diff options
Diffstat (limited to 'usr.bin/openssl/s_server.c')
| -rw-r--r-- | usr.bin/openssl/s_server.c | 2154 |
1 files changed, 2154 insertions, 0 deletions
diff --git a/usr.bin/openssl/s_server.c b/usr.bin/openssl/s_server.c new file mode 100644 index 00000000000..7fa875c661c --- /dev/null +++ b/usr.bin/openssl/s_server.c @@ -0,0 +1,2154 @@ +/* $OpenBSD: s_server.c,v 1.1 2014/08/26 17:47:25 jsing Exp $ */ +/* 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 <sys/types.h> +#include <sys/ioctl.h> +#include <sys/select.h> +#include <sys/socket.h> + +#include <assert.h> +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <limits.h> +#include <string.h> +#include <unistd.h> + +#include "apps.h" + +#include <openssl/bn.h> +#include <openssl/err.h> +#include <openssl/lhash.h> +#include <openssl/ocsp.h> +#include <openssl/pem.h> +#include <openssl/rand.h> +#include <openssl/ssl.h> +#include <openssl/x509.h> + +#ifndef OPENSSL_NO_DH +#include <openssl/dh.h> +#endif + +#include <openssl/rsa.h> + +#include "s_apps.h" +#include "timeouts.h" + +static RSA *tmp_rsa_cb(SSL * s, int is_export, int keylength); +static int sv_body(char *hostname, int s, unsigned char *context); +static int www_body(char *hostname, int s, unsigned char *context); +static void close_accept_socket(void); +static void sv_usage(void); +static int init_ssl_connection(SSL * s); +static void print_stats(BIO * bp, SSL_CTX * ctx); +static int +generate_session_id(const SSL * ssl, unsigned char *id, + unsigned int *id_len); +#ifndef OPENSSL_NO_DH +static DH *load_dh_param(const char *dhfile); +static DH *get_dh512(void); +#endif + +static void s_server_init(void); + +#ifndef OPENSSL_NO_DH +static unsigned char dh512_p[] = { + 0xDA, 0x58, 0x3C, 0x16, 0xD9, 0x85, 0x22, 0x89, 0xD0, 0xE4, 0xAF, 0x75, + 0x6F, 0x4C, 0xCA, 0x92, 0xDD, 0x4B, 0xE5, 0x33, 0xB8, 0x04, 0xFB, 0x0F, + 0xED, 0x94, 0xEF, 0x9C, 0x8A, 0x44, 0x03, 0xED, 0x57, 0x46, 0x50, 0xD3, + 0x69, 0x99, 0xDB, 0x29, 0xD7, 0x76, 0x27, 0x6B, 0xA2, 0xD3, 0xD4, 0x12, + 0xE2, 0x18, 0xF4, 0xDD, 0x1E, 0x08, 0x4C, 0xF6, 0xD8, 0x00, 0x3E, 0x7C, + 0x47, 0x74, 0xE8, 0x33, +}; +static unsigned char dh512_g[] = { + 0x02, +}; + +static DH * +get_dh512(void) +{ + DH *dh = NULL; + + if ((dh = DH_new()) == NULL) + return (NULL); + dh->p = BN_bin2bn(dh512_p, sizeof(dh512_p), NULL); + dh->g = BN_bin2bn(dh512_g, sizeof(dh512_g), NULL); + if ((dh->p == NULL) || (dh->g == NULL)) + return (NULL); + return (dh); +} +#endif + + +/* static int load_CA(SSL_CTX *ctx, char *file);*/ + +#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 + +extern int verify_depth, verify_return_error; + +static char *cipher = NULL; +static int s_server_verify = SSL_VERIFY_NONE; +static int s_server_session_id_context = 1; /* anything will do */ +static const char *s_cert_file = TEST_CERT, *s_key_file = NULL; +#ifndef OPENSSL_NO_TLSEXT +static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL; +#endif +static char *s_dcert_file = NULL, *s_dkey_file = NULL; +static int s_nbio = 0; +static int s_nbio_test = 0; +int s_crlf = 0; +static SSL_CTX *ctx = NULL; +#ifndef OPENSSL_NO_TLSEXT +static SSL_CTX *ctx2 = NULL; +#endif +static int www = 0; + +static BIO *bio_s_out = NULL; +static int s_debug = 0; +#ifndef OPENSSL_NO_TLSEXT +static int s_tlsextdebug = 0; +static int s_tlsextstatus = 0; +static int cert_status_cb(SSL * s, void *arg); +#endif +static int s_msg = 0; +static int s_quiet = 0; + +static char *keymatexportlabel = NULL; +static int keymatexportlen = 20; + +static int hack = 0; +#ifndef OPENSSL_NO_ENGINE +static char *engine_id = NULL; +#endif +static const char *session_id_prefix = NULL; + +static int enable_timeouts = 0; +static long socket_mtu; +#ifndef OPENSSL_NO_DTLS1 +static int cert_chain = 0; +#endif + + + + +static void +s_server_init(void) +{ + accept_socket = -1; + cipher = NULL; + s_server_verify = SSL_VERIFY_NONE; + s_dcert_file = NULL; + s_dkey_file = NULL; + s_cert_file = TEST_CERT; + s_key_file = NULL; +#ifndef OPENSSL_NO_TLSEXT + s_cert_file2 = TEST_CERT2; + s_key_file2 = NULL; + ctx2 = NULL; +#endif + s_nbio = 0; + s_nbio_test = 0; + ctx = NULL; + www = 0; + + bio_s_out = NULL; + s_debug = 0; + s_msg = 0; + s_quiet = 0; + hack = 0; +#ifndef OPENSSL_NO_ENGINE + engine_id = NULL; +#endif +} + +static void +sv_usage(void) +{ + BIO_printf(bio_err, "usage: s_server [args ...]\n"); + BIO_printf(bio_err, "\n"); + BIO_printf(bio_err, " -accept arg - port to accept on (default is %d)\n", PORT); + BIO_printf(bio_err, " -context arg - set session ID context\n"); + BIO_printf(bio_err, " -verify arg - turn on peer certificate verification\n"); + BIO_printf(bio_err, " -Verify arg - turn on peer certificate verification, must have a cert.\n"); + BIO_printf(bio_err, " -cert arg - certificate file to use\n"); + BIO_printf(bio_err, " (default is %s)\n", TEST_CERT); + BIO_printf(bio_err, " -crl_check - check the peer certificate has not been revoked by its CA.\n" \ + " The CRL(s) are appended to the certificate file\n"); + BIO_printf(bio_err, " -crl_check_all - check the peer certificate has not been revoked by its CA\n" \ + " or any other CRL in the CA chain. CRL(s) are appended 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"); + 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"); + BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n"); + BIO_printf(bio_err, " -nbio_test - test with the non-blocking test bio\n"); + BIO_printf(bio_err, " -crlf - convert LF from terminal into CRLF\n"); + BIO_printf(bio_err, " -debug - Print more output\n"); + BIO_printf(bio_err, " -msg - Show protocol messages\n"); + BIO_printf(bio_err, " -state - Print the SSL states\n"); + BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n"); + BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n"); + BIO_printf(bio_err, " -nocert - Don't use any certificates (Anon-DH)\n"); + BIO_printf(bio_err, " -cipher arg - play with 'openssl ciphers' to see what goes here\n"); + BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n"); + BIO_printf(bio_err, " -quiet - Inhibit printing of session and certificate information\n"); + BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n"); + BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n"); + 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, " -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 + BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n"); + BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n"); + BIO_printf(bio_err, " -www - Respond to a 'GET /' with a status page\n"); + BIO_printf(bio_err, " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); + BIO_printf(bio_err, " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); + BIO_printf(bio_err, " with the assumption it contains a complete HTTP response.\n"); +#ifndef OPENSSL_NO_ENGINE + BIO_printf(bio_err, " -engine id - Initialise and use the specified engine\n"); +#endif + BIO_printf(bio_err, " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); +#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"); +#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 +#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"); +} + +static int local_argc = 0; +static char **local_argv; + +#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 +ssl_servername_cb(SSL * s, int *ad, void *arg) +{ + tlsextctx *p = (tlsextctx *) arg; + const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); + if (servername && p->biodebug) + BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", servername); + + if (!p->servername) + return SSL_TLSEXT_ERR_NOACK; + + if (servername) { + if (strcmp(servername, p->servername)) + return p->extension_error; + if (ctx2) { + BIO_printf(p->biodebug, "Switching server context.\n"); + SSL_set_SSL_CTX(s, ctx2); + } + } + return SSL_TLSEXT_ERR_OK; +} + +/* Structure passed to cert status callback */ + +typedef struct tlsextstatusctx_st { + /* Default responder to use */ + char *host, *path, *port; + int use_ssl; + int timeout; + BIO *err; + int verbose; +} tlsextstatusctx; + +static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0}; + +/* Certificate Status callback. This is called when a client includes a + * certificate status request extension. + * + * This is a simplified version. It examines certificates each time and + * makes one OCSP responder query for each request. + * + * A full version would store details such as the OCSP certificate IDs and + * minimise the number of OCSP responses by caching them until they were + * considered "expired". + */ + +static int +cert_status_cb(SSL * s, void *arg) +{ + tlsextstatusctx *srctx = arg; + BIO *err = srctx->err; + char *host, *port, *path; + int use_ssl; + unsigned char *rspder = NULL; + int rspderlen; + STACK_OF(OPENSSL_STRING) * aia = NULL; + X509 *x = NULL; + X509_STORE_CTX inctx; + X509_OBJECT obj; + OCSP_REQUEST *req = NULL; + OCSP_RESPONSE *resp = NULL; + OCSP_CERTID *id = NULL; + STACK_OF(X509_EXTENSION) * exts; + int ret = SSL_TLSEXT_ERR_NOACK; + int i; + + if (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) { + free(host); + free(path); + 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 */ + + +#endif + +int s_server_main(int, char **); + +#ifndef OPENSSL_NO_SRTP +static char *srtp_profiles = NULL; +#endif + +int +s_server_main(int argc, char *argv[]) +{ + X509_VERIFY_PARAM *vpm = NULL; + int badarg = 0; + short port = PORT; + char *CApath = NULL, *CAfile = NULL; + unsigned char *context = NULL; + char *dhfile = NULL; + char *named_curve = NULL; + int badop = 0, bugs = 0; + int ret = 1; + int off = 0; + int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0; + int state = 0; + const SSL_METHOD *meth = NULL; + int socket_type = SOCK_STREAM; + ENGINE *e = NULL; + int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; + char *passarg = NULL, *pass = NULL; + char *dpassarg = NULL, *dpass = NULL; + int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; + X509 *s_cert = NULL, *s_dcert = NULL; + EVP_PKEY *s_key = NULL, *s_dkey = NULL; + int no_cache = 0; + const char *errstr = NULL; +#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; +#endif +#endif + meth = SSLv23_server_method(); + + local_argc = argc; + local_argv = argv; + + s_server_init(); + + verify_depth = 0; + s_nbio = 0; + s_nbio_test = 0; + + argc--; + argv++; + + while (argc >= 1) { + if ((strcmp(*argv, "-port") == 0) || + (strcmp(*argv, "-accept") == 0)) { + if (--argc < 1) + goto bad; + if (!extract_port(*(++argv), &port)) + goto bad; + } else if (strcmp(*argv, "-verify") == 0) { + s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; + if (--argc < 1) + goto bad; + verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr); + if (errstr) + goto bad; + 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 = strtonum(*(++argv), 0, INT_MAX, &errstr); + if (errstr) + goto bad; + BIO_printf(bio_err, "verify depth is %d, must return a certificate\n", verify_depth); + } else if (strcmp(*argv, "-context") == 0) { + if (--argc < 1) + goto bad; + context = (unsigned char *) *(++argv); + } else if (strcmp(*argv, "-cert") == 0) { + if (--argc < 1) + goto bad; + s_cert_file = *(++argv); + } else if (strcmp(*argv, "-certform") == 0) { + if (--argc < 1) + goto bad; + s_cert_format = str2fmt(*(++argv)); + } else if (strcmp(*argv, "-key") == 0) { + if (--argc < 1) + goto bad; + s_key_file = *(++argv); + } else if (strcmp(*argv, "-keyform") == 0) { + if (--argc < 1) + goto bad; + s_key_format = str2fmt(*(++argv)); + } else if (strcmp(*argv, "-pass") == 0) { + if (--argc < 1) + goto bad; + passarg = *(++argv); + } else if (strcmp(*argv, "-dhparam") == 0) { + if (--argc < 1) + goto bad; + dhfile = *(++argv); + } + else if (strcmp(*argv, "-named_curve") == 0) { + if (--argc < 1) + goto bad; + named_curve = *(++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, "-nocert") == 0) { + nocert = 1; + } else if (strcmp(*argv, "-CApath") == 0) { + if (--argc < 1) + goto bad; + CApath = *(++argv); + } else if (strcmp(*argv, "-no_cache") == 0) + no_cache = 1; + else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { + if (badarg) + goto bad; + continue; + } else if (strcmp(*argv, "-verify_return_error") == 0) + verify_return_error = 1; + else if (strcmp(*argv, "-serverpref") == 0) { + off |= SSL_OP_CIPHER_SERVER_PREFERENCE; + } else if (strcmp(*argv, "-legacy_renegotiation") == 0) + ; /* no-op */ + else if (strcmp(*argv, "-cipher") == 0) { + if (--argc < 1) + goto bad; + cipher = *(++argv); + } else if (strcmp(*argv, "-CAfile") == 0) { + if (--argc < 1) + goto bad; + CAfile = *(++argv); + } + else if (strcmp(*argv, "-nbio") == 0) { + s_nbio = 1; + } + else if (strcmp(*argv, "-nbio_test") == 0) { + s_nbio = 1; + s_nbio_test = 1; + } else if (strcmp(*argv, "-debug") == 0) { + s_debug = 1; + } +#ifndef OPENSSL_NO_TLSEXT + else if (strcmp(*argv, "-tlsextdebug") == 0) + s_tlsextdebug = 1; + else if (strcmp(*argv, "-status") == 0) + s_tlsextstatus = 1; + else if (strcmp(*argv, "-status_verbose") == 0) { + s_tlsextstatus = 1; + tlscstatp.verbose = 1; + } else if (!strcmp(*argv, "-status_timeout")) { + s_tlsextstatus = 1; + if (--argc < 1) + goto bad; + tlscstatp.timeout = strtonum(*(++argv), 0, INT_MAX, &errstr); + if (errstr) + goto bad; + } else if (!strcmp(*argv, "-status_url")) { + s_tlsextstatus = 1; + if (--argc < 1) + goto bad; + if (!OCSP_parse_url(*(++argv), + &tlscstatp.host, + &tlscstatp.port, + &tlscstatp.path, + &tlscstatp.use_ssl)) { + BIO_printf(bio_err, "Error parsing URL\n"); + goto bad; + } + } +#endif + else if (strcmp(*argv, "-msg") == 0) { + s_msg = 1; + } else if (strcmp(*argv, "-hack") == 0) { + hack = 1; + } else if (strcmp(*argv, "-state") == 0) { + state = 1; + } else if (strcmp(*argv, "-crlf") == 0) { + s_crlf = 1; + } else if (strcmp(*argv, "-quiet") == 0) { + s_quiet = 1; + } else if (strcmp(*argv, "-bugs") == 0) { + bugs = 1; + } else if (strcmp(*argv, "-no_tmp_rsa") == 0) { + no_tmp_rsa = 1; + } else if (strcmp(*argv, "-no_dhe") == 0) { + no_dhe = 1; + } else if (strcmp(*argv, "-no_ecdhe") == 0) { + no_ecdhe = 1; + } + else if (strcmp(*argv, "-www") == 0) { + www = 1; + } else if (strcmp(*argv, "-WWW") == 0) { + www = 2; + } else if (strcmp(*argv, "-HTTP") == 0) { + www = 3; + } else if (strcmp(*argv, "-no_ssl2") == 0) { + off |= SSL_OP_NO_SSLv2; + } else if (strcmp(*argv, "-no_ssl3") == 0) { + off |= SSL_OP_NO_SSLv3; + } else if (strcmp(*argv, "-no_tls1") == 0) { + off |= SSL_OP_NO_TLSv1; + } else if (strcmp(*argv, "-no_tls1_1") == 0) { + off |= SSL_OP_NO_TLSv1_1; + } else if (strcmp(*argv, "-no_tls1_2") == 0) { + off |= SSL_OP_NO_TLSv1_2; + } else if (strcmp(*argv, "-no_comp") == 0) { + off |= SSL_OP_NO_COMPRESSION; + } +#ifndef OPENSSL_NO_TLSEXT + else if (strcmp(*argv, "-no_ticket") == 0) { + off |= SSL_OP_NO_TICKET; + } +#endif + else if (strcmp(*argv, "-ssl3") == 0) { + meth = SSLv3_server_method(); + } else if (strcmp(*argv, "-tls1") == 0) { + meth = TLSv1_server_method(); + } else if (strcmp(*argv, "-tls1_1") == 0) { + meth = TLSv1_1_server_method(); + } else if (strcmp(*argv, "-tls1_2") == 0) { + meth = TLSv1_2_server_method(); + } +#ifndef OPENSSL_NO_DTLS1 + else if (strcmp(*argv, "-dtls1") == 0) { + meth = DTLSv1_server_method(); + socket_type = SOCK_DGRAM; + } else if (strcmp(*argv, "-timeout") == 0) + enable_timeouts = 1; + else if (strcmp(*argv, "-mtu") == 0) { + if (--argc < 1) + goto bad; + socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr); + if (errstr) + goto bad; + } 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 +#ifndef OPENSSL_NO_TLSEXT + else if (strcmp(*argv, "-servername") == 0) { + if (--argc < 1) + goto bad; + tlsextcbp.servername = *(++argv); + } else if (strcmp(*argv, "-servername_fatal") == 0) { + tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; + } else if (strcmp(*argv, "-cert2") == 0) { + if (--argc < 1) + goto bad; + s_cert_file2 = *(++argv); + } else if (strcmp(*argv, "-key2") == 0) { + if (--argc < 1) + goto bad; + s_key_file2 = *(++argv); + } +#ifndef OPENSSL_NO_NEXTPROTONEG + else if (strcmp(*argv, "-nextprotoneg") == 0) { + if (--argc < 1) + goto bad; + next_proto_neg_in = *(++argv); + } +#endif +#endif +#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 = strtonum(*(++argv), 1, INT_MAX, &errstr); + if (errstr) + goto bad; + } else { + BIO_printf(bio_err, "unknown option %s\n", *argv); + badop = 1; + break; + } + argc--; + argv++; + } + if (badop) { +bad: + if (errstr) + BIO_printf(bio_err, "invalid argument %s: %s\n", + *argv, errstr); + else + sv_usage(); + goto end; + } + +#ifndef OPENSSL_NO_ENGINE + e = setup_engine(bio_err, engine_id, 1); +#endif + + if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) { + BIO_printf(bio_err, "Error getting password\n"); + goto end; + } + if (s_key_file == NULL) + s_key_file = s_cert_file; +#ifndef OPENSSL_NO_TLSEXT + if (s_key_file2 == NULL) + s_key_file2 = s_cert_file2; +#endif + + if (nocert == 0) { + s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, + "server certificate private key file"); + if (!s_key) { + ERR_print_errors(bio_err); + goto end; + } + s_cert = load_cert(bio_err, s_cert_file, s_cert_format, + NULL, e, "server certificate file"); + + if (!s_cert) { + ERR_print_errors(bio_err); + goto end; + } +#ifndef OPENSSL_NO_TLSEXT + if (tlsextcbp.servername) { + s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, + "second server certificate private key file"); + if (!s_key2) { + ERR_print_errors(bio_err); + goto end; + } + s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format, + NULL, e, "second server certificate file"); + + if (!s_cert2) { + ERR_print_errors(bio_err); + goto end; + } + } +#endif + } +#if !defined(OPENSSL_NO_TLSEXT) && !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 + + + 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 (bio_s_out == NULL) { + if (s_quiet && !s_debug && !s_msg) { + bio_s_out = BIO_new(BIO_s_null()); + } else { + if (bio_s_out == NULL) + bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE); + } + } + if (nocert) + { + s_cert_file = NULL; + s_key_file = NULL; + s_dcert_file = NULL; + s_dkey_file = NULL; +#ifndef OPENSSL_NO_TLSEXT + s_cert_file2 = NULL; + s_key_file2 = NULL; +#endif + } + ctx = SSL_CTX_new(meth); + if (ctx == NULL) { + ERR_print_errors(bio_err); + goto end; + } + if (session_id_prefix) { + if (strlen(session_id_prefix) >= 32) + BIO_printf(bio_err, + "warning: id_prefix is too long, only one new session will be possible\n"); + else if (strlen(session_id_prefix) >= 16) + BIO_printf(bio_err, + "warning: id_prefix is too long if you use SSLv2\n"); + if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { + BIO_printf(bio_err, "error setting 'id_prefix'\n"); + ERR_print_errors(bio_err); + goto end; + } + BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); + } + SSL_CTX_set_quiet_shutdown(ctx, 1); + if (bugs) + SSL_CTX_set_options(ctx, SSL_OP_ALL); + if (hack) + SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); + SSL_CTX_set_options(ctx, off); + /* + * DTLS: partial reads end up discarding unread UDP bytes :-( Setting + * read ahead solves this problem. + */ + if (socket_type == SOCK_DGRAM) + SSL_CTX_set_read_ahead(ctx, 1); + + if (state) + SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); + if (no_cache) + SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); + else + SSL_CTX_sess_set_cache_size(ctx, 128); + +#ifndef OPENSSL_NO_SRTP + if (srtp_profiles != NULL) + SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); +#endif + + + if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) || + (!SSL_CTX_set_default_verify_paths(ctx))) { + /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ + ERR_print_errors(bio_err); + /* goto end; */ + } + if (vpm) + SSL_CTX_set1_param(ctx, vpm); + +#ifndef OPENSSL_NO_TLSEXT + if (s_cert2) { + ctx2 = SSL_CTX_new(meth); + if (ctx2 == NULL) { + ERR_print_errors(bio_err); + goto end; + } + } + if (ctx2) { + BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); + + if (session_id_prefix) { + if (strlen(session_id_prefix) >= 32) + BIO_printf(bio_err, + "warning: id_prefix is too long, only one new session will be possible\n"); + else if (strlen(session_id_prefix) >= 16) + BIO_printf(bio_err, + "warning: id_prefix is too long if you use SSLv2\n"); + if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { + BIO_printf(bio_err, "error setting 'id_prefix'\n"); + ERR_print_errors(bio_err); + goto end; + } + BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); + } + SSL_CTX_set_quiet_shutdown(ctx2, 1); + if (bugs) + SSL_CTX_set_options(ctx2, SSL_OP_ALL); + if (hack) + SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); + SSL_CTX_set_options(ctx2, off); + /* + * DTLS: partial reads end up discarding unread UDP bytes :-( + * Setting read ahead solves this problem. + */ + if (socket_type == SOCK_DGRAM) + SSL_CTX_set_read_ahead(ctx2, 1); + + if (state) + SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); + + if (no_cache) + SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); + else + SSL_CTX_sess_set_cache_size(ctx2, 128); + + if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) || + (!SSL_CTX_set_default_verify_paths(ctx2))) { + ERR_print_errors(bio_err); + } + if (vpm) + SSL_CTX_set1_param(ctx2, vpm); + } +#ifndef OPENSSL_NO_NEXTPROTONEG + if (next_proto.data) + SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto); +#endif +#endif + +#ifndef OPENSSL_NO_DH + if (!no_dhe) { + DH *dh = NULL; + + if (dhfile) + dh = load_dh_param(dhfile); + else if (s_cert_file) + dh = load_dh_param(s_cert_file); + + if (dh != NULL) { + BIO_printf(bio_s_out, "Setting temp DH parameters\n"); + } else { + BIO_printf(bio_s_out, "Using default temp DH parameters\n"); + dh = get_dh512(); + } + (void) BIO_flush(bio_s_out); + + SSL_CTX_set_tmp_dh(ctx, dh); +#ifndef OPENSSL_NO_TLSEXT + if (ctx2) { + if (!dhfile) { + DH *dh2 = load_dh_param(s_cert_file2); + if (dh2 != NULL) { + BIO_printf(bio_s_out, "Setting temp DH parameters\n"); + (void) BIO_flush(bio_s_out); + + DH_free(dh); + dh = dh2; + } + } + SSL_CTX_set_tmp_dh(ctx2, dh); + } +#endif + DH_free(dh); + } +#endif + + if (!no_ecdhe) { + EC_KEY *ecdh = NULL; + + if (named_curve) { + int nid = OBJ_sn2nid(named_curve); + + if (nid == 0) { + BIO_printf(bio_err, "unknown curve name (%s)\n", + named_curve); + goto end; + } + ecdh = EC_KEY_new_by_curve_name(nid); + if (ecdh == NULL) { + BIO_printf(bio_err, "unable to create curve (%s)\n", + named_curve); + goto end; + } + } + if (ecdh != NULL) { + BIO_printf(bio_s_out, "Setting temp ECDH parameters\n"); + } else { + BIO_printf(bio_s_out, "Using default temp ECDH parameters\n"); + ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1); + if (ecdh == NULL) { + BIO_printf(bio_err, "unable to create curve (nistp256)\n"); + goto end; + } + } + (void) BIO_flush(bio_s_out); + + SSL_CTX_set_tmp_ecdh(ctx, ecdh); +#ifndef OPENSSL_NO_TLSEXT + if (ctx2) + SSL_CTX_set_tmp_ecdh(ctx2, ecdh); +#endif + EC_KEY_free(ecdh); + } + + if (!set_cert_key_stuff(ctx, s_cert, s_key)) + goto end; +#ifndef OPENSSL_NO_TLSEXT + if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2)) + goto end; +#endif + if (s_dcert != NULL) { + if (!set_cert_key_stuff(ctx, s_dcert, s_dkey)) + goto end; + } + 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 + } + + + if (cipher != NULL) { + if (!SSL_CTX_set_cipher_list(ctx, cipher)) { + BIO_printf(bio_err, "error setting cipher list\n"); + ERR_print_errors(bio_err); + goto end; + } +#ifndef OPENSSL_NO_TLSEXT + if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) { + BIO_printf(bio_err, "error setting cipher list\n"); + ERR_print_errors(bio_err); + goto end; + } +#endif + } + SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); + SSL_CTX_set_session_id_context(ctx, (void *) &s_server_session_id_context, + sizeof s_server_session_id_context); + + /* Set DTLS cookie generation and verification callbacks */ + SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); + SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); + +#ifndef OPENSSL_NO_TLSEXT + if (ctx2) { + SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); + SSL_CTX_set_session_id_context(ctx2, (void *) &s_server_session_id_context, + sizeof s_server_session_id_context); + + tlsextcbp.biodebug = bio_s_out; + SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); + SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); + SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); + SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); + } +#endif + + if (CAfile != NULL) { + SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); +#ifndef OPENSSL_NO_TLSEXT + if (ctx2) + SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); +#endif + } + BIO_printf(bio_s_out, "ACCEPT\n"); + (void) BIO_flush(bio_s_out); + if (www) + do_server(port, socket_type, &accept_socket, www_body, context); + else + do_server(port, socket_type, &accept_socket, sv_body, context); + print_stats(bio_s_out, ctx); + ret = 0; +end: + if (ctx != NULL) + SSL_CTX_free(ctx); + if (s_cert) + X509_free(s_cert); + if (s_dcert) + X509_free(s_dcert); + if (s_key) + EVP_PKEY_free(s_key); + if (s_dkey) + EVP_PKEY_free(s_dkey); + free(pass); + free(dpass); + if (vpm) + X509_VERIFY_PARAM_free(vpm); +#ifndef OPENSSL_NO_TLSEXT + free(tlscstatp.host); + free(tlscstatp.port); + free(tlscstatp.path); + if (ctx2 != NULL) + SSL_CTX_free(ctx2); + if (s_cert2) + X509_free(s_cert2); + if (s_key2) + EVP_PKEY_free(s_key2); +#endif + if (bio_s_out != NULL) { + BIO_free(bio_s_out); + bio_s_out = NULL; + } + + return (ret); +} + +static void +print_stats(BIO * bio, SSL_CTX * ssl_ctx) +{ + BIO_printf(bio, "%4ld items in the session cache\n", + SSL_CTX_sess_number(ssl_ctx)); + BIO_printf(bio, "%4ld client connects (SSL_connect())\n", + SSL_CTX_sess_connect(ssl_ctx)); + BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", + SSL_CTX_sess_connect_renegotiate(ssl_ctx)); + BIO_printf(bio, "%4ld client connects that finished\n", + SSL_CTX_sess_connect_good(ssl_ctx)); + BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", + SSL_CTX_sess_accept(ssl_ctx)); + BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", + SSL_CTX_sess_accept_renegotiate(ssl_ctx)); + BIO_printf(bio, "%4ld server accepts that finished\n", + SSL_CTX_sess_accept_good(ssl_ctx)); + BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); + BIO_printf(bio, "%4ld session cache misses\n", SSL_CTX_sess_misses(ssl_ctx)); + BIO_printf(bio, "%4ld session cache timeouts\n", SSL_CTX_sess_timeouts(ssl_ctx)); + BIO_printf(bio, "%4ld callback cache hits\n", SSL_CTX_sess_cb_hits(ssl_ctx)); + BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", + SSL_CTX_sess_cache_full(ssl_ctx), + SSL_CTX_sess_get_cache_size(ssl_ctx)); +} + +static int +sv_body(char *hostname, int s, unsigned char *context) +{ + char *buf = NULL; + fd_set readfds; + int ret = 1, width; + int k, i; + unsigned long l; + SSL *con = NULL; + BIO *sbio; + struct timeval timeout; + struct timeval *timeoutp; + + if ((buf = malloc(bufsize)) == NULL) { + BIO_printf(bio_err, "out of memory\n"); + goto err; + } + 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); + } + + 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 + if (context) + SSL_set_session_id_context(con, context, + strlen((char *) context)); + } + SSL_clear(con); + + if (SSL_version(con) == DTLS1_VERSION) { + + sbio = BIO_new_dgram(s, BIO_NOCLOSE); + + if (enable_timeouts) { + timeout.tv_sec = 0; + timeout.tv_usec = DGRAM_RCV_TIMEOUT; + BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); + + timeout.tv_sec = 0; + timeout.tv_usec = DGRAM_SND_TIMEOUT; + BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); + } + if (socket_mtu > 28) { + SSL_set_options(con, SSL_OP_NO_QUERY_MTU); + SSL_set_mtu(con, socket_mtu - 28); + } else + /* want to do MTU discovery */ + BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); + + /* turn on cookie exchange */ + SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); + } else + sbio = BIO_new_socket(s, BIO_NOCLOSE); + + if (s_nbio_test) { + BIO *test; + + test = BIO_new(BIO_f_nbio_test()); + sbio = BIO_push(test, sbio); + } + + 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) { + SSL_set_msg_callback(con, msg_cb); + SSL_set_msg_callback_arg(con, bio_s_out); + } +#ifndef OPENSSL_NO_TLSEXT + if (s_tlsextdebug) { + SSL_set_tlsext_debug_callback(con, tlsext_cb); + SSL_set_tlsext_debug_arg(con, bio_s_out); + } +#endif + + width = s + 1; + for (;;) { + int read_from_terminal; + int read_from_sslcon; + + read_from_terminal = 0; + read_from_sslcon = SSL_pending(con); + + if (!read_from_sslcon) { + FD_ZERO(&readfds); + FD_SET(fileno(stdin), &readfds); + FD_SET(s, &readfds); + if ((SSL_version(con) == DTLS1_VERSION) && + DTLSv1_get_timeout(con, &timeout)) + timeoutp = &timeout; + else + timeoutp = NULL; + + i = select(width, &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; + if (FD_ISSET(s, &readfds)) + read_from_sslcon = 1; + } + if (read_from_terminal) { + if (s_crlf) { + int j, lf_num; + + i = read(fileno(stdin), buf, bufsize / 2); + lf_num = 0; + /* both loops are skipped when i <= 0 */ + for (j = 0; j < i; j++) + if (buf[j] == '\n') + lf_num++; + for (j = i - 1; j >= 0; j--) { + buf[j + lf_num] = buf[j]; + if (buf[j] == '\n') { + lf_num--; + i++; + buf[j + lf_num] = '\r'; + } + } + assert(lf_num == 0); + } else + i = read(fileno(stdin), buf, bufsize); + if (!s_quiet) { + if ((i <= 0) || (buf[0] == 'Q')) { + BIO_printf(bio_s_out, "DONE\n"); + shutdown(s, SHUT_RD); + close(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, SHUT_RD); + close(s); + } + /* + * close_accept_socket(); ret= -11; + */ + goto err; + } + if ((buf[0] == 'r') && + ((buf[1] == '\n') || (buf[1] == '\r'))) { + SSL_renegotiate(con); + i = SSL_do_handshake(con); + printf("SSL_do_handshake -> %d\n", i); + i = 0; /* 13; */ + continue; + /* + * strcpy(buf,"server side + * RE-NEGOTIATE\n"); + */ + } + if ((buf[0] == 'R') && + ((buf[1] == '\n') || (buf[1] == '\r'))) { + SSL_set_verify(con, + SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, NULL); + SSL_renegotiate(con); + i = SSL_do_handshake(con); + printf("SSL_do_handshake -> %d\n", i); + i = 0; /* 13; */ + continue; + /* + * strcpy(buf,"server side + * RE-NEGOTIATE asking for client + * cert\n"); + */ + } + if (buf[0] == 'P') { + static const char *str = "Lets print some clear text\n"; + BIO_write(SSL_get_wbio(con), str, strlen(str)); + } + if (buf[0] == 'S') { + print_stats(bio_s_out, SSL_get_SSL_CTX(con)); + } + } + l = k = 0; + for (;;) { + /* should do a select for the write */ +#ifdef RENEG + { + static count = 0; + if (++count == 100) { + count = 0; + SSL_renegotiate(con); + } + } +#endif + k = SSL_write(con, &(buf[l]), (unsigned int) i); + switch (SSL_get_error(con, k)) { + case SSL_ERROR_NONE: + break; + case SSL_ERROR_WANT_WRITE: + case SSL_ERROR_WANT_READ: + case SSL_ERROR_WANT_X509_LOOKUP: + BIO_printf(bio_s_out, "Write BLOCK\n"); + break; + case SSL_ERROR_SYSCALL: + case SSL_ERROR_SSL: + BIO_printf(bio_s_out, "ERROR\n"); + ERR_print_errors(bio_err); + ret = 1; + goto err; + /* break; */ + case SSL_ERROR_ZERO_RETURN: + BIO_printf(bio_s_out, "DONE\n"); + ret = 1; + goto err; + } + l += k; + i -= k; + if (i <= 0) + break; + } + } + if (read_from_sslcon) { + if (!SSL_is_init_finished(con)) { + i = init_ssl_connection(con); + + if (i < 0) { + ret = 0; + goto err; + } else if (i == 0) { + ret = 1; + goto err; + } + } else { + again: + i = SSL_read(con, (char *) buf, bufsize); + switch (SSL_get_error(con, i)) { + case SSL_ERROR_NONE: { + int len, n; + for (len = 0; len < i;) { + do { + n = write(fileno(stdout), buf + len, i - len); + } while (n == -1 && errno == EINTR); + + if (n < 0) { + BIO_printf(bio_s_out, "ERROR\n"); + goto err; + } + len += n; + } + } + 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"); + SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); + SSL_free(con); + } + BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); + if (buf != NULL) { + OPENSSL_cleanse(buf, bufsize); + 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) { + shutdown(accept_socket, SHUT_RDWR); + close(accept_socket); + } +} + +static int +init_ssl_connection(SSL * con) +{ + int i; + const char *str; + X509 *peer; + long verify_error; + char buf[BUFSIZ]; +#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); + 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)); + } else + ERR_print_errors(bio_err); + return (0); + } + PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); + + peer = SSL_get_peer_certificate(con); + if (peer != NULL) { + BIO_printf(bio_s_out, "Client certificate\n"); + PEM_write_bio_X509(bio_s_out, peer); + X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf); + BIO_printf(bio_s_out, "subject=%s\n", buf); + X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf); + BIO_printf(bio_s_out, "issuer=%s\n", buf); + X509_free(peer); + } + if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL) + BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); + str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); + BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); + +#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) + SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); + if (next_proto_neg) { + BIO_printf(bio_s_out, "NEXTPROTO is "); + BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); + BIO_printf(bio_s_out, "\n"); + } +#endif +#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"); + 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 = 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"); + } + 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: + BIO_free(bio); + return (ret); +} +#endif + +static int +www_body(char *hostname, int s, unsigned char *context) +{ + char *buf = NULL; + int ret = 1; + int i, j, k, dot; + SSL *con; + const SSL_CIPHER *c; + BIO *io, *ssl_bio, *sbio; + + buf = 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; + + 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); + } + + /* 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 + 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); + + 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) { + SSL_set_msg_callback(con, msg_cb); + SSL_set_msg_callback_arg(con, bio_s_out); + } + for (;;) { + if (hack) { + i = SSL_accept(con); + switch (SSL_get_error(con, i)) { + case SSL_ERROR_NONE: + break; + case SSL_ERROR_WANT_WRITE: + case SSL_ERROR_WANT_READ: + case SSL_ERROR_WANT_X509_LOOKUP: + continue; + case SSL_ERROR_SYSCALL: + case SSL_ERROR_SSL: + case SSL_ERROR_ZERO_RETURN: + ret = 1; + goto err; + /* break; */ + } + + SSL_renegotiate(con); + SSL_write(con, NULL, 0); + } + i = BIO_gets(io, buf, bufsize - 1); + if (i < 0) { /* error */ + if (!BIO_should_retry(io)) { + if (!s_quiet) + ERR_print_errors(bio_err); + goto err; + } else { + BIO_printf(bio_s_out, "read R BLOCK\n"); + sleep(1); + 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"); + } + 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 a directory, do the index thang */ + if (app_isdir(p) > 0) { + BIO_puts(io, text); + BIO_printf(io, "'%s' is a directory\r\n", p); + break; + } + 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: + /* make sure we re-use sessions */ + SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); + +err: + + if (ret >= 0) + BIO_printf(bio_s_out, "ACCEPT\n"); + + if (buf != NULL) + free(buf); + if (io != NULL) + BIO_free_all(io); +/* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ + return (ret); +} + +static RSA * +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); +} + +#define MAX_SESSION_ID_ATTEMPTS 10 +static int +generate_session_id(const SSL * ssl, unsigned char *id, + unsigned int *id_len) +{ + unsigned int count = 0; + do { + RAND_pseudo_bytes(id, *id_len); + /* + * Prefix the session_id with the required prefix. NB: If our + * prefix is too long, clip it - but there will be worse + * effects anyway, eg. the server could only possibly create + * 1 session ID (ie. the prefix!) so all future session + * negotiations will fail due to conflicts. + */ + memcpy(id, session_id_prefix, + (strlen(session_id_prefix) < *id_len) ? + strlen(session_id_prefix) : *id_len); + } + while (SSL_has_matching_session_id(ssl, id, *id_len) && + (++count < MAX_SESSION_ID_ATTEMPTS)); + if (count >= MAX_SESSION_ID_ATTEMPTS) + return 0; + return 1; +} |