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| author | Tobias Stoeckmann <tobias@stoeckmann.org> | 2024-01-14 00:01:25 +0100 |
|---|---|---|
| committer | Dmitry V. Levin <ldv@strace.io> | 2024-01-14 15:08:02 +0000 |
| commit | 8328672289a4a275a9f78781bfb5118ba5a8873e (patch) | |
| tree | 4ccb58115f89dd961ca49bc2feef4e6c74155dcf | |
| parent | 4130bc323f9ce99a97aa4566e170725415556060 (diff) | |
| download | pam-8328672289a4a275a9f78781bfb5118ba5a8873e.tar.gz pam-8328672289a4a275a9f78781bfb5118ba5a8873e.tar.bz2 pam-8328672289a4a275a9f78781bfb5118ba5a8873e.zip | |
pam_succeed_if: empty strings are no number
If an empty string is encountered, do not treat it as 0. Instead,
return PAM_SERVICE_ERR as specified in comment.
Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
| -rw-r--r-- | modules/pam_succeed_if/pam_succeed_if.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/modules/pam_succeed_if/pam_succeed_if.c b/modules/pam_succeed_if/pam_succeed_if.c index 522fc5cf..05be13da 100644 --- a/modules/pam_succeed_if/pam_succeed_if.c +++ b/modules/pam_succeed_if/pam_succeed_if.c @@ -70,13 +70,13 @@ evaluate_num(const pam_handle_t *pamh, const char *left, errno = 0; l = strtoll(left, &p, 0); - if ((p == NULL) || (*p != '\0') || errno) { + if ((p == NULL) || (*p != '\0') || (p == left) || errno) { pam_syslog(pamh, LOG_INFO, "\"%s\" is not a number", left); ret = PAM_SERVICE_ERR; } r = strtoll(right, &p, 0); - if ((p == NULL) || (*p != '\0') || errno) { + if ((p == NULL) || (*p != '\0') || (p == right) || errno) { pam_syslog(pamh, LOG_INFO, "\"%s\" is not a number", right); ret = PAM_SERVICE_ERR; } |