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- /* 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
- /* conflicts with winsock2 stuff on netware */
- #if !defined(OPENSSL_SYS_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>
- #include <openssl/ocsp.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"
- #ifndef OPENSSL_NO_TLSEXT
- # define TEST_CERT2 "server2.pem"
- #endif
- #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;
- #ifndef OPENSSL_NO_TLSEXT
- static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
- #endif
- 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;
- #ifndef OPENSSL_NO_TLSEXT
- static SSL_CTX *ctx2 = NULL;
- #endif
- static int www = 0;
- static BIO *bio_s_out = NULL;
- static int s_debug = 0;
- #ifndef OPENSSL_NO_TLSEXT
- static int s_tlsextdebug = 0;
- static int s_tlsextstatus = 0;
- static int cert_status_cb(SSL *s, void *arg);
- #endif
- 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;
- static long socket_mtu;
- #ifndef OPENSSL_NO_DTLS1
- static int cert_chain = 0;
- #endif
- #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;
- # ifndef OPENSSL_NO_TLSEXT
- s_cert_file2 = TEST_CERT2;
- s_key_file2 = NULL;
- ctx2 = NULL;
- # endif
- # 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,
- " -crl_check - check the peer certificate has not been revoked by its CA.\n"
- " The CRL(s) are appended to the certificate file\n");
- BIO_printf(bio_err,
- " -crl_check_all - check the peer certificate has not been revoked by its CA\n"
- " or any other CRL in the CA chain. CRL(s) are appened to the\n"
- " the certificate file.\n");
- 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 link layer 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);
- #ifndef OPENSSL_NO_TLSEXT
- BIO_printf(bio_err,
- " -servername host - servername for HostName TLS extension\n");
- BIO_printf(bio_err,
- " -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
- BIO_printf(bio_err,
- " -cert2 arg - certificate file to use for servername\n");
- BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2);
- BIO_printf(bio_err,
- " -key2 arg - Private Key file to use for servername, in cert file if\n");
- BIO_printf(bio_err, " not specified (default is %s)\n",
- TEST_CERT2);
- BIO_printf(bio_err,
- " -tlsextdebug - hex dump of all TLS extensions received\n");
- BIO_printf(bio_err,
- " -no_ticket - disable use of RFC4507bis session tickets\n");
- BIO_printf(bio_err,
- " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
- #endif
- }
- 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
- #ifndef OPENSSL_NO_TLSEXT
- /* This is a context that we pass to callbacks */
- typedef struct tlsextctx_st {
- char *servername;
- BIO *biodebug;
- int extension_error;
- } tlsextctx;
- static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
- {
- tlsextctx *p = (tlsextctx *) arg;
- const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
- if (servername && p->biodebug)
- BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
- servername);
- if (!p->servername)
- return SSL_TLSEXT_ERR_NOACK;
- if (servername) {
- if (strcasecmp(servername, p->servername))
- return p->extension_error;
- if (ctx2) {
- BIO_printf(p->biodebug, "Swiching server context.\n");
- SSL_set_SSL_CTX(s, ctx2);
- }
- }
- return SSL_TLSEXT_ERR_OK;
- }
- /* Structure passed to cert status callback */
- typedef struct tlsextstatusctx_st {
- /* Default responder to use */
- char *host, *path, *port;
- int use_ssl;
- int timeout;
- BIO *err;
- int verbose;
- } tlsextstatusctx;
- static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, NULL, 0 };
- /*
- * Certificate Status callback. This is called when a client includes a
- * certificate status request extension. This is a simplified version. It
- * examines certificates each time and makes one OCSP responder query for
- * each request. A full version would store details such as the OCSP
- * certificate IDs and minimise the number of OCSP responses by caching them
- * until they were considered "expired".
- */
- static int cert_status_cb(SSL *s, void *arg)
- {
- tlsextstatusctx *srctx = arg;
- BIO *err = srctx->err;
- char *host, *port, *path;
- int use_ssl;
- unsigned char *rspder = NULL;
- int rspderlen;
- STACK *aia = NULL;
- X509 *x = NULL;
- X509_STORE_CTX inctx;
- X509_OBJECT obj;
- OCSP_REQUEST *req = NULL;
- OCSP_RESPONSE *resp = NULL;
- OCSP_CERTID *id = NULL;
- STACK_OF(X509_EXTENSION) *exts;
- int ret = SSL_TLSEXT_ERR_NOACK;
- int i;
- # if 0
- STACK_OF(OCSP_RESPID) *ids;
- SSL_get_tlsext_status_ids(s, &ids);
- BIO_printf(err, "cert_status: received %d ids\n",
- sk_OCSP_RESPID_num(ids));
- # endif
- if (srctx->verbose)
- BIO_puts(err, "cert_status: callback called\n");
- /* Build up OCSP query from server certificate */
- x = SSL_get_certificate(s);
- aia = X509_get1_ocsp(x);
- if (aia) {
- if (!OCSP_parse_url(sk_value(aia, 0), &host, &port, &path, &use_ssl)) {
- BIO_puts(err, "cert_status: can't parse AIA URL\n");
- goto err;
- }
- if (srctx->verbose)
- BIO_printf(err, "cert_status: AIA URL: %s\n", sk_value(aia, 0));
- } else {
- if (!srctx->host) {
- BIO_puts(srctx->err,
- "cert_status: no AIA and no default responder URL\n");
- goto done;
- }
- host = srctx->host;
- path = srctx->path;
- port = srctx->port;
- use_ssl = srctx->use_ssl;
- }
- if (!X509_STORE_CTX_init(&inctx,
- SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
- NULL, NULL))
- goto err;
- if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
- X509_get_issuer_name(x), &obj) <= 0) {
- BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
- X509_STORE_CTX_cleanup(&inctx);
- goto done;
- }
- req = OCSP_REQUEST_new();
- if (!req)
- goto err;
- id = OCSP_cert_to_id(NULL, x, obj.data.x509);
- X509_free(obj.data.x509);
- X509_STORE_CTX_cleanup(&inctx);
- if (!id)
- goto err;
- if (!OCSP_request_add0_id(req, id))
- goto err;
- id = NULL;
- /* Add any extensions to the request */
- SSL_get_tlsext_status_exts(s, &exts);
- for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
- X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
- if (!OCSP_REQUEST_add_ext(req, ext, -1))
- goto err;
- }
- resp = process_responder(err, req, host, path, port, use_ssl,
- srctx->timeout);
- if (!resp) {
- BIO_puts(err, "cert_status: error querying responder\n");
- goto done;
- }
- rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
- if (rspderlen <= 0)
- goto err;
- SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
- if (srctx->verbose) {
- BIO_puts(err, "cert_status: ocsp response sent:\n");
- OCSP_RESPONSE_print(err, resp, 2);
- }
- ret = SSL_TLSEXT_ERR_OK;
- done:
- if (ret != SSL_TLSEXT_ERR_OK)
- ERR_print_errors(err);
- if (aia) {
- OPENSSL_free(host);
- OPENSSL_free(path);
- OPENSSL_free(port);
- X509_email_free(aia);
- }
- if (id)
- OCSP_CERTID_free(id);
- if (req)
- OCSP_REQUEST_free(req);
- if (resp)
- OCSP_RESPONSE_free(resp);
- return ret;
- err:
- ret = SSL_TLSEXT_ERR_ALERT_FATAL;
- goto done;
- }
- #endif
- int MAIN(int, char **);
- #ifndef OPENSSL_NO_JPAKE
- static char *jpake_secret = NULL;
- #endif
- 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;
- int socket_type = SOCK_STREAM;
- ENGINE *e = NULL;
- 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;
- int no_cache = 0;
- #ifndef OPENSSL_NO_TLSEXT
- EVP_PKEY *s_key2 = NULL;
- X509 *s_cert2 = NULL;
- #endif
- #ifndef OPENSSL_NO_TLSEXT
- tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
- #endif
- meth = SSLv23_server_method();
- 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, "-no_cache") == 0)
- no_cache = 1;
- else if (strcmp(*argv, "-crl_check") == 0) {
- vflags |= X509_V_FLAG_CRL_CHECK;
- } else if (strcmp(*argv, "-crl_check_all") == 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, "-legacy_renegotiation") == 0)
- off |= SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
- 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;
- }
- #ifndef OPENSSL_NO_TLSEXT
- else if (strcmp(*argv, "-tlsextdebug") == 0)
- s_tlsextdebug = 1;
- else if (strcmp(*argv, "-status") == 0)
- s_tlsextstatus = 1;
- else if (strcmp(*argv, "-status_verbose") == 0) {
- s_tlsextstatus = 1;
- tlscstatp.verbose = 1;
- } else if (!strcmp(*argv, "-status_timeout")) {
- s_tlsextstatus = 1;
- if (--argc < 1)
- goto bad;
- tlscstatp.timeout = atoi(*(++argv));
- } else if (!strcmp(*argv, "-status_url")) {
- s_tlsextstatus = 1;
- if (--argc < 1)
- goto bad;
- if (!OCSP_parse_url(*(++argv),
- &tlscstatp.host,
- &tlscstatp.port,
- &tlscstatp.path, &tlscstatp.use_ssl)) {
- BIO_printf(bio_err, "Error parsing URL\n");
- goto bad;
- }
- }
- #endif
- 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_TLSEXT
- else if (strcmp(*argv, "-no_ticket") == 0) {
- off |= SSL_OP_NO_TICKET;
- }
- #endif
- #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();
- socket_type = SOCK_DGRAM;
- } else if (strcmp(*argv, "-timeout") == 0)
- enable_timeouts = 1;
- else if (strcmp(*argv, "-mtu") == 0) {
- if (--argc < 1)
- goto bad;
- socket_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);
- }
- #ifndef OPENSSL_NO_TLSEXT
- else if (strcmp(*argv, "-servername") == 0) {
- if (--argc < 1)
- goto bad;
- tlsextcbp.servername = *(++argv);
- } else if (strcmp(*argv, "-servername_fatal") == 0) {
- tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
- } else if (strcmp(*argv, "-cert2") == 0) {
- if (--argc < 1)
- goto bad;
- s_cert_file2 = *(++argv);
- } else if (strcmp(*argv, "-key2") == 0) {
- if (--argc < 1)
- goto bad;
- s_key_file2 = *(++argv);
- }
- #endif
- #ifndef OPENSSL_NO_JPAKE
- else if (strcmp(*argv, "-jpake") == 0) {
- if (--argc < 1)
- goto bad;
- jpake_secret = *(++argv);
- }
- #endif
- else {
- BIO_printf(bio_err, "unknown option %s\n", *argv);
- badop = 1;
- break;
- }
- argc--;
- argv++;
- }
- if (badop) {
- bad:
- sv_usage();
- goto end;
- }
- #ifndef OPENSSL_NO_DTLS1
- if (www && socket_type == SOCK_DGRAM) {
- BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
- goto end;
- }
- #endif
- 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;
- #ifndef OPENSSL_NO_TLSEXT
- if (s_key_file2 == NULL)
- s_key_file2 = s_cert_file2;
- #endif
- 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;
- }
- #ifndef OPENSSL_NO_TLSEXT
- if (tlsextcbp.servername) {
- s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
- "second server certificate private key file");
- if (!s_key2) {
- ERR_print_errors(bio_err);
- goto end;
- }
- s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
- NULL, e, "second server certificate file");
- if (!s_cert2) {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- #endif
- }
- 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;
- #ifndef OPENSSL_NO_TLSEXT
- s_cert_file2 = NULL;
- s_key_file2 = NULL;
- #endif
- }
- 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 (socket_type == SOCK_DGRAM)
- SSL_CTX_set_read_ahead(ctx, 1);
- if (state)
- SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
- if (no_cache)
- SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
- else
- 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_TLSEXT
- if (s_cert2) {
- ctx2 = SSL_CTX_new(meth);
- if (ctx2 == NULL) {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- if (ctx2) {
- BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
- 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(ctx2, 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(ctx2, 1);
- if (bugs)
- SSL_CTX_set_options(ctx2, SSL_OP_ALL);
- if (hack)
- SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
- SSL_CTX_set_options(ctx2, off);
- /*
- * DTLS: partial reads end up discarding unread UDP bytes :-(
- * Setting read ahead solves this problem.
- */
- if (socket_type == SOCK_DGRAM)
- SSL_CTX_set_read_ahead(ctx2, 1);
- if (state)
- SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
- if (no_cache)
- SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
- else
- SSL_CTX_sess_set_cache_size(ctx2, 128);
- if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
- (!SSL_CTX_set_default_verify_paths(ctx2))) {
- ERR_print_errors(bio_err);
- }
- store = SSL_CTX_get_cert_store(ctx2);
- X509_STORE_set_flags(store, vflags);
- }
- #endif
- #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);
- # ifndef OPENSSL_NO_TLSEXT
- if (ctx2) {
- if (!dhfile) {
- DH *dh2 = load_dh_param(s_cert_file2);
- if (dh2 != NULL) {
- BIO_printf(bio_s_out, "Setting temp DH parameters\n");
- (void)BIO_flush(bio_s_out);
- DH_free(dh);
- dh = dh2;
- }
- }
- SSL_CTX_set_tmp_dh(ctx2, dh);
- }
- # endif
- 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);
- # ifndef OPENSSL_NO_TLSEXT
- if (ctx2)
- SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
- # endif
- EC_KEY_free(ecdh);
- }
- #endif
- if (!set_cert_key_stuff(ctx, s_cert, s_key))
- goto end;
- #ifndef OPENSSL_NO_TLSEXT
- if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
- goto end;
- #endif
- 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);
- # ifndef OPENSSL_NO_TLSEXT
- if (ctx2)
- SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb);
- # endif
- }
- # 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;
- }
- # ifndef OPENSSL_NO_TLSEXT
- if (ctx2) {
- if (!SSL_CTX_set_tmp_rsa(ctx2, rsa)) {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- # endif
- 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;
- #ifndef OPENSSL_NO_TLSEXT
- if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) {
- BIO_printf(bio_err, "error setting cipher list\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- #endif
- }
- 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);
- /* Set DTLS cookie generation and verification callbacks */
- SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
- SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
- #ifndef OPENSSL_NO_TLSEXT
- if (ctx2) {
- SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
- SSL_CTX_set_session_id_context(ctx2,
- (void *)&s_server_session_id_context,
- sizeof s_server_session_id_context);
- tlsextcbp.biodebug = bio_s_out;
- SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
- SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
- SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
- SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
- }
- #endif
- if (CAfile != NULL) {
- SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
- #ifndef OPENSSL_NO_TLSEXT
- if (ctx2)
- SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
- #endif
- }
- BIO_printf(bio_s_out, "ACCEPT\n");
- if (www)
- do_server(port, socket_type, &accept_socket, www_body, context);
- else
- do_server(port, socket_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);
- #ifndef OPENSSL_NO_TLSEXT
- if (tlscstatp.host)
- OPENSSL_free(tlscstatp.host);
- if (tlscstatp.port)
- OPENSSL_free(tlscstatp.port);
- if (tlscstatp.path)
- OPENSSL_free(tlscstatp.path);
- if (ctx2 != NULL)
- SSL_CTX_free(ctx2);
- if (s_cert2)
- X509_free(s_cert2);
- if (s_key2)
- EVP_PKEY_free(s_key2);
- #endif
- 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;
- struct timeval timeout;
- #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
- struct timeval tv;
- #else
- struct timeval *timeoutp;
- #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_TLSEXT
- if (s_tlsextdebug) {
- SSL_set_tlsext_debug_callback(con, tlsext_cb);
- SSL_set_tlsext_debug_arg(con, bio_s_out);
- }
- if (s_tlsextstatus) {
- SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
- tlscstatp.err = bio_err;
- SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
- }
- #endif
- #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) {
- 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 (socket_mtu > 28) {
- SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
- SSL_set_mtu(con, socket_mtu - 28);
- } 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);
- }
- #ifndef OPENSSL_NO_JPAKE
- if (jpake_secret)
- jpake_server_auth(bio_s_out, sbio, jpake_secret);
- #endif
- 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);
- }
- #ifndef OPENSSL_NO_TLSEXT
- if (s_tlsextdebug) {
- SSL_set_tlsext_debug_callback(con, tlsext_cb);
- SSL_set_tlsext_debug_arg(con, bio_s_out);
- }
- #endif
- 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
- if ((SSL_version(con) == DTLS1_VERSION) &&
- DTLSv1_get_timeout(con, &timeout))
- timeoutp = &timeout;
- else
- timeoutp = NULL;
- i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
- if ((SSL_version(con) == DTLS1_VERSION)
- && DTLSv1_handle_timeout(con) > 0) {
- BIO_printf(bio_err, "TIMEOUT occured\n");
- }
- 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
- if (write(fileno(stdout), buf, (unsigned int)i) != i)
- goto err;
- 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 */
- BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
- SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
- 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, dot;
- struct stat st_buf;
- SSL *con;
- SSL_CIPHER *c;
- BIO *io, *ssl_bio, *sbio;
- #ifdef RENEG
- long total_bytes;
- #endif
- 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_TLSEXT
- if (s_tlsextdebug) {
- SSL_set_tlsext_debug_callback(con, tlsext_cb);
- SSL_set_tlsext_debug_arg(con, bio_s_out);
- }
- #endif
- #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);
- }
- 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 */
- #ifdef RENEG
- total_bytes = 0;
- #endif
- 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;
- }
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