usr/src/uts/common/sys/klpd.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SYS_KLPD_H
  27 #define _SYS_KLPD_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 #include <sys/types.h>
  32 #include <sys/priv.h>
  33 #include <sys/procset.h>
  34
  35 #ifdef _KERNEL
  36 #include <sys/cred.h>
  37 #include <sys/sysmacros.h>
  38 #include <sys/varargs.h>
  39 #endif
  40
  41 #ifdef  __cplusplus
  42 extern "C" {
  43 #endif
  44
  45 #define KLPDCALL_VERS           1
  46
  47 #define KLPDARG_NOMORE          0               /* End of argument List */
  48 #define KLPDARG_NONE            0               /* No argument */
  49 #define KLPDARG_VNODE           1               /* vnode_t * */
  50 #define KLPDARG_INT             2               /* int */
  51 #define KLPDARG_PORT            3               /* int, port number */
  52 #define KLPDARG_TCPPORT         4               /* int, tcp port number */
  53 #define KLPDARG_UDPPORT         5               /* int, udp port number */
  54 #define KLPDARG_SCTPPORT        6               /* int, sctp port number */
  55 #define KLPDARG_SDPPORT         7               /* int, sdp port number */
  56
  57 #ifdef _KERNEL
  58
  59 struct klpd_reg;
  60 struct credklpd;
  61
  62 int klpd_reg(int, idtype_t, id_t, priv_set_t *);
  63 int klpd_unreg(int, idtype_t, id_t);
  64 void klpd_remove(struct klpd_reg **);
  65 void klpd_rele(struct klpd_reg *);
  66 int klpd_call(const cred_t *, const priv_set_t *, va_list);
  67 void crklpd_hold(struct credklpd *);
  68 void crklpd_rele(struct credklpd *);
  69
  70 #endif /* _KERNEL */
  71
  72 typedef struct klpd_head {
  73         uint32_t        klh_vers;               /* Version */
  74         uint32_t        klh_len;                /* Length of full packet */
  75         uint32_t        klh_argoff;             /* Offset of argument */
  76         uint32_t        klh_privoff;            /* Offset of privilege set */
  77 } klpd_head_t;
  78
  79 #define KLH_PRIVSET(kh) ((priv_set_t *)(((kh)->klh_privoff == 0 ? NULL : \
  80                         (char *)(kh) + (kh)->klh_privoff)))
  81 #define KLH_ARG(kh)     ((void *)((kh)->klh_argoff != 0 ? \
  82                         (char *)(kh) + (kh)->klh_argoff : NULL))
  83
  84 typedef struct klpd_arg {
  85         uint_t  kla_type;
  86         uint_t  kla_dlen;
  87         union {
  88                 char    __cdata[1];
  89                 int     __idata;
  90                 uint_t  __uidata;
  91         } kla_data;
  92 } klpd_arg_t;
  93
  94 #define kla_str         kla_data.__cdata
  95 #define kla_int         kla_data.__idata
  96 #define kla_uint        kla_data.__uidata
  97
  98 #ifdef  __cplusplus
  99 }
 100 #endif
 101
 102 #endif  /* _SYS_KLPD_H */