diff options
Diffstat (limited to 'ACE/protocols/ace/HTBP/HTBP_Outside_Squid_Filter.cpp')
-rw-r--r-- | ACE/protocols/ace/HTBP/HTBP_Outside_Squid_Filter.cpp | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/ACE/protocols/ace/HTBP/HTBP_Outside_Squid_Filter.cpp b/ACE/protocols/ace/HTBP/HTBP_Outside_Squid_Filter.cpp new file mode 100644 index 00000000000..05e79083794 --- /dev/null +++ b/ACE/protocols/ace/HTBP/HTBP_Outside_Squid_Filter.cpp @@ -0,0 +1,196 @@ +// ACE_HTBP_Outside_Squid_Filter.cpp +// $Id$ + +#include "ace/Log_Msg.h" + +#include "HTBP_Session.h" +#include "HTBP_Outside_Squid_Filter.h" + +#if !defined (__ACE_INLINE__) +#include "HTBP_Outside_Squid_Filter.inl" +#endif + +ACE_RCSID(HTBP, + ACE_HTBP_Outside_Squid_Filter, + "$Id$") + +ACE_BEGIN_VERSIONED_NAMESPACE_DECL + +ssize_t +ACE::HTBP::Outside_Squid_Filter::recv_data_header (ACE::HTBP::Channel *ch) +{ + // on the outside of the firewall, this method must do the details + // necessary to call replace_session or whatever to migrate the sock + // stream to the appropriate ACE::HTBP::Channel, then to finally + // assign the right filter to that stream. That filter will an + // ACE::HTBP::Outside_[Send|Recv]_Filter. + + // in the case of an ACE::HTBP::Outside_Recv_Filter, the assigned + // filter must be a null filter first, with a replacement. + + // recv header details + char *header_end = this->header_complete(ch); + if (header_end == 0) + { + if (ch->state() != ACE::HTBP::Channel::Closed) + { + ch->state(ACE::HTBP::Channel::Header_Pending); + errno = EWOULDBLOCK; + } + return 0; + } + + char *start = ch->leftovers().rd_ptr(); + + int is_inbound = 0; + ACE_CString token ("POST "); + if (ACE_OS::strncmp (start,token.c_str(),token.length()) == 0) + is_inbound = 1; + else + { + token = "GET "; + if (ACE_OS::strncmp (start, + token.c_str(), + token.length()) != 0) + { + ch->leftovers().length(0); + errno = EINVAL; + ACE_ERROR_RETURN ((LM_ERROR, + "ACE::HTBP::Outside_Squid_Filter::recv_data_header " + "bad request header\n"),0); + } + } + start += token.length(); + // "http://" is stripped by squid, leaving only "/" + start += (ACE_OS::strncmp (start,"http://",7) == 0) ? 7 : 1; + + // set up the actual session and stream + ACE::HTBP::Session_Id_t session_id; + char * slash = ACE_OS::strchr(start,'/'); + char * nl = ACE_OS::strchr (start,'\n'); + if (slash == 0) + { + ch->leftovers().length(0); + errno = EINVAL; + ACE_ERROR_RETURN ((LM_ERROR, + "ACE::HTBP::Outside_Squid_Filter::recv_data_header " + "missing sender key\n"),0); + } + *slash = 0; + session_id.local_.string_to_addr (start); + start = slash+1; + + slash = ACE_OS::strchr(start,'/'); + if (slash == 0) + { + ch->leftovers().length(0); + errno = EINVAL; + ACE_ERROR_RETURN ((LM_ERROR, + "ACE::HTBP::Outside_Squid_Filter::recv_data_header " + "missing sender key\n"),0); + } + *slash = 0; + session_id.peer_.string_to_addr (start); + start = slash + 1; + + slash = ACE_OS::strchr(start,' '); + if (slash == 0) + { + ch->leftovers().length (0); + errno = EINVAL; + ACE_ERROR_RETURN ((LM_ERROR, + "ACE::HTBP::Outside_Squid_Filter::recv_data_header " + "missing sender key"),0); + } + *slash = 0; + session_id.id_ = strtol(start,0,10); + start = slash + 1; + + if (is_inbound) + { + token = "Content-Length: "; + char *tpos = ACE_OS::strstr(start,token.c_str()); + if (tpos != 0) + { + nl = ACE_OS::strchr(tpos,'\n'); + tpos += token.length(); + *nl = 0; + ch->data_len(strtol(tpos,0,10)); + start = nl+1; + } + } + ch->leftovers().rd_ptr(header_end); + + ACE::HTBP::Session *session = 0; + if (ACE::HTBP::Session::find_session (session_id, session) == -1) + { + ACE_NEW_RETURN (session, ACE::HTBP::Session (session_id), 0); + if (ACE::HTBP::Session::add_session (session) == -1) + ACE_ERROR_RETURN ((LM_ERROR, + "ACE::HTBP::Outside_Squid_Filter::" + "recv_data_header %p", + "add_session"),0); + } + ch->session(session); + + if (is_inbound) + { + ch->state(ACE::HTBP::Channel::Data_Queued); + session->inbound (ch); + } + else + { + ch->state(ACE::HTBP::Channel::Ready); + session->outbound (ch); + } + return 1; +} + +ssize_t +ACE::HTBP::Outside_Squid_Filter::recv_data_trailer (ACE::HTBP::Channel *ch) +{ + ch->state(ACE::HTBP::Channel::Send_Ack); + return 1; +} + +int +ACE::HTBP::Outside_Squid_Filter::send_ack (ACE::HTBP::Channel *ch) +{ + this->send_data_header (0,ch); + if (ch->state() == ACE::HTBP::Channel::Header_Sent) + ch->state(ACE::HTBP::Channel::Detached); + return 1; +} + +ssize_t +ACE::HTBP::Outside_Squid_Filter::send_data_header (ssize_t data_len, + ACE::HTBP::Channel *ch) +{ + ACE_CString header ("HTTP/1.1 200 OK\n" + "Content-Type: application/octet-stream\n" + "Content-Length: "); + char datalenstr[20]; + ACE_OS::itoa (data_len,datalenstr,10); + header += datalenstr; + header += "\n\n"; + ssize_t result = ch->ace_stream().send(header.c_str(),header.length()); + ch->state(result == -1 ? + ACE::HTBP::Channel::Closed : ACE::HTBP::Channel::Header_Sent); + this->reset_http_code(); + return 1; +} + +ssize_t +ACE::HTBP::Outside_Squid_Filter::send_data_trailer (ACE::HTBP::Channel *ch) +{ + ch->state(ACE::HTBP::Channel::Detached); + return 1; +} + +int +ACE::HTBP::Outside_Squid_Filter::recv_ack (ACE::HTBP::Channel *) +{ + return 1; +} + +ACE_END_VERSIONED_NAMESPACE_DECL |