108 lines
3 KiB
C
108 lines
3 KiB
C
#include <ruby.h>
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#include <libhbsdcontrol.h>
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#include <unistd.h>
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static VALUE
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get_rb_eError(void)
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{
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VALUE rb_mBSD = rb_const_get(rb_cObject, rb_intern("BSD")),
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rb_mControl = rb_const_get(rb_mBSD, rb_intern("Control")),
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rb_eError = rb_const_get(rb_mControl, rb_intern("Error"));
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return rb_eError;
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}
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static VALUE
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ffi_library_version(VALUE self)
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{
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const char *ver;
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ver = hbsdcontrol_get_version();
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return rb_str_new2(ver);
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}
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static VALUE
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ffi_available_features(VALUE self)
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{
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const struct pax_feature_entry *entry = &pax_features[0];
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VALUE rb_mBSD = rb_const_get(rb_cObject, rb_intern("BSD")),
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rb_mControl = rb_const_get(rb_mBSD, rb_intern("Control")),
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rb_cFeature = rb_const_get(rb_mControl, rb_intern("Feature")),
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features = rb_ary_new(),
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feature = 0;
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while (entry->feature != NULL) {
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feature = rb_funcall(
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rb_cFeature,
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rb_intern("new"),
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3,
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rb_str_new2(entry->feature),
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rb_str_new2(entry->extattr[1]),
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rb_str_new2(entry->extattr[0])
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);
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rb_ary_push(features, feature);
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entry++;
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}
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return features;
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}
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static VALUE
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ffi_reset(VALUE self, VALUE rb_feature, VALUE rb_path)
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{
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VALUE rb_enable_flag, rb_disable_flag;
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char *enable_flag, *disable_flag, *path;
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int r;
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rb_enable_flag = rb_funcall(rb_feature, rb_intern("enable"), 0);
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rb_disable_flag = rb_funcall(rb_feature, rb_intern("disable"), 0);
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Check_Type(rb_path, T_STRING);
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Check_Type(rb_enable_flag, T_STRING);
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Check_Type(rb_disable_flag, T_STRING);
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path = RSTRING_PTR(rb_path);
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enable_flag = RSTRING_PTR(rb_enable_flag);
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disable_flag = RSTRING_PTR(rb_disable_flag);
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r = hbsdcontrol_extattr_rm_attr(path, disable_flag);
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r &= hbsdcontrol_extattr_rm_attr(path, enable_flag);
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return r == 0 ? Qtrue : Qfalse;
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}
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static VALUE
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feature_set(VALUE self, VALUE path, VALUE state)
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{
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int r;
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char *cpath;
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VALUE name;
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if (getuid() != 0) {
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rb_raise(get_rb_eError(), "This operation requires root privileges.");
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}
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Check_Type(path, T_STRING);
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Check_Type(state, T_FIXNUM);
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cpath = RSTRING_PTR(path);
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name = rb_funcall(self, rb_intern("name"), 0);
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Check_Type(name, T_STRING);
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r = hbsdcontrol_set_feature_state(
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cpath,
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RSTRING_PTR(name),
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NUM2INT(state)
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);
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if (r == 0) {
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return Qtrue;
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} else {
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rb_raise(get_rb_eError(), "hbsdcontrol_set_feature_state failed");
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}
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}
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void
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Init_hbsdctl(void)
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{
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VALUE rb_mBSD = rb_const_get(rb_cObject, rb_intern("BSD")),
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rb_mControl = rb_const_get(rb_mBSD, rb_intern("Control")),
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rb_cFeature = rb_const_get(rb_mControl, rb_intern("Feature")),
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rb_mFFI = rb_const_get(rb_mControl, rb_intern("FFI"));
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rb_define_const(rb_mControl, "Disable", INT2NUM(0));
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rb_define_const(rb_mControl, "Enable", INT2NUM(1));
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rb_define_singleton_method(rb_mFFI, "available_features", ffi_available_features, 0);
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rb_define_singleton_method(rb_mFFI, "library_version", ffi_library_version, 0);
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rb_define_singleton_method(rb_mFFI, "reset!", ffi_reset, 2);
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rb_define_private_method(rb_cFeature, "set!", feature_set, 2);
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}
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