PJSIP ACLs: Fix ACLs not loading on startup and apply/acl issues on contact

The biggest problem this patch fixes is that ACLs weren't previously being
loaded when the res_pjsip_acl module was loaded. Yikes. In addition, the
ACL options contact_permit and contact_acl were effectively interpreted as
contact_deny and this patch fixes that as well.

AST-1418 #close
Reported by: Thomas Thompson
Review: https://reviewboard.asterisk.org/r/4120/

ASTERISK-24531 #close
Reported by: Matt Jordan
Review: https://reviewboard.asterisk.org/r/4171/
........

Merged revisions 428333 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/13@428343 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_pjsip_acl.c

@@ -233,8 +233,9 @@ static int acl_handler(const struct aco_option *opt, struct ast_variable *var, v
 	struct ast_sip_acl *sip_acl = obj;
 	int error = 0;
 	int ignore;
-	if (!strncmp(var->name, "contact", 7)) {
-		ast_append_acl(var->name + 7, var->value, &sip_acl->contact_acl, &error, &ignore);
+
+	if (!strncmp(var->name, "contact_", 8)) {
+		ast_append_acl(var->name + 8, var->value, &sip_acl->contact_acl, &error, &ignore);
 	} else {
 		ast_append_acl(var->name, var->value, &sip_acl->acl, &error, &ignore);
 	}
@@ -287,6 +288,8 @@ static int load_module(void)
 	ast_sorcery_object_field_register_custom(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE, "contact_deny", "", acl_handler, NULL, NULL, 0, 0);
 	ast_sorcery_object_field_register_custom(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE, "contact_acl", "", acl_handler, NULL, NULL, 0, 0);
 
+	ast_sorcery_load_object(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE);
+
 	ast_sip_register_service(&acl_module);
 	return AST_MODULE_LOAD_SUCCESS;
 }