-/* @(#)pmap_rmt.c 2.2 88/08/01 4.0 RPCSRC */
-/*
- * 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
- */
-#if !defined(lint) && defined(SCCSIDS)
-static char sccsid[] = "@(#)pmap_rmt.c 1.21 87/08/27 Copyr 1984 Sun Micro";
-#endif
-
/*
* pmap_rmt.c
* Client interface to pmap rpc service.
* remote call and broadcast service
*
- * Copyright (C) 1984, Sun Microsystems, Inc.
+ * Copyright (c) 2010, Oracle America, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of the "Oracle America, Inc." 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT HOLDER 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.
*/
+#include <unistd.h>
+#include <string.h>
+#include <libintl.h>
#include <rpc/rpc.h>
#include <rpc/pmap_prot.h>
#include <rpc/pmap_clnt.h>
#include <rpc/pmap_rmt.h>
+#include <sys/poll.h>
#include <sys/socket.h>
#include <stdio.h>
#include <errno.h>
#undef _POSIX_SOURCE /* Ultrix <sys/param.h> needs --roland@gnu */
#include <sys/param.h> /* Ultrix needs before net/if --roland@gnu */
#include <net/if.h>
+#include <ifaddrs.h>
#include <sys/ioctl.h>
#include <arpa/inet.h>
#define MAX_BROADCAST_SIZE 1400
-#ifndef errno
-extern int errno;
-#endif
-static struct timeval timeout = { 3, 0 };
+extern u_long _create_xid (void);
+static const struct timeval timeout = {3, 0};
/*
* pmapper remote-call-service interface.
* 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;
}
+libc_hidden_nolink_sunrpc (pmap_rmtcall, GLIBC_2_0)
/*
* written for XDR_ENCODE direction only
*/
bool_t
-xdr_rmtcall_args(xdrs, cap)
- register XDR *xdrs;
- register struct rmtcallargs *cap;
+xdr_rmtcall_args (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)))
+ {
+ u_long dummy_arglen = 0;
+ lenposition = XDR_GETPOS (xdrs);
+ if (!xdr_u_long (xdrs, &dummy_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;
}
+libc_hidden_nolink_sunrpc (xdr_rmtcall_args, GLIBC_2_0)
/*
* XDR remote call results
* 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;
}
+libc_hidden_nolink_sunrpc (xdr_rmtcallres, GLIBC_2_0)
/*
*/
static int
-getbroadcastnets(addrs, sock, buf)
- struct in_addr *addrs;
- int sock; /* any valid socket will do */
- char *buf; /* why allocxate more when we can use existing... */
+internal_function
+getbroadcastnets (struct in_addr *addrs, int naddrs)
{
- struct ifconf ifc;
- struct ifreq ifreq, *ifr;
- struct sockaddr_in *sin;
- int n, i;
+ struct ifaddrs *ifa;
- 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);
-#endif
- }
- }
- return (i);
+ if (getifaddrs (&ifa) != 0)
+ {
+ perror ("broadcast: getifaddrs");
+ return 0;
+ }
+
+ int i = 0;
+ struct ifaddrs *run = ifa;
+ while (run != NULL && i < naddrs)
+ {
+ if ((run->ifa_flags & IFF_BROADCAST) != 0
+ && (run->ifa_flags & IFF_UP) != 0
+ && run->ifa_addr != NULL
+ && run->ifa_addr->sa_family == AF_INET)
+ /* Copy the broadcast address. */
+ addrs[i++] = ((struct sockaddr_in *) run->ifa_broadaddr)->sin_addr;
+
+ run = run->ifa_next;
+ }
+
+ freeifaddrs (ifa);
+
+ 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;
-#ifdef FD_SETSIZE
- fd_set mask;
- fd_set readfds;
-#else
- int readfds;
- register 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;
- char outbuf[MAX_BROADCAST_SIZE], inbuf[UDPMSGSIZE];
+ enum clnt_stat stat = RPC_FAILED;
+ AUTH *unix_auth = authunix_create_default ();
+ XDR xdr_stream;
+ XDR *xdrs = &xdr_stream;
+ struct timeval t;
+ int outlen, inlen, nets;
+ socklen_t fromlen;
+ int sock;
+ int on = 1;
+ struct pollfd fd;
+ int milliseconds;
+ 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;
+ 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);
-#else
- 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;
+ fd.fd = sock;
+ fd.events = POLLIN;
+ nets = getbroadcastnets (addrs, sizeof (addrs) / sizeof (addrs[0]));
+ __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); */
+ msg.rm_xid = xid = _create_xid ();
+ 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;
- switch (select(_rpc_dtablesize(), &readfds, (int *)NULL,
- (int *)NULL, &t)) {
+ 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;
+ milliseconds = t.tv_sec * 1000 + t.tv_usec / 1000;
+ switch (__poll(&fd, 1, milliseconds))
+ {
- 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 poll 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 poll 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 ((size_t) 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 (((u_int32_t) msg.rm_xid == (u_int32_t) 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 ((u_int32_t) msg.rm_xid == (u_int32_t) 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;
}
+libc_hidden_nolink_sunrpc (clnt_broadcast, GLIBC_2_0)
projects / platform / upstream / glibc.git / blobdiff