Re: Problems with SSL_read() - SSL_ERROR_SYSCALL
Hi, This looks more like a network issue than programming issue. The same server when tested from a different network, it works without problems. Warm Regards, Arun S. On 7/31/07, jimmy bahuleyan [EMAIL PROTECTED] wrote: Arun Singarajipura wrote: Hi, Thanks for the reply. I used WSAGetLastError() just after SSL_read() and the result of this is *Read failed with error 10054: An existing connection was forcibly closed by the remote host.* well if the remote side is also your code, you could try debugging/finding why it closed the connection. you could also try setting the info callback to see what is happening inside the SSL connection (SSL_CTX_set_info_callback()). Hi, Arun Singarajipura wrote: Hi All, we are working on client - server architecture. We are using openssl for communication. My problem is that - while transferring data, SSL_read() always fails (after transferring few KB of data). The follwoing error is returned - -- SSL_read() returns SSL_ERROR_SYSCALL error:0005:lib(0):func(0):DH lib --- In that case you better check what errno has. That can give you a better idea of what went wrong. (although i don't know why that DH lib is present above. I don't think DH is involved in any SSL read/write unless your handshake isn't over and your SSL_read() is in fact completing the handshake). This always happens between data transfer. Here's the code snippet gSSL = SSL_new(ctx); SSL_set_fd(gSSL, m_Socket); result = SSL_connect(gSSL); //Get certificate ** the following piece of code is giving problem ret=select(1,sckt,NULL,NULL, timeout); check what 'ret' is. ERR_clear_error(); ret = SSL_read(gSSL,buffer,size); check errno here if you get a SSL_ERROR_SYSCALL. -jb -- Tact is the art of making a point without making an enemy. __ OpenSSL Project http://www.openssl.org User Support Mailing Listopenssl-users@openssl.org Automated List Manager [EMAIL PROTECTED]
Problems with SSL_read() - SSL_ERROR_SYSCALL
Hi All, we are working on client - server architecture. We are using openssl for communication. My problem is that - while transferring data, SSL_read() always fails (after transferring few KB of data). The follwoing error is returned - -- SSL_read() returns SSL_ERROR_SYSCALL error:0005:lib(0):func(0):DH lib --- This always happens between data transfer. Here's the code snippet gSSL = SSL_new(ctx); SSL_set_fd(gSSL, m_Socket); result = SSL_connect(gSSL); //Get certificate ** the following piece of code is giving problem ret=select(1,sckt,NULL,NULL, timeout); ERR_clear_error(); ret = SSL_read(gSSL,buffer,size); Any help is much appreciated. Warm Regards, Arun S.
Re: Problems with SSL_read() - SSL_ERROR_SYSCALL
Hi, Thanks for the reply. I used WSAGetLastError() just after SSL_read() and the result of this is *Read failed with error 10054: An existing connection was forcibly closed by the remote host.* Warm regards, Arun S. ** On 7/31/07, jimmy bahuleyan [EMAIL PROTECTED] wrote: Hi, Arun Singarajipura wrote: Hi All, we are working on client - server architecture. We are using openssl for communication. My problem is that - while transferring data, SSL_read() always fails (after transferring few KB of data). The follwoing error is returned - -- SSL_read() returns SSL_ERROR_SYSCALL error:0005:lib(0):func(0):DH lib --- In that case you better check what errno has. That can give you a better idea of what went wrong. (although i don't know why that DH lib is present above. I don't think DH is involved in any SSL read/write unless your handshake isn't over and your SSL_read() is in fact completing the handshake). This always happens between data transfer. Here's the code snippet gSSL = SSL_new(ctx); SSL_set_fd(gSSL, m_Socket); result = SSL_connect(gSSL); //Get certificate ** the following piece of code is giving problem ret=select(1,sckt,NULL,NULL, timeout); check what 'ret' is. ERR_clear_error(); ret = SSL_read(gSSL,buffer,size); check errno here if you get a SSL_ERROR_SYSCALL. -jb -- Tact is the art of making a point without making an enemy. __ OpenSSL Project http://www.openssl.org User Support Mailing Listopenssl-users@openssl.org Automated List Manager [EMAIL PROTECTED]
