279 lines
8.1 KiB
C
279 lines
8.1 KiB
C
/* ipwps_pbc.c - IPWPS Protocol Adaptor implementation */
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/*
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* Copyright (c) 2009 Wind River Systems, Inc.
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*
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* The right to copy, distribute, modify, or otherwise make use
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* of this software may be licensed only pursuant to the terms
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* of an applicable Wind River license agreement.
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*
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*/
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/*
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modification history
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--------------------
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01a,26feb09,mry Created
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*/
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/* DESCRIPTION:
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* ===========
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* This library contains the IPWPS PBC Config Method support routines.
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*/
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/*
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****************************************************************************
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* 1 DESCRIPTION
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 2 CONFIGURATION
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****************************************************************************
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*/
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#include "ipwps_config.h"
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/*
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****************************************************************************
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* 3 INCLUDE FILES
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****************************************************************************
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*/
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#define IPCOM_USE_CLIB_PROTO
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#include <ipcom_type.h>
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#include <ipcom_cstyle.h>
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#include <ipcom_clib.h>
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#include <ipcom_err.h>
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#include <ipcom_syslog.h>
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#include <ipcom_sysvar.h>
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#include "ipwps_common.h"
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#include "ipwps_pbc.h"
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#include "ipwps_config_methods.h" /* MUST BE AFTER "ipwps_pbc.h" which redefines IPWPS_CONFIG_METHOD_CTX */
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/*
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****************************************************************************
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* 4 DEFINES
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****************************************************************************
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*/
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#define IPWPS_PUSHBUTTON_DEVICE_PASSWORD "00000000"
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/*
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****************************************************************************
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* 5 TYPES
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****************************************************************************
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*/
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typedef struct Ipwps_pbc_ctx_st {
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Ip_bool enabled;
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Ip_u16 config_method;
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Ipwps_device_pwdid dev_pwd_id;
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} Ipwps_pbc_ctx;
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/*
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****************************************************************************
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* 6 EXTERN PROTOTYPES
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 7 LOCAL PROTOTYPES
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 8 STATIC FUNCTIONS
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****************************************************************************
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*/
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IP_STATIC Ip_bool ipwps_pbc_is_enabled(Ipwps_pbc_ctx *pbc_ctx);
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IP_STATIC Ip_u16 Ipwps_pbc_get_config_method(Ipwps_pbc_ctx *pbc_ctx);
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IP_STATIC Ipwps_device_pwdid Ipwps_pbc_get_pwd_id(Ipwps_pbc_ctx *pbc_ctx);
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IP_STATIC Ip_err Ipwps_pbc_handle_event(Ipwps_pbc_ctx *pbc_ctx, Ipwps_event_msg *event_msg, Ipwps_event_data *resp_event_data);
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IP_STATIC Ipwps_operation_status ipwps_pbc_get_device_password(Ipwps_pbc_ctx *pbc_ctx, Ipwps_dev_pwd_container *dev_pwd);
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/*
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*
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****************************************************************************
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* 9 DATA
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****************************************************************************
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*/
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IP_STATIC Ipwps_config_method_api ipwps_pbc_cma = {
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ipwps_pbc_is_enabled,
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Ipwps_pbc_get_config_method,
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Ipwps_pbc_get_pwd_id,
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Ipwps_pbc_handle_event,
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ipwps_pbc_get_device_password
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};
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/*
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****************************************************************************
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* 10 GLOBAL FUNCTIONS
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****************************************************************************
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*/
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/*
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*===========================================================================
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*
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*===========================================================================
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* Description:
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* Initializes a PBC config method context and provides its supported config
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* methods.
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* Parameters:
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* struct ipwps_pbc_ctx_st *supported_config_methods - This will be updated
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* upon successful initialization to contain all the supported WPS config
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* methods by this PBC umbrella config method.
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* Returns:
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* Pointer to a valid PBC config method context if successful,
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* IP_NULL otherwise
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*/
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IP_GLOBAL Ipwps_pbc_ctx *ipwps_pbc_init(Ip_u16 *supported_config_methods) {
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Ipwps_pbc_ctx *pbc_ctx = IP_NULL;
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ip_assert(supported_config_methods);
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pbc_ctx = ipcom_calloc(1, sizeof(Ipwps_pbc_ctx));
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if (!pbc_ctx) {
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IPCOM_LOG0(CRIT, "ipwps_pbc_init :: out of memory");
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return IP_NULL;
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}
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pbc_ctx->enabled = ipcom_sysvar_get_as_int(IPWPS_SYSVAR_PBC_ENABLE, 0);
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if (pbc_ctx->enabled) {
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pbc_ctx->dev_pwd_id = IPWPS_DEVPWDID_PUSHBUTTON;
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*supported_config_methods = IPWPS_CONFIG_METHOD_PUSHBUTTON;
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pbc_ctx->config_method = IPWPS_CONFIG_METHOD_PUSHBUTTON;
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}
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return pbc_ctx;
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}
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/*
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*===========================================================================
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* ipwps_pbc_destroy
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*===========================================================================
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* Description:
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* Parameters:
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* Returns:
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*/
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IP_GLOBAL Ip_err ipwps_pbc_destroy(Ipwps_pbc_ctx *pbc_ctx) {
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ip_assert(pbc_ctx);
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ipcom_free(pbc_ctx);
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return IPCOM_SUCCESS;
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}
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/*
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*===========================================================================
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* ipwps_pbc_get_cma
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*===========================================================================
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* Description:
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* Returns the Ipwps_config_method_api for the corresponding PBC config method.
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* Parameters:
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* struct ipwps_pbc_ctx_st *pbc_ctx - Pointer to a valid allocated PBC config
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* method context.
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* Returns:
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* Pointer to a valid Ipwps_config_method_api if successful,
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* IP_NULL otherwise.
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*/
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IP_GLOBAL Ipwps_config_method_api *ipwps_pbc_get_cma(Ipwps_pbc_ctx *pbc_ctx) {
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ip_assert(pbc_ctx);
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return &ipwps_pbc_cma;
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}
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/*
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*===========================================================================
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*
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*===========================================================================
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* Description:
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* Parameters:
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* Returns:
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*
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*/
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IP_STATIC Ip_bool ipwps_pbc_is_enabled(Ipwps_pbc_ctx *pbc_ctx) {
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ip_assert(pbc_ctx);
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return pbc_ctx->enabled;
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}
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/*
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*===========================================================================
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*
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*===========================================================================
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* Description:
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* Parameters:
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* Returns:
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*
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*/
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IP_STATIC Ip_u16 Ipwps_pbc_get_config_method(Ipwps_pbc_ctx *pbc_ctx) {
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ip_assert(pbc_ctx);
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return pbc_ctx->config_method;
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}
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/*
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*===========================================================================
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*
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*===========================================================================
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* Description:
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* Parameters:
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* Returns:
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*
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*/
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IP_STATIC Ipwps_device_pwdid Ipwps_pbc_get_pwd_id(Ipwps_pbc_ctx *pbc_ctx) {
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ip_assert(pbc_ctx);
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return pbc_ctx->dev_pwd_id;
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}
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/*
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*===========================================================================
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* Ipwps_pbc_handle_event
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*===========================================================================
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* Description:
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* Parameters:
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* Returns:
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*
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*/
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IP_STATIC Ip_err Ipwps_pbc_handle_event(Ipwps_pbc_ctx *pbc_ctx, Ipwps_event_msg *event_msg, Ipwps_event_data *resp_event_data) {
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ip_assert(pbc_ctx);
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ip_assert(event_msg);
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if (event_msg->event_type.pbc_event != IPWPS_PBC_EVENT_PUSHBUTTON) {
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IPCOM_LOG0(DEBUG2, "Ipwps_pbc_handle_event :: received unsupported event");
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return IPCOM_ERR_NOT_SUPPORTED;
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}
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return IPCOM_SUCCESS;
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}
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/*
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*===========================================================================
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* ipwps_pbc_get_device_password
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*===========================================================================
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* Description:
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* Parameters:
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* Returns:
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*
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*/
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IP_STATIC Ipwps_operation_status ipwps_pbc_get_device_password(Ipwps_pbc_ctx *pbc_ctx, Ipwps_dev_pwd_container *dev_pwd) {
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ip_assert(pbc_ctx);
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ip_assert(dev_pwd);
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dev_pwd->len = ipcom_strlen(IPWPS_PUSHBUTTON_DEVICE_PASSWORD);
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ip_assert(dev_pwd->len <= IPWPS_DEVICE_PASSWORD_MAXLEN);
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ipcom_memcpy(dev_pwd->pwd, IPWPS_PUSHBUTTON_DEVICE_PASSWORD, dev_pwd->len);
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return IPWPS_OPSTATUS_OK;
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}
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