diff options
Diffstat (limited to 'openssl/apps/s_server.c')
| -rw-r--r-- | openssl/apps/s_server.c | 2752 |
1 files changed, 2752 insertions, 0 deletions
diff --git a/openssl/apps/s_server.c b/openssl/apps/s_server.c new file mode 100644 index 00000000..a8e057ce --- /dev/null +++ b/openssl/apps/s_server.c @@ -0,0 +1,2752 @@ +/* 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) 1998-2006 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. + */ +/* ==================================================================== + * Copyright 2005 Nokia. All rights reserved. + * + * The portions of the attached software ("Contribution") is developed by + * Nokia Corporation and is licensed pursuant to the OpenSSL open source + * license. + * + * The Contribution, originally written by Mika Kousa and Pasi Eronen of + * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites + * support (see RFC 4279) to OpenSSL. + * + * No patent licenses or other rights except those expressly stated in + * the OpenSSL open source license shall be deemed granted or received + * expressly, by implication, estoppel, or otherwise. + * + * No assurances are provided by Nokia that the Contribution does not + * infringe the patent or other intellectual property rights of any third + * party or that the license provides you with all the necessary rights + * to make use of the Contribution. + * + * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN + * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA + * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY + * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR + * OTHERWISE. + */ + +/* 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 <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.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> +#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" + +#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 + +#if defined(OPENSSL_SYS_BEOS_R5) +#include <fcntl.h> +#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 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, verify_return_error; + +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 + +#ifndef OPENSSL_NO_PSK +static char *psk_identity="Client_identity"; +char *psk_key=NULL; /* by default PSK is not used */ + +static unsigned int psk_server_cb(SSL *ssl, const char *identity, + unsigned char *psk, unsigned int max_psk_len) + { + unsigned int psk_len = 0; + int ret; + BIGNUM *bn = NULL; + + if (s_debug) + BIO_printf(bio_s_out,"psk_server_cb\n"); + if (!identity) + { + BIO_printf(bio_err,"Error: client did not send PSK identity\n"); + goto out_err; + } + if (s_debug) + BIO_printf(bio_s_out,"identity_len=%d identity=%s\n", + identity ? (int)strlen(identity) : 0, identity); + + /* here we could lookup the given identity e.g. from a database */ + if (strcmp(identity, psk_identity) != 0) + { + BIO_printf(bio_s_out, "PSK error: client identity not found" + " (got '%s' expected '%s')\n", identity, + psk_identity); + goto out_err; + } + if (s_debug) + BIO_printf(bio_s_out, "PSK client identity found\n"); + + /* convert the PSK key to binary */ + ret = BN_hex2bn(&bn, psk_key); + if (!ret) + { + BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key); + if (bn) + BN_free(bn); + return 0; + } + if (BN_num_bytes(bn) > (int)max_psk_len) + { + BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n", + max_psk_len, BN_num_bytes(bn)); + BN_free(bn); + return 0; + } + + ret = BN_bn2bin(bn, psk); + BN_free(bn); + + if (ret < 0) + goto out_err; + psk_len = (unsigned int)ret; + + if (s_debug) + BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len); + return psk_len; + out_err: + if (s_debug) + BIO_printf(bio_err, "Error in PSK server callback\n"); + return 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 nistp256).\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"); +#ifndef OPENSSL_NO_PSK + BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n"); + BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); +# ifndef OPENSSL_NO_JPAKE + BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); +# endif +#endif + 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"); +# ifndef OPENSSL_NO_NEXTPROTONEG + BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n"); +# endif +#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 (strcmp(servername,p->servername)) + return p->extension_error; + if (ctx2) + { + BIO_printf(p->biodebug,"Switching 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_OF(OPENSSL_STRING) *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_OPENSSL_STRING_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_OPENSSL_STRING_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, NULL, + 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; + } + +# ifndef OPENSSL_NO_NEXTPROTONEG +/* This is the context that we pass to next_proto_cb */ +typedef struct tlsextnextprotoctx_st { + unsigned char *data; + unsigned int len; +} tlsextnextprotoctx; + +static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg) + { + tlsextnextprotoctx *next_proto = arg; + + *data = next_proto->data; + *len = next_proto->len; + + return SSL_TLSEXT_ERR_OK; + } +# endif /* ndef OPENSSL_NO_NPN */ +#endif + +int MAIN(int, char **); + +#ifndef OPENSSL_NO_JPAKE +static char *jpake_secret = NULL; +#endif + +int MAIN(int argc, char *argv[]) + { + X509_VERIFY_PARAM *vpm = NULL; + int badarg = 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; + const 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}; +# ifndef OPENSSL_NO_NEXTPROTONEG + const char *next_proto_neg_in = NULL; + tlsextnextprotoctx next_proto; +# endif +#endif +#ifndef OPENSSL_NO_PSK + /* by default do not send a PSK identity hint */ + static char *psk_identity_hint=NULL; +#endif +#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,"-no_cache") == 0) + no_cache = 1; + else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) + { + if (badarg) + goto bad; + continue; + } + else if (strcmp(*argv,"-verify_return_error") == 0) + verify_return_error = 1; + 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; } +#ifndef OPENSSL_NO_PSK + else if (strcmp(*argv,"-psk_hint") == 0) + { + if (--argc < 1) goto bad; + psk_identity_hint= *(++argv); + } + else if (strcmp(*argv,"-psk") == 0) + { + size_t i; + + if (--argc < 1) goto bad; + psk_key=*(++argv); + for (i=0; i<strlen(psk_key); i++) + { + if (isxdigit((int)psk_key[i])) + continue; + BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); + goto bad; + } + } +#endif + 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; } + else if (strcmp(*argv,"-no_comp") == 0) + { off|=SSL_OP_NO_COMPRESSION; } +#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); + } +# ifndef OPENSSL_NO_NEXTPROTONEG + else if (strcmp(*argv,"-nextprotoneg") == 0) + { + if (--argc < 1) goto bad; + next_proto_neg_in = *(++argv); + } +# endif +#endif +#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) + 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; + } + +#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) + if (jpake_secret) + { + if (psk_key) + { + BIO_printf(bio_err, + "Can't use JPAKE and PSK together\n"); + goto end; + } + psk_identity = "JPAKE"; + if (cipher) + { + BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); + goto end; + } + cipher = "PSK"; + } + +#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; */ + } + if (vpm) + SSL_CTX_set1_param(ctx, vpm); + +#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); + } + if (vpm) + SSL_CTX_set1_param(ctx2, vpm); + } + +# ifndef OPENSSL_NO_NEXTPROTONEG + if (next_proto.data) + SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto); +# endif +#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_X9_62_prime256v1); + if (ecdh == NULL) + { + BIO_printf(bio_err, "unable to create curve (nistp256)\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; + } + } +# ifndef OPENSSL_NO_NEXTPROTONEG + if (next_proto_neg_in) + { + unsigned short len; + next_proto.data = next_protos_parse(&len, + next_proto_neg_in); + if (next_proto.data == NULL) + goto end; + next_proto.len = len; + } + else + { + next_proto.data = NULL; + } +# endif +#endif + RSA_free(rsa); + BIO_printf(bio_s_out,"\n"); + } +#endif +#endif + +#ifndef OPENSSL_NO_PSK +#ifdef OPENSSL_NO_JPAKE + if (psk_key != NULL) +#else + if (psk_key != NULL || jpake_secret) +#endif + { + if (s_debug) + BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n"); + SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); + } + + if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) + { + BIO_printf(bio_err,"error setting PSK identity hint to context\n"); + ERR_print_errors(bio_err); + goto end; + } +#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"); + (void)BIO_flush(bio_s_out); + 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 (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) || defined(OPENSSL_SYS_BEOS_R5) + 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 0 +#ifdef TLSEXT_TYPE_opaque_prf_input + SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); +#endif +#endif + + 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) && !defined(OPENSSL_SYS_BEOS_R5) + openssl_fdset(fileno(stdin),&readfds); +#endif + openssl_fdset(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; +#elif defined(OPENSSL_SYS_BEOS_R5) + /* Under BeOS-R5 the situation is similar to DOS */ + tv.tv_sec = 1; + tv.tv_usec = 0; + (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); + i=select(width,(void *)&readfds,NULL,NULL,&tv); + if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0)) + continue; + if (read(fileno(stdin), buf, 0) >= 0) + read_from_terminal = 1; + (void)fcntl(fileno(stdin), F_SETFL, 0); +#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=raw_read_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=raw_read_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 + raw_write_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: + if (con != NULL) + { + 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 + 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 !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) + const unsigned char *next_proto_neg; + unsigned next_proto_neg_len; +#endif + + 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 !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) + SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); + if (next_proto_neg) + { + BIO_printf(bio_s_out,"NEXTPROTO is "); + BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); + BIO_printf(bio_s_out, "\n"); + } +#endif + 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; + SSL *con; + const SSL_CIPHER *c; + BIO *io,*ssl_bio,*sbio; + + 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 (app_isdir(p)>0) + { +#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 */ + 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; + } |