Module Name:    src
Committed By:   pooka
Date:           Tue Jul  6 13:27:17 UTC 2010

Modified Files:
        src/lib/libpuffs: puffs.c
        src/usr.sbin/puffs/rump_syspuffs: rump_syspuffs.c

Log Message:
When using the top secret PUFFS_COMFD model, write out size of the
puffs kernel args before the contents.  This allows parties which
have no clue about the contents to proxy the protocol easily.


To generate a diff of this commit:
cvs rdiff -u -r1.110 -r1.111 src/lib/libpuffs/puffs.c
cvs rdiff -u -r1.10 -r1.11 src/usr.sbin/puffs/rump_syspuffs/rump_syspuffs.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/lib/libpuffs/puffs.c
diff -u src/lib/libpuffs/puffs.c:1.110 src/lib/libpuffs/puffs.c:1.111
--- src/lib/libpuffs/puffs.c:1.110	Mon Jun  7 11:22:36 2010
+++ src/lib/libpuffs/puffs.c	Tue Jul  6 13:27:16 2010
@@ -1,4 +1,4 @@
-/*	$NetBSD: puffs.c,v 1.110 2010/06/07 11:22:36 pooka Exp $	*/
+/*	$NetBSD: puffs.c,v 1.111 2010/07/06 13:27:16 pooka Exp $	*/
 
 /*
  * Copyright (c) 2005, 2006, 2007  Antti Kantee.  All Rights Reserved.
@@ -31,7 +31,7 @@
 
 #include <sys/cdefs.h>
 #if !defined(lint)
-__RCSID("$NetBSD: puffs.c,v 1.110 2010/06/07 11:22:36 pooka Exp $");
+__RCSID("$NetBSD: puffs.c,v 1.111 2010/07/06 13:27:16 pooka Exp $");
 #endif /* !lint */
 
 #include <sys/param.h>
@@ -556,8 +556,6 @@
 			rv = -1;
 			goto out;
 		}
-			
-		len = strlen(dir)+1;
 
 #define allwrite(buf, len)						\
 do {									\
@@ -567,16 +565,18 @@
 		if (al_rv != -1)					\
 			errno = EIO;					\
 		rv = -1;						\
-		abort();\
 		goto out;						\
 	}								\
 } while (/*CONSTCOND*/0)
+		len = strlen(dir)+1;
 		allwrite(&len, sizeof(len));
 		allwrite(dir, len);
 		len = strlen(pu->pu_kargp->pa_mntfromname)+1;
 		allwrite(&len, sizeof(len));
 		allwrite(pu->pu_kargp->pa_mntfromname, len);
 		allwrite(&mntflags, sizeof(mntflags));
+		len = sizeof(*pu->pu_kargp);
+		allwrite(&len, sizeof(len));
 		allwrite(pu->pu_kargp, sizeof(*pu->pu_kargp));
 		allwrite(&pu->pu_flags, sizeof(pu->pu_flags));
 #undef allwrite

Index: src/usr.sbin/puffs/rump_syspuffs/rump_syspuffs.c
diff -u src/usr.sbin/puffs/rump_syspuffs/rump_syspuffs.c:1.10 src/usr.sbin/puffs/rump_syspuffs/rump_syspuffs.c:1.11
--- src/usr.sbin/puffs/rump_syspuffs/rump_syspuffs.c:1.10	Tue Oct 20 02:14:54 2009
+++ src/usr.sbin/puffs/rump_syspuffs/rump_syspuffs.c	Tue Jul  6 13:27:16 2010
@@ -1,4 +1,4 @@
-/*	$NetBSD: rump_syspuffs.c,v 1.10 2009/10/20 02:14:54 pooka Exp $	*/
+/*	$NetBSD: rump_syspuffs.c,v 1.11 2010/07/06 13:27:16 pooka Exp $	*/
 
 /*
  * Copyright (c) 2008 Antti Kantee.  All Rights Reserved.
@@ -139,6 +139,8 @@
 		err(1, "fn 2");
 	if (read(sv[1], mntflags, sizeof(*mntflags)) != sizeof(*mntflags))
 		err(1, "mntflags");
+	if (read(sv[1], kargs, sizeof(len)) != sizeof(len)) /* unused now */
+		err(1, "unused len");
 	if (read(sv[1], kargs, sizeof(*kargs)) != sizeof(*kargs))
 		err(1, "puffs_args");
 	if (read(sv[1], pflags, sizeof(*pflags)) != sizeof(*pflags))

Reply via email to