putty/pgssapi.c at master · github/putty · GitHub

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/* This file actually defines the GSSAPI function pointers for
 * functions we plan to import from a GSSAPI library.
 */
#include "putty.h"

#ifndef NO_GSSAPI

#include "pgssapi.h"

#ifndef NO_LIBDL

/* Reserved static storage for GSS_oids.  Comments are quotes from RFC 2744. */
static const gss_OID_desc oids[] = {
    /* The implementation must reserve static storage for a
     * gss_OID_desc object containing the value */
    {10, (void *)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x01"},
    /* corresponding to an object-identifier value of
     * {iso(1) member-body(2) United States(840) mit(113554)
     * infosys(1) gssapi(2) generic(1) user_name(1)}.  The constant
     * GSS_C_NT_USER_NAME should be initialized to point
     * to that gss_OID_desc.

     * The implementation must reserve static storage for a
     * gss_OID_desc object containing the value */
    {10, (void *)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x02"},
    /* corresponding to an object-identifier value of
     * {iso(1) member-body(2) United States(840) mit(113554)
     * infosys(1) gssapi(2) generic(1) machine_uid_name(2)}.
     * The constant GSS_C_NT_MACHINE_UID_NAME should be
     * initialized to point to that gss_OID_desc.

     * The implementation must reserve static storage for a
     * gss_OID_desc object containing the value */
    {10, (void *)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x03"},
    /* corresponding to an object-identifier value of
     * {iso(1) member-body(2) United States(840) mit(113554)
     * infosys(1) gssapi(2) generic(1) string_uid_name(3)}.
     * The constant GSS_C_NT_STRING_UID_NAME should be
     * initialized to point to that gss_OID_desc.
     *
     * The implementation must reserve static storage for a
     * gss_OID_desc object containing the value */
    {6, (void *)"\x2b\x06\x01\x05\x06\x02"},
    /* corresponding to an object-identifier value of
     * {iso(1) org(3) dod(6) internet(1) security(5)
     * nametypes(6) gss-host-based-services(2))}.  The constant
     * GSS_C_NT_HOSTBASED_SERVICE_X should be initialized to point
     * to that gss_OID_desc.  This is a deprecated OID value, and
     * implementations wishing to support hostbased-service names
     * should instead use the GSS_C_NT_HOSTBASED_SERVICE OID,
     * defined below, to identify such names;
     * GSS_C_NT_HOSTBASED_SERVICE_X should be accepted a synonym
     * for GSS_C_NT_HOSTBASED_SERVICE when presented as an input
     * parameter, but should not be emitted by GSS-API
     * implementations
     *
     * The implementation must reserve static storage for a
     * gss_OID_desc object containing the value */
     {10, (void *)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x04"},
    /* corresponding to an object-identifier value of {iso(1)
     * member-body(2) Unites States(840) mit(113554) infosys(1)
     * gssapi(2) generic(1) service_name(4)}.  The constant
     * GSS_C_NT_HOSTBASED_SERVICE should be initialized
     * to point to that gss_OID_desc.
     *
     * The implementation must reserve static storage for a
     * gss_OID_desc object containing the value */
    {6, (void *)"\x2b\x06\01\x05\x06\x03"},
    /* corresponding to an object identifier value of
     * {1(iso), 3(org), 6(dod), 1(internet), 5(security),
     * 6(nametypes), 3(gss-anonymous-name)}.  The constant
     * and GSS_C_NT_ANONYMOUS should be initialized to point
     * to that gss_OID_desc.
     *
     * The implementation must reserve static storage for a
     * gss_OID_desc object containing the value */
    {6, (void *)"\x2b\x06\x01\x05\x06\x04"},
     /* corresponding to an object-identifier value of
     * {1(iso), 3(org), 6(dod), 1(internet), 5(security),
     * 6(nametypes), 4(gss-api-exported-name)}.  The constant
     * GSS_C_NT_EXPORT_NAME should be initialized to point
     * to that gss_OID_desc.
     */
};

/* Here are the constants which point to the static structure above.
 *
 * Constants of the form GSS_C_NT_* are specified by rfc 2744.
 */
const_gss_OID GSS_C_NT_USER_NAME           = oids+0;
const_gss_OID GSS_C_NT_MACHINE_UID_NAME    = oids+1;
const_gss_OID GSS_C_NT_STRING_UID_NAME     = oids+2;
const_gss_OID GSS_C_NT_HOSTBASED_SERVICE_X = oids+3;
const_gss_OID GSS_C_NT_HOSTBASED_SERVICE   = oids+4;
const_gss_OID GSS_C_NT_ANONYMOUS           = oids+5;
const_gss_OID GSS_C_NT_EXPORT_NAME         = oids+6;

#endif /* NO_LIBDL */

static gss_OID_desc gss_mech_krb5_desc =
{ 9, (void *)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x02" };
/* iso(1) member-body(2) United States(840) mit(113554) infosys(1) gssapi(2) krb5(2)*/
const gss_OID GSS_MECH_KRB5 = &gss_mech_krb5_desc;

#endif /* NO_GSSAPI */