12dc4ec0 |
1 | /* |
f4ff9455 |
2 | * PLink - a Windows command-line (stdin/stdout) variant of PuTTY. |
12dc4ec0 |
3 | */ |
4 | |
12dc4ec0 |
5 | #include <stdio.h> |
49bad831 |
6 | #include <stdlib.h> |
2b0c045b |
7 | #include <assert.h> |
12dc4ec0 |
8 | #include <stdarg.h> |
9 | |
32874aea |
10 | #define PUTTY_DO_GLOBALS /* actually _define_ globals */ |
12dc4ec0 |
11 | #include "putty.h" |
a9422f39 |
12 | #include "storage.h" |
8df7a775 |
13 | #include "tree234.h" |
12dc4ec0 |
14 | |
604fab0c |
15 | #define WM_AGENT_CALLBACK (WM_APP + 4) |
c44bf5bd |
16 | |
c44bf5bd |
17 | struct agent_callback { |
18 | void (*callback)(void *, void *, int); |
19 | void *callback_ctx; |
20 | void *data; |
21 | int len; |
22 | }; |
23 | |
32874aea |
24 | void fatalbox(char *p, ...) |
25 | { |
12dc4ec0 |
26 | va_list ap; |
49bad831 |
27 | fprintf(stderr, "FATAL ERROR: "); |
1709795f |
28 | va_start(ap, p); |
29 | vfprintf(stderr, p, ap); |
30 | va_end(ap); |
31 | fputc('\n', stderr); |
7bfc5fd0 |
32 | if (logctx) { |
33 | log_free(logctx); |
34 | logctx = NULL; |
35 | } |
1709795f |
36 | cleanup_exit(1); |
37 | } |
38 | void modalfatalbox(char *p, ...) |
39 | { |
40 | va_list ap; |
41 | fprintf(stderr, "FATAL ERROR: "); |
12dc4ec0 |
42 | va_start(ap, p); |
43 | vfprintf(stderr, p, ap); |
44 | va_end(ap); |
45 | fputc('\n', stderr); |
7bfc5fd0 |
46 | if (logctx) { |
47 | log_free(logctx); |
48 | logctx = NULL; |
49 | } |
93b581bd |
50 | cleanup_exit(1); |
12dc4ec0 |
51 | } |
a8327734 |
52 | void connection_fatal(void *frontend, char *p, ...) |
32874aea |
53 | { |
8d5de777 |
54 | va_list ap; |
49bad831 |
55 | fprintf(stderr, "FATAL ERROR: "); |
8d5de777 |
56 | va_start(ap, p); |
57 | vfprintf(stderr, p, ap); |
58 | va_end(ap); |
59 | fputc('\n', stderr); |
7bfc5fd0 |
60 | if (logctx) { |
61 | log_free(logctx); |
62 | logctx = NULL; |
63 | } |
93b581bd |
64 | cleanup_exit(1); |
8d5de777 |
65 | } |
c0a81592 |
66 | void cmdline_error(char *p, ...) |
67 | { |
68 | va_list ap; |
69 | fprintf(stderr, "plink: "); |
70 | va_start(ap, p); |
71 | vfprintf(stderr, p, ap); |
72 | va_end(ap); |
73 | fputc('\n', stderr); |
74 | exit(1); |
75 | } |
12dc4ec0 |
76 | |
0965bee0 |
77 | HANDLE inhandle, outhandle, errhandle; |
34292b1d |
78 | struct handle *stdin_handle, *stdout_handle, *stderr_handle; |
6f34e365 |
79 | DWORD orig_console_mode; |
34292b1d |
80 | int connopen; |
6f34e365 |
81 | |
8df7a775 |
82 | WSAEVENT netevent; |
83 | |
6b78788a |
84 | static Backend *back; |
85 | static void *backhandle; |
3ea863a3 |
86 | static Config cfg; |
6b78788a |
87 | |
887035a5 |
88 | int term_ldisc(Terminal *term, int mode) |
32874aea |
89 | { |
90 | return FALSE; |
91 | } |
b9d7bcad |
92 | void ldisc_update(void *frontend, int echo, int edit) |
32874aea |
93 | { |
0965bee0 |
94 | /* Update stdin read mode to reflect changes in line discipline. */ |
95 | DWORD mode; |
96 | |
97 | mode = ENABLE_PROCESSED_INPUT; |
98 | if (echo) |
32874aea |
99 | mode = mode | ENABLE_ECHO_INPUT; |
0965bee0 |
100 | else |
32874aea |
101 | mode = mode & ~ENABLE_ECHO_INPUT; |
0965bee0 |
102 | if (edit) |
32874aea |
103 | mode = mode | ENABLE_LINE_INPUT; |
0965bee0 |
104 | else |
32874aea |
105 | mode = mode & ~ENABLE_LINE_INPUT; |
0965bee0 |
106 | SetConsoleMode(inhandle, mode); |
107 | } |
108 | |
c6ccd5c2 |
109 | char *get_ttymode(void *frontend, const char *mode) { return NULL; } |
110 | |
9fab77dc |
111 | int from_backend(void *frontend_handle, int is_stderr, |
112 | const char *data, int len) |
5471d09a |
113 | { |
5471d09a |
114 | if (is_stderr) { |
34292b1d |
115 | handle_write(stderr_handle, data, len); |
5471d09a |
116 | } else { |
34292b1d |
117 | handle_write(stdout_handle, data, len); |
5471d09a |
118 | } |
119 | |
34292b1d |
120 | return handle_backlog(stdout_handle) + handle_backlog(stderr_handle); |
5471d09a |
121 | } |
122 | |
edd0cb8a |
123 | int from_backend_untrusted(void *frontend_handle, const char *data, int len) |
124 | { |
125 | /* |
126 | * No "untrusted" output should get here (the way the code is |
127 | * currently, it's all diverted by FLAG_STDERR). |
128 | */ |
129 | assert(!"Unexpected call to from_backend_untrusted()"); |
130 | return 0; /* not reached */ |
131 | } |
132 | |
133 | int get_userpass_input(prompts_t *p, unsigned char *in, int inlen) |
134 | { |
135 | int ret; |
136 | ret = cmdline_get_passwd_input(p, in, inlen); |
137 | if (ret == -1) |
138 | ret = console_get_userpass_input(p, in, inlen); |
139 | return ret; |
140 | } |
141 | |
c44bf5bd |
142 | static DWORD main_thread_id; |
143 | |
144 | void agent_schedule_callback(void (*callback)(void *, void *, int), |
145 | void *callback_ctx, void *data, int len) |
146 | { |
147 | struct agent_callback *c = snew(struct agent_callback); |
148 | c->callback = callback; |
149 | c->callback_ctx = callback_ctx; |
150 | c->data = data; |
151 | c->len = len; |
152 | PostThreadMessage(main_thread_id, WM_AGENT_CALLBACK, 0, (LPARAM)c); |
153 | } |
154 | |
d8426c54 |
155 | /* |
156 | * Short description of parameters. |
157 | */ |
158 | static void usage(void) |
159 | { |
160 | printf("PuTTY Link: command-line connection utility\n"); |
161 | printf("%s\n", ver); |
162 | printf("Usage: plink [options] [user@]host [command]\n"); |
e672967c |
163 | printf(" (\"host\" can also be a PuTTY saved session name)\n"); |
d8426c54 |
164 | printf("Options:\n"); |
2285d016 |
165 | printf(" -V print version information and exit\n"); |
166 | printf(" -pgpfp print PGP key fingerprints and exit\n"); |
d8426c54 |
167 | printf(" -v show verbose messages\n"); |
e2a197cf |
168 | printf(" -load sessname Load settings from saved session\n"); |
169 | printf(" -ssh -telnet -rlogin -raw\n"); |
afd4d0d2 |
170 | printf(" force use of a particular protocol\n"); |
d8426c54 |
171 | printf(" -P port connect to specified port\n"); |
e2a197cf |
172 | printf(" -l user connect with specified username\n"); |
e2a197cf |
173 | printf(" -batch disable all interactive prompts\n"); |
174 | printf("The following options only apply to SSH connections:\n"); |
175 | printf(" -pw passw login with specified password\n"); |
dbe6c525 |
176 | printf(" -D [listen-IP:]listen-port\n"); |
177 | printf(" Dynamic SOCKS-based port forwarding\n"); |
178 | printf(" -L [listen-IP:]listen-port:host:port\n"); |
179 | printf(" Forward local port to remote address\n"); |
180 | printf(" -R [listen-IP:]listen-port:host:port\n"); |
181 | printf(" Forward remote port to local address\n"); |
e2a197cf |
182 | printf(" -X -x enable / disable X11 forwarding\n"); |
183 | printf(" -A -a enable / disable agent forwarding\n"); |
184 | printf(" -t -T enable / disable pty allocation\n"); |
185 | printf(" -1 -2 force use of particular protocol version\n"); |
05581745 |
186 | printf(" -4 -6 force use of IPv4 or IPv6\n"); |
e2a197cf |
187 | printf(" -C enable compression\n"); |
188 | printf(" -i key private key file for authentication\n"); |
e5708bc7 |
189 | printf(" -noagent disable use of Pageant\n"); |
190 | printf(" -agent enable use of Pageant\n"); |
54018d95 |
191 | printf(" -m file read remote command(s) from file\n"); |
4d1cdf5d |
192 | printf(" -s remote command is an SSH subsystem (SSH-2 only)\n"); |
b72c366d |
193 | printf(" -N don't start a shell/command (SSH-2 only)\n"); |
23828b7e |
194 | printf(" -nc host:port\n"); |
195 | printf(" open tunnel in place of session (SSH-2 only)\n"); |
dc108ebc |
196 | exit(1); |
197 | } |
198 | |
199 | static void version(void) |
200 | { |
201 | printf("plink: %s\n", ver); |
d8426c54 |
202 | exit(1); |
203 | } |
204 | |
32874aea |
205 | char *do_select(SOCKET skt, int startup) |
206 | { |
8df7a775 |
207 | int events; |
208 | if (startup) { |
3ad9d396 |
209 | events = (FD_CONNECT | FD_READ | FD_WRITE | |
210 | FD_OOB | FD_CLOSE | FD_ACCEPT); |
8df7a775 |
211 | } else { |
212 | events = 0; |
213 | } |
7440fd44 |
214 | if (p_WSAEventSelect(skt, netevent, events) == SOCKET_ERROR) { |
215 | switch (p_WSAGetLastError()) { |
32874aea |
216 | case WSAENETDOWN: |
217 | return "Network is down"; |
218 | default: |
7440fd44 |
219 | return "WSAEventSelect(): unknown error"; |
32874aea |
220 | } |
8df7a775 |
221 | } |
222 | return NULL; |
223 | } |
224 | |
34292b1d |
225 | int stdin_gotdata(struct handle *h, void *data, int len) |
226 | { |
227 | if (len < 0) { |
228 | /* |
229 | * Special case: report read error. |
230 | */ |
231 | fprintf(stderr, "Unable to read from standard input\n"); |
232 | cleanup_exit(0); |
233 | } |
234 | noise_ultralight(len); |
6226c939 |
235 | if (connopen && back->connected(backhandle)) { |
34292b1d |
236 | if (len > 0) { |
237 | return back->send(backhandle, data, len); |
238 | } else { |
239 | back->special(backhandle, TS_EOF); |
240 | return 0; |
241 | } |
242 | } else |
243 | return 0; |
244 | } |
245 | |
246 | void stdouterr_sent(struct handle *h, int new_backlog) |
247 | { |
248 | if (new_backlog < 0) { |
249 | /* |
250 | * Special case: report write error. |
251 | */ |
252 | fprintf(stderr, "Unable to write to standard %s\n", |
253 | (h == stdout_handle ? "output" : "error")); |
254 | cleanup_exit(0); |
255 | } |
6226c939 |
256 | if (connopen && back->connected(backhandle)) { |
34292b1d |
257 | back->unthrottle(backhandle, (handle_backlog(stdout_handle) + |
258 | handle_backlog(stderr_handle))); |
259 | } |
260 | } |
261 | |
32874aea |
262 | int main(int argc, char **argv) |
263 | { |
12dc4ec0 |
264 | int sending; |
d8426c54 |
265 | int portnumber = -1; |
8df7a775 |
266 | SOCKET *sklist; |
267 | int skcount, sksize; |
d8d6c7e5 |
268 | int exitcode; |
86256dc6 |
269 | int errors; |
4d1cdf5d |
270 | int use_subsystem = 0; |
39934deb |
271 | long now, next; |
12dc4ec0 |
272 | |
32874aea |
273 | sklist = NULL; |
274 | skcount = sksize = 0; |
c9bdcd96 |
275 | /* |
276 | * Initialise port and protocol to sensible defaults. (These |
277 | * will be overridden by more or less anything.) |
278 | */ |
279 | default_protocol = PROT_SSH; |
280 | default_port = 22; |
8df7a775 |
281 | |
67779be7 |
282 | flags = FLAG_STDERR; |
12dc4ec0 |
283 | /* |
284 | * Process the command line. |
285 | */ |
a9422f39 |
286 | do_defaults(NULL, &cfg); |
18e62ad8 |
287 | loaded_session = FALSE; |
e7a7383f |
288 | default_protocol = cfg.protocol; |
289 | default_port = cfg.port; |
86256dc6 |
290 | errors = 0; |
8cb9c947 |
291 | { |
32874aea |
292 | /* |
293 | * Override the default protocol if PLINK_PROTOCOL is set. |
294 | */ |
295 | char *p = getenv("PLINK_PROTOCOL"); |
296 | int i; |
297 | if (p) { |
298 | for (i = 0; backends[i].backend != NULL; i++) { |
299 | if (!strcmp(backends[i].name, p)) { |
300 | default_protocol = cfg.protocol = backends[i].protocol; |
301 | default_port = cfg.port = |
302 | backends[i].backend->default_port; |
303 | break; |
304 | } |
305 | } |
306 | } |
8cb9c947 |
307 | } |
12dc4ec0 |
308 | while (--argc) { |
32874aea |
309 | char *p = *++argv; |
310 | if (*p == '-') { |
5555d393 |
311 | int ret = cmdline_process_param(p, (argc > 1 ? argv[1] : NULL), |
312 | 1, &cfg); |
c0a81592 |
313 | if (ret == -2) { |
314 | fprintf(stderr, |
315 | "plink: option \"%s\" requires an argument\n", p); |
86256dc6 |
316 | errors = 1; |
c0a81592 |
317 | } else if (ret == 2) { |
318 | --argc, ++argv; |
319 | } else if (ret == 1) { |
320 | continue; |
ff2ae367 |
321 | } else if (!strcmp(p, "-batch")) { |
c0a81592 |
322 | console_batch_mode = 1; |
4d1cdf5d |
323 | } else if (!strcmp(p, "-s")) { |
324 | /* Save status to write to cfg later. */ |
325 | use_subsystem = 1; |
dc108ebc |
326 | } else if (!strcmp(p, "-V")) { |
327 | version(); |
2285d016 |
328 | } else if (!strcmp(p, "-pgpfp")) { |
329 | pgp_fingerprints(); |
330 | exit(1); |
86256dc6 |
331 | } else { |
332 | fprintf(stderr, "plink: unknown option \"%s\"\n", p); |
333 | errors = 1; |
32874aea |
334 | } |
12dc4ec0 |
335 | } else if (*p) { |
7374c779 |
336 | if (!cfg_launchable(&cfg)) { |
32874aea |
337 | char *q = p; |
338 | /* |
339 | * If the hostname starts with "telnet:", set the |
340 | * protocol to Telnet and process the string as a |
341 | * Telnet URL. |
342 | */ |
343 | if (!strncmp(q, "telnet:", 7)) { |
344 | char c; |
345 | |
346 | q += 7; |
347 | if (q[0] == '/' && q[1] == '/') |
348 | q += 2; |
349 | cfg.protocol = PROT_TELNET; |
350 | p = q; |
351 | while (*p && *p != ':' && *p != '/') |
352 | p++; |
353 | c = *p; |
354 | if (*p) |
355 | *p++ = '\0'; |
356 | if (c == ':') |
357 | cfg.port = atoi(p); |
358 | else |
359 | cfg.port = -1; |
360 | strncpy(cfg.host, q, sizeof(cfg.host) - 1); |
361 | cfg.host[sizeof(cfg.host) - 1] = '\0'; |
362 | } else { |
3608528b |
363 | char *r, *user, *host; |
32874aea |
364 | /* |
365 | * Before we process the [user@]host string, we |
366 | * first check for the presence of a protocol |
367 | * prefix (a protocol name followed by ","). |
368 | */ |
369 | r = strchr(p, ','); |
370 | if (r) { |
371 | int i, j; |
372 | for (i = 0; backends[i].backend != NULL; i++) { |
373 | j = strlen(backends[i].name); |
374 | if (j == r - p && |
375 | !memcmp(backends[i].name, p, j)) { |
376 | default_protocol = cfg.protocol = |
377 | backends[i].protocol; |
378 | portnumber = |
379 | backends[i].backend->default_port; |
380 | p = r + 1; |
381 | break; |
382 | } |
383 | } |
384 | } |
385 | |
386 | /* |
3608528b |
387 | * A nonzero length string followed by an @ is treated |
388 | * as a username. (We discount an _initial_ @.) The |
389 | * rest of the string (or the whole string if no @) |
390 | * is treated as a session name and/or hostname. |
32874aea |
391 | */ |
392 | r = strrchr(p, '@'); |
393 | if (r == p) |
394 | p++, r = NULL; /* discount initial @ */ |
3608528b |
395 | if (r) { |
396 | *r++ = '\0'; |
397 | user = p, host = r; |
398 | } else { |
399 | user = NULL, host = p; |
400 | } |
401 | |
402 | /* |
403 | * Now attempt to load a saved session with the |
404 | * same name as the hostname. |
405 | */ |
406 | { |
32874aea |
407 | Config cfg2; |
3608528b |
408 | do_defaults(host, &cfg2); |
7374c779 |
409 | if (loaded_session || !cfg_launchable(&cfg2)) { |
32874aea |
410 | /* No settings for this host; use defaults */ |
18e62ad8 |
411 | /* (or session was already loaded with -load) */ |
3608528b |
412 | strncpy(cfg.host, host, sizeof(cfg.host) - 1); |
32874aea |
413 | cfg.host[sizeof(cfg.host) - 1] = '\0'; |
414 | cfg.port = default_port; |
415 | } else { |
416 | cfg = cfg2; |
32874aea |
417 | } |
3608528b |
418 | } |
419 | |
420 | if (user) { |
421 | /* Patch in specified username. */ |
422 | strncpy(cfg.username, user, |
423 | sizeof(cfg.username) - 1); |
32874aea |
424 | cfg.username[sizeof(cfg.username) - 1] = '\0'; |
32874aea |
425 | } |
3608528b |
426 | |
32874aea |
427 | } |
428 | } else { |
385528da |
429 | char *command; |
430 | int cmdlen, cmdsize; |
431 | cmdlen = cmdsize = 0; |
432 | command = NULL; |
433 | |
434 | while (argc) { |
435 | while (*p) { |
436 | if (cmdlen >= cmdsize) { |
437 | cmdsize = cmdlen + 512; |
3d88e64d |
438 | command = sresize(command, cmdsize, char); |
385528da |
439 | } |
440 | command[cmdlen++]=*p++; |
441 | } |
442 | if (cmdlen >= cmdsize) { |
443 | cmdsize = cmdlen + 512; |
3d88e64d |
444 | command = sresize(command, cmdsize, char); |
385528da |
445 | } |
446 | command[cmdlen++]=' '; /* always add trailing space */ |
447 | if (--argc) p = *++argv; |
32874aea |
448 | } |
385528da |
449 | if (cmdlen) command[--cmdlen]='\0'; |
450 | /* change trailing blank to NUL */ |
451 | cfg.remote_cmd_ptr = command; |
452 | cfg.remote_cmd_ptr2 = NULL; |
32874aea |
453 | cfg.nopty = TRUE; /* command => no terminal */ |
385528da |
454 | |
32874aea |
455 | break; /* done with cmdline */ |
456 | } |
12dc4ec0 |
457 | } |
458 | } |
459 | |
86256dc6 |
460 | if (errors) |
461 | return 1; |
462 | |
7374c779 |
463 | if (!cfg_launchable(&cfg)) { |
32874aea |
464 | usage(); |
d8426c54 |
465 | } |
d8426c54 |
466 | |
449925a6 |
467 | /* |
468 | * Trim leading whitespace off the hostname if it's there. |
469 | */ |
470 | { |
471 | int space = strspn(cfg.host, " \t"); |
472 | memmove(cfg.host, cfg.host+space, 1+strlen(cfg.host)-space); |
473 | } |
474 | |
475 | /* See if host is of the form user@host */ |
7374c779 |
476 | if (cfg_launchable(&cfg)) { |
5dd103a8 |
477 | char *atsign = strrchr(cfg.host, '@'); |
449925a6 |
478 | /* Make sure we're not overflowing the user field */ |
479 | if (atsign) { |
480 | if (atsign - cfg.host < sizeof cfg.username) { |
481 | strncpy(cfg.username, cfg.host, atsign - cfg.host); |
482 | cfg.username[atsign - cfg.host] = '\0'; |
483 | } |
484 | memmove(cfg.host, atsign + 1, 1 + strlen(atsign + 1)); |
485 | } |
486 | } |
487 | |
488 | /* |
c0a81592 |
489 | * Perform command-line overrides on session configuration. |
490 | */ |
5555d393 |
491 | cmdline_run_saved(&cfg); |
c0a81592 |
492 | |
493 | /* |
4d1cdf5d |
494 | * Apply subsystem status. |
495 | */ |
496 | if (use_subsystem) |
497 | cfg.ssh_subsys = TRUE; |
498 | |
499 | /* |
449925a6 |
500 | * Trim a colon suffix off the hostname if it's there. |
501 | */ |
502 | cfg.host[strcspn(cfg.host, ":")] = '\0'; |
503 | |
cae0c023 |
504 | /* |
505 | * Remove any remaining whitespace from the hostname. |
506 | */ |
507 | { |
508 | int p1 = 0, p2 = 0; |
509 | while (cfg.host[p2] != '\0') { |
510 | if (cfg.host[p2] != ' ' && cfg.host[p2] != '\t') { |
511 | cfg.host[p1] = cfg.host[p2]; |
512 | p1++; |
513 | } |
514 | p2++; |
515 | } |
516 | cfg.host[p1] = '\0'; |
517 | } |
518 | |
feb02b4e |
519 | if (!cfg.remote_cmd_ptr && !*cfg.remote_cmd && !*cfg.ssh_nc_host) |
32874aea |
520 | flags |= FLAG_INTERACTIVE; |
67779be7 |
521 | |
12dc4ec0 |
522 | /* |
523 | * Select protocol. This is farmed out into a table in a |
524 | * separate file to enable an ssh-free variant. |
525 | */ |
526 | { |
32874aea |
527 | int i; |
528 | back = NULL; |
529 | for (i = 0; backends[i].backend != NULL; i++) |
530 | if (backends[i].protocol == cfg.protocol) { |
531 | back = backends[i].backend; |
532 | break; |
533 | } |
534 | if (back == NULL) { |
535 | fprintf(stderr, |
536 | "Internal fault: Unsupported protocol found\n"); |
537 | return 1; |
538 | } |
12dc4ec0 |
539 | } |
540 | |
541 | /* |
8cb9c947 |
542 | * Select port. |
543 | */ |
544 | if (portnumber != -1) |
32874aea |
545 | cfg.port = portnumber; |
8cb9c947 |
546 | |
7440fd44 |
547 | sk_init(); |
548 | if (p_WSAEventSelect == NULL) { |
549 | fprintf(stderr, "Plink requires WinSock 2\n"); |
12dc4ec0 |
550 | return 1; |
551 | } |
552 | |
1626d169 |
553 | logctx = log_init(NULL, &cfg); |
554 | console_provide_logctx(logctx); |
555 | |
12dc4ec0 |
556 | /* |
557 | * Start up the connection. |
558 | */ |
8df7a775 |
559 | netevent = CreateEvent(NULL, FALSE, FALSE, NULL); |
12dc4ec0 |
560 | { |
cbe2d68f |
561 | const char *error; |
12dc4ec0 |
562 | char *realhost; |
2184a5d9 |
563 | /* nodelay is only useful if stdin is a character device (console) */ |
564 | int nodelay = cfg.tcp_nodelay && |
565 | (GetFileType(GetStdHandle(STD_INPUT_HANDLE)) == FILE_TYPE_CHAR); |
12dc4ec0 |
566 | |
86916870 |
567 | error = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port, |
79bf227b |
568 | &realhost, nodelay, cfg.tcp_keepalives); |
12dc4ec0 |
569 | if (error) { |
570 | fprintf(stderr, "Unable to open connection:\n%s", error); |
571 | return 1; |
572 | } |
a8327734 |
573 | back->provide_logctx(backhandle, logctx); |
6e1ebb76 |
574 | sfree(realhost); |
12dc4ec0 |
575 | } |
8df7a775 |
576 | connopen = 1; |
12dc4ec0 |
577 | |
0965bee0 |
578 | inhandle = GetStdHandle(STD_INPUT_HANDLE); |
12dc4ec0 |
579 | outhandle = GetStdHandle(STD_OUTPUT_HANDLE); |
fe50e814 |
580 | errhandle = GetStdHandle(STD_ERROR_HANDLE); |
34292b1d |
581 | |
12dc4ec0 |
582 | /* |
12dc4ec0 |
583 | * Turn off ECHO and LINE input modes. We don't care if this |
584 | * call fails, because we know we aren't necessarily running in |
585 | * a console. |
586 | */ |
f8efb0d5 |
587 | GetConsoleMode(inhandle, &orig_console_mode); |
588 | SetConsoleMode(inhandle, ENABLE_PROCESSED_INPUT); |
589 | |
34292b1d |
590 | /* |
591 | * Pass the output handles to the handle-handling subsystem. |
592 | * (The input one we leave until we're through the |
593 | * authentication process.) |
594 | */ |
bdebd7e9 |
595 | stdout_handle = handle_output_new(outhandle, stdouterr_sent, NULL, 0); |
596 | stderr_handle = handle_output_new(errhandle, stdouterr_sent, NULL, 0); |
34292b1d |
597 | |
f8efb0d5 |
598 | main_thread_id = GetCurrentThreadId(); |
599 | |
12dc4ec0 |
600 | sending = FALSE; |
5471d09a |
601 | |
39934deb |
602 | now = GETTICKCOUNT(); |
603 | |
12dc4ec0 |
604 | while (1) { |
34292b1d |
605 | int nhandles; |
606 | HANDLE *handles; |
32874aea |
607 | int n; |
39934deb |
608 | DWORD ticks; |
32874aea |
609 | |
51470298 |
610 | if (!sending && back->sendok(backhandle)) { |
bdebd7e9 |
611 | stdin_handle = handle_input_new(inhandle, stdin_gotdata, NULL, |
612 | 0); |
32874aea |
613 | sending = TRUE; |
614 | } |
615 | |
39934deb |
616 | if (run_timers(now, &next)) { |
617 | ticks = next - GETTICKCOUNT(); |
618 | if (ticks < 0) ticks = 0; /* just in case */ |
619 | } else { |
620 | ticks = INFINITE; |
621 | } |
622 | |
34292b1d |
623 | handles = handle_get_events(&nhandles); |
624 | handles = sresize(handles, nhandles+1, HANDLE); |
625 | handles[nhandles] = netevent; |
626 | n = MsgWaitForMultipleObjects(nhandles+1, handles, FALSE, ticks, |
c44bf5bd |
627 | QS_POSTMESSAGE); |
34292b1d |
628 | if ((unsigned)(n - WAIT_OBJECT_0) < (unsigned)nhandles) { |
629 | handle_got_event(handles[n - WAIT_OBJECT_0]); |
630 | } else if (n == WAIT_OBJECT_0 + nhandles) { |
32874aea |
631 | WSANETWORKEVENTS things; |
8df7a775 |
632 | SOCKET socket; |
d2371c81 |
633 | extern SOCKET first_socket(int *), next_socket(int *); |
8df7a775 |
634 | extern int select_result(WPARAM, LPARAM); |
32874aea |
635 | int i, socketstate; |
636 | |
637 | /* |
638 | * We must not call select_result() for any socket |
639 | * until we have finished enumerating within the tree. |
640 | * This is because select_result() may close the socket |
641 | * and modify the tree. |
642 | */ |
643 | /* Count the active sockets. */ |
644 | i = 0; |
645 | for (socket = first_socket(&socketstate); |
646 | socket != INVALID_SOCKET; |
647 | socket = next_socket(&socketstate)) i++; |
648 | |
649 | /* Expand the buffer if necessary. */ |
650 | if (i > sksize) { |
651 | sksize = i + 16; |
3d88e64d |
652 | sklist = sresize(sklist, sksize, SOCKET); |
32874aea |
653 | } |
654 | |
655 | /* Retrieve the sockets into sklist. */ |
656 | skcount = 0; |
657 | for (socket = first_socket(&socketstate); |
658 | socket != INVALID_SOCKET; |
d2371c81 |
659 | socket = next_socket(&socketstate)) { |
32874aea |
660 | sklist[skcount++] = socket; |
661 | } |
662 | |
663 | /* Now we're done enumerating; go through the list. */ |
664 | for (i = 0; i < skcount; i++) { |
665 | WPARAM wp; |
666 | socket = sklist[i]; |
667 | wp = (WPARAM) socket; |
7440fd44 |
668 | if (!p_WSAEnumNetworkEvents(socket, NULL, &things)) { |
64cdd21b |
669 | static const struct { int bit, mask; } eventtypes[] = { |
670 | {FD_CONNECT_BIT, FD_CONNECT}, |
671 | {FD_READ_BIT, FD_READ}, |
672 | {FD_CLOSE_BIT, FD_CLOSE}, |
673 | {FD_OOB_BIT, FD_OOB}, |
674 | {FD_WRITE_BIT, FD_WRITE}, |
675 | {FD_ACCEPT_BIT, FD_ACCEPT}, |
676 | }; |
677 | int e; |
678 | |
32874aea |
679 | noise_ultralight(socket); |
680 | noise_ultralight(things.lNetworkEvents); |
d74d141c |
681 | |
64cdd21b |
682 | for (e = 0; e < lenof(eventtypes); e++) |
683 | if (things.lNetworkEvents & eventtypes[e].mask) { |
684 | LPARAM lp; |
685 | int err = things.iErrorCode[eventtypes[e].bit]; |
686 | lp = WSAMAKESELECTREPLY(eventtypes[e].mask, err); |
687 | connopen &= select_result(wp, lp); |
688 | } |
8df7a775 |
689 | } |
690 | } |
34292b1d |
691 | } else if (n == WAIT_OBJECT_0 + nhandles + 1) { |
c44bf5bd |
692 | MSG msg; |
693 | while (PeekMessage(&msg, INVALID_HANDLE_VALUE, |
694 | WM_AGENT_CALLBACK, WM_AGENT_CALLBACK, |
695 | PM_REMOVE)) { |
696 | struct agent_callback *c = (struct agent_callback *)msg.lParam; |
697 | c->callback(c->callback_ctx, c->data, c->len); |
698 | sfree(c); |
699 | } |
5471d09a |
700 | } |
39934deb |
701 | |
702 | if (n == WAIT_TIMEOUT) { |
703 | now = next; |
704 | } else { |
705 | now = GETTICKCOUNT(); |
706 | } |
707 | |
34292b1d |
708 | sfree(handles); |
709 | |
710 | if (sending) |
711 | handle_unthrottle(stdin_handle, back->sendbuffer(backhandle)); |
712 | |
6226c939 |
713 | if ((!connopen || !back->connected(backhandle)) && |
34292b1d |
714 | handle_backlog(stdout_handle) + handle_backlog(stderr_handle) == 0) |
32874aea |
715 | break; /* we closed the connection */ |
12dc4ec0 |
716 | } |
51470298 |
717 | exitcode = back->exitcode(backhandle); |
d8d6c7e5 |
718 | if (exitcode < 0) { |
719 | fprintf(stderr, "Remote process exit code unavailable\n"); |
720 | exitcode = 1; /* this is an error condition */ |
721 | } |
7440fd44 |
722 | cleanup_exit(exitcode); |
723 | return 0; /* placate compiler warning */ |
12dc4ec0 |
724 | } |