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<div class="title">Authentication<div class="ingroups"><a class="el" href="a00537.html">LibTDS API</a></div></div> </div>
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<p>Functions for handling authentication.
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Collaboration diagram for Authentication:</div>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00741.html">asn1_der_iterator</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00737.html">mpz_t</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00701.html">names_blob_prefix_t</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00745.html">rsa_public_key</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00697.html">tds_answer</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00705.html">tds_ntlm_auth</a></td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>dump</b>(b)   dumpl(b, sizeof(b))</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>dumpl</b>(b, l)   <a class="el" href="a00434.html#a79449d2f35a8acc8ed0585044f75524d">tdsdump_dump_buf</a>(TDS_DBG_INFO1, #b, b, l)</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>hash_func</b>   sha1</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>HAVE_GMP</b>   1</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>HAVE_NETTLE</b>   1</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>mpz_clear</b>(n)   gcry_mpi_release((n)->num)</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>mpz_init</b>(n)   do { (n)->num = NULL; } while(0)</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>mpz_powm</b>(w, n, e, m)   gcry_mpi_powm((w)->num, (n)->num, (e)->num, (m)->num);</td></tr>
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typedef void </td><td class="memItemRight" valign="bottom"><b>nettle_random_func</b>(void *ctx, size_t len, uint8_t *out)</td></tr>
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typedef struct <a class="el" href="a00697.html">tds_answer</a> </td><td class="memItemRight" valign="bottom"><b>TDSANSWER</b></td></tr>
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typedef struct <a class="el" href="a00705.html">tds_ntlm_auth</a> </td><td class="memItemRight" valign="bottom"><b>TDSNTLMAUTH</b></td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:ga726ca809ffd3d67ab4b8476646f26635"><td class="memItemLeft" align="right" valign="top"><a id="ga726ca809ffd3d67ab4b8476646f26635"></a>enum  </td><td class="memItemRight" valign="bottom">{ <b>ASN1_SEQUENCE</b> = ASN1_TAG_SEQUENCE
}</td></tr>
<tr class="separator:ga726ca809ffd3d67ab4b8476646f26635"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0411cd49bb5b71852cecd93bcbf0ca2d"><td class="memItemLeft" align="right" valign="top"><a id="ga0411cd49bb5b71852cecd93bcbf0ca2d"></a>enum  </td><td class="memItemRight" valign="bottom">{ <b>hash_len</b> = 20
}</td></tr>
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<tr class="memitem:gabed82baf7f470b522273a3e37c24c600"><td class="memItemLeft" align="right" valign="top"><a id="gabed82baf7f470b522273a3e37c24c600"></a>enum  </td><td class="memItemRight" valign="bottom">{ <b>key_size_max</b> = 1024
}</td></tr>
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<tr class="memitem:ga839838119fbbabd4dad596c5ad3ae983"><td class="memItemLeft" align="right" valign="top"><a id="ga839838119fbbabd4dad596c5ad3ae983"></a>enum  </td><td class="memItemRight" valign="bottom"><b>asn1_iterator_result</b> { <b>ASN1_ITERATOR_ERROR</b>,
<b>ASN1_ITERATOR_PRIMITIVE</b>,
<b>ASN1_ITERATOR_CONSTRUCTED</b>,
<b>ASN1_ITERATOR_END</b>
}</td></tr>
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static enum asn1_iterator_result </td><td class="memItemRight" valign="bottom"><b>asn1_der_iterator_first</b> (struct <a class="el" href="a00741.html">asn1_der_iterator</a> *der, int size, const void *der_buf)</td></tr>
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static enum asn1_iterator_result </td><td class="memItemRight" valign="bottom"><b>asn1_der_iterator_next</b> (struct <a class="el" href="a00741.html">asn1_der_iterator</a> *der)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>convert_to_upper</b> (char *buf, size_t len)</td></tr>
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static size_t </td><td class="memItemRight" valign="bottom"><b>convert_to_usc2le_string</b> (<a class="el" href="a01193.html">TDSSOCKET</a> *tds, const char *s, size_t len, char *out)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>fill_names_blob_prefix</b> (<a class="el" href="a00701.html">names_blob_prefix_t</a> *prefix)</td></tr>
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static unsigned char * </td><td class="memItemRight" valign="bottom"><b>make_lm_v2_response</b> (const unsigned char ntlm_v2_hash[16], const unsigned char *client_data, TDS_INT client_data_len, const unsigned char challenge[8])</td></tr>
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static TDSRET </td><td class="memItemRight" valign="bottom"><b>make_ntlm_hash</b> (<a class="el" href="a01193.html">TDSSOCKET</a> *tds, const char *passwd, unsigned char ntlm_hash[16])</td></tr>
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static TDSRET </td><td class="memItemRight" valign="bottom"><b>make_ntlm_v2_hash</b> (<a class="el" href="a01193.html">TDSSOCKET</a> *tds, const char *passwd, unsigned char ntlm_v2_hash[16])</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>memxor</b> (uint8_t *dest, const uint8_t *src, size_t len)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>mgf_mask</b> (uint8_t *dest, size_t dest_len, const uint8_t *mask, size_t mask_len)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>nettle_mpz_get_str_256</b> (unsigned length, uint8_t *s, const <a class="el" href="a00737.html">mpz_t</a> x)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>nettle_mpz_set_str_256_u</b> (<a class="el" href="a00737.html">mpz_t</a> x, unsigned length, const uint8_t *s)</td></tr>
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static int </td><td class="memItemRight" valign="bottom"><b>oaep_encrypt</b> (size_t key_size, void *random_ctx, nettle_random_func *random, size_t length, const uint8_t *message, <a class="el" href="a00737.html">mpz_t</a> m)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>rnd_func</b> (void *ctx, size_t len, uint8_t *out)</td></tr>
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static int </td><td class="memItemRight" valign="bottom"><b>rsa_encrypt_oaep</b> (const struct <a class="el" href="a00745.html">rsa_public_key</a> *key, void *random_ctx, nettle_random_func *random, size_t length, const uint8_t *message, <a class="el" href="a00737.html">mpz_t</a> gibberish)</td></tr>
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static const BIGNUM * </td><td class="memItemRight" valign="bottom"><b>rsa_get_n</b> (const RSA *rsa)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>rsa_public_key_clear</b> (struct <a class="el" href="a00745.html">rsa_public_key</a> *key)</td></tr>
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static int </td><td class="memItemRight" valign="bottom"><b>rsa_public_key_from_der_iterator</b> (struct <a class="el" href="a00745.html">rsa_public_key</a> *key, unsigned key_bits, struct <a class="el" href="a00741.html">asn1_der_iterator</a> *der)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>rsa_public_key_init</b> (struct <a class="el" href="a00745.html">rsa_public_key</a> *key)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>sha1</b> (uint8_t *hash, const void *data, size_t len)</td></tr>
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<a class="el" href="a01177.html">TDSAUTHENTICATION</a> * </td><td class="memItemRight" valign="bottom"><b>tds5_negotiate_get_auth</b> (<a class="el" href="a01193.html">TDSSOCKET</a> *tds)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>tds5_negotiate_set_msg_type</b> (<a class="el" href="a01193.html">TDSSOCKET</a> *tds, <a class="el" href="a01177.html">TDSAUTHENTICATION</a> *tds_auth, unsigned msg_type)</td></tr>
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static void * </td><td class="memItemRight" valign="bottom"><b>tds5_rsa_encrypt</b> (const void *key, size_t key_len, const void *nonce, size_t nonce_len, const char *pwd, size_t *em_size)</td></tr>
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static TDSRET </td><td class="memItemRight" valign="bottom"><b>tds7_send_auth</b> (<a class="el" href="a01193.html">TDSSOCKET</a> *tds, const unsigned char *challenge, TDS_UINT flags, const unsigned char *names_blob, TDS_INT names_blob_len)</td></tr>
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<tr class="memitem:ga4c76be38f4758db45be58f9de8ccdef0"><td class="memItemLeft" align="right" valign="top">static TDSRET </td><td class="memItemRight" valign="bottom"><a class="el" href="a00528.html#ga4c76be38f4758db45be58f9de8ccdef0">tds_answer_challenge</a> (<a class="el" href="a01193.html">TDSSOCKET</a> *tds, <a class="el" href="a01101.html">TDSLOGIN</a> *login, const unsigned char *challenge, TDS_UINT *flags, const unsigned char *names_blob, TDS_INT names_blob_len, <a class="el" href="a00697.html">TDSANSWER</a> *answer, unsigned char **ntlm_v2_response)</td></tr>
<tr class="memdesc:ga4c76be38f4758db45be58f9de8ccdef0"><td class="mdescLeft"> </td><td class="mdescRight">Crypt a given password using schema required for NTLMv1 or NTLM2 authentication. <a href="#ga4c76be38f4758db45be58f9de8ccdef0">More...</a><br /></td></tr>
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static TDSRET </td><td class="memItemRight" valign="bottom"><b>tds_answer_challenge_ntlmv2</b> (<a class="el" href="a01193.html">TDSSOCKET</a> *tds, <a class="el" href="a01101.html">TDSLOGIN</a> *login, const unsigned char *challenge, TDS_UINT *flags, const unsigned char *names_blob, TDS_INT names_blob_len, <a class="el" href="a00697.html">TDSANSWER</a> *answer, unsigned char **ntlm_v2_response)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>tds_convert_key</b> (const unsigned char *key_56, <a class="el" href="a00905.html">DES_KEY</a> *ks)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>tds_encrypt_answer</b> (const unsigned char *hash, const unsigned char *challenge, unsigned char *answer)</td></tr>
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static TDSRET </td><td class="memItemRight" valign="bottom"><b>tds_ntlm_free</b> (<a class="el" href="a01189.html">TDSCONNECTION</a> *conn, <a class="el" href="a01177.html">TDSAUTHENTICATION</a> *tds_auth)</td></tr>
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<tr class="memitem:ga679f2d22b4a4bdefe0fa475d63503778"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a01177.html">TDSAUTHENTICATION</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00528.html#ga679f2d22b4a4bdefe0fa475d63503778">tds_ntlm_get_auth</a> (<a class="el" href="a01193.html">TDSSOCKET</a> *tds)</td></tr>
<tr class="memdesc:ga679f2d22b4a4bdefe0fa475d63503778"><td class="mdescLeft"> </td><td class="mdescRight">Build a NTLMSPP packet to send to server. <a href="#ga679f2d22b4a4bdefe0fa475d63503778">More...</a><br /></td></tr>
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static TDSRET </td><td class="memItemRight" valign="bottom"><b>tds_ntlm_handle_next</b> (<a class="el" href="a01193.html">TDSSOCKET</a> *tds, struct <a class="el" href="a01177.html">tds_authentication</a> *auth, size_t len)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00528.html#ga73c98114ee9846fe7606de3862519e9d">unix_to_nt_time</a> (TDS_UINT8 *nt, struct timeval *tv)</td></tr>
<tr class="memdesc:ga73c98114ee9846fe7606de3862519e9d"><td class="mdescLeft"> </td><td class="mdescRight">put a 8 byte filetime from a time_t This takes GMT as input <br /></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
Variables</h2></td></tr>
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static const char </td><td class="memItemRight" valign="bottom"><b>label</b> [] = ""</td></tr>
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static const unsigned char </td><td class="memItemRight" valign="bottom"><b>ntlm_id</b> [] = "NTLMSSP"</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Functions for handling authentication. </p>
<h2 class="groupheader">Function Documentation</h2>
<a id="ga4c76be38f4758db45be58f9de8ccdef0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga4c76be38f4758db45be58f9de8ccdef0">§ </a></span>tds_answer_challenge()</h2>
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<td class="memname">static TDSRET tds_answer_challenge </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a01193.html">TDSSOCKET</a> * </td>
<td class="paramname"><em>tds</em>, </td>
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<td class="paramtype"><a class="el" href="a01101.html">TDSLOGIN</a> * </td>
<td class="paramname"><em>login</em>, </td>
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<td class="paramtype">const unsigned char * </td>
<td class="paramname"><em>challenge</em>, </td>
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<td class="paramtype">TDS_UINT * </td>
<td class="paramname"><em>flags</em>, </td>
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<td class="paramtype">const unsigned char * </td>
<td class="paramname"><em>names_blob</em>, </td>
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<td class="paramtype">TDS_INT </td>
<td class="paramname"><em>names_blob_len</em>, </td>
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<td class="paramtype"><a class="el" href="a00697.html">TDSANSWER</a> * </td>
<td class="paramname"><em>answer</em>, </td>
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<td class="paramtype">unsigned char ** </td>
<td class="paramname"><em>ntlm_v2_response</em> </td>
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<td>)</td>
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<p>Crypt a given password using schema required for NTLMv1 or NTLM2 authentication. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">passwd</td><td>clear text domain password </td></tr>
<tr><td class="paramname">challenge</td><td>challenge data given by server </td></tr>
<tr><td class="paramname">flags</td><td>NTLM flags from server side </td></tr>
<tr><td class="paramname">answer</td><td>buffer where to store crypted password </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#ga679f2d22b4a4bdefe0fa475d63503778">§ </a></span>tds_ntlm_get_auth()</h2>
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<td class="memname"><a class="el" href="a01177.html">TDSAUTHENTICATION</a>* tds_ntlm_get_auth </td>
<td>(</td>
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<td class="paramname"><em>tds</em></td><td>)</td>
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<p>Build a NTLMSPP packet to send to server. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">tds</td><td>A pointer to the TDSSOCKET structure managing a client/server operation. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>authentication info </dd></dl>
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