From aa0f5b38aec14428b4b80e06f90ff781f8bca5f1 Mon Sep 17 00:00:00 2001
From: Rene Mayrhofer <rene@mayrhofer.eu.org>
Date: Mon, 22 May 2006 05:12:18 +0000
Subject: Import initial strongswan 2.7.0 version into SVN.

---
 programs/klipsdebug/klipsdebug.c | 436 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 436 insertions(+)
 create mode 100644 programs/klipsdebug/klipsdebug.c

(limited to 'programs/klipsdebug/klipsdebug.c')

diff --git a/programs/klipsdebug/klipsdebug.c b/programs/klipsdebug/klipsdebug.c
new file mode 100644
index 000000000..c205038a1
--- /dev/null
+++ b/programs/klipsdebug/klipsdebug.c
@@ -0,0 +1,436 @@
+/*
+ * control KLIPS debugging options
+ * Copyright (C) 1996  John Ioannidis.
+ * Copyright (C) 1998, 1999, 2000, 2001  Richard Guy Briggs <rgb@freeswan.org>
+ *                                 2001  Michael Richardson <mcr@freeswan.org>
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+char klipsdebug_c_version[] = "RCSID $Id: klipsdebug.c,v 1.2 2004/06/07 15:16:34 as Exp $";
+
+
+#include <sys/types.h>
+#include <linux/types.h> /* new */
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h> /* system(), strtoul() */
+#include <sys/stat.h> /* open() */
+#include <fcntl.h> /* open() */
+
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+
+
+#include <unistd.h>
+#include <freeswan.h>
+#if 0
+#include <linux/autoconf.h>	/* CONFIG_IPSEC_PFKEYv2 */
+#endif
+
+/* permanently turn it on since netlink support has been disabled */
+#include <signal.h>
+#include <pfkeyv2.h>
+#include <pfkey.h>
+
+#include "freeswan/radij.h"
+#include "freeswan/ipsec_encap.h"
+#ifndef CONFIG_IPSEC_DEBUG
+#define CONFIG_IPSEC_DEBUG
+#endif /* CONFIG_IPSEC_DEBUG */
+#include "freeswan/ipsec_tunnel.h"
+
+#include <stdio.h>
+#include <getopt.h>
+
+__u32 bigbuf[1024];
+char *program_name;
+
+int pfkey_sock;
+fd_set pfkey_socks;
+uint32_t pfkey_seq = 0;
+
+char copyright[] =
+"Copyright (C) 1999 Henry Spencer, Richard Guy Briggs, D. Hugh Redelmeier,\n\
+	Sandy Harris, Angelos D. Keromytis, John Ioannidis.\n\
+\n\
+   This program is free software; you can redistribute it and/or modify it\n\
+   under the terms of the GNU General Public License as published by the\n\
+   Free Software Foundation; either version 2 of the License, or (at your\n\
+   option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.\n\
+\n\
+   This program is distributed in the hope that it will be useful, but\n\
+   WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\n\
+   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License\n\
+   (file COPYING in the distribution) for more details.\n";
+
+static void
+usage(char * arg)
+{
+	fprintf(stdout, "usage: %s {--set|--clear} {tunnel|tunnel-xmit|netlink|xform|eroute|spi|radij|esp|ah|rcv|pfkey|ipcomp|verbose}\n", arg);
+	fprintf(stdout, "       %s {--all|--none}\n", arg);
+	fprintf(stdout, "       %s --help\n", arg);
+	fprintf(stdout, "       %s --version\n", arg);
+	fprintf(stdout, "       %s\n", arg);
+	fprintf(stdout, "        [ --debug ] is optional to any %s command\n", arg);
+	fprintf(stdout, "        [ --label <label> ] is optional to any %s command.\n", arg);
+	exit(1);
+}
+
+static struct option const longopts[] =
+{
+	{"set", 1, 0, 's'},
+	{"clear", 1, 0, 'c'},
+	{"all", 0, 0, 'a'},
+	{"none", 0, 0, 'n'},
+	{"help", 0, 0, 'h'},
+	{"version", 0, 0, 'v'},
+	{"label", 1, 0, 'l'},
+	{"optionsfrom", 1, 0, '+'},
+	{"debug", 0, 0, 'd'},
+	{0, 0, 0, 0}
+};
+
+int
+main(int argc, char **argv)
+{
+/*	int fd; */
+	unsigned char action = 0;
+	int c, previous = -1;
+	
+	int debug = 0;
+	int error = 0;
+	int argcount = argc;
+	int em_db_tn, em_db_nl, em_db_xf, em_db_er, em_db_sp;
+	int em_db_rj, em_db_es, em_db_ah, em_db_rx, em_db_ky;
+	int em_db_gz, em_db_vb;
+
+	struct sadb_ext *extensions[SADB_EXT_MAX + 1];
+	struct sadb_msg *pfkey_msg;
+	
+	em_db_tn=em_db_nl=em_db_xf=em_db_er=em_db_sp=0;
+	em_db_rj=em_db_es=em_db_ah=em_db_rx=em_db_ky=0;
+	em_db_gz=em_db_vb=0;
+
+
+	program_name = argv[0];
+
+	while((c = getopt_long(argc, argv, ""/*"s:c:anhvl:+:d"*/, longopts, 0)) != EOF) {
+		switch(c) {
+		case 'd':
+			debug = 1;
+			pfkey_lib_debug = PF_KEY_DEBUG_PARSE_MAX;
+			argcount--;
+			break;
+		case 's':
+			if(action) {
+				fprintf(stderr, "%s: Only one of '--set', '--clear', '--all' or '--none' options permitted.\n",
+					program_name);
+				exit(1);
+			}
+			action = 's';
+			em_db_tn=em_db_nl=em_db_xf=em_db_er=em_db_sp=0;
+			em_db_rj=em_db_es=em_db_ah=em_db_rx=em_db_ky=0;
+			em_db_gz=em_db_vb=0;
+			if(strcmp(optarg, "tunnel") == 0) {
+				em_db_tn = -1L;
+			} else if(strcmp(optarg, "tunnel-xmit") == 0) {
+				em_db_tn = DB_TN_XMIT;
+			} else if(strcmp(optarg, "netlink") == 0) {
+				em_db_nl = -1L;
+			} else if(strcmp(optarg, "xform") == 0) {
+				em_db_xf = -1L;
+			} else if(strcmp(optarg, "eroute") == 0) {
+				em_db_er = -1L;
+			} else if(strcmp(optarg, "spi") == 0) {
+				em_db_sp = -1L;
+			} else if(strcmp(optarg, "radij") == 0) {
+				em_db_rj = -1L;
+			} else if(strcmp(optarg, "esp") == 0) {
+				em_db_es = -1L;
+			} else if(strcmp(optarg, "ah") == 0) {
+				em_db_ah = -1L;
+			} else if(strcmp(optarg, "rcv") == 0) {
+				em_db_rx = -1L;
+			} else if(strcmp(optarg, "pfkey") == 0) {
+				em_db_ky = -1L;
+			} else if(strcmp(optarg, "comp") == 0) {
+				em_db_gz = -1L;
+			} else if(strcmp(optarg, "verbose") == 0) {
+				em_db_vb = -1L;
+			} else {
+				usage(program_name);
+			}
+			em_db_nl |= 1 << (sizeof(em_db_nl) * 8 -1);
+			break;
+		case 'c':
+			if(action) {
+				fprintf(stderr, "%s: Only one of '--set', '--clear', '--all' or '--none' options permitted.\n",
+					program_name);
+				exit(1);
+			}
+			em_db_tn=em_db_nl=em_db_xf=em_db_er=em_db_sp=-1;
+			em_db_rj=em_db_es=em_db_ah=em_db_rx=em_db_ky=-1;
+			em_db_gz=em_db_vb=-1;
+
+			action = 'c';
+			if(strcmp(optarg, "tunnel") == 0) {
+				em_db_tn = 0;
+			} else if(strcmp(optarg, "tunnel-xmit") == 0) {
+				em_db_tn = ~DB_TN_XMIT;
+			} else if(strcmp(optarg, "netlink") == 0) {
+				em_db_nl = 0;
+			} else if(strcmp(optarg, "xform") == 0) {
+				em_db_xf = 0;
+			} else if(strcmp(optarg, "eroute") == 0) {
+				em_db_er = 0;
+			} else if(strcmp(optarg, "spi") == 0) {
+				em_db_sp = 0;
+			} else if(strcmp(optarg, "radij") == 0) {
+				em_db_rj = 0;
+			} else if(strcmp(optarg, "esp") == 0) {
+				em_db_es = 0;
+			} else if(strcmp(optarg, "ah") == 0) {
+				em_db_ah = 0;
+			} else if(strcmp(optarg, "rcv") == 0) {
+				em_db_rx = 0;
+			} else if(strcmp(optarg, "pfkey") == 0) {
+				em_db_ky = 0;
+			} else if(strcmp(optarg, "comp") == 0) {
+				em_db_gz = 0;
+			} else if(strcmp(optarg, "verbose") == 0) {
+				em_db_vb = 0;
+			} else {
+				usage(program_name);
+			}
+			em_db_nl &= ~(1 << (sizeof(em_db_nl) * 8 -1));
+			break;
+		case 'a':
+			if(action) {
+				fprintf(stderr, "%s: Only one of '--set', '--clear', '--all' or '--none' options permitted.\n",
+					program_name);
+				exit(1);
+			}
+			action = 'a';
+			em_db_tn=em_db_nl=em_db_xf=em_db_er=em_db_sp=-1;
+			em_db_rj=em_db_es=em_db_ah=em_db_rx=em_db_ky=-1;
+			em_db_gz=-1;
+			em_db_vb= 0;
+			break;
+		case 'n':
+			if(action) {
+				fprintf(stderr, "%s: Only one of '--set', '--clear', '--all' or '--none' options permitted.\n",
+					program_name);
+				exit(1);
+			}
+			action = 'n';
+			em_db_tn=em_db_nl=em_db_xf=em_db_er=em_db_sp=0;
+			em_db_rj=em_db_es=em_db_ah=em_db_rx=em_db_ky=0;
+			em_db_gz=em_db_vb=0;
+			break;
+		case 'h':
+		case '?':
+			usage(program_name);
+			exit(1);
+		case 'v':
+			fprintf(stdout, "klipsdebug (Linux FreeS/WAN %s) %s\n",
+				ipsec_version_code(), klipsdebug_c_version);
+			fputs(copyright, stdout);
+			exit(0);
+		case 'l':
+			program_name = malloc(strlen(argv[0])
+					      + 10 /* update this when changing the sprintf() */
+					      + strlen(optarg));
+			sprintf(program_name, "%s --label %s",
+				argv[0],
+				optarg);
+			argcount -= 2;
+			break;
+		case '+': /* optionsfrom */
+			optionsfrom(optarg, &argc, &argv, optind, stderr);
+			/* no return on error */
+			break;
+		default:
+			break;
+		}
+		previous = c;
+	}
+
+	if(argcount == 1) {
+		system("cat /proc/net/ipsec_klipsdebug");
+		exit(0);
+	}
+
+	if(!action) {
+		usage(program_name);
+	}
+
+	if((pfkey_sock = socket(PF_KEY, SOCK_RAW, PF_KEY_V2) ) < 0) {
+		fprintf(stderr, "%s: Trouble opening PF_KEY family socket with error: ",
+			program_name);
+		switch(errno) {
+		case ENOENT:
+			fprintf(stderr, "device does not exist.  See FreeS/WAN installation procedure.\n");
+			break;
+		case EACCES:
+			fprintf(stderr, "access denied.  ");
+			if(getuid() == 0) {
+				fprintf(stderr, "Check permissions.  Should be 600.\n");
+			} else {
+				fprintf(stderr, "You must be root to open this file.\n");
+			}
+			break;
+		case EUNATCH:
+			fprintf(stderr, "Netlink not enabled OR KLIPS not loaded.\n");
+			break;
+		case ENODEV:
+			fprintf(stderr, "KLIPS not loaded or enabled.\n");
+			break;
+		case EBUSY:
+			fprintf(stderr, "KLIPS is busy.  Most likely a serious internal error occured in a previous command.  Please report as much detail as possible to development team.\n");
+			break;
+		case EINVAL:
+			fprintf(stderr, "Invalid argument, KLIPS not loaded or check kernel log messages for specifics.\n");
+			break;
+		case ENOBUFS:
+			fprintf(stderr, "No kernel memory to allocate SA.\n");
+			break;
+		case ESOCKTNOSUPPORT:
+			fprintf(stderr, "Algorithm support not available in the kernel.  Please compile in support.\n");
+			break;
+		case EEXIST:
+			fprintf(stderr, "SA already in use.  Delete old one first.\n");
+			break;
+		case ENXIO:
+			fprintf(stderr, "SA does not exist.  Cannot delete.\n");
+			break;
+		case EAFNOSUPPORT:
+			fprintf(stderr, "KLIPS not loaded or enabled.\n");
+			break;
+		default:
+			fprintf(stderr, "Unknown file open error %d.  Please report as much detail as possible to development team.\n", errno);
+		}
+		exit(1);
+	}
+
+	pfkey_extensions_init(extensions);
+
+	if((error = pfkey_msg_hdr_build(&extensions[0],
+					SADB_X_DEBUG,
+					0,
+					0,
+					++pfkey_seq,
+					getpid()))) {
+		fprintf(stderr, "%s: Trouble building message header, error=%d.\n",
+			program_name, error);
+		pfkey_extensions_free(extensions);
+		exit(1);
+	}
+	
+	if((error = pfkey_x_debug_build(&extensions[SADB_X_EXT_DEBUG],
+					em_db_tn,
+					em_db_nl,
+					em_db_xf,
+					em_db_er,
+					em_db_sp,
+					em_db_rj,
+					em_db_es,
+					em_db_ah,
+					em_db_rx,
+					em_db_ky,
+					em_db_gz,
+					em_db_vb))) {
+		fprintf(stderr, "%s: Trouble building message header, error=%d.\n",
+			program_name, error);
+		pfkey_extensions_free(extensions);
+		exit(1);
+	}
+	
+	if((error = pfkey_msg_build(&pfkey_msg, extensions, EXT_BITS_IN))) {
+		fprintf(stderr, "%s: Trouble building pfkey message, error=%d.\n",
+			program_name, error);
+		pfkey_extensions_free(extensions);
+		pfkey_msg_free(&pfkey_msg);
+		exit(1);
+	}
+	
+	if((error = write(pfkey_sock,
+			  pfkey_msg,
+			  pfkey_msg->sadb_msg_len * IPSEC_PFKEYv2_ALIGN)) !=
+	   (ssize_t)(pfkey_msg->sadb_msg_len * IPSEC_PFKEYv2_ALIGN)) {
+		fprintf(stderr,
+			"%s: pfkey write failed, tried to write %u octets, returning %d with errno=%d.\n",
+			program_name,
+			(unsigned)(pfkey_msg->sadb_msg_len * IPSEC_PFKEYv2_ALIGN),
+			error,
+			errno);
+		pfkey_extensions_free(extensions);
+		pfkey_msg_free(&pfkey_msg);
+		switch(errno) {
+		case EACCES:
+			fprintf(stderr, "access denied.  ");
+			if(getuid() == 0) {
+				fprintf(stderr, "Check permissions.  Should be 600.\n");
+			} else {
+				fprintf(stderr, "You must be root to open this file.\n");
+			}
+			break;
+		case EUNATCH:
+			fprintf(stderr, "Netlink not enabled OR KLIPS not loaded.\n");
+			break;
+		case EBUSY:
+			fprintf(stderr, "KLIPS is busy.  Most likely a serious internal error occured in a previous command.  Please report as much detail as possible to development team.\n");
+			break;
+		case EINVAL:
+			fprintf(stderr, "Invalid argument, check kernel log messages for specifics.\n");
+			break;
+		case ENODEV:
+			fprintf(stderr, "KLIPS not loaded or enabled.\n");
+			fprintf(stderr, "No device?!?\n");
+			break;
+		case ENOBUFS:
+			fprintf(stderr, "No kernel memory to allocate SA.\n");
+			break;
+		case ESOCKTNOSUPPORT:
+			fprintf(stderr, "Algorithm support not available in the kernel.  Please compile in support.\n");
+			break;
+		case EEXIST:
+			fprintf(stderr, "SA already in use.  Delete old one first.\n");
+			break;
+		case ENOENT:
+			fprintf(stderr, "device does not exist.  See FreeS/WAN installation procedure.\n");
+			break;
+		case ENXIO:
+			fprintf(stderr, "SA does not exist.  Cannot delete.\n");
+			break;
+		case ENOSPC:
+			fprintf(stderr, "no room in kernel SAref table.  Cannot process request.\n");
+			break;
+		case ESPIPE:
+			fprintf(stderr, "kernel SAref table internal error.  Cannot process request.\n");
+			break;
+		default:
+			fprintf(stderr, "Unknown socket write error %d.  Please report as much detail as possible to development team.\n", errno);
+		}
+		exit(1);
+	}
+
+	if(pfkey_msg) {
+		pfkey_extensions_free(extensions);
+		pfkey_msg_free(&pfkey_msg);
+	}
+
+	(void) close(pfkey_sock);  /* close the socket */
+	exit(0);
+}
-- 
cgit v1.2.3