s3:smbpasswd: Use cmdline_messaging_context

smbpasswd does not use POPT_CREDENTIALS. Call cmdline_messaging_context
to initialize a messaging_context with proper error checking before
calling lp_load_global.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13465

Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
(cherry picked from commit 29fd2c2e5ad3c2d44f3629c6b7b4139772fe350c)

source3/utils/smbpasswd.c

@@ -23,6 +23,7 @@
 #include "../lib/util/util_pw.h"
 #include "libsmb/proto.h"
 #include "passdb.h"
+#include "cmdline_contexts.h"
 
 /*
  * Next two lines needed for SunOS and don't
@@ -196,6 +197,8 @@ static int process_options(int argc, char **argv, int local_flags)
 		usage();
 	}
 
+	cmdline_messaging_context(configfile);
+
 	if (!lp_load_global(configfile)) {
 		fprintf(stderr, "Can't load %s - run testparm to debug it\n", 
 			configfile);
@@ -614,7 +617,6 @@ static int process_nonroot(int local_flags)
 int main(int argc, char **argv)
 {	
 	TALLOC_CTX *frame = talloc_stackframe();
-	struct messaging_context *msg_ctx = NULL;
 	int local_flags = 0;
 	int ret;
 
@@ -632,19 +634,6 @@ int main(int argc, char **argv)
 
 	setup_logging("smbpasswd", DEBUG_STDERR);
 
-	msg_ctx = server_messaging_context();
-	if (msg_ctx == NULL) {
-		if (geteuid() != 0) {
-			DBG_NOTICE("Unable to initialize messaging context. "
-				   "Must be root to do that.\n");
-		} else {
-			fprintf(stderr,
-				"smbpasswd is not able to initialize the "
-				"messaging context!\n");
-			return 1;
-		}
-	}
-
 	/*
 	 * Set the machine NETBIOS name if not already
 	 * set from the config file. 

source3/utils/wscript_build

@@ -37,7 +37,9 @@ bld.SAMBA3_BINARY('smbpasswd',
                  smbconf
                  pdb
                  PASSWD_UTIL
-                 PASSCHANGE''')
+                 PASSCHANGE
+                 cmdline_contexts
+                 ''')
 
 bld.SAMBA3_BINARY('pdbedit',
                  source='pdbedit.c',