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160 Commits

Author SHA1 Message Date
Todd C. Miller
3940020c94 sudo_secure_open_{file,dir}: always check thatreturn value is not -1. 
Avoids false positives from static analyzers that can't figure out
that the fd is always valid when error is SUDO_PATH_SECURE.
 2022-10-04 09:33:44 -06:00
Todd C. Miller
88ac5e09b6 Use sudo_secure_open_file() instead of sudo_secure_file() where possible. 
Both sudo_secure_open_file() and sudo_secure_open_dir() are now passed
a struct stat pointer like sudo_secure_file() and sudo_secure_dir().
 2022-09-21 19:08:10 -06:00
Todd C. Miller
304726a215 Move gcc-style __attribute__ macros to config.h.in 
Renamed __malloc -> sudo_malloclike, __printflike -> sudo_printflike,
__printf0like -> sudo_printf0like.
Add sudo_noreturn instead of __attribute__((__noreturn__)).
We do not use stdnoreturn.h since it has been deprecated in C23
in favor of the [[noreturn]] attribute.
 2022-09-07 07:48:31 -06:00
Todd C. Miller
13672f28df Make sudo pass -Wwrite-strings 2022-06-28 16:33:15 -06:00
Todd C. Miller
65e5b89f1d Pass file, line and column to sudoers defaults callbacks. 2022-03-10 13:35:58 -07:00
Todd C. Miller
6ec279532e Add a source to struct sudo_nss and use it if getdefs() fails. 
Also remove useless "Problem with defaults entries" warning in testsudoers.
 2022-03-09 12:38:25 -07:00
Todd C. Miller
4e3a48f2d1 testsudoers: disable argument permutation in GNU getopt 
This makes it easier to test commands with arguments.
 2022-02-10 10:36:03 -07:00
Todd C. Miller
86f123cd9d Pass the operator to the Defaults callback too. 
That way we can tell what to do in callbacks for lists.
 2022-01-28 08:52:41 -07:00
Todd C. Miller
bb5843055e Replace messages like "unknown foo: %s" with "unknown foo %s". 
The colon really doesn't belong there; we generally use a colon to
separate a message from the warning detail.
 2021-08-19 09:44:11 -06:00
Todd C. Miller
3e5cf7baa3 Do not redefine system group and passwd functions for testsudoers. 
Instead, prefix the replacements with "testsudoers_" and use a
custom pwutil backend so they get used.
 2021-03-18 11:39:54 -06:00
Todd C. Miller
322e0b3693 Return NOT_FOUND from the set_cmnd_path() stub since we don't set user_cmnd. 
The purpose of set_cmnd_path() is to reset user_cmnd based on a new
runchroot.  For the stub version we don't modify user_cmnd and so
must not return a status of FOUND.
Fixes oss-fuzz issue #31250 which only affected the fuzzer and not sudo.
 2021-02-22 19:53:08 -07:00
Todd C. Miller
0663ffbc3f Use sudo_basename() instead of doing the equivalent manually. 2021-02-10 15:14:08 -07:00
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
4416bd5977 Use libeventlog in sudoers instead of doing our own logging. 2020-10-26 16:10:40 -06:00
Todd C. Miller
88dcdcd11d Fix -Wshadow warnings. 2020-09-25 15:09:45 -06:00
Todd C. Miller
10d3d69aa1 Pass a struct to the match functions to track the resolved command. 
This makes it possible to update user_cmnd and cmnd_status modified
by per-rule CHROOT settings.
 2020-09-09 15:26:45 -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
961a4afe67 Fix some warnings from pvs-studio 2020-08-12 13:45:09 -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
3235e4353c Display more specific parser error messages when possible. 2020-08-07 14:20:45 -06:00
Todd C. Miller
741c6f274e Add support for @include and @includedir 
These are less confusing than #include and #includedir when the
hash character is also the comment character.

This commit also adds real parsing of include directives as opposed
to the pure lexer approach used previously.  As a result, it is now
possible to include files with spaces by either using a double-quoted
string or escaping the space characters with a backslash.
 2020-05-20 13:10:53 -06:00
Todd C. Miller
446ae3f507 Include string.h unconditionally and only use strings.h for strn?casecmp() 
In the pre-POSIX days BSD had strings.h, not string.h.
Now strings.h is only used for non-ANSI string functions.
 2020-05-18 07:59:24 -06:00
Todd C. Miller
dd88460800 We no longer need to include headers we don't use for sudo*.h files. 
Previously we needed to include headers required by the various
sudo*h files.  Now those files are more self-sufficient and we
should only include headers needed by code in the various .c files.
 2020-05-18 06:47:04 -06:00
Todd C. Miller
ac61b5655d Use EXIT_SUCCESS and EXIT_FAILURE more consistently. 2020-02-08 12:43:00 -07:00
Todd C. Miller
486ee2b71f debug_decl and debug_decl_vars now require a semicolon at the end. 2019-12-22 08:48:16 -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
c3ce3a84fb Refer to user-ID and group-ID instead of "user ID" and "group ID" 2019-10-19 14:26:41 -06:00
Todd C. Miller
40bf4081be Rename sudo_strtoid() to sudo_strtoidx() and add simplified sudo_strtoid() 2019-10-20 10:21:29 -06:00
Todd C. Miller
1e1ef61902 Add SPDX-License-Identifier to files. 2019-04-29 07:21:51 -06:00
Todd C. Miller
6c3d20cb41 Convert PVS-Studio comment to ANSI C. 2018-10-26 08:39:09 -06:00
Todd C. Miller
019279a4b8 Fix some mangled text in the license block. 2018-10-26 08:19:41 -06:00
Todd C. Miller
64e5d34c57 Add comments in .c files so PVS-Studio will check them. 2018-10-21 08:46:05 -06:00
Todd C. Miller
901b2666fc Add ldif support to testsudoers 2018-08-27 05:21:04 -06:00
Todd C. Miller
b2e3adccf3 Make alias_apply() take 3 arguments, the first being a pointer to the 
struct sudoers_parse_tree.
 2018-08-24 09:52:53 -06:00
Todd C. Miller
171686c422 update_defaults() needs to be able to take a defaults_list for 
the ldap/sssd backends which support per-role defaults.
 2018-08-02 14:06:36 -06:00
Todd C. Miller
70d519c8ad o Move userspecs, defaults and aliases into a new struct sudoers_parse_tree. 
o The parse tree is now passed to the alias, match and defaults functions.
o The nss API has been changed so that the nss parse() function returns
  a pointer to a struct sudoers_parse_tree which will be filled in
  by the getdefs() and query() functions.
 2018-07-26 15:12:33 -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
24f8e62e75 Update copyright date, remove unneeded include and add a few comments. 2018-03-06 15:59:31 -07:00
Todd C. Miller
e6c0d80fa8 Use fmtsudoers functions in testsudoers. 2018-03-06 15:09:21 -07:00
Todd C. Miller
3e7db48284 Don't print an empty user list as ALL. 2018-03-06 14:38:17 -07:00
Todd C. Miller
5e9e641b3d Check the return value of sudoers_debug_register(). 
Coverity CID 182574
 2018-01-29 14:02:21 -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
e5dee1557e Add NOTBEFORE and NOTAFTER command options similar to what is 
already available in LDAP.
 2017-02-18 15:35:48 -07:00
Todd C. Miller
3980f1531b Add support for command timeouts in sudoers. After the timeout, 
the command will be terminated.
 2017-02-14 15:56:34 -07:00
Todd C. Miller
1aea3f6e3e Just use malloc_options "S" on OpenBSD instead of "AFGJPR". 2016-11-25 09:04:00 -07:00
Todd C. Miller
79ca752802 Go back to parsing Defaults entries in update_defaults instead of 
as sudoers is read.  Otherwise, we cannot properly support early
defaults like sudoers_locale.
 2016-11-09 16:00:12 -07:00
Todd C. Miller
f6ce83ea76 Only treat an unknown Defaults entry as a parse error in visudo, 
not in sudo itself.
 2016-11-01 15:08:11 -06:00
Todd C. Miller
a750bebf10 Set RUNAS_USER_SPECIFIED when -u is specified and/or RUNAS_GROUP_SPECIFIED 
when -g is specified.
 2016-09-15 13:16:38 -06:00
Todd C. Miller
a08ea1b14d Set runas_pw early and adjust runaslist_matches() to deal. Since 
we now set runas_default early there is no need to call update_defaults
with SETDEF_RUNAS after sudoers has been parsed.
 2016-08-10 10:56:05 -06:00