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This function was reported as containing a bug, but it is unused and so can be safely removed. BUG: https://bugzilla.samba.org/show_bug.cgi?id=4153 Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Jeremy Allison <jra@samba.org> Reviewed-by: David Mulder <dmulder@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Thu Apr 1 17:50:49 UTC 2021 on sn-devel-184
111 lines
5.1 KiB
C
111 lines
5.1 KiB
C
/*
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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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#include "replace.h"
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#include <talloc.h>
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#include "lib/util/data_blob.h"
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struct nesting;
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struct asn1_data;
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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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/*
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* The maximum permitted depth for an ASN.1 parse tree, the limit is chosen
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* to align with the value for windows. Note that this value will trigger
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* ASAN stack overflow errors.
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*/
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#define ASN1_MAX_TREE_DEPTH 512
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struct asn1_data *asn1_init(TALLOC_CTX *mem_ctx, unsigned max_depth);
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void asn1_free(struct asn1_data *data);
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bool asn1_has_error(const struct asn1_data *data);
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void asn1_set_error(struct asn1_data *data);
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bool asn1_has_nesting(const struct asn1_data *data);
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off_t asn1_current_ofs(const 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 asn1_write_implicit_Integer(struct asn1_data *data, int i);
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bool asn1_write_Integer(struct asn1_data *data, int i);
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bool asn1_write_BitString(struct asn1_data *data, const void *p, size_t length, uint8_t padding);
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bool ber_write_OID_String(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, const char *OID);
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bool ber_write_partial_OID_String(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, const char *partial_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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bool asn1_write_LDAPString(struct asn1_data *data, const char *s);
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bool asn1_write_DATA_BLOB_LDAPString(struct asn1_data *data, const DATA_BLOB *s);
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bool asn1_write_GeneralString(struct asn1_data *data, const char *s);
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bool asn1_write_ContextSimple(struct asn1_data *data, uint8_t num, DATA_BLOB *blob);
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bool asn1_write_BOOLEAN(struct asn1_data *data, bool v);
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bool asn1_read_BOOLEAN(struct asn1_data *data, bool *v);
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bool asn1_check_BOOLEAN(struct asn1_data *data, bool v);
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bool asn1_write_BOOLEAN_context(struct asn1_data *data, bool v, int context);
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bool asn1_read_BOOLEAN_context(struct asn1_data *data, bool *v, int context);
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bool asn1_load(struct asn1_data *data, DATA_BLOB blob);
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bool asn1_peek(struct asn1_data *data, void *p, int len);
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bool asn1_read(struct asn1_data *data, void *p, int len);
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bool asn1_read_uint8(struct asn1_data *data, uint8_t *v);
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bool asn1_peek_uint8(struct asn1_data *data, uint8_t *v);
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bool asn1_peek_tag(struct asn1_data *data, uint8_t tag);
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bool asn1_start_tag(struct asn1_data *data, uint8_t tag);
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bool asn1_end_tag(struct asn1_data *data);
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int asn1_tag_remaining(struct asn1_data *data);
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bool ber_read_OID_String(TALLOC_CTX *mem_ctx, DATA_BLOB blob, char **OID);
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bool ber_read_partial_OID_String(TALLOC_CTX *mem_ctx, DATA_BLOB blob, char **partial_oid);
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bool asn1_read_OID(struct asn1_data *data, TALLOC_CTX *mem_ctx, char **OID);
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bool asn1_check_OID(struct asn1_data *data, const char *OID);
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bool asn1_read_LDAPString(struct asn1_data *data, TALLOC_CTX *mem_ctx, char **s);
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bool asn1_read_GeneralString(struct asn1_data *data, TALLOC_CTX *mem_ctx, char **s);
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bool asn1_read_OctetString(struct asn1_data *data, TALLOC_CTX *mem_ctx, DATA_BLOB *blob);
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bool asn1_read_ContextSimple(struct asn1_data *data, TALLOC_CTX *mem_ctx, uint8_t num, DATA_BLOB *blob);
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bool asn1_read_implicit_Integer(struct asn1_data *data, int *i);
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bool asn1_read_Integer(struct asn1_data *data, int *i);
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bool asn1_read_BitString(struct asn1_data *data, TALLOC_CTX *mem_ctx, DATA_BLOB *blob, uint8_t *padding);
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bool asn1_read_enumerated(struct asn1_data *data, int *v);
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bool asn1_write_enumerated(struct asn1_data *data, uint8_t v);
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bool asn1_blob(const struct asn1_data *asn1, DATA_BLOB *blob);
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bool asn1_extract_blob(struct asn1_data *asn1, TALLOC_CTX *mem_ctx,
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DATA_BLOB *pblob);
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void asn1_load_nocopy(struct asn1_data *data, uint8_t *buf, size_t len);
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int asn1_peek_full_tag(DATA_BLOB blob, uint8_t tag, size_t *packet_size);
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size_t asn1_get_length(const struct asn1_data *asn1);
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#endif /* _ASN_1_H */
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