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      1 /*	$NetBSD: rpcbind.h,v 1.6 2017/08/16 08:44:40 christos Exp $	*/
      2 /*	$FreeBSD: head/usr.sbin/rpcbind/rpcbind.h 293229 2016-01-06 00:00:11Z asomers $ */
      3 /*-
      4  * Copyright (c) 2009, Sun Microsystems, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions are met:
      9  * - Redistributions of source code must retain the above copyright notice,
     10  *   this list of conditions and the following disclaimer.
     11  * - Redistributions in binary form must reproduce the above copyright notice,
     12  *   this list of conditions and the following disclaimer in the documentation
     13  *   and/or other materials provided with the distribution.
     14  * - Neither the name of Sun Microsystems, Inc. nor the names of its
     15  *   contributors may be used to endorse or promote products derived
     16  *   from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
     22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 /*
     32  * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc.
     33  */
     34 
     35 /* #ident	"@(#)rpcbind.h 1.4 90/04/12 SMI" */
     36 
     37 /*
     38  * rpcbind.h
     39  * The common header declarations
     40  */
     41 
     42 #ifndef rpcbind_h
     43 #define	rpcbind_h
     44 
     45 #ifdef PORTMAP
     46 #include <rpc/pmap_prot.h>
     47 #endif
     48 #include <rpc/rpcb_prot.h>
     49 
     50 /*
     51  * Stuff for the rmtcall service
     52  */
     53 struct encap_parms {
     54 	u_int32_t arglen;
     55 	char *args;
     56 };
     57 
     58 struct r_rmtcall_args {
     59 	u_int32_t  rmt_prog;
     60 	u_int32_t  rmt_vers;
     61 	u_int32_t  rmt_proc;
     62 	int     rmt_localvers;  /* whether to send port # or uaddr */
     63 	char    *rmt_uaddr;
     64 	struct encap_parms rmt_args;
     65 };
     66 
     67 extern int debugging;
     68 extern int doabort;
     69 #ifdef LIBWRAP
     70 extern int libwrap;
     71 #endif
     72 extern int verboselog;
     73 extern int insecure;
     74 extern int oldstyle_local;
     75 extern rpcblist_ptr list_rbl;	/* A list of version 3 & 4 rpcbind services */
     76 
     77 #ifdef PORTMAP
     78 extern struct pmaplist *list_pml; /* A list of version 2 rpcbind services */
     79 extern const char *udptrans;	/* Name of UDP transport */
     80 extern const char *tcptrans;	/* Name of TCP transport */
     81 extern const char *udp_uaddr;	/* Universal UDP address */
     82 extern const char *tcp_uaddr;	/* Universal TCP address */
     83 #endif
     84 
     85 extern const char rpcbind_superuser[];
     86 extern const char rpcbind_unknown[];
     87 
     88 int add_bndlist(struct netconfig *, struct netbuf *);
     89 bool_t is_bound(const char *, const char *);
     90 char *mergeaddr(SVCXPRT *, char *, char *, char *);
     91 struct netconfig *rpcbind_get_conf(const char *);
     92 
     93 void rpcbs_init(void);
     94 void rpcbs_procinfo(rpcvers_t, rpcproc_t);
     95 void rpcbs_set(rpcvers_t, bool_t);
     96 void rpcbs_unset(rpcvers_t, bool_t);
     97 void rpcbs_getaddr(rpcvers_t, rpcprog_t, rpcvers_t, const char *, const char *);
     98 void rpcbs_rmtcall(rpcvers_t, rpcproc_t, rpcprog_t, rpcvers_t, rpcproc_t,
     99 			char *, rpcblist_ptr);
    100 void *rpcbproc_getstat(void *, struct svc_req *, SVCXPRT *, rpcvers_t);
    101 
    102 void rpcb_service_3(struct svc_req *, SVCXPRT *);
    103 void rpcb_service_4(struct svc_req *, SVCXPRT *);
    104 
    105 /* Common functions shared between versions */
    106 void *rpcbproc_set_com(void *, struct svc_req *, SVCXPRT *, rpcvers_t);
    107 void *rpcbproc_unset_com(void *, struct svc_req *, SVCXPRT *, rpcvers_t);
    108 bool_t map_set(RPCB *, char *);
    109 bool_t map_unset(RPCB *, const char *);
    110 void delete_prog(rpcprog_t);
    111 void *rpcbproc_getaddr_com(RPCB *, struct svc_req *, SVCXPRT *, rpcvers_t,
    112 				 rpcvers_t);
    113 void *rpcbproc_gettime_com(void *, struct svc_req *, SVCXPRT *,
    114 				rpcvers_t);
    115 void *rpcbproc_uaddr2taddr_com(void *, struct svc_req *,
    116 					     SVCXPRT *, rpcvers_t);
    117 void *rpcbproc_taddr2uaddr_com(void *, struct svc_req *, SVCXPRT *,
    118 				    rpcvers_t);
    119 int create_rmtcall_fd(struct netconfig *);
    120 void rpcbproc_callit_com(struct svc_req *, SVCXPRT *, rpcvers_t,
    121 			      rpcvers_t);
    122 __dead void my_svc_run(void);
    123 
    124 __dead void rpcbind_abort(void);
    125 void reap(int);
    126 void toggle_verboselog(int);
    127 
    128 int check_access(SVCXPRT *, rpcproc_t, void *, unsigned int);
    129 int check_callit(SVCXPRT *, struct r_rmtcall_args *, int);
    130 void logit(int, struct sockaddr *, rpcproc_t, rpcprog_t, const char *);
    131 int is_loopback(struct netbuf *);
    132 
    133 #ifdef PORTMAP
    134 extern void pmap_service(struct svc_req *, SVCXPRT *);
    135 #endif
    136 
    137 void write_warmstart(void);
    138 void read_warmstart(void);
    139 
    140 char *addrmerge(struct netbuf *caller, char *serv_uaddr, char *clnt_uaddr,
    141     const char *netid);
    142 int listen_addr(const struct sockaddr *sa);
    143 void network_init(void);
    144 struct sockaddr *local_sa(int);
    145 
    146 /* For different getaddr semantics */
    147 #define	RPCB_ALLVERS 0
    148 #define	RPCB_ONEVERS 1
    149 /* To convert a struct sockaddr to IPv4 or IPv6 address */
    150 #define	SA2SIN(sa)	((const struct sockaddr_in *)(sa))
    151 #define	SA2SINADDR(sa)	(SA2SIN(sa)->sin_addr)
    152 #ifdef INET6
    153 #define	SA2SIN6(sa)	((const struct sockaddr_in6 *)(sa))
    154 #define	SA2SIN6ADDR(sa)	(SA2SIN6(sa)->sin6_addr)
    155 #endif
    156 
    157 #endif /* rpcbind_h */
    158