/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the
+ * License may not be used to create, or enable the creation or
+ * redistribution of, unlawful or unlicensed copies of an Apple operating
+ * system, or to circumvent, violate, or enable the circumvention or
+ * violation of, any terms of an Apple operating system software license
+ * agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
*/
/*
* Copyright (c) 1982, 1986, 1989, 1993
#include <sys/appleapiopts.h>
#include <sys/queue.h>
#include <sys/un.h>
+#include <sys/ucred.h>
/*
* Protocol control block for an active
* so that changes in the sockbuf may be computed to modify
* back pressure on the sender accordingly.
*/
-#ifdef __APPLE_API_PRIVATE
-typedef u_quad_t unp_gen_t;
+
+typedef u_quad_t unp_gen_t;
+
+#ifdef PRIVATE
LIST_HEAD(unp_head, unpcb);
+#ifdef KERNEL
+#define sotounpcb(so) ((struct unpcb *)((so)->so_pcb))
struct unpcb {
LIST_ENTRY(unpcb) unp_link; /* glue on list of all PCBs */
int unp_cc; /* copy of rcv.sb_cc */
int unp_mbcnt; /* copy of rcv.sb_mbcnt */
unp_gen_t unp_gencnt; /* generation count of this instance */
+ int unp_flags; /* flags */
+ struct xucred unp_peercred; /* peer credentials, if applicable */
};
+#endif /* KERNEL */
+
+/*
+ * Flags in unp_flags.
+ *
+ * UNP_HAVEPC - indicates that the unp_peercred member is filled in
+ * and is really the credentials of the connected peer. This is used
+ * to determine whether the contents should be sent to the user or
+ * not.
+ *
+ * UNP_HAVEPCCACHED - indicates that the unp_peercred member is filled
+ * in, but does *not* contain the credentials of the connected peer
+ * (there may not even be a peer). This is set in unp_listen() when
+ * it fills in unp_peercred for later consumption by unp_connect().
+ */
+#define UNP_HAVEPC 0x001
+#define UNP_HAVEPCCACHED 0x002
-#define sotounpcb(so) ((struct unpcb *)((so)->so_pcb))
-#endif /* __APPLE_API_PRIVATE */
+#ifdef KERNEL
+struct unpcb_compat {
+#else /* KERNEL */
+#define unpcb_compat unpcb
+struct unpcb {
+#endif /* KERNEL */
+ LIST_ENTRY(unpcb_compat) unp_link; /* glue on list of all PCBs */
+ struct socket *unp_socket; /* pointer back to socket */
+ struct vnode *unp_vnode; /* if associated with file */
+ ino_t unp_ino; /* fake inode number */
+ struct unpcb_compat *unp_conn; /* control block of connected socket */
+ struct unp_head unp_refs; /* referencing socket linked list */
+ LIST_ENTRY(unpcb_compat) unp_reflink; /* link in unp_refs list */
+ struct sockaddr_un *unp_addr; /* bound address of socket */
+ int unp_cc; /* copy of rcv.sb_cc */
+ int unp_mbcnt; /* copy of rcv.sb_mbcnt */
+ unp_gen_t unp_gencnt; /* generation count of this instance */
+};
/* Hack alert -- this structure depends on <sys/socketvar.h>. */
-#ifdef _SYS_SOCKETVAR_H_
-#ifdef __APPLE_API_UNSTABLE
-struct xunpcb {
- size_t xu_len; /* length of this structure */
- struct unpcb *xu_unpp; /* to help netstat, fstat */
- struct unpcb xu_unp; /* our information */
- union {
- struct sockaddr_un xuu_addr; /* our bound address */
- char xu_dummy1[256];
- } xu_au;
-#define xu_addr xu_au.xuu_addr
- union {
- struct sockaddr_un xuu_caddr; /* their bound address */
- char xu_dummy2[256];
- } xu_cau;
-#define xu_caddr xu_cau.xuu_caddr
- struct xsocket xu_socket;
- u_quad_t xu_alignment_hack;
+#ifdef _SYS_SOCKETVAR_H_
+struct xunpcb {
+ size_t xu_len; /* length of this structure */
+ struct unpcb_compat *xu_unpp; /* to help netstat, fstat */
+ struct unpcb_compat xu_unp; /* our information */
+ union {
+ struct sockaddr_un xuu_addr; /* our bound address */
+ char xu_dummy1[256];
+ } xu_au;
+#define xu_addr xu_au.xuu_addr
+ union {
+ struct sockaddr_un xuu_caddr; /* their bound address */
+ char xu_dummy2[256];
+ } xu_cau;
+#define xu_caddr xu_cau.xuu_caddr
+ struct xsocket xu_socket;
+ u_quad_t xu_alignment_hack;
};
+#endif /* _SYS_SOCKETVAR_H_ */
+#endif /* PRIVATE */
struct xunpgen {
size_t xug_len;
unp_gen_t xug_gen;
so_gen_t xug_sogen;
};
-#endif /* __APPLE_API_UNSTABLE */
-#endif /* _SYS_SOCKETVAR_H_ */
#endif /* _SYS_UNPCB_H_ */
projects / apple / xnu.git / blobdiff