Fix clippy warnings: use contains(), fix late initialization

src/lsass/dpapi.rs

@@ -426,7 +426,7 @@ fn try_dpapi_entry_match(page: &[u8], off: usize) -> bool {
     // insertTime at +0x28: FILETIME should be a reasonable date (2000-2040)
     // High DWORD of FILETIME for year 2000 ≈ 0x01BF..., year 2040 ≈ 0x01E0...
     let ft_high = u32::from_le_bytes(page[off + 0x2C..off + 0x30].try_into().unwrap());
-    if ft_high < 0x01BF_0000 || ft_high > 0x01E0_0000 {
+    if !(0x01BF_0000..=0x01E0_0000).contains(&ft_high) {
         return false;
     }
     // key_size at +0x30: must be 32, 48, or 64

src/lsass/finder.rs

@@ -164,7 +164,6 @@ pub fn extract_all_credentials<P: PhysicalMemory>(
     let mut wdigest_status = "paged";
     let mut kerberos_status = "paged";
     let mut tspkg_status = "paged";
-    let dpapi_status;
     let mut ssp_status = "empty";
     let mut livessp_status = if dlls.livessp.is_some() { "paged" } else { "n/a" };
     let mut credman_status = "paged";
@@ -267,11 +266,7 @@ pub fn extract_all_credentials<P: PhysicalMemory>(
             crate::lsass::dpapi::extract_dpapi_physical_scan(phys, lsass.dtb, &lsass_vmem, &keys)
         }
     };
-    if dpapi_creds.is_empty() {
-        dpapi_status = "empty";
-    } else {
-        dpapi_status = "ok";
-    }
+    let dpapi_status = if dpapi_creds.is_empty() { "empty" } else { "ok" };
     for (luid, dpapi_cred) in dpapi_creds {
         let entry = all_creds.entry(luid).or_insert_with(|| {
             Credential::new_empty(luid, String::new(), String::new())

src/lsass/msv.rs

@@ -1016,7 +1016,7 @@ fn find_list_addr_and_count(vmem: &impl VirtualMemory, pattern_addr: u64) -> Res
     for &addr in &lea_addrs {
         let val = vmem.read_virt_u32(addr).unwrap_or(0);
         // LogonSessionListCount is typically 64 or another small power-of-2
-        if val >= 4 && val <= 256 {
+        if (4..=256).contains(&val) {
             count = val as usize;
             log::info!("LogonSessionListCount at 0x{:x} = {}", addr, val);
         } else {