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opj_mj2_extract: Avoid segfault for long filenames
author
szukw000
<szukw000@arcor.de>
Tue, 13 Mar 2018 17:11:54 +0000
(18:11 +0100)
committer
Even Rouault
<even.rouault@spatialys.com>
Sat, 22 Sep 2018 21:05:38 +0000
(23:05 +0200)
src/bin/mj2/opj_mj2_extract.c
patch
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diff --git
a/src/bin/mj2/opj_mj2_extract.c
b/src/bin/mj2/opj_mj2_extract.c
index 9384dc6dbe52e12021f8305a34cf61c57c20067c..f55eb66f71434df07abac0c831fe3334f0837944 100644
(file)
--- a/
src/bin/mj2/opj_mj2_extract.c
+++ b/
src/bin/mj2/opj_mj2_extract.c
@@
-82,7
+82,7
@@
int main(int argc, char *argv[])
mj2_sample_t *sample;
unsigned char* frame_codestream;
FILE *file, *outfile;
- char outfilename[
50
];
+ char outfilename[
FILENAME_MAX
];
mj2_dparameters_t parameters;
if (argc != 3) {
@@
-91,6
+91,11
@@
int main(int argc, char *argv[])
return 1;
}
+ if (strlen(argv[2]) + 11 > sizeof(outfilename)) {
+ fprintf(stderr, "filename %d too long\n", strlen(argv[2]) + 11);
+ return 1;
+ }
+
file = fopen(argv[1], "rb");
if (!file) {