ssl/ssl_txt.c

   1 /*
   2  * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright 2005 Nokia. All rights reserved.
   4  *
   5  * Licensed under the Apache License 2.0 (the "License").  You may not use
   6  * this file except in compliance with the License.  You can obtain a copy
   7  * in the file LICENSE in the source distribution or at
   8  * https://www.openssl.org/source/license.html
   9  */
  10
  11 #include <stdio.h>
  12 #include <openssl/buffer.h>
  13 #include "ssl_locl.h"
  14
  15 #ifndef OPENSSL_NO_STDIO
  16 int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *x)
  17 {
  18     BIO *b;
  19     int ret;
  20
  21     if ((b = BIO_new(BIO_s_file())) == NULL) {
  22         SSLerr(SSL_F_SSL_SESSION_PRINT_FP, ERR_R_BUF_LIB);
  23         return 0;
  24     }
  25     BIO_set_fp(b, fp, BIO_NOCLOSE);
  26     ret = SSL_SESSION_print(b, x);
  27     BIO_free(b);
  28     return ret;
  29 }
  30 #endif
  31
  32 int SSL_SESSION_print(BIO *bp, const SSL_SESSION *x)
  33 {
  34     size_t i;
  35     const char *s;
  36     int istls13;
  37
  38     if (x == NULL)
  39         goto err;
  40     istls13 = (x->ssl_version == TLS1_3_VERSION);
  41     if (BIO_puts(bp, "SSL-Session:\n") <= 0)
  42         goto err;
  43     s = ssl_protocol_to_string(x->ssl_version);
  44     if (BIO_printf(bp, "    Protocol  : %s\n", s) <= 0)
  45         goto err;
  46
  47     if (x->cipher == NULL) {
  48         if (((x->cipher_id) & 0xff000000) == 0x02000000) {
  49             if (BIO_printf(bp, "    Cipher    : %06lX\n",
  50                            x->cipher_id & 0xffffff) <= 0)
  51                 goto err;
  52         } else {
  53             if (BIO_printf(bp, "    Cipher    : %04lX\n",
  54                            x->cipher_id & 0xffff) <= 0)
  55                 goto err;
  56         }
  57     } else {
  58         if (BIO_printf(bp, "    Cipher    : %s\n",
  59                        ((x->cipher->name == NULL) ? "unknown"
  60                                                   : x->cipher->name)) <= 0)
  61             goto err;
  62     }
  63     if (BIO_puts(bp, "    Session-ID: ") <= 0)
  64         goto err;
  65     for (i = 0; i < x->session_id_length; i++) {
  66         if (BIO_printf(bp, "%02X", x->session_id[i]) <= 0)
  67             goto err;
  68     }
  69     if (BIO_puts(bp, "\n    Session-ID-ctx: ") <= 0)
  70         goto err;
  71     for (i = 0; i < x->sid_ctx_length; i++) {
  72         if (BIO_printf(bp, "%02X", x->sid_ctx[i]) <= 0)
  73             goto err;
  74     }
  75     if (istls13) {
  76         if (BIO_puts(bp, "\n    Resumption PSK: ") <= 0)
  77             goto err;
  78     } else if (BIO_puts(bp, "\n    Master-Key: ") <= 0)
  79         goto err;
  80     for (i = 0; i < x->master_key_length; i++) {
  81         if (BIO_printf(bp, "%02X", x->master_key[i]) <= 0)
  82             goto err;
  83     }
  84 #ifndef OPENSSL_NO_PSK
  85     if (BIO_puts(bp, "\n    PSK identity: ") <= 0)
  86         goto err;
  87     if (BIO_printf(bp, "%s", x->psk_identity ? x->psk_identity : "None") <= 0)
  88         goto err;
  89     if (BIO_puts(bp, "\n    PSK identity hint: ") <= 0)
  90         goto err;
  91     if (BIO_printf
  92         (bp, "%s", x->psk_identity_hint ? x->psk_identity_hint : "None") <= 0)
  93         goto err;
  94 #endif
  95 #ifndef OPENSSL_NO_SRP
  96     if (BIO_puts(bp, "\n    SRP username: ") <= 0)
  97         goto err;
  98     if (BIO_printf(bp, "%s", x->srp_username ? x->srp_username : "None") <= 0)
  99         goto err;
 100 #endif
 101     if (x->ext.tick_lifetime_hint) {
 102         if (BIO_printf(bp,
 103                        "\n    TLS session ticket lifetime hint: %ld (seconds)",
 104                        x->ext.tick_lifetime_hint) <= 0)
 105             goto err;
 106     }
 107     if (x->ext.tick) {
 108         if (BIO_puts(bp, "\n    TLS session ticket:\n") <= 0)
 109             goto err;
 110         /* TODO(size_t): Convert this call */
 111         if (BIO_dump_indent
 112             (bp, (const char *)x->ext.tick, (int)x->ext.ticklen, 4)
 113             <= 0)
 114             goto err;
 115     }
 116 #ifndef OPENSSL_NO_COMP
 117     if (x->compress_meth != 0) {
 118         SSL_COMP *comp = NULL;
 119
 120         if (!ssl_cipher_get_evp(x, NULL, NULL, NULL, NULL, &comp, 0))
 121             goto err;
 122         if (comp == NULL) {
 123             if (BIO_printf(bp, "\n    Compression: %d", x->compress_meth) <= 0)
 124                 goto err;
 125         } else {
 126             if (BIO_printf(bp, "\n    Compression: %d (%s)", comp->id,
 127                            comp->name) <= 0)
 128                 goto err;
 129         }
 130     }
 131 #endif
 132     if (x->time != 0L) {
 133         if (BIO_printf(bp, "\n    Start Time: %ld", x->time) <= 0)
 134             goto err;
 135     }
 136     if (x->timeout != 0L) {
 137         if (BIO_printf(bp, "\n    Timeout   : %ld (sec)", x->timeout) <= 0)
 138             goto err;
 139     }
 140     if (BIO_puts(bp, "\n") <= 0)
 141         goto err;
 142
 143     if (BIO_puts(bp, "    Verify return code: ") <= 0)
 144         goto err;
 145     if (BIO_printf(bp, "%ld (%s)\n", x->verify_result,
 146                    X509_verify_cert_error_string(x->verify_result)) <= 0)
 147         goto err;
 148
 149     if (BIO_printf(bp, "    Extended master secret: %s\n",
 150                    x->flags & SSL_SESS_FLAG_EXTMS ? "yes" : "no") <= 0)
 151         goto err;
 152
 153     if (istls13) {
 154         if (BIO_printf(bp, "    Max Early Data: %u\n",
 155                        x->ext.max_early_data) <= 0)
 156             goto err;
 157     }
 158
 159     return 1;
 160  err:
 161     return 0;
 162 }
 163
 164 /*
 165  * print session id and master key in NSS keylog format (RSA
 166  * Session-ID:<session id> Master-Key:<master key>)
 167  */
 168 int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x)
 169 {
 170     size_t i;
 171
 172     if (x == NULL)
 173         goto err;
 174     if (x->session_id_length == 0 || x->master_key_length == 0)
 175         goto err;
 176
 177     /*
 178      * the RSA prefix is required by the format's definition although there's
 179      * nothing RSA-specific in the output, therefore, we don't have to check if
 180      * the cipher suite is based on RSA
 181      */
 182     if (BIO_puts(bp, "RSA ") <= 0)
 183         goto err;
 184
 185     if (BIO_puts(bp, "Session-ID:") <= 0)
 186         goto err;
 187     for (i = 0; i < x->session_id_length; i++) {
 188         if (BIO_printf(bp, "%02X", x->session_id[i]) <= 0)
 189             goto err;
 190     }
 191     if (BIO_puts(bp, " Master-Key:") <= 0)
 192         goto err;
 193     for (i = 0; i < x->master_key_length; i++) {
 194         if (BIO_printf(bp, "%02X", x->master_key[i]) <= 0)
 195             goto err;
 196     }
 197     if (BIO_puts(bp, "\n") <= 0)
 198         goto err;
 199
 200     return 1;
 201  err:
 202     return 0;
 203 }