/* * Copyright (C) 1998 by the FundsXpress, INC. * * All rights reserved. * * Export of this software from the United States of America may require * a specific license from the United States Government. It is the * responsibility of any person or organization contemplating export to * obtain such a license before exporting. * * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and * distribute this software and its documentation for any purpose and * without fee is hereby granted, provided that the above copyright * notice appear in all copies and that both that copyright notice and * this permission notice appear in supporting documentation, and that * the name of FundsXpress. not be used in advertising or publicity pertaining * to distribution of the software without specific, written prior * permission. FundsXpress makes no representations about the suitability of * this software for any purpose. It is provided "as is" without express * or implied warranty. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #include "k5-int.h" #include "etypes.h" #include "cksumtypes.h" static int etype_match(krb5_enctype e1, krb5_enctype e2) { int i1, i2; for (i1=0; i1<krb5_enctypes_length; i1++) if (krb5_enctypes_list[i1].etype == e1) break; for (i2=0; i2<krb5_enctypes_length; i2++) if (krb5_enctypes_list[i2].etype == e2) break; return((i1 < krb5_enctypes_length) && (i2 < krb5_enctypes_length) && (krb5_enctypes_list[i1].enc == krb5_enctypes_list[i2].enc)); } /*ARGSUSED*/ krb5_error_code KRB5_CALLCONV krb5_c_keyed_checksum_types(krb5_context context, krb5_enctype enctype, unsigned int *count, krb5_cksumtype **cksumtypes) { unsigned int i, c; c = 0; for (i=0; i<krb5_cksumtypes_length; i++) { if ((krb5_cksumtypes_list[i].keyhash && etype_match(krb5_cksumtypes_list[i].keyed_etype, enctype)) || (krb5_cksumtypes_list[i].flags & KRB5_CKSUMFLAG_DERIVE)) { c++; } } *count = c; if ((*cksumtypes = (krb5_cksumtype *) malloc(c*sizeof(krb5_cksumtype))) == NULL) return(ENOMEM); c = 0; for (i=0; i<krb5_cksumtypes_length; i++) { if ((krb5_cksumtypes_list[i].keyhash && etype_match(krb5_cksumtypes_list[i].keyed_etype, enctype)) || (krb5_cksumtypes_list[i].flags & KRB5_CKSUMFLAG_DERIVE)) { (*cksumtypes)[c] = krb5_cksumtypes_list[i].ctype; c++; } } return(0); } /*ARGSUSED*/ void KRB5_CALLCONV krb5_free_cksumtypes(krb5_context context, krb5_cksumtype *val) { if (val) krb5_xfree(val); return; }