| /* 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.] |
| */ |
| /* ==================================================================== |
| * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. |
| * |
| * 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 above 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 acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * openssl-core@openssl.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED 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 OpenSSL PROJECT OR |
| * ITS 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. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| |
| /* callback functions used by s_client, s_server, and s_time */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <assert.h> |
| #include <string.h> /* for memcpy() and strcmp() */ |
| #define USE_SOCKETS |
| #include "apps.h" |
| #undef USE_SOCKETS |
| #include <openssl/err.h> |
| #include <openssl/rand.h> |
| #include <openssl/x509.h> |
| #include <openssl/ssl.h> |
| #include <openssl/bn.h> |
| #ifndef OPENSSL_NO_DH |
| # include <openssl/dh.h> |
| #endif |
| #include "s_apps.h" |
| |
| #define COOKIE_SECRET_LENGTH 16 |
| |
| int verify_depth = 0; |
| int verify_quiet = 0; |
| int verify_error = X509_V_OK; |
| int verify_return_error = 0; |
| unsigned char cookie_secret[COOKIE_SECRET_LENGTH]; |
| int cookie_initialized = 0; |
| |
| static const char *lookup(int val, const STRINT_PAIR* list, const char* def) |
| { |
| for ( ; list->name; ++list) |
| if (list->retval == val) |
| return list->name; |
| return def; |
| } |
| |
| int verify_callback(int ok, X509_STORE_CTX *ctx) |
| { |
| X509 *err_cert; |
| int err, depth; |
| |
| err_cert = X509_STORE_CTX_get_current_cert(ctx); |
| err = X509_STORE_CTX_get_error(ctx); |
| depth = X509_STORE_CTX_get_error_depth(ctx); |
| |
| if (!verify_quiet || !ok) { |
| BIO_printf(bio_err, "depth=%d ", depth); |
| if (err_cert) { |
| X509_NAME_print_ex(bio_err, |
| X509_get_subject_name(err_cert), |
| 0, XN_FLAG_ONELINE); |
| BIO_puts(bio_err, "\n"); |
| } else |
| BIO_puts(bio_err, "<no cert>\n"); |
| } |
| if (!ok) { |
| BIO_printf(bio_err, "verify error:num=%d:%s\n", err, |
| X509_verify_cert_error_string(err)); |
| if (verify_depth >= depth) { |
| if (!verify_return_error) |
| ok = 1; |
| verify_error = X509_V_OK; |
| } else { |
| ok = 0; |
| verify_error = X509_V_ERR_CERT_CHAIN_TOO_LONG; |
| } |
| } |
| switch (err) { |
| case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: |
| BIO_puts(bio_err, "issuer= "); |
| X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert), |
| 0, XN_FLAG_ONELINE); |
| BIO_puts(bio_err, "\n"); |
| break; |
| case X509_V_ERR_CERT_NOT_YET_VALID: |
| case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: |
| BIO_printf(bio_err, "notBefore="); |
| ASN1_TIME_print(bio_err, X509_get_notBefore(err_cert)); |
| BIO_printf(bio_err, "\n"); |
| break; |
| case X509_V_ERR_CERT_HAS_EXPIRED: |
| case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: |
| BIO_printf(bio_err, "notAfter="); |
| ASN1_TIME_print(bio_err, X509_get_notAfter(err_cert)); |
| BIO_printf(bio_err, "\n"); |
| break; |
| case X509_V_ERR_NO_EXPLICIT_POLICY: |
| if (!verify_quiet) |
| policies_print(ctx); |
| break; |
| } |
| if (err == X509_V_OK && ok == 2 && !verify_quiet) |
| policies_print(ctx); |
| if (ok && !verify_quiet) |
| BIO_printf(bio_err, "verify return:%d\n", ok); |
| return (ok); |
| } |
| |
| int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file) |
| { |
| if (cert_file != NULL) { |
| if (SSL_CTX_use_certificate_file(ctx, cert_file, |
| SSL_FILETYPE_PEM) <= 0) { |
| BIO_printf(bio_err, "unable to get certificate from '%s'\n", |
| cert_file); |
| ERR_print_errors(bio_err); |
| return (0); |
| } |
| if (key_file == NULL) |
| key_file = cert_file; |
| if (SSL_CTX_use_PrivateKey_file(ctx, key_file, SSL_FILETYPE_PEM) <= 0) { |
| BIO_printf(bio_err, "unable to get private key from '%s'\n", |
| key_file); |
| ERR_print_errors(bio_err); |
| return (0); |
| } |
| |
| /* |
| * If we are using DSA, we can copy the parameters from the private |
| * key |
| */ |
| |
| /* |
| * Now we know that a key and cert have been set against the SSL |
| * context |
| */ |
| if (!SSL_CTX_check_private_key(ctx)) { |
| BIO_printf(bio_err, |
| "Private key does not match the certificate public key\n"); |
| return (0); |
| } |
| } |
| return (1); |
| } |
| |
| int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key, |
| STACK_OF(X509) *chain, int build_chain) |
| { |
| int chflags = chain ? SSL_BUILD_CHAIN_FLAG_CHECK : 0; |
| if (cert == NULL) |
| return 1; |
| if (SSL_CTX_use_certificate(ctx, cert) <= 0) { |
| BIO_printf(bio_err, "error setting certificate\n"); |
| ERR_print_errors(bio_err); |
| return 0; |
| } |
| |
| if (SSL_CTX_use_PrivateKey(ctx, key) <= 0) { |
| BIO_printf(bio_err, "error setting private key\n"); |
| ERR_print_errors(bio_err); |
| return 0; |
| } |
| |
| /* |
| * Now we know that a key and cert have been set against the SSL context |
| */ |
| if (!SSL_CTX_check_private_key(ctx)) { |
| BIO_printf(bio_err, |
| "Private key does not match the certificate public key\n"); |
| return 0; |
| } |
| if (chain && !SSL_CTX_set1_chain(ctx, chain)) { |
| BIO_printf(bio_err, "error setting certificate chain\n"); |
| ERR_print_errors(bio_err); |
| return 0; |
| } |
| if (build_chain && !SSL_CTX_build_cert_chain(ctx, chflags)) { |
| BIO_printf(bio_err, "error building certificate chain\n"); |
| ERR_print_errors(bio_err); |
| return 0; |
| } |
| return 1; |
| } |
| |
| static STRINT_PAIR cert_type_list[] = { |
| {"RSA sign", TLS_CT_RSA_SIGN}, |
| {"DSA sign", TLS_CT_DSS_SIGN}, |
| {"RSA fixed DH", TLS_CT_RSA_FIXED_DH}, |
| {"DSS fixed DH", TLS_CT_DSS_FIXED_DH}, |
| {"ECDSA sign", TLS_CT_ECDSA_SIGN}, |
| {"RSA fixed ECDH", TLS_CT_RSA_FIXED_ECDH}, |
| {"ECDSA fixed ECDH", TLS_CT_ECDSA_FIXED_ECDH}, |
| {"GOST94 Sign", TLS_CT_GOST94_SIGN}, |
| {"GOST01 Sign", TLS_CT_GOST01_SIGN}, |
| {NULL} |
| }; |
| |
| static void ssl_print_client_cert_types(BIO *bio, SSL *s) |
| { |
| const unsigned char *p; |
| int i; |
| int cert_type_num = SSL_get0_certificate_types(s, &p); |
| if (!cert_type_num) |
| return; |
| BIO_puts(bio, "Client Certificate Types: "); |
| for (i = 0; i < cert_type_num; i++) { |
| unsigned char cert_type = p[i]; |
| const char *cname = lookup((int)cert_type, cert_type_list, NULL); |
| |
| if (i) |
| BIO_puts(bio, ", "); |
| if (cname) |
| BIO_puts(bio, cname); |
| else |
| BIO_printf(bio, "UNKNOWN (%d),", cert_type); |
| } |
| BIO_puts(bio, "\n"); |
| } |
| |
| static int do_print_sigalgs(BIO *out, SSL *s, int shared) |
| { |
| int i, nsig, client; |
| client = SSL_is_server(s) ? 0 : 1; |
| if (shared) |
| nsig = SSL_get_shared_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL); |
| else |
| nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL); |
| if (nsig == 0) |
| return 1; |
| |
| if (shared) |
| BIO_puts(out, "Shared "); |
| |
| if (client) |
| BIO_puts(out, "Requested "); |
| BIO_puts(out, "Signature Algorithms: "); |
| for (i = 0; i < nsig; i++) { |
| int hash_nid, sign_nid; |
| unsigned char rhash, rsign; |
| const char *sstr = NULL; |
| if (shared) |
| SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL, |
| &rsign, &rhash); |
| else |
| SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL, &rsign, &rhash); |
| if (i) |
| BIO_puts(out, ":"); |
| if (sign_nid == EVP_PKEY_RSA) |
| sstr = "RSA"; |
| else if (sign_nid == EVP_PKEY_DSA) |
| sstr = "DSA"; |
| else if (sign_nid == EVP_PKEY_EC) |
| sstr = "ECDSA"; |
| if (sstr) |
| BIO_printf(out, "%s+", sstr); |
| else |
| BIO_printf(out, "0x%02X+", (int)rsign); |
| if (hash_nid != NID_undef) |
| BIO_printf(out, "%s", OBJ_nid2sn(hash_nid)); |
| else |
| BIO_printf(out, "0x%02X", (int)rhash); |
| } |
| BIO_puts(out, "\n"); |
| return 1; |
| } |
| |
| int ssl_print_sigalgs(BIO *out, SSL *s) |
| { |
| int mdnid; |
| if (!SSL_is_server(s)) |
| ssl_print_client_cert_types(out, s); |
| do_print_sigalgs(out, s, 0); |
| do_print_sigalgs(out, s, 1); |
| if (SSL_get_peer_signature_nid(s, &mdnid)) |
| BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(mdnid)); |
| return 1; |
| } |
| |
| #ifndef OPENSSL_NO_EC |
| int ssl_print_point_formats(BIO *out, SSL *s) |
| { |
| int i, nformats; |
| const char *pformats; |
| nformats = SSL_get0_ec_point_formats(s, &pformats); |
| if (nformats <= 0) |
| return 1; |
| BIO_puts(out, "Supported Elliptic Curve Point Formats: "); |
| for (i = 0; i < nformats; i++, pformats++) { |
| if (i) |
| BIO_puts(out, ":"); |
| switch (*pformats) { |
| case TLSEXT_ECPOINTFORMAT_uncompressed: |
| BIO_puts(out, "uncompressed"); |
| break; |
| |
| case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime: |
| BIO_puts(out, "ansiX962_compressed_prime"); |
| break; |
| |
| case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2: |
| BIO_puts(out, "ansiX962_compressed_char2"); |
| break; |
| |
| default: |
| BIO_printf(out, "unknown(%d)", (int)*pformats); |
| break; |
| |
| } |
| } |
| if (nformats <= 0) |
| BIO_puts(out, "NONE"); |
| BIO_puts(out, "\n"); |
| return 1; |
| } |
| |
| int ssl_print_curves(BIO *out, SSL *s, int noshared) |
| { |
| int i, ncurves, *curves, nid; |
| const char *cname; |
| |
| ncurves = SSL_get1_curves(s, NULL); |
| if (ncurves <= 0) |
| return 1; |
| curves = app_malloc(ncurves * sizeof(int), "curves to print"); |
| SSL_get1_curves(s, curves); |
| |
| BIO_puts(out, "Supported Elliptic Curves: "); |
| for (i = 0; i < ncurves; i++) { |
| if (i) |
| BIO_puts(out, ":"); |
| nid = curves[i]; |
| /* If unrecognised print out hex version */ |
| if (nid & TLSEXT_nid_unknown) |
| BIO_printf(out, "0x%04X", nid & 0xFFFF); |
| else { |
| /* Use NIST name for curve if it exists */ |
| cname = EC_curve_nid2nist(nid); |
| if (!cname) |
| cname = OBJ_nid2sn(nid); |
| BIO_printf(out, "%s", cname); |
| } |
| } |
| if (ncurves == 0) |
| BIO_puts(out, "NONE"); |
| OPENSSL_free(curves); |
| if (noshared) { |
| BIO_puts(out, "\n"); |
| return 1; |
| } |
| BIO_puts(out, "\nShared Elliptic curves: "); |
| ncurves = SSL_get_shared_curve(s, -1); |
| for (i = 0; i < ncurves; i++) { |
| if (i) |
| BIO_puts(out, ":"); |
| nid = SSL_get_shared_curve(s, i); |
| cname = EC_curve_nid2nist(nid); |
| if (!cname) |
| cname = OBJ_nid2sn(nid); |
| BIO_printf(out, "%s", cname); |
| } |
| if (ncurves == 0) |
| BIO_puts(out, "NONE"); |
| BIO_puts(out, "\n"); |
| return 1; |
| } |
| #endif |
| int ssl_print_tmp_key(BIO *out, SSL *s) |
| { |
| EVP_PKEY *key; |
| if (!SSL_get_server_tmp_key(s, &key)) |
| return 1; |
| BIO_puts(out, "Server Temp Key: "); |
| switch (EVP_PKEY_id(key)) { |
| case EVP_PKEY_RSA: |
| BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key)); |
| break; |
| |
| case EVP_PKEY_DH: |
| BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key)); |
| break; |
| #ifndef OPENSSL_NO_EC |
| case EVP_PKEY_EC: |
| { |
| EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key); |
| int nid; |
| const char *cname; |
| nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); |
| EC_KEY_free(ec); |
| cname = EC_curve_nid2nist(nid); |
| if (!cname) |
| cname = OBJ_nid2sn(nid); |
| BIO_printf(out, "ECDH, %s, %d bits\n", cname, EVP_PKEY_bits(key)); |
| } |
| #endif |
| } |
| EVP_PKEY_free(key); |
| return 1; |
| } |
| |
| long bio_dump_callback(BIO *bio, int cmd, const char *argp, |
| int argi, long argl, long ret) |
| { |
| BIO *out; |
| |
| out = (BIO *)BIO_get_callback_arg(bio); |
| if (out == NULL) |
| return (ret); |
| |
| if (cmd == (BIO_CB_READ | BIO_CB_RETURN)) { |
| BIO_printf(out, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n", |
| (void *)bio, argp, (unsigned long)argi, ret, ret); |
| BIO_dump(out, argp, (int)ret); |
| return (ret); |
| } else if (cmd == (BIO_CB_WRITE | BIO_CB_RETURN)) { |
| BIO_printf(out, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n", |
| (void *)bio, argp, (unsigned long)argi, ret, ret); |
| BIO_dump(out, argp, (int)ret); |
| } |
| return (ret); |
| } |
| |
| void apps_ssl_info_callback(const SSL *s, int where, int ret) |
| { |
| const char *str; |
| int w; |
| |
| w = where & ~SSL_ST_MASK; |
| |
| if (w & SSL_ST_CONNECT) |
| str = "SSL_connect"; |
| else if (w & SSL_ST_ACCEPT) |
| str = "SSL_accept"; |
| else |
| str = "undefined"; |
| |
| if (where & SSL_CB_LOOP) { |
| BIO_printf(bio_err, "%s:%s\n", str, SSL_state_string_long(s)); |
| } else if (where & SSL_CB_ALERT) { |
| str = (where & SSL_CB_READ) ? "read" : "write"; |
| BIO_printf(bio_err, "SSL3 alert %s:%s:%s\n", |
| str, |
| SSL_alert_type_string_long(ret), |
| SSL_alert_desc_string_long(ret)); |
| } else if (where & SSL_CB_EXIT) { |
| if (ret == 0) |
| BIO_printf(bio_err, "%s:failed in %s\n", |
| str, SSL_state_string_long(s)); |
| else if (ret < 0) { |
| BIO_printf(bio_err, "%s:error in %s\n", |
| str, SSL_state_string_long(s)); |
| } |
| } |
| } |
| |
| static STRINT_PAIR ssl_versions[] = { |
| {"SSL 3.0", SSL3_VERSION}, |
| {"TLS 1.0", TLS1_VERSION}, |
| {"TLS 1.1", TLS1_1_VERSION}, |
| {"TLS 1.2", TLS1_2_VERSION}, |
| {"DTLS 1.0", DTLS1_VERSION}, |
| {"DTLS 1.0 (bad)", DTLS1_BAD_VER}, |
| {NULL} |
| }; |
| static STRINT_PAIR alert_types[] = { |
| {" close_notify", 0}, |
| {" unexpected_message", 10}, |
| {" bad_record_mac", 20}, |
| {" decryption_failed", 21}, |
| {" record_overflow", 22}, |
| {" decompression_failure", 30}, |
| {" handshake_failure", 40}, |
| {" bad_certificate", 42}, |
| {" unsupported_certificate", 43}, |
| {" certificate_revoked", 44}, |
| {" certificate_expired", 45}, |
| {" certificate_unknown", 46}, |
| {" illegal_parameter", 47}, |
| {" unknown_ca", 48}, |
| {" access_denied", 49}, |
| {" decode_error", 50}, |
| {" decrypt_error", 51}, |
| {" export_restriction", 60}, |
| {" protocol_version", 70}, |
| {" insufficient_security", 71}, |
| {" internal_error", 80}, |
| {" user_canceled", 90}, |
| {" no_renegotiation", 100}, |
| {" unsupported_extension", 110}, |
| {" certificate_unobtainable", 111}, |
| {" unrecognized_name", 112}, |
| {" bad_certificate_status_response", 113}, |
| {" bad_certificate_hash_value", 114}, |
| {" unknown_psk_identity", 115}, |
| {NULL} |
| }; |
| |
| static STRINT_PAIR handshakes[] = { |
| {", HelloRequest", 0}, |
| {", ClientHello", 1}, |
| {", ServerHello", 2}, |
| {", HelloVerifyRequest", 3}, |
| {", Certificate", 11}, |
| {", ServerKeyExchange", 12}, |
| {", CertificateRequest", 13}, |
| {", ServerHelloDone", 14}, |
| {", CertificateVerify", 15}, |
| {", ClientKeyExchange", 16}, |
| {", Finished", 20}, |
| {NULL} |
| }; |
| |
| void msg_cb(int write_p, int version, int content_type, const void *buf, |
| size_t len, SSL *ssl, void *arg) |
| { |
| BIO *bio = arg; |
| const char *str_write_p = write_p ? ">>>" : "<<<"; |
| const char *str_version = lookup(version, ssl_versions, "???"); |
| const char *str_content_type = "", *str_details1 = "", *str_details2 = ""; |
| const unsigned char* bp = buf; |
| |
| if (version == SSL3_VERSION || |
| version == TLS1_VERSION || |
| version == TLS1_1_VERSION || |
| version == TLS1_2_VERSION || |
| version == DTLS1_VERSION || version == DTLS1_BAD_VER) { |
| switch (content_type) { |
| case 20: |
| str_content_type = "ChangeCipherSpec"; |
| break; |
| case 21: |
| str_content_type = "Alert"; |
| str_details1 = ", ???"; |
| if (len == 2) { |
| switch (bp[0]) { |
| case 1: |
| str_details1 = ", warning"; |
| break; |
| case 2: |
| str_details1 = ", fatal"; |
| break; |
| } |
| str_details2 = lookup((int)bp[1], alert_types, " ???"); |
| } |
| break; |
| case 22: |
| str_content_type = "Handshake"; |
| str_details1 = "???"; |
| if (len > 0) |
| str_details1 = lookup((int)bp[0], handshakes, "???"); |
| break; |
| #ifndef OPENSSL_NO_HEARTBEATS |
| case 24: |
| str_details1 = ", Heartbeat"; |
| |
| if (len > 0) { |
| switch (bp[0]) { |
| case 1: |
| str_details1 = ", HeartbeatRequest"; |
| break; |
| case 2: |
| str_details1 = ", HeartbeatResponse"; |
| break; |
| } |
| } |
| break; |
| #endif |
| } |
| } |
| |
| BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version, |
| str_content_type, (unsigned long)len, str_details1, |
| str_details2); |
| |
| if (len > 0) { |
| size_t num, i; |
| |
| BIO_printf(bio, " "); |
| num = len; |
| for (i = 0; i < num; i++) { |
| if (i % 16 == 0 && i > 0) |
| BIO_printf(bio, "\n "); |
| BIO_printf(bio, " %02x", ((const unsigned char *)buf)[i]); |
| } |
| if (i < len) |
| BIO_printf(bio, " ..."); |
| BIO_printf(bio, "\n"); |
| } |
| (void)BIO_flush(bio); |
| } |
| |
| static STRINT_PAIR tlsext_types[] = { |
| {"server name", TLSEXT_TYPE_server_name}, |
| {"max fragment length", TLSEXT_TYPE_max_fragment_length}, |
| {"client certificate URL", TLSEXT_TYPE_client_certificate_url}, |
| {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys}, |
| {"truncated HMAC", TLSEXT_TYPE_truncated_hmac}, |
| {"status request", TLSEXT_TYPE_status_request}, |
| {"user mapping", TLSEXT_TYPE_user_mapping}, |
| {"client authz", TLSEXT_TYPE_client_authz}, |
| {"server authz", TLSEXT_TYPE_server_authz}, |
| {"cert type", TLSEXT_TYPE_cert_type}, |
| {"elliptic curves", TLSEXT_TYPE_elliptic_curves}, |
| {"EC point formats", TLSEXT_TYPE_ec_point_formats}, |
| {"SRP", TLSEXT_TYPE_srp}, |
| {"signature algorithms", TLSEXT_TYPE_signature_algorithms}, |
| {"use SRTP", TLSEXT_TYPE_use_srtp}, |
| {"heartbeat", TLSEXT_TYPE_heartbeat}, |
| {"session ticket", TLSEXT_TYPE_session_ticket}, |
| {"renegotiation info", TLSEXT_TYPE_renegotiate}, |
| {"TLS padding", TLSEXT_TYPE_padding}, |
| #ifdef TLSEXT_TYPE_next_proto_neg |
| {"next protocol", TLSEXT_TYPE_next_proto_neg}, |
| #endif |
| #ifdef TLSEXT_TYPE_encrypt_then_mac |
| {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac}, |
| #endif |
| {NULL} |
| }; |
| |
| void tlsext_cb(SSL *s, int client_server, int type, |
| unsigned char *data, int len, void *arg) |
| { |
| BIO *bio = arg; |
| const char *extname = lookup(type, tlsext_types, "unknown"); |
| |
| BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n", |
| client_server ? "server" : "client", extname, type, len); |
| BIO_dump(bio, (char *)data, len); |
| (void)BIO_flush(bio); |
| } |
| |
| int generate_cookie_callback(SSL *ssl, unsigned char *cookie, |
| unsigned int *cookie_len) |
| { |
| unsigned char *buffer, result[EVP_MAX_MD_SIZE]; |
| unsigned int length, resultlength; |
| union { |
| struct sockaddr sa; |
| struct sockaddr_in s4; |
| #if OPENSSL_USE_IPV6 |
| struct sockaddr_in6 s6; |
| #endif |
| } peer; |
| |
| /* Initialize a random secret */ |
| if (!cookie_initialized) { |
| if (RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH) <= 0) { |
| BIO_printf(bio_err, "error setting random cookie secret\n"); |
| return 0; |
| } |
| cookie_initialized = 1; |
| } |
| |
| /* Read peer information */ |
| (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer); |
| |
| /* Create buffer with peer's address and port */ |
| length = 0; |
| switch (peer.sa.sa_family) { |
| case AF_INET: |
| length += sizeof(struct in_addr); |
| length += sizeof(peer.s4.sin_port); |
| break; |
| #if OPENSSL_USE_IPV6 |
| case AF_INET6: |
| length += sizeof(struct in6_addr); |
| length += sizeof(peer.s6.sin6_port); |
| break; |
| #endif |
| default: |
| OPENSSL_assert(0); |
| break; |
| } |
| buffer = app_malloc(length, "cookie generate buffer"); |
| |
| switch (peer.sa.sa_family) { |
| case AF_INET: |
| memcpy(buffer, &peer.s4.sin_port, sizeof(peer.s4.sin_port)); |
| memcpy(buffer + sizeof(peer.s4.sin_port), |
| &peer.s4.sin_addr, sizeof(struct in_addr)); |
| break; |
| #if OPENSSL_USE_IPV6 |
| case AF_INET6: |
| memcpy(buffer, &peer.s6.sin6_port, sizeof(peer.s6.sin6_port)); |
| memcpy(buffer + sizeof(peer.s6.sin6_port), |
| &peer.s6.sin6_addr, sizeof(struct in6_addr)); |
| break; |
| #endif |
| default: |
| OPENSSL_assert(0); |
| break; |
| } |
| |
| /* Calculate HMAC of buffer using the secret */ |
| HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH, |
| buffer, length, result, &resultlength); |
| OPENSSL_free(buffer); |
| |
| memcpy(cookie, result, resultlength); |
| *cookie_len = resultlength; |
| |
| return 1; |
| } |
| |
| int verify_cookie_callback(SSL *ssl, unsigned char *cookie, |
| unsigned int cookie_len) |
| { |
| unsigned char *buffer, result[EVP_MAX_MD_SIZE]; |
| unsigned int length, resultlength; |
| union { |
| struct sockaddr sa; |
| struct sockaddr_in s4; |
| #if OPENSSL_USE_IPV6 |
| struct sockaddr_in6 s6; |
| #endif |
| } peer; |
| |
| /* If secret isn't initialized yet, the cookie can't be valid */ |
| if (!cookie_initialized) |
| return 0; |
| |
| /* Read peer information */ |
| (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer); |
| |
| /* Create buffer with peer's address and port */ |
| length = 0; |
| switch (peer.sa.sa_family) { |
| case AF_INET: |
| length += sizeof(struct in_addr); |
| length += sizeof(peer.s4.sin_port); |
| break; |
| #if OPENSSL_USE_IPV6 |
| case AF_INET6: |
| length += sizeof(struct in6_addr); |
| length += sizeof(peer.s6.sin6_port); |
| break; |
| #endif |
| default: |
| OPENSSL_assert(0); |
| break; |
| } |
| buffer = app_malloc(length, "cookie verify buffer"); |
| |
| switch (peer.sa.sa_family) { |
| case AF_INET: |
| memcpy(buffer, &peer.s4.sin_port, sizeof(peer.s4.sin_port)); |
| memcpy(buffer + sizeof(peer.s4.sin_port), |
| &peer.s4.sin_addr, sizeof(struct in_addr)); |
| break; |
| #if OPENSSL_USE_IPV6 |
| case AF_INET6: |
| memcpy(buffer, &peer.s6.sin6_port, sizeof(peer.s6.sin6_port)); |
| memcpy(buffer + sizeof(peer.s6.sin6_port), |
| &peer.s6.sin6_addr, sizeof(struct in6_addr)); |
| break; |
| #endif |
| default: |
| OPENSSL_assert(0); |
| break; |
| } |
| |
| /* Calculate HMAC of buffer using the secret */ |
| HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH, |
| buffer, length, result, &resultlength); |
| OPENSSL_free(buffer); |
| |
| if (cookie_len == resultlength |
| && memcmp(result, cookie, resultlength) == 0) |
| return 1; |
| |
| return 0; |
| } |
| |
| /* |
| * Example of extended certificate handling. Where the standard support of |
| * one certificate per algorithm is not sufficient an application can decide |
| * which certificate(s) to use at runtime based on whatever criteria it deems |
| * appropriate. |
| */ |
| |
| /* Linked list of certificates, keys and chains */ |
| struct ssl_excert_st { |
| int certform; |
| const char *certfile; |
| int keyform; |
| const char *keyfile; |
| const char *chainfile; |
| X509 *cert; |
| EVP_PKEY *key; |
| STACK_OF(X509) *chain; |
| int build_chain; |
| struct ssl_excert_st *next, *prev; |
| }; |
| |
| static STRINT_PAIR chain_flags[] = { |
| {"Overall Validity", CERT_PKEY_VALID}, |
| {"Sign with EE key", CERT_PKEY_SIGN}, |
| {"EE signature", CERT_PKEY_EE_SIGNATURE}, |
| {"CA signature", CERT_PKEY_CA_SIGNATURE}, |
| {"EE key parameters", CERT_PKEY_EE_PARAM}, |
| {"CA key parameters", CERT_PKEY_CA_PARAM}, |
| {"Explicity sign with EE key", CERT_PKEY_EXPLICIT_SIGN}, |
| {"Issuer Name", CERT_PKEY_ISSUER_NAME}, |
| {"Certificate Type", CERT_PKEY_CERT_TYPE}, |
| {NULL} |
| }; |
| |
| static void print_chain_flags(SSL *s, int flags) |
| { |
| STRINT_PAIR *pp; |
| |
| for (pp = chain_flags; pp->name; ++pp) |
| BIO_printf(bio_err, "\t%s: %s\n", |
| pp->name, |
| (flags & pp->retval) ? "OK" : "NOT OK"); |
| BIO_printf(bio_err, "\tSuite B: "); |
| if (SSL_set_cert_flags(s, 0) & SSL_CERT_FLAG_SUITEB_128_LOS) |
| BIO_puts(bio_err, flags & CERT_PKEY_SUITEB ? "OK\n" : "NOT OK\n"); |
| else |
| BIO_printf(bio_err, "not tested\n"); |
| } |
| |
| /* |
| * Very basic selection callback: just use any certificate chain reported as |
| * valid. More sophisticated could prioritise according to local policy. |
| */ |
| static int set_cert_cb(SSL *ssl, void *arg) |
| { |
| int i, rv; |
| SSL_EXCERT *exc = arg; |
| #ifdef CERT_CB_TEST_RETRY |
| static int retry_cnt; |
| if (retry_cnt < 5) { |
| retry_cnt++; |
| fprintf(stderr, "Certificate callback retry test: count %d\n", |
| retry_cnt); |
| return -1; |
| } |
| #endif |
| SSL_certs_clear(ssl); |
| |
| if (!exc) |
| return 1; |
| |
| /* |
| * Go to end of list and traverse backwards since we prepend newer |
| * entries this retains the original order. |
| */ |
| while (exc->next) |
| exc = exc->next; |
| |
| i = 0; |
| |
| while (exc) { |
| i++; |
| rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain); |
| BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i); |
| X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0, |
| XN_FLAG_ONELINE); |
| BIO_puts(bio_err, "\n"); |
| print_chain_flags(ssl, rv); |
| if (rv & CERT_PKEY_VALID) { |
| if (!SSL_use_certificate(ssl, exc->cert) |
| || !SSL_use_PrivateKey(ssl, exc->key)) { |
| return 0; |
| } |
| /* |
| * NB: we wouldn't normally do this as it is not efficient |
| * building chains on each connection better to cache the chain |
| * in advance. |
| */ |
| if (exc->build_chain) { |
| if (!SSL_build_cert_chain(ssl, 0)) |
| return 0; |
| } else if (exc->chain) |
| SSL_set1_chain(ssl, exc->chain); |
| } |
| exc = exc->prev; |
| } |
| return 1; |
| } |
| |
| void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc) |
| { |
| SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc); |
| } |
| |
| static int ssl_excert_prepend(SSL_EXCERT **pexc) |
| { |
| SSL_EXCERT *exc = app_malloc(sizeof(*exc), "prepend cert"); |
| |
| exc->certfile = NULL; |
| exc->keyfile = NULL; |
| exc->chainfile = NULL; |
| exc->cert = NULL; |
| exc->key = NULL; |
| exc->chain = NULL; |
| exc->prev = NULL; |
| exc->build_chain = 0; |
| |
| exc->next = *pexc; |
| *pexc = exc; |
| |
| if (exc->next) { |
| exc->certform = exc->next->certform; |
| exc->keyform = exc->next->keyform; |
| exc->next->prev = exc; |
| } else { |
| exc->certform = FORMAT_PEM; |
| exc->keyform = FORMAT_PEM; |
| } |
| return 1; |
| |
| } |
| |
| void ssl_excert_free(SSL_EXCERT *exc) |
| { |
| SSL_EXCERT *curr; |
| |
| if (!exc) |
| return; |
| while (exc) { |
| X509_free(exc->cert); |
| EVP_PKEY_free(exc->key); |
| sk_X509_pop_free(exc->chain, X509_free); |
| curr = exc; |
| exc = exc->next; |
| OPENSSL_free(curr); |
| } |
| } |
| |
| int load_excert(SSL_EXCERT **pexc) |
| { |
| SSL_EXCERT *exc = *pexc; |
| if (!exc) |
| return 1; |
| /* If nothing in list, free and set to NULL */ |
| if (!exc->certfile && !exc->next) { |
| ssl_excert_free(exc); |
| *pexc = NULL; |
| return 1; |
| } |
| for (; exc; exc = exc->next) { |
| if (!exc->certfile) { |
| BIO_printf(bio_err, "Missing filename\n"); |
| return 0; |
| } |
| exc->cert = load_cert(exc->certfile, exc->certform, |
| NULL, NULL, "Server Certificate"); |
| if (!exc->cert) |
| return 0; |
| if (exc->keyfile) { |
| exc->key = load_key(exc->keyfile, exc->keyform, |
| 0, NULL, NULL, "Server Key"); |
| } else { |
| exc->key = load_key(exc->certfile, exc->certform, |
| 0, NULL, NULL, "Server Key"); |
| } |
| if (!exc->key) |
| return 0; |
| if (exc->chainfile) { |
| exc->chain = load_certs(exc->chainfile, FORMAT_PEM, |
| NULL, NULL, "Server Chain"); |
| if (!exc->chain) |
| return 0; |
| } |
| } |
| return 1; |
| } |
| |
| enum range { OPT_X_ENUM }; |
| |
| int args_excert(int opt, SSL_EXCERT **pexc) |
| { |
| SSL_EXCERT *exc = *pexc; |
| |
| assert(opt > OPT_X__FIRST); |
| assert(opt < OPT_X__LAST); |
| |
| if (exc == NULL) { |
| if (!ssl_excert_prepend(&exc)) { |
| BIO_printf(bio_err, " %s: Error initialising xcert\n", |
| opt_getprog()); |
| goto err; |
| } |
| *pexc = exc; |
| } |
| |
| switch ((enum range)opt) { |
| case OPT_X__FIRST: |
| case OPT_X__LAST: |
| return 0; |
| case OPT_X_CERT: |
| if (exc->certfile && !ssl_excert_prepend(&exc)) { |
| BIO_printf(bio_err, "%s: Error adding xcert\n", opt_getprog()); |
| goto err; |
| } |
| exc->certfile = opt_arg(); |
| break; |
| case OPT_X_KEY: |
| if (exc->keyfile) { |
| BIO_printf(bio_err, "%s: Key already specified\n", opt_getprog()); |
| goto err; |
| } |
| exc->keyfile = opt_arg(); |
| break; |
| case OPT_X_CHAIN: |
| if (exc->chainfile) { |
| BIO_printf(bio_err, "%s: Chain already specified\n", |
| opt_getprog()); |
| goto err; |
| } |
| exc->chainfile = opt_arg(); |
| break; |
| case OPT_X_CHAIN_BUILD: |
| exc->build_chain = 1; |
| break; |
| case OPT_X_CERTFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->certform)) |
| return 0; |
| break; |
| case OPT_X_KEYFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->keyform)) |
| return 0; |
| break; |
| } |
| return 1; |
| |
| err: |
| ERR_print_errors(bio_err); |
| ssl_excert_free(exc); |
| *pexc = NULL; |
| return 0; |
| } |
| |
| static void print_raw_cipherlist(SSL *s) |
| { |
| const unsigned char *rlist; |
| static const unsigned char scsv_id[] = { 0, 0, 0xFF }; |
| size_t i, rlistlen, num; |
| if (!SSL_is_server(s)) |
| return; |
| num = SSL_get0_raw_cipherlist(s, NULL); |
| rlistlen = SSL_get0_raw_cipherlist(s, &rlist); |
| BIO_puts(bio_err, "Client cipher list: "); |
| for (i = 0; i < rlistlen; i += num, rlist += num) { |
| const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist); |
| if (i) |
| BIO_puts(bio_err, ":"); |
| if (c) |
| BIO_puts(bio_err, SSL_CIPHER_get_name(c)); |
| else if (!memcmp(rlist, scsv_id - num + 3, num)) |
| BIO_puts(bio_err, "SCSV"); |
| else { |
| size_t j; |
| BIO_puts(bio_err, "0x"); |
| for (j = 0; j < num; j++) |
| BIO_printf(bio_err, "%02X", rlist[j]); |
| } |
| } |
| BIO_puts(bio_err, "\n"); |
| } |
| |
| void print_ssl_summary(SSL *s) |
| { |
| const SSL_CIPHER *c; |
| X509 *peer; |
| /* const char *pnam = SSL_is_server(s) ? "client" : "server"; */ |
| |
| BIO_printf(bio_err, "Protocol version: %s\n", SSL_get_version(s)); |
| print_raw_cipherlist(s); |
| c = SSL_get_current_cipher(s); |
| BIO_printf(bio_err, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c)); |
| do_print_sigalgs(bio_err, s, 0); |
| peer = SSL_get_peer_certificate(s); |
| if (peer) { |
| int nid; |
| BIO_puts(bio_err, "Peer certificate: "); |
| X509_NAME_print_ex(bio_err, X509_get_subject_name(peer), |
| 0, XN_FLAG_ONELINE); |
| BIO_puts(bio_err, "\n"); |
| if (SSL_get_peer_signature_nid(s, &nid)) |
| BIO_printf(bio_err, "Hash used: %s\n", OBJ_nid2sn(nid)); |
| } else |
| BIO_puts(bio_err, "No peer certificate\n"); |
| X509_free(peer); |
| #ifndef OPENSSL_NO_EC |
| ssl_print_point_formats(bio_err, s); |
| if (SSL_is_server(s)) |
| ssl_print_curves(bio_err, s, 1); |
| else |
| ssl_print_tmp_key(bio_err, s); |
| #else |
| if (!SSL_is_server(s)) |
| ssl_print_tmp_key(bio_err, s); |
| #endif |
| } |
| |
| int config_ctx(SSL_CONF_CTX *cctx, STACK_OF(OPENSSL_STRING) *str, |
| SSL_CTX *ctx, int no_ecdhe, int no_jpake) |
| { |
| int i; |
| |
| SSL_CONF_CTX_set_ssl_ctx(cctx, ctx); |
| for (i = 0; i < sk_OPENSSL_STRING_num(str); i += 2) { |
| const char *flag = sk_OPENSSL_STRING_value(str, i); |
| const char *arg = sk_OPENSSL_STRING_value(str, i + 1); |
| /* If no_ecdhe or named curve already specified don't need a default. */ |
| if (!no_ecdhe && strcmp(flag, "-named_curve") == 0) |
| no_ecdhe = 1; |
| #ifndef OPENSSL_NO_JPAKE |
| if (!no_jpake && (strcmp(flag, "-cipher") == 0)) { |
| BIO_puts(bio_err, "JPAKE sets cipher to PSK\n"); |
| return 0; |
| } |
| #endif |
| if (SSL_CONF_cmd(cctx, flag, arg) <= 0) { |
| if (arg) |
| BIO_printf(bio_err, "Error with command: \"%s %s\"\n", |
| flag, arg); |
| else |
| BIO_printf(bio_err, "Error with command: \"%s\"\n", flag); |
| ERR_print_errors(bio_err); |
| return 0; |
| } |
| } |
| /* |
| * This is a special case to keep existing s_server functionality: if we |
| * don't have any curve specified *and* we haven't disabled ECDHE then |
| * use P-256. |
| */ |
| if (!no_ecdhe) { |
| if (SSL_CONF_cmd(cctx, "-named_curve", "P-256") <= 0) { |
| BIO_puts(bio_err, "Error setting EC curve\n"); |
| ERR_print_errors(bio_err); |
| return 0; |
| } |
| } |
| #ifndef OPENSSL_NO_JPAKE |
| if (!no_jpake) { |
| if (SSL_CONF_cmd(cctx, "-cipher", "PSK") <= 0) { |
| BIO_puts(bio_err, "Error setting cipher to PSK\n"); |
| ERR_print_errors(bio_err); |
| return 0; |
| } |
| } |
| #endif |
| if (!SSL_CONF_CTX_finish(cctx)) { |
| BIO_puts(bio_err, "Error finishing context\n"); |
| ERR_print_errors(bio_err); |
| return 0; |
| } |
| return 1; |
| } |
| |
| static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls) |
| { |
| X509_CRL *crl; |
| int i; |
| for (i = 0; i < sk_X509_CRL_num(crls); i++) { |
| crl = sk_X509_CRL_value(crls, i); |
| X509_STORE_add_crl(st, crl); |
| } |
| return 1; |
| } |
| |
| int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download) |
| { |
| X509_STORE *st; |
| st = SSL_CTX_get_cert_store(ctx); |
| add_crls_store(st, crls); |
| if (crl_download) |
| store_setup_crl_download(st); |
| return 1; |
| } |
| |
| int ssl_load_stores(SSL_CTX *ctx, |
| const char *vfyCApath, const char *vfyCAfile, |
| const char *chCApath, const char *chCAfile, |
| STACK_OF(X509_CRL) *crls, int crl_download) |
| { |
| X509_STORE *vfy = NULL, *ch = NULL; |
| int rv = 0; |
| if (vfyCApath || vfyCAfile) { |
| vfy = X509_STORE_new(); |
| if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath)) |
| goto err; |
| add_crls_store(vfy, crls); |
| SSL_CTX_set1_verify_cert_store(ctx, vfy); |
| if (crl_download) |
| store_setup_crl_download(vfy); |
| } |
| if (chCApath || chCAfile) { |
| ch = X509_STORE_new(); |
| if (!X509_STORE_load_locations(ch, chCAfile, chCApath)) |
| goto err; |
| SSL_CTX_set1_chain_cert_store(ctx, ch); |
| } |
| rv = 1; |
| err: |
| X509_STORE_free(vfy); |
| X509_STORE_free(ch); |
| return rv; |
| } |
| |
| /* Verbose print out of security callback */ |
| |
| typedef struct { |
| BIO *out; |
| int verbose; |
| int (*old_cb) (SSL *s, SSL_CTX *ctx, int op, int bits, int nid, |
| void *other, void *ex); |
| } security_debug_ex; |
| |
| static STRINT_PAIR callback_types[] = { |
| {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED}, |
| {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED}, |
| {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK}, |
| #ifndef OPENSSL_NO_DH |
| {"Temp DH key bits", SSL_SECOP_TMP_DH}, |
| #endif |
| {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED}, |
| {"Shared Curve", SSL_SECOP_CURVE_SHARED}, |
| {"Check Curve", SSL_SECOP_CURVE_CHECK}, |
| {"Supported Signature Algorithm digest", SSL_SECOP_SIGALG_SUPPORTED}, |
| {"Shared Signature Algorithm digest", SSL_SECOP_SIGALG_SHARED}, |
| {"Check Signature Algorithm digest", SSL_SECOP_SIGALG_CHECK}, |
| {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK}, |
| {"Certificate chain EE key", SSL_SECOP_EE_KEY}, |
| {"Certificate chain CA key", SSL_SECOP_CA_KEY}, |
| {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY}, |
| {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY}, |
| {"Certificate chain CA digest", SSL_SECOP_CA_MD}, |
| {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD}, |
| {"SSL compression", SSL_SECOP_COMPRESSION}, |
| {"Session ticket", SSL_SECOP_TICKET}, |
| {NULL} |
| }; |
| |
| static int security_callback_debug(SSL *s, SSL_CTX *ctx, |
| int op, int bits, int nid, |
| void *other, void *ex) |
| { |
| security_debug_ex *sdb = ex; |
| int rv, show_bits = 1, cert_md = 0; |
| const char *nm; |
| rv = sdb->old_cb(s, ctx, op, bits, nid, other, ex); |
| if (rv == 1 && sdb->verbose < 2) |
| return 1; |
| BIO_puts(sdb->out, "Security callback: "); |
| |
| nm = lookup(op, callback_types, NULL); |
| switch (op) { |
| case SSL_SECOP_TICKET: |
| case SSL_SECOP_COMPRESSION: |
| show_bits = 0; |
| nm = NULL; |
| break; |
| case SSL_SECOP_VERSION: |
| BIO_printf(sdb->out, "Version=%s", lookup(nid, ssl_versions, "???")); |
| show_bits = 0; |
| nm = NULL; |
| break; |
| case SSL_SECOP_CA_MD: |
| case SSL_SECOP_PEER_CA_MD: |
| cert_md = 1; |
| break; |
| } |
| if (nm) |
| BIO_printf(sdb->out, "%s=", nm); |
| |
| switch (op & SSL_SECOP_OTHER_TYPE) { |
| |
| case SSL_SECOP_OTHER_CIPHER: |
| BIO_puts(sdb->out, SSL_CIPHER_get_name(other)); |
| break; |
| |
| #ifndef OPENSSL_NO_EC |
| case SSL_SECOP_OTHER_CURVE: |
| { |
| const char *cname; |
| cname = EC_curve_nid2nist(nid); |
| if (cname == NULL) |
| cname = OBJ_nid2sn(nid); |
| BIO_puts(sdb->out, cname); |
| } |
| break; |
| #endif |
| |
| case SSL_SECOP_OTHER_DH: |
| { |
| DH *dh = other; |
| BIO_printf(sdb->out, "%d", BN_num_bits(dh->p)); |
| break; |
| } |
| case SSL_SECOP_OTHER_CERT: |
| { |
| if (cert_md) { |
| int sig_nid = X509_get_signature_nid(other); |
| BIO_puts(sdb->out, OBJ_nid2sn(sig_nid)); |
| } else { |
| EVP_PKEY *pkey = X509_get_pubkey(other); |
| const char *algname = ""; |
| EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, |
| &algname, EVP_PKEY_get0_asn1(pkey)); |
| BIO_printf(sdb->out, "%s, bits=%d", |
| algname, EVP_PKEY_bits(pkey)); |
| EVP_PKEY_free(pkey); |
| } |
| break; |
| } |
| case SSL_SECOP_OTHER_SIGALG: |
| { |
| const unsigned char *salg = other; |
| const char *sname = NULL; |
| switch (salg[1]) { |
| case TLSEXT_signature_anonymous: |
| sname = "anonymous"; |
| break; |
| case TLSEXT_signature_rsa: |
| sname = "RSA"; |
| break; |
| case TLSEXT_signature_dsa: |
| sname = "DSA"; |
| break; |
| case TLSEXT_signature_ecdsa: |
| sname = "ECDSA"; |
| break; |
| } |
| |
| BIO_puts(sdb->out, OBJ_nid2sn(nid)); |
| if (sname) |
| BIO_printf(sdb->out, ", algorithm=%s", sname); |
| else |
| BIO_printf(sdb->out, ", algid=%d", salg[1]); |
| break; |
| } |
| |
| } |
| |
| if (show_bits) |
| BIO_printf(sdb->out, ", security bits=%d", bits); |
| BIO_printf(sdb->out, ": %s\n", rv ? "yes" : "no"); |
| return rv; |
| } |
| |
| void ssl_ctx_security_debug(SSL_CTX *ctx, int verbose) |
| { |
| static security_debug_ex sdb; |
| |
| sdb.out = bio_err; |
| sdb.verbose = verbose; |
| sdb.old_cb = SSL_CTX_get_security_callback(ctx); |
| SSL_CTX_set_security_callback(ctx, security_callback_debug); |
| SSL_CTX_set0_security_ex_data(ctx, &sdb); |
| } |
