d6cc41e6 |
1 | /* |
799dfcfa |
2 | * winsftp.c: the Windows-specific parts of PSFTP and PSCP. |
d6cc41e6 |
3 | */ |
4 | |
39934deb |
5 | #include <assert.h> |
6 | |
d6cc41e6 |
7 | #include "putty.h" |
8 | #include "psftp.h" |
0ac1920c |
9 | #include "int64.h" |
c6ccd5c2 |
10 | |
11 | char *get_ttymode(void *frontend, const char *mode) { return NULL; } |
edd0cb8a |
12 | |
13 | int get_userpass_input(prompts_t *p, unsigned char *in, int inlen) |
14 | { |
15 | int ret; |
16 | ret = cmdline_get_passwd_input(p, in, inlen); |
17 | if (ret == -1) |
18 | ret = console_get_userpass_input(p, in, inlen); |
19 | return ret; |
20 | } |
d6cc41e6 |
21 | |
8def70c3 |
22 | void platform_get_x11_auth(struct X11Display *display, const Config *cfg) |
23 | { |
24 | /* Do nothing, therefore no auth. */ |
25 | } |
26 | const int platform_uses_x11_unix_by_default = TRUE; |
27 | |
799dfcfa |
28 | /* ---------------------------------------------------------------------- |
29 | * File access abstraction. |
30 | */ |
31 | |
d6cc41e6 |
32 | /* |
33 | * Set local current directory. Returns NULL on success, or else an |
34 | * error message which must be freed after printing. |
35 | */ |
36 | char *psftp_lcd(char *dir) |
37 | { |
38 | char *ret = NULL; |
39 | |
40 | if (!SetCurrentDirectory(dir)) { |
41 | LPVOID message; |
42 | int i; |
43 | FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | |
44 | FORMAT_MESSAGE_FROM_SYSTEM | |
45 | FORMAT_MESSAGE_IGNORE_INSERTS, |
46 | NULL, GetLastError(), |
47 | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
48 | (LPTSTR)&message, 0, NULL); |
49 | i = strcspn((char *)message, "\n"); |
50 | ret = dupprintf("%.*s", i, (LPCTSTR)message); |
51 | LocalFree(message); |
52 | } |
53 | |
54 | return ret; |
55 | } |
56 | |
57 | /* |
58 | * Get local current directory. Returns a string which must be |
59 | * freed. |
60 | */ |
61 | char *psftp_getcwd(void) |
62 | { |
63 | char *ret = snewn(256, char); |
64 | int len = GetCurrentDirectory(256, ret); |
65 | if (len > 256) |
66 | ret = sresize(ret, len, char); |
67 | GetCurrentDirectory(len, ret); |
68 | return ret; |
69 | } |
70 | |
799dfcfa |
71 | #define TIME_POSIX_TO_WIN(t, ft) (*(LONGLONG*)&(ft) = \ |
72 | ((LONGLONG) (t) + (LONGLONG) 11644473600) * (LONGLONG) 10000000) |
73 | #define TIME_WIN_TO_POSIX(ft, t) ((t) = (unsigned long) \ |
74 | ((*(LONGLONG*)&(ft)) / (LONGLONG) 10000000 - (LONGLONG) 11644473600)) |
75 | |
76 | struct RFile { |
77 | HANDLE h; |
78 | }; |
79 | |
0ac1920c |
80 | RFile *open_existing_file(char *name, uint64 *size, |
799dfcfa |
81 | unsigned long *mtime, unsigned long *atime) |
82 | { |
83 | HANDLE h; |
84 | RFile *ret; |
85 | |
86 | h = CreateFile(name, GENERIC_READ, FILE_SHARE_READ, NULL, |
87 | OPEN_EXISTING, 0, 0); |
88 | if (h == INVALID_HANDLE_VALUE) |
89 | return NULL; |
90 | |
91 | ret = snew(RFile); |
92 | ret->h = h; |
93 | |
94 | if (size) |
0ac1920c |
95 | size->lo=GetFileSize(h, &(size->hi)); |
799dfcfa |
96 | |
97 | if (mtime || atime) { |
98 | FILETIME actime, wrtime; |
99 | GetFileTime(h, NULL, &actime, &wrtime); |
100 | if (atime) |
101 | TIME_WIN_TO_POSIX(actime, *atime); |
102 | if (mtime) |
103 | TIME_WIN_TO_POSIX(wrtime, *mtime); |
104 | } |
105 | |
106 | return ret; |
107 | } |
108 | |
109 | int read_from_file(RFile *f, void *buffer, int length) |
110 | { |
111 | int ret, read; |
112 | ret = ReadFile(f->h, buffer, length, &read, NULL); |
113 | if (!ret) |
114 | return -1; /* error */ |
115 | else |
116 | return read; |
117 | } |
118 | |
119 | void close_rfile(RFile *f) |
120 | { |
121 | CloseHandle(f->h); |
122 | sfree(f); |
123 | } |
124 | |
125 | struct WFile { |
126 | HANDLE h; |
127 | }; |
128 | |
129 | WFile *open_new_file(char *name) |
130 | { |
131 | HANDLE h; |
132 | WFile *ret; |
133 | |
134 | h = CreateFile(name, GENERIC_WRITE, 0, NULL, |
135 | CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); |
136 | if (h == INVALID_HANDLE_VALUE) |
137 | return NULL; |
138 | |
139 | ret = snew(WFile); |
140 | ret->h = h; |
141 | |
142 | return ret; |
143 | } |
144 | |
0ac1920c |
145 | WFile *open_existing_wfile(char *name, uint64 *size) |
146 | { |
147 | HANDLE h; |
148 | WFile *ret; |
149 | |
150 | h = CreateFile(name, GENERIC_WRITE, FILE_SHARE_READ, NULL, |
151 | OPEN_EXISTING, 0, 0); |
152 | if (h == INVALID_HANDLE_VALUE) |
153 | return NULL; |
154 | |
155 | ret = snew(WFile); |
156 | ret->h = h; |
157 | |
158 | if (size) |
159 | size->lo=GetFileSize(h, &(size->hi)); |
160 | |
161 | return ret; |
162 | } |
163 | |
799dfcfa |
164 | int write_to_file(WFile *f, void *buffer, int length) |
165 | { |
166 | int ret, written; |
167 | ret = WriteFile(f->h, buffer, length, &written, NULL); |
168 | if (!ret) |
169 | return -1; /* error */ |
170 | else |
171 | return written; |
172 | } |
173 | |
174 | void set_file_times(WFile *f, unsigned long mtime, unsigned long atime) |
175 | { |
176 | FILETIME actime, wrtime; |
177 | TIME_POSIX_TO_WIN(atime, actime); |
178 | TIME_POSIX_TO_WIN(mtime, wrtime); |
179 | SetFileTime(f->h, NULL, &actime, &wrtime); |
180 | } |
181 | |
182 | void close_wfile(WFile *f) |
183 | { |
184 | CloseHandle(f->h); |
185 | sfree(f); |
186 | } |
187 | |
0ac1920c |
188 | /* Seek offset bytes through file, from whence, where whence is |
189 | FROM_START, FROM_CURRENT, or FROM_END */ |
190 | int seek_file(WFile *f, uint64 offset, int whence) |
191 | { |
192 | DWORD movemethod; |
193 | |
194 | switch (whence) { |
195 | case FROM_START: |
196 | movemethod = FILE_BEGIN; |
197 | break; |
198 | case FROM_CURRENT: |
199 | movemethod = FILE_CURRENT; |
200 | break; |
201 | case FROM_END: |
202 | movemethod = FILE_END; |
203 | break; |
204 | default: |
205 | return -1; |
206 | } |
207 | |
208 | SetFilePointer(f->h, offset.lo, &(offset.hi), movemethod); |
209 | |
210 | if (GetLastError() != NO_ERROR) |
211 | return -1; |
212 | else |
213 | return 0; |
214 | } |
215 | |
216 | uint64 get_file_posn(WFile *f) |
217 | { |
218 | uint64 ret; |
219 | |
220 | ret.hi = 0L; |
221 | ret.lo = SetFilePointer(f->h, 0L, &(ret.hi), FILE_CURRENT); |
222 | |
223 | return ret; |
224 | } |
225 | |
799dfcfa |
226 | int file_type(char *name) |
227 | { |
228 | DWORD attr; |
229 | attr = GetFileAttributes(name); |
230 | /* We know of no `weird' files under Windows. */ |
231 | if (attr == (DWORD)-1) |
232 | return FILE_TYPE_NONEXISTENT; |
233 | else if (attr & FILE_ATTRIBUTE_DIRECTORY) |
234 | return FILE_TYPE_DIRECTORY; |
235 | else |
236 | return FILE_TYPE_FILE; |
237 | } |
238 | |
239 | struct DirHandle { |
240 | HANDLE h; |
241 | char *name; |
242 | }; |
243 | |
244 | DirHandle *open_directory(char *name) |
245 | { |
246 | HANDLE h; |
247 | WIN32_FIND_DATA fdat; |
248 | char *findfile; |
249 | DirHandle *ret; |
250 | |
8f0ebed4 |
251 | /* Enumerate files in dir `foo'. */ |
799dfcfa |
252 | findfile = dupcat(name, "/*", NULL); |
253 | h = FindFirstFile(findfile, &fdat); |
254 | if (h == INVALID_HANDLE_VALUE) |
255 | return NULL; |
8c7d710c |
256 | sfree(findfile); |
799dfcfa |
257 | |
258 | ret = snew(DirHandle); |
259 | ret->h = h; |
260 | ret->name = dupstr(fdat.cFileName); |
261 | return ret; |
262 | } |
263 | |
264 | char *read_filename(DirHandle *dir) |
265 | { |
b0e15bb5 |
266 | do { |
267 | |
268 | if (!dir->name) { |
269 | WIN32_FIND_DATA fdat; |
270 | int ok = FindNextFile(dir->h, &fdat); |
271 | if (!ok) |
272 | return NULL; |
273 | else |
274 | dir->name = dupstr(fdat.cFileName); |
275 | } |
276 | |
277 | assert(dir->name); |
278 | if (dir->name[0] == '.' && |
279 | (dir->name[1] == '\0' || |
280 | (dir->name[1] == '.' && dir->name[2] == '\0'))) { |
281 | sfree(dir->name); |
8c7d710c |
282 | dir->name = NULL; |
b0e15bb5 |
283 | } |
284 | |
285 | } while (!dir->name); |
799dfcfa |
286 | |
287 | if (dir->name) { |
288 | char *ret = dir->name; |
289 | dir->name = NULL; |
290 | return ret; |
291 | } else |
292 | return NULL; |
293 | } |
294 | |
295 | void close_directory(DirHandle *dir) |
296 | { |
297 | FindClose(dir->h); |
298 | if (dir->name) |
299 | sfree(dir->name); |
300 | sfree(dir); |
301 | } |
302 | |
303 | int test_wildcard(char *name, int cmdline) |
304 | { |
305 | HANDLE fh; |
306 | WIN32_FIND_DATA fdat; |
307 | |
308 | /* First see if the exact name exists. */ |
309 | if (GetFileAttributes(name) != (DWORD)-1) |
310 | return WCTYPE_FILENAME; |
311 | |
312 | /* Otherwise see if a wildcard match finds anything. */ |
313 | fh = FindFirstFile(name, &fdat); |
314 | if (fh == INVALID_HANDLE_VALUE) |
315 | return WCTYPE_NONEXISTENT; |
316 | |
317 | FindClose(fh); |
318 | return WCTYPE_WILDCARD; |
319 | } |
320 | |
321 | struct WildcardMatcher { |
322 | HANDLE h; |
323 | char *name; |
324 | char *srcpath; |
325 | }; |
326 | |
327 | /* |
328 | * Return a pointer to the portion of str that comes after the last |
329 | * slash (or backslash or colon, if `local' is TRUE). |
330 | */ |
331 | static char *stripslashes(char *str, int local) |
332 | { |
333 | char *p; |
334 | |
335 | if (local) { |
336 | p = strchr(str, ':'); |
337 | if (p) str = p+1; |
338 | } |
339 | |
340 | p = strrchr(str, '/'); |
341 | if (p) str = p+1; |
342 | |
343 | if (local) { |
344 | p = strrchr(str, '\\'); |
345 | if (p) str = p+1; |
346 | } |
347 | |
348 | return str; |
349 | } |
350 | |
351 | WildcardMatcher *begin_wildcard_matching(char *name) |
352 | { |
353 | HANDLE h; |
354 | WIN32_FIND_DATA fdat; |
355 | WildcardMatcher *ret; |
356 | char *last; |
357 | |
358 | h = FindFirstFile(name, &fdat); |
359 | if (h == INVALID_HANDLE_VALUE) |
360 | return NULL; |
361 | |
362 | ret = snew(WildcardMatcher); |
363 | ret->h = h; |
364 | ret->srcpath = dupstr(name); |
365 | last = stripslashes(ret->srcpath, 1); |
366 | *last = '\0'; |
367 | if (fdat.cFileName[0] == '.' && |
368 | (fdat.cFileName[1] == '\0' || |
369 | (fdat.cFileName[1] == '.' && fdat.cFileName[2] == '\0'))) |
370 | ret->name = NULL; |
371 | else |
372 | ret->name = dupcat(ret->srcpath, fdat.cFileName, NULL); |
373 | |
374 | return ret; |
375 | } |
376 | |
377 | char *wildcard_get_filename(WildcardMatcher *dir) |
378 | { |
379 | while (!dir->name) { |
380 | WIN32_FIND_DATA fdat; |
381 | int ok = FindNextFile(dir->h, &fdat); |
382 | |
383 | if (!ok) |
384 | return NULL; |
385 | |
386 | if (fdat.cFileName[0] == '.' && |
387 | (fdat.cFileName[1] == '\0' || |
388 | (fdat.cFileName[1] == '.' && fdat.cFileName[2] == '\0'))) |
389 | dir->name = NULL; |
390 | else |
391 | dir->name = dupcat(dir->srcpath, fdat.cFileName, NULL); |
392 | } |
393 | |
394 | if (dir->name) { |
395 | char *ret = dir->name; |
396 | dir->name = NULL; |
397 | return ret; |
398 | } else |
399 | return NULL; |
400 | } |
401 | |
402 | void finish_wildcard_matching(WildcardMatcher *dir) |
403 | { |
404 | FindClose(dir->h); |
405 | if (dir->name) |
406 | sfree(dir->name); |
407 | sfree(dir->srcpath); |
408 | sfree(dir); |
409 | } |
410 | |
e9d14678 |
411 | int vet_filename(char *name) |
412 | { |
413 | if (strchr(name, '/') || strchr(name, '\\') || strchr(name, ':')) |
414 | return FALSE; |
415 | |
416 | if (!name[strspn(name, ".")]) /* entirely composed of dots */ |
417 | return FALSE; |
418 | |
419 | return TRUE; |
420 | } |
421 | |
799dfcfa |
422 | int create_directory(char *name) |
423 | { |
424 | return CreateDirectory(name, NULL) != 0; |
425 | } |
426 | |
8c7d710c |
427 | char *dir_file_cat(char *dir, char *file) |
428 | { |
429 | return dupcat(dir, "\\", file, NULL); |
430 | } |
431 | |
799dfcfa |
432 | /* ---------------------------------------------------------------------- |
433 | * Platform-specific network handling. |
434 | */ |
435 | |
436 | /* |
437 | * Be told what socket we're supposed to be using. |
438 | */ |
65857773 |
439 | static SOCKET sftp_ssh_socket = INVALID_SOCKET; |
4a0b6d61 |
440 | static HANDLE netevent = INVALID_HANDLE_VALUE; |
799dfcfa |
441 | char *do_select(SOCKET skt, int startup) |
442 | { |
39934deb |
443 | int events; |
799dfcfa |
444 | if (startup) |
445 | sftp_ssh_socket = skt; |
446 | else |
447 | sftp_ssh_socket = INVALID_SOCKET; |
39934deb |
448 | |
449 | if (p_WSAEventSelect) { |
450 | if (startup) { |
451 | events = (FD_CONNECT | FD_READ | FD_WRITE | |
452 | FD_OOB | FD_CLOSE | FD_ACCEPT); |
453 | netevent = CreateEvent(NULL, FALSE, FALSE, NULL); |
454 | } else { |
455 | events = 0; |
456 | } |
457 | if (p_WSAEventSelect(skt, netevent, events) == SOCKET_ERROR) { |
458 | switch (p_WSAGetLastError()) { |
459 | case WSAENETDOWN: |
460 | return "Network is down"; |
461 | default: |
462 | return "WSAEventSelect(): unknown error"; |
463 | } |
464 | } |
465 | } |
799dfcfa |
466 | return NULL; |
467 | } |
468 | extern int select_result(WPARAM, LPARAM); |
469 | |
39934deb |
470 | int do_eventsel_loop(HANDLE other_event) |
471 | { |
fbe6468e |
472 | int n, nhandles, nallhandles, netindex, otherindex; |
39934deb |
473 | long next, ticks; |
34292b1d |
474 | HANDLE *handles; |
39934deb |
475 | SOCKET *sklist; |
476 | int skcount; |
477 | long now = GETTICKCOUNT(); |
478 | |
fbe6468e |
479 | if (run_timers(now, &next)) { |
480 | ticks = next - GETTICKCOUNT(); |
481 | if (ticks < 0) ticks = 0; /* just in case */ |
482 | } else { |
483 | ticks = INFINITE; |
39934deb |
484 | } |
485 | |
34292b1d |
486 | handles = handle_get_events(&nhandles); |
487 | handles = sresize(handles, nhandles+2, HANDLE); |
488 | nallhandles = nhandles; |
489 | |
4a0b6d61 |
490 | if (netevent != INVALID_HANDLE_VALUE) |
fbe6468e |
491 | handles[netindex = nallhandles++] = netevent; |
492 | else |
493 | netindex = -1; |
4a0b6d61 |
494 | if (other_event != INVALID_HANDLE_VALUE) |
fbe6468e |
495 | handles[otherindex = nallhandles++] = other_event; |
496 | else |
497 | otherindex = -1; |
39934deb |
498 | |
4d6848ce |
499 | n = WaitForMultipleObjects(nallhandles, handles, FALSE, ticks); |
39934deb |
500 | |
34292b1d |
501 | if ((unsigned)(n - WAIT_OBJECT_0) < (unsigned)nhandles) { |
502 | handle_got_event(handles[n - WAIT_OBJECT_0]); |
fbe6468e |
503 | } else if (netindex >= 0 && n == WAIT_OBJECT_0 + netindex) { |
39934deb |
504 | WSANETWORKEVENTS things; |
505 | SOCKET socket; |
506 | extern SOCKET first_socket(int *), next_socket(int *); |
507 | extern int select_result(WPARAM, LPARAM); |
508 | int i, socketstate; |
509 | |
510 | /* |
511 | * We must not call select_result() for any socket |
512 | * until we have finished enumerating within the |
513 | * tree. This is because select_result() may close |
514 | * the socket and modify the tree. |
515 | */ |
516 | /* Count the active sockets. */ |
517 | i = 0; |
518 | for (socket = first_socket(&socketstate); |
519 | socket != INVALID_SOCKET; |
520 | socket = next_socket(&socketstate)) i++; |
521 | |
522 | /* Expand the buffer if necessary. */ |
523 | sklist = snewn(i, SOCKET); |
524 | |
525 | /* Retrieve the sockets into sklist. */ |
526 | skcount = 0; |
527 | for (socket = first_socket(&socketstate); |
528 | socket != INVALID_SOCKET; |
529 | socket = next_socket(&socketstate)) { |
530 | sklist[skcount++] = socket; |
531 | } |
532 | |
533 | /* Now we're done enumerating; go through the list. */ |
534 | for (i = 0; i < skcount; i++) { |
535 | WPARAM wp; |
536 | socket = sklist[i]; |
537 | wp = (WPARAM) socket; |
538 | if (!p_WSAEnumNetworkEvents(socket, NULL, &things)) { |
539 | static const struct { int bit, mask; } eventtypes[] = { |
540 | {FD_CONNECT_BIT, FD_CONNECT}, |
541 | {FD_READ_BIT, FD_READ}, |
542 | {FD_CLOSE_BIT, FD_CLOSE}, |
543 | {FD_OOB_BIT, FD_OOB}, |
544 | {FD_WRITE_BIT, FD_WRITE}, |
545 | {FD_ACCEPT_BIT, FD_ACCEPT}, |
546 | }; |
547 | int e; |
548 | |
549 | noise_ultralight(socket); |
550 | noise_ultralight(things.lNetworkEvents); |
551 | |
552 | for (e = 0; e < lenof(eventtypes); e++) |
553 | if (things.lNetworkEvents & eventtypes[e].mask) { |
554 | LPARAM lp; |
555 | int err = things.iErrorCode[eventtypes[e].bit]; |
556 | lp = WSAMAKESELECTREPLY(eventtypes[e].mask, err); |
557 | select_result(wp, lp); |
558 | } |
559 | } |
560 | } |
561 | |
562 | sfree(sklist); |
563 | } |
564 | |
34292b1d |
565 | sfree(handles); |
566 | |
39934deb |
567 | if (n == WAIT_TIMEOUT) { |
568 | now = next; |
569 | } else { |
570 | now = GETTICKCOUNT(); |
571 | } |
572 | |
fbe6468e |
573 | if (otherindex >= 0 && n == WAIT_OBJECT_0 + otherindex) |
39934deb |
574 | return 1; |
575 | |
576 | return 0; |
577 | } |
578 | |
799dfcfa |
579 | /* |
d6cc41e6 |
580 | * Wait for some network data and process it. |
39934deb |
581 | * |
582 | * We have two variants of this function. One uses select() so that |
583 | * it's compatible with WinSock 1. The other uses WSAEventSelect |
584 | * and MsgWaitForMultipleObjects, so that we can consistently use |
585 | * WSAEventSelect throughout; this enables us to also implement |
586 | * ssh_sftp_get_cmdline() using a parallel mechanism. |
d6cc41e6 |
587 | */ |
588 | int ssh_sftp_loop_iteration(void) |
589 | { |
39934deb |
590 | if (p_WSAEventSelect == NULL) { |
591 | fd_set readfds; |
592 | int ret; |
593 | long now = GETTICKCOUNT(); |
594 | |
fbe6468e |
595 | if (sftp_ssh_socket == INVALID_SOCKET) |
596 | return -1; /* doom */ |
597 | |
39934deb |
598 | if (socket_writable(sftp_ssh_socket)) |
599 | select_result((WPARAM) sftp_ssh_socket, (LPARAM) FD_WRITE); |
600 | |
601 | do { |
602 | long next, ticks; |
603 | struct timeval tv, *ptv; |
604 | |
605 | if (run_timers(now, &next)) { |
606 | ticks = next - GETTICKCOUNT(); |
607 | if (ticks <= 0) |
608 | ticks = 1; /* just in case */ |
609 | tv.tv_sec = ticks / 1000; |
610 | tv.tv_usec = ticks % 1000 * 1000; |
611 | ptv = &tv; |
612 | } else { |
613 | ptv = NULL; |
614 | } |
615 | |
616 | FD_ZERO(&readfds); |
617 | FD_SET(sftp_ssh_socket, &readfds); |
618 | ret = p_select(1, &readfds, NULL, NULL, ptv); |
619 | |
620 | if (ret < 0) |
621 | return -1; /* doom */ |
622 | else if (ret == 0) |
623 | now = next; |
624 | else |
625 | now = GETTICKCOUNT(); |
626 | |
627 | } while (ret == 0); |
628 | |
629 | select_result((WPARAM) sftp_ssh_socket, (LPARAM) FD_READ); |
630 | |
631 | return 0; |
632 | } else { |
4a0b6d61 |
633 | return do_eventsel_loop(INVALID_HANDLE_VALUE); |
39934deb |
634 | } |
635 | } |
636 | |
637 | /* |
638 | * Read a command line from standard input. |
639 | * |
640 | * In the presence of WinSock 2, we can use WSAEventSelect to |
641 | * mediate between the socket and stdin, meaning we can send |
642 | * keepalives and respond to server events even while waiting at |
643 | * the PSFTP command prompt. Without WS2, we fall back to a simple |
644 | * fgets. |
645 | */ |
646 | struct command_read_ctx { |
647 | HANDLE event; |
648 | char *line; |
649 | }; |
650 | |
651 | static DWORD WINAPI command_read_thread(void *param) |
652 | { |
653 | struct command_read_ctx *ctx = (struct command_read_ctx *) param; |
654 | |
655 | ctx->line = fgetline(stdin); |
656 | |
657 | SetEvent(ctx->event); |
d6cc41e6 |
658 | |
d6cc41e6 |
659 | return 0; |
660 | } |
661 | |
65857773 |
662 | char *ssh_sftp_get_cmdline(char *prompt, int no_fds_ok) |
39934deb |
663 | { |
664 | int ret; |
665 | struct command_read_ctx actx, *ctx = &actx; |
666 | DWORD threadid; |
667 | |
668 | fputs(prompt, stdout); |
669 | fflush(stdout); |
670 | |
65857773 |
671 | if ((sftp_ssh_socket == INVALID_SOCKET && no_fds_ok) || |
672 | p_WSAEventSelect == NULL) { |
39934deb |
673 | return fgetline(stdin); /* very simple */ |
674 | } |
675 | |
676 | /* |
677 | * Create a second thread to read from stdin. Process network |
678 | * and timing events until it terminates. |
679 | */ |
680 | ctx->event = CreateEvent(NULL, FALSE, FALSE, NULL); |
681 | ctx->line = NULL; |
682 | |
683 | if (!CreateThread(NULL, 0, command_read_thread, |
684 | ctx, 0, &threadid)) { |
685 | fprintf(stderr, "Unable to create command input thread\n"); |
686 | cleanup_exit(1); |
687 | } |
688 | |
689 | do { |
690 | ret = do_eventsel_loop(ctx->event); |
691 | |
692 | /* Error return can only occur if netevent==NULL, and it ain't. */ |
693 | assert(ret >= 0); |
694 | } while (ret == 0); |
695 | |
696 | return ctx->line; |
697 | } |
698 | |
799dfcfa |
699 | /* ---------------------------------------------------------------------- |
d6cc41e6 |
700 | * Main program. Parse arguments etc. |
701 | */ |
702 | int main(int argc, char *argv[]) |
703 | { |
704 | int ret; |
705 | |
d6cc41e6 |
706 | ret = psftp_main(argc, argv); |
d6cc41e6 |
707 | |
708 | return ret; |
709 | } |