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Alternative implementation to inet_ntop() for old versions of Windows.

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This commit is contained in:
Bruno Silvestre
2015-08-01 01:07:04 -03:00
parent dd9688cf12
commit 2c2c9cf16f
1 changed files with 50 additions and 5 deletions
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55
src/x509.c
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@@ -63,6 +63,51 @@ p_x509 lsec_checkp_x509(lua_State* L, int idx)
/*---------------------------------------------------------------------------*/
#if defined(LUASEC_INET_NTOP)
/*
* For WinXP (SP3), set the following preprocessor macros:
* LUASEC_INET_NTOP
* WINVER=0x0501
* _WIN32_WINNT=0x0501
* NTDDI_VERSION=0x05010300
*
* For IPv6 addresses, you need to add IPv6 Protocol to your interface.
*
*/
static const char *inet_ntop(int af, const char *src, char *dst, socklen_t size)
{
int addrsize;
struct sockaddr *addr;
struct sockaddr_in addr4;
struct sockaddr_in6 addr6;
switch (af) {
case AF_INET:
memset((void*)&addr4, 0, sizeof(addr4));
addr4.sin_family = AF_INET;
memcpy((void*)&addr4.sin_addr, src, sizeof(struct in_addr));
addr = (struct sockaddr*)&addr4;
addrsize = sizeof(struct sockaddr_in);
break;
case AF_INET6:
memset((void*)&addr6, 0, sizeof(addr6));
addr6.sin6_family = AF_INET6;
memcpy((void*)&addr6.sin6_addr, src, sizeof(struct in6_addr));
addr = (struct sockaddr*)&addr6;
addrsize = sizeof(struct sockaddr_in6);
break;
default:
return NULL;
}
if(getnameinfo(addr, addrsize, dst, size, NULL, 0, NI_NUMERICHOST) != 0)
return NULL;
return dst;
}
#endif
/*---------------------------------------------------------------------------*/
/**
* Convert the buffer 'in' to hexadecimal.
*/
@@ -134,21 +179,21 @@ static int push_asn1_time(lua_State *L, ASN1_UTCTIME *tm)
*/
static void push_asn1_ip(lua_State *L, ASN1_STRING *string)
{
unsigned char *ip = ASN1_STRING_data(string);
int af;
char dst[INET6_ADDRSTRLEN];
int typ;
unsigned char *ip = ASN1_STRING_data(string);
switch(ASN1_STRING_length(string)) {
case 4:
typ = AF_INET;
af = AF_INET;
break;
case 16:
typ = AF_INET6;
af = AF_INET6;
break;
default:
lua_pushnil(L);
return;
}
if(inet_ntop(typ, ip, dst, INET6_ADDRSTRLEN))
if(inet_ntop(af, ip, dst, INET6_ADDRSTRLEN))
lua_pushstring(L, dst);
else
lua_pushnil(L);