verify.c revision 160083
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: head/usr.sbin/mtree/verify.c 160083 2006-07-03 10:55:22Z maxim $"); 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 50static NODE *root; 51static char path[MAXPATHLEN]; 52 53static void miss(NODE *, char *); 54static int vwalk(void); 55 56int 57mtree_verifyspec(FILE *fi) 58{ 59 int rval; 60 61 root = mtree_readspec(fi); 62 rval = vwalk(); 63 miss(root, path); 64 return (rval); 65} 66 67static int 68vwalk(void) 69{ 70 FTS *t; 71 FTSENT *p; 72 NODE *ep, *level; 73 int specdepth, rval; 74 char *argv[2]; 75 char dot[] = "."; 76 77 argv[0] = dot; 78 argv[1] = NULL; 79 if ((t = fts_open(argv, ftsoptions, NULL)) == NULL) 80 err(1, "line %d: fts_open", lineno); 81 level = root; 82 specdepth = rval = 0; 83 while ((p = fts_read(t))) { 84 if (check_excludes(p->fts_name, p->fts_path)) { 85 fts_set(t, p, FTS_SKIP); 86 continue; 87 } 88 switch(p->fts_info) { 89 case FTS_D: 90 case FTS_SL: 91 break; 92 case FTS_DP: 93 if (specdepth > p->fts_level) { 94 for (level = level->parent; level->prev; 95 level = level->prev); 96 --specdepth; 97 } 98 continue; 99 case FTS_DNR: 100 case FTS_ERR: 101 case FTS_NS: 102 warnx("%s: %s", RP(p), strerror(p->fts_errno)); 103 continue; 104 default: 105 if (dflag) 106 continue; 107 } 108 109 if (specdepth != p->fts_level) 110 goto extra; 111 for (ep = level; ep; ep = ep->next) 112 if ((ep->flags & F_MAGIC && 113 !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) || 114 !strcmp(ep->name, p->fts_name)) { 115 ep->flags |= F_VISIT; 116 if ((ep->flags & F_NOCHANGE) == 0 && 117 compare(ep->name, ep, p)) 118 rval = MISMATCHEXIT; 119 if (ep->flags & F_IGN) 120 (void)fts_set(t, p, FTS_SKIP); 121 else if (ep->child && ep->type == F_DIR && 122 p->fts_info == FTS_D) { 123 level = ep->child; 124 ++specdepth; 125 } 126 break; 127 } 128 129 if (ep) 130 continue; 131extra: 132 if (!eflag) { 133 (void)printf("%s extra", RP(p)); 134 if (rflag) { 135 if ((S_ISDIR(p->fts_statp->st_mode) 136 ? rmdir : unlink)(p->fts_accpath)) { 137 (void)printf(", not removed: %s", 138 strerror(errno)); 139 } else 140 (void)printf(", removed"); 141 } 142 (void)putchar('\n'); 143 } 144 (void)fts_set(t, p, FTS_SKIP); 145 } 146 (void)fts_close(t); 147 if (sflag) 148 warnx("%s checksum: %lu", fullpath, (unsigned long)crc_total); 149 return (rval); 150} 151 152static void 153miss(NODE *p, char *tail) 154{ 155 int create; 156 char *tp; 157 const char *type, *what; 158 int serr; 159 160 for (; p; p = p->next) { 161 if (p->flags & F_OPT && !(p->flags & F_VISIT)) 162 continue; 163 if (p->type != F_DIR && (dflag || p->flags & F_VISIT)) 164 continue; 165 (void)strcpy(tail, p->name); 166 if (!(p->flags & F_VISIT)) { 167 /* Don't print missing message if file exists as a 168 symbolic link and the -q flag is set. */ 169 struct stat statbuf; 170 171 if (qflag && stat(path, &statbuf) == 0) 172 p->flags |= F_VISIT; 173 else 174 (void)printf("%s missing", path); 175 } 176 if (p->type != F_DIR && p->type != F_LINK) { 177 putchar('\n'); 178 continue; 179 } 180 181 create = 0; 182 if (p->type == F_LINK) 183 type = "symlink"; 184 else 185 type = "directory"; 186 if (!(p->flags & F_VISIT) && uflag) { 187 if (!(p->flags & (F_UID | F_UNAME))) 188 (void)printf(" (%s not created: user not specified)", type); 189 else if (!(p->flags & (F_GID | F_GNAME))) 190 (void)printf(" (%s not created: group not specified)", type); 191 else if (p->type == F_LINK) { 192 if (symlink(p->slink, path)) 193 (void)printf(" (symlink not created: %s)\n", 194 strerror(errno)); 195 else 196 (void)printf(" (created)\n"); 197 if (lchown(path, p->st_uid, p->st_gid) == -1) { 198 serr = errno; 199 if (p->st_uid == (uid_t)-1) 200 what = "group"; 201 else if (lchown(path, (uid_t)-1, 202 p->st_gid) == -1) 203 what = "user & group"; 204 else { 205 what = "user"; 206 errno = serr; 207 } 208 (void)printf("%s: %s not modified: %s" 209 "\n", path, what, strerror(errno)); 210 } 211 continue; 212 } else if (!(p->flags & F_MODE)) 213 (void)printf(" (directory not created: mode not specified)"); 214 else if (mkdir(path, S_IRWXU)) 215 (void)printf(" (directory not created: %s)", 216 strerror(errno)); 217 else { 218 create = 1; 219 (void)printf(" (created)"); 220 } 221 } 222 if (!(p->flags & F_VISIT)) 223 (void)putchar('\n'); 224 225 for (tp = tail; *tp; ++tp); 226 *tp = '/'; 227 miss(p->child, tp + 1); 228 *tp = '\0'; 229 230 if (!create) 231 continue; 232 if (chown(path, p->st_uid, p->st_gid) == -1) { 233 serr = errno; 234 if (p->st_uid == (uid_t)-1) 235 what = "group"; 236 else if (chown(path, (uid_t)-1, p->st_gid) == -1) 237 what = "user & group"; 238 else { 239 what = "user"; 240 errno = serr; 241 } 242 (void)printf("%s: %s not modified: %s\n", 243 path, what, strerror(errno)); 244 } 245 if (chmod(path, p->st_mode)) 246 (void)printf("%s: permissions not set: %s\n", 247 path, strerror(errno)); 248 if ((p->flags & F_FLAGS) && p->st_flags && 249 chflags(path, p->st_flags)) 250 (void)printf("%s: file flags not set: %s\n", 251 path, strerror(errno)); 252 } 253} 254