4c7923413e
Enhanced the libfko decoding routine to include bounds checking on decrypted SPA data. This includes verifying the number of fields within incoming SPA data (colon separated) along with verifying string lengths of each field.
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
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*****************************************************************************
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*
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* File: fko_limits.h
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*
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* Author: Damien S. Stuart
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*
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* Copyright 2009-2010 Damien Stuart (dstuart@dstuart.org)
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*
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* License (GNU Public License):
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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*****************************************************************************
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*/
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#ifndef FKO_LIMITS_H
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#define FKO_LIMITS_H 1
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/* How much space we allow for the fko context error message buffer.
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*/
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#define MAX_FKO_ERR_MSG_SIZE 128
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/* Define some limits (--DSS XXX: These sizes need to be reviewed)
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*/
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#define MAX_SPA_USERNAME_SIZE 64
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#define MAX_SPA_MESSAGE_SIZE 256
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#define MAX_SPA_NAT_ACCESS_SIZE 128
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#define MAX_SPA_SERVER_AUTH_SIZE 64
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#define MAX_SPA_TIMESTAMP_SIZE 12
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#define MAX_SPA_VERSION_SIZE 8 /* 12.34.56 */
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#define MAX_SPA_MESSAGE_TYPE_SIZE 2
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#define MIN_SPA_ENCODED_MSG_SIZE 36 /* Somewhat arbitrary */
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#define MIN_GNUPG_MSG_SIZE 400
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#define MIN_SPA_FIELDS 6
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#define MAX_SPA_FIELDS 10
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/* Misc.
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*/
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#define FKO_ENCODE_TMP_BUF_SIZE 1024
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#define FKO_RAND_VAL_SIZE 16
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#endif /* FKO_LIMITS_H */
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/***EOF***/
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