Date: Thu, 06 Dec 2001 06:56:28 +0000 From: Dima Dorfman <dima@trit.org> To: arch@freebsd.org Subject: MFC'ing xucred definition Message-ID: <20011206065633.9E9953E4B@bazooka.trit.org>
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Is there any reason the definition of struct xucred shouldn't be
MFC'd? I'd like to MFC my LOCAL_PEERCRED/getpeereid() changes, and
would prefer not to have to use the old ucred for a new interface.
I'm not planning to merge the changes to existing interfaces to use
xucred as was done in current (this would probably cause unnecessary
pain in -stable), I just want to merge the definition.
Here's the change I'm talking about. Any objections?
Thanks.
Index: ucred.h
===================================================================
RCS file: /ref/cvsf/src/sys/sys/ucred.h,v
retrieving revision 1.14.2.4
diff -u -r1.14.2.4 ucred.h
--- ucred.h 2001/05/17 03:51:28 1.14.2.4
+++ ucred.h 2001/11/27 21:30:40
@@ -53,6 +53,19 @@
#define cr_gid cr_groups[0]
#define NOCRED ((struct ucred *)0) /* no credential available */
#define FSCRED ((struct ucred *)-1) /* filesystem credential */
+
+/*
+ * This is the external representation of struct ucred, based upon the
+ * size of a 4.2-RELEASE struct ucred. There will probably never be
+ * any need to change the size of this or layout of its used fields.
+ */
+struct xucred {
+ u_short _cr_unused0; /* compatibility with old ucred */
+ uid_t cr_uid; /* effective user id */
+ short cr_ngroups; /* number of groups */
+ gid_t cr_groups[NGROUPS]; /* groups */
+ void *_cr_unused1; /* compatibility with old ucred */
+};
#ifdef _KERNEL
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