18 lines
811 B
Diff
18 lines
811 B
Diff
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diff -uNr apt-1.4.8/apt-pkg/acquire-method.cc apt-1.4.8.mod/apt-pkg/acquire-method.cc
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--- apt-1.4.8/apt-pkg/acquire-method.cc 2017-09-13 19:47:33.000000000 +0300
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+++ apt-1.4.8.mod/apt-pkg/acquire-method.cc 2019-01-22 23:03:29.751025868 +0200
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@@ -458,6 +458,13 @@
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* the worker will enqueue again later on to the right queue */
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void pkgAcqMethod::Redirect(const string &NewURI)
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{
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+ if (NewURI.find_first_not_of(" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~") != std::string::npos)
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+ {
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+ _error->Error("SECURITY: URL redirect target contains control characters, rejecting.");
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+ Fail();
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+ return;
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+ }
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+
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std::cout << "103 Redirect\nURI: " << Queue->Uri << "\n"
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<< "New-URI: " << NewURI << "\n"
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<< "\n" << std::flush;
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