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 1.206 2019/05/07 02:27:11 christos Exp $ 31 */ 32 33 #ifndef __file_h__ 34 #define __file_h__ 35 36 #ifdef HAVE_CONFIG_H 37 #include <config.h> 38 #endif 39 #ifdef HAVE_STDINT_H 40 #ifndef __STDC_LIMIT_MACROS 41 #define __STDC_LIMIT_MACROS 42 #endif 43 #ifndef __STDC_FORMAT_MACROS 44 #define __STDC_FORMAT_MACROS 45 #endif 46 47 #ifdef WIN32 48 #ifdef _WIN64 49 #define SIZE_T_FORMAT "I64" 50 #else 51 #define SIZE_T_FORMAT "" 52 #endif 53 #define INT64_T_FORMAT "I64" 54 #define INTMAX_T_FORMAT "I64" 55 #else 56 #define SIZE_T_FORMAT "z" 57 #define INT64_T_FORMAT "ll" 58 #define INTMAX_T_FORMAT "j" 59 #endif 60 #include <stdint.h> 61 #endif 62 63 #include <stdio.h> /* Include that here, to make sure __P gets defined */ 64 #include <errno.h> 65 #include <fcntl.h> /* For open and flags */ 66 #ifdef HAVE_INTTYPES_H 67 #include <inttypes.h> 68 #endif 69 #include <regex.h> 70 #include <time.h> 71 #include <sys/types.h> 72 #ifndef WIN32 73 #include <sys/param.h> 74 #endif 75 /* Do this here and now, because struct stat gets re-defined on solaris */ 76 #include <sys/stat.h> 77 #include <stdarg.h> 78 79 #define ENABLE_CONDITIONALS 80 81 #ifndef MAGIC 82 #define MAGIC "/etc/magic" 83 #endif 84 85 #if defined(__EMX__) || defined (WIN32) 86 #define PATHSEP ';' 87 #else 88 #define PATHSEP ':' 89 #endif 90 91 #define private static 92 93 #if HAVE_VISIBILITY && !defined(WIN32) 94 #define public __attribute__ ((__visibility__("default"))) 95 #ifndef protected 96 #define protected __attribute__ ((__visibility__("hidden"))) 97 #endif 98 #else 99 #define public 100 #ifndef protected 101 #define protected 102 #endif 103 #endif 104 105 #ifndef __arraycount 106 #define __arraycount(a) (sizeof(a) / sizeof(a[0])) 107 #endif 108 109 #ifndef __GNUC_PREREQ__ 110 #ifdef __GNUC__ 111 #define __GNUC_PREREQ__(x, y) \ 112 ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ 113 (__GNUC__ > (x))) 114 #else 115 #define __GNUC_PREREQ__(x, y) 0 116 #endif 117 #endif 118 119 #ifndef __GNUC__ 120 #ifndef __attribute__ 121 #define __attribute__(a) 122 #endif 123 #endif 124 125 #ifndef MIN 126 #define MIN(a,b) (((a) < (b)) ? (a) : (b)) 127 #endif 128 129 #ifndef MAX 130 #define MAX(a,b) (((a) > (b)) ? (a) : (b)) 131 #endif 132 133 #ifndef FILE_BYTES_MAX 134 # define FILE_BYTES_MAX (1024 * 1024) /* how much of the file to look at */ 135 #endif 136 #define MAXMAGIS 8192 /* max entries in any one magic file 137 or directory */ 138 #define MAXDESC 64 /* max len of text description/MIME type */ 139 #define MAXMIME 80 /* max len of text MIME type */ 140 #define MAXstring 96 /* max len of "string" types */ 141 142 #define MAGICNO 0xF11E041C 143 #define VERSIONNO 14 144 #define FILE_MAGICSIZE 344 145 146 #define FILE_LOAD 0 147 #define FILE_CHECK 1 148 #define FILE_COMPILE 2 149 #define FILE_LIST 3 150 151 struct buffer { 152 int fd; 153 struct stat st; 154 const void *fbuf; 155 size_t flen; 156 off_t eoff; 157 void *ebuf; 158 size_t elen; 159 }; 160 161 union VALUETYPE { 162 uint8_t b; 163 uint16_t h; 164 uint32_t l; 165 uint64_t q; 166 uint8_t hs[2]; /* 2 bytes of a fixed-endian "short" */ 167 uint8_t hl[4]; /* 4 bytes of a fixed-endian "long" */ 168 uint8_t hq[8]; /* 8 bytes of a fixed-endian "quad" */ 169 char s[MAXstring]; /* the search string or regex pattern */ 170 unsigned char us[MAXstring]; 171 float f; 172 double d; 173 }; 174 175 struct magic { 176 /* Word 1 */ 177 uint16_t cont_level; /* level of ">" */ 178 uint8_t flag; 179 #define INDIR 0x01 /* if '(...)' appears */ 180 #define OFFADD 0x02 /* if '>&' or '>...(&' appears */ 181 #define INDIROFFADD 0x04 /* if '>&(' appears */ 182 #define UNSIGNED 0x08 /* comparison is unsigned */ 183 #define NOSPACE 0x10 /* suppress space character before output */ 184 #define BINTEST 0x20 /* test is for a binary type (set only 185 for top-level tests) */ 186 #define TEXTTEST 0x40 /* for passing to file_softmagic */ 187 188 uint8_t factor; 189 190 /* Word 2 */ 191 uint8_t reln; /* relation (0=eq, '>'=gt, etc) */ 192 uint8_t vallen; /* length of string value, if any */ 193 uint8_t type; /* comparison type (FILE_*) */ 194 uint8_t in_type; /* type of indirection */ 195 #define FILE_INVALID 0 196 #define FILE_BYTE 1 197 #define FILE_SHORT 2 198 #define FILE_DEFAULT 3 199 #define FILE_LONG 4 200 #define FILE_STRING 5 201 #define FILE_DATE 6 202 #define FILE_BESHORT 7 203 #define FILE_BELONG 8 204 #define FILE_BEDATE 9 205 #define FILE_LESHORT 10 206 #define FILE_LELONG 11 207 #define FILE_LEDATE 12 208 #define FILE_PSTRING 13 209 #define FILE_LDATE 14 210 #define FILE_BELDATE 15 211 #define FILE_LELDATE 16 212 #define FILE_REGEX 17 213 #define FILE_BESTRING16 18 214 #define FILE_LESTRING16 19 215 #define FILE_SEARCH 20 216 #define FILE_MEDATE 21 217 #define FILE_MELDATE 22 218 #define FILE_MELONG 23 219 #define FILE_QUAD 24 220 #define FILE_LEQUAD 25 221 #define FILE_BEQUAD 26 222 #define FILE_QDATE 27 223 #define FILE_LEQDATE 28 224 #define FILE_BEQDATE 29 225 #define FILE_QLDATE 30 226 #define FILE_LEQLDATE 31 227 #define FILE_BEQLDATE 32 228 #define FILE_FLOAT 33 229 #define FILE_BEFLOAT 34 230 #define FILE_LEFLOAT 35 231 #define FILE_DOUBLE 36 232 #define FILE_BEDOUBLE 37 233 #define FILE_LEDOUBLE 38 234 #define FILE_BEID3 39 235 #define FILE_LEID3 40 236 #define FILE_INDIRECT 41 237 #define FILE_QWDATE 42 238 #define FILE_LEQWDATE 43 239 #define FILE_BEQWDATE 44 240 #define FILE_NAME 45 241 #define FILE_USE 46 242 #define FILE_CLEAR 47 243 #define FILE_DER 48 244 #define FILE_NAMES_SIZE 49 /* size of array to contain all names */ 245 246 #define IS_STRING(t) \ 247 ((t) == FILE_STRING || \ 248 (t) == FILE_PSTRING || \ 249 (t) == FILE_BESTRING16 || \ 250 (t) == FILE_LESTRING16 || \ 251 (t) == FILE_REGEX || \ 252 (t) == FILE_SEARCH || \ 253 (t) == FILE_INDIRECT || \ 254 (t) == FILE_NAME || \ 255 (t) == FILE_USE) 256 257 #define FILE_FMT_NONE 0 258 #define FILE_FMT_NUM 1 /* "cduxXi" */ 259 #define FILE_FMT_STR 2 /* "s" */ 260 #define FILE_FMT_QUAD 3 /* "ll" */ 261 #define FILE_FMT_FLOAT 4 /* "eEfFgG" */ 262 #define FILE_FMT_DOUBLE 5 /* "eEfFgG" */ 263 264 /* Word 3 */ 265 uint8_t in_op; /* operator for indirection */ 266 uint8_t mask_op; /* operator for mask */ 267 #ifdef ENABLE_CONDITIONALS 268 uint8_t cond; /* conditional type */ 269 #else 270 uint8_t dummy; 271 #endif 272 uint8_t factor_op; 273 #define FILE_FACTOR_OP_PLUS '+' 274 #define FILE_FACTOR_OP_MINUS '-' 275 #define FILE_FACTOR_OP_TIMES '*' 276 #define FILE_FACTOR_OP_DIV '/' 277 #define FILE_FACTOR_OP_NONE '\0' 278 279 #define FILE_OPS "&|^+-*/%" 280 #define FILE_OPAND 0 281 #define FILE_OPOR 1 282 #define FILE_OPXOR 2 283 #define FILE_OPADD 3 284 #define FILE_OPMINUS 4 285 #define FILE_OPMULTIPLY 5 286 #define FILE_OPDIVIDE 6 287 #define FILE_OPMODULO 7 288 #define FILE_OPS_MASK 0x07 /* mask for above ops */ 289 #define FILE_UNUSED_1 0x08 290 #define FILE_UNUSED_2 0x10 291 #define FILE_OPSIGNED 0x20 292 #define FILE_OPINVERSE 0x40 293 #define FILE_OPINDIRECT 0x80 294 295 #ifdef ENABLE_CONDITIONALS 296 #define COND_NONE 0 297 #define COND_IF 1 298 #define COND_ELIF 2 299 #define COND_ELSE 3 300 #endif /* ENABLE_CONDITIONALS */ 301 302 /* Word 4 */ 303 int32_t offset; /* offset to magic number */ 304 /* Word 5 */ 305 int32_t in_offset; /* offset from indirection */ 306 /* Word 6 */ 307 uint32_t lineno; /* line number in magic file */ 308 /* Word 7,8 */ 309 union { 310 uint64_t _mask; /* for use with numeric and date types */ 311 struct { 312 uint32_t _count; /* repeat/line count */ 313 uint32_t _flags; /* modifier flags */ 314 } _s; /* for use with string types */ 315 } _u; 316 #define num_mask _u._mask 317 #define str_range _u._s._count 318 #define str_flags _u._s._flags 319 /* Words 9-24 */ 320 union VALUETYPE value; /* either number or string */ 321 /* Words 25-40 */ 322 char desc[MAXDESC]; /* description */ 323 /* Words 41-60 */ 324 char mimetype[MAXMIME]; /* MIME type */ 325 /* Words 61-62 */ 326 char apple[8]; /* APPLE CREATOR/TYPE */ 327 /* Words 63-78 */ 328 char ext[64]; /* Popular extensions */ 329 }; 330 331 #define BIT(A) (1 << (A)) 332 #define STRING_COMPACT_WHITESPACE BIT(0) 333 #define STRING_COMPACT_OPTIONAL_WHITESPACE BIT(1) 334 #define STRING_IGNORE_LOWERCASE BIT(2) 335 #define STRING_IGNORE_UPPERCASE BIT(3) 336 #define REGEX_OFFSET_START BIT(4) 337 #define STRING_TEXTTEST BIT(5) 338 #define STRING_BINTEST BIT(6) 339 #define PSTRING_1_BE BIT(7) 340 #define PSTRING_1_LE BIT(7) 341 #define PSTRING_2_BE BIT(8) 342 #define PSTRING_2_LE BIT(9) 343 #define PSTRING_4_BE BIT(10) 344 #define PSTRING_4_LE BIT(11) 345 #define REGEX_LINE_COUNT BIT(11) 346 #define PSTRING_LEN \ 347 (PSTRING_1_BE|PSTRING_2_LE|PSTRING_2_BE|PSTRING_4_LE|PSTRING_4_BE) 348 #define PSTRING_LENGTH_INCLUDES_ITSELF BIT(12) 349 #define STRING_TRIM BIT(13) 350 #define CHAR_COMPACT_WHITESPACE 'W' 351 #define CHAR_COMPACT_OPTIONAL_WHITESPACE 'w' 352 #define CHAR_IGNORE_LOWERCASE 'c' 353 #define CHAR_IGNORE_UPPERCASE 'C' 354 #define CHAR_REGEX_OFFSET_START 's' 355 #define CHAR_TEXTTEST 't' 356 #define CHAR_TRIM 'T' 357 #define CHAR_BINTEST 'b' 358 #define CHAR_PSTRING_1_BE 'B' 359 #define CHAR_PSTRING_1_LE 'B' 360 #define CHAR_PSTRING_2_BE 'H' 361 #define CHAR_PSTRING_2_LE 'h' 362 #define CHAR_PSTRING_4_BE 'L' 363 #define CHAR_PSTRING_4_LE 'l' 364 #define CHAR_PSTRING_LENGTH_INCLUDES_ITSELF 'J' 365 #define STRING_IGNORE_CASE (STRING_IGNORE_LOWERCASE|STRING_IGNORE_UPPERCASE) 366 #define STRING_DEFAULT_RANGE 100 367 368 #define INDIRECT_RELATIVE BIT(0) 369 #define CHAR_INDIRECT_RELATIVE 'r' 370 371 /* list of magic entries */ 372 struct mlist { 373 struct magic *magic; /* array of magic entries */ 374 uint32_t nmagic; /* number of entries in array */ 375 void *map; /* internal resources used by entry */ 376 struct mlist *next, *prev; 377 }; 378 379 #ifdef __cplusplus 380 #define CAST(T, b) static_cast<T>(b) 381 #define RCAST(T, b) reinterpret_cast<T>(b) 382 #define CCAST(T, b) const_cast<T>(b) 383 #else 384 #define CAST(T, b) ((T)(b)) 385 #define RCAST(T, b) ((T)(uintptr_t)(b)) 386 #define CCAST(T, b) ((T)(uintptr_t)(b)) 387 #endif 388 389 struct level_info { 390 int32_t off; 391 int got_match; 392 #ifdef ENABLE_CONDITIONALS 393 int last_match; 394 int last_cond; /* used for error checking by parse() */ 395 #endif 396 }; 397 398 #define MAGIC_SETS 2 399 400 struct magic_set { 401 struct mlist *mlist[MAGIC_SETS]; /* list of regular entries */ 402 struct cont { 403 size_t len; 404 struct level_info *li; 405 } c; 406 struct out { 407 char *buf; /* Accumulation buffer */ 408 char *pbuf; /* Printable buffer */ 409 } o; 410 uint32_t offset; /* a copy of m->offset while we */ 411 /* are working on the magic entry */ 412 uint32_t eoffset; /* offset from end of file */ 413 int error; 414 int flags; /* Control magic tests. */ 415 int event_flags; /* Note things that happened. */ 416 #define EVENT_HAD_ERR 0x01 417 const char *file; 418 size_t line; /* current magic line number */ 419 mode_t mode; /* copy of current stat mode */ 420 421 /* data for searches */ 422 struct { 423 const char *s; /* start of search in original source */ 424 size_t s_len; /* length of search region */ 425 size_t offset; /* starting offset in source: XXX - should this be off_t? */ 426 size_t rm_len; /* match length */ 427 } search; 428 429 /* FIXME: Make the string dynamically allocated so that e.g. 430 strings matched in files can be longer than MAXstring */ 431 union VALUETYPE ms_value; /* either number or string */ 432 uint16_t indir_max; 433 uint16_t name_max; 434 uint16_t elf_shnum_max; 435 uint16_t elf_phnum_max; 436 uint16_t elf_notes_max; 437 uint16_t regex_max; 438 size_t bytes_max; /* number of bytes to read from file */ 439 #define FILE_INDIR_MAX 50 440 #define FILE_NAME_MAX 30 441 #define FILE_ELF_SHNUM_MAX 32768 442 #define FILE_ELF_PHNUM_MAX 2048 443 #define FILE_ELF_NOTES_MAX 256 444 #define FILE_REGEX_MAX 8192 445 }; 446 447 /* Type for Unicode characters */ 448 typedef unsigned long unichar; 449 450 struct stat; 451 #define FILE_T_LOCAL 1 452 #define FILE_T_WINDOWS 2 453 protected const char *file_fmttime(uint64_t, int, char *); 454 protected struct magic_set *file_ms_alloc(int); 455 protected void file_ms_free(struct magic_set *); 456 protected int file_default(struct magic_set *, size_t); 457 protected int file_buffer(struct magic_set *, int, struct stat *, const char *, 458 const void *, size_t); 459 protected int file_fsmagic(struct magic_set *, const char *, struct stat *); 460 protected int file_pipe2file(struct magic_set *, int, const void *, size_t); 461 protected int file_vprintf(struct magic_set *, const char *, va_list) 462 __attribute__((__format__(__printf__, 2, 0))); 463 protected int file_separator(struct magic_set *); 464 protected size_t file_printedlen(const struct magic_set *); 465 protected int file_replace(struct magic_set *, const char *, const char *); 466 protected int file_printf(struct magic_set *, const char *, ...) 467 __attribute__((__format__(__printf__, 2, 3))); 468 protected int file_reset(struct magic_set *, int); 469 protected int file_tryelf(struct magic_set *, const struct buffer *); 470 protected int file_trycdf(struct magic_set *, const struct buffer *); 471 #if HAVE_FORK 472 protected int file_zmagic(struct magic_set *, const struct buffer *, 473 const char *); 474 #endif 475 protected int file_ascmagic(struct magic_set *, const struct buffer *, 476 int); 477 protected int file_ascmagic_with_encoding(struct magic_set *, 478 const struct buffer *, unichar *, size_t, const char *, const char *, int); 479 protected int file_encoding(struct magic_set *, const struct buffer *, 480 unichar **, size_t *, const char **, const char **, const char **); 481 protected int file_is_json(struct magic_set *, const struct buffer *); 482 protected int file_is_tar(struct magic_set *, const struct buffer *); 483 protected int file_softmagic(struct magic_set *, const struct buffer *, 484 uint16_t *, uint16_t *, int, int); 485 protected int file_apprentice(struct magic_set *, const char *, int); 486 protected int buffer_apprentice(struct magic_set *, struct magic **, 487 size_t *, size_t); 488 protected int file_magicfind(struct magic_set *, const char *, struct mlist *); 489 protected uint64_t file_signextend(struct magic_set *, struct magic *, 490 uint64_t); 491 protected void file_badread(struct magic_set *); 492 protected void file_badseek(struct magic_set *); 493 protected void file_oomem(struct magic_set *, size_t); 494 protected void file_error(struct magic_set *, int, const char *, ...) 495 __attribute__((__format__(__printf__, 3, 4))); 496 protected void file_magerror(struct magic_set *, const char *, ...) 497 __attribute__((__format__(__printf__, 2, 3))); 498 protected void file_magwarn(struct magic_set *, const char *, ...) 499 __attribute__((__format__(__printf__, 2, 3))); 500 protected void file_mdump(struct magic *); 501 protected void file_showstr(FILE *, const char *, size_t); 502 protected size_t file_mbswidth(const char *); 503 protected const char *file_getbuffer(struct magic_set *); 504 protected ssize_t sread(int, void *, size_t, int); 505 protected int file_check_mem(struct magic_set *, unsigned int); 506 protected int file_looks_utf8(const unsigned char *, size_t, unichar *, 507 size_t *); 508 protected size_t file_pstring_length_size(const struct magic *); 509 protected size_t file_pstring_get_length(const struct magic *, const char *); 510 protected char * file_printable(char *, size_t, const char *, size_t); 511 #ifdef __EMX__ 512 protected int file_os2_apptype(struct magic_set *, const char *, const void *, 513 size_t); 514 #endif /* __EMX__ */ 515 516 protected void buffer_init(struct buffer *, int, const struct stat *, 517 const void *, size_t); 518 protected void buffer_fini(struct buffer *); 519 protected int buffer_fill(const struct buffer *); 520 521 #include <locale.h> 522 #if defined(HAVE_XLOCALE_H) 523 #include <xlocale.h> 524 #endif 525 526 typedef struct { 527 const char *pat; 528 #if defined(HAVE_NEWLOCALE) && defined(HAVE_USELOCALE) && defined(HAVE_FREELOCALE) 529 #define USE_C_LOCALE 530 locale_t old_lc_ctype; 531 locale_t c_lc_ctype; 532 #else 533 char *old_lc_ctype; 534 #endif 535 int rc; 536 regex_t rx; 537 } file_regex_t; 538 539 protected int file_regcomp(file_regex_t *, const char *, int); 540 protected int file_regexec(file_regex_t *, const char *, size_t, regmatch_t *, 541 int); 542 protected void file_regfree(file_regex_t *); 543 protected void file_regerror(file_regex_t *, int, struct magic_set *); 544 545 typedef struct { 546 char *buf; 547 uint32_t offset; 548 } file_pushbuf_t; 549 550 protected file_pushbuf_t *file_push_buffer(struct magic_set *); 551 protected char *file_pop_buffer(struct magic_set *, file_pushbuf_t *); 552 553 #ifndef COMPILE_ONLY 554 extern const char *file_names[]; 555 extern const size_t file_nnames; 556 #endif 557 558 #ifndef HAVE_PREAD 559 ssize_t pread(int, void *, size_t, off_t); 560 #endif 561 #ifndef HAVE_VASPRINTF 562 int vasprintf(char **, const char *, va_list); 563 #endif 564 #ifndef HAVE_ASPRINTF 565 int asprintf(char **, const char *, ...); 566 #endif 567 #ifndef HAVE_DPRINTF 568 int dprintf(int, const char *, ...); 569 #endif 570 571 #ifndef HAVE_STRLCPY 572 size_t strlcpy(char *, const char *, size_t); 573 #endif 574 #ifndef HAVE_STRLCAT 575 size_t strlcat(char *, const char *, size_t); 576 #endif 577 #ifndef HAVE_STRCASESTR 578 char *strcasestr(const char *, const char *); 579 #endif 580 #ifndef HAVE_GETLINE 581 ssize_t getline(char **, size_t *, FILE *); 582 ssize_t getdelim(char **, size_t *, int, FILE *); 583 #endif 584 #ifndef HAVE_CTIME_R 585 char *ctime_r(const time_t *, char *); 586 #endif 587 #ifndef HAVE_ASCTIME_R 588 char *asctime_r(const struct tm *, char *); 589 #endif 590 #ifndef HAVE_GMTIME_R 591 struct tm *gmtime_r(const time_t *, struct tm *); 592 #endif 593 #ifndef HAVE_LOCALTIME_R 594 struct tm *localtime_r(const time_t *, struct tm *); 595 #endif 596 #ifndef HAVE_FMTCHECK 597 const char *fmtcheck(const char *, const char *) 598 __attribute__((__format_arg__(2))); 599 #endif 600 601 #ifdef HAVE_LIBSECCOMP 602 // basic filter 603 // this mode should not interfere with normal operations 604 // only some dangerous syscalls are blacklisted 605 int enable_sandbox_basic(void); 606 607 // enhanced filter 608 // this mode allows only the necessary syscalls used during normal operation 609 // extensive testing required !!! 610 int enable_sandbox_full(void); 611 #endif 612 613 protected const char *file_getprogname(void); 614 protected void file_setprogname(const char *); 615 protected void file_err(int, const char *, ...) 616 __attribute__((__format__(__printf__, 2, 3), __noreturn__)); 617 protected void file_errx(int, const char *, ...) 618 __attribute__((__format__(__printf__, 2, 3), __noreturn__)); 619 protected void file_warn(const char *, ...) 620 __attribute__((__format__(__printf__, 1, 2))); 621 protected void file_warnx(const char *, ...) 622 __attribute__((__format__(__printf__, 1, 2))); 623 624 #if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) && !defined(QUICK) 625 #define QUICK 626 #endif 627 628 #ifndef O_BINARY 629 #define O_BINARY 0 630 #endif 631 #ifndef O_NONBLOCK 632 #define O_NONBLOCK 0 633 #endif 634 635 #ifndef __cplusplus 636 #if defined(__GNUC__) && (__GNUC__ >= 3) 637 #define FILE_RCSID(id) \ 638 static const char rcsid[] __attribute__((__used__)) = id; 639 #else 640 #define FILE_RCSID(id) \ 641 static const char *rcsid(const char *p) { \ 642 return rcsid(p = id); \ 643 } 644 #endif 645 #else 646 #define FILE_RCSID(id) 647 #endif 648 #ifndef __RCSID 649 #define __RCSID(a) 650 #endif 651 652 #endif /* __file_h__ */ 653