source3/utils/smbget.c

   1 /*
   2    smbget: a wget-like utility with support for recursive downloading and
   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 #if _FILE_OFFSET_BITS==64
  25 #define OFF_T_FORMAT "%lld"
  26 #define OFF_T_FORMAT_CAST long long
  27 #else
  28 #define OFF_T_FORMAT "%ld"
  29 #define OFF_T_FORMAT_CAST long
  30 #endif
  31
  32 static int columns = 0;
  33
  34 static int debuglevel, update;
  35 static char *outputfile;
  36
  37
  38 static time_t total_start_time = 0;
  39 static off_t total_bytes = 0;
  40
  41 #define SMB_MAXPATHLEN MAXPATHLEN
  42
  43 /* Number of bytes to read when checking whether local and remote file are really the same file */
  44 #define RESUME_CHECK_SIZE                               512
  45 #define RESUME_DOWNLOAD_OFFSET                  1024
  46 #define RESUME_CHECK_OFFSET                             RESUME_DOWNLOAD_OFFSET+RESUME_CHECK_SIZE
  47 /* Number of bytes to read at once */
  48 #define SMB_DEFAULT_BLOCKSIZE                                   64000
  49
  50 static const char *username = NULL, *password = NULL, *workgroup = NULL;
  51 static int nonprompt = 0, quiet = 0, dots = 0, keep_permissions = 0, verbose = 0, send_stdout = 0;
  52 static int blocksize = SMB_DEFAULT_BLOCKSIZE;
  53
  54 static int smb_download_file(const char *base, const char *name, int recursive,
  55                              int resume, int toplevel, char *outfile);
  56
  57 static int get_num_cols(void)
  58 {
  59 #ifdef TIOCGWINSZ
  60         struct winsize ws;
  61         if(ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0) {
  62                 return 0;
  63         }
  64         return ws.ws_col;
  65 #else
  66 #warning No support for TIOCGWINSZ
  67         char *cols = getenv("COLUMNS");
  68         if(!cols) return 0;
  69         return atoi(cols);
  70 #endif
  71 }
  72
  73 static void change_columns(int sig)
  74 {
  75         columns = get_num_cols();
  76 }
  77
  78 static void human_readable(off_t s, char *buffer, int l)
  79 {
  80         if (s > 1024 * 1024 * 1024) {
  81                 snprintf(buffer, l, "%.2fGB", 1.0 * s / (1024 * 1024 * 1024));
  82         } else if (s > 1024 * 1024) {
  83                 snprintf(buffer, l, "%.2fMB", 1.0 * s / (1024 * 1024));
  84         } else if (s > 1024) {
  85                 snprintf(buffer, l, "%.2fkB", 1.0 * s / 1024);
  86         } else {
  87                 snprintf(buffer, l, OFF_T_FORMAT"b", (OFF_T_FORMAT_CAST)s);
  88         }
  89 }
  90
  91 static void get_auth_data(const char *srv, const char *shr, char *wg, int wglen, char *un, int unlen, char *pw, int pwlen)
  92 {
  93         static char hasasked = 0;
  94         char *wgtmp, *usertmp;
  95         char tmp[128];
  96
  97         if(hasasked) return;
  98         hasasked = 1;
  99
 100         if(!nonprompt && !username) {
 101                 printf("Username for %s at %s [guest] ", shr, srv);
 102                 if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
 103                         return;
 104                 }
 105                 if ((strlen(tmp) > 0) && (tmp[strlen(tmp)-1] == '\n')) {
 106                         tmp[strlen(tmp)-1] = '\0';
 107                 }
 108                 strncpy(un, tmp, unlen-1);
 109         } else if(username) strncpy(un, username, unlen-1);
 110
 111         if(!nonprompt && !password) {
 112                 char *prompt;
 113                 if (asprintf(&prompt, "Password for %s at %s: ", shr, srv) == -1) {
 114                         return;
 115                 }
 116                 (void) samba_getpass(prompt, pw, pwlen, false, false);
 117                 free(prompt);
 118         } else if(password) strncpy(pw, password, pwlen-1);
 119
 120         if(workgroup)strncpy(wg, workgroup, wglen-1);
 121
 122         wgtmp = SMB_STRNDUP(wg, wglen);
 123         usertmp = SMB_STRNDUP(un, unlen);
 124         if(!quiet)printf("Using workgroup %s, %s%s\n", wgtmp, *usertmp?"user ":"guest user", usertmp);
 125         free(wgtmp); free(usertmp);
 126 }
 127
 128 /* Return 1 on error, 0 on success. */
 129
 130 static int smb_download_dir(const char *base, const char *name, int resume)
 131 {
 132         char path[SMB_MAXPATHLEN];
 133         int dirhandle;
 134         struct smbc_dirent *dirent;
 135         const char *relname = name;
 136         char *tmpname;
 137         struct stat remotestat;
 138         int ret = 0;
 139
 140         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (base[0] && name[0] && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
 141
 142         /* List files in directory and call smb_download_file on them */
 143         dirhandle = smbc_opendir(path);
 144         if(dirhandle < 1) {
 145                 if (errno == ENOTDIR) {
 146                         return smb_download_file(base, name, 1, resume,
 147                                                  0, NULL);
 148                 }
 149                 fprintf(stderr, "Can't open directory %s: %s\n", path, strerror(errno));
 150                 return 1;
 151         }
 152
 153         while(*relname == '/')relname++;
 154         mkdir(relname, 0755);
 155
 156         tmpname = SMB_STRDUP(name);
 157
 158         while((dirent = smbc_readdir(dirhandle))) {
 159                 char *newname;
 160                 if(!strcmp(dirent->name, ".") || !strcmp(dirent->name, ".."))continue;
 161                 if (asprintf(&newname, "%s/%s", tmpname, dirent->name) == -1) {
 162                         return 1;
 163                 }
 164                 switch(dirent->smbc_type) {
 165                 case SMBC_DIR:
 166                         ret = smb_download_dir(base, newname, resume);
 167                         break;
 168
 169                 case SMBC_WORKGROUP:
 170                         ret = smb_download_dir("smb://", dirent->name, resume);
 171                         break;
 172
 173                 case SMBC_SERVER:
 174                         ret = smb_download_dir("smb://", dirent->name, resume);
 175                         break;
 176
 177                 case SMBC_FILE:
 178                         ret = smb_download_file(base, newname, 1, resume, 0,
 179                                                 NULL);
 180                         break;
 181
 182                 case SMBC_FILE_SHARE:
 183                         ret = smb_download_dir(base, newname, resume);
 184                         break;
 185
 186                 case SMBC_PRINTER_SHARE:
 187                         if(!quiet)printf("Ignoring printer share %s\n", dirent->name);
 188                         break;
 189
 190                 case SMBC_COMMS_SHARE:
 191                         if(!quiet)printf("Ignoring comms share %s\n", dirent->name);
 192                         break;
 193
 194                 case SMBC_IPC_SHARE:
 195                         if(!quiet)printf("Ignoring ipc$ share %s\n", dirent->name);
 196                         break;
 197
 198                 default:
 199                         fprintf(stderr, "Ignoring file '%s' of type '%d'\n", newname, dirent->smbc_type);
 200                         break;
 201                 }
 202                 free(newname);
 203         }
 204         free(tmpname);
 205
 206         if(keep_permissions) {
 207                 if(smbc_fstat(dirhandle, &remotestat) < 0) {
 208                         fprintf(stderr, "Unable to get stats on %s on remote server\n", path);
 209                         smbc_closedir(dirhandle);
 210                         return 1;
 211                 }
 212
 213                 if(chmod(relname, remotestat.st_mode) < 0) {
 214                         fprintf(stderr, "Unable to change mode of local dir %s to %o\n", relname,
 215                                 (unsigned int)remotestat.st_mode);
 216                         smbc_closedir(dirhandle);
 217                         return 1;
 218                 }
 219         }
 220
 221         smbc_closedir(dirhandle);
 222         return ret;
 223 }
 224
 225 static char *print_time(long t)
 226 {
 227         static char buffer[100];
 228         int secs, mins, hours;
 229         if(t < -1) {
 230                 strncpy(buffer, "Unknown", sizeof(buffer));
 231                 return buffer;
 232         }
 233
 234         secs = (int)t % 60;
 235         mins = (int)t / 60 % 60;
 236         hours = (int)t / (60 * 60);
 237         snprintf(buffer, sizeof(buffer)-1, "%02d:%02d:%02d", hours, mins, secs);
 238         return buffer;
 239 }
 240
 241 static void print_progress(const char *name, time_t start, time_t now, off_t start_pos, off_t pos, off_t total)
 242 {
 243         double avg = 0.0;
 244         long  eta = -1;
 245         double prcnt = 0.0;
 246         char hpos[20], htotal[20], havg[20];
 247         char *status, *filename;
 248         int len;
 249         if(now - start)avg = 1.0 * (pos - start_pos) / (now - start);
 250         eta = (total - pos) / avg;
 251         if(total)prcnt = 100.0 * pos / total;
 252
 253         human_readable(pos, hpos, sizeof(hpos));
 254         human_readable(total, htotal, sizeof(htotal));
 255         human_readable(avg, havg, sizeof(havg));
 256
 257         len = asprintf(&status, "%s of %s (%.2f%%) at %s/s ETA: %s", hpos, htotal, prcnt, havg, print_time(eta));
 258         if (len == -1) {
 259                 return;
 260         }
 261
 262         if(columns) {
 263                 int required = strlen(name), available = columns - len - strlen("[] ");
 264                 if(required > available) {
 265                         if (asprintf(&filename, "...%s", name + required - available + 3) == -1) {
 266                                 return;
 267                         }
 268                 } else {
 269                         filename = SMB_STRNDUP(name, available);
 270                 }
 271         } else filename = SMB_STRDUP(name);
 272
 273         fprintf(stderr, "\r[%s] %s", filename, status);
 274
 275         free(filename); free(status);
 276 }
 277
 278 /* Return 1 on error, 0 on success. */
 279
 280 static int smb_download_file(const char *base, const char *name, int recursive,
 281                              int resume, int toplevel, char *outfile)
 282 {
 283         int remotehandle, localhandle;
 284         time_t start_time = time_mono(NULL);
 285         const char *newpath;
 286         char path[SMB_MAXPATHLEN];
 287         char checkbuf[2][RESUME_CHECK_SIZE];
 288         char *readbuf = NULL;
 289         off_t offset_download = 0, offset_check = 0, curpos = 0, start_offset = 0;
 290         struct stat localstat, remotestat;
 291
 292         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (*base && *name && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
 293
 294         remotehandle = smbc_open(path, O_RDONLY, 0755);
 295
 296         if(remotehandle < 0) {
 297                 switch(errno) {
 298                 case EISDIR:
 299                         if(!recursive) {
 300                                 fprintf(stderr, "%s is a directory. Specify -R to download recursively\n", path);
 301                                 return 1;
 302                         }
 303                         return smb_download_dir(base, name, resume);
 304
 305                 case ENOENT:
 306                         fprintf(stderr, "%s can't be found on the remote server\n", path);
 307                         return 1;
 308
 309                 case ENOMEM:
 310                         fprintf(stderr, "Not enough memory\n");
 311                         return 1;
 312
 313                 case ENODEV:
 314                         fprintf(stderr, "The share name used in %s does not exist\n", path);
 315                         return 1;
 316
 317                 case EACCES:
 318                         fprintf(stderr, "You don't have enough permissions to access %s\n", path);
 319                         return 1;
 320
 321                 default:
 322                         perror("smbc_open");
 323                         return 1;
 324                 }
 325         }
 326
 327         if(smbc_fstat(remotehandle, &remotestat) < 0) {
 328                 fprintf(stderr, "Can't stat %s: %s\n", path, strerror(errno));
 329                 return 1;
 330         }
 331
 332         if(outfile) newpath = outfile;
 333         else if(!name[0]) {
 334                 newpath = strrchr(base, '/');
 335                 if(newpath)newpath++; else newpath = base;
 336         } else newpath = name;
 337
 338         if (!toplevel && (newpath[0] == '/')) {
 339                 newpath++;
 340         }
 341
 342         /* Open local file according to the mode */
 343         if(update) {
 344                 /* if it is up-to-date, skip */
 345                 if(stat(newpath, &localstat) == 0 &&
 346                                 localstat.st_mtime >= remotestat.st_mtime) {
 347                         if(verbose)
 348                                 printf("%s is up-to-date, skipping\n", newpath);
 349                         smbc_close(remotehandle);
 350                         return 0;
 351                 }
 352                 /* else open it for writing and truncate if it exists */
 353                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | O_TRUNC, 0775);
 354                 if(localhandle < 0) {
 355                         fprintf(stderr, "Can't open %s : %s\n", newpath,
 356                                         strerror(errno));
 357                         smbc_close(remotehandle);
 358                         return 1;
 359                 }
 360                 /* no offset */
 361         } else if(!send_stdout) {
 362                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | (!resume?O_EXCL:0), 0755);
 363                 if(localhandle < 0) {
 364                         fprintf(stderr, "Can't open %s: %s\n", newpath, strerror(errno));
 365                         smbc_close(remotehandle);
 366                         return 1;
 367                 }
 368
 369                 if (fstat(localhandle, &localstat) != 0) {
 370                         fprintf(stderr, "Can't fstat %s: %s\n", newpath, strerror(errno));
 371                         smbc_close(remotehandle);
 372                         close(localhandle);
 373                         return 1;
 374                 }
 375
 376                 start_offset = localstat.st_size;
 377
 378                 if(localstat.st_size && localstat.st_size == remotestat.st_size) {
 379                         if(verbose)fprintf(stderr, "%s is already downloaded completely.\n", path);
 380                         else if(!quiet)fprintf(stderr, "%s\n", path);
 381                         smbc_close(remotehandle);
 382                         close(localhandle);
 383                         return 0;
 384                 }
 385
 386                 if(localstat.st_size > RESUME_CHECK_OFFSET && remotestat.st_size > RESUME_CHECK_OFFSET) {
 387                         offset_download = localstat.st_size - RESUME_DOWNLOAD_OFFSET;
 388                         offset_check = localstat.st_size - RESUME_CHECK_OFFSET;
 389                         if(verbose)printf("Trying to start resume of %s at "OFF_T_FORMAT"\n"
 390                                    "At the moment "OFF_T_FORMAT" of "OFF_T_FORMAT" bytes have been retrieved\n",
 391                                 newpath, (OFF_T_FORMAT_CAST)offset_check,
 392                                 (OFF_T_FORMAT_CAST)localstat.st_size,
 393                                 (OFF_T_FORMAT_CAST)remotestat.st_size);
 394                 }
 395
 396                 if(offset_check) {
 397                         off_t off1, off2;
 398                         /* First, check all bytes from offset_check to offset_download */
 399                         off1 = lseek(localhandle, offset_check, SEEK_SET);
 400                         if(off1 < 0) {
 401                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in local file %s\n",
 402                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
 403                                 smbc_close(remotehandle); close(localhandle);
 404                                 return 1;
 405                         }
 406
 407                         off2 = smbc_lseek(remotehandle, offset_check, SEEK_SET);
 408                         if(off2 < 0) {
 409                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in remote file %s\n",
 410                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
 411                                 smbc_close(remotehandle); close(localhandle);
 412                                 return 1;
 413                         }
 414
 415                         if(off1 != off2) {
 416                                 fprintf(stderr, "Offset in local and remote files is different (local: "OFF_T_FORMAT", remote: "OFF_T_FORMAT")\n",
 417                                         (OFF_T_FORMAT_CAST)off1,
 418                                         (OFF_T_FORMAT_CAST)off2);
 419                                 smbc_close(remotehandle); close(localhandle);
 420                                 return 1;
 421                         }
 422
 423                         if(smbc_read(remotehandle, checkbuf[0], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
 424                                 fprintf(stderr, "Can't read %d bytes from remote file %s\n", RESUME_CHECK_SIZE, path);
 425                                 smbc_close(remotehandle); close(localhandle);
 426                                 return 1;
 427                         }
 428
 429                         if(read(localhandle, checkbuf[1], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
 430                                 fprintf(stderr, "Can't read %d bytes from local file %s\n", RESUME_CHECK_SIZE, name);
 431                                 smbc_close(remotehandle); close(localhandle);
 432                                 return 1;
 433                         }
 434
 435                         if(memcmp(checkbuf[0], checkbuf[1], RESUME_CHECK_SIZE) == 0) {
 436                                 if(verbose)printf("Current local and remote file appear to be the same. Starting download from offset "OFF_T_FORMAT"\n", (OFF_T_FORMAT_CAST)offset_download);
 437                         } else {
 438                                 fprintf(stderr, "Local and remote file appear to be different, not doing resume for %s\n", path);
 439                                 smbc_close(remotehandle); close(localhandle);
 440                                 return 1;
 441                         }
 442                 }
 443         } else {
 444                 localhandle = STDOUT_FILENO;
 445                 start_offset = 0;
 446                 offset_download = 0;
 447                 offset_check = 0;
 448         }
 449
 450         readbuf = (char *)SMB_MALLOC(blocksize);
 451         if (!readbuf) {
 452                 if (localhandle != STDOUT_FILENO) {
 453                         close(localhandle);
 454                 }
 455                 return 1;
 456         }
 457
 458         /* Now, download all bytes from offset_download to the end */
 459         for(curpos = offset_download; curpos < remotestat.st_size; curpos+=blocksize) {
 460                 ssize_t bytesread = smbc_read(remotehandle, readbuf, blocksize);
 461                 if(bytesread < 0) {
 462                         fprintf(stderr, "Can't read %u bytes at offset "OFF_T_FORMAT", file %s\n", (unsigned int)blocksize, (OFF_T_FORMAT_CAST)curpos, path);
 463                         smbc_close(remotehandle);
 464                         if (localhandle != STDOUT_FILENO) close(localhandle);
 465                         free(readbuf);
 466                         return 1;
 467                 }
 468
 469                 total_bytes += bytesread;
 470
 471                 if(write(localhandle, readbuf, bytesread) < 0) {
 472                         fprintf(stderr, "Can't write %u bytes to local file %s at offset "OFF_T_FORMAT"\n", (unsigned int)bytesread, path, (OFF_T_FORMAT_CAST)curpos);
 473                         free(readbuf);
 474                         smbc_close(remotehandle);
 475                         if (localhandle != STDOUT_FILENO) close(localhandle);
 476                         return 1;
 477                 }
 478
 479                 if(dots)fputc('.', stderr);
 480                 else if(!quiet) {
 481                         print_progress(newpath, start_time, time_mono(NULL),
 482                                         start_offset, curpos, remotestat.st_size);
 483                 }
 484         }
 485
 486         free(readbuf);
 487
 488         if(dots){
 489                 fputc('\n', stderr);
 490                 printf("%s downloaded\n", path);
 491         } else if(!quiet) {
 492                 int i;
 493                 fprintf(stderr, "\r%s", path);
 494                 if(columns) {
 495                         for(i = strlen(path); i < columns; i++) {
 496                                 fputc(' ', stderr);
 497                         }
 498                 }
 499                 fputc('\n', stderr);
 500         }
 501
 502         if(keep_permissions && !send_stdout) {
 503                 if(fchmod(localhandle, remotestat.st_mode) < 0) {
 504                         fprintf(stderr, "Unable to change mode of local file %s to %o\n", path,
 505                                 (unsigned int)remotestat.st_mode);
 506                         smbc_close(remotehandle);
 507                         close(localhandle);
 508                         return 1;
 509                 }
 510         }
 511
 512         smbc_close(remotehandle);
 513         if (localhandle != STDOUT_FILENO) close(localhandle);
 514         return 0;
 515 }
 516
 517 static void clean_exit(void)
 518 {
 519         char bs[100];
 520         human_readable(total_bytes, bs, sizeof(bs));
 521         if(!quiet)fprintf(stderr, "Downloaded %s in %lu seconds\n", bs,
 522                 (unsigned long)(time_mono(NULL) - total_start_time));
 523         exit(0);
 524 }
 525
 526 static void signal_quit(int v)
 527 {
 528         clean_exit();
 529 }
 530
 531 static int readrcfile(const char *name, const struct poptOption long_options[])
 532 {
 533         FILE *fd = fopen(name, "r");
 534         int lineno = 0, i;
 535         char var[101], val[101];
 536         char found;
 537         int *intdata; char **stringdata;
 538         if(!fd) {
 539                 fprintf(stderr, "Can't open RC file %s\n", name);
 540                 return 1;
 541         }
 542
 543         while(!feof(fd)) {
 544                 lineno++;
 545                 if(fscanf(fd, "%100s %100s\n", var, val) < 2) {
 546                         fprintf(stderr, "Can't parse line %d of %s, ignoring.\n", lineno, name);
 547                         continue;
 548                 }
 549
 550                 found = 0;
 551
 552                 for(i = 0; long_options[i].shortName; i++) {
 553                         if(!long_options[i].longName)continue;
 554                         if(strcmp(long_options[i].longName, var)) continue;
 555                         if(!long_options[i].arg)continue;
 556
 557                         switch(long_options[i].argInfo) {
 558                         case POPT_ARG_NONE:
 559                                 intdata = (int *)long_options[i].arg;
 560                                 if(!strcmp(val, "on")) *intdata = 1;
 561                                 else if(!strcmp(val, "off")) *intdata = 0;
 562                                 else fprintf(stderr, "Illegal value %s for %s at line %d in %s\n", val, var, lineno, name);
 563                                 break;
 564                         case POPT_ARG_INT:
 565                                 intdata = (int *)long_options[i].arg;
 566                                 *intdata = atoi(val);
 567                                 break;
 568                         case POPT_ARG_STRING:
 569                                 stringdata = (char **)long_options[i].arg;
 570                                 *stringdata = SMB_STRDUP(val);
 571                                 break;
 572                         default:
 573                                 fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
 574                                 break;
 575                         }
 576
 577                         found = 1;
 578                 }
 579                 if(!found) {
 580                         fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
 581                 }
 582         }
 583
 584         fclose(fd);
 585         return 0;
 586 }
 587
 588 int main(int argc, const char **argv)
 589 {
 590         int c = 0;
 591         const char *file = NULL;
 592         char *rcfile = NULL;
 593         bool smb_encrypt = false;
 594         int resume = 0, recursive = 0;
 595         TALLOC_CTX *frame = talloc_stackframe();
 596         int ret = 0;
 597         struct poptOption long_options[] = {
 598                 {"guest", 'a', POPT_ARG_NONE, NULL, 'a', "Work as user guest" },
 599                 {"encrypt", 'e', POPT_ARG_NONE, NULL, 'e', "Encrypt SMB transport (UNIX extended servers only)" },
 600                 {"resume", 'r', POPT_ARG_NONE, &resume, 0, "Automatically resume aborted files" },
 601                 {"update", 'U',  POPT_ARG_NONE, &update, 0, "Download only when remote file is newer than local file or local file is missing"},
 602                 {"recursive", 'R',  POPT_ARG_NONE, &recursive, 0, "Recursively download files" },
 603                 {"username", 'u', POPT_ARG_STRING, &username, 'u', "Username to use" },
 604                 {"password", 'p', POPT_ARG_STRING, &password, 'p', "Password to use" },
 605                 {"workgroup", 'w', POPT_ARG_STRING, &workgroup, 'w', "Workgroup to use (optional)" },
 606                 {"nonprompt", 'n', POPT_ARG_NONE, &nonprompt, 'n', "Don't ask anything (non-interactive)" },
 607                 {"debuglevel", 'd', POPT_ARG_INT, &debuglevel, 'd', "Debuglevel to use" },
 608                 {"outputfile", 'o', POPT_ARG_STRING, &outputfile, 'o', "Write downloaded data to specified file" },
 609                 {"stdout", 'O', POPT_ARG_NONE, &send_stdout, 'O', "Write data to stdout" },
 610                 {"dots", 'D', POPT_ARG_NONE, &dots, 'D', "Show dots as progress indication" },
 611                 {"quiet", 'q', POPT_ARG_NONE, &quiet, 'q', "Be quiet" },
 612                 {"verbose", 'v', POPT_ARG_NONE, &verbose, 'v', "Be verbose" },
 613                 {"keep-permissions", 'P', POPT_ARG_NONE, &keep_permissions, 'P', "Keep permissions" },
 614                 {"blocksize", 'b', POPT_ARG_INT, &blocksize, 'b', "Change number of bytes in a block"},
 615                 {"rcfile", 'f', POPT_ARG_STRING, NULL, 'f', "Use specified rc file"},
 616                 POPT_AUTOHELP
 617                 POPT_TABLEEND
 618         };
 619         poptContext pc;
 620
 621         load_case_tables();
 622
 623         /* only read rcfile if it exists */
 624         if (asprintf(&rcfile, "%s/.smbgetrc", getenv("HOME")) == -1) {
 625                 return 1;
 626         }
 627         if(access(rcfile, F_OK) == 0)
 628                 readrcfile(rcfile, long_options);
 629         free(rcfile);
 630
 631 #ifdef SIGWINCH
 632         signal(SIGWINCH, change_columns);
 633 #endif
 634         signal(SIGINT, signal_quit);
 635         signal(SIGTERM, signal_quit);
 636
 637         pc = poptGetContext(argv[0], argc, argv, long_options, 0);
 638
 639         while((c = poptGetNextOpt(pc)) >= 0) {
 640                 switch(c) {
 641                 case 'f':
 642                         readrcfile(poptGetOptArg(pc), long_options);
 643                         break;
 644                 case 'a':
 645                         username = ""; password = "";
 646                         break;
 647                 case 'e':
 648                         smb_encrypt = true;
 649                         break;
 650                 }
 651         }
 652
 653         if((send_stdout || resume || outputfile) && update) {
 654                 fprintf(stderr, "The -o, -R or -O and -U options can not be used together.\n");
 655                 return 1;
 656         }
 657         if((send_stdout || outputfile) && recursive) {
 658                 fprintf(stderr, "The -o or -O and -R options can not be used together.\n");
 659                 return 1;
 660         }
 661
 662         if(outputfile && send_stdout) {
 663                 fprintf(stderr, "The -o and -O options cannot be used together.\n");
 664                 return 1;
 665         }
 666
 667         if(smbc_init(get_auth_data, debuglevel) < 0) {
 668                 fprintf(stderr, "Unable to initialize libsmbclient\n");
 669                 return 1;
 670         }
 671
 672         if (smb_encrypt) {
 673                 SMBCCTX *smb_ctx = smbc_set_context(NULL);
 674                 smbc_option_set(smb_ctx,
 675                         discard_const_p(char, "smb_encrypt_level"),
 676                         "require");
 677         }
 678
 679         columns = get_num_cols();
 680
 681         total_start_time = time_mono(NULL);
 682
 683         while ( (file = poptGetArg(pc)) ) {
 684                 if (!recursive)
 685                         ret = smb_download_file(file, "", recursive, resume,
 686                                                 1, outputfile);
 687                 else
 688                         ret = smb_download_dir(file, "", resume);
 689         }
 690
 691         TALLOC_FREE(frame);
 692         if ( ret == 0){
 693                 clean_exit();
 694         }
 695         return ret;
 696 }