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Fix memory leak in general name stack

This commit is contained in:
Steven Fackler 2016-08-14 11:16:53 -07:00
parent 6b12a0cdde
commit e5299fd7c9
2 changed files with 15 additions and 2 deletions
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2
openssl-sys/src/lib.rs
View File

@ -1090,6 +1090,8 @@ extern "C" {
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 GENERAL_NAME_free(name: *mut GENERAL_NAME);
pub fn SSLeay() -> c_long;
pub fn SSLeay_version(key: c_int) -> *const c_char;
}

15
openssl/src/x509/mod.rs
View File

@ -408,7 +408,7 @@ impl<'a> X509Ref<'a> {
}
Some(GeneralNames {
stack: stack as *const _,
stack: stack as *mut _,
m: PhantomData,
})
}
@ -735,12 +735,23 @@ make_validation_error!(X509_V_OK,
X509ApplicationVerification = X509_V_ERR_APPLICATION_VERIFICATION,
);
// FIXME remove lifetime param for 0.9
/// A collection of OpenSSL `GENERAL_NAME`s.
pub struct GeneralNames<'a> {
stack: *const ffi::stack_st_GENERAL_NAME,
stack: *mut ffi::stack_st_GENERAL_NAME,
m: PhantomData<&'a ()>,
}
impl<'a> Drop for GeneralNames<'a> {
fn drop(&mut self) {
unsafe {
let free: unsafe extern "C" fn(*mut ffi::GENERAL_NAME) = ffi::GENERAL_NAME_free;
let free: unsafe extern "C" fn(*mut c_void) = mem::transmute(free);
ffi::sk_pop_free(&mut (*self.stack).stack, Some(free));
}
}
}
impl<'a> GeneralNames<'a> {
/// Returns the number of `GeneralName`s in this structure.
pub fn len(&self) -> usize {