Annotation of src/usr.bin/openssl/sess_id.c, Revision 1.1
1.1 ! jsing 1: /* $OpenBSD: sess_id.c,v 1.20 2014/07/25 06:05:32 doug Exp $ */
! 2: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
! 3: * All rights reserved.
! 4: *
! 5: * This package is an SSL implementation written
! 6: * by Eric Young (eay@cryptsoft.com).
! 7: * The implementation was written so as to conform with Netscapes SSL.
! 8: *
! 9: * This library is free for commercial and non-commercial use as long as
! 10: * the following conditions are aheared to. The following conditions
! 11: * apply to all code found in this distribution, be it the RC4, RSA,
! 12: * lhash, DES, etc., code; not just the SSL code. The SSL documentation
! 13: * included with this distribution is covered by the same copyright terms
! 14: * except that the holder is Tim Hudson (tjh@cryptsoft.com).
! 15: *
! 16: * Copyright remains Eric Young's, and as such any Copyright notices in
! 17: * the code are not to be removed.
! 18: * If this package is used in a product, Eric Young should be given attribution
! 19: * as the author of the parts of the library used.
! 20: * This can be in the form of a textual message at program startup or
! 21: * in documentation (online or textual) provided with the package.
! 22: *
! 23: * Redistribution and use in source and binary forms, with or without
! 24: * modification, are permitted provided that the following conditions
! 25: * are met:
! 26: * 1. Redistributions of source code must retain the copyright
! 27: * notice, this list of conditions and the following disclaimer.
! 28: * 2. Redistributions in binary form must reproduce the above copyright
! 29: * notice, this list of conditions and the following disclaimer in the
! 30: * documentation and/or other materials provided with the distribution.
! 31: * 3. All advertising materials mentioning features or use of this software
! 32: * must display the following acknowledgement:
! 33: * "This product includes cryptographic software written by
! 34: * Eric Young (eay@cryptsoft.com)"
! 35: * The word 'cryptographic' can be left out if the rouines from the library
! 36: * being used are not cryptographic related :-).
! 37: * 4. If you include any Windows specific code (or a derivative thereof) from
! 38: * the apps directory (application code) you must include an acknowledgement:
! 39: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
! 40: *
! 41: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
! 42: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 43: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 44: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 45: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 46: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 47: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 48: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 49: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 50: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 51: * SUCH DAMAGE.
! 52: *
! 53: * The licence and distribution terms for any publically available version or
! 54: * derivative of this code cannot be changed. i.e. this code cannot simply be
! 55: * copied and put under another distribution licence
! 56: * [including the GNU Public Licence.]
! 57: */
! 58:
! 59: #include <stdio.h>
! 60: #include <stdlib.h>
! 61: #include <string.h>
! 62:
! 63: #include "apps.h"
! 64:
! 65: #include <openssl/bio.h>
! 66: #include <openssl/err.h>
! 67: #include <openssl/pem.h>
! 68: #include <openssl/ssl.h>
! 69: #include <openssl/x509.h>
! 70:
! 71: static const char *sess_id_usage[] = {
! 72: "usage: sess_id args\n",
! 73: "\n",
! 74: " -inform arg - input format - default PEM (DER or PEM)\n",
! 75: " -outform arg - output format - default PEM\n",
! 76: " -in arg - input file - default stdin\n",
! 77: " -out arg - output file - default stdout\n",
! 78: " -text - print ssl session id details\n",
! 79: " -cert - output certificate \n",
! 80: " -noout - no output of encoded session info\n",
! 81: " -context arg - set the session ID context\n",
! 82: NULL
! 83: };
! 84:
! 85: static SSL_SESSION *load_sess_id(char *file, int format);
! 86:
! 87: int sess_id_main(int, char **);
! 88:
! 89: int
! 90: sess_id_main(int argc, char **argv)
! 91: {
! 92: SSL_SESSION *x = NULL;
! 93: X509 *peer = NULL;
! 94: int ret = 1, i, num, badops = 0;
! 95: BIO *out = NULL;
! 96: int informat, outformat;
! 97: char *infile = NULL, *outfile = NULL, *context = NULL;
! 98: int cert = 0, noout = 0, text = 0;
! 99: const char **pp;
! 100:
! 101: informat = FORMAT_PEM;
! 102: outformat = FORMAT_PEM;
! 103:
! 104: argc--;
! 105: argv++;
! 106: num = 0;
! 107: while (argc >= 1) {
! 108: if (strcmp(*argv, "-inform") == 0) {
! 109: if (--argc < 1)
! 110: goto bad;
! 111: informat = str2fmt(*(++argv));
! 112: } else if (strcmp(*argv, "-outform") == 0) {
! 113: if (--argc < 1)
! 114: goto bad;
! 115: outformat = str2fmt(*(++argv));
! 116: } else if (strcmp(*argv, "-in") == 0) {
! 117: if (--argc < 1)
! 118: goto bad;
! 119: infile = *(++argv);
! 120: } else if (strcmp(*argv, "-out") == 0) {
! 121: if (--argc < 1)
! 122: goto bad;
! 123: outfile = *(++argv);
! 124: } else if (strcmp(*argv, "-text") == 0)
! 125: text = ++num;
! 126: else if (strcmp(*argv, "-cert") == 0)
! 127: cert = ++num;
! 128: else if (strcmp(*argv, "-noout") == 0)
! 129: noout = ++num;
! 130: else if (strcmp(*argv, "-context") == 0) {
! 131: if (--argc < 1)
! 132: goto bad;
! 133: context = *++argv;
! 134: } else {
! 135: BIO_printf(bio_err, "unknown option %s\n", *argv);
! 136: badops = 1;
! 137: break;
! 138: }
! 139: argc--;
! 140: argv++;
! 141: }
! 142:
! 143: if (badops) {
! 144: bad:
! 145: for (pp = sess_id_usage; (*pp != NULL); pp++)
! 146: BIO_printf(bio_err, "%s", *pp);
! 147: goto end;
! 148: }
! 149: ERR_load_crypto_strings();
! 150: x = load_sess_id(infile, informat);
! 151: if (x == NULL) {
! 152: goto end;
! 153: }
! 154: peer = SSL_SESSION_get0_peer(x);
! 155:
! 156: if (context) {
! 157: size_t ctx_len = strlen(context);
! 158: if (ctx_len > SSL_MAX_SID_CTX_LENGTH) {
! 159: BIO_printf(bio_err, "Context too long\n");
! 160: goto end;
! 161: }
! 162: SSL_SESSION_set1_id_context(x, (unsigned char *) context, ctx_len);
! 163: }
! 164: #ifdef undef
! 165: /* just testing for memory leaks :-) */
! 166: {
! 167: SSL_SESSION *s;
! 168: char buf[1024 * 10], *p;
! 169: int i;
! 170:
! 171: s = SSL_SESSION_new();
! 172:
! 173: p = &buf;
! 174: i = i2d_SSL_SESSION(x, &p);
! 175: p = &buf;
! 176: d2i_SSL_SESSION(&s, &p, (long) i);
! 177: p = &buf;
! 178: d2i_SSL_SESSION(&s, &p, (long) i);
! 179: p = &buf;
! 180: d2i_SSL_SESSION(&s, &p, (long) i);
! 181: SSL_SESSION_free(s);
! 182: }
! 183: #endif
! 184:
! 185: if (!noout || text) {
! 186: out = BIO_new(BIO_s_file());
! 187: if (out == NULL) {
! 188: ERR_print_errors(bio_err);
! 189: goto end;
! 190: }
! 191: if (outfile == NULL) {
! 192: BIO_set_fp(out, stdout, BIO_NOCLOSE);
! 193: } else {
! 194: if (BIO_write_filename(out, outfile) <= 0) {
! 195: perror(outfile);
! 196: goto end;
! 197: }
! 198: }
! 199: }
! 200: if (text) {
! 201: SSL_SESSION_print(out, x);
! 202:
! 203: if (cert) {
! 204: if (peer == NULL)
! 205: BIO_puts(out, "No certificate present\n");
! 206: else
! 207: X509_print(out, peer);
! 208: }
! 209: }
! 210: if (!noout && !cert) {
! 211: if (outformat == FORMAT_ASN1)
! 212: i = i2d_SSL_SESSION_bio(out, x);
! 213: else if (outformat == FORMAT_PEM)
! 214: i = PEM_write_bio_SSL_SESSION(out, x);
! 215: else {
! 216: BIO_printf(bio_err, "bad output format specified for outfile\n");
! 217: goto end;
! 218: }
! 219: if (!i) {
! 220: BIO_printf(bio_err, "unable to write SSL_SESSION\n");
! 221: goto end;
! 222: }
! 223: } else if (!noout && (peer != NULL)) { /* just print the certificate */
! 224: if (outformat == FORMAT_ASN1)
! 225: i = (int) i2d_X509_bio(out, peer);
! 226: else if (outformat == FORMAT_PEM)
! 227: i = PEM_write_bio_X509(out, peer);
! 228: else {
! 229: BIO_printf(bio_err, "bad output format specified for outfile\n");
! 230: goto end;
! 231: }
! 232: if (!i) {
! 233: BIO_printf(bio_err, "unable to write X509\n");
! 234: goto end;
! 235: }
! 236: }
! 237: ret = 0;
! 238: end:
! 239: if (out != NULL)
! 240: BIO_free_all(out);
! 241: if (x != NULL)
! 242: SSL_SESSION_free(x);
! 243:
! 244: return (ret);
! 245: }
! 246:
! 247: static SSL_SESSION *
! 248: load_sess_id(char *infile, int format)
! 249: {
! 250: SSL_SESSION *x = NULL;
! 251: BIO *in = NULL;
! 252:
! 253: in = BIO_new(BIO_s_file());
! 254: if (in == NULL) {
! 255: ERR_print_errors(bio_err);
! 256: goto end;
! 257: }
! 258: if (infile == NULL)
! 259: BIO_set_fp(in, stdin, BIO_NOCLOSE);
! 260: else {
! 261: if (BIO_read_filename(in, infile) <= 0) {
! 262: perror(infile);
! 263: goto end;
! 264: }
! 265: }
! 266: if (format == FORMAT_ASN1)
! 267: x = d2i_SSL_SESSION_bio(in, NULL);
! 268: else if (format == FORMAT_PEM)
! 269: x = PEM_read_bio_SSL_SESSION(in, NULL, NULL, NULL);
! 270: else {
! 271: BIO_printf(bio_err, "bad input format specified for input crl\n");
! 272: goto end;
! 273: }
! 274: if (x == NULL) {
! 275: BIO_printf(bio_err, "unable to load SSL_SESSION\n");
! 276: ERR_print_errors(bio_err);
! 277: goto end;
! 278: }
! 279: end:
! 280: BIO_free(in);
! 281: return (x);
! 282: }
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