From: Nick Porter <nick@portercomputing.co.uk>
Date: Tue, 13 Apr 2021 10:48:04 +0000 (+0100)
Subject: Initialise pointers to CONF_SECTION for sections not present in config
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ca25988bcf43316bccefc780d68fa7f1b53c91c7;p=thirdparty%2Ffreeradius-server.git

Initialise pointers to CONF_SECTION for sections not present in config

Without this, processing sections with no config such as a "send Offer"
seg fault when trying to look up compiled CONF_SECTION
---

diff --git a/src/lib/server/virtual_servers.c b/src/lib/server/virtual_servers.c
index d3c9b4e4568..fe71807841f 100644
--- a/src/lib/server/virtual_servers.c
+++ b/src/lib/server/virtual_servers.c
@@ -1508,6 +1508,12 @@ int virtual_server_compile_sections(CONF_SECTION *server, virtual_server_compile
 			if (!subcs) {
 				DEBUG3("Warning: Skipping %s %s { ... } as it was not found.",
 				       list[i].name, list[i].name2);
+				/*
+				 *	Initialise CONF_SECTION pointer for missing section
+				 */
+				if ((uctx) && (list[i].offset > 0)) {
+					*(CONF_SECTION **) (((uint8_t *) uctx) + list[i].offset) = NULL;
+				}
 				continue;
 			}