/* * lib/gssapi/krb5/set_ccache.c * * Copyright 1999, 2003 by the Massachusetts Institute of Technology. * 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 M.I.T. not be used in advertising or publicity pertaining * to distribution of the software without specific, written prior * permission. Furthermore if you modify this software you must label * your software as modified software and not distribute it in such a * fashion that it might be confused with the original M.I.T. software. * M.I.T. makes no representations about the suitability of * this software for any purpose. It is provided "as is" without express * or implied warranty. * * Set ccache name used by gssapi, and optionally obtain old ccache * name. Caller should not free returned name. */ #include <string.h> #include "gssapiP_krb5.h" OM_uint32 KRB5_CALLCONV gss_krb5_ccache_name(minor_status, name, out_name) OM_uint32 *minor_status; const char *name; const char **out_name; { krb5_context context; krb5_error_code retval; static char *oldname = NULL; const char *tmpname = NULL; if (GSS_ERROR(kg_get_context(minor_status, &context))) return (GSS_S_FAILURE); if (out_name) { if (oldname != NULL) free(oldname); /* * Save copy of previous default ccname, since * cc_set_default_name will free it and we don't want * to hang on to a pointer to freed memory. */ tmpname = krb5_cc_default_name(context); oldname = malloc(strlen(tmpname) + 1); if (oldname == NULL) return GSS_S_FAILURE; strcpy(oldname, tmpname); *out_name = oldname; } retval = krb5_cc_set_default_name(context, name); if (retval) { *minor_status = retval; return GSS_S_FAILURE; } return GSS_S_COMPLETE; }