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 * @(#)verify.c 8.1 (Berkeley) 6/6/93 34 * $FreeBSD: src/usr.sbin/mtree/verify.c,v 1.10.2.2 2001/01/12 19:17:18 phk Exp $ 35 * $DragonFly: src/usr.sbin/mtree/verify.c,v 1.4 2003/11/22 11:38:13 eirikn Exp $ 36 */ 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 <unistd.h> 47 #include "mtree.h" 48 #include "extern.h" 49 50 extern long int crc_total; 51 extern int ftsoptions; 52 extern int dflag, eflag, qflag, rflag, sflag, uflag; 53 extern char fullpath[MAXPATHLEN]; 54 extern int lineno; 55 56 static NODE *root; 57 static char path[MAXPATHLEN]; 58 59 static void miss(NODE *, char *); 60 static int vwalk(void); 61 62 int 63 verify(void) 64 { 65 int rval; 66 67 root = spec(); 68 rval = vwalk(); 69 miss(root, path); 70 return (rval); 71 } 72 73 static int 74 vwalk(void) 75 { 76 register FTS *t; 77 register FTSENT *p; 78 register NODE *ep, *level; 79 int specdepth, rval; 80 char *argv[2]; 81 82 argv[0] = "."; 83 argv[1] = NULL; 84 if ((t = fts_open(argv, ftsoptions, NULL)) == NULL) 85 err(1, "line %d: fts_open", lineno); 86 level = root; 87 specdepth = rval = 0; 88 while ((p = fts_read(t))) { 89 if (check_excludes(p->fts_name, p->fts_path)) { 90 fts_set(t, p, FTS_SKIP); 91 continue; 92 } 93 switch(p->fts_info) { 94 case FTS_D: 95 case FTS_SL: 96 break; 97 case FTS_DP: 98 if (specdepth > p->fts_level) { 99 for (level = level->parent; level->prev; 100 level = level->prev); 101 --specdepth; 102 } 103 continue; 104 case FTS_DNR: 105 case FTS_ERR: 106 case FTS_NS: 107 warnx("%s: %s", RP(p), strerror(p->fts_errno)); 108 continue; 109 default: 110 if (dflag) 111 continue; 112 } 113 114 if (specdepth != p->fts_level) 115 goto extra; 116 for (ep = level; ep; ep = ep->next) 117 if ((ep->flags & F_MAGIC && 118 !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) || 119 !strcmp(ep->name, p->fts_name)) { 120 ep->flags |= F_VISIT; 121 if ((ep->flags & F_NOCHANGE) == 0 && 122 compare(ep->name, ep, p)) 123 rval = MISMATCHEXIT; 124 if (ep->flags & F_IGN) 125 (void)fts_set(t, p, FTS_SKIP); 126 else if (ep->child && ep->type == F_DIR && 127 p->fts_info == FTS_D) { 128 level = ep->child; 129 ++specdepth; 130 } 131 break; 132 } 133 134 if (ep) 135 continue; 136 extra: 137 if (!eflag) { 138 (void)printf("%s extra", RP(p)); 139 if (rflag) { 140 if ((S_ISDIR(p->fts_statp->st_mode) 141 ? rmdir : unlink)(p->fts_accpath)) { 142 (void)printf(", not removed: %s", 143 strerror(errno)); 144 } else 145 (void)printf(", removed"); 146 } 147 (void)putchar('\n'); 148 } 149 (void)fts_set(t, p, FTS_SKIP); 150 } 151 (void)fts_close(t); 152 if (sflag) 153 warnx("%s checksum: %lu", fullpath, crc_total); 154 return (rval); 155 } 156 157 static void 158 miss(register NODE *p, register char *tail) 159 { 160 register int create; 161 register char *tp; 162 const char *type; 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)) 200 (void)printf("%s: user/group not modified: %s\n", 201 path, strerror(errno)); 202 continue; 203 } else if (!(p->flags & F_MODE)) 204 (void)printf(" (directory not created: mode not specified)"); 205 else if (mkdir(path, S_IRWXU)) 206 (void)printf(" (directory not created: %s)", 207 strerror(errno)); 208 else { 209 create = 1; 210 (void)printf(" (created)"); 211 } 212 } 213 if (!(p->flags & F_VISIT)) 214 (void)putchar('\n'); 215 216 for (tp = tail; *tp; ++tp); 217 *tp = '/'; 218 miss(p->child, tp + 1); 219 *tp = '\0'; 220 221 if (!create) 222 continue; 223 if (chown(path, p->st_uid, p->st_gid)) { 224 (void)printf("%s: user/group/mode not modified: %s\n", 225 path, strerror(errno)); 226 (void)printf("%s: warning: file mode %snot set\n", path, 227 (p->flags & F_FLAGS) ? "and file flags " : ""); 228 continue; 229 } 230 if (chmod(path, p->st_mode)) 231 (void)printf("%s: permissions not set: %s\n", 232 path, strerror(errno)); 233 if ((p->flags & F_FLAGS) && p->st_flags && 234 chflags(path, p->st_flags)) 235 (void)printf("%s: file flags not set: %s\n", 236 path, strerror(errno)); 237 } 238 } 239