initial import

1 files changed, 110 insertions, 0 deletions

diff --git a/sunrpc/clnt_gen.c b/sunrpc/clnt_gen.c
new file mode 100644
index 0000000..e54e778
--- /dev/null
+++ b/sunrpc/clnt_gen.c
@@ -0,0 +1,110 @@
+/* @(#)clnt_generic.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[] = "@(#)clnt_generic.c 1.4 87/08/11 (C) 1987 SMI";
+#endif
+/*
+ * Copyright (C) 1987, Sun Microsystems, Inc.
+ */
+#include <rpc/rpc.h>
+#include <sys/socket.h>
+#include <sys/errno.h>
+#include <netdb.h>
+
+/*
+ * Generic client creation: takes (hostname, program-number, protocol) and
+ * returns client handle. Default options are set, which the user can 
+ * change using the rpc equivalent of ioctl()'s.
+ */
+CLIENT *
+clnt_create(hostname, prog, vers, proto)
+	char *hostname;
+	unsigned prog;
+	unsigned vers;
+	char *proto;
+{
+	struct hostent *h;
+	struct protoent *p;
+	struct sockaddr_in sin;
+	int sock;
+	struct timeval tv;
+	CLIENT *client;
+
+	h = gethostbyname(hostname);
+	if (h == NULL) {
+		rpc_createerr.cf_stat = RPC_UNKNOWNHOST;
+		return (NULL);
+	}
+	if (h->h_addrtype != AF_INET) {
+		/*
+		 * Only support INET for now
+		 */
+		rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+		rpc_createerr.cf_error.re_errno = EAFNOSUPPORT; 
+		return (NULL);
+	}
+	sin.sin_family = h->h_addrtype;
+	sin.sin_port = 0;
+	bzero(sin.sin_zero, sizeof(sin.sin_zero));
+	bcopy(h->h_addr, (char*)&sin.sin_addr, h->h_length);
+	p = getprotobyname(proto);
+	if (p == NULL) {
+		rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
+		rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; 
+		return (NULL);
+	}
+	sock = RPC_ANYSOCK;
+	switch (p->p_proto) {
+	case IPPROTO_UDP:
+		tv.tv_sec = 5;
+		tv.tv_usec = 0;
+		client = clntudp_create(&sin, prog, vers, tv, &sock);
+		if (client == NULL) {
+			return (NULL);
+		}
+		tv.tv_sec = 25;
+		clnt_control(client, CLSET_TIMEOUT, &tv);
+		break;
+	case IPPROTO_TCP:
+		client = clnttcp_create(&sin, prog, vers, &sock, 0, 0);
+		if (client == NULL) {
+			return (NULL);
+		}
+		tv.tv_sec = 25;
+		tv.tv_usec = 0;
+		clnt_control(client, CLSET_TIMEOUT, &tv);
+		break;
+	default:
+		rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+		rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; 
+		return (NULL);
+	}
+	return (client);
+}