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121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/* name-value.h - Parser and writer for a name-value format.
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* Copyright (C) 2016 g10 Code GmbH
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*
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* This file is part of GnuPG.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either
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*
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* - the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* or
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*
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* - the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* or both in parallel, as here.
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*
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* GnuPG 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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*
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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 <https://www.gnu.org/licenses/>.
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*/
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#ifndef GNUPG_COMMON_NAME_VALUE_H
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#define GNUPG_COMMON_NAME_VALUE_H
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struct name_value_container;
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typedef struct name_value_container *nvc_t;
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struct name_value_entry;
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typedef struct name_value_entry *nve_t;
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/* Memory management, and dealing with entries. */
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/* Allocate a name value container structure. */
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nvc_t nvc_new (void);
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/* Allocate a name value container structure for use with the extended
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* private key format. */
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nvc_t nvc_new_private_key (void);
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/* Release a name value container structure. */
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void nvc_release (nvc_t pk);
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/* Get the name. */
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char *nve_name (nve_t pke);
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/* Get the value. */
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char *nve_value (nve_t pke);
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/* Lookup and iteration. */
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/* Get the first non-comment entry. */
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nve_t nvc_first (nvc_t pk);
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/* Get the first entry with the given name. */
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nve_t nvc_lookup (nvc_t pk, const char *name);
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/* Get the next non-comment entry. */
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nve_t nve_next (nve_t entry);
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/* Get the next entry with the given name. */
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nve_t nve_next_value (nve_t entry, const char *name);
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/* Adding and modifying values. */
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/* Add (NAME, VALUE) to PK. If an entry with NAME already exists, it
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is not updated but the new entry is appended. */
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gpg_error_t nvc_add (nvc_t pk, const char *name, const char *value);
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/* Add (NAME, VALUE) to PK. If an entry with NAME already exists, it
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is updated with VALUE. If multiple entries with NAME exist, the
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first entry is updated. */
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gpg_error_t nvc_set (nvc_t pk, const char *name, const char *value);
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/* Delete the given entry from PK. */
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void nvc_delete (nvc_t pk, nve_t pke);
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/* Private key handling. */
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/* Get the private key. */
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gpg_error_t nvc_get_private_key (nvc_t pk, gcry_sexp_t *retsexp);
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/* Set the private key. */
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gpg_error_t nvc_set_private_key (nvc_t pk, gcry_sexp_t sexp);
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/* Parsing and serialization. */
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/* Parse STREAM and return a newly allocated private key container
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structure in RESULT. If ERRLINEP is given, the line number the
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parser was last considering is stored there. */
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gpg_error_t nvc_parse (nvc_t *result, int *errlinep, estream_t stream);
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/* Parse STREAM and return a newly allocated name value container
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structure in RESULT - assuming the extended private key format. If
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ERRLINEP is given, the line number the parser was last considering
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is stored there. */
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gpg_error_t nvc_parse_private_key (nvc_t *result, int *errlinep,
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estream_t stream);
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/* Write a representation of PK to STREAM. */
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gpg_error_t nvc_write (nvc_t pk, estream_t stream);
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#endif /* GNUPG_COMMON_NAME_VALUE_H */
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