sia_validate_user(3) Library Functions Manual sia_validate_user(3)
NAME
sia_validate_user - perform password validation for SIA (Security Integration Architecture)
LIBRARY
Standard C library (libc.so and libc.a)
SYNOPSIS
#include <sia.h>
#include <siad.h>
int sia_validate_user( sia_collect_func_t *collect, int argc, char **argv, char *hostname, char *username,
char *tty, int colinput, char *gssapi, char *passphrase);
PARAMETERS
The collect parameter is a pointer to an SIA collection routine. If this pointer is NULL, no collection is possible. If the pointer is
not NULL and the can_collect_input parameter entered during the sia_ses_init() call was zero, then this collection routine cannot be used
to prompt for input, but can be used to display warnings or error messages. This parameter is read only. The argc and argv parameters are
used by the underlying security mechanisms for generating audit records and initializing database accesses. There should always be at
least one argument argv[0] which contains the name of the command or utility issuing a session initialization. These parameters are read
only. The hostname parameter is used to determine if the session is being requested by a remote system. If the request is from a remote
system, the hostname parameter points to a string containing the remote host information. If information about the requesting remote user
is available, the information is in the form "node::user" for DECnet or "user@host" for IP. If the remote user information is not avail-
able, the information is the remote "host". For local requests, this parameter is passed as a NULL pointer. The username parameter is be
set to point to the name or string representing the requesting user if this information is available. Otherwise this parameter is set to
NULL. This parameter is read only. The ttyname parameter is set to point to the name or string representing the requesting or active tty
if this information is available. Otherwise this parameter is set to NULL. This parameter is read only. The colinput parameter specifies
whether the collection of input is allowed during this session. A "1" means yes and "0" means no. This parameter is read only. The gssapi
pointer is for future expansion to utilize gss_api datatypes. It is not currently used and should be set to NULL. This parameter is cur-
rently read only.
The passphrase parameter provides a precollected password to the authentication routine. Set this parameter to NULL if no passphrase has
been precollected. This parameter is read only. Note that some third-party security mechanisms may fail to validate users when the
passphrase has been pre-collected, since those mechanisms may have time-dependent challenge-response dialogues as an authentication
requirement. If this parameter is NULL, and a collection routine is provided, and the colinput parameter is non-zero, the passphrase will
be gathered through the collection routine if required.
DESCRIPTION
The sia_validate_user() routine performs password validation by calling sia_ses_init(), sia_ses_reauthent(), and sia_ses_release.
RETURN VALUES
The sia_validate_user() routine returns SIASUCCESS if sia_ses_init(), sia_ses_reauthent(), and sia_ses_release succeed. SIAFAIL is returned
if any of the routines fail.
ERRORS
The errno value is not (normally) set explicitly by sia_* routines. The errno values are those returned from the dynamic loader interface,
from dependent (siad_*) routines, or from malloc. Possible errors include resource constraints (no memory) and various authentication
failures.
FILES
/etc/sia/matrix.conf
RELATED INFORMATION
sia_ses_reauthent(3), sia_ses_release(3), sia_ses_init(3), siad_ses_init(3), siad_init(3), matrix.conf(4)
Security delim off
sia_validate_user(3)