gpgme/gpgme/gpgme.h
2001-03-15 13:09:41 +00:00

312 lines
11 KiB
C

/* gpgme.h - GnuPG Made Easy
* Copyright (C) 2000 Werner Koch (dd9jn)
*
* This file is part of GPGME.
*
* GPGME is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GPGME is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef GPGME_H
#define GPGME_H
#include <stdio.h> /* for FILE * */
#ifdef _MSC_VER
typedef long off_t;
#else
# include <sys/types.h>
#endif
#ifdef __cplusplus
extern "C" {
#if 0 /* just to make Emacs auto-indent happy */
}
#endif
#endif
/*
* The version of this header should match the one of the library
* It should not be used by a program because gpgme_check_version(NULL)
* does return the same version. The purpose of this macro is to
* let autoconf (using the AM_PATH_GPGME macro) check that this
* header matches the installed library.
* Warning: Do not edit the next line. configure will do that for you! */
#define GPGME_VERSION "0.2.0a"
struct gpgme_context_s;
typedef struct gpgme_context_s *GpgmeCtx;
struct gpgme_data_s;
typedef struct gpgme_data_s *GpgmeData;
struct gpgme_recipients_s;
typedef struct gpgme_recipients_s *GpgmeRecipients;
struct gpgme_key_s;
typedef struct gpgme_key_s *GpgmeKey;
struct gpgme_trust_item_s;
typedef struct gpgme_trust_item_s *GpgmeTrustItem;
typedef enum {
GPGME_EOF = -1,
GPGME_No_Error = 0,
GPGME_General_Error = 1,
GPGME_Out_Of_Core = 2,
GPGME_Invalid_Value = 3,
GPGME_Busy = 4,
GPGME_No_Request = 5,
GPGME_Exec_Error = 6,
GPGME_Too_Many_Procs = 7,
GPGME_Pipe_Error = 8,
GPGME_No_Recipients = 9,
GPGME_No_Data = 10,
GPGME_Conflict = 11,
GPGME_Not_Implemented = 12,
GPGME_Read_Error = 13,
GPGME_Write_Error = 14,
GPGME_Invalid_Type = 15,
GPGME_Invalid_Mode = 16,
GPGME_File_Error = 17, /* errno is set in this case */
GPGME_Decryption_Failed = 18,
GPGME_No_Passphrase = 19,
GPGME_Canceled = 20,
GPGME_Invalid_Key = 21,
GPGME_Invalid_Engine = 22,
} GpgmeError;
typedef enum {
GPGME_DATA_TYPE_NONE = 0,
GPGME_DATA_TYPE_MEM = 1,
GPGME_DATA_TYPE_FD = 2,
GPGME_DATA_TYPE_FILE = 3,
GPGME_DATA_TYPE_CB = 4
} GpgmeDataType;
typedef enum {
GPGME_SIG_STAT_NONE = 0,
GPGME_SIG_STAT_GOOD = 1,
GPGME_SIG_STAT_BAD = 2,
GPGME_SIG_STAT_NOKEY = 3,
GPGME_SIG_STAT_NOSIG = 4,
GPGME_SIG_STAT_ERROR = 5,
GPGME_SIG_STAT_DIFF = 6
} GpgmeSigStat;
typedef enum {
GPGME_SIG_MODE_NORMAL = 0,
GPGME_SIG_MODE_DETACH = 1,
GPGME_SIG_MODE_CLEAR = 2
} GpgmeSigMode;
typedef enum {
GPGME_ATTR_KEYID = 1,
GPGME_ATTR_FPR = 2,
GPGME_ATTR_ALGO = 3,
GPGME_ATTR_LEN = 4,
GPGME_ATTR_CREATED = 5,
GPGME_ATTR_EXPIRE = 6,
GPGME_ATTR_OTRUST = 7,
GPGME_ATTR_USERID = 8,
GPGME_ATTR_NAME = 9,
GPGME_ATTR_EMAIL = 10,
GPGME_ATTR_COMMENT = 11,
GPGME_ATTR_VALIDITY= 12,
GPGME_ATTR_LEVEL = 13,
GPGME_ATTR_TYPE = 14,
GPGME_ATTR_IS_SECRET= 15,
GPGME_ATTR_KEY_REVOKED = 16,
GPGME_ATTR_KEY_INVALID = 17,
GPGME_ATTR_UID_REVOKED = 18,
GPGME_ATTR_UID_INVALID = 19,
GPGME_ATTR_KEY_CAPS = 20,
GPGME_ATTR_CAN_ENCRYPT = 21,
GPGME_ATTR_CAN_SIGN = 22,
GPGME_ATTR_CAN_CERTIFY = 23
} GpgmeAttr;
typedef enum {
GPGME_VALIDITY_UNKNOWN = 0,
GPGME_VALIDITY_UNDEFINED = 1,
GPGME_VALIDITY_NEVER = 2,
GPGME_VALIDITY_MARGINAL = 3,
GPGME_VALIDITY_FULL = 4,
GPGME_VALIDITY_ULTIMATE = 5
} GpgmeValidity;
typedef const char *(*GpgmePassphraseCb)(void*,
const char *desc, void *r_hd);
typedef void (*GpgmeProgressCb)(void *opaque,
const char *what,
int type, int current, int total );
/* Context management */
GpgmeError gpgme_new (GpgmeCtx *r_ctx);
void gpgme_release (GpgmeCtx c);
void gpgme_cancel (GpgmeCtx c);
GpgmeCtx gpgme_wait (GpgmeCtx c, int hang);
char *gpgme_get_notation (GpgmeCtx c);
void gpgme_set_armor (GpgmeCtx c, int yes);
void gpgme_set_textmode (GpgmeCtx c, int yes);
void gpgme_set_keylist_mode ( GpgmeCtx c, int mode );
void gpgme_set_passphrase_cb (GpgmeCtx c,
GpgmePassphraseCb cb, void *cb_value);
void gpgme_set_progress_cb (GpgmeCtx c, GpgmeProgressCb cb, void *cb_value);
void gpgme_signers_clear (GpgmeCtx c);
GpgmeError gpgme_signers_add (GpgmeCtx c, const GpgmeKey key);
GpgmeKey gpgme_signers_enum (const GpgmeCtx c, int seq);
const char *gpgme_get_sig_status (GpgmeCtx c, int idx,
GpgmeSigStat *r_stat, time_t *r_created );
GpgmeError gpgme_get_sig_key (GpgmeCtx c, int idx, GpgmeKey *r_key);
/* Functions to handle recipients */
GpgmeError gpgme_recipients_new (GpgmeRecipients *r_rset);
void gpgme_recipients_release ( GpgmeRecipients rset);
GpgmeError gpgme_recipients_add_name (GpgmeRecipients rset,
const char *name);
GpgmeError gpgme_recipients_add_name_with_validity (GpgmeRecipients rset,
const char *name,
GpgmeValidity val );
unsigned int gpgme_recipients_count ( const GpgmeRecipients rset );
GpgmeError gpgme_recipients_enum_open (const GpgmeRecipients rset,void **ctx);
const char *gpgme_recipients_enum_read (const GpgmeRecipients rset,void **ctx);
GpgmeError gpgme_recipients_enum_close (const GpgmeRecipients rset,void **ctx);
/* Functions to handle data sources */
GpgmeError gpgme_data_new ( GpgmeData *r_dh );
GpgmeError gpgme_data_new_from_mem ( GpgmeData *r_dh,
const char *buffer, size_t size,
int copy );
GpgmeError gpgme_data_new_with_read_cb ( GpgmeData *r_dh,
int (*read_cb)(void*,char *,size_t,size_t*),
void *read_cb_value );
GpgmeError gpgme_data_new_from_file ( GpgmeData *r_dh,
const char *fname,
int copy );
GpgmeError gpgme_data_new_from_filepart ( GpgmeData *r_dh,
const char *fname, FILE *fp,
off_t offset, off_t length );
void gpgme_data_release ( GpgmeData dh );
char * gpgme_data_release_and_get_mem ( GpgmeData dh, size_t *r_len );
GpgmeDataType gpgme_data_get_type ( GpgmeData dh );
GpgmeError gpgme_data_rewind ( GpgmeData dh );
GpgmeError gpgme_data_read ( GpgmeData dh,
char *buffer, size_t length, size_t *nread );
GpgmeError gpgme_data_write ( GpgmeData dh,
const char *buffer, size_t length );
/* Key and trust functions */
void gpgme_key_ref (GpgmeKey key);
void gpgme_key_unref (GpgmeKey key);
void gpgme_key_release ( GpgmeKey key );
char *gpgme_key_get_as_xml ( GpgmeKey key );
const char *gpgme_key_get_string_attr ( GpgmeKey key, GpgmeAttr what,
const void *reserved, int idx );
unsigned long gpgme_key_get_ulong_attr ( GpgmeKey key, GpgmeAttr what,
const void *reserved, int idx );
void gpgme_trust_item_release ( GpgmeTrustItem item );
const char *gpgme_trust_item_get_string_attr ( GpgmeTrustItem item,
GpgmeAttr what,
const void *reserved, int idx );
int gpgme_trust_item_get_int_attr ( GpgmeTrustItem item, GpgmeAttr what,
const void *reserved, int idx );
/* Basic GnuPG functions */
GpgmeError gpgme_op_encrypt_start ( GpgmeCtx c,
GpgmeRecipients recp,
GpgmeData in, GpgmeData out );
GpgmeError gpgme_op_decrypt_start ( GpgmeCtx c,
GpgmeData ciph, GpgmeData plain );
GpgmeError gpgme_op_sign_start ( GpgmeCtx c,
GpgmeData in, GpgmeData out,
GpgmeSigMode mode );
GpgmeError gpgme_op_verify_start ( GpgmeCtx c,
GpgmeData sig, GpgmeData text );
GpgmeError gpgme_op_import_start ( GpgmeCtx c, GpgmeData keydata );
GpgmeError gpgme_op_export_start ( GpgmeCtx c, GpgmeRecipients recp,
GpgmeData keydata );
GpgmeError gpgme_op_genkey_start ( GpgmeCtx c, const char *parms,
GpgmeData pubkey, GpgmeData seckey );
GpgmeError gpgme_op_delete_start ( GpgmeCtx c, const GpgmeKey key,
int allow_secret );
/* Key management functions */
GpgmeError gpgme_op_keylist_start ( GpgmeCtx c,
const char *pattern, int secret_only );
GpgmeError gpgme_op_keylist_next ( GpgmeCtx c, GpgmeKey *r_key );
GpgmeError gpgme_op_trustlist_start ( GpgmeCtx c,
const char *pattern, int max_level );
GpgmeError gpgme_op_trustlist_next ( GpgmeCtx c, GpgmeTrustItem *r_item );
/* Convenience functions for normal usage */
GpgmeError gpgme_op_encrypt ( GpgmeCtx c, GpgmeRecipients recp,
GpgmeData in, GpgmeData out );
GpgmeError gpgme_op_decrypt ( GpgmeCtx c,
GpgmeData in, GpgmeData out );
GpgmeError gpgme_op_sign ( GpgmeCtx c, GpgmeData in, GpgmeData out,
GpgmeSigMode mode);
GpgmeError gpgme_op_verify ( GpgmeCtx c, GpgmeData sig, GpgmeData text,
GpgmeSigStat *r_status );
GpgmeError gpgme_op_import ( GpgmeCtx c, GpgmeData keydata );
GpgmeError gpgme_op_export ( GpgmeCtx c, GpgmeRecipients recp,
GpgmeData keydata );
GpgmeError gpgme_op_genkey ( GpgmeCtx c, const char *parms,
GpgmeData pubkey, GpgmeData seckey );
GpgmeError gpgme_op_delete ( GpgmeCtx c, const GpgmeKey key, int allow_secret);
/* miscellaneous functions */
const char *gpgme_check_version (const char *req_version);
GpgmeError gpgme_check_engine (void);
const char *gpgme_get_engine_info (void);
const char *gpgme_strerror (GpgmeError err);
void gpgme_register_idle (void (*fnc)(void));
#ifdef __cplusplus
}
#endif
#endif /* GPGME_H */