ghostscript/ghostscript-cve-2020-16299.patch

59 lines
1.8 KiB
Diff

diff --git a/contrib/japanese/gdev10v.c b/contrib/japanese/gdev10v.c
index 5c8b7fb..53da0ec 100644
--- a/contrib/japanese/gdev10v.c
+++ b/contrib/japanese/gdev10v.c
@@ -73,8 +73,20 @@ gx_device_procs prn_bj10v_procs =
prn_matrix_procs(gdev_prn_open, bj10v_get_initial_matrix,
gdev_prn_output_page, gdev_prn_close);
#endif
+
+static int
+bj10v_open(gx_device * pdev)
+{
+ if (pdev->HWResolution[0] < 180 ||
+ pdev->HWResolution[1] < 180)
+ {
+ emprintf(pdev->memory, "device requires a resolution of at least 180dpi\n");
+ return_error(gs_error_rangecheck);
+ }
+ return gdev_prn_open(pdev);
+}
gx_device_procs prn_bj10v_procs =
- prn_procs(gdev_prn_open, gdev_prn_output_page, gdev_prn_close);
+ prn_procs(bj10v_open, gdev_prn_output_page, gdev_prn_close);
gx_device_printer gs_bj10v_device =
prn_device(prn_bj10v_procs, "bj10v",
diff --git a/contrib/japanese/gdevalps.c b/contrib/japanese/gdevalps.c
index f29aeb1..d4de619 100644
--- a/contrib/japanese/gdevalps.c
+++ b/contrib/japanese/gdevalps.c
@@ -155,13 +155,20 @@ static const char end_md[] = {
static int
md_open(gx_device *pdev)
{
- static const float md_margins[4] =
- { MD_SIDE_MARGIN, MD_BOTTOM_MARGIN,
- MD_SIDE_MARGIN, MD_TOP_MARGIN
- };
-
- gx_device_set_margins(pdev, md_margins, true);
- return gdev_prn_open(pdev);
+ static const float md_margins[4] =
+ {
+ MD_SIDE_MARGIN, MD_BOTTOM_MARGIN,
+ MD_SIDE_MARGIN, MD_TOP_MARGIN
+ };
+
+ if (pdev->HWResolution[0] != 600)
+ {
+ emprintf(pdev->memory, "device must have an X resolution of 600dpi\n");
+ return_error(gs_error_rangecheck);
+ }
+
+ gx_device_set_margins(pdev, md_margins, true);
+ return gdev_prn_open(pdev);
}
/* MD5000 monochrome mode entrance. */