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Reject unexpected raster formats

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This commit is contained in:
Peter De Wachter 2015-01-31 23:16:35 +01:00
parent 1474716b27
commit 569e3f7766
1 changed files with 11 additions and 1 deletions
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12
src/main.cc
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@ -169,7 +169,16 @@ int main(int argc, char *argv[]) {
{ {
job job(stdout, ascii_job_name(job_name, job_charset)); job job(stdout, ascii_job_name(job_name, job_charset));
while (!interrupted && cupsRasterReadHeader2(ras, &header)) { while (!interrupted && cupsRasterReadHeader2(ras, &header)) {
if (header.cupsBitsPerPixel != 1
|| header.cupsBitsPerColor != 1
|| header.cupsNumColors != 1
|| header.cupsBytesPerLine > 10000) {
fprintf(stderr, "ERROR: Page %d: Bogus raster data.\n", pages + 1);
dump_page_header(header);
return 1;
}
if (pages == 0) { if (pages == 0) {
fprintf(stderr, "DEBUG: Page header of first page\n");
dump_page_header(header); dump_page_header(header);
} }
job.encode_page(build_page_params(), job.encode_page(build_page_params(),
@ -180,8 +189,9 @@ int main(int argc, char *argv[]) {
fprintf(stderr, "PAGE: %d %d\n", ++pages, header.NumCopies); fprintf(stderr, "PAGE: %d %d\n", ++pages, header.NumCopies);
} }
} }
if (pages == 0) { if (pages == 0) {
fprintf(stderr, "ERROR: No pages were found."); fprintf(stderr, "ERROR: No pages were found.\n");
return 1; return 1;
} }