diff options
Diffstat (limited to 'usr.sbin/rpcbind/check_bound.c')
| -rw-r--r-- | usr.sbin/rpcbind/check_bound.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/usr.sbin/rpcbind/check_bound.c b/usr.sbin/rpcbind/check_bound.c deleted file mode 100644 index 03f70b5..0000000 --- a/usr.sbin/rpcbind/check_bound.c +++ /dev/null @@ -1,231 +0,0 @@ -/* $NetBSD: check_bound.c,v 1.2 2000/06/22 08:09:26 fvdl Exp $ */ -/* $FreeBSD$ */ - -/* - * Sun RPC is a product of Sun Microsystems, Inc. and is provided for - * unrestricted use provided that this legend is included on all tape - * media and as a part of the software program in whole or part. Users - * may copy or modify Sun RPC without charge, but are not authorized - * to license or distribute it to anyone else except as part of a product or - * program developed by the user. - * - * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE - * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR - * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. - * - * Sun RPC is provided with no support and without any obligation on the - * part of Sun Microsystems, Inc. to assist in its use, correction, - * modification or enhancement. - * - * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE - * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC - * OR ANY PART THEREOF. - * - * In no event will Sun Microsystems, Inc. be liable for any lost revenue - * or profits or other special, indirect and consequential damages, even if - * Sun has been advised of the possibility of such damages. - * - * Sun Microsystems, Inc. - * 2550 Garcia Avenue - * Mountain View, California 94043 - */ -/* - * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc. - */ - -/* #ident "@(#)check_bound.c 1.15 93/07/05 SMI" */ - -#if 0 -#ifndef lint -static char sccsid[] = "@(#)check_bound.c 1.11 89/04/21 Copyr 1989 Sun Micro"; -#endif -#endif - -/* - * check_bound.c - * Checks to see whether the program is still bound to the - * claimed address and returns the univeral merged address - * - */ - -#include <sys/types.h> -#include <sys/socket.h> -#include <rpc/rpc.h> -#include <stdio.h> -#include <netconfig.h> -#include <syslog.h> -#include <string.h> -#include <unistd.h> -#include <stdlib.h> - -#include "rpcbind.h" - -struct fdlist { - int fd; - struct netconfig *nconf; - struct fdlist *next; - int check_binding; -}; - -static struct fdlist *fdhead; /* Link list of the check fd's */ -static struct fdlist *fdtail; -static char *nullstring = ""; - -static bool_t check_bound(struct fdlist *, char *uaddr); - -/* - * Returns 1 if the given address is bound for the given addr & transport - * For all error cases, we assume that the address is bound - * Returns 0 for success. - */ -static bool_t -check_bound(struct fdlist *fdl, char *uaddr) -{ - int fd; - struct netbuf *na; - int ans; - - if (fdl->check_binding == FALSE) - return (TRUE); - - na = uaddr2taddr(fdl->nconf, uaddr); - if (!na) - return (TRUE); /* punt, should never happen */ - - fd = __rpc_nconf2fd(fdl->nconf); - if (fd < 0) { - free(na->buf); - free(na); - return (TRUE); - } - - ans = bind(fd, (struct sockaddr *)na->buf, na->len); - - close(fd); - free(na->buf); - free(na); - - return (ans == 0 ? FALSE : TRUE); -} - -int -add_bndlist(struct netconfig *nconf, struct netbuf *baddr __unused) -{ - struct fdlist *fdl; - struct netconfig *newnconf; - - newnconf = getnetconfigent(nconf->nc_netid); - if (newnconf == NULL) - return (-1); - fdl = malloc(sizeof (struct fdlist)); - if (fdl == NULL) { - freenetconfigent(newnconf); - syslog(LOG_ERR, "no memory!"); - return (-1); - } - fdl->nconf = newnconf; - fdl->next = NULL; - if (fdhead == NULL) { - fdhead = fdl; - fdtail = fdl; - } else { - fdtail->next = fdl; - fdtail = fdl; - } - /* XXX no bound checking for now */ - fdl->check_binding = FALSE; - - return 0; -} - -bool_t -is_bound(char *netid, char *uaddr) -{ - struct fdlist *fdl; - - for (fdl = fdhead; fdl; fdl = fdl->next) - if (strcmp(fdl->nconf->nc_netid, netid) == 0) - break; - if (fdl == NULL) - return (TRUE); - return (check_bound(fdl, uaddr)); -} - -/* - * Returns NULL if there was some system error. - * Returns "" if the address was not bound, i.e the server crashed. - * Returns the merged address otherwise. - */ -char * -mergeaddr(SVCXPRT *xprt, char *netid, char *uaddr, char *saddr) -{ - struct fdlist *fdl; - char *c_uaddr, *s_uaddr, *m_uaddr, *allocated_uaddr = NULL; - - for (fdl = fdhead; fdl; fdl = fdl->next) - if (strcmp(fdl->nconf->nc_netid, netid) == 0) - break; - if (fdl == NULL) - return (NULL); - if (check_bound(fdl, uaddr) == FALSE) - /* that server died */ - return (nullstring); - /* - * If saddr is not NULL, the remote client may have included the - * address by which it contacted us. Use that for the "client" uaddr, - * otherwise use the info from the SVCXPRT. - */ - if (saddr != NULL) { - c_uaddr = saddr; - } else { - c_uaddr = taddr2uaddr(fdl->nconf, svc_getrpccaller(xprt)); - if (c_uaddr == NULL) { - syslog(LOG_ERR, "taddr2uaddr failed for %s", - fdl->nconf->nc_netid); - return (NULL); - } - allocated_uaddr = c_uaddr; - } - -#ifdef ND_DEBUG - if (debugging) { - if (saddr == NULL) { - fprintf(stderr, "mergeaddr: client uaddr = %s\n", - c_uaddr); - } else { - fprintf(stderr, "mergeaddr: contact uaddr = %s\n", - c_uaddr); - } - } -#endif - s_uaddr = uaddr; - /* - * This is all we should need for IP 4 and 6 - */ - m_uaddr = addrmerge(svc_getrpccaller(xprt), s_uaddr, c_uaddr, netid); -#ifdef ND_DEBUG - if (debugging) - fprintf(stderr, "mergeaddr: uaddr = %s, merged uaddr = %s\n", - uaddr, m_uaddr); -#endif - if (allocated_uaddr != NULL) - free(allocated_uaddr); - return (m_uaddr); -} - -/* - * Returns a netconf structure from its internal list. This - * structure should not be freed. - */ -struct netconfig * -rpcbind_get_conf(char *netid) -{ - struct fdlist *fdl; - - for (fdl = fdhead; fdl; fdl = fdl->next) - if (strcmp(fdl->nconf->nc_netid, netid) == 0) - break; - if (fdl == NULL) - return (NULL); - return (fdl->nconf); -} |
