diff options
Diffstat (limited to 'src/lib/gssapi/krb5/export_name.c')
-rw-r--r-- | src/lib/gssapi/krb5/export_name.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/lib/gssapi/krb5/export_name.c b/src/lib/gssapi/krb5/export_name.c new file mode 100644 index 0000000..23cb080 --- /dev/null +++ b/src/lib/gssapi/krb5/export_name.c @@ -0,0 +1,87 @@ +/* + * lib/gssapi/krb5/export_name.c + * + * Copyright 1997 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. 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. + * + */ + +#include "gssapiP_krb5.h" + +OM_uint32 krb5_gss_export_name(OM_uint32 *minor_status, + const gss_name_t input_name, + gss_buffer_t exported_name) +{ + krb5_context context; + krb5_error_code code; + int length; + char *str, *cp; + + if (GSS_ERROR(kg_get_context(minor_status, &context))) + return(GSS_S_FAILURE); + + exported_name->length = 0; + exported_name->value = NULL; + + if (! kg_validate_name(input_name)) { + if (minor_status) + *minor_status = (OM_uint32) G_VALIDATE_FAILED; + return(GSS_S_CALL_BAD_STRUCTURE|GSS_S_BAD_NAME); + } + + if ((code = krb5_unparse_name(context, (krb5_principal) input_name, + &str))) { + *minor_status = code; + return(GSS_S_FAILURE); + } + + length = strlen(str); + exported_name->length = 10 + length + gss_mech_krb5->length; + exported_name->value = malloc(exported_name->length); + if (!exported_name->value) { + free(str); + *minor_status = ENOMEM; + return(GSS_S_FAILURE); + } + cp = exported_name->value; + + /* Note: we assume the OID will be less than 128 bytes... */ + *cp++ = 0x04; *cp++ = 0x01; + *cp++ = (gss_mech_krb5->length+2) >> 8; + *cp++ = (gss_mech_krb5->length+2) & 0xFF; + *cp++ = 0x06; + *cp++ = (gss_mech_krb5->length) & 0xFF; + memcpy(cp, gss_mech_krb5->elements, gss_mech_krb5->length); + cp += gss_mech_krb5->length; + *cp++ = length >> 24; + *cp++ = length >> 16; + *cp++ = length >> 8; + *cp++ = length & 0xFF; + memcpy(cp, str, length); + + free(str); + + return(GSS_S_COMPLETE); +} + + + + + + |