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authorTodd C. Miller <millert@cvs.openbsd.org>2001-06-28 22:45:36 +0000
committerTodd C. Miller <millert@cvs.openbsd.org>2001-06-28 22:45:36 +0000
commit70e1e7de79f4ab065c56f7aab13d18b8473f0ed1 (patch)
treef4fb5be27e78b1ef1263b7219c0ae9bc0c9ae52e /usr.bin/login
parent55ff41258048c2162ac6129e0fb5901132c89285 (diff)
No longer used now that we do BSD auth
Diffstat (limited to 'usr.bin/login')
-rw-r--r--usr.bin/login/k5login.c261
-rw-r--r--usr.bin/login/klogin.c311
2 files changed, 0 insertions, 572 deletions
diff --git a/usr.bin/login/k5login.c b/usr.bin/login/k5login.c
deleted file mode 100644
index 707d13b796d..00000000000
--- a/usr.bin/login/k5login.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/* $OpenBSD: k5login.c,v 1.2 1996/06/26 05:36:00 deraadt Exp $ */
-/* $NetBSD: k5login.c,v 1.2 1994/12/23 06:52:58 jtc Exp $ */
-
-/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * 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 the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)klogin.c 5.11 (Berkeley) 7/12/92";
-#endif
-static char rcsid[] = "$OpenBSD: k5login.c,v 1.2 1996/06/26 05:36:00 deraadt Exp $";
-#endif /* not lint */
-
-#ifdef KERBEROS5
-#include <sys/param.h>
-#include <sys/syslog.h>
-#include <com_err.h>
-#include <krb5/krb5.h>
-#include <krb5/ext-proto.h>
-#include <krb5/los-proto.h>
-#include <pwd.h>
-#include <netdb.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#define KRB5_DEFAULT_OPTIONS 0
-#define KRB5_DEFAULT_LIFE 60*60*10 /* 10 hours */
-
-krb5_data tgtname = {
- KRB5_TGS_NAME_SIZE,
- KRB5_TGS_NAME
-};
-
-/*
- * Try no preauthentication first; then try the encrypted timestamp
- */
-int preauth_search_list[] = {
- 0,
- KRB5_PADATA_ENC_TIMESTAMP,
- -1
- };
-
-extern int notickets;
-extern char *krbtkfile_env;
-extern char *tty;
-
-static char tkt_location[MAXPATHLEN];
-
-/*
- * Attempt to log the user in using Kerberos authentication
- *
- * return 0 on success (will be logged in)
- * 1 if Kerberos failed (try local password in login)
- */
-int
-klogin(pw, instance, localhost, password)
- struct passwd *pw;
- char *instance, *localhost, *password;
-{
- krb5_error_code kerror;
- krb5_address **my_addresses;
- krb5_principal me, server;
- krb5_creds my_creds;
- krb5_timestamp now;
- krb5_ccache ccache = NULL;
- int preauth_type = -1;
- long lifetime = KRB5_DEFAULT_LIFE;
- int options = KRB5_DEFAULT_OPTIONS;
- int i;
- char *realm, *client_name;
- char *principal;
-
-#ifdef SKEY
- /*
- * We don't do s/key challenge and Kerberos at the same time
- */
- if (strcasecmp(password, "s/key") == 0) {
- return (1);
- }
-#endif
-
- krb5_init_ets();
-
- /*
- * Root logins don't use Kerberos.
- * If we have a realm, try getting a ticket-granting ticket
- * and using it to authenticate. Otherwise, return
- * failure so that we can try the normal passwd file
- * for a password. If that's ok, log the user in
- * without issuing any tickets.
- */
- if (strcmp(pw->pw_name, "root") == 0 ||
- krb5_get_default_realm(&realm))
- return (1);
-
- /*
- * get TGT for local realm
- * tickets are stored in a file named TKT_ROOT plus uid
- * except for user.root tickets.
- */
-
- if (strcmp(instance, "root") != 0)
- (void)sprintf(tkt_location, "FILE:/tmp/krb5cc_%d.%s",
- pw->pw_uid, tty);
- else
- (void)sprintf(tkt_location, "FILE:/tmp/krb5cc_root_%d.%s",
- pw->pw_uid, tty);
- krbtkfile_env = tkt_location;
-
- principal = malloc(strlen(pw->pw_name)+strlen(instance)+2);
- strcpy(principal, pw->pw_name);
- if (strlen(instance)) {
- strcat(principal, "/");
- strcat(principal, instance);
- }
-
- if (kerror = krb5_cc_resolve(tkt_location, &ccache)) {
- syslog(LOG_NOTICE, "warning: %s while getting default ccache",
- error_message(kerror));
- return(1);
- }
-
- if (kerror = krb5_parse_name(principal, &me)) {
- syslog(LOG_NOTICE, "warning: %s when parsing name %s",
- error_message(kerror), principal);
- return(1);
- }
-
- if (kerror = krb5_unparse_name(me, &client_name)) {
- syslog(LOG_NOTICE, "warning: %s when unparsing name %s",
- error_message(kerror), principal);
- return(1);
- }
-
- kerror = krb5_cc_initialize (ccache, me);
- if (kerror != 0) {
- syslog(LOG_NOTICE, "%s when initializing cache %s",
- error_message(kerror), tkt_location);
- return(1);
- }
-
- memset((char *)&my_creds, 0, sizeof(my_creds));
-
- my_creds.client = me;
-
- if (kerror = krb5_build_principal_ext(&server,
- krb5_princ_realm(me)->length,
- krb5_princ_realm(me)->data,
- tgtname.length, tgtname.data,
- krb5_princ_realm(me)->length,
- krb5_princ_realm(me)->data,
- 0)) {
- syslog(LOG_NOTICE, "%s while building server name",
- error_message(kerror));
- return(1);
- }
-
- my_creds.server = server;
-
- kerror = krb5_os_localaddr(&my_addresses);
- if (kerror != 0) {
- syslog(LOG_NOTICE, "%s when getting my address",
- error_message(kerror));
- return(1);
- }
-
- if (kerror = krb5_timeofday(&now)) {
- syslog(LOG_NOTICE, "%s while getting time of day",
- error_message(kerror));
- return(1);
- }
- my_creds.times.starttime = 0; /* start timer when request
- gets to KDC */
- my_creds.times.endtime = now + lifetime;
- my_creds.times.renew_till = 0;
-
- for (i=0; preauth_search_list[i] >= 0; i++) {
- kerror = krb5_get_in_tkt_with_password(options, my_addresses,
- preauth_search_list[i],
- ETYPE_DES_CBC_CRC,
- KEYTYPE_DES,
- password,
- ccache,
- &my_creds, 0);
- if (kerror != KRB5KDC_PREAUTH_FAILED &&
- kerror != KRB5KRB_ERR_GENERIC)
- break;
- }
-
- krb5_free_principal(server);
- krb5_free_addresses(my_addresses);
-
- if (chown(&tkt_location[5], pw->pw_uid, pw->pw_gid) < 0)
- syslog(LOG_ERR, "chown tkfile (%s): %m", &tkt_location[5]);
-
- if (kerror) {
- if (kerror == KRB5KRB_AP_ERR_BAD_INTEGRITY)
- printf("%s: Kerberos Password incorrect\n", principal);
- else
- printf("%s while getting initial credentials\n", error_message(kerror));
-
- return(1);
- }
-
- /* Success */
- notickets = 0;
- return(0);
-}
-
-/*
- * Remove any credentials
- */
-void
-kdestroy()
-{
- krb5_error_code code;
- krb5_ccache ccache = NULL;
-
- if (krbtkfile_env == NULL)
- return;
-
- code = krb5_cc_resolve(krbtkfile_env, &ccache);
- if (!code) {
- code = krb5_cc_destroy(ccache);
- if (!code) {
- krb5_cc_close(ccache);
- }
- }
-}
-#endif
diff --git a/usr.bin/login/klogin.c b/usr.bin/login/klogin.c
deleted file mode 100644
index af273532e01..00000000000
--- a/usr.bin/login/klogin.c
+++ /dev/null
@@ -1,311 +0,0 @@
-/* $OpenBSD: klogin.c,v 1.11 2000/12/02 22:44:36 hin Exp $ */
-/* $NetBSD: klogin.c,v 1.7 1996/05/21 22:07:04 mrg Exp $ */
-
-/*-
- * Copyright (c) 1990, 1993, 1994
- * The Regents of the University of California. 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 the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)klogin.c 8.3 (Berkeley) 4/2/94";
-#endif
-static char rcsid[] = "$OpenBSD: klogin.c,v 1.11 2000/12/02 22:44:36 hin Exp $";
-#endif /* not lint */
-
-#ifdef KERBEROS
-#include <sys/param.h>
-#include <sys/syslog.h>
-#include <des.h>
-#include <kerberosIV/krb.h>
-#include <kerberosIV/kafs.h>
-
-#include <err.h>
-#include <netdb.h>
-#include <pwd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#define INITIAL_TICKET "krbtgt"
-#define VERIFY_SERVICE "rcmd"
-
-extern int notickets;
-extern char *krbtkfile_env;
-extern char *tty;
-
-static char tkt_location[MAXPATHLEN]; /* a pointer to this is returned... */
-
-/*
- * Attempt to log the user in using Kerberos authentication
- *
- * return 0 on success (will be logged in)
- * 1 if Kerberos failed (try local password in login)
- */
-int
-klogin(pw, instance, localhost, password)
- struct passwd *pw;
- char *instance, *localhost, *password;
-{
- int kerror, fd;
- AUTH_DAT authdata;
- KTEXT_ST ticket;
- struct hostent *hp;
- unsigned long faddr;
- char realm[REALM_SZ], savehost[MAXHOSTNAMELEN];
- char *krb_get_phost();
-
-#ifdef SKEY
- /*
- * We don't do s/key challenge and Kerberos at the same time
- */
- if (strcasecmp(password, "s/key") == 0) {
- return (1);
- }
-#endif
-
- /* If no srvtab file exists, fail immediatly. This will make
- * login _much_ quicker on systems with sporadical contact with
- * the outside world.
- * We should really change the semantics for enabling kerberos.
- */
- if((fd = open(KEYFILE, O_RDONLY, 0)) < 0)
- return 1;
- close(fd);
-
- /*
- * Root logins don't use Kerberos (or at least shouldn't be
- * sending kerberos passwords around in cleartext), so don't
- * allow any root logins here (keeping in mind that we only
- * get here with a password).
- *
- * If we have a realm, try getting a ticket-granting ticket
- * and using it to authenticate. Otherwise, return
- * failure so that we can try the normal passwd file
- * for a password. If that's ok, log the user in
- * without issuing any tickets.
- */
- if (pw->pw_uid == 0 || krb_get_lrealm(realm, 0) != KSUCCESS)
- return (1);
-
- /*
- * get TGT for local realm
- * tickets are stored in a file named TKT_ROOT plus uid plus tty
- * except for user.root tickets.
- */
-
- if (strcmp(instance, "root") != 0)
- snprintf(tkt_location, sizeof(tkt_location), "%s%d",
- TKT_ROOT, pw->pw_uid);
- else
- snprintf(tkt_location, sizeof(tkt_location), "%s_root_%d.%s",
- TKT_ROOT, pw->pw_uid, tty);
- krbtkfile_env = tkt_location;
- (void)krb_set_tkt_string(tkt_location);
-
- /*
- * Set real as well as effective ID to 0 for the moment,
- * to make the kerberos library do the right thing.
- */
- if (setuid(0) < 0) {
- warnx("setuid");
- return (1);
- }
- kerror = krb_get_pw_in_tkt(pw->pw_name, instance,
- realm, INITIAL_TICKET, realm, DEFAULT_TKT_LIFE, password);
- /*
- * If we got a TGT, get a local "rcmd" ticket and check it so as to
- * ensure that we are not talking to a bogus Kerberos server.
- *
- * There are 2 cases where we still allow a login:
- * 1: the VERIFY_SERVICE doesn't exist in the KDC
- * 2: local host has no srvtab, as (hopefully) indicated by a
- * return value of RD_AP_UNDEC from krb_rd_req().
- */
- if (kerror != INTK_OK) {
- if (kerror != INTK_BADPW && kerror != KDC_PR_UNKNOWN) {
- syslog(LOG_ERR, "Kerberos intkt error: %s",
- krb_err_txt[kerror]);
- dest_tkt();
- }
- return (1);
- }
-
- /*
- * Set the owner of the ticket file to root but bail if someone
- * has nefariously swapped a link in place of the file.
- */
- fd = open(TKT_FILE, O_RDWR|O_NOFOLLOW, 0);
- if (fd == -1) {
- syslog(LOG_ERR, "unable to open ticket file: %m");
- dest_tkt();
- return (1);
- }
- if (fchown(fd, pw->pw_uid, pw->pw_gid) < 0)
- syslog(LOG_ERR, "fchown tkfile (%s): %m", TKT_FILE);
- close(fd);
-
- (void)strlcpy(savehost, krb_get_phost(localhost), sizeof(savehost));
-
- /*
- * if the "VERIFY_SERVICE" doesn't exist in the KDC for this host,
- * still allow login with tickets, but log the error condition.
- */
-
- kerror = krb_mk_req(&ticket, VERIFY_SERVICE, savehost, realm, 33);
- if (kerror == KDC_PR_UNKNOWN) {
- syslog(LOG_NOTICE,
- "warning: TGT not verified (%s); %s.%s not registered, or srvtab is wrong?",
- krb_err_txt[kerror], VERIFY_SERVICE, savehost);
- notickets = 0;
- /*
- * but for security, don't allow root instances in under
- * this condition!
- */
- if (strcmp(instance, "root") == 0) {
- syslog(LOG_ERR, "Kerberos %s root instance login refused",
- pw->pw_name);
- dest_tkt();
- return (1);
- }
- /* Otherwise, leave ticket around, but make sure
- * password matches the Unix password. */
- return (1);
- }
-
- if (kerror != KSUCCESS) {
- warnx("unable to use TGT: (%s)", krb_err_txt[kerror]);
- syslog(LOG_NOTICE, "unable to use TGT: (%s)",
- krb_err_txt[kerror]);
- dest_tkt();
- return (1);
- }
-
- if (!(hp = gethostbyname(localhost))) {
- syslog(LOG_ERR, "couldn't get local host address");
- dest_tkt();
- return (1);
- }
-
- memmove((void *)&faddr, (void *)hp->h_addr, sizeof(faddr));
-
- kerror = krb_rd_req(&ticket, VERIFY_SERVICE, savehost, faddr,
- &authdata, "");
-
- if (kerror == KSUCCESS) {
- notickets = 0;
- return (0);
- }
-
- /* undecipherable: probably didn't have a srvtab on the local host */
- if (kerror == RD_AP_UNDEC) {
- syslog(LOG_NOTICE, "krb_rd_req: (%s)", krb_err_txt[kerror]);
- dest_tkt();
- return (1);
- }
- /* failed for some other reason */
- warnx("unable to verify %s ticket: (%s)", VERIFY_SERVICE,
- krb_err_txt[kerror]);
- syslog(LOG_NOTICE, "couldn't verify %s ticket: %s", VERIFY_SERVICE,
- krb_err_txt[kerror]);
- dest_tkt();
- return (1);
-}
-
-void
-kgettokens(homedir)
- char *homedir;
-{
- /* buy AFS-tokens for homedir */
- if (k_hasafs()) {
- char cell[128];
- k_setpag();
- if (k_afs_cell_of_file(homedir,
- cell, sizeof(cell)) == 0)
- krb_afslog(cell, 0);
- krb_afslog(0, 0);
- }
-}
-
-void
-kdestroy()
-{
- char *file = krbtkfile_env;
- int i, fd;
- extern int errno;
- struct stat statb;
- char buf[BUFSIZ];
-
- if (k_hasafs())
- k_unlog();
-
- if (krbtkfile_env == NULL)
- return;
-
- errno = 0;
- if (lstat(file, &statb) < 0)
- goto out;
-
- if (!(statb.st_mode & S_IFREG)
-#ifdef notdef
- || statb.st_mode & 077
-#endif
- )
- goto out;
-
- if ((fd = open(file, O_RDWR, 0)) < 0)
- goto out;
-
- bzero(buf, sizeof(buf));
-
- for (i = 0; i < statb.st_size; i += BUFSIZ)
- if (write(fd, buf, BUFSIZ) != BUFSIZ) {
- (void) fsync(fd);
- (void) close(fd);
- goto out;
- }
-
- (void) fsync(fd);
- (void) close(fd);
-
- (void) unlink(file);
-
-out:
- if (errno != 0) return;
-
- return;
-}
-#endif