forked from pool/pam_kwallet
31 lines
936 B
Diff
31 lines
936 B
Diff
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From 09659874cc6cc3ab21314dc3b24a2db1bc77c46c Mon Sep 17 00:00:00 2001
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From: Fabian Vogt <fabian@ritter-vogt.de>
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Date: Mon, 13 Mar 2023 10:09:10 +0100
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Subject: [PATCH 2/4] Don't do anything if the password is empty
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If for some reason the password is empty (bug or intentionally configured),
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avoid creating a possibly insecure hash.
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---
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pam_kwallet.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/pam_kwallet.c b/pam_kwallet.c
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index 31e93aa..2cd3758 100644
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--- a/pam_kwallet.c
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+++ b/pam_kwallet.c
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@@ -294,6 +294,11 @@ PAM_EXTERN int pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc, cons
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return PAM_IGNORE;
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}
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+ if (password[0] == '\0') {
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+ pam_syslog(pamh, LOG_NOTICE, "%s: Empty or missing password, doing nothing", logPrefix);
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+ return PAM_IGNORE;
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+ }
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+
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char *key = strdup(password);
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result = pam_set_data(pamh, kwalletPamDataKey, key, cleanup_free);
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--
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2.39.2
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