Merge branch 'sunweaver-pr/libXau-cleanup' into 3.6.x

Attributes GH PR #152: https://github.com/ArcticaProject/nx-libs/pull/152
Reviewed by: Vadim Troshchinskiy <vadim@qindel.com>  -- Fri, 01 Jul 2016 14:55:00 +0200

1 files changed, 0 insertions, 801 deletions

diff --git a/nx-X11/programs/Xserver/os/k5auth.c b/nx-X11/programs/Xserver/os/k5auth.c
deleted file mode 100644
index f2ed5369d..000000000
--- a/nx-X11/programs/Xserver/os/k5auth.c
+++ /dev/null
@@ -1,801 +0,0 @@
-/* $Xorg: k5auth.c,v 1.4 2001/02/09 02:05:23 xorgcvs Exp $ */
-/*
-
-Copyright 1993, 1994, 1998  The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from The Open Group.
-
-*/
-/* $XFree86: xc/programs/Xserver/os/k5auth.c,v 3.4 2001/01/17 22:37:10 dawes Exp $ */
-
-/*
- * Kerberos V5 authentication scheme
- * Author: Tom Yu <tlyu@MIT.EDU>
- *
- * Mostly snarfed wholesale from the user_user demo in the
- * krb5 distribution. (At least the checking part)
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#ifdef TCPCONN
-#include <netinet/in.h>
-#endif
-#ifdef DNETCONN
-#include <netdnet/dn.h>
-#endif
-#include <arpa/inet.h>
-#include <krb5/krb5.h>
-/* 9/93: krb5.h leaks some symbols */
-#undef BITS32
-#undef xfree
-#include <krb5/los-proto.h>
-#include <nx-X11/X.h>
-#include "os.h"
-#include "osdep.h"
-#include <nx-X11/Xproto.h>
-#include <nx-X11/Xfuncs.h>
-#include "dixstruct.h"
-#include <com_err.h>
-#include "Xauth.h"
-
-extern int (*k5_Vector[256])();
-extern int SendConnSetup();
-extern char *display;		/* need this to generate rcache name */
-
-static XID krb5_id = ~0L;
-static krb5_principal srvname = NULL; /* service name */
-static char *ccname = NULL;
-static char *ktname = NULL;	/* key table name */
-static char kerror[256];
-
-/*
- * tgt_keyproc:
- *
- * extract session key from a credentials struct
- */
-krb5_error_code tgt_keyproc(keyprocarg, principal, vno, key)
-    krb5_void * keyprocarg;
-    krb5_principal principal;
-    krb5_kvno vno;
-    krb5_keyblock **key;
-{
-    krb5_creds *creds = (krb5_creds *)keyprocarg;
-    
-    return krb5_copy_keyblock(&creds->keyblock, key);
-}
-
-/*
- * k5_cmpenc:
- *
- * compare "encoded" principals
- */
-Bool k5_cmpenc(pname, plen, buf)
-    unsigned char *pname;
-    short plen;
-    krb5_data *buf;
-{
-    return (plen == buf->length &&
-	    memcmp(pname, buf->data, plen) == 0);
-}
-
-/*
- * K5Check:
- *
- * This is stage 0 of the krb5 authentication protocol.  It
- * goes through the current credentials cache and extracts the
- * primary principal and tgt to send to the client, or as
- * appropriate, extracts from a keytab.
- *
- * The packet sent to the client has the following format:
- *
- * CARD8	reqType	= 2
- * CARD8	data	= 0
- * CARD16	length	= total length of packet (in 32 bit units)
- * CARD16	plen	= length of encoded principal following
- * STRING8	princ	= encoded principal
- * STRING8	ticket	= server tgt
- *
- * For client-server authentication, the packet is as follows:
- *
- * CARD8	reqType	= 3
- * CARD8	data	= 0
- * CARD16	length	= total length
- * STRING8	princ	= encoded principal of server
- */
-XID K5Check(data_length, data, client, reason)
-    unsigned short data_length;
-    char *data;
-    ClientPtr client;
-    char **reason;
-{
-    krb5_error_code retval;
-    CARD16 tlen;
-    krb5_principal sprinc, cprinc;
-    krb5_ccache cc;
-    krb5_creds *creds;
-    char *outbuf, *cp;
-    krb5_data princ;
-    register char n;
-    xReq prefix;
-
-    if (krb5_id == ~0L)
-	return ~0L;
-    if (!ccname && !srvname)
-	return ~0L;
-    if (ccname)
-    {
-	if ((creds = (krb5_creds *)malloc(sizeof(krb5_creds))) == NULL)
-	    return ~0L;
-	if (retval = krb5_cc_resolve(ccname, &cc))
-	    return ~0L;
-	bzero((char*)creds, sizeof (krb5_creds));
-	if (retval = krb5_cc_get_principal(cc, &cprinc))
-	{
-	    krb5_free_creds(creds);
-	    krb5_cc_close(cc);
-	    return ~0L;
-	}
-	creds->client = cprinc;
-	if (retval =
-	    krb5_build_principal_ext(&sprinc, 
-				     krb5_princ_realm(creds->client)->length,
-				     krb5_princ_realm(creds->client)->data,
-				     6, "krbtgt",
-				     krb5_princ_realm(creds->client)->length,
-				     krb5_princ_realm(creds->client)->data,
-				     0))
-	{
-	    krb5_free_creds(creds);
-	    krb5_cc_close(cc);
-	    return ~0L;
-	}
-	creds->server = sprinc;
-	retval = krb5_get_credentials(KRB5_GC_CACHED, cc, creds);
-	krb5_cc_close(cc);
-	if (retval)
-	{
-	    krb5_free_creds(creds);
-	    return ~0L;
-	}
-	if (retval = XauKrb5Encode(cprinc, &princ))
-	{
-	    krb5_free_creds(creds);
-	    return ~0L;
-	}
-	tlen = sz_xReq + 2 + princ.length + creds->ticket.length;
-	prefix.reqType = 2;	/* opcode = authenticate user-to-user */
-    }
-    else if (srvname)
-    {
-	if (retval = XauKrb5Encode(srvname, &princ))
-	{
-	    return ~0L;
-	}
-	tlen = sz_xReq + princ.length;
-	prefix.reqType = 3;	/* opcode = authenticate client-server */
-    }
-    prefix.data = 0;		/* stage = 0 */
-    prefix.length = (tlen + 3) >> 2; /* round up to nearest multiple
-					of 4 bytes */
-    if (client->swapped)
-    {
-	swaps(&prefix.length, n);
-    }
-    if ((cp = outbuf = (char *)malloc(tlen)) == NULL)
-    {
-	if (ccname)
-	{
-	    krb5_free_creds(creds);
-	}
-	free(princ.data);
-	return ~0L;
-    }
-    memcpy(cp, &prefix, sz_xReq);
-    cp += sz_xReq;
-    if (ccname)
-    {
-	memcpy(cp, &princ.length, 2);
-	if (client->swapped)
-	{
-	    swaps((CARD16 *)cp, n);
-	}
-	cp += 2;
-    }
-    memcpy(cp, princ.data, princ.length);
-    cp += princ.length;
-    free(princ.data);		/* we don't need that anymore */
-    if (ccname)
-	memcpy(cp, creds->ticket.data, creds->ticket.length);
-    WriteToClient(client, tlen, outbuf);
-    free(outbuf);
-    client->requestVector = k5_Vector; /* hack in our dispatch vector */
-    client->clientState = ClientStateAuthenticating;
-    if (ccname)
-    {
-	((OsCommPtr)client->osPrivate)->authstate.srvcreds = (void *)creds; /* save tgt creds */
-	((OsCommPtr)client->osPrivate)->authstate.ktname = NULL;
-	((OsCommPtr)client->osPrivate)->authstate.srvname = NULL;
-    }
-    if (srvname)
-    {
-	((OsCommPtr)client->osPrivate)->authstate.srvcreds = NULL;
-	((OsCommPtr)client->osPrivate)->authstate.ktname = (void *)ktname;
-	((OsCommPtr)client->osPrivate)->authstate.srvname = (void *)srvname;
-    }
-    ((OsCommPtr)client->osPrivate)->authstate.stageno = 1; /* next stage is 1 */
-    return krb5_id;
-}
-
-/*
- * k5_stage1:
- *
- * This gets called out of the dispatcher after K5Check frobs with the
- * client->requestVector.  It accepts the ap_req from the client and verifies
- * it.  In addition, if the client has set AP_OPTS_MUTUAL_REQUIRED, it then
- * sends an ap_rep to the client to achieve mutual authentication.
- *
- * client stage1 packet format is as follows:
- *
- * CARD8	reqType	= 1
- * CARD8	data	= ignored
- * CARD16	length	= total length
- * STRING8	data	= the actual ap_req
- *
- * stage2 packet sent back to client for mutual authentication:
- *
- * CARD8	reqType	= 2
- * CARD8	data	= 2
- * CARD16	length	= total length
- * STRING8	data	= the ap_rep
- */
-int k5_stage1(client)
-    register ClientPtr client;
-{
-    long addrlen;
-    krb5_error_code retval, retval2;
-    register char n;
-    struct sockaddr cli_net_addr;
-    xReq prefix;
-    krb5_principal cprinc;
-    krb5_data buf;
-    krb5_creds *creds = (krb5_creds *)((OsCommPtr)client->osPrivate)->authstate.srvcreds;
-    krb5_keyblock *skey;
-    krb5_address cli_addr, **localaddrs = NULL;
-    krb5_tkt_authent *authdat;
-    krb5_ap_rep_enc_part rep;
-    krb5_int32 ctime, cusec;
-    krb5_rcache rcache = NULL;
-    char *cachename = NULL, *rc_type = NULL, *rc_base = "rcX", *kt = NULL;
-    REQUEST(xReq);
-
-    if (((OsCommPtr)client->osPrivate)->authstate.stageno != 1)
-    {
-	if (creds)
-	    krb5_free_creds(creds);
-	return(SendConnSetup(client, "expected Krb5 stage1 packet"));
-    }
-    addrlen = sizeof (cli_net_addr);
-    if (getpeername(((OsCommPtr)client->osPrivate)->fd,
-		    &cli_net_addr, &addrlen) == -1)
-    {
-	if (creds)
-	    krb5_free_creds(creds);
-	return(SendConnSetup(client, "Krb5 stage1: getpeername failed"));
-    }
-    if (cli_net_addr.sa_family == AF_UNSPEC
-#if defined(UNIXCONN) || defined(LOCALCONN) || defined(OS2PIPECONN)
-	|| cli_net_addr.sa_family == AF_UNIX
-#endif
-	)			/* assume local host */
-    {
-	krb5_os_localaddr(&localaddrs);
-	if (!localaddrs || !localaddrs[0])
-	{
-	    if (creds)
-		krb5_free_creds(creds);
-	    return(SendConnSetup(client, "Krb5 failed to get localaddrs"));
-	}
-	cli_addr.addrtype = localaddrs[0]->addrtype;
-	cli_addr.length = localaddrs[0]->length;
-	cli_addr.contents = localaddrs[0]->contents;
-    }
-    else
-    {
-	cli_addr.addrtype = cli_net_addr.sa_family; /* the values
-						       are compatible */
-	switch (cli_net_addr.sa_family)
-	{
-#ifdef TCPCONN
-	case AF_INET:
-	    cli_addr.length = sizeof (struct in_addr);
-	    cli_addr.contents =
-		(krb5_octet *)&((struct sockaddr_in *)&cli_net_addr)->sin_addr;
-	    break;
-#endif
-#ifdef DNETCONN
-	case AF_DECnet:
-	    cli_addr.length = sizeof (struct dn_naddr);
-	    cli_addr.contents =
-		(krb5_octet *)&((struct sockaddr_dn *)&cli_net_addr)->sdn_add;
-	    break;
-#endif
-	default:
-	    if (localaddrs)
-		krb5_free_addresses(localaddrs);
-	    if (creds)
-		krb5_free_creds(creds);
-	    sprintf(kerror, "Krb5 stage1: unknown address family %d from getpeername",
-		    cli_net_addr.sa_family);    
-	    return(SendConnSetup(client, kerror));
-	}
-    }
-    if ((rcache = (krb5_rcache)malloc(sizeof(*rcache))) == NULL)
-    {
-	if (localaddrs)
-	    krb5_free_addresses(localaddrs);
-	if (creds)
-	    krb5_free_creds(creds);
-	return(SendConnSetup(client, "malloc bombed for krb5_rcache"));
-    }
-    if ((rc_type = krb5_rc_default_type()) == NULL)
-	rc_type = "dfl";
-    if (retval = krb5_rc_resolve_type(&rcache, rc_type))
-    {
-	if (localaddrs)
-	    krb5_free_addresses(localaddrs);
-	if (creds)
-	    krb5_free_creds(creds);
-	free(rcache);
-	strcpy(kerror, "krb5_rc_resolve_type failed: ");
-	strncat(kerror, error_message(retval), 231);
-	return(SendConnSetup(client, kerror));
-    }
-    if ((cachename = (char *)malloc(strlen(rc_base) + strlen(display) + 1))
-	== NULL)
-    {
-	if (localaddrs)
-	    krb5_free_addresses(localaddrs);
-	if (creds)
-	    krb5_free_creds(creds);
-	free(rcache);
-	return(SendConnSetup(client, "Krb5: malloc bombed for cachename"));
-    }
-    strcpy(cachename, rc_base);
-    strcat(cachename, display);
-    if (retval = krb5_rc_resolve(rcache, cachename))
-    {
-	if (localaddrs)
-	    krb5_free_addresses(localaddrs);
-	if (creds)
-	    krb5_free_creds(creds);
-	free(rcache);
-	free(cachename);
-	strcpy(kerror, "krb5_rc_resolve failed: ");
-	strncat(kerror, error_message(retval), 236);
-	return(SendConnSetup(client, kerror));
-    }
-    free(cachename);
-    if (krb5_rc_recover(rcache))
-    {
-	extern krb5_deltat krb5_clockskew;
-	if (retval = krb5_rc_initialize(rcache, krb5_clockskew))
-	{
-	    if (localaddrs)
-		krb5_free_addresses(localaddrs);
-	    if (creds)
-		krb5_free_creds(creds);
-	    if (retval2 = krb5_rc_close(rcache))
-	    {
-		strcpy(kerror, "krb5_rc_close failed: ");
-		strncat(kerror, error_message(retval2), 238);
-		return(SendConnSetup(client, kerror));
-	    }
-	    free(rcache);
-	    strcpy(kerror, "krb5_rc_initialize failed: ");
-	    strncat(kerror, error_message(retval), 233);
-	    return(SendConnSetup(client, kerror));
-	}
-    }
-    buf.length = (stuff->length << 2) - sz_xReq;
-    buf.data = (char *)stuff + sz_xReq;
-    if (creds)
-    {
-	retval = krb5_rd_req(&buf,
-			     NULL, /* don't bother with server name */
-			     &cli_addr,
-			     NULL, /* no fetchfrom */
-			     tgt_keyproc,
-			     creds, /* credentials as arg to
-				       keyproc */
-			     rcache,
-			     &authdat);
-	krb5_free_creds(creds);
-    }
-    else if (kt = (char *)((OsCommPtr)client->osPrivate)->authstate.ktname)
-    {
-	retval = krb5_rd_req(&buf, srvname, &cli_addr, kt, NULL, NULL,
-			     rcache, &authdat);
-	((OsCommPtr)client->osPrivate)->authstate.ktname = NULL;
-    }
-    else
-    {
-	if (localaddrs)
-	    krb5_free_addresses(localaddrs);
-	return(SendConnSetup(client, "Krb5: neither srvcreds nor ktname set"));
-    }
-    if (localaddrs)
-	krb5_free_addresses(localaddrs);
-    if (rcache)
-    {
-	if (retval2 = krb5_rc_close(rcache))
-	{
-	    strcpy(kerror, "krb5_rc_close failed (2): ");
-	    strncat(kerror, error_message(retval2), 230);
-	    return(SendConnSetup(client, kerror));
-	}
-	free(rcache);
-    }
-    if (retval)
-    {
-	strcpy(kerror, "Krb5: Bad application request: ");
-	strncat(kerror, error_message(retval), 224);
-	return(SendConnSetup(client, kerror));
-    }
-    cprinc = authdat->ticket->enc_part2->client;
-    skey = authdat->ticket->enc_part2->session;
-    if (XauKrb5Encode(cprinc, &buf))
-    {
-	krb5_free_tkt_authent(authdat);
-	return(SendConnSetup(client, "XauKrb5Encode bombed"));
-    }
-    /*
-     * Now check to see if the principal we got is one that we want to let in
-     */
-    if (ForEachHostInFamily(FamilyKrb5Principal, k5_cmpenc, (void *)&buf))
-    {
-	free(buf.data);
-	/*
-	 * The following deals with sending an ap_rep to the client to
-	 * achieve mutual authentication.  The client sends back a stage 3
-	 * packet if all is ok.
-	 */
-	if (authdat->ap_options | AP_OPTS_MUTUAL_REQUIRED)
-	{
-	    /*
-	     * stage 2: send ap_rep to client
-	     */
-	    if (retval = krb5_us_timeofday(&ctime, &cusec))
-	    {
-		krb5_free_tkt_authent(authdat);
-		strcpy(kerror, "error in krb5_us_timeofday: ");
-		strncat(kerror, error_message(retval), 234);
-		return(SendConnSetup(client, kerror));
-	    }
-	    rep.ctime = ctime;
-	    rep.cusec = cusec;
-	    rep.subkey = NULL;
-	    rep.seq_number = 0;
-	    if (retval = krb5_mk_rep(&rep, skey, &buf))
-	    {
-		krb5_free_tkt_authent(authdat);
-		strcpy(kerror, "error in krb5_mk_rep: ");
-		strncat(kerror, error_message(retval), 238);
-		return(SendConnSetup(client, kerror));
-	    }
-	    prefix.reqType = 2;	/* opcode = authenticate */
-	    prefix.data = 2;	/* stage = 2 */
-	    prefix.length = (buf.length + sz_xReq + 3) >> 2;
-	    if (client->swapped)
-	    {
-		swaps(&prefix.length, n);
-	    }
-	    WriteToClient(client, sz_xReq, (char *)&prefix);
-	    WriteToClient(client, buf.length, buf.data);
-	    free(buf.data);
-	    krb5_free_tkt_authent(authdat);
-	    ((OsCommPtr)client->osPrivate)->authstate.stageno = 3; /* expect stage3 packet */
-	    return(Success);
-	}
-	else
-	{
-	    free(buf.data);
-	    krb5_free_tkt_authent(authdat);
-	    return(SendConnSetup(client, NULL)); /* success! */
-	}
-    }
-    else
-    {
-	char *kname;
-	
-	krb5_free_tkt_authent(authdat);
-	free(buf.data);
-	retval = krb5_unparse_name(cprinc, &kname);
-	if (retval == 0)
-	{
-	    sprintf(kerror, "Principal \"%s\" is not authorized to connect",
-		    kname);
-	    if (kname)
-		free(kname);
-	    return(SendConnSetup(client, kerror));
-	}
-	else
-	    return(SendConnSetup(client,"Principal is not authorized to connect to Server"));
-    }
-}
-
-/*
- * k5_stage3:
- *
- * Get the short ack packet from the client.  This packet can conceivably
- * be expanded to allow for switching on end-to-end encryption.
- *
- * stage3 packet format:
- *
- * CARD8	reqType	= 3
- * CARD8	data	= ignored (for now)
- * CARD16	length	= should be zero
- */
-int k5_stage3(client)
-    register ClientPtr client;
-{
-    REQUEST(xReq);
-
-    if (((OsCommPtr)client->osPrivate)->authstate.stageno != 3)
-    {
-	return(SendConnSetup(client, "expected Krb5 stage3 packet"));
-    }
-    else
-	return(SendConnSetup(client, NULL)); /* success! */
-}
-
-k5_bad(client)
-    register ClientPtr client;
-{
-    if (((OsCommPtr)client->osPrivate)->authstate.srvcreds)
-	krb5_free_creds((krb5_creds *)((OsCommPtr)client->osPrivate)->authstate.srvcreds);
-    sprintf(kerror, "unrecognized Krb5 auth packet %d, expecting %d",
-	    ((xReq *)client->requestBuffer)->reqType,
-	    ((OsCommPtr)client->osPrivate)->authstate.stageno);
-    return(SendConnSetup(client, kerror));
-}
-
-/*
- * K5Add:
- *
- * Takes the name of a credentials cache and resolves it.  Also adds the
- * primary principal of the ccache to the acl.
- *
- * Now will also take a service name.
- */
-int K5Add(data_length, data, id)
-    unsigned short data_length;
-    char *data;
-    XID id;
-{
-    krb5_principal princ;
-    krb5_error_code retval;
-    krb5_keytab_entry tmp_entry;
-    krb5_keytab keytab;
-    krb5_kvno kvno = 0;
-    krb5_ccache cc;
-    char *nbuf, *cp;
-    krb5_data kbuf;
-    int i, ktlen;
-    
-    krb5_init_ets();		/* can't think of a better place to put it */
-    krb5_id = ~0L;
-    if (data_length < 3)
-	return 0;
-    if ((nbuf = (char *)malloc(data_length - 2)) == NULL)
-	return 0;
-    memcpy(nbuf, data + 3, data_length - 3);
-    nbuf[data_length - 3] = '\0';
-    if (ccname)
-    {
-	free(ccname);
-	ccname = NULL;
-    }
-    if (srvname)
-    {
-	krb5_free_principal(srvname);
-	srvname = NULL;
-    }
-    if (ktname)
-    {
-	free(ktname);
-	ktname = NULL;
-    }
-    if (!strncmp(data, "UU:", 3))
-    {
-	if (retval = krb5_cc_resolve(nbuf, &cc))
-	{
-	    ErrorF("K5Add: krb5_cc_resolve of \"%s\" failed: %s\n",
-		   nbuf, error_message(retval));
-	    free(nbuf);
-	    return 0;
-	}
-	if (cc && !(retval = krb5_cc_get_principal(cc, &princ)))
-	{
-	    if (XauKrb5Encode(princ, &kbuf))
-	    {
-		free(nbuf);
-		krb5_free_principal(princ);
-		krb5_cc_close(cc);
-		return 0;
-	    }
-	    if (krb5_cc_close(cc))
-		return 0;
-	    AddHost(NULL, FamilyKrb5Principal, kbuf.length, kbuf.data);
-	    krb5_free_principal(princ);
-	    free(kbuf.data);
-	    ccname = nbuf;
-	    krb5_id = id;
-	    return 1;
-	}
-	else
-	{
-	    ErrorF("K5Add: getting principal from cache \"%s\" failed: %s\n",
-		   nbuf, error_message(retval));
-	}
-    }
-    else if (!strncmp(data, "CS:", 3))
-    {
-	if ((cp = strchr(nbuf, ',')) == NULL)
-	{
-	    free(nbuf);
-	    return 0;
-	}
-	*cp = '\0';		/* gross but it works :-) */
-	ktlen = strlen(cp + 1);
-	if ((ktname = (char *)malloc(ktlen + 1)) == NULL)
-	{
-	    free(nbuf);
-	    return 0;
-	}
-	strcpy(ktname, cp + 1);
-	retval = krb5_sname_to_principal(NULL, /* NULL for hostname uses
-						  local host name*/
-					 nbuf, KRB5_NT_SRV_HST,
-					 &srvname);
-	free(nbuf);
-	if (retval)
-	{
-	    free(ktname);
-	    ktname = NULL;
-	    return 0;
-	}
-	if (retval = krb5_kt_resolve(ktname, &keytab))
-	{
-	    free(ktname);
-	    ktname = NULL;
-	    krb5_free_principal(srvname);
-	    srvname = NULL;
-	    return 0;
-	}
-	retval = krb5_kt_get_entry(keytab, srvname, kvno, &tmp_entry);
-	krb5_kt_free_entry(&tmp_entry);
-	if (retval)
-	{
-	    free(ktname);
-	    ktname = NULL;
-	    krb5_free_principal(srvname);
-	    srvname = NULL;
-	    return 0;
-	}
-	if (XauKrb5Encode(srvname, &kbuf))
-	{
-	    free(ktname);
-	    ktname = NULL;
-	    krb5_free_principal(srvname);
-	    srvname = NULL;
-	    return 0;
-	}
-	AddHost(NULL, FamilyKrb5Principal, kbuf.length, kbuf.data);
-	krb5_id = id;
-	return 1;
-    }
-    else
-    {
-	ErrorF("K5Add: credentials cache name \"%.*s\" in auth file: unknown type\n",
-	       data_length, data);
-    }
-    return 0;
-}
-
-/*
- * K5Reset:
- *
- * Reset krb5_id, also nuke the current principal from the acl.
- */
-int K5Reset()
-{
-    krb5_principal princ;
-    krb5_error_code retval;
-    krb5_ccache cc;
-    krb5_data kbuf;
-    int i;
-    
-    if (ccname)
-    {
-	if (retval = krb5_cc_resolve(ccname, &cc))
-	{
-	    free(ccname);
-	    ccname = NULL;
-	}
-	if (cc && !(retval = krb5_cc_get_principal(cc, &princ)))
-	{
-	    if (XauKrb5Encode(princ, &kbuf))
-		return 1;
-	    RemoveHost(NULL, FamilyKrb5Principal, kbuf.length, kbuf.data);
-	    krb5_free_principal(princ);
-	    free(kbuf.data);
-	    if (krb5_cc_close(cc))
-		return 1;
-	    free(ccname);
-	    ccname = NULL;
-	}
-    }
-    if (srvname)
-    {
-	if (XauKrb5Encode(srvname, &kbuf))
-	    return 1;
-	RemoveHost(NULL, FamilyKrb5Principal, kbuf.length, kbuf.data);
-	krb5_free_principal(srvname);
-	free(kbuf.data);
-	srvname = NULL;
-    }
-    if (ktname)
-    {
-	free(ktname);
-	ktname = NULL;
-    }
-    krb5_id = ~0L;
-    return 0;
-}
-
-XID K5ToID(data_length, data)
-    unsigned short data_length;
-    char *data;
-{
-    return krb5_id;
-}
-
-int K5FromID(id, data_lenp, datap)
-    XID id;
-    unsigned short *data_lenp;
-    char **datap;
-{
-    return 0;
-}
-
-int K5Remove(data_length, data)
-    unsigned short data_length;
-    char *data;
-{
-    return 0;
-}