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41 .Nd retrieve authentication token
46 .In security/pam_appl.h
48 .Fn pam_get_authtok "pam_handle_t *pamh" "int item" "const char **authtok" "const char *prompt"
52 function returns the cached authentication token,
53 or prompts the user if no token is currently cached.
54 Either way, a pointer to the authentication token is stored in the
55 location pointed to by the
61 argument must have one of the following values:
64 Returns the current authentication token, or the new token
65 when changing authentication tokens.
67 Returns the previous authentication token when changing
68 authentication tokens.
73 argument specifies a prompt to use if no token is cached.
77 .Dv PAM_AUTHTOK_PROMPT
79 .Dv PAM_OLDAUTHTOK_PROMPT
81 as appropriate, will be used.
84 a hardcoded default prompt will be used.
90 and there is a non-null
94 will ask the user to confirm the new token by
96 If there is a mismatch,
104 function returns one of the following values:
106 .It Bq Er PAM_BUF_ERR
108 .It Bq Er PAM_CONV_ERR
109 Conversation failure.
110 .It Bq Er PAM_SYSTEM_ERR
112 .It Bq Er PAM_TRY_AGAIN
123 function is an OpenPAM extension.
127 function and this manual page were developed for the
129 Project by ThinkSec AS and Network Associates Laboratories, the
130 Security Research Division of Network Associates, Inc.& under
131 DARPA/SPAWAR contract N66001-01-C-8035
133 as part of the DARPA CHATS research program.