xnu-517.tar.gz

[apple/xnu.git] / bsd / sys / ucred.h

diff --git a/bsd/sys/ucred.h b/bsd/sys/ucred.h
index 23e739a7fde2f4c65dddef19a4fecde271b7455e..9f044224e0d080f171808d05e057b53dfbbf75c0 100644 (file)
--- a/bsd/sys/ucred.h
+++ b/bsd/sys/ucred.h
@@ -74,6 +74,17 @@ struct ucred {
        short   cr_ngroups;             /* number of groups */
        gid_t   cr_groups[NGROUPS];     /* groups */
 };
+/*
+ * This is the external representation of struct ucred.
+ */
+struct xucred {
+        u_int   cr_version;             /* structure layout version */
+        uid_t   cr_uid;                 /* effective user id */
+        short   cr_ngroups;             /* number of groups */
+        gid_t   cr_groups[NGROUPS];     /* groups */
+};
+#define XUCRED_VERSION  0
+
 #define cr_gid cr_groups[0]
 #define NOCRED ((struct ucred *)0)     /* no credential available */
 #define FSCRED ((struct ucred *)-1)    /* filesystem credential */
@@ -89,7 +100,9 @@ struct ucred *crcopy __P((struct ucred *cr));
 struct ucred   *crdup __P((struct ucred *cr));
 void           crfree __P((struct ucred *cr));
 struct ucred   *crget __P((void));
+int            crcmp __P((struct ucred *cr1, struct ucred *cr2));
 int            suser __P((struct ucred *cred, u_short *acflag));
+void           cru2x __P((struct ucred *cr, struct xucred *xcr));
 
 #endif /* KERNEL */
 #endif /* __APPLE_API_UNSTABLE */