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mod args;
mod logger;
mod algotest;
use ::prelude::*;
use chrono::prelude::*;
use regex::{self, RegexSet};
use std::collections::HashMap;
use std::io::{BufReader, BufRead};
use std::fs::File;
use std::env;
use std::str;
use std::path::Path;
use self::args::Arguments;
pub enum ErrorCode {
UnsafeArgs, InvalidArgs,
InitializeLogger,
CreateRepository,
LoadRepository, SaveBackup, LoadBackup, LoadInode, LoadBundle,
NoSuchBackup, BackupAlreadyExists,
AddKey, LoadKey, SaveKey,
SaveConfig,
LoadExcludes, InvalidExcludes,
BackupRun, RestoreRun, RemoveRun, PruneRun, VacuumRun, CheckRun, AnalyzeRun, DiffRun,
VersionsRun, ImportRun, FuseMount
}
impl ErrorCode {
pub fn code(&self) -> i32 {
match *self {
// Crazy stuff
ErrorCode::InitializeLogger | ErrorCode::InvalidExcludes => -1,
// Arguments
ErrorCode::InvalidArgs => 1,
ErrorCode::UnsafeArgs => 2,
// Load things
ErrorCode::LoadRepository => 3,
ErrorCode::LoadBackup => 4,
ErrorCode::LoadInode => 5,
ErrorCode::LoadBundle => 6,
ErrorCode::LoadKey => 7,
ErrorCode::LoadExcludes => 8,
// Minor operations
ErrorCode::SaveBackup => 9,
ErrorCode::AddKey => 10,
ErrorCode::SaveKey => 11,
ErrorCode::SaveConfig => 12,
// Main operation
ErrorCode::CreateRepository => 13,
ErrorCode::BackupRun => 14,
ErrorCode::RestoreRun => 15,
ErrorCode::RemoveRun => 16,
ErrorCode::PruneRun => 17,
ErrorCode::VacuumRun => 18,
ErrorCode::CheckRun => 19,
ErrorCode::AnalyzeRun => 20,
ErrorCode::DiffRun => 21,
ErrorCode::VersionsRun => 22,
ErrorCode::ImportRun => 23,
ErrorCode::FuseMount => 24,
//
ErrorCode::NoSuchBackup => 25,
ErrorCode::BackupAlreadyExists => 26
}
}
}
pub const DEFAULT_CHUNKER: &'static str = "fastcdc/16";
pub const DEFAULT_HASH: &'static str = "blake2";
pub const DEFAULT_COMPRESSION: &'static str = "brotli/3";
pub const DEFAULT_BUNDLE_SIZE_STR: &'static str = "25";
pub const DEFAULT_VACUUM_RATIO_STR: &'static str = "0";
lazy_static! {
pub static ref DEFAULT_REPOSITORY: String = {
env::home_dir().unwrap().join(".zvault").to_string_lossy().to_string()
};
}
macro_rules! checked {
($expr:expr, $msg:expr, $code:expr) => {
match $expr {
Ok(val) => val,
Err(err) => {
error!("Failed to {}\n\tcaused by: {}", $msg, err);
return Err($code)
}
}
};
}
fn open_repository(path: &str) -> Result<Repository, ErrorCode> {
Ok(checked!(Repository::open(path), "load repository", ErrorCode::LoadRepository))
}
fn get_backup(repo: &Repository, backup_name: &str) -> Result<Backup, ErrorCode> {
if !repo.has_backup(backup_name) {
error!("A backup with that name does not exist");
return Err(ErrorCode::NoSuchBackup)
}
Ok(checked!(repo.get_backup(backup_name), "load backup", ErrorCode::LoadBackup))
}
fn find_reference_backup(repo: &Repository, path: &str) -> Result<Option<(String, Backup)>, ErrorCode> {
let mut matching = Vec::new();
let hostname = match get_hostname() {
Ok(hostname) => hostname,
Err(_) => return Ok(None)
};
let backup_map = match repo.get_all_backups() {
Ok(backup_map) => backup_map,
Err(RepositoryError::BackupFile(BackupFileError::PartialBackupsList(backup_map, _failed))) => {
warn!("Some backups could not be read, ignoring them");
backup_map
},
Err(err) => {
error!("Failed to load backup files: {}", err);
return Err(ErrorCode::LoadBackup)
}
};
for (name, backup) in backup_map {
if backup.host == hostname && backup.path == path {
matching.push((name, backup));
}
}
matching.sort_by_key(|&(_, ref b)| b.timestamp);
Ok(matching.pop())
}
fn print_backup(backup: &Backup) {
if backup.modified {
warn!("This backup has been modified");
}
println!("Date: {}", Local.timestamp(backup.timestamp, 0).to_rfc2822());
println!("Source: {}:{}", backup.host, backup.path);
println!("Duration: {}", to_duration(backup.duration));
println!("Entries: {} files, {} dirs", backup.file_count, backup.dir_count);
println!("Total backup size: {}", to_file_size(backup.total_data_size));
println!("Modified data size: {}", to_file_size(backup.changed_data_size));
let dedup_ratio = backup.deduplicated_data_size as f32 / backup.changed_data_size as f32;
println!("Deduplicated size: {}, {:.1}% saved", to_file_size(backup.deduplicated_data_size), (1.0 - dedup_ratio)*100.0);
let compress_ratio = backup.encoded_data_size as f32 / backup.deduplicated_data_size as f32;
println!("Compressed size: {} in {} bundles, {:.1}% saved", to_file_size(backup.encoded_data_size), backup.bundle_count, (1.0 - compress_ratio)*100.0);
println!("Chunk count: {}, avg size: {}", backup.chunk_count, to_file_size(backup.avg_chunk_size as u64));
}
pub fn format_inode_one_line(inode: &Inode) -> String {
match inode.file_type {
FileType::Directory => format!("{:25}\t{} entries", format!("{}/", inode.name), inode.children.as_ref().map(|c| c.len()).unwrap_or(0)),
FileType::File => format!("{:25}\t{:>10}\t{}", inode.name, to_file_size(inode.size), Local.timestamp(inode.timestamp, 0).to_rfc2822()),
FileType::Symlink => format!("{:25}\t -> {}", inode.name, inode.symlink_target.as_ref().map(|s| s as &str).unwrap_or("?")),
}
}
fn print_inode(inode: &Inode) {
println!("Name: {}", inode.name);
println!("Type: {}", inode.file_type);
println!("Size: {}", to_file_size(inode.size));
println!("Permissions: {:3o}", inode.mode);
println!("User: {}", inode.user);
println!("Group: {}", inode.group);
println!("Timestamp: {}", Local.timestamp(inode.timestamp, 0).to_rfc2822());
if let Some(ref target) = inode.symlink_target {
println!("Symlink target: {}", target);
}
println!("Cumulative size: {}", to_file_size(inode.cum_size));
println!("Cumulative file count: {}", inode.cum_files);
println!("Cumulative directory count: {}", inode.cum_dirs);
if let Some(ref children) = inode.children {
println!("Children:");
for name in children.keys() {
println!(" - {}", name);
}
}
if !inode.xattrs.is_empty() {
println!("Extended attributes:");
for (key, value) in &inode.xattrs {
if let Ok(value) = str::from_utf8(value) {
println!(" - {} = '{}'", key, value);
} else {
println!(" - {} = 0x{}", key, to_hex(value));
}
}
}
}
fn print_backups(backup_map: &HashMap<String, Backup>) {
let mut backups: Vec<_> = backup_map.into_iter().collect();
backups.sort_by_key(|b| b.0);
for (name, backup) in backups {
println!("{:40} {:>32} {:7} files, {:6} dirs, {:>10}",
name, Local.timestamp(backup.timestamp, 0).to_rfc2822(), backup.file_count,
backup.dir_count, to_file_size(backup.total_data_size));
}
}
fn print_repoinfo(info: &RepositoryInfo) {
println!("Bundles: {}", info.bundle_count);
println!("Total size: {}", to_file_size(info.encoded_data_size));
println!("Uncompressed size: {}", to_file_size(info.raw_data_size));
println!("Compression ratio: {:.1}%", info.compression_ratio * 100.0);
println!("Chunk count: {}", info.chunk_count);
println!("Average chunk size: {}", to_file_size(info.avg_chunk_size as u64));
let index_usage = info.index_entries as f32 / info.index_capacity as f32;
println!("Index: {}, {:.0}% full", to_file_size(info.index_size as u64), index_usage * 100.0);
}
fn print_bundle(bundle: &StoredBundle) {
println!("Bundle {}", bundle.info.id);
println!(" - Mode: {:?}", bundle.info.mode);
println!(" - Path: {:?}", bundle.path);
println!(" - Date: {}", Local.timestamp(bundle.info.timestamp, 0).to_rfc2822());
println!(" - Hash method: {:?}", bundle.info.hash_method);
let encryption = if let Some((_, ref key)) = bundle.info.encryption {
to_hex(key)
} else {
"none".to_string()
};
println!(" - Encryption: {}", encryption);
println!(" - Chunks: {}", bundle.info.chunk_count);
println!(" - Size: {}", to_file_size(bundle.info.encoded_size as u64));
println!(" - Data size: {}", to_file_size(bundle.info.raw_size as u64));
let ratio = bundle.info.encoded_size as f32 / bundle.info.raw_size as f32;
let compression = if let Some(ref c) = bundle.info.compression {
c.to_string()
} else {
"none".to_string()
};
println!(" - Compression: {}, ratio: {:.1}%", compression, ratio * 100.0);
}
fn print_bundle_one_line(bundle: &BundleInfo) {
println!("{}: {:8?}, {:5} chunks, {:8}", bundle.id, bundle.mode, bundle.chunk_count, to_file_size(bundle.encoded_size as u64))
}
fn print_config(config: &Config) {
println!("Bundle size: {}", to_file_size(config.bundle_size as u64));
println!("Chunker: {}", config.chunker.to_string());
if let Some(ref compression) = config.compression {
println!("Compression: {}", compression.to_string());
} else {
println!("Compression: none");
}
if let Some(ref encryption) = config.encryption {
println!("Encryption: {}", to_hex(&encryption.1[..]));
} else {
println!("Encryption: none");
}
println!("Hash method: {}", config.hash.name());
}
fn print_analysis(analysis: &HashMap<u32, BundleAnalysis>) {
let mut reclaim_space = [0; 11];
let mut rewrite_size = [0; 11];
let mut data_total = 0;
for bundle in analysis.values() {
data_total += bundle.info.encoded_size;
#[allow(unknown_lints,needless_range_loop)]
for i in 0..11 {
if bundle.get_usage_ratio() <= i as f32 * 0.1 {
reclaim_space[i] += bundle.get_unused_size();
rewrite_size[i] += bundle.get_used_size();
}
}
}
println!("Total bundle size: {}", to_file_size(data_total as u64));
let used = data_total - reclaim_space[10];
println!("Space used: {}, {:.1} %", to_file_size(used as u64), used as f32 / data_total as f32 * 100.0);
println!("Reclaimable space (depending on vacuum ratio)");
#[allow(unknown_lints,needless_range_loop)]
for i in 0..11 {
println!(" - ratio={:3}: {:>10}, {:4.1} %, rewriting {:>10}", i*10, to_file_size(reclaim_space[i] as u64), reclaim_space[i] as f32 / data_total as f32 * 100.0, to_file_size(rewrite_size[i] as u64));
}
}
#[allow(unknown_lints,cyclomatic_complexity)]
pub fn run() -> Result<(), ErrorCode> {
let (log_level, args) = try!(args::parse());
if let Err(err) = logger::init(log_level) {
println!("Failed to initialize the logger: {}", err);
return Err(ErrorCode::InitializeLogger)
}
match args {
Arguments::Init{repo_path, bundle_size, chunker, compression, encryption, hash, remote_path} => {
let mut repo = checked!(Repository::create(repo_path, Config {
bundle_size: bundle_size,
chunker: chunker,
compression: compression,
encryption: None,
hash: hash
}, remote_path), "create repository", ErrorCode::CreateRepository);
if encryption {
let (public, secret) = Crypto::gen_keypair();
info!("Created the following key pair");
println!("public: {}", to_hex(&public[..]));
println!("secret: {}", to_hex(&secret[..]));
repo.set_encryption(Some(&public));
checked!(repo.register_key(public, secret), "add key", ErrorCode::AddKey);
checked!(repo.save_config(), "save config", ErrorCode::SaveConfig);
warn!("Please store this key pair in a secure location before using the repository");
println!();
}
print_config(&repo.config);
},
Arguments::Backup{repo_path, backup_name, src_path, full, reference, same_device, mut excludes, excludes_from, no_default_excludes, tar} => {
let mut repo = try!(open_repository(&repo_path));
if repo.has_backup(&backup_name) {
error!("A backup with that name already exists");
return Err(ErrorCode::BackupAlreadyExists)
}
if src_path == "-" && !tar {
error!("Reading from stdin requires --tar");
return Err(ErrorCode::InvalidArgs)
}
let mut reference_backup = None;
if !full && !tar {
reference_backup = match reference {
Some(r) => {
let b = try!(get_backup(&repo, &r));
Some((r, b))
},
None => None
};
if reference_backup.is_none() {
reference_backup = try!(find_reference_backup(&repo, &src_path));
}
if let Some(&(ref name, _)) = reference_backup.as_ref() {
info!("Using backup {} as reference", name);
} else {
info!("No reference backup found, doing a full scan instead");
}
}
let reference_backup = reference_backup.map(|(_, backup)| backup);
if !no_default_excludes && !tar {
for line in BufReader::new(checked!(File::open(&repo.layout.excludes_path()), "open default excludes file", ErrorCode::LoadExcludes)).lines() {
excludes.push(checked!(line, "read default excludes file", ErrorCode::LoadExcludes));
}
}
if let Some(excludes_from) = excludes_from {
for line in BufReader::new(checked!(File::open(excludes_from), "open excludes file", ErrorCode::LoadExcludes)).lines() {
excludes.push(checked!(line, "read excludes file", ErrorCode::LoadExcludes));
}
}
let mut excludes_parsed = Vec::with_capacity(excludes.len());
for mut exclude in excludes {
if exclude.starts_with('#') || exclude.is_empty() {
continue
}
exclude = regex::escape(&exclude).replace('?', ".").replace(r"\*\*", ".*").replace(r"\*", "[^/]*");
excludes_parsed.push(if exclude.starts_with('/') {
format!(r"^{}($|/)", exclude)
} else {
format!(r"/{}($|/)", exclude)
});
};
let excludes = if excludes_parsed.is_empty() {
None
} else {
Some(checked!(RegexSet::new(excludes_parsed), "parse exclude patterns", ErrorCode::InvalidExcludes))
};
let options = BackupOptions {
same_device: same_device,
excludes: excludes
};
let result = if tar {
repo.import_tarfile(&src_path)
} else {
repo.create_backup_recursively(&src_path, reference_backup.as_ref(), &options)
};
let backup = match result {
Ok(backup) => {
info!("Backup finished");
backup
},
Err(RepositoryError::Backup(BackupError::FailedPaths(backup, _failed_paths))) => {
warn!("Some files are missing from the backup");
backup
},
Err(err) => {
error!("Backup failed: {}", err);
return Err(ErrorCode::BackupRun)
}
};
checked!(repo.save_backup(&backup, &backup_name), "save backup file", ErrorCode::SaveBackup);
print_backup(&backup);
},
Arguments::Restore{repo_path, backup_name, inode, dst_path, tar} => {
let mut repo = try!(open_repository(&repo_path));
let backup = try!(get_backup(&repo, &backup_name));
let inode = if let Some(inode) = inode {
checked!(repo.get_backup_inode(&backup, &inode), "load subpath inode", ErrorCode::LoadInode)
} else {
checked!(repo.get_inode(&backup.root), "load root inode", ErrorCode::LoadInode)
};
if tar {
checked!(repo.export_tarfile(&backup, inode, &dst_path), "restore backup", ErrorCode::RestoreRun);
} else {
checked!(repo.restore_inode_tree(&backup, inode, &dst_path), "restore backup", ErrorCode::RestoreRun);
}
info!("Restore finished");
},
Arguments::Remove{repo_path, backup_name, inode, force} => {
let mut repo = try!(open_repository(&repo_path));
if let Some(inode) = inode {
let mut backup = try!(get_backup(&repo, &backup_name));
checked!(repo.remove_backup_path(&mut backup, inode), "remove backup subpath", ErrorCode::RemoveRun);
checked!(repo.save_backup(&backup, &backup_name), "save backup file", ErrorCode::SaveBackup);
info!("The backup subpath has been deleted, run vacuum to reclaim space");
} else if repo.layout.backups_path().join(&backup_name).is_dir() {
let backups = checked!(repo.get_backups(&backup_name), "retrieve backups", ErrorCode::RemoveRun);
if force {
for name in backups.keys() {
checked!(repo.delete_backup(&format!("{}/{}", &backup_name, name)), "delete backup", ErrorCode::RemoveRun);
}
} else {
error!("Denying to remove multiple backups (use --force):");
for name in backups.keys() {
println!(" - {}/{}", backup_name, name);
}
}
} else {
checked!(repo.delete_backup(&backup_name), "delete backup", ErrorCode::RemoveRun);
info!("The backup has been deleted, run vacuum to reclaim space");
}
},
Arguments::Prune{repo_path, prefix, daily, weekly, monthly, yearly, force} => {
let mut repo = try!(open_repository(&repo_path));
if daily + weekly + monthly + yearly == 0 {
error!("This would remove all those backups");
return Err(ErrorCode::UnsafeArgs)
}
checked!(repo.prune_backups(&prefix, daily, weekly, monthly, yearly, force), "prune backups", ErrorCode::PruneRun);
if !force {
info!("Run with --force to actually execute this command");
}
},
Arguments::Vacuum{repo_path, ratio, force, combine} => {
let mut repo = try!(open_repository(&repo_path));
let info_before = repo.info();
checked!(repo.vacuum(ratio, combine, force), "vacuum", ErrorCode::VacuumRun);
if !force {
info!("Run with --force to actually execute this command");
} else {
let info_after = repo.info();
info!("Reclaimed {}", to_file_size(info_before.encoded_data_size - info_after.encoded_data_size));
}
},
Arguments::Check{repo_path, backup_name, inode, bundles, index, bundle_data, repair} => {
let mut repo = try!(open_repository(&repo_path));
checked!(repo.check_repository(repair), "check repository", ErrorCode::CheckRun);
if bundles {
checked!(repo.check_bundles(bundle_data, repair), "check bundles", ErrorCode::CheckRun);
}
if index {
checked!(repo.check_index(repair), "check index", ErrorCode::CheckRun);
}
if let Some(backup_name) = backup_name {
let mut backup = try!(get_backup(&repo, &backup_name));
if let Some(path) = inode {
checked!(repo.check_backup_inode(&backup_name, &mut backup, Path::new(&path), repair), "check inode", ErrorCode::CheckRun)
} else {
checked!(repo.check_backup(&backup_name, &mut backup, repair), "check backup", ErrorCode::CheckRun)
}
} else {
checked!(repo.check_backups(repair), "check repository", ErrorCode::CheckRun)
}
repo.set_clean();
info!("Integrity verified")
},
Arguments::List{repo_path, backup_name, inode} => {
let mut repo = try!(open_repository(&repo_path));
let backup_map = if let Some(backup_name) = backup_name {
if repo.layout.backups_path().join(&backup_name).is_dir() {
repo.get_backups(&backup_name)
} else {
let backup = try!(get_backup(&repo, &backup_name));
let inode = checked!(repo.get_backup_inode(&backup, inode.as_ref().map(|v| v as &str).unwrap_or("/")), "load subpath inode", ErrorCode::LoadInode);
println!("{}", format_inode_one_line(&inode));
if let Some(children) = inode.children {
for chunks in children.values() {
let inode = checked!(repo.get_inode(chunks), "load child inode", ErrorCode::LoadInode);
println!("- {}", format_inode_one_line(&inode));
}
}
return Ok(())
}
} else {
repo.get_all_backups()
};
let backup_map = match backup_map {
Ok(backup_map) => backup_map,
Err(RepositoryError::BackupFile(BackupFileError::PartialBackupsList(backup_map, _failed))) => {
warn!("Some backups could not be read, ignoring them");
backup_map
},
Err(err) => {
error!("Failed to load backup files: {}", err);
return Err(ErrorCode::LoadBackup)
}
};
print_backups(&backup_map);
},
Arguments::Info{repo_path, backup_name, inode} => {
let mut repo = try!(open_repository(&repo_path));
if let Some(backup_name) = backup_name {
let backup = try!(get_backup(&repo, &backup_name));
if let Some(inode) = inode {
let inode = checked!(repo.get_backup_inode(&backup, inode), "load subpath inode", ErrorCode::LoadInode);
print_inode(&inode);
} else {
print_backup(&backup);
}
} else {
print_repoinfo(&repo.info());
}
},
Arguments::Mount{repo_path, backup_name, inode, mount_point} => {
let mut repo = try!(open_repository(&repo_path));
let fs = if let Some(backup_name) = backup_name {
if repo.layout.backups_path().join(&backup_name).is_dir() {
checked!(FuseFilesystem::from_repository(&mut repo, Some(&backup_name)), "create fuse filesystem", ErrorCode::FuseMount)
} else {
let backup = try!(get_backup(&repo, &backup_name));
if let Some(inode) = inode {
let inode = checked!(repo.get_backup_inode(&backup, inode), "load subpath inode", ErrorCode::LoadInode);
checked!(FuseFilesystem::from_inode(&mut repo, backup, inode), "create fuse filesystem", ErrorCode::FuseMount)
} else {
checked!(FuseFilesystem::from_backup(&mut repo, backup), "create fuse filesystem", ErrorCode::FuseMount)
}
}
} else {
checked!(FuseFilesystem::from_repository(&mut repo, None), "create fuse filesystem", ErrorCode::FuseMount)
};
info!("Mounting the filesystem...");
info!("Please unmount the filesystem via 'fusermount -u {}' when done.", mount_point);
checked!(fs.mount(&mount_point), "mount filesystem", ErrorCode::FuseMount);
},
Arguments::Analyze{repo_path} => {
let mut repo = try!(open_repository(&repo_path));
print_analysis(&checked!(repo.analyze_usage(), "analyze repository", ErrorCode::AnalyzeRun));
},
Arguments::BundleList{repo_path} => {
let repo = try!(open_repository(&repo_path));
for bundle in repo.list_bundles() {
print_bundle_one_line(bundle);
}
},
Arguments::BundleInfo{repo_path, bundle_id} => {
let repo = try!(open_repository(&repo_path));
if let Some(bundle) = repo.get_bundle(&bundle_id) {
print_bundle(bundle);
} else {
error!("No such bundle");
return Err(ErrorCode::LoadBundle)
}
},
Arguments::Import{repo_path, remote_path, key_files} => {
checked!(Repository::import(repo_path, remote_path, key_files), "import repository", ErrorCode::ImportRun);
info!("Import finished");
},
Arguments::Versions{repo_path, path} => {
let mut repo = try!(open_repository(&repo_path));
let mut found = false;
for (name, mut inode) in checked!(repo.find_versions(&path), "find versions", ErrorCode::VersionsRun) {
inode.name = format!("{}::{}", name, &path);
println!("{}", format_inode_one_line(&inode));
found = true;
}
if !found {
info!("No versions of that file were found.");
}
},
Arguments::Diff{repo_path_old, backup_name_old, inode_old, repo_path_new, backup_name_new, inode_new} => {
if repo_path_old != repo_path_new {
error!("Can only run diff on same repository");
return Err(ErrorCode::InvalidArgs)
}
let mut repo = try!(open_repository(&repo_path_old));
let backup_old = try!(get_backup(&repo, &backup_name_old));
let backup_new = try!(get_backup(&repo, &backup_name_new));
let inode1 = checked!(repo.get_backup_inode(&backup_old, inode_old.unwrap_or_else(|| "/".to_string())), "load subpath inode", ErrorCode::LoadInode);
let inode2 = checked!(repo.get_backup_inode(&backup_new, inode_new.unwrap_or_else(|| "/".to_string())), "load subpath inode", ErrorCode::LoadInode);
let diffs = checked!(repo.find_differences(&inode1, &inode2), "find differences", ErrorCode::DiffRun);
for diff in &diffs {
println!("{} {:?}", match diff.0 {
DiffType::Add => "add",
DiffType::Mod => "mod",
DiffType::Del => "del"
}, diff.1);
}
if diffs.is_empty() {
info!("No differences found");
}
},
Arguments::Config{repo_path, bundle_size, chunker, compression, encryption, hash} => {
let mut repo = try!(open_repository(&repo_path));
let mut changed = false;
if let Some(bundle_size) = bundle_size {
repo.config.bundle_size = bundle_size;
changed = true;
}
if let Some(chunker) = chunker {
warn!("Changing the chunker makes it impossible to use existing data for deduplication");
repo.config.chunker = chunker;
changed = true;
}
if let Some(compression) = compression {
repo.config.compression = compression;
changed = true;
}
if let Some(encryption) = encryption {
repo.set_encryption(encryption.as_ref());
changed = true;
}
if let Some(hash) = hash {
warn!("Changing the hash makes it impossible to use existing data for deduplication");
repo.config.hash = hash;
changed = true;
}
if changed {
checked!(repo.save_config(), "save config", ErrorCode::SaveConfig);
info!("The configuration has been updated.");
} else {
print_config(&repo.config);
}
},
Arguments::GenKey{file, password} => {
let (public, secret) = match password {
None => Crypto::gen_keypair(),
Some(ref password) => Crypto::keypair_from_password(password)
};
info!("Created the following key pair");
println!("public: {}", to_hex(&public[..]));
println!("secret: {}", to_hex(&secret[..]));
if let Some(file) = file {
checked!(Crypto::save_keypair_to_file(&public, &secret, file), "save key pair", ErrorCode::SaveKey);
}
},
Arguments::AddKey{repo_path, set_default, password, file} => {
let mut repo = try!(open_repository(&repo_path));
let (public, secret) = if let Some(file) = file {
checked!(Crypto::load_keypair_from_file(file), "load key pair", ErrorCode::LoadKey)
} else {
info!("Created the following key pair");
let (public, secret) = match password {
None => Crypto::gen_keypair(),
Some(ref password) => Crypto::keypair_from_password(password)
};
println!("public: {}", to_hex(&public[..]));
println!("secret: {}", to_hex(&secret[..]));
(public, secret)
};
checked!(repo.register_key(public, secret), "add key pair", ErrorCode::AddKey);
if set_default {
repo.set_encryption(Some(&public));
checked!(repo.save_config(), "save config", ErrorCode::SaveConfig);
warn!("Please store this key pair in a secure location before using the repository");
}
},
Arguments::AlgoTest{bundle_size, chunker, compression, encrypt, hash, file} => {
algotest::run(&file, bundle_size, chunker, compression, encrypt, hash);
}
}
Ok(())
}