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Fix opening of certain encrypted PDF files (Issue #62)

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This commit is contained in:
Michael R Sweet
2024-08-21 11:28:39 -04:00
parent 7c3651671b
commit 7d22477917
3 changed files with 16 additions and 7 deletions
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12
pdfio-file.c
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@@ -648,11 +648,12 @@ pdfioFileFindObj(
if ((current = number - 1) >= pdf->num_objs)
current = pdf->num_objs / 2;
PDFIO_DEBUG("pdfioFileFindObj: objs[current=%lu]=%p\n", (unsigned long)current, (void *)pdf->objs[current]);
PDFIO_DEBUG("pdfioFileFindObj: objs[current=%lu]=%p(%lu)\n", (unsigned long)current, (void *)pdf->objs[current], (unsigned long)(pdf->objs[current] ? pdf->objs[current]->number : 0));
if (number == pdf->objs[current]->number)
{
// Fast match...
PDFIO_DEBUG("pdfioFileFindObj: Returning %lu (%p)\n", (unsigned long)current, pdf->objs[current]);
return (pdf->objs[current]);
}
else if (number < pdf->objs[current]->number)
@@ -679,11 +680,20 @@ pdfioFileFindObj(
}
if (number == pdf->objs[left]->number)
{
PDFIO_DEBUG("pdfioFileFindObj: Returning %lu (%p)\n", (unsigned long)left, pdf->objs[left]);
return (pdf->objs[left]);
}
else if (number == pdf->objs[right]->number)
{
PDFIO_DEBUG("pdfioFileFindObj: Returning %lu (%p)\n", (unsigned long)right, pdf->objs[right]);
return (pdf->objs[right]);
}
else
{
PDFIO_DEBUG("pdfioFileFindObj: Returning NULL\n");
return (NULL);
}
}