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April, 26th. 2006:
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PAM_SM_AUTHENTICATE
Section: Linux-PAM Manual (3) Updated: 04/01/2016 Index
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NAME
pam_sm_authenticate - PAM service function for user authentication
SYNOPSIS
#define PAM_SM_AUTH
#include <security/pam_modules.h>
-
int pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc, const char **argv);
DESCRIPTION
The
pam_sm_authenticate
function is the service module's implementation of the
pam_authenticate(3)
interface.
This function performs the task of authenticating the user.
Valid flags, which may be logically OR'd with
PAM_SILENT, are:
PAM_SILENT
-
Do not emit any messages.
PAM_DISALLOW_NULL_AUTHTOK
-
Return
PAM_AUTH_ERR
if the database of authentication tokens for this authentication mechanism has a
NULL
entry for the user. Without this flag, such a
NULL
token will lead to a success without the user being prompted.
RETURN VALUES
PAM_AUTH_ERR
-
Authentication failure.
PAM_CRED_INSUFFICIENT
-
For some reason the application does not have sufficient credentials to authenticate the user.
PAM_AUTHINFO_UNAVAIL
-
The modules were not able to access the authentication information. This might be due to a network or hardware failure etc.
PAM_SUCCESS
-
The authentication token was successfully updated.
PAM_USER_UNKNOWN
-
The supplied username is not known to the authentication service.
PAM_MAXTRIES
-
One or more of the authentication modules has reached its limit of tries authenticating the user. Do not try again.
SEE ALSO
pam(3),
pam_authenticate(3),
pam_sm_setcred(3),
pam_strerror(3),
PAM(8)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUES
-
- SEE ALSO
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