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"
"%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 do not trust this host, enter \"n\" to abandon the\n"
- "connection.\n" "Continue connecting? (y/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 new key fingerprint is:\n"
"%s\n"
"If you were expecting this change and trust the new key,\n"
- "enter Yes to update PuTTY's cache and continue connecting.\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 No.\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"
if (ret == 0) /* success - key matched OK */
return;
+
if (ret == 2) { /* key was different */
fprintf(stderr, wrongmsg, fingerprint);
- if (fgets(line, sizeof(line), stdin) &&
- line[0] != '\0' && line[0] != '\n') {
- if (line[0] == 'y' || line[0] == 'Y')
- store_host_key(host, port, keytype, keystr);
- } else {
- fprintf(stderr, abandoned);
- exit(0);
- }
+ fflush(stderr);
}
if (ret == 1) { /* key was absent */
fprintf(stderr, absentmsg, fingerprint);
- if (fgets(line, sizeof(line), stdin) &&
- (line[0] == 'y' || line[0] == 'Y'))
+ 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);
- }
+ } else {
+ fprintf(stderr, abandoned);
+ exit(0);
}
}