diff options
Diffstat (limited to 'crypto/kerberosIV/appl/kauth/rkinit.c')
| -rw-r--r-- | crypto/kerberosIV/appl/kauth/rkinit.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/crypto/kerberosIV/appl/kauth/rkinit.c b/crypto/kerberosIV/appl/kauth/rkinit.c deleted file mode 100644 index cac62c9..0000000 --- a/crypto/kerberosIV/appl/kauth/rkinit.c +++ /dev/null @@ -1,226 +0,0 @@ -/* - * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * 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. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 THE INSTITUTE 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. - */ - -#include "kauth.h" - -RCSID("$Id: rkinit.c,v 1.22.2.1 1999/12/06 17:27:56 assar Exp $"); - -static struct in_addr * -getalladdrs (char *hostname, unsigned *count) -{ - struct hostent *hostent; - struct in_addr **h; - struct in_addr *addr; - unsigned naddr; - unsigned maxaddr; - - hostent = gethostbyname (hostname); - if (hostent == NULL) { - warnx ("gethostbyname '%s' failed: %s\n", - hostname, - hstrerror(h_errno)); - return NULL; - } - maxaddr = 1; - naddr = 0; - addr = malloc(sizeof(*addr) * maxaddr); - if (addr == NULL) { - warnx ("out of memory"); - return NULL; - } - for (h = (struct in_addr **)(hostent->h_addr_list); - *h != NULL; - h++) { - if (naddr >= maxaddr) { - maxaddr *= 2; - addr = realloc (addr, sizeof(*addr) * maxaddr); - if (addr == NULL) { - warnx ("out of memory"); - return NULL; - } - } - addr[naddr++] = **h; - } - addr = realloc (addr, sizeof(*addr) * naddr); - if (addr == NULL) { - warnx ("out of memory"); - return NULL; - } - *count = naddr; - return addr; -} - -static int -doit_host (krb_principal *princ, int lifetime, char *locuser, - char *tktfile, des_cblock *key, int s, char *hostname) -{ - char buf[BUFSIZ]; - int inlen; - KTEXT_ST text; - CREDENTIALS cred; - MSG_DAT msg; - int status; - des_key_schedule schedule; - struct sockaddr_in thisaddr, thataddr; - int addrlen; - void *ret; - - addrlen = sizeof(thisaddr); - if (getsockname (s, (struct sockaddr *)&thisaddr, &addrlen) < 0 || - addrlen != sizeof(thisaddr)) { - warn ("getsockname(%s)", hostname); - return 1; - } - addrlen = sizeof(thataddr); - if (getpeername (s, (struct sockaddr *)&thataddr, &addrlen) < 0 || - addrlen != sizeof(thataddr)) { - warn ("getpeername(%s)", hostname); - return 1; - } - - if (krb_get_config_bool("nat_in_use")) { - struct in_addr natAddr; - - if (krb_get_our_ip_for_realm(krb_realmofhost(hostname), - &natAddr) == KSUCCESS - || krb_get_our_ip_for_realm (NULL, &natAddr) == KSUCCESS) - thisaddr.sin_addr = natAddr; - } - - status = krb_sendauth (KOPT_DO_MUTUAL, s, &text, "rcmd", - hostname, krb_realmofhost (hostname), - getpid(), &msg, &cred, schedule, - &thisaddr, &thataddr, KAUTH_VERSION); - if (status != KSUCCESS) { - warnx ("%s: %s\n", hostname, krb_get_err_text(status)); - return 1; - } - inlen = pack_args (buf, sizeof(buf), - princ, lifetime, locuser, tktfile); - if (inlen < 0) { - warn ("cannot marshall arguments to %s", hostname); - return 1; - } - - if (write_encrypted(s, buf, inlen, schedule, &cred.session, - &thisaddr, &thataddr) < 0) { - warn ("write to %s", hostname); - return 1; - } - - inlen = read_encrypted (s, buf, sizeof(buf), &ret, schedule, - &cred.session, &thataddr, &thisaddr); - if (inlen < 0) { - warn ("read from %s failed", hostname); - return 1; - } - - if (strncmp(ret, "ok", inlen) != 0) { - warnx ("error from %s: %.*s\n", - hostname, inlen, (char *)ret); - return 1; - } - - inlen = read_encrypted (s, buf, sizeof(buf), &ret, schedule, - &cred.session, &thataddr, &thisaddr); - if (inlen < 0) { - warn ("read from %s", hostname); - return 1; - } - - { - des_key_schedule key_s; - - des_key_sched(key, key_s); - des_pcbc_encrypt(ret, ret, inlen, key_s, key, DES_DECRYPT); - memset(key_s, 0, sizeof(key_s)); - } - write_encrypted (s, ret, inlen, schedule, &cred.session, - &thisaddr, &thataddr); - - inlen = read_encrypted (s, buf, sizeof(buf), &ret, schedule, - &cred.session, &thataddr, &thisaddr); - if (inlen < 0) { - warn ("read from %s", hostname); - return 1; - } - - if (strncmp(ret, "ok", inlen) != 0) { - warnx ("error from %s: %.*s\n", - hostname, inlen, (char *)ret); - return 1; - } - return 0; -} - -int -rkinit (krb_principal *princ, int lifetime, char *locuser, - char *tktfile, des_cblock *key, char *hostname) -{ - struct in_addr *addr; - unsigned naddr; - unsigned i; - int port; - int success; - - addr = getalladdrs (hostname, &naddr); - if (addr == NULL) - return 1; - port = k_getportbyname ("kauth", "tcp", htons(KAUTH_PORT)); - success = 0; - for (i = 0; !success && i < naddr; ++i) { - struct sockaddr_in a; - int s; - - memset(&a, 0, sizeof(a)); - a.sin_family = AF_INET; - a.sin_port = port; - a.sin_addr = addr[i]; - - s = socket (AF_INET, SOCK_STREAM, 0); - if (s < 0) { - warn("socket"); - return 1; - } - if (connect(s, (struct sockaddr *)&a, sizeof(a)) < 0) { - warn("connect(%s)", hostname); - continue; - } - - success = success || !doit_host (princ, lifetime, - locuser, tktfile, key, - s, hostname); - close (s); - } - return !success; -} |
