gprs: Add encoder/decoder for the Subscriber Update Protocol
This patch adds functions to encode and decode GSUP messages. This does not include the layer 1 framing (IPA). The messages so far supported are: send_auth_info_*, update_location_*, location_cancellation_*. Sponsored-by: On-Waves ehf
This commit is contained in:
Jacob Erlbeck
Holger Hans Peter Freyther
parent
46684dcfd2
commit
f3a271fa73
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@ -15,7 +15,7 @@ noinst_HEADERS = abis_nm.h abis_rsl.h db.h gsm_04_08.h gsm_data.h \
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bss.h gsm_data_shared.h ipaccess.h mncc_int.h \
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arfcn_range_encode.h nat_rewrite_trie.h bsc_nat_callstats.h \
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osmux.h mgcp_transcode.h rtp.h gprs_utils.h \
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gprs_gb_parse.h smpp.h meas_feed.h
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gprs_gb_parse.h smpp.h meas_feed.h gprs_gsup_messages.h
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openbsc_HEADERS = gsm_04_08.h meas_rep.h bsc_api.h
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openbscdir = $(includedir)/openbsc
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@ -0,0 +1,103 @@
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/* GPRS Subscriber Update Protocol message encoder/decoder */
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/* (C) 2014 by Sysmocom s.f.m.c. GmbH
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* All Rights Reserved
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*
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* Author: Jacob Erlbeck
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <stdint.h>
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#include <openbsc/gsm_04_08_gprs.h>
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#include <openbsc/gsm_data.h>
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/* Needed for GSM_IMSI_LENGTH: */
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#include <openbsc/gsm_subscriber.h>
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#define GPRS_GSUP_MAX_NUM_PDP_INFO 10 /* GSM 09.02 limits this to 50 */
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#define GPRS_GSUP_MAX_NUM_AUTH_INFO 5
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#define GPRS_GSUP_PDP_TYPE_SIZE 2
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enum gprs_gsup_iei {
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GPRS_GSUP_IMSI_IE = 0x01,
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GPRS_GSUP_CAUSE_IE = 0x02,
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GPRS_GSUP_AUTH_TUPLE_IE = 0x03,
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GPRS_GSUP_PDP_INFO_COMPL_IE = 0x04,
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GPRS_GSUP_PDP_INFO_IE = 0x05,
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GPRS_GSUP_CANCEL_TYPE_IE = 0x06,
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GPRS_GSUP_PDP_CONTEXT_ID_IE = 0x10,
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GPRS_GSUP_PDP_TYPE_IE = 0x11,
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GPRS_GSUP_ACCESS_POINT_NAME_IE = 0x12,
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GPRS_GSUP_RAND_IE = 0x20,
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GPRS_GSUP_SRES_IE = 0x21,
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GPRS_GSUP_KC_IE = 0x22
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};
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enum gprs_gsup_message_type {
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GPRS_GSUP_MSGT_UPDATE_LOCATION_REQUEST = 0b00000100,
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GPRS_GSUP_MSGT_UPDATE_LOCATION_ERROR = 0b00000101,
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GPRS_GSUP_MSGT_UPDATE_LOCATION_RESULT = 0b00000110,
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GPRS_GSUP_MSGT_SEND_AUTH_INFO_REQUEST = 0b00001000,
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GPRS_GSUP_MSGT_SEND_AUTH_INFO_ERROR = 0b00001001,
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GPRS_GSUP_MSGT_SEND_AUTH_INFO_RESULT = 0b00001010,
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GPRS_GSUP_MSGT_PURGE_MS_REQUEST = 0b00001100,
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GPRS_GSUP_MSGT_PURGE_MS_ERROR = 0b00001101,
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GPRS_GSUP_MSGT_PURGE_MS_RESULT = 0b00001110,
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GPRS_GSUP_MSGT_INSERT_DATA_REQUEST = 0b00010000,
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GPRS_GSUP_MSGT_INSERT_DATA_ERROR = 0b00010001,
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GPRS_GSUP_MSGT_INSERT_DATA_RESULT = 0b00010010,
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GPRS_GSUP_MSGT_DELETE_DATA_REQUEST = 0b00010100,
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GPRS_GSUP_MSGT_DELETE_DATA_ERROR = 0b00010101,
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GPRS_GSUP_MSGT_DELETE_DATA_RESULT = 0b00010110,
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GPRS_GSUP_MSGT_LOCATION_CANCEL_REQUEST = 0b00011100,
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GPRS_GSUP_MSGT_LOCATION_CANCEL_ERROR = 0b00011101,
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GPRS_GSUP_MSGT_LOCATION_CANCEL_RESULT = 0b00011110,
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};
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enum gprs_gsup_cancel_type {
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GPRS_GSUP_CANCEL_TYPE_UPDATE = 1, /* on wire: 0 */
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GPRS_GSUP_CANCEL_TYPE_WITHDRAW = 2, /* on wire: 1 */
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};
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struct gprs_gsup_pdp_info {
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unsigned int context_id;
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int have_info;
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uint16_t pdp_type;
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const uint8_t *apn_enc;
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size_t apn_enc_len;
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};
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struct gprs_gsup_message {
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enum gprs_gsup_message_type message_type;
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char imsi[GSM_IMSI_LENGTH];
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enum gsm48_gmm_cause cause;
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enum gprs_gsup_cancel_type cancel_type;
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int pdp_info_compl;
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struct gsm_auth_tuple auth_tuples[GPRS_GSUP_MAX_NUM_AUTH_INFO];
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size_t num_auth_tuples;
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struct gprs_gsup_pdp_info pdp_infos[GPRS_GSUP_MAX_NUM_PDP_INFO];
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size_t num_pdp_infos;
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};
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int gprs_gsup_decode(const uint8_t *data, size_t data_len,
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struct gprs_gsup_message *gsup_msg);
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void gprs_gsup_encode(struct msgb *msg, const struct gprs_gsup_message *gsup_msg);
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@ -22,7 +22,8 @@ osmo_gbproxy_LDADD = $(top_builddir)/src/libcommon/libcommon.a \
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osmo_sgsn_SOURCES = gprs_gmm.c gprs_sgsn.c gprs_sndcp.c gprs_sndcp_vty.c \
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sgsn_main.c sgsn_vty.c sgsn_libgtp.c \
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gprs_llc.c gprs_llc_parse.c gprs_llc_vty.c crc24.c \
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sgsn_ctrl.c sgsn_auth.c gprs_subscriber.c
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sgsn_ctrl.c sgsn_auth.c gprs_subscriber.c \
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gprs_gsup_messages.c gprs_utils.c
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osmo_sgsn_LDADD = \
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$(top_builddir)/src/libcommon/libcommon.a \
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-lgtp $(OSMO_LIBS) $(LIBOSMOABIS_LIBS)
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@ -0,0 +1,405 @@
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/* GPRS Subscriber Update Protocol message encoder/decoder */
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/*
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* (C) 2014 by Sysmocom s.f.m.c. GmbH
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* All Rights Reserved
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*
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* Author: Jacob Erlbeck
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <openbsc/gprs_gsup_messages.h>
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#include <openbsc/debug.h>
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#include <openbsc/gprs_utils.h>
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#include <osmocom/gsm/tlv.h>
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#include <osmocom/core/msgb.h>
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#include <stdint.h>
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static uint64_t decode_big_endian(const uint8_t *data, size_t data_len)
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{
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uint64_t value = 0;
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while (data_len > 0) {
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value = (value << 8) + *data;
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data += 1;
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data_len -= 1;
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}
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return value;
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}
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static uint8_t *encode_big_endian(uint64_t value, size_t data_len)
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{
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static uint8_t buf[sizeof(uint64_t)];
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int idx;
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OSMO_ASSERT(data_len <= ARRAY_SIZE(buf));
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for (idx = data_len - 1; idx >= 0; idx--) {
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buf[idx] = (uint8_t)value;
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value = value >> 8;
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}
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return buf;
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}
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static int decode_pdp_info(uint8_t *data, size_t data_len,
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struct gprs_gsup_pdp_info *pdp_info)
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{
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int rc;
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uint8_t tag;
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uint8_t *value;
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size_t value_len;
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/* specific parts */
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while (data_len > 0) {
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enum gprs_gsup_iei iei;
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rc = gprs_shift_tlv(&data, &data_len, &tag, &value, &value_len);
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if (rc < 0)
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return rc;
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iei = tag;
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switch (iei) {
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case GPRS_GSUP_PDP_CONTEXT_ID_IE:
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pdp_info->context_id = decode_big_endian(value, value_len);
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break;
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case GPRS_GSUP_PDP_TYPE_IE:
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pdp_info->pdp_type =
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decode_big_endian(value, value_len) & 0x0fff;
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break;
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case GPRS_GSUP_ACCESS_POINT_NAME_IE:
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pdp_info->apn_enc = value;
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pdp_info->apn_enc_len = value_len;
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break;
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default:
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LOGP(DGPRS, LOGL_ERROR,
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"GSUP IE type %d not expected in PDP info\n", iei);
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continue;
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}
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}
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return 0;
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}
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static int decode_auth_info(uint8_t *data, size_t data_len,
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struct gsm_auth_tuple *auth_tuple)
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{
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int rc;
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uint8_t tag;
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uint8_t *value;
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size_t value_len;
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enum gprs_gsup_iei iei;
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/* specific parts */
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while (data_len > 0) {
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rc = gprs_shift_tlv(&data, &data_len, &tag, &value, &value_len);
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if (rc < 0)
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return rc;
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iei = tag;
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switch (iei) {
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case GPRS_GSUP_RAND_IE:
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if (value_len != sizeof(auth_tuple->rand))
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goto parse_error;
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memcpy(auth_tuple->rand, value, value_len);
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break;
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case GPRS_GSUP_SRES_IE:
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if (value_len != sizeof(auth_tuple->sres))
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goto parse_error;
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memcpy(auth_tuple->sres, value, value_len);
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break;
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case GPRS_GSUP_KC_IE:
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if (value_len != sizeof(auth_tuple->kc))
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goto parse_error;
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memcpy(auth_tuple->kc, value, value_len);
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break;
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default:
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LOGP(DGPRS, LOGL_ERROR,
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"GSUP IE type %d not expected in PDP info\n", iei);
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continue;
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}
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}
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return 0;
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parse_error:
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LOGP(DGPRS, LOGL_ERROR,
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"GSUP IE type %d, length %d invalid in PDP info\n", iei, value_len);
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return -1;
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}
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int gprs_gsup_decode(const uint8_t *const_data, size_t data_len,
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struct gprs_gsup_message *gsup_msg)
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{
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int rc;
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uint8_t tag;
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/* the shift/match functions expect non-const pointers, but we'll
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* either copy the data or cast pointers back to const before returning
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* them
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*/
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uint8_t *data = (uint8_t *)const_data;
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uint8_t *value;
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size_t value_len;
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static const struct gprs_gsup_pdp_info empty_pdp_info = {0};
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static const struct gsm_auth_tuple empty_auth_info = {0};
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/* generic part */
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gprs_shift_v_fixed(&data, &data_len, 1, &value);
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gsup_msg->message_type = decode_big_endian(value, 1);
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rc = gprs_match_tlv(&data, &data_len, GPRS_GSUP_IMSI_IE,
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&value, &value_len);
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if (rc <= 0)
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return -GMM_CAUSE_INV_MAND_INFO;
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if (value_len * 2 + 1 > sizeof(gsup_msg->imsi))
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return -GMM_CAUSE_INV_MAND_INFO;
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/* Note that gsm48_decode_bcd_number expects the number of encoded IMSI
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* octets in the first octet. By coincidence (the TLV encoding) the byte
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* before the value part already contains this length so we can use it
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* here.
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*/
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OSMO_ASSERT(value[-1] == value_len);
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gsm48_decode_bcd_number(gsup_msg->imsi, sizeof(gsup_msg->imsi),
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value - 1, 0);
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/* specific parts */
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while (data_len > 0) {
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enum gprs_gsup_iei iei;
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struct gprs_gsup_pdp_info pdp_info;
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struct gsm_auth_tuple auth_info;
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rc = gprs_shift_tlv(&data, &data_len, &tag, &value, &value_len);
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if (rc < 0)
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return -GMM_CAUSE_PROTO_ERR_UNSPEC;
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iei = tag;
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switch (iei) {
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case GPRS_GSUP_IMSI_IE:
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case GPRS_GSUP_PDP_TYPE_IE:
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case GPRS_GSUP_ACCESS_POINT_NAME_IE:
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case GPRS_GSUP_RAND_IE:
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case GPRS_GSUP_SRES_IE:
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case GPRS_GSUP_KC_IE:
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LOGP(DGPRS, LOGL_NOTICE,
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"GSUP IE type %d not expected (ignored)\n", iei);
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continue;
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case GPRS_GSUP_CAUSE_IE:
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gsup_msg->cause = decode_big_endian(value, value_len);
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break;
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case GPRS_GSUP_CANCEL_TYPE_IE:
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gsup_msg->cancel_type =
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decode_big_endian(value, value_len) + 1;
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break;
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case GPRS_GSUP_PDP_INFO_COMPL_IE:
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gsup_msg->pdp_info_compl = 1;
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break;
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case GPRS_GSUP_PDP_CONTEXT_ID_IE:
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/* When these IE appear in the top-level part of the
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* message, they are used by Delete Subscr Info to delete
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* single entries. We don't have an extra list for
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* these but use the PDP info list instead */
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/* fall through */
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case GPRS_GSUP_PDP_INFO_IE:
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if (gsup_msg->num_pdp_infos >= GPRS_GSUP_MAX_NUM_PDP_INFO) {
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LOGP(DGPRS, LOGL_ERROR,
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"GSUP IE type %d (PDP_INFO) max exceeded\n",
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iei);
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return -GMM_CAUSE_COND_IE_ERR;
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}
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memcpy(&pdp_info, &empty_pdp_info, sizeof(pdp_info));
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if (iei == GPRS_GSUP_PDP_INFO_IE) {
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rc = decode_pdp_info(value, value_len, &pdp_info);
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if (rc < 0)
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return rc;
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pdp_info.have_info = 1;
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} else {
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pdp_info.context_id =
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decode_big_endian(value, value_len);
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}
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gsup_msg->pdp_infos[gsup_msg->num_pdp_infos++] =
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pdp_info;
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break;
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case GPRS_GSUP_AUTH_TUPLE_IE:
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if (gsup_msg->num_auth_tuples >= GPRS_GSUP_MAX_NUM_AUTH_INFO) {
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LOGP(DGPRS, LOGL_ERROR,
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"GSUP IE type %d (AUTH_INFO) max exceeded\n",
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iei);
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return -GMM_CAUSE_INV_MAND_INFO;
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}
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memcpy(&auth_info, &empty_auth_info, sizeof(auth_info));
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auth_info.key_seq = gsup_msg->num_auth_tuples;
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rc = decode_auth_info(value, value_len, &auth_info);
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if (rc < 0)
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return rc;
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gsup_msg->auth_tuples[gsup_msg->num_auth_tuples++] =
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auth_info;
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break;
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default:
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LOGP(DGPRS, LOGL_NOTICE,
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"GSUP IE type %d unknown\n", iei);
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continue;
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}
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}
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return 0;
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}
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static void encode_pdp_info(struct msgb *msg, enum gprs_gsup_iei iei,
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const struct gprs_gsup_pdp_info *pdp_info)
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{
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uint8_t *len_field;
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size_t old_len;
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uint8_t u8;
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len_field = msgb_tlv_put(msg, iei, 0, NULL) - 1;
|
||||
old_len = msgb_length(msg);
|
||||
|
||||
u8 = pdp_info->context_id;
|
||||
msgb_tlv_put(msg, GPRS_GSUP_PDP_CONTEXT_ID_IE, sizeof(u8), &u8);
|
||||
|
||||
if (pdp_info->pdp_type) {
|
||||
msgb_tlv_put(msg, GPRS_GSUP_PDP_TYPE_IE,
|
||||
GPRS_GSUP_PDP_TYPE_SIZE,
|
||||
encode_big_endian(pdp_info->pdp_type | 0xf000,
|
||||
GPRS_GSUP_PDP_TYPE_SIZE));
|
||||
}
|
||||
|
||||
if (pdp_info->apn_enc) {
|
||||
msgb_tlv_put(msg, GPRS_GSUP_ACCESS_POINT_NAME_IE,
|
||||
pdp_info->apn_enc_len, pdp_info->apn_enc);
|
||||
}
|
||||
|
||||
/* Update length field */
|
||||
*len_field = msgb_length(msg) - old_len;
|
||||
}
|
||||
|
||||
static void encode_auth_info(struct msgb *msg, enum gprs_gsup_iei iei,
|
||||
const struct gsm_auth_tuple *auth_tuple)
|
||||
{
|
||||
uint8_t *len_field;
|
||||
size_t old_len;
|
||||
|
||||
len_field = msgb_tlv_put(msg, iei, 0, NULL) - 1;
|
||||
old_len = msgb_length(msg);
|
||||
|
||||
msgb_tlv_put(msg, GPRS_GSUP_RAND_IE,
|
||||
sizeof(auth_tuple->rand), auth_tuple->rand);
|
||||
|
||||
msgb_tlv_put(msg, GPRS_GSUP_SRES_IE,
|
||||
sizeof(auth_tuple->sres), auth_tuple->sres);
|
||||
|
||||
msgb_tlv_put(msg, GPRS_GSUP_KC_IE,
|
||||
sizeof(auth_tuple->kc), auth_tuple->kc);
|
||||
|
||||
/* Update length field */
|
||||
*len_field = msgb_length(msg) - old_len;
|
||||
}
|
||||
|
||||
void gprs_gsup_encode(struct msgb *msg, const struct gprs_gsup_message *gsup_msg)
|
||||
{
|
||||
uint8_t u8;
|
||||
int idx;
|
||||
uint8_t bcd_buf[GSM48_MI_SIZE] = {0};
|
||||
size_t bcd_len;
|
||||
|
||||
/* generic part */
|
||||
OSMO_ASSERT(gsup_msg->message_type);
|
||||
msgb_v_put(msg, gsup_msg->message_type);
|
||||
|
||||
bcd_len = gsm48_encode_bcd_number(bcd_buf, sizeof(bcd_buf), 0,
|
||||
gsup_msg->imsi);
|
||||
|
||||
OSMO_ASSERT(bcd_len > 1);
|
||||
|
||||
/* Note that gsm48_encode_bcd_number puts the length into the first
|
||||
* octet. Since msgb_tlv_put will add this length byte, we'll have to
|
||||
* skip it */
|
||||
msgb_tlv_put(msg, GPRS_GSUP_IMSI_IE, bcd_len - 1, &bcd_buf[1]);
|
||||
|
||||
/* specific parts */
|
||||
if ((u8 = gsup_msg->cause))
|
||||
msgb_tlv_put(msg, GPRS_GSUP_CAUSE_IE, sizeof(u8), &u8);
|
||||
|
||||
if ((u8 = gsup_msg->cancel_type)) {
|
||||
u8 -= 1;
|
||||
msgb_tlv_put(msg, GPRS_GSUP_CANCEL_TYPE_IE, sizeof(u8), &u8);
|
||||
}
|
||||
|
||||
if (gsup_msg->pdp_info_compl)
|
||||
msgb_tlv_put(msg, GPRS_GSUP_PDP_INFO_COMPL_IE, 0, &u8);
|
||||
|
||||
for (idx = 0; idx < gsup_msg->num_pdp_infos; idx++) {
|
||||
const struct gprs_gsup_pdp_info *pdp_info;
|
||||
|
||||
pdp_info = &gsup_msg->pdp_infos[idx];
|
||||
|
||||
if (pdp_info->context_id == 0)
|
||||
continue;
|
||||
|
||||
if (pdp_info->have_info) {
|
||||
encode_pdp_info(msg, GPRS_GSUP_PDP_INFO_IE, pdp_info);
|
||||
} else {
|
||||
u8 = pdp_info->context_id;
|
||||
msgb_tlv_put(msg, GPRS_GSUP_PDP_CONTEXT_ID_IE,
|
||||
sizeof(u8), &u8);
|
||||
}
|
||||
}
|
||||
|
||||
for (idx = 0; idx < gsup_msg->num_auth_tuples; idx++) {
|
||||
const struct gsm_auth_tuple *auth_info;
|
||||
|
||||
auth_info = &gsup_msg->auth_tuples[idx];
|
||||
|
||||
if (auth_info->key_seq == GSM_KEY_SEQ_INVAL)
|
||||
continue;
|
||||
|
||||
encode_auth_info(msg, GPRS_GSUP_AUTH_TUPLE_IE, auth_info);
|
||||
}
|
||||
}
|
||||
|
|
@ -5,5 +5,7 @@ EXTRA_DIST = gprs_test.ok
|
|||
|
||||
noinst_PROGRAMS = gprs_test
|
||||
|
||||
gprs_test_SOURCES = gprs_test.c $(top_srcdir)/src/gprs/gprs_utils.c
|
||||
gprs_test_LDADD = $(LIBOSMOCORE_LIBS)
|
||||
gprs_test_SOURCES = gprs_test.c $(top_srcdir)/src/gprs/gprs_utils.c \
|
||||
$(top_srcdir)/src/gprs/gprs_gsup_messages.c
|
||||
|
||||
gprs_test_LDADD = $(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS)
|
||||
|
|
|
|||
|
|
@ -5,6 +5,8 @@
|
|||
#include <openbsc/gprs_llc.h>
|
||||
#include <openbsc/gprs_utils.h>
|
||||
|
||||
#include <openbsc/gprs_gsup_messages.h>
|
||||
|
||||
#define ASSERT_FALSE(x) if (x) { printf("Should have returned false.\n"); abort(); }
|
||||
#define ASSERT_TRUE(x) if (!x) { printf("Should have returned true.\n"); abort(); }
|
||||
|
||||
|
|
@ -378,11 +380,146 @@ static void test_tlv_shift_functions()
|
|||
}
|
||||
}
|
||||
|
||||
/* Tests for gprs_gsup_messages.c */
|
||||
|
||||
#define TEST_IMSI_IE 0x01, 0x08, 0x21, 0x43, 0x65, 0x87, 0x09, 0x21, 0x43, 0xf5
|
||||
#define TEST_IMSI_STR "123456789012345"
|
||||
|
||||
static void test_gsup_messages_dec_enc(void)
|
||||
{
|
||||
int test_idx;
|
||||
int rc;
|
||||
|
||||
static const uint8_t send_auth_info_req[] = {
|
||||
0x08,
|
||||
TEST_IMSI_IE
|
||||
};
|
||||
|
||||
static const uint8_t send_auth_info_err[] = {
|
||||
0x09,
|
||||
TEST_IMSI_IE,
|
||||
0x02, 0x01, 0x07 /* GPRS no allowed */
|
||||
};
|
||||
|
||||
static const uint8_t send_auth_info_res[] = {
|
||||
0x0a,
|
||||
TEST_IMSI_IE,
|
||||
0x03, 0x22, /* Auth tuple */
|
||||
0x20, 0x10,
|
||||
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
|
||||
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
|
||||
0x21, 0x04,
|
||||
0x21, 0x22, 0x23, 0x24,
|
||||
0x22, 0x08,
|
||||
0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
|
||||
0x03, 0x22, /* Auth tuple */
|
||||
0x20, 0x10,
|
||||
0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88,
|
||||
0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90,
|
||||
0x21, 0x04,
|
||||
0xa1, 0xa2, 0xa3, 0xa4,
|
||||
0x22, 0x08,
|
||||
0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8,
|
||||
};
|
||||
|
||||
static const uint8_t update_location_req[] = {
|
||||
0x04,
|
||||
TEST_IMSI_IE,
|
||||
};
|
||||
|
||||
static const uint8_t update_location_err[] = {
|
||||
0x05,
|
||||
TEST_IMSI_IE,
|
||||
0x02, 0x01, 0x07 /* GPRS no allowed */
|
||||
};
|
||||
|
||||
static const uint8_t update_location_res[] = {
|
||||
0x06,
|
||||
TEST_IMSI_IE,
|
||||
0x04, 0x00, /* PDP info complete */
|
||||
0x05, 0x12,
|
||||
0x10, 0x01, 0x01,
|
||||
0x11, 0x02, 0xf1, 0x21, /* IPv4 */
|
||||
0x12, 0x09, 0x04, 't', 'e', 's', 't', 0x03, 'a', 'p', 'n',
|
||||
0x05, 0x11,
|
||||
0x10, 0x01, 0x02,
|
||||
0x11, 0x02, 0xf1, 0x21, /* IPv4 */
|
||||
0x12, 0x08, 0x03, 'f', 'o', 'o', 0x03, 'a', 'p', 'n',
|
||||
};
|
||||
|
||||
static const uint8_t location_cancellation_req[] = {
|
||||
0x1c,
|
||||
TEST_IMSI_IE,
|
||||
0x06, 0x01, 0x00,
|
||||
};
|
||||
|
||||
static const uint8_t location_cancellation_err[] = {
|
||||
0x1d,
|
||||
TEST_IMSI_IE,
|
||||
0x02, 0x01, 0x03 /* Illegal MS */
|
||||
};
|
||||
|
||||
static const uint8_t location_cancellation_res[] = {
|
||||
0x1e,
|
||||
TEST_IMSI_IE,
|
||||
};
|
||||
|
||||
static const struct test {
|
||||
char *name;
|
||||
const uint8_t *data;
|
||||
size_t data_len;
|
||||
} test_messages[] = {
|
||||
{"Send Authentication Info Request",
|
||||
send_auth_info_req, sizeof(send_auth_info_req)},
|
||||
{"Send Authentication Info Error",
|
||||
send_auth_info_err, sizeof(send_auth_info_err)},
|
||||
{"Send Authentication Info Result",
|
||||
send_auth_info_res, sizeof(send_auth_info_res)},
|
||||
{"Update Location Request",
|
||||
update_location_req, sizeof(update_location_req)},
|
||||
{"Update Location Error",
|
||||
update_location_err, sizeof(update_location_err)},
|
||||
{"Update Location Result",
|
||||
update_location_res, sizeof(update_location_res)},
|
||||
{"Location Cancellation Request",
|
||||
location_cancellation_req, sizeof(location_cancellation_req)},
|
||||
{"Location Cancellation Error",
|
||||
location_cancellation_err, sizeof(location_cancellation_err)},
|
||||
{"Location Cancellation Result",
|
||||
location_cancellation_res, sizeof(location_cancellation_res)},
|
||||
};
|
||||
|
||||
printf("Test GSUP message decoding/encoding\n");
|
||||
|
||||
for (test_idx = 0; test_idx < ARRAY_SIZE(test_messages); test_idx++) {
|
||||
const struct test *t = &test_messages[test_idx];
|
||||
struct gprs_gsup_message gm = {0};
|
||||
struct msgb *msg = msgb_alloc(4096, "gsup_test");
|
||||
|
||||
printf(" Testing %s\n", t->name);
|
||||
|
||||
rc = gprs_gsup_decode(t->data, t->data_len, &gm);
|
||||
OSMO_ASSERT(rc >= 0);
|
||||
|
||||
gprs_gsup_encode(msg, &gm);
|
||||
|
||||
fprintf(stderr, " generated message: %s\n", msgb_hexdump(msg));
|
||||
fprintf(stderr, " original message: %s\n", osmo_hexdump(t->data, t->data_len));
|
||||
fprintf(stderr, " IMSI: %s\n", gm.imsi);
|
||||
OSMO_ASSERT(strcmp(gm.imsi, TEST_IMSI_STR) == 0);
|
||||
OSMO_ASSERT(msgb_length(msg) == t->data_len);
|
||||
OSMO_ASSERT(memcmp(msgb_data(msg), t->data, t->data_len) == 0);
|
||||
|
||||
msgb_free(msg);
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
test_8_4_2();
|
||||
test_gsm_03_03_apn();
|
||||
test_tlv_shift_functions();
|
||||
test_gsup_messages_dec_enc();
|
||||
|
||||
printf("Done.\n");
|
||||
return EXIT_SUCCESS;
|
||||
|
|
|
|||
|
|
@ -14,4 +14,14 @@ N(U) = 510, V(UR) = 511 => retransmit
|
|||
N(U) = 481, V(UR) = 511 => retransmit
|
||||
N(U) = 479, V(UR) = 511 => new
|
||||
Test shift functions
|
||||
Test GSUP message decoding/encoding
|
||||
Testing Send Authentication Info Request
|
||||
Testing Send Authentication Info Error
|
||||
Testing Send Authentication Info Result
|
||||
Testing Update Location Request
|
||||
Testing Update Location Error
|
||||
Testing Update Location Result
|
||||
Testing Location Cancellation Request
|
||||
Testing Location Cancellation Error
|
||||
Testing Location Cancellation Result
|
||||
Done.
|
||||
|
|
|
|||
Loading…
Reference in New Issue