create.c revision 1.53
1 /* $NetBSD: create.c,v 1.53 2007/11/19 08:42:24 rillig Exp $ */ 2 3 /*- 4 * Copyright (c) 1989, 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[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 __RCSID("$NetBSD: create.c,v 1.53 2007/11/19 08:42:24 rillig 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 <fcntl.h> 54 #include <grp.h> 55 #include <pwd.h> 56 #include <stdio.h> 57 #include <stdarg.h> 58 #include <stdlib.h> 59 #include <string.h> 60 #include <time.h> 61 #include <unistd.h> 62 63 #ifndef NO_MD5 64 #include <md5.h> 65 #endif 66 #ifndef NO_RMD160 67 #include <rmd160.h> 68 #endif 69 #ifndef NO_SHA1 70 #include <sha1.h> 71 #endif 72 #ifndef NO_SHA2 73 #include <sha2.h> 74 #endif 75 76 #include "extern.h" 77 78 #define INDENTNAMELEN 15 79 #define MAXLINELEN 80 80 81 static gid_t gid; 82 static uid_t uid; 83 static mode_t mode; 84 static u_long flags; 85 86 static int dsort(const FTSENT **, const FTSENT **); 87 static void output(int *, const char *, ...) 88 __attribute__((__format__(__printf__, 2, 3))); 89 static int statd(FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, u_long *); 90 static void statf(FTSENT *); 91 92 void 93 cwalk(void) 94 { 95 FTS *t; 96 FTSENT *p; 97 time_t clocktime; 98 char host[MAXHOSTNAMELEN + 1]; 99 char *argv[2]; 100 char dot[] = "."; 101 argv[0] = dot; 102 argv[1] = NULL; 103 104 time(&clocktime); 105 gethostname(host, sizeof(host)); 106 host[sizeof(host) - 1] = '\0'; 107 printf( 108 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 109 getlogin(), host, fullpath, ctime(&clocktime)); 110 111 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 112 mtree_err("fts_open: %s", strerror(errno)); 113 while ((p = fts_read(t)) != NULL) { 114 if (check_excludes(p->fts_name, p->fts_path)) { 115 fts_set(t, p, FTS_SKIP); 116 continue; 117 } 118 switch(p->fts_info) { 119 case FTS_D: 120 printf("\n# %s\n", p->fts_path); 121 statd(t, p, &uid, &gid, &mode, &flags); 122 statf(p); 123 break; 124 case FTS_DP: 125 if (p->fts_level > 0) 126 printf("# %s\n..\n\n", p->fts_path); 127 break; 128 case FTS_DNR: 129 case FTS_ERR: 130 case FTS_NS: 131 mtree_err("%s: %s", 132 p->fts_path, strerror(p->fts_errno)); 133 break; 134 default: 135 if (!dflag) 136 statf(p); 137 break; 138 139 } 140 } 141 fts_close(t); 142 if (sflag && keys & F_CKSUM) 143 mtree_err("%s checksum: %u", fullpath, crc_total); 144 } 145 146 static void 147 statf(FTSENT *p) 148 { 149 u_int32_t len, val; 150 int fd, indent; 151 const char *name; 152 #if !defined(NO_MD5) || !defined(NO_RMD160) || !defined(NO_SHA1) || !defined(NO_SHA2) 153 char *digestbuf; 154 #endif 155 156 indent = printf("%s%s", 157 S_ISDIR(p->fts_statp->st_mode) ? "" : " ", vispath(p->fts_name)); 158 159 if (indent > INDENTNAMELEN) 160 indent = MAXLINELEN; 161 else 162 indent += printf("%*s", INDENTNAMELEN - indent, ""); 163 164 if (!S_ISREG(p->fts_statp->st_mode)) 165 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 166 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) { 167 if (keys & F_UNAME && 168 (name = user_from_uid(p->fts_statp->st_uid, 1)) != NULL) 169 output(&indent, "uname=%s", name); 170 else /* if (keys & F_UID) */ 171 output(&indent, "uid=%u", p->fts_statp->st_uid); 172 } 173 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) { 174 if (keys & F_GNAME && 175 (name = group_from_gid(p->fts_statp->st_gid, 1)) != NULL) 176 output(&indent, "gname=%s", name); 177 else /* if (keys & F_GID) */ 178 output(&indent, "gid=%u", p->fts_statp->st_gid); 179 } 180 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 181 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 182 if (keys & F_DEV && 183 (S_ISBLK(p->fts_statp->st_mode) || S_ISCHR(p->fts_statp->st_mode))) 184 output(&indent, "device=%#x", p->fts_statp->st_rdev); 185 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 186 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 187 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 188 output(&indent, "size=%lld", (long long)p->fts_statp->st_size); 189 if (keys & F_TIME) 190 #if defined(BSD4_4) && !defined(HAVE_NBTOOL_CONFIG_H) 191 output(&indent, "time=%ld.%ld", 192 (long)p->fts_statp->st_mtimespec.tv_sec, 193 p->fts_statp->st_mtimespec.tv_nsec); 194 #else 195 output(&indent, "time=%ld.%ld", 196 (long)p->fts_statp->st_mtime, (long)0); 197 #endif 198 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 199 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 200 crc(fd, &val, &len)) 201 mtree_err("%s: %s", p->fts_accpath, strerror(errno)); 202 close(fd); 203 output(&indent, "cksum=%lu", (long)val); 204 } 205 #ifndef NO_MD5 206 if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) { 207 if ((digestbuf = MD5File(p->fts_accpath, NULL)) == NULL) 208 mtree_err("%s: %s", p->fts_accpath, "MD5File"); 209 output(&indent, "md5=%s", digestbuf); 210 free(digestbuf); 211 } 212 #endif /* ! NO_MD5 */ 213 #ifndef NO_RMD160 214 if (keys & F_RMD160 && S_ISREG(p->fts_statp->st_mode)) { 215 if ((digestbuf = RMD160File(p->fts_accpath, NULL)) == NULL) 216 mtree_err("%s: %s", p->fts_accpath, "RMD160File"); 217 output(&indent, "rmd160=%s", digestbuf); 218 free(digestbuf); 219 } 220 #endif /* ! NO_RMD160 */ 221 #ifndef NO_SHA1 222 if (keys & F_SHA1 && S_ISREG(p->fts_statp->st_mode)) { 223 if ((digestbuf = SHA1File(p->fts_accpath, NULL)) == NULL) 224 mtree_err("%s: %s", p->fts_accpath, "SHA1File"); 225 output(&indent, "sha1=%s", digestbuf); 226 free(digestbuf); 227 } 228 #endif /* ! NO_SHA1 */ 229 #ifndef NO_SHA2 230 if (keys & F_SHA256 && S_ISREG(p->fts_statp->st_mode)) { 231 if ((digestbuf = SHA256_File(p->fts_accpath, NULL)) == NULL) 232 mtree_err("%s: %s", p->fts_accpath, "SHA256_File"); 233 output(&indent, "sha256=%s", digestbuf); 234 free(digestbuf); 235 } 236 if (keys & F_SHA384 && S_ISREG(p->fts_statp->st_mode)) { 237 if ((digestbuf = SHA384_File(p->fts_accpath, NULL)) == NULL) 238 mtree_err("%s: %s", p->fts_accpath, "SHA384_File"); 239 output(&indent, "sha384=%s", digestbuf); 240 free(digestbuf); 241 } 242 if (keys & F_SHA512 && S_ISREG(p->fts_statp->st_mode)) { 243 if ((digestbuf = SHA512_File(p->fts_accpath, NULL)) == NULL) 244 mtree_err("%s: %s", p->fts_accpath, "SHA512_File"); 245 output(&indent, "sha512=%s", digestbuf); 246 free(digestbuf); 247 } 248 #endif /* ! NO_SHA2 */ 249 if (keys & F_SLINK && 250 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 251 output(&indent, "link=%s", vispath(rlink(p->fts_accpath))); 252 #if HAVE_STRUCT_STAT_ST_FLAGS 253 if (keys & F_FLAGS && p->fts_statp->st_flags != flags) 254 output(&indent, "flags=%s", 255 flags_to_string(p->fts_statp->st_flags, "none")); 256 #endif 257 putchar('\n'); 258 } 259 260 /* XXX 261 * FLAGS2INDEX will fail once the user and system settable bits need more 262 * than one byte, respectively. 263 */ 264 #define FLAGS2INDEX(x) (((x >> 8) & 0x0000ff00) | (x & 0x000000ff)) 265 266 #define MTREE_MAXGID 5000 267 #define MTREE_MAXUID 5000 268 #define MTREE_MAXMODE (MBITS + 1) 269 #if HAVE_STRUCT_STAT_ST_FLAGS 270 #define MTREE_MAXFLAGS (FLAGS2INDEX(CH_MASK) + 1) /* 1808 */ 271 #else 272 #define MTREE_MAXFLAGS 1 273 #endif 274 #define MTREE_MAXS 16 275 276 static int 277 statd(FTS *t, FTSENT *parent, uid_t *puid, gid_t *pgid, mode_t *pmode, 278 u_long *pflags) 279 { 280 FTSENT *p; 281 gid_t sgid; 282 uid_t suid; 283 mode_t smode; 284 u_long sflags = 0; 285 const char *name; 286 gid_t savegid; 287 uid_t saveuid; 288 mode_t savemode; 289 u_long saveflags; 290 u_short maxgid, maxuid, maxmode, maxflags; 291 u_short g[MTREE_MAXGID], u[MTREE_MAXUID], 292 m[MTREE_MAXMODE], f[MTREE_MAXFLAGS]; 293 static int first = 1; 294 295 savegid = *pgid; 296 saveuid = *puid; 297 savemode = *pmode; 298 saveflags = *pflags; 299 if ((p = fts_children(t, 0)) == NULL) { 300 if (errno) 301 mtree_err("%s: %s", RP(parent), strerror(errno)); 302 return (1); 303 } 304 305 memset(g, 0, sizeof(g)); 306 memset(u, 0, sizeof(u)); 307 memset(m, 0, sizeof(m)); 308 memset(f, 0, sizeof(f)); 309 310 maxuid = maxgid = maxmode = maxflags = 0; 311 for (; p; p = p->fts_link) { 312 smode = p->fts_statp->st_mode & MBITS; 313 if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) { 314 savemode = smode; 315 maxmode = m[smode]; 316 } 317 sgid = p->fts_statp->st_gid; 318 if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) { 319 savegid = sgid; 320 maxgid = g[sgid]; 321 } 322 suid = p->fts_statp->st_uid; 323 if (suid < MTREE_MAXUID && ++u[suid] > maxuid) { 324 saveuid = suid; 325 maxuid = u[suid]; 326 } 327 328 #if HAVE_STRUCT_STAT_ST_FLAGS 329 sflags = FLAGS2INDEX(p->fts_statp->st_flags); 330 if (sflags < MTREE_MAXFLAGS && ++f[sflags] > maxflags) { 331 saveflags = p->fts_statp->st_flags; 332 maxflags = f[sflags]; 333 } 334 #endif 335 } 336 /* 337 * If the /set record is the same as the last one we do not need to 338 * output a new one. So first we check to see if anything changed. 339 * Note that we always output a /set record for the first directory. 340 */ 341 if (((keys & (F_UNAME | F_UID)) && (*puid != saveuid)) || 342 ((keys & (F_GNAME | F_GID)) && (*pgid != savegid)) || 343 ((keys & F_MODE) && (*pmode != savemode)) || 344 ((keys & F_FLAGS) && (*pflags != saveflags)) || 345 first) { 346 first = 0; 347 printf("/set type=file"); 348 if (keys & (F_UID | F_UNAME)) { 349 if (keys & F_UNAME && 350 (name = user_from_uid(saveuid, 1)) != NULL) 351 printf(" uname=%s", name); 352 else /* if (keys & F_UID) */ 353 printf(" uid=%lu", (u_long)saveuid); 354 } 355 if (keys & (F_GID | F_GNAME)) { 356 if (keys & F_GNAME && 357 (name = group_from_gid(savegid, 1)) != NULL) 358 printf(" gname=%s", name); 359 else /* if (keys & F_UID) */ 360 printf(" gid=%lu", (u_long)savegid); 361 } 362 if (keys & F_MODE) 363 printf(" mode=%#lo", (u_long)savemode); 364 if (keys & F_NLINK) 365 printf(" nlink=1"); 366 if (keys & F_FLAGS) 367 printf(" flags=%s", 368 flags_to_string(saveflags, "none")); 369 printf("\n"); 370 *puid = saveuid; 371 *pgid = savegid; 372 *pmode = savemode; 373 *pflags = saveflags; 374 } 375 return (0); 376 } 377 378 static int 379 dsort(const FTSENT **a, const FTSENT **b) 380 { 381 382 if (S_ISDIR((*a)->fts_statp->st_mode)) { 383 if (!S_ISDIR((*b)->fts_statp->st_mode)) 384 return (1); 385 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 386 return (-1); 387 return (strcmp((*a)->fts_name, (*b)->fts_name)); 388 } 389 390 void 391 output(int *offset, const char *fmt, ...) 392 { 393 va_list ap; 394 char buf[1024]; 395 396 va_start(ap, fmt); 397 vsnprintf(buf, sizeof(buf), fmt, ap); 398 va_end(ap); 399 400 if (*offset + strlen(buf) > MAXLINELEN - 3) { 401 printf(" \\\n%*s", INDENTNAMELEN, ""); 402 *offset = INDENTNAMELEN; 403 } 404 *offset += printf(" %s", buf) + 1; 405 } 406
Indexes created Wed Sep 24 05:09:52 GMT 2025