/* ssl/ssl_task.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.] */ /* VMS */ /*- * DECnet object for servicing SSL. We accept the inbound and speak a * simple protocol for multiplexing the 2 data streams (application and * ssl data) over this logical link. * * Logical names: * SSL_CIPHER Defines a list of cipher specifications the server * will support in order of preference. * SSL_SERVER_CERTIFICATE * Points to PEM (privacy enhanced mail) file that * contains the server certificate and private password. * SYS$NET Logical created by netserver.exe as hook for completing * DECnet logical link. * * Each NSP message sent over the DECnet link has the following structure: * struct rpc_msg { * char channel; * char function; * short length; * char data[MAX_DATA]; * } msg; * * The channel field designates the virtual data stream this message applies * to and is one of: * A - Application data (payload). * R - Remote client connection that initiated the SSL connection. Encrypted * data is sent over this connection. * G - General data, reserved for future use. * * The data streams are half-duplex read/write and have following functions: * G - Get, requests that up to msg.length bytes of data be returned. The * data is returned in the next 'C' function response that matches the * requesting channel. * P - Put, requests that the first msg.length bytes of msg.data be appended * to the designated stream. * C - Confirms a get or put. Every get and put will get a confirm response, * you cannot initiate another function on a channel until the previous * operation has been confirmed. * * The 2 channels may interleave their operations, for example: * Server msg Client msg * A, Get, 4092 ----> * <---- R, get, 4092 * R, Confirm, {hello} ----> * <---- R, put, {srv hello} * R, Confirm, 0 ----> * . (SSL handshake completed) * . (read first app data). * <---- A, confirm, {http data} * A, Put, {http data} ----> * <---- A, confirm, 0 * * The length field is not permitted to be larger that 4092 bytes. * * Author: Dave Jones * Date: 22-JUL-1996 */ #include #include #include /* VMS IO$_ definitions */ #include /* VMS string descriptors */ extern int SYS$QIOW(), SYS$ASSIGN(); int LIB$INIT_TIMER(), LIB$SHOW_TIMER(); #include /* from ssltest.c */ #include #include "e_os.h" #include #include #include #include int MS_CALLBACK verify_callback(int ok, X509 *xs, X509 *xi, int depth, int error); BIO *bio_err = NULL; BIO *bio_stdout = NULL; BIO_METHOD *BIO_s_rtcp(); static char *cipher = NULL; int verbose = 1; #ifdef FIONBIO static int s_nbio = 0; #endif #define TEST_SERVER_CERT "SSL_SERVER_CERTIFICATE" /*************************************************************************/ /* Should have member alignment inhibited */ struct rpc_msg { /* 'A'-app data. 'R'-remote client 'G'-global */ char channel; /* 'G'-get, 'P'-put, 'C'-confirm, 'X'-close */ char function; /* Amount of data returned or max to return */ unsigned short int length; /* variable data */ char data[4092]; }; #define RPC_HDR_SIZE (sizeof(struct rpc_msg) - 4092) static $DESCRIPTOR(sysnet, "SYS$NET"); typedef unsigned short io_channel; struct io_status { unsigned short status; unsigned short count; unsigned long stsval; }; int doit(io_channel chan, SSL_CTX *s_ctx); /*****************************************************************************/ /* * Decnet I/O routines. */ static int get(io_channel chan, char *buffer, int maxlen, int *length) { int status; struct io_status iosb; status = SYS$QIOW(0, chan, IO$_READVBLK, &iosb, 0, 0, buffer, maxlen, 0, 0, 0, 0); if ((status & 1) == 1) status = iosb.status; if ((status & 1) == 1) *length = iosb.count; return status; } static int put(io_channel chan, char *buffer, int length) { int status; struct io_status iosb; status = SYS$QIOW(0, chan, IO$_WRITEVBLK, &iosb, 0, 0, buffer, length, 0, 0, 0, 0); if ((status & 1) == 1) status = iosb.status; return status; } /***************************************************************************/ /* * Handle operations on the 'G' channel. */ static int general_request(io_channel chan, struct rpc_msg *msg, int length) { return 48; } /***************************************************************************/ int main(int argc, char **argv) { int status, length; io_channel chan; struct rpc_msg msg; char *CApath = NULL, *CAfile = NULL; int badop = 0; int ret = 1; int client_auth = 0; int server_auth = 0; SSL_CTX *s_ctx = NULL; /* * Confirm logical link with initiating client. */ LIB$INIT_TIMER(); status = SYS$ASSIGN(&sysnet, &chan, 0, 0, 0); printf("status of assign to SYS$NET: %d\n", status); /* * Initialize standard out and error files. */ if (bio_err == NULL) if ((bio_err = BIO_new(BIO_s_file())) != NULL) BIO_set_fp(bio_err, stderr, BIO_NOCLOSE); if (bio_stdout == NULL) if ((bio_stdout = BIO_new(BIO_s_file())) != NULL) BIO_set_fp(bio_stdout, stdout, BIO_NOCLOSE); /* * get the preferred cipher list and other initialization */ if (cipher == NULL) cipher = getenv("SSL_CIPHER"); printf("cipher list: %s\n", cipher ? cipher : "{undefined}"); SSL_load_error_strings(); OpenSSL_add_all_algorithms(); /* * DRM, this was the original, but there is no such thing as SSLv2() * s_ctx=SSL_CTX_new(SSLv2()); */ s_ctx = SSL_CTX_new(SSLv2_server_method()); if (s_ctx == NULL) goto end; SSL_CTX_use_certificate_file(s_ctx, TEST_SERVER_CERT, SSL_FILETYPE_PEM); SSL_CTX_use_RSAPrivateKey_file(s_ctx, TEST_SERVER_CERT, SSL_FILETYPE_PEM); printf("Loaded server certificate: '%s'\n", TEST_SERVER_CERT); /* * Take commands from client until bad status. */ LIB$SHOW_TIMER(); status = doit(chan, s_ctx); LIB$SHOW_TIMER(); /* * do final cleanup and exit. */ end: if (s_ctx != NULL) SSL_CTX_free(s_ctx); LIB$SHOW_TIMER(); return 1; } int doit(io_channel chan, SSL_CTX *s_ctx) { int status, length, link_state; struct rpc_msg msg; SSL *s_ssl = NULL; BIO *c_to_s = NULL; BIO *s_to_c = NULL; BIO *c_bio = NULL; BIO *s_bio = NULL; int i; int done = 0; s_ssl = SSL_new(s_ctx); if (s_ssl == NULL) goto err; c_to_s = BIO_new(BIO_s_rtcp()); s_to_c = BIO_new(BIO_s_rtcp()); if ((s_to_c == NULL) || (c_to_s == NULL)) goto err; /*- original, DRM 24-SEP-1997 BIO_set_fd ( c_to_s, "", chan ); BIO_set_fd ( s_to_c, "", chan ); */ BIO_set_fd(c_to_s, 0, chan); BIO_set_fd(s_to_c, 0, chan); c_bio = BIO_new(BIO_f_ssl()); s_bio = BIO_new(BIO_f_ssl()); if ((c_bio == NULL) || (s_bio == NULL)) goto err; SSL_set_accept_state(s_ssl); SSL_set_bio(s_ssl, c_to_s, s_to_c); BIO_set_ssl(s_bio, s_ssl, BIO_CLOSE); /* We can always do writes */ printf("Begin doit main loop\n"); /* * Link states: 0-idle, 1-read pending, 2-write pending, 3-closed. */ for (link_state = 0; link_state < 3;) { /* * Wait for remote end to request data action on A channel. */ while (link_state == 0) { status = get(chan, (char *)&msg, sizeof(msg), &length); if ((status & 1) == 0) { printf("Error in main loop get: %d\n", status); link_state = 3; break; } if (length < RPC_HDR_SIZE) { printf("Error in main loop get size: %d\n", length); break; link_state = 3; } if (msg.channel != 'A') { printf("Error in main loop, unexpected channel: %c\n", msg.channel); break; link_state = 3; } if (msg.function == 'G') { link_state = 1; } else if (msg.function == 'P') { link_state = 2; /* write pending */ } else if (msg.function == 'X') { link_state = 3; } else { link_state = 3; } } if (link_state == 1) { i = BIO_read(s_bio, msg.data, msg.length); if (i < 0) link_state = 3; else { msg.channel = 'A'; msg.function = 'C'; /* confirm */ msg.length = i; status = put(chan, (char *)&msg, i + RPC_HDR_SIZE); if ((status & 1) == 0) break; link_state = 0; } } else if (link_state == 2) { i = BIO_write(s_bio, msg.data, msg.length); if (i < 0) link_state = 3; else { msg.channel = 'A'; msg.function = 'C'; /* confirm */ msg.length = 0; status = put(chan, (char *)&msg, RPC_HDR_SIZE); if ((status & 1) == 0) break; link_state = 0; } } } fprintf(stdout, "DONE\n"); err: /* * We have to set the BIO's to NULL otherwise they will be free()ed * twice. Once when th s_ssl is SSL_free()ed and again when c_ssl is * SSL_free()ed. This is a hack required because s_ssl and c_ssl are * sharing the same BIO structure and SSL_set_bio() and SSL_free() * automatically BIO_free non NULL entries. You should not normally do * this or be required to do this */ s_ssl->rbio = NULL; s_ssl->wbio = NULL; if (c_to_s != NULL) BIO_free(c_to_s); if (s_to_c != NULL) BIO_free(s_to_c); if (c_bio != NULL) BIO_free(c_bio); if (s_bio != NULL) BIO_free(s_bio); return (0); }