[389-commits] [389-ds-base] 01/01: Ticket 49291 - slapi_search_internal_callback_pb may SIGSEV if related pblock has not operation set

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tbordaz pushed a commit to branch 389-ds-base-1.3.6
in repository 389-ds-base.

commit 1a57b1dd18c4777644b8fbf190fa9a626893e3df
Author: Thierry Bordaz <tbordaz@redhat.com>
Date: Wed Jun 14 18:36:55 2017 +0200

Ticket 49291 - slapi_search_internal_callback_pb may SIGSEV if related pblock has not operation set

Bug Description:
if slapi_search_internal_set_pb is called with an invalid (NULL) base, the pblock should not
be used to call send_ldap_result. If it is, the send_ldap_result trying to derefence the
operation pointer will crash

Fix Description:
Check that the operation is set before derefencing it

https://pagure.io/389-ds-base/issue/49291

Reviewed by: Mark Reynolds

Platforms tested: F23

Flag Day: no

Doc impact: no
---
ldap/servers/slapd/result.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/ldap/servers/slapd/result.c b/ldap/servers/slapd/result.c
index 90b8887..a16c8e1 100644
--- a/ldap/servers/slapd/result.c
+++ b/ldap/servers/slapd/result.c
@@ -351,6 +351,11 @@ send_ldap_result_ext(
slapi_pblock_get (pb, SLAPI_OPERATION, &operation);
slapi_pblock_get(pb, SLAPI_CONNECTION, &conn);

+ if (operation == NULL) {
+ slapi_log_err(SLAPI_LOG_ERR, "send_ldap_result_ext", "No operation found: slapi_search_internal_set_pb was incomplete (invalid 'base' ?)\n");
+ return;
+ }
+
if (operation->o_status == SLAPI_OP_STATUS_RESULT_SENT) {
return; /* result already sent */
}

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