2 * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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15 * This product includes software developed by the University of
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33 * @(#)socket.h 8.4 (Berkeley) 2/21/94
34 * $FreeBSD: src/sys/sys/socket.h,v 1.73 2003/11/14 18:48:15 bms Exp $
38 #ifndef _MISC_SYS_SOCKET_H_
39 #define _MISC_SYS_SOCKET_H_
41 #include <sys/types.h>
43 #define CMGROUP_MAX 16
44 #define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */
47 * Credentials structure, used to verify the identity of a peer
48 * process that has sent us a message. This is allocated by the
49 * peer process but filled in by the kernel. This prevents the
50 * peer from lying about its identity. (Note that cmcred_groups[0]
51 * is the effective GID.)
54 pid_t cmcred_pid; /* PID of sending process */
55 uid_t cmcred_uid; /* real UID of sending process */
56 uid_t cmcred_euid; /* effective UID of sending process */
57 gid_t cmcred_gid; /* real GID of sending process */
58 short cmcred_ngroups; /* number or groups */
59 gid_t cmcred_groups[CMGROUP_MAX]; /* groups */
62 #endif /* _MISC_SYS_SOCKET_H_ */