| /* 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. |
| *g |
| * 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). |
| *g |
| * 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. |
| *g |
| * 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) fromg |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| *g |
| * 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. |
| *g |
| * 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) 1998-2007 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.g |
| * |
| * 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). |
| * |
| */ |
| /* ==================================================================== |
| * Copyright 2005 Nokia. All rights reserved. |
| * |
| * The portions of the attached software ("Contribution") is developed by |
| * Nokia Corporation and is licensed pursuant to the OpenSSL open source |
| * license. |
| * |
| * The Contribution, originally written by Mika Kousa and Pasi Eronen of |
| * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites |
| * support (see RFC 4279) to OpenSSL. |
| * |
| * No patent licenses or other rights except those expressly stated in |
| * the OpenSSL open source license shall be deemed granted or received |
| * expressly, by implication, estoppel, or otherwise. |
| * |
| * No assurances are provided by Nokia that the Contribution does not |
| * infringe the patent or other intellectual property rights of any third |
| * party or that the license provides you with all the necessary rights |
| * to make use of the Contribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN |
| * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA |
| * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY |
| * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR |
| * OTHERWISE. */ |
| |
| #include <assert.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <openssl/err.h> |
| #include <openssl/evp.h> |
| #include <openssl/mem.h> |
| #include <openssl/md5.h> |
| #include <openssl/obj.h> |
| |
| #include "internal.h" |
| |
| |
| static const uint8_t ssl3_pad_1[48] = { |
| 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, |
| 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, |
| 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, |
| 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, |
| }; |
| |
| static const uint8_t ssl3_pad_2[48] = { |
| 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, |
| 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, |
| 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, |
| 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, |
| }; |
| |
| static int ssl3_handshake_mac(SSL *s, int md_nid, const char *sender, int len, |
| uint8_t *p); |
| |
| int ssl3_prf(SSL *s, uint8_t *out, size_t out_len, const uint8_t *secret, |
| size_t secret_len, const char *label, size_t label_len, |
| const uint8_t *seed1, size_t seed1_len, |
| const uint8_t *seed2, size_t seed2_len) { |
| EVP_MD_CTX md5; |
| EVP_MD_CTX sha1; |
| uint8_t buf[16], smd[SHA_DIGEST_LENGTH]; |
| uint8_t c = 'A'; |
| size_t i, j, k; |
| |
| k = 0; |
| EVP_MD_CTX_init(&md5); |
| EVP_MD_CTX_init(&sha1); |
| for (i = 0; i < out_len; i += MD5_DIGEST_LENGTH) { |
| k++; |
| if (k > sizeof(buf)) { |
| /* bug: 'buf' is too small for this ciphersuite */ |
| OPENSSL_PUT_ERROR(SSL, ssl3_prf, ERR_R_INTERNAL_ERROR); |
| return 0; |
| } |
| |
| for (j = 0; j < k; j++) { |
| buf[j] = c; |
| } |
| c++; |
| if (!EVP_DigestInit_ex(&sha1, EVP_sha1(), NULL)) { |
| OPENSSL_PUT_ERROR(SSL, ssl3_prf, ERR_LIB_EVP); |
| return 0; |
| } |
| EVP_DigestUpdate(&sha1, buf, k); |
| EVP_DigestUpdate(&sha1, secret, secret_len); |
| /* |label| is ignored for SSLv3. */ |
| if (seed1_len) { |
| EVP_DigestUpdate(&sha1, seed1, seed1_len); |
| } |
| if (seed2_len) { |
| EVP_DigestUpdate(&sha1, seed2, seed2_len); |
| } |
| EVP_DigestFinal_ex(&sha1, smd, NULL); |
| |
| if (!EVP_DigestInit_ex(&md5, EVP_md5(), NULL)) { |
| OPENSSL_PUT_ERROR(SSL, ssl3_prf, ERR_LIB_EVP); |
| return 0; |
| } |
| EVP_DigestUpdate(&md5, secret, secret_len); |
| EVP_DigestUpdate(&md5, smd, SHA_DIGEST_LENGTH); |
| if (i + MD5_DIGEST_LENGTH > out_len) { |
| EVP_DigestFinal_ex(&md5, smd, NULL); |
| memcpy(out, smd, out_len - i); |
| } else { |
| EVP_DigestFinal_ex(&md5, out, NULL); |
| } |
| |
| out += MD5_DIGEST_LENGTH; |
| } |
| |
| OPENSSL_cleanse(smd, SHA_DIGEST_LENGTH); |
| EVP_MD_CTX_cleanup(&md5); |
| EVP_MD_CTX_cleanup(&sha1); |
| |
| return 1; |
| } |
| |
| void ssl3_cleanup_key_block(SSL *s) { |
| if (s->s3->tmp.key_block != NULL) { |
| OPENSSL_cleanse(s->s3->tmp.key_block, s->s3->tmp.key_block_length); |
| OPENSSL_free(s->s3->tmp.key_block); |
| s->s3->tmp.key_block = NULL; |
| } |
| s->s3->tmp.key_block_length = 0; |
| } |
| |
| int ssl3_init_finished_mac(SSL *s) { |
| BIO_free(s->s3->handshake_buffer); |
| ssl3_free_digest_list(s); |
| s->s3->handshake_buffer = BIO_new(BIO_s_mem()); |
| if (s->s3->handshake_buffer == NULL) { |
| return 0; |
| } |
| BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE); |
| |
| return 1; |
| } |
| |
| void ssl3_free_digest_list(SSL *s) { |
| int i; |
| if (!s->s3->handshake_dgst) { |
| return; |
| } |
| for (i = 0; i < SSL_MAX_DIGEST; i++) { |
| if (s->s3->handshake_dgst[i]) { |
| EVP_MD_CTX_destroy(s->s3->handshake_dgst[i]); |
| } |
| } |
| OPENSSL_free(s->s3->handshake_dgst); |
| s->s3->handshake_dgst = NULL; |
| } |
| |
| int ssl3_finish_mac(SSL *s, const uint8_t *buf, int len) { |
| int i; |
| |
| if (s->s3->handshake_buffer) { |
| return BIO_write(s->s3->handshake_buffer, (void *)buf, len) >= 0; |
| } |
| |
| for (i = 0; i < SSL_MAX_DIGEST; i++) { |
| if (s->s3->handshake_dgst[i] != NULL) { |
| EVP_DigestUpdate(s->s3->handshake_dgst[i], buf, len); |
| } |
| } |
| return 1; |
| } |
| |
| int ssl3_digest_cached_records( |
| SSL *s, enum should_free_handshake_buffer_t should_free_handshake_buffer) { |
| int i; |
| uint32_t mask; |
| const EVP_MD *md; |
| const uint8_t *hdata; |
| size_t hdatalen; |
| |
| /* Allocate handshake_dgst array */ |
| ssl3_free_digest_list(s); |
| s->s3->handshake_dgst = OPENSSL_malloc(SSL_MAX_DIGEST * sizeof(EVP_MD_CTX *)); |
| if (s->s3->handshake_dgst == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records, ERR_R_MALLOC_FAILURE); |
| return 0; |
| } |
| |
| memset(s->s3->handshake_dgst, 0, SSL_MAX_DIGEST * sizeof(EVP_MD_CTX *)); |
| if (!BIO_mem_contents(s->s3->handshake_buffer, &hdata, &hdatalen)) { |
| OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records, |
| SSL_R_BAD_HANDSHAKE_LENGTH); |
| return 0; |
| } |
| |
| /* Loop through bits of algorithm2 field and create MD_CTX-es */ |
| for (i = 0; ssl_get_handshake_digest(&mask, &md, i); i++) { |
| if ((mask & ssl_get_algorithm2(s)) && md) { |
| s->s3->handshake_dgst[i] = EVP_MD_CTX_create(); |
| if (s->s3->handshake_dgst[i] == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records, ERR_LIB_EVP); |
| return 0; |
| } |
| if (!EVP_DigestInit_ex(s->s3->handshake_dgst[i], md, NULL)) { |
| EVP_MD_CTX_destroy(s->s3->handshake_dgst[i]); |
| s->s3->handshake_dgst[i] = NULL; |
| OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records, ERR_LIB_EVP); |
| return 0; |
| } |
| EVP_DigestUpdate(s->s3->handshake_dgst[i], hdata, hdatalen); |
| } else { |
| s->s3->handshake_dgst[i] = NULL; |
| } |
| } |
| |
| if (should_free_handshake_buffer == free_handshake_buffer) { |
| /* Free handshake_buffer BIO */ |
| BIO_free(s->s3->handshake_buffer); |
| s->s3->handshake_buffer = NULL; |
| } |
| |
| return 1; |
| } |
| |
| int ssl3_cert_verify_mac(SSL *s, int md_nid, uint8_t *p) { |
| return ssl3_handshake_mac(s, md_nid, NULL, 0, p); |
| } |
| |
| int ssl3_final_finish_mac(SSL *s, const char *sender, int len, uint8_t *p) { |
| int ret, sha1len; |
| ret = ssl3_handshake_mac(s, NID_md5, sender, len, p); |
| if (ret == 0) { |
| return 0; |
| } |
| |
| p += ret; |
| |
| sha1len = ssl3_handshake_mac(s, NID_sha1, sender, len, p); |
| if (sha1len == 0) { |
| return 0; |
| } |
| |
| ret += sha1len; |
| return ret; |
| } |
| |
| static int ssl3_handshake_mac(SSL *s, int md_nid, const char *sender, int len, |
| uint8_t *p) { |
| unsigned int ret; |
| int npad, n; |
| unsigned int i; |
| uint8_t md_buf[EVP_MAX_MD_SIZE]; |
| EVP_MD_CTX ctx, *d = NULL; |
| |
| if (s->s3->handshake_buffer && |
| !ssl3_digest_cached_records(s, free_handshake_buffer)) { |
| return 0; |
| } |
| |
| /* Search for digest of specified type in the handshake_dgst array. */ |
| for (i = 0; i < SSL_MAX_DIGEST; i++) { |
| if (s->s3->handshake_dgst[i] && |
| EVP_MD_CTX_type(s->s3->handshake_dgst[i]) == md_nid) { |
| d = s->s3->handshake_dgst[i]; |
| break; |
| } |
| } |
| |
| if (!d) { |
| OPENSSL_PUT_ERROR(SSL, ssl3_handshake_mac, SSL_R_NO_REQUIRED_DIGEST); |
| return 0; |
| } |
| |
| EVP_MD_CTX_init(&ctx); |
| if (!EVP_MD_CTX_copy_ex(&ctx, d)) { |
| EVP_MD_CTX_cleanup(&ctx); |
| OPENSSL_PUT_ERROR(SSL, ssl3_handshake_mac, ERR_LIB_EVP); |
| return 0; |
| } |
| |
| n = EVP_MD_CTX_size(&ctx); |
| if (n < 0) { |
| return 0; |
| } |
| |
| npad = (48 / n) * n; |
| if (sender != NULL) { |
| EVP_DigestUpdate(&ctx, sender, len); |
| } |
| EVP_DigestUpdate(&ctx, s->session->master_key, s->session->master_key_length); |
| EVP_DigestUpdate(&ctx, ssl3_pad_1, npad); |
| EVP_DigestFinal_ex(&ctx, md_buf, &i); |
| |
| if (!EVP_DigestInit_ex(&ctx, EVP_MD_CTX_md(&ctx), NULL)) { |
| EVP_MD_CTX_cleanup(&ctx); |
| OPENSSL_PUT_ERROR(SSL, ssl3_handshake_mac, ERR_LIB_EVP); |
| return 0; |
| } |
| EVP_DigestUpdate(&ctx, s->session->master_key, s->session->master_key_length); |
| EVP_DigestUpdate(&ctx, ssl3_pad_2, npad); |
| EVP_DigestUpdate(&ctx, md_buf, i); |
| EVP_DigestFinal_ex(&ctx, p, &ret); |
| |
| EVP_MD_CTX_cleanup(&ctx); |
| |
| return ret; |
| } |
| |
| int ssl3_record_sequence_update(uint8_t *seq, size_t seq_len) { |
| size_t i; |
| for (i = seq_len - 1; i < seq_len; i--) { |
| ++seq[i]; |
| if (seq[i] != 0) { |
| return 1; |
| } |
| } |
| OPENSSL_PUT_ERROR(SSL, ssl3_record_sequence_update, ERR_R_OVERFLOW); |
| return 0; |
| } |
| |
| int ssl3_alert_code(int code) { |
| switch (code) { |
| case SSL_AD_CLOSE_NOTIFY: |
| return SSL3_AD_CLOSE_NOTIFY; |
| |
| case SSL_AD_UNEXPECTED_MESSAGE: |
| return SSL3_AD_UNEXPECTED_MESSAGE; |
| |
| case SSL_AD_BAD_RECORD_MAC: |
| return SSL3_AD_BAD_RECORD_MAC; |
| |
| case SSL_AD_DECRYPTION_FAILED: |
| return SSL3_AD_BAD_RECORD_MAC; |
| |
| case SSL_AD_RECORD_OVERFLOW: |
| return SSL3_AD_BAD_RECORD_MAC; |
| |
| case SSL_AD_DECOMPRESSION_FAILURE: |
| return SSL3_AD_DECOMPRESSION_FAILURE; |
| |
| case SSL_AD_HANDSHAKE_FAILURE: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_NO_CERTIFICATE: |
| return SSL3_AD_NO_CERTIFICATE; |
| |
| case SSL_AD_BAD_CERTIFICATE: |
| return SSL3_AD_BAD_CERTIFICATE; |
| |
| case SSL_AD_UNSUPPORTED_CERTIFICATE: |
| return SSL3_AD_UNSUPPORTED_CERTIFICATE; |
| |
| case SSL_AD_CERTIFICATE_REVOKED: |
| return SSL3_AD_CERTIFICATE_REVOKED; |
| |
| case SSL_AD_CERTIFICATE_EXPIRED: |
| return SSL3_AD_CERTIFICATE_EXPIRED; |
| |
| case SSL_AD_CERTIFICATE_UNKNOWN: |
| return SSL3_AD_CERTIFICATE_UNKNOWN; |
| |
| case SSL_AD_ILLEGAL_PARAMETER: |
| return SSL3_AD_ILLEGAL_PARAMETER; |
| |
| case SSL_AD_UNKNOWN_CA: |
| return SSL3_AD_BAD_CERTIFICATE; |
| |
| case SSL_AD_ACCESS_DENIED: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_DECODE_ERROR: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_DECRYPT_ERROR: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_EXPORT_RESTRICTION: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_PROTOCOL_VERSION: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_INSUFFICIENT_SECURITY: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_INTERNAL_ERROR: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_USER_CANCELLED: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_NO_RENEGOTIATION: |
| return -1; /* Don't send it. */ |
| |
| case SSL_AD_UNSUPPORTED_EXTENSION: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_CERTIFICATE_UNOBTAINABLE: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_UNRECOGNIZED_NAME: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: |
| return SSL3_AD_HANDSHAKE_FAILURE; |
| |
| case SSL_AD_UNKNOWN_PSK_IDENTITY: |
| return TLS1_AD_UNKNOWN_PSK_IDENTITY; |
| |
| case SSL_AD_INAPPROPRIATE_FALLBACK: |
| return SSL3_AD_INAPPROPRIATE_FALLBACK; |
| |
| default: |
| return -1; |
| } |
| } |