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osmo-msc/openbsc/src/osmo-bsc_nat/bsc_nat_vty.c

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/* OpenBSC NAT interface to quagga VTY */
/* (C) 2010-2013 by Holger Hans Peter Freyther
* (C) 2010-2013 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 Affero General Public License as published by
* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <openbsc/vty.h>
#include <openbsc/gsm_data.h>
#include <openbsc/bsc_nat.h>
#include <openbsc/bsc_nat_sccp.h>
#include <openbsc/bsc_msc.h>
#include <openbsc/gsm_04_08.h>
#include <openbsc/mgcp.h>
#include <openbsc/vty.h>
#include <openbsc/nat_rewrite_trie.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/rate_ctr.h>
#include <osmocom/core/utils.h>
#include <osmocom/vty/logging.h>
#include <osmocom/vty/misc.h>
#include <osmocom/sccp/sccp.h>
#include <stdlib.h>
static struct bsc_nat *_nat;
#define BSC_STR "Information about BSCs\n"
#define MGCP_STR "MGCP related status\n"
#define PAGING_STR "Paging\n"
#define SMSC_REWRITE "SMSC Rewriting\n"
static struct cmd_node nat_node = {
NAT_NODE,
"%s(config-nat)# ",
1,
};
static struct cmd_node bsc_node = {
NAT_BSC_NODE,
"%s(config-nat-bsc)# ",
1,
};
static struct cmd_node pgroup_node = {
PGROUP_NODE,
"%s(config-nat-paging-group)# ",
1,
};
static int config_write_pgroup(struct vty *vty)
{
return CMD_SUCCESS;
}
static void write_acc_lst(struct vty *vty, struct bsc_nat_acc_lst *lst)
{
struct bsc_nat_acc_lst_entry *entry;
llist_for_each_entry(entry, &lst->fltr_list, list) {
if (entry->imsi_allow)
vty_out(vty, " access-list %s imsi-allow %s%s",
lst->name, entry->imsi_allow, VTY_NEWLINE);
if (entry->imsi_deny)
vty_out(vty, " access-list %s imsi-deny %s %d %d%s",
lst->name, entry->imsi_deny,
entry->cm_reject_cause, entry->lu_reject_cause,
VTY_NEWLINE);
}
}
static void dump_lac(struct vty *vty, struct llist_head *head)
{
struct bsc_lac_entry *lac;
llist_for_each_entry(lac, head, entry)
vty_out(vty, " location_area_code %u%s", lac->lac, VTY_NEWLINE);
}
static void write_pgroup_lst(struct vty *vty, struct bsc_nat_paging_group *pgroup)
{
vty_out(vty, " paging-group %d%s", pgroup->nr, VTY_NEWLINE);
dump_lac(vty, &pgroup->lists);
}
static int config_write_nat(struct vty *vty)
{
struct bsc_nat_acc_lst *lst;
struct bsc_nat_paging_group *pgroup;
vty_out(vty, "nat%s", VTY_NEWLINE);
vty_out(vty, " msc ip %s%s", _nat->main_dest->ip, VTY_NEWLINE);
vty_out(vty, " msc port %d%s", _nat->main_dest->port, VTY_NEWLINE);
vty_out(vty, " timeout auth %d%s", _nat->auth_timeout, VTY_NEWLINE);
vty_out(vty, " timeout ping %d%s", _nat->ping_timeout, VTY_NEWLINE);
vty_out(vty, " timeout pong %d%s", _nat->pong_timeout, VTY_NEWLINE);
if (_nat->token)
vty_out(vty, " token %s%s", _nat->token, VTY_NEWLINE);
vty_out(vty, " ip-dscp %d%s", _nat->bsc_ip_dscp, VTY_NEWLINE);
if (_nat->acc_lst_name)
vty_out(vty, " access-list-name %s%s", _nat->acc_lst_name, VTY_NEWLINE);
if (_nat->imsi_black_list_fn)
vty_out(vty, " imsi-black-list-file-name %s%s",
_nat->imsi_black_list_fn, VTY_NEWLINE);
if (_nat->ussd_lst_name)
vty_out(vty, " ussd-list-name %s%s", _nat->ussd_lst_name, VTY_NEWLINE);
if (_nat->ussd_query)
vty_out(vty, " ussd-query %s%s", _nat->ussd_query, VTY_NEWLINE);
if (_nat->ussd_token)
vty_out(vty, " ussd-token %s%s", _nat->ussd_token, VTY_NEWLINE);
if (_nat->ussd_local)
vty_out(vty, " ussd-local-ip %s%s", _nat->ussd_local, VTY_NEWLINE);
if (_nat->num_rewr_name)
vty_out(vty, " number-rewrite %s%s", _nat->num_rewr_name, VTY_NEWLINE);
if (_nat->num_rewr_post_name)
vty_out(vty, " number-rewrite-post %s%s",
_nat->num_rewr_post_name, VTY_NEWLINE);
if (_nat->smsc_rewr_name)
vty_out(vty, " rewrite-smsc addr %s%s",
_nat->smsc_rewr_name, VTY_NEWLINE);
if (_nat->tpdest_match_name)
vty_out(vty, " rewrite-smsc tp-dest-match %s%s",
_nat->tpdest_match_name, VTY_NEWLINE);
if (_nat->sms_clear_tp_srr_name)
vty_out(vty, " sms-clear-tp-srr %s%s",
_nat->sms_clear_tp_srr_name, VTY_NEWLINE);
if (_nat->sms_num_rewr_name)
vty_out(vty, " sms-number-rewrite %s%s",
_nat->sms_num_rewr_name, VTY_NEWLINE);
if (_nat->num_rewr_trie_name)
vty_out(vty, " prefix-tree %s%s",
_nat->num_rewr_trie_name, VTY_NEWLINE);
llist_for_each_entry(lst, &_nat->access_lists, list)
write_acc_lst(vty, lst);
llist_for_each_entry(pgroup, &_nat->paging_groups, entry)
write_pgroup_lst(vty, pgroup);
if (_nat->mgcp_ipa)
vty_out(vty, " use-msc-ipa-for-mgcp%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);
dump_lac(vty, &bsc->lac_list);
if (bsc->description)
vty_out(vty, " description %s%s", bsc->description, VTY_NEWLINE);
if (bsc->acc_lst_name)
vty_out(vty, " access-list-name %s%s", bsc->acc_lst_name, VTY_NEWLINE);
vty_out(vty, " max-endpoints %d%s", bsc->max_endpoints, VTY_NEWLINE);
if (bsc->paging_group != -1)
vty_out(vty, " paging group %d%s", bsc->paging_group, VTY_NEWLINE);
vty_out(vty, " paging forbidden %d%s", bsc->forbid_paging, VTY_NEWLINE);
if (bsc->osmux)
vty_out(vty, " osmux on%s", 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 sccp connections",
SHOW_STR "Display information about SCCP\n"
"All active connections\n")
{
struct nat_sccp_connection *con;
vty_out(vty, "Listing all open SCCP connections%s", VTY_NEWLINE);
llist_for_each_entry(con, &_nat->sccp_connections, list_entry) {
vty_out(vty, "For BSC Nr: %d BSC ref: 0x%x; MUX ref: 0x%x; Network has ref: %d ref: 0x%x MSC/BSC mux: 0x%x/0x%x type: %s%s",
con->bsc->cfg ? con->bsc->cfg->nr : -1,
sccp_src_ref_to_int(&con->real_ref),
sccp_src_ref_to_int(&con->patched_ref),
con->has_remote_ref,
sccp_src_ref_to_int(&con->remote_ref),
con->msc_endp, con->bsc_endp,
bsc_con_type_to_string(con->con_type),
VTY_NEWLINE);
}
return CMD_SUCCESS;
}
DEFUN(show_bsc, show_bsc_cmd, "show bsc connections",
SHOW_STR BSC_STR
"All active connections\n")
{
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 nr: %d auth: %d fd: %d peername: %s pending-stats: %u%s",
con->cfg ? con->cfg->nr : -1,
con->authenticated, con->write_queue.bfd.fd,
inet_ntoa(sock.sin_addr), con->pending_dlcx_count,
VTY_NEWLINE);
}
return CMD_SUCCESS;
}
DEFUN(show_bsc_mgcp, show_bsc_mgcp_cmd, "show bsc mgcp NR",
SHOW_STR BSC_STR MGCP_STR "Identifier of the BSC\n")
{
struct bsc_connection *con;
int nr = atoi(argv[0]);
int i, j, endp;
llist_for_each_entry(con, &_nat->bsc_connections, list_entry) {
int max;
if (!con->cfg)
continue;
if (con->cfg->nr != nr)
continue;
/* this bsc has no audio endpoints yet */
if (!con->_endpoint_status)
continue;
vty_out(vty, "MGCP Status for %d%s", con->cfg->nr, VTY_NEWLINE);
max = bsc_mgcp_nr_multiplexes(con->max_endpoints);
for (i = 0; i < max; ++i) {
for (j = 0; j < 32; ++j) {
endp = mgcp_timeslot_to_endpoint(i, j);
vty_out(vty, " Endpoint 0x%x %s%s", endp,
con->_endpoint_status[endp] == 0
? "free" : "allocated",
VTY_NEWLINE);
}
}
break;
}
return CMD_SUCCESS;
}
DEFUN(show_bsc_cfg, show_bsc_cfg_cmd, "show bsc config",
SHOW_STR BSC_STR "Configuration of BSCs\n")
{
struct bsc_config *conf;
llist_for_each_entry(conf, &_nat->bsc_configs, entry) {
vty_out(vty, "BSC token: '%s' nr: %u%s",
conf->token, conf->nr, VTY_NEWLINE);
if (conf->acc_lst_name)
vty_out(vty, " access-list: %s%s",
conf->acc_lst_name, VTY_NEWLINE);
vty_out(vty, " paging forbidden: %d%s",
conf->forbid_paging, VTY_NEWLINE);
if (conf->description)
vty_out(vty, " description: %s%s", conf->description, VTY_NEWLINE);
else
vty_out(vty, " No description.%s", VTY_NEWLINE);
}
return CMD_SUCCESS;
}
static void dump_stat_total(struct vty *vty, struct bsc_nat *nat)
{
vty_out(vty, "NAT statistics%s", VTY_NEWLINE);
vty_out(vty, " SCCP Connections %lu total, %lu calls%s",
osmo_counter_get(nat->stats.sccp.conn),
osmo_counter_get(nat->stats.sccp.calls), VTY_NEWLINE);
vty_out(vty, " MSC Connections %lu%s",
osmo_counter_get(nat->stats.msc.reconn), VTY_NEWLINE);
vty_out(vty, " MSC Connected: %d%s",
bsc_nat_msc_is_connected(nat), VTY_NEWLINE);
vty_out(vty, " BSC Connections %lu total, %lu auth failed.%s",
osmo_counter_get(nat->stats.bsc.reconn),
osmo_counter_get(nat->stats.bsc.auth_fail), VTY_NEWLINE);
}
static void dump_stat_bsc(struct vty *vty, struct bsc_config *conf)
{
int connected = 0;
struct bsc_connection *con;
vty_out(vty, " BSC nr: %d%s",
conf->nr, VTY_NEWLINE);
vty_out_rate_ctr_group(vty, " ", conf->stats.ctrg);
llist_for_each_entry(con, &conf->nat->bsc_connections, list_entry) {
if (con->cfg != conf)
continue;
connected = 1;
break;
}
vty_out(vty, " Connected: %d%s", connected, VTY_NEWLINE);
}
DEFUN(show_stats,
show_stats_cmd,
"show statistics [NR]",
SHOW_STR "Display network statistics\n"
"Number of the BSC\n")
{
struct bsc_config *conf;
int nr = -1;
if (argc == 1)
nr = atoi(argv[0]);
dump_stat_total(vty, _nat);
llist_for_each_entry(conf, &_nat->bsc_configs, entry) {
if (argc == 1 && nr != conf->nr)
continue;
dump_stat_bsc(vty, conf);
}
return CMD_SUCCESS;
}
DEFUN(show_stats_lac,
show_stats_lac_cmd,
"show statistics-by-lac <0-65535>",
SHOW_STR "Display network statistics by lac\n"
"The lac of the BSC\n")
{
int lac;
struct bsc_config *conf;
lac = atoi(argv[0]);
dump_stat_total(vty, _nat);
llist_for_each_entry(conf, &_nat->bsc_configs, entry) {
if (!bsc_config_handles_lac(conf, lac))
continue;
dump_stat_bsc(vty, conf);
}
return CMD_SUCCESS;
}
DEFUN(show_msc,
show_msc_cmd,
"show msc connection",
SHOW_STR "MSC related information\n"
"Status of the A-link connection\n")
{
if (!_nat->msc_con) {
vty_out(vty, "The MSC is not yet configured.%s", VTY_NEWLINE);
return CMD_WARNING;
}
vty_out(vty, "MSC is connected: %d%s",
bsc_nat_msc_is_connected(_nat), VTY_NEWLINE);
return CMD_SUCCESS;
}
DEFUN(close_bsc,
close_bsc_cmd,
"close bsc connection BSC_NR",
"Close\n" "A-link\n" "Connection\n" "Identifier of the BSC\n")
{
struct bsc_connection *bsc;
int bsc_nr = atoi(argv[0]);
llist_for_each_entry(bsc, &_nat->bsc_connections, list_entry) {
if (!bsc->cfg || bsc->cfg->nr != bsc_nr)
continue;
bsc_close_connection(bsc);
break;
}
return CMD_SUCCESS;
}
DEFUN(cfg_nat, cfg_nat_cmd, "nat", "Configure the NAT")
{
vty->index = _nat;
vty->node = NAT_NODE;
return CMD_SUCCESS;
}
DEFUN(cfg_nat_msc_ip,
cfg_nat_msc_ip_cmd,
"msc ip A.B.C.D",
"MSC related configuration\n"
"Configure the IP address\n" IP_STR)
{
bsc_nat_set_msc_ip(_nat, argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_msc_port,
cfg_nat_msc_port_cmd,
"msc port <1-65500>",
"MSC related configuration\n"
"Configure the port\n"
"Port number\n")
{
_nat->main_dest->port = atoi(argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_auth_time,
cfg_nat_auth_time_cmd,
"timeout auth <1-256>",
"Timeout configuration\n"
"Authentication timeout\n"
"Timeout in seconds\n")
{
_nat->auth_timeout = atoi(argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_ping_time,
cfg_nat_ping_time_cmd,
"timeout ping NR",
"Timeout configuration\n"
"Time between two pings\n"
"Timeout in seconds\n")
{
_nat->ping_timeout = atoi(argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_pong_time,
cfg_nat_pong_time_cmd,
"timeout pong NR",
"Timeout configuration\n"
"Waiting for pong timeout\n"
"Timeout in seconds\n")
{
_nat->pong_timeout = atoi(argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_token, cfg_nat_token_cmd,
"token TOKEN",
"Authentication token configuration\n"
"Token of the BSC, currently transferred in cleartext\n")
{
bsc_replace_string(_nat, &_nat->token, argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_bsc_ip_dscp, cfg_nat_bsc_ip_dscp_cmd,
"ip-dscp <0-255>",
"Set the IP DSCP for the BSCs to use\n" "Set the IP_TOS attribute")
{
_nat->bsc_ip_dscp = atoi(argv[0]);
return CMD_SUCCESS;
}
ALIAS_DEPRECATED(cfg_nat_bsc_ip_dscp, cfg_nat_bsc_ip_tos_cmd,
"ip-tos <0-255>",
"Use ip-dscp in the future.\n" "Set the DSCP\n")
DEFUN(cfg_nat_acc_lst_name,
cfg_nat_acc_lst_name_cmd,
"access-list-name NAME",
"Set the name of the access list to use.\n"
"The name of the to be used access list.")
{
bsc_replace_string(_nat, &_nat->acc_lst_name, argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_no_acc_lst_name,
cfg_nat_no_acc_lst_name_cmd,
"no access-list-name",
NO_STR "Remove the access list from the NAT.\n")
{
if (_nat->acc_lst_name) {
talloc_free(_nat->acc_lst_name);
_nat->acc_lst_name = NULL;
}
return CMD_SUCCESS;
}
DEFUN(cfg_nat_imsi_black_list_fn,
cfg_nat_imsi_black_list_fn_cmd,
"imsi-black-list-file-name NAME",
"IMSI black listing\n" "Filename IMSI and reject-cause\n")
{
bsc_replace_string(_nat, &_nat->imsi_black_list_fn, argv[0]);
if (_nat->imsi_black_list_fn) {
int rc;
struct osmo_config_list *rewr = NULL;
rewr = osmo_config_list_parse(_nat, _nat->imsi_black_list_fn);
rc = bsc_nat_barr_adapt(_nat, &_nat->imsi_black_list, rewr);
if (rc != 0) {
vty_out(vty, "%%There was an error parsing the list."
" Please see the error log.%s", VTY_NEWLINE);
return CMD_WARNING;
}
return CMD_SUCCESS;
}
bsc_nat_barr_adapt(_nat, &_nat->imsi_black_list, NULL);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_no_imsi_black_list_fn,
cfg_nat_no_imsi_black_list_fn_cmd,
"no imsi-black-list-file-name",
NO_STR "Remove the imsi-black-list\n")
{
talloc_free(_nat->imsi_black_list_fn);
_nat->imsi_black_list_fn = NULL;
bsc_nat_barr_adapt(_nat, &_nat->imsi_black_list, NULL);
return CMD_SUCCESS;
}
static int replace_rules(struct bsc_nat *nat, char **name,
struct llist_head *head, const char *file)
{
struct osmo_config_list *rewr = NULL;
bsc_replace_string(nat, name, file);
if (*name) {
rewr = osmo_config_list_parse(nat, *name);
bsc_nat_num_rewr_entry_adapt(nat, head, rewr);
talloc_free(rewr);
return CMD_SUCCESS;
} else {
bsc_nat_num_rewr_entry_adapt(nat, head, NULL);
return CMD_SUCCESS;
}
}
DEFUN(cfg_nat_number_rewrite,
cfg_nat_number_rewrite_cmd,
"number-rewrite FILENAME",
"Set the file with rewriting rules.\n" "Filename")
{
return replace_rules(_nat, &_nat->num_rewr_name,
&_nat->num_rewr, argv[0]);
}
DEFUN(cfg_nat_no_number_rewrite,
cfg_nat_no_number_rewrite_cmd,
"no number-rewrite",
NO_STR "Set the file with rewriting rules.\n")
{
talloc_free(_nat->num_rewr_name);
_nat->num_rewr_name = NULL;
bsc_nat_num_rewr_entry_adapt(NULL, &_nat->num_rewr, NULL);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_number_rewrite_post,
cfg_nat_number_rewrite_post_cmd,
"number-rewrite-post FILENAME",
"Set the file with post-routing rewriting rules.\n" "Filename")
{
return replace_rules(_nat, &_nat->num_rewr_post_name,
&_nat->num_rewr_post, argv[0]);
}
DEFUN(cfg_nat_no_number_rewrite_post,
cfg_nat_no_number_rewrite_post_cmd,
"no number-rewrite-post",
NO_STR "Set the file with post-routing rewriting rules.\n")
{
talloc_free(_nat->num_rewr_post_name);
_nat->num_rewr_post_name = NULL;
bsc_nat_num_rewr_entry_adapt(NULL, &_nat->num_rewr_post, NULL);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_smsc_addr,
cfg_nat_smsc_addr_cmd,
"rewrite-smsc addr FILENAME",
SMSC_REWRITE
"The SMSC Address to match and replace in RP-DATA\n"
"File with rules for the SMSC Address replacing\n")
{
return replace_rules(_nat, &_nat->smsc_rewr_name,
&_nat->smsc_rewr, argv[0]);
}
DEFUN(cfg_nat_smsc_tpdest,
cfg_nat_smsc_tpdest_cmd,
"rewrite-smsc tp-dest-match FILENAME",
SMSC_REWRITE
"Match TP-Destination of a SMS.\n"
"File with rules for matching MSISDN and TP-DEST\n")
{
return replace_rules(_nat, &_nat->tpdest_match_name,
&_nat->tpdest_match, argv[0]);
}
DEFUN(cfg_nat_sms_clear_tpsrr,
cfg_nat_sms_clear_tpsrr_cmd,
"sms-clear-tp-srr FILENAME",
"SMS TPDU Sender Report Request clearing\n"
"Files with rules for matching MSISDN\n")
{
return replace_rules(_nat, &_nat->sms_clear_tp_srr_name,
&_nat->sms_clear_tp_srr, argv[0]);
}
DEFUN(cfg_nat_no_sms_clear_tpsrr,
cfg_nat_no_sms_clear_tpsrr_cmd,
"no sms-clear-tp-srr",
NO_STR
"SMS TPDU Sender Report Request clearing\n")
{
talloc_free(_nat->sms_clear_tp_srr_name);
_nat->sms_clear_tp_srr_name = NULL;
bsc_nat_num_rewr_entry_adapt(NULL, &_nat->sms_clear_tp_srr, NULL);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_sms_number_rewrite,
cfg_nat_sms_number_rewrite_cmd,
"sms-number-rewrite FILENAME",
"SMS TP-DA Number rewriting\n"
"Files with rules for matching MSISDN\n")
{
return replace_rules(_nat, &_nat->sms_num_rewr_name,
&_nat->sms_num_rewr, argv[0]);
}
DEFUN(cfg_nat_no_sms_number_rewrite,
cfg_nat_no_sms_number_rewrite_cmd,
"no sms-number-rewrite",
NO_STR "Disable SMS TP-DA rewriting\n")
{
talloc_free(_nat->sms_num_rewr_name);
_nat->sms_num_rewr_name = NULL;
bsc_nat_num_rewr_entry_adapt(NULL, &_nat->sms_num_rewr, NULL);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_prefix_trie,
cfg_nat_prefix_trie_cmd,
"prefix-tree FILENAME",
"Prefix tree for number rewriting\n" "File to load\n")
{
/* give up the old data */
talloc_free(_nat->num_rewr_trie);
_nat->num_rewr_trie = NULL;
/* replace the file name */
bsc_replace_string(_nat, &_nat->num_rewr_trie_name, argv[0]);
if (!_nat->num_rewr_trie_name) {
vty_out(vty, "%% prefix-tree no filename is present.%s", VTY_NEWLINE);
return CMD_WARNING;
}
_nat->num_rewr_trie = nat_rewrite_parse(_nat, _nat->num_rewr_trie_name);
if (!_nat->num_rewr_trie) {
vty_out(vty, "%% prefix-tree parsing has failed.%s", VTY_NEWLINE);
return CMD_WARNING;
}
vty_out(vty, "%% prefix-tree loaded %zu rules.%s",
_nat->num_rewr_trie->prefixes, VTY_NEWLINE);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_no_prefix_trie, cfg_nat_no_prefix_trie_cmd,
"no prefix-tree",
NO_STR "Prefix tree for number rewriting\n")
{
talloc_free(_nat->num_rewr_trie);
_nat->num_rewr_trie = NULL;
talloc_free(_nat->num_rewr_trie_name);
_nat->num_rewr_trie_name = NULL;
return CMD_SUCCESS;
}
DEFUN(show_prefix_tree, show_prefix_tree_cmd,
"show prefix-tree",
SHOW_STR "Prefix tree for number rewriting\n")
{
if (!_nat->num_rewr_trie) {
vty_out(vty, "%% there is now prefix tree loaded.%s",
VTY_NEWLINE);
return CMD_WARNING;
}
nat_rewrite_dump_vty(vty, _nat->num_rewr_trie);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_ussd_lst_name,
cfg_nat_ussd_lst_name_cmd,
"ussd-list-name NAME",
"Set the name of the access list to check for IMSIs for USSD message\n"
"The name of the access list for HLR USSD handling")
{
bsc_replace_string(_nat, &_nat->ussd_lst_name, argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_ussd_query,
cfg_nat_ussd_query_cmd,
"ussd-query REGEXP",
"Set the USSD query to match with the ussd-list-name\n"
"The query to match")
{
if (gsm_parse_reg(_nat, &_nat->ussd_query_re, &_nat->ussd_query, argc, argv) != 0)
return CMD_WARNING;
return CMD_SUCCESS;
}
DEFUN(cfg_nat_ussd_token,
cfg_nat_ussd_token_cmd,
"ussd-token TOKEN",
"Set the token used to identify the USSD module\n" "Secret key\n")
{
bsc_replace_string(_nat, &_nat->ussd_token, argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_ussd_local,
cfg_nat_ussd_local_cmd,
"ussd-local-ip A.B.C.D",
"Set the IP to listen for the USSD Provider\n" "IP Address\n")
{
bsc_replace_string(_nat, &_nat->ussd_local, argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_nat_use_ipa_for_mgcp,
cfg_nat_use_ipa_for_mgcp_cmd,
"use-msc-ipa-for-mgcp",
"This needs to be set at start. Handle MGCP messages through "
"the IPA protocol and not through the UDP socket.\n")
{
if (_nat->mgcp_cfg->data)
vty_out(vty,
"%%the setting will not be applied right now.%s",
VTY_NEWLINE);
_nat->mgcp_ipa = 1;
return CMD_SUCCESS;
}
/* per BSC configuration */
DEFUN(cfg_bsc, cfg_bsc_cmd, "bsc BSC_NR",
"BSC configuration\n" "Identifier of the BSC\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");
} else
bsc = bsc_config_num(_nat, bsc_nr);
if (!bsc)
return CMD_WARNING;
vty->index = bsc;
vty->node = NAT_BSC_NODE;
return CMD_SUCCESS;
}
DEFUN(cfg_bsc_token, cfg_bsc_token_cmd, "token TOKEN",
"Authentication token configuration\n"
"Token of the BSC, currently transferred in cleartext\n")
{
struct bsc_config *conf = vty->index;
bsc_replace_string(conf, &conf->token, argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_bsc_lac, cfg_bsc_lac_cmd, "location_area_code <0-65535>",
"Add the Location Area Code (LAC) of this BSC\n" "LAC\n")
{
struct bsc_config *tmp;
struct bsc_config *conf = vty->index;
int lac = atoi(argv[0]);
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 (bsc_config_handles_lac(tmp, lac)) {
vty_out(vty, "%% LAC %d is already used.%s", lac, VTY_NEWLINE);
return CMD_ERR_INCOMPLETE;
}
}
bsc_config_add_lac(conf, lac);
return CMD_SUCCESS;
}
DEFUN(cfg_bsc_no_lac, cfg_bsc_no_lac_cmd,
"no location_area_code <0-65535>",
NO_STR "Remove the Location Area Code (LAC) of this BSC\n" "LAC\n")
{
int lac = atoi(argv[0]);
struct bsc_config *conf = vty->index;
bsc_config_del_lac(conf, lac);
return CMD_SUCCESS;
}
DEFUN(cfg_lst_imsi_allow,
cfg_lst_imsi_allow_cmd,
"access-list NAME imsi-allow [REGEXP]",
"Access list commands\n"
"Name of the access list\n"
"Add allowed IMSI to the list\n"
"Regexp for IMSIs\n")
{
struct bsc_nat_acc_lst *acc;
struct bsc_nat_acc_lst_entry *entry;
acc = bsc_nat_acc_lst_get(_nat, argv[0]);
if (!acc)
return CMD_WARNING;
entry = bsc_nat_acc_lst_entry_create(acc);
if (!entry)
return CMD_WARNING;
if (gsm_parse_reg(acc, &entry->imsi_allow_re, &entry->imsi_allow, argc - 1, &argv[1]) != 0)
return CMD_WARNING;
return CMD_SUCCESS;
}
DEFUN(cfg_lst_imsi_deny,
cfg_lst_imsi_deny_cmd,
"access-list NAME imsi-deny [REGEXP] (<0-256>) (<0-256>)",
"Access list commands\n"
"Name of the access list\n"
"Add denied IMSI to the list\n"
"Regexp for IMSIs\n"
"CM Service Reject reason\n"
"LU Reject reason\n")
{
struct bsc_nat_acc_lst *acc;
struct bsc_nat_acc_lst_entry *entry;
acc = bsc_nat_acc_lst_get(_nat, argv[0]);
if (!acc)
return CMD_WARNING;
entry = bsc_nat_acc_lst_entry_create(acc);
if (!entry)
return CMD_WARNING;
if (gsm_parse_reg(acc, &entry->imsi_deny_re, &entry->imsi_deny, argc - 1, &argv[1]) != 0)
return CMD_WARNING;
if (argc >= 3)
entry->cm_reject_cause = atoi(argv[2]);
if (argc >= 4)
entry->lu_reject_cause = atoi(argv[3]);
return CMD_SUCCESS;
}
/* naming to follow Zebra... */
DEFUN(cfg_lst_no,
cfg_lst_no_cmd,
"no access-list NAME",
NO_STR "Remove an access-list by name\n"
"The access-list to remove\n")
{
struct bsc_nat_acc_lst *acc;
acc = bsc_nat_acc_lst_find(_nat, argv[0]);
if (!acc)
return CMD_WARNING;
bsc_nat_acc_lst_delete(acc);
return CMD_SUCCESS;
}
DEFUN(show_acc_lst,
show_acc_lst_cmd,
"show access-list NAME",
SHOW_STR "IMSI access list\n" "Name of the access list\n")
{
struct bsc_nat_acc_lst *acc;
acc = bsc_nat_acc_lst_find(_nat, argv[0]);
if (!acc)
return CMD_WARNING;
vty_out(vty, "access-list %s%s", acc->name, VTY_NEWLINE);
vty_out_rate_ctr_group(vty, " ", acc->stats);
return CMD_SUCCESS;
}
DEFUN(show_bar_lst,
show_bar_lst_cmd,
"show imsi-black-list",
SHOW_STR "IMSIs barred from the network\n")
{
struct rb_node *node;
vty_out(vty, "IMSIs barred from the network:%s", VTY_NEWLINE);
for (node = rb_first(&_nat->imsi_black_list); node; node = rb_next(node)) {
struct bsc_nat_barr_entry *entry;
entry = rb_entry(node, struct bsc_nat_barr_entry, node);
vty_out(vty, " IMSI(%s) CM-Reject-Cause(%d) LU-Reject-Cause(%d)%s",
entry->imsi, entry->cm_reject_cause, entry->lu_reject_cause,
VTY_NEWLINE);
}
return CMD_SUCCESS;
}
DEFUN(cfg_bsc_acc_lst_name,
cfg_bsc_acc_lst_name_cmd,
"access-list-name NAME",
"Set the name of the access list to use.\n"
"The name of the to be used access list.")
{
struct bsc_config *conf = vty->index;
bsc_replace_string(conf, &conf->acc_lst_name, argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_bsc_no_acc_lst_name,
cfg_bsc_no_acc_lst_name_cmd,
"no access-list-name",
NO_STR "Do not use an access-list for the BSC.\n")
{
struct bsc_config *conf = vty->index;
if (conf->acc_lst_name) {
talloc_free(conf->acc_lst_name);
conf->acc_lst_name = NULL;
}
return CMD_SUCCESS;
}
DEFUN(cfg_bsc_max_endps, cfg_bsc_max_endps_cmd,
"max-endpoints <1-1024>",
"Highest endpoint to use (exclusively)\n" "Number of ports\n")
{
struct bsc_config *conf = vty->index;
conf->max_endpoints = atoi(argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_bsc_paging,
cfg_bsc_paging_cmd,
"paging forbidden (0|1)",
PAGING_STR "Forbid sending PAGING REQUESTS to the BSC.\n"
"Do not forbid\n" "Forbid\n")
{
struct bsc_config *conf = vty->index;
if (strcmp("1", argv[0]) == 0)
conf->forbid_paging = 1;
else
conf->forbid_paging = 0;
return CMD_SUCCESS;
}
DEFUN(cfg_bsc_desc,
cfg_bsc_desc_cmd,
"description DESC",
"Provide a description for the given BSC.\n" "Description\n")
{
struct bsc_config *conf = vty->index;
bsc_replace_string(conf, &conf->description, argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_bsc_paging_grp,
cfg_bsc_paging_grp_cmd,
"paging group <0-1000>",
PAGING_STR "Use a paging group\n" "Paging Group to use\n")
{
struct bsc_config *conf = vty->index;
conf->paging_group = atoi(argv[0]);
return CMD_SUCCESS;
}
ALIAS_DEPRECATED(cfg_bsc_paging_grp, cfg_bsc_old_grp_cmd,
"paging-group <0-1000>",
"Use a paging group\n" "Paging Group to use\n")
DEFUN(cfg_bsc_no_paging_grp,
cfg_bsc_no_paging_grp_cmd,
"no paging group",
NO_STR PAGING_STR "Disable the usage of a paging group.\n")
{
struct bsc_config *conf = vty->index;
conf->paging_group = PAGIN_GROUP_UNASSIGNED;
return CMD_SUCCESS;
}
DEFUN(test_regex, test_regex_cmd,
"test regex PATTERN STRING",
"Test utilities\n"
"Regexp testing\n" "The regexp pattern\n"
"The string to match\n")
{
regex_t reg;
char *str = NULL;
memset(&reg, 0, sizeof(reg));
if (gsm_parse_reg(_nat, &reg, &str, 1, argv) != 0)
return CMD_WARNING;
vty_out(vty, "String matches allow pattern: %d%s",
regexec(&reg, argv[1], 0, NULL, 0) == 0, VTY_NEWLINE);
talloc_free(str);
regfree(&reg);
return CMD_SUCCESS;
}
DEFUN(set_last_endp, set_last_endp_cmd,
"set bsc last-used-endpoint <0-9999999999> <0-1024>",
"Set a value\n" "Operate on a BSC\n"
"Last used endpoint for an assignment\n" "BSC configuration number\n"
"Endpoint number used\n")
{
struct bsc_connection *con;
int nr = atoi(argv[0]);
int endp = atoi(argv[1]);
llist_for_each_entry(con, &_nat->bsc_connections, list_entry) {
if (!con->cfg)
continue;
if (con->cfg->nr != nr)
continue;
con->last_endpoint = endp;
vty_out(vty, "Updated the last endpoint for %d to %d.%s",
con->cfg->nr, con->last_endpoint, VTY_NEWLINE);
}
return CMD_SUCCESS;
}
DEFUN(block_new_conn, block_new_conn_cmd,
"nat-block (block|unblock)",
"Block the NAT for new connections\n"
"Block\n" "Unblock\n")
{
_nat->blocked = argv[0][0] == 'b';
vty_out(vty, "%%Going to %s the NAT.%s",
_nat->blocked ? "block" : "unblock", VTY_NEWLINE);
return CMD_SUCCESS;
}
/* paging group */
DEFUN(cfg_nat_pgroup, cfg_nat_pgroup_cmd,
"paging-group <0-1000>",
"Create a Paging Group\n" "Number of the Group\n")
{
int group = atoi(argv[0]);
struct bsc_nat_paging_group *pgroup;
pgroup = bsc_nat_paging_group_num(_nat, group);
if (!pgroup)
pgroup = bsc_nat_paging_group_create(_nat, group);
if (!pgroup) {
vty_out(vty, "Failed to create the group.%s", VTY_NEWLINE);
return CMD_WARNING;
}
vty->index = pgroup;
vty->node = PGROUP_NODE;
return CMD_SUCCESS;
}
DEFUN(cfg_nat_no_pgroup, cfg_nat_no_pgroup_cmd,
"no paging-group <0-1000>",
NO_STR "Delete paging-group\n" "Paging-group number\n")
{
int group = atoi(argv[0]);
struct bsc_nat_paging_group *pgroup;
pgroup = bsc_nat_paging_group_num(_nat, group);
if (!pgroup) {
vty_out(vty, "No such paging group %d.%s", group, VTY_NEWLINE);
return CMD_WARNING;
}
bsc_nat_paging_group_delete(pgroup);
return CMD_SUCCESS;
}
DEFUN(cfg_pgroup_lac, cfg_pgroup_lac_cmd,
"location_area_code <0-65535>",
"Add the Location Area Code (LAC)\n" "LAC\n")
{
struct bsc_nat_paging_group *pgroup = vty->index;
int lac = atoi(argv[0]);
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;
}
bsc_nat_paging_group_add_lac(pgroup, lac);
return CMD_SUCCESS;
}
DEFUN(cfg_pgroup_no_lac, cfg_pgroup_no_lac_cmd,
"no location_area_code <0-65535>",
NO_STR "Remove the Location Area Code (LAC)\n" "LAC\n")
{
int lac = atoi(argv[0]);
struct bsc_nat_paging_group *pgroup = vty->index;
bsc_nat_paging_group_del_lac(pgroup, lac);
return CMD_SUCCESS;
}
DEFUN(show_ussd_connection,
show_ussd_connection_cmd,
"show ussd-connection",
SHOW_STR "USSD connection related information\n")
{
vty_out(vty, "The USSD side channel provider is %sconnected and %sauthorized.%s",
_nat->ussd_con ? "" : "not ",
_nat->ussd_con && _nat->ussd_con->authorized? "" : "not ",
VTY_NEWLINE);
return CMD_SUCCESS;
}
#define OSMUX_STR "RTP multiplexing"
DEFUN(cfg_bsc_osmux,
cfg_bsc_osmux_cmd,
"osmux (on|off)",
OSMUX_STR "Enable OSMUX\n" "Disable OSMUX\n")
{
struct bsc_config *conf = vty->index;
if (strcmp(argv[0], "on") == 0)
conf->osmux = 1;
else if (strcmp(argv[0], "off") == 0)
conf->osmux = 0;
return CMD_SUCCESS;
}
int bsc_nat_vty_init(struct bsc_nat *nat)
{
_nat = nat;
/* show commands */
install_element_ve(&show_sccp_cmd);
install_element_ve(&show_bsc_cmd);
install_element_ve(&show_bsc_cfg_cmd);
install_element_ve(&show_stats_cmd);
install_element_ve(&show_stats_lac_cmd);
install_element_ve(&close_bsc_cmd);
install_element_ve(&show_msc_cmd);
install_element_ve(&test_regex_cmd);
install_element_ve(&show_bsc_mgcp_cmd);
install_element_ve(&show_acc_lst_cmd);
install_element_ve(&show_bar_lst_cmd);
install_element_ve(&show_prefix_tree_cmd);
install_element_ve(&show_ussd_connection_cmd);
install_element(ENABLE_NODE, &set_last_endp_cmd);
install_element(ENABLE_NODE, &block_new_conn_cmd);
/* nat group */
install_element(CONFIG_NODE, &cfg_nat_cmd);
install_node(&nat_node, config_write_nat);
vty_install_default(NAT_NODE);
install_element(NAT_NODE, &cfg_nat_msc_ip_cmd);
install_element(NAT_NODE, &cfg_nat_msc_port_cmd);
install_element(NAT_NODE, &cfg_nat_auth_time_cmd);
install_element(NAT_NODE, &cfg_nat_ping_time_cmd);
install_element(NAT_NODE, &cfg_nat_pong_time_cmd);
install_element(NAT_NODE, &cfg_nat_token_cmd);
install_element(NAT_NODE, &cfg_nat_bsc_ip_dscp_cmd);
install_element(NAT_NODE, &cfg_nat_bsc_ip_tos_cmd);
install_element(NAT_NODE, &cfg_nat_acc_lst_name_cmd);
install_element(NAT_NODE, &cfg_nat_no_acc_lst_name_cmd);
install_element(NAT_NODE, &cfg_nat_imsi_black_list_fn_cmd);
install_element(NAT_NODE, &cfg_nat_no_imsi_black_list_fn_cmd);
install_element(NAT_NODE, &cfg_nat_ussd_lst_name_cmd);
install_element(NAT_NODE, &cfg_nat_ussd_query_cmd);
install_element(NAT_NODE, &cfg_nat_ussd_token_cmd);
install_element(NAT_NODE, &cfg_nat_ussd_local_cmd);
install_element(NAT_NODE, &cfg_nat_use_ipa_for_mgcp_cmd);
/* access-list */
install_element(NAT_NODE, &cfg_lst_imsi_allow_cmd);
install_element(NAT_NODE, &cfg_lst_imsi_deny_cmd);
install_element(NAT_NODE, &cfg_lst_no_cmd);
/* number rewriting */
install_element(NAT_NODE, &cfg_nat_number_rewrite_cmd);
install_element(NAT_NODE, &cfg_nat_no_number_rewrite_cmd);
install_element(NAT_NODE, &cfg_nat_number_rewrite_post_cmd);
install_element(NAT_NODE, &cfg_nat_no_number_rewrite_post_cmd);
install_element(NAT_NODE, &cfg_nat_smsc_addr_cmd);
install_element(NAT_NODE, &cfg_nat_smsc_tpdest_cmd);
install_element(NAT_NODE, &cfg_nat_sms_clear_tpsrr_cmd);
install_element(NAT_NODE, &cfg_nat_no_sms_clear_tpsrr_cmd);
install_element(NAT_NODE, &cfg_nat_sms_number_rewrite_cmd);
install_element(NAT_NODE, &cfg_nat_no_sms_number_rewrite_cmd);
install_element(NAT_NODE, &cfg_nat_prefix_trie_cmd);
install_element(NAT_NODE, &cfg_nat_no_prefix_trie_cmd);
install_element(NAT_NODE, &cfg_nat_pgroup_cmd);
install_element(NAT_NODE, &cfg_nat_no_pgroup_cmd);
install_node(&pgroup_node, config_write_pgroup);
vty_install_default(PGROUP_NODE);
install_element(PGROUP_NODE, &cfg_pgroup_lac_cmd);
install_element(PGROUP_NODE, &cfg_pgroup_no_lac_cmd);
/* BSC subgroups */
install_element(NAT_NODE, &cfg_bsc_cmd);
install_node(&bsc_node, config_write_bsc);
vty_install_default(NAT_BSC_NODE);
install_element(NAT_BSC_NODE, &cfg_bsc_token_cmd);
install_element(NAT_BSC_NODE, &cfg_bsc_lac_cmd);
install_element(NAT_BSC_NODE, &cfg_bsc_no_lac_cmd);
install_element(NAT_BSC_NODE, &cfg_bsc_paging_cmd);
install_element(NAT_BSC_NODE, &cfg_bsc_desc_cmd);
install_element(NAT_BSC_NODE, &cfg_bsc_acc_lst_name_cmd);
install_element(NAT_BSC_NODE, &cfg_bsc_no_acc_lst_name_cmd);
install_element(NAT_BSC_NODE, &cfg_bsc_max_endps_cmd);
install_element(NAT_BSC_NODE, &cfg_bsc_old_grp_cmd);
install_element(NAT_BSC_NODE, &cfg_bsc_paging_grp_cmd);
install_element(NAT_BSC_NODE, &cfg_bsc_no_paging_grp_cmd);
install_element(NAT_BSC_NODE, &cfg_bsc_osmux_cmd);
mgcp_vty_init();
return 0;
}
/* called by the telnet interface... we have our own init above */
int bsc_vty_init(const struct log_info *cat)
{
logging_vty_add_cmds(cat);
return 0;
}
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