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<div class="title">zone.c</div> </div>
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<a href="zone_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* zone.c</span>
<a name="l00002"></a>00002 <span class="comment"> *</span>
<a name="l00003"></a>00003 <span class="comment"> * Functions for ldns_zone structure</span>
<a name="l00004"></a>00004 <span class="comment"> * a Net::DNS like library for C</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * (c) NLnet Labs, 2005-2006</span>
<a name="l00007"></a>00007 <span class="comment"> * See the file LICENSE for the license</span>
<a name="l00008"></a>00008 <span class="comment"> */</span>
<a name="l00009"></a>00009 <span class="preprocessor">#include <<a class="code" href="ldns_2config_8h.html">ldns/config.h</a>></span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <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="l00012"></a>00012
<a name="l00013"></a>00013 <span class="preprocessor">#include <strings.h></span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <limits.h></span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *
<a name="l00017"></a><a class="code" href="zone_8h.html#aae16d59c27e1f2292f8bd87604517e0c">00017</a> <a class="code" href="zone_8c.html#aae16d59c27e1f2292f8bd87604517e0c" title="Return the soa record of a zone.">ldns_zone_soa</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *z)
<a name="l00018"></a>00018 {
<a name="l00019"></a>00019 <span class="keywordflow">return</span> z-><a class="code" href="structldns__struct__zone.html#a9f1ac6ee8f183c1dc6cd18926755e709" title="the soa defines a zone">_soa</a>;
<a name="l00020"></a>00020 }
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="keywordtype">size_t</span>
<a name="l00023"></a><a class="code" href="zone_8h.html#a1d07f36a06698624a121cfe61d50df66">00023</a> <a class="code" href="zone_8c.html#a1d07f36a06698624a121cfe61d50df66" title="Returns the number of resource records in the zone, NOT counting the SOA record.">ldns_zone_rr_count</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *z)
<a name="l00024"></a>00024 {
<a name="l00025"></a>00025 <span class="keywordflow">return</span> <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>(z-><a class="code" href="structldns__struct__zone.html#a445c79fe2d1313ad669cf6963e907baa">_rrs</a>);
<a name="l00026"></a>00026 }
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="keywordtype">void</span>
<a name="l00029"></a><a class="code" href="zone_8h.html#a07b0fcc3777e44bbb8940aaeeb2e3661">00029</a> <a class="code" href="zone_8c.html#a07b0fcc3777e44bbb8940aaeeb2e3661" title="Set the zone's soa record.">ldns_zone_set_soa</a>(<a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *z, <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *soa)
<a name="l00030"></a>00030 {
<a name="l00031"></a>00031 z-><a class="code" href="structldns__struct__zone.html#a9f1ac6ee8f183c1dc6cd18926755e709" title="the soa defines a zone">_soa</a> = soa;
<a name="l00032"></a>00032 }
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *
<a name="l00035"></a><a class="code" href="zone_8h.html#a5a75b7744ea0d91770d579730a84bbf9">00035</a> <a class="code" href="zone_8c.html#a5a75b7744ea0d91770d579730a84bbf9" title="Get a list of a zone's content.">ldns_zone_rrs</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *z)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keywordflow">return</span> z-><a class="code" href="structldns__struct__zone.html#a445c79fe2d1313ad669cf6963e907baa">_rrs</a>;
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keywordtype">void</span>
<a name="l00041"></a><a class="code" href="zone_8h.html#a23fd3cc25ccd0ebc76f44746c56480f0">00041</a> <a class="code" href="zone_8c.html#a23fd3cc25ccd0ebc76f44746c56480f0" title="Set the zone's contents.">ldns_zone_set_rrs</a>(<a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *z, <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *rrlist)
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 z-><a class="code" href="structldns__struct__zone.html#a445c79fe2d1313ad669cf6963e907baa">_rrs</a> = rrlist;
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keywordtype">bool</span>
<a name="l00047"></a><a class="code" href="zone_8h.html#a73fef7a17efc9b4f48d1b11babf259a9">00047</a> <a class="code" href="zone_8c.html#a73fef7a17efc9b4f48d1b11babf259a9" title="push an rrlist to a zone structure.">ldns_zone_push_rr_list</a>(<a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *z, <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *list)
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 <span class="keywordflow">return</span> <a class="code" href="rr_8c.html#a8fb18590f1c5be0c95eb03d364ce8f25" title="concatenates two ldns_rr_lists together.">ldns_rr_list_cat</a>(<a class="code" href="zone_8c.html#a5a75b7744ea0d91770d579730a84bbf9" title="Get a list of a zone's content.">ldns_zone_rrs</a>(z), list);
<a name="l00050"></a>00050
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordtype">bool</span>
<a name="l00054"></a><a class="code" href="zone_8h.html#aa292fe9d4d934d13780d0a56de21ebe2">00054</a> <a class="code" href="zone_8c.html#aa292fe9d4d934d13780d0a56de21ebe2" title="push an single rr to a zone structure.">ldns_zone_push_rr</a>(<a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *z, <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *rr)
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <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>( <a class="code" href="zone_8c.html#a5a75b7744ea0d91770d579730a84bbf9" title="Get a list of a zone's content.">ldns_zone_rrs</a>(z), rr);
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="comment">/* return a clone of the given rr list, without the glue records</span>
<a name="l00060"></a>00060 <span class="comment"> * rr list should be the complete zone</span>
<a name="l00061"></a>00061 <span class="comment"> * if present, stripped records are added to the list *glue_records</span>
<a name="l00062"></a>00062 <span class="comment"> */</span>
<a name="l00063"></a>00063 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *
<a name="l00064"></a><a class="code" href="zone_8c.html#a332a3f4cd3b2a6dd1eb25c475fa6f583">00064</a> <a class="code" href="zone_8c.html#a332a3f4cd3b2a6dd1eb25c475fa6f583">ldns_zone_strip_glue_rrs</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *zone_name, <span class="keyword">const</span> <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *rrs, <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *glue_rrs)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *new_list;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="comment">/* when do we find glue? It means we find an IP address</span>
<a name="l00069"></a>00069 <span class="comment"> * (AAAA/A) for a nameserver listed in the zone</span>
<a name="l00070"></a>00070 <span class="comment"> *</span>
<a name="l00071"></a>00071 <span class="comment"> * Alg used here:</span>
<a name="l00072"></a>00072 <span class="comment"> * first find all the zonecuts (NS records)</span>
<a name="l00073"></a>00073 <span class="comment"> * find all the AAAA or A records (can be done it the </span>
<a name="l00074"></a>00074 <span class="comment"> * above loop).</span>
<a name="l00075"></a>00075 <span class="comment"> *</span>
<a name="l00076"></a>00076 <span class="comment"> * Check if the aaaa/a list are subdomains under the</span>
<a name="l00077"></a>00077 <span class="comment"> * NS domains.</span>
<a name="l00078"></a>00078 <span class="comment"> * If yes -> glue, if no -> not glue</span>
<a name="l00079"></a>00079 <span class="comment"> */</span>
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *zone_cuts;
<a name="l00082"></a>00082 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *addr;
<a name="l00083"></a>00083 <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *r, *ns, *a;
<a name="l00084"></a>00084 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *dname_a, *ns_owner;
<a name="l00085"></a>00085 uint16_t i,j;
<a name="l00086"></a>00086
<a name="l00087"></a>00087 new_list = NULL;
<a name="l00088"></a>00088 zone_cuts = NULL;
<a name="l00089"></a>00089 addr = NULL;
<a name="l00090"></a>00090
<a name="l00091"></a>00091 new_list = <a class="code" href="rr_8c.html#aa7405c3451df02516f62f6197ff06268" title="creates a new rr_list structure.">ldns_rr_list_new</a>();
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (!new_list) <span class="keywordflow">goto</span> memory_error;
<a name="l00093"></a>00093 zone_cuts = <a class="code" href="rr_8c.html#aa7405c3451df02516f62f6197ff06268" title="creates a new rr_list structure.">ldns_rr_list_new</a>();
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (!zone_cuts) <span class="keywordflow">goto</span> memory_error;
<a name="l00095"></a>00095 addr = <a class="code" href="rr_8c.html#aa7405c3451df02516f62f6197ff06268" title="creates a new rr_list structure.">ldns_rr_list_new</a>();
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (!addr) <span class="keywordflow">goto</span> memory_error;
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <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>(rrs); i++) {
<a name="l00099"></a>00099 r = <a class="code" href="rr_8c.html#a07b1ccea9f2694b8b88904c543e16783" title="returns a specific rr of an rrlist.">ldns_rr_list_rr</a>(rrs, i);
<a name="l00100"></a>00100 <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>(r) == <a class="code" href="rr_8h.html#a640100112b0009efe3d61bbf799b33daa1c46026dd2245d1e8b8dd17f972f34c2" title="a host address">LDNS_RR_TYPE_A</a> ||
<a name="l00101"></a>00101 <a class="code" href="rr_8c.html#a849c616b8e8d87b8c047a8b41be21228" title="returns the type of the rr.">ldns_rr_get_type</a>(r) == <a class="code" href="rr_8h.html#a640100112b0009efe3d61bbf799b33daa98b91f4b456322f75c67a1ecac18c7fe" title="ipv6 address">LDNS_RR_TYPE_AAAA</a>) {
<a name="l00102"></a>00102 <span class="comment">/* possibly glue */</span>
<a name="l00103"></a>00103 <span class="keywordflow">if</span> (!<a class="code" href="rr_8c.html#a8bdc038678e7492ae3facf83283f8d04" title="pushes an rr to an rrlist.">ldns_rr_list_push_rr</a>(addr, r)) <span class="keywordflow">goto</span> memory_error;
<a name="l00104"></a>00104 <span class="keywordflow">continue</span>;
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 <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>(r) == <a class="code" href="rr_8h.html#a640100112b0009efe3d61bbf799b33daaa3b41f5c015a14a145a7f21ae29a8795" title="an authoritative name server">LDNS_RR_TYPE_NS</a>) {
<a name="l00107"></a>00107 <span class="comment">/* multiple zones will end up here -</span>
<a name="l00108"></a>00108 <span class="comment"> * for now; not a problem</span>
<a name="l00109"></a>00109 <span class="comment"> */</span>
<a name="l00110"></a>00110 <span class="comment">/* don't add NS records for the current zone itself */</span>
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (<a class="code" href="rdata_8c.html#ae5813414a2392d94d20ec1f9f3705ad5" title="compares two rdf's on their wire formats.">ldns_rdf_compare</a>(<a class="code" href="rr_8c.html#a1d254bd0deb5d18e34d84ebc10496c5d" title="returns the owner name of an rr structure.">ldns_rr_owner</a>(r),
<a name="l00112"></a>00112 zone_name) != 0) {
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (!<a class="code" href="rr_8c.html#a8bdc038678e7492ae3facf83283f8d04" title="pushes an rr to an rrlist.">ldns_rr_list_push_rr</a>(zone_cuts, r)) <span class="keywordflow">goto</span> memory_error;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115 <span class="keywordflow">continue</span>;
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="comment">/* will sorting make it quicker ?? */</span>
<a name="l00120"></a>00120 <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>(zone_cuts); i++) {
<a name="l00121"></a>00121 ns = <a class="code" href="rr_8c.html#a07b1ccea9f2694b8b88904c543e16783" title="returns a specific rr of an rrlist.">ldns_rr_list_rr</a>(zone_cuts, i);
<a name="l00122"></a>00122 ns_owner = <a class="code" href="rr_8c.html#a1d254bd0deb5d18e34d84ebc10496c5d" title="returns the owner name of an rr structure.">ldns_rr_owner</a>(ns);
<a name="l00123"></a>00123 <span class="keywordflow">for</span>(j = 0; j < <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>(addr); j++) {
<a name="l00124"></a>00124 a = <a class="code" href="rr_8c.html#a07b1ccea9f2694b8b88904c543e16783" title="returns a specific rr of an rrlist.">ldns_rr_list_rr</a>(addr, j);
<a name="l00125"></a>00125 dname_a = <a class="code" href="rr_8c.html#a1d254bd0deb5d18e34d84ebc10496c5d" title="returns the owner name of an rr structure.">ldns_rr_owner</a>(a);
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keywordflow">if</span> (<a class="code" href="dname_8c.html#a6caadb8042c9cf755d3d5defcfbd44eb" title="test wether the name sub falls under parent (i.e.">ldns_dname_is_subdomain</a>(dname_a, ns_owner)) {
<a name="l00128"></a>00128 <span class="comment">/* GLUE! */</span>
<a name="l00129"></a>00129 <span class="keywordflow">if</span> (glue_rrs) {
<a name="l00130"></a>00130 <span class="keywordflow">if</span> (!<a class="code" href="rr_8c.html#a8bdc038678e7492ae3facf83283f8d04" title="pushes an rr to an rrlist.">ldns_rr_list_push_rr</a>(glue_rrs, a)) <span class="keywordflow">goto</span> memory_error;
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132 <span class="keywordflow">break</span>;
<a name="l00133"></a>00133 } <span class="keywordflow">else</span> {
<a name="l00134"></a>00134 <span class="keywordflow">if</span> (!<a class="code" href="rr_8c.html#a8bdc038678e7492ae3facf83283f8d04" title="pushes an rr to an rrlist.">ldns_rr_list_push_rr</a>(new_list, a)) <span class="keywordflow">goto</span> memory_error;
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <a class="code" href="rr_8c.html#a00ae3d3571b0dba3014269b617992492" title="frees an rr_list structure.">ldns_rr_list_free</a>(addr);
<a name="l00140"></a>00140 <a class="code" href="rr_8c.html#a00ae3d3571b0dba3014269b617992492" title="frees an rr_list structure.">ldns_rr_list_free</a>(zone_cuts);
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordflow">return</span> new_list;
<a name="l00143"></a>00143
<a name="l00144"></a>00144 memory_error:
<a name="l00145"></a>00145 <span class="keywordflow">if</span> (new_list) {
<a name="l00146"></a>00146 <a class="code" href="rr_8c.html#a00ae3d3571b0dba3014269b617992492" title="frees an rr_list structure.">ldns_rr_list_free</a>(new_list);
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 <span class="keywordflow">if</span> (zone_cuts) {
<a name="l00149"></a>00149 <a class="code" href="rr_8c.html#a00ae3d3571b0dba3014269b617992492" title="frees an rr_list structure.">ldns_rr_list_free</a>(zone_cuts);
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151 <span class="keywordflow">if</span> (addr) {
<a name="l00152"></a>00152 <a class="code" href="rr_8c.html#a00ae3d3571b0dba3014269b617992492" title="frees an rr_list structure.">ldns_rr_list_free</a>(addr);
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154 <span class="keywordflow">return</span> NULL;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="comment">/*</span>
<a name="l00158"></a>00158 <span class="comment"> * Get the list of glue records in a zone</span>
<a name="l00159"></a>00159 <span class="comment"> * XXX: there should be a way for this to return error, other than NULL, </span>
<a name="l00160"></a>00160 <span class="comment"> * since NULL is a valid return</span>
<a name="l00161"></a>00161 <span class="comment"> */</span>
<a name="l00162"></a>00162 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *
<a name="l00163"></a><a class="code" href="zone_8h.html#af344dcc4f5bf8335ad1376df12bbd119">00163</a> <a class="code" href="zone_8c.html#af344dcc4f5bf8335ad1376df12bbd119" title="Retrieve all resource records from the zone that are glue records.">ldns_zone_glue_rr_list</a>(<span class="keyword">const</span> <a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *z)
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 <span class="comment">/* when do we find glue? It means we find an IP address</span>
<a name="l00166"></a>00166 <span class="comment"> * (AAAA/A) for a nameserver listed in the zone</span>
<a name="l00167"></a>00167 <span class="comment"> *</span>
<a name="l00168"></a>00168 <span class="comment"> * Alg used here:</span>
<a name="l00169"></a>00169 <span class="comment"> * first find all the zonecuts (NS records)</span>
<a name="l00170"></a>00170 <span class="comment"> * find all the AAAA or A records (can be done it the </span>
<a name="l00171"></a>00171 <span class="comment"> * above loop).</span>
<a name="l00172"></a>00172 <span class="comment"> *</span>
<a name="l00173"></a>00173 <span class="comment"> * Check if the aaaa/a list are subdomains under the</span>
<a name="l00174"></a>00174 <span class="comment"> * NS domains.</span>
<a name="l00175"></a>00175 <span class="comment"> * If yes -> glue, if no -> not glue</span>
<a name="l00176"></a>00176 <span class="comment"> */</span>
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *zone_cuts;
<a name="l00179"></a>00179 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *addr;
<a name="l00180"></a>00180 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *glue;
<a name="l00181"></a>00181 <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *r, *ns, *a;
<a name="l00182"></a>00182 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *dname_a, *ns_owner;
<a name="l00183"></a>00183 <span class="keywordtype">size_t</span> i,j;
<a name="l00184"></a>00184
<a name="l00185"></a>00185 zone_cuts = NULL;
<a name="l00186"></a>00186 addr = NULL;
<a name="l00187"></a>00187 glue = NULL;
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="comment">/* we cannot determine glue in a 'zone' without a SOA */</span>
<a name="l00190"></a>00190 <span class="keywordflow">if</span> (!<a class="code" href="zone_8c.html#aae16d59c27e1f2292f8bd87604517e0c" title="Return the soa record of a zone.">ldns_zone_soa</a>(z)) {
<a name="l00191"></a>00191 <span class="keywordflow">return</span> NULL;
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193
<a name="l00194"></a>00194 zone_cuts = <a class="code" href="rr_8c.html#aa7405c3451df02516f62f6197ff06268" title="creates a new rr_list structure.">ldns_rr_list_new</a>();
<a name="l00195"></a>00195 <span class="keywordflow">if</span> (!zone_cuts) <span class="keywordflow">goto</span> memory_error;
<a name="l00196"></a>00196 addr = <a class="code" href="rr_8c.html#aa7405c3451df02516f62f6197ff06268" title="creates a new rr_list structure.">ldns_rr_list_new</a>();
<a name="l00197"></a>00197 <span class="keywordflow">if</span> (!addr) <span class="keywordflow">goto</span> memory_error;
<a name="l00198"></a>00198 glue = <a class="code" href="rr_8c.html#aa7405c3451df02516f62f6197ff06268" title="creates a new rr_list structure.">ldns_rr_list_new</a>();
<a name="l00199"></a>00199 <span class="keywordflow">if</span> (!glue) <span class="keywordflow">goto</span> memory_error;
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="keywordflow">for</span>(i = 0; i < <a class="code" href="zone_8c.html#a1d07f36a06698624a121cfe61d50df66" title="Returns the number of resource records in the zone, NOT counting the SOA record.">ldns_zone_rr_count</a>(z); i++) {
<a name="l00202"></a>00202 r = <a class="code" href="rr_8c.html#a07b1ccea9f2694b8b88904c543e16783" title="returns a specific rr of an rrlist.">ldns_rr_list_rr</a>(<a class="code" href="zone_8c.html#a5a75b7744ea0d91770d579730a84bbf9" title="Get a list of a zone's content.">ldns_zone_rrs</a>(z), i);
<a name="l00203"></a>00203 <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>(r) == <a class="code" href="rr_8h.html#a640100112b0009efe3d61bbf799b33daa1c46026dd2245d1e8b8dd17f972f34c2" title="a host address">LDNS_RR_TYPE_A</a> ||
<a name="l00204"></a>00204 <a class="code" href="rr_8c.html#a849c616b8e8d87b8c047a8b41be21228" title="returns the type of the rr.">ldns_rr_get_type</a>(r) == <a class="code" href="rr_8h.html#a640100112b0009efe3d61bbf799b33daa98b91f4b456322f75c67a1ecac18c7fe" title="ipv6 address">LDNS_RR_TYPE_AAAA</a>) {
<a name="l00205"></a>00205 <span class="comment">/* possibly glue */</span>
<a name="l00206"></a>00206 <span class="keywordflow">if</span> (!<a class="code" href="rr_8c.html#a8bdc038678e7492ae3facf83283f8d04" title="pushes an rr to an rrlist.">ldns_rr_list_push_rr</a>(addr, r)) <span class="keywordflow">goto</span> memory_error;
<a name="l00207"></a>00207 <span class="keywordflow">continue</span>;
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209 <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>(r) == <a class="code" href="rr_8h.html#a640100112b0009efe3d61bbf799b33daaa3b41f5c015a14a145a7f21ae29a8795" title="an authoritative name server">LDNS_RR_TYPE_NS</a>) {
<a name="l00210"></a>00210 <span class="comment">/* multiple zones will end up here -</span>
<a name="l00211"></a>00211 <span class="comment"> * for now; not a problem</span>
<a name="l00212"></a>00212 <span class="comment"> */</span>
<a name="l00213"></a>00213 <span class="comment">/* don't add NS records for the current zone itself */</span>
<a name="l00214"></a>00214 <span class="keywordflow">if</span> (<a class="code" href="rdata_8c.html#ae5813414a2392d94d20ec1f9f3705ad5" title="compares two rdf's on their wire formats.">ldns_rdf_compare</a>(<a class="code" href="rr_8c.html#a1d254bd0deb5d18e34d84ebc10496c5d" title="returns the owner name of an rr structure.">ldns_rr_owner</a>(r),
<a name="l00215"></a>00215 <a class="code" href="rr_8c.html#a1d254bd0deb5d18e34d84ebc10496c5d" title="returns the owner name of an rr structure.">ldns_rr_owner</a>(<a class="code" href="zone_8c.html#aae16d59c27e1f2292f8bd87604517e0c" title="Return the soa record of a zone.">ldns_zone_soa</a>(z))) != 0) {
<a name="l00216"></a>00216 <span class="keywordflow">if</span> (!<a class="code" href="rr_8c.html#a8bdc038678e7492ae3facf83283f8d04" title="pushes an rr to an rrlist.">ldns_rr_list_push_rr</a>(zone_cuts, r)) <span class="keywordflow">goto</span> memory_error;
<a name="l00217"></a>00217 }
<a name="l00218"></a>00218 <span class="keywordflow">continue</span>;
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="comment">/* will sorting make it quicker ?? */</span>
<a name="l00223"></a>00223 <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>(zone_cuts); i++) {
<a name="l00224"></a>00224 ns = <a class="code" href="rr_8c.html#a07b1ccea9f2694b8b88904c543e16783" title="returns a specific rr of an rrlist.">ldns_rr_list_rr</a>(zone_cuts, i);
<a name="l00225"></a>00225 ns_owner = <a class="code" href="rr_8c.html#a1d254bd0deb5d18e34d84ebc10496c5d" title="returns the owner name of an rr structure.">ldns_rr_owner</a>(ns);
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="keywordflow">for</span>(j = 0; j < <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>(addr); j++) {
<a name="l00228"></a>00228 a = <a class="code" href="rr_8c.html#a07b1ccea9f2694b8b88904c543e16783" title="returns a specific rr of an rrlist.">ldns_rr_list_rr</a>(addr, j);
<a name="l00229"></a>00229 dname_a = <a class="code" href="rr_8c.html#a1d254bd0deb5d18e34d84ebc10496c5d" title="returns the owner name of an rr structure.">ldns_rr_owner</a>(a);
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="keywordflow">if</span> (<a class="code" href="dname_8c.html#a6caadb8042c9cf755d3d5defcfbd44eb" title="test wether the name sub falls under parent (i.e.">ldns_dname_is_subdomain</a>(dname_a, ns_owner) ||
<a name="l00232"></a>00232 <a class="code" href="dname_8c.html#a6faaee00444aad0fde1c672216e5a8b7" title="Compares the two dname rdf's according to the algorithm for ordering in RFC4034 Section 6...">ldns_dname_compare</a>(dname_a, ns_owner) == 0) {
<a name="l00233"></a>00233 <span class="comment">/* GLUE! */</span>
<a name="l00234"></a>00234 <span class="keywordflow">if</span> (!<a class="code" href="rr_8c.html#a8bdc038678e7492ae3facf83283f8d04" title="pushes an rr to an rrlist.">ldns_rr_list_push_rr</a>(glue, a)) <span class="keywordflow">goto</span> memory_error;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236 }
<a name="l00237"></a>00237 }
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <a class="code" href="rr_8c.html#a00ae3d3571b0dba3014269b617992492" title="frees an rr_list structure.">ldns_rr_list_free</a>(addr);
<a name="l00240"></a>00240 <a class="code" href="rr_8c.html#a00ae3d3571b0dba3014269b617992492" title="frees an rr_list structure.">ldns_rr_list_free</a>(zone_cuts);
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <span class="keywordflow">if</span> (<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>(glue) == 0) {
<a name="l00243"></a>00243 <a class="code" href="rr_8c.html#a00ae3d3571b0dba3014269b617992492" title="frees an rr_list structure.">ldns_rr_list_free</a>(glue);
<a name="l00244"></a>00244 <span class="keywordflow">return</span> NULL;
<a name="l00245"></a>00245 } <span class="keywordflow">else</span> {
<a name="l00246"></a>00246 <span class="keywordflow">return</span> glue;
<a name="l00247"></a>00247 }
<a name="l00248"></a>00248
<a name="l00249"></a>00249 memory_error:
<a name="l00250"></a>00250 <span class="keywordflow">if</span> (zone_cuts) {
<a name="l00251"></a>00251 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(zone_cuts);
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253 <span class="keywordflow">if</span> (addr) {
<a name="l00254"></a>00254 <a class="code" href="rr_8c.html#a00ae3d3571b0dba3014269b617992492" title="frees an rr_list structure.">ldns_rr_list_free</a>(addr);
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256 <span class="keywordflow">if</span> (glue) {
<a name="l00257"></a>00257 <a class="code" href="rr_8c.html#a00ae3d3571b0dba3014269b617992492" title="frees an rr_list structure.">ldns_rr_list_free</a>(glue);
<a name="l00258"></a>00258 }
<a name="l00259"></a>00259 <span class="keywordflow">return</span> NULL;
<a name="l00260"></a>00260 }
<a name="l00261"></a>00261
<a name="l00262"></a>00262 <a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *
<a name="l00263"></a><a class="code" href="zone_8h.html#a0f700a61daf31429b1c2b3f0426e186e">00263</a> <a class="code" href="zone_8c.html#a0f700a61daf31429b1c2b3f0426e186e" title="create a new ldns_zone structure">ldns_zone_new</a>(<span class="keywordtype">void</span>)
<a name="l00264"></a>00264 {
<a name="l00265"></a>00265 <a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *z;
<a name="l00266"></a>00266
<a name="l00267"></a>00267 z = <a class="code" href="util_8h.html#a828619b138fdeb9756cd3c874d0551c1" title="Memory management macros.">LDNS_MALLOC</a>(<a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a>);
<a name="l00268"></a>00268 <span class="keywordflow">if</span> (!z) {
<a name="l00269"></a>00269 <span class="keywordflow">return</span> NULL;
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271
<a name="l00272"></a>00272 z-><a class="code" href="structldns__struct__zone.html#a445c79fe2d1313ad669cf6963e907baa">_rrs</a> = <a class="code" href="rr_8c.html#aa7405c3451df02516f62f6197ff06268" title="creates a new rr_list structure.">ldns_rr_list_new</a>();
<a name="l00273"></a>00273 <span class="keywordflow">if</span> (!z-><a class="code" href="structldns__struct__zone.html#a445c79fe2d1313ad669cf6963e907baa">_rrs</a>) {
<a name="l00274"></a>00274 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(z);
<a name="l00275"></a>00275 <span class="keywordflow">return</span> NULL;
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277 <a class="code" href="zone_8c.html#a07b0fcc3777e44bbb8940aaeeb2e3661" title="Set the zone's soa record.">ldns_zone_set_soa</a>(z, NULL);
<a name="l00278"></a>00278 <span class="keywordflow">return</span> z;
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="comment">/* we regocnize:</span>
<a name="l00282"></a>00282 <span class="comment"> * $TTL, $ORIGIN</span>
<a name="l00283"></a>00283 <span class="comment"> */</span>
<a name="l00284"></a>00284 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l00285"></a><a class="code" href="zone_8h.html#a9c19588cdd5e98ccd7072134c528dc05">00285</a> <a class="code" href="zone_8c.html#a9c19588cdd5e98ccd7072134c528dc05" title="Create a new zone from a file.">ldns_zone_new_frm_fp</a>(<a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> **z, FILE *fp, <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *origin, uint32_t ttl, <a class="code" href="rr_8h.html#aa11e99c7e7c630e03373f2a2cafc4ee9">ldns_rr_class</a> c)
<a name="l00286"></a>00286 {
<a name="l00287"></a>00287 <span class="keywordflow">return</span> <a class="code" href="zone_8c.html#accd66901157e00acd3b4b571aa7092b8">ldns_zone_new_frm_fp_l</a>(z, fp, origin, ttl, c, NULL);
<a name="l00288"></a>00288 }
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="comment">/* XXX: class is never used */</span>
<a name="l00291"></a>00291 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a>
<a name="l00292"></a><a class="code" href="zone_8c.html#accd66901157e00acd3b4b571aa7092b8">00292</a> <a class="code" href="zone_8c.html#accd66901157e00acd3b4b571aa7092b8">ldns_zone_new_frm_fp_l</a>(<a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> **z, FILE *fp, <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *origin, uint32_t ttl,
<a name="l00293"></a>00293 <a class="code" href="rr_8h.html#aa11e99c7e7c630e03373f2a2cafc4ee9">ldns_rr_class</a> <a class="code" href="common_8h.html#ade436d89899edbffbc53514d440d28b9">ATTR_UNUSED</a>(c), <span class="keywordtype">int</span> *line_nr)
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 <a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *newzone;
<a name="l00296"></a>00296 <a class="code" href="structldns__struct__rr.html" title="Resource Record.">ldns_rr</a> *rr;
<a name="l00297"></a>00297 uint32_t my_ttl;
<a name="l00298"></a>00298 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *my_origin;
<a name="l00299"></a>00299 <a class="code" href="structldns__struct__rdf.html" title="Resource record data field.">ldns_rdf</a> *my_prev;
<a name="l00300"></a>00300 <span class="keywordtype">bool</span> soa_seen = <span class="keyword">false</span>; <span class="comment">/* 2 soa are an error */</span>
<a name="l00301"></a>00301 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a> s;
<a name="l00302"></a>00302 <a class="code" href="error_8h.html#aaa6d98f86f535cf87b83b89e91f488f9">ldns_status</a> ret;
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="comment">/* most cases of error are memory problems */</span>
<a name="l00305"></a>00305 ret = <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa81e80e66a14551db514726fa49290498">LDNS_STATUS_MEM_ERR</a>;
<a name="l00306"></a>00306
<a name="l00307"></a>00307 newzone = NULL;
<a name="l00308"></a>00308 my_origin = NULL;
<a name="l00309"></a>00309 my_prev = NULL;
<a name="l00310"></a>00310
<a name="l00311"></a>00311 my_ttl = ttl;
<a name="l00312"></a>00312
<a name="l00313"></a>00313 <span class="keywordflow">if</span> (origin) {
<a name="l00314"></a>00314 my_origin = <a class="code" href="rdata_8c.html#af9a39f2f8b749efa6a20ba91cb696961" title="clones a rdf structure.">ldns_rdf_clone</a>(origin);
<a name="l00315"></a>00315 <span class="keywordflow">if</span> (!my_origin) <span class="keywordflow">goto</span> error;
<a name="l00316"></a>00316 <span class="comment">/* also set the prev */</span>
<a name="l00317"></a>00317 my_prev = <a class="code" href="rdata_8c.html#af9a39f2f8b749efa6a20ba91cb696961" title="clones a rdf structure.">ldns_rdf_clone</a>(origin);
<a name="l00318"></a>00318 <span class="keywordflow">if</span> (!my_prev) <span class="keywordflow">goto</span> error;
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320
<a name="l00321"></a>00321 newzone = <a class="code" href="zone_8c.html#a0f700a61daf31429b1c2b3f0426e186e" title="create a new ldns_zone structure">ldns_zone_new</a>();
<a name="l00322"></a>00322 <span class="keywordflow">if</span> (!newzone) <span class="keywordflow">goto</span> error;
<a name="l00323"></a>00323
<a name="l00324"></a>00324 <span class="keywordflow">while</span>(!feof(fp)) {
<a name="l00325"></a>00325 s = <a class="code" href="rr_8c.html#a21ee1c464cecb3c05046fbcb207a7f95" title="creates a new rr from a file containing a string.">ldns_rr_new_frm_fp_l</a>(&rr, fp, &my_ttl, &my_origin, &my_prev, line_nr);
<a name="l00326"></a>00326 <span class="keywordflow">switch</span> (s) {
<a name="l00327"></a>00327 <span class="keywordflow">case</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>:
<a name="l00328"></a>00328 <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>(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="l00329"></a>00329 <span class="keywordflow">if</span> (soa_seen) {
<a name="l00330"></a>00330 <span class="comment">/* second SOA </span>
<a name="l00331"></a>00331 <span class="comment"> * just skip, maybe we want to say</span>
<a name="l00332"></a>00332 <span class="comment"> * something??? */</span>
<a name="l00333"></a>00333 <a class="code" href="rr_8c.html#a277ccb85853d3c527ff3bc963cdde505" title="frees an RR structure">ldns_rr_free</a>(rr);
<a name="l00334"></a>00334 <span class="keywordflow">continue</span>;
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336 soa_seen = <span class="keyword">true</span>;
<a name="l00337"></a>00337 <a class="code" href="zone_8c.html#a07b0fcc3777e44bbb8940aaeeb2e3661" title="Set the zone's soa record.">ldns_zone_set_soa</a>(newzone, rr);
<a name="l00338"></a>00338 <span class="comment">/* set origin to soa if not specified */</span>
<a name="l00339"></a>00339 <span class="keywordflow">if</span> (!my_origin) {
<a name="l00340"></a>00340 my_origin = <a class="code" href="rdata_8c.html#af9a39f2f8b749efa6a20ba91cb696961" title="clones a rdf structure.">ldns_rdf_clone</a>(<a class="code" href="rr_8c.html#a1d254bd0deb5d18e34d84ebc10496c5d" title="returns the owner name of an rr structure.">ldns_rr_owner</a>(rr));
<a name="l00341"></a>00341 }
<a name="l00342"></a>00342 <span class="keywordflow">continue</span>;
<a name="l00343"></a>00343 }
<a name="l00344"></a>00344
<a name="l00345"></a>00345 <span class="comment">/* a normal RR - as sofar the DNS is normal */</span>
<a name="l00346"></a>00346 <span class="keywordflow">if</span> (!<a class="code" href="zone_8c.html#aa292fe9d4d934d13780d0a56de21ebe2" title="push an single rr to a zone structure.">ldns_zone_push_rr</a>(newzone, rr)) <span class="keywordflow">goto</span> error;
<a name="l00347"></a>00347
<a name="l00348"></a>00348 <span class="keywordflow">case</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afacebc5228927911f438d2402ce2586622">LDNS_STATUS_SYNTAX_EMPTY</a>:
<a name="l00349"></a>00349 <span class="comment">/* empty line was seen */</span>
<a name="l00350"></a>00350 <span class="keywordflow">case</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa8e27fa2d37ff7c0571df91f3bc8a1ab0">LDNS_STATUS_SYNTAX_TTL</a>:
<a name="l00351"></a>00351 <span class="comment">/* the function set the ttl */</span>
<a name="l00352"></a>00352 <span class="keywordflow">break</span>;
<a name="l00353"></a>00353 <span class="keywordflow">case</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afaf07e9c30262652a7c16c2de62b7febf6">LDNS_STATUS_SYNTAX_ORIGIN</a>:
<a name="l00354"></a>00354 <span class="comment">/* the function set the origin */</span>
<a name="l00355"></a>00355 <span class="keywordflow">break</span>;
<a name="l00356"></a>00356 <span class="keywordflow">case</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afaea7305a7808dfad9ee2e8674898ddf54">LDNS_STATUS_SYNTAX_INCLUDE</a>:
<a name="l00357"></a>00357 ret = <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afa5f78ec5bc5a0ebd3563ba8707f7ecda8">LDNS_STATUS_SYNTAX_INCLUDE_ERR_NOTIMPL</a>;
<a name="l00358"></a>00358 <span class="keywordflow">break</span>;
<a name="l00359"></a>00359 <span class="keywordflow">default</span>:
<a name="l00360"></a>00360 ret = s;
<a name="l00361"></a>00361 <span class="keywordflow">goto</span> error;
<a name="l00362"></a>00362 }
<a name="l00363"></a>00363 }
<a name="l00364"></a>00364
<a name="l00365"></a>00365 <span class="keywordflow">if</span> (my_origin) {
<a name="l00366"></a>00366 <a class="code" href="rdata_8c.html#a47cb2779f76f2f6561ff8ede8e41afec" title="frees a rdf structure _and_ frees the data.">ldns_rdf_deep_free</a>(my_origin);
<a name="l00367"></a>00367 }
<a name="l00368"></a>00368 <span class="keywordflow">if</span> (my_prev) {
<a name="l00369"></a>00369 <a class="code" href="rdata_8c.html#a47cb2779f76f2f6561ff8ede8e41afec" title="frees a rdf structure _and_ frees the data.">ldns_rdf_deep_free</a>(my_prev);
<a name="l00370"></a>00370 }
<a name="l00371"></a>00371 <span class="keywordflow">if</span> (z) {
<a name="l00372"></a>00372 *z = newzone;
<a name="l00373"></a>00373 } <span class="keywordflow">else</span> {
<a name="l00374"></a>00374 <a class="code" href="zone_8c.html#ac8358f7a42ac6402433dc2bc7532f26b" title="Frees the allocated memory for the zone, and the rr_list structure in it.">ldns_zone_free</a>(newzone);
<a name="l00375"></a>00375 }
<a name="l00376"></a>00376
<a name="l00377"></a>00377 <span class="keywordflow">return</span> <a class="code" href="error_8h.html#a11f34802bb1624af46054952e3b853afac58492ee3fc8d23f33c79824ed08c465">LDNS_STATUS_OK</a>;
<a name="l00378"></a>00378
<a name="l00379"></a>00379 error:
<a name="l00380"></a>00380 <span class="keywordflow">if</span> (my_origin) {
<a name="l00381"></a>00381 <a class="code" href="rdata_8c.html#a47cb2779f76f2f6561ff8ede8e41afec" title="frees a rdf structure _and_ frees the data.">ldns_rdf_deep_free</a>(my_origin);
<a name="l00382"></a>00382 }
<a name="l00383"></a>00383 <span class="keywordflow">if</span> (my_prev) {
<a name="l00384"></a>00384 <a class="code" href="rdata_8c.html#a47cb2779f76f2f6561ff8ede8e41afec" title="frees a rdf structure _and_ frees the data.">ldns_rdf_deep_free</a>(my_prev);
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386 <span class="keywordflow">if</span> (newzone) {
<a name="l00387"></a>00387 <a class="code" href="zone_8c.html#ac8358f7a42ac6402433dc2bc7532f26b" title="Frees the allocated memory for the zone, and the rr_list structure in it.">ldns_zone_free</a>(newzone);
<a name="l00388"></a>00388 }
<a name="l00389"></a>00389 <span class="keywordflow">return</span> ret;
<a name="l00390"></a>00390 }
<a name="l00391"></a>00391
<a name="l00392"></a>00392 <span class="keywordtype">void</span>
<a name="l00393"></a><a class="code" href="zone_8h.html#ad929e3b1e4a25f676218a1507a7b4277">00393</a> <a class="code" href="zone_8c.html#ad929e3b1e4a25f676218a1507a7b4277" title="Sort the rrs in a zone, with the current impl.">ldns_zone_sort</a>(<a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *zone)
<a name="l00394"></a>00394 {
<a name="l00395"></a>00395 <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *zrr;
<a name="l00396"></a>00396 assert(zone != NULL);
<a name="l00397"></a>00397
<a name="l00398"></a>00398 zrr = <a class="code" href="zone_8c.html#a5a75b7744ea0d91770d579730a84bbf9" title="Get a list of a zone's content.">ldns_zone_rrs</a>(zone);
<a name="l00399"></a>00399 <a class="code" href="rr_8c.html#a59fd6b0801f57bd952d1c69386677095" title="sorts an rr_list (canonical wire format).">ldns_rr_list_sort</a>(zrr);
<a name="l00400"></a>00400 }
<a name="l00401"></a>00401
<a name="l00402"></a>00402 <span class="preprocessor">#if 0</span>
<a name="l00403"></a>00403 <span class="preprocessor"></span>
<a name="l00411"></a>00411 <span class="keywordtype">void</span>
<a name="l00412"></a>00412 ldns_zone_ixfr_del_add(<a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *z, <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *del, <a class="code" href="structldns__struct__rr__list.html" title="List or Set of Resource Records.">ldns_rr_list</a> *add)
<a name="l00413"></a>00413 {
<a name="l00414"></a>00414
<a name="l00415"></a>00415 }
<a name="l00416"></a>00416 <span class="preprocessor">#endif</span>
<a name="l00417"></a>00417 <span class="preprocessor"></span>
<a name="l00418"></a>00418 <span class="keywordtype">void</span>
<a name="l00419"></a><a class="code" href="zone_8h.html#ac8358f7a42ac6402433dc2bc7532f26b">00419</a> <a class="code" href="zone_8c.html#ac8358f7a42ac6402433dc2bc7532f26b" title="Frees the allocated memory for the zone, and the rr_list structure in it.">ldns_zone_free</a>(<a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *zone)
<a name="l00420"></a>00420 {
<a name="l00421"></a>00421 <a class="code" href="rr_8c.html#a00ae3d3571b0dba3014269b617992492" title="frees an rr_list structure.">ldns_rr_list_free</a>(zone-><a class="code" href="structldns__struct__zone.html#a445c79fe2d1313ad669cf6963e907baa">_rrs</a>);
<a name="l00422"></a>00422 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(zone);
<a name="l00423"></a>00423 }
<a name="l00424"></a>00424
<a name="l00425"></a>00425 <span class="keywordtype">void</span>
<a name="l00426"></a><a class="code" href="zone_8h.html#a84e80b82e10bbc6939ecdfd556674c1a">00426</a> <a class="code" href="zone_8c.html#a84e80b82e10bbc6939ecdfd556674c1a" title="Frees the allocated memory for the zone, the soa rr in it, and the rr_list structure in it...">ldns_zone_deep_free</a>(<a class="code" href="structldns__struct__zone.html" title="DNS Zone.">ldns_zone</a> *zone)
<a name="l00427"></a>00427 {
<a name="l00428"></a>00428 <a class="code" href="rr_8c.html#a277ccb85853d3c527ff3bc963cdde505" title="frees an RR structure">ldns_rr_free</a>(zone-><a class="code" href="structldns__struct__zone.html#a9f1ac6ee8f183c1dc6cd18926755e709" title="the soa defines a zone">_soa</a>);
<a name="l00429"></a>00429 <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>(zone-><a class="code" href="structldns__struct__zone.html#a445c79fe2d1313ad669cf6963e907baa">_rrs</a>);
<a name="l00430"></a>00430 <a class="code" href="util_8h.html#a5e13054aa9b3843e97514228a0bbe909">LDNS_FREE</a>(zone);
<a name="l00431"></a>00431 }
</pre></div></div>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Wed Jan 11 2012 for ldns by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
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