create.c revision 1.25
1 /* $NetBSD: create.c,v 1.25 1999/12/01 22:12:52 wennmach 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 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 __RCSID("$NetBSD: create.c,v 1.25 1999/12/01 22:12:52 wennmach Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/stat.h> 47 #include <dirent.h> 48 #include <errno.h> 49 #include <fcntl.h> 50 #include <fts.h> 51 #include <grp.h> 52 #include <md5.h> 53 #include <pwd.h> 54 #include <stdio.h> 55 #include <string.h> 56 #include <time.h> 57 #include <unistd.h> 58 #include <vis.h> 59 #include "mtree.h" 60 #include "extern.h" 61 62 #define INDENTNAMELEN 15 63 #define MAXLINELEN 80 64 #define VISFLAGS VIS_CSTYLE 65 66 extern int crc_total, ftsoptions; 67 extern int dflag, sflag; 68 extern int keys; 69 extern char fullpath[MAXPATHLEN]; 70 71 static gid_t gid; 72 static uid_t uid; 73 static mode_t mode; 74 static u_long flags; 75 static char codebuf[4*MAXPATHLEN + 1]; 76 static const char extra[] = { ' ', '\t', '\n', '\\', '#', '\0' }; 77 78 static int dsort __P((const FTSENT **, const FTSENT **)); 79 static void output __P((int *, const char *, ...)); 80 static int statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, 81 u_long *)); 82 static void statf __P((FTSENT *)); 83 84 void 85 cwalk() 86 { 87 FTS *t; 88 FTSENT *p; 89 time_t clock; 90 char *argv[2], host[MAXHOSTNAMELEN + 1]; 91 92 (void)time(&clock); 93 (void)gethostname(host, sizeof(host)); 94 host[sizeof(host) - 1] = '\0'; 95 (void)printf( 96 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 97 getlogin(), host, fullpath, ctime(&clock)); 98 99 argv[0] = "."; 100 argv[1] = NULL; 101 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 102 mtree_err("fts_open: %s", strerror(errno)); 103 while ((p = fts_read(t)) != NULL) 104 switch(p->fts_info) { 105 case FTS_D: 106 (void)printf("\n# %s\n", p->fts_path); 107 statd(t, p, &uid, &gid, &mode, &flags); 108 statf(p); 109 break; 110 case FTS_DP: 111 if (p->fts_level > 0) 112 (void)printf("# %s\n..\n\n", p->fts_path); 113 break; 114 case FTS_DNR: 115 case FTS_ERR: 116 case FTS_NS: 117 (void)fprintf(stderr, 118 "mtree: %s: %s\n", p->fts_path, strerror(errno)); 119 break; 120 default: 121 if (!dflag) 122 statf(p); 123 break; 124 125 } 126 (void)fts_close(t); 127 if (sflag && keys & F_CKSUM) 128 (void)fprintf(stderr, 129 "mtree: %s checksum: %u\n", fullpath, crc_total); 130 } 131 132 static void 133 statf(p) 134 FTSENT *p; 135 { 136 struct group *gr; 137 struct passwd *pw; 138 u_int32_t len, val; 139 int fd, indent; 140 char md5buf[33], *md5cp; 141 142 strsvis(codebuf, p->fts_name, VISFLAGS, extra); 143 if (S_ISDIR(p->fts_statp->st_mode)) 144 indent = printf("%s", codebuf); 145 else 146 indent = printf(" %s", codebuf); 147 148 if (indent > INDENTNAMELEN) 149 indent = MAXLINELEN; 150 else 151 indent += printf("%*s", INDENTNAMELEN - indent, ""); 152 153 if (!S_ISREG(p->fts_statp->st_mode)) 154 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 155 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) { 156 if (keys & F_UNAME && (pw = getpwuid(p->fts_statp->st_uid))) 157 output(&indent, "uname=%s", pw->pw_name); 158 else /* if (keys & F_UID) */ 159 output(&indent, "uid=%u", p->fts_statp->st_uid); 160 } 161 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) { 162 if (keys & F_GNAME && (gr = getgrgid(p->fts_statp->st_gid))) 163 output(&indent, "gname=%s", gr->gr_name); 164 else /* if (keys & F_GID) */ 165 output(&indent, "gid=%u", p->fts_statp->st_gid); 166 } 167 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 168 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 169 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 170 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 171 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 172 output(&indent, "size=%qd", p->fts_statp->st_size); 173 #ifndef __APPLE__ 174 # ifdef BSD4_4 175 if (keys & F_TIME) 176 output(&indent, "time=%ld.%ld", 177 p->fts_statp->st_mtimespec.tv_sec, 178 p->fts_statp->st_mtimespec.tv_nsec); 179 # else 180 output(&indent, "time=%ld.%ld", 181 p->fts_statp->st_mtime, 0); 182 # endif 183 #else 184 if (keys & F_TIME) 185 output(&indent, "time=%ld.%ld", 186 p->fts_statp->st_mtimespec.ts_sec, 187 p->fts_statp->st_mtimespec.ts_nsec); 188 #endif 189 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 190 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 191 crc(fd, &val, &len)) 192 mtree_err("%s: %s", p->fts_accpath, strerror(errno)); 193 (void)close(fd); 194 output(&indent, "cksum=%lu", val); 195 } 196 if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) { 197 if ((md5cp = MD5File(p->fts_accpath, md5buf)) == NULL) 198 mtree_err("%s: %s", p->fts_accpath, "MD5File"); 199 output(&indent, "md5=%s", md5cp); 200 } 201 if (keys & F_SLINK && 202 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 203 output(&indent, "link=%s", rlink(p->fts_accpath)); 204 if (keys & F_FLAGS && p->fts_statp->st_flags != flags) 205 output(&indent, "flags=%s", 206 flags_to_string(p->fts_statp->st_flags, "none")); 207 (void)putchar('\n'); 208 } 209 210 /* XXX 211 * FLAGS2INDEX will fail once the user and system settable bits need more 212 * than one byte, respectively. 213 */ 214 #define FLAGS2INDEX(x) (((x >> 8) & 0x0000ff00) | (x & 0x000000ff)) 215 216 #define MTREE_MAXGID 5000 217 #define MTREE_MAXUID 5000 218 #define MTREE_MAXMODE (MBITS + 1) 219 #define MTREE_MAXFLAGS (FLAGS2INDEX(CH_MASK) + 1) /* 1808 */ 220 #define MTREE_MAXS 16 221 222 static int 223 statd(t, parent, puid, pgid, pmode, pflags) 224 FTS *t; 225 FTSENT *parent; 226 uid_t *puid; 227 gid_t *pgid; 228 mode_t *pmode; 229 u_long *pflags; 230 { 231 FTSENT *p; 232 gid_t sgid; 233 uid_t suid; 234 mode_t smode; 235 u_long sflags; 236 struct group *gr; 237 struct passwd *pw; 238 gid_t savegid; 239 uid_t saveuid; 240 mode_t savemode; 241 u_long saveflags; 242 u_short maxgid, maxuid, maxmode, maxflags; 243 u_short g[MTREE_MAXGID], u[MTREE_MAXUID], 244 m[MTREE_MAXMODE], f[MTREE_MAXFLAGS]; 245 246 savegid = 0; 247 saveuid = 0; 248 savemode = 0; 249 saveflags = 0; 250 if ((p = fts_children(t, 0)) == NULL) { 251 if (errno) 252 mtree_err("%s: %s", RP(parent), strerror(errno)); 253 return (1); 254 } 255 256 memset(g, 0, sizeof(g)); 257 memset(u, 0, sizeof(u)); 258 memset(m, 0, sizeof(m)); 259 memset(f, 0, sizeof(f)); 260 261 maxuid = maxgid = maxmode = maxflags = 0; 262 for (; p; p = p->fts_link) { 263 smode = p->fts_statp->st_mode & MBITS; 264 if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) { 265 savemode = smode; 266 maxmode = m[smode]; 267 } 268 sgid = p->fts_statp->st_gid; 269 if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) { 270 savegid = sgid; 271 maxgid = g[sgid]; 272 } 273 suid = p->fts_statp->st_uid; 274 if (suid < MTREE_MAXUID && ++u[suid] > maxuid) { 275 saveuid = suid; 276 maxuid = u[suid]; 277 } 278 279 sflags = FLAGS2INDEX(p->fts_statp->st_flags); 280 if (sflags < MTREE_MAXFLAGS && ++f[sflags] > maxflags) { 281 saveflags = p->fts_statp->st_flags; 282 maxflags = f[sflags]; 283 } 284 } 285 (void)printf("/set type=file"); 286 if (keys & F_GID) 287 (void)printf(" gid=%lu", (u_long)savegid); 288 if (keys & F_GNAME) { 289 if ((gr = getgrgid(savegid)) != NULL) 290 (void)printf(" gname=%s", gr->gr_name); 291 else 292 (void)printf(" gid=%lu", (u_long)savegid); 293 } 294 if (keys & F_UNAME) { 295 if ((pw = getpwuid(saveuid)) != NULL) 296 (void)printf(" uname=%s", pw->pw_name); 297 else 298 (void)printf(" uid=%lu", (u_long)saveuid); 299 } 300 if (keys & F_UID) 301 (void)printf(" uid=%lu", (u_long)saveuid); 302 if (keys & F_MODE) 303 (void)printf(" mode=%#lo", (u_long)savemode); 304 if (keys & F_NLINK) 305 (void)printf(" nlink=1"); 306 if (keys & F_FLAGS) 307 (void)printf(" flags=%s", 308 flags_to_string(saveflags, "none")); 309 (void)printf("\n"); 310 *puid = saveuid; 311 *pgid = savegid; 312 *pmode = savemode; 313 *pflags = saveflags; 314 return (0); 315 } 316 317 static int 318 dsort(a, b) 319 const FTSENT **a, **b; 320 { 321 if (S_ISDIR((*a)->fts_statp->st_mode)) { 322 if (!S_ISDIR((*b)->fts_statp->st_mode)) 323 return (1); 324 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 325 return (-1); 326 return (strcmp((*a)->fts_name, (*b)->fts_name)); 327 } 328 329 #if __STDC__ 330 #include <stdarg.h> 331 #else 332 #include <varargs.h> 333 #endif 334 335 void 336 #if __STDC__ 337 output(int *offset, const char *fmt, ...) 338 #else 339 output(offset, fmt, va_alist) 340 int *offset; 341 char *fmt; 342 va_dcl 343 #endif 344 { 345 va_list ap; 346 char buf[1024]; 347 #if __STDC__ 348 va_start(ap, fmt); 349 #else 350 va_start(ap); 351 #endif 352 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 353 va_end(ap); 354 355 if (*offset + strlen(buf) > MAXLINELEN - 3) { 356 (void)printf(" \\\n%*s", INDENTNAMELEN, ""); 357 *offset = INDENTNAMELEN; 358 } 359 *offset += printf(" %s", buf) + 1; 360 } 361
Indexes created Wed Sep 24 05:09:52 GMT 2025