12dc4ec0 |
1 | /* |
2 | * PLink - a command-line (stdin/stdout) variant of PuTTY. |
3 | */ |
4 | |
4d331a77 |
5 | #ifndef AUTO_WINSOCK |
12dc4ec0 |
6 | #include <winsock2.h> |
4d331a77 |
7 | #endif |
12dc4ec0 |
8 | #include <windows.h> |
9 | #include <stdio.h> |
49bad831 |
10 | #include <stdlib.h> |
12dc4ec0 |
11 | #include <stdarg.h> |
12 | |
13 | #define PUTTY_DO_GLOBALS /* actually _define_ globals */ |
14 | #include "putty.h" |
a9422f39 |
15 | #include "storage.h" |
8df7a775 |
16 | #include "tree234.h" |
12dc4ec0 |
17 | |
18 | void fatalbox (char *p, ...) { |
19 | va_list ap; |
49bad831 |
20 | fprintf(stderr, "FATAL ERROR: "); |
12dc4ec0 |
21 | va_start(ap, p); |
22 | vfprintf(stderr, p, ap); |
23 | va_end(ap); |
24 | fputc('\n', stderr); |
25 | WSACleanup(); |
26 | exit(1); |
27 | } |
8d5de777 |
28 | void connection_fatal (char *p, ...) { |
29 | va_list ap; |
49bad831 |
30 | fprintf(stderr, "FATAL ERROR: "); |
8d5de777 |
31 | va_start(ap, p); |
32 | vfprintf(stderr, p, ap); |
33 | va_end(ap); |
34 | fputc('\n', stderr); |
35 | WSACleanup(); |
36 | exit(1); |
37 | } |
12dc4ec0 |
38 | |
d8426c54 |
39 | static char *password = NULL; |
40 | |
a9422f39 |
41 | void logevent(char *string) { } |
42 | |
43 | void verify_ssh_host_key(char *host, int port, char *keytype, |
44 | char *keystr, char *fingerprint) { |
45 | int ret; |
fcbb94d3 |
46 | HANDLE hin; |
47 | DWORD savemode, i; |
a9422f39 |
48 | |
49 | static const char absentmsg[] = |
50 | "The server's host key is not cached in the registry. You\n" |
51 | "have no guarantee that the server is the computer you\n" |
52 | "think it is.\n" |
53 | "The server's key fingerprint is:\n" |
54 | "%s\n" |
55 | "If you trust this host, enter \"y\" to add the key to\n" |
56 | "PuTTY's cache and carry on connecting.\n" |
57 | "If you do not trust this host, enter \"n\" to abandon the\n" |
58 | "connection.\n" |
59 | "Continue connecting? (y/n) "; |
60 | |
61 | static const char wrongmsg[] = |
62 | "WARNING - POTENTIAL SECURITY BREACH!\n" |
63 | "The server's host key does not match the one PuTTY has\n" |
64 | "cached in the registry. This means that either the\n" |
65 | "server administrator has changed the host key, or you\n" |
66 | "have actually connected to another computer pretending\n" |
67 | "to be the server.\n" |
68 | "The new key fingerprint is:\n" |
69 | "%s\n" |
70 | "If you were expecting this change and trust the new key,\n" |
71 | "enter \"y\" to update PuTTY's cache and continue connecting.\n" |
72 | "If you want to carry on connecting but without updating\n" |
73 | "the cache, enter \"n\".\n" |
74 | "If you want to abandon the connection completely, press\n" |
75 | "Return to cancel. Pressing Return is the ONLY guaranteed\n" |
76 | "safe choice.\n" |
77 | "Update cached key? (y/n, Return cancels connection) "; |
78 | |
79 | static const char abandoned[] = "Connection abandoned.\n"; |
80 | |
81 | char line[32]; |
82 | |
83 | /* |
84 | * Verify the key against the registry. |
85 | */ |
86 | ret = verify_host_key(host, port, keytype, keystr); |
87 | |
88 | if (ret == 0) /* success - key matched OK */ |
89 | return; |
fcbb94d3 |
90 | |
91 | if (ret == 2) /* key was different */ |
a9422f39 |
92 | fprintf(stderr, wrongmsg, fingerprint); |
fcbb94d3 |
93 | if (ret == 1) /* key was absent */ |
94 | fprintf(stderr, absentmsg, fingerprint); |
95 | |
96 | hin = GetStdHandle(STD_INPUT_HANDLE); |
97 | GetConsoleMode(hin, &savemode); |
98 | SetConsoleMode(hin, (savemode | ENABLE_ECHO_INPUT | |
99 | ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT)); |
100 | ReadFile(hin, line, sizeof(line)-1, &i, NULL); |
101 | SetConsoleMode(hin, savemode); |
102 | |
103 | if (ret == 2) { /* key was different */ |
104 | if (line[0] != '\0' && line[0] != '\r' && line[0] != '\n') { |
a9422f39 |
105 | if (line[0] == 'y' || line[0] == 'Y') |
106 | store_host_key(host, port, keytype, keystr); |
107 | } else { |
108 | fprintf(stderr, abandoned); |
109 | exit(0); |
110 | } |
111 | } |
112 | if (ret == 1) { /* key was absent */ |
fcbb94d3 |
113 | if (line[0] == 'y' || line[0] == 'Y') |
a9422f39 |
114 | store_host_key(host, port, keytype, keystr); |
115 | else { |
116 | fprintf(stderr, abandoned); |
117 | exit(0); |
118 | } |
119 | } |
120 | } |
989b10e9 |
121 | |
fe50e814 |
122 | HANDLE outhandle, errhandle; |
6f34e365 |
123 | DWORD orig_console_mode; |
124 | |
8df7a775 |
125 | WSAEVENT netevent; |
126 | |
6f34e365 |
127 | void begin_session(void) { |
128 | if (!cfg.ldisc_term) |
129 | SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), ENABLE_PROCESSED_INPUT); |
130 | else |
131 | SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), orig_console_mode); |
132 | } |
12dc4ec0 |
133 | |
fe50e814 |
134 | void from_backend(int is_stderr, char *data, int len) { |
135 | int pos; |
12dc4ec0 |
136 | DWORD ret; |
fe50e814 |
137 | HANDLE h = (is_stderr ? errhandle : outhandle); |
138 | |
139 | pos = 0; |
140 | while (pos < len) { |
141 | if (!WriteFile(h, data+pos, len-pos, &ret, NULL)) |
12dc4ec0 |
142 | return; /* give up in panic */ |
fe50e814 |
143 | pos += ret; |
12dc4ec0 |
144 | } |
12dc4ec0 |
145 | } |
146 | |
147 | struct input_data { |
148 | DWORD len; |
149 | char buffer[4096]; |
8df7a775 |
150 | HANDLE event, eventback; |
12dc4ec0 |
151 | }; |
152 | |
67779be7 |
153 | static int get_password(const char *prompt, char *str, int maxlen) |
154 | { |
155 | HANDLE hin, hout; |
156 | DWORD savemode, i; |
157 | |
67779be7 |
158 | if (password) { |
159 | static int tried_once = 0; |
160 | |
161 | if (tried_once) { |
162 | return 0; |
163 | } else { |
164 | strncpy(str, password, maxlen); |
165 | str[maxlen-1] = '\0'; |
166 | tried_once = 1; |
167 | return 1; |
168 | } |
169 | } |
67779be7 |
170 | |
171 | hin = GetStdHandle(STD_INPUT_HANDLE); |
172 | hout = GetStdHandle(STD_OUTPUT_HANDLE); |
173 | if (hin == INVALID_HANDLE_VALUE || hout == INVALID_HANDLE_VALUE) { |
174 | fprintf(stderr, "Cannot get standard input/output handles"); |
175 | return 0; |
176 | } |
177 | |
178 | GetConsoleMode(hin, &savemode); |
179 | SetConsoleMode(hin, (savemode & (~ENABLE_ECHO_INPUT)) | |
180 | ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT); |
181 | |
182 | WriteFile(hout, prompt, strlen(prompt), &i, NULL); |
183 | ReadFile(hin, str, maxlen-1, &i, NULL); |
184 | |
185 | SetConsoleMode(hin, savemode); |
186 | |
187 | if ((int)i > maxlen) i = maxlen-1; else i = i - 2; |
188 | str[i] = '\0'; |
189 | |
190 | WriteFile(hout, "\r\n", 2, &i, NULL); |
191 | |
192 | return 1; |
193 | } |
194 | |
6d2d5e8d |
195 | static DWORD WINAPI stdin_read_thread(void *param) { |
12dc4ec0 |
196 | struct input_data *idata = (struct input_data *)param; |
197 | HANDLE inhandle; |
198 | |
199 | inhandle = GetStdHandle(STD_INPUT_HANDLE); |
200 | |
201 | while (ReadFile(inhandle, idata->buffer, sizeof(idata->buffer), |
8df7a775 |
202 | &idata->len, NULL) && idata->len > 0) { |
12dc4ec0 |
203 | SetEvent(idata->event); |
8df7a775 |
204 | WaitForSingleObject(idata->eventback, INFINITE); |
12dc4ec0 |
205 | } |
206 | |
207 | idata->len = 0; |
208 | SetEvent(idata->event); |
209 | |
210 | return 0; |
211 | } |
212 | |
d8426c54 |
213 | /* |
214 | * Short description of parameters. |
215 | */ |
216 | static void usage(void) |
217 | { |
218 | printf("PuTTY Link: command-line connection utility\n"); |
219 | printf("%s\n", ver); |
220 | printf("Usage: plink [options] [user@]host [command]\n"); |
221 | printf("Options:\n"); |
222 | printf(" -v show verbose messages\n"); |
223 | printf(" -ssh force use of ssh protocol\n"); |
224 | printf(" -P port connect to specified port\n"); |
225 | printf(" -pw passw login with specified password\n"); |
226 | exit(1); |
227 | } |
228 | |
8df7a775 |
229 | char *do_select(SOCKET skt, int startup) { |
230 | int events; |
231 | if (startup) { |
232 | events = FD_READ | FD_WRITE | FD_OOB | FD_CLOSE; |
233 | } else { |
234 | events = 0; |
235 | } |
236 | if (WSAEventSelect (skt, netevent, events) == SOCKET_ERROR) { |
237 | switch (WSAGetLastError()) { |
238 | case WSAENETDOWN: return "Network is down"; |
239 | default: return "WSAAsyncSelect(): unknown error"; |
240 | } |
241 | } |
242 | return NULL; |
243 | } |
244 | |
12dc4ec0 |
245 | int main(int argc, char **argv) { |
246 | WSADATA wsadata; |
247 | WORD winsock_ver; |
8df7a775 |
248 | WSAEVENT stdinevent; |
12dc4ec0 |
249 | HANDLE handles[2]; |
12dc4ec0 |
250 | DWORD threadid; |
251 | struct input_data idata; |
252 | int sending; |
d8426c54 |
253 | int portnumber = -1; |
8df7a775 |
254 | SOCKET *sklist; |
255 | int skcount, sksize; |
256 | int connopen; |
12dc4ec0 |
257 | |
67779be7 |
258 | ssh_get_password = get_password; |
259 | |
8df7a775 |
260 | sklist = NULL; skcount = sksize = 0; |
261 | |
67779be7 |
262 | flags = FLAG_STDERR; |
12dc4ec0 |
263 | /* |
264 | * Process the command line. |
265 | */ |
a9422f39 |
266 | do_defaults(NULL, &cfg); |
e7a7383f |
267 | default_protocol = cfg.protocol; |
268 | default_port = cfg.port; |
8cb9c947 |
269 | { |
270 | /* |
271 | * Override the default protocol if PLINK_PROTOCOL is set. |
272 | */ |
273 | char *p = getenv("PLINK_PROTOCOL"); |
274 | int i; |
275 | if (p) { |
276 | for (i = 0; backends[i].backend != NULL; i++) { |
277 | if (!strcmp(backends[i].name, p)) { |
278 | default_protocol = cfg.protocol = backends[i].protocol; |
279 | default_port = cfg.port = backends[i].backend->default_port; |
280 | break; |
281 | } |
282 | } |
283 | } |
284 | } |
12dc4ec0 |
285 | while (--argc) { |
286 | char *p = *++argv; |
287 | if (*p == '-') { |
288 | if (!strcmp(p, "-ssh")) { |
289 | default_protocol = cfg.protocol = PROT_SSH; |
290 | default_port = cfg.port = 22; |
9d33ebdd |
291 | } else if (!strcmp(p, "-telnet")) { |
292 | default_protocol = cfg.protocol = PROT_TELNET; |
293 | default_port = cfg.port = 23; |
294 | } else if (!strcmp(p, "-raw")) { |
295 | default_protocol = cfg.protocol = PROT_RAW; |
67779be7 |
296 | } else if (!strcmp(p, "-v")) { |
297 | flags |= FLAG_VERBOSE; |
12dc4ec0 |
298 | } else if (!strcmp(p, "-log")) { |
299 | logfile = "putty.log"; |
d8426c54 |
300 | } else if (!strcmp(p, "-pw") && argc > 1) { |
301 | --argc, password = *++argv; |
e7a7383f |
302 | } else if (!strcmp(p, "-l") && argc > 1) { |
303 | char *username; |
304 | --argc, username = *++argv; |
305 | strncpy(cfg.username, username, sizeof(cfg.username)); |
306 | cfg.username[sizeof(cfg.username)-1] = '\0'; |
d8426c54 |
307 | } else if (!strcmp(p, "-P") && argc > 1) { |
308 | --argc, portnumber = atoi(*++argv); |
309 | } |
12dc4ec0 |
310 | } else if (*p) { |
311 | if (!*cfg.host) { |
312 | char *q = p; |
313 | /* |
314 | * If the hostname starts with "telnet:", set the |
315 | * protocol to Telnet and process the string as a |
316 | * Telnet URL. |
317 | */ |
318 | if (!strncmp(q, "telnet:", 7)) { |
319 | char c; |
320 | |
321 | q += 7; |
322 | if (q[0] == '/' && q[1] == '/') |
323 | q += 2; |
324 | cfg.protocol = PROT_TELNET; |
325 | p = q; |
326 | while (*p && *p != ':' && *p != '/') p++; |
327 | c = *p; |
328 | if (*p) |
329 | *p++ = '\0'; |
330 | if (c == ':') |
331 | cfg.port = atoi(p); |
332 | else |
333 | cfg.port = -1; |
334 | strncpy (cfg.host, q, sizeof(cfg.host)-1); |
335 | cfg.host[sizeof(cfg.host)-1] = '\0'; |
336 | } else { |
9d33ebdd |
337 | char *r; |
338 | /* |
339 | * Before we process the [user@]host string, we |
340 | * first check for the presence of a protocol |
341 | * prefix (a protocol name followed by ","). |
342 | */ |
343 | r = strchr(p, ','); |
344 | if (r) { |
345 | int i, j; |
346 | for (i = 0; backends[i].backend != NULL; i++) { |
347 | j = strlen(backends[i].name); |
348 | if (j == r-p && |
349 | !memcmp(backends[i].name, p, j)) { |
350 | default_protocol = cfg.protocol = backends[i].protocol; |
351 | portnumber = backends[i].backend->default_port; |
352 | p = r+1; |
353 | break; |
354 | } |
355 | } |
356 | } |
357 | |
12dc4ec0 |
358 | /* |
359 | * Three cases. Either (a) there's a nonzero |
360 | * length string followed by an @, in which |
361 | * case that's user and the remainder is host. |
362 | * Or (b) there's only one string, not counting |
363 | * a potential initial @, and it exists in the |
364 | * saved-sessions database. Or (c) only one |
365 | * string and it _doesn't_ exist in the |
366 | * database. |
367 | */ |
9d33ebdd |
368 | r = strrchr(p, '@'); |
12dc4ec0 |
369 | if (r == p) p++, r = NULL; /* discount initial @ */ |
370 | if (r == NULL) { |
371 | /* |
372 | * One string. |
373 | */ |
9c41b8ea |
374 | Config cfg2; |
375 | do_defaults (p, &cfg2); |
376 | if (cfg2.host[0] == '\0') { |
12dc4ec0 |
377 | /* No settings for this host; use defaults */ |
378 | strncpy(cfg.host, p, sizeof(cfg.host)-1); |
379 | cfg.host[sizeof(cfg.host)-1] = '\0'; |
380 | cfg.port = 22; |
9c41b8ea |
381 | } else |
382 | cfg = cfg2; |
12dc4ec0 |
383 | } else { |
384 | *r++ = '\0'; |
385 | strncpy(cfg.username, p, sizeof(cfg.username)-1); |
386 | cfg.username[sizeof(cfg.username)-1] = '\0'; |
387 | strncpy(cfg.host, r, sizeof(cfg.host)-1); |
388 | cfg.host[sizeof(cfg.host)-1] = '\0'; |
389 | cfg.port = 22; |
390 | } |
391 | } |
392 | } else { |
393 | int len = sizeof(cfg.remote_cmd) - 1; |
394 | char *cp = cfg.remote_cmd; |
395 | int len2; |
396 | |
397 | strncpy(cp, p, len); cp[len] = '\0'; |
398 | len2 = strlen(cp); len -= len2; cp += len2; |
399 | while (--argc) { |
400 | if (len > 0) |
401 | len--, *cp++ = ' '; |
402 | strncpy(cp, *++argv, len); cp[len] = '\0'; |
403 | len2 = strlen(cp); len -= len2; cp += len2; |
404 | } |
405 | cfg.nopty = TRUE; /* command => no terminal */ |
406 | cfg.ldisc_term = TRUE; /* use stdin like a line buffer */ |
407 | break; /* done with cmdline */ |
408 | } |
409 | } |
410 | } |
411 | |
d8426c54 |
412 | if (!*cfg.host) { |
413 | usage(); |
414 | } |
d8426c54 |
415 | |
67779be7 |
416 | if (!*cfg.remote_cmd) |
417 | flags |= FLAG_INTERACTIVE; |
418 | |
12dc4ec0 |
419 | /* |
420 | * Select protocol. This is farmed out into a table in a |
421 | * separate file to enable an ssh-free variant. |
422 | */ |
423 | { |
424 | int i; |
425 | back = NULL; |
426 | for (i = 0; backends[i].backend != NULL; i++) |
427 | if (backends[i].protocol == cfg.protocol) { |
428 | back = backends[i].backend; |
429 | break; |
430 | } |
431 | if (back == NULL) { |
432 | fprintf(stderr, "Internal fault: Unsupported protocol found\n"); |
433 | return 1; |
434 | } |
435 | } |
436 | |
437 | /* |
8cb9c947 |
438 | * Select port. |
439 | */ |
440 | if (portnumber != -1) |
441 | cfg.port = portnumber; |
442 | |
443 | /* |
12dc4ec0 |
444 | * Initialise WinSock. |
445 | */ |
446 | winsock_ver = MAKEWORD(2, 0); |
447 | if (WSAStartup(winsock_ver, &wsadata)) { |
448 | MessageBox(NULL, "Unable to initialise WinSock", "WinSock Error", |
449 | MB_OK | MB_ICONEXCLAMATION); |
450 | return 1; |
451 | } |
452 | if (LOBYTE(wsadata.wVersion) != 2 || HIBYTE(wsadata.wVersion) != 0) { |
453 | MessageBox(NULL, "WinSock version is incompatible with 2.0", |
454 | "WinSock Error", MB_OK | MB_ICONEXCLAMATION); |
455 | WSACleanup(); |
456 | return 1; |
457 | } |
8df7a775 |
458 | sk_init(); |
12dc4ec0 |
459 | |
460 | /* |
461 | * Start up the connection. |
462 | */ |
8df7a775 |
463 | netevent = CreateEvent(NULL, FALSE, FALSE, NULL); |
12dc4ec0 |
464 | { |
465 | char *error; |
466 | char *realhost; |
467 | |
8df7a775 |
468 | error = back->init (cfg.host, cfg.port, &realhost); |
12dc4ec0 |
469 | if (error) { |
470 | fprintf(stderr, "Unable to open connection:\n%s", error); |
471 | return 1; |
472 | } |
473 | } |
8df7a775 |
474 | connopen = 1; |
12dc4ec0 |
475 | |
12dc4ec0 |
476 | stdinevent = CreateEvent(NULL, FALSE, FALSE, NULL); |
477 | |
6f34e365 |
478 | GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &orig_console_mode); |
479 | SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), ENABLE_PROCESSED_INPUT); |
12dc4ec0 |
480 | outhandle = GetStdHandle(STD_OUTPUT_HANDLE); |
fe50e814 |
481 | errhandle = GetStdHandle(STD_ERROR_HANDLE); |
12dc4ec0 |
482 | |
483 | /* |
12dc4ec0 |
484 | * Turn off ECHO and LINE input modes. We don't care if this |
485 | * call fails, because we know we aren't necessarily running in |
486 | * a console. |
487 | */ |
12dc4ec0 |
488 | handles[0] = netevent; |
489 | handles[1] = stdinevent; |
490 | sending = FALSE; |
491 | while (1) { |
492 | int n; |
8cb9c947 |
493 | |
494 | if (!sending && back->sendok()) { |
495 | /* |
496 | * Create a separate thread to read from stdin. This is |
497 | * a total pain, but I can't find another way to do it: |
498 | * |
499 | * - an overlapped ReadFile or ReadFileEx just doesn't |
500 | * happen; we get failure from ReadFileEx, and |
501 | * ReadFile blocks despite being given an OVERLAPPED |
502 | * structure. Perhaps we can't do overlapped reads |
503 | * on consoles. WHY THE HELL NOT? |
504 | * |
505 | * - WaitForMultipleObjects(netevent, console) doesn't |
506 | * work, because it signals the console when |
507 | * _anything_ happens, including mouse motions and |
508 | * other things that don't cause data to be readable |
509 | * - so we're back to ReadFile blocking. |
510 | */ |
511 | idata.event = stdinevent; |
8df7a775 |
512 | idata.eventback = CreateEvent(NULL, FALSE, FALSE, NULL); |
8cb9c947 |
513 | if (!CreateThread(NULL, 0, stdin_read_thread, |
514 | &idata, 0, &threadid)) { |
515 | fprintf(stderr, "Unable to create second thread\n"); |
516 | exit(1); |
517 | } |
518 | sending = TRUE; |
519 | } |
520 | |
12dc4ec0 |
521 | n = WaitForMultipleObjects(2, handles, FALSE, INFINITE); |
522 | if (n == 0) { |
523 | WSANETWORKEVENTS things; |
8df7a775 |
524 | enum234 e; |
525 | SOCKET socket; |
526 | extern SOCKET first_socket(enum234 *), next_socket(enum234 *); |
527 | extern int select_result(WPARAM, LPARAM); |
528 | int i; |
529 | |
530 | /* |
531 | * We must not call select_result() for any socket |
532 | * until we have finished enumerating within the tree. |
533 | * This is because select_result() may close the socket |
534 | * and modify the tree. |
535 | */ |
536 | /* Count the active sockets. */ |
537 | i = 0; |
538 | for (socket = first_socket(&e); socket != INVALID_SOCKET; |
539 | socket = next_socket(&e)) |
540 | i++; |
541 | |
542 | /* Expand the buffer if necessary. */ |
543 | if (i > sksize) { |
544 | sksize = i+16; |
545 | sklist = srealloc(sklist, sksize * sizeof(*sklist)); |
546 | } |
547 | |
548 | /* Retrieve the sockets into sklist. */ |
549 | skcount = 0; |
550 | for (socket = first_socket(&e); socket != INVALID_SOCKET; |
551 | socket = next_socket(&e)) { |
552 | sklist[skcount++] = socket; |
12dc4ec0 |
553 | } |
8df7a775 |
554 | |
555 | /* Now we're done enumerating; go through the list. */ |
556 | for (i = 0; i < skcount; i++) { |
557 | WPARAM wp; |
558 | socket = sklist[i]; |
559 | wp = (WPARAM)socket; |
560 | if (!WSAEnumNetworkEvents(socket, netevent, &things)) { |
7d6ee6ff |
561 | noise_ultralight(socket); |
562 | noise_ultralight(things.lNetworkEvents); |
8df7a775 |
563 | if (things.lNetworkEvents & FD_READ) |
564 | connopen &= select_result(wp, (LPARAM)FD_READ); |
565 | if (things.lNetworkEvents & FD_CLOSE) |
566 | connopen &= select_result(wp, (LPARAM)FD_CLOSE); |
567 | if (things.lNetworkEvents & FD_OOB) |
568 | connopen &= select_result(wp, (LPARAM)FD_OOB); |
569 | if (things.lNetworkEvents & FD_WRITE) |
570 | connopen &= select_result(wp, (LPARAM)FD_WRITE); |
571 | } |
572 | } |
12dc4ec0 |
573 | } else if (n == 1) { |
7d6ee6ff |
574 | noise_ultralight(idata.len); |
12dc4ec0 |
575 | if (idata.len > 0) { |
576 | back->send(idata.buffer, idata.len); |
577 | } else { |
578 | back->special(TS_EOF); |
579 | } |
8df7a775 |
580 | SetEvent(idata.eventback); |
12dc4ec0 |
581 | } |
8df7a775 |
582 | if (!connopen || back->socket() == NULL) |
cf6e59d6 |
583 | break; /* we closed the connection */ |
12dc4ec0 |
584 | } |
585 | WSACleanup(); |
586 | return 0; |
587 | } |