[PATCH] Add a test for 'net usershare'

Andreas Schneider asn at samba.org
Thu Jun 22 15:51:28 UTC 2017


Hi,

I've tried to understand a customer problem, so I've started to write a test 
for 'net usershare'. Haven't found a bug yet, so here is just a test which 
checks normal functionality.


Review and push appreciated.


Thanks,



	Andreas

-- 
Andreas Schneider                   GPG-ID: CC014E3D
Samba Team                             asn at samba.org
www.samba.org
-------------- next part --------------
>From 410814309185d8471476cecb15f22ccc8342092c Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn at samba.org>
Date: Thu, 22 Jun 2017 16:13:12 +0200
Subject: [PATCH 1/2] s3:param: Allow to add usershare if uid_wrapper is loaded

Signed-off-by: Andreas Schneider <asn at samba.org>
---
 source3/param/loadparm.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/source3/param/loadparm.c b/source3/param/loadparm.c
index 297a7e9175a..91fa85ea7b0 100644
--- a/source3/param/loadparm.c
+++ b/source3/param/loadparm.c
@@ -3513,6 +3513,19 @@ static bool usershare_exists(int iService, struct timespec *last_mod)
 	return true;
 }
 
+static bool usershare_directory_is_root(uid_t uid)
+{
+	if (uid == 0) {
+		return true;
+	}
+
+	if (uid_wrapper_enabled()) {
+		return true;
+	}
+
+	return false;
+}
+
 /***************************************************************************
  Load a usershare service by name. Returns a valid servicenumber or -1.
 ***************************************************************************/
@@ -3546,9 +3559,11 @@ int load_usershare_service(const char *servicename)
 	 */
 
 #ifdef S_ISVTX
-	if (sbuf.st_ex_uid != 0 || !(sbuf.st_ex_mode & S_ISVTX) || (sbuf.st_ex_mode & S_IWOTH)) {
+	if (!usershare_directory_is_root(sbuf.st_ex_uid) ||
+	    !(sbuf.st_ex_mode & S_ISVTX) || (sbuf.st_ex_mode & S_IWOTH)) {
 #else
-	if (sbuf.st_ex_uid != 0 || (sbuf.st_ex_mode & S_IWOTH)) {
+	if (!usershare_directory_is_root(sbuf.st_ex_uid) ||
+	    (sbuf.st_ex_mode & S_IWOTH)) {
 #endif
 		DEBUG(0,("load_usershare_service: directory %s is not owned by root "
 			"or does not have the sticky bit 't' set or is writable by anyone.\n",
-- 
2.13.1


>From 3fcd2c920375f03b9b3a471bd3b483092c79fa5d Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn at samba.org>
Date: Thu, 22 Jun 2017 14:17:07 +0200
Subject: [PATCH 2/2] s3:tests: Add blackbox test for 'net usershare'

Signed-off-by: Andreas Schneider <asn at samba.org>
---
 selftest/target/Samba3.pm                  | 13 +++++
 source3/script/tests/test_net_usershare.sh | 82 ++++++++++++++++++++++++++++++
 source3/selftest/tests.py                  |  2 +
 3 files changed, 97 insertions(+)
 create mode 100755 source3/script/tests/test_net_usershare.sh

diff --git a/selftest/target/Samba3.pm b/selftest/target/Samba3.pm
index d93d98e3af3..248a7362abb 100755
--- a/selftest/target/Samba3.pm
+++ b/selftest/target/Samba3.pm
@@ -740,6 +740,8 @@ sub setup_fileserver($$)
 
 	mkdir($prefix_abs, 0777);
 
+	my $usershare_dir="$prefix_abs/lib/usershare";
+
 	my $share_dir="$prefix_abs/share";
 
 	# Create share directory structure
@@ -767,7 +769,15 @@ sub setup_fileserver($$)
 	my $smbget_sharedir="$share_dir/smbget";
 	push(@dirs,$smbget_sharedir);
 
+	my $usershare_sharedir="$share_dir/usershares";
+	push(@dirs,$usershare_sharedir);
+
 	my $fileserver_options = "
+	usershare path = $usershare_dir
+	usershare max shares = 10
+	usershare allow guests = yes
+	usershare prefix allow list = $usershare_sharedir
+
 [lowercase]
 	path = $lower_case_share_dir
 	comment = smb username is [%U]
@@ -838,6 +848,9 @@ sub setup_fileserver($$)
 
 	$self->{vars}->{fileserver} = $vars;
 
+	rmdir($usershare_dir);
+	mkdir($usershare_dir, 01770);
+
 	mkdir($_, 0777) foreach(@dirs);
 
 	## Create case sensitive lower case share dir
diff --git a/source3/script/tests/test_net_usershare.sh b/source3/script/tests/test_net_usershare.sh
new file mode 100755
index 00000000000..16634487aaa
--- /dev/null
+++ b/source3/script/tests/test_net_usershare.sh
@@ -0,0 +1,82 @@
+#!/bin/sh
+
+if [ $# -lt 5 ]; then
+cat <<EOF
+Usage: test_net_usershare.sh SERVER SERVER_IP DOMAIN USERNAME PASSWORD SMBCLIENT <smbclient arguments>
+EOF
+exit 1;
+fi
+
+SERVER="$1"
+SERVER_IP="$2"
+USERNAME="$3"
+PASSWORD="$4"
+smbclient="$5"
+shift 6
+ADDARGS="$@"
+
+failed=0
+
+samba_bindir="$BINDIR"
+samba_net="$samba_bindir/net"
+samba_smbcontrol="$samba_bindir/smbcontrol"
+
+samba_share_dir="$LOCAL_PATH"
+samba_usershare_dir="$samba_share_dir/usershares"
+
+incdir=`dirname $0`/../../../testprogs/blackbox
+. $incdir/subunit.sh
+
+
+test_smbclient() {
+	name="$1"
+	share="$2"
+	cmd="$3"
+	shift 3
+	echo "test: $name"
+	$VALGRIND $smbclient $CONFIGURATION //$SERVER/$share -c "$cmd" "$@"
+	status=$?
+	if [ x$status = x0 ]; then
+		echo "success: $name"
+	else
+		echo "failure: $name"
+	fi
+	return $status
+}
+
+test_net_usershare() {
+	name="$1"
+	cmd="$2"
+	shift
+	shift
+	echo "test: $name"
+	$VALGRIND $samba_net usershare "$cmd" "$@"
+	status=$?
+	if [ x$status = x0 ]; then
+		echo "success: $name"
+	else
+		echo "failure: $name"
+	fi
+	return $status
+}
+
+###########################################################
+# Check if we can add and delete a usershare
+###########################################################
+
+samba_usershare_name="test_usershare_1"
+samba_usershare_path="$samba_usershare_dir/$samba_usershare_name"
+
+testit "create usershare dir for $samba_usershare_name" mkdir $samba_usershare_path || failed=`expr $failed + 1`
+
+test_net_usershare "net usershare add $samba_usershare_name" "add" "$samba_usershare_name" "$samba_usershare_path" "$samba_usershare_name"
+
+test_net_usershare "net usershare info $samba_usershare_name" "info" "$samba_usershare_name"
+
+test_smbclient "smbclient to $samba_usershare_name" "$samba_usershare_name" 'ls' -U$USERNAME%$PASSWORD || failed=`expr $failed + 1`
+
+# CLEANUP
+test_net_usershare "net usershare delete $samba_usershare_name" "delete" "$samba_usershare_name"
+testit "remove usershare dir for $samba_usershare_name" rm -rf $samba_usershare_path || failed=`expr $failed + 1`
+
+exit $failed
diff --git a/source3/selftest/tests.py b/source3/selftest/tests.py
index ac861e8ba24..07952e02e39 100755
--- a/source3/selftest/tests.py
+++ b/source3/selftest/tests.py
@@ -258,6 +258,8 @@ for env in ["fileserver"]:
                        '-d', '$PREFIX', '-b', smbclient3,
                        '--subunit', '--', configuration])
 
+plantestsuite("samba3.blackbox.net_usershare", "fileserver:local", [os.path.join(samba3srcdir, "script/tests/test_net_usershare.sh"), '$SERVER', '$SERVER_IP', '$USERNAME', '$PASSWORD', smbclient3])
+
 #TODO encrypted against member, with member creds, and with DC creds
 plantestsuite("samba3.blackbox.net.misc", "nt4_dc:local",
               [os.path.join(samba3srcdir, "script/tests/test_net_misc.sh"),
-- 
2.13.1



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