| /* 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> |
| #ifndef OPENSSL_NO_SRP |
| # include <openssl/srp.h> |
| #endif |
| #include "s_apps.h" |
| #include "timeouts.h" |
| |
| #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) |
| /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ |
| # undef FIONBIO |
| #endif |
| |
| #if defined(OPENSSL_SYS_BEOS_R5) |
| # include <fcntl.h> |
| #endif |
| |
| #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" |
| |
| /* no default cert. */ |
| /* |
| * #define TEST_CERT "client.pem" |
| */ |
| |
| #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 char *keymatexportlabel = NULL; |
| static int keymatexportlen = 20; |
| |
| 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, |
| " -verify_return_error - return verification errors\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, |
| " -no_alt_chains - only ever use the first certificate chain found\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, |
| " -prexit - print session information even on connection failure\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 |
| #ifndef OPENSSL_NO_SRP |
| BIO_printf(bio_err, |
| " -srpuser user - SRP authentification for 'user'\n"); |
| BIO_printf(bio_err, " -srppass arg - password for 'user'\n"); |
| BIO_printf(bio_err, |
| " -srp_lateuser - SRP username into second ClientHello message\n"); |
| BIO_printf(bio_err, |
| " -srp_moregroups - Tolerate other than the known g N values.\n"); |
| BIO_printf(bio_err, |
| " -srp_strength int - minimal length in bits for N (default %d).\n", |
| SRP_MINIMAL_N); |
| #endif |
| BIO_printf(bio_err, " -ssl2 - just use SSLv2\n"); |
| #ifndef OPENSSL_NO_SSL3_METHOD |
| BIO_printf(bio_err, " -ssl3 - just use SSLv3\n"); |
| #endif |
| BIO_printf(bio_err, " -tls1_2 - just use TLSv1.2\n"); |
| BIO_printf(bio_err, " -tls1_1 - just use TLSv1.1\n"); |
| BIO_printf(bio_err, " -tls1 - just use TLSv1\n"); |
| BIO_printf(bio_err, " -dtls1 - just use DTLSv1\n"); |
| BIO_printf(bio_err, " -fallback_scsv - send TLS_FALLBACK_SCSV\n"); |
| BIO_printf(bio_err, " -mtu - set the link layer MTU\n"); |
| BIO_printf(bio_err, |
| " -no_tls1_2/-no_tls1_1/-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 |
| #endif |
| BIO_printf(bio_err, |
| " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); |
| #ifndef OPENSSL_NO_SRTP |
| BIO_printf(bio_err, |
| " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); |
| #endif |
| BIO_printf(bio_err, |
| " -keymatexport label - Export keying material using label\n"); |
| BIO_printf(bio_err, |
| " -keymatexportlen len - Export len bytes of keying material (default 20)\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_SRP |
| |
| /* This is a context that we pass to all callbacks */ |
| typedef struct srp_arg_st { |
| char *srppassin; |
| char *srplogin; |
| int msg; /* copy from c_msg */ |
| int debug; /* copy from c_debug */ |
| int amp; /* allow more groups */ |
| int strength /* minimal size for N */ ; |
| } SRP_ARG; |
| |
| # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 |
| |
| static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) |
| { |
| BN_CTX *bn_ctx = BN_CTX_new(); |
| BIGNUM *p = BN_new(); |
| BIGNUM *r = BN_new(); |
| int ret = |
| g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && |
| BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && |
| p != NULL && BN_rshift1(p, N) && |
| /* p = (N-1)/2 */ |
| BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && |
| r != NULL && |
| /* verify g^((N-1)/2) == -1 (mod N) */ |
| BN_mod_exp(r, g, p, N, bn_ctx) && |
| BN_add_word(r, 1) && BN_cmp(r, N) == 0; |
| |
| if (r) |
| BN_free(r); |
| if (p) |
| BN_free(p); |
| if (bn_ctx) |
| BN_CTX_free(bn_ctx); |
| return ret; |
| } |
| |
| /*- |
| * This callback is used here for two purposes: |
| * - extended debugging |
| * - making some primality tests for unknown groups |
| * The callback is only called for a non default group. |
| * |
| * An application does not need the call back at all if |
| * only the stanard groups are used. In real life situations, |
| * client and server already share well known groups, |
| * thus there is no need to verify them. |
| * Furthermore, in case that a server actually proposes a group that |
| * is not one of those defined in RFC 5054, it is more appropriate |
| * to add the group to a static list and then compare since |
| * primality tests are rather cpu consuming. |
| */ |
| |
| static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) |
| { |
| SRP_ARG *srp_arg = (SRP_ARG *)arg; |
| BIGNUM *N = NULL, *g = NULL; |
| if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) |
| return 0; |
| if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) { |
| BIO_printf(bio_err, "SRP parameters:\n"); |
| BIO_printf(bio_err, "\tN="); |
| BN_print(bio_err, N); |
| BIO_printf(bio_err, "\n\tg="); |
| BN_print(bio_err, g); |
| BIO_printf(bio_err, "\n"); |
| } |
| |
| if (SRP_check_known_gN_param(g, N)) |
| return 1; |
| |
| if (srp_arg->amp == 1) { |
| if (srp_arg->debug) |
| BIO_printf(bio_err, |
| "SRP param N and g are not known params, going to check deeper.\n"); |
| |
| /* |
| * The srp_moregroups is a real debugging feature. Implementors |
| * should rather add the value to the known ones. The minimal size |
| * has already been tested. |
| */ |
| if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g)) |
| return 1; |
| } |
| BIO_printf(bio_err, "SRP param N and g rejected.\n"); |
| return 0; |
| } |
| |
| # define PWD_STRLEN 1024 |
| |
| static char *MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) |
| { |
| SRP_ARG *srp_arg = (SRP_ARG *)arg; |
| char *pass = (char *)OPENSSL_malloc(PWD_STRLEN + 1); |
| PW_CB_DATA cb_tmp; |
| int l; |
| |
| if (!pass) { |
| BIO_printf(bio_err, "Malloc failure\n"); |
| return NULL; |
| } |
| |
| cb_tmp.password = (char *)srp_arg->srppassin; |
| cb_tmp.prompt_info = "SRP user"; |
| if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) { |
| BIO_printf(bio_err, "Can't read Password\n"); |
| OPENSSL_free(pass); |
| return NULL; |
| } |
| *(pass + l) = '\0'; |
| |
| return pass; |
| } |
| |
| # endif |
| # ifndef OPENSSL_NO_SRTP |
| char *srtp_profiles = NULL; |
| # endif |
| |
| # 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; |
| #ifndef OPENSSL_NO_KRB5 |
| KSSL_CTX *kctx; |
| #endif |
| 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 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 fallback_scsv = 0; |
| int enable_timeouts = 0; |
| long socket_mtu = 0; |
| #ifndef OPENSSL_NO_JPAKE |
| char *jpake_secret = NULL; |
| #endif |
| #ifndef OPENSSL_NO_SRP |
| char *srppass = NULL; |
| int srp_lateuser = 0; |
| SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 }; |
| #endif |
| |
| meth = SSLv23_client_method(); |
| |
| 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((unsigned char)psk_key[j])) |
| continue; |
| BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); |
| goto bad; |
| } |
| } |
| #endif |
| #ifndef OPENSSL_NO_SRP |
| else if (strcmp(*argv, "-srpuser") == 0) { |
| if (--argc < 1) |
| goto bad; |
| srp_arg.srplogin = *(++argv); |
| meth = TLSv1_client_method(); |
| } else if (strcmp(*argv, "-srppass") == 0) { |
| if (--argc < 1) |
| goto bad; |
| srppass = *(++argv); |
| meth = TLSv1_client_method(); |
| } else if (strcmp(*argv, "-srp_strength") == 0) { |
| if (--argc < 1) |
| goto bad; |
| srp_arg.strength = atoi(*(++argv)); |
| BIO_printf(bio_err, "SRP minimal length for N is %d\n", |
| srp_arg.strength); |
| meth = TLSv1_client_method(); |
| } else if (strcmp(*argv, "-srp_lateuser") == 0) { |
| srp_lateuser = 1; |
| meth = TLSv1_client_method(); |
| } else if (strcmp(*argv, "-srp_moregroups") == 0) { |
| srp_arg.amp = 1; |
| meth = TLSv1_client_method(); |
| } |
| #endif |
| #ifndef OPENSSL_NO_SSL2 |
| else if (strcmp(*argv, "-ssl2") == 0) |
| meth = SSLv2_client_method(); |
| #endif |
| #ifndef OPENSSL_NO_SSL3_METHOD |
| else if (strcmp(*argv, "-ssl3") == 0) |
| meth = SSLv3_client_method(); |
| #endif |
| #ifndef OPENSSL_NO_TLS1 |
| else if (strcmp(*argv, "-tls1_2") == 0) |
| meth = TLSv1_2_client_method(); |
| else if (strcmp(*argv, "-tls1_1") == 0) |
| meth = TLSv1_1_client_method(); |
| 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, "-fallback_scsv") == 0) { |
| fallback_scsv = 1; |
| } 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_2") == 0) |
| off |= SSL_OP_NO_TLSv1_2; |
| else if (strcmp(*argv, "-no_tls1_1") == 0) |
| off |= SSL_OP_NO_TLSv1_1; |
| 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, "-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 |
| #ifndef OPENSSL_NO_SRTP |
| else if (strcmp(*argv, "-use_srtp") == 0) { |
| if (--argc < 1) |
| goto bad; |
| srtp_profiles = *(++argv); |
| } |
| #endif |
| else if (strcmp(*argv, "-keymatexport") == 0) { |
| if (--argc < 1) |
| goto bad; |
| keymatexportlabel = *(++argv); |
| } else if (strcmp(*argv, "-keymatexportlen") == 0) { |
| if (--argc < 1) |
| goto bad; |
| keymatexportlen = atoi(*(++argv)); |
| if (keymatexportlen == 0) |
| goto bad; |
| } else { |
| BIO_printf(bio_err, "unknown option %s\n", *argv); |
| badop = 1; |
| break; |
| } |
| argc--; |
| argv++; |
| } |
| if (badop) { |
| bad: |
| 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); |
| } |
| } |
| #ifndef OPENSSL_NO_SRP |
| if (!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) { |
| BIO_printf(bio_err, "Error getting password\n"); |
| goto end; |
| } |
| #endif |
| |
| 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 |
| #ifndef OPENSSL_NO_SRTP |
| if (srtp_profiles != NULL) |
| SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); |
| #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); |
| |
| #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 ((CAfile || CApath) |
| && !SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) { |
| ERR_print_errors(bio_err); |
| } |
| if (!SSL_CTX_set_default_verify_paths(ctx)) { |
| ERR_print_errors(bio_err); |
| } |
| #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); |
| } |
| # ifndef OPENSSL_NO_SRP |
| if (srp_arg.srplogin) { |
| if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) { |
| BIO_printf(bio_err, "Unable to set SRP username\n"); |
| goto end; |
| } |
| srp_arg.msg = c_msg; |
| srp_arg.debug = c_debug; |
| SSL_CTX_set_srp_cb_arg(ctx, &srp_arg); |
| SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); |
| SSL_CTX_set_srp_strength(ctx, srp_arg.strength); |
| if (c_msg || c_debug || srp_arg.amp == 0) |
| SSL_CTX_set_srp_verify_param_callback(ctx, |
| ssl_srp_verify_param_cb); |
| } |
| # endif |
| #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); |
| } |
| |
| if (fallback_scsv) |
| SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV); |
| |
| #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 && (kctx = kssl_ctx_new()) != NULL) { |
| SSL_set0_kssl_ctx(con, kctx); |
| kssl_ctx_setstring(kctx, 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) |
| SSL_set_debug(con, 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) { |
| 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)); |
| BIO_free(sbio); |
| goto shut; |
| } |
| 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"); |
| BIO_free(sbio); |
| goto shut; |
| } |
| } 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) { |
| SSL_set_debug(con, 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; |
| } |
| #ifndef OPENSSL_NO_HEARTBEATS |
| else if ((!c_ign_eof) && (cbuf[0] == 'B')) { |
| BIO_printf(bio_err, "HEARTBEATING\n"); |
| SSL_heartbeat(con); |
| cbuf_len = 0; |
| } |
| #endif |
| 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 !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) |
| if (next_proto.data) |
| OPENSSL_free(next_proto.data); |
| #endif |
| if (ctx != NULL) |
| SSL_CTX_free(ctx); |
| if (cert) |
| X509_free(cert); |
| if (key) |
| EVP_PKEY_free(key); |
| if (pass) |
| OPENSSL_free(pass); |
| #ifndef OPENSSL_NO_SRP |
| OPENSSL_free(srp_arg.srppassin); |
| #endif |
| if (vpm) |
| X509_VERIFY_PARAM_free(vpm); |
| 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 |
| unsigned char *exportedkeymat; |
| |
| 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"); |
| |
| /* Redundant if we showed the whole chain */ |
| if (!(c_showcerts && got_a_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, (SSL_cache_hit(s) ? "---\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 |
| |
| #ifdef SSL_DEBUG |
| { |
| /* Print out local port of connection: useful for debugging */ |
| int sock; |
| struct sockaddr_in ladd; |
| socklen_t ladd_size = sizeof(ladd); |
| sock = SSL_get_fd(s); |
| getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); |
| BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); |
| } |
| #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 |
| |
| #ifndef OPENSSL_NO_SRTP |
| { |
| SRTP_PROTECTION_PROFILE *srtp_profile = |
| SSL_get_selected_srtp_profile(s); |
| |
| if (srtp_profile) |
| BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n", |
| srtp_profile->name); |
| } |
| #endif |
| |
| SSL_SESSION_print(bio, SSL_get_session(s)); |
| if (keymatexportlabel != NULL) { |
| BIO_printf(bio, "Keying material exporter:\n"); |
| BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); |
| BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); |
| exportedkeymat = OPENSSL_malloc(keymatexportlen); |
| if (exportedkeymat != NULL) { |
| if (!SSL_export_keying_material(s, exportedkeymat, |
| keymatexportlen, |
| keymatexportlabel, |
| strlen(keymatexportlabel), |
| NULL, 0, 0)) { |
| BIO_printf(bio, " Error\n"); |
| } else { |
| BIO_printf(bio, " Keying material: "); |
| for (i = 0; i < keymatexportlen; i++) |
| BIO_printf(bio, "%02X", exportedkeymat[i]); |
| BIO_printf(bio, "\n"); |
| } |
| OPENSSL_free(exportedkeymat); |
| } |
| } |
| 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 |
