diff options
author | William Joye <wjoye@cfa.harvard.edu> | 2017-05-02 16:06:33 (GMT) |
---|---|---|
committer | William Joye <wjoye@cfa.harvard.edu> | 2017-05-02 16:06:33 (GMT) |
commit | 335ca9eb0d2337314cbbec5eb19f9aeea0eaaca7 (patch) | |
tree | 0a0e8d65ee114cb89f58c3159488dd5523123309 /openssl/apps/s_server.c | |
parent | a90d8737b83a4a5bb2bf91a9bdf48a3dad4b51fa (diff) | |
download | blt-335ca9eb0d2337314cbbec5eb19f9aeea0eaaca7.zip blt-335ca9eb0d2337314cbbec5eb19f9aeea0eaaca7.tar.gz blt-335ca9eb0d2337314cbbec5eb19f9aeea0eaaca7.tar.bz2 |
initial commit
Diffstat (limited to 'openssl/apps/s_server.c')
-rw-r--r-- | openssl/apps/s_server.c | 3518 |
1 files changed, 3518 insertions, 0 deletions
diff --git a/openssl/apps/s_server.c b/openssl/apps/s_server.c new file mode 100644 index 0000000..b561cf3 --- /dev/null +++ b/openssl/apps/s_server.c @@ -0,0 +1,3518 @@ +/* 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 + +/* 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 +#ifndef OPENSSL_NO_SRP +# include <openssl/srp.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, int stype, unsigned char *context); +static int www_body(char *hostname, int s, int stype, unsigned char *context); +static int rev_body(char *hostname, int s, int stype, 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); +static void init_session_cache_ctx(SSL_CTX *sctx); +static void free_sessions(void); +#ifndef OPENSSL_NO_DH +static DH *load_dh_param(const char *dhfile); +static DH *get_dh2048(void); +#endif + +#ifdef MONOLITH +static void s_server_init(void); +#endif + +#ifndef OPENSSL_NO_DH +static unsigned char dh2048_p[] = { + 0xF6,0x42,0x57,0xB7,0x08,0x7F,0x08,0x17,0x72,0xA2,0xBA,0xD6, + 0xA9,0x42,0xF3,0x05,0xE8,0xF9,0x53,0x11,0x39,0x4F,0xB6,0xF1, + 0x6E,0xB9,0x4B,0x38,0x20,0xDA,0x01,0xA7,0x56,0xA3,0x14,0xE9, + 0x8F,0x40,0x55,0xF3,0xD0,0x07,0xC6,0xCB,0x43,0xA9,0x94,0xAD, + 0xF7,0x4C,0x64,0x86,0x49,0xF8,0x0C,0x83,0xBD,0x65,0xE9,0x17, + 0xD4,0xA1,0xD3,0x50,0xF8,0xF5,0x59,0x5F,0xDC,0x76,0x52,0x4F, + 0x3D,0x3D,0x8D,0xDB,0xCE,0x99,0xE1,0x57,0x92,0x59,0xCD,0xFD, + 0xB8,0xAE,0x74,0x4F,0xC5,0xFC,0x76,0xBC,0x83,0xC5,0x47,0x30, + 0x61,0xCE,0x7C,0xC9,0x66,0xFF,0x15,0xF9,0xBB,0xFD,0x91,0x5E, + 0xC7,0x01,0xAA,0xD3,0x5B,0x9E,0x8D,0xA0,0xA5,0x72,0x3A,0xD4, + 0x1A,0xF0,0xBF,0x46,0x00,0x58,0x2B,0xE5,0xF4,0x88,0xFD,0x58, + 0x4E,0x49,0xDB,0xCD,0x20,0xB4,0x9D,0xE4,0x91,0x07,0x36,0x6B, + 0x33,0x6C,0x38,0x0D,0x45,0x1D,0x0F,0x7C,0x88,0xB3,0x1C,0x7C, + 0x5B,0x2D,0x8E,0xF6,0xF3,0xC9,0x23,0xC0,0x43,0xF0,0xA5,0x5B, + 0x18,0x8D,0x8E,0xBB,0x55,0x8C,0xB8,0x5D,0x38,0xD3,0x34,0xFD, + 0x7C,0x17,0x57,0x43,0xA3,0x1D,0x18,0x6C,0xDE,0x33,0x21,0x2C, + 0xB5,0x2A,0xFF,0x3C,0xE1,0xB1,0x29,0x40,0x18,0x11,0x8D,0x7C, + 0x84,0xA7,0x0A,0x72,0xD6,0x86,0xC4,0x03,0x19,0xC8,0x07,0x29, + 0x7A,0xCA,0x95,0x0C,0xD9,0x96,0x9F,0xAB,0xD0,0x0A,0x50,0x9B, + 0x02,0x46,0xD3,0x08,0x3D,0x66,0xA4,0x5D,0x41,0x9F,0x9C,0x7C, + 0xBD,0x89,0x4B,0x22,0x19,0x26,0xBA,0xAB,0xA2,0x5E,0xC3,0x55, + 0xE9,0x32,0x0B,0x3B, +}; + +static unsigned char dh2048_g[] = { + 0x02, +}; + +DH *get_dh2048() +{ + DH *dh; + + if ((dh = DH_new()) == NULL) + return NULL; + dh->p=BN_bin2bn(dh2048_p, sizeof(dh2048_p), NULL); + dh->g=BN_bin2bn(dh2048_g, sizeof(dh2048_g), NULL); + if (dh->p == NULL || dh->g == NULL) { + DH_free(dh); + 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, verify_quiet; + +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, *s_chain_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, *s_dchain_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 BIO *bio_s_msg = 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 no_resume_ephemeral = 0; +static int s_msg = 0; +static int s_quiet = 0; +static int s_ign_eof = 0; +static int s_brief = 0; + +static char *keymatexportlabel = NULL; +static int keymatexportlen = 20; + +static int hack = 0; +static char *engine_id = NULL; +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_TLSEXT +static BIO *serverinfo_in = NULL; +static const char *s_serverinfo_file = NULL; + +#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) +{ + long key_len = 0; + unsigned char *key; + + 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", + (int)strlen(identity), 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 */ + key = string_to_hex(psk_key, &key_len); + if (key == NULL) { + BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", + psk_key); + return 0; + } + if (key_len > (int)max_psk_len) { + BIO_printf(bio_err, + "psk buffer of callback is too small (%d) for key (%ld)\n", + max_psk_len, key_len); + OPENSSL_free(key); + return 0; + } + + memcpy(psk, key, key_len); + OPENSSL_free(key); + + if (s_debug) + BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len); + return key_len; + out_err: + if (s_debug) + BIO_printf(bio_err, "Error in PSK server callback\n"); + return 0; +} +#endif + +#ifndef OPENSSL_NO_SRP +/* This is a context that we pass to callbacks */ +typedef struct srpsrvparm_st { + char *login; + SRP_VBASE *vb; + SRP_user_pwd *user; +} srpsrvparm; + +/* + * This callback pretends to require some asynchronous logic in order to + * obtain a verifier. When the callback is called for a new connection we + * return with a negative value. This will provoke the accept etc to return + * with an LOOKUP_X509. The main logic of the reinvokes the suspended call + * (which would normally occur after a worker has finished) and we set the + * user parameters. + */ +static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) +{ + srpsrvparm *p = (srpsrvparm *) arg; + int ret = SSL3_AL_FATAL; + + if (p->login == NULL && p->user == NULL) { + p->login = SSL_get_srp_username(s); + BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); + return (-1); + } + + if (p->user == NULL) { + BIO_printf(bio_err, "User %s doesn't exist\n", p->login); + goto err; + } + + if (SSL_set_srp_server_param + (s, p->user->N, p->user->g, p->user->s, p->user->v, + p->user->info) < 0) { + *ad = SSL_AD_INTERNAL_ERROR; + goto err; + } + BIO_printf(bio_err, + "SRP parameters set: username = \"%s\" info=\"%s\" \n", + p->login, p->user->info); + ret = SSL_ERROR_NONE; + +err: + SRP_user_pwd_free(p->user); + p->user = NULL; + p->login = NULL; + return ret; +} + +#endif + +#ifdef MONOLITH +static void s_server_init(void) +{ + accept_socket = -1; + s_server_verify = SSL_VERIFY_NONE; + s_dcert_file = NULL; + s_dkey_file = NULL; + s_dchain_file = NULL; + s_cert_file = TEST_CERT; + s_key_file = NULL; + s_chain_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; + s_brief = 0; + hack = 0; + engine_id = NULL; +} +#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, + " -verify_hostname host - check peer certificate matches \"host\"\n"); + BIO_printf(bio_err, + " -verify_email email - check peer certificate matches \"email\"\n"); + BIO_printf(bio_err, + " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n"); + 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, + " -verify_return_error - return verification errors\n"); + BIO_printf(bio_err, " -cert arg - certificate file to use\n"); + BIO_printf(bio_err, " (default is %s)\n", TEST_CERT); +#ifndef OPENSSL_NO_TLSEXT + BIO_printf(bio_err, + " -serverinfo arg - PEM serverinfo file for certificate\n"); + BIO_printf(bio_err, + " -auth - send and receive RFC 5878 TLS auth extensions and supplemental data\n"); + BIO_printf(bio_err, + " -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n"); +#endif + BIO_printf(bio_err, + " -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n"); + 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, + " -no_alt_chains - only ever use the first certificate chain found\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 +#ifndef OPENSSL_NO_SRP + BIO_printf(bio_err, " -srpvfile file - The verifier file for SRP\n"); + BIO_printf(bio_err, + " -srpuserseed string - A seed string for a default user salt.\n"); +#endif + BIO_printf(bio_err, " -ssl2 - Just talk SSLv2\n"); +#ifndef OPENSSL_NO_SSL3_METHOD + BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n"); +#endif + BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n"); + BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n"); + BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n"); + BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n"); + BIO_printf(bio_err, " -dtls1_2 - Just talk DTLSv1.2\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"); + BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n"); + BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\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, + " -hack - workaround for early Netscape code\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"); + BIO_printf(bio_err, + " -sigalgs arg - Signature algorithms to support (colon-separated list)\n"); + BIO_printf(bio_err, + " -client_sigalgs arg - Signature algorithms to support for client \n"); + BIO_printf(bio_err, + " certificate authentication (colon-separated list)\n"); +# ifndef OPENSSL_NO_NEXTPROTONEG + BIO_printf(bio_err, + " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n"); +# endif +# ifndef OPENSSL_NO_SRTP + BIO_printf(bio_err, + " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); +# endif + BIO_printf(bio_err, + " -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n"); +#endif + BIO_printf(bio_err, + " -keymatexport label - Export keying material using label\n"); + BIO_printf(bio_err, + " -keymatexportlen len - Export len bytes of keying material (default 20)\n"); + BIO_printf(bio_err, + " -status - respond to certificate status requests\n"); + BIO_printf(bio_err, + " -status_verbose - enable status request verbose printout\n"); + BIO_printf(bio_err, + " -status_timeout n - status request responder timeout\n"); + BIO_printf(bio_err, " -status_url URL - status request fallback URL\n"); +} + +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); + if (!wbuf) + return 0; + 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; + wbuf = + (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); + if (!wbuf) + return 0; + OPENSSL_free(b->ptr); + + 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, "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_NEXTPROTONEG */ + +/* This the context that we pass to alpn_cb */ +typedef struct tlsextalpnctx_st { + unsigned char *data; + unsigned short len; +} tlsextalpnctx; + +static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, + const unsigned char *in, unsigned int inlen, void *arg) +{ + tlsextalpnctx *alpn_ctx = arg; + + if (!s_quiet) { + /* We can assume that |in| is syntactically valid. */ + unsigned i; + BIO_printf(bio_s_out, "ALPN protocols advertised by the client: "); + for (i = 0; i < inlen;) { + if (i) + BIO_write(bio_s_out, ", ", 2); + BIO_write(bio_s_out, &in[i + 1], in[i]); + i += in[i] + 1; + } + BIO_write(bio_s_out, "\n", 1); + } + + if (SSL_select_next_proto + ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in, + inlen) != OPENSSL_NPN_NEGOTIATED) { + return SSL_TLSEXT_ERR_NOACK; + } + + if (!s_quiet) { + BIO_printf(bio_s_out, "ALPN protocols selected: "); + BIO_write(bio_s_out, *out, *outlen); + BIO_write(bio_s_out, "\n", 1); + } + + return SSL_TLSEXT_ERR_OK; +} +#endif /* ndef OPENSSL_NO_TLSEXT */ + +int MAIN(int, char **); + +#ifndef OPENSSL_NO_JPAKE +static char *jpake_secret = NULL; +# define no_jpake !jpake_secret +#else +# define no_jpake 1 +#endif +#ifndef OPENSSL_NO_SRP +static srpsrvparm srp_callback_parm; +#endif +#ifndef OPENSSL_NO_SRTP +static char *srtp_profiles = NULL; +#endif + +int MAIN(int argc, char *argv[]) +{ + X509_VERIFY_PARAM *vpm = NULL; + int badarg = 0; + short port = PORT; + char *CApath = NULL, *CAfile = NULL; + char *chCApath = NULL, *chCAfile = NULL; + char *vfyCApath = NULL, *vfyCAfile = NULL; + unsigned char *context = NULL; + char *dhfile = NULL; + int badop = 0; + int ret = 1; + int build_chain = 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; + STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; + EVP_PKEY *s_key = NULL, *s_dkey = NULL; + int no_cache = 0, ext_cache = 0; + int rev = 0, naccept = -1; +#ifndef OPENSSL_NO_TLSEXT + EVP_PKEY *s_key2 = NULL; + X509 *s_cert2 = NULL; + tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; +# ifndef OPENSSL_NO_NEXTPROTONEG + const char *next_proto_neg_in = NULL; + tlsextnextprotoctx next_proto = { NULL, 0 }; +# endif + const char *alpn_in = NULL; + tlsextalpnctx alpn_ctx = { NULL, 0 }; +#endif +#ifndef OPENSSL_NO_PSK + /* by default do not send a PSK identity hint */ + static char *psk_identity_hint = NULL; +#endif +#ifndef OPENSSL_NO_SRP + char *srpuserseed = NULL; + char *srp_verifier_file = NULL; +#endif + SSL_EXCERT *exc = NULL; + SSL_CONF_CTX *cctx = NULL; + STACK_OF(OPENSSL_STRING) *ssl_args = NULL; + + char *crl_file = NULL; + int crl_format = FORMAT_PEM; + int crl_download = 0; + STACK_OF(X509_CRL) *crls = NULL; + int prot_opt = 0, no_prot_opt = 0; + + 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; + + cctx = SSL_CONF_CTX_new(); + if (!cctx) + goto end; + SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER); + SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE); + + 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, "-naccept") == 0) { + if (--argc < 1) + goto bad; + naccept = atol(*(++argv)); + if (naccept <= 0) { + BIO_printf(bio_err, "bad accept value %s\n", *argv); + 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)); + if (!s_quiet) + 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)); + if (!s_quiet) + 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, "-CRL") == 0) { + if (--argc < 1) + goto bad; + crl_file = *(++argv); + } else if (strcmp(*argv, "-crl_download") == 0) + crl_download = 1; +#ifndef OPENSSL_NO_TLSEXT + else if (strcmp(*argv, "-serverinfo") == 0) { + if (--argc < 1) + goto bad; + s_serverinfo_file = *(++argv); + } +#endif + 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, "-cert_chain") == 0) { + if (--argc < 1) + goto bad; + s_chain_file = *(++argv); + } else if (strcmp(*argv, "-dhparam") == 0) { + if (--argc < 1) + goto bad; + dhfile = *(++argv); + } 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, "-dcert_chain") == 0) { + if (--argc < 1) + goto bad; + s_dchain_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, "-chainCApath") == 0) { + if (--argc < 1) + goto bad; + chCApath = *(++argv); + } else if (strcmp(*argv, "-verifyCApath") == 0) { + if (--argc < 1) + goto bad; + vfyCApath = *(++argv); + } else if (strcmp(*argv, "-no_cache") == 0) + no_cache = 1; + else if (strcmp(*argv, "-ext_cache") == 0) + ext_cache = 1; + else if (strcmp(*argv, "-CRLform") == 0) { + if (--argc < 1) + goto bad; + crl_format = str2fmt(*(++argv)); + } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { + if (badarg) + goto bad; + continue; + } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) { + if (badarg) + goto bad; + continue; + } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args, + &no_prot_opt)) { + if (badarg) + goto bad; + continue; + } else if (strcmp(*argv, "-verify_return_error") == 0) + verify_return_error = 1; + else if (strcmp(*argv, "-verify_quiet") == 0) + verify_quiet = 1; + else if (strcmp(*argv, "-build_chain") == 0) + build_chain = 1; + else if (strcmp(*argv, "-CAfile") == 0) { + if (--argc < 1) + goto bad; + CAfile = *(++argv); + } else if (strcmp(*argv, "-chainCAfile") == 0) { + if (--argc < 1) + goto bad; + chCAfile = *(++argv); + } else if (strcmp(*argv, "-verifyCAfile") == 0) { + if (--argc < 1) + goto bad; + vfyCAfile = *(++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, "-ign_eof") == 0) + s_ign_eof = 1; + else if (strcmp(*argv, "-no_ign_eof") == 0) + s_ign_eof = 0; + 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, "-msgfile") == 0) { + if (--argc < 1) + goto bad; + bio_s_msg = BIO_new_file(*(++argv), "w"); + } +#ifndef OPENSSL_NO_SSL_TRACE + else if (strcmp(*argv, "-trace") == 0) { + s_msg = 2; + } +#endif + 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, "-brief") == 0) { + s_quiet = 1; + s_brief = 1; + verify_quiet = 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, "-no_resume_ephemeral") == 0) { + no_resume_ephemeral = 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((unsigned char)psk_key[i])) + continue; + BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); + goto bad; + } + } +#endif +#ifndef OPENSSL_NO_SRP + else if (strcmp(*argv, "-srpvfile") == 0) { + if (--argc < 1) + goto bad; + srp_verifier_file = *(++argv); + meth = TLSv1_server_method(); + } else if (strcmp(*argv, "-srpuserseed") == 0) { + if (--argc < 1) + goto bad; + srpuserseed = *(++argv); + meth = TLSv1_server_method(); + } +#endif + else if (strcmp(*argv, "-rev") == 0) { + rev = 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; + } +#ifndef OPENSSL_NO_SSL2 + else if (strcmp(*argv, "-ssl2") == 0) { + no_ecdhe = 1; + meth = SSLv2_server_method(); + prot_opt++; + } +#endif +#ifndef OPENSSL_NO_SSL3_METHOD + else if (strcmp(*argv, "-ssl3") == 0) { + meth = SSLv3_server_method(); + prot_opt++; + } +#endif +#ifndef OPENSSL_NO_TLS1 + else if (strcmp(*argv, "-tls1") == 0) { + meth = TLSv1_server_method(); + prot_opt++; + } else if (strcmp(*argv, "-tls1_1") == 0) { + meth = TLSv1_1_server_method(); + prot_opt++; + } else if (strcmp(*argv, "-tls1_2") == 0) { + meth = TLSv1_2_server_method(); + prot_opt++; + } +#endif +#ifndef OPENSSL_NO_DTLS1 + else if (strcmp(*argv, "-dtls") == 0) { + meth = DTLS_server_method(); + socket_type = SOCK_DGRAM; + prot_opt++; + } else if (strcmp(*argv, "-dtls1") == 0) { + meth = DTLSv1_server_method(); + socket_type = SOCK_DGRAM; + prot_opt++; + } else if (strcmp(*argv, "-dtls1_2") == 0) { + meth = DTLSv1_2_server_method(); + socket_type = SOCK_DGRAM; + prot_opt++; + } 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 + else if (strcmp(*argv, "-alpn") == 0) { + if (--argc < 1) + goto bad; + alpn_in = *(++argv); + } +#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 +#ifndef OPENSSL_NO_SRTP + else if (strcmp(*argv, "-use_srtp") == 0) { + if (--argc < 1) + goto bad; + srtp_profiles = *(++argv); + } +#endif + else if (strcmp(*argv, "-keymatexport") == 0) { + if (--argc < 1) + goto bad; + keymatexportlabel = *(++argv); + } else if (strcmp(*argv, "-keymatexportlen") == 0) { + if (--argc < 1) + goto bad; + keymatexportlen = atoi(*(++argv)); + if (keymatexportlen == 0) + goto bad; + } 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 + +#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"; + } +#endif + + if (prot_opt > 1) { + BIO_printf(bio_err, "Cannot supply multiple protocol flags\n"); + goto end; + } + + if (prot_opt == 1 && no_prot_opt) { + BIO_printf(bio_err, "Cannot supply both a protocol flag and " + "\"-no_<prot>\"\n"); + goto end; + } + + SSL_load_error_strings(); + OpenSSL_add_ssl_algorithms(); + + e = setup_engine(bio_err, engine_id, 1); + + 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 (!load_excert(&exc, bio_err)) + goto end; + + if (nocert == 0) { + s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, + "server certificate private key file"); + if (!s_key) { + ERR_print_errors(bio_err); + goto end; + } + + s_cert = load_cert(bio_err, s_cert_file, s_cert_format, + NULL, e, "server certificate file"); + + if (!s_cert) { + ERR_print_errors(bio_err); + goto end; + } + if (s_chain_file) { + s_chain = load_certs(bio_err, s_chain_file, FORMAT_PEM, + NULL, e, "server certificate chain"); + if (!s_chain) + 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 /* OPENSSL_NO_TLSEXT */ + } +#if !defined(OPENSSL_NO_TLSEXT) +# if !defined(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 + alpn_ctx.data = NULL; + if (alpn_in) { + unsigned short len; + alpn_ctx.data = next_protos_parse(&len, alpn_in); + if (alpn_ctx.data == NULL) + goto end; + alpn_ctx.len = len; + } +#endif + + if (crl_file) { + X509_CRL *crl; + crl = load_crl(crl_file, crl_format); + if (!crl) { + BIO_puts(bio_err, "Error loading CRL\n"); + ERR_print_errors(bio_err); + goto end; + } + crls = sk_X509_CRL_new_null(); + if (!crls || !sk_X509_CRL_push(crls, crl)) { + BIO_puts(bio_err, "Error adding CRL\n"); + ERR_print_errors(bio_err); + X509_CRL_free(crl); + goto end; + } + } + + if (s_dcert_file) { + + if (s_dkey_file == NULL) + s_dkey_file = s_dcert_file; + + s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, + 0, dpass, e, "second certificate private key file"); + if (!s_dkey) { + ERR_print_errors(bio_err); + goto end; + } + + s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format, + NULL, e, "second server certificate file"); + + if (!s_dcert) { + ERR_print_errors(bio_err); + goto end; + } + if (s_dchain_file) { + s_dchain = load_certs(bio_err, s_dchain_file, FORMAT_PEM, + NULL, e, "second server certificate chain"); + if (!s_dchain) + 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) { + bio_s_out = BIO_new(BIO_s_null()); + if (s_msg && !bio_s_msg) + bio_s_msg = BIO_new_fp(stdout, BIO_NOCLOSE); + } 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 (hack) + SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); + if (exc) + ssl_ctx_set_excert(ctx, exc); + + 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 if (ext_cache) + init_session_cache_ctx(ctx); + else + SSL_CTX_sess_set_cache_size(ctx, 128); + +#ifndef OPENSSL_NO_SRTP + if (srtp_profiles != NULL) + SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); +#endif + +#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); + + ssl_ctx_add_crls(ctx, crls, 0); + + if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) + goto end; + + if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, + crls, crl_download)) { + BIO_printf(bio_err, "Error loading store locations\n"); + ERR_print_errors(bio_err); + goto end; + } +#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 (hack) + SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); + if (exc) + ssl_ctx_set_excert(ctx2, exc); + + 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 if (ext_cache) + init_session_cache_ctx(ctx2); + 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); + + ssl_ctx_add_crls(ctx2, crls, 0); + + if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) + goto end; + + } +# ifndef OPENSSL_NO_NEXTPROTONEG + if (next_proto.data) + SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, + &next_proto); +# endif + if (alpn_ctx.data) + SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx); +#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_dh2048(); + if (dh == NULL) { + ERR_print_errors(bio_err); + goto end; + } + } + (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 + + if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) + goto end; +#ifndef OPENSSL_NO_TLSEXT + if (s_serverinfo_file != NULL + && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { + ERR_print_errors(bio_err); + goto end; + } +#endif +#ifndef OPENSSL_NO_TLSEXT + if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) + goto end; +#endif + if (s_dcert != NULL) { + if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) + 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 + +#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 + + 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 + +#ifndef OPENSSL_NO_SRP + if (srp_verifier_file != NULL) { + srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); + srp_callback_parm.user = NULL; + srp_callback_parm.login = NULL; + if ((ret = + SRP_VBASE_init(srp_callback_parm.vb, + srp_verifier_file)) != SRP_NO_ERROR) { + BIO_printf(bio_err, + "Cannot initialize SRP verifier file \"%s\":ret=%d\n", + srp_verifier_file, ret); + goto end; + } + SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); + SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); + SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); + } else +#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 (rev) + do_server(port, socket_type, &accept_socket, rev_body, context, + naccept); + else if (www) + do_server(port, socket_type, &accept_socket, www_body, context, + naccept); + else + do_server(port, socket_type, &accept_socket, sv_body, context, + naccept); + print_stats(bio_s_out, ctx); + ret = 0; + end: + if (ctx != NULL) + SSL_CTX_free(ctx); + if (s_cert) + X509_free(s_cert); + if (crls) + sk_X509_CRL_pop_free(crls, X509_CRL_free); + if (s_dcert) + X509_free(s_dcert); + if (s_key) + EVP_PKEY_free(s_key); + if (s_dkey) + EVP_PKEY_free(s_dkey); + if (s_chain) + sk_X509_pop_free(s_chain, X509_free); + if (s_dchain) + sk_X509_pop_free(s_dchain, X509_free); + if (pass) + OPENSSL_free(pass); + if (dpass) + OPENSSL_free(dpass); + if (vpm) + X509_VERIFY_PARAM_free(vpm); + free_sessions(); +#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); + if (serverinfo_in != NULL) + BIO_free(serverinfo_in); +# ifndef OPENSSL_NO_NEXTPROTONEG + if (next_proto.data) + OPENSSL_free(next_proto.data); +# endif + if (alpn_ctx.data) + OPENSSL_free(alpn_ctx.data); +#endif + ssl_excert_free(exc); + if (ssl_args) + sk_OPENSSL_STRING_free(ssl_args); + if (cctx) + SSL_CONF_CTX_free(cctx); +#ifndef OPENSSL_NO_JPAKE + if (jpake_secret && psk_key) + OPENSSL_free(psk_key); +#endif + release_engine(e); + if (bio_s_out != NULL) { + BIO_free(bio_s_out); + bio_s_out = NULL; + } + if (bio_s_msg != NULL) { + BIO_free(bio_s_msg); + bio_s_msg = 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, int stype, unsigned char *context) +{ + char *buf = NULL; + fd_set readfds; + int ret = 1, width; + int k, i; + unsigned long l; + SSL *con = NULL; + BIO *sbio; +#ifndef OPENSSL_NO_KRB5 + KSSL_CTX *kctx; +#endif + 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 ((kctx = kssl_ctx_new()) != NULL) { + SSL_set0_kssl_ctx(con, kctx); + kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); + kssl_ctx_setstring(kctx, 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 (stype == SOCK_DGRAM) { + + 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) { + if (socket_mtu < DTLS_get_link_min_mtu(con)) { + BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", + DTLS_get_link_min_mtu(con)); + ret = -1; + BIO_free(sbio); + goto err; + } + SSL_set_options(con, SSL_OP_NO_QUERY_MTU); + if (!DTLS_set_link_mtu(con, socket_mtu)) { + BIO_printf(bio_err, "Failed to set MTU\n"); + ret = -1; + BIO_free(sbio); + goto err; + } + } 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) { + SSL_set_debug(con, 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) { +#ifndef OPENSSL_NO_SSL_TRACE + if (s_msg == 2) + SSL_set_msg_callback(con, SSL_trace); + else +#endif + SSL_set_msg_callback(con, msg_cb); + SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : 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 + + if (fileno_stdin() > s) + width = fileno_stdin() + 1; + else + 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 && !s_brief) { + 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; + } +#ifndef OPENSSL_NO_HEARTBEATS + if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { + BIO_printf(bio_err, "HEARTBEATING\n"); + SSL_heartbeat(con); + i = 0; + continue; + } +#endif + 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); +#ifndef OPENSSL_NO_SRP + while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { + BIO_printf(bio_s_out, "LOOKUP renego during write\n"); + SRP_user_pwd_free(srp_callback_parm.user); + srp_callback_parm.user = + SRP_VBASE_get1_by_user(srp_callback_parm.vb, + srp_callback_parm.login); + if (srp_callback_parm.user) + BIO_printf(bio_s_out, "LOOKUP done %s\n", + srp_callback_parm.user->info); + else + BIO_printf(bio_s_out, "LOOKUP not successful\n"); + k = SSL_write(con, &(buf[l]), (unsigned int)i); + } +#endif + 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; + } + if (k > 0) { + 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); +#ifndef OPENSSL_NO_SRP + while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { + BIO_printf(bio_s_out, "LOOKUP renego during read\n"); + SRP_user_pwd_free(srp_callback_parm.user); + srp_callback_parm.user = + SRP_VBASE_get1_by_user(srp_callback_parm.vb, + srp_callback_parm.login); + if (srp_callback_parm.user) + BIO_printf(bio_s_out, "LOOKUP done %s\n", + srp_callback_parm.user->info); + else + BIO_printf(bio_s_out, "LOOKUP not successful\n"); + i = SSL_read(con, (char *)buf, bufsize); + } +#endif + 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: + 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]; +#ifndef OPENSSL_NO_KRB5 + char *client_princ; +#endif +#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) + const unsigned char *next_proto_neg; + unsigned next_proto_neg_len; +#endif + unsigned char *exportedkeymat; + + i = SSL_accept(con); +#ifdef CERT_CB_TEST_RETRY + { + while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP + && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) { + fprintf(stderr, + "LOOKUP from certificate callback during accept\n"); + i = SSL_accept(con); + } + } +#endif +#ifndef OPENSSL_NO_SRP + while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { + BIO_printf(bio_s_out, "LOOKUP during accept %s\n", + srp_callback_parm.login); + SRP_user_pwd_free(srp_callback_parm.user); + srp_callback_parm.user = + SRP_VBASE_get1_by_user(srp_callback_parm.vb, + srp_callback_parm.login); + if (srp_callback_parm.user) + BIO_printf(bio_s_out, "LOOKUP done %s\n", + srp_callback_parm.user->info); + else + BIO_printf(bio_s_out, "LOOKUP not successful\n"); + i = SSL_accept(con); + } +#endif + + if (i <= 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)); + } + /* Always print any error messages */ + ERR_print_errors(bio_err); + return (0); + } + + if (s_brief) + print_ssl_summary(bio_err, con); + + 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)); + ssl_print_sigalgs(bio_s_out, con); +#ifndef OPENSSL_NO_EC + ssl_print_point_formats(bio_s_out, con); + ssl_print_curves(bio_s_out, con, 0); +#endif + 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 +#ifndef OPENSSL_NO_SRTP + { + SRTP_PROTECTION_PROFILE *srtp_profile + = SSL_get_selected_srtp_profile(con); + + if (srtp_profile) + BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", + srtp_profile->name); + } +#endif + if (SSL_cache_hit(con)) + 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 + client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con)); + if (client_princ != NULL) { + BIO_printf(bio_s_out, "Kerberos peer principal is %s\n", + client_princ); + } +#endif /* OPENSSL_NO_KRB5 */ + BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", + SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); + if (keymatexportlabel != NULL) { + BIO_printf(bio_s_out, "Keying material exporter:\n"); + BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); + BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); + exportedkeymat = OPENSSL_malloc(keymatexportlen); + if (exportedkeymat != NULL) { + if (!SSL_export_keying_material(con, exportedkeymat, + keymatexportlen, + keymatexportlabel, + strlen(keymatexportlabel), + NULL, 0, 0)) { + BIO_printf(bio_s_out, " Error\n"); + } else { + BIO_printf(bio_s_out, " Keying material: "); + for (i = 0; i < keymatexportlen; i++) + BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); + BIO_printf(bio_s_out, "\n"); + } + OPENSSL_free(exportedkeymat); + } + } + + 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 +#ifndef OPENSSL_NO_KRB5 +char *client_princ; +#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, int stype, 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; +#ifndef OPENSSL_NO_KRB5 + KSSL_CTX *kctx; +#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 ((kctx = kssl_ctx_new()) != NULL) { + kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); + kssl_ctx_setstring(kctx, 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) { + SSL_set_debug(con, 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) { +#ifndef OPENSSL_NO_SSL_TRACE + if (s_msg == 2) + SSL_set_msg_callback(con, SSL_trace); + else +#endif + SSL_set_msg_callback(con, msg_cb); + SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); + } + + for (;;) { + if (hack) { + i = SSL_accept(con); +#ifndef OPENSSL_NO_SRP + while (i <= 0 + && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { + BIO_printf(bio_s_out, "LOOKUP during accept %s\n", + srp_callback_parm.login); + SRP_user_pwd_free(srp_callback_parm.user); + srp_callback_parm.user = + SRP_VBASE_get1_by_user(srp_callback_parm.vb, + srp_callback_parm.login); + if (srp_callback_parm.user) + BIO_printf(bio_s_out, "LOOKUP done %s\n", + srp_callback_parm.user->info); + else + BIO_printf(bio_s_out, "LOOKUP not successful\n"); + i = SSL_accept(con); + } +#endif + 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"); +#ifndef OPENSSL_NO_SRP + if (BIO_should_io_special(io) + && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { + BIO_printf(bio_s_out, "LOOKUP renego during read\n"); + SRP_user_pwd_free(srp_callback_parm.user); + srp_callback_parm.user = + SRP_VBASE_get1_by_user(srp_callback_parm.vb, + srp_callback_parm.login); + if (srp_callback_parm.user) + BIO_printf(bio_s_out, "LOOKUP done %s\n", + srp_callback_parm.user->info); + else + BIO_printf(bio_s_out, "LOOKUP not successful\n"); + continue; + } +#endif +#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, 11) == 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"); + + BIO_printf(io, + "Secure Renegotiation IS%s supported\n", + SSL_get_secure_renegotiation_support(con) ? + "" : " NOT"); + + /* + * 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"); + } + ssl_print_sigalgs(io, con); +#ifndef OPENSSL_NO_EC + ssl_print_curves(io, con, 0); +#endif + BIO_printf(io, (SSL_cache_hit(con) + ? "---\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); +} + +static int rev_body(char *hostname, int s, int stype, unsigned char *context) +{ + char *buf = NULL; + int i; + int ret = 1; + SSL *con; + BIO *io, *ssl_bio, *sbio; +#ifndef OPENSSL_NO_KRB5 + KSSL_CTX *kctx; +#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; + + /* 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 ((kctx = kssl_ctx_new()) != NULL) { + kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); + kssl_ctx_setstring(kctx, 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); + SSL_set_bio(con, sbio, sbio); + SSL_set_accept_state(con); + + 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) { + SSL_set_debug(con, 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) { +#ifndef OPENSSL_NO_SSL_TRACE + if (s_msg == 2) + SSL_set_msg_callback(con, SSL_trace); + else +#endif + SSL_set_msg_callback(con, msg_cb); + SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); + } + + for (;;) { + i = BIO_do_handshake(io); + if (i > 0) + break; + if (!BIO_should_retry(io)) { + BIO_puts(bio_err, "CONNECTION FAILURE\n"); + ERR_print_errors(bio_err); + goto end; + } +#ifndef OPENSSL_NO_SRP + if (BIO_should_io_special(io) + && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { + BIO_printf(bio_s_out, "LOOKUP renego during accept\n"); + SRP_user_pwd_free(srp_callback_parm.user); + srp_callback_parm.user = + SRP_VBASE_get1_by_user(srp_callback_parm.vb, + srp_callback_parm.login); + if (srp_callback_parm.user) + BIO_printf(bio_s_out, "LOOKUP done %s\n", + srp_callback_parm.user->info); + else + BIO_printf(bio_s_out, "LOOKUP not successful\n"); + continue; + } +#endif + } + BIO_printf(bio_err, "CONNECTION ESTABLISHED\n"); + print_ssl_summary(bio_err, con); + + for (;;) { + 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"); +#ifndef OPENSSL_NO_SRP + if (BIO_should_io_special(io) + && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { + BIO_printf(bio_s_out, "LOOKUP renego during read\n"); + SRP_user_pwd_free(srp_callback_parm.user); + srp_callback_parm.user = + SRP_VBASE_get1_by_user(srp_callback_parm.vb, + srp_callback_parm.login); + if (srp_callback_parm.user) + BIO_printf(bio_s_out, "LOOKUP done %s\n", + srp_callback_parm.user->info); + else + BIO_printf(bio_s_out, "LOOKUP not successful\n"); + continue; + } +#endif +#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; + BIO_printf(bio_err, "CONNECTION CLOSED\n"); + goto end; + } else { + char *p = buf + i - 1; + while (i && (*p == '\n' || *p == '\r')) { + p--; + i--; + } + if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5)) { + ret = 1; + BIO_printf(bio_err, "CONNECTION CLOSED\n"); + goto end; + } + BUF_reverse((unsigned char *)buf, NULL, i); + buf[i] = '\n'; + BIO_write(io, buf, i + 1); + for (;;) { + i = BIO_flush(io); + if (i > 0) + break; + if (!BIO_should_retry(io)) + goto end; + } + } + } + end: + /* make sure we re-use sessions */ + SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); + + err: + + if (buf != NULL) + OPENSSL_free(buf); + if (io != NULL) + BIO_free_all(io); + 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 { + if (RAND_bytes(id, *id_len) <= 0) + return 0; + /* + * 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; +} + +/* + * By default s_server uses an in-memory cache which caches SSL_SESSION + * structures without any serialisation. This hides some bugs which only + * become apparent in deployed servers. By implementing a basic external + * session cache some issues can be debugged using s_server. + */ + +typedef struct simple_ssl_session_st { + unsigned char *id; + unsigned int idlen; + unsigned char *der; + int derlen; + struct simple_ssl_session_st *next; +} simple_ssl_session; + +static simple_ssl_session *first = NULL; + +static int add_session(SSL *ssl, SSL_SESSION *session) +{ + simple_ssl_session *sess; + unsigned char *p; + + sess = OPENSSL_malloc(sizeof(simple_ssl_session)); + if (!sess) { + BIO_printf(bio_err, "Out of memory adding session to external cache\n"); + return 0; + } + + SSL_SESSION_get_id(session, &sess->idlen); + sess->derlen = i2d_SSL_SESSION(session, NULL); + + sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen); + + sess->der = OPENSSL_malloc(sess->derlen); + if (!sess->id || !sess->der) { + BIO_printf(bio_err, "Out of memory adding session to external cache\n"); + + if (sess->id) + OPENSSL_free(sess->id); + if (sess->der) + OPENSSL_free(sess->der); + OPENSSL_free(sess); + return 0; + } + p = sess->der; + i2d_SSL_SESSION(session, &p); + + sess->next = first; + first = sess; + BIO_printf(bio_err, "New session added to external cache\n"); + return 0; +} + +static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen, + int *do_copy) +{ + simple_ssl_session *sess; + *do_copy = 0; + for (sess = first; sess; sess = sess->next) { + if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) { + const unsigned char *p = sess->der; + BIO_printf(bio_err, "Lookup session: cache hit\n"); + return d2i_SSL_SESSION(NULL, &p, sess->derlen); + } + } + BIO_printf(bio_err, "Lookup session: cache miss\n"); + return NULL; +} + +static void del_session(SSL_CTX *sctx, SSL_SESSION *session) +{ + simple_ssl_session *sess, *prev = NULL; + const unsigned char *id; + unsigned int idlen; + id = SSL_SESSION_get_id(session, &idlen); + for (sess = first; sess; sess = sess->next) { + if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) { + if (prev) + prev->next = sess->next; + else + first = sess->next; + OPENSSL_free(sess->id); + OPENSSL_free(sess->der); + OPENSSL_free(sess); + return; + } + prev = sess; + } +} + +static void init_session_cache_ctx(SSL_CTX *sctx) +{ + SSL_CTX_set_session_cache_mode(sctx, + SSL_SESS_CACHE_NO_INTERNAL | + SSL_SESS_CACHE_SERVER); + SSL_CTX_sess_set_new_cb(sctx, add_session); + SSL_CTX_sess_set_get_cb(sctx, get_session); + SSL_CTX_sess_set_remove_cb(sctx, del_session); +} + +static void free_sessions(void) +{ + simple_ssl_session *sess, *tsess; + for (sess = first; sess;) { + OPENSSL_free(sess->id); + OPENSSL_free(sess->der); + tsess = sess; + sess = sess->next; + OPENSSL_free(tsess); + } + first = NULL; +} |