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| <div class="title">su.hpp</div> </div> |
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| <a href="posix_2su_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</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">// http://www.apache.org/licenses/LICENSE-2.0</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">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifndef __STOUT_OS_POSIX_SU_HPP__</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span><span class="preprocessor">#define __STOUT_OS_POSIX_SU_HPP__</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <string></span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <errno.h></span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <grp.h></span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <limits.h></span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <pwd.h></span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <unistd.h></span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <sys/syscall.h></span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="error_8hpp.html">stout/error.hpp</a>></span></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="code" href="none_8hpp.html">stout/none.hpp</a>></span></div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>></span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="code" href="option_8hpp.html">stout/option.hpp</a>></span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="result_8hpp.html">stout/result.hpp</a>></span></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="try_8hpp.html">stout/try.hpp</a>></span></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="unreachable_8hpp.html">stout/unreachable.hpp</a>></span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>os {</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div> |
| <div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="namespaceos.html#ab20654c3bd05280d32833e654c61b1e4"> 40</a></span> <span class="keyword">inline</span> <a class="code" href="classResult.html">Result<uid_t></a> <a class="code" href="namespaceos.html#ab20654c3bd05280d32833e654c61b1e4">getuid</a>(<span class="keyword">const</span> <a class="code" href="classOption.html">Option<std::string></a>& <a class="code" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">user</a> = <a class="code" href="structNone.html">None</a>())</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> {</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">user</a>.isNone()) {</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="namespaceos.html#ab20654c3bd05280d32833e654c61b1e4">return ::getuid</a>();</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</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">struct </span><a class="code" href="structpasswd.html">passwd</a> passwd;</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">struct </span>passwd* result = <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">int</span> <a class="code" href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">size</a> = sysconf(_SC_GETPW_R_SIZE_MAX);</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (size == -1) {</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// Initial value for buffer size.</span></div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  size = 1024;</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">char</span>* buffer = <span class="keyword">new</span> <span class="keywordtype">char</span>[<a class="code" href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">size</a>];</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (getpwnam_r(<a class="code" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">user</a>.get().c_str(), &passwd, buffer, <a class="code" href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">size</a>, &result) == 0) {</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// The usual interpretation of POSIX is that getpwnam_r will</span></div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// return 0 but set result == nullptr if the user is not found.</span></div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (result == <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</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>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#afc544433253791fc5f87b8203c9b6e63">uid_t</a> uid = passwd.<a class="code" href="structpasswd.html#aa6e0e62ee3cf5152f2697a0104f627c1">pw_uid</a>;</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> uid;</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// RHEL7 (and possibly other systems) will return non-zero and</span></div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// set one of the following errors for "The given name or uid</span></div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// was not found." See 'man getpwnam_r'. We only check for the</span></div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// errors explicitly listed, and do not consider the ellipsis.</span></div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> (errno == ENOENT ||</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  errno == ESRCH ||</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  errno == EBADF ||</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  errno == EPERM) {</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (errno != ERANGE) {</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>(<span class="stringliteral">"Failed to get username information"</span>);</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// getpwnam_r set ERANGE so try again with a larger buffer.</span></div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  size *= 2;</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</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>  <a class="code" href="unreachable_8hpp.html#a0bc63b24b654ca433be7b97a3edde132">UNREACHABLE</a>();</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> |
| <div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="namespaceos.html#ae4b3b2f098e140e75c4bcc5dc15abf30"> 96</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#ae4b3b2f098e140e75c4bcc5dc15abf30">setuid</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#afc544433253791fc5f87b8203c9b6e63">uid_t</a> uid)</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>  <span class="keywordflow">if</span> (::<a class="code" href="namespaceos.html#ae4b3b2f098e140e75c4bcc5dc15abf30">setuid</a>(uid) == -1) {</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</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> </div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> }</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> </div> |
| <div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="namespaceos.html#a3d46f808886a786c2daab6eb1d81b206"> 106</a></span> <span class="keyword">inline</span> <a class="code" href="classResult.html">Result<gid_t></a> <a class="code" href="namespaceos.html#a3d46f808886a786c2daab6eb1d81b206">getgid</a>(<span class="keyword">const</span> <a class="code" href="classOption.html">Option<std::string></a>& <a class="code" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">user</a> = <a class="code" href="structNone.html">None</a>())</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> {</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">user</a>.isNone()) {</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="namespaceos.html#a3d46f808886a786c2daab6eb1d81b206">return ::getgid</a>();</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">struct </span><a class="code" href="structpasswd.html">passwd</a> passwd;</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">struct </span>passwd* result = <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">int</span> <a class="code" href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">size</a> = sysconf(_SC_GETPW_R_SIZE_MAX);</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (size == -1) {</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// Initial value for buffer size.</span></div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  size = 1024;</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">char</span>* buffer = <span class="keyword">new</span> <span class="keywordtype">char</span>[<a class="code" href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">size</a>];</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> (getpwnam_r(<a class="code" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">user</a>.get().c_str(), &passwd, buffer, <a class="code" href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">size</a>, &result) == 0) {</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// The usual interpretation of POSIX is that getpwnam_r will</span></div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// return 0 but set result == nullptr if the group is not found.</span></div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (result == <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a78ecefd3a9f3f0c110b9f6f038b690eb">gid_t</a> gid = passwd.<a class="code" href="structpasswd.html#aefbacfb7dc7f7f47313d08707253e4c6">pw_gid</a>;</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span> gid;</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// RHEL7 (and possibly other systems) will return non-zero and</span></div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// set one of the following errors for "The given name or uid</span></div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// was not found." See 'man getpwnam_r'. We only check for the</span></div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// errors explicitly listed, and do not consider the ellipsis.</span></div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (errno == ENOENT ||</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  errno == ESRCH ||</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  errno == EBADF ||</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  errno == EPERM) {</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</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>  <span class="keywordflow">if</span> (errno != ERANGE) {</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>(<span class="stringliteral">"Failed to get username information"</span>);</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// getpwnam_r set ERANGE so try again with a larger buffer.</span></div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  size *= 2;</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</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>  <a class="code" href="unreachable_8hpp.html#a0bc63b24b654ca433be7b97a3edde132">UNREACHABLE</a>();</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> }</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"><a class="line" href="namespaceos.html#a34d621fcc9ff30cfe4869b40644a3b2b"> 162</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#a34d621fcc9ff30cfe4869b40644a3b2b">setgid</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a78ecefd3a9f3f0c110b9f6f038b690eb">gid_t</a> gid)</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> {</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (::<a class="code" href="namespaceos.html#a34d621fcc9ff30cfe4869b40644a3b2b">setgid</a>(gid) == -1) {</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</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>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span> }</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div> |
| <div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="namespaceos.html#a5f12facb4a752145ca6b7657bb6b35e7"> 172</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<std::vector<gid_t></a>> <a class="code" href="namespaceos.html#a5f12facb4a752145ca6b7657bb6b35e7">getgrouplist</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">user</a>)</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>  <span class="comment">// TODO(jieyu): Consider adding a 'gid' parameter and avoid calling</span></div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// getgid here. In some cases, the primary gid might be known.</span></div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="classResult.html">Result<gid_t></a> gid = <a class="code" href="namespaceos.html#a3d46f808886a786c2daab6eb1d81b206">os::getgid</a>(user);</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">if</span> (!gid.<a class="code" href="classResult.html#a85eaa52037223d71092e65701c166562">isSome</a>()) {</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to get the gid of the user: "</span> +</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  (gid.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>() ? gid.<a class="code" href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">error</a>() : <span class="stringliteral">"group not found"</span>));</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor">#ifdef __APPLE__</span></div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor"></span> <span class="comment">// TODO(gilbert): Instead of setting 'ngroups' as a large value,</span></div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// we should figure out a way to probe 'ngroups' on OS X. Currently</span></div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// neither '_SC_NGROUPS_MAX' nor 'NGROUPS_MAX' is appropriate,</span></div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// because both are fixed as 16 on Darwin kernel, which is the</span></div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// cache size.</span></div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordtype">int</span> ngroups = 65536;</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">int</span> gids[ngroups];</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor">#else</span></div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor"></span> <span class="keywordtype">int</span> ngroups = NGROUPS_MAX;</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a78ecefd3a9f3f0c110b9f6f038b690eb">gid_t</a> gids[ngroups];</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (::<a class="code" href="namespaceos.html#a5f12facb4a752145ca6b7657bb6b35e7">getgrouplist</a>(user.c_str(), gid.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>(), gids, &ngroups) == -1) {</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</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">return</span> std::vector<gid_t>(gids, gids + ngroups);</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span> }</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div> |
| <div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="namespaceos.html#a84b1082a4cacbb147c1ded91d860b4b5"> 202</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#a84b1082a4cacbb147c1ded91d860b4b5">setgroups</a>(</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">const</span> std::vector<gid_t>& gids,</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option<uid_t></a>& uid = <a class="code" href="structNone.html">None</a>())</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="keywordtype">int</span> ngroups = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(gids.size());</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a78ecefd3a9f3f0c110b9f6f038b690eb">gid_t</a> _gids[ngroups];</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">for</span> (<span class="keywordtype">int</span> i = 0; i < ngroups; i++) {</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  _gids[i] = gids[i];</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> </div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor">#ifdef __APPLE__</span></div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor"></span> <span class="comment">// Cannot simply call 'setgroups' here because it only updates</span></div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="comment">// the list of groups in kernel cache, but not the ones in</span></div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="comment">// opendirectoryd. Darwin kernel caches part of the groups in</span></div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// kernel, and the rest in opendirectoryd.</span></div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// For more detail please see:</span></div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// https://github.com/practicalswift/osx/blob/master/src/samba/patches/support-darwin-initgroups-syscall // NOLINT</span></div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordtype">int</span> maxgroups = sysconf(_SC_NGROUPS_MAX);</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">if</span> (maxgroups == -1) {</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to get sysconf(_SC_NGROUPS_MAX)"</span>);</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  }</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (ngroups > maxgroups) {</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  ngroups = maxgroups;</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</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> (uid.isNone()) {</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="stringliteral">"The uid of the user who is associated with the group "</span></div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="stringliteral">"list we are setting is missing"</span>);</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</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>  <span class="comment">// NOTE: By default, the maxgroups on Darwin kernel is fixed</span></div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// as 16. If we have more than 16 gids to set for a specific</span></div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="comment">// user, then SYS_initgroups would send up to 16 of them to</span></div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="comment">// kernel cache, while the rest would still be performed</span></div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// correctly by the kernel (asking Directory Service to resolve</span></div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// the groups membership).</span></div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">if</span> (::syscall(SYS_initgroups, ngroups, _gids, uid.get()) == -1) {</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor">#else</span></div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (::<a class="code" href="namespaceos.html#a84b1082a4cacbb147c1ded91d860b4b5">setgroups</a>(ngroups, _gids) == -1) {</div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span> }</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div> |
| <div class="line"><a name="l00254"></a><span class="lineno"><a class="line" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960"> 254</a></span> <span class="keyword">inline</span> <a class="code" href="classResult.html">Result<std::string></a> <a class="code" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">user</a>(<a class="code" href="classOption.html">Option<uid_t></a> uid = <a class="code" href="structNone.html">None</a>())</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span> {</div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">if</span> (uid.isNone()) {</div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  uid = <a class="code" href="namespaceos.html#ab20654c3bd05280d32833e654c61b1e4">::getuid</a>();</div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordtype">int</span> <a class="code" href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">size</a> = sysconf(_SC_GETPW_R_SIZE_MAX);</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (size == -1) {</div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// Initial value for buffer size.</span></div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  size = 1024;</div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">struct </span><a class="code" href="structpasswd.html">passwd</a> passwd;</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">struct </span>passwd* result = <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordtype">char</span>* buffer = <span class="keyword">new</span> <span class="keywordtype">char</span>[<a class="code" href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">size</a>];</div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">if</span> (getpwuid_r(uid.get(), &passwd, buffer, <a class="code" href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">size</a>, &result) == 0) {</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="comment">// getpwuid_r will return 0 but set result == nullptr if the uid is</span></div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// not found.</span></div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span> (result == <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  std::string <a class="code" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">user</a>(passwd.<a class="code" href="structpasswd.html#a6de92e6d2e3dd348ee82472d2b219556">pw_name</a>);</div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">user</a>;</div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">if</span> (errno != ERANGE) {</div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div> |
| <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div> |
| <div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div> |
| <div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// getpwuid_r set ERANGE so try again with a larger buffer.</span></div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  size *= 2;</div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keyword">delete</span>[] buffer;</div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</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> }</div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div> |
| <div class="line"><a name="l00296"></a><span class="lineno"><a class="line" href="namespaceos.html#acae67fc8bd809c609bf1ffb281d921c6"> 296</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#acae67fc8bd809c609bf1ffb281d921c6">su</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">user</a>)</div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span> {</div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="classResult.html">Result<gid_t></a> gid = <a class="code" href="namespaceos.html#a3d46f808886a786c2daab6eb1d81b206">os::getgid</a>(user);</div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">if</span> (gid.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>() || gid.<a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>()) {</div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to getgid: "</span> +</div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  (gid.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>() ? gid.<a class="code" href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">error</a>() : <span class="stringliteral">"unknown user"</span>));</div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (::<a class="code" href="namespaceos.html#a34d621fcc9ff30cfe4869b40644a3b2b">setgid</a>(gid.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>())) {</div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>(<span class="stringliteral">"Failed to set gid"</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> </div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// Set the supplementary group list. We ignore EPERM because</span></div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="comment">// performing a no-op call (switching to same group) still</span></div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// requires being privileged, unlike 'setgid' and 'setuid'.</span></div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">if</span> (::initgroups(user.c_str(), gid.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>()) == -1 && errno != EPERM) {</div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>(<span class="stringliteral">"Failed to set supplementary groups"</span>);</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> </div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <a class="code" href="classResult.html">Result<uid_t></a> uid = <a class="code" href="namespaceos.html#ab20654c3bd05280d32833e654c61b1e4">os::getuid</a>(user);</div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">if</span> (uid.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>() || uid.<a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>()) {</div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to getuid: "</span> +</div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  (uid.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>() ? uid.<a class="code" href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">error</a>() : <span class="stringliteral">"unknown user"</span>));</div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (::<a class="code" href="namespaceos.html#ae4b3b2f098e140e75c4bcc5dc15abf30">setuid</a>(uid.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>())) {</div> |
| <div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>(<span class="stringliteral">"Failed to setuid"</span>);</div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span> }</div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span> } <span class="comment">// namespace os {</span></div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span> </div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="preprocessor">#endif // __STOUT_OS_POSIX_SU_HPP__</span></div> |
| <div class="ttc" id="classResult_html_ac2cdc0db9f9d29a5bb2f1cf19c29da49"><div class="ttname"><a href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">Result::isNone</a></div><div class="ttdeci">bool isNone() const </div><div class="ttdef"><b>Definition:</b> result.hpp:109</div></div> |
| <div class="ttc" id="structNothing_html"><div class="ttname"><a href="structNothing.html">Nothing</a></div><div class="ttdef"><b>Definition:</b> nothing.hpp:16</div></div> |
| <div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:35</div></div> |
| <div class="ttc" id="classOption_html"><div class="ttname"><a href="classOption.html">Option< std::string ></a></div></div> |
| <div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> try.hpp:34</div></div> |
| <div class="ttc" id="classResult_html_a521adf96f5c27d26d6b1d580aae8aaee"><div class="ttname"><a href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">Result::error</a></div><div class="ttdeci">static Result< T > error(const std::string &message)</div><div class="ttdef"><b>Definition:</b> result.hpp:53</div></div> |
| <div class="ttc" id="namespaceos_html_a698aa27e5ea6b1dc1c190b978c2f7960"><div class="ttname"><a href="namespaceos.html#a698aa27e5ea6b1dc1c190b978c2f7960">os::user</a></div><div class="ttdeci">Result< std::string > user(Option< uid_t > uid=None())</div><div class="ttdef"><b>Definition:</b> su.hpp:254</div></div> |
| <div class="ttc" id="none_8hpp_html"><div class="ttname"><a href="none_8hpp.html">none.hpp</a></div></div> |
| <div class="ttc" id="classErrnoError_html"><div class="ttname"><a href="classErrnoError.html">ErrnoError</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:44</div></div> |
| <div class="ttc" id="structpasswd_html_aefbacfb7dc7f7f47313d08707253e4c6"><div class="ttname"><a href="structpasswd.html#aefbacfb7dc7f7f47313d08707253e4c6">passwd::pw_gid</a></div><div class="ttdeci">gid_t pw_gid</div><div class="ttdef"><b>Definition:</b> pwd.hpp:30</div></div> |
| <div class="ttc" id="result_8hpp_html"><div class="ttname"><a href="result_8hpp.html">result.hpp</a></div></div> |
| <div class="ttc" id="classResult_html"><div class="ttname"><a href="classResult.html">Result</a></div><div class="ttdef"><b>Definition:</b> result.hpp:40</div></div> |
| <div class="ttc" id="namespaceos_html_ab20654c3bd05280d32833e654c61b1e4"><div class="ttname"><a href="namespaceos.html#ab20654c3bd05280d32833e654c61b1e4">os::getuid</a></div><div class="ttdeci">Result< uid_t > getuid(const Option< std::string > &user=None())</div><div class="ttdef"><b>Definition:</b> su.hpp:40</div></div> |
| <div class="ttc" id="namespaceos_html_a5f12facb4a752145ca6b7657bb6b35e7"><div class="ttname"><a href="namespaceos.html#a5f12facb4a752145ca6b7657bb6b35e7">os::getgrouplist</a></div><div class="ttdeci">Try< std::vector< gid_t > > getgrouplist(const std::string &user)</div><div class="ttdef"><b>Definition:</b> su.hpp:172</div></div> |
| <div class="ttc" id="namespaceos_html_a84b1082a4cacbb147c1ded91d860b4b5"><div class="ttname"><a href="namespaceos.html#a84b1082a4cacbb147c1ded91d860b4b5">os::setgroups</a></div><div class="ttdeci">Try< Nothing > setgroups(const std::vector< gid_t > &gids, const Option< uid_t > &uid=None())</div><div class="ttdef"><b>Definition:</b> su.hpp:202</div></div> |
| <div class="ttc" id="structpasswd_html_a6de92e6d2e3dd348ee82472d2b219556"><div class="ttname"><a href="structpasswd.html#a6de92e6d2e3dd348ee82472d2b219556">passwd::pw_name</a></div><div class="ttdeci">char * pw_name</div><div class="ttdef"><b>Definition:</b> pwd.hpp:28</div></div> |
| <div class="ttc" id="namespaceos_html_a3d46f808886a786c2daab6eb1d81b206"><div class="ttname"><a href="namespaceos.html#a3d46f808886a786c2daab6eb1d81b206">os::getgid</a></div><div class="ttdeci">Result< gid_t > getgid(const Option< std::string > &user=None())</div><div class="ttdef"><b>Definition:</b> su.hpp:106</div></div> |
| <div class="ttc" id="nothing_8hpp_html"><div class="ttname"><a href="nothing_8hpp.html">nothing.hpp</a></div></div> |
| <div class="ttc" id="namespaceos_html_a34d621fcc9ff30cfe4869b40644a3b2b"><div class="ttname"><a href="namespaceos.html#a34d621fcc9ff30cfe4869b40644a3b2b">os::setgid</a></div><div class="ttdeci">Try< Nothing > setgid(gid_t gid)</div><div class="ttdef"><b>Definition:</b> su.hpp:162</div></div> |
| <div class="ttc" id="structpasswd_html_aa6e0e62ee3cf5152f2697a0104f627c1"><div class="ttname"><a href="structpasswd.html#aa6e0e62ee3cf5152f2697a0104f627c1">passwd::pw_uid</a></div><div class="ttdeci">uid_t pw_uid</div><div class="ttdef"><b>Definition:</b> pwd.hpp:29</div></div> |
| <div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_afc544433253791fc5f87b8203c9b6e63"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#afc544433253791fc5f87b8203c9b6e63">uid_t</a></div><div class="ttdeci">int uid_t</div><div class="ttdef"><b>Definition:</b> windows.hpp:172</div></div> |
| <div class="ttc" id="namespaceos_html_acae67fc8bd809c609bf1ffb281d921c6"><div class="ttname"><a href="namespaceos.html#acae67fc8bd809c609bf1ffb281d921c6">os::su</a></div><div class="ttdeci">Try< Nothing > su(const std::string &user)</div><div class="ttdef"><b>Definition:</b> su.hpp:296</div></div> |
| <div class="ttc" id="classResult_html_aedf79f3b14dcda5791b84a64ada4d412"><div class="ttname"><a href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">Result::get</a></div><div class="ttdeci">const T & get() const </div><div class="ttdef"><b>Definition:</b> result.hpp:112</div></div> |
| <div class="ttc" id="option_8hpp_html"><div class="ttname"><a href="option_8hpp.html">option.hpp</a></div></div> |
| <div class="ttc" id="namespaceos_1_1stat_html_aac17a91dd3f91341b8c4021025e89b04"><div class="ttname"><a href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">os::stat::size</a></div><div class="ttdeci">Try< Bytes > size(const std::string &path, const FollowSymlink follow=FOLLOW_SYMLINK)</div><div class="ttdef"><b>Definition:</b> stat.hpp:79</div></div> |
| <div class="ttc" id="unreachable_8hpp_html_a0bc63b24b654ca433be7b97a3edde132"><div class="ttname"><a href="unreachable_8hpp.html#a0bc63b24b654ca433be7b97a3edde132">UNREACHABLE</a></div><div class="ttdeci">#define UNREACHABLE()</div><div class="ttdef"><b>Definition:</b> unreachable.hpp:22</div></div> |
| <div class="ttc" id="structpasswd_html"><div class="ttname"><a href="structpasswd.html">passwd</a></div><div class="ttdef"><b>Definition:</b> pwd.hpp:26</div></div> |
| <div class="ttc" id="error_8hpp_html"><div class="ttname"><a href="error_8hpp.html">error.hpp</a></div></div> |
| <div class="ttc" id="structNone_html"><div class="ttname"><a href="structNone.html">None</a></div><div class="ttdef"><b>Definition:</b> none.hpp:27</div></div> |
| <div class="ttc" id="try_8hpp_html"><div class="ttname"><a href="try_8hpp.html">try.hpp</a></div></div> |
| <div class="ttc" id="classResult_html_a85eaa52037223d71092e65701c166562"><div class="ttname"><a href="classResult.html#a85eaa52037223d71092e65701c166562">Result::isSome</a></div><div class="ttdeci">bool isSome() const </div><div class="ttdef"><b>Definition:</b> result.hpp:108</div></div> |
| <div class="ttc" id="classResult_html_aeca16ad17d299ad885c9b46c83b12a3d"><div class="ttname"><a href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">Result::isError</a></div><div class="ttdeci">bool isError() const </div><div class="ttdef"><b>Definition:</b> result.hpp:110</div></div> |
| <div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_a78ecefd3a9f3f0c110b9f6f038b690eb"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a78ecefd3a9f3f0c110b9f6f038b690eb">gid_t</a></div><div class="ttdeci">int gid_t</div><div class="ttdef"><b>Definition:</b> windows.hpp:173</div></div> |
| <div class="ttc" id="unreachable_8hpp_html"><div class="ttname"><a href="unreachable_8hpp.html">unreachable.hpp</a></div></div> |
| <div class="ttc" id="namespaceos_html_ae4b3b2f098e140e75c4bcc5dc15abf30"><div class="ttname"><a href="namespaceos.html#ae4b3b2f098e140e75c4bcc5dc15abf30">os::setuid</a></div><div class="ttdeci">Try< Nothing > setuid(uid_t uid)</div><div class="ttdef"><b>Definition:</b> su.hpp:96</div></div> |
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