create.c revision 1.42
1 /* $NetBSD: create.c,v 1.42 2002/12/23 04:40:19 lukem 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 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 1.42 2002/12/23 04:40:19 lukem Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/stat.h> 47 48 #if !HAVE_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 73 #include "extern.h" 74 75 #define INDENTNAMELEN 15 76 #define MAXLINELEN 80 77 78 static gid_t gid; 79 static uid_t uid; 80 static mode_t mode; 81 static u_long flags; 82 83 static int dsort(const FTSENT **, const FTSENT **); 84 static void output(int *, const char *, ...) 85 __attribute__((__format__(__printf__, 2, 3))); 86 static int statd(FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, u_long *); 87 static void statf(FTSENT *); 88 89 void 90 cwalk(void) 91 { 92 FTS *t; 93 FTSENT *p; 94 time_t clocktime; 95 char host[MAXHOSTNAMELEN + 1]; 96 char *argv[2]; 97 char dot[] = "."; 98 argv[0] = dot; 99 argv[1] = NULL; 100 101 time(&clocktime); 102 gethostname(host, sizeof(host)); 103 host[sizeof(host) - 1] = '\0'; 104 printf( 105 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 106 getlogin(), host, fullpath, ctime(&clocktime)); 107 108 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 109 mtree_err("fts_open: %s", strerror(errno)); 110 while ((p = fts_read(t)) != NULL) { 111 if (check_excludes(p->fts_name, p->fts_path)) { 112 fts_set(t, p, FTS_SKIP); 113 continue; 114 } 115 switch(p->fts_info) { 116 case FTS_D: 117 printf("\n# %s\n", p->fts_path); 118 statd(t, p, &uid, &gid, &mode, &flags); 119 statf(p); 120 break; 121 case FTS_DP: 122 if (p->fts_level > 0) 123 printf("# %s\n..\n\n", p->fts_path); 124 break; 125 case FTS_DNR: 126 case FTS_ERR: 127 case FTS_NS: 128 mtree_err("%s: %s", 129 p->fts_path, strerror(p->fts_errno)); 130 break; 131 default: 132 if (!dflag) 133 statf(p); 134 break; 135 136 } 137 } 138 fts_close(t); 139 if (sflag && keys & F_CKSUM) 140 mtree_err("%s checksum: %u", fullpath, crc_total); 141 } 142 143 static void 144 statf(FTSENT *p) 145 { 146 u_int32_t len, val; 147 int fd, indent; 148 const char *name, *path; 149 #if !defined(NO_MD5) || !defined(NO_RMD160) || !defined(NO_SHA1) 150 char digestbuf[41]; /* large enough for {MD5,RMD160,SHA1}File() */ 151 #endif 152 153 path = vispath(p->fts_name); 154 indent = printf("%s%s", 155 S_ISDIR(p->fts_statp->st_mode) ? "" : " ", path); 156 157 if (indent > INDENTNAMELEN) 158 indent = MAXLINELEN; 159 else 160 indent += printf("%*s", INDENTNAMELEN - indent, ""); 161 162 if (!S_ISREG(p->fts_statp->st_mode)) 163 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 164 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) { 165 if (keys & F_UNAME && 166 (name = user_from_uid(p->fts_statp->st_uid, 1)) != NULL) 167 output(&indent, "uname=%s", name); 168 else /* if (keys & F_UID) */ 169 output(&indent, "uid=%u", p->fts_statp->st_uid); 170 } 171 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) { 172 if (keys & F_GNAME && 173 (name = group_from_gid(p->fts_statp->st_gid, 1)) != NULL) 174 output(&indent, "gname=%s", name); 175 else /* if (keys & F_GID) */ 176 output(&indent, "gid=%u", p->fts_statp->st_gid); 177 } 178 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 179 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 180 if (keys & F_DEV && 181 (S_ISBLK(p->fts_statp->st_mode) || S_ISCHR(p->fts_statp->st_mode))) 182 output(&indent, "device=%#x", p->fts_statp->st_rdev); 183 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 184 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 185 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 186 output(&indent, "size=%lld", (long long)p->fts_statp->st_size); 187 #ifdef BSD4_4 188 if (keys & F_TIME) 189 output(&indent, "time=%ld.%ld", 190 (long)p->fts_statp->st_mtimespec.tv_sec, 191 p->fts_statp->st_mtimespec.tv_nsec); 192 #else 193 output(&indent, "time=%ld.%ld", 194 p->fts_statp->st_mtime, 0); 195 #endif 196 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 197 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 198 crc(fd, &val, &len)) 199 mtree_err("%s: %s", p->fts_accpath, strerror(errno)); 200 close(fd); 201 output(&indent, "cksum=%lu", (long)val); 202 } 203 #ifndef NO_MD5 204 if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) { 205 if (MD5File(p->fts_accpath, digestbuf) == NULL) 206 mtree_err("%s: %s", p->fts_accpath, "MD5File"); 207 output(&indent, "md5=%s", digestbuf); 208 } 209 #endif /* ! NO_MD5 */ 210 #ifndef NO_RMD160 211 if (keys & F_RMD160 && S_ISREG(p->fts_statp->st_mode)) { 212 if (RMD160File(p->fts_accpath, digestbuf) == NULL) 213 mtree_err("%s: %s", p->fts_accpath, "RMD160File"); 214 output(&indent, "rmd160=%s", digestbuf); 215 } 216 #endif /* ! NO_RMD160 */ 217 #ifndef NO_SHA1 218 if (keys & F_SHA1 && S_ISREG(p->fts_statp->st_mode)) { 219 if (SHA1File(p->fts_accpath, digestbuf) == NULL) 220 mtree_err("%s: %s", p->fts_accpath, "SHA1File"); 221 output(&indent, "sha1=%s", digestbuf); 222 } 223 #endif /* ! NO_SHA1 */ 224 if (keys & F_SLINK && 225 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 226 output(&indent, "link=%s", rlink(p->fts_accpath)); 227 #if HAVE_STRUCT_STAT_ST_FLAGS 228 if (keys & F_FLAGS && p->fts_statp->st_flags != flags) 229 output(&indent, "flags=%s", 230 flags_to_string(p->fts_statp->st_flags, "none")); 231 #endif 232 putchar('\n'); 233 } 234 235 /* XXX 236 * FLAGS2INDEX will fail once the user and system settable bits need more 237 * than one byte, respectively. 238 */ 239 #define FLAGS2INDEX(x) (((x >> 8) & 0x0000ff00) | (x & 0x000000ff)) 240 241 #define MTREE_MAXGID 5000 242 #define MTREE_MAXUID 5000 243 #define MTREE_MAXMODE (MBITS + 1) 244 #if HAVE_STRUCT_STAT_ST_FLAGS 245 #define MTREE_MAXFLAGS (FLAGS2INDEX(CH_MASK) + 1) /* 1808 */ 246 #else 247 #define MTREE_MAXFLAGS 1 248 #endif 249 #define MTREE_MAXS 16 250 251 static int 252 statd(FTS *t, FTSENT *parent, uid_t *puid, gid_t *pgid, mode_t *pmode, 253 u_long *pflags) 254 { 255 FTSENT *p; 256 gid_t sgid; 257 uid_t suid; 258 mode_t smode; 259 u_long sflags = 0; 260 const char *name; 261 gid_t savegid; 262 uid_t saveuid; 263 mode_t savemode; 264 u_long saveflags; 265 u_short maxgid, maxuid, maxmode, maxflags; 266 u_short g[MTREE_MAXGID], u[MTREE_MAXUID], 267 m[MTREE_MAXMODE], f[MTREE_MAXFLAGS]; 268 static int first = 1; 269 270 savegid = *pgid; 271 saveuid = *puid; 272 savemode = *pmode; 273 saveflags = *pflags; 274 if ((p = fts_children(t, 0)) == NULL) { 275 if (errno) 276 mtree_err("%s: %s", RP(parent), strerror(errno)); 277 return (1); 278 } 279 280 memset(g, 0, sizeof(g)); 281 memset(u, 0, sizeof(u)); 282 memset(m, 0, sizeof(m)); 283 memset(f, 0, sizeof(f)); 284 285 maxuid = maxgid = maxmode = maxflags = 0; 286 for (; p; p = p->fts_link) { 287 smode = p->fts_statp->st_mode & MBITS; 288 if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) { 289 savemode = smode; 290 maxmode = m[smode]; 291 } 292 sgid = p->fts_statp->st_gid; 293 if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) { 294 savegid = sgid; 295 maxgid = g[sgid]; 296 } 297 suid = p->fts_statp->st_uid; 298 if (suid < MTREE_MAXUID && ++u[suid] > maxuid) { 299 saveuid = suid; 300 maxuid = u[suid]; 301 } 302 303 #if HAVE_STRUCT_STAT_ST_FLAGS 304 sflags = FLAGS2INDEX(p->fts_statp->st_flags); 305 if (sflags < MTREE_MAXFLAGS && ++f[sflags] > maxflags) { 306 saveflags = p->fts_statp->st_flags; 307 maxflags = f[sflags]; 308 } 309 #endif 310 } 311 /* 312 * If the /set record is the same as the last one we do not need to 313 * output a new one. So first we check to see if anything changed. 314 * Note that we always output a /set record for the first directory. 315 */ 316 if (((keys & (F_UNAME | F_UID)) && (*puid != saveuid)) || 317 ((keys & (F_GNAME | F_GID)) && (*pgid != savegid)) || 318 ((keys & F_MODE) && (*pmode != savemode)) || 319 ((keys & F_FLAGS) && (*pflags != saveflags)) || 320 first) { 321 first = 0; 322 printf("/set type=file"); 323 if (keys & (F_UID | F_UNAME)) { 324 if (keys & F_UNAME && 325 (name = user_from_uid(saveuid, 1)) != NULL) 326 printf(" uname=%s", name); 327 else /* if (keys & F_UID) */ 328 printf(" uid=%lu", (u_long)saveuid); 329 } 330 if (keys & (F_GID | F_GNAME)) { 331 if (keys & F_GNAME && 332 (name = group_from_gid(savegid, 1)) != NULL) 333 printf(" gname=%s", name); 334 else /* if (keys & F_UID) */ 335 printf(" gid=%lu", (u_long)savegid); 336 } 337 if (keys & F_MODE) 338 printf(" mode=%#lo", (u_long)savemode); 339 if (keys & F_NLINK) 340 printf(" nlink=1"); 341 if (keys & F_FLAGS) 342 printf(" flags=%s", 343 flags_to_string(saveflags, "none")); 344 printf("\n"); 345 *puid = saveuid; 346 *pgid = savegid; 347 *pmode = savemode; 348 *pflags = saveflags; 349 } 350 return (0); 351 } 352 353 static int 354 dsort(const FTSENT **a, const FTSENT **b) 355 { 356 357 if (S_ISDIR((*a)->fts_statp->st_mode)) { 358 if (!S_ISDIR((*b)->fts_statp->st_mode)) 359 return (1); 360 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 361 return (-1); 362 return (strcmp((*a)->fts_name, (*b)->fts_name)); 363 } 364 365 void 366 output(int *offset, const char *fmt, ...) 367 { 368 va_list ap; 369 char buf[1024]; 370 371 va_start(ap, fmt); 372 vsnprintf(buf, sizeof(buf), fmt, ap); 373 va_end(ap); 374 375 if (*offset + strlen(buf) > MAXLINELEN - 3) { 376 printf(" \\\n%*s", INDENTNAMELEN, ""); 377 *offset = INDENTNAMELEN; 378 } 379 *offset += printf(" %s", buf) + 1; 380 } 381
Indexes created Mon Sep 22 13:09:51 GMT 2025