From d3a0f7ef51f2f52ba076e1451c2cebea7051875b Mon Sep 17 00:00:00 2001
From: Danilo Almeida <dalmeida@mit.edu>
Date: Mon, 9 Aug 1999 21:46:49 +0000
Subject: [PATCH] Provide Win32 implementation so that kinit and such work
 under Win32

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@11635 dc483132-0cff-0310-8789-dd5450dbe970
---
 src/lib/krb5/os/ChangeLog  |   5 ++
 src/lib/krb5/os/prompter.c | 102 +++++++++++++++++++++++++++++++++++--
 2 files changed, 104 insertions(+), 3 deletions(-)

diff --git a/src/lib/krb5/os/ChangeLog b/src/lib/krb5/os/ChangeLog
index 147d54f0c..8f2afbe96 100644
--- a/src/lib/krb5/os/ChangeLog
+++ b/src/lib/krb5/os/ChangeLog
@@ -1,3 +1,8 @@
+1999-08-09  Danilo Almeida  <dalmeida@mit.edu>
+
+	* prompter.c (krb5_prompter_posix): Provide Win32 implementation
+	so that kinit and such work under Win32.
+
 1999-08-06  Danilo Almeida  <dalmeida@mit.edu>
 
 	* def_realm.c (krb5_get_default_realm): 
diff --git a/src/lib/krb5/os/prompter.c b/src/lib/krb5/os/prompter.c
index 684c5b509..b43e0ae0e 100644
--- a/src/lib/krb5/os/prompter.c
+++ b/src/lib/krb5/os/prompter.c
@@ -121,6 +121,102 @@ cleanup:
 }
 #else /* MSDOS */
 
+#if defined(_WIN32)
+
+#include <io.h>
+
+KRB5_DLLIMP krb5_error_code KRB5_CALLCONV
+krb5_prompter_posix(krb5_context context,
+		    void *data,
+		    const char *name,
+		    const char *banner,
+		    int num_prompts,
+		    krb5_prompt prompts[])
+{
+    HANDLE		handle;
+    DWORD		old_mode, new_mode;
+    char		*ptr;
+    int			scratchchar;
+    krb5_error_code	errcode = 0;
+    int			i;
+
+    handle = GetStdHandle(STD_INPUT_HANDLE);
+    if (handle == INVALID_HANDLE_VALUE)
+	return ENOTTY;
+    if (!GetConsoleMode(handle, &old_mode))
+	return ENOTTY;
+
+    new_mode = old_mode;
+    new_mode |=  ( ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT );
+    new_mode &= ~( ENABLE_ECHO_INPUT );
+
+    if (!SetConsoleMode(handle, new_mode))
+	return ENOTTY;
+
+    if (!SetConsoleMode(handle, old_mode))
+	return ENOTTY;
+
+    if (name) {
+	fputs(name, stdout);
+	fputs("\n", stdout);
+    }
+
+    if (banner) {
+       fputs(banner, stdout);
+       fputs("\n", stdout);
+    }
+
+    for (i = 0; i < num_prompts; i++) {
+	if (prompts[i].hidden) {
+	    if (!SetConsoleMode(handle, new_mode)) {
+		errcode = ENOTTY;
+		goto cleanup;
+	    }
+	}
+
+	fputs(prompts[i].prompt,stdout);
+	fputs(": ", stdout);
+	fflush(stdout);
+	memset(prompts[i].reply->data, 0, prompts[i].reply->length);
+
+	if (fgets(prompts[i].reply->data, prompts[i].reply->length, stdin)
+	    == NULL) {
+	    if (prompts[i].hidden)
+		putchar('\n');
+	    errcode = KRB5_LIBOS_CANTREADPWD;
+	    goto cleanup;
+	}
+	if (prompts[i].hidden)
+	    putchar('\n');
+	/* fgets always null-terminates the returned string */
+
+	/* replace newline with null */
+	if ((ptr = strchr(prompts[i].reply->data, '\n')))
+	    *ptr = '\0';
+	else /* flush rest of input line */
+	    do {
+		scratchchar = getchar();
+	    } while (scratchchar != EOF && scratchchar != '\n');
+    
+	prompts[i].reply->length = strlen(prompts[i].reply->data);
+
+	if (!SetConsoleMode(handle, old_mode)) {
+	    errcode = ENOTTY;
+	    goto cleanup;
+	}
+    }
+
+ cleanup:
+    if (errcode) {
+	for (i = 0; i < num_prompts; i++) {
+	    memset(prompts[i].reply->data, 0, prompts[i].reply->length);
+	}
+    }
+    return errcode;
+}
+
+#else /* !_WIN32 */
+
 KRB5_DLLIMP krb5_error_code KRB5_CALLCONV
 krb5_prompter_posix(krb5_context context,
 		    void *data,
@@ -129,7 +225,7 @@ krb5_prompter_posix(krb5_context context,
 		    int num_prompts,
 		    krb5_prompt prompts[])
 {
-   return(EINVAL);
+    return(EINVAL);
 }
-#endif   /* !MSDOS */
-   
+#endif /* !_WIN32 */
+#endif /* !MSDOS */
-- 
2.26.2