use failure::*; use ::serde::{Deserialize, Serialize}; use proxmox::api::{api, schema::*}; use proxmox::const_regex; use proxmox::{IPRE, IPV4RE, IPV6RE, IPV4OCTET, IPV6H16, IPV6LS32}; // File names: may not contain slashes, may not start with "." pub const FILENAME_FORMAT: ApiStringFormat = ApiStringFormat::VerifyFn(|name| { if name.starts_with('.') { bail!("file names may not start with '.'"); } if name.contains('/') { bail!("file names may not contain slashes"); } Ok(()) }); macro_rules! DNS_LABEL { () => (r"(?:[a-zA-Z0-9](?:[a-zA-Z0-9\-]*[a-zA-Z0-9])?)") } macro_rules! DNS_NAME { () => (concat!(r"(?:", DNS_LABEL!() , r"\.)*", DNS_LABEL!())) } // we only allow a limited set of characters // colon is not allowed, because we store usernames in // colon separated lists)! // slash is not allowed because it is used as pve API delimiter // also see "man useradd" macro_rules! USER_NAME_REGEX_STR { () => (r"(?:[^\s:/[:cntrl:]]+)") } macro_rules! PROXMOX_SAFE_ID_REGEX_STR { () => (r"(?:[A-Za-z0-9_][A-Za-z0-9._\-]*)") } const_regex!{ pub IP_FORMAT_REGEX = IPRE!(); pub SHA256_HEX_REGEX = r"^[a-f0-9]{64}$"; // fixme: define in common_regex ? pub SYSTEMD_DATETIME_REGEX = r"^\d{4}-\d{2}-\d{2}( \d{2}:\d{2}(:\d{2})?)?$"; // fixme: define in common_regex ? pub PASSWORD_REGEX = r"^[[:^cntrl:]]*$"; // everything but control characters /// Regex for safe identifiers. /// /// This /// [article](https://dwheeler.com/essays/fixing-unix-linux-filenames.html) /// contains further information why it is reasonable to restict /// names this way. This is not only useful for filenames, but for /// any identifier command line tools work with. pub PROXMOX_SAFE_ID_REGEX = concat!(r"^", PROXMOX_SAFE_ID_REGEX_STR!(), r"$"); pub SINGLE_LINE_COMMENT_REGEX = r"^[[:^cntrl:]]*$"; pub HOSTNAME_REGEX = r"^(?:[a-zA-Z0-9](?:[a-zA-Z0-9\-]*[a-zA-Z0-9])?)$"; pub DNS_NAME_REGEX = concat!(r"^", DNS_NAME!(), r"$"); pub DNS_NAME_OR_IP_REGEX = concat!(r"^", DNS_NAME!(), "|", IPRE!(), r"$"); pub PROXMOX_USER_ID_REGEX = concat!(r"^", USER_NAME_REGEX_STR!(), r"@", PROXMOX_SAFE_ID_REGEX_STR!(), r"$"); } pub const SYSTEMD_DATETIME_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&SYSTEMD_DATETIME_REGEX); pub const IP_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&IP_FORMAT_REGEX); pub const PVE_CONFIG_DIGEST_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&SHA256_HEX_REGEX); pub const PROXMOX_SAFE_ID_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&PROXMOX_SAFE_ID_REGEX); pub const SINGLE_LINE_COMMENT_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&SINGLE_LINE_COMMENT_REGEX); pub const HOSTNAME_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&HOSTNAME_REGEX); pub const DNS_NAME_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&DNS_NAME_REGEX); pub const DNS_NAME_OR_IP_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&DNS_NAME_OR_IP_REGEX); pub const PROXMOX_USER_ID_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&PROXMOX_USER_ID_REGEX); pub const PASSWORD_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&PASSWORD_REGEX); pub const PROXMOX_CONFIG_DIGEST_SCHEMA: Schema = StringSchema::new(r#"\ Prevent changes if current configuration file has different SHA256 digest. This can be used to prevent concurrent modifications. "# ) .format(&PVE_CONFIG_DIGEST_FORMAT) .schema(); pub const CHUNK_DIGEST_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&SHA256_HEX_REGEX); pub const CHUNK_DIGEST_SCHEMA: Schema = StringSchema::new("Chunk digest (SHA256).") .format(&CHUNK_DIGEST_FORMAT) .schema(); pub const NODE_SCHEMA: Schema = StringSchema::new("Node name (or 'localhost')") .format(&ApiStringFormat::VerifyFn(|node| { if node == "localhost" || node == proxmox::tools::nodename() { Ok(()) } else { bail!("no such node '{}'", node); } })) .schema(); pub const SEARCH_DOMAIN_SCHEMA: Schema = StringSchema::new("Search domain for host-name lookup.").schema(); pub const FIRST_DNS_SERVER_SCHEMA: Schema = StringSchema::new("First name server IP address.") .format(&IP_FORMAT) .schema(); pub const SECOND_DNS_SERVER_SCHEMA: Schema = StringSchema::new("Second name server IP address.") .format(&IP_FORMAT) .schema(); pub const THIRD_DNS_SERVER_SCHEMA: Schema = StringSchema::new("Third name server IP address.") .format(&IP_FORMAT) .schema(); pub const BACKUP_ARCHIVE_NAME_SCHEMA: Schema = StringSchema::new("Backup archive name.") .format(&PROXMOX_SAFE_ID_FORMAT) .schema(); pub const BACKUP_TYPE_SCHEMA: Schema = StringSchema::new("Backup type.") .format(&ApiStringFormat::Enum(&["vm", "ct", "host"])) .schema(); pub const BACKUP_ID_SCHEMA: Schema = StringSchema::new("Backup ID.") .format(&PROXMOX_SAFE_ID_FORMAT) .schema(); pub const BACKUP_TIME_SCHEMA: Schema = IntegerSchema::new("Backup time (Unix epoch.)") .minimum(1_547_797_308) .schema(); pub const UPID_SCHEMA: Schema = StringSchema::new("Unique Process/Task ID.") .max_length(256) .schema(); pub const DATASTORE_SCHEMA: Schema = StringSchema::new("Datastore name.") .format(&PROXMOX_SAFE_ID_FORMAT) .min_length(3) .max_length(32) .schema(); pub const REMOTE_ID_SCHEMA: Schema = StringSchema::new("Remote ID.") .format(&PROXMOX_SAFE_ID_FORMAT) .min_length(3) .max_length(32) .schema(); pub const SINGLE_LINE_COMMENT_SCHEMA: Schema = StringSchema::new("Comment (single line).") .format(&SINGLE_LINE_COMMENT_FORMAT) .schema(); pub const HOSTNAME_SCHEMA: Schema = StringSchema::new("Hostname (as defined in RFC1123).") .format(&HOSTNAME_FORMAT) .schema(); pub const DNS_NAME_OR_IP_SCHEMA: Schema = StringSchema::new("DNS name or IP address.") .format(&DNS_NAME_OR_IP_FORMAT) .schema(); pub const PROXMOX_AUTH_REALM_SCHEMA: Schema = StringSchema::new("Authentication domain ID") .format(&PROXMOX_SAFE_ID_FORMAT) .min_length(3) .max_length(32) .schema(); pub const PROXMOX_USER_ID_SCHEMA: Schema = StringSchema::new("User ID") .format(&PROXMOX_USER_ID_FORMAT) .min_length(3) .max_length(64) .schema(); // Complex type definitions #[api( properties: { "backup-type": { schema: BACKUP_TYPE_SCHEMA, }, "backup-id": { schema: BACKUP_ID_SCHEMA, }, "last-backup": { schema: BACKUP_TIME_SCHEMA, }, "backup-count": { type: Integer, }, files: { items: { schema: BACKUP_ARCHIVE_NAME_SCHEMA }, }, }, )] #[derive(Serialize, Deserialize)] #[serde(rename_all="kebab-case")] /// Basic information about a backup group. pub struct GroupListItem { pub backup_type: String, // enum pub backup_id: String, pub last_backup: i64, /// Number of contained snapshots pub backup_count: u64, /// List of contained archive files. pub files: Vec, } #[api( properties: { "backup-type": { schema: BACKUP_TYPE_SCHEMA, }, "backup-id": { schema: BACKUP_ID_SCHEMA, }, "backup-time": { schema: BACKUP_TIME_SCHEMA, }, files: { items: { schema: BACKUP_ARCHIVE_NAME_SCHEMA }, }, }, )] #[derive(Serialize, Deserialize)] #[serde(rename_all="kebab-case")] /// Basic information about backup snapshot. pub struct SnapshotListItem { pub backup_type: String, // enum pub backup_id: String, pub backup_time: i64, /// List of contained archive files. pub files: Vec, /// Overall snapshot size (sum of all archive sizes). #[serde(skip_serializing_if="Option::is_none")] pub size: Option, } #[api( properties: { "filename": { schema: BACKUP_ARCHIVE_NAME_SCHEMA, }, }, )] #[derive(Serialize, Deserialize)] #[serde(rename_all="kebab-case")] /// Basic information about archive files inside a backup snapshot. pub struct BackupContent { pub filename: String, /// Archive size (from backup manifest). #[serde(skip_serializing_if="Option::is_none")] pub size: Option, } // Regression tests #[test] fn test_proxmox_user_id_schema() -> Result<(), Error> { let schema = PROXMOX_USER_ID_SCHEMA; let invalid_user_ids = [ "x", // too short "xx", // too short "xxx", // no realm "xxx@", // no realm "xx x@test", // contains space "xx\nx@test", // contains control character "x:xx@test", // contains collon "xx/x@test", // contains slash "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx@test", // too long ]; for name in invalid_user_ids.iter() { if let Ok(_) = parse_simple_value(name, &schema) { bail!("test userid '{}' failed - got Ok() while expection an error.", name); } } let valid_user_ids = [ "xxx@y", "name@y", "xxx@test-it.com", "xxx@_T_E_S_T-it.com", "x_x-x.x@test-it.com", ]; for name in valid_user_ids.iter() { let v = match parse_simple_value(name, &schema) { Ok(v) => v, Err(err) => { bail!("unable to parse userid '{}' - {}", name, err); } }; if v != serde_json::json!(name) { bail!("unable to parse userid '{}' - got wrong value {:?}", name, v); } } Ok(()) }