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verify.c revision 1.26
      1 /*	$NetBSD: verify.c,v 1.26 2002/01/29 00:07:27 tv 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 #ifndef lint
     38 #if 0
     39 static char sccsid[] = "@(#)verify.c	8.1 (Berkeley) 6/6/93";
     40 #else
     41 __RCSID("$NetBSD: verify.c,v 1.26 2002/01/29 00:07:27 tv Exp $");
     42 #endif
     43 #endif /* not lint */
     44 
     45 #include <sys/param.h>
     46 #include <sys/stat.h>
     47 
     48 #if !HAVE_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(void)
     68 {
     69 	int rval;
     70 
     71 	root = spec(stdin);
     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  dot[] = ".";		/* XXX: work around gcc warning */
     85 	char *argv[] = { dot, NULL };
     86 
     87 	if ((t = fts_open(argv, ftsoptions, NULL)) == NULL)
     88 		mtree_err("fts_open: %s", strerror(errno));
     89 	level = root;
     90 	specdepth = rval = 0;
     91 	while ((p = fts_read(t)) != NULL) {
     92 		if (check_excludes(p->fts_name, p->fts_path)) {
     93 			fts_set(t, p, FTS_SKIP);
     94 			continue;
     95 		}
     96 		switch(p->fts_info) {
     97 		case FTS_D:
     98 		case FTS_SL:
     99 			break;
    100 		case FTS_DP:
    101 			if (specdepth > p->fts_level) {
    102 				for (level = level->parent; level->prev;
    103 				    level = level->prev)
    104 					continue;
    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 (compare(ep, p))
    126 					rval = MISMATCHEXIT;
    127 				if (!(ep->flags & F_IGN) &&
    128 				    ep->child && ep->type == F_DIR &&
    129 				    p->fts_info == FTS_D) {
    130 					level = ep->child;
    131 					++specdepth;
    132 				} else
    133 					fts_set(t, p, FTS_SKIP);
    134 				break;
    135 			}
    136 
    137 		if (ep)
    138 			continue;
    139  extra:
    140 		if (!eflag) {
    141 			printf("extra: %s", RP(p));
    142 			if (rflag) {
    143 				if ((S_ISDIR(p->fts_statp->st_mode)
    144 				    ? rmdir : unlink)(p->fts_accpath)) {
    145 					printf(", not removed: %s",
    146 					    strerror(errno));
    147 				} else
    148 					printf(", removed");
    149 			}
    150 			putchar('\n');
    151 		}
    152 		fts_set(t, p, FTS_SKIP);
    153 	}
    154 	fts_close(t);
    155 	if (sflag)
    156 		warnx("%s checksum: %u", fullpath, crc_total);
    157 	return (rval);
    158 }
    159 
    160 static void
    161 miss(NODE *p, char *tail)
    162 {
    163 	int create;
    164 	char *tp;
    165 	const char *type;
    166 	u_int32_t flags;
    167 
    168 	for (; p; p = p->next) {
    169 		if (p->flags & F_OPT && !(p->flags & F_VISIT))
    170 			continue;
    171 		if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
    172 			continue;
    173 		strcpy(tail, p->name);
    174 		if (!(p->flags & F_VISIT))
    175 			printf("missing: %s", path);
    176 		switch (p->type) {
    177 		case F_BLOCK:
    178 		case F_CHAR:
    179 			type = "device";
    180 			break;
    181 		case F_DIR:
    182 			type = "directory";
    183 			break;
    184 		case F_LINK:
    185 			type = "symlink";
    186 			break;
    187 		default:
    188 			putchar('\n');
    189 			continue;
    190 		}
    191 
    192 		create = 0;
    193 		if (!(p->flags & F_VISIT) && uflag) {
    194 			if (Wflag)
    195 				goto makeit;
    196 			if (!(p->flags & (F_UID | F_UNAME)))
    197 			    printf(
    198 				" (%s not created: user not specified)", type);
    199 			else if (!(p->flags & (F_GID | F_GNAME)))
    200 			    printf(
    201 				" (%s not created: group not specified)", type);
    202 			else if (!(p->flags & F_MODE) && p->type != F_LINK)
    203 			    printf(
    204 				" (%s not created: mode not specified)", type);
    205 			else
    206  makeit:
    207 			switch (p->type) {
    208 			case F_BLOCK:
    209 			case F_CHAR:
    210 				if (Wflag)
    211 					continue;
    212 				if (!(p->flags & F_DEV))
    213 					printf(
    214 				    " (%s not created: device not specified)",
    215 					    type);
    216 				else if (mknod(path,
    217 				    p->st_mode | nodetoino(p->type),
    218 				    p->st_rdev) == -1)
    219 					printf(" (%s not created: %s)\n",
    220 					    type, strerror(errno));
    221 				else
    222 					printf(" (created)\n");
    223 				if (chown(path, p->st_uid, p->st_gid))
    224 					printf(
    225 					    "%s: user/group not modified: %s\n",
    226 					    path, strerror(errno));
    227 				continue;
    228 			case F_LINK:
    229 				if (!(p->flags & F_LINK))
    230 					printf(
    231 					" (%s not created: link not specified)",
    232 					    type);
    233 				else if (symlink(p->slink, path))
    234 					printf(
    235 					    " (%s not created: %s)\n",
    236 					    type, strerror(errno));
    237 				else
    238 					printf(" (created)\n");
    239 				if (!Wflag &&
    240 				    lchown(path, p->st_uid, p->st_gid))
    241 					printf(
    242 					    "%s: user/group not modified: %s\n",
    243 					    path, strerror(errno));
    244 				continue;
    245 			case F_DIR:
    246 				if (mkdir(path, S_IRWXU))
    247 					printf(" (not created: %s)",
    248 					    strerror(errno));
    249 				else {
    250 					create = 1;
    251 					printf(" (created)");
    252 				}
    253 				break;
    254 			default:
    255 				mtree_err("can't create create %s",
    256 				    nodetype(p->type));
    257 			}
    258 		}
    259 		if (!(p->flags & F_VISIT))
    260 			putchar('\n');
    261 
    262 		for (tp = tail; *tp; ++tp)
    263 			continue;
    264 		*tp = '/';
    265 		miss(p->child, tp + 1);
    266 		*tp = '\0';
    267 
    268 		if (!create || Wflag)
    269 			continue;
    270 		if (chown(path, p->st_uid, p->st_gid)) {
    271 			printf("%s: user/group/mode not modified: %s\n",
    272 			    path, strerror(errno));
    273 			printf("%s: warning: file mode %snot set\n", path,
    274 			    (p->flags & F_FLAGS) ? "and file flags " : "");
    275 			continue;
    276 		}
    277 		if (chmod(path, p->st_mode))
    278 			printf("%s: permissions not set: %s\n",
    279 			    path, strerror(errno));
    280 #if HAVE_STRUCT_STAT_ST_FLAGS
    281 		if ((p->flags & F_FLAGS) && p->st_flags) {
    282 			if (iflag)
    283 				flags = p->st_flags;
    284 			else
    285 				flags = p->st_flags & ~SP_FLGS;
    286 			if (chflags(path, flags))
    287 				printf("%s: file flags not set: %s\n",
    288 				    path, strerror(errno));
    289 		}
    290 #endif
    291 	}
    292 }
    293