Function parse_authenticate_header

parser/parse_authenticate.c:353–404

int parse_authenticate_header(struct hdr_field *authenticate,
    const struct match_auth_hf_desc *md, struct authenticate_body **picked_auth)
{
	void **parsed;
	struct authenticate_body *auth_body, *ret_auth;
	int rc, prev_parsed;

	parsed = &(authenticate->parsed);
	prev_parsed = (*parsed != NULL);
	ret_auth = NULL;

	while(*parsed == NULL)
	{
		auth_body = pkg_malloc(sizeof(struct authenticate_body));
		if (auth_body == NULL)
		{
			LM_ERR("oom\n");
			*picked_auth = ret_auth;
			return -1;
		}

		rc = parse_authenticate_body(authenticate->body, auth_body);
		if (rc < 0) {
			pkg_free(auth_body);
			*picked_auth = ret_auth;
			return -1;
		}

		if (rc == 0 && !ret_auth &&
		    (md == NULL || md->matchf(auth_body, md)))
			ret_auth = auth_body;

		*parsed = auth_body;

		authenticate = authenticate->sibling;
		if (authenticate)
			parsed = &(authenticate->parsed);
		else
			break;
	}
	if (prev_parsed) {
		while (!ret_auth && authenticate) {
			if (authenticate->parsed &&
					(md == NULL || md->matchf(authenticate->parsed, md)))
				ret_auth = authenticate->parsed;
			authenticate = authenticate->sibling;
		}
	}
	*picked_auth = ret_auth;

	return ret_auth ? 0 : -1;
}

/*
 * This method is used to parse WWW-Authenticate header.