- djm@cvs.openbsd.org 2004/10/29 22:53:56

     [clientloop.c misc.h readpass.c ssh-agent.c]
     factor out common permission-asking code to separate function; ok markus@

1 files changed, 27 insertions, 1 deletions

diff --git a/readpass.c b/readpass.c
index eb4f6fdb6..c2bacdcd4 100644
--- a/readpass.c
+++ b/readpass.c
@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: readpass.c,v 1.30 2004/06/17 15:10:14 djm Exp $");
+RCSID("$OpenBSD: readpass.c,v 1.31 2004/10/29 22:53:56 djm Exp $");
 
 #include "xmalloc.h"
 #include "misc.h"
@@ -141,3 +141,29 @@ read_passphrase(const char *prompt, int flags)
         memset(buf, 'x', sizeof buf);
         return ret;
 }
+
+int
+ask_permission(const char *fmt, ...)
+{
+        va_list args;
+        char *p, prompt[1024];
+        int allowed = 0;
+
+        va_start(args, fmt);
+        vsnprintf(prompt, sizeof(prompt), fmt, args);
+        va_end(args);
+
+        p = read_passphrase(prompt, RP_USE_ASKPASS|RP_ALLOW_EOF);
+        if (p != NULL) {
+                /*
+                 * Accept empty responses and responses consisting
+                 * of the word "yes" as affirmative.
+                 */
+                if (*p == '\0' || *p == '\n' ||
+                    strcasecmp(p, "yes") == 0)
+                        allowed = 1;
+                xfree(p);
+        }
+
+        return (allowed);
+}