Revision 070fae6d0ff49e63bfd5f2bdc66f8eb1df3b6557 authored by Christian Heimes on 02 July 2019, 18:39:42 UTC, committed by Ned Deily on 02 July 2019, 18:42:08 UTC
ssl.match_hostname() no longer accepts IPv4 addresses with additional text after the address and only quad-dotted notation without trailing whitespaces. Some inet_aton() implementations ignore whitespace and all data after whitespace, e.g. '127.0.0.1 whatever'. Short notations like '127.1' for '127.0.0.1' were already filtered out. The bug was initially found by Dominik Czarnota and reported by Paul Kehrer. Signed-off-by: Christian Heimes <christian@python.org> https://bugs.python.org/issue37463
1 parent dcc0eb3
symtablemodule.c
#include "Python.h"
#include "code.h"
#include "Python-ast.h"
#include "symtable.h"
#include "clinic/symtablemodule.c.h"
/*[clinic input]
module _symtable
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=f4685845a7100605]*/
/*[clinic input]
_symtable.symtable
str: str
filename: object(converter='PyUnicode_FSDecoder')
startstr: str
/
Return symbol and scope dictionaries used internally by compiler.
[clinic start generated code]*/
static PyObject *
_symtable_symtable_impl(PyObject *module, const char *str,
PyObject *filename, const char *startstr)
/*[clinic end generated code: output=914b369c9b785956 input=6c615e84d5f408e3]*/
{
struct symtable *st;
PyObject *t;
int start;
if (strcmp(startstr, "exec") == 0)
start = Py_file_input;
else if (strcmp(startstr, "eval") == 0)
start = Py_eval_input;
else if (strcmp(startstr, "single") == 0)
start = Py_single_input;
else {
PyErr_SetString(PyExc_ValueError,
"symtable() arg 3 must be 'exec' or 'eval' or 'single'");
Py_DECREF(filename);
return NULL;
}
st = Py_SymtableStringObject(str, filename, start);
Py_DECREF(filename);
if (st == NULL)
return NULL;
t = (PyObject *)st->st_top;
Py_INCREF(t);
PyMem_Free((void *)st->st_future);
PySymtable_Free(st);
return t;
}
static PyMethodDef symtable_methods[] = {
_SYMTABLE_SYMTABLE_METHODDEF
{NULL, NULL} /* sentinel */
};
static struct PyModuleDef symtablemodule = {
PyModuleDef_HEAD_INIT,
"_symtable",
NULL,
-1,
symtable_methods,
NULL,
NULL,
NULL,
NULL
};
PyMODINIT_FUNC
PyInit__symtable(void)
{
PyObject *m;
if (PyType_Ready(&PySTEntry_Type) < 0)
return NULL;
m = PyModule_Create(&symtablemodule);
if (m == NULL)
return NULL;
PyModule_AddIntMacro(m, USE);
PyModule_AddIntMacro(m, DEF_GLOBAL);
PyModule_AddIntMacro(m, DEF_LOCAL);
PyModule_AddIntMacro(m, DEF_PARAM);
PyModule_AddIntMacro(m, DEF_FREE);
PyModule_AddIntMacro(m, DEF_FREE_CLASS);
PyModule_AddIntMacro(m, DEF_IMPORT);
PyModule_AddIntMacro(m, DEF_BOUND);
PyModule_AddIntMacro(m, DEF_ANNOT);
PyModule_AddIntConstant(m, "TYPE_FUNCTION", FunctionBlock);
PyModule_AddIntConstant(m, "TYPE_CLASS", ClassBlock);
PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock);
PyModule_AddIntMacro(m, LOCAL);
PyModule_AddIntMacro(m, GLOBAL_EXPLICIT);
PyModule_AddIntMacro(m, GLOBAL_IMPLICIT);
PyModule_AddIntMacro(m, FREE);
PyModule_AddIntMacro(m, CELL);
PyModule_AddIntConstant(m, "SCOPE_OFF", SCOPE_OFFSET);
PyModule_AddIntMacro(m, SCOPE_MASK);
if (PyErr_Occurred()) {
Py_DECREF(m);
m = 0;
}
return m;
}
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