Update from newpg.

assuan/ChangeLog

@@ -1,3 +1,17 @@
+2001-12-14  Marcus Brinkmann  <marcus@g10code.de>
+
+	* assuan-connect.c (assuan_pipe_connect): New argument
+	FD_CHILD_LIST.  Don't close those fds.
+	* assuan.h: Likewise for prototype.
+
+2001-12-14  Werner Koch  <wk@gnupg.org>
+
+	* assuan-listen.c (assuan_close_input_fd): New.
+	(assuan_close_output_fd): New.
+	* assuan-handler.c (std_handler_reset): Always close them after a
+	reset command.
+	(std_handler_bye): Likewise.
+
 2001-12-14  Marcus Brinkmann  <marcus@g10code.de>
 
 	* assuan-buffer.c (_assuan_read_line): New variable ATTICLEN, use
@@ -9,11 +23,6 @@
 	* assuan-defs.h (LINELENGTH): Define as ASSUAN_LINELENGTH.
 	assuan.h: Define ASSUAN_LINELENGTH.
 
-2001-12-13  Marcus Brinkmann  <marcus@g10code.de>
-
-	* assuan-connect.c (assuan_pipe_connect): Remove code that closes
-	all the little file descriptors we set up.
-
 2001-12-13  Marcus Brinkmann  <marcus@g10code.de>
 
 	* assuan-buffer.c (assuan_read_line): Fix order of execution to

assuan/assuan-connect.c

@@ -71,9 +71,11 @@ writen ( int fd, const char *buffer, size_t length )
 
 /* Connect to a server over a pipe, creating the assuan context and
    returning it in CTX.  The server filename is NAME, the argument
-   vector in ARGV.  */
+   vector in ARGV.  FD_CHILD_LIST is a -1 terminated list of file
+   descriptors not to close in the child.  */
 AssuanError
-assuan_pipe_connect (ASSUAN_CONTEXT *ctx, const char *name, char *const argv[])
+assuan_pipe_connect (ASSUAN_CONTEXT *ctx, const char *name, char *const argv[],
+		     int *fd_child_list)
 {
   static int fixed_signals = 0;
   AssuanError err;
@@ -137,10 +139,35 @@ assuan_pipe_connect (ASSUAN_CONTEXT *ctx, const char *name, char *const argv[])
 
   if ((*ctx)->pid == 0)
     {
+      int i, n;
       char errbuf[512];
+#ifdef HAVE_JNLIB_LOGGING
+      int log_fd = log_get_fd (); 
+#endif
+      /* close all files which will not be duped but keep stderr
+         and log_stream for now */
+      n = sysconf (_SC_OPEN_MAX);
+      if (n < 0)
+        n = MAX_OPEN_FDS;
+      for (i=0; i < n; i++)
+        {
+	  int *fdp = fd_child_list;
 
-      close (rp[0]);
+	  if (fdp)
-      close (wp[1]);
+	    {
+	      while (*fdp != -1 && *fdp != i)
+		fdp++;
+	    }
+
+          if (!(fdp && *fdp != -1)
+	      && i != fileno (stderr) 
+#ifdef HAVE_JNLIB_LOGGING
+              && i != log_fd
+#endif
+              && i != rp[1] && i != wp[0])
+            close(i);
+        }
+      errno = 0;
 
       /* Dup handles and to stdin/stdout and exec */
       if (rp[1] != STDOUT_FILENO)

assuan/assuan-handler.c

@@ -54,6 +54,8 @@ std_handler_bye (ASSUAN_CONTEXT ctx, char *line)
 {
   if (ctx->bye_notify_fnc)
     ctx->bye_notify_fnc (ctx);
+  assuan_close_input_fd (ctx);
+  assuan_close_output_fd (ctx);
   return -1; /* pretty simple :-) */
 }
   
@@ -68,6 +70,8 @@ std_handler_reset (ASSUAN_CONTEXT ctx, char *line)
 {
   if (ctx->reset_notify_fnc)
     ctx->reset_notify_fnc (ctx);
+  assuan_close_input_fd (ctx);
+  assuan_close_output_fd (ctx);
   return 0;
 }
   
@@ -458,7 +462,8 @@ assuan_process_next (ASSUAN_CONTEXT ctx)
  * 
  * Return all active filedescriptors for the given context.  This
  * function can be used to select on the fds and call
- * assuan_process_next() if there is an active one.
+ * assuan_process_next() if there is an active one.  The first fd in
+ * the array is the one used for the command connection.
  *
  * Note, that write FDs are not yet supported.
  * 

assuan/assuan-listen.c

@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "assuan-defs.h"
 
@@ -106,3 +107,28 @@ assuan_get_output_fd (ASSUAN_CONTEXT ctx)
 }
 
 
+/* Close the fd descriptor set by the command INPUT FD=n.  We handle
+   this fd inside assuan so that we can do some initial checks */
+AssuanError
+assuan_close_input_fd (ASSUAN_CONTEXT ctx)
+{
+  if (!ctx || ctx->input_fd == -1)
+    return ASSUAN_Invalid_Value;
+  close (ctx->input_fd);
+  ctx->input_fd = -1;
+  return 0;
+}
+
+/* Close the fd descriptor set by the command OUTPUT FD=n.  We handle
+   this fd inside assuan so that we can do some initial checks */
+AssuanError
+assuan_close_output_fd (ASSUAN_CONTEXT ctx)
+{
+  if (!ctx || ctx->output_fd == -1)
+    return ASSUAN_Invalid_Value;
+
+  close (ctx->output_fd);
+  ctx->output_fd = -1;
+  return 0;
+}
+

assuan/assuan.h

@@ -136,6 +136,8 @@ AssuanError assuan_set_hello_line (ASSUAN_CONTEXT ctx, const char *line);
 AssuanError assuan_accept (ASSUAN_CONTEXT ctx);
 int assuan_get_input_fd (ASSUAN_CONTEXT ctx);
 int assuan_get_output_fd (ASSUAN_CONTEXT ctx);
+AssuanError assuan_close_input_fd (ASSUAN_CONTEXT ctx);
+AssuanError assuan_close_output_fd (ASSUAN_CONTEXT ctx);
 
 
 /*-- assuan-pipe-server.c --*/
@@ -145,7 +147,7 @@ void assuan_deinit_pipe_server (ASSUAN_CONTEXT ctx);
 
 /*-- assuan-connect.c --*/
 AssuanError assuan_pipe_connect (ASSUAN_CONTEXT *ctx, const char *name,
-                                 char *const argv[]);
+                                 char *const argv[], int *fd_child_list);
 void assuan_pipe_disconnect (ASSUAN_CONTEXT ctx);
 pid_t assuan_get_pid (ASSUAN_CONTEXT ctx);
 
@@ -189,5 +191,3 @@ const char *assuan_strerror (AssuanError err);
 }
 #endif
 #endif /*ASSUAN_H*/
-
-