* [TACACS+]: Add support for TACACS+ Authentication
* pam_tacplus - A TACACS+ protocol client library and PAM module to
supports core TACACS+ functions for AAA.
* nss_tacplus - A NSS plugin for TACACS+ to extend function getpwnam,
make the TACACS+ authenticated user which is not found in local
could login successfully.
* Add make rules for pam_tacplus and install script
* Add a patch for pam_tacplus to disable pam-auth-update pam-tacplus
by default
* Add a patch for pam_tacplus to inlucde and build nss_tacplus
Signed-off-by: chenchen.qcc@alibaba-inc.com
* [TACACS+]: Add nss-tacplus as a separate src repo
* Separate nss-tacplus from pam-tacplus, modify tacacs.mk and
makefile, add a patch to adapt to the new user map profile.
* Use the lastest stable version for pam-tacplus, add a dependent
package in sonic-salve, add two patches to fix build error.
* Add scripts to disable tacplus by default.
* Remove hostcfgd service file
Signed-off-by: Chenchen Qi <chenchen.qcc@alibaba-inc.com>
* [TACACS+]: Fix nss-tacplus filter some valid TACACS+ username
* The NAME_REGEX for username check in plugin nss-tacplus is
the ANSI version "^[0-9a-zA-Z_-\ ]*$", but the regular expression
in /etc/adduser.conf is not defined as ANSI version. To avoid
nss-tacplus filter some valid TACACS+ username, remove username
check.
Signed-off-by: Chenchen Qi <chenchen.qcc@alibaba-inc.com>