res_pjsip_endpoint_identifier_ip: Don't output error if no header_match.

This change ensures that if no header_match option is set on an
identify an error message is not output stating the option is set
to an invalid value.

ASTERISK-26863

Change-Id: I239bc6d2319dd3da24ba96a38d4d6e9b5526d62a

diff --git a/res/res_pjsip_endpoint_identifier_ip.c b/res/res_pjsip_endpoint_identifier_ip.c
index 1bd7e892dc1b33abd22c2e27b529b34ffc96511e..f935882c91a30cc476ba26a8d4b2b58862f0fe9e 100644 (file)
--- a/res/res_pjsip_endpoint_identifier_ip.c
+++ b/res/res_pjsip_endpoint_identifier_ip.c
@@ -140,9 +140,14 @@ static int header_identify_match_check(void *obj, void *arg, int flags)
        pjsip_generic_string_hdr *header;
        pj_str_t pj_header_name;
        pj_str_t pj_header_value;
-       char *c_header = ast_strdupa(identify->match_header);
+       char *c_header;
        char *c_value;
 
+       if (ast_strlen_zero(identify->match_header)) {
+               return 0;
+       }
+
+       c_header = ast_strdupa(identify->match_header);
        c_value = strchr(c_header, ':');
        if (!c_value) {
                ast_log(LOG_WARNING, "Identify '%s' has invalid header_match: No ':' separator found!\n",