source3/utils/smbget.c

   1 /*
   2    smbget: a wget-like utility with support for recursive downloading of
   3         smb:// urls
   4    Copyright (C) 2003-2004 Jelmer Vernooij <jelmer@samba.org>
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #include "includes.h"
  20 #include "system/filesys.h"
  21 #include "popt_common.h"
  22 #include "libsmbclient.h"
  23
  24 static int columns = 0;
  25
  26 static time_t total_start_time = 0;
  27 static off_t total_bytes = 0;
  28
  29 #define SMB_MAXPATHLEN MAXPATHLEN
  30
  31 /*
  32  * Number of bytes to read when checking whether local and remote file
  33  * are really the same file
  34  */
  35 #define RESUME_CHECK_SIZE       512
  36 #define RESUME_DOWNLOAD_OFFSET  1024
  37 #define RESUME_CHECK_OFFSET     (RESUME_DOWNLOAD_OFFSET+RESUME_CHECK_SIZE)
  38 /* Number of bytes to read at once */
  39 #define SMB_DEFAULT_BLOCKSIZE   64000
  40
  41 struct opt {
  42         char *workgroup;
  43         bool username_specified;
  44         char *username;
  45         bool password_specified;
  46         char *password;
  47
  48         char *outputfile;
  49         size_t blocksize;
  50
  51         bool nonprompt;
  52         bool quiet;
  53         bool dots;
  54         bool keep_permissions;
  55         bool verbose;
  56         bool send_stdout;
  57         bool update;
  58         int debuglevel;
  59 };
  60 static struct opt opt;
  61
  62 static bool smb_download_file(const char *base, const char *name,
  63                               bool recursive, bool resume, bool toplevel,
  64                               char *outfile);
  65
  66 static int get_num_cols(void)
  67 {
  68 #ifdef TIOCGWINSZ
  69         struct winsize ws;
  70         if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0) {
  71                 return 0;
  72         }
  73         return ws.ws_col;
  74 #else
  75 #warning No support for TIOCGWINSZ
  76         char *cols = getenv("COLUMNS");
  77         if (!cols) {
  78                 return 0;
  79         }
  80         return atoi(cols);
  81 #endif
  82 }
  83
  84 static void change_columns(int sig)
  85 {
  86         columns = get_num_cols();
  87 }
  88
  89 static void human_readable(off_t s, char *buffer, int l)
  90 {
  91         if (s > 1024 * 1024 * 1024) {
  92                 snprintf(buffer, l, "%.2fGB", 1.0 * s / (1024 * 1024 * 1024));
  93         } else if (s > 1024 * 1024) {
  94                 snprintf(buffer, l, "%.2fMB", 1.0 * s / (1024 * 1024));
  95         } else if (s > 1024) {
  96                 snprintf(buffer, l, "%.2fkB", 1.0 * s / 1024);
  97         } else {
  98                 snprintf(buffer, l, "%jdb", (intmax_t)s);
  99         }
 100 }
 101
 102 static void get_auth_data(const char *srv, const char *shr, char *wg, int wglen,
 103                           char *un, int unlen, char *pw, int pwlen)
 104 {
 105         static bool hasasked = false;
 106         static char *savedwg;
 107         static char *savedun;
 108         static char *savedpw;
 109         char tmp[128];
 110
 111         if (hasasked) {
 112                 strncpy(wg, savedwg, wglen - 1);
 113                 strncpy(un, savedun, unlen - 1);
 114                 strncpy(pw, savedpw, pwlen - 1);
 115                 return;
 116         }
 117         hasasked = true;
 118
 119         if (!opt.nonprompt && !opt.username_specified) {
 120                 printf("Username for %s at %s [guest] ", shr, srv);
 121                 if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
 122                         return;
 123                 }
 124                 if ((strlen(tmp) > 0) && (tmp[strlen(tmp) - 1] == '\n')) {
 125                         tmp[strlen(tmp) - 1] = '\0';
 126                 }
 127                 strncpy(un, tmp, unlen - 1);
 128         } else if (opt.username != NULL) {
 129                 strncpy(un, opt.username, unlen - 1);
 130         }
 131
 132         if (!opt.nonprompt && !opt.password_specified) {
 133                 char *prompt;
 134                 if (asprintf(&prompt, "Password for %s at %s: ", shr, srv) ==
 135                     -1) {
 136                         return;
 137                 }
 138                 (void)samba_getpass(prompt, pw, pwlen, false, false);
 139                 free(prompt);
 140         } else if (opt.password != NULL) {
 141                 strncpy(pw, opt.password, pwlen-1);
 142         }
 143
 144         if (opt.workgroup != NULL) {
 145                 strncpy(wg, opt.workgroup, wglen-1);
 146         }
 147
 148         /* save the values found for later */
 149         savedwg = SMB_STRDUP(wg);
 150         savedun = SMB_STRDUP(un);
 151         savedpw = SMB_STRDUP(pw);
 152
 153         if (!opt.quiet) {
 154                 char *wgtmp, *usertmp;
 155                 wgtmp = SMB_STRNDUP(wg, wglen);
 156                 usertmp = SMB_STRNDUP(un, unlen);
 157                 printf("Using workgroup %s, %s%s\n",
 158                        wgtmp,
 159                        *usertmp ? "user " : "guest user",
 160                        usertmp);
 161                 free(wgtmp);
 162                 free(usertmp);
 163         }
 164 }
 165
 166 /* Return 1 on error, 0 on success. */
 167
 168 static int smb_download_dir(const char *base, const char *name, int resume)
 169 {
 170         char path[SMB_MAXPATHLEN];
 171         int dirhandle;
 172         struct smbc_dirent *dirent;
 173         const char *relname = name;
 174         char *tmpname;
 175         struct stat remotestat;
 176         int ret = 0;
 177
 178         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base,
 179                  (base[0] && name[0] && name[0] != '/' &&
 180                   base[strlen(base)-1] != '/') ? "/" : "",
 181                  name);
 182
 183         /* List files in directory and call smb_download_file on them */
 184         dirhandle = smbc_opendir(path);
 185         if (dirhandle < 1) {
 186                 if (errno == ENOTDIR) {
 187                         return smb_download_file(base, name, true, resume,
 188                                                  false, NULL);
 189                 }
 190                 fprintf(stderr, "Can't open directory %s: %s\n", path,
 191                         strerror(errno));
 192                 return 1;
 193         }
 194
 195         while (*relname == '/') {
 196                 relname++;
 197         }
 198         mkdir(relname, 0755);
 199
 200         tmpname = SMB_STRDUP(name);
 201
 202         while ((dirent = smbc_readdir(dirhandle))) {
 203                 char *newname;
 204                 if (!strcmp(dirent->name, ".") || !strcmp(dirent->name, "..")) {
 205                         continue;
 206                 }
 207                 if (asprintf(&newname, "%s/%s", tmpname, dirent->name) == -1) {
 208                         free(tmpname);
 209                         return 1;
 210                 }
 211                 switch (dirent->smbc_type) {
 212                 case SMBC_DIR:
 213                         ret = smb_download_dir(base, newname, resume);
 214                         break;
 215
 216                 case SMBC_WORKGROUP:
 217                         ret = smb_download_dir("smb://", dirent->name, resume);
 218                         break;
 219
 220                 case SMBC_SERVER:
 221                         ret = smb_download_dir("smb://", dirent->name, resume);
 222                         break;
 223
 224                 case SMBC_FILE:
 225                         ret = smb_download_file(base, newname, true, resume,
 226                                                 false, NULL);
 227                         break;
 228
 229                 case SMBC_FILE_SHARE:
 230                         ret = smb_download_dir(base, newname, resume);
 231                         break;
 232
 233                 case SMBC_PRINTER_SHARE:
 234                         if (!opt.quiet) {
 235                                 printf("Ignoring printer share %s\n",
 236                                        dirent->name);
 237                         }
 238                         break;
 239
 240                 case SMBC_COMMS_SHARE:
 241                         if (!opt.quiet) {
 242                                 printf("Ignoring comms share %s\n",
 243                                        dirent->name);
 244                         }
 245                         break;
 246
 247                 case SMBC_IPC_SHARE:
 248                         if (!opt.quiet) {
 249                                 printf("Ignoring ipc$ share %s\n",
 250                                        dirent->name);
 251                         }
 252                         break;
 253
 254                 default:
 255                         fprintf(stderr, "Ignoring file '%s' of type '%d'\n",
 256                                 newname, dirent->smbc_type);
 257                         break;
 258                 }
 259                 free(newname);
 260         }
 261         free(tmpname);
 262
 263         if (opt.keep_permissions) {
 264                 if (smbc_fstat(dirhandle, &remotestat) < 0) {
 265                         fprintf(stderr,
 266                                 "Unable to get stats on %s on remote server\n",
 267                                 path);
 268                         smbc_closedir(dirhandle);
 269                         return 1;
 270                 }
 271
 272                 if (chmod(relname, remotestat.st_mode) < 0) {
 273                         fprintf(stderr,
 274                                 "Unable to change mode of local dir %s to %o\n",
 275                                 relname, (unsigned int)remotestat.st_mode);
 276                         smbc_closedir(dirhandle);
 277                         return 1;
 278                 }
 279         }
 280
 281         smbc_closedir(dirhandle);
 282         return ret;
 283 }
 284
 285 static char *print_time(long t)
 286 {
 287         static char buffer[100];
 288         int secs, mins, hours;
 289         if (t < -1) {
 290                 strncpy(buffer, "Unknown", sizeof(buffer));
 291                 return buffer;
 292         }
 293
 294         secs = (int)t % 60;
 295         mins = (int)t / 60 % 60;
 296         hours = (int)t / (60 * 60);
 297         snprintf(buffer, sizeof(buffer) - 1, "%02d:%02d:%02d", hours, mins,
 298                  secs);
 299         return buffer;
 300 }
 301
 302 static void print_progress(const char *name, time_t start, time_t now,
 303                            off_t start_pos, off_t pos, off_t total)
 304 {
 305         double avg = 0.0;
 306         long eta = -1;
 307         double prcnt = 0.0;
 308         char hpos[20], htotal[20], havg[20];
 309         char *status, *filename;
 310         int len;
 311         if (now - start) {
 312                 avg = 1.0 * (pos - start_pos) / (now - start);
 313         }
 314         eta = (total - pos) / avg;
 315         if (total) {
 316                 prcnt = 100.0 * pos / total;
 317         }
 318
 319         human_readable(pos, hpos, sizeof(hpos));
 320         human_readable(total, htotal, sizeof(htotal));
 321         human_readable(avg, havg, sizeof(havg));
 322
 323         len = asprintf(&status, "%s of %s (%.2f%%) at %s/s ETA: %s", hpos,
 324                        htotal, prcnt, havg, print_time(eta));
 325         if (len == -1) {
 326                 return;
 327         }
 328
 329         if (columns) {
 330                 int required = strlen(name),
 331                     available = columns - len - strlen("[] ");
 332                 if (required > available) {
 333                         if (asprintf(&filename, "...%s",
 334                                      name + required - available + 3) == -1) {
 335                                 return;
 336                         }
 337                 } else {
 338                         filename = SMB_STRNDUP(name, available);
 339                 }
 340         } else {
 341                 filename = SMB_STRDUP(name);
 342         }
 343
 344         fprintf(stderr, "\r[%s] %s", filename, status);
 345
 346         free(filename);
 347         free(status);
 348 }
 349
 350 /* Return false on error, true on success. */
 351
 352 static bool smb_download_file(const char *base, const char *name,
 353                               bool recursive, bool resume, bool toplevel,
 354                               char *outfile)
 355 {
 356         int remotehandle, localhandle;
 357         time_t start_time = time_mono(NULL);
 358         const char *newpath;
 359         char path[SMB_MAXPATHLEN];
 360         char checkbuf[2][RESUME_CHECK_SIZE];
 361         char *readbuf = NULL;
 362         off_t offset_download = 0, offset_check = 0, curpos = 0,
 363               start_offset = 0;
 364         struct stat localstat, remotestat;
 365
 366         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base,
 367                  (*base && *name && name[0] != '/' &&
 368                   base[strlen(base)-1] != '/') ? "/" : "",
 369                  name);
 370
 371         remotehandle = smbc_open(path, O_RDONLY, 0755);
 372
 373         if (remotehandle < 0) {
 374                 switch (errno) {
 375                 case EISDIR:
 376                         if (!recursive) {
 377                                 fprintf(stderr,
 378                                         "%s is a directory. Specify -R "
 379                                         "to download recursively\n",
 380                                         path);
 381                                 return false;
 382                         }
 383                         return smb_download_dir(base, name, resume);
 384
 385                 case ENOENT:
 386                         fprintf(stderr,
 387                                 "%s can't be found on the remote server\n",
 388                                 path);
 389                         return false;
 390
 391                 case ENOMEM:
 392                         fprintf(stderr, "Not enough memory\n");
 393                         return false;
 394
 395                 case ENODEV:
 396                         fprintf(stderr,
 397                                 "The share name used in %s does not exist\n",
 398                                 path);
 399                         return false;
 400
 401                 case EACCES:
 402                         fprintf(stderr, "You don't have enough permissions "
 403                                 "to access %s\n",
 404                                 path);
 405                         return false;
 406
 407                 default:
 408                         perror("smbc_open");
 409                         return false;
 410                 }
 411         }
 412
 413         if (smbc_fstat(remotehandle, &remotestat) < 0) {
 414                 fprintf(stderr, "Can't stat %s: %s\n", path, strerror(errno));
 415                 return false;
 416         }
 417
 418         if (outfile) {
 419                 newpath = outfile;
 420         } else if (!name[0]) {
 421                 newpath = strrchr(base, '/');
 422                 if (newpath) {
 423                         newpath++;
 424                 } else {
 425                         newpath = base;
 426                 }
 427         } else {
 428                 newpath = name;
 429         }
 430
 431         if (!toplevel && (newpath[0] == '/')) {
 432                 newpath++;
 433         }
 434
 435         /* Open local file according to the mode */
 436         if (opt.update) {
 437                 /* if it is up-to-date, skip */
 438                 if (stat(newpath, &localstat) == 0 &&
 439                     localstat.st_mtime >= remotestat.st_mtime) {
 440                         if (opt.verbose) {
 441                                 printf("%s is up-to-date, skipping\n", newpath);
 442                         }
 443                         smbc_close(remotehandle);
 444                         return true;
 445                 }
 446                 /* else open it for writing and truncate if it exists */
 447                 localhandle = open(
 448                     newpath, O_CREAT | O_NONBLOCK | O_RDWR | O_TRUNC, 0775);
 449                 if (localhandle < 0) {
 450                         fprintf(stderr, "Can't open %s : %s\n", newpath,
 451                                 strerror(errno));
 452                         smbc_close(remotehandle);
 453                         return false;
 454                 }
 455                 /* no offset */
 456         } else if (!opt.send_stdout) {
 457                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR |
 458                                                 (!resume ? O_EXCL : 0),
 459                                    0755);
 460                 if (localhandle < 0) {
 461                         fprintf(stderr, "Can't open %s: %s\n", newpath,
 462                                 strerror(errno));
 463                         smbc_close(remotehandle);
 464                         return false;
 465                 }
 466
 467                 if (fstat(localhandle, &localstat) != 0) {
 468                         fprintf(stderr, "Can't fstat %s: %s\n", newpath,
 469                                 strerror(errno));
 470                         smbc_close(remotehandle);
 471                         close(localhandle);
 472                         return false;
 473                 }
 474
 475                 start_offset = localstat.st_size;
 476
 477                 if (localstat.st_size &&
 478                     localstat.st_size == remotestat.st_size) {
 479                         if (opt.verbose) {
 480                                 fprintf(stderr, "%s is already downloaded "
 481                                         "completely.\n",
 482                                         path);
 483                         } else if (!opt.quiet) {
 484                                 fprintf(stderr, "%s\n", path);
 485                         }
 486                         smbc_close(remotehandle);
 487                         close(localhandle);
 488                         return true;
 489                 }
 490
 491                 if (localstat.st_size > RESUME_CHECK_OFFSET &&
 492                     remotestat.st_size > RESUME_CHECK_OFFSET) {
 493                         offset_download =
 494                             localstat.st_size - RESUME_DOWNLOAD_OFFSET;
 495                         offset_check = localstat.st_size - RESUME_CHECK_OFFSET;
 496                         if (opt.verbose) {
 497                                 printf("Trying to start resume of %s at %jd\n"
 498                                        "At the moment %jd of %jd bytes have "
 499                                        "been retrieved\n",
 500                                        newpath, (intmax_t)offset_check,
 501                                        (intmax_t)localstat.st_size,
 502                                        (intmax_t)remotestat.st_size);
 503                         }
 504                 }
 505
 506                 if (offset_check) {
 507                         off_t off1, off2;
 508                         /* First, check all bytes from offset_check to
 509                          * offset_download */
 510                         off1 = lseek(localhandle, offset_check, SEEK_SET);
 511                         if (off1 < 0) {
 512                                 fprintf(stderr,
 513                                         "Can't seek to %jd in local file %s\n",
 514                                         (intmax_t)offset_check, newpath);
 515                                 smbc_close(remotehandle);
 516                                 close(localhandle);
 517                                 return false;
 518                         }
 519
 520                         off2 = smbc_lseek(remotehandle, offset_check, SEEK_SET);
 521                         if (off2 < 0) {
 522                                 fprintf(stderr,
 523                                         "Can't seek to %jd in remote file %s\n",
 524                                         (intmax_t)offset_check, newpath);
 525                                 smbc_close(remotehandle);
 526                                 close(localhandle);
 527                                 return false;
 528                         }
 529
 530                         if (off1 != off2) {
 531                                 fprintf(stderr, "Offset in local and remote "
 532                                         "files are different "
 533                                         "(local: %jd, remote: %jd)\n",
 534                                         (intmax_t)off1, (intmax_t)off2);
 535                                 smbc_close(remotehandle);
 536                                 close(localhandle);
 537                                 return false;
 538                         }
 539
 540                         if (smbc_read(remotehandle, checkbuf[0],
 541                                       RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
 542                                 fprintf(stderr, "Can't read %d bytes from "
 543                                         "remote file %s\n",
 544                                         RESUME_CHECK_SIZE, path);
 545                                 smbc_close(remotehandle);
 546                                 close(localhandle);
 547                                 return false;
 548                         }
 549
 550                         if (read(localhandle, checkbuf[1], RESUME_CHECK_SIZE) !=
 551                             RESUME_CHECK_SIZE) {
 552                                 fprintf(stderr, "Can't read %d bytes from "
 553                                         "local file %s\n",
 554                                         RESUME_CHECK_SIZE, name);
 555                                 smbc_close(remotehandle);
 556                                 close(localhandle);
 557                                 return false;
 558                         }
 559
 560                         if (memcmp(checkbuf[0], checkbuf[1],
 561                                    RESUME_CHECK_SIZE) == 0) {
 562                                 if (opt.verbose) {
 563                                         printf("Current local and remote file "
 564                                                "appear to be the same. "
 565                                                "Starting download from "
 566                                                "offset %jd\n",
 567                                                (intmax_t)offset_download);
 568                                 }
 569                         } else {
 570                                 fprintf(stderr, "Local and remote file appear "
 571                                         "to be different, not "
 572                                         "doing resume for %s\n",
 573                                         path);
 574                                 smbc_close(remotehandle);
 575                                 close(localhandle);
 576                                 return false;
 577                         }
 578                 }
 579         } else {
 580                 localhandle = STDOUT_FILENO;
 581                 start_offset = 0;
 582                 offset_download = 0;
 583                 offset_check = 0;
 584         }
 585
 586         readbuf = (char *)SMB_MALLOC(opt.blocksize);
 587         if (!readbuf) {
 588                 if (localhandle != STDOUT_FILENO) {
 589                         close(localhandle);
 590                 }
 591                 return false;
 592         }
 593
 594         /* Now, download all bytes from offset_download to the end */
 595         for (curpos = offset_download; curpos < remotestat.st_size;
 596              curpos += opt.blocksize) {
 597                 ssize_t bytesread = smbc_read(remotehandle,
 598                                               readbuf,
 599                                               opt.blocksize);
 600                 if(bytesread < 0) {
 601                         fprintf(stderr,
 602                                 "Can't read %zu bytes at offset %jd, file %s\n",
 603                                 opt.blocksize, (intmax_t)curpos, path);
 604                         smbc_close(remotehandle);
 605                         if (localhandle != STDOUT_FILENO) {
 606                                 close(localhandle);
 607                         }
 608                         free(readbuf);
 609                         return false;
 610                 }
 611
 612                 total_bytes += bytesread;
 613
 614                 if(write(localhandle, readbuf, bytesread) < 0) {
 615                         fprintf(stderr,
 616                                 "Can't write %zd bytes to local file %s at "
 617                                 "offset %jd\n", bytesread, path,
 618                                 (intmax_t)curpos);
 619                         free(readbuf);
 620                         smbc_close(remotehandle);
 621                         if (localhandle != STDOUT_FILENO) {
 622                                 close(localhandle);
 623                         }
 624                         return false;
 625                 }
 626
 627                 if (opt.dots) {
 628                         fputc('.', stderr);
 629                 } else if (!opt.quiet) {
 630                         print_progress(newpath, start_time, time_mono(NULL),
 631                                        start_offset, curpos,
 632                                        remotestat.st_size);
 633                 }
 634         }
 635
 636         free(readbuf);
 637
 638         if (opt.dots) {
 639                 fputc('\n', stderr);
 640                 printf("%s downloaded\n", path);
 641         } else if (!opt.quiet) {
 642                 int i;
 643                 fprintf(stderr, "\r%s", path);
 644                 if (columns) {
 645                         for (i = strlen(path); i < columns; i++) {
 646                                 fputc(' ', stderr);
 647                         }
 648                 }
 649                 fputc('\n', stderr);
 650         }
 651
 652         if (opt.keep_permissions && !opt.send_stdout) {
 653                 if (fchmod(localhandle, remotestat.st_mode) < 0) {
 654                         fprintf(stderr, "Unable to change mode of local "
 655                                 "file %s to %o\n",
 656                                 path, (unsigned int)remotestat.st_mode);
 657                         smbc_close(remotehandle);
 658                         close(localhandle);
 659                         return false;
 660                 }
 661         }
 662
 663         smbc_close(remotehandle);
 664         if (localhandle != STDOUT_FILENO) {
 665                 close(localhandle);
 666         }
 667         return true;
 668 }
 669
 670 static void clean_exit(void)
 671 {
 672         char bs[100];
 673         human_readable(total_bytes, bs, sizeof(bs));
 674         if (!opt.quiet) {
 675                 fprintf(stderr, "Downloaded %s in %lu seconds\n", bs,
 676                         (unsigned long)(time_mono(NULL) - total_start_time));
 677         }
 678         exit(0);
 679 }
 680
 681 static void signal_quit(int v)
 682 {
 683         clean_exit();
 684 }
 685
 686 static int readrcfile(const char *name, const struct poptOption long_options[])
 687 {
 688         FILE *fd = fopen(name, "r");
 689         int lineno = 0, i;
 690         char var[101], val[101];
 691         bool found;
 692         int *intdata;
 693         char **stringdata;
 694         if (!fd) {
 695                 fprintf(stderr, "Can't open RC file %s\n", name);
 696                 return 1;
 697         }
 698
 699         while (!feof(fd)) {
 700                 lineno++;
 701                 if (fscanf(fd, "%100s %100s\n", var, val) < 2) {
 702                         fprintf(stderr,
 703                                 "Can't parse line %d of %s, ignoring.\n",
 704                                 lineno, name);
 705                         continue;
 706                 }
 707
 708                 found = false;
 709
 710                 for (i = 0; long_options[i].argInfo; i++) {
 711                         if (!long_options[i].longName) {
 712                                 continue;
 713                         }
 714                         if (strcmp(long_options[i].longName, var)) {
 715                                 continue;
 716                         }
 717                         if (!long_options[i].arg) {
 718                                 continue;
 719                         }
 720
 721                         switch (long_options[i].argInfo) {
 722                         case POPT_ARG_NONE:
 723                                 intdata = (int *)long_options[i].arg;
 724                                 if (!strcmp(val, "on")) {
 725                                         *intdata = 1;
 726                                 } else if (!strcmp(val, "off")) {
 727                                         *intdata = 0;
 728                                 } else {
 729                                         fprintf(stderr, "Illegal value %s for "
 730                                                 "%s at line %d in %s\n",
 731                                                 val, var, lineno, name);
 732                                 }
 733                                 break;
 734                         case POPT_ARG_INT:
 735                                 intdata = (int *)long_options[i].arg;
 736                                 *intdata = atoi(val);
 737                                 break;
 738                         case POPT_ARG_STRING:
 739                                 stringdata = (char **)long_options[i].arg;
 740                                 *stringdata = SMB_STRDUP(val);
 741                                 break;
 742                         default:
 743                                 fprintf(stderr, "Invalid variable %s at "
 744                                         "line %d in %s\n",
 745                                         var, lineno, name);
 746                                 break;
 747                         }
 748
 749                         found = true;
 750                 }
 751                 if (!found) {
 752                         fprintf(stderr,
 753                                 "Invalid variable %s at line %d in %s\n", var,
 754                                 lineno, name);
 755                 }
 756         }
 757
 758         fclose(fd);
 759         return 0;
 760 }
 761
 762 int main(int argc, char **argv)
 763 {
 764         int c = 0;
 765         const char *file = NULL;
 766         char *rcfile = NULL;
 767         bool smb_encrypt = false;
 768         int resume = 0, recursive = 0;
 769         TALLOC_CTX *frame = talloc_stackframe();
 770         bool ret = true;
 771         char *p;
 772         const char **argv_const = discard_const_p(const char *, argv);
 773         struct poptOption long_options[] = {
 774                 POPT_AUTOHELP
 775
 776                 {"workgroup",  'w', POPT_ARG_STRING, &opt.workgroup,   'w', "Workgroup to use (optional)" },
 777                 {"user",       'U', POPT_ARG_STRING, &opt.username,    'U', "Username to use" },
 778                 {"guest",      'a', POPT_ARG_NONE,   NULL,             'a', "Work as user guest" },
 779
 780                 {"nonprompt",  'n', POPT_ARG_NONE,   &opt.nonprompt,   'n', "Don't ask anything (non-interactive)" },
 781                 {"debuglevel", 'd', POPT_ARG_INT,    &opt.debuglevel,  'd', "Debuglevel to use" },
 782
 783                 {"encrypt",    'e', POPT_ARG_NONE,   NULL,             'e', "Encrypt SMB transport" },
 784                 {"resume",     'r', POPT_ARG_NONE,   &resume,           0,  "Automatically resume aborted files" },
 785                 {"update",     'u', POPT_ARG_NONE,   &opt.update,       0,  "Download only when remote file is newer than local file or local file is missing"},
 786                 {"recursive",  'R', POPT_ARG_NONE,   &recursive,        0,  "Recursively download files" },
 787                 {"keep-permissions", 'P', POPT_ARG_NONE, &opt.keep_permissions, 'P', "Keep permissions" },
 788                 {"blocksize",  'b', POPT_ARG_INT,    &opt.blocksize,   'b', "Change number of bytes in a block"},
 789
 790                 {"outputfile", 'o', POPT_ARG_STRING, &opt.outputfile,  'o', "Write downloaded data to specified file" },
 791                 {"stdout",     'O', POPT_ARG_NONE,   &opt.send_stdout, 'O', "Write data to stdout" },
 792                 {"dots",       'D', POPT_ARG_NONE,   &opt.dots,        'D', "Show dots as progress indication" },
 793                 {"quiet",      'q', POPT_ARG_NONE,   &opt.quiet,       'q', "Be quiet" },
 794                 {"verbose",    'v', POPT_ARG_NONE,   &opt.verbose,     'v', "Be verbose" },
 795                 {"rcfile",     'f', POPT_ARG_STRING, NULL,             'f', "Use specified rc file"},
 796
 797                 POPT_TABLEEND
 798         };
 799         poptContext pc;
 800
 801         smb_init_locale();
 802
 803         /* only read rcfile if it exists */
 804         if (asprintf(&rcfile, "%s/.smbgetrc", getenv("HOME")) == -1) {
 805                 return 1;
 806         }
 807         if (access(rcfile, F_OK) == 0) {
 808                 readrcfile(rcfile, long_options);
 809         }
 810         free(rcfile);
 811
 812 #ifdef SIGWINCH
 813         signal(SIGWINCH, change_columns);
 814 #endif
 815         signal(SIGINT, signal_quit);
 816         signal(SIGTERM, signal_quit);
 817
 818         pc = poptGetContext(argv[0], argc, argv_const, long_options, 0);
 819
 820         while ((c = poptGetNextOpt(pc)) >= 0) {
 821                 switch (c) {
 822                 case 'f':
 823                         readrcfile(poptGetOptArg(pc), long_options);
 824                         break;
 825                 case 'a':
 826                         opt.username_specified = true;
 827                         opt.username = talloc_strdup(frame, "");
 828                         opt.password_specified = true;
 829                         opt.password = talloc_strdup(frame, "");
 830                         break;
 831                 case 'e':
 832                         smb_encrypt = true;
 833                         break;
 834                 case 'U':
 835                         opt.username_specified = true;
 836                         opt.username = talloc_strdup(frame, opt.username);
 837                         p = strchr(opt.username,'%');
 838                         if (p != NULL) {
 839                                 *p = '\0';
 840                                 opt.password = p + 1;
 841                                 opt.password_specified = true;
 842                         }
 843                         break;
 844                 }
 845         }
 846
 847         if ((opt.send_stdout || resume || opt.outputfile) && opt.update) {
 848                 fprintf(stderr, "The -o, -R or -O and -U options can not be "
 849                         "used together.\n");
 850                 return 1;
 851         }
 852         if ((opt.send_stdout || opt.outputfile) && recursive) {
 853                 fprintf(stderr, "The -o or -O and -R options can not be "
 854                         "used together.\n");
 855                 return 1;
 856         }
 857
 858         if (opt.outputfile && opt.send_stdout) {
 859                 fprintf(stderr, "The -o and -O options can not be "
 860                         "used together.\n");
 861                 return 1;
 862         }
 863
 864         popt_burn_cmdline_password(argc, argv);
 865
 866         if (smbc_init(get_auth_data, opt.debuglevel) < 0) {
 867                 fprintf(stderr, "Unable to initialize libsmbclient\n");
 868                 return 1;
 869         }
 870
 871         if (smb_encrypt) {
 872                 SMBCCTX *smb_ctx = smbc_set_context(NULL);
 873                 smbc_option_set(smb_ctx,
 874                                 discard_const_p(char, "smb_encrypt_level"),
 875                                 "require");
 876         }
 877
 878         columns = get_num_cols();
 879
 880         total_start_time = time_mono(NULL);
 881
 882         while ((file = poptGetArg(pc))) {
 883                 if (!recursive) {
 884                         ret = smb_download_file(file, "", recursive, resume,
 885                                                 true, opt.outputfile);
 886                 } else {
 887                         ret = smb_download_dir(file, "", resume);
 888                 }
 889         }
 890
 891         TALLOC_FREE(frame);
 892         if (ret) {
 893                 clean_exit();
 894         }
 895         return ret?0:1;
 896 }