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authorDamien Miller <djm@mindrot.org>1999-12-06 11:47:28 +1100
committerDamien Miller <djm@mindrot.org>1999-12-06 11:47:28 +1100
commitaae6c614da614eb10ced16505f35410671c95d9d (patch)
tree441e578781d38e7de4c5f609a4f86695d937e640 /auth-passwd.c
parentdc33fc3910552c82518503b581efc1a51192fa76 (diff)
- Merged OpenBSD CVS changes:
- [auth-krb4.c auth-passwd.c auth-skey.c ssh. move skey-auth from auth-passwd.c to auth-s - [auth-rsa.c] warn only about mismatch if key is _used_ warn about keysize-mismatch with log() not channels.c readconf.c readconf.h ssh.c ssh. ports are u_short - [hostfile.c] indent, shorter warning - [nchan.c] use error() for internal errors - [packet.c] set loglevel for SSH_MSG_DISCONNECT to log( serverloop.c indent - [ssh-add.1 ssh-add.c ssh.h] document , reasonable default - [ssh.1] CheckHostIP is not available for connects v - [sshconnect.c] typo easier to read client code for passwd and s turn of checkhostip for proxy connects, sin
Diffstat (limited to 'auth-passwd.c')
-rw-r--r--auth-passwd.c133
1 files changed, 10 insertions, 123 deletions
diff --git a/auth-passwd.c b/auth-passwd.c
index e5574ffb..efae0fd2 100644
--- a/auth-passwd.c
+++ b/auth-passwd.c
@@ -11,7 +11,7 @@
#ifndef HAVE_PAM
-RCSID("$Id: auth-passwd.c,v 1.7 1999/11/25 00:54:57 damien Exp $");
+RCSID("$Id: auth-passwd.c,v 1.8 1999/12/06 00:47:28 damien Exp $");
#include "packet.h"
#include "ssh.h"
@@ -49,133 +49,20 @@ auth_password(struct passwd * pw, const char *password)
#ifdef SKEY
if (options.skey_authentication == 1) {
- if (strncasecmp(password, "s/key", 5) == 0) {
- char *skeyinfo = skey_keyinfo(pw->pw_name);
- if (skeyinfo == NULL) {
- debug("generating fake skeyinfo for %.100s.",
- pw->pw_name);
- skeyinfo = skey_fake_keyinfo(pw->pw_name);
- }
- if (skeyinfo != NULL)
- packet_send_debug(skeyinfo);
- /* Try again. */
- return 0;
- } else if (skey_haskey(pw->pw_name) == 0 &&
- skey_passcheck(pw->pw_name, (char *) password) != -1) {
- /* Authentication succeeded. */
- return 1;
- }
+ int ret = auth_skey_password(pw, password);
+ if (ret == 1 || ret == 0)
+ return ret;
/* Fall back to ordinary passwd authentication. */
}
#endif
-
-#if defined(KRB4)
- /*
- * Support for Kerberos v4 authentication
- * - Dug Song <dugsong@UMICH.EDU>
- */
- if (options.kerberos_authentication) {
- AUTH_DAT adata;
- KTEXT_ST tkt;
- struct hostent *hp;
- unsigned long faddr;
- char localhost[MAXHOSTNAMELEN];
- char phost[INST_SZ];
- char realm[REALM_SZ];
- int r;
-
- /*
- * Try Kerberos password authentication only for non-root
- * users and only if Kerberos is installed.
- */
- if (pw->pw_uid != 0 && krb_get_lrealm(realm, 1) == KSUCCESS) {
-
- /* Set up our ticket file. */
- if (!krb4_init(pw->pw_uid)) {
- log("Couldn't initialize Kerberos ticket file for %s!",
- pw->pw_name);
- goto kerberos_auth_failure;
- }
- /* Try to get TGT using our password. */
- r = krb_get_pw_in_tkt((char *) pw->pw_name, "",
- realm, "krbtgt", realm,
- DEFAULT_TKT_LIFE, (char *) password);
- if (r != INTK_OK) {
- packet_send_debug("Kerberos V4 password "
- "authentication for %s failed: %s",
- pw->pw_name, krb_err_txt[r]);
- goto kerberos_auth_failure;
- }
- /* Successful authentication. */
- chown(tkt_string(), pw->pw_uid, pw->pw_gid);
-
- /*
- * Now that we have a TGT, try to get a local
- * "rcmd" ticket to ensure that we are not talking
- * to a bogus Kerberos server.
- */
- (void) gethostname(localhost, sizeof(localhost));
- (void) strlcpy(phost, (char *) krb_get_phost(localhost),
- INST_SZ);
- r = krb_mk_req(&tkt, KRB4_SERVICE_NAME, phost, realm, 33);
-
- if (r == KSUCCESS) {
- if (!(hp = gethostbyname(localhost))) {
- log("Couldn't get local host address!");
- goto kerberos_auth_failure;
- }
- memmove((void *) &faddr, (void *) hp->h_addr,
- sizeof(faddr));
-
- /* Verify our "rcmd" ticket. */
- r = krb_rd_req(&tkt, KRB4_SERVICE_NAME, phost,
- faddr, &adata, "");
- if (r == RD_AP_UNDEC) {
- /*
- * Probably didn't have a srvtab on
- * localhost. Allow login.
- */
- log("Kerberos V4 TGT for %s unverifiable, "
- "no srvtab installed? krb_rd_req: %s",
- pw->pw_name, krb_err_txt[r]);
- } else if (r != KSUCCESS) {
- log("Kerberos V4 %s ticket unverifiable: %s",
- KRB4_SERVICE_NAME, krb_err_txt[r]);
- goto kerberos_auth_failure;
- }
- } else if (r == KDC_PR_UNKNOWN) {
- /*
- * Allow login if no rcmd service exists, but
- * log the error.
- */
- log("Kerberos V4 TGT for %s unverifiable: %s; %s.%s "
- "not registered, or srvtab is wrong?", pw->pw_name,
- krb_err_txt[r], KRB4_SERVICE_NAME, phost);
- } else {
- /*
- * TGT is bad, forget it. Possibly spoofed!
- */
- packet_send_debug("WARNING: Kerberos V4 TGT "
- "possibly spoofed for %s: %s",
- pw->pw_name, krb_err_txt[r]);
- goto kerberos_auth_failure;
- }
-
- /* Authentication succeeded. */
- return 1;
-
- kerberos_auth_failure:
- krb4_cleanup_proc(NULL);
-
- if (!options.kerberos_or_local_passwd)
- return 0;
- } else {
- /* Logging in as root or no local Kerberos realm. */
- packet_send_debug("Unable to authenticate to Kerberos.");
- }
+#ifdef KRB4
+ if (options.kerberos_authentication == 1) {
+ int ret = auth_krb4_password(pw, password);
+ if (ret == 1 || ret == 0)
+ return ret;
/* Fall back to ordinary passwd authentication. */
}
-#endif /* KRB4 */
+#endif
/* Check for users with no password. */
if (strcmp(password, "") == 0 && strcmp(pw->pw_passwd, "") == 0)