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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_f7308370ebb9c2ff76f3bdfe0748aabf.html">tds</a></li> </ul>
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<div class="title">sec_negotiate_gnutls.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* FreeTDS - Library of routines accessing Sybase and Microsoft databases</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2015 Frediano Ziglio</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 Library 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; either</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * version 2 of the License, or (at your option) any later version.</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"> * This library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Library General Public License for more details.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * You should have received a copy of the GNU Library General Public</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * License along with this library; if not, write to the</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330,</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * Boston, MA 02111-1307, USA.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <gnutls/gnutls.h></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <gnutls/crypto.h></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifdef HAVE_GNUTLS_ABSTRACT_H</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"># include <gnutls/abstract.h></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#if !defined(HAVE_NETTLE) || !defined(HAVE_GMP) || !defined(HAVE_GNUTLS_RND)</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"># include <gcrypt.h></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#endif</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">#ifndef HAVE_NETTLE</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"># include <libtasn1.h></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#ifdef HAVE_NETTLE</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"># include <nettle/asn1.h></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"># include <nettle/rsa.h></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"># include <nettle/bignum.h></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#ifndef HAVE_GNUTLS</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#error HAVE_GNUTLS not defines, this file should not be included</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#endif</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="comment">/* emulate GMP if not present */</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#ifndef HAVE_GMP</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#define HAVE_GMP 1</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="a00775.html"> 59</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  gcry_mpi_t num;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> } <a class="code" href="a00775.html">mpz_t</a>[1];</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#define mpz_powm(w,n,e,m) \</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"> gcry_mpi_powm((w)->num, (n)->num, (e)->num, (m)->num);</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#define mpz_init(n) do { (n)->num = NULL; } while(0)</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#define mpz_clear(n) gcry_mpi_release((n)->num)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#endif</span></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>  </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">/* emulate Nettle is not present */</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#ifndef HAVE_NETTLE</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#define HAVE_NETTLE 1</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">typedef</span> <span class="keywordtype">void</span> nettle_random_func(<span class="keywordtype">void</span> *ctx, <span class="keywordtype">size_t</span> len, uint8_t *out);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> nettle_mpz_set_str_256_u(<a class="code" href="a00775.html">mpz_t</a> x, <span class="keywordtype">unsigned</span> length, <span class="keyword">const</span> uint8_t *s)</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> {</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  gcry_mpi_scan(&x->num, GCRYMPI_FMT_USG, s, length, NULL);</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>  </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> nettle_mpz_get_str_256(<span class="keywordtype">unsigned</span> length, uint8_t *s, <span class="keyword">const</span> <a class="code" href="a00775.html">mpz_t</a> x)</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>  gcry_mpi_print(GCRYMPI_FMT_USG, s, length, NULL, x->num);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="a00779.html"> 89</a></span> <span class="keyword">struct </span><a class="code" href="a00779.html">asn1_der_iterator</a> {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, *data_end;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> length;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> type;</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> <span class="keyword">enum</span> asn1_iterator_result {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  ASN1_ITERATOR_ERROR,</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  ASN1_ITERATOR_PRIMITIVE,</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  ASN1_ITERATOR_CONSTRUCTED,</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  ASN1_ITERATOR_END,</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="keyword">enum</span> {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  ASN1_SEQUENCE = ASN1_TAG_SEQUENCE,</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"> 106</span> <span class="keyword">static</span> <span class="keyword">enum</span> asn1_iterator_result</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> asn1_der_iterator_next(<span class="keyword">struct</span> <a class="code" href="a00779.html">asn1_der_iterator</a> *der)</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> cls;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> tag;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">int</span> len;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">long</span> l;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (asn1_get_tag_der(der->data, der->data_end - der->data, &cls, &len, &tag) != ASN1_SUCCESS)</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> ASN1_ITERATOR_ERROR;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  der->type = tag;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  der->data += len;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  l = asn1_get_length_der(der->data, der->data_end - der->data, &len);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (l < 0)</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> ASN1_ITERATOR_ERROR;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  der->data += len;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  der->length = l;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (cls == ASN1_CLASS_STRUCTURED)</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> ASN1_ITERATOR_CONSTRUCTED;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> ASN1_ITERATOR_PRIMITIVE;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> }</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> <span class="keyword">static</span> <span class="keyword">enum</span> asn1_iterator_result</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> asn1_der_iterator_first(<span class="keyword">struct</span> <a class="code" href="a00779.html">asn1_der_iterator</a> *der, <span class="keywordtype">int</span> size, <span class="keyword">const</span> <span class="keywordtype">void</span> *der_buf)</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>  der->data = (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) der_buf;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  der->data_end = der->data + size;</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">return</span> asn1_der_iterator_next(der);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="a00783.html"> 137</a></span> <span class="keyword">struct </span><a class="code" href="a00783.html">rsa_public_key</a> {</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">unsigned</span> size;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="a00775.html">mpz_t</a> n, e;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> };</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> rsa_public_key_init(<span class="keyword">struct</span> <a class="code" href="a00783.html">rsa_public_key</a> *key)</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  key->size = 0;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  mpz_init(key->n);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  mpz_init(key->e);</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>  </div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> rsa_public_key_clear(<span class="keyword">struct</span> <a class="code" href="a00783.html">rsa_public_key</a> *key)</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>  mpz_clear(key->n);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  mpz_clear(key->e);</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> <span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> rsa_public_key_from_der_iterator(<span class="keyword">struct</span> <a class="code" href="a00783.html">rsa_public_key</a> *key, <span class="keywordtype">unsigned</span> key_bits, <span class="keyword">struct</span> <a class="code" href="a00779.html">asn1_der_iterator</a> *der)</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>  <span class="keyword">enum</span> asn1_iterator_result ret;</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>  ret = asn1_der_iterator_next(der);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (ret != ASN1_ITERATOR_PRIMITIVE || der->type != ASN1_TAG_INTEGER)</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  gcry_mpi_scan(&key->n->num, GCRYMPI_FMT_USG, der->data, der->length, NULL);</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  key->size = (gcry_mpi_get_nbits(key->n->num)+7)/8;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  der->data += der->length;</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>  ret = asn1_der_iterator_next(der);</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (ret != ASN1_ITERATOR_PRIMITIVE || der->type != ASN1_TAG_INTEGER)</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  gcry_mpi_scan(&key->e->num, GCRYMPI_FMT_USG, der->data, der->length, NULL);</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="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> sha1(uint8_t *hash, <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> len)</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>  gcry_md_hash_buffer(GCRY_MD_SHA1, hash, data, len);</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">#else</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> sha1(uint8_t *hash, <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> len)</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">struct </span>sha1_ctx ctx;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  sha1_init(&ctx);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  sha1_update(&ctx, len, (<span class="keyword">const</span> uint8_t *) data);</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  sha1_digest(&ctx, 20, hash);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  </div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> rnd_func(<span class="keywordtype">void</span> *ctx, <span class="keywordtype">size_t</span> len, uint8_t * out)</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>  tds_random_buffer(out, len);</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> }</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> <span class="preprocessor">#define dumpl(b,l) tdsdump_dump_buf(TDS_DBG_INFO1, #b, b, l)</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="preprocessor">#ifndef dumpl</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor">#define dumpl(b,l) do {} while(0)</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="preprocessor">#define dump(b) dumpl(b, sizeof(b))</span></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="comment">/* OAEP configuration parameters */</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor">#define hash_func sha1</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">enum</span> { hash_len = 20 }; <span class="comment">/* sha1 length */</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="keyword">enum</span> { key_size_max = 1024 }; <span class="comment">/* max key in bytes */</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> label[] = <span class="stringliteral">""</span>;</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="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> memxor(uint8_t *dest, <span class="keyword">const</span> uint8_t *src, <span class="keywordtype">size_t</span> len)</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="keywordtype">size_t</span> n;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">for</span> (n = 0; n < len; ++n)</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  dest[n] = dest[n] ^ src[n];</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> }</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> mgf_mask(uint8_t *dest, <span class="keywordtype">size_t</span> dest_len, <span class="keyword">const</span> uint8_t *mask, <span class="keywordtype">size_t</span> mask_len)</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">unsigned</span> n = 0;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  uint8_t hash[hash_len];</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  uint8_t seed[mask_len + 4];</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  </div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  memcpy(seed, mask, mask_len);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">/* we always have some data and check is done internally */</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">for</span> (;;) {</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  TDS_PUT_UA4BE(seed+mask_len, n);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  hash_func(hash, seed, <span class="keyword">sizeof</span>(seed));</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (dest_len <= hash_len) {</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  memxor(dest, hash, dest_len);</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</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>  memxor(dest, hash, hash_len);</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  dest += hash_len;</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  dest_len -= hash_len;</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  ++n;</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> }</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> <span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> oaep_encrypt(<span class="keywordtype">size_t</span> key_size, <span class="keywordtype">void</span> *random_ctx, nettle_random_func *random,</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordtype">size_t</span> length, <span class="keyword">const</span> uint8_t *message, <a class="code" href="a00775.html">mpz_t</a> m)</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> {</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">/* EM: 0x00 ROS (HASH 0x00.. 0x01 message) */</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  uint8_t all[1]; <span class="comment">/* zero but used to access all data */</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  uint8_t ros[hash_len];</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  uint8_t db[key_size_max - hash_len - 1];</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  } em;</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> db_len = key_size - hash_len - 1;</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  </div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">if</span> (length + hash_len * 2 + 2 > key_size)</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">/* Message too long for this key. */</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  </div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">/* create db */</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  memset(&em, 0, <span class="keyword">sizeof</span>(em));</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  hash_func(em.db, label, strlen(label));</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  em.all[key_size - length - 1] = 0x1;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  memcpy(em.all+(key_size - length), message, length);</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  dumpl(em.db, db_len);</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  </div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">/* create ros */</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  random(random_ctx, hash_len, em.ros);</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  dump(em.ros);</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="comment">/* mask db */</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  mgf_mask(em.db, db_len, em.ros, hash_len);</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  dumpl(em.db, db_len);</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="comment">/* mask ros */</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  mgf_mask(em.ros, hash_len, em.db, db_len);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  dump(em.ros);</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>  nettle_mpz_set_str_256_u(m, key_size, em.all);</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  </div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> }</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> rsa_encrypt_oaep(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="a00783.html">rsa_public_key</a> *key, <span class="keywordtype">void</span> *random_ctx, nettle_random_func *random,</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordtype">size_t</span> length, <span class="keyword">const</span> uint8_t *message, <a class="code" href="a00775.html">mpz_t</a> gibberish)</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="keywordflow">if</span> (!oaep_encrypt(key->size, random_ctx, random, length, message, gibberish))</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">return</span> 0;</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>  mpz_powm(gibberish, gibberish, key->e, key->n);</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">return</span> 1;</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"> 296</span> <span class="keyword">static</span> <span class="keywordtype">void</span>*</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> tds5_rsa_encrypt(<span class="keyword">const</span> <span class="keywordtype">void</span> *key, <span class="keywordtype">size_t</span> key_len, <span class="keyword">const</span> <span class="keywordtype">void</span> *nonce, <span class="keywordtype">size_t</span> nonce_len, <span class="keyword">const</span> <span class="keywordtype">char</span> *pwd, <span class="keywordtype">size_t</span> *em_size)</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> {</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <a class="code" href="a00775.html">mpz_t</a> p;</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  gnutls_datum_t pubkey_datum = { (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) key, key_len };</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keyword">struct </span><a class="code" href="a00779.html">asn1_der_iterator</a> der;</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keyword">struct </span><a class="code" href="a00783.html">rsa_public_key</a> pubkey;</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  uint8_t *message;</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordtype">size_t</span> message_len, pwd_len;</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  uint8_t *em = NULL;</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> der_buf[2048];</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">size_t</span> size = <span class="keyword">sizeof</span>(der_buf);</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>  mpz_init(p);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  rsa_public_key_init(&pubkey);</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>  pwd_len = strlen(pwd);</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  message_len = nonce_len + pwd_len;</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  message = tds_new(uint8_t, message_len);</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (!message)</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  memcpy(message, nonce, nonce_len);</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  memcpy(message + nonce_len, pwd, pwd_len);</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="comment">/* use nettle directly */</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">/* parse PEM, get DER */</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  ret = gnutls_pem_base64_decode(<span class="stringliteral">"RSA PUBLIC KEY"</span>, &pubkey_datum, der_buf, &size);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">if</span> (ret) {</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <a class="code" href="a00449.html#ab45c291105027e69836002e1dd586141">tdsdump_log</a>(TDS_DBG_ERROR, <span class="stringliteral">"Error %d decoding public key: %s\n"</span>, ret, gnutls_strerror(ret));</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">goto</span> error;</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  </div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="comment">/* get key with nettle using DER */</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  ret = asn1_der_iterator_first(&der, size, der_buf);</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (ret != ASN1_ITERATOR_CONSTRUCTED || der.type != ASN1_SEQUENCE) {</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <a class="code" href="a00449.html#ab45c291105027e69836002e1dd586141">tdsdump_log</a>(TDS_DBG_ERROR, <span class="stringliteral">"Invalid DER content\n"</span>);</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">goto</span> error;</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  }</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  </div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  ret = rsa_public_key_from_der_iterator(&pubkey, key_size_max * 8, &der);</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">if</span> (!ret) {</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <a class="code" href="a00449.html#ab45c291105027e69836002e1dd586141">tdsdump_log</a>(TDS_DBG_ERROR, <span class="stringliteral">"Invalid DER content\n"</span>);</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">goto</span> error;</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  }</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="comment">/* get password encrypted */</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  ret = rsa_encrypt_oaep(&pubkey, NULL, rnd_func, message_len, message, p);</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">if</span> (!ret) {</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <a class="code" href="a00449.html#ab45c291105027e69836002e1dd586141">tdsdump_log</a>(TDS_DBG_ERROR, <span class="stringliteral">"Error encrypting message\n"</span>);</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">goto</span> error;</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  }</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  </div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  em = tds_new(uint8_t, pubkey.size);</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  *em_size = pubkey.size;</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">if</span> (!em)</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">goto</span> error;</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  </div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  nettle_mpz_get_str_256(pubkey.size, em, p);</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  </div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <a class="code" href="a00449.html#a79449d2f35a8acc8ed0585044f75524d">tdsdump_dump_buf</a>(TDS_DBG_INFO1, <span class="stringliteral">"em"</span>, em, pubkey.size);</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> error:</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  free(message);</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  rsa_public_key_clear(&pubkey);</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  mpz_clear(p);</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">return</span> em;</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> }</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  </div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aa01107_html"><div class="ttname"><a href="a01107.html">tds_staticout_stream</a></div><div class="ttdoc">output stream to write data to a static buffer.</div><div class="ttdef"><b>Definition:</b> stream.h:92</div></div>
<div class="ttc" id="aa00449_html_a4da9eedb6322f7dfca89d5d89be7b374"><div class="ttname"><a href="a00449.html#a4da9eedb6322f7dfca89d5d89be7b374">tds_numeric_bytes_per_prec</a></div><div class="ttdeci">const int tds_numeric_bytes_per_prec[]</div><div class="ttdoc">The following little table is indexed by precision and will tell us the number of bytes required to s...</div><div class="ttdef"><b>Definition:</b> numeric.c:41</div></div>
<div class="ttc" id="aa01243_html_af900a7df4b6adae34d37233c3fb4cc99"><div class="ttname"><a href="a01243.html#af900a7df4b6adae34d37233c3fb4cc99">tds_freeze::pkt</a></div><div class="ttdeci">TDSPACKET * pkt</div><div class="ttdoc">first packet frozen</div><div class="ttdef"><b>Definition:</b> tds.h:1575</div></div>
<div class="ttc" id="aa01235_html_a0df77e05bf01c5e4c79a2b3c99b40666"><div class="ttname"><a href="a01235.html#a0df77e05bf01c5e4c79a2b3c99b40666">tds_socket::frozen_packets</a></div><div class="ttdeci">TDSPACKET * frozen_packets</div><div class="ttdoc">list of packets frozen, points to first one.</div><div class="ttdef"><b>Definition:</b> tds.h:1203</div></div>
<div class="ttc" id="aa01223_html"><div class="ttname"><a href="a01223.html">tds_packet</a></div><div class="ttdef"><b>Definition:</b> tds.h:1057</div></div>
<div class="ttc" id="aa00449_html_a16db200d2281f76fe46fc1cbe37ca9df"><div class="ttname"><a href="a00449.html#a16db200d2281f76fe46fc1cbe37ca9df">tds_set_state</a></div><div class="ttdeci">TDS_STATE tds_set_state(TDSSOCKET *tds, TDS_STATE state)</div><div class="ttdoc">Set state of TDS connection, with logging and checking.</div><div class="ttdef"><b>Definition:</b> util.c:58</div></div>
<div class="ttc" id="aa01091_html_a5ba4ad38fdcb68e7d0c7252be65a4ecc"><div class="ttname"><a href="a01091.html#a5ba4ad38fdcb68e7d0c7252be65a4ecc">tds_output_stream::buffer</a></div><div class="ttdeci">char * buffer</div><div class="ttdoc">write buffer.</div><div class="ttdef"><b>Definition:</b> stream.h:50</div></div>
<div class="ttc" id="aa00566_html_ga5f351a208e7aa13b4cc2d32cac8fc0fa"><div class="ttname"><a href="a00566.html#ga5f351a208e7aa13b4cc2d32cac8fc0fa">tds_dstr_cstr</a></div><div class="ttdeci">static const char * tds_dstr_cstr(const DSTR *s)</div><div class="ttdoc">Returns a C version (NUL terminated string) of dstr.</div><div class="ttdef"><b>Definition:</b> string.h:78</div></div>
<div class="ttc" id="aa01051_html"><div class="ttname"><a href="a01051.html">tdsmoney</a></div><div class="ttdef"><b>Definition:</b> proto.h:39</div></div>
<div class="ttc" id="aa01143_html_a411a965cbfdb05e69b6da62a30531bb2"><div class="ttname"><a href="a01143.html#a411a965cbfdb05e69b6da62a30531bb2">tds_login::password</a></div><div class="ttdeci">DSTR password</div><div class="ttdoc">password of account login</div><div class="ttdef"><b>Definition:</b> tds.h:535</div></div>
<div class="ttc" id="aa01235_html_a9d1b4fc8e1e801fdc703ee7bb68d9838"><div class="ttname"><a href="a01235.html#a9d1b4fc8e1e801fdc703ee7bb68d9838">tds_socket::in_pos</a></div><div class="ttdeci">unsigned in_pos</div><div class="ttdoc">current position in in_buf</div><div class="ttdef"><b>Definition:</b> tds.h:1192</div></div>
<div class="ttc" id="aa00564_html_ga528cc96da09c11bc2930daae64e33e83"><div class="ttname"><a href="a00564.html#ga528cc96da09c11bc2930daae64e33e83">tds_freeze_written</a></div><div class="ttdeci">size_t tds_freeze_written(TDSFREEZE *freeze)</div><div class="ttdoc">Compute how many bytes has been written from freeze.</div><div class="ttdef"><b>Definition:</b> packet.c:935</div></div>
<div class="ttc" id="aa00449_html"><div class="ttname"><a href="a00449.html">tds.h</a></div><div class="ttdoc">Main include file for libtds.</div></div>
<div class="ttc" id="aa01231_html_a17b3352a5f14239b2eecc4fc272bfe2a"><div class="ttname"><a href="a01231.html#a17b3352a5f14239b2eecc4fc272bfe2a">tds_connection::env</a></div><div class="ttdeci">TDSENV env</div><div class="ttdoc">environment is shared between all sessions</div><div class="ttdef"><b>Definition:</b> tds.h:1101</div></div>
<div class="ttc" id="aa00779_html"><div class="ttname"><a href="a00779.html">asn1_der_iterator</a></div><div class="ttdef"><b>Definition:</b> sec_negotiate_gnutls.h:89</div></div>
<div class="ttc" id="aa01235_html_a00c22eeebbdb781ab7b9d5e8403e451e"><div class="ttname"><a href="a01235.html#a00c22eeebbdb781ab7b9d5e8403e451e">tds_socket::login</a></div><div class="ttdeci">TDSLOGIN * login</div><div class="ttdoc">config for login stuff.</div><div class="ttdef"><b>Definition:</b> tds.h:1258</div></div>
<div class="ttc" id="aa00564_html_gad70d59fb317d098b0c9fd29dd77131a8"><div class="ttname"><a href="a00564.html#gad70d59fb317d098b0c9fd29dd77131a8">tds_unget_byte</a></div><div class="ttdeci">void tds_unget_byte(TDSSOCKET *tds)</div><div class="ttdoc">Unget will always work as long as you don't call it twice in a row.</div><div class="ttdef"><b>Definition:</b> read.c:89</div></div>
<div class="ttc" id="aa01235_html_ad6b5121e435d22d640a645b98833cb9d"><div class="ttname"><a href="a01235.html#ad6b5121e435d22d640a645b98833cb9d">tds_socket::out_buf</a></div><div class="ttdeci">unsigned char * out_buf</div><div class="ttdoc">Output buffer.</div><div class="ttdef"><b>Definition:</b> tds.h:1185</div></div>
<div class="ttc" id="aa00564_html_ga7274d9c5dc75c58bb7d1f1c29e03a73e"><div class="ttname"><a href="a00564.html#ga7274d9c5dc75c58bb7d1f1c29e03a73e">tds_freeze_abort</a></div><div class="ttdeci">TDSRET tds_freeze_abort(TDSFREEZE *freeze)</div><div class="ttdoc">Discard all data written after the freeze.</div><div class="ttdef"><b>Definition:</b> packet.c:961</div></div>
<div class="ttc" id="aa00564_html_ga2660b893ae2bf36fe1b63b354e748bad"><div class="ttname"><a href="a00564.html#ga2660b893ae2bf36fe1b63b354e748bad">tds_freeze_close_len</a></div><div class="ttdeci">TDSRET tds_freeze_close_len(TDSFREEZE *freeze, int32_t size)</div><div class="ttdoc">Stop keeping data for this specific freeze.</div><div class="ttdef"><b>Definition:</b> packet.c:1031</div></div>
<div class="ttc" id="aa01235_html_a1c7c38af79f5845b90f19aaf5f63ce18"><div class="ttname"><a href="a01235.html#a1c7c38af79f5845b90f19aaf5f63ce18">tds_socket::send_packet</a></div><div class="ttdeci">TDSPACKET * send_packet</div><div class="ttdoc">packet we are preparing to send</div><div class="ttdef"><b>Definition:</b> tds.h:1231</div></div>
<div class="ttc" id="aa01235_html_a24c1995f6e8d0f9a5990998524b00b6b"><div class="ttname"><a href="a01235.html#a24c1995f6e8d0f9a5990998524b00b6b">tds_socket::in_buf</a></div><div class="ttdeci">unsigned char * in_buf</div><div class="ttdoc">Input buffer.</div><div class="ttdef"><b>Definition:</b> tds.h:1177</div></div>
<div class="ttc" id="aa00564_html_ga3e3f76009fce5ceedb2f42bb2c9aed2e"><div class="ttname"><a href="a00564.html#ga3e3f76009fce5ceedb2f42bb2c9aed2e">tds_close_socket</a></div><div class="ttdeci">void tds_close_socket(TDSSOCKET *tds)</div><div class="ttdoc">Close current socket.</div><div class="ttdef"><b>Definition:</b> net.c:548</div></div>
<div class="ttc" id="aa01223_html_aa9a66245e3c629a07111067cd1fdd0d4"><div class="ttname"><a href="a01223.html#aa9a66245e3c629a07111067cd1fdd0d4">tds_packet::data_len</a></div><div class="ttdeci">unsigned data_len</div><div class="ttdoc">data length, this does not account SMP header, only TDS part</div><div class="ttdef"><b>Definition:</b> tds.h:1071</div></div>
<div class="ttc" id="aa01243_html_ae857ba89e4d2b249da64e0e7287da962"><div class="ttname"><a href="a01243.html#ae857ba89e4d2b249da64e0e7287da962">tds_freeze::size_len</a></div><div class="ttdeci">unsigned size_len</div><div class="ttdoc">length size (0, 1, 2 or 4)</div><div class="ttdef"><b>Definition:</b> tds.h:1579</div></div>
<div class="ttc" id="aa00775_html"><div class="ttname"><a href="a00775.html">mpz_t</a></div><div class="ttdef"><b>Definition:</b> sec_negotiate_gnutls.h:59</div></div>
<div class="ttc" id="aa00431_html"><div class="ttname"><a href="a00431.html">poll.h</a></div><div class="ttdoc">Provide poll call where missing.</div></div>
<div class="ttc" id="aa01415_html_abc3a77c8aa28842e7f28583cbabc1415"><div class="ttname"><a href="a01415.html#abc3a77c8aa28842e7f28583cbabc1415">tds_datain_stream_init</a></div><div class="ttdeci">void tds_datain_stream_init(TDSDATAINSTREAM *stream, TDSSOCKET *tds, size_t wire_size)</div><div class="ttdoc">Initialize a data input stream.</div><div class="ttdef"><b>Definition:</b> stream.c:204</div></div>
<div class="ttc" id="aa01095_html"><div class="ttname"><a href="a01095.html">tds_datain_stream</a></div><div class="ttdoc">input stream to read data from tds protocol</div><div class="ttdef"><b>Definition:</b> stream.h:63</div></div>
<div class="ttc" id="aa00564_html_ga221e98a9c8be96ec6c8547891e1b53af"><div class="ttname"><a href="a00564.html#ga221e98a9c8be96ec6c8547891e1b53af">tds_peek</a></div><div class="ttdeci">unsigned char tds_peek(TDSSOCKET *tds)</div><div class="ttdoc">Reads a byte from the TDS stream without removing it.</div><div class="ttdef"><b>Definition:</b> read.c:100</div></div>
<div class="ttc" id="aa00566_html_ga0cd7863ba7c2d2da4a193234472a3d14"><div class="ttname"><a href="a00566.html#ga0cd7863ba7c2d2da4a193234472a3d14">tds_dstr_setlen</a></div><div class="ttdeci">DSTR * tds_dstr_setlen(DSTR *s, size_t length)</div><div class="ttdoc">limit length of string, MUST be <= current length</div><div class="ttdef"><b>Definition:</b> tdsstring.c:145</div></div>
<div class="ttc" id="aa01075_html"><div class="ttname"><a href="a01075.html">TDS72_SMP_HEADER</a></div><div class="ttdoc">TDS 7.2 SMP packet header.</div><div class="ttdef"><b>Definition:</b> proto.h:361</div></div>
<div class="ttc" id="aa00783_html"><div class="ttname"><a href="a00783.html">rsa_public_key</a></div><div class="ttdef"><b>Definition:</b> sec_negotiate_gnutls.h:137</div></div>
<div class="ttc" id="aa01175_html"><div class="ttname"><a href="a01175.html">tds_column</a></div><div class="ttdoc">Metadata about columns in regular and compute rows.</div><div class="ttdef"><b>Definition:</b> tds.h:689</div></div>
<div class="ttc" id="aa00983_html"><div class="ttname"><a href="a00983.html">tdsiconvinfo</a></div><div class="ttdef"><b>Definition:</b> iconv.h:92</div></div>
<div class="ttc" id="aa00564_html_ga8ab6c87318eaf15ea17a9575763f7809"><div class="ttname"><a href="a00564.html#ga8ab6c87318eaf15ea17a9575763f7809">tds_get_uint8</a></div><div class="ttdeci">TDS_UINT8 tds_get_uint8(TDSSOCKET *tds)</div><div class="ttdoc">Get an uint64 from the server.</div><div class="ttdef"><b>Definition:</b> read.c:140</div></div>
<div class="ttc" id="aa01231_html"><div class="ttname"><a href="a01231.html">tds_connection</a></div><div class="ttdef"><b>Definition:</b> tds.h:1091</div></div>
<div class="ttc" id="aa01095_html_a8101abd3e9e8d6f90b2ba2717bf7f926"><div class="ttname"><a href="a01095.html#a8101abd3e9e8d6f90b2ba2717bf7f926">tds_datain_stream::wire_size</a></div><div class="ttdeci">size_t wire_size</div><div class="ttdoc">bytes still to read</div><div class="ttdef"><b>Definition:</b> stream.h:65</div></div>
<div class="ttc" id="aa00564_html_ga0cb72d3f6943795c39db1fa692be0a58"><div class="ttname"><a href="a00564.html#ga0cb72d3f6943795c39db1fa692be0a58">tds_get_byte</a></div><div class="ttdeci">unsigned char tds_get_byte(TDSSOCKET *tds)</div><div class="ttdoc">Return a single byte from the input buffer.</div><div class="ttdef"><b>Definition:</b> read.c:72</div></div>
<div class="ttc" id="aa00564_html_gafae08056186b143f3ef1399307dc9be7"><div class="ttname"><a href="a00564.html#gafae08056186b143f3ef1399307dc9be7">tds_dstr_get</a></div><div class="ttdeci">DSTR * tds_dstr_get(TDSSOCKET *tds, DSTR *s, size_t len)</div><div class="ttdoc">Reads a string from wire and put in a DSTR.</div><div class="ttdef"><b>Definition:</b> read.c:293</div></div>
<div class="ttc" id="aa01235_html_a9bb663ee7c71f56f1602cbfcd993018c"><div class="ttname"><a href="a01235.html#a9bb663ee7c71f56f1602cbfcd993018c">tds_socket::out_flag</a></div><div class="ttdeci">unsigned char out_flag</div><div class="ttdoc">output buffer type</div><div class="ttdef"><b>Definition:</b> tds.h:1196</div></div>
<div class="ttc" id="aa01235_html_ae67d850cfbedf6b1e6b02111d4388d42"><div class="ttname"><a href="a01235.html#ae67d850cfbedf6b1e6b02111d4388d42">tds_socket::in_cancel</a></div><div class="ttdeci">volatile unsigned char in_cancel</div><div class="ttdoc">indicate we are waiting a cancel reply; discard tokens till acknowledge; 1 mean we have to send cance...</div><div class="ttdef"><b>Definition:</b> tds.h:1248</div></div>
<div class="ttc" id="aa00564_html_ga90f080e6e9448feac15dee1370d66802"><div class="ttname"><a href="a00564.html#ga90f080e6e9448feac15dee1370d66802">tds_get_string</a></div><div class="ttdeci">size_t tds_get_string(TDSSOCKET *tds, size_t string_len, char *dest, size_t dest_size)</div><div class="ttdoc">Fetch a string from the wire.</div><div class="ttdef"><b>Definition:</b> read.c:166</div></div>
<div class="ttc" id="aa01155_html"><div class="ttname"><a href="a01155.html">tds_blob</a></div><div class="ttdoc">Information about blobs (e.g.</div><div class="ttdef"><b>Definition:</b> tds.h:593</div></div>
<div class="ttc" id="aa00564_html_ga410619783bdf2bb60b0f27a5578e0e07"><div class="ttname"><a href="a00564.html#ga410619783bdf2bb60b0f27a5578e0e07">tds_read_packet</a></div><div class="ttdeci">int tds_read_packet(TDSSOCKET *tds)</div><div class="ttdoc">Read in one 'packet' from the server.</div><div class="ttdef"><b>Definition:</b> packet.c:527</div></div>
<div class="ttc" id="aa01283_html"><div class="ttname"><a href="a01283.html">tds_dstr</a></div><div class="ttdoc">Structure to hold a string.</div><div class="ttdef"><b>Definition:</b> string.h:36</div></div>
<div class="ttc" id="aa01183_html"><div class="ttname"><a href="a01183.html">tds_result_info</a></div><div class="ttdoc">Hold information for any results.</div><div class="ttdef"><b>Definition:</b> tds.h:769</div></div>
<div class="ttc" id="aa00564_html_gad7aae89e32444ab30852fee056231403"><div class="ttname"><a href="a00564.html#gad7aae89e32444ab30852fee056231403">tds_select</a></div><div class="ttdeci">int tds_select(TDSSOCKET *tds, unsigned tds_sel, int timeout_seconds)</div><div class="ttdoc">Select on a socket until it's available or the timeout expires.</div><div class="ttdef"><b>Definition:</b> net.c:612</div></div>
<div class="ttc" id="aa01235_html_a0b6e65b9d00b3a4efbf78b2d866cca20"><div class="ttname"><a href="a01235.html#a0b6e65b9d00b3a4efbf78b2d866cca20">tds_socket::in_len</a></div><div class="ttdeci">unsigned in_len</div><div class="ttdoc">input buffer length</div><div class="ttdef"><b>Definition:</b> tds.h:1194</div></div>
<div class="ttc" id="aa01235_html_a426adbd80f29f477377e42e8f78d3ff0"><div class="ttname"><a href="a01235.html#a426adbd80f29f477377e42e8f78d3ff0">tds_socket::out_pos</a></div><div class="ttdeci">unsigned out_pos</div><div class="ttdoc">current position in out_buf</div><div class="ttdef"><b>Definition:</b> tds.h:1193</div></div>
<div class="ttc" id="aa01175_html_a2c2756c00a1099c82d4cfa4da2894672"><div class="ttname"><a href="a01175.html#a2c2756c00a1099c82d4cfa4da2894672">tds_column::column_size</a></div><div class="ttdeci">TDS_INT column_size</div><div class="ttdoc">maximun size of data.</div><div class="ttdef"><b>Definition:</b> tds.h:694</div></div>
<div class="ttc" id="aa00566_html_ga6aa14b8b717b51afcfb65bd55143689d"><div class="ttname"><a href="a00566.html#ga6aa14b8b717b51afcfb65bd55143689d">tds_dstr_alloc</a></div><div class="ttdeci">DSTR * tds_dstr_alloc(DSTR *s, size_t length)</div><div class="ttdoc">allocate space for length char</div><div class="ttdef"><b>Definition:</b> tdsstring.c:165</div></div>
<div class="ttc" id="aa00564_html_ga676c4dee6522815b16fdc8e448e43590"><div class="ttname"><a href="a00564.html#ga676c4dee6522815b16fdc8e448e43590">read_and_convert</a></div><div class="ttdeci">static size_t read_and_convert(TDSSOCKET *tds, TDSICONV *char_conv, size_t *wire_size, char *outbuf, size_t outbytesleft)</div><div class="ttdoc">For UTF-8 and similar, tds_iconv() may encounter a partial sequence when the chunk boundary is not al...</div><div class="ttdef"><b>Definition:</b> read.c:269</div></div>
<div class="ttc" id="aa00449_html_adfc186758f4c1856c01746b5436aff74"><div class="ttname"><a href="a00449.html#adfc186758f4c1856c01746b5436aff74">tds_put_tinyint</a></div><div class="ttdeci">#define tds_put_tinyint(tds, ti)</div><div class="ttdoc">Output a tinyint value.</div><div class="ttdef"><b>Definition:</b> tds.h:1469</div></div>
<div class="ttc" id="aa01415_html_a9d8eb43a81ff58ab423dce0ce95b9564"><div class="ttname"><a href="a01415.html#a9d8eb43a81ff58ab423dce0ce95b9564">tds_convert_stream</a></div><div class="ttdeci">TDSRET tds_convert_stream(TDSSOCKET *tds, TDSICONV *char_conv, TDS_ICONV_DIRECTION direction, TDSINSTREAM *istream, TDSOUTSTREAM *ostream)</div><div class="ttdoc">Reads and writes from a stream converting characters.</div><div class="ttdef"><b>Definition:</b> stream.c:71</div></div>
<div class="ttc" id="aa01175_html_ada14ba479a67762fc1bef78910ef4beb"><div class="ttname"><a href="a01175.html#ada14ba479a67762fc1bef78910ef4beb">tds_column::column_cur_size</a></div><div class="ttdeci">TDS_INT column_cur_size</div><div class="ttdoc">size written in variable (ie: char, text, binary).</div><div class="ttdef"><b>Definition:</b> tds.h:736</div></div>
<div class="ttc" id="aa01175_html_ab3afb8272401bdb51064cdf910334159"><div class="ttname"><a href="a01175.html#ab3afb8272401bdb51064cdf910334159">tds_column::char_conv</a></div><div class="ttdeci">TDSICONV * char_conv</div><div class="ttdoc">refers to previously allocated iconv information</div><div class="ttdef"><b>Definition:</b> tds.h:712</div></div>
<div class="ttc" id="aa00564_html_ga8d214089b6e97fc0da5e0be09f216d73"><div class="ttname"><a href="a00564.html#ga8d214089b6e97fc0da5e0be09f216d73">tds_get_char_data</a></div><div class="ttdeci">TDSRET tds_get_char_data(TDSSOCKET *tds, char *row_buffer, size_t wire_size, TDSCOLUMN *curcol)</div><div class="ttdoc">Fetch character data the wire.</div><div class="ttdef"><b>Definition:</b> read.c:195</div></div>
<div class="ttc" id="aa00449_html_abf18b98efef6ce2dc0b97d658a3a1918"><div class="ttname"><a href="a00449.html#abf18b98efef6ce2dc0b97d658a3a1918">tdserror</a></div><div class="ttdeci">int tdserror(const TDSCONTEXT *tds_ctx, TDSSOCKET *tds, int msgno, int errnum)</div><div class="ttdoc">Call the client library's error handler (for library-generated errors only)</div><div class="ttdef"><b>Definition:</b> util.c:321</div></div>
<div class="ttc" id="aa00449_html_a79449d2f35a8acc8ed0585044f75524d"><div class="ttname"><a href="a00449.html#a79449d2f35a8acc8ed0585044f75524d">tdsdump_dump_buf</a></div><div class="ttdeci">void tdsdump_dump_buf(const char *file, unsigned int level_line, const char *msg, const void *buf, size_t length)</div><div class="ttdoc">Dump the contents of data into the log file in a human readable format.</div><div class="ttdef"><b>Definition:</b> log.c:293</div></div>
<div class="ttc" id="aa00449_html_a87cdae58f91ebe9229206bf0628f8e33af087b64970a1fb35bbcf1bc6ea7a643d"><div class="ttname"><a href="a00449.html#a87cdae58f91ebe9229206bf0628f8e33af087b64970a1fb35bbcf1bc6ea7a643d">TDS_DEAD</a></div><div class="ttdeci">@ TDS_DEAD</div><div class="ttdoc">no connection</div><div class="ttdef"><b>Definition:</b> tds.h:795</div></div>
<div class="ttc" id="aa01243_html_a182ed346382edef2962aca11c7cabc22"><div class="ttname"><a href="a01243.html#a182ed346382edef2962aca11c7cabc22">tds_freeze::tds</a></div><div class="ttdeci">TDSSOCKET * tds</div><div class="ttdoc">which socket we refer to</div><div class="ttdef"><b>Definition:</b> tds.h:1573</div></div>
<div class="ttc" id="aa01219_html"><div class="ttname"><a href="a01219.html">tds_authentication</a></div><div class="ttdef"><b>Definition:</b> tds.h:1047</div></div>
<div class="ttc" id="aa00564_html_gae777dd57e8d1bb40349d7d7d8434fddf"><div class="ttname"><a href="a00564.html#gae777dd57e8d1bb40349d7d7d8434fddf">tds_get_n</a></div><div class="ttdeci">bool tds_get_n(TDSSOCKET *tds, void *dest, size_t need)</div><div class="ttdoc">Get N bytes from the buffer and return them in the already allocated space given to us.</div><div class="ttdef"><b>Definition:</b> read.c:230</div></div>
<div class="ttc" id="aa01235_html"><div class="ttname"><a href="a01235.html">tds_socket</a></div><div class="ttdoc">Information for a server connection.</div><div class="ttdef"><b>Definition:</b> tds.h:1163</div></div>
<div class="ttc" id="aa01235_html_a765e007b69a2e188c989f05a689f6a11"><div class="ttname"><a href="a01235.html#a765e007b69a2e188c989f05a689f6a11">tds_socket::in_flag</a></div><div class="ttdeci">unsigned char in_flag</div><div class="ttdoc">input buffer type</div><div class="ttdef"><b>Definition:</b> tds.h:1195</div></div>
<div class="ttc" id="aa01235_html_ae6fc66be718f3211fac3b835557e330e"><div class="ttname"><a href="a01235.html#ae6fc66be718f3211fac3b835557e330e">tds_socket::out_buf_max</a></div><div class="ttdeci">unsigned int out_buf_max</div><div class="ttdoc">Maximum size of packet pointed by out_buf.</div><div class="ttdef"><b>Definition:</b> tds.h:1191</div></div>
<div class="ttc" id="aa00564_html_ga5feb53554e8917a81bbbc332163a61fb"><div class="ttname"><a href="a00564.html#ga5feb53554e8917a81bbbc332163a61fb">tds_flush_packet</a></div><div class="ttdeci">TDSRET tds_flush_packet(TDSSOCKET *tds)</div><div class="ttdoc">Flush packet to server.</div><div class="ttdef"><b>Definition:</b> write.c:224</div></div>
<div class="ttc" id="aa01243_html_a99de10b997fb8a417d1ba7123957a720"><div class="ttname"><a href="a01243.html#a99de10b997fb8a417d1ba7123957a720">tds_freeze::pkt_pos</a></div><div class="ttdeci">unsigned pkt_pos</div><div class="ttdoc">position in pkt</div><div class="ttdef"><b>Definition:</b> tds.h:1577</div></div>
<div class="ttc" id="aa00564_html_ga633f62fb8e5310abfa42c02fba9c6500"><div class="ttname"><a href="a00564.html#ga633f62fb8e5310abfa42c02fba9c6500">tds_freeze_close</a></div><div class="ttdeci">TDSRET tds_freeze_close(TDSFREEZE *freeze)</div><div class="ttdoc">Stop keeping data for this specific freeze.</div><div class="ttdef"><b>Definition:</b> packet.c:996</div></div>
<div class="ttc" id="aa00564_html_ga6b2b012b999bd0a4f159fabc8d11a5bf"><div class="ttname"><a href="a00564.html#ga6b2b012b999bd0a4f159fabc8d11a5bf">tds_freeze</a></div><div class="ttdeci">void tds_freeze(TDSSOCKET *tds, TDSFREEZE *freeze, unsigned size_len)</div><div class="ttdoc">Stop writing to server and cache every packet not sending them to server.</div><div class="ttdef"><b>Definition:</b> packet.c:907</div></div>
<div class="ttc" id="aa01203_html_aaad54522a6e04122eba4c37a200d3f20"><div class="ttname"><a href="a01203.html#aaad54522a6e04122eba4c37a200d3f20">tds_env::block_size</a></div><div class="ttdeci">int block_size</div><div class="ttdoc">packet size (512-65535)</div><div class="ttdef"><b>Definition:</b> tds.h:965</div></div>
<div class="ttc" id="aa01175_html_a7f08ecedc5835a4e81129c6b2b493947"><div class="ttname"><a href="a01175.html#a7f08ecedc5835a4e81129c6b2b493947">tds_column::column_type</a></div><div class="ttdeci">TDS_SERVER_TYPE column_type</div><div class="ttdoc">This type can be different from wire type because conversion (e.g.</div><div class="ttdef"><b>Definition:</b> tds.h:696</div></div>
<div class="ttc" id="aa01415_html_a9fe0d3799d2e3bde49b614c9d0c3785d"><div class="ttname"><a href="a01415.html#a9fe0d3799d2e3bde49b614c9d0c3785d">tds_staticout_stream_init</a></div><div class="ttdeci">void tds_staticout_stream_init(TDSSTATICOUTSTREAM *stream, void *ptr, size_t len)</div><div class="ttdoc">Initialize an output stream for write into a static allocated buffer.</div><div class="ttdef"><b>Definition:</b> stream.c:313</div></div>
<div class="ttc" id="aa00564_html_ga9ac121c269e203337a48c5bf8afc48c3"><div class="ttname"><a href="a00564.html#ga9ac121c269e203337a48c5bf8afc48c3">tds_get_uint</a></div><div class="ttdeci">TDS_UINT tds_get_uint(TDSSOCKET *tds)</div><div class="ttdoc">Get an int32 from the server.</div><div class="ttdef"><b>Definition:</b> read.c:127</div></div>
<div class="ttc" id="aa00564_html_gad38aa5b9547817854ccba1fcc7855861"><div class="ttname"><a href="a00564.html#gad38aa5b9547817854ccba1fcc7855861">tds_get_usmallint</a></div><div class="ttdeci">TDS_USMALLINT tds_get_usmallint(TDSSOCKET *tds)</div><div class="ttdoc">Get an int16 from the server.</div><div class="ttdef"><b>Definition:</b> read.c:113</div></div>
<div class="ttc" id="aa01043_html"><div class="ttname"><a href="a01043.html">tdsnumeric</a></div><div class="ttdef"><b>Definition:</b> proto.h:26</div></div>
<div class="ttc" id="aa01243_html"><div class="ttname"><a href="a01243.html">tds_freeze</a></div><div class="ttdef"><b>Definition:</b> tds.h:1571</div></div>
<div class="ttc" id="aa00449_html_a622da936832b0337742da956be123719"><div class="ttname"><a href="a00449.html#a622da936832b0337742da956be123719">tds_numeric_to_string</a></div><div class="ttdeci">TDS_INT tds_numeric_to_string(const TDS_NUMERIC *numeric, char *s)</div><div class="ttdef"><b>Definition:</b> numeric.c:95</div></div>
<div class="ttc" id="aa00566_html_ga8fa35e3ff06ef0b7d0d642cf50282ab8"><div class="ttname"><a href="a00566.html#ga8fa35e3ff06ef0b7d0d642cf50282ab8">tds_dstr_buf</a></div><div class="ttdeci">static char * tds_dstr_buf(DSTR *s)</div><div class="ttdoc">Returns a buffer to edit the string.</div><div class="ttdef"><b>Definition:</b> string.h:71</div></div>
<div class="ttc" id="aa00449_html_ab45c291105027e69836002e1dd586141"><div class="ttname"><a href="a00449.html#ab45c291105027e69836002e1dd586141">tdsdump_log</a></div><div class="ttdeci">void tdsdump_log(const char *file, unsigned int level_line, const char *fmt,...)</div><div class="ttdoc">Write a message to the debug log.</div><div class="ttdef"><b>Definition:</b> log.c:396</div></div>
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