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788708c9ff925a79ffdd56612f86d3dfc36d7232
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222 Commits

Author SHA1 Message Date
Todd C. Miller
788708c9ff Add intercept_authenticate sudoers option, defaults to false. 
By default, sudoers will not require authentication of commands run
via an intercepted session.  To require authenticaton of subsequent
commands, enable intercept_authenticate in sudoers.
 2021-08-09 15:50:26 -06:00
Todd C. Miller
132936f8f0 Make it possible to call the sudoers policy check function multiple times. 
We need to reset the Defaults values to their original state.
 2021-08-09 15:50:25 -06:00
Todd C. Miller
fa7250ead7 Create a UUID and log it in the JSON version of the event log. 2021-07-15 11:07:25 -06:00
Todd C. Miller
2db9e64214 Move reference-counted string code from sudoers to libsudo_util. 
It will be used by sudo_logsrvd too.
 2021-04-06 14:44:19 -06:00
Todd C. Miller
e7b414ce4e Move env hooks into sudoers_hooks.c. 2021-02-24 19:09:46 -07:00
Todd C. Miller
7463a1989f Add sudo_mkgrent(), to be used to prime the group cache in tests/fuzzers. 2021-02-22 08:00:46 -07:00
Todd C. Miller
52e3fcc795 Free struct sudo_user in sudoers_policy_close() and sudoers_cleanup(). 
Also, do not NULL out the close function if NO_LEAKS is defined.
 2021-02-15 08:29:47 -07:00
Todd C. Miller
7f3c670a13 Fix sudoers garbage collection and run it in policy fuzzer. 2021-02-14 14:01:31 -07:00
Todd C. Miller
3237a18ee3 Use sudoersrestart() in fuzz_sudoers.c 
Since we run the parser multiple times we need to restart it each time.
 2021-02-03 12:52:15 -07:00
Todd C. Miller
a74e8502c0 Garbage collect unused gc_remove() function. 2021-02-01 15:08:08 -07:00
Todd C. Miller
c9eff93854 strvec_join: free result on error and actually use separator char 2021-01-28 05:57:23 -07:00
Todd C. Miller
29acc64192 Refactor code to flatten an argument vector into a string. 
This is used when building up the user_args string.
 2021-01-27 21:27:14 -07:00
Todd C. Miller
2804c2c78e Add strlcpy_unescape() function to undo escaping from front-end. 
Includes unit test.
 2021-01-27 15:41:54 -07:00
Todd C. Miller
63739dd326 Store the user-provided runas user and group name in struct sudo_user. 
This makes it available for event logging in case the name doesn't resolve.
 2020-12-05 09:05:42 -07:00
Todd C. Miller
008a0e8dc1 Store iolog_path in struct sudo_user for use in the event log. 2020-12-05 08:31:46 -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
4416bd5977 Use libeventlog in sudoers instead of doing our own logging. 2020-10-26 16:10:40 -06:00
Todd C. Miller
a5a5cc7f85 sudoers_policy_store() -> sudoers_policy_store_result() 2020-10-16 05:56:03 -06:00
Todd C. Miller
bf9d208662 Rename sudoers_policy_exec_setup() -> sudoers_policy_store(). 
It is called even when there is no command to execute.
Also pass in status of whether or not the command was accepted.
 2020-10-14 06:33:35 -06:00
Todd C. Miller
7d20900616 Use sudoerschar (yychar) instead of last_token. 
The parser already provides a way to examing the last token processed,
we don't need to add our own.
 2020-09-26 06:39:57 -06:00
Todd C. Miller
b6dbfe5094 Take the chroot into account when search for the command. 
This could a a user-specific chroot via the -R option, a runchroot
Defaults value, or a per-command CHROOT spec in the sudoers rule.
 2020-09-09 15:26:44 -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
1676f0ceeb Support "*" for CWD/CHROOT to allow user to specify cwd or chroot. 
Adds two new command line options, -D (--chdir) and -R (--chroot)
that can only be used when sudoers sets runcwd or runchroot to "*".
 2020-09-01 14:10:02 -06:00
Todd C. Miller
6bdfd010d2 Add CHROOT and CWD sudoers options. 
Also matching runchroot and runcwd Defaults settings.
 2020-09-01 06:26:00 -06:00
Todd C. Miller
609910cc21 sudoers error recovery can be configured via an "error_recovery" setting. 
This setting is an argument to the sudoers plugin, similar to how
sudoers_file, sudoers_mode, sudoers_uid, etc. are implemented.
The default value is true.
 2020-08-17 13:14:30 -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
b519481912 Defer logging of the successful command until approval plugins have run. 
This adds audit plugin support to the sudoers module, currently
only used for accept events.  As a result, the sudoers file is now
initially parsed as an audit plugin.
 2020-06-02 09:07:46 -06:00
Todd C. Miller
d85d370c63 Add dependent system includes to make sudo_*.h more standalone. 
In the past we've relied on the various .c files to include the
system headers that define types that the sudo_*.h headers require.
This is fragile and can cause issues when includes get re-ordered.
 2020-05-18 04:47:21 -06:00
Todd C. Miller
ec3fdd3aa8 Add a force flag to sudo_auth_cleanup() to force immediate cleanup. 
This is used for PAM authentication to make sure pam_end() is called
via sudo_auth_cleanup() when the user authenticates successfully but
sudoers denies the command.  Debian bug #669687
 2020-04-01 14:41:38 -06:00
Todd C. Miller
45e589d443 Pass back a failure or error string to the front end. 
The audit_failure() function now stores the failure string.
This will allow an audit plugin to log the reason if the user's
request is a rejected.
 2020-01-30 13:25:36 -07:00
Todd C. Miller
b14d633ec6 Add runas_check_shell flag to require a runas user to have a valid shell. 
Not enabled by default.
 2019-12-09 19:29:45 -07:00
Todd C. Miller
635445d471 Transparently handle the "sudo sudoedit" problem. 
Some admin are confused about how to give users sudoedit permission
and many users try to run sudoedit via sudo instead of directly.
If the user runs "sudo sudoedit" sudo will now treat it as plain
"sudoedit" after issuing a warning.  If the admin has specified a
fully-qualified path for sudoedit in sudoers, sudo will treat it
as just "sudoedit" and match accordingly.  In visudo (but not sudo),
a fully-qualified path for sudoedit is now treated as an error.
 2019-11-05 15:18:34 -07:00
Todd C. Miller
059b55ce72 Refactor code in sudoers that creates I/O log files to share with logsrvd. 2019-10-24 20:04:31 -06:00
Todd C. Miller
e0c9a9dfa3 Move mkdir_parents to libsudo_util. 2019-10-24 20:04:31 -06:00
Todd C. Miller
b02851dcf3 Change how the umask is handled with PAM and login.conf. 
If the umask is explicitly set in sudoers, use that value regardless
of what is in PAM or login.conf.  If using the default umask from
sudoers, allow PAM or login.conf to override it.  Bug #900
 2019-10-18 06:20:27 -06:00
Todd C. Miller
1e1ef61902 Add SPDX-License-Identifier to files. 2019-04-29 07:21:51 -06:00
Todd C. Miller
e1205f08d6 Add simple API for to allow reading environment data from different sources. 
Currently, this is used to read a file like /etc/environment.
 2019-02-20 17:05:02 -07:00
Todd C. Miller
928faf27f2 Add fallback values for sudoers uid, gid and mode if not set in Makefile. 2019-02-05 10:02:17 -07:00
Todd C. Miller
04d1f56d90 Use struct timespec, not struct timeval in the event subsystem. 
Use ppoll() or pselect() if avaialble which use timespec.
 2018-08-25 21:02:05 -06:00
Todd C. Miller
1e5af35564 Refactor code to convert defaults to tags and do conversion on 
output for "sudo -l".

Remove the short_list (was long_list) global in favor of a verbose
argument.
 2018-08-05 07:17:34 -06:00
Todd C. Miller
608574a219 For ldap/sssd, include defaults in the generate privilege unless 
we are listing in short mode (in which case we convert them to tags
if possible).  Fixes a problem where sudoOptions were not being
applied to the command.
 2018-08-02 14:45:00 -06:00
Todd C. Miller
394524fd5d Ignore PAM_NEW_AUTHTOK_REQD and PAM_AUTHTOK_EXPIRED errors from 
pam_acct_mgmt() if authentication is disabled for the user.
Bug #843
 2018-07-26 12:31:29 -06:00
Todd C. Miller
f9be3a48a2 Simplify the nss interface such that each sudoers provider fills 
in a per-nss list of userspecs and defaults instead of using separate
lookup and list functions.  This makes it possible to have a single
implementation of the code for sudoers lookup and listing.
 2018-05-14 09:05:03 -06:00
Todd C. Miller
71e98d9493 Include parse.h in sudoers.h since it will soon be required. 2018-05-14 09:05:02 -06:00
Todd C. Miller
14ee65c525 Add -M option to cvtsudoers to force the use of the local passwd 
and group databases when matching.
 2018-03-22 13:24:41 -06:00
Todd C. Miller
594c2d4efd Add an approval function to the sudo auth API which is run after 
the user's password has been verified.  The approval function is
run even if no password is required.  This is currently only used
for PAM (use pam_acct_mgmt) and BSD auth (auth_approval).
 2018-01-16 10:27:58 -07:00
Todd C. Miller
23ac62cfb5 Also honor SUDO_EDITOR in visudo. Previously is was only used 
by sudoedit.
 2017-12-22 10:22:33 -07:00
Todd C. Miller
48fba3c2cc update my email to Todd.Miller@sudo.ws 2017-12-03 17:53:40 -07:00
Todd C. Miller
250209d7a8 When running a command as the invoking user we cannot use the gid 
list from the front-end since it may not correspond to the user's
aux group vector as defined by the group database.
 2017-11-28 09:48:43 -07:00