1 /* ccapi/server/win/ccs_request_proc.c */ 2 /* 3 * Copyright 2008 Massachusetts Institute of Technology. 4 * All Rights Reserved. 5 * 6 * Export of this software from the United States of America may 7 * require a specific license from the United States Government. 8 * It is the responsibility of any person or organization contemplating 9 * export to obtain such a license before exporting. 10 * 11 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 12 * distribute this software and its documentation for any purpose and 13 * without fee is hereby granted, provided that the above copyright 14 * notice appear in all copies and that both that copyright notice and 15 * this permission notice appear in supporting documentation, and that 16 * the name of M.I.T. not be used in advertising or publicity pertaining 17 * to distribution of the software without specific, written prior 18 * permission. Furthermore if you modify this software you must label 19 * your software as modified software and not distribute it in such a 20 * fashion that it might be confused with the original M.I.T. software. 21 * M.I.T. makes no representations about the suitability of 22 * this software for any purpose. It is provided "as is" without express 23 * or implied warranty. 24 */ 25 26 #include <stdlib.h> 27 #include <stdio.h> 28 29 #include "ccs_request.h" // header file generated by MIDL compiler 30 #include "cci_debugging.h" 31 #include "WorkQueue.h" 32 #include "win-utils.h" 33 #include "ccs_win_pipe.h" 34 35 void ccs_rpc_request( 36 const long rpcmsg, /* Message type */ 37 const char tspHandle[], /* Client's tspdata* */ 38 const char* pszUUID, /* Where client will listen for the reply */ 39 const long lenRequest, /* Length of buffer */ 40 const char pbRequest[], /* Data buffer */ 41 const long serverStartTime, /* Which server session we're talking to */ 42 long* return_status ) { /* Return code */ 43 44 cc_int32 status = 0; 45 k5_ipc_stream stream; 46 UINT64* p = (UINT64*)(tspHandle); 47 WIN_PIPE* pipe = NULL; 48 49 status = (rpcmsg != CCMSG_REQUEST) && (rpcmsg != CCMSG_PING); 50 51 if (!status) { 52 status = krb5int_ipc_stream_new (&stream); /* Create a stream for the request data */ 53 } 54 55 if (!status) { /* Put the data into the stream */ 56 status = krb5int_ipc_stream_write (stream, pbRequest, lenRequest); 57 } 58 59 pipe = ccs_win_pipe_new(pszUUID, *p); 60 worklist_add(rpcmsg, pipe, stream, serverStartTime); 61 *return_status = status; 62 } 63 64 65 void ccs_rpc_connect( 66 const long rpcmsg, /* Message type */ 67 const char tspHandle[], /* Client's tspdata* */ 68 const char* pszUUID, /* Data buffer */ 69 long* return_status ) { /* Return code */ 70 71 UINT64* p = (UINT64*)(tspHandle); 72 WIN_PIPE* pipe = ccs_win_pipe_new(pszUUID, *p); 73 74 worklist_add( rpcmsg, 75 pipe, 76 NULL, /* No payload with connect request */ 77 (const time_t)0 ); /* No server session number with connect request */ 78 } 79 80 81 // 'Authentication' is client setting a value in a file and the server 82 // returning that value plus one. 83 CC_UINT32 ccs_authenticate(const CC_CHAR* name) { 84 HANDLE hMap = 0; 85 PDWORD pvalue = 0; 86 CC_UINT32 result = 0; 87 DWORD status = 0; 88 89 hMap = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, (LPSTR)name); 90 status = !hMap; 91 92 if (!status) { 93 pvalue = (PDWORD)MapViewOfFile(hMap, FILE_MAP_WRITE, 0, 0, 0); 94 status = !pvalue; 95 } 96 97 if (!status) { 98 *pvalue += 1; 99 result = *pvalue; 100 } 101 102 if (pvalue) { 103 UnmapViewOfFile(pvalue); 104 } 105 106 if (hMap) CloseHandle(hMap); 107 return result; 108 } 109