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server: include preserved case in user attribute value search

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Extends the generated UserRequestFilter with an OR'ed clause for
the attribute value in both it's original case and lowercased.
This commit is contained in:
Simon Broeng Jensen
2025-01-22 10:37:04 +01:00
committed by GitHub
parent f5fbb31e6e
commit 0799b6bc26
3 changed files with 132 additions and 34 deletions
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41
server/src/domain/ldap/group.rs
View File

@@ -154,12 +154,23 @@ fn get_group_attribute_equality_filter(
is_list: bool,
value: &str,
) -> GroupRequestFilter {
deserialize_attribute_value(&[value.to_owned()], typ, is_list)
.map(|v| GroupRequestFilter::AttributeEquality(field.clone(), v))
.unwrap_or_else(|e| {
let value_lc = value.to_ascii_lowercase();
let serialized_value = deserialize_attribute_value(&[value.to_owned()], typ, is_list);
let serialized_value_lc = deserialize_attribute_value(&[value_lc.to_owned()], typ, is_list);
match (serialized_value, serialized_value_lc) {
(Ok(v), Ok(v_lc)) => GroupRequestFilter::Or(vec![
GroupRequestFilter::AttributeEquality(field.clone(), v),
GroupRequestFilter::AttributeEquality(field.clone(), v_lc),
]),
(Ok(_), Err(e)) => {
warn!("Invalid value for attribute {} (lowercased): {}", field, e);
GroupRequestFilter::from(false)
}
(Err(e), _) => {
warn!("Invalid value for attribute {}: {}", field, e);
GroupRequestFilter::from(false)
})
}
}
}
fn convert_group_filter(
@@ -171,24 +182,24 @@ fn convert_group_filter(
match filter {
LdapFilter::Equality(field, value) => {
let field = AttributeName::from(field.as_str());
let value = value.to_ascii_lowercase();
let value_lc = value.to_ascii_lowercase();
match map_group_field(&field, schema) {
GroupFieldType::GroupId => Ok(value
GroupFieldType::GroupId => Ok(value_lc
.parse::<i32>()
.map(|id| GroupRequestFilter::GroupId(GroupId(id)))
.unwrap_or_else(|_| {
warn!("Given group id is not a valid integer: {}", value);
warn!("Given group id is not a valid integer: {}", value_lc);
GroupRequestFilter::from(false)
})),
GroupFieldType::DisplayName => Ok(GroupRequestFilter::DisplayName(value.into())),
GroupFieldType::Uuid => Uuid::try_from(value.as_str())
GroupFieldType::DisplayName => Ok(GroupRequestFilter::DisplayName(value_lc.into())),
GroupFieldType::Uuid => Uuid::try_from(value_lc.as_str())
.map(GroupRequestFilter::Uuid)
.map_err(|e| LdapError {
code: LdapResultCode::Other,
message: format!("Invalid UUID: {:#}", e),
}),
GroupFieldType::Member => Ok(get_user_id_from_distinguished_name_or_plain_name(
&value,
&value_lc,
&ldap_info.base_dn,
&ldap_info.base_dn_str,
)
@@ -198,21 +209,21 @@ fn convert_group_filter(
GroupRequestFilter::from(false)
})),
GroupFieldType::ObjectClass => Ok(GroupRequestFilter::from(
matches!(value.as_str(), "groupofuniquenames" | "groupofnames")
matches!(value_lc.as_str(), "groupofuniquenames" | "groupofnames")
|| schema
.get_schema()
.extra_group_object_classes
.contains(&LdapObjectClass::from(value)),
.contains(&LdapObjectClass::from(value_lc)),
)),
GroupFieldType::Dn | GroupFieldType::EntryDn => {
Ok(get_group_id_from_distinguished_name_or_plain_name(
value.as_str(),
value_lc.as_str(),
&ldap_info.base_dn,
&ldap_info.base_dn_str,
)
.map(GroupRequestFilter::DisplayName)
.unwrap_or_else(|_| {
warn!("Invalid dn filter on group: {}", value);
warn!("Invalid dn filter on group: {}", value_lc);
GroupRequestFilter::from(false)
}))
}
@@ -227,7 +238,7 @@ fn convert_group_filter(
Ok(GroupRequestFilter::from(false))
}
GroupFieldType::Attribute(field, typ, is_list) => Ok(
get_group_attribute_equality_filter(&field, typ, is_list, &value),
get_group_attribute_equality_filter(&field, typ, is_list, value),
),
GroupFieldType::CreationDate => Err(LdapError {
code: LdapResultCode::UnwillingToPerform,

41
server/src/domain/ldap/user.rs
View File

@@ -174,12 +174,23 @@ fn get_user_attribute_equality_filter(
is_list: bool,
value: &str,
) -> UserRequestFilter {
deserialize_attribute_value(&[value.to_owned()], typ, is_list)
.map(|v| UserRequestFilter::AttributeEquality(field.clone(), v))
.unwrap_or_else(|e| {
let value_lc = value.to_ascii_lowercase();
let serialized_value = deserialize_attribute_value(&[value.to_owned()], typ, is_list);
let serialized_value_lc = deserialize_attribute_value(&[value_lc.to_owned()], typ, is_list);
match (serialized_value, serialized_value_lc) {
(Ok(v), Ok(v_lc)) => UserRequestFilter::Or(vec![
UserRequestFilter::AttributeEquality(field.clone(), v),
UserRequestFilter::AttributeEquality(field.clone(), v_lc),
]),
(Ok(_), Err(e)) => {
warn!("Invalid value for attribute {} (lowercased): {}", field, e);
UserRequestFilter::from(false)
}
(Err(e), _) => {
warn!("Invalid value for attribute {}: {}", field, e);
UserRequestFilter::from(false)
})
}
}
}
fn convert_user_filter(
@@ -198,18 +209,20 @@ fn convert_user_filter(
LdapFilter::Not(filter) => Ok(UserRequestFilter::Not(Box::new(rec(filter)?))),
LdapFilter::Equality(field, value) => {
let field = AttributeName::from(field.as_str());
let value = value.to_ascii_lowercase();
let value_lc = value.to_ascii_lowercase();
match map_user_field(&field, schema) {
UserFieldType::PrimaryField(UserColumn::UserId) => {
Ok(UserRequestFilter::UserId(UserId::new(&value)))
Ok(UserRequestFilter::UserId(UserId::new(&value_lc)))
}
UserFieldType::PrimaryField(UserColumn::Email) => Ok(UserRequestFilter::Equality(
UserColumn::LowercaseEmail,
value,
value_lc,
)),
UserFieldType::PrimaryField(field) => Ok(UserRequestFilter::Equality(field, value)),
UserFieldType::PrimaryField(field) => {
Ok(UserRequestFilter::Equality(field, value_lc))
}
UserFieldType::Attribute(field, typ, is_list) => Ok(
get_user_attribute_equality_filter(&field, typ, is_list, &value),
get_user_attribute_equality_filter(&field, typ, is_list, value),
),
UserFieldType::NoMatch => {
if !ldap_info.ignored_user_attributes.contains(&field) {
@@ -223,15 +236,15 @@ fn convert_user_filter(
}
UserFieldType::ObjectClass => Ok(UserRequestFilter::from(
matches!(
value.as_str(),
value_lc.as_str(),
"person" | "inetorgperson" | "posixaccount" | "mailaccount"
) || schema
.get_schema()
.extra_user_object_classes
.contains(&LdapObjectClass::from(value)),
.contains(&LdapObjectClass::from(value_lc)),
)),
UserFieldType::MemberOf => Ok(get_group_id_from_distinguished_name_or_plain_name(
&value,
&value_lc,
&ldap_info.base_dn,
&ldap_info.base_dn_str,
)
@@ -242,13 +255,13 @@ fn convert_user_filter(
})),
UserFieldType::EntryDn | UserFieldType::Dn => {
Ok(get_user_id_from_distinguished_name_or_plain_name(
value.as_str(),
value_lc.as_str(),
&ldap_info.base_dn,
&ldap_info.base_dn_str,
)
.map(UserRequestFilter::UserId)
.unwrap_or_else(|_| {
warn!("Invalid dn filter on user: {}", value);
warn!("Invalid dn filter on user: {}", value_lc);
UserRequestFilter::from(false)
}))
}

84
server/src/infra/ldap_handler.rs
View File

@@ -1659,6 +1659,74 @@ mod tests {
);
}
#[tokio::test]
async fn test_search_groups_filter_3() {
let mut mock = MockTestBackendHandler::new();
mock.expect_list_groups()
.with(eq(Some(GroupRequestFilter::Or(vec![
GroupRequestFilter::AttributeEquality(
AttributeName::from("attr"),
Serialized::from("TEST"),
),
GroupRequestFilter::AttributeEquality(
AttributeName::from("attr"),
Serialized::from("test"),
),
]))))
.times(1)
.return_once(|_| {
Ok(vec![Group {
display_name: "group_1".into(),
id: GroupId(1),
creation_date: chrono::Utc.timestamp_opt(42, 42).unwrap().naive_utc(),
users: vec![],
uuid: uuid!("04ac75e0-2900-3e21-926c-2f732c26b3fc"),
attributes: vec![AttributeValue {
name: "Attr".into(),
value: Serialized::from("TEST"),
}],
}])
});
mock.expect_get_schema().returning(|| {
Ok(crate::domain::handler::Schema {
user_attributes: AttributeList {
attributes: Vec::new(),
},
group_attributes: AttributeList {
attributes: vec![AttributeSchema {
name: "Attr".into(),
attribute_type: AttributeType::String,
is_list: false,
is_visible: true,
is_editable: true,
is_hardcoded: false,
is_readonly: false,
}],
},
extra_user_object_classes: Vec::new(),
extra_group_object_classes: Vec::new(),
})
});
let mut ldap_handler = setup_bound_admin_handler(mock).await;
let request = make_group_search_request(
LdapFilter::Equality("Attr".to_string(), "TEST".to_string()),
vec!["cn"],
);
assert_eq!(
ldap_handler.do_search_or_dse(&request).await,
Ok(vec![
LdapOp::SearchResultEntry(LdapSearchResultEntry {
dn: "cn=group_1,ou=groups,dc=example,dc=com".to_string(),
attributes: vec![LdapPartialAttribute {
atype: "cn".to_string(),
vals: vec![b"group_1".to_vec()]
},],
}),
make_search_success(),
])
);
}
#[tokio::test]
async fn test_search_group_as_scope() {
let mut mock = MockTestBackendHandler::new();
@@ -1789,10 +1857,16 @@ mod tests {
true.into(),
true.into(),
false.into(),
UserRequestFilter::AttributeEquality(
AttributeName::from("first_name"),
Serialized::from("firstname"),
),
UserRequestFilter::Or(vec![
UserRequestFilter::AttributeEquality(
AttributeName::from("first_name"),
Serialized::from("FirstName"),
),
UserRequestFilter::AttributeEquality(
AttributeName::from("first_name"),
Serialized::from("firstname"),
),
]),
false.into(),
UserRequestFilter::UserIdSubString(SubStringFilter {
initial: Some("iNIt".to_owned()),
@@ -1833,7 +1907,7 @@ mod tests {
LdapFilter::Present("objectClass".to_string()),
LdapFilter::Present("uid".to_string()),
LdapFilter::Present("unknown".to_string()),
LdapFilter::Equality("givenname".to_string(), "firstname".to_string()),
LdapFilter::Equality("givenname".to_string(), "FirstName".to_string()),
LdapFilter::Equality("unknown_attribute".to_string(), "randomValue".to_string()),
LdapFilter::Substring(
"uid".to_owned(),