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osmo-msc/openbsc/src/vty_interface_layer3.c

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/* OpenBSC interface to quagga VTY */
/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
* (C) 2009 by Holger Hans Peter Freyther
* 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 <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <vty/command.h>
#include <vty/buffer.h>
#include <vty/vty.h>
#include <arpa/inet.h>
#include <osmocore/linuxlist.h>
#include <openbsc/gsm_data.h>
#include <openbsc/gsm_subscriber.h>
#include <openbsc/silent_call.h>
#include <openbsc/gsm_04_11.h>
#include <openbsc/e1_input.h>
#include <openbsc/abis_nm.h>
#include <osmocore/gsm_utils.h>
#include <openbsc/db.h>
#include <osmocore/talloc.h>
#include <openbsc/signal.h>
#include <openbsc/debug.h>
static struct gsm_network *gsmnet;
struct cmd_node subscr_node = {
SUBSCR_NODE,
"%s(subscriber)#",
1,
};
static int dummy_config_write(struct vty *v)
{
return CMD_SUCCESS;
}
static struct buffer *argv_to_buffer(int argc, const char *argv[], int base)
{
struct buffer *b = buffer_new(1024);
int i;
if (!b)
return NULL;
for (i = base; i < argc; i++) {
buffer_putstr(b, argv[i]);
buffer_putc(b, ' ');
}
buffer_putc(b, '\0');
return b;
}
static int hexparse(const char *str, u_int8_t *b, int max_len)
{
int i, l, v;
l = strlen(str);
if ((l&1) || ((l>>1) > max_len))
return -1;
memset(b, 0x00, max_len);
for (i=0; i<l; i++) {
char c = str[i];
if (c >= '0' && c <= '9')
v = c - '0';
else if (c >= 'a' && c <= 'f')
v = 10 + (c - 'a');
else if (c >= 'A' && c <= 'F')
v = 10 + (c - 'a');
else
return -1;
b[i>>1] |= v << (i&1 ? 0 : 4);
}
return i>>1;
}
/* per-subscriber configuration */
DEFUN(cfg_subscr,
cfg_subscr_cmd,
"subscriber IMSI",
"Select a Subscriber to configure\n")
{
const char *imsi = argv[0];
struct gsm_subscriber *subscr;
subscr = subscr_get_by_imsi(gsmnet, imsi);
if (!subscr) {
vty_out(vty, "%% No subscriber for IMSI %s%s",
imsi, VTY_NEWLINE);
return CMD_WARNING;
}
/* vty_go_parent should put this subscriber */
vty->index = subscr;
vty->node = SUBSCR_NODE;
return CMD_SUCCESS;
}
static void subscr_dump_full_vty(struct vty *vty, struct gsm_subscriber *subscr)
{
int rc;
struct gsm_auth_info ainfo;
struct gsm_auth_tuple atuple;
vty_out(vty, " ID: %llu, Authorized: %d%s", subscr->id,
subscr->authorized, VTY_NEWLINE);
if (subscr->name)
vty_out(vty, " Name: '%s'%s", subscr->name, VTY_NEWLINE);
if (subscr->extension)
vty_out(vty, " Extension: %s%s", subscr->extension,
VTY_NEWLINE);
if (subscr->imsi)
vty_out(vty, " IMSI: %s%s", subscr->imsi, VTY_NEWLINE);
if (subscr->tmsi != GSM_RESERVED_TMSI)
vty_out(vty, " TMSI: %08X%s", subscr->tmsi,
VTY_NEWLINE);
rc = get_authinfo_by_subscr(&ainfo, subscr);
if (!rc) {
vty_out(vty, " A3A8 algorithm id: %d%s",
ainfo.auth_algo, VTY_NEWLINE);
vty_out(vty, " A3A8 Ki: %s%s",
hexdump(ainfo.a3a8_ki, ainfo.a3a8_ki_len),
VTY_NEWLINE);
}
rc = get_authtuple_by_subscr(&atuple, subscr);
if (!rc) {
vty_out(vty, " A3A8 last tuple (used %d times):%s",
atuple.use_count, VTY_NEWLINE);
vty_out(vty, " seq # : %d%s",
atuple.key_seq, VTY_NEWLINE);
vty_out(vty, " RAND : %s%s",
hexdump(atuple.rand, sizeof(atuple.rand)),
VTY_NEWLINE);
vty_out(vty, " SRES : %s%s",
hexdump(atuple.sres, sizeof(atuple.sres)),
VTY_NEWLINE);
vty_out(vty, " Kc : %s%s",
hexdump(atuple.kc, sizeof(atuple.kc)),
VTY_NEWLINE);
}
vty_out(vty, " Use count: %u%s", subscr->use_count, VTY_NEWLINE);
}
/* Subscriber */
DEFUN(show_subscr,
show_subscr_cmd,
"show subscriber [IMSI]",
SHOW_STR "Display information about a subscriber\n")
{
const char *imsi;
struct gsm_subscriber *subscr;
if (argc >= 1) {
imsi = argv[0];
subscr = subscr_get_by_imsi(gsmnet, imsi);
if (!subscr) {
vty_out(vty, "%% unknown subscriber%s",
VTY_NEWLINE);
return CMD_WARNING;
}
subscr_dump_full_vty(vty, subscr);
subscr_put(subscr);
return CMD_SUCCESS;
}
/* FIXME: iterate over all subscribers ? */
return CMD_WARNING;
return CMD_SUCCESS;
}
DEFUN(show_subscr_cache,
show_subscr_cache_cmd,
"show subscriber cache",
SHOW_STR "Display contents of subscriber cache\n")
{
struct gsm_subscriber *subscr;
llist_for_each_entry(subscr, &active_subscribers, entry) {
vty_out(vty, " Subscriber:%s", VTY_NEWLINE);
subscr_dump_full_vty(vty, subscr);
}
return CMD_SUCCESS;
}
DEFUN(sms_send_pend,
sms_send_pend_cmd,
"sms send pending",
"Send all pending SMS")
{
struct gsm_sms *sms;
int id = 0;
while (1) {
sms = db_sms_get_unsent_by_subscr(gsmnet, id);
if (!sms)
break;
gsm411_send_sms_subscr(sms->receiver, sms);
id = sms->receiver->id + 1;
}
return CMD_SUCCESS;
}
struct gsm_sms *sms_from_text(struct gsm_subscriber *receiver, const char *text)
{
struct gsm_sms *sms = sms_alloc();
if (!sms)
return NULL;
if (!receiver->lac) {
/* subscriber currently not attached, store in database? */
return NULL;
}
sms->receiver = subscr_get(receiver);
strncpy(sms->text, text, sizeof(sms->text)-1);
/* FIXME: don't use ID 1 static */
sms->sender = subscr_get_by_id(gsmnet, 1);
sms->reply_path_req = 0;
sms->status_rep_req = 0;
sms->ud_hdr_ind = 0;
sms->protocol_id = 0; /* implicit */
sms->data_coding_scheme = 0; /* default 7bit */
strncpy(sms->dest_addr, receiver->extension, sizeof(sms->dest_addr)-1);
/* Generate user_data */
sms->user_data_len = gsm_7bit_encode(sms->user_data, sms->text);
return sms;
}
static int _send_sms_buffer(struct gsm_subscriber *receiver,
struct buffer *b, u_int8_t tp_pid)
{
struct gsm_sms *sms;
sms = sms_from_text(receiver, buffer_getstr(b));
sms->protocol_id = tp_pid;
gsm411_send_sms_subscr(receiver, sms);
return CMD_SUCCESS;
}
static struct gsm_subscriber *get_subscr_by_argv(const char *type,
const char *id)
{
if (!strcmp(type, "extension"))
return subscr_get_by_extension(gsmnet, id);
else if (!strcmp(type, "imsi"))
return subscr_get_by_imsi(gsmnet, id);
else if (!strcmp(type, "tmsi"))
return subscr_get_by_tmsi(gsmnet, atoi(id));
else if (!strcmp(type, "id"))
return subscr_get_by_id(gsmnet, atoi(id));
return NULL;
}
#define SUBSCR_TYPES "(extension|imsi|tmsi|id)"
DEFUN(subscriber_send_sms,
subscriber_send_sms_cmd,
"subscriber " SUBSCR_TYPES " EXTEN sms send .LINE",
"Select subscriber based on extension")
{
struct gsm_subscriber *subscr = get_subscr_by_argv(argv[0], argv[1]);
struct buffer *b;
int rc;
if (!subscr) {
vty_out(vty, "%% No subscriber found for %s %s%s",
argv[0], argv[1], VTY_NEWLINE);
return CMD_WARNING;
}
b = argv_to_buffer(argc, argv, 2);
rc = _send_sms_buffer(subscr, b, 0);
buffer_free(b);
subscr_put(subscr);
return rc;
}
DEFUN(subscriber_silent_sms,
subscriber_silent_sms_cmd,
"subscriber " SUBSCR_TYPES " EXTEN silent sms send .LINE",
"Select subscriber based on extension")
{
struct gsm_subscriber *subscr = get_subscr_by_argv(argv[0], argv[1]);
struct buffer *b;
int rc;
if (!subscr) {
vty_out(vty, "%% No subscriber found for %s %s%s",
argv[0], argv[1], VTY_NEWLINE);
return CMD_WARNING;
}
b = argv_to_buffer(argc, argv, 2);
rc = _send_sms_buffer(subscr, b, 64);
buffer_free(b);
subscr_put(subscr);
return rc;
}
DEFUN(subscriber_silent_call_start,
subscriber_silent_call_start_cmd,
"subscriber " SUBSCR_TYPES " EXTEN silent call start (any|tch/f|tch/any|sdcch)",
"Start a silent call to a subscriber")
{
struct gsm_subscriber *subscr = get_subscr_by_argv(argv[0], argv[1]);
int rc, type;
if (!subscr) {
vty_out(vty, "%% No subscriber found for %s %s%s",
argv[0], argv[1], VTY_NEWLINE);
return CMD_WARNING;
}
if (!strcmp(argv[2], "tch/f"))
type = RSL_CHANNEED_TCH_F;
else if (!strcmp(argv[2], "tch/any"))
type = RSL_CHANNEED_TCH_ForH;
else if (!strcmp(argv[2], "sdcch"))
type = RSL_CHANNEED_SDCCH;
else
type = RSL_CHANNEED_ANY; /* Defaults to ANY */
rc = gsm_silent_call_start(subscr, vty, type);
if (rc <= 0) {
vty_out(vty, "%% Subscriber not attached%s",
VTY_NEWLINE);
subscr_put(subscr);
return CMD_WARNING;
}
subscr_put(subscr);
return CMD_SUCCESS;
}
DEFUN(subscriber_silent_call_stop,
subscriber_silent_call_stop_cmd,
"subscriber " SUBSCR_TYPES " EXTEN silent call stop",
"Stop a silent call to a subscriber")
{
struct gsm_subscriber *subscr = get_subscr_by_argv(argv[0], argv[1]);
int rc;
if (!subscr) {
vty_out(vty, "%% No subscriber found for %s %s%s",
argv[0], argv[1], VTY_NEWLINE);
return CMD_WARNING;
}
rc = gsm_silent_call_stop(subscr);
if (rc < 0) {
subscr_put(subscr);
return CMD_WARNING;
}
subscr_put(subscr);
return CMD_SUCCESS;
}
DEFUN(cfg_subscr_name,
cfg_subscr_name_cmd,
"name NAME",
"Set the name of the subscriber")
{
const char *name = argv[0];
struct gsm_subscriber *subscr = vty->index;
strncpy(subscr->name, name, sizeof(subscr->name));
db_sync_subscriber(subscr);
return CMD_SUCCESS;
}
DEFUN(cfg_subscr_extension,
cfg_subscr_extension_cmd,
"extension EXTENSION",
"Set the extension of the subscriber")
{
const char *name = argv[0];
struct gsm_subscriber *subscr = vty->index;
strncpy(subscr->extension, name, sizeof(subscr->extension));
db_sync_subscriber(subscr);
return CMD_SUCCESS;
}
DEFUN(cfg_subscr_authorized,
cfg_subscr_authorized_cmd,
"auth <0-1>",
"Set the authorization status of the subscriber")
{
int auth = atoi(argv[0]);
struct gsm_subscriber *subscr = vty->index;
if (auth)
subscr->authorized = 1;
else
subscr->authorized = 0;
db_sync_subscriber(subscr);
return CMD_SUCCESS;
}
#define A3A8_ALG_TYPES "(none|comp128v1)"
DEFUN(cfg_subscr_a3a8,
cfg_subscr_a3a8_cmd,
"a3a8 " A3A8_ALG_TYPES " [KI]",
"Set a3a8 parameters for the subscriber")
{
struct gsm_subscriber *subscr = vty->index;
const char *alg_str = argv[0];
const char *ki_str = argv[1];
struct gsm_auth_info ainfo;
int rc;
if (!strcasecmp(alg_str, "none")) {
/* Just erase */
rc = set_authinfo_for_subscr(NULL, subscr);
} else if (!strcasecmp(alg_str, "comp128v1")) {
/* Parse hex string Ki */
rc = hexparse(ki_str, ainfo.a3a8_ki, sizeof(ainfo.a3a8_ki));
if (rc != 16)
return CMD_WARNING;
/* Set the infos */
ainfo.auth_algo = AUTH_ALGO_COMP128v1;
ainfo.a3a8_ki_len = rc;
rc = set_authinfo_for_subscr(&ainfo, subscr);
} else {
/* Unknown method */
return CMD_WARNING;
}
return rc ? CMD_WARNING : CMD_SUCCESS;
}
static int scall_cbfn(unsigned int subsys, unsigned int signal,
void *handler_data, void *signal_data)
{
struct scall_signal_data *sigdata = signal_data;
struct vty *vty = sigdata->data;
switch (signal) {
case S_SCALL_SUCCESS:
vty_out(vty, "%% silent call on ARFCN %u timeslot %u%s",
sigdata->lchan->ts->trx->arfcn, sigdata->lchan->ts->nr,
VTY_NEWLINE);
break;
case S_SCALL_EXPIRED:
vty_out(vty, "%% silent call expired paging%s", VTY_NEWLINE);
break;
}
return 0;
}
int bsc_vty_init_extra(struct gsm_network *net)
{
gsmnet = net;
register_signal_handler(SS_SCALL, scall_cbfn, NULL);
install_element(VIEW_NODE, &show_subscr_cmd);
install_element(VIEW_NODE, &show_subscr_cache_cmd);
install_element(VIEW_NODE, &sms_send_pend_cmd);
install_element(VIEW_NODE, &subscriber_send_sms_cmd);
install_element(VIEW_NODE, &subscriber_silent_sms_cmd);
install_element(VIEW_NODE, &subscriber_silent_call_start_cmd);
install_element(VIEW_NODE, &subscriber_silent_call_stop_cmd);
install_element(CONFIG_NODE, &cfg_subscr_cmd);
install_node(&subscr_node, dummy_config_write);
install_default(SUBSCR_NODE);
install_element(SUBSCR_NODE, &cfg_subscr_name_cmd);
install_element(SUBSCR_NODE, &cfg_subscr_extension_cmd);
install_element(SUBSCR_NODE, &cfg_subscr_authorized_cmd);
install_element(SUBSCR_NODE, &cfg_subscr_a3a8_cmd);
return 0;
}
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