042f3a98f712b2fab26770b60059d9802f2971d2
[samba.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(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,
198                                 (unsigned int)remotestat.st_mode);
199                         smbc_closedir(dirhandle);
200                         return 0;
201                 }
202         }
203
204         smbc_closedir(dirhandle);
205         return 1;
206 }
207
208 static char *print_time(long t)
209 {
210         static char buffer[100];
211         int secs, mins, hours;
212         if(t < -1) {
213                 strncpy(buffer, "Unknown", sizeof(buffer));
214                 return buffer;
215         }
216
217         secs = (int)t % 60;
218         mins = (int)t / 60 % 60;
219         hours = (int)t / (60 * 60);
220         snprintf(buffer, sizeof(buffer)-1, "%02d:%02d:%02d", hours, mins, secs);
221         return buffer;
222 }
223
224 static void print_progress(const char *name, time_t start, time_t now, off_t start_pos, off_t pos, off_t total)
225 {
226         double avg = 0.0;
227         long  eta = -1; 
228         double prcnt = 0.0;
229         char hpos[20], htotal[20], havg[20];
230         char *status, *filename;
231         int len;
232         if(now - start)avg = 1.0 * (pos - start_pos) / (now - start);
233         eta = (total - pos) / avg;
234         if(total)prcnt = 100.0 * pos / total;
235
236         human_readable(pos, hpos, sizeof(hpos));
237         human_readable(total, htotal, sizeof(htotal));
238         human_readable(avg, havg, sizeof(havg));
239
240         len = asprintf(&status, "%s of %s (%.2f%%) at %s/s ETA: %s", hpos, htotal, prcnt, havg, print_time(eta));
241         if (len == -1) {
242                 return;
243         }
244         
245         if(columns) {
246                 int required = strlen(name), available = columns - len - strlen("[] ");
247                 if(required > available) {
248                         if (asprintf(&filename, "...%s", name + required - available + 3) == -1) {
249                                 return;
250                         }
251                 } else {
252                         filename = SMB_STRNDUP(name, available);
253                 }
254         } else filename = SMB_STRDUP(name);
255
256         fprintf(stderr, "\r[%s] %s", filename, status);
257
258         free(filename); free(status);
259 }
260
261 static int smb_download_file(const char *base, const char *name, int recursive, int resume, char *outfile) {
262         int remotehandle, localhandle;
263         time_t start_time = time(NULL);
264         const char *newpath;
265         char path[SMB_MAXPATHLEN];
266         char checkbuf[2][RESUME_CHECK_SIZE];
267         char *readbuf = NULL;
268         off_t offset_download = 0, offset_check = 0, curpos = 0, start_offset = 0;
269         struct stat localstat, remotestat;
270
271         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (*base && *name && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
272         
273         remotehandle = smbc_open(path, O_RDONLY, 0755);
274
275         if(remotehandle < 0) {
276                 switch(errno) {
277                 case EISDIR: 
278                         if(!recursive) {
279                                 fprintf(stderr, "%s is a directory. Specify -R to download recursively\n", path);
280                                 return 0;
281                         }
282                         smb_download_dir(base, name, resume);
283                         return 0;
284
285                 case ENOENT:
286                         fprintf(stderr, "%s can't be found on the remote server\n", path);
287                         return 0;
288
289                 case ENOMEM:
290                         fprintf(stderr, "Not enough memory\n");
291                         exit(1);
292                         return 0;
293
294                 case ENODEV:
295                         fprintf(stderr, "The share name used in %s does not exist\n", path);
296                         return 0;
297
298                 case EACCES:
299                         fprintf(stderr, "You don't have enough permissions to access %s\n", path);
300                         return 0;
301
302                 default:
303                         perror("smbc_open");
304                         return 0;
305                 }
306         } 
307
308         if(smbc_fstat(remotehandle, &remotestat) < 0) {
309                 fprintf(stderr, "Can't stat %s: %s\n", path, strerror(errno));
310                 return 0;
311         }
312
313         if(outfile) newpath = outfile;
314         else if(!name[0]) {
315                 newpath = strrchr(base, '/');
316                 if(newpath)newpath++; else newpath = base;
317         } else newpath = name;
318
319         if(newpath[0] == '/')newpath++;
320         
321         /* Open local file according to the mode */
322         if(update) {
323                 /* if it is up-to-date, skip */
324                 if(stat(newpath, &localstat) == 0 &&
325                                 localstat.st_mtime >= remotestat.st_mtime) {
326                         if(verbose)
327                                 printf("%s is up-to-date, skipping\n", newpath);
328                         smbc_close(remotehandle);
329                         return 0;
330                 }
331                 /* else open it for writing and truncate if it exists */
332                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | O_TRUNC, 0775);
333                 if(localhandle < 0) {
334                         fprintf(stderr, "Can't open %s : %s\n", newpath,
335                                         strerror(errno));
336                         smbc_close(remotehandle);
337                         return 0;
338                 }
339                 /* no offset */
340         } else if(!send_stdout) {
341                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | (!resume?O_EXCL:0), 0755);
342                 if(localhandle < 0) {
343                         fprintf(stderr, "Can't open %s: %s\n", newpath, strerror(errno));
344                         smbc_close(remotehandle);
345                         return 0;
346                 }
347         
348                 if (fstat(localhandle, &localstat) != 0) {
349                         fprintf(stderr, "Can't fstat %s: %s\n", newpath, strerror(errno));
350                         smbc_close(remotehandle);
351                         close(localhandle);
352                         return 0;
353                 }
354
355                 start_offset = localstat.st_size;
356
357                 if(localstat.st_size && localstat.st_size == remotestat.st_size) {
358                         if(verbose)fprintf(stderr, "%s is already downloaded completely.\n", path);
359                         else if(!quiet)fprintf(stderr, "%s\n", path);
360                         smbc_close(remotehandle);
361                         close(localhandle);
362                         return 1;
363                 }
364
365                 if(localstat.st_size > RESUME_CHECK_OFFSET && remotestat.st_size > RESUME_CHECK_OFFSET) {
366                         offset_download = localstat.st_size - RESUME_DOWNLOAD_OFFSET;
367                         offset_check = localstat.st_size - RESUME_CHECK_OFFSET;
368                         if(verbose)printf("Trying to start resume of %s at "OFF_T_FORMAT"\n"
369                                    "At the moment "OFF_T_FORMAT" of "OFF_T_FORMAT" bytes have been retrieved\n",
370                                 newpath, (OFF_T_FORMAT_CAST)offset_check, 
371                                 (OFF_T_FORMAT_CAST)localstat.st_size,
372                                 (OFF_T_FORMAT_CAST)remotestat.st_size);
373                 }
374
375                 if(offset_check) { 
376                         off_t off1, off2;
377                         /* First, check all bytes from offset_check to offset_download */
378                         off1 = lseek(localhandle, offset_check, SEEK_SET);
379                         if(off1 < 0) {
380                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in local file %s\n",
381                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
382                                 smbc_close(remotehandle); close(localhandle);
383                                 return 0;
384                         }
385
386                         off2 = smbc_lseek(remotehandle, offset_check, SEEK_SET); 
387                         if(off2 < 0) {
388                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in remote file %s\n",
389                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
390                                 smbc_close(remotehandle); close(localhandle);
391                                 return 0;
392                         }
393
394                         if(off1 != off2) {
395                                 fprintf(stderr, "Offset in local and remote files is different (local: "OFF_T_FORMAT", remote: "OFF_T_FORMAT")\n",
396                                         (OFF_T_FORMAT_CAST)off1,
397                                         (OFF_T_FORMAT_CAST)off2);
398                                 return 0;
399                         }
400
401                         if(smbc_read(remotehandle, checkbuf[0], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
402                                 fprintf(stderr, "Can't read %d bytes from remote file %s\n", RESUME_CHECK_SIZE, path);
403                                 smbc_close(remotehandle); close(localhandle);
404                                 return 0;
405                         }
406
407                         if(read(localhandle, checkbuf[1], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
408                                 fprintf(stderr, "Can't read %d bytes from local file %s\n", RESUME_CHECK_SIZE, name);
409                                 smbc_close(remotehandle); close(localhandle);
410                                 return 0;
411                         }
412
413                         if(memcmp(checkbuf[0], checkbuf[1], RESUME_CHECK_SIZE) == 0) {
414                                 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);
415                         } else {
416                                 fprintf(stderr, "Local and remote file appear to be different, not doing resume for %s\n", path);
417                                 smbc_close(remotehandle); close(localhandle);
418                                 return 0;
419                         }
420                 }
421         } else {
422                 localhandle = STDOUT_FILENO;
423                 start_offset = 0;
424                 offset_download = 0;
425                 offset_check = 0;
426         }
427
428         readbuf = (char *)SMB_MALLOC(blocksize);
429
430         /* Now, download all bytes from offset_download to the end */
431         for(curpos = offset_download; curpos < remotestat.st_size; curpos+=blocksize) {
432                 ssize_t bytesread = smbc_read(remotehandle, readbuf, blocksize);
433                 if(bytesread < 0) {
434                         fprintf(stderr, "Can't read %u bytes at offset "OFF_T_FORMAT", file %s\n", (unsigned int)blocksize, (OFF_T_FORMAT_CAST)curpos, path);
435                         smbc_close(remotehandle);
436                         if (localhandle != STDOUT_FILENO) close(localhandle);
437                         free(readbuf);
438                         return 0;
439                 }
440
441                 total_bytes += bytesread;
442
443                 if(write(localhandle, readbuf, bytesread) < 0) {
444                         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);
445                         free(readbuf);
446                         smbc_close(remotehandle);
447                         if (localhandle != STDOUT_FILENO) close(localhandle);
448                         return 0;
449                 }
450
451                 if(dots)fputc('.', stderr);
452                 else if(!quiet) {
453                         print_progress(newpath, start_time, time(NULL), start_offset, curpos, remotestat.st_size);
454                 }
455         }
456
457         free(readbuf);
458
459         if(dots){
460                 fputc('\n', stderr);
461                 printf("%s downloaded\n", path);
462         } else if(!quiet) {
463                 int i;
464                 fprintf(stderr, "\r%s", path);
465                 if(columns) {
466                         for(i = strlen(path); i < columns; i++) {
467                                 fputc(' ', stderr);
468                         }
469                 }
470                 fputc('\n', stderr);
471         }
472
473         if(keep_permissions && !send_stdout) {
474                 if(fchmod(localhandle, remotestat.st_mode) < 0) {
475                         fprintf(stderr, "Unable to change mode of local file %s to %o\n", path,
476                                 (unsigned int)remotestat.st_mode);
477                         smbc_close(remotehandle);
478                         close(localhandle);
479                         return 0;
480                 }
481         }
482
483         smbc_close(remotehandle);
484         if (localhandle != STDOUT_FILENO) close(localhandle);
485         return 1;
486 }
487
488 static void clean_exit(void)
489 {
490         char bs[100];
491         human_readable(total_bytes, bs, sizeof(bs));
492         if(!quiet)fprintf(stderr, "Downloaded %s in %lu seconds\n", bs,
493                 (unsigned long)(time(NULL) - total_start_time));
494         exit(0);
495 }
496
497 static void signal_quit(int v)
498 {
499         clean_exit();
500 }
501
502 static int readrcfile(const char *name, const struct poptOption long_options[])
503 {
504         FILE *fd = fopen(name, "r");
505         int lineno = 0, i;
506         char var[101], val[101];
507         char found;
508         int *intdata; char **stringdata;
509         if(!fd) {
510                 fprintf(stderr, "Can't open RC file %s\n", name);
511                 return 1;
512         }
513
514         while(!feof(fd)) {
515                 lineno++;
516                 if(fscanf(fd, "%100s %100s\n", var, val) < 2) {
517                         fprintf(stderr, "Can't parse line %d of %s, ignoring.\n", lineno, name);
518                         continue;
519                 }
520
521                 found = 0;
522
523                 for(i = 0; long_options[i].shortName; i++) {
524                         if(!long_options[i].longName)continue;
525                         if(strcmp(long_options[i].longName, var)) continue;
526                         if(!long_options[i].arg)continue;
527
528                         switch(long_options[i].argInfo) {
529                         case POPT_ARG_NONE:
530                                 intdata = (int *)long_options[i].arg;
531                                 if(!strcmp(val, "on")) *intdata = 1;
532                                 else if(!strcmp(val, "off")) *intdata = 0;
533                                 else fprintf(stderr, "Illegal value %s for %s at line %d in %s\n", val, var, lineno, name);
534                                 break;
535                         case POPT_ARG_INT:
536                                 intdata = (int *)long_options[i].arg;
537                                 *intdata = atoi(val);
538                                 break;
539                         case POPT_ARG_STRING:
540                                 stringdata = (char **)long_options[i].arg;
541                                 *stringdata = SMB_STRDUP(val);
542                                 break;
543                         default:
544                                 fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
545                                 break;
546                         }
547
548                         found = 1;
549                 }
550                 if(!found) {
551                         fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
552                 }
553         }
554
555         fclose(fd);
556         return 0;
557 }
558
559 int main(int argc, const char **argv)
560 {
561         int c = 0;
562         const char *file = NULL;
563         char *rcfile = NULL;
564         bool smb_encrypt = false;
565         int resume = 0, recursive = 0;
566         TALLOC_CTX *frame = talloc_stackframe();
567         struct poptOption long_options[] = {
568                 {"guest", 'a', POPT_ARG_NONE, NULL, 'a', "Work as user guest" },        
569                 {"encrypt", 'e', POPT_ARG_NONE, NULL, 'e', "Encrypt SMB transport (UNIX extended servers only)" },      
570                 {"resume", 'r', POPT_ARG_NONE, &resume, 0, "Automatically resume aborted files" },
571                 {"update", 'U',  POPT_ARG_NONE, &update, 0, "Download only when remote file is newer than local file or local file is missing"},
572                 {"recursive", 'R',  POPT_ARG_NONE, &recursive, 0, "Recursively download files" },
573                 {"username", 'u', POPT_ARG_STRING, &username, 'u', "Username to use" },
574                 {"password", 'p', POPT_ARG_STRING, &password, 'p', "Password to use" },
575                 {"workgroup", 'w', POPT_ARG_STRING, &workgroup, 'w', "Workgroup to use (optional)" },
576                 {"nonprompt", 'n', POPT_ARG_NONE, &nonprompt, 'n', "Don't ask anything (non-interactive)" },
577                 {"debuglevel", 'd', POPT_ARG_INT, &debuglevel, 'd', "Debuglevel to use" },
578                 {"outputfile", 'o', POPT_ARG_STRING, &outputfile, 'o', "Write downloaded data to specified file" },
579                 {"stdout", 'O', POPT_ARG_NONE, &send_stdout, 'O', "Write data to stdout" },
580                 {"dots", 'D', POPT_ARG_NONE, &dots, 'D', "Show dots as progress indication" },
581                 {"quiet", 'q', POPT_ARG_NONE, &quiet, 'q', "Be quiet" },
582                 {"verbose", 'v', POPT_ARG_NONE, &verbose, 'v', "Be verbose" },
583                 {"keep-permissions", 'P', POPT_ARG_NONE, &keep_permissions, 'P', "Keep permissions" },
584                 {"blocksize", 'b', POPT_ARG_INT, &blocksize, 'b', "Change number of bytes in a block"},
585                 {"rcfile", 'f', POPT_ARG_STRING, NULL, 0, "Use specified rc file"},
586                 POPT_AUTOHELP
587                 POPT_TABLEEND
588         };
589         poptContext pc;
590
591         load_case_tables();
592
593         /* only read rcfile if it exists */
594         if (asprintf(&rcfile, "%s/.smbgetrc", getenv("HOME")) == -1) {
595                 return 1;
596         }
597         if(access(rcfile, F_OK) == 0) 
598                 readrcfile(rcfile, long_options);
599         free(rcfile);
600
601 #ifdef SIGWINCH
602         signal(SIGWINCH, change_columns);
603 #endif
604         signal(SIGINT, signal_quit);
605         signal(SIGTERM, signal_quit);
606
607         pc = poptGetContext(argv[0], argc, argv, long_options, 0);
608
609         while((c = poptGetNextOpt(pc)) >= 0) {
610                 switch(c) {
611                 case 'f':
612                         readrcfile(poptGetOptArg(pc), long_options);
613                         break;
614                 case 'a':
615                         username = ""; password = "";
616                         break;
617                 case 'e':
618                         smb_encrypt = true;
619                         break;
620                 }
621         }
622
623         if((send_stdout || resume || outputfile) && update) {
624                 fprintf(stderr, "The -o, -R or -O and -U options can not be used together.\n");
625                 return 1;
626         }
627         if((send_stdout || outputfile) && recursive) {
628                 fprintf(stderr, "The -o or -O and -R options can not be used together.\n");
629                 return 1;
630         }
631
632         if(outputfile && send_stdout) {
633                 fprintf(stderr, "The -o and -O options cannot be used together.\n");
634                 return 1;
635         }
636
637         if(smbc_init(get_auth_data, debuglevel) < 0) {
638                 fprintf(stderr, "Unable to initialize libsmbclient\n");
639                 return 1;
640         }
641
642         if (smb_encrypt) {
643                 SMBCCTX *smb_ctx = smbc_set_context(NULL);
644                 smbc_option_set(smb_ctx,
645                         CONST_DISCARD(char *, "smb_encrypt_level"),
646                         "require");
647         }
648         
649         columns = get_num_cols();
650
651         total_start_time = time(NULL);
652
653         while ( (file = poptGetArg(pc)) ) {
654                 if (!recursive) 
655                         return smb_download_file(file, "", recursive, resume, outputfile);
656                 else 
657                         return smb_download_dir(file, "", resume);
658         }
659
660         clean_exit();
661         TALLOC_FREE(frame);
662         return 0;
663 }