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osmo-bsc/src/gprs/gb_proxy_vty.c

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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 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 <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include <time.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/rate_ctr.h>
#include <openbsc/gsm_04_08.h>
#include <osmocom/gprs/gprs_ns.h>
#include <openbsc/debug.h>
#include <openbsc/gb_proxy.h>
#include <openbsc/gprs_utils.h>
#include <openbsc/vty.h>
#include <osmocom/vty/command.h>
#include <osmocom/vty/vty.h>
#include <osmocom/vty/misc.h>
static struct gbproxy_config *g_cfg = NULL;
/*
* vty code for mgcp below
*/
static struct cmd_node gbproxy_node = {
GBPROXY_NODE,
"%s(config-gbproxy)# ",
1,
};
static const struct value_string keep_modes[] = {
{GBPROX_KEEP_NEVER, "never"},
{GBPROX_KEEP_REATTACH, "re-attach"},
{GBPROX_KEEP_IDENTIFIED, "identified"},
{GBPROX_KEEP_ALWAYS, "always"},
{0, NULL}
};
static const struct value_string match_ids[] = {
{GBPROX_MATCH_PATCHING, "patching"},
{GBPROX_MATCH_ROUTING, "routing"},
{0, NULL}
};
static void gbprox_vty_print_peer(struct vty *vty, struct gbproxy_peer *peer)
{
struct gprs_ra_id raid;
gsm48_parse_ra(&raid, peer->ra);
vty_out(vty, "NSEI %5u, PTP-BVCI %5u, "
"RAI %u-%u-%u-%u",
peer->nsei, peer->bvci,
raid.mcc, raid.mnc, raid.lac, raid.rac);
if (peer->blocked)
vty_out(vty, " [BVC-BLOCKED]");
vty_out(vty, "%s", VTY_NEWLINE);
}
static int config_write_gbproxy(struct vty *vty)
{
enum gbproxy_match_id match_id;
vty_out(vty, "gbproxy%s", VTY_NEWLINE);
vty_out(vty, " sgsn nsei %u%s", g_cfg->nsip_sgsn_nsei,
VTY_NEWLINE);
if (g_cfg->core_mcc > 0)
vty_out(vty, " core-mobile-country-code %d%s",
g_cfg->core_mcc, VTY_NEWLINE);
if (g_cfg->core_mnc > 0)
vty_out(vty, " core-mobile-network-code %d%s",
g_cfg->core_mnc, VTY_NEWLINE);
for (match_id = 0; match_id < ARRAY_SIZE(g_cfg->matches); ++match_id) {
struct gbproxy_match *match = &g_cfg->matches[match_id];
if (match->re_str)
vty_out(vty, " match-imsi %s %s%s",
get_value_string(match_ids, match_id),
match->re_str, VTY_NEWLINE);
}
if (g_cfg->core_apn != NULL) {
if (g_cfg->core_apn_size > 0) {
char str[500] = {0};
vty_out(vty, " core-access-point-name %s%s",
gprs_apn_to_str(str, g_cfg->core_apn,
g_cfg->core_apn_size),
VTY_NEWLINE);
} else {
vty_out(vty, " core-access-point-name none%s",
VTY_NEWLINE);
}
}
if (g_cfg->route_to_sgsn2)
vty_out(vty, " secondary-sgsn nsei %u%s", g_cfg->nsip_sgsn2_nsei,
VTY_NEWLINE);
if (g_cfg->tlli_max_age > 0)
vty_out(vty, " link-list max-age %d%s",
g_cfg->tlli_max_age, VTY_NEWLINE);
if (g_cfg->tlli_max_len > 0)
vty_out(vty, " link-list max-length %d%s",
g_cfg->tlli_max_len, VTY_NEWLINE);
vty_out(vty, " link-list keep-mode %s%s",
get_value_string(keep_modes, g_cfg->keep_link_infos),
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_sgsn_nsei,
cfg_nsip_sgsn_nsei_cmd,
"sgsn nsei <0-65534>",
"SGSN information\n"
"NSEI to be used in the connection with the SGSN\n"
"The NSEI\n")
{
unsigned int nsei = atoi(argv[0]);
if (g_cfg->route_to_sgsn2 && g_cfg->nsip_sgsn2_nsei == nsei) {
vty_out(vty, "SGSN NSEI %d conflicts with secondary SGSN NSEI%s",
nsei, VTY_NEWLINE);
return CMD_WARNING;
}
g_cfg->nsip_sgsn_nsei = nsei;
return CMD_SUCCESS;
}
#define GBPROXY_CORE_MNC_STR "Use this network code for the core network\n"
DEFUN(cfg_gbproxy_core_mnc,
cfg_gbproxy_core_mnc_cmd,
"core-mobile-network-code <1-999>",
GBPROXY_CORE_MNC_STR "NCC value\n")
{
g_cfg->core_mnc = atoi(argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_gbproxy_no_core_mnc,
cfg_gbproxy_no_core_mnc_cmd,
"no core-mobile-network-code",
NO_STR GBPROXY_CORE_MNC_STR)
{
g_cfg->core_mnc = 0;
return CMD_SUCCESS;
}
#define GBPROXY_CORE_MCC_STR "Use this country code for the core network\n"
DEFUN(cfg_gbproxy_core_mcc,
cfg_gbproxy_core_mcc_cmd,
"core-mobile-country-code <1-999>",
GBPROXY_CORE_MCC_STR "MCC value\n")
{
g_cfg->core_mcc = atoi(argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_gbproxy_no_core_mcc,
cfg_gbproxy_no_core_mcc_cmd,
"no core-mobile-country-code",
NO_STR GBPROXY_CORE_MCC_STR)
{
g_cfg->core_mcc = 0;
return CMD_SUCCESS;
}
#define GBPROXY_MATCH_IMSI_STR "Restrict actions to certain IMSIs\n"
DEFUN(cfg_gbproxy_match_imsi,
cfg_gbproxy_match_imsi_cmd,
"match-imsi (patching|routing) .REGEXP",
GBPROXY_MATCH_IMSI_STR
"Patch MS related information elements on match only\n"
"Route to the secondary SGSN on match only\n"
"Regular expression for the IMSI match\n")
{
const char *filter = argv[1];
const char *err_msg = NULL;
struct gbproxy_match *match;
enum gbproxy_match_id match_id = get_string_value(match_ids, argv[0]);
OSMO_ASSERT(match_id >= GBPROX_MATCH_PATCHING &&
match_id < GBPROX_MATCH_LAST);
match = &g_cfg->matches[match_id];
if (gbproxy_set_patch_filter(match, filter, &err_msg) != 0) {
vty_out(vty, "Match expression invalid: %s%s",
err_msg, VTY_NEWLINE);
return CMD_WARNING;
}
g_cfg->acquire_imsi = 1;
return CMD_SUCCESS;
}
DEFUN(cfg_gbproxy_no_match_imsi,
cfg_gbproxy_no_match_imsi_cmd,
"no match-imsi",
NO_STR GBPROXY_MATCH_IMSI_STR)
{
enum gbproxy_match_id match_id;
for (match_id = 0; match_id < ARRAY_SIZE(g_cfg->matches); ++match_id)
gbproxy_clear_patch_filter(&g_cfg->matches[match_id]);
g_cfg->acquire_imsi = 0;
return CMD_SUCCESS;
}
#define GBPROXY_CORE_APN_STR "Use this access point name (APN) for the backbone\n"
#define GBPROXY_CORE_APN_ARG_STR "Replace APN by this string\n" "Remove APN\n"
static int set_core_apn(struct vty *vty, const char *apn)
{
int apn_len;
if (!apn) {
talloc_free(g_cfg->core_apn);
g_cfg->core_apn = NULL;
g_cfg->core_apn_size = 0;
return CMD_SUCCESS;
}
apn_len = strlen(apn);
if (apn_len >= 100) {
vty_out(vty, "APN string too long (max 99 chars)%s",
VTY_NEWLINE);
return CMD_WARNING;
}
if (apn_len == 0) {
talloc_free(g_cfg->core_apn);
/* TODO: replace NULL */
g_cfg->core_apn = talloc_zero_size(NULL, 2);
g_cfg->core_apn_size = 0;
} else {
/* TODO: replace NULL */
g_cfg->core_apn =
talloc_realloc_size(NULL, g_cfg->core_apn, apn_len + 1);
g_cfg->core_apn_size =
gprs_str_to_apn(g_cfg->core_apn, apn_len + 1, apn);
}
return CMD_SUCCESS;
}
DEFUN(cfg_gbproxy_core_apn,
cfg_gbproxy_core_apn_cmd,
"core-access-point-name (APN|none)",
GBPROXY_CORE_APN_STR GBPROXY_CORE_APN_ARG_STR)
{
if (strcmp(argv[0], "none") == 0)
return set_core_apn(vty, "");
else
return set_core_apn(vty, argv[0]);
}
DEFUN(cfg_gbproxy_no_core_apn,
cfg_gbproxy_no_core_apn_cmd,
"no core-access-point-name",
NO_STR GBPROXY_CORE_APN_STR)
{
return set_core_apn(vty, NULL);
}
/* TODO: Remove the patch-ptmsi command, since P-TMSI patching is enabled
* automatically when needed. This command is only left for manual testing
* (e.g. doing P-TMSI patching without using a secondary SGSN)
*/
#define GBPROXY_PATCH_PTMSI_STR "Patch P-TMSI/TLLI\n"
DEFUN(cfg_gbproxy_patch_ptmsi,
cfg_gbproxy_patch_ptmsi_cmd,
"patch-ptmsi",
GBPROXY_PATCH_PTMSI_STR)
{
g_cfg->patch_ptmsi = 1;
return CMD_SUCCESS;
}
DEFUN(cfg_gbproxy_no_patch_ptmsi,
cfg_gbproxy_no_patch_ptmsi_cmd,
"no patch-ptmsi",
NO_STR GBPROXY_PATCH_PTMSI_STR)
{
g_cfg->patch_ptmsi = 0;
return CMD_SUCCESS;
}
/* TODO: Remove the acquire-imsi command, since that feature is enabled
* automatically when IMSI matching is enabled. This command is only left for
* manual testing (e.g. doing IMSI acquisition without IMSI based patching)
*/
#define GBPROXY_ACQUIRE_IMSI_STR "Acquire the IMSI before establishing a LLC connection (Experimental)\n"
DEFUN(cfg_gbproxy_acquire_imsi,
cfg_gbproxy_acquire_imsi_cmd,
"acquire-imsi",
GBPROXY_ACQUIRE_IMSI_STR)
{
g_cfg->acquire_imsi = 1;
return CMD_SUCCESS;
}
DEFUN(cfg_gbproxy_no_acquire_imsi,
cfg_gbproxy_no_acquire_imsi_cmd,
"no acquire-imsi",
NO_STR GBPROXY_ACQUIRE_IMSI_STR)
{
g_cfg->acquire_imsi = 0;
return CMD_SUCCESS;
}
#define GBPROXY_SECOND_SGSN_STR "Route matching LLC connections to a second SGSN (Experimental)\n"
DEFUN(cfg_gbproxy_secondary_sgsn,
cfg_gbproxy_secondary_sgsn_cmd,
"secondary-sgsn nsei <0-65534>",
GBPROXY_SECOND_SGSN_STR
"NSEI to be used in the connection with the SGSN\n"
"The NSEI\n")
{
unsigned int nsei = atoi(argv[0]);
if (g_cfg->nsip_sgsn_nsei == nsei) {
vty_out(vty, "Secondary SGSN NSEI %d conflicts with primary SGSN NSEI%s",
nsei, VTY_NEWLINE);
return CMD_WARNING;
}
g_cfg->route_to_sgsn2 = 1;
g_cfg->nsip_sgsn2_nsei = nsei;
g_cfg->patch_ptmsi = 1;
return CMD_SUCCESS;
}
DEFUN(cfg_gbproxy_no_secondary_sgsn,
cfg_gbproxy_no_secondary_sgsn_cmd,
"no secondary-sgsn",
NO_STR GBPROXY_SECOND_SGSN_STR)
{
g_cfg->route_to_sgsn2 = 0;
g_cfg->nsip_sgsn2_nsei = 0xFFFF;
g_cfg->patch_ptmsi = 0;
return CMD_SUCCESS;
}
#define GBPROXY_LINK_LIST_STR "Set TLLI list parameters\n"
#define GBPROXY_MAX_AGE_STR "Limit maximum age\n"
DEFUN(cfg_gbproxy_link_list_max_age,
cfg_gbproxy_link_list_max_age_cmd,
"link-list max-age <1-999999>",
GBPROXY_LINK_LIST_STR GBPROXY_MAX_AGE_STR
"Maximum age in seconds\n")
{
g_cfg->tlli_max_age = atoi(argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_gbproxy_link_list_no_max_age,
cfg_gbproxy_link_list_no_max_age_cmd,
"no link-list max-age",
NO_STR GBPROXY_LINK_LIST_STR GBPROXY_MAX_AGE_STR)
{
g_cfg->tlli_max_age = 0;
return CMD_SUCCESS;
}
#define GBPROXY_MAX_LEN_STR "Limit list length\n"
DEFUN(cfg_gbproxy_link_list_max_len,
cfg_gbproxy_link_list_max_len_cmd,
"link-list max-length <1-99999>",
GBPROXY_LINK_LIST_STR GBPROXY_MAX_LEN_STR
"Maximum number of logical links in the list\n")
{
g_cfg->tlli_max_len = atoi(argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_gbproxy_link_list_no_max_len,
cfg_gbproxy_link_list_no_max_len_cmd,
"no link-list max-length",
NO_STR GBPROXY_LINK_LIST_STR GBPROXY_MAX_LEN_STR)
{
g_cfg->tlli_max_len = 0;
return CMD_SUCCESS;
}
DEFUN(cfg_gbproxy_link_list_keep_mode,
cfg_gbproxy_link_list_keep_mode_cmd,
"link-list keep-mode (never|re-attach|identified|always)",
GBPROXY_LINK_LIST_STR "How to keep entries for detached logical links\n"
"Discard entry immediately after detachment\n"
"Keep entry if a re-attachment has be requested\n"
"Keep entry if it associated with an IMSI\n"
"Don't discard entries after detachment\n")
{
int val = get_string_value(keep_modes, argv[0]);
OSMO_ASSERT(val >= GBPROX_KEEP_NEVER && val <= GBPROX_KEEP_ALWAYS);
g_cfg->keep_link_infos = val;
return CMD_SUCCESS;
}
DEFUN(show_gbproxy, show_gbproxy_cmd, "show gbproxy [stats]",
SHOW_STR "Display information about the Gb proxy\n" "Show statistics\n")
{
struct gbproxy_peer *peer;
int show_stats = argc >= 1;
if (show_stats)
vty_out_rate_ctr_group(vty, "", g_cfg->ctrg);
llist_for_each_entry(peer, &g_cfg->bts_peers, list) {
gbprox_vty_print_peer(vty, peer);
if (show_stats)
vty_out_rate_ctr_group(vty, " ", peer->ctrg);
}
return CMD_SUCCESS;
}
DEFUN(show_gbproxy_links, show_gbproxy_links_cmd, "show gbproxy links",
SHOW_STR "Display information about the Gb proxy\n" "Show logical links\n")
{
struct gbproxy_peer *peer;
char mi_buf[200];
time_t now;
struct timespec ts = {0,};
clock_gettime(CLOCK_MONOTONIC, &ts);
now = ts.tv_sec;
llist_for_each_entry(peer, &g_cfg->bts_peers, list) {
struct gbproxy_link_info *link_info;
struct gbproxy_patch_state *state = &peer->patch_state;
gbprox_vty_print_peer(vty, peer);
llist_for_each_entry(link_info, &state->logical_links, list) {
time_t age = now - link_info->timestamp;
int stored_msgs = 0;
struct llist_head *iter;
llist_for_each(iter, &link_info->stored_msgs)
stored_msgs++;
if (link_info->imsi > 0) {
snprintf(mi_buf, sizeof(mi_buf), "(invalid)");
gsm48_mi_to_string(mi_buf, sizeof(mi_buf),
link_info->imsi,
link_info->imsi_len);
} else {
snprintf(mi_buf, sizeof(mi_buf), "(none)");
}
vty_out(vty, " TLLI %08x, IMSI %s, AGE %d",
link_info->tlli.current, mi_buf, (int)age);
if (stored_msgs)
vty_out(vty, ", STORED %d", stored_msgs);
if (g_cfg->route_to_sgsn2)
vty_out(vty, ", SGSN NSEI %d",
link_info->sgsn_nsei);
if (link_info->is_deregistered)
vty_out(vty, ", DE-REGISTERED");
vty_out(vty, "%s", VTY_NEWLINE);
}
}
return CMD_SUCCESS;
}
DEFUN(delete_gb_bvci, delete_gb_bvci_cmd,
"delete-gbproxy-peer <0-65534> bvci <2-65534>",
"Delete a GBProxy peer by NSEI and optionally BVCI\n"
"NSEI number\n"
"Only delete peer with a matching BVCI\n"
"BVCI number\n")
{
const uint16_t nsei = atoi(argv[0]);
const uint16_t bvci = atoi(argv[1]);
int counter;
counter = gbproxy_cleanup_peers(g_cfg, nsei, bvci);
if (counter == 0) {
vty_out(vty, "BVC not found%s", VTY_NEWLINE);
return CMD_WARNING;
}
return CMD_SUCCESS;
}
DEFUN(delete_gb_nsei, delete_gb_nsei_cmd,
"delete-gbproxy-peer <0-65534> (only-bvc|only-nsvc|all) [dry-run]",
"Delete a GBProxy peer by NSEI and optionally BVCI\n"
"NSEI number\n"
"Only delete BSSGP connections (BVC)\n"
"Only delete dynamic NS connections (NS-VC)\n"
"Delete BVC and dynamic NS connections\n"
"Show what would be deleted instead of actually deleting\n"
)
{
const uint16_t nsei = atoi(argv[0]);
const char *mode = argv[1];
int dry_run = argc > 2;
int delete_bvc = 0;
int delete_nsvc = 0;
int counter;
if (strcmp(mode, "only-bvc") == 0)
delete_bvc = 1;
else if (strcmp(mode, "only-nsvc") == 0)
delete_nsvc = 1;
else
delete_bvc = delete_nsvc = 1;
if (delete_bvc) {
if (!dry_run)
counter = gbproxy_cleanup_peers(g_cfg, nsei, 0);
else {
struct gbproxy_peer *peer;
counter = 0;
llist_for_each_entry(peer, &g_cfg->bts_peers, list) {
if (peer->nsei != nsei)
continue;
vty_out(vty, "BVC: ");
gbprox_vty_print_peer(vty, peer);
counter += 1;
}
}
vty_out(vty, "%sDeleted %d BVC%s",
dry_run ? "Not " : "", counter, VTY_NEWLINE);
}
if (delete_nsvc) {
struct gprs_ns_inst *nsi = g_cfg->nsi;
struct gprs_nsvc *nsvc, *nsvc2;
counter = 0;
llist_for_each_entry_safe(nsvc, nsvc2, &nsi->gprs_nsvcs, list) {
if (nsvc->nsei != nsei)
continue;
if (nsvc->persistent)
continue;
if (!dry_run)
gprs_nsvc_delete(nsvc);
else
vty_out(vty, "NS-VC: NSEI %5u, NS-VCI %5u, "
"remote %s%s",
nsvc->nsei, nsvc->nsvci,
gprs_ns_ll_str(nsvc), VTY_NEWLINE);
counter += 1;
}
vty_out(vty, "%sDeleted %d NS-VC%s",
dry_run ? "Not " : "", counter, VTY_NEWLINE);
}
return CMD_SUCCESS;
}
#define GBPROXY_DELETE_LINK_STR \
"Delete a GBProxy logical link entry by NSEI and identification\nNSEI number\n"
DEFUN(delete_gb_link_by_id, delete_gb_link_by_id_cmd,
"delete-gbproxy-link <0-65534> (tlli|imsi|sgsn-nsei) IDENT",
GBPROXY_DELETE_LINK_STR
"Delete entries with a matching TLLI (hex)\n"
"Delete entries with a matching IMSI\n"
"Delete entries with a matching SGSN NSEI\n"
"Identification to match\n")
{
const uint16_t nsei = atoi(argv[0]);
enum {MATCH_TLLI = 't', MATCH_IMSI = 'i', MATCH_SGSN = 's'} match;
uint32_t ident = 0;
const char *imsi = NULL;
struct gbproxy_peer *peer = 0;
struct gbproxy_link_info *link_info, *nxt;
struct gbproxy_patch_state *state;
char mi_buf[200];
int found = 0;
match = argv[1][0];
switch (match) {
case MATCH_TLLI: ident = strtoll(argv[2], NULL, 16); break;
case MATCH_IMSI: imsi = argv[2]; break;
case MATCH_SGSN: ident = strtoll(argv[2], NULL, 0); break;
};
peer = gbproxy_peer_by_nsei(g_cfg, nsei);
if (!peer) {
vty_out(vty, "Didn't find peer with NSEI %d%s",
nsei, VTY_NEWLINE);
return CMD_WARNING;
}
state = &peer->patch_state;
llist_for_each_entry_safe(link_info, nxt, &state->logical_links, list) {
switch (match) {
case MATCH_TLLI:
if (link_info->tlli.current != ident)
continue;
break;
case MATCH_SGSN:
if (link_info->sgsn_nsei != ident)
continue;
break;
case MATCH_IMSI:
if (!link_info->imsi)
continue;
mi_buf[0] = '\0';
gsm48_mi_to_string(mi_buf, sizeof(mi_buf),
link_info->imsi,
link_info->imsi_len);
if (strcmp(mi_buf, imsi) != 0)
continue;
break;
}
vty_out(vty, "Deleting link with TLLI %08x%s", link_info->tlli.current,
VTY_NEWLINE);
gbproxy_delete_link_info(peer, link_info);
found += 1;
}
if (!found && argc >= 2) {
vty_out(vty, "Didn't find link entry with %s %s%s",
argv[1], argv[2], VTY_NEWLINE);
}
return CMD_SUCCESS;
}
DEFUN(delete_gb_link, delete_gb_link_cmd,
"delete-gbproxy-link <0-65534> (stale|de-registered)",
GBPROXY_DELETE_LINK_STR
"Delete stale entries\n"
"Delete de-registered entries\n")
{
const uint16_t nsei = atoi(argv[0]);
enum {MATCH_STALE = 's', MATCH_DEREGISTERED = 'd'} match;
struct gbproxy_peer *peer = 0;
struct gbproxy_link_info *link_info, *nxt;
struct gbproxy_patch_state *state;
time_t now;
struct timespec ts = {0,};
int found = 0;
match = argv[1][0];
peer = gbproxy_peer_by_nsei(g_cfg, nsei);
if (!peer) {
vty_out(vty, "Didn't find peer with NSEI %d%s",
nsei, VTY_NEWLINE);
return CMD_WARNING;
}
state = &peer->patch_state;
clock_gettime(CLOCK_MONOTONIC, &ts);
now = ts.tv_sec;
if (match == MATCH_STALE) {
found = gbproxy_remove_stale_link_infos(peer, now);
if (found)
vty_out(vty, "Deleted %d stale logical link%s%s",
found, found == 1 ? "" : "s", VTY_NEWLINE);
} else {
llist_for_each_entry_safe(link_info, nxt,
&state->logical_links, list) {
if (!link_info->is_deregistered)
continue;
gbproxy_delete_link_info(peer, link_info);
found += 1;
}
}
if (found)
vty_out(vty, "Deleted %d %s logical link%s%s",
found, argv[1], found == 1 ? "" : "s", VTY_NEWLINE);
return CMD_SUCCESS;
}
/*
* legacy commands to provide an upgrade path from "broken" releases
* or pre-releases
*/
DEFUN_DEPRECATED(cfg_gbproxy_broken_apn_match,
cfg_gbproxy_broken_apn_match_cmd,
"core-access-point-name none match-imsi .REGEXP",
GBPROXY_CORE_APN_STR GBPROXY_MATCH_IMSI_STR "Remove APN\n"
"Patch MS related information elements on match only\n"
"Route to the secondary SGSN on match only\n"
"Regular expression for the IMSI match\n")
{
const char *filter = argv[0];
const char *err_msg = NULL;
struct gbproxy_match *match;
enum gbproxy_match_id match_id = get_string_value(match_ids, "patching");
/* apply APN none */
set_core_apn(vty, "");
/* do the matching... with copy and paste */
OSMO_ASSERT(match_id >= GBPROX_MATCH_PATCHING &&
match_id < GBPROX_MATCH_LAST);
match = &g_cfg->matches[match_id];
if (gbproxy_set_patch_filter(match, filter, &err_msg) != 0) {
vty_out(vty, "Match expression invalid: %s%s",
err_msg, VTY_NEWLINE);
return CMD_WARNING;
}
g_cfg->acquire_imsi = 1;
return CMD_SUCCESS;
}
#define GBPROXY_TLLI_LIST_STR "Set TLLI list parameters\n"
#define GBPROXY_MAX_LEN_STR "Limit list length\n"
DEFUN_DEPRECATED(cfg_gbproxy_depr_tlli_list_max_len,
cfg_gbproxy_depr_tlli_list_max_len_cmd,
"tlli-list max-length <1-99999>",
GBPROXY_TLLI_LIST_STR GBPROXY_MAX_LEN_STR
"Maximum number of TLLIs in the list\n")
{
g_cfg->tlli_max_len = atoi(argv[0]);
return CMD_SUCCESS;
}
int gbproxy_vty_init(void)
{
install_element_ve(&show_gbproxy_cmd);
install_element_ve(&show_gbproxy_links_cmd);
install_element(ENABLE_NODE, &delete_gb_bvci_cmd);
install_element(ENABLE_NODE, &delete_gb_nsei_cmd);
install_element(ENABLE_NODE, &delete_gb_link_by_id_cmd);
install_element(ENABLE_NODE, &delete_gb_link_cmd);
install_element(CONFIG_NODE, &cfg_gbproxy_cmd);
install_node(&gbproxy_node, config_write_gbproxy);
vty_install_default(GBPROXY_NODE);
install_element(GBPROXY_NODE, &cfg_nsip_sgsn_nsei_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_core_mcc_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_core_mnc_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_match_imsi_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_core_apn_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_secondary_sgsn_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_patch_ptmsi_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_acquire_imsi_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_link_list_max_age_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_link_list_max_len_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_link_list_keep_mode_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_no_core_mcc_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_no_core_mnc_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_no_match_imsi_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_no_core_apn_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_no_secondary_sgsn_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_no_patch_ptmsi_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_no_acquire_imsi_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_link_list_no_max_age_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_link_list_no_max_len_cmd);
/* broken or deprecated to allow an upgrade path */
install_element(GBPROXY_NODE, &cfg_gbproxy_broken_apn_match_cmd);
install_element(GBPROXY_NODE, &cfg_gbproxy_depr_tlli_list_max_len_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, NULL);
if (rc < 0) {
fprintf(stderr, "Failed to parse the config file: '%s'\n", config_file);
return rc;
}
return 0;
}
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