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Diffstat (limited to 'cpio/test/test_format_newc.c')
| -rw-r--r-- | cpio/test/test_format_newc.c | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/cpio/test/test_format_newc.c b/cpio/test/test_format_newc.c new file mode 100644 index 0000000..06749a2 --- /dev/null +++ b/cpio/test/test_format_newc.c @@ -0,0 +1,294 @@ +/*- + * Copyright (c) 2003-2007 Tim Kientzle + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "test.h" +__FBSDID("$FreeBSD: src/usr.bin/cpio/test/test_format_newc.c,v 1.2 2008/08/22 02:09:10 kientzle Exp $"); + +/* Number of bytes needed to pad 'n' to multiple of 'block', assuming + * that 'block' is a power of two. This trick can be more easily + * remembered as -n & (block - 1), but many compilers quite reasonably + * warn about "-n" when n is an unsigned value. (~(n) + 1) is the + * same thing, but written in a way that won't offend anyone. */ +#define PAD(n, block) ((~(n) + 1) & ((block) - 1)) + +static int +is_hex(const char *p, size_t l) +{ + while (l > 0) { + if ((*p >= '0' && *p <= '9') + || (*p >= 'a' && *p <= 'f') + || (*p >= 'A' && *p <= 'F')) + { + --l; + ++p; + } else + return (0); + + } + return (1); +} + +static int +from_hex(const char *p, size_t l) +{ + int r = 0; + + while (l > 0) { + r *= 16; + if (*p >= 'a' && *p <= 'f') + r += *p + 10 - 'a'; + else if (*p >= 'A' && *p <= 'F') + r += *p + 10 - 'A'; + else + r += *p - '0'; + --l; + ++p; + } + return (r); +} + +DEFINE_TEST(test_format_newc) +{ + FILE *list; + int r; + int devmajor, devminor, ino, gid; + int uid = -1; + time_t t, t2, now; + char *p, *e; + size_t s, fs, ns; + + assertUmask(0); + +#if !defined(_WIN32) + uid = getuid(); +#endif + + /* + * Create an assortment of files. + * TODO: Extend this to cover more filetypes. + */ + list = fopen("list", "w"); + + /* "file1" */ + assertMakeFile("file1", 0644, "1234567890"); + fprintf(list, "file1\n"); + + /* "hardlink" */ + assertMakeHardlink("hardlink", "file1"); + fprintf(list, "hardlink\n"); + + /* Another hardlink, but this one won't be archived. */ + assertMakeHardlink("hardlink2", "file1"); + + /* "symlink" */ + if (canSymlink()) { + assertMakeSymlink("symlink", "file1"); + fprintf(list, "symlink\n"); + } + + /* "dir" */ + assertMakeDir("dir", 0775); + fprintf(list, "dir\n"); + + /* Record some facts about what we just created: */ + now = time(NULL); /* They were all created w/in last two seconds. */ + + /* Use the cpio program to create an archive. */ + fclose(list); + r = systemf("%s -o --format=newc <list >newc.out 2>newc.err", + testprog); + if (!assertEqualInt(r, 0)) + return; + + /* Verify that nothing went to stderr. */ + if (canSymlink()) { + assertTextFileContents("2 blocks\n", "newc.err"); + } else { + assertTextFileContents("1 block\n", "newc.err"); + } + + /* Verify that stdout is a well-formed cpio file in "newc" format. */ + p = slurpfile(&s, "newc.out"); + assertEqualInt(s, canSymlink() ? 1024 : 512); + e = p; + + /* + * Some of these assertions could be stronger, but it's + * a little tricky because they depend on the local environment. + */ + + /* First entry is "file1" */ + assert(is_hex(e, 110)); /* Entire header is octal digits. */ + assertEqualMem(e + 0, "070701", 6); /* Magic */ + ino = from_hex(e + 6, 8); /* ino */ +#if defined(_WIN32) && !defined(__CYGWIN__) + /* Group members bits and others bits do not work. */ + assertEqualInt(0x8180, from_hex(e + 14, 8) & 0xffc0); /* Mode */ +#else + assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */ +#endif + if (uid < 0) + uid = from_hex(e + 22, 8); + assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ + gid = from_hex(e + 30, 8); /* gid */ + assertEqualMem(e + 38, "00000003", 8); /* nlink */ + t = from_hex(e + 46, 8); /* mtime */ + failure("t=0x%08x now=0x%08x=%d", t, now, now); + assert(t <= now); /* File wasn't created in future. */ + failure("t=0x%08x now - 2=0x%08x = %d", t, now - 2, now - 2); + assert(t >= now - 2); /* File was created w/in last 2 secs. */ + failure("newc format stores body only with last appearance of a link\n" + " first appearance should be empty, so this file size\n" + " field should be zero"); + assertEqualInt(0, from_hex(e + 54, 8)); /* File size */ + fs = from_hex(e + 54, 8); + fs += PAD(fs, 4); + devmajor = from_hex(e + 62, 8); /* devmajor */ + devminor = from_hex(e + 70, 8); /* devminor */ + assert(is_hex(e + 78, 8)); /* rdevmajor */ + assert(is_hex(e + 86, 8)); /* rdevminor */ + assertEqualMem(e + 94, "00000006", 8); /* Name size */ + ns = from_hex(e + 94, 8); + ns += PAD(ns + 2, 4); + assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ + assertEqualMem(e + 110, "file1\0", 6); /* Name contents */ + /* Since there's another link, no file contents here. */ + /* But add in file size so that an error here doesn't cascade. */ + e += 110 + fs + ns; + + if (canSymlink()) { + /* "symlink" pointing to "file1" */ + assert(is_hex(e, 110)); + assertEqualMem(e + 0, "070701", 6); /* Magic */ + assert(is_hex(e + 6, 8)); /* ino */ + assertEqualInt(0xa1ff, from_hex(e + 14, 8)); /* Mode */ + assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ + assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ + assertEqualMem(e + 38, "00000001", 8); /* nlink */ + t2 = from_hex(e + 46, 8); /* mtime */ + failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2); + assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */ + assertEqualMem(e + 54, "00000005", 8); /* File size */ + fs = from_hex(e + 54, 8); + fs += PAD(fs, 4); + assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */ + assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */ + assert(is_hex(e + 78, 8)); /* rdevmajor */ + assert(is_hex(e + 86, 8)); /* rdevminor */ + assertEqualMem(e + 94, "00000008", 8); /* Name size */ + ns = from_hex(e + 94, 8); + ns += PAD(ns + 2, 4); + assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ + assertEqualMem(e + 110, "symlink\0\0\0", 10); /* Name contents */ + assertEqualMem(e + 110 + ns, "file1\0\0\0", 8); /* symlink target */ + e += 110 + fs + ns; + } + + /* "dir" */ + assert(is_hex(e, 110)); + assertEqualMem(e + 0, "070701", 6); /* Magic */ + assert(is_hex(e + 6, 8)); /* ino */ +#if defined(_WIN32) && !defined(__CYGWIN__) + /* Group members bits and others bits do not work. */ + assertEqualInt(0x41c0, from_hex(e + 14, 8) & 0xffc0); /* Mode */ +#else + /* Mode: sgid bit sometimes propagates from parent dirs, ignore it. */ + assertEqualInt(040775, from_hex(e + 14, 8) & ~02000); +#endif + assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ + assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ +#ifndef NLINKS_INACCURATE_FOR_DIRS + assertEqualMem(e + 38, "00000002", 8); /* nlink */ +#endif + t2 = from_hex(e + 46, 8); /* mtime */ + failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2); + assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */ + assertEqualMem(e + 54, "00000000", 8); /* File size */ + fs = from_hex(e + 54, 8); + fs += PAD(fs, 4); + assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */ + assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */ + assert(is_hex(e + 78, 8)); /* rdevmajor */ + assert(is_hex(e + 86, 8)); /* rdevminor */ + assertEqualMem(e + 94, "00000004", 8); /* Name size */ + ns = from_hex(e + 94, 8); + ns += PAD(ns + 2, 4); + assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ + assertEqualMem(e + 110, "dir\0\0\0", 6); /* Name contents */ + e += 110 + fs + ns; + + /* Hardlink identical to "file1" */ + /* Since we only wrote two of the three links to this + * file, this link should get deferred by the hardlink logic. */ + assert(is_hex(e, 110)); + assertEqualMem(e + 0, "070701", 6); /* Magic */ + failure("If these aren't the same, then the hardlink detection failed to match them."); + assertEqualInt(ino, from_hex(e + 6, 8)); /* ino */ +#if defined(_WIN32) && !defined(__CYGWIN__) + /* Group members bits and others bits do not work. */ + assertEqualInt(0x8180, from_hex(e + 14, 8) & 0xffc0); /* Mode */ +#else + assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */ +#endif + assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ + assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ + assertEqualMem(e + 38, "00000003", 8); /* nlink */ + t2 = from_hex(e + 46, 8); /* mtime */ + failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2); + assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */ + assertEqualInt(10, from_hex(e + 54, 8)); /* File size */ + fs = from_hex(e + 54, 8); + fs += PAD(fs, 4); + assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */ + assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */ + assert(is_hex(e + 78, 8)); /* rdevmajor */ + assert(is_hex(e + 86, 8)); /* rdevminor */ + assertEqualMem(e + 94, "00000009", 8); /* Name size */ + ns = from_hex(e + 94, 8); + ns += PAD(ns + 2, 4); + assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ + assertEqualMem(e + 110, "hardlink\0\0", 10); /* Name contents */ + assertEqualMem(e + 110 + ns, "1234567890\0\0", 12); /* File contents */ + e += 110 + ns + fs; + + /* Last entry is end-of-archive marker. */ + assert(is_hex(e, 110)); + assertEqualMem(e + 0, "070701", 6); /* Magic */ + assertEqualMem(e + 8, "00000000", 8); /* ino */ + assertEqualMem(e + 14, "00000000", 8); /* mode */ + assertEqualMem(e + 22, "00000000", 8); /* uid */ + assertEqualMem(e + 30, "00000000", 8); /* gid */ + assertEqualMem(e + 38, "00000001", 8); /* nlink */ + assertEqualMem(e + 46, "00000000", 8); /* mtime */ + assertEqualMem(e + 54, "00000000", 8); /* size */ + assertEqualMem(e + 62, "00000000", 8); /* devmajor */ + assertEqualMem(e + 70, "00000000", 8); /* devminor */ + assertEqualMem(e + 78, "00000000", 8); /* rdevmajor */ + assertEqualMem(e + 86, "00000000", 8); /* rdevminor */ + assertEqualInt(11, from_hex(e + 94, 8)); /* name size */ + assertEqualMem(e + 102, "00000000", 8); /* check field */ + assertEqualMem(e + 110, "TRAILER!!!\0\0", 12); /* Name */ + + free(p); +} |
