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-rw-r--r--tests/gsm0408/gsm0408_test.c235
-rw-r--r--tests/gsm0408/gsm0408_test.ok123
2 files changed, 358 insertions, 0 deletions
diff --git a/tests/gsm0408/gsm0408_test.c b/tests/gsm0408/gsm0408_test.c
index 2a0e661e..24f903a7 100644
--- a/tests/gsm0408/gsm0408_test.c
+++ b/tests/gsm0408/gsm0408_test.c
@@ -352,11 +352,246 @@ static void test_mid_from_imsi(void)
printf("passed: [%u] %s\n", len, osmo_hexdump(buf, len));
}
+struct test_mid_encode_decode_test {
+ uint8_t mi_type;
+ const char *mi_str;
+ size_t str_size;
+ const char *expect_mi_tlv_hex;
+ const char *expect_str;
+ int expect_rc;
+};
+
+static const struct test_mid_encode_decode_test test_mid_encode_decode_tests[] = {
+ {
+ .mi_type = GSM_MI_TYPE_IMSI,
+ .mi_str = "123456789012345",
+ .expect_mi_tlv_hex = "17081932547698103254",
+ },
+ {
+ .mi_type = GSM_MI_TYPE_IMSI,
+ .mi_str = "12345678901234",
+ .expect_mi_tlv_hex = "170811325476981032f4",
+ },
+ {
+ .mi_type = GSM_MI_TYPE_IMSI,
+ .mi_str = "423423",
+ .expect_mi_tlv_hex = "1704413224f3",
+ },
+ {
+ .mi_type = GSM_MI_TYPE_IMSI | GSM_MI_ODD,
+ .mi_str = "423423",
+ .expect_mi_tlv_hex = "1704493224f3", /* encodes "odd" for even number of digits! */
+ },
+ {
+ .mi_type = GSM_MI_TYPE_IMSI,
+ .mi_str = "4234235",
+ .expect_mi_tlv_hex = "170449322453",
+ },
+ {
+ .mi_type = GSM_MI_TYPE_IMSI,
+ .mi_str = "4234235",
+ .expect_mi_tlv_hex = "170449322453",
+ .str_size = 4,
+ .expect_str = "423",
+ .expect_rc = 3, /* exception: on truncation, gsm48_mi_to_string() returns strlen(), not bytes! */
+ },
+ {
+ .mi_type = GSM_MI_TYPE_IMEI,
+ .mi_str = "123456789012345",
+ .expect_mi_tlv_hex = "17081a32547698103254",
+ },
+ {
+ .mi_type = GSM_MI_TYPE_IMEI,
+ .mi_str = "98765432109876",
+ .expect_mi_tlv_hex = "170892785634129078f6",
+ },
+ {
+ .mi_type = GSM_MI_TYPE_IMEI,
+ .mi_str = "987654321098765",
+ .expect_mi_tlv_hex = "17089a78563412907856",
+ },
+ {
+ .mi_type = GSM_MI_TYPE_IMEISV,
+ .mi_str = "987654321098765432",
+ .expect_mi_tlv_hex = "170a937856341290785634f2",
+ },
+ {
+ .mi_type = GSM_MI_TYPE_IMEISV,
+ .mi_str = "987654321098765432",
+ .expect_mi_tlv_hex = "170a937856341290785634f2",
+ .str_size = 16,
+ .expect_str = "987654321098765",
+ .expect_rc = 15, /* exception: on truncation, gsm48_mi_to_string() returns strlen(), not bytes! */
+ },
+ {
+ /* gsm48 treats TMSI as decimal string */
+ .mi_type = GSM_MI_TYPE_TMSI,
+ .mi_str = "305419896", /* 0x12345678 as decimal */
+ .expect_mi_tlv_hex = "1705f412345678",
+ .expect_rc = 9, /* exception: gsm48_mi_to_string() for TMSI returns strlen(), not bytes! */
+ },
+ {
+ .mi_type = GSM_MI_TYPE_TMSI,
+ .mi_str = "12648430", /* 0xc0ffee as decimal */
+ .expect_mi_tlv_hex = "1705f400c0ffee",
+ .expect_rc = 8, /* exception: gsm48_mi_to_string() for TMSI returns strlen(), not bytes! */
+ },
+ {
+ .mi_type = GSM_MI_TYPE_TMSI,
+ .mi_str = "0",
+ .expect_mi_tlv_hex = "1705f400000000",
+ .expect_rc = 1, /* exception: gsm48_mi_to_string() for TMSI returns strlen(), not bytes! */
+ },
+ {
+ /* gsm48 treats TMSI as decimal string */
+ .mi_type = GSM_MI_TYPE_TMSI,
+ .mi_str = "305419896", /* 0x12345678 as decimal */
+ .expect_mi_tlv_hex = "1705f412345678",
+ .str_size = 5,
+ .expect_str = "3054",
+ .expect_rc = 9, /* exception: gsm48_mi_to_string() for TMSI returns would-be strlen() like snprintf()! */
+ },
+ {
+ .mi_type = GSM_MI_TYPE_NONE,
+ .mi_str = "123",
+ .expect_mi_tlv_hex = "17021832", /* encoding invalid MI type */
+ .expect_str = "",
+ },
+ {
+ .mi_type = GSM_MI_TYPE_NONE,
+ .mi_str = "1234",
+ .expect_mi_tlv_hex = "17031032f4", /* encoding invalid MI type */
+ .expect_str = "",
+ },
+ {
+ .mi_type = GSM_MI_ODD,
+ .mi_str = "1234",
+ .expect_mi_tlv_hex = "17031832f4", /* encoding invalid MI type, and "odd" for an even number of digits */
+ .expect_str = "",
+ },
+};
+
+static void test_mid_encode_decode(void)
+{
+ int i;
+
+ printf("\nTesting Mobile Identity conversions\n");
+
+ for (i = 0; i < ARRAY_SIZE(test_mid_encode_decode_tests); i++) {
+ const struct test_mid_encode_decode_test *t = &test_mid_encode_decode_tests[i];
+ uint8_t tlv_buf[64];
+ uint8_t *mi_buf;
+ int tlv_len;
+ int mi_len;
+ const char *tlv_hex;
+ char str[64] = {};
+ size_t str_size = t->str_size ? : sizeof(str);
+ const char *expect_str = t->expect_str ? : t->mi_str;
+ int expect_rc = t->expect_rc ? : strlen(expect_str)+1;
+ int rc;
+ int str_len;
+
+ printf("- %s %s\n", gsm48_mi_type_name(t->mi_type), t->mi_str);
+ if (t->mi_type == GSM_MI_TYPE_TMSI)
+ tlv_len = gsm48_generate_mid_from_tmsi(tlv_buf, (uint32_t)atoll(t->mi_str));
+ else
+ tlv_len = gsm48_generate_mid(tlv_buf, t->mi_str, t->mi_type);
+ tlv_hex = osmo_hexdump_nospc(tlv_buf, tlv_len);
+
+ printf(" -> MI-TLV-hex='%s'\n", tlv_hex);
+ if (t->expect_mi_tlv_hex && strcmp(tlv_hex, t->expect_mi_tlv_hex)) {
+ printf(" ERROR: expected '%s'\n", t->expect_mi_tlv_hex);
+ }
+
+ /* skip the GSM48_IE_MOBILE_ID tag and length */
+ mi_buf = tlv_buf + 2;
+ mi_len = tlv_len - 2;
+
+ rc = gsm48_mi_to_string(str, str_size, mi_buf, mi_len);
+ printf(" -> MI-str=%s rc=%d\n", osmo_quote_str(str, -1), rc);
+ if (strcmp(str, expect_str))
+ printf(" ERROR: expected MI-str=%s\n", osmo_quote_str(expect_str, -1));
+ if (rc != expect_rc)
+ printf(" ERROR: expected rc=%d\n", expect_rc);
+
+ /* Now make sure the resulting string is always '\0' terminated.
+ * The above started out with a zeroed buffer, now repeat with a tainted one. */
+ str_len = strlen(str);
+ str[str_len] = '!';
+ gsm48_mi_to_string(str, str_size, mi_buf, mi_len);
+ if (strlen(str) != str_len)
+ printf(" ERROR: resulting string is not explicitly nul terminated\n");
+ }
+}
+
+static const uint8_t test_mid_decode_zero_length_types[] = { GSM_MI_TYPE_IMSI, GSM_MI_TYPE_TMSI, GSM_MI_TYPE_NONE };
+
+static void test_mid_decode_zero_length(void)
+{
+ int odd;
+ uint8_t valid_mi[64];
+ int valid_mi_len;
+
+ printf("\nDecoding zero length Mobile Identities\n");
+
+ /* IMSI = 123456789012345 */
+ valid_mi_len = osmo_hexparse("1932547698103254", valid_mi, sizeof(valid_mi));
+
+ for (odd = 0; odd <= 1; odd++) {
+ int i;
+ for (i = 0; i < ARRAY_SIZE(test_mid_decode_zero_length_types); i++) {
+ uint8_t mi_type = test_mid_decode_zero_length_types[i] | (odd ? GSM_MI_ODD : 0);
+ char str[8] = {};
+ int rc;
+
+ printf("- MI type: %s%s\n", gsm48_mi_type_name(mi_type & GSM_MI_TYPE_MASK),
+ odd ? " | GSM_MI_ODD":"");
+ valid_mi[0] = (valid_mi[0] & 0xf0) | mi_type;
+
+ printf(" - writing to zero-length string:\n");
+ memset(str, '!', sizeof(str) - 1);
+ rc = gsm48_mi_to_string(str, 0, valid_mi, valid_mi_len);
+ printf(" rc=%d\n", rc);
+ if (str[0] == '!')
+ printf(" nothing written\n");
+ else
+ printf(" ERROR: Wrote to invalid memory!\n");
+
+ printf(" - writing to 1-byte-length string:\n");
+ memset(str, '!', sizeof(str) - 1);
+ rc = gsm48_mi_to_string(str, 1, valid_mi, valid_mi_len);
+ printf(" rc=%d\n", rc);
+ if (str[0] == '\0')
+ printf(" returned empty string\n");
+ else if (str[0] == '!')
+ printf(" ERROR: nothing written, expected nul-terminated empty string\n");
+ else
+ printf(" ERROR: Wrote unexpected string %s\n", osmo_quote_str(str, 5));
+ if (str[1] != '!')
+ printf(" ERROR: Wrote to invalid memory!\n");
+
+ printf(" - decode zero-length mi:\n");
+ memset(str, '!', sizeof(str) - 1);
+ rc = gsm48_mi_to_string(str, sizeof(str), valid_mi, 0);
+ printf(" rc=%d\n", rc);
+ if (str[0] == '\0')
+ printf(" returned empty string\n");
+ else if (str[0] == '!')
+ printf(" ERROR: nothing written, expected nul-terminated empty string\n");
+ else
+ printf(" ERROR: expected empty string, got output string: %s\n", osmo_quote_str(str, -1));
+ }
+ }
+ printf("\n");
+}
+
int main(int argc, char **argv)
{
test_bearer_cap();
test_mid_from_tmsi();
test_mid_from_imsi();
+ test_mid_encode_decode();
+ test_mid_decode_zero_length();
test_ra_cap();
test_lai_encode_decode();
diff --git a/tests/gsm0408/gsm0408_test.ok b/tests/gsm0408/gsm0408_test.ok
index c1d6a701..1dc42499 100644
--- a/tests/gsm0408/gsm0408_test.ok
+++ b/tests/gsm0408/gsm0408_test.ok
@@ -2,6 +2,129 @@ Test `CSD 9600/V.110/transparent' passed
Test `Speech, all codecs' passed
Simple TMSI encoding test....passed
Simple IMSI encoding test....passed: [10] 17 08 99 10 07 00 00 00 64 02
+
+Testing Mobile Identity conversions
+- IMSI 123456789012345
+ -> MI-TLV-hex='17081932547698103254'
+ -> MI-str="123456789012345" rc=16
+- IMSI 12345678901234
+ -> MI-TLV-hex='170811325476981032f4'
+ -> MI-str="12345678901234" rc=15
+- IMSI 423423
+ -> MI-TLV-hex='1704413224f3'
+ -> MI-str="423423" rc=7
+- unknown 0x9 423423
+ -> MI-TLV-hex='1704493224f3'
+ -> MI-str="423423F" rc=8
+ ERROR: expected MI-str="423423"
+ ERROR: expected rc=7
+- IMSI 4234235
+ -> MI-TLV-hex='170449322453'
+ -> MI-str="4234235" rc=8
+- IMSI 4234235
+ -> MI-TLV-hex='170449322453'
+ -> MI-str="423" rc=3
+ ERROR: resulting string is not explicitly nul terminated
+- IMEI 123456789012345
+ -> MI-TLV-hex='17081a32547698103254'
+ -> MI-str="123456789012345" rc=16
+- IMEI 98765432109876
+ -> MI-TLV-hex='170892785634129078f6'
+ -> MI-str="98765432109876" rc=15
+- IMEI 987654321098765
+ -> MI-TLV-hex='17089a78563412907856'
+ -> MI-str="987654321098765" rc=16
+- IMEI-SV 987654321098765432
+ -> MI-TLV-hex='170a937856341290785634f2'
+ -> MI-str="987654321098765432" rc=19
+- IMEI-SV 987654321098765432
+ -> MI-TLV-hex='170a937856341290785634f2'
+ -> MI-str="987654321098765" rc=15
+ ERROR: resulting string is not explicitly nul terminated
+- TMSI 305419896
+ -> MI-TLV-hex='1705f412345678'
+ -> MI-str="305419896" rc=9
+- TMSI 12648430
+ -> MI-TLV-hex='1705f400c0ffee'
+ -> MI-str="12648430" rc=8
+- TMSI 0
+ -> MI-TLV-hex='1705f400000000'
+ -> MI-str="0" rc=1
+- TMSI 305419896
+ -> MI-TLV-hex='1705f412345678'
+ -> MI-str="3054" rc=9
+- NONE 123
+ -> MI-TLV-hex='17021832'
+ -> MI-str="" rc=1
+- NONE 1234
+ -> MI-TLV-hex='17031032f4'
+ -> MI-str="" rc=1
+- unknown 0x8 1234
+ -> MI-TLV-hex='17031832f4'
+ -> MI-str="" rc=1
+
+Decoding zero length Mobile Identities
+- MI type: IMSI
+ - writing to zero-length string:
+ rc=1
+ ERROR: Wrote to invalid memory!
+ - writing to 1-byte-length string:
+ rc=1
+ ERROR: Wrote unexpected string "1!!!!"
+ - decode zero-length mi:
+ rc=2
+ ERROR: expected empty string, got output string: "1"
+- MI type: TMSI
+ - writing to zero-length string:
+ rc=1
+ ERROR: Wrote to invalid memory!
+ - writing to 1-byte-length string:
+ rc=1
+ returned empty string
+ - decode zero-length mi:
+ rc=1
+ returned empty string
+- MI type: NONE
+ - writing to zero-length string:
+ rc=1
+ ERROR: Wrote to invalid memory!
+ - writing to 1-byte-length string:
+ rc=1
+ returned empty string
+ - decode zero-length mi:
+ rc=1
+ returned empty string
+- MI type: IMSI | GSM_MI_ODD
+ - writing to zero-length string:
+ rc=1
+ ERROR: Wrote to invalid memory!
+ - writing to 1-byte-length string:
+ rc=1
+ ERROR: Wrote unexpected string "1!!!!"
+ - decode zero-length mi:
+ rc=2
+ ERROR: expected empty string, got output string: "1"
+- MI type: TMSI | GSM_MI_ODD
+ - writing to zero-length string:
+ rc=1
+ ERROR: Wrote to invalid memory!
+ - writing to 1-byte-length string:
+ rc=1
+ returned empty string
+ - decode zero-length mi:
+ rc=1
+ returned empty string
+- MI type: NONE | GSM_MI_ODD
+ - writing to zero-length string:
+ rc=1
+ ERROR: Wrote to invalid memory!
+ - writing to 1-byte-length string:
+ rc=1
+ returned empty string
+ - decode zero-length mi:
+ rc=1
+ returned empty string
+
Constructed RA:
077-121-666-5
MCC+MNC in BCD: 70 17 21