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                         free(tmpname);
 163                         return 1;
 164                 }
 165                 switch(dirent->smbc_type) {
 166                 case SMBC_DIR:
 167                         ret = smb_download_dir(base, newname, resume);
 168                         break;
 169
 170                 case SMBC_WORKGROUP:
 171                         ret = smb_download_dir("smb://", dirent->name, resume);
 172                         break;
 173
 174                 case SMBC_SERVER:
 175                         ret = smb_download_dir("smb://", dirent->name, resume);
 176                         break;
 177
 178                 case SMBC_FILE:
 179                         ret = smb_download_file(base, newname, 1, resume, 0,
 180                                                 NULL);
 181                         break;
 182
 183                 case SMBC_FILE_SHARE:
 184                         ret = smb_download_dir(base, newname, resume);
 185                         break;
 186
 187                 case SMBC_PRINTER_SHARE:
 188                         if(!quiet)printf("Ignoring printer share %s\n", dirent->name);
 189                         break;
 190
 191                 case SMBC_COMMS_SHARE:
 192                         if(!quiet)printf("Ignoring comms share %s\n", dirent->name);
 193                         break;
 194
 195                 case SMBC_IPC_SHARE:
 196                         if(!quiet)printf("Ignoring ipc$ share %s\n", dirent->name);
 197                         break;
 198
 199                 default:
 200                         fprintf(stderr, "Ignoring file '%s' of type '%d'\n", newname, dirent->smbc_type);
 201                         break;
 202                 }
 203                 free(newname);
 204         }
 205         free(tmpname);
 206
 207         if(keep_permissions) {
 208                 if(smbc_fstat(dirhandle, &remotestat) < 0) {
 209                         fprintf(stderr, "Unable to get stats on %s on remote server\n", path);
 210                         smbc_closedir(dirhandle);
 211                         return 1;
 212                 }
 213
 214                 if(chmod(relname, remotestat.st_mode) < 0) {
 215                         fprintf(stderr, "Unable to change mode of local dir %s to %o\n", relname,
 216                                 (unsigned int)remotestat.st_mode);
 217                         smbc_closedir(dirhandle);
 218                         return 1;
 219                 }
 220         }
 221
 222         smbc_closedir(dirhandle);
 223         return ret;
 224 }
 225
 226 static char *print_time(long t)
 227 {
 228         static char buffer[100];
 229         int secs, mins, hours;
 230         if(t < -1) {
 231                 strncpy(buffer, "Unknown", sizeof(buffer));
 232                 return buffer;
 233         }
 234
 235         secs = (int)t % 60;
 236         mins = (int)t / 60 % 60;
 237         hours = (int)t / (60 * 60);
 238         snprintf(buffer, sizeof(buffer)-1, "%02d:%02d:%02d", hours, mins, secs);
 239         return buffer;
 240 }
 241
 242 static void print_progress(const char *name, time_t start, time_t now, off_t start_pos, off_t pos, off_t total)
 243 {
 244         double avg = 0.0;
 245         long  eta = -1;
 246         double prcnt = 0.0;
 247         char hpos[20], htotal[20], havg[20];
 248         char *status, *filename;
 249         int len;
 250         if(now - start)avg = 1.0 * (pos - start_pos) / (now - start);
 251         eta = (total - pos) / avg;
 252         if(total)prcnt = 100.0 * pos / total;
 253
 254         human_readable(pos, hpos, sizeof(hpos));
 255         human_readable(total, htotal, sizeof(htotal));
 256         human_readable(avg, havg, sizeof(havg));
 257
 258         len = asprintf(&status, "%s of %s (%.2f%%) at %s/s ETA: %s", hpos, htotal, prcnt, havg, print_time(eta));
 259         if (len == -1) {
 260                 return;
 261         }
 262
 263         if(columns) {
 264                 int required = strlen(name), available = columns - len - strlen("[] ");
 265                 if(required > available) {
 266                         if (asprintf(&filename, "...%s", name + required - available + 3) == -1) {
 267                                 return;
 268                         }
 269                 } else {
 270                         filename = SMB_STRNDUP(name, available);
 271                 }
 272         } else filename = SMB_STRDUP(name);
 273
 274         fprintf(stderr, "\r[%s] %s", filename, status);
 275
 276         free(filename); free(status);
 277 }
 278
 279 /* Return 1 on error, 0 on success. */
 280
 281 static int smb_download_file(const char *base, const char *name, int recursive,
 282                              int resume, int toplevel, char *outfile)
 283 {
 284         int remotehandle, localhandle;
 285         time_t start_time = time_mono(NULL);
 286         const char *newpath;
 287         char path[SMB_MAXPATHLEN];
 288         char checkbuf[2][RESUME_CHECK_SIZE];
 289         char *readbuf = NULL;
 290         off_t offset_download = 0, offset_check = 0, curpos = 0, start_offset = 0;
 291         struct stat localstat, remotestat;
 292
 293         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (*base && *name && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
 294
 295         remotehandle = smbc_open(path, O_RDONLY, 0755);
 296
 297         if(remotehandle < 0) {
 298                 switch(errno) {
 299                 case EISDIR:
 300                         if(!recursive) {
 301                                 fprintf(stderr, "%s is a directory. Specify -R to download recursively\n", path);
 302                                 return 1;
 303                         }
 304                         return smb_download_dir(base, name, resume);
 305
 306                 case ENOENT:
 307                         fprintf(stderr, "%s can't be found on the remote server\n", path);
 308                         return 1;
 309
 310                 case ENOMEM:
 311                         fprintf(stderr, "Not enough memory\n");
 312                         return 1;
 313
 314                 case ENODEV:
 315                         fprintf(stderr, "The share name used in %s does not exist\n", path);
 316                         return 1;
 317
 318                 case EACCES:
 319                         fprintf(stderr, "You don't have enough permissions to access %s\n", path);
 320                         return 1;
 321
 322                 default:
 323                         perror("smbc_open");
 324                         return 1;
 325                 }
 326         }
 327
 328         if(smbc_fstat(remotehandle, &remotestat) < 0) {
 329                 fprintf(stderr, "Can't stat %s: %s\n", path, strerror(errno));
 330                 return 1;
 331         }
 332
 333         if(outfile) newpath = outfile;
 334         else if(!name[0]) {
 335                 newpath = strrchr(base, '/');
 336                 if(newpath)newpath++; else newpath = base;
 337         } else newpath = name;
 338
 339         if (!toplevel && (newpath[0] == '/')) {
 340                 newpath++;
 341         }
 342
 343         /* Open local file according to the mode */
 344         if(update) {
 345                 /* if it is up-to-date, skip */
 346                 if(stat(newpath, &localstat) == 0 &&
 347                                 localstat.st_mtime >= remotestat.st_mtime) {
 348                         if(verbose)
 349                                 printf("%s is up-to-date, skipping\n", newpath);
 350                         smbc_close(remotehandle);
 351                         return 0;
 352                 }
 353                 /* else open it for writing and truncate if it exists */
 354                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | O_TRUNC, 0775);
 355                 if(localhandle < 0) {
 356                         fprintf(stderr, "Can't open %s : %s\n", newpath,
 357                                         strerror(errno));
 358                         smbc_close(remotehandle);
 359                         return 1;
 360                 }
 361                 /* no offset */
 362         } else if(!send_stdout) {
 363                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | (!resume?O_EXCL:0), 0755);
 364                 if(localhandle < 0) {
 365                         fprintf(stderr, "Can't open %s: %s\n", newpath, strerror(errno));
 366                         smbc_close(remotehandle);
 367                         return 1;
 368                 }
 369
 370                 if (fstat(localhandle, &localstat) != 0) {
 371                         fprintf(stderr, "Can't fstat %s: %s\n", newpath, strerror(errno));
 372                         smbc_close(remotehandle);
 373                         close(localhandle);
 374                         return 1;
 375                 }
 376
 377                 start_offset = localstat.st_size;
 378
 379                 if(localstat.st_size && localstat.st_size == remotestat.st_size) {
 380                         if(verbose)fprintf(stderr, "%s is already downloaded completely.\n", path);
 381                         else if(!quiet)fprintf(stderr, "%s\n", path);
 382                         smbc_close(remotehandle);
 383                         close(localhandle);
 384                         return 0;
 385                 }
 386
 387                 if(localstat.st_size > RESUME_CHECK_OFFSET && remotestat.st_size > RESUME_CHECK_OFFSET) {
 388                         offset_download = localstat.st_size - RESUME_DOWNLOAD_OFFSET;
 389                         offset_check = localstat.st_size - RESUME_CHECK_OFFSET;
 390                         if(verbose)printf("Trying to start resume of %s at "OFF_T_FORMAT"\n"
 391                                    "At the moment "OFF_T_FORMAT" of "OFF_T_FORMAT" bytes have been retrieved\n",
 392                                 newpath, (OFF_T_FORMAT_CAST)offset_check,
 393                                 (OFF_T_FORMAT_CAST)localstat.st_size,
 394                                 (OFF_T_FORMAT_CAST)remotestat.st_size);
 395                 }
 396
 397                 if(offset_check) {
 398                         off_t off1, off2;
 399                         /* First, check all bytes from offset_check to offset_download */
 400                         off1 = lseek(localhandle, offset_check, SEEK_SET);
 401                         if(off1 < 0) {
 402                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in local file %s\n",
 403                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
 404                                 smbc_close(remotehandle); close(localhandle);
 405                                 return 1;
 406                         }
 407
 408                         off2 = smbc_lseek(remotehandle, offset_check, SEEK_SET);
 409                         if(off2 < 0) {
 410                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in remote file %s\n",
 411                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
 412                                 smbc_close(remotehandle); close(localhandle);
 413                                 return 1;
 414                         }
 415
 416                         if(off1 != off2) {
 417                                 fprintf(stderr, "Offset in local and remote files is different (local: "OFF_T_FORMAT", remote: "OFF_T_FORMAT")\n",
 418                                         (OFF_T_FORMAT_CAST)off1,
 419                                         (OFF_T_FORMAT_CAST)off2);
 420                                 smbc_close(remotehandle); close(localhandle);
 421                                 return 1;
 422                         }
 423
 424                         if(smbc_read(remotehandle, checkbuf[0], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
 425                                 fprintf(stderr, "Can't read %d bytes from remote file %s\n", RESUME_CHECK_SIZE, path);
 426                                 smbc_close(remotehandle); close(localhandle);
 427                                 return 1;
 428                         }
 429
 430                         if(read(localhandle, checkbuf[1], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
 431                                 fprintf(stderr, "Can't read %d bytes from local file %s\n", RESUME_CHECK_SIZE, name);
 432                                 smbc_close(remotehandle); close(localhandle);
 433                                 return 1;
 434                         }
 435
 436                         if(memcmp(checkbuf[0], checkbuf[1], RESUME_CHECK_SIZE) == 0) {
 437                                 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);
 438                         } else {
 439                                 fprintf(stderr, "Local and remote file appear to be different, not doing resume for %s\n", path);
 440                                 smbc_close(remotehandle); close(localhandle);
 441                                 return 1;
 442                         }
 443                 }
 444         } else {
 445                 localhandle = STDOUT_FILENO;
 446                 start_offset = 0;
 447                 offset_download = 0;
 448                 offset_check = 0;
 449         }
 450
 451         readbuf = (char *)SMB_MALLOC(blocksize);
 452         if (!readbuf) {
 453                 if (localhandle != STDOUT_FILENO) {
 454                         close(localhandle);
 455                 }
 456                 return 1;
 457         }
 458
 459         /* Now, download all bytes from offset_download to the end */
 460         for(curpos = offset_download; curpos < remotestat.st_size; curpos+=blocksize) {
 461                 ssize_t bytesread = smbc_read(remotehandle, readbuf, blocksize);
 462                 if(bytesread < 0) {
 463                         fprintf(stderr, "Can't read %u bytes at offset "OFF_T_FORMAT", file %s\n", (unsigned int)blocksize, (OFF_T_FORMAT_CAST)curpos, path);
 464                         smbc_close(remotehandle);
 465                         if (localhandle != STDOUT_FILENO) close(localhandle);
 466                         free(readbuf);
 467                         return 1;
 468                 }
 469
 470                 total_bytes += bytesread;
 471
 472                 if(write(localhandle, readbuf, bytesread) < 0) {
 473                         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);
 474                         free(readbuf);
 475                         smbc_close(remotehandle);
 476                         if (localhandle != STDOUT_FILENO) close(localhandle);
 477                         return 1;
 478                 }
 479
 480                 if(dots)fputc('.', stderr);
 481                 else if(!quiet) {
 482                         print_progress(newpath, start_time, time_mono(NULL),
 483                                         start_offset, curpos, remotestat.st_size);
 484                 }
 485         }
 486
 487         free(readbuf);
 488
 489         if(dots){
 490                 fputc('\n', stderr);
 491                 printf("%s downloaded\n", path);
 492         } else if(!quiet) {
 493                 int i;
 494                 fprintf(stderr, "\r%s", path);
 495                 if(columns) {
 496                         for(i = strlen(path); i < columns; i++) {
 497                                 fputc(' ', stderr);
 498                         }
 499                 }
 500                 fputc('\n', stderr);
 501         }
 502
 503         if(keep_permissions && !send_stdout) {
 504                 if(fchmod(localhandle, remotestat.st_mode) < 0) {
 505                         fprintf(stderr, "Unable to change mode of local file %s to %o\n", path,
 506                                 (unsigned int)remotestat.st_mode);
 507                         smbc_close(remotehandle);
 508                         close(localhandle);
 509                         return 1;
 510                 }
 511         }
 512
 513         smbc_close(remotehandle);
 514         if (localhandle != STDOUT_FILENO) close(localhandle);
 515         return 0;
 516 }
 517
 518 static void clean_exit(void)
 519 {
 520         char bs[100];
 521         human_readable(total_bytes, bs, sizeof(bs));
 522         if(!quiet)fprintf(stderr, "Downloaded %s in %lu seconds\n", bs,
 523                 (unsigned long)(time_mono(NULL) - total_start_time));
 524         exit(0);
 525 }
 526
 527 static void signal_quit(int v)
 528 {
 529         clean_exit();
 530 }
 531
 532 static int readrcfile(const char *name, const struct poptOption long_options[])
 533 {
 534         FILE *fd = fopen(name, "r");
 535         int lineno = 0, i;
 536         char var[101], val[101];
 537         char found;
 538         int *intdata; char **stringdata;
 539         if(!fd) {
 540                 fprintf(stderr, "Can't open RC file %s\n", name);
 541                 return 1;
 542         }
 543
 544         while(!feof(fd)) {
 545                 lineno++;
 546                 if(fscanf(fd, "%100s %100s\n", var, val) < 2) {
 547                         fprintf(stderr, "Can't parse line %d of %s, ignoring.\n", lineno, name);
 548                         continue;
 549                 }
 550
 551                 found = 0;
 552
 553                 for(i = 0; long_options[i].shortName; i++) {
 554                         if(!long_options[i].longName)continue;
 555                         if(strcmp(long_options[i].longName, var)) continue;
 556                         if(!long_options[i].arg)continue;
 557
 558                         switch(long_options[i].argInfo) {
 559                         case POPT_ARG_NONE:
 560                                 intdata = (int *)long_options[i].arg;
 561                                 if(!strcmp(val, "on")) *intdata = 1;
 562                                 else if(!strcmp(val, "off")) *intdata = 0;
 563                                 else fprintf(stderr, "Illegal value %s for %s at line %d in %s\n", val, var, lineno, name);
 564                                 break;
 565                         case POPT_ARG_INT:
 566                                 intdata = (int *)long_options[i].arg;
 567                                 *intdata = atoi(val);
 568                                 break;
 569                         case POPT_ARG_STRING:
 570                                 stringdata = (char **)long_options[i].arg;
 571                                 *stringdata = SMB_STRDUP(val);
 572                                 break;
 573                         default:
 574                                 fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
 575                                 break;
 576                         }
 577
 578                         found = 1;
 579                 }
 580                 if(!found) {
 581                         fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
 582                 }
 583         }
 584
 585         fclose(fd);
 586         return 0;
 587 }
 588
 589 int main(int argc, const char **argv)
 590 {
 591         int c = 0;
 592         const char *file = NULL;
 593         char *rcfile = NULL;
 594         bool smb_encrypt = false;
 595         int resume = 0, recursive = 0;
 596         TALLOC_CTX *frame = talloc_stackframe();
 597         int ret = 0;
 598         struct poptOption long_options[] = {
 599                 {"guest", 'a', POPT_ARG_NONE, NULL, 'a', "Work as user guest" },
 600                 {"encrypt", 'e', POPT_ARG_NONE, NULL, 'e', "Encrypt SMB transport (UNIX extended servers only)" },
 601                 {"resume", 'r', POPT_ARG_NONE, &resume, 0, "Automatically resume aborted files" },
 602                 {"update", 'U',  POPT_ARG_NONE, &update, 0, "Download only when remote file is newer than local file or local file is missing"},
 603                 {"recursive", 'R',  POPT_ARG_NONE, &recursive, 0, "Recursively download files" },
 604                 {"username", 'u', POPT_ARG_STRING, &username, 'u', "Username to use" },
 605                 {"password", 'p', POPT_ARG_STRING, &password, 'p', "Password to use" },
 606                 {"workgroup", 'w', POPT_ARG_STRING, &workgroup, 'w', "Workgroup to use (optional)" },
 607                 {"nonprompt", 'n', POPT_ARG_NONE, &nonprompt, 'n', "Don't ask anything (non-interactive)" },
 608                 {"debuglevel", 'd', POPT_ARG_INT, &debuglevel, 'd', "Debuglevel to use" },
 609                 {"outputfile", 'o', POPT_ARG_STRING, &outputfile, 'o', "Write downloaded data to specified file" },
 610                 {"stdout", 'O', POPT_ARG_NONE, &send_stdout, 'O', "Write data to stdout" },
 611                 {"dots", 'D', POPT_ARG_NONE, &dots, 'D', "Show dots as progress indication" },
 612                 {"quiet", 'q', POPT_ARG_NONE, &quiet, 'q', "Be quiet" },
 613                 {"verbose", 'v', POPT_ARG_NONE, &verbose, 'v', "Be verbose" },
 614                 {"keep-permissions", 'P', POPT_ARG_NONE, &keep_permissions, 'P', "Keep permissions" },
 615                 {"blocksize", 'b', POPT_ARG_INT, &blocksize, 'b', "Change number of bytes in a block"},
 616                 {"rcfile", 'f', POPT_ARG_STRING, NULL, 'f', "Use specified rc file"},
 617                 POPT_AUTOHELP
 618                 POPT_TABLEEND
 619         };
 620         poptContext pc;
 621
 622         smb_init_locale();
 623
 624         /* only read rcfile if it exists */
 625         if (asprintf(&rcfile, "%s/.smbgetrc", getenv("HOME")) == -1) {
 626                 return 1;
 627         }
 628         if(access(rcfile, F_OK) == 0)
 629                 readrcfile(rcfile, long_options);
 630         free(rcfile);
 631
 632 #ifdef SIGWINCH
 633         signal(SIGWINCH, change_columns);
 634 #endif
 635         signal(SIGINT, signal_quit);
 636         signal(SIGTERM, signal_quit);
 637
 638         pc = poptGetContext(argv[0], argc, argv, long_options, 0);
 639
 640         while((c = poptGetNextOpt(pc)) >= 0) {
 641                 switch(c) {
 642                 case 'f':
 643                         readrcfile(poptGetOptArg(pc), long_options);
 644                         break;
 645                 case 'a':
 646                         username = ""; password = "";
 647                         break;
 648                 case 'e':
 649                         smb_encrypt = true;
 650                         break;
 651                 }
 652         }
 653
 654         if((send_stdout || resume || outputfile) && update) {
 655                 fprintf(stderr, "The -o, -R or -O and -U options can not be used together.\n");
 656                 return 1;
 657         }
 658         if((send_stdout || outputfile) && recursive) {
 659                 fprintf(stderr, "The -o or -O and -R options can not be used together.\n");
 660                 return 1;
 661         }
 662
 663         if(outputfile && send_stdout) {
 664                 fprintf(stderr, "The -o and -O options cannot be used together.\n");
 665                 return 1;
 666         }
 667
 668         if(smbc_init(get_auth_data, debuglevel) < 0) {
 669                 fprintf(stderr, "Unable to initialize libsmbclient\n");
 670                 return 1;
 671         }
 672
 673         if (smb_encrypt) {
 674                 SMBCCTX *smb_ctx = smbc_set_context(NULL);
 675                 smbc_option_set(smb_ctx,
 676                         discard_const_p(char, "smb_encrypt_level"),
 677                         "require");
 678         }
 679
 680         columns = get_num_cols();
 681
 682         total_start_time = time_mono(NULL);
 683
 684         while ( (file = poptGetArg(pc)) ) {
 685                 if (!recursive)
 686                         ret = smb_download_file(file, "", recursive, resume,
 687                                                 1, outputfile);
 688                 else
 689                         ret = smb_download_dir(file, "", resume);
 690         }
 691
 692         TALLOC_FREE(frame);
 693         if ( ret == 0){
 694                 clean_exit();
 695         }
 696         return ret;
 697 }