From c299fc16f2a8572780d2130ab9e55a6f22a93279 Mon Sep 17 00:00:00 2001 From: Guido van Rossum Date: Mon, 17 Sep 2001 19:28:08 +0000 Subject: Add support for restricting access based on restricted execution mode. Renamed the 'readonly' field to 'flags' and defined some new flag bits: READ_RESTRICTED and WRITE_RESTRICTED, as well as a shortcut RESTRICTED that means both. --- Python/structmember.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) (limited to 'Python/structmember.c') diff --git a/Python/structmember.c b/Python/structmember.c index e155a6b49f..ed347834fa 100644 --- a/Python/structmember.c +++ b/Python/structmember.c @@ -38,6 +38,12 @@ PyMember_Get(char *addr, struct memberlist *mlist, char *name) for (l = mlist; l->name != NULL; l++) { if (strcmp(l->name, name) == 0) { PyObject *v; + if ((l->flags & READ_RESTRICTED) && + PyEval_GetRestricted()) { + PyErr_SetString(PyExc_RuntimeError, + "restricted attribute"); + return NULL; + } addr += l->offset; switch (l->type) { case T_BYTE: @@ -133,17 +139,22 @@ PyMember_Set(char *addr, struct memberlist *mlist, char *name, PyObject *v) for (l = mlist; l->name != NULL; l++) { if (strcmp(l->name, name) == 0) { + if ((l->flags & READONLY) || l->type == T_STRING #ifdef macintosh - if (l->readonly || l->type == T_STRING || - l->type == T_PSTRING) + || l->type == T_PSTRING +#endif + ) { -#else - if (l->readonly || l->type == T_STRING ) { -#endif /* macintosh */ PyErr_SetString(PyExc_TypeError, "readonly attribute"); return -1; } + if ((l->flags & WRITE_RESTRICTED) && + PyEval_GetRestricted()) { + PyErr_SetString(PyExc_RuntimeError, + "restricted attribute"); + return -1; + } if (v == NULL && l->type != T_OBJECT) { PyErr_SetString(PyExc_TypeError, "can't delete numeric/char attribute"); -- cgit v1.2.1