30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
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$NetBSD: patch-src_common_latex.py,v 1.1 2012/04/17 20:57:09 gls Exp $
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CVE-2012-2093: improve temp file search when using latex to prevent overwriting files
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Taken from upstream repository: https://trac.gajim.org/changeset/13759/src/common/latex.py
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--- src/common/latex.py.orig 2012-03-18 11:25:56.000000000 +0000
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+++ src/common/latex.py
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@@ -59,8 +59,19 @@ def check_blacklist(str_):
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def get_tmpfile_name():
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random.seed()
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- int_ = random.randint(0, 100)
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- return os.path.join(gettempdir(), 'gajimtex_' + int_.__str__())
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+ while(nb < 100):
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+ int_ = random.randint(0, 10000)
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+ filename = os.path.join(gettempdir(), 'gajimtex_' + int_.__str__())
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+ # Check if a file to not overwrite it
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+ ok = True
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+ extensions = ['.tex', '.log', '.aux', '.dvi']
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+ for ext in extensions:
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+ if os.path.exists(filename + ext):
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+ ok = False
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+ break
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+ if ok:
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+ return filename
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+ return filename
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def write_latex(filename, str_):
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texstr = '\\documentclass[12pt]{article}\\usepackage[dvips]{graphicx}'
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