/*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint char copyright[] = "@(#) Copyright (c) 1990 The Regents of the University of California.\n\ All rights reserved.\n"; #endif /* not lint */ /* @(#)portmap.c 2.3 88/08/11 4.0 RPCSRC static char sccsid[] = "@(#)portmap.c 1.32 87/08/06 Copyr 1984 Sun Micro"; */ /* * portmap.c, Implements the program,version to port number mapping for * rpc. */ /* * 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 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef SYSV40 #include #endif #include #include #include #ifndef LOG_PERROR #define LOG_PERROR 0 #endif #ifndef LOG_DAEMON #define LOG_DAEMON 0 #endif /* Older SYSV. */ #if !defined(SIGCHLD) && defined(SIGCLD) #define SIGCHLD SIGCLD #endif #ifndef svc_getcaller /* SYSV4 */ # define svc_getcaller svc_getrpccaller #endif static void reg_service(struct svc_req *rqstp, SVCXPRT *xprt); #ifndef IGNORE_SIGCHLD /* Lionel Cons */ static void reap(int); #endif static void callit(struct svc_req *rqstp, SVCXPRT *xprt); struct pmaplist *pmaplist; int debugging = 0; int store_fd = -1; static void dump_table(void); static void load_table(void); #include "pmap_check.h" /* * How desperate can one be. It is possible to prevent an attacker from * manipulating your portmapper tables from outside with requests that * contain spoofed source address information. The countermeasure is to * force all rpc servers to register and unregister with the portmapper via * the loopback network interface, instead of via the primary network * interface that every host can talk to. For this countermeasure to work it * is necessary to #define LOOPBACK_SETUNSET, to disable source routing in * the kernel, and to modify libc so that get_myaddress() chooses the * loopback interface address. */ #ifdef LOOPBACK_SETUNSET static SVCXPRT *ludpxprt, *ltcpxprt; static int on = 1; #ifndef INADDR_LOOPBACK #define INADDR_LOOPBACK ntohl(inet_addr("127.0.0.1")) #endif #endif #ifdef DAEMON_UID int daemon_uid = DAEMON_UID; int daemon_gid = DAEMON_GID; #else int daemon_uid = 1; int daemon_gid = 1; #endif /* * We record with each registration a flag telling whether it was * registered with a privilege port or not. * If it was, it can only be unregistered with a privileged port. * So that we can still use standard pmap xdr routines, we store * this flag in a structure wrapped around a pmaplist. */ struct flagged_pml { struct pmaplist pml; int priv; }; int main(int argc, char **argv) { SVCXPRT *xprt; int sock, c; struct sockaddr_in addr; int len = sizeof(struct sockaddr_in); struct pmaplist *pml; struct flagged_pml *fpml; char *chroot_path = NULL; struct in_addr bindaddr; int have_bindaddr = 0; int foreground = 0; int have_uid = 0; while ((c = getopt(argc, argv, "Vdflt:vi:u:g:")) != EOF) { switch (c) { case 'V': printf("portmap version 6.0 - 2007-May-11\n"); exit(1); case 'u': daemon_uid = atoi(optarg); if (daemon_uid <= 0) { fprintf(stderr, "portmap: illegal uid: %s\n", optarg); exit(1); } have_uid = 1; break; case 'g': daemon_gid = atoi(optarg); if (daemon_gid <= 0) { fprintf(stderr, "portmap: illegal gid: %s\n", optarg); exit(1); } have_uid = 1; break; case 'd': debugging = 1; case 'f': foreground = 1; break; case 't': chroot_path = optarg; break; case 'v': verboselog = 1; break; case 'l': optarg = "127.0.0.1"; /* FALL THROUGH */ case 'i': have_bindaddr = inet_aton(optarg, &bindaddr); break; default: fprintf(stderr, "usage: %s [-dflv] [-t dir] [-i address] " "[-u uid] [-g gid]\n", argv[0]); fprintf(stderr, "-d: debugging mode\n"); fprintf(stderr, "-f: don't daemonize, log to standard error\n"); fprintf(stderr, "-t dir: chroot into dir\n"); fprintf(stderr, "-v: verbose logging\n"); fprintf(stderr, "-i address: bind to address\n"); fprintf(stderr, "-l: same as -i 127.0.0.1\n"); fprintf(stderr, "-u uid : setuid to this uid\n"); fprintf(stderr, "-g uid : setgid to this gid\n"); exit(1); } } if (!foreground && daemon(0, 0)) { (void) fprintf(stderr, "portmap: fork: %s", strerror(errno)); exit(1); } #ifdef LOG_DAEMON openlog("portmap", LOG_PID|LOG_NDELAY | ( foreground ? LOG_PERROR : 0), FACILITY); #else openlog("portmap", LOG_PID|LOG_NDELAY | ( foreground ? LOG_PERROR : 0)); #endif #ifdef RPCUSER if (!have_uid) { struct passwd *pwent; pwent = getpwnam(RPCUSER); if (pwent) { daemon_uid = pwent->pw_uid; daemon_gid = pwent->pw_gid; } else syslog(LOG_WARNING, "user '" RPCUSER "' not found, reverting to default uid"); } #endif if ((sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) { syslog(LOG_ERR, "cannot create udp socket: %m"); exit(1); } #ifdef LOOPBACK_SETUNSET setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof on); #endif memset((char *) &addr, 0, sizeof(addr)); addr.sin_addr.s_addr = 0; addr.sin_family = AF_INET; addr.sin_port = htons(PMAPPORT); if (have_bindaddr) memcpy(&addr.sin_addr, &bindaddr, sizeof(bindaddr)); if (bind(sock, (struct sockaddr *)&addr, len) != 0) { syslog(LOG_ERR, "cannot bind udp: %m"); exit(1); } if ((xprt = svcudp_create(sock)) == (SVCXPRT *)NULL) { syslog(LOG_ERR, "couldn't do udp_create"); exit(1); } /* make an entry for ourself */ fpml = malloc(sizeof(struct flagged_pml)); pml = &fpml->pml; fpml->priv = 1; pml->pml_next = NULL; pml->pml_map.pm_prog = PMAPPROG; pml->pml_map.pm_vers = PMAPVERS; pml->pml_map.pm_prot = IPPROTO_UDP; pml->pml_map.pm_port = PMAPPORT; pmaplist = pml; if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) { syslog(LOG_ERR, "cannot create tcp socket: %m"); exit(1); } #ifdef LOOPBACK_SETUNSET setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof on); #endif if (bind(sock, (struct sockaddr *)&addr, len) != 0) { syslog(LOG_ERR, "cannot bind tcp: %m"); exit(1); } if ((xprt = svctcp_create(sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE)) == (SVCXPRT *)NULL) { syslog(LOG_ERR, "couldn't do tcp_create"); exit(1); } /* make an entry for ourself */ fpml = malloc(sizeof(struct flagged_pml)); pml = &fpml->pml; fpml->priv = 1; pml->pml_map.pm_prog = PMAPPROG; pml->pml_map.pm_vers = PMAPVERS; pml->pml_map.pm_prot = IPPROTO_TCP; pml->pml_map.pm_port = PMAPPORT; pml->pml_next = pmaplist; pmaplist = pml; #ifdef LOOPBACK_SETUNSET if ((sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) { syslog(LOG_ERR, "cannot create udp socket: %m"); exit(1); } setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof on); addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); if (bind(sock, (struct sockaddr *)&addr, len) != 0) { syslog(LOG_ERR, "cannot bind udp: %m"); exit(1); } if ((ludpxprt = svcudp_create(sock)) == (SVCXPRT *)NULL) { syslog(LOG_ERR, "couldn't do udp_create"); exit(1); } if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) { syslog(LOG_ERR, "cannot create tcp socket: %m"); exit(1); } setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof on); if (bind(sock, (struct sockaddr *)&addr, len) != 0) { syslog(LOG_ERR, "cannot bind tcp: %m"); exit(1); } if ((ltcpxprt = svctcp_create(sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE)) == (SVCXPRT *)NULL) { syslog(LOG_ERR, "couldn't do tcp_create"); exit(1); } #endif (void)svc_register(xprt, PMAPPROG, PMAPVERS, reg_service, FALSE); store_fd = open("/var/run/portmap_mapping", O_RDWR|O_CREAT, 0600); load_table(); /* additional initializations */ if (chroot_path) { if (chroot(chroot_path) < 0) { syslog(LOG_ERR, "couldn't do chroot"); exit(1); } } check_startup(); #ifdef IGNORE_SIGCHLD /* Lionel Cons */ (void)signal(SIGCHLD, SIG_IGN); #else (void)signal(SIGCHLD, reap); #endif (void)signal(SIGPIPE, SIG_IGN); svc_run(); syslog(LOG_ERR, "run_svc returned unexpectedly"); abort(); } /* need to override perror calls in rpc library */ void perror(const char *what) { syslog(LOG_ERR, "%s: %m", what); } static struct pmaplist * find_service(u_long prog, u_long vers, u_long prot) { struct pmaplist *hit = NULL; struct pmaplist *pml; for (pml = pmaplist; pml != NULL; pml = pml->pml_next) { if ((pml->pml_map.pm_prog != prog) || (pml->pml_map.pm_prot != prot)) continue; hit = pml; if (pml->pml_map.pm_vers == vers) break; } return (hit); } /* * 1 OK, 0 not */ static void reg_service(struct svc_req *rqstp, SVCXPRT *xprt) { struct pmap reg; struct pmaplist *pml, *prevpml, *fnd; struct flagged_pml *fpml; int ans, port; caddr_t t; /* * Later wrappers change the logging severity on the fly. Reset to * defaults before handling the next request. */ allow_severity = LOG_INFO; deny_severity = LOG_WARNING; if (debugging) (void) fprintf(stderr, "server: about do a switch\n"); switch (rqstp->rq_proc) { case PMAPPROC_NULL: /* * Null proc call */ /* remote host authorization check */ check_default(svc_getcaller(xprt), rqstp->rq_proc, (u_long) 0); if (!svc_sendreply(xprt, (xdrproc_t) xdr_void, (caddr_t)0) && debugging) { abort(); } break; case PMAPPROC_SET: /* * Set a program,version to port mapping */ if (!svc_getargs(xprt, (xdrproc_t) xdr_pmap, (caddr_t)®)) svcerr_decode(xprt); else { /* reject non-local requests, protect priv. ports */ if (!CHECK_SETUNSET(xprt, ludpxprt, ltcpxprt, rqstp->rq_proc, reg.pm_prog, reg.pm_port)) { ans = 0; goto done; } /* * check to see if already used * find_service returns a hit even if * the versions don't match, so check for it */ fnd = find_service(reg.pm_prog, reg.pm_vers, reg.pm_prot); if (fnd && fnd->pml_map.pm_vers == reg.pm_vers) { if (fnd->pml_map.pm_port == reg.pm_port) { ans = 1; goto done; } else { ans = 0; goto done; } } else { /* * add to END of list */ fpml = (struct flagged_pml *) malloc((u_int)sizeof(struct flagged_pml)); pml = &fpml->pml; fpml->priv = (ntohs(svc_getcaller(xprt)->sin_port) < IPPORT_RESERVED); pml->pml_map = reg; pml->pml_next = 0; if (pmaplist == 0) { pmaplist = pml; } else { for (fnd= pmaplist; fnd->pml_next != 0; fnd = fnd->pml_next); fnd->pml_next = pml; } ans = 1; dump_table(); } done: if ((!svc_sendreply(xprt, (xdrproc_t)xdr_int, (caddr_t)&ans)) && debugging) { (void) fprintf(stderr, "svc_sendreply\n"); abort(); } } break; case PMAPPROC_UNSET: /* * Remove a program,version to port mapping. */ if (!svc_getargs(xprt, (xdrproc_t)xdr_pmap, (caddr_t)®)) svcerr_decode(xprt); else { ans = 0; /* reject non-local requests */ if (!CHECK_SETUNSET(xprt, ludpxprt, ltcpxprt, rqstp->rq_proc, reg.pm_prog, (u_long) 0)) goto done; for (prevpml = NULL, pml = pmaplist; pml != NULL; ) { if ((pml->pml_map.pm_prog != reg.pm_prog) || (pml->pml_map.pm_vers != reg.pm_vers)) { /* both pml & prevpml move forwards */ prevpml = pml; pml = pml->pml_next; continue; } /* found it; pml moves forward, prevpml stays */ /* privileged port check */ if (!check_privileged_port(svc_getcaller(xprt), rqstp->rq_proc, reg.pm_prog, pml->pml_map.pm_port)) { ans = 0; break; } fpml = (struct flagged_pml*)pml; if (fpml->priv && (ntohs(svc_getcaller(xprt)->sin_port) >= IPPORT_RESERVED)) { ans = 0; break; } ans = 1; t = (caddr_t)pml; pml = pml->pml_next; if (prevpml == NULL) pmaplist = pml; else prevpml->pml_next = pml; free(t); dump_table(); } if ((!svc_sendreply(xprt, (xdrproc_t)xdr_int, (caddr_t)&ans)) && debugging) { (void) fprintf(stderr, "svc_sendreply\n"); abort(); } } break; case PMAPPROC_GETPORT: /* * Lookup the mapping for a program,version and return its port */ if (!svc_getargs(xprt, (xdrproc_t)xdr_pmap, (caddr_t)®)) svcerr_decode(xprt); else { /* remote host authorization check */ if (!check_default(svc_getcaller(xprt), rqstp->rq_proc, reg.pm_prog)) { ans = 0; goto done; } fnd = find_service(reg.pm_prog, reg.pm_vers, reg.pm_prot); if (fnd) port = fnd->pml_map.pm_port; else port = 0; if ((!svc_sendreply(xprt, (xdrproc_t)xdr_int, (caddr_t)&port)) && debugging) { (void) fprintf(stderr, "svc_sendreply\n"); abort(); } } break; case PMAPPROC_DUMP: /* * Return the current set of mapped program,version */ if (!svc_getargs(xprt, (xdrproc_t)xdr_void, NULL)) svcerr_decode(xprt); else { /* remote host authorization check */ struct pmaplist *p; if (!check_default(svc_getcaller(xprt), rqstp->rq_proc, (u_long) 0)) { p = 0; /* send empty list */ } else { p = pmaplist; } if ((!svc_sendreply(xprt, (xdrproc_t)xdr_pmaplist, (caddr_t)&p)) && debugging) { (void) fprintf(stderr, "svc_sendreply\n"); abort(); } } break; case PMAPPROC_CALLIT: /* * Calls a procedure on the local machine. If the requested * procedure is not registered this procedure does not return * error information!! * This procedure is only supported on rpc/udp and calls via * rpc/udp. It passes null authentication parameters. */ callit(rqstp, xprt); break; default: /* remote host authorization check */ check_default(svc_getcaller(xprt), rqstp->rq_proc, (u_long) 0); svcerr_noproc(xprt); break; } } /* * Stuff for the rmtcall service */ #define ARGSIZE 9000 struct encap_parms { u_int arglen; char *args; }; static bool_t xdr_encap_parms(XDR *xdrs, struct encap_parms *epp) { return (xdr_bytes(xdrs, &(epp->args), &(epp->arglen), ARGSIZE)); } struct rmtcallargs { u_long rmt_prog; u_long rmt_vers; u_long rmt_port; u_long rmt_proc; struct encap_parms rmt_args; }; static bool_t xdr_rmtcall_args(XDR *xdrs, struct rmtcallargs *cap) { /* does not get a port number */ if (xdr_u_long(xdrs, &(cap->rmt_prog)) && xdr_u_long(xdrs, &(cap->rmt_vers)) && xdr_u_long(xdrs, &(cap->rmt_proc))) { return (xdr_encap_parms(xdrs, &(cap->rmt_args))); } return (FALSE); } static bool_t xdr_rmtcall_result(XDR *xdrs, struct rmtcallargs *cap) { if (xdr_u_long(xdrs, &(cap->rmt_port))) return (xdr_encap_parms(xdrs, &(cap->rmt_args))); return (FALSE); } /* * only worries about the struct encap_parms part of struct rmtcallargs. * The arglen must already be set!! */ static bool_t xdr_opaque_parms(XDR *xdrs, struct rmtcallargs *cap) { return (xdr_opaque(xdrs, cap->rmt_args.args, cap->rmt_args.arglen)); } /* * This routine finds and sets the length of incoming opaque paraters * and then calls xdr_opaque_parms. */ static bool_t xdr_len_opaque_parms(XDR *xdrs, struct rmtcallargs *cap) { u_int beginpos, lowpos, highpos, currpos, pos; beginpos = lowpos = pos = xdr_getpos(xdrs); highpos = lowpos + ARGSIZE; while ((int)(highpos - lowpos) >= 0) { currpos = (lowpos + highpos) / 2; if (xdr_setpos(xdrs, currpos)) { pos = currpos; lowpos = currpos + 1; } else { highpos = currpos - 1; } } xdr_setpos(xdrs, beginpos); cap->rmt_args.arglen = pos - beginpos; return (xdr_opaque_parms(xdrs, cap)); } /* * Call a remote procedure service * This procedure is very quiet when things go wrong. * The proc is written to support broadcast rpc. In the broadcast case, * a machine should shut-up instead of complain, less the requestor be * overrun with complaints at the expense of not hearing a valid reply ... * * This now forks so that the program & process that it calls can call * back to the portmapper. */ static void callit(struct svc_req *rqstp, SVCXPRT *xprt) { struct rmtcallargs a; struct pmaplist *pml; u_short port; struct sockaddr_in me; int pid, so = -1; CLIENT *client; struct authunix_parms *au = (struct authunix_parms *)rqstp->rq_clntcred; struct timeval timeout; char buf[ARGSIZE]; timeout.tv_sec = 5; timeout.tv_usec = 0; a.rmt_args.args = buf; if (!svc_getargs(xprt, (xdrproc_t)xdr_rmtcall_args, (caddr_t)&a)) return; /* host and service access control */ if (!check_callit(svc_getcaller(xprt), rqstp->rq_proc, a.rmt_prog, a.rmt_proc)) return; if ((pml = find_service(a.rmt_prog, a.rmt_vers, (u_long)IPPROTO_UDP)) == NULL) return; /* * fork a child to do the work. Parent immediately returns. * Child exits upon completion. */ if ((pid = fork()) != 0) { if (pid < 0) syslog(LOG_ERR, "CALLIT (prog %lu): fork: %m", a.rmt_prog); return; } port = pml->pml_map.pm_port; get_myaddress(&me); me.sin_port = htons(port); client = clntudp_create(&me, a.rmt_prog, a.rmt_vers, timeout, &so); if (client != (CLIENT *)NULL) { if (rqstp->rq_cred.oa_flavor == AUTH_UNIX) { client->cl_auth = authunix_create(au->aup_machname, au->aup_uid, au->aup_gid, au->aup_len, au->aup_gids); } a.rmt_port = (u_long)port; if (clnt_call(client, a.rmt_proc, (xdrproc_t)xdr_opaque_parms, (caddr_t)&a, (xdrproc_t)xdr_len_opaque_parms, (caddr_t)&a, timeout) == RPC_SUCCESS) { svc_sendreply(xprt, (xdrproc_t)xdr_rmtcall_result, (caddr_t)&a); } AUTH_DESTROY(client->cl_auth); clnt_destroy(client); } (void)close(so); exit(0); } #ifndef IGNORE_SIGCHLD /* Lionel Cons */ static void reap(int ignore) { int save_errno = errno; while (wait3((int *)NULL, WNOHANG, (struct rusage *)NULL) > 0); errno = save_errno; } #endif /* Dump and restore mapping table so that we can survive kill/restart. * To cope with chroot, an fd is opened early and we just write to that. * If we are killed while writing the file, we lose, but that isn't * very likely... */ static void dump_table(void) { FILE *f; struct pmaplist *pml; if (store_fd < 0) return; ftruncate(store_fd, 0); lseek(store_fd, 0, 0); f = fdopen(dup(store_fd), "w"); if (!f) return; for (pml = pmaplist ; pml ; pml = pml->pml_next) { struct flagged_pml *fpml = (struct flagged_pml*)pml; fprintf(f, "%lu %lu %lu %lu %d\n", pml->pml_map.pm_prog, pml->pml_map.pm_vers, pml->pml_map.pm_prot, pml->pml_map.pm_port, fpml->priv); } fclose(f); } static void load_table(void) { FILE *f; struct pmaplist **ep; struct flagged_pml fpml, *fpmlp; ep = &pmaplist; while ((*ep)->pml_next) ep = & (*ep)->pml_next; if (store_fd < 0) return; lseek(store_fd, 0, 0); f = fdopen(dup(store_fd), "r"); if (f == NULL) return; while (fscanf(f, "%lu %lu %lu %lu %d\n", &fpml.pml.pml_map.pm_prog, &fpml.pml.pml_map.pm_vers, &fpml.pml.pml_map.pm_prot, &fpml.pml.pml_map.pm_port, &fpml.priv) == 5) { if (fpml.pml.pml_map.pm_port == PMAPPORT) continue; fpmlp = malloc(sizeof(struct flagged_pml)); if (!fpmlp) break; *fpmlp = fpml; *ep = &fpmlp->pml; ep = &fpmlp->pml.pml_next; *ep = NULL; } fclose(f); }