]> andersk Git - gssapi-openssh.git/blobdiff - openssh/auth-passwd.c
The man2html from jbasney on pkilab2 works whereas the standard one doesn't.
[gssapi-openssh.git] / openssh / auth-passwd.c
index a27170cccb4bf76653af750782e25f698286b452..988297cb464a4bbd01a681bf17cf2771eab44665 100644 (file)
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: auth-passwd.c,v 1.30 2003/11/04 08:54:09 djm 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 "canohost.h"
+# 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;
 
@@ -56,70 +91,132 @@ int
 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_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
-       if (aix_authenticate(pw->pw_name, password,
-           get_canonical_hostname(options.use_dns)) == 0)
-               return 0;
-       else
-               return ok;
-# endif
-# ifdef BSD_AUTH
+#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
        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 */
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