fd9d36dd2631bb2495b0582c2d61421b49b9b5f3
2 * PLink - a command-line (stdin/stdout) variant of PuTTY.
10 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
13 void fatalbox (char *p
, ...) {
15 fprintf(stderr
, "FATAL ERROR: ", p
);
17 vfprintf(stderr
, p
, ap
);
23 void connection_fatal (char *p
, ...) {
25 fprintf(stderr
, "FATAL ERROR: ", p
);
27 vfprintf(stderr
, p
, ap
);
42 while (reap
< inbuf_head
) {
43 if (!WriteFile(outhandle
, inbuf
+reap
, inbuf_head
-reap
, &ret
, NULL
))
44 return; /* give up in panic */
56 static int get_password(const char *prompt
, char *str
, int maxlen
)
61 #if 0 /* this allows specifying a password some other way */
63 static int tried_once
= 0;
68 strncpy(str
, password
, maxlen
);
76 hin
= GetStdHandle(STD_INPUT_HANDLE
);
77 hout
= GetStdHandle(STD_OUTPUT_HANDLE
);
78 if (hin
== INVALID_HANDLE_VALUE
|| hout
== INVALID_HANDLE_VALUE
) {
79 fprintf(stderr
, "Cannot get standard input/output handles");
83 GetConsoleMode(hin
, &savemode
);
84 SetConsoleMode(hin
, (savemode
& (~ENABLE_ECHO_INPUT
)) |
85 ENABLE_PROCESSED_INPUT
| ENABLE_LINE_INPUT
);
87 WriteFile(hout
, prompt
, strlen(prompt
), &i
, NULL
);
88 ReadFile(hin
, str
, maxlen
-1, &i
, NULL
);
90 SetConsoleMode(hin
, savemode
);
92 if ((int)i
> maxlen
) i
= maxlen
-1; else i
= i
- 2;
95 WriteFile(hout
, "\r\n", 2, &i
, NULL
);
100 int WINAPI
stdin_read_thread(void *param
) {
101 struct input_data
*idata
= (struct input_data
*)param
;
104 inhandle
= GetStdHandle(STD_INPUT_HANDLE
);
106 while (ReadFile(inhandle
, idata
->buffer
, sizeof(idata
->buffer
),
107 &idata
->len
, NULL
)) {
108 SetEvent(idata
->event
);
112 SetEvent(idata
->event
);
117 int main(int argc
, char **argv
) {
120 WSAEVENT netevent
, stdinevent
;
124 struct input_data idata
;
127 ssh_get_password
= get_password
;
131 * Process the command line.
133 default_protocol
= DEFAULT_PROTOCOL
;
134 default_port
= DEFAULT_PORT
;
139 if (!strcmp(p
, "-ssh")) {
140 default_protocol
= cfg
.protocol
= PROT_SSH
;
141 default_port
= cfg
.port
= 22;
142 } else if (!strcmp(p
, "-v")) {
143 flags
|= FLAG_VERBOSE
;
144 } else if (!strcmp(p
, "-log")) {
145 logfile
= "putty.log";
151 * If the hostname starts with "telnet:", set the
152 * protocol to Telnet and process the string as a
155 if (!strncmp(q
, "telnet:", 7)) {
159 if (q
[0] == '/' && q
[1] == '/')
161 cfg
.protocol
= PROT_TELNET
;
163 while (*p
&& *p
!= ':' && *p
!= '/') p
++;
171 strncpy (cfg
.host
, q
, sizeof(cfg
.host
)-1);
172 cfg
.host
[sizeof(cfg
.host
)-1] = '\0';
175 * Three cases. Either (a) there's a nonzero
176 * length string followed by an @, in which
177 * case that's user and the remainder is host.
178 * Or (b) there's only one string, not counting
179 * a potential initial @, and it exists in the
180 * saved-sessions database. Or (c) only one
181 * string and it _doesn't_ exist in the
184 char *r
= strrchr(p
, '@');
185 if (r
== p
) p
++, r
= NULL
; /* discount initial @ */
191 if (cfg
.host
[0] == '\0') {
192 /* No settings for this host; use defaults */
193 strncpy(cfg
.host
, p
, sizeof(cfg
.host
)-1);
194 cfg
.host
[sizeof(cfg
.host
)-1] = '\0';
199 strncpy(cfg
.username
, p
, sizeof(cfg
.username
)-1);
200 cfg
.username
[sizeof(cfg
.username
)-1] = '\0';
201 strncpy(cfg
.host
, r
, sizeof(cfg
.host
)-1);
202 cfg
.host
[sizeof(cfg
.host
)-1] = '\0';
207 int len
= sizeof(cfg
.remote_cmd
) - 1;
208 char *cp
= cfg
.remote_cmd
;
211 strncpy(cp
, p
, len
); cp
[len
] = '\0';
212 len2
= strlen(cp
); len
-= len2
; cp
+= len2
;
216 strncpy(cp
, *++argv
, len
); cp
[len
] = '\0';
217 len2
= strlen(cp
); len
-= len2
; cp
+= len2
;
219 cfg
.nopty
= TRUE
; /* command => no terminal */
220 cfg
.ldisc_term
= TRUE
; /* use stdin like a line buffer */
221 break; /* done with cmdline */
226 if (!*cfg
.remote_cmd
)
227 flags
|= FLAG_INTERACTIVE
;
230 * Select protocol. This is farmed out into a table in a
231 * separate file to enable an ssh-free variant.
236 for (i
= 0; backends
[i
].backend
!= NULL
; i
++)
237 if (backends
[i
].protocol
== cfg
.protocol
) {
238 back
= backends
[i
].backend
;
242 fprintf(stderr
, "Internal fault: Unsupported protocol found\n");
248 * Initialise WinSock.
250 winsock_ver
= MAKEWORD(2, 0);
251 if (WSAStartup(winsock_ver
, &wsadata
)) {
252 MessageBox(NULL
, "Unable to initialise WinSock", "WinSock Error",
253 MB_OK
| MB_ICONEXCLAMATION
);
256 if (LOBYTE(wsadata
.wVersion
) != 2 || HIBYTE(wsadata
.wVersion
) != 0) {
257 MessageBox(NULL
, "WinSock version is incompatible with 2.0",
258 "WinSock Error", MB_OK
| MB_ICONEXCLAMATION
);
264 * Start up the connection.
270 error
= back
->init (NULL
, cfg
.host
, cfg
.port
, &realhost
);
272 fprintf(stderr
, "Unable to open connection:\n%s", error
);
277 netevent
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
278 stdinevent
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
281 SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE
), ENABLE_PROCESSED_INPUT
);
282 outhandle
= GetStdHandle(STD_OUTPUT_HANDLE
);
285 * Now we must send the back end oodles of stuff.
287 socket
= back
->socket();
289 * Turn off ECHO and LINE input modes. We don't care if this
290 * call fails, because we know we aren't necessarily running in
293 WSAEventSelect(socket
, netevent
, FD_READ
| FD_CLOSE
);
294 handles
[0] = netevent
;
295 handles
[1] = stdinevent
;
299 n
= WaitForMultipleObjects(2, handles
, FALSE
, INFINITE
);
301 WSANETWORKEVENTS things
;
302 if (!WSAEnumNetworkEvents(socket
, netevent
, &things
)) {
303 if (things
.lNetworkEvents
& FD_READ
)
304 back
->msg(0, FD_READ
);
305 if (things
.lNetworkEvents
& FD_CLOSE
) {
306 back
->msg(0, FD_CLOSE
);
311 if (!sending
&& back
->sendok()) {
313 * Create a separate thread to read from stdin.
314 * This is a total pain, but I can't find another
317 * - an overlapped ReadFile or ReadFileEx just
318 * doesn't happen; we get failure from
319 * ReadFileEx, and ReadFile blocks despite being
320 * given an OVERLAPPED structure. Perhaps we
321 * can't do overlapped reads on consoles. WHY
324 * - WaitForMultipleObjects(netevent, console)
325 * doesn't work, because it signals the console
326 * when _anything_ happens, including mouse
327 * motions and other things that don't cause
328 * data to be readable - so we're back to
331 idata
.event
= stdinevent
;
332 if (!CreateThread(NULL
, 0, stdin_read_thread
,
333 &idata
, 0, &threadid
)) {
334 fprintf(stderr
, "Unable to create second thread\n");
341 back
->send(idata
.buffer
, idata
.len
);
343 back
->special(TS_EOF
);