Annotation of src/usr.bin/openssl/sess_id.c, Revision 1.4
1.4 ! doug 1: /* $OpenBSD: sess_id.c,v 1.3 2015/01/24 09:44:29 doug Exp $ */
1.1 jsing 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:
1.3 doug 71: static struct {
72: int cert;
73: char *context;
74: char *infile;
75: int informat;
76: int noout;
77: char *outfile;
78: int outformat;
79: int text;
80: } sess_id_config;
81:
82: static struct option sess_id_options[] = {
83: {
84: .name = "cert",
85: .desc = "Output certificate if present in session",
86: .type = OPTION_FLAG,
87: .opt.flag = &sess_id_config.cert,
88: },
89: {
90: .name = "context",
91: .argname = "id",
92: .desc = "Set the session ID context for output",
93: .type = OPTION_ARG,
94: .opt.arg = &sess_id_config.context,
95: },
96: {
97: .name = "in",
98: .argname = "file",
99: .desc = "Input file (default stdin)",
100: .type = OPTION_ARG,
101: .opt.arg = &sess_id_config.infile,
102: },
103: {
104: .name = "inform",
105: .argname = "format",
106: .desc = "Input format (DER or PEM (default))",
107: .type = OPTION_ARG_FORMAT,
108: .opt.value = &sess_id_config.informat,
109: },
110: {
111: .name = "noout",
112: .desc = "Do not output the encoded session info",
113: .type = OPTION_FLAG,
114: .opt.flag = &sess_id_config.noout,
115: },
116: {
117: .name = "out",
118: .argname = "file",
119: .desc = "Output file (default stdout)",
120: .type = OPTION_ARG,
121: .opt.arg = &sess_id_config.outfile,
122: },
123: {
124: .name = "outform",
125: .argname = "format",
126: .desc = "Output format (DER or PEM (default))",
127: .type = OPTION_ARG_FORMAT,
128: .opt.value = &sess_id_config.outformat,
129: },
130: {
131: .name = "text",
132: .desc = "Print various public or private key components in"
133: " plain text",
134: .type = OPTION_FLAG,
135: .opt.flag = &sess_id_config.text,
136: },
137: { NULL }
1.1 jsing 138: };
139:
1.3 doug 140: static void
141: sess_id_usage(void)
142: {
143: fprintf(stderr,
144: "usage: sess_id [-cert] [-context id] [-in file] [-inform fmt] "
145: "[-noout]\n"
146: " [-out file] [-outform fmt] [-text]\n\n");
147: options_usage(sess_id_options);
148: }
149:
1.1 jsing 150: static SSL_SESSION *load_sess_id(char *file, int format);
151:
152: int
153: sess_id_main(int argc, char **argv)
154: {
155: SSL_SESSION *x = NULL;
156: X509 *peer = NULL;
1.3 doug 157: int ret = 1, i;
1.1 jsing 158: BIO *out = NULL;
159:
1.3 doug 160: memset(&sess_id_config, 0, sizeof(sess_id_config));
161:
162: sess_id_config.informat = FORMAT_PEM;
163: sess_id_config.outformat = FORMAT_PEM;
164:
165: if (options_parse(argc, argv, sess_id_options, NULL, NULL) != 0) {
166: sess_id_usage();
167: return (1);
1.1 jsing 168: }
1.2 jsing 169:
1.3 doug 170: x = load_sess_id(sess_id_config.infile, sess_id_config.informat);
1.1 jsing 171: if (x == NULL) {
172: goto end;
173: }
174: peer = SSL_SESSION_get0_peer(x);
175:
1.3 doug 176: if (sess_id_config.context) {
177: size_t ctx_len = strlen(sess_id_config.context);
1.1 jsing 178: if (ctx_len > SSL_MAX_SID_CTX_LENGTH) {
179: BIO_printf(bio_err, "Context too long\n");
180: goto end;
181: }
1.3 doug 182: SSL_SESSION_set1_id_context(x,
183: (unsigned char *)sess_id_config.context, ctx_len);
1.1 jsing 184: }
185:
1.3 doug 186: if (!sess_id_config.noout || sess_id_config.text) {
1.1 jsing 187: out = BIO_new(BIO_s_file());
188: if (out == NULL) {
189: ERR_print_errors(bio_err);
190: goto end;
191: }
1.3 doug 192: if (sess_id_config.outfile == NULL) {
1.1 jsing 193: BIO_set_fp(out, stdout, BIO_NOCLOSE);
194: } else {
1.3 doug 195: if (BIO_write_filename(out, sess_id_config.outfile)
196: <= 0) {
197: perror(sess_id_config.outfile);
1.1 jsing 198: goto end;
199: }
200: }
201: }
1.3 doug 202: if (sess_id_config.text) {
1.1 jsing 203: SSL_SESSION_print(out, x);
204:
1.3 doug 205: if (sess_id_config.cert) {
1.1 jsing 206: if (peer == NULL)
207: BIO_puts(out, "No certificate present\n");
208: else
209: X509_print(out, peer);
210: }
211: }
1.3 doug 212: if (!sess_id_config.noout && !sess_id_config.cert) {
213: if (sess_id_config.outformat == FORMAT_ASN1)
1.1 jsing 214: i = i2d_SSL_SESSION_bio(out, x);
1.3 doug 215: else if (sess_id_config.outformat == FORMAT_PEM)
1.1 jsing 216: i = PEM_write_bio_SSL_SESSION(out, x);
217: else {
1.3 doug 218: BIO_printf(bio_err,
219: "bad output format specified for outfile\n");
1.1 jsing 220: goto end;
221: }
222: if (!i) {
223: BIO_printf(bio_err, "unable to write SSL_SESSION\n");
224: goto end;
225: }
1.3 doug 226: } else if (!sess_id_config.noout && (peer != NULL)) {
227: /* just print the certificate */
228: if (sess_id_config.outformat == FORMAT_ASN1)
1.1 jsing 229: i = (int) i2d_X509_bio(out, peer);
1.3 doug 230: else if (sess_id_config.outformat == FORMAT_PEM)
1.1 jsing 231: i = PEM_write_bio_X509(out, peer);
232: else {
1.3 doug 233: BIO_printf(bio_err,
234: "bad output format specified for outfile\n");
1.1 jsing 235: goto end;
236: }
237: if (!i) {
238: BIO_printf(bio_err, "unable to write X509\n");
239: goto end;
240: }
241: }
242: ret = 0;
1.3 doug 243:
1.1 jsing 244: end:
1.3 doug 245: BIO_free_all(out);
246: SSL_SESSION_free(x);
1.1 jsing 247:
248: return (ret);
249: }
250:
251: static SSL_SESSION *
252: load_sess_id(char *infile, int format)
253: {
254: SSL_SESSION *x = NULL;
255: BIO *in = NULL;
256:
257: in = BIO_new(BIO_s_file());
258: if (in == NULL) {
259: ERR_print_errors(bio_err);
260: goto end;
261: }
262: if (infile == NULL)
263: BIO_set_fp(in, stdin, BIO_NOCLOSE);
264: else {
265: if (BIO_read_filename(in, infile) <= 0) {
266: perror(infile);
267: goto end;
268: }
269: }
270: if (format == FORMAT_ASN1)
271: x = d2i_SSL_SESSION_bio(in, NULL);
272: else if (format == FORMAT_PEM)
273: x = PEM_read_bio_SSL_SESSION(in, NULL, NULL, NULL);
274: else {
1.3 doug 275: BIO_printf(bio_err,
276: "bad input format specified for input crl\n");
1.1 jsing 277: goto end;
278: }
279: if (x == NULL) {
280: BIO_printf(bio_err, "unable to load SSL_SESSION\n");
281: ERR_print_errors(bio_err);
282: goto end;
283: }
284: end:
285: BIO_free(in);
286: return (x);
287: }