#endif
#include <windows.h>
#include <stdio.h>
+#include <stdlib.h>
#include <stdarg.h>
#define PUTTY_DO_GLOBALS /* actually _define_ globals */
#include "putty.h"
#include "storage.h"
+#include "tree234.h"
void fatalbox (char *p, ...) {
va_list ap;
- fprintf(stderr, "FATAL ERROR: ", p);
+ fprintf(stderr, "FATAL ERROR: ");
va_start(ap, p);
vfprintf(stderr, p, ap);
va_end(ap);
}
void connection_fatal (char *p, ...) {
va_list ap;
- fprintf(stderr, "FATAL ERROR: ", p);
+ fprintf(stderr, "FATAL ERROR: ");
va_start(ap, p);
vfprintf(stderr, p, ap);
va_end(ap);
void verify_ssh_host_key(char *host, int port, char *keytype,
char *keystr, char *fingerprint) {
int ret;
+ HANDLE hin;
+ DWORD savemode, i;
static const char absentmsg[] =
"The server's host key is not cached in the registry. You\n"
if (ret == 0) /* success - key matched OK */
return;
- if (ret == 2) { /* key was different */
+
+ if (ret == 2) /* key was different */
fprintf(stderr, wrongmsg, fingerprint);
- if (fgets(line, sizeof(line), stdin) &&
- line[0] != '\0' && line[0] != '\n') {
+ if (ret == 1) /* key was absent */
+ fprintf(stderr, absentmsg, fingerprint);
+
+ hin = GetStdHandle(STD_INPUT_HANDLE);
+ GetConsoleMode(hin, &savemode);
+ SetConsoleMode(hin, (savemode | ENABLE_ECHO_INPUT |
+ ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT));
+ ReadFile(hin, line, sizeof(line)-1, &i, NULL);
+ SetConsoleMode(hin, savemode);
+
+ if (ret == 2) { /* key was different */
+ if (line[0] != '\0' && line[0] != '\r' && line[0] != '\n') {
if (line[0] == 'y' || line[0] == 'Y')
store_host_key(host, port, keytype, keystr);
} else {
}
}
if (ret == 1) { /* key was absent */
- fprintf(stderr, absentmsg, fingerprint);
- if (fgets(line, sizeof(line), stdin) &&
- (line[0] == 'y' || line[0] == 'Y'))
+ if (line[0] == 'y' || line[0] == 'Y')
store_host_key(host, port, keytype, keystr);
else {
fprintf(stderr, abandoned);
}
}
-HANDLE outhandle;
+HANDLE inhandle, outhandle, errhandle;
DWORD orig_console_mode;
-void begin_session(void) {
- if (!cfg.ldisc_term)
- SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), ENABLE_PROCESSED_INPUT);
- else
- SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), orig_console_mode);
-}
+WSAEVENT netevent;
-void term_out(void)
-{
- int reap;
+void from_backend(int is_stderr, char *data, int len) {
+ int pos;
DWORD ret;
- reap = 0;
- while (reap < inbuf_head) {
- if (!WriteFile(outhandle, inbuf+reap, inbuf_head-reap, &ret, NULL))
+ HANDLE h = (is_stderr ? errhandle : outhandle);
+
+ pos = 0;
+ while (pos < len) {
+ if (!WriteFile(h, data+pos, len-pos, &ret, NULL))
return; /* give up in panic */
- reap += ret;
+ pos += ret;
}
- inbuf_head = 0;
+}
+
+int term_ldisc(int mode) { return FALSE; }
+void ldisc_update(int echo, int edit) {
+ /* Update stdin read mode to reflect changes in line discipline. */
+ DWORD mode;
+
+ mode = ENABLE_PROCESSED_INPUT;
+ if (echo)
+ mode = mode | ENABLE_ECHO_INPUT;
+ else
+ mode = mode &~ ENABLE_ECHO_INPUT;
+ if (edit)
+ mode = mode | ENABLE_LINE_INPUT;
+ else
+ mode = mode &~ ENABLE_LINE_INPUT;
+ SetConsoleMode(inhandle, mode);
}
struct input_data {
DWORD len;
char buffer[4096];
- HANDLE event;
+ HANDLE event, eventback;
};
static int get_password(const char *prompt, char *str, int maxlen)
inhandle = GetStdHandle(STD_INPUT_HANDLE);
while (ReadFile(inhandle, idata->buffer, sizeof(idata->buffer),
- &idata->len, NULL)) {
+ &idata->len, NULL) && idata->len > 0) {
SetEvent(idata->event);
+ WaitForSingleObject(idata->eventback, INFINITE);
}
idata->len = 0;
exit(1);
}
+char *do_select(SOCKET skt, int startup) {
+ int events;
+ if (startup) {
+ events = FD_READ | FD_WRITE | FD_OOB | FD_CLOSE;
+ } else {
+ events = 0;
+ }
+ if (WSAEventSelect (skt, netevent, events) == SOCKET_ERROR) {
+ switch (WSAGetLastError()) {
+ case WSAENETDOWN: return "Network is down";
+ default: return "WSAAsyncSelect(): unknown error";
+ }
+ }
+ return NULL;
+}
+
int main(int argc, char **argv) {
WSADATA wsadata;
WORD winsock_ver;
- WSAEVENT netevent, stdinevent;
+ WSAEVENT stdinevent;
HANDLE handles[2];
- SOCKET socket;
DWORD threadid;
struct input_data idata;
int sending;
int portnumber = -1;
+ SOCKET *sklist;
+ int skcount, sksize;
+ int connopen;
ssh_get_password = get_password;
+ sklist = NULL; skcount = sksize = 0;
+
flags = FLAG_STDERR;
/*
* Process the command line.
/*
* One string.
*/
- do_defaults (p, &cfg);
- if (cfg.host[0] == '\0') {
+ Config cfg2;
+ do_defaults (p, &cfg2);
+ if (cfg2.host[0] == '\0') {
/* No settings for this host; use defaults */
strncpy(cfg.host, p, sizeof(cfg.host)-1);
cfg.host[sizeof(cfg.host)-1] = '\0';
cfg.port = 22;
- }
+ } else
+ cfg = cfg2;
} else {
*r++ = '\0';
strncpy(cfg.username, p, sizeof(cfg.username)-1);
len2 = strlen(cp); len -= len2; cp += len2;
}
cfg.nopty = TRUE; /* command => no terminal */
- cfg.ldisc_term = TRUE; /* use stdin like a line buffer */
break; /* done with cmdline */
}
}
WSACleanup();
return 1;
}
+ sk_init();
/*
* Start up the connection.
*/
+ netevent = CreateEvent(NULL, FALSE, FALSE, NULL);
{
char *error;
char *realhost;
- error = back->init (NULL, cfg.host, cfg.port, &realhost);
+ error = back->init (cfg.host, cfg.port, &realhost);
if (error) {
fprintf(stderr, "Unable to open connection:\n%s", error);
return 1;
}
}
+ connopen = 1;
- netevent = CreateEvent(NULL, FALSE, FALSE, NULL);
stdinevent = CreateEvent(NULL, FALSE, FALSE, NULL);
- GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &orig_console_mode);
- SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), ENABLE_PROCESSED_INPUT);
+ inhandle = GetStdHandle(STD_INPUT_HANDLE);
outhandle = GetStdHandle(STD_OUTPUT_HANDLE);
+ errhandle = GetStdHandle(STD_ERROR_HANDLE);
+ GetConsoleMode(inhandle, &orig_console_mode);
+ SetConsoleMode(inhandle, ENABLE_PROCESSED_INPUT);
/*
- * Now we must send the back end oodles of stuff.
- */
- socket = back->socket();
- /*
* Turn off ECHO and LINE input modes. We don't care if this
* call fails, because we know we aren't necessarily running in
* a console.
*/
- WSAEventSelect(socket, netevent, FD_READ | FD_CLOSE);
handles[0] = netevent;
handles[1] = stdinevent;
sending = FALSE;
* - so we're back to ReadFile blocking.
*/
idata.event = stdinevent;
+ idata.eventback = CreateEvent(NULL, FALSE, FALSE, NULL);
if (!CreateThread(NULL, 0, stdin_read_thread,
&idata, 0, &threadid)) {
fprintf(stderr, "Unable to create second thread\n");
n = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
if (n == 0) {
WSANETWORKEVENTS things;
- if (!WSAEnumNetworkEvents(socket, netevent, &things)) {
- if (things.lNetworkEvents & FD_READ)
- back->msg(0, FD_READ);
- if (things.lNetworkEvents & FD_CLOSE) {
- back->msg(0, FD_CLOSE);
- break;
- }
+ enum234 e;
+ SOCKET socket;
+ extern SOCKET first_socket(enum234 *), next_socket(enum234 *);
+ extern int select_result(WPARAM, LPARAM);
+ int i;
+
+ /*
+ * We must not call select_result() for any socket
+ * until we have finished enumerating within the tree.
+ * This is because select_result() may close the socket
+ * and modify the tree.
+ */
+ /* Count the active sockets. */
+ i = 0;
+ for (socket = first_socket(&e); socket != INVALID_SOCKET;
+ socket = next_socket(&e))
+ i++;
+
+ /* Expand the buffer if necessary. */
+ if (i > sksize) {
+ sksize = i+16;
+ sklist = srealloc(sklist, sksize * sizeof(*sklist));
}
- term_out();
+
+ /* Retrieve the sockets into sklist. */
+ skcount = 0;
+ for (socket = first_socket(&e); socket != INVALID_SOCKET;
+ socket = next_socket(&e)) {
+ sklist[skcount++] = socket;
+ }
+
+ /* Now we're done enumerating; go through the list. */
+ for (i = 0; i < skcount; i++) {
+ WPARAM wp;
+ socket = sklist[i];
+ wp = (WPARAM)socket;
+ if (!WSAEnumNetworkEvents(socket, NULL, &things)) {
+ noise_ultralight(socket);
+ noise_ultralight(things.lNetworkEvents);
+ if (things.lNetworkEvents & FD_READ)
+ connopen &= select_result(wp, (LPARAM)FD_READ);
+ if (things.lNetworkEvents & FD_CLOSE)
+ connopen &= select_result(wp, (LPARAM)FD_CLOSE);
+ if (things.lNetworkEvents & FD_OOB)
+ connopen &= select_result(wp, (LPARAM)FD_OOB);
+ if (things.lNetworkEvents & FD_WRITE)
+ connopen &= select_result(wp, (LPARAM)FD_WRITE);
+ }
+ }
} else if (n == 1) {
+ noise_ultralight(idata.len);
if (idata.len > 0) {
back->send(idata.buffer, idata.len);
} else {
back->special(TS_EOF);
}
+ SetEvent(idata.eventback);
}
+ if (!connopen || back->socket() == NULL)
+ break; /* we closed the connection */
}
WSACleanup();
return 0;
projects / u / mdw / putty / blobdiff