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Fix XOR not working

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Sally Coolatta 2020-08-22 09:46:25 -04:00
parent 5de27be169
commit 084756ec72
1 changed files with 17 additions and 5 deletions
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22
src/discord.c
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@ -26,7 +26,6 @@
#include "r_things.h" // skins #include "r_things.h" // skins
#include "mserv.h" // ms_RoomId #include "mserv.h" // ms_RoomId
#include "z_zone.h" #include "z_zone.h"
#include "m_random.h" // P_GetInitSeed
#include "byteptr.h" #include "byteptr.h"
#include "discord.h" #include "discord.h"
@ -69,16 +68,29 @@ static char self_ip[IP_SIZE];
--------------------------------------------------*/ --------------------------------------------------*/
static char *DRPC_XORIPString(const char *input) static char *DRPC_XORIPString(const char *input)
{ {
const UINT32 is = (P_GetInitSeed() % UINT8_MAX); const UINT8 xor[IP_SIZE] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
const UINT8 xor[IP_SIZE] = {is, is+106, is-64, is+251, is-207, is+16, is-28, is+78, is-4, is+118, is-46, is+76, is-153, is+45, is-91, is+100}; char *output = malloc(sizeof(char) * (IP_SIZE+1));
char *output = malloc(sizeof(char) * IP_SIZE);
UINT8 i; UINT8 i;
for (i = 0; i < IP_SIZE; i++) for (i = 0; i < IP_SIZE; i++)
{ {
output[i] = input[i] ^ xor[i]; char xorinput;
if (!input[i])
break;
xorinput = input[i] ^ xor[i];
if (xorinput < 32 || xorinput > 126)
{
xorinput = input[i];
}
output[i] = xorinput;
} }
output[i] = '\0';
return output; return output;
} }