@ -14,6 +14,7 @@ mod cli;
use crate ::cli ::* ; use crate ::cli ::* ;
use crate ::types ::* ; use crate ::types ::* ;
use clap ::Parser ; use clap ::Parser ;
use core ::fmt ;
use ng_broker ::interfaces ::* ; use ng_broker ::interfaces ::* ;
use ng_broker ::server_ws ::run_server_v0 ; use ng_broker ::server_ws ::run_server_v0 ;
use ng_broker ::types ::* ; use ng_broker ::types ::* ;
@ -27,6 +28,7 @@ use ng_net::utils::{
gen_dh_keys , is_ipv4_global , is_ipv4_private , is_ipv6_global , is_ipv6_private , gen_dh_keys , is_ipv4_global , is_ipv4_private , is_ipv6_global , is_ipv6_private ,
} ; } ;
use ng_net ::{ WS_PORT , WS_PORT_REVERSE_PROXY } ; use ng_net ::{ WS_PORT , WS_PORT_REVERSE_PROXY } ;
use ng_repo ::errors ::NgError ;
use ng_repo ::log ::* ; use ng_repo ::log ::* ;
use ng_repo ::types ::Sig ; use ng_repo ::types ::Sig ;
use ng_repo ::types ::SymKey ; use ng_repo ::types ::SymKey ;
@ -36,6 +38,7 @@ use ng_repo::{
utils ::{ decode_key , generate_keypair , sign , verify } , utils ::{ decode_key , generate_keypair , sign , verify } ,
} ; } ;
use serde_json ::{ from_str , to_string_pretty } ; use serde_json ::{ from_str , to_string_pretty } ;
use std ::error ::Error ;
use std ::fs ::{ read_to_string , write } ; use std ::fs ::{ read_to_string , write } ;
use std ::io ::ErrorKind ; use std ::io ::ErrorKind ;
use std ::net ::{ IpAddr , Ipv4Addr , Ipv6Addr } ; use std ::net ::{ IpAddr , Ipv4Addr , Ipv6Addr } ;
@ -79,7 +82,7 @@ fn parse_interface_and_port_for(
string : & String , string : & String ,
for_option : & str , for_option : & str ,
default_port : u16 , default_port : u16 ,
) -> Result < ( String , u16 ) , ( ) > { ) -> Result < ( String , u16 ) , NgdError > {
let c = RE_INTERFACE . captures ( string ) ; let c = RE_INTERFACE . captures ( string ) ;
if c . is_some ( ) & & c . as_ref ( ) . unwrap ( ) . get ( 1 ) . is_some ( ) { if c . is_some ( ) & & c . as_ref ( ) . unwrap ( ) . get ( 1 ) . is_some ( ) {
@ -104,20 +107,19 @@ fn parse_interface_and_port_for(
} ; } ;
Ok ( ( interface . to_string ( ) , port ) ) Ok ( ( interface . to_string ( ) , port ) )
} else { } else {
log_err ! ( Err ( NgdError ::OtherConfigError ( format !(
"The <INTERFACE:PORT> value submitted for the {} option is invalid. It should be the name of an interface found with --list-interfaces, with an optional port suffix of the form :123. cannot start " , "The <INTERFACE:PORT> value submitted for the {} option is invalid. It should be the name of an interface found with --list-interfaces, with an optional port suffix of the form :123." ,
for_option for_option
) ; ) ) )
Err ( ( ) )
} }
} }
fn parse_ipv6_for ( string : String , for_option : & str ) -> Result < Ipv6Addr , ( ) > { fn parse_ipv6_for ( string : String , for_option : & str ) -> Result < Ipv6Addr , NgdError > {
string . parse ::< Ipv6Addr > ( ) . map_err ( | _ | { string . parse ::< Ipv6Addr > ( ) . map_err ( | _ | {
log_err ! ( NgdError ::OtherConfigError ( format !(
"The <IPv6> value submitted for the {} option is invalid. cannot start " , "The <IPv6> value submitted for the {} option is invalid." ,
for_option for_option
) ) )
} ) } )
} }
@ -125,18 +127,17 @@ fn parse_ipv4_and_port_for(
string : String , string : String ,
for_option : & str , for_option : & str ,
default_port : u16 , default_port : u16 ,
) -> Result < ( Ipv4Addr , u16 ) , ( ) > { ) -> Result < ( Ipv4Addr , u16 ) , NgdError > {
let parts : Vec < & str > = string . split ( ":" ) . collect ( ) ; let parts : Vec < & str > = string . split ( ":" ) . collect ( ) ;
let ipv4 = parts [ 0 ] . parse ::< Ipv4Addr > ( ) . map_err ( | _ | { let ipv4 = parts [ 0 ] . parse ::< Ipv4Addr > ( ) . map_err ( | _ | {
log_err ! ( NgdError ::OtherConfigError ( format !(
"The <IPv4:PORT> value submitted for the {} option is invalid. cannot start " , "The <IPv4:PORT> value submitted for the {} option is invalid." ,
for_option for_option
) ) )
} ) ? ; } ) ? ;
let port ; let port = if parts . len ( ) > 1 {
if parts . len ( ) > 1 { match from_str ::< u16 > ( parts [ 1 ] ) {
port = match from_str ::< u16 > ( parts [ 1 ] ) {
Err ( _ ) = > default_port , Err ( _ ) = > default_port ,
Ok ( p ) = > { Ok ( p ) = > {
if p = = 0 { if p = = 0 {
@ -145,14 +146,14 @@ fn parse_ipv4_and_port_for(
p p
} }
} }
} ; }
} else { } else {
port = default_port ; default_port
} } ;
return Ok ( ( ipv4 , port ) ) ; Ok ( ( ipv4 , port ) )
} }
fn parse_ip_and_port_for ( string : String , for_option : & str ) -> Result < ( IpAddr , u16 ) , ( ) > { fn parse_ip_and_port_for ( string : String , for_option : & str ) -> Result < ( IpAddr , u16 ) , NgdError > {
let c = RE_IPV6_WITH_PORT . captures ( & string ) ; let c = RE_IPV6_WITH_PORT . captures ( & string ) ;
let ipv6 ; let ipv6 ;
let port ; let port ;
@ -177,24 +178,24 @@ fn parse_ip_and_port_for(string: String, for_option: &str) -> Result<(IpAddr, u1
} }
} ; } ;
let ipv6 = ipv6_str . parse ::< Ipv6Addr > ( ) . map_err ( | _ | { let ipv6 = ipv6_str . parse ::< Ipv6Addr > ( ) . map_err ( | _ | {
log_err ! ( NgdError ::OtherConfigError ( format !(
"The <[IPv6]:PORT> value submitted for the {} option is invalid. cannot start " , "The <[IPv6]:PORT> value submitted for the {} option is invalid." ,
for_option for_option
) ) )
} ) ? ; } ) ? ;
return Ok ( ( IpAddr ::V6 ( ipv6 ) , port ) ) ; Ok ( ( IpAddr ::V6 ( ipv6 ) , port ) )
} else { } else {
// we try just an IPV6 without port
// we try just an IPV6 without port
let ipv6_res = string . parse ::< Ipv6Addr > ( ) ; let ipv6_res = string . parse ::< Ipv6Addr > ( ) ;
if ipv6_res . is_err ( ) { if ipv6_res . is_err ( ) {
// let's try IPv4
// let's try IPv4
return parse_ipv4_and_port_for ( string , for_option , DEFAULT_PORT ) parse_ipv4_and_port_for ( string , for_option , DEFAULT_PORT )
. map ( | ipv4 | ( IpAddr ::V4 ( ipv4 . 0 ) , ipv4 . 1 ) ) ; . map ( | ipv4 | ( IpAddr ::V4 ( ipv4 . 0 ) , ipv4 . 1 ) )
} else { } else {
ipv6 = ipv6_res . unwrap ( ) ; ipv6 = ipv6_res . unwrap ( ) ;
port = DEFAULT_PORT ; port = DEFAULT_PORT ;
return Ok ( ( IpAddr ::V6 ( ipv6 ) , port ) ) ; Ok ( ( IpAddr ::V6 ( ipv6 ) , port ) )
} }
} }
} }
@ -202,72 +203,59 @@ fn parse_ip_and_port_for(string: String, for_option: &str) -> Result<(IpAddr, u1
fn parse_triple_interface_and_port_for ( fn parse_triple_interface_and_port_for (
string : & String , string : & String ,
for_option : & str , for_option : & str ,
) -> Result < ( ( String , u16 ) , ( Option < Ipv6Addr > , ( Ipv4Addr , u16 ) ) ) , ( ) > { ) -> Result < ( ( String , u16 ) , ( Option < Ipv6Addr > , ( Ipv4Addr , u16 ) ) ) , NgdError > {
let parts : Vec < & str > = string . split ( ',' ) . collect ( ) ; let parts : Vec < & str > = string . split ( ',' ) . collect ( ) ;
if parts . len ( ) < 2 { if parts . len ( ) < 2 {
log_err ! ( return Err ( NgdError ::OtherConfigError ( format !(
"The <PRIVATE_INTERFACE:PORT,[PUBLIC_IPV6,]PUBLIC_IPV4:PORT> value submitted for the {} option is invalid. It should be composed of at least 2 parts separated by a comma. cannot start " , "The <PRIVATE_INTERFACE:PORT,[PUBLIC_IPV6,]PUBLIC_IPV4:PORT> value submitted for the {} option is invalid. It should be composed of at least 2 parts separated by a comma." ,
for_option for_option
) ; ) ) ) ;
return Err ( ( ) ) ;
} }
let first_part = parse_interface_and_port_for ( let first_part = parse_interface_and_port_for (
& parts [ 0 ] . to_string ( ) , & parts [ 0 ] . to_string ( ) ,
& format! ( "private interface+PORT (left) part of the {}" , for_option ) , & format! ( "private interface+PORT (left) part of the {}" , for_option ) ,
DEFAULT_PORT , DEFAULT_PORT ,
) ; ) ? ;
if first_part . is_err ( ) {
return Err ( ( ) ) ;
}
let mut middle_part = None ; let mut middle_part = None ;
if parts . len ( ) = = 3 { if parts . len ( ) = = 3 {
let middle_part_res = parse_ipv6_for ( let middle_part_res = parse_ipv6_for (
parts [ 1 ] . to_string ( ) , parts [ 1 ] . to_string ( ) ,
& format! ( "public IPv6 (middle) part of the {}" , for_option ) , & format! ( "public IPv6 (middle) part of the {}" , for_option ) ,
) ; ) ? ;
if middle_part_res . is_err ( ) {
return Err ( ( ) ) ;
}
middle_part = middle_part_res . ok ( ) ;
} }
let last_part = parse_ipv4_and_port_for ( let last_part = parse_ipv4_and_port_for (
parts [ parts . len ( ) - 1 ] . to_string ( ) , parts [ parts . len ( ) - 1 ] . to_string ( ) ,
& format! ( "public IPv4+PORT (right) part of the {}" , for_option ) , & format! ( "public IPv4+PORT (right) part of the {}" , for_option ) ,
DEFAULT_PORT , DEFAULT_PORT ,
) ; ) ? ;
if last_part . is_err ( ) {
return Err ( ( ) ) ;
}
Ok ( ( first_part . unwrap ( ) , ( middle_part , last_part . unwrap ( ) ) ) ) Ok ( ( first_part , ( middle_part , last_part ) ) )
} }
fn parse_domain_and_port ( fn parse_domain_and_port (
domain_string : & String , domain_string : & String ,
option : & str , option : & str ,
default_port : u16 , default_port : u16 ,
) -> Result < ( String , String , u16 ) , ( ) > { ) -> Result < ( String , String , u16 ) , NgdError > {
let parts : Vec < & str > = domain_string . split ( ':' ) . collect ( ) ; let parts : Vec < & str > = domain_string . split ( ':' ) . collect ( ) ;
// check validity of domain name
// check validity of domain name
let valid_domain = List . parse_dns_name ( parts [ 0 ] ) ; let valid_domain = List . parse_dns_name ( parts [ 0 ] ) ;
match valid_domain { match valid_domain {
Err ( e ) = > { Err ( e ) = > {
log_err ! ( return Err ( NgdError ::OtherConfigError ( format !(
"The domain name provided for option {} is invalid. {}. cannot start " , "The domain name provided for option {} is invalid. {}." ,
option , option ,
e . to_string ( ) e . to_string ( )
) ; ) ) ) ;
return Err ( ( ) ) ;
} }
Ok ( name ) = > { Ok ( name ) = > {
if ! name . has_known_suffix ( ) { if ! name . has_known_suffix ( ) {
log_err ! ( return Err ( NgdError ::OtherConfigError ( format! (
"The domain name provided for option {} is invalid. Unknown suffix in public list. cannot start" , option "The domain name provided for option {} is invalid. Unknown suffix in public list." , option
) ; ) ) ) ;
return Err ( ( ) ) ;
} }
} }
} }
@ -296,7 +284,7 @@ fn parse_domain_and_port(
fn prepare_accept_forward_for_domain ( fn prepare_accept_forward_for_domain (
domain : String , domain : String ,
args : & mut Cli , args : & mut Cli ,
) -> Result < AcceptForwardForV0 , ( ) > { ) -> Result < AcceptForwardForV0 , NgError > {
if args . domain_peer . is_some ( ) { if args . domain_peer . is_some ( ) {
let key = decode_key ( args . domain_peer . as_ref ( ) . unwrap ( ) . as_str ( ) ) ? ; let key = decode_key ( args . domain_peer . as_ref ( ) . unwrap ( ) . as_str ( ) ) ? ;
args . domain_peer . as_mut ( ) . unwrap ( ) . zeroize ( ) ; args . domain_peer . as_mut ( ) . unwrap ( ) . zeroize ( ) ;
@ -310,15 +298,84 @@ fn prepare_accept_forward_for_domain(
Ok ( AcceptForwardForV0 ::PublicDomain ( ( domain , "" . to_string ( ) ) ) ) Ok ( AcceptForwardForV0 ::PublicDomain ( ( domain , "" . to_string ( ) ) ) )
} }
} }
#[ derive(Debug) ]
pub enum NgdError {
IoError ( std ::io ::Error ) ,
NgError ( NgError ) ,
InvalidKeyFile ( String ) ,
CannotSaveKey ( String ) ,
InvalidSignature ,
CannotSaveSignature ( String ) ,
InvalidConfigFile ( String ) ,
ConfigCannotSave ,
ConfigFilePresent ,
ConfigDomainPeerConflict ,
NoLoopback ,
OtherConfigError ( String ) ,
OtherConfigErrorStr ( & ' static str ) ,
CannotSaveConfig ( String ) ,
}
impl Error for NgdError { }
impl From < NgdError > for std ::io ::Error {
fn from ( err : NgdError ) -> std ::io ::Error {
match err {
NgdError ::NgError ( e ) = > e . into ( ) ,
NgdError ::IoError ( e ) = > e ,
_ = > std ::io ::Error ::new ( std ::io ::ErrorKind ::Other , err . to_string ( ) . as_str ( ) ) ,
}
}
}
impl From < NgError > for NgdError {
fn from ( err : NgError ) -> NgdError {
Self ::NgError ( err )
}
}
impl From < std ::io ::Error > for NgdError {
fn from ( io : std ::io ::Error ) -> NgdError {
NgdError ::IoError ( io )
}
}
impl fmt ::Display for NgdError {
fn fmt ( & self , f : & mut fmt ::Formatter < ' _ > ) -> fmt ::Result {
match self {
Self ::InvalidKeyFile ( s ) = > write! ( f , "provided key file is invalid. {}" , s ) ,
Self ::CannotSaveKey ( s ) = > write! ( f , "cannot save key to file. {}" , s ) ,
Self ::NgError ( e ) = > write! ( f , "{}" , e . to_string ( ) ) ,
Self ::InvalidConfigFile ( s ) = > write! ( f , "provided config file is invalid. {}" , s ) ,
Self ::IoError ( e ) = > write! ( f , "IoError : {:?}" , e ) ,
Self ::ConfigCannotSave = > write! (
f ,
"A config file is present. We cannot override it with Quick config options"
) ,
Self ::ConfigFilePresent = > write! (
f ,
"A config file is present. You cannot use the Quick config options on the command-line. In order to use them, delete your config file first."
) ,
Self ::ConfigDomainPeerConflict = > write! (
f , "The --domain-peer option can only be set when the --domain or --domain-private option is also present on the command line." ) ,
Self ::NoLoopback = > write! (
f , "That's pretty unusual, but no loopback interface could be found on your host. --domain option failed for that reason." ) ,
Self ::OtherConfigError ( s ) = > write! ( f , "{}" , s ) ,
Self ::OtherConfigErrorStr ( s ) = > write! ( f , "{}" , s ) ,
_ = > write! ( f , "{:?}" , self ) ,
}
}
}
#[ async_std::main ] #[ async_std::main ]
async fn main ( ) -> std ::io ::Result < ( ) > { async fn main ( ) -> std ::io ::Result < ( ) > {
main_inner ( ) if let Err ( err ) = main_inner ( ) . await {
. await log_err ! ( "Cannot start: {}" , err . to_string ( ) ) ;
. map_err ( | _ | ErrorKind ::InvalidInput . into ( ) ) return Err ( err . into ( ) ) ;
}
Ok ( ( ) )
} }
async fn main_inner ( ) -> Result < ( ) , NgdError > {
async fn main_inner ( ) -> Result < ( ) , ( ) > {
let mut args = Cli ::parse ( ) ; let mut args = Cli ::parse ( ) ;
if args . list_interfaces { if args . list_interfaces {
@ -340,7 +397,10 @@ async fn main_inner() -> Result<(), ()> {
} }
env_logger ::init ( ) ; env_logger ::init ( ) ;
log_info ! ( "Starting NextGraph daemon (ngd)" ) ; log_info ! (
"Starting NextGraph daemon (ngd) version {}" ,
env! ( "CARGO_PKG_VERSION" ) . to_string ( )
) ;
log_debug ! ( "base {:?}" , args . base ) ; log_debug ! ( "base {:?}" , args . base ) ;
@ -357,23 +417,20 @@ async fn main_inner() -> Result<(), ()> {
// reading key from file, if any
// reading key from file, if any
let mut key_path = path . clone ( ) ; let mut key_path = path . clone ( ) ;
key_path . push ( "key" ) ; key_path . push ( "key" ) ;
let key_from_file : Option < [ u8 ; 32 ] > ;
let res = | key_path | -> Result < [ u8 ; 32 ] , & str > { let key_from_file : Option < [ u8 ; 32 ] > = match read_to_string ( key_path . clone ( ) ) {
let mut file = read_to_string ( key_path ) . map_err ( | _ | "" ) ? ; Err ( _ ) = > None ,
let first_line = file . lines ( ) . nth ( 0 ) . ok_or ( "empty file" ) ? ; Ok ( mut file ) = > {
let res = decode_key ( first_line . trim ( ) ) . map_err ( | _ | "invalid file" ) ; let first_line = file
file . zeroize ( ) ; . lines ( )
res . nth ( 0 )
} ( & key_path ) ; . ok_or ( NgdError ::InvalidKeyFile ( "empty file" . to_string ( ) ) ) ? ;
let res = decode_key ( first_line . trim ( ) )
if res . is_err ( ) & & res . unwrap_err ( ) . len ( ) > 0 { . map_err ( | _ | NgdError ::InvalidKeyFile ( "deserialization error" . to_string ( ) ) ) ? ;
log_err ! ( file . zeroize ( ) ;
"provided key file is incorrect. {}. cannot start" , Some ( res )
res . unwrap_err ( ) }
) ; } ;
return Err ( ( ) ) ;
}
key_from_file = res . ok ( ) ;
let mut keys : [ [ u8 ; 32 ] ; 4 ] = match & args . key { let mut keys : [ [ u8 ; 32 ] ; 4 ] = match & args . key {
Some ( key_string ) = > { Some ( key_string ) = > {
@ -382,13 +439,15 @@ async fn main_inner() -> Result<(), ()> {
args . key . as_mut ( ) . unwrap ( ) . zeroize ( ) ; args . key . as_mut ( ) . unwrap ( ) . zeroize ( ) ;
gen_broker_keys ( key_from_file ) gen_broker_keys ( key_from_file )
} else { } else {
let res = decode_key ( key_string . as_str ( ) ) let res = decode_key ( key_string . as_str ( ) ) . map_err ( | _ | {
. map_err ( | _ | log_err ! ( "provided key is invalid. cannot start" ) ) ? ; NgdError ::InvalidKeyFile (
"check the argument provided in command line" . to_string ( ) ,
)
} ) ? ;
if args . save_key { if args . save_key {
let mut master_key = base64_url ::encode ( & res ) ; let mut master_key = base64_url ::encode ( & res ) ;
write ( key_path . clone ( ) , & master_key ) . map_err ( | e | { write ( key_path . clone ( ) , & master_key )
log_err ! ( "cannot save key to file. {}.cannot start" , e . to_string ( ) ) . map_err ( | e | NgdError ::CannotSaveKey ( e . to_string ( ) ) ) ? ;
} ) ? ;
master_key . zeroize ( ) ; master_key . zeroize ( ) ;
log_info ! ( "The key has been saved to {}" , key_path . to_str ( ) . unwrap ( ) ) ; log_info ! ( "The key has been saved to {}" , key_path . to_str ( ) . unwrap ( ) ) ;
} }
@ -403,9 +462,8 @@ async fn main_inner() -> Result<(), ()> {
let res = gen_broker_keys ( None ) ; let res = gen_broker_keys ( None ) ;
let mut master_key = base64_url ::encode ( & res [ 0 ] ) ; let mut master_key = base64_url ::encode ( & res [ 0 ] ) ;
if args . save_key { if args . save_key {
write ( key_path . clone ( ) , & master_key ) . map_err ( | e | { write ( key_path . clone ( ) , & master_key )
log_err ! ( "cannot save key to file. {}.cannot start" , e . to_string ( ) ) . map_err ( | e | NgdError ::CannotSaveKey ( e . to_string ( ) ) ) ? ;
} ) ? ;
log_info ! ( "The key has been saved to {}" , key_path . to_str ( ) . unwrap ( ) ) ; log_info ! ( "The key has been saved to {}" , key_path . to_str ( ) . unwrap ( ) ) ;
} else { } else {
// on purpose we don't log the key, just print it out to stdout, as it should not be saved in logger's files
// on purpose we don't log the key, just print it out to stdout, as it should not be saved in logger's files
@ -427,38 +485,25 @@ async fn main_inner() -> Result<(), ()> {
let mut sign_path = path . clone ( ) ; let mut sign_path = path . clone ( ) ;
sign_path . push ( "sign" ) ; sign_path . push ( "sign" ) ;
let sign_from_file : Option < [ u8 ; 32 ] > ; let sign_from_file : Option < [ u8 ; 32 ] > ;
let res = | sign_path | -> Result < ( ) , & str > { let privkey : PrivKey = keys [ 3 ] . into ( ) ;
let file = std ::fs ::read ( sign_path ) . map_err ( | _ | "" ) ? ; let pubkey = privkey . to_pub ( ) ;
let sig : Sig = serde_bare ::from_slice ( & file ) . map_err ( | _ | "invalid serialization" ) ? ;
let privkey : PrivKey = keys [ 3 ] . into ( ) ; if match std ::fs ::read ( sign_path . clone ( ) ) {
let pubkey = privkey . to_pub ( ) ; Err ( _ ) = > true ,
verify ( & vec! [ 110 u8 , 103 u8 , 100 u8 ] , sig , pubkey ) . map_err ( | _ | "invalid signature" ) ? ; Ok ( file ) = > {
Ok ( ( ) ) let sig : Sig = serde_bare ::from_slice ( & file ) . map_err ( | _ | NgdError ::InvalidSignature ) ? ;
} ( & sign_path ) ; verify ( & vec! [ 110 u8 , 103 u8 , 100 u8 ] , sig , pubkey )
. map_err ( | _ | NgdError ::InvalidSignature ) ? ;
if res . is_err ( ) { false
if res . unwrap_err ( ) . len ( ) > 0 {
log_err ! (
"provided key is invalid. {}. cannot start" ,
res . unwrap_err ( )
) ;
return Err ( ( ) ) ;
} else {
// time to save the signature
let privkey : PrivKey = keys [ 3 ] . into ( ) ;
let pubkey = privkey . to_pub ( ) ;
let sig = sign ( & privkey , & pubkey , & vec! [ 110 u8 , 103 u8 , 100 u8 ] ) ;
if sig . is_err ( ) {
log_err ! ( "cannot save signature. cannot start" ) ;
return Err ( ( ) ) ;
}
let sig_ser = serde_bare ::to_vec ( & sig . unwrap ( ) ) . unwrap ( ) ;
let res = std ::fs ::write ( sign_path , sig_ser ) ;
if res . is_err ( ) {
log_err ! ( "cannot save signature. {}. cannot start" , res . unwrap_err ( ) ) ;
return Err ( ( ) ) ;
}
} }
} {
// time to save the signature
let sig = sign ( & privkey , & pubkey , & vec! [ 110 u8 , 103 u8 , 100 u8 ] )
. map_err ( | e | NgdError ::CannotSaveSignature ( e . to_string ( ) ) ) ? ;
let sig_ser = serde_bare ::to_vec ( & sig ) . unwrap ( ) ;
let res = std ::fs ::write ( sign_path , sig_ser )
. map_err ( | e | NgdError ::CannotSaveSignature ( e . to_string ( ) ) ) ? ;
} }
// DEALING WITH CONFIG
// DEALING WITH CONFIG
@ -466,24 +511,13 @@ async fn main_inner() -> Result<(), ()> {
// reading config from file, if any
// reading config from file, if any
let mut config_path = path . clone ( ) ; let mut config_path = path . clone ( ) ;
config_path . push ( "config.json" ) ; config_path . push ( "config.json" ) ;
let mut config : Option < DaemonConfig > ; let mut config : Option < DaemonConfig > = match read_to_string ( config_path . clone ( ) ) {
let res = | config_path | -> Result < DaemonConfig , String > { Err ( _ ) = > None ,
let file = read_to_string ( config_path ) . map_err ( | _ | "" . to_string ( ) ) ? ; Ok ( file ) = > Some ( from_str ( & file ) . map_err ( | e | NgdError ::InvalidConfigFile ( e . to_string ( ) ) ) ? ) ,
from_str ( & file ) . map_err ( | e | e . to_string ( ) ) } ;
} ( & config_path ) ;
if res . is_err ( ) & & res . as_ref ( ) . unwrap_err ( ) . len ( ) > 0 {
log_err ! (
"provided config file is incorrect. {}. cannot start" ,
res . unwrap_err ( )
) ;
return Err ( ( ) ) ;
}
config = res . ok ( ) ;
if config . is_some ( ) & & args . save_config { if config . is_some ( ) & & args . save_config {
log_err ! ( "A config file is present. We cannot override it with Quick config options. cannot start" ) ; return Err ( NgdError ::ConfigCannotSave ) ;
return Err ( ( ) ) ;
} }
if args . local . is_some ( ) if args . local . is_some ( )
@ -498,17 +532,11 @@ async fn main_inner() -> Result<(), ()> {
// QUICK CONFIG
// QUICK CONFIG
if config . is_some ( ) & & ! args . print_config { if config . is_some ( ) & & ! args . print_config {
log_err ! ( return Err ( NgdError ::ConfigFilePresent ) ;
"A config file is present. You cannot use the Quick config options on the command-line. In order to use them, delete your config file first. cannot start"
) ;
return Err ( ( ) ) ;
} }
if args . domain_peer . is_some ( ) & & args . domain_private . is_none ( ) & & args . domain . is_none ( ) { if args . domain_peer . is_some ( ) & & args . domain_private . is_none ( ) & & args . domain . is_none ( ) {
log_err ! ( return Err ( NgdError ::ConfigCannotSave ) ;
"The --domain-peer option can only be set when the --domain or --domain-private option is also present on the command line. cannot start"
) ;
return Err ( ( ) ) ;
} }
let mut listeners : Vec < ListenerV0 > = vec! [ ] ; let mut listeners : Vec < ListenerV0 > = vec! [ ] ;
@ -541,17 +569,14 @@ async fn main_inner() -> Result<(), ()> {
match find_first ( & interfaces , InterfaceType ::Loopback ) { match find_first ( & interfaces , InterfaceType ::Loopback ) {
None = > { None = > {
log_err ! ( return Err ( NgdError ::NoLoopback ) ;
"That's pretty unusual, but no loopback interface could be found on your host. --domain option failed for that reason. cannot start"
) ;
return Err ( ( ) ) ;
} }
Some ( loopback ) = > { Some ( loopback ) = > {
overlays_config . server = BrokerOverlayPermission ::AllRegisteredUser ; overlays_config . server = BrokerOverlayPermission ::AllRegisteredUser ;
let mut listener = ListenerV0 ::new_direct ( loopback , ! args . no_ipv6 , local_port ) ; let mut listener = ListenerV0 ::new_direct ( loopback , ! args . no_ipv6 , local_port ) ;
listener . accept_direct = false ; listener . accept_direct = false ;
let res = prepare_accept_forward_for_domain ( domain , & mut args ) . map_err ( | _ | { let res = prepare_accept_forward_for_domain ( domain , & mut args ) . map_err ( | _ | {
log_err ! ( "The --domain-peer option has an invalid key. it must be a base64_url encoded serialization of a PrivKey. cannot start " ) NgdError ::OtherConfigErrorStr ( "The --domain-peer option has an invalid key. it must be a base64_url encoded serialization of a PrivKey." )
} ) ? ; } ) ? ;
listener . accept_forward_for = res ; listener . accept_forward_for = res ;
listeners . push ( listener ) ; listeners . push ( listener ) ;
@ -564,10 +589,7 @@ async fn main_inner() -> Result<(), ()> {
if args . local . is_some ( ) { if args . local . is_some ( ) {
match find_first ( & interfaces , InterfaceType ::Loopback ) { match find_first ( & interfaces , InterfaceType ::Loopback ) {
None = > { None = > {
log_err ! ( return Err ( NgdError ::OtherConfigErrorStr ( "That's pretty unusual, but no loopback interface could be found on your host." ) ) ;
"That's pretty unusual, but no loopback interface could be found on your host. cannot start"
) ;
return Err ( ( ) ) ;
} }
Some ( loopback ) = > { Some ( loopback ) = > {
overlays_config . server = BrokerOverlayPermission ::AllRegisteredUser ; overlays_config . server = BrokerOverlayPermission ::AllRegisteredUser ;
@ -577,10 +599,7 @@ async fn main_inner() -> Result<(), ()> {
& & listeners . last ( ) . unwrap ( ) . port = = args . local . unwrap ( ) & & listeners . last ( ) . unwrap ( ) . port = = args . local . unwrap ( )
{ {
if args . domain_peer . is_some ( ) { if args . domain_peer . is_some ( ) {
log_err ! ( return Err ( NgdError ::OtherConfigErrorStr ( "--local is not allowed if --domain-peer is selected, as they both use the same port. change the port of one of them" ) ) ;
"--local is not allowed if --domain-peer is selected, as they both use the same port. change the port of one of them. cannot start"
) ;
return Err ( ( ) ) ;
} }
let r = listeners . last_mut ( ) . unwrap ( ) ; let r = listeners . last_mut ( ) . unwrap ( ) ;
r . accept_direct = true ; r . accept_direct = true ;
@ -605,18 +624,14 @@ async fn main_inner() -> Result<(), ()> {
let if_name = & arg_value . 0 ; let if_name = & arg_value . 0 ;
match find_first_or_name ( & interfaces , InterfaceType ::Public , & if_name ) { match find_first_or_name ( & interfaces , InterfaceType ::Public , & if_name ) {
None = > { None = > {
log_err ! ( if if_name = = "default" {
"{}" , return Err ( NgdError ::OtherConfigErrorStr ( "We could not find a public IP interface on your host. If you are setting up a server behind a reverse proxy, enter the config manually in the config file." ) ) ;
if if_name = = "default" { } else {
"We could not find a public IP interface on your host. If you are setting up a server behind a reverse proxy, enter the config manually in the config file. cannot start" . to_string ( ) return Err ( NgdError ::OtherConfigError ( format! (
} else { "We could not find a public IP interface named {} on your host. use --list-interfaces to find the available interfaces on your host." ,
format! (
"We could not find a public IP interface named {} on your host. use --list-interfaces to find the available interfaces on your host. cannot start" ,
if_name if_name
) ) ) ) ;
} }
) ;
return Err ( ( ) ) ;
} }
Some ( public ) = > { Some ( public ) = > {
overlays_config . core = BrokerOverlayPermission ::AllRegisteredUser ; overlays_config . core = BrokerOverlayPermission ::AllRegisteredUser ;
@ -644,19 +659,14 @@ async fn main_inner() -> Result<(), ()> {
let if_name = & private_part . 0 ; let if_name = & private_part . 0 ;
match find_first_or_name ( & interfaces , InterfaceType ::Private , & if_name ) { match find_first_or_name ( & interfaces , InterfaceType ::Private , & if_name ) {
None = > { None = > {
log_err ! ( if if_name = = "default" {
"{}" , return Err ( NgdError ::OtherConfigErrorStr ( "We could not find a private IP interface on your host for --public option." ) ) ;
if if_name = = "default" { } else {
"We could not find a private IP interface on your host for --public option. cannot start" return Err ( NgdError ::OtherConfigError ( format! (
. to_string ( ) "We could not find a private IP interface named {} on your host. use --list-interfaces to find the available interfaces on your host." ,
} else {
format! (
"We could not find a private IP interface named {} on your host. use --list-interfaces to find the available interfaces on your host. cannot start" ,
if_name if_name
) ) ) ) ;
} }
) ;
return Err ( ( ) ) ;
} }
Some ( inter ) = > { Some ( inter ) = > {
private_interface = inter ; private_interface = inter ;
@ -666,15 +676,15 @@ async fn main_inner() -> Result<(), ()> {
if ! is_public_ipv4 ( & public_part . 1 . 0 ) if ! is_public_ipv4 ( & public_part . 1 . 0 )
| | public_part . 0. is_some ( ) & & ! is_public_ipv6 ( public_part . 0. as_ref ( ) . unwrap ( ) ) | | public_part . 0. is_some ( ) & & ! is_public_ipv6 ( public_part . 0. as_ref ( ) . unwrap ( ) )
{ {
log_err ! ( "The provided IPs are not public. cannot start" ) ; return Err ( NgdError ::OtherConfigErrorStr (
return Err ( ( ) ) ; "The provided IPs are not public." ,
) ) ;
} }
if args . no_ipv6 & & public_part . 0. is_some ( ) { if args . no_ipv6 & & public_part . 0. is_some ( ) {
log_err ! ( return Err ( NgdError ::OtherConfigErrorStr (
"The public IP is IPv6 but you selected the --no-ipv6 option. cannot start" "The public IP is IPv6 but you selected the --no-ipv6 option." ,
) ; ) ) ;
return Err ( ( ) ) ;
} }
overlays_config . core = BrokerOverlayPermission ::AllRegisteredUser ; overlays_config . core = BrokerOverlayPermission ::AllRegisteredUser ;
@ -738,19 +748,14 @@ async fn main_inner() -> Result<(), ()> {
match find_first_or_name ( & interfaces , InterfaceType ::Private , if_name ) { match find_first_or_name ( & interfaces , InterfaceType ::Private , if_name ) {
None = > { None = > {
log_err ! ( if if_name = = "default" {
"{}" , return Err ( NgdError ::OtherConfigErrorStr ( "We could not find a private IP interface on your host for --dynamic option." ) ) ;
if if_name = = "default" { } else {
"We could not find a private IP interface on your host for --dynamic option. cannot start" return Err ( NgdError ::OtherConfigError ( format! (
. to_string ( ) "We could not find a private IP interface named {} on your host. use --list-interfaces to find the available interfaces on your host." ,
} else {
format! (
"We could not find a private IP interface named {} on your host. use --list-interfaces to find the available interfaces on your host. cannot start" ,
if_name if_name
) ) ) ) ;
} }
) ;
return Err ( ( ) ) ;
} }
Some ( inter ) = > { Some ( inter ) = > {
overlays_config . core = BrokerOverlayPermission ::AllRegisteredUser ; overlays_config . core = BrokerOverlayPermission ::AllRegisteredUser ;
@ -764,8 +769,7 @@ async fn main_inner() -> Result<(), ()> {
{ {
let r = listeners . last_mut ( ) . unwrap ( ) ; let r = listeners . last_mut ( ) . unwrap ( ) ;
if r . accept_forward_for ! = AcceptForwardForV0 ::No { if r . accept_forward_for ! = AcceptForwardForV0 ::No {
log_err ! ( "The same private interface is already forwarding with a different setting, probably because of a --public option conflicting with a --dynamic option. Changing the port on one of the interfaces can help. cannot start" ) ; return Err ( NgdError ::OtherConfigErrorStr ( "The same private interface is already forwarding with a different setting, probably because of a --public option conflicting with a --dynamic option. Changing the port on one of the interfaces can help." ) ) ;
return Err ( ( ) ) ;
} }
panic! ( "this should never happen. --dynamic created after a --private" ) ; panic! ( "this should never happen. --dynamic created after a --private" ) ;
//r.ipv6 = !args.no_ipv6;
//r.ipv6 = !args.no_ipv6;
@ -804,25 +808,20 @@ async fn main_inner() -> Result<(), ()> {
let if_name = & arg_value . 0 ; let if_name = & arg_value . 0 ;
match find_first_or_name ( & interfaces , InterfaceType ::Private , & if_name ) { match find_first_or_name ( & interfaces , InterfaceType ::Private , & if_name ) {
None = > { None = > {
log_err ! ( if if_name = = "default" {
"{}" , return Err ( NgdError ::OtherConfigErrorStr ( "We could not find a private IP interface on your host for --domain-private option." ) ) ;
if if_name = = "default" { } else {
"We could not find a private IP interface on your host for --domain-private option. cannot start" return Err ( NgdError ::OtherConfigError ( format! (
. to_string ( ) "We could not find a private IP interface named {} on your host. use --list-interfaces to find the available interfaces on your host." ,
} else {
format! (
"We could not find a private IP interface named {} on your host. use --list-interfaces to find the available interfaces on your host. cannot start" ,
if_name if_name
) ) ) ) ;
} }
) ;
return Err ( ( ) ) ;
} }
Some ( inter ) = > { Some ( inter ) = > {
overlays_config . server = BrokerOverlayPermission ::AllRegisteredUser ; overlays_config . server = BrokerOverlayPermission ::AllRegisteredUser ;
let res = prepare_accept_forward_for_domain ( domain , & mut args ) . map_err ( | _ | { let res = prepare_accept_forward_for_domain ( domain , & mut args ) . map_err ( | _ | {
log_err ! ( "The --domain-peer option has an invalid key. it must be a base64_url encoded serialization of a PrivKey. cannot start " ) } ) ? ; NgdError ::OtherConfigErrorStr ( "The --domain-peer option has an invalid key. it must be a base64_url encoded serialization of a PrivKey." ) } ) ? ;
if listeners . last ( ) . is_some ( ) if listeners . last ( ) . is_some ( )
& & listeners . last ( ) . unwrap ( ) . interface_name = = inter . name & & listeners . last ( ) . unwrap ( ) . interface_name = = inter . name
@ -830,8 +829,7 @@ async fn main_inner() -> Result<(), ()> {
{ {
let r = listeners . last_mut ( ) . unwrap ( ) ; let r = listeners . last_mut ( ) . unwrap ( ) ;
if r . accept_forward_for ! = AcceptForwardForV0 ::No { if r . accept_forward_for ! = AcceptForwardForV0 ::No {
log_err ! ( "The same private interface is already forwarding with a different setting, probably because of a --public or --dynamic option conflicting with the --domain-private option. Changing the port on one of the interfaces can help. cannot start" ) ; return Err ( NgdError ::OtherConfigErrorStr ( "The same private interface is already forwarding with a different setting, probably because of a --public or --dynamic option conflicting with the --domain-private option. Changing the port on one of the interfaces can help." ) ) ;
return Err ( ( ) ) ;
} }
panic! ( panic! (
"this should never happen. --domain-private created after a --private" "this should never happen. --domain-private created after a --private"
@ -862,19 +860,17 @@ async fn main_inner() -> Result<(), ()> {
let if_name = & arg_value . 0 ; let if_name = & arg_value . 0 ;
match find_first_or_name ( & interfaces , InterfaceType ::Private , & if_name ) { match find_first_or_name ( & interfaces , InterfaceType ::Private , & if_name ) {
None = > { None = > {
log_err ! ( if if_name = = "default" {
"{}" , return Err ( NgdError ::OtherConfigErrorStr (
if if_name = = "default" { "We could not find a private IP interface on your host." ,
"We could not find a private IP interface on your host. cannot start" ) ) ;
. to_string ( ) } else {
} else { return Err ( NgdError ::OtherConfigError (
format! ( format! (
"We could not find a private IP interface named {} on your host. use --list-interfaces to find the available interfaces on your host. cannot start " , "We could not find a private IP interface named {} on your host. use --list-interfaces to find the available interfaces on your host." ,
if_name if_name
) ) ) ) ;
} }
) ;
return Err ( ( ) ) ;
} }
Some ( inter ) = > { Some ( inter ) = > {
overlays_config . server = BrokerOverlayPermission ::AllRegisteredUser ; overlays_config . server = BrokerOverlayPermission ::AllRegisteredUser ;
@ -884,10 +880,9 @@ async fn main_inner() -> Result<(), ()> {
& & listeners . last ( ) . unwrap ( ) . port = = arg_value . 1 & & listeners . last ( ) . unwrap ( ) . port = = arg_value . 1
{ {
if args . domain_peer . is_some ( ) { if args . domain_peer . is_some ( ) {
log_err ! ( return Err ( NgdError ::OtherConfigErrorStr (
"--private is not allowed if --domain-peer is selected, and they both use the same port. change the port of one of them. cannot start" "--private is not allowed if --domain-peer is selected, and they both use the same port. change the port of one of them." )
) ; ) ;
return Err ( ( ) ) ;
} }
let r = listeners . last_mut ( ) . unwrap ( ) ; let r = listeners . last_mut ( ) . unwrap ( ) ;
r . accept_direct = true ; r . accept_direct = true ;
@ -908,13 +903,15 @@ async fn main_inner() -> Result<(), ()> {
let parts : Vec < & str > = forward_string . split ( '@' ) . collect ( ) ; let parts : Vec < & str > = forward_string . split ( '@' ) . collect ( ) ;
if parts . len ( ) ! = 2 { if parts . len ( ) ! = 2 {
log_err ! ( return Err ( NgdError ::OtherConfigErrorStr (
"The option --forward is invalid. It must contain two parts separated by a @ character. cannot start" "The option --forward is invalid. It must contain two parts separated by a @ character."
) ; ) ) ;
return Err ( ( ) ) ;
} }
let pub_key_array = decode_key ( parts [ 1 ] ) let pub_key_array = decode_key ( parts [ 1 ] ) . map_err ( | _ | {
. map_err ( | _ | log_err ! ( "The PEER_ID provided in the --forward option is invalid" ) ) ? ; NgdError ::OtherConfigErrorStr (
"The PEER_ID provided in the --forward option is invalid" ,
)
} ) ? ;
let peer_id = PubKey ::Ed25519PubKey ( pub_key_array ) ; let peer_id = PubKey ::Ed25519PubKey ( pub_key_array ) ;
let server_type = if parts [ 0 ] . len ( ) > 0 { let server_type = if parts [ 0 ] . len ( ) > 0 {
@ -932,8 +929,9 @@ async fn main_inner() -> Result<(), ()> {
} else if is_public_ip ( & bind . 0 ) { } else if is_public_ip ( & bind . 0 ) {
BrokerServerTypeV0 ::Public ( vec! [ bind_addr ] ) BrokerServerTypeV0 ::Public ( vec! [ bind_addr ] )
} else { } else {
log_err ! ( "Invalid IP address given for --forward option. cannot start" ) ; return Err ( NgdError ::OtherConfigErrorStr (
return Err ( ( ) ) ; "Invalid IP address given for --forward option." ,
) ) ;
} }
} else { } else {
// a domain name
// a domain name
@ -994,10 +992,10 @@ async fn main_inner() -> Result<(), ()> {
// saves the config to file
// saves the config to file
let json_string = to_string_pretty ( config . as_ref ( ) . unwrap ( ) ) . unwrap ( ) ; let json_string = to_string_pretty ( config . as_ref ( ) . unwrap ( ) ) . unwrap ( ) ;
write ( config_path . clone ( ) , json_string ) . map_err ( | e | { write ( config_path . clone ( ) , json_string ) . map_err ( | e | {
log_err ! ( NgdError ::CannotSaveConfig ( format !(
"cannot save config to file. {}. cannot start " , "cannot save config to file. {}." ,
e . to_string ( ) e . to_string ( )
) ) )
} ) ? ; } ) ? ;
log_info ! ( log_info ! (
"The config file has been saved to {}" , "The config file has been saved to {}" ,
@ -1009,10 +1007,9 @@ async fn main_inner() -> Result<(), ()> {
} }
} else { } else {
if config . is_none ( ) { if config . is_none ( ) {
log_err ! ( return Err ( NgdError ::OtherConfigErrorStr (
"No Quick config option passed, neither is a config file present. We cannot start the server. Choose at least one Quick config option. see --help for details" "No Quick config option passed, neither is a config file present. Choose at least one Quick config option. see --help for details"
) ; ) ) ;
return Err ( ( ) ) ;
} }
if args . print_config { if args . print_config {
let json_string = to_string_pretty ( config . as_ref ( ) . unwrap ( ) ) . unwrap ( ) ; let json_string = to_string_pretty ( config . as_ref ( ) . unwrap ( ) ) . unwrap ( ) ;
