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$NetBSD: patch-random_rndunix.c,v 1.1 2015/01/05 21:56:16 wiz Exp $
From: Werner Koch <wk@gnupg.org>
Date: Mon, 5 Jan 2015 18:38:29 +0000 (+0100)
Subject: random: Silent warning under NetBSD using rndunix
X-Git-Url: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commitdiff_plain;h=817472358a093438e802380caecf7139406400cf;hp=8c5eee51d9a25b143e41ffb7ff4a6b2a29b82d83
random: Silent warning under NetBSD using rndunix
* random/rndunix.c (STDERR_FILENO): Define if needed.
(start_gatherer): Re-open standard descriptors. Fix an
unsigned/signed pointer warning.
--
GnuPG-bug-id: 1702
--- random/rndunix.c.orig 2013-12-12 14:15:04.000000000 +0000
+++ random/rndunix.c
@@ -144,6 +144,9 @@
#ifndef STDOUT_FILENO
#define STDOUT_FILENO 1
#endif
+#ifndef STDERR_FILENO
+#define STDERR_FILENO 2
+#endif
#define GATHER_BUFSIZE 49152 /* Usually about 25K are filled */
@@ -766,13 +769,27 @@ start_gatherer( int pipefd )
fclose(stderr); /* Arrghh!! It's Stuart code!! */
+ /* Mary goes to Berkeley: NetBSD emits warnings if the standard
+ descriptors are not open when running setuid program. Thus we
+ connect them to the bitbucket if they are not already open. */
+ {
+ struct stat statbuf;
+
+ if (fstat (STDIN_FILENO, &statbuf) == -1 && errno == EBADF)
+ open ("/dev/null",O_RDONLY);
+ if (fstat (STDOUT_FILENO, &statbuf) == -1 && errno == EBADF)
+ open ("/dev/null",O_WRONLY);
+ if (fstat (STDERR_FILENO, &statbuf) == -1 && errno == EBADF)
+ open ("/dev/null",O_WRONLY);
+ }
+
for(;;) {
GATHER_MSG msg;
size_t nbytes;
const char *p;
msg.usefulness = slow_poll( dbgfp, dbgall, &nbytes );
- p = gather_buffer;
+ p = (const char*)gather_buffer;
while( nbytes ) {
msg.ndata = nbytes > sizeof(msg.data)? sizeof(msg.data) : nbytes;
memcpy( msg.data, p, msg.ndata );
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