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- /* 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 <ctype.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <errno.h>
- #include <openssl/e_os2.h>
- /*
- * 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 <openssl/async.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
- #define SSL_HOST_NAME "localhost"
- #undef BUFSIZZ
- #define BUFSIZZ 1024*8
- #define S_CLIENT_IRC_READ_TIMEOUT 8
- extern int verify_depth;
- extern int verify_error;
- extern int verify_return_error;
- extern int verify_quiet;
- static char *prog;
- static int async = 0;
- static int c_nbio = 0;
- static int c_tlsextdebug = 0;
- static int c_status_req = 0;
- static int c_debug = 0;
- static int c_msg = 0;
- static int c_showcerts = 0;
- static char *keymatexportlabel = NULL;
- static int keymatexportlen = 20;
- static BIO *bio_c_out = NULL;
- static BIO *bio_c_msg = NULL;
- static int c_quiet = 0;
- static int c_ign_eof = 0;
- static int c_brief = 0;
- static void print_stuff(BIO *berr, SSL *con, int full);
- static int ocsp_resp_cb(SSL *s, void *arg);
- static int saved_errno;
- static void save_errno(void)
- {
- saved_errno = errno;
- errno = 0;
- }
- static int restore_errno(void)
- {
- int ret = errno;
- errno = saved_errno;
- return ret;
- }
- #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);
- 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
- /* This is a context that we pass to callbacks */
- typedef struct tlsextctx_st {
- BIO *biodebug;
- int ack;
- } tlsextctx;
- static int 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(const BIGNUM *N, const 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;
- BN_free(r);
- BN_free(p);
- 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 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)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
- 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 *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
- {
- SRP_ARG *srp_arg = (SRP_ARG *)arg;
- char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
- PW_CB_DATA cb_tmp;
- int l;
- 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
- static char *srtp_profiles = NULL;
- #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 */
- static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
- const unsigned char *in, size_t inlen,
- int *al, void *arg)
- {
- char pem_name[100];
- unsigned char ext_buf[4 + 65536];
- /* Reconstruct the type/len fields prior to extension data */
- ext_buf[0] = ext_type >> 8;
- ext_buf[1] = ext_type & 0xFF;
- ext_buf[2] = inlen >> 8;
- ext_buf[3] = inlen & 0xFF;
- memcpy(ext_buf + 4, in, inlen);
- BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
- ext_type);
- PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
- return 1;
- }
- /*
- * Hex decoder that tolerates optional whitespace. Returns number of bytes
- * produced, advances inptr to end of input string.
- */
- static ossl_ssize_t hexdecode(const char **inptr, void *result)
- {
- unsigned char **out = (unsigned char **)result;
- const char *in = *inptr;
- unsigned char *ret = OPENSSL_malloc(strlen(in)/2);
- unsigned char *cp = ret;
- uint8_t byte;
- int nibble = 0;
- if (ret == NULL)
- return -1;
- for (byte = 0; *in; ++in) {
- char c;
- if (isspace(*in))
- continue;
- c = tolower(*in);
- if ('0' <= c && c <= '9') {
- byte |= c - '0';
- } else if ('a' <= c && c <= 'f') {
- byte |= c - 'a' + 10;
- } else {
- OPENSSL_free(ret);
- return 0;
- }
- if ((nibble ^= 1) == 0) {
- *cp++ = byte;
- byte = 0;
- } else {
- byte <<= 4;
- }
- }
- if (nibble != 0) {
- OPENSSL_free(ret);
- return 0;
- }
- *inptr = in;
- return cp - (*out = ret);
- }
- /*
- * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
- * inptr to next field skipping leading whitespace.
- */
- static ossl_ssize_t checked_uint8(const char **inptr, void *out)
- {
- uint8_t *result = (uint8_t *)out;
- const char *in = *inptr;
- char *endp;
- long v;
- int e;
- save_errno();
- v = strtol(in, &endp, 10);
- e = restore_errno();
- if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
- endp == in || !isspace(*endp) ||
- v != (*result = (uint8_t) v)) {
- return -1;
- }
- for (in = endp; isspace(*in); ++in)
- continue;
- *inptr = in;
- return 1;
- }
- struct tlsa_field {
- void *var;
- const char *name;
- ossl_ssize_t (*parser)(const char **, void *);
- };
- static int tlsa_import_rr(SSL *con, const char *rrdata)
- {
- /* Not necessary to re-init these values; the "parsers" do that. */
- static uint8_t usage;
- static uint8_t selector;
- static uint8_t mtype;
- static unsigned char *data;
- static struct tlsa_field tlsa_fields[] = {
- { &usage, "usage", checked_uint8 },
- { &selector, "selector", checked_uint8 },
- { &mtype, "mtype", checked_uint8 },
- { &data, "data", hexdecode },
- { NULL, }
- };
- struct tlsa_field *f;
- int ret;
- const char *cp = rrdata;
- ossl_ssize_t len = 0;
- for (f = tlsa_fields; f->var; ++f) {
- /* Returns number of bytes produced, advances cp to next field */
- if ((len = f->parser(&cp, f->var)) <= 0) {
- BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
- prog, f->name, rrdata);
- return 0;
- }
- }
- /* The data field is last, so len is its length */
- ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
- OPENSSL_free(data);
- if (ret == 0) {
- ERR_print_errors(bio_err);
- BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
- prog, rrdata);
- return 0;
- }
- if (ret < 0) {
- ERR_print_errors(bio_err);
- BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
- prog, rrdata);
- return 0;
- }
- return ret;
- }
- static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
- {
- int num = sk_OPENSSL_STRING_num(rrset);
- int count = 0;
- int i;
- for (i = 0; i < num; ++i) {
- char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
- if (tlsa_import_rr(con, rrdata) > 0)
- ++count;
- }
- return count > 0;
- }
- typedef enum OPTION_choice {
- OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
- OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX, OPT_XMPPHOST, OPT_VERIFY,
- OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
- OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
- OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
- OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
- OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
- OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
- OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
- OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
- OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3, OPT_SSL_CONFIG,
- OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
- OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
- OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
- OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
- OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
- OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_JPAKE,
- OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
- OPT_ASYNC,
- OPT_V_ENUM,
- OPT_X_ENUM,
- OPT_S_ENUM,
- OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
- OPT_DANE_TLSA_RRDATA
- } OPTION_CHOICE;
- OPTIONS s_client_options[] = {
- {"help", OPT_HELP, '-', "Display this summary"},
- {"host", OPT_HOST, 's', "Use -connect instead"},
- {"port", OPT_PORT, 'p', "Use -connect instead"},
- {"connect", OPT_CONNECT, 's',
- "TCP/IP where to connect (default is " SSL_HOST_NAME ":" PORT_STR ")"},
- {"proxy", OPT_PROXY, 's',
- "Connect to via specified proxy to the real server"},
- {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
- {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
- {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
- {"certform", OPT_CERTFORM, 'F',
- "Certificate format (PEM or DER) PEM default"},
- {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
- {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
- {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
- {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
- {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
- {"no-CAfile", OPT_NOCAFILE, '-',
- "Do not load the default certificates file"},
- {"no-CApath", OPT_NOCAPATH, '-',
- "Do not load certificates from the default certificates directory"},
- {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
- {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
- "DANE TLSA rrdata presentation form"},
- {"reconnect", OPT_RECONNECT, '-',
- "Drop and re-make the connection with the same Session-ID"},
- {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
- {"debug", OPT_DEBUG, '-', "Extra output"},
- {"msg", OPT_MSG, '-', "Show protocol messages"},
- {"msgfile", OPT_MSGFILE, '>'},
- {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
- {"state", OPT_STATE, '-', "Print the ssl states"},
- {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
- {"quiet", OPT_QUIET, '-', "No s_client output"},
- {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
- {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
- {"starttls", OPT_STARTTLS, 's',
- "Use the appropriate STARTTLS command before starting TLS"},
- {"xmpphost", OPT_XMPPHOST, 's',
- "Host to use with \"-starttls xmpp[-server]\""},
- {"rand", OPT_RAND, 's',
- "Load the file(s) into the random number generator"},
- {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
- {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
- {"use_srtp", OPT_USE_SRTP, 's',
- "Offer SRTP key management with a colon-separated profile list"},
- {"keymatexport", OPT_KEYMATEXPORT, 's',
- "Export keying material using label"},
- {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
- "Export len bytes of keying material (default 20)"},
- {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
- {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
- {"CRL", OPT_CRL, '<'},
- {"crl_download", OPT_CRL_DOWNLOAD, '-'},
- {"CRLform", OPT_CRLFORM, 'F'},
- {"verify_return_error", OPT_VERIFY_RET_ERROR, '-'},
- {"verify_quiet", OPT_VERIFY_QUIET, '-'},
- {"brief", OPT_BRIEF, '-'},
- {"prexit", OPT_PREXIT, '-'},
- {"security_debug", OPT_SECURITY_DEBUG, '-'},
- {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-'},
- {"cert_chain", OPT_CERT_CHAIN, '<'},
- {"chainCApath", OPT_CHAINCAPATH, '/'},
- {"verifyCApath", OPT_VERIFYCAPATH, '/'},
- {"build_chain", OPT_BUILD_CHAIN, '-'},
- {"chainCAfile", OPT_CHAINCAFILE, '<'},
- {"verifyCAfile", OPT_VERIFYCAFILE, '<'},
- {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
- {"servername", OPT_SERVERNAME, 's',
- "Set TLS extension servername in ClientHello"},
- {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
- "Hex dump of all TLS extensions received"},
- {"status", OPT_STATUS, '-', "Request certificate status from server"},
- {"serverinfo", OPT_SERVERINFO, 's',
- "types Send empty ClientHello extensions (comma-separated numbers)"},
- {"alpn", OPT_ALPN, 's',
- "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
- {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
- {"ssl_config", OPT_SSL_CONFIG, 's'},
- OPT_S_OPTIONS,
- OPT_V_OPTIONS,
- OPT_X_OPTIONS,
- #ifndef OPENSSL_NO_SSL3
- {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
- #endif
- #ifndef OPENSSL_NO_TLS1
- {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
- #endif
- #ifndef OPENSSL_NO_TLS1_1
- {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
- #endif
- #ifndef OPENSSL_NO_TLS1_2
- {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
- #endif
- #ifndef OPENSSL_NO_DTLS
- {"dtls", OPT_DTLS, '-'},
- {"timeout", OPT_TIMEOUT, '-'},
- {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
- #endif
- #ifndef OPENSSL_NO_DTLS1
- {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
- #endif
- #ifndef OPENSSL_NO_DTLS1_2
- {"dtls1_2", OPT_DTLS1_2, '-'},
- #endif
- #ifndef OPENSSL_NO_SSL_TRACE
- {"trace", OPT_TRACE, '-'},
- #endif
- #ifdef WATT32
- {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
- #endif
- #ifdef FIONBIO
- {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
- #endif
- #ifndef OPENSSL_NO_PSK
- {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
- {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
- # ifndef OPENSSL_NO_JPAKE
- {"jpake", OPT_JPAKE, 's', "JPAKE secret to use"},
- # endif
- #endif
- #ifndef OPENSSL_NO_SRP
- {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
- {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
- {"srp_lateuser", OPT_SRP_LATEUSER, '-',
- "SRP username into second ClientHello message"},
- {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
- "Tolerate other than the known g N values."},
- {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
- #endif
- #ifndef OPENSSL_NO_NEXTPROTONEG
- {"nextprotoneg", OPT_NEXTPROTONEG, 's',
- "Enable NPN extension, considering named protocols supported (comma-separated list)"},
- #endif
- #ifndef OPENSSL_NO_ENGINE
- {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
- {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's'},
- #endif
- {NULL}
- };
- typedef enum PROTOCOL_choice {
- PROTO_OFF,
- PROTO_SMTP,
- PROTO_POP3,
- PROTO_IMAP,
- PROTO_FTP,
- PROTO_TELNET,
- PROTO_XMPP,
- PROTO_XMPP_SERVER,
- PROTO_CONNECT,
- PROTO_IRC
- } PROTOCOL_CHOICE;
- static OPT_PAIR services[] = {
- {"smtp", PROTO_SMTP},
- {"pop3", PROTO_POP3},
- {"imap", PROTO_IMAP},
- {"ftp", PROTO_FTP},
- {"xmpp", PROTO_XMPP},
- {"xmpp-server", PROTO_XMPP_SERVER},
- {"telnet", PROTO_TELNET},
- {"irc", PROTO_IRC},
- {NULL}
- };
- int s_client_main(int argc, char **argv)
- {
- BIO *sbio;
- EVP_PKEY *key = NULL;
- SSL *con = NULL;
- SSL_CTX *ctx = NULL;
- STACK_OF(X509) *chain = NULL;
- X509 *cert = NULL;
- X509_VERIFY_PARAM *vpm = NULL;
- SSL_EXCERT *exc = NULL;
- SSL_CONF_CTX *cctx = NULL;
- STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
- char *dane_tlsa_domain = NULL;
- STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
- STACK_OF(X509_CRL) *crls = NULL;
- const SSL_METHOD *meth = TLS_client_method();
- char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
- char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
- char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
- char *chCApath = NULL, *chCAfile = NULL, *host = SSL_HOST_NAME;
- char *inrand = NULL;
- char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
- char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
- char *jpake_secret = NULL, *xmpphost = NULL;
- const char *unix_path = NULL;
- const char *ehlo = "mail.example.com";
- struct sockaddr peer;
- struct timeval timeout, *timeoutp;
- fd_set readfds, writefds;
- int noCApath = 0, noCAfile = 0;
- int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
- int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
- int prexit = 0;
- int enable_timeouts = 0, sdebug = 0, peerlen = sizeof peer;
- int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
- int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
- int sbuf_len, sbuf_off, socket_type = SOCK_STREAM, cmdletters = 1;
- int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
- int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
- int fallback_scsv = 0;
- long socket_mtu = 0, randamt = 0;
- unsigned short port = PORT;
- OPTION_CHOICE o;
- #ifndef OPENSSL_NO_ENGINE
- ENGINE *ssl_client_engine = NULL;
- #endif
- ENGINE *e = NULL;
- #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
- struct timeval tv;
- #endif
- char *servername = NULL;
- const char *alpn_in = NULL;
- tlsextctx tlsextcbp = { NULL, 0 };
- const char *ssl_config = NULL;
- #define MAX_SI_TYPES 100
- unsigned short serverinfo_types[MAX_SI_TYPES];
- int serverinfo_count = 0, start = 0, len;
- #ifndef OPENSSL_NO_NEXTPROTONEG
- const char *next_proto_neg_in = NULL;
- #endif
- #ifndef OPENSSL_NO_SRP
- char *srppass = NULL;
- int srp_lateuser = 0;
- SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
- #endif
- prog = opt_progname(argv[0]);
- c_quiet = 0;
- c_ign_eof = 0;
- c_debug = 0;
- c_msg = 0;
- c_showcerts = 0;
- c_nbio = 0;
- verify_depth = 0;
- verify_error = X509_V_OK;
- vpm = X509_VERIFY_PARAM_new();
- cbuf = app_malloc(BUFSIZZ, "cbuf");
- sbuf = app_malloc(BUFSIZZ, "sbuf");
- mbuf = app_malloc(BUFSIZZ, "mbuf");
- cctx = SSL_CONF_CTX_new();
- if (vpm == NULL || cctx == NULL) {
- BIO_printf(bio_err, "%s: out of memory\n", prog);
- goto end;
- }
- SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
- prog = opt_init(argc, argv, s_client_options);
- while ((o = opt_next()) != OPT_EOF) {
- switch (o) {
- case OPT_EOF:
- case OPT_ERR:
- opthelp:
- BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
- goto end;
- case OPT_HELP:
- opt_help(s_client_options);
- ret = 0;
- goto end;
- case OPT_HOST:
- host = opt_arg();
- break;
- case OPT_PORT:
- port = atoi(opt_arg());
- break;
- case OPT_CONNECT:
- connectstr = opt_arg();
- break;
- case OPT_PROXY:
- proxystr = opt_arg();
- starttls_proto = PROTO_CONNECT;
- break;
- case OPT_UNIX:
- unix_path = opt_arg();
- break;
- case OPT_XMPPHOST:
- xmpphost = opt_arg();
- break;
- case OPT_SMTPHOST:
- ehlo = opt_arg();
- break;
- case OPT_VERIFY:
- verify = SSL_VERIFY_PEER;
- verify_depth = atoi(opt_arg());
- if (!c_quiet)
- BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
- break;
- case OPT_CERT:
- cert_file = opt_arg();
- break;
- case OPT_CRL:
- crl_file = opt_arg();
- break;
- case OPT_CRL_DOWNLOAD:
- crl_download = 1;
- break;
- case OPT_SESS_OUT:
- sess_out = opt_arg();
- break;
- case OPT_SESS_IN:
- sess_in = opt_arg();
- break;
- case OPT_CERTFORM:
- if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
- goto opthelp;
- break;
- case OPT_CRLFORM:
- if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
- goto opthelp;
- break;
- case OPT_VERIFY_RET_ERROR:
- verify_return_error = 1;
- break;
- case OPT_VERIFY_QUIET:
- verify_quiet = 1;
- break;
- case OPT_BRIEF:
- c_brief = verify_quiet = c_quiet = 1;
- break;
- case OPT_S_CASES:
- if (ssl_args == NULL)
- ssl_args = sk_OPENSSL_STRING_new_null();
- if (ssl_args == NULL
- || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
- || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
- BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
- goto end;
- }
- break;
- case OPT_V_CASES:
- if (!opt_verify(o, vpm))
- goto end;
- vpmtouched++;
- break;
- case OPT_X_CASES:
- if (!args_excert(o, &exc))
- goto end;
- break;
- case OPT_PREXIT:
- prexit = 1;
- break;
- case OPT_CRLF:
- crlf = 1;
- break;
- case OPT_QUIET:
- c_quiet = c_ign_eof = 1;
- break;
- case OPT_NBIO:
- c_nbio = 1;
- break;
- case OPT_NOCMDS:
- cmdletters = 0;
- break;
- case OPT_ENGINE:
- e = setup_engine(opt_arg(), 1);
- break;
- case OPT_SSL_CLIENT_ENGINE:
- #ifndef OPENSSL_NO_ENGINE
- ssl_client_engine = ENGINE_by_id(opt_arg());
- if (ssl_client_engine == NULL) {
- BIO_printf(bio_err, "Error getting client auth engine\n");
- goto opthelp;
- }
- break;
- #endif
- break;
- case OPT_RAND:
- inrand = opt_arg();
- break;
- case OPT_IGN_EOF:
- c_ign_eof = 1;
- break;
- case OPT_NO_IGN_EOF:
- c_ign_eof = 0;
- break;
- case OPT_DEBUG:
- c_debug = 1;
- break;
- case OPT_TLSEXTDEBUG:
- c_tlsextdebug = 1;
- break;
- case OPT_STATUS:
- c_status_req = 1;
- break;
- case OPT_WDEBUG:
- #ifdef WATT32
- dbug_init();
- #endif
- break;
- case OPT_MSG:
- c_msg = 1;
- break;
- case OPT_MSGFILE:
- bio_c_msg = BIO_new_file(opt_arg(), "w");
- break;
- case OPT_TRACE:
- #ifndef OPENSSL_NO_SSL_TRACE
- c_msg = 2;
- #endif
- break;
- case OPT_SECURITY_DEBUG:
- sdebug = 1;
- break;
- case OPT_SECURITY_DEBUG_VERBOSE:
- sdebug = 2;
- break;
- case OPT_SHOWCERTS:
- c_showcerts = 1;
- break;
- case OPT_NBIO_TEST:
- nbio_test = 1;
- break;
- case OPT_STATE:
- state = 1;
- break;
- #ifndef OPENSSL_NO_PSK
- case OPT_PSK_IDENTITY:
- psk_identity = opt_arg();
- break;
- case OPT_PSK:
- for (p = psk_key = opt_arg(); *p; p++) {
- if (isxdigit(*p))
- continue;
- BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
- goto end;
- }
- break;
- #else
- case OPT_PSK_IDENTITY:
- case OPT_PSK:
- break;
- #endif
- #ifndef OPENSSL_NO_SRP
- case OPT_SRPUSER:
- srp_arg.srplogin = opt_arg();
- meth = TLSv1_client_method();
- break;
- case OPT_SRPPASS:
- srppass = opt_arg();
- meth = TLSv1_client_method();
- break;
- case OPT_SRP_STRENGTH:
- srp_arg.strength = atoi(opt_arg());
- BIO_printf(bio_err, "SRP minimal length for N is %d\n",
- srp_arg.strength);
- meth = TLSv1_client_method();
- break;
- case OPT_SRP_LATEUSER:
- srp_lateuser = 1;
- meth = TLSv1_client_method();
- break;
- case OPT_SRP_MOREGROUPS:
- srp_arg.amp = 1;
- meth = TLSv1_client_method();
- break;
- #else
- case OPT_SRPUSER:
- case OPT_SRPPASS:
- case OPT_SRP_STRENGTH:
- case OPT_SRP_LATEUSER:
- case OPT_SRP_MOREGROUPS:
- break;
- #endif
- case OPT_SSL_CONFIG:
- ssl_config = opt_arg();
- break;
- case OPT_SSL3:
- #ifndef OPENSSL_NO_SSL3
- meth = SSLv3_client_method();
- #endif
- break;
- case OPT_TLS1_2:
- #ifndef OPENSSL_NO_TLS1_2
- meth = TLSv1_2_client_method();
- #endif
- break;
- case OPT_TLS1_1:
- #ifndef OPENSSL_NO_TLS1_1
- meth = TLSv1_1_client_method();
- #endif
- break;
- case OPT_TLS1:
- #ifndef OPENSSL_NO_TLS1
- meth = TLSv1_client_method();
- #endif
- break;
- case OPT_DTLS:
- #ifndef OPENSSL_NO_DTLS
- meth = DTLS_client_method();
- socket_type = SOCK_DGRAM;
- #endif
- break;
- case OPT_DTLS1:
- #ifndef OPENSSL_NO_DTLS1
- meth = DTLSv1_client_method();
- socket_type = SOCK_DGRAM;
- #endif
- break;
- case OPT_DTLS1_2:
- #ifndef OPENSSL_NO_DTLS1_2
- meth = DTLSv1_2_client_method();
- socket_type = SOCK_DGRAM;
- #endif
- break;
- case OPT_TIMEOUT:
- #ifndef OPENSSL_NO_DTLS
- enable_timeouts = 1;
- #endif
- break;
- case OPT_MTU:
- #ifndef OPENSSL_NO_DTLS
- socket_mtu = atol(opt_arg());
- #endif
- break;
- case OPT_FALLBACKSCSV:
- fallback_scsv = 1;
- break;
- case OPT_KEYFORM:
- if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
- goto opthelp;
- break;
- case OPT_PASS:
- passarg = opt_arg();
- break;
- case OPT_CERT_CHAIN:
- chain_file = opt_arg();
- break;
- case OPT_KEY:
- key_file = opt_arg();
- break;
- case OPT_RECONNECT:
- reconnect = 5;
- break;
- case OPT_CAPATH:
- CApath = opt_arg();
- break;
- case OPT_NOCAPATH:
- noCApath = 1;
- break;
- case OPT_CHAINCAPATH:
- chCApath = opt_arg();
- break;
- case OPT_VERIFYCAPATH:
- vfyCApath = opt_arg();
- break;
- case OPT_BUILD_CHAIN:
- build_chain = 1;
- break;
- case OPT_CAFILE:
- CAfile = opt_arg();
- break;
- case OPT_NOCAFILE:
- noCAfile = 1;
- break;
- case OPT_CHAINCAFILE:
- chCAfile = opt_arg();
- break;
- case OPT_VERIFYCAFILE:
- vfyCAfile = opt_arg();
- break;
- case OPT_DANE_TLSA_DOMAIN:
- dane_tlsa_domain = opt_arg();
- break;
- case OPT_DANE_TLSA_RRDATA:
- if (dane_tlsa_rrset == NULL)
- dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
- if (dane_tlsa_rrset == NULL ||
- !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
- BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
- goto end;
- }
- break;
- case OPT_NEXTPROTONEG:
- next_proto_neg_in = opt_arg();
- break;
- case OPT_ALPN:
- alpn_in = opt_arg();
- break;
- case OPT_SERVERINFO:
- p = opt_arg();
- len = strlen(p);
- for (start = 0, i = 0; i <= len; ++i) {
- if (i == len || p[i] == ',') {
- serverinfo_types[serverinfo_count] = atoi(p + start);
- if (++serverinfo_count == MAX_SI_TYPES)
- break;
- start = i + 1;
- }
- }
- break;
- case OPT_STARTTLS:
- if (!opt_pair(opt_arg(), services, &starttls_proto))
- goto end;
- case OPT_SERVERNAME:
- servername = opt_arg();
- break;
- case OPT_JPAKE:
- #ifndef OPENSSL_NO_JPAKE
- jpake_secret = opt_arg();
- #endif
- break;
- case OPT_USE_SRTP:
- srtp_profiles = opt_arg();
- break;
- case OPT_KEYMATEXPORT:
- keymatexportlabel = opt_arg();
- break;
- case OPT_KEYMATEXPORTLEN:
- keymatexportlen = atoi(opt_arg());
- break;
- case OPT_ASYNC:
- async = 1;
- break;
- }
- }
- argc = opt_num_rest();
- argv = opt_rest();
- if (proxystr) {
- if (connectstr == NULL) {
- BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
- goto opthelp;
- }
- if (!extract_host_port(proxystr, &host, NULL, &port))
- goto end;
- }
- else if (connectstr != NULL
- && !extract_host_port(connectstr, &host, NULL, &port))
- goto end;
- if (unix_path && (socket_type != SOCK_STREAM)) {
- BIO_printf(bio_err,
- "Can't use unix sockets and datagrams together\n");
- 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";
- }
- #endif
- #if !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
- if (!app_passwd(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(key_file, key_format, 0, pass, e,
- "client certificate private key file");
- if (key == NULL) {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- if (cert_file) {
- cert = load_cert(cert_file, cert_format,
- NULL, e, "client certificate file");
- if (cert == NULL) {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- if (chain_file) {
- chain = load_certs(chain_file, FORMAT_PEM,
- NULL, e, "client certificate chain");
- if (!chain)
- goto end;
- }
- if (crl_file) {
- X509_CRL *crl;
- crl = load_crl(crl_file, crl_format);
- if (crl == NULL) {
- BIO_puts(bio_err, "Error loading CRL\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- crls = sk_X509_CRL_new_null();
- if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
- BIO_puts(bio_err, "Error adding CRL\n");
- ERR_print_errors(bio_err);
- X509_CRL_free(crl);
- goto end;
- }
- }
- if (!load_excert(&exc))
- goto end;
- if (!app_RAND_load_file(NULL, 1) && inrand == NULL
- && !RAND_status()) {
- BIO_printf(bio_err,
- "warning, not much extra random data, consider using the -rand option\n");
- }
- if (inrand != NULL) {
- randamt = app_RAND_load_files(inrand);
- BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
- }
- if (bio_c_out == NULL) {
- if (c_quiet && !c_debug) {
- bio_c_out = BIO_new(BIO_s_null());
- if (c_msg && !bio_c_msg)
- bio_c_msg = dup_bio_out(FORMAT_TEXT);
- } else if (bio_c_out == NULL)
- bio_c_out = dup_bio_out(FORMAT_TEXT);
- }
- #ifndef OPENSSL_NO_SRP
- if (!app_passwd(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 (sdebug)
- ssl_ctx_security_debug(ctx, sdebug);
- if (ssl_config) {
- if (SSL_CTX_config(ctx, ssl_config) == 0) {
- BIO_printf(bio_err, "Error using configuration \"%s\"\n",
- ssl_config);
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
- BIO_printf(bio_err, "Error setting verify params\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- if (async) {
- SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
- ASYNC_init(1, 0, 0);
- }
- if (!config_ctx(cctx, ssl_args, ctx, jpake_secret == NULL))
- goto end;
- if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
- crls, crl_download)) {
- BIO_printf(bio_err, "Error loading store locations\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- #ifndef OPENSSL_NO_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
- if (psk_key != NULL || jpake_secret) {
- 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) {
- /* Returns 0 on success! */
- if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
- BIO_printf(bio_err, "Error setting SRTP profile\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- #endif
- if (exc)
- ssl_ctx_set_excert(ctx, exc);
- #if !defined(OPENSSL_NO_NEXTPROTONEG)
- if (next_proto.data)
- SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
- #endif
- if (alpn_in) {
- unsigned short alpn_len;
- unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
- if (alpn == NULL) {
- BIO_printf(bio_err, "Error parsing -alpn argument\n");
- goto end;
- }
- /* Returns 0 on success! */
- if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
- BIO_printf(bio_err, "Error setting ALPN\n");
- goto end;
- }
- OPENSSL_free(alpn);
- }
- for (i = 0; i < serverinfo_count; i++) {
- if (!SSL_CTX_add_client_custom_ext(ctx,
- serverinfo_types[i],
- NULL, NULL, NULL,
- serverinfo_cli_parse_cb, NULL)) {
- BIO_printf(bio_err,
- "Warning: Unable to add custom extension %u, skipping\n",
- serverinfo_types[i]);
- }
- }
- if (state)
- SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
- SSL_CTX_set_verify(ctx, verify, verify_callback);
- if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
- ERR_print_errors(bio_err);
- goto end;
- }
- ssl_ctx_add_crls(ctx, crls, crl_download);
- if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
- goto end;
- 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
- if (dane_tlsa_domain != NULL) {
- if (SSL_CTX_dane_enable(ctx) <= 0) {
- BIO_printf(bio_err,
- "%s: Error enabling DANE TLSA authentication.\n", prog);
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- 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;
- }
- if (!SSL_set_session(con, sess)) {
- BIO_printf(bio_err, "Can't set session\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- SSL_SESSION_free(sess);
- }
- if (fallback_scsv)
- SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
- 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;
- }
- }
- if (dane_tlsa_domain != NULL) {
- if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
- BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
- "authentication.\n", prog);
- ERR_print_errors(bio_err);
- goto end;
- }
- if (dane_tlsa_rrset == NULL) {
- BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
- "least one -dane_tlsa_rrset option.\n", prog);
- goto end;
- }
- if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
- BIO_printf(bio_err, "%s: Failed to import any TLSA "
- "records.\n", prog);
- goto end;
- }
- } else if (dane_tlsa_rrset != NULL) {
- BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
- "-dane_tlsa_domain option.\n", prog);
- goto end;
- }
- re_start:
- #ifdef NO_SYS_UN_H
- if (init_client(&s, host, port, socket_type) == 0)
- #else
- if ((!unix_path && (init_client(&s, host, port, socket_type) == 0)) ||
- (unix_path && (init_client_unix(&s, unix_path) == 0)))
- #endif
- {
- 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 (socket_type == SOCK_DGRAM) {
- 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, &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) {
- BIO_set_callback(sbio, bio_dump_callback);
- BIO_set_callback_arg(sbio, (char *)bio_c_out);
- }
- if (c_msg) {
- #ifndef OPENSSL_NO_SSL_TRACE
- if (c_msg == 2)
- SSL_set_msg_callback(con, SSL_trace);
- else
- #endif
- SSL_set_msg_callback(con, msg_cb);
- SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
- }
- 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);
- }
- #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;
- switch ((PROTOCOL_CHOICE) starttls_proto) {
- case PROTO_OFF:
- break;
- case PROTO_SMTP:
- {
- /*
- * 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.
- */
- 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] == '-');
- BIO_printf(fbio, "EHLO %s\r\n", ehlo);
- (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 find starttls in server response,"
- " trying anyway...\n");
- BIO_printf(sbio, "STARTTLS\r\n");
- BIO_read(sbio, sbuf, BUFSIZZ);
- }
- break;
- case PROTO_POP3:
- {
- BIO_read(sbio, mbuf, BUFSIZZ);
- BIO_printf(sbio, "STLS\r\n");
- mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
- if (mbuf_len < 0) {
- BIO_printf(bio_err, "BIO_read failed\n");
- goto end;
- }
- }
- break;
- case 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 find STARTTLS in server response,"
- " trying anyway...\n");
- BIO_printf(sbio, ". STARTTLS\r\n");
- BIO_read(sbio, sbuf, BUFSIZZ);
- }
- break;
- case 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);
- }
- break;
- case PROTO_XMPP:
- case PROTO_XMPP_SERVER:
- {
- int seen = 0;
- BIO_printf(sbio, "<stream:stream "
- "xmlns:stream='http://etherx.jabber.org/streams' "
- "xmlns='jabber:%s' to='%s' version='1.0'>",
- starttls_proto == PROTO_XMPP ? "client" : "server",
- xmpphost ? xmpphost : host);
- seen = BIO_read(sbio, mbuf, BUFSIZZ);
- mbuf[seen] = 0;
- while (!strstr
- (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
- && !strstr(mbuf,
- "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
- {
- seen = BIO_read(sbio, mbuf, BUFSIZZ);
- if (seen <= 0)
- goto shut;
- 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;
- }
- break;
- case PROTO_TELNET:
- {
- static const unsigned char tls_do[] = {
- /* IAC DO START_TLS */
- 255, 253, 46
- };
- static const unsigned char tls_will[] = {
- /* IAC WILL START_TLS */
- 255, 251, 46
- };
- static const unsigned char tls_follows[] = {
- /* IAC SB START_TLS FOLLOWS IAC SE */
- 255, 250, 46, 1, 255, 240
- };
- int bytes;
- /* Telnet server should demand we issue START_TLS */
- bytes = BIO_read(sbio, mbuf, BUFSIZZ);
- if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
- goto shut;
- /* Agree to issue START_TLS and send the FOLLOWS sub-command */
- BIO_write(sbio, tls_will, 3);
- BIO_write(sbio, tls_follows, 6);
- (void)BIO_flush(sbio);
- /* Telnet server also sent the FOLLOWS sub-command */
- bytes = BIO_read(sbio, mbuf, BUFSIZZ);
- if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
- goto shut;
- }
- break;
- case PROTO_CONNECT:
- {
- int foundit = 0;
- BIO *fbio = BIO_new(BIO_f_buffer());
- BIO_push(fbio, sbio);
- BIO_printf(fbio, "CONNECT %s\r\n\r\n", connectstr);
- (void)BIO_flush(fbio);
- /* wait for multi-line response to end CONNECT response */
- do {
- mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
- if (strstr(mbuf, "200") != NULL
- && strstr(mbuf, "established") != NULL)
- foundit++;
- } while (mbuf_len > 3 && foundit == 0);
- (void)BIO_flush(fbio);
- BIO_pop(fbio);
- BIO_free(fbio);
- if (!foundit) {
- BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
- goto shut;
- }
- }
- break;
- case PROTO_IRC:
- {
- int numeric;
- BIO *fbio = BIO_new(BIO_f_buffer());
- BIO_push(fbio, sbio);
- BIO_printf(fbio, "STARTTLS\r\n");
- (void)BIO_flush(fbio);
- width = SSL_get_fd(con) + 1;
- do {
- numeric = 0;
- FD_ZERO(&readfds);
- openssl_fdset(SSL_get_fd(con), &readfds);
- timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
- timeout.tv_usec = 0;
- /*
- * If the IRCd doesn't respond within
- * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
- * it doesn't support STARTTLS. Many IRCds
- * will not give _any_ sort of response to a
- * STARTTLS command when it's not supported.
- */
- if (!BIO_get_buffer_num_lines(fbio)
- && !BIO_pending(fbio)
- && !BIO_pending(sbio)
- && select(width, (void *)&readfds, NULL, NULL,
- &timeout) < 1) {
- BIO_printf(bio_err,
- "Timeout waiting for response (%d seconds).\n",
- S_CLIENT_IRC_READ_TIMEOUT);
- break;
- }
- mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
- if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
- break;
- /* :example.net 451 STARTTLS :You have not registered */
- /* :example.net 421 STARTTLS :Unknown command */
- if ((numeric == 451 || numeric == 421)
- && strstr(mbuf, "STARTTLS") != NULL) {
- BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
- break;
- }
- if (numeric == 691) {
- BIO_printf(bio_err, "STARTTLS negotiation failed: ");
- ERR_print_errors(bio_err);
- break;
- }
- } while (numeric != 670);
- (void)BIO_flush(fbio);
- BIO_pop(fbio);
- BIO_free(fbio);
- if (numeric != 670) {
- BIO_printf(bio_err, "Server does not support STARTTLS.\n");
- ret = 1;
- goto shut;
- }
- }
- }
- 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 (servername != NULL && !SSL_session_reused(con)) {
- BIO_printf(bio_c_out,
- "Server did %sacknowledge servername extension.\n",
- tlsextcbp.ack ? "" : "not ");
- }
- 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);
- }
- if (c_brief) {
- BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
- print_ssl_summary(con);
- }
- print_stuff(bio_c_out, con, full_log);
- if (full_log > 0)
- full_log--;
- if (starttls_proto) {
- BIO_write(bio_err, mbuf, mbuf_len);
- /* We don't need to know any more */
- if (!reconnect)
- 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)
- 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
- /*
- * 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);
- }
- #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 occurred\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_ASYNC:
- BIO_printf(bio_c_out, "write A BLOCK\n");
- wait_for_async(con);
- 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)
- /* 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
- k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
- 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_ASYNC:
- BIO_printf(bio_c_out, "read A BLOCK\n");
- wait_for_async(con);
- write_tty = 0;
- read_ssl = 1;
- if ((read_tty == 0) && (write_ssl == 0))
- write_ssl = 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();
- if (c_brief)
- BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
- else
- 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())
- #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' && cmdletters))) {
- BIO_printf(bio_err, "DONE\n");
- ret = 0;
- goto shut;
- }
- if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
- BIO_printf(bio_err, "RENEGOTIATING\n");
- SSL_renegotiate(con);
- cbuf_len = 0;
- }
- #ifndef OPENSSL_NO_HEARTBEATS
- else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
- 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 (async) {
- ASYNC_cleanup(1);
- }
- #if !defined(OPENSSL_NO_NEXTPROTONEG)
- OPENSSL_free(next_proto.data);
- #endif
- SSL_CTX_free(ctx);
- X509_free(cert);
- sk_X509_CRL_pop_free(crls, X509_CRL_free);
- EVP_PKEY_free(key);
- sk_X509_pop_free(chain, X509_free);
- OPENSSL_free(pass);
- #ifndef OPENSSL_NO_SRP
- OPENSSL_free(srp_arg.srppassin);
- #endif
- X509_VERIFY_PARAM_free(vpm);
- ssl_excert_free(exc);
- sk_OPENSSL_STRING_free(ssl_args);
- sk_OPENSSL_STRING_free(dane_tlsa_rrset);
- SSL_CONF_CTX_free(cctx);
- OPENSSL_clear_free(cbuf, BUFSIZZ);
- OPENSSL_clear_free(sbuf, BUFSIZZ);
- OPENSSL_clear_free(mbuf, BUFSIZZ);
- BIO_free(bio_c_out);
- bio_c_out = NULL;
- BIO_free(bio_c_msg);
- bio_c_msg = NULL;
- return (ret);
- }
- static void print_stuff(BIO *bio, SSL *s, int full)
- {
- X509 *peer = NULL;
- char buf[BUFSIZ];
- STACK_OF(X509) *sk;
- STACK_OF(X509_NAME) *sk2;
- const SSL_CIPHER *c;
- X509_NAME *xn;
- int i;
- int mdpth;
- EVP_PKEY *mspki;
- const char *peername;
- #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;
- 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");
- }
- ssl_print_sigalgs(bio, s);
- ssl_print_tmp_key(bio, s);
- BIO_printf(bio,
- "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
- BIO_number_read(SSL_get_rbio(s)),
- BIO_number_written(SSL_get_wbio(s)));
- }
- if ((mdpth = SSL_get0_dane_authority(s, NULL, &mspki)) >= 0) {
- uint8_t usage, selector, mtype;
- mdpth = SSL_get0_dane_tlsa(s, &usage, &selector, &mtype, NULL, NULL);
- BIO_printf(bio, "DANE TLSA %d %d %d %s at depth %d\n",
- usage, selector, mtype,
- (mspki != NULL) ? "TA public key verified certificate" :
- mdpth ? "matched TA certificate" : "matched EE certificate",
- mdpth);
- }
- if (SSL_get_verify_result(s) == X509_V_OK &&
- (peername = SSL_get0_peername(s)) != NULL)
- BIO_printf(bio, "Verified peername: %s\n", peername);
- 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_get0_pubkey(peer);
- BIO_printf(bio, "Server public key is %d bit\n",
- EVP_PKEY_bits(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_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
- {
- const unsigned char *proto;
- unsigned int proto_len;
- SSL_get0_alpn_selected(s, &proto, &proto_len);
- if (proto_len > 0) {
- BIO_printf(bio, "ALPN protocol: ");
- BIO_write(bio, proto, proto_len);
- BIO_write(bio, "\n", 1);
- } else
- BIO_printf(bio, "No ALPN negotiated\n");
- }
- #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 = app_malloc(keymatexportlen, "export key");
- 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");
- X509_free(peer);
- /* flush, or debugging output gets mixed with http response */
- (void)BIO_flush(bio);
- }
- 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;
- }
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