91 lines
3.9 KiB
Diff
91 lines
3.9 KiB
Diff
From ecd9216e574039b8fba893314bdfc6edbdd6bf20 Mon Sep 17 00:00:00 2001
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From: Su_Laus <sulau@freenet.de>
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Date: Mon, 15 Aug 2022 22:11:03 +0200
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Subject: [PATCH] =?UTF-8?q?(CVE-2022-2519=20CVE-2022-2520=20CVE-2022-2521)?=
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=?UTF-8?q?=20According=20to=20Richard=20Nolde=20https://gitlab.com/libtif?=
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=?UTF-8?q?f/libtiff/-/issues/401#note=5F877637400=20the=20tiffcrop=20opti?=
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=?UTF-8?q?on=20=E2=80=9E-S=E2=80=9C=20is=20also=20mutually=20exclusive=20?=
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=?UTF-8?q?to=20the=20other=20crop=20options=20(-X|-Y),=20-Z=20and=20-z.?=
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This is now checked and ends tiffcrop if those arguments are not mutually exclusive.
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This MR will fix the following tiffcrop issues: #349, #414, #422, #423, #424
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(cherry picked from commit 8fe3735942ea1d90d8cef843b55b3efe8ab6feaf)
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---
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tools/tiffcrop.c | 27 ++++++++++++++-------------
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1 file changed, 14 insertions(+), 13 deletions(-)
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diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c
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index 90286a5e..d9213ecb 100644
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--- a/tools/tiffcrop.c
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+++ b/tools/tiffcrop.c
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@@ -108,7 +108,7 @@
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* lower level, scanline level routines. Debug reports a limited set
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* of messages to monitor progress without enabling dump logs.
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*
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- * Note: The (-X|-Y), -Z and -z options are mutually exclusive.
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+ * Note: The (-X|-Y), -Z, -z and -S options are mutually exclusive.
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* In no case should the options be applied to a given selection successively.
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*/
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@@ -173,12 +173,12 @@ static char tiffcrop_rev_date[] = "02-09-2022";
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#define ROTATECW_270 32
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#define ROTATE_ANY (ROTATECW_90 | ROTATECW_180 | ROTATECW_270)
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-#define CROP_NONE 0
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-#define CROP_MARGINS 1
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-#define CROP_WIDTH 2
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-#define CROP_LENGTH 4
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-#define CROP_ZONES 8
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-#define CROP_REGIONS 16
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+#define CROP_NONE 0 /* "-S" -> Page_MODE_ROWSCOLS and page->rows/->cols != 0 */
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+#define CROP_MARGINS 1 /* "-m" */
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+#define CROP_WIDTH 2 /* "-X" */
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+#define CROP_LENGTH 4 /* "-Y" */
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+#define CROP_ZONES 8 /* "-Z" */
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+#define CROP_REGIONS 16 /* "-z" */
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#define CROP_ROTATE 32
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#define CROP_MIRROR 64
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#define CROP_INVERT 128
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@@ -316,7 +316,7 @@ struct crop_mask {
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#define PAGE_MODE_RESOLUTION 1
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#define PAGE_MODE_PAPERSIZE 2
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#define PAGE_MODE_MARGINS 4
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-#define PAGE_MODE_ROWSCOLS 8
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+#define PAGE_MODE_ROWSCOLS 8 /* for -S option */
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#define INVERT_DATA_ONLY 10
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#define INVERT_DATA_AND_TAG 11
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@@ -781,7 +781,7 @@ static const char usage_info[] =
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" The four debug/dump options are independent, though it makes little sense to\n"
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" specify a dump file without specifying a detail level.\n"
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"\n"
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-"Note: The (-X|-Y), -Z and -z options are mutually exclusive.\n"
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+"Note: The (-X|-Y), -Z, -z and -S options are mutually exclusive.\n"
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" In no case should the options be applied to a given selection successively.\n"
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"\n"
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;
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@@ -2131,13 +2131,14 @@ void process_command_opts (int argc, char *argv[], char *mp, char *mode, uint32
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/*NOTREACHED*/
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}
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}
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- /*-- Check for not allowed combinations (e.g. -X, -Y and -Z and -z are mutually exclusive) --*/
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- char XY, Z, R;
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+ /*-- Check for not allowed combinations (e.g. -X, -Y and -Z, -z and -S are mutually exclusive) --*/
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+ char XY, Z, R, S;
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XY = ((crop_data->crop_mode & CROP_WIDTH) || (crop_data->crop_mode & CROP_LENGTH));
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Z = (crop_data->crop_mode & CROP_ZONES);
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R = (crop_data->crop_mode & CROP_REGIONS);
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- if ((XY && Z) || (XY && R) || (Z && R)) {
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- TIFFError("tiffcrop input error", "The crop options(-X|-Y), -Z and -z are mutually exclusive.->Exit");
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+ S = (page->mode & PAGE_MODE_ROWSCOLS);
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+ if ((XY && Z) || (XY && R) || (XY && S) || (Z && R) || (Z && S) || (R && S)) {
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+ TIFFError("tiffcrop input error", "The crop options(-X|-Y), -Z, -z and -S are mutually exclusive.->Exit");
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exit(EXIT_FAILURE);
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}
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} /* end process_command_opts */
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