external/bsd/libarchive/dist/cpio/test/test_format_newc.c

   1 /*-
   2  * Copyright (c) 2003-2007 Tim Kientzle
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25 #include "test.h"
  26 __FBSDID("$FreeBSD$");
  27
  28 static int
  29 is_hex(const char *p, size_t l)
  30 {
  31         while (l > 0) {
  32                 if ((*p >= '0' && *p <= '9')
  33                     || (*p >= 'a' && *p <= 'f')
  34                     || (*p >= 'A' && *p <= 'F'))
  35                 {
  36                         --l;
  37                         ++p;
  38                 } else
  39                         return (0);
  40
  41         }
  42         return (1);
  43 }
  44
  45 static int
  46 from_hex(const char *p, size_t l)
  47 {
  48         int r = 0;
  49
  50         while (l > 0) {
  51                 r *= 16;
  52                 if (*p >= 'a' && *p <= 'f')
  53                         r += *p + 10 - 'a';
  54                 else if (*p >= 'A' && *p <= 'F')
  55                         r += *p + 10 - 'A';
  56                 else
  57                         r += *p - '0';
  58                 --l;
  59                 ++p;
  60         }
  61         return (r);
  62 }
  63
  64 DEFINE_TEST(test_format_newc)
  65 {
  66         int fd, list;
  67         int r;
  68         int devmajor, devminor, ino, gid;
  69         time_t t, t2, now;
  70         char *p, *e;
  71         size_t s;
  72         mode_t oldmask;
  73
  74         oldmask = umask(0);
  75
  76         /*
  77          * Create an assortment of files.
  78          * TODO: Extend this to cover more filetypes.
  79          */
  80         list = open("list", O_CREAT | O_WRONLY, 0644);
  81
  82         /* "file1" */
  83         fd = open("file1", O_CREAT | O_WRONLY, 0644);
  84         assert(fd >= 0);
  85         assertEqualInt(10, write(fd, "123456789", 10));
  86         close(fd);
  87         assertEqualInt(6, write(list, "file1\n", 6));
  88
  89         /* "hardlink" */
  90         assertEqualInt(0, link("file1", "hardlink"));
  91         assertEqualInt(9, write(list, "hardlink\n", 9));
  92
  93         /* Another hardlink, but this one won't be archived. */
  94         assertEqualInt(0, link("file1", "hardlink2"));
  95
  96         /* "symlink" */
  97         assertEqualInt(0, symlink("file1", "symlink"));
  98         assertEqualInt(8, write(list, "symlink\n", 8));
  99
 100         /* "dir" */
 101         assertEqualInt(0, mkdir("dir", 0775));
 102         assertEqualInt(4, write(list, "dir\n", 4));
 103
 104         /* Record some facts about what we just created: */
 105         now = time(NULL); /* They were all created w/in last two seconds. */
 106
 107         /* Use the cpio program to create an archive. */
 108         close(list);
 109         r = systemf("%s -o --format=newc <list >newc.out 2>newc.err",
 110             testprog);
 111         if (!assertEqualInt(r, 0))
 112                 return;
 113
 114         /* Verify that nothing went to stderr. */
 115         assertFileContents("2 blocks\n", 9, "newc.err");
 116
 117         /* Verify that stdout is a well-formed cpio file in "newc" format. */
 118         p = slurpfile(&s, "newc.out");
 119         assertEqualInt(s, 1024);
 120         e = p;
 121
 122         /*
 123          * Some of these assertions could be stronger, but it's
 124          * a little tricky because they depend on the local environment.
 125          */
 126
 127         /* First entry is "file1" */
 128         assert(is_hex(e, 110)); /* Entire header is octal digits. */
 129         assertEqualMem(e + 0, "070701", 6); /* Magic */
 130         ino = from_hex(e + 6, 8); /* ino */
 131         assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */
 132         assertEqualInt(from_hex(e + 22, 8), getuid()); /* uid */
 133         gid = from_hex(e + 30, 8); /* gid */
 134         assertEqualMem(e + 38, "00000003", 8); /* nlink */
 135         t = from_hex(e + 46, 8); /* mtime */
 136         failure("t=0x%08x now=0x%08x=%d", t, now, now);
 137         assert(t <= now); /* File wasn't created in future. */
 138         failure("t=0x%08x now - 2=0x%08x = %d", t, now - 2, now - 2);
 139         assert(t >= now - 2); /* File was created w/in last 2 secs. */
 140         failure("newc format stores body only with last appearance of a link\n"
 141             "       first appearance should be empty, so this file size\n"
 142             "       field should be zero");
 143         assertEqualInt(0, from_hex(e + 54, 8)); /* File size */
 144         devmajor = from_hex(e + 62, 8); /* devmajor */
 145         devminor = from_hex(e + 70, 8); /* devminor */
 146         assert(is_hex(e + 78, 8)); /* rdevmajor */
 147         assert(is_hex(e + 86, 8)); /* rdevminor */
 148         assertEqualMem(e + 94, "00000006", 8); /* Name size */
 149         assertEqualInt(0, from_hex(e + 102, 8)); /* check field */
 150         assertEqualMem(e + 110, "file1\0", 6); /* Name contents */
 151         /* Since there's another link, no file contents here. */
 152         /* But add in file size so that an error here doesn't cascade. */
 153         e += 116 + from_hex(e + 54, 8) + (3 & -from_hex(e + 54, 8));
 154         /* "symlink" pointing to "file1" */
 155         assert(is_hex(e, 110));
 156         assertEqualMem(e + 0, "070701", 6); /* Magic */
 157         assert(is_hex(e + 6, 8)); /* ino */
 158         assertEqualInt(0xa1ff, from_hex(e + 14, 8)); /* Mode */
 159         assertEqualInt(from_hex(e + 22, 8), getuid()); /* uid */
 160         assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */
 161         assertEqualMem(e + 38, "00000001", 8); /* nlink */
 162         t2 = from_hex(e + 46, 8); /* mtime */
 163         failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2);
 164         assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */
 165         assertEqualMem(e + 54, "00000005", 8); /* File size */
 166         assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */
 167         assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */
 168         assert(is_hex(e + 78, 8)); /* rdevmajor */
 169         assert(is_hex(e + 86, 8)); /* rdevminor */
 170         assertEqualMem(e + 94, "00000008", 8); /* Name size */
 171         assertEqualInt(0, from_hex(e + 102, 8)); /* check field */
 172         assertEqualMem(e + 110, "symlink\0\0\0", 10); /* Name contents */
 173         assertEqualMem(e + 120, "file1\0\0\0", 8); /* symlink target */
 174         e += 120 + from_hex(e + 54, 8) + (3 & -from_hex(e + 54, 8));
 175
 176         /* "dir" */
 177         assert(is_hex(e, 110));
 178         assertEqualMem(e + 0, "070701", 6); /* Magic */
 179         assert(is_hex(e + 6, 8)); /* ino */
 180         assertEqualInt(0x41fd, from_hex(e + 14, 8)); /* Mode */
 181         assertEqualInt(from_hex(e + 22, 8), getuid()); /* uid */
 182         assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */
 183         assertEqualMem(e + 38, "00000002", 8); /* nlink */
 184         t2 = from_hex(e + 46, 8); /* mtime */
 185         failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2);
 186         assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */
 187         assertEqualMem(e + 54, "00000000", 8); /* File size */
 188         assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */
 189         assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */
 190         assert(is_hex(e + 78, 8)); /* rdevmajor */
 191         assert(is_hex(e + 86, 8)); /* rdevminor */
 192         assertEqualMem(e + 94, "00000004", 8); /* Name size */
 193         assertEqualInt(0, from_hex(e + 102, 8)); /* check field */
 194         assertEqualMem(e + 110, "dir\0\0\0", 6); /* Name contents */
 195         e += 116;
 196
 197         /* TODO: Verify other types of entries. */
 198
 199         /* Hardlink identical to "file1" */
 200         /* Since we only wrote two of the three links to this
 201          * file, this link should get deferred by the hardlink logic. */
 202         assert(is_hex(e, 110));
 203         assertEqualMem(e + 0, "070701", 6); /* Magic */
 204         failure("If these aren't the same, then the hardlink detection failed to match them.");
 205         assertEqualInt(ino, from_hex(e + 6, 8)); /* ino */
 206         assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */
 207         assertEqualInt(from_hex(e + 22, 8), getuid()); /* uid */
 208         assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */
 209         assertEqualMem(e + 38, "00000003", 8); /* nlink */
 210         t2 = from_hex(e + 46, 8); /* mtime */
 211         failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2);
 212         assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */
 213         assertEqualInt(10, from_hex(e + 54, 8)); /* File size */
 214         assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */
 215         assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */
 216         assert(is_hex(e + 78, 8)); /* rdevmajor */
 217         assert(is_hex(e + 86, 8)); /* rdevminor */
 218         assertEqualMem(e + 94, "00000009", 8); /* Name size */
 219         assertEqualInt(0, from_hex(e + 102, 8)); /* check field */
 220         assertEqualMem(e + 110, "hardlink\0\0", 10); /* Name contents */
 221         assertEqualMem(e + 120, "123456789\0\0\0", 12); /* File contents */
 222         e += 120 + from_hex(e + 54, 8) + (3 & -from_hex(e + 54, 8));
 223
 224         /* Last entry is end-of-archive marker. */
 225         assert(is_hex(e, 110));
 226         assertEqualMem(e + 0, "070701", 6); /* Magic */
 227         assertEqualMem(e + 8, "00000000", 8); /* ino */
 228         assertEqualMem(e + 14, "00000000", 8); /* mode */
 229         assertEqualMem(e + 22, "00000000", 8); /* uid */
 230         assertEqualMem(e + 30, "00000000", 8); /* gid */
 231         assertEqualMem(e + 38, "00000001", 8); /* nlink */
 232         assertEqualMem(e + 46, "00000000", 8); /* mtime */
 233         assertEqualMem(e + 54, "00000000", 8); /* size */
 234         assertEqualMem(e + 62, "00000000", 8); /* devmajor */
 235         assertEqualMem(e + 70, "00000000", 8); /* devminor */
 236         assertEqualMem(e + 78, "00000000", 8); /* rdevmajor */
 237         assertEqualMem(e + 86, "00000000", 8); /* rdevminor */
 238         assertEqualInt(11, from_hex(e + 94, 8)); /* name size */
 239         assertEqualMem(e + 102, "00000000", 8); /* check field */
 240         assertEqualMem(e + 110, "TRAILER!!!\0\0", 12); /* Name */
 241
 242         free(p);
 243
 244         umask(oldmask);
 245 }