*/
#include "includes.h"
-RCSID("$OpenBSD: auth-passwd.c,v 1.31 2004/01/30 09:48:57 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"
-#include "auth-options.h"
-extern ServerOptions options;
-int sys_auth_passwd(Authctxt *, const char *);
+#ifdef HAVE_CRYPT_H
+# include <crypt.h>
+#endif
+#ifdef WITH_AIXAUTHENTICATE
+# 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) */
-void
-disable_forwarding(void)
-{
- no_port_forwarding_flag = 1;
- no_agent_forwarding_flag = 1;
- no_x11_forwarding_flag = 1;
-}
+#ifdef HAVE_CYGWIN
+#undef ERROR
+#include <windows.h>
+#include <sys/cygwin.h>
+#define is_winnt (GetVersion() < 0x80000000)
+#endif
+
+
+extern ServerOptions options;
/*
* Tries to authenticate the user using password. Returns true if
auth_password(Authctxt *authctxt, const char *password)
{
struct passwd * pw = authctxt->pw;
- int ok = authctxt->valid;
- static int expire_checked = 0;
+ 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_uid == 0 && options.permit_root_login != PERMIT_YES)
- ok = 0;
-#endif
- if (*password == '\0' && options.permit_empty_passwd == 0)
+ if (pw->pw_uid == 0 && options.permit_root_login != PERMIT_YES)
return 0;
-
-#if defined(HAVE_OSF_SIA)
+#endif
+#ifdef HAVE_CYGWIN
/*
- * XXX: any reason this is before krb? could be moved to
- * sys_auth_passwd()? -dt
+ * Empty password is only possible on NT if the user has _really_
+ * an empty password and authentication is done, though.
*/
- return auth_sia_password(authctxt, password) && ok;
+ if (!is_winnt)
#endif
+ if (*password == '\0' && options.permit_empty_passwd == 0)
+ return 0;
#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
if (hToken == INVALID_HANDLE_VALUE)
return 0;
cygwin_set_impersonation_token(hToken);
- return ok;
+ return 1;
}
#endif
-#if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE)
- if (!expire_checked) {
- expire_checked = 1;
- if (auth_shadow_pwexpired(authctxt)) {
- disable_forwarding();
- authctxt->force_pwchange = 1;
- }
+#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
-
- return (sys_auth_passwd(authctxt, password) && ok);
-}
-
#ifdef BSD_AUTH
-int
-sys_auth_passwd(Authctxt *authctxt, const char *password)
-{
- struct passwd *pw = authctxt->pw;
- auth_session_t *as;
-
- as = auth_usercheck(pw->pw_name, authctxt->style, "auth-ssh",
- (char *)password);
- if (auth_getstate(as) & AUTH_PWEXPIRED) {
- auth_close(as);
- disable_forwarding();
- authctxt->force_pwchange = 1;
- return (1);
- } else {
- return (auth_close(as));
- }
-}
-#elif !defined(CUSTOM_SYS_AUTH_PASSWD)
-int
-sys_auth_passwd(Authctxt *authctxt, const char *password)
-{
- struct passwd *pw = authctxt->pw;
- char *encrypted_password;
+ if (auth_userokay(pw->pw_name, authctxt->style, "auth-ssh",
+ (char *)password) == 0)
+ return 0;
+ else
+ 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) */
- /* Just use the supplied fake password if authctxt is invalid */
- char *pw_password = authctxt->valid ? shadow_pw(pw) : pw->pw_passwd;
+#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 (1);
+ if ((password[0] == '\0') && (pw_password[0] == '\0'))
+ return 1;
- /* Encrypt the candidate password using the proper salt. */
- encrypted_password = xcrypt(password,
- (pw_password[0] && pw_password[1]) ? pw_password : "xx");
+ if (pw_password[0] != '\0')
+ salt = pw_password;
+ else
+ salt = "xx";
- /*
- * Authentication is accepted if the encrypted passwords
- * are identical.
- */
+#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
+#endif /* !USE_PAM && !HAVE_OSF_SIA */
andersk / gssapi-openssh.git / blobdiff