35f85edc80
If a signal was delivered while the main thread was not in poll(2) and after check was performed, we could reenter poll and never detect termination. Fix this with the pipefd trick. (This race was introduced very recently, in r327482.) PR: 224503 Reported by: kib Reviewed by: kib, markj Sponsored by: Dell EMC Isilon
163 lines
5.3 KiB
C
163 lines
5.3 KiB
C
/* $NetBSD: rpcbind.h,v 1.1 2000/06/03 00:47:21 fvdl Exp $ */
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/* $FreeBSD$ */
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1986 - 1991 by Sun Microsystems, Inc.
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*/
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/* #ident "@(#)rpcbind.h 1.4 90/04/12 SMI" */
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/*
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* rpcbind.h
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* The common header declarations
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*/
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#ifndef rpcbind_h
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#define rpcbind_h
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#include <signal.h>
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#ifdef PORTMAP
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#include <rpc/pmap_prot.h>
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#endif
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#include <rpc/rpcb_prot.h>
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/*
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* Stuff for the rmtcall service
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*/
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struct encap_parms {
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u_int32_t arglen;
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char *args;
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};
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struct r_rmtcall_args {
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u_int32_t rmt_prog;
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u_int32_t rmt_vers;
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u_int32_t rmt_proc;
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int rmt_localvers; /* whether to send port # or uaddr */
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char *rmt_uaddr;
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struct encap_parms rmt_args;
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};
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extern int debugging;
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extern int doabort;
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extern int terminate_rfd;
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extern volatile sig_atomic_t doterminate;
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#ifdef LIBWRAP
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extern int libwrap;
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#endif
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extern int verboselog;
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extern int insecure;
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extern int oldstyle_local;
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extern rpcblist_ptr list_rbl; /* A list of version 3 & 4 rpcbind services */
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extern int rpcbindlockfd;
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#ifdef PORTMAP
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extern struct pmaplist *list_pml; /* A list of version 2 rpcbind services */
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extern char *udptrans; /* Name of UDP transport */
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extern char *tcptrans; /* Name of TCP transport */
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extern char *udp_uaddr; /* Universal UDP address */
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extern char *tcp_uaddr; /* Universal TCP address */
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#endif
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int add_bndlist(struct netconfig *, struct netbuf *);
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bool_t is_bound(char *, char *);
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char *mergeaddr(SVCXPRT *, char *, char *, char *);
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struct netconfig *rpcbind_get_conf(const char *);
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void rpcbs_init(void);
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void rpcbs_procinfo(rpcvers_t, rpcproc_t);
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void rpcbs_set(rpcvers_t, bool_t);
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void rpcbs_unset(rpcvers_t, bool_t);
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void rpcbs_getaddr(rpcvers_t, rpcprog_t, rpcvers_t, char *, char *);
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void rpcbs_rmtcall(rpcvers_t, rpcproc_t, rpcprog_t, rpcvers_t, rpcproc_t,
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char *, rpcblist_ptr);
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void *rpcbproc_getstat(void *, struct svc_req *, SVCXPRT *, rpcvers_t);
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void rpcb_service_3(struct svc_req *, SVCXPRT *);
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void rpcb_service_4(struct svc_req *, SVCXPRT *);
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/* Common functions shared between versions */
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void *rpcbproc_set_com(void *, struct svc_req *, SVCXPRT *, rpcvers_t);
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void *rpcbproc_unset_com(void *, struct svc_req *, SVCXPRT *, rpcvers_t);
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bool_t map_set(RPCB *, char *);
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bool_t map_unset(RPCB *, char *);
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void delete_prog(unsigned int);
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void *rpcbproc_getaddr_com(RPCB *, struct svc_req *, SVCXPRT *, rpcvers_t,
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rpcvers_t);
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void *rpcbproc_gettime_com(void *, struct svc_req *, SVCXPRT *,
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rpcvers_t);
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void *rpcbproc_uaddr2taddr_com(void *, struct svc_req *,
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SVCXPRT *, rpcvers_t);
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void *rpcbproc_taddr2uaddr_com(void *, struct svc_req *, SVCXPRT *,
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rpcvers_t);
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int create_rmtcall_fd(struct netconfig *);
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void rpcbproc_callit_com(struct svc_req *, SVCXPRT *, rpcvers_t,
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rpcvers_t);
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void my_svc_run(void);
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void rpcbind_abort(void);
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void reap(int);
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void toggle_verboselog(int);
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int check_access(SVCXPRT *, rpcproc_t, void *, unsigned int);
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int check_callit(SVCXPRT *, struct r_rmtcall_args *, int);
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void logit(int, struct sockaddr *, rpcproc_t, rpcprog_t, const char *);
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int is_loopback(struct netbuf *);
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#ifdef PORTMAP
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extern void pmap_service(struct svc_req *, SVCXPRT *);
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#endif
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void write_warmstart(void);
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void read_warmstart(void);
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char *addrmerge(struct netbuf *caller, const char *serv_uaddr,
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const char *clnt_uaddr, char const *netid);
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int listen_addr(const struct sockaddr *sa);
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void network_init(void);
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struct sockaddr *local_sa(int);
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/* For different getaddr semantics */
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#define RPCB_ALLVERS 0
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#define RPCB_ONEVERS 1
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/* To convert a struct sockaddr to IPv4 or IPv6 address */
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#define SA2SIN(sa) ((struct sockaddr_in *)(sa))
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#define SA2SINADDR(sa) (SA2SIN(sa)->sin_addr)
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#ifdef INET6
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#define SA2SIN6(sa) ((struct sockaddr_in6 *)(sa))
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#define SA2SIN6ADDR(sa) (SA2SIN6(sa)->sin6_addr)
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#endif
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#endif /* rpcbind_h */
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