*/
#include "includes.h"
-RCSID("$OpenBSD: auth-passwd.c,v 1.29 2003/08/26 09:58:43 markus Exp $");
+RCSID("$OpenBSD: auth-passwd.c,v 1.23 2001/06/26 16:15:23 dugsong Exp $");
+
+#if !defined(USE_PAM) && !defined(HAVE_OSF_SIA)
#include "packet.h"
+#include "xmalloc.h"
#include "log.h"
#include "servconf.h"
#include "auth.h"
+
+#ifdef HAVE_CRYPT_H
+# include <crypt.h>
+#endif
#ifdef WITH_AIXAUTHENTICATE
-# include "buffer.h"
-# include "canohost.h"
-extern Buffer loginmsg;
+# include <login.h>
+#endif
+#ifdef __hpux
+# include <hpsecurity.h>
+# include <prot.h>
+#endif
+#ifdef HAVE_SCO_PROTECTED_PW
+# include <sys/security.h>
+# include <sys/audit.h>
+# include <prot.h>
+#endif /* HAVE_SCO_PROTECTED_PW */
+#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
+# include <shadow.h>
+#endif
+#if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
+# include <sys/label.h>
+# include <sys/audit.h>
+# include <pwdadj.h>
+#endif
+#if defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT)
+# include "md5crypt.h"
+#endif /* defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT) */
+
+#ifdef HAVE_CYGWIN
+#undef ERROR
+#include <windows.h>
+#include <sys/cygwin.h>
+#define is_winnt (GetVersion() < 0x80000000)
#endif
+
extern ServerOptions options;
/*
auth_password(Authctxt *authctxt, const char *password)
{
struct passwd * pw = authctxt->pw;
- int ok = authctxt->valid;
+ char *encrypted_password;
+ char *pw_password;
+ char *salt;
+#ifdef __hpux
+ struct pr_passwd *spw;
+#endif
+#ifdef HAVE_SCO_PROTECTED_PW
+ struct pr_passwd *spw;
+#endif /* HAVE_SCO_PROTECTED_PW */
+#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
+ struct spwd *spw;
+#endif
+#if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
+ struct passwd_adjunct *spw;
+#endif
+#ifdef WITH_AIXAUTHENTICATE
+ char *authmsg;
+ char *loginmsg;
+ int reenter = 1;
+#endif
/* deny if no user. */
if (pw == NULL)
return 0;
#ifndef HAVE_CYGWIN
- if (pw && pw->pw_uid == 0 && options.permit_root_login != PERMIT_YES)
- ok = 0;
+ if (pw->pw_uid == 0 && options.permit_root_login != PERMIT_YES)
+ return 0;
+#endif
+#ifdef HAVE_CYGWIN
+ /*
+ * Empty password is only possible on NT if the user has _really_
+ * an empty password and authentication is done, though.
+ */
+ if (!is_winnt)
#endif
if (*password == '\0' && options.permit_empty_passwd == 0)
return 0;
-
-#if defined(HAVE_OSF_SIA)
- return auth_sia_password(authctxt, password) && ok;
-#else
-# ifdef KRB5
+#ifdef KRB5
if (options.kerberos_authentication == 1) {
int ret = auth_krb5_password(authctxt, password);
if (ret == 1 || ret == 0)
- return ret && ok;
+ return ret;
/* Fall back to ordinary passwd authentication. */
}
-# endif
-# ifdef HAVE_CYGWIN
+#endif
+#ifdef HAVE_CYGWIN
if (is_winnt) {
HANDLE hToken = cygwin_logon_user(pw, password);
if (hToken == INVALID_HANDLE_VALUE)
return 0;
cygwin_set_impersonation_token(hToken);
- return ok;
+ return 1;
}
-# endif
-# ifdef WITH_AIXAUTHENTICATE
- {
- char *authmsg = NULL;
- int reenter = 1;
- int authsuccess = 0;
-
- if (authenticate(pw->pw_name, password, &reenter,
- &authmsg) == 0 && ok) {
- char *msg;
- char *host =
- (char *)get_canonical_hostname(options.use_dns);
-
- authsuccess = 1;
- aix_remove_embedded_newlines(authmsg);
-
- debug3("AIX/authenticate succeeded for user %s: %.100s",
- pw->pw_name, authmsg);
-
- /* No pty yet, so just label the line as "ssh" */
- aix_setauthdb(authctxt->user);
- if (loginsuccess(authctxt->user, host, "ssh",
- &msg) == 0) {
- if (msg != NULL) {
- debug("%s: msg %s", __func__, msg);
- buffer_append(&loginmsg, msg,
- strlen(msg));
- xfree(msg);
- }
- }
- } else {
- debug3("AIX/authenticate failed for user %s: %.100s",
- pw->pw_name, authmsg);
- }
-
- if (authmsg != NULL)
- xfree(authmsg);
-
- return authsuccess;
+#endif
+#ifdef WITH_AIXAUTHENTICATE
+ return (authenticate(pw->pw_name,password,&reenter,&authmsg) == 0);
+#endif
+#ifdef KRB4
+ if (options.kerberos_authentication == 1) {
+ int ret = auth_krb4_password(authctxt, password);
+ if (ret == 1 || ret == 0)
+ return ret;
+ /* Fall back to ordinary passwd authentication. */
}
-# endif
-# ifdef BSD_AUTH
+#endif
+#ifdef BSD_AUTH
if (auth_userokay(pw->pw_name, authctxt->style, "auth-ssh",
(char *)password) == 0)
return 0;
else
- return ok;
-# else
- {
- /* Just use the supplied fake password if authctxt is invalid */
- char *pw_password = authctxt->valid ? shadow_pw(pw) : pw->pw_passwd;
+ return 1;
+#endif
+ pw_password = pw->pw_passwd;
+
+ /*
+ * Various interfaces to shadow or protected password data
+ */
+#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
+ spw = getspnam(pw->pw_name);
+ if (spw != NULL)
+ pw_password = spw->sp_pwdp;
+#endif /* defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) */
+
+#ifdef HAVE_SCO_PROTECTED_PW
+ spw = getprpwnam(pw->pw_name);
+ if (spw != NULL)
+ pw_password = spw->ufld.fd_encrypt;
+#endif /* HAVE_SCO_PROTECTED_PW */
+
+#if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
+ if (issecure() && (spw = getpwanam(pw->pw_name)) != NULL)
+ pw_password = spw->pwa_passwd;
+#endif /* defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) */
+
+#if defined(__hpux)
+ if (iscomsec() && (spw = getprpwnam(pw->pw_name)) != NULL)
+ pw_password = spw->ufld.fd_encrypt;
+#endif /* defined(__hpux) */
/* Check for users with no password. */
- if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0)
- return ok;
- else {
- /* Encrypt the candidate password using the proper salt. */
- char *encrypted_password = xcrypt(password,
- (pw_password[0] && pw_password[1]) ? pw_password : "xx");
-
- /*
- * Authentication is accepted if the encrypted passwords
- * are identical.
- */
- return (strcmp(encrypted_password, pw_password) == 0) && ok;
- }
+ if ((password[0] == '\0') && (pw_password[0] == '\0'))
+ return 1;
- }
-# endif
-#endif /* !HAVE_OSF_SIA */
+ if (pw_password[0] != '\0')
+ salt = pw_password;
+ else
+ salt = "xx";
+
+#ifdef HAVE_MD5_PASSWORDS
+ if (is_md5_salt(salt))
+ encrypted_password = md5_crypt(password, salt);
+ else
+ encrypted_password = crypt(password, salt);
+#else /* HAVE_MD5_PASSWORDS */
+# ifdef __hpux
+ if (iscomsec())
+ encrypted_password = bigcrypt(password, salt);
+ else
+ encrypted_password = crypt(password, salt);
+# else
+ encrypted_password = crypt(password, salt);
+# endif /* __hpux */
+#endif /* HAVE_MD5_PASSWORDS */
+
+ /* Authentication is accepted if the encrypted passwords are identical. */
+ return (strcmp(encrypted_password, pw_password) == 0);
}
+#endif /* !USE_PAM && !HAVE_OSF_SIA */
andersk / gssapi-openssh.git / blobdiff