Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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/* apps/sess_id.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.]
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "apps.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/ssl.h>
#undef PROG
#define PROG sess_id_main
static const char *sess_id_usage[] = {
"usage: sess_id args\n",
"\n",
" -inform arg - input format - default PEM (DER or PEM)\n",
" -outform arg - output format - default PEM\n",
" -in arg - input file - default stdin\n",
" -out arg - output file - default stdout\n",
" -text - print ssl session id details\n",
" -cert - output certificate \n",
" -noout - no CRL output\n",
" -context arg - set the session ID context\n",
NULL
};
static SSL_SESSION *load_sess_id(char *file, int format);
int MAIN(int, char **);
int MAIN(int argc, char **argv)
{
SSL_SESSION *x = NULL;
X509 *peer = NULL;
int ret = 1, i, num, badops = 0;
BIO *out = NULL;
int informat, outformat;
char *infile = NULL, *outfile = NULL, *context = NULL;
int cert = 0, noout = 0, text = 0;
const char **pp;
apps_startup();
if (bio_err == NULL)
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
informat = FORMAT_PEM;
outformat = FORMAT_PEM;
argc--;
argv++;
num = 0;
while (argc >= 1) {
if (strcmp(*argv, "-inform") == 0) {
if (--argc < 1)
goto bad;
informat = str2fmt(*(++argv));
} else if (strcmp(*argv, "-outform") == 0) {
if (--argc < 1)
goto bad;
outformat = str2fmt(*(++argv));
} else if (strcmp(*argv, "-in") == 0) {
if (--argc < 1)
goto bad;
infile = *(++argv);
} else if (strcmp(*argv, "-out") == 0) {
if (--argc < 1)
goto bad;
outfile = *(++argv);
} else if (strcmp(*argv, "-text") == 0)
text = ++num;
else if (strcmp(*argv, "-cert") == 0)
cert = ++num;
else if (strcmp(*argv, "-noout") == 0)
noout = ++num;
else if (strcmp(*argv, "-context") == 0) {
if (--argc < 1)
goto bad;
context = *++argv;
} else {
BIO_printf(bio_err, "unknown option %s\n", *argv);
badops = 1;
break;
}
argc--;
argv++;
}
if (badops) {
bad:
for (pp = sess_id_usage; (*pp != NULL); pp++)
BIO_printf(bio_err, "%s", *pp);
goto end;
}
ERR_load_crypto_strings();
x = load_sess_id(infile, informat);
if (x == NULL) {
goto end;
}
peer = SSL_SESSION_get0_peer(x);
if (context) {
size_t ctx_len = strlen(context);
if (ctx_len > SSL_MAX_SID_CTX_LENGTH) {
BIO_printf(bio_err, "Context too long\n");
goto end;
}
SSL_SESSION_set1_id_context(x, (unsigned char *)context, ctx_len);
}
#ifdef undef
/* just testing for memory leaks :-) */
{
SSL_SESSION *s;
char buf[1024 * 10], *p;
int i;
s = SSL_SESSION_new();
p = &buf;
i = i2d_SSL_SESSION(x, &p);
p = &buf;
d2i_SSL_SESSION(&s, &p, (long)i);
p = &buf;
d2i_SSL_SESSION(&s, &p, (long)i);
p = &buf;
d2i_SSL_SESSION(&s, &p, (long)i);
SSL_SESSION_free(s);
}
#endif
if (!noout || text) {
out = BIO_new(BIO_s_file());
if (out == NULL) {
ERR_print_errors(bio_err);
goto end;
}
if (outfile == NULL) {
BIO_set_fp(out, stdout, BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
} else {
if (BIO_write_filename(out, outfile) <= 0) {
perror(outfile);
goto end;
}
}
}
if (text) {
SSL_SESSION_print(out, x);
if (cert) {
if (peer == NULL)
BIO_puts(out, "No certificate present\n");
else
X509_print(out, peer);
}
}
if (!noout && !cert) {
if (outformat == FORMAT_ASN1)
i = i2d_SSL_SESSION_bio(out, x);
else if (outformat == FORMAT_PEM)
i = PEM_write_bio_SSL_SESSION(out, x);
else {
BIO_printf(bio_err, "bad output format specified for outfile\n");
goto end;
}
if (!i) {
BIO_printf(bio_err, "unable to write SSL_SESSION\n");
goto end;
}
} else if (!noout && (peer != NULL)) { /* just print the certificate */
if (outformat == FORMAT_ASN1)
i = (int)i2d_X509_bio(out, peer);
else if (outformat == FORMAT_PEM)
i = PEM_write_bio_X509(out, peer);
else {
BIO_printf(bio_err, "bad output format specified for outfile\n");
goto end;
}
if (!i) {
BIO_printf(bio_err, "unable to write X509\n");
goto end;
}
}
ret = 0;
end:
if (out != NULL)
BIO_free_all(out);
if (x != NULL)
SSL_SESSION_free(x);
apps_shutdown();
OPENSSL_EXIT(ret);
}
static SSL_SESSION *load_sess_id(char *infile, int format)
{
SSL_SESSION *x = NULL;
BIO *in = NULL;
in = BIO_new(BIO_s_file());
if (in == NULL) {
ERR_print_errors(bio_err);
goto end;
}
if (infile == NULL)
BIO_set_fp(in, stdin, BIO_NOCLOSE);
else {
if (BIO_read_filename(in, infile) <= 0) {
perror(infile);
goto end;
}
}
if (format == FORMAT_ASN1)
x = d2i_SSL_SESSION_bio(in, NULL);
else if (format == FORMAT_PEM)
x = PEM_read_bio_SSL_SESSION(in, NULL, NULL, NULL);
else {
BIO_printf(bio_err, "bad input format specified for input crl\n");
goto end;
}
if (x == NULL) {
BIO_printf(bio_err, "unable to load SSL_SESSION\n");
ERR_print_errors(bio_err);
goto end;
}
end:
if (in != NULL)
BIO_free(in);
return (x);
}