Attachment 2372 Details for Bug 2168 – Detect arc4random_stir() availability

[patch] Detect arc4random_stir() availability

openssh-portable-arc4random_stir.diff (text/plain), 1.35 KB, created by Jeremie Courreges-Anglas on 2013-11-06 23:56:52 AEDT

(hide)

Description:

Filename:

MIME Type:

Creator: Jeremie Courreges-Anglas

Created: 2013-11-06 23:56:52 AEDT

Size: 1.35 KB

patch

obsolete

>Index: configure.ac
>===================================================================
>RCS file: /cvs/openssh/configure.ac,v
>retrieving revision 1.536
>diff -u -p -r1.536 configure.ac
>--- configure.ac	4 Aug 2013 11:48:41 -0000	1.536
>+++ configure.ac	6 Nov 2013 12:51:02 -0000
>@@ -1528,6 +1528,7 @@ dnl    Checks for library functions. Ple
> AC_CHECK_FUNCS([ \
> 	arc4random \
> 	arc4random_buf \
>+	arc4random_stir \
> 	arc4random_uniform \
> 	asprintf \
> 	b64_ntop \
>Index: openbsd-compat/openbsd-compat.h
>===================================================================
>RCS file: /cvs/openssh/openbsd-compat/openbsd-compat.h,v
>retrieving revision 1.58
>diff -u -p -r1.58 openbsd-compat.h
>--- openbsd-compat/openbsd-compat.h	5 Jun 2013 22:30:21 -0000	1.58
>+++ openbsd-compat/openbsd-compat.h	6 Nov 2013 12:51:02 -0000
>@@ -163,10 +163,16 @@ int writev(int, struct iovec *, int);
> int getpeereid(int , uid_t *, gid_t *);
> #endif 
> 
>-#ifndef HAVE_ARC4RANDOM
>+#ifdef HAVE_ARC4RANDOM
>+/* If the platform doesn't provide arc4random_stir() then its
>+   arc4random implementation does not need manual reseeding. */
>+# ifndef HAVE_ARC4RANDOM_STIR
>+#  define arc4random_stir() ((void)0)
>+# endif
>+#else
> unsigned int arc4random(void);
> void arc4random_stir(void);
>-#endif /* !HAVE_ARC4RANDOM */
>+#endif /* HAVE_ARC4RANDOM */
> 
> #ifndef HAVE_ARC4RANDOM_BUF
> void arc4random_buf(void *, size_t);

Actions: View | Diff

Attachments on bug 2168: 2372