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/*
* Copyright (C) 2013 Tox project All Rights Reserved.
*
* This file is part of Tox.
*
* Tox is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Tox is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Tox. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#ifdef WIN32
#include <shlobj.h>
#include <direct.h>
#else /* WIN32 */
#include <unistd.h>
#include <pwd.h>
#endif /* WIN32 */
#include "configdir.h"
/**
* @brief Get the users config directory.
*
* This is without a trailing slash.
*
* @return The users config dir or NULL on error.
*/
char *get_user_config_dir(void)
{
char *user_config_dir;
#ifdef WIN32
char appdata[MAX_PATH];
BOOL ok;
ok = SHGetSpecialFolderPathA(NULL, appdata, CSIDL_PROFILE, TRUE);
if (!ok) {
return NULL;
}
user_config_dir = strdup(appdata);
return user_config_dir;
#else /* WIN32 */
#ifndef NSS_BUFLEN_PASSWD
#define NSS_BUFLEN_PASSWD 4096
#endif /* NSS_BUFLEN_PASSWD */
struct passwd pwd;
struct passwd *pwdbuf;
const char *home;
char buf[NSS_BUFLEN_PASSWD];
size_t len;
int rc;
rc = getpwuid_r(getuid(), &pwd, buf, NSS_BUFLEN_PASSWD, &pwdbuf);
if (rc == 0) {
home = pwd.pw_dir;
} else {
home = getenv("HOME");
if (home == NULL) {
return NULL;
}
/* env variables can be tainted */
snprintf(buf, sizeof(buf), "%s", home);
home = buf;
}
# if defined(__APPLE__)
len = strlen(home) + strlen("/Library/Application Support") + 1;
user_config_dir = malloc(len);
if (user_config_dir == NULL) {
return NULL;
}
snprintf(user_config_dir, len, "%s/Library/Application Support", home);
# else /* __APPLE__ */
len = strlen(home) + strlen("/.config") + 1;
user_config_dir = malloc(len);
if (user_config_dir == NULL) {
return NULL;
}
snprintf(user_config_dir, len, "%s/.config", home);
# endif /* __APPLE__ */
return user_config_dir;
#undef NSS_BUFLEN_PASSWD
#endif /* WIN32 */
}
/*
* Creates the config directory.
*/
int create_user_config_dir(char *path)
{
int mkdir_err;
#ifdef WIN32
char *fullpath = malloc(strlen(path) + strlen(CONFIGDIR) + 1);
strcpy(fullpath, path);
strcat(fullpath, CONFIGDIR);
mkdir_err = _mkdir(fullpath);
struct __stat64 buf;
if (mkdir_err && (errno != EEXIST || _wstat64(fullpath, &buf) || !S_ISDIR(buf.st_mode))) {
free(fullpath);
return -1;
}
#else
mkdir_err = mkdir(path, 0700);
struct stat buf;
if (mkdir_err && (errno != EEXIST || stat(path, &buf) || !S_ISDIR(buf.st_mode))) {
return -1;
}
char *fullpath = malloc(strlen(path) + strlen(CONFIGDIR) + 1);
strcpy(fullpath, path);
strcat(fullpath, CONFIGDIR);
mkdir_err = mkdir(fullpath, 0700);
if (mkdir_err && (errno != EEXIST || stat(fullpath, &buf) || !S_ISDIR(buf.st_mode))) {
free(fullpath);
return -1;
}
#endif
free(fullpath);
return 0;
}
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