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Diffstat (limited to 'keyexchange/isakmpd-20041012/regress/x509/x509test.c')
-rw-r--r--keyexchange/isakmpd-20041012/regress/x509/x509test.c291
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diff --git a/keyexchange/isakmpd-20041012/regress/x509/x509test.c b/keyexchange/isakmpd-20041012/regress/x509/x509test.c
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+++ b/keyexchange/isakmpd-20041012/regress/x509/x509test.c
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+/* $OpenBSD: x509test.c,v 1.22 2003/06/03 14:39:51 ho Exp $ */
+/* $EOM: x509test.c,v 1.9 2000/12/21 15:24:25 ho Exp $ */
+
+/*
+ * Copyright (c) 1998, 1999 Niels Provos. All rights reserved.
+ * Copyright (c) 1999, 2001 Niklas Hallqvist. All rights reserved.
+ * Copyright (c) 2001 Håkan Olsson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This code was written under funding by Ericsson Radio Systems.
+ */
+
+/*
+ * This program takes a certificate generated by ssleay and a key pair
+ * from rsakeygen. It reads the IP address from certificate.txt and
+ * includes this as subject alt name extension into the certifcate.
+ * The result gets written as new certificate that can be used by
+ * isakmpd.
+ */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "conf.h"
+#include "ipsec_num.h"
+#include "isakmp_fld.h"
+#include "libcrypto.h"
+#include "log.h"
+#include "math_mp.h"
+#include "x509.h"
+
+static int x509_check_subjectaltname (u_char *, u_int, X509 *);
+
+u_int32_t file_sz;
+
+#if 0
+/* XXX Currently unused. */
+static u_int8_t *
+open_file (char *name)
+{
+ int fd;
+ struct stat st;
+ u_int8_t *addr;
+
+ if (stat (name, &st) == -1)
+ log_fatal ("stat (\"%s\", &st)", name);
+ file_sz = st.st_size;
+ fd = open (name, O_RDONLY);
+ if (fd == -1)
+ log_fatal ("open (\"%s\", O_RDONLY)", name);
+ addr = mmap (0, file_sz, PROT_READ | PROT_WRITE, MAP_FILE | MAP_PRIVATE,
+ fd, 0);
+ if (addr == MAP_FAILED)
+ log_fatal ("mmap (0, %d, PROT_READ | PROT_WRITE, MAP_FILE | MAP_PRIVATE,"
+ "%d, 0)", file_sz, fd);
+ close (fd);
+
+ return addr;
+}
+#endif
+
+/*
+ * Check that a certificate has a subjectAltName and that it matches our ID.
+ */
+static int
+x509_check_subjectaltname (u_char *id, u_int id_len, X509 *scert)
+{
+ u_int8_t *altname;
+ u_int32_t altlen;
+ int type, idtype, ret;
+
+ type = x509_cert_subjectaltname (scert, &altname, &altlen);
+ if (!type)
+ {
+ log_print ("x509_check_subjectaltname: can't access subjectAltName");
+ return 0;
+ }
+
+ /*
+ * Now that we have the X509 certicate in native form, get the
+ * subjectAltName extension and verify that it matches our ID.
+ */
+
+ /* XXX Get type of ID. */
+ idtype = id[0];
+ id += ISAKMP_ID_DATA_OFF - ISAKMP_GEN_SZ;
+ id_len -= ISAKMP_ID_DATA_OFF - ISAKMP_GEN_SZ;
+
+ ret = 0;
+ switch (idtype)
+ {
+ case IPSEC_ID_IPV4_ADDR:
+ if (type == X509v3_IP_ADDR)
+ ret = 1;
+ break;
+ case IPSEC_ID_FQDN:
+ if (type == X509v3_DNS_NAME)
+ ret = 1;
+ break;
+ case IPSEC_ID_USER_FQDN:
+ if (type == X509v3_RFC_NAME)
+ ret = 1;
+ break;
+ default:
+ ret = 0;
+ break;
+ }
+
+ if (!ret)
+ {
+ LOG_DBG ((LOG_CRYPTO, 50,
+ "x509_check_subjectaltname: "
+ "our ID type (%d) does not match X509 cert ID type (%d)",
+ idtype, type));
+ return 0;
+ }
+
+ if (altlen != id_len || memcmp (altname, id, id_len) != 0)
+ {
+ LOG_DBG ((LOG_CRYPTO, 50,
+ "x509_check_subjectaltname: "
+ "our ID does not match X509 cert ID"));
+ return 0;
+ }
+
+ return 1;
+}
+
+int
+main (int argc, char *argv[])
+{
+ RSA *pub_key, *priv_key;
+ X509 *cert;
+ BIO *certfile, *keyfile;
+ EVP_PKEY *pkey_pub;
+ u_char ipaddr[6];
+ struct in_addr saddr;
+ char enc[256], dec[256];
+ u_int8_t idpayload[8];
+ int err, len;
+
+ if (argc < 3 || argc > 4)
+ {
+ fprintf (stderr, "usage: x509test private-key certificate ip-address\n");
+ exit (1);
+ }
+
+ /*
+ * X509_verify will fail, as will all other functions that call
+ * EVP_get_digest_byname.
+ */
+
+ libcrypto_init ();
+
+ printf ("Reading private key %s\n", argv[1]);
+ keyfile = BIO_new (BIO_s_file ());
+ if (BIO_read_filename (keyfile, argv[1]) == -1)
+ {
+ perror ("read");
+ exit (1);
+ }
+#if SSLEAY_VERSION_NUMBER >= 0x00904100L
+ priv_key = PEM_read_bio_RSAPrivateKey (keyfile, NULL, NULL, NULL);
+#else
+ priv_key = PEM_read_bio_RSAPrivateKey (keyfile, NULL, NULL);
+#endif
+ BIO_free (keyfile);
+ if (priv_key == NULL)
+ {
+ printf("PEM_read_bio_RSAPrivateKey () failed\n");
+ exit (1);
+ }
+
+ /* Use a certificate created by ssleay. */
+ printf ("Reading ssleay created certificate %s\n", argv[2]);
+ certfile = BIO_new (BIO_s_file ());
+ if (BIO_read_filename (certfile, argv[2]) == -1)
+ {
+ perror ("read");
+ exit (1);
+ }
+#if SSLEAY_VERSION_NUMBER >= 0x00904100L
+ cert = PEM_read_bio_X509 (certfile, NULL, NULL, NULL);
+#else
+ cert = PEM_read_bio_X509 (certfile, NULL, NULL);
+#endif
+ BIO_free (certfile);
+ if (cert == NULL)
+ {
+ printf("PEM_read_bio_X509 () failed\n");
+ exit (1);
+ }
+
+ pkey_pub = X509_get_pubkey (cert);
+ /* XXX Violation of the interface? */
+ pub_key = pkey_pub->pkey.rsa;
+ if (pub_key == NULL)
+ {
+ exit (1);
+ }
+
+ printf ("Testing RSA keys: ");
+
+ err = 0;
+ strlcpy (dec, "Eine kleine Testmeldung", 256);
+ if ((len = RSA_private_encrypt (strlen (dec), dec, enc, priv_key,
+ RSA_PKCS1_PADDING)) == -1)
+
+ printf ("SIGN FAILED ");
+ else
+ err = RSA_public_decrypt (len, enc, dec, pub_key, RSA_PKCS1_PADDING);
+
+ if (err == -1 || strcmp (dec, "Eine kleine Testmeldung"))
+ printf ("SIGN/VERIFY FAILED");
+ else
+ printf ("OKAY");
+ printf ("\n");
+
+
+ printf ("Validate SIGNED: ");
+ err = X509_verify (cert, pkey_pub);
+ printf ("X509 verify: %d ", err);
+ if (err == -1)
+ printf ("FAILED ");
+ else
+ printf ("OKAY ");
+ printf ("\n");
+
+ if (argc == 4)
+ {
+ printf ("Verifying extension: ");
+ if (inet_aton (argv[3], &saddr) == 0)
+ {
+ printf ("inet_aton () failed\n");
+ exit (1);
+ }
+
+ saddr.s_addr = htonl (saddr.s_addr);
+ ipaddr[0] = 0x87;
+ ipaddr[1] = 0x04;
+ ipaddr[2] = saddr.s_addr >> 24;
+ ipaddr[3] = (saddr.s_addr >> 16) & 0xff;
+ ipaddr[4] = (saddr.s_addr >> 8) & 0xff;
+ ipaddr[5] = saddr.s_addr & 0xff;
+ bzero (idpayload, sizeof idpayload);
+ idpayload[0] = IPSEC_ID_IPV4_ADDR;
+ bcopy (ipaddr + 2, idpayload + 4, 4);
+
+ if (!x509_check_subjectaltname (idpayload, sizeof idpayload, cert))
+ printf("FAILED ");
+ else
+ printf("OKAY ");
+ printf ("\n");
+ }
+
+ return 1;
+}
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