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relay: add command "handshake" in weechat relay protocol and nonce to prevent replay attacks (closes #1474)

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This introduces a new command called "handshake" in the weechat relay protocol.
It should be sent by the client before the "init" command, to negotiate the way
to authenticate with a password.

3 new options are added:

* relay.network.auth_password
* relay.network.hash_iterations
* relay.network.nonce_size
This commit is contained in:
Sébastien Helleu
2020-04-14 21:34:46 +02:00
parent ccd45e4921
commit 9fa3609c85
43 changed files with 2390 additions and 471 deletions
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doc/pl/autogen/user/relay_options.adoc
+18
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@@ -116,6 +116,12 @@
** wartości: dowolny ciąg
** domyślna wartość: `+""+`
* [[option_relay.network.auth_password]] *relay.network.auth_password*
** opis: pass:none[comma separated list of hash algorithms used for password authentication in weechat protocol, among these values: "plain" (password in plain text, not hashed), "sha256", "sha512", "pbkdf2+sha256", "pbkdf2+sha512"), "*" means all algorithms, a name beginning with "!" is a negative value to prevent an algorithm from being used, wildcard "*" is allowed in names (examples: "*", "pbkdf2*", "*,!plain")]
** typ: ciąg
** wartości: dowolny ciąg
** domyślna wartość: `+"*"+`
* [[option_relay.network.auth_timeout]] *relay.network.auth_timeout*
** opis: pass:none[timeout (in seconds) for client authentication: connection is closed if the client is still not authenticated after this delay and the client status is set to "authentication failed" (0 = wait forever)]
** typ: liczba
@@ -140,6 +146,12 @@
** wartości: 0 .. 9
** domyślna wartość: `+6+`
* [[option_relay.network.hash_iterations]] *relay.network.hash_iterations*
** opis: pass:none[number of iterations asked to the client in weechat protocol when a hashed password with algorithm PBKDF2 is used for authentication; more iterations is better in term of security but is slower to compute; this number should not be too high if your CPU is slow]
** typ: liczba
** wartości: 1 .. 1000000
** domyślna wartość: `+100000+`
* [[option_relay.network.ipv6]] *relay.network.ipv6*
** opis: pass:none[nasłuchuj domyślnie na gnieździe IPv6 (w dodatku do domyślnego IPv4); protokoły IPv4 i IPv6 mogą być wymuszane (pojedynczo lub razem) w nazwie protokołu (zobacz /help relay)]
** typ: bool
@@ -152,6 +164,12 @@
** wartości: 0 .. 2147483647
** domyślna wartość: `+5+`
* [[option_relay.network.nonce_size]] *relay.network.nonce_size*
** opis: pass:none[size of nonce (in bytes), generated when a client connects; the client must use this nonce, concatenated to the client nonce and the password when hashing the password in the "init" command of the weechat protocol]
** typ: liczba
** wartości: 8 .. 128
** domyślna wartość: `+16+`
* [[option_relay.network.password]] *relay.network.password*
** opis: pass:none[hasło wymagane od klientów do połączenia z tym pośrednikiem (pusta wartość oznacza brak hasła, zobacz opcję relay.network.allow_empty_password) (uwaga: zawartość jest przetwarzana, zobacz /help eval)]
** typ: ciąg