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[trunk] add a check for illegal SCod value (fixes issue 400)
author
Antonin Descampe
<antonin@gmail.com>
Wed, 15 Oct 2014 08:48:19 +0000
(08:48 +0000)
committer
Antonin Descampe
<antonin@gmail.com>
Wed, 15 Oct 2014 08:48:19 +0000
(08:48 +0000)
src/lib/openjp2/j2k.c
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diff --git
a/src/lib/openjp2/j2k.c
b/src/lib/openjp2/j2k.c
index a0fa82a407276781eea2972297bcb09061d23047..4324c733358316d8628fc38b05c2d6d015ed3026 100644
(file)
--- a/
src/lib/openjp2/j2k.c
+++ b/
src/lib/openjp2/j2k.c
@@
-2415,6
+2415,11
@@
static OPJ_BOOL opj_j2k_read_cod ( opj_j2k_t *p_j2k,
opj_read_bytes(p_header_data,&l_tcp->csty,1); /* Scod */
++p_header_data;
+ /* Make sure we know how to decode this */
+ if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP | J2K_CP_CSTY_EPH)) != 0U) {
+ opj_event_msg(p_manager, EVT_ERROR, "Unknown Scod value in COD marker\n");
+ return OPJ_FALSE;
+ }
opj_read_bytes(p_header_data,&l_tmp,1); /* SGcod (A) */
++p_header_data;
l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;