Clean up local var pointers in mgcp_get_local_addr()
Change-Id: I12f1d38b70f97426318e948cd80f9efc2592d54b
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70c03f5e44
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654b68d602
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@ -89,13 +89,12 @@ bool mgcp_rtp_end_remote_addr_available(const struct mgcp_rtp_end *rtp_end)
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* IP-Addresses are used as fallback. */
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int mgcp_get_local_addr(char *addr, struct mgcp_conn_rtp *conn)
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{
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struct mgcp_endpoint *endp;
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const struct mgcp_endpoint *endp = conn->conn->endp;
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const struct mgcp_config *cfg = endp->trunk->cfg;
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char ipbuf[INET6_ADDRSTRLEN];
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int rc;
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endp = conn->conn->endp;
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bool rem_addr_set = osmo_sockaddr_is_any(&conn->end.addr) == 0;
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char *bind_addr;
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const char *bind_addr;
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/* Osmux: No smart IP addresses allocation is supported yet. Simply
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* return the one set in VTY config: */
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@ -103,19 +102,19 @@ int mgcp_get_local_addr(char *addr, struct mgcp_conn_rtp *conn)
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if (rem_addr_set) {
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/* Match IP version with what was requested from remote: */
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bind_addr = conn->end.addr.u.sa.sa_family == AF_INET6 ?
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conn->conn->endp->trunk->cfg->osmux_addr_v6 :
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conn->conn->endp->trunk->cfg->osmux_addr_v4;
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cfg->osmux_addr_v6 :
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cfg->osmux_addr_v4;
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} else {
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/* Choose any of the bind addresses, preferring v6 over v4 if available: */
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bind_addr = conn->conn->endp->trunk->cfg->osmux_addr_v6;
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bind_addr = cfg->osmux_addr_v6;
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if (!bind_addr)
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bind_addr = conn->conn->endp->trunk->cfg->osmux_addr_v4;
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bind_addr = cfg->osmux_addr_v4;
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}
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if (!bind_addr) {
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LOGPCONN(conn->conn, DOSMUX, LOGL_ERROR,
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"Unable to locate local Osmux address, check your configuration! v4=%u v6=%u remote_known=%s\n",
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!!conn->conn->endp->trunk->cfg->osmux_addr_v4,
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!!conn->conn->endp->trunk->cfg->osmux_addr_v6,
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!!cfg->osmux_addr_v4,
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!!cfg->osmux_addr_v6,
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rem_addr_set ? osmo_sockaddr_ntop(&conn->end.addr.u.sa, ipbuf) : "no");
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return -1;
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}
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@ -127,7 +126,7 @@ int mgcp_get_local_addr(char *addr, struct mgcp_conn_rtp *conn)
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}
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/* Try probing the local IP-Address */
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if (endp->trunk->cfg->net_ports.bind_addr_probe && rem_addr_set) {
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if (cfg->net_ports.bind_addr_probe && rem_addr_set) {
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rc = osmo_sock_local_ip(addr, osmo_sockaddr_ntop(&conn->end.addr.u.sa, ipbuf));
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if (rc < 0)
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LOGPCONN(conn->conn, DRTP, LOGL_ERROR,
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@ -145,13 +144,13 @@ int mgcp_get_local_addr(char *addr, struct mgcp_conn_rtp *conn)
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/* Check there is a bind IP for the RTP traffic configured,
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* if so, use that IP-Address */
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bind_addr = conn->end.addr.u.sa.sa_family == AF_INET6 ?
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endp->trunk->cfg->net_ports.bind_addr_v6 :
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endp->trunk->cfg->net_ports.bind_addr_v4;
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cfg->net_ports.bind_addr_v6 :
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cfg->net_ports.bind_addr_v4;
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} else {
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/* Choose any of the bind addresses, preferring v6 over v4 */
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bind_addr = endp->trunk->cfg->net_ports.bind_addr_v6;
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bind_addr = cfg->net_ports.bind_addr_v6;
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if (!strlen(bind_addr))
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bind_addr = endp->trunk->cfg->net_ports.bind_addr_v4;
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bind_addr = cfg->net_ports.bind_addr_v4;
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}
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if (strlen(bind_addr)) {
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LOGPCONN(conn->conn, DRTP, LOGL_DEBUG,
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@ -161,7 +160,7 @@ int mgcp_get_local_addr(char *addr, struct mgcp_conn_rtp *conn)
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/* No specific bind IP is configured for the RTP traffic, so
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* assume the IP where we listen for incoming MGCP messages
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* as bind IP */
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bind_addr = endp->trunk->cfg->source_addr;
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bind_addr = cfg->source_addr;
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LOGPCONN(conn->conn, DRTP, LOGL_DEBUG,
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"using mgcp bind ip as local rtp bind ip: %s\n", bind_addr);
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}
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