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| author | Christian Göttsche <cgzones@googlemail.com> | 2024-01-16 15:12:58 +0100 |
|---|---|---|
| committer | Dmitry V. Levin <ldv@strace.io> | 2024-01-21 08:00:00 +0000 |
| commit | 0e80c788850c4a699e4bfb3ab7b44e354b8fdfd7 (patch) | |
| tree | 854b6c8e6b0c3c5e99d604efb5b1e381b5fd915a /modules/pam_userdb | |
| parent | 63476f211a8c02bcd24786a1373012d1831774ec (diff) | |
| download | pam-0e80c788850c4a699e4bfb3ab7b44e354b8fdfd7.tar.gz pam-0e80c788850c4a699e4bfb3ab7b44e354b8fdfd7.tar.bz2 pam-0e80c788850c4a699e4bfb3ab7b44e354b8fdfd7.zip | |
modules: zero out crypt_r(3) data before usage
The manual page of crypt_r(3) recommends to zero the entire data object.
Diffstat (limited to 'modules/pam_userdb')
| -rw-r--r-- | modules/pam_userdb/pam_userdb.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/modules/pam_userdb/pam_userdb.c b/modules/pam_userdb/pam_userdb.c index 0b5e5965..7e1407f4 100644 --- a/modules/pam_userdb/pam_userdb.c +++ b/modules/pam_userdb/pam_userdb.c @@ -287,11 +287,10 @@ user_lookup (pam_handle_t *pamh, const char *database, const char *cryptmode, } else { #ifdef HAVE_CRYPT_R struct crypt_data *cdata = NULL; - cdata = malloc(sizeof(*cdata)); + cdata = calloc(1, sizeof(*cdata)); if (cdata == NULL) { pam_syslog(pamh, LOG_CRIT, "malloc failed: struct crypt_data"); } else { - cdata->initialized = 0; cryptpw = crypt_r(pass, pwhash, cdata); } #else |