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Validate settings

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This commit is contained in:
Carl Lerche
2017-08-10 23:25:36 -07:00
parent 23b2ef49cc
commit 012646ab46
2 changed files with 24 additions and 3 deletions
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24
src/frame/settings.rs
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@@ -56,6 +56,9 @@ const ALL: u8 = ACK;
pub const DEFAULT_SETTINGS_HEADER_TABLE_SIZE: usize = 4_096;
pub const DEFAULT_MAX_FRAME_SIZE: FrameSize = 16_384;
pub const MAX_INITIAL_WINDOW_SIZE: usize = (1 << 31) - 1;
pub const MAX_MAX_FRAME_SIZE: usize = (1 << 24) - 1;
// ===== impl Settings =====
impl Settings {
@@ -107,16 +110,31 @@ impl Settings {
settings.values.header_table_size = Some(val);
}
Some(EnablePush(val)) => {
settings.values.enable_push = Some(val);
match val {
0 | 1 => {
settings.values.enable_push = Some(val);
}
_ => {
return Err(Error::InvalidSettingValue);
}
}
}
Some(MaxConcurrentStreams(val)) => {
settings.values.max_concurrent_streams = Some(val);
}
Some(InitialWindowSize(val)) => {
settings.values.initial_window_size = Some(val);
if val as usize > MAX_INITIAL_WINDOW_SIZE {
return Err(Error::InvalidSettingValue);
} else {
settings.values.initial_window_size = Some(val);
}
}
Some(MaxFrameSize(val)) => {
settings.values.max_frame_size = Some(val);
if val < DEFAULT_MAX_FRAME_SIZE || val as usize > MAX_MAX_FRAME_SIZE {
return Err(Error::InvalidSettingValue);
} else {
settings.values.max_frame_size = Some(val);
}
}
Some(MaxHeaderListSize(val)) => {
settings.values.max_header_list_size = Some(val);