[Asterisk-code-review] res pjsip.c: Fix endpoint identifier registration name search. (asterisk[15])

[Richard Mudgett]

Richard Mudgett has uploaded this change for review. ( https://gerrit.asterisk.org/7842


Change subject: res_pjsip.c: Fix endpoint identifier registration name search.
......................................................................

res_pjsip.c: Fix endpoint identifier registration name search.

If an endpoint identifier name in the endpoint_identifier_order list is a
prefix to the identifier we are registering, we could install it in the
wrong position of the list.

Assuming
endpoint_identifier_order=username,ip,anonymous

then registering the "ip_only" identifier would put the identifier in the
wrong position of the priority list.

* Fix incorrect strncmp() string prefix matching.

Change-Id: Ib8819ec4b811da8a27419fd93528c54d34f01484
---
M res/res_pjsip.c
1 file changed, 4 insertions(+), 3 deletions(-)



  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/42/7842/1

diff --git a/res/res_pjsip.c b/res/res_pjsip.c
index 972ea0b..7ee15ac 100644
--- a/res/res_pjsip.c
+++ b/res/res_pjsip.c
@@ -2622,13 +2622,13 @@
 
 	id_list_item = ast_calloc(1, sizeof(*id_list_item));
 	if (!id_list_item) {
-		ast_log(LOG_ERROR, "Unabled to add endpoint identifier. Out of memory.\n");
+		ast_log(LOG_ERROR, "Unable to add endpoint identifier. Out of memory.\n");
 		return -1;
 	}
 	id_list_item->identifier = identifier;
 	id_list_item->name = name;
 
-	ast_debug(1, "Register endpoint identifier %s (%p)\n", name, identifier);
+	ast_debug(1, "Register endpoint identifier %s(%p)\n", name ?: "", identifier);
 
 	if (ast_strlen_zero(name)) {
 		/* if an identifier has no name then place in front */
@@ -2651,7 +2651,8 @@
 	id_list_item->priority = 0;
 	while ((current = strchr(current, ','))) {
 		++id_list_item->priority;
-		if (!strncmp(prev, name, current - prev)) {
+		if (!strncmp(prev, name, current - prev)
+			&& strlen(name) == current - prev) {
 			break;
 		}
 		prev = ++current;

-- 
To view, visit https://gerrit.asterisk.org/7842
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Gerrit-Project: asterisk
Gerrit-Branch: 15
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ib8819ec4b811da8a27419fd93528c54d34f01484
Gerrit-Change-Number: 7842
Gerrit-PatchSet: 1
Gerrit-Owner: Richard Mudgett <rmudgett at digium.com>
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