connection_https.c File Reference

Methods for managing SSL/TLS connections. This file is only compiled if ENABLE_HTTPS is set. More...

#include "internal.h"
#include "connection.h"
#include "memorypool.h"
#include "response.h"
#include "reason_phrase.h"
#include <gnutls/gnutls.h>
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Functions

static int run_tls_handshake (struct MHD_Connection *connection)
static int MHD_tls_connection_handle_read (struct MHD_Connection *connection)
static int MHD_tls_connection_handle_write (struct MHD_Connection *connection)
static int MHD_tls_connection_handle_idle (struct MHD_Connection *connection)
void MHD_set_https_callbacks (struct MHD_Connection *connection)

Detailed Description

Methods for managing SSL/TLS connections. This file is only compiled if ENABLE_HTTPS is set.

Author:
Sagie Amir
Christian Grothoff

Definition in file connection_https.c.


Function Documentation

void MHD_set_https_callbacks ( struct MHD_Connection connection  ) 

Set connection callback function to be used through out the processing of this secure connection.

Definition at line 168 of file connection_https.c.

References MHD_Connection::idle_handler, MHD_tls_connection_handle_idle(), MHD_tls_connection_handle_read(), MHD_tls_connection_handle_write(), MHD_Connection::read_handler, and MHD_Connection::write_handler.

Referenced by MHD_add_connection().

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static int MHD_tls_connection_handle_idle ( struct MHD_Connection connection  )  [static]

This function was created to handle per-connection processing that has to happen even if the socket cannot be read or written to. All implementations (multithreaded, external select, internal select) call this function.

Parameters:
connection being handled
Returns:
MHD_YES if we should continue to process the connection (not dead yet), MHD_NO if it died

Definition at line 132 of file connection_https.c.

References MHD_Connection::connection_timeout, MHD_Connection::daemon, MHD_Connection::last_activity, MHD_connection_close(), MHD_CONNECTION_CLOSED, MHD_connection_handle_idle(), MHD_monotonic_time(), MHD_REQUEST_TERMINATED_TIMEOUT_REACHED, MHD_tls_connection_handle_read(), MHD_TLS_CONNECTION_INIT, MHD_YES, and MHD_Connection::state.

Referenced by MHD_set_https_callbacks().

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static int MHD_tls_connection_handle_read ( struct MHD_Connection connection  )  [static]

This function handles a particular SSL/TLS connection when it has been determined that there is data to be read off a socket. Message processing is done by message type which is determined by peeking into the first message type byte of the stream.

Error message handling: all fatal level messages cause the connection to be terminated.

Application data is forwarded to the underlying daemon for processing.

Parameters:
connection the source connection
Returns:
always MHD_YES (we should continue to process the connection)

Definition at line 96 of file connection_https.c.

References MHD_connection_handle_read(), MHD_YES, and run_tls_handshake().

Referenced by MHD_set_https_callbacks(), and MHD_tls_connection_handle_idle().

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static int MHD_tls_connection_handle_write ( struct MHD_Connection connection  )  [static]

This function was created to handle writes to sockets when it has been determined that the socket can be written to. This function will forward all write requests to the underlying daemon unless the connection has been marked for closing.

Returns:
always MHD_YES (we should continue to process the connection)

Definition at line 113 of file connection_https.c.

References MHD_connection_handle_write(), MHD_YES, and run_tls_handshake().

Referenced by MHD_set_https_callbacks().

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static int run_tls_handshake ( struct MHD_Connection connection  )  [static]

Give gnuTLS chance to work on the TLS handshake.

Parameters:
connection connection to handshake on
Returns:
MHD_YES on error or if the handshake is progressing MHD_NO if the handshake has completed successfully and we should start to read/write data

Definition at line 46 of file connection_https.c.

References MHD_Connection::daemon, MHD_Connection::last_activity, MHD_connection_close(), MHD_CONNECTION_INIT, MHD_monotonic_time(), MHD_NO, MHD_REQUEST_TERMINATED_WITH_ERROR, MHD_TLS_CONNECTION_INIT, MHD_YES, and MHD_Connection::state.

Referenced by MHD_tls_connection_handle_read(), and MHD_tls_connection_handle_write().

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