1 /* -*- mode: C; c-file-style: "gnu" -*- */
2 /* dbus-marshal.c Marshalling routines
4 * Copyright (C) 2002 CodeFactory AB
5 * Copyright (C) 2003 Red Hat, Inc.
7 * Licensed under the Academic Free License version 2.0
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "dbus-marshal.h"
26 #include "dbus-internals.h"
27 #define DBUS_CAN_USE_DBUS_STRING_PRIVATE 1
28 #include "dbus-string-private.h"
33 * @defgroup DBusMarshal marshaling and unmarshaling
34 * @ingroup DBusInternals
35 * @brief functions to marshal/unmarshal data from the wire
37 * Types and functions related to converting primitive data types from
38 * wire format to native machine format, and vice versa.
44 unpack_4_octets (int byte_order,
45 const unsigned char *data)
47 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, 4) == data);
49 if (byte_order == DBUS_LITTLE_ENDIAN)
50 return DBUS_UINT32_FROM_LE (*(dbus_uint32_t*)data);
52 return DBUS_UINT32_FROM_BE (*(dbus_uint32_t*)data);
55 #ifndef DBUS_HAVE_INT64
58 swap_bytes (unsigned char *data,
61 unsigned char *p1 = data;
62 unsigned char *p2 = data + len - 1;
66 unsigned char tmp = *p1;
74 #endif /* !DBUS_HAVE_INT64 */
77 * Union used to manipulate 8 bytes as if they
82 #ifdef DBUS_HAVE_INT64
83 dbus_int64_t s; /**< 64-bit integer */
84 dbus_uint64_t u; /**< 64-bit unsinged integer */
86 double d; /**< double */
90 unpack_8_octets (int byte_order,
91 const unsigned char *data)
95 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, 8) == data);
96 _dbus_assert (sizeof (r) == 8);
98 #ifdef DBUS_HAVE_INT64
99 if (byte_order == DBUS_LITTLE_ENDIAN)
100 r.u = DBUS_UINT64_FROM_LE (*(dbus_uint64_t*)data);
102 r.u = DBUS_UINT64_FROM_BE (*(dbus_uint64_t*)data);
104 r.d = *(double*)data;
105 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
106 swap_bytes ((unsigned char*) &r, sizeof (r));
113 * Unpacks a 32 bit unsigned integer from a data pointer
115 * @param byte_order The byte order to use
116 * @param data the data pointer
117 * @returns the integer
120 _dbus_unpack_uint32 (int byte_order,
121 const unsigned char *data)
123 return unpack_4_octets (byte_order, data);
127 * Unpacks a 32 bit signed integer from a data pointer
129 * @param byte_order The byte order to use
130 * @param data the data pointer
131 * @returns the integer
134 _dbus_unpack_int32 (int byte_order,
135 const unsigned char *data)
137 return (dbus_int32_t) unpack_4_octets (byte_order, data);
140 #ifdef DBUS_HAVE_INT64
142 * Unpacks a 64 bit unsigned integer from a data pointer
144 * @param byte_order The byte order to use
145 * @param data the data pointer
146 * @returns the integer
149 _dbus_unpack_uint64 (int byte_order,
150 const unsigned char *data)
154 r = unpack_8_octets (byte_order, data);
160 * Unpacks a 64 bit signed integer from a data pointer
162 * @param byte_order The byte order to use
163 * @param data the data pointer
164 * @returns the integer
167 _dbus_unpack_int64 (int byte_order,
168 const unsigned char *data)
172 r = unpack_8_octets (byte_order, data);
177 #endif /* DBUS_HAVE_INT64 */
180 pack_4_octets (dbus_uint32_t value,
184 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, 4) == data);
186 if ((byte_order) == DBUS_LITTLE_ENDIAN)
187 *((dbus_uint32_t*)(data)) = DBUS_UINT32_TO_LE (value);
189 *((dbus_uint32_t*)(data)) = DBUS_UINT32_TO_BE (value);
193 pack_8_octets (DBusOctets8 value,
197 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, 8) == data);
199 #ifdef DBUS_HAVE_INT64
200 if ((byte_order) == DBUS_LITTLE_ENDIAN)
201 *((dbus_uint64_t*)(data)) = DBUS_UINT64_TO_LE (value.u);
203 *((dbus_uint64_t*)(data)) = DBUS_UINT64_TO_BE (value.u);
205 memcpy (data, &value, 8);
206 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
207 swap_bytes ((unsigned char *)data, 8);
212 * Packs a 32 bit unsigned integer into a data pointer.
214 * @param value the value
215 * @param byte_order the byte order to use
216 * @param data the data pointer
219 _dbus_pack_uint32 (dbus_uint32_t value,
223 pack_4_octets (value, byte_order, data);
227 * Packs a 32 bit signed integer into a data pointer.
229 * @param value the value
230 * @param byte_order the byte order to use
231 * @param data the data pointer
234 _dbus_pack_int32 (dbus_int32_t value,
238 pack_4_octets ((dbus_uint32_t) value, byte_order, data);
241 #ifdef DBUS_HAVE_INT64
243 * Packs a 64 bit unsigned integer into a data pointer.
245 * @param value the value
246 * @param byte_order the byte order to use
247 * @param data the data pointer
250 _dbus_pack_uint64 (dbus_uint64_t value,
256 pack_8_octets (r, byte_order, data);
260 * Packs a 64 bit signed integer into a data pointer.
262 * @param value the value
263 * @param byte_order the byte order to use
264 * @param data the data pointer
267 _dbus_pack_int64 (dbus_int64_t value,
273 pack_8_octets (r, byte_order, data);
275 #endif /* DBUS_HAVE_INT64 */
278 set_4_octets (DBusString *str,
285 _dbus_assert (byte_order == DBUS_LITTLE_ENDIAN ||
286 byte_order == DBUS_BIG_ENDIAN);
288 data = _dbus_string_get_data_len (str, offset, 4);
290 _dbus_pack_uint32 (value, byte_order, data);
294 set_8_octets (DBusString *str,
301 _dbus_assert (byte_order == DBUS_LITTLE_ENDIAN ||
302 byte_order == DBUS_BIG_ENDIAN);
304 data = _dbus_string_get_data_len (str, offset, 8);
306 pack_8_octets (value, byte_order, data);
310 * Sets the 4 bytes at the given offset to a marshaled signed integer,
311 * replacing anything found there previously.
313 * @param str the string to write the marshalled int to
314 * @param offset the byte offset where int should be written
315 * @param byte_order the byte order to use
316 * @param value the value
320 _dbus_marshal_set_int32 (DBusString *str,
325 set_4_octets (str, byte_order, offset, (dbus_uint32_t) value);
329 * Sets the 4 bytes at the given offset to a marshaled unsigned
330 * integer, replacing anything found there previously.
332 * @param str the string to write the marshalled int to
333 * @param offset the byte offset where int should be written
334 * @param byte_order the byte order to use
335 * @param value the value
339 _dbus_marshal_set_uint32 (DBusString *str,
344 set_4_octets (str, byte_order, offset, value);
347 #ifdef DBUS_HAVE_INT64
350 * Sets the 8 bytes at the given offset to a marshaled signed integer,
351 * replacing anything found there previously.
353 * @param str the string to write the marshalled int to
354 * @param offset the byte offset where int should be written
355 * @param byte_order the byte order to use
356 * @param value the value
360 _dbus_marshal_set_int64 (DBusString *str,
367 set_8_octets (str, byte_order, offset, r);
371 * Sets the 8 bytes at the given offset to a marshaled unsigned
372 * integer, replacing anything found there previously.
374 * @param str the string to write the marshalled int to
375 * @param offset the byte offset where int should be written
376 * @param byte_order the byte order to use
377 * @param value the value
381 _dbus_marshal_set_uint64 (DBusString *str,
388 set_8_octets (str, byte_order, offset, r);
390 #endif /* DBUS_HAVE_INT64 */
393 * Sets the existing marshaled string at the given offset with
394 * a new marshaled string. The given offset must point to
395 * an existing string or the wrong length will be deleted
396 * and replaced with the new string.
398 * Note: no attempt is made by this function to re-align
399 * any data which has been already marshalled after this
400 * string. Use with caution.
402 * @param str the string to write the marshalled string to
403 * @param offset the byte offset where string should be written
404 * @param byte_order the byte order to use
405 * @param value the value
406 * @param len the length to use
407 * @returns #TRUE on success
411 _dbus_marshal_set_string (DBusString *str,
414 const DBusString *value,
419 _dbus_assert (byte_order == DBUS_LITTLE_ENDIAN ||
420 byte_order == DBUS_BIG_ENDIAN);
422 old_len = _dbus_demarshal_uint32 (str, byte_order,
425 if (!_dbus_string_replace_len (value, 0, len,
426 str, offset + 4, old_len))
429 _dbus_marshal_set_uint32 (str, byte_order,
436 * Sets the existing marshaled object path at the given offset to a new
437 * value. The given offset must point to an existing object path or this
438 * function doesn't make sense.
440 * @todo implement this function
442 * @param str the string to write the marshalled path to
443 * @param offset the byte offset where path should be written
444 * @param byte_order the byte order to use
445 * @param path the new path
446 * @param path_len number of elements in the path
449 _dbus_marshal_set_object_path (DBusString *str,
460 marshal_4_octets (DBusString *str,
464 _dbus_assert (sizeof (value) == 4);
466 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
467 value = DBUS_UINT32_SWAP_LE_BE (value);
469 return _dbus_string_append_4_aligned (str,
470 (const unsigned char *)&value);
474 marshal_8_octets (DBusString *str,
478 _dbus_assert (sizeof (value) == 8);
480 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
481 pack_8_octets (value, byte_order, (unsigned char*) &value); /* pack into self, swapping as we go */
483 return _dbus_string_append_8_aligned (str,
484 (const unsigned char *)&value);
488 * Marshals a double value.
490 * @param str the string to append the marshalled value to
491 * @param byte_order the byte order to use
492 * @param value the value
493 * @returns #TRUE on success
496 _dbus_marshal_double (DBusString *str,
502 return marshal_8_octets (str, byte_order, r);
506 * Marshals a 32 bit signed integer value.
508 * @param str the string to append the marshalled value to
509 * @param byte_order the byte order to use
510 * @param value the value
511 * @returns #TRUE on success
514 _dbus_marshal_int32 (DBusString *str,
518 return marshal_4_octets (str, byte_order, (dbus_uint32_t) value);
522 * Marshals a 32 bit unsigned integer value.
524 * @param str the string to append the marshalled value to
525 * @param byte_order the byte order to use
526 * @param value the value
527 * @returns #TRUE on success
530 _dbus_marshal_uint32 (DBusString *str,
534 return marshal_4_octets (str, byte_order, value);
538 #ifdef DBUS_HAVE_INT64
540 * Marshals a 64 bit signed integer value.
542 * @param str the string to append the marshalled value to
543 * @param byte_order the byte order to use
544 * @param value the value
545 * @returns #TRUE on success
548 _dbus_marshal_int64 (DBusString *str,
554 return marshal_8_octets (str, byte_order, r);
558 * Marshals a 64 bit unsigned integer value.
560 * @param str the string to append the marshalled value to
561 * @param byte_order the byte order to use
562 * @param value the value
563 * @returns #TRUE on success
566 _dbus_marshal_uint64 (DBusString *str,
572 return marshal_8_octets (str, byte_order, r);
575 #endif /* DBUS_HAVE_INT64 */
578 * Marshals a UTF-8 string
580 * @todo: If the string append fails we need to restore
581 * the old length. (also for other marshallers)
583 * @param str the string to append the marshalled value to
584 * @param byte_order the byte order to use
585 * @param value the string
586 * @returns #TRUE on success
589 _dbus_marshal_string (DBusString *str,
593 int len, old_string_len;
595 old_string_len = _dbus_string_get_length (str);
597 len = strlen (value);
599 if (!_dbus_marshal_uint32 (str, byte_order, len))
601 /* Restore the previous length */
602 _dbus_string_set_length (str, old_string_len);
607 return _dbus_string_append_len (str, value, len + 1);
611 * Marshals a byte array
613 * @param str the string to append the marshalled value to
614 * @param byte_order the byte order to use
615 * @param value the array
616 * @param len number of elements in the array
617 * @returns #TRUE on success
620 _dbus_marshal_byte_array (DBusString *str,
622 const unsigned char *value,
627 old_string_len = _dbus_string_get_length (str);
629 if (!_dbus_marshal_uint32 (str, byte_order, len))
631 /* Restore the previous length */
632 _dbus_string_set_length (str, old_string_len);
640 return _dbus_string_append_len (str, value, len);
644 marshal_4_octets_array (DBusString *str,
646 const dbus_uint32_t *value,
652 old_string_len = _dbus_string_get_length (str);
654 if (!_dbus_marshal_uint32 (str, byte_order, len * 4))
657 array_start = _dbus_string_get_length (str);
659 if (!_dbus_string_append_len (str, (const unsigned char*) value,
663 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
665 const unsigned char *d;
666 const unsigned char *end;
668 d = _dbus_string_get_data (str) + array_start;
672 *((dbus_uint32_t*)d) = DBUS_UINT32_SWAP_LE_BE (*((dbus_uint32_t*)d));
680 /* Restore previous length */
681 _dbus_string_set_length (str, old_string_len);
687 marshal_8_octets_array (DBusString *str,
689 const DBusOctets8 *value,
695 old_string_len = _dbus_string_get_length (str);
697 if (!_dbus_marshal_uint32 (str, byte_order, len * 8))
700 array_start = _dbus_string_get_length (str);
702 if (!_dbus_string_append_len (str, (const unsigned char*) value,
706 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
708 const unsigned char *d;
709 const unsigned char *end;
711 d = _dbus_string_get_data (str) + array_start;
715 #ifdef DBUS_HAVE_INT64
716 *((dbus_uint64_t*)d) = DBUS_UINT64_SWAP_LE_BE (*((dbus_uint64_t*)d));
718 swap_bytes ((unsigned char*) d, 8);
727 /* Restore previous length */
728 _dbus_string_set_length (str, old_string_len);
734 * Marshals a 32 bit signed integer array
736 * @param str the string to append the marshalled value to
737 * @param byte_order the byte order to use
738 * @param value the array
739 * @param len the length of the array
740 * @returns #TRUE on success
743 _dbus_marshal_int32_array (DBusString *str,
745 const dbus_int32_t *value,
748 return marshal_4_octets_array (str, byte_order,
749 (const dbus_uint32_t*) value,
754 * Marshals a 32 bit unsigned integer array
756 * @param str the string to append the marshalled value to
757 * @param byte_order the byte order to use
758 * @param value the array
759 * @param len the length of the array
760 * @returns #TRUE on success
763 _dbus_marshal_uint32_array (DBusString *str,
765 const dbus_uint32_t *value,
768 return marshal_4_octets_array (str, byte_order,
773 #ifdef DBUS_HAVE_INT64
776 * Marshals a 64 bit signed integer array
778 * @param str the string to append the marshalled value to
779 * @param byte_order the byte order to use
780 * @param value the array
781 * @param len the length of the array
782 * @returns #TRUE on success
785 _dbus_marshal_int64_array (DBusString *str,
787 const dbus_int64_t *value,
790 return marshal_8_octets_array (str, byte_order,
791 (const DBusOctets8*) value,
796 * Marshals a 64 bit unsigned integer array
798 * @param str the string to append the marshalled value to
799 * @param byte_order the byte order to use
800 * @param value the array
801 * @param len the length of the array
802 * @returns #TRUE on success
805 _dbus_marshal_uint64_array (DBusString *str,
807 const dbus_uint64_t *value,
810 return marshal_8_octets_array (str, byte_order,
811 (const DBusOctets8*) value,
815 #endif /* DBUS_HAVE_INT64 */
818 * Marshals a double array
820 * @param str the string to append the marshalled value to
821 * @param byte_order the byte order to use
822 * @param value the array
823 * @param len the length of the array
824 * @returns #TRUE on success
827 _dbus_marshal_double_array (DBusString *str,
832 return marshal_8_octets_array (str, byte_order,
833 (const DBusOctets8*) value,
838 * Marshals a string array
840 * @param str the string to append the marshalled value to
841 * @param byte_order the byte order to use
842 * @param value the array
843 * @param len the length of the array
844 * @returns #TRUE on success
847 _dbus_marshal_string_array (DBusString *str,
852 int i, old_string_len, array_start;
854 old_string_len = _dbus_string_get_length (str);
856 /* Set the length to 0 temporarily */
857 if (!_dbus_marshal_uint32 (str, byte_order, 0))
860 array_start = _dbus_string_get_length (str);
862 for (i = 0; i < len; i++)
863 if (!_dbus_marshal_string (str, byte_order, value[i]))
866 /* Write the length now that we know it */
867 _dbus_marshal_set_uint32 (str, byte_order,
868 _DBUS_ALIGN_VALUE (old_string_len, sizeof(dbus_uint32_t)),
869 _dbus_string_get_length (str) - array_start);
874 /* Restore previous length */
875 _dbus_string_set_length (str, old_string_len);
881 * Marshals an object path value.
883 * @param str the string to append the marshalled value to
884 * @param byte_order the byte order to use
885 * @param path the path
886 * @param path_len length of the path
887 * @returns #TRUE on success
890 _dbus_marshal_object_path (DBusString *str,
895 int array_start, old_string_len;
898 old_string_len = _dbus_string_get_length (str);
900 /* Set the length to 0 temporarily */
901 if (!_dbus_marshal_uint32 (str, byte_order, 0))
904 array_start = _dbus_string_get_length (str);
909 if (!_dbus_string_append_byte (str, '/'))
912 if (!_dbus_string_append (str, path[0]))
918 /* Write the length now that we know it */
919 _dbus_marshal_set_uint32 (str, byte_order,
920 _DBUS_ALIGN_VALUE (old_string_len, sizeof(dbus_uint32_t)),
921 _dbus_string_get_length (str) - array_start);
926 /* Restore the previous length */
927 _dbus_string_set_length (str, old_string_len);
933 demarshal_4_octets (const DBusString *str,
938 const DBusRealString *real = (const DBusRealString*) str;
940 pos = _DBUS_ALIGN_VALUE (pos, 4);
945 return unpack_4_octets (byte_order, real->str + pos);
949 demarshal_8_octets (const DBusString *str,
954 const DBusRealString *real = (const DBusRealString*) str;
956 pos = _DBUS_ALIGN_VALUE (pos, 8);
961 return unpack_8_octets (byte_order, real->str + pos);
965 * Demarshals a double.
967 * @param str the string containing the data
968 * @param byte_order the byte order
969 * @param pos the position in the string
970 * @param new_pos the new position of the string
971 * @returns the demarshaled double.
974 _dbus_demarshal_double (const DBusString *str,
981 r = demarshal_8_octets (str, byte_order, pos, new_pos);
987 * Demarshals a 32 bit signed integer.
989 * @param str the string containing the data
990 * @param byte_order the byte order
991 * @param pos the position in the string
992 * @param new_pos the new position of the string
993 * @returns the demarshaled integer.
996 _dbus_demarshal_int32 (const DBusString *str,
1001 return (dbus_int32_t) demarshal_4_octets (str, byte_order, pos, new_pos);
1005 * Demarshals a 32 bit unsigned integer.
1007 * @param str the string containing the data
1008 * @param byte_order the byte order
1009 * @param pos the position in the string
1010 * @param new_pos the new position of the string
1011 * @returns the demarshaled integer.
1014 _dbus_demarshal_uint32 (const DBusString *str,
1019 return demarshal_4_octets (str, byte_order, pos, new_pos);
1022 #ifdef DBUS_HAVE_INT64
1025 * Demarshals a 64 bit signed integer.
1027 * @param str the string containing the data
1028 * @param byte_order the byte order
1029 * @param pos the position in the string
1030 * @param new_pos the new position of the string
1031 * @returns the demarshaled integer.
1034 _dbus_demarshal_int64 (const DBusString *str,
1041 r = demarshal_8_octets (str, byte_order, pos, new_pos);
1047 * Demarshals a 64 bit unsigned integer.
1049 * @param str the string containing the data
1050 * @param byte_order the byte order
1051 * @param pos the position in the string
1052 * @param new_pos the new position of the string
1053 * @returns the demarshaled integer.
1056 _dbus_demarshal_uint64 (const DBusString *str,
1063 r = demarshal_8_octets (str, byte_order, pos, new_pos);
1068 #endif /* DBUS_HAVE_INT64 */
1071 * Demarshals an UTF-8 string.
1073 * @todo Should we check the string to make sure
1074 * that it's valid UTF-8, and maybe "fix" the string
1077 * @todo Should probably demarshal to a DBusString,
1078 * having memcpy() in here is Evil(tm).
1080 * @param str the string containing the data
1081 * @param byte_order the byte order
1082 * @param pos the position in the string
1083 * @param new_pos the new position of the string
1084 * @returns the demarshaled string.
1087 _dbus_demarshal_string (const DBusString *str,
1096 len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
1098 retval = dbus_malloc (len + 1);
1103 data = _dbus_string_get_const_data_len (str, pos, len + 1);
1108 memcpy (retval, data, len + 1);
1111 *new_pos = pos + len + 1;
1117 * Demarshals a byte array.
1119 * @todo Should probably demarshal to a DBusString,
1120 * having memcpy() in here is Evil(tm).
1122 * @param str the string containing the data
1123 * @param byte_order the byte order
1124 * @param pos the position in the string
1125 * @param new_pos the new position of the string
1126 * @param array the array
1127 * @param array_len length of the demarshaled data
1129 * @returns #TRUE on success
1132 _dbus_demarshal_byte_array (const DBusString *str,
1136 unsigned char **array,
1140 unsigned char *retval;
1143 len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
1156 retval = dbus_malloc (len);
1161 data = _dbus_string_get_const_data_len (str, pos, len);
1169 memcpy (retval, data, len);
1172 *new_pos = pos + len;
1181 demarshal_4_octets_array (const DBusString *str,
1185 dbus_uint32_t **array,
1189 dbus_uint32_t *retval;
1192 byte_len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
1206 if (!_dbus_string_copy_data_len (str, (char**) &retval,
1210 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
1212 for (i = 0; i < len; i++)
1213 retval[i] = DBUS_UINT32_SWAP_LE_BE (retval[i]);
1217 *new_pos = pos + byte_len;
1226 demarshal_8_octets_array (const DBusString *str,
1230 DBusOctets8 **array,
1234 DBusOctets8 *retval;
1237 byte_len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
1251 if (!_dbus_string_copy_data_len (str, (char**) &retval,
1255 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
1257 for (i = 0; i < len; i++)
1259 #ifdef DBUS_HAVE_INT64
1260 retval[i].u = DBUS_UINT64_SWAP_LE_BE (retval[i].u);
1262 swap_bytes ((unsigned char *) &retval[i], 8);
1268 *new_pos = pos + byte_len;
1277 * Demarshals a 32 bit signed integer array.
1279 * @param str the string containing the data
1280 * @param byte_order the byte order
1281 * @param pos the position in the string
1282 * @param new_pos the new position of the string
1283 * @param array the array
1284 * @param array_len length of the demarshaled data
1285 * @returns #TRUE on success
1288 _dbus_demarshal_int32_array (const DBusString *str,
1292 dbus_int32_t **array,
1295 return demarshal_4_octets_array (str, byte_order, pos, new_pos,
1296 (dbus_uint32_t**) array, array_len);
1300 * Demarshals a 32 bit unsigned integer array.
1302 * @param str the string containing the data
1303 * @param byte_order the byte order
1304 * @param pos the position in the string
1305 * @param new_pos the new position of the string
1306 * @param array the array
1307 * @param array_len length of the demarshaled data
1308 * @returns #TRUE on success
1311 _dbus_demarshal_uint32_array (const DBusString *str,
1315 dbus_uint32_t **array,
1318 return demarshal_4_octets_array (str, byte_order, pos, new_pos,
1322 #ifdef DBUS_HAVE_INT64
1325 * Demarshals a 64 bit signed integer array.
1327 * @param str the string containing the data
1328 * @param byte_order the byte order
1329 * @param pos the position in the string
1330 * @param new_pos the new position of the string
1331 * @param array the array
1332 * @param array_len length of the demarshaled data
1333 * @returns #TRUE on success
1336 _dbus_demarshal_int64_array (const DBusString *str,
1340 dbus_int64_t **array,
1343 return demarshal_8_octets_array (str, byte_order, pos, new_pos,
1344 (DBusOctets8**) array, array_len);
1348 * Demarshals a 64 bit unsigned integer array.
1350 * @param str the string containing the data
1351 * @param byte_order the byte order
1352 * @param pos the position in the string
1353 * @param new_pos the new position of the string
1354 * @param array the array
1355 * @param array_len length of the demarshaled data
1356 * @returns #TRUE on success
1359 _dbus_demarshal_uint64_array (const DBusString *str,
1363 dbus_uint64_t **array,
1366 return demarshal_8_octets_array (str, byte_order, pos, new_pos,
1367 (DBusOctets8**) array, array_len);
1370 #endif /* DBUS_HAVE_INT64 */
1373 * Demarshals a double array.
1375 * @param str the string containing the data
1376 * @param byte_order the byte order
1377 * @param pos the position in the string
1378 * @param new_pos the new position of the string
1379 * @param array the array
1380 * @param array_len length of the demarshaled data
1381 * @returns #TRUE on success
1384 _dbus_demarshal_double_array (const DBusString *str,
1391 return demarshal_8_octets_array (str, byte_order, pos, new_pos,
1392 (DBusOctets8**) array, array_len);
1396 * Demarshals a string array.
1398 * @param str the string containing the data
1399 * @param byte_order the byte order
1400 * @param pos the position in the string
1401 * @param new_pos the new position of the string
1402 * @param array the array
1403 * @param array_len location for length of the demarshaled data or NULL
1404 * @returns #TRUE on success
1407 _dbus_demarshal_string_array (const DBusString *str,
1419 bytes_len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
1434 end_pos = pos + bytes_len;
1436 retval = dbus_new (char *, allocated);
1441 while (pos < end_pos)
1443 retval[len] = _dbus_demarshal_string (str, byte_order, pos, &pos);
1445 if (retval[len] == NULL)
1450 if (len >= allocated - 1) /* -1 for NULL termination */
1453 newp = dbus_realloc (retval,
1454 sizeof (char*) * allocated * 2);
1474 for (i = 0; i < len; i++)
1475 dbus_free (retval[i]);
1481 /** Set to 1 to get a bunch of spew about disassembling the path string */
1482 #define VERBOSE_DECOMPOSE 0
1485 * Demarshals an object path. A path of just "/" is
1486 * represented as an empty vector of strings.
1488 * @param str the string containing the data
1489 * @param byte_order the byte order
1490 * @param pos the position in the string
1491 * @param new_pos the new position of the string
1492 * @param path address to store new object path
1493 * @param path_len length of stored path
1496 _dbus_demarshal_object_path (const DBusString *str,
1509 len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
1510 data = _dbus_string_get_const_data_len (str, pos, len + 1);
1511 _dbus_assert (data != NULL);
1513 #if VERBOSE_DECOMPOSE
1514 _dbus_verbose ("Decomposing path \"%s\"\n",
1527 retval = dbus_new0 (char*, n_components + 1);
1540 while (j < len && data[j] != '/')
1543 /* Now [i, j) is the path component */
1544 _dbus_assert (i < j);
1545 _dbus_assert (data[i] != '/');
1546 _dbus_assert (j == len || data[j] == '/');
1548 #if VERBOSE_DECOMPOSE
1549 _dbus_verbose (" (component in [%d,%d))\n",
1553 retval[comp] = _dbus_memdup (&data[i], j - i + 1);
1554 if (retval[comp] == NULL)
1556 dbus_free_string_array (retval);
1559 retval[comp][j-i] = '\0';
1560 #if VERBOSE_DECOMPOSE
1561 _dbus_verbose (" (component %d = \"%s\")\n",
1562 comp, retval[comp]);
1568 _dbus_assert (i == len);
1572 *path_len = n_components;
1575 *new_pos = pos + len + 1;
1581 * Returns the position right after the end of an argument. PERFORMS
1582 * NO VALIDATION WHATSOEVER. The message must have been previously
1585 * @param str a string
1586 * @param byte_order the byte order to use
1587 * @param type the type of the argument
1588 * @param pos the pos where the arg starts
1589 * @param end_pos pointer where the position right
1590 * after the end position will follow
1591 * @returns TRUE if more data exists after the arg
1594 _dbus_marshal_get_arg_end_pos (const DBusString *str,
1600 if (pos >= _dbus_string_get_length (str))
1605 case DBUS_TYPE_INVALID:
1613 case DBUS_TYPE_BYTE:
1617 case DBUS_TYPE_BOOLEAN:
1621 case DBUS_TYPE_INT32:
1622 case DBUS_TYPE_UINT32:
1623 *end_pos = _DBUS_ALIGN_VALUE (pos, 4) + 4;
1626 case DBUS_TYPE_INT64:
1627 case DBUS_TYPE_UINT64:
1628 case DBUS_TYPE_DOUBLE:
1630 *end_pos = _DBUS_ALIGN_VALUE (pos, 8) + 8;
1633 case DBUS_TYPE_OBJECT_PATH:
1634 case DBUS_TYPE_STRING:
1638 /* Demarshal the length */
1639 len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
1641 *end_pos = pos + len + 1;
1645 case DBUS_TYPE_CUSTOM:
1649 /* Demarshal the string length */
1650 len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
1652 *end_pos = pos + len + 1;
1654 /* Demarshal the data length */
1655 len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
1657 *end_pos = pos + len;
1661 case DBUS_TYPE_ARRAY:
1665 /* Demarshal the length */
1666 len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
1668 *end_pos = pos + len;
1672 case DBUS_TYPE_DICT:
1676 /* Demarshal the length */
1677 len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
1679 *end_pos = pos + len;
1684 _dbus_warn ("Unknown message arg type %d\n", type);
1685 _dbus_assert_not_reached ("Unknown message argument type\n");
1689 if (*end_pos > _dbus_string_get_length (str))
1696 * Demarshals and validates a length; returns < 0 if the validation
1697 * fails. The length is required to be small enough that
1698 * len*sizeof(double) will not overflow, and small enough to fit in a
1699 * signed integer. DOES NOT check whether the length points
1700 * beyond the end of the string, because it doesn't know the
1701 * size of array elements.
1703 * @param str the string
1704 * @param byte_order the byte order
1705 * @param pos the unaligned string position (snap to next aligned)
1706 * @param new_pos return location for new position.
1709 demarshal_and_validate_len (const DBusString *str,
1714 int align_4 = _DBUS_ALIGN_VALUE (pos, 4);
1717 _dbus_assert (new_pos != NULL);
1719 if ((align_4 + 4) > _dbus_string_get_length (str))
1721 _dbus_verbose ("not enough room in message for array length\n");
1725 if (!_dbus_string_validate_nul (str, pos,
1728 _dbus_verbose ("array length alignment padding not initialized to nul\n");
1732 len = _dbus_demarshal_uint32 (str, byte_order, align_4, new_pos);
1734 /* note that the len is the number of bytes, so we need it to be
1735 * at least SIZE_T_MAX, but make it smaller just to keep things
1736 * sane. We end up using ints for most sizes to avoid unsigned mess
1737 * so limit to maximum 32-bit signed int divided by at least 8, more
1738 * for a bit of paranoia margin. INT_MAX/32 is about 65 megabytes.
1740 #define MAX_ARRAY_LENGTH (((unsigned int)_DBUS_INT_MAX) / 32)
1741 if (len > MAX_ARRAY_LENGTH)
1743 _dbus_verbose ("array length %u exceeds maximum of %u\n",
1744 len, MAX_ARRAY_LENGTH);
1752 validate_string (const DBusString *str,
1754 int len_without_nul,
1757 *end_pos = pos + len_without_nul + 1;
1759 if (*end_pos > _dbus_string_get_length (str))
1761 _dbus_verbose ("string length outside length of the message\n");
1765 if (_dbus_string_get_byte (str, pos + len_without_nul) != '\0')
1767 _dbus_verbose ("string arg not nul-terminated\n");
1771 if (!_dbus_string_validate_utf8 (str, pos, len_without_nul))
1773 _dbus_verbose ("string is not valid UTF-8\n");
1781 * Validates and returns a typecode at a specific position
1784 * @param str a string
1785 * @param type the type of the argument
1786 * @param pos the pos where the typecode starts
1787 * @param end_pos pointer where the position right
1788 * after the end position will follow
1789 * @returns #TRUE if the type is valid.
1792 _dbus_marshal_validate_type (const DBusString *str,
1799 if (pos >= _dbus_string_get_length (str))
1802 data = _dbus_string_get_const_data_len (str, pos, 1);
1804 if (_dbus_type_is_valid (*data))
1807 if (end_pos != NULL)
1812 _dbus_verbose ("'%c' %d invalid type code\n", (int) *data, (int) *data);
1817 /* Faster validator for array data that doesn't call
1818 * validate_arg for each value
1821 validate_array_data (const DBusString *str,
1832 case DBUS_TYPE_INVALID:
1839 case DBUS_TYPE_OBJECT_PATH:
1840 case DBUS_TYPE_STRING:
1841 case DBUS_TYPE_CUSTOM:
1842 case DBUS_TYPE_ARRAY:
1843 case DBUS_TYPE_DICT:
1844 /* This clean recursion to validate_arg is what we
1845 * are doing logically for all types, but we don't
1846 * really want to call validate_arg for every byte
1847 * in a byte array, so the primitive types are
1852 if (!_dbus_marshal_validate_arg (str, byte_order, depth,
1853 type, array_type_pos, pos, &pos))
1858 case DBUS_TYPE_BYTE:
1862 case DBUS_TYPE_BOOLEAN:
1867 c = _dbus_string_get_byte (str, pos);
1869 if (!(c == 0 || c == 1))
1871 _dbus_verbose ("boolean value must be either 0 or 1, not %d\n", c);
1879 case DBUS_TYPE_INT32:
1880 case DBUS_TYPE_UINT32:
1881 /* Call validate arg one time to check alignment padding
1884 if (!_dbus_marshal_validate_arg (str, byte_order, depth,
1885 type, array_type_pos, pos, &pos))
1887 pos = _DBUS_ALIGN_VALUE (end, 4);
1890 case DBUS_TYPE_INT64:
1891 case DBUS_TYPE_UINT64:
1892 case DBUS_TYPE_DOUBLE:
1893 /* Call validate arg one time to check alignment padding
1896 if (!_dbus_marshal_validate_arg (str, byte_order, depth,
1897 type, array_type_pos, pos, &pos))
1899 pos = _DBUS_ALIGN_VALUE (end, 8);
1903 _dbus_verbose ("Unknown message arg type %d\n", type);
1913 * Validates an argument of a specific type, checking that it
1914 * is well-formed, for example no ludicrous length fields, strings
1915 * are nul-terminated, etc.
1916 * Returns the end position of the argument in end_pos, and
1917 * returns #TRUE if a valid arg begins at "pos"
1919 * @todo security: need to audit this function.
1921 * @param str a string
1922 * @param byte_order the byte order to use
1923 * @param depth current recursion depth, to prevent excessive recursion
1924 * @param type the type of the argument
1925 * @param array_type_pos the position of the current array type, or
1926 * -1 if not in an array
1927 * @param pos the pos where the arg starts
1928 * @param end_pos pointer where the position right
1929 * after the end position will follow
1930 * @returns #TRUE if the arg is valid.
1933 _dbus_marshal_validate_arg (const DBusString *str,
1941 if (pos > _dbus_string_get_length (str))
1943 _dbus_verbose ("Validation went off the end of the message\n");
1947 #define MAX_VALIDATION_DEPTH 32
1949 if (depth > MAX_VALIDATION_DEPTH)
1951 _dbus_verbose ("Maximum recursion depth reached validating message\n");
1957 case DBUS_TYPE_INVALID:
1965 case DBUS_TYPE_BYTE:
1966 if (1 > _dbus_string_get_length (str) - pos)
1968 _dbus_verbose ("no room for byte value\n");
1975 case DBUS_TYPE_BOOLEAN:
1979 if (1 > _dbus_string_get_length (str) - pos)
1981 _dbus_verbose ("no room for boolean value\n");
1985 c = _dbus_string_get_byte (str, pos);
1987 if (!(c == 0 || c == 1))
1989 _dbus_verbose ("boolean value must be either 0 or 1, not %d\n", c);
1997 case DBUS_TYPE_INT32:
1998 case DBUS_TYPE_UINT32:
2000 int align_4 = _DBUS_ALIGN_VALUE (pos, 4);
2002 if (!_dbus_string_validate_nul (str, pos,
2005 _dbus_verbose ("int32/uint32 alignment padding not initialized to nul\n");
2009 *end_pos = align_4 + 4;
2013 case DBUS_TYPE_INT64:
2014 case DBUS_TYPE_UINT64:
2015 case DBUS_TYPE_DOUBLE:
2017 int align_8 = _DBUS_ALIGN_VALUE (pos, 8);
2019 _dbus_verbose_bytes_of_string (str, pos, (align_8 + 8 - pos));
2021 if (!_dbus_string_validate_nul (str, pos,
2024 _dbus_verbose ("double/int64/uint64/objid alignment padding not initialized to nul\n");
2028 *end_pos = align_8 + 8;
2032 case DBUS_TYPE_OBJECT_PATH:
2033 case DBUS_TYPE_STRING:
2037 /* Demarshal the length, which does NOT include
2040 len = demarshal_and_validate_len (str, byte_order, pos, &pos);
2044 if (!validate_string (str, pos, len, end_pos))
2047 if (type == DBUS_TYPE_OBJECT_PATH)
2049 if (!_dbus_string_validate_path (str, pos, len))
2055 case DBUS_TYPE_CUSTOM:
2059 /* Demarshal the string length, which does NOT include
2062 len = demarshal_and_validate_len (str, byte_order, pos, &pos);
2066 if (!validate_string (str, pos, len, &pos))
2070 len = demarshal_and_validate_len (str, byte_order, pos, &pos);
2074 *end_pos = pos + len;
2078 case DBUS_TYPE_ARRAY:
2084 if (array_type_pos == -1)
2086 array_type_pos = pos;
2090 if (!_dbus_marshal_validate_type (str, pos, &array_type, &pos))
2092 _dbus_verbose ("invalid array type\n");
2096 /* NIL values take up no space, so you couldn't iterate over an array of them.
2097 * array of nil seems useless anyway; the useful thing might be array of
2098 * (nil OR string) but we have no framework for that.
2100 if (array_type == DBUS_TYPE_NIL)
2102 _dbus_verbose ("array of NIL is not allowed\n");
2106 while (array_type == DBUS_TYPE_ARRAY);
2111 if (!_dbus_marshal_validate_type (str, array_type_pos, &array_type, NULL))
2113 _dbus_verbose ("invalid array type\n");
2117 len = demarshal_and_validate_len (str, byte_order, pos, &pos);
2121 if (len > _dbus_string_get_length (str) - pos)
2123 _dbus_verbose ("array length outside length of the message\n");
2129 if (!validate_array_data (str, byte_order, depth + 1,
2130 array_type, array_type_pos,
2136 /* This should not be able to happen, as long as validate_arg moves forward;
2137 * but the check is here just to be paranoid.
2139 _dbus_verbose ("array length %d specified was longer than actual array contents by %d\n",
2146 _dbus_verbose ("array contents exceeds array length %d by %d\n", len, pos - end);
2154 case DBUS_TYPE_DICT:
2160 len = demarshal_and_validate_len (str, byte_order, pos, &pos);
2164 if (len > _dbus_string_get_length (str) - pos)
2166 _dbus_verbose ("dict length outside length of the message\n");
2175 if (!_dbus_marshal_validate_arg (str, byte_order, depth + 1,
2176 DBUS_TYPE_STRING, -1, pos, &pos))
2179 if (!_dbus_marshal_validate_type (str, pos, &dict_type, &pos))
2181 _dbus_verbose ("invalid dict entry type at offset %d\n", pos);
2185 /* Validate element */
2186 if (!_dbus_marshal_validate_arg (str, byte_order, depth + 1,
2187 dict_type, -1, pos, &pos))
2193 _dbus_verbose ("dict contents exceed stated dict length\n");
2202 _dbus_verbose ("Unknown message arg type %d\n", type);
2206 if (*end_pos > _dbus_string_get_length (str))
2213 * Return #TRUE if the typecode is a valid typecode
2215 * @returns #TRUE if valid
2218 _dbus_type_is_valid (int typecode)
2223 case DBUS_TYPE_BYTE:
2224 case DBUS_TYPE_BOOLEAN:
2225 case DBUS_TYPE_INT32:
2226 case DBUS_TYPE_UINT32:
2227 case DBUS_TYPE_INT64:
2228 case DBUS_TYPE_UINT64:
2229 case DBUS_TYPE_DOUBLE:
2230 case DBUS_TYPE_STRING:
2231 case DBUS_TYPE_CUSTOM:
2232 case DBUS_TYPE_ARRAY:
2233 case DBUS_TYPE_DICT:
2234 case DBUS_TYPE_OBJECT_PATH:
2243 * If in verbose mode, print a block of binary data.
2245 * @todo right now it prints even if not in verbose mode
2247 * @param data the data
2248 * @param len the length of the data
2251 _dbus_verbose_bytes (const unsigned char *data,
2255 const unsigned char *aligned;
2257 _dbus_assert (len >= 0);
2259 /* Print blanks on first row if appropriate */
2260 aligned = _DBUS_ALIGN_ADDRESS (data, 4);
2263 _dbus_assert (aligned <= data);
2265 if (aligned != data)
2267 _dbus_verbose ("%4d\t%p: ", - (data - aligned), aligned);
2268 while (aligned != data)
2270 _dbus_verbose (" ");
2275 /* now print the bytes */
2279 if (_DBUS_ALIGN_ADDRESS (&data[i], 4) == &data[i])
2281 _dbus_verbose ("%4d\t%p: ",
2285 if (data[i] >= 32 &&
2287 _dbus_verbose (" '%c' ", data[i]);
2289 _dbus_verbose ("0x%s%x ",
2290 data[i] <= 0xf ? "0" : "", data[i]);
2294 if (_DBUS_ALIGN_ADDRESS (&data[i], 4) == &data[i])
2297 _dbus_verbose ("BE: %d LE: %d",
2298 _dbus_unpack_uint32 (DBUS_BIG_ENDIAN, &data[i-4]),
2299 _dbus_unpack_uint32 (DBUS_LITTLE_ENDIAN, &data[i-4]));
2302 _DBUS_ALIGN_ADDRESS (&data[i], 8) == &data[i])
2304 _dbus_verbose (" dbl: %g",
2305 *(double*)&data[i-8]);
2308 _dbus_verbose ("\n");
2312 _dbus_verbose ("\n");
2316 * Dump the given part of the string to verbose log.
2318 * @param str the string
2319 * @param start the start of range to dump
2320 * @param len length of range
2323 _dbus_verbose_bytes_of_string (const DBusString *str,
2330 real_len = _dbus_string_get_length (str);
2332 _dbus_assert (start >= 0);
2334 if (start > real_len)
2336 _dbus_verbose (" [%d,%d) is not inside string of length %d\n",
2337 start, len, real_len);
2341 if ((start + len) > real_len)
2343 _dbus_verbose (" [%d,%d) extends outside string of length %d\n",
2344 start, len, real_len);
2345 len = real_len - start;
2348 d = _dbus_string_get_const_data_len (str, start, len);
2350 _dbus_verbose_bytes (d, len);
2355 #ifdef DBUS_BUILD_TESTS
2356 #include "dbus-test.h"
2360 _dbus_marshal_test (void)
2365 dbus_int32_t array1[3] = { 0x123, 0x456, 0x789 }, *array2;
2366 #ifdef DBUS_HAVE_INT64
2367 dbus_int64_t array3[3] = { 0x123ffffffff, 0x456ffffffff, 0x789ffffffff }, *array4;
2372 if (!_dbus_string_init (&str))
2373 _dbus_assert_not_reached ("failed to init string");
2375 /* Marshal doubles */
2376 if (!_dbus_marshal_double (&str, DBUS_BIG_ENDIAN, 3.14))
2377 _dbus_assert_not_reached ("could not marshal double value");
2378 if (!_dbus_demarshal_double (&str, DBUS_BIG_ENDIAN, pos, &pos) == 3.14)
2379 _dbus_assert_not_reached ("demarshal failed");
2381 if (!_dbus_marshal_double (&str, DBUS_LITTLE_ENDIAN, 3.14))
2382 _dbus_assert_not_reached ("could not marshal double value");
2383 if (!_dbus_demarshal_double (&str, DBUS_LITTLE_ENDIAN, pos, &pos) == 3.14)
2384 _dbus_assert_not_reached ("demarshal failed");
2386 /* Marshal signed integers */
2387 if (!_dbus_marshal_int32 (&str, DBUS_BIG_ENDIAN, -12345678))
2388 _dbus_assert_not_reached ("could not marshal signed integer value");
2389 if (!_dbus_demarshal_int32 (&str, DBUS_BIG_ENDIAN, pos, &pos) == -12345678)
2390 _dbus_assert_not_reached ("demarshal failed");
2392 if (!_dbus_marshal_int32 (&str, DBUS_LITTLE_ENDIAN, -12345678))
2393 _dbus_assert_not_reached ("could not marshal signed integer value");
2394 if (!_dbus_demarshal_int32 (&str, DBUS_LITTLE_ENDIAN, pos, &pos) == -12345678)
2395 _dbus_assert_not_reached ("demarshal failed");
2397 /* Marshal unsigned integers */
2398 if (!_dbus_marshal_uint32 (&str, DBUS_BIG_ENDIAN, 0x12345678))
2399 _dbus_assert_not_reached ("could not marshal signed integer value");
2400 if (!_dbus_demarshal_uint32 (&str, DBUS_BIG_ENDIAN, pos, &pos) == 0x12345678)
2401 _dbus_assert_not_reached ("demarshal failed");
2403 if (!_dbus_marshal_uint32 (&str, DBUS_LITTLE_ENDIAN, 0x12345678))
2404 _dbus_assert_not_reached ("could not marshal signed integer value");
2405 if (!_dbus_demarshal_uint32 (&str, DBUS_LITTLE_ENDIAN, pos, &pos) == 0x12345678)
2406 _dbus_assert_not_reached ("demarshal failed");
2408 #ifdef DBUS_HAVE_INT64
2409 /* Marshal signed integers */
2410 if (!_dbus_marshal_int64 (&str, DBUS_BIG_ENDIAN, DBUS_INT64_CONSTANT (-0x123456789abc7)))
2411 _dbus_assert_not_reached ("could not marshal signed integer value");
2412 if (!_dbus_demarshal_int64 (&str, DBUS_BIG_ENDIAN, pos, &pos) == DBUS_INT64_CONSTANT (-0x123456789abc7))
2413 _dbus_assert_not_reached ("demarshal failed");
2415 if (!_dbus_marshal_int64 (&str, DBUS_LITTLE_ENDIAN, DBUS_INT64_CONSTANT (-0x123456789abc7)))
2416 _dbus_assert_not_reached ("could not marshal signed integer value");
2417 if (!_dbus_demarshal_int64 (&str, DBUS_LITTLE_ENDIAN, pos, &pos) == DBUS_INT64_CONSTANT (-0x123456789abc7))
2418 _dbus_assert_not_reached ("demarshal failed");
2420 /* Marshal unsigned integers */
2421 if (!_dbus_marshal_uint64 (&str, DBUS_BIG_ENDIAN, DBUS_UINT64_CONSTANT (0x123456789abc7)))
2422 _dbus_assert_not_reached ("could not marshal signed integer value");
2423 if (!(_dbus_demarshal_uint64 (&str, DBUS_BIG_ENDIAN, pos, &pos) == DBUS_UINT64_CONSTANT (0x123456789abc7)))
2424 _dbus_assert_not_reached ("demarshal failed");
2426 if (!_dbus_marshal_uint64 (&str, DBUS_LITTLE_ENDIAN, DBUS_UINT64_CONSTANT (0x123456789abc7)))
2427 _dbus_assert_not_reached ("could not marshal signed integer value");
2428 if (!(_dbus_demarshal_uint64 (&str, DBUS_LITTLE_ENDIAN, pos, &pos) == DBUS_UINT64_CONSTANT (0x123456789abc7)))
2429 _dbus_assert_not_reached ("demarshal failed");
2430 #endif /* DBUS_HAVE_INT64 */
2432 /* Marshal strings */
2433 tmp1 = "This is the dbus test string";
2434 if (!_dbus_marshal_string (&str, DBUS_BIG_ENDIAN, tmp1))
2435 _dbus_assert_not_reached ("could not marshal string");
2436 tmp2 = _dbus_demarshal_string (&str, DBUS_BIG_ENDIAN, pos, &pos);
2437 if (!strcmp (tmp1, tmp2) == 0)
2438 _dbus_assert_not_reached ("demarshal failed");
2441 tmp1 = "This is the dbus test string";
2442 if (!_dbus_marshal_string (&str, DBUS_LITTLE_ENDIAN, tmp1))
2443 _dbus_assert_not_reached ("could not marshal string");
2444 tmp2 = _dbus_demarshal_string (&str, DBUS_LITTLE_ENDIAN, pos, &pos);
2445 if (!strcmp (tmp1, tmp2) == 0)
2446 _dbus_assert_not_reached ("demarshal failed");
2449 /* Marshal signed integer arrays */
2450 if (!_dbus_marshal_int32_array (&str, DBUS_BIG_ENDIAN, array1, 3))
2451 _dbus_assert_not_reached ("could not marshal integer array");
2452 if (!_dbus_demarshal_int32_array (&str, DBUS_BIG_ENDIAN, pos, &pos, &array2, &len))
2453 _dbus_assert_not_reached ("could not demarshal integer array");
2456 _dbus_assert_not_reached ("Signed integer array lengths differ!\n");
2459 #ifdef DBUS_HAVE_INT64
2460 /* Marshal 64-bit signed integer arrays */
2461 if (!_dbus_marshal_int64_array (&str, DBUS_BIG_ENDIAN, array3, 3))
2462 _dbus_assert_not_reached ("could not marshal integer array");
2463 if (!_dbus_demarshal_int64_array (&str, DBUS_BIG_ENDIAN, pos, &pos, &array4, &len))
2464 _dbus_assert_not_reached ("could not demarshal integer array");
2467 _dbus_assert_not_reached ("Signed integer array lengths differ!\n");
2470 /* set/pack 64-bit integers */
2471 _dbus_string_set_length (&str, 8);
2474 _dbus_marshal_set_int64 (&str, DBUS_LITTLE_ENDIAN,
2475 0, DBUS_INT64_CONSTANT (-0x123456789abc7));
2477 _dbus_assert (DBUS_INT64_CONSTANT (-0x123456789abc7) ==
2478 _dbus_unpack_int64 (DBUS_LITTLE_ENDIAN,
2479 _dbus_string_get_const_data (&str)));
2482 _dbus_marshal_set_int64 (&str, DBUS_BIG_ENDIAN,
2483 0, DBUS_INT64_CONSTANT (-0x123456789abc7));
2485 _dbus_assert (DBUS_INT64_CONSTANT (-0x123456789abc7) ==
2486 _dbus_unpack_int64 (DBUS_BIG_ENDIAN,
2487 _dbus_string_get_const_data (&str)));
2489 /* signed little pack */
2490 _dbus_pack_int64 (DBUS_INT64_CONSTANT (-0x123456789abc7),
2492 _dbus_string_get_data (&str));
2494 _dbus_assert (DBUS_INT64_CONSTANT (-0x123456789abc7) ==
2495 _dbus_unpack_int64 (DBUS_LITTLE_ENDIAN,
2496 _dbus_string_get_const_data (&str)));
2498 /* signed big pack */
2499 _dbus_pack_int64 (DBUS_INT64_CONSTANT (-0x123456789abc7),
2501 _dbus_string_get_data (&str));
2503 _dbus_assert (DBUS_INT64_CONSTANT (-0x123456789abc7) ==
2504 _dbus_unpack_int64 (DBUS_BIG_ENDIAN,
2505 _dbus_string_get_const_data (&str)));
2507 /* unsigned little */
2508 _dbus_marshal_set_uint64 (&str, DBUS_LITTLE_ENDIAN,
2509 0, DBUS_UINT64_CONSTANT (0x123456789abc7));
2511 _dbus_assert (DBUS_UINT64_CONSTANT (0x123456789abc7) ==
2512 _dbus_unpack_uint64 (DBUS_LITTLE_ENDIAN,
2513 _dbus_string_get_const_data (&str)));
2516 _dbus_marshal_set_uint64 (&str, DBUS_BIG_ENDIAN,
2517 0, DBUS_UINT64_CONSTANT (0x123456789abc7));
2519 _dbus_assert (DBUS_UINT64_CONSTANT (0x123456789abc7) ==
2520 _dbus_unpack_uint64 (DBUS_BIG_ENDIAN,
2521 _dbus_string_get_const_data (&str)));
2523 /* unsigned little pack */
2524 _dbus_pack_uint64 (DBUS_UINT64_CONSTANT (0x123456789abc7),
2526 _dbus_string_get_data (&str));
2528 _dbus_assert (DBUS_UINT64_CONSTANT (0x123456789abc7) ==
2529 _dbus_unpack_uint64 (DBUS_LITTLE_ENDIAN,
2530 _dbus_string_get_const_data (&str)));
2532 /* unsigned big pack */
2533 _dbus_pack_uint64 (DBUS_UINT64_CONSTANT (0x123456789abc7),
2535 _dbus_string_get_data (&str));
2537 _dbus_assert (DBUS_UINT64_CONSTANT (0x123456789abc7) ==
2538 _dbus_unpack_uint64 (DBUS_BIG_ENDIAN,
2539 _dbus_string_get_const_data (&str)));
2543 /* set/pack 32-bit integers */
2544 _dbus_string_set_length (&str, 4);
2547 _dbus_marshal_set_int32 (&str, DBUS_LITTLE_ENDIAN,
2550 _dbus_assert (-0x123456 ==
2551 _dbus_unpack_int32 (DBUS_LITTLE_ENDIAN,
2552 _dbus_string_get_const_data (&str)));
2555 _dbus_marshal_set_int32 (&str, DBUS_BIG_ENDIAN,
2558 _dbus_assert (-0x123456 ==
2559 _dbus_unpack_int32 (DBUS_BIG_ENDIAN,
2560 _dbus_string_get_const_data (&str)));
2562 /* signed little pack */
2563 _dbus_pack_int32 (-0x123456,
2565 _dbus_string_get_data (&str));
2567 _dbus_assert (-0x123456 ==
2568 _dbus_unpack_int32 (DBUS_LITTLE_ENDIAN,
2569 _dbus_string_get_const_data (&str)));
2571 /* signed big pack */
2572 _dbus_pack_int32 (-0x123456,
2574 _dbus_string_get_data (&str));
2576 _dbus_assert (-0x123456 ==
2577 _dbus_unpack_int32 (DBUS_BIG_ENDIAN,
2578 _dbus_string_get_const_data (&str)));
2580 /* unsigned little */
2581 _dbus_marshal_set_uint32 (&str, DBUS_LITTLE_ENDIAN,
2584 _dbus_assert (0x123456 ==
2585 _dbus_unpack_uint32 (DBUS_LITTLE_ENDIAN,
2586 _dbus_string_get_const_data (&str)));
2589 _dbus_marshal_set_uint32 (&str, DBUS_BIG_ENDIAN,
2592 _dbus_assert (0x123456 ==
2593 _dbus_unpack_uint32 (DBUS_BIG_ENDIAN,
2594 _dbus_string_get_const_data (&str)));
2596 /* unsigned little pack */
2597 _dbus_pack_uint32 (0x123456,
2599 _dbus_string_get_data (&str));
2601 _dbus_assert (0x123456 ==
2602 _dbus_unpack_uint32 (DBUS_LITTLE_ENDIAN,
2603 _dbus_string_get_const_data (&str)));
2605 /* unsigned big pack */
2606 _dbus_pack_uint32 (0x123456,
2608 _dbus_string_get_data (&str));
2610 _dbus_assert (0x123456 ==
2611 _dbus_unpack_uint32 (DBUS_BIG_ENDIAN,
2612 _dbus_string_get_const_data (&str)));
2617 _dbus_string_set_length (&str, 0);
2619 _dbus_marshal_string (&str, DBUS_LITTLE_ENDIAN,
2622 s = _dbus_demarshal_string (&str, DBUS_LITTLE_ENDIAN, 0, NULL);
2623 _dbus_assert (strcmp (s, "Hello world") == 0);
2626 _dbus_string_init_const (&t, "Hello world foo");
2628 _dbus_marshal_set_string (&str, DBUS_LITTLE_ENDIAN, 0,
2629 &t, _dbus_string_get_length (&t));
2631 s = _dbus_demarshal_string (&str, DBUS_LITTLE_ENDIAN, 0, NULL);
2632 _dbus_assert (strcmp (s, "Hello world foo") == 0);
2635 _dbus_string_init_const (&t, "Hello");
2637 _dbus_marshal_set_string (&str, DBUS_LITTLE_ENDIAN, 0,
2638 &t, _dbus_string_get_length (&t));
2640 s = _dbus_demarshal_string (&str, DBUS_LITTLE_ENDIAN, 0, NULL);
2641 _dbus_assert (strcmp (s, "Hello") == 0);
2644 /* Strings (big endian) */
2646 _dbus_string_set_length (&str, 0);
2648 _dbus_marshal_string (&str, DBUS_BIG_ENDIAN,
2651 s = _dbus_demarshal_string (&str, DBUS_BIG_ENDIAN, 0, NULL);
2652 _dbus_assert (strcmp (s, "Hello world") == 0);
2655 _dbus_string_init_const (&t, "Hello world foo");
2657 _dbus_marshal_set_string (&str, DBUS_BIG_ENDIAN, 0,
2658 &t, _dbus_string_get_length (&t));
2660 s = _dbus_demarshal_string (&str, DBUS_BIG_ENDIAN, 0, NULL);
2661 _dbus_assert (strcmp (s, "Hello world foo") == 0);
2664 _dbus_string_init_const (&t, "Hello");
2666 _dbus_marshal_set_string (&str, DBUS_BIG_ENDIAN, 0,
2667 &t, _dbus_string_get_length (&t));
2669 s = _dbus_demarshal_string (&str, DBUS_BIG_ENDIAN, 0, NULL);
2670 _dbus_assert (strcmp (s, "Hello") == 0);
2673 _dbus_string_free (&str);
2678 #endif /* DBUS_BUILD_TESTS */