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simplify crackurl hook

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This commit is contained in:
Hay1tsme
2026-03-12 19:56:36 -04:00
parent 8993251e44
commit 99d3f97358
1 changed files with 6 additions and 28 deletions
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hooklib/dns.c
+6 -28
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@@ -498,45 +498,23 @@ static BOOL my_WinHttpCrackUrl(
DWORD dwFlags,
LPURL_COMPONENTS lpUrlComponents)
{
size_t i;
const struct dns_hook_entry *pos;
wchar_t bfr[1024] = {0};
if (!next_WinHttpCrackUrl(pwszUrl, dwUrlLength, dwFlags, lpUrlComponents)) {
dprintf("DNS: next_WinHttpCrackUrl FAIL %08X\n", (int)GetLastError());
return false;
}
if (dns_hook_lock.DebugInfo == 0) {
return true;
}
//dprintf("DNS: crack URL %S\n", lpUrlComponents->lpszHostName);
EnterCriticalSection(&dns_hook_lock);
for (i = 0 ; i < dns_hook_nentries ; i++) {
pos = &dns_hook_entries[i];
for (size_t i = 0 ; i < dns_hook_nentries ; i++) {
struct dns_hook_entry* pos = &dns_hook_entries[i];
if (_wcsnicmp(lpUrlComponents->lpszHostName, pos->from, wcslen(pos->from)) == 0) {
wchar_t *path = wcsstr(lpUrlComponents->lpszHostName, L"/");
if (path == NULL){
dprintf("DNS: Replace url %S -> %S\n", lpUrlComponents->lpszHostName, pos->to);
lpUrlComponents->lpszHostName = pos->to;
lpUrlComponents->dwHostNameLength = wcslen(pos->to);
} else {
wcscat_s(bfr, _countof(bfr), pos->to);
wcscat_s(bfr, _countof(bfr), path);
dprintf("DNS: Replace url with path %S -> %S\n", lpUrlComponents->lpszHostName, pos->to);
lpUrlComponents->lpszHostName = bfr;
lpUrlComponents->dwHostNameLength = wcslen(pos->to);
}
dprintf("DNS: Replace url %S -> %S\n", lpUrlComponents->lpszHostName, pos->to);
lpUrlComponents->lpszHostName = pos->to;
lpUrlComponents->dwHostNameLength = wcslen(pos->to);
break;
}
}
LeaveCriticalSection(&dns_hook_lock);
return true;
}
}