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| 1 /* crypto/bio/bss_null.c */ | |
| 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 <errno.h> | |
| 61 #include "cryptlib.h" | |
| 62 #include <openssl/bio.h> | |
| 63 | |
| 64 static int null_write(BIO *h, const char *buf, int num); | |
| 65 static int null_read(BIO *h, char *buf, int size); | |
| 66 static int null_puts(BIO *h, const char *str); | |
| 67 static int null_gets(BIO *h, char *str, int size); | |
| 68 static long null_ctrl(BIO *h, int cmd, long arg1, void *arg2); | |
| 69 static int null_new(BIO *h); | |
| 70 static int null_free(BIO *data); | |
| 71 static BIO_METHOD null_method= | |
| 72 { | |
| 73 BIO_TYPE_NULL, | |
| 74 "NULL", | |
| 75 null_write, | |
| 76 null_read, | |
| 77 null_puts, | |
| 78 null_gets, | |
| 79 null_ctrl, | |
| 80 null_new, | |
| 81 null_free, | |
| 82 NULL, | |
| 83 }; | |
| 84 | |
| 85 BIO_METHOD *BIO_s_null(void) | |
| 86 { | |
| 87 return(&null_method); | |
| 88 } | |
| 89 | |
| 90 static int null_new(BIO *bi) | |
| 91 { | |
| 92 bi->init=1; | |
| 93 bi->num=0; | |
| 94 bi->ptr=(NULL); | |
| 95 return(1); | |
| 96 } | |
| 97 | |
| 98 static int null_free(BIO *a) | |
| 99 { | |
| 100 if (a == NULL) return(0); | |
| 101 return(1); | |
| 102 } | |
| 103 | |
| 104 static int null_read(BIO *b, char *out, int outl) | |
| 105 { | |
| 106 return(0); | |
| 107 } | |
| 108 | |
| 109 static int null_write(BIO *b, const char *in, int inl) | |
| 110 { | |
| 111 return(inl); | |
| 112 } | |
| 113 | |
| 114 static long null_ctrl(BIO *b, int cmd, long num, void *ptr) | |
| 115 { | |
| 116 long ret=1; | |
| 117 | |
| 118 switch (cmd) | |
| 119 { | |
| 120 case BIO_CTRL_RESET: | |
| 121 case BIO_CTRL_EOF: | |
| 122 case BIO_CTRL_SET: | |
| 123 case BIO_CTRL_SET_CLOSE: | |
| 124 case BIO_CTRL_FLUSH: | |
| 125 case BIO_CTRL_DUP: | |
| 126 ret=1; | |
| 127 break; | |
| 128 case BIO_CTRL_GET_CLOSE: | |
| 129 case BIO_CTRL_INFO: | |
| 130 case BIO_CTRL_GET: | |
| 131 case BIO_CTRL_PENDING: | |
| 132 case BIO_CTRL_WPENDING: | |
| 133 default: | |
| 134 ret=0; | |
| 135 break; | |
| 136 } | |
| 137 return(ret); | |
| 138 } | |
| 139 | |
| 140 static int null_gets(BIO *bp, char *buf, int size) | |
| 141 { | |
| 142 return(0); | |
| 143 } | |
| 144 | |
| 145 static int null_puts(BIO *bp, const char *str) | |
| 146 { | |
| 147 if (str == NULL) return(0); | |
| 148 return(strlen(str)); | |
| 149 } | |
| 150 | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master