diff options
| -rw-r--r-- | toys/posix/file.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/toys/posix/file.c b/toys/posix/file.c index 2370be79..d1e425bd 100644 --- a/toys/posix/file.c +++ b/toys/posix/file.c @@ -216,7 +216,7 @@ static void do_regular_file(int fd, char *name) if (!len) xputs("empty"); // 45 bytes: https://www.muppetlabs.com/~breadbox/software/tiny/teensy.html else if (len>=45 && strstart(&s, "\177ELF")) do_elf_file(fd); - else if (len>=8 && strstart(&s, "!<arch>\n")) xprintf("ar archive\n"); + else if (len>=8 && strstart(&s, "!<arch>\n")) xputs("ar archive"); else if (len>28 && strstart(&s, "\x89PNG\x0d\x0a\x1a\x0a")) { // PNG is big-endian: https://www.w3.org/TR/PNG/#7Integers-and-byte-order int chunk_length = peek_be(s, 4); @@ -268,7 +268,7 @@ static void do_regular_file(int fd, char *name) xprintf("ASCII cpio archive (%s)\n", cpioformat); } else if (len>33 && (magic=peek(&s,2), magic==0143561 || magic==070707)) { if (magic == 0143561) printf("byte-swapped "); - xprintf("cpio archive\n"); + xputs("cpio archive"); // tar archive (old, ustar/pax, or gnu) } else if (len>500 && is_tar_header(s)) xprintf("%s tar archive%s\n", s[257] ? "POSIX" : "old", @@ -283,7 +283,7 @@ static void do_regular_file(int fd, char *name) } else if (len>4 && strstart(&s, "BZh") && isdigit(*s)) xprintf("bzip2 compressed data, block size = %c00k\n", *s); else if (len > 31 && peek_be(s, 7) == 0xfd377a585a0000) - xprintf("xz compressed data"); + xputs("xz compressed data"); else if (len>10 && strstart(&s, "\x1f\x8b")) xputs("gzip compressed data"); else if (len>32 && !memcmp(s+1, "\xfa\xed\xfe", 3)) { int bit = s[0]=='\xce'?32:64; @@ -355,6 +355,10 @@ static void do_regular_file(int fd, char *name) } else if (len>12 && !memcmp(s, "ttcf\x00", 5)) { xprintf("TrueType font collection, version %d, %d fonts\n", (int)peek_be(s+4, 2), (int)peek_be(s+8, 4)); + + // https://docs.microsoft.com/en-us/typography/opentype/spec/otff + } else if (len>12 && !memcmp(s, "OTTO", 4)) { + xputs("OpenType font"); } else if (len>4 && !memcmp(s, "BC\xc0\xde", 4)) { xputs("LLVM IR bitcode"); } else if (strstart(&s, "-----BEGIN CERTIFICATE-----")) { @@ -380,6 +384,26 @@ static void do_regular_file(int fd, char *name) int w = peek_le(s+0x12,4), h = peek_le(s+0x16,4), bpp = peek_le(s+0x1c,2); xprintf("BMP image, %d x %d, %d bpp\n", w, h, bpp); + + // https://github.com/torvalds/linux/blob/master/tools/perf/Documentation/perf.data-file-format.txt + } else if (len>=104 && !memcmp(s, "PERFILE2", 8)) { + xputs("Linux perf data"); + + // https://android.googlesource.com/platform/system/core/+/master/libsparse/sparse_format.h + } else if (len>28 && peek_le(s, 4) == 0xed26ff3a) { + xprintf("Android sparse image v%d.%d, %d %d-byte blocks (%d chunks)\n", + (int) peek_le(s+4, 2), (int) peek_le(s+6, 2), (int) peek_le(s+16, 4), + (int) peek_le(s+12, 4), (int) peek_le(s+20, 4)); + + // https://android.googlesource.com/platform/system/tools/mkbootimg/+/refs/heads/master/include/bootimg/bootimg.h + } else if (len>1632 && !memcmp(s, "ANDROID!", 8)) { + xprintf("Android boot image v%d\n", (int) peek_le(s+40, 4)); + + // https://source.android.com/devices/architecture/dto/partitions + } else if (len>32 && peek_be(s, 4) == 0xd7b7ab1e) { + xprintf("Android DTB/DTBO v%d, %d entries\n", (int) peek_be(s+28, 4), + (int) peek_be(s+16, 4)); + } else { char *what = 0; int i, bytes; |