Setup weiter ausgebaut.

[people/teissler/ipfire-2.x.git] / src / install+setup / setup / timezone.c

/* SmoothWall setup program.\r
 *\r
 * This program is distributed under the terms of the GNU General Public\r
 * Licence.  See the file COPYING for details.\r
 *\r
 * (c) Lawrence Manning, 2001\r
 * Stuff for setting the timezone.\r
 * \r
 * $Id: timezone.c,v 1.4.2.1 2004/04/14 22:05:41 gespinasse Exp $\r
 * \r
 */\r
\r
#include "setup.h"\r
 \r
extern FILE *flog;\r
extern char *mylog;\r
\r
extern char **ctr;\r
\r
extern int automode;\r
\r
#define MAX_FILENAMES 5000\r
#define ZONEFILES "/usr/share/zoneinfo/posix"\r
\r
static int filenamecount;\r
static char *filenames[MAX_FILENAMES];\r
static char *displaynames[MAX_FILENAMES];\r
\r
static int process(char *prefix, char *path);\r
static int cmp(const void *s1, const void *s2);\r
\r
int handletimezone(void)\r
{\r
	int c;\r
	int choice;\r
	char *temp;\r
	struct keyvalue *kv = initkeyvalues();	\r
	int rc;\r
	int result;\r
	char timezone[STRING_SIZE];\r
\r
	filenamecount = 0;	\r
\r
	process(ZONEFILES, "");\r
	filenames[filenamecount] = NULL;\r
	qsort(filenames, filenamecount, sizeof(char *), cmp);\r
	\r
	for (c = 0; filenames[c]; c++)\r
	{\r
		displaynames[c] = malloc(STRING_SIZE);\r
		if ((temp = strstr(filenames[c], ZONEFILES)))\r
			strcpy(displaynames[c], temp + strlen(ZONEFILES) + 1);\r
		else\r
			strcpy(displaynames[c], filenames[c]);\r
	}\r
	displaynames[c] = NULL;\r
	\r
	if (!(readkeyvalues(kv, CONFIG_ROOT "/main/settings")))\r
	{\r
		freekeyvalues(kv);\r
		errorbox(ctr[TR_UNABLE_TO_OPEN_SETTINGS_FILE]);\r
		return 0;\r
	}	\r
	\r
	strcpy(timezone, ZONEFILES "/Europe/Berlin");\r
	findkey(kv, "TIMEZONE", timezone);\r
	\r
	choice = 0;\r
	for (c = 0; filenames[c]; c++)\r
	{\r
		if (strcmp(timezone, filenames[c]) == 0)\r
			choice = c;\r
	}\r
	\r
	rc = newtWinMenu(ctr[TR_TIMEZONE], ctr[TR_TIMEZONE_LONG], 50, 5, 5, 6, displaynames, &choice,\r
		ctr[TR_OK], ctr[TR_CANCEL], NULL);\r
\r
	strcpy(timezone, filenames[choice]);\r
	\r
	if (rc != 2)\r
	{\r
		replacekeyvalue(kv, "TIMEZONE", timezone);\r
		writekeyvalues(kv, CONFIG_ROOT "/main/settings");\r
		unlink("/etc/localtime");\r
		link(timezone, "/etc/localtime");\r
		result = 1;\r
	}\r
	else\r
		result = 0;	\r
	\r
	for (c = 0; filenames[c]; c++)\r
	{\r
		free(filenames[c]);\r
		free(displaynames[c]);\r
	}\r
	freekeyvalues(kv);	\r
	\r
	return result;\r
}\r
\r
static int process(char *prefix, char *path)\r
{\r
	DIR *dir;\r
	struct dirent *de;\r
	char newpath[PATH_MAX];\r
	\r
	snprintf(newpath, PATH_MAX, "%s%s", prefix, path);\r
	\r
	if (!(dir = opendir(newpath)))\r
	{\r
		if (filenamecount > MAX_FILENAMES)\r
			return 1;\r
		\r
		filenames[filenamecount] = (char *) strdup(newpath);\r
		filenamecount++;\r
		return 0;\r
	}\r
			\r
	while ((de = readdir(dir)))\r
	{\r
		if (de->d_name[0] == '.') continue;\r
		snprintf(newpath, PATH_MAX, "%s/%s", path, de->d_name);\r
		process(prefix, newpath);\r
	}\r
	closedir(dir);\r
	\r
	return 1;\r
}\r
\r
/* Small wrapper for use with qsort(). */		\r
static int cmp(const void *s1, const void *s2)\r
{\r
	return (strcmp(* (char **) s1, * (char **) s2));\r
}\r