]> andersk Git - openssh.git/blobdiff - auth-passwd.c
- stevesk@cvs.openbsd.org 2002/08/21 19:38:06
[openssh.git] / auth-passwd.c
index d53a9ea2d7b7e770201d5c31f929017d83eb1cf0..17bbd2ceba0db51ed7422a2450b662a13a1a1d6e 100644 (file)
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: auth-passwd.c,v 1.22 2001/03/20 18:57:04 markus Exp $");
-
-#if !defined(USE_PAM) && !defined(HAVE_OSF_SIA)
+RCSID("$OpenBSD: auth-passwd.c,v 1.27 2002/05/24 16:45:16 stevesk Exp $");
 
 #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 <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
-
+#if !defined(USE_PAM) && !defined(HAVE_OSF_SIA)
+/* Don't need any of these headers for the PAM or SIA cases */
+# 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_SECUREWARE
+#  include <sys/security.h>
+#  include <sys/audit.h>
+#  include <prot.h>
+# endif /* HAVE_SECUREWARE */
+# 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
+#endif /* !USE_PAM && !HAVE_OSF_SIA */
 
 extern ServerOptions options;
 
@@ -90,16 +89,22 @@ extern ServerOptions options;
 int
 auth_password(Authctxt *authctxt, const char *password)
 {
+#if defined(USE_PAM)
+       if (*password == '\0' && options.permit_empty_passwd == 0)
+               return 0;
+       return auth_pam_password(authctxt, password);
+#elif defined(HAVE_OSF_SIA)
+       if (*password == '\0' && options.permit_empty_passwd == 0)
+               return 0;
+       return auth_sia_password(authctxt, password);
+#else
        struct passwd * pw = authctxt->pw;
        char *encrypted_password;
        char *pw_password;
        char *salt;
-#ifdef __hpux
-       struct pr_passwd *spw;
-#endif
-#ifdef HAVE_SCO_PROTECTED_PW
+#if defined(__hpux) || defined(HAVE_SECUREWARE)
        struct pr_passwd *spw;
-#endif /* HAVE_SCO_PROTECTED_PW */
+#endif /* __hpux || HAVE_SECUREWARE */
 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
        struct spwd *spw;
 #endif
@@ -118,24 +123,17 @@ auth_password(Authctxt *authctxt, const char *password)
 #ifndef HAVE_CYGWIN
        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;
-#ifdef BSD_AUTH
-       if (auth_userokay(pw->pw_name, authctxt->style, "auth-ssh",
-           (char *)password) == 0)
-               return 0;
-       else
-               return 1;
+#ifdef KRB5
+       if (options.kerberos_authentication == 1) {
+               int ret = auth_krb5_password(authctxt, password);
+               if (ret == 1 || ret == 0)
+                       return ret;
+               /* Fall back to ordinary passwd authentication. */
+       }
 #endif
-
 #ifdef HAVE_CYGWIN
        if (is_winnt) {
                HANDLE hToken = cygwin_logon_user(pw, password);
@@ -146,21 +144,24 @@ auth_password(Authctxt *authctxt, const char *password)
                return 1;
        }
 #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(pw, password);
+               int ret = auth_krb4_password(authctxt, password);
                if (ret == 1 || ret == 0)
                        return ret;
                /* Fall back to ordinary passwd authentication. */
        }
 #endif
-
-
+#ifdef BSD_AUTH
+       if (auth_userokay(pw->pw_name, authctxt->style, "auth-ssh",
+           (char *)password) == 0)
+               return 0;
+       else
+               return 1;
+#endif
        pw_password = pw->pw_passwd;
 
        /*
@@ -172,21 +173,20 @@ auth_password(Authctxt *authctxt, const char *password)
                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)
+#ifdef HAVE_SECUREWARE
+       if ((spw = getprpwnam(pw->pw_name)) != NULL)
+               pw_password = spw->ufld.fd_encrypt;
+#endif /* HAVE_SECUREWARE */
+
+#if defined(__hpux) && !defined(HAVE_SECUREWARE)
        if (iscomsec() && (spw = getprpwnam(pw->pw_name)) != NULL)
                pw_password = spw->ufld.fd_encrypt;
-#endif /* defined(__hpux) */
+#endif /* defined(__hpux) && !defined(HAVE_SECUREWARE) */
 
        /* Check for users with no password. */
        if ((password[0] == '\0') && (pw_password[0] == '\0'))
@@ -203,17 +203,21 @@ auth_password(Authctxt *authctxt, const char *password)
        else
                encrypted_password = crypt(password, salt);
 #else /* HAVE_MD5_PASSWORDS */
-# ifdef __hpux
+# if defined(__hpux) && !defined(HAVE_SECUREWARE)
        if (iscomsec())
                encrypted_password = bigcrypt(password, salt);
        else
                encrypted_password = crypt(password, salt);
 # else
+#  ifdef HAVE_SECUREWARE
+       encrypted_password = bigcrypt(password, salt);
+#  else
        encrypted_password = crypt(password, salt);
-# endif /* __hpux */
+#  endif /* HAVE_SECUREWARE */
+# endif /* __hpux && !defined(HAVE_SECUREWARE) */
 #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 */
+}
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