130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/**
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* \file lib/fko_nat_access.c
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*
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* \brief Set/Get the spa nat access request data.
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*/
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/* Fwknop is developed primarily by the people listed in the file 'AUTHORS'.
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* Copyright (C) 2009-2015 fwknop developers and contributors. For a full
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* list of contributors, see the file 'CREDITS'.
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*
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* License (GNU General 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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#include "fko_common.h"
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#include "fko.h"
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/* Set the SPA Nat Access data
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*/
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int
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fko_set_spa_nat_access(fko_ctx_t ctx, const char * const msg)
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{
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int res = FKO_SUCCESS;
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#if HAVE_LIBFIU
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fiu_return_on("fko_set_spa_nat_access_init", FKO_ERROR_CTX_NOT_INITIALIZED);
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#endif
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/* Context must be initialized.
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*/
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if(!CTX_INITIALIZED(ctx))
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return FKO_ERROR_CTX_NOT_INITIALIZED;
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/* Gotta have a valid string.
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*/
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if(msg == NULL || strnlen(msg, MAX_SPA_NAT_ACCESS_SIZE) == 0)
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return(FKO_ERROR_INVALID_DATA_NAT_EMPTY);
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#if HAVE_LIBFIU
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fiu_return_on("fko_set_spa_nat_access_empty", FKO_ERROR_INVALID_DATA_NAT_EMPTY);
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#endif
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/* --DSS XXX: Bail out for now. But consider just
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* truncating in the future...
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*/
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if(strnlen(msg, MAX_SPA_NAT_ACCESS_SIZE) == MAX_SPA_NAT_ACCESS_SIZE)
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return(FKO_ERROR_DATA_TOO_LARGE);
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#if HAVE_LIBFIU
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fiu_return_on("fko_set_spa_nat_access_large", FKO_ERROR_DATA_TOO_LARGE);
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#endif
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if((res = validate_nat_access_msg(msg)) != FKO_SUCCESS)
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return(res);
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/* Just in case this is a subsequent call to this function. We
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* do not want to be leaking memory.
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*/
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if(ctx->nat_access != NULL)
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free(ctx->nat_access);
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ctx->nat_access = strdup(msg);
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ctx->state |= FKO_DATA_MODIFIED;
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if(ctx->nat_access == NULL)
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return(FKO_ERROR_MEMORY_ALLOCATION);
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/* If we set the nat_access message Then we force the message_type
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* as well. Technically, the message type should be set already.
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* This will serve a half-protective measure.
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* --DSS XXX: should do this better.
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*/
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if(ctx->client_timeout > 0)
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{
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if(ctx->message_type != FKO_CLIENT_TIMEOUT_LOCAL_NAT_ACCESS_MSG)
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ctx->message_type = FKO_CLIENT_TIMEOUT_NAT_ACCESS_MSG;
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}
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else
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if(ctx->message_type != FKO_LOCAL_NAT_ACCESS_MSG
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&& ctx->message_type != FKO_CLIENT_TIMEOUT_LOCAL_NAT_ACCESS_MSG)
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ctx->message_type = FKO_NAT_ACCESS_MSG;
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return(FKO_SUCCESS);
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}
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/* Return the SPA message data.
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*/
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int
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fko_get_spa_nat_access(fko_ctx_t ctx, char **nat_access)
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{
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#if HAVE_LIBFIU
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fiu_return_on("fko_get_spa_nat_access_init", FKO_ERROR_CTX_NOT_INITIALIZED);
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#endif
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/* Must be initialized
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*/
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if(!CTX_INITIALIZED(ctx))
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return(FKO_ERROR_CTX_NOT_INITIALIZED);
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if(nat_access == NULL)
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return(FKO_ERROR_INVALID_DATA);
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#if HAVE_LIBFIU
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fiu_return_on("fko_get_spa_nat_access_val", FKO_ERROR_INVALID_DATA);
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#endif
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*nat_access = ctx->nat_access;
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return(FKO_SUCCESS);
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}
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/***EOF***/
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