[PATCH] Fix printing regression.
Andreas Schneider
asn at samba.org
Fri Jun 1 08:32:05 UTC 2018
On Thursday, 31 May 2018 21:03:23 CEST Jeremy Allison wrote:
> Hi all,
>
> Here is a fix for a regression in the printing code
> that's been there since we moved from 3.0.x -> 3.5.0 :-).
>
> https://bugzilla.samba.org/show_bug.cgi?id=13457
>
> Setting delete-on-close on an open printing file
> should cancel the job.
>
> The fix was easy, writing the regression test
> took the time :-).
>
> Please review and push if happy !
This doesn't pass with --picky-developer :-)
ignoring return value of 'ftruncate', declared with attribute
warn_unused_result [-Werror=unused-result]
I've merged the test and added a return value check for ftruncate to print an
error if this happens.
Please check the attached patch.
Thanks,
Andreas
--
Andreas Schneider GPG-ID: CC014E3D
Samba Team asn at samba.org
www.samba.org
-------------- next part --------------
>From 69c1ce81b243831ed00f369976a4c6320e261f1f Mon Sep 17 00:00:00 2001
From: Jeremy Allison <jra at samba.org>
Date: Thu, 31 May 2018 10:18:21 -0700
Subject: [PATCH 1/2] s3: torture: Add DELETE-PRINT test.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13457
Signed-off-by: Jeremy Allison <jra at samba.org>
Reviewed-by: Andreas Schneider <asn at samba.org>
---
selftest/knownfail.d/smbspool | 1 +
source3/script/tests/test_smbspool.sh | 63 +++++++++++++++++++++++
source3/torture/torture.c | 73 +++++++++++++++++++++++++++
3 files changed, 137 insertions(+)
create mode 100644 selftest/knownfail.d/smbspool
diff --git a/selftest/knownfail.d/smbspool b/selftest/knownfail.d/smbspool
new file mode 100644
index 00000000000..a61fc4dca5d
--- /dev/null
+++ b/selftest/knownfail.d/smbspool
@@ -0,0 +1 @@
+^samba3.blackbox.smbspool.delete.on.close
diff --git a/source3/script/tests/test_smbspool.sh b/source3/script/tests/test_smbspool.sh
index 899b34d0e40..d95ed064634 100755
--- a/source3/script/tests/test_smbspool.sh
+++ b/source3/script/tests/test_smbspool.sh
@@ -22,6 +22,7 @@ incdir=`dirname $0`/../../../testprogs/blackbox
samba_bindir="$BINDIR"
samba_vlp="$samba_bindir/vlp"
samba_smbspool="$samba_bindir/smbspool"
+samba_smbtorture3="$samba_bindir/smbtorture3"
samba_smbspool_krb5="$samba_bindir/smbspool_krb5_wrapper"
test_smbspool_noargs()
@@ -119,6 +120,64 @@ test_vlp_verify()
fi
}
+test_delete_on_close()
+{
+ tdbfile="$PREFIX_ABS/$TARGET_ENV/lockdir/vlp.tdb"
+ if [ ! -w $tdbfile ]; then
+ echo "vlp tdbfile $tdbfile doesn't exist or is not writeable!"
+ return 1
+ fi
+
+ cmd='$samba_vlp tdbfile=$tdbfile lpq print1 2>&1'
+ eval echo "$cmd"
+ out=$(eval $cmd)
+ ret=$?
+ if [ $ret != 0 ]; then
+ echo "failed to lpq jobs on print1 with $samba_vlp"
+ echo "$out"
+ return 1
+ fi
+
+ num_jobs=$(echo "$out" | wc -l)
+ #
+ # Now run the test DELETE-PRINT from smbtorture3
+ #
+ cmd='$samba_smbtorture3 //$SERVER_IP/print1 -U$USERNAME%$PASSWORD DELETE-PRINT 2>&1'
+ eval echo "$cmd"
+ out_t=$(eval $cmd)
+ ret=$?
+ if [ $ret != 0 ]; then
+ echo "failed to run DELETE-PRINT on print1"
+ echo "$out_t"
+ return 1
+ fi
+
+ cmd='$samba_vlp tdbfile=$tdbfile lpq print1 2>&1'
+ eval echo "$cmd"
+ out1=$(eval $cmd)
+ ret=$?
+ if [ $ret != 0 ]; then
+ echo "(2) failed to lpq jobs on print1 with $samba_vlp"
+ echo "$out1"
+ return 1
+ fi
+ num_jobs1=$(echo "$out1" | wc -l)
+
+ #
+ # Number of jobs should not change. Job
+ # should not have made it to backend.
+ #
+ if [ "$num_jobs1" -ne "$num_jobs" ]; then
+ echo "delete-on-close fail $num_jobs1 -ne $num_jobs"
+ echo "$out"
+ echo "$out_t"
+ echo "$out1"
+ return 1
+ fi
+
+ return 0
+}
+
testit "smbspool no args" \
test_smbspool_noargs $samba_smbspool || \
failed=$(expr $failed + 1)
@@ -180,4 +239,8 @@ testit "vlp verify example.ps" \
failed=$(expr $failed + 1)
unset AUTH_INFO_REQUIRED
+testit "delete on close" \
+ test_delete_on_close \
+ || failed=$(expr $failed + 1)
+
exit $failed
diff --git a/source3/torture/torture.c b/source3/torture/torture.c
index 23671a706cd..412e9b413fa 100644
--- a/source3/torture/torture.c
+++ b/source3/torture/torture.c
@@ -4561,6 +4561,78 @@ static bool run_deletetest(int dummy)
return correct;
}
+/*
+ Exercise delete on close semantics - use on the PRINT1 share in torture
+ testing.
+ */
+static bool run_delete_print_test(int dummy)
+{
+ struct cli_state *cli1 = NULL;
+ const char *fname = "print_delete.file";
+ uint16_t fnum1 = (uint16_t)-1;
+ bool correct = false;
+ const char *buf = "print file data\n";
+ NTSTATUS status;
+
+ printf("starting print delete test\n");
+
+ if (!torture_open_connection(&cli1, 0)) {
+ return false;
+ }
+
+ smbXcli_conn_set_sockopt(cli1->conn, sockops);
+
+ status = cli_ntcreate(cli1, fname, 0, GENERIC_ALL_ACCESS|DELETE_ACCESS,
+ FILE_ATTRIBUTE_NORMAL, 0, FILE_OVERWRITE_IF,
+ 0, 0, &fnum1, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("open of %s failed (%s)\n",
+ fname,
+ nt_errstr(status));
+ goto fail;
+ }
+
+ status = cli_writeall(cli1,
+ fnum1,
+ 0,
+ (const uint8_t *)buf,
+ 0, /* offset */
+ strlen(buf), /* size */
+ NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("writing print file data failed (%s)\n",
+ nt_errstr(status));
+ goto fail;
+ }
+
+ status = cli_nt_delete_on_close(cli1, fnum1, true);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("setting delete_on_close failed (%s)\n",
+ nt_errstr(status));
+ goto fail;
+ }
+
+ status = cli_close(cli1, fnum1);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("close failed (%s)\n", nt_errstr(status));
+ goto fail;
+ }
+
+ printf("finished print delete test\n");
+
+ correct = true;
+
+ fail:
+
+ if (fnum1 != (uint16_t)-1) {
+ cli_close(cli1, fnum1);
+ }
+
+ if (cli1 && !torture_close_connection(cli1)) {
+ correct = false;
+ }
+ return correct;
+}
/*
Test wildcard delete.
@@ -11551,6 +11623,7 @@ static struct {
{"RENAME-ACCESS", run_rename_access, 0},
{"OWNER-RIGHTS", run_owner_rights, 0},
{"DELETE", run_deletetest, 0},
+ {"DELETE-PRINT", run_delete_print_test, 0},
{"WILDDELETE", run_wild_deletetest, 0},
{"DELETE-LN", run_deletetest_ln, 0},
{"PROPERTIES", run_properties, 0},
--
2.17.0
>From 9aeeb24b36c0c596361cec1eda262e9e17578735 Mon Sep 17 00:00:00 2001
From: Jeremy Allison <jra at samba.org>
Date: Thu, 31 May 2018 10:35:48 -0700
Subject: [PATCH 2/2] s3: smbd: printing: Re-implement delete-on-close
semantics for print files missing since 3.5.x.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13457
Signed-off-by: Jeremy Allison <jra at samba.org>
Reviewed-by: Andreas Schneider <asn at samba.org>
---
selftest/knownfail.d/smbspool | 1 -
source3/printing/printspoolss.c | 17 +++++++++++++++++
2 files changed, 17 insertions(+), 1 deletion(-)
delete mode 100644 selftest/knownfail.d/smbspool
diff --git a/selftest/knownfail.d/smbspool b/selftest/knownfail.d/smbspool
deleted file mode 100644
index a61fc4dca5d..00000000000
--- a/selftest/knownfail.d/smbspool
+++ /dev/null
@@ -1 +0,0 @@
-^samba3.blackbox.smbspool.delete.on.close
diff --git a/source3/printing/printspoolss.c b/source3/printing/printspoolss.c
index 60002020351..9d565de120a 100644
--- a/source3/printing/printspoolss.c
+++ b/source3/printing/printspoolss.c
@@ -309,6 +309,23 @@ void print_spool_end(files_struct *fsp, enum file_close_type close_type)
WERROR werr;
struct dcerpc_binding_handle *b = NULL;
+ if (fsp->fh->private_options &
+ NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE) {
+ int ret;
+
+ /*
+ * Job was requested to be cancelled by setting
+ * delete on close so truncate the job file.
+ * print_job_end() which is called from
+ * _spoolss_EndDocPrinter() will take
+ * care of deleting it for us.
+ */
+ ret = ftruncate(fsp->fh->fd, 0);
+ if (ret == -1) {
+ DBG_ERR("ftruncate failed: %s\n", strerror(errno));
+ }
+ }
+
b = fsp->conn->spoolss_pipe->binding_handle;
switch (close_type) {
--
2.17.0
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