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Warn on access/modify of $SAFE, and remove effects of modifying $SAFE

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This removes the security features added by $SAFE = 1, and warns for access
or modification of $SAFE from Ruby-level, as well as warning when calling
all public C functions related to $SAFE.

This modifies some internal functions that took a safe level argument
to no longer take the argument.

rb_require_safe now warns, rb_require_string has been added as a
version that takes a VALUE and does not warn.

One public C function that still takes a safe level argument and that
this doesn't warn for is rb_eval_cmd.  We may want to consider
adding an alternative method that does not take a safe level argument,
and warn for rb_eval_cmd.
This commit is contained in:
Jeremy Evans 2019-09-20 19:06:22 -07:00
parent 7b6a8b5b54
commit c5c05460ac
Notes: git 2019-11-18 08:01:15 +09:00
59 changed files with 283 additions and 751 deletions
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ext/socket/constants.c
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@ -28,7 +28,6 @@ constant_arg(VALUE arg, int (*str_to_int)(const char*, long, int*), const char *
else if (!NIL_P(tmp = rb_check_string_type(arg))) {
arg = tmp;
str:
rb_check_safe_obj(arg);
ptr = RSTRING_PTR(arg);
if (str_to_int(ptr, RSTRING_LEN(arg), &ret) == -1)
rb_raise(rb_eSocket, "%s: %s", errmsg, ptr);