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162 Commits

Author SHA1 Message Date
Todd C. Miller
deb217adf9 On SIGHUP, deregister the old debug instance before registering a new one. 
Otherwise, if debugging is enabled we will get an extra log instance
each time sudo_logsrvd reeives SIGHUP which results in duplicate
lines in the debug log.
 2020-11-10 19:36:55 -07:00
Todd C. Miller
9779009fae Add info_msgs to AlertMessage and populate it. 
This lets us log eventlog info along with the alert if it is available.
 2020-11-09 17:15:11 -07:00
Todd C. Miller
f1ded289e1 Avoid early return in handle_accept() if expect_iobufs not set. 2020-11-04 05:15:07 -07:00
Todd C. Miller
de58c11dba Set server_name before initiating TLS connection so verify function works. 
Fixes a crash in the SSL_VERIFY_PEER callback.  Also call inet_ntop(3)
with addr pointer, not sockaddr pointer so we get the correct IP address.
 2020-11-02 09:30:45 -07:00
Todd C. Miller
e0c2635fb3 Apply Google inclusive language guidelines. 
Also replace backwards with backward.
 2020-10-30 10:15:30 -06:00
Todd C. Miller
d899fe5936 Use real setters for the eventlog config. 
This makes it possible to have a base config that the callers can
modify instead of replacing the config wholesale.
 2020-10-26 16:10:42 -06:00
Todd C. Miller
bd1ca79cca Add support for mailing eventlog entries and for logging raw messages. 
These will be used by the sudoers plugin.
 2020-10-26 16:10:37 -06:00
Todd C. Miller
4652698f8e struct eventlog contains submit_time, no need to pass it in directly. 2020-10-26 15:43:02 -06:00
Todd C. Miller
c0e91d7586 Add an errstr argument to eventlog_alert(). 2020-10-26 15:41:47 -06:00
Todd C. Miller
db72498257 Use struct eventlog in place of struct iolog_info. 2020-10-26 15:31:41 -06:00
Todd C. Miller
b9aff696fb No longer need eventlog-related getters in logsrvd.c 2020-10-26 15:29:44 -06:00
Todd C. Miller
8c43340474 Use libeventlog in sudo_logsrvd. 2020-10-26 15:26:02 -06:00
Todd C. Miller
707437f6cb Refactor eventlog code into a library 2020-10-26 15:24:35 -06:00
Todd C. Miller
79921387a3 regen Makefiles 2020-10-20 19:23:46 -06:00
Todd C. Miller
e92d10011e Rename sa_len -> sa_size to avoid a conflict on UnixWare and others. 
On some systems, sa_len is a #define for 4.4BSD compatibility.
 2020-09-04 16:06:37 -06:00
Todd C. Miller
eaa95acb31 Post-process protoc-c files to avoid depending on anonymous unions. 
Based on a patch from Michael Osipov.
GitHub issue #60
 2020-09-04 13:17:51 -06:00
Todd C. Miller
fd06e588ee If the command was run in a chroot, add it to the log. 2020-09-02 16:57:55 -06:00
Todd C. Miller
226307591c Log the runcwd not submitcwd in the sudo-style log file. 
The log entry should reflect the working directory the command
actually ran in.
 2020-09-02 11:23:26 -06:00
Todd C. Miller
bd254e1042 Read/write runchroot and runcwd entries in the JSON event log. 2020-09-01 06:26:05 -06:00
Todd C. Miller
84e6e6ccf9 Update copyright year on some files where it was out of date. 2020-08-31 14:09:36 -06:00
Todd C. Miller
961a4afe67 Fix some warnings from pvs-studio 2020-08-12 13:45:09 -06:00
Todd C. Miller
cbad17a994 Move inclusion of compat headers up with the system headers. 
Now that sudo_dso_public is defined in config.h we don't need sudo_compat.h
before including the compat headers.
 2020-08-12 10:07:07 -06:00
Todd C. Miller
985af422d2 Rename __dso_public -> sudo_dso_public and move to config.h. 2020-08-12 09:57:42 -06:00
Todd C. Miller
076d0376db We no longer need to include sudo_gettext.h before sudo_compat.h 2020-08-12 09:50:35 -06:00
Todd C. Miller
63dadad9df Refactor freeing of InfoMessage list into free_info_messages(). 
Also fixes a false positive from the clang analyzer.
 2020-08-07 14:22:28 -06:00
Todd C. Miller
03ad96e445 Use the fallthrough attribute instead of /* FALLTHROUGH */ comments. 2020-08-01 13:10:50 -06:00
Todd C. Miller
8da1f31954 Fix memory leak on error in fmt_info_messages(). 2020-06-06 14:08:34 -06:00
Todd C. Miller
84f0ae0cb8 Use PACKAGE_VERSION instead of 0.1 as the client and server version. 2020-05-18 11:33:13 -06:00
Todd C. Miller
1c3946e9b1 Don't print errno for the "TLS not supported" message. 2020-05-15 09:10:22 -06:00
Todd C. Miller
f71b569419 Add iolog_path to the JSON-format event log 2020-05-13 11:13:29 -06:00
Todd C. Miller
d2686dde0c Rename FLUSHED state to FINISHED 
This makes more sense when receiving event-only logs.
 2020-05-13 09:30:05 -06:00
Todd C. Miller
0337f5b735 Fix handling of connections without associated I/O logs. 
This fixes reject events as well as accept events without the
expect_iobufs flag set.
 2020-05-13 07:40:47 -06:00
Todd C. Miller
27355e6aae Fix handling of accept and reject messages without an I/O log. 
Only set expect_iobufs in AcceptMessage if sending I/O logs.
Set state to FINISHED immediately after sending a RejectMessage.
 2020-05-12 19:19:16 -06:00
Todd C. Miller
d5888e2745 Add -A and -R options to test logging of accept and reject events. 
If -A is specified, no I/O will be sent, only the accept event.
For -R, a reject event with the specified reason is sent.
 2020-05-12 14:45:46 -06:00
Todd C. Miller
83d1bee918 Rename sudo_parse_host_port -> iolog_parse_host_port and mv to lib/iolog 
It is not used outside of the I/O log client and server and the
host:port syntax may change in the future.
 2020-05-11 08:47:54 -06:00
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
e9be26c4b1 regen 2020-05-07 12:22:00 -06:00
Todd C. Miller
0cf2e09e0c Apply spelling fixes. 
Fixes from PR #30 (ka7) and Bug #925 (fossies.org codespell)
 2020-05-06 09:27:43 -06:00
Todd C. Miller
6901fc97ac Add a ClientHello message that client sends to the server. 
This makes it easier to detect a plaintext client sending to a
TLS port.  Without this, the TLS server will be silent as it
waits for the client to initiate the TLS connection.
 2020-05-05 13:23:26 -06:00
Todd C. Miller
1e765e1caf Better error messages when there is a problem with the TLS connection. 
If SSL_read, SSL_write or SSL_connect fails we can use the reason
string to let the user know what the problem is.
 2020-05-05 13:23:26 -06:00
Todd C. Miller
1f8da42f9a Warn about tls errors during startup so the user has a clue. 
We write messages to stderr until we become a daemon.
 2020-05-05 13:23:26 -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
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
b5a317aeb9 Add support for a tls flag in sudo_parse_host_port(). 
If the string "(tls)" appears at the end, the tls flag is set to true
and the default tls port is used if necessary.
 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
7d621fc6f1 Plug memory leaks in sudo_sendlog 2020-05-04 11:25:47 -06:00
Todd C. Miller
aba4915b83 On error, remove the connection with an error without freeing the closure. 
Fixes the final message at the end when there is a network error.
 2020-04-30 15:54:35 -06:00
Todd C. Miller
2ab8f2a732 Check for tls_config->dhparams_path being non-NULL before using it. 2020-04-28 10:52:08 -06:00
Todd C. Miller
5dec0f763f Allow -t option even without OpenSSL 
Also add -t to the usage message
 2020-04-23 14:16:02 -06:00
Todd C. Miller
0fafcf6aea Use sudo_strtonum() instead of relying on strtoll(). 
Older, pre-C99, systems may not include strtoll() in their C library.
 2020-04-23 11:15:03 -06:00