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 "popt_common.h"
  21 #include "libsmbclient.h"
  22
  23 #if _FILE_OFFSET_BITS==64
  24 #define OFF_T_FORMAT "%lld"
  25 #define OFF_T_FORMAT_CAST long long
  26 #else
  27 #define OFF_T_FORMAT "%ld"
  28 #define OFF_T_FORMAT_CAST long
  29 #endif
  30
  31 static int columns = 0;
  32
  33 static int debuglevel, update;
  34 static char *outputfile;
  35
  36
  37 static time_t total_start_time = 0;
  38 static off_t total_bytes = 0;
  39
  40 #define SMB_MAXPATHLEN MAXPATHLEN
  41
  42 /* Number of bytes to read when checking whether local and remote file are really the same file */
  43 #define RESUME_CHECK_SIZE                               512
  44 #define RESUME_DOWNLOAD_OFFSET                  1024
  45 #define RESUME_CHECK_OFFSET                             RESUME_DOWNLOAD_OFFSET+RESUME_CHECK_SIZE
  46 /* Number of bytes to read at once */
  47 #define SMB_DEFAULT_BLOCKSIZE                                   64000
  48
  49 static const char *username = NULL, *password = NULL, *workgroup = NULL;
  50 static int nonprompt = 0, quiet = 0, dots = 0, keep_permissions = 0, verbose = 0, send_stdout = 0;
  51 static int blocksize = SMB_DEFAULT_BLOCKSIZE;
  52
  53 static int smb_download_file(const char *base, const char *name, int recursive,
  54                              int resume, int toplevel, char *outfile);
  55
  56 static int get_num_cols(void)
  57 {
  58 #ifdef TIOCGWINSZ
  59         struct winsize ws;
  60         if(ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0) {
  61                 return 0;
  62         }
  63         return ws.ws_col;
  64 #else
  65 #warning No support for TIOCGWINSZ
  66         char *cols = getenv("COLUMNS");
  67         if(!cols) return 0;
  68         return atoi(cols);
  69 #endif
  70 }
  71
  72 static void change_columns(int sig)
  73 {
  74         columns = get_num_cols();
  75 }
  76
  77 static void human_readable(off_t s, char *buffer, int l)
  78 {
  79         if(s > 1024 * 1024 * 1024) snprintf(buffer, l, "%.2fGb", 1.0 * s / (1024 * 1024 * 1024));
  80         else if(s > 1024 * 1024) snprintf(buffer, l, "%.2fMb", 1.0 * s / (1024 * 1024));
  81         else if(s > 1024) snprintf(buffer, l, "%.2fkb", 1.0 * s / 1024);
  82         else snprintf(buffer, l, OFF_T_FORMAT"b", (OFF_T_FORMAT_CAST)s);
  83 }
  84
  85 static void get_auth_data(const char *srv, const char *shr, char *wg, int wglen, char *un, int unlen, char *pw, int pwlen)
  86 {
  87         static char hasasked = 0;
  88         char *wgtmp, *usertmp;
  89         char tmp[128];
  90
  91         if(hasasked) return;
  92         hasasked = 1;
  93
  94         if(!nonprompt && !username) {
  95                 printf("Username for %s at %s [guest] ", shr, srv);
  96                 if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
  97                         return;
  98                 }
  99                 if ((strlen(tmp) > 0) && (tmp[strlen(tmp)-1] == '\n')) {
 100                         tmp[strlen(tmp)-1] = '\0';
 101                 }
 102                 strncpy(un, tmp, unlen-1);
 103         } else if(username) strncpy(un, username, unlen-1);
 104
 105         if(!nonprompt && !password) {
 106                 char *prompt, *pass;
 107                 if (asprintf(&prompt, "Password for %s at %s: ", shr, srv) == -1) {
 108                         return;
 109                 }
 110                 pass = getpass(prompt);
 111                 free(prompt);
 112                 strncpy(pw, pass, pwlen-1);
 113         } else if(password) strncpy(pw, password, pwlen-1);
 114
 115         if(workgroup)strncpy(wg, workgroup, wglen-1);
 116
 117         wgtmp = SMB_STRNDUP(wg, wglen);
 118         usertmp = SMB_STRNDUP(un, unlen);
 119         if(!quiet)printf("Using workgroup %s, %s%s\n", wgtmp, *usertmp?"user ":"guest user", usertmp);
 120         free(wgtmp); free(usertmp);
 121 }
 122
 123 /* Return 1 on error, 0 on success. */
 124
 125 static int smb_download_dir(const char *base, const char *name, int resume)
 126 {
 127         char path[SMB_MAXPATHLEN];
 128         int dirhandle;
 129         struct smbc_dirent *dirent;
 130         const char *relname = name;
 131         char *tmpname;
 132         struct stat remotestat;
 133         int ret = 0;
 134
 135         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (base[0] && name[0] && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
 136
 137         /* List files in directory and call smb_download_file on them */
 138         dirhandle = smbc_opendir(path);
 139         if(dirhandle < 1) {
 140                 if (errno == ENOTDIR) {
 141                         return smb_download_file(base, name, 1, resume,
 142                                                  0, NULL);
 143                 }
 144                 fprintf(stderr, "Can't open directory %s: %s\n", path, strerror(errno));
 145                 return 1;
 146         }
 147
 148         while(*relname == '/')relname++;
 149         mkdir(relname, 0755);
 150
 151         tmpname = SMB_STRDUP(name);
 152
 153         while((dirent = smbc_readdir(dirhandle))) {
 154                 char *newname;
 155                 if(!strcmp(dirent->name, ".") || !strcmp(dirent->name, ".."))continue;
 156                 if (asprintf(&newname, "%s/%s", tmpname, dirent->name) == -1) {
 157                         return 1;
 158                 }
 159                 switch(dirent->smbc_type) {
 160                 case SMBC_DIR:
 161                         ret = smb_download_dir(base, newname, resume);
 162                         break;
 163
 164                 case SMBC_WORKGROUP:
 165                         ret = smb_download_dir("smb://", dirent->name, resume);
 166                         break;
 167
 168                 case SMBC_SERVER:
 169                         ret = smb_download_dir("smb://", dirent->name, resume);
 170                         break;
 171
 172                 case SMBC_FILE:
 173                         ret = smb_download_file(base, newname, 1, resume, 0,
 174                                                 NULL);
 175                         break;
 176
 177                 case SMBC_FILE_SHARE:
 178                         ret = smb_download_dir(base, newname, resume);
 179                         break;
 180
 181                 case SMBC_PRINTER_SHARE:
 182                         if(!quiet)printf("Ignoring printer share %s\n", dirent->name);
 183                         break;
 184
 185                 case SMBC_COMMS_SHARE:
 186                         if(!quiet)printf("Ignoring comms share %s\n", dirent->name);
 187                         break;
 188
 189                 case SMBC_IPC_SHARE:
 190                         if(!quiet)printf("Ignoring ipc$ share %s\n", dirent->name);
 191                         break;
 192
 193                 default:
 194                         fprintf(stderr, "Ignoring file '%s' of type '%d'\n", newname, dirent->smbc_type);
 195                         break;
 196                 }
 197                 free(newname);
 198         }
 199         free(tmpname);
 200
 201         if(keep_permissions) {
 202                 if(smbc_fstat(dirhandle, &remotestat) < 0) {
 203                         fprintf(stderr, "Unable to get stats on %s on remote server\n", path);
 204                         smbc_closedir(dirhandle);
 205                         return 1;
 206                 }
 207
 208                 if(chmod(relname, remotestat.st_mode) < 0) {
 209                         fprintf(stderr, "Unable to change mode of local dir %s to %o\n", relname,
 210                                 (unsigned int)remotestat.st_mode);
 211                         smbc_closedir(dirhandle);
 212                         return 1;
 213                 }
 214         }
 215
 216         smbc_closedir(dirhandle);
 217         return ret;
 218 }
 219
 220 static char *print_time(long t)
 221 {
 222         static char buffer[100];
 223         int secs, mins, hours;
 224         if(t < -1) {
 225                 strncpy(buffer, "Unknown", sizeof(buffer));
 226                 return buffer;
 227         }
 228
 229         secs = (int)t % 60;
 230         mins = (int)t / 60 % 60;
 231         hours = (int)t / (60 * 60);
 232         snprintf(buffer, sizeof(buffer)-1, "%02d:%02d:%02d", hours, mins, secs);
 233         return buffer;
 234 }
 235
 236 static void print_progress(const char *name, time_t start, time_t now, off_t start_pos, off_t pos, off_t total)
 237 {
 238         double avg = 0.0;
 239         long  eta = -1;
 240         double prcnt = 0.0;
 241         char hpos[20], htotal[20], havg[20];
 242         char *status, *filename;
 243         int len;
 244         if(now - start)avg = 1.0 * (pos - start_pos) / (now - start);
 245         eta = (total - pos) / avg;
 246         if(total)prcnt = 100.0 * pos / total;
 247
 248         human_readable(pos, hpos, sizeof(hpos));
 249         human_readable(total, htotal, sizeof(htotal));
 250         human_readable(avg, havg, sizeof(havg));
 251
 252         len = asprintf(&status, "%s of %s (%.2f%%) at %s/s ETA: %s", hpos, htotal, prcnt, havg, print_time(eta));
 253         if (len == -1) {
 254                 return;
 255         }
 256
 257         if(columns) {
 258                 int required = strlen(name), available = columns - len - strlen("[] ");
 259                 if(required > available) {
 260                         if (asprintf(&filename, "...%s", name + required - available + 3) == -1) {
 261                                 return;
 262                         }
 263                 } else {
 264                         filename = SMB_STRNDUP(name, available);
 265                 }
 266         } else filename = SMB_STRDUP(name);
 267
 268         fprintf(stderr, "\r[%s] %s", filename, status);
 269
 270         free(filename); free(status);
 271 }
 272
 273 /* Return 1 on error, 0 on success. */
 274
 275 static int smb_download_file(const char *base, const char *name, int recursive,
 276                              int resume, int toplevel, char *outfile)
 277 {
 278         int remotehandle, localhandle;
 279         time_t start_time = time_mono(NULL);
 280         const char *newpath;
 281         char path[SMB_MAXPATHLEN];
 282         char checkbuf[2][RESUME_CHECK_SIZE];
 283         char *readbuf = NULL;
 284         off_t offset_download = 0, offset_check = 0, curpos = 0, start_offset = 0;
 285         struct stat localstat, remotestat;
 286
 287         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (*base && *name && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
 288
 289         remotehandle = smbc_open(path, O_RDONLY, 0755);
 290
 291         if(remotehandle < 0) {
 292                 switch(errno) {
 293                 case EISDIR:
 294                         if(!recursive) {
 295                                 fprintf(stderr, "%s is a directory. Specify -R to download recursively\n", path);
 296                                 return 1;
 297                         }
 298                         return smb_download_dir(base, name, resume);
 299
 300                 case ENOENT:
 301                         fprintf(stderr, "%s can't be found on the remote server\n", path);
 302                         return 1;
 303
 304                 case ENOMEM:
 305                         fprintf(stderr, "Not enough memory\n");
 306                         return 1;
 307
 308                 case ENODEV:
 309                         fprintf(stderr, "The share name used in %s does not exist\n", path);
 310                         return 1;
 311
 312                 case EACCES:
 313                         fprintf(stderr, "You don't have enough permissions to access %s\n", path);
 314                         return 1;
 315
 316                 default:
 317                         perror("smbc_open");
 318                         return 1;
 319                 }
 320         }
 321
 322         if(smbc_fstat(remotehandle, &remotestat) < 0) {
 323                 fprintf(stderr, "Can't stat %s: %s\n", path, strerror(errno));
 324                 return 1;
 325         }
 326
 327         if(outfile) newpath = outfile;
 328         else if(!name[0]) {
 329                 newpath = strrchr(base, '/');
 330                 if(newpath)newpath++; else newpath = base;
 331         } else newpath = name;
 332
 333         if (!toplevel && (newpath[0] == '/')) {
 334                 newpath++;
 335         }
 336
 337         /* Open local file according to the mode */
 338         if(update) {
 339                 /* if it is up-to-date, skip */
 340                 if(stat(newpath, &localstat) == 0 &&
 341                                 localstat.st_mtime >= remotestat.st_mtime) {
 342                         if(verbose)
 343                                 printf("%s is up-to-date, skipping\n", newpath);
 344                         smbc_close(remotehandle);
 345                         return 0;
 346                 }
 347                 /* else open it for writing and truncate if it exists */
 348                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | O_TRUNC, 0775);
 349                 if(localhandle < 0) {
 350                         fprintf(stderr, "Can't open %s : %s\n", newpath,
 351                                         strerror(errno));
 352                         smbc_close(remotehandle);
 353                         return 1;
 354                 }
 355                 /* no offset */
 356         } else if(!send_stdout) {
 357                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | (!resume?O_EXCL:0), 0755);
 358                 if(localhandle < 0) {
 359                         fprintf(stderr, "Can't open %s: %s\n", newpath, strerror(errno));
 360                         smbc_close(remotehandle);
 361                         return 1;
 362                 }
 363
 364                 if (fstat(localhandle, &localstat) != 0) {
 365                         fprintf(stderr, "Can't fstat %s: %s\n", newpath, strerror(errno));
 366                         smbc_close(remotehandle);
 367                         close(localhandle);
 368                         return 1;
 369                 }
 370
 371                 start_offset = localstat.st_size;
 372
 373                 if(localstat.st_size && localstat.st_size == remotestat.st_size) {
 374                         if(verbose)fprintf(stderr, "%s is already downloaded completely.\n", path);
 375                         else if(!quiet)fprintf(stderr, "%s\n", path);
 376                         smbc_close(remotehandle);
 377                         close(localhandle);
 378                         return 0;
 379                 }
 380
 381                 if(localstat.st_size > RESUME_CHECK_OFFSET && remotestat.st_size > RESUME_CHECK_OFFSET) {
 382                         offset_download = localstat.st_size - RESUME_DOWNLOAD_OFFSET;
 383                         offset_check = localstat.st_size - RESUME_CHECK_OFFSET;
 384                         if(verbose)printf("Trying to start resume of %s at "OFF_T_FORMAT"\n"
 385                                    "At the moment "OFF_T_FORMAT" of "OFF_T_FORMAT" bytes have been retrieved\n",
 386                                 newpath, (OFF_T_FORMAT_CAST)offset_check,
 387                                 (OFF_T_FORMAT_CAST)localstat.st_size,
 388                                 (OFF_T_FORMAT_CAST)remotestat.st_size);
 389                 }
 390
 391                 if(offset_check) {
 392                         off_t off1, off2;
 393                         /* First, check all bytes from offset_check to offset_download */
 394                         off1 = lseek(localhandle, offset_check, SEEK_SET);
 395                         if(off1 < 0) {
 396                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in local file %s\n",
 397                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
 398                                 smbc_close(remotehandle); close(localhandle);
 399                                 return 1;
 400                         }
 401
 402                         off2 = smbc_lseek(remotehandle, offset_check, SEEK_SET);
 403                         if(off2 < 0) {
 404                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in remote file %s\n",
 405                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
 406                                 smbc_close(remotehandle); close(localhandle);
 407                                 return 1;
 408                         }
 409
 410                         if(off1 != off2) {
 411                                 fprintf(stderr, "Offset in local and remote files is different (local: "OFF_T_FORMAT", remote: "OFF_T_FORMAT")\n",
 412                                         (OFF_T_FORMAT_CAST)off1,
 413                                         (OFF_T_FORMAT_CAST)off2);
 414                                 smbc_close(remotehandle); close(localhandle);
 415                                 return 1;
 416                         }
 417
 418                         if(smbc_read(remotehandle, checkbuf[0], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
 419                                 fprintf(stderr, "Can't read %d bytes from remote file %s\n", RESUME_CHECK_SIZE, path);
 420                                 smbc_close(remotehandle); close(localhandle);
 421                                 return 1;
 422                         }
 423
 424                         if(read(localhandle, checkbuf[1], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
 425                                 fprintf(stderr, "Can't read %d bytes from local file %s\n", RESUME_CHECK_SIZE, name);
 426                                 smbc_close(remotehandle); close(localhandle);
 427                                 return 1;
 428                         }
 429
 430                         if(memcmp(checkbuf[0], checkbuf[1], RESUME_CHECK_SIZE) == 0) {
 431                                 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);
 432                         } else {
 433                                 fprintf(stderr, "Local and remote file appear to be different, not doing resume for %s\n", path);
 434                                 smbc_close(remotehandle); close(localhandle);
 435                                 return 1;
 436                         }
 437                 }
 438         } else {
 439                 localhandle = STDOUT_FILENO;
 440                 start_offset = 0;
 441                 offset_download = 0;
 442                 offset_check = 0;
 443         }
 444
 445         readbuf = (char *)SMB_MALLOC(blocksize);
 446         if (!readbuf) {
 447                 return 1;
 448         }
 449
 450         /* Now, download all bytes from offset_download to the end */
 451         for(curpos = offset_download; curpos < remotestat.st_size; curpos+=blocksize) {
 452                 ssize_t bytesread = smbc_read(remotehandle, readbuf, blocksize);
 453                 if(bytesread < 0) {
 454                         fprintf(stderr, "Can't read %u bytes at offset "OFF_T_FORMAT", file %s\n", (unsigned int)blocksize, (OFF_T_FORMAT_CAST)curpos, path);
 455                         smbc_close(remotehandle);
 456                         if (localhandle != STDOUT_FILENO) close(localhandle);
 457                         free(readbuf);
 458                         return 1;
 459                 }
 460
 461                 total_bytes += bytesread;
 462
 463                 if(write(localhandle, readbuf, bytesread) < 0) {
 464                         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);
 465                         free(readbuf);
 466                         smbc_close(remotehandle);
 467                         if (localhandle != STDOUT_FILENO) close(localhandle);
 468                         return 1;
 469                 }
 470
 471                 if(dots)fputc('.', stderr);
 472                 else if(!quiet) {
 473                         print_progress(newpath, start_time, time_mono(NULL),
 474                                         start_offset, curpos, remotestat.st_size);
 475                 }
 476         }
 477
 478         free(readbuf);
 479
 480         if(dots){
 481                 fputc('\n', stderr);
 482                 printf("%s downloaded\n", path);
 483         } else if(!quiet) {
 484                 int i;
 485                 fprintf(stderr, "\r%s", path);
 486                 if(columns) {
 487                         for(i = strlen(path); i < columns; i++) {
 488                                 fputc(' ', stderr);
 489                         }
 490                 }
 491                 fputc('\n', stderr);
 492         }
 493
 494         if(keep_permissions && !send_stdout) {
 495                 if(fchmod(localhandle, remotestat.st_mode) < 0) {
 496                         fprintf(stderr, "Unable to change mode of local file %s to %o\n", path,
 497                                 (unsigned int)remotestat.st_mode);
 498                         smbc_close(remotehandle);
 499                         close(localhandle);
 500                         return 1;
 501                 }
 502         }
 503
 504         smbc_close(remotehandle);
 505         if (localhandle != STDOUT_FILENO) close(localhandle);
 506         return 0;
 507 }
 508
 509 static void clean_exit(void)
 510 {
 511         char bs[100];
 512         human_readable(total_bytes, bs, sizeof(bs));
 513         if(!quiet)fprintf(stderr, "Downloaded %s in %lu seconds\n", bs,
 514                 (unsigned long)(time_mono(NULL) - total_start_time));
 515         exit(0);
 516 }
 517
 518 static void signal_quit(int v)
 519 {
 520         clean_exit();
 521 }
 522
 523 static int readrcfile(const char *name, const struct poptOption long_options[])
 524 {
 525         FILE *fd = fopen(name, "r");
 526         int lineno = 0, i;
 527         char var[101], val[101];
 528         char found;
 529         int *intdata; char **stringdata;
 530         if(!fd) {
 531                 fprintf(stderr, "Can't open RC file %s\n", name);
 532                 return 1;
 533         }
 534
 535         while(!feof(fd)) {
 536                 lineno++;
 537                 if(fscanf(fd, "%100s %100s\n", var, val) < 2) {
 538                         fprintf(stderr, "Can't parse line %d of %s, ignoring.\n", lineno, name);
 539                         continue;
 540                 }
 541
 542                 found = 0;
 543
 544                 for(i = 0; long_options[i].shortName; i++) {
 545                         if(!long_options[i].longName)continue;
 546                         if(strcmp(long_options[i].longName, var)) continue;
 547                         if(!long_options[i].arg)continue;
 548
 549                         switch(long_options[i].argInfo) {
 550                         case POPT_ARG_NONE:
 551                                 intdata = (int *)long_options[i].arg;
 552                                 if(!strcmp(val, "on")) *intdata = 1;
 553                                 else if(!strcmp(val, "off")) *intdata = 0;
 554                                 else fprintf(stderr, "Illegal value %s for %s at line %d in %s\n", val, var, lineno, name);
 555                                 break;
 556                         case POPT_ARG_INT:
 557                                 intdata = (int *)long_options[i].arg;
 558                                 *intdata = atoi(val);
 559                                 break;
 560                         case POPT_ARG_STRING:
 561                                 stringdata = (char **)long_options[i].arg;
 562                                 *stringdata = SMB_STRDUP(val);
 563                                 break;
 564                         default:
 565                                 fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
 566                                 break;
 567                         }
 568
 569                         found = 1;
 570                 }
 571                 if(!found) {
 572                         fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
 573                 }
 574         }
 575
 576         fclose(fd);
 577         return 0;
 578 }
 579
 580 int main(int argc, const char **argv)
 581 {
 582         int c = 0;
 583         const char *file = NULL;
 584         char *rcfile = NULL;
 585         bool smb_encrypt = false;
 586         int resume = 0, recursive = 0;
 587         TALLOC_CTX *frame = talloc_stackframe();
 588         int ret = 0;
 589         struct poptOption long_options[] = {
 590                 {"guest", 'a', POPT_ARG_NONE, NULL, 'a', "Work as user guest" },
 591                 {"encrypt", 'e', POPT_ARG_NONE, NULL, 'e', "Encrypt SMB transport (UNIX extended servers only)" },
 592                 {"resume", 'r', POPT_ARG_NONE, &resume, 0, "Automatically resume aborted files" },
 593                 {"update", 'U',  POPT_ARG_NONE, &update, 0, "Download only when remote file is newer than local file or local file is missing"},
 594                 {"recursive", 'R',  POPT_ARG_NONE, &recursive, 0, "Recursively download files" },
 595                 {"username", 'u', POPT_ARG_STRING, &username, 'u', "Username to use" },
 596                 {"password", 'p', POPT_ARG_STRING, &password, 'p', "Password to use" },
 597                 {"workgroup", 'w', POPT_ARG_STRING, &workgroup, 'w', "Workgroup to use (optional)" },
 598                 {"nonprompt", 'n', POPT_ARG_NONE, &nonprompt, 'n', "Don't ask anything (non-interactive)" },
 599                 {"debuglevel", 'd', POPT_ARG_INT, &debuglevel, 'd', "Debuglevel to use" },
 600                 {"outputfile", 'o', POPT_ARG_STRING, &outputfile, 'o', "Write downloaded data to specified file" },
 601                 {"stdout", 'O', POPT_ARG_NONE, &send_stdout, 'O', "Write data to stdout" },
 602                 {"dots", 'D', POPT_ARG_NONE, &dots, 'D', "Show dots as progress indication" },
 603                 {"quiet", 'q', POPT_ARG_NONE, &quiet, 'q', "Be quiet" },
 604                 {"verbose", 'v', POPT_ARG_NONE, &verbose, 'v', "Be verbose" },
 605                 {"keep-permissions", 'P', POPT_ARG_NONE, &keep_permissions, 'P', "Keep permissions" },
 606                 {"blocksize", 'b', POPT_ARG_INT, &blocksize, 'b', "Change number of bytes in a block"},
 607                 {"rcfile", 'f', POPT_ARG_STRING, NULL, 'f', "Use specified rc file"},
 608                 POPT_AUTOHELP
 609                 POPT_TABLEEND
 610         };
 611         poptContext pc;
 612
 613         load_case_tables();
 614
 615         /* only read rcfile if it exists */
 616         if (asprintf(&rcfile, "%s/.smbgetrc", getenv("HOME")) == -1) {
 617                 return 1;
 618         }
 619         if(access(rcfile, F_OK) == 0)
 620                 readrcfile(rcfile, long_options);
 621         free(rcfile);
 622
 623 #ifdef SIGWINCH
 624         signal(SIGWINCH, change_columns);
 625 #endif
 626         signal(SIGINT, signal_quit);
 627         signal(SIGTERM, signal_quit);
 628
 629         pc = poptGetContext(argv[0], argc, argv, long_options, 0);
 630
 631         while((c = poptGetNextOpt(pc)) >= 0) {
 632                 switch(c) {
 633                 case 'f':
 634                         readrcfile(poptGetOptArg(pc), long_options);
 635                         break;
 636                 case 'a':
 637                         username = ""; password = "";
 638                         break;
 639                 case 'e':
 640                         smb_encrypt = true;
 641                         break;
 642                 }
 643         }
 644
 645         if((send_stdout || resume || outputfile) && update) {
 646                 fprintf(stderr, "The -o, -R or -O and -U options can not be used together.\n");
 647                 return 1;
 648         }
 649         if((send_stdout || outputfile) && recursive) {
 650                 fprintf(stderr, "The -o or -O and -R options can not be used together.\n");
 651                 return 1;
 652         }
 653
 654         if(outputfile && send_stdout) {
 655                 fprintf(stderr, "The -o and -O options cannot be used together.\n");
 656                 return 1;
 657         }
 658
 659         if(smbc_init(get_auth_data, debuglevel) < 0) {
 660                 fprintf(stderr, "Unable to initialize libsmbclient\n");
 661                 return 1;
 662         }
 663
 664         if (smb_encrypt) {
 665                 SMBCCTX *smb_ctx = smbc_set_context(NULL);
 666                 smbc_option_set(smb_ctx,
 667                         CONST_DISCARD(char *, "smb_encrypt_level"),
 668                         "require");
 669         }
 670
 671         columns = get_num_cols();
 672
 673         total_start_time = time_mono(NULL);
 674
 675         while ( (file = poptGetArg(pc)) ) {
 676                 if (!recursive)
 677                         ret = smb_download_file(file, "", recursive, resume,
 678                                                 1, outputfile);
 679                 else
 680                         ret = smb_download_dir(file, "", resume);
 681         }
 682
 683         TALLOC_FREE(frame);
 684         if ( ret == 0){
 685                 clean_exit();
 686         }
 687         return ret;
 688 }