create.c revision 1.28
1 /* $NetBSD: create.c,v 1.28 2001/02/20 19:45:51 hubertf 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 1.28 2001/02/20 19:45:51 hubertf 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 __attribute__((__format__(__printf__, 2, 3))); 81 static int statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, 82 u_long *)); 83 static void statf __P((FTSENT *)); 84 85 void 86 cwalk() 87 { 88 FTS *t; 89 FTSENT *p; 90 time_t clock; 91 char *argv[2], host[MAXHOSTNAMELEN + 1]; 92 93 (void)time(&clock); 94 (void)gethostname(host, sizeof(host)); 95 host[sizeof(host) - 1] = '\0'; 96 (void)printf( 97 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 98 getlogin(), host, fullpath, ctime(&clock)); 99 100 argv[0] = "."; 101 argv[1] = NULL; 102 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 103 mtree_err("fts_open: %s", strerror(errno)); 104 while ((p = fts_read(t)) != NULL) 105 switch(p->fts_info) { 106 case FTS_D: 107 (void)printf("\n# %s\n", p->fts_path); 108 statd(t, p, &uid, &gid, &mode, &flags); 109 statf(p); 110 break; 111 case FTS_DP: 112 if (p->fts_level > 0) 113 (void)printf("# %s\n..\n\n", p->fts_path); 114 break; 115 case FTS_DNR: 116 case FTS_ERR: 117 case FTS_NS: 118 (void)fprintf(stderr, 119 "mtree: %s: %s\n", p->fts_path, strerror(errno)); 120 break; 121 default: 122 if (!dflag) 123 statf(p); 124 break; 125 126 } 127 (void)fts_close(t); 128 if (sflag && keys & F_CKSUM) 129 (void)fprintf(stderr, 130 "mtree: %s checksum: %u\n", fullpath, crc_total); 131 } 132 133 static void 134 statf(p) 135 FTSENT *p; 136 { 137 struct group *gr; 138 struct passwd *pw; 139 u_int32_t len, val; 140 int fd, indent; 141 char md5buf[33], *md5cp; 142 143 strsvis(codebuf, p->fts_name, VISFLAGS, extra); 144 if (S_ISDIR(p->fts_statp->st_mode)) 145 indent = printf("%s", codebuf); 146 else 147 indent = printf(" %s", codebuf); 148 149 if (indent > INDENTNAMELEN) 150 indent = MAXLINELEN; 151 else 152 indent += printf("%*s", INDENTNAMELEN - indent, ""); 153 154 if (!S_ISREG(p->fts_statp->st_mode)) 155 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 156 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) { 157 if (keys & F_UNAME && (pw = getpwuid(p->fts_statp->st_uid))) 158 output(&indent, "uname=%s", pw->pw_name); 159 else /* if (keys & F_UID) */ 160 output(&indent, "uid=%u", p->fts_statp->st_uid); 161 } 162 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) { 163 if (keys & F_GNAME && (gr = getgrgid(p->fts_statp->st_gid))) 164 output(&indent, "gname=%s", gr->gr_name); 165 else /* if (keys & F_GID) */ 166 output(&indent, "gid=%u", p->fts_statp->st_gid); 167 } 168 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 169 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 170 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 171 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 172 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 173 output(&indent, "size=%lld", (long long)p->fts_statp->st_size); 174 #ifdef BSD4_4 175 if (keys & F_TIME) 176 output(&indent, "time=%ld.%ld", 177 (long)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 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 184 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 185 crc(fd, &val, &len)) 186 mtree_err("%s: %s", p->fts_accpath, strerror(errno)); 187 (void)close(fd); 188 output(&indent, "cksum=%lu", (long)val); 189 } 190 if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) { 191 if ((md5cp = MD5File(p->fts_accpath, md5buf)) == NULL) 192 mtree_err("%s: %s", p->fts_accpath, "MD5File"); 193 output(&indent, "md5=%s", md5cp); 194 } 195 if (keys & F_SLINK && 196 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 197 output(&indent, "link=%s", rlink(p->fts_accpath)); 198 if (keys & F_FLAGS && p->fts_statp->st_flags != flags) 199 output(&indent, "flags=%s", 200 flags_to_string(p->fts_statp->st_flags, "none")); 201 (void)putchar('\n'); 202 } 203 204 /* XXX 205 * FLAGS2INDEX will fail once the user and system settable bits need more 206 * than one byte, respectively. 207 */ 208 #define FLAGS2INDEX(x) (((x >> 8) & 0x0000ff00) | (x & 0x000000ff)) 209 210 #define MTREE_MAXGID 5000 211 #define MTREE_MAXUID 5000 212 #define MTREE_MAXMODE (MBITS + 1) 213 #define MTREE_MAXFLAGS (FLAGS2INDEX(CH_MASK) + 1) /* 1808 */ 214 #define MTREE_MAXS 16 215 216 static int 217 statd(t, parent, puid, pgid, pmode, pflags) 218 FTS *t; 219 FTSENT *parent; 220 uid_t *puid; 221 gid_t *pgid; 222 mode_t *pmode; 223 u_long *pflags; 224 { 225 FTSENT *p; 226 gid_t sgid; 227 uid_t suid; 228 mode_t smode; 229 u_long sflags; 230 struct group *gr; 231 struct passwd *pw; 232 gid_t savegid; 233 uid_t saveuid; 234 mode_t savemode; 235 u_long saveflags; 236 u_short maxgid, maxuid, maxmode, maxflags; 237 u_short g[MTREE_MAXGID], u[MTREE_MAXUID], 238 m[MTREE_MAXMODE], f[MTREE_MAXFLAGS]; 239 240 savegid = 0; 241 saveuid = 0; 242 savemode = 0; 243 saveflags = 0; 244 if ((p = fts_children(t, 0)) == NULL) { 245 if (errno) 246 mtree_err("%s: %s", RP(parent), strerror(errno)); 247 return (1); 248 } 249 250 memset(g, 0, sizeof(g)); 251 memset(u, 0, sizeof(u)); 252 memset(m, 0, sizeof(m)); 253 memset(f, 0, sizeof(f)); 254 255 maxuid = maxgid = maxmode = maxflags = 0; 256 for (; p; p = p->fts_link) { 257 smode = p->fts_statp->st_mode & MBITS; 258 if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) { 259 savemode = smode; 260 maxmode = m[smode]; 261 } 262 sgid = p->fts_statp->st_gid; 263 if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) { 264 savegid = sgid; 265 maxgid = g[sgid]; 266 } 267 suid = p->fts_statp->st_uid; 268 if (suid < MTREE_MAXUID && ++u[suid] > maxuid) { 269 saveuid = suid; 270 maxuid = u[suid]; 271 } 272 273 sflags = FLAGS2INDEX(p->fts_statp->st_flags); 274 if (sflags < MTREE_MAXFLAGS && ++f[sflags] > maxflags) { 275 saveflags = p->fts_statp->st_flags; 276 maxflags = f[sflags]; 277 } 278 } 279 (void)printf("/set type=file"); 280 if (keys & F_GID) 281 (void)printf(" gid=%lu", (u_long)savegid); 282 if (keys & F_GNAME) { 283 if ((gr = getgrgid(savegid)) != NULL) 284 (void)printf(" gname=%s", gr->gr_name); 285 else 286 (void)printf(" gid=%lu", (u_long)savegid); 287 } 288 if (keys & F_UNAME) { 289 if ((pw = getpwuid(saveuid)) != NULL) 290 (void)printf(" uname=%s", pw->pw_name); 291 else 292 (void)printf(" uid=%lu", (u_long)saveuid); 293 } 294 if (keys & F_UID) 295 (void)printf(" uid=%lu", (u_long)saveuid); 296 if (keys & F_MODE) 297 (void)printf(" mode=%#lo", (u_long)savemode); 298 if (keys & F_NLINK) 299 (void)printf(" nlink=1"); 300 if (keys & F_FLAGS) 301 (void)printf(" flags=%s", 302 flags_to_string(saveflags, "none")); 303 (void)printf("\n"); 304 *puid = saveuid; 305 *pgid = savegid; 306 *pmode = savemode; 307 *pflags = saveflags; 308 return (0); 309 } 310 311 static int 312 dsort(a, b) 313 const FTSENT **a, **b; 314 { 315 if (S_ISDIR((*a)->fts_statp->st_mode)) { 316 if (!S_ISDIR((*b)->fts_statp->st_mode)) 317 return (1); 318 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 319 return (-1); 320 return (strcmp((*a)->fts_name, (*b)->fts_name)); 321 } 322 323 #if __STDC__ 324 #include <stdarg.h> 325 #else 326 #include <varargs.h> 327 #endif 328 329 void 330 #if __STDC__ 331 output(int *offset, const char *fmt, ...) 332 #else 333 output(offset, fmt, va_alist) 334 int *offset; 335 char *fmt; 336 va_dcl 337 #endif 338 { 339 va_list ap; 340 char buf[1024]; 341 #if __STDC__ 342 va_start(ap, fmt); 343 #else 344 va_start(ap); 345 #endif 346 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 347 va_end(ap); 348 349 if (*offset + strlen(buf) > MAXLINELEN - 3) { 350 (void)printf(" \\\n%*s", INDENTNAMELEN, ""); 351 *offset = INDENTNAMELEN; 352 } 353 *offset += printf(" %s", buf) + 1; 354 } 355
Indexes created Tue Sep 23 20:09:58 GMT 2025