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add propfind/proppatch parser and first iteration of the new webdav api
13 | 1 | /* |
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
3 | * | |
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4 | * Copyright 2019 Olaf Wintermann. All rights reserved. |
13 | 5 | * |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
26 | * POSSIBILITY OF SUCH DAMAGE. | |
27 | */ | |
28 | ||
29 | #include <stdio.h> | |
30 | #include <stdlib.h> | |
31 | #include <string.h> | |
32 | ||
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33 | #include <ucx/buffer.h> |
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34 | #include <ucx/list.h> |
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35 | |
13 | 36 | #include "webdav.h" |
37 | ||
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38 | #include "search.h" |
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39 | #include "versioning.h" |
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40 | #include "multistatus.h" |
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41 | #include "requestparser.h" |
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42 | |
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43 | #include "../util/pblock.h" |
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44 | #include "../util/util.h" |
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45 | #include "../daemon/session.h" |
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46 | #include "../daemon/http.h" |
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47 | |
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48 | static UcxMap *method_handler_map; |
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49 | |
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50 | static WebdavBackend default_backend; |
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51 | |
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52 | static WSNamespace dav_namespace; |
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53 | |
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54 | static WebdavProperty dav_resourcetype_empty; |
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55 | static WebdavProperty dav_resourcetype_collection; |
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56 | static WSXmlNode dav_resourcetype_collection_value; |
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57 | |
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58 | static void init_default_backend(void) { |
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59 | memset(&default_backend, 0, sizeof(WebdavBackend)); |
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60 | default_backend.propfind_init = default_propfind_init; |
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61 | default_backend.propfind_do = default_propfind_do; |
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62 | default_backend.propfind_finish = default_propfind_finish; |
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63 | } |
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64 | |
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65 | int webdav_init(pblock *pb, Session *sn, Request *rq) { |
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66 | init_default_backend(); |
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67 | |
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68 | method_handler_map = ucx_map_new(64); |
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69 | |
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70 | ucx_map_cstr_put(method_handler_map, "OPTIONS", webdav_options); |
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71 | ucx_map_cstr_put(method_handler_map, "PROPFIND", webdav_propfind); |
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72 | ucx_map_cstr_put(method_handler_map, "PROPPATCH", webdav_proppatch); |
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73 | ucx_map_cstr_put(method_handler_map, "MKCOL", webdav_mkcol); |
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74 | ucx_map_cstr_put(method_handler_map, "POST", webdav_post); |
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75 | ucx_map_cstr_put(method_handler_map, "DELETE", webdav_delete); |
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76 | ucx_map_cstr_put(method_handler_map, "PUT", webdav_put); |
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77 | ucx_map_cstr_put(method_handler_map, "COPY", webdav_copy); |
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78 | ucx_map_cstr_put(method_handler_map, "MOVE", webdav_move); |
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79 | ucx_map_cstr_put(method_handler_map, "LOCK", webdav_lock); |
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80 | ucx_map_cstr_put(method_handler_map, "UNLOCK", webdav_unlock); |
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81 | ucx_map_cstr_put(method_handler_map, "REPORT", webdav_report); |
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82 | ucx_map_cstr_put(method_handler_map, "ACL", webdav_acl); |
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83 | |
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84 | ucx_map_cstr_put(method_handler_map, "SEARCH", webdav_search); |
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85 | |
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86 | ucx_map_cstr_put(method_handler_map, "VERSION-CONTROL", webdav_version_control); |
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87 | ucx_map_cstr_put(method_handler_map, "CHECKOUT", webdav_checkout); |
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88 | ucx_map_cstr_put(method_handler_map, "CHECKIN", webdav_checkin); |
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89 | ucx_map_cstr_put(method_handler_map, "UNCHECKOUT", webdav_uncheckout); |
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90 | ucx_map_cstr_put(method_handler_map, "MKWORKSPACE", webdav_mkworkspace); |
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91 | ucx_map_cstr_put(method_handler_map, "UPDATE", webdav_update); |
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92 | ucx_map_cstr_put(method_handler_map, "LABEL", webdav_label); |
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93 | ucx_map_cstr_put(method_handler_map, "MERGE", webdav_merge); |
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94 | |
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95 | dav_namespace.href = (xmlChar*)"DAV:"; |
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96 | dav_namespace.prefix = (xmlChar*)"D"; |
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97 | |
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98 | dav_resourcetype_empty.namespace = &dav_namespace; |
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99 | dav_resourcetype_empty.name = "resourcetype"; |
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100 | |
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101 | dav_resourcetype_collection.namespace = &dav_namespace; |
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102 | dav_resourcetype_collection.name = "resourcetype"; |
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103 | dav_resourcetype_collection.value = &dav_resourcetype_collection_value; |
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104 | dav_resourcetype_collection_value.content = (xmlChar*)"<D:collection/>"; |
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105 | dav_resourcetype_collection_value.type = XML_TEXT_NODE; |
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106 | |
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107 | |
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108 | return REQ_PROCEED; |
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109 | } |
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110 | |
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111 | |
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112 | int webdav_service(pblock *pb, Session *sn, Request *rq) { |
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113 | if(!method_handler_map) { |
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114 | log_ereport(LOG_FAILURE, "WebDAV module not initialized"); |
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115 | protocol_status(sn, rq, 500, NULL); |
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116 | return REQ_ABORTED; |
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117 | } |
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118 | char *method = pblock_findkeyval(pb_key_method, rq->reqpb); |
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119 | |
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120 | FuncPtr saf = (FuncPtr)ucx_map_cstr_get(method_handler_map, method); |
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121 | if(!saf) { |
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122 | return REQ_NOACTION; |
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123 | } |
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124 | |
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125 | return saf(pb, sn, rq); |
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126 | } |
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127 | |
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128 | UcxBuffer* rqbody2buffer(Session *sn, Request *rq) { |
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129 | if(!sn->inbuf) { |
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130 | protocol_status(sn, rq, 400, NULL); |
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131 | return NULL; |
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132 | } |
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133 | |
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134 | UcxBuffer *buf = ucx_buffer_new( |
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135 | NULL, |
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136 | sn->inbuf->maxsize, |
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137 | UCX_BUFFER_AUTOEXTEND); |
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138 | if(!buf) { |
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139 | protocol_status(sn, rq, 500, NULL); |
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140 | return NULL; |
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141 | } |
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142 | |
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143 | char in[2048]; |
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144 | int r; |
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145 | while((r = netbuf_getbytes(sn->inbuf, in, 2048)) > 0) { |
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146 | if(ucx_buffer_write(in, 1, r, buf) != r) { |
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147 | protocol_status(sn, rq, 500, NULL); |
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148 | ucx_buffer_free(buf); |
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149 | return NULL; |
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150 | } |
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151 | } |
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152 | |
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153 | return buf; |
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154 | } |
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155 | |
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156 | int webdav_options(pblock *pb, Session *sn, Request *rq) { |
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157 | return REQ_ABORTED; |
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158 | } |
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159 | |
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160 | int webdav_propfind(pblock *pb, Session *sn, Request *rq) { |
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161 | UcxBuffer *reqbody = rqbody2buffer(sn, rq); |
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162 | if(!reqbody) { |
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163 | return REQ_ABORTED; |
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164 | } |
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165 | |
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166 | int error = 0; |
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167 | WebdavPropfindRequest *propfind = propfind_parse( |
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168 | sn, |
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169 | rq, |
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170 | reqbody->space, |
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171 | reqbody->size, |
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172 | &error); |
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173 | ucx_buffer_free(reqbody); |
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174 | if(!propfind) { |
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175 | switch(error) { |
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176 | // TODO: handle all errors |
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177 | default: return REQ_ABORTED; |
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178 | } |
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179 | } |
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180 | |
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181 | |
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182 | Multistatus *ms = multistatus_response(sn, rq); |
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183 | if(!ms) { |
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184 | return REQ_ABORTED; |
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185 | } |
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186 | WebdavResponse *response = (WebdavResponse*)ms; |
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187 | |
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188 | WebdavBackend *dav = |
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189 | rq->davCollection ? rq->davCollection : &default_backend; |
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190 | |
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191 | char *path = pblock_findkeyval(pb_key_path, rq->vars); |
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192 | |
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193 | uint32_t settings = dav->settings; |
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194 | if(dav->propfind_init(propfind, path)) { |
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195 | return REQ_ABORTED; |
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196 | } |
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197 | |
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198 | WSBool usevfs = (settings & WS_PROPFIND_NO_VFS) != WS_PROPFIND_NO_VFS; |
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199 | struct stat s; |
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200 | struct stat *statptr = NULL; |
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201 | |
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202 | VFSContext *vfs = NULL; |
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203 | if(usevfs) { |
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204 | vfs = vfs_request_context(sn, rq); |
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205 | |
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206 | if(vfs_stat(vfs, path, &s)) { |
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207 | return REQ_ABORTED; |
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208 | } |
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209 | statptr = &s; |
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210 | if(!S_ISDIR(s.st_mode)) { |
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211 | usevfs = FALSE; |
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212 | } |
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213 | } |
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214 | if(propfind->depth == 0) { |
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215 | usevfs = FALSE; |
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216 | } |
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217 | |
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218 | int ret = REQ_ABORTED; |
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219 | if(!dav->propfind_do(propfind, response, NULL, path, statptr)) { |
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220 | // propfind for the requested resource was successful |
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221 | |
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222 | // usevfsdir is TRUE if |
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223 | // the webdav backend has not disabled vfs usage |
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224 | // the file is a directory |
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225 | // depth is not 0 |
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226 | // in this case we need to execute propfind_do for all children |
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227 | if(usevfs && !propfind_children(dav, propfind, response, vfs, path)) { |
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228 | ret = REQ_PROCEED; |
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229 | } |
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230 | } |
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231 | |
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232 | // finish the propfind request |
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233 | // this function should cleanup all resources, therefore we execute it |
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234 | // even if a previous function failed |
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235 | if(dav->propfind_finish(propfind)) { |
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236 | ret = REQ_ABORTED; |
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237 | } |
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238 | |
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239 | return ret; |
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240 | } |
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241 | |
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242 | int propfind_children( |
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243 | WebdavBackend *dav, |
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244 | WebdavPropfindRequest *request, |
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245 | WebdavResponse *response, |
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246 | VFSContext *vfs, |
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247 | char *path) |
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248 | { |
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249 | UcxAllocator *a = session_get_allocator(request->sn); |
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250 | pool_handle_t *pool = request->sn->pool; |
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251 | UcxList *stack = ucx_list_prepend_a(a, NULL, path); |
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252 | UcxList *stack_end = stack; |
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253 | if(!stack) { |
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254 | return 1; |
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255 | } |
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256 | |
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257 | // reusable buffer for full child path |
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258 | char *newpath = NULL; |
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259 | size_t newpathlen = 0; |
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260 | |
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261 | int err = 0; |
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262 | while(stack && !err) { |
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263 | char *cur_path = stack->data; |
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264 | size_t parent_len = strlen(cur_path); |
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265 | if(parent_len > WEBDAV_PATH_MAX) { |
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266 | log_ereport(LOG_FAILURE, "webdav: maximal path length exceeded"); |
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267 | err = 1; |
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268 | break; |
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269 | } |
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270 | if(cur_path[parent_len-1] == '/') { |
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271 | parent_len--; |
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272 | } |
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273 | size_t max_child_len = WEBDAV_PATH_MAX - parent_len; |
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274 | |
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275 | // when newpath is initialized with the parent path |
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276 | // set path_buf_init to TRUE |
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277 | WSBool path_buf_init = FALSE; |
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278 | |
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279 | VFS_DIR dir = vfs_opendir(vfs, path); |
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280 | if(!dir) { |
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281 | log_ereport( |
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282 | LOG_FAILURE, |
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283 | "webdav: propfind: cannot open directory %d", |
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284 | vfs->vfs_errno); |
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285 | err = 1; |
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286 | break; |
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287 | } |
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288 | |
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289 | VFS_ENTRY f; |
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290 | while(vfs_readdir_stat(dir, &f)) { |
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291 | if(f.stat_errno != 0) { |
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292 | continue; |
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293 | } |
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294 | |
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295 | size_t child_len = strlen(f.name); |
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296 | if(child_len > max_child_len) { |
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297 | log_ereport(LOG_FAILURE, "webdav: maximal path length exceeded"); |
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298 | err = 1; |
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299 | break; |
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300 | } |
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301 | size_t childpathlen = parent_len + child_len + 1; // +1 '/' |
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302 | if(childpathlen > newpathlen) { |
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303 | // we're gonna need a bigger boa^H^H^Hbuffer |
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304 | if(newpath) { |
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305 | pool_free(pool, newpath); |
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306 | } |
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307 | newpath = pool_malloc(pool, childpathlen + 1); |
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308 | if(!newpath) { |
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309 | err = 1; |
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310 | break; |
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311 | } |
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312 | newpathlen = childpathlen; |
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313 | path_buf_init = FALSE; |
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314 | } |
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315 | // create full path string for this child |
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316 | if(!path_buf_init) { |
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317 | memcpy(newpath, cur_path, parent_len); |
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318 | newpath[parent_len] = '/'; |
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319 | } |
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320 | memcpy(newpath+parent_len+1, f.name, child_len); |
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321 | newpath[childpathlen] = 0; |
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322 | |
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323 | // propfind for this child |
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324 | if(dav->propfind_do(request, response, dir, newpath, &f.stat)) { |
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325 | err = 1; |
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326 | break; |
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327 | } |
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328 | |
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329 | // depth of -1 means infinity |
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330 | if(request->depth == -1 && S_ISDIR(f.stat.st_mode)) { |
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331 | char *pathcp = pool_malloc(pool, childpathlen + 1); |
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332 | memcpy(pathcp, newpath, childpathlen + 1); |
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333 | |
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334 | // add the newpath copy to the stack |
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335 | // stack_end is always not NULL here, because we remove |
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336 | // the first stack element at the end of the loop |
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337 | UcxList *newlistelm = ucx_list_append_a(a, stack_end, pathcp); |
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338 | if(!newlistelm) { |
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339 | err = 1; |
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340 | break; |
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341 | } |
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342 | stack_end = newlistelm; |
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343 | } |
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344 | } |
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345 | |
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346 | vfs_closedir(dir); |
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347 | |
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348 | if(cur_path != path) { |
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349 | pool_free(pool, cur_path); |
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350 | } |
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351 | stack = ucx_list_remove_a(a, stack, stack); |
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352 | } |
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353 | |
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354 | // in case of an error, we have to free all remaining stack elements |
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355 | UCX_FOREACH(elm, stack) { |
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356 | char *data = elm->data; |
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357 | if(data != path) { |
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358 | pool_free(pool, data); |
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359 | } |
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360 | } |
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361 | |
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362 | return err; |
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363 | } |
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364 | |
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365 | int webdav_proppatch(pblock *pb, Session *sn, Request *rq) { |
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366 | return REQ_ABORTED; |
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367 | } |
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368 | |
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369 | int webdav_mkcol(pblock *pb, Session *sn, Request *rq) { |
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370 | return REQ_ABORTED; |
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371 | } |
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372 | |
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373 | int webdav_post(pblock *pb, Session *sn, Request *rq) { |
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374 | return REQ_ABORTED; |
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375 | } |
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376 | |
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377 | int webdav_delete(pblock *pb, Session *sn, Request *rq) { |
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378 | return REQ_ABORTED; |
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379 | } |
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380 | |
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381 | int webdav_put(pblock *pb, Session *sn, Request *rq) { |
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382 | return REQ_ABORTED; |
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383 | } |
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384 | |
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385 | int webdav_copy(pblock *pb, Session *sn, Request *rq) { |
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386 | return REQ_ABORTED; |
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387 | } |
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388 | |
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389 | int webdav_move(pblock *pb, Session *sn, Request *rq) { |
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390 | return REQ_ABORTED; |
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391 | } |
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392 | |
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393 | int webdav_lock(pblock *pb, Session *sn, Request *rq) { |
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394 | return REQ_ABORTED; |
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395 | } |
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396 | |
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397 | int webdav_unlock(pblock *pb, Session *sn, Request *rq) { |
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398 | return REQ_ABORTED; |
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399 | } |
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400 | |
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401 | int webdav_report(pblock *pb, Session *sn, Request *rq) { |
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402 | return REQ_ABORTED; |
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403 | } |
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404 | |
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405 | int webdav_acl(pblock *pb, Session *sn, Request *rq) { |
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406 | return REQ_ABORTED; |
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407 | } |
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408 | |
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409 | |
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410 | /* ------------------------ default webdav backend ------------------------ */ |
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411 | |
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412 | int default_propfind_init( |
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413 | WebdavPropfindRequest *rq, |
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414 | const char* path) |
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415 | { |
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416 | DefaultWebdavData *data = pool_malloc( |
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417 | rq->sn->pool, |
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418 | sizeof(DefaultWebdavData)); |
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419 | if(!data) { |
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420 | return 1; |
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421 | } |
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422 | rq->userdata = data; |
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423 | |
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424 | data->vfsproperties = webdav_vfs_properties(rq, TRUE, 0); |
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425 | |
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426 | return 0; |
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427 | } |
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428 | |
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429 | int default_propfind_do( |
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430 | WebdavPropfindRequest *request, |
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431 | WebdavResponse *response, |
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432 | VFS_DIR parent, |
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433 | const char *path, |
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434 | struct stat *s) |
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435 | { |
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436 | DefaultWebdavData *data = request->userdata; |
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437 | |
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438 | // add a resource to the response |
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439 | // usually this will lead to a <response> ... </response> tag in the |
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440 | // multistatus response |
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441 | WebdavResource *resource = response->addresource(response, path); |
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442 | if(!resource) { |
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443 | return 1; |
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444 | } |
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445 | |
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446 | // add all requested vfs properties like getcontentlength ... |
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447 | if(webdav_add_vfs_properties( |
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448 | resource, |
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449 | request->sn->pool, |
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450 | data->vfsproperties, |
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451 | s)) |
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452 | { |
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453 | return 1; |
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454 | } |
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455 | |
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456 | // all remaining properties are not available |
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457 | WebdavPList *p = request->properties; |
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458 | while(p) { |
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459 | resource->addproperty(resource, p->property, 404); |
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460 | p = p->next; |
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461 | } |
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462 | |
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463 | return 0; |
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464 | } |
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465 | |
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466 | int default_propfind_finish(WebdavPropfindRequest *rq) { |
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467 | return 0; |
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468 | } |
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469 | |
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470 | |
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471 | /* ------------------------------ public API ------------------------------ */ |
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472 | |
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473 | int webdav_getdepth(Request *rq) { |
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474 | char *depth_str = pblock_findkeyval(pb_key_depth, rq->headers); |
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475 | int depth = 0; |
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476 | if(depth_str) { |
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477 | size_t dlen = strlen(depth_str); |
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478 | if(!memcmp(depth_str, "infinity", dlen)) { |
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479 | depth = -1; |
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480 | } else if(dlen == 1 && depth_str[0] == '1') { |
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481 | depth = 1; |
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482 | } |
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483 | } |
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484 | return depth; |
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485 | } |
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486 | |
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487 | WSNamespace* webdav_dav_namespace(void) { |
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488 | return &dav_namespace; |
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489 | } |
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490 | |
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491 | WebdavProperty* webdav_dav_property( |
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492 | pool_handle_t *pool, |
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493 | const char *name) |
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494 | { |
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495 | WebdavProperty *property = pool_malloc(pool, sizeof(WebdavProperty)); |
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496 | if(!property) { |
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497 | return NULL; |
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498 | } |
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499 | |
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500 | property->namespace = &dav_namespace; |
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501 | property->lang = NULL; |
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502 | property->name = name; |
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503 | property->value = NULL; |
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504 | return property; |
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505 | } |
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506 | |
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507 | int webdav_property_set_value( |
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508 | WebdavProperty *p, |
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509 | pool_handle_t *pool, |
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510 | char *value) |
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511 | { |
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512 | WSXmlNode *node = pool_malloc(pool, sizeof(WSXmlNode)); |
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513 | if(!node) { |
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514 | return 1; |
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515 | } |
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516 | ZERO(node, sizeof(WSXmlNode)); |
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517 | |
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518 | node->content = (xmlChar*)value; |
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519 | node->type = XML_TEXT_NODE; |
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520 | |
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521 | p->value = node; |
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522 | return 0; |
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523 | } |
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524 | |
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525 | WebdavVFSProperties webdav_vfs_properties( |
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526 | WebdavPropfindRequest *rq, |
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527 | WSBool removefromlist, |
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528 | uint32_t flags) |
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529 | { |
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530 | WebdavVFSProperties ret; |
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531 | ZERO(&ret, sizeof(WebdavVFSProperties)); |
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532 | |
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533 | WSBool etag = 1; |
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534 | WSBool creationdate = 1; |
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535 | |
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536 | WebdavPList *property = rq->properties; |
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537 | WebdavPList *prev = NULL; |
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538 | while(property) { |
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539 | WebdavPList *next = property->next; |
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540 | WSNamespace *ns = property->property->namespace; |
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541 | if(ns && !strcmp((char*)ns->href, "DAV:")) { |
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542 | const char *name = property->property->name; |
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543 | WebdavPList *removethis = property; |
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544 | if(!strcmp(name, "getlastmodified")) { |
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545 | ret.getlastmodified = 1; |
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546 | } else if(!strcmp(name, "getcontentlength")) { |
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547 | ret.getcontentlength = 1; |
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548 | } else if(!strcmp(name, "resourcetype")) { |
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549 | ret.getresourcetype = 1; |
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550 | } else if(etag && !strcmp(name, "getetag")) { |
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551 | ret.getetag = 1; |
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552 | } else if(creationdate && !strcmp(name, "creationdate")) { |
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553 | ret.creationdate = 1; |
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554 | } else { |
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555 | removethis = NULL; |
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556 | } |
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557 | |
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558 | if(removefromlist && removethis) { |
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559 | if(prev) { |
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560 | prev->next = next; |
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561 | } else { |
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562 | rq->properties = next; |
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563 | } |
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564 | } |
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565 | } |
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566 | prev = property; |
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567 | property = next; |
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568 | } |
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569 | |
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570 | return ret; |
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571 | } |
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572 | |
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573 | static inline int w_addprop( |
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574 | WebdavResource *res, |
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575 | pool_handle_t *pool, |
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576 | const char *name, |
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577 | char *value) |
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578 | { |
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579 | WebdavProperty *p = webdav_dav_property(pool, name); |
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580 | if(!p) { |
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581 | return 1; |
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582 | } |
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583 | if(webdav_property_set_value(p, pool, value)) { |
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584 | return 1; |
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585 | } |
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586 | return res->addproperty(res, p, 200); |
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587 | } |
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588 | |
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589 | int webdav_add_vfs_properties( |
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590 | WebdavResource *res, |
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591 | pool_handle_t *pool, |
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592 | WebdavVFSProperties properties, |
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593 | struct stat *s) |
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594 | { |
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595 | if(properties.getresourcetype) { |
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596 | if(S_ISDIR(s->st_mode)) { |
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597 | res->addproperty(res, &dav_resourcetype_collection, 200); |
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598 | } else { |
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599 | res->addproperty(res, &dav_resourcetype_empty, 200); |
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600 | } |
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601 | } |
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602 | if(properties.getcontentlength) { |
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603 | char *buf = pool_malloc(pool, 64); |
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604 | if(!buf) { |
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605 | return 1; |
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606 | } |
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607 | uint64_t contentlength = s->st_size; |
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608 | snprintf(buf, 64, "%" PRIu64 "\0", contentlength); |
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609 | if(w_addprop(res, pool, "getcontentlength", buf)) { |
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610 | return 1; |
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611 | } |
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612 | } |
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613 | if(properties.getlastmodified) { |
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614 | char *buf = pool_malloc(pool, HTTP_DATE_LEN+1); |
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615 | if(!buf) { |
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616 | return 1; |
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617 | } |
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618 | buf[HTTP_DATE_LEN] = 0; |
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619 | |
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620 | struct tm mtms; |
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621 | struct tm *mtm = system_gmtime(&s->st_mtim.tv_sec, &mtms); |
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622 | |
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623 | if(mtm) { |
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624 | strftime(buf, HTTP_DATE_LEN, HTTP_DATE_FMT, mtm); |
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625 | if(w_addprop(res, pool, "getlastmodified", buf)) { |
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626 | return 1; |
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627 | } |
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628 | } else { |
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629 | return 1; |
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630 | } |
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631 | } |
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632 | if(properties.creationdate) { |
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633 | // TODO |
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634 | } |
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635 | if(properties.getetag) { |
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636 | char *buf = pool_malloc(pool, 96); |
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637 | if(!buf) { |
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638 | return 1; |
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639 | } |
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640 | snprintf(buf, |
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641 | 96, |
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642 | "\"%x-%x\"\0", |
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643 | (int)s->st_size, |
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644 | (int)s->st_mtim.tv_sec); |
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645 | if(w_addprop(res, pool, "getetag", buf)) { |
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646 | return 1; |
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647 | } |
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648 | } |
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649 | |
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650 | return 0; |
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651 | } |