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%% options
copyright owner = Dirk Krause
copyright year = 2015-xxxx
SPDX-License-Identifier: BSD-3-Clause
%% 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"
#if DK4_HAVE_ASSERT_H
#ifndef ASSERT_H_INCLUDED
#include <assert.h>
#define ASSERT_H_INCLUDED 1
#endif
#endif
$!trace-include
#if DK4_CHAR_SIZE > 1
#if DK4_ON_WINDOWS
static
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 DK4_USE_ASSERT
assert(NULL != peerptr);
assert(NULL != str);
#endif
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_USE_ASSERT
assert(NULL != peerptr);
assert(NULL != str);
#endif
#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
}
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