1 files changed, 144 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/net/rexec.c b/usr/src/lib/libbc/libc/net/rexec.c
new file mode 100644
index 0000000000..8d8c141aca
--- /dev/null
+++ b/usr/src/lib/libbc/libc/net/rexec.c
@@ -0,0 +1,144 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 1989 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+	  /* from UCB 4.8 83/08/18 */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+
+#include <stdio.h>
+#include <netdb.h>
+#include <errno.h>
+
+extern	errno;
+char	*index();
+char	*getpass(), *getlogin();
+#ifndef	S5EMUL
+char	*sprintf();
+#endif
+
+int
+rexec(
+	char **ahost,
+	unsigned short rport,
+	const char *name,
+	const char *pass,
+	const char *cmd,
+	int *fd2p)
+{
+	int s, timo = 1, s3;
+	struct sockaddr_in sin, sin2, from;
+	char c;
+	u_short port;
+	struct hostent *hp;
+
+	hp = gethostbyname(*ahost);
+	if (hp == 0) {
+		fprintf(stderr, "%s: unknown host\n", *ahost);
+		return (-1);
+	}
+	*ahost = hp->h_name;
+	_ruserpass(hp->h_name, &name, &pass);
+retry:
+	s = socket(AF_INET, SOCK_STREAM, 0);
+	if (s < 0) {
+		perror("rexec: socket");
+		return (-1);
+	}
+	sin.sin_family = hp->h_addrtype;
+	sin.sin_port = rport;
+	bcopy(hp->h_addr, (caddr_t)&sin.sin_addr, hp->h_length);
+	if (connect(s, &sin, sizeof(sin)) < 0) {
+		if (errno == ECONNREFUSED && timo <= 16) {
+			(void) close(s);
+			sleep(timo);
+			timo *= 2;
+			goto retry;
+		}
+		perror(hp->h_name);
+		(void) close(s);
+		return (-1);
+	}
+	if (fd2p == 0) {
+		(void) write(s, "", 1);
+		port = 0;
+	} else {
+		char num[8];
+		int s2, sin2len;
+		
+		s2 = socket(AF_INET, SOCK_STREAM, 0);
+		if (s2 < 0) {
+			(void) close(s);
+			return (-1);
+		}
+		listen(s2, 1);
+		sin2len = sizeof (sin2);
+		if (getsockname(s2, (char *)&sin2, &sin2len) < 0 ||
+		  sin2len != sizeof (sin2)) {
+			perror("getsockname");
+			(void) close(s2);
+			goto bad;
+		}
+		port = ntohs((u_short)sin2.sin_port);
+		(void) sprintf(num, "%u", port);
+		(void) write(s, num, strlen(num)+1);
+		{ int len = sizeof (from);
+		  s3 = accept(s2, &from, &len);
+		  close(s2);
+		  if (s3 < 0) {
+			perror("accept");
+			port = 0;
+			goto bad;
+		  }
+		}
+		*fd2p = s3;
+	}
+	(void) write(s, name, strlen(name) + 1);
+	/* should public key encypt the password here */
+	(void) write(s, pass, strlen(pass) + 1);
+	(void) write(s, cmd, strlen(cmd) + 1);
+	if (read(s, &c, 1) != 1) {
+		perror(*ahost);
+		goto bad;
+	}
+	if (c != 0) {
+		while (read(s, &c, 1) == 1) {
+			(void) write(2, &c, 1);
+			if (c == '\n')
+				break;
+		}
+		goto bad;
+	}
+	return (s);
+bad:
+	if (port)
+		(void) close(*fd2p);
+	(void) close(s);
+	return (-1);
+}