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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 2012 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 <errno.h> |
4 | 33 | #include <unistd.h> |
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34 | #include <libxml/xmlerror.h> |
4 | 35 | #include <sys/types.h> |
36 | #include <sys/stat.h> | |
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37 | #include <ucx/string.h> |
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38 | |
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39 | #include "webdav.h" |
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40 | #include "utils.h" |
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41 | #include "config.h" |
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42 | #include "crypto.h" |
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43 | #include "main.h" |
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44 | |
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45 | void xmlerrorfnc(void * ctx, const char * msg, ... ) { |
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46 | // nothing |
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47 | } |
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48 | |
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49 | int main(int argc, char **argv) { |
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50 | xmlGenericErrorFunc fnc = xmlerrorfnc; |
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51 | initGenericErrorDefaultFunc(&fnc); |
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52 | load_config(); |
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53 | |
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54 | if(argc < 2) { |
11 | 55 | fprintf(stderr, "Missing command\n"); |
56 | print_usage(argv[0]); | |
57 | return -1; | |
58 | } | |
59 | ||
60 | char *cmd = argv[1]; | |
61 | CmdArgs *args = cmd_parse_args(argc - 2, argv + 2); | |
62 | if(!args) { | |
63 | print_usage(argv[0]); | |
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64 | return -1; |
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65 | } |
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66 | |
11 | 67 | if(!strcmp(cmd, "list") || !strcmp(cmd, "ls")) { |
68 | return cmd_list(args); | |
69 | } else if(!strcmp(cmd, "get")) { | |
70 | return cmd_get(args); | |
71 | } else if(!strcmp(cmd, "put")) { | |
72 | return cmd_put(args); | |
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73 | } |
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74 | |
11 | 75 | print_usage(argv[0]); |
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76 | return -1; |
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77 | } |
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78 | |
11 | 79 | void print_usage(char *cmd) { |
80 | fprintf(stderr, "Usage: %s command [options] arguments...\n\n", cmd); | |
81 | fprintf(stderr, "Commands:\n"); | |
82 | fprintf(stderr, " list [-al] <url>\n"); | |
83 | fprintf(stderr, " get [-p] [-k <key>] [-o <file>] <url>\n"); | |
84 | fprintf(stderr, " put [-p] [-k <key>] <url> <file>\n"); | |
85 | fprintf(stderr, "\n"); | |
86 | fprintf(stderr, "Options:\n"); | |
87 | fprintf(stderr, | |
88 | " -k <key> Key to use for encryption or decryption\n"); | |
89 | fprintf(stderr, " -p Don't encrypt or decrypt files\n"); | |
90 | fprintf(stderr, " -o <file> Write output to file\n"); | |
91 | fprintf(stderr, "\n"); | |
92 | fprintf(stderr, | |
93 | "Instead of an url you can pass a repository name " | |
94 | "with an optional path:\n"); | |
95 | fprintf(stderr, " <repository>/path/\n"); | |
96 | fprintf(stderr, "\n"); | |
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97 | } |
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98 | |
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99 | void url_get_parts(char *url, char **root, char **path) { |
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100 | size_t ulen = strlen(url); |
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101 | *root = NULL; |
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102 | *path = NULL; |
4 | 103 | |
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104 | int s; |
11 | 105 | if(ulen > 7 && !strncasecmp(url, "http://", 7)) { |
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106 | s = 7; |
11 | 107 | } else if(ulen > 8 && !strncasecmp(url, "https://", 8)) { |
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108 | s = 8; |
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109 | } else { |
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110 | s = 1; |
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111 | } |
4 | 112 | |
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113 | for(int i=s;i<ulen;i++) { |
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114 | char c = url[i]; |
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115 | if(c == '/') { |
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116 | sstr_t r = sstrn(url, i); |
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117 | sstr_t p = sstrsubs(sstr(url), i); |
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118 | if(p.length == 0) { |
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119 | p = sstrn("/", 1); |
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120 | } |
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121 | *root = sstrdup(r).ptr; |
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122 | *path = sstrdup(p).ptr; |
4 | 123 | return; |
124 | } | |
125 | } | |
126 | ||
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127 | *root = strdup(url); |
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128 | *path = strdup("/"); |
4 | 129 | } |
130 | ||
131 | ||
11 | 132 | int cmd_list(CmdArgs *a) { |
133 | if(a->argc == 0) { | |
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134 | return -1; |
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135 | } |
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136 | |
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137 | |
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138 | DavContext *ctx = dav_context_new(); |
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139 | DavSession *sn = NULL; |
11 | 140 | char *url = a->argv[0]; |
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141 | char *root = NULL; |
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142 | char *path = NULL; |
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143 | url_get_parts(url, &root, &path); |
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144 | |
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145 | Repository *repo = get_repository(root); |
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146 | if(repo) { |
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147 | sn = dav_session_new_auth(ctx, repo->url, repo->user, repo->password); |
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148 | } else { |
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149 | sn = dav_session_new(ctx, root); |
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150 | } |
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151 | |
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152 | //printf("baseurl: %s\n", sn->base_url); |
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153 | |
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154 | DavResource *ls = dav_get(sn, path, NULL); |
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155 | if(!ls) { |
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156 | fprintf(stderr, "error\n"); |
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157 | return -1; |
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158 | } |
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159 | DavResource *child = ls->children; |
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160 | while(child) { |
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161 | printf("%s\n", child->name); |
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162 | child = child->next; |
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163 | } |
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164 | |
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165 | return 0; |
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166 | } |
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167 | |
11 | 168 | int cmd_get(CmdArgs *a) { |
169 | if(a->argc == 0) { | |
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170 | return -1; |
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171 | } |
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172 | |
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173 | DavContext *ctx = dav_context_new(); |
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174 | dav_add_namespace(ctx, "U", "http://www.uap-core.de/"); |
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175 | DavSession *sn = NULL; |
11 | 176 | char *url = a->argv[0]; |
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177 | char *root = NULL; |
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178 | char *path = NULL; |
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179 | url_get_parts(url, &root, &path); |
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180 | |
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181 | Repository *repo = get_repository(root); |
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182 | if(repo) { |
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183 | sn = dav_session_new_auth(ctx, repo->url, repo->user, repo->password); |
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184 | } else { |
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185 | sn = dav_session_new(ctx, root); |
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186 | } |
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187 | |
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188 | DavResource *res = dav_get(sn, path, "U:crypto-key"); |
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189 | if(!res) { |
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190 | fprintf(stderr, "error\n"); |
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191 | return -1; |
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192 | } |
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193 | FILE *out = fopen(res->name, "w"); |
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194 | if(!out) { |
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195 | fprintf(stderr, "cannot open output file\n"); |
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196 | return -1; |
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197 | } |
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198 | |
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199 | AESDecrypter *dec = NULL; |
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200 | char *keyprop = dav_get_property_ns(res, "http://www.uap-core.de/", "crypto-key"); |
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201 | if(repo) { |
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202 | Key *key = get_key(keyprop); |
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203 | if(repo->encrypt && key) { |
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204 | dec = aes_decrypter_new(key, out, (dav_write_func)fwrite); |
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205 | } |
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206 | } |
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207 | |
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208 | int ret; |
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209 | if(dec && keyprop) { |
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210 | ret = dav_get_content(res, dec, (dav_write_func)aes_write); |
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211 | } else { |
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212 | ret = dav_get_content(res, out, (dav_write_func)fwrite); |
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213 | } |
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214 | if(dec) { |
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215 | aes_decrypter_close(dec); |
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216 | } |
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217 | fclose(out); |
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218 | if(ret) { |
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219 | unlink(res->name); |
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220 | } |
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221 | |
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222 | return 0; |
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223 | } |
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224 | |
11 | 225 | int cmd_put(CmdArgs *a) { |
226 | if(a->argc < 2) { | |
4 | 227 | return -1; |
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228 | } |
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229 | |
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230 | DavContext *ctx = dav_context_new(); |
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231 | DavSession *sn = NULL; |
11 | 232 | char *url = a->argv[0]; |
233 | char *file = a->argv[1]; | |
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234 | char *root = NULL; |
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235 | char *path = NULL; |
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236 | url_get_parts(url, &root, &path); |
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237 | |
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238 | Repository *repo = get_repository(root); |
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239 | if(repo) { |
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240 | sn = dav_session_new_auth(ctx, repo->url, repo->user, repo->password); |
4 | 241 | } else { |
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242 | sn = dav_session_new(ctx, root); |
4 | 243 | } |
244 | ||
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245 | DavResource *res = dav_resource_new(sn, path); |
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246 | if(!res) { |
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247 | fprintf(stderr, "error\n"); |
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248 | return -1; |
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249 | } |
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250 | FILE *in = fopen(file, "r"); |
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251 | if(!in) { |
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252 | fprintf(stderr, "cannot open input file\n"); |
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253 | return -1; |
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254 | } |
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255 | AESEncrypter *enc = NULL; |
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256 | if(repo) { |
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257 | Key *key = get_key(repo->default_key); |
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258 | if(repo->encrypt && key) { |
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259 | enc = aes_encrypter_new(key, in, (dav_read_func)fread); |
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260 | } |
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261 | } |
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262 | if(enc) { |
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263 | dav_set_content(res, enc, (dav_read_func)aes_read); |
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264 | dav_set_property_ns(res, "http://www.uap-core.de/", "crypto-key", repo->default_key); |
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265 | } else { |
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266 | dav_set_content(res, in, (dav_read_func)fread); |
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267 | } |
4 | 268 | |
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269 | if(dav_store(res)) { |
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270 | fprintf(stderr, "cannot upload file\n"); |
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271 | fclose(in); |
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272 | return -1; |
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273 | } |
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274 | fclose(in); |
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275 | return 0; |
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276 | } |