You should use the default QOP and mechanism provided by the GSS-API if at all possible. See GSS-API OIDs. However, you might have your own reasons for specifying OIDs. This appendix describes how to specify OIDs.
The following topics are covered.
For convenience, the GSS-API does allow mechanisms and QOPs to be displayed in human-readable form. On Oracle Solaris systems, two files, /etc/gss/mech and /etc/gss/qop, contain information about available mechanisms and available QOPs. If you do not have access to these files, then you must provide the string literals from some other source. The published Internet standard for that mechanism or QOP should serve that purpose.
The /etc/gss/mech file lists the mechanisms that are available. /etc/gss/mech contains the names in both the numerical format and the alphabetic form. /etc/gss/mech presents the information in this format:
Mechanism name, in ASCII
Mechanism's OID
Shared library for implementing the services that are provided by this mechanism
Optionally, the kernel module for implementing the service
A sample /etc/gss/mech might look like Example 34, The /etc/gss/mech File.
Example 34 The /etc/gss/mech File# # Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved. # #ident "@(#)mech 1.12 03/10/20 SMI" # # This file contains the GSS-API based security mechanism names, # the associated object identifiers (OID) and a shared library that # implements the services for the mechanisms under GSS-API. # # Mechanism Name Object Identifier Shared Library Kernel Module [Options] # kerberos_v5 1.2.840.113554.1.2.2 mech_krb5.so kmech_krb5 spnego 1.3.6.1.5.5.2 mech_spnego.so.1 [msinterop] diffie_hellman_640_0 1.3.6.4.1.42.2.26.2.4 dh640-0.so.1 diffie_hellman_1024_0 1.3.6.4.1.42.2.26.2.5 dh1024-0.so.1
The /etc/gss/qop file stores, for all mechanisms installed, all the QOPs supported by each mechanism, both as an ASCII string and as the corresponding 32-bit integer. A sample /etc/gss/qop might look like the following example.
Example 35 The /etc/gss/qop File# # Copyright (c) 2000,2012 by Oracle and/or its affiliates. All rights reserved. . # All rights reserved. # #ident "@(#)qop 1.3 00/11/09 SMI" # # This file contains information about the GSS-API based quality of # protection (QOP), its string name and its value (32-bit integer). # # QOP string QOP Value Mechanism Name # GSS_KRB5_INTEG_C_QOP_DES_MD5 0 kerberos_v5 GSS_KRB5_CONF_C_QOP_DES 0 kerberos_v5