libidav/webdav.h

Tue, 12 Dec 2017 23:58:54 +0100

author
Mike Becker <universe@uap-core.de>
date
Tue, 12 Dec 2017 23:58:54 +0100
branch
v1.1
changeset 343
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parent 317
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child 331
9ca1e4706acc
permissions
-rw-r--r--

fixes infinite loop when trying to overwrite a collection with a regular file

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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 #ifndef WEBDAV_H
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30 #define WEBDAV_H
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31
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32 #include <inttypes.h>
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33 #include <ucx/map.h>
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34 #include <ucx/mempool.h>
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35 #include <ucx/list.h>
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36 #include <ucx/buffer.h>
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37 #include <curl/curl.h>
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38 #include <libxml/tree.h>
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39
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40 #ifdef __cplusplus
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41 extern "C" {
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42 #endif
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43
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44 typedef int DavBool;
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45 #ifndef TRUE
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46 #define TRUE 1
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47 #endif
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48 #ifndef FALSE
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49 #define FALSE 0
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50 #endif
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51
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52 typedef struct DavContext DavContext;
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53 typedef struct DavProxy DavProxy;
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54 typedef struct DavSession DavSession;
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55 typedef struct DavResource DavResource;
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56 typedef struct DavResult DavResult;
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57 typedef struct DavNamespace DavNamespace;
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58 typedef struct DavProperty DavProperty;
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59 typedef struct DavPropName DavPropName;
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60 typedef struct DavKey DavKey;
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61
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62 typedef size_t(*dav_read_func)(void*, size_t, size_t, void*);
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63 typedef size_t(*dav_write_func)(const void*, size_t, size_t, void*);
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64
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65 enum DavError {
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66 DAV_OK = 0,
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67 DAV_ERROR,
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68 DAV_NOT_FOUND,
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69 DAV_UNAUTHORIZED,
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70 DAV_FORBIDDEN,
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71 DAV_METHOD_NOT_ALLOWED,
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72 DAV_CONFLICT,
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73 DAV_LOCKED,
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74 DAV_UNSUPPORTED_PROTOCOL,
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75 DAV_COULDNT_RESOLVE_PROXY,
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76 DAV_COULDNT_RESOLVE_HOST,
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77 DAV_COULDNT_CONNECT,
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78 DAV_TIMEOUT,
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79 DAV_SSL_ERROR,
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80 DAV_QL_ERROR,
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81 DAV_CONTENT_VERIFICATION_ERROR,
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82 DAV_REQUEST_ENTITY_TOO_LARGE,
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83 DAV_REQUEST_URL_TOO_LONG,
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84 DAV_PROXY_AUTH_REQUIRED,
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85 DAV_NET_AUTH_REQUIRED
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86 };
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87
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88 typedef enum DavError DavError;
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89
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90 #define DAV_SESSION_ENCRYPT_CONTENT 0x0001
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91 #define DAV_SESSION_ENCRYPT_NAME 0x0002
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92 #define DAV_SESSION_DECRYPT_CONTENT 0x0004
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93 #define DAV_SESSION_DECRYPT_NAME 0x0008
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94
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95 #define DAV_SESSION_CONTENT_ENCRYPTION 0x0005
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96 #define DAV_SESSION_FULL_ENCRYPTION 0x000f
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98
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99 #define DAV_NS "http://davutils.org/"
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100
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101 struct DavNamespace {
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102 char *prefix;
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103 char *name;
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104 };
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105
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106 struct DavResource {
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107 DavSession *session;
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108 DavResource *prev;
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109 DavResource *next;
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110 DavResource *parent;
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111 DavResource *children;
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112 char *name;
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113 char *path;
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114 char *href;
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115 uint64_t contentlength;
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116 char *contenttype;
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117 time_t creationdate;
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118 time_t lastmodified;
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119 void *data;
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120 int iscollection;
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121 };
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122
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123 struct DavSession {
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124 DavContext *context;
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125 CURL *handle;
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126 char *base_url;
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127 UcxMempool *mp;
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128 UcxMap *pathcache;
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129 DavKey *key;
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130 void *locks;
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131 uint32_t flags;
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132 DavError error;
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133 char *errorstr;
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134 };
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135
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136 struct DavContext {
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137 UcxMap *namespaces;
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138 UcxMap *keys;
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139 UcxList *sessions;
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140 DavProxy *http_proxy;
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141 DavProxy *https_proxy;
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142 };
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143
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144 struct DavProxy {
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145 char *url;
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146 char *username;
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147 char *password;
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148 char *no_proxy;
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149 };
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150
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151 struct DavProperty {
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152 DavNamespace *ns;
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153 char *name;
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154 char *value;
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155 };
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156
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157 struct DavPropName {
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158 char *ns;
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159 char *name;
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160 };
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161
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162 struct DavResult {
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163 DavResource *result;
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164 int status;
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165 };
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166
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167 #define DAV_KEY_AES128 0
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168 #define DAV_KEY_AES256 1
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169
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170 struct DavKey {
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171 char *name;
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172 int type;
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173 void *data;
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174 size_t length;
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175 };
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176
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177 DavContext* dav_context_new();
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178 void dav_context_destroy(DavContext *ctx);
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179
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180 void dav_context_add_key(DavContext *context, DavKey *key);
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181 DavKey* dav_context_get_key(DavContext *context, char *name);
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182
317
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183 int dav_add_namespace(DavContext *context, const char *prefix, const char *ns);
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184 DavNamespace* dav_get_namespace(DavContext *context, const char *prefix);
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185
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186 DavSession* dav_session_new(DavContext *context, char *base_url);
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187 DavSession* dav_session_new_auth(
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188 DavContext *context,
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189 char *base_url,
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190 char *user,
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191 char *password);
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192 void dav_session_set_auth(DavSession *sn, char *user, char *password);
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193 void dav_session_enable_encryption(DavSession *sn, DavKey *key, int flags);
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194
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195 void dav_session_destroy(DavSession *sn);
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196
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197 void* dav_session_malloc(DavSession *sn, size_t size);
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198 void* dav_session_calloc(DavSession *sn, size_t nelm, size_t size);
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199 void* dav_session_realloc(DavSession *sn, void *ptr, size_t size);
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200 void dav_session_free(DavSession *sn, void *ptr);
225
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201 char* dav_session_strdup(DavSession *sn, const char *str);
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202
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203
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204 DavResource* dav_get(DavSession *sn, char *path, char *properties);
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205
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206 UcxList* parse_properties_string(DavContext *context, sstr_t str);
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207
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208 DavResource* dav_query(DavSession *sn, char *query, ...);
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209
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210 UcxKey dav_property_key(char *ns, char *name);
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211 void dav_get_property_namespace_str(
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212 DavContext *ctx,
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213 char *prefixed_name,
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214 char **ns,
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215 char **name);
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216 DavNamespace* dav_get_property_namespace(
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217 DavContext *ctx,
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218 char *prefixed_name,
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219 char **name);
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220
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221 /* ------------------------ resource functions ------------------------ */
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222
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223 DavResource* dav_resource_new(DavSession *sn, char *path);
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224 DavResource* dav_resource_new_child(DavSession *sn, DavResource *parent, char *name);
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225 DavResource* dav_resource_new_href(DavSession *sn, char *href);
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226
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227 void dav_resource_free(DavResource *res);
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228 void dav_resource_free_all(DavResource *res);
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229
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230 char* dav_resource_get_href(DavResource *resource);
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231
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232 DavResource* dav_create_child(DavResource *parent, char *name);
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233 int dav_delete(DavResource *res);
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234 int dav_create(DavResource *res);
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235 int dav_exists(DavResource *res);
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236
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237 int dav_copy(DavResource *res, char *newpath);
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238 int dav_move(DavResource *res, char *newpath);
182
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239 int dav_copy_o(DavResource *res, char *newpath, DavBool override);
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240 int dav_move_o(DavResource *res, char *newpath, DavBool override);
186
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241 int dav_copyto(DavResource *res, char *url, DavBool override);
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242 int dav_moveto(DavResource *res, char *url, DavBool override);
181
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243
208
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244 int dav_lock(DavResource *res);
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245 int dav_lock_t(DavResource *res, time_t timeout);
208
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246 int dav_unlock(DavResource *res);
207
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247
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248 char* dav_get_property(DavResource *res, char *name);
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249 char* dav_get_property_ns(DavResource *res, char *ns, char *name);
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250 void dav_set_property(DavResource *res, char *name, char *value);
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251 void dav_set_property_ns(DavResource *res, char *ns, char *name, char *value);
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252 void dav_remove_property(DavResource *res, char *name);
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253 void dav_remove_property_ns(DavResource *res, char *ns, char *name);
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254
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255 DavPropName* dav_get_property_names(DavResource *res, size_t *count);
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256
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257 void dav_set_content(DavResource *res, void *stream, dav_read_func read_func);
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258 void dav_set_content_data(DavResource *res, char *content, size_t length);
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259 void dav_set_content_length(DavResource *res, size_t length);
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260
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261 int dav_load(DavResource *res);
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262 int dav_load_prop(DavResource *res, DavPropName *properties, size_t numprop);
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263 int dav_store(DavResource *res);
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264 int dav_get_content(DavResource *res, void *stream, dav_write_func write_func);
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265
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266 // private
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267 int dav_propfind(DavSession *sn, DavResource *root, UcxBuffer *rqbuf);
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268
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269 #ifdef __cplusplus
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270 }
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271 #endif
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272
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273 #endif /* WEBDAV_H */
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274

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