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