Work around type mismatches on 32-bit platforms

Signed-off-by: Daiki Ueno <dueno@redhat.com>

keylime-agent-rust-types.patch

@@ -0,0 +1,63 @@
+diff --git a/src/common.rs b/src/common.rs
+index b44cf39..e38385e 100644
+--- a/src/common.rs
++++ b/src/common.rs
+@@ -252,7 +252,7 @@ pub(crate) fn chownroot(path: String) -> Result<String> {
+         }
+ 
+         // change directory owner to root
+-        if libc::chown(path.as_bytes().as_ptr() as *const i8, 0, 0) != 0 {
++        if libc::chown(path.as_bytes().as_ptr() as *const _, 0, 0) != 0 {
+             error!("Failed to change file {} owner.", path);
+             return Err(Error::Permission);
+         }
+diff --git a/src/main.rs b/src/main.rs
+index 4631836..d7598d7 100644
+--- a/src/main.rs
++++ b/src/main.rs
+@@ -18,7 +18,7 @@
+     missing_copy_implementations,
+     missing_debug_implementations,
+     missing_docs,
+-    trivial_casts,
++    //trivial_casts,
+     trivial_numeric_casts,
+     unused_allocation,
+     unused_comparisons,
+diff --git a/src/tpm.rs b/src/tpm.rs
+index f6ae1bb..dbcc848 100644
+--- a/src/tpm.rs
++++ b/src/tpm.rs
+@@ -117,12 +117,12 @@ pub(crate) fn create_ek(
+ 
+ fn unmarshal_tpms_attest(val: &[u8]) -> Result<TPMS_ATTEST> {
+     let mut resp = TPMS_ATTEST::default();
+-    let mut offset = 0u64;
++    let mut offset = 0;
+ 
+     unsafe {
+         let res = Tss2_MU_TPMS_ATTEST_Unmarshal(
+             val[..].as_ptr(),
+-            val.len() as u64,
++            val.len() as _,
+             &mut offset,
+             &mut resp,
+         );
+@@ -140,7 +140,7 @@ fn unmarshal_tpms_attest(val: &[u8]) -> Result<TPMS_ATTEST> {
+ macro_rules! create_marshal_fn {
+     ($func:ident, $tpmobj:ty, $marshal:ident) => {
+         fn $func(t: $tpmobj) -> Vec<u8> {
+-            let mut offset = 0u64;
++            let mut offset = 0;
+             let size = std::mem::size_of::<$tpmobj>();
+ 
+             let mut tpm_vec = Vec::with_capacity(size);
+@@ -148,7 +148,7 @@ macro_rules! create_marshal_fn {
+                 let res = $marshal(
+                     &t,
+                     tpm_vec.as_mut_ptr(),
+-                    tpm_vec.capacity() as u64,
++                    tpm_vec.capacity() as _,
+                     &mut offset,
+                 );
+                 if res != 0 {

keylime-agent-rust.spec

@@ -55,6 +55,7 @@ Source0:        %{url}/archive/%{commit}/rust-keylime-%{version}.tar.gz
 #   cargo vendor
 #   tar jcf rust-keylime-%%{version}-vendor.tar.xz vendor
 Source1:        rust-keylime-%{version}-vendor.tar.xz
+Patch1:         keylime-agent-rust-types.patch
 
 ExclusiveArch:  %{rust_arches}