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Encode iPAddress fields in human readable form

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This commit is contained in:
Kim Alvefur 2014-06-08 13:20:47 +02:00
parent b83d2c6a91
commit f13aee5dac
1 changed files with 28 additions and 1 deletions
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29
src/x509.c
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@ -20,6 +20,8 @@
#include <openssl/bio.h>
#include <openssl/bn.h>
#include <arpa/inet.h>
#include <lua.h>
#include <lauxlib.h>
@ -123,6 +125,31 @@ static int push_asn1_time(lua_State *L, ASN1_UTCTIME *tm)
return 1;
}
/**
* Return a human readable IP address.
*/
static void push_asn1_ip(lua_State *L, ASN1_STRING *string)
{
unsigned char *ip = ASN1_STRING_data(string);
char dst[INET6_ADDRSTRLEN];
int typ;
switch(ASN1_STRING_length(string)) {
case 4:
typ = AF_INET;
break;
case 16:
typ = AF_INET6;
break;
default:
lua_pushnil(L);
return;
}
if(inet_ntop(typ, ip, dst, INET6_ADDRSTRLEN))
lua_pushstring(L, dst);
else
lua_pushnil(L);
}
/**
*
*/
@ -262,7 +289,7 @@ int meth_extensions(lua_State* L)
case GEN_IPADD:
lua_pushstring(L, "iPAddress");
push_subtable(L, -2);
push_asn1_string(L, general_name->d.iPAddress, LSEC_AI5_STRING);
push_asn1_ip(L, general_name->d.iPAddress);
lua_rawseti(L, -2, lua_rawlen(L, -2)+1);
lua_pop(L, 1);
break;