external/bsd/pkg_install/dist/admin/check.c

   1 /*      $NetBSD: check.c,v 1.1.1.4 2010/01/30 21:33:23 joerg Exp $      */
   2
   3 #if HAVE_CONFIG_H
   4 #include "config.h"
   5 #endif
   6 #include <nbcompat.h>
   7 #if HAVE_SYS_CDEFS_H
   8 #include <sys/cdefs.h>
   9 #endif
  10 __RCSID("$NetBSD: check.c,v 1.1.1.4 2010/01/30 21:33:23 joerg Exp $");
  11
  12 /*-
  13  * Copyright (c) 1999-2008 The NetBSD Foundation, Inc.
  14  * All rights reserved.
  15  *
  16  * This code is derived from software contributed to The NetBSD Foundation
  17  * by Hubert Feyrer <hubert@feyrer.de>.
  18  *
  19  * Redistribution and use in source and binary forms, with or without
  20  * modification, are permitted provided that the following conditions
  21  * are met:
  22  * 1. Redistributions of source code must retain the above copyright
  23  *    notice, this list of conditions and the following disclaimer.
  24  * 2. Redistributions in binary form must reproduce the above copyright
  25  *    notice, this list of conditions and the following disclaimer in the
  26  *    documentation and/or other materials provided with the distribution.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  29  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  31  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  32  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  38  * POSSIBILITY OF SUCH DAMAGE.
  39  */
  40
  41 #if HAVE_SYS_TYPES_H
  42 #include <sys/types.h>
  43 #endif
  44 #if HAVE_SYS_STAT_H
  45 #include <sys/stat.h>
  46 #endif
  47 #if HAVE_DIRENT_H
  48 #include <dirent.h>
  49 #endif
  50 #if HAVE_ERR_H
  51 #include <err.h>
  52 #endif
  53 #if HAVE_ERRNO_H
  54 #include <errno.h>
  55 #endif
  56 #if HAVE_FCNTL_H
  57 #include <fcntl.h>
  58 #endif
  59 #ifndef NETBSD
  60 #include <nbcompat/md5.h>
  61 #else
  62 #include <md5.h>
  63 #endif
  64 #if HAVE_LIMITS_H
  65 #include <limits.h>
  66 #endif
  67 #if HAVE_STDIO_H
  68 #include <stdio.h>
  69 #endif
  70 #if HAVE_STRING_H
  71 #include <string.h>
  72 #endif
  73
  74 #include "admin.h"
  75 #include "lib.h"
  76
  77 static int checkpattern_fn(const char *, void *);
  78
  79 /*
  80  * Assumes CWD is in /var/db/pkg/<pkg>!
  81  */
  82 static void
  83 check1pkg(const char *pkgdir, int *filecnt, int *pkgcnt)
  84 {
  85         FILE   *f;
  86         plist_t *p;
  87         package_t Plist;
  88         char   *PkgName, *dirp = NULL, *md5file;
  89         char    file[MaxPathSize];
  90         char   *content;
  91
  92         content = pkgdb_pkg_file(pkgdir, CONTENTS_FNAME);
  93         f = fopen(content, "r");
  94         if (f == NULL)
  95                 err(EXIT_FAILURE, "can't open %s", content);
  96         free(content);
  97
  98         read_plist(&Plist, f);
  99         p = find_plist(&Plist, PLIST_NAME);
 100         if (p == NULL)
 101                 errx(EXIT_FAILURE, "Package %s has no @name, aborting.",
 102                     pkgdir);
 103         PkgName = p->name;
 104         for (p = Plist.head; p; p = p->next) {
 105                 switch (p->type) {
 106                 case PLIST_FILE:
 107                         if (dirp == NULL) {
 108                                 warnx("dirp not initialized, please send-pr!");
 109                                 abort();
 110                         }
 111
 112                         (void) snprintf(file, sizeof(file), "%s/%s", dirp, p->name);
 113
 114                         if (isfile(file) || islinktodir(file)) {
 115                                 if (p->next && p->next->type == PLIST_COMMENT) {
 116                                         if (strncmp(p->next->name, CHECKSUM_HEADER, ChecksumHeaderLen) == 0) {
 117                                                 if ((md5file = MD5File(file, NULL)) != NULL) {
 118                                                         /* Mismatch? */
 119                                                         if (strcmp(md5file, p->next->name + ChecksumHeaderLen) != 0)
 120                                                                 printf("%s fails MD5 checksum\n", file);
 121
 122                                                         free(md5file);
 123                                                 }
 124                                         } else if (strncmp(p->next->name, SYMLINK_HEADER, SymlinkHeaderLen) == 0) {
 125                                                 char    buf[MaxPathSize + SymlinkHeaderLen];
 126                                                 int     cc;
 127
 128                                                 (void) strlcpy(buf, SYMLINK_HEADER, sizeof(buf));
 129                                                 if ((cc = readlink(file, &buf[SymlinkHeaderLen],
 130                                                           sizeof(buf) - SymlinkHeaderLen - 1)) < 0) {
 131                                                         warnx("can't readlink `%s'", file);
 132                                                 } else {
 133                                                         buf[SymlinkHeaderLen + cc] = 0x0;
 134                                                         if (strcmp(buf, p->next->name) != 0) {
 135                                                                 printf("symlink (%s) is not same as recorded value, %s: %s\n",
 136                                                                     file, buf, p->next->name);
 137                                                         }
 138                                                 }
 139                                         }
 140                                 }
 141
 142                                 (*filecnt)++;
 143                         } else if (isbrokenlink(file)) {
 144                                 warnx("%s: Symlink `%s' exists and is in %s but target does not exist!", PkgName, file, CONTENTS_FNAME);
 145                         } else {
 146                                 warnx("%s: File `%s' is in %s but not on filesystem!", PkgName, file, CONTENTS_FNAME);
 147                         }
 148                         break;
 149                 case PLIST_CWD:
 150                         if (strcmp(p->name, ".") != 0)
 151                                 dirp = p->name;
 152                         else
 153                                 dirp = pkgdb_pkg_dir(pkgdir);
 154                         break;
 155                 case PLIST_IGNORE:
 156                         p = p->next;
 157                         break;
 158                 case PLIST_SHOW_ALL:
 159                 case PLIST_SRC:
 160                 case PLIST_CMD:
 161                 case PLIST_CHMOD:
 162                 case PLIST_CHOWN:
 163                 case PLIST_CHGRP:
 164                 case PLIST_COMMENT:
 165                 case PLIST_NAME:
 166                 case PLIST_UNEXEC:
 167                 case PLIST_DISPLAY:
 168                 case PLIST_PKGDEP:
 169                 case PLIST_DIR_RM:
 170                 case PLIST_OPTION:
 171                 case PLIST_PKGCFL:
 172                 case PLIST_BLDDEP:
 173                 case PLIST_PKGDIR:
 174                         break;
 175                 }
 176         }
 177         free_plist(&Plist);
 178         fclose(f);
 179         (*pkgcnt)++;
 180 }
 181
 182 struct checkpattern_arg {
 183         int filecnt;
 184         int pkgcnt;
 185         int got_match;
 186 };
 187
 188 static int
 189 checkpattern_fn(const char *pkg, void *vp)
 190 {
 191         struct checkpattern_arg *arg = vp;
 192
 193         check1pkg(pkg, &arg->filecnt, &arg->pkgcnt);
 194         if (!quiet)
 195                 printf(".");
 196
 197         arg->got_match = 1;
 198
 199         return 0;
 200 }
 201
 202 static void
 203 check_pkg(const char *pkg, int *filecnt, int *pkgcnt, int allow_unmatched)
 204 {
 205         struct checkpattern_arg arg;
 206         char *pattern;
 207
 208         arg.filecnt = *filecnt;
 209         arg.pkgcnt = *pkgcnt;
 210         arg.got_match = 0;
 211
 212         if (match_installed_pkgs(pkg, checkpattern_fn, &arg) == -1)
 213                 errx(EXIT_FAILURE, "Cannot process pkdbdb");
 214         if (arg.got_match != 0) {
 215                 *filecnt = arg.filecnt;
 216                 *pkgcnt = arg.pkgcnt;
 217                 return;
 218         }
 219
 220         if (ispkgpattern(pkg)) {
 221                 if (allow_unmatched)
 222                         return;
 223                 errx(EXIT_FAILURE, "No matching pkg for %s.", pkg);
 224         }
 225
 226         pattern = xasprintf("%s-[0-9]*", pkg);
 227
 228         if (match_installed_pkgs(pattern, checkpattern_fn, &arg) == -1)
 229                 errx(EXIT_FAILURE, "Cannot process pkdbdb");
 230
 231         if (arg.got_match == 0)
 232                 errx(EXIT_FAILURE, "cannot find package %s", pkg);
 233         free(pattern);
 234
 235         *filecnt = arg.filecnt;
 236         *pkgcnt = arg.pkgcnt;
 237 }
 238
 239 void
 240 check(char **argv)
 241 {
 242         int filecnt, pkgcnt;
 243
 244         filecnt = 0;
 245         pkgcnt = 0;
 246         setbuf(stdout, NULL);
 247
 248         if (*argv == NULL) {
 249                 check_pkg("*", &filecnt, &pkgcnt, 1);
 250         } else {
 251                 for (; *argv != NULL; ++argv)
 252                         check_pkg(*argv, &filecnt, &pkgcnt, 0);
 253         }
 254
 255         printf("\n");
 256         printf("Checked %d file%s from %d package%s.\n",
 257             filecnt, (filecnt == 1) ? "" : "s",
 258             pkgcnt, (pkgcnt == 1) ? "" : "s");
 259 }