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42 .Nd retrieve authentication token
47 .In security/pam_appl.h
49 .Fn pam_get_authtok "pam_handle_t *pamh" "int item" "const char **authtok" "const char *prompt"
53 function returns the cached authentication token,
54 or prompts the user if no token is currently cached.
55 Either way, a pointer to the authentication token is stored in the
56 location pointed to by the
62 argument must have one of the following values:
65 Returns the current authentication token, or the new token
66 when changing authentication tokens.
68 Returns the previous authentication token when changing
69 authentication tokens.
74 argument specifies a prompt to use if no token is cached.
78 .Dv PAM_AUTHTOK_PROMPT
80 .Dv PAM_OLDAUTHTOK_PROMPT
82 as appropriate, will be used.
85 a hardcoded default prompt will be used.
91 and there is a non-null
95 will ask the user to confirm the new token by
97 If there is a mismatch,
105 function returns one of the following values:
107 .It Bq Er PAM_BUF_ERR
109 .It Bq Er PAM_CONV_ERR
110 Conversation failure.
111 .It Bq Er PAM_SYSTEM_ERR
113 .It Bq Er PAM_TRY_AGAIN
124 function is an OpenPAM extension.
128 function and this manual page were developed for the
130 Project by ThinkSec AS and Network Associates Laboratories, the
131 Security Research Division of Network Associates, Inc.\& under
132 DARPA/SPAWAR contract N66001-01-C-8035
134 as part of the DARPA CHATS research program.