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socks.c: Do not modify and invalidate calculated response length
Second commit to fix issue #944 regarding SOCKS5 error handling. Reported-by: David Kalnischkies
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@ -702,10 +702,9 @@ CURLcode Curl_SOCKS5(const char *proxy_name,
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/* decrypt_gssapi_blockread already read the whole packet */
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#endif
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if(len > 10) {
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len -= 10;
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result = Curl_blockread_all(conn, sock, (char *)&socksreq[10],
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len, &actualread);
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if(result || (len != actualread)) {
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len - 10, &actualread);
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if(result || ((len - 10) != actualread)) {
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failf(data, "Failed to receive SOCKS5 connect request ack.");
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return CURLE_COULDNT_CONNECT;
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}
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