From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/apps/s_server.c | 3305 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 3305 insertions(+) create mode 100644 openssl-1.1.0h/apps/s_server.c (limited to 'openssl-1.1.0h/apps/s_server.c') diff --git a/openssl-1.1.0h/apps/s_server.c b/openssl-1.1.0h/apps/s_server.c new file mode 100644 index 0000000..31c90fd --- /dev/null +++ b/openssl-1.1.0h/apps/s_server.c @@ -0,0 +1,3305 @@ +/* + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +/* ==================================================================== + * 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. + */ + +#include +#include +#include +#include +#if defined(_WIN32) +/* Included before async.h to avoid some warnings */ +# include +#endif + +#include +#include +#include + +#ifndef OPENSSL_NO_SOCK + +/* + * 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 +#include +#define USE_SOCKETS +#include "apps.h" +#include +#include +#include +#include +#include +#include +#ifndef OPENSSL_NO_DH +# include +#endif +#ifndef OPENSSL_NO_RSA +# include +#endif +#ifndef OPENSSL_NO_SRP +# include +#endif +#include "s_apps.h" +#include "timeouts.h" +#ifdef CHARSET_EBCDIC +#include +#endif + +static int not_resumable_sess_cb(SSL *s, int is_forward_secure); +static int sv_body(int s, int stype, unsigned char *context); +static int www_body(int s, int stype, unsigned char *context); +static int rev_body(int s, int stype, unsigned char *context); +static void close_accept_socket(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); +#endif + +static const int bufsize = 16 * 1024; +static int accept_socket = -1; + +#define TEST_CERT "server.pem" +#define TEST_CERT2 "server2.pem" + +static int s_nbio = 0; +static int s_nbio_test = 0; +static int s_crlf = 0; +static SSL_CTX *ctx = NULL; +static SSL_CTX *ctx2 = NULL; +static int www = 0; + +static BIO *bio_s_out = NULL; +static BIO *bio_s_msg = NULL; +static int s_debug = 0; +static int s_tlsextdebug = 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 async = 0; + +static const char *session_id_prefix = NULL; + +#ifndef OPENSSL_NO_DTLS +static int enable_timeouts = 0; +static long socket_mtu; +#endif + +/* + * We define this but make it always be 0 in no-dtls builds to simplify the + * code. + */ +static int dtlslisten = 0; + +#ifndef OPENSSL_NO_PSK +static const 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 = OPENSSL_hexstr2buf(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"); + (void)BIO_flush(bio_err); + (void)BIO_flush(bio_s_out); + 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 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 + +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 = NULL; + +/* This struct is "unwarranted chumminess with the compiler." */ +typedef struct { + size_t alloced; + char buff[1]; +} EBCDIC_OUTBUFF; + +static const BIO_METHOD *BIO_f_ebcdic_filter() +{ + if (methods_ebcdic == NULL) { + methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER, + "EBCDIC/ASCII filter"); + if (methods_ebcdic == NULL + || !BIO_meth_set_write(methods_ebcdic, ebcdic_write) + || !BIO_meth_set_read(methods_ebcdic, ebcdic_read) + || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts) + || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets) + || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl) + || !BIO_meth_set_create(methods_ebcdic, ebcdic_new) + || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free)) + return NULL; + } + return methods_ebcdic; +} + +static int ebcdic_new(BIO *bi) +{ + EBCDIC_OUTBUFF *wbuf; + + wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf"); + wbuf->alloced = 1024; + wbuf->buff[0] = '\0'; + + BIO_set_data(bi, wbuf); + BIO_set_init(bi, 1); + return 1; +} + +static int ebcdic_free(BIO *a) +{ + EBCDIC_OUTBUFF *wbuf; + + if (a == NULL) + return 0; + wbuf = BIO_get_data(a); + OPENSSL_free(wbuf); + BIO_set_data(a, NULL); + BIO_set_init(a, 0); + + return 1; +} + +static int ebcdic_read(BIO *b, char *out, int outl) +{ + int ret = 0; + BIO *next = BIO_next(b); + + if (out == NULL || outl == 0) + return (0); + if (next == NULL) + return (0); + + ret = BIO_read(next, 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; + BIO *next = BIO_next(b); + int ret = 0; + int num; + + if ((in == NULL) || (inl <= 0)) + return (0); + if (next == NULL) + return 0; + + wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b); + + if (inl > (num = wbuf->alloced)) { + num = num + num; /* double the size */ + if (num < inl) + num = inl; + OPENSSL_free(wbuf); + wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf"); + + wbuf->alloced = num; + wbuf->buff[0] = '\0'; + + BIO_set_data(b, wbuf); + } + + ebcdic2ascii(wbuf->buff, in, inl); + + ret = BIO_write(next, wbuf->buff, inl); + + return (ret); +} + +static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) +{ + long ret; + BIO *next = BIO_next(b); + + if (next == NULL) + return (0); + switch (cmd) { + case BIO_CTRL_DUP: + ret = 0L; + break; + default: + ret = BIO_ctrl(next, cmd, num, ptr); + break; + } + return (ret); +} + +static int ebcdic_gets(BIO *bp, char *buf, int size) +{ + int i, ret = 0; + BIO *next = BIO_next(bp); + + if (next == 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 (BIO_next(bp) == NULL) + return 0; + return ebcdic_write(bp, str, strlen(str)); +} +#endif + +/* 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 (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; + int verbose; +} tlsextstatusctx; + +static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 }; + +#ifndef OPENSSL_NO_OCSP +/* + * 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; + char *host = NULL, *port = NULL, *path = NULL; + int use_ssl; + unsigned char *rspder = NULL; + int rspderlen; + STACK_OF(OPENSSL_STRING) *aia = NULL; + X509 *x = NULL; + X509_STORE_CTX *inctx = NULL; + 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(bio_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(bio_err, "cert_status: can't parse AIA URL\n"); + goto err; + } + if (srctx->verbose) + BIO_printf(bio_err, "cert_status: AIA URL: %s\n", + sk_OPENSSL_STRING_value(aia, 0)); + } else { + if (!srctx->host) { + BIO_puts(bio_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; + } + + inctx = X509_STORE_CTX_new(); + if (inctx == NULL) + goto err; + if (!X509_STORE_CTX_init(inctx, + SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), + NULL, NULL)) + goto err; + obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509, + X509_get_issuer_name(x)); + if (obj == NULL) { + BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n"); + goto done; + } + id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj)); + X509_OBJECT_free(obj); + if (!id) + goto err; + req = OCSP_REQUEST_new(); + if (req == NULL) + 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(req, host, path, port, use_ssl, NULL, + srctx->timeout); + if (!resp) { + BIO_puts(bio_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(bio_err, "cert_status: ocsp response sent:\n"); + OCSP_RESPONSE_print(bio_err, resp, 2); + } + ret = SSL_TLSEXT_ERR_OK; + goto done; + + err: + ret = SSL_TLSEXT_ERR_ALERT_FATAL; + done: + if (ret != SSL_TLSEXT_ERR_OK) + ERR_print_errors(bio_err); + if (aia) { + OPENSSL_free(host); + OPENSSL_free(path); + OPENSSL_free(port); + X509_email_free(aia); + } + OCSP_CERTID_free(id); + OCSP_REQUEST_free(req); + OCSP_RESPONSE_free(resp); + X509_STORE_CTX_free(inctx); + return ret; +} +#endif + +#ifndef OPENSSL_NO_NEXTPROTONEG +/* This is the context that we pass to next_proto_cb */ +typedef struct tlsextnextprotoctx_st { + unsigned char *data; + size_t 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; + size_t 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 int 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; +} + +static int not_resumable_sess_cb(SSL *s, int is_forward_secure) +{ + /* disable resumption for sessions with forward secure ciphers */ + return is_forward_secure; +} + +#ifndef OPENSSL_NO_SRP +static srpsrvparm srp_callback_parm; +#endif +#ifndef OPENSSL_NO_SRTP +static char *srtp_profiles = NULL; +#endif + +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE, + OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT, + OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL, + OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM, + OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT, + OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT, + OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE, + OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET, + OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, + OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF, + OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE, + OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE, + OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF, + OPT_QUIET, OPT_BRIEF, OPT_NO_DHE, + OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE, + OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, + OPT_SSL_CONFIG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF, + OPT_SSL3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1, + OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, + OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL, + OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, + OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, + OPT_S_ENUM, + OPT_V_ENUM, + OPT_X_ENUM +} OPTION_CHOICE; + +OPTIONS s_server_options[] = { + {"help", OPT_HELP, '-', "Display this summary"}, + {"port", OPT_PORT, 'p', + "TCP/IP port to listen on for connections (default is " PORT ")"}, + {"accept", OPT_ACCEPT, 's', + "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"}, +#ifdef AF_UNIX + {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"}, +#endif + {"4", OPT_4, '-', "Use IPv4 only"}, + {"6", OPT_6, '-', "Use IPv6 only"}, +#ifdef AF_UNIX + {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"}, +#endif + {"context", OPT_CONTEXT, 's', "Set session ID context"}, + {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"}, + {"Verify", OPT_UPPER_V_VERIFY, 'n', + "Turn on peer certificate verification, must have a cert"}, + {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT}, + {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"}, + {"serverinfo", OPT_SERVERINFO, 's', + "PEM serverinfo file for certificate"}, + {"certform", OPT_CERTFORM, 'F', + "Certificate format (PEM or DER) PEM default"}, + {"key", OPT_KEY, 's', + "Private Key if not in -cert; default is " TEST_CERT}, + {"keyform", OPT_KEYFORM, 'f', + "Key format (PEM, DER or ENGINE) PEM default"}, + {"pass", OPT_PASS, 's', "Private key file pass phrase source"}, + {"dcert", OPT_DCERT, '<', + "Second certificate file to use (usually for DSA)"}, + {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"}, + {"dcertform", OPT_DCERTFORM, 'F', + "Second certificate format (PEM or DER) PEM default"}, + {"dkey", OPT_DKEY, '<', + "Second private key file to use (usually for DSA)"}, + {"dkeyform", OPT_DKEYFORM, 'F', + "Second key format (PEM, DER or ENGINE) PEM default"}, + {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"}, + {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"}, + {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"}, + {"debug", OPT_DEBUG, '-', "Print more output"}, + {"msg", OPT_MSG, '-', "Show protocol messages"}, + {"msgfile", OPT_MSGFILE, '>', + "File to send output of -msg or -trace, instead of stdout"}, + {"state", OPT_STATE, '-', "Print the SSL states"}, + {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"}, + {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"}, + {"no-CAfile", OPT_NOCAFILE, '-', + "Do not load the default certificates file"}, + {"no-CApath", OPT_NOCAPATH, '-', + "Do not load certificates from the default certificates directory"}, + {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"}, + {"quiet", OPT_QUIET, '-', "No server output"}, + {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-', + "Disable caching and tickets if ephemeral (EC)DH is used"}, + {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"}, + {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"}, + {"servername", OPT_SERVERNAME, 's', + "Servername for HostName TLS extension"}, + {"servername_fatal", OPT_SERVERNAME_FATAL, '-', + "mismatch send fatal alert (default warning alert)"}, + {"cert2", OPT_CERT2, '<', + "Certificate file to use for servername; default is" TEST_CERT2}, + {"key2", OPT_KEY2, '<', + "-Private Key file to use for servername if not in -cert2"}, + {"tlsextdebug", OPT_TLSEXTDEBUG, '-', + "Hex dump of all TLS extensions received"}, + {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"}, + {"id_prefix", OPT_ID_PREFIX, 's', + "Generate SSL/TLS session IDs prefixed by arg"}, + {"rand", OPT_RAND, 's', + "Load the file(s) into the random number generator"}, + {"keymatexport", OPT_KEYMATEXPORT, 's', + "Export keying material using label"}, + {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p', + "Export len bytes of keying material (default 20)"}, + {"CRL", OPT_CRL, '<', "CRL file to use"}, + {"crl_download", OPT_CRL_DOWNLOAD, '-', + "Download CRL from distribution points"}, + {"cert_chain", OPT_CERT_CHAIN, '<', + "certificate chain file in PEM format"}, + {"dcert_chain", OPT_DCERT_CHAIN, '<', + "second certificate chain file in PEM format"}, + {"chainCApath", OPT_CHAINCAPATH, '/', + "use dir as certificate store path to build CA certificate chain"}, + {"verifyCApath", OPT_VERIFYCAPATH, '/', + "use dir as certificate store path to verify CA certificate"}, + {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"}, + {"ext_cache", OPT_EXT_CACHE, '-', + "Disable internal cache, setup and use external cache"}, + {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"}, + {"verify_return_error", OPT_VERIFY_RET_ERROR, '-', + "Close connection on verification error"}, + {"verify_quiet", OPT_VERIFY_QUIET, '-', + "No verify output except verify errors"}, + {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"}, + {"chainCAfile", OPT_CHAINCAFILE, '<', + "CA file for certificate chain (PEM format)"}, + {"verifyCAfile", OPT_VERIFYCAFILE, '<', + "CA file for certificate verification (PEM format)"}, + {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"}, + {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"}, +#ifndef OPENSSL_NO_OCSP + {"status", OPT_STATUS, '-', "Request certificate status from server"}, + {"status_verbose", OPT_STATUS_VERBOSE, '-', + "Print more output in certificate status callback"}, + {"status_timeout", OPT_STATUS_TIMEOUT, 'n', + "Status request responder timeout"}, + {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"}, +#endif +#ifndef OPENSSL_NO_SSL_TRACE + {"trace", OPT_TRACE, '-', "trace protocol messages"}, +#endif + {"security_debug", OPT_SECURITY_DEBUG, '-', + "Print output from SSL/TLS security framework"}, + {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-', + "Print more output from SSL/TLS security framework"}, + {"brief", OPT_BRIEF, '-', + "Restrict output to brief summary of connection parameters"}, + {"rev", OPT_REV, '-', + "act as a simple test server which just sends back with the received text reversed"}, + {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"}, + {"ssl_config", OPT_SSL_CONFIG, 's', + "Configure SSL_CTX using the configuration 'val'"}, + {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n', + "Size used to split data for encrypt pipelines"}, + {"max_pipelines", OPT_MAX_PIPELINES, 'n', + "Maximum number of encrypt/decrypt pipelines to be used"}, + {"read_buf", OPT_READ_BUF, 'n', + "Default read buffer size to be used for connections"}, + OPT_S_OPTIONS, + OPT_V_OPTIONS, + OPT_X_OPTIONS, + {"nbio", OPT_NBIO, '-', "Use non-blocking IO"}, +#ifndef OPENSSL_NO_PSK + {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"}, + {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"}, +#endif +#ifndef OPENSSL_NO_SRP + {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"}, + {"srpuserseed", OPT_SRPUSERSEED, 's', + "A seed string for a default user salt"}, +#endif +#ifndef OPENSSL_NO_SSL3 + {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"}, +#endif +#ifndef OPENSSL_NO_TLS1 + {"tls1", OPT_TLS1, '-', "Just talk TLSv1"}, +#endif +#ifndef OPENSSL_NO_TLS1_1 + {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"}, +#endif +#ifndef OPENSSL_NO_TLS1_2 + {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"}, +#endif +#ifndef OPENSSL_NO_DTLS + {"dtls", OPT_DTLS, '-', "Use any DTLS version"}, + {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"}, + {"mtu", OPT_MTU, 'p', "Set link layer MTU"}, + {"listen", OPT_LISTEN, '-', + "Listen for a DTLS ClientHello with a cookie and then connect"}, +#endif +#ifndef OPENSSL_NO_DTLS1 + {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"}, +#endif +#ifndef OPENSSL_NO_DTLS1_2 + {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"}, +#endif +#ifndef OPENSSL_NO_DH + {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"}, +#endif +#ifndef OPENSSL_NO_NEXTPROTONEG + {"nextprotoneg", OPT_NEXTPROTONEG, 's', + "Set the advertised protocols for the NPN extension (comma-separated list)"}, +#endif +#ifndef OPENSSL_NO_SRTP + {"use_srtp", OPT_SRTP_PROFILES, 's', + "Offer SRTP key management with a colon-separated profile list"}, +#endif + {"alpn", OPT_ALPN, 's', + "Set the advertised protocols for the ALPN extension (comma-separated list)"}, +#ifndef OPENSSL_NO_ENGINE + {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, +#endif + {NULL, OPT_EOF, 0, NULL} +}; + +#define IS_PROT_FLAG(o) \ + (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \ + || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2) + +int s_server_main(int argc, char *argv[]) +{ + ENGINE *engine = NULL; + EVP_PKEY *s_key = NULL, *s_dkey = NULL; + SSL_CONF_CTX *cctx = NULL; + const SSL_METHOD *meth = TLS_server_method(); + SSL_EXCERT *exc = NULL; + STACK_OF(OPENSSL_STRING) *ssl_args = NULL; + STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; + STACK_OF(X509_CRL) *crls = NULL; + X509 *s_cert = NULL, *s_dcert = NULL; + X509_VERIFY_PARAM *vpm = NULL; + const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL; + char *dpassarg = NULL, *dpass = NULL, *inrand = NULL; + char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL; + char *crl_file = NULL, *prog; +#ifdef AF_UNIX + int unlink_unix_path = 0; +#endif + do_server_cb server_cb; + int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0; +#ifndef OPENSSL_NO_DH + char *dhfile = NULL; + int no_dhe = 0; +#endif + int nocert = 0, ret = 1; + int noCApath = 0, noCAfile = 0; + int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; + int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; + int rev = 0, naccept = -1, sdebug = 0; + int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM; + int state = 0, crl_format = FORMAT_PEM, crl_download = 0; + char *host = NULL; + char *port = BUF_strdup(PORT); + unsigned char *context = NULL; + OPTION_CHOICE o; + EVP_PKEY *s_key2 = NULL; + X509 *s_cert2 = NULL; + tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; + const char *ssl_config = NULL; + int read_buf_len = 0; +#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 }; +#ifndef OPENSSL_NO_PSK + /* by default do not send a PSK identity hint */ + char *psk_identity_hint = NULL; + char *p; +#endif +#ifndef OPENSSL_NO_SRP + char *srpuserseed = NULL; + char *srp_verifier_file = NULL; +#endif + int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0; + int s_server_verify = SSL_VERIFY_NONE; + int s_server_session_id_context = 1; /* anything will do */ + const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL; + const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL; + char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL; +#ifndef OPENSSL_NO_OCSP + int s_tlsextstatus = 0; +#endif + int no_resume_ephemeral = 0; + unsigned int split_send_fragment = 0, max_pipelines = 0; + const char *s_serverinfo_file = NULL; + + /* Init of few remaining global variables */ + local_argc = argc; + local_argv = argv; + + ctx = ctx2 = NULL; + s_nbio = s_nbio_test = 0; + www = 0; + bio_s_out = NULL; + s_debug = 0; + s_msg = 0; + s_quiet = 0; + s_brief = 0; + async = 0; + + cctx = SSL_CONF_CTX_new(); + vpm = X509_VERIFY_PARAM_new(); + if (cctx == NULL || vpm == NULL) + goto end; + SSL_CONF_CTX_set_flags(cctx, + SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE); + + prog = opt_init(argc, argv, s_server_options); + while ((o = opt_next()) != OPT_EOF) { + if (IS_PROT_FLAG(o) && ++prot_opt > 1) { + BIO_printf(bio_err, "Cannot supply multiple protocol flags\n"); + goto end; + } + if (IS_NO_PROT_FLAG(o)) + no_prot_opt++; + if (prot_opt == 1 && no_prot_opt) { + BIO_printf(bio_err, + "Cannot supply both a protocol flag and '-no_'\n"); + goto end; + } + switch (o) { + case OPT_EOF: + case OPT_ERR: + opthelp: + BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); + goto end; + case OPT_HELP: + opt_help(s_server_options); + ret = 0; + goto end; + + case OPT_4: +#ifdef AF_UNIX + if (socket_family == AF_UNIX) { + OPENSSL_free(host); host = NULL; + OPENSSL_free(port); port = NULL; + } +#endif + socket_family = AF_INET; + break; + case OPT_6: + if (1) { +#ifdef AF_INET6 +#ifdef AF_UNIX + if (socket_family == AF_UNIX) { + OPENSSL_free(host); host = NULL; + OPENSSL_free(port); port = NULL; + } +#endif + socket_family = AF_INET6; + } else { +#endif + BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog); + goto end; + } + break; + case OPT_PORT: +#ifdef AF_UNIX + if (socket_family == AF_UNIX) { + socket_family = AF_UNSPEC; + } +#endif + OPENSSL_free(port); port = NULL; + OPENSSL_free(host); host = NULL; + if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) { + BIO_printf(bio_err, + "%s: -port argument malformed or ambiguous\n", + port); + goto end; + } + break; + case OPT_ACCEPT: +#ifdef AF_UNIX + if (socket_family == AF_UNIX) { + socket_family = AF_UNSPEC; + } +#endif + OPENSSL_free(port); port = NULL; + OPENSSL_free(host); host = NULL; + if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) { + BIO_printf(bio_err, + "%s: -accept argument malformed or ambiguous\n", + port); + goto end; + } + break; +#ifdef AF_UNIX + case OPT_UNIX: + socket_family = AF_UNIX; + OPENSSL_free(host); host = BUF_strdup(opt_arg()); + OPENSSL_free(port); port = NULL; + break; + case OPT_UNLINK: + unlink_unix_path = 1; + break; +#endif + case OPT_NACCEPT: + naccept = atol(opt_arg()); + break; + case OPT_VERIFY: + s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; + verify_args.depth = atoi(opt_arg()); + if (!s_quiet) + BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth); + break; + case OPT_UPPER_V_VERIFY: + s_server_verify = + SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | + SSL_VERIFY_CLIENT_ONCE; + verify_args.depth = atoi(opt_arg()); + if (!s_quiet) + BIO_printf(bio_err, + "verify depth is %d, must return a certificate\n", + verify_args.depth); + break; + case OPT_CONTEXT: + context = (unsigned char *)opt_arg(); + break; + case OPT_CERT: + s_cert_file = opt_arg(); + break; + case OPT_CRL: + crl_file = opt_arg(); + break; + case OPT_CRL_DOWNLOAD: + crl_download = 1; + break; + case OPT_SERVERINFO: + s_serverinfo_file = opt_arg(); + break; + case OPT_CERTFORM: + if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format)) + goto opthelp; + break; + case OPT_KEY: + s_key_file = opt_arg(); + break; + case OPT_KEYFORM: + if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format)) + goto opthelp; + break; + case OPT_PASS: + passarg = opt_arg(); + break; + case OPT_CERT_CHAIN: + s_chain_file = opt_arg(); + break; + case OPT_DHPARAM: +#ifndef OPENSSL_NO_DH + dhfile = opt_arg(); +#endif + break; + case OPT_DCERTFORM: + if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format)) + goto opthelp; + break; + case OPT_DCERT: + s_dcert_file = opt_arg(); + break; + case OPT_DKEYFORM: + if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format)) + goto opthelp; + break; + case OPT_DPASS: + dpassarg = opt_arg(); + break; + case OPT_DKEY: + s_dkey_file = opt_arg(); + break; + case OPT_DCERT_CHAIN: + s_dchain_file = opt_arg(); + break; + case OPT_NOCERT: + nocert = 1; + break; + case OPT_CAPATH: + CApath = opt_arg(); + break; + case OPT_NOCAPATH: + noCApath = 1; + break; + case OPT_CHAINCAPATH: + chCApath = opt_arg(); + break; + case OPT_VERIFYCAPATH: + vfyCApath = opt_arg(); + break; + case OPT_NO_CACHE: + no_cache = 1; + break; + case OPT_EXT_CACHE: + ext_cache = 1; + break; + case OPT_CRLFORM: + if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format)) + goto opthelp; + break; + case OPT_S_CASES: + if (ssl_args == NULL) + ssl_args = sk_OPENSSL_STRING_new_null(); + if (ssl_args == NULL + || !sk_OPENSSL_STRING_push(ssl_args, opt_flag()) + || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) { + BIO_printf(bio_err, "%s: Memory allocation failure\n", prog); + goto end; + } + break; + case OPT_V_CASES: + if (!opt_verify(o, vpm)) + goto end; + vpmtouched++; + break; + case OPT_X_CASES: + if (!args_excert(o, &exc)) + goto end; + break; + case OPT_VERIFY_RET_ERROR: + verify_args.return_error = 1; + break; + case OPT_VERIFY_QUIET: + verify_args.quiet = 1; + break; + case OPT_BUILD_CHAIN: + build_chain = 1; + break; + case OPT_CAFILE: + CAfile = opt_arg(); + break; + case OPT_NOCAFILE: + noCAfile = 1; + break; + case OPT_CHAINCAFILE: + chCAfile = opt_arg(); + break; + case OPT_VERIFYCAFILE: + vfyCAfile = opt_arg(); + break; + case OPT_NBIO: + s_nbio = 1; + break; + case OPT_NBIO_TEST: + s_nbio = s_nbio_test = 1; + break; + case OPT_IGN_EOF: + s_ign_eof = 1; + break; + case OPT_NO_IGN_EOF: + s_ign_eof = 0; + break; + case OPT_DEBUG: + s_debug = 1; + break; + case OPT_TLSEXTDEBUG: + s_tlsextdebug = 1; + break; + case OPT_STATUS: +#ifndef OPENSSL_NO_OCSP + s_tlsextstatus = 1; +#endif + break; + case OPT_STATUS_VERBOSE: +#ifndef OPENSSL_NO_OCSP + s_tlsextstatus = tlscstatp.verbose = 1; +#endif + break; + case OPT_STATUS_TIMEOUT: +#ifndef OPENSSL_NO_OCSP + s_tlsextstatus = 1; + tlscstatp.timeout = atoi(opt_arg()); +#endif + break; + case OPT_STATUS_URL: +#ifndef OPENSSL_NO_OCSP + s_tlsextstatus = 1; + if (!OCSP_parse_url(opt_arg(), + &tlscstatp.host, + &tlscstatp.port, + &tlscstatp.path, &tlscstatp.use_ssl)) { + BIO_printf(bio_err, "Error parsing URL\n"); + goto end; + } +#endif + break; + case OPT_MSG: + s_msg = 1; + break; + case OPT_MSGFILE: + bio_s_msg = BIO_new_file(opt_arg(), "w"); + break; + case OPT_TRACE: +#ifndef OPENSSL_NO_SSL_TRACE + s_msg = 2; +#endif + break; + case OPT_SECURITY_DEBUG: + sdebug = 1; + break; + case OPT_SECURITY_DEBUG_VERBOSE: + sdebug = 2; + break; + case OPT_STATE: + state = 1; + break; + case OPT_CRLF: + s_crlf = 1; + break; + case OPT_QUIET: + s_quiet = 1; + break; + case OPT_BRIEF: + s_quiet = s_brief = verify_args.quiet = 1; + break; + case OPT_NO_DHE: +#ifndef OPENSSL_NO_DH + no_dhe = 1; +#endif + break; + case OPT_NO_RESUME_EPHEMERAL: + no_resume_ephemeral = 1; + break; + case OPT_PSK_HINT: +#ifndef OPENSSL_NO_PSK + psk_identity_hint = opt_arg(); +#endif + break; + case OPT_PSK: +#ifndef OPENSSL_NO_PSK + for (p = psk_key = opt_arg(); *p; p++) { + if (isxdigit(_UC(*p))) + continue; + BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); + goto end; + } +#endif + break; + case OPT_SRPVFILE: +#ifndef OPENSSL_NO_SRP + srp_verifier_file = opt_arg(); + if (min_version < TLS1_VERSION) + min_version = TLS1_VERSION; +#endif + break; + case OPT_SRPUSERSEED: +#ifndef OPENSSL_NO_SRP + srpuserseed = opt_arg(); + if (min_version < TLS1_VERSION) + min_version = TLS1_VERSION; +#endif + break; + case OPT_REV: + rev = 1; + break; + case OPT_WWW: + www = 1; + break; + case OPT_UPPER_WWW: + www = 2; + break; + case OPT_HTTP: + www = 3; + break; + case OPT_SSL_CONFIG: + ssl_config = opt_arg(); + break; + case OPT_SSL3: + min_version = SSL3_VERSION; + max_version = SSL3_VERSION; + break; + case OPT_TLS1_2: + min_version = TLS1_2_VERSION; + max_version = TLS1_2_VERSION; + break; + case OPT_TLS1_1: + min_version = TLS1_1_VERSION; + max_version = TLS1_1_VERSION; + break; + case OPT_TLS1: + min_version = TLS1_VERSION; + max_version = TLS1_VERSION; + break; + case OPT_DTLS: +#ifndef OPENSSL_NO_DTLS + meth = DTLS_server_method(); + socket_type = SOCK_DGRAM; +#endif + break; + case OPT_DTLS1: +#ifndef OPENSSL_NO_DTLS + meth = DTLS_server_method(); + min_version = DTLS1_VERSION; + max_version = DTLS1_VERSION; + socket_type = SOCK_DGRAM; +#endif + break; + case OPT_DTLS1_2: +#ifndef OPENSSL_NO_DTLS + meth = DTLS_server_method(); + min_version = DTLS1_2_VERSION; + max_version = DTLS1_2_VERSION; + socket_type = SOCK_DGRAM; +#endif + break; + case OPT_TIMEOUT: +#ifndef OPENSSL_NO_DTLS + enable_timeouts = 1; +#endif + break; + case OPT_MTU: +#ifndef OPENSSL_NO_DTLS + socket_mtu = atol(opt_arg()); +#endif + break; + case OPT_LISTEN: +#ifndef OPENSSL_NO_DTLS + dtlslisten = 1; +#endif + break; + case OPT_ID_PREFIX: + session_id_prefix = opt_arg(); + break; + case OPT_ENGINE: + engine = setup_engine(opt_arg(), 1); + break; + case OPT_RAND: + inrand = opt_arg(); + break; + case OPT_SERVERNAME: + tlsextcbp.servername = opt_arg(); + break; + case OPT_SERVERNAME_FATAL: + tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; + break; + case OPT_CERT2: + s_cert_file2 = opt_arg(); + break; + case OPT_KEY2: + s_key_file2 = opt_arg(); + break; + case OPT_NEXTPROTONEG: +# ifndef OPENSSL_NO_NEXTPROTONEG + next_proto_neg_in = opt_arg(); +#endif + break; + case OPT_ALPN: + alpn_in = opt_arg(); + break; + case OPT_SRTP_PROFILES: +#ifndef OPENSSL_NO_SRTP + srtp_profiles = opt_arg(); +#endif + break; + case OPT_KEYMATEXPORT: + keymatexportlabel = opt_arg(); + break; + case OPT_KEYMATEXPORTLEN: + keymatexportlen = atoi(opt_arg()); + break; + case OPT_ASYNC: + async = 1; + break; + case OPT_SPLIT_SEND_FRAG: + split_send_fragment = atoi(opt_arg()); + if (split_send_fragment == 0) { + /* + * Not allowed - set to a deliberately bad value so we get an + * error message below + */ + split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1; + } + break; + case OPT_MAX_PIPELINES: + max_pipelines = atoi(opt_arg()); + break; + case OPT_READ_BUF: + read_buf_len = atoi(opt_arg()); + break; + + } + } + argc = opt_num_rest(); + argv = opt_rest(); + +#ifndef OPENSSL_NO_DTLS + if (www && socket_type == SOCK_DGRAM) { + BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); + goto end; + } + + if (dtlslisten && socket_type != SOCK_DGRAM) { + BIO_printf(bio_err, "Can only use -listen with DTLS\n"); + goto end; + } +#endif + +#ifdef AF_UNIX + if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) { + BIO_printf(bio_err, + "Can't use unix sockets and datagrams together\n"); + goto end; + } +#endif + + if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) { + BIO_printf(bio_err, "Bad split send fragment size\n"); + goto end; + } + + if (max_pipelines > SSL_MAX_PIPELINES) { + BIO_printf(bio_err, "Bad max pipelines value\n"); + goto end; + } + + if (!app_passwd(passarg, dpassarg, &pass, &dpass)) { + BIO_printf(bio_err, "Error getting password\n"); + goto end; + } + + if (s_key_file == NULL) + s_key_file = s_cert_file; + + if (s_key_file2 == NULL) + s_key_file2 = s_cert_file2; + + if (!load_excert(&exc)) + goto end; + + if (nocert == 0) { + s_key = load_key(s_key_file, s_key_format, 0, pass, engine, + "server certificate private key file"); + if (!s_key) { + ERR_print_errors(bio_err); + goto end; + } + + s_cert = load_cert(s_cert_file, s_cert_format, + "server certificate file"); + + if (!s_cert) { + ERR_print_errors(bio_err); + goto end; + } + if (s_chain_file) { + if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL, + "server certificate chain")) + goto end; + } + + if (tlsextcbp.servername) { + s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine, + "second server certificate private key file"); + if (!s_key2) { + ERR_print_errors(bio_err); + goto end; + } + + s_cert2 = load_cert(s_cert_file2, s_cert_format, + "second server certificate file"); + + if (!s_cert2) { + ERR_print_errors(bio_err); + goto end; + } + } + } +#if !defined(OPENSSL_NO_NEXTPROTONEG) + if (next_proto_neg_in) { + next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); + if (next_proto.data == NULL) + goto end; + } +#endif + alpn_ctx.data = NULL; + if (alpn_in) { + alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in); + if (alpn_ctx.data == NULL) + goto end; + } + + 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(s_dkey_file, s_dkey_format, + 0, dpass, engine, "second certificate private key file"); + if (!s_dkey) { + ERR_print_errors(bio_err); + goto end; + } + + s_dcert = load_cert(s_dcert_file, s_dcert_format, + "second server certificate file"); + + if (!s_dcert) { + ERR_print_errors(bio_err); + goto end; + } + if (s_dchain_file) { + if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL, + "second server certificate chain")) + goto end; + } + + } + + if (!app_RAND_load_file(NULL, 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 = dup_bio_out(FORMAT_TEXT); + } else { + if (bio_s_out == NULL) + bio_s_out = dup_bio_out(FORMAT_TEXT); + } + } +#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC) + if (nocert) +#endif + { + s_cert_file = NULL; + s_key_file = NULL; + s_dcert_file = NULL; + s_dkey_file = NULL; + s_cert_file2 = NULL; + s_key_file2 = NULL; + } + + ctx = SSL_CTX_new(meth); + if (ctx == NULL) { + ERR_print_errors(bio_err); + goto end; + } + if (sdebug) + ssl_ctx_security_debug(ctx, sdebug); + + if (!config_ctx(cctx, ssl_args, ctx)) + goto end; + + if (ssl_config) { + if (SSL_CTX_config(ctx, ssl_config) == 0) { + BIO_printf(bio_err, "Error using configuration \"%s\"\n", + ssl_config); + ERR_print_errors(bio_err); + goto end; + } + } + if (min_version != 0 + && SSL_CTX_set_min_proto_version(ctx, min_version) == 0) + goto end; + if (max_version != 0 + && SSL_CTX_set_max_proto_version(ctx, max_version) == 0) + 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"); + 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 (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); + + if (async) { + SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC); + } + if (split_send_fragment > 0) { + SSL_CTX_set_split_send_fragment(ctx, split_send_fragment); + } + if (max_pipelines > 0) { + SSL_CTX_set_max_pipelines(ctx, max_pipelines); + } + + if (read_buf_len > 0) { + SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len); + } +#ifndef OPENSSL_NO_SRTP + if (srtp_profiles != NULL) { + /* Returns 0 on success! */ + if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) { + BIO_printf(bio_err, "Error setting SRTP profile\n"); + ERR_print_errors(bio_err); + goto end; + } + } +#endif + + if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) { + ERR_print_errors(bio_err); + goto end; + } + if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) { + BIO_printf(bio_err, "Error setting verify params\n"); + ERR_print_errors(bio_err); + goto end; + } + + ssl_ctx_add_crls(ctx, crls, 0); + + 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; + } + + 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 (sdebug) + ssl_ctx_security_debug(ctx, sdebug); + + 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"); + 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 (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 (async) + SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC); + + if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile, + noCApath)) { + ERR_print_errors(bio_err); + goto end; + } + if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) { + BIO_printf(bio_err, "Error setting verify params\n"); + ERR_print_errors(bio_err); + goto end; + } + + ssl_ctx_add_crls(ctx2, crls, 0); + if (!config_ctx(cctx, ssl_args, ctx2)) + 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); + +#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"); + } + (void)BIO_flush(bio_s_out); + + if (dh == NULL) + SSL_CTX_set_dh_auto(ctx, 1); + else if (!SSL_CTX_set_tmp_dh(ctx, dh)) { + BIO_puts(bio_err, "Error setting temp DH parameters\n"); + ERR_print_errors(bio_err); + DH_free(dh); + goto end; + } + + 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; + } + } + if (dh == NULL) + SSL_CTX_set_dh_auto(ctx2, 1); + else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) { + BIO_puts(bio_err, "Error setting temp DH parameters\n"); + ERR_print_errors(bio_err); + DH_free(dh); + goto end; + } + } + DH_free(dh); + } +#endif + + if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) + goto end; + + if (s_serverinfo_file != NULL + && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { + ERR_print_errors(bio_err); + goto end; + } + + if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) + goto end; + + if (s_dcert != NULL) { + if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) + goto end; + } + + if (no_resume_ephemeral) { + SSL_CTX_set_not_resumable_session_callback(ctx, + not_resumable_sess_cb); + + if (ctx2) + SSL_CTX_set_not_resumable_session_callback(ctx2, + not_resumable_sess_cb); + } +#ifndef OPENSSL_NO_PSK + if (psk_key != NULL) { + if (s_debug) + BIO_printf(bio_s_out, "PSK key given, 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); + if (!SSL_CTX_set_session_id_context(ctx, + (void *)&s_server_session_id_context, + sizeof(s_server_session_id_context))) { + BIO_printf(bio_err, "error setting session id context\n"); + ERR_print_errors(bio_err); + goto end; + } + + /* 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); + + if (ctx2) { + SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); + if (!SSL_CTX_set_session_id_context(ctx2, + (void *)&s_server_session_id_context, + sizeof(s_server_session_id_context))) { + BIO_printf(bio_err, "error setting session id context\n"); + ERR_print_errors(bio_err); + goto end; + } + 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); + } + +#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)); + + if (ctx2) + SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); + } +#ifndef OPENSSL_NO_OCSP + if (s_tlsextstatus) { + SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); + SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); + if (ctx2) { + SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb); + SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp); + } + } +#endif + + BIO_printf(bio_s_out, "ACCEPT\n"); + (void)BIO_flush(bio_s_out); + if (rev) + server_cb = rev_body; + else if (www) + server_cb = www_body; + else + server_cb = sv_body; +#ifdef AF_UNIX + if (socket_family == AF_UNIX + && unlink_unix_path) + unlink(host); +#endif + do_server(&accept_socket, host, port, socket_family, socket_type, + server_cb, context, naccept); + print_stats(bio_s_out, ctx); + ret = 0; + end: + SSL_CTX_free(ctx); + X509_free(s_cert); + sk_X509_CRL_pop_free(crls, X509_CRL_free); + X509_free(s_dcert); + EVP_PKEY_free(s_key); + EVP_PKEY_free(s_dkey); + sk_X509_pop_free(s_chain, X509_free); + sk_X509_pop_free(s_dchain, X509_free); + OPENSSL_free(pass); + OPENSSL_free(dpass); + OPENSSL_free(host); + OPENSSL_free(port); + X509_VERIFY_PARAM_free(vpm); + free_sessions(); + OPENSSL_free(tlscstatp.host); + OPENSSL_free(tlscstatp.port); + OPENSSL_free(tlscstatp.path); + SSL_CTX_free(ctx2); + X509_free(s_cert2); + EVP_PKEY_free(s_key2); +#ifndef OPENSSL_NO_NEXTPROTONEG + OPENSSL_free(next_proto.data); +#endif + OPENSSL_free(alpn_ctx.data); + ssl_excert_free(exc); + sk_OPENSSL_STRING_free(ssl_args); + SSL_CONF_CTX_free(cctx); + release_engine(engine); + BIO_free(bio_s_out); + bio_s_out = NULL; + BIO_free(bio_s_msg); + bio_s_msg = NULL; +#ifdef CHARSET_EBCDIC + BIO_meth_free(methods_ebcdic); +#endif + 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(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; + struct timeval timeout; +#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) + struct timeval tv; +#else + struct timeval *timeoutp; +#endif + + buf = app_malloc(bufsize, "server buffer"); + if (s_nbio) { + if (!BIO_socket_nbio(s, 1)) + ERR_print_errors(bio_err); + else if (!s_quiet) + BIO_printf(bio_err, "Turned on non blocking io\n"); + } + + if (con == NULL) { + con = SSL_new(ctx); + + if (s_tlsextdebug) { + SSL_set_tlsext_debug_callback(con, tlsext_cb); + SSL_set_tlsext_debug_arg(con, bio_s_out); + } + + if (context + && !SSL_set_session_id_context(con, + context, strlen((char *)context))) { + BIO_printf(bio_err, "Error setting session id context\n"); + ret = -1; + goto err; + } + } + if (!SSL_clear(con)) { + BIO_printf(bio_err, "Error clearing SSL connection\n"); + ret = -1; + goto err; + } +#ifndef OPENSSL_NO_DTLS + 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 +#endif + 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) { + 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); + } + + if (s_tlsextdebug) { + SSL_set_tlsext_debug_callback(con, tlsext_cb); + SSL_set_tlsext_debug_arg(con, bio_s_out); + } + + 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_has_pending(con) + || (async && SSL_waiting_for_async(con)); + + if (!read_from_sslcon) { + FD_ZERO(&readfds); +#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) + 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) + /* + * 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 (has_stdin_waiting()) + read_from_terminal = 1; + if ((i < 0) || (!i && !read_from_terminal)) + continue; +#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 occurred\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"); + (void)BIO_flush(bio_s_out); + BIO_closesocket(s); + close_accept_socket(); + ret = -11; + goto err; + } + if ((i <= 0) || (buf[0] == 'q')) { + BIO_printf(bio_s_out, "DONE\n"); + (void)BIO_flush(bio_s_out); + if (SSL_version(con) != DTLS1_VERSION) + BIO_closesocket(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_ASYNC: + BIO_printf(bio_s_out, "Write BLOCK (Async)\n"); + (void)BIO_flush(bio_s_out); + wait_for_async(con); + 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"); + (void)BIO_flush(bio_s_out); + break; + case SSL_ERROR_WANT_ASYNC_JOB: + /* + * This shouldn't ever happen in s_server. Treat as an error + */ + case SSL_ERROR_SYSCALL: + case SSL_ERROR_SSL: + BIO_printf(bio_s_out, "ERROR\n"); + (void)BIO_flush(bio_s_out); + ERR_print_errors(bio_err); + ret = 1; + goto err; + /* break; */ + case SSL_ERROR_ZERO_RETURN: + BIO_printf(bio_s_out, "DONE\n"); + (void)BIO_flush(bio_s_out); + ret = 1; + goto err; + } + if (k > 0) { + l += k; + i -= k; + } + if (i <= 0) + break; + } + } + if (read_from_sslcon) { + /* + * init_ssl_connection handles all async events itself so if we're + * waiting for async then we shouldn't go back into + * init_ssl_connection + */ + if ((!async || !SSL_waiting_for_async(con)) + && !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); + (void)BIO_flush(bio_s_out); + if (SSL_has_pending(con)) + goto again; + break; + case SSL_ERROR_WANT_ASYNC: + BIO_printf(bio_s_out, "Read BLOCK (Async)\n"); + (void)BIO_flush(bio_s_out); + wait_for_async(con); + break; + case SSL_ERROR_WANT_WRITE: + case SSL_ERROR_WANT_READ: + BIO_printf(bio_s_out, "Read BLOCK\n"); + (void)BIO_flush(bio_s_out); + break; + case SSL_ERROR_WANT_ASYNC_JOB: + /* + * This shouldn't ever happen in s_server. Treat as an error + */ + case SSL_ERROR_SYSCALL: + case SSL_ERROR_SSL: + BIO_printf(bio_s_out, "ERROR\n"); + (void)BIO_flush(bio_s_out); + ERR_print_errors(bio_err); + ret = 1; + goto err; + case SSL_ERROR_ZERO_RETURN: + BIO_printf(bio_s_out, "DONE\n"); + (void)BIO_flush(bio_s_out); + 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"); + OPENSSL_clear_free(buf, bufsize); + if (ret >= 0) + BIO_printf(bio_s_out, "ACCEPT\n"); + (void)BIO_flush(bio_s_out); + return (ret); +} + +static void close_accept_socket(void) +{ + BIO_printf(bio_err, "shutdown accept socket\n"); + if (accept_socket >= 0) { + BIO_closesocket(accept_socket); + } +} + +static int init_ssl_connection(SSL *con) +{ + int i; + const char *str; + X509 *peer; + long verify_err; + char buf[BUFSIZ]; +#if !defined(OPENSSL_NO_NEXTPROTONEG) + const unsigned char *next_proto_neg; + unsigned next_proto_neg_len; +#endif + unsigned char *exportedkeymat; + int retry = 0; + +#ifndef OPENSSL_NO_DTLS + if (dtlslisten) { + BIO_ADDR *client = NULL; + + if ((client = BIO_ADDR_new()) == NULL) { + BIO_printf(bio_err, "ERROR - memory\n"); + return 0; + } + i = DTLSv1_listen(con, client); + if (i > 0) { + BIO *wbio; + int fd = -1; + + wbio = SSL_get_wbio(con); + if (wbio) { + BIO_get_fd(wbio, &fd); + } + + if (!wbio || BIO_connect(fd, client, 0) == 0) { + BIO_printf(bio_err, "ERROR - unable to connect\n"); + BIO_ADDR_free(client); + return 0; + } + BIO_ADDR_free(client); + dtlslisten = 0; + i = SSL_accept(con); + } else { + BIO_ADDR_free(client); + } + } else +#endif + + do { + i = SSL_accept(con); + + if (i <= 0) + retry = BIO_sock_should_retry(i); +#ifdef CERT_CB_TEST_RETRY + { + while (i <= 0 + && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP + && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) { + BIO_printf(bio_err, + "LOOKUP from certificate callback during accept\n"); + i = SSL_accept(con); + if (i <= 0) + retry = BIO_sock_should_retry(i); + } + } +#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); + if (i <= 0) + retry = BIO_sock_should_retry(i); + } +#endif + } while (i < 0 && SSL_waiting_for_async(con)); + + if (i <= 0) { + if ((dtlslisten && i == 0) + || (!dtlslisten && retry)) { + BIO_printf(bio_s_out, "DELAY\n"); + return (1); + } + + BIO_printf(bio_err, "ERROR\n"); + + verify_err = SSL_get_verify_result(con); + if (verify_err != X509_V_OK) { + BIO_printf(bio_err, "verify error:%s\n", + X509_verify_cert_error_string(verify_err)); + } + /* Always print any error messages */ + ERR_print_errors(bio_err); + return (0); + } + + if (s_brief) + print_ssl_summary(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); + peer = NULL; + } + + 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_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_session_reused(con)) + BIO_printf(bio_s_out, "Reused session-id\n"); + BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", + SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); + if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION)) + BIO_printf(bio_s_out, "Renegotiation is DISABLED\n"); + + 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 = app_malloc(keymatexportlen, "export key"); + 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); + } + + (void)BIO_flush(bio_s_out); + 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(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; +#ifdef RENEG + int total_bytes = 0; +#endif + int width; + fd_set readfds; + + /* Set width for a select call if needed */ + width = s + 1; + + buf = app_malloc(bufsize, "server www buffer"); + io = BIO_new(BIO_f_buffer()); + ssl_bio = BIO_new(BIO_f_ssl()); + if ((io == NULL) || (ssl_bio == NULL)) + goto err; + + if (s_nbio) { + if (!BIO_socket_nbio(s, 1)) + ERR_print_errors(bio_err); + else if (!s_quiet) + BIO_printf(bio_err, "Turned on non blocking io\n"); + } + + /* 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; + + if (s_tlsextdebug) { + SSL_set_tlsext_debug_callback(con, tlsext_cb); + SSL_set_tlsext_debug_arg(con, bio_s_out); + } + + if (context + && !SSL_set_session_id_context(con, context, + strlen((char *)context))) + goto err; + + 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) { + 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_gets(io, buf, bufsize - 1); + if (i < 0) { /* error */ + if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) { + 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_MSDOS) + 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 = NULL; + STACK_OF(SSL_CIPHER) *sk; + static const char *space = " "; + + if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) { + if (strncmp("GET /renegcert", buf, 14) == 0) + SSL_set_verify(con, + SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, + NULL); + i = SSL_renegotiate(con); + BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i); + /* Send the HelloRequest */ + i = SSL_do_handshake(con); + if (i <= 0) { + BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", + SSL_get_error(con, i)); + ERR_print_errors(bio_err); + goto err; + } + /* Wait for a ClientHello to come back */ + FD_ZERO(&readfds); + openssl_fdset(s, &readfds); + i = select(width, (void *)&readfds, NULL, NULL, NULL); + if (i <= 0 || !FD_ISSET(s, &readfds)) { + BIO_printf(bio_s_out, + "Error waiting for client response\n"); + ERR_print_errors(bio_err); + goto err; + } + /* + * We're not actually expecting any data here and we ignore + * any that is sent. This is just to force the handshake that + * we're expecting to come from the client. If they haven't + * sent one there's not much we can do. + */ + BIO_gets(io, buf, bufsize - 1); + } + + BIO_puts(io, + "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); + BIO_puts(io, "\n"); + BIO_puts(io, "
\n");
+            /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
+            BIO_puts(io, "\n");
+            for (i = 0; i < local_argc; i++) {
+                const char *myp;
+                for (myp = local_argv[i]; *myp; myp++)
+                    switch (*myp) {
+                    case '<':
+                        BIO_puts(io, "<");
+                        break;
+                    case '>':
+                        BIO_puts(io, ">");
+                        break;
+                    case '&':
+                        BIO_puts(io, "&");
+                        break;
+                    default:
+                        BIO_write(io, myp, 1);
+                        break;
+                    }
+                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_session_reused(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);
+                X509_free(peer);
+                peer = NULL;
+            } else {
+                BIO_puts(io, "no client certificate available\n");
+            }
+            BIO_puts(io, "
\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; + BIO_printf(bio_err, "%d\n", i); + if (total_bytes > 3 * 1024) { + total_bytes = 0; + BIO_printf(bio_err, "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) + && !SSL_waiting_for_async(con)) + 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"); + OPENSSL_free(buf); + BIO_free_all(io); + return (ret); +} + +static int rev_body(int s, int stype, unsigned char *context) +{ + char *buf = NULL; + int i; + int ret = 1; + SSL *con; + BIO *io, *ssl_bio, *sbio; + + buf = app_malloc(bufsize, "server rev buffer"); + 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; + + if (s_tlsextdebug) { + SSL_set_tlsext_debug_callback(con, tlsext_cb); + SSL_set_tlsext_debug_arg(con, bio_s_out); + } + if (context + && !SSL_set_session_id_context(con, context, + strlen((char *)context))) { + ERR_print_errors(bio_err); + goto err; + } + + 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) { + 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(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_MSDOS) + 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) == 0)) { + 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: + + OPENSSL_free(buf); + BIO_free_all(io); + return (ret); +} + +#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 = app_malloc(sizeof(*sess), "get session"); + unsigned char *p; + + SSL_SESSION_get_id(session, &sess->idlen); + sess->derlen = i2d_SSL_SESSION(session, NULL); + if (sess->derlen < 0) { + BIO_printf(bio_err, "Error encoding session\n"); + OPENSSL_free(sess); + return 0; + } + + sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen); + sess->der = app_malloc(sess->derlen, "get session buffer"); + if (!sess->id) { + BIO_printf(bio_err, "Out of memory adding to external cache\n"); + OPENSSL_free(sess->id); + OPENSSL_free(sess->der); + OPENSSL_free(sess); + return 0; + } + p = sess->der; + + /* Assume it still works. */ + if (i2d_SSL_SESSION(session, &p) != sess->derlen) { + BIO_printf(bio_err, "Unexpected session encoding length\n"); + OPENSSL_free(sess->id); + OPENSSL_free(sess->der); + OPENSSL_free(sess); + return 0; + } + + 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, const 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; +} + +#endif /* OPENSSL_NO_SOCK */ -- cgit v1.2.3