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 1.5 2004/03/15 16:24:22 dillon 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 static NODE *root; 51 static char path[MAXPATHLEN]; 52 53 static void miss(NODE *, char *); 54 static int vwalk(void); 55 56 int 57 verify(void) 58 { 59 int rval; 60 61 root = spec(); 62 rval = vwalk(); 63 miss(root, path); 64 return (rval); 65 } 66 67 static int 68 vwalk(void) 69 { 70 FTS *t; 71 FTSENT *p; 72 NODE *ep, *level; 73 int specdepth, rval; 74 char *argv[2], dot[] = "."; 75 76 argv[0] = dot; 77 argv[1] = NULL; 78 if ((t = fts_open(argv, ftsoptions, NULL)) == NULL) 79 err(1, "line %d: fts_open", lineno); 80 level = root; 81 specdepth = rval = 0; 82 while ((p = fts_read(t))) { 83 if (check_excludes(p->fts_name, p->fts_path)) { 84 fts_set(t, p, FTS_SKIP); 85 continue; 86 } 87 switch(p->fts_info) { 88 case FTS_D: 89 case FTS_SL: 90 break; 91 case FTS_DP: 92 if (specdepth > p->fts_level) { 93 for (level = level->parent; level->prev; 94 level = level->prev); 95 --specdepth; 96 } 97 continue; 98 case FTS_DNR: 99 case FTS_ERR: 100 case FTS_NS: 101 warnx("%s: %s", RP(p), strerror(p->fts_errno)); 102 continue; 103 default: 104 if (dflag) 105 continue; 106 } 107 108 if (specdepth != p->fts_level) 109 goto extra; 110 for (ep = level; ep; ep = ep->next) 111 if ((ep->flags & F_MAGIC && 112 !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) || 113 !strcmp(ep->name, p->fts_name)) { 114 ep->flags |= F_VISIT; 115 if ((ep->flags & F_NOCHANGE) == 0 && 116 compare(ep, p)) 117 rval = MISMATCHEXIT; 118 if (ep->flags & F_IGN) 119 fts_set(t, p, FTS_SKIP); 120 else if (ep->child && ep->type == F_DIR && 121 p->fts_info == FTS_D) { 122 level = ep->child; 123 ++specdepth; 124 } 125 break; 126 } 127 128 if (ep) 129 continue; 130 extra: 131 if (!eflag) { 132 printf("%s extra", RP(p)); 133 if (rflag) { 134 if ((S_ISDIR(p->fts_statp->st_mode) 135 ? rmdir : unlink)(p->fts_accpath)) { 136 printf(", not removed: %s", 137 strerror(errno)); 138 } else 139 printf(", removed"); 140 } 141 putchar('\n'); 142 } 143 fts_set(t, p, FTS_SKIP); 144 } 145 fts_close(t); 146 if (sflag) 147 warnx("%s checksum: %lu", fullpath, crc_total); 148 return (rval); 149 } 150 151 static void 152 miss(NODE *p, char *tail) 153 { 154 int create; 155 char *tp; 156 const char *type; 157 158 for (; p; p = p->next) { 159 if (p->type != F_DIR && (dflag || p->flags & F_VISIT)) 160 continue; 161 strcpy(tail, p->name); 162 if (!(p->flags & F_VISIT)) { 163 /* Don't print missing message if file exists as a 164 symbolic link and the -q flag is set. */ 165 struct stat statbuf; 166 167 if (qflag && stat(path, &statbuf) == 0) 168 p->flags |= F_VISIT; 169 else 170 printf("%s missing", path); 171 } 172 if (p->type != F_DIR && p->type != F_LINK) { 173 putchar('\n'); 174 continue; 175 } 176 177 create = 0; 178 if (p->type == F_LINK) 179 type = "symlink"; 180 else 181 type = "directory"; 182 if (!(p->flags & F_VISIT) && uflag) { 183 if (!(p->flags & (F_UID | F_UNAME))) 184 printf(" (%s not created: user not specified)", type); 185 else if (!(p->flags & (F_GID | F_GNAME))) 186 printf(" (%s not created: group not specified)", type); 187 else if (p->type == F_LINK) { 188 if (symlink(p->slink, path)) 189 printf(" (symlink not created: %s)\n", 190 strerror(errno)); 191 else 192 printf(" (created)\n"); 193 if (lchown(path, p->st_uid, p->st_gid)) 194 printf("%s: user/group not modified: %s\n", 195 path, strerror(errno)); 196 continue; 197 } else if (!(p->flags & F_MODE)) 198 printf(" (directory not created: mode not specified)"); 199 else if (mkdir(path, S_IRWXU)) 200 printf(" (directory not created: %s)", 201 strerror(errno)); 202 else { 203 create = 1; 204 printf(" (created)"); 205 } 206 } 207 if (!(p->flags & F_VISIT)) 208 putchar('\n'); 209 210 for (tp = tail; *tp; ++tp); 211 *tp = '/'; 212 miss(p->child, tp + 1); 213 *tp = '\0'; 214 215 if (!create) 216 continue; 217 if (chown(path, p->st_uid, p->st_gid)) { 218 printf("%s: user/group/mode not modified: %s\n", 219 path, strerror(errno)); 220 printf("%s: warning: file mode %snot set\n", path, 221 (p->flags & F_FLAGS) ? "and file flags " : ""); 222 continue; 223 } 224 if (chmod(path, p->st_mode)) 225 printf("%s: permissions not set: %s\n", 226 path, strerror(errno)); 227 if ((p->flags & F_FLAGS) && p->st_flags && 228 chflags(path, p->st_flags)) 229 printf("%s: file flags not set: %s\n", 230 path, strerror(errno)); 231 } 232 } 233