Merge pull request #636 from sfackler/libressl-fix

Fix LibreSSL versions other than 2.5.0

.travis.yml

@@ -72,6 +72,8 @@ matrix:
     # LibreSSL
     - env: BUILD_LIBRESSL_VERSION=2.5.0
 
+    - env: BUILD_LIBRESSL_VERSION=2.5.4
+
 before_install:
   - ./openssl/test/build.sh
   - rustup target add $TARGET || true

openssl-sys/build.rs

@@ -240,9 +240,21 @@ fn validate_headers(include_dirs: &[PathBuf]) -> Version {
 #include <openssl/opensslv.h>
 #include <openssl/opensslconf.h>
 
-#ifdef LIBRESSL_VERSION_NUMBER
+#if LIBRESSL_VERSION_NUMBER >= 0x20505000
-RUST_LIBRESSL
+RUST_LIBRESSL_NEW
-#elif OPENSSL_VERSION_NUMBER >= 0x10200000
+#elif LIBRESSL_VERSION_NUMBER >= 0x20504000
+RUST_LIBRESSL_254
+#elif LIBRESSL_VERSION_NUMBER >= 0x20503000
+RUST_LIBRESSL_253
+#elif LIBRESSL_VERSION_NUMBER >= 0x20502000
+RUST_LIBRESSL_252
+#elif LIBRESSL_VERSION_NUMBER >= 0x20501000
+RUST_LIBRESSL_251
+#elif LIBRESSL_VERSION_NUMBER >= 0x20500000
+RUST_LIBRESSL_250
+#elif defined (LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20500000
+RUST_LIBRESSL_OLD
+#elif OPENSSL_VERSION_NUMBER >= 0x10101000
 RUST_OPENSSL_NEW
 #elif OPENSSL_VERSION_NUMBER >= 0x10100000
 RUST_OPENSSL_110
@@ -305,8 +317,33 @@ See rust-openssl README for more information:
     }
     println!("cargo:conf={}", enabled.join(","));
 
-    if expanded.contains("RUST_LIBRESSL") {
+    if expanded.contains("RUST_LIBRESSL_250") {
         println!("cargo:rustc-cfg=libressl");
+        println!("cargo:rustc-cfg=libressl250");
+        println!("cargo:libressl=true");
+        println!("cargo:version=101");
+        Version::Libressl
+    } else if expanded.contains("RUST_LIBRESSL_251") {
+        println!("cargo:rustc-cfg=libressl");
+        println!("cargo:rustc-cfg=libressl251");
+        println!("cargo:libressl=true");
+        println!("cargo:version=101");
+        Version::Libressl
+    } else if expanded.contains("RUST_LIBRESSL_252") {
+        println!("cargo:rustc-cfg=libressl");
+        println!("cargo:rustc-cfg=libressl252");
+        println!("cargo:libressl=true");
+        println!("cargo:version=101");
+        Version::Libressl
+    } else if expanded.contains("RUST_LIBRESSL_253") {
+        println!("cargo:rustc-cfg=libressl");
+        println!("cargo:rustc-cfg=libressl253");
+        println!("cargo:libressl=true");
+        println!("cargo:version=101");
+        Version::Libressl
+    } else if expanded.contains("RUST_LIBRESSL_254") {
+        println!("cargo:rustc-cfg=libressl");
+        println!("cargo:rustc-cfg=libressl254");
         println!("cargo:libressl=true");
         println!("cargo:version=101");
         Version::Libressl
@@ -325,9 +362,9 @@ See rust-openssl README for more information:
     } else {
         panic!("
 
-This crate is only compatible with OpenSSL 1.0.1, 1.0.2, and 1.1.0, or LibreSSL,
+This crate is only compatible with OpenSSL 1.0.1, 1.0.2, and 1.1.0, or LibreSSL
-but a different version of OpenSSL was found. The build is now aborting due to
+2.5.0, 2.5.1, 2.5.2, 2.5.3, and 2.5.4, but a different version of OpenSSL was
-this version mismatch.
+found. The build is now aborting due to this version mismatch.
 
 ");
     }

openssl-sys/src/libressl/mod.rs

@@ -3,8 +3,17 @@ use std::sync::{Once, ONCE_INIT};
 use std::mem;
 use std::ptr;
 
+#[cfg(libressl250)]
+pub use libressl::v250::*;
+#[cfg(not(libressl250))]
+pub use libressl::v25x::*;
+
 use libc::{c_int, c_char, c_void, c_long, c_uchar, size_t, c_uint, c_ulong};
-use libc::time_t;
+
+#[cfg(libressl250)]
+mod v250;
+#[cfg(not(libressl250))]
+mod v25x;
 
 #[repr(C)]
 pub struct stack_st_ASN1_OBJECT {
@@ -322,215 +331,6 @@ pub struct X509_REQ {
     references: c_int
 }
 
-#[repr(C)]
-pub struct SSL {
-    version: c_int,
-    type_: c_int,
-    method: *const ::SSL_METHOD,
-    rbio: *mut c_void,
-    wbio: *mut c_void,
-    bbio: *mut c_void,
-    rwstate: c_int,
-    in_handshake: c_int,
-    handshake_func: Option<unsafe extern fn(*mut SSL) -> c_int>,
-    pub server: c_int,
-    new_session: c_int,
-    quiet_shutdown: c_int,
-    shutdown: c_int,
-    state: c_int,
-    rstate: c_int,
-    init_buf: *mut c_void,
-    init_msg: *mut c_void,
-    init_num: c_int,
-    init_off: c_int,
-    packet: *mut c_uchar,
-    packet_length: c_uint,
-    s3: *mut c_void,
-    d1: *mut c_void,
-    read_ahead: c_int,
-    msg_callback: Option<unsafe extern fn(c_int, c_int, c_int, *const c_void, size_t, *mut SSL, *mut c_void)>,
-    msg_callback_arg: *mut c_void,
-    hit: c_int,
-    param: *mut c_void,
-    cipher_list: *mut stack_st_SSL_CIPHER,
-    cipher_list_by_id: *mut stack_st_SSL_CIPHER,
-    mac_flags: c_int,
-    aead_read_ctx: *mut c_void,
-    enc_read_ctx: *mut ::EVP_CIPHER_CTX,
-    read_hash: *mut ::EVP_MD_CTX,
-    aead_write_ctx: *mut c_void,
-    enc_write_ctx: *mut ::EVP_CIPHER_CTX,
-    write_hash: *mut ::EVP_MD_CTX,
-    cert: *mut c_void,
-    sid_ctx_length: c_uint,
-    sid_ctx: [c_uchar; ::SSL_MAX_SID_CTX_LENGTH as usize],
-    session: *mut ::SSL_SESSION,
-    generate_session_id: ::GEN_SESSION_CB,
-    verify_mode: c_int,
-    verify_callback: Option<unsafe extern fn(c_int, *mut ::X509_STORE_CTX) -> c_int>,
-    info_callback: Option<unsafe extern fn(*mut SSL, c_int, c_int)>,
-    error: c_int,
-    error_code: c_int,
-    ctx: *mut ::SSL_CTX,
-    debug: c_int,
-    verify_result: c_long,
-    ex_data: ::CRYPTO_EX_DATA,
-    client_CA: *mut stack_st_X509_NAME,
-    references: c_int,
-    options: c_ulong,
-    mode: c_ulong,
-    max_cert_list: c_long,
-    first_packet: c_int,
-    client_version: c_int,
-    max_send_fragment: c_uint,
-    tlsext_debug_cb: Option<unsafe extern fn(*mut SSL, c_int, c_int, *mut c_uchar, c_int, *mut c_void)>,
-    tlsext_debug_arg: *mut c_void,
-    tlsext_hostname: *mut c_char,
-    servername_done: c_int,
-    tlsext_status_type: c_int,
-    tlsext_status_expected: c_int,
-    tlsext_ocsp_ids: *mut c_void,
-    tlsext_ocsp_exts: *mut c_void,
-    tlsext_ocsp_resp: *mut c_uchar,
-    tlsext_ocsp_resplen: c_int,
-    tlsext_ticket_expected: c_int,
-    tlsext_ecpointformatlist_length: size_t,
-    tlsext_ecpointformatlist: *mut c_uchar,
-    tlsext_ellipticcurvelist_length: size_t,
-    tlsext_ellipticcurvelist: *mut c_uchar,
-    tlsext_session_ticket: *mut c_void,
-    tlsext_session_ticket_ext_cb: ::tls_session_ticket_ext_cb_fn,
-    tls_session_ticket_ext_cb_arg: *mut c_void,
-    tls_session_secret_cb: ::tls_session_secret_cb_fn,
-    tls_session_secret_cb_arg: *mut c_void,
-    initial_ctx: *mut ::SSL_CTX,
-    next_proto_negotiated: *mut c_uchar,
-    next_proto_negotiated_len: c_uchar,
-    srtp_profiles: *mut c_void,
-    srtp_profile: *mut c_void,
-    tlsext_heartbeat: c_uint,
-    tlsext_hb_pending: c_uint,
-    tlsext_hb_seq: c_uint,
-    alpn_client_proto_list: *mut c_uchar,
-    alpn_client_proto_list_len: c_uint,
-    renegotiate: c_int,
-}
-
-#[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,
-
-    tlsext_servername_callback: *mut c_void,
-    tlsect_servername_arg: *mut c_void,
-    tlsext_tick_key_name: [c_uchar; 16],
-    tlsext_tick_hmac_key: [c_uchar; 16],
-    tlsext_tick_aes_key: [c_uchar; 16],
-    tlsext_ticket_key_cb: *mut c_void,
-    tlsext_status_cb: *mut c_void,
-    tlsext_status_arg: *mut c_void,
-    tlsext_opaque_prf_input_callback: *mut c_void,
-    tlsext_opaque_prf_input_callback_arg: *mut c_void,
-
-    next_protos_advertised_cb: *mut c_void,
-    next_protos_advertised_cb_arg: *mut c_void,
-    next_proto_select_cb: *mut c_void,
-    next_proto_select_cb_arg: *mut c_void,
-
-    srtp_profiles: *mut c_void,
-}
-
-#[repr(C)]
-pub struct SSL_SESSION {
-    ssl_version: c_int,
-    pub master_key_length: c_int,
-    pub master_key: [c_uchar; 48],
-    session_id_length: c_uint,
-    session_id: [c_uchar; SSL_MAX_SSL_SESSION_ID_LENGTH as usize],
-    sid_ctx_length: c_uint,
-    sid_ctx: [c_uchar; SSL_MAX_SID_CTX_LENGTH as usize],
-    not_resumable: c_int,
-    sess_cert: *mut c_void,
-    peer: *mut X509,
-    verify_result: c_long,
-    timeout: c_long,
-    time: time_t,
-    pub references: c_int,
-    cipher: *const c_void,
-    cipher_id: c_ulong,
-    ciphers: *mut c_void,
-    ex_data: ::CRYPTO_EX_DATA,
-    prev: *mut c_void,
-    next: *mut c_void,
-    tlsext_hostname: *mut c_char,
-    tlsext_ecpointformatlist_length: size_t,
-    tlsext_ecpointformatlist: *mut u8,
-    tlsext_ellipticcurvelist_length: size_t,
-    tlsext_ellipticcurvelist: *mut u16,
-    tlsext_tick: *mut c_uchar,
-    tlsext_ticklen: size_t,
-    tlsext_tick_lifetime_hint: c_long,
-}
-
-#[repr(C)]
-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,
-}
-
 pub enum X509_VERIFY_PARAM_ID {}
 pub enum PKCS12 {}
 

openssl-sys/src/libressl/v250.rs

@@ -0,0 +1,212 @@
+use libc::{c_int, c_char, c_void, c_long, c_uchar, size_t, c_uint, c_ulong, time_t};
+
+use super::*;
+
+#[repr(C)]
+pub struct SSL {
+    version: c_int,
+    type_: c_int,
+    method: *const ::SSL_METHOD,
+    rbio: *mut c_void,
+    wbio: *mut c_void,
+    bbio: *mut c_void,
+    rwstate: c_int,
+    in_handshake: c_int,
+    handshake_func: Option<unsafe extern fn(*mut SSL) -> c_int>,
+    pub server: c_int,
+    new_session: c_int,
+    quiet_shutdown: c_int,
+    shutdown: c_int,
+    state: c_int,
+    rstate: c_int,
+    init_buf: *mut c_void,
+    init_msg: *mut c_void,
+    init_num: c_int,
+    init_off: c_int,
+    packet: *mut c_uchar,
+    packet_length: c_uint,
+    s3: *mut c_void,
+    d1: *mut c_void,
+    read_ahead: c_int,
+    msg_callback: Option<unsafe extern fn(c_int, c_int, c_int, *const c_void, size_t, *mut SSL, *mut c_void)>,
+    msg_callback_arg: *mut c_void,
+    hit: c_int,
+    param: *mut c_void,
+    cipher_list: *mut stack_st_SSL_CIPHER,
+    cipher_list_by_id: *mut stack_st_SSL_CIPHER,
+    mac_flags: c_int,
+    aead_read_ctx: *mut c_void,
+    enc_read_ctx: *mut ::EVP_CIPHER_CTX,
+    read_hash: *mut ::EVP_MD_CTX,
+    aead_write_ctx: *mut c_void,
+    enc_write_ctx: *mut ::EVP_CIPHER_CTX,
+    write_hash: *mut ::EVP_MD_CTX,
+    cert: *mut c_void,
+    sid_ctx_length: c_uint,
+    sid_ctx: [c_uchar; ::SSL_MAX_SID_CTX_LENGTH as usize],
+    session: *mut ::SSL_SESSION,
+    generate_session_id: ::GEN_SESSION_CB,
+    verify_mode: c_int,
+    verify_callback: Option<unsafe extern fn(c_int, *mut ::X509_STORE_CTX) -> c_int>,
+    info_callback: Option<unsafe extern fn(*mut SSL, c_int, c_int)>,
+    error: c_int,
+    error_code: c_int,
+    ctx: *mut ::SSL_CTX,
+    debug: c_int,
+    verify_result: c_long,
+    ex_data: ::CRYPTO_EX_DATA,
+    client_CA: *mut stack_st_X509_NAME,
+    references: c_int,
+    options: c_ulong,
+    mode: c_ulong,
+    max_cert_list: c_long,
+    first_packet: c_int,
+    client_version: c_int,
+    max_send_fragment: c_uint,
+    tlsext_debug_cb: Option<unsafe extern fn(*mut SSL, c_int, c_int, *mut c_uchar, c_int, *mut c_void)>,
+    tlsext_debug_arg: *mut c_void,
+    tlsext_hostname: *mut c_char,
+    servername_done: c_int,
+    tlsext_status_type: c_int,
+    tlsext_status_expected: c_int,
+    tlsext_ocsp_ids: *mut c_void,
+    tlsext_ocsp_exts: *mut c_void,
+    tlsext_ocsp_resp: *mut c_uchar,
+    tlsext_ocsp_resplen: c_int,
+    tlsext_ticket_expected: c_int,
+    tlsext_ecpointformatlist_length: size_t,
+    tlsext_ecpointformatlist: *mut c_uchar,
+    tlsext_ellipticcurvelist_length: size_t,
+    tlsext_ellipticcurvelist: *mut c_uchar,
+    tlsext_session_ticket: *mut c_void,
+    tlsext_session_ticket_ext_cb: ::tls_session_ticket_ext_cb_fn,
+    tls_session_ticket_ext_cb_arg: *mut c_void,
+    tls_session_secret_cb: ::tls_session_secret_cb_fn,
+    tls_session_secret_cb_arg: *mut c_void,
+    initial_ctx: *mut ::SSL_CTX,
+    next_proto_negotiated: *mut c_uchar,
+    next_proto_negotiated_len: c_uchar,
+    srtp_profiles: *mut c_void,
+    srtp_profile: *mut c_void,
+    tlsext_heartbeat: c_uint,
+    tlsext_hb_pending: c_uint,
+    tlsext_hb_seq: c_uint,
+    alpn_client_proto_list: *mut c_uchar,
+    alpn_client_proto_list_len: c_uint,
+    renegotiate: c_int,
+}
+
+#[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,
+
+    tlsext_servername_callback: *mut c_void,
+    tlsect_servername_arg: *mut c_void,
+    tlsext_tick_key_name: [c_uchar; 16],
+    tlsext_tick_hmac_key: [c_uchar; 16],
+    tlsext_tick_aes_key: [c_uchar; 16],
+    tlsext_ticket_key_cb: *mut c_void,
+    tlsext_status_cb: *mut c_void,
+    tlsext_status_arg: *mut c_void,
+    tlsext_opaque_prf_input_callback: *mut c_void,
+    tlsext_opaque_prf_input_callback_arg: *mut c_void,
+
+    next_protos_advertised_cb: *mut c_void,
+    next_protos_advertised_cb_arg: *mut c_void,
+    next_proto_select_cb: *mut c_void,
+    next_proto_select_cb_arg: *mut c_void,
+
+    srtp_profiles: *mut c_void,
+}
+
+#[repr(C)]
+pub struct SSL_SESSION {
+    ssl_version: c_int,
+    pub master_key_length: c_int,
+    pub master_key: [c_uchar; 48],
+    session_id_length: c_uint,
+    session_id: [c_uchar; SSL_MAX_SSL_SESSION_ID_LENGTH as usize],
+    sid_ctx_length: c_uint,
+    sid_ctx: [c_uchar; SSL_MAX_SID_CTX_LENGTH as usize],
+    not_resumable: c_int,
+    sess_cert: *mut c_void,
+    peer: *mut X509,
+    verify_result: c_long,
+    timeout: c_long,
+    time: time_t,
+    pub references: c_int,
+    cipher: *const c_void,
+    cipher_id: c_ulong,
+    ciphers: *mut c_void,
+    ex_data: ::CRYPTO_EX_DATA,
+    prev: *mut c_void,
+    next: *mut c_void,
+    tlsext_hostname: *mut c_char,
+    tlsext_ecpointformatlist_length: size_t,
+    tlsext_ecpointformatlist: *mut u8,
+    tlsext_ellipticcurvelist_length: size_t,
+    tlsext_ellipticcurvelist: *mut u16,
+    tlsext_tick: *mut c_uchar,
+    tlsext_ticklen: size_t,
+    tlsext_tick_lifetime_hint: c_long,
+}
+
+#[repr(C)]
+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,
+}

openssl-sys/src/libressl/v25x.rs

@@ -0,0 +1,89 @@
+use libc::{c_int, c_char, c_void, c_long, c_uchar, size_t, c_uint, c_ulong, time_t};
+
+use super::*;
+
+#[repr(C)]
+pub struct SSL {
+    version: c_int,
+    method: *const ::SSL_METHOD,
+    rbio: *mut ::BIO,
+    wbio: *mut ::BIO,
+    bbio: *mut ::BIO,
+    pub server: c_int,
+    s3: *mut c_void,
+    d1: *mut c_void,
+    param: *mut c_void,
+    cipher_list: *mut stack_st_SSL_CIPHER,
+    cert: *mut c_void,
+    sid_ctx_length: c_uint,
+    sid_ctx: [c_uchar; ::SSL_MAX_SID_CTX_LENGTH as usize],
+    session: *mut ::SSL_SESSION,
+    verify_mode: c_int,
+    error: c_int,
+    error_code: c_int,
+    ctx: *mut ::SSL_CTX,
+    verify_result: c_long,
+    references: c_int,
+    client_version: c_int,
+    max_send_fragment: c_uint,
+    tlsext_hostname: *mut c_char,
+    tlsext_status_type: c_int,
+    initial_ctx: *mut ::SSL_CTX,
+    enc_read_ctx: *mut ::EVP_CIPHER_CTX,
+    read_hash: *mut EVP_MD_CTX,
+    internal: *mut c_void,
+}
+
+#[repr(C)]
+pub struct SSL_CTX {
+    method: *const ::SSL_METHOD,
+    cipher_list: *mut stack_st_SSL_CIPHER,
+    cert_store: *mut c_void,
+    session_timeout: c_long,
+    pub references: c_int,
+    extra_certs: *mut stack_st_X509,
+    verify_mode: c_int,
+    sid_ctx_length: c_uint,
+    sid_ctx: [c_uchar; ::SSL_MAX_SID_CTX_LENGTH as usize],
+    param: *mut ::X509_VERIFY_PARAM,
+    default_passwd_callback: *mut c_void,
+    default_passwd_callback_userdata: *mut c_void,
+    internal: *mut c_void,
+}
+
+#[repr(C)]
+pub struct SSL_SESSION {
+    ssl_version: c_int,
+    pub master_key_length: c_int,
+    pub master_key: [c_uchar; 48 /*::SSL_MAX_MASTER_KEY_LENGTH as usize */],
+    session_id_length: c_uint,
+    session_id: [c_uchar; ::SSL_MAX_SSL_SESSION_ID_LENGTH as usize],
+    sid_ctx_length: c_uint,
+    sid_ctx: [c_uchar; ::SSL_MAX_SID_CTX_LENGTH as usize],
+    peer: *mut ::X509,
+    verify_result: c_long,
+    timeout: c_long,
+    time: time_t,
+    pub references: c_int,
+    cipher: *const ::SSL_CIPHER,
+    cipher_id: c_long,
+    ciphers: *mut stack_st_SSL_CIPHER,
+    tlsext_hostname: *mut c_char,
+    tlsext_tick: *mut c_uchar,
+    tlsext_ticklen: size_t,
+    tlsext_tick_lifetime_int: c_long,
+    internal: *mut c_void,
+}
+
+#[repr(C)]
+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,
+    policies: *mut stack_st_ASN1_OBJECT,
+    id: *mut c_void,
+}