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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 "mrkeyring.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> mrkeyring_t* mrkeyring_new()</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>  mrkeyring_t* ths;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span>( (ths=calloc(1, <span class="keyword">sizeof</span>(mrkeyring_t)))==NULL ) {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  exit(42); <span class="comment">/* cannot allocate little memory, unrecoverable error */</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>  <span class="keywordflow">return</span> ths;</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="keywordtype">void</span> mrkeyring_unref(mrkeyring_t* ths)</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="keywordtype">int</span> i;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">if</span>( ths == NULL ) {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</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> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">for</span>( i = 0; i < ths->m_count; i++ ) {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  mrkey_unref(ths->m_keys[i]);</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_keys);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  free(ths);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> }</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </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> <span class="keywordtype">void</span> mrkeyring_add(mrkeyring_t* ths, mrkey_t* to_add)</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="keywordflow">if</span>( ths==NULL || to_add==NULL ) {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">/* expand array, if needed */</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span>( ths->m_count == ths->m_allocated ) {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">int</span> newsize = (ths->m_allocated * 2) + 10;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span>( (ths->m_keys=realloc(ths->m_keys, newsize*<span class="keyword">sizeof</span>(mrkey_t*)))==NULL ) {</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  exit(41);</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>  ths->m_allocated = newsize;</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> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  ths->m_keys[ths->m_count] = mrkey_ref(to_add);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  ths->m_count++;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> }</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> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keywordtype">int</span> mrkeyring_load_self_private_for_decrypting__(mrkeyring_t* ths, <span class="keyword">const</span> <span class="keywordtype">char</span>* self_addr, mrsqlite3_t* sql)</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>  sqlite3_stmt* stmt;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  mrkey_t* key;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span>( ths==NULL || self_addr==NULL || sql==NULL ) {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</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>  stmt = mrsqlite3_predefine__(sql, SELECT_private_key_FROM_keypairs_ORDER_BY_default,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="stringliteral">"SELECT private_key FROM keypairs ORDER BY addr=? DESC, is_default DESC;"</span>);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  sqlite3_bind_text (stmt, 1, self_addr, -1, SQLITE_STATIC);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">while</span>( sqlite3_step(stmt) == SQLITE_ROW ) {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  key = mrkey_new();</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span>( mrkey_set_from_stmt(key, stmt, 0, MR_PRIVATE) ) {</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  mrkeyring_add(ths, key);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  mrkey_unref(key); <span class="comment">/* unref in any case, mrkeyring_add() adds its own reference */</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="keywordflow">return</span> 1;</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> </div></div><!-- fragment --></div><!-- contents -->
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