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Merge pull request #3809 from lordofhyphens/fix-3238-garbage-stl

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Abort loading if the file size is larger than the header facets
This commit is contained in:
Joseph Lenox 2017-03-26 15:22:12 -05:00 committed by GitHub
commit 9ecc1a2603
1 changed files with 6 additions and 0 deletions
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6
xs/src/admesh/stlinit.c
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@ -131,6 +131,12 @@ stl_count_facets(stl_file *stl, const char *file) {
if((!fread(&header_num_facets, sizeof(int), 1, stl->fp)) || (num_facets != header_num_facets)) {
fprintf(stderr,
"Warning: File size doesn't match number of facets in the header\n");
if(num_facets > header_num_facets) {
// this file is garbage.
stl->error = 1;
return;
}
}
}
/* Otherwise, if the .STL file is ASCII, then do the following */