From f1bb05fbef79fc4f112f3a9604d2f8e03d0aa652 Mon Sep 17 00:00:00 2001 From: Holger Hans Peter Freyther Date: Tue, 27 Jul 2010 21:00:21 +0800 Subject: nat: Remove the nat code from the On-Waves branch... new code is in master --- openbsc/tests/Makefile.am | 2 +- openbsc/tests/bsc-nat/Makefile.am | 17 - openbsc/tests/bsc-nat/bsc_data.c | 154 -------- openbsc/tests/bsc-nat/bsc_nat_test.c | 728 ----------------------------------- 4 files changed, 1 insertion(+), 900 deletions(-) delete mode 100644 openbsc/tests/bsc-nat/Makefile.am delete mode 100644 openbsc/tests/bsc-nat/bsc_data.c delete mode 100644 openbsc/tests/bsc-nat/bsc_nat_test.c (limited to 'openbsc/tests') diff --git a/openbsc/tests/Makefile.am b/openbsc/tests/Makefile.am index b469832fc..3b1b93120 100644 --- a/openbsc/tests/Makefile.am +++ b/openbsc/tests/Makefile.am @@ -1 +1 @@ -SUBDIRS = debug gsm0408 db channel sccp bsc-nat +SUBDIRS = debug gsm0408 db channel sccp diff --git a/openbsc/tests/bsc-nat/Makefile.am b/openbsc/tests/bsc-nat/Makefile.am deleted file mode 100644 index 091c8fec7..000000000 --- a/openbsc/tests/bsc-nat/Makefile.am +++ /dev/null @@ -1,17 +0,0 @@ -INCLUDES = $(all_includes) -I$(top_srcdir)/include -AM_CFLAGS=-Wall -ggdb3 $(LIBOSMOCORE_CFLAGS) - -EXTRA_DIST = bsc_data.c - -noinst_PROGRAMS = bsc_nat_test - -bsc_nat_test_SOURCES = bsc_nat_test.c \ - $(top_srcdir)/src/nat/bsc_filter.c \ - $(top_srcdir)/src/nat/bsc_sccp.c \ - $(top_srcdir)/src/nat/bsc_nat_utils.c \ - $(top_srcdir)/src/nat/bsc_mgcp_utils.c \ - $(top_srcdir)/src/mgcp/mgcp_protocol.c \ - $(top_srcdir)/src/mgcp/mgcp_network.c \ - $(top_srcdir)/src/bssap.c -bsc_nat_test_LDADD = $(top_builddir)/src/libbsc.a $(top_builddir)/src/libsccp.a $(LIBOSMOCORE_LIBS) -lrt - diff --git a/openbsc/tests/bsc-nat/bsc_data.c b/openbsc/tests/bsc-nat/bsc_data.c deleted file mode 100644 index 34242db8c..000000000 --- a/openbsc/tests/bsc-nat/bsc_data.c +++ /dev/null @@ -1,154 +0,0 @@ -/* test data */ - -/* BSC -> MSC, CR */ -static const u_int8_t bsc_cr[] = { -0x00, 0x2e, 0xfd, -0x01, 0x00, 0x00, 0x15, 0x02, 0x02, 0x04, 0x02, -0x42, 0xfe, 0x0f, 0x21, 0x00, 0x1f, 0x57, 0x05, -0x08, 0x00, 0x72, 0xf4, 0x80, 0x20, 0x1c, 0xc3, -0x51, 0x17, 0x12, 0x05, 0x08, 0x20, 0x72, 0xf4, -0x90, 0x20, 0x1d, 0x50, 0x08, 0x29, 0x47, 0x80, -0x00, 0x00, 0x00, 0x00, 0x80, 0x00 }; - -static const u_int8_t bsc_cr_patched[] = { -0x00, 0x2e, 0xfd, -0x01, 0x00, 0x00, 0x05, 0x02, 0x02, 0x04, 0x02, -0x42, 0xfe, 0x0f, 0x21, 0x00, 0x1f, 0x57, 0x05, -0x08, 0x00, 0x72, 0xf4, 0x80, 0x20, 0x1c, 0xc3, -0x51, 0x17, 0x12, 0x05, 0x08, 0x20, 0x72, 0xf4, -0x90, 0x20, 0x1d, 0x50, 0x08, 0x29, 0x47, 0x80, -0x00, 0x00, 0x00, 0x00, 0x80, 0x00 }; - -/* CC, MSC -> BSC */ -static const u_int8_t msc_cc[] = { -0x00, 0x0a, 0xfd, -0x02, 0x00, 0x00, 0x05, 0x01, 0x1f, 0xe4, 0x02, -0x01, 0x00 }; -static const u_int8_t msc_cc_patched[] = { -0x00, 0x0a, 0xfd, -0x02, 0x00, 0x00, 0x15, 0x01, 0x1f, 0xe4, 0x02, -0x01, 0x00 }; - -/* Classmark, BSC -> MSC */ -static const u_int8_t bsc_dtap[] = { -0x00, 0x17, 0xfd, -0x06, 0x01, 0x1f, 0xe4, 0x00, 0x01, 0x10, 0x00, -0x0e, 0x54, 0x12, 0x03, 0x50, 0x18, 0x93, 0x13, -0x06, 0x60, 0x14, 0x45, 0x00, 0x81, 0x00 }; - -static const u_int8_t bsc_dtap_patched[] = { -0x00, 0x17, 0xfd, -0x06, 0x01, 0x1f, 0xe4, 0x00, 0x01, 0x10, 0x00, -0x0e, 0x54, 0x12, 0x03, 0x50, 0x18, 0x93, 0x13, -0x06, 0x60, 0x14, 0x45, 0x00, 0x81, 0x00 }; - -/* Clear command, MSC -> BSC */ -static const u_int8_t msc_dtap[] = { -0x00, 0x0d, 0xfd, -0x06, 0x00, 0x00, 0x05, 0x00, 0x01, 0x06, 0x00, -0x04, 0x20, 0x04, 0x01, 0x09 }; -static const u_int8_t msc_dtap_patched[] = { -0x00, 0x0d, 0xfd, -0x06, 0x00, 0x00, 0x15, 0x00, 0x01, 0x06, 0x00, -0x04, 0x20, 0x04, 0x01, 0x09 }; - -/*RLSD, MSC -> BSC */ -static const u_int8_t msc_rlsd[] = { -0x00, 0x0a, 0xfd, -0x04, 0x00, 0x00, 0x05, 0x01, 0x1f, 0xe4, 0x00, -0x01, 0x00 }; -static const u_int8_t msc_rlsd_patched[] = { -0x00, 0x0a, 0xfd, -0x04, 0x00, 0x00, 0x15, 0x01, 0x1f, 0xe4, 0x00, -0x01, 0x00 }; - -/* RLC, BSC -> MSC */ -static const u_int8_t bsc_rlc[] = { -0x00, 0x07, 0xfd, -0x05, 0x01, 0x1f, 0xe4, 0x00, 0x00, 0x15 }; - -static const u_int8_t bsc_rlc_patched[] = { -0x00, 0x07, 0xfd, -0x05, 0x01, 0x1f, 0xe4, 0x00, 0x00, 0x05 }; - - -/* a paging command */ -static const u_int8_t paging_by_lac_cmd[] = { -0x00, 0x22, 0xfd, 0x09, -0x00, 0x03, 0x07, 0x0b, 0x04, 0x43, 0x02, 0x00, -0xfe, 0x04, 0x43, 0x5c, 0x00, 0xfe, 0x12, 0x00, -0x10, 0x52, 0x08, 0x08, 0x29, 0x47, 0x10, 0x02, -0x01, 0x50, 0x02, 0x30, 0x1a, 0x03, 0x05, 0x20, -0x15 }; - -/* an assignment command */ -static const u_int8_t ass_cmd[] = { -0x00, 0x12, 0xfd, 0x06, -0x00, 0x00, 0x49, 0x00, 0x01, 0x0b, 0x00, 0x09, -0x01, 0x0b, 0x03, 0x01, 0x0a, 0x11, 0x01, 0x00, -0x15 }; - -/* - * MGCP messages - */ - -/* nothing to patch */ -static const char crcx[] = "CRCX 23265295 8@mgw MGCP 1.0\r\nC: 394b0439fb\r\nL: p:20, a:AMR, nt:IN\r\nM: recvonly\r\n"; -static const char crcx_patched[] = "CRCX 23265295 8@mgw MGCP 1.0\r\nC: 394b0439fb\r\nL: p:20, a:AMR, nt:IN\r\nM: recvonly\r\n"; - - -/* patch the ip and port */ -static const char crcx_resp[] = "200 23265295\r\nI: 1\r\n\r\nv=0\r\nc=IN IP4 172.16.18.2\r\nm=audio 4002 RTP/AVP 98\r\na=rtpmap:98 AMR/8000\r\n"; -static const char crcx_resp_patched[] = "200 23265295\r\nI: 1\r\n\r\nv=0\r\nc=IN IP4 10.0.0.1\r\nm=audio 999 RTP/AVP 98\r\na=rtpmap:98 AMR/8000\r\n"; - -/* patch the ip and port */ -static const char mdcx[] = " MDCX 23330829 8@mgw MGCP 1.0\r\nC: 394b0439fb\r\nI: 1\r\nL: p:20, a:AMR, nt:IN\r\nM: recvonly\r\n\r\nv=0\r\no=- 1049380491 0 IN IP4 172.16.18.2\r\ns=-\r\nc=IN IP4 172.16.18.2\r\nt=0 0\r\nm=audio 4410 RTP/AVP 126\r\na=rtpmap:126 AMR/8000/1\r\na=fmtp:126 mode-set=2;start-mode=0\r\na=ptime:20\r\na=recvonly\r\nm=image 4412 udptl t38\r\na=T38FaxVersion:0\r\na=T38MaxBitRate:14400\r\n"; -static const char mdcx_patched[] = " MDCX 23330829 8@mgw MGCP 1.0\r\nC: 394b0439fb\r\nI: 1\r\nL: p:20, a:AMR, nt:IN\r\nM: recvonly\r\n\r\nv=0\r\no=- 1049380491 0 IN IP4 172.16.18.2\r\ns=-\r\nc=IN IP4 10.0.0.23\r\nt=0 0\r\nm=audio 6666 RTP/AVP 126\r\na=rtpmap:126 AMR/8000/1\r\na=fmtp:126 mode-set=2;start-mode=0\r\na=ptime:20\r\na=recvonly\r\nm=image 4412 udptl t38\r\na=T38FaxVersion:0\r\na=T38MaxBitRate:14400\r\n"; - - -static const char mdcx_resp[] = "200 23330829\r\n\r\nv=0\r\nc=IN IP4 172.16.18.2\r\nm=audio 4002 RTP/AVP 98\r\na=rtpmap:98 AMR/8000\r\n"; -static const char mdcx_resp_patched[] = "200 23330829\r\n\r\nv=0\r\nc=IN IP4 10.0.0.23\r\nm=audio 5555 RTP/AVP 98\r\na=rtpmap:98 AMR/8000\r\n"; - -/* different line ending */ -static const char mdcx_resp2[] = "200 33330829\n\nv=0\nc=IN IP4 172.16.18.2\nm=audio 4002 RTP/AVP 98\na=rtpmap:98 AMR/8000\n"; -static const char mdcx_resp_patched2[] = "200 33330829\n\nv=0\nc=IN IP4 10.0.0.23\nm=audio 5555 RTP/AVP 98\na=rtpmap:98 AMR/8000\n"; - -struct mgcp_patch_test { - const char *orig; - const char *patch; - const char *ip; - const int port; -}; - -static const struct mgcp_patch_test mgcp_messages[] = { - { - .orig = crcx, - .patch = crcx_patched, - .ip = "0.0.0.0", - .port = 2323, - }, - { - .orig = crcx_resp, - .patch = crcx_resp_patched, - .ip = "10.0.0.1", - .port = 999, - }, - { - .orig = mdcx, - .patch = mdcx_patched, - .ip = "10.0.0.23", - .port = 6666, - }, - { - .orig = mdcx_resp, - .patch = mdcx_resp_patched, - .ip = "10.0.0.23", - .port = 5555, - }, - { - .orig = mdcx_resp2, - .patch = mdcx_resp_patched2, - .ip = "10.0.0.23", - .port = 5555, - }, -}; diff --git a/openbsc/tests/bsc-nat/bsc_nat_test.c b/openbsc/tests/bsc-nat/bsc_nat_test.c deleted file mode 100644 index 0c5b8fd51..000000000 --- a/openbsc/tests/bsc-nat/bsc_nat_test.c +++ /dev/null @@ -1,728 +0,0 @@ -/* - * BSC NAT Message filtering - * - * (C) 2010 by Holger Hans Peter Freyther - * (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 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 -#include -#include - -#include - -#include - -/* test messages for ipa */ -static u_int8_t ipa_id[] = { - 0x00, 0x01, 0xfe, 0x06, -}; - -/* SCCP messages are below */ -static u_int8_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 u_int8_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 u_int8_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 u_int8_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 u_int8_t bssmap_cc[] = { - 0x00, 0x0a, 0xfd, - 0x02, 0x01, 0x02, 0x03, 0x00, 0x00, 0x03, 0x02, 0x01, 0x00, -}; - -/* MSC -> BSC released */ -static const u_int8_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 u_int8_t bssmap_release_complete[] = { - 0x00, 0x07, 0xfd, - 0x05, 0x01, 0x02, 0x03, 0x00, 0x00, 0x03 -}; - -/* both directions IT timer */ -static const u_int8_t connnection_it[] = { - 0x00, 0x0b, 0xfd, - 0x10, 0x01, 0x02, 0x03, 0x01, 0x02, 0x03, - 0x00, 0x00, 0x00, 0x00, -}; - -/* error in both directions */ -static const u_int8_t proto_error[] = { - 0x00, 0x05, 0xfd, - 0x0f, 0x22, 0x33, 0x44, 0x00, -}; - -/* MGCP wrap... */ -static const u_int8_t mgcp_msg[] = { - 0x00, 0x03, 0xfc, - 0x20, 0x20, 0x20, -}; - -/* location updating request */ -static const u_int8_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 u_int8_t *data; - const u_int16_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 */ - fprintf(stderr, "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"); - - fprintf(stderr, "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) { - fprintf(stderr, "FAIL: Failed to parse the message\n"); - continue; - } - - result = bsc_nat_filter_ipa(results[i].dir, msg, parsed); - if (result != results[i].result) { - fprintf(stderr, "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 u_int8_t *data, unsigned int length) -{ - msgb_reset(msg); - msg->l2h = msgb_put(msg, length); - memcpy(msg->l2h, data, msgb_l2len(msg)); -} - -#define VERIFY(con_found, con, msg, ver, str) \ - if (!con_found || con_found->bsc != con) { \ - fprintf(stderr, "Failed to find the con: %p\n", con_found); \ - abort(); \ - } \ - if (memcmp(msg->data, ver, sizeof(ver)) != 0) { \ - fprintf(stderr, "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 sccp_connections *con_found; - struct sccp_connections *rc_con; - struct bsc_nat_parsed *parsed; - struct msgb *msg; - - fprintf(stderr, "Testing connection tracking.\n"); - nat = bsc_nat_alloc(); - con = bsc_connection_alloc(nat); - con->cfg = bsc_config_alloc(nat, "foo", 23); - 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) { - fprintf(stderr, "Con should not exist %p\n", con_found); - abort(); - } - rc_con = create_sccp_src_ref(con, parsed); - if (!rc_con) { - fprintf(stderr, "Failed to create a ref\n"); - abort(); - } - con_found = patch_sccp_src_ref_to_msc(msg, parsed, con); - if (!con_found || con_found->bsc != con) { - fprintf(stderr, "Failed to find the con: %p\n", con_found); - abort(); - } - if (con_found != rc_con) { - fprintf(stderr, "Failed to find the right connection.\n"); - abort(); - } - if (memcmp(msg->data, bsc_cr_patched, sizeof(bsc_cr_patched)) != 0) { - fprintf(stderr, "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) { - fprintf(stderr, "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 || con_found->bsc != con) { - fprintf(stderr, "Failed to find the con: %p\n", con_found); - abort(); - } - if (memcmp(msg->data, bsc_rlc_patched, sizeof(bsc_rlc_patched)) != 0) { - fprintf(stderr, "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) { - fprintf(stderr, "Con should be gone. %p\n", con_found); - abort(); - } - talloc_free(parsed); - - - talloc_free(nat); - msgb_free(msg); -} - -static void test_paging(void) -{ - int lac; - struct bsc_nat *nat; - struct bsc_connection *con; - struct bsc_nat_parsed *parsed; - struct bsc_config cfg; - struct msgb *msg; - - fprintf(stderr, "Testing paging by lac.\n"); - - nat = bsc_nat_alloc(); - con = bsc_connection_alloc(nat); - con->cfg = &cfg; - cfg.lac = 23; - con->authenticated = 1; - llist_add(&con->list_entry, &nat->bsc_connections); - msg = msgb_alloc(4096, "test"); - - /* Test completely bad input */ - copy_to_msg(msg, paging_by_lac_cmd, sizeof(paging_by_lac_cmd)); - if (bsc_nat_find_bsc(nat, msg, &lac) != 0) { - fprintf(stderr, "Should have not found anything.\n"); - abort(); - } - - /* Test it by not finding it */ - copy_to_msg(msg, paging_by_lac_cmd, sizeof(paging_by_lac_cmd)); - parsed = bsc_nat_parse(msg); - if (bsc_nat_find_bsc(nat, msg, &lac) != 0) { - fprintf(stderr, "Should have not found aynthing.\n"); - abort(); - } - talloc_free(parsed); - - /* Test by finding it */ - cfg.lac = 8213; - copy_to_msg(msg, paging_by_lac_cmd, sizeof(paging_by_lac_cmd)); - parsed = bsc_nat_parse(msg); - if (bsc_nat_find_bsc(nat, msg, &lac) != con) { - fprintf(stderr, "Should have found it.\n"); - abort(); - } - talloc_free(parsed); -} - -static void test_mgcp_ass_tracking(void) -{ - struct bsc_connection *bsc; - struct bsc_nat *nat; - struct sccp_connections con; - struct bsc_nat_parsed *parsed; - struct msgb *msg; - - fprintf(stderr, "Testing MGCP.\n"); - memset(&con, 0, sizeof(con)); - - nat = bsc_nat_alloc(); - nat->bsc_endpoints = talloc_zero_array(nat, - struct bsc_endpoint, - 33); - bsc = bsc_connection_alloc(nat); - bsc->cfg = bsc_config_alloc(nat, "foo", 2323); - con.bsc = bsc; - - msg = msgb_alloc(4096, "foo"); - copy_to_msg(msg, ass_cmd, sizeof(ass_cmd)); - parsed = bsc_nat_parse(msg); - if (bsc_mgcp_assign(&con, msg) != 0) { - fprintf(stderr, "Failed to handle assignment.\n"); - abort(); - } - - if (con.msc_timeslot != 21) { - fprintf(stderr, "Timeslot should be 21.\n"); - abort(); - } - - if (con.bsc_timeslot != 21) { - fprintf(stderr, "Assigned timeslot should have been 21.\n"); - abort(); - } - talloc_free(parsed); - - bsc_mgcp_dlcx(&con); - if (con.bsc_timeslot != -1 || con.msc_timeslot != -1) { - fprintf(stderr, "Clearing should remove the mapping.\n"); - abort(); - } - - talloc_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 sccp_connections *sccp_con; - - fprintf(stderr, "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 sccp_connections); - sccp_con->msc_timeslot = 12; - sccp_con->bsc_timeslot = 12; - sccp_con->bsc = con; - llist_add(&sccp_con->list_entry, &nat->sccp_connections); - - if (bsc_mgcp_find_con(nat, 11) != NULL) { - fprintf(stderr, "Found the wrong connection.\n"); - abort(); - } - - if (bsc_mgcp_find_con(nat, 12) != sccp_con) { - fprintf(stderr, "Didn't find the connection\n"); - abort(); - } - - sccp_con->msc_timeslot = 0; - sccp_con->bsc_timeslot = 0; - if (bsc_mgcp_find_con(nat, 1) != sccp_con) { - fprintf(stderr, "Didn't find the connection\n"); - abort(); - } - - /* free everything */ - talloc_free(nat); -} - -static void test_mgcp_rewrite(void) -{ - int i; - struct msgb *output; - fprintf(stderr, "Test 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; - - char *input = strdup(orig); - - output = bsc_mgcp_rewrite(input, strlen(input), ip, port); - if (msgb_l2len(output) != strlen(patc)) { - fprintf(stderr, "Wrong sizes for test: %d %d != %d != %d\n", i, msgb_l2len(output), strlen(patc), strlen(orig)); - fprintf(stderr, "String '%s' vs '%s'\n", (const char *) output->l2h, patc); - abort(); - } - - if (memcmp(output->l2h, patc, msgb_l2len(output)) != 0) { - fprintf(stderr, "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]; - - fprintf(stderr, "Test MGCP response parsing.\n"); - - if (bsc_mgcp_parse_response(crcx_resp, &code, transaction) != 0) { - fprintf(stderr, "Failed to parse CRCX resp.\n"); - abort(); - } - - if (code != 200) { - fprintf(stderr, "Failed to parse the CODE properly. Got: %d\n", code); - abort(); - } - - if (strcmp(transaction, "23265295") != 0) { - fprintf(stderr, "Failed to parse transaction id: '%s'\n", transaction); - abort(); - } - - ci = bsc_mgcp_extract_ci(crcx_resp); - if (ci != 1) { - fprintf(stderr, "Failed to parse the CI. Got: %d\n", ci); - abort(); - } -} - -struct cr_filter { - const u_int8_t *data; - int length; - int result; - int contype; - - const char *bsc_imsi_allow; - const char *bsc_imsi_deny; - const char *nat_imsi_deny; -}; - -static struct cr_filter cr_filter[] = { - { - .data = bssmap_cr, - .length = sizeof(bssmap_cr), - .result = 0, - .contype = NAT_CON_TYPE_CM_SERV_REQ, - }, - { - .data = bss_lu, - .length = sizeof(bss_lu), - .result = 0, - .contype = NAT_CON_TYPE_LU, - }, - { - .data = pag_resp, - .length = sizeof(pag_resp), - .result = 0, - .contype = NAT_CON_TYPE_PAG_RESP, - }, - { - /* nat deny is before blank/null BSC */ - .data = bss_lu, - .length = sizeof(bss_lu), - .result = -3, - .nat_imsi_deny = "[0-9]*", - .contype = NAT_CON_TYPE_LU, - }, - { - /* BSC allow is before NAT deny */ - .data = bss_lu, - .length = sizeof(bss_lu), - .result = 0, - .nat_imsi_deny = "[0-9]*", - .bsc_imsi_allow = "2440[0-9]*", - .contype = NAT_CON_TYPE_LU, - }, - { - /* BSC allow is before NAT deny */ - .data = bss_lu, - .length = sizeof(bss_lu), - .result = 0, - .bsc_imsi_allow = "[0-9]*", - .nat_imsi_deny = "[0-9]*", - .contype = NAT_CON_TYPE_LU, - }, - { - /* filter as deny is first */ - .data = bss_lu, - .length = sizeof(bss_lu), - .result = -2, - .bsc_imsi_deny = "[0-9]*", - .bsc_imsi_allow = "[0-9]*", - .nat_imsi_deny = "[0-9]*", - .contype = NAT_CON_TYPE_LU, - }, - -}; - -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_nat_acc_lst *nat_lst, *bsc_lst; - struct bsc_nat_acc_lst_entry *nat_entry, *bsc_entry; - - struct bsc_nat *nat = bsc_nat_alloc(); - struct bsc_connection *bsc = bsc_connection_alloc(nat); - bsc->cfg = bsc_config_alloc(nat, "foo", 1234); - bsc->cfg->acc_lst_name = "bsc"; - nat->acc_lst_name = "nat"; - - nat_lst = bsc_nat_acc_lst_get(nat, "nat"); - bsc_lst = bsc_nat_acc_lst_get(nat, "bsc"); - - bsc_entry = bsc_nat_acc_lst_entry_create(bsc_lst); - nat_entry = bsc_nat_acc_lst_entry_create(nat_lst); - - for (i = 0; i < ARRAY_SIZE(cr_filter); ++i) { - msgb_reset(msg); - copy_to_msg(msg, cr_filter[i].data, cr_filter[i].length); - - nat_lst = bsc_nat_acc_lst_get(nat, "nat"); - bsc_lst = bsc_nat_acc_lst_get(nat, "bsc"); - - bsc_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); - bsc_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); - bsc_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); - - parsed = bsc_nat_parse(msg); - if (!parsed) { - fprintf(stderr, "FAIL: Failed to parse the message\n"); - abort(); - } - - res = bsc_nat_filter_sccp_cr(bsc, msg, parsed, &contype); - if (res != cr_filter[i].result) { - fprintf(stderr, "FAIL: Wrong result %d for test %d.\n", res, i); - abort(); - } - - if (contype != cr_filter[i].contype) { - fprintf(stderr, "FAIL: Wrong contype %d for test %d.\n", res, contype); - abort(); - } - - talloc_free(parsed); - } - - msgb_free(msg); -} - -int main(int argc, char **argv) -{ - struct log_target *stderr_target; - - log_init(&log_info); - stderr_target = log_target_create_stderr(); - log_add_target(stderr_target); - log_set_all_filter(stderr_target, 1); - - test_filter(); - test_contrack(); - test_paging(); - test_mgcp_ass_tracking(); - test_mgcp_find(); - test_mgcp_rewrite(); - test_mgcp_parse(); - test_cr_filter(); - return 0; -} - -void input_event() -{} -int nm_state_event() -{ - return -1; -} - -int gsm0408_rcvmsg(struct msgb *msg, u_int8_t link_id) -{ - return -1; -} -- cgit v1.2.3