# HG changeset patch
# User Paul Eggleton <paul.eggleton@linux.intel.com>
# Date 1360684377 0
# Node ID c58a1598380822f43b46b1ebcddf6bc48fc571b2
# Parent  e698d1a9f42851999c0163a942da405c3391d683
Allow configuring "allow blank password option" at runtime

Changes this from a compile-time switch to a command-line option.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>

diff -r e698d1a9f428 -r c58a15983808 options.h
--- a/options.h	Fri Feb 22 23:54:47 2013 +0800
+++ b/options.h	Tue Feb 12 15:52:57 2013 +0000
@@ -180,11 +180,6 @@
 #define ENABLE_SVR_PUBKEY_OPTIONS
 #endif
 
-/* Define this to allow logging in to accounts that have no password specified.
- * Public key logins are allowed for blank-password accounts regardless of this
- * setting. */
-/* #define ALLOW_BLANK_PASSWORD */
-
 #define ENABLE_CLI_PASSWORD_AUTH
 #define ENABLE_CLI_PUBKEY_AUTH
 #define ENABLE_CLI_INTERACT_AUTH
diff -r e698d1a9f428 -r c58a15983808 runopts.h
--- a/runopts.h	Fri Feb 22 23:54:47 2013 +0800
+++ b/runopts.h	Tue Feb 12 15:52:57 2013 +0000
@@ -89,6 +89,7 @@
 
 	int noauthpass;
 	int norootpass;
+	int allowblankpass;
 
 #ifdef ENABLE_SVR_REMOTETCPFWD
 	int noremotetcp;
diff -r e698d1a9f428 -r c58a15983808 svr-auth.c
--- a/svr-auth.c	Fri Feb 22 23:54:47 2013 +0800
+++ b/svr-auth.c	Tue Feb 12 15:52:57 2013 +0000
@@ -154,8 +154,8 @@
 			strncmp(methodname, AUTH_METHOD_NONE,
 				AUTH_METHOD_NONE_LEN) == 0) {
 		TRACE(("recv_msg_userauth_request: 'none' request"))
-#ifdef ALLOW_BLANK_PASSWORD
-		if (!svr_opts.noauthpass 
+		if (svr_opts.allowblankpass
+				&& !svr_opts.noauthpass
 				&& !(svr_opts.norootpass && ses.authstate.pw_uid == 0) 
 				&& ses.authstate.pw_passwd[0] == '\0') 
 		{
@@ -167,7 +167,6 @@
 			goto out;
 		}
 		else
-#endif
 		{
 			send_msg_userauth_failure(0, 0);
 			goto out;
diff -r e698d1a9f428 -r c58a15983808 svr-authpasswd.c
--- a/svr-authpasswd.c	Fri Feb 22 23:54:47 2013 +0800
+++ b/svr-authpasswd.c	Tue Feb 12 15:52:57 2013 +0000
@@ -29,6 +29,7 @@
 #include "buffer.h"
 #include "dbutil.h"
 #include "auth.h"
+#include "runopts.h"
 
 #ifdef ENABLE_SVR_PASSWORD_AUTH
 
diff -r e698d1a9f428 -r c58a15983808 svr-runopts.c
--- a/svr-runopts.c	Fri Feb 22 23:54:47 2013 +0800
+++ b/svr-runopts.c	Tue Feb 12 15:52:57 2013 +0000
@@ -63,6 +63,7 @@
 #if defined(ENABLE_SVR_PASSWORD_AUTH) || defined(ENABLE_SVR_PAM_AUTH)
 					"-s		Disable password logins\n"
 					"-g		Disable password logins for root\n"
+					"-B		Allow blank password logins\n"
 #endif
 #ifdef ENABLE_SVR_LOCALTCPFWD
 					"-j		Disable local port forwarding\n"
@@ -115,6 +116,7 @@
 	svr_opts.norootlogin = 0;
 	svr_opts.noauthpass = 0;
 	svr_opts.norootpass = 0;
+	svr_opts.allowblankpass = 0;
 	svr_opts.inetdmode = 0;
 	svr_opts.portcount = 0;
 	svr_opts.hostkey = NULL;
@@ -234,6 +236,9 @@
 				case 'g':
 					svr_opts.norootpass = 1;
 					break;
+				case 'B':
+					svr_opts.allowblankpass = 1;
+					break;
 #endif
 				case 'h':
 					printhelp(argv[0]);