variant_ssl_sys/
lib.rs

1#![allow(
2    clippy::missing_safety_doc,
3    dead_code,
4    non_camel_case_types,
5    non_snake_case,
6    non_upper_case_globals,
7    unused_imports
8)]
9#![doc(html_root_url = "https://docs.rs/variant-ssl-sys/0.15")]
10#![recursion_limit = "128"] // configure fixed limit across all rust versions
11
12extern crate libc;
13pub use std::ffi::c_int;
14
15#[cfg(feature = "boringssl")]
16extern crate bssl_sys;
17#[cfg(feature = "boringssl")]
18pub use bssl_sys::*;
19
20#[cfg(feature = "aws-lc")]
21extern crate aws_lc_sys;
22
23#[cfg(awslc)]
24#[allow(unpredictable_function_pointer_comparisons)]
25mod aws_lc {
26    #[cfg(all(feature = "aws-lc", not(feature = "aws-lc-fips")))]
27    pub use aws_lc_sys::*;
28
29    #[cfg(feature = "aws-lc-fips")]
30    pub use aws_lc_fips_sys::*;
31
32    #[cfg(not(any(feature = "aws-lc", feature = "aws-lc-fips")))]
33    include!(concat!(env!("OUT_DIR"), "/bindgen.rs"));
34
35    use std::ffi::{c_char, c_int, c_long, c_uint, c_void};
36
37    pub fn init() {
38        unsafe { CRYPTO_library_init() }
39    }
40
41    // BIO_get_mem_data is a C preprocessor macro by definition
42    #[allow(non_snake_case)]
43    pub unsafe fn BIO_get_mem_data(b: *mut BIO, pp: *mut *mut c_char) -> c_long {
44        unsafe { BIO_ctrl(b, BIO_CTRL_INFO, 0, pp.cast::<c_void>()) }
45    }
46
47    // ERR_GET_{LIB,REASON,FUNC} are macros/static inlines in AWS-LC and
48    // therefore not emitted by pregenerated bindings. We provide pure-Rust
49    // implementations matching the logic in aws-lc-sys.
50    //
51    // When aws-lc-sys is used (feature = "aws-lc" or "aws-lc-fips"), these
52    // come from the glob import instead. When normal bindgen runs
53    // (wrap_static_fns), they're in the generated output.
54    #[cfg(awslc_pregenerated)]
55    #[allow(non_snake_case, clippy::cast_possible_wrap)]
56    pub fn ERR_GET_LIB(packed_error: c_uint) -> c_int {
57        ((packed_error >> 24) & 0xFF) as c_int
58    }
59
60    #[cfg(awslc_pregenerated)]
61    #[allow(non_snake_case, clippy::cast_possible_wrap)]
62    pub fn ERR_GET_REASON(packed_error: c_uint) -> c_int {
63        (packed_error & 0xFFF) as c_int
64    }
65
66    #[cfg(awslc_pregenerated)]
67    #[allow(non_snake_case)]
68    pub fn ERR_GET_FUNC(_packed_error: c_uint) -> c_int {
69        0
70    }
71}
72#[cfg(awslc)]
73pub use aws_lc::*;
74
75#[cfg(openssl)]
76#[path = "."]
77mod openssl {
78    use std::ffi::{c_char, c_int, c_void};
79
80    #[cfg(feature = "bindgen")]
81    include!(concat!(env!("OUT_DIR"), "/bindgen.rs"));
82
83    pub use self::aes::*;
84    pub use self::asn1::*;
85    pub use self::bio::*;
86    pub use self::bn::*;
87    pub use self::cms::*;
88    #[cfg(ossl300)]
89    pub use self::core_dispatch::*;
90    pub use self::crypto::*;
91    pub use self::dh::*;
92    pub use self::dsa::*;
93    pub use self::dtls1::*;
94    pub use self::ec::*;
95    pub use self::err::*;
96    pub use self::evp::*;
97    #[cfg(not(feature = "bindgen"))]
98    pub use self::handwritten::*;
99    #[cfg(tongsuo)]
100    pub use self::ntls::*;
101    pub use self::obj_mac::*;
102    pub use self::ocsp::*;
103    pub use self::pem::*;
104    pub use self::pkcs7::*;
105    pub use self::rsa::*;
106    pub use self::sha::*;
107    pub use self::srtp::*;
108    pub use self::ssl::*;
109    pub use self::ssl3::*;
110    pub use self::tls1::*;
111    pub use self::types::*;
112    pub use self::x509::*;
113    pub use self::x509_vfy::*;
114    pub use self::x509v3::*;
115
116    #[macro_use]
117    mod macros;
118
119    mod aes;
120    mod asn1;
121    mod bio;
122    mod bn;
123    mod cms;
124    #[cfg(ossl300)]
125    mod core_dispatch;
126    mod crypto;
127    mod dh;
128    mod dsa;
129    mod dtls1;
130    mod ec;
131    mod err;
132    mod evp;
133    #[cfg(not(feature = "bindgen"))]
134    mod handwritten;
135    #[cfg(tongsuo)]
136    mod ntls;
137    mod obj_mac;
138    mod ocsp;
139    mod pem;
140    mod pkcs7;
141    mod rsa;
142    mod sha;
143    mod srtp;
144    mod ssl;
145    mod ssl3;
146    mod tls1;
147    mod types;
148    mod x509;
149    mod x509_vfy;
150    mod x509v3;
151
152    use std::sync::Once;
153    // explicitly initialize to work around https://github.com/openssl/openssl/issues/3505
154    static INIT: Once = Once::new();
155
156    // FIXME remove
157    pub type PasswordCallback = unsafe extern "C" fn(
158        buf: *mut c_char,
159        size: c_int,
160        rwflag: c_int,
161        user_data: *mut c_void,
162    ) -> c_int;
163
164    #[cfg(ossl110)]
165    pub fn init() {
166        use std::ptr;
167
168        #[cfg(not(ossl111b))]
169        let init_options = OPENSSL_INIT_LOAD_SSL_STRINGS;
170        #[cfg(ossl111b)]
171        let init_options = OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_NO_ATEXIT;
172
173        INIT.call_once(|| unsafe {
174            OPENSSL_init_ssl(init_options, ptr::null_mut());
175        })
176    }
177
178    #[cfg(libressl)]
179    pub fn init() {}
180
181    /// Disable explicit initialization of the openssl libs.
182    ///
183    /// This is only appropriate to use if the openssl crate is being consumed by an application
184    /// that will be performing the initialization explicitly.
185    ///
186    /// # Safety
187    ///
188    /// In some versions of openssl, skipping initialization will fall back to the default procedure
189    /// while other will cause difficult to debug errors so care must be taken when calling this.
190    pub unsafe fn assume_init() {
191        INIT.call_once(|| {});
192    }
193}
194#[cfg(openssl)]
195pub use openssl::*;
variant_ssl_sys/lib.rs

variant_ssl_sys/
lib.rs
