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%%	options

copyright owner =       Dirk Krause
copyright year  =       2015-xxxx
license         =       bsd




%%	module

#include "dk4conf.h"
#include "dk4types.h"
#include "dk4error.h"
#include "dk4mem.h"
#include "dk4sock.h"
#include "dk4str8.h"
#include "dk4strw.h"
#include "dk4mai8dsz.h"
#include "dk4maiwdsz.h"



$!trace-include



#if DK4_CHAR_SIZE > 1
#if DK4_ON_WINDOWS


int
dk4socket_wc_get_allowed_peer(
  dk4_allowed_peer_t	*peerptr,
  const wchar_t		*str,
  dk4_er_t		*erp
)
{
  wchar_t	mycp[128];
  IN_ADDR	in4;
  IN_ADDR	ma4;
#if DK4_HAVE_STRUCT_SOCKADDR_IN6
  IN6_ADDR	in6;
  IN6_ADDR	ma6;
#endif
  wchar_t	*maptr;
  const wchar_t	*endptr	= NULL;
  size_t	 bitno	= 0;
#if DK4_HAVE_STRUCT_SOCKADDR_IN6
  size_t	 i	= 0;
#endif
  unsigned long	 nm4	= 0UL;
  int		 back	= DK4_SOCKET_RESULT_FAILED;
  int		 af	= AF_UNSPEC;
  int		 res	= 0;
  if ((NULL != peerptr) && (NULL != str)) {
    if (0 != dk4strw_cpy_s(mycp, DK4_SIZEOF(mycp,wchar_t), str, erp)) {
      maptr = dk4strw_chr(mycp, L'/');
      if (NULL != maptr) { *(maptr++) = L'\0'; }
      back = dk4socket_wc_inet_pton(&in4, sizeof(in4), AF_INET, mycp, erp);
      if (DK4_SOCKET_RESULT_SUCCESS == back) { af = AF_INET; }
#if DK4_HAVE_STRUCT_SOCKADDR_IN6
      else {
        back = dk4socket_wc_inet_pton(&in6, sizeof(in6), AF_INET6, mycp, erp);
	if (DK4_SOCKET_RESULT_SUCCESS == back) { af = AF_INET6; }
      }
#endif
      if (DK4_SOCKET_RESULT_SUCCESS == back) {
        back = DK4_SOCKET_RESULT_FAILED;
	if (NULL != maptr) {
	  res = dk4ma_input_wc_dec_size_t(&bitno, maptr, &endptr, 1, NULL);
	  if (0 != res) {
	    /*	Bit number
	    */
	    switch (af) {
	      case AF_INET : {
	        if (0 != dk4socket_mask_bits(&nm4, bitno, erp)) {
		  ma4.s_addr = dk4socket_htonl(nm4);
		  DK4_MEMCPY(&((peerptr->data).ipv4.ad),&in4,sizeof(in4));
		  DK4_MEMCPY(&((peerptr->data).ipv4.ma),&ma4,sizeof(ma4));
		  peerptr->af = af;
		  back = DK4_SOCKET_RESULT_SUCCESS;
		}
	      } break;
#if DK4_HAVE_STRUCT_SOCKADDR_IN6
	      case AF_INET6 : {
	        back = dk4socket_mask6_bits(&ma6, bitno, erp);
		if (DK4_SOCKET_RESULT_SUCCESS == back) {
		  DK4_MEMCPY(&((peerptr->data).ipv6.ad),&in6,sizeof(in6));
		  DK4_MEMCPY(&((peerptr->data).ipv6.ma),&ma6,sizeof(ma6));
		  peerptr->af = af;
		}
	      } break;
#endif
	      default : {
	      }
	    }
	  } else {
	    /*	Mask as address
	    */
	    switch (af) {
	      case AF_INET : {
	        back = dk4socket_wc_inet_pton(
		  &ma4, sizeof(ma4), AF_INET, maptr, erp
		);
		if (DK4_SOCKET_RESULT_SUCCESS == back) {
		  DK4_MEMCPY(&((peerptr->data).ipv4.ad),&in4,sizeof(in4));
		  DK4_MEMCPY(&((peerptr->data).ipv4.ma),&ma4,sizeof(ma4));
		  peerptr->af = af;
		}
	      } break;
#if DK4_HAVE_STRUCT_SOCKADDR_IN6
	      case AF_INET6 : {
	        back = dk4socket_wc_inet_pton(
		  &ma6, sizeof(ma6), AF_INET6, maptr, erp
		);
		if (DK4_SOCKET_RESULT_SUCCESS == back) {
		  DK4_MEMCPY(&((peerptr->data).ipv6.ad),&in6,sizeof(in6));
		  DK4_MEMCPY(&((peerptr->data).ipv6.ma),&ma6,sizeof(ma6));
		  peerptr->af = af;
		}
	      } break;
#endif
	    }
	  }
	} else {
	  /*	Host
	  */
	  switch (af) {
	    case AF_INET : {
	      ma4.s_addr = dk4socket_htonl(0xFFFFFFFFUL);
	      DK4_MEMCPY(&((peerptr->data).ipv4.ad), &in4, sizeof(in4));
	      DK4_MEMCPY(&((peerptr->data).ipv4.ma), &ma4, sizeof(ma4));
	      peerptr->af = af;
	      back = DK4_SOCKET_RESULT_SUCCESS;
	    } break;
#if DK4_HAVE_STRUCT_SOCKADDR_IN6
	    case AF_INET6 : {
	      for (i = 0; i < 16; i++) { ma6.s6_addr[i] = 0xFF; }
	      DK4_MEMCPY(&((peerptr->data).ipv6.ad), &in6, sizeof(in6));
	      DK4_MEMCPY(&((peerptr->data).ipv6.ma), &ma6, sizeof(ma6));
	      peerptr->af = af;
	      back = DK4_SOCKET_RESULT_SUCCESS;
	    } break;
#endif
	    default : {
	      /* Must not happen */
	    } break;
	  }
	}
      }
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}


#else
#error  No networking functions using wchar_t host and service names available!
#endif
#endif


int
dk4socket_get_allowed_peer(
  dk4_allowed_peer_t	*peerptr,
  const dkChar		*str,
  dk4_er_t		*erp
)
{
#if DK4_CHAR_SIZE > 1
  return (
    dk4socket_wc_get_allowed_peer(peerptr, str, erp)
  );
#else
  return (
    dk4socket_c8_get_allowed_peer(peerptr, str, erp)
  );
#endif
}