diff options
Diffstat (limited to 'dcop/KDE-ICE/protosetup.c')
-rw-r--r-- | dcop/KDE-ICE/protosetup.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/dcop/KDE-ICE/protosetup.c b/dcop/KDE-ICE/protosetup.c new file mode 100644 index 000000000..f675ccd89 --- /dev/null +++ b/dcop/KDE-ICE/protosetup.c @@ -0,0 +1,287 @@ +/* $Xorg: protosetup.c,v 1.3 2000/08/17 19:44:17 cpqbld Exp $ */ +/****************************************************************************** + + +Copyright 1993, 1998 The Open Group + +All Rights Reserved. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +Author: Ralph Mor, X Consortium +******************************************************************************/ + +#include "KDE-ICE/ICElib.h" +#include "KDE-ICE/ICElibint.h" +#include "KDE-ICE/globals.h" +#include <string.h> + + +IceProtocolSetupStatus +IceProtocolSetup (iceConn, myOpcode, clientData, mustAuthenticate, + majorVersionRet, minorVersionRet, vendorRet, releaseRet, + errorLength, errorStringRet) + +IceConn iceConn; +int myOpcode; +IcePointer clientData; +Bool mustAuthenticate; +int *majorVersionRet; +int *minorVersionRet; +char **vendorRet; +char **releaseRet; +int errorLength; +char *errorStringRet; + +{ + iceProtocolSetupMsg *pMsg; + char *pData; + _IceProtocol *myProtocol; + int extra; + Bool gotReply, ioErrorOccured; + int accepted, i; + int hisOpcode; + unsigned long setup_sequence; + IceReplyWaitInfo replyWait; + _IceReply reply; + IcePoVersionRec *versionRec = NULL; + int authCount; + int *authIndices; + + if (errorStringRet && errorLength > 0) + *errorStringRet = '\0'; + + *majorVersionRet = 0; + *minorVersionRet = 0; + *vendorRet = NULL; + *releaseRet = NULL; + + if (myOpcode < 1 || myOpcode > _IceLastMajorOpcode) + { + strncpy (errorStringRet, "myOpcode out of range", errorLength); + return (IceProtocolSetupFailure); + } + + myProtocol = &_IceProtocols[myOpcode - 1]; + + if (myProtocol->orig_client == NULL) + { + strncpy (errorStringRet, + "IceRegisterForProtocolSetup was not called", errorLength); + return (IceProtocolSetupFailure); + } + + + /* + * Make sure this protocol hasn't been activated already. + */ + + if (iceConn->process_msg_info) + { + for (i = iceConn->his_min_opcode; i <= iceConn->his_max_opcode; i++) + { + if (iceConn->process_msg_info[ + i - iceConn->his_min_opcode].in_use && + iceConn->process_msg_info[ + i - iceConn->his_min_opcode ].my_opcode == myOpcode) + break; + } + + if (i <= iceConn->his_max_opcode) + { + return (IceProtocolAlreadyActive); + } + } + + /* + * Generate the message. + */ + + if (myProtocol->orig_client->auth_count > 0) + { + authIndices = (int *) malloc ( + myProtocol->orig_client->auth_count * sizeof (int)); + + _IceGetPoValidAuthIndices (myProtocol->protocol_name, + iceConn->connection_string, + myProtocol->orig_client->auth_count, + (const char**)myProtocol->orig_client->auth_names, + &authCount, authIndices); + + } + else + { + authCount = 0; + authIndices = NULL; + } + + extra = STRING_BYTES (myProtocol->protocol_name) + + STRING_BYTES (myProtocol->orig_client->vendor) + + STRING_BYTES (myProtocol->orig_client->release); + + for (i = 0; i < authCount; i++) + { + extra += STRING_BYTES (myProtocol->orig_client->auth_names[ + authIndices[i]]); + } + + extra += (myProtocol->orig_client->version_count * 4); + + IceGetHeaderExtra (iceConn, 0, ICE_ProtocolSetup, + SIZEOF (iceProtocolSetupMsg), WORD64COUNT (extra), + iceProtocolSetupMsg, pMsg, pData); + + setup_sequence = iceConn->send_sequence; + + pMsg->protocolOpcode = myOpcode; + pMsg->versionCount = myProtocol->orig_client->version_count; + pMsg->authCount = authCount; + pMsg->mustAuthenticate = mustAuthenticate; + + STORE_STRING (pData, myProtocol->protocol_name); + STORE_STRING (pData, myProtocol->orig_client->vendor); + STORE_STRING (pData, myProtocol->orig_client->release); + + for (i = 0; i < authCount; i++) + { + STORE_STRING (pData, myProtocol->orig_client->auth_names[ + authIndices[i]]); + } + + for (i = 0; i < myProtocol->orig_client->version_count; i++) + { + STORE_CARD16 (pData, + myProtocol->orig_client->version_recs[i].major_version); + STORE_CARD16 (pData, + myProtocol->orig_client->version_recs[i].minor_version); + } + + IceFlush (iceConn); + + + /* + * Process messages until we get a Protocol Reply. + */ + + replyWait.sequence_of_request = setup_sequence; + replyWait.major_opcode_of_request = 0; + replyWait.minor_opcode_of_request = ICE_ProtocolSetup; + replyWait.reply = (IcePointer) &reply; + + iceConn->protosetup_to_you = (_IceProtoSetupToYouInfo *) malloc ( + sizeof (_IceProtoSetupToYouInfo)); + iceConn->protosetup_to_you->my_opcode = myOpcode; + iceConn->protosetup_to_you->my_auth_count = authCount; + iceConn->protosetup_to_you->auth_active = 0; + iceConn->protosetup_to_you->my_auth_indices = authIndices; + + gotReply = False; + ioErrorOccured = False; + accepted = 0; + + while (!gotReply && !ioErrorOccured) + { + ioErrorOccured = (IceProcessMessages ( + iceConn, &replyWait, &gotReply) == IceProcessMessagesIOError); + + if (ioErrorOccured) + { + strncpy (errorStringRet, + "IO error occurred doing Protocol Setup on connection", + errorLength); + return (IceProtocolSetupIOError); + } + else if (gotReply) + { + if (reply.type == ICE_PROTOCOL_REPLY) + { + if (reply.protocol_reply.version_index >= + myProtocol->orig_client->version_count) + { + strncpy (errorStringRet, + "Got a bad version index in the Protocol Reply", + errorLength); + + free (reply.protocol_reply.vendor); + free (reply.protocol_reply.release); + } + else + { + versionRec = &(myProtocol->orig_client->version_recs[ + reply.protocol_reply.version_index]); + + accepted = 1; + } + } + else /* reply.type == ICE_PROTOCOL_ERROR */ + { + /* Protocol Setup failed */ + + strncpy (errorStringRet, reply.protocol_error.error_message, + errorLength); + + free (reply.protocol_error.error_message); + } + + if (iceConn->protosetup_to_you->my_auth_indices) + free ((char *) iceConn->protosetup_to_you->my_auth_indices); + free ((char *) iceConn->protosetup_to_you); + iceConn->protosetup_to_you = NULL; + } + } + + if (accepted) + { + _IceProcessMsgInfo *process_msg_info; + + *majorVersionRet = versionRec->major_version; + *minorVersionRet = versionRec->minor_version; + *vendorRet = reply.protocol_reply.vendor; + *releaseRet = reply.protocol_reply.release; + + + /* + * Increase the reference count for the number of active protocols. + */ + + iceConn->proto_ref_count++; + + + /* + * We may be using a different major opcode for this protocol + * than the other client. Whenever we get a message, we must + * map to our own major opcode. + */ + + hisOpcode = reply.protocol_reply.major_opcode; + + _IceAddOpcodeMapping (iceConn, hisOpcode, myOpcode); + + process_msg_info = &iceConn->process_msg_info[hisOpcode - + iceConn->his_min_opcode]; + + process_msg_info->client_data = clientData; + process_msg_info->accept_flag = 0; + + process_msg_info->process_msg_proc.orig_client = + versionRec->process_msg_proc; + + return (IceProtocolSetupSuccess); + } + else + { + return (IceProtocolSetupFailure); + } +} |