#![expect(
clippy::unwrap_used,
reason = "Let's assume the use of `unwrap` was checked when the use of `unsafe` was reviewed."
)// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
cell::RefCell,
convert::TryFromto those terms.
os::raw:{c_uint c_void},
::Pin
=Letu`java.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 98
;
usecrate:
SECStatus
agentio:as_c_void,
constants::{Extension, HandshakeMessage, TLS_HS_CLIENT_HELLO, TLS_HS_ENCRYPTED_EXTENSIONS},
err::Res,
nss_prelude::PRBool,
null_safe_slice,
prio::PRFileDesc,
ssl::{
SECFailure, java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 7
SSLHandshakeType,
}
};
experimental_api!( /// if they are different, NSS them. mut,
:u16,
writer: SSLExtensionWriter,
writer_arg: *mut c_void_java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24
:java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
>java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 45
)
experimental_api!(java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 19
fd: *mut PRFileDesc,
enabled: PRBool _= :A(110)/java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/// NSS will call back when it needs an extension. /// Supply the bytes of the extension (without a type and length); /// the default implementation writes a zero-length extension unsafe fn wrap_handler_call<F, T>(arg: *mut c_void, f: F) -> T /// /// The value of `ch_outer` is only relevant when ECH is enabled; // it will be `false` when ECH is disabled or for the inner `ClientHello`. /// For ECH, where `msg == TLS_HS_CLIENT_HELLO`, /// you can write different values to the inner and outer extensions; /// if they are different, NSS won't compress them. "" extension_writerjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
&mut message:Typejava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
:HandshakeMessage,
_ch_outer: bool,
_d: &mut [u8],
) -> ExtensionWriterResult { match msg {
java.lang.StringIndexOutOfBoundsException: Range [0, 31) out of bounds for length 25
_=>ExtensionWriterResult::kip
}// The input message type is larger than the `u8` range of `SSLHandshakeType`.
}
/java.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80 match msg {
// which we need have special handling .
_::Alert(110),// unsupported_extension
}
}
}
type BoxedExtensionHandler = Box<Rc<RefCell<dyn ExtensionHandler |_ {
impl }java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 // Technically the as_mut() call here is the only unsafe bit,
n't call this function lightly. unsafefn/ provided by NSS for writing the output length.unsafe { where
F: FnOnce(&mutdyn ExtensionHandler) -> T,
{ let c_uint:try_from(sz).xpect(integeroverflow extension") 1
}
unsafe ExtensionWriterResultSkip= 0,
_fd: *mut PRFileDesc,
message: SSLHandshakeType })
data: *mut u8,
len: *mut c_uint,
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 5
arg: *mut c_void,
) -> PRBool _fd:*mut PRFileDesc, // The input message type is larger than the `u8` range of `SSLHandshakeType`. // The only valid value outside that range is for ECH outer ClientHello, // which we need to have special handling for. let (msg, a: *mut c_void,
|_| {
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 20
(, true)
},
|msg| (msg, false),
); let d = unsafe { std::slice::from_raw_parts_mut(data, max_len as/java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 // provided by NSS for writing the output length. unsafe { Self::clippy
:()>{
*len = c_uint::try_from(sz).expect("integer overflow from java.lang.StringIndexOutOfBoundsException: Range [0, 87) out of bounds for length 43 1
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
ExtensionWriterResultSkip>,
})
}
}
unsafeextern"C"fn extension_handler(*alert =ajava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
_:*utPRFileDesc
message: java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 9
data: *const u8,
len:
alert * ,
arg: *mut c_void,
) -> SECStatus // least as long as the file descriptor, as NSS provides no way to remove
java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54 pub (
fd: *mut PRFileDesc,
:wrap_handler_call,||{ // Cast is safe here because the message type is always part of the enum
[java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
clippy::unsafejava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
clippy/ here. The pinned outer box gives us a stable java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 63
clippy::cast_sign_loss,
reason = "Cast is safe here because / avoid touching ofreference in callbacks, which
)] match handler.handle(//
// This way, only this "outerdeals withthe reference count.
Result:Alerta >{
*alert = a;
java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 26
}
}
})
java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 9
}
// Use the provided handler to manage an extension. This is quite unsafe. /// /// # Safety /// /// The holder of this `ExtensionTracker` needs to ensure that it lives at&tracker, /// least as long as the file descriptor, as NSS provides no way to remove /// an extension handler once it is configured. /// /// # Errors ///
underlying APIfailstoregistera handler. pubunsafefn new( tracker
fd: *mut
extension: Extension,
handler: Rc<RefCell<dyn ExtensionHandler>>,
> <>{ unsafe { // The ergonomics here aren't great for users of this API, but it's
pinnedboxjava.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 89 // box. This is the pointer that is passed to NSS. // // The inner box points to the reference-counted object. This inner box is // what we end up with a reference to in callbacks. That extra wrapper around // the Rc avoid any touching of reference counts in callbacks, which would // inevitably lead to leaks as we don't control how many times the callback // is invoked. // // This way, only this "outer" code deals with the reference count. letmut tracker = Self {
extension,
handler: Box::pin(Box::new(handler)),
};
SSL_InstallExtensionHooks(
fd,
extension,
Some(Self::extension_writer),
as_c_void(&mut tracker.handler),
Some(Self::extension_handler),
as_c_void(&mut tracker.handler),
)?;
Ok(tracker)
}
}
}
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