bananatools/ferrumhook/network.c
2023-01-02 23:39:03 -05:00

66 lines
1.3 KiB
C

#include <windows.h>
#include "taikohook/network.h"
#include "hook/table.h"
#include "util/dprintf.h"
void network_insert_hooks(HMODULE target);
static uint64_t my_TLSv1_method();
static uint64_t my_SSL_CTX_new(void *method);
static uint64_t (*next_TLSv1_2_method)();
static uint64_t (*next_TLSv1_method)();
static uint64_t (*next_SSL_CTX_new)(void *method);
static const struct hook_symbol nethook_syms[] = {
{
.link = (void *) &next_TLSv1_2_method,
.ordinal = 350
},
{
.patch = my_TLSv1_method,
.link = (void *) &next_TLSv1_method,
.ordinal = 170
},
{
.patch = my_SSL_CTX_new,
.link = (void *) &next_SSL_CTX_new,
.ordinal = 12
},
};
HRESULT network_hook_init(const struct ferrum_network_config *cfg)
{
if (!cfg->enable) {
return S_FALSE;
}
dprintf("Nethook: Init\n");
network_insert_hooks(NULL);
return S_OK;
}
void network_insert_hooks(HMODULE target)
{
hook_table_apply(
target,
"ssleay32.dll",
nethook_syms,
_countof(nethook_syms)
);
}
static uint64_t my_TLSv1_method()
{
dprintf("Nethook: Redirect TLS v1.0 to v1.2\n");
return next_TLSv1_2_method();
}
static uint64_t my_SSL_CTX_new(void *method)
{
dprintf("Nethook: my_SSL_CTX_new\n");
return next_SSL_CTX_new(method);
}