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-rw-r--r--src/shared/libosmocore/src/gsm/gsm0411_utils.c314
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diff --git a/src/shared/libosmocore/src/gsm/gsm0411_utils.c b/src/shared/libosmocore/src/gsm/gsm0411_utils.c
deleted file mode 100644
index fe69bf41..00000000
--- a/src/shared/libosmocore/src/gsm/gsm0411_utils.c
+++ /dev/null
@@ -1,314 +0,0 @@
-/* Point-to-Point (PP) Short Message Service (SMS)
- * Support on Mobile Radio Interface
- * 3GPP TS 04.11 version 7.1.0 Release 1998 / ETSI TS 100 942 V7.1.0 */
-
-/* (C) 2008 by Daniel Willmann <daniel@totalueberwachung.de>
- * (C) 2009 by Harald Welte <laforge@gnumonks.org>
- * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
- * (C) 2010 by On-Waves
- * (C) 2011 by Andreas Eversberg <jolly@eversberg.eu>
- *
- * 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 Affero 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 "../../config.h"
-
-#include <time.h>
-#include <string.h>
-#include <osmocom/core/msgb.h>
-#include <osmocom/core/logging.h>
-
-#include <osmocom/gsm/gsm48.h>
-#include <osmocom/gsm/protocol/gsm_04_11.h>
-
-#define GSM411_ALLOC_SIZE 1024
-#define GSM411_ALLOC_HEADROOM 128
-
-struct msgb *gsm411_msgb_alloc(void)
-{
- return msgb_alloc_headroom(GSM411_ALLOC_SIZE, GSM411_ALLOC_HEADROOM,
- "GSM 04.11");
-}
-
-/* Turn int into semi-octet representation: 98 => 0x89 */
-uint8_t gsm411_bcdify(uint8_t value)
-{
- uint8_t ret;
-
- ret = value / 10;
- ret |= (value % 10) << 4;
-
- return ret;
-}
-
-/* Turn semi-octet representation into int: 0x89 => 98 */
-uint8_t gsm411_unbcdify(uint8_t value)
-{
- uint8_t ret;
-
- if ((value & 0x0F) > 9 || (value >> 4) > 9)
- LOGP(DLSMS, LOGL_ERROR,
- "gsm411_unbcdify got too big nibble: 0x%02X\n", value);
-
- ret = (value&0x0F)*10;
- ret += value>>4;
-
- return ret;
-}
-
-/* Generate 03.40 TP-SCTS */
-void gsm340_gen_scts(uint8_t *scts, time_t time)
-{
- struct tm *tm = gmtime(&time);
-
- *scts++ = gsm411_bcdify(tm->tm_year % 100);
- *scts++ = gsm411_bcdify(tm->tm_mon + 1);
- *scts++ = gsm411_bcdify(tm->tm_mday);
- *scts++ = gsm411_bcdify(tm->tm_hour);
- *scts++ = gsm411_bcdify(tm->tm_min);
- *scts++ = gsm411_bcdify(tm->tm_sec);
-#ifdef HAVE_TM_GMTOFF_IN_TM
- *scts++ = gsm411_bcdify(tm->tm_gmtoff/(60*15));
-#else
-#warning find a portable way to obtain timezone offset
- *scts++ = 0;
-#endif
-}
-
-/* Decode 03.40 TP-SCTS (into utc/gmt timestamp) */
-time_t gsm340_scts(uint8_t *scts)
-{
- struct tm tm;
- uint8_t yr = gsm411_unbcdify(*scts++);
- int ofs;
-
- memset(&tm, 0x00, sizeof(struct tm));
-
- if (yr <= 80)
- tm.tm_year = 100 + yr;
- else
- tm.tm_year = yr;
- tm.tm_mon = gsm411_unbcdify(*scts++) - 1;
- tm.tm_mday = gsm411_unbcdify(*scts++);
- tm.tm_hour = gsm411_unbcdify(*scts++);
- tm.tm_min = gsm411_unbcdify(*scts++);
- tm.tm_sec = gsm411_unbcdify(*scts++);
-#ifdef HAVE_TM_GMTOFF_IN_TM
- tm.tm_gmtoff = gsm411_unbcdify(*scts++) * 15*60;
-#endif
-
- /* according to gsm 03.40 time zone is
- "expressed in quarters of an hour" */
- ofs = gsm411_unbcdify(*scts++) * 15*60;
-
- return mktime(&tm) - ofs;
-}
-
-/* Return the default validity period in minutes */
-static unsigned long gsm340_vp_default(void)
-{
- unsigned long minutes;
- /* Default validity: two days */
- minutes = 24 * 60 * 2;
- return minutes;
-}
-
-/* Decode validity period format 'relative' */
-static unsigned long gsm340_vp_relative(uint8_t *sms_vp)
-{
- /* Chapter 9.2.3.12.1 */
- uint8_t vp;
- unsigned long minutes;
-
- vp = *(sms_vp);
- if (vp <= 143)
- minutes = vp + 1 * 5;
- else if (vp <= 167)
- minutes = 12*60 + (vp-143) * 30;
- else if (vp <= 196)
- minutes = vp-166 * 60 * 24;
- else
- minutes = vp-192 * 60 * 24 * 7;
- return minutes;
-}
-
-/* Decode validity period format 'absolute' */
-static unsigned long gsm340_vp_absolute(uint8_t *sms_vp)
-{
- /* Chapter 9.2.3.12.2 */
- time_t expires, now;
- unsigned long minutes;
-
- expires = gsm340_scts(sms_vp);
- now = time(NULL);
- if (expires <= now)
- minutes = 0;
- else
- minutes = (expires-now)/60;
- return minutes;
-}
-
-/* Decode validity period format 'relative in integer representation' */
-static unsigned long gsm340_vp_relative_integer(uint8_t *sms_vp)
-{
- uint8_t vp;
- unsigned long minutes;
- vp = *(sms_vp);
- if (vp == 0) {
- LOGP(DLSMS, LOGL_ERROR,
- "reserved relative_integer validity period\n");
- return gsm340_vp_default();
- }
- minutes = vp/60;
- return minutes;
-}
-
-/* Decode validity period format 'relative in semi-octet representation' */
-static unsigned long gsm340_vp_relative_semioctet(uint8_t *sms_vp)
-{
- unsigned long minutes;
- minutes = gsm411_unbcdify(*sms_vp++)*60; /* hours */
- minutes += gsm411_unbcdify(*sms_vp++); /* minutes */
- minutes += gsm411_unbcdify(*sms_vp++)/60; /* seconds */
- return minutes;
-}
-
-/* decode validity period. return minutes */
-unsigned long gsm340_validity_period(uint8_t sms_vpf, uint8_t *sms_vp)
-{
- uint8_t fi; /* functionality indicator */
-
- switch (sms_vpf) {
- case GSM340_TP_VPF_RELATIVE:
- return gsm340_vp_relative(sms_vp);
- case GSM340_TP_VPF_ABSOLUTE:
- return gsm340_vp_absolute(sms_vp);
- case GSM340_TP_VPF_ENHANCED:
- /* Chapter 9.2.3.12.3 */
- fi = *sms_vp++;
- /* ignore additional fi */
- if (fi & (1<<7)) sms_vp++;
- /* read validity period format */
- switch (fi & 0x7) {
- case 0x0:
- return gsm340_vp_default(); /* no vpf specified */
- case 0x1:
- return gsm340_vp_relative(sms_vp);
- case 0x2:
- return gsm340_vp_relative_integer(sms_vp);
- case 0x3:
- return gsm340_vp_relative_semioctet(sms_vp);
- default:
- /* The GSM spec says that the SC should reject any
- unsupported and/or undefined values. FIXME */
- LOGP(DLSMS, LOGL_ERROR,
- "Reserved enhanced validity period format\n");
- return gsm340_vp_default();
- }
- case GSM340_TP_VPF_NONE:
- default:
- return gsm340_vp_default();
- }
-}
-
-/* determine coding alphabet dependent on GSM 03.38 Section 4 DCS */
-enum sms_alphabet gsm338_get_sms_alphabet(uint8_t dcs)
-{
- uint8_t cgbits = dcs >> 4;
- enum sms_alphabet alpha = DCS_NONE;
-
- if ((cgbits & 0xc) == 0) {
- if (cgbits & 2) {
- LOGP(DLSMS, LOGL_NOTICE,
- "Compressed SMS not supported yet\n");
- return 0xffffffff;
- }
-
- switch ((dcs >> 2)&0x03) {
- case 0:
- alpha = DCS_7BIT_DEFAULT;
- break;
- case 1:
- alpha = DCS_8BIT_DATA;
- break;
- case 2:
- alpha = DCS_UCS2;
- break;
- }
- } else if (cgbits == 0xc || cgbits == 0xd)
- alpha = DCS_7BIT_DEFAULT;
- else if (cgbits == 0xe)
- alpha = DCS_UCS2;
- else if (cgbits == 0xf) {
- if (dcs & 4)
- alpha = DCS_8BIT_DATA;
- else
- alpha = DCS_7BIT_DEFAULT;
- }
-
- return alpha;
-}
-
-/* generate a TPDU address field compliant with 03.40 sec. 9.1.2.5 */
-int gsm340_gen_oa(uint8_t *oa, unsigned int oa_len, uint8_t type,
- uint8_t plan, const char *number)
-{
- int len_in_bytes;
-
- /* prevent buffer overflows */
- if (strlen(number) > 20)
- number = "";
-
- oa[1] = 0x80 | (type << 4) | plan;
-
- len_in_bytes = gsm48_encode_bcd_number(oa, oa_len, 1, number);
-
- /* GSM 03.40 tells us the length is in 'useful semi-octets' */
- oa[0] = strlen(number) & 0xff;
-
- return len_in_bytes;
-}
-
-/* Prefix msg with a RP header */
-int gsm411_push_rp_header(struct msgb *msg, uint8_t rp_msg_type,
- uint8_t rp_msg_ref)
-{
- struct gsm411_rp_hdr *rp;
- uint8_t len = msg->len;
-
- /* GSM 04.11 RP-DATA header */
- rp = (struct gsm411_rp_hdr *)msgb_push(msg, sizeof(*rp));
- rp->len = len + 2;
- rp->msg_type = rp_msg_type;
- rp->msg_ref = rp_msg_ref; /* FIXME: Choose randomly */
-
- return 0;
-}
-
-/* Prefix msg with a 04.08/04.11 CP header */
-int gsm411_push_cp_header(struct msgb *msg, uint8_t proto, uint8_t trans,
- uint8_t msg_type)
-{
- struct gsm48_hdr *gh;
-
- gh = (struct gsm48_hdr *) msgb_push(msg, sizeof(*gh));
- /* Outgoing needs the highest bit set */
- gh->proto_discr = proto | (trans << 4);
- gh->msg_type = msg_type;
-
- return 0;
-}
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