/* * Please do not edit this file. * It was generated using rpcgen. */ #include "mount.h" #include #include /* getenv, exit */ #include /* for pmap_unset */ #include /* strcmp */ #include #ifdef __cplusplus #include /* getdtablesize, open */ #endif /* __cplusplus */ #include /* setsid */ #include #include #include #include #include /* rlimit */ #include #ifndef SIG_PF #define SIG_PF void(*)(int) #endif #ifdef DEBUG #define RPC_SVC_FG #endif #define _RPCSVC_CLOSEDOWN 120 static int _rpcpmstart; /* Started by a port monitor ? */ /* States a server can be in wrt request */ #define _IDLE 0 #define _SERVED 1 static int _rpcsvcstate = _IDLE; /* Set when a request is serviced */ static int _rpcsvccount = 0; /* Number of requests being serviced */ static void _msgout(char* msg) { #ifdef RPC_SVC_FG if (_rpcpmstart) syslog(LOG_ERR, msg); else (void) fprintf(stderr, "%s\n", msg); #else syslog(LOG_ERR, msg); #endif } static void closedown(int sig) { if (_rpcsvcstate == _IDLE && _rpcsvccount == 0) { extern fd_set svc_fdset; static int size; int i, openfd; struct t_info tinfo; if (!t_getinfo(0, &tinfo) && (tinfo.servtype == T_CLTS)) exit(0); if (size == 0) { struct rlimit rl; rl.rlim_max = 0; getrlimit(RLIMIT_NOFILE, &rl); if ((size = rl.rlim_max) == 0) { return; } } for (i = 0, openfd = 0; i < size && openfd < 2; i++) if (FD_ISSET(i, &svc_fdset)) openfd++; if (openfd <= 1) exit(0); } else _rpcsvcstate = _IDLE; (void) signal(SIGALRM, (SIG_PF) closedown); (void) alarm(_RPCSVC_CLOSEDOWN/2); } static void mountprog_1(struct svc_req *rqstp, register SVCXPRT *transp) { union { dirpath mountproc_mnt_1_arg; dirpath mountproc_umnt_1_arg; } argument; char *result; xdrproc_t _xdr_argument, _xdr_result; char *(*local)(char *, struct svc_req *); _rpcsvccount++; switch (rqstp->rq_proc) { case MOUNTPROC_NULL: _xdr_argument = (xdrproc_t) xdr_void; _xdr_result = (xdrproc_t) xdr_void; local = (char *(*)(char *, struct svc_req *)) mountproc_null_1_svc; break; case MOUNTPROC_MNT: _xdr_argument = (xdrproc_t) xdr_dirpath; _xdr_result = (xdrproc_t) xdr_fhstatus; local = (char *(*)(char *, struct svc_req *)) mountproc_mnt_1_svc; break; case MOUNTPROC_DUMP: _xdr_argument = (xdrproc_t) xdr_void; _xdr_result = (xdrproc_t) xdr_mountlist; local = (char *(*)(char *, struct svc_req *)) mountproc_dump_1_svc; break; case MOUNTPROC_UMNT: _xdr_argument = (xdrproc_t) xdr_dirpath; _xdr_result = (xdrproc_t) xdr_void; local = (char *(*)(char *, struct svc_req *)) mountproc_umnt_1_svc; break; case MOUNTPROC_UMNTALL: _xdr_argument = (xdrproc_t) xdr_void; _xdr_result = (xdrproc_t) xdr_void; local = (char *(*)(char *, struct svc_req *)) mountproc_umntall_1_svc; break; case MOUNTPROC_EXPORT: _xdr_argument = (xdrproc_t) xdr_void; _xdr_result = (xdrproc_t) xdr_exports; local = (char *(*)(char *, struct svc_req *)) mountproc_export_1_svc; break; case MOUNTPROC_EXPORTALL: _xdr_argument = (xdrproc_t) xdr_void; _xdr_result = (xdrproc_t) xdr_exports; local = (char *(*)(char *, struct svc_req *)) mountproc_exportall_1_svc; break; default: svcerr_noproc(transp); _rpcsvccount--; _rpcsvcstate = _SERVED; return; } (void) memset((char *)&argument, 0, sizeof (argument)); if (!svc_getargs(transp, _xdr_argument, (caddr_t) &argument)) { svcerr_decode(transp); _rpcsvccount--; _rpcsvcstate = _SERVED; return; } result = (*local)((char *)&argument, rqstp); if (result != NULL && !svc_sendreply(transp, _xdr_result, result)) { svcerr_systemerr(transp); } if (!svc_freeargs(transp, _xdr_argument, (caddr_t) &argument)) { _msgout("unable to free arguments"); exit(1); } _rpcsvccount--; _rpcsvcstate = _SERVED; return; } main() { pid_t pid; int i; (void) sigset(SIGPIPE, SIG_IGN); /* * If stdin looks like a TLI endpoint, we assume * that we were started by a port monitor. If * t_getstate fails with TBADF, this is not a * TLI endpoint. */ if (t_getstate(0) != -1 || t_errno != TBADF) { char *netid; struct netconfig *nconf = NULL; SVCXPRT *transp; int pmclose; _rpcpmstart = 1; openlog("mount", LOG_PID, LOG_DAEMON); if ((netid = getenv("NLSPROVIDER")) == NULL) { /* started from inetd */ pmclose = 1; } else { if ((nconf = getnetconfigent(netid)) == NULL) _msgout("cannot get transport info"); pmclose = (t_getstate(0) != T_DATAXFER); } if ((transp = svc_tli_create(0, nconf, NULL, 0, 0)) == NULL) { _msgout("cannot create server handle"); exit(1); } if (nconf) freenetconfigent(nconf); if (!svc_reg(transp, MOUNTPROG, MOUNTVERS, mountprog_1, 0)) { _msgout("unable to register (MOUNTPROG, MOUNTVERS)."); exit(1); } if (pmclose) { (void) signal(SIGALRM, (SIG_PF) closedown); (void) alarm(_RPCSVC_CLOSEDOWN/2); } svc_run(); exit(1); /* NOTREACHED */ } else { #ifndef RPC_SVC_FG int size; struct rlimit rl; pid = fork(); if (pid < 0) { perror("cannot fork"); exit(1); } if (pid) exit(0); rl.rlim_max = 0; getrlimit(RLIMIT_NOFILE, &rl); if ((size = rl.rlim_max) == 0) exit(1); for (i = 0; i < size; i++) (void) close(i); i = open("/dev/null", 2); (void) dup2(i, 1); (void) dup2(i, 2); setsid(); openlog("mount", LOG_PID, LOG_DAEMON); #endif } if (!svc_create(mountprog_1, MOUNTPROG, MOUNTVERS, "netpath")) { _msgout("unable to create (MOUNTPROG, MOUNTVERS) for netpath."); exit(1); } svc_run(); _msgout("svc_run returned"); exit(1); /* NOTREACHED */ }