/* 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>
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT,
OPT_TEXT, OPT_CERT, OPT_NOOUT, OPT_CONTEXT
} OPTION_CHOICE;
OPTIONS sess_id_options[] = {
{"help", OPT_HELP, '-', "Display this summary"},
{"inform", OPT_INFORM, 'F', "Input format - default PEM (DER or PEM)"},
{"outform", OPT_OUTFORM, 'f',
"Output format - default PEM (PEM, DER or NSS)"},
{"in", OPT_IN, 's', "Input file - default stdin"},
{"out", OPT_OUT, 's', "Output file - default stdout"},
{"text", OPT_TEXT, '-', "Print ssl session id details"},
{"cert", OPT_CERT, '-', "Output certificate "},
{"noout", OPT_NOOUT, '-', "Don't output the encoded session info"},
{"context", OPT_CONTEXT, 's', "Set the session ID context"},
{NULL}
};
static SSL_SESSION *load_sess_id(char *file, int format);
int sess_id_main(int argc, char **argv)
{
SSL_SESSION *x = NULL;
X509 *peer = NULL;
BIO *out = NULL;
char *infile = NULL, *outfile = NULL, *context = NULL, *prog;
int informat = FORMAT_PEM, outformat = FORMAT_PEM;
int cert = 0, noout = 0, text = 0, ret = 1, i, num = 0;
OPTION_CHOICE o;
prog = opt_init(argc, argv, sess_id_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(sess_id_options);
ret = 0;
goto end;
case OPT_INFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
goto opthelp;
break;
case OPT_OUTFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER | OPT_FMT_NSS,
&outformat))
goto opthelp;
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_TEXT:
text = ++num;
break;
case OPT_CERT:
cert = ++num;
break;
case OPT_NOOUT:
noout = ++num;
break;
case OPT_CONTEXT:
context = opt_arg();
break;
}
}
argc = opt_num_rest();
if (argc != 0)
goto opthelp;
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;
}
if (!SSL_SESSION_set1_id_context(x, (unsigned char *)context,
ctx_len)) {
BIO_printf(bio_err, "Error setting id context\n");
goto end;
}
}
if (!noout || text) {
out = bio_open_default(outfile, 'w', outformat);
if (out == NULL)
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 if (outformat == FORMAT_NSS)
i = SSL_SESSION_print_keylog(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:
BIO_free_all(out);
SSL_SESSION_free(x);
return (ret);
}
static SSL_SESSION *load_sess_id(char *infile, int format)
{
SSL_SESSION *x = NULL;
BIO *in = NULL;
in = bio_open_default(infile, 'r', format);
if (in == NULL)
goto end;
if (format == FORMAT_ASN1)
x = d2i_SSL_SESSION_bio(in, NULL);
else
x = PEM_read_bio_SSL_SESSION(in, NULL, NULL, NULL);
if (x == NULL) {
BIO_printf(bio_err, "unable to load SSL_SESSION\n");
ERR_print_errors(bio_err);
goto end;
}
end:
BIO_free(in);
return (x);
}