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