703 lines
21 KiB
C
703 lines
21 KiB
C
/*
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******************************************************************************
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* INTERPEAK SOURCE FILE
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*
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* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipdhcpr_cmd_dhcpr.c,v $ $Revision: 1.13.10.1 $
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* $Source: /home/interpeak/CVSRoot/ipdhcpr/src/ipdhcpr_cmd_dhcpr.c,v $
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* $Author: dgocheno $
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* $State: Exp $ $Locker: $
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*
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* INTERPEAK_COPYRIGHT_STRING
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* Design and implementation by Jonas Rendel <jonas@interpeak.se>
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******************************************************************************
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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 "ipdhcpr_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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#ifdef IPDHCPR_INCLUDE_CMD
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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_clib2.h>
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#include <ipcom_syslog.h>
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#include <ipcom_os.h>
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#include <ipcom_sock.h>
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#include <ipcom_err.h>
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#include <ipcom_shell.h>
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#include <ipcom_tmo.h>
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#include <ipcom_sock.h>
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#include <ipcom_inet.h>
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#include <ipnet.h>
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#include <ipnet_cmd.h>
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#include <ipcom_getopt.h>
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#include "ipdhcpr.h"
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#include "ipdhcpr_h.h"
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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 IPDHCPR_MAX_CMD (sizeof(ipdhcpr_cmd_callback)/sizeof(Ipdhcpr_cmd_cb))
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#define IPDHCPR_MAX_SUBCMD (sizeof(ipdhcpr_subcmd)/sizeof(char*))
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#define IPDHCPR_SUBCMD_LST (0)
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#define IPDHCPR_SUBCMD_ADD (1)
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#define IPDHCPR_SUBCMD_DEL (2)
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#define IPDHCPR_SUBCMD_ENA (3)
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#define IPDHCPR_SUBCMD_DIS (4)
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#define IPDHCPR_SUBCMD_OPT82 (5)
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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 Ipdhcpr_cmd_cb_struct
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{
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char* cmd;
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Ip_err (*cmd_cb) (int argc, char *argv[], int subcmd);
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}
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Ipdhcpr_cmd_cb;
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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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IP_EXTERN Ipdhcpr_data ipdhcprc;
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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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IP_STATIC void ipdhcpr_server_print (void *obj, void *data);
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IP_STATIC void ipdhcpr_interface_print(void *obj, void *data);
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IP_STATIC void ipdhcpr_errmsg_print(Ip_err retval);
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IP_STATIC Ip_err ipdhcpr_handle_cmd_server (int argc, char *argv[], int subcmd);
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IP_STATIC Ip_err ipdhcpr_handle_cmd_interface (int argc, char *argv[], int subcmd);
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IP_STATIC Ip_err ipdhcpr_handle_cmd_option82 (int argc, char *argv[], int subcmd);
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/*
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****************************************************************************
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* 8 DATA
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****************************************************************************
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*/
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/*
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*===========================================================================
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* ipdhcpr_subcmd
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*===========================================================================
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* Description: Text info representing the valid dhcpr subcommands
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*
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*/
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IP_STATIC char* ipdhcpr_subcmd[] =
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{
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"list",
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"add",
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"delete",
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"enable",
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"disable",
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"option82"
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};
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/*
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*===========================================================================
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* ipdhcpr_cmd_cb
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*===========================================================================
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* Description: Ipdhcpr command callback struct.
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*/
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IP_STATIC Ipdhcpr_cmd_cb ipdhcpr_cmd_callback[] =
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{
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{
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"server",
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ipdhcpr_handle_cmd_server
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},
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{
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"interface",
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ipdhcpr_handle_cmd_interface
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},
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{
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"option82",
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ipdhcpr_handle_cmd_option82
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}
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};
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/*
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****************************************************************************
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* 9 STATIC FUNCTIONS
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****************************************************************************
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*/
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IP_STATIC void
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ipdhcpr_printf(const char *format, /*args*/ ...)
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{
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char *buf;
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va_list ap;
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Ip_s32 retval;
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buf = ipcom_malloc(IPCOM_STDIO_BUFSIZE);
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ip_assert(buf);
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va_start(ap, format);
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retval = ipcom_vsnprintf(buf, IPCOM_STDIO_BUFSIZE, format, ap);
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retval = IP_MIN(retval, (int) IPCOM_STDIO_BUFSIZE);
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va_end(ap);
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if(retval > 0)
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{
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if(ipdhcprc.preconfiguring == IP_TRUE)
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{
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if(buf[0] != '\n')
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IPCOM_LOG0(INFO,buf);
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}
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else
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(void)ipcom_printf(buf);
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}
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ipcom_free(buf);
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}
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/*
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*===========================================================================
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* ipdhcpr_cmd_print_usage
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*===========================================================================
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* Description: Prints the documentation for the command.
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* Parameters:
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* Returns: IPCOM_SUCCESS - the operation was successful
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* IPCOM_ERR_FAILED -
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*
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*/
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IP_STATIC Ip_err
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ipdhcpr_cmd_print_usage(void)
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{
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ipdhcpr_printf(IP_LF);
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ipdhcpr_printf("NAME" IP_LF);
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ipdhcpr_printf(" dhcpr - Control Interpeak DHCP/BOOTP relay agent" IP_LF);
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ipdhcpr_printf(IP_LF);
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ipdhcpr_printf("SYNOPSIS" IP_LF);
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ipdhcpr_printf(" dhcpr server {list | add {addr} | delete {addr} |" IP_LF);
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ipdhcpr_printf(" option82 {addr} {{enable auth {in raw hex format}} |" IP_LF);
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ipdhcpr_printf(" {disable auth}}}" IP_LF);
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ipdhcpr_printf(" dhcpr interface {list | enable {name} | disable {name} |" IP_LF);
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ipdhcpr_printf(" option82 {name} {{circuit-id {in raw hex format}} |" IP_LF);
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ipdhcpr_printf(" {remote-id {in raw hex format}} |" IP_LF);
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ipdhcpr_printf(" disable}}" IP_LF);
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ipdhcpr_printf(" dhcpr option82 {list | enable {auth | drop} | disable {auth | drop}}" IP_LF);
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ipdhcpr_printf(IP_LF);
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ipdhcpr_printf("DESCRIPTION" IP_LF);
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ipdhcpr_printf(" The dhcpr program starts, stops and configures the Interpeak DHCP/BOOTP" IP_LF);
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ipdhcpr_printf(" relay agent." IP_LF);
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ipdhcpr_printf(IP_LF);
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ipdhcpr_printf(" server Show or change the configured list of servers called by" IP_LF);
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ipdhcpr_printf(" by the DHCP/BOOTP relay agent." IP_LF);
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ipdhcpr_printf(" interface List or enable/disable interfaces used by the dhcp relay agent." IP_LF);
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ipdhcpr_printf(" option82 Enable/disable DHCP relay agent Authentication and the drop" IP_LF);
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ipdhcpr_printf(" policy if incoming packet has no Authentication suboption." IP_LF);
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ipdhcpr_printf(IP_LF);
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#if 0
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ipdhcpr_printf("EXAMPLES" IP_LF);
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#endif
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return IPCOM_SUCCESS;
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}
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/*
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*===========================================================================
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* ipdhcpr_cmd_server
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*===========================================================================
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* Description: Handles the server command.
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* Parameters: argc - number of command line arguments
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* argv - array of command line arguments
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* subcmd - sub command descriptor.
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*
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* Returns: IPCOM_SUCCESS - the operation was successful
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* IPCOM_ERR... - failed
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*
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*/
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IP_STATIC Ip_err
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ipdhcpr_handle_cmd_server(int argc, char *argv[], int subcmd)
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{
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Ip_err retval;
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Ip_u32 addr;
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switch(subcmd)
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{
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case IPDHCPR_SUBCMD_LST:
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ipdhcpr_printf(" Registered servers"IP_LF);
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retval = ipdhcpr_server_for_each(ipdhcpr_server_print,
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IP_NULL);
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ipdhcpr_printf(IP_LF);
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break;
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case IPDHCPR_SUBCMD_ADD:
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if(argc != 1)
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IPDHCPR_LEAVE(IPCOM_ERR_INVALID_ARG);
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if(ipcom_inet_pton(IP_AF_INET, argv[0], &addr) != 1)
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IPDHCPR_LEAVE(IPCOM_ERR_INVALID_CONFIG);
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retval = ipdhcpr_server_add(addr);
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break;
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case IPDHCPR_SUBCMD_DEL:
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if(argc != 1)
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IPDHCPR_LEAVE(IPCOM_ERR_INVALID_ARG);
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if(ipcom_inet_pton(IP_AF_INET, argv[0], &addr) != 1)
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IPDHCPR_LEAVE(IPCOM_ERR_INVALID_CONFIG);
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retval = ipdhcpr_server_delete(addr);
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break;
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/* dhcpr server option82 {addr} {{enable auth {in raw hex format}} | {disable auth}} */
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case IPDHCPR_SUBCMD_OPT82:
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{
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Ip_bool auth_en = IP_FALSE;
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char *auth_key = IP_NULL;
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if ((argc < 3) || (argc > 4))
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IPDHCPR_LEAVE(IPCOM_ERR_INVALID_ARG);
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if (ipcom_inet_pton(IP_AF_INET, argv[0], &addr) != 1)
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IPDHCPR_LEAVE(IPCOM_ERR_INVALID_CONFIG);
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if (ipcom_strcmp("enable", argv[1]) == 0)
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{
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if (4 != argc)
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IPDHCPR_LEAVE(IPCOM_ERR_INVALID_ARG);
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auth_key = argv[3];
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auth_en = IP_TRUE;
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}
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else
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{
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if (ipcom_strcmp("disable", argv[1]) != 0)
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IPDHCPR_LEAVE(IPCOM_ERR_INVALID_ARG);
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}
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if (ipcom_strcmp("auth", argv[2]) != 0)
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IPDHCPR_LEAVE(IPCOM_ERR_INVALID_ARG);
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retval = ipdhcpr_server_option82(addr, auth_en, auth_key);
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break;
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}
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default:
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IPDHCPR_LEAVE(IPCOM_ERR_FAILED);
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}
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leave:
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ipdhcpr_printf(IP_LF);
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ipdhcpr_errmsg_print(retval);
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return(retval);
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}
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/*
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*===========================================================================
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* ipdhcpr_cmd_interface
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*===========================================================================
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* Description: Handles the interface command.
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* Parameters: argc - number of command line arguments
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* argv - array of command line arguments
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* subcmd - sub command descriptor.
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*
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* Returns: IPCOM_SUCCESS - the operation was successful
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* IPCOM_ERR... - failed
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*
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*/
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IP_STATIC Ip_err
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ipdhcpr_handle_cmd_interface (int argc, char *argv[], int subcmd)
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{
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Ip_err retval;
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switch(subcmd)
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{
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case IPDHCPR_SUBCMD_LST:
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retval = ipdhcpr_interface_for_each(ipdhcpr_interface_print, IP_NULL);
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break;
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case IPDHCPR_SUBCMD_ENA:
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if (argc < 1) /* check that an interface was specified */
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retval = IPCOM_ERR_INVALID_ARG;
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else
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retval = ipdhcpr_interface_status_set(argv[0], IP_TRUE);
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break;
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case IPDHCPR_SUBCMD_DIS:
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if (argc < 1) /* check that an interface was specified */
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retval = IPCOM_ERR_INVALID_ARG;
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else
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retval = ipdhcpr_interface_status_set(argv[0], IP_FALSE);
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break;
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/* dhcpr interface option82 {name} {{circuit-id {in raw hex format}} |
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* {remote-id {in raw hex format}}}
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* 0 */
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case IPDHCPR_SUBCMD_OPT82:
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{
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char *circuit_id = IP_NULL;
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char *remote_id = IP_NULL;
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if ((argc < 2) || (argc > 5))
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{
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retval = IPCOM_ERR_INVALID_ARG;
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break;
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}
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if ((0 != ipcom_strcmp("circuit-id", argv[1]))
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&& (0 != ipcom_strcmp("remote-id", argv[1]))
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&& (0 != ipcom_strcmp("disable", argv[1])))
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{
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retval = IPCOM_ERR_INVALID_ARG;
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break;
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}
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if (0 == ipcom_strcmp("circuit-id", argv[1]))
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{
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if (argc < 3) /* exclude only configure with 'circuit-id' */
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{
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retval = IPCOM_ERR_INVALID_ARG;
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break;
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}
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circuit_id = argv[2];
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if (argc == 5)
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{
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if (0 == ipcom_strcmp("remote-id", argv[3]))
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{
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remote_id = argv[4];
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}
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else
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{
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retval = IPCOM_ERR_INVALID_ARG;
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break;
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}
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}
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}
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else /* remote-id */
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{
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if (0 == ipcom_strcmp("remote-id", argv[1]))
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{
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if (argc < 3) /* exclude only configure with 'remote-id' */
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{
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retval = IPCOM_ERR_INVALID_ARG;
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break;
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}
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remote_id = argv[2];
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if (argc == 5)
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{
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if (0 == ipcom_strcmp("circuit-id", argv[3]))
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{
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circuit_id = argv[4];
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}
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else
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{
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retval = IPCOM_ERR_INVALID_ARG;
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break;
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}
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}
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}
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}
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retval = ipdhcpr_interface_option82(argv[0], circuit_id, remote_id);
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break;
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}
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default:
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retval = IPCOM_ERR_INVALID_ARG;
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}
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ipdhcpr_printf(IP_LF);
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ipdhcpr_errmsg_print(retval);
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return retval;
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}
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/*
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*===========================================================================
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* ipdhcpr_handle_cmd_option82
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*===========================================================================
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* Description: Handles the OPTION82 command.
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* Parameters: argc - number of command line arguments
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* argv - array of command line arguments
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* subcmd - sub command descriptor.
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*
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* Returns: IPCOM_SUCCESS - the operation was successful
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* IPCOM_ERR... - failed
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*
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*/
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IP_STATIC Ip_err
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ipdhcpr_handle_cmd_option82 (int argc, char *argv[], int subcmd)
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{
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Ip_err retval = 0;
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switch(subcmd)
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{
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case IPDHCPR_SUBCMD_LST:
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ipdhcpr_printf(" DHCP relay agent authentication is %s"IP_LF,
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ipdhcprc.enable_ra_auth ? "enabled" : "disabled");
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ipdhcpr_printf(" DHCP relay agent drop policy is %s"IP_LF,
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ipdhcprc.enable_drop ? "enabled" : "disabled");
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break;
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case IPDHCPR_SUBCMD_ENA:
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{
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if (1 == argc)
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{
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if (0 == ipcom_strcmp(argv[0], "auth"))
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{
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retval = ipdhcpr_option82_auth_set(IP_TRUE);
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}
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else
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{
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if (0 == ipcom_strcmp(argv[0], "drop"))
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retval = ipdhcpr_option82_drop_set(IP_TRUE);
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else
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retval = IPCOM_ERR_INVALID_ARG;
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}
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}
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else
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{
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retval = IPCOM_ERR_INVALID_ARG;
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}
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break;
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}
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case IPDHCPR_SUBCMD_DIS:
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{
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if (1 == argc)
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{
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if (0 == ipcom_strcmp(argv[0], "auth"))
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{
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retval = ipdhcpr_option82_auth_set(IP_FALSE);
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}
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else
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{
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if (0 == ipcom_strcmp(argv[0], "drop"))
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retval = ipdhcpr_option82_drop_set(IP_FALSE);
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else
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retval = IPCOM_ERR_INVALID_ARG;
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}
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}
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else
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{
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retval = IPCOM_ERR_INVALID_ARG;
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}
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break;
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}
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default:
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retval = IPCOM_ERR_INVALID_ARG;
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}
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ipdhcpr_printf(IP_LF);
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ipdhcpr_errmsg_print(retval);
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return retval;
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}
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/*
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*===========================================================================
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* ipdhcpr_subnet_print
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*===========================================================================
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* Description: Callback function used for printing server information
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* Parameters: obj - Pointer to server descriptor
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* data - not used
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*
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* Returns: -
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*
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*/
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IP_STATIC void
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ipdhcpr_server_print( void *obj, void *data)
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{
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Ipdhcpr_server *s =(Ipdhcpr_server*)obj;
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char buf[20];
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(void)data;
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|
|
|
(void)ipcom_inet_ntop(IP_AF_INET, &s->saddr, buf, sizeof(buf));
|
|
|
|
ipdhcpr_printf(" %s :: shareKey : %s, firstPacket : %s, curSendRDCount : %u, lastRecvRDCount : %u"IP_LF,
|
|
buf,
|
|
s->shareKey ? s->shareKey : "null",
|
|
s->notFirstPacket ? "FALSE" : "TRUE",
|
|
s->curSendRDCount,
|
|
s->lastRecvRDCount);
|
|
}
|
|
|
|
|
|
/*
|
|
*===========================================================================
|
|
* ipdhcpr_interface_print
|
|
*===========================================================================
|
|
* Description: Callback function used for printing interface information.
|
|
* Parameters: obj - Pointer to interface descriptor
|
|
* data - not used.
|
|
*
|
|
* Returns: -
|
|
*
|
|
*/
|
|
IP_STATIC void
|
|
ipdhcpr_interface_print(void *obj, void *data)
|
|
{
|
|
Ipdhcpr_if *i = (Ipdhcpr_if*)obj;
|
|
char buf [20];
|
|
|
|
(void)data;
|
|
|
|
(void)ipcom_inet_ntop(IP_AF_INET, &i->ifaddr, buf, sizeof(buf));
|
|
|
|
ipdhcpr_printf(" Interface %s (%s) :: %s, circuit-ID : %s, remote-ID : %s"IP_LF,
|
|
i->ifname,
|
|
buf,
|
|
i->enabled == IP_TRUE ? "enabled" : "disabled",
|
|
i->circuitID ? i->circuitID : "",
|
|
i->remoteID ? i->remoteID : "");
|
|
}
|
|
|
|
|
|
/*
|
|
*===========================================================================
|
|
* ipdhcpr_errmsg_print
|
|
*===========================================================================
|
|
* Description: Prints error messages in clear text.
|
|
* Parameters: code - error code
|
|
* Returns: -
|
|
*
|
|
*/
|
|
IP_STATIC void
|
|
ipdhcpr_errmsg_print(Ip_err code)
|
|
{
|
|
switch(code)
|
|
{
|
|
case IPCOM_ERR_INVALID_ARG:
|
|
ipdhcpr_printf("failed :: invalid argument"IP_LF);
|
|
break;
|
|
case IPCOM_ERR_INVALID_CONFIG:
|
|
ipdhcpr_printf("failed :: invalid config"IP_LF);
|
|
break;
|
|
case IPCOM_ERR_NOT_FOUND:
|
|
ipdhcpr_printf("failed :: not found"IP_LF);
|
|
break;
|
|
case IPCOM_ERR_NO_MEMORY:
|
|
ipdhcpr_printf("failed :: out of memory"IP_LF);
|
|
break;
|
|
case IPCOM_ERR_ALREADY_INSTALLED:
|
|
ipdhcpr_printf("failed :: already exists"IP_LF);
|
|
break;
|
|
case IPCOM_ERR_NOT_OPENED:
|
|
ipdhcpr_printf("failed :: ipdhcpr not open"IP_LF);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
****************************************************************************
|
|
* 10 GLOBAL FUNCTIONS
|
|
****************************************************************************
|
|
*/
|
|
|
|
|
|
/*
|
|
*===========================================================================
|
|
* ipdhcpr_cmd_dhcpr
|
|
*===========================================================================
|
|
* Description: Shell command used to start,stop and configure the DHCP
|
|
* relay agent.
|
|
* Parameters: argc - The number of arguments passed to the command.
|
|
* argv - The arguments passed to the command.
|
|
* Returns: 0 = success,
|
|
*
|
|
*/
|
|
IP_GLOBAL int
|
|
ipdhcpr_cmd_dhcpr(int argc, char **argv)
|
|
{
|
|
Ip_err retval;
|
|
int i, s;
|
|
|
|
retval = IPCOM_ERR_INVALID_ARG;
|
|
|
|
if(argc < 2)
|
|
IPDHCPR_LEAVE(IPCOM_ERR_INVALID_ARG);
|
|
|
|
for(i = 0; i < IPDHCPR_MAX_CMD; i++)
|
|
{
|
|
if(ipcom_strcmp(argv[1], ipdhcpr_cmd_callback[i].cmd) == 0)
|
|
{
|
|
for(s = IPDHCPR_MAX_SUBCMD; s > 0 && argc > 2; s--)
|
|
if(ipcom_strcmp(argv[2], ipdhcpr_subcmd[s - 1]) == 0)
|
|
break;
|
|
|
|
retval = ipdhcpr_cmd_callback[i].cmd_cb(argc-3, &argv[3], s - 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
leave:
|
|
if(retval == IPCOM_ERR_INVALID_ARG)
|
|
(void) ipdhcpr_cmd_print_usage();
|
|
|
|
return retval;
|
|
}
|
|
|
|
#endif /* #ifdef IPDHCPR_INCLUDE_CMD */
|
|
|
|
|
|
/*
|
|
****************************************************************************
|
|
* 11 PUBLIC FUNCTIONS
|
|
****************************************************************************
|
|
*/
|
|
|
|
/*
|
|
****************************************************************************
|
|
* END OF FILE
|
|
****************************************************************************
|
|
*/
|
|
|