* assuan-handler.c (assuan_set_okay_line): New.

(process_request): And use it here.

assuan/ChangeLog

@@ -1,3 +1,14 @@
+2002-01-03  Werner Koch  <wk@gnupg.org>
+
+	* assuan-handler.c (assuan_set_okay_line): New.
+	(process_request): And use it here.
+
+2002-01-02  Werner Koch  <wk@gnupg.org>
+
+	* assuan-inquire.c (init_membuf,put_membuf,get_membuf): Apply a
+	hidden 0 behind the buffer so that the buffer can be used as a
+	string in certain contexts.
+
 2001-12-14  Marcus Brinkmann  <marcus@g10code.de>
 
 	* assuan-connect.c (assuan_pipe_connect): New argument
@@ -90,7 +101,7 @@
      * You may find it source-copied in other packages.        *
      ***********************************************************	
 	
- Copyright 2001 Free Software Foundation, Inc.
+ Copyright 2001, 2002 Free Software Foundation, Inc.
 
  This file is free software; as a special exception the author gives
  unlimited permission to copy and/or distribute it, with or without

assuan/assuan-defs.h

@@ -39,6 +39,7 @@ struct assuan_context_s {
   int is_server;  /* set if this is context belongs to a server */
   int in_inquire;
   char *hello_line;
+  char *okay_line; /* see assan_set_okay_line() */
   
   void *user_pointer;  /* for assuan_[gs]et_pointer () */
 

assuan/assuan-handler.c

@@ -382,7 +382,7 @@ process_request (ASSUAN_CONTEXT ctx)
   /* Error handling */
   if (!rc)
     {
-      rc = assuan_write_line (ctx, "OK");
+      rc = assuan_write_line (ctx, ctx->okay_line? ctx->okay_line : "OK");
     }
   else if (rc == -1)
     { /* No error checking because the peer may have already disconnect */ 
@@ -405,6 +405,11 @@ process_request (ASSUAN_CONTEXT ctx)
       rc = assuan_write_line (ctx, errline);
     }
 
+  if (ctx->okay_line)
+    {
+      xfree (ctx->okay_line);
+      ctx->okay_line = NULL;
+    }
   return rc;
 }
 
@@ -522,6 +527,35 @@ assuan_get_data_fp (ASSUAN_CONTEXT ctx)
 }
 
 
+/* Set the text used for the next OK reponse.  This string is
+   automatically reset to NULL after the next command. */
+AssuanError
+assuan_set_okay_line (ASSUAN_CONTEXT ctx, const char *line)
+{
+  if (!ctx)
+    return ASSUAN_Invalid_Value;
+  if (!line)
+    {
+      xfree (ctx->okay_line);
+      ctx->okay_line = NULL;
+    }
+  else
+    {
+      /* FIXME: we need to use gcry_is_secure() to test whether
+         we should allocate the entire line in secure memory */
+      char *buf = xtrymalloc (3+strlen(line)+1);
+      if (!buf)
+        return ASSUAN_Out_Of_Core;
+      strcpy (buf, "OK ");
+      strcpy (buf+3, line);
+      xfree (ctx->okay_line);
+      ctx->okay_line = buf;
+    }
+  return 0;
+}
+
+
+
 void
 assuan_write_status (ASSUAN_CONTEXT ctx, const char *keyword, const char *text)
 {

assuan/assuan-inquire.c

@@ -1,5 +1,5 @@
 /* assuan-inquire.c - handle inquire stuff
- *	Copyright (C) 2001 Free Software Foundation, Inc.
+ *	Copyright (C) 2001, 2002 Free Software Foundation, Inc.
  *
  * This file is part of GnuPG.
  *
@@ -56,7 +56,8 @@ init_membuf (struct membuf *mb, int initiallen, size_t maxlen)
   mb->out_of_core = 0;
   mb->too_large = 0;
   mb->maxlen = maxlen;
-  mb->buf = xtrymalloc (initiallen);
+  /* we need to allocate one byte more for get_membuf */
+  mb->buf = xtrymalloc (initiallen+1);
   if (!mb->buf)
       mb->out_of_core = 1;
 }
@@ -78,7 +79,8 @@ put_membuf (struct membuf *mb, const void *buf, size_t len)
       char *p;
       
       mb->size += len + 1024;
-      p = xtryrealloc (mb->buf, mb->size);
+      /* we need to allocate one byte more for get_membuf */
+      p = xtryrealloc (mb->buf, mb->size+1);
       if (!p)
         {
           mb->out_of_core = 1;
@@ -102,6 +104,7 @@ get_membuf (struct membuf *mb, size_t *len)
       return NULL;
     }
 
+  mb->buf[mb->len] = 0; /* there is enough space for the hidden eos */
   p = mb->buf;
   *len = mb->len;
   mb->buf = NULL;

assuan/assuan-pipe-server.c

@@ -58,6 +58,7 @@ assuan_deinit_pipe_server (ASSUAN_CONTEXT ctx)
   if (ctx)
     {
       xfree (ctx->hello_line);
+      xfree (ctx->okay_line);
       xfree (ctx);
     }
 }

assuan/assuan.h

@@ -127,6 +127,7 @@ int assuan_get_active_fds (ASSUAN_CONTEXT ctx, int what,
 
 
 FILE *assuan_get_data_fp (ASSUAN_CONTEXT ctx);
+AssuanError assuan_set_okay_line (ASSUAN_CONTEXT ctx, const char *line);
 void assuan_write_status (ASSUAN_CONTEXT ctx,
                           const char *keyword, const char *text);