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#include "pyutil.h"
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#include <iostream>
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#include <string>
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namespace contrib
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{
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static char cpypath[8192] = "\0";
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static PyObject *mainmod;
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static PyObject *globals;
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/* TODO: use Python 3 for this fuzzing? */
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PyMODINIT_FUNC initparsers(void);
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void initpy(const char *cselfpath)
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{
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const std::string subdir = "/sanpy/lib/python2.7";
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/* HACK ALERT: we need a full Python installation built without
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pymalloc and with ASAN, so we dump one in
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$OUT/sanpy/lib/python2.7. This helps us wire that up. */
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std::string selfpath(cselfpath);
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std::string pypath;
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auto pos = selfpath.rfind("/");
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if (pos == std::string::npos) {
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char wd[8192];
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if (!getcwd(wd, 8192)) {
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std::cerr << "Failed to call getcwd: errno " << errno
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<< std::endl;
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exit(1);
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}
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pypath = std::string(wd) + subdir;
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} else {
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pypath = selfpath.substr(0, pos) + subdir;
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}
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strncpy(cpypath, pypath.c_str(), pypath.size());
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setenv("PYTHONPATH", cpypath, 1);
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setenv("PYTHONNOUSERSITE", "1", 1);
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/* prevent Python from looking up users in the fuzz environment */
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setenv("PYTHONUSERBASE", cpypath, 1);
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Py_SetPythonHome(cpypath);
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Py_InitializeEx(0);
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mainmod = PyImport_AddModule("__main__");
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globals = PyModule_GetDict(mainmod);
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initparsers();
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}
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PyObject *pyglobals()
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{
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return globals;
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}
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} // namespace contrib
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