1 files changed, 428 insertions, 428 deletions
diff --git a/tools/plink/wincons.c b/tools/plink/wincons.c
index 41bbc130d..508be3f8d 100644
--- a/tools/plink/wincons.c
+++ b/tools/plink/wincons.c
@@ -1,428 +1,428 @@
-/*
- * wincons.c - various interactive-prompt routines shared between
- * the Windows console PuTTY tools
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-
-#include "putty.h"
-#include "storage.h"
-#include "ssh.h"
-
-int console_batch_mode = FALSE;
-
-static void *console_logctx = NULL;
-
-/*
- * Clean up and exit.
- */
-void cleanup_exit(int code)
-{
-    /*
-     * Clean up.
-     */
-    sk_cleanup();
-
-    random_save_seed();
-#ifdef MSCRYPTOAPI
-    crypto_wrapup();
-#endif
-
-    exit(code);
-}
-
-void set_busy_status(void *frontend, int status)
-{
-}
-
-void notify_remote_exit(void *frontend)
-{
-}
-
-void timer_change_notify(long next)
-{
-}
-
-int verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
-                        char *keystr, char *fingerprint,
-                        void (*callback)(void *ctx, int result), void *ctx)
-{
-    int ret;
-    HANDLE hin;
-    DWORD savemode, i;
-
-    static const char absentmsg_batch[] =
-	"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 %s key fingerprint is:\n"
-	"%s\n"
-	"Connection abandoned.\n";
-    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 %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_batch[] =
-	"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 %s key fingerprint is:\n"
-	"%s\n"
-	"Connection abandoned.\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 %s 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 1;
-
-    if (ret == 2) {		       /* key was different */
-	if (console_batch_mode) {
-	    fprintf(stderr, wrongmsg_batch, keytype, fingerprint);
-            return 0;
-	}
-	fprintf(stderr, wrongmsg, keytype, fingerprint);
-	fflush(stderr);
-    }
-    if (ret == 1) {		       /* key was absent */
-	if (console_batch_mode) {
-	    fprintf(stderr, absentmsg_batch, keytype, fingerprint);
-            return 0;
-	}
-	fprintf(stderr, absentmsg, keytype, 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);
-        return 1;
-    } else {
-	fprintf(stderr, abandoned);
-        return 0;
-    }
-}
-
-void update_specials_menu(void *frontend)
-{
-}
-
-/*
- * Ask whether the selected algorithm is acceptable (since it was
- * below the configured 'warn' threshold).
- */
-int askalg(void *frontend, const char *algtype, const char *algname,
-	   void (*callback)(void *ctx, int result), void *ctx)
-{
-    HANDLE hin;
-    DWORD savemode, i;
-
-    static const char msg[] =
-	"The first %s supported by the server is\n"
-	"%s, which is below the configured warning threshold.\n"
-	"Continue with connection? (y/n) ";
-    static const char msg_batch[] =
-	"The first %s supported by the server is\n"
-	"%s, which is below the configured warning threshold.\n"
-	"Connection abandoned.\n";
-    static const char abandoned[] = "Connection abandoned.\n";
-
-    char line[32];
-
-    if (console_batch_mode) {
-	fprintf(stderr, msg_batch, algtype, algname);
-	return 0;
-    }
-
-    fprintf(stderr, msg, algtype, algname);
-    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 1;
-    } else {
-	fprintf(stderr, abandoned);
-	return 0;
-    }
-}
-
-/*
- * Ask whether to wipe a session log file before writing to it.
- * Returns 2 for wipe, 1 for append, 0 for cancel (don't log).
- */
-int askappend(void *frontend, Filename *filename,
-	      void (*callback)(void *ctx, int result), void *ctx)
-{
-    HANDLE hin;
-    DWORD savemode, i;
-
-    static const char msgtemplate[] =
-	"The session log file \"%.*s\" already exists.\n"
-	"You can overwrite it with a new session log,\n"
-	"append your session log to the end of it,\n"
-	"or disable session logging for this session.\n"
-	"Enter \"y\" to wipe the file, \"n\" to append to it,\n"
-	"or just press Return to disable logging.\n"
-	"Wipe the log file? (y/n, Return cancels logging) ";
-
-    static const char msgtemplate_batch[] =
-	"The session log file \"%.*s\" already exists.\n"
-	"Logging will not be enabled.\n";
-
-    char line[32];
-
-    if (console_batch_mode) {
-	fprintf(stderr, msgtemplate_batch, FILENAME_MAX, filename->path);
-	fflush(stderr);
-	return 0;
-    }
-    fprintf(stderr, msgtemplate, FILENAME_MAX, filename->path);
-    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 2;
-    else if (line[0] == 'n' || line[0] == 'N')
-	return 1;
-    else
-	return 0;
-}
-
-/*
- * Warn about the obsolescent key file format.
- * 
- * Uniquely among these functions, this one does _not_ expect a
- * frontend handle. This means that if PuTTY is ported to a
- * platform which requires frontend handles, this function will be
- * an anomaly. Fortunately, the problem it addresses will not have
- * been present on that platform, so it can plausibly be
- * implemented as an empty function.
- */
-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);
-}
-
-/*
- * Display the fingerprints of the PGP Master Keys to the user.
- */
-void pgp_fingerprints(void)
-{
-    fputs("These are the fingerprints of the PuTTY PGP Master Keys. They can\n"
-	  "be used to establish a trust path from this executable to another\n"
-	  "one. See the manual for more information.\n"
-	  "(Note: these fingerprints have nothing to do with SSH!)\n"
-	  "\n"
-	  "PuTTY Master Key (RSA), 1024-bit:\n"
-	  "  " PGP_RSA_MASTER_KEY_FP "\n"
-	  "PuTTY Master Key (DSA), 1024-bit:\n"
-	  "  " PGP_DSA_MASTER_KEY_FP "\n", stdout);
-}
-
-void console_provide_logctx(void *logctx)
-{
-    console_logctx = logctx;
-}
-
-void logevent(void *frontend, const char *string)
-{
-    log_eventlog(console_logctx, string);
-}
-
-static void console_data_untrusted(HANDLE hout, const char *data, int len)
-{
-    DWORD dummy;
-    /* FIXME: control-character filtering */
-    WriteFile(hout, data, len, &dummy, NULL);
-}
-
-int console_get_userpass_input(prompts_t *p, unsigned char *in, int inlen)
-{
-    HANDLE hin, hout;
-    size_t curr_prompt;
-
-    /*
-     * Zero all the results, in case we abort half-way through.
-     */
-    {
-	int i;
-	for (i = 0; i < (int)p->n_prompts; i++)
-            prompt_set_result(p->prompts[i], "");
-    }
-
-    /*
-     * The prompts_t might contain a message to be displayed but no
-     * actual prompt. More usually, though, it will contain
-     * questions that the user needs to answer, in which case we
-     * need to ensure that we're able to get the answers.
-     */
-    if (p->n_prompts) {
-	if (console_batch_mode)
-	    return 0;
-	hin = GetStdHandle(STD_INPUT_HANDLE);
-	if (hin == INVALID_HANDLE_VALUE) {
-	    fprintf(stderr, "Cannot get standard input handle\n");
-	    cleanup_exit(1);
-	}
-    }
-
-    /*
-     * And if we have anything to print, we need standard output.
-     */
-    if ((p->name_reqd && p->name) || p->instruction || p->n_prompts) {
-	hout = GetStdHandle(STD_OUTPUT_HANDLE);
-	if (hout == INVALID_HANDLE_VALUE) {
-	    fprintf(stderr, "Cannot get standard output handle\n");
-	    cleanup_exit(1);
-	}
-    }
-
-    /*
-     * Preamble.
-     */
-    /* We only print the `name' caption if we have to... */
-    if (p->name_reqd && p->name) {
-	size_t l = strlen(p->name);
-	console_data_untrusted(hout, p->name, l);
-	if (p->name[l-1] != '\n')
-	    console_data_untrusted(hout, "\n", 1);
-    }
-    /* ...but we always print any `instruction'. */
-    if (p->instruction) {
-	size_t l = strlen(p->instruction);
-	console_data_untrusted(hout, p->instruction, l);
-	if (p->instruction[l-1] != '\n')
-	    console_data_untrusted(hout, "\n", 1);
-    }
-
-    for (curr_prompt = 0; curr_prompt < p->n_prompts; curr_prompt++) {
-
-	DWORD savemode, newmode;
-        int len;
-	prompt_t *pr = p->prompts[curr_prompt];
-
-	GetConsoleMode(hin, &savemode);
-	newmode = savemode | ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT;
-	if (!pr->echo)
-	    newmode &= ~ENABLE_ECHO_INPUT;
-	else
-	    newmode |= ENABLE_ECHO_INPUT;
-	SetConsoleMode(hin, newmode);
-
-	console_data_untrusted(hout, pr->prompt, strlen(pr->prompt));
-
-        len = 0;
-        while (1) {
-            DWORD ret = 0;
-            BOOL r;
-
-            prompt_ensure_result_size(pr, len * 5 / 4 + 512);
-
-            r = ReadFile(hin, pr->result + len, pr->resultsize - len - 1,
-                         &ret, NULL);
-
-            if (!r || ret == 0) {
-                len = -1;
-                break;
-            }
-            len += ret;
-            if (pr->result[len - 1] == '\n') {
-                len--;
-                if (pr->result[len - 1] == '\r')
-                    len--;
-                break;
-            }
-        }
-
-	SetConsoleMode(hin, savemode);
-
-	if (!pr->echo) {
-	    DWORD dummy;
-	    WriteFile(hout, "\r\n", 2, &dummy, NULL);
-	}
-
-        if (len < 0) {
-            return 0;                  /* failure due to read error */
-        }
-
-	pr->result[len] = '\0';
-    }
-
-    return 1; /* success */
-}
-
-void frontend_keypress(void *handle)
-{
-    /*
-     * This is nothing but a stub, in console code.
-     */
-    return;
-}
+/*
+ * wincons.c - various interactive-prompt routines shared between
+ * the Windows console PuTTY tools
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+#include "putty.h"
+#include "storage.h"
+#include "ssh.h"
+
+int console_batch_mode = FALSE;
+
+static void *console_logctx = NULL;
+
+/*
+ * Clean up and exit.
+ */
+void cleanup_exit(int code)
+{
+    /*
+     * Clean up.
+     */
+    sk_cleanup();
+
+    random_save_seed();
+#ifdef MSCRYPTOAPI
+    crypto_wrapup();
+#endif
+
+    exit(code);
+}
+
+void set_busy_status(void *frontend, int status)
+{
+}
+
+void notify_remote_exit(void *frontend)
+{
+}
+
+void timer_change_notify(unsigned long next)
+{
+}
+
+int verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
+                        char *keystr, char *fingerprint,
+                        void (*callback)(void *ctx, int result), void *ctx)
+{
+    int ret;
+    HANDLE hin;
+    DWORD savemode, i;
+
+    static const char absentmsg_batch[] =
+	"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 %s key fingerprint is:\n"
+	"%s\n"
+	"Connection abandoned.\n";
+    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 %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_batch[] =
+	"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 %s key fingerprint is:\n"
+	"%s\n"
+	"Connection abandoned.\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 %s 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 1;
+
+    if (ret == 2) {		       /* key was different */
+	if (console_batch_mode) {
+	    fprintf(stderr, wrongmsg_batch, keytype, fingerprint);
+            return 0;
+	}
+	fprintf(stderr, wrongmsg, keytype, fingerprint);
+	fflush(stderr);
+    }
+    if (ret == 1) {		       /* key was absent */
+	if (console_batch_mode) {
+	    fprintf(stderr, absentmsg_batch, keytype, fingerprint);
+            return 0;
+	}
+	fprintf(stderr, absentmsg, keytype, 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);
+        return 1;
+    } else {
+	fprintf(stderr, abandoned);
+        return 0;
+    }
+}
+
+void update_specials_menu(void *frontend)
+{
+}
+
+/*
+ * Ask whether the selected algorithm is acceptable (since it was
+ * below the configured 'warn' threshold).
+ */
+int askalg(void *frontend, const char *algtype, const char *algname,
+	   void (*callback)(void *ctx, int result), void *ctx)
+{
+    HANDLE hin;
+    DWORD savemode, i;
+
+    static const char msg[] =
+	"The first %s supported by the server is\n"
+	"%s, which is below the configured warning threshold.\n"
+	"Continue with connection? (y/n) ";
+    static const char msg_batch[] =
+	"The first %s supported by the server is\n"
+	"%s, which is below the configured warning threshold.\n"
+	"Connection abandoned.\n";
+    static const char abandoned[] = "Connection abandoned.\n";
+
+    char line[32];
+
+    if (console_batch_mode) {
+	fprintf(stderr, msg_batch, algtype, algname);
+	return 0;
+    }
+
+    fprintf(stderr, msg, algtype, algname);
+    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 1;
+    } else {
+	fprintf(stderr, abandoned);
+	return 0;
+    }
+}
+
+/*
+ * Ask whether to wipe a session log file before writing to it.
+ * Returns 2 for wipe, 1 for append, 0 for cancel (don't log).
+ */
+int askappend(void *frontend, Filename *filename,
+	      void (*callback)(void *ctx, int result), void *ctx)
+{
+    HANDLE hin;
+    DWORD savemode, i;
+
+    static const char msgtemplate[] =
+	"The session log file \"%.*s\" already exists.\n"
+	"You can overwrite it with a new session log,\n"
+	"append your session log to the end of it,\n"
+	"or disable session logging for this session.\n"
+	"Enter \"y\" to wipe the file, \"n\" to append to it,\n"
+	"or just press Return to disable logging.\n"
+	"Wipe the log file? (y/n, Return cancels logging) ";
+
+    static const char msgtemplate_batch[] =
+	"The session log file \"%.*s\" already exists.\n"
+	"Logging will not be enabled.\n";
+
+    char line[32];
+
+    if (console_batch_mode) {
+	fprintf(stderr, msgtemplate_batch, FILENAME_MAX, filename->path);
+	fflush(stderr);
+	return 0;
+    }
+    fprintf(stderr, msgtemplate, FILENAME_MAX, filename->path);
+    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 2;
+    else if (line[0] == 'n' || line[0] == 'N')
+	return 1;
+    else
+	return 0;
+}
+
+/*
+ * Warn about the obsolescent key file format.
+ * 
+ * Uniquely among these functions, this one does _not_ expect a
+ * frontend handle. This means that if PuTTY is ported to a
+ * platform which requires frontend handles, this function will be
+ * an anomaly. Fortunately, the problem it addresses will not have
+ * been present on that platform, so it can plausibly be
+ * implemented as an empty function.
+ */
+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);
+}
+
+/*
+ * Display the fingerprints of the PGP Master Keys to the user.
+ */
+void pgp_fingerprints(void)
+{
+    fputs("These are the fingerprints of the PuTTY PGP Master Keys. They can\n"
+	  "be used to establish a trust path from this executable to another\n"
+	  "one. See the manual for more information.\n"
+	  "(Note: these fingerprints have nothing to do with SSH!)\n"
+	  "\n"
+	  "PuTTY Master Key (RSA), 1024-bit:\n"
+	  "  " PGP_RSA_MASTER_KEY_FP "\n"
+	  "PuTTY Master Key (DSA), 1024-bit:\n"
+	  "  " PGP_DSA_MASTER_KEY_FP "\n", stdout);
+}
+
+void console_provide_logctx(void *logctx)
+{
+    console_logctx = logctx;
+}
+
+void logevent(void *frontend, const char *string)
+{
+    log_eventlog(console_logctx, string);
+}
+
+static void console_data_untrusted(HANDLE hout, const char *data, int len)
+{
+    DWORD dummy;
+    /* FIXME: control-character filtering */
+    WriteFile(hout, data, len, &dummy, NULL);
+}
+
+int console_get_userpass_input(prompts_t *p, unsigned char *in, int inlen)
+{
+    HANDLE hin, hout;
+    size_t curr_prompt;
+
+    /*
+     * Zero all the results, in case we abort half-way through.
+     */
+    {
+	int i;
+	for (i = 0; i < (int)p->n_prompts; i++)
+            prompt_set_result(p->prompts[i], "");
+    }
+
+    /*
+     * The prompts_t might contain a message to be displayed but no
+     * actual prompt. More usually, though, it will contain
+     * questions that the user needs to answer, in which case we
+     * need to ensure that we're able to get the answers.
+     */
+    if (p->n_prompts) {
+	if (console_batch_mode)
+	    return 0;
+	hin = GetStdHandle(STD_INPUT_HANDLE);
+	if (hin == INVALID_HANDLE_VALUE) {
+	    fprintf(stderr, "Cannot get standard input handle\n");
+	    cleanup_exit(1);
+	}
+    }
+
+    /*
+     * And if we have anything to print, we need standard output.
+     */
+    if ((p->name_reqd && p->name) || p->instruction || p->n_prompts) {
+	hout = GetStdHandle(STD_OUTPUT_HANDLE);
+	if (hout == INVALID_HANDLE_VALUE) {
+	    fprintf(stderr, "Cannot get standard output handle\n");
+	    cleanup_exit(1);
+	}
+    }
+
+    /*
+     * Preamble.
+     */
+    /* We only print the `name' caption if we have to... */
+    if (p->name_reqd && p->name) {
+	size_t l = strlen(p->name);
+	console_data_untrusted(hout, p->name, l);
+	if (p->name[l-1] != '\n')
+	    console_data_untrusted(hout, "\n", 1);
+    }
+    /* ...but we always print any `instruction'. */
+    if (p->instruction) {
+	size_t l = strlen(p->instruction);
+	console_data_untrusted(hout, p->instruction, l);
+	if (p->instruction[l-1] != '\n')
+	    console_data_untrusted(hout, "\n", 1);
+    }
+
+    for (curr_prompt = 0; curr_prompt < p->n_prompts; curr_prompt++) {
+
+	DWORD savemode, newmode;
+        int len;
+	prompt_t *pr = p->prompts[curr_prompt];
+
+	GetConsoleMode(hin, &savemode);
+	newmode = savemode | ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT;
+	if (!pr->echo)
+	    newmode &= ~ENABLE_ECHO_INPUT;
+	else
+	    newmode |= ENABLE_ECHO_INPUT;
+	SetConsoleMode(hin, newmode);
+
+	console_data_untrusted(hout, pr->prompt, strlen(pr->prompt));
+
+        len = 0;
+        while (1) {
+            DWORD ret = 0;
+            BOOL r;
+
+            prompt_ensure_result_size(pr, len * 5 / 4 + 512);
+
+            r = ReadFile(hin, pr->result + len, pr->resultsize - len - 1,
+                         &ret, NULL);
+
+            if (!r || ret == 0) {
+                len = -1;
+                break;
+            }
+            len += ret;
+            if (pr->result[len - 1] == '\n') {
+                len--;
+                if (pr->result[len - 1] == '\r')
+                    len--;
+                break;
+            }
+        }
+
+	SetConsoleMode(hin, savemode);
+
+	if (!pr->echo) {
+	    DWORD dummy;
+	    WriteFile(hout, "\r\n", 2, &dummy, NULL);
+	}
+
+        if (len < 0) {
+            return 0;                  /* failure due to read error */
+        }
+
+	pr->result[len] = '\0';
+    }
+
+    return 1; /* success */
+}
+
+void frontend_keypress(void *handle)
+{
+    /*
+     * This is nothing but a stub, in console code.
+     */
+    return;
+}