replace trailing number with -n plus argument

[unix-history] / usr / src / sbin / nfsd / nfsd.c

diff --git a/usr/src/sbin/nfsd/nfsd.c b/usr/src/sbin/nfsd/nfsd.c
index e853b32..e8b8718 100644 (file)
--- a/usr/src/sbin/nfsd/nfsd.c
+++ b/usr/src/sbin/nfsd/nfsd.c
@@ -1,6 +1,6 @@
 /*
 /*

- * Copyright (c) 1989 The Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1989, 1993, 1994
+ *     The Regents of the University of California.  All rights reserved.

  *
  * This code is derived from software contributed to Berkeley by
  * Rick Macklem at The University of Guelph.
  *
  * This code is derived from software contributed to Berkeley by
  * Rick Macklem at The University of Guelph.


@@ -9,254 +9,546 @@
  */
 
 #ifndef lint
  */
 
 #ifndef lint

-char copyright[] =
-"@(#) Copyright (c) 1989 Regents of the University of California.\n\
- All rights reserved.\n";
+static char copyright[] =
+"@(#) Copyright (c) 1989, 1993, 1994\n\
+       The Regents of the University of California.  All rights reserved.\n";

 #endif not lint
 
 #ifndef lint
 #endif not lint
 
 #ifndef lint

-static char sccsid[] = "@(#)nfsd.c     5.8 (Berkeley) %G%";
+static char sccsid[] = "@(#)nfsd.c     8.4 (Berkeley) %G%";

 #endif not lint
 
 #endif not lint
 

-#include <sys/types.h>
-#include <sys/signal.h>
+#include <sys/param.h>
+#include <sys/syslog.h>

 #include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <sys/wait.h>

+#include <sys/uio.h>
+#include <sys/ucred.h>

 #include <sys/mount.h>
 #include <sys/socket.h>
 #include <sys/socketvar.h>
 #include <sys/mount.h>
 #include <sys/socket.h>
 #include <sys/socketvar.h>

-#include <stdio.h>
-#include <syslog.h>
-#include <fcntl.h>
-#include <string.h>
-#include <netdb.h>
+

 #include <rpc/rpc.h>
 #include <rpc/pmap_clnt.h>
 #include <rpc/pmap_prot.h>
 #include <rpc/rpc.h>
 #include <rpc/pmap_clnt.h>
 #include <rpc/pmap_prot.h>

+
+#ifdef ISO
+#include <netiso/iso.h>
+#endif

 #include <nfs/rpcv2.h>
 #include <nfs/nfsv2.h>
 #include <nfs/rpcv2.h>
 #include <nfs/nfsv2.h>

+#include <nfs/nfs.h>
+
+#ifdef KERBEROS
+#include <kerberosIV/des.h>
+#include <kerberosIV/krb.h>
+#endif
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <pwd.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <unistd.h>

 
 /* Global defs */
 #ifdef DEBUG
 #define        syslog(e, s)    fprintf(stderr,(s))
 
 /* Global defs */
 #ifdef DEBUG
 #define        syslog(e, s)    fprintf(stderr,(s))

-int debug = 1;
+int    debug = 1;

 #else
 #else

-int debug = 0;
+int    debug = 0;

 #endif
 #endif

-struct hadr {
-       u_long  ha_sad;
-       struct hadr *ha_next;
-};
-struct hadr hphead;
+
+struct nfsd_srvargs nsd;
+char   **Argv = NULL;          /* pointer to argument vector */
+char   *LastArg = NULL;        /* end of argv */
+
+#ifdef KERBEROS
+char           lnam[ANAME_SZ];
+KTEXT_ST       kt;
+AUTH_DAT       auth;
+char           inst[INST_SZ];
+#endif
+
+void   reapchild __P((int));
+void   setproctitle __P((char *));
+void   usage __P((void));

 
 /*
  * Nfs server daemon mostly just a user context for nfssvc()
 
 /*
  * Nfs server daemon mostly just a user context for nfssvc()

+ *

  * 1 - do file descriptor and signal cleanup
  * 1 - do file descriptor and signal cleanup

- * 2 - create server socket
- * 3 - register socket with portmap
- * For SOCK_DGRAM, just fork children and send them into the kernel
- * by calling nfssvc()
- * For connection based sockets, loop doing accepts. When you get a new socket
- * from accept, fork a child that drops into the kernel via. nfssvc.
- * This child will return from nfssvc when the connection is closed, so
- * just shutdown() and exit().
+ * 2 - fork the nfsd(s)
+ * 3 - create server socket(s)
+ * 4 - register socket with portmap
+ *
+ * For connectionless protocols, just pass the socket into the kernel via.
+ * nfssvc().
+ * For connection based sockets, loop doing accepts. When you get a new
+ * socket from accept, pass the msgsock into the kernel via. nfssvc().

  * The arguments are:
  * The arguments are:

- * -t - support tcp nfs clients
- * -u - support udp nfs clients
+ *     -c - support iso cltp clients
+ *     -r - reregister with portmapper
+ *     -t - support tcp nfs clients
+ *     -u - support udp nfs clients
+ * followed by "n" which is the number of nfsds' to fork off

  */
  */

-main(argc, argv)
+int
+main(argc, argv, envp)

        int argc;
        int argc;

-       char **argv;
+       char *argv[], *envp[];

 {
 {

-       register int i;
-       register char *cp, *cp2;
-       register struct hadr *hp;
-       int udpcnt, sock, msgsock, tcpflag = 0, udpflag = 0, ret, len;
-       char opt;
-       union wait chldstat;

        extern int optind;
        extern int optind;

-       extern char *optarg;
-       struct sockaddr_in saddr, msk, mtch, peername;
+       struct group *grp;
+       struct nfsd_args nfsdargs;
+       struct passwd *pwd;
+       struct ucred *cr;
+       struct sockaddr_in inetaddr, inetpeer;
+#ifdef ISO
+       struct sockaddr_iso isoaddr, isopeer;
+#endif
+       fd_set ready, sockbits;
+       int ch, cltpflag, connect_type_cnt, i, len, maxsock, msgsock;
+       int nfsdcnt, nfssvc_flag, on, reregister, sock, tcpflag, tcpsock;
+       int tp4cnt, tp4flag, tp4sock, tpipcnt, tpipflag, tpipsock, udpflag;
+       char *cp, **cpp;
+
+       /* Save start and extent of argv for setproctitle. */
+       Argv = argv;
+       if (envp == 0 || *envp == 0)
+               envp = argv;
+       while (*envp)
+               envp++;
+       LastArg = envp[-1] + strlen(envp[-1]);

 
 

-       while ((opt = getopt(argc, argv, "t:u:")) != EOF)
-               switch (opt) {
+#define        MAXNFSDCNT      20
+#define        DEFNFSDCNT       4
+       nfsdcnt = DEFNFSDCNT;
+       cltpflag = reregister = tcpflag = tp4cnt = tp4flag = tpipcnt = 0;
+       tpipflag = udpflag = 0;
+#ifdef ISO
+#define        GETOPT  "cn:rtu"
+#define        USAGE   "[-crtu] [-n num_servers]"
+#else
+#define        GETOPT  "n:rtu"
+#define        USAGE   "[-rtu] [-n num_servers]"
+#endif
+       while ((ch = getopt(argc, argv, GETOPT)) != EOF)
+               switch (ch) {
+               case 'n':
+                       nfsdcnt = atoi(argv[optind]);
+                       if (nfsdcnt < 1 || nfsdcnt > MAXNFSDCNT) {
+                               warnx("nfsd count %d; reset to %d", DEFNFSDCNT);
+                               nfsdcnt = DEFNFSDCNT;
+                       }
+                       break;
+               case 'r':
+                       reregister = 1;
+                       break;

                case 't':
                case 't':

-                       tcpflag++;
-                       if (cp = index(optarg, ',')) {
-                               *cp++ = '\0';
-                               msk.sin_addr.s_addr = inet_addr(optarg);
-                               if (msk.sin_addr.s_addr == -1)
-                                       usage();
-                               if (cp2 = index(cp, ','))
-                                       *cp2++ = '\0';
-                               mtch.sin_addr.s_addr = inet_addr(cp);
-                               if (mtch.sin_addr.s_addr == -1)
-                                       usage();
-                               cp = cp2;
-                               hphead.ha_next = (struct hadr *)0;
-                               while (cp) {
-                                       if (cp2 = index(cp, ','))
-                                               *cp2++ = '\0';
-                                       hp = (struct hadr *)
-                                               malloc(sizeof (struct hadr));
-                                       hp->ha_sad = inet_addr(cp);
-                                       if (hp->ha_sad == -1)
-                                               usage();
-                                       hp->ha_next = hphead.ha_next;
-                                       hphead.ha_next = hp;
-                                       cp = cp2;
-                               }
-                       } else
-                               usage();
+                       tcpflag = 1;

                        break;
                case 'u':
                        break;
                case 'u':

-                       udpflag++;
-                       if (cp = index(optarg, ',')) {
-                               *cp++ = '\0';
-                               msk.sin_addr.s_addr = inet_addr(optarg);
-                               if (msk.sin_addr.s_addr == -1)
-                                       usage();
-                               if (cp2 = index(cp, ','))
-                                       *cp2++ = '\0';
-                               mtch.sin_addr.s_addr = inet_addr(cp);
-                               if (mtch.sin_addr.s_addr == -1)
-                                       usage();
-                               if (cp2)
-                                       udpcnt = atoi(cp2);
-                               if (udpcnt < 1 || udpcnt > 20)
-                                       udpcnt = 1;
-                       } else
-                               usage();
+                       udpflag = 1;
+                       break;
+#ifdef ISO
+               case 'c':
+                       cltpflag = 1;

                        break;
                        break;

+#ifdef notyet
+               case 'i':
+                       tp4cnt = 1;
+                       break;
+               case 'p':
+                       tpipcnt = 1;
+                       break;
+#endif /* notyet */
+#endif /* ISO */

                default:
                case '?':
                        usage();
                };
                default:
                case '?':
                        usage();
                };

-       if (optind == 1) {
-               if (argc > 1)
-                       udpcnt = atoi(*++argv);
-               if (udpcnt < 1 || udpcnt > 20)
-                       udpcnt = 1;
-               msk.sin_addr.s_addr = mtch.sin_addr.s_addr = 0;
-               udpflag++;
+       argv += optind;
+       argc -= optind;
+
+       /*
+        * XXX
+        * Backward compatibility, trailing number is the count of daemons.
+        */
+       if (argc > 1)
+               usage();
+       if (argc == 1) {
+               nfsdcnt = atoi(argv[optind]);
+               if (nfsdcnt < 1 || nfsdcnt > MAXNFSDCNT) {
+                       warnx("nfsd count %d; reset to %d", DEFNFSDCNT);
+                       nfsdcnt = DEFNFSDCNT;
+               }

        }
        }

+

        if (debug == 0) {
                daemon(0, 0);
        if (debug == 0) {
                daemon(0, 0);

-               signal(SIGINT, SIG_IGN);
-               signal(SIGQUIT, SIG_IGN);
-               signal(SIGTERM, SIG_IGN);
-               signal(SIGHUP, SIG_IGN);
+               (void)signal(SIGINT, SIG_IGN);
+               (void)signal(SIGQUIT, SIG_IGN);
+               (void)signal(SIGTERM, SIG_IGN);
+               (void)signal(SIGHUP, SIG_IGN);
+       }
+       (void)signal(SIGCHLD, reapchild);
+
+       if (reregister) {
+               if (udpflag &&
+                   !pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_UDP, NFS_PORT))
+                       err(1, "can't register with portmap for UDP.");
+               if (tcpflag &&
+                   !pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_TCP, NFS_PORT))
+                       err(1, "can't register with portmap for TCP.");
+               exit(0);

        }
        openlog("nfsd:", LOG_PID, LOG_DAEMON);
        }
        openlog("nfsd:", LOG_PID, LOG_DAEMON);

-       pmap_unset(RPCPROG_NFS, NFS_VER2);
+
+       for (i = 0; i < nfsdcnt; i++) {
+               switch (fork()) {
+               case -1:
+                       syslog(LOG_ERR, "fork: %m");
+                       exit (1);
+               case 0:
+                       break;
+               default:
+                       continue;
+               }
+
+               setproctitle("nfsd-srv");
+               nfssvc_flag = NFSSVC_NFSD;
+               nsd.nsd_nfsd = NULL;
+#ifdef KERBEROS
+               nsd.nsd_authstr = (char *)kt.dat;
+#endif
+               while (nfssvc(nfssvc_flag, &nsd) < 0) {
+                       if (errno != ENEEDAUTH) {
+                               syslog(LOG_ERR, "nfssvc: %m");
+                               exit(1);
+                       }
+                       nfssvc_flag = NFSSVC_NFSD | NFSSVC_AUTHINFAIL;
+#ifdef KERBEROS
+                       kt.length = nsd.nsd_authlen;
+                       kt.mbz = 0;
+                       (void)strcpy(inst, "*");
+                       if (krb_rd_req(&kt, "rcmd",
+                           inst, nsd.nsd_haddr, &auth, "") == RD_AP_OK &&
+                           krb_kntoln(&auth, lnam) == KSUCCESS &&
+                           (pwd = getpwnam(lnam)) != NULL) {
+                               cr = &nsd.nsd_cr;
+                               cr->cr_uid = pwd->pw_uid;
+                               cr->cr_groups[0] = pwd->pw_gid;
+                               cr->cr_ngroups = 1;
+                               setgrent();
+                               while ((grp = getgrent()) != NULL) {
+                                       if (grp->gr_gid == cr->cr_groups[0])
+                                               continue;
+                                       for (cpp = grp->gr_mem;
+                                           *cpp != NULL; ++cpp)
+                                               if (!strcmp(*cpp, lnam))
+                                                       break;
+                                       if (*cpp == NULL)
+                                               continue;
+                                       cr->cr_groups[cr->cr_ngroups++]
+                                           = grp->gr_gid;
+                                       if (cr->cr_ngroups == NGROUPS)
+                                               break;
+                               }
+                               endgrent();
+                               nfssvc_flag = NFSSVC_NFSD | NFSSVC_AUTHIN;
+                       }
+#endif /* KERBEROS */
+               }
+               exit(0);
+       }
+
+       /* If we are serving udp, set up the socket. */

        if (udpflag) {
                if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
        if (udpflag) {
                if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {

-                       syslog(LOG_ERR, "Can't create socket");
+                       syslog(LOG_ERR, "can't create udp socket");

                        exit(1);
                }
                        exit(1);
                }

-               saddr.sin_family = AF_INET;
-               saddr.sin_addr.s_addr = INADDR_ANY;
-               saddr.sin_port = htons(NFS_PORT);
-               if (bind(sock, &saddr, sizeof(saddr)) < 0) {
-                       syslog(LOG_ERR, "Can't bind addr");
+               inetaddr.sin_family = AF_INET;
+               inetaddr.sin_addr.s_addr = INADDR_ANY;
+               inetaddr.sin_port = htons(NFS_PORT);
+               inetaddr.sin_len = sizeof(inetaddr);
+               if (bind(sock,
+                   (struct sockaddr *)&inetaddr, sizeof(inetaddr)) < 0) {
+                       syslog(LOG_ERR, "can't bind udp addr");

                        exit(1);
                }
                if (!pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_UDP, NFS_PORT)) {
                        exit(1);
                }
                if (!pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_UDP, NFS_PORT)) {

-                       syslog(LOG_ERR, "Can't register with portmap");
+                       syslog(LOG_ERR, "can't register with udp portmap");
+                       exit(1);
+               }
+               nfsdargs.sock = sock;
+               nfsdargs.name = NULL;
+               nfsdargs.namelen = 0;
+               if (nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) {
+                       syslog(LOG_ERR, "can't Add UDP socket");
+                       exit(1);
+               }
+               (void)close(sock);
+       }
+
+#ifdef ISO
+       /* If we are serving cltp, set up the socket. */
+       if (cltpflag) {
+               if ((sock = socket(AF_ISO, SOCK_DGRAM, 0)) < 0) {
+                       syslog(LOG_ERR, "can't create cltp socket");
+                       exit(1);
+               }
+               memset(&isoaddr, 0, sizeof(isoaddr));
+               isoaddr.siso_family = AF_ISO;
+               isoaddr.siso_tlen = 2;
+               cp = TSEL(&isoaddr);
+               *cp++ = (NFS_PORT >> 8);
+               *cp = (NFS_PORT & 0xff);
+               isoaddr.siso_len = sizeof(isoaddr);
+               if (bind(sock,
+                   (struct sockaddr *)&isoaddr, sizeof(isoaddr)) < 0) {
+                       syslog(LOG_ERR, "can't bind cltp addr");

                        exit(1);
                }
                        exit(1);
                }

-       
+#ifdef notyet

                /*
                /*

-                * Send the nfs datagram servers right down into the kernel
+                * XXX
+                * Someday this should probably use "rpcbind", the son of
+                * portmap.

                 */
                 */

-               for (i = 0; i < udpcnt; i++)
-                       if (fork() == 0) {
-                               ret = nfssvc(sock, &msk, sizeof(msk),
-                                               &mtch, sizeof(mtch));
-                               if (ret < 0)
-                                       syslog(LOG_ERR, "nfssvc() failed %m");
-                               exit();
-                       }
+               if (!pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_UDP, NFS_PORT)) {
+                       syslog(LOG_ERR, "can't register with udp portmap");
+                       exit(1);
+               }
+#endif /* notyet */
+               nfsdargs.sock = sock;
+               nfsdargs.name = NULL;
+               nfsdargs.namelen = 0;
+               if (nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) {
+                       syslog(LOG_ERR, "can't add UDP socket");
+                       exit(1);
+               }

                close(sock);
        }
                close(sock);
        }

+#endif /* ISO */

 
 

-       /*
-        * Now set up the master STREAM server waiting for tcp connections.
-        */
+       /* Now set up the master server socket waiting for tcp connections. */
+       on = 1;
+       FD_ZERO(&sockbits);
+       connect_type_cnt = 0;

        if (tcpflag) {
        if (tcpflag) {

-               if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
-                       syslog(LOG_ERR, "Can't create socket");
+               if ((tcpsock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+                       syslog(LOG_ERR, "can't create tcp socket");

                        exit(1);
                }
                        exit(1);
                }

-               saddr.sin_family = AF_INET;
-               saddr.sin_addr.s_addr = INADDR_ANY;
-               saddr.sin_port = htons(NFS_PORT);
-               if (bind(sock, &saddr, sizeof(saddr)) < 0) {
-                       syslog(LOG_ERR, "Can't bind addr");
+               if (setsockopt(tcpsock,
+                   SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
+                       syslog(LOG_ERR, "setsockopt SO_REUSEADDR: %m");
+               inetaddr.sin_family = AF_INET;
+               inetaddr.sin_addr.s_addr = INADDR_ANY;
+               inetaddr.sin_port = htons(NFS_PORT);
+               inetaddr.sin_len = sizeof(inetaddr);
+               if (bind(tcpsock,
+                   (struct sockaddr *)&inetaddr, sizeof (inetaddr)) < 0) {
+                       syslog(LOG_ERR, "can't bind tcp addr");

                        exit(1);
                }
                        exit(1);
                }

-               if (listen(sock, 5) < 0) {
-                       syslog(LOG_ERR, "Listen failed");
+               if (listen(tcpsock, 5) < 0) {
+                       syslog(LOG_ERR, "listen failed");

                        exit(1);
                }
                if (!pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_TCP, NFS_PORT)) {
                        exit(1);
                }
                if (!pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_TCP, NFS_PORT)) {

-                       syslog(LOG_ERR, "Can't register with portmap");
+                       syslog(LOG_ERR, "can't register tcp with portmap");
+                       exit(1);
+               }
+               FD_SET(tcpsock, &sockbits);
+               maxsock = tcpsock;
+               connect_type_cnt++;
+       }
+
+#ifdef notyet
+       /* Now set up the master server socket waiting for tp4 connections. */
+       if (tp4flag) {
+               if ((tp4sock = socket(AF_ISO, SOCK_SEQPACKET, 0)) < 0) {
+                       syslog(LOG_ERR, "can't create tp4 socket");
+                       exit(1);
+               }
+               if (setsockopt(tp4sock,
+                   SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
+                       syslog(LOG_ERR, "setsockopt SO_REUSEADDR: %m");
+               memset(&isoaddr, 0, sizeof(isoaddr));
+               isoaddr.siso_family = AF_ISO;
+               isoaddr.siso_tlen = 2;
+               cp = TSEL(&isoaddr);
+               *cp++ = (NFS_PORT >> 8);
+               *cp = (NFS_PORT & 0xff);
+               isoaddr.siso_len = sizeof(isoaddr);
+               if (bind(tp4sock,
+                   (struct sockaddr *)&isoaddr, sizeof (isoaddr)) < 0) {
+                       syslog(LOG_ERR, "can't bind tp4 addr");
+                       exit(1);
+               }
+               if (listen(tp4sock, 5) < 0) {
+                       syslog(LOG_ERR, "listen failed");

                        exit(1);
                }
                /*
                        exit(1);
                }
                /*

-                * Loop forever accepting connections and sending the children
-                * into the kernel to service the mounts.
+                * XXX
+                * Someday this should probably use "rpcbind", the son of
+                * portmap.

                 */
                 */

-               for (;;) {
-                       if ((msgsock = accept(sock, (struct sockaddr *)0,
-                               (int *)0)) < 0) {
-                               syslog(LOG_ERR, "Accept failed: %m");
+               if (!pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_TCP, NFS_PORT)) {
+                       syslog(LOG_ERR, "can't register tcp with portmap");
+                       exit(1);
+               }
+               FD_SET(tp4sock, &sockbits);
+               maxsock = tp4sock;
+               connect_type_cnt++;
+       }
+
+       /* Now set up the master server socket waiting for tpip connections. */
+       if (tpipflag) {
+               if ((tpipsock = socket(AF_INET, SOCK_SEQPACKET, 0)) < 0) {
+                       syslog(LOG_ERR, "can't create tpip socket");
+                       exit(1);
+               }
+               if (setsockopt(tpipsock,
+                   SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
+                       syslog(LOG_ERR, "setsockopt SO_REUSEADDR: %m");
+               inetaddr.sin_family = AF_INET;
+               inetaddr.sin_addr.s_addr = INADDR_ANY;
+               inetaddr.sin_port = htons(NFS_PORT);
+               inetaddr.sin_len = sizeof(inetaddr);
+               if (bind(tpipsock,
+                   (struct sockaddr *)&inetaddr, sizeof (inetaddr)) < 0) {
+                       syslog(LOG_ERR, "can't bind tcp addr");
+                       exit(1);
+               }
+               if (listen(tpipsock, 5) < 0) {
+                       syslog(LOG_ERR, "listen failed");
+                       exit(1);
+               }
+               /*
+                * XXX
+                * Someday this should probably use "rpcbind", the son of
+                * portmap.
+                */
+               if (!pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_TCP, NFS_PORT)) {
+                       syslog(LOG_ERR, "can't register tcp with portmap");
+                       exit(1);
+               }
+               FD_SET(tpipsock, &sockbits);
+               maxsock = tpipsock;
+               connect_type_cnt++;
+       }
+#endif /* notyet */
+
+       if (connect_type_cnt == 0)
+               exit(0);
+
+       setproctitle("nfsd-master");
+
+       /*
+        * Loop forever accepting connections and passing the sockets
+        * into the kernel for the mounts.
+        */
+       for (;;) {
+               ready = sockbits;
+               if (connect_type_cnt > 1) {
+                       if (select(maxsock + 1,
+                           &ready, NULL, NULL, NULL) < 1) {
+                               syslog(LOG_ERR, "select failed: %m");

                                exit(1);
                        }
                                exit(1);
                        }

-                       /*
-                        * Grab child termination status' just so defuncts
-                        * are not left lying about.
-                        */
-                       while (wait3(&chldstat, WNOHANG, (struct rusage *)0))
-                               ;
-                       len = sizeof(peername);
-                       if (getsockname(msgsock, &peername, &len) < 0) {
-                               syslog(LOG_ERR, "Getsockname failed\n");
+               }
+               if (tcpflag && FD_ISSET(tcpsock, &ready)) {
+                       len = sizeof(inetpeer);
+                       if ((msgsock = accept(tcpsock,
+                           (struct sockaddr *)&inetpeer, &len)) < 0) {
+                               syslog(LOG_ERR, "accept failed: %m");

                                exit(1);
                        }
                                exit(1);
                        }

-                       if ((peername.sin_addr.s_addr & msk.sin_addr.s_addr)
-                               != mtch.sin_addr.s_addr) {
-                               hp = hphead.ha_next;
-                               while (hp) {
-                                       if (peername.sin_addr.s_addr ==
-                                               hp->ha_sad)
-                                               break;
-                                       hp = hp->ha_next;
-                               }
-                               if (hp == NULL) {
-                                       shutdown(msgsock, 2);
-                                       close(msgsock);
-                                       continue;
-                               }
+                       memset(inetpeer.sin_zero, 0, sizeof(inetpeer.sin_zero));
+                       if (setsockopt(msgsock, SOL_SOCKET,
+                           SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0)
+                               syslog(LOG_ERR,
+                                   "setsockopt SO_KEEPALIVE: %m");
+                       nfsdargs.sock = msgsock;
+                       nfsdargs.name = (caddr_t)&inetpeer;
+                       nfsdargs.namelen = sizeof(inetpeer);
+                       nfssvc(NFSSVC_ADDSOCK, &nfsdargs);
+                       (void)close(msgsock);
+               }
+#ifdef notyet
+               if (tp4flag && FD_ISSET(tp4sock, &ready)) {
+                       len = sizeof(isopeer);
+                       if ((msgsock = accept(tp4sock,
+                           (struct sockaddr *)&isopeer, &len)) < 0) {
+                               syslog(LOG_ERR, "accept failed: %m");
+                               exit(1);

                        }
                        }

-                       if (fork() == 0) {
-                               close(sock);
-                               ret = nfssvc(msgsock, &msk, sizeof(msk),
-                                               &mtch, sizeof(mtch));
-                               shutdown(msgsock, 2);
-                               if (ret < 0)
-                                       syslog(LOG_NOTICE,
-                                           "Nfssvc STREAM Failed");
-                               exit();
+                       if (setsockopt(msgsock, SOL_SOCKET,
+                           SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0)
+                               syslog(LOG_ERR,
+                                   "setsockopt SO_KEEPALIVE: %m");
+                       nfsdargs.sock = msgsock;
+                       nfsdargs.name = (caddr_t)&isopeer;
+                       nfsdargs.namelen = len;
+                       nfssvc(NFSSVC_ADDSOCK, &nfsdargs);
+                       (void)close(msgsock);
+               }
+               if (tpipflag && FD_ISSET(tpipsock, &ready)) {
+                       len = sizeof(inetpeer);
+                       if ((msgsock = accept(tpipsock,
+                           (struct sockaddr *)&inetpeer, &len)) < 0) {
+                               syslog(LOG_ERR, "Accept failed: %m");
+                               exit(1);

                        }
                        }

-                       close(msgsock);
+                       if (setsockopt(msgsock, SOL_SOCKET,
+                           SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0)
+                               syslog(LOG_ERR, "setsockopt SO_KEEPALIVE: %m");
+                       nfsdargs.sock = msgsock;
+                       nfsdargs.name = (caddr_t)&inetpeer;
+                       nfsdargs.namelen = len;
+                       nfssvc(NFSSVC_ADDSOCK, &nfsdargs);
+                       (void)close(msgsock);

                }
                }

+#endif /* notyet */

        }
 }
 
        }
 }
 

+void

 usage()
 {
 usage()
 {

-       fprintf(stderr, "nfsd [-t msk,mtch[,addrs]] [-u msk,mtch,numprocs]\n");
+       (void)fprintf(stderr, "nfsd %s\n", USAGE);

        exit(1);
 }
        exit(1);
 }

+
+void
+reapchild(signo)
+       int signo;
+{
+
+       while (wait3(NULL, WNOHANG, NULL));
+}
+
+void
+setproctitle(a)
+       char *a;
+{
+       register char *cp;
+       char buf[80];
+
+       cp = Argv[0];
+       (void)snprintf(buf, sizeof(buf), "%s", a);
+       (void)strncpy(cp, buf, LastArg - cp);
+       cp += strlen(cp);
+       while (cp < LastArg)
+               *cp++ = ' ';
+}