1 /* $NetBSD: create.c,v 1.11 1996/09/05 09:24:19 mycroft Exp $ */ 2 /* $OpenBSD: create.c,v 1.13 2001/08/10 02:37:14 millert Exp $ */ 3 4 /*- 5 * Copyright (c) 1989, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef lint 38 #if 0 39 static const char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 static const char rcsid[] = "$OpenBSD: create.c,v 1.13 2001/08/10 02:37:14 millert Exp $"; 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/stat.h> 47 #include <time.h> 48 #include <fcntl.h> 49 #include <fts.h> 50 #include <dirent.h> 51 #include <grp.h> 52 #include <pwd.h> 53 #include <errno.h> 54 #include <unistd.h> 55 #include <stdio.h> 56 #include <md5.h> 57 #include <sha1.h> 58 #include <rmd160.h> 59 #include "mtree.h" 60 #include "extern.h" 61 62 #define INDENTNAMELEN 15 63 #define MAXLINELEN 80 64 65 extern u_int32_t crc_total; 66 extern int ftsoptions; 67 extern int dflag, iflag, nflag, sflag; 68 extern u_int keys; 69 extern char fullpath[MAXPATHLEN]; 70 71 static gid_t gid; 72 static uid_t uid; 73 static mode_t mode; 74 75 static int dsort __P((const FTSENT **, const FTSENT **)); 76 static void output __P((int, int *, const char *, ...)); 77 static int statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *)); 78 static void statf __P((int, FTSENT *)); 79 80 void 81 cwalk() 82 { 83 register FTS *t; 84 register FTSENT *p; 85 time_t clock; 86 char *argv[2], host[MAXHOSTNAMELEN]; 87 int indent = 0; 88 89 (void)time(&clock); 90 (void)gethostname(host, sizeof(host)); 91 (void)printf( 92 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 93 getlogin(), host, fullpath, ctime(&clock)); 94 95 argv[0] = "."; 96 argv[1] = NULL; 97 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 98 error("fts_open: %s", strerror(errno)); 99 while ((p = fts_read(t))) { 100 if (iflag) 101 indent = p->fts_level * 4; 102 switch(p->fts_info) { 103 case FTS_D: 104 if (!dflag) 105 (void)printf("\n"); 106 if (!nflag) 107 (void)printf("# %s\n", p->fts_path); 108 statd(t, p, &uid, &gid, &mode); 109 statf(indent, p); 110 break; 111 case FTS_DP: 112 if (!nflag && (p->fts_level > 0)) 113 (void)printf("%*s# %s\n", indent, "", p->fts_path); 114 (void)printf("%*s..\n", indent, ""); 115 if (!dflag) 116 (void)printf("\n"); 117 break; 118 case FTS_DNR: 119 case FTS_ERR: 120 case FTS_NS: 121 (void)fprintf(stderr, "mtree: %s: %s\n", 122 p->fts_path, strerror(p->fts_errno)); 123 break; 124 default: 125 if (!dflag) 126 statf(indent, p); 127 break; 128 129 } 130 } 131 (void)fts_close(t); 132 if (sflag && keys & F_CKSUM) 133 (void)fprintf(stderr, 134 "mtree: %s checksum: %u\n", fullpath, crc_total); 135 } 136 137 static void 138 statf(indent, p) 139 int indent; 140 FTSENT *p; 141 { 142 struct group *gr; 143 struct passwd *pw; 144 u_int32_t len, val; 145 int fd, offset; 146 147 if (iflag || S_ISDIR(p->fts_statp->st_mode)) 148 offset = printf("%*s%s", indent, "", p->fts_name); 149 else 150 offset = printf("%*s %s", indent, "", p->fts_name); 151 152 if (offset > (INDENTNAMELEN + indent)) 153 offset = MAXLINELEN; 154 else 155 offset += printf("%*s", (INDENTNAMELEN + indent) - offset, ""); 156 157 if (!S_ISREG(p->fts_statp->st_mode) && !dflag) 158 output(indent, &offset, "type=%s", inotype(p->fts_statp->st_mode)); 159 if (p->fts_statp->st_uid != uid) { 160 if (keys & F_UNAME) { 161 if ((pw = getpwuid(p->fts_statp->st_uid)) != NULL) { 162 output(indent, &offset, "uname=%s", pw->pw_name); 163 } else { 164 error("could not get uname for uid=%u", 165 p->fts_statp->st_uid); 166 } 167 } 168 if (keys & F_UID) 169 output(indent, &offset, "uid=%u", p->fts_statp->st_uid); 170 } 171 if (p->fts_statp->st_gid != gid) { 172 if (keys & F_GNAME) { 173 if ((gr = getgrgid(p->fts_statp->st_gid)) != NULL) { 174 output(indent, &offset, "gname=%s", gr->gr_name); 175 } else { 176 error("could not get gname for gid=%u", 177 p->fts_statp->st_gid); 178 } 179 } 180 if (keys & F_GID) 181 output(indent, &offset, "gid=%u", p->fts_statp->st_gid); 182 } 183 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 184 output(indent, &offset, "mode=%#o", p->fts_statp->st_mode & MBITS); 185 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 186 output(indent, &offset, "nlink=%u", p->fts_statp->st_nlink); 187 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 188 output(indent, &offset, "size=%qd", p->fts_statp->st_size); 189 if (keys & F_TIME) 190 output(indent, &offset, "time=%ld.%ld", 191 p->fts_statp->st_mtimespec.tv_sec, 192 p->fts_statp->st_mtimespec.tv_nsec); 193 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 194 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 195 crc(fd, &val, &len)) 196 error("%s: %s", p->fts_accpath, strerror(errno)); 197 (void)close(fd); 198 output(indent, &offset, "cksum=%lu", val); 199 } 200 if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) { 201 char *md5digest, buf[33]; 202 203 md5digest = MD5File(p->fts_accpath,buf); 204 if (!md5digest) 205 error("%s: %s", p->fts_accpath, strerror(errno)); 206 else 207 output(indent, &offset, "md5digest=%s", md5digest); 208 } 209 if (keys & F_RMD160 && S_ISREG(p->fts_statp->st_mode)) { 210 char *rmd160digest, buf[41]; 211 212 rmd160digest = RMD160File(p->fts_accpath,buf); 213 if (!rmd160digest) 214 error("%s: %s", p->fts_accpath, strerror(errno)); 215 else 216 output(indent, &offset, "rmd160digest=%s", rmd160digest); 217 } 218 if (keys & F_SHA1 && S_ISREG(p->fts_statp->st_mode)) { 219 char *sha1digest, buf[41]; 220 221 sha1digest = SHA1File(p->fts_accpath,buf); 222 if (!sha1digest) 223 error("%s: %s", p->fts_accpath, strerror(errno)); 224 else 225 output(indent, &offset, "sha1digest=%s", sha1digest); 226 } 227 if (keys & F_SLINK && 228 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 229 output(indent, &offset, "link=%s", rlink(p->fts_accpath)); 230 if (keys & F_FLAGS && !S_ISLNK(p->fts_statp->st_mode)) { 231 char *file_flags; 232 233 file_flags = fflagstostr(p->fts_statp->st_flags); 234 if (file_flags == NULL) 235 error("%s", strerror(errno)); 236 if (*file_flags != '\0') 237 output(indent, &offset, "flags=%s", file_flags); 238 else 239 output(indent, &offset, "flags=none"); 240 free(file_flags); 241 } 242 (void)putchar('\n'); 243 } 244 245 #define MAXGID 5000 246 #define MAXUID 5000 247 #define MAXMODE MBITS + 1 248 249 static int 250 statd(t, parent, puid, pgid, pmode) 251 FTS *t; 252 FTSENT *parent; 253 uid_t *puid; 254 gid_t *pgid; 255 mode_t *pmode; 256 { 257 register FTSENT *p; 258 register gid_t sgid; 259 register uid_t suid; 260 register mode_t smode; 261 struct group *gr; 262 struct passwd *pw; 263 gid_t savegid = *pgid; 264 uid_t saveuid = *puid; 265 mode_t savemode = *pmode; 266 int maxgid; 267 int maxuid; 268 u_short maxmode; 269 gid_t g[MAXGID]; 270 uid_t u[MAXUID]; 271 mode_t m[MAXMODE]; 272 static int first = 1; 273 274 if ((p = fts_children(t, 0)) == NULL) { 275 if (errno) 276 error("%s: %s", RP(parent), strerror(errno)); 277 return (1); 278 } 279 280 bzero(g, sizeof(g)); 281 bzero(u, sizeof(u)); 282 bzero(m, sizeof(m)); 283 284 maxuid = maxgid = maxmode = 0; 285 for (; p; p = p->fts_link) { 286 if (!dflag || (dflag && S_ISDIR(p->fts_statp->st_mode))) { 287 smode = p->fts_statp->st_mode & MBITS; 288 if (smode < MAXMODE && ++m[smode] > maxmode) { 289 savemode = smode; 290 maxmode = m[smode]; 291 } 292 sgid = p->fts_statp->st_gid; 293 if (sgid < MAXGID && ++g[sgid] > maxgid) { 294 savegid = sgid; 295 maxgid = g[sgid]; 296 } 297 suid = p->fts_statp->st_uid; 298 if (suid < MAXUID && ++u[suid] > maxuid) { 299 saveuid = suid; 300 maxuid = u[suid]; 301 } 302 } 303 } 304 /* 305 * If the /set record is the same as the last one we do not need to output 306 * a new one. So first we check to see if anything changed. Note that we 307 * always output a /set record for the first directory. 308 */ 309 if ((((keys & F_UNAME) | (keys & F_UID)) && (*puid != saveuid)) || 310 (((keys & F_GNAME) | (keys & F_GID)) && (*pgid != savegid)) || 311 ((keys & F_MODE) && (*pmode != savemode)) || (first)) { 312 first = 0; 313 if (dflag) 314 (void)printf("/set type=dir"); 315 else 316 (void)printf("/set type=file"); 317 if (keys & F_UNAME) { 318 if ((pw = getpwuid(saveuid)) != NULL) 319 (void)printf(" uname=%s", pw->pw_name); 320 else 321 error("could not get uname for uid=%u", saveuid); 322 } 323 if (keys & F_UID) 324 (void)printf(" uid=%u", saveuid); 325 if (keys & F_GNAME) { 326 if ((gr = getgrgid(savegid)) != NULL) 327 (void)printf(" gname=%s", gr->gr_name); 328 else 329 error("could not get gname for gid=%u", savegid); 330 } 331 if (keys & F_GID) 332 (void)printf(" gid=%u", savegid); 333 if (keys & F_MODE) 334 (void)printf(" mode=%#o", savemode); 335 if (keys & F_NLINK) 336 (void)printf(" nlink=1"); 337 (void)printf("\n"); 338 *puid = saveuid; 339 *pgid = savegid; 340 *pmode = savemode; 341 } 342 return (0); 343 } 344 345 static int 346 dsort(a, b) 347 const FTSENT **a, **b; 348 { 349 if (S_ISDIR((*a)->fts_statp->st_mode)) { 350 if (!S_ISDIR((*b)->fts_statp->st_mode)) 351 return (1); 352 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 353 return (-1); 354 return (strcmp((*a)->fts_name, (*b)->fts_name)); 355 } 356 357 #ifdef __STDC__ 358 #include <stdarg.h> 359 #else 360 #include <varargs.h> 361 #endif 362 363 void 364 #ifdef __STDC__ 365 output(int indent, int *offset, const char *fmt, ...) 366 #else 367 output(indent, offset, fmt, va_alist) 368 int indent; 369 int *offset; 370 char *fmt; 371 va_dcl 372 #endif 373 { 374 va_list ap; 375 char buf[1024]; 376 #ifdef __STDC__ 377 va_start(ap, fmt); 378 #else 379 va_start(ap); 380 #endif 381 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 382 va_end(ap); 383 384 if (*offset + strlen(buf) > MAXLINELEN - 3) { 385 (void)printf(" \\\n%*s", INDENTNAMELEN + indent, ""); 386 *offset = INDENTNAMELEN + indent; 387 } 388 *offset += printf(" %s", buf) + 1; 389 } 390