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/*
* (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(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_ve(&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;
}
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