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mingw support
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2013 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #include <stdio.h> |
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30 | #include <stdlib.h> |
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31 | #include <string.h> |
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32 | #include <sys/types.h> |
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33 | #include <ucx/map.h> |
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34 | #include <errno.h> |
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35 | #include <libxml/tree.h> |
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36 | |
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37 | #include "config.h" |
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38 | #include "utils.h" |
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39 | |
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40 | #define xstreq(a,b) xmlStrEqual(BAD_CAST a, BAD_CAST b) |
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41 | |
32 | 42 | #ifdef _WIN32 |
43 | #define ENV_HOME getenv("USERPROFILE") | |
44 | #else | |
45 | #define ENV_HOME getenv("HOME") | |
46 | #endif /* _WIN32 */ | |
47 | ||
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48 | static UcxMap *repos; |
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49 | static UcxMap *keys; |
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50 | |
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51 | int check_config_dir() { |
32 | 52 | char *file = util_concat_path(ENV_HOME, ".dav"); |
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53 | int ret = 0; |
32 | 54 | if(util_mkdir(file, S_IRWXU)) { |
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55 | if(errno != EEXIST) { |
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56 | ret = 1; |
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57 | } |
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58 | } |
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59 | free(file); |
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60 | return ret; |
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61 | } |
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62 | |
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63 | void load_config() { |
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64 | repos = ucx_map_new(16); |
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65 | keys = ucx_map_new(16); |
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66 | if(check_config_dir()) { |
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67 | return; |
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68 | } |
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69 | |
32 | 70 | char *file = util_concat_path(ENV_HOME, ".dav/config.xml"); |
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71 | xmlDoc *doc = xmlReadFile(file, NULL, 0); |
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72 | if(!doc) { |
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73 | doc = xmlNewDoc(BAD_CAST "1.0"); |
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74 | xmlNode *root = xmlNewNode(NULL, BAD_CAST "configuration"); |
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75 | xmlDocSetRootElement(doc, root); |
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76 | xmlSaveFormatFileEnc(file, doc, "UTF-8", 1); |
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77 | xmlFreeDoc(doc); |
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78 | free(file); |
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79 | return; |
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80 | } |
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81 | free(file); |
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82 | |
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83 | xmlNode *xml_root = xmlDocGetRootElement(doc); |
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84 | xmlNode *node = xml_root->children; |
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85 | while(node) { |
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86 | if(node->type == XML_ELEMENT_NODE) { |
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87 | if(xstreq(node->name, "repository")) { |
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88 | load_repository(node); |
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89 | } else if(xstreq(node->name, "key")) { |
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90 | load_key(node); |
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91 | } |
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92 | } |
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93 | node = node->next; |
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94 | } |
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95 | |
9 | 96 | xmlFreeDoc(doc); |
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97 | } |
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98 | |
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99 | void load_repository(xmlNode *reponode) { |
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100 | xmlNode *node = reponode->children; |
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101 | Repository *repo = calloc(1, sizeof(Repository)); |
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102 | repo->store_key_property = true; |
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103 | repo->decrypt = false; |
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104 | while(node) { |
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105 | if(node->type == XML_ELEMENT_NODE) { |
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106 | char *value = util_xml_get_text(node); |
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107 | if(!value) { |
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108 | // next |
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109 | } else if(xstreq(node->name, "name")) { |
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110 | repo->name = strdup(value); |
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111 | } else if(xstreq(node->name, "url")) { |
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112 | repo->url = strdup(value); |
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113 | } else if(xstreq(node->name, "user")) { |
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114 | repo->user = strdup(value); |
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115 | } else if(xstreq(node->name, "password")) { |
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116 | repo->password = util_base64decode(value); |
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117 | } else if(xstreq(node->name, "default-key")) { |
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118 | repo->default_key = strdup(value); |
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119 | } else if(xstreq(node->name, "encrypt")) { |
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120 | repo->encrypt = util_getboolean(value); |
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121 | } else if(xstreq(node->name, "decrypt")) { |
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122 | repo->decrypt = util_getboolean(value); |
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123 | } else if(xstreq(node->name, "store-key-property")) { |
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124 | repo->store_key_property = util_getboolean(value); |
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125 | } |
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126 | } |
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127 | node = node->next; |
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128 | } |
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129 | |
21 | 130 | if(!repo->name) { |
131 | fprintf( | |
132 | stderr, | |
133 | "Cannot load config.xml: missing name for repository.\n"); | |
134 | fprintf(stderr, "Abort.\n"); | |
135 | exit(-1); | |
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136 | } |
21 | 137 | if(!repo->url) { |
138 | fprintf( | |
139 | stderr, | |
140 | "Cannot load config.xml: " | |
141 | "missing url for repository '%s'.\n", repo->name); | |
142 | fprintf(stderr, "Abort.\n"); | |
143 | exit(-1); | |
144 | } | |
145 | ||
146 | ucx_map_cstr_put(repos, repo->name, repo); | |
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147 | } |
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148 | |
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149 | void load_key(xmlNode *keynode) { |
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150 | xmlNode *node = keynode->children; |
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151 | Key *key = calloc(1, sizeof(Key)); |
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152 | key->type = KEY_AES256; |
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153 | |
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154 | while(node) { |
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155 | if(node->type == XML_ELEMENT_NODE) { |
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156 | char *value = util_xml_get_text(node); |
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157 | if(!value) { |
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158 | // next |
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159 | } else if(xstreq(node->name, "name")) { |
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160 | key->name = strdup(value); |
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161 | } else if(xstreq(node->name, "file")) { |
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162 | // load key file |
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163 | sstr_t key_data = load_key_file(value); |
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164 | if(key_data.length > 0) { |
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165 | key->data = key_data.ptr; |
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166 | key->length = key_data.length; |
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167 | } |
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168 | } else if(xstreq(node->name, "type")) { |
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169 | if(!strcmp(value, "aes128")) { |
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170 | key->type = KEY_AES128; |
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171 | } else if(!strcmp(value, "aes256")) { |
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172 | key->type = KEY_AES256; |
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173 | } |
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174 | } |
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175 | |
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176 | } |
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177 | node = node->next; |
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178 | } |
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179 | |
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180 | if(key->name) { |
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181 | if(key->type == KEY_AES128) { |
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182 | if(key->length < 16) { |
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183 | return; |
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184 | } |
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185 | key->length = 16; |
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186 | } |
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187 | if(key->type == KEY_AES256) { |
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188 | if(key->length < 32) { |
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189 | return; |
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190 | } |
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191 | key->length = 32; |
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192 | } |
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193 | ucx_map_cstr_put(keys, key->name, key); |
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194 | } else { |
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195 | // TODO: free |
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196 | } |
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197 | } |
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198 | |
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199 | sstr_t load_key_file(char *filename) { |
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200 | sstr_t k; |
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201 | k.ptr = NULL; |
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202 | k.length = 0; |
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203 | |
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204 | FILE *file = NULL; |
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205 | if(filename[0] == '/') { |
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206 | file = fopen(filename, "r"); |
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207 | } else { |
32 | 208 | char *path = util_concat_path(ENV_HOME, ".dav/"); |
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209 | char *p2 = util_concat_path(path, filename); |
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210 | file = fopen(p2, "r"); |
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211 | free(path); |
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212 | free(p2); |
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213 | } |
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214 | |
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215 | if(!file) { |
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216 | return k; |
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217 | } |
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218 | |
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219 | char *data = malloc(256); |
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220 | size_t r = fread(data, 1, 256, file); |
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221 | k.ptr = data; |
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222 | k.length = r; |
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223 | |
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224 | fclose(file); |
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225 | return k; |
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226 | } |
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227 | |
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228 | Repository* get_repository(char *name) { |
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229 | if(!name) { |
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230 | return NULL; |
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231 | } |
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232 | return ucx_map_cstr_get(repos, name); |
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233 | } |
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234 | |
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235 | Key* get_key(char *name) { |
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236 | if(!name) { |
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237 | return NULL; |
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238 | } |
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239 | return ucx_map_cstr_get(keys, name); |
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240 | } |