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authorSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
committerSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
commitc4a78426bef17a0a7c81195c2b2399e7441f14ad (patch)
tree596c39f00d5968b1519e8cd7f0546412b14c20f0 /apps/s_server.c
parenta0ddfe4e7233d81e88a86217b7653708db2720fa (diff)
downloadsrc-c4a78426bef17a0a7c81195c2b2399e7441f14ad.tar.gz
src-c4a78426bef17a0a7c81195c2b2399e7441f14ad.zip
Flatten OpenSSL vendor tree.
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=182044
Diffstat (limited to 'apps/s_server.c')
-rw-r--r--apps/s_server.c2015
1 files changed, 2015 insertions, 0 deletions
diff --git a/apps/s_server.c b/apps/s_server.c
new file mode 100644
index 000000000000..6c433e63fd64
--- /dev/null
+++ b/apps/s_server.c
@@ -0,0 +1,2015 @@
+/* apps/s_server.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * 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 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 acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 OR 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.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2001 The OpenSSL Project. 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 the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``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 THE OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * ECC cipher suite support in OpenSSL originally developed by
+ * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ */
+
+/* Until the key-gen callbacks are modified to use newer prototypes, we allow
+ * deprecated functions for openssl-internal code */
+#ifdef OPENSSL_NO_DEPRECATED
+#undef OPENSSL_NO_DEPRECATED
+#endif
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sys/stat.h>
+#include <openssl/e_os2.h>
+#ifdef OPENSSL_NO_STDIO
+#define APPS_WIN16
+#endif
+
+#if !defined(OPENSSL_SYS_NETWARE) /* conflicts with winsock2 stuff on netware */
+#include <sys/types.h>
+#endif
+
+/* With IPv6, it looks like Digital has mixed up the proper order of
+ recursive header file inclusion, resulting in the compiler complaining
+ that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
+ is needed to have fileno() declared correctly... So let's define u_int */
+#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
+#define __U_INT
+typedef unsigned int u_int;
+#endif
+
+#include <openssl/lhash.h>
+#include <openssl/bn.h>
+#define USE_SOCKETS
+#include "apps.h"
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include <openssl/x509.h>
+#include <openssl/ssl.h>
+#include <openssl/rand.h>
+#ifndef OPENSSL_NO_DH
+#include <openssl/dh.h>
+#endif
+#ifndef OPENSSL_NO_RSA
+#include <openssl/rsa.h>
+#endif
+#include "s_apps.h"
+#include "timeouts.h"
+
+#ifdef OPENSSL_SYS_WINCE
+/* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
+#ifdef fileno
+#undef fileno
+#endif
+#define fileno(a) (int)_fileno(a)
+#endif
+
+#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
+/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
+#undef FIONBIO
+#endif
+
+#ifndef OPENSSL_NO_RSA
+static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
+#endif
+static int sv_body(char *hostname, int s, unsigned char *context);
+static int www_body(char *hostname, int s, unsigned char *context);
+static void close_accept_socket(void );
+static void sv_usage(void);
+static int init_ssl_connection(SSL *s);
+static void print_stats(BIO *bp,SSL_CTX *ctx);
+static int generate_session_id(const SSL *ssl, unsigned char *id,
+ unsigned int *id_len);
+#ifndef OPENSSL_NO_DH
+static DH *load_dh_param(const char *dhfile);
+static DH *get_dh512(void);
+#endif
+
+#ifdef MONOLITH
+static void s_server_init(void);
+#endif
+
+#ifndef S_ISDIR
+# if defined(_S_IFMT) && defined(_S_IFDIR)
+# define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
+# else
+# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
+# endif
+#endif
+
+#ifndef OPENSSL_NO_DH
+static unsigned char dh512_p[]={
+ 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
+ 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
+ 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
+ 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
+ 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
+ 0x47,0x74,0xE8,0x33,
+ };
+static unsigned char dh512_g[]={
+ 0x02,
+ };
+
+static DH *get_dh512(void)
+ {
+ DH *dh=NULL;
+
+ 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);
+ }
+#endif
+
+
+/* static int load_CA(SSL_CTX *ctx, char *file);*/
+
+#undef BUFSIZZ
+#define BUFSIZZ 16*1024
+static int bufsize=BUFSIZZ;
+static int accept_socket= -1;
+
+#define TEST_CERT "server.pem"
+#undef PROG
+#define PROG s_server_main
+
+extern int verify_depth;
+
+static char *cipher=NULL;
+static int s_server_verify=SSL_VERIFY_NONE;
+static int s_server_session_id_context = 1; /* anything will do */
+static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
+static char *s_dcert_file=NULL,*s_dkey_file=NULL;
+#ifdef FIONBIO
+static int s_nbio=0;
+#endif
+static int s_nbio_test=0;
+int s_crlf=0;
+static SSL_CTX *ctx=NULL;
+static int www=0;
+
+static BIO *bio_s_out=NULL;
+static int s_debug=0;
+static int s_msg=0;
+static int s_quiet=0;
+
+static int hack=0;
+#ifndef OPENSSL_NO_ENGINE
+static char *engine_id=NULL;
+#endif
+static const char *session_id_prefix=NULL;
+
+static int enable_timeouts = 0;
+#ifdef mtu
+#undef mtu
+#endif
+static long mtu;
+static int cert_chain = 0;
+
+
+#ifdef MONOLITH
+static void s_server_init(void)
+ {
+ accept_socket=-1;
+ cipher=NULL;
+ s_server_verify=SSL_VERIFY_NONE;
+ s_dcert_file=NULL;
+ s_dkey_file=NULL;
+ s_cert_file=TEST_CERT;
+ s_key_file=NULL;
+#ifdef FIONBIO
+ s_nbio=0;
+#endif
+ s_nbio_test=0;
+ ctx=NULL;
+ www=0;
+
+ bio_s_out=NULL;
+ s_debug=0;
+ s_msg=0;
+ s_quiet=0;
+ hack=0;
+#ifndef OPENSSL_NO_ENGINE
+ engine_id=NULL;
+#endif
+ }
+#endif
+
+static void sv_usage(void)
+ {
+ BIO_printf(bio_err,"usage: s_server [args ...]\n");
+ BIO_printf(bio_err,"\n");
+ BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
+ BIO_printf(bio_err," -context arg - set session ID context\n");
+ BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
+ BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
+ BIO_printf(bio_err," -cert arg - certificate file to use\n");
+ BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
+ BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
+ BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n");
+ BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
+ BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
+ BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
+ BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
+ BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n");
+ BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
+ BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
+ BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n");
+ BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
+ BIO_printf(bio_err," or a default set of parameters is used\n");
+#ifndef OPENSSL_NO_ECDH
+ BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
+ " Use \"openssl ecparam -list_curves\" for all names\n" \
+ " (default is sect163r2).\n");
+#endif
+#ifdef FIONBIO
+ BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
+#endif
+ BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
+ BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
+ BIO_printf(bio_err," -debug - Print more output\n");
+ BIO_printf(bio_err," -msg - Show protocol messages\n");
+ BIO_printf(bio_err," -state - Print the SSL states\n");
+ BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
+ BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
+ BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
+ BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
+ BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
+ BIO_printf(bio_err," -quiet - No server output\n");
+ BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
+ BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
+ BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
+ BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
+ BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n");
+ BIO_printf(bio_err," -timeout - Enable timeouts\n");
+ BIO_printf(bio_err," -mtu - Set MTU\n");
+ BIO_printf(bio_err," -chain - Read a certificate chain\n");
+ BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
+ BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
+ BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
+#ifndef OPENSSL_NO_DH
+ BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
+#endif
+#ifndef OPENSSL_NO_ECDH
+ BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n");
+#endif
+ BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
+ BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
+ BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
+ BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
+ BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
+#ifndef OPENSSL_NO_ENGINE
+ BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
+#endif
+ BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
+ BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
+ }
+
+static int local_argc=0;
+static char **local_argv;
+
+#ifdef CHARSET_EBCDIC
+static int ebcdic_new(BIO *bi);
+static int ebcdic_free(BIO *a);
+static int ebcdic_read(BIO *b, char *out, int outl);
+static int ebcdic_write(BIO *b, const char *in, int inl);
+static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
+static int ebcdic_gets(BIO *bp, char *buf, int size);
+static int ebcdic_puts(BIO *bp, const char *str);
+
+#define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
+static BIO_METHOD methods_ebcdic=
+ {
+ BIO_TYPE_EBCDIC_FILTER,
+ "EBCDIC/ASCII filter",
+ ebcdic_write,
+ ebcdic_read,
+ ebcdic_puts,
+ ebcdic_gets,
+ ebcdic_ctrl,
+ ebcdic_new,
+ ebcdic_free,
+ };
+
+typedef struct
+{
+ size_t alloced;
+ char buff[1];
+} EBCDIC_OUTBUFF;
+
+BIO_METHOD *BIO_f_ebcdic_filter()
+{
+ return(&methods_ebcdic);
+}
+
+static int ebcdic_new(BIO *bi)
+{
+ EBCDIC_OUTBUFF *wbuf;
+
+ wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
+ wbuf->alloced = 1024;
+ wbuf->buff[0] = '\0';
+
+ bi->ptr=(char *)wbuf;
+ bi->init=1;
+ bi->flags=0;
+ return(1);
+}
+
+static int ebcdic_free(BIO *a)
+{
+ if (a == NULL) return(0);
+ if (a->ptr != NULL)
+ OPENSSL_free(a->ptr);
+ a->ptr=NULL;
+ a->init=0;
+ a->flags=0;
+ return(1);
+}
+
+static int ebcdic_read(BIO *b, char *out, int outl)
+{
+ int ret=0;
+
+ if (out == NULL || outl == 0) return(0);
+ if (b->next_bio == NULL) return(0);
+
+ ret=BIO_read(b->next_bio,out,outl);
+ if (ret > 0)
+ ascii2ebcdic(out,out,ret);
+ return(ret);
+}
+
+static int ebcdic_write(BIO *b, const char *in, int inl)
+{
+ EBCDIC_OUTBUFF *wbuf;
+ int ret=0;
+ int num;
+ unsigned char n;
+
+ if ((in == NULL) || (inl <= 0)) return(0);
+ if (b->next_bio == NULL) return(0);
+
+ wbuf=(EBCDIC_OUTBUFF *)b->ptr;
+
+ if (inl > (num = wbuf->alloced))
+ {
+ num = num + num; /* double the size */
+ if (num < inl)
+ num = inl;
+ OPENSSL_free(wbuf);
+ wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
+
+ wbuf->alloced = num;
+ wbuf->buff[0] = '\0';
+
+ b->ptr=(char *)wbuf;
+ }
+
+ ebcdic2ascii(wbuf->buff, in, inl);
+
+ ret=BIO_write(b->next_bio, wbuf->buff, inl);
+
+ return(ret);
+}
+
+static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+ long ret;
+
+ if (b->next_bio == NULL) return(0);
+ switch (cmd)
+ {
+ case BIO_CTRL_DUP:
+ ret=0L;
+ break;
+ default:
+ ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+ break;
+ }
+ return(ret);
+}
+
+static int ebcdic_gets(BIO *bp, char *buf, int size)
+{
+ int i, ret=0;
+ if (bp->next_bio == NULL) return(0);
+/* return(BIO_gets(bp->next_bio,buf,size));*/
+ for (i=0; i<size-1; ++i)
+ {
+ ret = ebcdic_read(bp,&buf[i],1);
+ if (ret <= 0)
+ break;
+ else if (buf[i] == '\n')
+ {
+ ++i;
+ break;
+ }
+ }
+ if (i < size)
+ buf[i] = '\0';
+ return (ret < 0 && i == 0) ? ret : i;
+}
+
+static int ebcdic_puts(BIO *bp, const char *str)
+{
+ if (bp->next_bio == NULL) return(0);
+ return ebcdic_write(bp, str, strlen(str));
+}
+#endif
+
+int MAIN(int, char **);
+
+int MAIN(int argc, char *argv[])
+ {
+ X509_STORE *store = NULL;
+ int vflags = 0;
+ short port=PORT;
+ char *CApath=NULL,*CAfile=NULL;
+ unsigned char *context = NULL;
+ char *dhfile = NULL;
+#ifndef OPENSSL_NO_ECDH
+ char *named_curve = NULL;
+#endif
+ int badop=0,bugs=0;
+ int ret=1;
+ int off=0;
+ int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
+ int state=0;
+ SSL_METHOD *meth=NULL;
+#ifdef sock_type
+#undef sock_type
+#endif
+ int sock_type=SOCK_STREAM;
+#ifndef OPENSSL_NO_ENGINE
+ ENGINE *e=NULL;
+#endif
+ char *inrand=NULL;
+ int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
+ char *passarg = NULL, *pass = NULL;
+ char *dpassarg = NULL, *dpass = NULL;
+ int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
+ X509 *s_cert = NULL, *s_dcert = NULL;
+ EVP_PKEY *s_key = NULL, *s_dkey = NULL;
+
+#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
+ meth=SSLv23_server_method();
+#elif !defined(OPENSSL_NO_SSL3)
+ meth=SSLv3_server_method();
+#elif !defined(OPENSSL_NO_SSL2)
+ meth=SSLv2_server_method();
+#endif
+
+ local_argc=argc;
+ local_argv=argv;
+
+ apps_startup();
+#ifdef MONOLITH
+ s_server_init();
+#endif
+
+ if (bio_err == NULL)
+ bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
+
+ if (!load_config(bio_err, NULL))
+ goto end;
+
+ verify_depth=0;
+#ifdef FIONBIO
+ s_nbio=0;
+#endif
+ s_nbio_test=0;
+
+ argc--;
+ argv++;
+
+ while (argc >= 1)
+ {
+ if ((strcmp(*argv,"-port") == 0) ||
+ (strcmp(*argv,"-accept") == 0))
+ {
+ if (--argc < 1) goto bad;
+ if (!extract_port(*(++argv),&port))
+ goto bad;
+ }
+ else if (strcmp(*argv,"-verify") == 0)
+ {
+ s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
+ if (--argc < 1) goto bad;
+ verify_depth=atoi(*(++argv));
+ BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
+ }
+ else if (strcmp(*argv,"-Verify") == 0)
+ {
+ s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
+ SSL_VERIFY_CLIENT_ONCE;
+ if (--argc < 1) goto bad;
+ verify_depth=atoi(*(++argv));
+ BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
+ }
+ else if (strcmp(*argv,"-context") == 0)
+ {
+ if (--argc < 1) goto bad;
+ context= (unsigned char *)*(++argv);
+ }
+ else if (strcmp(*argv,"-cert") == 0)
+ {
+ if (--argc < 1) goto bad;
+ s_cert_file= *(++argv);
+ }
+ else if (strcmp(*argv,"-certform") == 0)
+ {
+ if (--argc < 1) goto bad;
+ s_cert_format = str2fmt(*(++argv));
+ }
+ else if (strcmp(*argv,"-key") == 0)
+ {
+ if (--argc < 1) goto bad;
+ s_key_file= *(++argv);
+ }
+ else if (strcmp(*argv,"-keyform") == 0)
+ {
+ if (--argc < 1) goto bad;
+ s_key_format = str2fmt(*(++argv));
+ }
+ else if (strcmp(*argv,"-pass") == 0)
+ {
+ if (--argc < 1) goto bad;
+ passarg = *(++argv);
+ }
+ else if (strcmp(*argv,"-dhparam") == 0)
+ {
+ if (--argc < 1) goto bad;
+ dhfile = *(++argv);
+ }
+#ifndef OPENSSL_NO_ECDH
+ else if (strcmp(*argv,"-named_curve") == 0)
+ {
+ if (--argc < 1) goto bad;
+ named_curve = *(++argv);
+ }
+#endif
+ else if (strcmp(*argv,"-dcertform") == 0)
+ {
+ if (--argc < 1) goto bad;
+ s_dcert_format = str2fmt(*(++argv));
+ }
+ else if (strcmp(*argv,"-dcert") == 0)
+ {
+ if (--argc < 1) goto bad;
+ s_dcert_file= *(++argv);
+ }
+ else if (strcmp(*argv,"-dkeyform") == 0)
+ {
+ if (--argc < 1) goto bad;
+ s_dkey_format = str2fmt(*(++argv));
+ }
+ else if (strcmp(*argv,"-dpass") == 0)
+ {
+ if (--argc < 1) goto bad;
+ dpassarg = *(++argv);
+ }
+ else if (strcmp(*argv,"-dkey") == 0)
+ {
+ if (--argc < 1) goto bad;
+ s_dkey_file= *(++argv);
+ }
+ else if (strcmp(*argv,"-nocert") == 0)
+ {
+ nocert=1;
+ }
+ else if (strcmp(*argv,"-CApath") == 0)
+ {
+ if (--argc < 1) goto bad;
+ CApath= *(++argv);
+ }
+ else if (strcmp(*argv,"-crl_check") == 0)
+ {
+ vflags |= X509_V_FLAG_CRL_CHECK;
+ }
+ else if (strcmp(*argv,"-crl_check") == 0)
+ {
+ vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
+ }
+ else if (strcmp(*argv,"-serverpref") == 0)
+ { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
+ else if (strcmp(*argv,"-cipher") == 0)
+ {
+ if (--argc < 1) goto bad;
+ cipher= *(++argv);
+ }
+ else if (strcmp(*argv,"-CAfile") == 0)
+ {
+ if (--argc < 1) goto bad;
+ CAfile= *(++argv);
+ }
+#ifdef FIONBIO
+ else if (strcmp(*argv,"-nbio") == 0)
+ { s_nbio=1; }
+#endif
+ else if (strcmp(*argv,"-nbio_test") == 0)
+ {
+#ifdef FIONBIO
+ s_nbio=1;
+#endif
+ s_nbio_test=1;
+ }
+ else if (strcmp(*argv,"-debug") == 0)
+ { s_debug=1; }
+ else if (strcmp(*argv,"-msg") == 0)
+ { s_msg=1; }
+ else if (strcmp(*argv,"-hack") == 0)
+ { hack=1; }
+ else if (strcmp(*argv,"-state") == 0)
+ { state=1; }
+ else if (strcmp(*argv,"-crlf") == 0)
+ { s_crlf=1; }
+ else if (strcmp(*argv,"-quiet") == 0)
+ { s_quiet=1; }
+ else if (strcmp(*argv,"-bugs") == 0)
+ { bugs=1; }
+ else if (strcmp(*argv,"-no_tmp_rsa") == 0)
+ { no_tmp_rsa=1; }
+ else if (strcmp(*argv,"-no_dhe") == 0)
+ { no_dhe=1; }
+ else if (strcmp(*argv,"-no_ecdhe") == 0)
+ { no_ecdhe=1; }
+ else if (strcmp(*argv,"-www") == 0)
+ { www=1; }
+ else if (strcmp(*argv,"-WWW") == 0)
+ { www=2; }
+ else if (strcmp(*argv,"-HTTP") == 0)
+ { www=3; }
+ else if (strcmp(*argv,"-no_ssl2") == 0)
+ { off|=SSL_OP_NO_SSLv2; }
+ else if (strcmp(*argv,"-no_ssl3") == 0)
+ { off|=SSL_OP_NO_SSLv3; }
+ else if (strcmp(*argv,"-no_tls1") == 0)
+ { off|=SSL_OP_NO_TLSv1; }
+#ifndef OPENSSL_NO_SSL2
+ else if (strcmp(*argv,"-ssl2") == 0)
+ { meth=SSLv2_server_method(); }
+#endif
+#ifndef OPENSSL_NO_SSL3
+ else if (strcmp(*argv,"-ssl3") == 0)
+ { meth=SSLv3_server_method(); }
+#endif
+#ifndef OPENSSL_NO_TLS1
+ else if (strcmp(*argv,"-tls1") == 0)
+ { meth=TLSv1_server_method(); }
+#endif
+#ifndef OPENSSL_NO_DTLS1
+ else if (strcmp(*argv,"-dtls1") == 0)
+ {
+ meth=DTLSv1_server_method();
+ sock_type = SOCK_DGRAM;
+ }
+ else if (strcmp(*argv,"-timeout") == 0)
+ enable_timeouts = 1;
+ else if (strcmp(*argv,"-mtu") == 0)
+ {
+ if (--argc < 1) goto bad;
+ mtu = atol(*(++argv));
+ }
+ else if (strcmp(*argv, "-chain") == 0)
+ cert_chain = 1;
+#endif
+ else if (strcmp(*argv, "-id_prefix") == 0)
+ {
+ if (--argc < 1) goto bad;
+ session_id_prefix = *(++argv);
+ }
+#ifndef OPENSSL_NO_ENGINE
+ else if (strcmp(*argv,"-engine") == 0)
+ {
+ if (--argc < 1) goto bad;
+ engine_id= *(++argv);
+ }
+#endif
+ else if (strcmp(*argv,"-rand") == 0)
+ {
+ if (--argc < 1) goto bad;
+ inrand= *(++argv);
+ }
+ else
+ {
+ BIO_printf(bio_err,"unknown option %s\n",*argv);
+ badop=1;
+ break;
+ }
+ argc--;
+ argv++;
+ }
+ if (badop)
+ {
+bad:
+ sv_usage();
+ goto end;
+ }
+
+ SSL_load_error_strings();
+ OpenSSL_add_ssl_algorithms();
+
+#ifndef OPENSSL_NO_ENGINE
+ e = setup_engine(bio_err, engine_id, 1);
+#endif
+
+ if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
+ {
+ BIO_printf(bio_err, "Error getting password\n");
+ goto end;
+ }
+
+
+ if (s_key_file == NULL)
+ s_key_file = s_cert_file;
+
+ if (nocert == 0)
+ {
+ s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
+ "server certificate private key file");
+ if (!s_key)
+ {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
+ NULL, e, "server certificate file");
+
+ if (!s_cert)
+ {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+
+ if (s_dcert_file)
+ {
+
+ if (s_dkey_file == NULL)
+ s_dkey_file = s_dcert_file;
+
+ s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
+ 0, dpass, e,
+ "second certificate private key file");
+ if (!s_dkey)
+ {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
+ NULL, e, "second server certificate file");
+
+ if (!s_dcert)
+ {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ }
+
+ if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
+ && !RAND_status())
+ {
+ BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
+ }
+ if (inrand != NULL)
+ BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
+ app_RAND_load_files(inrand));
+
+ if (bio_s_out == NULL)
+ {
+ if (s_quiet && !s_debug && !s_msg)
+ {
+ bio_s_out=BIO_new(BIO_s_null());
+ }
+ else
+ {
+ if (bio_s_out == NULL)
+ bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
+ }
+ }
+
+#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
+ if (nocert)
+#endif
+ {
+ s_cert_file=NULL;
+ s_key_file=NULL;
+ s_dcert_file=NULL;
+ s_dkey_file=NULL;
+ }
+
+ ctx=SSL_CTX_new(meth);
+ if (ctx == NULL)
+ {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ if (session_id_prefix)
+ {
+ if(strlen(session_id_prefix) >= 32)
+ BIO_printf(bio_err,
+"warning: id_prefix is too long, only one new session will be possible\n");
+ else if(strlen(session_id_prefix) >= 16)
+ BIO_printf(bio_err,
+"warning: id_prefix is too long if you use SSLv2\n");
+ if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
+ {
+ BIO_printf(bio_err,"error setting 'id_prefix'\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
+ }
+ SSL_CTX_set_quiet_shutdown(ctx,1);
+ if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
+ if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
+ SSL_CTX_set_options(ctx,off);
+ /* DTLS: partial reads end up discarding unread UDP bytes :-(
+ * Setting read ahead solves this problem.
+ */
+ if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
+
+ if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
+
+ SSL_CTX_sess_set_cache_size(ctx,128);
+
+#if 0
+ if (cipher == NULL) cipher=getenv("SSL_CIPHER");
+#endif
+
+#if 0
+ if (s_cert_file == NULL)
+ {
+ BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
+ goto end;
+ }
+#endif
+
+ if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
+ (!SSL_CTX_set_default_verify_paths(ctx)))
+ {
+ /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
+ ERR_print_errors(bio_err);
+ /* goto end; */
+ }
+ store = SSL_CTX_get_cert_store(ctx);
+ X509_STORE_set_flags(store, vflags);
+
+#ifndef OPENSSL_NO_DH
+ if (!no_dhe)
+ {
+ DH *dh=NULL;
+
+ if (dhfile)
+ dh = load_dh_param(dhfile);
+ else if (s_cert_file)
+ dh = load_dh_param(s_cert_file);
+
+ if (dh != NULL)
+ {
+ BIO_printf(bio_s_out,"Setting temp DH parameters\n");
+ }
+ else
+ {
+ BIO_printf(bio_s_out,"Using default temp DH parameters\n");
+ dh=get_dh512();
+ }
+ (void)BIO_flush(bio_s_out);
+
+ SSL_CTX_set_tmp_dh(ctx,dh);
+ DH_free(dh);
+ }
+#endif
+
+#ifndef OPENSSL_NO_ECDH
+ if (!no_ecdhe)
+ {
+ EC_KEY *ecdh=NULL;
+
+ if (named_curve)
+ {
+ int nid = OBJ_sn2nid(named_curve);
+
+ if (nid == 0)
+ {
+ BIO_printf(bio_err, "unknown curve name (%s)\n",
+ named_curve);
+ goto end;
+ }
+ ecdh = EC_KEY_new_by_curve_name(nid);
+ if (ecdh == NULL)
+ {
+ BIO_printf(bio_err, "unable to create curve (%s)\n",
+ named_curve);
+ goto end;
+ }
+ }
+
+ if (ecdh != NULL)
+ {
+ BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
+ }
+ else
+ {
+ BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
+ ecdh = EC_KEY_new_by_curve_name(NID_sect163r2);
+ if (ecdh == NULL)
+ {
+ BIO_printf(bio_err, "unable to create curve (sect163r2)\n");
+ goto end;
+ }
+ }
+ (void)BIO_flush(bio_s_out);
+
+ SSL_CTX_set_tmp_ecdh(ctx,ecdh);
+ EC_KEY_free(ecdh);
+ }
+#endif
+
+ if (!set_cert_key_stuff(ctx,s_cert,s_key))
+ goto end;
+ if (s_dcert != NULL)
+ {
+ if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
+ goto end;
+ }
+
+#ifndef OPENSSL_NO_RSA
+#if 1
+ if (!no_tmp_rsa)
+ SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
+#else
+ if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
+ {
+ RSA *rsa;
+
+ BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
+ BIO_flush(bio_s_out);
+
+ rsa=RSA_generate_key(512,RSA_F4,NULL);
+
+ if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
+ {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ RSA_free(rsa);
+ BIO_printf(bio_s_out,"\n");
+ }
+#endif
+#endif
+
+ if (cipher != NULL)
+ if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
+ BIO_printf(bio_err,"error setting cipher list\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
+ SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
+ sizeof s_server_session_id_context);
+
+ if (CAfile != NULL)
+ SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
+
+ BIO_printf(bio_s_out,"ACCEPT\n");
+ if (www)
+ do_server(port,sock_type,&accept_socket,www_body, context);
+ else
+ do_server(port,sock_type,&accept_socket,sv_body, context);
+ print_stats(bio_s_out,ctx);
+ ret=0;
+end:
+ if (ctx != NULL) SSL_CTX_free(ctx);
+ if (s_cert)
+ X509_free(s_cert);
+ if (s_dcert)
+ X509_free(s_dcert);
+ if (s_key)
+ EVP_PKEY_free(s_key);
+ if (s_dkey)
+ EVP_PKEY_free(s_dkey);
+ if (pass)
+ OPENSSL_free(pass);
+ if (dpass)
+ OPENSSL_free(dpass);
+ if (bio_s_out != NULL)
+ {
+ BIO_free(bio_s_out);
+ bio_s_out=NULL;
+ }
+ apps_shutdown();
+ OPENSSL_EXIT(ret);
+ }
+
+static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
+ {
+ BIO_printf(bio,"%4ld items in the session cache\n",
+ SSL_CTX_sess_number(ssl_ctx));
+ BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
+ SSL_CTX_sess_connect(ssl_ctx));
+ BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
+ SSL_CTX_sess_connect_renegotiate(ssl_ctx));
+ BIO_printf(bio,"%4ld client connects that finished\n",
+ SSL_CTX_sess_connect_good(ssl_ctx));
+ BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
+ SSL_CTX_sess_accept(ssl_ctx));
+ BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
+ SSL_CTX_sess_accept_renegotiate(ssl_ctx));
+ BIO_printf(bio,"%4ld server accepts that finished\n",
+ SSL_CTX_sess_accept_good(ssl_ctx));
+ BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
+ BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
+ BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
+ BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
+ BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
+ SSL_CTX_sess_cache_full(ssl_ctx),
+ SSL_CTX_sess_get_cache_size(ssl_ctx));
+ }
+
+static int sv_body(char *hostname, int s, unsigned char *context)
+ {
+ char *buf=NULL;
+ fd_set readfds;
+ int ret=1,width;
+ int k,i;
+ unsigned long l;
+ SSL *con=NULL;
+ BIO *sbio;
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
+ struct timeval tv;
+#endif
+
+ if ((buf=OPENSSL_malloc(bufsize)) == NULL)
+ {
+ BIO_printf(bio_err,"out of memory\n");
+ goto err;
+ }
+#ifdef FIONBIO
+ if (s_nbio)
+ {
+ unsigned long sl=1;
+
+ if (!s_quiet)
+ BIO_printf(bio_err,"turning on non blocking io\n");
+ if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
+ ERR_print_errors(bio_err);
+ }
+#endif
+
+ if (con == NULL) {
+ con=SSL_new(ctx);
+#ifndef OPENSSL_NO_KRB5
+ if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
+ {
+ kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
+ KRB5SVC);
+ kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
+ KRB5KEYTAB);
+ }
+#endif /* OPENSSL_NO_KRB5 */
+ if(context)
+ SSL_set_session_id_context(con, context,
+ strlen((char *)context));
+ }
+ SSL_clear(con);
+
+ if (SSL_version(con) == DTLS1_VERSION)
+ {
+ struct timeval timeout;
+
+ sbio=BIO_new_dgram(s,BIO_NOCLOSE);
+
+ if ( enable_timeouts)
+ {
+ timeout.tv_sec = 0;
+ timeout.tv_usec = DGRAM_RCV_TIMEOUT;
+ BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
+
+ timeout.tv_sec = 0;
+ timeout.tv_usec = DGRAM_SND_TIMEOUT;
+ BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
+ }
+
+
+ if ( mtu > 0)
+ {
+ SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
+ SSL_set_mtu(con, mtu);
+ }
+ else
+ /* want to do MTU discovery */
+ BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
+
+ /* turn on cookie exchange */
+ SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
+ }
+ else
+ sbio=BIO_new_socket(s,BIO_NOCLOSE);
+
+ if (s_nbio_test)
+ {
+ BIO *test;
+
+ test=BIO_new(BIO_f_nbio_test());
+ sbio=BIO_push(test,sbio);
+ }
+ SSL_set_bio(con,sbio,sbio);
+ SSL_set_accept_state(con);
+ /* SSL_set_fd(con,s); */
+
+ if (s_debug)
+ {
+ con->debug=1;
+ BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
+ BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
+ }
+ if (s_msg)
+ {
+ SSL_set_msg_callback(con, msg_cb);
+ SSL_set_msg_callback_arg(con, bio_s_out);
+ }
+
+ width=s+1;
+ for (;;)
+ {
+ int read_from_terminal;
+ int read_from_sslcon;
+
+ read_from_terminal = 0;
+ read_from_sslcon = SSL_pending(con);
+
+ if (!read_from_sslcon)
+ {
+ FD_ZERO(&readfds);
+#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
+ FD_SET(fileno(stdin),&readfds);
+#endif
+ FD_SET(s,&readfds);
+ /* Note: under VMS with SOCKETSHR the second parameter is
+ * currently of type (int *) whereas under other systems
+ * it is (void *) if you don't have a cast it will choke
+ * the compiler: if you do have a cast then you can either
+ * go for (int *) or (void *).
+ */
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
+ /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
+ * on sockets. As a workaround we timeout the select every
+ * second and check for any keypress. In a proper Windows
+ * application we wouldn't do this because it is inefficient.
+ */
+ tv.tv_sec = 1;
+ tv.tv_usec = 0;
+ i=select(width,(void *)&readfds,NULL,NULL,&tv);
+ if((i < 0) || (!i && !_kbhit() ) )continue;
+ if(_kbhit())
+ read_from_terminal = 1;
+#else
+ i=select(width,(void *)&readfds,NULL,NULL,NULL);
+ if (i <= 0) continue;
+ if (FD_ISSET(fileno(stdin),&readfds))
+ read_from_terminal = 1;
+#endif
+ if (FD_ISSET(s,&readfds))
+ read_from_sslcon = 1;
+ }
+ if (read_from_terminal)
+ {
+ if (s_crlf)
+ {
+ int j, lf_num;
+
+ i=read(fileno(stdin), buf, bufsize/2);
+ lf_num = 0;
+ /* both loops are skipped when i <= 0 */
+ for (j = 0; j < i; j++)
+ if (buf[j] == '\n')
+ lf_num++;
+ for (j = i-1; j >= 0; j--)
+ {
+ buf[j+lf_num] = buf[j];
+ if (buf[j] == '\n')
+ {
+ lf_num--;
+ i++;
+ buf[j+lf_num] = '\r';
+ }
+ }
+ assert(lf_num == 0);
+ }
+ else
+ i=read(fileno(stdin),buf,bufsize);
+ if (!s_quiet)
+ {
+ if ((i <= 0) || (buf[0] == 'Q'))
+ {
+ BIO_printf(bio_s_out,"DONE\n");
+ SHUTDOWN(s);
+ close_accept_socket();
+ ret= -11;
+ goto err;
+ }
+ if ((i <= 0) || (buf[0] == 'q'))
+ {
+ BIO_printf(bio_s_out,"DONE\n");
+ if (SSL_version(con) != DTLS1_VERSION)
+ SHUTDOWN(s);
+ /* close_accept_socket();
+ ret= -11;*/
+ goto err;
+ }
+ if ((buf[0] == 'r') &&
+ ((buf[1] == '\n') || (buf[1] == '\r')))
+ {
+ SSL_renegotiate(con);
+ i=SSL_do_handshake(con);
+ printf("SSL_do_handshake -> %d\n",i);
+ i=0; /*13; */
+ continue;
+ /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
+ }
+ if ((buf[0] == 'R') &&
+ ((buf[1] == '\n') || (buf[1] == '\r')))
+ {
+ SSL_set_verify(con,
+ SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
+ SSL_renegotiate(con);
+ i=SSL_do_handshake(con);
+ printf("SSL_do_handshake -> %d\n",i);
+ i=0; /* 13; */
+ continue;
+ /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
+ }
+ if (buf[0] == 'P')
+ {
+ static const char *str="Lets print some clear text\n";
+ BIO_write(SSL_get_wbio(con),str,strlen(str));
+ }
+ if (buf[0] == 'S')
+ {
+ print_stats(bio_s_out,SSL_get_SSL_CTX(con));
+ }
+ }
+#ifdef CHARSET_EBCDIC
+ ebcdic2ascii(buf,buf,i);
+#endif
+ l=k=0;
+ for (;;)
+ {
+ /* should do a select for the write */
+#ifdef RENEG
+{ static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
+#endif
+ k=SSL_write(con,&(buf[l]),(unsigned int)i);
+ switch (SSL_get_error(con,k))
+ {
+ case SSL_ERROR_NONE:
+ break;
+ case SSL_ERROR_WANT_WRITE:
+ case SSL_ERROR_WANT_READ:
+ case SSL_ERROR_WANT_X509_LOOKUP:
+ BIO_printf(bio_s_out,"Write BLOCK\n");
+ break;
+ case SSL_ERROR_SYSCALL:
+ case SSL_ERROR_SSL:
+ BIO_printf(bio_s_out,"ERROR\n");
+ ERR_print_errors(bio_err);
+ ret=1;
+ goto err;
+ /* break; */
+ case SSL_ERROR_ZERO_RETURN:
+ BIO_printf(bio_s_out,"DONE\n");
+ ret=1;
+ goto err;
+ }
+ l+=k;
+ i-=k;
+ if (i <= 0) break;
+ }
+ }
+ if (read_from_sslcon)
+ {
+ if (!SSL_is_init_finished(con))
+ {
+ i=init_ssl_connection(con);
+
+ if (i < 0)
+ {
+ ret=0;
+ goto err;
+ }
+ else if (i == 0)
+ {
+ ret=1;
+ goto err;
+ }
+ }
+ else
+ {
+again:
+ i=SSL_read(con,(char *)buf,bufsize);
+ switch (SSL_get_error(con,i))
+ {
+ case SSL_ERROR_NONE:
+#ifdef CHARSET_EBCDIC
+ ascii2ebcdic(buf,buf,i);
+#endif
+ write(fileno(stdout),buf,
+ (unsigned int)i);
+ if (SSL_pending(con)) goto again;
+ break;
+ case SSL_ERROR_WANT_WRITE:
+ case SSL_ERROR_WANT_READ:
+ case SSL_ERROR_WANT_X509_LOOKUP:
+ BIO_printf(bio_s_out,"Read BLOCK\n");
+ break;
+ case SSL_ERROR_SYSCALL:
+ case SSL_ERROR_SSL:
+ BIO_printf(bio_s_out,"ERROR\n");
+ ERR_print_errors(bio_err);
+ ret=1;
+ goto err;
+ case SSL_ERROR_ZERO_RETURN:
+ BIO_printf(bio_s_out,"DONE\n");
+ ret=1;
+ goto err;
+ }
+ }
+ }
+ }
+err:
+ BIO_printf(bio_s_out,"shutting down SSL\n");
+#if 1
+ SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
+#else
+ SSL_shutdown(con);
+#endif
+ if (con != NULL) SSL_free(con);
+ BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
+ if (buf != NULL)
+ {
+ OPENSSL_cleanse(buf,bufsize);
+ OPENSSL_free(buf);
+ }
+ if (ret >= 0)
+ BIO_printf(bio_s_out,"ACCEPT\n");
+ return(ret);
+ }
+
+static void close_accept_socket(void)
+ {
+ BIO_printf(bio_err,"shutdown accept socket\n");
+ if (accept_socket >= 0)
+ {
+ SHUTDOWN2(accept_socket);
+ }
+ }
+
+static int init_ssl_connection(SSL *con)
+ {
+ int i;
+ const char *str;
+ X509 *peer;
+ long verify_error;
+ MS_STATIC char buf[BUFSIZ];
+
+ if ((i=SSL_accept(con)) <= 0)
+ {
+ if (BIO_sock_should_retry(i))
+ {
+ BIO_printf(bio_s_out,"DELAY\n");
+ return(1);
+ }
+
+ BIO_printf(bio_err,"ERROR\n");
+ verify_error=SSL_get_verify_result(con);
+ if (verify_error != X509_V_OK)
+ {
+ BIO_printf(bio_err,"verify error:%s\n",
+ X509_verify_cert_error_string(verify_error));
+ }
+ else
+ ERR_print_errors(bio_err);
+ return(0);
+ }
+
+ PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
+
+ peer=SSL_get_peer_certificate(con);
+ if (peer != NULL)
+ {
+ BIO_printf(bio_s_out,"Client certificate\n");
+ PEM_write_bio_X509(bio_s_out,peer);
+ X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
+ BIO_printf(bio_s_out,"subject=%s\n",buf);
+ X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
+ BIO_printf(bio_s_out,"issuer=%s\n",buf);
+ X509_free(peer);
+ }
+
+ if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
+ BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
+ str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
+ BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
+ if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
+ if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
+ TLS1_FLAGS_TLS_PADDING_BUG)
+ BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
+#ifndef OPENSSL_NO_KRB5
+ if (con->kssl_ctx->client_princ != NULL)
+ {
+ BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
+ con->kssl_ctx->client_princ);
+ }
+#endif /* OPENSSL_NO_KRB5 */
+ return(1);
+ }
+
+#ifndef OPENSSL_NO_DH
+static DH *load_dh_param(const char *dhfile)
+ {
+ DH *ret=NULL;
+ BIO *bio;
+
+ if ((bio=BIO_new_file(dhfile,"r")) == NULL)
+ goto err;
+ ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
+err:
+ if (bio != NULL) BIO_free(bio);
+ return(ret);
+ }
+#endif
+
+#if 0
+static int load_CA(SSL_CTX *ctx, char *file)
+ {
+ FILE *in;
+ X509 *x=NULL;
+
+ if ((in=fopen(file,"r")) == NULL)
+ return(0);
+
+ for (;;)
+ {
+ if (PEM_read_X509(in,&x,NULL) == NULL)
+ break;
+ SSL_CTX_add_client_CA(ctx,x);
+ }
+ if (x != NULL) X509_free(x);
+ fclose(in);
+ return(1);
+ }
+#endif
+
+static int www_body(char *hostname, int s, unsigned char *context)
+ {
+ char *buf=NULL;
+ int ret=1;
+ int i,j,k,blank,dot;
+ struct stat st_buf;
+ SSL *con;
+ SSL_CIPHER *c;
+ BIO *io,*ssl_bio,*sbio;
+ long total_bytes;
+
+ buf=OPENSSL_malloc(bufsize);
+ if (buf == NULL) return(0);
+ io=BIO_new(BIO_f_buffer());
+ ssl_bio=BIO_new(BIO_f_ssl());
+ if ((io == NULL) || (ssl_bio == NULL)) goto err;
+
+#ifdef FIONBIO
+ if (s_nbio)
+ {
+ unsigned long sl=1;
+
+ if (!s_quiet)
+ BIO_printf(bio_err,"turning on non blocking io\n");
+ if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
+ ERR_print_errors(bio_err);
+ }
+#endif
+
+ /* lets make the output buffer a reasonable size */
+ if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
+
+ if ((con=SSL_new(ctx)) == NULL) goto err;
+#ifndef OPENSSL_NO_KRB5
+ if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
+ {
+ kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
+ kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
+ }
+#endif /* OPENSSL_NO_KRB5 */
+ if(context) SSL_set_session_id_context(con, context,
+ strlen((char *)context));
+
+ sbio=BIO_new_socket(s,BIO_NOCLOSE);
+ if (s_nbio_test)
+ {
+ BIO *test;
+
+ test=BIO_new(BIO_f_nbio_test());
+ sbio=BIO_push(test,sbio);
+ }
+ SSL_set_bio(con,sbio,sbio);
+ SSL_set_accept_state(con);
+
+ /* SSL_set_fd(con,s); */
+ BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
+ BIO_push(io,ssl_bio);
+#ifdef CHARSET_EBCDIC
+ io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
+#endif
+
+ if (s_debug)
+ {
+ con->debug=1;
+ BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
+ BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
+ }
+ if (s_msg)
+ {
+ SSL_set_msg_callback(con, msg_cb);
+ SSL_set_msg_callback_arg(con, bio_s_out);
+ }
+
+ blank=0;
+ for (;;)
+ {
+ if (hack)
+ {
+ i=SSL_accept(con);
+
+ switch (SSL_get_error(con,i))
+ {
+ case SSL_ERROR_NONE:
+ break;
+ case SSL_ERROR_WANT_WRITE:
+ case SSL_ERROR_WANT_READ:
+ case SSL_ERROR_WANT_X509_LOOKUP:
+ continue;
+ case SSL_ERROR_SYSCALL:
+ case SSL_ERROR_SSL:
+ case SSL_ERROR_ZERO_RETURN:
+ ret=1;
+ goto err;
+ /* break; */
+ }
+
+ SSL_renegotiate(con);
+ SSL_write(con,NULL,0);
+ }
+
+ i=BIO_gets(io,buf,bufsize-1);
+ if (i < 0) /* error */
+ {
+ if (!BIO_should_retry(io))
+ {
+ if (!s_quiet)
+ ERR_print_errors(bio_err);
+ goto err;
+ }
+ else
+ {
+ BIO_printf(bio_s_out,"read R BLOCK\n");
+#if defined(OPENSSL_SYS_NETWARE)
+ delay(1000);
+#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
+ sleep(1);
+#endif
+ continue;
+ }
+ }
+ else if (i == 0) /* end of input */
+ {
+ ret=1;
+ goto end;
+ }
+
+ /* else we have data */
+ if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
+ ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
+ {
+ char *p;
+ X509 *peer;
+ STACK_OF(SSL_CIPHER) *sk;
+ static const char *space=" ";
+
+ BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
+ BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
+ BIO_puts(io,"<pre>\n");
+/* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
+ BIO_puts(io,"\n");
+ for (i=0; i<local_argc; i++)
+ {
+ BIO_puts(io,local_argv[i]);
+ BIO_write(io," ",1);
+ }
+ BIO_puts(io,"\n");
+
+ /* The following is evil and should not really
+ * be done */
+ BIO_printf(io,"Ciphers supported in s_server binary\n");
+ sk=SSL_get_ciphers(con);
+ j=sk_SSL_CIPHER_num(sk);
+ for (i=0; i<j; i++)
+ {
+ c=sk_SSL_CIPHER_value(sk,i);
+ BIO_printf(io,"%-11s:%-25s",
+ SSL_CIPHER_get_version(c),
+ SSL_CIPHER_get_name(c));
+ if ((((i+1)%2) == 0) && (i+1 != j))
+ BIO_puts(io,"\n");
+ }
+ BIO_puts(io,"\n");
+ p=SSL_get_shared_ciphers(con,buf,bufsize);
+ if (p != NULL)
+ {
+ BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
+ j=i=0;
+ while (*p)
+ {
+ if (*p == ':')
+ {
+ BIO_write(io,space,26-j);
+ i++;
+ j=0;
+ BIO_write(io,((i%3)?" ":"\n"),1);
+ }
+ else
+ {
+ BIO_write(io,p,1);
+ j++;
+ }
+ p++;
+ }
+ BIO_puts(io,"\n");
+ }
+ BIO_printf(io,((con->hit)
+ ?"---\nReused, "
+ :"---\nNew, "));
+ c=SSL_get_current_cipher(con);
+ BIO_printf(io,"%s, Cipher is %s\n",
+ SSL_CIPHER_get_version(c),
+ SSL_CIPHER_get_name(c));
+ SSL_SESSION_print(io,SSL_get_session(con));
+ BIO_printf(io,"---\n");
+ print_stats(io,SSL_get_SSL_CTX(con));
+ BIO_printf(io,"---\n");
+ peer=SSL_get_peer_certificate(con);
+ if (peer != NULL)
+ {
+ BIO_printf(io,"Client certificate\n");
+ X509_print(io,peer);
+ PEM_write_bio_X509(io,peer);
+ }
+ else
+ BIO_puts(io,"no client certificate available\n");
+ BIO_puts(io,"</BODY></HTML>\r\n\r\n");
+ break;
+ }
+ else if ((www == 2 || www == 3)
+ && (strncmp("GET /",buf,5) == 0))
+ {
+ BIO *file;
+ char *p,*e;
+ static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
+
+ /* skip the '/' */
+ p= &(buf[5]);
+
+ dot = 1;
+ for (e=p; *e != '\0'; e++)
+ {
+ if (e[0] == ' ')
+ break;
+
+ switch (dot)
+ {
+ case 1:
+ dot = (e[0] == '.') ? 2 : 0;
+ break;
+ case 2:
+ dot = (e[0] == '.') ? 3 : 0;
+ break;
+ case 3:
+ dot = (e[0] == '/') ? -1 : 0;
+ break;
+ }
+ if (dot == 0)
+ dot = (e[0] == '/') ? 1 : 0;
+ }
+ dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
+
+ if (*e == '\0')
+ {
+ BIO_puts(io,text);
+ BIO_printf(io,"'%s' is an invalid file name\r\n",p);
+ break;
+ }
+ *e='\0';
+
+ if (dot)
+ {
+ BIO_puts(io,text);
+ BIO_printf(io,"'%s' contains '..' reference\r\n",p);
+ break;
+ }
+
+ if (*p == '/')
+ {
+ BIO_puts(io,text);
+ BIO_printf(io,"'%s' is an invalid path\r\n",p);
+ break;
+ }
+
+#if 0
+ /* append if a directory lookup */
+ if (e[-1] == '/')
+ strcat(p,"index.html");
+#endif
+
+ /* if a directory, do the index thang */
+ if (stat(p,&st_buf) < 0)
+ {
+ BIO_puts(io,text);
+ BIO_printf(io,"Error accessing '%s'\r\n",p);
+ ERR_print_errors(io);
+ break;
+ }
+ if (S_ISDIR(st_buf.st_mode))
+ {
+#if 0 /* must check buffer size */
+ strcat(p,"/index.html");
+#else
+ BIO_puts(io,text);
+ BIO_printf(io,"'%s' is a directory\r\n",p);
+ break;
+#endif
+ }
+
+ if ((file=BIO_new_file(p,"r")) == NULL)
+ {
+ BIO_puts(io,text);
+ BIO_printf(io,"Error opening '%s'\r\n",p);
+ ERR_print_errors(io);
+ break;
+ }
+
+ if (!s_quiet)
+ BIO_printf(bio_err,"FILE:%s\n",p);
+
+ if (www == 2)
+ {
+ i=strlen(p);
+ if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
+ ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
+ ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
+ BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
+ else
+ BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
+ }
+ /* send the file */
+ total_bytes=0;
+ for (;;)
+ {
+ i=BIO_read(file,buf,bufsize);
+ if (i <= 0) break;
+
+#ifdef RENEG
+ total_bytes+=i;
+ fprintf(stderr,"%d\n",i);
+ if (total_bytes > 3*1024)
+ {
+ total_bytes=0;
+ fprintf(stderr,"RENEGOTIATE\n");
+ SSL_renegotiate(con);
+ }
+#endif
+
+ for (j=0; j<i; )
+ {
+#ifdef RENEG
+{ static count=0; if (++count == 13) { SSL_renegotiate(con); } }
+#endif
+ k=BIO_write(io,&(buf[j]),i-j);
+ if (k <= 0)
+ {
+ if (!BIO_should_retry(io))
+ goto write_error;
+ else
+ {
+ BIO_printf(bio_s_out,"rwrite W BLOCK\n");
+ }
+ }
+ else
+ {
+ j+=k;
+ }
+ }
+ }
+write_error:
+ BIO_free(file);
+ break;
+ }
+ }
+
+ for (;;)
+ {
+ i=(int)BIO_flush(io);
+ if (i <= 0)
+ {
+ if (!BIO_should_retry(io))
+ break;
+ }
+ else
+ break;
+ }
+end:
+#if 1
+ /* make sure we re-use sessions */
+ SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
+#else
+ /* This kills performance */
+/* SSL_shutdown(con); A shutdown gets sent in the
+ * BIO_free_all(io) procession */
+#endif
+
+err:
+
+ if (ret >= 0)
+ BIO_printf(bio_s_out,"ACCEPT\n");
+
+ if (buf != NULL) OPENSSL_free(buf);
+ if (io != NULL) BIO_free_all(io);
+/* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
+ return(ret);
+ }
+
+#ifndef OPENSSL_NO_RSA
+static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
+ {
+ BIGNUM *bn = NULL;
+ static RSA *rsa_tmp=NULL;
+
+ if (!rsa_tmp && ((bn = BN_new()) == NULL))
+ BIO_printf(bio_err,"Allocation error in generating RSA key\n");
+ if (!rsa_tmp && bn)
+ {
+ if (!s_quiet)
+ {
+ BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
+ (void)BIO_flush(bio_err);
+ }
+ if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
+ !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
+ {
+ if(rsa_tmp) RSA_free(rsa_tmp);
+ rsa_tmp = NULL;
+ }
+ if (!s_quiet)
+ {
+ BIO_printf(bio_err,"\n");
+ (void)BIO_flush(bio_err);
+ }
+ BN_free(bn);
+ }
+ return(rsa_tmp);
+ }
+#endif
+
+#define MAX_SESSION_ID_ATTEMPTS 10
+static int generate_session_id(const SSL *ssl, unsigned char *id,
+ unsigned int *id_len)
+ {
+ unsigned int count = 0;
+ do {
+ RAND_pseudo_bytes(id, *id_len);
+ /* Prefix the session_id with the required prefix. NB: If our
+ * prefix is too long, clip it - but there will be worse effects
+ * anyway, eg. the server could only possibly create 1 session
+ * ID (ie. the prefix!) so all future session negotiations will
+ * fail due to conflicts. */
+ memcpy(id, session_id_prefix,
+ (strlen(session_id_prefix) < *id_len) ?
+ strlen(session_id_prefix) : *id_len);
+ }
+ while(SSL_has_matching_session_id(ssl, id, *id_len) &&
+ (++count < MAX_SESSION_ID_ATTEMPTS));
+ if(count >= MAX_SESSION_ID_ATTEMPTS)
+ return 0;
+ return 1;
+ }