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