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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#if 0 31#ifndef lint 32static char sccsid[] = "@(#)verify.c 8.1 (Berkeley) 6/6/93"; 33#endif /* not lint */ 34#endif 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD: src/usr.sbin/mtree/verify.c,v 1.24 2005/08/11 15:43:55 brian Exp $"); 37 38#include <sys/param.h> 39#include <sys/stat.h> 40#include <dirent.h> 41#include <err.h> 42#include <errno.h> 43#include <fts.h> 44#include <fnmatch.h> 45#include <stdio.h> 46#include <stdint.h> 47#include <unistd.h> 48#include "mtree.h" 49#include "extern.h" 50 51static NODE *root; 52static char path[MAXPATHLEN]; 53 54static void miss(NODE *, char *); 55static int vwalk(void); 56 57int 58mtree_verifyspec(FILE *fi) 59{ 60 int rval; 61 62 root = mtree_readspec(fi); 63 rval = vwalk(); 64 miss(root, path); 65 return (rval); 66} 67 68static int 69vwalk(void) 70{ 71 FTS *t; 72 FTSENT *p; 73 NODE *ep, *level; 74 int specdepth, rval; 75 char *argv[2]; 76 char dot[] = "."; 77 78 argv[0] = dot; 79 argv[1] = NULL; 80 if ((t = fts_open(argv, ftsoptions, NULL)) == NULL) 81 err(1, "line %d: fts_open", lineno); 82 level = root; 83 specdepth = rval = 0; 84 while ((p = fts_read(t))) { 85 if (check_excludes(p->fts_name, p->fts_path)) { 86 fts_set(t, p, FTS_SKIP); 87 continue; 88 } 89 switch(p->fts_info) { 90 case FTS_D: 91 case FTS_SL: 92 break; 93 case FTS_DP: 94 if (level == NULL) { 95 errx(1 , "invalid root in vwalk"); 96 } 97 if (specdepth > p->fts_level) { 98 for (level = level->parent; level->prev; 99 level = level->prev); 100 --specdepth; 101 } 102 continue; 103 case FTS_DNR: 104 case FTS_ERR: 105 case FTS_NS: 106 warnx("%s: %s", RP(p), strerror(p->fts_errno)); 107 continue; 108 default: 109 if (dflag) 110 continue; 111 } 112 113 if (specdepth != p->fts_level) 114 goto extra; 115 for (ep = level; ep; ep = ep->next) 116 if ((ep->flags & F_MAGIC && 117 !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) || 118 !strcmp(ep->name, p->fts_name)) { 119 ep->flags |= F_VISIT; 120 if ((ep->flags & F_NOCHANGE) == 0 && 121 compare(ep->name, ep, p)) 122 rval = MISMATCHEXIT; 123 if (ep->flags & F_IGN) 124 (void)fts_set(t, p, FTS_SKIP); 125 else if (ep->child && ep->type == F_DIR && 126 p->fts_info == FTS_D) { 127 level = ep->child; 128 ++specdepth; 129 } 130 break; 131 } 132 133 if (ep) 134 continue; 135extra: 136 if (!eflag) { 137 (void)printf("%s extra", RP(p)); 138 if (rflag) { 139 if ((S_ISDIR(p->fts_statp->st_mode) 140 ? rmdir : unlink)(p->fts_accpath)) { 141 (void)printf(", not removed: %s", 142 strerror(errno)); 143 } else 144 (void)printf(", removed"); 145 } 146 (void)putchar('\n'); 147 } 148 (void)fts_set(t, p, FTS_SKIP); 149 } 150 (void)fts_close(t); 151 if (sflag) 152 warnx("%s checksum: %lu", fullpath, (unsigned long)crc_total); 153 return (rval); 154} 155 156static void 157miss(NODE *p, char *tail) 158{ 159 int create; 160 char *tp; 161 const char *type, *what; 162 int serr; 163 164 for (; p; p = p->next) { 165 if (p->type != F_DIR && (dflag || p->flags & F_VISIT)) 166 continue; 167 (void)strcpy(tail, p->name); 168 if (!(p->flags & F_VISIT)) { 169 /* Don't print missing message if file exists as a 170 symbolic link and the -q flag is set. */ 171 struct stat statbuf; 172 173 if (qflag && stat(path, &statbuf) == 0) 174 p->flags |= F_VISIT; 175 else 176 (void)printf("%s missing", path); 177 } 178 if (p->type != F_DIR && p->type != F_LINK) { 179 putchar('\n'); 180 continue; 181 } 182 183 create = 0; 184 if (p->type == F_LINK) 185 type = "symlink"; 186 else 187 type = "directory"; 188 if (!(p->flags & F_VISIT) && uflag) { 189 if (!(p->flags & (F_UID | F_UNAME))) 190 (void)printf(" (%s not created: user not specified)", type); 191 else if (!(p->flags & (F_GID | F_GNAME))) 192 (void)printf(" (%s not created: group not specified)", type); 193 else if (p->type == F_LINK) { 194 if (symlink(p->slink, path)) 195 (void)printf(" (symlink not created: %s)\n", 196 strerror(errno)); 197 else 198 (void)printf(" (created)\n"); 199 if (lchown(path, p->st_uid, p->st_gid) == -1) { 200 serr = errno; 201 if (p->st_uid == (uid_t)-1) 202 what = "group"; 203 else if (lchown(path, (uid_t)-1, 204 p->st_gid) == -1) 205 what = "user & group"; 206 else { 207 what = "user"; 208 errno = serr; 209 } 210 (void)printf("%s: %s not modified: %s" 211 "\n", path, what, strerror(errno)); 212 } 213 continue; 214 } else if (!(p->flags & F_MODE)) 215 (void)printf(" (directory not created: mode not specified)"); 216 else if (mkdir(path, S_IRWXU)) 217 (void)printf(" (directory not created: %s)", 218 strerror(errno)); 219 else { 220 create = 1; 221 (void)printf(" (created)"); 222 } 223 } 224 if (!(p->flags & F_VISIT)) 225 (void)putchar('\n'); 226 227 for (tp = tail; *tp; ++tp); 228 *tp = '/'; 229 miss(p->child, tp + 1); 230 *tp = '\0'; 231 232 if (!create) 233 continue; 234 if (chown(path, p->st_uid, p->st_gid) == -1) { 235 serr = errno; 236 if (p->st_uid == (uid_t)-1) 237 what = "group"; 238 else if (chown(path, (uid_t)-1, p->st_gid) == -1) 239 what = "user & group"; 240 else { 241 what = "user"; 242 errno = serr; 243 } 244 (void)printf("%s: %s not modified: %s\n", 245 path, what, strerror(errno)); 246 } 247 if (chmod(path, p->st_mode)) 248 (void)printf("%s: permissions not set: %s\n", 249 path, strerror(errno)); 250 if ((p->flags & F_FLAGS) && p->st_flags && 251 chflags(path, (u_int)p->st_flags)) 252 (void)printf("%s: file flags not set: %s\n", 253 path, strerror(errno)); 254 } 255} 256