pam_authenticate(3) BSD Library Functions Manual pam_authenticate(3)
NAME
pam_authenticate -- perform authentication within the PAM framework
LIBRARY
Pluggable Authentication Module Library (libpam, -lpam)
SYNOPSIS
#include <sys/types.h> #include <security/pam_appl.h> int pam_authenticate(pam_handle_t *pamh, int flags);
DESCRIPTION
The pam_authenticate function attempts to authenticate the user associ- ated with the pam context specified by the pamh argument. The application is free to call pam_authenticate as many times as it wishes, but some modules may maintain an internal retry counter and return PAM_MAXTRIES when it exceeds some preset or hardcoded limit. The flags argument is the binary or of zero or more of the following val- ues: PAM_SILENT Do not emit any messages. PAM_DISALLOW_NULL_AUTHTOK Fail if the user's authentication token is null. If any other bits are set, pam_authenticate will return PAM_SYMBOL_ERR.
RETURN VALUES
The pam_authenticate function returns one of the following values: [PAM_ABORT] General failure. [PAM_AUTHINFO_UNAVAIL] Authentication information is unavailable. [PAM_AUTH_ERR] Authentication error. [PAM_BUF_ERR] Memory buffer error. [PAM_CONV_ERR] Conversation failure. [PAM_CRED_INSUFFICIENT] Insufficient credentials. [PAM_MAXTRIES] Maximum number of tries exceeded. [PAM_PERM_DENIED] Permission denied. [PAM_SERVICE_ERR] Error in service module. [PAM_SYMBOL_ERR] Invalid symbol. [PAM_SYSTEM_ERR] System error. [PAM_USER_UNKNOWN] Unknown user.
SEE ALSO
pam(3), pam_strerror(3)
STANDARDS
X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules, June 1997.
AUTHORS
The pam_authenticate function and this manual page were developed for the FreeBSD Project by ThinkSec AS and Network Associates Laboratories, the Security Research Division of Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 (``CBOSS''), as part of the DARPA CHATS research program. BSD December 21, 2007 BSD
Mac OS X 10.8 - Generated Wed Aug 29 15:47:54 CDT 2012