1 /* $NetBSD: file.h,v 1.29 2026/06/10 20:54:16 christos Exp $ */ 2 3 /* 4 * Copyright (c) Ian F. Darwin 1986-1995. 5 * Software written by Ian F. Darwin and others; 6 * maintained 1995-present by Christos Zoulas and others. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 /* 31 * file.h - definitions for file(1) program 32 * @(#)$File: file.h,v 1.267 2026/05/17 17:10:25 christos Exp $ 33 */ 34 35 #ifndef __file_h__ 36 #define __file_h__ 37 38 #ifdef HAVE_CONFIG_H 39 #include <config.h> 40 #endif 41 42 #ifdef HAVE_STDINT_H 43 #include <stdint.h> 44 #endif 45 46 #ifdef HAVE_INTTYPES_H 47 #include <inttypes.h> 48 #endif 49 50 #ifndef __STDC_LIMIT_MACROS 51 #define __STDC_LIMIT_MACROS 52 #endif 53 #ifndef __STDC_FORMAT_MACROS 54 #define __STDC_FORMAT_MACROS 55 #endif 56 57 #ifdef _WIN32 58 # ifdef PRIu32 59 # ifdef _WIN64 60 # define SIZE_T_FORMAT PRIu64 61 # else 62 # define SIZE_T_FORMAT PRIu32 63 # endif 64 # define INT64_T_FORMAT PRIi64 65 # define INTMAX_T_FORMAT PRIiMAX 66 # else 67 # ifdef _WIN64 68 # define SIZE_T_FORMAT "I64" 69 # else 70 # define SIZE_T_FORMAT "" 71 # endif 72 # define INT64_T_FORMAT "I64" 73 # define INTMAX_T_FORMAT "I64" 74 # endif 75 #else 76 # define SIZE_T_FORMAT "z" 77 # define INT64_T_FORMAT "ll" 78 # define INTMAX_T_FORMAT "j" 79 #endif 80 81 #include <stdio.h> /* Include that here, to make sure __P gets defined */ 82 #include <errno.h> 83 #include <fcntl.h> /* For open and flags */ 84 #include <regex.h> 85 #include <time.h> 86 #include <sys/types.h> 87 #ifndef WIN32 88 #include <sys/param.h> 89 #endif 90 /* Do this here and now, because struct stat gets re-defined on solaris */ 91 #include <sys/stat.h> 92 #include <stdarg.h> 93 #include <locale.h> 94 #if defined(HAVE_XLOCALE_H) 95 #include <xlocale.h> 96 #endif 97 98 #define ENABLE_CONDITIONALS 99 100 #ifndef MAGIC 101 #define MAGIC "/etc/magic" 102 #endif 103 104 #if defined(__EMX__) || defined (WIN32) 105 #define PATHSEP ';' 106 #else 107 #define PATHSEP ':' 108 #endif 109 110 #define file_private static 111 112 #if HAVE_VISIBILITY 113 # if defined(WIN32) 114 # define file_public __declspec(dllexport) 115 # ifndef file_protected 116 # define file_protected 117 # endif 118 # else 119 # define file_public __attribute__((__visibility__("default"))) 120 # ifndef file_protected 121 # define file_protected __attribute__((__visibility__("hidden"))) 122 # endif 123 # endif 124 #else 125 # define file_public 126 # ifndef file_protected 127 # define file_protected 128 # endif 129 #endif 130 131 #ifndef __arraycount 132 #define __arraycount(a) (sizeof(a) / sizeof(a[0])) 133 #endif 134 135 #ifndef __GNUC_PREREQ__ 136 #ifdef __GNUC__ 137 #define __GNUC_PREREQ__(x, y) \ 138 ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ 139 (__GNUC__ > (x))) 140 #else 141 #define __GNUC_PREREQ__(x, y) 0 142 #endif 143 #endif 144 145 #ifndef __GNUC__ 146 #ifndef __attribute__ 147 #define __attribute__(a) 148 #endif 149 #endif 150 151 #ifndef MIN 152 #define MIN(a,b) (((a) < (b)) ? (a) : (b)) 153 #endif 154 155 #ifndef MAX 156 #define MAX(a,b) (((a) > (b)) ? (a) : (b)) 157 #endif 158 159 #ifndef O_CLOEXEC 160 # define O_CLOEXEC 0 161 #endif 162 163 #ifndef FD_CLOEXEC 164 # define FD_CLOEXEC 1 165 #endif 166 167 168 /* 169 * Dec 31, 23:59:59 9999 170 * we need to make sure that we don't exceed 9999 because some libc 171 * implementations like muslc crash otherwise. If you are unlucky 172 * to be running on a system with a 32 bit time_t, then it is even less. 173 */ 174 #define MAX_CTIME \ 175 CAST(time_t, sizeof(time_t) > 4 ? 0x3afff487cfULL : 0x7fffffffULL) 176 177 #define FILE_BADSIZE CAST(size_t, ~0ul) 178 #define MAXDESC 64 /* max len of text description/MIME type */ 179 #define MAXMIME 80 /* max len of text MIME type */ 180 #define MAXEXT 120 /* max len of text extensions */ 181 #define MAXstring 128 /* max len of "string" types */ 182 183 #define MAGICNO 0xF11E041C 184 #define VERSIONNO 21 185 #define FILE_MAGICSIZE 432 186 187 #define FILE_GUID_SIZE sizeof("XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX") 188 189 #define FILE_LOAD 0 190 #define FILE_CHECK 1 191 #define FILE_COMPILE 2 192 #define FILE_LIST 3 193 194 typedef regex_t file_regex_t; 195 196 struct buffer { 197 int fd; 198 struct stat st; 199 const void *fbuf; 200 size_t flen; 201 off_t eoff; 202 void *ebuf; 203 size_t elen; 204 }; 205 206 union VALUETYPE { 207 int8_t sb; 208 int16_t sh; 209 int32_t sl; 210 int64_t sq; 211 uint8_t b; 212 uint16_t h; 213 uint32_t l; 214 uint64_t q; 215 uint8_t hs[2]; /* 2 bytes of a fixed-endian "short" */ 216 uint8_t hl[4]; /* 4 bytes of a fixed-endian "long" */ 217 uint8_t hq[8]; /* 8 bytes of a fixed-endian "quad" */ 218 char s[MAXstring]; /* the search string or regex pattern */ 219 unsigned char us[MAXstring]; 220 uint64_t guid[2]; 221 float f; 222 double d; 223 }; 224 225 struct magic { 226 /* Word 1 */ 227 uint16_t flag; 228 #define INDIR 0x01 /* if '(...)' appears */ 229 #define OFFADD 0x02 /* if '>&' or '>...(&' appears */ 230 #define INDIROFFADD 0x04 /* if '>&(' appears */ 231 #define UNSIGNED 0x08 /* comparison is unsigned */ 232 #define NOSPACE 0x10 /* suppress space character before output */ 233 #define BINTEST 0x20 /* test is for a binary type (set only 234 for top-level tests) */ 235 #define TEXTTEST 0x40 /* for passing to file_softmagic */ 236 #define OFFNEGATIVE 0x80 /* relative to the end of file */ 237 #define OFFPOSITIVE 0x100 /* relative to the beginning of file */ 238 239 uint8_t cont_level; /* level of ">" */ 240 uint8_t factor; 241 242 /* Word 2 */ 243 uint8_t reln; /* relation (0=eq, '>'=gt, etc) */ 244 uint8_t vallen; /* length of string value, if any */ 245 uint8_t type; /* comparison type (FILE_*) */ 246 uint8_t in_type; /* type of indirection */ 247 #define FILE_INVALID 0 248 #define FILE_BYTE 1 249 #define FILE_SHORT 2 250 #define FILE_DEFAULT 3 251 #define FILE_LONG 4 252 #define FILE_STRING 5 253 #define FILE_DATE 6 254 #define FILE_BESHORT 7 255 #define FILE_BELONG 8 256 #define FILE_BEDATE 9 257 #define FILE_LESHORT 10 258 #define FILE_LELONG 11 259 #define FILE_LEDATE 12 260 #define FILE_PSTRING 13 261 #define FILE_LDATE 14 262 #define FILE_BELDATE 15 263 #define FILE_LELDATE 16 264 #define FILE_REGEX 17 265 #define FILE_BESTRING16 18 266 #define FILE_LESTRING16 19 267 #define FILE_SEARCH 20 268 #define FILE_MEDATE 21 269 #define FILE_MELDATE 22 270 #define FILE_MELONG 23 271 #define FILE_QUAD 24 272 #define FILE_LEQUAD 25 273 #define FILE_BEQUAD 26 274 #define FILE_QDATE 27 275 #define FILE_LEQDATE 28 276 #define FILE_BEQDATE 29 277 #define FILE_QLDATE 30 278 #define FILE_LEQLDATE 31 279 #define FILE_BEQLDATE 32 280 #define FILE_FLOAT 33 281 #define FILE_BEFLOAT 34 282 #define FILE_LEFLOAT 35 283 #define FILE_DOUBLE 36 284 #define FILE_BEDOUBLE 37 285 #define FILE_LEDOUBLE 38 286 #define FILE_BEID3 39 287 #define FILE_LEID3 40 288 #define FILE_INDIRECT 41 289 #define FILE_QWDATE 42 290 #define FILE_LEQWDATE 43 291 #define FILE_BEQWDATE 44 292 #define FILE_NAME 45 293 #define FILE_USE 46 294 #define FILE_CLEAR 47 295 #define FILE_DER 48 296 #define FILE_GUID 49 297 #define FILE_LEGUID 50 298 #define FILE_BEGUID 51 299 #define FILE_OFFSET 52 300 #define FILE_BEVARINT 53 301 #define FILE_LEVARINT 54 302 #define FILE_MSDOSDATE 55 303 #define FILE_LEMSDOSDATE 56 304 #define FILE_BEMSDOSDATE 57 305 #define FILE_MSDOSTIME 58 306 #define FILE_LEMSDOSTIME 59 307 #define FILE_BEMSDOSTIME 60 308 #define FILE_OCTAL 61 309 #define FILE_NAMES_SIZE 62 /* size of array to contain all names */ 310 311 #define IS_STRING(t) \ 312 ((t) == FILE_STRING || \ 313 (t) == FILE_PSTRING || \ 314 (t) == FILE_BESTRING16 || \ 315 (t) == FILE_LESTRING16 || \ 316 (t) == FILE_REGEX || \ 317 (t) == FILE_SEARCH || \ 318 (t) == FILE_INDIRECT || \ 319 (t) == FILE_NAME || \ 320 (t) == FILE_USE || \ 321 (t) == FILE_OCTAL) 322 323 #define FILE_FMT_NONE 0 324 #define FILE_FMT_NUM 1 /* "cduxXi" */ 325 #define FILE_FMT_STR 2 /* "s" */ 326 #define FILE_FMT_QUAD 3 /* "ll" */ 327 #define FILE_FMT_FLOAT 4 /* "eEfFgG" */ 328 #define FILE_FMT_DOUBLE 5 /* "eEfFgG" */ 329 330 /* Word 3 */ 331 uint8_t in_op; /* operator for indirection */ 332 uint8_t mask_op; /* operator for mask */ 333 #ifdef ENABLE_CONDITIONALS 334 uint8_t cond; /* conditional type */ 335 #else 336 uint8_t dummy; 337 #endif 338 uint8_t factor_op; 339 #define FILE_FACTOR_OP_PLUS '+' 340 #define FILE_FACTOR_OP_MINUS '-' 341 #define FILE_FACTOR_OP_TIMES '*' 342 #define FILE_FACTOR_OP_DIV '/' 343 #define FILE_FACTOR_OP_NONE '\0' 344 345 #define FILE_OPS "&|^+-*/%" 346 #define FILE_OPAND 0 347 #define FILE_OPOR 1 348 #define FILE_OPXOR 2 349 #define FILE_OPADD 3 350 #define FILE_OPMINUS 4 351 #define FILE_OPMULTIPLY 5 352 #define FILE_OPDIVIDE 6 353 #define FILE_OPMODULO 7 354 #define FILE_OPS_MASK 0x07 /* mask for above ops */ 355 #define FILE_UNUSED_1 0x08 356 #define FILE_UNUSED_2 0x10 357 #define FILE_OPSIGNED 0x20 358 #define FILE_OPINVERSE 0x40 359 #define FILE_OPINDIRECT 0x80 360 361 #ifdef ENABLE_CONDITIONALS 362 #define COND_NONE 0 363 #define COND_IF 1 364 #define COND_ELIF 2 365 #define COND_ELSE 3 366 #endif /* ENABLE_CONDITIONALS */ 367 368 /* Word 4 */ 369 int32_t offset; /* offset to magic number */ 370 /* Word 5 */ 371 int32_t in_offset; /* offset from indirection */ 372 /* Word 6 */ 373 uint32_t lineno; /* line number in magic file */ 374 /* Word 7,8 */ 375 union { 376 uint64_t _mask; /* for use with numeric and date types */ 377 struct { 378 uint32_t _count; /* repeat/line count */ 379 uint32_t _flags; /* modifier flags */ 380 } _s; /* for use with string types */ 381 } _u; 382 #define num_mask _u._mask 383 #define str_range _u._s._count 384 #define str_flags _u._s._flags 385 /* Words 9-24 */ 386 union VALUETYPE value; /* either number or string */ 387 /* Words 25-40 */ 388 char desc[MAXDESC]; /* description */ 389 /* Words 41-60 */ 390 char mimetype[MAXMIME]; /* MIME type */ 391 /* Words 61-62 */ 392 char apple[8]; /* APPLE CREATOR/TYPE */ 393 /* Words 63-78 */ 394 char ext[MAXEXT]; /* Popular extensions from old 64 raised by 56 for sqlite/sqlite3/... */ 395 }; 396 397 #define BIT(A) (1 << (A)) 398 #define STRING_COMPACT_WHITESPACE BIT(0) 399 #define STRING_COMPACT_OPTIONAL_WHITESPACE BIT(1) 400 #define STRING_IGNORE_LOWERCASE BIT(2) 401 #define STRING_IGNORE_UPPERCASE BIT(3) 402 #define REGEX_OFFSET_START BIT(4) 403 #define STRING_TEXTTEST BIT(5) 404 #define STRING_BINTEST BIT(6) 405 #define PSTRING_1_BE BIT(7) 406 #define PSTRING_1_LE BIT(7) 407 #define PSTRING_2_BE BIT(8) 408 #define PSTRING_2_LE BIT(9) 409 #define PSTRING_4_BE BIT(10) 410 #define PSTRING_4_LE BIT(11) 411 #define REGEX_LINE_COUNT BIT(11) 412 #define PSTRING_LEN \ 413 (PSTRING_1_BE|PSTRING_2_LE|PSTRING_2_BE|PSTRING_4_LE|PSTRING_4_BE) 414 #define PSTRING_LENGTH_INCLUDES_ITSELF BIT(12) 415 #define STRING_TRIM BIT(13) 416 #define STRING_FULL_WORD BIT(14) 417 #define CHAR_COMPACT_WHITESPACE 'W' 418 #define CHAR_COMPACT_OPTIONAL_WHITESPACE 'w' 419 #define CHAR_IGNORE_LOWERCASE 'c' 420 #define CHAR_IGNORE_UPPERCASE 'C' 421 #define CHAR_REGEX_OFFSET_START 's' 422 #define CHAR_TEXTTEST 't' 423 #define CHAR_TRIM 'T' 424 #define CHAR_FULL_WORD 'f' 425 #define CHAR_BINTEST 'b' 426 #define CHAR_PSTRING_1_BE 'B' 427 #define CHAR_PSTRING_1_LE 'B' 428 #define CHAR_PSTRING_2_BE 'H' 429 #define CHAR_PSTRING_2_LE 'h' 430 #define CHAR_PSTRING_4_BE 'L' 431 #define CHAR_PSTRING_4_LE 'l' 432 #define CHAR_PSTRING_LENGTH_INCLUDES_ITSELF 'J' 433 #define STRING_IGNORE_CASE (STRING_IGNORE_LOWERCASE|STRING_IGNORE_UPPERCASE) 434 #define REGEX_ICASE(m) (((m)->str_flags & STRING_IGNORE_CASE) ? REG_ICASE : 0) 435 #define STRING_DEFAULT_RANGE 100 436 437 #define INDIRECT_RELATIVE BIT(0) 438 #define CHAR_INDIRECT_RELATIVE 'r' 439 440 /* list of magic entries */ 441 struct mlist { 442 struct magic *magic; /* array of magic entries */ 443 file_regex_t **magic_rxcomp; /* array of compiled regexps */ 444 size_t nmagic; /* number of entries in array */ 445 void *map; /* internal resources used by entry */ 446 struct mlist *next, *prev; 447 }; 448 449 #ifdef __cplusplus 450 #define CAST(T, b) static_cast<T>(b) 451 #define RCAST(T, b) reinterpret_cast<T>(b) 452 #define CCAST(T, b) const_cast<T>(b) 453 #else 454 #define CAST(T, b) ((T)(b)) 455 #define RCAST(T, b) ((T)(uintptr_t)(b)) 456 #define CCAST(T, b) ((T)(uintptr_t)(b)) 457 #endif 458 459 struct level_info { 460 int32_t off; 461 int got_match; 462 #ifdef ENABLE_CONDITIONALS 463 int last_match; 464 int last_cond; /* used for error checking by parse() */ 465 #endif 466 }; 467 468 struct cont { 469 size_t len; 470 struct level_info *li; 471 }; 472 473 #define MAGIC_SETS 2 474 475 struct magic_set { 476 struct mlist *mlist[MAGIC_SETS]; /* list of regular entries */ 477 struct cont c; 478 struct out { 479 char *buf; /* Accumulation buffer */ 480 size_t blen; /* Length of buffer */ 481 char *pbuf; /* Printable buffer */ 482 } o; 483 uint32_t offset; /* a copy of m->offset while we */ 484 /* are working on the magic entry */ 485 uint32_t eoffset; /* offset from end of file */ 486 int error; 487 int flags; /* Control magic tests. */ 488 int event_flags; /* Note things that happened. */ 489 #define EVENT_HAD_ERR 0x01 490 char *fnamebuf; /* holding the full path/buffer */ 491 const char *file; 492 size_t line; /* current magic line number */ 493 mode_t mode; /* copy of current stat mode */ 494 uint16_t magwarn; /* current number of warnings */ 495 496 /* data for searches */ 497 struct { 498 const char *s; /* start of search in original source */ 499 size_t s_len; /* length of search region */ 500 size_t offset; /* starting offset in source: XXX - should this be off_t? */ 501 size_t rm_len; /* match length */ 502 } search; 503 504 /* FIXME: Make the string dynamically allocated so that e.g. 505 strings matched in files can be longer than MAXstring */ 506 union VALUETYPE ms_value; /* either number or string */ 507 uint16_t indir_max; 508 uint16_t name_max; 509 uint16_t elf_shnum_max; 510 uint16_t elf_phnum_max; 511 uint16_t elf_notes_max; 512 uint16_t regex_max; 513 uint16_t magwarn_max; 514 size_t bytes_max; /* number of bytes to read from file */ 515 size_t encoding_max; /* bytes to look for encoding */ 516 size_t elf_shsize_max; 517 #ifndef FILE_BYTES_MAX 518 # define FILE_BYTES_MAX (7 * 1024 * 1024)/* how much of the file to look at */ 519 #endif /* above 0x6ab0f4 map offset for HelveticaNeue.dfont */ 520 #define FILE_ELF_NOTES_MAX 256 521 #define FILE_ELF_PHNUM_MAX 2048 522 #define FILE_ELF_SHNUM_MAX 32768 523 #define FILE_ELF_SHSIZE_MAX (128 * 1024 * 1024) 524 #define FILE_INDIR_MAX 50 525 #define FILE_NAME_MAX 150 526 #define FILE_REGEX_MAX 8192 527 #define FILE_ENCODING_MAX (64 * 1024) 528 #define FILE_MAGWARN_MAX 64 529 #if defined(HAVE_NEWLOCALE) && defined(HAVE_USELOCALE) && defined(HAVE_FREELOCALE) 530 #define USE_C_LOCALE 531 locale_t c_lc_ctype; 532 #define file_locale_used 533 #else 534 #define file_locale_used __attribute__((__unused__)) 535 #endif 536 }; 537 538 /* Type for Unicode characters */ 539 typedef unsigned long file_unichar_t; 540 541 struct stat; 542 #define FILE_T_LOCAL 1 543 #define FILE_T_WINDOWS 2 544 file_protected const char *file_fmtdatetime(char *, size_t, uint64_t, int); 545 file_protected const char *file_fmtdate(char *, size_t, uint16_t); 546 file_protected const char *file_fmttime(char *, size_t, uint16_t); 547 file_protected const char *file_fmtvarint(char *, size_t, const unsigned char *, 548 int); 549 file_protected const char *file_fmtnum(char *, size_t, const char *, int); 550 file_protected struct magic_set *file_ms_alloc(int); 551 file_protected void file_ms_free(struct magic_set *); 552 file_protected int file_default(struct magic_set *, size_t); 553 file_protected int file_buffer(struct magic_set *, int, struct stat *, 554 const char *, const void *, size_t); 555 file_protected int file_fsmagic(struct magic_set *, const char *, 556 struct stat *); 557 file_protected int file_pipe2file(struct magic_set *, int, const void *, 558 size_t); 559 file_protected int file_vprintf(struct magic_set *, const char *, va_list) 560 __attribute__((__format__(__printf__, 2, 0))); 561 file_protected int file_separator(struct magic_set *); 562 file_protected char *file_copystr(char *, size_t, size_t, const char *); 563 file_protected int file_checkfmt(char *, size_t, const char *); 564 file_protected size_t file_printedlen(const struct magic_set *); 565 file_protected int file_print_leguid(char *, size_t, const uint64_t *); 566 file_protected int file_print_beguid(char *, size_t, const uint64_t *); 567 file_protected int file_parse_guid(const char *, uint64_t *); 568 file_protected int file_replace(struct magic_set *, const char *, const char *); 569 file_protected int file_printf(struct magic_set *, const char *, ...) 570 __attribute__((__format__(__printf__, 2, 3))); 571 file_protected int file_reset(struct magic_set *, int); 572 file_protected int file_tryelf(struct magic_set *, const struct buffer *); 573 file_protected int file_trycdf(struct magic_set *, const struct buffer *); 574 #if HAVE_FORK 575 file_protected int file_zmagic(struct magic_set *, const struct buffer *, 576 const char *); 577 #endif 578 file_protected int file_ascmagic(struct magic_set *, const struct buffer *, 579 int); 580 file_protected int file_ascmagic_with_encoding(struct magic_set *, 581 const struct buffer *, file_unichar_t *, size_t, const char *, const char *, int); 582 file_protected int file_encoding(struct magic_set *, const struct buffer *, 583 file_unichar_t **, size_t *, const char **, const char **, const char **); 584 file_protected int file_is_json(struct magic_set *, const struct buffer *); 585 file_protected int file_is_csv(struct magic_set *, const struct buffer *, int, 586 const char *); 587 file_protected int file_is_simh(struct magic_set *, const struct buffer *); 588 file_protected int file_is_tar(struct magic_set *, const struct buffer *); 589 file_protected int file_softmagic(struct magic_set *, const struct buffer *, 590 uint16_t *, uint16_t *, int, int); 591 file_protected int file_apprentice(struct magic_set *, const char *, int); 592 file_protected size_t file_magic_strength(const struct magic *, size_t); 593 file_protected int buffer_apprentice(struct magic_set *, struct magic **, 594 size_t *, size_t); 595 file_protected int file_magicfind(struct magic_set *, const char *, 596 struct mlist *); 597 file_protected uint64_t file_signextend(struct magic_set *, struct magic *, 598 uint64_t); 599 file_protected uintmax_t file_varint2uintmax_t(const unsigned char *, int, 600 size_t *); 601 602 file_protected int file_bigendian(void); 603 file_protected void file_badread(struct magic_set *); 604 file_protected void file_badseek(struct magic_set *); 605 file_protected void file_oomem(struct magic_set *, size_t); 606 file_protected void file_error(struct magic_set *, int, const char *, ...) 607 __attribute__((__format__(__printf__, 3, 4))); 608 file_protected void file_magerror(struct magic_set *, const char *, ...) 609 __attribute__((__format__(__printf__, 2, 3))); 610 file_protected void file_magwarn(struct magic_set *, const char *, ...) 611 __attribute__((__format__(__printf__, 2, 3))); 612 file_protected void file_magwarn1(const char *, ...) 613 __attribute__((__format__(__printf__, 1, 2))); 614 file_protected void file_mdump(struct magic *); 615 file_protected void file_showstr(FILE *, const char *, size_t); 616 file_protected size_t file_mbswidth(struct magic_set *, const char *); 617 file_protected const char *file_getbuffer(struct magic_set *); 618 file_protected ssize_t sread(int, void *, size_t, int); 619 file_protected int file_check_mem(struct magic_set *, unsigned int); 620 file_protected int file_looks_utf8(const unsigned char *, size_t, 621 file_unichar_t *, size_t *); 622 file_protected size_t file_pstring_length_size(struct magic_set *, 623 const struct magic *); 624 file_protected size_t file_pstring_get_length(struct magic_set *, 625 const struct magic *, const char *); 626 file_protected char * file_printable(struct magic_set *, char *, size_t, 627 const char *, size_t); 628 #ifdef __EMX__ 629 file_protected int file_os2_apptype(struct magic_set *, const char *, 630 const struct buffer *); 631 #endif /* __EMX__ */ 632 file_protected int file_pipe_closexec(int *); 633 file_protected int file_clear_closexec(int); 634 file_protected char *file_strtrim(char *); 635 636 file_protected void buffer_init(struct buffer *, int, const struct stat *, 637 const void *, size_t); 638 file_protected void buffer_fini(struct buffer *); 639 file_protected int buffer_fill(const struct buffer *); 640 641 642 643 file_protected int file_regcomp(struct magic_set *, file_regex_t *, 644 const char *, int); 645 file_protected int file_regexec(struct magic_set *, file_regex_t *, 646 const char *, size_t, regmatch_t *, int); 647 file_protected void file_regfree(file_regex_t *); 648 649 typedef struct { 650 char *buf; 651 size_t blen; 652 uint32_t offset; 653 } file_pushbuf_t; 654 655 file_protected file_pushbuf_t *file_push_buffer(struct magic_set *); 656 file_protected char *file_pop_buffer(struct magic_set *, file_pushbuf_t *); 657 658 #ifndef COMPILE_ONLY 659 extern file_protected const char *file_names[]; 660 extern file_protected const size_t file_nnames; 661 #endif 662 663 #ifndef HAVE_PREAD 664 ssize_t pread(int, void *, size_t, off_t); 665 #endif 666 #ifndef HAVE_VASPRINTF 667 int vasprintf(char **, const char *, va_list); 668 #endif 669 #ifndef HAVE_ASPRINTF 670 int asprintf(char **, const char *, ...); 671 #endif 672 #ifndef HAVE_DPRINTF 673 int dprintf(int, const char *, ...); 674 #endif 675 676 #ifndef HAVE_STRLCPY 677 size_t strlcpy(char *, const char *, size_t); 678 #endif 679 #ifndef HAVE_STRLCAT 680 size_t strlcat(char *, const char *, size_t); 681 #endif 682 #ifndef HAVE_STRCASESTR 683 char *strcasestr(const char *, const char *); 684 #endif 685 #ifndef HAVE_GETLINE 686 ssize_t getline(char **, size_t *, FILE *); 687 ssize_t getdelim(char **, size_t *, int, FILE *); 688 #endif 689 #ifndef HAVE_CTIME_R 690 char *ctime_r(const time_t *, char *); 691 #endif 692 #ifndef HAVE_ASCTIME_R 693 char *asctime_r(const struct tm *, char *); 694 #endif 695 #ifndef HAVE_GMTIME_R 696 struct tm *gmtime_r(const time_t *, struct tm *); 697 #endif 698 #ifndef HAVE_LOCALTIME_R 699 struct tm *localtime_r(const time_t *, struct tm *); 700 #endif 701 #ifndef HAVE_FMTCHECK 702 const char *fmtcheck(const char *, const char *) 703 __attribute__((__format_arg__(2))); 704 #endif 705 706 #ifdef HAVE_LIBSECCOMP 707 int enable_sandbox(int, int); 708 #endif 709 710 #ifdef HAVE_LINUX_LANDLOCK_H 711 int enable_landlock(int, int); 712 #endif 713 714 file_protected const char *file_getprogname(void); 715 file_protected void file_setprogname(const char *); 716 file_protected void file_err(int, const char *, ...) 717 __attribute__((__format__(__printf__, 2, 3), __noreturn__)); 718 file_protected void file_errx(int, const char *, ...) 719 __attribute__((__format__(__printf__, 2, 3), __noreturn__)); 720 file_protected void file_warn(const char *, ...) 721 __attribute__((__format__(__printf__, 1, 2))); 722 file_protected void file_warnx(const char *, ...) 723 __attribute__((__format__(__printf__, 1, 2))); 724 725 #if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) && !defined(QUICK) 726 #define QUICK 727 #endif 728 729 #ifndef O_BINARY 730 #define O_BINARY 0 731 #endif 732 #ifndef O_NONBLOCK 733 #define O_NONBLOCK 0 734 #endif 735 736 #ifndef __cplusplus 737 #if defined(__GNUC__) && (__GNUC__ >= 3) 738 #define FILE_RCSID(id) \ 739 static const char rcsid[] __attribute__((__used__)) = id; 740 #else 741 #define FILE_RCSID(id) \ 742 static const char *rcsid(const char *p) { \ 743 return rcsid(p = id); \ 744 } 745 #endif 746 #else 747 #define FILE_RCSID(id) 748 #endif 749 #ifndef __RCSID 750 #define __RCSID(a) 751 #endif 752 753 #define file_no_overflow \ 754 __attribute__((__no_sanitize__("signed-integer-overflow"))) 755 756 #endif /* __file_h__ */ 757
Indexes created Tue Jun 23 00:25:03 UTC 2026