* src/chage.c: Ignore the return value of pam_end() before exiting.
* src/chage.c: Ignore return values of strftime(), snprintf(), puts(), printf(), and fputs(). * src/chage.c: Check the return value of asctime().
This commit is contained in:
nekral-guest
parent
95c78ce92b
commit
7ac0323c7b
@ -1,3 +1,10 @@
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2008-07-12 Nicolas François <nicolas.francois@centraliens.net>
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* src/chage.c: Ignore the return value of pam_end() before exiting.
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* src/chage.c: Ignore return values of strftime(), snprintf(),
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puts(), printf(), and fputs().
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* src/chage.c: Check the return value of asctime().
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2008-07-12 Nicolas François <nicolas.francois@centraliens.net>
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* lib/gshadow.c: Avoid assignments in comparison.
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73
src/chage.c
73
src/chage.c
@ -130,7 +130,7 @@ static void fail_exit (int code)
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* caller.
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* We always end the pam transaction with PAM_SUCCESS here.
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*/
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pam_end (pamh, PAM_SUCCESS);
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(void) pam_end (pamh, PAM_SUCCESS);
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}
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#endif
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@ -180,9 +180,9 @@ static void date_to_str (char *buf, size_t maxsize, time_t date)
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tp = gmtime (&date);
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#ifdef HAVE_STRFTIME
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strftime (buf, maxsize, "%Y-%m-%d", tp);
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(void) strftime (buf, maxsize, "%Y-%m-%d", tp);
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#else
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snprintf (buf, maxsize, "%04d-%02d-%02d",
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(void) snprintf (buf, maxsize, "%04d-%02d-%02d",
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tp->tm_year + 1900, tp->tm_mon + 1, tp->tm_mday);
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#endif /* HAVE_STRFTIME */
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}
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@ -201,13 +201,13 @@ static int new_fields (void)
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char buf[200];
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char *cp;
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puts (_("Enter the new value, or press ENTER for the default"));
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puts ("");
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(void) puts (_("Enter the new value, or press ENTER for the default"));
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(void) puts ("");
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snprintf (buf, sizeof buf, "%ld", mindays);
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change_field (buf, sizeof buf, _("Minimum Password Age"));
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mindays = strtol (buf, &cp, 10);
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if ( ((mindays == 0) && ('\0' != *cp))
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if ( ((0 == mindays) && ('\0' != *cp))
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|| (mindays < -1)) {
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return 0;
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}
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@ -215,7 +215,7 @@ static int new_fields (void)
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snprintf (buf, sizeof buf, "%ld", maxdays);
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change_field (buf, sizeof buf, _("Maximum Password Age"));
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maxdays = strtol (buf, &cp, 10);
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if ( ((maxdays == 0) && ('\0' != *cp))
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if ( ((0 == maxdays) && ('\0' != *cp))
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|| (maxdays < -1)) {
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return 0;
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}
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@ -273,15 +273,25 @@ static void print_date (time_t date)
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char buf[80];
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tp = gmtime (&date);
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strftime (buf, sizeof buf, "%b %d, %Y", tp);
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puts (buf);
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if (NULL == tp) {
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(void) printf ("time_t: %ul\n", date);
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} else {
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(void) strftime (buf, sizeof buf, "%b %d, %Y", tp);
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(void) puts (buf);
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}
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#else
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struct tm *tp;
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char *cp;
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char *cp = NULL;
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tp = gmtime (&date);
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if (NULL != tp) {
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cp = asctime (tp);
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printf ("%6.6s, %4.4s\n", cp + 4, cp + 20);
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}
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if (NULL != cp) {
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(void) printf ("%6.6s, %4.4s\n", cp + 4, cp + 20);
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} else {
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(void) printf ("time_t: %ul\n", date);
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}
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#endif
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}
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@ -301,11 +311,11 @@ static void list_fields (void)
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* The "last change" date is either "never" or the date the password
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* was last modified. The date is the number of days since 1/1/1970.
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*/
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fputs (_("Last password change\t\t\t\t\t: "), stdout);
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(void) fputs (_("Last password change\t\t\t\t\t: "), stdout);
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if (lastday < 0) {
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puts (_("never"));
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(void) puts (_("never"));
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} else if (lastday == 0) {
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puts (_("password must be changed"));
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(void) puts (_("password must be changed"));
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} else {
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changed = lastday * SCALE;
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print_date ((time_t) changed);
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@ -315,10 +325,10 @@ static void list_fields (void)
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* The password expiration date is determined from the last change
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* date plus the number of days the password is valid for.
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*/
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fputs (_("Password expires\t\t\t\t\t: "), stdout);
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(void) fputs (_("Password expires\t\t\t\t\t: "), stdout);
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if ((lastday <= 0) || (maxdays >= (10000 * (DAY / SCALE)))
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|| (maxdays < 0)) {
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puts (_("never"));
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(void) puts (_("never"));
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} else {
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expires = changed + maxdays * SCALE;
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print_date ((time_t) expires);
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@ -330,10 +340,10 @@ static void list_fields (void)
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* number of inactive days is added. The resulting date is when the
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* active will be disabled.
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*/
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fputs (_("Password inactive\t\t\t\t\t: "), stdout);
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(void) fputs (_("Password inactive\t\t\t\t\t: "), stdout);
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if ((lastday <= 0) || (inactdays < 0) ||
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(maxdays >= (10000 * (DAY / SCALE))) || (maxdays < 0)) {
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puts (_("never"));
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(void) puts (_("never"));
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} else {
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expires = changed + (maxdays + inactdays) * SCALE;
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print_date ((time_t) expires);
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@ -343,9 +353,9 @@ static void list_fields (void)
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* The account will expire on the given date regardless of the
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* password expiring or not.
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*/
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fputs (_("Account expires\t\t\t\t\t\t: "), stdout);
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(void) fputs (_("Account expires\t\t\t\t\t\t: "), stdout);
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if (expdays < 0) {
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puts (_("never"));
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(void) puts (_("never"));
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} else {
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expires = expdays * SCALE;
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print_date ((time_t) expires);
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@ -500,29 +510,29 @@ static void check_perms (void)
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retval = PAM_SUCCESS;
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pampw = getpwuid (getuid ()); /* local, no need for xgetpwuid */
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if (pampw == NULL) {
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if (NULL == pampw) {
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retval = PAM_USER_UNKNOWN;
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}
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if (retval == PAM_SUCCESS) {
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if (PAM_SUCCESS == retval) {
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retval = pam_start ("chage", pampw->pw_name, &conv, &pamh);
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}
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if (retval == PAM_SUCCESS) {
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if (PAM_SUCCESS == retval) {
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retval = pam_authenticate (pamh, 0);
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if (retval != PAM_SUCCESS) {
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pam_end (pamh, retval);
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if (PAM_SUCCESS != retval) {
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(void) pam_end (pamh, retval);
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}
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}
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if (retval == PAM_SUCCESS) {
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if (PAM_SUCCESS == retval) {
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retval = pam_acct_mgmt (pamh, 0);
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if (retval != PAM_SUCCESS) {
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pam_end (pamh, retval);
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if (PAM_SUCCESS != retval) {
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(void) pam_end (pamh, retval);
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}
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}
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if (retval != PAM_SUCCESS) {
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if (PAM_SUCCESS != retval) {
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fprintf (stderr, _("%s: PAM authentication failed\n"), Prog);
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pamh = NULL;
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fail_exit (E_NOPERM);
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@ -789,7 +799,8 @@ int main (int argc, char **argv)
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open_files (lflg);
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/* Drop privileges */
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if (lflg && (setregid (rgid, rgid) || setreuid (ruid, ruid))) {
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if (lflg && ( (setregid (rgid, rgid) != 0)
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|| (setreuid (ruid, ruid) != 0))) {
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fprintf (stderr, _("%s: failed to drop privileges (%s)\n"),
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Prog, strerror (errno));
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fail_exit (E_NOPERM);
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@ -888,7 +899,7 @@ int main (int argc, char **argv)
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SYSLOG ((LOG_INFO, "changed password expiry for %s", user_name));
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#ifdef USE_PAM
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pam_end (pamh, PAM_SUCCESS);
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(void) pam_end (pamh, PAM_SUCCESS);
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#endif /* USE_PAM */
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closelog ();
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