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   "$FreeBSD$";
  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(NODE *, char *);
  64 static int      vwalk(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         char dot[] = ".";
  86
  87         argv[0] = dot;
  88         argv[1] = NULL;
  89         if ((t = fts_open(argv, ftsoptions, NULL)) == NULL)
  90                 err(1, "line %d: fts_open", lineno);
  91         level = root;
  92         specdepth = rval = 0;
  93         while ((p = fts_read(t))) {
  94                 if (check_excludes(p->fts_name, p->fts_path)) {
  95                         fts_set(t, p, FTS_SKIP);
  96                         continue;
  97                 }
  98                 switch(p->fts_info) {
  99                 case FTS_D:
 100                 case FTS_SL:
 101                         break;
 102                 case FTS_DP:
 103                         if (specdepth > p->fts_level) {
 104                                 for (level = level->parent; level->prev;
 105                                       level = level->prev);
 106                                 --specdepth;
 107                         }
 108                         continue;
 109                 case FTS_DNR:
 110                 case FTS_ERR:
 111                 case FTS_NS:
 112                         warnx("%s: %s", RP(p), strerror(p->fts_errno));
 113                         continue;
 114                 default:
 115                         if (dflag)
 116                                 continue;
 117                 }
 118
 119                 if (specdepth != p->fts_level)
 120                         goto extra;
 121                 for (ep = level; ep; ep = ep->next)
 122                         if ((ep->flags & F_MAGIC &&
 123                             !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) ||
 124                             !strcmp(ep->name, p->fts_name)) {
 125                                 ep->flags |= F_VISIT;
 126                                 if ((ep->flags & F_NOCHANGE) == 0 &&
 127                                     compare(ep->name, ep, p))
 128                                         rval = MISMATCHEXIT;
 129                                 if (ep->flags & F_IGN)
 130                                         (void)fts_set(t, p, FTS_SKIP);
 131                                 else if (ep->child && ep->type == F_DIR &&
 132                                     p->fts_info == FTS_D) {
 133                                         level = ep->child;
 134                                         ++specdepth;
 135                                 }
 136                                 break;
 137                         }
 138
 139                 if (ep)
 140                         continue;
 141 extra:
 142                 if (!eflag) {
 143                         (void)printf("%s extra", RP(p));
 144                         if (rflag) {
 145                                 if ((S_ISDIR(p->fts_statp->st_mode)
 146                                     ? rmdir : unlink)(p->fts_accpath)) {
 147                                         (void)printf(", not removed: %s",
 148                                             strerror(errno));
 149                                 } else
 150                                         (void)printf(", removed");
 151                         }
 152                         (void)putchar('\n');
 153                 }
 154                 (void)fts_set(t, p, FTS_SKIP);
 155         }
 156         (void)fts_close(t);
 157         if (sflag)
 158                 warnx("%s checksum: %lu", fullpath, crc_total);
 159         return (rval);
 160 }
 161
 162 static void
 163 miss(p, tail)
 164         register NODE *p;
 165         register char *tail;
 166 {
 167         register int create;
 168         register char *tp;
 169         const char *type;
 170
 171         for (; p; p = p->next) {
 172                 if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
 173                         continue;
 174                 (void)strcpy(tail, p->name);
 175                 if (!(p->flags & F_VISIT)) {
 176                         /* Don't print missing message if file exists as a
 177                            symbolic link and the -q flag is set. */
 178                         struct stat statbuf;
 179
 180                         if (qflag && stat(path, &statbuf) == 0)
 181                                 p->flags |= F_VISIT;
 182                         else
 183                                 (void)printf("%s missing", path);
 184                 }
 185                 if (p->type != F_DIR && p->type != F_LINK) {
 186                         putchar('\n');
 187                         continue;
 188                 }
 189
 190                 create = 0;
 191                 if (p->type == F_LINK)
 192                         type = "symlink";
 193                 else
 194                         type = "directory";
 195                 if (!(p->flags & F_VISIT) && uflag) {
 196                         if (!(p->flags & (F_UID | F_UNAME)))
 197                                 (void)printf(" (%s not created: user not specified)", type);
 198                         else if (!(p->flags & (F_GID | F_GNAME)))
 199                                 (void)printf(" (%s not created: group not specified)", type);
 200                         else if (p->type == F_LINK) {
 201                                 if (symlink(p->slink, path))
 202                                         (void)printf(" (symlink not created: %s)\n",
 203                                             strerror(errno));
 204                                 else
 205                                         (void)printf(" (created)\n");
 206                                 if (lchown(path, p->st_uid, p->st_gid))
 207                                         (void)printf("%s: user/group not modified: %s\n",
 208                                             path, strerror(errno));
 209                                 continue;
 210                         } else if (!(p->flags & F_MODE))
 211                             (void)printf(" (directory not created: mode not specified)");
 212                         else if (mkdir(path, S_IRWXU))
 213                                 (void)printf(" (directory not created: %s)",
 214                                     strerror(errno));
 215                         else {
 216                                 create = 1;
 217                                 (void)printf(" (created)");
 218                         }
 219                 }
 220                 if (!(p->flags & F_VISIT))
 221                         (void)putchar('\n');
 222
 223                 for (tp = tail; *tp; ++tp);
 224                 *tp = '/';
 225                 miss(p->child, tp + 1);
 226                 *tp = '\0';
 227
 228                 if (!create)
 229                         continue;
 230                 if (chown(path, p->st_uid, p->st_gid)) {
 231                         (void)printf("%s: user/group/mode not modified: %s\n",
 232                             path, strerror(errno));
 233                         (void)printf("%s: warning: file mode %snot set\n", path,
 234                             (p->flags & F_FLAGS) ? "and file flags " : "");
 235                         continue;
 236                 }
 237                 if (chmod(path, p->st_mode))
 238                         (void)printf("%s: permissions not set: %s\n",
 239                             path, strerror(errno));
 240                 if ((p->flags & F_FLAGS) && p->st_flags &&
 241                     chflags(path, p->st_flags))
 242                         (void)printf("%s: file flags not set: %s\n",
 243                             path, strerror(errno));
 244         }
 245 }