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" |
1af5ad55 |
9 | #include "ssh.h" |
0ac1920c |
10 | #include "int64.h" |
c6ccd5c2 |
11 | |
12 | char *get_ttymode(void *frontend, const char *mode) { return NULL; } |
edd0cb8a |
13 | |
14 | int get_userpass_input(prompts_t *p, unsigned char *in, int inlen) |
15 | { |
16 | int ret; |
17 | ret = cmdline_get_passwd_input(p, in, inlen); |
18 | if (ret == -1) |
19 | ret = console_get_userpass_input(p, in, inlen); |
20 | return ret; |
21 | } |
d6cc41e6 |
22 | |
8def70c3 |
23 | void platform_get_x11_auth(struct X11Display *display, const Config *cfg) |
24 | { |
25 | /* Do nothing, therefore no auth. */ |
26 | } |
27 | const int platform_uses_x11_unix_by_default = TRUE; |
28 | |
799dfcfa |
29 | /* ---------------------------------------------------------------------- |
30 | * File access abstraction. |
31 | */ |
32 | |
d6cc41e6 |
33 | /* |
34 | * Set local current directory. Returns NULL on success, or else an |
35 | * error message which must be freed after printing. |
36 | */ |
37 | char *psftp_lcd(char *dir) |
38 | { |
39 | char *ret = NULL; |
40 | |
41 | if (!SetCurrentDirectory(dir)) { |
42 | LPVOID message; |
43 | int i; |
44 | FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | |
45 | FORMAT_MESSAGE_FROM_SYSTEM | |
46 | FORMAT_MESSAGE_IGNORE_INSERTS, |
47 | NULL, GetLastError(), |
48 | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
49 | (LPTSTR)&message, 0, NULL); |
50 | i = strcspn((char *)message, "\n"); |
51 | ret = dupprintf("%.*s", i, (LPCTSTR)message); |
52 | LocalFree(message); |
53 | } |
54 | |
55 | return ret; |
56 | } |
57 | |
58 | /* |
59 | * Get local current directory. Returns a string which must be |
60 | * freed. |
61 | */ |
62 | char *psftp_getcwd(void) |
63 | { |
64 | char *ret = snewn(256, char); |
65 | int len = GetCurrentDirectory(256, ret); |
66 | if (len > 256) |
67 | ret = sresize(ret, len, char); |
68 | GetCurrentDirectory(len, ret); |
69 | return ret; |
70 | } |
71 | |
2763b64b |
72 | #define TIME_POSIX_TO_WIN(t, ft) do { \ |
73 | ULARGE_INTEGER uli; \ |
74 | uli.QuadPart = ((ULONGLONG)(t) + 11644473600ull) * 10000000ull; \ |
75 | (ft).dwLowDateTime = uli.LowPart; \ |
76 | (ft).dwHighDateTime = uli.HighPart; \ |
77 | } while(0) |
78 | #define TIME_WIN_TO_POSIX(ft, t) do { \ |
79 | ULARGE_INTEGER uli; \ |
80 | uli.LowPart = (ft).dwLowDateTime; \ |
81 | uli.HighPart = (ft).dwHighDateTime; \ |
82 | uli.QuadPart = uli.QuadPart / 10000000ull - 11644473600ull; \ |
83 | (t) = (unsigned long) uli.QuadPart; \ |
84 | } while(0) |
799dfcfa |
85 | |
86 | struct RFile { |
87 | HANDLE h; |
88 | }; |
89 | |
0ac1920c |
90 | RFile *open_existing_file(char *name, uint64 *size, |
799dfcfa |
91 | unsigned long *mtime, unsigned long *atime) |
92 | { |
93 | HANDLE h; |
94 | RFile *ret; |
95 | |
96 | h = CreateFile(name, GENERIC_READ, FILE_SHARE_READ, NULL, |
97 | OPEN_EXISTING, 0, 0); |
98 | if (h == INVALID_HANDLE_VALUE) |
99 | return NULL; |
100 | |
101 | ret = snew(RFile); |
102 | ret->h = h; |
103 | |
104 | if (size) |
0ac1920c |
105 | size->lo=GetFileSize(h, &(size->hi)); |
799dfcfa |
106 | |
107 | if (mtime || atime) { |
108 | FILETIME actime, wrtime; |
109 | GetFileTime(h, NULL, &actime, &wrtime); |
110 | if (atime) |
111 | TIME_WIN_TO_POSIX(actime, *atime); |
112 | if (mtime) |
113 | TIME_WIN_TO_POSIX(wrtime, *mtime); |
114 | } |
115 | |
116 | return ret; |
117 | } |
118 | |
119 | int read_from_file(RFile *f, void *buffer, int length) |
120 | { |
1af5ad55 |
121 | int ret; |
122 | DWORD read; |
799dfcfa |
123 | ret = ReadFile(f->h, buffer, length, &read, NULL); |
124 | if (!ret) |
125 | return -1; /* error */ |
126 | else |
127 | return read; |
128 | } |
129 | |
130 | void close_rfile(RFile *f) |
131 | { |
132 | CloseHandle(f->h); |
133 | sfree(f); |
134 | } |
135 | |
136 | struct WFile { |
137 | HANDLE h; |
138 | }; |
139 | |
140 | WFile *open_new_file(char *name) |
141 | { |
142 | HANDLE h; |
143 | WFile *ret; |
144 | |
145 | h = CreateFile(name, GENERIC_WRITE, 0, NULL, |
146 | CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); |
147 | if (h == INVALID_HANDLE_VALUE) |
148 | return NULL; |
149 | |
150 | ret = snew(WFile); |
151 | ret->h = h; |
152 | |
153 | return ret; |
154 | } |
155 | |
0ac1920c |
156 | WFile *open_existing_wfile(char *name, uint64 *size) |
157 | { |
158 | HANDLE h; |
159 | WFile *ret; |
160 | |
161 | h = CreateFile(name, GENERIC_WRITE, FILE_SHARE_READ, NULL, |
162 | OPEN_EXISTING, 0, 0); |
163 | if (h == INVALID_HANDLE_VALUE) |
164 | return NULL; |
165 | |
166 | ret = snew(WFile); |
167 | ret->h = h; |
168 | |
169 | if (size) |
170 | size->lo=GetFileSize(h, &(size->hi)); |
171 | |
172 | return ret; |
173 | } |
174 | |
799dfcfa |
175 | int write_to_file(WFile *f, void *buffer, int length) |
176 | { |
1af5ad55 |
177 | int ret; |
178 | DWORD written; |
799dfcfa |
179 | ret = WriteFile(f->h, buffer, length, &written, NULL); |
180 | if (!ret) |
181 | return -1; /* error */ |
182 | else |
183 | return written; |
184 | } |
185 | |
186 | void set_file_times(WFile *f, unsigned long mtime, unsigned long atime) |
187 | { |
188 | FILETIME actime, wrtime; |
189 | TIME_POSIX_TO_WIN(atime, actime); |
190 | TIME_POSIX_TO_WIN(mtime, wrtime); |
191 | SetFileTime(f->h, NULL, &actime, &wrtime); |
192 | } |
193 | |
194 | void close_wfile(WFile *f) |
195 | { |
196 | CloseHandle(f->h); |
197 | sfree(f); |
198 | } |
199 | |
0ac1920c |
200 | /* Seek offset bytes through file, from whence, where whence is |
201 | FROM_START, FROM_CURRENT, or FROM_END */ |
202 | int seek_file(WFile *f, uint64 offset, int whence) |
203 | { |
204 | DWORD movemethod; |
205 | |
206 | switch (whence) { |
207 | case FROM_START: |
208 | movemethod = FILE_BEGIN; |
209 | break; |
210 | case FROM_CURRENT: |
211 | movemethod = FILE_CURRENT; |
212 | break; |
213 | case FROM_END: |
214 | movemethod = FILE_END; |
215 | break; |
216 | default: |
217 | return -1; |
218 | } |
219 | |
220 | SetFilePointer(f->h, offset.lo, &(offset.hi), movemethod); |
221 | |
222 | if (GetLastError() != NO_ERROR) |
223 | return -1; |
224 | else |
225 | return 0; |
226 | } |
227 | |
228 | uint64 get_file_posn(WFile *f) |
229 | { |
230 | uint64 ret; |
231 | |
232 | ret.hi = 0L; |
233 | ret.lo = SetFilePointer(f->h, 0L, &(ret.hi), FILE_CURRENT); |
234 | |
235 | return ret; |
236 | } |
237 | |
799dfcfa |
238 | int file_type(char *name) |
239 | { |
240 | DWORD attr; |
241 | attr = GetFileAttributes(name); |
242 | /* We know of no `weird' files under Windows. */ |
243 | if (attr == (DWORD)-1) |
244 | return FILE_TYPE_NONEXISTENT; |
245 | else if (attr & FILE_ATTRIBUTE_DIRECTORY) |
246 | return FILE_TYPE_DIRECTORY; |
247 | else |
248 | return FILE_TYPE_FILE; |
249 | } |
250 | |
251 | struct DirHandle { |
252 | HANDLE h; |
253 | char *name; |
254 | }; |
255 | |
256 | DirHandle *open_directory(char *name) |
257 | { |
258 | HANDLE h; |
259 | WIN32_FIND_DATA fdat; |
260 | char *findfile; |
261 | DirHandle *ret; |
262 | |
8f0ebed4 |
263 | /* Enumerate files in dir `foo'. */ |
799dfcfa |
264 | findfile = dupcat(name, "/*", NULL); |
265 | h = FindFirstFile(findfile, &fdat); |
266 | if (h == INVALID_HANDLE_VALUE) |
267 | return NULL; |
8c7d710c |
268 | sfree(findfile); |
799dfcfa |
269 | |
270 | ret = snew(DirHandle); |
271 | ret->h = h; |
272 | ret->name = dupstr(fdat.cFileName); |
273 | return ret; |
274 | } |
275 | |
276 | char *read_filename(DirHandle *dir) |
277 | { |
b0e15bb5 |
278 | do { |
279 | |
280 | if (!dir->name) { |
281 | WIN32_FIND_DATA fdat; |
282 | int ok = FindNextFile(dir->h, &fdat); |
283 | if (!ok) |
284 | return NULL; |
285 | else |
286 | dir->name = dupstr(fdat.cFileName); |
287 | } |
288 | |
289 | assert(dir->name); |
290 | if (dir->name[0] == '.' && |
291 | (dir->name[1] == '\0' || |
292 | (dir->name[1] == '.' && dir->name[2] == '\0'))) { |
293 | sfree(dir->name); |
8c7d710c |
294 | dir->name = NULL; |
b0e15bb5 |
295 | } |
296 | |
297 | } while (!dir->name); |
799dfcfa |
298 | |
299 | if (dir->name) { |
300 | char *ret = dir->name; |
301 | dir->name = NULL; |
302 | return ret; |
303 | } else |
304 | return NULL; |
305 | } |
306 | |
307 | void close_directory(DirHandle *dir) |
308 | { |
309 | FindClose(dir->h); |
310 | if (dir->name) |
311 | sfree(dir->name); |
312 | sfree(dir); |
313 | } |
314 | |
315 | int test_wildcard(char *name, int cmdline) |
316 | { |
317 | HANDLE fh; |
318 | WIN32_FIND_DATA fdat; |
319 | |
320 | /* First see if the exact name exists. */ |
321 | if (GetFileAttributes(name) != (DWORD)-1) |
322 | return WCTYPE_FILENAME; |
323 | |
324 | /* Otherwise see if a wildcard match finds anything. */ |
325 | fh = FindFirstFile(name, &fdat); |
326 | if (fh == INVALID_HANDLE_VALUE) |
327 | return WCTYPE_NONEXISTENT; |
328 | |
329 | FindClose(fh); |
330 | return WCTYPE_WILDCARD; |
331 | } |
332 | |
333 | struct WildcardMatcher { |
334 | HANDLE h; |
335 | char *name; |
336 | char *srcpath; |
337 | }; |
338 | |
339 | /* |
340 | * Return a pointer to the portion of str that comes after the last |
341 | * slash (or backslash or colon, if `local' is TRUE). |
342 | */ |
343 | static char *stripslashes(char *str, int local) |
344 | { |
345 | char *p; |
346 | |
347 | if (local) { |
348 | p = strchr(str, ':'); |
349 | if (p) str = p+1; |
350 | } |
351 | |
352 | p = strrchr(str, '/'); |
353 | if (p) str = p+1; |
354 | |
355 | if (local) { |
356 | p = strrchr(str, '\\'); |
357 | if (p) str = p+1; |
358 | } |
359 | |
360 | return str; |
361 | } |
362 | |
363 | WildcardMatcher *begin_wildcard_matching(char *name) |
364 | { |
365 | HANDLE h; |
366 | WIN32_FIND_DATA fdat; |
367 | WildcardMatcher *ret; |
368 | char *last; |
369 | |
370 | h = FindFirstFile(name, &fdat); |
371 | if (h == INVALID_HANDLE_VALUE) |
372 | return NULL; |
373 | |
374 | ret = snew(WildcardMatcher); |
375 | ret->h = h; |
376 | ret->srcpath = dupstr(name); |
377 | last = stripslashes(ret->srcpath, 1); |
378 | *last = '\0'; |
379 | if (fdat.cFileName[0] == '.' && |
380 | (fdat.cFileName[1] == '\0' || |
381 | (fdat.cFileName[1] == '.' && fdat.cFileName[2] == '\0'))) |
382 | ret->name = NULL; |
383 | else |
384 | ret->name = dupcat(ret->srcpath, fdat.cFileName, NULL); |
385 | |
386 | return ret; |
387 | } |
388 | |
389 | char *wildcard_get_filename(WildcardMatcher *dir) |
390 | { |
391 | while (!dir->name) { |
392 | WIN32_FIND_DATA fdat; |
393 | int ok = FindNextFile(dir->h, &fdat); |
394 | |
395 | if (!ok) |
396 | return NULL; |
397 | |
398 | if (fdat.cFileName[0] == '.' && |
399 | (fdat.cFileName[1] == '\0' || |
400 | (fdat.cFileName[1] == '.' && fdat.cFileName[2] == '\0'))) |
401 | dir->name = NULL; |
402 | else |
403 | dir->name = dupcat(dir->srcpath, fdat.cFileName, NULL); |
404 | } |
405 | |
406 | if (dir->name) { |
407 | char *ret = dir->name; |
408 | dir->name = NULL; |
409 | return ret; |
410 | } else |
411 | return NULL; |
412 | } |
413 | |
414 | void finish_wildcard_matching(WildcardMatcher *dir) |
415 | { |
416 | FindClose(dir->h); |
417 | if (dir->name) |
418 | sfree(dir->name); |
419 | sfree(dir->srcpath); |
420 | sfree(dir); |
421 | } |
422 | |
e9d14678 |
423 | int vet_filename(char *name) |
424 | { |
425 | if (strchr(name, '/') || strchr(name, '\\') || strchr(name, ':')) |
426 | return FALSE; |
427 | |
428 | if (!name[strspn(name, ".")]) /* entirely composed of dots */ |
429 | return FALSE; |
430 | |
431 | return TRUE; |
432 | } |
433 | |
799dfcfa |
434 | int create_directory(char *name) |
435 | { |
436 | return CreateDirectory(name, NULL) != 0; |
437 | } |
438 | |
8c7d710c |
439 | char *dir_file_cat(char *dir, char *file) |
440 | { |
441 | return dupcat(dir, "\\", file, NULL); |
442 | } |
443 | |
799dfcfa |
444 | /* ---------------------------------------------------------------------- |
445 | * Platform-specific network handling. |
446 | */ |
447 | |
448 | /* |
449 | * Be told what socket we're supposed to be using. |
450 | */ |
65857773 |
451 | static SOCKET sftp_ssh_socket = INVALID_SOCKET; |
4a0b6d61 |
452 | static HANDLE netevent = INVALID_HANDLE_VALUE; |
799dfcfa |
453 | char *do_select(SOCKET skt, int startup) |
454 | { |
39934deb |
455 | int events; |
799dfcfa |
456 | if (startup) |
457 | sftp_ssh_socket = skt; |
458 | else |
459 | sftp_ssh_socket = INVALID_SOCKET; |
39934deb |
460 | |
461 | if (p_WSAEventSelect) { |
462 | if (startup) { |
463 | events = (FD_CONNECT | FD_READ | FD_WRITE | |
464 | FD_OOB | FD_CLOSE | FD_ACCEPT); |
465 | netevent = CreateEvent(NULL, FALSE, FALSE, NULL); |
466 | } else { |
467 | events = 0; |
468 | } |
469 | if (p_WSAEventSelect(skt, netevent, events) == SOCKET_ERROR) { |
470 | switch (p_WSAGetLastError()) { |
471 | case WSAENETDOWN: |
472 | return "Network is down"; |
473 | default: |
474 | return "WSAEventSelect(): unknown error"; |
475 | } |
476 | } |
477 | } |
799dfcfa |
478 | return NULL; |
479 | } |
480 | extern int select_result(WPARAM, LPARAM); |
481 | |
39934deb |
482 | int do_eventsel_loop(HANDLE other_event) |
483 | { |
fbe6468e |
484 | int n, nhandles, nallhandles, netindex, otherindex; |
39934deb |
485 | long next, ticks; |
34292b1d |
486 | HANDLE *handles; |
39934deb |
487 | SOCKET *sklist; |
488 | int skcount; |
489 | long now = GETTICKCOUNT(); |
490 | |
fbe6468e |
491 | if (run_timers(now, &next)) { |
492 | ticks = next - GETTICKCOUNT(); |
493 | if (ticks < 0) ticks = 0; /* just in case */ |
494 | } else { |
495 | ticks = INFINITE; |
39934deb |
496 | } |
497 | |
34292b1d |
498 | handles = handle_get_events(&nhandles); |
499 | handles = sresize(handles, nhandles+2, HANDLE); |
500 | nallhandles = nhandles; |
501 | |
4a0b6d61 |
502 | if (netevent != INVALID_HANDLE_VALUE) |
fbe6468e |
503 | handles[netindex = nallhandles++] = netevent; |
504 | else |
505 | netindex = -1; |
4a0b6d61 |
506 | if (other_event != INVALID_HANDLE_VALUE) |
fbe6468e |
507 | handles[otherindex = nallhandles++] = other_event; |
508 | else |
509 | otherindex = -1; |
39934deb |
510 | |
4d6848ce |
511 | n = WaitForMultipleObjects(nallhandles, handles, FALSE, ticks); |
39934deb |
512 | |
34292b1d |
513 | if ((unsigned)(n - WAIT_OBJECT_0) < (unsigned)nhandles) { |
514 | handle_got_event(handles[n - WAIT_OBJECT_0]); |
fbe6468e |
515 | } else if (netindex >= 0 && n == WAIT_OBJECT_0 + netindex) { |
39934deb |
516 | WSANETWORKEVENTS things; |
517 | SOCKET socket; |
518 | extern SOCKET first_socket(int *), next_socket(int *); |
519 | extern int select_result(WPARAM, LPARAM); |
520 | int i, socketstate; |
521 | |
522 | /* |
523 | * We must not call select_result() for any socket |
524 | * until we have finished enumerating within the |
525 | * tree. This is because select_result() may close |
526 | * the socket and modify the tree. |
527 | */ |
528 | /* Count the active sockets. */ |
529 | i = 0; |
530 | for (socket = first_socket(&socketstate); |
531 | socket != INVALID_SOCKET; |
532 | socket = next_socket(&socketstate)) i++; |
533 | |
534 | /* Expand the buffer if necessary. */ |
535 | sklist = snewn(i, SOCKET); |
536 | |
537 | /* Retrieve the sockets into sklist. */ |
538 | skcount = 0; |
539 | for (socket = first_socket(&socketstate); |
540 | socket != INVALID_SOCKET; |
541 | socket = next_socket(&socketstate)) { |
542 | sklist[skcount++] = socket; |
543 | } |
544 | |
545 | /* Now we're done enumerating; go through the list. */ |
546 | for (i = 0; i < skcount; i++) { |
547 | WPARAM wp; |
548 | socket = sklist[i]; |
549 | wp = (WPARAM) socket; |
550 | if (!p_WSAEnumNetworkEvents(socket, NULL, &things)) { |
551 | static const struct { int bit, mask; } eventtypes[] = { |
552 | {FD_CONNECT_BIT, FD_CONNECT}, |
553 | {FD_READ_BIT, FD_READ}, |
554 | {FD_CLOSE_BIT, FD_CLOSE}, |
555 | {FD_OOB_BIT, FD_OOB}, |
556 | {FD_WRITE_BIT, FD_WRITE}, |
557 | {FD_ACCEPT_BIT, FD_ACCEPT}, |
558 | }; |
559 | int e; |
560 | |
561 | noise_ultralight(socket); |
562 | noise_ultralight(things.lNetworkEvents); |
563 | |
564 | for (e = 0; e < lenof(eventtypes); e++) |
565 | if (things.lNetworkEvents & eventtypes[e].mask) { |
566 | LPARAM lp; |
567 | int err = things.iErrorCode[eventtypes[e].bit]; |
568 | lp = WSAMAKESELECTREPLY(eventtypes[e].mask, err); |
569 | select_result(wp, lp); |
570 | } |
571 | } |
572 | } |
573 | |
574 | sfree(sklist); |
575 | } |
576 | |
34292b1d |
577 | sfree(handles); |
578 | |
39934deb |
579 | if (n == WAIT_TIMEOUT) { |
580 | now = next; |
581 | } else { |
582 | now = GETTICKCOUNT(); |
583 | } |
584 | |
fbe6468e |
585 | if (otherindex >= 0 && n == WAIT_OBJECT_0 + otherindex) |
39934deb |
586 | return 1; |
587 | |
588 | return 0; |
589 | } |
590 | |
799dfcfa |
591 | /* |
d6cc41e6 |
592 | * Wait for some network data and process it. |
39934deb |
593 | * |
594 | * We have two variants of this function. One uses select() so that |
595 | * it's compatible with WinSock 1. The other uses WSAEventSelect |
596 | * and MsgWaitForMultipleObjects, so that we can consistently use |
597 | * WSAEventSelect throughout; this enables us to also implement |
598 | * ssh_sftp_get_cmdline() using a parallel mechanism. |
d6cc41e6 |
599 | */ |
600 | int ssh_sftp_loop_iteration(void) |
601 | { |
39934deb |
602 | if (p_WSAEventSelect == NULL) { |
603 | fd_set readfds; |
604 | int ret; |
605 | long now = GETTICKCOUNT(); |
606 | |
fbe6468e |
607 | if (sftp_ssh_socket == INVALID_SOCKET) |
608 | return -1; /* doom */ |
609 | |
39934deb |
610 | if (socket_writable(sftp_ssh_socket)) |
611 | select_result((WPARAM) sftp_ssh_socket, (LPARAM) FD_WRITE); |
612 | |
613 | do { |
614 | long next, ticks; |
615 | struct timeval tv, *ptv; |
616 | |
617 | if (run_timers(now, &next)) { |
618 | ticks = next - GETTICKCOUNT(); |
619 | if (ticks <= 0) |
620 | ticks = 1; /* just in case */ |
621 | tv.tv_sec = ticks / 1000; |
622 | tv.tv_usec = ticks % 1000 * 1000; |
623 | ptv = &tv; |
624 | } else { |
625 | ptv = NULL; |
626 | } |
627 | |
628 | FD_ZERO(&readfds); |
629 | FD_SET(sftp_ssh_socket, &readfds); |
630 | ret = p_select(1, &readfds, NULL, NULL, ptv); |
631 | |
632 | if (ret < 0) |
633 | return -1; /* doom */ |
634 | else if (ret == 0) |
635 | now = next; |
636 | else |
637 | now = GETTICKCOUNT(); |
638 | |
639 | } while (ret == 0); |
640 | |
641 | select_result((WPARAM) sftp_ssh_socket, (LPARAM) FD_READ); |
642 | |
643 | return 0; |
644 | } else { |
4a0b6d61 |
645 | return do_eventsel_loop(INVALID_HANDLE_VALUE); |
39934deb |
646 | } |
647 | } |
648 | |
649 | /* |
650 | * Read a command line from standard input. |
651 | * |
652 | * In the presence of WinSock 2, we can use WSAEventSelect to |
653 | * mediate between the socket and stdin, meaning we can send |
654 | * keepalives and respond to server events even while waiting at |
655 | * the PSFTP command prompt. Without WS2, we fall back to a simple |
656 | * fgets. |
657 | */ |
658 | struct command_read_ctx { |
659 | HANDLE event; |
660 | char *line; |
661 | }; |
662 | |
663 | static DWORD WINAPI command_read_thread(void *param) |
664 | { |
665 | struct command_read_ctx *ctx = (struct command_read_ctx *) param; |
666 | |
667 | ctx->line = fgetline(stdin); |
668 | |
669 | SetEvent(ctx->event); |
d6cc41e6 |
670 | |
d6cc41e6 |
671 | return 0; |
672 | } |
673 | |
65857773 |
674 | char *ssh_sftp_get_cmdline(char *prompt, int no_fds_ok) |
39934deb |
675 | { |
676 | int ret; |
677 | struct command_read_ctx actx, *ctx = &actx; |
678 | DWORD threadid; |
679 | |
680 | fputs(prompt, stdout); |
681 | fflush(stdout); |
682 | |
65857773 |
683 | if ((sftp_ssh_socket == INVALID_SOCKET && no_fds_ok) || |
684 | p_WSAEventSelect == NULL) { |
39934deb |
685 | return fgetline(stdin); /* very simple */ |
686 | } |
687 | |
688 | /* |
689 | * Create a second thread to read from stdin. Process network |
690 | * and timing events until it terminates. |
691 | */ |
692 | ctx->event = CreateEvent(NULL, FALSE, FALSE, NULL); |
693 | ctx->line = NULL; |
694 | |
695 | if (!CreateThread(NULL, 0, command_read_thread, |
696 | ctx, 0, &threadid)) { |
697 | fprintf(stderr, "Unable to create command input thread\n"); |
698 | cleanup_exit(1); |
699 | } |
700 | |
701 | do { |
702 | ret = do_eventsel_loop(ctx->event); |
703 | |
704 | /* Error return can only occur if netevent==NULL, and it ain't. */ |
705 | assert(ret >= 0); |
706 | } while (ret == 0); |
707 | |
708 | return ctx->line; |
709 | } |
710 | |
799dfcfa |
711 | /* ---------------------------------------------------------------------- |
d6cc41e6 |
712 | * Main program. Parse arguments etc. |
713 | */ |
714 | int main(int argc, char *argv[]) |
715 | { |
716 | int ret; |
717 | |
d6cc41e6 |
718 | ret = psftp_main(argc, argv); |
d6cc41e6 |
719 | |
720 | return ret; |
721 | } |