diff options
Diffstat (limited to 'vendor/openssl-sys/src/lib.rs')
| -rw-r--r-- | vendor/openssl-sys/src/lib.rs | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/vendor/openssl-sys/src/lib.rs b/vendor/openssl-sys/src/lib.rs new file mode 100644 index 000000000..c3084755c --- /dev/null +++ b/vendor/openssl-sys/src/lib.rs @@ -0,0 +1,212 @@ +#![allow( + clippy::missing_safety_doc, + clippy::unreadable_literal, + clippy::uninlined_format_args, + clippy::upper_case_acronyms, + dead_code, + non_camel_case_types, + non_snake_case, + non_upper_case_globals, + overflowing_literals, + unused_imports +)] +#![doc(html_root_url = "https://docs.rs/openssl-sys/0.9")] +#![recursion_limit = "128"] // configure fixed limit across all rust versions + +extern crate libc; +pub use libc::*; + +#[cfg(feature = "unstable_boringssl")] +extern crate bssl_sys; +#[cfg(feature = "unstable_boringssl")] +pub use bssl_sys::*; + +#[cfg(all(boringssl, not(feature = "unstable_boringssl")))] +#[path = "."] +mod boringssl { + include!(concat!(env!("OUT_DIR"), "/bindgen.rs")); + + pub fn init() { + unsafe { + CRYPTO_library_init(); + } + } +} +#[cfg(all(boringssl, not(feature = "unstable_boringssl")))] +pub use boringssl::*; + +#[cfg(openssl)] +#[path = "."] +mod openssl { + use libc::*; + + #[cfg(feature = "bindgen")] + include!(concat!(env!("OUT_DIR"), "/bindgen.rs")); + + pub use self::aes::*; + pub use self::asn1::*; + pub use self::bio::*; + pub use self::bn::*; + pub use self::cms::*; + pub use self::crypto::*; + pub use self::dtls1::*; + pub use self::ec::*; + pub use self::err::*; + pub use self::evp::*; + #[cfg(not(feature = "bindgen"))] + pub use self::handwritten::*; + pub use self::obj_mac::*; + pub use self::ocsp::*; + pub use self::pem::*; + pub use self::pkcs7::*; + pub use self::rsa::*; + pub use self::sha::*; + pub use self::srtp::*; + pub use self::ssl::*; + pub use self::ssl3::*; + pub use self::tls1::*; + pub use self::types::*; + pub use self::x509::*; + pub use self::x509_vfy::*; + pub use self::x509v3::*; + + #[macro_use] + mod macros; + + mod aes; + mod asn1; + mod bio; + mod bn; + mod cms; + mod crypto; + mod dtls1; + mod ec; + mod err; + mod evp; + #[cfg(not(feature = "bindgen"))] + mod handwritten; + mod obj_mac; + mod ocsp; + mod pem; + mod pkcs7; + mod rsa; + mod sha; + mod srtp; + mod ssl; + mod ssl3; + mod tls1; + mod types; + mod x509; + mod x509_vfy; + mod x509v3; + + use std::sync::Once; + // explicitly initialize to work around https://github.com/openssl/openssl/issues/3505 + static INIT: Once = Once::new(); + + // FIXME remove + pub type PasswordCallback = unsafe extern "C" fn( + buf: *mut c_char, + size: c_int, + rwflag: c_int, + user_data: *mut c_void, + ) -> c_int; + + #[cfg(ossl110)] + pub fn init() { + use std::ptr; + + #[cfg(not(ossl111b))] + let init_options = OPENSSL_INIT_LOAD_SSL_STRINGS; + #[cfg(ossl111b)] + let init_options = OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_NO_ATEXIT; + + INIT.call_once(|| unsafe { + OPENSSL_init_ssl(init_options, ptr::null_mut()); + }) + } + + #[cfg(not(ossl110))] + pub fn init() { + use std::io::{self, Write}; + use std::mem; + use std::process; + use std::sync::{Mutex, MutexGuard}; + + static mut MUTEXES: *mut Vec<Mutex<()>> = 0 as *mut Vec<Mutex<()>>; + static mut GUARDS: *mut Vec<Option<MutexGuard<'static, ()>>> = + 0 as *mut Vec<Option<MutexGuard<'static, ()>>>; + + unsafe extern "C" fn locking_function( + mode: c_int, + n: c_int, + _file: *const c_char, + _line: c_int, + ) { + let mutex = &(*MUTEXES)[n as usize]; + + if mode & CRYPTO_LOCK != 0 { + (*GUARDS)[n as usize] = Some(mutex.lock().unwrap()); + } else { + if let None = (*GUARDS)[n as usize].take() { + let _ = writeln!( + io::stderr(), + "BUG: rust-openssl lock {} already unlocked, aborting", + n + ); + process::abort(); + } + } + } + + cfg_if! { + if #[cfg(unix)] { + fn set_id_callback() { + unsafe extern "C" fn thread_id() -> c_ulong { + ::libc::pthread_self() as c_ulong + } + + unsafe { + CRYPTO_set_id_callback__fixed_rust(Some(thread_id)); + } + } + } else { + fn set_id_callback() {} + } + } + + INIT.call_once(|| unsafe { + SSL_library_init(); + SSL_load_error_strings(); + OPENSSL_add_all_algorithms_noconf(); + + let num_locks = CRYPTO_num_locks(); + let mut mutexes = Box::new(Vec::new()); + for _ in 0..num_locks { + mutexes.push(Mutex::new(())); + } + MUTEXES = mem::transmute(mutexes); + let guards: Box<Vec<Option<MutexGuard<()>>>> = + Box::new((0..num_locks).map(|_| None).collect()); + GUARDS = mem::transmute(guards); + + CRYPTO_set_locking_callback__fixed_rust(Some(locking_function)); + set_id_callback(); + }) + } + + /// Disable explicit initialization of the openssl libs. + /// + /// This is only appropriate to use if the openssl crate is being consumed by an application + /// that will be performing the initialization explicitly. + /// + /// # Safety + /// + /// In some versions of openssl, skipping initialization will fall back to the default procedure + /// while other will cause difficult to debug errors so care must be taken when calling this. + pub unsafe fn assume_init() { + INIT.call_once(|| {}); + } +} +#[cfg(openssl)] +pub use openssl::*; |