aboutsummaryrefslogtreecommitdiff
path: root/sys/sys/ucred.h
diff options
context:
space:
mode:
Diffstat (limited to 'sys/sys/ucred.h')
-rw-r--r--sys/sys/ucred.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/sys/sys/ucred.h b/sys/sys/ucred.h
new file mode 100644
index 0000000..7ce0fd6
--- /dev/null
+++ b/sys/sys/ucred.h
@@ -0,0 +1,84 @@
+/* $OpenBSD: ucred.h,v 1.13 2018/06/21 13:58:21 visa Exp $ */
+/* $NetBSD: ucred.h,v 1.12 1995/06/01 22:44:50 jtc Exp $ */
+
+/*
+ * Copyright (c) 1989, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)ucred.h 8.2 (Berkeley) 1/4/94
+ */
+
+#ifndef _SYS_UCRED_H_
+#define _SYS_UCRED_H_
+
+#include <sys/syslimits.h>
+
+/*
+ * Credentials.
+ */
+struct ucred {
+ u_int cr_ref; /* reference count */
+
+/* The following fields are all copied by crset() */
+#define cr_startcopy cr_uid
+ uid_t cr_uid; /* effective user id */
+ uid_t cr_ruid; /* Real user id. */
+ uid_t cr_svuid; /* Saved effective user id. */
+ gid_t cr_gid; /* effective group id */
+ gid_t cr_rgid; /* Real group id. */
+ gid_t cr_svgid; /* Saved effective group id. */
+ short cr_ngroups; /* number of groups */
+ gid_t cr_groups[NGROUPS_MAX]; /* groups */
+};
+#define NOCRED ((struct ucred *)-1) /* no credential available */
+#define FSCRED ((struct ucred *)-2) /* filesystem credential */
+
+/*
+ * Userspace version, for use in syscalls arguments
+ */
+struct xucred {
+ uid_t cr_uid; /* user id */
+ gid_t cr_gid; /* group id */
+ short cr_ngroups; /* number of groups */
+ gid_t cr_groups[NGROUPS_MAX]; /* groups */
+};
+
+#ifdef _KERNEL
+
+int crfromxucred(struct ucred *, const struct xucred *);
+void crset(struct ucred *, const struct ucred *);
+struct ucred *crcopy(struct ucred *cr);
+struct ucred *crdup(struct ucred *cr);
+void crfree(struct ucred *cr);
+struct ucred *crget(void);
+struct ucred *crhold(struct ucred *);
+int suser(struct proc *p);
+int suser_ucred(struct ucred *cred);
+
+#endif /* _KERNEL */
+
+#endif /* !_SYS_UCRED_H_ */