diff options
Diffstat (limited to 'sunrpc/pmap_rmt.c')
| -rw-r--r-- | sunrpc/pmap_rmt.c | 568 |
1 files changed, 297 insertions, 271 deletions
diff --git a/sunrpc/pmap_rmt.c b/sunrpc/pmap_rmt.c index 8907929973..c3667d4738 100644 --- a/sunrpc/pmap_rmt.c +++ b/sunrpc/pmap_rmt.c @@ -39,6 +39,8 @@ static char sccsid[] = "@(#)pmap_rmt.c 1.21 87/08/27 Copyr 1984 Sun Micro"; * Copyright (C) 1984, Sun Microsystems, Inc. */ +#include <unistd.h> +#include <string.h> #include <rpc/rpc.h> #include <rpc/pmap_prot.h> #include <rpc/pmap_clnt.h> @@ -53,11 +55,7 @@ static char sccsid[] = "@(#)pmap_rmt.c 1.21 87/08/27 Copyr 1984 Sun Micro"; #include <arpa/inet.h> #define MAX_BROADCAST_SIZE 1400 -#ifndef errno -extern int errno; -#endif -static struct timeval timeout = { 3, 0 }; - +static struct timeval timeout = {3, 0}; /* * pmapper remote-call-service interface. @@ -65,42 +63,46 @@ static struct timeval timeout = { 3, 0 }; * which will look up a service program in the port maps, and then * remotely call that routine with the given parameters. This allows * programs to do a lookup and call in one step. -*/ + */ enum clnt_stat -pmap_rmtcall(addr, prog, vers, proc, xdrargs, argsp, xdrres, resp, tout, port_ptr) - struct sockaddr_in *addr; - u_long prog, vers, proc; - xdrproc_t xdrargs, xdrres; - caddr_t argsp, resp; - struct timeval tout; - u_long *port_ptr; +pmap_rmtcall (addr, prog, vers, proc, xdrargs, argsp, xdrres, resp, tout, port_ptr) + struct sockaddr_in *addr; + u_long prog, vers, proc; + xdrproc_t xdrargs, xdrres; + caddr_t argsp, resp; + struct timeval tout; + u_long *port_ptr; { - int socket = -1; - register CLIENT *client; - struct rmtcallargs a; - struct rmtcallres r; - enum clnt_stat stat; + int socket = -1; + CLIENT *client; + struct rmtcallargs a; + struct rmtcallres r; + enum clnt_stat stat; - addr->sin_port = htons(PMAPPORT); - client = clntudp_create(addr, PMAPPROG, PMAPVERS, timeout, &socket); - if (client != (CLIENT *)NULL) { - a.prog = prog; - a.vers = vers; - a.proc = proc; - a.args_ptr = argsp; - a.xdr_args = xdrargs; - r.port_ptr = port_ptr; - r.results_ptr = resp; - r.xdr_results = xdrres; - stat = CLNT_CALL(client, PMAPPROC_CALLIT, xdr_rmtcall_args, &a, - xdr_rmtcallres, &r, tout); - CLNT_DESTROY(client); - } else { - stat = RPC_FAILED; - } - /* (void)close(socket); CLNT_DESTROY already closed it */ - addr->sin_port = 0; - return (stat); + addr->sin_port = htons (PMAPPORT); + client = clntudp_create (addr, PMAPPROG, PMAPVERS, timeout, &socket); + if (client != (CLIENT *) NULL) + { + a.prog = prog; + a.vers = vers; + a.proc = proc; + a.args_ptr = argsp; + a.xdr_args = xdrargs; + r.port_ptr = port_ptr; + r.results_ptr = resp; + r.xdr_results = xdrres; + stat = CLNT_CALL (client, PMAPPROC_CALLIT, (xdrproc_t)xdr_rmtcall_args, + (caddr_t)&a, (xdrproc_t)xdr_rmtcallres, + (caddr_t)&r, tout); + CLNT_DESTROY (client); + } + else + { + stat = RPC_FAILED; + } + /* (void)close(socket); CLNT_DESTROY already closed it */ + addr->sin_port = 0; + return stat; } @@ -109,30 +111,31 @@ pmap_rmtcall(addr, prog, vers, proc, xdrargs, argsp, xdrres, resp, tout, port_pt * written for XDR_ENCODE direction only */ bool_t -xdr_rmtcall_args(xdrs, cap) - register XDR *xdrs; - register struct rmtcallargs *cap; +xdr_rmtcall_args (xdrs, cap) + XDR *xdrs; + struct rmtcallargs *cap; { - u_int lenposition, argposition, position; + u_int lenposition, argposition, position; - if (xdr_u_long(xdrs, &(cap->prog)) && - xdr_u_long(xdrs, &(cap->vers)) && - xdr_u_long(xdrs, &(cap->proc))) { - lenposition = XDR_GETPOS(xdrs); - if (! xdr_u_long(xdrs, &(cap->arglen))) - return (FALSE); - argposition = XDR_GETPOS(xdrs); - if (! (*(cap->xdr_args))(xdrs, cap->args_ptr)) - return (FALSE); - position = XDR_GETPOS(xdrs); - cap->arglen = (u_long)position - (u_long)argposition; - XDR_SETPOS(xdrs, lenposition); - if (! xdr_u_long(xdrs, &(cap->arglen))) - return (FALSE); - XDR_SETPOS(xdrs, position); - return (TRUE); - } - return (FALSE); + if (xdr_u_long (xdrs, &(cap->prog)) && + xdr_u_long (xdrs, &(cap->vers)) && + xdr_u_long (xdrs, &(cap->proc))) + { + lenposition = XDR_GETPOS (xdrs); + if (!xdr_u_long (xdrs, &(cap->arglen))) + return FALSE; + argposition = XDR_GETPOS (xdrs); + if (!(*(cap->xdr_args)) (xdrs, cap->args_ptr)) + return FALSE; + position = XDR_GETPOS (xdrs); + cap->arglen = (u_long) position - (u_long) argposition; + XDR_SETPOS (xdrs, lenposition); + if (!xdr_u_long (xdrs, &(cap->arglen))) + return FALSE; + XDR_SETPOS (xdrs, position); + return TRUE; + } + return FALSE; } /* @@ -140,19 +143,20 @@ xdr_rmtcall_args(xdrs, cap) * written for XDR_DECODE direction only */ bool_t -xdr_rmtcallres(xdrs, crp) - register XDR *xdrs; - register struct rmtcallres *crp; +xdr_rmtcallres (xdrs, crp) + XDR *xdrs; + struct rmtcallres *crp; { - caddr_t port_ptr; + caddr_t port_ptr; - port_ptr = (caddr_t)crp->port_ptr; - if (xdr_reference(xdrs, &port_ptr, sizeof (u_long), - xdr_u_long) && xdr_u_long(xdrs, &crp->resultslen)) { - crp->port_ptr = (u_long *)port_ptr; - return ((*(crp->xdr_results))(xdrs, crp->results_ptr)); - } - return (FALSE); + port_ptr = (caddr_t) crp->port_ptr; + if (xdr_reference (xdrs, &port_ptr, sizeof (u_long), (xdrproc_t) xdr_u_long) + && xdr_u_long (xdrs, &crp->resultslen)) + { + crp->port_ptr = (u_long *) port_ptr; + return (*(crp->xdr_results)) (xdrs, crp->results_ptr); + } + return FALSE; } @@ -163,231 +167,253 @@ xdr_rmtcallres(xdrs, crp) */ static int -getbroadcastnets(addrs, sock, buf) - struct in_addr *addrs; - int sock; /* any valid socket will do */ - char *buf; /* why allocate more when we can use existing... */ +getbroadcastnets (struct in_addr *addrs, int sock, char *buf) + /* int sock: any valid socket will do */ + /* char *buf: why allocate more when we can use existing... */ { - struct ifconf ifc; - struct ifreq ifreq, *ifr; - struct sockaddr_in *sin; - int n, i; + struct ifconf ifc; + struct ifreq ifreq, *ifr; + struct sockaddr_in *sin; + int n, i; - ifc.ifc_len = UDPMSGSIZE; - ifc.ifc_buf = buf; - if (ioctl(sock, SIOCGIFCONF, (char *)&ifc) < 0) { - perror(_("broadcast: ioctl (get interface configuration)")); - return (0); - } - ifr = ifc.ifc_req; - for (i = 0, n = ifc.ifc_len/sizeof (struct ifreq); n > 0; n--, ifr++) { - ifreq = *ifr; - if (ioctl(sock, SIOCGIFFLAGS, (char *)&ifreq) < 0) { - perror(_("broadcast: ioctl (get interface flags)")); - continue; - } - if ((ifreq.ifr_flags & IFF_BROADCAST) && - (ifreq.ifr_flags & IFF_UP) && - ifr->ifr_addr.sa_family == AF_INET) { - sin = (struct sockaddr_in *)&ifr->ifr_addr; -#ifdef SIOCGIFBRDADDR /* 4.3BSD */ - if (ioctl(sock, SIOCGIFBRDADDR, (char *)&ifreq) < 0) { - addrs[i++] = inet_makeaddr(inet_netof - /* Changed to pass struct instead of s_addr member - by roland@gnu. */ - (sin->sin_addr), INADDR_ANY); - } else { - addrs[i++] = ((struct sockaddr_in*) - &ifreq.ifr_addr)->sin_addr; - } + ifc.ifc_len = UDPMSGSIZE; + ifc.ifc_buf = buf; + if (ioctl (sock, SIOCGIFCONF, (char *) &ifc) < 0) + { + perror (_("broadcast: ioctl (get interface configuration)")); + return (0); + } + ifr = ifc.ifc_req; + for (i = 0, n = ifc.ifc_len / sizeof (struct ifreq); n > 0; n--, ifr++) + { + ifreq = *ifr; + if (ioctl (sock, SIOCGIFFLAGS, (char *) &ifreq) < 0) + { + perror (_("broadcast: ioctl (get interface flags)")); + continue; + } + if ((ifreq.ifr_flags & IFF_BROADCAST) && + (ifreq.ifr_flags & IFF_UP) && + ifr->ifr_addr.sa_family == AF_INET) + { + sin = (struct sockaddr_in *) &ifr->ifr_addr; +#ifdef SIOCGIFBRDADDR /* 4.3BSD */ + if (ioctl (sock, SIOCGIFBRDADDR, (char *) &ifreq) < 0) + { + addrs[i++] = inet_makeaddr (inet_netof + /* Changed to pass struct instead of s_addr member + by roland@gnu. */ + (sin->sin_addr), INADDR_ANY); + } + else + { + addrs[i++] = ((struct sockaddr_in *) + &ifreq.ifr_addr)->sin_addr; + } #else /* 4.2 BSD */ - addrs[i++] = inet_makeaddr(inet_netof - (sin->sin_addr.s_addr), INADDR_ANY); + addrs[i++] = inet_makeaddr (inet_netof + (sin->sin_addr.s_addr), INADDR_ANY); #endif - } } - return (i); + } + return i; } enum clnt_stat -clnt_broadcast(prog, vers, proc, xargs, argsp, xresults, resultsp, eachresult) - u_long prog; /* program number */ - u_long vers; /* version number */ - u_long proc; /* procedure number */ - xdrproc_t xargs; /* xdr routine for args */ - caddr_t argsp; /* pointer to args */ - xdrproc_t xresults; /* xdr routine for results */ - caddr_t resultsp; /* pointer to results */ - resultproc_t eachresult; /* call with each result obtained */ +clnt_broadcast (prog, vers, proc, xargs, argsp, xresults, resultsp, eachresult) + u_long prog; /* program number */ + u_long vers; /* version number */ + u_long proc; /* procedure number */ + xdrproc_t xargs; /* xdr routine for args */ + caddr_t argsp; /* pointer to args */ + xdrproc_t xresults; /* xdr routine for results */ + caddr_t resultsp; /* pointer to results */ + resultproc_t eachresult; /* call with each result obtained */ { - enum clnt_stat stat; - AUTH *unix_auth = authunix_create_default(); - XDR xdr_stream; - register XDR *xdrs = &xdr_stream; - int outlen, inlen, fromlen, nets; - register int sock; - int on = 1; + enum clnt_stat stat; + AUTH *unix_auth = authunix_create_default (); + XDR xdr_stream; + XDR *xdrs = &xdr_stream; + int outlen, inlen, fromlen, nets; + int sock; + int on = 1; #ifdef FD_SETSIZE - fd_set mask; - fd_set readfds; + fd_set mask; + fd_set readfds; #else - int readfds; - register int mask; + int readfds; + int mask; #endif /* def FD_SETSIZE */ - register int i; - bool_t done = FALSE; - register u_long xid; - u_long port; - struct in_addr addrs[20]; - struct sockaddr_in baddr, raddr; /* broadcast and response addresses */ - struct rmtcallargs a; - struct rmtcallres r; - struct rpc_msg msg; - struct timeval t, t1; - char outbuf[MAX_BROADCAST_SIZE], inbuf[UDPMSGSIZE]; + int i; + bool_t done = FALSE; + u_long xid; + u_long port; + struct in_addr addrs[20]; + struct sockaddr_in baddr, raddr; /* broadcast and response addresses */ + struct rmtcallargs a; + struct rmtcallres r; + struct rpc_msg msg; + struct timeval t, t1; + char outbuf[MAX_BROADCAST_SIZE], inbuf[UDPMSGSIZE]; - /* - * initialization: create a socket, a broadcast address, and - * preserialize the arguments into a send buffer. - */ - if ((sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) { - perror(_("Cannot create socket for broadcast rpc")); - stat = RPC_CANTSEND; - goto done_broad; - } + /* + * initialization: create a socket, a broadcast address, and + * preserialize the arguments into a send buffer. + */ + if ((sock = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) + { + perror (_("Cannot create socket for broadcast rpc")); + stat = RPC_CANTSEND; + goto done_broad; + } #ifdef SO_BROADCAST - if (setsockopt(sock, SOL_SOCKET, SO_BROADCAST, &on, sizeof (on)) < 0) { - perror(_("Cannot set socket option SO_BROADCAST")); - stat = RPC_CANTSEND; - goto done_broad; - } + if (setsockopt (sock, SOL_SOCKET, SO_BROADCAST, &on, sizeof (on)) < 0) + { + perror (_("Cannot set socket option SO_BROADCAST")); + stat = RPC_CANTSEND; + goto done_broad; + } #endif /* def SO_BROADCAST */ #ifdef FD_SETSIZE - FD_ZERO(&mask); - FD_SET(sock, &mask); + FD_ZERO (&mask); + FD_SET (sock, &mask); #else - mask = (1 << sock); + mask = (1 << sock); #endif /* def FD_SETSIZE */ - nets = getbroadcastnets(addrs, sock, inbuf); - bzero((char *)&baddr, sizeof (baddr)); - baddr.sin_family = AF_INET; - baddr.sin_port = htons(PMAPPORT); - baddr.sin_addr.s_addr = htonl(INADDR_ANY); -/* baddr.sin_addr.S_un.S_addr = htonl(INADDR_ANY); */ - (void)gettimeofday(&t, (struct timezone *)0); - msg.rm_xid = xid = getpid() ^ t.tv_sec ^ t.tv_usec; - t.tv_usec = 0; - msg.rm_direction = CALL; - msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; - msg.rm_call.cb_prog = PMAPPROG; - msg.rm_call.cb_vers = PMAPVERS; - msg.rm_call.cb_proc = PMAPPROC_CALLIT; - msg.rm_call.cb_cred = unix_auth->ah_cred; - msg.rm_call.cb_verf = unix_auth->ah_verf; - a.prog = prog; - a.vers = vers; - a.proc = proc; - a.xdr_args = xargs; - a.args_ptr = argsp; - r.port_ptr = &port; - r.xdr_results = xresults; - r.results_ptr = resultsp; - xdrmem_create(xdrs, outbuf, MAX_BROADCAST_SIZE, XDR_ENCODE); - if ((! xdr_callmsg(xdrs, &msg)) || (! xdr_rmtcall_args(xdrs, &a))) { - stat = RPC_CANTENCODEARGS; - goto done_broad; + nets = getbroadcastnets (addrs, sock, inbuf); + bzero ((char *) &baddr, sizeof (baddr)); + baddr.sin_family = AF_INET; + baddr.sin_port = htons (PMAPPORT); + baddr.sin_addr.s_addr = htonl (INADDR_ANY); +/* baddr.sin_addr.S_un.S_addr = htonl(INADDR_ANY); */ + (void) gettimeofday (&t, (struct timezone *) 0); + msg.rm_xid = xid = getpid () ^ t.tv_sec ^ t.tv_usec; + t.tv_usec = 0; + msg.rm_direction = CALL; + msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; + msg.rm_call.cb_prog = PMAPPROG; + msg.rm_call.cb_vers = PMAPVERS; + msg.rm_call.cb_proc = PMAPPROC_CALLIT; + msg.rm_call.cb_cred = unix_auth->ah_cred; + msg.rm_call.cb_verf = unix_auth->ah_verf; + a.prog = prog; + a.vers = vers; + a.proc = proc; + a.xdr_args = xargs; + a.args_ptr = argsp; + r.port_ptr = &port; + r.xdr_results = xresults; + r.results_ptr = resultsp; + xdrmem_create (xdrs, outbuf, MAX_BROADCAST_SIZE, XDR_ENCODE); + if ((!xdr_callmsg (xdrs, &msg)) || (!xdr_rmtcall_args (xdrs, &a))) + { + stat = RPC_CANTENCODEARGS; + goto done_broad; + } + outlen = (int) xdr_getpos (xdrs); + xdr_destroy (xdrs); + /* + * Basic loop: broadcast a packet and wait a while for response(s). + * The response timeout grows larger per iteration. + */ + for (t.tv_sec = 4; t.tv_sec <= 14; t.tv_sec += 2) + { + for (i = 0; i < nets; i++) + { + baddr.sin_addr = addrs[i]; + if (sendto (sock, outbuf, outlen, 0, + (struct sockaddr *) &baddr, + sizeof (struct sockaddr)) != outlen) + { + perror (_("Cannot send broadcast packet")); + stat = RPC_CANTSEND; + goto done_broad; + } } - outlen = (int)xdr_getpos(xdrs); - xdr_destroy(xdrs); - /* - * Basic loop: broadcast a packet and wait a while for response(s). - * The response timeout grows larger per iteration. - */ - for (t.tv_sec = 4; t.tv_sec <= 14; t.tv_sec += 2) { - for (i = 0; i < nets; i++) { - baddr.sin_addr = addrs[i]; - if (sendto(sock, outbuf, outlen, 0, - (struct sockaddr *)&baddr, - sizeof (struct sockaddr)) != outlen) { - perror(_("Cannot send broadcast packet")); - stat = RPC_CANTSEND; - goto done_broad; - } - } - if (eachresult == NULL) { - stat = RPC_SUCCESS; - goto done_broad; - } - recv_again: - msg.acpted_rply.ar_verf = _null_auth; - msg.acpted_rply.ar_results.where = (caddr_t)&r; - msg.acpted_rply.ar_results.proc = xdr_rmtcallres; - readfds = mask; - t1 = t; - switch (select(_rpc_dtablesize(), &readfds, (int *)NULL, - (int *)NULL, &t1)) { + if (eachresult == NULL) + { + stat = RPC_SUCCESS; + goto done_broad; + } + recv_again: + msg.acpted_rply.ar_verf = _null_auth; + msg.acpted_rply.ar_results.where = (caddr_t) & r; + msg.acpted_rply.ar_results.proc = (xdrproc_t) xdr_rmtcallres; + readfds = mask; + t1 = t; + switch (select (_rpc_dtablesize (), &readfds, (fd_set *) NULL, + (fd_set *) NULL, &t1)) + { - case 0: /* timed out */ - stat = RPC_TIMEDOUT; - continue; + case 0: /* timed out */ + stat = RPC_TIMEDOUT; + continue; - case -1: /* some kind of error */ - if (errno == EINTR) - goto recv_again; - perror(_("Broadcast select problem")); - stat = RPC_CANTRECV; - goto done_broad; + case -1: /* some kind of error */ + if (errno == EINTR) + goto recv_again; + perror (_("Broadcast select problem")); + stat = RPC_CANTRECV; + goto done_broad; - } /* end of select results switch */ - try_again: - fromlen = sizeof(struct sockaddr); - inlen = recvfrom(sock, inbuf, UDPMSGSIZE, 0, - (struct sockaddr *)&raddr, &fromlen); - if (inlen < 0) { - if (errno == EINTR) - goto try_again; - perror(_("Cannot receive reply to broadcast")); - stat = RPC_CANTRECV; - goto done_broad; - } - if (inlen < sizeof(u_long)) - goto recv_again; - /* - * see if reply transaction id matches sent id. - * If so, decode the results. - */ - xdrmem_create(xdrs, inbuf, (u_int)inlen, XDR_DECODE); - if (xdr_replymsg(xdrs, &msg)) { - if ((msg.rm_xid == xid) && - (msg.rm_reply.rp_stat == MSG_ACCEPTED) && - (msg.acpted_rply.ar_stat == SUCCESS)) { - raddr.sin_port = htons((u_short)port); - done = (*eachresult)(resultsp, &raddr); - } - /* otherwise, we just ignore the errors ... */ - } else { + } /* end of select results switch */ + try_again: + fromlen = sizeof (struct sockaddr); + inlen = recvfrom (sock, inbuf, UDPMSGSIZE, 0, + (struct sockaddr *) &raddr, &fromlen); + if (inlen < 0) + { + if (errno == EINTR) + goto try_again; + perror (_("Cannot receive reply to broadcast")); + stat = RPC_CANTRECV; + goto done_broad; + } + if (inlen < sizeof (u_long)) + goto recv_again; + /* + * see if reply transaction id matches sent id. + * If so, decode the results. + */ + xdrmem_create (xdrs, inbuf, (u_int) inlen, XDR_DECODE); + if (xdr_replymsg (xdrs, &msg)) + { + if ((msg.rm_xid == xid) && + (msg.rm_reply.rp_stat == MSG_ACCEPTED) && + (msg.acpted_rply.ar_stat == SUCCESS)) + { + raddr.sin_port = htons ((u_short) port); + done = (*eachresult) (resultsp, &raddr); + } + /* otherwise, we just ignore the errors ... */ + } + else + { #ifdef notdef - /* some kind of deserialization problem ... */ - if (msg.rm_xid == xid) - fprintf(stderr, "Broadcast deserialization problem"); - /* otherwise, just random garbage */ + /* some kind of deserialization problem ... */ + if (msg.rm_xid == xid) + fprintf (stderr, "Broadcast deserialization problem"); + /* otherwise, just random garbage */ #endif - } - xdrs->x_op = XDR_FREE; - msg.acpted_rply.ar_results.proc = xdr_void; - (void)xdr_replymsg(xdrs, &msg); - (void)(*xresults)(xdrs, resultsp); - xdr_destroy(xdrs); - if (done) { - stat = RPC_SUCCESS; - goto done_broad; - } else { - goto recv_again; - } } + xdrs->x_op = XDR_FREE; + msg.acpted_rply.ar_results.proc = (xdrproc_t)xdr_void; + (void) xdr_replymsg (xdrs, &msg); + (void) (*xresults) (xdrs, resultsp); + xdr_destroy (xdrs); + if (done) + { + stat = RPC_SUCCESS; + goto done_broad; + } + else + { + goto recv_again; + } + } done_broad: - (void)close(sock); - AUTH_DESTROY(unix_auth); - return (stat); + (void) close (sock); + AUTH_DESTROY (unix_auth); + return stat; } |