1 /* 2 * Copyright (c) Ian F. Darwin 1986-1995. 3 * Software written by Ian F. Darwin and others; 4 * maintained 1995-present by Christos Zoulas and others. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice immediately at the beginning of the file, without modification, 11 * this list of conditions, and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 /* 29 * file.h - definitions for file(1) program 30 * @(#)$File: file.h,v 1.237 2022/09/10 13:21:42 christos Exp $ 31 */ 32 33 #ifndef __file_h__ 34 #define __file_h__ 35 36 #include "config.h" 37 38 #ifdef HAVE_STDINT_H 39 #include <stdint.h> 40 #endif 41 42 #ifdef HAVE_INTTYPES_H 43 #include <inttypes.h> 44 #endif 45 46 #ifndef __STDC_LIMIT_MACROS 47 #define __STDC_LIMIT_MACROS 48 #endif 49 #ifndef __STDC_FORMAT_MACROS 50 #define __STDC_FORMAT_MACROS 51 #endif 52 53 #ifdef _WIN32 54 # ifdef PRIu32 55 # ifdef _WIN64 56 # define SIZE_T_FORMAT PRIu64 57 # else 58 # define SIZE_T_FORMAT PRIu32 59 # endif 60 # define INT64_T_FORMAT PRIi64 61 # define INTMAX_T_FORMAT PRIiMAX 62 # else 63 # ifdef _WIN64 64 # define SIZE_T_FORMAT "I64" 65 # else 66 # define SIZE_T_FORMAT "" 67 # endif 68 # define INT64_T_FORMAT "I64" 69 # define INTMAX_T_FORMAT "I64" 70 # endif 71 #else 72 # define SIZE_T_FORMAT "z" 73 # define INT64_T_FORMAT "ll" 74 # define INTMAX_T_FORMAT "j" 75 #endif 76 77 #include <stdio.h> /* Include that here, to make sure __P gets defined */ 78 #include <errno.h> 79 #include <fcntl.h> /* For open and flags */ 80 81 #include <sys/types.h> 82 #ifndef WIN32 83 #include <sys/param.h> 84 #endif 85 /* Do this here and now, because struct stat gets re-defined on solaris */ 86 #include <sys/stat.h> 87 #include <stdarg.h> 88 89 #define ENABLE_CONDITIONALS 90 91 #ifndef MAGIC 92 #define MAGIC "/etc/magic" 93 #endif 94 95 #if defined(__EMX__) || defined (WIN32) 96 #define PATHSEP ';' 97 #else 98 #define PATHSEP ':' 99 #endif 100 101 #define private static 102 103 #if HAVE_VISIBILITY && !defined(WIN32) 104 #define public __attribute__ ((__visibility__("default"))) 105 #ifndef protected 106 #define protected __attribute__ ((__visibility__("hidden"))) 107 #endif 108 #else 109 #define public 110 #ifndef protected 111 #define protected 112 #endif 113 #endif 114 115 #ifndef __arraycount 116 #define __arraycount(a) (sizeof(a) / sizeof(a[0])) 117 #endif 118 119 #ifndef __GNUC_PREREQ__ 120 #ifdef __GNUC__ 121 #define __GNUC_PREREQ__(x, y) \ 122 ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ 123 (__GNUC__ > (x))) 124 #else 125 #define __GNUC_PREREQ__(x, y) 0 126 #endif 127 #endif 128 129 #ifndef __GNUC__ 130 #ifndef __attribute__ 131 #define __attribute__(a) 132 #endif 133 #endif 134 135 #ifndef MIN 136 #define MIN(a,b) (((a) < (b)) ? (a) : (b)) 137 #endif 138 139 #ifndef MAX 140 #define MAX(a,b) (((a) > (b)) ? (a) : (b)) 141 #endif 142 143 #ifndef O_CLOEXEC 144 # define O_CLOEXEC 0 145 #endif 146 147 #ifndef FD_CLOEXEC 148 # define FD_CLOEXEC 1 149 #endif 150 151 #define FILE_BADSIZE CAST(size_t, ~0ul) 152 #define MAXDESC 64 /* max len of text description/MIME type */ 153 #define MAXMIME 80 /* max len of text MIME type */ 154 #define MAXstring 128 /* max len of "string" types */ 155 156 #define MAGICNO 0xF11E041C 157 #define VERSIONNO 18 158 #define FILE_MAGICSIZE 376 159 160 #define FILE_GUID_SIZE sizeof("XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX") 161 162 #define FILE_LOAD 0 163 #define FILE_CHECK 1 164 #define FILE_COMPILE 2 165 #define FILE_LIST 3 166 167 struct buffer { 168 int fd; 169 zend_stat_t st; 170 const void *fbuf; 171 size_t flen; 172 zend_off_t eoff; 173 void *ebuf; 174 size_t elen; 175 }; 176 177 union VALUETYPE { 178 uint8_t b; 179 uint16_t h; 180 uint32_t l; 181 uint64_t q; 182 uint8_t hs[2]; /* 2 bytes of a fixed-endian "short" */ 183 uint8_t hl[4]; /* 4 bytes of a fixed-endian "long" */ 184 uint8_t hq[8]; /* 8 bytes of a fixed-endian "quad" */ 185 char s[MAXstring]; /* the search string or regex pattern */ 186 unsigned char us[MAXstring]; 187 uint64_t guid[2]; 188 float f; 189 double d; 190 }; 191 192 struct magic { 193 /* Word 1 */ 194 uint16_t cont_level; /* level of ">" */ 195 uint8_t flag; 196 #define INDIR 0x01 /* if '(...)' appears */ 197 #define OFFADD 0x02 /* if '>&' or '>...(&' appears */ 198 #define INDIROFFADD 0x04 /* if '>&(' appears */ 199 #define UNSIGNED 0x08 /* comparison is unsigned */ 200 #define NOSPACE 0x10 /* suppress space character before output */ 201 #define BINTEST 0x20 /* test is for a binary type (set only 202 for top-level tests) */ 203 #define TEXTTEST 0x40 /* for passing to file_softmagic */ 204 #define OFFNEGATIVE 0x80 /* relative to the end of file */ 205 206 uint8_t factor; 207 208 /* Word 2 */ 209 uint8_t reln; /* relation (0=eq, '>'=gt, etc) */ 210 uint8_t vallen; /* length of string value, if any */ 211 uint8_t type; /* comparison type (FILE_*) */ 212 uint8_t in_type; /* type of indirection */ 213 #define FILE_INVALID 0 214 #define FILE_BYTE 1 215 #define FILE_SHORT 2 216 #define FILE_DEFAULT 3 217 #define FILE_LONG 4 218 #define FILE_STRING 5 219 #define FILE_DATE 6 220 #define FILE_BESHORT 7 221 #define FILE_BELONG 8 222 #define FILE_BEDATE 9 223 #define FILE_LESHORT 10 224 #define FILE_LELONG 11 225 #define FILE_LEDATE 12 226 #define FILE_PSTRING 13 227 #define FILE_LDATE 14 228 #define FILE_BELDATE 15 229 #define FILE_LELDATE 16 230 #define FILE_REGEX 17 231 #define FILE_BESTRING16 18 232 #define FILE_LESTRING16 19 233 #define FILE_SEARCH 20 234 #define FILE_MEDATE 21 235 #define FILE_MELDATE 22 236 #define FILE_MELONG 23 237 #define FILE_QUAD 24 238 #define FILE_LEQUAD 25 239 #define FILE_BEQUAD 26 240 #define FILE_QDATE 27 241 #define FILE_LEQDATE 28 242 #define FILE_BEQDATE 29 243 #define FILE_QLDATE 30 244 #define FILE_LEQLDATE 31 245 #define FILE_BEQLDATE 32 246 #define FILE_FLOAT 33 247 #define FILE_BEFLOAT 34 248 #define FILE_LEFLOAT 35 249 #define FILE_DOUBLE 36 250 #define FILE_BEDOUBLE 37 251 #define FILE_LEDOUBLE 38 252 #define FILE_BEID3 39 253 #define FILE_LEID3 40 254 #define FILE_INDIRECT 41 255 #define FILE_QWDATE 42 256 #define FILE_LEQWDATE 43 257 #define FILE_BEQWDATE 44 258 #define FILE_NAME 45 259 #define FILE_USE 46 260 #define FILE_CLEAR 47 261 #define FILE_DER 48 262 #define FILE_GUID 49 263 #define FILE_OFFSET 50 264 #define FILE_BEVARINT 51 265 #define FILE_LEVARINT 52 266 #define FILE_MSDOSDATE 53 267 #define FILE_LEMSDOSDATE 54 268 #define FILE_BEMSDOSDATE 55 269 #define FILE_MSDOSTIME 56 270 #define FILE_LEMSDOSTIME 57 271 #define FILE_BEMSDOSTIME 58 272 #define FILE_OCTAL 59 273 #define FILE_NAMES_SIZE 60 /* size of array to contain all names */ 274 275 #define IS_LIBMAGIC_STRING(t) \ 276 ((t) == FILE_STRING || \ 277 (t) == FILE_PSTRING || \ 278 (t) == FILE_BESTRING16 || \ 279 (t) == FILE_LESTRING16 || \ 280 (t) == FILE_REGEX || \ 281 (t) == FILE_SEARCH || \ 282 (t) == FILE_INDIRECT || \ 283 (t) == FILE_NAME || \ 284 (t) == FILE_USE || \ 285 (t) == FILE_OCTAL) 286 287 #define FILE_FMT_NONE 0 288 #define FILE_FMT_NUM 1 /* "cduxXi" */ 289 #define FILE_FMT_STR 2 /* "s" */ 290 #define FILE_FMT_QUAD 3 /* "ll" */ 291 #define FILE_FMT_FLOAT 4 /* "eEfFgG" */ 292 #define FILE_FMT_DOUBLE 5 /* "eEfFgG" */ 293 294 /* Word 3 */ 295 uint8_t in_op; /* operator for indirection */ 296 uint8_t mask_op; /* operator for mask */ 297 #ifdef ENABLE_CONDITIONALS 298 uint8_t cond; /* conditional type */ 299 #else 300 uint8_t dummy; 301 #endif 302 uint8_t factor_op; 303 #define FILE_FACTOR_OP_PLUS '+' 304 #define FILE_FACTOR_OP_MINUS '-' 305 #define FILE_FACTOR_OP_TIMES '*' 306 #define FILE_FACTOR_OP_DIV '/' 307 #define FILE_FACTOR_OP_NONE '\0' 308 309 #define FILE_OPS "&|^+-*/%" 310 #define FILE_OPAND 0 311 #define FILE_OPOR 1 312 #define FILE_OPXOR 2 313 #define FILE_OPADD 3 314 #define FILE_OPMINUS 4 315 #define FILE_OPMULTIPLY 5 316 #define FILE_OPDIVIDE 6 317 #define FILE_OPMODULO 7 318 #define FILE_OPS_MASK 0x07 /* mask for above ops */ 319 #define FILE_UNUSED_1 0x08 320 #define FILE_UNUSED_2 0x10 321 #define FILE_OPSIGNED 0x20 322 #define FILE_OPINVERSE 0x40 323 #define FILE_OPINDIRECT 0x80 324 325 #ifdef ENABLE_CONDITIONALS 326 #define COND_NONE 0 327 #define COND_IF 1 328 #define COND_ELIF 2 329 #define COND_ELSE 3 330 #endif /* ENABLE_CONDITIONALS */ 331 332 /* Word 4 */ 333 int32_t offset; /* offset to magic number */ 334 /* Word 5 */ 335 int32_t in_offset; /* offset from indirection */ 336 /* Word 6 */ 337 uint32_t lineno; /* line number in magic file */ 338 /* Word 7,8 */ 339 union { 340 uint64_t _mask; /* for use with numeric and date types */ 341 struct { 342 uint32_t _count; /* repeat/line count */ 343 uint32_t _flags; /* modifier flags */ 344 } _s; /* for use with string types */ 345 } _u; 346 #define num_mask _u._mask 347 #define str_range _u._s._count 348 #define str_flags _u._s._flags 349 /* Words 9-24 */ 350 union VALUETYPE value; /* either number or string */ 351 /* Words 25-40 */ 352 char desc[MAXDESC]; /* description */ 353 /* Words 41-60 */ 354 char mimetype[MAXMIME]; /* MIME type */ 355 /* Words 61-62 */ 356 char apple[8]; /* APPLE CREATOR/TYPE */ 357 /* Words 63-78 */ 358 char ext[64]; /* Popular extensions */ 359 }; 360 361 #define BIT(A) (1 << (A)) 362 #define STRING_COMPACT_WHITESPACE BIT(0) 363 #define STRING_COMPACT_OPTIONAL_WHITESPACE BIT(1) 364 #define STRING_IGNORE_LOWERCASE BIT(2) 365 #define STRING_IGNORE_UPPERCASE BIT(3) 366 #define REGEX_OFFSET_START BIT(4) 367 #define STRING_TEXTTEST BIT(5) 368 #define STRING_BINTEST BIT(6) 369 #define PSTRING_1_BE BIT(7) 370 #define PSTRING_1_LE BIT(7) 371 #define PSTRING_2_BE BIT(8) 372 #define PSTRING_2_LE BIT(9) 373 #define PSTRING_4_BE BIT(10) 374 #define PSTRING_4_LE BIT(11) 375 #define REGEX_LINE_COUNT BIT(11) 376 #define PSTRING_LEN \ 377 (PSTRING_1_BE|PSTRING_2_LE|PSTRING_2_BE|PSTRING_4_LE|PSTRING_4_BE) 378 #define PSTRING_LENGTH_INCLUDES_ITSELF BIT(12) 379 #define STRING_TRIM BIT(13) 380 #define STRING_FULL_WORD BIT(14) 381 #define CHAR_COMPACT_WHITESPACE 'W' 382 #define CHAR_COMPACT_OPTIONAL_WHITESPACE 'w' 383 #define CHAR_IGNORE_LOWERCASE 'c' 384 #define CHAR_IGNORE_UPPERCASE 'C' 385 #define CHAR_REGEX_OFFSET_START 's' 386 #define CHAR_TEXTTEST 't' 387 #define CHAR_TRIM 'T' 388 #define CHAR_FULL_WORD 'f' 389 #define CHAR_BINTEST 'b' 390 #define CHAR_PSTRING_1_BE 'B' 391 #define CHAR_PSTRING_1_LE 'B' 392 #define CHAR_PSTRING_2_BE 'H' 393 #define CHAR_PSTRING_2_LE 'h' 394 #define CHAR_PSTRING_4_BE 'L' 395 #define CHAR_PSTRING_4_LE 'l' 396 #define CHAR_PSTRING_LENGTH_INCLUDES_ITSELF 'J' 397 #define STRING_IGNORE_CASE (STRING_IGNORE_LOWERCASE|STRING_IGNORE_UPPERCASE) 398 #define STRING_DEFAULT_RANGE 100 399 400 #define INDIRECT_RELATIVE BIT(0) 401 #define CHAR_INDIRECT_RELATIVE 'r' 402 403 /* list of magic entries */ 404 struct mlist { 405 struct magic *magic; /* array of magic entries */ 406 size_t nmagic; /* number of entries in array */ 407 void *map; /* internal resources used by entry */ 408 struct mlist *next, *prev; 409 }; 410 411 #ifdef __cplusplus 412 #define CAST(T, b) static_cast<T>(b) 413 #define RCAST(T, b) reinterpret_cast<T>(b) 414 #define CCAST(T, b) const_cast<T>(b) 415 #else 416 #define CAST(T, b) ((T)(b)) 417 #define RCAST(T, b) ((T)(uintptr_t)(b)) 418 #define CCAST(T, b) ((T)(uintptr_t)(b)) 419 #endif 420 421 struct level_info { 422 int32_t off; 423 int got_match; 424 #ifdef ENABLE_CONDITIONALS 425 int last_match; 426 int last_cond; /* used for error checking by parse() */ 427 #endif 428 }; 429 430 struct cont { 431 size_t len; 432 struct level_info *li; 433 }; 434 435 #define MAGIC_SETS 2 436 437 struct magic_set { 438 struct mlist *mlist[MAGIC_SETS]; /* list of regular entries */ 439 struct cont c; 440 struct out { 441 char *buf; /* Accumulation buffer */ 442 size_t blen; /* Length of buffer */ 443 char *pbuf; /* Printable buffer */ 444 } o; 445 uint32_t offset; /* a copy of m->offset while we */ 446 /* are working on the magic entry */ 447 uint32_t eoffset; /* offset from end of file */ 448 int error; 449 int flags; /* Control magic tests. */ 450 int event_flags; /* Note things that happened. */ 451 #define EVENT_HAD_ERR 0x01 452 const char *file; 453 size_t line; /* current magic line number */ 454 mode_t mode; /* copy of current stat mode */ 455 456 /* data for searches */ 457 struct { 458 const char *s; /* start of search in original source */ 459 size_t s_len; /* length of search region */ 460 size_t offset; /* starting offset in source: XXX - should this be off_t? */ 461 size_t rm_len; /* match length */ 462 } search; 463 464 /* FIXME: Make the string dynamically allocated so that e.g. 465 strings matched in files can be longer than MAXstring */ 466 union VALUETYPE ms_value; /* either number or string */ 467 uint16_t indir_max; 468 uint16_t name_max; 469 uint16_t elf_shnum_max; 470 uint16_t elf_phnum_max; 471 uint16_t elf_notes_max; 472 uint16_t regex_max; 473 size_t bytes_max; /* number of bytes to read from file */ 474 size_t encoding_max; /* bytes to look for encoding */ 475 #ifndef FILE_BYTES_MAX 476 # define FILE_BYTES_MAX (1024 * 1024) /* how much of the file to look at */ 477 #endif 478 #define FILE_ELF_NOTES_MAX 256 479 #define FILE_ELF_PHNUM_MAX 2048 480 #define FILE_ELF_SHNUM_MAX 32768 481 #define FILE_INDIR_MAX 50 482 #define FILE_NAME_MAX 50 483 #define FILE_REGEX_MAX 8192 484 #define FILE_ENCODING_MAX (64 * 1024) 485 #if defined(HAVE_NEWLOCALE) && defined(HAVE_USELOCALE) && defined(HAVE_FREELOCALE) 486 #define USE_C_LOCALE 487 locale_t c_lc_ctype; 488 #define file_locale_used 489 #else 490 #define file_locale_used __attribute__((__unused__)) 491 #endif 492 }; 493 494 /* Type for Unicode characters */ 495 typedef unsigned long file_unichar_t; 496 497 struct stat; 498 #define FILE_T_LOCAL 1 499 #define FILE_T_WINDOWS 2 500 protected const char *file_fmtdatetime(char *, size_t, uint64_t, int); 501 protected const char *file_fmtdate(char *, size_t, uint16_t); 502 protected const char *file_fmttime(char *, size_t, uint16_t); 503 protected const char *file_fmtvarint(char *, size_t, const unsigned char *, 504 int); 505 protected const char *file_fmtnum(char *, size_t, const char *, int); 506 protected struct magic_set *file_ms_alloc(int); 507 protected void file_ms_free(struct magic_set *); 508 protected int file_buffer(struct magic_set *, php_stream *, zend_stat_t *, const char *, const void *, 509 size_t); 510 protected int file_fsmagic(struct magic_set *, const char *, zend_stat_t *); 511 protected int file_pipe2file(struct magic_set *, int, const void *, size_t); 512 protected int file_vprintf(struct magic_set *, const char *, va_list) 513 __attribute__((__format__(__printf__, 2, 0))); 514 protected int file_separator(struct magic_set *); 515 protected char *file_copystr(char *, size_t, size_t, const char *); 516 protected int file_checkfmt(char *, size_t, const char *); 517 protected size_t file_printedlen(const struct magic_set *); 518 protected int file_print_guid(char *, size_t, const uint64_t *); 519 protected int file_parse_guid(const char *, uint64_t *); 520 protected int file_replace(struct magic_set *, const char *, const char *); 521 protected int file_printf(struct magic_set *, const char *, ...) 522 __attribute__((__format__(__printf__, 2, 3))); 523 protected int file_reset(struct magic_set *, int); 524 protected int file_tryelf(struct magic_set *, const struct buffer *); 525 protected int file_trycdf(struct magic_set *, const struct buffer *); 526 #ifdef PHP_FILEINFO_UNCOMPRESS 527 protected int file_zmagic(struct magic_set *, const struct buffer *, 528 const char *); 529 #endif 530 protected int file_ascmagic(struct magic_set *, const struct buffer *, 531 int); 532 protected int file_ascmagic_with_encoding(struct magic_set *, 533 const struct buffer *, file_unichar_t *, size_t, const char *, const char *, int); 534 protected int file_encoding(struct magic_set *, const struct buffer *, 535 file_unichar_t **, size_t *, const char **, const char **, const char **); 536 protected int file_is_json(struct magic_set *, const struct buffer *); 537 protected int file_is_csv(struct magic_set *, const struct buffer *, int); 538 protected int file_is_tar(struct magic_set *, const struct buffer *); 539 protected int file_softmagic(struct magic_set *, const struct buffer *, 540 uint16_t *, uint16_t *, int, int); 541 protected int file_apprentice(struct magic_set *, const char *, int); 542 protected int buffer_apprentice(struct magic_set *, struct magic **, 543 size_t *, size_t); 544 protected int file_magicfind(struct magic_set *, const char *, struct mlist *); 545 protected uint64_t file_signextend(struct magic_set *, struct magic *, 546 uint64_t); 547 protected uintmax_t file_varint2uintmax_t(const unsigned char *, int, size_t *); 548 549 protected void file_badread(struct magic_set *); 550 protected void file_badseek(struct magic_set *); 551 protected void file_oomem(struct magic_set *, size_t); 552 protected void file_error(struct magic_set *, int, const char *, ...) 553 __attribute__((__format__(__printf__, 3, 4))); 554 protected void file_magerror(struct magic_set *, const char *, ...) 555 __attribute__((__format__(__printf__, 2, 3))); 556 protected void file_magwarn(struct magic_set *, const char *, ...) 557 __attribute__((__format__(__printf__, 2, 3))); 558 protected void file_mdump(struct magic *); 559 protected void file_showstr(FILE *, const char *, size_t); 560 protected size_t file_mbswidth(struct magic_set *, const char *); 561 protected const char *file_getbuffer(struct magic_set *); 562 protected ssize_t sread(int, void *, size_t, int); 563 protected int file_check_mem(struct magic_set *, unsigned int); 564 protected int file_looks_utf8(const unsigned char *, size_t, file_unichar_t *, 565 size_t *); 566 protected size_t file_pstring_length_size(struct magic_set *, 567 const struct magic *); 568 protected size_t file_pstring_get_length(struct magic_set *, 569 const struct magic *, const char *); 570 protected char * file_printable(struct magic_set *, char *, size_t, 571 const char *, size_t); 572 #ifdef __EMX__ 573 protected int file_os2_apptype(struct magic_set *, const char *, const void *, 574 size_t); 575 #endif /* __EMX__ */ 576 protected int file_pipe_closexec(int *); 577 protected int file_clear_closexec(int); 578 protected char *file_strtrim(char *); 579 580 protected void buffer_init(struct buffer *, int, const zend_stat_t *, 581 const void *, size_t); 582 protected void buffer_fini(struct buffer *); 583 protected int buffer_fill(const struct buffer *); 584 585 typedef struct { 586 char *buf; 587 size_t blen; 588 uint32_t offset; 589 } file_pushbuf_t; 590 591 protected file_pushbuf_t *file_push_buffer(struct magic_set *); 592 protected char *file_pop_buffer(struct magic_set *, file_pushbuf_t *); 593 594 #ifndef COMPILE_ONLY 595 extern const char *file_names[]; 596 extern const size_t file_nnames; 597 #endif 598 599 #ifndef strlcpy 600 size_t strlcpy(char *, const char *, size_t); 601 #endif 602 #ifndef strlcat 603 size_t strlcat(char *, const char *, size_t); 604 #endif 605 #ifndef HAVE_STRCASESTR 606 char *strcasestr(const char *, const char *); 607 #endif 608 #ifndef HAVE_GETLINE 609 ssize_t getline(char **, size_t *, FILE *); 610 ssize_t getdelim(char **, size_t *, int, FILE *); 611 #endif 612 #ifndef HAVE_CTIME_R 613 char *ctime_r(const time_t *, char *); 614 #endif 615 #ifndef HAVE_ASCTIME_R 616 char *asctime_r(const struct tm *, char *); 617 #endif 618 619 #if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) && !defined(QUICK) 620 #define QUICK 621 #endif 622 623 #ifndef O_BINARY 624 #define O_BINARY 0 625 #endif 626 #ifndef O_NONBLOCK 627 #define O_NONBLOCK 0 628 #endif 629 630 #ifndef __cplusplus 631 #if defined(__GNUC__) && (__GNUC__ >= 3) 632 #define FILE_RCSID(id) \ 633 static const char rcsid[] __attribute__((__used__)) = id; 634 #else 635 #define FILE_RCSID(id) \ 636 static const char *rcsid(const char *p) { \ 637 return rcsid(p = id); \ 638 } 639 #endif 640 #else 641 #define FILE_RCSID(id) 642 #endif 643 #ifndef __RCSID 644 #define __RCSID(a) 645 #endif 646 647 #endif /* __file_h__ */ 648
