| /* OpenBSC NAT interface to quagga VTY */ |
| /* (C) 2010 by Holger Hans Peter Freyther |
| * (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 <vty/command.h> |
| #include <vty/buffer.h> |
| #include <vty/vty.h> |
| |
| #include <openbsc/bsc_nat.h> |
| #include <openbsc/gsm_04_08.h> |
| #include <openbsc/mgcp.h> |
| |
| #include <osmocore/talloc.h> |
| |
| #include <sccp/sccp.h> |
| |
| #include <stdlib.h> |
| |
| static struct bsc_nat *_nat; |
| |
| static struct cmd_node nat_node = { |
| NAT_NODE, |
| "%s(nat)#", |
| 1, |
| }; |
| |
| static struct cmd_node bsc_node = { |
| BSC_NODE, |
| "%s(bsc)#", |
| 1, |
| }; |
| |
| static int config_write_nat(struct vty *vty) |
| { |
| vty_out(vty, "nat%s", VTY_NEWLINE); |
| return CMD_SUCCESS; |
| } |
| |
| static void config_write_bsc_single(struct vty *vty, struct bsc_config *bsc) |
| { |
| vty_out(vty, " bsc %u%s", bsc->nr, VTY_NEWLINE); |
| vty_out(vty, " token %s%s", bsc->token, VTY_NEWLINE); |
| vty_out(vty, " lac %u%s", bsc->lac, VTY_NEWLINE); |
| } |
| |
| static int config_write_bsc(struct vty *vty) |
| { |
| struct bsc_config *bsc; |
| |
| llist_for_each_entry(bsc, &_nat->bsc_configs, entry) |
| config_write_bsc_single(vty, bsc); |
| return CMD_SUCCESS; |
| } |
| |
| |
| DEFUN(show_sccp, show_sccp_cmd, "show connections sccp", |
| SHOW_STR "Display information about current SCCP connections") |
| { |
| struct sccp_connections *con; |
| llist_for_each_entry(con, &_nat->sccp_connections, list_entry) { |
| vty_out(vty, "SCCP for BSC: %d BSC ref: 0x%x Local ref: 0x%x MSC/BSC mux: 0x%x/0x%x%s", |
| con->bsc->lac, |
| sccp_src_ref_to_int(&con->real_ref), |
| sccp_src_ref_to_int(&con->patched_ref), |
| con->msc_timeslot, con->bsc_timeslot, |
| VTY_NEWLINE); |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(show_bsc, show_bsc_cmd, "show connections bsc", |
| SHOW_STR "Display information about current BSCs") |
| { |
| struct bsc_connection *con; |
| llist_for_each_entry(con, &_nat->bsc_connections, list_entry) { |
| vty_out(vty, "BSC lac: %d auth: %d fd: %d%s", |
| con->lac, con->authenticated, con->write_queue.bfd.fd, VTY_NEWLINE); |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(show_bsc_cfg, show_bsc_cfg_cmd, "show bsc config", |
| SHOW_STR "Display information about known BSC configs") |
| { |
| struct bsc_config *conf; |
| llist_for_each_entry(conf, &_nat->bsc_configs, entry) { |
| vty_out(vty, "BSC token: '%s' lac: %u nr: %u%s", |
| conf->token, conf->lac, conf->nr, VTY_NEWLINE); |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| |
| DEFUN(cfg_nat, cfg_nat_cmd, "nat", "Configute the NAT") |
| { |
| vty->index = _nat; |
| vty->node = NAT_NODE; |
| |
| return CMD_SUCCESS; |
| } |
| |
| /* per BSC configuration */ |
| DEFUN(cfg_bsc, cfg_bsc_cmd, "bsc BSC_NR", "Select a BSC to configure\n") |
| { |
| int bsc_nr = atoi(argv[0]); |
| struct bsc_config *bsc; |
| |
| if (bsc_nr > _nat->num_bsc) { |
| vty_out(vty, "%% The next unused BSC number is %u%s", |
| _nat->num_bsc, VTY_NEWLINE); |
| return CMD_WARNING; |
| } else if (bsc_nr == _nat->num_bsc) { |
| /* allocate a new one */ |
| bsc = bsc_config_alloc(_nat, "unknown", 0); |
| } else |
| bsc = bsc_config_num(_nat, bsc_nr); |
| |
| if (!bsc) |
| return CMD_WARNING; |
| |
| vty->index = bsc; |
| vty->node = BSC_NODE; |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_bsc_token, cfg_bsc_token_cmd, "token TOKEN", "Set the token") |
| { |
| struct bsc_config *conf = vty->index; |
| |
| if (conf->token) |
| talloc_free(conf->token); |
| conf->token = talloc_strdup(conf, argv[0]); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_bsc_lac, cfg_bsc_lac_cmd, "location_area_code <0-65535>", |
| "Set the Location Area Code (LAC) of this BSC\n") |
| { |
| struct bsc_config *tmp; |
| struct bsc_config *conf = vty->index; |
| |
| int lac = atoi(argv[0]); |
| |
| if (lac < 0 || lac > 0xffff) { |
| vty_out(vty, "%% LAC %d is not in the valid range (0-65535)%s", |
| lac, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (lac == GSM_LAC_RESERVED_DETACHED || lac == GSM_LAC_RESERVED_ALL_BTS) { |
| vty_out(vty, "%% LAC %d is reserved by GSM 04.08%s", |
| lac, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| /* verify that the LACs are unique */ |
| llist_for_each_entry(tmp, &_nat->bsc_configs, entry) { |
| if (tmp->lac == lac) { |
| vty_out(vty, "%% LAC %d is already used.%s", lac, VTY_NEWLINE); |
| return CMD_ERR_INCOMPLETE; |
| } |
| } |
| |
| conf->lac = lac; |
| |
| return CMD_SUCCESS; |
| } |
| |
| int bsc_nat_vty_init(struct bsc_nat *nat) |
| { |
| _nat = nat; |
| |
| cmd_init(1); |
| vty_init(); |
| |
| /* show commands */ |
| install_element(VIEW_NODE, &show_sccp_cmd); |
| install_element(VIEW_NODE, &show_bsc_cmd); |
| install_element(VIEW_NODE, &show_bsc_cfg_cmd); |
| |
| /* nat group */ |
| install_element(CONFIG_NODE, &cfg_nat_cmd); |
| install_node(&nat_node, config_write_nat); |
| install_default(NAT_NODE); |
| |
| /* BSC subgroups */ |
| install_element(NAT_NODE, &cfg_bsc_cmd); |
| install_node(&bsc_node, config_write_bsc); |
| install_default(BSC_NODE); |
| install_element(BSC_NODE, &cfg_bsc_token_cmd); |
| install_element(BSC_NODE, &cfg_bsc_lac_cmd); |
| |
| mgcp_vty_init(); |
| |
| return 0; |
| } |
| |
| |
| /* called by the telnet interface... we have our own init above */ |
| void bsc_vty_init() |
| {} |