/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1999-2007 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#if defined(LIBC_SCCS) && !defined(lint)
/*static char *sccsid = "from: @(#)clnt_udp.c 1.39 87/08/11 Copyr 1984 Sun Micro";*/
/*static char *sccsid = "from: @(#)clnt_udp.c 2.2 88/08/01 4.0 RPCSRC";*/
-static char *rcsid = "$Id: clnt_udp.c,v 1.2 1999/10/14 21:56:53 wsanchez Exp $";
+static char *rcsid = "$Id: clnt_udp.c,v 1.4 2002/03/15 22:07:49 majka Exp $";
#endif
/*
*/
#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
#include <rpc/rpc.h>
#include <sys/socket.h>
+#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <netdb.h>
#include <errno.h>
#include <rpc/pmap_clnt.h>
+extern int bindresvport();
+extern bool_t xdr_opaque_auth();
+
+extern u_short pmap_getport_timeout(struct sockaddr_in *address, uint32_t program, uint32_t version, uint32_t protocol, struct timeval *timeout, struct timeval *totaltimeout);
+
extern int errno;
/*
bool_t cu_closeit;
struct sockaddr_in cu_raddr;
int cu_rlen;
- struct timeval cu_wait;
- struct timeval cu_total;
+ struct timeval cu_retry_timeout;
+ struct timeval cu_total_timeout;
struct rpc_err cu_error;
XDR cu_outxdrs;
u_int cu_xdrpos;
* sent and received.
*/
CLIENT *
-clntudp_bufcreate(raddr, program, version, wait, sockp, sendsz, recvsz)
- struct sockaddr_in *raddr;
- u_long program;
- u_long version;
- struct timeval wait;
- register int *sockp;
- u_int sendsz;
- u_int recvsz;
+clntudp_bufcreate_timeout(struct sockaddr_in *raddr, uint32_t program, uint32_t version, int *sockp, uint32_t sendsz, uint32_t recvsz, struct timeval *retry_timeout, struct timeval *total_timeout)
{
CLIENT *cl;
- register struct cu_data *cu;
+ struct cu_data *cu = NULL;
struct timeval now;
struct rpc_msg call_msg;
+ int rfd;
+ u_short port;
+ socklen_t len;
+ unsigned int rsize;
cl = (CLIENT *)mem_alloc(sizeof(CLIENT));
- if (cl == NULL) {
- (void) fprintf(stderr, "clntudp_create: out of memory\n");
+ if (cl == NULL)
+ {
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
rpc_createerr.cf_error.re_errno = errno;
goto fooy;
}
+
sendsz = ((sendsz + 3) / 4) * 4;
recvsz = ((recvsz + 3) / 4) * 4;
cu = (struct cu_data *)mem_alloc(sizeof(*cu) + sendsz + recvsz);
- if (cu == NULL) {
- (void) fprintf(stderr, "clntudp_create: out of memory\n");
+ if (cu == NULL)
+ {
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
rpc_createerr.cf_error.re_errno = errno;
goto fooy;
}
+
cu->cu_outbuf = &cu->cu_inbuf[recvsz];
- (void)gettimeofday(&now, (struct timezone *)0);
- if (raddr->sin_port == 0) {
- u_short port;
- if ((port =
- pmap_getport(raddr, program, version, IPPROTO_UDP)) == 0) {
- goto fooy;
- }
+ if (raddr->sin_port == 0)
+ {
+ port = pmap_getport_timeout(raddr, program, version, IPPROTO_UDP, retry_timeout, total_timeout);
+ if (port == 0) goto fooy;
+
raddr->sin_port = htons(port);
}
+
cl->cl_ops = &udp_ops;
cl->cl_private = (caddr_t)cu;
cu->cu_raddr = *raddr;
cu->cu_rlen = sizeof (cu->cu_raddr);
- cu->cu_wait = wait;
- cu->cu_total.tv_sec = -1;
- cu->cu_total.tv_usec = -1;
cu->cu_sendsz = sendsz;
cu->cu_recvsz = recvsz;
- call_msg.rm_xid = getpid() ^ now.tv_sec ^ now.tv_usec;
+
+ cu->cu_retry_timeout.tv_sec = 1;
+ cu->cu_retry_timeout.tv_usec = 0;
+ if (retry_timeout != NULL) cu->cu_retry_timeout = *retry_timeout;
+
+ cu->cu_total_timeout.tv_sec = -1;
+ cu->cu_total_timeout.tv_usec = -1;
+ if (total_timeout != NULL) cu->cu_total_timeout = *total_timeout;
+
+ rfd = open("/dev/random", O_RDONLY, 0);
+ if ((rfd < 0) || (read(rfd, &call_msg.rm_xid, sizeof(call_msg.rm_xid)) != sizeof(call_msg.rm_xid)))
+ {
+ gettimeofday(&now, (struct timezone *)0);
+ call_msg.rm_xid = getpid() ^ now.tv_sec ^ now.tv_usec;
+ }
+
+ if (rfd > 0) close(rfd);
+
call_msg.rm_direction = CALL;
call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
call_msg.rm_call.cb_prog = program;
call_msg.rm_call.cb_vers = version;
- xdrmem_create(&(cu->cu_outxdrs), cu->cu_outbuf,
- sendsz, XDR_ENCODE);
- if (! xdr_callhdr(&(cu->cu_outxdrs), &call_msg)) {
- goto fooy;
- }
+ xdrmem_create(&(cu->cu_outxdrs), cu->cu_outbuf, sendsz, XDR_ENCODE);
+ if (! xdr_callhdr(&(cu->cu_outxdrs), &call_msg)) goto fooy;
+
cu->cu_xdrpos = XDR_GETPOS(&(cu->cu_outxdrs));
- if (*sockp < 0) {
+ if (*sockp < 0)
+ {
int dontblock = 1;
*sockp = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if (*sockp < 0) {
+ if (*sockp < 0)
+ {
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
rpc_createerr.cf_error.re_errno = errno;
goto fooy;
}
+
/* attempt to bind to prov port */
(void)bindresvport(*sockp, (struct sockaddr_in *)0);
- /* the sockets rpc controls are non-blocking */
+
+ /* the socket's rpc controls are non-blocking */
(void)ioctl(*sockp, FIONBIO, (char *) &dontblock);
cu->cu_closeit = TRUE;
- } else {
+
+ /* set receive size */
+ rsize = 0;
+ len = sizeof(rsize);
+ if (getsockopt(*sockp, SOL_SOCKET, SO_RCVBUF, (char *)&rsize, &len) != 0)
+ {
+ close(*sockp);
+ *sockp = -1;
+ goto fooy;
+ }
+
+ len = sizeof(recvsz);
+ if ((recvsz > rsize) && (setsockopt(*sockp, SOL_SOCKET, SO_RCVBUF, (char *)&recvsz, len)))
+ {
+ close(*sockp);
+ *sockp = -1;
+ goto fooy;
+ }
+ }
+ else
+ {
cu->cu_closeit = FALSE;
}
+
cu->cu_sock = *sockp;
cl->cl_auth = authnone_create();
return (cl);
+
fooy:
- if (cu)
- mem_free((caddr_t)cu, sizeof(*cu) + sendsz + recvsz);
- if (cl)
- mem_free((caddr_t)cl, sizeof(CLIENT));
- return ((CLIENT *)NULL);
+ if (cu) mem_free((caddr_t)cu, sizeof(*cu) + sendsz + recvsz);
+ if (cl) mem_free((caddr_t)cl, sizeof(CLIENT));
+ return NULL;
+}
+
+CLIENT *
+clntudp_bufcreate(raddr, program, version, wait, sockp, sendsz, recvsz)
+#ifdef __LP64__
+ struct sockaddr_in *raddr;
+ uint32_t program;
+ uint32_t version;
+ struct timeval wait;
+ int *sockp;
+ uint32_t sendsz;
+ uint32_t recvsz;
+#else
+ struct sockaddr_in *raddr;
+ u_long program;
+ u_long version;
+ struct timeval wait;
+ register int *sockp;
+ u_int sendsz;
+ u_int recvsz;
+#endif
+{
+ return clntudp_bufcreate_timeout(raddr, (uint32_t)program, (uint32_t)version, sockp, (uint32_t)sendsz, (uint32_t)recvsz, &wait, NULL);
}
CLIENT *
clntudp_create(raddr, program, version, wait, sockp)
+#ifdef __LP64__
+ struct sockaddr_in *raddr;
+ uint32_t program;
+ uint32_t version;
+ struct timeval wait;
+ int *sockp;
+#else
struct sockaddr_in *raddr;
u_long program;
u_long version;
struct timeval wait;
register int *sockp;
+#endif
{
- return(clntudp_bufcreate(raddr, program, version, wait, sockp,
- UDPMSGSIZE, UDPMSGSIZE));
+ return clntudp_bufcreate(raddr, program, version, wait, sockp, UDPMSGSIZE, UDPMSGSIZE);
}
static enum clnt_stat
clntudp_call(cl, proc, xargs, argsp, xresults, resultsp, utimeout)
register CLIENT *cl; /* client handle */
+#ifdef __LP64__
+ uint32_t proc; /* procedure number */
+#else
u_long proc; /* procedure number */
+#endif
xdrproc_t xargs; /* xdr routine for args */
caddr_t argsp; /* pointer to args */
xdrproc_t xresults; /* xdr routine for results */
register XDR *xdrs;
register int outlen;
register int inlen;
- int fromlen;
+ u_int32_t fromlen;
fd_set readfds;
fd_set mask;
struct sockaddr_in from;
int nrefreshes = 2; /* number of times to refresh cred */
struct timeval timeout;
- if (cu->cu_total.tv_usec == -1) {
- timeout = utimeout; /* use supplied timeout */
- } else {
- timeout = cu->cu_total; /* use default timeout */
+ if (cu->cu_total_timeout.tv_sec == -1)
+ {
+ /* use supplied total timeout */
+ timeout = utimeout;
+ }
+ else
+ {
+ /* use client's total timeout */
+ timeout = cu->cu_total_timeout;
}
time_waited.tv_sec = 0;
time_waited.tv_usec = 0;
+
call_again:
xdrs = &(cu->cu_outxdrs);
xdrs->x_op = XDR_ENCODE;
XDR_SETPOS(xdrs, cu->cu_xdrpos);
+
/*
* the transaction is the first thing in the out buffer
*/
(*(u_short *)(cu->cu_outbuf))++;
+#ifdef __LP64__
+ if ((! XDR_PUTLONG(xdrs, (int *)&proc)) ||
+ (! AUTH_MARSHALL(cl->cl_auth, xdrs)) ||
+ (! (*xargs)(xdrs, argsp, 0)))
+ return (cu->cu_error.re_status = RPC_CANTENCODEARGS);
+#else
if ((! XDR_PUTLONG(xdrs, (long *)&proc)) ||
(! AUTH_MARSHALL(cl->cl_auth, xdrs)) ||
- (! (*xargs)(xdrs, argsp)))
+ (! (*xargs)(xdrs, argsp, 0)))
return (cu->cu_error.re_status = RPC_CANTENCODEARGS);
+#endif
outlen = (int)XDR_GETPOS(xdrs);
send_again:
- if (sendto(cu->cu_sock, cu->cu_outbuf, outlen, 0,
- (struct sockaddr *)&(cu->cu_raddr), cu->cu_rlen)
- != outlen) {
+ if (sendto(cu->cu_sock, cu->cu_outbuf, outlen, 0, (struct sockaddr *)&(cu->cu_raddr), cu->cu_rlen) != outlen)
+ {
cu->cu_error.re_errno = errno;
return (cu->cu_error.re_status = RPC_CANTSEND);
}
/*
* Hack to provide rpc-based message passing
*/
- if (timeout.tv_sec == 0 && timeout.tv_usec == 0) {
+ if (timeout.tv_sec == 0 && timeout.tv_usec == 0)
+ {
return (cu->cu_error.re_status = RPC_TIMEDOUT);
}
+
/*
* sub-optimal code appears here because we have
* some clock time to spare while the packets are in flight.
reply_msg.acpted_rply.ar_results.proc = xresults;
FD_ZERO(&mask);
FD_SET(cu->cu_sock, &mask);
- for (;;) {
+ for (;;)
+ {
readfds = mask;
- switch (select(cu->cu_sock+1, &readfds, (int *)NULL,
- (int *)NULL, &(cu->cu_wait))) {
-
+ switch (select(cu->cu_sock+1, &readfds, NULL, NULL, &(cu->cu_retry_timeout))) {
case 0:
- time_waited.tv_sec += cu->cu_wait.tv_sec;
- time_waited.tv_usec += cu->cu_wait.tv_usec;
+ time_waited.tv_sec += cu->cu_retry_timeout.tv_sec;
+ time_waited.tv_usec += cu->cu_retry_timeout.tv_usec;
while (time_waited.tv_usec >= 1000000) {
time_waited.tv_sec++;
time_waited.tv_usec -= 1000000;
cu->cu_error.re_errno = errno;
return (cu->cu_error.re_status = RPC_CANTRECV);
}
+#ifdef __LP64__
+ if (inlen < sizeof(uint32_t))
+ continue;
+ /* see if reply transaction id matches sent id */
+ if (*((uint32_t *)(cu->cu_inbuf)) != *((uint32_t *)(cu->cu_outbuf))) continue;
+#else
if (inlen < sizeof(u_long))
- continue;
+ continue;
/* see if reply transaction id matches sent id */
- if (*((u_long *)(cu->cu_inbuf)) != *((u_long *)(cu->cu_outbuf)))
- continue;
+ if (*((u_long *)(cu->cu_inbuf)) != *((u_long *)(cu->cu_outbuf))) continue;
+#endif
/* we now assume we have the proper reply */
break;
}
register XDR *xdrs = &(cu->cu_outxdrs);
xdrs->x_op = XDR_FREE;
- return ((*xdr_res)(xdrs, res_ptr));
+ return ((*xdr_res)(xdrs, res_ptr, 0));
}
static void
switch (request) {
case CLSET_TIMEOUT:
- cu->cu_total = *(struct timeval *)info;
+ cu->cu_total_timeout = *(struct timeval *)info;
break;
case CLGET_TIMEOUT:
- *(struct timeval *)info = cu->cu_total;
+ *(struct timeval *)info = cu->cu_total_timeout;
break;
case CLSET_RETRY_TIMEOUT:
- cu->cu_wait = *(struct timeval *)info;
+ cu->cu_retry_timeout = *(struct timeval *)info;
break;
case CLGET_RETRY_TIMEOUT:
- *(struct timeval *)info = cu->cu_wait;
+ *(struct timeval *)info = cu->cu_retry_timeout;
break;
case CLGET_SERVER_ADDR:
*(struct sockaddr_in *)info = cu->cu_raddr;
projects / apple / libinfo.git / blobdiff