Mercurial > trustbridge

annotate common/portpath.c @ 1336:de9c94defbce

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(issue164) Added README for trustbridge-admin.
author Emanuel Schuetze <emanuel@intevation.de>
date Thu, 16 Oct 2014 14:55:43 +0200
parents 64333dad503b
children
rev   line source
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8 #include "portpath.h"
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9 #include "strhelp.h"
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10 #include "util.h"
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11 #include "logging.h"
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12
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13 #include <libgen.h>
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14 #include <limits.h>
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15 #include <stdio.h>
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16 #include <stdlib.h>
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17 #include <sys/stat.h>
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18 #include <sys/types.h>
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19 #include <unistd.h>
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20 #include <string.h>
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21
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22 #ifdef WIN32
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23 #include <share.h>
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24 #endif
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25
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26 char *
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27 port_dirname(char *path)
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28 {
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29 #ifndef _WIN32
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30 return dirname(path);
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31 #else
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32 char drive[_MAX_DRIVE];
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33 char dir[_MAX_DIR];
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34 _splitpath(path, drive, dir, NULL, NULL);
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35 size_t dlen = strlen(dir);
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36 if ((dlen > 0) &&
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37 ((dir[dlen-1] == '/') || (dir[dlen-1] == '\\')))
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38 dir[dlen-1] = '\0';
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39 /* We assume: drive + dir is shorter than
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40 * drive + dir + fname + ext */
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41 sprintf(path, "%s%s", drive, dir);
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42 return path;
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43 #endif
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44 }
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45
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46 bool
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47 port_mkdir(const char *path, bool propagate_acl)
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48 {
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49 #ifndef _WIN32
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50 if (propagate_acl)
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51 {
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52 DEBUGPRINTF("WARNING: ACL propagation only has an effect on Windows.\n");
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53 }
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54 return mkdir(path, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) == 0;
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55 #else
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56 wchar_t *wchar_path = utf8_to_wchar(path, strlen(path));
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57 bool ret;
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58
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59 if (!wchar_path)
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60 {
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61 return false;
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62 }
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63 ret = create_restricted_directory (wchar_path, propagate_acl, NULL);
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64 xfree (wchar_path);
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65 return ret;
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66 #endif
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67 }
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68
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69 char *
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70 port_realpath(const char *path)
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71 {
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72 #ifndef _WIN32
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73 return realpath(path, NULL);
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74 #else
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75 char *fp = _fullpath(NULL, path, 0);
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76 if (port_fileexits(fp))
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77 return fp;
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78 else
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79 return NULL;
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80 #endif
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81 }
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82
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83 bool
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84 port_fileexits(char *path)
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85 {
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86 int ret;
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87 #ifndef _WIN32
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88 struct stat sb;
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89 ret = stat(path, &sb);
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90 #else
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91 struct _stat sb;
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92 ret = _stat(path, &sb);
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93 #endif
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94
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95 if (ret == 0)
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96 return true;
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97 else
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98 return false;
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99 }
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100
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101 bool
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102 port_mkdir_p(const char *path, bool propagate_acl)
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103 {
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104 char *parent_path,
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105 *p;
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106 if (!path) {
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107 return false;
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108 }
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109 if (port_isdir(path)) {
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110 return true;
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111 }
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112 parent_path = xstrndup (path, strlen(path));
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113 p = strrchr(parent_path, '/');
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114 if (!p)
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115 {
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116 p = strrchr(parent_path, '\\');
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117 }
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118 if (!p)
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119 {
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120 return false;
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121 }
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122 *p = '\0';
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123 if (!port_isdir(parent_path))
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124 {
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125 port_mkdir_p(parent_path, false);
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126 }
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127 return port_mkdir(path, propagate_acl);
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128 }
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129
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130 bool
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131 port_isdir(const char *path)
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132 {
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133 int ret;
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134 #ifndef _WIN32
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135 struct stat sb;
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136 ret = stat(path, &sb);
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137 #else
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138 struct _stat sb;
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139 ret = _stat(path, &sb);
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140 #endif
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141
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142 if ((ret == 0) && S_ISDIR(sb.st_mode))
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143 return true;
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144 else
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145 return false;
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146 }
1157
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147
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148 FILE*
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149 port_fopen_rb(const char *path, bool exclusive)
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150 {
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151 FILE *f = NULL;
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152 if (!path)
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153 {
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154 return NULL;
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155 }
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156 #ifdef WIN32
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157 {
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158 wchar_t *wFilename = utf8_to_wchar(path, strlen(path));
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159 if (!wFilename)
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160 {
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161 ERRORPRINTF ("Invalid encoding\n");
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162 return NULL;
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163 }
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164 /* We open and write protect the file here so that
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165 as long as the file is open we can be sure that
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166 it was not modified and can use it in subsequent
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167 calls based on the filename. */
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168 if (exclusive)
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169 {
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170 f = _wfsopen(wFilename, L"rb", _SH_DENYWR);
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171 }
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172 else
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173 {
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174 f = _wfopen(wFilename, L"rb");
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175 }
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176 xfree(wFilename);
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177 if (f == NULL)
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178 {
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179 /* Fall back to local8 bit encoding */
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180 if (exclusive)
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181 {
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182 f = _fsopen(path, "rb", _SH_DENYWR);
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183 }
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184 else
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185 {
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186 f = fopen(path, "rb");
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187 }
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188 }
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189 }
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190 #else
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191 (void)(exclusive);
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192 f = fopen(path, "rb");
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193 #endif
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194 return f;
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195 }
http://wald.intevation.org/projects/trustbridge/