verify.c revision 99802
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 34#ifndef lint 35#if 0 36static char sccsid[] = "@(#)verify.c 8.1 (Berkeley) 6/6/93"; 37#endif 38static const char rcsid[] = 39 "$FreeBSD: head/usr.sbin/mtree/verify.c 99802 2002-07-11 18:42:53Z alfred $"; 40#endif /* not lint */ 41 42#include <sys/param.h> 43#include <sys/stat.h> 44#include <dirent.h> 45#include <err.h> 46#include <errno.h> 47#include <fts.h> 48#include <fnmatch.h> 49#include <stdio.h> 50#include <unistd.h> 51#include "mtree.h" 52#include "extern.h" 53 54extern long int crc_total; 55extern int ftsoptions; 56extern int dflag, eflag, qflag, rflag, sflag, uflag; 57extern char fullpath[MAXPATHLEN]; 58extern int lineno; 59 60static NODE *root; 61static char path[MAXPATHLEN]; 62 63static void miss(NODE *, char *); 64static int vwalk(void); 65 66int 67verify() 68{ 69 int rval; 70 71 root = spec(); 72 rval = vwalk(); 73 miss(root, path); 74 return (rval); 75} 76 77static int 78vwalk() 79{ 80 register FTS *t; 81 register FTSENT *p; 82 register NODE *ep, *level; 83 int specdepth, rval; 84 char *argv[2]; 85 char dot[] = "."; 86 87 argv[0] = dot; 88 argv[1] = NULL; 89 if ((t = fts_open(argv, ftsoptions, NULL)) == NULL) 90 err(1, "line %d: fts_open", lineno); 91 level = root; 92 specdepth = rval = 0; 93 while ((p = fts_read(t))) { 94 if (check_excludes(p->fts_name, p->fts_path)) { 95 fts_set(t, p, FTS_SKIP); 96 continue; 97 } 98 switch(p->fts_info) { 99 case FTS_D: 100 case FTS_SL: 101 break; 102 case FTS_DP: 103 if (specdepth > p->fts_level) { 104 for (level = level->parent; level->prev; 105 level = level->prev); 106 --specdepth; 107 } 108 continue; 109 case FTS_DNR: 110 case FTS_ERR: 111 case FTS_NS: 112 warnx("%s: %s", RP(p), strerror(p->fts_errno)); 113 continue; 114 default: 115 if (dflag) 116 continue; 117 } 118 119 if (specdepth != p->fts_level) 120 goto extra; 121 for (ep = level; ep; ep = ep->next) 122 if ((ep->flags & F_MAGIC && 123 !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) || 124 !strcmp(ep->name, p->fts_name)) { 125 ep->flags |= F_VISIT; 126 if ((ep->flags & F_NOCHANGE) == 0 && 127 compare(ep->name, ep, p)) 128 rval = MISMATCHEXIT; 129 if (ep->flags & F_IGN) 130 (void)fts_set(t, p, FTS_SKIP); 131 else if (ep->child && ep->type == F_DIR && 132 p->fts_info == FTS_D) { 133 level = ep->child; 134 ++specdepth; 135 } 136 break; 137 } 138 139 if (ep) 140 continue; 141extra: 142 if (!eflag) { 143 (void)printf("%s extra", RP(p)); 144 if (rflag) { 145 if ((S_ISDIR(p->fts_statp->st_mode) 146 ? rmdir : unlink)(p->fts_accpath)) { 147 (void)printf(", not removed: %s", 148 strerror(errno)); 149 } else 150 (void)printf(", removed"); 151 } 152 (void)putchar('\n'); 153 } 154 (void)fts_set(t, p, FTS_SKIP); 155 } 156 (void)fts_close(t); 157 if (sflag) 158 warnx("%s checksum: %lu", fullpath, crc_total); 159 return (rval); 160} 161 162static void 163miss(p, tail) 164 register NODE *p; 165 register char *tail; 166{ 167 register int create; 168 register char *tp; 169 const char *type; 170 171 for (; p; p = p->next) { 172 if (p->type != F_DIR && (dflag || p->flags & F_VISIT)) 173 continue; 174 (void)strcpy(tail, p->name); 175 if (!(p->flags & F_VISIT)) { 176 /* Don't print missing message if file exists as a 177 symbolic link and the -q flag is set. */ 178 struct stat statbuf; 179 180 if (qflag && stat(path, &statbuf) == 0) 181 p->flags |= F_VISIT; 182 else 183 (void)printf("%s missing", path); 184 } 185 if (p->type != F_DIR && p->type != F_LINK) { 186 putchar('\n'); 187 continue; 188 } 189 190 create = 0; 191 if (p->type == F_LINK) 192 type = "symlink"; 193 else 194 type = "directory"; 195 if (!(p->flags & F_VISIT) && uflag) { 196 if (!(p->flags & (F_UID | F_UNAME))) 197 (void)printf(" (%s not created: user not specified)", type); 198 else if (!(p->flags & (F_GID | F_GNAME))) 199 (void)printf(" (%s not created: group not specified)", type); 200 else if (p->type == F_LINK) { 201 if (symlink(p->slink, path)) 202 (void)printf(" (symlink not created: %s)\n", 203 strerror(errno)); 204 else 205 (void)printf(" (created)\n"); 206 if (lchown(path, p->st_uid, p->st_gid)) 207 (void)printf("%s: user/group not modified: %s\n", 208 path, strerror(errno)); 209 continue; 210 } else if (!(p->flags & F_MODE)) 211 (void)printf(" (directory not created: mode not specified)"); 212 else if (mkdir(path, S_IRWXU)) 213 (void)printf(" (directory not created: %s)", 214 strerror(errno)); 215 else { 216 create = 1; 217 (void)printf(" (created)"); 218 } 219 } 220 if (!(p->flags & F_VISIT)) 221 (void)putchar('\n'); 222 223 for (tp = tail; *tp; ++tp); 224 *tp = '/'; 225 miss(p->child, tp + 1); 226 *tp = '\0'; 227 228 if (!create) 229 continue; 230 if (chown(path, p->st_uid, p->st_gid)) { 231 (void)printf("%s: user/group/mode not modified: %s\n", 232 path, strerror(errno)); 233 (void)printf("%s: warning: file mode %snot set\n", path, 234 (p->flags & F_FLAGS) ? "and file flags " : ""); 235 continue; 236 } 237 if (chmod(path, p->st_mode)) 238 (void)printf("%s: permissions not set: %s\n", 239 path, strerror(errno)); 240 if ((p->flags & F_FLAGS) && p->st_flags && 241 chflags(path, p->st_flags)) 242 (void)printf("%s: file flags not set: %s\n", 243 path, strerror(errno)); 244 } 245} 246