<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <title>libnl: /home/tgraf/dev/libnl/lib/route/rule.c Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="libnl.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">libnl  <span id="projectnumber">3.2.21</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.1.1 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> </ul> </div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('lib_2route_2rule_8c.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">rule.c</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * lib/route/rule.c Routing Rules</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * License as published by the Free Software Foundation version 2.1</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * of the License.</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Copyright (c) 2003-2010 Thomas Graf <tgraf@suug.ch></span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> */</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"></span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">/**</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * @ingroup rtnl</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * @defgroup rule Routing Rules</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * @brief</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * @{</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> */</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <netlink-private/netlink.h></span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <netlink/netlink.h></span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <netlink/utils.h></span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <netlink/route/rtnl.h></span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <netlink/route/rule.h></span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <inttypes.h></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">/** @cond SKIP */</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#define RULE_ATTR_FAMILY 0x0001</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_TABLE 0x0002</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_ACTION 0x0004</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_FLAGS 0x0008</span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_IIFNAME 0x0010</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_OIFNAME 0x0020</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_PRIO 0x0040</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_MARK 0x0080</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_MASK 0x0100</span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_GOTO 0x0200</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_SRC 0x0400</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_DST 0x0800</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_DSFIELD 0x1000</span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_FLOW 0x2000</span></div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">static</span> <span class="keyword">struct </span>nl_cache_ops rtnl_rule_ops;</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">static</span> <span class="keyword">struct </span>nl_object_ops rule_obj_ops;<span class="comment"></span></div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">/** @endcond */</span></div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">static</span> <span class="keywordtype">void</span> rule_free_data(<span class="keyword">struct</span> nl_object *c)</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">struct </span>rtnl_rule *rule = nl_object_priv(c);</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (!rule)</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span>;</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  nl_addr_put(rule->r_src);</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  nl_addr_put(rule->r_dst);</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> }</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">static</span> <span class="keywordtype">int</span> rule_clone(<span class="keyword">struct</span> nl_object *_dst, <span class="keyword">struct</span> nl_object *_src)</div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> {</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">struct </span>rtnl_rule *dst = nl_object_priv(_dst);</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">struct </span>rtnl_rule *src = nl_object_priv(_src);</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (src->r_src)</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">if</span> (!(dst->r_src = <a class="code" href="group__addr.html#ga40b37a1ccec7acf84d868e588e516cba" title="Clone existing abstract address object.">nl_addr_clone</a>(src->r_src)))</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> -NLE_NOMEM;</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (src->r_dst)</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (!(dst->r_dst = <a class="code" href="group__addr.html#ga40b37a1ccec7acf84d868e588e516cba" title="Clone existing abstract address object.">nl_addr_clone</a>(src->r_dst)))</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> -NLE_NOMEM;</div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> 0;</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structnla__policy.html" title="Attribute validation policy.">nla_policy</a> rule_policy[FRA_MAX+1] = {</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  [FRA_TABLE] = { .<a class="code" href="structnla__policy.html#aaa36c9d1e298fc9e4ee16a8fb553b32a" title="Type of attribute or NLA_UNSPEC.">type</a> = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  [FRA_IIFNAME] = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7a284d1eafd6d5d99cedaff3cd5f5a8378" title="NUL terminated character string.">NLA_STRING</a>, .maxlen = IFNAMSIZ },</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  [FRA_OIFNAME] = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7a284d1eafd6d5d99cedaff3cd5f5a8378" title="NUL terminated character string.">NLA_STRING</a>, .maxlen = IFNAMSIZ },</div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  [FRA_PRIORITY] = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  [FRA_FWMARK] = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  [FRA_FWMASK] = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  [FRA_GOTO] = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  [FRA_FLOW] = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> };</div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">static</span> <span class="keywordtype">int</span> rule_msg_parser(<span class="keyword">struct</span> nl_cache_ops *ops, <span class="keyword">struct</span> sockaddr_nl *who,</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">struct</span> nlmsghdr *n, <span class="keyword">struct</span> nl_parser_param *pp)</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">struct </span>rtnl_rule *rule;</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">struct </span>fib_rule_hdr *frh;</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">struct </span>nlattr *tb[FRA_MAX+1];</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">int</span> err = 1, family;</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  rule = rtnl_rule_alloc();</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (!rule) {</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  err = -NLE_NOMEM;</div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">goto</span> errout;</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  rule->ce_msgtype = n->nlmsg_type;</div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  frh = <a class="code" href="group__msg.html#gae44a904bb40c8b5f5ff31539c21cfa5a" title="Return pointer to message payload.">nlmsg_data</a>(n);</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  err = <a class="code" href="group__msg.html#ga2671eefe95c3e44dec8ddab51ae57593" title="parse attributes of a netlink message">nlmsg_parse</a>(n, <span class="keyword">sizeof</span>(*frh), tb, FRA_MAX, rule_policy);</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (err < 0)</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">goto</span> errout;</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  rule->r_family = family = frh->family;</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  rule->r_table = frh->table;</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  rule->r_action = frh->action;</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  rule->r_flags = frh->flags;</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  rule->ce_mask = (RULE_ATTR_FAMILY | RULE_ATTR_TABLE | RULE_ATTR_ACTION |</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  RULE_ATTR_FLAGS);</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">/* ipv4 only */</span></div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (frh->tos) {</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  rule->r_dsfield = frh->tos;</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  rule->ce_mask |= RULE_ATTR_DSFIELD;</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (tb[FRA_TABLE]) {</div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  rule->r_table = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_TABLE]);</div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  rule->ce_mask |= RULE_ATTR_TABLE;</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (tb[FRA_IIFNAME]) {</div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="group__attr.html#gaabddc8018334423d84088d241b4b7830" title="Copy string attribute payload to a buffer.">nla_strlcpy</a>(rule->r_iifname, tb[FRA_IIFNAME], IFNAMSIZ);</div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  rule->ce_mask |= RULE_ATTR_IIFNAME;</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (tb[FRA_OIFNAME]) {</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="group__attr.html#gaabddc8018334423d84088d241b4b7830" title="Copy string attribute payload to a buffer.">nla_strlcpy</a>(rule->r_oifname, tb[FRA_OIFNAME], IFNAMSIZ);</div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  rule->ce_mask |= RULE_ATTR_OIFNAME;</div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (tb[FRA_PRIORITY]) {</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  rule->r_prio = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_PRIORITY]);</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  rule->ce_mask |= RULE_ATTR_PRIO;</div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (tb[FRA_FWMARK]) {</div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  rule->r_mark = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_FWMARK]);</div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  rule->ce_mask |= RULE_ATTR_MARK;</div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (tb[FRA_FWMASK]) {</div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  rule->r_mask = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_FWMASK]);</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  rule->ce_mask |= RULE_ATTR_MASK;</div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (tb[FRA_GOTO]) {</div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  rule->r_goto = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_GOTO]);</div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  rule->ce_mask |= RULE_ATTR_GOTO;</div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (tb[FRA_SRC]) {</div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (!(rule->r_src = <a class="code" href="group__addr.html#gaf8c23feac1a865e78c9a1d69ea4a2a99" title="Allocate abstract address based on netlink attribute.">nl_addr_alloc_attr</a>(tb[FRA_SRC], family)))</div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">goto</span> errout_enomem;</div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  nl_addr_set_prefixlen(rule->r_src, frh->src_len);</div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  rule->ce_mask |= RULE_ATTR_SRC;</div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">if</span> (tb[FRA_DST]) {</div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (!(rule->r_dst = <a class="code" href="group__addr.html#gaf8c23feac1a865e78c9a1d69ea4a2a99" title="Allocate abstract address based on netlink attribute.">nl_addr_alloc_attr</a>(tb[FRA_DST], family)))</div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">goto</span> errout_enomem;</div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  nl_addr_set_prefixlen(rule->r_dst, frh->dst_len);</div> <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  rule->ce_mask |= RULE_ATTR_DST;</div> <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div> <div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div> <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">/* ipv4 only */</span></div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (tb[FRA_FLOW]) {</div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  rule->r_flow = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_FLOW]);</div> <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  rule->ce_mask |= RULE_ATTR_FLOW;</div> <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  err = pp->pp_cb((<span class="keyword">struct</span> nl_object *) rule, pp);</div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> errout:</div> <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  rtnl_rule_put(rule);</div> <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> err;</div> <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div> <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> errout_enomem:</div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  err = -NLE_NOMEM;</div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">goto</span> errout;</div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> }</div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">static</span> <span class="keywordtype">int</span> rule_request_update(<span class="keyword">struct</span> nl_cache *c, <span class="keyword">struct</span> nl_sock *h)</div> <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> {</div> <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">return</span> <a class="code" href="group__rtnl.html#gacb3779a3e01e8bd9c5e0b4ce0c3a1148" title="Send routing netlink request message.">nl_rtgen_request</a>(h, RTM_GETRULE, AF_UNSPEC, NLM_F_DUMP);</div> <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> }</div> <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div> <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">static</span> <span class="keywordtype">void</span> rule_dump_line(<span class="keyword">struct</span> nl_object *o, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p)</div> <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> {</div> <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">struct </span>rtnl_rule *r = (<span class="keyword">struct </span>rtnl_rule *) o;</div> <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordtype">char</span> buf[128];</div> <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  nl_dump_line(p, <span class="stringliteral">"%8d "</span>, (r->ce_mask & RULE_ATTR_PRIO) ? r->r_prio : 0);</div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"%s "</span>, nl_af2str(r->r_family, buf, <span class="keyword">sizeof</span>(buf)));</div> <div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div> <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (r->ce_mask & RULE_ATTR_SRC)</div> <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"from %s "</span>,</div> <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <a class="code" href="group__addr.html#ga6471f04b9fa8ef1d4af1bf2b87b49529" title="Convert abstract address object to character string.">nl_addr2str</a>(r->r_src, buf, <span class="keyword">sizeof</span>(buf)));</div> <div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div> <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> (r->ce_mask & RULE_ATTR_DST)</div> <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"to %s "</span>,</div> <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="group__addr.html#ga6471f04b9fa8ef1d4af1bf2b87b49529" title="Convert abstract address object to character string.">nl_addr2str</a>(r->r_dst, buf, <span class="keyword">sizeof</span>(buf)));</div> <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div> <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (r->ce_mask & RULE_ATTR_DSFIELD)</div> <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"tos %u "</span>, r->r_dsfield);</div> <div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div> <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">if</span> (r->ce_mask & (RULE_ATTR_MARK | RULE_ATTR_MASK))</div> <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"mark %#x/%#x"</span>, r->r_mark, r->r_mask);</div> <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div> <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">if</span> (r->ce_mask & RULE_ATTR_IIFNAME)</div> <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"iif %s "</span>, r->r_iifname);</div> <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div> <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">if</span> (r->ce_mask & RULE_ATTR_OIFNAME)</div> <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"oif %s "</span>, r->r_oifname);</div> <div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div> <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (r->ce_mask & RULE_ATTR_TABLE)</div> <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"lookup %s "</span>,</div> <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  rtnl_route_table2str(r->r_table, buf, <span class="keyword">sizeof</span>(buf)));</div> <div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div> <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span> (r->ce_mask & RULE_ATTR_FLOW)</div> <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"flow %s "</span>,</div> <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  rtnl_realms2str(r->r_flow, buf, <span class="keyword">sizeof</span>(buf)));</div> <div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div> <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (r->ce_mask & RULE_ATTR_GOTO)</div> <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"goto %u "</span>, r->r_goto);</div> <div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div> <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (r->ce_mask & RULE_ATTR_ACTION)</div> <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"action %s"</span>,</div> <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  nl_rtntype2str(r->r_action, buf, <span class="keyword">sizeof</span>(buf)));</div> <div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div> <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"\n"</span>);</div> <div class="line"><a name="l00234"></a><span class="lineno"> 234</span> }</div> <div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div> <div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="keyword">static</span> <span class="keywordtype">void</span> rule_dump_details(<span class="keyword">struct</span> nl_object *obj, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p)</div> <div class="line"><a name="l00237"></a><span class="lineno"> 237</span> {</div> <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  rule_dump_line(obj, p);</div> <div class="line"><a name="l00239"></a><span class="lineno"> 239</span> }</div> <div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div> <div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="keyword">static</span> <span class="keywordtype">void</span> rule_dump_stats(<span class="keyword">struct</span> nl_object *obj, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p)</div> <div class="line"><a name="l00242"></a><span class="lineno"> 242</span> {</div> <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  rule_dump_details(obj, p);</div> <div class="line"><a name="l00244"></a><span class="lineno"> 244</span> }</div> <div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div> <div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor">#define RULE_ATTR_FLAGS 0x0008</span></div> <div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="keyword">static</span> <span class="keywordtype">int</span> rule_compare(<span class="keyword">struct</span> nl_object *_a, <span class="keyword">struct</span> nl_object *_b,</div> <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  uint32_t attrs, <span class="keywordtype">int</span> flags)</div> <div class="line"><a name="l00250"></a><span class="lineno"> 250</span> {</div> <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">struct </span>rtnl_rule *a = (<span class="keyword">struct </span>rtnl_rule *) _a;</div> <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keyword">struct </span>rtnl_rule *b = (<span class="keyword">struct </span>rtnl_rule *) _b;</div> <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordtype">int</span> diff = 0;</div> <div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div> <div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor">#define RULE_DIFF(ATTR, EXPR) ATTR_DIFF(attrs, RULE_ATTR_##ATTR, a, b, EXPR)</span></div> <div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  diff |= RULE_DIFF(FAMILY, a->r_family != b->r_family);</div> <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  diff |= RULE_DIFF(TABLE, a->r_table != b->r_table);</div> <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  diff |= RULE_DIFF(ACTION, a->r_action != b->r_action);</div> <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  diff |= RULE_DIFF(IIFNAME, strcmp(a->r_iifname, b->r_iifname));</div> <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  diff |= RULE_DIFF(OIFNAME, strcmp(a->r_oifname, b->r_oifname));</div> <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  diff |= RULE_DIFF(PRIO, a->r_prio != b->r_prio);</div> <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  diff |= RULE_DIFF(MARK, a->r_mark != b->r_mark);</div> <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  diff |= RULE_DIFF(MASK, a->r_mask != b->r_mask);</div> <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  diff |= RULE_DIFF(GOTO, a->r_goto != b->r_goto);</div> <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  diff |= RULE_DIFF(SRC, <a class="code" href="group__addr.html#ga3b85d180a4f6d2df86be1dc8798a7d9a" title="Compares two abstract address objects.">nl_addr_cmp</a>(a->r_src, b->r_src));</div> <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  diff |= RULE_DIFF(DST, <a class="code" href="group__addr.html#ga3b85d180a4f6d2df86be1dc8798a7d9a" title="Compares two abstract address objects.">nl_addr_cmp</a>(a->r_dst, b->r_dst));</div> <div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  diff |= RULE_DIFF(DSFIELD, a->r_dsfield != b->r_dsfield);</div> <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  diff |= RULE_DIFF(FLOW, a->r_flow != b->r_flow);</div> <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  </div> <div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="preprocessor">#undef RULE_DIFF</span></div> <div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">return</span> diff;</div> <div class="line"><a name="l00274"></a><span class="lineno"> 274</span> }</div> <div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div> <div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>trans_tbl rule_attrs[] = {</div> <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  __ADD(RULE_ATTR_FAMILY, family)</div> <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  __ADD(RULE_ATTR_TABLE, table)</div> <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  __ADD(RULE_ATTR_ACTION, action)</div> <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  __ADD(RULE_ATTR_IIFNAME, iifname)</div> <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  __ADD(RULE_ATTR_OIFNAME, oifname)</div> <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  __ADD(RULE_ATTR_PRIO, prio)</div> <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  __ADD(RULE_ATTR_MARK, mark)</div> <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  __ADD(RULE_ATTR_MASK, mask)</div> <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  __ADD(RULE_ATTR_GOTO, goto)</div> <div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  __ADD(RULE_ATTR_SRC, src)</div> <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  __ADD(RULE_ATTR_DST, dst)</div> <div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  __ADD(RULE_ATTR_DSFIELD, dsfield)</div> <div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  __ADD(RULE_ATTR_FLOW, flow)</div> <div class="line"><a name="l00290"></a><span class="lineno"> 290</span> };</div> <div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div> <div class="line"><a name="l00292"></a><span class="lineno"> 292</span> static <span class="keywordtype">char</span> *rule_attrs2str(<span class="keywordtype">int</span> attrs, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> len)</div> <div class="line"><a name="l00293"></a><span class="lineno"> 293</span> {</div> <div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span> __flags2str(attrs, buf, len, rule_attrs,</div> <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  ARRAY_SIZE(rule_attrs));</div> <div class="line"><a name="l00296"></a><span class="lineno"> 296</span> }</div> <div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"></span></div> <div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment">/**</span></div> <div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> * @name Allocation/Freeing</span></div> <div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> * @{</span></div> <div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> */</span></div> <div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div> <div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="keyword">struct </span>rtnl_rule *rtnl_rule_alloc(<span class="keywordtype">void</span>)</div> <div class="line"><a name="l00304"></a><span class="lineno"> 304</span> {</div> <div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">return</span> (<span class="keyword">struct</span> rtnl_rule *) <a class="code" href="group__object.html#ga9c1f2fd887d8325839f452879cdf982a" title="Allocate a new object of kind specified by the operations handle.">nl_object_alloc</a>(&rule_obj_ops);</div> <div class="line"><a name="l00306"></a><span class="lineno"> 306</span> }</div> <div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div> <div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="keywordtype">void</span> rtnl_rule_put(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00309"></a><span class="lineno"> 309</span> {</div> <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <a class="code" href="group__object.html#ga9905da094bf4c03cf4ac78aeaa86a12b" title="Release a reference from an object.">nl_object_put</a>((<span class="keyword">struct</span> nl_object *) rule);</div> <div class="line"><a name="l00311"></a><span class="lineno"> 311</span> }</div> <div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"></span></div> <div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment">/** @} */</span></div> <div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"></span></div> <div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment">/**</span></div> <div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> * @name Cache Management</span></div> <div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment"> * @{</span></div> <div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment"> */</span></div> <div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment"></span></div> <div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="comment">/**</span></div> <div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="comment"> * Build a rule cache including all rules currently configured in the kernel.</span></div> <div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="comment"> * @arg sock Netlink socket.</span></div> <div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment"> * @arg family Address family or AF_UNSPEC.</span></div> <div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment"> * @arg result Pointer to store resulting cache.</span></div> <div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment"> *</span></div> <div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment"> * Allocates a new rule cache, initializes it properly and updates it</span></div> <div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"> * to include all rules currently configured in the kernel.</span></div> <div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment"> *</span></div> <div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"> * @return 0 on success or a negative error code.</span></div> <div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"> */</span></div> <div class="line"><a name="l00331"></a><span class="lineno"><a class="code" href="group__rule.html#ga9b8a00b362e802af16b02fa656dadeb4"> 331</a></span> <span class="keywordtype">int</span> <a class="code" href="group__rule.html#ga9b8a00b362e802af16b02fa656dadeb4" title="Build a rule cache including all rules currently configured in the kernel.">rtnl_rule_alloc_cache</a>(<span class="keyword">struct</span> nl_sock *sock, <span class="keywordtype">int</span> family,</div> <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keyword">struct</span> nl_cache **result)</div> <div class="line"><a name="l00333"></a><span class="lineno"> 333</span> {</div> <div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keyword">struct </span>nl_cache * cache;</div> <div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordtype">int</span> err;</div> <div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div> <div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">if</span> (!(cache = <a class="code" href="group__cache.html#ga9520ae0f2158db3c081f34c851d92252" title="Allocate new cache.">nl_cache_alloc</a>(&rtnl_rule_ops)))</div> <div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">return</span> -NLE_NOMEM;</div> <div class="line"><a name="l00339"></a><span class="lineno"> 339</span> </div> <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  cache->c_iarg1 = family;</div> <div class="line"><a name="l00341"></a><span class="lineno"> 341</span> </div> <div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">if</span> (sock && (err = <a class="code" href="group__cache.html#ga10aacd9aef738dbf9e0e5967272999de" title="(Re)fill a cache with the contents in the kernel.">nl_cache_refill</a>(sock, cache)) < 0) {</div> <div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  free(cache);</div> <div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">return</span> err;</div> <div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  }</div> <div class="line"><a name="l00346"></a><span class="lineno"> 346</span> </div> <div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  *result = cache;</div> <div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">return</span> 0;</div> <div class="line"><a name="l00349"></a><span class="lineno"> 349</span> }</div> <div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"></span></div> <div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment">/** @} */</span></div> <div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment"></span></div> <div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment">/**</span></div> <div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment"> * @name Rule Addition</span></div> <div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="comment"> * @{</span></div> <div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="comment"> */</span></div> <div class="line"><a name="l00357"></a><span class="lineno"> 357</span> </div> <div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="keyword">static</span> <span class="keywordtype">int</span> build_rule_msg(<span class="keyword">struct</span> rtnl_rule *tmpl, <span class="keywordtype">int</span> cmd, <span class="keywordtype">int</span> flags,</div> <div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keyword">struct</span> nl_msg **result)</div> <div class="line"><a name="l00360"></a><span class="lineno"> 360</span> {</div> <div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keyword">struct </span>nl_msg *msg;</div> <div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keyword">struct </span>fib_rule_hdr frh = {</div> <div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  .family = tmpl->r_family,</div> <div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  .table = tmpl->r_table,</div> <div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  .action = tmpl->r_action,</div> <div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  .flags = tmpl->r_flags,</div> <div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  .tos = tmpl->r_dsfield,</div> <div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  };</div> <div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div> <div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> (!(tmpl->ce_mask & RULE_ATTR_FAMILY))</div> <div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">return</span> -NLE_MISSING_ATTR;</div> <div class="line"><a name="l00372"></a><span class="lineno"> 372</span> </div> <div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  msg = <a class="code" href="group__msg.html#ga580d8697d19050c55060bc10ab4eae9f" title="Allocate a new netlink message.">nlmsg_alloc_simple</a>(cmd, flags);</div> <div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">if</span> (!msg)</div> <div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">return</span> -NLE_NOMEM;</div> <div class="line"><a name="l00376"></a><span class="lineno"> 376</span> </div> <div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">if</span> (tmpl->ce_mask & RULE_ATTR_SRC) </div> <div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  frh.src_len = <a class="code" href="group__addr.html#gabaeaaa163f115fff9318424fc9bd304b" title="Get prefix length of abstract address object.">nl_addr_get_prefixlen</a>(tmpl->r_src);</div> <div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div> <div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span> (tmpl->ce_mask & RULE_ATTR_DST)</div> <div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  frh.dst_len = <a class="code" href="group__addr.html#gabaeaaa163f115fff9318424fc9bd304b" title="Get prefix length of abstract address object.">nl_addr_get_prefixlen</a>(tmpl->r_dst);</div> <div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div> <div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">if</span> (<a class="code" href="group__msg.html#gacc5e5ade5675d041f86c7c8693f7088d" title="Append data to tail of a netlink message.">nlmsg_append</a>(msg, &frh, <span class="keyword">sizeof</span>(frh), NLMSG_ALIGNTO) < 0)</div> <div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">goto</span> nla_put_failure;</div> <div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div> <div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="comment">/* Additional table attribute replacing the 8bit in the header, was</span></div> <div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="comment"> * required to allow more than 256 tables. */</span></div> <div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_TABLE, tmpl->r_table);</div> <div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div> <div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span> (tmpl->ce_mask & RULE_ATTR_SRC)</div> <div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <a class="code" href="group__attr.html#ga4baef6ddd6cc398917079c7d8ab12c61" title="Add address attribute to netlink message.">NLA_PUT_ADDR</a>(msg, FRA_SRC, tmpl->r_src);</div> <div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div> <div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">if</span> (tmpl->ce_mask & RULE_ATTR_DST) </div> <div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <a class="code" href="group__attr.html#ga4baef6ddd6cc398917079c7d8ab12c61" title="Add address attribute to netlink message.">NLA_PUT_ADDR</a>(msg, FRA_DST, tmpl->r_dst);</div> <div class="line"><a name="l00395"></a><span class="lineno"> 395</span> </div> <div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span> (tmpl->ce_mask & RULE_ATTR_IIFNAME)</div> <div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <a class="code" href="group__attr.html#gacc00ea721bfef8c86db542193d4a3d5c" title="Add string attribute to netlink message.">NLA_PUT_STRING</a>(msg, FRA_IIFNAME, tmpl->r_iifname);</div> <div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div> <div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">if</span> (tmpl->ce_mask & RULE_ATTR_OIFNAME)</div> <div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <a class="code" href="group__attr.html#gacc00ea721bfef8c86db542193d4a3d5c" title="Add string attribute to netlink message.">NLA_PUT_STRING</a>(msg, FRA_OIFNAME, tmpl->r_oifname);</div> <div class="line"><a name="l00401"></a><span class="lineno"> 401</span> </div> <div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">if</span> (tmpl->ce_mask & RULE_ATTR_PRIO)</div> <div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_PRIORITY, tmpl->r_prio);</div> <div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div> <div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">if</span> (tmpl->ce_mask & RULE_ATTR_MARK)</div> <div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_FWMARK, tmpl->r_mark);</div> <div class="line"><a name="l00407"></a><span class="lineno"> 407</span> </div> <div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> (tmpl->ce_mask & RULE_ATTR_MASK)</div> <div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_FWMASK, tmpl->r_mask);</div> <div class="line"><a name="l00410"></a><span class="lineno"> 410</span> </div> <div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">if</span> (tmpl->ce_mask & RULE_ATTR_GOTO)</div> <div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_GOTO, tmpl->r_goto);</div> <div class="line"><a name="l00413"></a><span class="lineno"> 413</span> </div> <div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span> (tmpl->ce_mask & RULE_ATTR_FLOW)</div> <div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_FLOW, tmpl->r_flow);</div> <div class="line"><a name="l00416"></a><span class="lineno"> 416</span> </div> <div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div> <div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  *result = msg;</div> <div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">return</span> 0;</div> <div class="line"><a name="l00420"></a><span class="lineno"> 420</span> </div> <div class="line"><a name="l00421"></a><span class="lineno"> 421</span> nla_put_failure:</div> <div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <a class="code" href="group__msg.html#ga6fb0fda0b5fdc99c786d65cb9c53c6bc" title="Release a reference from an netlink message.">nlmsg_free</a>(msg);</div> <div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordflow">return</span> -NLE_MSGSIZE;</div> <div class="line"><a name="l00424"></a><span class="lineno"> 424</span> }</div> <div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="comment"></span></div> <div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="comment">/**</span></div> <div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="comment"> * Build netlink request message to add a new rule</span></div> <div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="comment"> * @arg tmpl template with data of new rule</span></div> <div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="comment"> * @arg flags additional netlink message flags</span></div> <div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="comment"> * @arg result Result pointer</span></div> <div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="comment"> *</span></div> <div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="comment"> * Builds a new netlink message requesting a addition of a new</span></div> <div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment"> * rule. The netlink message header isn't fully equipped with</span></div> <div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="comment"> * all relevant fields and must thus be sent out via nl_send_auto_complete()</span></div> <div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="comment"> * or supplemented as needed. \a tmpl must contain the attributes of the new</span></div> <div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="comment"> * address set via \c rtnl_rule_set_* functions.</span></div> <div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="comment"> * </span></div> <div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="comment"> * @return 0 on success or a negative error code.</span></div> <div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment"> */</span></div> <div class="line"><a name="l00440"></a><span class="lineno"><a class="code" href="group__rule.html#gac1525a0fa9ffdd715eeb3568f0384f47"> 440</a></span> <span class="keywordtype">int</span> <a class="code" href="group__rule.html#gac1525a0fa9ffdd715eeb3568f0384f47" title="Build netlink request message to add a new rule.">rtnl_rule_build_add_request</a>(<span class="keyword">struct</span> rtnl_rule *tmpl, <span class="keywordtype">int</span> flags,</div> <div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keyword">struct</span> nl_msg **result)</div> <div class="line"><a name="l00442"></a><span class="lineno"> 442</span> {</div> <div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">return</span> build_rule_msg(tmpl, RTM_NEWRULE, NLM_F_CREATE | flags,</div> <div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  result);</div> <div class="line"><a name="l00445"></a><span class="lineno"> 445</span> }</div> <div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="comment"></span></div> <div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="comment">/**</span></div> <div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment"> * Add a new rule</span></div> <div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment"> * @arg sk Netlink socket.</span></div> <div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment"> * @arg tmpl template with requested changes</span></div> <div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> * @arg flags additional netlink message flags</span></div> <div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="comment"> *</span></div> <div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment"> * Builds a netlink message by calling rtnl_rule_build_add_request(),</span></div> <div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment"> * sends the request to the kernel and waits for the next ACK to be</span></div> <div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment"> * received and thus blocks until the request has been fullfilled.</span></div> <div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment"> *</span></div> <div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment"> * @return 0 on sucess or a negative error if an error occured.</span></div> <div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="comment"> */</span></div> <div class="line"><a name="l00459"></a><span class="lineno"><a class="code" href="group__rule.html#gad640daf24ffb56ff57f2ff6191feeab2"> 459</a></span> <span class="keywordtype">int</span> <a class="code" href="group__rule.html#gad640daf24ffb56ff57f2ff6191feeab2" title="Add a new rule.">rtnl_rule_add</a>(<span class="keyword">struct</span> nl_sock *sk, <span class="keyword">struct</span> rtnl_rule *tmpl, <span class="keywordtype">int</span> flags)</div> <div class="line"><a name="l00460"></a><span class="lineno"> 460</span> {</div> <div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keyword">struct </span>nl_msg *msg;</div> <div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordtype">int</span> err;</div> <div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  </div> <div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">if</span> ((err = <a class="code" href="group__rule.html#gac1525a0fa9ffdd715eeb3568f0384f47" title="Build netlink request message to add a new rule.">rtnl_rule_build_add_request</a>(tmpl, flags, &msg)) < 0)</div> <div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">return</span> err;</div> <div class="line"><a name="l00466"></a><span class="lineno"> 466</span> </div> <div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  err = <a class="code" href="group__send__recv.html#gaabaaad725363ba4654c24dd49a6fd8fd">nl_send_auto_complete</a>(sk, msg);</div> <div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <a class="code" href="group__msg.html#ga6fb0fda0b5fdc99c786d65cb9c53c6bc" title="Release a reference from an netlink message.">nlmsg_free</a>(msg);</div> <div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">if</span> (err < 0)</div> <div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">return</span> err;</div> <div class="line"><a name="l00471"></a><span class="lineno"> 471</span> </div> <div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">return</span> wait_for_ack(sk);</div> <div class="line"><a name="l00473"></a><span class="lineno"> 473</span> }</div> <div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="comment"></span></div> <div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="comment">/** @} */</span></div> <div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="comment"></span></div> <div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="comment">/**</span></div> <div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="comment"> * @name Rule Deletion</span></div> <div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="comment"> * @{</span></div> <div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="comment"> */</span></div> <div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="comment"></span></div> <div class="line"><a name="l00482"></a><span class="lineno"> 482</span> <span class="comment">/**</span></div> <div class="line"><a name="l00483"></a><span class="lineno"> 483</span> <span class="comment"> * Build a netlink request message to delete a rule</span></div> <div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="comment"> * @arg rule rule to delete</span></div> <div class="line"><a name="l00485"></a><span class="lineno"> 485</span> <span class="comment"> * @arg flags additional netlink message flags</span></div> <div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="comment"> * @arg result Result pointer</span></div> <div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="comment"> *</span></div> <div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment"> * Builds a new netlink message requesting a deletion of a rule.</span></div> <div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="comment"> * The netlink message header isn't fully equipped with all relevant</span></div> <div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> * fields and must thus be sent out via nl_send_auto_complete()</span></div> <div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="comment"> * or supplemented as needed. \a rule must point to an existing</span></div> <div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="comment"> * address.</span></div> <div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="comment"> *</span></div> <div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="comment"> * @return 0 on success or a negative error code.</span></div> <div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="comment"> */</span></div> <div class="line"><a name="l00496"></a><span class="lineno"><a class="code" href="group__rule.html#ga5c52df24c2f89843daaa32b64f79b369"> 496</a></span> <span class="keywordtype">int</span> <a class="code" href="group__rule.html#ga5c52df24c2f89843daaa32b64f79b369" title="Build a netlink request message to delete a rule.">rtnl_rule_build_delete_request</a>(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keywordtype">int</span> flags,</div> <div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keyword">struct</span> nl_msg **result)</div> <div class="line"><a name="l00498"></a><span class="lineno"> 498</span> {</div> <div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">return</span> build_rule_msg(rule, RTM_DELRULE, flags, result);</div> <div class="line"><a name="l00500"></a><span class="lineno"> 500</span> }</div> <div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="comment"></span></div> <div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="comment">/**</span></div> <div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="comment"> * Delete a rule</span></div> <div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="comment"> * @arg sk Netlink socket.</span></div> <div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="comment"> * @arg rule rule to delete</span></div> <div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="comment"> * @arg flags additional netlink message flags</span></div> <div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="comment"> *</span></div> <div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <span class="comment"> * Builds a netlink message by calling rtnl_rule_build_delete_request(),</span></div> <div class="line"><a name="l00509"></a><span class="lineno"> 509</span> <span class="comment"> * sends the request to the kernel and waits for the next ACK to be</span></div> <div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="comment"> * received and thus blocks until the request has been fullfilled.</span></div> <div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="comment"> *</span></div> <div class="line"><a name="l00512"></a><span class="lineno"> 512</span> <span class="comment"> * @return 0 on sucess or a negative error if an error occured.</span></div> <div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="comment"> */</span></div> <div class="line"><a name="l00514"></a><span class="lineno"><a class="code" href="group__rule.html#ga294945628849ac6945af68a6cfaa56cd"> 514</a></span> <span class="keywordtype">int</span> <a class="code" href="group__rule.html#ga294945628849ac6945af68a6cfaa56cd" title="Delete a rule.">rtnl_rule_delete</a>(<span class="keyword">struct</span> nl_sock *sk, <span class="keyword">struct</span> rtnl_rule *rule, <span class="keywordtype">int</span> flags)</div> <div class="line"><a name="l00515"></a><span class="lineno"> 515</span> {</div> <div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keyword">struct </span>nl_msg *msg;</div> <div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordtype">int</span> err;</div> <div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  </div> <div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keywordflow">if</span> ((err = <a class="code" href="group__rule.html#ga5c52df24c2f89843daaa32b64f79b369" title="Build a netlink request message to delete a rule.">rtnl_rule_build_delete_request</a>(rule, flags, &msg)) < 0)</div> <div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">return</span> err;</div> <div class="line"><a name="l00521"></a><span class="lineno"> 521</span> </div> <div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  err = <a class="code" href="group__send__recv.html#gaabaaad725363ba4654c24dd49a6fd8fd">nl_send_auto_complete</a>(sk, msg);</div> <div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <a class="code" href="group__msg.html#ga6fb0fda0b5fdc99c786d65cb9c53c6bc" title="Release a reference from an netlink message.">nlmsg_free</a>(msg);</div> <div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">if</span> (err < 0)</div> <div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keywordflow">return</span> err;</div> <div class="line"><a name="l00526"></a><span class="lineno"> 526</span> </div> <div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">return</span> wait_for_ack(sk);</div> <div class="line"><a name="l00528"></a><span class="lineno"> 528</span> }</div> <div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="comment"></span></div> <div class="line"><a name="l00530"></a><span class="lineno"> 530</span> <span class="comment">/** @} */</span></div> <div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="comment"></span></div> <div class="line"><a name="l00532"></a><span class="lineno"> 532</span> <span class="comment">/**</span></div> <div class="line"><a name="l00533"></a><span class="lineno"> 533</span> <span class="comment"> * @name Attribute Modification</span></div> <div class="line"><a name="l00534"></a><span class="lineno"> 534</span> <span class="comment"> * @{</span></div> <div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="comment"> */</span></div> <div class="line"><a name="l00536"></a><span class="lineno"> 536</span> </div> <div class="line"><a name="l00537"></a><span class="lineno"> 537</span> <span class="keywordtype">void</span> rtnl_rule_set_family(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keywordtype">int</span> family)</div> <div class="line"><a name="l00538"></a><span class="lineno"> 538</span> {</div> <div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  rule->r_family = family;</div> <div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  rule->ce_mask |= RULE_ATTR_FAMILY;</div> <div class="line"><a name="l00541"></a><span class="lineno"> 541</span> }</div> <div class="line"><a name="l00542"></a><span class="lineno"> 542</span> </div> <div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="keywordtype">int</span> rtnl_rule_get_family(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00544"></a><span class="lineno"> 544</span> {</div> <div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">if</span> (rule->ce_mask & RULE_ATTR_FAMILY)</div> <div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">return</span> rule->r_family;</div> <div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordflow">else</span></div> <div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordflow">return</span> AF_UNSPEC;</div> <div class="line"><a name="l00549"></a><span class="lineno"> 549</span> }</div> <div class="line"><a name="l00550"></a><span class="lineno"> 550</span> </div> <div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="keywordtype">void</span> rtnl_rule_set_prio(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t prio)</div> <div class="line"><a name="l00552"></a><span class="lineno"> 552</span> {</div> <div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  rule->r_prio = prio;</div> <div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  rule->ce_mask |= RULE_ATTR_PRIO;</div> <div class="line"><a name="l00555"></a><span class="lineno"> 555</span> }</div> <div class="line"><a name="l00556"></a><span class="lineno"> 556</span> </div> <div class="line"><a name="l00557"></a><span class="lineno"> 557</span> uint32_t rtnl_rule_get_prio(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00558"></a><span class="lineno"> 558</span> {</div> <div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keywordflow">return</span> rule->r_prio;</div> <div class="line"><a name="l00560"></a><span class="lineno"> 560</span> }</div> <div class="line"><a name="l00561"></a><span class="lineno"> 561</span> </div> <div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="keywordtype">void</span> rtnl_rule_set_mark(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t mark)</div> <div class="line"><a name="l00563"></a><span class="lineno"> 563</span> {</div> <div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  rule->r_mark = mark;</div> <div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  rule->ce_mask |= RULE_ATTR_MARK;</div> <div class="line"><a name="l00566"></a><span class="lineno"> 566</span> }</div> <div class="line"><a name="l00567"></a><span class="lineno"> 567</span> </div> <div class="line"><a name="l00568"></a><span class="lineno"> 568</span> uint32_t rtnl_rule_get_mark(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00569"></a><span class="lineno"> 569</span> {</div> <div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordflow">return</span> rule->r_mark;</div> <div class="line"><a name="l00571"></a><span class="lineno"> 571</span> }</div> <div class="line"><a name="l00572"></a><span class="lineno"> 572</span> </div> <div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="keywordtype">void</span> rtnl_rule_set_mask(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t mask)</div> <div class="line"><a name="l00574"></a><span class="lineno"> 574</span> {</div> <div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  rule->r_mask = mask;</div> <div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  rule->ce_mask |= RULE_ATTR_MASK;</div> <div class="line"><a name="l00577"></a><span class="lineno"> 577</span> }</div> <div class="line"><a name="l00578"></a><span class="lineno"> 578</span> </div> <div class="line"><a name="l00579"></a><span class="lineno"> 579</span> uint32_t rtnl_rule_get_mask(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00580"></a><span class="lineno"> 580</span> {</div> <div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keywordflow">return</span> rule->r_mask;</div> <div class="line"><a name="l00582"></a><span class="lineno"> 582</span> }</div> <div class="line"><a name="l00583"></a><span class="lineno"> 583</span> </div> <div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="keywordtype">void</span> rtnl_rule_set_table(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t table)</div> <div class="line"><a name="l00585"></a><span class="lineno"> 585</span> {</div> <div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  rule->r_table = table;</div> <div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  rule->ce_mask |= RULE_ATTR_TABLE;</div> <div class="line"><a name="l00588"></a><span class="lineno"> 588</span> }</div> <div class="line"><a name="l00589"></a><span class="lineno"> 589</span> </div> <div class="line"><a name="l00590"></a><span class="lineno"> 590</span> uint32_t rtnl_rule_get_table(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00591"></a><span class="lineno"> 591</span> {</div> <div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keywordflow">return</span> rule->r_table;</div> <div class="line"><a name="l00593"></a><span class="lineno"> 593</span> }</div> <div class="line"><a name="l00594"></a><span class="lineno"> 594</span> </div> <div class="line"><a name="l00595"></a><span class="lineno"> 595</span> <span class="keywordtype">void</span> rtnl_rule_set_dsfield(<span class="keyword">struct</span> rtnl_rule *rule, uint8_t dsfield)</div> <div class="line"><a name="l00596"></a><span class="lineno"> 596</span> {</div> <div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  rule->r_dsfield = dsfield;</div> <div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  rule->ce_mask |= RULE_ATTR_DSFIELD;</div> <div class="line"><a name="l00599"></a><span class="lineno"> 599</span> }</div> <div class="line"><a name="l00600"></a><span class="lineno"> 600</span> </div> <div class="line"><a name="l00601"></a><span class="lineno"> 601</span> uint8_t rtnl_rule_get_dsfield(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00602"></a><span class="lineno"> 602</span> {</div> <div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="keywordflow">return</span> rule->r_dsfield;</div> <div class="line"><a name="l00604"></a><span class="lineno"> 604</span> }</div> <div class="line"><a name="l00605"></a><span class="lineno"> 605</span> </div> <div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> __assign_addr(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keyword">struct</span> nl_addr **pos,</div> <div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keyword">struct</span> nl_addr *<span class="keyword">new</span>, <span class="keywordtype">int</span> flag)</div> <div class="line"><a name="l00608"></a><span class="lineno"> 608</span> {</div> <div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">if</span> (rule->ce_mask & RULE_ATTR_FAMILY) {</div> <div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <span class="keywordflow">if</span> (new->a_family != rule->r_family)</div> <div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="keywordflow">return</span> -NLE_AF_MISMATCH;</div> <div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  } <span class="keywordflow">else</span></div> <div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  rule->r_family = <span class="keyword">new</span>->a_family;</div> <div class="line"><a name="l00614"></a><span class="lineno"> 614</span> </div> <div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">if</span> (*pos)</div> <div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  nl_addr_put(*pos);</div> <div class="line"><a name="l00617"></a><span class="lineno"> 617</span> </div> <div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  nl_addr_get(<span class="keyword">new</span>);</div> <div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  *pos = <span class="keyword">new</span>;</div> <div class="line"><a name="l00620"></a><span class="lineno"> 620</span> </div> <div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  rule->ce_mask |= (flag | RULE_ATTR_FAMILY);</div> <div class="line"><a name="l00622"></a><span class="lineno"> 622</span> </div> <div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keywordflow">return</span> 0;</div> <div class="line"><a name="l00624"></a><span class="lineno"> 624</span> }</div> <div class="line"><a name="l00625"></a><span class="lineno"> 625</span> </div> <div class="line"><a name="l00626"></a><span class="lineno"> 626</span> <span class="keywordtype">int</span> rtnl_rule_set_src(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keyword">struct</span> nl_addr *src)</div> <div class="line"><a name="l00627"></a><span class="lineno"> 627</span> {</div> <div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordflow">return</span> __assign_addr(rule, &rule->r_src, src, RULE_ATTR_SRC);</div> <div class="line"><a name="l00629"></a><span class="lineno"> 629</span> }</div> <div class="line"><a name="l00630"></a><span class="lineno"> 630</span> </div> <div class="line"><a name="l00631"></a><span class="lineno"> 631</span> <span class="keyword">struct </span>nl_addr *rtnl_rule_get_src(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00632"></a><span class="lineno"> 632</span> {</div> <div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">return</span> rule->r_src;</div> <div class="line"><a name="l00634"></a><span class="lineno"> 634</span> }</div> <div class="line"><a name="l00635"></a><span class="lineno"> 635</span> </div> <div class="line"><a name="l00636"></a><span class="lineno"> 636</span> <span class="keywordtype">int</span> rtnl_rule_set_dst(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keyword">struct</span> nl_addr *dst)</div> <div class="line"><a name="l00637"></a><span class="lineno"> 637</span> {</div> <div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keywordflow">return</span> __assign_addr(rule, &rule->r_dst, dst, RULE_ATTR_DST);</div> <div class="line"><a name="l00639"></a><span class="lineno"> 639</span> }</div> <div class="line"><a name="l00640"></a><span class="lineno"> 640</span> </div> <div class="line"><a name="l00641"></a><span class="lineno"> 641</span> <span class="keyword">struct </span>nl_addr *rtnl_rule_get_dst(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00642"></a><span class="lineno"> 642</span> {</div> <div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keywordflow">return</span> rule->r_dst;</div> <div class="line"><a name="l00644"></a><span class="lineno"> 644</span> }</div> <div class="line"><a name="l00645"></a><span class="lineno"> 645</span> </div> <div class="line"><a name="l00646"></a><span class="lineno"> 646</span> <span class="keywordtype">int</span> rtnl_rule_set_iif(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keyword">const</span> <span class="keywordtype">char</span> *dev)</div> <div class="line"><a name="l00647"></a><span class="lineno"> 647</span> {</div> <div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="keywordflow">if</span> (strlen(dev) > IFNAMSIZ-1)</div> <div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keywordflow">return</span> -NLE_RANGE;</div> <div class="line"><a name="l00650"></a><span class="lineno"> 650</span> </div> <div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  strcpy(rule->r_iifname, dev);</div> <div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  rule->ce_mask |= RULE_ATTR_IIFNAME;</div> <div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="keywordflow">return</span> 0;</div> <div class="line"><a name="l00654"></a><span class="lineno"> 654</span> }</div> <div class="line"><a name="l00655"></a><span class="lineno"> 655</span> </div> <div class="line"><a name="l00656"></a><span class="lineno"> 656</span> <span class="keywordtype">char</span> *rtnl_rule_get_iif(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00657"></a><span class="lineno"> 657</span> {</div> <div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keywordflow">if</span> (rule->ce_mask & RULE_ATTR_IIFNAME)</div> <div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keywordflow">return</span> rule->r_iifname;</div> <div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="keywordflow">else</span></div> <div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keywordflow">return</span> NULL;</div> <div class="line"><a name="l00662"></a><span class="lineno"> 662</span> }</div> <div class="line"><a name="l00663"></a><span class="lineno"> 663</span> </div> <div class="line"><a name="l00664"></a><span class="lineno"> 664</span> <span class="keywordtype">int</span> rtnl_rule_set_oif(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keyword">const</span> <span class="keywordtype">char</span> *dev)</div> <div class="line"><a name="l00665"></a><span class="lineno"> 665</span> {</div> <div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="keywordflow">if</span> (strlen(dev) > IFNAMSIZ-1)</div> <div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="keywordflow">return</span> -NLE_RANGE;</div> <div class="line"><a name="l00668"></a><span class="lineno"> 668</span> </div> <div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  strcpy(rule->r_oifname, dev);</div> <div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  rule->ce_mask |= RULE_ATTR_OIFNAME;</div> <div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <span class="keywordflow">return</span> 0;</div> <div class="line"><a name="l00672"></a><span class="lineno"> 672</span> }</div> <div class="line"><a name="l00673"></a><span class="lineno"> 673</span> </div> <div class="line"><a name="l00674"></a><span class="lineno"> 674</span> <span class="keywordtype">char</span> *rtnl_rule_get_oif(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00675"></a><span class="lineno"> 675</span> {</div> <div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="keywordflow">if</span> (rule->ce_mask & RULE_ATTR_OIFNAME)</div> <div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">return</span> rule->r_oifname;</div> <div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="keywordflow">else</span></div> <div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keywordflow">return</span> NULL;</div> <div class="line"><a name="l00680"></a><span class="lineno"> 680</span> }</div> <div class="line"><a name="l00681"></a><span class="lineno"> 681</span> </div> <div class="line"><a name="l00682"></a><span class="lineno"> 682</span> <span class="keywordtype">void</span> rtnl_rule_set_action(<span class="keyword">struct</span> rtnl_rule *rule, uint8_t action)</div> <div class="line"><a name="l00683"></a><span class="lineno"> 683</span> {</div> <div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  rule->r_action = action;</div> <div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  rule->ce_mask |= RULE_ATTR_ACTION;</div> <div class="line"><a name="l00686"></a><span class="lineno"> 686</span> }</div> <div class="line"><a name="l00687"></a><span class="lineno"> 687</span> </div> <div class="line"><a name="l00688"></a><span class="lineno"> 688</span> uint8_t rtnl_rule_get_action(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00689"></a><span class="lineno"> 689</span> {</div> <div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordflow">return</span> rule->r_action;</div> <div class="line"><a name="l00691"></a><span class="lineno"> 691</span> }</div> <div class="line"><a name="l00692"></a><span class="lineno"> 692</span> </div> <div class="line"><a name="l00693"></a><span class="lineno"> 693</span> <span class="keywordtype">void</span> rtnl_rule_set_realms(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t realms)</div> <div class="line"><a name="l00694"></a><span class="lineno"> 694</span> {</div> <div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  rule->r_flow = realms;</div> <div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  rule->ce_mask |= RULE_ATTR_FLOW;</div> <div class="line"><a name="l00697"></a><span class="lineno"> 697</span> }</div> <div class="line"><a name="l00698"></a><span class="lineno"> 698</span> </div> <div class="line"><a name="l00699"></a><span class="lineno"> 699</span> uint32_t rtnl_rule_get_realms(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00700"></a><span class="lineno"> 700</span> {</div> <div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="keywordflow">return</span> rule->r_flow;</div> <div class="line"><a name="l00702"></a><span class="lineno"> 702</span> }</div> <div class="line"><a name="l00703"></a><span class="lineno"> 703</span> </div> <div class="line"><a name="l00704"></a><span class="lineno"> 704</span> <span class="keywordtype">void</span> rtnl_rule_set_goto(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t ref)</div> <div class="line"><a name="l00705"></a><span class="lineno"> 705</span> {</div> <div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  rule->r_goto = ref;</div> <div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  rule->ce_mask |= RULE_ATTR_GOTO;</div> <div class="line"><a name="l00708"></a><span class="lineno"> 708</span> }</div> <div class="line"><a name="l00709"></a><span class="lineno"> 709</span> </div> <div class="line"><a name="l00710"></a><span class="lineno"> 710</span> uint32_t rtnl_rule_get_goto(<span class="keyword">struct</span> rtnl_rule *rule)</div> <div class="line"><a name="l00711"></a><span class="lineno"> 711</span> {</div> <div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  <span class="keywordflow">return</span> rule->r_goto;</div> <div class="line"><a name="l00713"></a><span class="lineno"> 713</span> }</div> <div class="line"><a name="l00714"></a><span class="lineno"> 714</span> <span class="comment"></span></div> <div class="line"><a name="l00715"></a><span class="lineno"> 715</span> <span class="comment">/** @} */</span></div> <div class="line"><a name="l00716"></a><span class="lineno"> 716</span> </div> <div class="line"><a name="l00717"></a><span class="lineno"> 717</span> <span class="keyword">static</span> <span class="keyword">struct </span>nl_object_ops rule_obj_ops = {</div> <div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  .oo_name = <span class="stringliteral">"route/rule"</span>,</div> <div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  .oo_size = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>rtnl_rule),</div> <div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  .oo_free_data = rule_free_data,</div> <div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  .oo_clone = rule_clone,</div> <div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  .oo_dump = {</div> <div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  [<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a9709ad7bc10b7bd3c70df3f20346edc1" title="Dump object briefly on one line.">NL_DUMP_LINE</a>] = rule_dump_line,</div> <div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  [<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9ac026c3d5f94da73f82e0f796138a409e" title="Dump all attributes but no statistics.">NL_DUMP_DETAILS</a>] = rule_dump_details,</div> <div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  [<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a8ebedc55094df6175b84fb1230047a65" title="Dump all attributes including statistics.">NL_DUMP_STATS</a>] = rule_dump_stats,</div> <div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  },</div> <div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  .oo_compare = rule_compare,</div> <div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  .oo_attrs2str = rule_attrs2str,</div> <div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  .oo_id_attrs = ~0,</div> <div class="line"><a name="l00730"></a><span class="lineno"> 730</span> };</div> <div class="line"><a name="l00731"></a><span class="lineno"> 731</span> </div> <div class="line"><a name="l00732"></a><span class="lineno"> 732</span> <span class="keyword">static</span> <span class="keyword">struct </span>nl_cache_ops rtnl_rule_ops = {</div> <div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  .co_name = <span class="stringliteral">"route/rule"</span>,</div> <div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  .co_hdrsize = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>fib_rule_hdr),</div> <div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  .co_msgtypes = {</div> <div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  { RTM_NEWRULE, NL_ACT_NEW, <span class="stringliteral">"new"</span> },</div> <div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  { RTM_DELRULE, NL_ACT_DEL, <span class="stringliteral">"del"</span> },</div> <div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  { RTM_GETRULE, NL_ACT_GET, <span class="stringliteral">"get"</span> },</div> <div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  END_OF_MSGTYPES_LIST,</div> <div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  },</div> <div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  .co_protocol = NETLINK_ROUTE,</div> <div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  .co_request_update = rule_request_update,</div> <div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  .co_msg_parser = rule_msg_parser,</div> <div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  .co_obj_ops = &rule_obj_ops,</div> <div class="line"><a name="l00745"></a><span class="lineno"> 745</span> };</div> <div class="line"><a name="l00746"></a><span class="lineno"> 746</span> </div> <div class="line"><a name="l00747"></a><span class="lineno"> 747</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __init rule_init(<span class="keywordtype">void</span>)</div> <div class="line"><a name="l00748"></a><span class="lineno"> 748</span> {</div> <div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <a class="code" href="group__cache__mngt.html#ga390eeb1fa61634cf1c216792c6df63c3" title="Register a set of cache operations.">nl_cache_mngt_register</a>(&rtnl_rule_ops);</div> <div class="line"><a name="l00750"></a><span class="lineno"> 750</span> }</div> <div class="line"><a name="l00751"></a><span class="lineno"> 751</span> </div> <div class="line"><a name="l00752"></a><span class="lineno"> 752</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __exit rule_exit(<span class="keywordtype">void</span>)</div> <div class="line"><a name="l00753"></a><span class="lineno"> 753</span> {</div> <div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  <a class="code" href="group__cache__mngt.html#ga09f56b767b3868b7e0cf8559863dde77" title="Unregister a set of cache operations.">nl_cache_mngt_unregister</a>(&rtnl_rule_ops);</div> <div class="line"><a name="l00755"></a><span class="lineno"> 755</span> }</div> <div class="line"><a name="l00756"></a><span class="lineno"> 756</span> <span class="comment"></span></div> <div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="comment">/** @} */</span></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_97aefd0d527b934f1d99a682da8fe6a9.html">lib</a></li><li class="navelem"><a class="el" href="dir_6ea1c71b5c80bed88332ed2515f92a3e.html">route</a></li><li class="navelem"><b>rule.c</b></li> <li class="footer">Generated on Thu Jan 24 2013 14:39:29 for libnl by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.1.1 </li> </ul> </div> </body> </html>