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26 Commits

Author SHA1 Message Date
Todd C. Miller
14ffa00c06 The tls_verify setting only affects server behavior, not the client. 
Originally, there was a flag in the ServerHello message to indicate
that the client should verify the server cert, but this was removed
TLS was moved to a separate port.  Client validation of the server
certificate is now configured in the sudoers file instead.
 2021-08-03 09:50:07 -06:00
Todd C. Miller
0dd2b6442a Add log_exit setting in the sudo_logsrvd.conf eventlog stanza 
This causes sudo_logsrvd to log a record with the exit status or
terminating signal in response to an ExitMessage.
 2021-07-09 11:08:44 -06:00
Todd C. Miller
2c1988410e Add support for logging server warning/error messages. 
We can use sudo_warn_set_conversation() to set a conversation
function that either writes to a log file or calls syslog().
 2021-06-13 18:27:36 -06:00
Todd C. Miller
fda17ecfda Rename logsrvd log dir to /var/log/sudo_logsrvd. 2021-05-02 08:28:19 -06:00
Todd C. Miller
f49930c62e Make the failed relay retry interval configurable. 
This is the amount of time to wait before trying to resend a
journal to the relay server after a connection error.
 2021-05-02 06:19:32 -06:00
Todd C. Miller
d6d2e3488b Fix typo. 2021-04-24 13:23:25 -06:00
Todd C. Miller
6f5b353e87 Add configuration for sudo_logsrvd store-and-forward mode. 
Adds "relay_dir" and "store_first" settings to sudo_logsrvd.conf
in the [relay] section.  Also adds a --with-relaydir configure
argument to change the default value (usually /var/log/logsrvd-relay.
 2021-04-23 16:54:15 -06:00
Todd C. Miller
ae77355eda Document relay configuration changes. 2021-04-09 12:58:57 -06:00
Todd C. Miller
3aec794b75 Document relay and connect_timeout server settings. 2021-04-06 16:30:41 -06:00
Todd C. Miller
0f6d581abd If pid_file is set to an empty value, disable the use of a pid file. 2020-11-24 09:43:00 -07:00
Todd C. Miller
d0042eda9e Don't overwrite sudo_logsrvd.pid if it is a symbolic link. 2020-11-24 09:00:25 -07:00
Todd C. Miller
fc79cbc317 Only enable TLS listener by default if we have a cert for it. 
We want the log server to work with the default configuration.  If
the default certificate path exists, it will be used with the default
listener.  If the user explicitly enabled a TLS listener we always
attempt to use it.  If TLS was specified but no cert file was set,
the default location will be used (and an error will occur if the
cert cannot be loaded).
 2020-05-08 16:07:55 -06:00
Todd C. Miller
e5f8214c0a Remove the tls parameter from the ServerHello message. 
The TLS connection is now initiated before ServerHello is received.
 2020-05-05 13:23:26 -06:00
Todd C. Miller
8186b98208 Adapt sudoers iolog client to log server dual port changes. 
The TLS handshake now occurs before the ServerHello message is read.
This fixes potential man-in-the-middle attacks and works better with
TLS 1.3.
 2020-05-05 13:23:26 -06:00
Todd C. Miller
1659d96c55 Use port 30343 for plaintext and port 30344 for TLS. 
For TLS connections we now do the TLS handshake immediately before
the ServerHello message.  This lets the client recieve an alert
from the server is there is a handshake error after the TLS connect
has succeeded.  It also means that the contents of the ServerHello
are protected from a man-in-the-middle attack.
 2020-05-05 13:23:26 -06:00
Todd C. Miller
42df431ce2 Make the default certificate and key paths match the example file. 2020-05-04 11:33:04 -06:00
Todd C. Miller
f908ddd1bf Create a pidfile for sudo_logsrvd when not run with the -n flag. 2020-03-29 05:05:08 -06:00
Todd C. Miller
982c003b8d Add support for JSON structured logging using syslog. 
Note that depending on the system, the default syslog buffer
may not be large enough to store all the logging data.
 2020-02-17 16:25:18 -07:00
Todd C. Miller
5781a6a4cf Add support for JSON logging in sudo_logsrvd. 2020-02-17 16:10:56 -07:00
Todd C. Miller
cec6b1708a Regenerate .man.in files from .mdoc.in 2020-02-02 16:13:05 -07:00
Todd C. Miller
f4716a75e4 Document new tls_verify setting. 2020-01-23 11:42:08 -07:00
Todd C. Miller
07a2965bab Document TCP keepalive options in the manual pages. 2020-01-22 11:07:01 -07:00
Todd C. Miller
b31b830518 Document the process of creating self-signed certificates for sudo_logsrvd. 
Based on a document from Laszlo Orban.
 2019-11-19 14:29:40 -07:00
Todd C. Miller
4bb2b2f605 regen 2019-11-16 19:14:40 -07:00
Todd C. Miller
1df3230c2a Document the sudo log server protocol 2019-10-24 20:04:33 -06:00
Todd C. Miller
b57054785f Add manual pages for logsrvd and sendlog. 2019-10-24 20:04:32 -06:00