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129 lines
4.7 KiB
C
129 lines
4.7 KiB
C
/* $OpenBSD: ber.h,v 1.2 2008/12/29 15:48:13 aschrijver Exp $ */
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/*
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* Copyright (c) 2007 Reyk Floeter <reyk@vantronix.net>
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* Copyright (c) 2006, 2007 Claudio Jeker <claudio@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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struct ber_element {
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struct ber_element *be_next;
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unsigned long be_type;
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unsigned long be_encoding;
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size_t be_len;
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int be_free;
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u_int8_t be_class;
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union {
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struct ber_element *bv_sub;
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void *bv_val;
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long long bv_numeric;
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} be_union;
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#define be_sub be_union.bv_sub
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#define be_val be_union.bv_val
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#define be_numeric be_union.bv_numeric
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};
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struct ber {
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int fd;
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u_char *br_wbuf;
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u_char *br_wptr;
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u_char *br_wend;
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u_char *br_rbuf;
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u_char *br_rptr;
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u_char *br_rend;
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unsigned long (*br_application)(struct ber_element *);
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};
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/* well-known ber_element types */
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#define BER_TYPE_DEFAULT ((unsigned long)-1)
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#define BER_TYPE_EOC 0
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#define BER_TYPE_BOOLEAN 1
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#define BER_TYPE_INTEGER 2
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#define BER_TYPE_BITSTRING 3
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#define BER_TYPE_OCTETSTRING 4
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#define BER_TYPE_NULL 5
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#define BER_TYPE_OBJECT 6
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#define BER_TYPE_ENUMERATED 10
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#define BER_TYPE_SEQUENCE 16
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#define BER_TYPE_SET 17
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/* ber classes */
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#define BER_CLASS_UNIVERSAL 0x0
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#define BER_CLASS_UNIV BER_CLASS_UNIVERSAL
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#define BER_CLASS_APPLICATION 0x1
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#define BER_CLASS_APP BER_CLASS_APPLICATION
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#define BER_CLASS_CONTEXT 0x2
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#define BER_CLASS_PRIVATE 0x3
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#define BER_CLASS_MASK 0x3
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/* common definitions */
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#define BER_MIN_OID_LEN 2 /* OBJECT */
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#define BER_MAX_OID_LEN 32 /* OBJECT */
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struct ber_oid {
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u_int32_t bo_id[BER_MAX_OID_LEN + 1];
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size_t bo_n;
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};
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__BEGIN_DECLS
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struct ber_element *ber_get_element(unsigned long);
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void ber_set_header(struct ber_element *, int,
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unsigned long);
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void ber_link_elements(struct ber_element *,
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struct ber_element *);
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struct ber_element *ber_unlink_elements(struct ber_element *);
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void ber_replace_elements(struct ber_element *,
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struct ber_element *);
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struct ber_element *ber_add_sequence(struct ber_element *);
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struct ber_element *ber_add_set(struct ber_element *);
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struct ber_element *ber_add_integer(struct ber_element *, long long);
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int ber_get_integer(struct ber_element *, long long *);
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struct ber_element *ber_add_enumerated(struct ber_element *, long long);
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int ber_get_enumerated(struct ber_element *, long long *);
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struct ber_element *ber_add_boolean(struct ber_element *, int);
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int ber_get_boolean(struct ber_element *, int *);
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struct ber_element *ber_add_string(struct ber_element *, const char *);
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struct ber_element *ber_add_nstring(struct ber_element *, const char *,
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size_t);
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int ber_get_string(struct ber_element *, char **);
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int ber_get_nstring(struct ber_element *, void **,
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size_t *);
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struct ber_element *ber_add_bitstring(struct ber_element *, const void *,
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size_t);
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int ber_get_bitstring(struct ber_element *, void **,
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size_t *);
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struct ber_element *ber_add_null(struct ber_element *);
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int ber_get_null(struct ber_element *);
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struct ber_element *ber_add_eoc(struct ber_element *);
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int ber_get_eoc(struct ber_element *);
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struct ber_element *ber_add_oid(struct ber_element *, struct ber_oid *);
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struct ber_element *ber_add_noid(struct ber_element *, struct ber_oid *, int);
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struct ber_element *ber_add_oidstring(struct ber_element *, const char *);
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int ber_get_oid(struct ber_element *, struct ber_oid *);
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size_t ber_oid2ber(struct ber_oid *, u_int8_t *, size_t);
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int ber_string2oid(const char *, struct ber_oid *);
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struct ber_element *ber_printf_elements(struct ber_element *, char *, ...);
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int ber_scanf_elements(struct ber_element *, char *, ...);
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ssize_t ber_get_writebuf(struct ber *, void **);
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int ber_write_elements(struct ber *, struct ber_element *);
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void ber_set_readbuf(struct ber *, void *, size_t);
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struct ber_element *ber_read_elements(struct ber *, struct ber_element *);
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void ber_free_elements(struct ber_element *);
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size_t ber_calc_len(struct ber_element *);
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void ber_set_application(struct ber *,
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unsigned long (*)(struct ber_element *));
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void ber_free(struct ber *);
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__END_DECLS
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