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-rw-r--r--lib/libc/rpc/rpc_soc.c579
1 files changed, 579 insertions, 0 deletions
diff --git a/lib/libc/rpc/rpc_soc.c b/lib/libc/rpc/rpc_soc.c
new file mode 100644
index 0000000..5922063
--- /dev/null
+++ b/lib/libc/rpc/rpc_soc.c
@@ -0,0 +1,579 @@
+/* $NetBSD: rpc_soc.c,v 1.6 2000/07/06 03:10:35 christos Exp $ */
+
+/*
+ * 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
+ */
+
+/* #ident "@(#)rpc_soc.c 1.17 94/04/24 SMI" */
+
+/*
+ * Copyright (c) 1986-1991 by Sun Microsystems Inc.
+ * In addition, portions of such source code were derived from Berkeley
+ * 4.3 BSD under license from the Regents of the University of
+ * California.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)rpc_soc.c 1.41 89/05/02 Copyr 1988 Sun Micro";
+#endif
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#ifdef PORTMAP
+/*
+ * rpc_soc.c
+ *
+ * The backward compatibility routines for the earlier implementation
+ * of RPC, where the only transports supported were tcp/ip and udp/ip.
+ * Based on berkeley socket abstraction, now implemented on the top
+ * of TLI/Streams
+ */
+
+#include "namespace.h"
+#include "reentrant.h"
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_clnt.h>
+#include <rpc/pmap_prot.h>
+#include <rpc/nettype.h>
+#include <syslog.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <errno.h>
+#include <syslog.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "un-namespace.h"
+
+#include "rpc_com.h"
+#include "mt_misc.h"
+
+static CLIENT *clnt_com_create(struct sockaddr_in *, rpcprog_t, rpcvers_t,
+ int *, u_int, u_int, char *);
+static SVCXPRT *svc_com_create(int, u_int, u_int, char *);
+static bool_t rpc_wrap_bcast(char *, struct netbuf *, struct netconfig *);
+
+/* XXX */
+#define IN4_LOCALHOST_STRING "127.0.0.1"
+#define IN6_LOCALHOST_STRING "::1"
+
+/*
+ * A common clnt create routine
+ */
+static CLIENT *
+clnt_com_create(raddr, prog, vers, sockp, sendsz, recvsz, tp)
+ struct sockaddr_in *raddr;
+ rpcprog_t prog;
+ rpcvers_t vers;
+ int *sockp;
+ u_int sendsz;
+ u_int recvsz;
+ char *tp;
+{
+ CLIENT *cl;
+ int madefd = FALSE;
+ int fd = *sockp;
+ struct netconfig *nconf;
+ struct netbuf bindaddr;
+
+ mutex_lock(&rpcsoc_lock);
+ if ((nconf = __rpc_getconfip(tp)) == NULL) {
+ rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
+ mutex_unlock(&rpcsoc_lock);
+ return (NULL);
+ }
+ if (fd == RPC_ANYSOCK) {
+ fd = __rpc_nconf2fd(nconf);
+ if (fd == -1)
+ goto syserror;
+ madefd = TRUE;
+ }
+
+ if (raddr->sin_port == 0) {
+ u_int proto;
+ u_short sport;
+
+ mutex_unlock(&rpcsoc_lock); /* pmap_getport is recursive */
+ proto = strcmp(tp, "udp") == 0 ? IPPROTO_UDP : IPPROTO_TCP;
+ sport = pmap_getport(raddr, (u_long)prog, (u_long)vers,
+ proto);
+ if (sport == 0) {
+ goto err;
+ }
+ raddr->sin_port = htons(sport);
+ mutex_lock(&rpcsoc_lock); /* pmap_getport is recursive */
+ }
+
+ /* Transform sockaddr_in to netbuf */
+ bindaddr.maxlen = bindaddr.len = sizeof (struct sockaddr_in);
+ bindaddr.buf = raddr;
+
+ bindresvport(fd, NULL);
+ cl = clnt_tli_create(fd, nconf, &bindaddr, prog, vers,
+ sendsz, recvsz);
+ if (cl) {
+ if (madefd == TRUE) {
+ /*
+ * The fd should be closed while destroying the handle.
+ */
+ (void) CLNT_CONTROL(cl, CLSET_FD_CLOSE, NULL);
+ *sockp = fd;
+ }
+ (void) freenetconfigent(nconf);
+ mutex_unlock(&rpcsoc_lock);
+ return (cl);
+ }
+ goto err;
+
+syserror:
+ rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+ rpc_createerr.cf_error.re_errno = errno;
+
+err: if (madefd == TRUE)
+ (void)_close(fd);
+ (void) freenetconfigent(nconf);
+ mutex_unlock(&rpcsoc_lock);
+ return (NULL);
+}
+
+CLIENT *
+clntudp_bufcreate(raddr, prog, vers, wait, sockp, sendsz, recvsz)
+ struct sockaddr_in *raddr;
+ u_long prog;
+ u_long vers;
+ struct timeval wait;
+ int *sockp;
+ u_int sendsz;
+ u_int recvsz;
+{
+ CLIENT *cl;
+
+ cl = clnt_com_create(raddr, (rpcprog_t)prog, (rpcvers_t)vers, sockp,
+ sendsz, recvsz, "udp");
+ if (cl == NULL) {
+ return (NULL);
+ }
+ (void) CLNT_CONTROL(cl, CLSET_RETRY_TIMEOUT, &wait);
+ return (cl);
+}
+
+CLIENT *
+clntudp_create(raddr, program, version, wait, sockp)
+ struct sockaddr_in *raddr;
+ u_long program;
+ u_long version;
+ struct timeval wait;
+ int *sockp;
+{
+
+ return clntudp_bufcreate(raddr, program, version, wait, sockp,
+ UDPMSGSIZE, UDPMSGSIZE);
+}
+
+CLIENT *
+clnttcp_create(raddr, prog, vers, sockp, sendsz, recvsz)
+ struct sockaddr_in *raddr;
+ u_long prog;
+ u_long vers;
+ int *sockp;
+ u_int sendsz;
+ u_int recvsz;
+{
+
+ return clnt_com_create(raddr, (rpcprog_t)prog, (rpcvers_t)vers, sockp,
+ sendsz, recvsz, "tcp");
+}
+
+CLIENT *
+clntraw_create(prog, vers)
+ u_long prog;
+ u_long vers;
+{
+
+ return clnt_raw_create((rpcprog_t)prog, (rpcvers_t)vers);
+}
+
+/*
+ * A common server create routine
+ */
+static SVCXPRT *
+svc_com_create(fd, sendsize, recvsize, netid)
+ int fd;
+ u_int sendsize;
+ u_int recvsize;
+ char *netid;
+{
+ struct netconfig *nconf;
+ SVCXPRT *svc;
+ int madefd = FALSE;
+ int port;
+ struct sockaddr_in sin;
+
+ if ((nconf = __rpc_getconfip(netid)) == NULL) {
+ (void) syslog(LOG_ERR, "Could not get %s transport", netid);
+ return (NULL);
+ }
+ if (fd == RPC_ANYSOCK) {
+ fd = __rpc_nconf2fd(nconf);
+ if (fd == -1) {
+ (void) freenetconfigent(nconf);
+ (void) syslog(LOG_ERR,
+ "svc%s_create: could not open connection", netid);
+ return (NULL);
+ }
+ madefd = TRUE;
+ }
+
+ memset(&sin, 0, sizeof sin);
+ sin.sin_family = AF_INET;
+ bindresvport(fd, &sin);
+ _listen(fd, SOMAXCONN);
+ svc = svc_tli_create(fd, nconf, NULL, sendsize, recvsize);
+ (void) freenetconfigent(nconf);
+ if (svc == NULL) {
+ if (madefd)
+ (void)_close(fd);
+ return (NULL);
+ }
+ port = (((struct sockaddr_in *)svc->xp_ltaddr.buf)->sin_port);
+ svc->xp_port = ntohs(port);
+ return (svc);
+}
+
+SVCXPRT *
+svctcp_create(fd, sendsize, recvsize)
+ int fd;
+ u_int sendsize;
+ u_int recvsize;
+{
+
+ return svc_com_create(fd, sendsize, recvsize, "tcp");
+}
+
+SVCXPRT *
+svcudp_bufcreate(fd, sendsz, recvsz)
+ int fd;
+ u_int sendsz, recvsz;
+{
+
+ return svc_com_create(fd, sendsz, recvsz, "udp");
+}
+
+SVCXPRT *
+svcfd_create(fd, sendsize, recvsize)
+ int fd;
+ u_int sendsize;
+ u_int recvsize;
+{
+
+ return svc_fd_create(fd, sendsize, recvsize);
+}
+
+
+SVCXPRT *
+svcudp_create(fd)
+ int fd;
+{
+
+ return svc_com_create(fd, UDPMSGSIZE, UDPMSGSIZE, "udp");
+}
+
+SVCXPRT *
+svcraw_create()
+{
+
+ return svc_raw_create();
+}
+
+int
+get_myaddress(addr)
+ struct sockaddr_in *addr;
+{
+
+ memset((void *) addr, 0, sizeof(*addr));
+ addr->sin_family = AF_INET;
+ addr->sin_port = htons(PMAPPORT);
+ addr->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ return (0);
+}
+
+/*
+ * For connectionless "udp" transport. Obsoleted by rpc_call().
+ */
+int
+callrpc(host, prognum, versnum, procnum, inproc, in, outproc, out)
+ const char *host;
+ int prognum, versnum, procnum;
+ xdrproc_t inproc, outproc;
+ void *in, *out;
+{
+
+ return (int)rpc_call(host, (rpcprog_t)prognum, (rpcvers_t)versnum,
+ (rpcproc_t)procnum, inproc, in, outproc, out, "udp");
+}
+
+/*
+ * For connectionless kind of transport. Obsoleted by rpc_reg()
+ */
+int
+registerrpc(prognum, versnum, procnum, progname, inproc, outproc)
+ int prognum, versnum, procnum;
+ char *(*progname)(char [UDPMSGSIZE]);
+ xdrproc_t inproc, outproc;
+{
+
+ return rpc_reg((rpcprog_t)prognum, (rpcvers_t)versnum,
+ (rpcproc_t)procnum, progname, inproc, outproc, "udp");
+}
+
+/*
+ * All the following clnt_broadcast stuff is convulated; it supports
+ * the earlier calling style of the callback function
+ */
+static thread_key_t clnt_broadcast_key;
+static resultproc_t clnt_broadcast_result_main;
+
+/*
+ * Need to translate the netbuf address into sockaddr_in address.
+ * Dont care about netid here.
+ */
+/* ARGSUSED */
+static bool_t
+rpc_wrap_bcast(resultp, addr, nconf)
+ char *resultp; /* results of the call */
+ struct netbuf *addr; /* address of the guy who responded */
+ struct netconfig *nconf; /* Netconf of the transport */
+{
+ resultproc_t clnt_broadcast_result;
+
+ if (strcmp(nconf->nc_netid, "udp"))
+ return (FALSE);
+ if (thr_main())
+ clnt_broadcast_result = clnt_broadcast_result_main;
+ else
+ clnt_broadcast_result = (resultproc_t)thr_getspecific(clnt_broadcast_key);
+ return (*clnt_broadcast_result)(resultp,
+ (struct sockaddr_in *)addr->buf);
+}
+
+/*
+ * Broadcasts on UDP transport. Obsoleted by rpc_broadcast().
+ */
+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 */
+ void *argsp; /* pointer to args */
+ xdrproc_t xresults; /* xdr routine for results */
+ void *resultsp; /* pointer to results */
+ resultproc_t eachresult; /* call with each result obtained */
+{
+
+ if (thr_main())
+ clnt_broadcast_result_main = eachresult;
+ else {
+ if (clnt_broadcast_key == 0) {
+ mutex_lock(&tsd_lock);
+ if (clnt_broadcast_key == 0)
+ thr_keycreate(&clnt_broadcast_key, free);
+ mutex_unlock(&tsd_lock);
+ }
+ thr_setspecific(clnt_broadcast_key, (void *) eachresult);
+ }
+ return rpc_broadcast((rpcprog_t)prog, (rpcvers_t)vers,
+ (rpcproc_t)proc, xargs, argsp, xresults, resultsp,
+ (resultproc_t) rpc_wrap_bcast, "udp");
+}
+
+/*
+ * Create the client des authentication object. Obsoleted by
+ * authdes_seccreate().
+ */
+AUTH *
+authdes_create(servername, window, syncaddr, ckey)
+ char *servername; /* network name of server */
+ u_int window; /* time to live */
+ struct sockaddr *syncaddr; /* optional hostaddr to sync with */
+ des_block *ckey; /* optional conversation key to use */
+{
+ AUTH *dummy;
+ AUTH *nauth;
+ char hostname[NI_MAXHOST];
+
+ if (syncaddr) {
+ /*
+ * Change addr to hostname, because that is the way
+ * new interface takes it.
+ */
+ if (getnameinfo(syncaddr, syncaddr->sa_len, hostname,
+ sizeof hostname, NULL, 0, 0) != 0)
+ goto fallback;
+
+ nauth = authdes_seccreate(servername, window, hostname, ckey);
+ return (nauth);
+ }
+fallback:
+ dummy = authdes_seccreate(servername, window, NULL, ckey);
+ return (dummy);
+}
+
+/*
+ * Create a client handle for a unix connection. Obsoleted by clnt_vc_create()
+ */
+CLIENT *
+clntunix_create(raddr, prog, vers, sockp, sendsz, recvsz)
+ struct sockaddr_un *raddr;
+ u_long prog;
+ u_long vers;
+ int *sockp;
+ u_int sendsz;
+ u_int recvsz;
+{
+ struct netbuf *svcaddr;
+ struct netconfig *nconf;
+ CLIENT *cl;
+ int len;
+
+ cl = NULL;
+ nconf = NULL;
+ svcaddr = NULL;
+ if ((raddr->sun_len == 0) ||
+ ((svcaddr = malloc(sizeof(struct netbuf))) == NULL ) ||
+ ((svcaddr->buf = malloc(sizeof(struct sockaddr_un))) == NULL)) {
+ if (svcaddr != NULL)
+ free(svcaddr);
+ rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+ rpc_createerr.cf_error.re_errno = errno;
+ return(cl);
+ }
+ if (*sockp < 0) {
+ *sockp = _socket(AF_LOCAL, SOCK_STREAM, 0);
+ len = raddr->sun_len = SUN_LEN(raddr);
+ if ((*sockp < 0) || (_connect(*sockp,
+ (struct sockaddr *)raddr, len) < 0)) {
+ rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+ rpc_createerr.cf_error.re_errno = errno;
+ if (*sockp != -1)
+ (void)_close(*sockp);
+ goto done;
+ }
+ }
+ svcaddr->buf = raddr;
+ svcaddr->len = raddr->sun_len;
+ svcaddr->maxlen = sizeof (struct sockaddr_un);
+ cl = clnt_vc_create(*sockp, svcaddr, prog,
+ vers, sendsz, recvsz);
+done:
+ free(svcaddr->buf);
+ free(svcaddr);
+ return(cl);
+}
+
+/*
+ * Creates, registers, and returns a (rpc) unix based transporter.
+ * Obsoleted by svc_vc_create().
+ */
+SVCXPRT *
+svcunix_create(sock, sendsize, recvsize, path)
+ int sock;
+ u_int sendsize;
+ u_int recvsize;
+ char *path;
+{
+ struct netconfig *nconf;
+ void *localhandle;
+ struct sockaddr_un sun;
+ struct sockaddr *sa;
+ struct t_bind taddr;
+ SVCXPRT *xprt;
+ int addrlen;
+
+ xprt = (SVCXPRT *)NULL;
+ localhandle = setnetconfig();
+ while ((nconf = getnetconfig(localhandle)) != NULL) {
+ if (nconf->nc_protofmly != NULL &&
+ strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0)
+ break;
+ }
+ if (nconf == NULL)
+ return(xprt);
+
+ if ((sock = __rpc_nconf2fd(nconf)) < 0)
+ goto done;
+
+ memset(&sun, 0, sizeof sun);
+ sun.sun_family = AF_LOCAL;
+ if (strlcpy(sun.sun_path, path, sizeof(sun.sun_path)) >=
+ sizeof(sun.sun_path))
+ goto done;
+ sun.sun_len = SUN_LEN(&sun);
+ addrlen = sizeof (struct sockaddr_un);
+ sa = (struct sockaddr *)&sun;
+
+ if (_bind(sock, sa, addrlen) < 0)
+ goto done;
+
+ taddr.addr.len = taddr.addr.maxlen = addrlen;
+ taddr.addr.buf = malloc(addrlen);
+ if (taddr.addr.buf == NULL)
+ goto done;
+ memcpy(taddr.addr.buf, sa, addrlen);
+
+ if (nconf->nc_semantics != NC_TPI_CLTS) {
+ if (_listen(sock, SOMAXCONN) < 0) {
+ free(taddr.addr.buf);
+ goto done;
+ }
+ }
+
+ xprt = (SVCXPRT *)svc_tli_create(sock, nconf, &taddr, sendsize, recvsize);
+
+done:
+ endnetconfig(localhandle);
+ return(xprt);
+}
+
+/*
+ * Like svunix_create(), except the routine takes any *open* UNIX file
+ * descriptor as its first input. Obsoleted by svc_fd_create();
+ */
+SVCXPRT *
+svcunixfd_create(fd, sendsize, recvsize)
+ int fd;
+ u_int sendsize;
+ u_int recvsize;
+{
+ return (svc_fd_create(fd, sendsize, recvsize));
+}
+
+#endif /* PORTMAP */
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