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annotate cinst/mozilla.c @ 110:0c8ea71a89cd

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fixed whitespace.
author Sascha Wilde <wilde@intevation.de>
date Fri, 21 Mar 2014 15:46:12 +0100
parents bc1e6732f43c
children 02ad0922c01f
rev   line source
44
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <sys/stat.h>
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4 #include <unistd.h>
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5 #include <string.h>
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6 #include <fcntl.h>
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7 #include <errno.h>
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8
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9 /* @file Mozilla installation process
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10 *
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11 * Reads from stdin a list of instructions in the form:
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12 *
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13 * I:<base64 DER econded certificate>\r\n
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14 * R:<base64 DER econded certificate>\r\n
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15 * ...
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16 *
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17 * The maximum size of an input line is 1000 characters
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18 * (including the \r\n) at the end of the line.
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19 *
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20 * Certificates marked with I: will be installed and the ones
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21 * marked with R: will be searched and if available removed from
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22 * the databases.
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23 *
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24 * This tool tries to find all NSS databases the user has
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25 * access to and to execute the instructions on all of them.
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26 *
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27 * If there are other processes accessing the databases the caller
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28 * has to ensure that those are terminated before this process is
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29 * executed.
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30 *
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31 * Returns 0 on success (Even when no stores where found) an error value
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32 * as defined in errorcodes.h otherwise.
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33 *
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34 * Success messages are written to stdout. Errors to stderr. For logging
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35 * purposes each installation / removal of a certificate will be reported
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36 * with the profile name that it modified.
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37 *
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38 */
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39
44
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40 /* @brief IniParser for mozilla profiles.ini
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41 *
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42 * Parse data to find values formed in
44
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43 *
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44 * [Profile99]
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45 * IsRelative=1
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46 * Path=Profiles/fooo.bar
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47 *
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48 * or
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49 * [Profile0]
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50 * IsRelative=0
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51 * Path=c:\foo\bar\baz
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52 *
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53 * Mozilla also accepts the ini file on Windows even if it is UTF-16
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54 * encoded.
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55 * */
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56
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57
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58 /**
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59 * @brief Read a file into memory.
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60 *
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61 * @param[in] fileName Name of the file (UTF-8 encoded).
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62 * @param[out] data Newly allocated pointer to the file content.
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63 * @param[out] size Size in Bytes of the file content.
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64 * @param[in] maxSize the maximum size to read.
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65 *
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66 * @return 0 on success an error code otherwise.
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67 */
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68
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69 #define RAF_UNKNOWN -1
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70 #define RAF_UNREADABLE -2
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71 #define RAF_STATFAILED -3
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72 #define RAF_TOOLARGE -4
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73 #define RAF_OUTOFCORE -5
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74 int readFile(const char *fileName, char **data, size_t *size,
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75 const size_t maxSize)
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76 {
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77 /* TODO
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78 * split out the read file from common/listutil.c and use that. */
44
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79 int fd = -1;
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80 struct stat fileStat;
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81 int rc = 0;
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82 ssize_t bRead = 0;
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83 int retval = -1;
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84
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85 memset(&fileStat, 0, sizeof(fileStat));
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86
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87 fd = open(fileName, O_RDONLY);
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88 if (fd == -1) {
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89 retval = RAF_UNREADABLE;
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90 goto cleanup;
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91 }
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92
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93 rc = fstat(fd, &fileStat);
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94 if (rc < 0) {
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95 retval = RAF_STATFAILED;
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96 goto cleanup;
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97 }
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98
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99 // Check the size of the file
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100 if (!fileStat.st_size) {
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101 retval = RAF_STATFAILED;
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102 goto cleanup;
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103 }
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104
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105 if (fileStat.st_size > maxSize &&
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106 fileStat.st_size > 0) {
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107 retval = RAF_TOOLARGE;
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108 goto cleanup;
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109 }
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110
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111 *size = (size_t) fileStat.st_size;
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112
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113 *data = (char*) malloc(*size);
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114
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115 if (*data == NULL) {
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116 retval = RAF_OUTOFCORE;
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117 goto cleanup;
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118 }
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119
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120 bRead = read(fd, *data, *size);
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121
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122 if (bRead < 0 || (size_t) bRead != *size) {
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123 if (bRead == -1) {
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124 printf("Error: %s \n", strerror(errno));
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125 }
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126 retval = RAF_UNKNOWN;
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127 *size = 0;
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128 if (*data) {
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129 free(*data);
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130 *data = NULL;
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131 }
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132 goto cleanup;
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133 }
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134
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135 cleanup:
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136
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137 if (fd && fd != -1) {
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138 close(fd);
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139 fd = -1;
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140 }
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141
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142 return retval;
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143 }
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144
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145
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146 #ifndef _WIN32
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147
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148 #define INI_LOCATIONS { \
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149 "/.mozilla/firefox/profiles.ini", \
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150 "/.mozilla/thunderbird/profiles.ini", \
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151 NULL }
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152
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153 /**
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154 * @brief Get a list of all mozilla profile directories for this user
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155 *
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156 * Read the profiles.ini and extract all profile paths from that.
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157 *
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158 * @return NULL terminated array of strings containing containing the
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159 * absolute path of the profile directories. The array needs to
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160 * be freed by the caller.
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161 */
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162 char **getProfilePaths() {
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163 char *homedir = NULL,
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164 **retval = NULL;
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165 const char* const iniLocations[] = INI_LOCATIONS;
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166 int i = 0;
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167
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168 homedir = getenv ("HOME");
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169
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170 if (!homedir) {
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171 printf ("Could not get HOME\n");
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172 return NULL;
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173 }
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174
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175 for (i = 0; iniLocations[i] != NULL; i++) {
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176 char *candidate[MAX_PATH_LEN],
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177 *fileContent = NULL;
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178 const size_t needed = strnlen (homedir, MAX_PATH_LEN) +
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179 strnlen (iniLocations[i], MAX_PATH_LEN);
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180 fileSize = 0;
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181 int err = 0;
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182
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183 memset (candidate, 0, MAX_PATH_LEN);
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184
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185 /* Verify that addition of strlen did not overflow and
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186 * that the buffer is large enough */
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187 if (needed < strnlen (homedir, MAX_PATH_LEN_LEN) || needed >= MAX_PATH - 1) {
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188 printf ("Error invalid HOME environment variable");
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189 return NULL;
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190 }
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191
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192 strncpy (candidate, homedir, MAX_PATH_LEN);
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193 /* Environment might have been modified */
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194 if (candidate[MAX_PATH_LEN - 1] != '\0') {
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195 printf ("Error invalid HOME");
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196 return NULL;
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197 }
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198 strncat (candidate, iniLocations[i], MAX_PATH_LEN - strnlen(candidate,
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199 MAX_PATH_LEN) - 1);
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200
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201 rc = readFile (candidate, &fileContent, &fileSize, MAX_FILESIZE);
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202
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203 if (err) {
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204 printf ("Failed to read file.\n");
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205 continue;
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206 }
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207 parseIni (fileContent, &retval);
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208 }
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209 }
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210 #else /* _WIN32 */
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211 char **getProfilePaths() {
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212 return NULL;
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213 }
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214 #endif
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215
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216 int main(int argc, char *argv) {
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217 }
http://wald.intevation.org/projects/trustbridge/