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fko_nat_access.c
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fko_nat_access.c
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/*
*****************************************************************************
*
* File: fko_nat_access.c
*
* Purpose: Set/Get the spa nat access request data.
*
* Fwknop is developed primarily by the people listed in the file 'AUTHORS'.
* Copyright (C) 2009-2014 fwknop developers and contributors. For a full
* list of contributors, see the file 'CREDITS'.
*
* License (GNU General Public License):
*
* This program 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.
*
* This program 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
*
*****************************************************************************
*/
#include "fko_common.h"
#include "fko.h"
/* Set the SPA Nat Access data
*/
int
fko_set_spa_nat_access(fko_ctx_t ctx, const char * const msg)
{
int res = FKO_SUCCESS;
#if HAVE_LIBFIU
fiu_return_on("fko_set_spa_nat_access_init", FKO_ERROR_CTX_NOT_INITIALIZED);
#endif
/* Context must be initialized.
*/
if(!CTX_INITIALIZED(ctx))
return FKO_ERROR_CTX_NOT_INITIALIZED;
/* Gotta have a valid string.
*/
if(msg == NULL || strnlen(msg, MAX_SPA_NAT_ACCESS_SIZE) == 0)
return(FKO_ERROR_INVALID_DATA_NAT_EMPTY);
#if HAVE_LIBFIU
fiu_return_on("fko_set_spa_nat_access_empty", FKO_ERROR_INVALID_DATA_NAT_EMPTY);
#endif
/* --DSS XXX: Bail out for now. But consider just
* truncating in the future...
*/
if(strnlen(msg, MAX_SPA_NAT_ACCESS_SIZE) == MAX_SPA_NAT_ACCESS_SIZE)
return(FKO_ERROR_DATA_TOO_LARGE);
#if HAVE_LIBFIU
fiu_return_on("fko_set_spa_nat_access_large", FKO_ERROR_DATA_TOO_LARGE);
#endif
if((res = validate_nat_access_msg(msg)) != FKO_SUCCESS)
return(res);
/* Just in case this is a subsquent call to this function. We
* do not want to be leaking memory.
*/
if(ctx->nat_access != NULL)
free(ctx->nat_access);
ctx->nat_access = strdup(msg);
ctx->state |= FKO_DATA_MODIFIED;
if(ctx->nat_access == NULL)
return(FKO_ERROR_MEMORY_ALLOCATION);
/* If we set the nat_access message Then we force the message_type
* as well. Technically, the message type should be set already.
* This will serve a half-protective measure.
* --DSS XXX: should do this better.
*/
if(ctx->client_timeout > 0)
{
if(ctx->message_type != FKO_CLIENT_TIMEOUT_LOCAL_NAT_ACCESS_MSG)
ctx->message_type = FKO_CLIENT_TIMEOUT_NAT_ACCESS_MSG;
}
else
if(ctx->message_type != FKO_LOCAL_NAT_ACCESS_MSG)
ctx->message_type = FKO_NAT_ACCESS_MSG;
return(FKO_SUCCESS);
}
/* Return the SPA message data.
*/
int
fko_get_spa_nat_access(fko_ctx_t ctx, char **nat_access)
{
#if HAVE_LIBFIU
fiu_return_on("fko_get_spa_nat_access_init", FKO_ERROR_CTX_NOT_INITIALIZED);
#endif
/* Must be initialized
*/
if(!CTX_INITIALIZED(ctx))
return(FKO_ERROR_CTX_NOT_INITIALIZED);
if(nat_access == NULL)
return(FKO_ERROR_INVALID_DATA);
#if HAVE_LIBFIU
fiu_return_on("fko_get_spa_nat_access_val", FKO_ERROR_INVALID_DATA);
#endif
*nat_access = ctx->nat_access;
return(FKO_SUCCESS);
}
/***EOF***/