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37 lines
1.5 KiB
Diff
37 lines
1.5 KiB
Diff
From 6984b34fe496d696e37f003dbf57a5ca1b5899ea Mon Sep 17 00:00:00 2001
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From: Mark Reynolds <mreynolds@redhat.com>
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Date: Mon, 20 May 2019 15:06:54 -0400
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Subject: [PATCH] Ticket 50396 - Crash in PAM plugin when user does not exist
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Description: pam passthru & addn plugin causes crash in bind when
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user does not exist. Need to make sure we don't
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dereference NULL pointer.
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https://pagure.io/389-ds-base/issue/50396
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Reviewed by: mreynolds & tbordaz
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(cherry picked from commit 0935b8af6c8925c7a79a0a22103142ef5f7c5960)
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---
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ldap/servers/plugins/pam_passthru/pam_ptpreop.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/ldap/servers/plugins/pam_passthru/pam_ptpreop.c b/ldap/servers/plugins/pam_passthru/pam_ptpreop.c
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index de9448b90..b62c3c6b6 100644
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--- a/ldap/servers/plugins/pam_passthru/pam_ptpreop.c
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+++ b/ldap/servers/plugins/pam_passthru/pam_ptpreop.c
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@@ -436,8 +436,9 @@ pam_passthru_bindpreop(Slapi_PBlock *pb)
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* We only handle simple bind requests that include non-NULL binddn and
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* credentials. Let the Directory Server itself handle everything else.
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*/
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- if ((method != LDAP_AUTH_SIMPLE) || (*normbinddn == '\0') ||
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- (creds->bv_len == 0)) {
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+ if (method != LDAP_AUTH_SIMPLE || normbinddn == NULL ||
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+ *normbinddn == '\0' || creds->bv_len == 0)
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+ {
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slapi_log_err(SLAPI_LOG_PLUGIN, PAM_PASSTHRU_PLUGIN_SUBSYSTEM,
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"pam_passthru_bindpreop - Not handled (not simple bind or NULL dn/credentials)\n");
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return retcode;
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--
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2.21.0
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