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