| /* |
| * (C) 2010 by Harald Welte <laforge@gnumonks.org> |
| * (C) 2010 by On-Waves |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| #include <netinet/in.h> |
| #include <arpa/inet.h> |
| |
| #include <osmocore/talloc.h> |
| |
| #include <openbsc/debug.h> |
| #include <openbsc/gb_proxy.h> |
| #include <openbsc/gprs_ns.h> |
| |
| #include <vty/command.h> |
| #include <vty/vty.h> |
| |
| static struct gbproxy_config *g_cfg = NULL; |
| |
| /* |
| * vty code for mgcp below |
| */ |
| static struct cmd_node gbproxy_node = { |
| GBPROXY_NODE, |
| "%s(gbproxy)#", |
| 1, |
| }; |
| |
| static int config_write_gbproxy(struct vty *vty) |
| { |
| struct in_addr ia; |
| |
| vty_out(vty, "gbproxy%s", VTY_NEWLINE); |
| |
| if (g_cfg->nsip_listen_ip) { |
| ia.s_addr = htonl(g_cfg->nsip_listen_ip); |
| vty_out(vty, " nsip bss local ip %s%s", inet_ntoa(ia), |
| VTY_NEWLINE); |
| } |
| vty_out(vty, " nsip bss local port %u%s", g_cfg->nsip_listen_port, |
| VTY_NEWLINE); |
| ia.s_addr = htonl(g_cfg->nsip_sgsn_ip); |
| vty_out(vty, " nsip sgsn remote ip %s%s", inet_ntoa(ia), |
| VTY_NEWLINE); |
| vty_out(vty, " nsip sgsn remote port %u%s", g_cfg->nsip_sgsn_port, |
| VTY_NEWLINE); |
| vty_out(vty, " nsip sgsn nsei %u%s", g_cfg->nsip_sgsn_nsei, |
| VTY_NEWLINE); |
| vty_out(vty, " nsip sgsn nsvci %u%s", g_cfg->nsip_sgsn_nsvci, |
| VTY_NEWLINE); |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(show_ns, show_ns_cmd, "show ns", |
| SHOW_STR "Display information about the NS protocol") |
| { |
| /* FIXME: iterate over list of NS-VC's and display their state */ |
| struct gprs_ns_inst *nsi = g_cfg->nsi; |
| struct gprs_nsvc *nsvc; |
| |
| llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) { |
| vty_out(vty, "NSEI %5u, NS-VC %5u, %s-mode, %s %s%s", |
| nsvc->nsei, nsvc->nsvci, |
| nsvc->remote_end_is_sgsn ? "BSS" : "SGSN", |
| nsvc->state & NSE_S_ALIVE ? "ALIVE" : "DEAD", |
| nsvc->state & NSE_S_BLOCKED ? "BLOCKED" : "UNBLOCKED", |
| VTY_NEWLINE); |
| if (nsvc->nsi->ll == GPRS_NS_LL_UDP) |
| vty_out(vty, " remote peer %s:%u%s", |
| inet_ntoa(nsvc->ip.bts_addr.sin_addr), |
| ntohs(nsvc->ip.bts_addr.sin_port), VTY_NEWLINE); |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_gbproxy, |
| cfg_gbproxy_cmd, |
| "gbproxy", |
| "Configure the Gb proxy") |
| { |
| vty->node = GBPROXY_NODE; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_nsip_bss_local_ip, |
| cfg_nsip_bss_local_ip_cmd, |
| "nsip bss local ip A.B.C.D", |
| "Set the IP address on which we listen for BSS connects") |
| { |
| struct in_addr ia; |
| |
| inet_aton(argv[0], &ia); |
| g_cfg->nsip_listen_ip = ntohl(ia.s_addr); |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_nsip_bss_local_port, |
| cfg_nsip_bss_local_port_cmd, |
| "nsip bss local port <0-65534>", |
| "Set the UDP port on which we listen for BSS connects") |
| { |
| unsigned int port = atoi(argv[0]); |
| |
| g_cfg->nsip_listen_port = port; |
| return CMD_SUCCESS; |
| } |
| |
| |
| DEFUN(cfg_nsip_sgsn_ip, |
| cfg_nsip_sgsn_ip_cmd, |
| "nsip sgsn remote ip A.B.C.D", |
| "Set the IP of the SGSN to which the proxy shall connect") |
| { |
| struct in_addr ia; |
| |
| inet_aton(argv[0], &ia); |
| g_cfg->nsip_sgsn_ip = ntohl(ia.s_addr); |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_nsip_sgsn_port, |
| cfg_nsip_sgsn_port_cmd, |
| "nsip sgsn remote port <0-65534>", |
| "Set the UDP port of the SGSN to which the proxy shall connect") |
| { |
| unsigned int port = atoi(argv[0]); |
| |
| g_cfg->nsip_sgsn_port = port; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_nsip_sgsn_nsei, |
| cfg_nsip_sgsn_nsei_cmd, |
| "nsip sgsn nsei <0-65534>", |
| "Set the NSEI to be used in the connection with the SGSN") |
| { |
| unsigned int port = atoi(argv[0]); |
| |
| g_cfg->nsip_sgsn_nsei = port; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_nsip_sgsn_nsvci, |
| cfg_nsip_sgsn_nsvci_cmd, |
| "nsip sgsn nsvci <0-65534>", |
| "Set the NSVCI to be used in the connection with the SGSN") |
| { |
| unsigned int port = atoi(argv[0]); |
| |
| g_cfg->nsip_sgsn_nsvci = port; |
| return CMD_SUCCESS; |
| } |
| |
| |
| int gbproxy_vty_init(void) |
| { |
| install_element(VIEW_NODE, &show_ns_cmd); |
| install_element(VIEW_NODE, &show_gbproxy_cmd); |
| |
| install_element(CONFIG_NODE, &cfg_gbproxy_cmd); |
| install_node(&gbproxy_node, config_write_gbproxy); |
| install_default(GBPROXY_NODE); |
| install_element(GBPROXY_NODE, &cfg_nsip_bss_local_ip_cmd); |
| install_element(GBPROXY_NODE, &cfg_nsip_bss_local_port_cmd); |
| install_element(GBPROXY_NODE, &cfg_nsip_sgsn_ip_cmd); |
| install_element(GBPROXY_NODE, &cfg_nsip_sgsn_port_cmd); |
| install_element(GBPROXY_NODE, &cfg_nsip_sgsn_nsei_cmd); |
| install_element(GBPROXY_NODE, &cfg_nsip_sgsn_nsvci_cmd); |
| |
| return 0; |
| } |
| |
| int gbproxy_parse_config(const char *config_file, struct gbproxy_config *cfg) |
| { |
| int rc; |
| |
| g_cfg = cfg; |
| rc = vty_read_config_file(config_file); |
| if (rc < 0) { |
| fprintf(stderr, "Failed to parse the config file: '%s'\n", config_file); |
| return rc; |
| } |
| |
| return 0; |
| } |
| |