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//proc/self/root/usr/share/doc/sudo-1.7.2p1/WHATSNEW
What's new in Sudo 1.7.2? * A new #includedir directive is available in sudoers. This can be used to implement an /etc/sudo.d directory. Files in an includedir are not edited by visudo unless they contain a syntax error. * The -g option did not work properly when only setting the group (and not the user). Also, in -l mode the wrong user was displayed for sudoers entries where only the group was allowed to be set. * Fixed a problem with the alias checking in visudo which could prevent visudo from exiting. * Sudo will now correctly parse the shell-style /etc/environment file format used by pam_env on Linux. * When doing password and group database lookups, sudo will only cache an entry by name or by id, depending on how the entry was looked up. Previously, sudo would cache by both name and id from a single lookup, but this breaks sites that have multiple password or group database names that map to the same uid or gid. * User and group names in sudoers may now be enclosed in double quotes to avoid having to escape special characters. * BSM audit fixes when changing to a non-root uid. * Experimental non-Unix group support. Currently only works with Quest Authorization Services and allows Active Directory groups fixes for Minix-3. * For Netscape/Mozilla-derived LDAP SDKs the certificate and key paths may be specified as a directory or a file. However, version 5.0 of the SDK only appears to support using a directory (despite documentation to the contrary). If SSL client initialization fails and the certificate or key paths look like they could be default file name, strip off the last path element and try again. * A setenv() compatibility fix for Linux systems, where a NULL value is treated the same as an empty string and the variable name is checked against the NULL pointer. What's new in Sudo 1.7.1? * A new Defaults option "pwfeedback" will cause sudo to provide visual feedback when the user is entering a password. * A new Defaults option "fast_glob" will cause sudo to use the fnmatch() function for file name globbing instead of glob(). When this option is enabled, sudo will not check the file system when expanding wildcards. This is faster but a side effect is that relative paths with wildcard will no longer work. * New BSM audit support for systems that support it such as FreeBSD and Mac OS X. * The file name specified with the #include directive may now include a %h escape which is expanded to the short form of hostname. * The -k flag may now be specified along with a command, causing the user's timestamp file to be ignored. * New support for Tivoli-based LDAP START_TLS, present in AIX. * New support for /etc/netsvc.conf on AIX. * The unused alias checks in visudo now handle the case of an alias referring to another alias. What's new in Sudo 1.7.0? * Rewritten parser that converts sudoers into a set of data structures. This eliminates a number of ordering issues and makes it possible to apply sudoers Defaults entries before searching for the command. It also adds support for per-command Defaults specifications. * Sudoers now supports a #include facility to allow the inclusion of other sudoers-format files. * Sudo's -l (list) flag has been enhanced: o applicable Defaults options are now listed o a command argument can be specified for testing whether a user may run a specific command. o a new -U flag can be used in conjunction with "sudo -l" to allow root (or a user with "sudo ALL") list another user's privileges. * A new -g flag has been added to allow the user to specify a primary group to run the command as. The sudoers syntax has been extended to include a group section in the Runas specification. * A uid may now be used anywhere a username is valid. * The "secure_path" run-time Defaults option has been restored. * Password and group data is now cached for fast lookups. * The file descriptor at which sudo starts closing all open files is now configurable via sudoers and, optionally, the command line. * Visudo will now warn about aliases that are defined but not used. * The -i and -s command line flags now take an optional command to be run via the shell. Previously, the argument was passed to the shell as a script to run. * Improved LDAP support. SASL authentication may now be used in conjunction when connecting to an LDAP server. The krb5_ccname parameter in ldap.conf may be used to enable Kerberos. * Support for /etc/nsswitch.conf. LDAP users may now use nsswitch.conf to specify the sudoers order. E.g.: sudoers: ldap files to check LDAP, then /etc/sudoers. The default is "files", even when LDAP support is compiled in. This differs from sudo 1.6 where LDAP was always consulted first. * Support for /etc/environment on AIX and Linux. If sudo is run with the -i flag, the contents of /etc/environment are used to populate the new environment that is passed to the command being run. * If no terminal is available or if the new -A flag is specified, sudo will use a helper program to read the password if one is configured. Typically, this is a graphical password prompter such as ssh-askpass. * A new Defaults option, "mailfrom" that sets the value of the "From:" field in the warning/error mail. If unspecified, the login name of the invoking user is used. * A new Defaults option, "env_file" that refers to a file containing environment variables to be set in the command being run. * A new flag, -n, may be used to indicate that sudo should not prompt the user for a password and, instead, exit with an error if authentication is required. * If sudo needs to prompt for a password and it is unable to disable echo (and no askpass program is defined), it will refuse to run unless the "visiblepw" Defaults option has been specified. * Prior to version 1.7.0, hitting enter/return at the Password: prompt would exit sudo. In sudo 1.7.0 and beyond, this is treated as an empty password. To exit sudo, the user must press ^C or ^D at the prompt. * visudo will now check the sudoers file owner and mode in -c (check) mode when the -s (strict) flag is specified. * A new Defaults option "umask_override" will cause sudo to set the umask specified in sudoers even if it is more permissive than the invoking user's umask.