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/* Copyright (c) 2018, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#ifndef OPENSSL_HEADER_X509V3_INTERNAL_H
#define OPENSSL_HEADER_X509V3_INTERNAL_H
#include <CNIOBoringSSL_base.h>
#if defined(__cplusplus)
extern "C" {
#endif
// x509v3_bytes_to_hex encodes |len| bytes from |buffer| to hex and returns a
// newly-allocated NUL-terminated string containing the result, or NULL on
// allocation error.
//
// Note this function was historically named |hex_to_string| in OpenSSL, not
// |string_to_hex|.
char *x509v3_bytes_to_hex(const unsigned char *buffer, long len);
// x509v3_hex_string_to_bytes decodes |str| in hex and returns a newly-allocated
// array containing the result, or NULL on error. On success, it sets |*len| to
// the length of the result. Colon separators between bytes in the input are
// allowed and ignored.
//
// Note this function was historically named |string_to_hex| in OpenSSL, not
// |hex_to_string|.
unsigned char *x509v3_hex_to_bytes(const char *str, long *len);
// x509v3_name_cmp returns zero if |name| is equal to |cmp| or begins with |cmp|
// followed by '.'. Otherwise, it returns a non-zero number.
int x509v3_name_cmp(const char *name, const char *cmp);
// x509v3_looks_like_dns_name returns one if |in| looks like a DNS name and zero
// otherwise.
OPENSSL_EXPORT int x509v3_looks_like_dns_name(const unsigned char *in,
size_t len);
// x509v3_cache_extensions fills in a number of fields relating to X.509
// extensions in |x|. It returns one on success and zero if some extensions were
// invalid.
int x509v3_cache_extensions(X509 *x);
// x509v3_a2i_ipadd decodes |ipasc| as an IPv4 or IPv6 address. IPv6 addresses
// use colon-separated syntax while IPv4 addresses use dotted decimal syntax. If
// it decodes an IPv4 address, it writes the result to the first four bytes of
// |ipout| and returns four. If it decodes an IPv6 address, it writes the result
// to all 16 bytes of |ipout| and returns 16. Otherwise, it returns zero.
int x509v3_a2i_ipadd(unsigned char ipout[16], const char *ipasc);
// A |BIT_STRING_BITNAME| is used to contain a list of bit names.
typedef struct {
int bitnum;
const char *lname;
const char *sname;
} BIT_STRING_BITNAME;
#if defined(__cplusplus)
} /* extern C */
#endif
#endif /* OPENSSL_HEADER_X509V3_INTERNAL_H */
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