/* $Id: RTHttpServer.cpp $ */ /** @file * IPRT - Utility for running a (simple) HTTP server. * * Use this setup to best see what's going on: * VBOX_LOG=rt_http=~0 * VBOX_LOG_DEST="nofile stderr" * VBOX_LOG_FLAGS="unbuffered enabled thread msprog" * */ /* * Copyright (C) 2020-2022 Oracle and/or its affiliates. * * This file is part of VirtualBox base platform packages, as * available from https://www.virtualbox.org. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, in version 3 of the * License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included * in the VirtualBox distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. * * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #include #include #include #include /* To make use of IPv4Addr in RTGETOPTUNION. */ #include #include #include #include #include #include #include #define LOG_GROUP RTLOGGROUP_HTTP #include #include #include #include #include #include #include #include #ifdef RT_OS_WINDOWS # include #endif /********************************************************************************************************************************* * Definitations * *********************************************************************************************************************************/ typedef struct HTTPSERVERDATA { /** The absolute path of the HTTP server's root directory. */ char szPathRootAbs[RTPATH_MAX]; RTFMODE fMode; union { RTFILE File; RTVFSDIR Dir; } h; /** Cached response data. */ RTHTTPSERVERRESP Resp; } HTTPSERVERDATA; typedef HTTPSERVERDATA *PHTTPSERVERDATA; /** * Enumeration specifying the VFS handle type of the HTTP server. */ typedef enum HTTPSERVERVFSHANDLETYPE { HTTPSERVERVFSHANDLETYPE_INVALID = 0, HTTPSERVERVFSHANDLETYPE_FILE, HTTPSERVERVFSHANDLETYPE_DIR, /** The usual 32-bit hack. */ HTTPSERVERVFSHANDLETYPE_32BIT_HACK = 0x7fffffff } HTTPSERVERVFSHANDLETYPE; /** * Structure for keeping a VFS handle of the HTTP server. */ typedef struct HTTPSERVERVFSHANDLE { /** The type of the handle, stored in the union below. */ HTTPSERVERVFSHANDLETYPE enmType; union { /** The VFS (chain) handle to use for this file. */ RTVFSFILE hVfsFile; /** The VFS (chain) handle to use for this directory. */ RTVFSDIR hVfsDir; } u; } HTTPSERVERVFSHANDLE; typedef HTTPSERVERVFSHANDLE *PHTTPSERVERVFSHANDLE; /** * HTTP directory entry. */ typedef struct RTHTTPDIRENTRY { /** The information about the entry. */ RTFSOBJINFO Info; /** Symbolic link target (allocated after the name). */ const char *pszTarget; /** Owner if applicable (allocated after the name). */ const char *pszOwner; /** Group if applicable (allocated after the name). */ const char *pszGroup; /** The length of szName. */ size_t cchName; /** The entry name. */ RT_FLEXIBLE_ARRAY_EXTENSION char szName[RT_FLEXIBLE_ARRAY]; } RTHTTPDIRENTRY; /** Pointer to a HTTP directory entry. */ typedef RTHTTPDIRENTRY *PRTHTTPDIRENTRY; /** Pointer to a HTTP directory entry pointer. */ typedef PRTHTTPDIRENTRY *PPRTHTTPDIRENTRY; /** * Collection of HTTP directory entries. * Used for also caching stuff. */ typedef struct RTHTTPDIRCOLLECTION { /** Current size of papEntries. */ size_t cEntries; /** Memory allocated for papEntries. */ size_t cEntriesAllocated; /** Current entries pending sorting and display. */ PPRTHTTPDIRENTRY papEntries; /** Total number of bytes allocated for the above entries. */ uint64_t cbTotalAllocated; /** Total number of file content bytes. */ uint64_t cbTotalFiles; } RTHTTPDIRCOLLECTION; /** Pointer to a directory collection. */ typedef RTHTTPDIRCOLLECTION *PRTHTTPDIRCOLLECTION; /** Pointer to a directory entry collection pointer. */ typedef PRTHTTPDIRCOLLECTION *PPRTHTTPDIRCOLLECTION; /********************************************************************************************************************************* * Global Variables * *********************************************************************************************************************************/ /** Set by the signal handler when the HTTP server shall be terminated. */ static volatile bool g_fCanceled = false; static HTTPSERVERDATA g_HttpServerData; #ifdef RT_OS_WINDOWS static BOOL WINAPI signalHandler(DWORD dwCtrlType) RT_NOTHROW_DEF { bool fEventHandled = FALSE; switch (dwCtrlType) { /* User pressed CTRL+C or CTRL+BREAK or an external event was sent * via GenerateConsoleCtrlEvent(). */ case CTRL_BREAK_EVENT: case CTRL_CLOSE_EVENT: case CTRL_C_EVENT: ASMAtomicWriteBool(&g_fCanceled, true); fEventHandled = TRUE; break; default: break; /** @todo Add other events here. */ } return fEventHandled; } #else /* !RT_OS_WINDOWS */ /** * Signal handler that sets g_fCanceled. * * This can be executed on any thread in the process, on Windows it may even be * a thread dedicated to delivering this signal. Don't do anything * unnecessary here. */ static void signalHandler(int iSignal) RT_NOTHROW_DEF { NOREF(iSignal); ASMAtomicWriteBool(&g_fCanceled, true); } #endif /** * Installs a custom signal handler to get notified * whenever the user wants to intercept the program. * * @todo Make this handler available for all VBoxManage modules? */ static int signalHandlerInstall(void) { g_fCanceled = false; int rc = VINF_SUCCESS; #ifdef RT_OS_WINDOWS if (!SetConsoleCtrlHandler((PHANDLER_ROUTINE)signalHandler, TRUE /* Add handler */)) { rc = RTErrConvertFromWin32(GetLastError()); RTMsgError("Unable to install console control handler, rc=%Rrc\n", rc); } #else signal(SIGINT, signalHandler); signal(SIGTERM, signalHandler); # ifdef SIGBREAK signal(SIGBREAK, signalHandler); # endif #endif return rc; } /** * Uninstalls a previously installed signal handler. */ static int signalHandlerUninstall(void) { int rc = VINF_SUCCESS; #ifdef RT_OS_WINDOWS if (!SetConsoleCtrlHandler((PHANDLER_ROUTINE)NULL, FALSE /* Remove handler */)) { rc = RTErrConvertFromWin32(GetLastError()); RTMsgError("Unable to uninstall console control handler, rc=%Rrc\n", rc); } #else signal(SIGINT, SIG_DFL); signal(SIGTERM, SIG_DFL); # ifdef SIGBREAK signal(SIGBREAK, SIG_DFL); # endif #endif return rc; } static int dirOpen(const char *pszPathAbs, PRTVFSDIR phVfsDir) { return RTVfsChainOpenDir(pszPathAbs, 0 /*fFlags*/, phVfsDir, NULL /* poffError */, NULL /* pErrInfo */); } static int dirClose(RTVFSDIR hVfsDir) { RTVfsDirRelease(hVfsDir); return VINF_SUCCESS; } static int dirRead(RTVFSDIR hVfsDir, char **ppszEntry, PRTFSOBJINFO pInfo) { size_t cbDirEntryAlloced = sizeof(RTDIRENTRYEX); PRTDIRENTRYEX pDirEntry = (PRTDIRENTRYEX)RTMemTmpAlloc(cbDirEntryAlloced); if (!pDirEntry) return VERR_NO_MEMORY; int rc; for (;;) { size_t cbDirEntry = cbDirEntryAlloced; rc = RTVfsDirReadEx(hVfsDir, pDirEntry, &cbDirEntry, RTFSOBJATTRADD_UNIX); if (RT_FAILURE(rc)) { if (rc == VERR_BUFFER_OVERFLOW) { RTMemTmpFree(pDirEntry); cbDirEntryAlloced = RT_ALIGN_Z(RT_MIN(cbDirEntry, cbDirEntryAlloced) + 64, 64); pDirEntry = (PRTDIRENTRYEX)RTMemTmpAlloc(cbDirEntryAlloced); if (pDirEntry) continue; } else break; } /* Skip dot directories. */ if (RTDirEntryExIsStdDotLink(pDirEntry)) continue; *ppszEntry = RTStrDup(pDirEntry->szName); AssertPtrReturn(*ppszEntry, VERR_NO_MEMORY); *pInfo = pDirEntry->Info; break; } /* for */ RTMemTmpFree(pDirEntry); pDirEntry = NULL; return rc; } #ifdef IPRT_HTTP_WITH_WEBDAV static int dirEntryWriteDAV(char *pszBuf, size_t cbBuf, const char *pszEntry, const PRTFSOBJINFO pObjInfo, size_t *pcbWritten) { char szBirthTime[32]; if (RTTimeSpecToString(&pObjInfo->BirthTime, szBirthTime, sizeof(szBirthTime)) == NULL) return VERR_BUFFER_UNDERFLOW; char szModTime[32]; if (RTTimeSpecToString(&pObjInfo->ModificationTime, szModTime, sizeof(szModTime)) == NULL) return VERR_BUFFER_UNDERFLOW; int rc = VINF_SUCCESS; /** * !!! HACK ALERT !!! ** @todo Build up and use a real XML DOM here. Works with Gnome / Gvfs-compatible apps though. * !!! HACK ALERT !!! */ ssize_t cch = RTStrPrintf(pszBuf, cbBuf, "" "%s" "" "HTTP/1.1 200 OK" "" "%s" "%RU64" "%s" "%s" "%s" "" "" "" "" "", pszEntry, pszEntry, pObjInfo->cbObject, "application/octet-stream", szBirthTime, szModTime); if (cch <= 0) rc = VERR_BUFFER_OVERFLOW; *pcbWritten = cch; return rc; } static int writeHeaderDAV(PRTHTTPSERVERREQ pReq, PRTFSOBJINFO pObjInfo, char *pszBuf, size_t cbBuf, size_t *pcbWritten) { /** * !!! HACK ALERT !!! ** @todo Build up and use a real XML DOM here. Works with Gnome / Gvfs-compatible apps though. * !!! HACK ALERT !!! */ size_t cbWritten = 0; ssize_t cch = RTStrPrintf2(pszBuf, cbBuf - cbWritten, "\r\n"); AssertReturn(cch, VERR_BUFFER_UNDERFLOW); pszBuf += cch; cbWritten += cch; cch = RTStrPrintf2(pszBuf, cbBuf - cbWritten, "\r\n"); AssertReturn(cch, VERR_BUFFER_UNDERFLOW); pszBuf += cch; cbWritten += cch; int rc = dirEntryWriteDAV(pszBuf, cbBuf - cbWritten, pReq->pszUrl, pObjInfo, (size_t *)&cch); AssertRC(rc); pszBuf += cch; cbWritten += cch; *pcbWritten += cbWritten; return rc; } static int writeFooterDAV(PRTHTTPSERVERREQ pReq, char *pszBuf, size_t cbBuf, size_t *pcbWritten) { RT_NOREF(pReq, pcbWritten); /** * !!! HACK ALERT !!! ** @todo Build up and use a real XML DOM here. Works with Gnome / Gvfs-compatible apps though. * !!! HACK ALERT !!! */ ssize_t cch = RTStrPrintf2(pszBuf, cbBuf, ""); AssertReturn(cch, VERR_BUFFER_UNDERFLOW); RT_NOREF(cch); return VINF_SUCCESS; } #endif /* IPRT_HTTP_WITH_WEBDAV */ static int dirEntryWrite(RTHTTPMETHOD enmMethod, char *pszBuf, size_t cbBuf, const char *pszEntry, const PRTFSOBJINFO pObjInfo, size_t *pcbWritten) { char szModTime[32]; if (RTTimeSpecToString(&pObjInfo->ModificationTime, szModTime, sizeof(szModTime)) == NULL) return VERR_BUFFER_UNDERFLOW; int rc = VINF_SUCCESS; ssize_t cch = 0; if (enmMethod == RTHTTPMETHOD_GET) { cch = RTStrPrintf2(pszBuf, cbBuf, "201: %s %RU64 %s %s\r\n", pszEntry, pObjInfo->cbObject, szModTime, /** @todo Very crude; only files and directories are supported for now. */ RTFS_IS_FILE(pObjInfo->Attr.fMode) ? "FILE" : "DIRECTORY"); if (cch <= 0) rc = VERR_BUFFER_OVERFLOW; } #ifdef IPRT_HTTP_WITH_WEBDAV else if (enmMethod == RTHTTPMETHOD_PROPFIND) { char szBuf[RTPATH_MAX + _4K]; /** @todo Just a rough guesstimate. */ rc = dirEntryWriteDAV(szBuf, sizeof(szBuf), pszEntry, pObjInfo, (size_t *)&cch); if (RT_SUCCESS(rc)) rc = RTStrCat(pszBuf, cbBuf, szBuf); AssertRC(rc); } #endif /* IPRT_HTTP_WITH_WEBDAV */ else rc = VERR_NOT_SUPPORTED; if (RT_SUCCESS(rc)) { *pcbWritten = (size_t)cch; } return rc; } /** * Resolves (and validates) a given URL to an absolute (local) path. * * @returns VBox status code. * @param pThis HTTP server instance data. * @param pszUrl URL to resolve. * @param ppszPathAbs Where to store the resolved absolute path on success. * Needs to be free'd with RTStrFree(). */ static int pathResolve(PHTTPSERVERDATA pThis, const char *pszUrl, char **ppszPathAbs) { /* Construct absolute path. */ char *pszPathAbs = NULL; if (RTStrAPrintf(&pszPathAbs, "%s/%s", pThis->szPathRootAbs, pszUrl) <= 0) return VERR_NO_MEMORY; #ifdef VBOX_STRICT RTFSOBJINFO objInfo; int rc2 = RTPathQueryInfo(pszPathAbs, &objInfo, RTFSOBJATTRADD_NOTHING); AssertRCReturn(rc2, rc2); RT_NOREF(rc2); AssertReturn(!RTFS_IS_SYMLINK(objInfo.Attr.fMode), VERR_NOT_SUPPORTED); #endif *ppszPathAbs = pszPathAbs; return VINF_SUCCESS; } static DECLCALLBACK(int) onOpen(PRTHTTPCALLBACKDATA pData, PRTHTTPSERVERREQ pReq, void **ppvHandle) { PHTTPSERVERDATA pThis = (PHTTPSERVERDATA)pData->pvUser; Assert(pData->cbUser == sizeof(HTTPSERVERDATA)); char *pszPathAbs = NULL; int rc = pathResolve(pThis, pReq->pszUrl, &pszPathAbs); if (RT_SUCCESS(rc)) { RTFSOBJINFO objInfo; rc = RTPathQueryInfo(pszPathAbs, &objInfo, RTFSOBJATTRADD_NOTHING); AssertRCReturn(rc, rc); if (RTFS_IS_DIRECTORY(objInfo.Attr.fMode)) { /* Nothing to do here; * The directory listing has been cached already in onQueryInfo(). */ } else if (RTFS_IS_FILE(objInfo.Attr.fMode)) { rc = RTFileOpen(&pThis->h.File, pszPathAbs, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_WRITE); } if (RT_SUCCESS(rc)) { pThis->fMode = objInfo.Attr.fMode; uint64_t *puHandle = (uint64_t *)RTMemAlloc(sizeof(uint64_t)); *puHandle = 42; /** @todo Fudge. */ *ppvHandle = puHandle; } RTStrFree(pszPathAbs); } LogFlowFuncLeaveRC(rc); return rc; } static DECLCALLBACK(int) onRead(PRTHTTPCALLBACKDATA pData, void *pvHandle, void *pvBuf, size_t cbBuf, size_t *pcbRead) { PHTTPSERVERDATA pThis = (PHTTPSERVERDATA)pData->pvUser; Assert(pData->cbUser == sizeof(HTTPSERVERDATA)); AssertReturn(*(uint64_t *)pvHandle == 42 /** @todo Fudge. */, VERR_NOT_FOUND); int rc; if (RTFS_IS_DIRECTORY(pThis->fMode)) { PRTHTTPSERVERRESP pResp = &pThis->Resp; const size_t cbToCopy = RT_MIN(cbBuf, pResp->Body.cbBodyUsed - pResp->Body.offBody); memcpy(pvBuf, (uint8_t *)pResp->Body.pvBody + pResp->Body.offBody, cbToCopy); Assert(pResp->Body.cbBodyUsed >= cbToCopy); pResp->Body.offBody += cbToCopy; *pcbRead = cbToCopy; rc = VINF_SUCCESS; } else if (RTFS_IS_FILE(pThis->fMode)) { rc = RTFileRead(pThis->h.File, pvBuf, cbBuf, pcbRead); } else rc = VERR_NOT_SUPPORTED; LogFlowFuncLeaveRC(rc); return rc; } static DECLCALLBACK(int) onClose(PRTHTTPCALLBACKDATA pData, void *pvHandle) { PHTTPSERVERDATA pThis = (PHTTPSERVERDATA)pData->pvUser; Assert(pData->cbUser == sizeof(HTTPSERVERDATA)); AssertReturn(*(uint64_t *)pvHandle == 42 /** @todo Fudge. */, VERR_NOT_FOUND); int rc; if (RTFS_IS_FILE(pThis->fMode)) { rc = RTFileClose(pThis->h.File); if (RT_SUCCESS(rc)) pThis->h.File = NIL_RTFILE; } else rc = VINF_SUCCESS; RTMemFree(pvHandle); pvHandle = NULL; LogFlowFuncLeaveRC(rc); return rc; } static DECLCALLBACK(int) onQueryInfo(PRTHTTPCALLBACKDATA pData, PRTHTTPSERVERREQ pReq, PRTFSOBJINFO pObjInfo, char **ppszMIMEHint) { PHTTPSERVERDATA pThis = (PHTTPSERVERDATA)pData->pvUser; Assert(pData->cbUser == sizeof(HTTPSERVERDATA)); /** !!!! WARNING !!! ** ** Not production-ready code below! ** @todo Use something like bodyAdd() instead of the RTStrPrintf2() hacks. ** ** !!!! WARNING !!! */ char *pszPathAbs = NULL; int rc = pathResolve(pThis, pReq->pszUrl, &pszPathAbs); if (RT_SUCCESS(rc)) { RTFSOBJINFO objInfo; rc = RTPathQueryInfo(pszPathAbs, &objInfo, RTFSOBJATTRADD_NOTHING); if (RT_SUCCESS(rc)) { if (RTFS_IS_DIRECTORY(objInfo.Attr.fMode)) { PRTHTTPSERVERRESP pResp = &pThis->Resp; /* Only one request a time for now. */ RTVFSDIR hVfsDir; rc = dirOpen(pszPathAbs, &hVfsDir); if (RT_SUCCESS(rc)) { RTHttpServerResponseDestroy(pResp); RTHttpServerResponseInitEx(pResp, _64K); /** @todo Make this more dynamic. */ char *pszBody = (char *)pResp->Body.pvBody; size_t cbBodyLeft = pResp->Body.cbBodyAlloc; /* * Write body header. */ if (pReq->enmMethod == RTHTTPMETHOD_GET) { ssize_t cch = RTStrPrintf2(pszBody, cbBodyLeft, "300: file://%s\r\n" "200: filename content-length last-modified file-type\r\n", pReq->pszUrl); Assert(cch); pszBody += cch; cbBodyLeft -= cch; } #ifdef IPRT_HTTP_WITH_WEBDAV else if (pReq->enmMethod == RTHTTPMETHOD_PROPFIND) { size_t cbWritten = 0; rc = writeHeaderDAV(pReq, &objInfo, pszBody, cbBodyLeft, &cbWritten); if (RT_SUCCESS(rc)) { Assert(cbBodyLeft >= cbWritten); cbBodyLeft -= cbWritten; } } #endif /* IPRT_HTTP_WITH_WEBDAV */ /* * Write body entries. */ char *pszEntry = NULL; RTFSOBJINFO fsObjInfo; while (RT_SUCCESS(rc = dirRead(hVfsDir, &pszEntry, &fsObjInfo))) { LogFlowFunc(("Entry '%s'\n", pszEntry)); size_t cbWritten = 0; rc = dirEntryWrite(pReq->enmMethod, pszBody, cbBodyLeft, pszEntry, &fsObjInfo, &cbWritten); if (rc == VERR_BUFFER_OVERFLOW) { pResp->Body.cbBodyAlloc += _4K; /** @todo Improve this. */ pResp->Body.pvBody = RTMemRealloc(pResp->Body.pvBody, pResp->Body.cbBodyAlloc); AssertPtrBreakStmt(pResp->Body.pvBody, rc = VERR_NO_MEMORY); pszBody = (char *)pResp->Body.pvBody; cbBodyLeft += _4K; /** @todo Ditto. */ rc = dirEntryWrite(pReq->enmMethod, pszBody, cbBodyLeft, pszEntry, &fsObjInfo, &cbWritten); } if ( RT_SUCCESS(rc) && cbWritten) { pszBody += cbWritten; Assert(cbBodyLeft > cbWritten); cbBodyLeft -= cbWritten; } RTStrFree(pszEntry); if (RT_FAILURE(rc)) break; } if (rc == VERR_NO_MORE_FILES) /* All entries consumed? */ rc = VINF_SUCCESS; dirClose(hVfsDir); /* * Write footers, if any. */ if (RT_SUCCESS(rc)) { if (pReq->enmMethod == RTHTTPMETHOD_GET) { if (ppszMIMEHint) rc = RTStrAPrintf(ppszMIMEHint, "text/plain"); } #ifdef IPRT_HTTP_WITH_WEBDAV else if (pReq->enmMethod == RTHTTPMETHOD_PROPFIND) { rc = writeFooterDAV(pReq, pszBody, cbBodyLeft, NULL); } #endif /* IPRT_HTTP_WITH_WEBDAV */ pResp->Body.cbBodyUsed = strlen((char *)pResp->Body.pvBody); pObjInfo->cbObject = pResp->Body.cbBodyUsed; } } } else if (RTFS_IS_FILE(objInfo.Attr.fMode)) { RTFILE hFile; rc = RTFileOpen(&hFile, pszPathAbs, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_WRITE); if (RT_SUCCESS(rc)) { rc = RTFileQueryInfo(hFile, pObjInfo, RTFSOBJATTRADD_NOTHING); RTFileClose(hFile); } } else rc = VERR_NOT_SUPPORTED; } RTStrFree(pszPathAbs); } LogFlowFuncLeaveRC(rc); return rc; } static DECLCALLBACK(int) onDestroy(PRTHTTPCALLBACKDATA pData) { PHTTPSERVERDATA pThis = (PHTTPSERVERDATA)pData->pvUser; Assert(pData->cbUser == sizeof(HTTPSERVERDATA)); RTHttpServerResponseDestroy(&pThis->Resp); return VINF_SUCCESS; } int main(int argc, char **argv) { int rc = RTR3InitExe(argc, &argv, 0); if (RT_FAILURE(rc)) return RTMsgInitFailure(rc); /* Use some sane defaults. */ char szAddress[64] = "localhost"; uint16_t uPort = 8080; RT_ZERO(g_HttpServerData); /* * Parse arguments. */ static const RTGETOPTDEF s_aOptions[] = { { "--address", 'a', RTGETOPT_REQ_IPV4ADDR }, /** @todo Use a string for DNS hostnames? */ /** @todo Implement IPv6 support? */ { "--port", 'p', RTGETOPT_REQ_UINT16 }, { "--root-dir", 'r', RTGETOPT_REQ_STRING }, { "--verbose", 'v', RTGETOPT_REQ_NOTHING } }; RTEXITCODE rcExit = RTEXITCODE_SUCCESS; unsigned uVerbosityLevel = 1; RTGETOPTUNION ValueUnion; RTGETOPTSTATE GetState; RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST); while ((rc = RTGetOpt(&GetState, &ValueUnion))) { switch (rc) { case 'a': RTStrPrintf2(szAddress, sizeof(szAddress), "%RU8.%RU8.%RU8.%RU8", /** @todo Improve this. */ ValueUnion.IPv4Addr.au8[0], ValueUnion.IPv4Addr.au8[1], ValueUnion.IPv4Addr.au8[2], ValueUnion.IPv4Addr.au8[3]); break; case 'p': uPort = ValueUnion.u16; break; case 'r': RTStrCopy(g_HttpServerData.szPathRootAbs, sizeof(g_HttpServerData.szPathRootAbs), ValueUnion.psz); break; case 'v': uVerbosityLevel++; break; case 'h': RTPrintf("Usage: %s [options]\n" "\n" "Options:\n" " -a, --address (default: localhost)\n" " Specifies the address to use for listening.\n" " -p, --port (default: 8080)\n" " Specifies the port to use for listening.\n" " -r, --root-dir (default: current dir)\n" " Specifies the root directory being served.\n" " -v, --verbose\n" " Controls the verbosity level.\n" " -h, -?, --help\n" " Display this help text and exit successfully.\n" " -V, --version\n" " Display the revision and exit successfully.\n" , RTPathFilename(argv[0])); return RTEXITCODE_SUCCESS; case 'V': RTPrintf("$Revision: 153224 $\n"); return RTEXITCODE_SUCCESS; default: return RTGetOptPrintError(rc, &ValueUnion); } } if (!strlen(g_HttpServerData.szPathRootAbs)) { /* By default use the current directory as serving root directory. */ rc = RTPathGetCurrent(g_HttpServerData.szPathRootAbs, sizeof(g_HttpServerData.szPathRootAbs)); if (RT_FAILURE(rc)) return RTMsgErrorExit(RTEXITCODE_FAILURE, "Retrieving current directory failed: %Rrc", rc); } /* Install signal handler. */ rc = signalHandlerInstall(); if (RT_SUCCESS(rc)) { /* * Create the HTTP server instance. */ RTHTTPSERVERCALLBACKS Callbacks; RT_ZERO(Callbacks); Callbacks.pfnOpen = onOpen; Callbacks.pfnRead = onRead; Callbacks.pfnClose = onClose; Callbacks.pfnQueryInfo = onQueryInfo; Callbacks.pfnDestroy = onDestroy; g_HttpServerData.h.File = NIL_RTFILE; g_HttpServerData.h.Dir = NIL_RTVFSDIR; rc = RTHttpServerResponseInit(&g_HttpServerData.Resp); AssertRC(rc); RTHTTPSERVER hHTTPServer; rc = RTHttpServerCreate(&hHTTPServer, szAddress, uPort, &Callbacks, &g_HttpServerData, sizeof(g_HttpServerData)); if (RT_SUCCESS(rc)) { RTPrintf("Starting HTTP server at %s:%RU16 ...\n", szAddress, uPort); RTPrintf("Root directory is '%s'\n", g_HttpServerData.szPathRootAbs); RTPrintf("Running HTTP server ...\n"); for (;;) { RTThreadSleep(200); if (g_fCanceled) break; } RTPrintf("Stopping HTTP server ...\n"); int rc2 = RTHttpServerDestroy(hHTTPServer); if (RT_SUCCESS(rc)) rc = rc2; RTPrintf("Stopped HTTP server\n"); } else rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "RTHttpServerCreate failed: %Rrc", rc); int rc2 = signalHandlerUninstall(); if (RT_SUCCESS(rc)) rc = rc2; } /* Set rcExit on failure in case we forgot to do so before. */ if (RT_FAILURE(rc)) rcExit = RTEXITCODE_FAILURE; return rcExit; }