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-rw-r--r--src/mm-base-sim.c2
-rw-r--r--src/mm-broadband-modem-mbim.c6
-rw-r--r--src/mm-charsets.c21
-rw-r--r--src/mm-charsets.h10
-rw-r--r--src/mm-sms-part-3gpp.c116
-rw-r--r--src/tests/test-charsets.c4
6 files changed, 95 insertions, 64 deletions
diff --git a/src/mm-base-sim.c b/src/mm-base-sim.c
index 0e00342c..f50af820 100644
--- a/src/mm-base-sim.c
+++ b/src/mm-base-sim.c
@@ -1427,7 +1427,7 @@ parse_spn (const gchar *response,
buflen--;
/* First byte is metadata; remainder is GSM-7 unpacked into octets; convert to UTF8 */
- return (gchar *)mm_charset_gsm_unpacked_to_utf8 (bin + 1, buflen - 1);
+ return (gchar *)mm_charset_gsm_unpacked_to_utf8 (bin + 1, buflen - 1, FALSE, error);
}
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
diff --git a/src/mm-broadband-modem-mbim.c b/src/mm-broadband-modem-mbim.c
index 7c592fe4..c073bb29 100644
--- a/src/mm-broadband-modem-mbim.c
+++ b/src/mm-broadband-modem-mbim.c
@@ -4820,11 +4820,9 @@ ussd_decode (guint32 scheme,
guint32 unpacked_len;
unpacked = mm_charset_gsm_unpack ((const guint8 *)data->data, (data->len * 8) / 7, 0, &unpacked_len);
- decoded = (gchar *) mm_charset_gsm_unpacked_to_utf8 (unpacked, unpacked_len);
+ decoded = (gchar *) mm_charset_gsm_unpacked_to_utf8 (unpacked, unpacked_len, FALSE, error);
if (!decoded)
- g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED,
- "Error decoding USSD command in 0x%04x scheme (GSM7 charset)",
- scheme);
+ g_prefix_error (error, "Error decoding USSD command in 0x%04x scheme (GSM7 charset): ", scheme);
} else if (scheme == MM_MODEM_GSM_USSD_SCHEME_UCS2) {
decoded = mm_modem_charset_byte_array_to_utf8 (data, MM_MODEM_CHARSET_UCS2);
if (!decoded)
diff --git a/src/mm-charsets.c b/src/mm-charsets.c
index bc33b2ae..3a8ea719 100644
--- a/src/mm-charsets.c
+++ b/src/mm-charsets.c
@@ -360,11 +360,13 @@ utf8_to_gsm_ext_char (const gchar *utf8,
}
guint8 *
-mm_charset_gsm_unpacked_to_utf8 (const guint8 *gsm,
- guint32 len)
+mm_charset_gsm_unpacked_to_utf8 (const guint8 *gsm,
+ guint32 len,
+ gboolean translit,
+ GError **error)
{
- guint i;
- GByteArray *utf8;
+ g_autoptr(GByteArray) utf8 = NULL;
+ guint i;
g_return_val_if_fail (gsm != NULL, NULL);
g_return_val_if_fail (len < 4096, NULL);
@@ -410,13 +412,18 @@ mm_charset_gsm_unpacked_to_utf8 (const guint8 *gsm,
if (ulen)
g_byte_array_append (utf8, &uchars[0], ulen);
- else
+ else if (translit)
g_byte_array_append (utf8, (guint8 *) "?", 1);
+ else {
+ g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS,
+ "Invalid conversion from GSM7");
+ return NULL;
+ }
}
/* Always make sure returned string is NUL terminated */
g_byte_array_append (utf8, (guint8 *) "\0", 1);
- return g_byte_array_free (utf8, FALSE);
+ return g_byte_array_free (g_steal_pointer (&utf8), FALSE);
}
guint8 *
@@ -740,7 +747,7 @@ mm_charset_take_and_convert_to_utf8 (gchar *str,
break;
case MM_MODEM_CHARSET_GSM:
- utf8 = (gchar *) mm_charset_gsm_unpacked_to_utf8 ((const guint8 *) str, strlen (str));
+ utf8 = (gchar *) mm_charset_gsm_unpacked_to_utf8 ((const guint8 *) str, strlen (str), FALSE, NULL);
g_free (str);
break;
diff --git a/src/mm-charsets.h b/src/mm-charsets.h
index a84b7ac5..dc8613a5 100644
--- a/src/mm-charsets.h
+++ b/src/mm-charsets.h
@@ -53,10 +53,12 @@ gchar *mm_modem_charset_byte_array_to_utf8 (GByteArray *array,
gchar *mm_modem_charset_hex_to_utf8 (const gchar *src,
MMModemCharset charset);
-guint8 *mm_charset_utf8_to_unpacked_gsm (const gchar *utf8,
- guint32 *out_len);
-guint8 *mm_charset_gsm_unpacked_to_utf8 (const guint8 *gsm,
- guint32 len);
+guint8 *mm_charset_utf8_to_unpacked_gsm (const gchar *utf8,
+ guint32 *out_len);
+guint8 *mm_charset_gsm_unpacked_to_utf8 (const guint8 *gsm,
+ guint32 len,
+ gboolean translit,
+ GError **error);
/* Checks whether conversion to the given charset may be done without errors */
gboolean mm_charset_can_convert_to (const gchar *utf8,
diff --git a/src/mm-sms-part-3gpp.c b/src/mm-sms-part-3gpp.c
index 83181d3b..e7735e1d 100644
--- a/src/mm-sms-part-3gpp.c
+++ b/src/mm-sms-part-3gpp.c
@@ -120,23 +120,24 @@ sms_string_to_bcd_semi_octets (guint8 *buf, gsize buflen, const char *string)
}
/* len is in semi-octets */
-static char *
-sms_decode_address (const guint8 *address, int len)
+static gchar *
+sms_decode_address (const guint8 *address,
+ gint len,
+ GError **error)
{
guint8 addrtype, addrplan;
- char *utf8;
+ gchar *utf8;
addrtype = address[0] & SMS_NUMBER_TYPE_MASK;
addrplan = address[0] & SMS_NUMBER_PLAN_MASK;
address++;
if (addrtype == SMS_NUMBER_TYPE_ALPHA) {
- guint8 *unpacked;
- guint32 unpacked_len;
+ g_autofree guint8 *unpacked = NULL;
+ guint32 unpacked_len;
+
unpacked = mm_charset_gsm_unpack (address, (len * 4) / 7, 0, &unpacked_len);
- utf8 = (char *)mm_charset_gsm_unpacked_to_utf8 (unpacked,
- unpacked_len);
- g_free (unpacked);
+ utf8 = (gchar *) mm_charset_gsm_unpacked_to_utf8 (unpacked, unpacked_len, FALSE, error);
} else if (addrtype == SMS_NUMBER_TYPE_INTL &&
addrplan == SMS_NUMBER_PLAN_TELEPHONE) {
/* International telphone number, format as "+1234567890" */
@@ -239,41 +240,45 @@ sms_encoding_type (int dcs)
return scheme;
}
-static char *
-sms_decode_text (const guint8 *text,
- int len,
- MMSmsEncoding encoding,
- int bit_offset,
- gpointer log_object)
+static gchar *
+sms_decode_text (const guint8 *text,
+ int len,
+ MMSmsEncoding encoding,
+ int bit_offset,
+ gpointer log_object,
+ GError **error)
{
- gchar *utf8;
-
if (encoding == MM_SMS_ENCODING_GSM7) {
g_autofree guint8 *unpacked = NULL;
guint32 unpacked_len;
+ gchar *utf8;
- mm_obj_dbg (log_object, "converting SMS part text from GSM-7 to UTF-8...");
unpacked = mm_charset_gsm_unpack ((const guint8 *) text, len, bit_offset, &unpacked_len);
- utf8 = (char *) mm_charset_gsm_unpacked_to_utf8 (unpacked, unpacked_len);
- mm_obj_dbg (log_object, " got UTF-8 text: '%s'", utf8);
- } else if (encoding == MM_SMS_ENCODING_UCS2) {
- g_autoptr(GByteArray) bytearray = NULL;
+ utf8 = (gchar *) mm_charset_gsm_unpacked_to_utf8 (unpacked, unpacked_len, FALSE, error);
+ if (utf8)
+ mm_obj_dbg (log_object, "converted SMS part text from GSM-7 to UTF-8: %s", utf8);
+ return utf8;
+ }
+
+ if (encoding == MM_SMS_ENCODING_UCS2) {
+ g_autoptr(GByteArray) bytearray = NULL;
+ gchar *utf8;
- mm_obj_dbg (log_object, "converting SMS part text from UTF-16BE to UTF-8...");
bytearray = g_byte_array_append (g_byte_array_sized_new (len), (const guint8 *)text, len);
/* Always assume UTF-16 instead of UCS-2! */
utf8 = mm_modem_charset_byte_array_to_utf8 (bytearray, MM_MODEM_CHARSET_UTF16);
- if (!utf8) {
- mm_obj_warn (log_object, "couldn't convert SMS part contents from UTF-16BE to UTF-8: not decoding any text");
- utf8 = g_strdup ("");
- } else
- mm_obj_dbg (log_object, " got UTF-8 text: '%s'", utf8);
- } else {
- mm_obj_warn (log_object, "unexpected encoding: %s; not decoding any text", mm_sms_encoding_get_string (encoding));
- utf8 = g_strdup ("");
+ if (!utf8)
+ g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
+ "Couldn't convert SMS part contents from UTF-16BE to UTF-8: not decoding any text");
+ else
+ mm_obj_dbg (log_object, "converted SMS part text from UTF-16BE to UTF-8: %s", utf8);
+ return utf8;
}
- return utf8;
+ g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
+ "Couldn't convert SMS part contents from %s to UTF-8",
+ mm_sms_encoding_get_string (encoding));
+ return NULL;
}
static guint
@@ -373,6 +378,7 @@ mm_sms_part_3gpp_new_from_binary_pdu (guint index,
guint tp_dcs_offset = 0;
guint tp_user_data_len_offset = 0;
MMSmsEncoding user_data_encoding = MM_SMS_ENCODING_UNKNOWN;
+ gchar *address;
/* Create the new MMSmsPart */
sms_part = mm_sms_part_new (index, MM_SMS_PDU_TYPE_UNKNOWN);
@@ -405,8 +411,13 @@ mm_sms_part_3gpp_new_from_binary_pdu (guint index,
if (smsc_addr_size_bytes > 0) {
PDU_SIZE_CHECK (offset + smsc_addr_size_bytes, "cannot read SMSC address");
/* SMSC may not be given in DELIVER PDUs */
- mm_sms_part_take_smsc (sms_part,
- sms_decode_address (&pdu[1], 2 * (smsc_addr_size_bytes - 1)));
+ address = sms_decode_address (&pdu[1], 2 * (smsc_addr_size_bytes - 1), error);
+ if (!address) {
+ g_prefix_error (error, "Couldn't read SMSC address: ");
+ mm_sms_part_free (sms_part);
+ return NULL;
+ }
+ mm_sms_part_take_smsc (sms_part, g_steal_pointer (&address));
mm_obj_dbg (log_object, " SMSC address parsed: '%s'", mm_sms_part_get_smsc (sms_part));
offset += smsc_addr_size_bytes;
} else
@@ -478,9 +489,13 @@ mm_sms_part_3gpp_new_from_binary_pdu (guint index,
tp_addr_size_bytes = (tp_addr_size_digits + 1) >> 1;
PDU_SIZE_CHECK (offset + tp_addr_size_bytes, "cannot read number");
- mm_sms_part_take_number (sms_part,
- sms_decode_address (&pdu[offset],
- tp_addr_size_digits));
+ address = sms_decode_address (&pdu[offset], tp_addr_size_digits, error);
+ if (!address) {
+ g_prefix_error (error, "Couldn't read address: ");
+ mm_sms_part_free (sms_part);
+ return NULL;
+ }
+ mm_sms_part_take_number (sms_part, g_steal_pointer (&address));
mm_obj_dbg (log_object, " number parsed: %s", mm_sms_part_get_number (sms_part));
offset += (1 + tp_addr_size_bytes); /* +1 due to the Type of Address byte */
@@ -709,17 +724,24 @@ mm_sms_part_3gpp_new_from_binary_pdu (guint index,
switch (user_data_encoding) {
case MM_SMS_ENCODING_GSM7:
case MM_SMS_ENCODING_UCS2:
- /* Otherwise if it's 7-bit or UCS2 we can decode it */
- mm_obj_dbg (log_object, "decoding SMS text with %u elements", tp_user_data_size_elements);
- mm_sms_part_take_text (sms_part,
- sms_decode_text (&pdu[tp_user_data_offset],
- tp_user_data_size_elements,
- user_data_encoding,
- bit_offset,
- log_object));
- g_warn_if_fail (mm_sms_part_get_text (sms_part) != NULL);
- break;
-
+ {
+ gchar *text;
+
+ /* Otherwise if it's 7-bit or UCS2 we can decode it */
+ mm_obj_dbg (log_object, "decoding SMS text with %u elements", tp_user_data_size_elements);
+ text = sms_decode_text (&pdu[tp_user_data_offset],
+ tp_user_data_size_elements,
+ user_data_encoding,
+ bit_offset,
+ log_object,
+ error);
+ if (!text) {
+ mm_sms_part_free (sms_part);
+ return NULL;
+ }
+ mm_sms_part_take_text (sms_part, text);
+ break;
+ }
case MM_SMS_ENCODING_8BIT:
case MM_SMS_ENCODING_UNKNOWN:
default:
diff --git a/src/tests/test-charsets.c b/src/tests/test-charsets.c
index a15e0332..b18c11b1 100644
--- a/src/tests/test-charsets.c
+++ b/src/tests/test-charsets.c
@@ -30,6 +30,7 @@ common_test_gsm7 (const gchar *in_utf8)
g_autofree guint8 *packed_gsm = NULL;
g_autofree guint8 *unpacked_gsm_2 = NULL;
g_autofree gchar *built_utf8 = NULL;
+ g_autoptr(GError) error = NULL;
/* Convert to GSM */
unpacked_gsm = mm_charset_utf8_to_unpacked_gsm (in_utf8, &unpacked_gsm_len);
@@ -58,8 +59,9 @@ common_test_gsm7 (const gchar *in_utf8)
g_assert_nonnull (unpacked_gsm_2);
/* And back to UTF-8 */
- built_utf8 = (gchar *) mm_charset_gsm_unpacked_to_utf8 (unpacked_gsm_2, unpacked_gsm_len_2);
+ built_utf8 = (gchar *) mm_charset_gsm_unpacked_to_utf8 (unpacked_gsm_2, unpacked_gsm_len_2, FALSE, &error);
g_assert_nonnull (built_utf8);
+ g_assert_no_error (error);
g_assert_cmpstr (built_utf8, ==, in_utf8);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-06-07 20:22:26 +0000