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66   <div class="section" id="krb5-cc-retrieve-cred-retrieve-a-specified-credentials-from-a-credential-cache">
67 <h1>krb5_cc_retrieve_cred -  Retrieve a specified credentials from a credential cache.<a class="headerlink" href="#krb5-cc-retrieve-cred-retrieve-a-specified-credentials-from-a-credential-cache" title="Permalink to this headline">¶</a></h1>
68 <dl class="function">
69 <dt id="c.krb5_cc_retrieve_cred">
70 <a class="reference internal" href="../types/krb5_error_code.html#c.krb5_error_code" title="krb5_error_code">krb5_error_code</a> <tt class="descname">krb5_cc_retrieve_cred</tt><big>(</big><a class="reference internal" href="../types/krb5_context.html#c.krb5_context" title="krb5_context">krb5_context</a><em>&nbsp;context</em>, <a class="reference internal" href="../types/krb5_ccache.html#c.krb5_ccache" title="krb5_ccache">krb5_ccache</a><em>&nbsp;cache</em>, <a class="reference internal" href="../types/krb5_flags.html#c.krb5_flags" title="krb5_flags">krb5_flags</a><em>&nbsp;flags</em>, <a class="reference internal" href="../types/krb5_creds.html#c.krb5_creds" title="krb5_creds">krb5_creds</a> *<em>&nbsp;mcreds</em>, <a class="reference internal" href="../types/krb5_creds.html#c.krb5_creds" title="krb5_creds">krb5_creds</a> *<em>&nbsp;creds</em><big>)</big><a class="headerlink" href="#c.krb5_cc_retrieve_cred" title="Permalink to this definition">¶</a></dt>
71 <dd></dd></dl>
72
73 <table class="docutils field-list" frame="void" rules="none">
74 <col class="field-name" />
75 <col class="field-body" />
76 <tbody valign="top">
77 <tr class="field-odd field"><th class="field-name">param:</th><td class="field-body"><p class="first"><strong>[in]</strong> <strong>context</strong> - Library context</p>
78 <p><strong>[in]</strong> <strong>cache</strong> - Credential cache handle</p>
79 <p><strong>[in]</strong> <strong>flags</strong> - Flags bit mask</p>
80 <p><strong>[in]</strong> <strong>mcreds</strong> - Credentials to match</p>
81 <p class="last"><strong>[out]</strong> <strong>creds</strong> - Credentials matching the requested value</p>
82 </td>
83 </tr>
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85 </table>
86 <table class="docutils field-list" frame="void" rules="none">
87 <col class="field-name" />
88 <col class="field-body" />
89 <tbody valign="top">
90 <tr class="field-odd field"><th class="field-name">retval:</th><td class="field-body"><ul class="first last simple">
91 <li>0   Success; otherwise - Kerberos error codes</li>
92 </ul>
93 </td>
94 </tr>
95 </tbody>
96 </table>
97 <p>This function searches a credential cache for credentials matching <em>mcreds</em> and returns it if found.</p>
98 <p>Valid values for <em>flags</em> are:</p>
99 <blockquote>
100 <div><blockquote>
101 <div><ul class="simple">
102 <li><a class="reference internal" href="../macros/KRB5_TC_MATCH_TIMES.html#KRB5_TC_MATCH_TIMES" title="KRB5_TC_MATCH_TIMES"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_TC_MATCH_TIMES</span></tt></a> The requested lifetime must be at least as great as in <em>mcreds</em> .</li>
103 <li><a class="reference internal" href="../macros/KRB5_TC_MATCH_IS_SKEY.html#KRB5_TC_MATCH_IS_SKEY" title="KRB5_TC_MATCH_IS_SKEY"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_TC_MATCH_IS_SKEY</span></tt></a> The <em>is_skey</em> field much match exactly.</li>
104 <li><a class="reference internal" href="../macros/KRB5_TC_MATCH_FLAGS.html#KRB5_TC_MATCH_FLAGS" title="KRB5_TC_MATCH_FLAGS"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_TC_MATCH_FLAGS</span></tt></a> Flags set in <em>mcreds</em> must be set.</li>
105 <li><a class="reference internal" href="../macros/KRB5_TC_MATCH_TIMES_EXACT.html#KRB5_TC_MATCH_TIMES_EXACT" title="KRB5_TC_MATCH_TIMES_EXACT"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_TC_MATCH_TIMES_EXACT</span></tt></a> The requested lifetime must match exactly.</li>
106 <li><a class="reference internal" href="../macros/KRB5_TC_MATCH_FLAGS_EXACT.html#KRB5_TC_MATCH_FLAGS_EXACT" title="KRB5_TC_MATCH_FLAGS_EXACT"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_TC_MATCH_FLAGS_EXACT</span></tt></a> Flags must match exactly.</li>
107 <li><a class="reference internal" href="../macros/KRB5_TC_MATCH_AUTHDATA.html#KRB5_TC_MATCH_AUTHDATA" title="KRB5_TC_MATCH_AUTHDATA"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_TC_MATCH_AUTHDATA</span></tt></a> The authorization data must match.</li>
108 <li><a class="reference internal" href="../macros/KRB5_TC_MATCH_SRV_NAMEONLY.html#KRB5_TC_MATCH_SRV_NAMEONLY" title="KRB5_TC_MATCH_SRV_NAMEONLY"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_TC_MATCH_SRV_NAMEONLY</span></tt></a> Only the name portion of the principal name must match, not the realm.</li>
109 <li><a class="reference internal" href="../macros/KRB5_TC_MATCH_2ND_TKT.html#KRB5_TC_MATCH_2ND_TKT" title="KRB5_TC_MATCH_2ND_TKT"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_TC_MATCH_2ND_TKT</span></tt></a> The second tickets must match.</li>
110 <li><a class="reference internal" href="../macros/KRB5_TC_MATCH_KTYPE.html#KRB5_TC_MATCH_KTYPE" title="KRB5_TC_MATCH_KTYPE"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_TC_MATCH_KTYPE</span></tt></a> The encryption key types must match.</li>
111 <li><a class="reference internal" href="../macros/KRB5_TC_SUPPORTED_KTYPES.html#KRB5_TC_SUPPORTED_KTYPES" title="KRB5_TC_SUPPORTED_KTYPES"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_TC_SUPPORTED_KTYPES</span></tt></a> Check all matching entries that have any supported encryption type and return the one with the encryption type listed earliest.</li>
112 </ul>
113 </div></blockquote>
114 <p>Use <a class="reference internal" href="krb5_free_cred_contents.html#c.krb5_free_cred_contents" title="krb5_free_cred_contents"><tt class="xref c c-func docutils literal"><span class="pre">krb5_free_cred_contents()</span></tt></a> to free <em>creds</em> when it is no longer needed.</p>
115 </div></blockquote>
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