forked from Dniel97/segatools
71 lines
1.4 KiB
C
71 lines
1.4 KiB
C
#include <windows.h>
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#include <assert.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include "hook/table.h"
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#include "platform/pcbid.h"
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#include "util/dprintf.h"
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static BOOL WINAPI pcbid_GetComputerNameA(char *dest, uint32_t *len);
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static struct pcbid_config pcbid_cfg;
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static const struct hook_symbol pcbid_syms[] = {
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{
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.name = "GetComputerNameA",
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.patch = pcbid_GetComputerNameA,
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}
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};
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HRESULT pcbid_hook_init(const struct pcbid_config *cfg)
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{
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assert(cfg != NULL);
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if (!cfg->enable) {
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return S_FALSE;
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}
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if (wcslen(cfg->serial_no) != 15) {
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dprintf("Pcbid: ERROR: Must be 15 chars! ex: ACAE01A99999999\n");
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return E_INVALIDARG;
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}
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memcpy(&pcbid_cfg, cfg, sizeof(*cfg));
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hook_table_apply(NULL, "kernel32.dll", pcbid_syms, _countof(pcbid_syms));
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return S_OK;
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}
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static BOOL WINAPI pcbid_GetComputerNameA(char *dest, uint32_t *len)
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{
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size_t required;
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if (dest == NULL || len == NULL) {
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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wcstombs_s(&required, NULL, 0, pcbid_cfg.serial_no, 0);
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if (required > *len) {
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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return FALSE;
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}
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dprintf("Pcbid: Get PCB serial\n");
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wcstombs_s(NULL, dest, *len, pcbid_cfg.serial_no, *len - 1);
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SetLastError(ERROR_SUCCESS);
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*len = required - 1;
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return TRUE;
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}
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