PKCS #12 support

openssl-sys/src/lib.rs

@@ -1086,6 +1086,10 @@ extern "C" {
                         -> c_int;
     pub fn PKCS12_free(p12: *mut PKCS12);
 
+    pub fn sk_free(st: *mut _STACK);
+    pub fn sk_pop_free(st: *mut _STACK, free: Option<unsafe extern "C" fn (*mut c_void)>);
+    pub fn sk_pop(st: *mut _STACK) -> *mut c_char;
+
     pub fn SSLeay() -> c_long;
     pub fn SSLeay_version(key: c_int) -> *const c_char;
 }

openssl/src/crypto/pkcs12.rs

@@ -4,8 +4,11 @@ use ffi;
 use libc::{c_long, c_uchar};
 use std::cmp;
 use std::ptr;
+use std::ffi::CString;
 
+use crypto::pkey::PKey;
 use error::ErrorStack;
+use x509::X509;
 
 /// A PKCS #12 archive.
 pub struct Pkcs12(*mut ffi::PKCS12);
@@ -19,21 +22,69 @@ impl Drop for Pkcs12 {
 impl Pkcs12 {
     pub fn from_der(der: &[u8]) -> Result<Pkcs12, ErrorStack> {
         unsafe {
+            ffi::init();
             let mut ptr = der.as_ptr() as *const c_uchar;
             let length = cmp::min(der.len(), c_long::max_value() as usize) as c_long;
             let p12 = try_ssl_null!(ffi::d2i_PKCS12(ptr::null_mut(), &mut ptr, length));
             Ok(Pkcs12(p12))
         }
     }
+
+    pub fn parse(&self, pass: &str) -> Result<ParsedPkcs12, ErrorStack> {
+        unsafe {
+            let pass = CString::new(pass).unwrap();
+
+            let mut pkey = ptr::null_mut();
+            let mut cert = ptr::null_mut();
+            let mut chain = ptr::null_mut();
+
+            try_ssl!(ffi::PKCS12_parse(self.0, pass.as_ptr(), &mut pkey, &mut cert, &mut chain));
+
+            let pkey = PKey::from_ptr(pkey);
+            let cert = X509::from_ptr(cert);
+
+            let mut chain_out = vec![];
+            for i in 0..(*chain).stack.num {
+                let x509 = *(*chain).stack.data.offset(i as isize) as *mut _;
+                chain_out.push(X509::from_ptr(x509));
+            }
+            ffi::sk_free(&mut (*chain).stack);
+
+            Ok(ParsedPkcs12 {
+                pkey: pkey,
+                cert: cert,
+                chain: chain_out,
+                _p: (),
+            })
+        }
+    }
+}
+
+pub struct ParsedPkcs12 {
+    pub pkey: PKey,
+    pub cert: X509,
+    pub chain: Vec<X509>,
+    _p: (),
 }
 
 #[cfg(test)]
 mod test {
+    use crypto::hash::Type::SHA1;
+    use serialize::hex::ToHex;
+
     use super::*;
 
     #[test]
-    fn from_der() {
+    fn parse() {
         let der = include_bytes!("../../test/identity.p12");
-        Pkcs12::from_der(der).unwrap();
+        let pkcs12 = Pkcs12::from_der(der).unwrap();
+        let parsed = pkcs12.parse("mypass").unwrap();
+
+        assert_eq!(parsed.cert.fingerprint(SHA1).unwrap().to_hex(),
+                   "59172d9313e84459bcff27f967e79e6e9217e584");
+
+        assert_eq!(parsed.chain.len(), 1);
+        assert_eq!(parsed.chain[0].fingerprint(SHA1).unwrap().to_hex(),
+                   "c0cbdf7cdd03c9773e5468e1f6d2da7d5cbb1875");
     }
 }

openssl/src/ssl/mod.rs

@@ -933,7 +933,7 @@ impl<'a> SslRef<'a> {
             if ptr.is_null() {
                 None
             } else {
-                Some(X509::new(ptr))
+                Some(X509::from_ptr(ptr))
             }
         }
     }

openssl/src/x509/mod.rs

@@ -94,7 +94,7 @@ impl X509StoreContext {
             if ptr.is_null() {
                 None
             } else {
-                Some(X509Ref::new(ptr))
+                Some(X509Ref::from_ptr(ptr))
             }
         }
     }
@@ -298,7 +298,7 @@ impl X509Generator {
 
         unsafe {
             let x509 = try_ssl_null!(ffi::X509_new());
-            let x509 = X509::new(x509);
+            let x509 = X509::from_ptr(x509);
 
             try_ssl!(ffi::X509_set_version(x509.as_ptr(), 2));
             try_ssl!(ffi::ASN1_INTEGER_set(ffi::X509_get_serialNumber(x509.as_ptr()),
@@ -377,8 +377,14 @@ pub struct X509Ref<'a>(*mut ffi::X509, PhantomData<&'a ()>);
 
 impl<'a> X509Ref<'a> {
     /// Creates a new `X509Ref` wrapping the provided handle.
-    pub unsafe fn new(handle: *mut ffi::X509) -> X509Ref<'a> {
-        X509Ref(handle, PhantomData)
+    pub unsafe fn from_ptr(x509: *mut ffi::X509) -> X509Ref<'a> {
+        X509Ref(x509, PhantomData)
+    }
+
+    ///
+    #[deprecated(note = "renamed to `X509::from_ptr`", since = "0.8.1")]
+    pub unsafe fn new(x509: *mut ffi::X509) -> X509Ref<'a> {
+        X509Ref::from_ptr(x509)
     }
 
     pub fn as_ptr(&self) -> *mut ffi::X509 {
@@ -451,8 +457,14 @@ pub struct X509(X509Ref<'static>);
 
 impl X509 {
     /// Returns a new `X509`, taking ownership of the handle.
+    pub unsafe fn from_ptr(x509: *mut ffi::X509) -> X509 {
+        X509(X509Ref::from_ptr(x509))
+    }
+
+    ///
+    #[deprecated(note = "renamed to `X509::from_ptr`", since = "0.8.1")]
     pub unsafe fn new(x509: *mut ffi::X509) -> X509 {
-        X509(X509Ref::new(x509))
+        X509::from_ptr(x509)
     }
 
     /// Reads a certificate from PEM.
@@ -463,7 +475,7 @@ impl X509 {
                                                               ptr::null_mut(),
                                                               None,
                                                               ptr::null_mut()));
-            Ok(X509::new(handle))
+            Ok(X509::from_ptr(handle))
         }
     }
 }