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