1 /*
2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include <string.h>
13 #include "apps.h"
14 #include "progs.h"
15 #include <openssl/bio.h>
16 #include <openssl/err.h>
17 #include <openssl/x509.h>
18 #include <openssl/pem.h>
19 #include <openssl/ssl.h>
20
21 typedef enum OPTION_choice {
22 OPT_COMMON,
23 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT,
24 OPT_TEXT, OPT_CERT, OPT_NOOUT, OPT_CONTEXT
25 } OPTION_CHOICE;
26
27 const OPTIONS sess_id_options[] = {
28 OPT_SECTION("General"),
29 {"help", OPT_HELP, '-', "Display this summary"},
30 {"context", OPT_CONTEXT, 's', "Set the session ID context"},
31
32 OPT_SECTION("Input"),
33 {"in", OPT_IN, 's', "Input file - default stdin"},
34 {"inform", OPT_INFORM, 'F', "Input format - default PEM (DER or PEM)"},
35
36 OPT_SECTION("Output"),
37 {"out", OPT_OUT, '>', "Output file - default stdout"},
38 {"outform", OPT_OUTFORM, 'f',
39 "Output format - default PEM (PEM, DER or NSS)"},
40 {"text", OPT_TEXT, '-', "Print ssl session id details"},
41 {"cert", OPT_CERT, '-', "Output certificate "},
42 {"noout", OPT_NOOUT, '-', "Don't output the encoded session info"},
43 {NULL}
44 };
45
46 static SSL_SESSION *load_sess_id(char *file, int format);
47
sess_id_main(int argc,char ** argv)48 int sess_id_main(int argc, char **argv)
49 {
50 SSL_SESSION *x = NULL;
51 X509 *peer = NULL;
52 BIO *out = NULL;
53 char *infile = NULL, *outfile = NULL, *context = NULL, *prog;
54 int informat = FORMAT_PEM, outformat = FORMAT_PEM;
55 int cert = 0, noout = 0, text = 0, ret = 1, i, num = 0;
56 OPTION_CHOICE o;
57
58 prog = opt_init(argc, argv, sess_id_options);
59 while ((o = opt_next()) != OPT_EOF) {
60 switch (o) {
61 case OPT_EOF:
62 case OPT_ERR:
63 opthelp:
64 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
65 goto end;
66 case OPT_HELP:
67 opt_help(sess_id_options);
68 ret = 0;
69 goto end;
70 case OPT_INFORM:
71 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
72 goto opthelp;
73 break;
74 case OPT_OUTFORM:
75 if (!opt_format(opt_arg(), OPT_FMT_PEMDER | OPT_FMT_NSS,
76 &outformat))
77 goto opthelp;
78 break;
79 case OPT_IN:
80 infile = opt_arg();
81 break;
82 case OPT_OUT:
83 outfile = opt_arg();
84 break;
85 case OPT_TEXT:
86 text = ++num;
87 break;
88 case OPT_CERT:
89 cert = ++num;
90 break;
91 case OPT_NOOUT:
92 noout = ++num;
93 break;
94 case OPT_CONTEXT:
95 context = opt_arg();
96 break;
97 }
98 }
99
100 /* No extra arguments. */
101 argc = opt_num_rest();
102 if (argc != 0)
103 goto opthelp;
104
105 x = load_sess_id(infile, informat);
106 if (x == NULL) {
107 goto end;
108 }
109 peer = SSL_SESSION_get0_peer(x);
110
111 if (context != NULL) {
112 size_t ctx_len = strlen(context);
113 if (ctx_len > SSL_MAX_SID_CTX_LENGTH) {
114 BIO_printf(bio_err, "Context too long\n");
115 goto end;
116 }
117 if (!SSL_SESSION_set1_id_context(x, (unsigned char *)context,
118 ctx_len)) {
119 BIO_printf(bio_err, "Error setting id context\n");
120 goto end;
121 }
122 }
123
124 if (!noout || text) {
125 out = bio_open_default(outfile, 'w', outformat);
126 if (out == NULL)
127 goto end;
128 }
129
130 if (text) {
131 SSL_SESSION_print(out, x);
132
133 if (cert) {
134 if (peer == NULL)
135 BIO_puts(out, "No certificate present\n");
136 else
137 X509_print(out, peer);
138 }
139 }
140
141 if (!noout && !cert) {
142 if (outformat == FORMAT_ASN1) {
143 i = i2d_SSL_SESSION_bio(out, x);
144 } else if (outformat == FORMAT_PEM) {
145 i = PEM_write_bio_SSL_SESSION(out, x);
146 } else if (outformat == FORMAT_NSS) {
147 i = SSL_SESSION_print_keylog(out, x);
148 } else {
149 BIO_printf(bio_err, "bad output format specified for outfile\n");
150 goto end;
151 }
152 if (!i) {
153 BIO_printf(bio_err, "unable to write SSL_SESSION\n");
154 goto end;
155 }
156 } else if (!noout && (peer != NULL)) { /* just print the certificate */
157 if (outformat == FORMAT_ASN1) {
158 i = (int)i2d_X509_bio(out, peer);
159 } else if (outformat == FORMAT_PEM) {
160 i = PEM_write_bio_X509(out, peer);
161 } else {
162 BIO_printf(bio_err, "bad output format specified for outfile\n");
163 goto end;
164 }
165 if (!i) {
166 BIO_printf(bio_err, "unable to write X509\n");
167 goto end;
168 }
169 }
170 ret = 0;
171 end:
172 BIO_free_all(out);
173 SSL_SESSION_free(x);
174 return ret;
175 }
176
load_sess_id(char * infile,int format)177 static SSL_SESSION *load_sess_id(char *infile, int format)
178 {
179 SSL_SESSION *x = NULL;
180 BIO *in = NULL;
181
182 in = bio_open_default(infile, 'r', format);
183 if (in == NULL)
184 goto end;
185 if (format == FORMAT_ASN1)
186 x = d2i_SSL_SESSION_bio(in, NULL);
187 else
188 x = PEM_read_bio_SSL_SESSION(in, NULL, NULL, NULL);
189 if (x == NULL) {
190 BIO_printf(bio_err, "unable to load SSL_SESSION\n");
191 ERR_print_errors(bio_err);
192 goto end;
193 }
194
195 end:
196 BIO_free(in);
197 return x;
198 }
199