svcadm(1M)을 검색하려면 섹션에서 1M 을 선택하고, 맨 페이지 이름에 svcadm을 입력하고 검색을 누른다.
pam_authenticate(3pam)
pam_authenticate(3PAM) PAM Library Functions pam_authenticate(3PAM)
NAME
pam_authenticate - perform authentication within the PAM framework
SYNOPSIS
cc [ flag ... ] file ... -lpam [ library ... ]
#include <security/pam_appl.h>
int pam_authenticate(pam_handle_t *pamh, int flags);
DESCRIPTION
The pam_authenticate() function is called to authenticate the current
user. The user is usually required to enter a password or similar
authentication token depending upon the authentication service config‐
ured within the system. The user in question should have been specified
by a prior call to pam_start() or pam_set_item().
The following flags may be set in the flags field:
PAM_SILENT Authentication service should not generate
any messages.
PAM_DISALLOW_NULL_AUTHTOK The authentication service should return
PAM_AUTH_ERR if the user has a null
authentication token.
RETURN VALUES
Upon successful completion, PAM_SUCCESS is returned. In addition to the
error return values described in pam(3PAM), the following values may be
returned:
PAM_AUTH_ERR Authentication failure.
PAM_CRED_INSUFFICIENT Cannot access authentication data due to
insufficient credentials.
PAM_AUTHINFO_UNAVAIL Underlying authentication service cannot
retrieve authentication information.
PAM_USER_UNKNOWN User not known to the underlying authentica‐
tion module.
PAM_MAXTRIES An authentication service has maintained a
retry count which has been reached. No further
retries should be attempted.
ATTRIBUTES
See attributes(7) for description of the following attributes:
tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
TRIBUTE VALUE _ Interface StabilityCommitted _ MT-LevelMT-Safe with
exceptions
SEE ALSO
libpam(3LIB), pam(3PAM), pam_open_session(3PAM), pam_set_item(3PAM),
pam_setcred(3PAM), pam_start(3PAM), attributes(7)
NOTES
In the case of authentication failures due to an incorrect username or
password, it is the responsibility of the application to retry
pam_authenticate() and to maintain the retry count. An authentication
service module may implement an internal retry count and return an
error PAM_MAXTRIES if the module does not want the application to
retry.
If the PAM framework cannot load the authentication module, then it
will return PAM_ABORT. This indicates a serious failure, and the appli‐
cation should not attempt to retry the authentication.
For security reasons, the location of authentication failures is hidden
from the user. Thus, if several authentication services are stacked and
a single service fails, pam_authenticate() requires that the user re-
authenticate each of the services.
A null authentication token in the authentication database will result
in successful authentication unless PAM_DISALLOW_NULL_AUTHTOK was spec‐
ified. In such cases, there will be no prompt to the user to enter an
authentication token.
For security reasons, pam_authenticate() clears the PAM_AUTHTOK item in
the PAM handle prior to returning to the application.
The interfaces in libpam are MT-Safe only if each thread within the
multithreaded application uses its own PAM handle.
Oracle Solaris 11.4 16 Mar 2016 pam_authenticate(3PAM)