diff options
Diffstat (limited to 'openssl/apps/s_client.c')
-rw-r--r-- | openssl/apps/s_client.c | 1873 |
1 files changed, 1873 insertions, 0 deletions
diff --git a/openssl/apps/s_client.c b/openssl/apps/s_client.c new file mode 100644 index 00000000..b951513d --- /dev/null +++ b/openssl/apps/s_client.c @@ -0,0 +1,1873 @@ +/* apps/s_client.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ +/* ==================================================================== + * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ +/* ==================================================================== + * Copyright 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 <assert.h> +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <openssl/e_os2.h> +#ifdef OPENSSL_NO_STDIO +#define APPS_WIN16 +#endif + +/* 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 + +#define USE_SOCKETS +#include "apps.h" +#include <openssl/x509.h> +#include <openssl/ssl.h> +#include <openssl/err.h> +#include <openssl/pem.h> +#include <openssl/rand.h> +#include <openssl/ocsp.h> +#include <openssl/bn.h> +#include "s_apps.h" +#include "timeouts.h" + +#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) +/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ +#undef FIONBIO +#endif + +#if defined(OPENSSL_SYS_BEOS_R5) +#include <fcntl.h> +#endif + +#undef PROG +#define PROG s_client_main + +/*#define SSL_HOST_NAME "www.netscape.com" */ +/*#define SSL_HOST_NAME "193.118.187.102" */ +#define SSL_HOST_NAME "localhost" + +/*#define TEST_CERT "client.pem" */ /* no default cert. */ + +#undef BUFSIZZ +#define BUFSIZZ 1024*8 + +extern int verify_depth; +extern int verify_error; +extern int verify_return_error; + +#ifdef FIONBIO +static int c_nbio=0; +#endif +static int c_Pause=0; +static int c_debug=0; +#ifndef OPENSSL_NO_TLSEXT +static int c_tlsextdebug=0; +static int c_status_req=0; +#endif +static int c_msg=0; +static int c_showcerts=0; + +static void sc_usage(void); +static void print_stuff(BIO *berr,SSL *con,int full); +#ifndef OPENSSL_NO_TLSEXT +static int ocsp_resp_cb(SSL *s, void *arg); +#endif +static BIO *bio_c_out=NULL; +static int c_quiet=0; +static int c_ign_eof=0; + +#ifndef OPENSSL_NO_PSK +/* Default PSK identity and key */ +static char *psk_identity="Client_identity"; +/*char *psk_key=NULL; by default PSK is not used */ + +static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity, + unsigned int max_identity_len, unsigned char *psk, + unsigned int max_psk_len) + { + unsigned int psk_len = 0; + int ret; + BIGNUM *bn=NULL; + + if (c_debug) + BIO_printf(bio_c_out, "psk_client_cb\n"); + if (!hint) + { + /* no ServerKeyExchange message*/ + if (c_debug) + BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n"); + } + else if (c_debug) + BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint); + + /* lookup PSK identity and PSK key based on the given identity hint here */ + ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity); + if (ret < 0 || (unsigned int)ret > max_identity_len) + goto out_err; + if (c_debug) + BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret); + ret=BN_hex2bn(&bn, psk_key); + if (!ret) + { + BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key); + if (bn) + BN_free(bn); + return 0; + } + + if ((unsigned int)BN_num_bytes(bn) > max_psk_len) + { + BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n", + max_psk_len, BN_num_bytes(bn)); + BN_free(bn); + return 0; + } + + psk_len=BN_bn2bin(bn, psk); + BN_free(bn); + if (psk_len == 0) + goto out_err; + + if (c_debug) + BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len); + + return psk_len; + out_err: + if (c_debug) + BIO_printf(bio_err, "Error in PSK client callback\n"); + return 0; + } +#endif + +static void sc_usage(void) + { + BIO_printf(bio_err,"usage: s_client args\n"); + BIO_printf(bio_err,"\n"); + BIO_printf(bio_err," -host host - use -connect instead\n"); + BIO_printf(bio_err," -port port - use -connect instead\n"); + BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR); + + BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); + BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\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 but cert file is.\n"); + BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n"); + BIO_printf(bio_err," -pass arg - private key file pass phrase source\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," -reconnect - Drop and re-make the connection with the same Session-ID\n"); + BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); + BIO_printf(bio_err," -showcerts - show all certificates in the chain\n"); + BIO_printf(bio_err," -debug - extra output\n"); +#ifdef WATT32 + BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n"); +#endif + BIO_printf(bio_err," -msg - Show protocol messages\n"); + BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n"); + BIO_printf(bio_err," -state - print the 'ssl' states\n"); +#ifdef FIONBIO + BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); +#endif + BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); + BIO_printf(bio_err," -quiet - no s_client output\n"); + BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n"); + BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n"); +#ifndef OPENSSL_NO_PSK + BIO_printf(bio_err," -psk_identity arg - PSK identity\n"); + BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); +# ifndef OPENSSL_NO_JPAKE + BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); +# endif +#endif + BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); + BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); + BIO_printf(bio_err," -tls1 - just use TLSv1\n"); + BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); + BIO_printf(bio_err," -mtu - set the link layer MTU\n"); + BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); + BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); + BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); + BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); + BIO_printf(bio_err," command to see what is available\n"); + BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); + BIO_printf(bio_err," for those protocols that support it, where\n"); + BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); + BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); + BIO_printf(bio_err," are supported.\n"); +#ifndef OPENSSL_NO_ENGINE + BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); +#endif + BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); + BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); + BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); +#ifndef OPENSSL_NO_TLSEXT + BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); + BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); + BIO_printf(bio_err," -status - request certificate status from server\n"); + BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); +# ifndef OPENSSL_NO_NEXTPROTONEG + BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); +# endif + BIO_printf(bio_err," -cutthrough - enable 1-RTT full-handshake for strong ciphers\n"); +#endif + BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); + } + +#ifndef OPENSSL_NO_TLSEXT + +/* This is a context that we pass to callbacks */ +typedef struct tlsextctx_st { + BIO * biodebug; + int ack; +} tlsextctx; + + +static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) + { + tlsextctx * p = (tlsextctx *) arg; + const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); + if (SSL_get_servername_type(s) != -1) + p->ack = !SSL_session_reused(s) && hn != NULL; + else + BIO_printf(bio_err,"Can't use SSL_get_servername\n"); + + return SSL_TLSEXT_ERR_OK; + } + +# ifndef OPENSSL_NO_NEXTPROTONEG +/* This the context that we pass to next_proto_cb */ +typedef struct tlsextnextprotoctx_st { + unsigned char *data; + unsigned short len; + int status; +} tlsextnextprotoctx; + +static tlsextnextprotoctx next_proto; + +static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) + { + tlsextnextprotoctx *ctx = arg; + + if (!c_quiet) + { + /* We can assume that |in| is syntactically valid. */ + unsigned i; + BIO_printf(bio_c_out, "Protocols advertised by server: "); + for (i = 0; i < inlen; ) + { + if (i) + BIO_write(bio_c_out, ", ", 2); + BIO_write(bio_c_out, &in[i + 1], in[i]); + i += in[i] + 1; + } + BIO_write(bio_c_out, "\n", 1); + } + + ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); + return SSL_TLSEXT_ERR_OK; + } +# endif /* ndef OPENSSL_NO_NEXTPROTONEG */ +#endif + +enum +{ + PROTO_OFF = 0, + PROTO_SMTP, + PROTO_POP3, + PROTO_IMAP, + PROTO_FTP, + PROTO_XMPP +}; + +int MAIN(int, char **); + +int MAIN(int argc, char **argv) + { + unsigned int off=0, clr=0; + SSL *con=NULL; + int s,k,width,state=0; + char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; + int cbuf_len,cbuf_off; + int sbuf_len,sbuf_off; + fd_set readfds,writefds; + short port=PORT; + int full_log=1; + char *host=SSL_HOST_NAME; + char *cert_file=NULL,*key_file=NULL; + int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; + char *passarg = NULL, *pass = NULL; + X509 *cert = NULL; + EVP_PKEY *key = NULL; + char *CApath=NULL,*CAfile=NULL,*cipher=NULL; + int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; + int cutthrough=0; + int crlf=0; + int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; + SSL_CTX *ctx=NULL; + int ret=1,in_init=1,i,nbio_test=0; + int starttls_proto = PROTO_OFF; + int prexit = 0; + X509_VERIFY_PARAM *vpm = NULL; + int badarg = 0; + const SSL_METHOD *meth=NULL; + int socket_type=SOCK_STREAM; + BIO *sbio; + char *inrand=NULL; + int mbuf_len=0; + struct timeval timeout, *timeoutp; +#ifndef OPENSSL_NO_ENGINE + char *engine_id=NULL; + char *ssl_client_engine_id=NULL; + ENGINE *ssl_client_engine=NULL; +#endif + ENGINE *e=NULL; +#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) + struct timeval tv; +#if defined(OPENSSL_SYS_BEOS_R5) + int stdin_set = 0; +#endif +#endif +#ifndef OPENSSL_NO_TLSEXT + char *servername = NULL; + tlsextctx tlsextcbp = + {NULL,0}; +# ifndef OPENSSL_NO_NEXTPROTONEG + const char *next_proto_neg_in = NULL; +# endif +#endif + char *sess_in = NULL; + char *sess_out = NULL; + struct sockaddr peer; + int peerlen = sizeof(peer); + int enable_timeouts = 0 ; + long socket_mtu = 0; +#ifndef OPENSSL_NO_JPAKE + char *jpake_secret = NULL; +#endif + +#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) + meth=SSLv23_client_method(); +#elif !defined(OPENSSL_NO_SSL3) + meth=SSLv3_client_method(); +#elif !defined(OPENSSL_NO_SSL2) + meth=SSLv2_client_method(); +#endif + + apps_startup(); + c_Pause=0; + c_quiet=0; + c_ign_eof=0; + c_debug=0; + c_msg=0; + c_showcerts=0; + + if (bio_err == NULL) + bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); + + if (!load_config(bio_err, NULL)) + goto end; + + if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || + ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || + ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) + { + BIO_printf(bio_err,"out of memory\n"); + goto end; + } + + verify_depth=0; + verify_error=X509_V_OK; +#ifdef FIONBIO + c_nbio=0; +#endif + + argc--; + argv++; + while (argc >= 1) + { + if (strcmp(*argv,"-host") == 0) + { + if (--argc < 1) goto bad; + host= *(++argv); + } + else if (strcmp(*argv,"-port") == 0) + { + if (--argc < 1) goto bad; + port=atoi(*(++argv)); + if (port == 0) goto bad; + } + else if (strcmp(*argv,"-connect") == 0) + { + if (--argc < 1) goto bad; + if (!extract_host_port(*(++argv),&host,NULL,&port)) + goto bad; + } + else if (strcmp(*argv,"-verify") == 0) + { + verify=SSL_VERIFY_PEER; + if (--argc < 1) goto bad; + verify_depth=atoi(*(++argv)); + BIO_printf(bio_err,"verify depth is %d\n",verify_depth); + } + else if (strcmp(*argv,"-cert") == 0) + { + if (--argc < 1) goto bad; + cert_file= *(++argv); + } + else if (strcmp(*argv,"-sess_out") == 0) + { + if (--argc < 1) goto bad; + sess_out = *(++argv); + } + else if (strcmp(*argv,"-sess_in") == 0) + { + if (--argc < 1) goto bad; + sess_in = *(++argv); + } + else if (strcmp(*argv,"-certform") == 0) + { + if (--argc < 1) goto bad; + cert_format = str2fmt(*(++argv)); + } + 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,"-prexit") == 0) + prexit=1; + else if (strcmp(*argv,"-crlf") == 0) + crlf=1; + else if (strcmp(*argv,"-quiet") == 0) + { + c_quiet=1; + c_ign_eof=1; + } + else if (strcmp(*argv,"-ign_eof") == 0) + c_ign_eof=1; + else if (strcmp(*argv,"-no_ign_eof") == 0) + c_ign_eof=0; + else if (strcmp(*argv,"-pause") == 0) + c_Pause=1; + else if (strcmp(*argv,"-debug") == 0) + c_debug=1; +#ifndef OPENSSL_NO_TLSEXT + else if (strcmp(*argv,"-tlsextdebug") == 0) + c_tlsextdebug=1; + else if (strcmp(*argv,"-status") == 0) + c_status_req=1; +#endif +#ifdef WATT32 + else if (strcmp(*argv,"-wdebug") == 0) + dbug_init(); +#endif + else if (strcmp(*argv,"-msg") == 0) + c_msg=1; + else if (strcmp(*argv,"-showcerts") == 0) + c_showcerts=1; + else if (strcmp(*argv,"-nbio_test") == 0) + nbio_test=1; + else if (strcmp(*argv,"-state") == 0) + state=1; +#ifndef OPENSSL_NO_PSK + else if (strcmp(*argv,"-psk_identity") == 0) + { + if (--argc < 1) goto bad; + psk_identity=*(++argv); + } + else if (strcmp(*argv,"-psk") == 0) + { + size_t j; + + if (--argc < 1) goto bad; + psk_key=*(++argv); + for (j = 0; j < strlen(psk_key); j++) + { + if (isxdigit((int)psk_key[j])) + continue; + BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); + goto bad; + } + } +#endif +#ifndef OPENSSL_NO_SSL2 + else if (strcmp(*argv,"-ssl2") == 0) + meth=SSLv2_client_method(); +#endif +#ifndef OPENSSL_NO_SSL3 + else if (strcmp(*argv,"-ssl3") == 0) + meth=SSLv3_client_method(); +#endif +#ifndef OPENSSL_NO_TLS1 + else if (strcmp(*argv,"-tls1") == 0) + meth=TLSv1_client_method(); +#endif +#ifndef OPENSSL_NO_DTLS1 + else if (strcmp(*argv,"-dtls1") == 0) + { + meth=DTLSv1_client_method(); + socket_type=SOCK_DGRAM; + } + else if (strcmp(*argv,"-timeout") == 0) + enable_timeouts=1; + else if (strcmp(*argv,"-mtu") == 0) + { + if (--argc < 1) goto bad; + socket_mtu = atol(*(++argv)); + } +#endif + else if (strcmp(*argv,"-bugs") == 0) + bugs=1; + else if (strcmp(*argv,"-keyform") == 0) + { + if (--argc < 1) goto bad; + key_format = str2fmt(*(++argv)); + } + else if (strcmp(*argv,"-pass") == 0) + { + if (--argc < 1) goto bad; + passarg = *(++argv); + } + else if (strcmp(*argv,"-key") == 0) + { + if (--argc < 1) goto bad; + key_file= *(++argv); + } + else if (strcmp(*argv,"-reconnect") == 0) + { + reconnect=5; + } + else if (strcmp(*argv,"-CApath") == 0) + { + if (--argc < 1) goto bad; + CApath= *(++argv); + } + else if (strcmp(*argv,"-CAfile") == 0) + { + if (--argc < 1) goto bad; + CAfile= *(++argv); + } + else if (strcmp(*argv,"-no_tls1") == 0) + off|=SSL_OP_NO_TLSv1; + else if (strcmp(*argv,"-no_ssl3") == 0) + off|=SSL_OP_NO_SSLv3; + else if (strcmp(*argv,"-no_ssl2") == 0) + off|=SSL_OP_NO_SSLv2; + 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; } +# ifndef OPENSSL_NO_NEXTPROTONEG + else if (strcmp(*argv,"-nextprotoneg") == 0) + { + if (--argc < 1) goto bad; + next_proto_neg_in = *(++argv); + } +# endif +#endif + else if (strcmp(*argv,"-cutthrough") == 0) + cutthrough=1; + else if (strcmp(*argv,"-serverpref") == 0) + off|=SSL_OP_CIPHER_SERVER_PREFERENCE; + else if (strcmp(*argv,"-legacy_renegotiation") == 0) + off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; + else if (strcmp(*argv,"-legacy_server_connect") == 0) + { off|=SSL_OP_LEGACY_SERVER_CONNECT; } + else if (strcmp(*argv,"-no_legacy_server_connect") == 0) + { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } + else if (strcmp(*argv,"-cipher") == 0) + { + if (--argc < 1) goto bad; + cipher= *(++argv); + } +#ifdef FIONBIO + else if (strcmp(*argv,"-nbio") == 0) + { c_nbio=1; } +#endif + else if (strcmp(*argv,"-starttls") == 0) + { + if (--argc < 1) goto bad; + ++argv; + if (strcmp(*argv,"smtp") == 0) + starttls_proto = PROTO_SMTP; + else if (strcmp(*argv,"pop3") == 0) + starttls_proto = PROTO_POP3; + else if (strcmp(*argv,"imap") == 0) + starttls_proto = PROTO_IMAP; + else if (strcmp(*argv,"ftp") == 0) + starttls_proto = PROTO_FTP; + else if (strcmp(*argv, "xmpp") == 0) + starttls_proto = PROTO_XMPP; + else + goto bad; + } +#ifndef OPENSSL_NO_ENGINE + else if (strcmp(*argv,"-engine") == 0) + { + if (--argc < 1) goto bad; + engine_id = *(++argv); + } + else if (strcmp(*argv,"-ssl_client_engine") == 0) + { + if (--argc < 1) goto bad; + ssl_client_engine_id = *(++argv); + } +#endif + else if (strcmp(*argv,"-rand") == 0) + { + if (--argc < 1) goto bad; + inrand= *(++argv); + } +#ifndef OPENSSL_NO_TLSEXT + else if (strcmp(*argv,"-servername") == 0) + { + if (--argc < 1) goto bad; + servername= *(++argv); + /* meth=TLSv1_client_method(); */ + } +#endif +#ifndef OPENSSL_NO_JPAKE + else if (strcmp(*argv,"-jpake") == 0) + { + if (--argc < 1) goto bad; + jpake_secret = *++argv; + } +#endif + else + { + BIO_printf(bio_err,"unknown option %s\n",*argv); + badop=1; + break; + } + argc--; + argv++; + } + if (badop) + { +bad: + sc_usage(); + goto end; + } + +#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) + if (jpake_secret) + { + if (psk_key) + { + BIO_printf(bio_err, + "Can't use JPAKE and PSK together\n"); + goto end; + } + psk_identity = "JPAKE"; + } + + if (cipher) + { + BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); + goto end; + } + cipher = "PSK"; +#endif + + OpenSSL_add_ssl_algorithms(); + SSL_load_error_strings(); + +#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) + next_proto.status = -1; + if (next_proto_neg_in) + { + next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); + if (next_proto.data == NULL) + { + BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); + goto end; + } + } + else + next_proto.data = NULL; +#endif + +#ifndef OPENSSL_NO_ENGINE + e = setup_engine(bio_err, engine_id, 1); + if (ssl_client_engine_id) + { + ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); + if (!ssl_client_engine) + { + BIO_printf(bio_err, + "Error getting client auth engine\n"); + goto end; + } + } + +#endif + if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) + { + BIO_printf(bio_err, "Error getting password\n"); + goto end; + } + + if (key_file == NULL) + key_file = cert_file; + + + if (key_file) + + { + + key = load_key(bio_err, key_file, key_format, 0, pass, e, + "client certificate private key file"); + if (!key) + { + ERR_print_errors(bio_err); + goto end; + } + + } + + if (cert_file) + + { + cert = load_cert(bio_err,cert_file,cert_format, + NULL, e, "client certificate file"); + + if (!cert) + { + ERR_print_errors(bio_err); + goto end; + } + } + + if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL + && !RAND_status()) + { + BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); + } + if (inrand != NULL) + BIO_printf(bio_err,"%ld semi-random bytes loaded\n", + app_RAND_load_files(inrand)); + + if (bio_c_out == NULL) + { + if (c_quiet && !c_debug && !c_msg) + { + bio_c_out=BIO_new(BIO_s_null()); + } + else + { + if (bio_c_out == NULL) + bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); + } + } + + ctx=SSL_CTX_new(meth); + if (ctx == NULL) + { + ERR_print_errors(bio_err); + goto end; + } + + if (vpm) + SSL_CTX_set1_param(ctx, vpm); + +#ifndef OPENSSL_NO_ENGINE + if (ssl_client_engine) + { + if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) + { + BIO_puts(bio_err, "Error setting client auth engine\n"); + ERR_print_errors(bio_err); + ENGINE_free(ssl_client_engine); + goto end; + } + ENGINE_free(ssl_client_engine); + } +#endif + +#ifndef OPENSSL_NO_PSK +#ifdef OPENSSL_NO_JPAKE + if (psk_key != NULL) +#else + if (psk_key != NULL || jpake_secret) +#endif + { + if (c_debug) + BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); + SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); + } +#endif + if (bugs) + SSL_CTX_set_options(ctx,SSL_OP_ALL|off); + else + SSL_CTX_set_options(ctx,off); + + if (clr) + SSL_CTX_clear_options(ctx, clr); + /* 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); + + /* Enable handshake cutthrough for client connections using + * strong ciphers. */ + if (cutthrough) + { + int ssl_mode = SSL_CTX_get_mode(ctx); + ssl_mode |= SSL_MODE_HANDSHAKE_CUTTHROUGH; + SSL_CTX_set_mode(ctx, ssl_mode); + } + +#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) + if (next_proto.data) + SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); +#endif + + if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); + 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; + } +#if 0 + else + SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); +#endif + + SSL_CTX_set_verify(ctx,verify,verify_callback); + if (!set_cert_key_stuff(ctx,cert,key)) + goto end; + + if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || + (!SSL_CTX_set_default_verify_paths(ctx))) + { + /* BIO_printf(bio_err,"error setting default verify locations\n"); */ + ERR_print_errors(bio_err); + /* goto end; */ + } + +#ifndef OPENSSL_NO_TLSEXT + if (servername != NULL) + { + tlsextcbp.biodebug = bio_err; + SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); + SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); + } +#endif + + con=SSL_new(ctx); + if (sess_in) + { + SSL_SESSION *sess; + BIO *stmp = BIO_new_file(sess_in, "r"); + if (!stmp) + { + BIO_printf(bio_err, "Can't open session file %s\n", + sess_in); + ERR_print_errors(bio_err); + goto end; + } + sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); + BIO_free(stmp); + if (!sess) + { + BIO_printf(bio_err, "Can't open session file %s\n", + sess_in); + ERR_print_errors(bio_err); + goto end; + } + SSL_set_session(con, sess); + SSL_SESSION_free(sess); + } +#ifndef OPENSSL_NO_TLSEXT + if (servername != NULL) + { + if (!SSL_set_tlsext_host_name(con,servername)) + { + BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); + ERR_print_errors(bio_err); + goto end; + } + } +#endif +#ifndef OPENSSL_NO_KRB5 + if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL) + { + kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host); + } +#endif /* OPENSSL_NO_KRB5 */ +/* SSL_set_cipher_list(con,"RC4-MD5"); */ +#if 0 +#ifdef TLSEXT_TYPE_opaque_prf_input + SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); +#endif +#endif + +re_start: + + if (init_client(&s,host,port,socket_type) == 0) + { + BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); + SHUTDOWN(s); + goto end; + } + BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); + +#ifdef FIONBIO + if (c_nbio) + { + unsigned long l=1; + BIO_printf(bio_c_out,"turning on non blocking io\n"); + if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) + { + ERR_print_errors(bio_err); + goto end; + } + } +#endif + if (c_Pause & 0x01) con->debug=1; + + if ( SSL_version(con) == DTLS1_VERSION) + { + + sbio=BIO_new_dgram(s,BIO_NOCLOSE); + if (getsockname(s, &peer, (void *)&peerlen) < 0) + { + BIO_printf(bio_err, "getsockname:errno=%d\n", + get_last_socket_error()); + SHUTDOWN(s); + goto end; + } + + (void)BIO_ctrl_set_connected(sbio, 1, &peer); + + 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); + } + else + sbio=BIO_new_socket(s,BIO_NOCLOSE); + + if (nbio_test) + { + BIO *test; + + test=BIO_new(BIO_f_nbio_test()); + sbio=BIO_push(test,sbio); + } + + if (c_debug) + { + con->debug=1; + BIO_set_callback(sbio,bio_dump_callback); + BIO_set_callback_arg(sbio,(char *)bio_c_out); + } + if (c_msg) + { + SSL_set_msg_callback(con, msg_cb); + SSL_set_msg_callback_arg(con, bio_c_out); + } +#ifndef OPENSSL_NO_TLSEXT + if (c_tlsextdebug) + { + SSL_set_tlsext_debug_callback(con, tlsext_cb); + SSL_set_tlsext_debug_arg(con, bio_c_out); + } + if (c_status_req) + { + SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); + SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); + SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); +#if 0 +{ +STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); +OCSP_RESPID *id = OCSP_RESPID_new(); +id->value.byKey = ASN1_OCTET_STRING_new(); +id->type = V_OCSP_RESPID_KEY; +ASN1_STRING_set(id->value.byKey, "Hello World", -1); +sk_OCSP_RESPID_push(ids, id); +SSL_set_tlsext_status_ids(con, ids); +} +#endif + } +#endif +#ifndef OPENSSL_NO_JPAKE + if (jpake_secret) + jpake_client_auth(bio_c_out, sbio, jpake_secret); +#endif + + SSL_set_bio(con,sbio,sbio); + SSL_set_connect_state(con); + + /* ok, lets connect */ + width=SSL_get_fd(con)+1; + + read_tty=1; + write_tty=0; + tty_on=0; + read_ssl=1; + write_ssl=1; + + cbuf_len=0; + cbuf_off=0; + sbuf_len=0; + sbuf_off=0; + + /* This is an ugly hack that does a lot of assumptions */ + /* We do have to handle multi-line responses which may come + in a single packet or not. We therefore have to use + BIO_gets() which does need a buffering BIO. So during + the initial chitchat we do push a buffering BIO into the + chain that is removed again later on to not disturb the + rest of the s_client operation. */ + if (starttls_proto == PROTO_SMTP) + { + int foundit=0; + BIO *fbio = BIO_new(BIO_f_buffer()); + BIO_push(fbio, sbio); + /* wait for multi-line response to end from SMTP */ + do + { + mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); + } + while (mbuf_len>3 && mbuf[3]=='-'); + /* STARTTLS command requires EHLO... */ + BIO_printf(fbio,"EHLO openssl.client.net\r\n"); + (void)BIO_flush(fbio); + /* wait for multi-line response to end EHLO SMTP response */ + do + { + mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); + if (strstr(mbuf,"STARTTLS")) + foundit=1; + } + while (mbuf_len>3 && mbuf[3]=='-'); + (void)BIO_flush(fbio); + BIO_pop(fbio); + BIO_free(fbio); + if (!foundit) + BIO_printf(bio_err, + "didn't found starttls in server response," + " try anyway...\n"); + BIO_printf(sbio,"STARTTLS\r\n"); + BIO_read(sbio,sbuf,BUFSIZZ); + } + else if (starttls_proto == PROTO_POP3) + { + BIO_read(sbio,mbuf,BUFSIZZ); + BIO_printf(sbio,"STLS\r\n"); + BIO_read(sbio,sbuf,BUFSIZZ); + } + else if (starttls_proto == PROTO_IMAP) + { + int foundit=0; + BIO *fbio = BIO_new(BIO_f_buffer()); + BIO_push(fbio, sbio); + BIO_gets(fbio,mbuf,BUFSIZZ); + /* STARTTLS command requires CAPABILITY... */ + BIO_printf(fbio,". CAPABILITY\r\n"); + (void)BIO_flush(fbio); + /* wait for multi-line CAPABILITY response */ + do + { + mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); + if (strstr(mbuf,"STARTTLS")) + foundit=1; + } + while (mbuf_len>3 && mbuf[0]!='.'); + (void)BIO_flush(fbio); + BIO_pop(fbio); + BIO_free(fbio); + if (!foundit) + BIO_printf(bio_err, + "didn't found STARTTLS in server response," + " try anyway...\n"); + BIO_printf(sbio,". STARTTLS\r\n"); + BIO_read(sbio,sbuf,BUFSIZZ); + } + else if (starttls_proto == PROTO_FTP) + { + BIO *fbio = BIO_new(BIO_f_buffer()); + BIO_push(fbio, sbio); + /* wait for multi-line response to end from FTP */ + do + { + mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); + } + while (mbuf_len>3 && mbuf[3]=='-'); + (void)BIO_flush(fbio); + BIO_pop(fbio); + BIO_free(fbio); + BIO_printf(sbio,"AUTH TLS\r\n"); + BIO_read(sbio,sbuf,BUFSIZZ); + } + if (starttls_proto == PROTO_XMPP) + { + int seen = 0; + BIO_printf(sbio,"<stream:stream " + "xmlns:stream='http://etherx.jabber.org/streams' " + "xmlns='jabber:client' to='%s' version='1.0'>", host); + seen = BIO_read(sbio,mbuf,BUFSIZZ); + mbuf[seen] = 0; + while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) + { + if (strstr(mbuf, "/stream:features>")) + goto shut; + seen = BIO_read(sbio,mbuf,BUFSIZZ); + mbuf[seen] = 0; + } + BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); + seen = BIO_read(sbio,sbuf,BUFSIZZ); + sbuf[seen] = 0; + if (!strstr(sbuf, "<proceed")) + goto shut; + mbuf[0] = 0; + } + + for (;;) + { + FD_ZERO(&readfds); + FD_ZERO(&writefds); + + if ((SSL_version(con) == DTLS1_VERSION) && + DTLSv1_get_timeout(con, &timeout)) + timeoutp = &timeout; + else + timeoutp = NULL; + + if (SSL_in_init(con) && !SSL_total_renegotiations(con)) + { + in_init=1; + tty_on=0; + } + else + { + tty_on=1; + if (in_init) + { + in_init=0; +#if 0 /* This test doesn't really work as intended (needs to be fixed) */ +#ifndef OPENSSL_NO_TLSEXT + if (servername != NULL && !SSL_session_reused(con)) + { + BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); + } +#endif +#endif + if (sess_out) + { + BIO *stmp = BIO_new_file(sess_out, "w"); + if (stmp) + { + PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); + BIO_free(stmp); + } + else + BIO_printf(bio_err, "Error writing session file %s\n", sess_out); + } + print_stuff(bio_c_out,con,full_log); + if (full_log > 0) full_log--; + + if (starttls_proto) + { + BIO_printf(bio_err,"%s",mbuf); + /* We don't need to know any more */ + starttls_proto = PROTO_OFF; + } + + if (reconnect) + { + reconnect--; + BIO_printf(bio_c_out,"drop connection and then reconnect\n"); + SSL_shutdown(con); + SSL_set_connect_state(con); + SHUTDOWN(SSL_get_fd(con)); + goto re_start; + } + } + } + + ssl_pending = read_ssl && SSL_pending(con); + + if (!ssl_pending) + { +#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) + if (tty_on) + { + if (read_tty) openssl_fdset(fileno(stdin),&readfds); + if (write_tty) openssl_fdset(fileno(stdout),&writefds); + } + if (read_ssl) + openssl_fdset(SSL_get_fd(con),&readfds); + if (write_ssl) + openssl_fdset(SSL_get_fd(con),&writefds); +#else + if(!tty_on || !write_tty) { + if (read_ssl) + openssl_fdset(SSL_get_fd(con),&readfds); + if (write_ssl) + openssl_fdset(SSL_get_fd(con),&writefds); + } +#endif +/* printf("mode tty(%d %d%d) ssl(%d%d)\n", + tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ + + /* 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 Windows/DOS we make the assumption that we can + * always write to the tty: therefore if we need to + * write to the tty we just fall through. Otherwise + * we timeout the select every second and see if there + * are any keypresses. Note: this is a hack, in a proper + * Windows application we wouldn't do this. + */ + i=0; + if(!write_tty) { + if(read_tty) { + tv.tv_sec = 1; + tv.tv_usec = 0; + i=select(width,(void *)&readfds,(void *)&writefds, + NULL,&tv); +#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) + if(!i && (!_kbhit() || !read_tty) ) continue; +#else + if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; +#endif + } else i=select(width,(void *)&readfds,(void *)&writefds, + NULL,timeoutp); + } +#elif defined(OPENSSL_SYS_NETWARE) + if(!write_tty) { + if(read_tty) { + tv.tv_sec = 1; + tv.tv_usec = 0; + i=select(width,(void *)&readfds,(void *)&writefds, + NULL,&tv); + } else i=select(width,(void *)&readfds,(void *)&writefds, + NULL,timeoutp); + } +#elif defined(OPENSSL_SYS_BEOS_R5) + /* Under BeOS-R5 the situation is similar to DOS */ + i=0; + stdin_set = 0; + (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); + if(!write_tty) { + if(read_tty) { + tv.tv_sec = 1; + tv.tv_usec = 0; + i=select(width,(void *)&readfds,(void *)&writefds, + NULL,&tv); + if (read(fileno(stdin), sbuf, 0) >= 0) + stdin_set = 1; + if (!i && (stdin_set != 1 || !read_tty)) + continue; + } else i=select(width,(void *)&readfds,(void *)&writefds, + NULL,timeoutp); + } + (void)fcntl(fileno(stdin), F_SETFL, 0); +#else + i=select(width,(void *)&readfds,(void *)&writefds, + NULL,timeoutp); +#endif + if ( i < 0) + { + BIO_printf(bio_err,"bad select %d\n", + get_last_socket_error()); + goto shut; + /* goto end; */ + } + } + + if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) + { + BIO_printf(bio_err,"TIMEOUT occured\n"); + } + + if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) + { + k=SSL_write(con,&(cbuf[cbuf_off]), + (unsigned int)cbuf_len); + switch (SSL_get_error(con,k)) + { + case SSL_ERROR_NONE: + cbuf_off+=k; + cbuf_len-=k; + if (k <= 0) goto end; + /* we have done a write(con,NULL,0); */ + if (cbuf_len <= 0) + { + read_tty=1; + write_ssl=0; + } + else /* if (cbuf_len > 0) */ + { + read_tty=0; + write_ssl=1; + } + break; + case SSL_ERROR_WANT_WRITE: + BIO_printf(bio_c_out,"write W BLOCK\n"); + write_ssl=1; + read_tty=0; + break; + case SSL_ERROR_WANT_READ: + BIO_printf(bio_c_out,"write R BLOCK\n"); + write_tty=0; + read_ssl=1; + write_ssl=0; + break; + case SSL_ERROR_WANT_X509_LOOKUP: + BIO_printf(bio_c_out,"write X BLOCK\n"); + break; + case SSL_ERROR_ZERO_RETURN: + if (cbuf_len != 0) + { + BIO_printf(bio_c_out,"shutdown\n"); + ret = 0; + goto shut; + } + else + { + read_tty=1; + write_ssl=0; + break; + } + + case SSL_ERROR_SYSCALL: + if ((k != 0) || (cbuf_len != 0)) + { + BIO_printf(bio_err,"write:errno=%d\n", + get_last_socket_error()); + goto shut; + } + else + { + read_tty=1; + write_ssl=0; + } + break; + case SSL_ERROR_SSL: + ERR_print_errors(bio_err); + goto shut; + } + } +#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) + /* Assume Windows/DOS/BeOS can always write */ + else if (!ssl_pending && write_tty) +#else + else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) +#endif + { +#ifdef CHARSET_EBCDIC + ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); +#endif + i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); + + if (i <= 0) + { + BIO_printf(bio_c_out,"DONE\n"); + ret = 0; + goto shut; + /* goto end; */ + } + + sbuf_len-=i;; + sbuf_off+=i; + if (sbuf_len <= 0) + { + read_ssl=1; + write_tty=0; + } + } + else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) + { +#ifdef RENEG +{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } +#endif +#if 1 + k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); +#else +/* Demo for pending and peek :-) */ + k=SSL_read(con,sbuf,16); +{ char zbuf[10240]; +printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); +} +#endif + + switch (SSL_get_error(con,k)) + { + case SSL_ERROR_NONE: + if (k <= 0) + goto end; + sbuf_off=0; + sbuf_len=k; + + read_ssl=0; + write_tty=1; + break; + case SSL_ERROR_WANT_WRITE: + BIO_printf(bio_c_out,"read W BLOCK\n"); + write_ssl=1; + read_tty=0; + break; + case SSL_ERROR_WANT_READ: + BIO_printf(bio_c_out,"read R BLOCK\n"); + write_tty=0; + read_ssl=1; + if ((read_tty == 0) && (write_ssl == 0)) + write_ssl=1; + break; + case SSL_ERROR_WANT_X509_LOOKUP: + BIO_printf(bio_c_out,"read X BLOCK\n"); + break; + case SSL_ERROR_SYSCALL: + ret=get_last_socket_error(); + BIO_printf(bio_err,"read:errno=%d\n",ret); + goto shut; + case SSL_ERROR_ZERO_RETURN: + BIO_printf(bio_c_out,"closed\n"); + ret=0; + goto shut; + case SSL_ERROR_SSL: + ERR_print_errors(bio_err); + goto shut; + /* break; */ + } + } + +#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) +#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) + else if (_kbhit()) +#else + else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) +#endif +#elif defined (OPENSSL_SYS_NETWARE) + else if (_kbhit()) +#elif defined(OPENSSL_SYS_BEOS_R5) + else if (stdin_set) +#else + else if (FD_ISSET(fileno(stdin),&readfds)) +#endif + { + if (crlf) + { + int j, lf_num; + + i=raw_read_stdin(cbuf,BUFSIZZ/2); + lf_num = 0; + /* both loops are skipped when i <= 0 */ + for (j = 0; j < i; j++) + if (cbuf[j] == '\n') + lf_num++; + for (j = i-1; j >= 0; j--) + { + cbuf[j+lf_num] = cbuf[j]; + if (cbuf[j] == '\n') + { + lf_num--; + i++; + cbuf[j+lf_num] = '\r'; + } + } + assert(lf_num == 0); + } + else + i=raw_read_stdin(cbuf,BUFSIZZ); + + if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) + { + BIO_printf(bio_err,"DONE\n"); + ret=0; + goto shut; + } + + if ((!c_ign_eof) && (cbuf[0] == 'R')) + { + BIO_printf(bio_err,"RENEGOTIATING\n"); + SSL_renegotiate(con); + cbuf_len=0; + } + else + { + cbuf_len=i; + cbuf_off=0; +#ifdef CHARSET_EBCDIC + ebcdic2ascii(cbuf, cbuf, i); +#endif + } + + write_ssl=1; + read_tty=0; + } + } + + ret=0; +shut: + if (in_init) + print_stuff(bio_c_out,con,full_log); + SSL_shutdown(con); + SHUTDOWN(SSL_get_fd(con)); +end: + if (con != NULL) + { + if (prexit != 0) + print_stuff(bio_c_out,con,1); + SSL_free(con); + } + if (ctx != NULL) SSL_CTX_free(ctx); + if (cert) + X509_free(cert); + if (key) + EVP_PKEY_free(key); + if (pass) + OPENSSL_free(pass); + if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } + if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } + if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } + if (bio_c_out != NULL) + { + BIO_free(bio_c_out); + bio_c_out=NULL; + } + apps_shutdown(); + OPENSSL_EXIT(ret); + } + + +static void print_stuff(BIO *bio, SSL *s, int full) + { + X509 *peer=NULL; + char *p; + static const char *space=" "; + char buf[BUFSIZ]; + STACK_OF(X509) *sk; + STACK_OF(X509_NAME) *sk2; + const SSL_CIPHER *c; + X509_NAME *xn; + int j,i; +#ifndef OPENSSL_NO_COMP + const COMP_METHOD *comp, *expansion; +#endif + + if (full) + { + int got_a_chain = 0; + + sk=SSL_get_peer_cert_chain(s); + if (sk != NULL) + { + got_a_chain = 1; /* we don't have it for SSL2 (yet) */ + + BIO_printf(bio,"---\nCertificate chain\n"); + for (i=0; i<sk_X509_num(sk); i++) + { + X509_NAME_oneline(X509_get_subject_name( + sk_X509_value(sk,i)),buf,sizeof buf); + BIO_printf(bio,"%2d s:%s\n",i,buf); + X509_NAME_oneline(X509_get_issuer_name( + sk_X509_value(sk,i)),buf,sizeof buf); + BIO_printf(bio," i:%s\n",buf); + if (c_showcerts) + PEM_write_bio_X509(bio,sk_X509_value(sk,i)); + } + } + + BIO_printf(bio,"---\n"); + peer=SSL_get_peer_certificate(s); + if (peer != NULL) + { + BIO_printf(bio,"Server certificate\n"); + if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ + PEM_write_bio_X509(bio,peer); + X509_NAME_oneline(X509_get_subject_name(peer), + buf,sizeof buf); + BIO_printf(bio,"subject=%s\n",buf); + X509_NAME_oneline(X509_get_issuer_name(peer), + buf,sizeof buf); + BIO_printf(bio,"issuer=%s\n",buf); + } + else + BIO_printf(bio,"no peer certificate available\n"); + + sk2=SSL_get_client_CA_list(s); + if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) + { + BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); + for (i=0; i<sk_X509_NAME_num(sk2); i++) + { + xn=sk_X509_NAME_value(sk2,i); + X509_NAME_oneline(xn,buf,sizeof(buf)); + BIO_write(bio,buf,strlen(buf)); + BIO_write(bio,"\n",1); + } + } + else + { + BIO_printf(bio,"---\nNo client certificate CA names sent\n"); + } + p=SSL_get_shared_ciphers(s,buf,sizeof buf); + if (p != NULL) + { + /* This works only for SSL 2. In later protocol + * versions, the client does not know what other + * ciphers (in addition to the one to be used + * in the current connection) the server supports. */ + + BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); + j=i=0; + while (*p) + { + if (*p == ':') + { + BIO_write(bio,space,15-j%25); + i++; + j=0; + BIO_write(bio,((i%3)?" ":"\n"),1); + } + else + { + BIO_write(bio,p,1); + j++; + } + p++; + } + BIO_write(bio,"\n",1); + } + + BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", + BIO_number_read(SSL_get_rbio(s)), + BIO_number_written(SSL_get_wbio(s))); + } + BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, ")); + c=SSL_get_current_cipher(s); + BIO_printf(bio,"%s, Cipher is %s\n", + SSL_CIPHER_get_version(c), + SSL_CIPHER_get_name(c)); + if (peer != NULL) { + EVP_PKEY *pktmp; + pktmp = X509_get_pubkey(peer); + BIO_printf(bio,"Server public key is %d bit\n", + EVP_PKEY_bits(pktmp)); + EVP_PKEY_free(pktmp); + } + BIO_printf(bio, "Secure Renegotiation IS%s supported\n", + SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); +#ifndef OPENSSL_NO_COMP + comp=SSL_get_current_compression(s); + expansion=SSL_get_current_expansion(s); + BIO_printf(bio,"Compression: %s\n", + comp ? SSL_COMP_get_name(comp) : "NONE"); + BIO_printf(bio,"Expansion: %s\n", + expansion ? SSL_COMP_get_name(expansion) : "NONE"); +#endif + +#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) + if (next_proto.status != -1) { + const unsigned char *proto; + unsigned int proto_len; + SSL_get0_next_proto_negotiated(s, &proto, &proto_len); + BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); + BIO_write(bio, proto, proto_len); + BIO_write(bio, "\n", 1); + } +#endif + + SSL_SESSION_print(bio,SSL_get_session(s)); + BIO_printf(bio,"---\n"); + if (peer != NULL) + X509_free(peer); + /* flush, or debugging output gets mixed with http response */ + (void)BIO_flush(bio); + } + +#ifndef OPENSSL_NO_TLSEXT + +static int ocsp_resp_cb(SSL *s, void *arg) + { + const unsigned char *p; + int len; + OCSP_RESPONSE *rsp; + len = SSL_get_tlsext_status_ocsp_resp(s, &p); + BIO_puts(arg, "OCSP response: "); + if (!p) + { + BIO_puts(arg, "no response sent\n"); + return 1; + } + rsp = d2i_OCSP_RESPONSE(NULL, &p, len); + if (!rsp) + { + BIO_puts(arg, "response parse error\n"); + BIO_dump_indent(arg, (char *)p, len, 4); + return 0; + } + BIO_puts(arg, "\n======================================\n"); + OCSP_RESPONSE_print(arg, rsp, 0); + BIO_puts(arg, "======================================\n"); + OCSP_RESPONSE_free(rsp); + return 1; + } + +#endif |