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chore(core): add auto_lock_delay_battery_ms to Feature messages
Public commit record
62/100 · Adequate
What the developer wrote
Authored by Lukas Bielesch
chore(core): add auto_lock_delay_battery_ms to Feature messages
[no changelog]
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
What changed, and why it matters
This commit simply exposes a new device setting in the information message the hardware wallet reports to connected computers. It adds a field called auto_lock_delay_battery_ms to the Features message across the protocol definition and generated code for Python, Rust, and the device firmware. There is no change to security logic, no bug fix, and no behavior change beyond reporting the value.
Recommended action
No security action required. This is a benign feature-exposure change. Reviewers may optionally verify that the new field is read-only and that ApplySettings already validates the value before storage.
Security signals we found
No strong security signals were identified.
Evidence from the diff
The patch adds an optional uint32 field auto_lock_delay_battery_ms (field number 57) to the Features protobuf message in messages-management.proto and regenerates bindings in core/src/trezor/messages.py, python/src/trezorlib/messages.py, and rust/trezor-client/src/protos/generated/messages_management.rs. In core/src/apps/base.py, get_features() now populates this field from storage_device.get_autolock_delay_battery_ms() when USE_POWER_MANAGER is enabled. The ApplySettings message already had an auto_lock_delay_battery_ms field (field 15), so this commit only exposes the stored setting in the read-only Features response. No logic governing the auto-lock behavior is modified.
Changed components
common/protob/messages-management.protocore/src/apps/base.pycore/src/trezor/messages.pypython/src/trezorlib/messages.pyrust/trezor-client/src/protos/generated/messages_management.rsInspect captured patch +183 / −134
diff --git a/common/protob/messages-management.proto b/common/protob/messages-management.proto
index d161bcac0..84e0919db 100644
--- a/common/protob/messages-management.proto
+++ b/common/protob/messages-management.proto
@@ -128,6 +128,7 @@ message Features {
optional uint32 optiga_sec = 54; // Optiga's security event counter.
optional uint32 soc = 55; // Battery state of charge (0 - 100%)
optional bool firmware_corrupted = 56; // true if the firmware is corrupted
+ optional uint32 auto_lock_delay_battery_ms = 57; // number of milliseconds after which the battery-powered device locks itself
enum BackupAvailability {
/// Device is already backed up, or a previous backup has failed.
diff --git a/core/src/apps/base.py b/core/src/apps/base.py
index 0872cbb29..e7a9531f2 100644
--- a/core/src/apps/base.py
+++ b/core/src/apps/base.py
@@ -222,6 +222,11 @@ def get_features() -> Features:
f.experimental_features = storage_device.get_experimental_features()
f.hide_passphrase_from_host = storage_device.get_hide_passphrase_from_host()
+ if utils.USE_POWER_MANAGER:
+ f.auto_lock_delay_battery_ms = (
+ storage_device.get_autolock_delay_battery_ms()
+ )
+
return f
diff --git a/core/src/trezor/messages.py b/core/src/trezor/messages.py
index 56a5aabd1..fd6e07d48 100644
--- a/core/src/trezor/messages.py
+++ b/core/src/trezor/messages.py
@@ -2087,6 +2087,7 @@ if TYPE_CHECKING:
optiga_sec: "int | None"
soc: "int | None"
firmware_corrupted: "bool | None"
+ auto_lock_delay_battery_ms: "int | None"
def __init__(
self,
@@ -2144,6 +2145,7 @@ if TYPE_CHECKING:
optiga_sec: "int | None" = None,
soc: "int | None" = None,
firmware_corrupted: "bool | None" = None,
+ auto_lock_delay_battery_ms: "int | None" = None,
) -> None:
pass
diff --git a/python/src/trezorlib/messages.py b/python/src/trezorlib/messages.py
index 0ca6b2b8e..f187e887d 100644
--- a/python/src/trezorlib/messages.py
+++ b/python/src/trezorlib/messages.py
@@ -3240,6 +3240,7 @@ class Features(protobuf.MessageType):
54: protobuf.Field("optiga_sec", "uint32", repeated=False, required=False, default=None),
55: protobuf.Field("soc", "uint32", repeated=False, required=False, default=None),
56: protobuf.Field("firmware_corrupted", "bool", repeated=False, required=False, default=None),
+ 57: protobuf.Field("auto_lock_delay_battery_ms", "uint32", repeated=False, required=False, default=None),
}
def __init__(
@@ -3299,6 +3300,7 @@ class Features(protobuf.MessageType):
optiga_sec: Optional["int"] = None,
soc: Optional["int"] = None,
firmware_corrupted: Optional["bool"] = None,
+ auto_lock_delay_battery_ms: Optional["int"] = None,
) -> None:
self.capabilities: Sequence["Capability"] = capabilities if capabilities is not None else []
self.major_version = major_version
@@ -3354,6 +3356,7 @@ class Features(protobuf.MessageType):
self.optiga_sec = optiga_sec
self.soc = soc
self.firmware_corrupted = firmware_corrupted
+ self.auto_lock_delay_battery_ms = auto_lock_delay_battery_ms
class LockDevice(protobuf.MessageType):
diff --git a/rust/trezor-client/src/protos/generated/messages_management.rs b/rust/trezor-client/src/protos/generated/messages_management.rs
index 3216c6104..b331882f6 100644
--- a/rust/trezor-client/src/protos/generated/messages_management.rs
+++ b/rust/trezor-client/src/protos/generated/messages_management.rs
@@ -471,6 +471,8 @@ pub struct Features {
pub soc: ::std::option::Option<u32>,
// @@protoc_insertion_point(field:hw.trezor.messages.management.Features.firmware_corrupted)
pub firmware_corrupted: ::std::option::Option<bool>,
+ // @@protoc_insertion_point(field:hw.trezor.messages.management.Features.auto_lock_delay_battery_ms)
+ pub auto_lock_delay_battery_ms: ::std::option::Option<u32>,
// special fields
// @@protoc_insertion_point(special_field:hw.trezor.messages.management.Features.special_fields)
pub special_fields: ::protobuf::SpecialFields,
@@ -1685,8 +1687,27 @@ impl Features {
self.firmware_corrupted = ::std::option::Option::Some(v);
}
+ // optional uint32 auto_lock_delay_battery_ms = 57;
+
+ pub fn auto_lock_delay_battery_ms(&self) -> u32 {
+ self.auto_lock_delay_battery_ms.unwrap_or(0)
+ }
+
+ pub fn clear_auto_lock_delay_battery_ms(&mut self) {
+ self.auto_lock_delay_battery_ms = ::std::option::Option::None;
+ }
+
+ pub fn has_auto_lock_delay_battery_ms(&self) -> bool {
+ self.auto_lock_delay_battery_ms.is_some()
+ }
+
+ // Param is passed by value, moved
+ pub fn set_auto_lock_delay_battery_ms(&mut self, v: u32) {
+ self.auto_lock_delay_battery_ms = ::std::option::Option::Some(v);
+ }
+
fn generated_message_descriptor_data() -> ::protobuf::reflect::GeneratedMessageDescriptorData {
- let mut fields = ::std::vec::Vec::with_capacity(54);
+ let mut fields = ::std::vec::Vec::with_capacity(55);
let mut oneofs = ::std::vec::Vec::with_capacity(0);
fields.push(::protobuf::reflect::rt::v2::make_option_accessor::<_, _>(
"vendor",
@@ -1958,6 +1979,11 @@ impl Features {
|m: &Features| { &m.firmware_corrupted },
|m: &mut Features| { &mut m.firmware_corrupted },
));
+ fields.push(::protobuf::reflect::rt::v2::make_option_accessor::<_, _>(
+ "auto_lock_delay_battery_ms",
+ |m: &Features| { &m.auto_lock_delay_battery_ms },
+ |m: &mut Features| { &mut m.auto_lock_delay_battery_ms },
+ ));
::protobuf::reflect::GeneratedMessageDescriptorData::new_2::<Features>(
"Features",
fields,
@@ -2150,6 +2176,9 @@ impl ::protobuf::Message for Features {
448 => {
self.firmware_corrupted = ::std::option::Option::Some(is.read_bool()?);
},
+ 456 => {
+ self.auto_lock_delay_battery_ms = ::std::option::Option::Some(is.read_uint32()?);
+ },
tag => {
::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
},
@@ -2324,6 +2353,9 @@ impl ::protobuf::Message for Features {
if let Some(v) = self.firmware_corrupted {
my_size += 2 + 1;
}
+ if let Some(v) = self.auto_lock_delay_battery_ms {
+ my_size += ::protobuf::rt::uint32_size(57, v);
+ }
my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
self.special_fields.cached_size().set(my_size as u32);
my_size
@@ -2492,6 +2524,9 @@ impl ::protobuf::Message for Features {
if let Some(v) = self.firmware_corrupted {
os.write_bool(56, v)?;
}
+ if let Some(v) = self.auto_lock_delay_battery_ms {
+ os.write_uint32(57, v)?;
+ }
os.write_unknown_fields(self.special_fields.unknown_fields())?;
::std::result::Result::Ok(())
}
@@ -2563,6 +2598,7 @@ impl ::protobuf::Message for Features {
self.optiga_sec = ::std::option::Option::None;
self.soc = ::std::option::Option::None;
self.firmware_corrupted = ::std::option::Option::None;
+ self.auto_lock_delay_battery_ms = ::std::option::Option::None;
self.special_fields.clear();
}
@@ -2622,6 +2658,7 @@ impl ::protobuf::Message for Features {
optiga_sec: ::std::option::Option::None,
soc: ::std::option::Option::None,
firmware_corrupted: ::std::option::Option::None,
+ auto_lock_delay_battery_ms: ::std::option::Option::None,
special_fields: ::protobuf::SpecialFields::new(),
};
&instance
@@ -11796,7 +11833,7 @@ static file_descriptor_proto_data: &'static [u8] = b"\
\roptions.proto\"\x80\x01\n\nInitialize\x12\x1d\n\nsession_id\x18\x01\
\x20\x01(\x0cR\tsessionId\x12,\n\x10_skip_passphrase\x18\x02\x20\x01(\
\x08R\x0eSkipPassphraseB\x02\x18\x01\x12%\n\x0ederive_cardano\x18\x03\
- \x20\x01(\x08R\rderiveCardano\"\r\n\x0bGetFeatures\"\xfb\x18\n\x08Featur\
+ \x20\x01(\x08R\rderiveCardano\"\r\n\x0bGetFeatures\"\xb7\x19\n\x08Featur\
es\x12\x16\n\x06vendor\x18\x01\x20\x01(\tR\x06vendor\x12#\n\rmajor_versi\
on\x18\x02\x20\x02(\rR\x0cmajorVersion\x12#\n\rminor_version\x18\x03\x20\
\x02(\rR\x0cminorVersion\x12#\n\rpatch_version\x18\x04\x20\x02(\rR\x0cpa\
@@ -11848,138 +11885,139 @@ static file_descriptor_proto_data: &'static [u8] = b"\
ck\x12P\n\rrecovery_type\x185\x20\x01(\x0e2+.hw.trezor.messages.manageme\
nt.RecoveryTypeR\x0crecoveryType\x12\x1d\n\noptiga_sec\x186\x20\x01(\rR\
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";
/// `FileDescriptorProto` object which was a source for this generated file
Risk score
Our methodology →Why this scored 15/100
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