diff --git a/man/chage.1.xml b/man/chage.1.xml
index 6ec6e840..1e4cc539 100644
--- a/man/chage.1.xml
+++ b/man/chage.1.xml
@@ -131,6 +131,12 @@
Display help message and exit.
+
+ ,
+
+ When printing dates, use YYYY-MM-DD format.
+
+
, INACTIVE
diff --git a/src/chage.c b/src/chage.c
index 05d2349b..23622e24 100644
--- a/src/chage.c
+++ b/src/chage.c
@@ -70,6 +70,7 @@ const char *Prog;
static bool
dflg = false, /* set last password change date */
Eflg = false, /* set account expiration date */
+ iflg = false, /* set iso8601 date formatting */
Iflg = false, /* set password inactive after expiration */
lflg = false, /* show account aging information */
mflg = false, /* set minimum number of days before password change */
@@ -149,6 +150,7 @@ static /*@noreturn@*/void usage (int status)
(void) fputs (_(" -d, --lastday LAST_DAY set date of last password change to LAST_DAY\n"), usageout);
(void) fputs (_(" -E, --expiredate EXPIRE_DATE set account expiration date to EXPIRE_DATE\n"), usageout);
(void) fputs (_(" -h, --help display this help message and exit\n"), usageout);
+ (void) fputs (_(" -i, --iso8601 use YYYY-MM-DD when printing dates\n"), usageout);
(void) fputs (_(" -I, --inactive INACTIVE set password inactive after expiration\n"
" to INACTIVE\n"), usageout);
(void) fputs (_(" -l, --list show account aging information\n"), usageout);
@@ -262,12 +264,20 @@ static void print_date (time_t date)
#ifdef HAVE_STRFTIME
struct tm *tp;
char buf[80];
+ char format[80];
+
+ if( iflg ) {
+ (void) snprintf (format, 80, "%%Y-%%m-%%d");
+ }
+ else {
+ (void) snprintf (format, 80, "%%b %%d, %%Y");
+ }
tp = gmtime (&date);
if (NULL == tp) {
(void) printf ("time_t: %lu\n", (unsigned long)date);
} else {
- (void) strftime (buf, sizeof buf, "%b %d, %Y", tp);
+ (void) strftime (buf, sizeof buf, format, tp);
(void) puts (buf);
}
#else
@@ -395,10 +405,11 @@ static void process_flags (int argc, char **argv)
{"maxdays", required_argument, NULL, 'M'},
{"root", required_argument, NULL, 'R'},
{"warndays", required_argument, NULL, 'W'},
+ {"iso8601", no_argument, NULL, 'i'},
{NULL, 0, NULL, '\0'}
};
- while ((c = getopt_long (argc, argv, "d:E:hI:lm:M:R:W:",
+ while ((c = getopt_long (argc, argv, "d:E:hiI:lm:M:R:W:",
long_options, NULL)) != -1) {
switch (c) {
case 'd':
@@ -424,6 +435,9 @@ static void process_flags (int argc, char **argv)
case 'h':
usage (E_SUCCESS);
/*@notreached@*/break;
+ case 'i':
+ iflg = true;
+ break;
case 'I':
Iflg = true;
if ( (getlong (optarg, &inactdays) == 0)