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 * @(#)verify.c 8.1 (Berkeley) 6/6/93 30 * $FreeBSD: src/usr.sbin/mtree/verify.c,v 1.10.2.2 2001/01/12 19:17:18 phk Exp $ 31 * $DragonFly: src/usr.sbin/mtree/verify.c,v 1.5 2004/03/15 16:24:22 dillon Exp $ 32 */ 33 34 #include <sys/param.h> 35 #include <sys/stat.h> 36 #include <dirent.h> 37 #include <err.h> 38 #include <errno.h> 39 #include <fts.h> 40 #include <fnmatch.h> 41 #include <stdio.h> 42 #include <unistd.h> 43 #include "mtree.h" 44 #include "extern.h" 45 46 static NODE *root; 47 static char path[MAXPATHLEN]; 48 49 static void miss(NODE *, char *); 50 static int vwalk(void); 51 52 int 53 verify(void) 54 { 55 int rval; 56 57 root = spec(); 58 rval = vwalk(); 59 miss(root, path); 60 return (rval); 61 } 62 63 static int 64 vwalk(void) 65 { 66 FTS *t; 67 FTSENT *p; 68 NODE *ep, *level; 69 int specdepth, rval; 70 char *argv[2], dot[] = "."; 71 72 argv[0] = dot; 73 argv[1] = NULL; 74 if ((t = fts_open(argv, ftsoptions, NULL)) == NULL) 75 err(1, "line %d: fts_open", lineno); 76 level = root; 77 specdepth = rval = 0; 78 while ((p = fts_read(t))) { 79 if (check_excludes(p->fts_name, p->fts_path)) { 80 fts_set(t, p, FTS_SKIP); 81 continue; 82 } 83 switch(p->fts_info) { 84 case FTS_D: 85 case FTS_SL: 86 break; 87 case FTS_DP: 88 if (specdepth > p->fts_level) { 89 for (level = level->parent; level->prev; 90 level = level->prev); 91 --specdepth; 92 } 93 continue; 94 case FTS_DNR: 95 case FTS_ERR: 96 case FTS_NS: 97 warnx("%s: %s", RP(p), strerror(p->fts_errno)); 98 continue; 99 default: 100 if (dflag) 101 continue; 102 } 103 104 if (specdepth != p->fts_level) 105 goto extra; 106 for (ep = level; ep; ep = ep->next) 107 if ((ep->flags & F_MAGIC && 108 !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) || 109 !strcmp(ep->name, p->fts_name)) { 110 ep->flags |= F_VISIT; 111 if ((ep->flags & F_NOCHANGE) == 0 && 112 compare(ep, p)) 113 rval = MISMATCHEXIT; 114 if (ep->flags & F_IGN) 115 fts_set(t, p, FTS_SKIP); 116 else if (ep->child && ep->type == F_DIR && 117 p->fts_info == FTS_D) { 118 level = ep->child; 119 ++specdepth; 120 } 121 break; 122 } 123 124 if (ep) 125 continue; 126 extra: 127 if (!eflag) { 128 printf("%s extra", RP(p)); 129 if (rflag) { 130 if ((S_ISDIR(p->fts_statp->st_mode) 131 ? rmdir : unlink)(p->fts_accpath)) { 132 printf(", not removed: %s", 133 strerror(errno)); 134 } else 135 printf(", removed"); 136 } 137 putchar('\n'); 138 } 139 fts_set(t, p, FTS_SKIP); 140 } 141 fts_close(t); 142 if (sflag) 143 warnx("%s checksum: %lu", fullpath, crc_total); 144 return (rval); 145 } 146 147 static void 148 miss(NODE *p, char *tail) 149 { 150 int create; 151 char *tp; 152 const char *type; 153 154 for (; p; p = p->next) { 155 if (p->type != F_DIR && (dflag || p->flags & F_VISIT)) 156 continue; 157 strcpy(tail, p->name); 158 if (!(p->flags & F_VISIT)) { 159 /* Don't print missing message if file exists as a 160 symbolic link and the -q flag is set. */ 161 struct stat statbuf; 162 163 if (qflag && stat(path, &statbuf) == 0) 164 p->flags |= F_VISIT; 165 else 166 printf("%s missing", path); 167 } 168 if (p->type != F_DIR && p->type != F_LINK) { 169 putchar('\n'); 170 continue; 171 } 172 173 create = 0; 174 if (p->type == F_LINK) 175 type = "symlink"; 176 else 177 type = "directory"; 178 if (!(p->flags & F_VISIT) && uflag) { 179 if (!(p->flags & (F_UID | F_UNAME))) 180 printf(" (%s not created: user not specified)", type); 181 else if (!(p->flags & (F_GID | F_GNAME))) 182 printf(" (%s not created: group not specified)", type); 183 else if (p->type == F_LINK) { 184 if (symlink(p->slink, path)) 185 printf(" (symlink not created: %s)\n", 186 strerror(errno)); 187 else 188 printf(" (created)\n"); 189 if (lchown(path, p->st_uid, p->st_gid)) 190 printf("%s: user/group not modified: %s\n", 191 path, strerror(errno)); 192 continue; 193 } else if (!(p->flags & F_MODE)) 194 printf(" (directory not created: mode not specified)"); 195 else if (mkdir(path, S_IRWXU)) 196 printf(" (directory not created: %s)", 197 strerror(errno)); 198 else { 199 create = 1; 200 printf(" (created)"); 201 } 202 } 203 if (!(p->flags & F_VISIT)) 204 putchar('\n'); 205 206 for (tp = tail; *tp; ++tp); 207 *tp = '/'; 208 miss(p->child, tp + 1); 209 *tp = '\0'; 210 211 if (!create) 212 continue; 213 if (chown(path, p->st_uid, p->st_gid)) { 214 printf("%s: user/group/mode not modified: %s\n", 215 path, strerror(errno)); 216 printf("%s: warning: file mode %snot set\n", path, 217 (p->flags & F_FLAGS) ? "and file flags " : ""); 218 continue; 219 } 220 if (chmod(path, p->st_mode)) 221 printf("%s: permissions not set: %s\n", 222 path, strerror(errno)); 223 if ((p->flags & F_FLAGS) && p->st_flags && 224 chflags(path, p->st_flags)) 225 printf("%s: file flags not set: %s\n", 226 path, strerror(errno)); 227 } 228 } 229