Imported Upstream version 1.8.14upstream/1.8.14

10 files changed, 3638 insertions, 0 deletions

diff --git a/src/plugins/lan/Makefile.am b/src/plugins/lan/Makefile.am
new file mode 100644
index 0000000..70e320f
--- /dev/null
+++ b/src/plugins/lan/Makefile.am
@@ -0,0 +1,39 @@
+# Copyright (c) 2003 Sun Microsystems, Inc.  All Rights Reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 
+# Redistribution of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 
+# Redistribution 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 Sun Microsystems, Inc. or the names of
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+# 
+# This software is provided "AS IS," without a warranty of any kind.
+# ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+# INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+# PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
+# SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
+# FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
+# OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.  IN NO EVENT WILL
+# SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
+# OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
+# PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
+# LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
+# EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+MAINTAINERCLEANFILES	= Makefile.in
+
+INCLUDES		= -I$(top_srcdir)/include
+
+EXTRA_LTLIBRARIES	= libintf_lan.la
+noinst_LTLIBRARIES	= @INTF_LAN_LIB@
+libintf_lan_la_LIBADD	= $(top_builddir)/lib/libipmitool.la
+libintf_lan_la_SOURCES	= lan.c lan.h asf.h rmcp.h auth.c auth.h md5.c md5.h
+
diff --git a/src/plugins/lan/Makefile.in b/src/plugins/lan/Makefile.in
new file mode 100644
index 0000000..5674953
--- /dev/null
+++ b/src/plugins/lan/Makefile.in
@@ -0,0 +1,540 @@
+# Makefile.in generated by automake 1.11.3 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# Copyright (c) 2003 Sun Microsystems, Inc.  All Rights Reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 
+# Redistribution of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 
+# Redistribution 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 Sun Microsystems, Inc. or the names of
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+# 
+# This software is provided "AS IS," without a warranty of any kind.
+# ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+# INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+# PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
+# SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
+# FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
+# OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.  IN NO EVENT WILL
+# SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
+# OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
+# PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
+# LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
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+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstLTLIBRARIES ctags distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags uninstall uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/plugins/lan/asf.h b/src/plugins/lan/asf.h
new file mode 100644
index 0000000..ab36d6f
--- /dev/null
+++ b/src/plugins/lan/asf.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 
+ * Redistribution 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 Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind.
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
+ * SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
+ * OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.  IN NO EVENT WILL
+ * SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
+ * OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
+ * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
+ * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
+ * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IPMI_ASF_H
+#define IPMI_ASF_H
+
+#include <ipmitool/helper.h>
+#include "lan.h"
+
+#define ASF_RMCP_IANA		0x000011be
+
+#define ASF_TYPE_PING		0x80
+#define ASF_TYPE_PONG		0x40
+
+static const struct valstr asf_type_vals[] __attribute__((unused)) = {
+	{ 0x10, "Reset" },
+	{ 0x11, "Power-up" },
+	{ 0x12, "Unconditional Power-down" },
+	{ 0x13, "Power Cycle" },
+	{ 0x40, "Presence Pong" },
+	{ 0x41, "Capabilities Response" },
+	{ 0x42, "System State Response" },
+	{ 0x80, "Presence Ping" },
+	{ 0x81, "Capabilities Request" },
+	{ 0x82, "System State Request" },
+	{ 0x00, NULL }
+};
+
+/* ASF message header */
+#ifdef HAVE_PRAGMA_PACK
+#pragma pack(1)
+#endif
+struct asf_hdr {
+	uint32_t	iana;
+	uint8_t		type;
+	uint8_t		tag;
+	uint8_t		__reserved;
+	uint8_t		len;
+} ATTRIBUTE_PACKING;
+#ifdef HAVE_PRAGMA_PACK
+#pragma pack(0)
+#endif
+
+int handle_asf(struct ipmi_intf * intf, uint8_t * data, int data_len);
+
+#endif /* IPMI_ASF_H */
diff --git a/src/plugins/lan/auth.c b/src/plugins/lan/auth.c
new file mode 100644
index 0000000..7410e3c
--- /dev/null
+++ b/src/plugins/lan/auth.c
@@ -0,0 +1,220 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 
+ * Redistribution 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 Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind.
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
+ * SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
+ * OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.  IN NO EVENT WILL
+ * SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
+ * OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
+ * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
+ * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
+ * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <inttypes.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <ipmitool/helper.h>
+#include <ipmitool/bswap.h>
+#include <ipmitool/ipmi.h>
+#include <ipmitool/ipmi_intf.h>
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef HAVE_CRYPTO_MD2
+# include <openssl/md2.h>
+#endif
+
+#ifdef HAVE_CRYPTO_MD5
+# include <openssl/md5.h>
+#else
+# include "md5.h"
+#endif
+
+/*
+ * multi-session authcode generation for MD5
+ * H(password + session_id + msg + session_seq + password)
+ *
+ * Use OpenSSL implementation of MD5 algorithm if found
+ */
+uint8_t * ipmi_auth_md5(struct ipmi_session * s, uint8_t * data, int data_len)
+{
+#ifdef HAVE_CRYPTO_MD5
+	MD5_CTX ctx;
+	static uint8_t md[16];
+	uint32_t temp;
+
+#if WORDS_BIGENDIAN
+	temp = BSWAP_32(s->in_seq);
+#else
+	temp = s->in_seq;
+#endif
+	memset(md, 0, 16);
+	memset(&ctx, 0, sizeof(MD5_CTX));
+
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, (const uint8_t *)s->authcode, 16);
+	MD5_Update(&ctx, (const uint8_t *)&s->session_id, 4);
+	MD5_Update(&ctx, (const uint8_t *)data, data_len);
+	MD5_Update(&ctx, (const uint8_t *)&temp, sizeof(uint32_t));
+	MD5_Update(&ctx, (const uint8_t *)s->authcode, 16);
+	MD5_Final(md, &ctx);
+
+	if (verbose > 3)
+		printf("  MD5 AuthCode    : %s\n", buf2str(md, 16));
+
+	return md;
+#else /*HAVE_CRYPTO_MD5*/
+	md5_state_t state;
+	static md5_byte_t digest[16];
+	uint32_t temp;
+
+	memset(digest, 0, 16);
+	memset(&state, 0, sizeof(md5_state_t));
+
+	md5_init(&state);
+
+	md5_append(&state, (const md5_byte_t *)s->authcode, 16);
+	md5_append(&state, (const md5_byte_t *)&s->session_id, 4);
+	md5_append(&state, (const md5_byte_t *)data, data_len);
+
+#if WORDS_BIGENDIAN
+	temp = BSWAP_32(s->in_seq);
+#else
+	temp = s->in_seq;
+#endif
+	md5_append(&state, (const md5_byte_t *)&temp, 4);
+	md5_append(&state, (const md5_byte_t *)s->authcode, 16);
+
+	md5_finish(&state, digest);
+
+	if (verbose > 3)
+		printf("  MD5 AuthCode    : %s\n", buf2str(digest, 16));
+	return digest;
+#endif /*HAVE_CRYPTO_MD5*/
+}
+
+/* 
+ * multi-session authcode generation for MD2
+ * H(password + session_id + msg + session_seq + password)
+ *
+ * Use OpenSSL implementation of MD2 algorithm if found.
+ * This function is analogous to ipmi_auth_md5
+ */
+uint8_t * ipmi_auth_md2(struct ipmi_session * s, uint8_t * data, int data_len)
+{
+#ifdef HAVE_CRYPTO_MD2
+	MD2_CTX ctx;
+	static uint8_t md[16];
+	uint32_t temp;
+
+#if WORDS_BIGENDIAN
+	temp = BSWAP_32(s->in_seq);
+#else
+	temp = s->in_seq;
+#endif
+	memset(md, 0, 16);
+	memset(&ctx, 0, sizeof(MD2_CTX));
+
+	MD2_Init(&ctx);
+	MD2_Update(&ctx, (const uint8_t *)s->authcode, 16);
+	MD2_Update(&ctx, (const uint8_t *)&s->session_id, 4);
+	MD2_Update(&ctx, (const uint8_t *)data, data_len);
+	MD2_Update(&ctx, (const uint8_t *)&temp, sizeof(uint32_t));
+	MD2_Update(&ctx, (const uint8_t *)s->authcode, 16);
+	MD2_Final(md, &ctx);
+
+	if (verbose > 3)
+		printf("  MD2 AuthCode    : %s\n", buf2str(md, 16));
+
+	return md;
+#else /*HAVE_CRYPTO_MD2*/
+	static uint8_t md[16];
+	memset(md, 0, 16);
+	printf("WARNING: No internal support for MD2!  "
+	       "Please re-compile with OpenSSL.\n");
+	return md;
+#endif /*HAVE_CRYPTO_MD2*/
+}
+
+/* special authentication method */
+uint8_t * ipmi_auth_special(struct ipmi_session * s)
+{
+#ifdef HAVE_CRYPTO_MD5
+	MD5_CTX ctx;
+	static uint8_t md[16];
+	uint8_t challenge[16];
+	int i;
+
+	memset(challenge, 0, 16);
+	memset(md, 0, 16);
+	memset(&ctx, 0, sizeof(MD5_CTX));
+
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, (const uint8_t *)s->authcode, strlen((const char *)s->authcode));
+	MD5_Final(md, &ctx);
+
+	for (i=0; i<16; i++)
+		challenge[i] = s->challenge[i] ^ md[i];
+
+	memset(md, 0, 16);
+	memset(&ctx, 0, sizeof(MD5_CTX));
+
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, (const uint8_t *)challenge, 16);
+	MD5_Final(md, &ctx);
+
+	return md;
+#else  /*HAVE_CRYPTO_MD5*/
+	int i;
+	md5_state_t state;
+	static md5_byte_t digest[16];
+	uint8_t challenge[16];
+
+	memset(challenge, 0, 16);
+	memset(digest, 0, 16);
+	memset(&state, 0, sizeof(md5_state_t));
+
+	md5_init(&state);
+	md5_append(&state, (const md5_byte_t *)s->authcode, strlen(s->authcode));
+	md5_finish(&state, digest);
+
+	for (i=0; i<16; i++)
+		challenge[i] = s->challenge[i] ^ digest[i];
+
+	memset(digest, 0, 16);
+	memset(&state, 0, sizeof(md5_state_t));
+
+	md5_init(&state);
+	md5_append(&state, (const md5_byte_t *)challenge, 16);
+	md5_finish(&state, digest);
+
+	return digest;
+#endif /*HAVE_CRYPTO_MD5*/
+}
+
diff --git a/src/plugins/lan/auth.h b/src/plugins/lan/auth.h
new file mode 100644
index 0000000..b9866ba
--- /dev/null
+++ b/src/plugins/lan/auth.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 
+ * Redistribution 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 Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind.
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
+ * SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
+ * OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.  IN NO EVENT WILL
+ * SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
+ * OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
+ * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
+ * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
+ * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IPMI_AUTH_H
+#define IPMI_AUTH_H
+
+uint8_t * ipmi_auth_md2(struct ipmi_session * s, uint8_t * data, int data_len);
+uint8_t * ipmi_auth_md5(struct ipmi_session * s, uint8_t * data, int data_len);
+uint8_t * ipmi_auth_special(struct ipmi_session * s);
+
+#endif /*IPMI_AUTH_H*/
diff --git a/src/plugins/lan/lan.c b/src/plugins/lan/lan.c
new file mode 100644
index 0000000..fb1a633
--- /dev/null
+++ b/src/plugins/lan/lan.c
@@ -0,0 +1,2112 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 
+ * Redistribution 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 Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind.
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
+ * SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
+ * OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.  IN NO EVENT WILL
+ * SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
+ * OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
+ * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
+ * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
+ * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <inttypes.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <fcntl.h>
+
+#include <ipmitool/helper.h>
+#include <ipmitool/log.h>
+#include <ipmitool/bswap.h>
+#include <ipmitool/ipmi.h>
+#include <ipmitool/ipmi_sel.h>
+#include <ipmitool/ipmi_intf.h>
+#include <ipmitool/ipmi_oem.h>
+#include <ipmitool/ipmi_strings.h>
+#include <ipmitool/ipmi_constants.h>
+#include <ipmitool/hpm2.h>
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "lan.h"
+#include "rmcp.h"
+#include "asf.h"
+#include "auth.h"
+
+#define IPMI_LAN_TIMEOUT	2
+#define IPMI_LAN_RETRY		4
+#define IPMI_LAN_PORT		0x26f
+#define IPMI_LAN_CHANNEL_E	0x0e
+
+/*
+ * LAN interface is required to support 45 byte request transactions and
+ * 42 byte response transactions.
+ */
+#define IPMI_LAN_MAX_REQUEST_SIZE	38	/* 45 - 7 */
+#define IPMI_LAN_MAX_RESPONSE_SIZE	34	/* 42 - 8 */
+
+extern const struct valstr ipmi_privlvl_vals[];
+extern const struct valstr ipmi_authtype_session_vals[];
+extern int verbose;
+
+struct ipmi_rq_entry * ipmi_req_entries;
+static struct ipmi_rq_entry * ipmi_req_entries_tail;
+static uint8_t bridge_possible = 0;
+
+static int ipmi_lan_send_packet(struct ipmi_intf * intf, uint8_t * data, int data_len);
+static struct ipmi_rs * ipmi_lan_recv_packet(struct ipmi_intf * intf);
+static struct ipmi_rs * ipmi_lan_poll_recv(struct ipmi_intf * intf);
+static int ipmi_lan_setup(struct ipmi_intf * intf);
+static int ipmi_lan_keepalive(struct ipmi_intf * intf);
+static struct ipmi_rs * ipmi_lan_recv_sol(struct ipmi_intf * intf);
+static struct ipmi_rs * ipmi_lan_send_sol(struct ipmi_intf * intf,
+					  struct ipmi_v2_payload * payload);
+static struct ipmi_rs * ipmi_lan_send_cmd(struct ipmi_intf * intf, struct ipmi_rq * req);
+static int ipmi_lan_send_rsp(struct ipmi_intf * intf, struct ipmi_rs * rsp);
+static int ipmi_lan_open(struct ipmi_intf * intf);
+static void ipmi_lan_close(struct ipmi_intf * intf);
+static int ipmi_lan_ping(struct ipmi_intf * intf);
+static void ipmi_lan_set_max_rq_data_size(struct ipmi_intf * intf, uint16_t size);
+static void ipmi_lan_set_max_rp_data_size(struct ipmi_intf * intf, uint16_t size);
+
+struct ipmi_intf ipmi_lan_intf = {
+	name:		"lan",
+	desc:		"IPMI v1.5 LAN Interface",
+	setup:		ipmi_lan_setup,
+	open:		ipmi_lan_open,
+	close:		ipmi_lan_close,
+	sendrecv:	ipmi_lan_send_cmd,
+	sendrsp:	ipmi_lan_send_rsp,
+	recv_sol:	ipmi_lan_recv_sol,
+	send_sol:	ipmi_lan_send_sol,
+	keepalive:	ipmi_lan_keepalive,
+	set_max_request_data_size: ipmi_lan_set_max_rq_data_size,
+	set_max_response_data_size: ipmi_lan_set_max_rp_data_size,
+	target_addr:	IPMI_BMC_SLAVE_ADDR,
+};
+
+static struct ipmi_rq_entry *
+ipmi_req_add_entry(struct ipmi_intf * intf, struct ipmi_rq * req, uint8_t req_seq)
+{
+	struct ipmi_rq_entry * e;
+
+	e = malloc(sizeof(struct ipmi_rq_entry));
+	if (e == NULL) {
+		lprintf(LOG_ERR, "ipmitool: malloc failure");
+		return NULL;
+	}
+
+	memset(e, 0, sizeof(struct ipmi_rq_entry));
+	memcpy(&e->req, req, sizeof(struct ipmi_rq));
+
+	e->intf = intf;
+	e->rq_seq = req_seq;
+
+	if (ipmi_req_entries == NULL)
+		ipmi_req_entries = e;
+	else
+		ipmi_req_entries_tail->next = e;
+
+	ipmi_req_entries_tail = e;
+	lprintf(LOG_DEBUG+3, "added list entry seq=0x%02x cmd=0x%02x",
+		e->rq_seq, e->req.msg.cmd);
+	return e;
+}
+
+static struct ipmi_rq_entry *
+ipmi_req_lookup_entry(uint8_t seq, uint8_t cmd)
+{
+	struct ipmi_rq_entry * e = ipmi_req_entries;
+	while (e && (e->rq_seq != seq || e->req.msg.cmd != cmd)) {
+		if (e->next == NULL || e == e->next)
+			return NULL;
+		e = e->next;
+	}
+	return e;
+}
+
+static void
+ipmi_req_remove_entry(uint8_t seq, uint8_t cmd)
+{
+	struct ipmi_rq_entry * p, * e, * saved_next_entry;
+
+	e = p = ipmi_req_entries;
+
+	while (e && (e->rq_seq != seq || e->req.msg.cmd != cmd)) {
+		p = e;
+		e = e->next;
+	}
+	if (e) {
+		lprintf(LOG_DEBUG+3, "removed list entry seq=0x%02x cmd=0x%02x",
+			seq, cmd);
+		saved_next_entry = e->next;
+		p->next = (p->next == e->next) ? NULL : e->next;
+		/* If entry being removed is first in list, fix up list head */
+		if (ipmi_req_entries == e) {
+			if (ipmi_req_entries != p)
+				ipmi_req_entries = p;
+			else
+				ipmi_req_entries = saved_next_entry;
+		}
+		/* If entry being removed is last in list, fix up list tail */
+		if (ipmi_req_entries_tail == e) {
+			if (ipmi_req_entries_tail != p)
+				ipmi_req_entries_tail = p;
+			else
+				ipmi_req_entries_tail = NULL;
+		}
+		if (e->msg_data) {
+			free(e->msg_data);
+			e->msg_data = NULL;
+		}
+		free(e);
+		e = NULL;
+	}
+}
+
+static void
+ipmi_req_clear_entries(void)
+{
+	struct ipmi_rq_entry * p, * e;
+
+	e = ipmi_req_entries;
+	while (e) {
+		lprintf(LOG_DEBUG+3, "cleared list entry seq=0x%02x cmd=0x%02x",
+			e->rq_seq, e->req.msg.cmd);
+		if (e->next != NULL) {
+			p = e->next;
+			free(e);
+			e = p;
+		} else {
+			free(e);
+			e = NULL;
+			break;
+		}
+	}
+	ipmi_req_entries = NULL;
+}
+
+static int
+get_random(void *data, int len)
+{
+	int fd = open("/dev/urandom", O_RDONLY);
+	int rv;
+
+	if (fd < 0)
+		return errno;
+	if (len < 0) {
+		close(fd);
+		return errno; /* XXX: ORLY? */
+	}
+
+	rv = read(fd, data, len);
+
+	close(fd);
+	return rv;
+}
+
+static int
+ipmi_lan_send_packet(struct ipmi_intf * intf, uint8_t * data, int data_len)
+{
+	if (verbose > 2)
+		printbuf(data, data_len, "send_packet");
+
+	return send(intf->fd, data, data_len, 0);
+}
+
+static struct ipmi_rs *
+ipmi_lan_recv_packet(struct ipmi_intf * intf)
+{
+	static struct ipmi_rs rsp;
+	fd_set read_set, err_set;
+	struct timeval tmout;
+	int ret;
+
+	FD_ZERO(&read_set);
+	FD_SET(intf->fd, &read_set);
+
+	FD_ZERO(&err_set);
+	FD_SET(intf->fd, &err_set);
+
+	tmout.tv_sec = intf->session->timeout;
+	tmout.tv_usec = 0;
+
+	ret = select(intf->fd + 1, &read_set, NULL, &err_set, &tmout);
+	if (ret < 0 || FD_ISSET(intf->fd, &err_set) || !FD_ISSET(intf->fd, &read_set))
+		return NULL;
+
+	/* the first read may return ECONNREFUSED because the rmcp ping
+	 * packet--sent to UDP port 623--will be processed by both the
+	 * BMC and the OS.
+	 *
+	 * The problem with this is that the ECONNREFUSED takes
+	 * priority over any other received datagram; that means that
+	 * the Connection Refused shows up _before_ the response packet,
+	 * regardless of the order they were sent out.  (unless the
+	 * response is read before the connection refused is returned)
+	 */
+	ret = recv(intf->fd, &rsp.data, IPMI_BUF_SIZE, 0);
+
+	if (ret < 0) {
+		FD_ZERO(&read_set);
+		FD_SET(intf->fd, &read_set);
+
+		FD_ZERO(&err_set);
+		FD_SET(intf->fd, &err_set);
+
+		tmout.tv_sec = intf->session->timeout;
+		tmout.tv_usec = 0;
+
+		ret = select(intf->fd + 1, &read_set, NULL, &err_set, &tmout);
+		if (ret < 0 || FD_ISSET(intf->fd, &err_set) || !FD_ISSET(intf->fd, &read_set))
+			return NULL;
+
+		ret = recv(intf->fd, &rsp.data, IPMI_BUF_SIZE, 0);
+		if (ret < 0)
+			return NULL;
+	}
+
+	if (ret == 0)
+		return NULL;
+
+	rsp.data[ret] = '\0';
+	rsp.data_len = ret;
+
+	if (verbose > 2)
+		printbuf(rsp.data, rsp.data_len, "recv_packet");
+
+	return &rsp;
+}
+
+/*
+ * parse response RMCP "pong" packet
+ *
+ * return -1 if ping response not received
+ * returns 0 if IPMI is NOT supported
+ * returns 1 if IPMI is supported
+ *
+ * udp.source	= 0x026f	// RMCP_UDP_PORT
+ * udp.dest	= ?		// udp.source from rmcp-ping
+ * udp.len	= ?
+ * udp.check	= ?
+ * rmcp.ver	= 0x06		// RMCP Version 1.0
+ * rmcp.__res	= 0x00		// RESERVED
+ * rmcp.seq	= 0xff		// no RMCP ACK
+ * rmcp.class	= 0x06		// RMCP_CLASS_ASF
+ * asf.iana	= 0x000011be	// ASF_RMCP_IANA
+ * asf.type	= 0x40		// ASF_TYPE_PONG
+ * asf.tag	= ?		// asf.tag from rmcp-ping
+ * asf.__res	= 0x00		// RESERVED
+ * asf.len	= 0x10		// 16 bytes
+ * asf.data[3:0]= 0x000011be	// IANA# = RMCP_ASF_IANA if no OEM
+ * asf.data[7:4]= 0x00000000	// OEM-defined (not for IPMI)
+ * asf.data[8]	= 0x81		// supported entities
+ * 				// [7]=IPMI [6:4]=RES [3:0]=ASF_1.0
+ * asf.data[9]	= 0x00		// supported interactions (reserved)
+ * asf.data[f:a]= 0x000000000000
+ */
+static int
+ipmi_handle_pong(struct ipmi_intf * intf, struct ipmi_rs * rsp)
+{
+	struct rmcp_pong * pong;
+
+	if (rsp == NULL)
+		return -1;
+
+	pong = (struct rmcp_pong *)rsp->data;
+
+	lprintf(LOG_DEBUG,
+		"Received IPMI/RMCP response packet: \n"
+		"  IPMI%s Supported\n"
+		"  ASF Version %s\n"
+		"  RMCP Version %s\n"
+		"  RMCP Sequence %d\n"
+		"  IANA Enterprise %ld\n",
+		(pong->sup_entities & 0x80) ? "" : " NOT",
+		(pong->sup_entities & 0x01) ? "1.0" : "unknown",
+		(pong->rmcp.ver == 6) ? "1.0" : "unknown",
+		pong->rmcp.seq,
+		ntohl(pong->iana));
+
+	return (pong->sup_entities & 0x80) ? 1 : 0;
+}
+
+/* build and send RMCP presence ping packet
+ *
+ * RMCP ping
+ *
+ * udp.source	= ?
+ * udp.dest	= 0x026f	// RMCP_UDP_PORT
+ * udp.len	= ?
+ * udp.check	= ?
+ * rmcp.ver	= 0x06		// RMCP Version 1.0
+ * rmcp.__res	= 0x00		// RESERVED
+ * rmcp.seq	= 0xff		// no RMCP ACK
+ * rmcp.class	= 0x06		// RMCP_CLASS_ASF
+ * asf.iana	= 0x000011be	// ASF_RMCP_IANA
+ * asf.type	= 0x80		// ASF_TYPE_PING
+ * asf.tag	= ?		// ASF sequence number
+ * asf.__res	= 0x00		// RESERVED
+ * asf.len	= 0x00
+ *
+ */
+static int
+ipmi_lan_ping(struct ipmi_intf * intf)
+{
+	struct asf_hdr asf_ping = {
+		.iana	= htonl(ASF_RMCP_IANA),
+		.type	= ASF_TYPE_PING,
+	};
+	struct rmcp_hdr rmcp_ping = {
+		.ver	= RMCP_VERSION_1,
+		.class	= RMCP_CLASS_ASF,
+		.seq	= 0xff,
+	};
+	uint8_t * data;
+	int len = sizeof(rmcp_ping) + sizeof(asf_ping);
+	int rv;
+
+	data = malloc(len);
+	if (data == NULL) {
+		lprintf(LOG_ERR, "ipmitool: malloc failure");
+		return -1;
+	}
+	memset(data, 0, len);
+	memcpy(data, &rmcp_ping, sizeof(rmcp_ping));
+	memcpy(data+sizeof(rmcp_ping), &asf_ping, sizeof(asf_ping));
+
+	lprintf(LOG_DEBUG, "Sending IPMI/RMCP presence ping packet");
+
+	rv = ipmi_lan_send_packet(intf, data, len);
+
+	free(data);
+	data = NULL;
+
+	if (rv < 0) {
+		lprintf(LOG_ERR, "Unable to send IPMI presence ping packet");
+		return -1;
+	}
+
+	if (ipmi_lan_poll_recv(intf) == 0)
+		return 0;
+
+	return 1;
+}
+
+/*
+ * The "thump" functions are used to send an extra packet following each
+ * request message.  This may kick-start some BMCs that get confused with
+ * bad passwords or operate poorly under heavy network load.
+ */
+static void
+ipmi_lan_thump_first(struct ipmi_intf * intf)
+{
+	/* is this random data? */
+	uint8_t data[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				   0x07, 0x20, 0x18, 0xc8, 0xc2, 0x01, 0x01, 0x3c };
+	ipmi_lan_send_packet(intf, data, 16);
+}
+
+static void
+ipmi_lan_thump(struct ipmi_intf * intf)
+{
+	uint8_t data[10] = "thump";
+	ipmi_lan_send_packet(intf, data, 10);
+}
+
+static struct ipmi_rs *
+ipmi_lan_poll_recv(struct ipmi_intf * intf)
+{
+	struct rmcp_hdr rmcp_rsp;
+	struct ipmi_rs * rsp;
+	struct ipmi_rq_entry * entry;
+	int x=0, rv;
+	uint8_t our_address = intf->my_addr;
+
+	if (our_address == 0)
+		our_address = IPMI_BMC_SLAVE_ADDR;
+
+	rsp = ipmi_lan_recv_packet(intf);
+
+	while (rsp != NULL) {
+
+		/* parse response headers */
+		memcpy(&rmcp_rsp, rsp->data, 4);
+
+		switch (rmcp_rsp.class) {
+		case RMCP_CLASS_ASF:
+			/* ping response packet */
+			rv = ipmi_handle_pong(intf, rsp);
+			return (rv <= 0) ? NULL : rsp;
+		case RMCP_CLASS_IPMI:
+			/* handled by rest of function */
+			break;
+		default:
+			lprintf(LOG_DEBUG, "Invalid RMCP class: %x",
+				rmcp_rsp.class);
+			rsp = ipmi_lan_recv_packet(intf);
+			continue;
+		}
+
+		x = 4;
+		rsp->session.authtype = rsp->data[x++];
+		memcpy(&rsp->session.seq, rsp->data+x, 4);
+		x += 4;
+		memcpy(&rsp->session.id, rsp->data+x, 4);
+		x += 4;
+
+		if (rsp->session.id == (intf->session->session_id + 0x10000000)) {
+			/* With SOL, authtype is always NONE, so we have no authcode */
+			rsp->session.payloadtype = IPMI_PAYLOAD_TYPE_SOL;
+	
+			rsp->session.msglen = rsp->data[x++];
+			
+			rsp->payload.sol_packet.packet_sequence_number =
+				rsp->data[x++] & 0x0F;
+
+			rsp->payload.sol_packet.acked_packet_number =
+				rsp->data[x++] & 0x0F;
+
+			rsp->payload.sol_packet.accepted_character_count =
+				rsp->data[x++];
+
+			rsp->payload.sol_packet.is_nack =
+				rsp->data[x] & 0x40;
+
+			rsp->payload.sol_packet.transfer_unavailable =
+				rsp->data[x] & 0x20;
+
+			rsp->payload.sol_packet.sol_inactive = 
+				rsp->data[x] & 0x10;
+
+			rsp->payload.sol_packet.transmit_overrun =
+				rsp->data[x] & 0x08;
+	
+			rsp->payload.sol_packet.break_detected =
+				rsp->data[x++] & 0x04;
+
+			x++; /* On ISOL there's and additional fifth byte before the data starts */
+	
+			lprintf(LOG_DEBUG, "SOL sequence number     : 0x%02x",
+				rsp->payload.sol_packet.packet_sequence_number);
+
+			lprintf(LOG_DEBUG, "SOL acked packet        : 0x%02x",
+				rsp->payload.sol_packet.acked_packet_number);
+			
+			lprintf(LOG_DEBUG, "SOL accepted char count : 0x%02x",
+				rsp->payload.sol_packet.accepted_character_count);
+			
+			lprintf(LOG_DEBUG, "SOL is nack             : %s",
+				rsp->payload.sol_packet.is_nack? "true" : "false");
+			
+			lprintf(LOG_DEBUG, "SOL xfer unavailable    : %s",
+				rsp->payload.sol_packet.transfer_unavailable? "true" : "false");
+			
+			lprintf(LOG_DEBUG, "SOL inactive            : %s",
+				rsp->payload.sol_packet.sol_inactive? "true" : "false");
+			
+			lprintf(LOG_DEBUG, "SOL transmit overrun    : %s",
+				rsp->payload.sol_packet.transmit_overrun? "true" : "false");
+			
+			lprintf(LOG_DEBUG, "SOL break detected      : %s",
+				rsp->payload.sol_packet.break_detected? "true" : "false");
+		}
+		else
+		{
+			/* Standard IPMI 1.5 packet */
+			rsp->session.payloadtype = IPMI_PAYLOAD_TYPE_IPMI;
+			if (intf->session->active && (rsp->session.authtype || intf->session->authtype))
+				x += 16;
+
+			rsp->session.msglen = rsp->data[x++];
+			rsp->payload.ipmi_response.rq_addr = rsp->data[x++];
+			rsp->payload.ipmi_response.netfn   = rsp->data[x] >> 2;
+			rsp->payload.ipmi_response.rq_lun  = rsp->data[x++] & 0x3;
+			x++;		/* checksum */
+			rsp->payload.ipmi_response.rs_addr = rsp->data[x++];
+			rsp->payload.ipmi_response.rq_seq  = rsp->data[x] >> 2;
+			rsp->payload.ipmi_response.rs_lun  = rsp->data[x++] & 0x3;
+			rsp->payload.ipmi_response.cmd     = rsp->data[x++];
+			rsp->ccode          = rsp->data[x++];
+			
+			if (verbose > 2)
+				printbuf(rsp->data, rsp->data_len, "ipmi message header");
+			
+			lprintf(LOG_DEBUG+1, "<< IPMI Response Session Header");
+			lprintf(LOG_DEBUG+1, "<<   Authtype   : %s",
+				val2str(rsp->session.authtype, ipmi_authtype_session_vals));
+			lprintf(LOG_DEBUG+1, "<<   Sequence   : 0x%08lx",
+				(long)rsp->session.seq);
+			lprintf(LOG_DEBUG+1, "<<   Session ID : 0x%08lx",
+				(long)rsp->session.id);
+			lprintf(LOG_DEBUG+1, "<< IPMI Response Message Header");
+			lprintf(LOG_DEBUG+1, "<<   Rq Addr    : %02x",
+				rsp->payload.ipmi_response.rq_addr);
+			lprintf(LOG_DEBUG+1, "<<   NetFn      : %02x",
+				rsp->payload.ipmi_response.netfn);
+			lprintf(LOG_DEBUG+1, "<<   Rq LUN     : %01x",
+				rsp->payload.ipmi_response.rq_lun);
+			lprintf(LOG_DEBUG+1, "<<   Rs Addr    : %02x",
+				rsp->payload.ipmi_response.rs_addr);
+			lprintf(LOG_DEBUG+1, "<<   Rq Seq     : %02x",
+				rsp->payload.ipmi_response.rq_seq);
+			lprintf(LOG_DEBUG+1, "<<   Rs Lun     : %01x",
+				rsp->payload.ipmi_response.rs_lun);
+			lprintf(LOG_DEBUG+1, "<<   Command    : %02x",
+				rsp->payload.ipmi_response.cmd);
+			lprintf(LOG_DEBUG+1, "<<   Compl Code : 0x%02x",
+				rsp->ccode);
+			
+			/* now see if we have outstanding entry in request list */
+			entry = ipmi_req_lookup_entry(rsp->payload.ipmi_response.rq_seq,
+						      rsp->payload.ipmi_response.cmd);
+			if (entry) {
+				lprintf(LOG_DEBUG+2, "IPMI Request Match found");
+				if ((intf->target_addr != our_address) && bridge_possible) {
+					if ((rsp->data_len) && (rsp->payload.ipmi_response.netfn == 7) &&
+					    (rsp->payload.ipmi_response.cmd != 0x34)) {
+						if (verbose > 2)
+							printbuf(&rsp->data[x], rsp->data_len-x,
+								 "bridge command response");
+					}
+					/* bridged command: lose extra header */
+					if (entry->bridging_level &&
+					    rsp->payload.ipmi_response.netfn == 7 &&
+					    rsp->payload.ipmi_response.cmd == 0x34) {
+						entry->bridging_level--;
+						if (rsp->data_len - x - 1 == 0) {
+							rsp = !rsp->ccode ? ipmi_lan_recv_packet(intf) : NULL;
+							if (!entry->bridging_level)
+								entry->req.msg.cmd = entry->req.msg.target_cmd;
+							if (rsp == NULL) {
+								ipmi_req_remove_entry(entry->rq_seq, entry->req.msg.cmd);
+							}
+							continue;
+						} else {
+							/* The bridged answer data are inside the incoming packet */
+							memmove(rsp->data + x - 7,
+								rsp->data + x, 
+								rsp->data_len - x - 1);
+							rsp->data[x - 8] -= 8;
+							rsp->data_len -= 8;
+							entry->rq_seq = rsp->data[x - 3] >> 2;
+							if (!entry->bridging_level)
+								entry->req.msg.cmd = entry->req.msg.target_cmd;
+							continue;
+						}
+					} else {
+						//x += sizeof(rsp->payload.ipmi_response);
+						if (rsp->data[x-1] != 0)
+							lprintf(LOG_DEBUG, "WARNING: Bridged "
+								"cmd ccode = 0x%02x",
+								rsp->data[x-1]);
+					}
+				}
+				ipmi_req_remove_entry(rsp->payload.ipmi_response.rq_seq,
+						      rsp->payload.ipmi_response.cmd);
+			} else {
+				lprintf(LOG_INFO, "IPMI Request Match NOT FOUND");
+				rsp = ipmi_lan_recv_packet(intf);
+				continue;
+			}
+		}
+
+		break;
+	}
+
+	/* shift response data to start of array */
+	if (rsp && rsp->data_len > x) {
+		rsp->data_len -= x;
+		if (rsp->session.payloadtype == IPMI_PAYLOAD_TYPE_IPMI)
+			rsp->data_len -= 1; /* We don't want the checksum */
+		memmove(rsp->data, rsp->data + x, rsp->data_len);
+		memset(rsp->data + rsp->data_len, 0, IPMI_BUF_SIZE - rsp->data_len);
+	}
+
+	return rsp;
+}
+
+/*
+ * IPMI LAN Request Message Format
+ * +--------------------+
+ * |  rmcp.ver          | 4 bytes
+ * |  rmcp.__reserved   |
+ * |  rmcp.seq          |
+ * |  rmcp.class        |
+ * +--------------------+
+ * |  session.authtype  | 9 bytes
+ * |  session.seq       |
+ * |  session.id        |
+ * +--------------------+
+ * | [session.authcode] | 16 bytes (AUTHTYPE != none)
+ * +--------------------+
+ * |  message length    | 1 byte
+ * +--------------------+
+ * |  message.rs_addr   | 6 bytes
+ * |  message.netfn_lun |
+ * |  message.checksum  |
+ * |  message.rq_addr   |
+ * |  message.rq_seq    |
+ * |  message.cmd       |
+ * +--------------------+
+ * | [request data]     | data_len bytes
+ * +--------------------+
+ * |  checksum          | 1 byte
+ * +--------------------+
+ */
+static struct ipmi_rq_entry *
+ipmi_lan_build_cmd(struct ipmi_intf * intf, struct ipmi_rq * req, int isRetry)
+{
+	struct rmcp_hdr rmcp = {
+		.ver		= RMCP_VERSION_1,
+		.class		= RMCP_CLASS_IPMI,
+		.seq		= 0xff,
+	};
+	uint8_t * msg, * temp;
+	int cs, mp, tmp;
+	int ap = 0;
+	int len = 0;
+	int cs2 = 0, cs3 = 0;
+	struct ipmi_rq_entry * entry;
+	struct ipmi_session * s = intf->session;
+	static int curr_seq = 0;
+	uint8_t our_address = intf->my_addr;
+
+	if (our_address == 0)
+		our_address = IPMI_BMC_SLAVE_ADDR;
+
+	if (isRetry == 0)
+		curr_seq++;
+
+	if (curr_seq >= 64)
+		curr_seq = 0;
+
+	// Bug in the existing code where it keeps on adding same command/seq pair 
+	// in the lookup entry list.
+	// Check if we have cmd,seq pair already in our list. As we are not changing 
+	// the seq number we have to re-use the node which has existing
+	// command and sequence number. If we add then we will have redundant node with
+	// same cmd,seq pair
+	entry = ipmi_req_lookup_entry(curr_seq, req->msg.cmd);
+	if (entry)
+	{
+		// This indicates that we have already same command and seq in list
+		// No need to add once again and we will re-use the existing node.
+		// Only thing we have to do is clear the msg_data as we create
+		// a new one below in the code for it.
+		if (entry->msg_data) {
+			free(entry->msg_data);
+			entry->msg_data = NULL;
+		}
+	}
+	else
+	{
+		// We dont have this request in the list so we can add it 
+		// to the list
+		entry = ipmi_req_add_entry(intf, req, curr_seq);
+		if (entry == NULL)
+			return NULL;
+	}
+ 
+	len = req->msg.data_len + 29;
+	if (s->active && s->authtype)
+		len += 16;
+	if (intf->transit_addr != intf->my_addr && intf->transit_addr != 0)
+		len += 8;
+	msg = malloc(len);
+	if (msg == NULL) {
+		lprintf(LOG_ERR, "ipmitool: malloc failure");
+		return NULL;
+	}
+	memset(msg, 0, len);
+
+	/* rmcp header */
+	memcpy(msg, &rmcp, sizeof(rmcp));
+	len = sizeof(rmcp);
+
+	/* ipmi session header */
+	msg[len++] = s->active ? s->authtype : 0;
+
+	msg[len++] = s->in_seq & 0xff;
+	msg[len++] = (s->in_seq >> 8) & 0xff;
+	msg[len++] = (s->in_seq >> 16) & 0xff;
+	msg[len++] = (s->in_seq >> 24) & 0xff;
+	memcpy(msg+len, &s->session_id, 4);
+	len += 4;
+
+	/* ipmi session authcode */
+	if (s->active && s->authtype) {
+		ap = len;
+		memcpy(msg+len, s->authcode, 16);
+		len += 16;
+	}
+
+	/* message length */
+	if ((intf->target_addr == our_address) || !bridge_possible) {
+		entry->bridging_level = 0;
+		msg[len++] = req->msg.data_len + 7;
+		cs = mp = len;
+	} else {
+		/* bridged request: encapsulate w/in Send Message */
+		entry->bridging_level = 1;
+		msg[len++] = req->msg.data_len + 15 +
+		  (intf->transit_addr != intf->my_addr && intf->transit_addr != 0 ? 8 : 0);
+		cs = mp = len;
+		msg[len++] = IPMI_BMC_SLAVE_ADDR;
+		msg[len++] = IPMI_NETFN_APP << 2;
+		tmp = len - cs;
+		msg[len++] = ipmi_csum(msg+cs, tmp);
+		cs2 = len;
+		msg[len++] = IPMI_REMOTE_SWID;
+		msg[len++] = curr_seq << 2;
+		msg[len++] = 0x34;			/* Send Message rqst */
+		entry->req.msg.target_cmd = entry->req.msg.cmd;	/* Save target command */
+		entry->req.msg.cmd = 0x34;		/* (fixup request entry) */
+
+		if (intf->transit_addr == intf->my_addr || intf->transit_addr == 0) {
+		        msg[len++] = (0x40|intf->target_channel); /* Track request*/
+		} else {
+		        entry->bridging_level++;
+               		msg[len++] = (0x40|intf->transit_channel); /* Track request*/
+			cs = len;
+			msg[len++] = intf->transit_addr;
+			msg[len++] = IPMI_NETFN_APP << 2;
+			tmp = len - cs;
+			msg[len++] = ipmi_csum(msg+cs, tmp);
+			cs3 = len;
+			msg[len++] = intf->my_addr;
+			msg[len++] = curr_seq << 2;
+			msg[len++] = 0x34;			/* Send Message rqst */
+			msg[len++] = (0x40|intf->target_channel); /* Track request */
+		}
+		cs = len;
+	}
+
+	/* ipmi message header */
+	msg[len++] = intf->target_addr;
+	msg[len++] = req->msg.netfn << 2 | (req->msg.lun & 3);
+	tmp = len - cs;
+	msg[len++] = ipmi_csum(msg+cs, tmp);
+	cs = len;
+
+	if (!entry->bridging_level)
+		msg[len++] = IPMI_REMOTE_SWID;
+   /* Bridged message */ 
+	else if (entry->bridging_level) 
+		msg[len++] = intf->my_addr;
+   
+	entry->rq_seq = curr_seq;
+	msg[len++] = entry->rq_seq << 2;
+	msg[len++] = req->msg.cmd;
+
+	lprintf(LOG_DEBUG+1, ">> IPMI Request Session Header (level %d)", entry->bridging_level);
+	lprintf(LOG_DEBUG+1, ">>   Authtype   : %s",
+	       val2str(s->authtype, ipmi_authtype_session_vals));
+	lprintf(LOG_DEBUG+1, ">>   Sequence   : 0x%08lx", (long)s->in_seq);
+	lprintf(LOG_DEBUG+1, ">>   Session ID : 0x%08lx", (long)s->session_id);
+	lprintf(LOG_DEBUG+1, ">> IPMI Request Message Header");
+	lprintf(LOG_DEBUG+1, ">>   Rs Addr    : %02x", intf->target_addr);
+	lprintf(LOG_DEBUG+1, ">>   NetFn      : %02x", req->msg.netfn);
+	lprintf(LOG_DEBUG+1, ">>   Rs LUN     : %01x", 0);
+	lprintf(LOG_DEBUG+1, ">>   Rq Addr    : %02x", IPMI_REMOTE_SWID);
+	lprintf(LOG_DEBUG+1, ">>   Rq Seq     : %02x", entry->rq_seq);
+	lprintf(LOG_DEBUG+1, ">>   Rq Lun     : %01x", 0);
+	lprintf(LOG_DEBUG+1, ">>   Command    : %02x", req->msg.cmd);
+
+	/* message data */
+	if (req->msg.data_len) {
+ 		memcpy(msg+len, req->msg.data, req->msg.data_len);
+		len += req->msg.data_len;
+	}
+
+	/* second checksum */
+	tmp = len - cs;
+	msg[len++] = ipmi_csum(msg+cs, tmp);
+
+	/* bridged request: 2nd checksum */
+	if (entry->bridging_level) {
+		if (intf->transit_addr != intf->my_addr && intf->transit_addr != 0) {
+			tmp = len - cs3;
+			msg[len++] = ipmi_csum(msg+cs3, tmp);
+		}
+		tmp = len - cs2;
+		msg[len++] = ipmi_csum(msg+cs2, tmp);
+	}
+
+	if (s->active) {
+		/*
+		 * s->authcode is already copied to msg+ap but some
+		 * authtypes require portions of the ipmi message to
+		 * create the authcode so they must be done last.
+		 */
+		switch (s->authtype) {
+		case IPMI_SESSION_AUTHTYPE_MD5:
+			temp = ipmi_auth_md5(s, msg+mp, msg[mp-1]);
+			memcpy(msg+ap, temp, 16);
+			break;
+		case IPMI_SESSION_AUTHTYPE_MD2:
+			temp = ipmi_auth_md2(s, msg+mp, msg[mp-1]);
+			memcpy(msg+ap, temp, 16);
+			break;
+		}
+	}
+
+	if (s->in_seq) {
+		s->in_seq++;
+		if (s->in_seq == 0)
+			s->in_seq++;
+	}
+
+	entry->msg_len = len;
+	entry->msg_data = msg;
+
+	return entry;
+}
+
+static struct ipmi_rs *
+ipmi_lan_send_cmd(struct ipmi_intf * intf, struct ipmi_rq * req)
+{
+	struct ipmi_rq_entry * entry;
+	struct ipmi_rs * rsp = NULL;
+	int try = 0;
+	int isRetry = 0;
+
+	lprintf(LOG_DEBUG, "ipmi_lan_send_cmd:opened=[%d], open=[%d]",
+		intf->opened, intf->open);
+
+	if (intf->opened == 0 && intf->open != NULL) {
+		if (intf->open(intf) < 0) {
+			lprintf(LOG_DEBUG, "Failed to open LAN interface");
+			return NULL;
+		}
+		lprintf(LOG_DEBUG, "\topened=[%d], open=[%d]",
+			intf->opened, intf->open);
+	}
+
+	for (;;) {
+		isRetry = ( try > 0 ) ? 1 : 0;
+
+		entry = ipmi_lan_build_cmd(intf, req, isRetry);
+		if (entry == NULL) {
+			lprintf(LOG_ERR, "Aborting send command, unable to build");
+			return NULL;
+		}
+
+		if (ipmi_lan_send_packet(intf, entry->msg_data, entry->msg_len) < 0) {
+			try++;
+			usleep(5000);
+			ipmi_req_remove_entry(entry->rq_seq, entry->req.msg.target_cmd);	
+			continue;
+		}
+
+		/* if we are set to noanswer we do not expect response */
+		if (intf->noanswer)
+			break;
+
+		if (ipmi_oem_active(intf, "intelwv2"))
+			ipmi_lan_thump(intf);
+
+		usleep(100);
+
+		rsp = ipmi_lan_poll_recv(intf);
+
+		/* Duplicate Request ccode most likely indicates a response to
+		   a previous retry. Ignore and keep polling. */
+		if((rsp != NULL) && (rsp->ccode == 0xcf)) {
+			rsp = NULL;
+			rsp = ipmi_lan_poll_recv(intf);
+		}
+		
+		if (rsp)
+			break;
+
+		usleep(5000);
+		if (++try >= intf->session->retry) {
+			lprintf(LOG_DEBUG, "  No response from remote controller");
+			break;
+		}
+	}
+
+	// We need to cleanup the existing entries from the list. Because if we 
+	// keep it and then when we send the new command and if the response is for
+	// old command it still matches it and then returns success.
+	// This is the corner case where the remote controller responds very slowly.
+	//
+	// Example: We have to send command 23 and 2d.
+	// If we send command,seq as 23,10 and if we dont get any response it will 
+	// retry 4 times with 23,10 and then come out here and indicate that there is no
+	// reponse from the remote controller and will send the next command for 
+	// ie 2d,11. And if the BMC is slow to respond and returns 23,10 then it 
+	// will match it in the list and will take response of command 23 as response 
+	// for command 2d and return success. So ideally when retries are done and 
+	// are out of this function we should be clearing the list to be safe so that
+	// we dont match the old response with new request.
+	//          [23, 10] --> BMC
+	//          [23, 10] --> BMC
+	//          [23, 10] --> BMC
+	//          [23, 10] --> BMC
+	//          [2D, 11] --> BMC
+	//                   <-- [23, 10]
+	//  here if we maintain 23,10 in the list then it will get matched and consider
+	//  23 response as response for 2D.   
+	ipmi_req_clear_entries();
+ 
+	return rsp;
+}
+
+static uint8_t *
+ipmi_lan_build_rsp(struct ipmi_intf * intf, struct ipmi_rs * rsp, int * llen)
+{
+	struct rmcp_hdr rmcp = {
+		.ver	= RMCP_VERSION_1,
+		.class	= RMCP_CLASS_IPMI,
+		.seq	= 0xff,
+	};
+	struct ipmi_session * s = intf->session;
+	int cs, mp, ap = 0, tmp;
+	int len;
+	uint8_t * msg;
+
+	len = rsp->data_len + 22;
+	if (s->active)
+		len += 16;
+
+	msg = malloc(len);
+	if (msg == NULL) {
+		lprintf(LOG_ERR, "ipmitool: malloc failure");
+		return NULL;
+	}
+	memset(msg, 0, len);
+
+	/* rmcp header */
+	memcpy(msg, &rmcp, 4);
+	len = sizeof(rmcp);
+
+	/* ipmi session header */
+	msg[len++] = s->active ? s->authtype : 0;
+
+	if (s->in_seq) {
+		s->in_seq++;
+		if (s->in_seq == 0)
+			s->in_seq++;
+	}
+	memcpy(msg+len, &s->in_seq, 4);
+	len += 4;
+	memcpy(msg+len, &s->session_id, 4);
+	len += 4;
+
+	/* session authcode, if session active and authtype is not none */
+	if (s->active && s->authtype) {
+		ap = len;
+		memcpy(msg+len, s->authcode, 16);
+		len += 16;
+	}
+
+	/* message length */
+	msg[len++] = rsp->data_len + 8;
+
+	/* message header */
+	cs = mp = len;
+	msg[len++] = IPMI_REMOTE_SWID;
+	msg[len++] = rsp->msg.netfn << 2;
+	tmp = len - cs;
+	msg[len++] = ipmi_csum(msg+cs, tmp);
+	cs = len;
+	msg[len++] = IPMI_BMC_SLAVE_ADDR;
+	msg[len++] = (rsp->msg.seq << 2) | (rsp->msg.lun & 3);
+	msg[len++] = rsp->msg.cmd;
+
+	/* completion code */
+	msg[len++] = rsp->ccode;
+
+	/* message data */
+	if (rsp->data_len) {
+		memcpy(msg+len, rsp->data, rsp->data_len);
+		len += rsp->data_len;
+	}
+
+	/* second checksum */
+	tmp = len - cs;
+	msg[len++] = ipmi_csum(msg+cs, tmp);
+
+	if (s->active) {
+		uint8_t * d;
+		switch (s->authtype) {
+		case IPMI_SESSION_AUTHTYPE_MD5:
+			d = ipmi_auth_md5(s, msg+mp, msg[mp-1]);
+			memcpy(msg+ap, d, 16);
+			break;
+		case IPMI_SESSION_AUTHTYPE_MD2:
+			d = ipmi_auth_md2(s, msg+mp, msg[mp-1]);
+			memcpy(msg+ap, d, 16);
+			break;
+		}
+	}
+
+	*llen = len;
+	return msg;
+}
+
+static int
+ipmi_lan_send_rsp(struct ipmi_intf * intf, struct ipmi_rs * rsp)
+{
+	uint8_t * msg;
+	int len = 0;
+	int rv;
+
+	msg = ipmi_lan_build_rsp(intf, rsp, &len);
+	if (len <= 0 || msg == NULL) {
+		lprintf(LOG_ERR, "Invalid response packet");
+		if (msg != NULL) {
+			free(msg);
+			msg = NULL;
+		}
+		return -1;
+	}
+
+	rv = sendto(intf->fd, msg, len, 0,
+		    (struct sockaddr *)&intf->session->addr,
+		    intf->session->addrlen);
+	if (rv < 0) {
+		lprintf(LOG_ERR, "Packet send failed");
+		if (msg != NULL) {
+			free(msg);
+			msg = NULL;
+		}
+		return -1;
+	}
+
+	if (msg != NULL) {
+		free(msg);
+		msg = NULL;
+	}
+	return 0;
+}
+
+/*
+ * IPMI SOL Payload Format
+ * +--------------------+
+ * |  rmcp.ver          | 4 bytes
+ * |  rmcp.__reserved   |
+ * |  rmcp.seq          |
+ * |  rmcp.class        |
+ * +--------------------+
+ * |  session.authtype  | 9 bytes
+ * |  session.seq       |
+ * |  session.id        |
+ * +--------------------+
+ * |  message length    | 1 byte
+ * +--------------------+
+ * |  sol.seq           | 5 bytes
+ * |  sol.ack_seq       |
+ * |  sol.acc_count     |
+ * |  sol.control       |
+ * |  sol.__reserved    |
+ * +--------------------+
+ * | [request data]     | data_len bytes
+ * +--------------------+
+ */
+uint8_t * ipmi_lan_build_sol_msg(struct ipmi_intf * intf,
+				 struct ipmi_v2_payload * payload,
+				 int * llen)
+{
+	struct rmcp_hdr rmcp = {
+		.ver		= RMCP_VERSION_1,
+		.class		= RMCP_CLASS_IPMI,
+		.seq		= 0xff,
+	};
+	struct ipmi_session * session = intf->session;
+
+	/* msg will hold the entire message to be sent */
+	uint8_t * msg;
+
+	int len = 0;
+
+	len =	sizeof(rmcp)                                 +  // RMCP Header (4)
+		10                                           +  // IPMI Session Header
+		5                                            +  // SOL header
+		payload->payload.sol_packet.character_count;    // The actual payload
+
+	msg = malloc(len);
+	if (msg == NULL) {
+		lprintf(LOG_ERR, "ipmitool: malloc failure");
+		return NULL;
+	}
+	memset(msg, 0, len);
+
+	/* rmcp header */
+	memcpy(msg, &rmcp, sizeof(rmcp));
+	len = sizeof(rmcp);
+
+	/* ipmi session header */
+	msg[len++] = 0; /* SOL is always authtype = NONE */
+	msg[len++] = session->in_seq & 0xff;
+	msg[len++] = (session->in_seq >> 8) & 0xff;
+	msg[len++] = (session->in_seq >> 16) & 0xff;
+	msg[len++] = (session->in_seq >> 24) & 0xff;
+
+	msg[len++] = session->session_id & 0xff;
+	msg[len++] = (session->session_id >> 8) & 0xff;
+	msg[len++] = (session->session_id >> 16) & 0xff;
+	msg[len++] = ((session->session_id >> 24) + 0x10) & 0xff; /* Add 0x10 to MSB for SOL */
+
+	msg[len++] = payload->payload.sol_packet.character_count + 5;
+	
+	/* sol header */
+	msg[len++] = payload->payload.sol_packet.packet_sequence_number;
+	msg[len++] = payload->payload.sol_packet.acked_packet_number;
+	msg[len++] = payload->payload.sol_packet.accepted_character_count;
+	msg[len]    = payload->payload.sol_packet.is_nack           ? 0x40 : 0;
+	msg[len]   |= payload->payload.sol_packet.assert_ring_wor   ? 0x20 : 0;
+	msg[len]   |= payload->payload.sol_packet.generate_break    ? 0x10 : 0;
+	msg[len]   |= payload->payload.sol_packet.deassert_cts      ? 0x08 : 0;
+	msg[len]   |= payload->payload.sol_packet.deassert_dcd_dsr  ? 0x04 : 0;
+	msg[len]   |= payload->payload.sol_packet.flush_inbound     ? 0x02 : 0;
+	msg[len++] |= payload->payload.sol_packet.flush_outbound    ? 0x01 : 0;
+
+	len++; /* On SOL there's and additional fifth byte before the data starts */
+
+	if (payload->payload.sol_packet.character_count) {
+		/* We may have data to add */
+		memcpy(msg + len,
+		       payload->payload.sol_packet.data,
+		       payload->payload.sol_packet.character_count);
+		len += payload->payload.sol_packet.character_count;		
+	}
+
+	session->in_seq++;
+	if (session->in_seq == 0)
+		session->in_seq++;
+	
+	*llen = len;
+	return msg;
+}
+
+/*
+ * is_sol_packet
+ */
+static int
+is_sol_packet(struct ipmi_rs * rsp)
+{
+	return (rsp                                                           &&
+		(rsp->session.payloadtype == IPMI_PAYLOAD_TYPE_SOL));
+}
+
+
+
+/*
+ * sol_response_acks_packet
+ */
+static int
+sol_response_acks_packet(struct ipmi_rs         * rsp,
+			 struct ipmi_v2_payload * payload)
+{
+	return (is_sol_packet(rsp)                                            &&
+		payload                                                       &&
+		(payload->payload_type    == IPMI_PAYLOAD_TYPE_SOL)           && 
+		(rsp->payload.sol_packet.acked_packet_number ==
+		 payload->payload.sol_packet.packet_sequence_number));
+}
+
+/*
+ * ipmi_lan_send_sol_payload
+ *
+ */
+static struct ipmi_rs *
+ipmi_lan_send_sol_payload(struct ipmi_intf * intf,
+			  struct ipmi_v2_payload * payload)
+{
+	struct ipmi_rs      * rsp = NULL;
+	uint8_t             * msg;
+	int                   len;
+	int                   try = 0;
+
+	if (intf->opened == 0 && intf->open != NULL) {
+		if (intf->open(intf) < 0)
+			return NULL;
+	}
+
+	msg = ipmi_lan_build_sol_msg(intf, payload, &len);
+	if (len <= 0 || msg == NULL) {
+		lprintf(LOG_ERR, "Invalid SOL payload packet");
+		if (msg != NULL) {
+			free(msg);
+			msg = NULL;
+		}
+		return NULL;
+	}
+
+	lprintf(LOG_DEBUG, ">> SENDING A SOL MESSAGE\n");
+
+	for (;;) {
+		if (ipmi_lan_send_packet(intf, msg, len) < 0) {
+			try++;
+			usleep(5000);
+			continue;
+		}
+
+		/* if we are set to noanswer we do not expect response */
+		if (intf->noanswer)
+			break;
+		
+		if (payload->payload.sol_packet.packet_sequence_number == 0) {
+			/* We're just sending an ACK.  No need to retry. */
+			break;
+		}
+
+		usleep(100);
+		
+		rsp = ipmi_lan_recv_sol(intf); /* Grab the next packet */
+
+		if (sol_response_acks_packet(rsp, payload))
+			break;
+
+		else if (is_sol_packet(rsp) && rsp->data_len)
+		{
+			/*
+			 * We're still waiting for our ACK, but we more data from
+			 * the BMC
+			 */
+			intf->session->sol_data.sol_input_handler(rsp);
+		}
+
+		usleep(5000);
+		if (++try >= intf->session->retry) {
+			lprintf(LOG_DEBUG, "  No response from remote controller");
+			break;
+		}
+	}
+
+	if (msg != NULL) {
+		free(msg);
+		msg = NULL;
+	}
+	return rsp;
+}
+
+/*
+ * is_sol_partial_ack
+ *
+ * Determine if the response is a partial ACK/NACK that indicates
+ * we need to resend part of our packet.
+ *
+ * returns the number of characters we need to resend, or
+ *         0 if this isn't an ACK or we don't need to resend anything
+ */
+static int is_sol_partial_ack(struct ipmi_v2_payload * v2_payload,
+			      struct ipmi_rs         * rsp)
+{
+	int chars_to_resend = 0;
+
+	if (v2_payload                                &&
+	    rsp                                       &&
+	    is_sol_packet(rsp)                        &&
+	    sol_response_acks_packet(rsp, v2_payload) &&
+	    (rsp->payload.sol_packet.accepted_character_count <
+	     v2_payload->payload.sol_packet.character_count))
+	{
+		if (rsp->payload.sol_packet.accepted_character_count == 0) {
+			/* We should not resend data */
+			chars_to_resend = 0;
+		}
+		else
+		{
+			chars_to_resend =
+				v2_payload->payload.sol_packet.character_count -
+				rsp->payload.sol_packet.accepted_character_count;
+		}
+	}
+
+	return chars_to_resend;
+}
+
+/*
+ * set_sol_packet_sequence_number
+ */
+static void set_sol_packet_sequence_number(struct ipmi_intf * intf,
+					   struct ipmi_v2_payload * v2_payload)
+{
+	/* Keep our sequence number sane */
+	if (intf->session->sol_data.sequence_number > 0x0F)
+		intf->session->sol_data.sequence_number = 1;
+
+	v2_payload->payload.sol_packet.packet_sequence_number =
+		intf->session->sol_data.sequence_number++;
+}
+
+/*
+ * ipmi_lan_send_sol
+ *
+ * Sends a SOL packet..  We handle partial ACK/NACKs from the BMC here.
+ *
+ * Returns a pointer to the SOL ACK we received, or
+ *         0 on failure
+ * 
+ */
+struct ipmi_rs *
+ipmi_lan_send_sol(struct ipmi_intf * intf,
+		  struct ipmi_v2_payload * v2_payload)
+{
+	struct ipmi_rs * rsp;
+	int chars_to_resend = 0;
+
+	v2_payload->payload_type   = IPMI_PAYLOAD_TYPE_SOL;
+
+	/*
+	 * Payload length is just the length of the character
+	 * data here.
+	 */
+	v2_payload->payload.sol_packet.acked_packet_number = 0; /* NA */
+
+	set_sol_packet_sequence_number(intf, v2_payload);
+	
+	v2_payload->payload.sol_packet.accepted_character_count = 0; /* NA */
+
+	rsp = ipmi_lan_send_sol_payload(intf, v2_payload);
+
+	/* Determine if we need to resend some of our data */
+	chars_to_resend = is_sol_partial_ack(v2_payload, rsp);
+
+	while (chars_to_resend)
+	{
+		/*
+		 * We first need to handle any new data we might have
+		 * received in our NACK
+		 */
+		if (rsp->data_len)
+			intf->session->sol_data.sol_input_handler(rsp);
+
+		set_sol_packet_sequence_number(intf, v2_payload);
+		
+		/* Just send the required data */
+		memmove(v2_payload->payload.sol_packet.data,
+			v2_payload->payload.sol_packet.data +
+			rsp->payload.sol_packet.accepted_character_count,
+			chars_to_resend);
+
+		v2_payload->payload.sol_packet.character_count = chars_to_resend;
+
+		rsp = ipmi_lan_send_sol_payload(intf, v2_payload);
+
+		chars_to_resend = is_sol_partial_ack(v2_payload, rsp);
+	}
+
+	return rsp;
+}
+
+/*
+ * check_sol_packet_for_new_data
+ *
+ * Determine whether the SOL packet has already been seen
+ * and whether the packet has new data for us.
+ *
+ * This function has the side effect of removing an previously
+ * seen data, and moving new data to the front.
+ *
+ * It also "Remembers" the data so we don't get repeats.
+ *
+ */
+static int
+check_sol_packet_for_new_data(struct ipmi_intf * intf,
+			      struct ipmi_rs *rsp)
+{
+	static uint8_t last_received_sequence_number = 0;
+	static uint8_t last_received_byte_count      = 0;
+	int new_data_size                            = 0;
+
+	if (rsp &&
+	    (rsp->session.payloadtype == IPMI_PAYLOAD_TYPE_SOL))
+	    
+	{
+		uint8_t unaltered_data_len = rsp->data_len;
+		if (rsp->payload.sol_packet.packet_sequence_number ==
+		    last_received_sequence_number)
+		{
+			/*
+			 * This is the same as the last packet, but may include
+			 * extra data
+			 */
+			new_data_size = rsp->data_len - last_received_byte_count;
+			
+			if (new_data_size > 0)
+			{
+				/* We have more data to process */
+				memmove(rsp->data,
+					rsp->data +
+					rsp->data_len - new_data_size,
+					new_data_size);
+			}
+			
+			rsp->data_len = new_data_size;
+		}
+	
+		/*
+		 *Rember the data for next round
+		 */
+		if (rsp && rsp->payload.sol_packet.packet_sequence_number)
+		{
+			last_received_sequence_number =
+				rsp->payload.sol_packet.packet_sequence_number;
+			last_received_byte_count = unaltered_data_len;
+		}
+	}
+
+	return new_data_size;
+}
+
+/*
+ * ack_sol_packet
+ *
+ * Provided the specified packet looks reasonable, ACK it.
+ */
+static void
+ack_sol_packet(struct ipmi_intf * intf,
+	       struct ipmi_rs * rsp)
+{
+	if (rsp &&
+	    (rsp->session.payloadtype == IPMI_PAYLOAD_TYPE_SOL) &&
+	    (rsp->payload.sol_packet.packet_sequence_number))
+	{
+		struct ipmi_v2_payload ack;
+
+		memset(&ack, 0, sizeof(struct ipmi_v2_payload));
+
+		ack.payload_type = IPMI_PAYLOAD_TYPE_SOL;
+
+		/*
+		 * Payload length is just the length of the character
+		 * data here.
+		 */
+		ack.payload_length = 0;
+
+		/* ACK packets have sequence numbers of 0 */
+		ack.payload.sol_packet.packet_sequence_number = 0;
+
+		ack.payload.sol_packet.acked_packet_number =
+			rsp->payload.sol_packet.packet_sequence_number;
+
+		ack.payload.sol_packet.accepted_character_count = rsp->data_len;
+		
+		ipmi_lan_send_sol_payload(intf, &ack);
+	}
+}
+
+/*
+ * ipmi_recv_sol
+ *
+ * Receive a SOL packet and send an ACK in response.
+ *
+ */
+static struct ipmi_rs *
+ipmi_lan_recv_sol(struct ipmi_intf * intf)
+{
+	struct ipmi_rs * rsp = ipmi_lan_poll_recv(intf);
+
+	ack_sol_packet(intf, rsp);              
+
+	/*
+	 * Remembers the data sent, and alters the data to just
+	 * include the new stuff.
+	 */
+	check_sol_packet_for_new_data(intf, rsp);
+
+	return rsp;
+}
+
+/* send a get device id command to keep session active */
+static int
+ipmi_lan_keepalive(struct ipmi_intf * intf)
+{
+	struct ipmi_rs * rsp;
+	struct ipmi_rq req = { msg: {
+		netfn: IPMI_NETFN_APP,
+		cmd: 1,
+	}};
+
+	if (!intf->opened)
+		return 0;
+
+	rsp = intf->sendrecv(intf, &req);
+	if (rsp == NULL)
+		return -1;
+	if (rsp->ccode > 0)
+		return -1;
+
+	return 0;
+}
+
+/*
+ * IPMI Get Channel Authentication Capabilities Command
+ */
+static int
+ipmi_get_auth_capabilities_cmd(struct ipmi_intf * intf)
+{
+	struct ipmi_rs * rsp;
+	struct ipmi_rq req;
+	struct ipmi_session * s = intf->session;
+	uint8_t msg_data[2];
+
+	msg_data[0] = IPMI_LAN_CHANNEL_E;
+	msg_data[1] = s->privlvl;
+
+	memset(&req, 0, sizeof(req));
+	req.msg.netfn    = IPMI_NETFN_APP;
+	req.msg.cmd      = 0x38;
+	req.msg.data     = msg_data;
+	req.msg.data_len = 2;
+
+	rsp = intf->sendrecv(intf, &req);
+	if (rsp == NULL) {
+		lprintf(LOG_INFO, "Get Auth Capabilities command failed");
+		return -1;
+	}
+	if (verbose > 2)
+		printbuf(rsp->data, rsp->data_len, "get_auth_capabilities");
+
+	if (rsp->ccode > 0) {
+		lprintf(LOG_INFO, "Get Auth Capabilities command failed: %s",
+			val2str(rsp->ccode, completion_code_vals));
+		return -1;
+	}
+
+	lprintf(LOG_DEBUG, "Channel %02x Authentication Capabilities:",
+		rsp->data[0]);
+	lprintf(LOG_DEBUG, "  Privilege Level : %s",
+		val2str(req.msg.data[1], ipmi_privlvl_vals));
+	lprintf(LOG_DEBUG, "  Auth Types      : %s%s%s%s%s",
+		(rsp->data[1] & 1<<IPMI_SESSION_AUTHTYPE_NONE) ? "NONE " : "",
+		(rsp->data[1] & 1<<IPMI_SESSION_AUTHTYPE_MD2) ? "MD2 " : "",
+		(rsp->data[1] & 1<<IPMI_SESSION_AUTHTYPE_MD5) ? "MD5 " : "",
+		(rsp->data[1] & 1<<IPMI_SESSION_AUTHTYPE_PASSWORD) ? "PASSWORD " : "",
+		(rsp->data[1] & 1<<IPMI_SESSION_AUTHTYPE_OEM) ? "OEM " : "");
+	lprintf(LOG_DEBUG, "  Per-msg auth    : %sabled",
+		(rsp->data[2] & IPMI_AUTHSTATUS_PER_MSG_DISABLED) ?
+		"dis" : "en");
+	lprintf(LOG_DEBUG, "  User level auth : %sabled",
+		(rsp->data[2] & IPMI_AUTHSTATUS_PER_USER_DISABLED) ?
+		"dis" : "en");
+	lprintf(LOG_DEBUG, "  Non-null users  : %sabled",
+		(rsp->data[2] & IPMI_AUTHSTATUS_NONNULL_USERS_ENABLED) ?
+		"en" : "dis");
+	lprintf(LOG_DEBUG, "  Null users      : %sabled",
+		(rsp->data[2] & IPMI_AUTHSTATUS_NULL_USERS_ENABLED) ?
+		"en" : "dis");
+	lprintf(LOG_DEBUG, "  Anonymous login : %sabled",
+		(rsp->data[2] & IPMI_AUTHSTATUS_ANONYMOUS_USERS_ENABLED) ?
+		"en" : "dis");
+	lprintf(LOG_DEBUG, "");
+
+	s->authstatus = rsp->data[2];
+
+	if (s->password &&
+	    (s->authtype_set == 0 ||
+	     s->authtype_set == IPMI_SESSION_AUTHTYPE_MD5) &&
+	    (rsp->data[1] & 1<<IPMI_SESSION_AUTHTYPE_MD5))
+	{
+		s->authtype = IPMI_SESSION_AUTHTYPE_MD5;
+	}
+	else if (s->password &&
+		 (s->authtype_set == 0 ||
+		  s->authtype_set == IPMI_SESSION_AUTHTYPE_MD2) &&
+		 (rsp->data[1] & 1<<IPMI_SESSION_AUTHTYPE_MD2))
+	{
+		s->authtype = IPMI_SESSION_AUTHTYPE_MD2;
+	}
+	else if (s->password &&
+		 (s->authtype_set == 0 ||
+		  s->authtype_set == IPMI_SESSION_AUTHTYPE_PASSWORD) &&
+		 (rsp->data[1] & 1<<IPMI_SESSION_AUTHTYPE_PASSWORD))
+	{
+		s->authtype = IPMI_SESSION_AUTHTYPE_PASSWORD;
+	}
+	else if (s->password &&
+		 (s->authtype_set == 0 ||
+		  s->authtype_set == IPMI_SESSION_AUTHTYPE_OEM) &&
+		 (rsp->data[1] & 1<<IPMI_SESSION_AUTHTYPE_OEM))
+	{
+		s->authtype = IPMI_SESSION_AUTHTYPE_OEM;
+	}
+	else if ((s->authtype_set == 0 ||
+		  s->authtype_set == IPMI_SESSION_AUTHTYPE_NONE) &&
+		 (rsp->data[1] & 1<<IPMI_SESSION_AUTHTYPE_NONE))
+	{
+		s->authtype = IPMI_SESSION_AUTHTYPE_NONE;
+	}
+	else {
+		if (!(rsp->data[1] & 1<<s->authtype_set))
+			lprintf(LOG_ERR, "Authentication type %s not supported",
+			       val2str(s->authtype_set, ipmi_authtype_session_vals));
+		else
+			lprintf(LOG_ERR, "No supported authtypes found");
+
+		return -1;
+	}
+
+	lprintf(LOG_DEBUG, "Proceeding with AuthType %s",
+		val2str(s->authtype, ipmi_authtype_session_vals));
+
+	return 0;
+}
+
+/*
+ * IPMI Get Session Challenge Command
+ * returns a temporary session ID and 16 byte challenge string
+ */
+static int
+ipmi_get_session_challenge_cmd(struct ipmi_intf * intf)
+{
+	struct ipmi_rs * rsp;
+	struct ipmi_rq req;
+	struct ipmi_session * s = intf->session;
+	uint8_t msg_data[17];
+
+	memset(msg_data, 0, 17);
+	msg_data[0] = s->authtype;
+	memcpy(msg_data+1, s->username, 16);
+
+	memset(&req, 0, sizeof(req));
+	req.msg.netfn		= IPMI_NETFN_APP;
+	req.msg.cmd		= 0x39;
+	req.msg.data		= msg_data;
+	req.msg.data_len	= 17; /* 1 byte for authtype, 16 for user */
+
+	rsp = intf->sendrecv(intf, &req);
+	if (rsp == NULL) {
+		lprintf(LOG_ERR, "Get Session Challenge command failed");
+		return -1;
+	}
+	if (verbose > 2)
+		printbuf(rsp->data, rsp->data_len, "get_session_challenge");
+
+	if (rsp->ccode > 0) {
+		switch (rsp->ccode) {
+		case 0x81:
+			lprintf(LOG_ERR, "Invalid user name");
+			break;
+		case 0x82:
+			lprintf(LOG_ERR, "NULL user name not enabled");
+			break;
+		default:
+			lprintf(LOG_ERR, "Get Session Challenge command failed: %s",
+				val2str(rsp->ccode, completion_code_vals));
+		}
+		return -1;
+	}
+
+	memcpy(&s->session_id, rsp->data, 4);
+	memcpy(s->challenge, rsp->data + 4, 16);
+
+	lprintf(LOG_DEBUG, "Opening Session");
+	lprintf(LOG_DEBUG, "  Session ID      : %08lx", (long)s->session_id);
+	lprintf(LOG_DEBUG, "  Challenge       : %s", buf2str(s->challenge, 16));
+
+	return 0;
+}
+
+/*
+ * IPMI Activate Session Command
+ */
+static int
+ipmi_activate_session_cmd(struct ipmi_intf * intf)
+{
+	struct ipmi_rs * rsp;
+	struct ipmi_rq req;
+	struct ipmi_session * s = intf->session;
+	uint8_t msg_data[22];
+
+	memset(&req, 0, sizeof(req));
+	req.msg.netfn = IPMI_NETFN_APP;
+	req.msg.cmd = 0x3a;
+
+	msg_data[0] = s->authtype;
+	msg_data[1] = s->privlvl;
+
+	/* supermicro oem authentication hack */
+	if (ipmi_oem_active(intf, "supermicro")) {
+		uint8_t * special = ipmi_auth_special(s);
+		memcpy(s->authcode, special, 16);
+		memset(msg_data + 2, 0, 16);
+		lprintf(LOG_DEBUG, "  OEM Auth        : %s",
+			buf2str(special, 16));
+	} else {
+		memcpy(msg_data + 2, s->challenge, 16);
+	}
+
+	/* setup initial outbound sequence number */
+	get_random(msg_data+18, 4);
+
+	req.msg.data = msg_data;
+	req.msg.data_len = 22;
+
+	s->active = 1;
+
+	lprintf(LOG_DEBUG, "  Privilege Level : %s",
+		val2str(msg_data[1], ipmi_privlvl_vals));
+	lprintf(LOG_DEBUG, "  Auth Type       : %s",
+		val2str(s->authtype, ipmi_authtype_session_vals));
+
+	rsp = intf->sendrecv(intf, &req);
+	if (rsp == NULL) {
+		lprintf(LOG_ERR, "Activate Session command failed");
+		s->active = 0;
+		return -1;
+	}
+	if (verbose > 2)
+		printbuf(rsp->data, rsp->data_len, "activate_session");
+
+	if (rsp->ccode) {
+		fprintf(stderr, "Activate Session error:");
+		switch (rsp->ccode) {
+		case 0x81:
+			lprintf(LOG_ERR, "\tNo session slot available");
+			break;
+		case 0x82:
+			lprintf(LOG_ERR, "\tNo slot available for given user - "
+				"limit reached");
+			break;
+		case 0x83:
+			lprintf(LOG_ERR, "\tNo slot available to support user "
+				"due to maximum privilege capacity");
+			break;
+		case 0x84:
+			lprintf(LOG_ERR, "\tSession sequence out of range");
+			break;
+		case 0x85:
+			lprintf(LOG_ERR, "\tInvalid session ID in request");
+			break;
+		case 0x86:
+			lprintf(LOG_ERR, "\tRequested privilege level "
+				"exceeds limit");
+			break;
+		case 0xd4:
+			lprintf(LOG_ERR, "\tInsufficient privilege level");
+			break;
+		default:
+			lprintf(LOG_ERR, "\t%s",
+				val2str(rsp->ccode, completion_code_vals));
+		}
+		return -1;
+	}
+
+	memcpy(&s->session_id, rsp->data + 1, 4);
+	s->in_seq = rsp->data[8] << 24 | rsp->data[7] << 16 | rsp->data[6] << 8 | rsp->data[5];
+	if (s->in_seq == 0)
+		++s->in_seq;
+
+	if (s->authstatus & IPMI_AUTHSTATUS_PER_MSG_DISABLED)
+		s->authtype = IPMI_SESSION_AUTHTYPE_NONE;
+	else if (s->authtype != (rsp->data[0] & 0xf)) {
+		lprintf(LOG_ERR, "Invalid Session AuthType %s in response",
+			val2str(s->authtype, ipmi_authtype_session_vals));
+		return -1;
+	}
+
+	bridge_possible = 1;
+
+	lprintf(LOG_DEBUG, "\nSession Activated");
+	lprintf(LOG_DEBUG, "  Auth Type       : %s",
+		val2str(rsp->data[0], ipmi_authtype_session_vals));
+	lprintf(LOG_DEBUG, "  Max Priv Level  : %s",
+		val2str(rsp->data[9], ipmi_privlvl_vals));
+	lprintf(LOG_DEBUG, "  Session ID      : %08lx", (long)s->session_id);
+	lprintf(LOG_DEBUG, "  Inbound Seq     : %08lx\n", (long)s->in_seq);
+
+	return 0;
+}
+
+
+/*
+ * IPMI Set Session Privilege Level Command
+ */
+static int
+ipmi_set_session_privlvl_cmd(struct ipmi_intf * intf)
+{
+	struct ipmi_rs * rsp;
+	struct ipmi_rq req;
+	uint8_t privlvl = intf->session->privlvl;
+	uint8_t backup_bridge_possible = bridge_possible;
+
+	if (privlvl <= IPMI_SESSION_PRIV_USER)
+		return 0;	/* no need to set higher */
+
+	memset(&req, 0, sizeof(req));
+	req.msg.netfn		= IPMI_NETFN_APP;
+	req.msg.cmd		= 0x3b;
+	req.msg.data		= &privlvl;
+	req.msg.data_len	= 1;
+
+	bridge_possible = 0;
+	rsp = intf->sendrecv(intf, &req);
+	bridge_possible = backup_bridge_possible;
+
+	if (rsp == NULL) {
+		lprintf(LOG_ERR, "Set Session Privilege Level to %s failed",
+			val2str(privlvl, ipmi_privlvl_vals));
+		return -1;
+	}
+	if (verbose > 2)
+		printbuf(rsp->data, rsp->data_len, "set_session_privlvl");
+
+	if (rsp->ccode > 0) {
+		lprintf(LOG_ERR, "Set Session Privilege Level to %s failed: %s",
+			val2str(privlvl, ipmi_privlvl_vals),
+			val2str(rsp->ccode, completion_code_vals));
+		return -1;
+	}
+
+	lprintf(LOG_DEBUG, "Set Session Privilege Level to %s\n",
+		val2str(rsp->data[0], ipmi_privlvl_vals));
+
+	return 0;
+}
+
+static int
+ipmi_close_session_cmd(struct ipmi_intf * intf)
+{
+	struct ipmi_rs * rsp;
+	struct ipmi_rq req;
+	uint8_t msg_data[4];
+	uint32_t session_id = intf->session->session_id;
+
+	if (intf->session->active == 0)
+		return -1;
+
+	intf->target_addr = IPMI_BMC_SLAVE_ADDR;
+	bridge_possible = 0;  /* Not a bridge message */
+
+	memcpy(&msg_data, &session_id, 4);
+
+	memset(&req, 0, sizeof(req));
+	req.msg.netfn		= IPMI_NETFN_APP;
+	req.msg.cmd		= 0x3c;
+	req.msg.data		= msg_data;
+	req.msg.data_len	= 4;
+
+	rsp = intf->sendrecv(intf, &req);
+	if (rsp == NULL) {
+		lprintf(LOG_ERR, "Close Session command failed");
+		return -1;
+	}
+	if (verbose > 2)
+		printbuf(rsp->data, rsp->data_len, "close_session");
+
+	if (rsp->ccode == 0x87) {
+		lprintf(LOG_ERR, "Failed to Close Session: invalid "
+			"session ID %08lx", (long)session_id);
+		return -1;
+	}
+	if (rsp->ccode > 0) {
+		lprintf(LOG_ERR, "Close Session command failed: %s",
+			val2str(rsp->ccode, completion_code_vals));
+		return -1;
+	}
+
+	lprintf(LOG_DEBUG, "Closed Session %08lx\n", (long)session_id);
+
+	return 0;
+}
+
+/*
+ * IPMI LAN Session Activation (IPMI spec v1.5 section 12.9)
+ *
+ * 1. send "RMCP Presence Ping" message, response message will
+ *    indicate whether the platform supports IPMI
+ * 2. send "Get Channel Authentication Capabilities" command
+ *    with AUTHTYPE = none, response packet will contain information
+ *    about supported challenge/response authentication types
+ * 3. send "Get Session Challenge" command with AUTHTYPE = none
+ *    and indicate the authentication type in the message, response
+ *    packet will contain challenge string and temporary session ID.
+ * 4. send "Activate Session" command, authenticated with AUTHTYPE
+ *    sent in previous message.  Also sends the initial value for
+ *    the outbound sequence number for BMC.
+ * 5. BMC returns response confirming session activation and
+ *    session ID for this session and initial inbound sequence.
+ */
+static int
+ipmi_lan_activate_session(struct ipmi_intf * intf)
+{
+	int rc;
+
+	/* don't fail on ping because its not always supported.
+	 * Supermicro's IPMI LAN 1.5 cards don't tolerate pings.
+	 */
+	if (!ipmi_oem_active(intf, "supermicro"))
+		ipmi_lan_ping(intf);
+
+	/* Some particular Intel boards need special help
+	 */
+	if (ipmi_oem_active(intf, "intelwv2"))
+		ipmi_lan_thump_first(intf);
+
+	rc = ipmi_get_auth_capabilities_cmd(intf);
+	if (rc < 0) {
+		goto fail;
+	}
+
+	rc = ipmi_get_session_challenge_cmd(intf);
+	if (rc < 0)
+		goto fail;
+
+	rc = ipmi_activate_session_cmd(intf);
+	if (rc < 0)
+		goto fail;
+
+	intf->abort = 0;
+
+	rc = ipmi_set_session_privlvl_cmd(intf);
+	if (rc < 0)
+		goto fail;
+
+	return 0;
+
+ fail:
+	lprintf(LOG_ERR, "Error: Unable to establish LAN session");
+	return -1;
+}
+
+static void
+ipmi_lan_close(struct ipmi_intf * intf)
+{
+	if (intf->abort == 0)
+		ipmi_close_session_cmd(intf);
+
+	if (intf->fd >= 0)
+		close(intf->fd);
+
+	ipmi_req_clear_entries();
+
+	if (intf->session != NULL) {
+		free(intf->session);
+		intf->session = NULL;
+	}
+
+	intf->opened = 0;
+	intf->manufacturer_id = IPMI_OEM_UNKNOWN;
+	intf = NULL;
+}
+
+static int
+ipmi_lan_open(struct ipmi_intf * intf)
+{
+	int rc;
+	struct ipmi_session *s;
+
+	if (intf == NULL || intf->session == NULL)
+		return -1;
+	s = intf->session;
+
+	if (s->port == 0)
+		s->port = IPMI_LAN_PORT;
+	if (s->privlvl == 0)
+		s->privlvl = IPMI_SESSION_PRIV_ADMIN;
+	if (s->timeout == 0)
+		s->timeout = IPMI_LAN_TIMEOUT;
+	if (s->retry == 0)
+		s->retry = IPMI_LAN_RETRY;
+
+	if (s->hostname == NULL || strlen((const char *)s->hostname) == 0) {
+		lprintf(LOG_ERR, "No hostname specified!");
+		return -1;
+	}
+
+	intf->abort = 1;
+
+	intf->session->sol_data.sequence_number = 1;
+	
+	if (ipmi_intf_socket_connect (intf) == -1) {
+		lprintf(LOG_ERR, "Could not open socket!");
+		return -1;
+	}
+
+	if (intf->fd < 0) {
+		lperror(LOG_ERR, "Connect to %s failed",
+			s->hostname);
+		intf->close(intf);
+		return -1;
+	}
+
+	intf->opened = 1;
+
+	/* try to open session */
+	rc = ipmi_lan_activate_session(intf);
+	if (rc < 0) {
+		intf->close(intf);
+		intf->opened = 0;
+		return -1;
+	}
+
+	intf->manufacturer_id = ipmi_get_oem(intf);
+
+	/* automatically detect interface request and response sizes */
+	hpm2_detect_max_payload_size(intf);
+
+	return intf->fd;
+}
+
+static int
+ipmi_lan_setup(struct ipmi_intf * intf)
+{
+	intf->session = malloc(sizeof(struct ipmi_session));
+	if (intf->session == NULL) {
+		lprintf(LOG_ERR, "ipmitool: malloc failure");
+		return -1;
+	}
+	memset(intf->session, 0, sizeof(struct ipmi_session));
+
+	/* setup default LAN maximum request and response sizes */
+	intf->max_request_data_size = IPMI_LAN_MAX_REQUEST_SIZE;
+	intf->max_response_data_size = IPMI_LAN_MAX_RESPONSE_SIZE;
+
+	return 0;
+}
+
+static void
+ipmi_lan_set_max_rq_data_size(struct ipmi_intf * intf, uint16_t size)
+{
+	if (size + 7 > 0xFF) {
+		size = 0xFF - 7;
+	}
+
+	intf->max_request_data_size = size;
+}
+
+static void
+ipmi_lan_set_max_rp_data_size(struct ipmi_intf * intf, uint16_t size)
+{
+	if (size + 8 > 0xFF) {
+		size = 0xFF - 8;
+	}
+
+	intf->max_response_data_size = size;
+}
diff --git a/src/plugins/lan/lan.h b/src/plugins/lan/lan.h
new file mode 100644
index 0000000..3ba3055
--- /dev/null
+++ b/src/plugins/lan/lan.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 
+ * Redistribution 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 Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind.
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
+ * SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
+ * OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.  IN NO EVENT WILL
+ * SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
+ * OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
+ * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
+ * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
+ * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IPMI_LAN_H
+#define IPMI_LAN_H
+
+#include <ipmitool/ipmi.h>
+#include <ipmitool/ipmi_intf.h>
+
+extern struct ipmi_intf ipmi_lan_intf;
+
+#endif /*IPMI_LAN_H*/
diff --git a/src/plugins/lan/md5.c b/src/plugins/lan/md5.c
new file mode 100644
index 0000000..572c7c8
--- /dev/null
+++ b/src/plugins/lan/md5.c
@@ -0,0 +1,381 @@
+/*
+  Copyright (C) 1999, 2000, 2002 Aladdin Enterprises.  All rights reserved.
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+
+  L. Peter Deutsch
+  ghost@aladdin.com
+
+ */
+/* $Id: md5.c,v 1.1 2003/11/18 17:56:02 iceblink Exp $ */
+/*
+  Independent implementation of MD5 (RFC 1321).
+
+  This code implements the MD5 Algorithm defined in RFC 1321, whose
+  text is available at
+	http://www.ietf.org/rfc/rfc1321.txt
+  The code is derived from the text of the RFC, including the test suite
+  (section A.5) but excluding the rest of Appendix A.  It does not include
+  any code or documentation that is identified in the RFC as being
+  copyrighted.
+
+  The original and principal author of md5.c is L. Peter Deutsch
+  <ghost@aladdin.com>.  Other authors are noted in the change history
+  that follows (in reverse chronological order):
+
+  2002-04-13 lpd Clarified derivation from RFC 1321; now handles byte order
+	either statically or dynamically; added missing #include <string.h>
+	in library.
+  2002-03-11 lpd Corrected argument list for main(), and added int return
+	type, in test program and T value program.
+  2002-02-21 lpd Added missing #include <stdio.h> in test program.
+  2000-07-03 lpd Patched to eliminate warnings about "constant is
+	unsigned in ANSI C, signed in traditional"; made test program
+	self-checking.
+  1999-11-04 lpd Edited comments slightly for automatic TOC extraction.
+  1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5).
+  1999-05-03 lpd Original version.
+ */
+
+#include "md5.h"
+#include <string.h>
+
+#undef BYTE_ORDER	/* 1 = big-endian, -1 = little-endian, 0 = unknown */
+#ifdef ARCH_IS_BIG_ENDIAN
+#  define BYTE_ORDER (ARCH_IS_BIG_ENDIAN ? 1 : -1)
+#else
+#  define BYTE_ORDER 0
+#endif
+
+#define T_MASK ((md5_word_t)~0)
+#define T1 /* 0xd76aa478 */ (T_MASK ^ 0x28955b87)
+#define T2 /* 0xe8c7b756 */ (T_MASK ^ 0x173848a9)
+#define T3    0x242070db
+#define T4 /* 0xc1bdceee */ (T_MASK ^ 0x3e423111)
+#define T5 /* 0xf57c0faf */ (T_MASK ^ 0x0a83f050)
+#define T6    0x4787c62a
+#define T7 /* 0xa8304613 */ (T_MASK ^ 0x57cfb9ec)
+#define T8 /* 0xfd469501 */ (T_MASK ^ 0x02b96afe)
+#define T9    0x698098d8
+#define T10 /* 0x8b44f7af */ (T_MASK ^ 0x74bb0850)
+#define T11 /* 0xffff5bb1 */ (T_MASK ^ 0x0000a44e)
+#define T12 /* 0x895cd7be */ (T_MASK ^ 0x76a32841)
+#define T13    0x6b901122
+#define T14 /* 0xfd987193 */ (T_MASK ^ 0x02678e6c)
+#define T15 /* 0xa679438e */ (T_MASK ^ 0x5986bc71)
+#define T16    0x49b40821
+#define T17 /* 0xf61e2562 */ (T_MASK ^ 0x09e1da9d)
+#define T18 /* 0xc040b340 */ (T_MASK ^ 0x3fbf4cbf)
+#define T19    0x265e5a51
+#define T20 /* 0xe9b6c7aa */ (T_MASK ^ 0x16493855)
+#define T21 /* 0xd62f105d */ (T_MASK ^ 0x29d0efa2)
+#define T22    0x02441453
+#define T23 /* 0xd8a1e681 */ (T_MASK ^ 0x275e197e)
+#define T24 /* 0xe7d3fbc8 */ (T_MASK ^ 0x182c0437)
+#define T25    0x21e1cde6
+#define T26 /* 0xc33707d6 */ (T_MASK ^ 0x3cc8f829)
+#define T27 /* 0xf4d50d87 */ (T_MASK ^ 0x0b2af278)
+#define T28    0x455a14ed
+#define T29 /* 0xa9e3e905 */ (T_MASK ^ 0x561c16fa)
+#define T30 /* 0xfcefa3f8 */ (T_MASK ^ 0x03105c07)
+#define T31    0x676f02d9
+#define T32 /* 0x8d2a4c8a */ (T_MASK ^ 0x72d5b375)
+#define T33 /* 0xfffa3942 */ (T_MASK ^ 0x0005c6bd)
+#define T34 /* 0x8771f681 */ (T_MASK ^ 0x788e097e)
+#define T35    0x6d9d6122
+#define T36 /* 0xfde5380c */ (T_MASK ^ 0x021ac7f3)
+#define T37 /* 0xa4beea44 */ (T_MASK ^ 0x5b4115bb)
+#define T38    0x4bdecfa9
+#define T39 /* 0xf6bb4b60 */ (T_MASK ^ 0x0944b49f)
+#define T40 /* 0xbebfbc70 */ (T_MASK ^ 0x4140438f)
+#define T41    0x289b7ec6
+#define T42 /* 0xeaa127fa */ (T_MASK ^ 0x155ed805)
+#define T43 /* 0xd4ef3085 */ (T_MASK ^ 0x2b10cf7a)
+#define T44    0x04881d05
+#define T45 /* 0xd9d4d039 */ (T_MASK ^ 0x262b2fc6)
+#define T46 /* 0xe6db99e5 */ (T_MASK ^ 0x1924661a)
+#define T47    0x1fa27cf8
+#define T48 /* 0xc4ac5665 */ (T_MASK ^ 0x3b53a99a)
+#define T49 /* 0xf4292244 */ (T_MASK ^ 0x0bd6ddbb)
+#define T50    0x432aff97
+#define T51 /* 0xab9423a7 */ (T_MASK ^ 0x546bdc58)
+#define T52 /* 0xfc93a039 */ (T_MASK ^ 0x036c5fc6)
+#define T53    0x655b59c3
+#define T54 /* 0x8f0ccc92 */ (T_MASK ^ 0x70f3336d)
+#define T55 /* 0xffeff47d */ (T_MASK ^ 0x00100b82)
+#define T56 /* 0x85845dd1 */ (T_MASK ^ 0x7a7ba22e)
+#define T57    0x6fa87e4f
+#define T58 /* 0xfe2ce6e0 */ (T_MASK ^ 0x01d3191f)
+#define T59 /* 0xa3014314 */ (T_MASK ^ 0x5cfebceb)
+#define T60    0x4e0811a1
+#define T61 /* 0xf7537e82 */ (T_MASK ^ 0x08ac817d)
+#define T62 /* 0xbd3af235 */ (T_MASK ^ 0x42c50dca)
+#define T63    0x2ad7d2bb
+#define T64 /* 0xeb86d391 */ (T_MASK ^ 0x14792c6e)
+
+
+static void
+md5_process(md5_state_t *pms, const md5_byte_t *data /*[64]*/)
+{
+    md5_word_t
+	a = pms->abcd[0], b = pms->abcd[1],
+	c = pms->abcd[2], d = pms->abcd[3];
+    md5_word_t t;
+#if BYTE_ORDER > 0
+    /* Define storage only for big-endian CPUs. */
+    md5_word_t X[16];
+#else
+    /* Define storage for little-endian or both types of CPUs. */
+    md5_word_t xbuf[16];
+    const md5_word_t *X;
+#endif
+
+    {
+#if BYTE_ORDER == 0
+	/*
+	 * Determine dynamically whether this is a big-endian or
+	 * little-endian machine, since we can use a more efficient
+	 * algorithm on the latter.
+	 */
+	static const int w = 1;
+
+	if (*((const md5_byte_t *)&w)) /* dynamic little-endian */
+#endif
+#if BYTE_ORDER <= 0		/* little-endian */
+	{
+	    /*
+	     * On little-endian machines, we can process properly aligned
+	     * data without copying it.
+	     */
+	    if (!((data - (const md5_byte_t *)0) & 3)) {
+		/* data are properly aligned */
+		X = (const md5_word_t *)data;
+	    } else {
+		/* not aligned */
+		memcpy(xbuf, data, 64);
+		X = xbuf;
+	    }
+	}
+#endif
+#if BYTE_ORDER == 0
+	else			/* dynamic big-endian */
+#endif
+#if BYTE_ORDER >= 0		/* big-endian */
+	{
+	    /*
+	     * On big-endian machines, we must arrange the bytes in the
+	     * right order.
+	     */
+	    const md5_byte_t *xp = data;
+	    int i;
+
+#  if BYTE_ORDER == 0
+	    X = xbuf;		/* (dynamic only) */
+#  else
+#    define xbuf X		/* (static only) */
+#  endif
+	    for (i = 0; i < 16; ++i, xp += 4)
+		xbuf[i] = xp[0] + (xp[1] << 8) + (xp[2] << 16) + (xp[3] << 24);
+	}
+#endif
+    }
+
+#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
+
+    /* Round 1. */
+    /* Let [abcd k s i] denote the operation
+       a = b + ((a + F(b,c,d) + X[k] + T[i]) <<< s). */
+#define F(x, y, z) (((x) & (y)) | (~(x) & (z)))
+#define SET(a, b, c, d, k, s, Ti)\
+  t = a + F(b,c,d) + X[k] + Ti;\
+  a = ROTATE_LEFT(t, s) + b
+    /* Do the following 16 operations. */
+    SET(a, b, c, d,  0,  7,  T1);
+    SET(d, a, b, c,  1, 12,  T2);
+    SET(c, d, a, b,  2, 17,  T3);
+    SET(b, c, d, a,  3, 22,  T4);
+    SET(a, b, c, d,  4,  7,  T5);
+    SET(d, a, b, c,  5, 12,  T6);
+    SET(c, d, a, b,  6, 17,  T7);
+    SET(b, c, d, a,  7, 22,  T8);
+    SET(a, b, c, d,  8,  7,  T9);
+    SET(d, a, b, c,  9, 12, T10);
+    SET(c, d, a, b, 10, 17, T11);
+    SET(b, c, d, a, 11, 22, T12);
+    SET(a, b, c, d, 12,  7, T13);
+    SET(d, a, b, c, 13, 12, T14);
+    SET(c, d, a, b, 14, 17, T15);
+    SET(b, c, d, a, 15, 22, T16);
+#undef SET
+
+     /* Round 2. */
+     /* Let [abcd k s i] denote the operation
+          a = b + ((a + G(b,c,d) + X[k] + T[i]) <<< s). */
+#define G(x, y, z) (((x) & (z)) | ((y) & ~(z)))
+#define SET(a, b, c, d, k, s, Ti)\
+  t = a + G(b,c,d) + X[k] + Ti;\
+  a = ROTATE_LEFT(t, s) + b
+     /* Do the following 16 operations. */
+    SET(a, b, c, d,  1,  5, T17);
+    SET(d, a, b, c,  6,  9, T18);
+    SET(c, d, a, b, 11, 14, T19);
+    SET(b, c, d, a,  0, 20, T20);
+    SET(a, b, c, d,  5,  5, T21);
+    SET(d, a, b, c, 10,  9, T22);
+    SET(c, d, a, b, 15, 14, T23);
+    SET(b, c, d, a,  4, 20, T24);
+    SET(a, b, c, d,  9,  5, T25);
+    SET(d, a, b, c, 14,  9, T26);
+    SET(c, d, a, b,  3, 14, T27);
+    SET(b, c, d, a,  8, 20, T28);
+    SET(a, b, c, d, 13,  5, T29);
+    SET(d, a, b, c,  2,  9, T30);
+    SET(c, d, a, b,  7, 14, T31);
+    SET(b, c, d, a, 12, 20, T32);
+#undef SET
+
+     /* Round 3. */
+     /* Let [abcd k s t] denote the operation
+          a = b + ((a + H(b,c,d) + X[k] + T[i]) <<< s). */
+#define H(x, y, z) ((x) ^ (y) ^ (z))
+#define SET(a, b, c, d, k, s, Ti)\
+  t = a + H(b,c,d) + X[k] + Ti;\
+  a = ROTATE_LEFT(t, s) + b
+     /* Do the following 16 operations. */
+    SET(a, b, c, d,  5,  4, T33);
+    SET(d, a, b, c,  8, 11, T34);
+    SET(c, d, a, b, 11, 16, T35);
+    SET(b, c, d, a, 14, 23, T36);
+    SET(a, b, c, d,  1,  4, T37);
+    SET(d, a, b, c,  4, 11, T38);
+    SET(c, d, a, b,  7, 16, T39);
+    SET(b, c, d, a, 10, 23, T40);
+    SET(a, b, c, d, 13,  4, T41);
+    SET(d, a, b, c,  0, 11, T42);
+    SET(c, d, a, b,  3, 16, T43);
+    SET(b, c, d, a,  6, 23, T44);
+    SET(a, b, c, d,  9,  4, T45);
+    SET(d, a, b, c, 12, 11, T46);
+    SET(c, d, a, b, 15, 16, T47);
+    SET(b, c, d, a,  2, 23, T48);
+#undef SET
+
+     /* Round 4. */
+     /* Let [abcd k s t] denote the operation
+          a = b + ((a + I(b,c,d) + X[k] + T[i]) <<< s). */
+#define I(x, y, z) ((y) ^ ((x) | ~(z)))
+#define SET(a, b, c, d, k, s, Ti)\
+  t = a + I(b,c,d) + X[k] + Ti;\
+  a = ROTATE_LEFT(t, s) + b
+     /* Do the following 16 operations. */
+    SET(a, b, c, d,  0,  6, T49);
+    SET(d, a, b, c,  7, 10, T50);
+    SET(c, d, a, b, 14, 15, T51);
+    SET(b, c, d, a,  5, 21, T52);
+    SET(a, b, c, d, 12,  6, T53);
+    SET(d, a, b, c,  3, 10, T54);
+    SET(c, d, a, b, 10, 15, T55);
+    SET(b, c, d, a,  1, 21, T56);
+    SET(a, b, c, d,  8,  6, T57);
+    SET(d, a, b, c, 15, 10, T58);
+    SET(c, d, a, b,  6, 15, T59);
+    SET(b, c, d, a, 13, 21, T60);
+    SET(a, b, c, d,  4,  6, T61);
+    SET(d, a, b, c, 11, 10, T62);
+    SET(c, d, a, b,  2, 15, T63);
+    SET(b, c, d, a,  9, 21, T64);
+#undef SET
+
+     /* Then perform the following additions. (That is increment each
+        of the four registers by the value it had before this block
+        was started.) */
+    pms->abcd[0] += a;
+    pms->abcd[1] += b;
+    pms->abcd[2] += c;
+    pms->abcd[3] += d;
+}
+
+void
+md5_init(md5_state_t *pms)
+{
+    pms->count[0] = pms->count[1] = 0;
+    pms->abcd[0] = 0x67452301;
+    pms->abcd[1] = /*0xefcdab89*/ T_MASK ^ 0x10325476;
+    pms->abcd[2] = /*0x98badcfe*/ T_MASK ^ 0x67452301;
+    pms->abcd[3] = 0x10325476;
+}
+
+void
+md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes)
+{
+    const md5_byte_t *p = data;
+    int left = nbytes;
+    int offset = (pms->count[0] >> 3) & 63;
+    md5_word_t nbits = (md5_word_t)(nbytes << 3);
+
+    if (nbytes <= 0)
+	return;
+
+    /* Update the message length. */
+    pms->count[1] += nbytes >> 29;
+    pms->count[0] += nbits;
+    if (pms->count[0] < nbits)
+	pms->count[1]++;
+
+    /* Process an initial partial block. */
+    if (offset) {
+	int copy = (offset + nbytes > 64 ? 64 - offset : nbytes);
+
+	memcpy(pms->buf + offset, p, copy);
+	if (offset + copy < 64)
+	    return;
+	p += copy;
+	left -= copy;
+	md5_process(pms, pms->buf);
+    }
+
+    /* Process full blocks. */
+    for (; left >= 64; p += 64, left -= 64)
+	md5_process(pms, p);
+
+    /* Process a final partial block. */
+    if (left)
+	memcpy(pms->buf, p, left);
+}
+
+void
+md5_finish(md5_state_t *pms, md5_byte_t digest[16])
+{
+    static const md5_byte_t pad[64] = {
+	0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+    };
+    md5_byte_t data[8];
+    int i;
+
+    /* Save the length before padding. */
+    for (i = 0; i < 8; ++i)
+	data[i] = (md5_byte_t)(pms->count[i >> 2] >> ((i & 3) << 3));
+    /* Pad to 56 bytes mod 64. */
+    md5_append(pms, pad, ((55 - (pms->count[0] >> 3)) & 63) + 1);
+    /* Append the length. */
+    md5_append(pms, data, 8);
+    for (i = 0; i < 16; ++i)
+	digest[i] = (md5_byte_t)(pms->abcd[i >> 2] >> ((i & 3) << 3));
+}
diff --git a/src/plugins/lan/md5.h b/src/plugins/lan/md5.h
new file mode 100644
index 0000000..11fd117
--- /dev/null
+++ b/src/plugins/lan/md5.h
@@ -0,0 +1,91 @@
+/*
+  Copyright (C) 1999, 2002 Aladdin Enterprises.  All rights reserved.
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+
+  L. Peter Deutsch
+  ghost@aladdin.com
+
+ */
+/* $Id: md5.h,v 1.1 2003/11/18 17:56:02 iceblink Exp $ */
+/*
+  Independent implementation of MD5 (RFC 1321).
+
+  This code implements the MD5 Algorithm defined in RFC 1321, whose
+  text is available at
+	http://www.ietf.org/rfc/rfc1321.txt
+  The code is derived from the text of the RFC, including the test suite
+  (section A.5) but excluding the rest of Appendix A.  It does not include
+  any code or documentation that is identified in the RFC as being
+  copyrighted.
+
+  The original and principal author of md5.h is L. Peter Deutsch
+  <ghost@aladdin.com>.  Other authors are noted in the change history
+  that follows (in reverse chronological order):
+
+  2002-04-13 lpd Removed support for non-ANSI compilers; removed
+	references to Ghostscript; clarified derivation from RFC 1321;
+	now handles byte order either statically or dynamically.
+  1999-11-04 lpd Edited comments slightly for automatic TOC extraction.
+  1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5);
+	added conditionalization for C++ compilation from Martin
+	Purschke <purschke@bnl.gov>.
+  1999-05-03 lpd Original version.
+ */
+
+#ifndef md5_INCLUDED
+#  define md5_INCLUDED
+
+/*
+ * This package supports both compile-time and run-time determination of CPU
+ * byte order.  If ARCH_IS_BIG_ENDIAN is defined as 0, the code will be
+ * compiled to run only on little-endian CPUs; if ARCH_IS_BIG_ENDIAN is
+ * defined as non-zero, the code will be compiled to run only on big-endian
+ * CPUs; if ARCH_IS_BIG_ENDIAN is not defined, the code will be compiled to
+ * run on either big- or little-endian CPUs, but will run slightly less
+ * efficiently on either one than if ARCH_IS_BIG_ENDIAN is defined.
+ */
+
+typedef unsigned char md5_byte_t; /* 8-bit byte */
+typedef unsigned int md5_word_t; /* 32-bit word */
+
+/* Define the state of the MD5 Algorithm. */
+typedef struct md5_state_s {
+    md5_word_t count[2];	/* message length in bits, lsw first */
+    md5_word_t abcd[4];		/* digest buffer */
+    md5_byte_t buf[64];		/* accumulate block */
+} md5_state_t;
+
+#ifdef __cplusplus
+extern "C" 
+{
+#endif
+
+/* Initialize the algorithm. */
+void md5_init(md5_state_t *pms);
+
+/* Append a string to the message. */
+void md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes);
+
+/* Finish the message and return the digest. */
+void md5_finish(md5_state_t *pms, md5_byte_t digest[16]);
+
+#ifdef __cplusplus
+}  /* end extern "C" */
+#endif
+
+#endif /* md5_INCLUDED */
diff --git a/src/plugins/lan/rmcp.h b/src/plugins/lan/rmcp.h
new file mode 100644
index 0000000..b979d92
--- /dev/null
+++ b/src/plugins/lan/rmcp.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 
+ * Redistribution 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 Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind.
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
+ * SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
+ * OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.  IN NO EVENT WILL
+ * SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
+ * OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
+ * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
+ * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
+ * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IPMI_RMCP_H
+#define IPMI_RMCP_H
+
+#include <ipmitool/helper.h>
+#include "lan.h"
+#include "asf.h"
+
+#define RMCP_VERSION_1		0x06
+
+#define RMCP_UDP_PORT		0x26f /* port 623 */
+#define RMCP_UDP_SECURE_PORT	0x298 /* port 664 */
+
+#define RMCP_TYPE_MASK		0x80
+#define RMCP_TYPE_NORM		0x00
+#define RMCP_TYPE_ACK		0x01
+
+static const struct valstr rmcp_type_vals[] __attribute__((unused)) = {
+	{ RMCP_TYPE_NORM,	"Normal RMCP" },
+	{ RMCP_TYPE_ACK,	"RMCP ACK" },
+	{ 0,			NULL }
+};
+
+#define RMCP_CLASS_MASK		0x1f
+#define RMCP_CLASS_ASF		0x06
+#define RMCP_CLASS_IPMI		0x07
+#define RMCP_CLASS_OEM		0x08
+
+static const struct valstr rmcp_class_vals[] __attribute__((unused)) = {
+	{ RMCP_CLASS_ASF,	"ASF" },
+	{ RMCP_CLASS_IPMI,	"IPMI" },
+	{ RMCP_CLASS_OEM,	"OEM" },
+	{ 0,			NULL }
+};
+
+#ifdef HAVE_PRAGMA_PACK
+#pragma pack(1)
+#endif
+/* RMCP message header */
+struct rmcp_hdr {
+	uint8_t ver;
+	uint8_t __reserved;
+	uint8_t seq;
+	uint8_t class;
+} ATTRIBUTE_PACKING;
+#ifdef HAVE_PRAGMA_PACK
+#pragma pack(0)
+#endif
+
+#ifdef HAVE_PRAGMA_PACK
+#pragma pack(1)
+#endif
+struct rmcp_pong {
+	struct rmcp_hdr rmcp;
+	struct asf_hdr asf;
+	uint32_t iana;
+	uint32_t oem;
+	uint8_t sup_entities;
+	uint8_t sup_interact;
+	uint8_t reserved[6];
+} ATTRIBUTE_PACKING;
+#ifdef HAVE_PRAGMA_PACK
+#pragma pack(0)
+#endif
+
+int handle_rmcp(struct ipmi_intf * intf, uint8_t * data, int data_len);
+
+#endif /* IPMI_RMCP_H */