contrib/mtree/verify.c

   1 /*      $NetBSD: verify.c,v 1.44 2013/02/03 19:15:17 christos Exp $     */
   2
   3 /*-
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #if HAVE_NBTOOL_CONFIG_H
  33 #include "nbtool_config.h"
  34 #endif
  35
  36 #include <sys/cdefs.h>
  37 #if defined(__RCSID) && !defined(lint)
  38 #if 0
  39 static char sccsid[] = "@(#)verify.c    8.1 (Berkeley) 6/6/93";
  40 #else
  41 __RCSID("$NetBSD: verify.c,v 1.44 2013/02/03 19:15:17 christos Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <sys/param.h>
  46 #include <sys/stat.h>
  47
  48 #if ! HAVE_NBTOOL_CONFIG_H
  49 #include <dirent.h>
  50 #endif
  51
  52 #include <errno.h>
  53 #include <fnmatch.h>
  54 #include <stdio.h>
  55 #include <string.h>
  56 #include <unistd.h>
  57
  58 #include "extern.h"
  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(FILE *fi)
  68 {
  69         int rval;
  70
  71         root = spec(fi);
  72         rval = vwalk();
  73         miss(root, path);
  74         return (rval);
  75 }
  76
  77 static int
  78 vwalk(void)
  79 {
  80         FTS *t;
  81         FTSENT *p;
  82         NODE *ep, *level;
  83         int specdepth, rval;
  84         char *argv[2];
  85         char  dot[] = ".";
  86         argv[0] = dot;
  87         argv[1] = NULL;
  88
  89         if ((t = fts_open(argv, ftsoptions, NULL)) == NULL)
  90                 mtree_err("fts_open: %s", strerror(errno));
  91         level = root;
  92         specdepth = rval = 0;
  93         while (errno = 0, (p = fts_read(t)) != NULL) {
  94                 if (check_excludes(p->fts_name, p->fts_path)) {
  95                         fts_set(t, p, FTS_SKIP);
  96                         continue;
  97                 }
  98                 if (!find_only(p->fts_path)) {
  99                         fts_set(t, p, FTS_SKIP);
 100                         continue;
 101                 }
 102                 switch(p->fts_info) {
 103                 case FTS_D:
 104                 case FTS_SL:
 105                         break;
 106                 case FTS_DP:
 107                         if (specdepth > p->fts_level) {
 108                                 for (level = level->parent; level->prev;
 109                                     level = level->prev)
 110                                         continue;
 111                                 --specdepth;
 112                         }
 113                         continue;
 114                 case FTS_DNR:
 115                 case FTS_ERR:
 116                 case FTS_NS:
 117                         warnx("%s: %s", RP(p), strerror(p->fts_errno));
 118                         continue;
 119                 default:
 120                         if (dflag)
 121                                 continue;
 122                 }
 123
 124                 if (specdepth != p->fts_level)
 125                         goto extra;
 126                 for (ep = level; ep; ep = ep->next)
 127                         if ((ep->flags & F_MAGIC &&
 128                             !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) ||
 129                             !strcmp(ep->name, p->fts_name)) {
 130                                 ep->flags |= F_VISIT;
 131                                 if ((ep->flags & F_NOCHANGE) == 0 &&
 132                                     compare(ep, p))
 133                                         rval = MISMATCHEXIT;
 134                                 if (!(ep->flags & F_IGN) &&
 135                                     ep->type == F_DIR &&
 136                                     p->fts_info == FTS_D) {
 137                                         if (ep->child) {
 138                                                 level = ep->child;
 139                                                 ++specdepth;
 140                                         }
 141                                 } else
 142                                         fts_set(t, p, FTS_SKIP);
 143                                 break;
 144                         }
 145
 146                 if (ep)
 147                         continue;
 148  extra:
 149                 if (!eflag && !(dflag && p->fts_info == FTS_SL)) {
 150                         printf("extra: %s", RP(p));
 151                         if (rflag) {
 152                                 if ((S_ISDIR(p->fts_statp->st_mode)
 153                                     ? rmdir : unlink)(p->fts_accpath)) {
 154                                         printf(", not removed: %s",
 155                                             strerror(errno));
 156                                 } else
 157                                         printf(", removed");
 158                         }
 159                         putchar('\n');
 160                 }
 161                 fts_set(t, p, FTS_SKIP);
 162         }
 163         if (errno != 0)
 164                 mtree_err("fts_read: %s", strerror(errno));
 165         fts_close(t);
 166         if (sflag)
 167                 warnx("%s checksum: %u", fullpath, crc_total);
 168         return (rval);
 169 }
 170
 171 static void
 172 miss(NODE *p, char *tail)
 173 {
 174         int create;
 175         char *tp;
 176         const char *type;
 177         u_int32_t flags;
 178
 179         for (; p; p = p->next) {
 180                 if (p->flags & F_OPT && !(p->flags & F_VISIT))
 181                         continue;
 182                 if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
 183                         continue;
 184                 strcpy(tail, p->name);
 185                 if (!(p->flags & F_VISIT)) {
 186                         /* Don't print missing message if file exists as a
 187                            symbolic link and the -q flag is set. */
 188                         struct stat statbuf;
 189
 190                         if (qflag && stat(path, &statbuf) == 0 &&
 191                             S_ISDIR(statbuf.st_mode))
 192                                 p->flags |= F_VISIT;
 193                         else
 194                                 (void)printf("%s missing", path);
 195                 }
 196                 switch (p->type) {
 197                 case F_BLOCK:
 198                 case F_CHAR:
 199                         type = "device";
 200                         break;
 201                 case F_DIR:
 202                         type = "directory";
 203                         break;
 204                 case F_LINK:
 205                         type = "symlink";
 206                         break;
 207                 default:
 208                         putchar('\n');
 209                         continue;
 210                 }
 211
 212                 create = 0;
 213                 if (!(p->flags & F_VISIT) && uflag) {
 214                         if (mtree_Wflag || p->type == F_LINK)
 215                                 goto createit;
 216                         if (!(p->flags & (F_UID | F_UNAME)))
 217                             printf(
 218                                 " (%s not created: user not specified)", type);
 219                         else if (!(p->flags & (F_GID | F_GNAME)))
 220                             printf(
 221                                 " (%s not created: group not specified)", type);
 222                         else if (!(p->flags & F_MODE))
 223                             printf(
 224                                 " (%s not created: mode not specified)", type);
 225                         else
 226  createit:
 227                         switch (p->type) {
 228                         case F_BLOCK:
 229                         case F_CHAR:
 230                                 if (mtree_Wflag)
 231                                         continue;
 232                                 if (!(p->flags & F_DEV))
 233                                         printf(
 234                                     " (%s not created: device not specified)",
 235                                             type);
 236                                 else if (mknod(path,
 237                                     p->st_mode | nodetoino(p->type),
 238                                     p->st_rdev) == -1)
 239                                         printf(" (%s not created: %s)\n",
 240                                             type, strerror(errno));
 241                                 else
 242                                         create = 1;
 243                                 break;
 244                         case F_LINK:
 245                                 if (!(p->flags & F_SLINK))
 246                                         printf(
 247                                     " (%s not created: link not specified)\n",
 248                                             type);
 249                                 else if (symlink(p->slink, path))
 250                                         printf(
 251                                             " (%s not created: %s)\n",
 252                                             type, strerror(errno));
 253                                 else
 254                                         create = 1;
 255                                 break;
 256                         case F_DIR:
 257                                 if (mkdir(path, S_IRWXU|S_IRWXG|S_IRWXO))
 258                                         printf(" (not created: %s)",
 259                                             strerror(errno));
 260                                 else
 261                                         create = 1;
 262                                 break;
 263                         default:
 264                                 mtree_err("can't create create %s",
 265                                     nodetype(p->type));
 266                         }
 267                 }
 268                 if (create)
 269                         printf(" (created)");
 270                 if (p->type == F_DIR) {
 271                         if (!(p->flags & F_VISIT))
 272                                 putchar('\n');
 273                         for (tp = tail; *tp; ++tp)
 274                                 continue;
 275                         *tp = '/';
 276                         miss(p->child, tp + 1);
 277                         *tp = '\0';
 278                 } else
 279                         putchar('\n');
 280
 281                 if (!create || mtree_Wflag)
 282                         continue;
 283                 if ((p->flags & (F_UID | F_UNAME)) &&
 284                     (p->flags & (F_GID | F_GNAME)) &&
 285                     (lchown(path, p->st_uid, p->st_gid))) {
 286                         printf("%s: user/group/mode not modified: %s\n",
 287                             path, strerror(errno));
 288                         printf("%s: warning: file mode %snot set\n", path,
 289                             (p->flags & F_FLAGS) ? "and file flags " : "");
 290                         continue;
 291                 }
 292                 if (p->flags & F_MODE) {
 293                         if (lchmod(path, p->st_mode))
 294                                 printf("%s: permissions not set: %s\n",
 295                                     path, strerror(errno));
 296                 }
 297 #if HAVE_STRUCT_STAT_ST_FLAGS
 298                 if ((p->flags & F_FLAGS) && p->st_flags) {
 299                         if (iflag)
 300                                 flags = p->st_flags;
 301                         else
 302                                 flags = p->st_flags & ~SP_FLGS;
 303                         if (lchflags(path, flags))
 304                                 printf("%s: file flags not set: %s\n",
 305                                     path, strerror(errno));
 306                 }
 307 #endif  /* HAVE_STRUCT_STAT_ST_FLAGS */
 308         }
 309 }