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This commit is contained in:
wpaul 1997-05-28 04:51:09 +00:00
commit ab5685d0c4
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172
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/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user or with the express written consent of
* Sun Microsystems, Inc.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)publickey.c 1.10 91/03/11 Copyr 1986 Sun Micro";
#endif
/*
* publickey.c
* Copyright (C) 1986, Sun Microsystems, Inc.
*/
/*
* Public key lookup routines
*/
#include <stdio.h>
#include <pwd.h>
#include <rpc/rpc.h>
#include <rpc/key_prot.h>
#include <rpcsvc/yp_prot.h>
#include <rpcsvc/ypclnt.h>
#include <string.h>
#include <stdlib.h>
#define PKFILE "/etc/publickey"
/*
* Hack to let ypserv/rpc.nisd use AUTH_DES.
*/
int (*__getpublickey_LOCAL)() = 0;
/*
* Get somebody's public key
*/
int
__getpublickey_real(netname, publickey)
char *netname;
char *publickey;
{
char lookup[3 * HEXKEYBYTES];
char *p;
if (publickey == NULL)
return (0);
if (!getpublicandprivatekey(netname, lookup))
return (0);
p = strchr(lookup, ':');
if (p == NULL) {
return (0);
}
*p = '\0';
(void) strncpy(publickey, lookup, HEXKEYBYTES);
publickey[HEXKEYBYTES] = '\0';
return (1);
}
/*
* reads the file /etc/publickey looking for a + to optionally go to the
* yellow pages
*/
int
getpublicandprivatekey(key, ret)
char *key;
char *ret;
{
char buf[1024]; /* big enough */
char *res;
FILE *fd;
char *mkey;
char *mval;
fd = fopen(PKFILE, "r");
if (fd == (FILE *) 0)
return (0);
for (;;) {
res = fgets(buf, 1024, fd);
if (res == 0) {
fclose(fd);
return (0);
}
if (res[0] == '#')
continue;
else if (res[0] == '+') {
#ifdef YP
char *PKMAP = "publickey.byname";
char *lookup;
char *domain;
int err;
int len;
err = yp_get_default_domain(&domain);
if (err) {
continue;
}
lookup = NULL;
err = yp_match(domain, PKMAP, key, strlen(key), &lookup, &len);
if (err) {
#ifdef DEBUG
fprintf(stderr, "match failed error %d\n", err);
#endif
continue;
}
lookup[len] = 0;
strcpy(ret, lookup);
fclose(fd);
free(lookup);
return (2);
#else /* YP */
#ifdef DEBUG
fprintf(stderr,
"Bad record in %s '+' -- NIS not supported in this library copy\n", PKFILE);
#endif /* DEBUG */
continue;
#endif /* YP */
} else {
mkey = strtok(buf, "\t ");
if (mkey == NULL) {
fprintf(stderr,
"Bad record in %s -- %s", PKFILE, buf);
continue;
}
mval = strtok((char *)NULL, " \t#\n");
if (mval == NULL) {
fprintf(stderr,
"Bad record in %s val problem - %s", PKFILE, buf);
continue;
}
if (strcmp(mkey, key) == 0) {
strcpy(ret, mval);
fclose(fd);
return (1);
}
}
}
}
int getpublickey(netname, publickey)
char *netname;
char *publickey;
{
if (__getpublickey_LOCAL != NULL)
return(__getpublickey_LOCAL(netname, publickey));
else
return(__getpublickey_real(netname, publickey));
}

68
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/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user or with the express written consent of
* Sun Microsystems, Inc.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)rnusers.c 1.2 91/03/11 TIRPC 1.0; from 1.7 89/03/24 SMI";
#endif
/*
* rnusers.c
*
* "High" level programmatic interface to rnusers RPC service.
*
* Copyright (c) 1985 by Sun Microsystems, Inc.
*/
#include <rpc/rpc.h>
#include <rpcsvc/rnusers.h>
int
rusers(host, up)
char *host;
struct utmpidlearr *up;
{
return (callrpc(host, RUSERSPROG, RUSERSVERS_IDLE, RUSERSPROC_NAMES,
xdr_void, (char *) NULL,
xdr_utmpidlearr, (char *) up));
}
int
rnusers(host)
char *host;
{
int nusers;
if (callrpc(host, RUSERSPROG, RUSERSVERS_ORIG, RUSERSPROC_NUM,
xdr_void, (char *) NULL,
xdr_u_long, (char *) &nusers) != 0)
return (-1);
else
return (nusers);
}

67
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/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user or with the express written consent of
* Sun Microsystems, Inc.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)rstat.c 1.2 91/03/11 TIRPC 1.0; from 1.6 89/03/24 SMI";
#endif
/*
* Copyright (c) 1985 by Sun Microsystems, Inc.
*/
/*
* "High" level programmatic interface to rstat RPC service.
*/
#include <rpc/rpc.h>
#include <rpcsvc/rstat.h>
int
rstat(host, statp)
char *host;
struct statstime *statp;
{
return (callrpc(host, RSTATPROG, RSTATVERS_TIME, RSTATPROC_STATS,
xdr_void, (char *) NULL,
xdr_statstime, (char *) statp));
}
int
havedisk(host)
char *host;
{
long have;
if (callrpc(host, RSTATPROG, RSTATVERS_SWTCH, RSTATPROC_HAVEDISK,
xdr_void, (char *) NULL,
xdr_long, (char *) &have) != 0)
return (-1);
else
return (have);
}

52
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/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user or with the express written consent of
* Sun Microsystems, Inc.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)rwall.c 1.2 91/03/11 TIRPC 1.0; from 1.3 89/03/24 SMI";
#endif
/*
* Copyright (c) 1985 by Sun Microsystems, Inc.
*/
/*
* "High" level programmatic interface to rwall RPC service.
*/
#include <rpc/rpc.h>
#include <rpcsvc/rwall.h>
int
rwall(host, msg)
char *host;
char *msg;
{
return (callrpc(host, WALLPROG, WALLVERS, WALLPROC_WALL,
xdr_wrapstring, (char *) &msg,
xdr_void, (char *) NULL));
}

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/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user or with the express written consent of
* Sun Microsystems, Inc.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)secretkey.c 1.8 91/03/11 Copyr 1986 Sun Micro";
#endif
/*
* secretkey.c
* Copyright (C) 1986, Sun Microsystems, Inc.
*/
/*
* Secret key lookup routines
*/
#include <stdio.h>
#include <pwd.h>
#include <rpc/rpc.h>
#include <rpc/key_prot.h>
#include <rpcsvc/yp_prot.h>
#include <rpcsvc/ypclnt.h>
#include <string.h>
extern int xdecrypt __P(( char *, char * ));
/*
* Get somebody's encrypted secret key from the database, using the given
* passwd to decrypt it.
*/
int
getsecretkey(netname, secretkey, passwd)
char *netname;
char *secretkey;
char *passwd;
{
char lookup[3 * HEXKEYBYTES];
char *p;
if (secretkey == NULL)
return (0);
if (!getpublicandprivatekey(netname, lookup))
return (0);
p = strchr(lookup, ':');
if (p == NULL) {
return (0);
}
p++;
if (!xdecrypt(p, passwd)) {
return (0);
}
if (memcmp(p, p + HEXKEYBYTES, KEYCHECKSUMSIZE) != 0) {
secretkey[0] = '\0';
return (1);
}
p[HEXKEYBYTES] = '\0';
(void) strncpy(secretkey, p, HEXKEYBYTES);
secretkey[HEXKEYBYTES] = '\0';
return (1);
}

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lib/librpcsvc/xcrypt.c Normal file
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/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
/*
* Hex encryption/decryption and utility routines
*
* Copyright (C) 1986, Sun Microsystems, Inc.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/cdefs.h>
#include <rpc/des_crypt.h>
#ifndef lint
/*from: static char sccsid[] = "@(#)xcrypt.c 2.2 88/08/10 4.0 RPCSRC"; */
static const char rcsid[] = "$Id: xcrypt.c,v 1.1 1996/11/12 02:36:12 wpaul Exp $";
#endif
static char hex[]; /* forward */
static char hexval __P(( char ));
static void bin2hex __P(( int, unsigned char *, char * ));
static void hex2bin __P(( int, char *, char * ));
void passwd2des __P(( char *, char * ));
/*
* Encrypt a secret key given passwd
* The secret key is passed and returned in hex notation.
* Its length must be a multiple of 16 hex digits (64 bits).
*/
int
xencrypt(secret, passwd)
char *secret;
char *passwd;
{
char key[8];
char ivec[8];
char *buf;
int err;
int len;
len = strlen(secret) / 2;
buf = malloc((unsigned)len);
hex2bin(len, secret, buf);
passwd2des(passwd, key);
bzero(ivec, 8);
err = cbc_crypt(key, buf, len, DES_ENCRYPT | DES_HW, ivec);
if (DES_FAILED(err)) {
free(buf);
return (0);
}
bin2hex(len, (unsigned char *) buf, secret);
free(buf);
return (1);
}
/*
* Decrypt secret key using passwd
* The secret key is passed and returned in hex notation.
* Once again, the length is a multiple of 16 hex digits
*/
int
xdecrypt(secret, passwd)
char *secret;
char *passwd;
{
char key[8];
char ivec[8];
char *buf;
int err;
int len;
len = strlen(secret) / 2;
buf = malloc((unsigned)len);
hex2bin(len, secret, buf);
passwd2des(passwd, key);
bzero(ivec, 8);
err = cbc_crypt(key, buf, len, DES_DECRYPT | DES_HW, ivec);
if (DES_FAILED(err)) {
free(buf);
return (0);
}
bin2hex(len, (unsigned char *) buf, secret);
free(buf);
return (1);
}
/*
* Turn password into DES key
*/
void
passwd2des(pw, key)
char *pw;
char *key;
{
int i;
bzero(key, 8);
for (i = 0; *pw; i = (i+1)%8) {
key[i] ^= *pw++ << 1;
}
des_setparity(key);
}
/*
* Hex to binary conversion
*/
static void
hex2bin(len, hexnum, binnum)
int len;
char *hexnum;
char *binnum;
{
int i;
for (i = 0; i < len; i++) {
*binnum++ = 16 * hexval(hexnum[2*i]) + hexval(hexnum[2*i+1]);
}
}
/*
* Binary to hex conversion
*/
static void
bin2hex(len, binnum, hexnum)
int len;
unsigned char *binnum;
char *hexnum;
{
int i;
unsigned val;
for (i = 0; i < len; i++) {
val = binnum[i];
hexnum[i*2] = hex[val >> 4];
hexnum[i*2+1] = hex[val & 0xf];
}
hexnum[len*2] = 0;
}
static char hex[16] = {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f',
};
static char
hexval(c)
char c;
{
if (c >= '0' && c <= '9') {
return (c - '0');
} else if (c >= 'a' && c <= 'z') {
return (c - 'a' + 10);
} else if (c >= 'A' && c <= 'Z') {
return (c - 'A' + 10);
} else {
return (-1);
}
}

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/*
* Copyright (c) 1995, 1996
* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: yp_passwd.c,v 1.1 1996/11/16 20:52:13 wpaul Exp $
*/
#include <stdlib.h>
#include <rpc/rpc.h>
#include <rpcsvc/yp_prot.h>
#include <rpcsvc/ypclnt.h>
#include <rpcsvc/yppasswd.h>
#include <netinet/in.h>
#ifndef LINT
static const char rcsid[] = "$Id: yp_passwd.c,v 1.1 1996/11/16 20:52:13 wpaul Exp $";
#endif
/*
* XXX <rpcsvc/yppasswd.h> does a typedef that makes 'yppasswd'
* a type of struct yppasswd. This leads to a namespace collision:
* gcc will not let you have a type called yppasswd and a function
* called yppasswd(). In order to get around this, we call the
* actual function _yppasswd() and put a macro called yppasswd()
* in yppasswd.h which calls the underlying function, thereby
* fooling gcc.
*/
int _yppasswd(oldpass, newpw)
char *oldpass;
struct x_passwd *newpw;
{
char *server;
char *domain;
int rval, result;
struct yppasswd yppasswd;
yppasswd.newpw = *newpw;
yppasswd.oldpass = oldpass;
if (yp_get_default_domain(&domain))
return (-1);
if (yp_master(domain, "passwd.byname", &server))
return(-1);
rval = getrpcport(server, YPPASSWDPROG,
YPPASSWDPROC_UPDATE, IPPROTO_UDP);
if (rval == 0 || rval >= IPPORT_RESERVED) {
free(server);
return(-1);
}
rval = callrpc(server, YPPASSWDPROG, YPPASSWDVERS, YPPASSWDPROC_UPDATE,
xdr_yppasswd, (char *)&yppasswd, xdr_int, &result);
free(server);
if (rval || result)
return(-1);
else
return(0);
}

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/*
* Copyright (c) 1995, 1996
* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* ypupdate client-side library function.
*
* Written by Bill Paul <wpaul@ctr.columbia.edu>
* Center for Telecommunications Research
* Columbia University, New York City
*
* $Id: yp_update.c,v 1.1 1996/11/16 20:54:57 wpaul Exp $
*/
#include <stdlib.h>
#include <rpc/rpc.h>
#include <rpcsvc/yp_prot.h>
#include <rpcsvc/ypclnt.h>
#include <rpcsvc/ypupdate_prot.h>
#include <rpc/key_prot.h>
#ifndef lint
static const char rcsid[] = "$Id: yp_update.c,v 1.1 1996/11/16 20:54:57 wpaul Exp $";
#endif
#ifndef WINDOW
#define WINDOW (60*60)
#endif
#ifndef TIMEOUT
#define TIMEOUT 300
#endif
int
yp_update(domain, map, ypop, key, keylen, data, datalen)
char *domain;
char *map;
unsigned int ypop;
char *key;
int keylen;
char *data;
int datalen;
{
char *master;
int rval;
unsigned int res;
struct ypupdate_args upargs;
struct ypdelete_args delargs;
CLIENT *clnt;
char netname[MAXNETNAMELEN+1];
des_block des_key;
struct timeval timeout;
/* Get the master server name for 'domain.' */
if ((rval = yp_master(domain, map, &master)))
return(rval);
/* Check that ypupdated is running there. */
if (getrpcport(master, YPU_PROG, YPU_VERS, ypop))
return(YPERR_DOMAIN);
/* Get a handle. */
if ((clnt = clnt_create(master, YPU_PROG, YPU_VERS, "tcp")) == NULL)
return(YPERR_RPC);
/*
* Assemble netname of server.
* NOTE: It's difficult to discern from the documentation, but
* when you make a Secure RPC call, the netname you pass should
* be the netname of the guy on the other side, not your own
* netname. This is how the client side knows what public key
* to use for the initial exchange. Passing your own netname
* only works if the server on the other side is running under
* your UID.
*/
if (!host2netname(netname, master, domain)) {
clnt_destroy(clnt);
return(YPERR_BADARGS);
}
/* Make up a DES session key. */
key_gendes(&des_key);
/* Set up DES authentication. */
if ((clnt->cl_auth = (AUTH *)authdes_create(netname, WINDOW, NULL,
&des_key)) == NULL) {
clnt_destroy(clnt);
return(YPERR_RESRC);
}
/* Set a timeout for clnt_call(). */
timeout.tv_usec = 0;
timeout.tv_sec = TIMEOUT;
/*
* Make the call. Note that we use clnt_call() here rather than
* the rpcgen-erated client stubs. We could use those stubs, but
* then we'd have to do some gymnastics to get at the error
* information to figure out what error code to send back to the
* caller. With clnt_call(), we get the error status returned to
* us right away, and we only have to exert a small amount of
* extra effort.
*/
switch(ypop) {
case YPOP_CHANGE:
upargs.mapname = map;
upargs.key.yp_buf_len = keylen;
upargs.key.yp_buf_val = key;
upargs.datum.yp_buf_len = datalen;
upargs.datum.yp_buf_val = data;
if ((rval = clnt_call(clnt, YPU_CHANGE, xdr_ypupdate_args,
&upargs, xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
if (rval == RPC_AUTHERROR)
res = YPERR_ACCESS;
else
res = YPERR_RPC;
}
break;
case YPOP_INSERT:
upargs.mapname = map;
upargs.key.yp_buf_len = keylen;
upargs.key.yp_buf_val = key;
upargs.datum.yp_buf_len = datalen;
upargs.datum.yp_buf_val = data;
if ((rval = clnt_call(clnt, YPU_INSERT, xdr_ypupdate_args,
&upargs, xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
if (rval == RPC_AUTHERROR)
res = YPERR_ACCESS;
else
res = YPERR_RPC;
}
break;
case YPOP_DELETE:
delargs.mapname = map;
delargs.key.yp_buf_len = keylen;
delargs.key.yp_buf_val = key;
if ((rval = clnt_call(clnt, YPU_DELETE, xdr_ypdelete_args,
&delargs, xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
if (rval == RPC_AUTHERROR)
res = YPERR_ACCESS;
else
res = YPERR_RPC;
}
break;
case YPOP_STORE:
upargs.mapname = map;
upargs.key.yp_buf_len = keylen;
upargs.key.yp_buf_val = key;
upargs.datum.yp_buf_len = datalen;
upargs.datum.yp_buf_val = data;
if ((rval = clnt_call(clnt, YPU_STORE, xdr_ypupdate_args,
&upargs, xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
if (rval == RPC_AUTHERROR)
res = YPERR_ACCESS;
else
res = YPERR_RPC;
}
break;
default:
res = YPERR_BADARGS;
break;
}
/* All done: tear down the connection. */
auth_destroy(clnt->cl_auth);
clnt_destroy(clnt);
free(master);
return(res);
}