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-rw-r--r--tests/bsc-nat/bsc_nat_test.c1584
1 files changed, 0 insertions, 1584 deletions
diff --git a/tests/bsc-nat/bsc_nat_test.c b/tests/bsc-nat/bsc_nat_test.c
deleted file mode 100644
index 2914a01b..00000000
--- a/tests/bsc-nat/bsc_nat_test.c
+++ /dev/null
@@ -1,1584 +0,0 @@
-/*
- * BSC NAT Message filtering
- *
- * (C) 2010-2013 by Holger Hans Peter Freyther <zecke@selfish.org>
- * (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 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/debug.h>
-#include <openbsc/gsm_data.h>
-#include <openbsc/bsc_nat.h>
-#include <openbsc/bsc_nat_sccp.h>
-#include <openbsc/bsc_msg_filter.h>
-#include <openbsc/nat_rewrite_trie.h>
-
-#include <osmocom/core/application.h>
-#include <osmocom/core/backtrace.h>
-#include <osmocom/core/talloc.h>
-
-#include <osmocom/sccp/sccp.h>
-#include <osmocom/gsm/protocol/gsm_08_08.h>
-
-#include <stdio.h>
-
-/* test messages for ipa */
-static uint8_t ipa_id[] = {
- 0x00, 0x01, 0xfe, 0x06,
-};
-
-/* SCCP messages are below */
-static uint8_t gsm_reset[] = {
- 0x00, 0x12, 0xfd,
- 0x09, 0x00, 0x03, 0x05, 0x07, 0x02, 0x42, 0xfe,
- 0x02, 0x42, 0xfe, 0x06, 0x00, 0x04, 0x30, 0x04,
- 0x01, 0x20,
-};
-
-static const uint8_t gsm_reset_ack[] = {
- 0x00, 0x13, 0xfd,
- 0x09, 0x00, 0x03, 0x07, 0x0b, 0x04, 0x43, 0x01,
- 0x00, 0xfe, 0x04, 0x43, 0x5c, 0x00, 0xfe, 0x03,
- 0x00, 0x01, 0x31,
-};
-
-static const uint8_t gsm_paging[] = {
- 0x00, 0x20, 0xfd,
- 0x09, 0x00, 0x03, 0x07, 0x0b, 0x04, 0x43, 0x01,
- 0x00, 0xfe, 0x04, 0x43, 0x5c, 0x00, 0xfe, 0x10,
- 0x00, 0x0e, 0x52, 0x08, 0x08, 0x29, 0x47, 0x10,
- 0x02, 0x01, 0x31, 0x97, 0x61, 0x1a, 0x01, 0x06,
-};
-
-/* BSC -> MSC connection open */
-static const uint8_t bssmap_cr[] = {
- 0x00, 0x2c, 0xfd,
- 0x01, 0x01, 0x02, 0x03, 0x02, 0x02, 0x04, 0x02,
- 0x42, 0xfe, 0x0f, 0x1f, 0x00, 0x1d, 0x57, 0x05,
- 0x08, 0x00, 0x72, 0xf4, 0x80, 0x20, 0x12, 0xc3,
- 0x50, 0x17, 0x10, 0x05, 0x24, 0x11, 0x03, 0x33,
- 0x19, 0xa2, 0x08, 0x29, 0x47, 0x10, 0x02, 0x01,
- 0x31, 0x97, 0x61, 0x00
-};
-
-/* MSC -> BSC connection confirm */
-static const uint8_t bssmap_cc[] = {
- 0x00, 0x0a, 0xfd,
- 0x02, 0x01, 0x02, 0x03, 0x00, 0x00, 0x03, 0x02, 0x01, 0x00,
-};
-
-/* MSC -> BSC released */
-static const uint8_t bssmap_released[] = {
- 0x00, 0x0e, 0xfd,
- 0x04, 0x00, 0x00, 0x03, 0x01, 0x02, 0x03, 0x00, 0x01, 0x0f,
- 0x02, 0x23, 0x42, 0x00,
-};
-
-/* BSC -> MSC released */
-static const uint8_t bssmap_release_complete[] = {
- 0x00, 0x07, 0xfd,
- 0x05, 0x01, 0x02, 0x03, 0x00, 0x00, 0x03
-};
-
-/* both directions IT timer */
-static const uint8_t connnection_it[] = {
- 0x00, 0x0b, 0xfd,
- 0x10, 0x01, 0x02, 0x03, 0x01, 0x02, 0x03,
- 0x00, 0x00, 0x00, 0x00,
-};
-
-/* error in both directions */
-static const uint8_t proto_error[] = {
- 0x00, 0x05, 0xfd,
- 0x0f, 0x22, 0x33, 0x44, 0x00,
-};
-
-/* MGCP wrap... */
-static const uint8_t mgcp_msg[] = {
- 0x00, 0x03, 0xfc,
- 0x20, 0x20, 0x20,
-};
-
-/* location updating request */
-static const uint8_t bss_lu[] = {
- 0x00, 0x2e, 0xfd,
- 0x01, 0x91, 0x45, 0x14, 0x02, 0x02, 0x04, 0x02,
- 0x42, 0xfe, 0x0f, 0x21, 0x00, 0x1f, 0x57, 0x05,
- 0x08, 0x00, 0x72, 0xf4, 0x80, 0x20, 0x14, 0xc3,
- 0x50, 0x17, 0x12, 0x05, 0x08, 0x70, 0x72, 0xf4,
- 0x80, 0xff, 0xfe, 0x30, 0x08, 0x29, 0x44, 0x50,
- 0x12, 0x03, 0x24, 0x01, 0x95, 0x00
-};
-
-/* paging response */
-static const uint8_t pag_resp[] = {
- 0x00, 0x2c, 0xfd, 0x01, 0xe5, 0x68,
- 0x14, 0x02, 0x02, 0x04, 0x02, 0x42, 0xfe, 0x0f,
- 0x1f, 0x00, 0x1d, 0x57, 0x05, 0x08, 0x00, 0x72,
- 0xf4, 0x80, 0x20, 0x16, 0xc3, 0x50, 0x17, 0x10,
- 0x06, 0x27, 0x01, 0x03, 0x30, 0x18, 0x96, 0x08,
- 0x29, 0x26, 0x30, 0x32, 0x11, 0x42, 0x01, 0x19,
- 0x00
-};
-
-struct filter_result {
- const uint8_t *data;
- const uint16_t length;
- const int dir;
- const int result;
-};
-
-static const struct filter_result results[] = {
- {
- .data = ipa_id,
- .length = ARRAY_SIZE(ipa_id),
- .dir = DIR_MSC,
- .result = 1,
- },
- {
- .data = gsm_reset,
- .length = ARRAY_SIZE(gsm_reset),
- .dir = DIR_MSC,
- .result = 1,
- },
- {
- .data = gsm_reset_ack,
- .length = ARRAY_SIZE(gsm_reset_ack),
- .dir = DIR_BSC,
- .result = 1,
- },
- {
- .data = gsm_paging,
- .length = ARRAY_SIZE(gsm_paging),
- .dir = DIR_BSC,
- .result = 0,
- },
- {
- .data = bssmap_cr,
- .length = ARRAY_SIZE(bssmap_cr),
- .dir = DIR_MSC,
- .result = 0,
- },
- {
- .data = bssmap_cc,
- .length = ARRAY_SIZE(bssmap_cc),
- .dir = DIR_BSC,
- .result = 0,
- },
- {
- .data = bssmap_released,
- .length = ARRAY_SIZE(bssmap_released),
- .dir = DIR_MSC,
- .result = 0,
- },
- {
- .data = bssmap_release_complete,
- .length = ARRAY_SIZE(bssmap_release_complete),
- .dir = DIR_BSC,
- .result = 0,
- },
- {
- .data = mgcp_msg,
- .length = ARRAY_SIZE(mgcp_msg),
- .dir = DIR_MSC,
- .result = 0,
- },
- {
- .data = connnection_it,
- .length = ARRAY_SIZE(connnection_it),
- .dir = DIR_BSC,
- .result = 0,
- },
- {
- .data = connnection_it,
- .length = ARRAY_SIZE(connnection_it),
- .dir = DIR_MSC,
- .result = 0,
- },
- {
- .data = proto_error,
- .length = ARRAY_SIZE(proto_error),
- .dir = DIR_BSC,
- .result = 0,
- },
- {
- .data = proto_error,
- .length = ARRAY_SIZE(proto_error),
- .dir = DIR_MSC,
- .result = 0,
- },
-
-};
-
-static void test_filter(void)
-{
- int i;
-
-
- /* start testinh with proper messages */
- printf("Testing BSS Filtering.\n");
- for (i = 0; i < ARRAY_SIZE(results); ++i) {
- int result;
- struct bsc_nat_parsed *parsed;
- struct msgb *msg = msgb_alloc(4096, "test-message");
-
- printf("Going to test item: %d\n", i);
- memcpy(msg->data, results[i].data, results[i].length);
- msg->l2h = msgb_put(msg, results[i].length);
-
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Failed to parse the message\n");
- continue;
- }
-
- result = bsc_nat_filter_ipa(results[i].dir, msg, parsed);
- if (result != results[i].result) {
- printf("FAIL: Not the expected result got: %d wanted: %d\n",
- result, results[i].result);
- }
-
- msgb_free(msg);
- }
-}
-
-#include "bsc_data.c"
-
-static void copy_to_msg(struct msgb *msg, const uint8_t *data, unsigned int length)
-{
- msgb_reset(msg);
- msg->l2h = msgb_put(msg, length);
- memcpy(msg->l2h, data, msgb_l2len(msg));
-}
-
-static void verify_msg(struct msgb *out, const uint8_t *ref, int ref_len)
-{
- if (out->len != ref_len) {
- printf("FAIL: The size should match: %d vs. %d\n",
- out->len, ref_len);
- printf("%s\n", osmo_hexdump(out->data, out->len));
- printf("Wanted\n");
- printf("%s\n", osmo_hexdump(ref, ref_len));
- abort();
- }
-
- if (memcmp(out->data, ref, out->len) != 0) {
- printf("FAIL: the data should be changed.\n");
- printf("%s\n", osmo_hexdump(out->data, out->len));
- printf("Wanted\n");
- printf("%s\n", osmo_hexdump(ref, ref_len));
- abort();
- }
-}
-
-
-#define VERIFY(con_found, con, msg, ver, str) \
- if (!con_found) { \
- printf("Failed to find connection.\n"); \
- abort(); \
- } \
- if (con_found->bsc != con) { \
- printf("Got connection of the wrong BSC: %d\n", \
- con_found->bsc->cfg->nr); \
- abort(); \
- } \
- if (memcmp(msg->data, ver, sizeof(ver)) != 0) { \
- printf("Failed to patch the %s msg.\n", str); \
- abort(); \
- }
-
-/* test conn tracking once */
-static void test_contrack()
-{
- struct bsc_nat *nat;
- struct bsc_connection *con;
- struct nat_sccp_connection *con_found;
- struct nat_sccp_connection *rc_con;
- struct bsc_nat_parsed *parsed;
- struct msgb *msg;
-
- printf("Testing connection tracking.\n");
- nat = bsc_nat_alloc();
- con = bsc_connection_alloc(nat);
- con->cfg = bsc_config_alloc(nat, "foo", 0);
- bsc_config_add_lac(con->cfg, 23);
- bsc_config_add_lac(con->cfg, 49);
- bsc_config_add_lac(con->cfg, 42);
- bsc_config_del_lac(con->cfg, 49);
- bsc_config_add_lac(con->cfg, 1111);
- msg = msgb_alloc(4096, "test");
-
- /* 1.) create a connection */
- copy_to_msg(msg, bsc_cr, sizeof(bsc_cr));
- parsed = bsc_nat_parse(msg);
- con_found = patch_sccp_src_ref_to_msc(msg, parsed, con);
- if (con_found != NULL) {
- printf("Con should not exist realref(%u)\n",
- sccp_src_ref_to_int(&con_found->real_ref));
- abort();
- }
- rc_con = create_sccp_src_ref(con, parsed);
- if (!rc_con) {
- printf("Failed to create a ref\n");
- abort();
- }
- con_found = patch_sccp_src_ref_to_msc(msg, parsed, con);
- if (!con_found) {
- printf("Failed to find connection.\n");
- abort();
- }
- if (con_found->bsc != con) {
- printf("Got connection of the wrong BSC: %d\n",
- con_found->bsc->cfg->nr);
- abort();
- }
- if (con_found != rc_con) {
- printf("Failed to find the right connection.\n");
- abort();
- }
- if (memcmp(msg->data, bsc_cr_patched, sizeof(bsc_cr_patched)) != 0) {
- printf("Failed to patch the BSC CR msg.\n");
- abort();
- }
- talloc_free(parsed);
-
- /* 2.) get the cc */
- copy_to_msg(msg, msc_cc, sizeof(msc_cc));
- parsed = bsc_nat_parse(msg);
- con_found = patch_sccp_src_ref_to_bsc(msg, parsed, nat);
- VERIFY(con_found, con, msg, msc_cc_patched, "MSC CC");
- if (update_sccp_src_ref(con_found, parsed) != 0) {
- printf("Failed to update the SCCP con.\n");
- abort();
- }
-
- /* 3.) send some data */
- copy_to_msg(msg, bsc_dtap, sizeof(bsc_dtap));
- parsed = bsc_nat_parse(msg);
- con_found = patch_sccp_src_ref_to_msc(msg, parsed, con);
- VERIFY(con_found, con, msg, bsc_dtap_patched, "BSC DTAP");
-
- /* 4.) receive some data */
- copy_to_msg(msg, msc_dtap, sizeof(msc_dtap));
- parsed = bsc_nat_parse(msg);
- con_found = patch_sccp_src_ref_to_bsc(msg, parsed, nat);
- VERIFY(con_found, con, msg, msc_dtap_patched, "MSC DTAP");
-
- /* 5.) close the connection */
- copy_to_msg(msg, msc_rlsd, sizeof(msc_rlsd));
- parsed = bsc_nat_parse(msg);
- con_found = patch_sccp_src_ref_to_bsc(msg, parsed, nat);
- VERIFY(con_found, con, msg, msc_rlsd_patched, "MSC RLSD");
-
- /* 6.) confirm the connection close */
- copy_to_msg(msg, bsc_rlc, sizeof(bsc_rlc));
- parsed = bsc_nat_parse(msg);
- con_found = patch_sccp_src_ref_to_msc(msg, parsed, con);
- if (!con_found) {
- printf("Failed to find connection.\n");
- abort();
- }
- if (con_found->bsc != con) {
- printf("Got connection of the wrong BSC: %d\n",
- con_found->bsc->cfg->nr);
- abort();
- }
- if (memcmp(msg->data, bsc_rlc_patched, sizeof(bsc_rlc_patched)) != 0) {
- printf("Failed to patch the BSC CR msg.\n");
- abort();
- }
- remove_sccp_src_ref(con, msg, parsed);
- talloc_free(parsed);
-
- copy_to_msg(msg, bsc_rlc, sizeof(bsc_rlc));
- parsed = bsc_nat_parse(msg);
- con_found = patch_sccp_src_ref_to_msc(msg, parsed, con);
-
- /* verify that it is gone */
- if (con_found != NULL) {
- printf("Con should not exist real_ref(%u)\n",
- sccp_src_ref_to_int(&con_found->real_ref));
- abort();
- }
- talloc_free(parsed);
-
-
- bsc_config_free(con->cfg);
- bsc_nat_free(nat);
- msgb_free(msg);
-}
-
-static void test_paging(void)
-{
- struct bsc_nat *nat;
- struct bsc_connection *con;
- struct bsc_config *cfg;
-
- printf("Testing paging by lac.\n");
-
- nat = bsc_nat_alloc();
- con = bsc_connection_alloc(nat);
- cfg = bsc_config_alloc(nat, "unknown", 0);
- con->cfg = cfg;
- bsc_config_add_lac(cfg, 23);
- con->authenticated = 1;
- llist_add(&con->list_entry, &nat->bsc_connections);
-
- /* Test it by not finding it */
- if (bsc_config_handles_lac(cfg, 8213) != 0) {
- printf("Should not be handled.\n");
- abort();
- }
-
- /* Test by finding it */
- bsc_config_del_lac(cfg, 23);
- bsc_config_add_lac(cfg, 8213);
- if (bsc_config_handles_lac(cfg, 8213) == 0) {
- printf("Should have found it.\n");
- abort();
- }
-
- bsc_nat_free(nat);
-}
-
-static void test_mgcp_allocations(void)
-{
-#if 0
- struct bsc_connection *bsc;
- struct bsc_nat *nat;
- struct nat_sccp_connection con;
- int i, j, multiplex;
-
- printf("Testing MGCP.\n");
- memset(&con, 0, sizeof(con));
-
- nat = bsc_nat_alloc();
- nat->bsc_endpoints = talloc_zero_array(nat,
- struct bsc_endpoint,
- 65);
- nat->mgcp_cfg = mgcp_config_alloc();
- nat->mgcp_cfg->trunk.number_endpoints = 64;
-
- bsc = bsc_connection_alloc(nat);
- bsc->cfg = bsc_config_alloc(nat, "foo", 0);
- bsc->cfg->max_endpoints = 60;
- bsc_config_add_lac(bsc->cfg, 2323);
- bsc->last_endpoint = 0x22;
- con.bsc = bsc;
-
- bsc_init_endps_if_needed(bsc);
-
- i = 1;
- do {
- if (bsc_assign_endpoint(bsc, &con) != 0) {
- printf("failed to allocate... on iteration %d\n", i);
- break;
- }
- ++i;
- } while(1);
-
- multiplex = bsc_mgcp_nr_multiplexes(bsc->cfg->max_endpoints);
- for (i = 0; i < multiplex; ++i) {
- for (j = 0; j < 32; ++j)
- printf("%d", bsc->_endpoint_status[i*32 + j]);
- printf(": %d of %d\n", i*32 + 32, 32 * 8);
- }
-#endif
-}
-
-static void test_mgcp_ass_tracking(void)
-{
- struct bsc_connection *bsc;
- struct bsc_nat *nat;
- struct nat_sccp_connection con;
- struct bsc_nat_parsed *parsed;
- struct msgb *msg;
-
- printf("Testing MGCP.\n");
- memset(&con, 0, sizeof(con));
-
- nat = bsc_nat_alloc();
- nat->bsc_endpoints = talloc_zero_array(nat,
- struct bsc_endpoint,
- 33);
- nat->mgcp_cfg = mgcp_config_alloc();
- nat->mgcp_cfg->trunk.number_endpoints = 64;
- mgcp_endpoints_allocate(&nat->mgcp_cfg->trunk);
-
- bsc = bsc_connection_alloc(nat);
- bsc->cfg = bsc_config_alloc(nat, "foo", 0);
- bsc_config_add_lac(bsc->cfg, 2323);
- bsc->last_endpoint = 0x1e;
- con.bsc = bsc;
-
- msg = msgb_alloc(4096, "foo");
- copy_to_msg(msg, ass_cmd, sizeof(ass_cmd));
- parsed = bsc_nat_parse(msg);
-
- if (msg->l2h[16] != 0 ||
- msg->l2h[17] != 0x1) {
- printf("Input is not as expected.. %s 0x%x\n",
- osmo_hexdump(msg->l2h, msgb_l2len(msg)),
- msg->l2h[17]);
- abort();
- }
-
- if (bsc_mgcp_assign_patch(&con, msg) != 0) {
- printf("Failed to handle assignment.\n");
- abort();
- }
-
- if (con.msc_endp != 1) {
- printf("Timeslot should be 1.\n");
- abort();
- }
-
- if (con.bsc_endp != 0x1) {
- printf("Assigned timeslot should have been 1.\n");
- abort();
- }
- if (con.bsc->_endpoint_status[0x1] != 1) {
- printf("The status on the BSC is wrong.\n");
- abort();
- }
-
- int multiplex, timeslot;
- mgcp_endpoint_to_timeslot(0x1, &multiplex, &timeslot);
-
- uint16_t cic = htons(timeslot & 0x1f);
- if (memcmp(&cic, &msg->l2h[16], sizeof(cic)) != 0) {
- printf("Message was not patched properly\n");
- printf("data cic: 0x%x %s\n", cic, osmo_hexdump(msg->l2h, msgb_l2len(msg)));
- abort();
- }
-
- talloc_free(parsed);
-
- bsc_mgcp_dlcx(&con);
- if (con.bsc_endp != -1 || con.msc_endp != -1 ||
- con.bsc->_endpoint_status[1] != 0 || con.bsc->last_endpoint != 0x1) {
- printf("Clearing should remove the mapping.\n");
- abort();
- }
-
- bsc_config_free(bsc->cfg);
- bsc_nat_free(nat);
-}
-
-/* test the code to find a given connection */
-static void test_mgcp_find(void)
-{
- struct bsc_nat *nat;
- struct bsc_connection *con;
- struct nat_sccp_connection *sccp_con;
-
- printf("Testing finding of a BSC Connection\n");
-
- nat = bsc_nat_alloc();
- con = bsc_connection_alloc(nat);
- llist_add(&con->list_entry, &nat->bsc_connections);
-
- sccp_con = talloc_zero(con, struct nat_sccp_connection);
- sccp_con->msc_endp = 12;
- sccp_con->bsc_endp = 12;
- sccp_con->bsc = con;
- llist_add(&sccp_con->list_entry, &nat->sccp_connections);
-
- if (bsc_mgcp_find_con(nat, 11) != NULL) {
- printf("Found the wrong connection.\n");
- abort();
- }
-
- if (bsc_mgcp_find_con(nat, 12) != sccp_con) {
- printf("Didn't find the connection\n");
- abort();
- }
-
- /* free everything */
- bsc_nat_free(nat);
-}
-
-static void test_mgcp_rewrite(void)
-{
- int i;
- struct msgb *output;
- printf("Testing rewriting MGCP messages.\n");
-
- for (i = 0; i < ARRAY_SIZE(mgcp_messages); ++i) {
- const char *orig = mgcp_messages[i].orig;
- const char *patc = mgcp_messages[i].patch;
- const char *ip = mgcp_messages[i].ip;
- const int port = mgcp_messages[i].port;
- const int expected_payload_type = mgcp_messages[i].payload_type;
- const int ensure_mode_set = mgcp_messages[i].ensure_mode_set;
- int payload_type = -1;
-
- char *input = strdup(orig);
-
- output = bsc_mgcp_rewrite(input, strlen(input), 0x1e,
- ip, port, -1, &payload_type, ensure_mode_set);
-
- if (payload_type != -1) {
- fprintf(stderr, "Found media payload type %d in SDP data\n",
- payload_type);
- if (payload_type != expected_payload_type) {
- printf("Wrong payload type %d (expected %d)\n",
- payload_type, expected_payload_type);
- abort();
- }
- }
-
- if (msgb_l2len(output) != strlen(patc)) {
- printf("Wrong sizes for test: %d %u != %zu != %zu\n", i, msgb_l2len(output), strlen(patc), strlen(orig));
- printf("String '%s' vs '%s'\n", (const char *) output->l2h, patc);
- abort();
- }
-
- if (memcmp(output->l2h, patc, msgb_l2len(output)) != 0) {
- printf("Broken on %d msg: '%s'\n", i, (const char *) output->l2h);
- abort();
- }
-
- msgb_free(output);
- free(input);
- }
-}
-
-static void test_mgcp_parse(void)
-{
- int code, ci;
- char transaction[60];
-
- printf("Testing MGCP response parsing.\n");
-
- if (bsc_mgcp_parse_response(crcx_resp, &code, transaction) != 0) {
- printf("Failed to parse CRCX resp.\n");
- abort();
- }
-
- if (code != 200) {
- printf("Failed to parse the CODE properly. Got: %d\n", code);
- abort();
- }
-
- if (strcmp(transaction, "23265295") != 0) {
- printf("Failed to parse transaction id: '%s'\n", transaction);
- abort();
- }
-
- ci = bsc_mgcp_extract_ci(crcx_resp);
- if (ci != 1) {
- printf("Failed to parse the CI. Got: %d\n", ci);
- abort();
- }
-}
-
-struct cr_filter {
- const uint8_t *data;
- int length;
- int result;
- int contype;
-
- const char *bsc_imsi_allow;
- const char *bsc_imsi_deny;
- const char *nat_imsi_deny;
- int nat_cm_reject_cause;
- int nat_lu_reject_cause;
- int bsc_cm_reject_cause;
- int bsc_lu_reject_cause;
- int want_cm_reject_cause;
- int want_lu_reject_cause;
-};
-
-static struct cr_filter cr_filter[] = {
- {
- .data = bssmap_cr,
- .length = sizeof(bssmap_cr),
- .result = 1,
- .contype = FLT_CON_TYPE_CM_SERV_REQ,
- .nat_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .nat_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- },
- {
- .data = bss_lu,
- .length = sizeof(bss_lu),
- .result = 1,
- .contype = FLT_CON_TYPE_LU,
- .nat_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .nat_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- },
- {
- .data = pag_resp,
- .length = sizeof(pag_resp),
- .result = 1,
- .contype = FLT_CON_TYPE_PAG_RESP,
- .nat_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .nat_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- },
- {
- /* nat deny is before blank/null BSC */
- .data = bss_lu,
- .length = sizeof(bss_lu),
- .result = -3,
- .nat_imsi_deny = "[0-9]*",
- .contype = FLT_CON_TYPE_LU,
- .nat_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .nat_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- },
- {
- /* BSC allow is before NAT deny */
- .data = bss_lu,
- .length = sizeof(bss_lu),
- .result = 1,
- .nat_imsi_deny = "[0-9]*",
- .bsc_imsi_allow = "2440[0-9]*",
- .contype = FLT_CON_TYPE_LU,
- .nat_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .nat_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- },
- {
- /* BSC allow is before NAT deny */
- .data = bss_lu,
- .length = sizeof(bss_lu),
- .result = 1,
- .bsc_imsi_allow = "[0-9]*",
- .nat_imsi_deny = "[0-9]*",
- .contype = FLT_CON_TYPE_LU,
- .nat_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .nat_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- },
- {
- /* filter as deny is first */
- .data = bss_lu,
- .length = sizeof(bss_lu),
- .result = 1,
- .bsc_imsi_deny = "[0-9]*",
- .bsc_imsi_allow = "[0-9]*",
- .nat_imsi_deny = "[0-9]*",
- .contype = FLT_CON_TYPE_LU,
- .nat_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .nat_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- },
- {
- /* deny by nat rule */
- .data = bss_lu,
- .length = sizeof(bss_lu),
- .result = -3,
- .bsc_imsi_deny = "000[0-9]*",
- .nat_imsi_deny = "[0-9]*",
- .contype = FLT_CON_TYPE_LU,
- .nat_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .nat_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- },
- {
- /* deny by nat rule */
- .data = bss_lu,
- .length = sizeof(bss_lu),
- .result = -3,
- .bsc_imsi_deny = "000[0-9]*",
- .nat_imsi_deny = "[0-9]*",
- .contype = FLT_CON_TYPE_LU,
- .nat_cm_reject_cause = 0x23,
- .nat_lu_reject_cause = 0x42,
- .bsc_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_lu_reject_cause = 0x42,
- .want_cm_reject_cause = 0x23,
- },
- {
- /* deny by bsc rule */
- .data = bss_lu,
- .length = sizeof(bss_lu),
- .result = -2,
- .bsc_imsi_deny = "[0-9]*",
- .contype = FLT_CON_TYPE_LU,
- .nat_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .nat_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .want_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- },
- {
- /* deny by bsc rule */
- .data = bss_lu,
- .length = sizeof(bss_lu),
- .result = -2,
- .bsc_imsi_deny = "[0-9]*",
- .contype = FLT_CON_TYPE_LU,
- .nat_cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .nat_lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED,
- .bsc_cm_reject_cause = 0x42,
- .bsc_lu_reject_cause = 0x23,
- .want_lu_reject_cause = 0x23,
- .want_cm_reject_cause = 0x42,
- },
-};
-
-static void test_cr_filter()
-{
- int i, res, contype;
- struct msgb *msg = msgb_alloc(4096, "test_cr_filter");
- struct bsc_nat_parsed *parsed;
- struct bsc_msg_acc_lst *nat_lst, *bsc_lst;
- struct bsc_msg_acc_lst_entry *nat_entry, *bsc_entry;
- struct bsc_filter_reject_cause cause;
-
- struct bsc_nat *nat = bsc_nat_alloc();
- struct bsc_connection *bsc = bsc_connection_alloc(nat);
- bsc->cfg = bsc_config_alloc(nat, "foo", 0);
- bsc_config_add_lac(bsc->cfg, 1234);
- bsc->cfg->acc_lst_name = "bsc";
- nat->acc_lst_name = "nat";
-
- nat_lst = bsc_msg_acc_lst_get(nat, &nat->access_lists, "nat");
- bsc_lst = bsc_msg_acc_lst_get(nat, &nat->access_lists, "bsc");
-
- bsc_entry = bsc_msg_acc_lst_entry_create(bsc_lst);
- nat_entry = bsc_msg_acc_lst_entry_create(nat_lst);
-
- /* test the default value as we are going to overwrite it */
- OSMO_ASSERT(bsc_entry->cm_reject_cause == GSM48_REJECT_PLMN_NOT_ALLOWED);
- OSMO_ASSERT(bsc_entry->lu_reject_cause == GSM48_REJECT_PLMN_NOT_ALLOWED);
-
- for (i = 0; i < ARRAY_SIZE(cr_filter); ++i) {
- char *imsi;
- msgb_reset(msg);
- copy_to_msg(msg, cr_filter[i].data, cr_filter[i].length);
-
- bsc_entry->cm_reject_cause = cr_filter[i].bsc_cm_reject_cause;
- bsc_entry->lu_reject_cause = cr_filter[i].bsc_lu_reject_cause;
- nat_entry->cm_reject_cause = cr_filter[i].nat_cm_reject_cause;
- nat_entry->lu_reject_cause = cr_filter[i].nat_lu_reject_cause;
-
- if (gsm_parse_reg(nat_entry, &nat_entry->imsi_deny_re, &nat_entry->imsi_deny,
- cr_filter[i].nat_imsi_deny ? 1 : 0,
- &cr_filter[i].nat_imsi_deny) != 0)
- abort();
- if (gsm_parse_reg(bsc_entry, &bsc_entry->imsi_allow_re, &bsc_entry->imsi_allow,
- cr_filter[i].bsc_imsi_allow ? 1 : 0,
- &cr_filter[i].bsc_imsi_allow) != 0)
- abort();
- if (gsm_parse_reg(bsc_entry, &bsc_entry->imsi_deny_re, &bsc_entry->imsi_deny,
- cr_filter[i].bsc_imsi_deny ? 1 : 0,
- &cr_filter[i].bsc_imsi_deny) != 0)
- abort();
-
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Failed to parse the message\n");
- abort();
- }
-
- memset(&cause, 0, sizeof(cause));
- res = bsc_nat_filter_sccp_cr(bsc, msg, parsed, &contype, &imsi, &cause);
- if (res != cr_filter[i].result) {
- printf("FAIL: Wrong result %d for test %d.\n", res, i);
- abort();
- }
-
-
- OSMO_ASSERT(cause.cm_reject_cause == cr_filter[i].want_cm_reject_cause);
- OSMO_ASSERT(cause.lu_reject_cause == cr_filter[i].want_lu_reject_cause);
-
- if (contype != cr_filter[i].contype) {
- printf("FAIL: Wrong contype %d for test %d.\n", res, contype);
- abort();
- }
-
- talloc_steal(parsed, imsi);
- talloc_free(parsed);
- }
-
- msgb_free(msg);
- bsc_nat_free(nat);
-}
-
-static void test_dt_filter()
-{
- int i;
- struct msgb *msg = msgb_alloc(4096, "test_dt_filter");
- struct bsc_nat_parsed *parsed;
- struct bsc_filter_reject_cause cause;
-
- struct bsc_nat *nat = bsc_nat_alloc();
- struct bsc_connection *bsc = bsc_connection_alloc(nat);
- struct nat_sccp_connection *con = talloc_zero(0, struct nat_sccp_connection);
-
- bsc->cfg = bsc_config_alloc(nat, "foo", 0);
- bsc_config_add_lac(bsc->cfg, 23);
- con->bsc = bsc;
-
- msgb_reset(msg);
- copy_to_msg(msg, id_resp, ARRAY_SIZE(id_resp));
-
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse ID resp\n");
- abort();
- }
-
- if (parsed->bssap != BSSAP_MSG_DTAP) {
- printf("FAIL: It should be dtap\n");
- abort();
- }
-
- /* gsm_type is actually the size of the dtap */
- if (parsed->gsm_type < msgb_l3len(msg) - 3) {
- printf("FAIL: Not enough space for the content\n");
- abort();
- }
-
- memset(&cause, 0, sizeof(cause));
- OSMO_ASSERT(!con->filter_state.imsi);
- if (bsc_nat_filter_dt(bsc, msg, con, parsed, &cause) != 1) {
- printf("FAIL: Should have passed..\n");
- abort();
- }
- OSMO_ASSERT(con->filter_state.imsi);
- OSMO_ASSERT(talloc_parent(con->filter_state.imsi) == con);
-
- /* just some basic length checking... */
- for (i = ARRAY_SIZE(id_resp); i >= 0; --i) {
- msgb_reset(msg);
- copy_to_msg(msg, id_resp, ARRAY_SIZE(id_resp));
-
- parsed = bsc_nat_parse(msg);
- if (!parsed)
- continue;
-
- con->filter_state.imsi_checked = 0;
- memset(&cause, 0, sizeof(cause));
- bsc_nat_filter_dt(bsc, msg, con, parsed, &cause);
- }
-
- msgb_free(msg);
- bsc_nat_free(nat);
-}
-
-static void test_setup_rewrite()
-{
- struct msgb *msg = msgb_alloc(4096, "test_dt_filter");
- struct msgb *out;
- struct bsc_nat_parsed *parsed;
- const char *imsi = "27408000001234";
-
- struct bsc_nat *nat = bsc_nat_alloc();
-
- /* a fake list */
- struct osmo_config_list entries;
- struct osmo_config_entry entry;
-
- INIT_LLIST_HEAD(&entries.entry);
- entry.mcc = "274";
- entry.mnc = "08";
- entry.option = "^0([1-9])";
- entry.text = "0049";
- llist_add_tail(&entry.list, &entries.entry);
- bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, &entries);
-
- /* verify that nothing changed */
- msgb_reset(msg);
- copy_to_msg(msg, cc_setup_international, ARRAY_SIZE(cc_setup_international));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse ID resp\n");
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (msg != out) {
- printf("FAIL: The message should not have been changed\n");
- abort();
- }
-
- verify_msg(out, cc_setup_international, ARRAY_SIZE(cc_setup_international));
- talloc_free(parsed);
-
- /* verify that something in the message changes */
- msgb_reset(msg);
- copy_to_msg(msg, cc_setup_national, ARRAY_SIZE(cc_setup_national));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse ID resp\n");
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (!out) {
- printf("FAIL: A new message should be created.\n");
- abort();
- }
-
- if (msg == out) {
- printf("FAIL: The message should have changed\n");
- abort();
- }
-
- verify_msg(out, cc_setup_national_patched, ARRAY_SIZE(cc_setup_national_patched));
- msgb_free(out);
-
- /* Make sure that a wildcard is matching */
- entry.mnc = "*";
- bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, &entries);
- msg = msgb_alloc(4096, "test_dt_filter");
- copy_to_msg(msg, cc_setup_national, ARRAY_SIZE(cc_setup_national));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse ID resp\n");
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (!out) {
- printf("FAIL: A new message should be created.\n");
- abort();
- }
-
- if (msg == out) {
- printf("FAIL: The message should have changed\n");
- abort();
- }
-
- verify_msg(out, cc_setup_national_patched, ARRAY_SIZE(cc_setup_national_patched));
- msgb_free(out);
-
- /* Make sure that a wildcard is matching */
- entry.mnc = "09";
- bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, &entries);
- msg = msgb_alloc(4096, "test_dt_filter");
- copy_to_msg(msg, cc_setup_national, ARRAY_SIZE(cc_setup_national));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse ID resp\n");
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (out != msg) {
- printf("FAIL: The message should be unchanged.\n");
- abort();
- }
-
- verify_msg(out, cc_setup_national, ARRAY_SIZE(cc_setup_national));
- msgb_free(out);
-
- /* Now see what happens to an international number */
- entry.mnc = "*";
- entry.option = "^\\+[0-9][0-9]([1-9])";
- entry.text = "0036";
- bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, &entries);
- msg = msgb_alloc(4096, "test_dt_filter");
- copy_to_msg(msg, cc_setup_national_patched, ARRAY_SIZE(cc_setup_national_patched));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse ID resp %d\n", __LINE__);
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (!out) {
- printf("FAIL: A new message should be created %d.\n", __LINE__);
- abort();
- }
-
- if (msg == out) {
- printf("FAIL: The message should have changed %d\n", __LINE__);
- abort();
- }
-
- verify_msg(out, cc_setup_national_patched_patched,
- ARRAY_SIZE(cc_setup_national_patched_patched));
- msgb_free(out);
-
- /* go from international back to national */
- entry.mnc = "*";
- entry.option = "^\\+([0-9])";
- entry.text = "36";
- bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, &entries);
- msg = msgb_alloc(4096, "test_dt_filter");
- copy_to_msg(msg, cc_setup_national_patched, ARRAY_SIZE(cc_setup_national_patched));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse ID resp %d\n", __LINE__);
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (!out) {
- printf("FAIL: A new message should be created %d.\n", __LINE__);
- abort();
- }
-
- if (msg == out) {
- printf("FAIL: The message should have changed %d\n", __LINE__);
- abort();
- }
-
- verify_msg(out, cc_setup_national_again,
- ARRAY_SIZE(cc_setup_national_again));
- msgb_free(out);
- bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, NULL);
- bsc_nat_free(nat);
-}
-
-static void test_setup_rewrite_prefix(void)
-{
- struct msgb *msg = msgb_alloc(4096, "test_dt_filter");
- struct msgb *out;
- struct bsc_nat_parsed *parsed;
- const char *imsi = "27408000001234";
-
- struct bsc_nat *nat = bsc_nat_alloc();
-
- /* a fake list */
- struct osmo_config_list entries;
- struct osmo_config_entry entry;
-
- INIT_LLIST_HEAD(&entries.entry);
- entry.mcc = "274";
- entry.mnc = "08";
- entry.option = "^0([1-9])";
- entry.text = "prefix_lookup";
- llist_add_tail(&entry.list, &entries.entry);
- bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, &entries);
-
- nat->num_rewr_trie = nat_rewrite_parse(nat, "prefixes.csv");
-
- msgb_reset(msg);
- copy_to_msg(msg, cc_setup_national, ARRAY_SIZE(cc_setup_national));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse ID resp\n");
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (!out) {
- printf("FAIL: A new message should be created.\n");
- abort();
- }
-
- if (msg == out) {
- printf("FAIL: The message should have changed\n");
- abort();
- }
-
- verify_msg(out, cc_setup_national_patched, ARRAY_SIZE(cc_setup_national_patched));
- msgb_free(out);
-
- bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, NULL);
- bsc_nat_free(nat);
-}
-
-static void test_setup_rewrite_post(void)
-{
- struct msgb *msg = msgb_alloc(4096, "test_dt_filter");
- struct msgb *out;
- struct bsc_nat_parsed *parsed;
- const char *imsi = "27408000001234";
-
- struct bsc_nat *nat = bsc_nat_alloc();
-
- /* a fake list */
- struct osmo_config_list entries;
- struct osmo_config_entry entry;
- struct osmo_config_list entries_post;
- struct osmo_config_entry entry_post;
-
- INIT_LLIST_HEAD(&entries.entry);
- entry.mcc = "274";
- entry.mnc = "08";
- entry.option = "^0([1-9])";
- entry.text = "0049";
- llist_add_tail(&entry.list, &entries.entry);
- bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, &entries);
-
- /* attempt to undo the previous one */
- INIT_LLIST_HEAD(&entries_post.entry);
- entry_post.mcc = "274";
- entry_post.mnc = "08";
- entry_post.option = "^\\+49([1-9])";
- entry_post.text = "prefix_lookup";
- llist_add_tail(&entry_post.list, &entries_post.entry);
- bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr_post, &entries_post);
-
- nat->num_rewr_trie = nat_rewrite_parse(nat, "prefixes.csv");
-
- msgb_reset(msg);
- copy_to_msg(msg, cc_setup_national, ARRAY_SIZE(cc_setup_national));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse ID resp\n");
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (!out) {
- printf("FAIL: A new message should be created.\n");
- abort();
- }
-
- if (msg == out) {
- printf("FAIL: The message should have changed\n");
- abort();
- }
-
- verify_msg(out, cc_setup_national, ARRAY_SIZE(cc_setup_national));
- msgb_free(out);
-
- bsc_nat_free(nat);
-}
-
-static void test_sms_smsc_rewrite()
-{
- struct msgb *msg = msgb_alloc(4096, "SMSC rewrite"), *out;
- struct bsc_nat_parsed *parsed;
- const char *imsi = "515039900406700";
-
- struct bsc_nat *nat = bsc_nat_alloc();
-
- /* a fake list */
- struct osmo_config_list smsc_entries, dest_entries, clear_entries;
- struct osmo_config_entry smsc_entry, dest_entry, clear_entry;
-
- INIT_LLIST_HEAD(&smsc_entries.entry);
- INIT_LLIST_HEAD(&dest_entries.entry);
- INIT_LLIST_HEAD(&clear_entries.entry);
- smsc_entry.mcc = "^515039";
- smsc_entry.option = "639180000105()";
- smsc_entry.text = "6666666666667";
- llist_add_tail(&smsc_entry.list, &smsc_entries.entry);
- dest_entry.mcc = "515";
- dest_entry.mnc = "03";
- dest_entry.option = "^0049";
- dest_entry.text = "";
- llist_add_tail(&dest_entry.list, &dest_entries.entry);
- clear_entry.mcc = "^515039";
- clear_entry.option = "^0049";
- clear_entry.text = "";
- llist_add_tail(&clear_entry.list, &clear_entries.entry);
-
- bsc_nat_num_rewr_entry_adapt(nat, &nat->smsc_rewr, &smsc_entries);
- bsc_nat_num_rewr_entry_adapt(nat, &nat->tpdest_match, &dest_entries);
- bsc_nat_num_rewr_entry_adapt(nat, &nat->sms_clear_tp_srr, &clear_entries);
-
- printf("Testing SMSC rewriting.\n");
-
- /*
- * Check if the SMSC address is changed
- */
- copy_to_msg(msg, smsc_rewrite, ARRAY_SIZE(smsc_rewrite));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse SMS\n");
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (out == msg) {
- printf("FAIL: This should have changed.\n");
- abort();
- }
-
- verify_msg(out, smsc_rewrite_patched, ARRAY_SIZE(smsc_rewrite_patched));
- msgb_free(out);
-
- /* clear out the filter for SMSC */
- printf("Attempting to only rewrite the HDR\n");
- bsc_nat_num_rewr_entry_adapt(nat, &nat->smsc_rewr, NULL);
- msg = msgb_alloc(4096, "SMSC rewrite");
- copy_to_msg(msg, smsc_rewrite, ARRAY_SIZE(smsc_rewrite));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse SMS\n");
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (out == msg) {
- printf("FAIL: This should have changed.\n");
- abort();
- }
-
- verify_msg(out, smsc_rewrite_patched_hdr, ARRAY_SIZE(smsc_rewrite_patched_hdr));
- msgb_free(out);
-
- /* clear out the next filter */
- printf("Attempting to change nothing.\n");
- bsc_nat_num_rewr_entry_adapt(nat, &nat->sms_clear_tp_srr, NULL);
- msg = msgb_alloc(4096, "SMSC rewrite");
- copy_to_msg(msg, smsc_rewrite, ARRAY_SIZE(smsc_rewrite));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse SMS\n");
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (out != msg) {
- printf("FAIL: This should not have changed.\n");
- abort();
- }
-
- verify_msg(out, smsc_rewrite, ARRAY_SIZE(smsc_rewrite));
- msgb_free(out);
- bsc_nat_free(nat);
-}
-
-static void test_sms_number_rewrite(void)
-{
- struct msgb *msg, *out;
- struct bsc_nat_parsed *parsed;
- const char *imsi = "515039900406700";
-
- struct bsc_nat *nat = bsc_nat_alloc();
-
- /* a fake list */
- struct osmo_config_list num_entries, clear_entries;
- struct osmo_config_entry num_entry, clear_entry;
-
- INIT_LLIST_HEAD(&num_entries.entry);
- num_entry.mcc = "^515039";
- num_entry.option = "^0049()";
- num_entry.text = "0032";
- llist_add_tail(&num_entry.list, &num_entries.entry);
-
- bsc_nat_num_rewr_entry_adapt(nat, &nat->sms_num_rewr, &num_entries);
-
- printf("Testing SMS TP-DA rewriting.\n");
-
- /*
- * Check if the SMSC address is changed
- */
- msg = msgb_alloc(4096, "SMSC rewrite");
- copy_to_msg(msg, smsc_rewrite, ARRAY_SIZE(smsc_rewrite));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse SMS\n");
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (out == msg) {
- printf("FAIL: This should have changed.\n");
- abort();
- }
-
- verify_msg(out, smsc_rewrite_num_patched,
- ARRAY_SIZE(smsc_rewrite_num_patched));
- msgb_free(out);
-
- /*
- * Now with TP-SRR rewriting enabled
- */
- INIT_LLIST_HEAD(&clear_entries.entry);
- clear_entry.mcc = "^515039";
- clear_entry.option = "";
- clear_entry.text = "";
- llist_add_tail(&clear_entry.list, &clear_entries.entry);
- bsc_nat_num_rewr_entry_adapt(nat, &nat->sms_clear_tp_srr, &clear_entries);
-
- msg = msgb_alloc(4096, "SMSC rewrite");
- copy_to_msg(msg, smsc_rewrite, ARRAY_SIZE(smsc_rewrite));
- parsed = bsc_nat_parse(msg);
- if (!parsed) {
- printf("FAIL: Could not parse SMS\n");
- abort();
- }
-
- out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi);
- if (out == msg) {
- printf("FAIL: This should have changed.\n");
- abort();
- }
-
- verify_msg(out, smsc_rewrite_num_patched_tp_srr,
- ARRAY_SIZE(smsc_rewrite_num_patched_tp_srr));
- msgb_free(out);
- bsc_nat_free(nat);
-}
-
-static void test_barr_list_parsing(void)
-{
- int rc;
- int cm, lu;
- struct rb_node *node;
- struct rb_root root = RB_ROOT;
- struct osmo_config_list *lst = osmo_config_list_parse(NULL, "barr.cfg");
- if (lst == NULL)
- abort();
-
- rc = bsc_filter_barr_adapt(NULL, &root, lst);
- if (rc != 0)
- abort();
- talloc_free(lst);
-
-
- for (node = rb_first(&root); node; node = rb_next(node)) {
- struct bsc_filter_barr_entry *entry;
- entry = rb_entry(node, struct bsc_filter_barr_entry, node);
- printf("IMSI: %s CM: %d LU: %d\n", entry->imsi,
- entry->cm_reject_cause, entry->lu_reject_cause);
- }
-
- /* do the look up now.. */
- rc = bsc_filter_barr_find(&root, "12123119", &cm, &lu);
- if (!rc) {
- printf("Failed to find the IMSI.\n");
- abort();
- }
-
- if (cm != 3 || lu != 4) {
- printf("Found CM(%d) and LU(%d)\n", cm, lu);
- abort();
- }
-
- /* empty and check that it is empty */
- bsc_filter_barr_adapt(NULL, &root, NULL);
- if (!RB_EMPTY_ROOT(&root)) {
- printf("Failed to empty the list.\n");
- abort();
- }
-
- /* check that dup results in an error */
- lst = osmo_config_list_parse(NULL, "barr_dup.cfg");
- if (lst == NULL) {
- printf("Failed to parse list with dups\n");
- abort();
- }
-
- rc = bsc_filter_barr_adapt(NULL, &root, lst);
- if (rc != -1) {
- printf("It should have failed due dup\n");
- abort();
- }
- talloc_free(lst);
-
- /* dump for reference */
- for (node = rb_first(&root); node; node = rb_next(node)) {
- struct bsc_filter_barr_entry *entry;
- entry = rb_entry(node, struct bsc_filter_barr_entry, node);
- printf("IMSI: %s CM: %d LU: %d\n", entry->imsi,
- entry->cm_reject_cause, entry->lu_reject_cause);
-
- }
- rc = bsc_filter_barr_adapt(NULL, &root, NULL);
-}
-
-static void test_nat_extract_lac()
-{
- int res;
- struct bsc_connection *bsc;
- struct bsc_nat *nat;
- struct nat_sccp_connection con;
- struct bsc_nat_parsed *parsed;
- struct msgb *msg = msgb_alloc(4096, "test-message");
-
- printf("Testing LAC extraction from SCCP CR\n");
-
- /* initialize the testcase */
- nat = bsc_nat_alloc();
- bsc = bsc_connection_alloc(nat);
- bsc->cfg = bsc_config_alloc(nat, "foo", 0);
-
- memset(&con, 0, sizeof(con));
- con.bsc = bsc;
-
- /* create the SCCP CR */
- msg->l2h = msgb_put(msg, ARRAY_SIZE(bssmap_cr));
- memcpy(msg->l2h, bssmap_cr, ARRAY_SIZE(bssmap_cr));
-
- /* parse it and pass it on */
- parsed = bsc_nat_parse(msg);
- res = bsc_nat_extract_lac(bsc, &con, parsed, msg);
- OSMO_ASSERT(res == 0);
-
- /* verify the LAC */
- OSMO_ASSERT(con.lac == 8210);
- OSMO_ASSERT(con.ci == 50000);
-
- bsc_nat_free(nat);
-}
-
-int main(int argc, char **argv)
-{
- msgb_talloc_ctx_init(NULL, 0);
- sccp_set_log_area(DSCCP);
- osmo_init_logging(&log_info);
-
- test_filter();
- test_contrack();
- test_paging();
- test_mgcp_ass_tracking();
- test_mgcp_find();
- test_mgcp_rewrite();
- test_mgcp_parse();
- test_cr_filter();
- test_dt_filter();
- test_setup_rewrite();
- test_setup_rewrite_prefix();
- test_setup_rewrite_post();
- test_sms_smsc_rewrite();
- test_sms_number_rewrite();
- test_mgcp_allocations();
- test_barr_list_parsing();
- test_nat_extract_lac();
-
- printf("Testing execution completed.\n");
- return 0;
-}
-
-/* stub */
-void bsc_nat_send_mgcp_to_msc(struct bsc_nat *nat, struct msgb *msg)
-{
- abort();
-}