add gsm0341_test to generate SMSCB hex strings

Those hex strings can then be copy+pasted into the OSmoNITB VTY

3 files changed, 59 insertions, 1 deletions

diff --git a/src/gsm/Makefile.am b/src/gsm/Makefile.am
index 828aa50f..f119a740 100644
--- a/src/gsm/Makefile.am
+++ b/src/gsm/Makefile.am
@@ -20,7 +20,7 @@ libosmogsm_la_SOURCES = a5.c rxlev_stat.c tlv_parser.c comp128.c comp128v23.c \
 			auth_core.c auth_comp128v1.c auth_comp128v23.c \
 			auth_milenage.c milenage/aes-encblock.c \
 			milenage/aes-internal.c milenage/aes-internal-enc.c \
-			milenage/milenage.c gan.c ipa.c
+			milenage/milenage.c gan.c ipa.c gsm0341.c
 
 libosmogsm_la_LDFLAGS = $(LTLDFLAGS_OSMOGSM) -version-info $(LIBVERSION) -no-undefined
 libosmogsm_la_LIBADD = $(top_builddir)/src/libosmocore.la
diff --git a/src/gsm/gsm0341.c b/src/gsm/gsm0341.c
new file mode 100644
index 00000000..c6526c21
--- /dev/null
+++ b/src/gsm/gsm0341.c
@@ -0,0 +1,56 @@
+/*
+ * (C) 2014 by Harald Welte <laforge@gnumonks.org>
+ * 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 <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <osmocom/core/talloc.h>
+#include <osmocom/gsm/protocol/gsm_03_41.h>
+
+struct gsm341_ms_message *
+gsm0341_build_msg(void *ctx, uint8_t geo_scope, uint8_t msg_code,
+		  uint8_t update, uint16_t msg_id, uint8_t dcs,
+		  uint8_t page_total, uint8_t page_cur,
+		  uint8_t *data, uint8_t len)
+{
+	struct gsm341_ms_message *cbmsg;
+
+	if (len > 88)
+		return NULL;
+
+	cbmsg = talloc_zero_size(ctx, sizeof(*cbmsg)+len);
+	if (!cbmsg)
+		return NULL;
+
+	cbmsg->serial.code_hi = (msg_code >> 4) & 0xF;
+	cbmsg->serial.gs = geo_scope;
+	cbmsg->serial.update = update;
+	cbmsg->serial.code_lo = msg_code & 0xF;
+	cbmsg->msg_id = msg_id;
+	cbmsg->dcs.group = dcs >> 4;
+	cbmsg->dcs.language = dcs & 0xF;
+	cbmsg->page.total = page_total;
+	cbmsg->page.current = page_cur;
+	memcpy(cbmsg->data, data, len);
+
+	return cbmsg;
+}
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index d82c8a06..02c88840 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -38,6 +38,8 @@ gprs_cipher_supported;
 gprs_tlli_type;
 gprs_tmsi2tlli;
 
+gsm0341_build_msg;
+
 gsm0480_create_notifySS;
 gsm0480_create_unstructuredSS_Notify;
 gsm0480_create_ussd_resp;