/* Copyright (C) 1995-1998 Eric Young ([email protected]) * All rights reserved. * * This package is an SSL implementation written * by Eric Young ([email protected]). * 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 ([email protected]). * * 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 ([email protected])" * 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 ([email protected])" * * 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.] */ #include <openssl/asn1.h> #include <assert.h> #include <ctype.h> #include <inttypes.h> #include <limits.h> #include <string.h> #include <time.h> #include <openssl/bio.h> #include <openssl/bytestring.h> #include <openssl/mem.h> #include "../bytestring/internal.h" #include "../internal.h" #include "internal.h" #define ESC_FLAGS … static int maybe_write(BIO *out, const void *buf, int len) { … } static int is_control_character(unsigned char c) { … } static int do_esc_char(uint32_t c, unsigned long flags, char *do_quotes, BIO *out, int is_first, int is_last) { … } // This function sends each character in a buffer to do_esc_char(). It // interprets the content formats and converts to or from UTF8 as // appropriate. static int do_buf(const unsigned char *buf, int buflen, int encoding, unsigned long flags, char *quotes, BIO *out) { … } // This function hex dumps a buffer of characters static int do_hex_dump(BIO *out, unsigned char *buf, int buflen) { … } // "dump" a string. This is done when the type is unknown, or the flags // request it. We can either dump the content octets or the entire DER // encoding. This uses the RFC 2253 #01234 format. static int do_dump(unsigned long flags, BIO *out, const ASN1_STRING *str) { … } // string_type_to_encoding returns the |MBSTRING_*| constant for the encoding // used by the |ASN1_STRING| type |type|, or -1 if |tag| is not a string // type. static int string_type_to_encoding(int type) { … } // This is the main function, print out an ASN1_STRING taking note of various // escape and display options. Returns number of characters written or -1 if // an error occurred. int ASN1_STRING_print_ex(BIO *out, const ASN1_STRING *str, unsigned long flags) { … } int ASN1_STRING_print_ex_fp(FILE *fp, const ASN1_STRING *str, unsigned long flags) { … } int ASN1_STRING_to_UTF8(unsigned char **out, const ASN1_STRING *in) { … } int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v) { … } int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm) { … } static const char *const mon[12] = …; int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm) { … } int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm) { … }