Broke these out from fko.h.
git-svn-id: file:///home/mbr/svn/fwknop/trunk@34 510a4753-2344-4c79-9c09-4d669213fbeb
This commit is contained in:
Damien Stuart
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/* $Id$
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*****************************************************************************
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*
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* File: fko_context.h
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*
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* Author: Damien S. Stuart
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*
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* Purpose: fko context definition.
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*
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* Copyright (C) 2008 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 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_CONTEXT_H
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#define FKO_CONTEXT_H 1
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/* The pieces we need to make an FKO SPA data packet.
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*/
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struct fko_context {
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/* FKO SPA user-definable message data */
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char *rand_val;
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char *username;
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unsigned int timestamp;
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short message_type;
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char *message;
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char *nat_access;
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char *server_auth;
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unsigned int client_timeout;
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/* FKO SPA user-settable message encoding types */
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short digest_type;
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short encryption_type;
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/* Computed or predefined data */
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char *version;
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char *digest;
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/* Computed processed data (encodings, etc.) */
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char *encoded_msg;
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char *encrypted_msg;
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/* State info */
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unsigned short state;
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unsigned char initval;
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};
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#endif /* FKO_CONTEXT_H */
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/***EOF***/
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@@ -0,0 +1,50 @@
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/* $Id$
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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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* Purpose: libfko header that defines non-public parameter/limits, etc..
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*
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* Copyright (C) 2008 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 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 MIN_SPA_ENCODED_MSG_SIZE 36 /* Somewhat arbitrary */
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#define MIN_GNUPG_MSG_SIZE 400
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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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@@ -0,0 +1,89 @@
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/* $Id$
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*****************************************************************************
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*
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* File: fko_state.h
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*
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* Author: Damien S. Stuart
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*
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* Purpose: Defines various states and flags for libfko operations.
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*
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* Copyright (C) 2008 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 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_STATE_H
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#define FKO_STATE_H 1
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/* General state flag bit values.
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*/
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typedef enum {
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FKO_CTX_SET = 1, /* Set when ctx is initialized */
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FKO_RAND_VAL_MODIFIED = 1 << 1,
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FKO_USERNAME_MODIFIED = 1 << 2,
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FKO_TIMESTAMP_MODIFIED = 1 << 3,
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FKO_VERSION_MODIFIED = 1 << 4,
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FKO_SPA_MSG_TYPE_MODIFIED = 1 << 6,
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FKO_CTX_SET_2 = 1 << 7, /* Set when ctx is initialized */
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FKO_SPA_MSG_MODIFIED = 1 << 8,
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FKO_NAT_ACCESS_MODIFIED = 1 << 9,
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FKO_SERVER_AUTH_MODIFIED = 1 << 10,
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FKO_CLIENT_TIMEOUT_MODIFIED = 1 << 11,
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FKO_DIGEST_TYPE_MODIFIED = 1 << 12,
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FKO_ENCRYPT_TYPE_MODIFIED = 1 << 13,
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FKO_GPG_SUPPORTED = 1 << 14,
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FKO_BACKWARD_COMPATIBLE = 1 << 15
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} fko_state_flags_t;
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/* This is used in conjunction with the ctx->initial value as a means to
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* determine if the ctx has been properly initialized. However, this
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* may not work 100% of the time as it is possible (though not likely)
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* an ctx may have values that match both the flags and the ctx->initial
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* value.
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*/
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#define FKO_CTX_INITIALIZED (FKO_CTX_SET|FKO_CTX_SET_2)
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#define FKO_SET_CTX_INITIALIZED(ctx) \
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(ctx->state |= (FKO_CTX_INITIALIZED))
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#define FKO_CLEAR_CTX_INITIALIZED(ctx) \
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(ctx->state &= (0xffff & ~FKO_CTX_INITIALIZED))
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/* Consolidate all SPA data modified flags.
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*/
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#define FKO_ANY_SPA_DATA_MODIFIED ( \
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FKO_RAND_VAL_MODIFIED | FKO_USERNAME_MODIFIED | FKO_TIMESTAMP_MODIFIED \
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| FKO_VERSION_MODIFIED | FKO_SPA_MSG_TYPE_MODIFIED | FKO_SPA_MSG_MODIFIED \
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| FKO_NAT_ACCESS_MODIFIED | FKO_SERVER_AUTH_MODIFIED \
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| FKO_CLIENT_TIMEOUT_MODIFIED | FKO_DIGEST_TYPE_MODIFIED \
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| FKO_ENCRYPT_TYPE_MODIFIED )
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/* This should return true if any SPA data field has been modifed since the
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* last encode/encrypt.
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*/
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#define FKO_SPA_DATA_MODIFIED(ctx) (ctx->state & FKO_ANY_SPA_DATA_MODIFIED)
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/* Clear all SPA data modified flags. This is normally called after a
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* succesful encode/digest/encryption cycle.
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*/
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#define FKO_CLEAR_SPA_DATA_MODIFIED(ctx) \
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(ctx->state &= (0xffff & ~FKO_ANY_SPA_DATA_MODIFIED))
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/* Macros used for determining ctx initialization state.
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*/
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#define CTX_INITIALIZED(ctx) (ctx->initval == FKO_CTX_INITIALIZED)
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#endif /* FKO_STATE_H */
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/***EOF***/
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