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tvbuff.h
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1
21#ifndef __TVBUFF_H__
22#define __TVBUFF_H__
23
24#include <ws_symbol_export.h>
25#include <ws_attributes.h>
26
27#include <epan/guid-utils.h>
28
29#include <wsutil/inet_addr.h>
30#include <wsutil/nstime.h>
31#include "wsutil/ws_mempbrk.h"
32
33#ifdef __cplusplus
34extern "C" {
35#endif /* __cplusplus */
36
48struct tvbuff;
49typedef struct tvbuff tvbuff_t;
50
104typedef void (*tvbuff_free_cb_t)(void*);
105
120WS_DLL_PUBLIC tvbuff_t *tvb_new_octet_aligned(tvbuff_t *tvb,
121 uint32_t bit_offset, uint32_t no_of_bits);
122
134WS_DLL_PUBLIC tvbuff_t *tvb_new_octet_right_aligned(tvbuff_t *tvb,
135 uint32_t bit_offset, uint32_t no_of_bits);
136
150WS_DLL_PUBLIC tvbuff_t *tvb_new_chain(tvbuff_t *parent, tvbuff_t *backing);
151
158WS_DLL_PUBLIC tvbuff_t *tvb_clone(tvbuff_t *tvb);
159
174WS_DLL_PUBLIC tvbuff_t *tvb_clone_offset_len(tvbuff_t *tvb, unsigned offset,
175 unsigned len);
176
185WS_DLL_PUBLIC void tvb_free(tvbuff_t *tvb);
186
195WS_DLL_PUBLIC void tvb_free_chain(tvbuff_t *tvb);
196
206WS_DLL_PUBLIC void tvb_set_free_cb(tvbuff_t *tvb, const tvbuff_free_cb_t func);
207
225WS_DLL_PUBLIC void tvb_set_child_real_data_tvbuff(tvbuff_t *parent,
226 tvbuff_t *child);
227
241WS_DLL_PUBLIC tvbuff_t *tvb_new_child_real_data(tvbuff_t *parent,
242 const uint8_t *data, const unsigned length, const unsigned reported_length);
243
257WS_DLL_PUBLIC tvbuff_t *tvb_new_real_data(const uint8_t *data,
258 const unsigned length, const unsigned reported_length);
259
291WS_DLL_PUBLIC tvbuff_t *tvb_new_subset_length_caplen(tvbuff_t *backing,
292 const unsigned backing_offset, const unsigned backing_length,
293 const unsigned reported_length);
294
309WS_DLL_PUBLIC tvbuff_t *tvb_new_subset_length(tvbuff_t *backing,
310 const unsigned backing_offset, const unsigned reported_length);
311
323WS_DLL_PUBLIC tvbuff_t *tvb_new_subset_remaining(tvbuff_t *backing,
324 const unsigned backing_offset);
325
335WS_DLL_PUBLIC void tvb_composite_append(tvbuff_t *tvb, tvbuff_t *member);
336
346WS_DLL_PUBLIC void tvb_composite_prepend(tvbuff_t *tvb, tvbuff_t *member);
347
353WS_DLL_PUBLIC tvbuff_t *tvb_new_composite(void);
354
355
364WS_DLL_PUBLIC void tvb_composite_finalize(tvbuff_t *tvb);
365
366
377WS_DLL_PUBLIC unsigned tvb_captured_length(const tvbuff_t *tvb);
378
391WS_DLL_PUBLIC unsigned tvb_captured_length_remaining(const tvbuff_t *tvb, const unsigned offset);
392
409WS_DLL_PUBLIC unsigned tvb_ensure_captured_length_remaining(const tvbuff_t *tvb,
410 const unsigned offset);
411
426WS_DLL_PUBLIC bool tvb_bytes_exist(const tvbuff_t *tvb, const unsigned offset,
427 const int length);
428
441/* coverity[ +taint_sanitize : arg-1 ] */
442/* coverity[ +taint_sanitize : arg-2 ] */
443WS_DLL_PUBLIC void tvb_ensure_bytes_exist64(const tvbuff_t *tvb,
444 const unsigned offset, const uint64_t length);
445
457/* coverity[ +taint_sanitize : arg-1 ] */
458/* coverity[ +taint_sanitize : arg-2 ] */
459WS_DLL_PUBLIC void tvb_ensure_bytes_exist(const tvbuff_t *tvb,
460 const unsigned offset, const int length);
461
470WS_DLL_PUBLIC bool tvb_offset_exists(const tvbuff_t *tvb,
471 const unsigned offset);
472
480WS_DLL_PUBLIC unsigned tvb_reported_length(const tvbuff_t *tvb);
481
494WS_DLL_PUBLIC unsigned tvb_reported_length_remaining(const tvbuff_t *tvb,
495 const unsigned offset);
496
511WS_DLL_PUBLIC unsigned tvb_ensure_reported_length_remaining(const tvbuff_t *tvb,
512 const unsigned offset);
513
526WS_DLL_PUBLIC void tvb_set_reported_length(tvbuff_t *tvb, const unsigned reported_length);
527
528
538WS_DLL_PUBLIC void tvb_fix_reported_length(tvbuff_t *tvb);
539
557WS_DLL_PUBLIC unsigned tvb_offset_from_real_beginning(const tvbuff_t *tvb);
558
575WS_DLL_PUBLIC unsigned tvb_raw_offset(tvbuff_t *tvb);
576
586WS_DLL_PUBLIC void tvb_set_fragment(tvbuff_t *tvb);
587
599WS_DLL_PUBLIC struct tvbuff *tvb_get_ds_tvb(tvbuff_t *tvb);
600
601
602/************** START OF ACCESSORS ****************/
603/* All accessors will throw an exception if appropriate */
604
616WS_DLL_PUBLIC uint8_t tvb_get_uint8(tvbuff_t *tvb, const unsigned offset);
617
631WS_DEPRECATED_X("Use tvb_get_uint8 instead")
632static inline uint8_t tvb_get_guint8(tvbuff_t *tvb, const unsigned offset) {
633 return tvb_get_uint8(tvb, offset);
634}
635
647WS_DLL_PUBLIC int8_t tvb_get_int8(tvbuff_t *tvb, const unsigned offset);
648
662WS_DEPRECATED_X("Use tvb_get_int8 instead")
663static inline int8_t tvb_get_gint8(tvbuff_t *tvb, const unsigned offset) { return tvb_get_int8(tvb, offset); }
664
681WS_DLL_PUBLIC uint16_t tvb_get_ntohs(tvbuff_t *tvb, const unsigned offset);
682
699WS_DLL_PUBLIC int16_t tvb_get_ntohis(tvbuff_t *tvb, const unsigned offset);
700
717WS_DLL_PUBLIC uint32_t tvb_get_ntoh24(tvbuff_t *tvb, const unsigned offset);
718
735WS_DLL_PUBLIC int32_t tvb_get_ntohi24(tvbuff_t *tvb, const unsigned offset);
736
753WS_DLL_PUBLIC uint32_t tvb_get_ntohl(tvbuff_t *tvb, const unsigned offset);
754
771WS_DLL_PUBLIC int32_t tvb_get_ntohil(tvbuff_t *tvb, const unsigned offset);
772
789WS_DLL_PUBLIC uint64_t tvb_get_ntoh40(tvbuff_t *tvb, const unsigned offset);
790
807WS_DLL_PUBLIC int64_t tvb_get_ntohi40(tvbuff_t *tvb, const unsigned offset);
808
825WS_DLL_PUBLIC uint64_t tvb_get_ntoh48(tvbuff_t *tvb, const unsigned offset);
826
843WS_DLL_PUBLIC int64_t tvb_get_ntohi48(tvbuff_t *tvb, const unsigned offset);
844
861WS_DLL_PUBLIC uint64_t tvb_get_ntoh56(tvbuff_t *tvb, const unsigned offset);
862
879WS_DLL_PUBLIC int64_t tvb_get_ntohi56(tvbuff_t *tvb, const unsigned offset);
880
897WS_DLL_PUBLIC uint64_t tvb_get_ntoh64(tvbuff_t *tvb, const unsigned offset);
898
915WS_DLL_PUBLIC int64_t tvb_get_ntohi64(tvbuff_t *tvb, const unsigned offset);
916
933WS_DLL_PUBLIC float tvb_get_ntohieee_float(tvbuff_t *tvb, const unsigned offset);
934
951WS_DLL_PUBLIC double tvb_get_ntohieee_double(tvbuff_t *tvb,
952 const unsigned offset);
953
970WS_DLL_PUBLIC uint16_t tvb_get_letohs(tvbuff_t *tvb, const unsigned offset);
971
988WS_DLL_PUBLIC int16_t tvb_get_letohis(tvbuff_t *tvb, const unsigned offset);
989
1006WS_DLL_PUBLIC uint32_t tvb_get_letoh24(tvbuff_t *tvb, const unsigned offset);
1007
1024WS_DLL_PUBLIC int32_t tvb_get_letohi24(tvbuff_t *tvb, const unsigned offset);
1025
1042WS_DLL_PUBLIC uint32_t tvb_get_letohl(tvbuff_t *tvb, const unsigned offset);
1043
1060WS_DLL_PUBLIC int32_t tvb_get_letohil(tvbuff_t *tvb, const unsigned offset);
1061
1078WS_DLL_PUBLIC uint64_t tvb_get_letoh40(tvbuff_t *tvb, const unsigned offset);
1079
1096WS_DLL_PUBLIC int64_t tvb_get_letohi40(tvbuff_t *tvb, const unsigned offset);
1097
1114WS_DLL_PUBLIC uint64_t tvb_get_letoh48(tvbuff_t *tvb, const unsigned offset);
1115
1132WS_DLL_PUBLIC int64_t tvb_get_letohi48(tvbuff_t *tvb, const unsigned offset);
1133
1150WS_DLL_PUBLIC uint64_t tvb_get_letoh56(tvbuff_t *tvb, const unsigned offset);
1151
1168WS_DLL_PUBLIC int64_t tvb_get_letohi56(tvbuff_t *tvb, const unsigned offset);
1169
1186WS_DLL_PUBLIC uint64_t tvb_get_letoh64(tvbuff_t *tvb, const unsigned offset);
1187
1204WS_DLL_PUBLIC int64_t tvb_get_letohi64(tvbuff_t *tvb, const unsigned offset);
1205
1222WS_DLL_PUBLIC float tvb_get_letohieee_float(tvbuff_t *tvb, const unsigned offset);
1223
1240WS_DLL_PUBLIC double tvb_get_letohieee_double(tvbuff_t *tvb,
1241 const unsigned offset);
1242
1258WS_DLL_PUBLIC uint16_t tvb_get_uint16(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1259
1274WS_DEPRECATED_X("Use tvb_get_uint16 instead")
1275static inline uint16_t tvb_get_guint16(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) {
1276 return tvb_get_uint16(tvb, offset, encoding);
1277}
1278
1294WS_DLL_PUBLIC int16_t tvb_get_int16(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1295
1310WS_DEPRECATED_X("Use tvb_get_int16 instead")
1311static inline int16_t tvb_get_gint16(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_int16(tvb, offset, encoding); }
1312
1328WS_DLL_PUBLIC uint32_t tvb_get_uint24(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1329
1344WS_DEPRECATED_X("Use tvb_get_uint24 instead")
1345static inline uint32_t tvb_get_guint24(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_uint24(tvb, offset, encoding); }
1346
1362WS_DLL_PUBLIC int32_t tvb_get_int24(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1363
1378WS_DEPRECATED_X("Use tvb_get_int24 instead")
1379static inline int32_t tvb_get_gint24(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_int24(tvb, offset, encoding); }
1380
1396WS_DLL_PUBLIC uint32_t tvb_get_uint32(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1397
1412WS_DEPRECATED_X("Use tvb_get_uint32 instead")
1413static inline uint32_t tvb_get_guint32(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_uint32(tvb, offset, encoding); }
1414
1430WS_DLL_PUBLIC int32_t tvb_get_int32(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1431
1446WS_DEPRECATED_X("Use tvb_get_int32 instead")
1447static inline int32_t tvb_get_gint32(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_int32(tvb, offset, encoding); }
1448
1464WS_DLL_PUBLIC uint64_t tvb_get_uint40(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1465
1480WS_DEPRECATED_X("Use tvb_get_uint40 instead")
1481static inline uint64_t tvb_get_guint40(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_uint40(tvb, offset, encoding); }
1482
1498WS_DLL_PUBLIC int64_t tvb_get_int40(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1499
1514WS_DEPRECATED_X("Use tvb_get_int40 instead")
1515static inline int64_t tvb_get_gint40(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_int40(tvb, offset, encoding); }
1516
1532WS_DLL_PUBLIC uint64_t tvb_get_uint48(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1533
1548WS_DEPRECATED_X("Use tvb_get_uint48 instead")
1549static inline uint64_t tvb_get_guint48(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_uint48(tvb, offset, encoding); }
1550
1566WS_DLL_PUBLIC int64_t tvb_get_int48(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1567
1582WS_DEPRECATED_X("Use tvb_get_int48 instead")
1583static inline int64_t tvb_get_gint48(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_int48(tvb, offset, encoding); }
1584
1600WS_DLL_PUBLIC uint64_t tvb_get_uint56(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1601
1616WS_DEPRECATED_X("Use tvb_get_uint56 instead")
1617static inline uint64_t tvb_get_guint56(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_uint56(tvb, offset, encoding); }
1618
1634WS_DLL_PUBLIC int64_t tvb_get_int56(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1635
1650WS_DEPRECATED_X("Use tvb_get_int56 instead")
1651static inline int64_t tvb_get_gint56(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_int56(tvb, offset, encoding); }
1652
1670WS_DLL_PUBLIC uint64_t tvb_get_uint64(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1671
1690WS_DLL_PUBLIC uint64_t tvb_get_uint64_with_length(tvbuff_t *tvb, const unsigned offset, unsigned length, const unsigned encoding);
1691
1706WS_DEPRECATED_X("Use tvb_get_uint64 instead")
1707static inline uint64_t tvb_get_guint64(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) {return tvb_get_uint64(tvb, offset, encoding); }
1708
1724WS_DLL_PUBLIC int64_t tvb_get_int64(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1725
1740WS_DEPRECATED_X("Use tvb_get_int64 instead")
1741static inline int64_t tvb_get_gint64(tvbuff_t *tvb, const unsigned offset, const unsigned encoding) { return tvb_get_int64(tvb, offset, encoding); }
1742
1760WS_DLL_PUBLIC float tvb_get_ieee_float(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1761
1779WS_DLL_PUBLIC double tvb_get_ieee_double(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
1780
1798#if G_BYTE_ORDER == G_LITTLE_ENDIAN
1799#define tvb_get_h_uint16 tvb_get_letohs
1800#define tvb_get_h_uint32 tvb_get_letohl
1801#elif G_BYTE_ORDER == G_BIG_ENDIAN
1802#define tvb_get_h_uint16 tvb_get_ntohs
1803#define tvb_get_h_uint32 tvb_get_ntohl
1804#else
1805#error "Unsupported byte order"
1806#endif
1807
1836WS_DLL_PUBLIC
1837nstime_t* tvb_get_string_time(tvbuff_t *tvb, const unsigned offset, const unsigned length,
1838 const unsigned encoding, nstime_t* ns, unsigned *endoff);
1839
1861WS_DLL_PUBLIC
1862GByteArray* tvb_get_string_bytes(tvbuff_t *tvb, const unsigned offset, const unsigned length,
1863 const unsigned encoding, GByteArray* bytes, unsigned *endoff);
1864
1888WS_DLL_PUBLIC
1889bool tvb_get_string_uint64(tvbuff_t *tvb, const unsigned offset, const unsigned length,
1890 const unsigned encoding, uint64_t* value, unsigned *endoff);
1891
1915WS_DLL_PUBLIC
1916bool tvb_get_string_uint(tvbuff_t *tvb, const unsigned offset, const unsigned length,
1917 const unsigned encoding, uint32_t* value, unsigned *endoff);
1918
1942WS_DLL_PUBLIC
1943bool tvb_get_string_uint16(tvbuff_t *tvb, const unsigned offset, const unsigned length,
1944 const unsigned encoding, uint16_t* value, unsigned *endoff);
1945
1969WS_DLL_PUBLIC
1970bool tvb_get_string_uint8(tvbuff_t *tvb, const unsigned offset, const unsigned length,
1971 const unsigned encoding, uint8_t* value, unsigned *endoff);
1972
1990WS_DLL_PUBLIC uint32_t tvb_get_ipv4(tvbuff_t *tvb, const unsigned offset);
1991
2008WS_DLL_PUBLIC void tvb_get_ipv6(tvbuff_t *tvb, const unsigned offset, ws_in6_addr *addr);
2009
2022WS_DLL_PUBLIC int tvb_get_ipv4_addr_with_prefix_len(tvbuff_t *tvb, const unsigned offset,
2023 ws_in4_addr *addr, uint32_t prefix_len);
2024
2038WS_DLL_PUBLIC int tvb_get_ipv6_addr_with_prefix_len(tvbuff_t *tvb, const unsigned offset,
2039 ws_in6_addr *addr, uint32_t prefix_len);
2040
2052WS_DLL_PUBLIC void tvb_get_ntohguid(tvbuff_t *tvb, const unsigned offset, e_guid_t *guid);
2053
2065WS_DLL_PUBLIC void tvb_get_letohguid(tvbuff_t *tvb, const unsigned offset, e_guid_t *guid);
2066
2080WS_DLL_PUBLIC void tvb_get_guid(tvbuff_t *tvb, const unsigned offset, e_guid_t *guid, const unsigned encoding);
2081
2101WS_DLL_PUBLIC uint8_t* tvb_get_bits_array(wmem_allocator_t *scope, tvbuff_t *tvb,
2102 const unsigned offset, size_t length, size_t *data_length, const unsigned encoding);
2103
2123WS_DLL_PUBLIC uint8_t tvb_get_bits8(tvbuff_t *tvb, unsigned bit_offset,
2124 const unsigned no_of_bits);
2125
2147WS_DLL_PUBLIC uint16_t tvb_get_bits16(tvbuff_t *tvb, unsigned bit_offset,
2148 const unsigned no_of_bits, const unsigned encoding);
2149
2171WS_DLL_PUBLIC uint32_t tvb_get_bits32(tvbuff_t *tvb, unsigned bit_offset,
2172 const unsigned no_of_bits, const unsigned encoding);
2173
2195WS_DLL_PUBLIC uint64_t tvb_get_bits64(tvbuff_t *tvb, unsigned bit_offset,
2196 const unsigned no_of_bits, const unsigned encoding);
2197
2215WS_DLL_PUBLIC
2216WS_DEPRECATED_X("Use tvb_get_bits32() instead")
2217uint32_t tvb_get_bits(tvbuff_t *tvb, const unsigned bit_offset,
2218 const unsigned no_of_bits, const unsigned encoding);
2219
2248WS_DLL_PUBLIC void *tvb_memcpy(tvbuff_t *tvb, void *target, const unsigned offset,
2249 size_t length);
2250
2271WS_DLL_PUBLIC void *tvb_memdup(wmem_allocator_t *scope, tvbuff_t *tvb,
2272 const unsigned offset, size_t length);
2273
2309WS_DLL_PUBLIC const uint8_t *tvb_get_ptr(tvbuff_t *tvb, const unsigned offset,
2310 const unsigned length);
2311
2332WS_DLL_PUBLIC bool tvb_find_uint8_remaining(tvbuff_t *tvb, const unsigned offset,
2333 const uint8_t needle, unsigned *found_offset);
2334
2357WS_DLL_PUBLIC bool tvb_find_uint8_length(tvbuff_t *tvb, const unsigned offset,
2358 const unsigned maxlength, const uint8_t needle, unsigned *found_offset);
2359
2385WS_DLL_PUBLIC bool tvb_find_uint16_remaining(tvbuff_t *tvb, const unsigned offset,
2386 const uint16_t needle, unsigned *found_offset);
2387
2415WS_DLL_PUBLIC bool tvb_find_uint16_length(tvbuff_t *tvb, const unsigned offset,
2416 const unsigned maxlength, const uint16_t needle, unsigned *found_offset);
2417
2440WS_DLL_PUBLIC bool tvb_ws_mempbrk_uint8_remaining(tvbuff_t *tvb, const unsigned offset,
2441 const ws_mempbrk_pattern* pattern, unsigned *found_offset, unsigned char *found_needle);
2442
2468WS_DLL_PUBLIC bool tvb_ws_mempbrk_uint8_length(tvbuff_t *tvb, const unsigned offset,
2469 const unsigned maxlength, const ws_mempbrk_pattern* pattern,
2470 unsigned *found_offset, unsigned char *found_needle);
2471
2489WS_DLL_PUBLIC unsigned tvb_strsize(tvbuff_t *tvb, const unsigned offset);
2490
2507WS_DLL_PUBLIC unsigned tvb_unicode_strsize(tvbuff_t *tvb, const unsigned offset);
2508
2532WS_DLL_PUBLIC unsigned tvb_strsize_enc(tvbuff_t *tvb, const unsigned offset, const unsigned encoding);
2533
2551WS_DLL_PUBLIC int tvb_strnlen(tvbuff_t *tvb, const unsigned offset,
2552 const unsigned maxlength);
2553
2570WS_DLL_PUBLIC char *tvb_format_text(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset,
2571 const unsigned size);
2572
2590WS_DLL_PUBLIC char *tvb_format_text_wsp(wmem_allocator_t* allocator, tvbuff_t *tvb, const unsigned offset,
2591 const unsigned size);
2592
2610WS_DLL_PUBLIC char *tvb_format_stringzpad(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset,
2611 const unsigned size);
2612
2631WS_DLL_PUBLIC char *tvb_format_stringzpad_wsp(wmem_allocator_t* allocator, tvbuff_t *tvb, const unsigned offset,
2632 const unsigned size);
2633
2655WS_DLL_PUBLIC uint8_t *tvb_get_string_enc(wmem_allocator_t *scope,
2656 tvbuff_t *tvb, const unsigned offset, const unsigned length, const unsigned encoding);
2657
2681WS_DLL_PUBLIC char *tvb_get_ts_23_038_7bits_string_packed(wmem_allocator_t *scope,
2682 tvbuff_t *tvb, const unsigned bit_offset, unsigned no_of_chars);
2683
2707WS_DLL_PUBLIC char *tvb_get_ts_23_038_7bits_string_unpacked(wmem_allocator_t *scope,
2708 tvbuff_t *tvb, const unsigned offset, unsigned length);
2709
2733WS_DLL_PUBLIC char *tvb_get_etsi_ts_102_221_annex_a_string(wmem_allocator_t *scope,
2734 tvbuff_t *tvb, const unsigned offset, unsigned length);
2735
2759WS_DLL_PUBLIC char *tvb_get_ascii_7bits_string(wmem_allocator_t *scope,
2760 tvbuff_t *tvb, const unsigned bit_offset, unsigned no_of_chars);
2761
2786WS_DLL_PUBLIC uint8_t *tvb_get_stringzpad(wmem_allocator_t *scope,
2787 tvbuff_t *tvb, const unsigned offset, const unsigned length, const unsigned encoding);
2788
2813WS_DLL_PUBLIC uint8_t *tvb_get_stringz_enc(wmem_allocator_t *scope,
2814 tvbuff_t *tvb, const unsigned offset, unsigned *lengthp, const unsigned encoding);
2815
2846WS_DLL_PUBLIC
2847WS_DEPRECATED_X("Use APIs that return a valid UTF-8 string instead")
2848const uint8_t *tvb_get_const_stringz(tvbuff_t *tvb,
2849 const unsigned offset, unsigned *lengthp);
2850
2875WS_DLL_PUBLIC unsigned tvb_get_raw_bytes_as_stringz(tvbuff_t *tvb, const unsigned offset,
2876 const unsigned bufsize, uint8_t *buffer);
2877
2895WS_DLL_PUBLIC unsigned tvb_get_raw_bytes_as_string(tvbuff_t *tvb, const unsigned offset, char *buffer, size_t bufsize);
2896
2910WS_DLL_PUBLIC bool tvb_ascii_isprint(tvbuff_t *tvb, const unsigned offset,
2911 const unsigned length);
2912
2925WS_DLL_PUBLIC bool tvb_ascii_isprint_remaining(tvbuff_t *tvb, const unsigned offset);
2926
2946WS_DLL_PUBLIC bool tvb_utf_8_isprint(tvbuff_t *tvb, const unsigned offset,
2947 const unsigned length);
2948
2966WS_DLL_PUBLIC bool tvb_utf_8_isprint_remaining(tvbuff_t *tvb, const unsigned offset);
2967
2981WS_DLL_PUBLIC bool tvb_ascii_isdigit(tvbuff_t *tvb, const unsigned offset,
2982 const unsigned length);
2983
3021WS_DLL_PUBLIC bool tvb_find_line_end_remaining(tvbuff_t *tvb, const unsigned offset,
3022 unsigned *linelen, unsigned *next_offset);
3023
3053WS_DLL_PUBLIC bool tvb_find_line_end_length(tvbuff_t *tvb, const unsigned offset,
3054 const unsigned maxlength, unsigned *linelen, unsigned *next_offset);
3055
3077WS_DLL_PUBLIC int tvb_find_line_end_unquoted(tvbuff_t *tvb, const unsigned offset,
3078 int len, int *next_offset);
3079
3107WS_DLL_PUBLIC bool tvb_find_line_end_unquoted_remaining(tvbuff_t *tvb, const unsigned offset,
3108 unsigned *linelen, unsigned *next_offset);
3109
3140WS_DLL_PUBLIC bool tvb_find_line_end_unquoted_length(tvbuff_t *tvb, const unsigned offset,
3141 const unsigned maxlength, unsigned *linelen, unsigned *next_offset);
3142
3165WS_DLL_PUBLIC unsigned tvb_skip_wsp(tvbuff_t *tvb, const unsigned offset,
3166 const unsigned maxlength);
3167
3196WS_DLL_PUBLIC unsigned tvb_skip_wsp_return(tvbuff_t *tvb, const unsigned offset);
3197
3215WS_DLL_PUBLIC unsigned tvb_skip_uint8(tvbuff_t *tvb, unsigned offset, const unsigned maxlength, const uint8_t ch);
3216
3238WS_DEPRECATED_X("Use tvb_skip_uint8 instead")
3239static inline unsigned tvb_skip_guint8(tvbuff_t *tvb, unsigned offset, const unsigned maxlength, const uint8_t ch) {
3240 return tvb_skip_uint8(tvb, offset, maxlength, ch);
3241}
3242
3267WS_DLL_PUBLIC int tvb_get_token_len(tvbuff_t *tvb, const unsigned offset, int len, int *next_offset, const bool desegment);
3268
3298WS_DLL_PUBLIC bool tvb_get_token_len_remaining(tvbuff_t *tvb, const unsigned offset, unsigned *tokenlen, unsigned *next_offset);
3299
3327WS_DLL_PUBLIC bool tvb_get_token_len_length(tvbuff_t *tvb, const unsigned offset, unsigned maxlength, unsigned *tokenlen, unsigned *next_offset);
3328
3345WS_DLL_PUBLIC int tvb_strneql(tvbuff_t *tvb, const unsigned offset,
3346 const char *str, const size_t size);
3347
3368WS_DLL_PUBLIC int tvb_strncaseeql(tvbuff_t *tvb, const unsigned offset,
3369 const char *str, const size_t size);
3370
3388WS_DLL_PUBLIC int tvb_memeql(tvbuff_t *tvb, const unsigned offset,
3389 const uint8_t *str, size_t size);
3390
3410WS_DLL_PUBLIC char *tvb_bytes_to_str_punct(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset,
3411 const unsigned len, const char punct);
3412
3433WS_DLL_PUBLIC char *tvb_bytes_to_str(wmem_allocator_t *allocator, tvbuff_t *tvb,
3434 const unsigned offset, const unsigned len);
3435
3450typedef struct dgt_set_t
3451{
3452 const unsigned char out[16];
3453}
3454dgt_set_t;
3455
3483WS_DLL_PUBLIC const char *tvb_bcd_dig_to_str(wmem_allocator_t *scope,
3484 tvbuff_t *tvb, const unsigned offset, const unsigned len, const dgt_set_t *dgt,
3485 bool skip_first);
3486
3514WS_DLL_PUBLIC const char *tvb_bcd_dig_to_str_be(wmem_allocator_t *scope,
3515 tvbuff_t *tvb, const unsigned offset, const unsigned len, const dgt_set_t *dgt,
3516 bool skip_first);
3517
3549WS_DLL_PUBLIC char *tvb_get_bcd_string(wmem_allocator_t *scope, tvbuff_t *tvb,
3550 const unsigned offset, unsigned len, const dgt_set_t *dgt,
3551 bool skip_first, bool odd, bool bigendian);
3552
3568WS_DLL_PUBLIC int tvb_find_tvb(tvbuff_t *haystack_tvb, tvbuff_t *needle_tvb,
3569 const int haystack_offset);
3570
3586WS_DLL_PUBLIC bool tvb_find_tvb_remaining(tvbuff_t *haystack_tvb, tvbuff_t *needle_tvb,
3587 const unsigned haystack_offset, unsigned *found_offset);
3588
3589/* From tvbuff_zlib.c */
3609WS_DEPRECATED_X("Use tvb_uncompress_zlib instead")
3610WS_DLL_PUBLIC tvbuff_t *tvb_uncompress(tvbuff_t *tvb, const unsigned offset,
3611 unsigned comprlen);
3612
3634WS_DLL_PUBLIC tvbuff_t *tvb_uncompress_zlib(tvbuff_t *tvb, const unsigned offset,
3635 unsigned comprlen);
3636
3658WS_DEPRECATED_X("Use tvb_child_uncompress_zlib instead")
3659WS_DLL_PUBLIC tvbuff_t *tvb_child_uncompress(tvbuff_t *parent, tvbuff_t *tvb,
3660 const unsigned offset, unsigned comprlen);
3661
3678WS_DLL_PUBLIC tvbuff_t *tvb_child_uncompress_zlib(tvbuff_t *parent, tvbuff_t *tvb,
3679 const unsigned offset, unsigned comprlen);
3680
3681/* From tvbuff_brotli.c */
3682
3704WS_DLL_PUBLIC tvbuff_t *tvb_uncompress_brotli(tvbuff_t *tvb, const unsigned offset,
3705 unsigned comprlen);
3706
3725WS_DLL_PUBLIC tvbuff_t *tvb_child_uncompress_brotli(tvbuff_t *parent, tvbuff_t *tvb,
3726 const unsigned offset, unsigned comprlen);
3727
3728/* From tvbuff_snappy.c */
3729
3747WS_DLL_PUBLIC tvbuff_t *tvb_uncompress_snappy(tvbuff_t *tvb, const unsigned offset,
3748 unsigned comprlen);
3749
3768WS_DLL_PUBLIC tvbuff_t *tvb_child_uncompress_snappy(tvbuff_t *parent, tvbuff_t *tvb,
3769 const unsigned offset, unsigned comprlen);
3770
3771/* From tvbuff_lz77.c */
3772
3794WS_DLL_PUBLIC tvbuff_t *tvb_uncompress_lz77(tvbuff_t *tvb,
3795 const unsigned offset, unsigned comprlen);
3796
3816WS_DLL_PUBLIC tvbuff_t *tvb_child_uncompress_lz77(tvbuff_t *parent,
3817 tvbuff_t *tvb, const unsigned offset, unsigned comprlen);
3818
3819/* From tvbuff_lz77huff.c */
3820
3842WS_DLL_PUBLIC tvbuff_t *tvb_uncompress_lz77huff(tvbuff_t *tvb,
3843 const unsigned offset, unsigned comprlen);
3844
3864WS_DLL_PUBLIC tvbuff_t *tvb_child_uncompress_lz77huff(tvbuff_t *parent,
3865 tvbuff_t *tvb, const unsigned offset, unsigned comprlen);
3866
3867/* From tvbuff_lznt1.c */
3868
3890WS_DLL_PUBLIC tvbuff_t *tvb_uncompress_lznt1(tvbuff_t *tvb,
3891 const unsigned offset, unsigned comprlen);
3892
3912WS_DLL_PUBLIC tvbuff_t *tvb_child_uncompress_lznt1(tvbuff_t *parent,
3913 tvbuff_t *tvb, const unsigned offset, unsigned comprlen);
3914
3936WS_DLL_PUBLIC tvbuff_t *tvb_uncompress_zstd(tvbuff_t *tvb,
3937 const unsigned offset, unsigned comprlen);
3938
3958WS_DLL_PUBLIC tvbuff_t *tvb_child_uncompress_zstd(tvbuff_t *parent,
3959 tvbuff_t *tvb, const unsigned offset, unsigned comprlen);
3960
3961/* From tvbuff_base64.c */
3962
3977WS_DLL_PUBLIC tvbuff_t* base64_to_tvb(tvbuff_t *parent, const char *base64);
3978
3997WS_DLL_PUBLIC tvbuff_t* base64_tvb_to_new_tvb(tvbuff_t* parent, unsigned offset, unsigned length);
3998
4018WS_DLL_PUBLIC tvbuff_t* base64uri_tvb_to_new_tvb(tvbuff_t* parent, unsigned offset, unsigned length);
4019
4020/* From tvbuff_hpackhuff.c */
4021
4038WS_DLL_PUBLIC wmem_strbuf_t* tvb_get_hpack_huffman_strbuf(wmem_allocator_t *scope,
4039 tvbuff_t *tvb, const unsigned offset, const unsigned len);
4040
4059WS_DLL_PUBLIC tvbuff_t* tvb_child_uncompress_hpack_huff(tvbuff_t *parent,
4060 unsigned offset, unsigned length);
4061
4084WS_DLL_PUBLIC unsigned tvb_get_varint(tvbuff_t *tvb, unsigned offset, unsigned maxlen, uint64_t *value, const unsigned encoding);
4085
4086/************** END OF ACCESSORS ****************/
4087
4088#ifdef __cplusplus
4089}
4090#endif /* __cplusplus */
4091
4092#endif /* __TVBUFF_H__ */
4093
4094/*
4095 * Editor modelines - https://www.wireshark.org/tools/modelines.html
4096 *
4097 * Local variables:
4098 * c-basic-offset: 4
4099 * tab-width: 8
4100 * indent-tabs-mode: nil
4101 * End:
4102 *
4103 * vi: set shiftwidth=4 tabstop=8 expandtab:
4104 * :indentSize=4:tabSize=8:noTabs=true:
4105 */
tvb_ensure_reported_length_remaining
WS_DLL_PUBLIC unsigned tvb_ensure_reported_length_remaining(const tvbuff_t *tvb, const unsigned offset)
Same as tvb_reported_length_remaining but throws an exception if the offset is out of bounds.
Definition tvbuff.c:836
tvb_get_int64
WS_DLL_PUBLIC int64_t tvb_get_int64(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 64-bit signed value from a tvbuff using the specified encoding.
Definition tvbuff.c:1460
tvb_get_int48
WS_DLL_PUBLIC int64_t tvb_get_int48(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 48-bit signed value from a tvbuff using the specified encoding.
Definition tvbuff.c:1366
tvb_find_tvb
WS_DLL_PUBLIC int tvb_find_tvb(tvbuff_t *haystack_tvb, tvbuff_t *needle_tvb, const int haystack_offset)
Search for a sub-tvbuff within another tvbuff starting at a given offset.
Definition tvbuff.c:5307
tvb_skip_wsp
WS_DLL_PUBLIC unsigned tvb_skip_wsp(tvbuff_t *tvb, const unsigned offset, const unsigned maxlength)
Skip ASCII whitespace in a tvbuff and return the offset of the first non-whitespace byte.
Definition tvbuff.c:4968
tvb_get_uint16
WS_DLL_PUBLIC uint16_t tvb_get_uint16(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 16-bit unsigned value from a tvbuff using the specified encoding.
Definition tvbuff.c:1285
tvb_get_ntohieee_float
WS_DLL_PUBLIC float tvb_get_ntohieee_float(tvbuff_t *tvb, const unsigned offset)
Retrieve a 32-bit IEEE float in network byte order.
Definition tvbuff.c:1641
tvb_child_uncompress_lz77
WS_DLL_PUBLIC tvbuff_t * tvb_child_uncompress_lz77(tvbuff_t *parent, tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Microsoft Plain LZ77-compressed data from a tvbuff and attach the result to a parent tvbuf...
Definition tvbuff_lz77.c:160
tvb_fix_reported_length
WS_DLL_PUBLIC void tvb_fix_reported_length(tvbuff_t *tvb)
Repair a tvbuff when captured length exceeds reported length.
Definition tvbuff.c:877
tvb_new_child_real_data
WS_DLL_PUBLIC tvbuff_t * tvb_new_child_real_data(tvbuff_t *parent, const uint8_t *data, const unsigned length, const unsigned reported_length)
Create a new child tvbuff with real data.
Definition tvbuff_real.c:104
tvb_offset_exists
WS_DLL_PUBLIC bool tvb_offset_exists(const tvbuff_t *tvb, const unsigned offset)
Checks (without throwing an exception) whether the offset exists in the buffer.
Definition tvbuff.c:800
tvb_get_raw_bytes_as_stringz
WS_DLL_PUBLIC unsigned tvb_get_raw_bytes_as_stringz(tvbuff_t *tvb, const unsigned offset, const unsigned bufsize, uint8_t *buffer)
Copy up to a specified number of bytes from a tvbuff into a buffer as a NUL-terminated string.
Definition tvbuff.c:4480
tvb_get_letoh40
WS_DLL_PUBLIC uint64_t tvb_get_letoh40(tvbuff_t *tvb, const unsigned offset)
Retrieve a 40-bit unsigned value in little-endian byte order.
Definition tvbuff.c:1745
tvb_get_letohs
WS_DLL_PUBLIC uint16_t tvb_get_letohs(tvbuff_t *tvb, const unsigned offset)
Retrieve a 16-bit unsigned value in little-endian byte order.
Definition tvbuff.c:1690
tvb_uncompress_brotli
WS_DLL_PUBLIC tvbuff_t * tvb_uncompress_brotli(tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Brotli-compressed data from a tvbuff.
tvb_get_ascii_7bits_string
WS_DLL_PUBLIC char * tvb_get_ascii_7bits_string(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned bit_offset, unsigned no_of_chars)
Extract and convert an ASCII 7-bit encoded string from a tvbuff to UTF-8.
Definition tvbuff.c:3536
tvb_get_ntohieee_double
WS_DLL_PUBLIC double tvb_get_ntohieee_double(tvbuff_t *tvb, const unsigned offset)
Retrieve a 64-bit IEEE double in network byte order.
Definition tvbuff.c:1661
tvb_get_token_len
WS_DLL_PUBLIC int tvb_get_token_len(tvbuff_t *tvb, const unsigned offset, int len, int *next_offset, const bool desegment)
Determine the length of a token in a tvbuff, optionally desegmenting.
Definition tvbuff.c:5116
tvb_get_letohis
WS_DLL_PUBLIC int16_t tvb_get_letohis(tvbuff_t *tvb, const unsigned offset)
Retrieve a 16-bit signed value in little-endian byte order.
Definition tvbuff.c:1699
tvb_get_raw_bytes_as_string
WS_DLL_PUBLIC unsigned tvb_get_raw_bytes_as_string(tvbuff_t *tvb, const unsigned offset, char *buffer, size_t bufsize)
Extract raw bytes from a tvbuff into a buffer as a NUL-terminated string.
Definition tvbuff.c:4496
tvb_get_string_uint
WS_DLL_PUBLIC bool tvb_get_string_uint(tvbuff_t *tvb, const unsigned offset, const unsigned length, const unsigned encoding, uint32_t *value, unsigned *endoff)
Parse a case-insensitive byte string into an unsigned 32-bit integer.
Definition tvbuff.c:2010
tvb_set_fragment
WS_DLL_PUBLIC void tvb_set_fragment(tvbuff_t *tvb)
Set the "this is a fragment" flag on a tvbuff.
Definition tvbuff.c:5387
tvb_get_uint64
WS_DLL_PUBLIC uint64_t tvb_get_uint64(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 64-bit unsigned value from a tvbuff using the specified encoding.
Definition tvbuff.c:1393
tvb_find_uint16_length
WS_DLL_PUBLIC bool tvb_find_uint16_length(tvbuff_t *tvb, const unsigned offset, const unsigned maxlength, const uint16_t needle, unsigned *found_offset)
Find the first occurrence of a 16-bit value in a tvbuff up to a limit.
Definition tvbuff.c:2849
tvb_format_stringzpad
WS_DLL_PUBLIC char * tvb_format_stringzpad(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, const unsigned size)
Format a null-padded string from a tvbuff as printable text.
Definition tvbuff.c:3260
tvb_find_tvb_remaining
WS_DLL_PUBLIC bool tvb_find_tvb_remaining(tvbuff_t *haystack_tvb, tvbuff_t *needle_tvb, const unsigned haystack_offset, unsigned *found_offset)
Search for a sub-tvbuff within another tvbuff starting at a given offset.
Definition tvbuff.c:5340
tvb_get_stringzpad
WS_DLL_PUBLIC uint8_t * tvb_get_stringzpad(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, const unsigned length, const unsigned encoding)
Extract and convert a null-padded string from a tvbuff to UTF-8.
Definition tvbuff.c:3987
tvb_find_line_end_unquoted_length
WS_DLL_PUBLIC bool tvb_find_line_end_unquoted_length(tvbuff_t *tvb, const unsigned offset, const unsigned maxlength, unsigned *linelen, unsigned *next_offset)
Locate the end of a line in a tvbuff, scanning up to a certain length and ignoring newlines within qu...
Definition tvbuff.c:4930
tvb_utf_8_isprint
WS_DLL_PUBLIC bool tvb_utf_8_isprint(tvbuff_t *tvb, const unsigned offset, const unsigned length)
Check if a portion of a tvbuff contains only valid, printable UTF-8 characters.
Definition tvbuff.c:4560
tvb_strsize_enc
WS_DLL_PUBLIC unsigned tvb_strsize_enc(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Determine the size of a NUL-terminated string in a given encoding in a tvbuff.
Definition tvbuff.c:3054
tvb_get_ntohil
WS_DLL_PUBLIC int32_t tvb_get_ntohil(tvbuff_t *tvb, const unsigned offset)
Retrieve a 32-bit signed value in network byte order.
Definition tvbuff.c:1201
tvb_get_ntohi48
WS_DLL_PUBLIC int64_t tvb_get_ntohi48(tvbuff_t *tvb, const unsigned offset)
Retrieve a 48-bit signed value in network byte order.
Definition tvbuff.c:1238
dgt_set_t::out
const unsigned char out[16]
Definition tvbuff.h:3452
tvb_get_ntoh64
WS_DLL_PUBLIC uint64_t tvb_get_ntoh64(tvbuff_t *tvb, const unsigned offset)
Retrieve a 64-bit unsigned value in network byte order.
Definition tvbuff.c:1267
tvb_strsize
WS_DLL_PUBLIC unsigned tvb_strsize(tvbuff_t *tvb, const unsigned offset)
Determine the size of a NUL-terminated string in a tvbuff.
Definition tvbuff.c:2983
tvb_get_ntohis
WS_DLL_PUBLIC int16_t tvb_get_ntohis(tvbuff_t *tvb, const unsigned offset)
Retrieve a 16-bit signed value in network byte order.
Definition tvbuff.c:1164
tvb_ascii_isprint_remaining
WS_DLL_PUBLIC bool tvb_ascii_isprint_remaining(tvbuff_t *tvb, const unsigned offset)
Check whether all bytes in a tvbuff starting at an offset are ASCII printable characters.
Definition tvbuff.c:4539
tvb_free
WS_DLL_PUBLIC void tvb_free(tvbuff_t *tvb)
Free a tvbuff_t and all tvbuffs chained from it.
Definition tvbuff.c:114
tvb_get_int24
WS_DLL_PUBLIC int32_t tvb_get_int24(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 24-bit signed value from a tvbuff using the specified encoding.
Definition tvbuff.c:1312
tvb_reported_length_remaining
WS_DLL_PUBLIC unsigned tvb_reported_length_remaining(const tvbuff_t *tvb, const unsigned offset)
Computes bytes of reported packet data from the given offset to the end of buffer.
Definition tvbuff.c:819
tvb_get_letohi24
WS_DLL_PUBLIC int32_t tvb_get_letohi24(tvbuff_t *tvb, const unsigned offset)
Retrieve a 24-bit signed value in little-endian byte order.
Definition tvbuff.c:1717
tvb_find_line_end_length
WS_DLL_PUBLIC bool tvb_find_line_end_length(tvbuff_t *tvb, const unsigned offset, const unsigned maxlength, unsigned *linelen, unsigned *next_offset)
Locate the end of a line in a tvbuff, scanning up to a certain length.
Definition tvbuff.c:4717
tvb_child_uncompress_zlib
WS_DLL_PUBLIC tvbuff_t * tvb_child_uncompress_zlib(tvbuff_t *parent, tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress a zlib-compressed packet inside a tvbuff and attach the result to a parent tvbuff.
Definition tvbuff_zlib.c:334
tvb_get_string_enc
WS_DLL_PUBLIC uint8_t * tvb_get_string_enc(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, const unsigned length, const unsigned encoding)
Extract and convert a string from a tvbuff to UTF-8 using the specified encoding.
Definition tvbuff.c:3726
tvb_get_bits8
WS_DLL_PUBLIC uint8_t tvb_get_bits8(tvbuff_t *tvb, unsigned bit_offset, const unsigned no_of_bits)
Retrieve 1–8 bits from a tvbuff and return them as a uint8_t.
Definition tvbuff.c:2524
tvb_get_uint40
WS_DLL_PUBLIC uint64_t tvb_get_uint40(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 40-bit unsigned value from a tvbuff using the specified encoding.
Definition tvbuff.c:1339
tvb_get_ntohi56
WS_DLL_PUBLIC int64_t tvb_get_ntohi56(tvbuff_t *tvb, const unsigned offset)
Retrieve a 56-bit signed value in network byte order.
Definition tvbuff.c:1257
tvb_get_letohi64
WS_DLL_PUBLIC int64_t tvb_get_letohi64(tvbuff_t *tvb, const unsigned offset)
Retrieve a 64-bit signed value in little-endian byte order.
Definition tvbuff.c:1811
tvb_reported_length
WS_DLL_PUBLIC unsigned tvb_reported_length(const tvbuff_t *tvb)
Get reported length of buffer.
Definition tvbuff.c:811
tvb_get_ntoh56
WS_DLL_PUBLIC uint64_t tvb_get_ntoh56(tvbuff_t *tvb, const unsigned offset)
Retrieve a 56-bit unsigned value in network byte order.
Definition tvbuff.c:1248
tvb_get_int16
WS_DLL_PUBLIC int16_t tvb_get_int16(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 16-bit signed value from a tvbuff using the specified encoding.
Definition tvbuff.c:1294
tvb_bcd_dig_to_str_be
WS_DLL_PUBLIC const char * tvb_bcd_dig_to_str_be(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, const unsigned len, const dgt_set_t *dgt, bool skip_first)
Convert BCD-encoded digits from a tvbuff to a formatted string (big-endian nibble order).
Definition tvbuff.c:5287
tvb_new_subset_length
WS_DLL_PUBLIC tvbuff_t * tvb_new_subset_length(tvbuff_t *backing, const unsigned backing_offset, const unsigned reported_length)
Create a subset tvbuff with captured length fitting within backing and reported lengths.
Definition tvbuff_subset.c:188
tvb_utf_8_isprint_remaining
WS_DLL_PUBLIC bool tvb_utf_8_isprint_remaining(tvbuff_t *tvb, const unsigned offset)
Check if a tvbuff contains only valid, printable UTF-8 characters.
Definition tvbuff.c:4572
tvb_skip_uint8
WS_DLL_PUBLIC unsigned tvb_skip_uint8(tvbuff_t *tvb, unsigned offset, const unsigned maxlength, const uint8_t ch)
Skip consecutive occurrences of a specific byte value in a tvbuff.
Definition tvbuff.c:5020
tvb_strnlen
WS_DLL_PUBLIC int tvb_strnlen(tvbuff_t *tvb, const unsigned offset, const unsigned maxlength)
Find the length of a NUL-terminated string in a tvbuff, up to a maximum limit.
Definition tvbuff.c:3129
tvb_free_chain
WS_DLL_PUBLIC void tvb_free_chain(tvbuff_t *tvb)
Free the tvbuff_t and all tvbuffs chained from it.
Definition tvbuff.c:120
tvb_get_hpack_huffman_strbuf
WS_DLL_PUBLIC wmem_strbuf_t * tvb_get_hpack_huffman_strbuf(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, const unsigned len)
Decode HPACK Huffman-encoded data from a tvbuff into a string buffer.
Definition tvbuff_hpackhuff.c:51
tvb_clone
WS_DLL_PUBLIC tvbuff_t * tvb_clone(tvbuff_t *tvb)
Creates a full clone of the given tvbuff.
Definition tvbuff.c:618
tvb_get_bits
WS_DLL_PUBLIC uint32_t tvb_get_bits(tvbuff_t *tvb, const unsigned bit_offset, const unsigned no_of_bits, const unsigned encoding)
Deprecated accessor for extracting bits from a tvbuff.
Definition tvbuff.c:2715
tvb_get_uint8
WS_DLL_PUBLIC uint8_t tvb_get_uint8(tvbuff_t *tvb, const unsigned offset)
Retrieve an 8-bit unsigned value from a tvbuff at the specified offset.
Definition tvbuff.c:1137
tvb_offset_from_real_beginning
WS_DLL_PUBLIC unsigned tvb_offset_from_real_beginning(const tvbuff_t *tvb)
Returns the offset from the beginning of the real (backing) buffer.
Definition tvbuff.c:898
tvb_memcpy
WS_DLL_PUBLIC void * tvb_memcpy(tvbuff_t *tvb, void *target, const unsigned offset, size_t length)
Copy a range of bytes from a tvbuff into a pre-allocated target buffer.
Definition tvbuff.c:1042
base64_to_tvb
WS_DLL_PUBLIC tvbuff_t * base64_to_tvb(tvbuff_t *parent, const char *base64)
Decode a base64-encoded string into a tvbuff and attach it to a parent tvbuff.
Definition tvbuff_base64.c:169
tvb_find_line_end_unquoted_remaining
WS_DLL_PUBLIC bool tvb_find_line_end_unquoted_remaining(tvbuff_t *tvb, const unsigned offset, unsigned *linelen, unsigned *next_offset)
Locate the end of a line in a tvbuff, ignoring newlines within quoted strings.
Definition tvbuff.c:4915
tvb_find_line_end_unquoted
WS_DLL_PUBLIC int tvb_find_line_end_unquoted(tvbuff_t *tvb, const unsigned offset, int len, int *next_offset)
Locate the end of a line in a tvbuff, ignoring newlines inside quoted strings.
Definition tvbuff.c:4887
tvb_unicode_strsize
WS_DLL_PUBLIC unsigned tvb_unicode_strsize(tvbuff_t *tvb, const unsigned offset)
Determine the size of a UCS-2 or UTF-16 NUL-terminated string in a tvbuff.
Definition tvbuff.c:3011
tvb_get_letohieee_double
WS_DLL_PUBLIC double tvb_get_letohieee_double(tvbuff_t *tvb, const unsigned offset)
Retrieve a 64-bit IEEE double in little-endian byte order.
Definition tvbuff.c:1848
tvb_get_string_uint16
WS_DLL_PUBLIC bool tvb_get_string_uint16(tvbuff_t *tvb, const unsigned offset, const unsigned length, const unsigned encoding, uint16_t *value, unsigned *endoff)
Parse a case-insensitive byte string into an unsigned 16-bit integer.
Definition tvbuff.c:2051
tvb_strneql
WS_DLL_PUBLIC int tvb_strneql(tvbuff_t *tvb, const unsigned offset, const char *str, const size_t size)
Compare a string in a tvbuff to a reference string using strncmp semantics.
Definition tvbuff.c:3154
tvb_ensure_bytes_exist64
WS_DLL_PUBLIC void tvb_ensure_bytes_exist64(const tvbuff_t *tvb, const unsigned offset, const uint64_t length)
Checks that the bytes referred to by 'offset' and 'length' actually exist in the buffer.
Definition tvbuff.c:732
tvb_uncompress_zlib
WS_DLL_PUBLIC tvbuff_t * tvb_uncompress_zlib(tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress zlib-compressed data from a tvbuff.
tvb_set_child_real_data_tvbuff
WS_DLL_PUBLIC void tvb_set_child_real_data_tvbuff(tvbuff_t *parent, tvbuff_t *child)
Attach a "real" tvbuff to a parent tvbuff.
Definition tvbuff_real.c:94
tvbuff_free_cb_t
void(* tvbuff_free_cb_t)(void *)
Definition tvbuff.h:104
tvb_get_letohi48
WS_DLL_PUBLIC int64_t tvb_get_letohi48(tvbuff_t *tvb, const unsigned offset)
Retrieve a 48-bit signed value in little-endian byte order.
Definition tvbuff.c:1773
tvb_new_chain
WS_DLL_PUBLIC tvbuff_t * tvb_new_chain(tvbuff_t *parent, tvbuff_t *backing)
Create a new chained tvbuff from a parent and backing buffer.
Definition tvbuff.c:132
tvb_get_ntohguid
WS_DLL_PUBLIC void tvb_get_ntohguid(tvbuff_t *tvb, const unsigned offset, e_guid_t *guid)
Retrieve a GUID from a tvbuff in network byte order.
Definition tvbuff.c:2458
tvb_get_ntohs
WS_DLL_PUBLIC uint16_t tvb_get_ntohs(tvbuff_t *tvb, const unsigned offset)
Retrieve a 16-bit unsigned value in network byte order.
Definition tvbuff.c:1155
tvb_captured_length
WS_DLL_PUBLIC unsigned tvb_captured_length(const tvbuff_t *tvb)
Get the amount of captured data in the buffer.
Definition tvbuff.c:624
tvb_composite_append
WS_DLL_PUBLIC void tvb_composite_append(tvbuff_t *tvb, tvbuff_t *member)
Append to the list of tvbuffs that make up this composite tvbuff.
Definition tvbuff_composite.c:247
tvb_format_text_wsp
WS_DLL_PUBLIC char * tvb_format_text_wsp(wmem_allocator_t *allocator, tvbuff_t *tvb, const unsigned offset, const unsigned size)
Format tvbuff data as printable text, omitting C-style escapes.
Definition tvbuff.c:3247
tvb_get_uint48
WS_DLL_PUBLIC uint64_t tvb_get_uint48(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 48-bit unsigned value from a tvbuff using the specified encoding.
Definition tvbuff.c:1357
tvb_strncaseeql
WS_DLL_PUBLIC int tvb_strncaseeql(tvbuff_t *tvb, const unsigned offset, const char *str, const size_t size)
Case-insensitive comparison of tvbuff bytes against a reference string.
Definition tvbuff.c:3181
tvb_raw_offset
WS_DLL_PUBLIC unsigned tvb_raw_offset(tvbuff_t *tvb)
Returns the offset from the first byte of real data.
Definition tvbuff.c:5377
tvb_child_uncompress_lz77huff
WS_DLL_PUBLIC tvbuff_t * tvb_child_uncompress_lz77huff(tvbuff_t *parent, tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Microsoft LZ77+Huffman-compressed data from a tvbuff and attach the result to a parent tvb...
Definition tvbuff_lz77huff.c:414
tvb_uncompress_lz77huff
WS_DLL_PUBLIC tvbuff_t * tvb_uncompress_lz77huff(tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Microsoft LZ77+Huffman-compressed data from a tvbuff.
Definition tvbuff_lz77huff.c:368
tvb_new_composite
WS_DLL_PUBLIC tvbuff_t * tvb_new_composite(void)
Create an empty composite tvbuff.
Definition tvbuff_composite.c:235
tvb_get_uint56
WS_DLL_PUBLIC uint64_t tvb_get_uint56(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 56-bit unsigned value from a tvbuff using the specified encoding.
Definition tvbuff.c:1375
tvb_find_uint8_remaining
WS_DLL_PUBLIC bool tvb_find_uint8_remaining(tvbuff_t *tvb, const unsigned offset, const uint8_t needle, unsigned *found_offset)
Find the first occurrence of a byte value in a tvbuff.
Definition tvbuff.c:2795
tvb_get_string_time
WS_DLL_PUBLIC nstime_t * tvb_get_string_time(tvbuff_t *tvb, const unsigned offset, const unsigned length, const unsigned encoding, nstime_t *ns, unsigned *endoff)
Fetch a time value from an ASCII-style string in the tvbuff.
Definition tvbuff.c:2139
tvb_find_uint16_remaining
WS_DLL_PUBLIC bool tvb_find_uint16_remaining(tvbuff_t *tvb, const unsigned offset, const uint16_t needle, unsigned *found_offset)
Find the first occurrence of a 16-bit value in a tvbuff.
Definition tvbuff.c:2871
tvb_get_stringz_enc
WS_DLL_PUBLIC uint8_t * tvb_get_stringz_enc(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, unsigned *lengthp, const unsigned encoding)
Extract and convert a null-terminated string from a tvbuff to UTF-8 using the specified encoding.
Definition tvbuff.c:4201
base64_tvb_to_new_tvb
WS_DLL_PUBLIC tvbuff_t * base64_tvb_to_new_tvb(tvbuff_t *parent, unsigned offset, unsigned length)
Decode a base64-encoded string from a tvbuff region and attach the result to a parent tvbuff.
Definition tvbuff_base64.c:184
tvb_child_uncompress_brotli
WS_DLL_PUBLIC tvbuff_t * tvb_child_uncompress_brotli(tvbuff_t *parent, tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Brotli-compressed data from a tvbuff and attach the result to a parent tvbuff.
Definition tvbuff_brotli.c:173
tvb_get_ds_tvb
WS_DLL_PUBLIC struct tvbuff * tvb_get_ds_tvb(tvbuff_t *tvb)
Retrieve the data source tvbuff from a given tvbuff.
Definition tvbuff.c:5393
tvb_bytes_to_str
WS_DLL_PUBLIC char * tvb_bytes_to_str(wmem_allocator_t *allocator, tvbuff_t *tvb, const unsigned offset, const unsigned len)
Format a sequence of bytes from a tvbuff as a hexadecimal string.
Definition tvbuff.c:5300
tvb_uncompress_lz77
WS_DLL_PUBLIC tvbuff_t * tvb_uncompress_lz77(tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Microsoft Plain LZ77-compressed data from a tvbuff.
Definition tvbuff_lz77.c:111
tvb_composite_prepend
WS_DLL_PUBLIC void tvb_composite_prepend(tvbuff_t *tvb, tvbuff_t *member)
Prepend to the list of tvbuffs that make up this composite tvbuff.
Definition tvbuff_composite.c:273
tvb_get_bits_array
WS_DLL_PUBLIC uint8_t * tvb_get_bits_array(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, size_t length, size_t *data_length, const unsigned encoding)
Retrieve a byte array from a tvbuff using a bit-level offset and encoding.
Definition tvbuff.c:2509
tvb_child_uncompress
WS_DLL_PUBLIC tvbuff_t * tvb_child_uncompress(tvbuff_t *parent, tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Deprecated interface for uncompressing data and chaining the result to a parent tvbuff.
Definition tvbuff_zlib.c:349
tvb_new_octet_right_aligned
WS_DLL_PUBLIC tvbuff_t * tvb_new_octet_right_aligned(tvbuff_t *tvb, uint32_t bit_offset, uint32_t no_of_bits)
Extracts a specified number of bits starting at a given bit offset, with bits counted from least sign...
Definition tvbuff.c:527
tvb_format_stringzpad_wsp
WS_DLL_PUBLIC char * tvb_format_stringzpad_wsp(wmem_allocator_t *allocator, tvbuff_t *tvb, const unsigned offset, const unsigned size)
Format a null-padded string from a tvbuff as printable text, preserving whitespace.
Definition tvbuff.c:3276
tvb_get_token_len_length
WS_DLL_PUBLIC bool tvb_get_token_len_length(tvbuff_t *tvb, const unsigned offset, unsigned maxlength, unsigned *tokenlen, unsigned *next_offset)
Determine the length of a token in a tvbuff.
Definition tvbuff.c:5161
tvb_get_etsi_ts_102_221_annex_a_string
WS_DLL_PUBLIC char * tvb_get_etsi_ts_102_221_annex_a_string(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, unsigned length)
Extract and convert a string encoded per ETSI TS 102 221 Annex A from a tvbuff to UTF-8.
Definition tvbuff.c:3524
tvb_get_token_len_remaining
WS_DLL_PUBLIC bool tvb_get_token_len_remaining(tvbuff_t *tvb, const unsigned offset, unsigned *tokenlen, unsigned *next_offset)
Determine the length of a token in a tvbuff.
Definition tvbuff.c:5146
tvb_get_ntoh24
WS_DLL_PUBLIC uint32_t tvb_get_ntoh24(tvbuff_t *tvb, const unsigned offset)
Retrieve a 24-bit unsigned value in network byte order.
Definition tvbuff.c:1173
tvb_get_ieee_double
WS_DLL_PUBLIC double tvb_get_ieee_double(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 64-bit IEEE double from a tvbuff using the specified encoding.
Definition tvbuff.c:1478
tvb_get_bits32
WS_DLL_PUBLIC uint32_t tvb_get_bits32(tvbuff_t *tvb, unsigned bit_offset, const unsigned no_of_bits, const unsigned encoding)
Retrieve 1–32 bits from a tvbuff and return them as a uint32_t.
Definition tvbuff.c:2540
tvb_ascii_isprint
WS_DLL_PUBLIC bool tvb_ascii_isprint(tvbuff_t *tvb, const unsigned offset, const unsigned length)
Check whether all bytes in a tvbuff range are ASCII printable characters.
Definition tvbuff.c:4523
tvb_get_letohieee_float
WS_DLL_PUBLIC float tvb_get_letohieee_float(tvbuff_t *tvb, const unsigned offset)
Retrieve a 32-bit IEEE float in little-endian byte order.
Definition tvbuff.c:1828
tvb_ensure_captured_length_remaining
WS_DLL_PUBLIC unsigned tvb_ensure_captured_length_remaining(const tvbuff_t *tvb, const unsigned offset)
Same as tvb_captured_length_remaining, but throws an exception if the offset is out of bounds.
Definition tvbuff.c:661
tvb_new_octet_aligned
WS_DLL_PUBLIC tvbuff_t * tvb_new_octet_aligned(tvbuff_t *tvb, uint32_t bit_offset, uint32_t no_of_bits)
Extracts a specified number of bits starting at a given bit offset, aligning the result to octet boun...
Definition tvbuff.c:468
tvb_get_letohguid
WS_DLL_PUBLIC void tvb_get_letohguid(tvbuff_t *tvb, const unsigned offset, e_guid_t *guid)
Retrieve a GUID from a tvbuff in little-endian byte order.
Definition tvbuff.c:2469
tvb_get_letoh64
WS_DLL_PUBLIC uint64_t tvb_get_letoh64(tvbuff_t *tvb, const unsigned offset)
Retrieve a 64-bit unsigned value in little-endian byte order.
Definition tvbuff.c:1802
tvb_get_ipv4_addr_with_prefix_len
WS_DLL_PUBLIC int tvb_get_ipv4_addr_with_prefix_len(tvbuff_t *tvb, const unsigned offset, ws_in4_addr *addr, uint32_t prefix_len)
Fetch an IPv4 address from a tvbuff and mask out bits not covered by a prefix length.
Definition tvbuff.c:2416
tvb_get_ntohi24
WS_DLL_PUBLIC int32_t tvb_get_ntohi24(tvbuff_t *tvb, const unsigned offset)
Retrieve a 24-bit signed value in network byte order.
Definition tvbuff.c:1182
tvb_get_ipv6_addr_with_prefix_len
WS_DLL_PUBLIC int tvb_get_ipv6_addr_with_prefix_len(tvbuff_t *tvb, const unsigned offset, ws_in6_addr *addr, uint32_t prefix_len)
Fetch an IPv6 address from a tvbuff and mask out bits not covered by a prefix length.
Definition tvbuff.c:2437
tvb_get_int8
WS_DLL_PUBLIC int8_t tvb_get_int8(tvbuff_t *tvb, const unsigned offset)
Retrieve an 8-bit signed value from a tvbuff at the specified offset.
Definition tvbuff.c:1146
tvb_get_uint64_with_length
WS_DLL_PUBLIC uint64_t tvb_get_uint64_with_length(tvbuff_t *tvb, const unsigned offset, unsigned length, const unsigned encoding)
Retrieve a variable-length unsigned value (up to 64 bits) from a tvbuff using the specified encoding.
Definition tvbuff.c:1402
tvb_get_uint24
WS_DLL_PUBLIC uint32_t tvb_get_uint24(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 24-bit unsigned value from a tvbuff using the specified encoding.
Definition tvbuff.c:1303
tvb_composite_finalize
WS_DLL_PUBLIC void tvb_composite_finalize(tvbuff_t *tvb)
Mark a composite tvbuff as finalized.
Definition tvbuff_composite.c:299
tvb_get_string_bytes
WS_DLL_PUBLIC GByteArray * tvb_get_string_bytes(tvbuff_t *tvb, const unsigned offset, const unsigned length, const unsigned encoding, GByteArray *bytes, unsigned *endoff)
Parse a case-insensitive hex string with optional separators into a byte array.
Definition tvbuff.c:1923
tvb_uncompress_zstd
WS_DLL_PUBLIC tvbuff_t * tvb_uncompress_zstd(tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Zstandard (ZSTD)-compressed data from a tvbuff.
Definition tvbuff_zstd.c:28
tvb_get_letoh48
WS_DLL_PUBLIC uint64_t tvb_get_letoh48(tvbuff_t *tvb, const unsigned offset)
Retrieve a 48-bit unsigned value in little-endian byte order.
Definition tvbuff.c:1764
tvb_get_ntohi64
WS_DLL_PUBLIC int64_t tvb_get_ntohi64(tvbuff_t *tvb, const unsigned offset)
Retrieve a 64-bit signed value in network byte order.
Definition tvbuff.c:1276
tvb_ensure_bytes_exist
WS_DLL_PUBLIC void tvb_ensure_bytes_exist(const tvbuff_t *tvb, const unsigned offset, const int length)
Checks that the bytes referred to by 'offset' and 'length' actually exist in the buffer.
Definition tvbuff.c:751
tvb_child_uncompress_zstd
WS_DLL_PUBLIC tvbuff_t * tvb_child_uncompress_zstd(tvbuff_t *parent, tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Zstandard (ZSTD)-compressed data from a tvbuff and attach the result to a parent tvbuff.
Definition tvbuff_zstd.c:101
tvb_get_ntohi40
WS_DLL_PUBLIC int64_t tvb_get_ntohi40(tvbuff_t *tvb, const unsigned offset)
Retrieve a 40-bit signed value in network byte order.
Definition tvbuff.c:1219
tvb_get_int32
WS_DLL_PUBLIC int32_t tvb_get_int32(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 32-bit signed value from a tvbuff using the specified encoding.
Definition tvbuff.c:1330
tvb_get_letohl
WS_DLL_PUBLIC uint32_t tvb_get_letohl(tvbuff_t *tvb, const unsigned offset)
Retrieve a 32-bit unsigned value in little-endian byte order.
Definition tvbuff.c:1727
tvb_get_ipv4
WS_DLL_PUBLIC uint32_t tvb_get_ipv4(tvbuff_t *tvb, const unsigned offset)
Retrieve an IPv4 address from a tvbuff in network byte order.
Definition tvbuff.c:2391
tvb_get_ipv6
WS_DLL_PUBLIC void tvb_get_ipv6(tvbuff_t *tvb, const unsigned offset, ws_in6_addr *addr)
Retrieve an IPv6 address from a tvbuff.
Definition tvbuff.c:2403
tvb_get_bits16
WS_DLL_PUBLIC uint16_t tvb_get_bits16(tvbuff_t *tvb, unsigned bit_offset, const unsigned no_of_bits, const unsigned encoding)
Retrieve 1–16 bits from a tvbuff and return them as a uint16_t.
Definition tvbuff.c:2532
tvb_bytes_exist
WS_DLL_PUBLIC bool tvb_bytes_exist(const tvbuff_t *tvb, const unsigned offset, const int length)
Check that the specified bytes exist in the tvbuff without throwing an exception.
Definition tvbuff.c:696
tvb_get_const_stringz
WS_DLL_PUBLIC const uint8_t * tvb_get_const_stringz(tvbuff_t *tvb, const unsigned offset, unsigned *lengthp)
Deprecated function to retrieve a raw, unmodifiable null-terminated string from a tvbuff.
Definition tvbuff.c:4083
tvb_get_letohi40
WS_DLL_PUBLIC int64_t tvb_get_letohi40(tvbuff_t *tvb, const unsigned offset)
Retrieve a 40-bit signed value in little-endian byte order.
Definition tvbuff.c:1754
tvb_new_subset_length_caplen
WS_DLL_PUBLIC tvbuff_t * tvb_new_subset_length_caplen(tvbuff_t *backing, const unsigned backing_offset, const unsigned backing_length, const unsigned reported_length)
Create a subset tvbuff with an explicitly limited captured length.
Definition tvbuff_subset.c:161
tvb_clone_offset_len
WS_DLL_PUBLIC tvbuff_t * tvb_clone_offset_len(tvbuff_t *tvb, unsigned offset, unsigned len)
Clones a portion of the given tvbuff starting at a specific offset and length.
Definition tvbuff.c:604
tvb_get_guid
WS_DLL_PUBLIC void tvb_get_guid(tvbuff_t *tvb, const unsigned offset, e_guid_t *guid, const unsigned encoding)
Retrieve a GUID from a tvbuff using the specified encoding.
Definition tvbuff.c:2480
tvb_get_ntoh40
WS_DLL_PUBLIC uint64_t tvb_get_ntoh40(tvbuff_t *tvb, const unsigned offset)
Retrieve a 40-bit unsigned value in network byte order.
Definition tvbuff.c:1210
tvb_new_real_data
WS_DLL_PUBLIC tvbuff_t * tvb_new_real_data(const uint8_t *data, const unsigned length, const unsigned reported_length)
Create a tvbuff backed by existing data.
Definition tvbuff_real.c:58
base64uri_tvb_to_new_tvb
WS_DLL_PUBLIC tvbuff_t * base64uri_tvb_to_new_tvb(tvbuff_t *parent, unsigned offset, unsigned length)
Decode a base64url-encoded string from a tvbuff region and attach the result to a parent tvbuff.
Definition tvbuff_base64.c:211
tvb_get_bits64
WS_DLL_PUBLIC uint64_t tvb_get_bits64(tvbuff_t *tvb, unsigned bit_offset, const unsigned no_of_bits, const unsigned encoding)
Retrieve 1–64 bits from a tvbuff and return them as a uint64_t.
Definition tvbuff.c:2548
tvb_get_int40
WS_DLL_PUBLIC int64_t tvb_get_int40(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 40-bit signed value from a tvbuff using the specified encoding.
Definition tvbuff.c:1348
tvb_ascii_isdigit
WS_DLL_PUBLIC bool tvb_ascii_isdigit(tvbuff_t *tvb, const unsigned offset, const unsigned length)
Check if all bytes in a tvbuff range are ASCII digits.
Definition tvbuff.c:4589
tvb_uncompress
WS_DLL_PUBLIC tvbuff_t * tvb_uncompress(tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Deprecated interface for uncompressing data from a tvbuff using zlib.
Definition tvbuff_zlib.c:343
tvb_find_line_end_remaining
WS_DLL_PUBLIC bool tvb_find_line_end_remaining(tvbuff_t *tvb, const unsigned offset, unsigned *linelen, unsigned *next_offset)
Locate the end of a line in a tvbuff.
Definition tvbuff.c:4702
tvb_memdup
WS_DLL_PUBLIC void * tvb_memdup(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, size_t length)
Duplicate a block of data from a tvbuff into a newly allocated buffer.
Definition tvbuff.c:1085
tvb_get_letohil
WS_DLL_PUBLIC int32_t tvb_get_letohil(tvbuff_t *tvb, const unsigned offset)
Retrieve a 32-bit signed value in little-endian byte order.
Definition tvbuff.c:1736
tvb_get_ieee_float
WS_DLL_PUBLIC float tvb_get_ieee_float(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 32-bit IEEE float from a tvbuff using the specified encoding.
Definition tvbuff.c:1469
tvb_set_free_cb
WS_DLL_PUBLIC void tvb_set_free_cb(tvbuff_t *tvb, const tvbuff_free_cb_t func)
Set a callback function to be called when a tvbuff is actually freed.
Definition tvbuff_real.c:84
tvb_get_string_uint8
WS_DLL_PUBLIC bool tvb_get_string_uint8(tvbuff_t *tvb, const unsigned offset, const unsigned length, const unsigned encoding, uint8_t *value, unsigned *endoff)
Parse a case-insensitive byte string into an unsigned 16-bit integer.
Definition tvbuff.c:2092
tvb_get_ts_23_038_7bits_string_unpacked
WS_DLL_PUBLIC char * tvb_get_ts_23_038_7bits_string_unpacked(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, unsigned length)
Extract and convert a 3GPP TS 23.038 7-bit unpacked string from a tvbuff to UTF-8.
Definition tvbuff.c:3512
tvb_skip_wsp_return
WS_DLL_PUBLIC unsigned tvb_skip_wsp_return(tvbuff_t *tvb, const unsigned offset)
Go backwards to find the offset after a token followed by optional ASCII whitespace.
Definition tvbuff.c:4997
tvb_get_string_uint64
WS_DLL_PUBLIC bool tvb_get_string_uint64(tvbuff_t *tvb, const unsigned offset, const unsigned length, const unsigned encoding, uint64_t *value, unsigned *endoff)
Parse a case-insensitive byte string into an unsigned 64-bit integer.
Definition tvbuff.c:1969
tvb_new_subset_remaining
WS_DLL_PUBLIC tvbuff_t * tvb_new_subset_remaining(tvbuff_t *backing, const unsigned backing_offset)
Create a subset tvbuff containing all the data starting at an offset into a backing tvbuff.
Definition tvbuff_subset.c:212
tvb_set_reported_length
WS_DLL_PUBLIC void tvb_set_reported_length(tvbuff_t *tvb, const unsigned reported_length)
Set a tvbuff's reported_length to a given value.
Definition tvbuff.c:858
tvb_get_ptr
WS_DLL_PUBLIC const uint8_t * tvb_get_ptr(tvbuff_t *tvb, const unsigned offset, const unsigned length)
Returns a raw pointer to tvbuff data. Use with extreme caution.
Definition tvbuff.c:1129
tvb_get_ntoh48
WS_DLL_PUBLIC uint64_t tvb_get_ntoh48(tvbuff_t *tvb, const unsigned offset)
Retrieve a 48-bit unsigned value in network byte order.
Definition tvbuff.c:1229
tvb_bcd_dig_to_str
WS_DLL_PUBLIC const char * tvb_bcd_dig_to_str(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, const unsigned len, const dgt_set_t *dgt, bool skip_first)
Convert BCD-encoded digits from a tvbuff into a formatted string.
Definition tvbuff.c:5278
tvb_get_bcd_string
WS_DLL_PUBLIC char * tvb_get_bcd_string(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, unsigned len, const dgt_set_t *dgt, bool skip_first, bool odd, bool bigendian)
Convert BCD-encoded digits from a tvbuff to a UTF-8 string with flexible nibble handling.
Definition tvbuff.c:5209
tvb_uncompress_lznt1
WS_DLL_PUBLIC tvbuff_t * tvb_uncompress_lznt1(tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Microsoft LZNT1-compressed data from a tvbuff.
Definition tvbuff_lznt1.c:127
tvb_child_uncompress_snappy
WS_DLL_PUBLIC tvbuff_t * tvb_child_uncompress_snappy(tvbuff_t *parent, tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Snappy-compressed data from a tvbuff and attach the result to a parent tvbuff.
Definition tvbuff_snappy.c:66
tvb_get_letohi56
WS_DLL_PUBLIC int64_t tvb_get_letohi56(tvbuff_t *tvb, const unsigned offset)
Retrieve a 56-bit signed value in little-endian byte order.
Definition tvbuff.c:1792
tvb_get_ts_23_038_7bits_string_packed
WS_DLL_PUBLIC char * tvb_get_ts_23_038_7bits_string_packed(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned bit_offset, unsigned no_of_chars)
Extract and convert a 3GPP TS 23.038 7-bit packed string from a tvbuff to UTF-8.
Definition tvbuff.c:3498
tvb_get_letoh24
WS_DLL_PUBLIC uint32_t tvb_get_letoh24(tvbuff_t *tvb, const unsigned offset)
Retrieve a 24-bit unsigned value in little-endian byte order.
Definition tvbuff.c:1708
tvb_ws_mempbrk_uint8_length
WS_DLL_PUBLIC bool tvb_ws_mempbrk_uint8_length(tvbuff_t *tvb, const unsigned offset, const unsigned maxlength, const ws_mempbrk_pattern *pattern, unsigned *found_offset, unsigned char *found_needle)
Find the first occurrence of any needle from a pre-compiled pattern in a tvbuff up to a maximum searc...
Definition tvbuff.c:2955
tvb_ws_mempbrk_uint8_remaining
WS_DLL_PUBLIC bool tvb_ws_mempbrk_uint8_remaining(tvbuff_t *tvb, const unsigned offset, const ws_mempbrk_pattern *pattern, unsigned *found_offset, unsigned char *found_needle)
Find the first occurrence of any needle from a pre-compiled pattern in a tvbuff.
Definition tvbuff.c:2939
tvb_child_uncompress_lznt1
WS_DLL_PUBLIC tvbuff_t * tvb_child_uncompress_lznt1(tvbuff_t *parent, tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Microsoft LZNT1-compressed data from a tvbuff and attach the result to a parent tvbuff.
Definition tvbuff_lznt1.c:166
tvb_get_ntohl
WS_DLL_PUBLIC uint32_t tvb_get_ntohl(tvbuff_t *tvb, const unsigned offset)
Retrieve a 32-bit unsigned value in network byte order.
Definition tvbuff.c:1192
tvb_memeql
WS_DLL_PUBLIC int tvb_memeql(tvbuff_t *tvb, const unsigned offset, const uint8_t *str, size_t size)
Compare raw bytes in a tvbuff to a reference buffer using memcmp semantics.
Definition tvbuff.c:3209
tvb_child_uncompress_hpack_huff
WS_DLL_PUBLIC tvbuff_t * tvb_child_uncompress_hpack_huff(tvbuff_t *parent, unsigned offset, unsigned length)
Decode HPACK Huffman-encoded data from a tvbuff region and attach the result to a parent tvbuff.
Definition tvbuff_hpackhuff.c:57
tvb_uncompress_snappy
WS_DLL_PUBLIC tvbuff_t * tvb_uncompress_snappy(tvbuff_t *tvb, const unsigned offset, unsigned comprlen)
Uncompress Snappy-compressed data from a tvbuff.
tvb_format_text
WS_DLL_PUBLIC char * tvb_format_text(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, const unsigned size)
Format a block of tvbuff data as printable text.
Definition tvbuff.c:3235
tvb_get_varint
WS_DLL_PUBLIC unsigned tvb_get_varint(tvbuff_t *tvb, unsigned offset, unsigned maxlen, uint64_t *value, const unsigned encoding)
Extract a variable-length integer from a tvbuff using the specified encoding.
Definition tvbuff.c:5399
tvb_get_letoh56
WS_DLL_PUBLIC uint64_t tvb_get_letoh56(tvbuff_t *tvb, const unsigned offset)
Retrieve a 56-bit unsigned value in little-endian byte order.
Definition tvbuff.c:1783
tvb_captured_length_remaining
WS_DLL_PUBLIC unsigned tvb_captured_length_remaining(const tvbuff_t *tvb, const unsigned offset)
Computes bytes to end of buffer from the given offset.
Definition tvbuff.c:646
tvb_get_int56
WS_DLL_PUBLIC int64_t tvb_get_int56(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 56-bit signed value from a tvbuff using the specified encoding.
Definition tvbuff.c:1384
tvb_find_uint8_length
WS_DLL_PUBLIC bool tvb_find_uint8_length(tvbuff_t *tvb, const unsigned offset, const unsigned maxlength, const uint8_t needle, unsigned *found_offset)
Find the first occurrence of a byte value in a tvbuff up to a limit.
Definition tvbuff.c:2773
tvb_get_uint32
WS_DLL_PUBLIC uint32_t tvb_get_uint32(tvbuff_t *tvb, const unsigned offset, const unsigned encoding)
Retrieve a 32-bit unsigned value from a tvbuff using the specified encoding.
Definition tvbuff.c:1321
tvb_bytes_to_str_punct
WS_DLL_PUBLIC char * tvb_bytes_to_str_punct(wmem_allocator_t *scope, tvbuff_t *tvb, const unsigned offset, const unsigned len, const char punct)
Format a sequence of bytes from a tvbuff as a string with a custom separator.
Definition tvbuff.c:5188
inet_addr.h
ws_in4_addr
uint32_t ws_in4_addr
Represents a 32-bit IPv4 address in network byte order.
Definition inet_addr.h:22
_e_guid_t
Definition guid-utils.h:23
_wmem_allocator_t
Internal memory allocator interface used by the wmem subsystem.
Definition wmem_allocator.h:34
_wmem_strbuf_t
Internal structure representing a wmem-allocated string buffer.
Definition wmem_strbuf.h:38
buffer
Definition mcast_stream.h:30
dgt_set_t
Digit mapping table for BCD decoding.
Definition tvbuff.h:3451
e_in6_addr
Represents a 128-bit IPv6 address.
Definition inet_addr.h:27
nstime_t
Definition nstime.h:26
tvbuff
Definition tvbuff-int.h:36
tvbuff::length
unsigned length
Definition tvbuff-int.h:62
tvbuff::reported_length
unsigned reported_length
Definition tvbuff-int.h:68
ws_mempbrk_pattern
Definition ws_mempbrk.h:21
ws_mempbrk.h
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