An improved fork of NetBSD's OpenPGP implementation; maintained by the p≡p foundation.
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/*-
* Copyright (c) 2009 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Alistair Crooks (agc@NetBSD.org)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 2005-2008 Nominet UK (www.nic.uk)
* All rights reserved.
* Contributors: Ben Laurie, Rachel Willmer. The Contributors have asserted
* their moral rights under the UK Copyright Design and Patents Act 1988 to
* be recorded as the authors of this copyright work.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License.
*
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/** \file
*/
#ifndef ERRORS_H_
#define ERRORS_H_
#include <errno.h>
#ifndef __printflike
#define __printflike(n, m) __attribute__((format(printf,n,m)))
#endif
/** error codes */
/* Remember to add names to map in errors.c */
typedef enum {
PGP_E_OK = 0x0000, /* no error */
PGP_E_FAIL = 0x0001, /* general error */
PGP_E_SYSTEM_ERROR = 0x0002, /* system error, look at errno for
* details */
PGP_E_UNIMPLEMENTED = 0x0003, /* feature not yet implemented */
/* reader errors */
PGP_E_R = 0x1000, /* general reader error */
PGP_E_R_READ_FAILED = PGP_E_R + 1,
PGP_E_R_EARLY_EOF = PGP_E_R + 2,
PGP_E_R_BAD_FORMAT = PGP_E_R + 3, /* For example, malformed
* armour */
PGP_E_R_UNSUPPORTED = PGP_E_R + 4,
PGP_E_R_UNCONSUMED_DATA = PGP_E_R + 5,
/* writer errors */
PGP_E_W = 0x2000, /* general writer error */
PGP_E_W_WRITE_FAILED = PGP_E_W + 1,
PGP_E_W_WRITE_TOO_SHORT = PGP_E_W + 2,
/* parser errors */
PGP_E_P = 0x3000, /* general parser error */
PGP_E_P_NOT_ENOUGH_DATA = PGP_E_P + 1,
PGP_E_P_UNKNOWN_TAG = PGP_E_P + 2,
PGP_E_P_PACKET_CONSUMED = PGP_E_P + 3,
PGP_E_P_MPI_FORMAT_ERROR = PGP_E_P + 4,
PGP_E_P_PACKET_NOT_CONSUMED = PGP_E_P + 5,
PGP_E_P_DECOMPRESSION_ERROR = PGP_E_P + 6,
PGP_E_P_NO_USERID = PGP_E_P + 7,
/* creator errors */
PGP_E_C = 0x4000, /* general creator error */
/* validation errors */
PGP_E_V = 0x5000, /* general validation error */
PGP_E_V_BAD_SIGNATURE = PGP_E_V + 1,
PGP_E_V_NO_SIGNATURE = PGP_E_V + 2,
PGP_E_V_UNKNOWN_SIGNER = PGP_E_V + 3,
PGP_E_V_BAD_HASH = PGP_E_V + 4,
/* Algorithm support errors */
PGP_E_ALG = 0x6000, /* general algorithm error */
PGP_E_ALG_UNSUPPORTED_SYMMETRIC_ALG = PGP_E_ALG + 1,
PGP_E_ALG_UNSUPPORTED_PUBLIC_KEY_ALG = PGP_E_ALG + 2,
PGP_E_ALG_UNSUPPORTED_SIGNATURE_ALG = PGP_E_ALG + 3,
PGP_E_ALG_UNSUPPORTED_HASH_ALG = PGP_E_ALG + 4,
PGP_E_ALG_UNSUPPORTED_COMPRESS_ALG = PGP_E_ALG + 5,
/* Protocol errors */
PGP_E_PROTO = 0x7000, /* general protocol error */
PGP_E_PROTO_BAD_SYMMETRIC_DECRYPT = PGP_E_PROTO + 2,
PGP_E_PROTO_UNKNOWN_SS = PGP_E_PROTO + 3,
PGP_E_PROTO_CRITICAL_SS_IGNORED = PGP_E_PROTO + 4,
PGP_E_PROTO_BAD_PUBLIC_KEY_VRSN = PGP_E_PROTO + 5,
PGP_E_PROTO_BAD_SIGNATURE_VRSN = PGP_E_PROTO + 6,
PGP_E_PROTO_BAD_ONE_PASS_SIG_VRSN = PGP_E_PROTO + 7,
PGP_E_PROTO_BAD_PKSK_VRSN = PGP_E_PROTO + 8,
PGP_E_PROTO_DECRYPTED_MSG_WRONG_LEN = PGP_E_PROTO + 9,
PGP_E_PROTO_BAD_SK_CHECKSUM = PGP_E_PROTO + 10
} pgp_errcode_t;
/** one entry in a linked list of errors */
typedef struct pgp_error {
pgp_errcode_t errcode;
int sys_errno; /* irrelevent unless errcode ==
* PGP_E_SYSTEM_ERROR */
char *comment;
const char *file;
int line;
struct pgp_error *next;
} pgp_error_t;
const char *pgp_errcode(const pgp_errcode_t);
void
pgp_push_error(pgp_error_t **, pgp_errcode_t,
int,
const char *, int, const char *,...) __printflike(6, 7);
void pgp_print_error(pgp_error_t *);
void pgp_print_errors(pgp_error_t *);
void pgp_free_errors(pgp_error_t *);
int pgp_has_error(pgp_error_t *, pgp_errcode_t);
#define PGP_SYSTEM_ERROR_1(err,code,sys,fmt,arg) do { \
pgp_push_error(err,PGP_E_SYSTEM_ERROR,errno,__FILE__,__LINE__,sys);\
pgp_push_error(err,code,0,__FILE__,__LINE__,fmt,arg); \
} while(/*CONSTCOND*/0)
#define PGP_MEMORY_ERROR(err) { \
fprintf(stderr, "Memory error\n"); \
} /* \todo placeholder for better error
* handling */
#define PGP_ERROR_1(err,code,fmt,arg) do { \
pgp_push_error(err,code,0,__FILE__,__LINE__,fmt,arg); \
} while(/*CONSTCOND*/0)
#define PGP_ERROR_2(err,code,fmt,arg,arg2) do { \
pgp_push_error(err,code,0,__FILE__,__LINE__,fmt,arg,arg2); \
} while(/*CONSTCOND*/0)
#define PGP_ERROR_3(err,code,fmt,arg,arg2,arg3) do { \
pgp_push_error(err,code,0,__FILE__,__LINE__,fmt,arg,arg2,arg3); \
} while(/*CONSTCOND*/0)
#define PGP_ERROR_4(err,code,fmt,arg,arg2,arg3,arg4) do { \
pgp_push_error(err,code,0,__FILE__,__LINE__,fmt,arg,arg2,arg3,arg4); \
} while(/*CONSTCOND*/0)
#endif /* ERRORS_H_ */