From 53c470c71a92067f0404561ac2610e5219626943 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?S=C3=A9bastien=20Marie?= Date: Wed, 21 Dec 2016 08:39:25 +0100 Subject: [PATCH] duplicate ossl10x.rs to libressl.rs --- openssl-sys/src/libressl.rs | 639 ++++++++++++++++++++++++++++++++++++ 1 file changed, 639 insertions(+) create mode 100644 openssl-sys/src/libressl.rs diff --git a/openssl-sys/src/libressl.rs b/openssl-sys/src/libressl.rs new file mode 100644 index 00000000..4f418f14 --- /dev/null +++ b/openssl-sys/src/libressl.rs @@ -0,0 +1,639 @@ +use std::sync::{Mutex, MutexGuard}; +use std::sync::{Once, ONCE_INIT}; +use std::mem; + +use libc::{c_int, c_char, c_void, c_long, c_uchar, size_t, c_uint, c_ulong}; +#[cfg(not(ossl101))] +use libc::time_t; + +#[repr(C)] +pub struct stack_st_ASN1_OBJECT { + pub stack: _STACK, +} + +#[repr(C)] +pub struct stack_st_X509 { + pub stack: _STACK, +} + +#[repr(C)] +pub struct stack_st_X509_NAME { + pub stack: _STACK, +} + +#[repr(C)] +pub struct stack_st_X509_ATTRIBUTE { + pub stack: _STACK, +} + +#[repr(C)] +pub struct stack_st_X509_EXTENSION { + pub stack: _STACK, +} + +#[repr(C)] +pub struct stack_st_GENERAL_NAME { + pub stack: _STACK, +} + +#[repr(C)] +pub struct stack_st_void { + pub stack: _STACK, +} + +#[repr(C)] +pub struct _STACK { + pub num: c_int, + pub data: *mut *mut c_char, + pub sorted: c_int, + pub num_alloc: c_int, + pub comp: Option c_int>, +} + +#[repr(C)] +pub struct BIO_METHOD { + pub type_: c_int, + pub name: *const c_char, + pub bwrite: Option c_int>, + pub bread: Option c_int>, + pub bputs: Option c_int>, + pub bgets: Option c_int>, + pub ctrl: Option c_long>, + pub create: Option c_int>, + pub destroy: Option c_int>, + pub callback_ctrl: Option c_long>, +} + +#[repr(C)] +pub struct RSA { + pub pad: c_int, + pub version: c_long, + pub meth: *const ::RSA_METHOD, + + pub engine: *mut ::ENGINE, + pub n: *mut ::BIGNUM, + pub e: *mut ::BIGNUM, + pub d: *mut ::BIGNUM, + pub p: *mut ::BIGNUM, + pub q: *mut ::BIGNUM, + pub dmp1: *mut ::BIGNUM, + pub dmq1: *mut ::BIGNUM, + pub iqmp: *mut ::BIGNUM, + + pub ex_data: ::CRYPTO_EX_DATA, + pub references: c_int, + pub flags: c_int, + + pub _method_mod_n: *mut ::BN_MONT_CTX, + pub _method_mod_p: *mut ::BN_MONT_CTX, + pub _method_mod_q: *mut ::BN_MONT_CTX, + + pub bignum_data: *mut c_char, + pub blinding: *mut ::BN_BLINDING, + pub mt_blinding: *mut ::BN_BLINDING, +} + +#[repr(C)] +pub struct DSA { + pub pad: c_int, + pub version: c_long, + pub write_params: c_int, + + pub p: *mut ::BIGNUM, + pub q: *mut ::BIGNUM, + pub g: *mut ::BIGNUM, + pub pub_key: *mut ::BIGNUM, + pub priv_key: *mut ::BIGNUM, + pub kinv: *mut ::BIGNUM, + pub r: *mut ::BIGNUM, + + pub flags: c_int, + pub method_mont_p: *mut ::BN_MONT_CTX, + pub references: c_int, + pub ex_data: ::CRYPTO_EX_DATA, + pub meth: *const ::DSA_METHOD, + pub engine: *mut ::ENGINE, +} + +#[repr(C)] +pub struct EVP_PKEY { + pub type_: c_int, + pub save_type: c_int, + pub references: c_int, + pub ameth: *const ::EVP_PKEY_ASN1_METHOD, + pub engine: *mut ::ENGINE, + pub pkey: *mut c_void, + pub save_parameters: c_int, + pub attributes: *mut stack_st_X509_ATTRIBUTE, +} + +#[repr(C)] +pub struct BIO { + pub method: *mut ::BIO_METHOD, + pub callback: Option c_long>, + pub cb_arg: *mut c_char, + pub init: c_int, + pub shutdown: c_int, + pub flags: c_int, + pub retry_reason: c_int, + pub num: c_int, + pub ptr: *mut c_void, + pub next_bio: *mut ::BIO, + pub prev_bio: *mut ::BIO, + pub references: c_int, + pub num_read: c_ulong, + pub num_write: c_ulong, + pub ex_data: ::CRYPTO_EX_DATA, +} + +#[repr(C)] +pub struct CRYPTO_EX_DATA { + pub sk: *mut ::stack_st_void, + pub dummy: c_int, +} + +#[repr(C)] +pub struct EVP_MD_CTX { + digest: *mut ::EVP_MD, + engine: *mut ::ENGINE, + flags: c_ulong, + md_data: *mut c_void, + pctx: *mut ::EVP_PKEY_CTX, + update: *mut c_void +} + +#[repr(C)] +pub struct EVP_CIPHER { + pub nid: c_int, + pub block_size: c_int, + pub key_len: c_int, + pub iv_len: c_int, + pub flags: c_ulong, + pub init: Option c_int>, + pub do_cipher: Option c_int>, + pub cleanup: Option c_int>, + pub ctx_size: c_int, + pub set_asn1_parameters: Option c_int>, + pub get_asn1_parameters: Option c_int>, + pub ctrl: Option c_int>, + pub app_data: *mut c_void, +} + +#[repr(C)] +pub struct HMAC_CTX { + md: *mut ::EVP_MD, + md_ctx: ::EVP_MD_CTX, + i_ctx: ::EVP_MD_CTX, + o_ctx: ::EVP_MD_CTX, + key_length: c_uint, + key: [c_uchar; 128] +} + +#[repr(C)] +pub struct BIGNUM { + pub d: *mut ::BN_ULONG, + pub top: c_int, + pub dmax: c_int, + pub neg: c_int, + pub flags: c_int, +} + +#[repr(C)] +pub struct DH { + pub pad: c_int, + pub version: c_int, + pub p: *mut ::BIGNUM, + pub g: *mut ::BIGNUM, + pub length: c_long, + pub pub_key: *mut ::BIGNUM, + pub priv_key: *mut ::BIGNUM, + pub flags: c_int, + pub method_mont_p: *mut ::BN_MONT_CTX, + pub q: *mut ::BIGNUM, + pub j: *mut ::BIGNUM, + pub seed: *mut c_uchar, + pub seedlen: c_int, + pub counter: *mut ::BIGNUM, + pub references: c_int, + pub ex_data: ::CRYPTO_EX_DATA, + pub meth: *const ::DH_METHOD, + pub engine: *mut ::ENGINE, +} + +#[repr(C)] +pub struct X509 { + pub cert_info: *mut X509_CINF, + sig_alg: *mut c_void, + signature: *mut c_void, + pub valid: c_int, + pub references: c_int, + pub name: *mut c_char, + pub ex_data: ::CRYPTO_EX_DATA, + pub ex_pathlen: c_long, + pub ex_pcpathlen: c_long, + pub ex_flags: c_ulong, + pub ex_kusage: c_ulong, + pub ex_xkusage: c_ulong, + pub ex_nscert: c_ulong, + skid: *mut c_void, + akid: *mut c_void, + policy_cache: *mut c_void, + crldp: *mut c_void, + altname: *mut c_void, + nc: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_RFC3779"))] + rfc3779_addr: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_RFC3779"))] + rfc3779_asid: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_SHA"))] + sha1_hash: [c_uchar; 20], + aux: *mut c_void, +} + +#[repr(C)] +pub struct X509_CINF { + version: *mut c_void, + serialNumber: *mut c_void, + signature: *mut c_void, + issuer: *mut c_void, + pub validity: *mut X509_VAL, + subject: *mut c_void, + key: *mut c_void, + issuerUID: *mut c_void, + subjectUID: *mut c_void, + pub extensions: *mut stack_st_X509_EXTENSION, + enc: ASN1_ENCODING, +} + +#[repr(C)] +pub struct ASN1_ENCODING { + pub enc: *mut c_uchar, + pub len: c_long, + pub modified: c_int, +} + +#[repr(C)] +pub struct X509_VAL { + pub notBefore: *mut ::ASN1_TIME, + pub notAfter: *mut ::ASN1_TIME, +} + +#[repr(C)] +pub struct SSL_CTX { + method: *mut c_void, + cipher_list: *mut c_void, + cipher_list_by_id: *mut c_void, + cert_store: *mut c_void, + sessions: *mut c_void, + session_cache_size: c_ulong, + session_cache_head: *mut c_void, + session_cache_tail: *mut c_void, + session_cache_mode: c_int, + session_timeout: c_long, + new_session_cb: *mut c_void, + remove_session_cb: *mut c_void, + get_session_cb: *mut c_void, + stats: [c_int; 11], + pub references: c_int, + app_verify_callback: *mut c_void, + app_verify_arg: *mut c_void, + default_passwd_callback: *mut c_void, + default_passwd_callback_userdata: *mut c_void, + client_cert_cb: *mut c_void, + app_gen_cookie_cb: *mut c_void, + app_verify_cookie_cb: *mut c_void, + ex_dat: ::CRYPTO_EX_DATA, + rsa_md5: *mut c_void, + md5: *mut c_void, + sha1: *mut c_void, + extra_certs: *mut c_void, + comp_methods: *mut c_void, + info_callback: *mut c_void, + client_CA: *mut c_void, + options: c_ulong, + mode: c_ulong, + max_cert_list: c_long, + cert: *mut c_void, + read_ahead: c_int, + msg_callback: *mut c_void, + msg_callback_arg: *mut c_void, + verify_mode: c_int, + sid_ctx_length: c_uint, + sid_ctx: [c_uchar; 32], + default_verify_callback: *mut c_void, + generate_session_id: *mut c_void, + param: *mut c_void, + quiet_shutdown: c_int, + max_send_fragment: c_uint, + + #[cfg(not(osslconf = "OPENSSL_NO_ENGINE"))] + client_cert_engine: *mut c_void, + + #[cfg(not(osslconf = "OPENSSL_NO_TLSEXT"))] + tlsext_servername_callback: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_TLSEXT"))] + tlsect_servername_arg: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_TLSEXT"))] + tlsext_tick_key_name: [c_uchar; 16], + #[cfg(not(osslconf = "OPENSSL_NO_TLSEXT"))] + tlsext_tick_hmac_key: [c_uchar; 16], + #[cfg(not(osslconf = "OPENSSL_NO_TLSEXT"))] + tlsext_tick_aes_key: [c_uchar; 16], + #[cfg(not(osslconf = "OPENSSL_NO_TLSEXT"))] + tlsext_ticket_key_cb: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_TLSEXT"))] + tlsext_status_cb: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_TLSEXT"))] + tlsext_status_arg: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_TLSEXT"))] + tlsext_opaque_prf_input_callback: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_TLSEXT"))] + tlsext_opaque_prf_input_callback_arg: *mut c_void, + + #[cfg(not(osslconf = "OPENSSL_NO_PSK"))] + psk_identity_hint: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_PSK"))] + psk_client_callback: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_PSK"))] + psk_server_callback: *mut c_void, + + #[cfg(not(osslconf = "OPENSSL_NO_BUF_FREELISTS"))] + freelist_max_len: c_uint, + #[cfg(not(osslconf = "OPENSSL_NO_BUF_FREELISTS"))] + wbuf_freelist: *mut c_void, + #[cfg(not(osslconf = "OPENSSL_NO_BUF_FREELISTS"))] + rbuf_freelist: *mut c_void, + + #[cfg(not(osslconf = "OPENSSL_NO_SRP"))] + srp_ctx: SRP_CTX, + + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), not(osslconf = "OPENSSL_NO_NEXTPROTONEG")))] + next_protos_advertised_cb: *mut c_void, + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), not(osslconf = "OPENSSL_NO_NEXTPROTONEG")))] + next_protos_advertised_cb_arg: *mut c_void, + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), not(osslconf = "OPENSSL_NO_NEXTPROTONEG")))] + next_proto_select_cb: *mut c_void, + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), not(osslconf = "OPENSSL_NO_NEXTPROTONEG")))] + next_proto_select_cb_arg: *mut c_void, + + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), ossl101))] + srtp_profiles: *mut c_void, + + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), ossl102))] + srtp_profiles: *mut c_void, + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), ossl102))] + alpn_select_cb: *mut c_void, + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), ossl102))] + alpn_select_cb_arg: *mut c_void, + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), ossl102))] + alpn_client_proto_list: *mut c_void, + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), ossl102))] + alpn_client_proto_list_len: c_uint, + + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), not(osslconf = "OPENSSL_NO_EC"), ossl102))] + tlsext_ecpointformatlist_length: size_t, + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), not(osslconf = "OPENSSL_NO_EC"), ossl102))] + tlsext_ecpointformatlist: *mut c_uchar, + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), not(osslconf = "OPENSSL_NO_EC"), ossl102))] + tlsext_ellipticcurvelist_length: size_t, + #[cfg(all(not(osslconf = "OPENSSL_NO_TLSEXT"), not(osslconf = "OPENSSL_NO_EC"), ossl102))] + tlsext_ellipticcurvelist: *mut c_uchar, +} + +#[repr(C)] +pub struct SRP_CTX { + SRP_cb_arg: *mut c_void, + TLS_ext_srp_username_callback: *mut c_void, + SRP_verify_param_callback: *mut c_void, + SRP_give_srp_client_pwd_callback: *mut c_void, + login: *mut c_void, + N: *mut c_void, + g: *mut c_void, + s: *mut c_void, + B: *mut c_void, + A: *mut c_void, + a: *mut c_void, + b: *mut c_void, + v: *mut c_void, + info: *mut c_void, + stringth: c_int, + srp_Mask: c_ulong, +} + +#[repr(C)] +#[cfg(not(ossl101))] +pub struct X509_VERIFY_PARAM { + pub name: *mut c_char, + pub check_time: time_t, + pub inh_flags: c_ulong, + pub flags: c_ulong, + pub purpose: c_int, + pub trust: c_int, + pub depth: c_int, + pub policies: *mut stack_st_ASN1_OBJECT, + pub id: *mut X509_VERIFY_PARAM_ID, +} + +#[cfg(not(ossl101))] +pub enum X509_VERIFY_PARAM_ID {} + +pub const SSL_CTRL_OPTIONS: c_int = 32; +pub const SSL_CTRL_CLEAR_OPTIONS: c_int = 77; +#[cfg(ossl102)] +pub const SSL_CTRL_SET_ECDH_AUTO: c_int = 94; + +pub const SSL_OP_MICROSOFT_SESS_ID_BUG: c_ulong = 0x00000001; +pub const SSL_OP_NETSCAPE_CHALLENGE_BUG: c_ulong = 0x00000002; +pub const SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG: c_ulong = 0x00000008; +pub const SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER: c_ulong = 0x00000020; +pub const SSL_OP_SSLEAY_080_CLIENT_DH_BUG: c_ulong = 0x00000080; +pub const SSL_OP_TLS_D5_BUG: c_ulong = 0x00000100; +pub const SSL_OP_TLS_BLOCK_PADDING_BUG: c_ulong = 0x00000200; +pub const SSL_OP_SINGLE_ECDH_USE: c_ulong = 0x00080000; +pub const SSL_OP_SINGLE_DH_USE: c_ulong = 0x00100000; +pub const SSL_OP_NO_SSLv2: c_ulong = 0x01000000; + +pub const SSLEAY_VERSION : c_int = 0; +pub const SSLEAY_CFLAGS : c_int = 2; +pub const SSLEAY_BUILT_ON : c_int = 3; +pub const SSLEAY_PLATFORM : c_int = 4; +pub const SSLEAY_DIR : c_int = 5; + +pub const CRYPTO_LOCK_X509: c_int = 3; +pub const CRYPTO_LOCK_SSL_CTX: c_int = 12; + +static mut MUTEXES: *mut Vec> = 0 as *mut Vec>; +static mut GUARDS: *mut Vec>> = 0 as *mut Vec>>; + +unsafe extern 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 { + &(*GUARDS)[n as usize].take(); + } +} + +pub fn init() { + static INIT: Once = ONCE_INIT; + + 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>>> = + Box::new((0..num_locks).map(|_| None).collect()); + GUARDS = mem::transmute(guards); + + CRYPTO_set_locking_callback(locking_function); + set_id_callback(); + } + }) +} + +#[cfg(unix)] +fn set_id_callback() { + unsafe extern fn thread_id() -> c_ulong { + ::libc::pthread_self() as c_ulong + } + + unsafe { + CRYPTO_set_id_callback(thread_id); + } +} + +#[cfg(not(unix))] +fn set_id_callback() {} + +// macros + +#[cfg(ossl102)] +pub unsafe fn SSL_CTX_set_ecdh_auto(ctx: *mut SSL_CTX, onoff: c_int) -> c_int { + ::SSL_CTX_ctrl(ctx, SSL_CTRL_SET_ECDH_AUTO, onoff as c_long, ::std::ptr::null_mut()) as c_int +} + +#[cfg(ossl102)] +pub unsafe fn SSL_set_ecdh_auto(ssl: *mut ::SSL, onoff: c_int) -> c_int { + ::SSL_ctrl(ssl, SSL_CTRL_SET_ECDH_AUTO, onoff as c_long, ::std::ptr::null_mut()) as c_int +} + +extern { + pub fn BIO_new(type_: *mut BIO_METHOD) -> *mut BIO; + pub fn BIO_s_file() -> *mut BIO_METHOD; + pub fn BIO_s_mem() -> *mut BIO_METHOD; + + pub fn get_rfc2409_prime_768(bn: *mut BIGNUM) -> *mut BIGNUM; + pub fn get_rfc2409_prime_1024(bn: *mut BIGNUM) -> *mut BIGNUM; + pub fn get_rfc3526_prime_1536(bn: *mut BIGNUM) -> *mut BIGNUM; + pub fn get_rfc3526_prime_2048(bn: *mut BIGNUM) -> *mut BIGNUM; + pub fn get_rfc3526_prime_3072(bn: *mut BIGNUM) -> *mut BIGNUM; + pub fn get_rfc3526_prime_4096(bn: *mut BIGNUM) -> *mut BIGNUM; + pub fn get_rfc3526_prime_6144(bn: *mut BIGNUM) -> *mut BIGNUM; + pub fn get_rfc3526_prime_8192(bn: *mut BIGNUM) -> *mut BIGNUM; + + pub fn CRYPTO_free(buf: *mut c_void); + pub fn CRYPTO_num_locks() -> c_int; + pub fn CRYPTO_set_locking_callback(func: unsafe extern "C" fn(mode: c_int, + n: c_int, + file: *const c_char, + line: c_int)); + pub fn CRYPTO_set_id_callback(func: unsafe extern "C" fn() -> c_ulong); + + pub fn ERR_load_crypto_strings(); + + pub fn RSA_generate_key(modsz: c_int, + e: c_ulong, + cb: Option, + cbarg: *mut c_void) -> *mut RSA; + + pub fn SSL_library_init() -> c_int; + pub fn SSL_load_error_strings(); + pub fn OPENSSL_add_all_algorithms_noconf(); + pub fn HMAC_CTX_init(ctx: *mut ::HMAC_CTX); + pub fn HMAC_CTX_cleanup(ctx: *mut ::HMAC_CTX); + #[cfg(not(osslconf = "OPENSSL_NO_SSL3_METHOD"))] + pub fn SSLv3_method() -> *const ::SSL_METHOD; + pub fn TLSv1_method() -> *const ::SSL_METHOD; + pub fn SSLv23_method() -> *const ::SSL_METHOD; + pub fn TLSv1_1_method() -> *const ::SSL_METHOD; + pub fn TLSv1_2_method() -> *const ::SSL_METHOD; + pub fn DTLSv1_method() -> *const ::SSL_METHOD; + #[cfg(ossl102)] + pub fn DTLSv1_2_method() -> *const ::SSL_METHOD; + pub fn SSL_get_ex_new_index(argl: c_long, argp: *mut c_void, + new_func: Option<::CRYPTO_EX_new>, + dup_func: Option<::CRYPTO_EX_dup>, + free_func: Option<::CRYPTO_EX_free>) + -> c_int; + pub fn SSL_set_tmp_ecdh_callback(ssl: *mut ::SSL, + ecdh: unsafe extern fn(ssl: *mut ::SSL, + is_export: c_int, + keylength: c_int) + -> *mut ::EC_KEY); + pub fn SSL_CIPHER_get_version(cipher: *const ::SSL_CIPHER) -> *mut c_char; + pub fn SSL_CTX_get_ex_new_index(argl: c_long, argp: *mut c_void, + new_func: Option<::CRYPTO_EX_new>, + dup_func: Option<::CRYPTO_EX_dup>, + free_func: Option<::CRYPTO_EX_free>) + -> c_int; + pub fn SSL_CTX_set_tmp_ecdh_callback(ctx: *mut ::SSL_CTX, + ecdh: unsafe extern fn(ssl: *mut ::SSL, + is_export: c_int, + keylength: c_int) + -> *mut ::EC_KEY); + pub fn X509_get_subject_name(x: *mut ::X509) -> *mut ::X509_NAME; + pub fn X509_set_notAfter(x: *mut ::X509, tm: *const ::ASN1_TIME) -> c_int; + pub fn X509_set_notBefore(x: *mut ::X509, tm: *const ::ASN1_TIME) -> c_int; + pub fn X509_get_ext_d2i(x: *mut ::X509, nid: c_int, crit: *mut c_int, idx: *mut c_int) -> *mut c_void; + pub fn X509_NAME_get_entry(n: *mut ::X509_NAME, loc: c_int) -> *mut ::X509_NAME_ENTRY; + pub fn X509_NAME_ENTRY_get_data(ne: *mut ::X509_NAME_ENTRY) -> *mut ::ASN1_STRING; + pub fn X509_STORE_CTX_get_chain(ctx: *mut ::X509_STORE_CTX) -> *mut stack_st_X509; + pub fn X509V3_EXT_nconf_nid(conf: *mut ::CONF, ctx: *mut ::X509V3_CTX, ext_nid: c_int, value: *mut c_char) -> *mut ::X509_EXTENSION; + pub fn X509V3_EXT_nconf(conf: *mut ::CONF, ctx: *mut ::X509V3_CTX, name: *mut c_char, value: *mut c_char) -> *mut ::X509_EXTENSION; + pub fn ASN1_STRING_to_UTF8(out: *mut *mut c_uchar, s: *mut ::ASN1_STRING) -> c_int; + pub fn ASN1_STRING_data(x: *mut ::ASN1_STRING) -> *mut c_uchar; + pub fn CRYPTO_add_lock(pointer: *mut c_int, + amount: c_int, + type_: c_int, + file: *const c_char, + line: c_int) -> c_int; + pub fn EVP_MD_CTX_create() -> *mut EVP_MD_CTX; + pub fn EVP_MD_CTX_destroy(ctx: *mut EVP_MD_CTX); + pub fn EVP_PKEY_bits(key: *mut EVP_PKEY) -> c_int; + + pub fn sk_num(st: *const _STACK) -> c_int; + pub fn sk_value(st: *const _STACK, n: c_int) -> *mut c_void; + pub fn sk_free(st: *mut _STACK); + pub fn sk_pop_free(st: *mut _STACK, free: Option); + pub fn sk_pop(st: *mut _STACK) -> *mut c_void; + + pub fn SSLeay() -> c_ulong; + pub fn SSLeay_version(key: c_int) -> *const c_char; +}