219 lines
5.2 KiB
C
219 lines
5.2 KiB
C
/* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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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 <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <ctype.h>
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#include <stdbool.h>
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#include <netinet/in.h>
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/gsm/gsm_utils.h>
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#include <osmocom/gsm/abis_nm.h>
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#include <osmocom/core/statistics.h>
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#include <osmocom/gsm/protocol/gsm_04_08.h>
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#include <osmocom/msc/gsm_data.h>
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#include <osmocom/msc/bsc_msc_data.h>
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#include <osmocom/msc/abis_nm.h>
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void *tall_bsc_ctx;
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static LLIST_HEAD(bts_models);
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void set_ts_e1link(struct gsm_bts_trx_ts *ts, uint8_t e1_nr,
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uint8_t e1_ts, uint8_t e1_ts_ss)
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{
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ts->e1_link.e1_nr = e1_nr;
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ts->e1_link.e1_ts = e1_ts;
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ts->e1_link.e1_ts_ss = e1_ts_ss;
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}
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const struct value_string bts_type_descs[_NUM_GSM_BTS_TYPE+1] = {
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{ GSM_BTS_TYPE_UNKNOWN, "Unknown BTS Type" },
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{ GSM_BTS_TYPE_BS11, "Siemens BTS (BS-11 or compatible)" },
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{ GSM_BTS_TYPE_NANOBTS, "ip.access nanoBTS or compatible" },
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{ GSM_BTS_TYPE_RBS2000, "Ericsson RBS2000 Series" },
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{ GSM_BTS_TYPE_NOKIA_SITE, "Nokia {Metro,Ultra,In}Site" },
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{ GSM_BTS_TYPE_OSMOBTS, "sysmocom sysmoBTS" },
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{ 0, NULL }
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};
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struct gsm_bts_trx *gsm_bts_trx_by_nr(struct gsm_bts *bts, int nr)
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{
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struct gsm_bts_trx *trx;
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llist_for_each_entry(trx, &bts->trx_list, list) {
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if (trx->nr == nr)
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return trx;
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}
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return NULL;
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}
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/* Search for a BTS in the given Location Area; optionally start searching
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* with start_bts (for continuing to search after the first result) */
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struct gsm_bts *gsm_bts_by_lac(struct gsm_network *net, unsigned int lac,
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struct gsm_bts *start_bts)
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{
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int i;
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struct gsm_bts *bts;
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int skip = 0;
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if (start_bts)
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skip = 1;
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for (i = 0; i < net->num_bts; i++) {
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bts = gsm_bts_num(net, i);
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if (skip) {
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if (start_bts == bts)
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skip = 0;
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continue;
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}
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if (lac == GSM_LAC_RESERVED_ALL_BTS || bts->location_area_code == lac)
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return bts;
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}
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return NULL;
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}
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static const struct value_string auth_policy_names[] = {
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{ GSM_AUTH_POLICY_CLOSED, "closed" },
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{ GSM_AUTH_POLICY_ACCEPT_ALL, "accept-all" },
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{ GSM_AUTH_POLICY_TOKEN, "token" },
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{ GSM_AUTH_POLICY_REGEXP, "regexp" },
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{ 0, NULL }
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};
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enum gsm_auth_policy gsm_auth_policy_parse(const char *arg)
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{
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return get_string_value(auth_policy_names, arg);
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}
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const char *gsm_auth_policy_name(enum gsm_auth_policy policy)
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{
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return get_value_string(auth_policy_names, policy);
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}
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static const struct value_string rrlp_mode_names[] = {
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{ RRLP_MODE_NONE, "none" },
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{ RRLP_MODE_MS_BASED, "ms-based" },
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{ RRLP_MODE_MS_PREF, "ms-preferred" },
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{ RRLP_MODE_ASS_PREF, "ass-preferred" },
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{ 0, NULL }
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};
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enum rrlp_mode rrlp_mode_parse(const char *arg)
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{
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return get_string_value(rrlp_mode_names, arg);
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}
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const char *rrlp_mode_name(enum rrlp_mode mode)
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{
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return get_value_string(rrlp_mode_names, mode);
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}
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static const struct value_string bts_gprs_mode_names[] = {
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{ BTS_GPRS_NONE, "none" },
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{ BTS_GPRS_GPRS, "gprs" },
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{ BTS_GPRS_EGPRS, "egprs" },
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{ 0, NULL }
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};
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enum bts_gprs_mode bts_gprs_mode_parse(const char *arg, int *valid)
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{
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int rc;
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rc = get_string_value(bts_gprs_mode_names, arg);
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if (valid)
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*valid = rc != -EINVAL;
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return rc;
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}
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const char *bts_gprs_mode_name(enum bts_gprs_mode mode)
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{
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return get_value_string(bts_gprs_mode_names, mode);
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}
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void gprs_ra_id_by_bts(struct gprs_ra_id *raid, struct gsm_bts *bts)
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{
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raid->mcc = bts->network->country_code;
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raid->mnc = bts->network->network_code;
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raid->lac = bts->location_area_code;
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raid->rac = bts->gprs.rac;
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}
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int gsm48_ra_id_by_bts(uint8_t *buf, struct gsm_bts *bts)
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{
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struct gprs_ra_id raid;
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gprs_ra_id_by_bts(&raid, bts);
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return gsm48_construct_ra(buf, &raid);
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}
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int gsm_parse_reg(void *ctx, regex_t *reg, char **str, int argc, const char **argv)
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{
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int ret;
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ret = 0;
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if (*str) {
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talloc_free(*str);
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*str = NULL;
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}
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regfree(reg);
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if (argc > 0) {
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*str = talloc_strdup(ctx, argv[0]);
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ret = regcomp(reg, argv[0], 0);
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/* handle compilation failures */
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if (ret != 0) {
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talloc_free(*str);
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*str = NULL;
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}
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}
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return ret;
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}
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/* Assume there are only 256 possible bts */
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osmo_static_assert(sizeof(((struct gsm_bts *) 0)->nr) == 1, _bts_nr_is_256);
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bool classmark_is_r99(struct gsm_classmark *cm)
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{
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int rev_lev = 0;
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if (cm->classmark1_set)
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rev_lev = cm->classmark1.rev_lev;
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else if (cm->classmark2_len > 0)
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rev_lev = (cm->classmark2[0] >> 5) & 0x3;
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return rev_lev >= 2;
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}
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const struct value_string ran_type_names[] = {
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OSMO_VALUE_STRING(RAN_UNKNOWN),
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OSMO_VALUE_STRING(RAN_GERAN_A),
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OSMO_VALUE_STRING(RAN_UTRAN_IU),
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{ 0, NULL }
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};
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