/* 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 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_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(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; if(r) BN_free(r); if(p) BN_free(p); if(bn_ctx) BN_CTX_free(bn_ctx); return ret; } 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 must be used with caution, testing primes costs time. 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; } static char * MS_CALLBACK missing_srp_username_callback(SSL *s, void *arg) { SRP_ARG *srp_arg = (SRP_ARG *)arg; return BUF_strdup(srp_arg->srplogin); } #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; 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 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) meth=SSLv23_client_method(); #elif !defined(OPENSSL_NO_SSL3) meth=SSLv3_client_method(); #elif !defined(OPENSSL_NO_SSL2) meth=SSLv2_client_method(); #endif apps_startup(); c_Pause=0; c_quiet=0; c_ign_eof=0; c_debug=0; c_msg=0; c_showcerts=0; if (bio_err == NULL) bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); if (!load_config(bio_err, NULL)) goto end; if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) { BIO_printf(bio_err,"out of memory\n"); goto end; } verify_depth=0; verify_error=X509_V_OK; #ifdef FIONBIO c_nbio=0; #endif argc--; argv++; while (argc >= 1) { if (strcmp(*argv,"-host") == 0) { if (--argc < 1) goto bad; host= *(++argv); } else if (strcmp(*argv,"-port") == 0) { if (--argc < 1) goto bad; port=atoi(*(++argv)); if (port == 0) goto bad; } else if (strcmp(*argv,"-connect") == 0) { if (--argc < 1) goto bad; if (!extract_host_port(*(++argv),&host,NULL,&port)) goto bad; } else if (strcmp(*argv,"-verify") == 0) { verify=SSL_VERIFY_PEER; if (--argc < 1) goto bad; verify_depth=atoi(*(++argv)); BIO_printf(bio_err,"verify depth is %d\n",verify_depth); } else if (strcmp(*argv,"-cert") == 0) { if (--argc < 1) goto bad; cert_file= *(++argv); } else if (strcmp(*argv,"-sess_out") == 0) { if (--argc < 1) goto bad; sess_out = *(++argv); } else if (strcmp(*argv,"-sess_in") == 0) { if (--argc < 1) goto bad; sess_in = *(++argv); } else if (strcmp(*argv,"-certform") == 0) { if (--argc < 1) goto bad; cert_format = str2fmt(*(++argv)); } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { if (badarg) goto bad; continue; } else if (strcmp(*argv,"-verify_return_error") == 0) verify_return_error = 1; else if (strcmp(*argv,"-prexit") == 0) prexit=1; else if (strcmp(*argv,"-crlf") == 0) crlf=1; else if (strcmp(*argv,"-quiet") == 0) { c_quiet=1; c_ign_eof=1; } else if (strcmp(*argv,"-ign_eof") == 0) c_ign_eof=1; else if (strcmp(*argv,"-no_ign_eof") == 0) c_ign_eof=0; else if (strcmp(*argv,"-pause") == 0) c_Pause=1; else if (strcmp(*argv,"-debug") == 0) c_debug=1; #ifndef OPENSSL_NO_TLSEXT else if (strcmp(*argv,"-tlsextdebug") == 0) c_tlsextdebug=1; else if (strcmp(*argv,"-status") == 0) c_status_req=1; #endif #ifdef WATT32 else if (strcmp(*argv,"-wdebug") == 0) dbug_init(); #endif else if (strcmp(*argv,"-msg") == 0) c_msg=1; else if (strcmp(*argv,"-showcerts") == 0) c_showcerts=1; else if (strcmp(*argv,"-nbio_test") == 0) nbio_test=1; else if (strcmp(*argv,"-state") == 0) state=1; #ifndef OPENSSL_NO_PSK else if (strcmp(*argv,"-psk_identity") == 0) { if (--argc < 1) goto bad; psk_identity=*(++argv); } else if (strcmp(*argv,"-psk") == 0) { size_t j; if (--argc < 1) goto bad; psk_key=*(++argv); for (j = 0; j < strlen(psk_key); j++) { if (isxdigit((int)psk_key[j])) continue; BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); goto bad; } } #endif #ifndef OPENSSL_NO_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 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 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_missing_srp_username_callback(ctx,missing_srp_username_callback); else if (!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 && (con->kssl_ctx = kssl_ctx_new()) != NULL) { kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host); } #endif /* OPENSSL_NO_KRB5 */ /* SSL_set_cipher_list(con,"RC4-MD5"); */ #if 0 #ifdef TLSEXT_TYPE_opaque_prf_input SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); #endif #endif re_start: if (init_client(&s,host,port,socket_type) == 0) { BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); SHUTDOWN(s); goto end; } BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); #ifdef FIONBIO if (c_nbio) { unsigned long l=1; BIO_printf(bio_c_out,"turning on non blocking io\n"); if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) { ERR_print_errors(bio_err); goto end; } } #endif if (c_Pause & 0x01) 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; } else { cbuf_len=i; cbuf_off=0; #ifdef CHARSET_EBCDIC ebcdic2ascii(cbuf, cbuf, i); #endif } write_ssl=1; read_tty=0; } } ret=0; shut: if (in_init) print_stuff(bio_c_out,con,full_log); SSL_shutdown(con); SHUTDOWN(SSL_get_fd(con)); end: if (con != NULL) { if (prexit != 0) print_stuff(bio_c_out,con,1); SSL_free(con); } if (ctx != NULL) SSL_CTX_free(ctx); if (cert) X509_free(cert); if (key) EVP_PKEY_free(key); if (pass) OPENSSL_free(pass); if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } if (bio_c_out != NULL) { BIO_free(bio_c_out); bio_c_out=NULL; } apps_shutdown(); OPENSSL_EXIT(ret); } static void print_stuff(BIO *bio, SSL *s, int full) { X509 *peer=NULL; char *p; static const char *space=" "; char buf[BUFSIZ]; STACK_OF(X509) *sk; STACK_OF(X509_NAME) *sk2; const SSL_CIPHER *c; X509_NAME *xn; int j,i; #ifndef OPENSSL_NO_COMP const COMP_METHOD *comp, *expansion; #endif if (full) { int got_a_chain = 0; sk=SSL_get_peer_cert_chain(s); if (sk != NULL) { got_a_chain = 1; /* we don't have it for SSL2 (yet) */ BIO_printf(bio,"---\nCertificate chain\n"); for (i=0; i 0)) { BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); for (i=0; i