+static char *password = NULL;
+
+void logevent(char *string)
+{
+}
+
+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"
+ "have no guarantee that the server is the computer you\n"
+ "think it is.\n"
+ "The server's key fingerprint is:\n"
+ "%s\n"
+ "If you trust this host, enter \"y\" to add the key to\n"
+ "PuTTY's cache and carry on connecting.\n"
+ "If you want to carry on connecting just once, without\n"
+ "adding the key to the cache, enter \"n\".\n"
+ "If you do not trust this host, press Return to abandon the\n"
+ "connection.\n"
+ "Store key in cache? (y/n) ";
+
+ static const char wrongmsg[] =
+ "WARNING - POTENTIAL SECURITY BREACH!\n"
+ "The server's host key does not match the one PuTTY has\n"
+ "cached in the registry. This means that either the\n"
+ "server administrator has changed the host key, or you\n"
+ "have actually connected to another computer pretending\n"
+ "to be the server.\n"
+ "The new key fingerprint is:\n"
+ "%s\n"
+ "If you were expecting this change and trust the new key,\n"
+ "enter \"y\" to update PuTTY's cache and continue connecting.\n"
+ "If you want to carry on connecting but without updating\n"
+ "the cache, enter \"n\".\n"
+ "If you want to abandon the connection completely, press\n"
+ "Return to cancel. Pressing Return is the ONLY guaranteed\n"
+ "safe choice.\n"
+ "Update cached key? (y/n, Return cancels connection) ";
+
+ static const char abandoned[] = "Connection abandoned.\n";
+
+ char line[32];
+
+ /*
+ * Verify the key against the registry.
+ */
+ ret = verify_host_key(host, port, keytype, keystr);
+
+ if (ret == 0) /* success - key matched OK */
+ return;
+
+ if (ret == 2) { /* key was different */
+ fprintf(stderr, wrongmsg, fingerprint);
+ fflush(stderr);
+ }
+ if (ret == 1) { /* key was absent */
+ fprintf(stderr, absentmsg, fingerprint);
+ fflush(stderr);
+ }
+
+ 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 (line[0] != '\0' && line[0] != '\r' && line[0] != '\n') {
+ if (line[0] == 'y' || line[0] == 'Y')
+ store_host_key(host, port, keytype, keystr);
+ } else {
+ fprintf(stderr, abandoned);
+ exit(0);
+ }
+}
+
+/*
+ * Ask whether the selected cipher is acceptable (since it was
+ * below the configured 'warn' threshold).
+ * cs: 0 = both ways, 1 = client->server, 2 = server->client
+ */
+void askcipher(char *ciphername, int cs)
+{
+ HANDLE hin;
+ DWORD savemode, i;
+
+ static const char msg[] =
+ "The first %scipher supported by the server is\n"
+ "%s, which is below the configured warning threshold.\n"
+ "Continue with connection? (y/n) ";
+ static const char abandoned[] = "Connection abandoned.\n";
+
+ char line[32];
+
+ fprintf(stderr, msg,
+ (cs == 0) ? "" :
+ (cs == 1) ? "client-to-server " :
+ "server-to-client ",
+ ciphername);
+ fflush(stderr);
+
+ 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 (line[0] == 'y' || line[0] == 'Y') {
+ return;
+ } else {
+ fprintf(stderr, abandoned);
+ exit(0);
+ }
+}
+
+/*
+ * Warn about the obsolescent key file format.
+ */
+void old_keyfile_warning(void)
+{
+ static const char message[] =
+ "You are loading an SSH 2 private key which has an\n"
+ "old version of the file format. This means your key\n"
+ "file is not fully tamperproof. Future versions of\n"
+ "PuTTY may stop supporting this private key format,\n"
+ "so we recommend you convert your key to the new\n"
+ "format.\n"
+ "\n"
+ "Once the key is loaded into PuTTYgen, you can perform\n"
+ "this conversion simply by saving it again.\n";
+
+ fputs(message, stderr);
+}
+
+HANDLE inhandle, outhandle, errhandle;
+DWORD orig_console_mode;
+
+WSAEVENT netevent;
+
+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);
+}