src/server/safs/pcheck.c

Wed, 26 Oct 2016 15:53:56 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 26 Oct 2016 15:53:56 +0200
changeset 118
38bf6dd8f4e7
parent 116
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child 139
29ac9aed4889
permissions
-rw-r--r--

adds minimal cgi implementation

some env vars still missing
request body not supported yet

116
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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 2008 Sun Microsystems, Inc. All rights reserved.
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5 *
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6 * THE BSD LICENSE
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7 *
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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10 *
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11 * Redistributions of source code must retain the above copyright notice, this
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12 * list of conditions and the following disclaimer.
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13 * Redistributions in binary form must reproduce the above copyright notice,
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14 * this list of conditions and the following disclaimer in the documentation
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15 * and/or other materials provided with the distribution.
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16 *
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17 * Neither the name of the nor the names of its contributors may be
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18 * used to endorse or promote products derived from this software without
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19 * specific prior written permission.
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20 *
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21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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25 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 */
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33
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34 /*
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35 * open web server code from safs/pcheck.cpp
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36 */
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37
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38 #include "pcheck.h"
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39
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40 #include "../util/pblock.h"
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41
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42 /* --------------------------- pcheck_find_path --------------------------- */
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43
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44
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45 /*
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46 * Takes a given path, and figures out if there is any path_info attached.
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47 * If no explicit path_info was provided by nametrans, and the file doesn't
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48 * exist as specified, it tries to find it by groping through the filesystem.
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49 *
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50 * This type of implicit path_info cannot be attached to directories. Such
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51 * a request will be flagged as not found.
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52 *
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53 * pb unused.
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54 */
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55
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56 static char* find_param(char *uri, char *param)
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57 {
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58 // Find ;parameters on the end of uri
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59 if (param > uri) {
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60 if (*param == FILE_PATHSEP) {
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61 --param;
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62 }
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63 while (param > uri && *param != FILE_PATHSEP && *param != ';') {
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64 --param;
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65 }
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66 if (*param == ';') {
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67 return param;
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68 }
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69 }
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70
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71 return NULL;
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72 }
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73
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74 static PRBool set_path_info(Request *rq, char *uri, int path_info_depth)
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75 {
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76 // Find trailing path components in uri, e.g. the "/baz;qux/quux" in
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77 // "/cgi-bin/foo.pl;bar/baz;qux/quux" (here path_info_depth would be 2)
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78 char *path_info = &uri[strlen(uri)];
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79 while (path_info > uri && path_info_depth) {
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80 --path_info;
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81 if (*path_info == FILE_PATHSEP) {
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82 --path_info_depth;
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83 }
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84 }
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85
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86 if (*path_info) {
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87 pblock_nvinsert("path-info", path_info, rq->vars);
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88 return PR_TRUE;
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89 }
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90
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91 return PR_FALSE;
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92 }
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93
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94 int pcheck_find_path(pblock *pb, Session *sn, Request *rq)
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95 {
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96 char *path = pblock_findkeyval (pb_key_path, rq -> vars);
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97 char *path_info = pblock_findkeyval (pb_key_path_info , rq -> vars);
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98 char *script_name = pblock_findkeyval (pb_key_script_name, rq -> vars);
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99 //NSFCFileInfo *finfo = NULL;
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100 struct stat *finfo;
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101
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102 rq->directive_is_cacheable = 1;
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103
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104 if (path_info != NULL || script_name != NULL || path == NULL)
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105 return REQ_NOACTION;// ruslan: bail out right away for performance (no need to go into file cache)
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106
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107 if (!*path)
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108 return REQ_NOACTION;
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109
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110 /*
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111 if ((INTrequest_info_path(path, rq, NULL) == PR_SUCCESS))
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112 return REQ_NOACTION;
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113 */
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114
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115 rq->directive_is_cacheable = 0;
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116
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117 path_info = &path[strlen(path) - 1];
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118
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119 char *forward = pblock_findkeyval(pb_key_find_pathinfo_forward, rq->vars);
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120 char *base = NULL;
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121 if (forward) {
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122 base = pblock_findval("ntrans-base" , rq -> vars);
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123 if (!base) forward = NULL;
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124 }
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125
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126 int path_info_depth = 0;
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127
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128 if(!forward) {
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129 while (1) {
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130 /* Change all occurrences of '/' to FILE_PATHSEP for WIN32 */
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131 for( ; path_info != path; --path_info)
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132 if (*path_info == FILE_PATHSEP)
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133 break;
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134 for( ; path_info != path; --path_info) {
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135 ++path_info_depth;
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136 if (*(path_info - 1) != FILE_PATHSEP)
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137 break;
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138 }
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139
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140 if (path_info == path)
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141 break;
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142
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143 *path_info = '\0';
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144 //if ((INTrequest_info_path(path, rq, &finfo) == PR_SUCCESS) && finfo) {
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145 if((finfo = request_stat_path(path, rq)) != NULL) {
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146 //if (finfo->pr.type != PR_FILE_FILE) {
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147 if(S_ISDIR(finfo->st_mode)) {
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148 *path_info = FILE_PATHSEP;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
149 if (set_path_info(rq, pblock_findkeyval(pb_key_uri, rq->reqpb), 0)) {
d7a186cf87f6 adds find-pathinfo saf
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parents:
diff changeset
150 free(finfo);
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
151 return REQ_PROCEED;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
152 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
153 break;
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
154 } else {
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
155 set_path_info(rq, pblock_findkeyval(pb_key_uri, rq->reqpb), path_info_depth);
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parents:
diff changeset
156 free(finfo);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
157 return REQ_PROCEED;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
158 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
159 } else {
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parents:
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160 *path_info-- = FILE_PATHSEP;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
161 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
162 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
163 /* This was changed to support virtual documents */
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
164 return REQ_NOACTION;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
165 } else {
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
166 int baselen = strlen(base);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
167 if (strncmp(path, base, baselen))
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parents:
diff changeset
168 return REQ_NOACTION;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
169
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
170 path_info = &path[baselen];
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
171 if (*path_info == '/')
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
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172 path_info++;
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parents:
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173
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
174 while (1) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
175 for( ; *path_info; ++path_info)
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
176 if (*path_info == FILE_PATHSEP)
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parents:
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177 break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
178
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
179 if (!*path_info) {
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parents:
diff changeset
180 if (set_path_info(rq, pblock_findkeyval(pb_key_uri, rq->reqpb), 0)) {
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parents:
diff changeset
181 return REQ_PROCEED;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
182 }
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
183 break;
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
184 }
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
185
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
186 *path_info = '\0';
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
187 //if ((INTrequest_info_path(path, rq, &finfo) == PR_SUCCESS) && finfo) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
188 if((finfo = request_stat_path(path, rq)) != NULL) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
189 //if (finfo->pr.type != PR_FILE_FILE) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
190 if(S_ISDIR(finfo->st_mode)) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
191 *path_info++ = FILE_PATHSEP;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
192 } else {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
193 char *uri = pblock_findkeyval(pb_key_uri, rq->reqpb);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
194 *path_info = FILE_PATHSEP;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
195 #ifdef XP_WIN32
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
196 char *unmpath = pblock_findval("unmuri", rq->vars);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
197 if (unmpath) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
198 char *nm = &path_info[strlen(path_info)-1];
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
199 char *unm = &unmpath[strlen(unmpath)-1];
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
200 while(nm != path_info && unm != unmpath) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
201 if (*nm != *unm) {
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
202 if (*unm == '\\' && *nm == '/')
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
203 *nm = *unm;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
204 else
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
205 PR_ASSERT(0);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
206 }
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
207 nm--;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
208 unm--;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
209 }
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
210 uri = unmpath;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
211 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
212 #endif
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
213 char *t = path_info;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
214 for(; *t; ++t)
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
215 if (*t == FILE_PATHSEP)
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
216 ++path_info_depth;
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
217 *path_info = '\0';
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
218 set_path_info(rq, uri, path_info_depth);
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
219 free(finfo);
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
220 return REQ_PROCEED;
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
221 }
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
222 free(finfo);
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
223 }
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
224 else {
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
225 *path_info = FILE_PATHSEP;
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
226 break;
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
227 }
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
228 }
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
229
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
230 /* This was changed to support virtual documents */
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
231 return REQ_NOACTION;
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
232 }
d7a186cf87f6 adds find-pathinfo saf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
233 }

mercurial