- (tim) [CREDITS LICENCE auth.c configure.ac defines.h includes.h session.c

   openbsd-compat/Makefile.in openbsd-compat/openbsd-compat.h
   openbsd-compat/xcrypt.c] New files [openssh/openbsd-compat/port-uw.c
   openssh/openbsd-compat/port-uw.h] Support long passwords (> 8-char)
   on UnixWare 7 from Dhiraj Gulati and Ahsan Rashid. Cleanup and testing
   by tim@. Feedback and OK dtucker@

1 files changed, 115 insertions, 0 deletions

diff --git a/openbsd-compat/port-uw.c b/openbsd-compat/port-uw.c
new file mode 100644
index 000000000..cbc3f686b
--- /dev/null
+++ b/openbsd-compat/port-uw.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2005 The SCO Group. All rights reserved.
+ * Copyright (c) 2005 Tim Rice. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "includes.h"
+
+#ifdef UNIXWARE_LONG_PASSWORDS
+#ifdef HAVE_CRYPT_H
+#include <crypt.h>
+#endif
+#include "packet.h"
+#include "buffer.h"
+#include "log.h"
+#include "servconf.h"
+#include "auth.h"
+#include "auth-options.h"
+
+int nischeck(char *);
+
+int
+sys_auth_passwd(Authctxt *authctxt, const char *password)
+{
+        struct passwd *pw = authctxt->pw;
+        char *encrypted_password;
+        char *salt;
+
+        /* Just use the supplied fake password if authctxt is invalid */
+        char *pw_password = authctxt->valid ? shadow_pw(pw) : pw->pw_passwd;
+
+        /* Check for users with no password. */
+        if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0)
+                return (1);
+
+        salt = (pw_password[0] && pw_password[1]) ? pw_password : "xx";
+        if (nischeck(pw->pw_name))
+                return(strcmp(crypt(password, salt), pw_password) == 0);
+        else
+                return(strcmp(bigcrypt(password, salt), pw_password) == 0);
+}
+
+int
+nischeck(char *namep)
+{
+        char password_file[] = "/etc/passwd";
+        FILE *fd;
+        struct passwd *ent = NULL;
+
+        if ((fd = fopen (password_file, "r")) == NULL) {
+                /*
+                 * If the passwd file has dissapeared we are in a bad state.
+                 * However, returning 0 will send us back through the
+                 * authentication scheme that has checked the ia database for
+                 * passwords earlier.
+                 */
+                return(0);
+        }
+
+        /*
+         * fgetpwent() only reads from password file, so we know for certain
+         * that the user is local.
+         */
+        while (ent = fgetpwent(fd)) {
+                if (strcmp (ent->pw_name, namep) == 0) {
+                        /* Local user */
+                        fclose (fd);
+                        return(0);
+                }
+        }
+
+        fclose (fd);
+        return (1);
+}
+
+#endif /* UNIXWARE_LONG_PASSWORDS */
+
+#ifdef HAVE_LIBIAF
+char *
+get_iaf_password(struct passwd *pw)
+{
+        char *pw_password = NULL;
+
+        uinfo_t uinfo;
+        if (!ia_openinfo(pw->pw_name,&uinfo)) {
+                ia_get_logpwd(uinfo, &pw_password);
+                if (pw_password == NULL)
+                        fatal("Unable to get the shadow passwd");
+                ia_closeinfo(uinfo);
+                return pw_password;
+        }
+        else
+                fatal("Unable to open the shadow passwd file");
+}
+#endif /* HAVE_LIBIAF */
+