libidav/session.c

Wed, 23 Mar 2016 19:03:48 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 23 Mar 2016 19:03:48 +0100
changeset 236
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parent 225
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child 238
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permissions
-rw-r--r--

copy/move with lock tokens works now

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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 2016 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
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33 #include <ucx/buffer.h>
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34 #include <ucx/utils.h>
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35
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36 #include "utils.h"
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37 #include "session.h"
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38 #include "resource.h"
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39 #include "methods.h"
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40
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41 DavSession* dav_session_new(DavContext *context, char *base_url) {
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42 if(!base_url) {
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43 return NULL;
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44 }
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45 sstr_t url = sstr(base_url);
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46 if(url.length == 0) {
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47 return NULL;
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48 }
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49 DavSession *sn = malloc(sizeof(DavSession));
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50 sn->mp = ucx_mempool_new(DAV_SESSION_MEMPOOL_SIZE);
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51 sn->pathcache = ucx_map_new_a(sn->mp->allocator, DAV_PATH_CACHE_SIZE);
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52 sn->key = NULL;
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53 sn->errorstr = NULL;
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54 sn->error = DAV_OK;
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55 sn->flags = 0;
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56 if(url.ptr[url.length - 1] == '/') {
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57 sstr_t url = sstrdup_a(sn->mp->allocator, sstr(base_url));
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58 sn->base_url = url.ptr;
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59 } else {
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60 char *url_str = ucx_mempool_malloc(sn->mp, url.length + 2);
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61 memcpy(url_str, base_url, url.length);
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62 url_str[url.length] = '/';
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63 url_str[url.length + 1] = '\0';
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64 sn->base_url = url_str;
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65 }
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66 sn->handle = curl_easy_init();
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67 curl_easy_setopt(sn->handle, CURLOPT_FOLLOWLOCATION, 1L);
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69 // create lock manager
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70 DavLockManager *locks = ucx_mempool_malloc(sn->mp, sizeof(DavLockManager));
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71 locks->resource_locks = ucx_map_new_a(sn->mp->allocator, 16);
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72 locks->collection_locks = NULL;
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73 sn->locks = locks;
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75 // set proxy
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76 DavProxy *proxy = sstrprefix(url, S("https")) ? context->https_proxy
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77 : context->http_proxy;
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78
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79 if (proxy->url) {
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80 curl_easy_setopt(sn->handle, CURLOPT_PROXY, proxy->url);
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81 if (proxy->username) {
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82 curl_easy_setopt(sn->handle, CURLOPT_PROXYUSERNAME,
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83 proxy->username);
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84 if (proxy->password) {
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85 curl_easy_setopt(sn->handle, CURLOPT_PROXYPASSWORD,
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86 proxy->password);
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87 } else {
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88 // TODO: prompt
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89 }
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90 }
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91 if(proxy->no_proxy) {
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92 curl_easy_setopt(sn->handle, CURLOPT_NOPROXY,
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93 proxy->no_proxy);
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94 }
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95 }
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96
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97 // set url
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98 curl_easy_setopt(sn->handle, CURLOPT_URL, base_url);
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99
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100 // add to context
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101 context->sessions = ucx_list_append(context->sessions, sn);
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102 sn->context = context;
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103
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104 return sn;
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105 }
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106
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107 DavSession* dav_session_new_auth(
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108 DavContext *context,
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109 char *base_url,
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110 char *user,
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111 char *password)
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112 {
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113 DavSession *sn = dav_session_new(context, base_url);
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114 if(!sn) {
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115 return NULL;
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116 }
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117 dav_session_set_auth(sn, user, password);
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118 return sn;
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119 }
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120
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121 void dav_session_set_auth(DavSession *sn, char *user, char *password) {
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122 if(user && password) {
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123 size_t ulen = strlen(user);
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124 size_t plen = strlen(password);
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125 size_t upwdlen = ulen + plen + 2;
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126 char *upwdbuf = malloc(upwdlen);
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127 snprintf(upwdbuf, upwdlen, "%s:%s", user, password);
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128 curl_easy_setopt(sn->handle, CURLOPT_USERPWD, upwdbuf);
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129 free(upwdbuf);
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130 }
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131 }
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132
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133 void dav_session_enable_encryption(DavSession *sn, DavKey *key, int flags) {
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134 sn->key = key;
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135 // TODO: review sanity
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136 if(flags != 0) {
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137 sn->flags |= flags;
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138 } else {
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139 sn->flags |= DAV_SESSION_ENCRYPT_CONTENT;
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140 }
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141 }
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142
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143 void dav_session_set_error(DavSession *sn, CURLcode c, int status) {
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144 if(status > 0) {
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145 switch(status) {
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146 default: {
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147 switch(c) {
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148 default: sn->error = DAV_ERROR;
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149 }
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150 break;
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151 }
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152 case 401: sn->error = DAV_UNAUTHORIZED; break;
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153 case 403: sn->error = DAV_FORBIDDEN; break;
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154 case 404: sn->error = DAV_NOT_FOUND; break;
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diff changeset
155 case 405: sn->error = DAV_METHOD_NOT_ALLOWED; break;
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156 case 409: sn->error = DAV_CONFLICT; break;
207
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diff changeset
157 case 423: sn->error = DAV_LOCKED; break;
43
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158 }
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diff changeset
159 } else {
100
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diff changeset
160 switch(c) {
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diff changeset
161 case CURLE_UNSUPPORTED_PROTOCOL: sn->error = DAV_UNSUPPORTED_PROTOCOL; break;
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parents: 75
diff changeset
162 case CURLE_COULDNT_RESOLVE_PROXY: sn->error = DAV_COULDNT_RESOLVE_PROXY; break;
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diff changeset
163 case CURLE_COULDNT_RESOLVE_HOST: sn->error = DAV_COULDNT_RESOLVE_HOST; break;
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diff changeset
164 case CURLE_COULDNT_CONNECT: sn->error = DAV_COULDNT_CONNECT; break;
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diff changeset
165 case CURLE_OPERATION_TIMEDOUT: sn->error = DAV_TIMEOUT; break;
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parents: 75
diff changeset
166 case CURLE_SSL_CONNECT_ERROR:
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parents: 75
diff changeset
167 case CURLE_PEER_FAILED_VERIFICATION:
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
168 case CURLE_SSL_ENGINE_NOTFOUND:
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parents: 75
diff changeset
169 case CURLE_SSL_ENGINE_SETFAILED:
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parents: 75
diff changeset
170 case CURLE_SSL_CERTPROBLEM:
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parents: 75
diff changeset
171 case CURLE_SSL_CIPHER:
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parents: 75
diff changeset
172 case CURLE_SSL_CACERT:
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parents: 75
diff changeset
173 case CURLE_SSL_CACERT_BADFILE:
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
174 case CURLE_SSL_SHUTDOWN_FAILED:
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parents: 75
diff changeset
175 case CURLE_SSL_CRL_BADFILE:
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diff changeset
176 case CURLE_SSL_ISSUER_ERROR: sn->error = DAV_SSL_ERROR; break;
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diff changeset
177 default: sn->error = DAV_ERROR; break;
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diff changeset
178 }
43
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179 }
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diff changeset
180 if(c != CURLE_OK) {
225
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diff changeset
181 dav_session_set_errstr(sn, curl_easy_strerror(c));
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182 } else {
225
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diff changeset
183 dav_session_set_errstr(sn, NULL);
43
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184 }
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185 }
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186
225
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diff changeset
187 void dav_session_set_errstr(DavSession *sn, const char *str) {
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diff changeset
188 if(sn->errorstr) {
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diff changeset
189 dav_session_free(sn, sn->errorstr);
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190 }
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diff changeset
191 char *errstr = NULL;
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diff changeset
192 if(str) {
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diff changeset
193 errstr = dav_session_strdup(sn, str);
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diff changeset
194 }
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diff changeset
195 sn->errorstr = errstr;
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196 }
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diff changeset
197
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198 void dav_session_destroy(DavSession *sn) {
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199 // remove session from context
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200 UcxList *sessions = sn->context->sessions;
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201 ssize_t i = ucx_list_find(sessions, sn, ucx_ptrcmp, NULL);
74
da079dc0724c fixed many memory leaks
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diff changeset
202 if(i >= 0) {
43
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203 UcxList *elm = ucx_list_get(sessions, i);
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diff changeset
204 if(elm) {
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diff changeset
205 sn->context->sessions = ucx_list_remove(sessions, elm);
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206 }
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207 }
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parents:
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208
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209 ucx_mempool_destroy(sn->mp);
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210 curl_easy_cleanup(sn->handle);
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211 free(sn);
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212 }
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213
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214
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parents:
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215 void* dav_session_malloc(DavSession *sn, size_t size) {
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216 return ucx_mempool_malloc(sn->mp, size);
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217 }
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218
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219 void* dav_session_calloc(DavSession *sn, size_t nelm, size_t size) {
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220 return ucx_mempool_calloc(sn->mp, nelm, size);
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221 }
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parents:
diff changeset
222
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223 void* dav_session_realloc(DavSession *sn, void *ptr, size_t size) {
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parents:
diff changeset
224 return ucx_mempool_realloc(sn->mp, ptr, size);
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parents:
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225 }
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parents:
diff changeset
226
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diff changeset
227 void dav_session_free(DavSession *sn, void *ptr) {
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228 ucx_mempool_free(sn->mp, ptr);
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229 }
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parents:
diff changeset
230
225
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diff changeset
231 char* dav_session_strdup(DavSession *sn, const char *str) {
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parents: 222
diff changeset
232 return sstrdup_a(sn->mp->allocator, sstr((char*)str)).ptr;
43
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233 }
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parents:
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234
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235
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236 char* dav_session_create_plain_href(DavSession *sn, char *path) {
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parents:
diff changeset
237 if(!DAV_ENCRYPT_NAME(sn)) {
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parents:
diff changeset
238 // non encrypted file names
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diff changeset
239 char *url = util_path_to_url(sn, path);
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parents:
diff changeset
240 char *href = dav_session_strdup(sn, util_url_path(url));
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parents:
diff changeset
241 free(url);
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parents:
diff changeset
242 return href;
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parents:
diff changeset
243 } else {
03076907b58a added file name encryption
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parents:
diff changeset
244 return NULL;
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parents:
diff changeset
245 }
03076907b58a added file name encryption
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parents:
diff changeset
246 }
03076907b58a added file name encryption
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parents:
diff changeset
247
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parents:
diff changeset
248 char* dav_session_get_href(DavSession *sn, char *path) {
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parents:
diff changeset
249 if(DAV_ENCRYPT_NAME(sn)) {
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parents:
diff changeset
250 sstr_t p = sstr(path);
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parents:
diff changeset
251 UcxBuffer *href = ucx_buffer_new(NULL, 256, UCX_BUFFER_AUTOEXTEND);
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parents:
diff changeset
252 UcxBuffer *pbuf = ucx_buffer_new(NULL, 256, UCX_BUFFER_AUTOEXTEND);
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parents:
diff changeset
253 int start = 0;
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parents:
diff changeset
254 int begin = 0;
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parents:
diff changeset
255
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parents:
diff changeset
256 // check path cache
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parents:
diff changeset
257 char *cp = strdup(path);
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parents:
diff changeset
258 //printf("cp: %s\n", cp);
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parents:
diff changeset
259 while(strlen(cp) > 1) {
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parents:
diff changeset
260 char *cached = ucx_map_cstr_get(sn->pathcache, cp);
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parents:
diff changeset
261 if(cached) {
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parents:
diff changeset
262 start = strlen(cp);
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parents:
diff changeset
263 begin = start;
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parents:
diff changeset
264 ucx_buffer_puts(href, cached);
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parents:
diff changeset
265 break;
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parents:
diff changeset
266 } else {
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parents:
diff changeset
267 // check, if the parent path is cached
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parents:
diff changeset
268 char *f = cp;
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parents:
diff changeset
269 cp = util_parent_path(cp);
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parents:
diff changeset
270 free(f);
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parents:
diff changeset
271 }
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parents:
diff changeset
272 }
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parents:
diff changeset
273 free(cp);
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parents:
diff changeset
274 if(href->pos == 0) {
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parents:
diff changeset
275 // if there are no cached elements we have to add the base url path
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parents:
diff changeset
276 // to the href buffer
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parents:
diff changeset
277 ucx_buffer_puts(href, util_url_path(sn->base_url));
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parents:
diff changeset
278 }
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parents:
diff changeset
279
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280 // create resource for name lookup
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parents:
diff changeset
281 sstr_t rp = sstrdup(sstrn(path, start));
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diff changeset
282 DavResource *root = dav_resource_new(sn, rp.ptr);
150
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parents: 135
diff changeset
283 free(rp.ptr);
43
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diff changeset
284 resource_set_href(root, sstrn(href->space, href->pos));
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parents:
diff changeset
285
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parents:
diff changeset
286 // create request buffer for propfind requests
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parents:
diff changeset
287 UcxBuffer *rqbuf = create_basic_propfind_request();
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parents:
diff changeset
288
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parents:
diff changeset
289 sstr_t remaining = sstrsubs(p, start);
74
da079dc0724c fixed many memory leaks
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parents: 68
diff changeset
290 ssize_t nelm = 0;
43
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parents:
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291 sstr_t *elms = sstrsplit(remaining, S("/"), &nelm);
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parents:
diff changeset
292 DavResource *res = root;
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parents:
diff changeset
293 ucx_buffer_puts(pbuf, res->path);
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parents:
diff changeset
294 // iterate over all remaining path elements
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parents:
diff changeset
295 for(int i=0;i<nelm;i++) {
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parents:
diff changeset
296 sstr_t elm = elms[i];
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parents:
diff changeset
297 if(elm.length > 0) {
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diff changeset
298 //printf("elm: %.*s\n", elm.length, elm.ptr);
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parents:
diff changeset
299 DavResource *child = dav_find_child(sn, res, rqbuf, elm.ptr);
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diff changeset
300
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diff changeset
301 // if necessary add a path separator
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parents:
diff changeset
302 if(pbuf->space[pbuf->pos-1] != '/') {
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parents:
diff changeset
303 if(href->space[href->pos-1] != '/') {
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parents:
diff changeset
304 ucx_buffer_putc(href, '/');
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parents:
diff changeset
305 }
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
306 ucx_buffer_putc(pbuf, '/');
03076907b58a added file name encryption
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parents:
diff changeset
307 }
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parents:
diff changeset
308 // add last path/href to the cache
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parents:
diff changeset
309 sstr_t pp = sstrn(pbuf->space, pbuf->size);
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parents:
diff changeset
310 sstr_t hh = sstrn(href->space, href->size);
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parents:
diff changeset
311 dav_session_cache_path(sn, pp, hh);
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parents:
diff changeset
312
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parents:
diff changeset
313 ucx_buffer_write(elm.ptr, 1, elm.length, pbuf);
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parents:
diff changeset
314 if(child) {
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parents:
diff changeset
315 ucx_buffer_puts(href, util_resource_name(child->href));
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diff changeset
316 res = child;
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parents:
diff changeset
317 } else {
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parents:
diff changeset
318 //printf("random\n");
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parents:
diff changeset
319 char *random_name = util_random_str();
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parents:
diff changeset
320 ucx_buffer_puts(href, random_name);
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parents:
diff changeset
321 free(random_name);
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parents:
diff changeset
322 }
03076907b58a added file name encryption
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parents:
diff changeset
323 }
151
a316613205dc fixed some memory leaks, content verification and dav info
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 150
diff changeset
324
a316613205dc fixed some memory leaks, content verification and dav info
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parents: 150
diff changeset
325 // cleanup
a316613205dc fixed some memory leaks, content verification and dav info
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parents: 150
diff changeset
326 free(elm.ptr);
43
03076907b58a added file name encryption
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parents:
diff changeset
327 }
151
a316613205dc fixed some memory leaks, content verification and dav info
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diff changeset
328 free(elms);
43
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diff changeset
329
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parents:
diff changeset
330 // if necessary add a path separator
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parents:
diff changeset
331 if(p.ptr[p.length-1] == '/') {
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parents:
diff changeset
332 if(href->space[href->pos-1] != '/') {
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parents:
diff changeset
333 ucx_buffer_putc(href, '/');
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parents:
diff changeset
334 }
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parents:
diff changeset
335 ucx_buffer_putc(pbuf, '/');
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parents:
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336 }
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337 // add the final path to the cache
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338 sstr_t pp = sstrn(pbuf->space, pbuf->size);
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diff changeset
339 sstr_t hh = sstrn(href->space, href->size);
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parents:
diff changeset
340 dav_session_cache_path(sn, pp, hh);
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diff changeset
341
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parents:
diff changeset
342 sstr_t href_str = sstrdup_a(
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diff changeset
343 sn->mp->allocator,
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diff changeset
344 sstrn(href->space,
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diff changeset
345 href->size));
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parents:
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346
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parents:
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347 // cleanup
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parents:
diff changeset
348 dav_resource_free_all(root);
150
37fb12574acd added checksums for encrypted resources
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parents: 135
diff changeset
349 ucx_buffer_free(rqbuf);
43
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parents:
diff changeset
350 ucx_buffer_free(pbuf);
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parents:
diff changeset
351 ucx_buffer_free(href);
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parents:
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352
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parents:
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353 return href_str.ptr;
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parents:
diff changeset
354 } else {
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parents:
diff changeset
355 return dav_session_create_plain_href(sn, path);
03076907b58a added file name encryption
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parents:
diff changeset
356 }
03076907b58a added file name encryption
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parents:
diff changeset
357 }
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
358
03076907b58a added file name encryption
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parents:
diff changeset
359 DavResource* dav_find_child(DavSession *sn, DavResource *res, UcxBuffer *rqbuf, char *name) {
135
664aeaec8d25 replaced old davql (still buggy)
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parents: 104
diff changeset
360 if(res && !dav_propfind(sn, res, rqbuf)) {
43
03076907b58a added file name encryption
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parents:
diff changeset
361 DavResource *child = res->children;
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parents:
diff changeset
362 while(child) {
03076907b58a added file name encryption
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parents:
diff changeset
363 if(!strcmp(child->name, name)) {
03076907b58a added file name encryption
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parents:
diff changeset
364 return child;
03076907b58a added file name encryption
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parents:
diff changeset
365 }
03076907b58a added file name encryption
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parents:
diff changeset
366 child = child->next;
03076907b58a added file name encryption
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parents:
diff changeset
367 }
03076907b58a added file name encryption
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parents:
diff changeset
368 }
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
369 return NULL;
03076907b58a added file name encryption
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parents:
diff changeset
370 }
03076907b58a added file name encryption
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parents:
diff changeset
371
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parents:
diff changeset
372 void dav_session_cache_path(DavSession *sn, sstr_t path, sstr_t href) {
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parents:
diff changeset
373 char *elm = ucx_map_sstr_get(sn->pathcache, path);
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parents:
diff changeset
374 if(!elm) {
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parents:
diff changeset
375 href = sstrdup_a(sn->mp->allocator, href);
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parents:
diff changeset
376 ucx_map_sstr_put(sn->pathcache, path, href.ptr);
03076907b58a added file name encryption
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parents:
diff changeset
377 }
03076907b58a added file name encryption
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parents:
diff changeset
378 }
208
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
379
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parents: 207
diff changeset
380
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parents: 207
diff changeset
381 DavLock* dav_create_lock(DavSession *sn, char *token, char *timeout) {
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parents: 207
diff changeset
382 DavLock *lock = dav_session_malloc(sn, sizeof(DavLock));
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parents: 207
diff changeset
383 lock->path = NULL;
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parents: 207
diff changeset
384 lock->token = dav_session_strdup(sn, token);
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parents: 207
diff changeset
385
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
386 // TODO: timeout
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parents: 207
diff changeset
387
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parents: 207
diff changeset
388 return lock;
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parents: 207
diff changeset
389 }
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
390
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
391 void dav_destroy_lock(DavSession *sn, DavLock *lock) {
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
392 dav_session_free(sn, lock->token);
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
393 if(lock->path) {
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
394 dav_session_free(sn, lock->path);
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
395 }
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
396 dav_session_free(sn, lock);
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
397 }
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
398
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
399 int dav_add_resource_lock(DavSession *sn, char *path, DavLock *lock) {
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
400 DavLockManager *locks = sn->locks;
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
401 if(ucx_map_cstr_get(locks->resource_locks, path)) {
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
402 return -1;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
403 }
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
404
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
405 ucx_map_cstr_put(locks->resource_locks, path, lock);
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
406 return 0;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
407 }
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
408
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
409 static void insert_lock(DavSession *sn, UcxList *elm, UcxList *newelm) {
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
410 UcxList *next = elm->next;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
411 if(next) {
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
412 next->prev = newelm;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
413 newelm->next = next;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
414 }
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
415 newelm->prev = elm;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
416 elm->next = newelm;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
417 }
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
418
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
419 int dav_add_collection_lock(DavSession *sn, char *path, DavLock *lock) {
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
420 DavLockManager *locks = sn->locks;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
421 if(!locks->collection_locks) {
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
422 locks->collection_locks = ucx_list_append_a(
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
423 sn->mp->allocator,
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
424 NULL,
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
425 lock);
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
426 lock->path = dav_session_strdup(sn, path);
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
427 return 0;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
428 }
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
429
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
430 UcxList *elm = locks->collection_locks;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
431 for(;;) {
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
432 DavLock *l = elm->data;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
433 int cmp = strcmp(path, l->path);
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
434 if(cmp > 0) {
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
435 UcxList *newelm = ucx_list_append_a(sn->mp->allocator, NULL, lock);
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
436 lock->path = dav_session_strdup(sn, path);
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
437 insert_lock(sn, elm, newelm);
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
438 } else if(cmp == 0) {
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
439 return -1;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
440 }
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
441
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
442 if(elm->next) {
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
443 elm = elm->next;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
444 } else {
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
445 UcxList *newelm = ucx_list_append_a(sn->mp->allocator, NULL, lock);
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
446 lock->path = dav_session_strdup(sn, path);
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
447 ucx_list_concat(elm, newelm);
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
448 break;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
449 }
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
450 }
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
451
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
452 return 0;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
453 }
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
454
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
455 DavLock* dav_get_lock(DavSession *sn, char *path) {
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
456 DavLockManager *locks = sn->locks;
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
457
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
458 DavLock *lock = ucx_map_cstr_get(locks->resource_locks, path);
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
459 if(lock) {
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
460 return lock;
1fb26aca5093 added API for webdav locking
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
461 }
1fb26aca5093 added API for webdav locking
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parents: 207
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462
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463 sstr_t p = sstr(path);
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464 UCX_FOREACH(elm, locks->collection_locks) {
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465 DavLock *cl = elm->data;
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466 int cmd = strcmp(path, cl->path);
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467 if(cmd == 0) {
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468 return cl;
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469 } else if(sstrprefix(p, sstr(cl->path))) {
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470 return cl;
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471 } else if(cmd > 0) {
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472 break;
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473 }
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474 }
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475
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476 return NULL;
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477 }
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478
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479 void dav_remove_lock(DavSession *sn, char *path, DavLock *lock) {
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480 DavLockManager *locks = sn->locks;
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481
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482 if(ucx_map_cstr_remove(locks->resource_locks, path)) {
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483 return;
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484 }
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485
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486 UcxList *rm = NULL;
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487 UCX_FOREACH(elm, locks->collection_locks) {
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488 DavLock *cl = elm->data;
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489 if(cl == lock) {
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490 rm = elm;
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491 break;
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492 }
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493 }
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parents: 207
diff changeset
494
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495 if(rm) {
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496 locks->collection_locks = ucx_list_remove_a(
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497 sn->mp->allocator,
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498 locks->collection_locks,
1fb26aca5093 added API for webdav locking
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499 rm);
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500 }
1fb26aca5093 added API for webdav locking
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parents: 207
diff changeset
501 }

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