Ly8gQ29weXJpZ2h0IDIwMTggVGhlIENocm9taXVtIEF1dGhvcnMuIEFsbCByaWdodHMgcmVzZXJ2ZWQuCi8vIFVzZSBvZiB0aGlzIHNvdXJjZSBjb2RlIGlzIGdvdmVybmVkIGJ5IGEgQlNELXN0eWxlIGxpY2Vuc2UgdGhhdCBjYW4gYmUKLy8gZm91bmQgaW4gdGhlIExJQ0VOU0UgZmlsZS4KCiNpbmNsdWRlICJ0b29scy9nbi9tZXRhZGF0YS5oIgoKI2luY2x1ZGUgInRvb2xzL2duL2ZpbGVzeXN0ZW1fdXRpbHMuaCIKCmJvb2wgTWV0YWRhdGE6OldhbGtTdGVwKGNvbnN0IEJ1aWxkU2V0dGluZ3MqIHNldHRpbmdzLAogICAgICAgICAgICAgICAgICAgICAgICBjb25zdCBzdGQ6OnZlY3RvcjxzdGQ6OnN0cmluZz4mIGtleXNfdG9fZXh0cmFjdCwKICAgICAgICAgICAgICAgICAgICAgICAgY29uc3Qgc3RkOjp2ZWN0b3I8c3RkOjpzdHJpbmc+JiBrZXlzX3RvX3dhbGssCiAgICAgICAgICAgICAgICAgICAgICAgIGNvbnN0IFNvdXJjZURpciYgcmViYXNlX2RpciwKICAgICAgICAgICAgICAgICAgICAgICAgc3RkOjp2ZWN0b3I8VmFsdWU+KiBuZXh0X3dhbGtfa2V5cywKICAgICAgICAgICAgICAgICAgICAgICAgc3RkOjp2ZWN0b3I8VmFsdWU+KiByZXN1bHQsCiAgICAgICAgICAgICAgICAgICAgICAgIEVyciogZXJyKSBjb25zdCB7CiAgLy8gSWYgdGhlcmUncyBubyBtZXRhZGF0YSwgdGhlcmUncyBub3RoaW5nIHRvIGZpbmQsIHNvIHF1aWNrIGV4aXQuCiAgaWYgKGNvbnRlbnRzXy5lbXB0eSgpKSB7CiAgICBuZXh0X3dhbGtfa2V5cy0+ZW1wbGFjZV9iYWNrKG51bGxwdHIsICIiKTsKICAgIHJldHVybiB0cnVlOwogIH0KCiAgLy8gUHVsbCB0aGUgZGF0YSBmcm9tIGVhY2ggc3BlY2lmaWVkIGtleS4KICBmb3IgKGNvbnN0IGF1dG8mIGtleSA6IGtleXNfdG9fZXh0cmFjdCkgewogICAgYXV0byBpdGVyID0gY29udGVudHNfLmZpbmQoa2V5KTsKICAgIGlmIChpdGVyID09IGNvbnRlbnRzXy5lbmQoKSkKICAgICAgY29udGludWU7CiAgICBhc3NlcnQoaXRlci0+c2Vjb25kLnR5cGUoKSA9PSBWYWx1ZTo6TElTVCk7CgogICAgaWYgKCFyZWJhc2VfZGlyLmlzX251bGwoKSkgewogICAgICBmb3IgKGNvbnN0IGF1dG8mIHZhbCA6IGl0ZXItPnNlY29uZC5saXN0X3ZhbHVlKCkpIHsKICAgICAgICBzdGQ6OnBhaXI8VmFsdWUsIGJvb2w+IHBhaXIgPQogICAgICAgICAgICB0aGlzLT5SZWJhc2VWYWx1ZShzZXR0aW5ncywgcmViYXNlX2RpciwgdmFsLCBlcnIpOwogICAgICAgIGlmICghcGFpci5zZWNvbmQpCiAgICAgICAgICByZXR1cm4gZmFsc2U7CiAgICAgICAgcmVzdWx0LT5wdXNoX2JhY2socGFpci5maXJzdCk7CiAgICAgIH0KICAgIH0gZWxzZSB7CiAgICAgIHJlc3VsdC0+aW5zZXJ0KHJlc3VsdC0+ZW5kKCksIGl0ZXItPnNlY29uZC5saXN0X3ZhbHVlKCkuYmVnaW4oKSwKICAgICAgICAgICAgICAgICAgICAgaXRlci0+c2Vjb25kLmxpc3RfdmFsdWUoKS5lbmQoKSk7CiAgICB9CiAgfQoKICAvLyBHZXQgdGhlIHRhcmdldHMgdG8gbG9vayBhdCBuZXh0LiBJZiBubyBrZXlzX3RvX3dhbGsgYXJlIHByZXNlbnQsIHdlIHB1c2gKICAvLyB0aGUgZW1wdHkgc3RyaW5nIHRvIHRoZSBsaXN0IHNvIHRoYXQgdGhlIHRhcmdldCBrbm93cyB0byBpbmNsdWRlIGl0cyBkZXBzCiAgLy8gYW5kIGRhdGFfZGVwcy4gVGhlIHZhbHVlcyB1c2VkIGhlcmUgbXVzdCBiZSBsaXN0cyBvZiBzdHJpbmdzLgogIGJvb2wgZm91bmRfd2Fsa19rZXkgPSBmYWxzZTsKICBmb3IgKGNvbnN0IGF1dG8mIGtleSA6IGtleXNfdG9fd2FsaykgewogICAgYXV0byBpdGVyID0gY29udGVudHNfLmZpbmQoa2V5KTsKICAgIGlmIChpdGVyICE9IGNvbnRlbnRzXy5lbmQoKSkgewogICAgICBmb3VuZF93YWxrX2tleSA9IHRydWU7CiAgICAgIGFzc2VydChpdGVyLT5zZWNvbmQudHlwZSgpID09IFZhbHVlOjpMSVNUKTsKICAgICAgZm9yIChjb25zdCBhdXRvJiB2YWwgOiBpdGVyLT5zZWNvbmQubGlzdF92YWx1ZSgpKSB7CiAgICAgICAgaWYgKCF2YWwuVmVyaWZ5VHlwZUlzKFZhbHVlOjpTVFJJTkcsIGVycikpCiAgICAgICAgICByZXR1cm4gZmFsc2U7CiAgICAgICAgbmV4dF93YWxrX2tleXMtPmVtcGxhY2VfYmFjayh2YWwpOwogICAgICB9CiAgICB9CiAgfQoKICBpZiAoIWZvdW5kX3dhbGtfa2V5KQogICAgbmV4dF93YWxrX2tleXMtPmVtcGxhY2VfYmFjayhudWxscHRyLCAiIik7CgogIHJldHVybiB0cnVlOwp9CgpzdGQ6OnBhaXI8VmFsdWUsIGJvb2w+IE1ldGFkYXRhOjpSZWJhc2VWYWx1ZShjb25zdCBCdWlsZFNldHRpbmdzKiBzZXR0aW5ncywKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgY29uc3QgU291cmNlRGlyJiByZWJhc2VfZGlyLAogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBjb25zdCBWYWx1ZSYgdmFsdWUsCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIEVyciogZXJyKSBjb25zdCB7CiAgc3dpdGNoICh2YWx1ZS50eXBlKCkpIHsKICAgIGNhc2UgVmFsdWU6OlNUUklORzoKICAgICAgcmV0dXJuIHRoaXMtPlJlYmFzZVN0cmluZ1ZhbHVlKHNldHRpbmdzLCByZWJhc2VfZGlyLCB2YWx1ZSwgZXJyKTsKICAgIGNhc2UgVmFsdWU6OkxJU1Q6CiAgICAgIHJldHVybiB0aGlzLT5SZWJhc2VMaXN0VmFsdWUoc2V0dGluZ3MsIHJlYmFzZV9kaXIsIHZhbHVlLCBlcnIpOwogICAgY2FzZSBWYWx1ZTo6U0NPUEU6CiAgICAgIHJldHVybiB0aGlzLT5SZWJhc2VTY29wZVZhbHVlKHNldHRpbmdzLCByZWJhc2VfZGlyLCB2YWx1ZSwgZXJyKTsKICAgIGRlZmF1bHQ6CiAgICAgIHJldHVybiBzdGQ6Om1ha2VfcGFpcih2YWx1ZSwgdHJ1ZSk7CiAgfQp9CgpzdGQ6OnBhaXI8VmFsdWUsIGJvb2w+IE1ldGFkYXRhOjpSZWJhc2VTdHJpbmdWYWx1ZSgKICAgIGNvbnN0IEJ1aWxkU2V0dGluZ3MqIHNldHRpbmdzLAogICAgY29uc3QgU291cmNlRGlyJiByZWJhc2VfZGlyLAogICAgY29uc3QgVmFsdWUmIHZhbHVlLAogICAgRXJyKiBlcnIpIGNvbnN0IHsKICBpZiAoIXZhbHVlLlZlcmlmeVR5cGVJcyhWYWx1ZTo6U1RSSU5HLCBlcnIpKQogICAgcmV0dXJuIHN0ZDo6bWFrZV9wYWlyKHZhbHVlLCBmYWxzZSk7CiAgc3RkOjpzdHJpbmcgZmlsZW5hbWUgPSBzb3VyY2VfZGlyXy5SZXNvbHZlUmVsYXRpdmVBcygKICAgICAgLyphc19maWxlID0gKi8gdHJ1ZSwgdmFsdWUsIGVyciwgc2V0dGluZ3MtPnJvb3RfcGF0aF91dGY4KCkpOwogIGlmIChlcnItPmhhc19lcnJvcigpKQogICAgcmV0dXJuIHN0ZDo6bWFrZV9wYWlyKHZhbHVlLCBmYWxzZSk7CiAgVmFsdWUgcmViYXNlZF92YWx1ZSh2YWx1ZS5vcmlnaW4oKSwgUmViYXNlUGF0aChmaWxlbmFtZSwgcmViYXNlX2RpciwKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHNldHRpbmdzLT5yb290X3BhdGhfdXRmOCgpKSk7CiAgcmV0dXJuIHN0ZDo6bWFrZV9wYWlyKHJlYmFzZWRfdmFsdWUsIHRydWUpOwp9CgpzdGQ6OnBhaXI8VmFsdWUsIGJvb2w+IE1ldGFkYXRhOjpSZWJhc2VMaXN0VmFsdWUoY29uc3QgQnVpbGRTZXR0aW5ncyogc2V0dGluZ3MsCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBjb25zdCBTb3VyY2VEaXImIHJlYmFzZV9kaXIsCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBjb25zdCBWYWx1ZSYgdmFsdWUsCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg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