usr.sbin/mtree/verify.c

   1 /*-
   2  * Copyright (c) 1990, 1993
   3  *      The Regents of the University of California.  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  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef lint
  35 #if 0
  36 static char sccsid[] = "@(#)verify.c    8.1 (Berkeley) 6/6/93";
  37 #endif
  38 static const char rcsid[] =
  39   "$FreeBSD: src/usr.sbin/mtree/verify.c,v 1.10.2.2 2001/01/12 19:17:18 phk Exp $";
  40 #endif /* not lint */
  41
  42 #include <sys/param.h>
  43 #include <sys/stat.h>
  44 #include <dirent.h>
  45 #include <err.h>
  46 #include <errno.h>
  47 #include <fts.h>
  48 #include <fnmatch.h>
  49 #include <stdio.h>
  50 #include <unistd.h>
  51 #include "mtree.h"
  52 #include "extern.h"
  53
  54 extern long int crc_total;
  55 extern int ftsoptions;
  56 extern int dflag, eflag, qflag, rflag, sflag, uflag;
  57 extern char fullpath[MAXPATHLEN];
  58 extern int lineno;
  59
  60 static NODE *root;
  61 static char path[MAXPATHLEN];
  62
  63 static void     miss __P((NODE *, char *));
  64 static int      vwalk __P((void));
  65
  66 int
  67 verify()
  68 {
  69         int rval;
  70
  71         root = spec();
  72         rval = vwalk();
  73         miss(root, path);
  74         return (rval);
  75 }
  76
  77 static int
  78 vwalk()
  79 {
  80         register FTS *t;
  81         register FTSENT *p;
  82         register NODE *ep, *level;
  83         int specdepth, rval;
  84         char *argv[2];
  85
  86         argv[0] = ".";
  87         argv[1] = NULL;
  88         if ((t = fts_open(argv, ftsoptions, NULL)) == NULL)
  89                 err(1, "line %d: fts_open", lineno);
  90         level = root;
  91         specdepth = rval = 0;
  92         while ((p = fts_read(t))) {
  93                 if (check_excludes(p->fts_name, p->fts_path)) {
  94                         fts_set(t, p, FTS_SKIP);
  95                         continue;
  96                 }
  97                 switch(p->fts_info) {
  98                 case FTS_D:
  99                 case FTS_SL:
 100                         break;
 101                 case FTS_DP:
 102                         if (specdepth > p->fts_level) {
 103                                 for (level = level->parent; level->prev;
 104                                       level = level->prev);
 105                                 --specdepth;
 106                         }
 107                         continue;
 108                 case FTS_DNR:
 109                 case FTS_ERR:
 110                 case FTS_NS:
 111                         warnx("%s: %s", RP(p), strerror(p->fts_errno));
 112                         continue;
 113                 default:
 114                         if (dflag)
 115                                 continue;
 116                 }
 117
 118                 if (specdepth != p->fts_level)
 119                         goto extra;
 120                 for (ep = level; ep; ep = ep->next)
 121                         if ((ep->flags & F_MAGIC &&
 122                             !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) ||
 123                             !strcmp(ep->name, p->fts_name)) {
 124                                 ep->flags |= F_VISIT;
 125                                 if ((ep->flags & F_NOCHANGE) == 0 &&
 126                                     compare(ep->name, ep, p))
 127                                         rval = MISMATCHEXIT;
 128                                 if (ep->flags & F_IGN)
 129                                         (void)fts_set(t, p, FTS_SKIP);
 130                                 else if (ep->child && ep->type == F_DIR &&
 131                                     p->fts_info == FTS_D) {
 132                                         level = ep->child;
 133                                         ++specdepth;
 134                                 }
 135                                 break;
 136                         }
 137
 138                 if (ep)
 139                         continue;
 140 extra:
 141                 if (!eflag) {
 142                         (void)printf("%s extra", RP(p));
 143                         if (rflag) {
 144                                 if ((S_ISDIR(p->fts_statp->st_mode)
 145                                     ? rmdir : unlink)(p->fts_accpath)) {
 146                                         (void)printf(", not removed: %s",
 147                                             strerror(errno));
 148                                 } else
 149                                         (void)printf(", removed");
 150                         }
 151                         (void)putchar('\n');
 152                 }
 153                 (void)fts_set(t, p, FTS_SKIP);
 154         }
 155         (void)fts_close(t);
 156         if (sflag)
 157                 warnx("%s checksum: %lu", fullpath, crc_total);
 158         return (rval);
 159 }
 160
 161 static void
 162 miss(p, tail)
 163         register NODE *p;
 164         register char *tail;
 165 {
 166         register int create;
 167         register char *tp;
 168         const char *type;
 169
 170         for (; p; p = p->next) {
 171                 if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
 172                         continue;
 173                 (void)strcpy(tail, p->name);
 174                 if (!(p->flags & F_VISIT)) {
 175                         /* Don't print missing message if file exists as a
 176                            symbolic link and the -q flag is set. */
 177                         struct stat statbuf;
 178
 179                         if (qflag && stat(path, &statbuf) == 0)
 180                                 p->flags |= F_VISIT;
 181                         else
 182                                 (void)printf("%s missing", path);
 183                 }
 184                 if (p->type != F_DIR && p->type != F_LINK) {
 185                         putchar('\n');
 186                         continue;
 187                 }
 188
 189                 create = 0;
 190                 if (p->type == F_LINK)
 191                         type = "symlink";
 192                 else
 193                         type = "directory";
 194                 if (!(p->flags & F_VISIT) && uflag) {
 195                         if (!(p->flags & (F_UID | F_UNAME)))
 196                                 (void)printf(" (%s not created: user not specified)", type);
 197                         else if (!(p->flags & (F_GID | F_GNAME)))
 198                                 (void)printf(" (%s not created: group not specified)", type);
 199                         else if (p->type == F_LINK) {
 200                                 if (symlink(p->slink, path))
 201                                         (void)printf(" (symlink not created: %s)\n",
 202                                             strerror(errno));
 203                                 else
 204                                         (void)printf(" (created)\n");
 205                                 if (lchown(path, p->st_uid, p->st_gid))
 206                                         (void)printf("%s: user/group not modified: %s\n",
 207                                             path, strerror(errno));
 208                                 continue;
 209                         } else if (!(p->flags & F_MODE))
 210                             (void)printf(" (directory not created: mode not specified)");
 211                         else if (mkdir(path, S_IRWXU))
 212                                 (void)printf(" (directory not created: %s)",
 213                                     strerror(errno));
 214                         else {
 215                                 create = 1;
 216                                 (void)printf(" (created)");
 217                         }
 218                 }
 219                 if (!(p->flags & F_VISIT))
 220                         (void)putchar('\n');
 221
 222                 for (tp = tail; *tp; ++tp);
 223                 *tp = '/';
 224                 miss(p->child, tp + 1);
 225                 *tp = '\0';
 226
 227                 if (!create)
 228                         continue;
 229                 if (chown(path, p->st_uid, p->st_gid)) {
 230                         (void)printf("%s: user/group/mode not modified: %s\n",
 231                             path, strerror(errno));
 232                         (void)printf("%s: warning: file mode %snot set\n", path,
 233                             (p->flags & F_FLAGS) ? "and file flags " : "");
 234                         continue;
 235                 }
 236                 if (chmod(path, p->st_mode))
 237                         (void)printf("%s: permissions not set: %s\n",
 238                             path, strerror(errno));
 239                 if ((p->flags & F_FLAGS) && p->st_flags &&
 240                     chflags(path, p->st_flags))
 241                         (void)printf("%s: file flags not set: %s\n",
 242                             path, strerror(errno));
 243         }
 244 }