2020-11-05 16:05:50 +01:00
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diff -uNr apt-2.1.11/cmdline/apt.cc apt-2.1.11.mod/cmdline/apt.cc
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--- apt-2.1.11/cmdline/apt.cc 2020-11-05 16:56:10.361005861 +0200
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+++ apt-2.1.11.mod/cmdline/apt.cc 2020-11-05 17:03:32.752181628 +0200
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@@ -106,6 +106,26 @@
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2020-09-28 01:33:44 +02:00
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return 1;
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}
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+ // Reversed /data/data/com.termux/files/usr. Prevents patching with 'sed'
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+ // by using equal-size prefixes.
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+ const char termux_prefix_obfs[] = "rsu/selif/xumret.moc/atad/atad/";
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+ char termux_prefix[sizeof(termux_prefix_obfs)/sizeof(char)] = {0};
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+ int termux_prefix_len = sizeof(termux_prefix_obfs)/sizeof(char) - 1;
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+
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+ // Decode.
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+ for (int i=0; i<termux_prefix_len; i++) {
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+ termux_prefix[termux_prefix_len - 1 - i] = termux_prefix_obfs[i];
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+ }
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+
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+ // Stub to verify that we can access @TERMUX_PREFIX@ and it is a directory.
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+ // If checks failed, then we probably running in incompatible environment.
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+ // In this case warn user and exit with status 1.
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+ if (access(termux_prefix, R_OK) != 0) {
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+ std::cerr << "Warning: aborting execution because " << termux_prefix << " is not accessible." << std::endl;
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+ std::cerr << "Please make sure that program is compiled with correct prefix." << std::endl;
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+ return 1;
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+ }
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+
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CommandLine CmdL;
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auto const Cmds = ParseCommandLine(CmdL, APT_CMD::APT, &_config, &_system, argc, argv, &ShowHelp, &GetCommands);
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