sssd/0039-IFP-Fix-of-limit-0-unlimited-result.patch

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2017-09-01 18:52:07 +00:00
From 3c31ce392ad9da4ac7c3d8190db89efcdbbc8b85 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20=C4=8Cech?= <pcech@redhat.com>
Date: Tue, 28 Mar 2017 12:07:55 +0200
Subject: [PATCH 39/93] IFP: Fix of limit = 0 (unlimited result)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
If we set limit to 0 it means that result is unlimited. Internally we
restrict number of result by allocation of result array.
In unlimited case there was a bug and zero array was allocated.
This fix allocates neccessary array when we know real result size.
Resolves:
https://pagure.io/SSSD/sssd/issue/3306
Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Pavel Březina <pbrezina@redhat.com>
---
src/responder/ifp/ifpsrv_util.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/responder/ifp/ifpsrv_util.c b/src/responder/ifp/ifpsrv_util.c
index 643881515fb4805ae93ba56c3bca9d1da7796319..33a49f4b4653af3b2e4e8bc01f3ec2397095e880 100644
--- a/src/responder/ifp/ifpsrv_util.c
+++ b/src/responder/ifp/ifpsrv_util.c
@@ -386,6 +386,15 @@ size_t ifp_list_ctx_remaining_capacity(struct ifp_list_ctx *list_ctx,
{
size_t capacity = list_ctx->limit - list_ctx->path_count;
+ if (list_ctx->limit == 0) {
+ list_ctx->paths = talloc_zero_array(list_ctx, const char *, entries);
+ if (list_ctx->paths == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, "talloc_zero_array() failed\n");
+ return 0;
+ }
+ return entries;
+ }
+
if (capacity < entries) {
DEBUG(SSSDBG_MINOR_FAILURE,
"IFP list request has limit of %"PRIu32" entries but back end "
--
2.14.1