Mercurial > trustbridge > trustbridge

annotate common/portpath.c @ 1070:f110a3f6e387

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(issue114) Fine tune ACL propagation using mkdir_p the ACL of the parent directories would propagate to all subdirectories and objects in the directory. Now we only use ACL propagation in the last directory to make sure that files we might create in that directory inherit the correct (resitricted) ACL
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 10 Sep 2014 16:41:36 +0200
parents 66f6361fba1b
children fd7d04bb37cb
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 char *
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23 port_dirname(char *path)
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24 {
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25 #ifndef _WIN32
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26 return dirname(path);
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27 #else
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28 char drive[_MAX_DRIVE];
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29 char dir[_MAX_DIR];
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30 _splitpath(path, drive, dir, NULL, NULL);
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31 size_t dlen = strlen(dir);
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32 if ((dlen > 0) &&
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33 ((dir[dlen-1] == '/') || (dir[dlen-1] == '\\')))
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34 dir[dlen-1] = '\0';
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35 /* We assume: drive + dir is shorter than
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36 * drive + dir + fname + ext */
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37 sprintf(path, "%s%s", drive, dir);
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38 return path;
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39 #endif
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40 }
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41
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42 bool
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43 port_mkdir(const char *path, bool propagate_acl)
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44 {
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45 #ifndef _WIN32
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46 if (propagate_acl)
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47 {
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48 DEBUGPRINTF("WARNING: ACL propagation only has an effect on Windows.\n");
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49 }
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50 return mkdir(path, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) == 0;
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51 #else
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52 wchar_t *wchar_path = utf8_to_wchar(path, strlen(path));
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53 bool ret;
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54
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55 if (!wchar_path)
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56 {
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57 return false;
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58 }
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59 ret = create_restricted_directory (wchar_path, propagate_acl);
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60 xfree (wchar_path);
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61 return ret;
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62 #endif
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63 }
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64
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65 char *
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66 port_realpath(const char *path)
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67 {
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68 #ifndef _WIN32
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69 return realpath(path, NULL);
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70 #else
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71 char *fp = _fullpath(NULL, path, 0);
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72 if (port_fileexits(fp))
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73 return fp;
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74 else
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75 return NULL;
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76 #endif
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77 }
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78
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79 bool
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80 port_fileexits(char *path)
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81 {
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82 int ret;
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83 #ifndef _WIN32
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84 struct stat sb;
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85 ret = stat(path, &sb);
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86 #else
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87 struct _stat sb;
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88 ret = _stat(path, &sb);
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89 #endif
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90
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91 if (ret == 0)
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92 return true;
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93 else
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94 return false;
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95 }
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96
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97 bool
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98 port_mkdir_p(const char *path, bool propagate_acl)
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99 {
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100 char *parent_path,
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101 *p;
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102 if (!path) {
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103 return false;
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104 }
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105 if (port_isdir(path)) {
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106 return true;
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107 }
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108 parent_path = xstrndup (path, strlen(path));
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109 p = strrchr(parent_path, '/');
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110 if (!p)
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111 {
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112 p = strrchr(parent_path, '\\');
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113 }
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114 if (!p)
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115 {
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116 return false;
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117 }
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118 *p = '\0';
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119 if (!port_isdir(parent_path))
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120 {
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121 port_mkdir_p(parent_path, false);
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122 }
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123 return port_mkdir(path, propagate_acl);
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124 }
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125
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126 bool
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127 port_isdir(const char *path)
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128 {
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129 int ret;
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130 #ifndef _WIN32
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131 struct stat sb;
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132 ret = stat(path, &sb);
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133 #else
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134 struct _stat sb;
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135 ret = _stat(path, &sb);
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136 #endif
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137
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138 if ((ret == 0) && S_ISDIR(sb.st_mode))
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139 return true;
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140 else
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141 return false;
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142 }
http://wald.intevation.org/projects/trustbridge/