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.
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.
Makefile.
* man/Makefile.am: Build zh_CN pages.
* man/generate_translations.mak: Add config.xml to CLEANFILES.
* man/po/zh_CN.po: limits, groups, faillog, expiry should not be
translated (command name, file name), also this broke the build
system as they are used to derive manpage names.
entry validity before commits to databases.
* libmisc/fields.c, libmisc/Makefile.am, lib/fields.c,
lib/Makefile.am, po/POTFILES.in: fields.c moved from libmisc to
lib.
for autogen.sh)
* configure.in, man/po/Makefile.in.in, man/po/Makefile.in:
Makefile.in.in replaced by Makefile.in to avoid config.status
issues when there are multiple po directories.
* man/po/LINGUAS: Adapted to above change.
* man/po/POTFILES.in, man/po/XMLFILES: POTFILES.in replaced by
XMLFILES.
* man/Makefile.am: generate_mans.deps shall be included by make,
not automake.
* libmisc/copydir.c: Missing parenthesis in comment.
* libmisc/chowndir.c: Fixed memory leak on failed realloc().
* libmisc/chowndir.c: Make sure the buffer for the path is large
enough.
* libmisc/remove_tree.c: Remove check for NULL before free().
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.
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.
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.
copy the extended attributes (the SELinux context is hence reset)
* src/usermod.c: Copy the extended attributes.
* src/useradd.c: Only reset the SELinux context.
* src/useradd.c: spool is a constant string.
* src/useradd.c: Set the new copy_tree's paramater 'copy_root' to false
2010-04-04 Nicolas François <nicolas.francois@centraliens.net>
* src/usermod.c: move_home() is only called if mflg is set.
* src/usermod.c: Fail is -m is provided but the old home directory
is not a directory.
* src/usermod.c: Use the previous improvement of copy_tree to
provide better error diagnosis.
* src/usermod.c: When rename() is used, also change the ownership.
* src/usermod.c: Do not change the ownership of the root directory
twice.
* src/usermod.c: When -u is provided, only change the ownership of
the home directory if it is a directory.
* src/usermod.c: Also change ownerships when -g is used.
2010-04-04 Nicolas François <nicolas.francois@centraliens.net>
* lib/prototypes.h, libmisc/copydir.c: Add the old UID and GID to
copy_tree to detect when ownership shall be changed.
* libmisc/copydir.c: Document the behavior when the IDs are set to
-1.
* lib/prototypes.h, libmisc/copydir.c (copy_tree): Add parameter
copy_root.
* libmisc/copydir.c: error() and ctx can be static.
* libmisc/copydir.c (copy_hardlink): Remove parameter src.
2010-04-04 Nicolas François <nicolas.francois@centraliens.net>
* libmisc/chowndir.c: Dynamically allocate memory to support
path longer than 1024 characters.
* libmisc/chowndir.c: Fix typos in documentation.
* libmisc/chowndir.c: Support and document the behavior when a old
or new ID is set to -1.
* libmisc/chowndir.c: Improved error detection when chown fails.
* libmisc/chowndir.c: Harmonize error handling strategy when an
error occurs: stop changing ownership as soon as an error was
detected.
* src/login_nopam.c: Limit the scope of variables end, lineno, i,
str_len.
* src/logoutd.c: Limit the scope of variable c.
* src/vipw.c: Re-indent.
* src/vipw.c: Close the file after the creation of the backup.
* src/useradd.c (set_default): Close input file on failure.
* src/useradd.c: Limit the scope of variables spool, file, fd, gr,
gid, mode.
* src/passwd.c: Limit the scope of variables last and ok.
* src/chage.c: Fix typo (non breaking space).
* src/login.c: Limit the scope of variables erasechar killchar, c,
failed.
* src/groups.c: Limit the scope of variable ngroups, pri_grp, i.
* src/id.c: Limit the scope of variable i.
no more used.
* lib/groupmem.c: Limit the scope of variable i.
* lib/shadow.c: Avoid implicit conversion of pointers and integers
to booleans.
* lib/shadow.c: Added brackets.
* libmisc/limits.c: Limit the scope of variable tmpmask.
* libmisc/copydir.c: Close opened file on failure.
* libmisc/loginprompt.c: Limit the scope of variable envc.
* libmisc/find_new_uid.c, libmisc/find_new_gid.c: Limit the scope
of variable id.
* NEWS, libmisc/limits.c, man/limits.5.xml: Add support for
infinite limits.
* NEWS, libmisc/limits.c, man/limits.5.xml: Add support for @group
syntax.
they are already specified in number of days since Epoch. Return
-2 in case of errors to support the specification of -1.
* src/usermod.c, src/useradd.c: Adapt to the new error value of
strtoday().
* src/chage.c: Remove isnum(). Adapt to the new error value of
strtoday(). Support for numerical dates is moved to strtoday().
* src/pwck.c: Add support for TCB.
* src/pwck.c: Use spw_dbname() instead of spw_file since TCB
changes from a file to another depending on the user. Also use
pw_dbname() for consistency.
-a option.
* NEWS, man/faillog.8.xml, src/faillog.c: Extend the -a option to
the non-display mode. This changes the default behavior of the -l,
-m, -r, -t options when -a is not specified (restrict to existing
users).
man/pwconv.8.xml, man/useradd.8.xml, man/userdel.8.xml,
man/usermod.8.xml, man/vipw.8.xml: Document the usage of the
TCB_AUTH_GROUP, TCB_SYMLINKS, and USE_TCB configuration
parameters.
* man/pwconv.8.xml, man/pwck.8.xml: Document the behavior when
USE_TCB is enabled.
translation.
* lib/tcbfuncs.c: Indicate the name of the program in error
messages. Avoid perror.
* src/useradd.c: Re-indent.
* src/useradd.c: Add more strings for translation. Indicate the
name of the program in error messages.
* src/userdel.c: Re-indent.
* src/userdel.c: Add more strings for translation. Indicate the
name of the program in error messages.
* lib/shadowio.c: Added brackets and parenthesis.
* lib/shadowio.c: Document the sections closed by #endif
* lib/shadowio.c: Avoid negation of comparisons.
* lib/shadowio.c: Avoid implicit conversion of integer to booleans
and booleans to integers.
* src/vipw.c: Avoid implicit conversion of pointers or integers to
booleans.
* src/vipw.c: Added brackets and parenthesis.
* src/vipw.c: Limit the definition of some variables and macros to
the WITH_TCB scope.
* src/vipw.c: Avoid assignment in comparisons.
* src/vipw.c: Replace PASSWD_FILE (resp. GROUP_FILE and
SGROUP_FILE) by pw_dbname () (resp. gr_dbname () and sgr_dbname ()).
This is more consistent with the shadow file handling and may be
useful to allow edition of another partition's files.
* NEWS: Add support for TCB.
* lib/tcbfuncs.h, lib/tcbfuncs.c, lib/Makefile.am: New library to
support TCB.
* lib/prototypes, libmisc/copydir.c (remove_tree): Add boolean
parameter remove_root.
* configure.in: Add conditional WITH_TCB.
* src/userdel.c, src/usermod.c: Add support for TCB. Update call to
remove_tree().
* src/pwconv.c, src/pwunconv.c: Should not be used with TCB enabled.
* src/vipw.c: Add support for TCB. Update call to remove_tree().
* src/useradd.c: Add support for TCB. Open the shadow file outside
of open_files().
* src/chage.c: Add support for TCB.
* src/Makefile.am: Install passwd sgid shadow when TCB is enabled.
* lib/getdefs.c, man/vipw.8.xml, man/login.defs.5.xml,
man/login.defs/TCB_AUTH_GROUP.xml, man/login.defs/USE_TCB.xml,
man/login.defs/TCB_SYMLINKS.xml, man/generate_mans.mak,
man/generate_mans.deps, man/Makefile.am: New configuration
parameters: TCB_AUTH_GROUP, TCB_SYMLINKS, USE_TCB.
* lib/shadowio.c, lib/commonio.c: Add support for TCB.
--preserve-environment. This sanitation was disabled on Debian
since quite some time with no reported issues, and sanitize_env()
documentation agrees that it should be useless as all modern
Unixes will handle setuid executables properly. This Fixes
Alioth#312287.
* src/su.c: Add more messages for translation.
* src/su.c: Ignore kill() return value when sending the TERM
signal. If it fails, a KILL should be sent anyway.
terminate (after sending a SIGTERM), and kill it only if it did
not terminate by itself. No delay will be enforced if the child
cooperates. See http://bugs.gentoo.org/282094
* NEWS, man/su.1.xml: Document su's exit values.
po/Makefile.in.in: Removing and restoring the config.xml file
broke parallel builds. Build the manpages based on *.xml-config
files instead of *.xml files. The *.xml do not include config.xml
anymore, which permits to run xml2po without needing to remove
config.xml. The config.xml is restored in the *.xml-config files.
* man/groupadd.8.xml: Implementation of the above.
* man/generate_mans.deps: Updated dependencies
spwd. (start with the primitive types)
* lib/shadowmem.c: Avoid memzero() on a possibly NULL pointer.
* lib/groupmem.c: Only copy the required fields of the struct
group. (start with the primitive types)
* lib/groupmem.c: Avoid memzero() on a possibly NULL pointer.
* lib/groupmem.c: Free gr_mem in addition to its elements.
* lib/sgroupio.c: The struct sgrp has no primitive types to be
copied initially.
* lib/sgroupio.c: Avoid memzero() on a possibly NULL pointer.
* lib/sgroupio.c: Free sg_mem and sg_add in addition to their
elements.
* lib/pwmem.c: Only copy the required fields of the struct
passwd. (start with the primitive types)
src/chpasswd.c, src/groupmems.c, src/usermod.c, src/chgpasswd.c,
src/vipw.c, src/su.c, src/useradd.c, src/groupmod.c, src/passwd.c,
src/groupadd.c, src/chage.c, src/faillog.c, src/chsh.c: Use
booleans for tests.
* src/userdel.c, src/gpasswd.c, src/groupmems.c, src/usermod.c,
src/groupmod.c, src/passwd.c: Use a break even after usage().
src/newusers.c, src/chpasswd.c, src/groupmems.c, src/usermod.c,
src/chgpasswd.c, src/vipw.c, src/su.c, src/useradd.c,
src/groupmod.c, src/passwd.c, src/groupadd.c, src/chage.c,
src/faillog.c, src/chsh.c: If someone uses the -h/--help options,
the usage should not go to stderr nor should the utility exit with
non-zero status. All of the shadow utils do just this
unfortunately, so convert them over to sanity.
* man/groupmems.8.xml, man/gpasswd.1.xml: Added option -h/--help.
* NEWS, libmisc/find_new_gid.c, libmisc/find_new_uid.c: Since
system accounts are allocated from SYS_?ID_MIN to SYS_?ID_MAX in
reverse order, accounts are packed close to SYS_?ID_MAX if
SYS_?ID_MIN is already used but there are still dome gaps.
getpwent / getgrent for system accounts. Trying the low-IDs with
getpwuid / getgrgid should be more efficient on LDAP configured
systems with many accounts.
libmisc/xgetpwuid.c, libmisc/xgetgrgid.c, libmisc/xgetspnam.c: Do
not limit the size of the buffer to hold the group or user
structure. It used to be limited to 16k, which caused issues with
groups having many users.
* man/su.1.xml: Improve the documentation of the su behavior
regarding environment variables.
* man/su.1.xml: Document that the login.defs file is used.
* po/shadow.pot, man/po/shadow-man-pages.pot: Regenerated.
* po/*.po, man/po/*.po: Updated PO files.
* man/passwd.1.xml: passwd -u does not reset the expiry field.
* NEWS, src/userdel.c: When USERGROUPS_ENAB is enabled, remove the
user's group when the user was the only member. This is still not
complete, as the user could have been specified twice in the
members.
* NEWS, src/userdel.c: Do not fail when -r is used and the home
directory does not exist.
Harmonize formatting of login.defs and default/useradd variables.
Use an <option> tag.
* man/usermod.8.xml: Added reference to gshadow(5).
* man/login.defs.d/USERDEL_CMD.xml: Shorten the lines of the
USERDEL_CMD example.
man/groupadd.8.xml, man/usermod.8.xml, man/chgpasswd.8.xml,
man/groupmod.8.xml: Added warning: passwords set with these tools
may not respect the password policy.
lib/prototypes.h: Move user_busy() to libmisc/user_busy.c.
* NEWS, libmisc/user_busy.c: On Linux, do not check if an user is
logged in with utmp, but check if the user is running some
processes. If not on Linux, continue to search for an utmp record,
but make sure the process recorded in the utmp entry is still
running.
shell as a shell script when the direct execution of the user's
shell failed with ENOEXEC and the user's shell has a shebang. The
interpreter might not be the right one. Executing the user's
shell with sh -c might be better, but I'm not sure we should try
harder when there is a failure. Note: The removed code was only
included #ifndef __linux__.
with a NULL argument.
* src/useradd.c: Replace PATH_MAX by a fixed constant. The buffer
was not meant as a storage for a path.
* src/useradd.c, src/newusers.c, src/chpasswd.c: Better detection
of fgets errors. Lines shall end with a \n, unless we reached the
end of file.
* libmisc/copydir.c: Avoid PATH_MAX. Support file paths with any
length. Added readlink_malloc().
and the password field in passwd is not 'x'.
* src/grpck.c: Warn if a group has an entry in group and gshadow,
and the password field in group is not 'x'.
man/login.defs.d/MD5_CRYPT_ENAB.xml,
man/login.defs.d/SHA_CRYPT_MIN_ROUNDS.xml: Updated note for PAM
enabled versions. These variables are only used for group
passwords in this case.
changing the passwords with PAM.
* src/newusers.c: Split the usage string in smaller parts to
allow enabling single parts.
* man/newusers.8.xml: Indicate the options and configuration
variables valid for PAM and non-PAM versions.
* man/newusers.8.xml: Added pointer to /etc/pam.d/chpasswd.
libmisc/pam_pass_non_interractive.c, libmisc/Makefile.am: Renamed.
* libmisc/pam_pass_non_interractive.c, lib/prototypes.h:
non_interactive_password and non_interactive_pam_conv do not need
to be externally visible.
* libmisc/pam_pass_non_interractive.c: Added declaration of
ni_conv.
* libmisc/pam_pass_non_interractive.c: Only compile ifdef USE_PAM.
* libmisc/pam_pass_non_interractive.c, lib/prototypes.h:
Added do_pam_passwd_non_interractive().
* src/chpasswd.c: Use do_pam_passwd_non_interractive().
* man/chpasswd.8.xml: Describe the PAM enabled chpasswd behavior.
* man/chpasswd.8.xml: Differentiate the files and configurations
needed for PAM and non PAM versions.
instead of only the username.
* src/chpasswd.c: PAM enabled chpasswd do may change the password
database (for the user where the password update succeeded) even
if there were a failure for one user. Do not indicate that changes
were ignored.
unlink() in case of failure of fopen_set_perms() or
create_backup().
* lib/commonio.c: Should the backup file be unlink'ed in case of
failure of create_backup()?
* libmisc/chowntty.c, libmisc/rlogin.c, libmisc/sub.c,
src/newusers.c, libmisc/sulog.c, libmisc/system.c, src/logoutd.c,
src/groups.c, src/id.c, lib/encrypt.c, libmisc/audit_help.c,
libmisc/limits.c: Return EXIT_FAILURE instead of 1, and
EXIT_SUCCESS instead of 0.
* libmisc/audit_help.c: Replace an fprintf() by fputs().
* libmisc/audit_help.c: Remove documentation of the audit_logger
returned values. The function returns void.
* libmisc/system.c: Only return status if waitpid succeeded.
Return -1 otherwise.
with PAM.
* src/chpasswd.c: Split the usage string in smaller parts to
allows enabling single parts.
* src/chpasswd.c: Do not set a global lock on the password files.
This is done by PAM each time a password is updated.
man/useradd.8.xml: Added note to warn about insecurity in using
--password.
* man/groupmod.8.xml: Removed not regarding default if --password
is not used. This was a cut&paste from groupadd.8.xml.
* man/passwd.1.xml: Split some paragraphs.
* man/passwd.1.xml: Recommend other encryption methods than DES.
