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-rw-r--r--include/osmocom/gsm/gsm23003.h4
-rw-r--r--include/osmocom/gsm/protocol/gsm_23_003.h1
-rw-r--r--src/gsm/Makefile.am3
-rw-r--r--src/gsm/gsm23003.c65
-rw-r--r--src/gsm/libosmogsm.map3
-rw-r--r--tests/Makefile.am8
-rw-r--r--tests/gsm23003/gsm23003_test.c124
-rw-r--r--tests/gsm23003/gsm23003_test.ok42
-rw-r--r--tests/testsuite.at6
9 files changed, 253 insertions, 3 deletions
diff --git a/include/osmocom/gsm/gsm23003.h b/include/osmocom/gsm/gsm23003.h
index 2bc75837..dd41bc5b 100644
--- a/include/osmocom/gsm/gsm23003.h
+++ b/include/osmocom/gsm/gsm23003.h
@@ -3,6 +3,7 @@
#pragma once
#include <stdint.h>
+#include <stdbool.h>
/* 23.003 Chapter 12.1 */
struct osmo_plmn_id {
@@ -81,3 +82,6 @@ struct osmo_guti {
struct osmo_gummei gummei;
uint32_t mtmsi;
};
+
+bool osmo_imsi_str_valid(const char *imsi);
+bool osmo_msisdn_str_valid(const char *msisdn);
diff --git a/include/osmocom/gsm/protocol/gsm_23_003.h b/include/osmocom/gsm/protocol/gsm_23_003.h
index 94243feb..0e669399 100644
--- a/include/osmocom/gsm/protocol/gsm_23_003.h
+++ b/include/osmocom/gsm/protocol/gsm_23_003.h
@@ -4,6 +4,7 @@
/* Chapter 2.2 */
#define GSM23003_IMSI_MAX_DIGITS 15
+#define GSM23003_IMSI_MIN_DIGITS 6
/* Chapter 2.4 */
#define GSM23003_TMSI_NUM_BYTES 4
/* Chapter 2.5 */
diff --git a/src/gsm/Makefile.am b/src/gsm/Makefile.am
index 08cd5e65..48b8b2cf 100644
--- a/src/gsm/Makefile.am
+++ b/src/gsm/Makefile.am
@@ -29,7 +29,8 @@ libgsmint_la_SOURCES = a5.c rxlev_stat.c tlv_parser.c comp128.c comp128v23.c \
auth_milenage.c milenage/aes-encblock.c gea.c \
milenage/aes-internal.c milenage/aes-internal-enc.c \
milenage/milenage.c gan.c ipa.c gsm0341.c apn.c \
- gsup.c gprs_gea.c gsm0503_conv.c oap.c gsm0808_utils.c
+ gsup.c gprs_gea.c gsm0503_conv.c oap.c gsm0808_utils.c \
+ gsm23003.c
libgsmint_la_LDFLAGS = -no-undefined
libgsmint_la_LIBADD = $(top_builddir)/src/libosmocore.la
diff --git a/src/gsm/gsm23003.c b/src/gsm/gsm23003.c
new file mode 100644
index 00000000..004e20ff
--- /dev/null
+++ b/src/gsm/gsm23003.c
@@ -0,0 +1,65 @@
+/*! \file gsm23003.c
+ * Utility function implementations related to 3GPP TS 23.003 */
+/*
+ * (C) 2017 sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * 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 <ctype.h>
+
+#include <osmocom/gsm/gsm23003.h>
+#include <osmocom/gsm/protocol/gsm_23_003.h>
+
+static bool is_n_digits(const char *str, int min_digits, int max_digits)
+{
+ int len;
+ /* Use unsigned char * to avoid a compiler warning of
+ * "error: array subscript has type 'char' [-Werror=char-subscripts]" */
+ const unsigned char *pos = (const unsigned char *)str;
+ for (len = 0; *pos && len < max_digits; len++, pos++)
+ if (!isdigit(*pos))
+ return false;
+ if (len < min_digits)
+ return false;
+ /* With not too many digits, we should have reached *str == nul */
+ if (*pos)
+ return false;
+ return true;
+}
+
+/*! Determine whether the given IMSI is valid according to 3GPP TS 23.003.
+ * \param imsi IMSI digits in ASCII string representation.
+ * \returns true when the IMSI is valid, false for invalid characters or number
+ * of digits.
+ */
+bool osmo_imsi_str_valid(const char *imsi)
+{
+ return is_n_digits(imsi, GSM23003_IMSI_MIN_DIGITS, GSM23003_IMSI_MAX_DIGITS);
+}
+
+/*! Determine whether the given MSISDN is valid according to 3GPP TS 23.003.
+ * \param msisdn MSISDN digits in ASCII string representation.
+ * \returns true when the MSISDN is valid, false for invalid characters or number
+ * of digits.
+ */
+bool osmo_msisdn_str_valid(const char *msisdn)
+{
+ return is_n_digits(msisdn, 1, 15);
+}
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 066f4107..95b2ca9f 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -418,5 +418,8 @@ osmo_gsup_message_type_names;
osmo_oap_encode;
osmo_oap_decode;
+osmo_imsi_str_valid;
+osmo_msisdn_str_valid;
+
local: *;
};
diff --git a/tests/Makefile.am b/tests/Makefile.am
index b1387174..dbe349f5 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -15,7 +15,7 @@ check_PROGRAMS = timer/timer_test sms/sms_test ussd/ussd_test \
write_queue/wqueue_test socket/socket_test \
coding/coding_test conv/conv_gsm0503_test \
abis/abis_test endian/endian_test sercomm/sercomm_test \
- stats/stats_test prbs/prbs_test
+ stats/stats_test prbs/prbs_test gsm23003/gsm23003_test
if ENABLE_MSGFILE
check_PROGRAMS += msgfile/msgfile_test
@@ -186,6 +186,9 @@ sercomm_sercomm_test_LDADD = $(top_builddir)/src/libosmocore.la
prbs_prbs_test_SOURCES = prbs/prbs_test.c
prbs_prbs_test_LDADD = $(top_builddir)/src/libosmocore.la
+gsm23003_gsm23003_test_SOURCES = gsm23003/gsm23003_test.c
+gsm23003_gsm23003_test_LDADD = $(top_builddir)/src/gsm/libosmogsm.la $(top_builddir)/src/libosmocore.la
+
# The `:;' works around a Bash 3.2 bug when the output is not writeable.
$(srcdir)/package.m4: $(top_srcdir)/configure.ac
:;{ \
@@ -241,7 +244,8 @@ EXTRA_DIST = testsuite.at $(srcdir)/package.m4 $(TESTSUITE) \
osmo-auc-gen/osmo-auc-gen_test.ok \
osmo-auc-gen/osmo-auc-gen_test.err \
conv/conv_gsm0503_test.ok endian/endian_test.ok \
- sercomm/sercomm_test.ok prbs/prbs_test.ok
+ sercomm/sercomm_test.ok prbs/prbs_test.ok \
+ gsm23003/gsm23003_test.ok
DISTCLEANFILES = atconfig atlocal conv/gsm0503_test_vectors.c
BUILT_SOURCES = conv/gsm0503_test_vectors.c
diff --git a/tests/gsm23003/gsm23003_test.c b/tests/gsm23003/gsm23003_test.c
new file mode 100644
index 00000000..682f1626
--- /dev/null
+++ b/tests/gsm23003/gsm23003_test.c
@@ -0,0 +1,124 @@
+/*
+ * (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * 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 <stdio.h>
+
+#include <osmocom/gsm/gsm23003.h>
+#include <osmocom/core/utils.h>
+
+#define BOOL_STR(b) ((b)? "true" : "false")
+
+static struct {
+ const char *imsi;
+ bool expect_ok;
+} test_imsis[] = {
+ { "", false },
+ { " ", false },
+ { "1", false },
+ { "123", false },
+ { "12345", false },
+ { "123456", true },
+ { "1234567", true },
+ { "1234567890123", true },
+ { "123456789012345", true },
+ { "000000000000000", true },
+ { "999999999999999", true },
+ { "1234567890123456", false },
+ { "a23456789012345", false },
+ { "1234567b9012345", false },
+ { "12345678901234c", false },
+ { "123456789 01234", false },
+ { "1234567\n123456", false },
+ { "123456\t123456", false },
+ { "123456\r123456", false },
+};
+
+bool test_valid_imsi()
+{
+ int i;
+ bool pass = true;
+ bool ok = true;
+ printf("----- %s\n", __func__);
+
+ for (i = 0; i < ARRAY_SIZE(test_imsis); i++) {
+ ok = osmo_imsi_str_valid(test_imsis[i].imsi);
+ pass = pass && (ok == test_imsis[i].expect_ok);
+ printf("%2d: expect=%s result=%s imsi='%s'\n",
+ i, BOOL_STR(test_imsis[i].expect_ok), BOOL_STR(ok),
+ test_imsis[i].imsi);
+ }
+ return pass;
+}
+
+static struct {
+ const char *msisdn;
+ bool expect_ok;
+} test_msisdns[] = {
+ { "", false },
+ { " ", false },
+ { "1", true },
+ { "123", true },
+ { "12345", true },
+ { "123456", true },
+ { "1234567", true },
+ { "1234567890123", true },
+ { "123456789012345", true },
+ { "000000000000000", true },
+ { "999999999999999", true },
+ { "1234567890123456", false },
+ { "a23456789012345", false },
+ { "1234567b9012345", false },
+ { "12345678901234c", false },
+ { "123456789 01234", false },
+ { "1234567\n123456", false },
+ { "123456\t123456", false },
+ { "123456\r123456", false },
+};
+
+bool test_valid_msisdn()
+{
+ int i;
+ bool pass = true;
+ bool ok = true;
+ printf("----- %s\n", __func__);
+
+ for (i = 0; i < ARRAY_SIZE(test_msisdns); i++) {
+ ok = osmo_msisdn_str_valid(test_msisdns[i].msisdn);
+ pass = pass && (ok == test_msisdns[i].expect_ok);
+ printf("%2d: expect=%s result=%s msisdn='%s'\n",
+ i, BOOL_STR(test_msisdns[i].expect_ok), BOOL_STR(ok),
+ test_msisdns[i].msisdn);
+ }
+ return pass;
+}
+
+int main(int argc, char **argv)
+{
+ bool pass = true;
+
+ pass = pass && test_valid_imsi();
+ pass = pass && test_valid_msisdn();
+
+ OSMO_ASSERT(pass);
+
+ return EXIT_SUCCESS;
+}
diff --git a/tests/gsm23003/gsm23003_test.ok b/tests/gsm23003/gsm23003_test.ok
new file mode 100644
index 00000000..777451a8
--- /dev/null
+++ b/tests/gsm23003/gsm23003_test.ok
@@ -0,0 +1,42 @@
+----- test_valid_imsi
+ 0: expect=false result=false imsi=''
+ 1: expect=false result=false imsi=' '
+ 2: expect=false result=false imsi='1'
+ 3: expect=false result=false imsi='123'
+ 4: expect=false result=false imsi='12345'
+ 5: expect=true result=true imsi='123456'
+ 6: expect=true result=true imsi='1234567'
+ 7: expect=true result=true imsi='1234567890123'
+ 8: expect=true result=true imsi='123456789012345'
+ 9: expect=true result=true imsi='000000000000000'
+10: expect=true result=true imsi='999999999999999'
+11: expect=false result=false imsi='1234567890123456'
+12: expect=false result=false imsi='a23456789012345'
+13: expect=false result=false imsi='1234567b9012345'
+14: expect=false result=false imsi='12345678901234c'
+15: expect=false result=false imsi='123456789 01234'
+16: expect=false result=false imsi='1234567
+123456'
+17: expect=false result=false imsi='123456 123456'
+18: expect=false result=false imsi='123456 123456'
+----- test_valid_msisdn
+ 0: expect=false result=false msisdn=''
+ 1: expect=false result=false msisdn=' '
+ 2: expect=true result=true msisdn='1'
+ 3: expect=true result=true msisdn='123'
+ 4: expect=true result=true msisdn='12345'
+ 5: expect=true result=true msisdn='123456'
+ 6: expect=true result=true msisdn='1234567'
+ 7: expect=true result=true msisdn='1234567890123'
+ 8: expect=true result=true msisdn='123456789012345'
+ 9: expect=true result=true msisdn='000000000000000'
+10: expect=true result=true msisdn='999999999999999'
+11: expect=false result=false msisdn='1234567890123456'
+12: expect=false result=false msisdn='a23456789012345'
+13: expect=false result=false msisdn='1234567b9012345'
+14: expect=false result=false msisdn='12345678901234c'
+15: expect=false result=false msisdn='123456789 01234'
+16: expect=false result=false msisdn='1234567
+123456'
+17: expect=false result=false msisdn='123456 123456'
+18: expect=false result=false msisdn='123456 123456'
diff --git a/tests/testsuite.at b/tests/testsuite.at
index 1954e66b..483860fc 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -287,3 +287,9 @@ AT_KEYWORDS([prbs])
cat $abs_srcdir/prbs/prbs_test.ok > expout
AT_CHECK([$abs_top_builddir/tests/prbs/prbs_test], [0], [expout], [ignore])
AT_CLEANUP
+
+AT_SETUP([gsm23003])
+AT_KEYWORDS([gsm23003])
+cat $abs_srcdir/gsm23003/gsm23003_test.ok > expout
+AT_CHECK([$abs_top_builddir/tests/gsm23003/gsm23003_test], [0], [expout], [ignore])
+AT_CLEANUP
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 02:28:07 +0000