182
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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11
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286
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12 #define NGX_HTTP_DAV_COPY_BLOCK 65536
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13
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14 #define NGX_HTTP_DAV_OFF 2
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15
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16
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17 #define NGX_HTTP_DAV_NO_DEPTH -3
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18 #define NGX_HTTP_DAV_INVALID_DEPTH -2
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19 #define NGX_HTTP_DAV_INFINITY_DEPTH -1
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20
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182
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21
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22 typedef struct {
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23 ngx_uint_t methods;
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186
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24 ngx_flag_t create_full_put_path;
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218
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25 ngx_uint_t access;
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182
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26 } ngx_http_dav_loc_conf_t;
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27
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28
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286
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29 typedef struct {
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30 ngx_str_t path;
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31 size_t len;
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32 } ngx_http_dav_copy_ctx_t;
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33
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34
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182
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35 static ngx_int_t ngx_http_dav_handler(ngx_http_request_t *r);
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286
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36
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37 static void ngx_http_dav_put_handler(ngx_http_request_t *r);
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38
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39 static ngx_int_t ngx_http_dav_delete_handler(ngx_http_request_t *r);
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276
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40 static ngx_int_t ngx_http_dav_no_init(void *ctx, void *prev);
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272
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41 static ngx_int_t ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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42 static ngx_int_t ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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43 static ngx_int_t ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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286
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44
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45 static ngx_int_t ngx_http_dav_mkcol_handler(ngx_http_request_t *r,
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46 ngx_http_dav_loc_conf_t *dlcf);
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47
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48 static ngx_int_t ngx_http_dav_copy_move_handler(ngx_http_request_t *r);
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49 static ngx_int_t ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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50 static ngx_int_t ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx,
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51 ngx_str_t *path);
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52 static ngx_int_t ngx_http_dav_copy_file(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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53
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54 static ngx_int_t ngx_http_dav_delete_path(ngx_http_request_t *r,
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55 ngx_str_t *path, ngx_uint_t dir);
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56 static ngx_int_t ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt);
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57 static ngx_int_t ngx_http_dav_error(ngx_log_t *log, ngx_err_t err,
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186
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58 ngx_int_t not_found, char *failed, u_char *path);
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59 static ngx_int_t ngx_http_dav_location(ngx_http_request_t *r, u_char *path);
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218
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60 static char *ngx_http_dav_access(ngx_conf_t *cf, ngx_command_t *cmd,
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61 void *conf);
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182
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62 static void *ngx_http_dav_create_loc_conf(ngx_conf_t *cf);
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63 static char *ngx_http_dav_merge_loc_conf(ngx_conf_t *cf,
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64 void *parent, void *child);
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230
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65 static ngx_int_t ngx_http_dav_init(ngx_conf_t *cf);
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182
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66
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67
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68 static ngx_conf_bitmask_t ngx_http_dav_methods_mask[] = {
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69 { ngx_string("off"), NGX_HTTP_DAV_OFF },
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70 { ngx_string("put"), NGX_HTTP_PUT },
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71 { ngx_string("delete"), NGX_HTTP_DELETE },
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186
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72 { ngx_string("mkcol"), NGX_HTTP_MKCOL },
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286
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73 { ngx_string("copy"), NGX_HTTP_COPY },
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74 { ngx_string("move"), NGX_HTTP_MOVE },
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182
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75 { ngx_null_string, 0 }
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76 };
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77
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78
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79 static ngx_command_t ngx_http_dav_commands[] = {
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80
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81 { ngx_string("dav_methods"),
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82 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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83 ngx_conf_set_bitmask_slot,
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84 NGX_HTTP_LOC_CONF_OFFSET,
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85 offsetof(ngx_http_dav_loc_conf_t, methods),
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86 &ngx_http_dav_methods_mask },
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87
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186
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88 { ngx_string("create_full_put_path"),
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89 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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90 ngx_conf_set_flag_slot,
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91 NGX_HTTP_LOC_CONF_OFFSET,
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92 offsetof(ngx_http_dav_loc_conf_t, create_full_put_path),
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93 NULL },
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94
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218
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95 { ngx_string("dav_access"),
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224
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96 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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218
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97 ngx_http_dav_access,
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98 NGX_HTTP_LOC_CONF_OFFSET,
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99 0,
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100 NULL },
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101
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182
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102 ngx_null_command
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103 };
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104
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105
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216
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106 static ngx_http_module_t ngx_http_dav_module_ctx = {
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182
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107 NULL, /* preconfiguration */
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230
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108 ngx_http_dav_init, /* postconfiguration */
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182
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109
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110 NULL, /* create main configuration */
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111 NULL, /* init main configuration */
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112
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113 NULL, /* create server configuration */
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114 NULL, /* merge server configuration */
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115
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116 ngx_http_dav_create_loc_conf, /* create location configuration */
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117 ngx_http_dav_merge_loc_conf /* merge location configuration */
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118 };
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119
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120
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121 ngx_module_t ngx_http_dav_module = {
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122 NGX_MODULE_V1,
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123 &ngx_http_dav_module_ctx, /* module context */
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124 ngx_http_dav_commands, /* module directives */
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125 NGX_HTTP_MODULE, /* module type */
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126 NULL, /* init master */
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230
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127 NULL, /* init module */
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182
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128 NULL, /* init process */
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129 NULL, /* init thread */
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130 NULL, /* exit thread */
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131 NULL, /* exit process */
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132 NULL, /* exit master */
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133 NGX_MODULE_V1_PADDING
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134 };
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135
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136
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137 static ngx_int_t
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138 ngx_http_dav_handler(ngx_http_request_t *r)
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139 {
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140 ngx_int_t rc;
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141 ngx_http_dav_loc_conf_t *dlcf;
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142
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143 /* TODO: Win32 */
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144 if (r->zero_in_uri) {
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145 return NGX_DECLINED;
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146 }
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147
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148 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
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149
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150 if (!(r->method & dlcf->methods)) {
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151 return NGX_DECLINED;
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152 }
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153
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154 switch (r->method) {
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155
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156 case NGX_HTTP_PUT:
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157
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158 if (r->uri.data[r->uri.len - 1] == '/') {
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276
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159 return NGX_HTTP_BAD_REQUEST;
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182
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160 }
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161
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162 r->request_body_in_file_only = 1;
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163 r->request_body_in_persistent_file = 1;
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278
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164 r->request_body_in_clean_file = 1;
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182
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165 r->request_body_file_group_access = 1;
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186
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166 r->request_body_file_log_level = 0;
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182
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167
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168 rc = ngx_http_read_client_request_body(r, ngx_http_dav_put_handler);
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169
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170 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
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171 return rc;
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172 }
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173
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174 return NGX_DONE;
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175
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176 case NGX_HTTP_DELETE:
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177
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286
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178 return ngx_http_dav_delete_handler(r);
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186
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179
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180 case NGX_HTTP_MKCOL:
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181
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286
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182 return ngx_http_dav_mkcol_handler(r, dlcf);
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186
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183
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286
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184 case NGX_HTTP_COPY:
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186
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185
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286
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186 return ngx_http_dav_copy_move_handler(r);
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186
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187
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286
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188 case NGX_HTTP_MOVE:
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186
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189
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286
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190 return ngx_http_dav_copy_move_handler(r);
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182
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191 }
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192
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193 return NGX_DECLINED;
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194 }
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195
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196
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197 static void
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198 ngx_http_dav_put_handler(ngx_http_request_t *r)
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199 {
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218
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200 char *failed;
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201 u_char *name;
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248
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202 size_t root;
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230
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203 time_t date;
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186
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204 ngx_err_t err;
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205 ngx_str_t *temp, path;
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286
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206 ngx_uint_t status, not_found;
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186
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207 ngx_file_info_t fi;
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208 ngx_http_dav_loc_conf_t *dlcf;
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182
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209
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248
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210 ngx_http_map_uri_to_path(r, &path, &root, 0);
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182
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211
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212 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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213 "http put filename: \"%s\"", path.data);
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214
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215 temp = &r->request_body->temp_file->file.name;
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216
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217 if (ngx_file_info(path.data, &fi) == -1) {
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218 status = NGX_HTTP_CREATED;
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219
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220 } else {
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221 status = NGX_HTTP_NO_CONTENT;
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212
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222
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223 if (ngx_is_dir(&fi)) {
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224 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EISDIR,
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225 "\"%s\" could not be created", path.data);
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182
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226
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212
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227 if (ngx_delete_file(temp->data) == NGX_FILE_ERROR) {
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228 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
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229 ngx_delete_file_n " \"%s\" failed",
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230 temp->data);
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231 }
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232
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233 ngx_http_finalize_request(r, NGX_HTTP_CONFLICT);
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234 return;
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210
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235 }
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186
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236 }
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237
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218
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238 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
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239
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240 #if !(NGX_WIN32)
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241
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282
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242 if (ngx_change_file_access(temp->data, dlcf->access)
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218
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243 == NGX_FILE_ERROR)
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244 {
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245 err = ngx_errno;
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286
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246 not_found = NGX_HTTP_INTERNAL_SERVER_ERROR;
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218
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247 failed = ngx_change_file_access_n;
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248 name = temp->data;
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249
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250 goto failed;
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251 }
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252
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253 #endif
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254
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230
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255 if (r->headers_in.date) {
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256 date = ngx_http_parse_time(r->headers_in.date->value.data,
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257 r->headers_in.date->value.len);
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258
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259 if (date != NGX_ERROR) {
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260 if (ngx_set_file_time(temp->data,
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261 r->request_body->temp_file->file.fd, date)
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262 != NGX_OK)
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263 {
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264 err = ngx_errno;
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286
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265 not_found = NGX_HTTP_INTERNAL_SERVER_ERROR;
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230
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266 failed = ngx_set_file_time_n;
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267 name = temp->data;
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268
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269 goto failed;
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270 }
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271 }
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272 }
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273
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286
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274 not_found = NGX_HTTP_CONFLICT;
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218
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275 failed = ngx_rename_file_n;
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276 name = path.data;
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277
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182
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278 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) {
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279 goto ok;
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280 }
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281
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282 err = ngx_errno;
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283
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186
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284 if (err == NGX_ENOENT) {
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285
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286 if (dlcf->create_full_put_path) {
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282
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287 err = ngx_create_full_path(path.data, ngx_dir_access(dlcf->access));
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186
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288
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289 if (err == 0) {
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290 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) {
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291 goto ok;
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292 }
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293
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294 err = ngx_errno;
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295 }
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296 }
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297 }
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298
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182
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299 #if (NGX_WIN32)
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300
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301 if (err == NGX_EEXIST) {
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302 if (ngx_win32_rename_file(temp, &path, r->pool) != NGX_ERROR) {
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303
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304 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) {
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305 goto ok;
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306 }
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307 }
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308
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309 err = ngx_errno;
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310 }
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311
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230
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312 #endif
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218
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313
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314 failed:
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315
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210
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316 if (ngx_delete_file(temp->data) == NGX_FILE_ERROR) {
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317 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
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318 ngx_delete_file_n " \"%s\" failed",
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319 temp->data);
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320 }
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321
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218
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322 ngx_http_finalize_request(r,
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286
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323 ngx_http_dav_error(r->connection->log, err,
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324 not_found, failed, name));
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218
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325
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182
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326 return;
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327
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328 ok:
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329
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330 if (status == NGX_HTTP_CREATED) {
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186
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331 if (ngx_http_dav_location(r, path.data) != NGX_OK) {
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182
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332 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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333 return;
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334 }
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188
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335
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336 r->headers_out.content_length_n = 0;
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182
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337 }
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338
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339 r->headers_out.status = status;
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340 r->header_only = 1;
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341
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342 ngx_http_finalize_request(r, ngx_http_send_header(r));
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343 return;
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344 }
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345
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346
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186
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347 static ngx_int_t
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286
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348 ngx_http_dav_delete_handler(ngx_http_request_t *r)
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349 {
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350 size_t root;
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351 ngx_int_t rc, depth;
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352 ngx_uint_t dir;
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353 ngx_str_t path;
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354 ngx_file_info_t fi;
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355
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356 if (r->headers_in.content_length_n > 0) {
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357 return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
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358 }
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359
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360 rc = ngx_http_discard_body(r);
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361
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362 if (rc != NGX_OK && rc != NGX_AGAIN) {
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363 return rc;
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364 }
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365
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366 ngx_http_map_uri_to_path(r, &path, &root, 0);
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367
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368 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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369 "http delete filename: \"%s\"", path.data);
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370
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371 if (ngx_file_info(path.data, &fi) == -1) {
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372 return ngx_http_dav_error(r->connection->log, ngx_errno,
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373 NGX_HTTP_NOT_FOUND, ngx_file_info_n,
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374 path.data);
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375 }
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376
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377 if (ngx_is_dir(&fi)) {
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378
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379 if (r->uri.data[r->uri.len - 1] != '/') {
|
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380 /* TODO: 301 */
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381 return NGX_HTTP_BAD_REQUEST;
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382 }
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383
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384 depth = ngx_http_dav_depth(r, NGX_HTTP_DAV_INFINITY_DEPTH);
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385
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386 if (depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
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387 return NGX_HTTP_BAD_REQUEST;
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388 }
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389
|
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390 path.len -= 2; /* omit "/\0" */
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391
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392 dir = 1;
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393
|
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394 } else {
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395
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396 depth = ngx_http_dav_depth(r, 0);
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397
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398 if (depth != 0 && depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
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399 return NGX_HTTP_BAD_REQUEST;
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400 }
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401
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402 dir = 0;
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403 }
|
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404
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405 rc = ngx_http_dav_delete_path(r, &path, dir);
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406
|
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407 if (rc == NGX_OK) {
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408 return NGX_HTTP_NO_CONTENT;
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409 }
|
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410
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411 return rc;
|
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412 }
|
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413
|
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414
|
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415 static ngx_int_t
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416 ngx_http_dav_no_init(void *ctx, void *prev)
|
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417 {
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418 return NGX_OK;
|
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419 }
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420
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421
|
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422 static ngx_int_t
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423 ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
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424 {
|
|
425 return NGX_OK;
|
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426 }
|
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427
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428
|
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429 static ngx_int_t
|
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430 ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
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431 {
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432 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
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433 "http delete dir: \"%s\"", path->data);
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434
|
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435 if (ngx_delete_dir(path->data) == NGX_FILE_ERROR) {
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436
|
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437 /* TODO: add to 207 */
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438
|
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439 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_dir_n,
|
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440 path->data);
|
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441 }
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442
|
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443 return NGX_OK;
|
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444 }
|
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445
|
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446
|
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447 static ngx_int_t
|
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448 ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
449 {
|
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450 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
451 "http delete file: \"%s\"", path->data);
|
|
452
|
|
453 if (ngx_delete_file(path->data) == NGX_FILE_ERROR) {
|
|
454
|
|
455 /* TODO: add to 207 */
|
|
456
|
|
457 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_file_n,
|
|
458 path->data);
|
|
459 }
|
|
460
|
|
461 return NGX_OK;
|
|
462 }
|
|
463
|
|
464
|
|
465 static ngx_int_t
|
|
466 ngx_http_dav_mkcol_handler(ngx_http_request_t *r, ngx_http_dav_loc_conf_t *dlcf)
|
|
467 {
|
|
468 size_t root;
|
|
469 ngx_int_t rc;
|
|
470 ngx_str_t path;
|
|
471
|
|
472 if (r->headers_in.content_length_n > 0) {
|
|
473 return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
|
|
474 }
|
|
475
|
|
476 rc = ngx_http_discard_body(r);
|
|
477
|
|
478 if (rc != NGX_OK && rc != NGX_AGAIN) {
|
|
479 return rc;
|
|
480 }
|
|
481
|
|
482 ngx_http_map_uri_to_path(r, &path, &root, 0);
|
|
483
|
|
484 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
485 "http mkcol path: \"%s\"", path.data);
|
|
486
|
|
487 if (ngx_create_dir(path.data, ngx_dir_access(dlcf->access))
|
|
488 != NGX_FILE_ERROR)
|
|
489 {
|
|
490 if (ngx_http_dav_location(r, path.data) != NGX_OK) {
|
|
491 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
492 }
|
|
493
|
|
494 return NGX_HTTP_CREATED;
|
|
495 }
|
|
496
|
|
497 return ngx_http_dav_error(r->connection->log, ngx_errno,
|
|
498 NGX_HTTP_BAD_REQUEST, ngx_create_dir_n,
|
|
499 path.data);
|
|
500 }
|
|
501
|
|
502
|
|
503 static ngx_int_t
|
|
504 ngx_http_dav_copy_move_handler(ngx_http_request_t *r)
|
|
505 {
|
|
506 u_char *p, *host, *last, ch;
|
|
507 size_t root;
|
|
508 ngx_err_t err;
|
|
509 ngx_int_t rc, depth;
|
|
510 ngx_uint_t overwrite, slash;
|
|
511 ngx_str_t path, uri;
|
|
512 ngx_tree_ctx_t tree;
|
|
513 ngx_file_info_t fi;
|
|
514 ngx_table_elt_t *dest, *over;
|
|
515 ngx_http_dav_copy_ctx_t copy;
|
|
516
|
|
517 if (r->headers_in.content_length_n > 0) {
|
|
518 return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
|
|
519 }
|
|
520
|
|
521 dest = r->headers_in.destination;
|
|
522
|
|
523 if (dest == NULL) {
|
|
524 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
525 "client sent no \"Destination\" header");
|
|
526 return NGX_HTTP_BAD_REQUEST;
|
|
527 }
|
|
528
|
|
529 if (dest->value.len < sizeof("http://") - 1 + r->server_name.len + 1) {
|
|
530 goto invalid_destination;
|
|
531 }
|
|
532
|
|
533 #if (NGX_HTTP_SSL)
|
|
534
|
|
535 if (r->connection->ssl) {
|
|
536 if (ngx_strncmp(dest->value.data, "https://", sizeof("https://") - 1)
|
|
537 != 0)
|
|
538 {
|
|
539 goto invalid_destination;
|
|
540 }
|
|
541
|
|
542 host = dest->value.data + sizeof("https://") - 1;
|
|
543
|
|
544 } else
|
|
545 #endif
|
|
546 {
|
|
547 if (ngx_strncmp(dest->value.data, "http://", sizeof("http://") - 1)
|
|
548 != 0)
|
|
549 {
|
|
550 goto invalid_destination;
|
|
551 }
|
|
552
|
|
553 host = dest->value.data + sizeof("http://") - 1;
|
|
554 }
|
|
555
|
|
556 if (ngx_strncmp(host, r->server_name.data, r->server_name.len) != 0) {
|
|
557 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
558 "Destination URI \"%V\" is handled by "
|
|
559 "different repository than the source URI",
|
|
560 &dest->value);
|
|
561
|
|
562 return NGX_HTTP_BAD_REQUEST;
|
|
563 }
|
|
564
|
|
565 last = dest->value.data + dest->value.len;
|
|
566
|
|
567 for (p = host + r->server_name.len; p < last; p++) {
|
|
568 if (*p == '/') {
|
|
569 goto destination_done;
|
|
570 }
|
|
571 }
|
|
572
|
|
573 invalid_destination:
|
|
574
|
|
575 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
576 "client sent invalid \"Destination\" header: \"%V\"",
|
|
577 &dest->value);
|
|
578
|
|
579 return NGX_HTTP_BAD_REQUEST;
|
|
580
|
|
581 destination_done:
|
|
582
|
|
583 depth = ngx_http_dav_depth(r, 0);
|
|
584
|
|
585 if (depth != 0 && depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
|
|
586 return NGX_HTTP_BAD_REQUEST;
|
|
587 }
|
|
588
|
|
589 over = r->headers_in.overwrite;
|
|
590
|
|
591 if (over) {
|
|
592 if (over->value.len == 1) {
|
|
593 ch = over->value.data[0];
|
|
594
|
|
595 if (ch == 'T' || ch == 't') {
|
|
596 overwrite = 1;
|
|
597 goto overwrite_done;
|
|
598 }
|
|
599
|
|
600 if (ch == 'F' || ch == 'f') {
|
|
601 overwrite = 0;
|
|
602 goto overwrite_done;
|
|
603 }
|
|
604
|
|
605 }
|
|
606
|
|
607 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
608 "client sent invalid \"Overwrite\" header: \"%V\"",
|
|
609 &over->value);
|
|
610
|
|
611 return NGX_HTTP_BAD_REQUEST;
|
|
612 }
|
|
613
|
|
614 overwrite = 1;
|
|
615
|
|
616 overwrite_done:
|
|
617
|
|
618 rc = ngx_http_discard_body(r);
|
|
619
|
|
620 if (rc != NGX_OK && rc != NGX_AGAIN) {
|
|
621 return rc;
|
|
622 }
|
|
623
|
|
624 ngx_http_map_uri_to_path(r, &path, &root, 0);
|
|
625
|
|
626 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
627 "http copy from: \"%s\"", path.data);
|
|
628
|
|
629 uri = r->uri;
|
|
630
|
|
631 r->uri.len = last - p;
|
|
632 r->uri.data = p;
|
|
633
|
|
634 ngx_http_map_uri_to_path(r, ©.path, &root, 0);
|
|
635
|
|
636 r->uri = uri;
|
|
637
|
|
638 copy.path.len--; /* omit "\0" */
|
|
639
|
|
640 if (copy.path.data[copy.path.len - 1] == '/') {
|
|
641 slash = 1;
|
|
642 copy.path.len--;
|
|
643 copy.path.data[copy.path.len] = '\0';
|
|
644
|
|
645 } else {
|
|
646 slash = 0;
|
|
647 }
|
|
648
|
|
649 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
650 "http copy to: \"%s\"", copy.path.data);
|
|
651
|
|
652 if (ngx_file_info(copy.path.data, &fi) == -1) {
|
|
653 err = ngx_errno;
|
|
654
|
|
655 if (err != NGX_ENOENT) {
|
|
656 return ngx_http_dav_error(r->connection->log, err,
|
|
657 NGX_HTTP_NOT_FOUND, ngx_file_info_n,
|
|
658 copy.path.data);
|
|
659 }
|
|
660
|
|
661 /* destination does not exist */
|
|
662
|
|
663 } else {
|
|
664
|
|
665 /* destination exists */
|
|
666
|
|
667 if (ngx_is_dir(&fi) && !slash) {
|
|
668 return NGX_HTTP_CONFLICT;
|
|
669 }
|
|
670
|
|
671 if (!overwrite) {
|
|
672 return NGX_HTTP_PRECONDITION_FAILED;
|
|
673 }
|
|
674
|
|
675 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
676 "http delete: \"%s\"", copy.path.data);
|
|
677
|
|
678 rc = ngx_http_dav_delete_path(r, ©.path, ngx_is_dir(&fi));
|
|
679
|
|
680 if (rc != NGX_OK) {
|
|
681 return rc;
|
|
682 }
|
|
683 }
|
|
684
|
|
685 if (ngx_file_info(path.data, &fi) == -1) {
|
|
686 return ngx_http_dav_error(r->connection->log, ngx_errno,
|
|
687 NGX_HTTP_NOT_FOUND, ngx_file_info_n,
|
|
688 path.data);
|
|
689 }
|
|
690
|
|
691
|
|
692 if (ngx_is_dir(&fi)) {
|
|
693
|
|
694 if (r->uri.data[r->uri.len - 1] != '/') {
|
|
695 /* TODO: 301 */
|
|
696 return NGX_HTTP_BAD_REQUEST;
|
|
697 }
|
|
698
|
|
699 path.len -= 2; /* omit "/\0" */
|
|
700
|
|
701 if (r->method == NGX_HTTP_MOVE) {
|
|
702 if (ngx_rename_file(path.data, copy.path.data) != NGX_FILE_ERROR) {
|
|
703 return NGX_HTTP_CREATED;
|
|
704 }
|
|
705 }
|
|
706
|
|
707 if (ngx_create_dir(copy.path.data, ngx_file_access(&fi))
|
|
708 == NGX_FILE_ERROR)
|
|
709 {
|
|
710 return ngx_http_dav_error(r->connection->log, ngx_errno,
|
|
711 NGX_HTTP_NOT_FOUND,
|
|
712 ngx_create_dir_n, copy.path.data);
|
|
713 }
|
|
714
|
|
715 copy.len = path.len;
|
|
716
|
|
717 tree.init_handler = ngx_http_dav_no_init;
|
|
718 tree.file_handler = ngx_http_dav_copy_file;
|
|
719 tree.pre_tree_handler = ngx_http_dav_copy_dir;
|
|
720 tree.post_tree_handler = ngx_http_dav_copy_dir_time;
|
|
721 tree.spec_handler = ngx_http_dav_noop;
|
|
722 tree.data = ©
|
|
723 tree.alloc = 0;
|
|
724 tree.log = r->connection->log;
|
|
725
|
|
726 if (ngx_walk_tree(&tree, &path) == NGX_OK) {
|
|
727
|
|
728 if (r->method == NGX_HTTP_MOVE) {
|
|
729 rc = ngx_http_dav_delete_path(r, &path, 1);
|
|
730
|
|
731 if (rc != NGX_OK) {
|
|
732 return rc;
|
|
733 }
|
|
734 }
|
|
735
|
|
736 return NGX_HTTP_CREATED;
|
|
737 }
|
|
738
|
|
739 } else {
|
|
740
|
|
741 if (dest->value.data[dest->value.len - 1] == '/') {
|
|
742 return NGX_HTTP_BAD_REQUEST;
|
|
743 }
|
|
744
|
|
745 if (r->method == NGX_HTTP_MOVE) {
|
|
746 if (ngx_rename_file(path.data, copy.path.data) != NGX_FILE_ERROR) {
|
|
747 return NGX_HTTP_NO_CONTENT;
|
|
748 }
|
|
749 }
|
|
750
|
|
751 tree.data = ©
|
|
752 tree.log = r->connection->log;
|
|
753
|
|
754 if (ngx_http_dav_copy_file(&tree, &path) != NGX_FILE_ERROR) {
|
|
755
|
|
756 if (r->method == NGX_HTTP_MOVE) {
|
|
757 rc = ngx_http_dav_delete_path(r, &path, 0);
|
|
758
|
|
759 if (rc != NGX_OK) {
|
|
760 return rc;
|
|
761 }
|
|
762 }
|
|
763
|
|
764 return NGX_HTTP_NO_CONTENT;
|
|
765 }
|
|
766 }
|
|
767
|
|
768 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
769 }
|
|
770
|
|
771
|
|
772 static ngx_int_t
|
|
773 ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
774 {
|
|
775 u_char *p, *dir;
|
|
776 size_t len;
|
|
777 ngx_http_dav_copy_ctx_t *copy;
|
|
778
|
|
779 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
780 "http copy dir: \"%s\"", path->data);
|
|
781
|
|
782 copy = ctx->data;
|
|
783
|
|
784 len = copy->path.len + path->len;
|
|
785
|
|
786 dir = ngx_alloc(len + 1, ctx->log);
|
|
787 if (dir == NULL) {
|
|
788 return NGX_ABORT;
|
|
789 }
|
|
790
|
|
791 p = ngx_cpymem(dir, copy->path.data, copy->path.len);
|
|
792 (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
|
|
793
|
|
794 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
795 "http copy dir to: \"%s\"", dir);
|
|
796
|
|
797 if (ngx_create_dir(dir, ngx_dir_access(ctx->access)) == NGX_FILE_ERROR) {
|
|
798 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_create_dir_n,
|
|
799 dir);
|
|
800 }
|
|
801
|
|
802 ngx_free(dir);
|
|
803
|
|
804 return NGX_OK;
|
|
805 }
|
|
806
|
|
807
|
|
808 static ngx_int_t
|
|
809 ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
810 {
|
|
811 u_char *p, *dir;
|
|
812 size_t len;
|
|
813 ngx_http_dav_copy_ctx_t *copy;
|
|
814 #if (WIN32)
|
|
815 ngx_fd_t fd;
|
|
816 #endif
|
|
817
|
|
818 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
819 "http copy dir time: \"%s\"", path->data);
|
|
820
|
|
821 copy = ctx->data;
|
|
822
|
|
823 len = copy->path.len + path->len;
|
|
824
|
|
825 dir = ngx_alloc(len + 1, ctx->log);
|
|
826 if (dir == NULL) {
|
|
827 return NGX_ABORT;
|
|
828 }
|
|
829
|
|
830 p = ngx_cpymem(dir, copy->path.data, copy->path.len);
|
|
831 (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
|
|
832
|
|
833 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
834 "http copy dir time to: \"%s\"", dir);
|
|
835
|
|
836 #if (WIN32)
|
|
837
|
|
838 fd = ngx_open_file(dir, NGX_FILE_RDWR, NGX_FILE_OPEN, 0);
|
|
839
|
|
840 if (fd == NGX_INVALID_FILE) {
|
|
841 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n, dir);
|
|
842 goto failed;
|
|
843 }
|
|
844
|
|
845 if (ngx_set_file_time(NULL, fd, ctx->mtime) != NGX_OK) {
|
|
846 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
847 ngx_set_file_time_n " \"%s\" failed", dir);
|
|
848 }
|
|
849
|
|
850 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
851 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
852 ngx_close_file_n " \"%s\" failed", dir);
|
|
853 }
|
|
854
|
|
855 failed:
|
|
856
|
|
857 #else
|
|
858
|
|
859 if (ngx_set_file_time(dir, 0, ctx->mtime) != NGX_OK) {
|
|
860 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
861 ngx_set_file_time_n " \"%s\" failed", dir);
|
|
862 }
|
|
863
|
|
864 #endif
|
|
865
|
|
866 ngx_free(dir);
|
|
867
|
|
868 return NGX_OK;
|
|
869 }
|
|
870
|
|
871
|
|
872 static ngx_int_t
|
|
873 ngx_http_dav_copy_file(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
874 {
|
|
875 u_char *p, *file;
|
|
876 size_t len;
|
|
877 off_t size;
|
|
878 ssize_t n;
|
|
879 ngx_fd_t fd, copy_fd;
|
|
880 ngx_http_dav_copy_ctx_t *copy;
|
|
881 u_char buf[NGX_HTTP_DAV_COPY_BLOCK];
|
|
882
|
|
883 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
884 "http copy file: \"%s\"", path->data);
|
|
885
|
|
886 copy = ctx->data;
|
|
887
|
|
888 len = copy->path.len + path->len;
|
|
889
|
|
890 file = ngx_alloc(len + 1, ctx->log);
|
|
891 if (file == NULL) {
|
|
892 return NGX_ABORT;
|
|
893 }
|
|
894
|
|
895 p = ngx_cpymem(file, copy->path.data, copy->path.len);
|
|
896 (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
|
|
897
|
|
898 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
899 "http copy file to: \"%s\"", file);
|
|
900
|
|
901 fd = ngx_open_file(path->data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);
|
|
902
|
|
903 if (fd == NGX_INVALID_FILE) {
|
|
904 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n,
|
|
905 path->data);
|
|
906 goto failed;
|
|
907 }
|
|
908
|
|
909 copy_fd = ngx_open_file(file, NGX_FILE_WRONLY, NGX_FILE_CREATE_OR_OPEN,
|
|
910 ctx->access);
|
|
911
|
|
912 if (copy_fd == NGX_INVALID_FILE) {
|
|
913 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n,
|
|
914 file);
|
|
915 goto copy_failed;
|
|
916 }
|
|
917
|
|
918 for (size = ctx->size; size > 0; size -= n) {
|
|
919
|
|
920 n = ngx_read_fd(fd, buf, NGX_HTTP_DAV_COPY_BLOCK);
|
|
921
|
|
922 if (n == NGX_FILE_ERROR) {
|
|
923 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
924 ngx_read_fd_n " \"%s\" failed", path->data);
|
|
925 break;
|
|
926 }
|
|
927
|
|
928 if (ngx_write_fd(copy_fd, buf, n) == NGX_FILE_ERROR) {
|
|
929 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
930 ngx_write_fd_n " \"%s\" failed", file);
|
|
931 }
|
|
932 }
|
|
933
|
|
934 if (ngx_set_file_time(file, copy_fd, ctx->mtime) != NGX_OK) {
|
|
935 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
936 ngx_set_file_time_n " \"%s\" failed", file);
|
|
937 }
|
|
938
|
|
939 if (ngx_close_file(copy_fd) == NGX_FILE_ERROR) {
|
|
940 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
941 ngx_close_file_n " \"%s\" failed", file);
|
|
942 }
|
|
943
|
|
944 copy_failed:
|
|
945
|
|
946 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
947 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
948 ngx_close_file_n " \"%s\" failed", path->data);
|
|
949 }
|
|
950
|
|
951 failed:
|
|
952
|
|
953 ngx_free(file);
|
|
954
|
|
955 return NGX_OK;
|
|
956 }
|
|
957
|
|
958
|
|
959 static ngx_int_t
|
|
960 ngx_http_dav_delete_path(ngx_http_request_t *r, ngx_str_t *path, ngx_uint_t dir)
|
|
961 {
|
|
962 char *failed;
|
|
963 ngx_tree_ctx_t tree;
|
|
964
|
|
965 if (dir) {
|
|
966
|
|
967 tree.init_handler = ngx_http_dav_no_init;
|
|
968 tree.file_handler = ngx_http_dav_delete_file;
|
|
969 tree.pre_tree_handler = ngx_http_dav_noop;
|
|
970 tree.post_tree_handler = ngx_http_dav_delete_dir;
|
|
971 tree.spec_handler = ngx_http_dav_delete_file;
|
|
972 tree.data = NULL;
|
|
973 tree.alloc = 0;
|
|
974 tree.log = r->connection->log;
|
|
975
|
|
976 /* todo: 207 */
|
|
977
|
|
978 if (ngx_walk_tree(&tree, path) != NGX_OK) {
|
|
979 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
980 }
|
|
981
|
|
982 if (ngx_delete_dir(path->data) != NGX_FILE_ERROR) {
|
|
983 return NGX_OK;
|
|
984 }
|
|
985
|
|
986 failed = ngx_delete_dir_n;
|
|
987
|
|
988 } else {
|
|
989
|
|
990 if (ngx_delete_file(path->data) != NGX_FILE_ERROR) {
|
|
991 return NGX_OK;
|
|
992 }
|
|
993
|
|
994 failed = ngx_delete_file_n;
|
|
995 }
|
|
996
|
|
997 return ngx_http_dav_error(r->connection->log, ngx_errno,
|
|
998 NGX_HTTP_NOT_FOUND, failed, path->data);
|
|
999 }
|
|
1000
|
|
1001
|
|
1002 static ngx_int_t
|
|
1003 ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt)
|
|
1004 {
|
|
1005 ngx_table_elt_t *depth;
|
|
1006
|
|
1007 depth = r->headers_in.depth;
|
|
1008
|
|
1009 if (depth == NULL) {
|
|
1010 return dflt;
|
|
1011 }
|
|
1012
|
|
1013 if (depth->value.len == 1) {
|
|
1014
|
|
1015 if (depth->value.data[0] == '0') {
|
|
1016 return 0;
|
|
1017 }
|
|
1018
|
|
1019 if (depth->value.data[0] == '1') {
|
|
1020 return 1;
|
|
1021 }
|
|
1022
|
|
1023 } else {
|
|
1024
|
|
1025 if (depth->value.len == sizeof("infinity") - 1
|
|
1026 && ngx_strcmp(depth->value.data, "infinity") == 0)
|
|
1027 {
|
|
1028 return NGX_HTTP_DAV_INFINITY_DEPTH;
|
|
1029 }
|
|
1030 }
|
|
1031
|
|
1032 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1033 "client sent invalid \"Depth\" header: \"%V\"",
|
|
1034 &depth->value);
|
|
1035
|
|
1036 return NGX_HTTP_DAV_INVALID_DEPTH;
|
|
1037 }
|
|
1038
|
|
1039
|
|
1040 static ngx_int_t
|
|
1041 ngx_http_dav_error(ngx_log_t *log, ngx_err_t err, ngx_int_t not_found,
|
186
|
1042 char *failed, u_char *path)
|
|
1043 {
|
|
1044 ngx_int_t rc;
|
|
1045 ngx_uint_t level;
|
|
1046
|
|
1047 if (err == NGX_ENOENT || err == NGX_ENOTDIR || err == NGX_ENAMETOOLONG) {
|
|
1048 level = NGX_LOG_ERR;
|
|
1049 rc = not_found;
|
|
1050
|
|
1051 } else if (err == NGX_EACCES || err == NGX_EPERM) {
|
|
1052 level = NGX_LOG_ERR;
|
|
1053 rc = NGX_HTTP_FORBIDDEN;
|
|
1054
|
|
1055 } else if (err == NGX_EEXIST) {
|
|
1056 level = NGX_LOG_ERR;
|
|
1057 rc = NGX_HTTP_NOT_ALLOWED;
|
|
1058
|
|
1059 } else if (err == NGX_ENOSPC) {
|
|
1060 level = NGX_LOG_CRIT;
|
|
1061 rc = NGX_HTTP_INSUFFICIENT_STORAGE;
|
|
1062
|
|
1063 } else {
|
|
1064 level = NGX_LOG_CRIT;
|
|
1065 rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1066 }
|
|
1067
|
286
|
1068 ngx_log_error(level, log, err, "%s \"%s\" failed", failed, path);
|
186
|
1069
|
|
1070 return rc;
|
|
1071 }
|
|
1072
|
|
1073
|
|
1074 static ngx_int_t
|
|
1075 ngx_http_dav_location(ngx_http_request_t *r, u_char *path)
|
|
1076 {
|
|
1077 u_char *location;
|
|
1078 ngx_http_core_loc_conf_t *clcf;
|
|
1079
|
|
1080 r->headers_out.location = ngx_palloc(r->pool, sizeof(ngx_table_elt_t));
|
|
1081 if (r->headers_out.location == NULL) {
|
|
1082 return NGX_ERROR;
|
|
1083 }
|
|
1084
|
|
1085 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
1086
|
|
1087 if (!clcf->alias && clcf->root_lengths == NULL) {
|
|
1088 location = path + clcf->root.len;
|
|
1089
|
|
1090 } else {
|
|
1091 location = ngx_palloc(r->pool, r->uri.len);
|
|
1092 if (location == NULL) {
|
|
1093 return NGX_ERROR;
|
|
1094 }
|
|
1095
|
|
1096 ngx_memcpy(location, r->uri.data, r->uri.len);
|
|
1097 }
|
|
1098
|
|
1099 /*
|
|
1100 * we do not need to set the r->headers_out.location->hash and
|
|
1101 * r->headers_out.location->key fields
|
|
1102 */
|
|
1103
|
|
1104 r->headers_out.location->value.len = r->uri.len;
|
|
1105 r->headers_out.location->value.data = location;
|
|
1106
|
|
1107 return NGX_OK;
|
|
1108 }
|
|
1109
|
|
1110
|
218
|
1111 static char *
|
|
1112 ngx_http_dav_access(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
1113 {
|
|
1114 ngx_http_dav_loc_conf_t *lcf = conf;
|
|
1115
|
|
1116 u_char *p;
|
|
1117 ngx_str_t *value;
|
|
1118 ngx_uint_t i, right, shift;
|
|
1119
|
|
1120 if (lcf->access != NGX_CONF_UNSET_UINT) {
|
|
1121 return "is duplicate";
|
|
1122 }
|
|
1123
|
|
1124 value = cf->args->elts;
|
|
1125
|
282
|
1126 lcf->access = 0600;
|
218
|
1127
|
268
|
1128 for (i = 1; i < cf->args->nelts; i++) {
|
218
|
1129
|
|
1130 p = value[i].data;
|
|
1131
|
|
1132 if (ngx_strncmp(p, "user:", sizeof("user:") - 1) == 0) {
|
|
1133 shift = 6;
|
|
1134 p += sizeof("user:") - 1;
|
|
1135
|
|
1136 } else if (ngx_strncmp(p, "group:", sizeof("group:") - 1) == 0) {
|
|
1137 shift = 3;
|
|
1138 p += sizeof("group:") - 1;
|
|
1139
|
|
1140 } else if (ngx_strncmp(p, "all:", sizeof("all:") - 1) == 0) {
|
|
1141 shift = 0;
|
|
1142 p += sizeof("all:") - 1;
|
|
1143
|
|
1144 } else {
|
|
1145 goto invalid;
|
|
1146 }
|
|
1147
|
|
1148 if (ngx_strcmp(p, "rw") == 0) {
|
282
|
1149 right = 6;
|
218
|
1150
|
|
1151 } else if (ngx_strcmp(p, "r") == 0) {
|
282
|
1152 right = 4;
|
218
|
1153
|
|
1154 } else {
|
|
1155 goto invalid;
|
|
1156 }
|
|
1157
|
282
|
1158 lcf->access |= right << shift;
|
218
|
1159 }
|
|
1160
|
|
1161 return NGX_CONF_OK;
|
|
1162
|
|
1163 invalid:
|
|
1164
|
|
1165 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1166 "invalid value \"%V\"", &value[i]);
|
|
1167 return NGX_CONF_ERROR;
|
|
1168 }
|
|
1169
|
|
1170
|
182
|
1171 static void *
|
|
1172 ngx_http_dav_create_loc_conf(ngx_conf_t *cf)
|
|
1173 {
|
|
1174 ngx_http_dav_loc_conf_t *conf;
|
|
1175
|
|
1176 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_dav_loc_conf_t));
|
|
1177 if (conf == NULL) {
|
|
1178 return NGX_CONF_ERROR;
|
|
1179 }
|
|
1180
|
|
1181 /*
|
|
1182 * set by ngx_pcalloc():
|
|
1183 *
|
|
1184 * conf->methods = 0;
|
|
1185 */
|
|
1186
|
186
|
1187 conf->create_full_put_path = NGX_CONF_UNSET;
|
218
|
1188 conf->access = NGX_CONF_UNSET_UINT;
|
186
|
1189
|
182
|
1190 return conf;
|
|
1191 }
|
|
1192
|
|
1193
|
|
1194 static char *
|
|
1195 ngx_http_dav_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
1196 {
|
|
1197 ngx_http_dav_loc_conf_t *prev = parent;
|
|
1198 ngx_http_dav_loc_conf_t *conf = child;
|
|
1199
|
|
1200 ngx_conf_merge_bitmask_value(conf->methods, prev->methods,
|
186
|
1201 (NGX_CONF_BITMASK_SET|NGX_HTTP_DAV_OFF));
|
|
1202
|
|
1203 ngx_conf_merge_value(conf->create_full_put_path, prev->create_full_put_path,
|
|
1204 0);
|
182
|
1205
|
218
|
1206 ngx_conf_merge_uint_value(conf->access, prev->access, 0600);
|
|
1207
|
182
|
1208 return NGX_CONF_OK;
|
|
1209 }
|
|
1210
|
|
1211
|
|
1212 static ngx_int_t
|
230
|
1213 ngx_http_dav_init(ngx_conf_t *cf)
|
182
|
1214 {
|
|
1215 ngx_http_handler_pt *h;
|
|
1216 ngx_http_core_main_conf_t *cmcf;
|
|
1217
|
230
|
1218 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
182
|
1219
|
|
1220 h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers);
|
|
1221 if (h == NULL) {
|
|
1222 return NGX_ERROR;
|
|
1223 }
|
|
1224
|
|
1225 *h = ngx_http_dav_handler;
|
|
1226
|
|
1227 return NGX_OK;
|
|
1228 }
|