linux_ppp.rar_gps ppp c/c++_linux ppp_ppPappl_www852ppp.cσm

/* pppControlLayer.c - PPP Control Layer Source File */ /* Copyright 1999 Wind River Systems, Inc. */ #include "copyright_wrs.h" /* modification history -------------------- 03d,07aug03,rp updating include path for message digest 03c,21mar03,ijm SPR#87027,set numberOfNetworkPhaseProtocols to 0 before starting network protocols 03b,03mar03,ijm in controlLayerReceive, free packet if pfwReceive returns ERROR, SPR# 86148 03a,12dec02,ijm merged fix for SPR# 76442,check name and password lengths 02z,05nov02,ijm use printf instead of logMsg 02y,04nov02,ijm update proxyAuthenAttributes,SPR# 75504 02x,17oct02,ijm check protocol state in protocolDown 02w,04oct02,ijm Changed event name from MP_LINK_DOWN_EVENT to PPP_LINK_RESET_EVENT 02v,17jul02,emr Bring into line for PPP 2.0 02u,26jun02 ijm changed header file inclusion order to support dual stack 02t,28may02,rvr fixed build warnings 02s,14mar02,ak Added MP_LINK_DOWN_EVENT 02r,27feb02,ak releasing the state locks in ERROR exits in chapCallbackWrapper() and papCallbackWrapper() 02q,27feb02,ak validating the Manager Stack Obj before retrieving the value of "mpFraming_localUserName" in protocolUp() 02p,23feb02,jr setting the pointers to NULL after freeing 02o,17feb02,ak support for dynamic assignment of MP Member Stack to Manager Stack 02n,29oct01,ijm fixed SPR#70122: after authentication failure, cannot re-establish serial connection to Windows NT. 02m,08oct01,ak Merged the modifications done in the T2 file in the functions linkIdGet() deleteProtocolItem(), componentStackDelDone(), protocolUp() 02l,08oct01,ak return ERROR if pfwEventObjGet() fails for PPP_AUTH_SUCCESSFUL_EVENT in controllayerStackDataConstruct() 02k,08oct01,ak Checking for MP Manager Stack before attempting pfwStackParamGet() in configuring local auth protocol protocolUp() 02j,08oct01,ak Removed unnecesaary log message in getting the reference to LINK_ID_INTERFACE in protocolUp() 02i,08oct01,ak deleting reference to AUTH_INFO_INTERFACE in protocolUp() 02h,08oct01,ak changed MAX_NAME to NAME_SIZE 02g,21jun01,ak Configuring authentication information on the MP Member Stacks 02f,20jun01,nts Handling MP Member Stack and Manager Stack interaction 02e,20jun01,as added COMPONENT_ACCEPTABLE_PROTOCOL_INTERFACE 02d,13apr01,ijm corrected noAuthenticationRequired function removing redundant call to pfwLayerStateGet 02c,05mar01,ijm removed redundant peer and localSecretsTable in pppControlLayerCreate. Released interfaces when stack is deleted (SPR#63868: pfwDelete does not delete framework) 02b,02mar01,ijm publish and raise LCP_CLOSE_EVENT 02a,17dec00,md publish and raise PPP_NETWORK_PHASE_UP event 01z,02aug00,adb Merging in LAC modifications 01y,01aug00,md changes to authenAttributesGet() to support PAP 01x,01aug00,adb Merging with openstack view 01w,31jul00,adb Merging with bala.tor2_pppfrmwk 01v,28jul00,md initializes proxy authen event and fixes authenAttributesGet() to return authenChallenge instead of authenName 01u,12jul00,md publish COLLECT_PPP_ATTRIBUTES_EVENT 01t,12jul00,md added support for l2tp proxy authentication 01s,30jun00,bsn added support for Radius Authentication and Accounting 01r,29jun00,md added authenAttributesGet() interface 01q,20mar00,sj NOMANUAL for obsolete secrets database interfaces 01p,15mar00,sj call lcpTerminationRequest upcall 01o,09mar00,sj FIX bad function definition for OBSOLETE pppLocalSecretDelete 01n,25feb00,sj apopulate lcpIdRequest and lcpIdRequestReceived in PPP_CONTROL_LAYER_INTERFACE 01m,23feb00,sj changed bzero to memset and bcopy to memcpy + Pedantic ANSI fix 01l,17feb00,sj in pppLinkIdGet get and use the PPP_LINK_ID_INTERFACE + added support for PPP_INTERFACE_UP/DOWN_EVENT 01k,15feb00,sj changed m2pppSecretsSecretGet to m2pppSecretsSecretGet 01j,07feb00,sj use secrets database implemented for SNMP + fixes 01i,23dec99,sj dont send protocol reject if received in bad phase 01h,14dec99,sj added LCP_OPEN_EVENT and LCP_DOWN_EVENT 01g,30nov99,sj dont set TERMINATE phase in tearDownConnection 01f,30nov99,sj removing debug messages 01e,09nov99,sj LCP raises LCP up event 01d,16oct99,sj modifications for RW LCP and IPCP 01c,23aug99,sj modified for generic framework 01b,12jul99,koz included new framework header files and updated interfaces accordingly 01a,07jul99,koz created. */ /* DESCRIPTION This module implements the PPP phase diagram. It is the managing entity for all PPP control protocols. PPP control and authentication protocol packets received from the network are dispatched to the respective protocols if they are available within the stack instance for which the packet is received. Starting from the DEAD_PHASE this layer progresses through ESTABLISH_PHASE, to NETWORK_PHASE when bringing up the connection and through TERMINATE_PHASE, back to DEAD_PHASE during shutdown as defined in RFC 1661. In each phase only packets with protocol types belonging to the current phase and the preceeding phases are honored. A protocol reject packet is sent out via the LCP component for unsupported/unavailable protocols. The Control Layer publishes an interface, "PPP_CONTROL_LAYER_INTERFACE," that is used by all the component Control Layer protocols to communicate with the layer. Some of these callbacks are translated into up-calls to the user application via the PPP_UPCALL_FUNCTIONS callback mechanism defined in "$WIND_BASE/target/h/ppp/pppInterfaces.h." This layer also expects all component protocols to implement a "CONTROL_PROTOCOL_INTERFACE" which used to obtain the PPP phase to which the protocol belongs, to trigger OPEN, DOWN and CLOSE events and to get the current state information. The negotiated Authentication protocol information is obtained from the LCP component via the "LCP_NEGOTIATED_AUTH_PROTOCOL_INTERFACE" once it is UP. The corresponding protocols, if configured for dynamic addition, are first added and then started. The connection will be shutdown if the negotiated authentication protocols are unavailable. This module has been implemented as a LAYER plugin object and it exists in the CONTROL PLANE of the framework instance for which it has been instantiated. It has a single profile parameter which is described in "$WIND_BASE/target/h/ppp/pppControlLayer.h." INCLUDE FILES pppControlLayer.h pppInterfaces.h pppControlProtocolInterface.h pppControlLayerInterface.h lcpInterfaces.h */ /* includes */ #include "vxWorks.h" #include "pfw/pfw.h" #include "stdio.h" #include "stdlib.h" #include "string.h" #include "logLib.h" #include "tickLib.h" #include "muxLib.h" #include "netBufLib.h" #include "pfw/pfwStack.h" #include "pfw/pfwComponent.h" #include "pfw/pfwLayer.h" #include "pfw/pfwTable.h" #include "pfw/pfwEvent.h" #include "pfw/pfwMemory.h" #include "ppp/kstart.h" #include "ppp/kppp.h" #include "private/ppp/vpppastr.h" #include "ppp/interfaces/pppControlLayerInterface.h" #include "ppp/interfaces/pppControlProtocolInterface.h" #include "ppp/interfaces/lcpInterfaces.h" #include "ppp/interfaces/pppLinkIdInterface.h" #include "ppp/interfaces/pppRadiusInterface.h" #include "ppp/pppInterfaces.h" #include "ppp/m2pppSecuritySecretsLib.h" #include "ppp/pppControlLayer.h" #include "sllLib.h" #include "wrn/util/mdLib.h" /* WindNet Multilink */ #include "ppp/interfaces/componentAcceptableProtocolsInterface.h" #include "ppp/interfaces/authInfoInterface.h" /* WindNet Multilink */ /* defines */ #define LOCAL_SECRETS_DATABASE 1 #define EXTERNAL_SECRETS_DATABASE 2 #define REMOTE_SECRETS_DATABASE 3 #define _LCP_PROTOCOL_ 0xc021 /* Link Control Protocol */ #define _PAP_PROTOCOL_ 0xc023 /* Password Authentication Protocol */ #define _LQR_P