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-rw-r--r--ext/openssl/ossl_config.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/ext/openssl/ossl_config.c b/ext/openssl/ossl_config.c
index cc8e324029..10c865e9bb 100644
--- a/ext/openssl/ossl_config.c
+++ b/ext/openssl/ossl_config.c
@@ -158,6 +158,14 @@ ossl_config_initialize(int argc, VALUE *argv, VALUE self)
return self;
}
+static void
+rb_ossl_config_modify_check(VALUE config)
+{
+ if (OBJ_FROZEN(config)) rb_error_frozen("OpenSSL::Config");
+ if (!OBJ_TAINTED(config) && rb_safe_level() >= 4)
+ rb_raise(rb_eSecurityError, "Insecure: can't modify OpenSSL config");
+}
+
static VALUE
ossl_config_add_value(VALUE self, VALUE section, VALUE name, VALUE value)
{
@@ -167,6 +175,7 @@ ossl_config_add_value(VALUE self, VALUE section, VALUE name, VALUE value)
CONF *conf;
CONF_VALUE *sv, *cv;
+ rb_ossl_config_modify_check(self);
StringValue(section);
StringValue(name);
StringValue(value);
@@ -247,6 +256,7 @@ ossl_config_set_section(VALUE self, VALUE section, VALUE hash)
{
VALUE arg[2];
+ rb_ossl_config_modify_check(self);
arg[0] = self;
arg[1] = section;
rb_block_call(hash, rb_intern("each"), 0, 0, set_conf_section_i, (VALUE)arg);