Initial revision

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@88988 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 255 insertions, 0 deletions

diff --git a/modules/ssl/ssl_engine_dh.c b/modules/ssl/ssl_engine_dh.c
new file mode 100644
index 0000000000..84f49e6657
--- /dev/null
+++ b/modules/ssl/ssl_engine_dh.c
@@ -0,0 +1,255 @@
+#if 0
+=pod
+#endif
+/*                      _             _
+**  _ __ ___   ___   __| |    ___ ___| |  mod_ssl
+** | '_ ` _ \ / _ \ / _` |   / __/ __| |  Apache Interface to OpenSSL
+** | | | | | | (_) | (_| |   \__ \__ \ |  www.modssl.org
+** |_| |_| |_|\___/ \__,_|___|___/___/_|  ftp.modssl.org
+**                      |_____|
+** ssl_engine_dh.c 
+** Diffie-Hellman Built-in Temporary Parameters
+*/
+
+/* ====================================================================
+ * Copyright (c) 1998-2001 Ralf S. Engelschall. 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.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by
+ *     Ralf S. Engelschall <rse@engelschall.com> for use in the
+ *     mod_ssl project (http://www.modssl.org/)."
+ *
+ * 4. The names "mod_ssl" must not be used to endorse or promote
+ *    products derived from this software without prior written
+ *    permission. For written permission, please contact
+ *    rse@engelschall.com.
+ *
+ * 5. Products derived from this software may not be called "mod_ssl"
+ *    nor may "mod_ssl" appear in their names without prior
+ *    written permission of Ralf S. Engelschall.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by
+ *     Ralf S. Engelschall <rse@engelschall.com> for use in the
+ *     mod_ssl project (http://www.modssl.org/)."
+ *
+ * THIS SOFTWARE IS PROVIDED BY RALF S. ENGELSCHALL ``AS IS'' AND ANY
+ * EXPRESSED 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 RALF S. ENGELSCHALL OR
+ * HIS CONTRIBUTORS 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.
+ * ====================================================================
+ */
+
+#include "mod_ssl.h"
+
+/* ----BEGIN GENERATED SECTION-------- */
+
+/*
+** Diffie-Hellman-Parameters: (512 bit)
+**     prime:
+**         00:d4:bc:d5:24:06:f6:9b:35:99:4b:88:de:5d:b8:
+**         96:82:c8:15:7f:62:d8:f3:36:33:ee:57:72:f1:1f:
+**         05:ab:22:d6:b5:14:5b:9f:24:1e:5a:cc:31:ff:09:
+**         0a:4b:c7:11:48:97:6f:76:79:50:94:e7:1e:79:03:
+**         52:9f:5a:82:4b
+**     generator: 2 (0x2)
+** Diffie-Hellman-Parameters: (1024 bit)
+**     prime:
+**         00:e6:96:9d:3d:49:5b:e3:2c:7c:f1:80:c3:bd:d4:
+**         79:8e:91:b7:81:82:51:bb:05:5e:2a:20:64:90:4a:
+**         79:a7:70:fa:15:a2:59:cb:d5:23:a6:a6:ef:09:c4:
+**         30:48:d5:a2:2f:97:1f:3c:20:12:9b:48:00:0e:6e:
+**         dd:06:1c:bc:05:3e:37:1d:79:4e:53:27:df:61:1e:
+**         bb:be:1b:ac:9b:5c:60:44:cf:02:3d:76:e0:5e:ea:
+**         9b:ad:99:1b:13:a6:3c:97:4e:9e:f1:83:9e:b5:db:
+**         12:51:36:f7:26:2e:56:a8:87:15:38:df:d8:23:c6:
+**         50:50:85:e2:1f:0d:d5:c8:6b
+**     generator: 2 (0x2)
+*/
+
+static unsigned char dh512_p[] =
+{
+    0xD4, 0xBC, 0xD5, 0x24, 0x06, 0xF6, 0x9B, 0x35, 0x99, 0x4B, 0x88, 0xDE,
+    0x5D, 0xB8, 0x96, 0x82, 0xC8, 0x15, 0x7F, 0x62, 0xD8, 0xF3, 0x36, 0x33,
+    0xEE, 0x57, 0x72, 0xF1, 0x1F, 0x05, 0xAB, 0x22, 0xD6, 0xB5, 0x14, 0x5B,
+    0x9F, 0x24, 0x1E, 0x5A, 0xCC, 0x31, 0xFF, 0x09, 0x0A, 0x4B, 0xC7, 0x11,
+    0x48, 0x97, 0x6F, 0x76, 0x79, 0x50, 0x94, 0xE7, 0x1E, 0x79, 0x03, 0x52,
+    0x9F, 0x5A, 0x82, 0x4B,
+};
+static unsigned char dh512_g[] =
+{
+    0x02,
+};
+
+static DH *get_dh512()
+{
+    DH *dh;
+
+    if ((dh = DH_new()) == NULL)
+        return (NULL);
+    dh->p = BN_bin2bn(dh512_p, sizeof(dh512_p), NULL);
+    dh->g = BN_bin2bn(dh512_g, sizeof(dh512_g), NULL);
+    if ((dh->p == NULL) || (dh->g == NULL))
+        return (NULL);
+    return (dh);
+}
+static unsigned char dh1024_p[] =
+{
+    0xE6, 0x96, 0x9D, 0x3D, 0x49, 0x5B, 0xE3, 0x2C, 0x7C, 0xF1, 0x80, 0xC3,
+    0xBD, 0xD4, 0x79, 0x8E, 0x91, 0xB7, 0x81, 0x82, 0x51, 0xBB, 0x05, 0x5E,
+    0x2A, 0x20, 0x64, 0x90, 0x4A, 0x79, 0xA7, 0x70, 0xFA, 0x15, 0xA2, 0x59,
+    0xCB, 0xD5, 0x23, 0xA6, 0xA6, 0xEF, 0x09, 0xC4, 0x30, 0x48, 0xD5, 0xA2,
+    0x2F, 0x97, 0x1F, 0x3C, 0x20, 0x12, 0x9B, 0x48, 0x00, 0x0E, 0x6E, 0xDD,
+    0x06, 0x1C, 0xBC, 0x05, 0x3E, 0x37, 0x1D, 0x79, 0x4E, 0x53, 0x27, 0xDF,
+    0x61, 0x1E, 0xBB, 0xBE, 0x1B, 0xAC, 0x9B, 0x5C, 0x60, 0x44, 0xCF, 0x02,
+    0x3D, 0x76, 0xE0, 0x5E, 0xEA, 0x9B, 0xAD, 0x99, 0x1B, 0x13, 0xA6, 0x3C,
+    0x97, 0x4E, 0x9E, 0xF1, 0x83, 0x9E, 0xB5, 0xDB, 0x12, 0x51, 0x36, 0xF7,
+    0x26, 0x2E, 0x56, 0xA8, 0x87, 0x15, 0x38, 0xDF, 0xD8, 0x23, 0xC6, 0x50,
+    0x50, 0x85, 0xE2, 0x1F, 0x0D, 0xD5, 0xC8, 0x6B,
+};
+static unsigned char dh1024_g[] =
+{
+    0x02,
+};
+
+static DH *get_dh1024()
+{
+    DH *dh;
+
+    if ((dh = DH_new()) == NULL)
+        return (NULL);
+    dh->p = BN_bin2bn(dh1024_p, sizeof(dh1024_p), NULL);
+    dh->g = BN_bin2bn(dh1024_g, sizeof(dh1024_g), NULL);
+    if ((dh->p == NULL) || (dh->g == NULL))
+        return (NULL);
+    return (dh);
+}
+/* ----END GENERATED SECTION---------- */
+
+DH *ssl_dh_GetTmpParam(int nKeyLen)
+{
+    DH *dh;
+
+    if (nKeyLen == 512)
+        dh = get_dh512();
+    else if (nKeyLen == 1024)
+        dh = get_dh1024();
+    else
+        dh = get_dh1024();
+    return dh;
+}
+
+DH *ssl_dh_GetParamFromFile(char *file)
+{
+    DH *dh = NULL;
+    BIO *bio;
+
+    if ((bio = BIO_new_file(file, "r")) == NULL)
+        return NULL;
+#if SSL_LIBRARY_VERSION < 0x00904000
+    dh = PEM_read_bio_DHparams(bio, NULL, NULL);
+#else
+    dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
+#endif
+    BIO_free(bio);
+    return (dh);
+}
+
+/*
+=cut
+##
+##  Embedded Perl script for generating the temporary DH parameters
+##
+
+require 5.003;
+use strict;
+
+#   configuration
+my $file  = $0;
+my $begin = '----BEGIN GENERATED SECTION--------';
+my $end   = '----END GENERATED SECTION----------';
+
+#   read ourself and keep a backup
+open(FP, "<$file") || die;
+my $source = '';
+$source .= $_ while (<FP>);
+close(FP);
+open(FP, ">$file.bak") || die;
+print FP $source;
+close(FP);
+
+#   generate the DH parameters
+print "1. Generate 512 and 1024 bit Diffie-Hellman parameters (p, g)\n";
+my $rand = '';
+foreach $file (qw(/var/log/messages /var/adm/messages 
+                  /kernel /vmunix /vmlinuz /etc/hosts /etc/resolv.conf)) {
+    if (-f $file) {
+        $rand = $file     if ($rand eq '');
+        $rand .= ":$file" if ($rand ne '');
+    }
+}
+$rand = "-rand $rand" if ($rand ne '');
+system("openssl gendh $rand -out dh512.pem 512");
+system("openssl gendh $rand -out dh1024.pem 1024");
+
+#   generate DH param info 
+my $dhinfo = '';
+open(FP, "openssl dh -noout -text -in dh512.pem |") || die;
+$dhinfo .= $_ while (<FP>);
+close(FP);
+open(FP, "openssl dh -noout -text -in dh1024.pem |") || die;
+$dhinfo .= $_ while (<FP>);
+close(FP);
+$dhinfo =~ s|^|** |mg;
+$dhinfo = "\n\/\*\n$dhinfo\*\/\n\n";
+
+#   generate C source from DH params
+my $dhsource = '';
+open(FP, "openssl dh -noout -C -in dh512.pem | indent | expand -8 |") || die;
+$dhsource .= $_ while (<FP>);
+close(FP);
+open(FP, "openssl dh -noout -C -in dh1024.pem | indent | expand -8 |") || die;
+$dhsource .= $_ while (<FP>);
+close(FP);
+$dhsource =~ s|(DH\s+\*get_dh)|static $1|sg;
+
+#   generate output
+my $o = $dhinfo . $dhsource;
+
+#   insert the generated code at the target location
+$source =~ s|(\/\* $begin.+?\n).*\n(.*?\/\* $end)|$1$o$2|s;
+
+#   and update the source on disk
+print "Updating file `$file'\n";
+open(FP, ">$file") || die;
+print FP $source;
+close(FP);
+
+#   cleanup
+unlink("dh512.pem");
+unlink("dh1024.pem");
+
+=pod
+*/