file_cmds/mtree/mtree.c

   1 /*-
   2  * Copyright (c) 1989, 1990, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #if 0
  31 #ifndef lint
  32 static const char copyright[] =
  33 "@(#) Copyright (c) 1989, 1990, 1993\n\
  34         The Regents of the University of California.  All rights reserved.\n";
  35 #endif /* not lint */
  36
  37 #ifndef lint
  38 static char sccsid[] = "@(#)mtree.c     8.1 (Berkeley) 6/6/93";
  39 #endif /* not lint */
  40 #endif
  41 #include <sys/cdefs.h>
  42 __FBSDID("$FreeBSD: src/usr.sbin/mtree/mtree.c,v 1.29 2004/06/04 19:29:28 ru Exp $");
  43
  44 #include <CoreFoundation/CoreFoundation.h>
  45 #include <sys/param.h>
  46 #include <sys/stat.h>
  47 #include <err.h>
  48 #include <errno.h>
  49 #include <fts.h>
  50 #include <stdio.h>
  51 #include <stdint.h>
  52 #include <unistd.h>
  53 #include "metrics.h"
  54 #include "mtree.h"
  55 #include "extern.h"
  56
  57 #define SECONDS_IN_A_DAY (60 * 60 * 24)
  58
  59 int ftsoptions = FTS_PHYSICAL;
  60 int cflag, dflag, eflag, iflag, nflag, qflag, rflag, sflag, uflag, Uflag, wflag, mflag, tflag, xflag;
  61 int insert_mod, insert_birth, insert_access, insert_change, insert_parent;
  62 struct timespec ts;
  63 u_int keys;
  64 char fullpath[MAXPATHLEN];
  65 CFMutableDictionaryRef dict;
  66 char *filepath;
  67
  68 static void usage(void);
  69 static bool write_plist_to_file(void);
  70
  71 static void
  72 do_cleanup(void) {
  73
  74         if (mflag) {
  75                 if (dict)
  76                         CFRelease(dict);
  77                 if (filepath)
  78                         free(filepath);
  79         }
  80 }
  81
  82 int
  83 main(int argc, char *argv[])
  84 {
  85         int error = 0;
  86         int ch;
  87         char *dir, *p;
  88         int status;
  89         FILE *spec1, *spec2;
  90         char *timestamp = NULL;
  91         char *timeformat = "%FT%T";
  92         FILE *file = NULL;
  93
  94         dir = NULL;
  95         keys = KEYDEFAULT;
  96         init_excludes();
  97         spec1 = stdin;
  98         spec2 = NULL;
  99         set_metric_start_time(time(NULL));
 100
 101         atexit(do_cleanup);
 102         atexit(print_metrics_to_file);
 103
 104         while ((ch = getopt(argc, argv, "cdef:iK:k:LnPp:qrs:UuwxX:m:F:t:E:S")) != -1)
 105                 switch((char)ch) {
 106                 case 'c':
 107                         cflag = 1;
 108                         break;
 109                 case 'd':
 110                         dflag = 1;
 111                         break;
 112                 case 'e':
 113                         eflag = 1;
 114                         break;
 115                 case 'f':
 116                         if (spec1 == stdin) {
 117                                 spec1 = fopen(optarg, "r");
 118                                 if (spec1 == NULL) {
 119                                         error = errno;
 120                                         RECORD_FAILURE(88, error);
 121                                         errc(1, error, "%s", optarg);
 122                                 }
 123                         } else if (spec2 == NULL) {
 124                                 spec2 = fopen(optarg, "r");
 125                                 if (spec2 == NULL) {
 126                                         error = errno;
 127                                         RECORD_FAILURE(89, error);
 128                                         errc(1, error, "%s", optarg);
 129                                 }
 130                         } else {
 131                                 RECORD_FAILURE(90, WARN_USAGE);
 132                                 usage();
 133                         }
 134                         break;
 135                 case 'i':
 136                         iflag = 1;
 137                         break;
 138                 case 'K':
 139                         while ((p = strsep(&optarg, " \t,")) != NULL)
 140                                 if (*p != '\0')
 141                                         keys |= parsekey(p, NULL);
 142                         break;
 143                 case 'k':
 144                         keys = F_TYPE;
 145                         while ((p = strsep(&optarg, " \t,")) != NULL)
 146                                 if (*p != '\0')
 147                                         keys |= parsekey(p, NULL);
 148                         break;
 149                 case 'L':
 150                         ftsoptions &= ~FTS_PHYSICAL;
 151                         ftsoptions |= FTS_LOGICAL;
 152                         break;
 153                 case 'n':
 154                         nflag = 1;
 155                         break;
 156                 case 'P':
 157                         ftsoptions &= ~FTS_LOGICAL;
 158                         ftsoptions |= FTS_PHYSICAL;
 159                         break;
 160                 case 'p':
 161                         dir = optarg;
 162                         break;
 163                 case 'q':
 164                         qflag = 1;
 165                         break;
 166                 case 'r':
 167                         rflag = 1;
 168                         break;
 169                 case 's':
 170                         sflag = 1;
 171                         crc_total = (uint32_t)~strtoul(optarg, &p, 0);
 172                         if (*p) {
 173                                 RECORD_FAILURE(91, WARN_USAGE);
 174                                 errx(1, "illegal seed value -- %s", optarg);
 175                         }
 176                         break;
 177                 case 'U':
 178                         Uflag = 1;
 179                         uflag = 1;
 180                         break;
 181                 case 'u':
 182                         uflag = 1;
 183                         break;
 184                 case 'w':
 185                         wflag = 1;
 186                         break;
 187                 case 'x':
 188                         ftsoptions |= FTS_XDEV;
 189                         break;
 190                 case 'X':
 191                         read_excludes_file(optarg);
 192                         break;
 193                 case 'm':
 194                         mflag = 1;
 195                         filepath = strdup(optarg);
 196                         dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
 197                                                          &kCFTypeDictionaryKeyCallBacks,
 198                                                          &kCFTypeDictionaryValueCallBacks);
 199                         insert_access = insert_mod = insert_birth = insert_change = 0;
 200                         break;
 201                 case 'F':
 202                         timeformat = optarg;
 203                         break;
 204                 case 't':
 205                         timestamp = optarg;
 206                         tflag = 1;
 207                         break;
 208                 case 'E':
 209                         if (!strcmp(optarg, "-")) {
 210                                 file = stdout;
 211                         } else {
 212                                 file = fopen(optarg, "w");
 213                         }
 214                         if (file == NULL) {
 215                                 warnx("Could not open metrics log file %s", optarg);
 216                         } else {
 217                                 set_metrics_file(file);
 218                         }
 219                         break;
 220                 case 'S':
 221                         xflag = 1;
 222                         break;
 223                 case '?':
 224                 default:
 225                         RECORD_FAILURE(92, WARN_USAGE);
 226                         usage();
 227                 }
 228         argc -= optind;
 229 //      argv += optind;
 230
 231         if (argc) {
 232                 RECORD_FAILURE(93, WARN_USAGE);
 233                 usage();
 234         }
 235
 236         if (timestamp) {
 237                 struct tm t = {};
 238                 char *r = strptime(timestamp, timeformat, &t);
 239                 if (r && r[0] == '\0') {
 240                         ts.tv_sec = mktime(&t);
 241                         if ((ts.tv_sec - time(NULL)) > 30 * SECONDS_IN_A_DAY) {
 242                                 RECORD_FAILURE(94, WARN_TIME);
 243                                 errx(1, "Time is more then 30 days in the future");
 244                         } else if (ts.tv_sec < 0) {
 245                                 RECORD_FAILURE(95, WARN_TIME);
 246                                 errx(1, "Time is too far in the past");
 247                         }
 248                 } else {
 249                         RECORD_FAILURE(96, WARN_TIME);
 250                         errx(1,"Cannot parse timestamp '%s' using format \"%s\"\n", timestamp, timeformat);
 251                 }
 252         }
 253
 254         if (dir && chdir(dir)) {
 255                 error = errno;
 256                 RECORD_FAILURE(97, error);
 257                 errc(1, error, "%s", dir);
 258         }
 259
 260         if ((cflag || sflag) && !getwd(fullpath)) {
 261                 RECORD_FAILURE(98, errno);
 262                 errx(1, "%s", fullpath);
 263         }
 264
 265         if (dir) {
 266                 set_metric_path(dir);
 267         }
 268
 269         if (cflag) {
 270                 cwalk();
 271                 exit(0);
 272         }
 273         if (spec2 != NULL) {
 274                 status = mtree_specspec(spec1, spec2);
 275                 if (Uflag & (status == MISMATCHEXIT)) {
 276                         status = 0;
 277                 } else {
 278                         RECORD_FAILURE(99, status);
 279                 }
 280         } else {
 281                 status = mtree_verifyspec(spec1);
 282                 if (Uflag & (status == MISMATCHEXIT)) {
 283                         status = 0;
 284                 } else if (status) {
 285                         RECORD_FAILURE(100, status);
 286                 }
 287                 if (mflag && CFDictionaryGetCount(dict)) {
 288                         if (!write_plist_to_file()) {
 289                                 RECORD_FAILURE(101, EIO);
 290                                 errx(1, "could not write manifest to the file\n");
 291                         }
 292                 }
 293         }
 294         exit(status);
 295 }
 296
 297 static void
 298 usage(void)
 299 {
 300         (void)fprintf(stderr,
 301 "usage: mtree [-LPUScdeinqruxw] [-f spec] [-K key] [-k key] [-p path] [-s seed] [-m xml dictionary] [-t timestamp]\n"
 302 "\t[-X excludes]\n");
 303         exit(1);
 304 }
 305
 306 static bool
 307 write_plist_to_file(void)
 308 {
 309         if (!dict || !filepath) {
 310                 RECORD_FAILURE(102, EINVAL);
 311                 return false;
 312         }
 313
 314         CFIndex bytes_written = 0;
 315         bool status = true;
 316
 317         CFStringRef file_path_str = CFStringCreateWithCString(kCFAllocatorDefault, (const char *)filepath, kCFStringEncodingUTF8);
 318
 319         // Create a URL specifying the file to hold the XML data.
 320         CFURLRef fileURL = CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
 321                                                          file_path_str,           // file path name
 322                                                          kCFURLPOSIXPathStyle,   // interpret as POSIX path
 323                                                          false);                // is it a directory?
 324
 325         if (!fileURL) {
 326                 CFRelease(file_path_str);
 327                 RECORD_FAILURE(103, EINVAL);
 328                 return false;
 329         }
 330
 331         CFWriteStreamRef output_stream = CFWriteStreamCreateWithFile(kCFAllocatorDefault, fileURL);
 332
 333         if (!output_stream) {
 334                 CFRelease(file_path_str);
 335                 CFRelease(fileURL);
 336                 RECORD_FAILURE(104, EIO);
 337                 return false;
 338         }
 339
 340         if ((status = CFWriteStreamOpen(output_stream))) {
 341                 bytes_written = CFPropertyListWrite((CFPropertyListRef)dict, output_stream, kCFPropertyListXMLFormat_v1_0, 0, NULL);
 342                 CFWriteStreamClose(output_stream);
 343         } else {
 344                 status = false;
 345                 RECORD_FAILURE(105, EIO);
 346                 goto out;
 347         }
 348
 349         if (!bytes_written) {
 350                 status = false;
 351                 RECORD_FAILURE(106, EIO);
 352         }
 353
 354 out:
 355         CFRelease(output_stream);
 356         CFRelease(fileURL);
 357         CFRelease(file_path_str);
 358
 359         return status;
 360 }