/* 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 #include #include #include #include #include #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 #include #include #include #include #include #include #ifndef OPENSSL_NO_SRP #include #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 #endif #undef PROG #define PROG s_client_main /*#define SSL_HOST_NAME "www.netscape.com" */ /*#define SSL_HOST_NAME "193.118.187.102" */ #define SSL_HOST_NAME "localhost" /*#define TEST_CERT "client.pem" */ /* no default cert. */ #undef BUFSIZZ #define BUFSIZZ 1024*8 extern int verify_depth; extern int verify_error; extern int verify_return_error; #ifdef FIONBIO static int c_nbio=0; #endif static int c_Pause=0; static int c_debug=0; #ifndef OPENSSL_NO_TLSEXT static int c_tlsextdebug=0; static int c_status_req=0; #endif static int c_msg=0; static int c_showcerts=0; static 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," -cert arg - certificate file to use, PEM format assumed\n"); BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n"); BIO_printf(bio_err," not specified but cert file is.\n"); BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n"); BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n"); BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); BIO_printf(bio_err," -showcerts - show all certificates in the chain\n"); BIO_printf(bio_err," -debug - extra output\n"); #ifdef WATT32 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n"); #endif BIO_printf(bio_err," -msg - Show protocol messages\n"); BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n"); BIO_printf(bio_err," -state - print the 'ssl' states\n"); #ifdef FIONBIO BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); #endif BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); BIO_printf(bio_err," -quiet - no s_client output\n"); BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n"); BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n"); #ifndef OPENSSL_NO_PSK BIO_printf(bio_err," -psk_identity arg - PSK identity\n"); BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); # ifndef OPENSSL_NO_JPAKE BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); # endif #endif #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 mength in bits for N (default %d).\n",SRP_MINIMAL_N); #endif BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); 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," -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; 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 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 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,"-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); /* DTLS: partial reads end up discarding unread UDP bytes :-( * Setting read ahead solves this problem. */ if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) if (next_proto.data) SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); #endif if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); if (cipher != NULL) if(!SSL_CTX_set_cipher_list(ctx,cipher)) { BIO_printf(bio_err,"error setting cipher list\n"); ERR_print_errors(bio_err); goto end; } #if 0 else SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); #endif SSL_CTX_set_verify(ctx,verify,verify_callback); if (!set_cert_key_stuff(ctx,cert,key)) goto end; if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || (!SSL_CTX_set_default_verify_paths(ctx))) { /* BIO_printf(bio_err,"error setting default verify locations\n"); */ ERR_print_errors(bio_err); /* goto end; */ } #ifndef OPENSSL_NO_TLSEXT if (servername != NULL) { tlsextcbp.biodebug = bio_err; SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); } #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); } #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 > 28) { SSL_set_options(con, SSL_OP_NO_QUERY_MTU); SSL_set_mtu(con, socket_mtu - 28); } else /* want to do MTU discovery */ BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); } else sbio=BIO_new_socket(s,BIO_NOCLOSE); if (nbio_test) { BIO *test; test=BIO_new(BIO_f_nbio_test()); sbio=BIO_push(test,sbio); } if (c_debug) { 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,"", host); seen = BIO_read(sbio,mbuf,BUFSIZZ); mbuf[seen] = 0; while (!strstr(mbuf, "")) goto shut; seen = BIO_read(sbio,mbuf,BUFSIZZ); mbuf[seen] = 0; } BIO_printf(sbio, ""); seen = BIO_read(sbio,sbuf,BUFSIZZ); sbuf[seen] = 0; if (!strstr(sbuf, " 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); 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 0)) { BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); for (i=0; iname); } #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