X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/2d466ffd08675d26db45e524c2fe6a8cf4628e2b..421e689af0c5510bdc8d37cef225359294cdabe4:/scp.c diff --git a/scp.c b/scp.c index 871d01de..dcf80b2f 100644 --- a/scp.c +++ b/scp.c @@ -93,6 +93,8 @@ 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" @@ -102,8 +104,11 @@ void verify_ssh_host_key(char *host, int port, char *keytype, "%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" @@ -115,9 +120,9 @@ void verify_ssh_host_key(char *host, int port, char *keytype, "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" @@ -134,28 +139,29 @@ void verify_ssh_host_key(char *host, int port, char *keytype, if (ret == 0) /* success - key matched OK */ return; + if (ret == 2) { /* key was different */ fprintf(stderr, wrongmsg, fingerprint); fflush(stderr); - 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); - fflush(stderr); - exit(0); - } } 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); } }