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/* 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 <openbsc/vty.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: Nr: %d lac: %d BSC ref: 0x%x Local ref: 0x%x MSC/BSC mux: 0x%x/0x%x%s",
con->bsc->cfg ? con->bsc->cfg->nr : -1,
con->bsc->cfg ? con->bsc->cfg->lac : -1,
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;
struct sockaddr_in sock;
socklen_t len = sizeof(sock);
llist_for_each_entry(con, &_nat->bsc_connections, list_entry) {
getpeername(con->write_queue.bfd.fd, (struct sockaddr *) &sock, &len);
vty_out(vty, "BSC lac: %d, %d auth: %d fd: %d peername: %s%s",
con->cfg ? con->cfg->nr : -1,
con->cfg ? con->cfg->lac : -1,
con->authenticated, con->write_queue.bfd.fd,
inet_ntoa(sock.sin_addr), 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);
openbsc_vty_add_cmds();
/* 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()
{}
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