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use libc::{c_char, c_uchar, c_int, c_uint, c_ulong, size_t, c_void};
pub type SSL_CTX_keylog_cb_func =
Option<unsafe extern "C" fn(ssl: *const ::SSL, line: *const c_char)>;
pub type SSL_custom_ext_add_cb_ex =
Option<unsafe extern "C" fn(ssl: *mut ::SSL, ext_type: c_uint,
context: c_uint,
out: *mut *const c_uchar,
outlen: *mut size_t, x: *mut ::X509,
chainidx: size_t, al: *mut c_int,
add_arg: *mut c_void) -> c_int>;
pub type SSL_custom_ext_free_cb_ex =
Option<unsafe extern "C" fn(ssl: *mut ::SSL, ext_type: c_uint,
context: c_uint,
out: *mut *const c_uchar,
add_arg: *mut c_void)>;
pub type SSL_custom_ext_parse_cb_ex =
Option<unsafe extern "C" fn(ssl: *mut ::SSL, ext_type: c_uint,
context: c_uint,
input: *const c_uchar,
inlen: size_t, x: *mut ::X509,
chainidx: size_t, al: *mut c_int,
parse_arg: *mut c_void) -> c_int>;
pub const SSL_COOKIE_LENGTH: c_int = 255;
pub const SSL_OP_ENABLE_MIDDLEBOX_COMPAT: c_ulong = 0x00100000;
pub const TLS1_3_VERSION: c_int = 0x304;
pub const SSL_EXT_TLS_ONLY: c_uint = 0x0001;
/* This extension is only allowed in DTLS */
pub const SSL_EXT_DTLS_ONLY: c_uint = 0x0002;
/* Some extensions may be allowed in DTLS but we don't implement them for it */
pub const SSL_EXT_TLS_IMPLEMENTATION_ONLY: c_uint = 0x0004;
/* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */
pub const SSL_EXT_SSL3_ALLOWED: c_uint = 0x0008;
/* Extension is only defined for TLS1.2 and below */
pub const SSL_EXT_TLS1_2_AND_BELOW_ONLY: c_uint = 0x0010;
/* Extension is only defined for TLS1.3 and above */
pub const SSL_EXT_TLS1_3_ONLY: c_uint = 0x0020;
/* Ignore this extension during parsing if we are resuming */
pub const SSL_EXT_IGNORE_ON_RESUMPTION: c_uint = 0x0040;
pub const SSL_EXT_CLIENT_HELLO: c_uint = 0x0080;
/* Really means TLS1.2 or below */
pub const SSL_EXT_TLS1_2_SERVER_HELLO: c_uint = 0x0100;
pub const SSL_EXT_TLS1_3_SERVER_HELLO: c_uint = 0x0200;
pub const SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS: c_uint = 0x0400;
pub const SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST: c_uint = 0x0800;
pub const SSL_EXT_TLS1_3_CERTIFICATE: c_uint = 0x1000;
pub const SSL_EXT_TLS1_3_NEW_SESSION_TICKET: c_uint = 0x2000;
pub const SSL_EXT_TLS1_3_CERTIFICATE_REQUEST: c_uint = 0x4000;
extern "C" {
pub fn SSL_CTX_set_keylog_callback(ctx: *mut ::SSL_CTX, cb: SSL_CTX_keylog_cb_func);
pub fn SSL_CTX_add_custom_ext(ctx: *mut ::SSL_CTX, ext_type: c_uint, context: c_uint,
add_cb: SSL_custom_ext_add_cb_ex,
free_cb: SSL_custom_ext_free_cb_ex,
add_arg: *mut c_void,
parse_cb: SSL_custom_ext_parse_cb_ex,
parse_arg: *mut c_void) -> c_int;
pub fn SSL_stateless(s: *mut ::SSL) -> c_int;
}
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