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-rw-r--r--openbsc/src/gprs/Makefile.am15
-rw-r--r--openbsc/src/gprs/gprs_gsup_client.c341
-rw-r--r--openbsc/src/gprs/gsup_test_client.c299
3 files changed, 0 insertions, 655 deletions
diff --git a/openbsc/src/gprs/Makefile.am b/openbsc/src/gprs/Makefile.am
index d059aeed0..cff17dde5 100644
--- a/openbsc/src/gprs/Makefile.am
+++ b/openbsc/src/gprs/Makefile.am
@@ -37,7 +37,6 @@ OSMO_LIBS = \
$(NULL)
bin_PROGRAMS = \
- gsup_test_client \
osmo-gbproxy \
$(NULL)
if HAVE_LIBGTP
@@ -88,7 +87,6 @@ osmo_sgsn_SOURCES = \
sgsn_auth.c \
gprs_subscriber.c \
gprs_utils.c \
- gprs_gsup_client.c \
sgsn_cdr.c \
sgsn_ares.c \
slhc.c \
@@ -132,16 +130,3 @@ osmo_gtphub_LDADD = \
$(LIBGTP_LIBS) \
-lrt \
$(NULL)
-
-gsup_test_client_SOURCES = \
- gprs_gsup_client.c \
- gsup_test_client.c \
- $(NULL)
-gsup_test_client_LDADD = \
- $(top_builddir)/src/libcommon/libcommon.a \
- $(LIBOSMOCORE_LIBS) \
- $(LIBOSMOGSM_LIBS) \
- $(LIBOSMOVTY_LIBS) \
- $(LIBOSMOABIS_LIBS) \
- -lrt \
- $(NULL)
diff --git a/openbsc/src/gprs/gprs_gsup_client.c b/openbsc/src/gprs/gprs_gsup_client.c
deleted file mode 100644
index 0360e0a24..000000000
--- a/openbsc/src/gprs/gprs_gsup_client.c
+++ /dev/null
@@ -1,341 +0,0 @@
-/* Generic Subscriber Update Protocol client */
-
-/* (C) 2014-2016 by Sysmocom s.f.m.c. GmbH
- * All Rights Reserved
- *
- * Author: Jacob Erlbeck
- * Author: Neels Hofmeyr
- *
- * 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/gsup_client.h>
-
-#include <osmocom/abis/ipa.h>
-#include <osmocom/gsm/protocol/ipaccess.h>
-#include <osmocom/core/msgb.h>
-#include <osmocom/core/logging.h>
-
-#include <openbsc/debug.h>
-
-#include <errno.h>
-#include <string.h>
-
-extern void *tall_bsc_ctx;
-
-static void start_test_procedure(struct gsup_client *gsupc);
-
-static void gsup_client_send_ping(struct gsup_client *gsupc)
-{
- struct msgb *msg = gsup_client_msgb_alloc();
-
- msg->l2h = msgb_put(msg, 1);
- msg->l2h[0] = IPAC_MSGT_PING;
- ipa_msg_push_header(msg, IPAC_PROTO_IPACCESS);
- ipa_client_conn_send(gsupc->link, msg);
-}
-
-static int gsup_client_connect(struct gsup_client *gsupc)
-{
- int rc;
-
- if (gsupc->is_connected)
- return 0;
-
- if (osmo_timer_pending(&gsupc->connect_timer)) {
- LOGP(DLGSUP, LOGL_DEBUG,
- "GSUP connect: connect timer already running\n");
- osmo_timer_del(&gsupc->connect_timer);
- }
-
- if (osmo_timer_pending(&gsupc->ping_timer)) {
- LOGP(DLGSUP, LOGL_DEBUG,
- "GSUP connect: ping timer already running\n");
- osmo_timer_del(&gsupc->ping_timer);
- }
-
- if (ipa_client_conn_clear_queue(gsupc->link) > 0)
- LOGP(DLGSUP, LOGL_DEBUG, "GSUP connect: discarded stored messages\n");
-
- rc = ipa_client_conn_open(gsupc->link);
-
- if (rc >= 0) {
- LOGP(DLGSUP, LOGL_INFO, "GSUP connecting to %s:%d\n",
- gsupc->link->addr, gsupc->link->port);
- return 0;
- }
-
- LOGP(DLGSUP, LOGL_INFO, "GSUP failed to connect to %s:%d: %s\n",
- gsupc->link->addr, gsupc->link->port, strerror(-rc));
-
- if (rc == -EBADF || rc == -ENOTSOCK || rc == -EAFNOSUPPORT ||
- rc == -EINVAL)
- return rc;
-
- osmo_timer_schedule(&gsupc->connect_timer,
- GSUP_CLIENT_RECONNECT_INTERVAL, 0);
-
- LOGP(DLGSUP, LOGL_INFO, "Scheduled timer to retry GSUP connect to %s:%d\n",
- gsupc->link->addr, gsupc->link->port);
-
- return 0;
-}
-
-static void connect_timer_cb(void *gsupc_)
-{
- struct gsup_client *gsupc = gsupc_;
-
- if (gsupc->is_connected)
- return;
-
- gsup_client_connect(gsupc);
-}
-
-static void client_send(struct gsup_client *gsupc, int proto_ext,
- struct msgb *msg_tx)
-{
- ipa_prepend_header_ext(msg_tx, proto_ext);
- ipa_msg_push_header(msg_tx, IPAC_PROTO_OSMO);
- ipa_client_conn_send(gsupc->link, msg_tx);
- /* msg_tx is now queued and will be freed. */
-}
-
-static void gsup_client_oap_register(struct gsup_client *gsupc)
-{
- struct msgb *msg_tx;
- int rc;
- rc = oap_client_register(&gsupc->oap_state, &msg_tx);
-
- if ((rc < 0) || (!msg_tx)) {
- LOGP(DLGSUP, LOGL_ERROR, "GSUP OAP set up, but cannot register.\n");
- return;
- }
-
- client_send(gsupc, IPAC_PROTO_EXT_OAP, msg_tx);
-}
-
-static void gsup_client_updown_cb(struct ipa_client_conn *link, int up)
-{
- struct gsup_client *gsupc = link->data;
-
- LOGP(DLGSUP, LOGL_INFO, "GSUP link to %s:%d %s\n",
- link->addr, link->port, up ? "UP" : "DOWN");
-
- gsupc->is_connected = up;
-
- if (up) {
- start_test_procedure(gsupc);
-
- if (gsupc->oap_state.state == OAP_INITIALIZED)
- gsup_client_oap_register(gsupc);
-
- osmo_timer_del(&gsupc->connect_timer);
- } else {
- osmo_timer_del(&gsupc->ping_timer);
-
- osmo_timer_schedule(&gsupc->connect_timer,
- GSUP_CLIENT_RECONNECT_INTERVAL, 0);
- }
-}
-
-static int gsup_client_oap_handle(struct gsup_client *gsupc, struct msgb *msg_rx)
-{
- int rc;
- struct msgb *msg_tx;
-
- rc = oap_client_handle(&gsupc->oap_state, msg_rx, &msg_tx);
- msgb_free(msg_rx);
- if (rc < 0)
- return rc;
-
- if (msg_tx)
- client_send(gsupc, IPAC_PROTO_EXT_OAP, msg_tx);
-
- return 0;
-}
-
-static int gsup_client_read_cb(struct ipa_client_conn *link, struct msgb *msg)
-{
- struct ipaccess_head *hh = (struct ipaccess_head *) msg->data;
- struct ipaccess_head_ext *he = (struct ipaccess_head_ext *) msgb_l2(msg);
- struct gsup_client *gsupc = (struct gsup_client *)link->data;
- int rc;
- static struct ipaccess_unit ipa_dev = {
- .unit_name = "SGSN"
- };
-
- msg->l2h = &hh->data[0];
-
- rc = ipaccess_bts_handle_ccm(link, &ipa_dev, msg);
-
- if (rc < 0) {
- LOGP(DLGSUP, LOGL_NOTICE,
- "GSUP received an invalid IPA/CCM message from %s:%d\n",
- link->addr, link->port);
- /* Link has been closed */
- gsupc->is_connected = 0;
- msgb_free(msg);
- return -1;
- }
-
- if (rc == 1) {
- uint8_t msg_type = *(msg->l2h);
- /* CCM message */
- if (msg_type == IPAC_MSGT_PONG) {
- LOGP(DLGSUP, LOGL_DEBUG, "GSUP receiving PONG\n");
- gsupc->got_ipa_pong = 1;
- }
-
- msgb_free(msg);
- return 0;
- }
-
- if (hh->proto != IPAC_PROTO_OSMO)
- goto invalid;
-
- if (!he || msgb_l2len(msg) < sizeof(*he))
- goto invalid;
-
- msg->l2h = &he->data[0];
-
- if (he->proto == IPAC_PROTO_EXT_GSUP) {
- OSMO_ASSERT(gsupc->read_cb != NULL);
- gsupc->read_cb(gsupc, msg);
- /* expecting read_cb() to free msg */
- } else if (he->proto == IPAC_PROTO_EXT_OAP) {
- return gsup_client_oap_handle(gsupc, msg);
- /* gsup_client_oap_handle frees msg */
- } else
- goto invalid;
-
- return 0;
-
-invalid:
- LOGP(DLGSUP, LOGL_NOTICE,
- "GSUP received an invalid IPA message from %s:%d, size = %d\n",
- link->addr, link->port, msgb_length(msg));
-
- msgb_free(msg);
- return -1;
-}
-
-static void ping_timer_cb(void *gsupc_)
-{
- struct gsup_client *gsupc = gsupc_;
-
- LOGP(DLGSUP, LOGL_INFO, "GSUP ping callback (%s, %s PONG)\n",
- gsupc->is_connected ? "connected" : "not connected",
- gsupc->got_ipa_pong ? "got" : "didn't get");
-
- if (gsupc->got_ipa_pong) {
- start_test_procedure(gsupc);
- return;
- }
-
- LOGP(DLGSUP, LOGL_NOTICE, "GSUP ping timed out, reconnecting\n");
- ipa_client_conn_close(gsupc->link);
- gsupc->is_connected = 0;
-
- gsup_client_connect(gsupc);
-}
-
-static void start_test_procedure(struct gsup_client *gsupc)
-{
- gsupc->ping_timer.data = gsupc;
- gsupc->ping_timer.cb = &ping_timer_cb;
-
- gsupc->got_ipa_pong = 0;
- osmo_timer_schedule(&gsupc->ping_timer, GSUP_CLIENT_PING_INTERVAL, 0);
- LOGP(DLGSUP, LOGL_DEBUG, "GSUP sending PING\n");
- gsup_client_send_ping(gsupc);
-}
-
-struct gsup_client *gsup_client_create(const char *ip_addr,
- unsigned int tcp_port,
- gsup_client_read_cb_t read_cb,
- struct oap_client_config *oap_config)
-{
- struct gsup_client *gsupc;
- int rc;
-
- gsupc = talloc_zero(tall_bsc_ctx, struct gsup_client);
- OSMO_ASSERT(gsupc);
-
- rc = oap_client_init(oap_config, &gsupc->oap_state);
- if (rc != 0)
- goto failed;
-
- gsupc->link = ipa_client_conn_create(gsupc,
- /* no e1inp */ NULL,
- 0,
- ip_addr, tcp_port,
- gsup_client_updown_cb,
- gsup_client_read_cb,
- /* default write_cb */ NULL,
- gsupc);
- if (!gsupc->link)
- goto failed;
-
- gsupc->connect_timer.data = gsupc;
- gsupc->connect_timer.cb = &connect_timer_cb;
-
- rc = gsup_client_connect(gsupc);
-
- if (rc < 0)
- goto failed;
-
- gsupc->read_cb = read_cb;
-
- return gsupc;
-
-failed:
- gsup_client_destroy(gsupc);
- return NULL;
-}
-
-void gsup_client_destroy(struct gsup_client *gsupc)
-{
- osmo_timer_del(&gsupc->connect_timer);
- osmo_timer_del(&gsupc->ping_timer);
-
- if (gsupc->link) {
- ipa_client_conn_close(gsupc->link);
- ipa_client_conn_destroy(gsupc->link);
- gsupc->link = NULL;
- }
- talloc_free(gsupc);
-}
-
-int gsup_client_send(struct gsup_client *gsupc, struct msgb *msg)
-{
- if (!gsupc) {
- msgb_free(msg);
- return -ENOTCONN;
- }
-
- if (!gsupc->is_connected) {
- msgb_free(msg);
- return -EAGAIN;
- }
-
- client_send(gsupc, IPAC_PROTO_EXT_GSUP, msg);
-
- return 0;
-}
-
-struct msgb *gsup_client_msgb_alloc(void)
-{
- return msgb_alloc_headroom(4000, 64, __func__);
-}
diff --git a/openbsc/src/gprs/gsup_test_client.c b/openbsc/src/gprs/gsup_test_client.c
deleted file mode 100644
index 1889c6fde..000000000
--- a/openbsc/src/gprs/gsup_test_client.c
+++ /dev/null
@@ -1,299 +0,0 @@
-#include <string.h>
-#include <stdio.h>
-#include <errno.h>
-#include <signal.h>
-
-#include <osmocom/core/linuxlist.h>
-#include <osmocom/core/msgb.h>
-#include <osmocom/core/select.h>
-#include <osmocom/core/application.h>
-#include <osmocom/gsm/gsup.h>
-
-#include <openbsc/gsup_client.h>
-#include <openbsc/debug.h>
-
-static struct gsup_client *g_gc;
-
-
-/***********************************************************************
- * IMSI Operation
- ***********************************************************************/
-static LLIST_HEAD(g_imsi_ops);
-
-struct imsi_op_stats {
- uint32_t num_alloc;
- uint32_t num_released;
- uint32_t num_rx_success;
- uint32_t num_rx_error;
- uint32_t num_timeout;
-};
-
-enum imsi_op_type {
- IMSI_OP_SAI,
- IMSI_OP_LU,
- IMSI_OP_ISD,
- _NUM_IMSI_OP
-};
-
-static const struct value_string imsi_op_names[] = {
- { IMSI_OP_SAI, "SAI" },
- { IMSI_OP_LU, "LU" },
- { IMSI_OP_ISD, "ISD" },
- { 0, NULL }
-};
-
-static struct imsi_op_stats imsi_op_stats[_NUM_IMSI_OP];
-
-struct imsi_op {
- struct llist_head list;
- char imsi[17];
- enum imsi_op_type type;
- struct osmo_timer_list timer;
-};
-
-static struct imsi_op *imsi_op_find(const char *imsi,
- enum imsi_op_type type)
-{
- struct imsi_op *io;
-
- llist_for_each_entry(io, &g_imsi_ops, list) {
- if (!strcmp(io->imsi, imsi) && io->type == type)
- return io;
- }
- return NULL;
-}
-
-static void imsi_op_timer_cb(void *data);
-
-static struct imsi_op *imsi_op_alloc(void *ctx, const char *imsi,
- enum imsi_op_type type)
-{
- struct imsi_op *io;
-
- if (imsi_op_find(imsi, type))
- return NULL;
-
- io = talloc_zero(ctx, struct imsi_op);
- strncpy(io->imsi, imsi, sizeof(io->imsi));
- io->imsi[sizeof(io->imsi)-1] = '\0';
- io->type = type;
- io->timer.cb = imsi_op_timer_cb;
- io->timer.data = io;
- llist_add(&io->list, &g_imsi_ops);
- imsi_op_stats[type].num_alloc++;
-
- return io;
-}
-
-static void imsi_op_release(struct imsi_op *io)
-{
- osmo_timer_del(&io->timer);
- llist_del(&io->list);
- imsi_op_stats[io->type].num_released++;
- talloc_free(io);
-}
-
-static void imsi_op_timer_cb(void *data)
-{
- struct imsi_op *io = data;
- printf("%s: Timer expiration\n", io->imsi);
- imsi_op_stats[io->type].num_timeout++;
- imsi_op_release(io);
-}
-
-/* allocate + generate + send Send-Auth-Info */
-int req_auth_info(const char *imsi)
-{
- struct imsi_op *io = imsi_op_alloc(g_gc, imsi, IMSI_OP_SAI);
- struct osmo_gsup_message gsup = {0};
- struct msgb *msg = msgb_alloc_headroom(1200, 200, __func__);
-
- strncpy(gsup.imsi, io->imsi, sizeof(gsup.imsi));
- gsup.message_type = OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST;
-
- osmo_gsup_encode(msg, &gsup);
-
- return gsup_client_send(g_gc, msg);
-}
-
-/* allocate + generate + send Send-Auth-Info */
-int req_loc_upd(const char *imsi)
-{
- struct imsi_op *io = imsi_op_alloc(g_gc, imsi, IMSI_OP_LU);
- struct osmo_gsup_message gsup = {0};
- struct msgb *msg = msgb_alloc_headroom(1200, 200, __func__);
-
- strncpy(gsup.imsi, io->imsi, sizeof(gsup.imsi));
- gsup.message_type = OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST;
-
- osmo_gsup_encode(msg, &gsup);
-
- return gsup_client_send(g_gc, msg);
-}
-
-int resp_isd(struct imsi_op *io)
-{
- struct osmo_gsup_message gsup = {0};
- struct msgb *msg = msgb_alloc_headroom(1200, 200, __func__);
-
- strncpy(gsup.imsi, io->imsi, sizeof(gsup.imsi));
- gsup.message_type = OSMO_GSUP_MSGT_INSERT_DATA_RESULT;
-
- osmo_gsup_encode(msg, &gsup);
-
- imsi_op_release(io);
-
- return gsup_client_send(g_gc, msg);
-}
-
-/* receive an incoming GSUP message */
-static void imsi_op_rx_gsup(struct imsi_op *io, const struct osmo_gsup_message *gsup)
-{
- int is_error = 0;
-
- if (OSMO_GSUP_IS_MSGT_ERROR(gsup->message_type)) {
- imsi_op_stats[io->type].num_rx_error++;
- is_error = 1;
- } else
- imsi_op_stats[io->type].num_rx_success++;
-
- switch (io->type) {
- case IMSI_OP_SAI:
- printf("%s; SAI Response%s\n", io->imsi, is_error ? ": ERROR" : "");
- /* now that we have auth tuples, request LU */
- req_loc_upd(io->imsi);
- imsi_op_release(io);
- break;
- case IMSI_OP_LU:
- printf("%s; LU Response%s\n", io->imsi, is_error ? ": ERROR" : "");
- imsi_op_release(io);
- break;
- case IMSI_OP_ISD:
- printf("%s; ISD Request%s\n", io->imsi, is_error ? ": ERROR" : "");
- resp_isd(io);
- break;
- default:
- printf("%s: Unknown\n", io->imsi);
- imsi_op_release(io);
- break;
- }
-}
-
-static int op_type_by_gsup_msgt(enum osmo_gsup_message_type msg_type)
-{
- switch (msg_type) {
- case OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT:
- case OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR:
- return IMSI_OP_SAI;
- case OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT:
- case OSMO_GSUP_MSGT_UPDATE_LOCATION_ERROR:
- return IMSI_OP_LU;
- case OSMO_GSUP_MSGT_INSERT_DATA_REQUEST:
- return IMSI_OP_ISD;
- default:
- printf("Unknown GSUP msg_type %u\n", msg_type);
- return -1;
- }
-}
-
-static int gsupc_read_cb(struct gsup_client *gsupc, struct msgb *msg)
-{
- struct osmo_gsup_message gsup_msg = {0};
- struct imsi_op *io;
- int rc;
-
- DEBUGP(DGPRS, "Rx GSUP %s\n", osmo_hexdump(msgb_l2(msg), msgb_l2len(msg)));
-
- rc = osmo_gsup_decode(msgb_l2(msg), msgb_l2len(msg), &gsup_msg);
- if (rc < 0)
- return rc;
-
- if (!gsup_msg.imsi[0])
- return -1;
-
- rc = op_type_by_gsup_msgt(gsup_msg.message_type);
- if (rc < 0)
- return rc;
-
- switch (rc) {
- case IMSI_OP_SAI:
- case IMSI_OP_LU:
- io = imsi_op_find(gsup_msg.imsi, rc);
- if (!io)
- return -1;
- break;
- case IMSI_OP_ISD:
- /* ISD is an inbound transaction */
- io = imsi_op_alloc(g_gc, gsup_msg.imsi, IMSI_OP_ISD);
- break;
- }
-
- imsi_op_rx_gsup(io, &gsup_msg);
- msgb_free(msg);
-
- return 0;
-}
-
-static void print_report(void)
-{
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(imsi_op_stats); i++) {
- struct imsi_op_stats *st = &imsi_op_stats[i];
- const char *name = get_value_string(imsi_op_names, i);
- printf("%s: %u alloc, %u released, %u success, %u error , %u tout\n",
- name, st->num_alloc, st->num_released, st->num_rx_success,
- st->num_rx_error, st->num_timeout);
- }
-}
-
-static void sig_cb(int sig)
-{
- switch (sig) {
- case SIGINT:
- print_report();
- exit(0);
- break;
- }
-}
-
-void *tall_bsc_ctx = NULL;
-
-/* default categories */
-static struct log_info_cat default_categories[] = {
-};
-
-static const struct log_info gsup_test_client_log_info = {
- .cat = default_categories,
- .num_cat = ARRAY_SIZE(default_categories),
-};
-
-int main(int argc, char **argv)
-{
- unsigned long long i;
- char *server_host = "127.0.0.1";
- uint16_t server_port = 2222;
-
- osmo_init_logging(&gsup_test_client_log_info);
-
- g_gc = gsup_client_create(server_host, server_port, gsupc_read_cb,
- NULL);
-
-
- signal(SIGINT, sig_cb);
-
- for (i = 0; i < 10000; i++) {
- unsigned long long imsi = 901790000000000 + i;
- char imsi_buf[17];
- snprintf(imsi_buf, sizeof(imsi_buf), "%015llu", imsi);
- req_auth_info(imsi_buf);
- osmo_select_main(0);
- }
-
- while (1) {
- osmo_select_main(0);
- }
-
- print_report();
- exit(0);
-}