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path: add hooks for PathFileExistsA/W

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This commit is contained in:
Kevin Trocolli 2023-05-24 01:08:08 -04:00
parent 9113766c22
commit 02201dfba5
1 changed files with 52 additions and 0 deletions
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52
hooklib/path.c
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@ -97,6 +97,10 @@ static BOOL WINAPI hook_RemoveDirectoryA(const char *lpFileName);
static BOOL WINAPI hook_RemoveDirectoryW(const wchar_t *lpFileName); static BOOL WINAPI hook_RemoveDirectoryW(const wchar_t *lpFileName);
static BOOL WINAPI hook_PathFileExistsA(LPCSTR pszPath);
static BOOL WINAPI hook_PathFileExistsW(LPCWSTR pszPath);
/* Link pointers */ /* Link pointers */
static BOOL (WINAPI *next_CreateDirectoryA)( static BOOL (WINAPI *next_CreateDirectoryA)(
@ -177,6 +181,10 @@ static BOOL (WINAPI *next_RemoveDirectoryA)(const char *lpFileName);
static BOOL (WINAPI *next_RemoveDirectoryW)(const wchar_t *lpFileName); static BOOL (WINAPI *next_RemoveDirectoryW)(const wchar_t *lpFileName);
static BOOL (WINAPI *next_PathFileExistsA)(LPCSTR pszPath);
static BOOL (WINAPI *next_PathFileExistsW)(LPCWSTR pszPath);
/* Hook table */ /* Hook table */
static const struct hook_symbol path_hook_syms[] = { static const struct hook_symbol path_hook_syms[] = {
@ -244,6 +252,14 @@ static const struct hook_symbol path_hook_syms[] = {
.name = "RemoveDirectoryW", .name = "RemoveDirectoryW",
.patch = hook_RemoveDirectoryW, .patch = hook_RemoveDirectoryW,
.link = (void **) &next_RemoveDirectoryW, .link = (void **) &next_RemoveDirectoryW,
}, {
.name = "PathFileExistsA",
.patch = hook_PathFileExistsA,
.link = (void **) &next_PathFileExistsA,
}, {
.name = "PathFileExistsW",
.patch = hook_PathFileExistsW,
.link = (void **) &next_PathFileExistsW,
} }
}; };
@ -854,3 +870,39 @@ static BOOL WINAPI hook_RemoveDirectoryW(const wchar_t *lpFileName)
return ok; return ok;
} }
static BOOL WINAPI hook_PathFileExistsA(LPCSTR pszPath)
{
char *trans;
BOOL ok;
ok = path_transform_a(&trans, pszPath);
if (!ok) {
return FALSE;
}
ok = next_PathFileExistsA(trans ? trans : pszPath);
free(trans);
return ok;
}
static BOOL WINAPI hook_PathFileExistsW(LPCWSTR pszPath)
{
wchar_t *trans;
BOOL ok;
ok = path_transform_w(&trans, pszPath);
if (!ok) {
return FALSE;
}
ok = next_PathFileExistsW(trans ? trans : pszPath);
free(trans);
return ok;
}