Felix-Gong commented on code in PR #3316:
URL: https://github.com/apache/brpc/pull/3316#discussion_r3328169041
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src/brpc/socket.cpp:
##########
@@ -2133,11 +2133,19 @@ ssize_t Socket::DoRead(size_t size_hint) {
default: {
const unsigned long e = ERR_get_error();
if (nr == 0) {
- // Socket EOF or SSL session EOF
+ if (ssl_error != SSL_ERROR_ZERO_RETURN) {
+ // Unexpected EOF without proper SSL shutdown (close_notify)
+ LOG(WARNING) << "Fail to read from ssl_fd=" << fd()
+ << ": unexpected ssl_error=" << ssl_error;
+ errno = ESSL;
+ return -1;
+ }
+ // Clean SSL shutdown (close_notify received)
} else if (e != 0) {
LOG(WARNING) << "Fail to read from ssl_fd=" << fd()
<< ": " << SSLError(e);
errno = ESSL;
+ return -1;
Review Comment:
You're right. No changes are needed for this branch — the real fix is only
in the if (nr == 0) branch where the original code fell through and returned 0
without distinguishing unexpected SSL EOF from a clean shutdown. I'll revert
this change.
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