Fix bug #7069 - smbget does not return an error status after some errors
[ira/wip.git] / 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 /* Return 1 on error, 0 on success. */
122
123 static int smb_download_dir(const char *base, const char *name, int resume)
124 {
125         char path[SMB_MAXPATHLEN];
126         int dirhandle;
127         struct smbc_dirent *dirent;
128         const char *relname = name;
129         char *tmpname;
130         struct stat remotestat;
131         int ret = 0;
132
133         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (base[0] && name[0] && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
134
135         /* List files in directory and call smb_download_file on them */
136         dirhandle = smbc_opendir(path);
137         if(dirhandle < 1) {
138                 if(errno == ENOTDIR) return smb_download_file(base, name, 1, resume, NULL);
139                 fprintf(stderr, "Can't open directory %s: %s\n", path, strerror(errno));
140                 return 1;
141         }
142
143         while(*relname == '/')relname++;
144         mkdir(relname, 0755);
145         
146         tmpname = SMB_STRDUP(name);
147
148         while((dirent = smbc_readdir(dirhandle))) {
149                 char *newname;
150                 if(!strcmp(dirent->name, ".") || !strcmp(dirent->name, ".."))continue;
151                 if (asprintf(&newname, "%s/%s", tmpname, dirent->name) == -1) {
152                         return 1;
153                 }
154                 switch(dirent->smbc_type) {
155                 case SMBC_DIR:
156                         ret = smb_download_dir(base, newname, resume);
157                         break;
158
159                 case SMBC_WORKGROUP:
160                         ret = smb_download_dir("smb://", dirent->name, resume);
161                         break;
162
163                 case SMBC_SERVER:
164                         ret = smb_download_dir("smb://", dirent->name, resume);
165                         break;
166
167                 case SMBC_FILE:
168                         ret = smb_download_file(base, newname, 1, resume, NULL);
169                         break;
170
171                 case SMBC_FILE_SHARE:
172                         ret = smb_download_dir(base, newname, resume);
173                         break;
174
175                 case SMBC_PRINTER_SHARE:
176                         if(!quiet)printf("Ignoring printer share %s\n", dirent->name);
177                         break;
178
179                 case SMBC_COMMS_SHARE:
180                         if(!quiet)printf("Ignoring comms share %s\n", dirent->name);
181                         break;
182                         
183                 case SMBC_IPC_SHARE:
184                         if(!quiet)printf("Ignoring ipc$ share %s\n", dirent->name);
185                         break;
186
187                 default:
188                         fprintf(stderr, "Ignoring file '%s' of type '%d'\n", newname, dirent->smbc_type);
189                         break;
190                 }
191                 free(newname);
192         }
193         free(tmpname);
194
195         if(keep_permissions) {
196                 if(smbc_fstat(dirhandle, &remotestat) < 0) {
197                         fprintf(stderr, "Unable to get stats on %s on remote server\n", path);
198                         smbc_closedir(dirhandle);
199                         return 1;
200                 }
201                 
202                 if(chmod(relname, remotestat.st_mode) < 0) {
203                         fprintf(stderr, "Unable to change mode of local dir %s to %o\n", relname,
204                                 (unsigned int)remotestat.st_mode);
205                         smbc_closedir(dirhandle);
206                         return 1;
207                 }
208         }
209
210         smbc_closedir(dirhandle);
211         return ret;
212 }
213
214 static char *print_time(long t)
215 {
216         static char buffer[100];
217         int secs, mins, hours;
218         if(t < -1) {
219                 strncpy(buffer, "Unknown", sizeof(buffer));
220                 return buffer;
221         }
222
223         secs = (int)t % 60;
224         mins = (int)t / 60 % 60;
225         hours = (int)t / (60 * 60);
226         snprintf(buffer, sizeof(buffer)-1, "%02d:%02d:%02d", hours, mins, secs);
227         return buffer;
228 }
229
230 static void print_progress(const char *name, time_t start, time_t now, off_t start_pos, off_t pos, off_t total)
231 {
232         double avg = 0.0;
233         long  eta = -1; 
234         double prcnt = 0.0;
235         char hpos[20], htotal[20], havg[20];
236         char *status, *filename;
237         int len;
238         if(now - start)avg = 1.0 * (pos - start_pos) / (now - start);
239         eta = (total - pos) / avg;
240         if(total)prcnt = 100.0 * pos / total;
241
242         human_readable(pos, hpos, sizeof(hpos));
243         human_readable(total, htotal, sizeof(htotal));
244         human_readable(avg, havg, sizeof(havg));
245
246         len = asprintf(&status, "%s of %s (%.2f%%) at %s/s ETA: %s", hpos, htotal, prcnt, havg, print_time(eta));
247         if (len == -1) {
248                 return;
249         }
250         
251         if(columns) {
252                 int required = strlen(name), available = columns - len - strlen("[] ");
253                 if(required > available) {
254                         if (asprintf(&filename, "...%s", name + required - available + 3) == -1) {
255                                 return;
256                         }
257                 } else {
258                         filename = SMB_STRNDUP(name, available);
259                 }
260         } else filename = SMB_STRDUP(name);
261
262         fprintf(stderr, "\r[%s] %s", filename, status);
263
264         free(filename); free(status);
265 }
266
267 /* Return 1 on error, 0 on success. */
268
269 static int smb_download_file(const char *base, const char *name, int recursive, int resume, char *outfile) {
270         int remotehandle, localhandle;
271         time_t start_time = time(NULL);
272         const char *newpath;
273         char path[SMB_MAXPATHLEN];
274         char checkbuf[2][RESUME_CHECK_SIZE];
275         char *readbuf = NULL;
276         off_t offset_download = 0, offset_check = 0, curpos = 0, start_offset = 0;
277         struct stat localstat, remotestat;
278
279         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (*base && *name && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
280         
281         remotehandle = smbc_open(path, O_RDONLY, 0755);
282
283         if(remotehandle < 0) {
284                 switch(errno) {
285                 case EISDIR: 
286                         if(!recursive) {
287                                 fprintf(stderr, "%s is a directory. Specify -R to download recursively\n", path);
288                                 return 1;
289                         }
290                         return smb_download_dir(base, name, resume);
291
292                 case ENOENT:
293                         fprintf(stderr, "%s can't be found on the remote server\n", path);
294                         return 1;
295
296                 case ENOMEM:
297                         fprintf(stderr, "Not enough memory\n");
298                         return 1;
299
300                 case ENODEV:
301                         fprintf(stderr, "The share name used in %s does not exist\n", path);
302                         return 1;
303
304                 case EACCES:
305                         fprintf(stderr, "You don't have enough permissions to access %s\n", path);
306                         return 1;
307
308                 default:
309                         perror("smbc_open");
310                         return 1;
311                 }
312         } 
313
314         if(smbc_fstat(remotehandle, &remotestat) < 0) {
315                 fprintf(stderr, "Can't stat %s: %s\n", path, strerror(errno));
316                 return 1;
317         }
318
319         if(outfile) newpath = outfile;
320         else if(!name[0]) {
321                 newpath = strrchr(base, '/');
322                 if(newpath)newpath++; else newpath = base;
323         } else newpath = name;
324
325         if(newpath[0] == '/')newpath++;
326         
327         /* Open local file according to the mode */
328         if(update) {
329                 /* if it is up-to-date, skip */
330                 if(stat(newpath, &localstat) == 0 &&
331                                 localstat.st_mtime >= remotestat.st_mtime) {
332                         if(verbose)
333                                 printf("%s is up-to-date, skipping\n", newpath);
334                         smbc_close(remotehandle);
335                         return 0;
336                 }
337                 /* else open it for writing and truncate if it exists */
338                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | O_TRUNC, 0775);
339                 if(localhandle < 0) {
340                         fprintf(stderr, "Can't open %s : %s\n", newpath,
341                                         strerror(errno));
342                         smbc_close(remotehandle);
343                         return 1;
344                 }
345                 /* no offset */
346         } else if(!send_stdout) {
347                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | (!resume?O_EXCL:0), 0755);
348                 if(localhandle < 0) {
349                         fprintf(stderr, "Can't open %s: %s\n", newpath, strerror(errno));
350                         smbc_close(remotehandle);
351                         return 1;
352                 }
353         
354                 if (fstat(localhandle, &localstat) != 0) {
355                         fprintf(stderr, "Can't fstat %s: %s\n", newpath, strerror(errno));
356                         smbc_close(remotehandle);
357                         close(localhandle);
358                         return 1;
359                 }
360
361                 start_offset = localstat.st_size;
362
363                 if(localstat.st_size && localstat.st_size == remotestat.st_size) {
364                         if(verbose)fprintf(stderr, "%s is already downloaded completely.\n", path);
365                         else if(!quiet)fprintf(stderr, "%s\n", path);
366                         smbc_close(remotehandle);
367                         close(localhandle);
368                         return 0;
369                 }
370
371                 if(localstat.st_size > RESUME_CHECK_OFFSET && remotestat.st_size > RESUME_CHECK_OFFSET) {
372                         offset_download = localstat.st_size - RESUME_DOWNLOAD_OFFSET;
373                         offset_check = localstat.st_size - RESUME_CHECK_OFFSET;
374                         if(verbose)printf("Trying to start resume of %s at "OFF_T_FORMAT"\n"
375                                    "At the moment "OFF_T_FORMAT" of "OFF_T_FORMAT" bytes have been retrieved\n",
376                                 newpath, (OFF_T_FORMAT_CAST)offset_check, 
377                                 (OFF_T_FORMAT_CAST)localstat.st_size,
378                                 (OFF_T_FORMAT_CAST)remotestat.st_size);
379                 }
380
381                 if(offset_check) { 
382                         off_t off1, off2;
383                         /* First, check all bytes from offset_check to offset_download */
384                         off1 = lseek(localhandle, offset_check, SEEK_SET);
385                         if(off1 < 0) {
386                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in local file %s\n",
387                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
388                                 smbc_close(remotehandle); close(localhandle);
389                                 return 1;
390                         }
391
392                         off2 = smbc_lseek(remotehandle, offset_check, SEEK_SET); 
393                         if(off2 < 0) {
394                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in remote file %s\n",
395                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
396                                 smbc_close(remotehandle); close(localhandle);
397                                 return 1;
398                         }
399
400                         if(off1 != off2) {
401                                 fprintf(stderr, "Offset in local and remote files is different (local: "OFF_T_FORMAT", remote: "OFF_T_FORMAT")\n",
402                                         (OFF_T_FORMAT_CAST)off1,
403                                         (OFF_T_FORMAT_CAST)off2);
404                                 return 1;
405                         }
406
407                         if(smbc_read(remotehandle, checkbuf[0], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
408                                 fprintf(stderr, "Can't read %d bytes from remote file %s\n", RESUME_CHECK_SIZE, path);
409                                 smbc_close(remotehandle); close(localhandle);
410                                 return 1;
411                         }
412
413                         if(read(localhandle, checkbuf[1], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
414                                 fprintf(stderr, "Can't read %d bytes from local file %s\n", RESUME_CHECK_SIZE, name);
415                                 smbc_close(remotehandle); close(localhandle);
416                                 return 1;
417                         }
418
419                         if(memcmp(checkbuf[0], checkbuf[1], RESUME_CHECK_SIZE) == 0) {
420                                 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);
421                         } else {
422                                 fprintf(stderr, "Local and remote file appear to be different, not doing resume for %s\n", path);
423                                 smbc_close(remotehandle); close(localhandle);
424                                 return 1;
425                         }
426                 }
427         } else {
428                 localhandle = STDOUT_FILENO;
429                 start_offset = 0;
430                 offset_download = 0;
431                 offset_check = 0;
432         }
433
434         readbuf = (char *)SMB_MALLOC(blocksize);
435
436         /* Now, download all bytes from offset_download to the end */
437         for(curpos = offset_download; curpos < remotestat.st_size; curpos+=blocksize) {
438                 ssize_t bytesread = smbc_read(remotehandle, readbuf, blocksize);
439                 if(bytesread < 0) {
440                         fprintf(stderr, "Can't read %u bytes at offset "OFF_T_FORMAT", file %s\n", (unsigned int)blocksize, (OFF_T_FORMAT_CAST)curpos, path);
441                         smbc_close(remotehandle);
442                         if (localhandle != STDOUT_FILENO) close(localhandle);
443                         free(readbuf);
444                         return 1;
445                 }
446
447                 total_bytes += bytesread;
448
449                 if(write(localhandle, readbuf, bytesread) < 0) {
450                         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);
451                         free(readbuf);
452                         smbc_close(remotehandle);
453                         if (localhandle != STDOUT_FILENO) close(localhandle);
454                         return 1;
455                 }
456
457                 if(dots)fputc('.', stderr);
458                 else if(!quiet) {
459                         print_progress(newpath, start_time, time(NULL), start_offset, curpos, remotestat.st_size);
460                 }
461         }
462
463         free(readbuf);
464
465         if(dots){
466                 fputc('\n', stderr);
467                 printf("%s downloaded\n", path);
468         } else if(!quiet) {
469                 int i;
470                 fprintf(stderr, "\r%s", path);
471                 if(columns) {
472                         for(i = strlen(path); i < columns; i++) {
473                                 fputc(' ', stderr);
474                         }
475                 }
476                 fputc('\n', stderr);
477         }
478
479         if(keep_permissions && !send_stdout) {
480                 if(fchmod(localhandle, remotestat.st_mode) < 0) {
481                         fprintf(stderr, "Unable to change mode of local file %s to %o\n", path,
482                                 (unsigned int)remotestat.st_mode);
483                         smbc_close(remotehandle);
484                         close(localhandle);
485                         return 1;
486                 }
487         }
488
489         smbc_close(remotehandle);
490         if (localhandle != STDOUT_FILENO) close(localhandle);
491         return 0;
492 }
493
494 static void clean_exit(void)
495 {
496         char bs[100];
497         human_readable(total_bytes, bs, sizeof(bs));
498         if(!quiet)fprintf(stderr, "Downloaded %s in %lu seconds\n", bs,
499                 (unsigned long)(time(NULL) - total_start_time));
500         exit(0);
501 }
502
503 static void signal_quit(int v)
504 {
505         clean_exit();
506 }
507
508 static int readrcfile(const char *name, const struct poptOption long_options[])
509 {
510         FILE *fd = fopen(name, "r");
511         int lineno = 0, i;
512         char var[101], val[101];
513         char found;
514         int *intdata; char **stringdata;
515         if(!fd) {
516                 fprintf(stderr, "Can't open RC file %s\n", name);
517                 return 1;
518         }
519
520         while(!feof(fd)) {
521                 lineno++;
522                 if(fscanf(fd, "%100s %100s\n", var, val) < 2) {
523                         fprintf(stderr, "Can't parse line %d of %s, ignoring.\n", lineno, name);
524                         continue;
525                 }
526
527                 found = 0;
528
529                 for(i = 0; long_options[i].shortName; i++) {
530                         if(!long_options[i].longName)continue;
531                         if(strcmp(long_options[i].longName, var)) continue;
532                         if(!long_options[i].arg)continue;
533
534                         switch(long_options[i].argInfo) {
535                         case POPT_ARG_NONE:
536                                 intdata = (int *)long_options[i].arg;
537                                 if(!strcmp(val, "on")) *intdata = 1;
538                                 else if(!strcmp(val, "off")) *intdata = 0;
539                                 else fprintf(stderr, "Illegal value %s for %s at line %d in %s\n", val, var, lineno, name);
540                                 break;
541                         case POPT_ARG_INT:
542                                 intdata = (int *)long_options[i].arg;
543                                 *intdata = atoi(val);
544                                 break;
545                         case POPT_ARG_STRING:
546                                 stringdata = (char **)long_options[i].arg;
547                                 *stringdata = SMB_STRDUP(val);
548                                 break;
549                         default:
550                                 fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
551                                 break;
552                         }
553
554                         found = 1;
555                 }
556                 if(!found) {
557                         fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
558                 }
559         }
560
561         fclose(fd);
562         return 0;
563 }
564
565 int main(int argc, const char **argv)
566 {
567         int c = 0;
568         const char *file = NULL;
569         char *rcfile = NULL;
570         bool smb_encrypt = false;
571         int resume = 0, recursive = 0;
572         TALLOC_CTX *frame = talloc_stackframe();
573         int ret = 0;
574         struct poptOption long_options[] = {
575                 {"guest", 'a', POPT_ARG_NONE, NULL, 'a', "Work as user guest" },        
576                 {"encrypt", 'e', POPT_ARG_NONE, NULL, 'e', "Encrypt SMB transport (UNIX extended servers only)" },      
577                 {"resume", 'r', POPT_ARG_NONE, &resume, 0, "Automatically resume aborted files" },
578                 {"update", 'U',  POPT_ARG_NONE, &update, 0, "Download only when remote file is newer than local file or local file is missing"},
579                 {"recursive", 'R',  POPT_ARG_NONE, &recursive, 0, "Recursively download files" },
580                 {"username", 'u', POPT_ARG_STRING, &username, 'u', "Username to use" },
581                 {"password", 'p', POPT_ARG_STRING, &password, 'p', "Password to use" },
582                 {"workgroup", 'w', POPT_ARG_STRING, &workgroup, 'w', "Workgroup to use (optional)" },
583                 {"nonprompt", 'n', POPT_ARG_NONE, &nonprompt, 'n', "Don't ask anything (non-interactive)" },
584                 {"debuglevel", 'd', POPT_ARG_INT, &debuglevel, 'd', "Debuglevel to use" },
585                 {"outputfile", 'o', POPT_ARG_STRING, &outputfile, 'o', "Write downloaded data to specified file" },
586                 {"stdout", 'O', POPT_ARG_NONE, &send_stdout, 'O', "Write data to stdout" },
587                 {"dots", 'D', POPT_ARG_NONE, &dots, 'D', "Show dots as progress indication" },
588                 {"quiet", 'q', POPT_ARG_NONE, &quiet, 'q', "Be quiet" },
589                 {"verbose", 'v', POPT_ARG_NONE, &verbose, 'v', "Be verbose" },
590                 {"keep-permissions", 'P', POPT_ARG_NONE, &keep_permissions, 'P', "Keep permissions" },
591                 {"blocksize", 'b', POPT_ARG_INT, &blocksize, 'b', "Change number of bytes in a block"},
592                 {"rcfile", 'f', POPT_ARG_STRING, NULL, 'f', "Use specified rc file"},
593                 POPT_AUTOHELP
594                 POPT_TABLEEND
595         };
596         poptContext pc;
597
598         load_case_tables();
599
600         /* only read rcfile if it exists */
601         if (asprintf(&rcfile, "%s/.smbgetrc", getenv("HOME")) == -1) {
602                 return 1;
603         }
604         if(access(rcfile, F_OK) == 0) 
605                 readrcfile(rcfile, long_options);
606         free(rcfile);
607
608 #ifdef SIGWINCH
609         signal(SIGWINCH, change_columns);
610 #endif
611         signal(SIGINT, signal_quit);
612         signal(SIGTERM, signal_quit);
613
614         pc = poptGetContext(argv[0], argc, argv, long_options, 0);
615
616         while((c = poptGetNextOpt(pc)) >= 0) {
617                 switch(c) {
618                 case 'f':
619                         readrcfile(poptGetOptArg(pc), long_options);
620                         break;
621                 case 'a':
622                         username = ""; password = "";
623                         break;
624                 case 'e':
625                         smb_encrypt = true;
626                         break;
627                 }
628         }
629
630         if((send_stdout || resume || outputfile) && update) {
631                 fprintf(stderr, "The -o, -R or -O and -U options can not be used together.\n");
632                 return 1;
633         }
634         if((send_stdout || outputfile) && recursive) {
635                 fprintf(stderr, "The -o or -O and -R options can not be used together.\n");
636                 return 1;
637         }
638
639         if(outputfile && send_stdout) {
640                 fprintf(stderr, "The -o and -O options cannot be used together.\n");
641                 return 1;
642         }
643
644         if(smbc_init(get_auth_data, debuglevel) < 0) {
645                 fprintf(stderr, "Unable to initialize libsmbclient\n");
646                 return 1;
647         }
648
649         if (smb_encrypt) {
650                 SMBCCTX *smb_ctx = smbc_set_context(NULL);
651                 smbc_option_set(smb_ctx,
652                         CONST_DISCARD(char *, "smb_encrypt_level"),
653                         "require");
654         }
655         
656         columns = get_num_cols();
657
658         total_start_time = time(NULL);
659
660         while ( (file = poptGetArg(pc)) ) {
661                 if (!recursive) 
662                         ret = smb_download_file(file, "", recursive, resume, outputfile);
663                 else 
664                         ret = smb_download_dir(file, "", resume);
665         }
666
667         TALLOC_FREE(frame);
668         if ( ret == 0){
669                 clean_exit();
670         }
671         return ret;
672 }