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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*******************************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Delta Chat Core</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2017 Björn Petersen</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Contact: r10s@b44t.com, http://b44t.com</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * This program is free software: you can redistribute it and/or modify it under</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * the terms of the GNU General Public License as published by the Free Software</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Foundation, either version 3 of the License, or (at your option) any later</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * version.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * This program is distributed in the hope that it will be useful, but WITHOUT</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * details.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * You should have received a copy of the GNU General Public License along with</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * this program. If not, see http://www.gnu.org/licenses/ .</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> ******************************************************************************/</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "mrmailbox_internal.h"</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <memory.h></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "mrkey.h"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "mrpgp.h"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "mrtools.h"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</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="comment">/*******************************************************************************</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * Main interface</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> ******************************************************************************/</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> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keywordtype">void</span> mr_wipe_secret_mem(<span class="keywordtype">void</span>* buf, <span class="keywordtype">size_t</span> buf_bytes)</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">/* wipe private keys or othere secrets with zeros so that secrets are no longer in RAM */</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">if</span>( buf == NULL || buf_bytes <= 0 ) {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  memset(buf, 0x00, buf_bytes);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> }</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mrkey_empty(mrkey_t* ths) <span class="comment">/* only use before calling setters; take care when using this function together with reference counting, prefer new objects instead */</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">if</span>( ths == NULL ) {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span>( ths->m_type==MR_PRIVATE ) {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  mr_wipe_secret_mem(ths->m_binary, ths->m_bytes);</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> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  free(ths->m_binary);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  ths->m_binary = NULL;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  ths->m_bytes = 0;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  ths->m_type = MR_PUBLIC;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> mrkey_t* mrkey_new()</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> {</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  mrkey_t* ths;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span>( (ths=calloc(1, <span class="keyword">sizeof</span>(mrkey_t)))==NULL ) {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  exit(44); <span class="comment">/* cannot allocate little memory, unrecoverable error */</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>  ths->_m_heap_refcnt = 1;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> ths;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> }</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </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> mrkey_t* mrkey_ref(mrkey_t* ths)</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="keywordflow">if</span>( ths==NULL ) {</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">return</span> NULL;</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>  ths->_m_heap_refcnt++;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> ths;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keywordtype">void</span> mrkey_unref(mrkey_t* ths)</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span>( ths==NULL ) {</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  ths->_m_heap_refcnt--;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span>( ths->_m_heap_refcnt != 0 ) {</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  mrkey_empty(ths);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  free(ths);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> }</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </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> <span class="keywordtype">int</span> mrkey_set_from_raw(mrkey_t* ths, <span class="keyword">const</span> <span class="keywordtype">void</span>* data, <span class="keywordtype">int</span> bytes, <span class="keywordtype">int</span> type)</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> {</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  mrkey_empty(ths);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span>( ths==NULL || data==NULL || bytes <= 0 ) {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  ths->m_binary = malloc(bytes);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span>( ths->m_binary == NULL ) {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  exit(40);</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  memcpy(ths->m_binary, data, bytes);</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  ths->m_bytes = bytes;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  ths->m_type = type;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> }</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="keywordtype">int</span> mrkey_set_from_key(mrkey_t* ths, <span class="keyword">const</span> mrkey_t* o)</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  mrkey_empty(ths);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span>( ths==NULL || o==NULL ) {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> mrkey_set_from_raw(ths, o->m_binary, o->m_bytes, o->m_type);</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> }</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="keywordtype">int</span> mrkey_set_from_stmt(mrkey_t* ths, sqlite3_stmt* stmt, <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> type)</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> {</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  mrkey_empty(ths);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span>( ths==NULL || stmt==NULL ) {</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> 0;</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> mrkey_set_from_raw(ths, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)sqlite3_column_blob(stmt, index), sqlite3_column_bytes(stmt, index), type);</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"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keywordtype">int</span> mrkey_set_from_base64(mrkey_t* ths, <span class="keyword">const</span> <span class="keywordtype">char</span>* base64, <span class="keywordtype">int</span> type)</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> {</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">size_t</span> indx = 0, result_len = 0;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">char</span>* result = NULL;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  mrkey_empty(ths);</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>  <span class="keywordflow">if</span>( ths==NULL || base64==NULL ) {</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span>( mailmime_base64_body_parse(base64, strlen(base64), &indx, &result<span class="comment">/*must be freed using mmap_string_unref()*/</span>, &result_len)!=MAILIMF_NO_ERROR</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  || result == NULL || result_len == 0 ) {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">return</span> 0; <span class="comment">/* bad key */</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  mrkey_set_from_raw(ths, result, result_len, type);</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  mmap_string_unref(result);</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="keywordflow">return</span> 1;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> }</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keywordtype">int</span> mrkey_set_from_file(mrkey_t* ths, <span class="keyword">const</span> <span class="keywordtype">char</span>* pathNfilename, <a class="code" href="structmrmailbox__t.html">mrmailbox_t</a>* mailbox)</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> {</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">char</span>* buf = NULL;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">char</span> *p1, *p2; <span class="comment">/* just pointers inside buf, must not be freed */</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordtype">size_t</span> buf_bytes;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">int</span> type = -1, success = 0;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  mrkey_empty(ths);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span>( ths==NULL || pathNfilename==NULL ) {</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">goto</span> cleanup;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</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">if</span>( !mr_read_file(pathNfilename, (<span class="keywordtype">void</span>**)&buf, &buf_bytes, mailbox)</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  || buf_bytes < 50 ) {</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">goto</span> cleanup; <span class="comment">/* error is already loged */</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  mr_remove_cr_chars(buf); <span class="comment">/* make comparison easier */</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  mr_trim(buf);</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="keywordflow">if</span>( strncmp(buf, <span class="stringliteral">"-----BEGIN PGP PUBLIC KEY BLOCK-----\n"</span>, 37)==0 ) {</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">if</span>( mr_str_replace(&buf, <span class="stringliteral">"-----END PGP PUBLIC KEY BLOCK-----"</span>, <span class="stringliteral">""</span>)!=1 ) {</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  mrmailbox_log_warning(mailbox, 0, <span class="stringliteral">"Bad header for key \"%s\"."</span>, pathNfilename);</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">goto</span> cleanup;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  type = MR_PUBLIC;</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  p1 = buf + 37; <span class="comment">/* must be done after buf-pointer modification in mr_str_replace() */</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span>( strncmp(buf, <span class="stringliteral">"-----BEGIN PGP PRIVATE KEY BLOCK-----\n"</span>, 38)==0 ) {</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span>( mr_str_replace(&buf, <span class="stringliteral">"-----END PGP PRIVATE KEY BLOCK-----"</span>, <span class="stringliteral">""</span>)!=1 ) {</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  mrmailbox_log_warning(mailbox, 0, <span class="stringliteral">"Bad header for key \"%s\"."</span>, pathNfilename);</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">goto</span> cleanup;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  type = MR_PRIVATE;</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  p1 = buf + 38; <span class="comment">/* must be done after buf-pointer modification in mr_str_replace() */</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  mrmailbox_log_warning(mailbox, 0, <span class="stringliteral">"Header missing for key \"%s\"."</span>, pathNfilename);</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">goto</span> cleanup;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">/* base64 starts after first empty line, if any */</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  p2 = strstr(p1, <span class="stringliteral">"\n\n"</span>); <span class="comment">/* `\r* is already removed above */</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span>( p2 ) {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  p1 = p2;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">if</span>( !mrkey_set_from_base64(ths, p1, type) ) {</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  mrmailbox_log_warning(mailbox, 0, <span class="stringliteral">"Bad data in key \"%s\"."</span>, pathNfilename);</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">goto</span> cleanup;</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  success = 1;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> cleanup:</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  free(buf);</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> success;</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> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="keywordtype">int</span> mrkey_equals(<span class="keyword">const</span> mrkey_t* ths, <span class="keyword">const</span> mrkey_t* o)</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> {</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span>( ths==NULL || o==NULL</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  || ths->m_binary==NULL || ths->m_bytes<=0 || o->m_binary==NULL || o->m_bytes<=0 ) {</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">return</span> 0; <span class="comment">/*error*/</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span>( ths->m_bytes != o->m_bytes ) {</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">return</span> 0; <span class="comment">/*different size -> the keys cannot be equal*/</span></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> </div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span>( ths->m_type != o->m_type ) {</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">return</span> 0; <span class="comment">/* cannot compare public with private keys */</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  }</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">return</span> memcmp(ths->m_binary, o->m_binary, o->m_bytes)==0? 1 : 0;</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> }</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment">/*******************************************************************************</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment"> * Save/Load keys</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"> ******************************************************************************/</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> </div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="keywordtype">int</span> mrkey_save_self_keypair__(<span class="keyword">const</span> mrkey_t* public_key, <span class="keyword">const</span> mrkey_t* private_key, <span class="keyword">const</span> <span class="keywordtype">char</span>* addr, <span class="keywordtype">int</span> is_default, mrsqlite3_t* sql)</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> {</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  sqlite3_stmt* stmt;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">if</span>( public_key==NULL || private_key==NULL || addr==NULL || sql==NULL</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  || public_key->m_binary==NULL || private_key->m_binary==NULL ) {</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  stmt = mrsqlite3_predefine__(sql, INSERT_INTO_keypairs_aippc,</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="stringliteral">"INSERT INTO keypairs (addr, is_default, public_key, private_key, created) VALUES (?,?,?,?,?);"</span>);</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  sqlite3_bind_text (stmt, 1, addr, -1, SQLITE_STATIC);</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  sqlite3_bind_int (stmt, 2, is_default);</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  sqlite3_bind_blob (stmt, 3, public_key->m_binary, public_key->m_bytes, SQLITE_STATIC);</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  sqlite3_bind_blob (stmt, 4, private_key->m_binary, private_key->m_bytes, SQLITE_STATIC);</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  sqlite3_bind_int64(stmt, 5, time(NULL));</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">if</span>( sqlite3_step(stmt) != SQLITE_DONE ) {</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">return</span> 1;</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> </div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="keywordtype">int</span> mrkey_load_self_public__(mrkey_t* ths, <span class="keyword">const</span> <span class="keywordtype">char</span>* self_addr, mrsqlite3_t* sql)</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>  sqlite3_stmt* stmt;</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">if</span>( ths==NULL || self_addr==NULL || sql==NULL ) {</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  }</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  mrkey_empty(ths);</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  stmt = mrsqlite3_predefine__(sql, SELECT_public_key_FROM_keypairs_WHERE_default,</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="stringliteral">"SELECT public_key FROM keypairs WHERE addr=? AND is_default=1;"</span>);</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  sqlite3_bind_text (stmt, 1, self_addr, -1, SQLITE_STATIC);</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">if</span>( sqlite3_step(stmt) != SQLITE_ROW ) {</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">return</span> 0;</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>  mrkey_set_from_stmt(ths, stmt, 0, MR_PUBLIC);</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> }</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="keywordtype">int</span> mrkey_load_self_private__(mrkey_t* ths, <span class="keyword">const</span> <span class="keywordtype">char</span>* self_addr, mrsqlite3_t* sql)</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>  sqlite3_stmt* stmt;</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span>( ths==NULL || self_addr==NULL || sql==NULL ) {</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> </div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  mrkey_empty(ths);</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  stmt = mrsqlite3_predefine__(sql, SELECT_private_key_FROM_keypairs_WHERE_default,</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="stringliteral">"SELECT private_key FROM keypairs WHERE addr=? AND is_default=1;"</span>);</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  sqlite3_bind_text (stmt, 1, self_addr, -1, SQLITE_STATIC);</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">if</span>( sqlite3_step(stmt) != SQLITE_ROW ) {</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  mrkey_set_from_stmt(ths, stmt, 0, MR_PRIVATE);</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> }</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> </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> <span class="comment">/*******************************************************************************</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> * Render keys</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> ******************************************************************************/</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> </div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="keyword">static</span> <span class="keywordtype">long</span> crc_octets(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *octets, <span class="keywordtype">size_t</span> len)</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> {</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="preprocessor"> #define CRC24_INIT 0xB704CEL</span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="preprocessor"> #define CRC24_POLY 0x1864CFBL</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordtype">long</span> crc = CRC24_INIT;</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">while</span> (len--) {</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  crc ^= (*octets++) << 16;</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">for</span> (i = 0; i < 8; i++) {</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  crc <<= 1;</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">if</span> (crc & 0x1000000)</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  crc ^= CRC24_POLY;</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="keywordflow">return</span> crc & 0xFFFFFFL;</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> }</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="keywordtype">char</span>* mr_render_base64(<span class="keyword">const</span> <span class="keywordtype">void</span>* buf, <span class="keywordtype">size_t</span> buf_bytes, <span class="keywordtype">int</span> break_every, <span class="keyword">const</span> <span class="keywordtype">char</span>* break_chars,</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordtype">int</span> add_checksum <span class="comment">/*0=no checksum, 1=add without break, 2=add with break_chars*/</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>  <span class="keywordtype">char</span>* ret = NULL;</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">if</span>( buf==NULL || buf_bytes<=0 ) {</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">goto</span> cleanup;</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="keywordflow">if</span>( (ret = encode_base64((<span class="keyword">const</span> <span class="keywordtype">char</span>*)buf, buf_bytes))==NULL ) {</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">goto</span> cleanup;</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  }</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="preprocessor"> #if 0</span></div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span>( add_checksum == 1<span class="comment">/*appended checksum*/</span> ) {</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordtype">long</span> checksum = crc_octets(buf, buf_bytes);</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  uint8_t c[3];</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  c[0] = (uint8_t)((checksum >> 16)&0xFF);</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  c[1] = (uint8_t)((checksum >> 8)&0xFF);</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  c[2] = (uint8_t)((checksum)&0xFF);</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordtype">char</span>* c64 = encode_base64((<span class="keyword">const</span> <span class="keywordtype">char</span>*)c, 3);</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordtype">char</span>* temp = ret;</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  ret = mr_mprintf(<span class="stringliteral">"%s=%s"</span>, temp, c64);</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  free(temp);</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  free(c64);</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="preprocessor"> #endif</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">if</span>( break_every>0 ) {</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordtype">char</span>* temp = ret;</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  ret = mr_insert_breaks(temp, break_every, break_chars);</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  free(temp);</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  }</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">if</span>( add_checksum == 2<span class="comment">/*checksum with break character*/</span> ) {</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordtype">long</span> checksum = crc_octets(buf, buf_bytes);</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  uint8_t c[3];</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  c[0] = (uint8_t)((checksum >> 16)&0xFF);</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  c[1] = (uint8_t)((checksum >> 8)&0xFF);</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  c[2] = (uint8_t)((checksum)&0xFF);</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordtype">char</span>* c64 = encode_base64((<span class="keyword">const</span> <span class="keywordtype">char</span>*)c, 3);</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordtype">char</span>* temp = ret;</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  ret = mr_mprintf(<span class="stringliteral">"%s%s=%s"</span>, temp, break_chars, c64);</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  free(temp);</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  free(c64);</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  }</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> cleanup:</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span> }</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> </div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> </div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="keywordtype">char</span>* mrkey_render_base64(<span class="keyword">const</span> mrkey_t* ths, <span class="keywordtype">int</span> break_every, <span class="keyword">const</span> <span class="keywordtype">char</span>* break_chars, <span class="keywordtype">int</span> add_checksum)</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> {</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">if</span>( ths==NULL ) {</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  }</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">return</span> mr_render_base64(ths->m_binary, ths->m_bytes, break_every, break_chars, add_checksum);</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> }</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span> </div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="keywordtype">char</span>* mrkey_render_asc(<span class="keyword">const</span> mrkey_t* ths, <span class="keyword">const</span> <span class="keywordtype">char</span>* add_header_lines <span class="comment">/*must be terminated by \r\n*/</span>)</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span> {</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="comment">/* see RFC 4880, 6.2. Forming ASCII Armor, https://tools.ietf.org/html/rfc4880#section-6.2 */</span></div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordtype">char</span> *base64 = NULL, *ret = NULL;</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">if</span>( ths==NULL ) {</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">goto</span> cleanup;</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  }</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span> </div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">if</span>( (base64=mrkey_render_base64(ths, 76, <span class="stringliteral">"\r\n"</span>, 2<span class="comment">/*checksum in new line*/</span>))==NULL ) { <span class="comment">/* RFC: The encoded output stream must be represented in lines of no more than 76 characters each. */</span></div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">goto</span> cleanup;</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  }</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span> </div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  ret = mr_mprintf(<span class="stringliteral">"-----BEGIN PGP %s KEY BLOCK-----\r\n%s\r\n%s\r\n-----END PGP %s KEY BLOCK-----\r\n"</span>,</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  ths->m_type==MR_PUBLIC? <span class="stringliteral">"PUBLIC"</span> : <span class="stringliteral">"PRIVATE"</span>,</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  add_header_lines? add_header_lines : <span class="stringliteral">""</span>,</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  base64,</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  ths->m_type==MR_PUBLIC? <span class="stringliteral">"PUBLIC"</span> : <span class="stringliteral">"PRIVATE"</span>);</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> </div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> cleanup:</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  free(base64);</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span> }</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span> </div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="keywordtype">char</span>* mr_render_fingerprint(<span class="keyword">const</span> uint8_t* data, <span class="keywordtype">size_t</span> bytes)</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span> {</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordtype">char</span>* temp;</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> </div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span>( data ==NULL || bytes <= 0 ) {</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">return</span> safe_strdup(<span class="stringliteral">"ErrFingerprint2"</span>);</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  }</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordtype">char</span>* ret = malloc(bytes*4+1); <span class="keywordflow">if</span>( ret==NULL ) { exit(46); }</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  ret[0] = 0;</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">for</span>( i = 0; i < bytes; i++ ) {</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  temp = mr_mprintf(<span class="stringliteral">"%02X%s"</span>, (<span class="keywordtype">int</span>)data[i], (i==6||i==13)?<span class="stringliteral">"\n"</span>:<span class="stringliteral">" "</span>);</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  strcat(ret, temp);</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  free(temp);</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  }</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> </div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> }</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> </div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="keywordtype">char</span>* mrkey_render_fingerprint(<span class="keyword">const</span> mrkey_t* key, <a class="code" href="structmrmailbox__t.html">mrmailbox_t</a>* mailbox)</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> {</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  uint8_t* fingerprint_buf = NULL;</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordtype">size_t</span> fingerprint_bytes = 0;</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">if</span>( key==NULL || mailbox == NULL ) {</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">return</span> safe_strdup(<span class="stringliteral">"ErrFingerprint0"</span>);</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  }</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> </div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">if</span>( !mrpgp_calc_fingerprint(mailbox, key, &fingerprint_buf, &fingerprint_bytes) ) {</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">return</span> safe_strdup(<span class="stringliteral">"ErrFingerprint1"</span>);</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  }</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span> </div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordtype">char</span>* fingerprint_str = mr_render_fingerprint(fingerprint_buf, fingerprint_bytes);</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  free(fingerprint_buf);</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">return</span> fingerprint_str;</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> }</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div><div class="ttc" id="structmrmailbox__t_html"><div class="ttname"><a href="structmrmailbox__t.html">mrmailbox_t</a></div><div class="ttdoc">An object representing a single mailbox. </div><div class="ttdef"><b>Definition:</b> <a href="mrmailbox_8h_source.html#l00141">mrmailbox.h:141</a></div></div>
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