[PATCH 3/4] ssh-keygen: make verify-time argument parsing optional

[Fabian Stelzer]

Signed-off-by: Fabian Stelzer <fs at gigacodes.de>
---
 ssh-keygen.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/ssh-keygen.c b/ssh-keygen.c
index 9b912f0a..927a1d62 100644
--- a/ssh-keygen.c
+++ b/ssh-keygen.c
@@ -2680,11 +2680,13 @@ sig_process_opts(char * const *opts, size_t nopts, uint64_t *verify_timep,
 	size_t i;
 	time_t now;
 
-	*verify_timep = 0;
+	if (verify_timep != NULL)
+		*verify_timep = 0;
 	if (print_pubkey != NULL)
 		*print_pubkey = 0;
 	for (i = 0; i < nopts; i++) {
-		if (strncasecmp(opts[i], "verify-time=", 12) == 0) {
+		if (verify_timep &&
+			strncasecmp(opts[i], "verify-time=", 12) == 0) {
 			if (parse_absolute_time(opts[i] + 12,
 			    verify_timep) != 0 || *verify_timep == 0) {
 				error("Invalid \"verify-time\" option");
@@ -2698,7 +2700,7 @@ sig_process_opts(char * const *opts, size_t nopts, uint64_t *verify_timep,
 			return SSH_ERR_INVALID_ARGUMENT;
 		}
 	}
-	if (*verify_timep == 0) {
+	if (verify_timep && *verify_timep == 0) {
 		if ((now = time(NULL)) < 0) {
 			error("Time is before epoch");
 			return SSH_ERR_INVALID_ARGUMENT;
-- 
2.31.1