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crypto/pkey: impl Clone for PKey using openssl's ref counting

This commit is contained in:
Cody P Schafer 2016-01-19 21:48:44 -05:00
parent 86e2f81f43
commit 3c51f159a7
2 changed files with 18 additions and 0 deletions
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4
openssl/src/c_helpers.c
View File

@ -7,3 +7,7 @@ void rust_SSL_clone(SSL *ssl) {
void rust_SSL_CTX_clone(SSL_CTX *ctx) {
CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
}
void rust_EVP_PKEY_clone(EVP_PKEY *pkey) {
CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
}

14
openssl/src/crypto/pkey.rs
View File

@ -52,6 +52,10 @@ fn openssl_hash_nid(hash: HashType) -> c_int {
}
}
extern "C" {
fn rust_EVP_PKEY_clone(pkey: *mut ffi::EVP_PKEY);
}
pub struct PKey {
evp: *mut ffi::EVP_PKEY,
parts: Parts,
@ -600,6 +604,16 @@ impl Drop for PKey {
}
}
impl Clone for PKey {
fn clone(&self) -> Self {
unsafe {
rust_EVP_PKEY_clone(self.evp);
}
PKey::from_handle(self.evp, self.parts)
}
}
#[cfg(test)]
mod tests {
use std::path::Path;