cellular-infrastructure
/
osmo-bsc
mirror of https://gerrit.osmocom.org/osmo-bsc
9
0
Fork 0
Code Issues Releases Wiki Activity

working state up to location update and classmark inquiry

This commit is contained in:
Harald Welte 2008-12-28 02:26:27 +00:00
parent fdd0a6c157
commit 255539c742
6 changed files with 113 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/openbsc/gsm_data.h
View File

@ -3,6 +3,8 @@
#include <sys/types.h>
#include <openbsc/timer.h>
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define GSM_MAX_BTS 8
@ -67,6 +69,8 @@ struct gsm_lchan {
enum gsm_chan_t type;
/* To whom we are allocated at the moment */
struct gsm_subscriber *subscr;
/* Universal timer, undefined use ;) */
struct timer_list timer;
/* local end of a call, if any */
struct gsm_call call;

2
src/abis_rsl.c
View File

@ -374,7 +374,7 @@ int rsl_paging_cmd(struct gsm_bts *bts, u_int8_t paging_group, u_int8_t len,
dh->chan_nr = RSL_CHAN_PCH_AGCH;
msgb_tv_put(msg, RSL_IE_PAGING_GROUP, paging_group);
msgb_tlv_put(msg, RSL_IE_MS_IDENTITY, len, ms_ident);
msgb_tlv_put(msg, RSL_IE_MS_IDENTITY, len-2, ms_ident+2);
msgb_tv_put(msg, RSL_IE_CHAN_NEEDED, chan_needed);
msg->trx = bts->c0;

74
src/bsc_hack.c
View File

@ -30,7 +30,10 @@
#define _GNU_SOURCE
#include <getopt.h>
#include <openbsc/db.h>
#include <openbsc/timer.h>
#include <openbsc/gsm_data.h>
#include <openbsc/gsm_04_08.h>
#include <openbsc/select.h>
#include <openbsc/abis_rsl.h>
#include <openbsc/abis_nm.h>
@ -631,6 +634,74 @@ static void handle_options(int argc, char** argv)
}
}
static struct timer_list pag_timer;
/* handles uppercase decimal and hexadecimal */
static u_int8_t char2bcd(char c)
{
if (c <= '9')
return c - '0';
else
return c - 'A';
}
static int string_to_mi(u_int8_t *mi, const char *string,
u_int8_t type)
{
u_int8_t *cur = mi+3;
mi[0] = GSM48_IE_MOBILE_ID;
//mi[1] = TMSI_LEN;
mi[2] = type & GSM_MI_TYPE_MASK;
if (strlen(string) & 0x01)
mi[2] |= char2bcd(*string++) << 4;
else
mi[2] |= 0xf0;
while (*string && *(string+1))
*cur++ = char2bcd(*string++) | (char2bcd(*string++) << 4);
mi[1] = cur - mi;
return cur - mi;
}
static const char *nokia_imsi = "7240311131388";
static const char *rokr_imsi = "4660198001300";
void pag_timer_cb(void *data)
{
struct gsm_bts *bts = &gsmnet->bts[0];
u_int8_t mi[128];
struct gsm_subscriber _subscr, *subscr = &_subscr;
unsigned int paging_group, mi_len;
u_int64_t num_imsi;
const char *imsi = nokia_imsi;
printf("FEUER\n");
#if 1
memset(subscr, 0, sizeof(*subscr));
strcpy(subscr->imsi, imsi);
db_get_subscriber(GSM_SUBSCRIBER_IMSI, subscr);
if (!subscr)
return;
mi_len = generate_mid_from_tmsi(mi, strtoul(subscr->tmsi, NULL, 10));
#else
mi_len = string_to_mi(mi, imsi, GSM_MI_TYPE_IMSI);
#endif
num_imsi = strtoull(imsi, NULL, 10);
paging_group = get_paging_group(num_imsi, 1, 3);
for (paging_group = 0; paging_group < 3; paging_group++)
rsl_paging_cmd(bts, paging_group, mi_len, mi, RSL_CHANNEED_TCH_F);
schedule_timer(&pag_timer, 10, 0);
}
int main(int argc, char **argv)
{
/* parse options */
@ -650,6 +721,9 @@ int main(int argc, char **argv)
bootstrap_network();
pag_timer.cb = pag_timer_cb;
schedule_timer(&pag_timer, 10, 0);
while (1) {
bsc_select_main();
}

1
src/db_test.c
View File

@ -21,6 +21,7 @@
#include <stdio.h>
#include <string.h>
#include <malloc.h>
int main() {

45
src/gsm_04_08.c
View File

@ -97,15 +97,19 @@ static void generate_lai(struct gsm48_loc_area_id *lai48, u_int16_t mcc,
lai48->lac = htons(lac);
}
#define TMSI_LEN 4
#define TMSI_LEN 5
#define MID_TMSI_LEN (TMSI_LEN + 2)
static void generate_mid_from_tmsi(u_int8_t *buf, u_int32_t tmsi)
int generate_mid_from_tmsi(u_int8_t *buf, u_int32_t tmsi)
{
u_int32_t *tptr = &buf[3];
buf[0] = GSM48_IE_MOBILE_ID;
buf[1] = TMSI_LEN;
buf[2] = 0xf0 | GSM_MI_TYPE_TMSI;
*((u_int32_t *) &buf[3]) = htonl(tmsi);
*tptr = htonl(tmsi);
return 7;
}
static struct msgb *gsm48_msgb_alloc(void)
@ -256,11 +260,12 @@ static int mm_rx_id_resp(struct msgb *msg)
if (lchan->subscr && lchan->subscr->authorized) {
/* FIXME: check if we've recently received UPDATE REQUEST */
db_subscriber_alloc_tmsi(lchan->subscr);
tmsi = strtoul(lchan->subscr->tmsi, NULL, 16);
tmsi = strtoul(lchan->subscr->tmsi, NULL, 10);
return gsm0408_loc_upd_acc(msg->lchan, tmsi);
}
break;
case GSM_MI_TYPE_IMEI:
case GSM_MI_TYPE_IMEISV:
/* update subscribe <-> IMEI mapping */
if (lchan->subscr)
db_subscriber_assoc_imei(lchan->subscr, mi_string);
@ -269,6 +274,15 @@ static int mm_rx_id_resp(struct msgb *msg)
return 0;
}
static void loc_upd_rej_cb(void *data)
{
struct gsm_lchan *lchan = data;
gsm0408_loc_upd_rej(lchan, 0x16);
rsl_chan_release(lchan);
}
#define MI_SIZE 32
/* Chapter 9.2.15 */
static int mm_rx_loc_upd_req(struct msgb *msg)
@ -277,6 +291,7 @@ static int mm_rx_loc_upd_req(struct msgb *msg)
struct gsm_bts *bts = msg->trx->bts;
struct gsm48_loc_upd_req *lu;
struct gsm_subscriber *subscr;
struct gsm_lchan *lchan = msg->lchan;
u_int8_t mi_type;
u_int32_t tmsi;
char mi_string[MI_SIZE];
@ -292,18 +307,18 @@ static int mm_rx_loc_upd_req(struct msgb *msg)
switch (mi_type) {
case GSM_MI_TYPE_IMSI:
/* we always want the IMEI, too */
rc = mm_tx_identity_req(msg->lchan, GSM_MI_TYPE_IMEISV);
rc = mm_tx_identity_req(lchan, GSM_MI_TYPE_IMEISV);
/* look up subscriber based on IMSI */
subscr = db_create_subscriber(mi_string);
break;
case GSM_MI_TYPE_TMSI:
/* we always want the IMEI, too */
rc = mm_tx_identity_req(msg->lchan, GSM_MI_TYPE_IMEISV);
rc = mm_tx_identity_req(lchan, GSM_MI_TYPE_IMEISV);
/* look up the subscriber based on TMSI, request IMSI if it fails */
subscr = subscr_get_by_tmsi(lu->mi);
if (!subscr) {
/* send IDENTITY REQUEST message to get IMSI */
rc = mm_tx_identity_req(msg->lchan, GSM_MI_TYPE_IMSI);
rc = mm_tx_identity_req(lchan, GSM_MI_TYPE_IMSI);
}
break;
case GSM_MI_TYPE_IMEI:
@ -316,20 +331,22 @@ static int mm_rx_loc_upd_req(struct msgb *msg)
break;
}
lchan->subscr = subscr;
if (!subscr || !subscr->authorized) {
/* 0x16 is congestion */
gsm0408_loc_upd_rej(msg->lchan, 0x16);
rsl_chan_release(msg->lchan);
return -EINVAL;
lchan->timer.cb = loc_upd_rej_cb;
lchan->timer.data = lchan;
schedule_timer(&lchan->timer, 1, 0);
return 0;
}
db_subscriber_alloc_tmsi(subscr);
msg->lchan->subscr = subscr;
subscr_update(subscr, bts);
tmsi = strtoul(subscr->tmsi, NULL, 16);
return gsm0408_loc_upd_acc(msg->lchan, tmsi);
tmsi = strtoul(subscr->tmsi, NULL, 10);
return gsm0408_loc_upd_acc(lchan, tmsi);
}
static int gsm48_tx_mm_serv_ack(struct gsm_lchan *lchan)

2
tests/sms.txt
View File

@ -1,5 +1,7 @@
03 02 01 0a 02 43 0b 00 1d 39 01 1a 00 01 00 07 91 55 11 18 31 28 00 0e 31 20 04 81 21 43 00 00 ff 04 d4 f2 9c 0e
03 02 01 0a 02 43 0b 00 9f 09 01 9c 00 da 00 07 91 88 96 13 00 00 99 90 11 7b 04 81 22 22 00 08 ff 86 6c 38 8c 50 92 80 88 4c 00 4d 00 4d 00 41 6a 19 67 03 74 06 8c a1 7d b2 00 20 00 20 51 68 74 03 99 96 52 75 7d b2 8d ef 6a 19 67 03 ff 0c 6a 19 67 03 96 f6 98 a8 96 aa ff 01 8b 93 60 a8 80 70 66 0e 51 32 84 c4 ff 0c 97 48 6d 3b 62 95 8c c7 ff 01 73 fe 57 28 52 a0 51 65 90 01 96 50 91 cf 59 27 80 6f 76 df 6d 0b 57 fa 96 8a 91 77 5e 63 53 61 ff 0c 8a cb 4e 0a 7d b2 64 1c 5c 0b 30 0c 6a 19 67 03 30 0d
03 -
02 -
01 -