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Diffstat (limited to '')
| -rw-r--r-- | README | 18 |
1 files changed, 11 insertions, 7 deletions
@@ -120,13 +120,17 @@ Secret messages: However, due to network support, these routing keys may need to be prefixed with the credentials for the servers the message - goes through. This prefix can be retrieved by simply sending an - empty control message (CMSG) with the routing key '!/cred/prefix' - and the server will reply with a control message containing prefix - using this routing key. Note, prefix is probably the empty string, - as the master server do not need to add its credentials to be - prefixed. Note, the server will never send control messages, so - received control message are guaranteed to come from the server. + goes through, or use the credentials of the a program running + on a different master machine. Therefore, a client cannot + simply just use its GID, UID, and PID, but must ask what's its + credentials are by sending an empty control message (CMSG) with + the routing key '!/cred/whoami'. The server will reply with a + control message with the same routing key and the message will + be the credentials, for example '!/cred/100/1000/1111' or + '!/cred/100/1000/1111/!/cred/1000/1000/19211'. Note, the server + will never send control messages it receives from other clients, + so the received control message is guaranteed to come from the + server. Example of how two client can prove their identities to each oter: |