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<div class="title">resolver.c</div> </div>
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<a href="resolver_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * resolver.c</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * resolver implementation</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * a Net::DNS like library for C</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * (c) NLnet Labs, 2004-2006</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * See the file LICENSE for the license</span>
<a name="l00011"></a>00011 <span class="comment"> */</span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="preprocessor">#include <<a class="code" href="ldns_2config_8h.html">ldns/config.h</a>></span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015 <span class="preprocessor">#include <<a class="code" href="ldns_8h.html" title="Including this file will include all ldns files, and define some lookup tables.">ldns/ldns.h</a>></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <strings.h></span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="comment">/* Access function for reading</span>
<a name="l00019"></a>00019 <span class="comment"> * and setting the different Resolver</span>
<a name="l00020"></a>00020 <span class="comment"> * options */</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="comment">/* read */</span>
<a name="l00023"></a>00023 uint16_t
<a name="l00024"></a><a class="code" href="resolver_8h.html#ae8062e9bb7436dc91717915686f28a60">00024</a> <a class="code" href="resolver_8c.html#ae8062e9bb7436dc91717915686f28a60" title="Get the port the resolver should use.">ldns_resolver_port</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00025"></a>00025 {
<a name="l00026"></a>00026 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#afccaf22be4b1854155cbdcbfb5e0a16b" title="Port to send queries to.">_port</a>;
<a name="l00027"></a>00027 }
<a name="l00028"></a>00028
<a name="l00029"></a>00029 uint16_t
<a name="l00030"></a><a class="code" href="resolver_8h.html#a9140fe1e1f05594c899fd9ecde074feb">00030</a> <a class="code" href="resolver_8c.html#a9140fe1e1f05594c899fd9ecde074feb" title="Get the resolver's udp size.">ldns_resolver_edns_udp_size</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a1d47401978d5a72395d76f1b044db8a0">_edns_udp_size</a>;
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034
<a name="l00035"></a>00035 uint8_t
<a name="l00036"></a><a class="code" href="resolver_8h.html#aa8ab6ca6295b9b2744e1e2a14fb95bca">00036</a> <a class="code" href="resolver_8c.html#aa8ab6ca6295b9b2744e1e2a14fb95bca" title="Get the number of retries.">ldns_resolver_retry</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#aec91802df41658e56c170c3cb7369e2a" title="Number of times to retry before giving up.">_retry</a>;
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040
<a name="l00041"></a>00041 uint8_t
<a name="l00042"></a><a class="code" href="resolver_8h.html#a7e3c2ea266cc050427622b54c641b6e2">00042</a> <a class="code" href="resolver_8c.html#a7e3c2ea266cc050427622b54c641b6e2" title="Get the retransmit interval.">ldns_resolver_retrans</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a13f2d480d95c6a46f39c4e98eb00a824" title="Time to wait before retrying.">_retrans</a>;
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keywordtype">bool</span>
<a name="l00048"></a><a class="code" href="resolver_8h.html#a9ecad2896b716863c0ae45fbfd0814d2">00048</a> <a class="code" href="resolver_8c.html#a9ecad2896b716863c0ae45fbfd0814d2" title="Get the truncation fallback status.">ldns_resolver_fallback</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a0102336d40174545a477685616081491" title="Use new fallback mechanism (try EDNS, then do TCP)">_fallback</a>;
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052
<a name="l00053"></a>00053 uint8_t
<a name="l00054"></a><a class="code" href="resolver_8h.html#aa32acefa4cdf90e11b26024b55416618">00054</a> <a class="code" href="resolver_8c.html#aa32acefa4cdf90e11b26024b55416618" title="Does the resolver use ip6 or ip4.">ldns_resolver_ip6</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a7ff72313144d94ea0de0eba4acdbf9a6" title="Whether to use ip6, 0->does not matter, 1 is IPv4, 2 is IPv6.">_ip6</a>;
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keywordtype">bool</span>
<a name="l00060"></a><a class="code" href="resolver_8h.html#a7ef4ddbf95ab7c456a9c1a7e66cebcfe">00060</a> <a class="code" href="resolver_8c.html#a7ef4ddbf95ab7c456a9c1a7e66cebcfe" title="Is the resolver set to recurse.">ldns_resolver_recursive</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a35e92dc4155e964e8326e0955d85054b" title="Wether or not to be recursive.">_recursive</a>;
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keywordtype">bool</span>
<a name="l00066"></a><a class="code" href="resolver_8h.html#a51023e38c9923909fc988d57471e831c">00066</a> <a class="code" href="resolver_8c.html#a51023e38c9923909fc988d57471e831c" title="Get the debug status of the resolver.">ldns_resolver_debug</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a3c68cedb431274a54a295c1f2875edc3" title="Print debug information.">_debug</a>;
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordtype">bool</span>
<a name="l00072"></a><a class="code" href="resolver_8h.html#a84066ca36e031be32527845a0d2c0533">00072</a> <a class="code" href="resolver_8c.html#a84066ca36e031be32527845a0d2c0533" title="Does the resolver apply search list.">ldns_resolver_dnsrch</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#abc7c256fade6cfd6970a6a02f98e5ca1" title="If true apply the search list.">_dnsrch</a>;
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordtype">bool</span>
<a name="l00078"></a><a class="code" href="resolver_8h.html#ab41d8f3a683763660862f89f985fcfe4">00078</a> <a class="code" href="resolver_8c.html#ab41d8f3a683763660862f89f985fcfe4" title="Does the resolver only try the first nameserver.">ldns_resolver_fail</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a5e831791d7568c7d0366cf8b2d17fce0" title="Only try the first nameserver, and return with an error directly if it fails.">_fail</a>;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keywordtype">bool</span>
<a name="l00084"></a><a class="code" href="resolver_8h.html#a8806f1c00f0e598b2aa1d971526ed483">00084</a> <a class="code" href="resolver_8c.html#a8806f1c00f0e598b2aa1d971526ed483" title="Does the resolver apply default domain name.">ldns_resolver_defnames</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#ab855a944c5e863790b7a9903d5edc845" title="If true append the default domain.">_defnames</a>;
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *
<a name="l00090"></a><a class="code" href="resolver_8h.html#a8f875737856dfe40228d8059e983d043">00090</a> <a class="code" href="resolver_8c.html#a8f875737856dfe40228d8059e983d043" title="What is the default dname to add to relative queries.">ldns_resolver_domain</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#af2dbac463bc0714b4d4e370b7b1b9164" title="Default domain to add to non fully qualified domain names.">_domain</a>;
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> **
<a name="l00096"></a><a class="code" href="resolver_8h.html#ab262cce3866ce9e7c86ac61249967ddd">00096</a> <a class="code" href="resolver_8c.html#ab262cce3866ce9e7c86ac61249967ddd" title="What is the searchlist as used by the resolver.">ldns_resolver_searchlist</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a607f87da599b3d6ae988f05899017376" title="Searchlist array, add the names in this array if a query cannot be found.">_searchlist</a>;
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> **
<a name="l00102"></a><a class="code" href="resolver_8h.html#ac8068f8b2fa8621abb1557c3b4d95688">00102</a> <a class="code" href="resolver_8c.html#ac8068f8b2fa8621abb1557c3b4d95688" title="Return the configured nameserver ip address.">ldns_resolver_nameservers</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00103"></a>00103 {
<a name="l00104"></a>00104 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a8988cc24d2a4bb3b7fa98394047a6524" title="Array of nameservers to query (IP addresses or dnames)">_nameservers</a>;
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keywordtype">size_t</span>
<a name="l00108"></a><a class="code" href="resolver_8h.html#a64e6087bcfc88459e34da80077bad7eb">00108</a> <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a3ed7421a6414b538e4449bb917972053" title="Number of nameservers in _nameservers.">_nameserver_count</a>;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordtype">bool</span>
<a name="l00114"></a><a class="code" href="resolver_8h.html#a1e3b8b2dbf07f5e03ac31842b829a63e">00114</a> <a class="code" href="resolver_8c.html#a1e3b8b2dbf07f5e03ac31842b829a63e" title="Does the resolver do DNSSEC.">ldns_resolver_dnssec</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#ad1472b9aef99f92dc3248faa1d022d65" title="Whether to do DNSSEC.">_dnssec</a>;
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="keywordtype">bool</span>
<a name="l00120"></a><a class="code" href="resolver_8h.html#a7eaa8535be020eaf95e37c993d09b9e4">00120</a> <a class="code" href="resolver_8c.html#a7eaa8535be020eaf95e37c993d09b9e4" title="Does the resolver set the CD bit.">ldns_resolver_dnssec_cd</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a8c2bcf378d73483848aceb7193d1b29e" title="Whether to set the CD bit on DNSSEC requests.">_dnssec_cd</a>;
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *
<a name="l00126"></a><a class="code" href="resolver_8h.html#a52d9b6a45cb3c74c79ed1e69e5c2cb93">00126</a> <a class="code" href="resolver_8c.html#a52d9b6a45cb3c74c79ed1e69e5c2cb93" title="Get the resolver's DNSSEC anchors.">ldns_resolver_dnssec_anchors</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00127"></a>00127 {
<a name="l00128"></a>00128 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a3bf985bb2de042bccdb48636431b750f" title="Optional trust anchors for complete DNSSEC validation.">_dnssec_anchors</a>;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="keywordtype">bool</span>
<a name="l00132"></a><a class="code" href="resolver_8h.html#abf06e97fcd5bbdd580f7c3515549f029">00132</a> <a class="code" href="resolver_8c.html#abf06e97fcd5bbdd580f7c3515549f029" title="Returns true if at least one of the provided keys is a trust anchor.">ldns_resolver_trusted_key</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> * keys, <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> * trusted_keys)
<a name="l00133"></a>00133 {
<a name="l00134"></a>00134 <span class="keywordtype">size_t</span> i;
<a name="l00135"></a>00135 <span class="keywordtype">bool</span> result = <span class="keyword">false</span>;
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> * trust_anchors;
<a name="l00138"></a>00138 <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> * cur_rr;
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordflow">if</span> (!r || !keys) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00141"></a>00141
<a name="l00142"></a>00142 trust_anchors = <a class="code" href="resolver_8c.html#a52d9b6a45cb3c74c79ed1e69e5c2cb93" title="Get the resolver's DNSSEC anchors.">ldns_resolver_dnssec_anchors</a>(r);
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keywordflow">if</span> (!trust_anchors) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="rr_8c.html#a7ac3192fe79ba66e47579bb2b267ce05" title="returns the number of rr's in an rr_list.">ldns_rr_list_rr_count</a>(keys); i++) {
<a name="l00147"></a>00147
<a name="l00148"></a>00148 cur_rr = <a class="code" href="rr_8c.html#a07b1ccea9f2694b8b88904c543e16783" title="returns a specific rr of an rrlist.">ldns_rr_list_rr</a>(keys, i);
<a name="l00149"></a>00149 <span class="keywordflow">if</span> (<a class="code" href="rr_8c.html#ad67f779c57afbab9c47445b1dc75cc34" title="returns true if the given rr is one of the rrs in the list, or if it is equal to one">ldns_rr_list_contains_rr</a>(trust_anchors, cur_rr)) {
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (trusted_keys) { <a class="code" href="rr_8c.html#a8bdc038678e7492ae3facf83283f8d04" title="pushes an rr to an rrlist.">ldns_rr_list_push_rr</a>(trusted_keys, cur_rr); }
<a name="l00151"></a>00151 result = <span class="keyword">true</span>;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keywordflow">return</span> result;
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157
<a name="l00158"></a>00158 <span class="keywordtype">bool</span>
<a name="l00159"></a><a class="code" href="resolver_8h.html#a85ab35cefb51fb9e921414b39f266f56">00159</a> <a class="code" href="resolver_8c.html#a85ab35cefb51fb9e921414b39f266f56" title="Does the resolver ignore the TC bit (truncated)">ldns_resolver_igntc</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#af882d08907b91dbe96c079362fed24be" title="Whether to ignore the tc bit.">_igntc</a>;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="keywordtype">bool</span>
<a name="l00165"></a><a class="code" href="resolver_8h.html#a45a83b6f43d816b98c176c23d7772e07">00165</a> <a class="code" href="resolver_8c.html#a45a83b6f43d816b98c176c23d7772e07" title="Does the resolver use tcp or udp.">ldns_resolver_usevc</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#aa7e4060186aefa90132b2c382f51e2d9" title="Whether to use tcp or udp (tcp if the value is true)">_usevc</a>;
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keywordtype">size_t</span> *
<a name="l00171"></a><a class="code" href="resolver_8h.html#a9d5f40f133fd13433603e15eea5a077b">00171</a> <a class="code" href="resolver_8c.html#a9d5f40f133fd13433603e15eea5a077b" title="Return the used round trip times for the nameservers.">ldns_resolver_rtt</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a9cbcb4abcd5d4dfcdd4e0589935f3ae3" title="Round trip time; 0 -> infinity.">_rtt</a>;
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="keywordtype">size_t</span>
<a name="l00177"></a><a class="code" href="resolver_8h.html#a85221d34a9aefa4c95829bd939eb204b">00177</a> <a class="code" href="resolver_8c.html#a85221d34a9aefa4c95829bd939eb204b" title="Return the used round trip time for a specific nameserver.">ldns_resolver_nameserver_rtt</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">size_t</span> pos)
<a name="l00178"></a>00178 {
<a name="l00179"></a>00179 <span class="keywordtype">size_t</span> *rtt;
<a name="l00180"></a>00180
<a name="l00181"></a>00181 assert(r != NULL);
<a name="l00182"></a>00182
<a name="l00183"></a>00183 rtt = <a class="code" href="resolver_8c.html#a9d5f40f133fd13433603e15eea5a077b" title="Return the used round trip times for the nameservers.">ldns_resolver_rtt</a>(r);
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keywordflow">if</span> (pos >= <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r)) {
<a name="l00186"></a>00186 <span class="comment">/* error ?*/</span>
<a name="l00187"></a>00187 <span class="keywordflow">return</span> 0;
<a name="l00188"></a>00188 } <span class="keywordflow">else</span> {
<a name="l00189"></a>00189 <span class="keywordflow">return</span> rtt[pos];
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="keyword">struct </span>timeval
<a name="l00195"></a><a class="code" href="resolver_8h.html#a9958f4244f667c71f069524eb0720f5c">00195</a> <a class="code" href="resolver_8c.html#a9958f4244f667c71f069524eb0720f5c" title="What is the timeout on socket connections.">ldns_resolver_timeout</a>(const <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197 <span class="keywordflow">return</span> r->_timeout;
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="keywordtype">char</span> *
<a name="l00201"></a><a class="code" href="resolver_8h.html#a262ac7450159c115060ec464a4a5af6e">00201</a> <a class="code" href="resolver_8c.html#a262ac7450159c115060ec464a4a5af6e" title="Return the tsig keyname as used by the nameserver.">ldns_resolver_tsig_keyname</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a11e2608784924b1f18d05ff7bc5ce44a" title="Name of the key to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keyname</a>;
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205
<a name="l00206"></a>00206 <span class="keywordtype">char</span> *
<a name="l00207"></a><a class="code" href="resolver_8h.html#a1fd4b31d628081e3d6dafdd389bfea0a">00207</a> <a class="code" href="resolver_8c.html#a1fd4b31d628081e3d6dafdd389bfea0a" title="Return the tsig algorithm as used by the nameserver.">ldns_resolver_tsig_algorithm</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#aad34f9f2bd2bf919420ac92704de18f5" title="TSIG signing algorithm.">_tsig_algorithm</a>;
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="keywordtype">char</span> *
<a name="l00213"></a><a class="code" href="resolver_8h.html#abc7e0d0e3960348f774164d34af3013b">00213</a> <a class="code" href="resolver_8c.html#abc7e0d0e3960348f774164d34af3013b" title="Return the tsig keydata as used by the nameserver.">ldns_resolver_tsig_keydata</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00214"></a>00214 {
<a name="l00215"></a>00215 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#a8c9bf412e013349f5842b46ac603cc08" title="Secret key data to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keydata</a>;
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217
<a name="l00218"></a>00218 <span class="keywordtype">bool</span>
<a name="l00219"></a><a class="code" href="resolver_8h.html#a96748f05895afe899f44aabbe839d9ea">00219</a> <a class="code" href="resolver_8c.html#a96748f05895afe899f44aabbe839d9ea" title="Does the resolver randomize the nameserver before usage.">ldns_resolver_random</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00220"></a>00220 {
<a name="l00221"></a>00221 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#ade31d1d3817229c5ef7db7da12d8f082" title="Randomly choose a nameserver.">_random</a>;
<a name="l00222"></a>00222 }
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <span class="keywordtype">size_t</span>
<a name="l00225"></a><a class="code" href="resolver_8h.html#a51df8a71741c7ab07f635b73b9112310">00225</a> <a class="code" href="resolver_8c.html#a51df8a71741c7ab07f635b73b9112310" title="Return the resolver's searchlist count.">ldns_resolver_searchlist_count</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 <span class="keywordflow">return</span> r-><a class="code" href="structldns__struct__resolver.html#abdd0277de87ad915a6cc1f6ce8b44532" title="Number of entries in the searchlist array.">_searchlist_count</a>;
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <span class="comment">/* write */</span>
<a name="l00231"></a>00231 <span class="keywordtype">void</span>
<a name="l00232"></a><a class="code" href="resolver_8h.html#a83bc6593a8d361ce79068331287747f5">00232</a> <a class="code" href="resolver_8c.html#a83bc6593a8d361ce79068331287747f5" title="Set the port the resolver should use.">ldns_resolver_set_port</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, uint16_t p)
<a name="l00233"></a>00233 {
<a name="l00234"></a>00234 r-><a class="code" href="structldns__struct__resolver.html#afccaf22be4b1854155cbdcbfb5e0a16b" title="Port to send queries to.">_port</a> = p;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *
<a name="l00238"></a><a class="code" href="resolver_8h.html#a3b473401565925e5043553521d3ec425">00238</a> <a class="code" href="resolver_8c.html#a3b473401565925e5043553521d3ec425" title="pop the last nameserver from the resolver.">ldns_resolver_pop_nameserver</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00239"></a>00239 {
<a name="l00240"></a>00240 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> **nameservers;
<a name="l00241"></a>00241 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *pop;
<a name="l00242"></a>00242 <span class="keywordtype">size_t</span> ns_count;
<a name="l00243"></a>00243 <span class="keywordtype">size_t</span> *rtt;
<a name="l00244"></a>00244
<a name="l00245"></a>00245 assert(r != NULL);
<a name="l00246"></a>00246
<a name="l00247"></a>00247 ns_count = <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r);
<a name="l00248"></a>00248 nameservers = <a class="code" href="resolver_8c.html#ac8068f8b2fa8621abb1557c3b4d95688" title="Return the configured nameserver ip address.">ldns_resolver_nameservers</a>(r);
<a name="l00249"></a>00249 rtt = <a class="code" href="resolver_8c.html#a9d5f40f133fd13433603e15eea5a077b" title="Return the used round trip times for the nameservers.">ldns_resolver_rtt</a>(r);
<a name="l00250"></a>00250 <span class="keywordflow">if</span> (ns_count == 0 || !nameservers) {
<a name="l00251"></a>00251 <span class="keywordflow">return</span> NULL;
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253
<a name="l00254"></a>00254 pop = nameservers[ns_count - 1];
<a name="l00255"></a>00255
<a name="l00256"></a>00256 nameservers = <a class="code" href="util_8h.html#aef91214266c90875fa06e4a47e734538">LDNS_XREALLOC</a>(nameservers, <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *, (ns_count - 1));
<a name="l00257"></a>00257 rtt = <a class="code" href="util_8h.html#aef91214266c90875fa06e4a47e734538">LDNS_XREALLOC</a>(rtt, <span class="keywordtype">size_t</span>, (ns_count - 1));
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="keywordflow">if</span>(nameservers)
<a name="l00260"></a>00260 <a class="code" href="resolver_8c.html#a848b39b6ee119054df7b78d2423ac238" title="Set the resolver's nameserver count directly by using an rdf list.">ldns_resolver_set_nameservers</a>(r, nameservers);
<a name="l00261"></a>00261 <span class="keywordflow">if</span>(rtt)
<a name="l00262"></a>00262 <a class="code" href="resolver_8c.html#a6d34b721e72bc74efd601968005ec4de" title="Set round trip time for all nameservers.">ldns_resolver_set_rtt</a>(r, rtt);
<a name="l00263"></a>00263 <span class="comment">/* decr the count */</span>
<a name="l00264"></a>00264 <a class="code" href="resolver_8c.html#a6e32127d01c27bb5fffc30413671f4d5" title="Decrement the resolver's nameserver count.">ldns_resolver_dec_nameserver_count</a>(r);
<a name="l00265"></a>00265 <span class="keywordflow">return</span> pop;
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267
<a name="l00268"></a>00268 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l00269"></a><a class="code" href="resolver_8h.html#acbb25f585b7aa346d5be99dd19c7739b">00269</a> <a class="code" href="resolver_8c.html#acbb25f585b7aa346d5be99dd19c7739b" title="Push a new nameserver to the resolver.">ldns_resolver_push_nameserver</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *n)
<a name="l00270"></a>00270 {
<a name="l00271"></a>00271 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> **nameservers;
<a name="l00272"></a>00272 <span class="keywordtype">size_t</span> ns_count;
<a name="l00273"></a>00273 <span class="keywordtype">size_t</span> *rtt;
<a name="l00274"></a>00274
<a name="l00275"></a>00275 <span class="keywordflow">if</span> (<a class="code" href="rdata_8c.html#a240f7f36c145f6189df4f14ca5bc3a82" title="returns the type of the rdf.">ldns_rdf_get_type</a>(n) != <a class="code" href="rdata_8h.html#aaa92376014f0abbf0110ca6efd587bb9a8ab64a730a4d6b7a717e6a3dbdc6123d" title="A record.">LDNS_RDF_TYPE_A</a> &&
<a name="l00276"></a>00276 <a class="code" href="rdata_8c.html#a240f7f36c145f6189df4f14ca5bc3a82" title="returns the type of the rdf.">ldns_rdf_get_type</a>(n) != <a class="code" href="rdata_8h.html#aaa92376014f0abbf0110ca6efd587bb9a5959b86d3aacff828167e6dca5a935fd" title="AAAA record.">LDNS_RDF_TYPE_AAAA</a>) {
<a name="l00277"></a>00277 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa804a996d5f13cda0806bf1d54114d2ca">LDNS_STATUS_ERR</a>;
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279
<a name="l00280"></a>00280 ns_count = <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r);
<a name="l00281"></a>00281 nameservers = <a class="code" href="resolver_8c.html#ac8068f8b2fa8621abb1557c3b4d95688" title="Return the configured nameserver ip address.">ldns_resolver_nameservers</a>(r);
<a name="l00282"></a>00282 rtt = <a class="code" href="resolver_8c.html#a9d5f40f133fd13433603e15eea5a077b" title="Return the used round trip times for the nameservers.">ldns_resolver_rtt</a>(r);
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="comment">/* make room for the next one */</span>
<a name="l00285"></a>00285 <span class="keywordflow">if</span> (ns_count == 0) {
<a name="l00286"></a>00286 nameservers = <a class="code" href="util_8h.html#aaad6949daea3c6cefd01d19300f6e21a">LDNS_XMALLOC</a>(<a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *, 1);
<a name="l00287"></a>00287 } <span class="keywordflow">else</span> {
<a name="l00288"></a>00288 nameservers = <a class="code" href="util_8h.html#aef91214266c90875fa06e4a47e734538">LDNS_XREALLOC</a>(nameservers, <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *, (ns_count + 1));
<a name="l00289"></a>00289 }
<a name="l00290"></a>00290 <span class="keywordflow">if</span>(!nameservers)
<a name="l00291"></a>00291 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa81e80e66a14551db514726fa49290498">LDNS_STATUS_MEM_ERR</a>;
<a name="l00292"></a>00292
<a name="l00293"></a>00293 <span class="comment">/* set the new value in the resolver */</span>
<a name="l00294"></a>00294 <a class="code" href="resolver_8c.html#a848b39b6ee119054df7b78d2423ac238" title="Set the resolver's nameserver count directly by using an rdf list.">ldns_resolver_set_nameservers</a>(r, nameservers);
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <span class="comment">/* don't forget the rtt */</span>
<a name="l00297"></a>00297 <span class="keywordflow">if</span> (ns_count == 0) {
<a name="l00298"></a>00298 rtt = <a class="code" href="util_8h.html#aaad6949daea3c6cefd01d19300f6e21a">LDNS_XMALLOC</a>(<span class="keywordtype">size_t</span>, 1);
<a name="l00299"></a>00299 } <span class="keywordflow">else</span> {
<a name="l00300"></a>00300 rtt = <a class="code" href="util_8h.html#aef91214266c90875fa06e4a47e734538">LDNS_XREALLOC</a>(rtt, <span class="keywordtype">size_t</span>, (ns_count + 1));
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302 <span class="keywordflow">if</span>(!rtt)
<a name="l00303"></a>00303 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa81e80e66a14551db514726fa49290498">LDNS_STATUS_MEM_ERR</a>;
<a name="l00304"></a>00304
<a name="l00305"></a>00305 <span class="comment">/* slide n in its slot. */</span>
<a name="l00306"></a>00306 <span class="comment">/* we clone it here, because then we can free the original</span>
<a name="l00307"></a>00307 <span class="comment"> * rr's where it stood */</span>
<a name="l00308"></a>00308 nameservers[ns_count] = <a class="code" href="rdata_8c.html#af9a39f2f8b749efa6a20ba91cb696961" title="clones a rdf structure.">ldns_rdf_clone</a>(n);
<a name="l00309"></a>00309 rtt[ns_count] = <a class="code" href="resolver_8h.html#a20ded286eb1baaae18ba5f090180635a">LDNS_RESOLV_RTT_MIN</a>;
<a name="l00310"></a>00310 <a class="code" href="resolver_8c.html#aba5fc671b001783162407e2cdf0a334e" title="Incremental the resolver's nameserver count.">ldns_resolver_incr_nameserver_count</a>(r);
<a name="l00311"></a>00311 <a class="code" href="resolver_8c.html#a6d34b721e72bc74efd601968005ec4de" title="Set round trip time for all nameservers.">ldns_resolver_set_rtt</a>(r, rtt);
<a name="l00312"></a>00312 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>;
<a name="l00313"></a>00313 }
<a name="l00314"></a>00314
<a name="l00315"></a>00315 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l00316"></a><a class="code" href="resolver_8h.html#a35a459150e08d44f0e98fb8230247222">00316</a> <a class="code" href="resolver_8c.html#a35a459150e08d44f0e98fb8230247222" title="Push a new nameserver to the resolver.">ldns_resolver_push_nameserver_rr</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *rr)
<a name="l00317"></a>00317 {
<a name="l00318"></a>00318 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *address;
<a name="l00319"></a>00319 <span class="keywordflow">if</span> ((!rr) || (<a class="code" href="rr_8c.html#a849c616b8e8d87b8c047a8b41be21228" title="returns the type of the rr.">ldns_rr_get_type</a>(rr) != <a class="code" href="rr_8h.html#a640100112b0009efe3d61bbf799b33daa1c46026dd2245d1e8b8dd17f972f34c2" title="a host address">LDNS_RR_TYPE_A</a> &&
<a name="l00320"></a>00320 <a class="code" href="rr_8c.html#a849c616b8e8d87b8c047a8b41be21228" title="returns the type of the rr.">ldns_rr_get_type</a>(rr) != <a class="code" href="rr_8h.html#a640100112b0009efe3d61bbf799b33daa98b91f4b456322f75c67a1ecac18c7fe" title="ipv6 address">LDNS_RR_TYPE_AAAA</a>)) {
<a name="l00321"></a>00321 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa804a996d5f13cda0806bf1d54114d2ca">LDNS_STATUS_ERR</a>;
<a name="l00322"></a>00322 }
<a name="l00323"></a>00323 address = <a class="code" href="rr_8c.html#aed836e7b90f7c11993d92a4569d7e29b" title="returns the rdata field member counter.">ldns_rr_rdf</a>(rr, 0); <span class="comment">/* extract the ip number */</span>
<a name="l00324"></a>00324 <span class="keywordflow">if</span> (address) {
<a name="l00325"></a>00325 <span class="keywordflow">return</span> <a class="code" href="resolver_8c.html#acbb25f585b7aa346d5be99dd19c7739b" title="Push a new nameserver to the resolver.">ldns_resolver_push_nameserver</a>(r, address);
<a name="l00326"></a>00326 } <span class="keywordflow">else</span> {
<a name="l00327"></a>00327 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa804a996d5f13cda0806bf1d54114d2ca">LDNS_STATUS_ERR</a>;
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l00332"></a><a class="code" href="resolver_8h.html#a0287767eb20fe446a58620891949479a">00332</a> <a class="code" href="resolver_8c.html#a0287767eb20fe446a58620891949479a" title="Push a new nameserver rr_list to the resolver.">ldns_resolver_push_nameserver_rr_list</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *rrlist)
<a name="l00333"></a>00333 {
<a name="l00334"></a>00334 <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *rr;
<a name="l00335"></a>00335 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a> stat;
<a name="l00336"></a>00336 <span class="keywordtype">size_t</span> i;
<a name="l00337"></a>00337
<a name="l00338"></a>00338 stat = <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>;
<a name="l00339"></a>00339 <span class="keywordflow">if</span> (rrlist) {
<a name="l00340"></a>00340 <span class="keywordflow">for</span>(i = 0; i < <a class="code" href="rr_8c.html#a7ac3192fe79ba66e47579bb2b267ce05" title="returns the number of rr's in an rr_list.">ldns_rr_list_rr_count</a>(rrlist); i++) {
<a name="l00341"></a>00341 rr = <a class="code" href="rr_8c.html#a07b1ccea9f2694b8b88904c543e16783" title="returns a specific rr of an rrlist.">ldns_rr_list_rr</a>(rrlist, i);
<a name="l00342"></a>00342 <span class="keywordflow">if</span> (<a class="code" href="resolver_8c.html#a35a459150e08d44f0e98fb8230247222" title="Push a new nameserver to the resolver.">ldns_resolver_push_nameserver_rr</a>(r, rr) != <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>) {
<a name="l00343"></a>00343 stat = <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa804a996d5f13cda0806bf1d54114d2ca">LDNS_STATUS_ERR</a>;
<a name="l00344"></a>00344 <span class="keywordflow">break</span>;
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347 <span class="keywordflow">return</span> stat;
<a name="l00348"></a>00348 } <span class="keywordflow">else</span> {
<a name="l00349"></a>00349 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa804a996d5f13cda0806bf1d54114d2ca">LDNS_STATUS_ERR</a>;
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352
<a name="l00353"></a>00353 <span class="keywordtype">void</span>
<a name="l00354"></a><a class="code" href="resolver_8h.html#a00224ddf7980d40143414afd094d2ecc">00354</a> <a class="code" href="resolver_8c.html#a00224ddf7980d40143414afd094d2ecc" title="Set maximum udp size.">ldns_resolver_set_edns_udp_size</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, uint16_t s)
<a name="l00355"></a>00355 {
<a name="l00356"></a>00356 r-><a class="code" href="structldns__struct__resolver.html#a1d47401978d5a72395d76f1b044db8a0">_edns_udp_size</a> = s;
<a name="l00357"></a>00357 }
<a name="l00358"></a>00358
<a name="l00359"></a>00359 <span class="keywordtype">void</span>
<a name="l00360"></a><a class="code" href="resolver_8h.html#ab3bade7d0f57ba1445695530425ae457">00360</a> <a class="code" href="resolver_8c.html#a0550c0e4afd8e8f6bbbbb771a45df12a" title="Set the resolver recursion.">ldns_resolver_set_recursive</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">bool</span> re)
<a name="l00361"></a>00361 {
<a name="l00362"></a>00362 r-><a class="code" href="structldns__struct__resolver.html#a35e92dc4155e964e8326e0955d85054b" title="Wether or not to be recursive.">_recursive</a> = re;
<a name="l00363"></a>00363 }
<a name="l00364"></a>00364
<a name="l00365"></a>00365 <span class="keywordtype">void</span>
<a name="l00366"></a><a class="code" href="resolver_8h.html#ace7f3a7688381597d3b09aa67f865c8d">00366</a> <a class="code" href="resolver_8c.html#a5a7c19a45861ccd245a975b537ed6321" title="Whether the resolver uses DNSSEC.">ldns_resolver_set_dnssec</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">bool</span> d)
<a name="l00367"></a>00367 {
<a name="l00368"></a>00368 r-><a class="code" href="structldns__struct__resolver.html#ad1472b9aef99f92dc3248faa1d022d65" title="Whether to do DNSSEC.">_dnssec</a> = d;
<a name="l00369"></a>00369 }
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="keywordtype">void</span>
<a name="l00372"></a><a class="code" href="resolver_8h.html#ab4c6397b59d01b334a9f8555d5dac05f">00372</a> <a class="code" href="resolver_8c.html#a938c3dd5a34d5a876db5b2dfee10040e" title="Whether the resolver uses the checking disable bit.">ldns_resolver_set_dnssec_cd</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">bool</span> d)
<a name="l00373"></a>00373 {
<a name="l00374"></a>00374 r-><a class="code" href="structldns__struct__resolver.html#a8c2bcf378d73483848aceb7193d1b29e" title="Whether to set the CD bit on DNSSEC requests.">_dnssec_cd</a> = d;
<a name="l00375"></a>00375 }
<a name="l00376"></a>00376
<a name="l00377"></a>00377 <span class="keywordtype">void</span>
<a name="l00378"></a><a class="code" href="resolver_8h.html#a290a1a297d15e3e3f7e4d650c40c3e77">00378</a> <a class="code" href="resolver_8c.html#a290a1a297d15e3e3f7e4d650c40c3e77" title="Set the resolver's DNSSEC anchor list directly.">ldns_resolver_set_dnssec_anchors</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> * l)
<a name="l00379"></a>00379 {
<a name="l00380"></a>00380 r-><a class="code" href="structldns__struct__resolver.html#a3bf985bb2de042bccdb48636431b750f" title="Optional trust anchors for complete DNSSEC validation.">_dnssec_anchors</a> = l;
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382
<a name="l00383"></a>00383 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l00384"></a><a class="code" href="resolver_8h.html#aa7ab0a9480b9c92e33ad4c13fea7c5f2">00384</a> <a class="code" href="resolver_8c.html#aa7ab0a9480b9c92e33ad4c13fea7c5f2" title="Push a new trust anchor to the resolver.">ldns_resolver_push_dnssec_anchor</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *rr)
<a name="l00385"></a>00385 {
<a name="l00386"></a>00386 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> * trust_anchors;
<a name="l00387"></a>00387
<a name="l00388"></a>00388 <span class="keywordflow">if</span> ((!rr) || (<a class="code" href="rr_8c.html#a849c616b8e8d87b8c047a8b41be21228" title="returns the type of the rr.">ldns_rr_get_type</a>(rr) != <a class="code" href="rr_8h.html#a640100112b0009efe3d61bbf799b33daa316efb0ac15f31b6891fa6fba833eae8">LDNS_RR_TYPE_DNSKEY</a>)) {
<a name="l00389"></a>00389 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa804a996d5f13cda0806bf1d54114d2ca">LDNS_STATUS_ERR</a>;
<a name="l00390"></a>00390 }
<a name="l00391"></a>00391
<a name="l00392"></a>00392 <span class="keywordflow">if</span> (!(trust_anchors = <a class="code" href="resolver_8c.html#a52d9b6a45cb3c74c79ed1e69e5c2cb93" title="Get the resolver's DNSSEC anchors.">ldns_resolver_dnssec_anchors</a>(r))) { <span class="comment">/* Initialize */</span>
<a name="l00393"></a>00393 trust_anchors = <a class="code" href="rr_8c.html#aa7405c3451df02516f62f6197ff06268" title="creates a new rr_list structure.">ldns_rr_list_new</a>();
<a name="l00394"></a>00394 <a class="code" href="resolver_8c.html#a290a1a297d15e3e3f7e4d650c40c3e77" title="Set the resolver's DNSSEC anchor list directly.">ldns_resolver_set_dnssec_anchors</a>(r, trust_anchors);
<a name="l00395"></a>00395 }
<a name="l00396"></a>00396
<a name="l00397"></a>00397 <span class="keywordflow">return</span> (<a class="code" href="rr_8c.html#a8bdc038678e7492ae3facf83283f8d04" title="pushes an rr to an rrlist.">ldns_rr_list_push_rr</a>(trust_anchors, <a class="code" href="rr_8c.html#adcb1e754775e6f7bf64dc2ac860671df" title="clones a rr and all its data">ldns_rr_clone</a>(rr))) ? <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a> : <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa804a996d5f13cda0806bf1d54114d2ca">LDNS_STATUS_ERR</a>;
<a name="l00398"></a>00398 }
<a name="l00399"></a>00399
<a name="l00400"></a>00400 <span class="keywordtype">void</span>
<a name="l00401"></a><a class="code" href="resolver_8h.html#a194a5f28e5a7c08ed504fb427e057b89">00401</a> <a class="code" href="resolver_8c.html#aaec8f1ae3ad36cba292b2afbc6b6e068" title="Whether or not to ignore the TC bit.">ldns_resolver_set_igntc</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">bool</span> i)
<a name="l00402"></a>00402 {
<a name="l00403"></a>00403 r-><a class="code" href="structldns__struct__resolver.html#af882d08907b91dbe96c079362fed24be" title="Whether to ignore the tc bit.">_igntc</a> = i;
<a name="l00404"></a>00404 }
<a name="l00405"></a>00405
<a name="l00406"></a>00406 <span class="keywordtype">void</span>
<a name="l00407"></a><a class="code" href="resolver_8h.html#a5977ac10c370da36a62e04a57dabbc1e">00407</a> <a class="code" href="resolver_8c.html#a3a1711ef15c70cbd37dec56dd1421cc6" title="Whether the resolver uses a virtual circuit (TCP)">ldns_resolver_set_usevc</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">bool</span> vc)
<a name="l00408"></a>00408 {
<a name="l00409"></a>00409 r-><a class="code" href="structldns__struct__resolver.html#aa7e4060186aefa90132b2c382f51e2d9" title="Whether to use tcp or udp (tcp if the value is true)">_usevc</a> = vc;
<a name="l00410"></a>00410 }
<a name="l00411"></a>00411
<a name="l00412"></a>00412 <span class="keywordtype">void</span>
<a name="l00413"></a><a class="code" href="resolver_8h.html#a35b670b8fc9a110741f8825572c089a8">00413</a> <a class="code" href="resolver_8c.html#a6f3e703af20487f6f6e2c5e50de67195" title="Set the resolver debugging.">ldns_resolver_set_debug</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">bool</span> d)
<a name="l00414"></a>00414 {
<a name="l00415"></a>00415 r-><a class="code" href="structldns__struct__resolver.html#a3c68cedb431274a54a295c1f2875edc3" title="Print debug information.">_debug</a> = d;
<a name="l00416"></a>00416 }
<a name="l00417"></a>00417
<a name="l00418"></a>00418 <span class="keywordtype">void</span>
<a name="l00419"></a><a class="code" href="resolver_8h.html#a5e8882a711d5b4407797d5129e44aaf7">00419</a> <a class="code" href="resolver_8c.html#aac584cb23deb280a9e21c53a39f01ce4" title="Whether the resolver uses ip6.">ldns_resolver_set_ip6</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, uint8_t ip6)
<a name="l00420"></a>00420 {
<a name="l00421"></a>00421 r-><a class="code" href="structldns__struct__resolver.html#a7ff72313144d94ea0de0eba4acdbf9a6" title="Whether to use ip6, 0->does not matter, 1 is IPv4, 2 is IPv6.">_ip6</a> = ip6;
<a name="l00422"></a>00422 }
<a name="l00423"></a>00423
<a name="l00424"></a>00424 <span class="keywordtype">void</span>
<a name="l00425"></a><a class="code" href="resolver_8h.html#afabe49d35655f5e06fa352fd5404d517">00425</a> <a class="code" href="resolver_8c.html#aebdef23a4663c57086b40f68c64c2390" title="Whether or not to fail after one failed query.">ldns_resolver_set_fail</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">bool</span> f)
<a name="l00426"></a>00426 {
<a name="l00427"></a>00427 r-><a class="code" href="structldns__struct__resolver.html#a5e831791d7568c7d0366cf8b2d17fce0" title="Only try the first nameserver, and return with an error directly if it fails.">_fail</a> =f;
<a name="l00428"></a>00428 }
<a name="l00429"></a>00429
<a name="l00430"></a>00430 <span class="keywordtype">void</span>
<a name="l00431"></a><a class="code" href="resolver_8c.html#a004e762e1cc81fbe21053c5af825d28a">00431</a> <a class="code" href="resolver_8c.html#a004e762e1cc81fbe21053c5af825d28a">ldns_resolver_set_searchlist_count</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">size_t</span> c)
<a name="l00432"></a>00432 {
<a name="l00433"></a>00433 r-><a class="code" href="structldns__struct__resolver.html#abdd0277de87ad915a6cc1f6ce8b44532" title="Number of entries in the searchlist array.">_searchlist_count</a> = c;
<a name="l00434"></a>00434 }
<a name="l00435"></a>00435
<a name="l00436"></a>00436 <span class="keywordtype">void</span>
<a name="l00437"></a><a class="code" href="resolver_8h.html#a94a05eca2acbab571688f0231176b5cb">00437</a> <a class="code" href="resolver_8c.html#a94a05eca2acbab571688f0231176b5cb" title="Set the resolver's nameserver count directly.">ldns_resolver_set_nameserver_count</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">size_t</span> c)
<a name="l00438"></a>00438 {
<a name="l00439"></a>00439 r-><a class="code" href="structldns__struct__resolver.html#a3ed7421a6414b538e4449bb917972053" title="Number of nameservers in _nameservers.">_nameserver_count</a> = c;
<a name="l00440"></a>00440 }
<a name="l00441"></a>00441
<a name="l00442"></a>00442 <span class="keywordtype">void</span>
<a name="l00443"></a><a class="code" href="resolver_8h.html#a8dde997d717017bcd8ee567e58ffc90b">00443</a> <a class="code" href="resolver_8c.html#a0c36cf058a41c80404ef2c8209d3be18" title="Whether the resolver uses the searchlist.">ldns_resolver_set_dnsrch</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">bool</span> d)
<a name="l00444"></a>00444 {
<a name="l00445"></a>00445 r-><a class="code" href="structldns__struct__resolver.html#abc7c256fade6cfd6970a6a02f98e5ca1" title="If true apply the search list.">_dnsrch</a> = d;
<a name="l00446"></a>00446 }
<a name="l00447"></a>00447
<a name="l00448"></a>00448 <span class="keywordtype">void</span>
<a name="l00449"></a><a class="code" href="resolver_8h.html#a263087beddc5ed72a47fe1ebb2716ca8">00449</a> <a class="code" href="resolver_8c.html#a69c1e77951203695f7fdf9f90a562f56" title="Set the resolver retry interval (in seconds)">ldns_resolver_set_retry</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, uint8_t retry)
<a name="l00450"></a>00450 {
<a name="l00451"></a>00451 r-><a class="code" href="structldns__struct__resolver.html#aec91802df41658e56c170c3cb7369e2a" title="Number of times to retry before giving up.">_retry</a> = retry;
<a name="l00452"></a>00452 }
<a name="l00453"></a>00453
<a name="l00454"></a>00454 <span class="keywordtype">void</span>
<a name="l00455"></a><a class="code" href="resolver_8h.html#a003820515d06126f875a3a45d89227c1">00455</a> <a class="code" href="resolver_8c.html#ad79d095f1d74c8708f70011ff9500cfa" title="Set the resolver retrans timeout (in seconds)">ldns_resolver_set_retrans</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, uint8_t retrans)
<a name="l00456"></a>00456 {
<a name="l00457"></a>00457 r-><a class="code" href="structldns__struct__resolver.html#a13f2d480d95c6a46f39c4e98eb00a824" title="Time to wait before retrying.">_retrans</a> = retrans;
<a name="l00458"></a>00458 }
<a name="l00459"></a>00459
<a name="l00460"></a>00460 <span class="keywordtype">void</span>
<a name="l00461"></a><a class="code" href="resolver_8h.html#acfd52b914c707576cb4506838e99e07d">00461</a> <a class="code" href="resolver_8c.html#acfd52b914c707576cb4506838e99e07d" title="Set whether the resolvers truncation fallback mechanism is used when ldns_resolver_query() is called...">ldns_resolver_set_fallback</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">bool</span> fallback)
<a name="l00462"></a>00462 {
<a name="l00463"></a>00463 r-><a class="code" href="structldns__struct__resolver.html#a0102336d40174545a477685616081491" title="Use new fallback mechanism (try EDNS, then do TCP)">_fallback</a> = fallback;
<a name="l00464"></a>00464 }
<a name="l00465"></a>00465
<a name="l00466"></a>00466 <span class="keywordtype">void</span>
<a name="l00467"></a><a class="code" href="resolver_8h.html#aa5e89e0b7c7470f945c320a836b0f47f">00467</a> <a class="code" href="resolver_8c.html#a848b39b6ee119054df7b78d2423ac238" title="Set the resolver's nameserver count directly by using an rdf list.">ldns_resolver_set_nameservers</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> **n)
<a name="l00468"></a>00468 {
<a name="l00469"></a>00469 r-><a class="code" href="structldns__struct__resolver.html#a8988cc24d2a4bb3b7fa98394047a6524" title="Array of nameservers to query (IP addresses or dnames)">_nameservers</a> = n;
<a name="l00470"></a>00470 }
<a name="l00471"></a>00471
<a name="l00472"></a>00472 <span class="keywordtype">void</span>
<a name="l00473"></a><a class="code" href="resolver_8h.html#ac65e4d8d139a560e84f1f2b8c1556dcb">00473</a> <a class="code" href="resolver_8c.html#abac86413011917ede28be02dfec0e21e" title="Whether the resolver uses the name set with _set_domain.">ldns_resolver_set_defnames</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">bool</span> d)
<a name="l00474"></a>00474 {
<a name="l00475"></a>00475 r-><a class="code" href="structldns__struct__resolver.html#ab855a944c5e863790b7a9903d5edc845" title="If true append the default domain.">_defnames</a> = d;
<a name="l00476"></a>00476 }
<a name="l00477"></a>00477
<a name="l00478"></a>00478 <span class="keywordtype">void</span>
<a name="l00479"></a><a class="code" href="resolver_8h.html#a6d34b721e72bc74efd601968005ec4de">00479</a> <a class="code" href="resolver_8c.html#a6d34b721e72bc74efd601968005ec4de" title="Set round trip time for all nameservers.">ldns_resolver_set_rtt</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">size_t</span> *rtt)
<a name="l00480"></a>00480 {
<a name="l00481"></a>00481 r-><a class="code" href="structldns__struct__resolver.html#a9cbcb4abcd5d4dfcdd4e0589935f3ae3" title="Round trip time; 0 -> infinity.">_rtt</a> = rtt;
<a name="l00482"></a>00482 }
<a name="l00483"></a>00483
<a name="l00484"></a>00484 <span class="keywordtype">void</span>
<a name="l00485"></a><a class="code" href="resolver_8h.html#a3c5903d145c7e078f5688294cce92b1d">00485</a> <a class="code" href="resolver_8c.html#a3c5903d145c7e078f5688294cce92b1d" title="Set round trip time for a specific nameserver.">ldns_resolver_set_nameserver_rtt</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">size_t</span> pos, <span class="keywordtype">size_t</span> value)
<a name="l00486"></a>00486 {
<a name="l00487"></a>00487 <span class="keywordtype">size_t</span> *rtt;
<a name="l00488"></a>00488
<a name="l00489"></a>00489 assert(r != NULL);
<a name="l00490"></a>00490
<a name="l00491"></a>00491 rtt = <a class="code" href="resolver_8c.html#a9d5f40f133fd13433603e15eea5a077b" title="Return the used round trip times for the nameservers.">ldns_resolver_rtt</a>(r);
<a name="l00492"></a>00492
<a name="l00493"></a>00493 <span class="keywordflow">if</span> (pos >= <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r)) {
<a name="l00494"></a>00494 <span class="comment">/* error ?*/</span>
<a name="l00495"></a>00495 } <span class="keywordflow">else</span> {
<a name="l00496"></a>00496 rtt[pos] = value;
<a name="l00497"></a>00497 }
<a name="l00498"></a>00498
<a name="l00499"></a>00499 }
<a name="l00500"></a>00500
<a name="l00501"></a>00501 <span class="keywordtype">void</span>
<a name="l00502"></a><a class="code" href="resolver_8h.html#aba5fc671b001783162407e2cdf0a334e">00502</a> <a class="code" href="resolver_8c.html#aba5fc671b001783162407e2cdf0a334e" title="Incremental the resolver's nameserver count.">ldns_resolver_incr_nameserver_count</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00503"></a>00503 {
<a name="l00504"></a>00504 <span class="keywordtype">size_t</span> c;
<a name="l00505"></a>00505
<a name="l00506"></a>00506 c = <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r);
<a name="l00507"></a>00507 <a class="code" href="resolver_8c.html#a94a05eca2acbab571688f0231176b5cb" title="Set the resolver's nameserver count directly.">ldns_resolver_set_nameserver_count</a>(r, ++c);
<a name="l00508"></a>00508 }
<a name="l00509"></a>00509
<a name="l00510"></a>00510 <span class="keywordtype">void</span>
<a name="l00511"></a><a class="code" href="resolver_8h.html#a6e32127d01c27bb5fffc30413671f4d5">00511</a> <a class="code" href="resolver_8c.html#a6e32127d01c27bb5fffc30413671f4d5" title="Decrement the resolver's nameserver count.">ldns_resolver_dec_nameserver_count</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l00512"></a>00512 {
<a name="l00513"></a>00513 <span class="keywordtype">size_t</span> c;
<a name="l00514"></a>00514
<a name="l00515"></a>00515 c = <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r);
<a name="l00516"></a>00516 <span class="keywordflow">if</span> (c == 0) {
<a name="l00517"></a>00517 <span class="keywordflow">return</span>;
<a name="l00518"></a>00518 } <span class="keywordflow">else</span> {
<a name="l00519"></a>00519 <a class="code" href="resolver_8c.html#a94a05eca2acbab571688f0231176b5cb" title="Set the resolver's nameserver count directly.">ldns_resolver_set_nameserver_count</a>(r, --c);
<a name="l00520"></a>00520 }
<a name="l00521"></a>00521 }
<a name="l00522"></a>00522
<a name="l00523"></a>00523 <span class="keywordtype">void</span>
<a name="l00524"></a><a class="code" href="resolver_8h.html#ac1b22c92a068a49e65d8c05467e3eb8d">00524</a> <a class="code" href="resolver_8c.html#a96199ab6749992d3abcdaaeaed1d1f04" title="Set the resolver's default domain.">ldns_resolver_set_domain</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *d)
<a name="l00525"></a>00525 {
<a name="l00526"></a>00526 r-><a class="code" href="structldns__struct__resolver.html#af2dbac463bc0714b4d4e370b7b1b9164" title="Default domain to add to non fully qualified domain names.">_domain</a> = d;
<a name="l00527"></a>00527 }
<a name="l00528"></a>00528
<a name="l00529"></a>00529 <span class="keywordtype">void</span>
<a name="l00530"></a><a class="code" href="resolver_8h.html#a1d6f7c2f38cc7dbbd96ddf0444335129">00530</a> <a class="code" href="resolver_8c.html#a1d6f7c2f38cc7dbbd96ddf0444335129" title="Set the resolver's socket time out when talking to remote hosts.">ldns_resolver_set_timeout</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keyword">struct</span> timeval timeout)
<a name="l00531"></a>00531 {
<a name="l00532"></a>00532 r-><a class="code" href="structldns__struct__resolver.html#ac581ff8002cfac8f2a5ea8dfba258853" title="Timeout for socket connections.">_timeout</a>.tv_sec = timeout.tv_sec;
<a name="l00533"></a>00533 r-><a class="code" href="structldns__struct__resolver.html#ac581ff8002cfac8f2a5ea8dfba258853" title="Timeout for socket connections.">_timeout</a>.tv_usec = timeout.tv_usec;
<a name="l00534"></a>00534 }
<a name="l00535"></a>00535
<a name="l00536"></a>00536 <span class="keywordtype">void</span>
<a name="l00537"></a><a class="code" href="resolver_8h.html#af4063e92789839e5388fe9367732aa90">00537</a> <a class="code" href="resolver_8c.html#a4d1bd59478260a3793fe27481f01775a" title="Push a new rd to the resolver's searchlist.">ldns_resolver_push_searchlist</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *d)
<a name="l00538"></a>00538 {
<a name="l00539"></a>00539 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> **searchlist;
<a name="l00540"></a>00540 <span class="keywordtype">size_t</span> list_count;
<a name="l00541"></a>00541
<a name="l00542"></a>00542 <span class="keywordflow">if</span> (<a class="code" href="rdata_8c.html#a240f7f36c145f6189df4f14ca5bc3a82" title="returns the type of the rdf.">ldns_rdf_get_type</a>(d) != <a class="code" href="rdata_8h.html#aaa92376014f0abbf0110ca6efd587bb9a72cb73467bcbfbb41168e2a2b4a8283a" title="domain name">LDNS_RDF_TYPE_DNAME</a>) {
<a name="l00543"></a>00543 <span class="keywordflow">return</span>;
<a name="l00544"></a>00544 }
<a name="l00545"></a>00545
<a name="l00546"></a>00546 list_count = <a class="code" href="resolver_8c.html#a51df8a71741c7ab07f635b73b9112310" title="Return the resolver's searchlist count.">ldns_resolver_searchlist_count</a>(r);
<a name="l00547"></a>00547 searchlist = <a class="code" href="resolver_8c.html#ab262cce3866ce9e7c86ac61249967ddd" title="What is the searchlist as used by the resolver.">ldns_resolver_searchlist</a>(r);
<a name="l00548"></a>00548
<a name="l00549"></a>00549 searchlist = <a class="code" href="util_8h.html#aef91214266c90875fa06e4a47e734538">LDNS_XREALLOC</a>(searchlist, <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *, (list_count + 1));
<a name="l00550"></a>00550 <span class="keywordflow">if</span> (searchlist) {
<a name="l00551"></a>00551 r-><a class="code" href="structldns__struct__resolver.html#a607f87da599b3d6ae988f05899017376" title="Searchlist array, add the names in this array if a query cannot be found.">_searchlist</a> = searchlist;
<a name="l00552"></a>00552
<a name="l00553"></a>00553 searchlist[list_count] = <a class="code" href="rdata_8c.html#af9a39f2f8b749efa6a20ba91cb696961" title="clones a rdf structure.">ldns_rdf_clone</a>(d);
<a name="l00554"></a>00554 <a class="code" href="resolver_8c.html#a004e762e1cc81fbe21053c5af825d28a">ldns_resolver_set_searchlist_count</a>(r, list_count + 1);
<a name="l00555"></a>00555 } <span class="comment">/* no way to report mem err */</span>
<a name="l00556"></a>00556 }
<a name="l00557"></a>00557
<a name="l00558"></a>00558 <span class="keywordtype">void</span>
<a name="l00559"></a><a class="code" href="resolver_8h.html#a9e9924b414a4b846de315f1aa032122a">00559</a> <a class="code" href="resolver_8c.html#a9e9924b414a4b846de315f1aa032122a" title="Set the tsig key name.">ldns_resolver_set_tsig_keyname</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">char</span> *tsig_keyname)
<a name="l00560"></a>00560 {
<a name="l00561"></a>00561 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(r-><a class="code" href="structldns__struct__resolver.html#a11e2608784924b1f18d05ff7bc5ce44a" title="Name of the key to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keyname</a>);
<a name="l00562"></a>00562 r-><a class="code" href="structldns__struct__resolver.html#a11e2608784924b1f18d05ff7bc5ce44a" title="Name of the key to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keyname</a> = strdup(tsig_keyname);
<a name="l00563"></a>00563 }
<a name="l00564"></a>00564
<a name="l00565"></a>00565 <span class="keywordtype">void</span>
<a name="l00566"></a><a class="code" href="resolver_8h.html#a2741b9696cef8e6210d3c52e564a4f47">00566</a> <a class="code" href="resolver_8c.html#a2741b9696cef8e6210d3c52e564a4f47" title="Set the tsig algorithm.">ldns_resolver_set_tsig_algorithm</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">char</span> *tsig_algorithm)
<a name="l00567"></a>00567 {
<a name="l00568"></a>00568 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(r-><a class="code" href="structldns__struct__resolver.html#aad34f9f2bd2bf919420ac92704de18f5" title="TSIG signing algorithm.">_tsig_algorithm</a>);
<a name="l00569"></a>00569 r-><a class="code" href="structldns__struct__resolver.html#aad34f9f2bd2bf919420ac92704de18f5" title="TSIG signing algorithm.">_tsig_algorithm</a> = strdup(tsig_algorithm);
<a name="l00570"></a>00570 }
<a name="l00571"></a>00571
<a name="l00572"></a>00572 <span class="keywordtype">void</span>
<a name="l00573"></a><a class="code" href="resolver_8h.html#ad0eaa7349a7a544fd1d45e429c49c78b">00573</a> <a class="code" href="resolver_8c.html#ad0eaa7349a7a544fd1d45e429c49c78b" title="Set the tsig key data.">ldns_resolver_set_tsig_keydata</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">char</span> *tsig_keydata)
<a name="l00574"></a>00574 {
<a name="l00575"></a>00575 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(r-><a class="code" href="structldns__struct__resolver.html#a8c9bf412e013349f5842b46ac603cc08" title="Secret key data to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keydata</a>);
<a name="l00576"></a>00576 r-><a class="code" href="structldns__struct__resolver.html#a8c9bf412e013349f5842b46ac603cc08" title="Secret key data to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keydata</a> = strdup(tsig_keydata);
<a name="l00577"></a>00577 }
<a name="l00578"></a>00578
<a name="l00579"></a>00579 <span class="keywordtype">void</span>
<a name="l00580"></a><a class="code" href="resolver_8h.html#a03f1f0f1ee720eb90632521854f7f254">00580</a> <a class="code" href="resolver_8c.html#a03f1f0f1ee720eb90632521854f7f254" title="Should the nameserver list be randomized before each use.">ldns_resolver_set_random</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">bool</span> b)
<a name="l00581"></a>00581 {
<a name="l00582"></a>00582 r-><a class="code" href="structldns__struct__resolver.html#ade31d1d3817229c5ef7db7da12d8f082" title="Randomly choose a nameserver.">_random</a> = b;
<a name="l00583"></a>00583 }
<a name="l00584"></a>00584
<a name="l00585"></a>00585 <span class="comment">/* more sophisticated functions */</span>
<a name="l00586"></a>00586 <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *
<a name="l00587"></a><a class="code" href="resolver_8h.html#a382c8021f9b0bbfb0c5fe68b11ff2e0e">00587</a> <a class="code" href="resolver_8c.html#a382c8021f9b0bbfb0c5fe68b11ff2e0e" title="Create a new resolver structure.">ldns_resolver_new</a>(<span class="keywordtype">void</span>)
<a name="l00588"></a>00588 {
<a name="l00589"></a>00589 <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r;
<a name="l00590"></a>00590
<a name="l00591"></a>00591 r = <a class="code" href="util_8h.html#a828619b138fdeb9756cd3c874d0551c1" title="Memory management macros.">LDNS_MALLOC</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a>);
<a name="l00592"></a>00592 <span class="keywordflow">if</span> (!r) {
<a name="l00593"></a>00593 <span class="keywordflow">return</span> NULL;
<a name="l00594"></a>00594 }
<a name="l00595"></a>00595
<a name="l00596"></a>00596 r-><a class="code" href="structldns__struct__resolver.html#a607f87da599b3d6ae988f05899017376" title="Searchlist array, add the names in this array if a query cannot be found.">_searchlist</a> = NULL;
<a name="l00597"></a>00597 r-><a class="code" href="structldns__struct__resolver.html#a8988cc24d2a4bb3b7fa98394047a6524" title="Array of nameservers to query (IP addresses or dnames)">_nameservers</a> = NULL;
<a name="l00598"></a>00598 r-><a class="code" href="structldns__struct__resolver.html#a9cbcb4abcd5d4dfcdd4e0589935f3ae3" title="Round trip time; 0 -> infinity.">_rtt</a> = NULL;
<a name="l00599"></a>00599
<a name="l00600"></a>00600 <span class="comment">/* defaults are filled out */</span>
<a name="l00601"></a>00601 <a class="code" href="resolver_8c.html#a004e762e1cc81fbe21053c5af825d28a">ldns_resolver_set_searchlist_count</a>(r, 0);
<a name="l00602"></a>00602 <a class="code" href="resolver_8c.html#a94a05eca2acbab571688f0231176b5cb" title="Set the resolver's nameserver count directly.">ldns_resolver_set_nameserver_count</a>(r, 0);
<a name="l00603"></a>00603 <a class="code" href="resolver_8c.html#a3a1711ef15c70cbd37dec56dd1421cc6" title="Whether the resolver uses a virtual circuit (TCP)">ldns_resolver_set_usevc</a>(r, 0);
<a name="l00604"></a>00604 <a class="code" href="resolver_8c.html#a83bc6593a8d361ce79068331287747f5" title="Set the port the resolver should use.">ldns_resolver_set_port</a>(r, <a class="code" href="ldns_8h.html#af09fdea9d1f2f008a650be45ac3332c7">LDNS_PORT</a>);
<a name="l00605"></a>00605 <a class="code" href="resolver_8c.html#a96199ab6749992d3abcdaaeaed1d1f04" title="Set the resolver's default domain.">ldns_resolver_set_domain</a>(r, NULL);
<a name="l00606"></a>00606 <a class="code" href="resolver_8c.html#abac86413011917ede28be02dfec0e21e" title="Whether the resolver uses the name set with _set_domain.">ldns_resolver_set_defnames</a>(r, <span class="keyword">false</span>);
<a name="l00607"></a>00607 <a class="code" href="resolver_8c.html#a69c1e77951203695f7fdf9f90a562f56" title="Set the resolver retry interval (in seconds)">ldns_resolver_set_retry</a>(r, 3);
<a name="l00608"></a>00608 <a class="code" href="resolver_8c.html#ad79d095f1d74c8708f70011ff9500cfa" title="Set the resolver retrans timeout (in seconds)">ldns_resolver_set_retrans</a>(r, 2);
<a name="l00609"></a>00609 <a class="code" href="resolver_8c.html#acfd52b914c707576cb4506838e99e07d" title="Set whether the resolvers truncation fallback mechanism is used when ldns_resolver_query() is called...">ldns_resolver_set_fallback</a>(r, <span class="keyword">true</span>);
<a name="l00610"></a>00610 <a class="code" href="resolver_8c.html#aebdef23a4663c57086b40f68c64c2390" title="Whether or not to fail after one failed query.">ldns_resolver_set_fail</a>(r, <span class="keyword">false</span>);
<a name="l00611"></a>00611 <a class="code" href="resolver_8c.html#a00224ddf7980d40143414afd094d2ecc" title="Set maximum udp size.">ldns_resolver_set_edns_udp_size</a>(r, 0);
<a name="l00612"></a>00612 <a class="code" href="resolver_8c.html#a5a7c19a45861ccd245a975b537ed6321" title="Whether the resolver uses DNSSEC.">ldns_resolver_set_dnssec</a>(r, <span class="keyword">false</span>);
<a name="l00613"></a>00613 <a class="code" href="resolver_8c.html#a938c3dd5a34d5a876db5b2dfee10040e" title="Whether the resolver uses the checking disable bit.">ldns_resolver_set_dnssec_cd</a>(r, <span class="keyword">false</span>);
<a name="l00614"></a>00614 <a class="code" href="resolver_8c.html#a290a1a297d15e3e3f7e4d650c40c3e77" title="Set the resolver's DNSSEC anchor list directly.">ldns_resolver_set_dnssec_anchors</a>(r, NULL);
<a name="l00615"></a>00615 <a class="code" href="resolver_8c.html#aac584cb23deb280a9e21c53a39f01ce4" title="Whether the resolver uses ip6.">ldns_resolver_set_ip6</a>(r, <a class="code" href="resolver_8h.html#a1647f5718dc329345bd0e2361ce56afd">LDNS_RESOLV_INETANY</a>);
<a name="l00616"></a>00616 <a class="code" href="resolver_8c.html#aaec8f1ae3ad36cba292b2afbc6b6e068" title="Whether or not to ignore the TC bit.">ldns_resolver_set_igntc</a>(r, <span class="keyword">false</span>);
<a name="l00617"></a>00617 <a class="code" href="resolver_8c.html#a0550c0e4afd8e8f6bbbbb771a45df12a" title="Set the resolver recursion.">ldns_resolver_set_recursive</a>(r, <span class="keyword">false</span>);
<a name="l00618"></a>00618 <a class="code" href="resolver_8c.html#a0c36cf058a41c80404ef2c8209d3be18" title="Whether the resolver uses the searchlist.">ldns_resolver_set_dnsrch</a>(r, <span class="keyword">true</span>);
<a name="l00619"></a>00619
<a name="l00620"></a>00620 <span class="comment">/* randomize the nameserver to be queried</span>
<a name="l00621"></a>00621 <span class="comment"> * when there are multiple</span>
<a name="l00622"></a>00622 <span class="comment"> */</span>
<a name="l00623"></a>00623 <a class="code" href="resolver_8c.html#a03f1f0f1ee720eb90632521854f7f254" title="Should the nameserver list be randomized before each use.">ldns_resolver_set_random</a>(r, <span class="keyword">true</span>);
<a name="l00624"></a>00624
<a name="l00625"></a>00625 <a class="code" href="resolver_8c.html#a6f3e703af20487f6f6e2c5e50de67195" title="Set the resolver debugging.">ldns_resolver_set_debug</a>(r, 0);
<a name="l00626"></a>00626
<a name="l00627"></a>00627 r-><a class="code" href="structldns__struct__resolver.html#ac581ff8002cfac8f2a5ea8dfba258853" title="Timeout for socket connections.">_timeout</a>.tv_sec = <a class="code" href="net_8h.html#a22e08a915ebd4b0e6ce971cb67367c28">LDNS_DEFAULT_TIMEOUT_SEC</a>;
<a name="l00628"></a>00628 r-><a class="code" href="structldns__struct__resolver.html#ac581ff8002cfac8f2a5ea8dfba258853" title="Timeout for socket connections.">_timeout</a>.tv_usec = <a class="code" href="net_8h.html#a988fa4d3029ca208472bc789000709fd">LDNS_DEFAULT_TIMEOUT_USEC</a>;
<a name="l00629"></a>00629
<a name="l00630"></a>00630 <span class="comment">/* TODO: fd=0 is actually a valid socket (stdin),</span>
<a name="l00631"></a>00631 <span class="comment"> replace with -1 */</span>
<a name="l00632"></a>00632 r-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a> = 0;
<a name="l00633"></a>00633 r-><a class="code" href="structldns__struct__resolver.html#aaedcf2f47f8c62eac7a75fbe5d6a7b43" title="Count the number of LDNS_RR_TYPE_SOA RRs we have seen so far (the second one signifies the end of the...">_axfr_soa_count</a> = 0;
<a name="l00634"></a>00634 r-><a class="code" href="structldns__struct__resolver.html#a0f8cc85c600aa75434eb6b6915a4ef55" title="Counter for within the AXFR packets.">_axfr_i</a> = 0;
<a name="l00635"></a>00635 r-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a> = NULL;
<a name="l00636"></a>00636
<a name="l00637"></a>00637 r-><a class="code" href="structldns__struct__resolver.html#a11e2608784924b1f18d05ff7bc5ce44a" title="Name of the key to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keyname</a> = NULL;
<a name="l00638"></a>00638 r-><a class="code" href="structldns__struct__resolver.html#a8c9bf412e013349f5842b46ac603cc08" title="Secret key data to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keydata</a> = NULL;
<a name="l00639"></a>00639 r-><a class="code" href="structldns__struct__resolver.html#aad34f9f2bd2bf919420ac92704de18f5" title="TSIG signing algorithm.">_tsig_algorithm</a> = NULL;
<a name="l00640"></a>00640 <span class="keywordflow">return</span> r;
<a name="l00641"></a>00641 }
<a name="l00642"></a>00642
<a name="l00643"></a>00643 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l00644"></a><a class="code" href="resolver_8h.html#af8679b4559a609cb5fa100a5797c5616">00644</a> <a class="code" href="resolver_8c.html#aac675348d651b1fd18b8b139e4b94933" title="Create a resolver structure from a file like /etc/resolv.conf.">ldns_resolver_new_frm_fp</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> **res, FILE *fp)
<a name="l00645"></a>00645 {
<a name="l00646"></a>00646 <span class="keywordflow">return</span> <a class="code" href="resolver_8c.html#a6146fbb4f28ac10da9e665c679703f7e" title="Create a resolver structure from a file like /etc/resolv.conf.">ldns_resolver_new_frm_fp_l</a>(res, fp, NULL);
<a name="l00647"></a>00647 }
<a name="l00648"></a>00648
<a name="l00649"></a>00649 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l00650"></a><a class="code" href="resolver_8h.html#a4462de2ef0fc655d01066ec4bdc18478">00650</a> <a class="code" href="resolver_8c.html#a6146fbb4f28ac10da9e665c679703f7e" title="Create a resolver structure from a file like /etc/resolv.conf.">ldns_resolver_new_frm_fp_l</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> **res, FILE *fp, <span class="keywordtype">int</span> *line_nr)
<a name="l00651"></a>00651 {
<a name="l00652"></a>00652 <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r;
<a name="l00653"></a>00653 <span class="keyword">const</span> <span class="keywordtype">char</span> *keyword[<a class="code" href="resolver_8h.html#a7f1def32cbcbc3035f512c0c55832c06">LDNS_RESOLV_KEYWORDS</a>];
<a name="l00654"></a>00654 <span class="keywordtype">char</span> word[<a class="code" href="parse_8h.html#a5e0b586eee52cb7d411f758a286e8e3f">LDNS_MAX_LINELEN</a> + 1];
<a name="l00655"></a>00655 int8_t expect;
<a name="l00656"></a>00656 uint8_t i;
<a name="l00657"></a>00657 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *tmp;
<a name="l00658"></a>00658 <span class="preprocessor">#ifdef HAVE_SSL</span>
<a name="l00659"></a>00659 <span class="preprocessor"></span> <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *tmp_rr;
<a name="l00660"></a>00660 <span class="preprocessor">#endif</span>
<a name="l00661"></a>00661 <span class="preprocessor"></span> ssize_t gtr, bgtr;
<a name="l00662"></a>00662 <a class="code" href="structldns__struct__buffer.html" title="implementation of buffers to ease operations">ldns_buffer</a> *b;
<a name="l00663"></a>00663 <span class="keywordtype">int</span> lnr = 0, oldline;
<a name="l00664"></a>00664 <span class="keywordflow">if</span>(!line_nr) line_nr = &lnr;
<a name="l00665"></a>00665
<a name="l00666"></a>00666 <span class="comment">/* do this better</span>
<a name="l00667"></a>00667 <span class="comment"> * expect =</span>
<a name="l00668"></a>00668 <span class="comment"> * 0: keyword</span>
<a name="l00669"></a>00669 <span class="comment"> * 1: default domain dname</span>
<a name="l00670"></a>00670 <span class="comment"> * 2: NS aaaa or a record</span>
<a name="l00671"></a>00671 <span class="comment"> */</span>
<a name="l00672"></a>00672
<a name="l00673"></a>00673 <span class="comment">/* recognized keywords */</span>
<a name="l00674"></a>00674 keyword[<a class="code" href="resolver_8h.html#a8589b7d4888e392f28b0d9df5d825cdf">LDNS_RESOLV_NAMESERVER</a>] = <span class="stringliteral">"nameserver"</span>;
<a name="l00675"></a>00675 keyword[<a class="code" href="resolver_8h.html#a3ddf14bc7c3f60de9623d9fe42d93d1b">LDNS_RESOLV_DEFDOMAIN</a>] = <span class="stringliteral">"domain"</span>;
<a name="l00676"></a>00676 keyword[<a class="code" href="resolver_8h.html#a8632afc0106b6244daa32a2f44816410">LDNS_RESOLV_SEARCH</a>] = <span class="stringliteral">"search"</span>;
<a name="l00677"></a>00677 <span class="comment">/* these two are read but not used atm TODO */</span>
<a name="l00678"></a>00678 keyword[<a class="code" href="resolver_8h.html#a368fc2aedb6c8fcb55d9a8020b0ca7c0">LDNS_RESOLV_SORTLIST</a>] = <span class="stringliteral">"sortlist"</span>;
<a name="l00679"></a>00679 keyword[<a class="code" href="resolver_8h.html#a1ece33d8fcd7e517469de279dfccea28">LDNS_RESOLV_OPTIONS</a>] = <span class="stringliteral">"options"</span>;
<a name="l00680"></a>00680 keyword[<a class="code" href="resolver_8h.html#a83499a2c6903cd7e0f7d04650a6bbae7">LDNS_RESOLV_ANCHOR</a>] = <span class="stringliteral">"anchor"</span>;
<a name="l00681"></a>00681 expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00682"></a>00682
<a name="l00683"></a>00683 r = <a class="code" href="resolver_8c.html#a382c8021f9b0bbfb0c5fe68b11ff2e0e" title="Create a new resolver structure.">ldns_resolver_new</a>();
<a name="l00684"></a>00684 <span class="keywordflow">if</span> (!r) {
<a name="l00685"></a>00685 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa81e80e66a14551db514726fa49290498">LDNS_STATUS_MEM_ERR</a>;
<a name="l00686"></a>00686 }
<a name="l00687"></a>00687
<a name="l00688"></a>00688 gtr = 1;
<a name="l00689"></a>00689 word[0] = 0;
<a name="l00690"></a>00690 oldline = *line_nr;
<a name="l00691"></a>00691 expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00692"></a>00692 <span class="keywordflow">while</span> (gtr > 0) {
<a name="l00693"></a>00693 <span class="comment">/* check comments */</span>
<a name="l00694"></a>00694 <span class="keywordflow">if</span> (word[0] == <span class="charliteral">'#'</span>) {
<a name="l00695"></a>00695 word[0]=<span class="charliteral">'x'</span>;
<a name="l00696"></a>00696 <span class="keywordflow">if</span>(oldline == *line_nr) {
<a name="l00697"></a>00697 <span class="comment">/* skip until end of line */</span>
<a name="l00698"></a>00698 <span class="keywordtype">int</span> c;
<a name="l00699"></a>00699 <span class="keywordflow">do</span> {
<a name="l00700"></a>00700 c = fgetc(fp);
<a name="l00701"></a>00701 } <span class="keywordflow">while</span>(c != EOF && c != <span class="charliteral">'\n'</span>);
<a name="l00702"></a>00702 <span class="keywordflow">if</span>(c==<span class="charliteral">'\n'</span> && line_nr) (*line_nr)++;
<a name="l00703"></a>00703 }
<a name="l00704"></a>00704 <span class="comment">/* and read next to prepare for further parsing */</span>
<a name="l00705"></a>00705 oldline = *line_nr;
<a name="l00706"></a>00706 <span class="keywordflow">continue</span>;
<a name="l00707"></a>00707 }
<a name="l00708"></a>00708 oldline = *line_nr;
<a name="l00709"></a>00709 <span class="keywordflow">switch</span>(expect) {
<a name="l00710"></a>00710 <span class="keywordflow">case</span> <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>:
<a name="l00711"></a>00711 <span class="comment">/* keyword */</span>
<a name="l00712"></a>00712 gtr = <a class="code" href="parse_8c.html#a0871ab9743d5418ca159ca3e02cef1d7" title="returns a token/char from the stream F.">ldns_fget_token_l</a>(fp, word, <a class="code" href="parse_8h.html#aa07777e1a38886b0c233972bdabefaea">LDNS_PARSE_NORMAL</a>, 0, line_nr);
<a name="l00713"></a>00713 <span class="keywordflow">if</span> (gtr != 0) {
<a name="l00714"></a>00714 <span class="keywordflow">if</span>(word[0] == <span class="charliteral">'#'</span>) <span class="keywordflow">continue</span>;
<a name="l00715"></a>00715 <span class="keywordflow">for</span>(i = 0; i < <a class="code" href="resolver_8h.html#a7f1def32cbcbc3035f512c0c55832c06">LDNS_RESOLV_KEYWORDS</a>; i++) {
<a name="l00716"></a>00716 <span class="keywordflow">if</span> (strcasecmp(keyword[i], word) == 0) {
<a name="l00717"></a>00717 <span class="comment">/* chosen the keyword and</span>
<a name="l00718"></a>00718 <span class="comment"> * expect values carefully</span>
<a name="l00719"></a>00719 <span class="comment"> */</span>
<a name="l00720"></a>00720 expect = i;
<a name="l00721"></a>00721 <span class="keywordflow">break</span>;
<a name="l00722"></a>00722 }
<a name="l00723"></a>00723 }
<a name="l00724"></a>00724 <span class="comment">/* no keyword recognized */</span>
<a name="l00725"></a>00725 <span class="keywordflow">if</span> (expect == <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>) {
<a name="l00726"></a>00726 <span class="comment">/* skip line */</span>
<a name="l00727"></a>00727 <span class="comment">/*</span>
<a name="l00728"></a>00728 <span class="comment"> ldns_resolver_deep_free(r);</span>
<a name="l00729"></a>00729 <span class="comment"> return LDNS_STATUS_SYNTAX_KEYWORD_ERR;</span>
<a name="l00730"></a>00730 <span class="comment"> */</span>
<a name="l00731"></a>00731 }
<a name="l00732"></a>00732 }
<a name="l00733"></a>00733 <span class="keywordflow">break</span>;
<a name="l00734"></a>00734 <span class="keywordflow">case</span> <a class="code" href="resolver_8h.html#a3ddf14bc7c3f60de9623d9fe42d93d1b">LDNS_RESOLV_DEFDOMAIN</a>:
<a name="l00735"></a>00735 <span class="comment">/* default domain dname */</span>
<a name="l00736"></a>00736 gtr = <a class="code" href="parse_8c.html#a0871ab9743d5418ca159ca3e02cef1d7" title="returns a token/char from the stream F.">ldns_fget_token_l</a>(fp, word, <a class="code" href="parse_8h.html#aa07777e1a38886b0c233972bdabefaea">LDNS_PARSE_NORMAL</a>, 0, line_nr);
<a name="l00737"></a>00737 <span class="keywordflow">if</span> (gtr == 0) {
<a name="l00738"></a>00738 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afacbbbc1e242d9260df0f67697abe77713">LDNS_STATUS_SYNTAX_MISSING_VALUE_ERR</a>;
<a name="l00739"></a>00739 }
<a name="l00740"></a>00740 <span class="keywordflow">if</span>(word[0] == <span class="charliteral">'#'</span>) {
<a name="l00741"></a>00741 expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00742"></a>00742 <span class="keywordflow">continue</span>;
<a name="l00743"></a>00743 }
<a name="l00744"></a>00744 tmp = <a class="code" href="rdata_8c.html#a6d9420f844225b552ffc3e84a37741ba" title="creates a new rdf from a string.">ldns_rdf_new_frm_str</a>(<a class="code" href="rdata_8h.html#aaa92376014f0abbf0110ca6efd587bb9a72cb73467bcbfbb41168e2a2b4a8283a" title="domain name">LDNS_RDF_TYPE_DNAME</a>, word);
<a name="l00745"></a>00745 <span class="keywordflow">if</span> (!tmp) {
<a name="l00746"></a>00746 <a class="code" href="resolver_8c.html#afddfa77c8dccef423178c340b9817401" title="Frees the allocated space for this resolver and all it's data.">ldns_resolver_deep_free</a>(r);
<a name="l00747"></a>00747 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa6ee1fa1f7ee5bb8957b8196cb8a1719a">LDNS_STATUS_SYNTAX_DNAME_ERR</a>;
<a name="l00748"></a>00748 }
<a name="l00749"></a>00749
<a name="l00750"></a>00750 <span class="comment">/* DOn't free, because we copy the pointer */</span>
<a name="l00751"></a>00751 <a class="code" href="resolver_8c.html#a96199ab6749992d3abcdaaeaed1d1f04" title="Set the resolver's default domain.">ldns_resolver_set_domain</a>(r, tmp);
<a name="l00752"></a>00752 expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00753"></a>00753 <span class="keywordflow">break</span>;
<a name="l00754"></a>00754 <span class="keywordflow">case</span> <a class="code" href="resolver_8h.html#a8589b7d4888e392f28b0d9df5d825cdf">LDNS_RESOLV_NAMESERVER</a>:
<a name="l00755"></a>00755 <span class="comment">/* NS aaaa or a record */</span>
<a name="l00756"></a>00756 gtr = <a class="code" href="parse_8c.html#a0871ab9743d5418ca159ca3e02cef1d7" title="returns a token/char from the stream F.">ldns_fget_token_l</a>(fp, word, <a class="code" href="parse_8h.html#aa07777e1a38886b0c233972bdabefaea">LDNS_PARSE_NORMAL</a>, 0, line_nr);
<a name="l00757"></a>00757 <span class="keywordflow">if</span> (gtr == 0) {
<a name="l00758"></a>00758 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afacbbbc1e242d9260df0f67697abe77713">LDNS_STATUS_SYNTAX_MISSING_VALUE_ERR</a>;
<a name="l00759"></a>00759 }
<a name="l00760"></a>00760 <span class="keywordflow">if</span>(word[0] == <span class="charliteral">'#'</span>) {
<a name="l00761"></a>00761 expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00762"></a>00762 <span class="keywordflow">continue</span>;
<a name="l00763"></a>00763 }
<a name="l00764"></a>00764 <span class="keywordflow">if</span>(strchr(word, <span class="charliteral">'%'</span>)) {
<a name="l00765"></a>00765 <span class="comment">/* snip off interface labels,</span>
<a name="l00766"></a>00766 <span class="comment"> * fe80::222:19ff:fe31:4222%eth0 */</span>
<a name="l00767"></a>00767 strchr(word, <span class="charliteral">'%'</span>)[0]=0;
<a name="l00768"></a>00768 }
<a name="l00769"></a>00769 tmp = <a class="code" href="rdata_8c.html#a6d9420f844225b552ffc3e84a37741ba" title="creates a new rdf from a string.">ldns_rdf_new_frm_str</a>(<a class="code" href="rdata_8h.html#aaa92376014f0abbf0110ca6efd587bb9a5959b86d3aacff828167e6dca5a935fd" title="AAAA record.">LDNS_RDF_TYPE_AAAA</a>, word);
<a name="l00770"></a>00770 <span class="keywordflow">if</span> (!tmp) {
<a name="l00771"></a>00771 <span class="comment">/* try ip4 */</span>
<a name="l00772"></a>00772 tmp = <a class="code" href="rdata_8c.html#a6d9420f844225b552ffc3e84a37741ba" title="creates a new rdf from a string.">ldns_rdf_new_frm_str</a>(<a class="code" href="rdata_8h.html#aaa92376014f0abbf0110ca6efd587bb9a8ab64a730a4d6b7a717e6a3dbdc6123d" title="A record.">LDNS_RDF_TYPE_A</a>, word);
<a name="l00773"></a>00773 }
<a name="l00774"></a>00774 <span class="comment">/* could not parse it, exit */</span>
<a name="l00775"></a>00775 <span class="keywordflow">if</span> (!tmp) {
<a name="l00776"></a>00776 <a class="code" href="resolver_8c.html#afddfa77c8dccef423178c340b9817401" title="Frees the allocated space for this resolver and all it's data.">ldns_resolver_deep_free</a>(r);
<a name="l00777"></a>00777 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa490d1b376ded8a2368dc5548da8f2a04">LDNS_STATUS_SYNTAX_ERR</a>;
<a name="l00778"></a>00778 }
<a name="l00779"></a>00779 (void)<a class="code" href="resolver_8c.html#acbb25f585b7aa346d5be99dd19c7739b" title="Push a new nameserver to the resolver.">ldns_resolver_push_nameserver</a>(r, tmp);
<a name="l00780"></a>00780 <a class="code" href="rdata_8c.html#a47cb2779f76f2f6561ff8ede8e41afec" title="frees a rdf structure _and_ frees the data.">ldns_rdf_deep_free</a>(tmp);
<a name="l00781"></a>00781 expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00782"></a>00782 <span class="keywordflow">break</span>;
<a name="l00783"></a>00783 <span class="keywordflow">case</span> <a class="code" href="resolver_8h.html#a8632afc0106b6244daa32a2f44816410">LDNS_RESOLV_SEARCH</a>:
<a name="l00784"></a>00784 <span class="comment">/* search list domain dname */</span>
<a name="l00785"></a>00785 gtr = <a class="code" href="parse_8c.html#a0871ab9743d5418ca159ca3e02cef1d7" title="returns a token/char from the stream F.">ldns_fget_token_l</a>(fp, word, <a class="code" href="parse_8h.html#a55bb73c2d561409989e1d69eae4f61ee">LDNS_PARSE_SKIP_SPACE</a>, 0, line_nr);
<a name="l00786"></a>00786 b = <a class="code" href="util_8h.html#a828619b138fdeb9756cd3c874d0551c1" title="Memory management macros.">LDNS_MALLOC</a>(<a class="code" href="structldns__struct__buffer.html" title="implementation of buffers to ease operations">ldns_buffer</a>);
<a name="l00787"></a>00787 <span class="keywordflow">if</span>(!b) {
<a name="l00788"></a>00788 <a class="code" href="resolver_8c.html#afddfa77c8dccef423178c340b9817401" title="Frees the allocated space for this resolver and all it's data.">ldns_resolver_deep_free</a>(r);
<a name="l00789"></a>00789 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa81e80e66a14551db514726fa49290498">LDNS_STATUS_MEM_ERR</a>;
<a name="l00790"></a>00790 }
<a name="l00791"></a>00791
<a name="l00792"></a>00792 <a class="code" href="buffer_8c.html#a7f33a4c147914739da73ccc4caa2bd7f" title="creates a buffer with the specified data.">ldns_buffer_new_frm_data</a>(b, word, (<span class="keywordtype">size_t</span>) gtr);
<a name="l00793"></a>00793 <span class="keywordflow">if</span>(ldns_buffer_status(b) != <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>) {
<a name="l00794"></a>00794 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(b);
<a name="l00795"></a>00795 <a class="code" href="resolver_8c.html#afddfa77c8dccef423178c340b9817401" title="Frees the allocated space for this resolver and all it's data.">ldns_resolver_deep_free</a>(r);
<a name="l00796"></a>00796 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa81e80e66a14551db514726fa49290498">LDNS_STATUS_MEM_ERR</a>;
<a name="l00797"></a>00797 }
<a name="l00798"></a>00798 bgtr = <a class="code" href="parse_8c.html#a9e2a87caeb3e9d983e461da182e2723b" title="returns a token/char from the buffer b.">ldns_bget_token</a>(b, word, <a class="code" href="parse_8h.html#aa07777e1a38886b0c233972bdabefaea">LDNS_PARSE_NORMAL</a>, (<span class="keywordtype">size_t</span>) gtr + 1);
<a name="l00799"></a>00799 <span class="keywordflow">while</span> (bgtr > 0) {
<a name="l00800"></a>00800 gtr -= bgtr;
<a name="l00801"></a>00801 <span class="keywordflow">if</span>(word[0] == <span class="charliteral">'#'</span>) {
<a name="l00802"></a>00802 expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00803"></a>00803 <a class="code" href="buffer_8c.html#a1615da957ad5a24a8b5cc1ba2f2b7f44" title="frees the buffer.">ldns_buffer_free</a>(b);
<a name="l00804"></a>00804 <span class="keywordflow">continue</span>;
<a name="l00805"></a>00805 }
<a name="l00806"></a>00806 tmp = <a class="code" href="rdata_8c.html#a6d9420f844225b552ffc3e84a37741ba" title="creates a new rdf from a string.">ldns_rdf_new_frm_str</a>(<a class="code" href="rdata_8h.html#aaa92376014f0abbf0110ca6efd587bb9a72cb73467bcbfbb41168e2a2b4a8283a" title="domain name">LDNS_RDF_TYPE_DNAME</a>, word);
<a name="l00807"></a>00807 <span class="keywordflow">if</span> (!tmp) {
<a name="l00808"></a>00808 <a class="code" href="resolver_8c.html#afddfa77c8dccef423178c340b9817401" title="Frees the allocated space for this resolver and all it's data.">ldns_resolver_deep_free</a>(r);
<a name="l00809"></a>00809 <a class="code" href="buffer_8c.html#a1615da957ad5a24a8b5cc1ba2f2b7f44" title="frees the buffer.">ldns_buffer_free</a>(b);
<a name="l00810"></a>00810 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa6ee1fa1f7ee5bb8957b8196cb8a1719a">LDNS_STATUS_SYNTAX_DNAME_ERR</a>;
<a name="l00811"></a>00811 }
<a name="l00812"></a>00812
<a name="l00813"></a>00813 <a class="code" href="resolver_8c.html#a4d1bd59478260a3793fe27481f01775a" title="Push a new rd to the resolver's searchlist.">ldns_resolver_push_searchlist</a>(r, tmp);
<a name="l00814"></a>00814
<a name="l00815"></a>00815 <a class="code" href="rdata_8c.html#a47cb2779f76f2f6561ff8ede8e41afec" title="frees a rdf structure _and_ frees the data.">ldns_rdf_deep_free</a>(tmp);
<a name="l00816"></a>00816 bgtr = <a class="code" href="parse_8c.html#a9e2a87caeb3e9d983e461da182e2723b" title="returns a token/char from the buffer b.">ldns_bget_token</a>(b, word, <a class="code" href="parse_8h.html#aa07777e1a38886b0c233972bdabefaea">LDNS_PARSE_NORMAL</a>,
<a name="l00817"></a>00817 (<span class="keywordtype">size_t</span>) gtr + 1);
<a name="l00818"></a>00818 }
<a name="l00819"></a>00819 <a class="code" href="buffer_8c.html#a1615da957ad5a24a8b5cc1ba2f2b7f44" title="frees the buffer.">ldns_buffer_free</a>(b);
<a name="l00820"></a>00820 gtr = 1;
<a name="l00821"></a>00821 expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00822"></a>00822 <span class="keywordflow">break</span>;
<a name="l00823"></a>00823 <span class="keywordflow">case</span> <a class="code" href="resolver_8h.html#a368fc2aedb6c8fcb55d9a8020b0ca7c0">LDNS_RESOLV_SORTLIST</a>:
<a name="l00824"></a>00824 gtr = <a class="code" href="parse_8c.html#a0871ab9743d5418ca159ca3e02cef1d7" title="returns a token/char from the stream F.">ldns_fget_token_l</a>(fp, word, <a class="code" href="parse_8h.html#a55bb73c2d561409989e1d69eae4f61ee">LDNS_PARSE_SKIP_SPACE</a>, 0, line_nr);
<a name="l00825"></a>00825 <span class="comment">/* sortlist not implemented atm */</span>
<a name="l00826"></a>00826 expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00827"></a>00827 <span class="keywordflow">break</span>;
<a name="l00828"></a>00828 <span class="keywordflow">case</span> <a class="code" href="resolver_8h.html#a1ece33d8fcd7e517469de279dfccea28">LDNS_RESOLV_OPTIONS</a>:
<a name="l00829"></a>00829 gtr = <a class="code" href="parse_8c.html#a0871ab9743d5418ca159ca3e02cef1d7" title="returns a token/char from the stream F.">ldns_fget_token_l</a>(fp, word, <a class="code" href="parse_8h.html#a55bb73c2d561409989e1d69eae4f61ee">LDNS_PARSE_SKIP_SPACE</a>, 0, line_nr);
<a name="l00830"></a>00830 <span class="comment">/* options not implemented atm */</span>
<a name="l00831"></a>00831 expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00832"></a>00832 <span class="keywordflow">break</span>;
<a name="l00833"></a>00833 <span class="keywordflow">case</span> <a class="code" href="resolver_8h.html#a83499a2c6903cd7e0f7d04650a6bbae7">LDNS_RESOLV_ANCHOR</a>:
<a name="l00834"></a>00834 <span class="comment">/* a file containing a DNSSEC trust anchor */</span>
<a name="l00835"></a>00835 gtr = <a class="code" href="parse_8c.html#a0871ab9743d5418ca159ca3e02cef1d7" title="returns a token/char from the stream F.">ldns_fget_token_l</a>(fp, word, <a class="code" href="parse_8h.html#aa07777e1a38886b0c233972bdabefaea">LDNS_PARSE_NORMAL</a>, 0, line_nr);
<a name="l00836"></a>00836 <span class="keywordflow">if</span> (gtr == 0) {
<a name="l00837"></a>00837 <a class="code" href="resolver_8c.html#afddfa77c8dccef423178c340b9817401" title="Frees the allocated space for this resolver and all it's data.">ldns_resolver_deep_free</a>(r);
<a name="l00838"></a>00838 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afacbbbc1e242d9260df0f67697abe77713">LDNS_STATUS_SYNTAX_MISSING_VALUE_ERR</a>;
<a name="l00839"></a>00839 }
<a name="l00840"></a>00840 <span class="keywordflow">if</span>(word[0] == <span class="charliteral">'#'</span>) {
<a name="l00841"></a>00841 expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00842"></a>00842 <span class="keywordflow">continue</span>;
<a name="l00843"></a>00843 }
<a name="l00844"></a>00844
<a name="l00845"></a>00845 <span class="preprocessor">#ifdef HAVE_SSL</span>
<a name="l00846"></a>00846 <span class="preprocessor"></span> tmp_rr = <a class="code" href="keys_8c.html#a51826a1a298436c885ab77c2afe73bdc" title="Instantiates a DNSKEY or DS RR from file.">ldns_read_anchor_file</a>(word);
<a name="l00847"></a>00847 (void) <a class="code" href="resolver_8c.html#aa7ab0a9480b9c92e33ad4c13fea7c5f2" title="Push a new trust anchor to the resolver.">ldns_resolver_push_dnssec_anchor</a>(r, tmp_rr);
<a name="l00848"></a>00848 <a class="code" href="rr_8c.html#a277ccb85853d3c527ff3bc963cdde505" title="frees an RR structure">ldns_rr_free</a>(tmp_rr);
<a name="l00849"></a>00849 <span class="preprocessor">#endif</span>
<a name="l00850"></a>00850 <span class="preprocessor"></span> expect = <a class="code" href="resolver_8h.html#a946d6d1eee636a401d1927546284521b">LDNS_RESOLV_KEYWORD</a>;
<a name="l00851"></a>00851 <span class="keywordflow">break</span>;
<a name="l00852"></a>00852 }
<a name="l00853"></a>00853 }
<a name="l00854"></a>00854
<a name="l00855"></a>00855 <span class="keywordflow">if</span> (res) {
<a name="l00856"></a>00856 *res = r;
<a name="l00857"></a>00857 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>;
<a name="l00858"></a>00858 } <span class="keywordflow">else</span> {
<a name="l00859"></a>00859 <a class="code" href="resolver_8c.html#afddfa77c8dccef423178c340b9817401" title="Frees the allocated space for this resolver and all it's data.">ldns_resolver_deep_free</a>(r);
<a name="l00860"></a>00860 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa6d2e84d0a5c36fd156f348d9f9913dcf">LDNS_STATUS_NULL</a>;
<a name="l00861"></a>00861 }
<a name="l00862"></a>00862 }
<a name="l00863"></a>00863
<a name="l00864"></a>00864 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l00865"></a><a class="code" href="resolver_8h.html#aff9293d1347cf306978eb4d71be8b07a">00865</a> <a class="code" href="resolver_8c.html#a783fdb0e6523eb6c1f4a1563b32ac135" title="Configure a resolver by means of a resolv.conf file The file may be NULL in which case there will be ...">ldns_resolver_new_frm_file</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> **res, <span class="keyword">const</span> <span class="keywordtype">char</span> *filename)
<a name="l00866"></a>00866 {
<a name="l00867"></a>00867 <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r;
<a name="l00868"></a>00868 FILE *fp;
<a name="l00869"></a>00869 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a> s;
<a name="l00870"></a>00870
<a name="l00871"></a>00871 <span class="keywordflow">if</span> (!filename) {
<a name="l00872"></a>00872 fp = fopen(<a class="code" href="resolver_8h.html#aeb08b0c9398432bca4878b11144e0805" title="Default location of the resolv.conf file.">LDNS_RESOLV_CONF</a>, <span class="stringliteral">"r"</span>);
<a name="l00873"></a>00873
<a name="l00874"></a>00874 } <span class="keywordflow">else</span> {
<a name="l00875"></a>00875 fp = fopen(filename, <span class="stringliteral">"r"</span>);
<a name="l00876"></a>00876 }
<a name="l00877"></a>00877 <span class="keywordflow">if</span> (!fp) {
<a name="l00878"></a>00878 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa09527ca828d2c6d653f508763a6996ff">LDNS_STATUS_FILE_ERR</a>;
<a name="l00879"></a>00879 }
<a name="l00880"></a>00880
<a name="l00881"></a>00881 s = <a class="code" href="resolver_8c.html#aac675348d651b1fd18b8b139e4b94933" title="Create a resolver structure from a file like /etc/resolv.conf.">ldns_resolver_new_frm_fp</a>(&r, fp);
<a name="l00882"></a>00882 fclose(fp);
<a name="l00883"></a>00883 <span class="keywordflow">if</span> (s == <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>) {
<a name="l00884"></a>00884 <span class="keywordflow">if</span> (res) {
<a name="l00885"></a>00885 *res = r;
<a name="l00886"></a>00886 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>;
<a name="l00887"></a>00887 } <span class="keywordflow">else</span> {
<a name="l00888"></a>00888 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa6d2e84d0a5c36fd156f348d9f9913dcf">LDNS_STATUS_NULL</a>;
<a name="l00889"></a>00889 }
<a name="l00890"></a>00890 }
<a name="l00891"></a>00891 <span class="keywordflow">return</span> s;
<a name="l00892"></a>00892 }
<a name="l00893"></a>00893
<a name="l00894"></a>00894 <span class="keywordtype">void</span>
<a name="l00895"></a><a class="code" href="resolver_8h.html#a6749781aa95def9a63b7522ee4a2c9dc">00895</a> <a class="code" href="resolver_8c.html#a6749781aa95def9a63b7522ee4a2c9dc" title="Frees the allocated space for this resolver.">ldns_resolver_free</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *res)
<a name="l00896"></a>00896 {
<a name="l00897"></a>00897 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(res);
<a name="l00898"></a>00898 }
<a name="l00899"></a>00899
<a name="l00900"></a>00900 <span class="keywordtype">void</span>
<a name="l00901"></a><a class="code" href="resolver_8h.html#afddfa77c8dccef423178c340b9817401">00901</a> <a class="code" href="resolver_8c.html#afddfa77c8dccef423178c340b9817401" title="Frees the allocated space for this resolver and all it's data.">ldns_resolver_deep_free</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *res)
<a name="l00902"></a>00902 {
<a name="l00903"></a>00903 <span class="keywordtype">size_t</span> i;
<a name="l00904"></a>00904
<a name="l00905"></a>00905 <span class="keywordflow">if</span> (res) {
<a name="l00906"></a>00906 <span class="keywordflow">if</span> (res-><a class="code" href="structldns__struct__resolver.html#a607f87da599b3d6ae988f05899017376" title="Searchlist array, add the names in this array if a query cannot be found.">_searchlist</a>) {
<a name="l00907"></a>00907 <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="resolver_8c.html#a51df8a71741c7ab07f635b73b9112310" title="Return the resolver's searchlist count.">ldns_resolver_searchlist_count</a>(res); i++) {
<a name="l00908"></a>00908 <a class="code" href="rdata_8c.html#a47cb2779f76f2f6561ff8ede8e41afec" title="frees a rdf structure _and_ frees the data.">ldns_rdf_deep_free</a>(res-><a class="code" href="structldns__struct__resolver.html#a607f87da599b3d6ae988f05899017376" title="Searchlist array, add the names in this array if a query cannot be found.">_searchlist</a>[i]);
<a name="l00909"></a>00909 }
<a name="l00910"></a>00910 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(res-><a class="code" href="structldns__struct__resolver.html#a607f87da599b3d6ae988f05899017376" title="Searchlist array, add the names in this array if a query cannot be found.">_searchlist</a>);
<a name="l00911"></a>00911 }
<a name="l00912"></a>00912 <span class="keywordflow">if</span> (res-><a class="code" href="structldns__struct__resolver.html#a8988cc24d2a4bb3b7fa98394047a6524" title="Array of nameservers to query (IP addresses or dnames)">_nameservers</a>) {
<a name="l00913"></a>00913 <span class="keywordflow">for</span> (i = 0; i < res-><a class="code" href="structldns__struct__resolver.html#a3ed7421a6414b538e4449bb917972053" title="Number of nameservers in _nameservers.">_nameserver_count</a>; i++) {
<a name="l00914"></a>00914 <a class="code" href="rdata_8c.html#a47cb2779f76f2f6561ff8ede8e41afec" title="frees a rdf structure _and_ frees the data.">ldns_rdf_deep_free</a>(res-><a class="code" href="structldns__struct__resolver.html#a8988cc24d2a4bb3b7fa98394047a6524" title="Array of nameservers to query (IP addresses or dnames)">_nameservers</a>[i]);
<a name="l00915"></a>00915 }
<a name="l00916"></a>00916 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(res-><a class="code" href="structldns__struct__resolver.html#a8988cc24d2a4bb3b7fa98394047a6524" title="Array of nameservers to query (IP addresses or dnames)">_nameservers</a>);
<a name="l00917"></a>00917 }
<a name="l00918"></a>00918 <span class="keywordflow">if</span> (<a class="code" href="resolver_8c.html#a8f875737856dfe40228d8059e983d043" title="What is the default dname to add to relative queries.">ldns_resolver_domain</a>(res)) {
<a name="l00919"></a>00919 <a class="code" href="rdata_8c.html#a47cb2779f76f2f6561ff8ede8e41afec" title="frees a rdf structure _and_ frees the data.">ldns_rdf_deep_free</a>(<a class="code" href="resolver_8c.html#a8f875737856dfe40228d8059e983d043" title="What is the default dname to add to relative queries.">ldns_resolver_domain</a>(res));
<a name="l00920"></a>00920 }
<a name="l00921"></a>00921 <span class="keywordflow">if</span> (res-><a class="code" href="structldns__struct__resolver.html#a11e2608784924b1f18d05ff7bc5ce44a" title="Name of the key to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keyname</a>) {
<a name="l00922"></a>00922 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(res-><a class="code" href="structldns__struct__resolver.html#a11e2608784924b1f18d05ff7bc5ce44a" title="Name of the key to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keyname</a>);
<a name="l00923"></a>00923 }
<a name="l00924"></a>00924 <span class="keywordflow">if</span> (res-><a class="code" href="structldns__struct__resolver.html#a8c9bf412e013349f5842b46ac603cc08" title="Secret key data to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keydata</a>) {
<a name="l00925"></a>00925 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(res-><a class="code" href="structldns__struct__resolver.html#a8c9bf412e013349f5842b46ac603cc08" title="Secret key data to use with TSIG, if _tsig_keyname and _tsig_keydata both contain values...">_tsig_keydata</a>);
<a name="l00926"></a>00926 }
<a name="l00927"></a>00927 <span class="keywordflow">if</span> (res-><a class="code" href="structldns__struct__resolver.html#aad34f9f2bd2bf919420ac92704de18f5" title="TSIG signing algorithm.">_tsig_algorithm</a>) {
<a name="l00928"></a>00928 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(res-><a class="code" href="structldns__struct__resolver.html#aad34f9f2bd2bf919420ac92704de18f5" title="TSIG signing algorithm.">_tsig_algorithm</a>);
<a name="l00929"></a>00929 }
<a name="l00930"></a>00930
<a name="l00931"></a>00931 <span class="keywordflow">if</span> (res-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a>) {
<a name="l00932"></a>00932 <a class="code" href="packet_8c.html#a05bd6d99b1f608238c67b84449724c16" title="frees the packet structure and all data that it contains.">ldns_pkt_free</a>(res-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a>);
<a name="l00933"></a>00933 }
<a name="l00934"></a>00934
<a name="l00935"></a>00935 <span class="keywordflow">if</span> (res-><a class="code" href="structldns__struct__resolver.html#a9cbcb4abcd5d4dfcdd4e0589935f3ae3" title="Round trip time; 0 -> infinity.">_rtt</a>) {
<a name="l00936"></a>00936 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(res-><a class="code" href="structldns__struct__resolver.html#a9cbcb4abcd5d4dfcdd4e0589935f3ae3" title="Round trip time; 0 -> infinity.">_rtt</a>);
<a name="l00937"></a>00937 }
<a name="l00938"></a>00938 <span class="keywordflow">if</span> (res-><a class="code" href="structldns__struct__resolver.html#a3bf985bb2de042bccdb48636431b750f" title="Optional trust anchors for complete DNSSEC validation.">_dnssec_anchors</a>) {
<a name="l00939"></a>00939 <a class="code" href="rr_8c.html#a25181bd133a53f132abce4eefd8e33af" title="frees an rr_list structure and all rrs contained therein.">ldns_rr_list_deep_free</a>(res-><a class="code" href="structldns__struct__resolver.html#a3bf985bb2de042bccdb48636431b750f" title="Optional trust anchors for complete DNSSEC validation.">_dnssec_anchors</a>);
<a name="l00940"></a>00940 }
<a name="l00941"></a>00941 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(res);
<a name="l00942"></a>00942 }
<a name="l00943"></a>00943 }
<a name="l00944"></a>00944
<a name="l00945"></a>00945 <a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> *
<a name="l00946"></a><a class="code" href="resolver_8h.html#a1dcde63c58b4954cc3909dd3dc0e4cbd">00946</a> <a class="code" href="resolver_8c.html#ae494fd91ea4e7d8015b56b59aacbb6ad" title="Send the query for using the resolver and take the search list into account The search algorithm is a...">ldns_resolver_search</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r,<span class="keyword">const</span> <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *name,
<a name="l00947"></a>00947 <a class="code" href="rr_8h.html#a5b71c1de711a178f6fbda5d684cdfed5">ldns_rr_type</a> t, <a class="code" href="rr_8h.html#aa11e99c7e7c630e03373f2a2cafc4ee9">ldns_rr_class</a> c, uint16_t flags)
<a name="l00948"></a>00948 {
<a name="l00949"></a>00949
<a name="l00950"></a>00950 <span class="keywordtype">char</span> *str_dname;
<a name="l00951"></a>00951 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *new_name;
<a name="l00952"></a>00952 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> **search_list;
<a name="l00953"></a>00953 <span class="keywordtype">size_t</span> i;
<a name="l00954"></a>00954 <a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> *p;
<a name="l00955"></a>00955
<a name="l00956"></a>00956 str_dname = <a class="code" href="host2str_8c.html#ae404881f2bc2bd31588e32e250f2c46b" title="Converts the data in the rdata field to presentation format and returns that as a char *...">ldns_rdf2str</a>(name);
<a name="l00957"></a>00957
<a name="l00958"></a>00958 <span class="keywordflow">if</span> (<a class="code" href="dname_8c.html#a00b0d6d05c70e4e2f5e6193c8ed6f430" title="Checks whether the given dname string is absolute (i.e.">ldns_dname_str_absolute</a>(str_dname)) {
<a name="l00959"></a>00959 <span class="comment">/* query as-is */</span>
<a name="l00960"></a>00960 <span class="keywordflow">return</span> <a class="code" href="resolver_8c.html#a11ed37ad2349dbdc0ce6fbb618091d10" title="Send a query to a nameserver.">ldns_resolver_query</a>(r, name, t, c, flags);
<a name="l00961"></a>00961 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="resolver_8c.html#a84066ca36e031be32527845a0d2c0533" title="Does the resolver apply search list.">ldns_resolver_dnsrch</a>(r)) {
<a name="l00962"></a>00962 search_list = <a class="code" href="resolver_8c.html#ab262cce3866ce9e7c86ac61249967ddd" title="What is the searchlist as used by the resolver.">ldns_resolver_searchlist</a>(r);
<a name="l00963"></a>00963 <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="resolver_8c.html#a51df8a71741c7ab07f635b73b9112310" title="Return the resolver's searchlist count.">ldns_resolver_searchlist_count</a>(r); i++) {
<a name="l00964"></a>00964 new_name = <a class="code" href="dname_8c.html#a216c2af6beeedff58f9275fcb420fbde" title="concatenates two dnames together">ldns_dname_cat_clone</a>(name, search_list[i]);
<a name="l00965"></a>00965
<a name="l00966"></a>00966 p = <a class="code" href="resolver_8c.html#a11ed37ad2349dbdc0ce6fbb618091d10" title="Send a query to a nameserver.">ldns_resolver_query</a>(r, new_name, t, c, flags);
<a name="l00967"></a>00967 <a class="code" href="rdata_8c.html#ae31cf54f363a70e01db4b6d15c3ad190" title="frees a rdf structure, leaving the data pointer intact.">ldns_rdf_free</a>(new_name);
<a name="l00968"></a>00968 <span class="keywordflow">if</span> (p) {
<a name="l00969"></a>00969 <span class="keywordflow">if</span> (<a class="code" href="packet_8c.html#af4256a808233651ea1a5bdab74ce2d8e" title="Return the packet's respons code.">ldns_pkt_get_rcode</a>(p) == <a class="code" href="packet_8h.html#ae3a130700ea54523aacc394180b2fa2eaed41de4608a4fe343fb7321d38f577b7">LDNS_RCODE_NOERROR</a>) {
<a name="l00970"></a>00970 <span class="keywordflow">return</span> p;
<a name="l00971"></a>00971 } <span class="keywordflow">else</span> {
<a name="l00972"></a>00972 <a class="code" href="packet_8c.html#a05bd6d99b1f608238c67b84449724c16" title="frees the packet structure and all data that it contains.">ldns_pkt_free</a>(p);
<a name="l00973"></a>00973 p = NULL;
<a name="l00974"></a>00974 }
<a name="l00975"></a>00975 }
<a name="l00976"></a>00976 }
<a name="l00977"></a>00977 }
<a name="l00978"></a>00978 <span class="keywordflow">return</span> NULL;
<a name="l00979"></a>00979 }
<a name="l00980"></a>00980
<a name="l00981"></a>00981 <a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> *
<a name="l00982"></a><a class="code" href="resolver_8h.html#a11ed37ad2349dbdc0ce6fbb618091d10">00982</a> <a class="code" href="resolver_8c.html#a11ed37ad2349dbdc0ce6fbb618091d10" title="Send a query to a nameserver.">ldns_resolver_query</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keyword">const</span> <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *name,
<a name="l00983"></a>00983 <a class="code" href="rr_8h.html#a5b71c1de711a178f6fbda5d684cdfed5">ldns_rr_type</a> t, <a class="code" href="rr_8h.html#aa11e99c7e7c630e03373f2a2cafc4ee9">ldns_rr_class</a> c, uint16_t flags)
<a name="l00984"></a>00984 {
<a name="l00985"></a>00985 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *newname;
<a name="l00986"></a>00986 <a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> *pkt;
<a name="l00987"></a>00987 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a> status;
<a name="l00988"></a>00988
<a name="l00989"></a>00989 pkt = NULL;
<a name="l00990"></a>00990
<a name="l00991"></a>00991 <span class="keywordflow">if</span> (!<a class="code" href="resolver_8c.html#a8806f1c00f0e598b2aa1d971526ed483" title="Does the resolver apply default domain name.">ldns_resolver_defnames</a>(r)) {
<a name="l00992"></a>00992 status = <a class="code" href="resolver_8c.html#afabcb49d64a677c3d682fc0e8d362da9" title="Send the query for name as-is.">ldns_resolver_send</a>(&pkt, (<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *)r, name,
<a name="l00993"></a>00993 t, c, flags);
<a name="l00994"></a>00994 <span class="keywordflow">if</span> (status == <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>) {
<a name="l00995"></a>00995 <span class="keywordflow">return</span> pkt;
<a name="l00996"></a>00996 } <span class="keywordflow">else</span> {
<a name="l00997"></a>00997 <span class="keywordflow">if</span> (pkt) {
<a name="l00998"></a>00998 <a class="code" href="packet_8c.html#a05bd6d99b1f608238c67b84449724c16" title="frees the packet structure and all data that it contains.">ldns_pkt_free</a>(pkt);
<a name="l00999"></a>00999 }
<a name="l01000"></a>01000 <span class="keywordflow">return</span> NULL;
<a name="l01001"></a>01001 }
<a name="l01002"></a>01002 }
<a name="l01003"></a>01003
<a name="l01004"></a>01004 <span class="keywordflow">if</span> (!<a class="code" href="resolver_8c.html#a8f875737856dfe40228d8059e983d043" title="What is the default dname to add to relative queries.">ldns_resolver_domain</a>(r)) {
<a name="l01005"></a>01005 <span class="comment">/* _defnames is set, but the domain is not....?? */</span>
<a name="l01006"></a>01006 status = <a class="code" href="resolver_8c.html#afabcb49d64a677c3d682fc0e8d362da9" title="Send the query for name as-is.">ldns_resolver_send</a>(&pkt, (<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *)r, name,
<a name="l01007"></a>01007 t, c, flags);
<a name="l01008"></a>01008 <span class="keywordflow">if</span> (status == <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>) {
<a name="l01009"></a>01009 <span class="keywordflow">return</span> pkt;
<a name="l01010"></a>01010 } <span class="keywordflow">else</span> {
<a name="l01011"></a>01011 <span class="keywordflow">if</span> (pkt) {
<a name="l01012"></a>01012 <a class="code" href="packet_8c.html#a05bd6d99b1f608238c67b84449724c16" title="frees the packet structure and all data that it contains.">ldns_pkt_free</a>(pkt);
<a name="l01013"></a>01013 }
<a name="l01014"></a>01014 <span class="keywordflow">return</span> NULL;
<a name="l01015"></a>01015 }
<a name="l01016"></a>01016 }
<a name="l01017"></a>01017
<a name="l01018"></a>01018 newname = <a class="code" href="dname_8c.html#a216c2af6beeedff58f9275fcb420fbde" title="concatenates two dnames together">ldns_dname_cat_clone</a>((<span class="keyword">const</span> <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a>*)name, <a class="code" href="resolver_8c.html#a8f875737856dfe40228d8059e983d043" title="What is the default dname to add to relative queries.">ldns_resolver_domain</a>(r));
<a name="l01019"></a>01019 <span class="keywordflow">if</span> (!newname) {
<a name="l01020"></a>01020 <span class="keywordflow">if</span> (pkt) {
<a name="l01021"></a>01021 <a class="code" href="packet_8c.html#a05bd6d99b1f608238c67b84449724c16" title="frees the packet structure and all data that it contains.">ldns_pkt_free</a>(pkt);
<a name="l01022"></a>01022 }
<a name="l01023"></a>01023 <span class="keywordflow">return</span> NULL;
<a name="l01024"></a>01024 }
<a name="l01025"></a>01025
<a name="l01026"></a>01026 (void)<a class="code" href="resolver_8c.html#afabcb49d64a677c3d682fc0e8d362da9" title="Send the query for name as-is.">ldns_resolver_send</a>(&pkt, (<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *)r, newname, t, c,
<a name="l01027"></a>01027 flags);
<a name="l01028"></a>01028
<a name="l01029"></a>01029 <a class="code" href="rdata_8c.html#ae31cf54f363a70e01db4b6d15c3ad190" title="frees a rdf structure, leaving the data pointer intact.">ldns_rdf_free</a>(newname);
<a name="l01030"></a>01030
<a name="l01031"></a>01031 <span class="keywordflow">return</span> pkt;
<a name="l01032"></a>01032 }
<a name="l01033"></a>01033
<a name="l01034"></a>01034 <span class="keyword">static</span> <span class="keywordtype">size_t</span> *
<a name="l01035"></a>01035 ldns_resolver_backup_rtt(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l01036"></a>01036 {
<a name="l01037"></a>01037 <span class="keywordtype">size_t</span> *new_rtt;
<a name="l01038"></a>01038 <span class="keywordtype">size_t</span> *old_rtt = <a class="code" href="resolver_8c.html#a9d5f40f133fd13433603e15eea5a077b" title="Return the used round trip times for the nameservers.">ldns_resolver_rtt</a>(r);
<a name="l01039"></a>01039
<a name="l01040"></a>01040 <span class="keywordflow">if</span> (old_rtt && <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r)) {
<a name="l01041"></a>01041 new_rtt = <a class="code" href="util_8h.html#aaad6949daea3c6cefd01d19300f6e21a">LDNS_XMALLOC</a>(<span class="keywordtype">size_t</span>
<a name="l01042"></a>01042 , <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r));
<a name="l01043"></a>01043 memcpy(new_rtt, old_rtt, <span class="keyword">sizeof</span>(<span class="keywordtype">size_t</span>)
<a name="l01044"></a>01044 * <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r));
<a name="l01045"></a>01045 <a class="code" href="resolver_8c.html#a6d34b721e72bc74efd601968005ec4de" title="Set round trip time for all nameservers.">ldns_resolver_set_rtt</a>(r, new_rtt);
<a name="l01046"></a>01046 <span class="keywordflow">return</span> old_rtt;
<a name="l01047"></a>01047 }
<a name="l01048"></a>01048 <span class="keywordflow">return</span> NULL;
<a name="l01049"></a>01049 }
<a name="l01050"></a>01050
<a name="l01051"></a>01051 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l01052"></a>01052 ldns_resolver_restore_rtt(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keywordtype">size_t</span> *old_rtt)
<a name="l01053"></a>01053 {
<a name="l01054"></a>01054 <span class="keywordtype">size_t</span> *cur_rtt = <a class="code" href="resolver_8c.html#a9d5f40f133fd13433603e15eea5a077b" title="Return the used round trip times for the nameservers.">ldns_resolver_rtt</a>(r);
<a name="l01055"></a>01055
<a name="l01056"></a>01056 <span class="keywordflow">if</span> (cur_rtt) {
<a name="l01057"></a>01057 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(cur_rtt);
<a name="l01058"></a>01058 }
<a name="l01059"></a>01059 <a class="code" href="resolver_8c.html#a6d34b721e72bc74efd601968005ec4de" title="Set round trip time for all nameservers.">ldns_resolver_set_rtt</a>(r, old_rtt);
<a name="l01060"></a>01060 }
<a name="l01061"></a>01061
<a name="l01062"></a>01062 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l01063"></a><a class="code" href="resolver_8h.html#af90dc5b176e210bc66d9346875a1c8e8">01063</a> <a class="code" href="resolver_8c.html#af90dc5b176e210bc66d9346875a1c8e8" title="Send the given packet to a nameserver.">ldns_resolver_send_pkt</a>(<a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> **answer, <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r,
<a name="l01064"></a>01064 <a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> *query_pkt)
<a name="l01065"></a>01065 {
<a name="l01066"></a>01066 <a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> *answer_pkt = NULL;
<a name="l01067"></a>01067 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a> stat = <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>;
<a name="l01068"></a>01068 <span class="keywordtype">size_t</span> *rtt;
<a name="l01069"></a>01069
<a name="l01070"></a>01070 stat = <a class="code" href="net_8c.html#a42475d77dddb17b023b3fd026b32df02" title="Sends ptk to the nameserver at the resolver object.">ldns_send</a>(&answer_pkt, (<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *)r, query_pkt);
<a name="l01071"></a>01071 <span class="keywordflow">if</span> (stat != <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>) {
<a name="l01072"></a>01072 <span class="keywordflow">if</span>(answer_pkt) {
<a name="l01073"></a>01073 <a class="code" href="packet_8c.html#a05bd6d99b1f608238c67b84449724c16" title="frees the packet structure and all data that it contains.">ldns_pkt_free</a>(answer_pkt);
<a name="l01074"></a>01074 answer_pkt = NULL;
<a name="l01075"></a>01075 }
<a name="l01076"></a>01076 } <span class="keywordflow">else</span> {
<a name="l01077"></a>01077 <span class="comment">/* if tc=1 fall back to EDNS and/or TCP */</span>
<a name="l01078"></a>01078 <span class="comment">/* check for tcp first (otherwise we don't care about tc=1) */</span>
<a name="l01079"></a>01079 <span class="keywordflow">if</span> (!<a class="code" href="resolver_8c.html#a45a83b6f43d816b98c176c23d7772e07" title="Does the resolver use tcp or udp.">ldns_resolver_usevc</a>(r) && <a class="code" href="resolver_8c.html#a9ecad2896b716863c0ae45fbfd0814d2" title="Get the truncation fallback status.">ldns_resolver_fallback</a>(r)) {
<a name="l01080"></a>01080 <span class="keywordflow">if</span> (<a class="code" href="packet_8c.html#af68cefc5ba30989f5ab3bde0f0ffd6d5" title="Read the packet's tc bit.">ldns_pkt_tc</a>(answer_pkt)) {
<a name="l01081"></a>01081 <span class="comment">/* was EDNS0 set? */</span>
<a name="l01082"></a>01082 <span class="keywordflow">if</span> (<a class="code" href="packet_8c.html#afc049180b6ff8b892f9ea80a13bf4990" title="return the packet's edns udp size">ldns_pkt_edns_udp_size</a>(query_pkt) == 0) {
<a name="l01083"></a>01083 <a class="code" href="packet_8c.html#a2f838fd8f8a7d2e1c1039df0869cdc66" title="Set the packet's edns udp size.">ldns_pkt_set_edns_udp_size</a>(query_pkt
<a name="l01084"></a>01084 , 4096);
<a name="l01085"></a>01085 <a class="code" href="packet_8c.html#a05bd6d99b1f608238c67b84449724c16" title="frees the packet structure and all data that it contains.">ldns_pkt_free</a>(answer_pkt);
<a name="l01086"></a>01086 <span class="comment">/* Nameservers should not become </span>
<a name="l01087"></a>01087 <span class="comment"> * unreachable because fragments are</span>
<a name="l01088"></a>01088 <span class="comment"> * dropped (network error). We might</span>
<a name="l01089"></a>01089 <span class="comment"> * still have success with TCP.</span>
<a name="l01090"></a>01090 <span class="comment"> * Therefore maintain reachability</span>
<a name="l01091"></a>01091 <span class="comment"> * statuses of the nameservers by</span>
<a name="l01092"></a>01092 <span class="comment"> * backup and restore the rtt list.</span>
<a name="l01093"></a>01093 <span class="comment"> */</span>
<a name="l01094"></a>01094 rtt = ldns_resolver_backup_rtt(r);
<a name="l01095"></a>01095 stat = <a class="code" href="net_8c.html#a42475d77dddb17b023b3fd026b32df02" title="Sends ptk to the nameserver at the resolver object.">ldns_send</a>(&answer_pkt, r
<a name="l01096"></a>01096 , query_pkt);
<a name="l01097"></a>01097 ldns_resolver_restore_rtt(r, rtt);
<a name="l01098"></a>01098 }
<a name="l01099"></a>01099 <span class="comment">/* either way, if it is still truncated, use TCP */</span>
<a name="l01100"></a>01100 <span class="keywordflow">if</span> (stat != <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a> ||
<a name="l01101"></a>01101 <a class="code" href="packet_8c.html#af68cefc5ba30989f5ab3bde0f0ffd6d5" title="Read the packet's tc bit.">ldns_pkt_tc</a>(answer_pkt)) {
<a name="l01102"></a>01102 <a class="code" href="resolver_8c.html#a3a1711ef15c70cbd37dec56dd1421cc6" title="Whether the resolver uses a virtual circuit (TCP)">ldns_resolver_set_usevc</a>(r, <span class="keyword">true</span>);
<a name="l01103"></a>01103 <a class="code" href="packet_8c.html#a05bd6d99b1f608238c67b84449724c16" title="frees the packet structure and all data that it contains.">ldns_pkt_free</a>(answer_pkt);
<a name="l01104"></a>01104 stat = <a class="code" href="net_8c.html#a42475d77dddb17b023b3fd026b32df02" title="Sends ptk to the nameserver at the resolver object.">ldns_send</a>(&answer_pkt, r, query_pkt);
<a name="l01105"></a>01105 <a class="code" href="resolver_8c.html#a3a1711ef15c70cbd37dec56dd1421cc6" title="Whether the resolver uses a virtual circuit (TCP)">ldns_resolver_set_usevc</a>(r, <span class="keyword">false</span>);
<a name="l01106"></a>01106 }
<a name="l01107"></a>01107 }
<a name="l01108"></a>01108 }
<a name="l01109"></a>01109 }
<a name="l01110"></a>01110
<a name="l01111"></a>01111 <span class="keywordflow">if</span> (answer) {
<a name="l01112"></a>01112 *answer = answer_pkt;
<a name="l01113"></a>01113 }
<a name="l01114"></a>01114
<a name="l01115"></a>01115 <span class="keywordflow">return</span> stat;
<a name="l01116"></a>01116 }
<a name="l01117"></a>01117
<a name="l01118"></a>01118 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l01119"></a><a class="code" href="resolver_8h.html#a28e4328c10e1c1e075bcb4713dcde5d1">01119</a> <a class="code" href="resolver_8c.html#a6971f59adba5df65f92cc6cd71a753c5" title="Form a query packet from a resolver and name/type/class combo.">ldns_resolver_prepare_query_pkt</a>(<a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> **query_pkt, <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r,
<a name="l01120"></a>01120 <span class="keyword">const</span> <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *name, <a class="code" href="rr_8h.html#a5b71c1de711a178f6fbda5d684cdfed5">ldns_rr_type</a> t,
<a name="l01121"></a>01121 <a class="code" href="rr_8h.html#aa11e99c7e7c630e03373f2a2cafc4ee9">ldns_rr_class</a> c, uint16_t flags)
<a name="l01122"></a>01122 {
<a name="l01123"></a>01123 <span class="keyword">struct </span>timeval now;
<a name="l01124"></a>01124
<a name="l01125"></a>01125 <span class="comment">/* prepare a question pkt from the parameters</span>
<a name="l01126"></a>01126 <span class="comment"> * and then send this */</span>
<a name="l01127"></a>01127 *query_pkt = <a class="code" href="packet_8c.html#af7eee9c15b0f645d5b5855ef15c4596c" title="creates a packet with a query in it for the given name, type and class.">ldns_pkt_query_new</a>(<a class="code" href="rdata_8c.html#af9a39f2f8b749efa6a20ba91cb696961" title="clones a rdf structure.">ldns_rdf_clone</a>(name), t, c, flags);
<a name="l01128"></a>01128 <span class="keywordflow">if</span> (!*query_pkt) {
<a name="l01129"></a>01129 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa804a996d5f13cda0806bf1d54114d2ca">LDNS_STATUS_ERR</a>;
<a name="l01130"></a>01130 }
<a name="l01131"></a>01131
<a name="l01132"></a>01132 <span class="comment">/* set DO bit if necessary */</span>
<a name="l01133"></a>01133 <span class="keywordflow">if</span> (<a class="code" href="resolver_8c.html#a1e3b8b2dbf07f5e03ac31842b829a63e" title="Does the resolver do DNSSEC.">ldns_resolver_dnssec</a>(r)) {
<a name="l01134"></a>01134 <span class="keywordflow">if</span> (<a class="code" href="resolver_8c.html#a9140fe1e1f05594c899fd9ecde074feb" title="Get the resolver's udp size.">ldns_resolver_edns_udp_size</a>(r) == 0) {
<a name="l01135"></a>01135 <a class="code" href="resolver_8c.html#a00224ddf7980d40143414afd094d2ecc" title="Set maximum udp size.">ldns_resolver_set_edns_udp_size</a>(r, 4096);
<a name="l01136"></a>01136 }
<a name="l01137"></a>01137 <a class="code" href="packet_8c.html#a8701a54724e418fa28905f5bb15d2b04" title="Set the packet's edns do bit.">ldns_pkt_set_edns_do</a>(*query_pkt, <span class="keyword">true</span>);
<a name="l01138"></a>01138 <span class="keywordflow">if</span> (<a class="code" href="resolver_8c.html#a7eaa8535be020eaf95e37c993d09b9e4" title="Does the resolver set the CD bit.">ldns_resolver_dnssec_cd</a>(r) || (flags & <a class="code" href="packet_8h.html#a3c24bf1d1dbf15f5ab3fd3ba31c3660e">LDNS_CD</a>)) {
<a name="l01139"></a>01139 <a class="code" href="packet_8c.html#a7f6bdee14007649153092d2114894665" title="Set the packet's cd bit.">ldns_pkt_set_cd</a>(*query_pkt, <span class="keyword">true</span>);
<a name="l01140"></a>01140 }
<a name="l01141"></a>01141 }
<a name="l01142"></a>01142
<a name="l01143"></a>01143 <span class="comment">/* transfer the udp_edns_size from the resolver to the packet */</span>
<a name="l01144"></a>01144 <span class="keywordflow">if</span> (<a class="code" href="resolver_8c.html#a9140fe1e1f05594c899fd9ecde074feb" title="Get the resolver's udp size.">ldns_resolver_edns_udp_size</a>(r) != 0) {
<a name="l01145"></a>01145 <a class="code" href="packet_8c.html#a2f838fd8f8a7d2e1c1039df0869cdc66" title="Set the packet's edns udp size.">ldns_pkt_set_edns_udp_size</a>(*query_pkt, <a class="code" href="resolver_8c.html#a9140fe1e1f05594c899fd9ecde074feb" title="Get the resolver's udp size.">ldns_resolver_edns_udp_size</a>(r));
<a name="l01146"></a>01146 }
<a name="l01147"></a>01147
<a name="l01148"></a>01148 <span class="comment">/* set the timestamp */</span>
<a name="l01149"></a>01149 now.tv_sec = time(NULL);
<a name="l01150"></a>01150 now.tv_usec = 0;
<a name="l01151"></a>01151 <a class="code" href="packet_8c.html#a5568dc152297e14f728d8f94fa66edbe" title="Set the packet's timestamp.">ldns_pkt_set_timestamp</a>(*query_pkt, now);
<a name="l01152"></a>01152
<a name="l01153"></a>01153
<a name="l01154"></a>01154 <span class="keywordflow">if</span> (<a class="code" href="resolver_8c.html#a51023e38c9923909fc988d57471e831c" title="Get the debug status of the resolver.">ldns_resolver_debug</a>(r)) {
<a name="l01155"></a>01155 <a class="code" href="host2str_8c.html#ad0f816042c4e1bf8e5c5486a80518b68" title="Prints the data in the DNS packet to the given file stream (in presentation format)">ldns_pkt_print</a>(stdout, *query_pkt);
<a name="l01156"></a>01156 }
<a name="l01157"></a>01157
<a name="l01158"></a>01158 <span class="comment">/* only set the id if it is not set yet */</span>
<a name="l01159"></a>01159 <span class="keywordflow">if</span> (<a class="code" href="packet_8c.html#a439764a9c9642e71cc1e65394ff4ab12" title="Read the packet id.">ldns_pkt_id</a>(*query_pkt) == 0) {
<a name="l01160"></a>01160 <a class="code" href="packet_8c.html#a34c00d474f6d869ff40829e20c95e35a" title="Set the packet's id to a random value.">ldns_pkt_set_random_id</a>(*query_pkt);
<a name="l01161"></a>01161 }
<a name="l01162"></a>01162
<a name="l01163"></a>01163 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>;
<a name="l01164"></a>01164 }
<a name="l01165"></a>01165
<a name="l01166"></a>01166
<a name="l01167"></a>01167 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l01168"></a><a class="code" href="resolver_8h.html#afabcb49d64a677c3d682fc0e8d362da9">01168</a> <a class="code" href="resolver_8c.html#afabcb49d64a677c3d682fc0e8d362da9" title="Send the query for name as-is.">ldns_resolver_send</a>(<a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> **answer, <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r, <span class="keyword">const</span> <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *name,
<a name="l01169"></a>01169 <a class="code" href="rr_8h.html#a5b71c1de711a178f6fbda5d684cdfed5">ldns_rr_type</a> t, <a class="code" href="rr_8h.html#aa11e99c7e7c630e03373f2a2cafc4ee9">ldns_rr_class</a> c, uint16_t flags)
<a name="l01170"></a>01170 {
<a name="l01171"></a>01171 <a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> *query_pkt;
<a name="l01172"></a>01172 <a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> *answer_pkt;
<a name="l01173"></a>01173 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a> status;
<a name="l01174"></a>01174
<a name="l01175"></a>01175 assert(r != NULL);
<a name="l01176"></a>01176 assert(name != NULL);
<a name="l01177"></a>01177
<a name="l01178"></a>01178 answer_pkt = NULL;
<a name="l01179"></a>01179
<a name="l01180"></a>01180 <span class="comment">/* do all the preprocessing here, then fire of an query to</span>
<a name="l01181"></a>01181 <span class="comment"> * the network */</span>
<a name="l01182"></a>01182
<a name="l01183"></a>01183 <span class="keywordflow">if</span> (0 == t) {
<a name="l01184"></a>01184 t= <a class="code" href="rr_8h.html#a640100112b0009efe3d61bbf799b33daa1c46026dd2245d1e8b8dd17f972f34c2" title="a host address">LDNS_RR_TYPE_A</a>;
<a name="l01185"></a>01185 }
<a name="l01186"></a>01186 <span class="keywordflow">if</span> (0 == c) {
<a name="l01187"></a>01187 c= <a class="code" href="rr_8h.html#adc72070b39f210fae670577de8136600a2ad89c0befc939420e3b1157c07a8b46" title="the Internet">LDNS_RR_CLASS_IN</a>;
<a name="l01188"></a>01188 }
<a name="l01189"></a>01189 <span class="keywordflow">if</span> (0 == <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r)) {
<a name="l01190"></a>01190 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afad32d0804440e92c91eecb4bd79da4960">LDNS_STATUS_RES_NO_NS</a>;
<a name="l01191"></a>01191 }
<a name="l01192"></a>01192 <span class="keywordflow">if</span> (<a class="code" href="rdata_8c.html#a240f7f36c145f6189df4f14ca5bc3a82" title="returns the type of the rdf.">ldns_rdf_get_type</a>(name) != <a class="code" href="rdata_8h.html#aaa92376014f0abbf0110ca6efd587bb9a72cb73467bcbfbb41168e2a2b4a8283a" title="domain name">LDNS_RDF_TYPE_DNAME</a>) {
<a name="l01193"></a>01193 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afabbdff8b56af081d324d5936919338c27">LDNS_STATUS_RES_QUERY</a>;
<a name="l01194"></a>01194 }
<a name="l01195"></a>01195
<a name="l01196"></a>01196 status = <a class="code" href="resolver_8c.html#a6971f59adba5df65f92cc6cd71a753c5" title="Form a query packet from a resolver and name/type/class combo.">ldns_resolver_prepare_query_pkt</a>(&query_pkt, r, name,
<a name="l01197"></a>01197 t, c, flags);
<a name="l01198"></a>01198 <span class="keywordflow">if</span> (status != <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>) {
<a name="l01199"></a>01199 <span class="keywordflow">return</span> status;
<a name="l01200"></a>01200 }
<a name="l01201"></a>01201
<a name="l01202"></a>01202 <span class="comment">/* if tsig values are set, tsign it */</span>
<a name="l01203"></a>01203 <span class="comment">/* TODO: make last 3 arguments optional too? maybe make complete</span>
<a name="l01204"></a>01204 <span class="comment"> rr instead of seperate values in resolver (and packet)</span>
<a name="l01205"></a>01205 <span class="comment"> Jelte</span>
<a name="l01206"></a>01206 <span class="comment"> should this go in pkt_prepare?</span>
<a name="l01207"></a>01207 <span class="comment"> */</span>
<a name="l01208"></a>01208 <span class="keywordflow">if</span> (<a class="code" href="resolver_8c.html#a262ac7450159c115060ec464a4a5af6e" title="Return the tsig keyname as used by the nameserver.">ldns_resolver_tsig_keyname</a>(r) && <a class="code" href="resolver_8c.html#abc7e0d0e3960348f774164d34af3013b" title="Return the tsig keydata as used by the nameserver.">ldns_resolver_tsig_keydata</a>(r)) {
<a name="l01209"></a>01209 <span class="preprocessor">#ifdef HAVE_SSL</span>
<a name="l01210"></a>01210 <span class="preprocessor"></span> status = <a class="code" href="tsig_8c.html#a77501f37821c68328382bccdca956805" title="creates a tsig rr for the given packet and key.">ldns_pkt_tsig_sign</a>(query_pkt,
<a name="l01211"></a>01211 <a class="code" href="resolver_8c.html#a262ac7450159c115060ec464a4a5af6e" title="Return the tsig keyname as used by the nameserver.">ldns_resolver_tsig_keyname</a>(r),
<a name="l01212"></a>01212 <a class="code" href="resolver_8c.html#abc7e0d0e3960348f774164d34af3013b" title="Return the tsig keydata as used by the nameserver.">ldns_resolver_tsig_keydata</a>(r),
<a name="l01213"></a>01213 300, <a class="code" href="resolver_8c.html#a1fd4b31d628081e3d6dafdd389bfea0a" title="Return the tsig algorithm as used by the nameserver.">ldns_resolver_tsig_algorithm</a>(r), NULL);
<a name="l01214"></a>01214 <span class="keywordflow">if</span> (status != <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>) {
<a name="l01215"></a>01215 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afacc0113e61fc41216a1f417d7e894ed88">LDNS_STATUS_CRYPTO_TSIG_ERR</a>;
<a name="l01216"></a>01216 }
<a name="l01217"></a>01217 <span class="preprocessor">#else</span>
<a name="l01218"></a>01218 <span class="preprocessor"></span> <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afacc0113e61fc41216a1f417d7e894ed88">LDNS_STATUS_CRYPTO_TSIG_ERR</a>;
<a name="l01219"></a>01219 <span class="preprocessor">#endif </span><span class="comment">/* HAVE_SSL */</span>
<a name="l01220"></a>01220 }
<a name="l01221"></a>01221
<a name="l01222"></a>01222 status = <a class="code" href="resolver_8c.html#af90dc5b176e210bc66d9346875a1c8e8" title="Send the given packet to a nameserver.">ldns_resolver_send_pkt</a>(&answer_pkt, r, query_pkt);
<a name="l01223"></a>01223 <a class="code" href="packet_8c.html#a05bd6d99b1f608238c67b84449724c16" title="frees the packet structure and all data that it contains.">ldns_pkt_free</a>(query_pkt);
<a name="l01224"></a>01224
<a name="l01225"></a>01225 <span class="comment">/* allows answer to be NULL when not interested in return value */</span>
<a name="l01226"></a>01226 <span class="keywordflow">if</span> (answer) {
<a name="l01227"></a>01227 *answer = answer_pkt;
<a name="l01228"></a>01228 }
<a name="l01229"></a>01229 <span class="keywordflow">return</span> status;
<a name="l01230"></a>01230 }
<a name="l01231"></a>01231
<a name="l01232"></a>01232 <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *
<a name="l01233"></a><a class="code" href="resolver_8h.html#a1a7b1ec34a9934194e1c575827a40f26">01233</a> <a class="code" href="resolver_8c.html#a1a7b1ec34a9934194e1c575827a40f26" title="Get the next stream of RRs in a AXFR.">ldns_axfr_next</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *resolver)
<a name="l01234"></a>01234 {
<a name="l01235"></a>01235 <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *cur_rr;
<a name="l01236"></a>01236 uint8_t *packet_wire;
<a name="l01237"></a>01237 <span class="keywordtype">size_t</span> packet_wire_size;
<a name="l01238"></a>01238 <a class="code" href="structldns__struct__lookup__table.html" title="A general purpose lookup table.">ldns_lookup_table</a> *rcode;
<a name="l01239"></a>01239 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a> status;
<a name="l01240"></a>01240
<a name="l01241"></a>01241 <span class="comment">/* check if start() has been called */</span>
<a name="l01242"></a>01242 <span class="keywordflow">if</span> (!resolver || resolver-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a> == 0) {
<a name="l01243"></a>01243 <span class="keywordflow">return</span> NULL;
<a name="l01244"></a>01244 }
<a name="l01245"></a>01245
<a name="l01246"></a>01246 <span class="keywordflow">if</span> (resolver-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a>) {
<a name="l01247"></a>01247 <span class="keywordflow">if</span> (resolver-><a class="code" href="structldns__struct__resolver.html#a0f8cc85c600aa75434eb6b6915a4ef55" title="Counter for within the AXFR packets.">_axfr_i</a> == <a class="code" href="packet_8c.html#a801e0c9c3766dde74347793984ecd417" title="Return the packet's an count.">ldns_pkt_ancount</a>(resolver-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a>)) {
<a name="l01248"></a>01248 <a class="code" href="packet_8c.html#a05bd6d99b1f608238c67b84449724c16" title="frees the packet structure and all data that it contains.">ldns_pkt_free</a>(resolver-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a>);
<a name="l01249"></a>01249 resolver-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a> = NULL;
<a name="l01250"></a>01250 <span class="keywordflow">return</span> <a class="code" href="resolver_8c.html#a1a7b1ec34a9934194e1c575827a40f26" title="Get the next stream of RRs in a AXFR.">ldns_axfr_next</a>(resolver);
<a name="l01251"></a>01251 }
<a name="l01252"></a>01252 cur_rr = <a class="code" href="rr_8c.html#adcb1e754775e6f7bf64dc2ac860671df" title="clones a rr and all its data">ldns_rr_clone</a>(<a class="code" href="rr_8c.html#a07b1ccea9f2694b8b88904c543e16783" title="returns a specific rr of an rrlist.">ldns_rr_list_rr</a>(
<a name="l01253"></a>01253 <a class="code" href="packet_8c.html#abe3507def1f75f9a369334f75a4b4799" title="Return the packet's answer section.">ldns_pkt_answer</a>(resolver-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a>),
<a name="l01254"></a>01254 resolver-><a class="code" href="structldns__struct__resolver.html#a0f8cc85c600aa75434eb6b6915a4ef55" title="Counter for within the AXFR packets.">_axfr_i</a>));
<a name="l01255"></a>01255 resolver-><a class="code" href="structldns__struct__resolver.html#a0f8cc85c600aa75434eb6b6915a4ef55" title="Counter for within the AXFR packets.">_axfr_i</a>++;
<a name="l01256"></a>01256 <span class="keywordflow">if</span> (<a class="code" href="rr_8c.html#a849c616b8e8d87b8c047a8b41be21228" title="returns the type of the rr.">ldns_rr_get_type</a>(cur_rr) == <a class="code" href="rr_8h.html#a640100112b0009efe3d61bbf799b33daa367b06e16e9a68d994130aedec1c3bdb" title="marks the start of a zone of authority">LDNS_RR_TYPE_SOA</a>) {
<a name="l01257"></a>01257 resolver-><a class="code" href="structldns__struct__resolver.html#aaedcf2f47f8c62eac7a75fbe5d6a7b43" title="Count the number of LDNS_RR_TYPE_SOA RRs we have seen so far (the second one signifies the end of the...">_axfr_soa_count</a>++;
<a name="l01258"></a>01258 <span class="keywordflow">if</span> (resolver-><a class="code" href="structldns__struct__resolver.html#aaedcf2f47f8c62eac7a75fbe5d6a7b43" title="Count the number of LDNS_RR_TYPE_SOA RRs we have seen so far (the second one signifies the end of the...">_axfr_soa_count</a> >= 2) {
<a name="l01259"></a>01259 <span class="preprocessor">#ifndef USE_WINSOCK</span>
<a name="l01260"></a>01260 <span class="preprocessor"></span> close(resolver-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a>);
<a name="l01261"></a>01261 <span class="preprocessor">#else</span>
<a name="l01262"></a>01262 <span class="preprocessor"></span> closesocket(resolver-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a>);
<a name="l01263"></a>01263 <span class="preprocessor">#endif</span>
<a name="l01264"></a>01264 <span class="preprocessor"></span> resolver-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a> = 0;
<a name="l01265"></a>01265 <a class="code" href="packet_8c.html#a05bd6d99b1f608238c67b84449724c16" title="frees the packet structure and all data that it contains.">ldns_pkt_free</a>(resolver-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a>);
<a name="l01266"></a>01266 resolver-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a> = NULL;
<a name="l01267"></a>01267 }
<a name="l01268"></a>01268 }
<a name="l01269"></a>01269 <span class="keywordflow">return</span> cur_rr;
<a name="l01270"></a>01270 } <span class="keywordflow">else</span> {
<a name="l01271"></a>01271 packet_wire = <a class="code" href="net_8c.html#a3f7bd944f2cb1ea28bd8dd056c16e07d" title="This routine may block.">ldns_tcp_read_wire</a>(resolver-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a>, &packet_wire_size);
<a name="l01272"></a>01272 <span class="keywordflow">if</span>(!packet_wire)
<a name="l01273"></a>01273 <span class="keywordflow">return</span> NULL;
<a name="l01274"></a>01274
<a name="l01275"></a>01275 status = <a class="code" href="wire2host_8c.html#a97a3e0f9c50711f7dcaa5850c6356e09" title="converts the data on the uint8_t bytearray (in wire format) to a DNS packet.">ldns_wire2pkt</a>(&resolver-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a>, packet_wire,
<a name="l01276"></a>01276 packet_wire_size);
<a name="l01277"></a>01277 free(packet_wire);
<a name="l01278"></a>01278
<a name="l01279"></a>01279 resolver-><a class="code" href="structldns__struct__resolver.html#a0f8cc85c600aa75434eb6b6915a4ef55" title="Counter for within the AXFR packets.">_axfr_i</a> = 0;
<a name="l01280"></a>01280 <span class="keywordflow">if</span> (status != <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>) {
<a name="l01281"></a>01281 <span class="comment">/* TODO: make status return type of this function (...api change) */</span>
<a name="l01282"></a>01282 fprintf(stderr, <span class="stringliteral">"Error parsing rr during AXFR: %s\n"</span>, <a class="code" href="error_8c.html#a4005bb78082a40de485f947470fa5017" title="look up a descriptive text by each error.">ldns_get_errorstr_by_id</a>(status));
<a name="l01283"></a>01283
<a name="l01284"></a>01284 <span class="comment">/* RoRi: we must now also close the socket, otherwise subsequent uses of the</span>
<a name="l01285"></a>01285 <span class="comment"> same resolver structure will fail because the link is still open or</span>
<a name="l01286"></a>01286 <span class="comment"> in an undefined state */</span>
<a name="l01287"></a>01287 <span class="preprocessor">#ifndef USE_WINSOCK</span>
<a name="l01288"></a>01288 <span class="preprocessor"></span> close(resolver-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a>);
<a name="l01289"></a>01289 <span class="preprocessor">#else</span>
<a name="l01290"></a>01290 <span class="preprocessor"></span> closesocket(resolver-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a>);
<a name="l01291"></a>01291 <span class="preprocessor">#endif</span>
<a name="l01292"></a>01292 <span class="preprocessor"></span> resolver-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a> = 0;
<a name="l01293"></a>01293
<a name="l01294"></a>01294 <span class="keywordflow">return</span> NULL;
<a name="l01295"></a>01295 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="packet_8c.html#af4256a808233651ea1a5bdab74ce2d8e" title="Return the packet's respons code.">ldns_pkt_get_rcode</a>(resolver-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a>) != 0) {
<a name="l01296"></a>01296 rcode = <a class="code" href="util_8c.html#a42a73e82a0f0bf3ee979190b9cf81957">ldns_lookup_by_id</a>(<a class="code" href="host2str_8c.html#a3706e74a86ba7d7753996b9e889e0419" title="Response codes.">ldns_rcodes</a>, (<span class="keywordtype">int</span>) <a class="code" href="packet_8c.html#af4256a808233651ea1a5bdab74ce2d8e" title="Return the packet's respons code.">ldns_pkt_get_rcode</a>(resolver-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a>));
<a name="l01297"></a>01297 fprintf(stderr, <span class="stringliteral">"Error in AXFR: %s\n"</span>, rcode-><a class="code" href="structldns__struct__lookup__table.html#a45da7ee10e4b7902018fba6dfae2396c">name</a>);
<a name="l01298"></a>01298
<a name="l01299"></a>01299 <span class="comment">/* RoRi: we must now also close the socket, otherwise subsequent uses of the</span>
<a name="l01300"></a>01300 <span class="comment"> same resolver structure will fail because the link is still open or</span>
<a name="l01301"></a>01301 <span class="comment"> in an undefined state */</span>
<a name="l01302"></a>01302 <span class="preprocessor">#ifndef USE_WINSOCK</span>
<a name="l01303"></a>01303 <span class="preprocessor"></span> close(resolver-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a>);
<a name="l01304"></a>01304 <span class="preprocessor">#else</span>
<a name="l01305"></a>01305 <span class="preprocessor"></span> closesocket(resolver-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a>);
<a name="l01306"></a>01306 <span class="preprocessor">#endif</span>
<a name="l01307"></a>01307 <span class="preprocessor"></span> resolver-><a class="code" href="structldns__struct__resolver.html#a081c69a516208b5270a1cfa33c94185c" title="Keep some things to make AXFR possible.">_socket</a> = 0;
<a name="l01308"></a>01308
<a name="l01309"></a>01309 <span class="keywordflow">return</span> NULL;
<a name="l01310"></a>01310 } <span class="keywordflow">else</span> {
<a name="l01311"></a>01311 <span class="keywordflow">return</span> <a class="code" href="resolver_8c.html#a1a7b1ec34a9934194e1c575827a40f26" title="Get the next stream of RRs in a AXFR.">ldns_axfr_next</a>(resolver);
<a name="l01312"></a>01312 }
<a name="l01313"></a>01313
<a name="l01314"></a>01314 }
<a name="l01315"></a>01315
<a name="l01316"></a>01316 }
<a name="l01317"></a>01317
<a name="l01318"></a>01318 <span class="keywordtype">bool</span>
<a name="l01319"></a><a class="code" href="resolver_8h.html#a7559bf0b9082ec173eab28afd0c3a7d7">01319</a> <a class="code" href="resolver_8c.html#a7922e76fb811df934cf9a95cecfaedd6" title="Returns true if the axfr transfer has completed (i.e.">ldns_axfr_complete</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *res)
<a name="l01320"></a>01320 {
<a name="l01321"></a>01321 <span class="comment">/* complete when soa count is 2? */</span>
<a name="l01322"></a>01322 <span class="keywordflow">return</span> res-><a class="code" href="structldns__struct__resolver.html#aaedcf2f47f8c62eac7a75fbe5d6a7b43" title="Count the number of LDNS_RR_TYPE_SOA RRs we have seen so far (the second one signifies the end of the...">_axfr_soa_count</a> == 2;
<a name="l01323"></a>01323 }
<a name="l01324"></a>01324
<a name="l01325"></a>01325 <a class="code" href="structldns__struct__pkt.html" title="DNS packet.">ldns_pkt</a> *
<a name="l01326"></a><a class="code" href="resolver_8h.html#aa4a201a2205f5dc4226f198ac0fb122d">01326</a> <a class="code" href="resolver_8c.html#aa4a201a2205f5dc4226f198ac0fb122d" title="Returns a pointer to the last ldns_pkt that was sent by the server in the AXFR transfer uasable for i...">ldns_axfr_last_pkt</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *res)
<a name="l01327"></a>01327 {
<a name="l01328"></a>01328 <span class="keywordflow">return</span> res-><a class="code" href="structldns__struct__resolver.html#a0419793613b5550291f2aa1c5be1bc4f" title="Packet currently handled when doing part of an AXFR.">_cur_axfr_pkt</a>;
<a name="l01329"></a>01329 }
<a name="l01330"></a>01330
<a name="l01331"></a>01331 <span class="comment">/* random isn't really that good */</span>
<a name="l01332"></a>01332 <span class="keywordtype">void</span>
<a name="l01333"></a><a class="code" href="resolver_8h.html#a8550c5d04235608d78910e99a9a86f3c">01333</a> <a class="code" href="resolver_8c.html#a8550c5d04235608d78910e99a9a86f3c" title="Randomize the nameserver list in the resolver.">ldns_resolver_nameservers_randomize</a>(<a class="code" href="structldns__struct__resolver.html" title="DNS stub resolver structure.">ldns_resolver</a> *r)
<a name="l01334"></a>01334 {
<a name="l01335"></a>01335 uint16_t i, j;
<a name="l01336"></a>01336 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> **ns, *tmp;
<a name="l01337"></a>01337
<a name="l01338"></a>01338 <span class="comment">/* should I check for ldns_resolver_random?? */</span>
<a name="l01339"></a>01339 assert(r != NULL);
<a name="l01340"></a>01340
<a name="l01341"></a>01341 ns = <a class="code" href="resolver_8c.html#ac8068f8b2fa8621abb1557c3b4d95688" title="Return the configured nameserver ip address.">ldns_resolver_nameservers</a>(r);
<a name="l01342"></a>01342 <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r); i++) {
<a name="l01343"></a>01343 j = <a class="code" href="util_8c.html#ad59e2ce028b25f1fbe8d4dbdb2a5b315" title="Get random number.">ldns_get_random</a>() % <a class="code" href="resolver_8c.html#a64e6087bcfc88459e34da80077bad7eb" title="How many nameserver are configured in the resolver.">ldns_resolver_nameserver_count</a>(r);
<a name="l01344"></a>01344 tmp = ns[i];
<a name="l01345"></a>01345 ns[i] = ns[j];
<a name="l01346"></a>01346 ns[j] = tmp;
<a name="l01347"></a>01347 }
<a name="l01348"></a>01348 <a class="code" href="resolver_8c.html#a848b39b6ee119054df7b78d2423ac238" title="Set the resolver's nameserver count directly by using an rdf list.">ldns_resolver_set_nameservers</a>(r, ns);
<a name="l01349"></a>01349 }
<a name="l01350"></a>01350
</pre></div></div>
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