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sia_validate_user(3) Library Functions Manual sia_validate_user(3) NAME sia_validate_user - perform password validation for SIA (Security In- tegration 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 argc and argv parameters are used by the underlying security mecha- nisms 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 con- taining the remote host information. If information about the request- ing remote user is available, the information is in the form "node::user" for DECnet or "user@host" for IP. If the remote user in- formation is not available, the information is the remote "host". For local requests, this parameter is passed as a NULL pointer. The user- name 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 re- questing or active tty if this information is available. Otherwise this parameter is set to NULL. This parameter is read only. The col- input 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 currently read only. The passphrase parameter provides a precollected password to the au- thentication 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 re- quirement. If this parameter is NULL, and a collection routine is pro- vided, 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_val_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 in- clude resource constraints (no memory) and various authentication fail- ures. 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)