1 /* $NetBSD: verify.c,v 1.47 2021/03/18 20:02:18 cheusov Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #if HAVE_NBTOOL_CONFIG_H 33 #include "nbtool_config.h" 34 #endif 35 36 #include <sys/cdefs.h> 37 #if defined(__RCSID) && !defined(lint) 38 #if 0 39 static char sccsid[] = "@(#)verify.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 __RCSID("$NetBSD: verify.c,v 1.47 2021/03/18 20:02:18 cheusov Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/stat.h> 47 48 #if ! HAVE_NBTOOL_CONFIG_H 49 #include <dirent.h> 50 #endif 51 52 #include <errno.h> 53 #include <fnmatch.h> 54 #include <stdio.h> 55 #include <string.h> 56 #include <unistd.h> 57 58 #include "extern.h" 59 60 static NODE *root; 61 static char path[MAXPATHLEN]; 62 63 static void miss(NODE *, char *); 64 static int vwalk(void); 65 66 int 67 verify(FILE *fi) 68 { 69 int rval; 70 71 root = spec(fi); 72 rval = vwalk(); 73 miss(root, path); 74 return (rval); 75 } 76 77 static int 78 vwalk(void) 79 { 80 FTS *t; 81 FTSENT *p; 82 NODE *ep, *level; 83 int specdepth, rval; 84 char *argv[2]; 85 char dot[] = "."; 86 argv[0] = dot; 87 argv[1] = NULL; 88 89 if ((t = fts_open(argv, ftsoptions, NULL)) == NULL) 90 mtree_err("fts_open: %s", strerror(errno)); 91 level = root; 92 specdepth = rval = 0; 93 while ((p = fts_read(t)) != NULL) { 94 if (check_excludes(p->fts_name, p->fts_path)) { 95 fts_set(t, p, FTS_SKIP); 96 continue; 97 } 98 if (!find_only(p->fts_path)) { 99 fts_set(t, p, FTS_SKIP); 100 continue; 101 } 102 switch(p->fts_info) { 103 case FTS_D: 104 case FTS_SL: 105 break; 106 case FTS_DP: 107 if (specdepth > p->fts_level) { 108 for (level = level->parent; level->prev; 109 level = level->prev) 110 continue; 111 --specdepth; 112 } 113 continue; 114 case FTS_DNR: 115 case FTS_ERR: 116 case FTS_NS: 117 warnx("%s: %s", RP(p), strerror(p->fts_errno)); 118 continue; 119 default: 120 if (dflag) 121 continue; 122 } 123 124 if (specdepth != p->fts_level) 125 goto extra; 126 for (ep = level; ep; ep = ep->next) 127 if ((ep->flags & F_MAGIC && 128 !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) || 129 !strcmp(ep->name, p->fts_name)) { 130 ep->flags |= F_VISIT; 131 if ((ep->flags & F_NOCHANGE) == 0 && 132 compare(ep, p)) 133 rval = MISMATCHEXIT; 134 if (!(ep->flags & F_IGN) && 135 ep->type == F_DIR && 136 p->fts_info == FTS_D) { 137 if (ep->child) { 138 level = ep->child; 139 ++specdepth; 140 } 141 } else 142 fts_set(t, p, FTS_SKIP); 143 break; 144 } 145 146 if (ep) 147 continue; 148 extra: 149 if (!eflag && !(dflag && p->fts_info == FTS_SL)) { 150 printf("extra: %s", RP(p)); 151 if (rflag) { 152 #if HAVE_STRUCT_STAT_ST_FLAGS 153 if (rflag > 1 && 154 lchflags(p->fts_accpath, 0) == -1) 155 printf(" (chflags %s)", 156 strerror(errno)); 157 #endif 158 if ((S_ISDIR(p->fts_statp->st_mode) 159 ? rmdir : unlink)(p->fts_accpath)) { 160 printf(", not removed: %s", 161 strerror(errno)); 162 } else 163 printf(", removed"); 164 } 165 putchar('\n'); 166 } 167 fts_set(t, p, FTS_SKIP); 168 } 169 fts_close(t); 170 if (sflag) 171 warnx("%s checksum: %u", fullpath, crc_total); 172 return (rval); 173 } 174 175 static void 176 miss(NODE *p, char *tail) 177 { 178 int create; 179 char *tp; 180 const char *type; 181 uint32_t flags; 182 183 for (; p; p = p->next) { 184 if (p->flags & F_OPT && !(p->flags & F_VISIT)) 185 continue; 186 if (p->type != F_DIR && (dflag || p->flags & F_VISIT)) 187 continue; 188 strcpy(tail, p->name); 189 if (!(p->flags & F_VISIT)) { 190 /* Don't print missing message if file exists as a 191 symbolic link and the -q flag is set. */ 192 struct stat statbuf; 193 194 if (qflag && stat(path, &statbuf) == 0 && 195 S_ISDIR(statbuf.st_mode)) 196 p->flags |= F_VISIT; 197 else 198 (void)printf("%s missing", path); 199 } 200 switch (p->type) { 201 case F_BLOCK: 202 case F_CHAR: 203 type = "device"; 204 break; 205 case F_DIR: 206 type = "directory"; 207 break; 208 case F_LINK: 209 type = "symlink"; 210 break; 211 default: 212 putchar('\n'); 213 continue; 214 } 215 216 create = 0; 217 if (!(p->flags & F_VISIT) && uflag) { 218 if (mtree_Wflag || p->type == F_LINK) 219 goto createit; 220 if (!(p->flags & (F_UID | F_UNAME))) 221 printf( 222 " (%s not created: user not specified)", type); 223 else if (!(p->flags & (F_GID | F_GNAME))) 224 printf( 225 " (%s not created: group not specified)", type); 226 else if (!(p->flags & F_MODE)) 227 printf( 228 " (%s not created: mode not specified)", type); 229 else 230 createit: 231 switch (p->type) { 232 case F_BLOCK: 233 case F_CHAR: 234 if (mtree_Wflag) 235 continue; 236 if (!(p->flags & F_DEV)) 237 printf( 238 " (%s not created: device not specified)", 239 type); 240 else if (mknod(path, 241 p->st_mode | nodetoino(p->type), 242 p->st_rdev) == -1) 243 printf(" (%s not created: %s)\n", 244 type, strerror(errno)); 245 else 246 create = 1; 247 break; 248 case F_LINK: 249 if (!(p->flags & F_SLINK)) 250 printf( 251 " (%s not created: link not specified)\n", 252 type); 253 else if (symlink(p->slink, path)) 254 printf( 255 " (%s not created: %s)\n", 256 type, strerror(errno)); 257 else 258 create = 1; 259 break; 260 case F_DIR: 261 if (mkdir(path, S_IRWXU|S_IRWXG|S_IRWXO)) 262 printf(" (not created: %s)", 263 strerror(errno)); 264 else 265 create = 1; 266 break; 267 default: 268 mtree_err("can't create create %s", 269 nodetype(p->type)); 270 } 271 } 272 if (create) 273 printf(" (created)"); 274 if (p->type == F_DIR) { 275 if (!(p->flags & F_VISIT)) 276 putchar('\n'); 277 for (tp = tail; *tp; ++tp) 278 continue; 279 *tp = '/'; 280 miss(p->child, tp + 1); 281 *tp = '\0'; 282 } else 283 putchar('\n'); 284 285 if (!create || mtree_Wflag) 286 continue; 287 if ((p->flags & (F_UID | F_UNAME)) && 288 (p->flags & (F_GID | F_GNAME)) && 289 (lchown(path, p->st_uid, p->st_gid))) { 290 printf("%s: user/group/mode not modified: %s\n", 291 path, strerror(errno)); 292 printf("%s: warning: file mode %snot set\n", path, 293 (p->flags & F_FLAGS) ? "and file flags " : ""); 294 continue; 295 } 296 if (p->flags & F_MODE) { 297 if (lchmod(path, p->st_mode)) 298 printf("%s: permissions not set: %s\n", 299 path, strerror(errno)); 300 } 301 #if HAVE_STRUCT_STAT_ST_FLAGS 302 if ((p->flags & F_FLAGS) && p->st_flags) { 303 if (iflag) 304 flags = p->st_flags; 305 else 306 flags = p->st_flags & ~SP_FLGS; 307 if (lchflags(path, flags)) 308 printf("%s: file flags not set: %s\n", 309 path, strerror(errno)); 310 } 311 #endif /* HAVE_STRUCT_STAT_ST_FLAGS */ 312 } 313 } 314