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59 Commits

Author SHA1 Message Date
Todd C. Miller
2ecda6d65c Use the auth_getpass (and the plugin conversation fuction) for Tru64 
SIA.  This prevents sudo from sleeping while holding the tty ticket
lock.
 2015-10-06 10:25:53 -06:00
Todd C. Miller
98a15d9879 Add a struct sudo_conv_callback that contains on_suspend and on_resume 
function pointer args plus a closure pointer and at it to the
conversation function.
 2015-09-07 06:06:08 -06:00
Todd C. Miller
2b6085760c In sudo_pam_begin_session() and sudo_pam_end_session() return 
AUTH_FATAL on error, not AUTH_FAILURE.  In sudo_auth_begin_session()
treat anything other than AUTH_SUCCESS as a fatal error.
 2015-08-10 20:17:02 -06:00
Todd C. Miller
0b241088b3 There's no need to conditionalize the #include <unistd.h>, we require 
a POSIX system.
 2015-07-02 09:08:28 -06:00
Todd C. Miller
4a07b472f0 Only include stddef.h where it is needed. 2015-06-20 05:34:35 -06:00
Todd C. Miller
dc883f2454 We require ANSI C so stop using the obsolete STDC_HEADERS. 2015-06-19 14:29:27 -06:00
Todd C. Miller
e11f32fd42 On AIX use the value of auth_type in /etc/security/login.cfg to 
determine whether to use LAM or PAM unless the user specified the
--with-pam or --with-aixauth configure flags.
 2015-02-23 11:12:43 -07:00
Todd C. Miller
59ab26dbcc Go back to a 2 args debug_decl and just use the "default" instance, 
now renamed "active".
 2015-02-01 08:24:49 -07:00
Todd C. Miller
e9914a91b1 The sudoers plugin now defines its own list of debugging subsystem names 
and defines.
 2014-10-22 13:30:52 -06:00
Todd C. Miller
866cfc4fc3 Add support for multiple Debug lines per program. Callers may 
register arbitrary debug facilities or use built-in defaults.  We
now use separate Debug statements for plugins and programs.
 2014-10-22 13:23:05 -06:00
Todd C. Miller
b7444e0f83 Simplify how we count the password tries 2014-09-27 10:17:21 -06:00
Todd C. Miller
355834c76a Block SIGINT and SIGQUIT while verifying passwords so that 
authentication modules that use sleep() are not interrupted.
If the user interrupted authentication, exit the loop.
 2014-09-27 10:16:31 -06:00
Todd C. Miller
d28c525ede If all authentication methods fail init/setup, fail with an error. 2014-09-26 20:55:19 -06:00
Todd C. Miller
4105734743 Move pass_warn() so that it is defined before it is called(). 2014-09-26 20:39:40 -06:00
Todd C. Miller
337a712745 Pass argc to audit functions too. Will be needed for Solaris audit 
support.
 2014-05-13 09:41:53 -06:00
Todd C. Miller
b0f1fa7d05 Rename log_warning flags and only send mail if SLOG_SEND_MAIL is 
set instead of mailing by default like we used to.
 2014-05-02 20:54:01 -06:00
Todd C. Miller
954a3e77b1 Add log_warningx 2014-05-02 16:40:30 -06:00
Todd C. Miller
d702ee9813 Use log_warning() not log_fatal() for the "Invalid authentication 
methods compiled into sudo" message.  We return -1 on error anyway.
 2014-04-07 08:59:48 -06:00
Todd C. Miller
4e3e5077e1 Remove unused FLAG_USER auth flag. We have no auth methods that 
require that authentication be run as the invoking user.
 2014-02-27 15:51:40 -07:00
Todd C. Miller
ef2cff1d33 Now that we have proper number parsing functions we should store 
T_UINT defaults values as unsigned int, not int.
 2013-12-11 14:43:04 -07:00
Todd C. Miller
1f3ea50afd Implement memset_s() and use it instead of zero_bytes(). 
A new constant, SUDO_CONV_REPL_MAX, is defined by the plugin
API as the max conversation reply length.  This constant can be
used as a max value for memset_s() when clearing passwords
filled in by the conversation function.
 2013-08-03 08:30:06 -06:00
Todd C. Miller
1162b55040 Rename log_error() -> log_warning() for consistency with warning()/fatal() 2013-04-18 14:14:03 -04:00
Todd C. Miller
bce9a96a6d Add missing "not" in error message when mixing standalone and 
non-standalone authentication methods.
 2013-04-11 15:55:32 -04:00
Todd C. Miller
0eef336edf Fix debug_decl for sudo_auth_begin_session and sudo_auth_end_session. 2013-02-24 13:04:58 -05:00
Todd C. Miller
d3ff0f31ee Dummy out close function if there is no end_session for the auth 
method and the front-end can handle a NULL close function.  Avoids
the extra sudo process when we don't actually need it.
 2013-02-24 05:54:57 -05:00
Todd C. Miller
1d7072fe09 Don't include <sys/param.h>. We only needed it for MAXPATHLEN, 
MAXHOSTNAMELEN and the MIN/MAX macros.  We now use PATH_MAX and
HOST_NAME_MAX throughout without falling back on MAXPATHLEN or
MAXHOSTNAMELEN and define our own MIN/MAX macros as needed.
 2012-12-04 10:40:47 -05:00
Todd C. Miller
a0c53bd751 Call gettext inside log_error et al instead of having the caller do it. This way we can display any messages to the user in their own locale but log in the sudoers local. 2012-11-08 15:37:44 -05:00
Todd C. Miller
f454a852cb audit_failure() now calls gettext itself using the sudoers locale. 2012-11-08 15:37:43 -05:00
Todd C. Miller
60ba369791 Change a log_fatal() into log_error() when no auth methods are 
configured.  The caller already checks the return value.
 2012-08-22 12:51:46 -04:00
Todd C. Miller
8b03f3e7d0 Move log_denial() calls and logic to log_failure(). 
Move authentication failure logging to log_auth_failure().
Both of these call audit_failure() for us.

This subtly changes logging for commands that are denied by sudoers
but where the user failed to enter the correct password.  Previously,
these would be logged as "N incorrect password attempts" but now
are logged as "command not allowed".  Fixes bug #563
 2012-07-10 12:42:33 -04:00
Todd C. Miller
44ce5720de Remove the NO_EXIT flag to log_error() and add a log_fatal() function 
that exits and is marked no_return.  Fixes false positives from
static analyzers and is easier for humans to read too.
 2012-03-26 10:59:14 -04:00
Todd C. Miller
6d10909949 Pass a pointer to user_env in to the init_session policy plugin 
function so session setup can modify the user environment as needed.
For PAM authentication, merge the PAM environment with the user
environment at init_session time.  We no longer need to swap in the
user_env for environ during session init, nor do we need to disable
the env hooks at init_session time.
 2012-03-15 09:18:36 -04:00
Todd C. Miller
21a2f95821 Use stdbool.h instead of rolling our own TRUE/FALSE macros. 2011-12-02 11:27:33 -05:00
Todd C. Miller
6fd3e03857 Prefix authentication functions with a "sudo_" prefix to avoid 
namespace problems.
 2011-11-13 11:46:39 -05:00
Todd C. Miller
c86561e502 Remove the old Kerberos IV support 2011-11-13 09:12:43 -05:00
Todd C. Miller
839919566e Add debug_decl/debug_return (almost) everywhere. 
Remove old sudo_debug() and convert users to sudo_debug_printf().
 2011-10-22 14:40:21 -04:00
Todd C. Miller
1e93d1fbb6 Make sudo_auth_{init,cleanup} return TRUE on success and check for 
sudo_auth_init() return value in check_user().
 2011-09-27 15:41:22 -04:00
Todd C. Miller
4540a7525e Do not return without restoring permissions. 2011-09-27 15:22:08 -04:00
Todd C. Miller
bceb5df158 Modify the authentication API such that the init and cleanup functions 
are always called, regardless of whether or not we are going to
verify a password.  This is needed for proper PAM session support.
 2011-09-27 13:18:46 -04:00
Todd C. Miller
c5f8dc95c6 Fix a PAM_USER mismatch in session open/close. We update PAM_USER 
to the target user immediately before setting resource limits, which
is after the monitor process has forked (so it has the old value).
Also, if the user did not authenticate, there is no pamh in the
monitor so we need to init pam here too.  This means we end up
calling pam_start() twice, which should be fixed, but at least the
session is always properly closed now.
 2011-09-27 11:13:44 -04:00
Todd C. Miller
42a3966a88 Minor warning/error cleanup 2011-05-18 13:44:36 -04:00
Todd C. Miller
fce0b906eb cannot -> "unable to" in warning/error messages 2011-05-18 12:41:06 -04:00
Todd C. Miller
b643b190a7 Prepare sudoers module messages for translation. 2011-05-16 16:32:05 -04:00
Todd C. Miller
d2cc4740c1 For non-standalone auth methods, stop reading the password if the 
user enters ^C at the prompt.
 2010-08-06 17:16:57 -04:00
Todd C. Miller
96cb890d53 No need to look up shadow password unless we are doing password-style 
authentication.  This moves the shadow password lookup to the auth
functions that need it.
 2010-08-06 13:55:33 -04:00
Todd C. Miller
30fe4a067c Set usrinfo for AIX 
Set adminstrative domain for the process when looking up user's
    password or group info and when preparing for execve().
Include strings.h even if string.h exists since they may define
    different things.  Fixes warnings on AIX and others.
 2010-06-29 13:08:05 -04:00
Todd C. Miller
e146aaaa29 Fix visiblepw sudoers option; the plugin API portion still needs documenting 2010-06-10 15:02:32 -04:00
Todd C. Miller
a4a6620b24 Add SUDO_CONV_PROMPT_MASK define which corresponds to the "pwfeedback" 
sudoers option.  Do not disable echo if TGP_ECHO is set.
 2010-06-09 10:31:05 -04:00
Todd C. Miller
34e1a06767 Use sudo_printf to display verbose version information. 2010-05-28 12:01:06 -04:00
Todd C. Miller
b2ed46652b Clean up the sudoers auth API a bit and update the docs. 2010-05-27 14:53:11 -04:00