From a90c3bd281e7a62bb8482e42aa3b674eeeb5995a Mon Sep 17 00:00:00 2001
From: Gerald Carter <jerry@samba.org>
Date: Fri, 19 Mar 2004 22:06:54 +0000
Subject: [PATCH] BUG 417: fix %UuGg variables expansion in include lines
 setging the current_user_info struct in register_vuid() -- shouldn't be any
 more broken than we were

---
 source/lib/substitute.c |  5 +++++
 source/lib/username.c   |  5 +++++
 source/param/loadparm.c | 22 ++++++++++++++++++++--
 source/smbd/password.c  |  4 ++++
 source/smbd/sesssetup.c |  9 +++++++++
 5 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/source/lib/substitute.c b/source/lib/substitute.c
index 5dec9808101..fed11c22982 100644
--- a/source/lib/substitute.c
+++ b/source/lib/substitute.c
@@ -116,6 +116,11 @@ void sub_set_smb_name(const char *name)
 	alpha_strcpy(smb_user_name,tmp,SAFE_NETBIOS_CHARS,sizeof(smb_user_name)-1);
 }
 
+char* sub_get_smb_name( void )
+{
+	return smb_user_name;
+}
+
 /*******************************************************************
  Setup the strings used by substitutions. Called per packet. Ensure
  %U name is set correctly also.
diff --git a/source/lib/username.c b/source/lib/username.c
index 40327f81687..ac5530b5c71 100644
--- a/source/lib/username.c
+++ b/source/lib/username.c
@@ -283,6 +283,11 @@ struct passwd *Get_Pwnam(const char *user)
 	fstring user2;
 	struct passwd *ret;
 
+	if ( *user == '\0' ) {
+		DEBUG(10,("Get_Pwnam: empty username!\n"));
+		return NULL;
+	}
+
 	fstrcpy(user2, user);
 
 	DEBUG(5,("Finding user %s\n", user));
diff --git a/source/param/loadparm.c b/source/param/loadparm.c
index af26697476a..35bd464b56b 100644
--- a/source/param/loadparm.c
+++ b/source/param/loadparm.c
@@ -2657,7 +2657,16 @@ static void add_to_file_list(const char *fname, const char *subfname)
 BOOL lp_file_list_changed(void)
 {
 	struct file_lists *f = file_lists;
-	DEBUG(6, ("lp_file_list_changed()\n"));
+	char *username;
+
+ 	DEBUG(6, ("lp_file_list_changed()\n"));
+
+	/* get the username for substituion -- preference to the current_user_info */
+	if ( strlen( current_user_info.smb_name ) != 0 )
+		username = current_user_info.smb_name;
+	else
+		username = sub_get_smb_name();
+		
 
 	while (f) {
 		pstring n2;
@@ -3806,9 +3815,18 @@ BOOL lp_load(const char *pszFname, BOOL global_only, BOOL save_defaults,
 	pstring n2;
 	BOOL bRetval;
 	param_opt_struct *data, *pdata;
+	char *username;
 
 	pstrcpy(n2, pszFname);
-	standard_sub_basic(current_user_info.smb_name, n2,sizeof(n2));
+	
+	/* get the username for substituion -- preference to the current_user_info */
+	
+	if ( strlen( current_user_info.smb_name ) != 0 )
+		username = current_user_info.smb_name;
+	else
+		username = sub_get_smb_name();
+		
+	standard_sub_basic( username, n2,sizeof(n2) );
 
 	add_to_file_list(pszFname, n2);
 
diff --git a/source/smbd/password.c b/source/smbd/password.c
index 10c6aadb1fc..9449113ddc5 100644
--- a/source/smbd/password.c
+++ b/source/smbd/password.c
@@ -273,6 +273,10 @@ int register_vuid(auth_serversupplied_info *server_info, DATA_BLOB session_key,
 		/* Try and turn on server signing on the first non-guest sessionsetup. */
 		srv_set_signing(vuser->session_key, response_blob);
 	}
+	
+	/* fill in the current_user_info struct */
+	set_current_user_info( &vuser->user );
+
 
 	return vuser->vuid;
 }
diff --git a/source/smbd/sesssetup.c b/source/smbd/sesssetup.c
index d91aa947286..244db6d2c14 100644
--- a/source/smbd/sesssetup.c
+++ b/source/smbd/sesssetup.c
@@ -282,6 +282,9 @@ static int reply_spnego_kerberos(connection_struct *conn,
 	if (sess_vuid == -1) {
 		ret = NT_STATUS_LOGON_FAILURE;
 	} else {
+		/* current_user_info is changed on new vuid */
+		reload_services( True );
+
 		set_message(outbuf,4,0,True);
 		SSVAL(outbuf, smb_vwv3, 0);
 			
@@ -355,6 +358,9 @@ static BOOL reply_spnego_ntlmssp(connection_struct *conn, char *inbuf, char *out
 			nt_status = NT_STATUS_LOGON_FAILURE;
 		} else {
 			
+			/* current_user_info is changed on new vuid */
+			reload_services( True );
+
 			set_message(outbuf,4,0,True);
 			SSVAL(outbuf, smb_vwv3, 0);
 			
@@ -911,6 +917,9 @@ int reply_sesssetup_and_X(connection_struct *conn, char *inbuf,char *outbuf,
 		return ERROR_NT(NT_STATUS_LOGON_FAILURE);
 	}
 
+	/* current_user_info is changed on new vuid */
+	reload_services( True );
+
  	if (!server_info->guest && !srv_check_sign_mac(inbuf)) {
 		exit_server("reply_sesssetup_and_X: bad smb signature");
 	}
-- 
2.11.4.GIT