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Instead of having to know which timezone was picked last time, you

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now can run "tzsetup -r" which will reinstall the last choice. This
data is recorded in /var/db/zoneinfo.

MFC after:	 1 week
This commit is contained in:
Edwin Groothuis 2009-10-20 06:54:31 +00:00
parent 363b8ed74f
commit ada5f18a1b
2 changed files with 80 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
usr.sbin/tzsetup/tzsetup.8
View File

@ -31,7 +31,7 @@
.Nd set local timezone
.Sh SYNOPSIS
.Nm
.Op Fl ns
.Op Fl nrs
.Op Ar zoneinfo file
.Sh DESCRIPTION
The
@ -51,6 +51,9 @@ The following option is available:
.Bl -tag -offset indent -width Fl
.It Fl n
Do not create or copy files.
.It Fl r
Reinstall the zoneinfo file installed last time. The name is obtained from
.Pa /var/db/zoneinfo .
.It Fl s
Skip the initial question about adjusting the clock if not set to
.Tn UTC .
@ -106,6 +109,8 @@ mapping of
directory for zoneinfo files
.It Pa /usr/share/zoneinfo/zone.tab
mapping of timezone file to country and location
.It Pa /var/db/zoneinfo
saved name of the timezone file installed last.
.El
.Sh SEE ALSO
.Xr date 1 ,

89
usr.sbin/tzsetup/tzsetup.c
View File

@ -45,6 +45,7 @@ __FBSDID("$FreeBSD$");
#include <unistd.h>
#include <sys/fcntl.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/stat.h>
@ -52,9 +53,11 @@ __FBSDID("$FreeBSD$");
#define _PATH_ISO3166 "/usr/share/misc/iso3166"
#define _PATH_ZONEINFO "/usr/share/zoneinfo"
#define _PATH_LOCALTIME "/etc/localtime"
#define _PATH_DB "/var/db/zoneinfo"
#define _PATH_WALL_CMOS_CLOCK "/etc/wall_cmos_clock"
static int reallydoit = 1;
static int reinstall = 0;
static void usage(void);
static int continent_country_menu(dialogMenuItem *);
@ -495,13 +498,14 @@ set_zone_menu(dialogMenuItem *dmi)
}
static int
install_zone_file(const char *filename)
install_zone_file(const char *filename, int usedialog)
{
char buf[1024];
char title[64], prompt[64];
struct stat sb;
ssize_t len;
int fd1, fd2, copymode;
FILE *f;
if (lstat(_PATH_LOCALTIME, &sb) < 0) {
/* Nothing there yet... */
@ -519,7 +523,10 @@ install_zone_file(const char *filename)
snprintf(prompt, sizeof(prompt),
"Creating symbolic link " _PATH_LOCALTIME " to %s",
filename);
dialog_notify(prompt);
if (usedialog)
dialog_notify(prompt);
else
fprintf(stderr, "%s\n", prompt);
#endif
if (reallydoit) {
@ -530,7 +537,10 @@ install_zone_file(const char *filename)
snprintf(prompt, sizeof(prompt),
"Could not open %s: %s", filename,
strerror(errno));
dialog_mesgbox(title, prompt, 8, 72);
if (usedialog)
dialog_mesgbox(title, prompt, 8, 72);
else
fprintf(stderr, "%s\n", prompt);
return (DITEM_FAILURE | DITEM_RECREATE);
}
@ -542,7 +552,10 @@ install_zone_file(const char *filename)
snprintf(prompt, sizeof(prompt),
"Could not open " _PATH_LOCALTIME ": %s",
strerror(errno));
dialog_mesgbox(title, prompt, 8, 72);
if (usedialog)
dialog_mesgbox(title, prompt, 8, 72);
else
fprintf(stderr, "%s\n", prompt);
return (DITEM_FAILURE | DITEM_RECREATE);
}
@ -554,7 +567,10 @@ install_zone_file(const char *filename)
snprintf(prompt, sizeof(prompt),
"Error copying %s to " _PATH_LOCALTIME
": %s", filename, strerror(errno));
dialog_mesgbox(title, prompt, 8, 72);
if (usedialog)
dialog_mesgbox(title, prompt, 8, 72);
else
fprintf(stderr, "%s\n", prompt);
/* Better to leave none than a corrupt one. */
unlink(_PATH_LOCALTIME);
return (DITEM_FAILURE | DITEM_RECREATE);
@ -567,7 +583,10 @@ install_zone_file(const char *filename)
snprintf(prompt, sizeof(prompt),
"Cannot access %s: %s", filename,
strerror(errno));
dialog_mesgbox(title, prompt, 8, 72);
if (usedialog)
dialog_mesgbox(title, prompt, 8, 72);
else
fprintf(stderr, "%s\n", prompt);
return (DITEM_FAILURE | DITEM_RECREATE);
}
unlink(_PATH_LOCALTIME);
@ -577,7 +596,10 @@ install_zone_file(const char *filename)
"Cannot create symbolic link "
_PATH_LOCALTIME " to %s: %s", filename,
strerror(errno));
dialog_mesgbox(title, prompt, 8, 72);
if (usedialog)
dialog_mesgbox(title, prompt, 8, 72);
else
fprintf(stderr, "%s\n", prompt);
return (DITEM_FAILURE | DITEM_RECREATE);
}
}
@ -592,8 +614,18 @@ install_zone_file(const char *filename)
else
snprintf(prompt, sizeof(prompt), "Created symbolic link from "
_PATH_LOCALTIME " to %s", filename);
dialog_mesgbox(title, prompt, 8, 72);
if (usedialog)
dialog_mesgbox(title, prompt, 8, 72);
else
fprintf(stderr, "%s\n", prompt);
#endif
/* Save knowledge for later */
if ((f = fopen(_PATH_DB, "w")) != NULL) {
fprintf(f, "%s\n", filename + strlen(_PATH_ZONEINFO) + 1);
fclose(f);
}
return (DITEM_LEAVE_MENU);
}
@ -627,7 +659,7 @@ set_zone_multi(dialogMenuItem *dmi)
return (DITEM_FAILURE | DITEM_RECREATE);
asprintf(&fn, "%s/%s", _PATH_ZONEINFO, zp->filename);
rv = install_zone_file(fn);
rv = install_zone_file(fn, 1);
free(fn);
return (rv);
}
@ -643,7 +675,7 @@ set_zone_whole_country(dialogMenuItem *dmi)
return (DITEM_FAILURE | DITEM_RECREATE);
asprintf(&fn, "%s/%s", _PATH_ZONEINFO, cp->filename);
rv = install_zone_file(fn);
rv = install_zone_file(fn, 1);
free(fn);
return (rv);
}
@ -652,7 +684,7 @@ static void
usage(void)
{
fprintf(stderr, "usage: tzsetup [-ns]\n");
fprintf(stderr, "usage: tzsetup [-nrs] [zoneinfo file]\n");
exit(1);
}
@ -666,14 +698,17 @@ int
main(int argc, char **argv)
{
char title[64], prompt[128];
int c, fd, skiputc;
int c, fd, rv, skiputc;
skiputc = 0;
while ((c = getopt(argc, argv, "ns")) != -1) {
while ((c = getopt(argc, argv, "nrs")) != -1) {
switch(c) {
case 'n':
reallydoit = 0;
break;
case 'r':
reinstall = 1;
break;
case 's':
skiputc = 1;
break;
@ -693,6 +728,30 @@ main(int argc, char **argv)
sort_countries();
make_menus();
if (reinstall == 1) {
FILE *f;
char zonefile[MAXPATHLEN];
sprintf(zonefile, "%s/", _PATH_ZONEINFO);
if ((f = fopen(_PATH_DB, "r")) != NULL) {
if (fgets(zonefile + strlen(zonefile),
sizeof(zonefile) - strlen(zonefile), f) != NULL) {
zonefile[sizeof(zonefile) - 1] = 0;
if (strlen(zonefile) > 0) {
zonefile[strlen(zonefile) - 1] = 0;
rv = install_zone_file(zonefile, 0);
exit(rv & ~DITEM_LEAVE_MENU);
}
errx(1, "Error reading %s.\n", _PATH_DB);
}
fclose(f);
errx(1,
"Unable to determine earlier installed zoneinfo "
"file. Check %s", _PATH_DB);
}
errx(1, "Cannot open %s for reading. Does it exist?", _PATH_DB);
}
init_dialog();
if (skiputc == 0) {
snprintf(title, sizeof(title),
@ -724,10 +783,10 @@ main(int argc, char **argv)
snprintf(prompt, sizeof(prompt),
"\nUse the default `%s' zone?", argv[optind]);
if (!dialog_yesno(title, prompt, 7, 72)) {
install_zone_file(argv[optind]);
rv = install_zone_file(argv[optind], 1);
dialog_clear();
end_dialog();
return (0);
exit(rv & ~DITEM_LEAVE_MENU);
}
dialog_clear_norefresh();
}