diff options
Diffstat (limited to 'libshouldbeinlibc/idvec-verify.c')
| -rw-r--r-- | libshouldbeinlibc/idvec-verify.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libshouldbeinlibc/idvec-verify.c b/libshouldbeinlibc/idvec-verify.c index 4d9b6dbe..4019a04b 100644 --- a/libshouldbeinlibc/idvec-verify.c +++ b/libshouldbeinlibc/idvec-verify.c @@ -107,7 +107,8 @@ verify_passwd (const char *password, return pw->pw_passwd; } - if (getpwuid_r (wheel_uid, &_pw, lookup_buf, sizeof lookup_buf, &pw)) + if (getpwuid_r (wheel_uid, &_pw, lookup_buf, sizeof lookup_buf, &pw) + || ! pw) return errno ?: EINVAL; sys_encrypted = check_shadow (pw); @@ -266,7 +267,7 @@ verify_id (uid_t id, int is_group, int multiple, { struct group _gr, *gr; if (getgrgid_r (id, &_gr, id_lookup_buf, sizeof id_lookup_buf, &gr) - == 0) + == 0 && gr) { if (!gr->gr_passwd || !*gr->gr_passwd) return (*verify_fn) ("", id, 1, gr, verify_hook); @@ -278,7 +279,7 @@ verify_id (uid_t id, int is_group, int multiple, { struct passwd _pw, *pw; if (getpwuid_r (id, &_pw, id_lookup_buf, sizeof id_lookup_buf, &pw) - == 0) + == 0 && pw) { if (strcmp (pw->pw_passwd, SHADOW_PASSWORD_STRING) == 0) { |