summaryrefslogtreecommitdiffstats
path: root/lib/librpc/secure_rpc/keyserv/keyserv.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/librpc/secure_rpc/keyserv/keyserv.c')
-rw-r--r--lib/librpc/secure_rpc/keyserv/keyserv.c458
1 files changed, 0 insertions, 458 deletions
diff --git a/lib/librpc/secure_rpc/keyserv/keyserv.c b/lib/librpc/secure_rpc/keyserv/keyserv.c
deleted file mode 100644
index d82dc12..0000000
--- a/lib/librpc/secure_rpc/keyserv/keyserv.c
+++ /dev/null
@@ -1,458 +0,0 @@
-#ifndef lint
-static char sccsid[] = "@(#)keyserv.c 2.4 88/08/15 4.0 RPCSRC Copyr 1988 Sun Micro";
-#endif
-/*
- * 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
- */
-
-/*
- * Copyright (C) 1986, Sun Microsystems, Inc.
- */
-
-/*
- * Keyserver
- * Store secret keys per uid. Do public key encryption and decryption
- * operations. Generate "random" keys. Do not talk to anything but a local root
- * process (by checking that the source port < IPPORT_RESERVED and by binding
- * to the loopback address).
- */
-
-#include <stdio.h>
-#include <sys/param.h>
-#include <rpc/rpc.h>
-#include <sys/file.h>
-#include <sys/socket.h>
-#include <pwd.h>
-#include <des_crypt.h>
-#include <rpc/key_prot.h>
-
-
-char ROOTKEY[] = "/etc/.rootkey";
-
-extern long random();
-
-extern keystatus pk_setkey();
-extern keystatus pk_encrypt();
-extern keystatus pk_decrypt();
-
-
-#ifdef DEBUG
-int debugging = 1;
-#else
-int debugging = 0;
-#endif
-
-static void keyprogram();
-des_block masterkey;
-
-main(argc, argv)
- int argc;
- char *argv[];
-
-{
- SVCXPRT *transp;
- int nflag;
-
- nflag = (argc == 2) && (strcmp(argv[1], "-n") == 0);
- if (!(argc == 1 || nflag)) {
- (void) fprintf(stderr, "usage: %s [-n]\n", argv[0]);
- exit(1);
- }
- /*
- * Initialize
- */
- (void) umask(066); /* paranoia */
- if (geteuid() != 0) {
- (void) fprintf(stderr, "%s must be run as root\n", argv[0]);
- exit(1);
- }
- setmodulus(HEXMODULUS);
- openstore();
- getrootkey(&masterkey, nflag);
- readkeys();
-
- /*
- * create the service, register it, and run
- */
- transp = svcudp_create(RPC_ANYSOCK);
- if (transp == NULL) {
- (void) fprintf(stderr,
- "%s: unable to create udp service\n", argv[0]);
- exit(1);
- }
- pmap_unset(KEY_PROG, KEY_VERS);
- if (!svc_register(transp, KEY_PROG, KEY_VERS, keyprogram,
- IPPROTO_UDP)) {
- (void) fprintf(stderr, "%s: unable to register service\n",
- argv[0]);
- exit(1);
- }
- /*
- * run
- */
- if (!debugging) {
- detachfromtty();
- }
- svc_run();
- abort();
-}
-
-/*
- * In the event that we don't get a root password, we try to randomize the
- * master key the best we can
- */
-randomize(master)
- des_block *master;
-{
- int i;
- int seed;
- struct timeval tv;
- int shift;
-
- seed = 0;
- for (i = 0; i < 1024; i++) {
- (void) gettimeofday(&tv, (struct timezone *) NULL);
- shift = i % 8 * sizeof(int);
- seed ^= (tv.tv_usec << shift) | (tv.tv_usec >> (32 - shift));
- }
- srandom(seed);
- master->key.low = random();
- master->key.high = random();
- srandom(seed);
-}
-
-
-
-/*
- * Try to get root's secret key, by prompting if terminal is a tty, else trying
- * from standard input.
- */
-getrootkey(master, prompt)
- des_block *master;
- int prompt;
-{
- char *getpass();
- char *passwd;
- char name[MAXNETNAMELEN + 1];
- char secret[HEXKEYBYTES + 1];
- char *crypt();
- int fd;
-
- if (!prompt) {
- /*
- * Read secret key out of $ROOTKEY
- */
- fd = open(ROOTKEY, O_RDONLY, 0);
- if (fd < 0) {
- randomize(master);
- return (0);
- }
- if (read(fd, secret, HEXKEYBYTES) < 0) {
- (void) fprintf(stderr, "Invalid %s\n", ROOTKEY);
- (void) close(fd);
- return (0);
- }
- (void) close(fd);
- secret[HEXKEYBYTES] = 0;
- } else {
- /*
- * Decrypt yellow pages entry to get secret key
- */
- passwd = getpass("root password:");
- passwd2des(passwd, master);
- getnetname(name);
- if (!getsecretkey(name, secret, passwd)) {
- (void) fprintf(stderr,
- "Can't find %s's secret key\n", name);
- return (0);
- }
- if (secret[0] == 0) {
- (void) fprintf(stderr,
- "Invalid password for %s\n", name);
- return (0);
- }
- }
- (void) pk_setkey(0, secret);
- return (1);
-}
-
-
-/*
- * Procedures to implement RPC service
- */
-
-char *
-strstatus(status)
- keystatus status;
-{
- switch (status) {
- case KEY_SUCCESS:
- return ("KEY_SUCCESS");
- case KEY_NOSECRET:
- return ("KEY_NOSECRET");
- case KEY_UNKNOWN:
- return ("KEY_UNKNOWN");
- case KEY_SYSTEMERR:
- return ("KEY_SYSTEMERR");
- default:
- return ("(bad result code)");
- }
-}
-
-keystatus *
-key_set_1(uid, key)
- short uid;
- keybuf key;
-{
- static keystatus status;
-
- if (debugging) {
- (void) fprintf(stderr, "set(%d, %.*s) = ", uid,
- sizeof(keybuf), key);
- }
- status = pk_setkey(uid, key);
- if (debugging) {
- (void) fprintf(stderr, "%s\n", strstatus(status));
- (void) fflush(stderr);
- }
- return (&status);
-}
-
-
-
-cryptkeyres *
-key_encrypt_1(uid, arg)
- short uid;
- cryptkeyarg *arg;
-{
- static cryptkeyres res;
-
- if (debugging) {
- (void) fprintf(stderr, "encrypt(%d, %s, %08x%08x) = ", uid,
- arg->remotename, arg->deskey.key.high,
- arg->deskey.key.low);
- }
- res.cryptkeyres_u.deskey = arg->deskey;
- res.status = pk_encrypt(uid, arg->remotename, &res.cryptkeyres_u.deskey);
- if (debugging) {
- if (res.status == KEY_SUCCESS) {
- (void) fprintf(stderr, "%08x%08x\n",
- res.cryptkeyres_u.deskey.key.high,
- res.cryptkeyres_u.deskey.key.low);
- } else {
- (void) fprintf(stderr,
- "%s\n", strstatus(res.status));
- }
- (void) fflush(stderr);
- }
- return (&res);
-}
-
-cryptkeyres *
-key_decrypt_1(uid, arg)
- short uid;
- cryptkeyarg *arg;
-{
- static cryptkeyres res;
-
- if (debugging) {
- (void) fprintf(stderr, "decrypt(%d, %s, %08x%08x) = ", uid,
- arg->remotename, arg->deskey.key.high,
- arg->deskey.key.low);
- }
- res.cryptkeyres_u.deskey = arg->deskey;
- res.status = pk_decrypt(uid, arg->remotename,
- &res.cryptkeyres_u.deskey);
- if (debugging) {
- if (res.status == KEY_SUCCESS) {
- (void) fprintf(stderr, "%08x%08x\n",
- res.cryptkeyres_u.deskey.key.high,
- res.cryptkeyres_u.deskey.key.low);
- } else {
- (void) fprintf(stderr, "%s\n", strstatus(res.status));
- }
- (void) fflush(stderr);
- }
- return (&res);
-}
-
-des_block *
-key_gen_1()
-{
- struct timeval time;
- static des_block keygen;
- static des_block key;
-
- (void) gettimeofday(&time, (struct timezone *) NULL);
- keygen.key.high += (time.tv_sec ^ time.tv_usec);
- keygen.key.low += (time.tv_sec ^ time.tv_usec);
- ecb_crypt(&masterkey, &keygen, sizeof(keygen), DES_ENCRYPT | DES_HW);
- key = keygen;
- des_setparity(&key);
- if (debugging) {
- (void) fprintf(stderr, "gen() = %08x%08x\n", key.key.high,
- key.key.low);
- (void) fflush(stderr);
- }
- return (&key);
-}
-
-/* ARGSUSED */
-getcredres *
-key_getcred_1(uid, name)
- short uid;
- netnamestr *name;
-{
- static getcredres res;
- static int gids[NGROUPS];
- struct unixcred *cred;
-
- cred = &res.getcredres_u.cred;
- cred->gids.gids_val = gids;
- if (!netname2user(*name, &cred->uid, &cred->gid,
- &cred->gids.gids_len, gids)) {
- res.status = KEY_UNKNOWN;
- } else {
- res.status = KEY_SUCCESS;
- }
- if (debugging) {
- (void) fprintf(stderr, "getcred(%s) = ", *name);
- if (res.status == KEY_SUCCESS) {
- (void) fprintf(stderr, "uid=%d,gid=%d,grouplen=%d\n",
- cred->uid, cred->gid, cred->gids.gids_len);
- } else {
- (void) fprintf(stderr, "%s\n", strstatus(res.status));
- }
- (void) fflush(stderr);
- }
- return (&res);
-}
-
-
-/*
- * RPC boilerplate
- */
-static void
-keyprogram(rqstp, transp)
- struct svc_req *rqstp;
- SVCXPRT *transp;
-{
- union {
- keybuf key_set_1_arg;
- cryptkeyarg key_encrypt_1_arg;
- cryptkeyarg key_decrypt_1_arg;
- des_block key_gen_1_arg;
- } argument;
- char *result;
-
- bool_t(*xdr_argument) (), (*xdr_result) ();
- char *(*local) ();
- struct sockaddr_in remote;
- int uid;
- int check_auth;
-
- switch (rqstp->rq_proc) {
- case NULLPROC:
- svc_sendreply(transp, xdr_void, (char *) NULL);
- return;
-
- case KEY_SET:
- xdr_argument = xdr_keybuf;
- xdr_result = xdr_int;
- local = (char *(*)()) key_set_1;
- check_auth = 1;
- break;
-
- case KEY_ENCRYPT:
- xdr_argument = xdr_cryptkeyarg;
- xdr_result = xdr_cryptkeyres;
- local = (char *(*)()) key_encrypt_1;
- check_auth = 1;
- break;
-
- case KEY_DECRYPT:
- xdr_argument = xdr_cryptkeyarg;
- xdr_result = xdr_cryptkeyres;
- local = (char *(*)()) key_decrypt_1;
- check_auth = 1;
- break;
-
- case KEY_GEN:
- xdr_argument = xdr_void;
- xdr_result = xdr_des_block;
- local = (char *(*)()) key_gen_1;
- check_auth = 0;
- break;
-
- case KEY_GETCRED:
- xdr_argument = xdr_netnamestr;
- xdr_result = xdr_getcredres;
- local = (char *(*)()) key_getcred_1;
- check_auth = 0;
- break;
-
- default:
- svcerr_noproc(transp);
- return;
- }
- if (check_auth) {
- remote = *svc_getcaller(transp);
- if (ntohs(remote.sin_port) >= IPPORT_RESERVED ||
- ntohl(remote.sin_addr.s_addr) != INADDR_LOOPBACK) {
- if (debugging) {
- (void) fprintf(stderr,
- "not local privileged process\n");
- }
- svcerr_weakauth(transp);
- return;
- }
- if (rqstp->rq_cred.oa_flavor != AUTH_UNIX) {
- if (debugging) {
- (void) fprintf(stderr,
- "not unix authentication\n");
- }
- svcerr_weakauth(transp);
- return;
- }
- uid = ((struct authunix_parms *) rqstp->rq_clntcred)->aup_uid;
- }
- bzero((char *) &argument, sizeof(argument));
- if (!svc_getargs(transp, xdr_argument, &argument)) {
- svcerr_decode(transp);
- return;
- }
- result = (*local) (uid, &argument);
- if (!svc_sendreply(transp, xdr_result, (char *) result)) {
- (void) fprintf(stderr, "unable to reply\n");
- svcerr_systemerr(transp);
- }
- if (!svc_freeargs(transp, xdr_argument, &argument)) {
- (void) fprintf(stderr, "unable to free arguments\n");
- exit(1);
- }
-}
OpenPOWER on IntegriCloud