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api2: reader env: fix priv checks 

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
This commit is contained in:
Fabian Grünbichler 2022-05-24 11:13:04 +02:00 committed by Thomas Lamprecht
parent ebfcf75e14
commit bb5c77fffa
1 changed files with 11 additions and 6 deletions
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17
src/api2/reader/mod.rs
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@ -17,9 +17,9 @@ use proxmox_schema::{BooleanSchema, ObjectSchema};
use proxmox_sys::sortable;
use pbs_api_types::{
Authid, Operation, BACKUP_ARCHIVE_NAME_SCHEMA, BACKUP_ID_SCHEMA, BACKUP_NAMESPACE_SCHEMA,
BACKUP_TIME_SCHEMA, BACKUP_TYPE_SCHEMA, CHUNK_DIGEST_SCHEMA, DATASTORE_SCHEMA,
PRIV_DATASTORE_BACKUP, PRIV_DATASTORE_READ,
Authid, DatastoreWithNamespace, Operation, BACKUP_ARCHIVE_NAME_SCHEMA, BACKUP_ID_SCHEMA,
BACKUP_NAMESPACE_SCHEMA, BACKUP_TIME_SCHEMA, BACKUP_TYPE_SCHEMA, CHUNK_DIGEST_SCHEMA,
DATASTORE_SCHEMA, PRIV_DATASTORE_BACKUP, PRIV_DATASTORE_READ,
};
use pbs_config::CachedUserInfo;
use pbs_datastore::index::IndexFile;
@ -78,21 +78,26 @@ fn upgrade_to_backup_reader_protocol(
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let store = required_string_param(&param, "store")?.to_owned();
let backup_ns = optional_ns_param(&param)?;
let store_with_ns = DatastoreWithNamespace {
store: store.clone(),
ns: backup_ns.clone(),
};
let user_info = CachedUserInfo::new()?;
let privs = user_info.lookup_privs(&auth_id, &["datastore", &store]);
let privs = user_info.lookup_privs(&auth_id, &store_with_ns.acl_path());
let priv_read = privs & PRIV_DATASTORE_READ != 0;
let priv_backup = privs & PRIV_DATASTORE_BACKUP != 0;
// priv_backup needs owner check further down below!
if !priv_read && !priv_backup {
bail!("no permissions on /datastore/{}", store);
bail!("no permissions on /{}", store_with_ns.acl_path().join("/"));
}
let datastore = DataStore::lookup_datastore(&store, Some(Operation::Read))?;
let backup_ns = optional_ns_param(&param)?;
let backup_dir = pbs_api_types::BackupDir::deserialize(&param)?;
let protocols = parts