1 /* $NetBSD: create.c,v 1.11 1996/09/05 09:24:19 mycroft Exp $ */ 2 /* $OpenBSD: create.c,v 1.25 2005/08/10 00:42:09 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. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #ifndef lint 34 #if 0 35 static const char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; 36 #else 37 static const char rcsid[] = "$OpenBSD: create.c,v 1.25 2005/08/10 00:42:09 millert Exp $"; 38 #endif 39 #endif /* not lint */ 40 41 #include <sys/param.h> 42 #include <sys/stat.h> 43 #include <time.h> 44 #include <fcntl.h> 45 #include <fts.h> 46 #include <dirent.h> 47 #include <grp.h> 48 #include <pwd.h> 49 #include <errno.h> 50 #include <unistd.h> 51 #include <stdio.h> 52 #include <stdarg.h> 53 #include <vis.h> 54 #include <md5.h> 55 #include <sha1.h> 56 #include <rmd160.h> 57 #include "mtree.h" 58 #include "extern.h" 59 60 #define INDENTNAMELEN 15 61 #define MAXLINELEN 80 62 63 extern u_int32_t crc_total; 64 extern int ftsoptions; 65 extern int dflag, iflag, nflag, sflag; 66 extern u_int keys; 67 extern char fullpath[MAXPATHLEN]; 68 69 static gid_t gid; 70 static uid_t uid; 71 static mode_t mode; 72 73 static void output(int, int *, const char *, ...) 74 __attribute__((__format__ (printf, 3, 4))); 75 static int statd(FTS *, FTSENT *, uid_t *, gid_t *, mode_t *); 76 static void statf(int, FTSENT *); 77 78 void 79 cwalk(void) 80 { 81 FTS *t; 82 FTSENT *p; 83 time_t clock; 84 char *argv[2], host[MAXHOSTNAMELEN]; 85 int indent = 0; 86 87 (void)time(&clock); 88 (void)gethostname(host, sizeof(host)); 89 (void)printf( 90 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 91 getlogin(), host, fullpath, ctime(&clock)); 92 93 argv[0] = "."; 94 argv[1] = NULL; 95 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 96 error("fts_open: %s", strerror(errno)); 97 while ((p = fts_read(t))) { 98 if (iflag) 99 indent = p->fts_level * 4; 100 switch(p->fts_info) { 101 case FTS_D: 102 if (!dflag) 103 (void)printf("\n"); 104 if (!nflag) 105 (void)printf("# %s\n", p->fts_path); 106 statd(t, p, &uid, &gid, &mode); 107 statf(indent, p); 108 break; 109 case FTS_DP: 110 if (!nflag && (p->fts_level > 0)) 111 (void)printf("%*s# %s\n", indent, "", p->fts_path); 112 (void)printf("%*s..\n", indent, ""); 113 if (!dflag) 114 (void)printf("\n"); 115 break; 116 case FTS_DNR: 117 case FTS_ERR: 118 case FTS_NS: 119 (void)fprintf(stderr, "mtree: %s: %s\n", 120 p->fts_path, strerror(p->fts_errno)); 121 break; 122 default: 123 if (!dflag) 124 statf(indent, p); 125 break; 126 127 } 128 } 129 (void)fts_close(t); 130 if (sflag && keys & F_CKSUM) 131 (void)fprintf(stderr, 132 "mtree: %s checksum: %u\n", fullpath, crc_total); 133 } 134 135 static void 136 statf(int indent, FTSENT *p) 137 { 138 struct group *gr; 139 struct passwd *pw; 140 u_int32_t len, val; 141 int fd, offset; 142 char *name, *escaped_name; 143 size_t esc_len; 144 145 esc_len = p->fts_namelen * 4 + 1; 146 escaped_name = malloc(esc_len); 147 if (escaped_name == NULL) 148 error("statf: %s", strerror(errno)); 149 strnvis(escaped_name, p->fts_name, esc_len, 150 VIS_WHITE | VIS_OCTAL | VIS_GLOB); 151 152 if (iflag || S_ISDIR(p->fts_statp->st_mode)) 153 offset = printf("%*s%s", indent, "", escaped_name); 154 else 155 offset = printf("%*s %s", indent, "", escaped_name); 156 157 free(escaped_name); 158 159 if (offset > (INDENTNAMELEN + indent)) 160 offset = MAXLINELEN; 161 else 162 offset += printf("%*s", (INDENTNAMELEN + indent) - offset, ""); 163 164 if (!S_ISREG(p->fts_statp->st_mode) && !dflag) 165 output(indent, &offset, "type=%s", inotype(p->fts_statp->st_mode)); 166 if (p->fts_statp->st_uid != uid) { 167 if (keys & F_UNAME) { 168 if ((pw = getpwuid(p->fts_statp->st_uid)) != NULL) { 169 output(indent, &offset, "uname=%s", pw->pw_name); 170 } else { 171 error("could not get uname for uid=%u", 172 p->fts_statp->st_uid); 173 } 174 } 175 if (keys & F_UID) 176 output(indent, &offset, "uid=%u", p->fts_statp->st_uid); 177 } 178 if (p->fts_statp->st_gid != gid) { 179 if (keys & F_GNAME) { 180 if ((gr = getgrgid(p->fts_statp->st_gid)) != NULL) { 181 output(indent, &offset, "gname=%s", gr->gr_name); 182 } else { 183 error("could not get gname for gid=%u", 184 p->fts_statp->st_gid); 185 } 186 } 187 if (keys & F_GID) 188 output(indent, &offset, "gid=%u", p->fts_statp->st_gid); 189 } 190 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 191 output(indent, &offset, "mode=%#o", p->fts_statp->st_mode & MBITS); 192 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 193 output(indent, &offset, "nlink=%u", p->fts_statp->st_nlink); 194 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 195 output(indent, &offset, "size=%qd", p->fts_statp->st_size); 196 if (keys & F_TIME) 197 output(indent, &offset, "time=%ld.%ld", 198 p->fts_statp->st_mtimespec.tv_sec, 199 p->fts_statp->st_mtimespec.tv_nsec); 200 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 201 if ((fd = open(p->fts_accpath, MTREE_O_FLAGS, 0)) < 0 || 202 crc(fd, &val, &len)) 203 error("%s: %s", p->fts_accpath, strerror(errno)); 204 (void)close(fd); 205 output(indent, &offset, "cksum=%lu", val); 206 } 207 if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) { 208 char *md5digest, buf[MD5_DIGEST_STRING_LENGTH]; 209 210 md5digest = MD5File(p->fts_accpath,buf); 211 if (!md5digest) 212 error("%s: %s", p->fts_accpath, strerror(errno)); 213 else 214 output(indent, &offset, "md5digest=%s", md5digest); 215 } 216 if (keys & F_RMD160 && S_ISREG(p->fts_statp->st_mode)) { 217 char *rmd160digest, buf[RMD160_DIGEST_STRING_LENGTH]; 218 219 rmd160digest = RMD160File(p->fts_accpath,buf); 220 if (!rmd160digest) 221 error("%s: %s", p->fts_accpath, strerror(errno)); 222 else 223 output(indent, &offset, "rmd160digest=%s", rmd160digest); 224 } 225 if (keys & F_SHA1 && S_ISREG(p->fts_statp->st_mode)) { 226 char *sha1digest, buf[SHA1_DIGEST_STRING_LENGTH]; 227 228 sha1digest = SHA1File(p->fts_accpath,buf); 229 if (!sha1digest) 230 error("%s: %s", p->fts_accpath, strerror(errno)); 231 else 232 output(indent, &offset, "sha1digest=%s", sha1digest); 233 } 234 if (keys & F_SLINK && 235 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) { 236 name = rlink(p->fts_accpath); 237 esc_len = strlen(name) * 4 + 1; 238 escaped_name = malloc(esc_len); 239 if (escaped_name == NULL) 240 error("statf: %s", strerror(errno)); 241 strnvis(escaped_name, name, esc_len, VIS_WHITE | VIS_OCTAL); 242 output(indent, &offset, "link=%s", escaped_name); 243 free(escaped_name); 244 } 245 if (keys & F_FLAGS && !S_ISLNK(p->fts_statp->st_mode)) { 246 char *file_flags; 247 248 file_flags = fflagstostr(p->fts_statp->st_flags); 249 if (file_flags == NULL) 250 error("%s", strerror(errno)); 251 if (*file_flags != '\0') 252 output(indent, &offset, "flags=%s", file_flags); 253 else 254 output(indent, &offset, "flags=none"); 255 free(file_flags); 256 } 257 (void)putchar('\n'); 258 } 259 260 #define MAXGID 5000 261 #define MAXUID 5000 262 #define MAXMODE MBITS + 1 263 264 static int 265 statd(FTS *t, FTSENT *parent, uid_t *puid, gid_t *pgid, mode_t *pmode) 266 { 267 FTSENT *p; 268 gid_t sgid; 269 uid_t suid; 270 mode_t smode; 271 struct group *gr; 272 struct passwd *pw; 273 gid_t savegid = *pgid; 274 uid_t saveuid = *puid; 275 mode_t savemode = *pmode; 276 int maxgid; 277 int maxuid; 278 u_short maxmode; 279 gid_t g[MAXGID]; 280 uid_t u[MAXUID]; 281 mode_t m[MAXMODE]; 282 static int first = 1; 283 284 if ((p = fts_children(t, 0)) == NULL) { 285 if (errno) 286 error("%s: %s", RP(parent), strerror(errno)); 287 return (1); 288 } 289 290 bzero(g, sizeof(g)); 291 bzero(u, sizeof(u)); 292 bzero(m, sizeof(m)); 293 294 maxuid = maxgid = maxmode = 0; 295 for (; p; p = p->fts_link) { 296 if (!dflag || (dflag && S_ISDIR(p->fts_statp->st_mode))) { 297 smode = p->fts_statp->st_mode & MBITS; 298 if (smode < MAXMODE && ++m[smode] > maxmode) { 299 savemode = smode; 300 maxmode = m[smode]; 301 } 302 sgid = p->fts_statp->st_gid; 303 if (sgid < MAXGID && ++g[sgid] > maxgid) { 304 savegid = sgid; 305 maxgid = g[sgid]; 306 } 307 suid = p->fts_statp->st_uid; 308 if (suid < MAXUID && ++u[suid] > maxuid) { 309 saveuid = suid; 310 maxuid = u[suid]; 311 } 312 } 313 } 314 /* 315 * If the /set record is the same as the last one we do not need to output 316 * a new one. So first we check to see if anything changed. Note that we 317 * always output a /set record for the first directory. 318 */ 319 if ((((keys & F_UNAME) | (keys & F_UID)) && (*puid != saveuid)) || 320 (((keys & F_GNAME) | (keys & F_GID)) && (*pgid != savegid)) || 321 ((keys & F_MODE) && (*pmode != savemode)) || (first)) { 322 first = 0; 323 if (dflag) 324 (void)printf("/set type=dir"); 325 else 326 (void)printf("/set type=file"); 327 if (keys & F_UNAME) { 328 if ((pw = getpwuid(saveuid)) != NULL) 329 (void)printf(" uname=%s", pw->pw_name); 330 else 331 error("could not get uname for uid=%u", saveuid); 332 } 333 if (keys & F_UID) 334 (void)printf(" uid=%u", saveuid); 335 if (keys & F_GNAME) { 336 if ((gr = getgrgid(savegid)) != NULL) 337 (void)printf(" gname=%s", gr->gr_name); 338 else 339 error("could not get gname for gid=%u", savegid); 340 } 341 if (keys & F_GID) 342 (void)printf(" gid=%u", savegid); 343 if (keys & F_MODE) 344 (void)printf(" mode=%#o", savemode); 345 if (keys & F_NLINK) 346 (void)printf(" nlink=1"); 347 (void)printf("\n"); 348 *puid = saveuid; 349 *pgid = savegid; 350 *pmode = savemode; 351 } 352 return (0); 353 } 354 355 int 356 dsort(const FTSENT **a, const FTSENT **b) 357 { 358 if (S_ISDIR((*a)->fts_statp->st_mode)) { 359 if (!S_ISDIR((*b)->fts_statp->st_mode)) 360 return (1); 361 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 362 return (-1); 363 return (strcmp((*a)->fts_name, (*b)->fts_name)); 364 } 365 366 void 367 output(int indent, int *offset, const char *fmt, ...) 368 { 369 va_list ap; 370 char buf[1024]; 371 372 va_start(ap, fmt); 373 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 374 va_end(ap); 375 376 if (*offset + strlen(buf) > MAXLINELEN - 3) { 377 (void)printf(" \\\n%*s", INDENTNAMELEN + indent, ""); 378 *offset = INDENTNAMELEN + indent; 379 } 380 *offset += printf(" %s", buf) + 1; 381 } 382