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/*
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Unix SMB/CIFS implementation.
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simple ASN1 code
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Copyright (C) Andrew Tridgell 2001
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _ASN_1_H
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#define _ASN_1_H
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struct nesting {
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off_t start;
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size_t taglen; /* for parsing */
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struct nesting *next;
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};
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struct asn1_data {
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uint8_t *data;
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size_t length;
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off_t ofs;
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struct nesting *nesting;
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bool has_error;
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};
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typedef struct asn1_data ASN1_DATA;
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#define ASN1_APPLICATION(x) ((x)+0x60)
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#define ASN1_APPLICATION_SIMPLE(x) ((x)+0x40)
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#define ASN1_SEQUENCE(x) ((x)+0x30)
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#define ASN1_CONTEXT(x) ((x)+0xa0)
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#define ASN1_CONTEXT_SIMPLE(x) ((x)+0x80)
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#define ASN1_GENERAL_STRING 0x1b
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#define ASN1_OCTET_STRING 0x4
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#define ASN1_OID 0x6
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#define ASN1_BOOLEAN 0x1
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#define ASN1_INTEGER 0x2
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#define ASN1_BIT_STRING 0x3
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#define ASN1_ENUMERATED 0xa
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#define ASN1_SET 0x31
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#define ASN1_MAX_OIDS 20
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struct asn1_data *asn1_init(TALLOC_CTX *mem_ctx);
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void asn1_free(struct asn1_data *data);
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bool asn1_write(struct asn1_data *data, const void *p, int len);
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bool asn1_write_uint8(struct asn1_data *data, uint8_t v);
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bool asn1_push_tag(struct asn1_data *data, uint8_t tag);
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bool asn1_pop_tag(struct asn1_data *data);
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bool ber_write_OID_String(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, const char *OID);
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bool asn1_write_OID(struct asn1_data *data, const char *OID);
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bool asn1_write_OctetString(struct asn1_data *data, const void *p, size_t length);
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#endif /* _ASN_1_H */
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