Commit Graph

740 Commits

Author SHA1 Message Date
nekral-guest
c23e851074 * src/usermod.c (new_pwent): Document that pw_locate will not fail
because getpwnam returned successfully.
2011-07-14 13:29:48 +00:00
nekral-guest
2c6782b501 * NEWS, src/usermod.c; man/usermod.8.xml: When the shadow file
exists but there are no shadow entries, an entry has to be created
	if the password is changed and passwd requires a shadow entry, or
	if aging features are used (-e or -f). Document this and also that
	-e and -f require a shadow file.
2011-07-14 13:29:37 +00:00
nekral-guest
c2f5088067 * src/usermod.c (update_group, update_gshadow): Reduce complexity
and document checks. Some checks were always true/false within
	their call context.
2011-07-14 13:29:32 +00:00
nekral-guest
8195a2b5d8 * src/usermod.c (update_gshadow): is_member was computed twice. 2011-07-14 13:29:27 +00:00
nekral-guest
2798e35d86 * src/usermod.c: usage() does not return. Add annotations. 2011-07-14 13:29:22 +00:00
nekral-guest
d1753cc25d * src/usermod.c (process_flags): Check for oflg is not needed to
check if changes are needed.
2011-07-14 13:29:16 +00:00
nekral-guest
a5ded26850 * src/usermod.c (process_flags): Report usage if no options are
provided. Update the error message.
	* src/usermod.c (process_flags): Check option compatibility and
	dependency before options are discarded when no changes are
	requested.
2011-07-14 13:29:10 +00:00
nekral-guest
d51420bb01 * src/usermod.c (move_home): It is always an error to use -m if
the new home directory already exist (independently from the
	existence of the old home directory did not exist)
2011-07-14 13:29:05 +00:00
nekral-guest
aec025dbf6 * src/usermod.c: Fix typo in comment. 2011-07-14 13:28:59 +00:00
nekral-guest
95257d63a1 * src/groupmod.c: Avoid implicit conversion of pointer to boolean.
* src/groupmod.c: osgrp can be set only if pflg || nflg. No need
	to check for pflg || nflg again
2011-07-08 19:58:40 +00:00
nekral-guest
13873a8799 * lib/fields.c: Fixed typo from 2010-02-15. field insteadof cp
ought to be checked.
	* src/vipw.c: Use Prog instead of progname. This is needed since
	Prog is used in the library.
2011-07-08 19:56:18 +00:00
nekral-guest
cc6eaf9584 Fix typo in comment. 2011-07-08 19:51:32 +00:00
nekral-guest
1a164919f1 Fixed typo. user_home -> mailfile. 2011-07-08 19:50:42 +00:00
nekral-guest
907025eb40 * src/su.c: environ is provided by <unistd.h>.
* src/su.c: Added function prototypes.
	* src/su.c: Rename shellstr parameter to shellname to avoid
	collision with static variable.
	* NEWS, src/su.c: Added support for PAM modules which change
	PAM_USER.
2011-06-16 21:21:29 +00:00
nekral-guest
66d71aafb7 Cleanup. 2011-06-13 18:27:51 +00:00
nekral-guest
317939e821 * src/su.c: After prepare_pam_close_session() there is no need to
close the session in the child. Added pam_setcred to
	prepare_pam_close_session().
2011-06-13 18:27:46 +00:00
nekral-guest
1340beed16 * src/su.c: Also drop the controlling terminal when PAM is not
used.
	* src/su.c: Remove run_shell().
2011-06-13 18:27:40 +00:00
nekral-guest
e9045e9f55 * src/su.c (prepare_pam_close_session): Extract the creation of a
child and listening for signal in the parent from run_shell().
	prepare_pam_close_session() is now executed before the creation of
	the pam session and before the UID is changed. This allows to
	close the session as root.
2011-06-13 18:27:34 +00:00
nekral-guest
69371ba2c2 * src/su.c: Extract export of environment from main(). 2011-06-13 18:27:28 +00:00
nekral-guest
dbe0b96404 * src/su.c: Extract command line processing from main(). 2011-06-13 18:27:23 +00:00
nekral-guest
43e65fdd46 * src/su.c: Close the password databases together with syslog. 2011-06-13 18:27:17 +00:00
nekral-guest
5d6f4f8ea4 * src/su.c: Merge environment setting blocks after the creation of
the session.
2011-06-13 18:27:12 +00:00
nekral-guest
b63c830547 * src/su.c: Cleanup check_perms_nopam(). 2011-06-13 18:27:06 +00:00
nekral-guest
927c2f06a3 * src/su.c: Split check_perms() in to a PAM (check_perms_pam) and
a non-PAM (check_perms_nopam) version.
2011-06-13 18:26:58 +00:00
nekral-guest
40a16a1b04 Compile fixes & cleanups. 2011-06-13 18:26:52 +00:00
nekral-guest
6be3ac560b * src/su.c (save_caller_context): Extract from main() the code
used to save the caller's context.
2011-06-13 18:26:47 +00:00
nekral-guest
b661b913b5 * src/su.c: Cleanup local variables. 2011-06-13 18:26:36 +00:00
nekral-guest
b273c4d19f Cleanup comments. 2011-06-13 18:26:31 +00:00
nekral-guest
7ebfb5c90f * lib/prototypes.h, src/suauth.c, src/su.c (check_su_auth): Do not
use the pwent global variable to communicate between APIs of
	different files. Added boolean parameter su_to_root to
	check_su_auth().
	* src/su.c (check_perms): Return the passwd entry of the finally
	authenticated user. Remove usage of the pwent variable.
	* src/su.c: The password of the caller is the one from the
	spwd structure only if the passwd's password is 'x'.
2011-06-13 18:26:26 +00:00
nekral-guest
3abd71c526 * src/su.c: Extract the authentication from the main function. 2011-06-13 18:26:16 +00:00
nekral-guest
dc90c77285 * src/su.c: Define shellstr before the environment so that
restricted_shell is called only once. This will allow moving the
	environment definition after the switch to the new user.
2011-06-13 18:26:10 +00:00
nekral-guest
2f71935616 * src/su.c: Move definition of change_environment and shellstr
after the switch to the final subsystem. The previous architecture
	forced to always change the environment (the shell starts with a
	'*' and was thus restricted, and change_environment could not be
	reset to false).
2011-06-13 18:25:57 +00:00
nekral-guest
941e94f1d2 * src/su.c: No need to change the user's shell in case of
subsystem root. Update the comments.
2011-06-13 18:25:51 +00:00
nekral-guest
4be8077a56 * src/su.c: Group some of the environment processing blocks. The
definition of shellstr, PATH and IFS is not influenced (getenv,
	getdef, restricted_shell) by and does not influence (addenv does
	not change environ) the authentication. And the authentication
	does not overwrite those definitions. This will ease an extraction
	from the big main() function.
2011-06-13 18:25:45 +00:00
nekral-guest
aef33a89c2 * src/su.c: No need to call expire() if there are no shadow entry.
No need to convert a passwd entry into an spwd entry in that case.
2011-06-13 18:25:40 +00:00
nekral-guest
1ddde00b1d * src/su.c: Updating pwent after expire() is not useful. Only the
password information may have changed and they are not used
	anymore afterwards.
2011-06-13 18:25:34 +00:00
nekral-guest
b5403415f7 * NEWS, src/su.c: Do not forward the controlling terminal to
commands executed with -c. This prevents tty hijacking which could
	lead to execution with the caller's privileges. This required to
	forward signals from the terminal (SIGINT, SIGQUIT, SIGTSTP) to
	the executed command.
2011-06-05 14:41:15 +00:00
nekral-guest
a8ca723277 * NEWS, src/userdel.c: Do not remove a group with the same name as
the user (usergroup) if this group isn't the user's primary group.
2011-06-05 12:23:59 +00:00
nekral-guest
14f44bd9c9 * NEWS, src/userdel.c: Check the existence of the user's mail
spool before trying to remove it. If it does not exist, a warning
	is issued, but no failure.
2011-06-04 22:38:57 +00:00
nekral-guest
ce737cf543 * src/sulogin.c: Added Prog, needed because of the last xmalloc()
change.
2011-06-03 21:08:56 +00:00
nekral-guest
597bb764f1 * src/lastlog.c, src/faillog.c: Fix underflows causing wrong entry
to be displayed.
2011-06-02 20:26:30 +00:00
nekral-guest
ee163bed33 * libmisc/user_busy.c, src/userdel.c, src/usermod.c: Warn in
user_busy() rather than in src/userdel.c or src/usermod.c to
	provide more accurate failure cause (user is logged in or user
	still executes processes).
2011-02-16 20:46:27 +00:00
nekral-guest
0419fc4f5f * NEWS, src/chfn.c, src/chsh.c: Fix CVE-2011-0721: forbid \n in
gecos or shell.
2011-02-16 00:18:45 +00:00
nekral-guest
229f243ca0 * NEWS, src/usermod.c: Accept options in any order (username not
necessarily at the end)
2010-08-29 19:02:41 +00:00
nekral-guest
1d336d3a1e * lib/protoypes.h, libmisc/copydir.c, src/useradd.c:
selinux_file_context renamed set_selinux_file_context.
	* lib/protoypes.h, libmisc/copydir.c, src/useradd.c:
	Added reset_selinux_file_context.
	* src/useradd.c: Check the return value of
	set_selinux_file_context and reset_selinux_file_context.
	* libmisc/copydir.c: Check the return value of
	reset_selinux_file_context.
2010-08-28 19:58:00 +00:00
nekral-guest
991ce97170 * src/su.c: Fix handling of environment variables when
the environment is not changed. In particular, this makes su
	behave as documented regarding PATH and IFS (i.e. they are reset)
	when -p is provided.
2010-08-28 19:55:31 +00:00
nekral-guest
ab9427420e * src/newgrp.c, src/userdel.c, src/grpck.c, src/gpasswd.c,
src/newusers.c, src/pwconv.c, src/chpasswd.c, src/logoutd.c,
	src/chfn.c, src/groupmems.c, src/usermod.c, src/pwunconv.c,
	src/expiry.c, src/groupdel.c, src/chgpasswd.c, src/useradd.c,
	src/su.c, src/groupmod.c, src/passwd.c, src/pwck.c, src/chage.c,
	src/groupadd.c, src/login.c, src/grpconv.c, src/groups.c,
	src/grpunconv.c, src/chsh.c: Prog changed to a constant string.
2010-08-22 19:36:09 +00:00
nekral-guest
07e462f01f * libmisc/limits.c: Avoid implicit conversion of integer to
boolean.
	* libmisc/basename.c: Avoid implicit conversion of pointer to
	boolean.
	* libmisc/basename.c, lib/prototypes.h (Basename): Return a
	constant string.
	* libmisc/basename.c, libmisc/obscure.c, lib/prototypes.h,
	libmisc/xmalloc.c, libmisc/getdate.h, libmisc/system.c,
	libmisc/getgr_nam_gid.c, libmisc/failure.c, libmisc/valid.c: Add
	splint annotations.
	* libmisc/chowndir.c: Avoid memory leak.
	* libmisc/chowndir.c: Do not check *printf/*puts return value.
	* libmisc/chowntty.c: Avoid implicit conversion between integer
	types.
	* libmisc/obscure.c: Return a bool when possible instead of int.
	* libmisc/shell.c: Do not check *printf/*puts return value.
	* libmisc/shell.c: Do not check execle return value.
	* libmisc/setupenv.c: Avoid implicit conversion between integer
	types.
	* libmisc/xmalloc.c: size should not be zero to avoid returning
	NULL pointers.
	* libmisc/hushed.c: Do not check *printf/*puts return value.
	* libmisc/system.c: Avoid implicit conversion of integer to
	boolean. safe_system last argument is a boolean.
	* libmisc/system.c: Check return value of dup2.
	* libmisc/system.c: Do not check *printf/*puts return value.
	* libmisc/system.c: Do not check execve return value. 
	* libmisc/salt.c: Do not check *printf/*puts return value.
	* libmisc/loginprompt.c: Do not check gethostname return value.
	* libmisc/find_new_gid.c, libmisc/find_new_uid.c: Do not check
	gr_rewind/pw_rewind return value.
	* libmisc/ttytype.c: Limit the number of parsed characters in the
	sscanf format.
	* libmisc/ttytype.c: Test if a type was really read.
	* libmisc/sub.c: Do not check *printf/*puts return value.
	* libmisc/sub.c: Avoid implicit conversion of integer to boolean.
	* src/userdel.c: Fix typo in comment.
	* src/userdel.c: Avoid implicit conversion of boolean to integer.
	* src/userdel.c: safe_system last argument is a boolean.
	* src/newusers.c: Avoid implicit conversion of boolean to integer.
	* src/newusers.c: Avoid implicit conversion of integer to boolean.
	* src/usermod.c: Add brackets.
	* src/usermod.c: Avoid implicit conversion of characters or
	integers to booleans.
	* src/vipw.c: Avoid implicit conversion of integer to boolean.
	* src/su.c: Avoid implicit conversion of integer to boolean.
	* src/su.c: Add brackets.
	* src/useradd.c: Avoid implicit conversion of characters or
	integers to booleans.
2010-08-22 19:13:53 +00:00
nekral-guest
7eb6a4b3a4 Updated copyrights. 2010-08-22 13:04:54 +00:00
nekral-guest
471a2df3a6 * libmisc/obscure.c, lib/prototypes.h (obscure): Return a bool
instead of an int.
	* libmisc/obscure.c, libmisc/tz.c, src/passwd.c, lib/encrypt.c,
	libmisc/copydir.c, lib/prototypes.h: Add splint annotations.
	* libmisc/tz.c: Fix some const issues.
	* libmisc/tz.c: Avoid multi-statements lines.
	* libmisc/tz.c: Add brackets.
	* libmisc/copydir.c: Do not check *printf/*puts return value.
	* libmisc/copydir.c: Fail if we cannot set or reset the SELinux
	fscreate context.
	* libmisc/copydir.c: Use xmalloc instead of malloc.
	* libmisc/copydir.c: Do not check lutimes return value
	* src/vipw.c: Avoid implicit conversion of integer to boolean.
	* src/su.c (iswheel): Return a bool instead of an int.
	* src/passwd.c: Remove insert_crypt_passwd(). Use xstrdup instead.
	* src/passwd.c: Return constant strings when sufficient.
	* src/passwd.c: Do not check *printf/*puts return value.
	* src/passwd.c: Avoid implicit conversion of character to boolean.
	* src/passwd.c: Do not check sleep return value.
	* src/sulogin.c: Do not check *printf/*puts return value.
	* lib/encrypt.c: Do not check fprintf return value.
2010-08-22 12:49:07 +00:00