ce05754c7c
kpcyrd
2026-04-10
Subject
rustls: handle EOF during initial handshake
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Commit Diff GitHub →
lib/vtls/rustls.c+8 -1
| @@ -1138,6 +1138,7 @@ static CURLcode cr_connect(struct Curl_cfilter *cf, struct Curl_easy *data, | |
| CURLcode result; | |
| bool wants_read; | |
| bool wants_write; | |
| + | ssize_t nread; |
| DEBUGASSERT(backend); | |
| @@ -1280,7 +1281,13 @@ static CURLcode cr_connect(struct Curl_cfilter *cf, struct Curl_easy *data, | |
| if(wants_read) { | |
| CURL_TRC_CF(data, cf, "rustls_connection wants us to read_tls."); | |
| - | if(tls_recv_more(cf, data, &tmperr) < 0) { |
| + | nread = tls_recv_more(cf, data, &tmperr); |
| + | if(nread == 0) { |
| + | connssl->peer_closed = TRUE; |
| + | failf(data, "TLS connect error: Connection closed abruptly"); |
| + | return CURLE_SSL_CONNECT_ERROR; |
| + | } |
| + | if(nread < 0) { |
| if(tmperr == CURLE_AGAIN) { | |
| CURL_TRC_CF(data, cf, "reading would block"); | |
| connssl->io_need = CURL_SSL_IO_NEED_RECV; | |