mirror of
https://github.com/cesanta/mongoose.git
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152 lines
5.2 KiB
C
152 lines
5.2 KiB
C
/*
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* FreeRTOS+TCP V2.3.2
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://aws.amazon.com/freertos
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* http://www.FreeRTOS.org
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*/
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#ifndef FREERTOS_DNS_H
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#define FREERTOS_DNS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Application level configuration options. */
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#include "FreeRTOSIPConfig.h"
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#include "IPTraceMacroDefaults.h"
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/* The Link-local Multicast Name Resolution (LLMNR)
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* is included.
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* Note that a special MAC address is required in addition to the NIC's actual
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* MAC address: 01:00:5E:00:00:FC
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*
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* The target IP address will be 224.0.0.252
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*/
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#if ( ipconfigBYTE_ORDER == pdFREERTOS_BIG_ENDIAN )
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#define ipLLMNR_IP_ADDR 0xE00000FCUL
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#else
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#define ipLLMNR_IP_ADDR 0xFC0000E0UL
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#endif /* ipconfigBYTE_ORDER == pdFREERTOS_BIG_ENDIAN */
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#define ipLLMNR_PORT 5355 /* Standard LLMNR port. */
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#define ipDNS_PORT 53 /* Standard DNS port. */
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#define ipDHCP_CLIENT 67
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#define ipDHCP_SERVER 68
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#define ipNBNS_PORT 137 /* NetBIOS Name Service. */
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#define ipNBDGM_PORT 138 /* Datagram Service, not included. */
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#if ( ipconfigUSE_LLMNR == 1 ) || ( ipconfigUSE_NBNS == 1 )
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/*
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* The following function should be provided by the user and return true if it
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* matches the domain name.
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*/
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extern BaseType_t xApplicationDNSQueryHook( const char * pcName );
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#endif /* ( ipconfigUSE_LLMNR == 1 ) || ( ipconfigUSE_NBNS == 1 ) */
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/*
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* LLMNR is very similar to DNS, so is handled by the DNS routines.
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*/
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uint32_t ulDNSHandlePacket( const NetworkBufferDescriptor_t * pxNetworkBuffer );
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#if ( ipconfigUSE_LLMNR == 1 )
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/* The LLMNR MAC address is 01:00:5e:00:00:fc */
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extern const MACAddress_t xLLMNR_MacAdress;
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#endif /* ipconfigUSE_LLMNR */
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#if ( ipconfigUSE_NBNS != 0 )
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/*
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* Inspect a NetBIOS Names-Service message. If the name matches with ours
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* (xApplicationDNSQueryHook returns true) an answer will be sent back.
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* Note that LLMNR is a better protocol for name services on a LAN as it is
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* less polluted
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*/
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uint32_t ulNBNSHandlePacket( NetworkBufferDescriptor_t * pxNetworkBuffer );
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#endif /* ipconfigUSE_NBNS */
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#if ( ipconfigUSE_DNS_CACHE != 0 )
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/* Look for the indicated host name in the DNS cache. Returns the IPv4
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* address if present, or 0x0 otherwise. */
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uint32_t FreeRTOS_dnslookup( const char * pcHostName );
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/* Remove all entries from the DNS cache. */
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void FreeRTOS_dnsclear( void );
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#endif /* ipconfigUSE_DNS_CACHE != 0 */
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#if ( ipconfigDNS_USE_CALLBACKS != 0 )
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/*
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* Users may define this type of function as a callback.
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* It will be called when a DNS reply is received or when a timeout has been reached.
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*/
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typedef void (* FOnDNSEvent ) ( const char * /* pcName */,
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void * /* pvSearchID */,
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uint32_t /* ulIPAddress */ );
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/*
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* Asynchronous version of gethostbyname()
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* xTimeout is in units of ms.
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*/
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uint32_t FreeRTOS_gethostbyname_a( const char * pcHostName,
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FOnDNSEvent pCallback,
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void * pvSearchID,
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TickType_t uxTimeout );
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void FreeRTOS_gethostbyname_cancel( void * pvSearchID );
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#endif /* if ( ipconfigDNS_USE_CALLBACKS != 0 ) */
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/*
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* Lookup a IPv4 node in a blocking-way.
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* It returns a 32-bit IP-address, 0 when not found.
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* gethostbyname() is already deprecated.
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*/
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uint32_t FreeRTOS_gethostbyname( const char * pcHostName );
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#if ( ipconfigDNS_USE_CALLBACKS == 1 )
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/*
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* The function vDNSInitialise() initialises the DNS module.
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* It will be called "internally", by the IP-task.
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*/
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void vDNSInitialise( void );
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#endif /* ( ipconfigDNS_USE_CALLBACKS == 1 ) */
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#if ( ipconfigDNS_USE_CALLBACKS == 1 )
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/*
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* A function local to the library.
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*/
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extern void vDNSCheckCallBack( void * pvSearchID );
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#endif
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* FREERTOS_DNS_H */
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