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|man pages section 5: Standards, Environments, and Macros Oracle Solaris 11 Express 11/10|
- authentication Diffie-Hellman keys management module
The pam_dhkeys.so.1 service module provides functionality to two PAM services: Secure RPC authentication and Secure RPC authentication token management.
Secure RPC authentication differs from regular Unix authentication because ONC RPCs use Secure RPC as the underlying security mechanism.
The following options may be passed to the module:
syslog(3C) debugging information at LOG_DEBUG level
Turn off warning messages
If the user has Diffie-Hellman keys, pam_sm_authenticate() establishes secret keys for the user specified by the PAM_USER (equivalent to running keylogin(1)), using the authentication token found in the PAM_AUTHTOK item. If pam_sm_setcred() is called with PAM_ESTABLISH_CRED and the user's secure RPC credentials need to be established, these credentials are set. This is equivalent to running keylogin(1).
If the credentials could not be set and PAM_SILENT is not specified, a diagnostic message is displayed. If pam_setcred() is called with PAM_DELETE_CRED, the user's secure RPC credentials are unset. This is equivalent to running keylogout(1).
PAM_REINITIALIZE_CRED and PAM_REFRESH_CRED are not supported and return PAM_IGNORE.
The pam_sm_chauthtok() implementation checks whether the old login password decrypts the users secret keys. If it doesn't this module prompts the user for an old Secure RPC password and stores it in a pam data item called SUNW_OLDRPCPASS. This data item can be used by the store module to effectively update the users secret keys.
The authentication service returns the following error codes:
Credentials set successfully.
Credentials not needed to access the password repository.
PAM_USER is not set, or the user is unknown.
No secret keys were set. PAM_AUTHTOK is not set, no credentials are present or there is a wrong password.
Module ran out of memory.
The authentication token management returns the following error codes:
Old rpc password is set in SUNW_OLDRPCPASS
User in PAM_USER is unknown.
User did not provide a password that decrypts the secret keys.
Module ran out of memory.
See attributes(5) for descriptions of the following attributes:
keylogin(1), keylogout(1), pam(3PAM), pam_authenticate(3PAM), pam_chauthtok(3PAM), pam_setcred(3PAM), pam_get_item(3PAM), pam_set_data(3PAM), pam_get_data(3PAM), syslog(3C), libpam(3LIB), pam.conf(4), attributes(5), pam_authtok_check(5), pam_authtok_get(5), pam_authtok_store(5), pam_passwd_auth(5), pam_unix_account(5), pam_unix_auth(5), pam_unix_session(5)
The interfaces in libpam(3LIB) are MT-Safe only if each thread within the multi-threaded application uses its own PAM handle.
The pam_unix(5) module is no longer supported. Similar functionality is provided by pam_authtok_check(5), pam_authtok_get(5), pam_authtok_store(5), pam_dhkeys(5), pam_passwd_auth(5), pam_unix_account(5), pam_unix_auth(5), and pam_unix_session(5).