git.gag.com Git - debian/amanda/blob - client-src/sendbackup-dump.c

   1 /*
   2  * Amanda, The Advanced Maryland Automatic Network Disk Archiver
   3  * Copyright (c) 1991-1999 University of Maryland at College Park
   4  * All Rights Reserved.
   5  *
   6  * Permission to use, copy, modify, distribute, and sell this software and its
   7  * documentation for any purpose is hereby granted without fee, provided that
   8  * the above copyright notice appear in all copies and that both that
   9  * copyright notice and this permission notice appear in supporting
  10  * documentation, and that the name of U.M. not be used in advertising or
  11  * publicity pertaining to distribution of the software without specific,
  12  * written prior permission.  U.M. makes no representations about the
  13  * suitability of this software for any purpose.  It is provided "as is"
  14  * without express or implied warranty.
  15  *
  16  * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
  18  * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  19  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  20  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  21  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22  *
  23  * Authors: the Amanda Development Team.  Its members are listed in a
  24  * file named AUTHORS, in the root directory of this distribution.
  25  */
  26 /*
  27  * $Id: sendbackup-dump.c,v 1.90.2.2 2006/11/24 18:10:38 martinea Exp $
  28  *
  29  * send backup data using BSD dump
  30  */
  31
  32 #include "amanda.h"
  33 #include "sendbackup.h"
  34 #include "getfsent.h"
  35 #include "clock.h"
  36 #include "version.h"
  37
  38 #define LEAF_AND_DIRS "sed -e \'\ns/^leaf[ \t]*[0-9]*[ \t]*\\.//\nt\n/^dir[ \t]/ {\ns/^dir[ \t]*[0-9]*[ \t]*\\.//\ns%$%/%\nt\n}\nd\n\'"
  39
  40 static amregex_t re_table[] = {
  41   /* the various encodings of dump size */
  42   /* this should also match BSDI pre-3.0's buggy dump program, that
  43      produced doubled DUMP: DUMP: messages */
  44   AM_SIZE_RE("DUMP: [0-9][0-9]* tape blocks", 1024),
  45   AM_SIZE_RE("dump: Actual: [0-9][0-9]* tape blocks", 1024),
  46   AM_SIZE_RE("backup: There are [0-9][0-9]* tape blocks on [0-9][0-9]* tapes",
  47              1024),
  48   AM_SIZE_RE("backup: [0-9][0-9]* tape blocks on [0-9][0-9]* tape\\(s\\)",
  49              1024),
  50   AM_SIZE_RE("backup: [0-9][0-9]* 1k blocks on [0-9][0-9]* volume\\(s\\)",
  51              1024),
  52   AM_SIZE_RE("DUMP: [0-9][0-9]* blocks \\([0-9][0-9]*KB\\) on [0-9][0-9]* volume",
  53              512),
  54   AM_SIZE_RE("DUMP: [0-9][0-9]* blocks \\([0-9][0-9]*\\.[0-9][0-9]*MB\\) on [0-9][0-9]* volume",
  55              512),
  56   AM_SIZE_RE("DUMP: [0-9][0-9]* blocks", 512),
  57   AM_SIZE_RE("DUMP: [0-9][0-9]* bytes were dumped", 1),
  58   /* OSF's vdump */
  59   AM_SIZE_RE("vdump: Dumped  [0-9][0-9]* of [0-9][0-9]* bytes", 1),
  60   /* DU 4.0a dump */
  61   AM_SIZE_RE("dump: Actual: [0-9][0-9]* blocks output to pipe", 1024),
  62   /* DU 4.0 vdump */
  63   AM_SIZE_RE("dump: Dumped  [0-9][0-9]* of [0-9][0-9]* bytes", 1),
  64   /* HPUX dump */
  65   AM_SIZE_RE("DUMP: [0-9][0-9]* KB actual output", 1024),
  66   /* HPUX 10.20 and above vxdump */
  67   AM_SIZE_RE("vxdump: [0-9][0-9]* tape blocks", 1024),
  68   /* UnixWare vxdump */
  69   AM_SIZE_RE("vxdump: [0-9][0-9]* blocks", 1024),
  70   /* SINIX vxdump */
  71   AM_SIZE_RE("   VXDUMP: [0-9][0-9]* blocks", 512),
  72   /* SINIX ufsdump */
  73   AM_SIZE_RE("   UFSDUMP: [0-9][0-9]* blocks", 512),
  74   /* Irix 6.2 xfs dump */
  75   AM_SIZE_RE("xfsdump: media file size [0-9][0-9]* bytes", 1),
  76   /* NetApp dump */
  77   AM_SIZE_RE("DUMP: [0-9][0-9]* KB", 1024),
  78
  79   /* strange dump lines */
  80   AM_STRANGE_RE("should not happen"),
  81   AM_STRANGE_RE("Cannot open"),
  82   AM_STRANGE_RE("[Ee]rror"),
  83   AM_STRANGE_RE("[Ff]ail"),
  84   /* XXX add more ERROR entries here by scanning dump sources? */
  85
  86   /* any blank or non-strange DUMP: lines are marked as normal */
  87   AM_NORMAL_RE("^ *DUMP:"),
  88   AM_NORMAL_RE("^dump:"),                                       /* OSF/1 */
  89   AM_NORMAL_RE("^vdump:"),                                      /* OSF/1 */
  90   AM_NORMAL_RE("^ *vxdump:"),                                   /* HPUX10 */
  91   AM_NORMAL_RE("^ *vxfs *vxdump:"),                             /* Solaris */
  92   AM_NORMAL_RE("^Dumping .* to stdout"),                        /* Sol vxdump */
  93   AM_NORMAL_RE("^xfsdump:"),                                    /* IRIX xfs */
  94   AM_NORMAL_RE("^ *VXDUMP:"),                                   /* Sinix */
  95   AM_NORMAL_RE("^ *UFSDUMP:"),                                  /* Sinix */
  96
  97 #ifdef VDUMP    /* this is for OSF/1 3.2's vdump for advfs */
  98   AM_NORMAL_RE("^The -s option is ignored"),                    /* OSF/1 */
  99   AM_NORMAL_RE("^path"),                                        /* OSF/1 */
 100   AM_NORMAL_RE("^dev/fset"),                                    /* OSF/1 */
 101   AM_NORMAL_RE("^type"),                                        /* OSF/1 */
 102   AM_NORMAL_RE("^advfs id"),                                    /* OSF/1 */
 103   AM_NORMAL_RE("^[A-Z][a-z][a-z] [A-Z][a-z][a-z] .[0-9] [0-9]"), /* OSF/1 */
 104 #endif
 105
 106   AM_NORMAL_RE("^backup:"),                                     /* AIX */
 107   AM_NORMAL_RE("^        Use the umount command to unmount the filesystem"),
 108
 109   AM_NORMAL_RE("^[ \t]*$"),
 110
 111   /* catch-all; DMP_STRANGE is returned for all other lines */
 112   AM_STRANGE_RE(NULL)
 113 };
 114
 115 static void start_backup(char *host, char *disk, char *amdevice, int level,
 116                 char *dumpdate, int dataf, int mesgf, int indexf);
 117 static void end_backup(int status);
 118
 119 /*
 120  *  doing similar to $ dump | compression | encryption
 121  */
 122
 123 static void
 124 start_backup(
 125     char *      host,
 126     char *      disk,
 127     char *      amdevice,
 128     int         level,
 129     char *      dumpdate,
 130     int         dataf,
 131     int         mesgf,
 132     int         indexf)
 133 {
 134     int dumpin, dumpout, compout;
 135     char *dumpkeys = NULL;
 136     char *device = NULL;
 137     char *fstype = NULL;
 138     char *cmd = NULL;
 139     char *cmdX = NULL;
 140     char *indexcmd = NULL;
 141     char level_str[NUM_STR_SIZE];
 142     char *compopt  = NULL;
 143     char *encryptopt = skip_argument;
 144     char *qdisk;
 145     char *config;
 146
 147     (void)dumpdate;     /* Quiet unused parameter warning */
 148
 149     snprintf(level_str, SIZEOF(level_str), "%d", level);
 150
 151     qdisk = quote_string(disk);
 152     dbprintf(("%s: start: %s:%s lev %d\n",
 153               get_pname(), host, qdisk, level));
 154
 155     fprintf(stderr, "%s: start [%s:%s level %d]\n",
 156             get_pname(), host, qdisk, level);
 157     amfree(qdisk);
 158
 159     /*  apply client-side encryption here */
 160     if ( options->encrypt == ENCRYPT_CUST ) {
 161         encpid = pipespawn(options->clnt_encrypt, STDIN_PIPE,
 162                        &compout, &dataf, &mesgf,
 163                        options->clnt_encrypt, encryptopt, NULL);
 164         dbprintf(("%s: pid %ld: %s\n",
 165                  debug_prefix_time("-gnutar"), (long)encpid, options->clnt_encrypt));
 166     } else {
 167         compout = dataf;
 168         encpid = -1;
 169     }
 170     /*  now do the client-side compression */
 171
 172
 173     if(options->compress == COMPR_FAST || options->compress == COMPR_BEST) {
 174         compopt = skip_argument;
 175
 176 #if defined(COMPRESS_BEST_OPT) && defined(COMPRESS_FAST_OPT)
 177         if(options->compress == COMPR_BEST) {
 178             compopt = COMPRESS_BEST_OPT;
 179         } else {
 180             compopt = COMPRESS_FAST_OPT;
 181         }
 182 #endif
 183         comppid = pipespawn(COMPRESS_PATH, STDIN_PIPE,
 184                             &dumpout, &compout, &mesgf,
 185                             COMPRESS_PATH, compopt, NULL);
 186         dbprintf(("%s: pid %ld: %s",
 187                   debug_prefix_time("-dump"), (long)comppid, COMPRESS_PATH));
 188         if(compopt != skip_argument) {
 189             dbprintf((" %s", compopt));
 190         }
 191         dbprintf(("\n"));
 192      } else if (options->compress == COMPR_CUST) {
 193         compopt = skip_argument;
 194         comppid = pipespawn(options->clntcompprog, STDIN_PIPE,
 195                             &dumpout, &compout, &mesgf,
 196                             options->clntcompprog, compopt, NULL);
 197         dbprintf(("%s: pid %ld: %s",
 198                   debug_prefix_time("-gnutar-cust"), (long)comppid, options->clntcompprog));
 199         if(compopt != skip_argument) {
 200             dbprintf((" %s", compopt));
 201         }
 202         dbprintf(("\n"));
 203     } else {
 204         dumpout = compout;
 205         comppid = -1;
 206     }
 207
 208     /* invoke dump */
 209     device = amname_to_devname(amdevice);
 210     fstype = amname_to_fstype(amdevice);
 211
 212     dbprintf(("%s: dumping device '%s' with '%s'\n",
 213               debug_prefix_time(NULL), device, fstype));
 214
 215 #if defined(USE_RUNDUMP) || !defined(DUMP)
 216     cmd = vstralloc(libexecdir, "/", "rundump", versionsuffix(), NULL);
 217     cmdX = cmd;
 218     if (g_options->config)
 219         config = g_options->config;
 220     else
 221         config = "NOCONFIG";
 222 #else
 223     cmd = stralloc(DUMP);
 224     cmdX = skip_argument;
 225     config = skip_argument;
 226 #endif
 227
 228 #ifndef AIX_BACKUP                                      /* { */
 229     /* normal dump */
 230 #ifdef XFSDUMP                                          /* { */
 231 #ifdef DUMP                                             /* { */
 232     if (strcmp(amname_to_fstype(amdevice), "xfs") == 0)
 233 #else                                                   /* } { */
 234     if (1)
 235 #endif                                                  /* } */
 236     {
 237         char *progname = cmd = newvstralloc(cmd, libexecdir, "/", "rundump",
 238                                             versionsuffix(), NULL);
 239         cmdX = cmd;
 240         if (g_options->config)
 241             config = g_options->config;
 242         else
 243             config = "NOCONFIG";
 244
 245         program->backup_name  = XFSDUMP;
 246         program->restore_name = XFSRESTORE;
 247
 248         indexcmd = vstralloc(XFSRESTORE,
 249                              " -t",
 250                              " -v", " silent",
 251                              " -",
 252                              " 2>/dev/null",
 253                              " | sed",
 254                              " -e", " \'s/^/\\//\'",
 255                              NULL);
 256         info_tapeheader();
 257
 258         start_index(options->createindex, dumpout, mesgf, indexf, indexcmd);
 259
 260         dumpkeys = stralloc(level_str);
 261         dumppid = pipespawn(progname, STDIN_PIPE,
 262                             &dumpin, &dumpout, &mesgf,
 263                             cmdX, config,
 264                             "xfsdump",
 265                             options->no_record ? "-J" : skip_argument,
 266                             "-F",
 267                             "-l", dumpkeys,
 268                             "-",
 269                             device,
 270                             NULL);
 271     }
 272     else
 273 #endif                                                  /* } */
 274 #ifdef VXDUMP                                           /* { */
 275 #ifdef DUMP
 276     if (strcmp(amname_to_fstype(amdevice), "vxfs") == 0)
 277 #else
 278     if (1)
 279 #endif
 280     {
 281 #ifdef USE_RUNDUMP
 282         char *progname = cmd = newvstralloc(cmd, libexecdir, "/", "rundump",
 283                                             versionsuffix(), NULL);
 284         cmdX = cmd;
 285         if (g_options->config)
 286             config = g_options->config;
 287         else
 288             config = "NOCONFIG";
 289 #else
 290         char *progname = cmd = newvstralloc(cmd, VXDUMP, NULL);
 291         cmdX = skip_argument;
 292         config = skip_argument;
 293 #endif
 294         program->backup_name  = VXDUMP;
 295         program->restore_name = VXRESTORE;
 296
 297         dumpkeys = vstralloc(level_str,
 298                              options->no_record ? "" : "u",
 299                              "s",
 300                              "f",
 301                              NULL);
 302
 303         indexcmd = vstralloc(VXRESTORE,
 304                              " -tvf", " -",
 305                              " 2>/dev/null",
 306                              " | ",
 307                              LEAF_AND_DIRS,
 308                              NULL);
 309         info_tapeheader();
 310
 311         start_index(options->createindex, dumpout, mesgf, indexf, indexcmd);
 312
 313         dumppid = pipespawn(progname, STDIN_PIPE,
 314                             &dumpin, &dumpout, &mesgf,
 315                             cmdX, config,
 316                             "vxdump",
 317                             dumpkeys,
 318                             "1048576",
 319                             "-",
 320                             device,
 321                             NULL);
 322     }
 323     else
 324 #endif                                                  /* } */
 325
 326 #ifdef VDUMP                                            /* { */
 327 #ifdef DUMP
 328     if (strcmp(amname_to_fstype(amdevice), "advfs") == 0)
 329 #else
 330     if (1)
 331 #endif
 332     {
 333         char *progname = cmd = newvstralloc(cmd, libexecdir, "/", "rundump",
 334                                             versionsuffix(), NULL);
 335         cmdX = cmd;
 336         if (g_options->config)
 337             config = g_options->config;
 338         else
 339             config = "NOCONFIG";
 340         device = newstralloc(device, amname_to_dirname(amdevice));
 341         program->backup_name  = VDUMP;
 342         program->restore_name = VRESTORE;
 343
 344         dumpkeys = vstralloc(level_str,
 345                              options->no_record ? "" : "u",
 346                              "b",
 347                              "f",
 348                              NULL);
 349
 350         indexcmd = vstralloc(VRESTORE,
 351                              " -tvf", " -",
 352                              " 2>/dev/null",
 353                              " | ",
 354                              "sed -e \'\n/^\\./ {\ns/^\\.//\ns/, [0-9]*$//\ns/^\\.//\ns/ @-> .*$//\nt\n}\nd\n\'",
 355                              NULL);
 356         info_tapeheader();
 357
 358         start_index(options->createindex, dumpout, mesgf, indexf, indexcmd);
 359
 360         dumppid = pipespawn(cmd, STDIN_PIPE,
 361                             &dumpin, &dumpout, &mesgf,
 362                             cmdX, config,
 363                             "vdump",
 364                             dumpkeys,
 365                             "60",
 366                             "-",
 367                             device,
 368                             NULL);
 369     }
 370     else
 371 #endif                                                  /* } */
 372
 373     {
 374 #ifndef RESTORE
 375 #define RESTORE "restore"
 376 #endif
 377
 378 #ifdef HAVE_HONOR_NODUMP
 379 #  define PARAM_HONOR_NODUMP "h"
 380 #else
 381 #  define PARAM_HONOR_NODUMP ""
 382 #endif
 383         dumpkeys = vstralloc(level_str,
 384                              options->no_record ? "" : "u",
 385                              "s",
 386                              PARAM_HONOR_NODUMP,
 387                              "f",
 388                              NULL);
 389
 390         indexcmd = vstralloc(RESTORE,
 391                              " -tvf", " -",
 392                              " 2>&1",
 393                              /* not to /dev/null because of DU's dump */
 394                              " | ",
 395                              LEAF_AND_DIRS,
 396                              NULL);
 397         info_tapeheader();
 398
 399         start_index(options->createindex, dumpout, mesgf, indexf, indexcmd);
 400
 401         dumppid = pipespawn(cmd, STDIN_PIPE,
 402                             &dumpin, &dumpout, &mesgf,
 403                             cmdX, config,
 404                             "dump",
 405                             dumpkeys,
 406                             "1048576",
 407 #ifdef HAVE_HONOR_NODUMP
 408                             "0",
 409 #endif
 410                             "-",
 411                             device,
 412                             NULL);
 413     }
 414 #else                                                   /* } { */
 415     /* AIX backup program */
 416     dumpkeys = vstralloc("-",
 417                          level_str,
 418                          options->no_record ? "" : "u",
 419                          "f",
 420                          NULL);
 421
 422     indexcmd = vstralloc(RESTORE,
 423                          " -B",
 424                          " -tvf", " -",
 425                          " 2>/dev/null",
 426                          " | ",
 427                          LEAF_AND_DIRS,
 428                          NULL);
 429     info_tapeheader();
 430
 431     start_index(options->createindex, dumpout, mesgf, indexf, indexcmd);
 432
 433     dumppid = pipespawn(cmd, STDIN_PIPE,
 434                         &dumpin, &dumpout, &mesgf,
 435                         cmdX, config,
 436                         "backup",
 437                         dumpkeys,
 438                         "-",
 439                         device,
 440                         NULL);
 441 #endif                                                  /* } */
 442
 443     amfree(dumpkeys);
 444     amfree(fstype);
 445     amfree(device);
 446     amfree(cmd);
 447     amfree(indexcmd);
 448
 449     /* close the write ends of the pipes */
 450
 451     aclose(dumpin);
 452     aclose(dumpout);
 453     aclose(compout);
 454     aclose(dataf);
 455     aclose(mesgf);
 456     if (options->createindex)
 457         aclose(indexf);
 458 }
 459
 460 static void
 461 end_backup(
 462     int         status)
 463 {
 464     (void)status;       /* Quiet unused parameter warning */
 465
 466     /* don't need to do anything for dump */
 467 }
 468
 469 backup_program_t dump_program = {
 470   "DUMP",
 471 #ifdef DUMP
 472   DUMP
 473 #else
 474   "dump"
 475 #endif
 476   ,
 477   RESTORE
 478   ,
 479   re_table, start_backup, end_backup
 480 };