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Diffstat (limited to 'src/VBox/ValidationKit/utils/TestExecServ/TestExecService.cpp')
| -rw-r--r-- | src/VBox/ValidationKit/utils/TestExecServ/TestExecService.cpp | 4037 |
1 files changed, 4037 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/utils/TestExecServ/TestExecService.cpp b/src/VBox/ValidationKit/utils/TestExecServ/TestExecService.cpp new file mode 100644 index 00000000..002d746b --- /dev/null +++ b/src/VBox/ValidationKit/utils/TestExecServ/TestExecService.cpp @@ -0,0 +1,4037 @@ +/* $Id: TestExecService.cpp $ */ +/** @file + * TestExecServ - Basic Remote Execution Service. + */ + +/* + * Copyright (C) 2010-2023 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 <https://www.gnu.org/licenses>. + * + * 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 * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_DEFAULT +#include <iprt/alloca.h> +#include <iprt/asm.h> +#include <iprt/assert.h> +#include <iprt/buildconfig.h> +#include <iprt/cdrom.h> +#include <iprt/critsect.h> +#include <iprt/crc.h> +#include <iprt/ctype.h> +#include <iprt/dir.h> +#include <iprt/env.h> +#include <iprt/err.h> +#include <iprt/file.h> +#include <iprt/getopt.h> +#include <iprt/handle.h> +#include <iprt/initterm.h> +#include <iprt/log.h> +#include <iprt/mem.h> +#include <iprt/message.h> +#include <iprt/param.h> +#include <iprt/path.h> +#include <iprt/pipe.h> +#include <iprt/poll.h> +#include <iprt/process.h> +#include <iprt/stream.h> +#include <iprt/string.h> +#include <iprt/system.h> +#include <iprt/thread.h> +#include <iprt/time.h> +#include <iprt/uuid.h> +#include <iprt/zip.h> + +#include <package-generated.h> +#include "product-generated.h" + +#include <VBox/version.h> +#include <VBox/log.h> + +#include "product-generated.h" +#include "TestExecServiceInternal.h" + + + +/********************************************************************************************************************************* +* Structures and Typedefs * +*********************************************************************************************************************************/ +/** + * Handle IDs used by txsDoExec for the poll set. + */ +typedef enum TXSEXECHNDID +{ + TXSEXECHNDID_STDIN = 0, + TXSEXECHNDID_STDOUT, + TXSEXECHNDID_STDERR, + TXSEXECHNDID_TESTPIPE, + TXSEXECHNDID_STDIN_WRITABLE, + TXSEXECHNDID_TRANSPORT, + TXSEXECHNDID_THREAD +} TXSEXECHNDID; + + +/** + * For buffering process input supplied by the client. + */ +typedef struct TXSEXECSTDINBUF +{ + /** The mount of buffered data. */ + size_t cb; + /** The current data offset. */ + size_t off; + /** The data buffer. */ + char *pch; + /** The amount of allocated buffer space. */ + size_t cbAllocated; + /** Send further input into the bit bucket (stdin is dead). */ + bool fBitBucket; + /** The CRC-32 for standard input (received part). */ + uint32_t uCrc32; +} TXSEXECSTDINBUF; +/** Pointer to a standard input buffer. */ +typedef TXSEXECSTDINBUF *PTXSEXECSTDINBUF; + +/** + * TXS child process info. + */ +typedef struct TXSEXEC +{ + PCTXSPKTHDR pPktHdr; + RTMSINTERVAL cMsTimeout; + int rcReplySend; + + RTPOLLSET hPollSet; + RTPIPE hStdInW; + RTPIPE hStdOutR; + RTPIPE hStdErrR; + RTPIPE hTestPipeR; + RTPIPE hWakeUpPipeR; + RTTHREAD hThreadWaiter; + + /** @name For the setup phase + * @{ */ + struct StdPipe + { + RTHANDLE hChild; + PRTHANDLE phChild; + } StdIn, + StdOut, + StdErr; + RTPIPE hTestPipeW; + RTENV hEnv; + /** @} */ + + /** For serializating some access. */ + RTCRITSECT CritSect; + /** @name Members protected by the critical section. + * @{ */ + RTPROCESS hProcess; + /** The process status. Only valid when fProcessAlive is cleared. */ + RTPROCSTATUS ProcessStatus; + /** Set when the process is alive, clear when dead. */ + bool volatile fProcessAlive; + /** The end of the pipe that hThreadWaiter writes to. */ + RTPIPE hWakeUpPipeW; + /** @} */ +} TXSEXEC; +/** Pointer to a the TXS child process info. */ +typedef TXSEXEC *PTXSEXEC; + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +/** + * Transport layers. + */ +static const PCTXSTRANSPORT g_apTransports[] = +{ + &g_TcpTransport, +#ifndef RT_OS_OS2 + &g_SerialTransport, +#endif + //&g_FileSysTransport, + //&g_GuestPropTransport, + //&g_TestDevTransport, +}; + +/** The release logger. */ +static PRTLOGGER g_pRelLogger; +/** The select transport layer. */ +static PCTXSTRANSPORT g_pTransport; +/** The scratch path. */ +static char g_szScratchPath[RTPATH_MAX]; +/** The default scratch path. */ +static char g_szDefScratchPath[RTPATH_MAX]; +/** The CD/DVD-ROM path. */ +static char g_szCdRomPath[RTPATH_MAX]; +/** The default CD/DVD-ROM path. */ +static char g_szDefCdRomPath[RTPATH_MAX]; +/** The directory containing the TXS executable. */ +static char g_szTxsDir[RTPATH_MAX]; +/** The current working directory for TXS (doesn't change). */ +static char g_szCwd[RTPATH_MAX]; +/** The operating system short name. */ +static char g_szOsShortName[16]; +/** The CPU architecture short name. */ +static char g_szArchShortName[16]; +/** The combined "OS.arch" name. */ +static char g_szOsDotArchShortName[32]; +/** The combined "OS/arch" name. */ +static char g_szOsSlashArchShortName[32]; +/** The executable suffix. */ +static char g_szExeSuff[8]; +/** The shell script suffix. */ +static char g_szScriptSuff[8]; +/** UUID identifying this TXS instance. This can be used to see if TXS + * has been restarted or not. */ +static RTUUID g_InstanceUuid; +/** Whether to display the output of the child process or not. */ +static bool g_fDisplayOutput = true; +/** Whether to terminate or not. + * @todo implement signals and stuff. */ +static bool volatile g_fTerminate = false; +/** Verbosity level. */ +uint32_t g_cVerbose = 1; + + +/** + * Calculates the checksum value, zero any padding space and send the packet. + * + * @returns IPRT status code. + * @param pPkt The packet to send. Must point to a correctly + * aligned buffer. + */ +static int txsSendPkt(PTXSPKTHDR pPkt) +{ + Assert(pPkt->cb >= sizeof(*pPkt)); + pPkt->uCrc32 = RTCrc32(pPkt->achOpcode, pPkt->cb - RT_UOFFSETOF(TXSPKTHDR, achOpcode)); + if (pPkt->cb != RT_ALIGN_32(pPkt->cb, TXSPKT_ALIGNMENT)) + memset((uint8_t *)pPkt + pPkt->cb, '\0', RT_ALIGN_32(pPkt->cb, TXSPKT_ALIGNMENT) - pPkt->cb); + + Log(("txsSendPkt: cb=%#x opcode=%.8s\n", pPkt->cb, pPkt->achOpcode)); + Log2(("%.*Rhxd\n", RT_MIN(pPkt->cb, 256), pPkt)); + int rc = g_pTransport->pfnSendPkt(pPkt); + while (RT_UNLIKELY(rc == VERR_INTERRUPTED) && !g_fTerminate) + rc = g_pTransport->pfnSendPkt(pPkt); + if (RT_FAILURE(rc)) + Log(("txsSendPkt: rc=%Rrc\n", rc)); + + return rc; +} + +/** + * Sends a babble reply and disconnects the client (if applicable). + * + * @param pszOpcode The BABBLE opcode. + */ +static void txsReplyBabble(const char *pszOpcode) +{ + TXSPKTHDR Reply; + Reply.cb = sizeof(Reply); + Reply.uCrc32 = 0; + memcpy(Reply.achOpcode, pszOpcode, sizeof(Reply.achOpcode)); + + g_pTransport->pfnBabble(&Reply, 20*1000); +} + +/** + * Receive and validate a packet. + * + * Will send bable responses to malformed packets that results in a error status + * code. + * + * @returns IPRT status code. + * @param ppPktHdr Where to return the packet on success. Free + * with RTMemFree. + * @param fAutoRetryOnFailure Whether to retry on error. + */ +static int txsRecvPkt(PPTXSPKTHDR ppPktHdr, bool fAutoRetryOnFailure) +{ + for (;;) + { + PTXSPKTHDR pPktHdr; + int rc = g_pTransport->pfnRecvPkt(&pPktHdr); + if (RT_SUCCESS(rc)) + { + /* validate the packet. */ + if ( pPktHdr->cb >= sizeof(TXSPKTHDR) + && pPktHdr->cb < TXSPKT_MAX_SIZE) + { + Log2(("txsRecvPkt: pPktHdr=%p cb=%#x crc32=%#x opcode=%.8s\n" + "%.*Rhxd\n", + pPktHdr, pPktHdr->cb, pPktHdr->uCrc32, pPktHdr->achOpcode, RT_MIN(pPktHdr->cb, 256), pPktHdr)); + uint32_t uCrc32Calc = pPktHdr->uCrc32 != 0 + ? RTCrc32(&pPktHdr->achOpcode[0], pPktHdr->cb - RT_UOFFSETOF(TXSPKTHDR, achOpcode)) + : 0; + if (pPktHdr->uCrc32 == uCrc32Calc) + { + AssertCompileMemberSize(TXSPKTHDR, achOpcode, 8); + if ( RT_C_IS_UPPER(pPktHdr->achOpcode[0]) + && RT_C_IS_UPPER(pPktHdr->achOpcode[1]) + && (RT_C_IS_UPPER(pPktHdr->achOpcode[2]) || pPktHdr->achOpcode[2] == ' ') + && (RT_C_IS_PRINT(pPktHdr->achOpcode[3]) || pPktHdr->achOpcode[3] == ' ') + && (RT_C_IS_PRINT(pPktHdr->achOpcode[4]) || pPktHdr->achOpcode[4] == ' ') + && (RT_C_IS_PRINT(pPktHdr->achOpcode[5]) || pPktHdr->achOpcode[5] == ' ') + && (RT_C_IS_PRINT(pPktHdr->achOpcode[6]) || pPktHdr->achOpcode[6] == ' ') + && (RT_C_IS_PRINT(pPktHdr->achOpcode[7]) || pPktHdr->achOpcode[7] == ' ') + ) + { + Log(("txsRecvPkt: cb=%#x opcode=%.8s\n", pPktHdr->cb, pPktHdr->achOpcode)); + *ppPktHdr = pPktHdr; + return rc; + } + + rc = VERR_IO_BAD_COMMAND; + } + else + { + Log(("txsRecvPkt: cb=%#x opcode=%.8s crc32=%#x actual=%#x\n", + pPktHdr->cb, pPktHdr->achOpcode, pPktHdr->uCrc32, uCrc32Calc)); + rc = VERR_IO_CRC; + } + } + else + rc = VERR_IO_BAD_LENGTH; + + /* Send babble reply and disconnect the client if the transport is + connection oriented. */ + if (rc == VERR_IO_BAD_LENGTH) + txsReplyBabble("BABBLE L"); + else if (rc == VERR_IO_CRC) + txsReplyBabble("BABBLE C"); + else if (rc == VERR_IO_BAD_COMMAND) + txsReplyBabble("BABBLE O"); + else + txsReplyBabble("BABBLE "); + RTMemFree(pPktHdr); + } + + /* Try again or return failure? */ + if ( g_fTerminate + || rc != VERR_INTERRUPTED + || !fAutoRetryOnFailure + ) + { + Log(("txsRecvPkt: rc=%Rrc\n", rc)); + return rc; + } + } +} + +/** + * Make a simple reply, only status opcode. + * + * @returns IPRT status code of the send. + * @param pReply The reply packet. + * @param pszOpcode The status opcode. Exactly 8 chars long, padd + * with space. + * @param cbExtra Bytes in addition to the header. + */ +static int txsReplyInternal(PTXSPKTHDR pReply, const char *pszOpcode, size_t cbExtra) +{ + /* copy the opcode, don't be too strict in case of a padding screw up. */ + size_t cchOpcode = strlen(pszOpcode); + if (RT_LIKELY(cchOpcode == sizeof(pReply->achOpcode))) + memcpy(pReply->achOpcode, pszOpcode, sizeof(pReply->achOpcode)); + else + { + Assert(cchOpcode == sizeof(pReply->achOpcode)); + while (cchOpcode > 0 && pszOpcode[cchOpcode - 1] == ' ') + cchOpcode--; + AssertMsgReturn(cchOpcode < sizeof(pReply->achOpcode), ("%d/'%.8s'\n", cchOpcode, pszOpcode), VERR_INTERNAL_ERROR_4); + memcpy(pReply->achOpcode, pszOpcode, cchOpcode); + memset(&pReply->achOpcode[cchOpcode], ' ', sizeof(pReply->achOpcode) - cchOpcode); + } + + pReply->cb = (uint32_t)sizeof(TXSPKTHDR) + (uint32_t)cbExtra; + pReply->uCrc32 = 0; /* (txsSendPkt sets it) */ + + return txsSendPkt(pReply); +} + +/** + * Make a simple reply, only status opcode. + * + * @returns IPRT status code of the send. + * @param pPktHdr The original packet (for future use). + * @param pszOpcode The status opcode. Exactly 8 chars long, padd + * with space. + */ +static int txsReplySimple(PCTXSPKTHDR pPktHdr, const char *pszOpcode) +{ + TXSPKTHDR Pkt; + NOREF(pPktHdr); + return txsReplyInternal(&Pkt, pszOpcode, 0); +} + +/** + * Acknowledges a packet with success. + * + * @returns IPRT status code of the send. + * @param pPktHdr The original packet (for future use). + */ +static int txsReplyAck(PCTXSPKTHDR pPktHdr) +{ + return txsReplySimple(pPktHdr, "ACK "); +} + +/** + * Replies with a failure. + * + * @returns IPRT status code of the send. + * @param pPktHdr The original packet (for future use). + * @param pszOpcode The status opcode. Exactly 8 chars long, padd + * with space. + * @param pszDetailFmt Longer description of the problem (format + * string). + * @param va Format arguments. + */ +static int txsReplyFailureV(PCTXSPKTHDR pPktHdr, const char *pszOpcode, const char *pszDetailFmt, va_list va) +{ + NOREF(pPktHdr); + union + { + TXSPKTHDR Hdr; + char ach[256]; + } uPkt; + + size_t cchDetail = RTStrPrintfV(&uPkt.ach[sizeof(TXSPKTHDR)], + sizeof(uPkt) - sizeof(TXSPKTHDR), + pszDetailFmt, va); + return txsReplyInternal(&uPkt.Hdr, pszOpcode, cchDetail + 1); +} + +/** + * Replies with a failure. + * + * @returns IPRT status code of the send. + * @param pPktHdr The original packet (for future use). + * @param pszOpcode The status opcode. Exactly 8 chars long, padd + * with space. + * @param pszDetailFmt Longer description of the problem (format + * string). + * @param ... Format arguments. + */ +static int txsReplyFailure(PCTXSPKTHDR pPktHdr, const char *pszOpcode, const char *pszDetailFmt, ...) +{ + va_list va; + va_start(va, pszDetailFmt); + int rc = txsReplyFailureV(pPktHdr, pszOpcode, pszDetailFmt, va); + va_end(va); + return rc; +} + +/** + * Replies according to the return code. + * + * @returns IPRT status code of the send. + * @param pPktHdr The packet to reply to. + * @param rcOperation The status code to report. + * @param pszOperationFmt The operation that failed. Typically giving the + * function call with important arguments. + * @param ... Arguments to the format string. + */ +static int txsReplyRC(PCTXSPKTHDR pPktHdr, int rcOperation, const char *pszOperationFmt, ...) +{ + if (RT_SUCCESS(rcOperation)) + return txsReplyAck(pPktHdr); + + char szOperation[128]; + va_list va; + va_start(va, pszOperationFmt); + RTStrPrintfV(szOperation, sizeof(szOperation), pszOperationFmt, va); + va_end(va); + + return txsReplyFailure(pPktHdr, "FAILED ", "%s failed with rc=%Rrc (opcode '%.8s')", + szOperation, rcOperation, pPktHdr->achOpcode); +} + +/** + * Signal a bad packet minum size. + * + * @returns IPRT status code of the send. + * @param pPktHdr The packet to reply to. + * @param cbMin The minimum size. + */ +static int txsReplyBadMinSize(PCTXSPKTHDR pPktHdr, size_t cbMin) +{ + return txsReplyFailure(pPktHdr, "BAD SIZE", "Expected at least %zu bytes, got %u (opcode '%.8s')", + cbMin, pPktHdr->cb, pPktHdr->achOpcode); +} + +/** + * Signal a bad packet exact size. + * + * @returns IPRT status code of the send. + * @param pPktHdr The packet to reply to. + * @param cb The wanted size. + */ +static int txsReplyBadSize(PCTXSPKTHDR pPktHdr, size_t cb) +{ + return txsReplyFailure(pPktHdr, "BAD SIZE", "Expected at %zu bytes, got %u (opcode '%.8s')", + cb, pPktHdr->cb, pPktHdr->achOpcode); +} + +/** + * Deals with a command that isn't implemented yet. + * @returns IPRT status code of the send. + * @param pPktHdr The packet which opcode isn't implemented. + */ +static int txsReplyNotImplemented(PCTXSPKTHDR pPktHdr) +{ + return txsReplyFailure(pPktHdr, "NOT IMPL", "Opcode '%.8s' is not implemented", pPktHdr->achOpcode); +} + +/** + * Deals with a unknown command. + * @returns IPRT status code of the send. + * @param pPktHdr The packet to reply to. + */ +static int txsReplyUnknown(PCTXSPKTHDR pPktHdr) +{ + return txsReplyFailure(pPktHdr, "UNKNOWN ", "Opcode '%.8s' is not known", pPktHdr->achOpcode); +} + +/** + * Replaces a variable with its value. + * + * @returns VINF_SUCCESS or VERR_NO_STR_MEMORY. + * @param ppszNew In/Out. + * @param pcchNew In/Out. (Messed up on failure.) + * @param offVar Variable offset. + * @param cchVar Variable length. + * @param pszValue The value. + * @param cchValue Value length. + */ +static int txsReplaceStringVariable(char **ppszNew, size_t *pcchNew, size_t offVar, size_t cchVar, + const char *pszValue, size_t cchValue) +{ + size_t const cchAfter = *pcchNew - offVar - cchVar; + if (cchVar < cchValue) + { + *pcchNew += cchValue - cchVar; + int rc = RTStrRealloc(ppszNew, *pcchNew + 1); + if (RT_FAILURE(rc)) + return rc; + } + + char *pszNew = *ppszNew; + memmove(&pszNew[offVar + cchValue], &pszNew[offVar + cchVar], cchAfter + 1); + memcpy(&pszNew[offVar], pszValue, cchValue); + return VINF_SUCCESS; +} + +/** + * Replace the variables found in the source string, returning a new string that + * lives on the string heap. + * + * @returns Boolean success indicator. Will reply to the client with all the + * gory detail on failure. + * @param pPktHdr The packet the string relates to. For replying + * on error. + * @param pszSrc The source string. + * @param ppszNew Where to return the new string. + * @param prcSend Where to return the status code of the send on + * failure. + */ +static int txsReplaceStringVariables(PCTXSPKTHDR pPktHdr, const char *pszSrc, char **ppszNew, int *prcSend) +{ + /* Lazy approach that employs memmove. */ + size_t cchNew = strlen(pszSrc); + char *pszNew = RTStrDup(pszSrc); + char *pszDollar = pszNew; + while (pszDollar && (pszDollar = strchr(pszDollar, '$')) != NULL) + { + if (pszDollar[1] == '{') + { + char *pszEnd = strchr(&pszDollar[2], '}'); + if (pszEnd) + { +#define IF_VARIABLE_DO(pszDollar, szVarExpr, pszValue) \ + if ( cchVar == sizeof(szVarExpr) - 1 \ + && !memcmp(pszDollar, szVarExpr, sizeof(szVarExpr) - 1) ) \ + { \ + size_t const cchValue = strlen(pszValue); \ + rc = txsReplaceStringVariable(&pszNew, &cchNew, offDollar, \ + sizeof(szVarExpr) - 1, pszValue, cchValue); \ + offDollar += cchValue; \ + } + int rc; + size_t const cchVar = pszEnd - pszDollar + 1; /* includes "${}" */ + size_t offDollar = pszDollar - pszNew; + IF_VARIABLE_DO(pszDollar, "${CDROM}", g_szCdRomPath) + else IF_VARIABLE_DO(pszDollar, "${SCRATCH}", g_szScratchPath) + else IF_VARIABLE_DO(pszDollar, "${ARCH}", g_szArchShortName) + else IF_VARIABLE_DO(pszDollar, "${OS}", g_szOsShortName) + else IF_VARIABLE_DO(pszDollar, "${OS.ARCH}", g_szOsDotArchShortName) + else IF_VARIABLE_DO(pszDollar, "${OS/ARCH}", g_szOsSlashArchShortName) + else IF_VARIABLE_DO(pszDollar, "${EXESUFF}", g_szExeSuff) + else IF_VARIABLE_DO(pszDollar, "${SCRIPTSUFF}", g_szScriptSuff) + else IF_VARIABLE_DO(pszDollar, "${TXSDIR}", g_szTxsDir) + else IF_VARIABLE_DO(pszDollar, "${CWD}", g_szCwd) + else if ( cchVar >= sizeof("${env.") + 1 + && memcmp(pszDollar, RT_STR_TUPLE("${env.")) == 0) + { + const char *pszEnvVar = pszDollar + 6; + size_t cchValue = 0; + char szValue[RTPATH_MAX]; + *pszEnd = '\0'; + rc = RTEnvGetEx(RTENV_DEFAULT, pszEnvVar, szValue, sizeof(szValue), &cchValue); + if (RT_SUCCESS(rc)) + { + *pszEnd = '}'; + rc = txsReplaceStringVariable(&pszNew, &cchNew, offDollar, cchVar, szValue, cchValue); + offDollar += cchValue; + } + else + { + if (rc == VERR_ENV_VAR_NOT_FOUND) + *prcSend = txsReplyFailure(pPktHdr, "UNKN VAR", "Environment variable '%s' encountered in '%s'", + pszEnvVar, pszSrc); + else + *prcSend = txsReplyFailure(pPktHdr, "FAILDENV", + "RTEnvGetEx(,'%s',,,) failed with %Rrc (opcode '%.8s')", + pszEnvVar, rc, pPktHdr->achOpcode); + RTStrFree(pszNew); + *ppszNew = NULL; + return false; + } + } + else + { + RTStrFree(pszNew); + *prcSend = txsReplyFailure(pPktHdr, "UNKN VAR", "Unknown variable '%.*s' encountered in '%s'", + cchVar, pszDollar, pszSrc); + *ppszNew = NULL; + return false; + } + pszDollar = &pszNew[offDollar]; + + if (RT_FAILURE(rc)) + { + RTStrFree(pszNew); + *prcSend = txsReplyRC(pPktHdr, rc, "RTStrRealloc"); + *ppszNew = NULL; + return false; + } +#undef IF_VARIABLE_DO + } + } + /* Undo dollar escape sequences: $$ -> $ */ + else if (pszDollar[1] == '$') + { + size_t cchLeft = cchNew - (&pszDollar[1] - pszNew); + memmove(pszDollar, &pszDollar[1], cchLeft); + pszDollar[cchLeft] = '\0'; + cchNew -= 1; + } + else /* No match, move to next char to avoid endless looping. */ + pszDollar++; + } + + *ppszNew = pszNew; + *prcSend = VINF_SUCCESS; + return true; +} + +/** + * Checks if the string is valid and returns the expanded version. + * + * @returns true if valid, false if invalid. + * @param pPktHdr The packet being unpacked. + * @param pszArgName The argument name. + * @param psz Pointer to the string within pPktHdr. + * @param ppszExp Where to return the expanded string. Must be + * freed by calling RTStrFree(). + * @param ppszNext Where to return the pointer to the next field. + * If NULL, then we assume this string is at the + * end of the packet and will make sure it has the + * advertised length. + * @param prcSend Where to return the status code of the send on + * failure. + */ +static bool txsIsStringValid(PCTXSPKTHDR pPktHdr, const char *pszArgName, const char *psz, + char **ppszExp, const char **ppszNext, int *prcSend) +{ + *ppszExp = NULL; + if (ppszNext) + *ppszNext = NULL; + + size_t const off = psz - (const char *)pPktHdr; + if (pPktHdr->cb <= off) + { + *prcSend = txsReplyFailure(pPktHdr, "STR MISS", "Missing string argument '%s' in '%.8s'", + pszArgName, pPktHdr->achOpcode); + return false; + } + + size_t const cchMax = pPktHdr->cb - off; + const char *pszEnd = RTStrEnd(psz, cchMax); + if (!pszEnd) + { + *prcSend = txsReplyFailure(pPktHdr, "STR TERM", "The string argument '%s' in '%.8s' is unterminated", + pszArgName, pPktHdr->achOpcode); + return false; + } + + if (!ppszNext && (size_t)(pszEnd - psz) != cchMax - 1) + { + *prcSend = txsReplyFailure(pPktHdr, "STR SHRT", "The string argument '%s' in '%.8s' is shorter than advertised", + pszArgName, pPktHdr->achOpcode); + return false; + } + + if (!txsReplaceStringVariables(pPktHdr, psz, ppszExp, prcSend)) + return false; + if (ppszNext) + *ppszNext = pszEnd + 1; + return true; +} + +/** + * Validates a packet with a single string after the header. + * + * @returns true if valid, false if invalid. + * @param pPktHdr The packet. + * @param pszArgName The argument name. + * @param ppszExp Where to return the string pointer. Variables + * will be replaced and it must therefore be freed + * by calling RTStrFree(). + * @param prcSend Where to return the status code of the send on + * failure. + */ +static bool txsIsStringPktValid(PCTXSPKTHDR pPktHdr, const char *pszArgName, char **ppszExp, int *prcSend) +{ + if (pPktHdr->cb < sizeof(TXSPKTHDR) + 2) + { + *ppszExp = NULL; + *prcSend = txsReplyBadMinSize(pPktHdr, sizeof(TXSPKTHDR) + 2); + return false; + } + + return txsIsStringValid(pPktHdr, pszArgName, (const char *)(pPktHdr + 1), ppszExp, NULL, prcSend); +} + +/** + * Checks if the two opcodes match. + * + * @returns true on match, false on mismatch. + * @param pPktHdr The packet header. + * @param pszOpcode2 The opcode we're comparing with. Does not have + * to be the whole 8 chars long. + */ +DECLINLINE(bool) txsIsSameOpcode(PCTXSPKTHDR pPktHdr, const char *pszOpcode2) +{ + if (pPktHdr->achOpcode[0] != pszOpcode2[0]) + return false; + if (pPktHdr->achOpcode[1] != pszOpcode2[1]) + return false; + + unsigned i = 2; + while ( i < RT_SIZEOFMEMB(TXSPKTHDR, achOpcode) + && pszOpcode2[i] != '\0') + { + if (pPktHdr->achOpcode[i] != pszOpcode2[i]) + break; + i++; + } + + if ( i < RT_SIZEOFMEMB(TXSPKTHDR, achOpcode) + && pszOpcode2[i] == '\0') + { + while ( i < RT_SIZEOFMEMB(TXSPKTHDR, achOpcode) + && pPktHdr->achOpcode[i] == ' ') + i++; + } + + return i == RT_SIZEOFMEMB(TXSPKTHDR, achOpcode); +} + +/** + * Used by txsDoGetFile to wait for a reply ACK from the client. + * + * @returns VINF_SUCCESS on ACK, VERR_GENERAL_FAILURE on NACK, + * VERR_NET_NOT_CONNECTED on unknown response (sending a bable reply), + * or whatever txsRecvPkt returns. + * @param pPktHdr The original packet (for future use). + */ +static int txsWaitForAck(PCTXSPKTHDR pPktHdr) +{ + NOREF(pPktHdr); + /** @todo timeout? */ + PTXSPKTHDR pReply; + int rc = txsRecvPkt(&pReply, false /*fAutoRetryOnFailure*/); + if (RT_SUCCESS(rc)) + { + if (txsIsSameOpcode(pReply, "ACK")) + rc = VINF_SUCCESS; + else if (txsIsSameOpcode(pReply, "NACK")) + rc = VERR_GENERAL_FAILURE; + else + { + txsReplyBabble("BABBLE "); + rc = VERR_NET_NOT_CONNECTED; + } + RTMemFree(pReply); + } + return rc; +} + +/** + * Expands the variables in the string and sends it back to the host. + * + * @returns IPRT status code from send. + * @param pPktHdr The expand string packet. + */ +static int txsDoExpandString(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszExpanded; + if (!txsIsStringPktValid(pPktHdr, "string", &pszExpanded, &rc)) + return rc; + + struct + { + TXSPKTHDR Hdr; + char szString[_64K]; + char abPadding[TXSPKT_ALIGNMENT]; + } Pkt; + + size_t const cbExpanded = strlen(pszExpanded) + 1; + if (cbExpanded <= sizeof(Pkt.szString)) + { + memcpy(Pkt.szString, pszExpanded, cbExpanded); + rc = txsReplyInternal(&Pkt.Hdr, "STRING ", cbExpanded); + } + else + { + memcpy(Pkt.szString, pszExpanded, sizeof(Pkt.szString)); + Pkt.szString[0] = '\0'; + rc = txsReplyInternal(&Pkt.Hdr, "SHORTSTR", sizeof(Pkt.szString)); + } + + RTStrFree(pszExpanded); + return rc; +} + +/** + * Packs a tar file / directory. + * + * @returns IPRT status code from send. + * @param pPktHdr The pack file packet. + */ +static int txsDoPackFile(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszFile = NULL; + char *pszSource = NULL; + + /* Packet cursor. */ + const char *pch = (const char *)(pPktHdr + 1); + + if (txsIsStringValid(pPktHdr, "file", pch, &pszFile, &pch, &rc)) + { + if (txsIsStringValid(pPktHdr, "source", pch, &pszSource, &pch, &rc)) + { + char *pszSuff = RTPathSuffix(pszFile); + + const char *apszArgs[7]; + unsigned cArgs = 0; + + apszArgs[cArgs++] = "RTTar"; + apszArgs[cArgs++] = "--create"; + + apszArgs[cArgs++] = "--file"; + apszArgs[cArgs++] = pszFile; + + if ( pszSuff + && ( !RTStrICmp(pszSuff, ".gz") + || !RTStrICmp(pszSuff, ".tgz"))) + apszArgs[cArgs++] = "--gzip"; + + apszArgs[cArgs++] = pszSource; + + RTEXITCODE rcExit = RTZipTarCmd(cArgs, (char **)apszArgs); + if (rcExit != RTEXITCODE_SUCCESS) + rc = VERR_GENERAL_FAILURE; /** @todo proper return code. */ + else + rc = VINF_SUCCESS; + + rc = txsReplyRC(pPktHdr, rc, "RTZipTarCmd(\"%s\",\"%s\")", + pszFile, pszSource); + + RTStrFree(pszSource); + } + RTStrFree(pszFile); + } + + return rc; +} + +/** + * Unpacks a tar file. + * + * @returns IPRT status code from send. + * @param pPktHdr The unpack file packet. + */ +static int txsDoUnpackFile(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszFile = NULL; + char *pszDirectory = NULL; + + /* Packet cursor. */ + const char *pch = (const char *)(pPktHdr + 1); + + if (txsIsStringValid(pPktHdr, "file", pch, &pszFile, &pch, &rc)) + { + if (txsIsStringValid(pPktHdr, "directory", pch, &pszDirectory, &pch, &rc)) + { + char *pszSuff = RTPathSuffix(pszFile); + + const char *apszArgs[7]; + unsigned cArgs = 0; + + apszArgs[cArgs++] = "RTTar"; + apszArgs[cArgs++] = "--extract"; + + apszArgs[cArgs++] = "--file"; + apszArgs[cArgs++] = pszFile; + + apszArgs[cArgs++] = "--directory"; + apszArgs[cArgs++] = pszDirectory; + + if ( pszSuff + && ( !RTStrICmp(pszSuff, ".gz") + || !RTStrICmp(pszSuff, ".tgz"))) + apszArgs[cArgs++] = "--gunzip"; + + RTEXITCODE rcExit = RTZipTarCmd(cArgs, (char **)apszArgs); + if (rcExit != RTEXITCODE_SUCCESS) + rc = VERR_GENERAL_FAILURE; /** @todo proper return code. */ + else + rc = VINF_SUCCESS; + + rc = txsReplyRC(pPktHdr, rc, "RTZipTarCmd(\"%s\",\"%s\")", + pszFile, pszDirectory); + + RTStrFree(pszDirectory); + } + RTStrFree(pszFile); + } + + return rc; +} + +/** + * Downloads a file to the client. + * + * The transfer sends a stream of DATA packets (0 or more) and ends it all with + * a ACK packet. If an error occurs, a FAILURE packet is sent and the transfer + * aborted. + * + * @returns IPRT status code from send. + * @param pPktHdr The get file packet. + */ +static int txsDoGetFile(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszPath; + if (!txsIsStringPktValid(pPktHdr, "file", &pszPath, &rc)) + return rc; + + RTFILE hFile; + rc = RTFileOpen(&hFile, pszPath, RTFILE_O_READ | RTFILE_O_DENY_NONE | RTFILE_O_OPEN); + if (RT_SUCCESS(rc)) + { + uint32_t uMyCrc32 = RTCrc32Start(); + for (;;) + { + struct + { + TXSPKTHDR Hdr; + uint32_t uCrc32; + char ab[_64K]; + char abPadding[TXSPKT_ALIGNMENT]; + } Pkt; + size_t cbRead; + rc = RTFileRead(hFile, &Pkt.ab[0], _64K, &cbRead); + if (RT_FAILURE(rc) || cbRead == 0) + { + if (rc == VERR_EOF || (RT_SUCCESS(rc) && cbRead == 0)) + { + Pkt.uCrc32 = RTCrc32Finish(uMyCrc32); + rc = txsReplyInternal(&Pkt.Hdr, "DATA EOF", sizeof(uint32_t)); + if (RT_SUCCESS(rc)) + rc = txsWaitForAck(&Pkt.Hdr); + } + else + rc = txsReplyRC(pPktHdr, rc, "RTFileRead"); + break; + } + + uMyCrc32 = RTCrc32Process(uMyCrc32, &Pkt.ab[0], cbRead); + Pkt.uCrc32 = RTCrc32Finish(uMyCrc32); + rc = txsReplyInternal(&Pkt.Hdr, "DATA ", cbRead + sizeof(uint32_t)); + if (RT_FAILURE(rc)) + break; + rc = txsWaitForAck(&Pkt.Hdr); + if (RT_FAILURE(rc)) + break; + } + + RTFileClose(hFile); + } + else + rc = txsReplyRC(pPktHdr, rc, "RTFileOpen(,\"%s\",)", pszPath); + + RTStrFree(pszPath); + return rc; +} + +/** + * Copies a file from the source to the destination locally. + * + * @returns IPRT status code from send. + * @param pPktHdr The copy file packet. + */ +static int txsDoCopyFile(PCTXSPKTHDR pPktHdr) +{ + /* After the packet header follows a 32-bit file mode, + * the remainder of the packet are two zero terminated paths. */ + size_t const cbMin = sizeof(TXSPKTHDR) + sizeof(RTFMODE) + 2; + if (pPktHdr->cb < cbMin) + return txsReplyBadMinSize(pPktHdr, cbMin); + + /* Packet cursor. */ + const char *pch = (const char *)(pPktHdr + 1); + + int rc; + + RTFMODE const fMode = *(RTFMODE const *)pch; + + char *pszSrc; + if (txsIsStringValid(pPktHdr, "source", (const char *)pch + sizeof(RTFMODE), &pszSrc, &pch, &rc)) + { + char *pszDst; + if (txsIsStringValid(pPktHdr, "dest", pch, &pszDst, NULL /* Check for string termination */, &rc)) + { + rc = RTFileCopy(pszSrc, pszDst); + if (RT_SUCCESS(rc)) + { + if (fMode) /* Do we need to set the file mode? */ + { + rc = RTPathSetMode(pszDst, fMode); + if (RT_FAILURE(rc)) + rc = txsReplyRC(pPktHdr, rc, "RTPathSetMode(\"%s\", %#x)", pszDst, fMode); + } + + if (RT_SUCCESS(rc)) + rc = txsReplyAck(pPktHdr); + } + else + rc = txsReplyRC(pPktHdr, rc, "RTFileCopy"); + RTStrFree(pszDst); + } + + RTStrFree(pszSrc); + } + + return rc; +} + +/** + * Uploads a file from the client. + * + * The transfer sends a stream of DATA packets (0 or more) and ends it all with + * a DATA EOF packet. We ACK each of these, so that if a write error occurs we + * can abort the transfer straight away. + * + * @returns IPRT status code from send. + * @param pPktHdr The put file packet. + * @param fHasMode Set if the packet starts with a mode field. + */ +static int txsDoPutFile(PCTXSPKTHDR pPktHdr, bool fHasMode) +{ + int rc; + RTFMODE fMode = 0; + char *pszPath; + if (!fHasMode) + { + if (!txsIsStringPktValid(pPktHdr, "file", &pszPath, &rc)) + return rc; + } + else + { + /* After the packet header follows a mode mask and the remainder of + the packet is the zero terminated file name. */ + size_t const cbMin = sizeof(TXSPKTHDR) + sizeof(RTFMODE) + 2; + if (pPktHdr->cb < cbMin) + return txsReplyBadMinSize(pPktHdr, cbMin); + if (!txsIsStringValid(pPktHdr, "file", (const char *)(pPktHdr + 1) + sizeof(RTFMODE), &pszPath, NULL, &rc)) + return rc; + fMode = *(RTFMODE const *)(pPktHdr + 1); + fMode <<= RTFILE_O_CREATE_MODE_SHIFT; + fMode &= RTFILE_O_CREATE_MODE_MASK; + } + + RTFILE hFile; + rc = RTFileOpen(&hFile, pszPath, RTFILE_O_WRITE | RTFILE_O_DENY_WRITE | RTFILE_O_CREATE_REPLACE | fMode); + if (RT_SUCCESS(rc)) + { + bool fSuccess = false; + rc = txsReplyAck(pPktHdr); + if (RT_SUCCESS(rc)) + { + if (fMode) + RTFileSetMode(hFile, fMode); + + /* + * Read client command packets and process them. + */ + uint32_t uMyCrc32 = RTCrc32Start(); + for (;;) + { + PTXSPKTHDR pDataPktHdr; + rc = txsRecvPkt(&pDataPktHdr, false /*fAutoRetryOnFailure*/); + if (RT_FAILURE(rc)) + break; + + if (txsIsSameOpcode(pDataPktHdr, "DATA")) + { + size_t const cbMin = sizeof(TXSPKTHDR) + sizeof(uint32_t); + if (pDataPktHdr->cb >= cbMin) + { + size_t cbData = pDataPktHdr->cb - cbMin; + const void *pvData = (const char *)pDataPktHdr + cbMin; + uint32_t uCrc32 = *(uint32_t const *)(pDataPktHdr + 1); + + uMyCrc32 = RTCrc32Process(uMyCrc32, pvData, cbData); + if (RTCrc32Finish(uMyCrc32) == uCrc32) + { + rc = RTFileWrite(hFile, pvData, cbData, NULL); + if (RT_SUCCESS(rc)) + { + rc = txsReplyAck(pDataPktHdr); + RTMemFree(pDataPktHdr); + continue; + } + + rc = txsReplyRC(pDataPktHdr, rc, "RTFileWrite"); + } + else + rc = txsReplyFailure(pDataPktHdr, "BAD DCRC", "mycrc=%#x your=%#x", uMyCrc32, uCrc32); + } + else + rc = txsReplyBadMinSize(pPktHdr, cbMin); + } + else if (txsIsSameOpcode(pDataPktHdr, "DATA EOF")) + { + if (pDataPktHdr->cb == sizeof(TXSPKTHDR) + sizeof(uint32_t)) + { + uint32_t uCrc32 = *(uint32_t const *)(pDataPktHdr + 1); + if (RTCrc32Finish(uMyCrc32) == uCrc32) + { + rc = txsReplyAck(pDataPktHdr); + fSuccess = RT_SUCCESS(rc); + } + else + rc = txsReplyFailure(pDataPktHdr, "BAD DCRC", "mycrc=%#x your=%#x", uMyCrc32, uCrc32); + } + else + rc = txsReplyAck(pDataPktHdr); + } + else if (txsIsSameOpcode(pDataPktHdr, "ABORT")) + rc = txsReplyAck(pDataPktHdr); + else + rc = txsReplyFailure(pDataPktHdr, "UNKNOWN ", "Opcode '%.8s' is not known or not recognized during PUT FILE", pDataPktHdr->achOpcode); + RTMemFree(pDataPktHdr); + break; + } + } + + RTFileClose(hFile); + + /* + * Delete the file on failure. + */ + if (!fSuccess) + RTFileDelete(pszPath); + } + else + rc = txsReplyRC(pPktHdr, rc, "RTFileOpen(,\"%s\",)", pszPath); + + RTStrFree(pszPath); + return rc; +} + +/** + * List the entries in the specified directory. + * + * @returns IPRT status code from send. + * @param pPktHdr The list packet. + */ +static int txsDoList(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszPath; + if (!txsIsStringPktValid(pPktHdr, "dir", &pszPath, &rc)) + return rc; + + rc = txsReplyNotImplemented(pPktHdr); + + RTStrFree(pszPath); + return rc; +} + +/** + * Worker for STAT and LSTAT for packing down the file info reply. + * + * @returns IPRT status code from send. + * @param pInfo The info to pack down. + */ +static int txsReplyObjInfo(PCRTFSOBJINFO pInfo) +{ + struct + { + TXSPKTHDR Hdr; + int64_t cbObject; + int64_t cbAllocated; + int64_t nsAccessTime; + int64_t nsModificationTime; + int64_t nsChangeTime; + int64_t nsBirthTime; + uint32_t fMode; + uint32_t uid; + uint32_t gid; + uint32_t cHardLinks; + uint64_t INodeIdDevice; + uint64_t INodeId; + uint64_t Device; + char abPadding[TXSPKT_ALIGNMENT]; + } Pkt; + + Pkt.cbObject = pInfo->cbObject; + Pkt.cbAllocated = pInfo->cbAllocated; + Pkt.nsAccessTime = RTTimeSpecGetNano(&pInfo->AccessTime); + Pkt.nsModificationTime = RTTimeSpecGetNano(&pInfo->ModificationTime); + Pkt.nsChangeTime = RTTimeSpecGetNano(&pInfo->ChangeTime); + Pkt.nsBirthTime = RTTimeSpecGetNano(&pInfo->BirthTime); + Pkt.fMode = pInfo->Attr.fMode; + Pkt.uid = pInfo->Attr.u.Unix.uid; + Pkt.gid = pInfo->Attr.u.Unix.gid; + Pkt.cHardLinks = pInfo->Attr.u.Unix.cHardlinks; + Pkt.INodeIdDevice = pInfo->Attr.u.Unix.INodeIdDevice; + Pkt.INodeId = pInfo->Attr.u.Unix.INodeId; + Pkt.Device = pInfo->Attr.u.Unix.Device; + + return txsReplyInternal(&Pkt.Hdr, "FILEINFO", sizeof(Pkt) - TXSPKT_ALIGNMENT - sizeof(TXSPKTHDR)); +} + +/** + * Get info about a file system object, following all but the symbolic links + * except in the final path component. + * + * @returns IPRT status code from send. + * @param pPktHdr The lstat packet. + */ +static int txsDoLStat(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszPath; + if (!txsIsStringPktValid(pPktHdr, "path", &pszPath, &rc)) + return rc; + + RTFSOBJINFO Info; + rc = RTPathQueryInfoEx(pszPath, &Info, RTFSOBJATTRADD_UNIX, RTPATH_F_ON_LINK); + if (RT_SUCCESS(rc)) + rc = txsReplyObjInfo(&Info); + else + rc = txsReplyRC(pPktHdr, rc, "RTPathQueryInfoEx(\"%s\",,UNIX,ON_LINK)", pszPath); + + RTStrFree(pszPath); + return rc; +} + +/** + * Get info about a file system object, following all symbolic links. + * + * @returns IPRT status code from send. + * @param pPktHdr The stat packet. + */ +static int txsDoStat(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszPath; + if (!txsIsStringPktValid(pPktHdr, "path", &pszPath, &rc)) + return rc; + + RTFSOBJINFO Info; + rc = RTPathQueryInfoEx(pszPath, &Info, RTFSOBJATTRADD_UNIX, RTPATH_F_FOLLOW_LINK); + if (RT_SUCCESS(rc)) + rc = txsReplyObjInfo(&Info); + else + rc = txsReplyRC(pPktHdr, rc, "RTPathQueryInfoEx(\"%s\",,UNIX,FOLLOW_LINK)", pszPath); + + RTStrFree(pszPath); + return rc; +} + +/** + * Checks if the specified path is a symbolic link. + * + * @returns IPRT status code from send. + * @param pPktHdr The issymlnk packet. + */ +static int txsDoIsSymlnk(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszPath; + if (!txsIsStringPktValid(pPktHdr, "symlink", &pszPath, &rc)) + return rc; + + RTFSOBJINFO Info; + rc = RTPathQueryInfoEx(pszPath, &Info, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK); + if (RT_SUCCESS(rc) && RTFS_IS_SYMLINK(Info.Attr.fMode)) + rc = txsReplySimple(pPktHdr, "TRUE "); + else + rc = txsReplySimple(pPktHdr, "FALSE "); + + RTStrFree(pszPath); + return rc; +} + +/** + * Checks if the specified path is a file or not. + * + * If the final path element is a symbolic link to a file, we'll return + * FALSE. + * + * @returns IPRT status code from send. + * @param pPktHdr The isfile packet. + */ +static int txsDoIsFile(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszPath; + if (!txsIsStringPktValid(pPktHdr, "dir", &pszPath, &rc)) + return rc; + + RTFSOBJINFO Info; + rc = RTPathQueryInfoEx(pszPath, &Info, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK); + if (RT_SUCCESS(rc) && RTFS_IS_FILE(Info.Attr.fMode)) + rc = txsReplySimple(pPktHdr, "TRUE "); + else + rc = txsReplySimple(pPktHdr, "FALSE "); + + RTStrFree(pszPath); + return rc; +} + +/** + * Checks if the specified path is a directory or not. + * + * If the final path element is a symbolic link to a directory, we'll return + * FALSE. + * + * @returns IPRT status code from send. + * @param pPktHdr The isdir packet. + */ +static int txsDoIsDir(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszPath; + if (!txsIsStringPktValid(pPktHdr, "dir", &pszPath, &rc)) + return rc; + + RTFSOBJINFO Info; + rc = RTPathQueryInfoEx(pszPath, &Info, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK); + if (RT_SUCCESS(rc) && RTFS_IS_DIRECTORY(Info.Attr.fMode)) + rc = txsReplySimple(pPktHdr, "TRUE "); + else + rc = txsReplySimple(pPktHdr, "FALSE "); + + RTStrFree(pszPath); + return rc; +} + +/** + * Changes the owner of a file, directory or symbolic link. + * + * @returns IPRT status code from send. + * @param pPktHdr The chmod packet. + */ +static int txsDoChOwn(PCTXSPKTHDR pPktHdr) +{ +#ifdef RT_OS_WINDOWS + return txsReplyNotImplemented(pPktHdr); +#else + /* After the packet header follows a 32-bit UID and 32-bit GID, while the + remainder of the packet is the zero terminated path. */ + size_t const cbMin = sizeof(TXSPKTHDR) + sizeof(RTFMODE) + 2; + if (pPktHdr->cb < cbMin) + return txsReplyBadMinSize(pPktHdr, cbMin); + + int rc; + char *pszPath; + if (!txsIsStringValid(pPktHdr, "path", (const char *)(pPktHdr + 1) + sizeof(uint32_t) * 2, &pszPath, NULL, &rc)) + return rc; + + uint32_t uid = ((uint32_t const *)(pPktHdr + 1))[0]; + uint32_t gid = ((uint32_t const *)(pPktHdr + 1))[1]; + + rc = RTPathSetOwnerEx(pszPath, uid, gid, RTPATH_F_ON_LINK); + + rc = txsReplyRC(pPktHdr, rc, "RTPathSetOwnerEx(\"%s\", %u, %u)", pszPath, uid, gid); + RTStrFree(pszPath); + return rc; +#endif +} + +/** + * Changes the mode of a file or directory. + * + * @returns IPRT status code from send. + * @param pPktHdr The chmod packet. + */ +static int txsDoChMod(PCTXSPKTHDR pPktHdr) +{ + /* After the packet header follows a mode mask and the remainder of + the packet is the zero terminated file name. */ + size_t const cbMin = sizeof(TXSPKTHDR) + sizeof(RTFMODE) + 2; + if (pPktHdr->cb < cbMin) + return txsReplyBadMinSize(pPktHdr, cbMin); + + int rc; + char *pszPath; + if (!txsIsStringValid(pPktHdr, "path", (const char *)(pPktHdr + 1) + sizeof(RTFMODE), &pszPath, NULL, &rc)) + return rc; + + RTFMODE fMode = *(RTFMODE const *)(pPktHdr + 1); + + rc = RTPathSetMode(pszPath, fMode); + + rc = txsReplyRC(pPktHdr, rc, "RTPathSetMode(\"%s\", %o)", pszPath, fMode); + RTStrFree(pszPath); + return rc; +} + +/** + * Removes a directory tree. + * + * @returns IPRT status code from send. + * @param pPktHdr The rmtree packet. + */ +static int txsDoRmTree(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszPath; + if (!txsIsStringPktValid(pPktHdr, "dir", &pszPath, &rc)) + return rc; + + rc = RTDirRemoveRecursive(pszPath, 0 /*fFlags*/); + + rc = txsReplyRC(pPktHdr, rc, "RTDirRemoveRecusive(\"%s\",0)", pszPath); + RTStrFree(pszPath); + return rc; +} + +/** + * Removes a symbolic link. + * + * @returns IPRT status code from send. + * @param pPktHdr The rmsymlink packet. + */ +static int txsDoRmSymlnk(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszPath; + if (!txsIsStringPktValid(pPktHdr, "symlink", &pszPath, &rc)) + return rc; + + rc = RTSymlinkDelete(pszPath, 0); + + rc = txsReplyRC(pPktHdr, rc, "RTSymlinkDelete(\"%s\")", pszPath); + RTStrFree(pszPath); + return rc; +} + +/** + * Removes a file. + * + * @returns IPRT status code from send. + * @param pPktHdr The rmfile packet. + */ +static int txsDoRmFile(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszPath; + if (!txsIsStringPktValid(pPktHdr, "file", &pszPath, &rc)) + return rc; + + rc = RTFileDelete(pszPath); + + rc = txsReplyRC(pPktHdr, rc, "RTFileDelete(\"%s\")", pszPath); + RTStrFree(pszPath); + return rc; +} + +/** + * Removes a directory. + * + * @returns IPRT status code from send. + * @param pPktHdr The rmdir packet. + */ +static int txsDoRmDir(PCTXSPKTHDR pPktHdr) +{ + int rc; + char *pszPath; + if (!txsIsStringPktValid(pPktHdr, "dir", &pszPath, &rc)) + return rc; + + rc = RTDirRemove(pszPath); + + rc = txsReplyRC(pPktHdr, rc, "RTDirRemove(\"%s\")", pszPath); + RTStrFree(pszPath); + return rc; +} + +/** + * Creates a symbolic link. + * + * @returns IPRT status code from send. + * @param pPktHdr The mksymlnk packet. + */ +static int txsDoMkSymlnk(PCTXSPKTHDR pPktHdr) +{ + return txsReplyNotImplemented(pPktHdr); +} + +/** + * Creates a directory and all its parents. + * + * @returns IPRT status code from send. + * @param pPktHdr The mkdir -p packet. + */ +static int txsDoMkDrPath(PCTXSPKTHDR pPktHdr) +{ + /* The same format as the MKDIR command. */ + if (pPktHdr->cb < sizeof(TXSPKTHDR) + sizeof(RTFMODE) + 2) + return txsReplyBadMinSize(pPktHdr, sizeof(TXSPKTHDR) + sizeof(RTFMODE) + 2); + + int rc; + char *pszPath; + if (!txsIsStringValid(pPktHdr, "dir", (const char *)(pPktHdr + 1) + sizeof(RTFMODE), &pszPath, NULL, &rc)) + return rc; + + RTFMODE fMode = *(RTFMODE const *)(pPktHdr + 1); + + rc = RTDirCreateFullPathEx(pszPath, fMode, RTDIRCREATE_FLAGS_IGNORE_UMASK); + + rc = txsReplyRC(pPktHdr, rc, "RTDirCreateFullPath(\"%s\", %#x)", pszPath, fMode); + RTStrFree(pszPath); + return rc; +} + +/** + * Creates a directory. + * + * @returns IPRT status code from send. + * @param pPktHdr The mkdir packet. + */ +static int txsDoMkDir(PCTXSPKTHDR pPktHdr) +{ + /* After the packet header follows a mode mask and the remainder of + the packet is the zero terminated directory name. */ + size_t const cbMin = sizeof(TXSPKTHDR) + sizeof(RTFMODE) + 2; + if (pPktHdr->cb < cbMin) + return txsReplyBadMinSize(pPktHdr, cbMin); + + int rc; + char *pszPath; + if (!txsIsStringValid(pPktHdr, "dir", (const char *)(pPktHdr + 1) + sizeof(RTFMODE), &pszPath, NULL, &rc)) + return rc; + + RTFMODE fMode = *(RTFMODE const *)(pPktHdr + 1); + rc = RTDirCreate(pszPath, fMode, RTDIRCREATE_FLAGS_IGNORE_UMASK); + + rc = txsReplyRC(pPktHdr, rc, "RTDirCreate(\"%s\", %#x)", pszPath, fMode); + RTStrFree(pszPath); + return rc; +} + +/** + * Cleans up the scratch area. + * + * @returns IPRT status code from send. + * @param pPktHdr The shutdown packet. + */ +static int txsDoCleanup(PCTXSPKTHDR pPktHdr) +{ + int rc = RTDirRemoveRecursive(g_szScratchPath, RTDIRRMREC_F_CONTENT_ONLY); + return txsReplyRC(pPktHdr, rc, "RTDirRemoveRecursive(\"%s\", CONTENT_ONLY)", g_szScratchPath); +} + +/** + * Ejects the specified DVD/CD drive. + * + * @returns IPRT status code from send. + * @param pPktHdr The eject packet. + */ +static int txsDoCdEject(PCTXSPKTHDR pPktHdr) +{ + /* After the packet header follows a uint32_t ordinal. */ + size_t const cbExpected = sizeof(TXSPKTHDR) + sizeof(uint32_t); + if (pPktHdr->cb != cbExpected) + return txsReplyBadSize(pPktHdr, cbExpected); + uint32_t iOrdinal = *(uint32_t const *)(pPktHdr + 1); + + RTCDROM hCdrom; + int rc = RTCdromOpenByOrdinal(iOrdinal, RTCDROM_O_CONTROL, &hCdrom); + if (RT_FAILURE(rc)) + return txsReplyRC(pPktHdr, rc, "RTCdromOpenByOrdinal(%u, RTCDROM_O_CONTROL, )", iOrdinal); + rc = RTCdromEject(hCdrom, true /*fForce*/); + RTCdromRelease(hCdrom); + + return txsReplyRC(pPktHdr, rc, "RTCdromEject(ord=%u, fForce=true)", iOrdinal); +} + +/** + * Common worker for txsDoShutdown and txsDoReboot. + * + * @returns IPRT status code from send. + * @param pPktHdr The reboot packet. + * @param fAction Which action to take. + */ +static int txsCommonShutdownReboot(PCTXSPKTHDR pPktHdr, uint32_t fAction) +{ + /* + * We ACK the reboot & shutdown before actually performing them, then we + * terminate the transport layer. + * + * This is to make sure the client isn't stuck with a dead connection. The + * transport layer termination also make sure we won't accept new + * connections in case the client is too eager to reconnect to a rebooted + * test victim. On the down side, we cannot easily report RTSystemShutdown + * failures failures this way. But the client can kind of figure it out by + * reconnecting and seeing that our UUID was unchanged. + */ + int rc; + if (pPktHdr->cb != sizeof(TXSPKTHDR)) + return txsReplyBadSize(pPktHdr, sizeof(TXSPKTHDR)); + g_pTransport->pfnNotifyReboot(); + rc = txsReplyAck(pPktHdr); + RTThreadSleep(2560); /* fudge factor */ + g_pTransport->pfnTerm(); + + /* + * Do the job, if it fails we'll restart the transport layer. + */ +#if 0 + rc = VINF_SUCCESS; +#else + rc = RTSystemShutdown(0 /*cMsDelay*/, + fAction | RTSYSTEM_SHUTDOWN_PLANNED | RTSYSTEM_SHUTDOWN_FORCE, + "Test Execution Service"); +#endif + if (RT_SUCCESS(rc)) + { + RTMsgInfo(fAction == RTSYSTEM_SHUTDOWN_REBOOT ? "Rebooting...\n" : "Shutting down...\n"); + g_fTerminate = true; + } + else + { + RTMsgError("RTSystemShutdown w/ fAction=%#x failed: %Rrc", fAction, rc); + + int rc2 = g_pTransport->pfnInit(); + if (RT_FAILURE(rc2)) + { + g_fTerminate = true; + rc = rc2; + } + } + return rc; +} + +/** + * Shuts down the machine, powering it off if possible. + * + * @returns IPRT status code from send. + * @param pPktHdr The shutdown packet. + */ +static int txsDoShutdown(PCTXSPKTHDR pPktHdr) +{ + return txsCommonShutdownReboot(pPktHdr, RTSYSTEM_SHUTDOWN_POWER_OFF_HALT); +} + +/** + * Reboots the machine. + * + * @returns IPRT status code from send. + * @param pPktHdr The reboot packet. + */ +static int txsDoReboot(PCTXSPKTHDR pPktHdr) +{ + return txsCommonShutdownReboot(pPktHdr, RTSYSTEM_SHUTDOWN_REBOOT); +} + +/** + * Verifies and acknowledges a "UUID" request. + * + * @returns IPRT status code. + * @param pPktHdr The UUID packet. + */ +static int txsDoUuid(PCTXSPKTHDR pPktHdr) +{ + if (pPktHdr->cb != sizeof(TXSPKTHDR)) + return txsReplyBadSize(pPktHdr, sizeof(TXSPKTHDR)); + + struct + { + TXSPKTHDR Hdr; + char szUuid[RTUUID_STR_LENGTH]; + char abPadding[TXSPKT_ALIGNMENT]; + } Pkt; + + int rc = RTUuidToStr(&g_InstanceUuid, Pkt.szUuid, sizeof(Pkt.szUuid)); + if (RT_FAILURE(rc)) + return txsReplyRC(pPktHdr, rc, "RTUuidToStr"); + return txsReplyInternal(&Pkt.Hdr, "ACK UUID", strlen(Pkt.szUuid) + 1); +} + +/** + * Verifies and acknowledges a "BYE" request. + * + * @returns IPRT status code. + * @param pPktHdr The bye packet. + */ +static int txsDoBye(PCTXSPKTHDR pPktHdr) +{ + int rc; + if (pPktHdr->cb == sizeof(TXSPKTHDR)) + rc = txsReplyAck(pPktHdr); + else + rc = txsReplyBadSize(pPktHdr, sizeof(TXSPKTHDR)); + g_pTransport->pfnNotifyBye(); + return rc; +} + +/** + * Verifies and acknowledges a "VER" request. + * + * @returns IPRT status code. + * @param pPktHdr The version packet. + */ +static int txsDoVer(PCTXSPKTHDR pPktHdr) +{ + if (pPktHdr->cb != sizeof(TXSPKTHDR)) + return txsReplyBadSize(pPktHdr, sizeof(TXSPKTHDR)); + + struct + { + TXSPKTHDR Hdr; + char szVer[96]; + char abPadding[TXSPKT_ALIGNMENT]; + } Pkt; + + if (RTStrPrintf2(Pkt.szVer, sizeof(Pkt.szVer), "%s r%s %s.%s (%s %s)", + RTBldCfgVersion(), RTBldCfgRevisionStr(), KBUILD_TARGET, KBUILD_TARGET_ARCH, __DATE__, __TIME__) > 0) + { + return txsReplyInternal(&Pkt.Hdr, "ACK VER ", strlen(Pkt.szVer) + 1); + } + + return txsReplyRC(pPktHdr, VERR_BUFFER_OVERFLOW, "RTStrPrintf2"); +} + +/** + * Verifies and acknowledges a "HOWDY" request. + * + * @returns IPRT status code. + * @param pPktHdr The howdy packet. + */ +static int txsDoHowdy(PCTXSPKTHDR pPktHdr) +{ + if (pPktHdr->cb != sizeof(TXSPKTHDR)) + return txsReplyBadSize(pPktHdr, sizeof(TXSPKTHDR)); + int rc = txsReplyAck(pPktHdr); + if (RT_SUCCESS(rc)) + { + g_pTransport->pfnNotifyHowdy(); + RTDirRemoveRecursive(g_szScratchPath, RTDIRRMREC_F_CONTENT_ONLY); + } + return rc; +} + +/** + * Replies according to the return code. + * + * @returns rcOperation and pTxsExec->rcReplySend. + * @param pTxsExec The TXSEXEC instance. + * @param rcOperation The status code to report. + * @param pszOperationFmt The operation that failed. Typically giving the + * function call with important arguments. + * @param ... Arguments to the format string. + */ +static int txsExecReplyRC(PTXSEXEC pTxsExec, int rcOperation, const char *pszOperationFmt, ...) +{ + AssertStmt(RT_FAILURE_NP(rcOperation), rcOperation = VERR_IPE_UNEXPECTED_INFO_STATUS); + + char szOperation[128]; + va_list va; + va_start(va, pszOperationFmt); + RTStrPrintfV(szOperation, sizeof(szOperation), pszOperationFmt, va); + va_end(va); + + pTxsExec->rcReplySend = txsReplyFailure(pTxsExec->pPktHdr, "FAILED ", + "%s failed with rc=%Rrc (opcode '%.8s')", + szOperation, rcOperation, pTxsExec->pPktHdr->achOpcode); + return rcOperation; +} + + +/** + * Sends the process exit status reply to the TXS client. + * + * @returns IPRT status code of the send. + * @param pTxsExec The TXSEXEC instance. + * @param fProcessAlive Whether the process is still alive (against our + * will). + * @param fProcessTimedOut Whether the process timed out. + * @param MsProcessKilled When the process was killed, UINT64_MAX if not. + */ +static int txsExecSendExitStatus(PTXSEXEC pTxsExec, bool fProcessAlive, bool fProcessTimedOut, uint64_t MsProcessKilled) +{ + int rc; + if ( fProcessTimedOut && !fProcessAlive && MsProcessKilled != UINT64_MAX) + { + rc = txsReplySimple(pTxsExec->pPktHdr, "PROC TOK"); + if (g_fDisplayOutput) + RTPrintf("txs: Process timed out and was killed\n"); + } + else if (fProcessTimedOut && fProcessAlive && MsProcessKilled != UINT64_MAX) + { + rc = txsReplySimple(pTxsExec->pPktHdr, "PROC TOA"); + if (g_fDisplayOutput) + RTPrintf("txs: Process timed out and was not killed successfully\n"); + } + else if (g_fTerminate && (fProcessAlive || MsProcessKilled != UINT64_MAX)) + rc = txsReplySimple(pTxsExec->pPktHdr, "PROC DWN"); + else if (fProcessAlive) + { + rc = txsReplyFailure(pTxsExec->pPktHdr, "PROC DOO", "Doofus! process is alive when it should not"); + AssertFailed(); + } + else if (MsProcessKilled != UINT64_MAX) + { + rc = txsReplyFailure(pTxsExec->pPktHdr, "PROC DOO", "Doofus! process has been killed when it should not"); + AssertFailed(); + } + else if ( pTxsExec->ProcessStatus.enmReason == RTPROCEXITREASON_NORMAL + && pTxsExec->ProcessStatus.iStatus == 0) + { + rc = txsReplySimple(pTxsExec->pPktHdr, "PROC OK "); + if (g_fDisplayOutput) + RTPrintf("txs: Process exited with status: 0\n"); + } + else if (pTxsExec->ProcessStatus.enmReason == RTPROCEXITREASON_NORMAL) + { + rc = txsReplyFailure(pTxsExec->pPktHdr, "PROC NOK", "%d", pTxsExec->ProcessStatus.iStatus); + if (g_fDisplayOutput) + RTPrintf("txs: Process exited with status: %d\n", pTxsExec->ProcessStatus.iStatus); + } + else if (pTxsExec->ProcessStatus.enmReason == RTPROCEXITREASON_SIGNAL) + { + rc = txsReplyFailure(pTxsExec->pPktHdr, "PROC SIG", "%d", pTxsExec->ProcessStatus.iStatus); + if (g_fDisplayOutput) + RTPrintf("txs: Process exited with status: signal %d\n", pTxsExec->ProcessStatus.iStatus); + } + else if (pTxsExec->ProcessStatus.enmReason == RTPROCEXITREASON_ABEND) + { + rc = txsReplyFailure(pTxsExec->pPktHdr, "PROC ABD", ""); + if (g_fDisplayOutput) + RTPrintf("txs: Process exited with status: abend\n"); + } + else + { + rc = txsReplyFailure(pTxsExec->pPktHdr, "PROC DOO", "enmReason=%d iStatus=%d", + pTxsExec->ProcessStatus.enmReason, pTxsExec->ProcessStatus.iStatus); + AssertMsgFailed(("enmReason=%d iStatus=%d", pTxsExec->ProcessStatus.enmReason, pTxsExec->ProcessStatus.iStatus)); + } + return rc; +} + +/** + * Handle pending output data or error on standard out, standard error or the + * test pipe. + * + * @returns IPRT status code from client send. + * @param hPollSet The polling set. + * @param fPollEvt The event mask returned by RTPollNoResume. + * @param phPipeR The pipe handle. + * @param puCrc32 The current CRC-32 of the stream. (In/Out) + * @param enmHndId The handle ID. + * @param pszOpcode The opcode for the data upload. + * + * @todo Put the last 4 parameters into a struct! + */ +static int txsDoExecHlpHandleOutputEvent(RTPOLLSET hPollSet, uint32_t fPollEvt, PRTPIPE phPipeR, + uint32_t *puCrc32, TXSEXECHNDID enmHndId, const char *pszOpcode) +{ + Log(("txsDoExecHlpHandleOutputEvent: %s fPollEvt=%#x\n", pszOpcode, fPollEvt)); + + /* + * Try drain the pipe before acting on any errors. + */ + int rc = VINF_SUCCESS; + struct + { + TXSPKTHDR Hdr; + uint32_t uCrc32; + char abBuf[_64K]; + char abPadding[TXSPKT_ALIGNMENT]; + } Pkt; + size_t cbRead; + int rc2 = RTPipeRead(*phPipeR, Pkt.abBuf, sizeof(Pkt.abBuf), &cbRead); + if (RT_SUCCESS(rc2) && cbRead) + { + Log(("Crc32=%#x ", *puCrc32)); + *puCrc32 = RTCrc32Process(*puCrc32, Pkt.abBuf, cbRead); + Log(("cbRead=%#x Crc32=%#x \n", cbRead, *puCrc32)); + Pkt.uCrc32 = RTCrc32Finish(*puCrc32); + if (g_fDisplayOutput) + { + if (enmHndId == TXSEXECHNDID_STDOUT) + RTStrmPrintf(g_pStdErr, "%.*s", cbRead, Pkt.abBuf); + else if (enmHndId == TXSEXECHNDID_STDERR) + RTStrmPrintf(g_pStdErr, "%.*s", cbRead, Pkt.abBuf); + } + + rc = txsReplyInternal(&Pkt.Hdr, pszOpcode, cbRead + sizeof(uint32_t)); + + /* Make sure we go another poll round in case there was too much data + for the buffer to hold. */ + fPollEvt &= RTPOLL_EVT_ERROR; + } + else if (RT_FAILURE(rc2)) + { + fPollEvt |= RTPOLL_EVT_ERROR; + AssertMsg(rc2 == VERR_BROKEN_PIPE, ("%Rrc\n", rc)); + } + + /* + * If an error was raised signalled, + */ + if (fPollEvt & RTPOLL_EVT_ERROR) + { + rc2 = RTPollSetRemove(hPollSet, enmHndId); + AssertRC(rc2); + + rc2 = RTPipeClose(*phPipeR); + AssertRC(rc2); + *phPipeR = NIL_RTPIPE; + } + return rc; +} + +/** + * Try write some more data to the standard input of the child. + * + * @returns IPRT status code. + * @param pStdInBuf The standard input buffer. + * @param hStdInW The standard input pipe. + */ +static int txsDoExecHlpWriteStdIn(PTXSEXECSTDINBUF pStdInBuf, RTPIPE hStdInW) +{ + size_t cbToWrite = pStdInBuf->cb - pStdInBuf->off; + size_t cbWritten; + int rc = RTPipeWrite(hStdInW, &pStdInBuf->pch[pStdInBuf->off], cbToWrite, &cbWritten); + if (RT_SUCCESS(rc)) + { + Assert(cbWritten == cbToWrite); + pStdInBuf->off += cbWritten; + } + return rc; +} + +/** + * Handle an error event on standard input. + * + * @param hPollSet The polling set. + * @param fPollEvt The event mask returned by RTPollNoResume. + * @param phStdInW The standard input pipe handle. + * @param pStdInBuf The standard input buffer. + */ +static void txsDoExecHlpHandleStdInErrorEvent(RTPOLLSET hPollSet, uint32_t fPollEvt, PRTPIPE phStdInW, + PTXSEXECSTDINBUF pStdInBuf) +{ + NOREF(fPollEvt); + int rc2; + if (pStdInBuf->off < pStdInBuf->cb) + { + rc2 = RTPollSetRemove(hPollSet, TXSEXECHNDID_STDIN_WRITABLE); + AssertRC(rc2); + } + + rc2 = RTPollSetRemove(hPollSet, TXSEXECHNDID_STDIN); + AssertRC(rc2); + + rc2 = RTPipeClose(*phStdInW); + AssertRC(rc2); + *phStdInW = NIL_RTPIPE; + + RTMemFree(pStdInBuf->pch); + pStdInBuf->pch = NULL; + pStdInBuf->off = 0; + pStdInBuf->cb = 0; + pStdInBuf->cbAllocated = 0; + pStdInBuf->fBitBucket = true; +} + +/** + * Handle an event indicating we can write to the standard input pipe of the + * child process. + * + * @param hPollSet The polling set. + * @param fPollEvt The event mask returned by RTPollNoResume. + * @param phStdInW The standard input pipe. + * @param pStdInBuf The standard input buffer. + */ +static void txsDoExecHlpHandleStdInWritableEvent(RTPOLLSET hPollSet, uint32_t fPollEvt, PRTPIPE phStdInW, + PTXSEXECSTDINBUF pStdInBuf) +{ + int rc; + if (!(fPollEvt & RTPOLL_EVT_ERROR)) + { + rc = txsDoExecHlpWriteStdIn(pStdInBuf, *phStdInW); + if (RT_FAILURE(rc) && rc != VERR_BAD_PIPE) + { + /** @todo do we need to do something about this error condition? */ + AssertRC(rc); + } + + if (pStdInBuf->off < pStdInBuf->cb) + { + rc = RTPollSetRemove(hPollSet, TXSEXECHNDID_STDIN_WRITABLE); + AssertRC(rc); + } + } + else + txsDoExecHlpHandleStdInErrorEvent(hPollSet, fPollEvt, phStdInW, pStdInBuf); +} + +/** + * Handle a transport event or successful pfnPollIn() call. + * + * @returns IPRT status code from client send. + * @retval VINF_EOF indicates ABORT command. + * + * @param hPollSet The polling set. + * @param fPollEvt The event mask returned by RTPollNoResume. + * @param idPollHnd The handle ID. + * @param phStdInW The standard input pipe. + * @param pStdInBuf The standard input buffer. + */ +static int txsDoExecHlpHandleTransportEvent(RTPOLLSET hPollSet, uint32_t fPollEvt, uint32_t idPollHnd, + PRTPIPE phStdInW, PTXSEXECSTDINBUF pStdInBuf) +{ + /* ASSUMES the transport layer will detect or clear any error condition. */ + NOREF(fPollEvt); NOREF(idPollHnd); + Log(("txsDoExecHlpHandleTransportEvent\n")); + /** @todo Use a callback for this case? */ + + /* + * Read client command packet and process it. + */ + /** @todo Sometimes this hangs on windows because there isn't any data pending. + * We probably get woken up at the wrong time or in the wrong way, i.e. RTPoll() + * is busted for sockets. + * + * Temporary workaround: Poll for input before trying to read it. */ + if (!g_pTransport->pfnPollIn()) + { + Log(("Bad transport event\n")); + RTThreadYield(); + return VINF_SUCCESS; + } + PTXSPKTHDR pPktHdr; + int rc = txsRecvPkt(&pPktHdr, false /*fAutoRetryOnFailure*/); + if (RT_FAILURE(rc)) + return rc; + Log(("Bad transport event\n")); + + /* + * The most common thing here would be a STDIN request with data + * for the child process. + */ + if (txsIsSameOpcode(pPktHdr, "STDIN")) + { + if ( !pStdInBuf->fBitBucket + && pPktHdr->cb >= sizeof(TXSPKTHDR) + sizeof(uint32_t)) + { + uint32_t uCrc32 = *(uint32_t *)(pPktHdr + 1); + const char *pch = (const char *)(pPktHdr + 1) + sizeof(uint32_t); + size_t cb = pPktHdr->cb - sizeof(TXSPKTHDR) - sizeof(uint32_t); + + /* Check the CRC */ + pStdInBuf->uCrc32 = RTCrc32Process(pStdInBuf->uCrc32, pch, cb); + if (RTCrc32Finish(pStdInBuf->uCrc32) == uCrc32) + { + + /* Rewind the buffer if it's empty. */ + size_t cbInBuf = pStdInBuf->cb - pStdInBuf->off; + bool const fAddToSet = cbInBuf == 0; + if (fAddToSet) + pStdInBuf->cb = pStdInBuf->off = 0; + + /* Try and see if we can simply append the data. */ + if (cb + pStdInBuf->cb <= pStdInBuf->cbAllocated) + { + memcpy(&pStdInBuf->pch[pStdInBuf->cb], pch, cb); + pStdInBuf->cb += cb; + rc = txsReplyAck(pPktHdr); + } + else + { + /* Try write a bit or two before we move+realloc the buffer. */ + if (cbInBuf > 0) + txsDoExecHlpWriteStdIn(pStdInBuf, *phStdInW); + + /* Move any buffered data to the front. */ + cbInBuf = pStdInBuf->cb - pStdInBuf->off; + if (cbInBuf == 0) + pStdInBuf->cb = pStdInBuf->off = 0; + else + { + memmove(pStdInBuf->pch, &pStdInBuf->pch[pStdInBuf->off], cbInBuf); + pStdInBuf->cb = cbInBuf; + pStdInBuf->off = 0; + } + + /* Do we need to grow the buffer? */ + if (cb + pStdInBuf->cb > pStdInBuf->cbAllocated) + { + size_t cbAlloc = pStdInBuf->cb + cb; + cbAlloc = RT_ALIGN_Z(cbAlloc, _64K); + void *pvNew = RTMemRealloc(pStdInBuf->pch, cbAlloc); + if (pvNew) + { + pStdInBuf->pch = (char *)pvNew; + pStdInBuf->cbAllocated = cbAlloc; + } + } + + /* Finally, copy the data. */ + if (cb + pStdInBuf->cb <= pStdInBuf->cbAllocated) + { + memcpy(&pStdInBuf->pch[pStdInBuf->cb], pch, cb); + pStdInBuf->cb += cb; + rc = txsReplyAck(pPktHdr); + } + else + rc = txsReplySimple(pPktHdr, "STDINMEM"); + } + + /* + * Flush the buffered data and add/remove the standard input + * handle from the set. + */ + txsDoExecHlpWriteStdIn(pStdInBuf, *phStdInW); + if (fAddToSet && pStdInBuf->off < pStdInBuf->cb) + { + int rc2 = RTPollSetAddPipe(hPollSet, *phStdInW, RTPOLL_EVT_WRITE, TXSEXECHNDID_STDIN_WRITABLE); + AssertRC(rc2); + } + else if (!fAddToSet && pStdInBuf->off >= pStdInBuf->cb) + { + int rc2 = RTPollSetRemove(hPollSet, TXSEXECHNDID_STDIN_WRITABLE); + AssertRC(rc2); + } + } + else + rc = txsReplyFailure(pPktHdr, "STDINCRC", "Invalid CRC checksum expected %#x got %#x", + pStdInBuf->uCrc32, uCrc32); + } + else if (pPktHdr->cb < sizeof(TXSPKTHDR) + sizeof(uint32_t)) + rc = txsReplySimple(pPktHdr, "STDINBAD"); + else + rc = txsReplySimple(pPktHdr, "STDINIGN"); + } + /* + * Marks the end of the stream for stdin. + */ + else if (txsIsSameOpcode(pPktHdr, "STDINEOS")) + { + if (RT_LIKELY(pPktHdr->cb == sizeof(TXSPKTHDR))) + { + /* Close the pipe. */ + txsDoExecHlpHandleStdInErrorEvent(hPollSet, fPollEvt, phStdInW, pStdInBuf); + rc = txsReplyAck(pPktHdr); + } + else + rc = txsReplySimple(pPktHdr, "STDINBAD"); + } + /* + * The only other two requests are connection oriented and we return a error + * code so that we unwind the whole EXEC shebang and start afresh. + */ + else if (txsIsSameOpcode(pPktHdr, "BYE")) + { + rc = txsDoBye(pPktHdr); + if (RT_SUCCESS(rc)) + rc = VERR_NET_NOT_CONNECTED; + } + else if (txsIsSameOpcode(pPktHdr, "HOWDY")) + { + rc = txsDoHowdy(pPktHdr); + if (RT_SUCCESS(rc)) + rc = VERR_NET_NOT_CONNECTED; + } + else if (txsIsSameOpcode(pPktHdr, "ABORT")) + { + rc = txsReplyAck(pPktHdr); + if (RT_SUCCESS(rc)) + rc = VINF_EOF; /* this is but ugly! */ + } + else + rc = txsReplyFailure(pPktHdr, "UNKNOWN ", "Opcode '%.8s' is not known or not recognized during EXEC", pPktHdr->achOpcode); + + RTMemFree(pPktHdr); + return rc; +} + +/** + * Handles the output and input of the process, waits for it finish up. + * + * @returns IPRT status code from reply send. + * @param pTxsExec The TXSEXEC instance. + */ +static int txsDoExecHlp2(PTXSEXEC pTxsExec) +{ + int rc; /* client send. */ + int rc2; + TXSEXECSTDINBUF StdInBuf = { 0, 0, NULL, 0, pTxsExec->hStdInW == NIL_RTPIPE, RTCrc32Start() }; + uint32_t uStdOutCrc32 = RTCrc32Start(); + uint32_t uStdErrCrc32 = uStdOutCrc32; + uint32_t uTestPipeCrc32 = uStdOutCrc32; + uint64_t const MsStart = RTTimeMilliTS(); + bool fProcessTimedOut = false; + uint64_t MsProcessKilled = UINT64_MAX; + RTMSINTERVAL const cMsPollBase = g_pTransport->pfnPollSetAdd || pTxsExec->hStdInW == NIL_RTPIPE + ? RT_MS_5SEC : 100; + RTMSINTERVAL cMsPollCur = 0; + + /* + * Before entering the loop, tell the client that we've started the guest + * and that it's now OK to send input to the process. (This is not the + * final ACK, so the packet header is NULL ... kind of bogus.) + */ + rc = txsReplyAck(NULL); + + /* + * Process input, output, the test pipe and client requests. + */ + while ( RT_SUCCESS(rc) + && RT_UNLIKELY(!g_fTerminate)) + { + /* + * Wait/Process all pending events. + */ + uint32_t idPollHnd; + uint32_t fPollEvt; + Log3(("Calling RTPollNoResume(,%u,)...\n", cMsPollCur)); + rc2 = RTPollNoResume(pTxsExec->hPollSet, cMsPollCur, &fPollEvt, &idPollHnd); + Log3(("RTPollNoResume -> fPollEvt=%#x idPollHnd=%u\n", fPollEvt, idPollHnd)); + if (g_fTerminate) + continue; + cMsPollCur = 0; /* no rest until we've checked everything. */ + + if (RT_SUCCESS(rc2)) + { + switch (idPollHnd) + { + case TXSEXECHNDID_STDOUT: + rc = txsDoExecHlpHandleOutputEvent(pTxsExec->hPollSet, fPollEvt, &pTxsExec->hStdOutR, &uStdOutCrc32, + TXSEXECHNDID_STDOUT, "STDOUT "); + break; + + case TXSEXECHNDID_STDERR: + rc = txsDoExecHlpHandleOutputEvent(pTxsExec->hPollSet, fPollEvt, &pTxsExec->hStdErrR, &uStdErrCrc32, + TXSEXECHNDID_STDERR, "STDERR "); + break; + + case TXSEXECHNDID_TESTPIPE: + rc = txsDoExecHlpHandleOutputEvent(pTxsExec->hPollSet, fPollEvt, &pTxsExec->hTestPipeR, &uTestPipeCrc32, + TXSEXECHNDID_TESTPIPE, "TESTPIPE"); + break; + + case TXSEXECHNDID_STDIN: + txsDoExecHlpHandleStdInErrorEvent(pTxsExec->hPollSet, fPollEvt, &pTxsExec->hStdInW, &StdInBuf); + break; + + case TXSEXECHNDID_STDIN_WRITABLE: + txsDoExecHlpHandleStdInWritableEvent(pTxsExec->hPollSet, fPollEvt, &pTxsExec->hStdInW, &StdInBuf); + break; + + case TXSEXECHNDID_THREAD: + rc2 = RTPollSetRemove(pTxsExec->hPollSet, TXSEXECHNDID_THREAD); AssertRC(rc2); + break; + + default: + rc = txsDoExecHlpHandleTransportEvent(pTxsExec->hPollSet, fPollEvt, idPollHnd, &pTxsExec->hStdInW, + &StdInBuf); + break; + } + if (RT_FAILURE(rc) || rc == VINF_EOF) + break; /* abort command, or client dead or something */ + continue; + } + + /* + * Check for incoming data. + */ + if (g_pTransport->pfnPollIn()) + { + rc = txsDoExecHlpHandleTransportEvent(pTxsExec->hPollSet, 0, UINT32_MAX, &pTxsExec->hStdInW, &StdInBuf); + if (RT_FAILURE(rc) || rc == VINF_EOF) + break; /* abort command, or client dead or something */ + continue; + } + + /* + * If the process has terminated, we're should head out. + */ + if (!ASMAtomicReadBool(&pTxsExec->fProcessAlive)) + break; + + /* + * Check for timed out, killing the process. + */ + uint32_t cMilliesLeft = RT_INDEFINITE_WAIT; + if (pTxsExec->cMsTimeout != RT_INDEFINITE_WAIT) + { + uint64_t u64Now = RTTimeMilliTS(); + uint64_t cMsElapsed = u64Now - MsStart; + if (cMsElapsed >= pTxsExec->cMsTimeout) + { + fProcessTimedOut = true; + if ( MsProcessKilled == UINT64_MAX + || u64Now - MsProcessKilled > RT_MS_1SEC) + { + if ( MsProcessKilled != UINT64_MAX + && u64Now - MsProcessKilled > 20*RT_MS_1MIN) + break; /* give up after 20 mins */ + RTCritSectEnter(&pTxsExec->CritSect); + if (pTxsExec->fProcessAlive) + RTProcTerminate(pTxsExec->hProcess); + RTCritSectLeave(&pTxsExec->CritSect); + MsProcessKilled = u64Now; + continue; + } + cMilliesLeft = RT_MS_10SEC; + } + else + cMilliesLeft = pTxsExec->cMsTimeout - (uint32_t)cMsElapsed; + } + + /* Reset the polling interval since we've done all pending work. */ + cMsPollCur = cMilliesLeft >= cMsPollBase ? cMsPollBase : cMilliesLeft; + } + + /* + * At this point we should hopefully only have to wait 0 ms on the thread + * to release the handle... But if for instance the process refuses to die, + * we'll have to try kill it again. Bothersome. + */ + for (size_t i = 0; i < 22; i++) + { + rc2 = RTThreadWait(pTxsExec->hThreadWaiter, RT_MS_1SEC / 2, NULL); + if (RT_SUCCESS(rc)) + { + pTxsExec->hThreadWaiter = NIL_RTTHREAD; + Assert(!pTxsExec->fProcessAlive); + break; + } + if (i == 0 || i == 10 || i == 15 || i == 18 || i > 20) + { + RTCritSectEnter(&pTxsExec->CritSect); + if (pTxsExec->fProcessAlive) + RTProcTerminate(pTxsExec->hProcess); + RTCritSectLeave(&pTxsExec->CritSect); + } + } + + /* + * If we don't have a client problem (RT_FAILURE(rc) we'll reply to the + * clients exec packet now. + */ + if (RT_SUCCESS(rc)) + rc = txsExecSendExitStatus(pTxsExec, pTxsExec->fProcessAlive, fProcessTimedOut, MsProcessKilled); + + RTMemFree(StdInBuf.pch); + return rc; +} + +/** + * Creates a poll set for the pipes and let the transport layer add stuff to it + * as well. + * + * @returns IPRT status code, reply to client made on error. + * @param pTxsExec The TXSEXEC instance. + */ +static int txsExecSetupPollSet(PTXSEXEC pTxsExec) +{ + int rc = RTPollSetCreate(&pTxsExec->hPollSet); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTPollSetCreate"); + + rc = RTPollSetAddPipe(pTxsExec->hPollSet, pTxsExec->hStdInW, RTPOLL_EVT_ERROR, TXSEXECHNDID_STDIN); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTPollSetAddPipe/stdin"); + + rc = RTPollSetAddPipe(pTxsExec->hPollSet, pTxsExec->hStdOutR, RTPOLL_EVT_READ | RTPOLL_EVT_ERROR, + TXSEXECHNDID_STDOUT); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTPollSetAddPipe/stdout"); + + rc = RTPollSetAddPipe(pTxsExec->hPollSet, pTxsExec->hStdErrR, RTPOLL_EVT_READ | RTPOLL_EVT_ERROR, + TXSEXECHNDID_STDERR); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTPollSetAddPipe/stderr"); + + rc = RTPollSetAddPipe(pTxsExec->hPollSet, pTxsExec->hTestPipeR, RTPOLL_EVT_READ | RTPOLL_EVT_ERROR, + TXSEXECHNDID_TESTPIPE); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTPollSetAddPipe/test"); + + rc = RTPollSetAddPipe(pTxsExec->hPollSet, pTxsExec->hWakeUpPipeR, RTPOLL_EVT_READ | RTPOLL_EVT_ERROR, + TXSEXECHNDID_THREAD); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTPollSetAddPipe/wakeup"); + + if (g_pTransport->pfnPollSetAdd) + { + rc = g_pTransport->pfnPollSetAdd(pTxsExec->hPollSet, TXSEXECHNDID_TRANSPORT); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "%s->pfnPollSetAdd/stdin", g_pTransport->szName); + } + + return VINF_SUCCESS; +} + +/** + * Thread that calls RTProcWait and signals the main thread when it returns. + * + * The thread is created before the process is started and is waiting for a user + * signal from the main thread before it calls RTProcWait. + * + * @returns VINF_SUCCESS (ignored). + * @param hThreadSelf The thread handle. + * @param pvUser The TXEEXEC structure. + */ +static DECLCALLBACK(int) txsExecWaitThreadProc(RTTHREAD hThreadSelf, void *pvUser) +{ + PTXSEXEC pTxsExec = (PTXSEXEC)pvUser; + + /* Wait for the go ahead... */ + int rc = RTThreadUserWait(hThreadSelf, RT_INDEFINITE_WAIT); AssertRC(rc); + + RTCritSectEnter(&pTxsExec->CritSect); + for (;;) + { + RTCritSectLeave(&pTxsExec->CritSect); + rc = RTProcWaitNoResume(pTxsExec->hProcess, RTPROCWAIT_FLAGS_BLOCK, &pTxsExec->ProcessStatus); + RTCritSectEnter(&pTxsExec->CritSect); + + /* If the pipe is NIL, the destructor wants us to get lost ASAP. */ + if (pTxsExec->hWakeUpPipeW == NIL_RTPIPE) + break; + + if (RT_FAILURE(rc)) + { + rc = RTProcWait(pTxsExec->hProcess, RTPROCWAIT_FLAGS_NOBLOCK, &pTxsExec->ProcessStatus); + if (rc == VERR_PROCESS_RUNNING) + continue; + + if (RT_FAILURE(rc)) + { + AssertRC(rc); + pTxsExec->ProcessStatus.iStatus = rc; + pTxsExec->ProcessStatus.enmReason = RTPROCEXITREASON_ABEND; + } + } + + /* The process finished, signal the main thread over the pipe. */ + ASMAtomicWriteBool(&pTxsExec->fProcessAlive, false); + size_t cbIgnored; + RTPipeWrite(pTxsExec->hWakeUpPipeW, "done", 4, &cbIgnored); + RTPipeClose(pTxsExec->hWakeUpPipeW); + pTxsExec->hWakeUpPipeW = NIL_RTPIPE; + break; + } + RTCritSectLeave(&pTxsExec->CritSect); + + return VINF_SUCCESS; +} + +/** + * Sets up the thread that waits for the process to complete. + * + * @returns IPRT status code, reply to client made on error. + * @param pTxsExec The TXSEXEC instance. + */ +static int txsExecSetupThread(PTXSEXEC pTxsExec) +{ + int rc = RTPipeCreate(&pTxsExec->hWakeUpPipeR, &pTxsExec->hWakeUpPipeW, 0 /*fFlags*/); + if (RT_FAILURE(rc)) + { + pTxsExec->hWakeUpPipeR = pTxsExec->hWakeUpPipeW = NIL_RTPIPE; + return txsExecReplyRC(pTxsExec, rc, "RTPipeCreate/wait"); + } + + rc = RTThreadCreate(&pTxsExec->hThreadWaiter, txsExecWaitThreadProc, + pTxsExec, 0 /*cbStack */, RTTHREADTYPE_DEFAULT, + RTTHREADFLAGS_WAITABLE, "TxsProcW"); + if (RT_FAILURE(rc)) + { + pTxsExec->hThreadWaiter = NIL_RTTHREAD; + return txsExecReplyRC(pTxsExec, rc, "RTThreadCreate"); + } + + return VINF_SUCCESS; +} + +/** + * Sets up the test pipe. + * + * @returns IPRT status code, reply to client made on error. + * @param pTxsExec The TXSEXEC instance. + * @param pszTestPipe How to set up the test pipe. + */ +static int txsExecSetupTestPipe(PTXSEXEC pTxsExec, const char *pszTestPipe) +{ + if (strcmp(pszTestPipe, "|")) + return VINF_SUCCESS; + + int rc = RTPipeCreate(&pTxsExec->hTestPipeR, &pTxsExec->hTestPipeW, RTPIPE_C_INHERIT_WRITE); + if (RT_FAILURE(rc)) + { + pTxsExec->hTestPipeR = pTxsExec->hTestPipeW = NIL_RTPIPE; + return txsExecReplyRC(pTxsExec, rc, "RTPipeCreate/test/%s", pszTestPipe); + } + + char szVal[64]; + RTStrPrintf(szVal, sizeof(szVal), "%#llx", (uint64_t)RTPipeToNative(pTxsExec->hTestPipeW)); + rc = RTEnvSetEx(pTxsExec->hEnv, "IPRT_TEST_PIPE", szVal); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTEnvSetEx/test/%s", pszTestPipe); + + return VINF_SUCCESS; +} + +/** + * Sets up the redirection / pipe / nothing for one of the standard handles. + * + * @returns IPRT status code, reply to client made on error. + * @param pTxsExec The TXSEXEC instance. + * @param pszHowTo How to set up this standard handle. + * @param pszStdWhat For what to setup redirection (stdin/stdout/stderr). + * @param fd Which standard handle it is (0 == stdin, 1 == + * stdout, 2 == stderr). + * @param ph The generic handle that @a pph may be set + * pointing to. Always set. + * @param pph Pointer to the RTProcCreateExec argument. + * Always set. + * @param phPipe Where to return the end of the pipe that we + * should service. Always set. + */ +static int txsExecSetupRedir(PTXSEXEC pTxsExec, const char *pszHowTo, const char *pszStdWhat, int fd, PRTHANDLE ph, PRTHANDLE *pph, PRTPIPE phPipe) +{ + ph->enmType = RTHANDLETYPE_PIPE; + ph->u.hPipe = NIL_RTPIPE; + *pph = NULL; + *phPipe = NIL_RTPIPE; + + int rc; + if (!strcmp(pszHowTo, "|")) + { + /* + * Setup a pipe for forwarding to/from the client. + */ + if (fd == 0) + rc = RTPipeCreate(&ph->u.hPipe, phPipe, RTPIPE_C_INHERIT_READ); + else + rc = RTPipeCreate(phPipe, &ph->u.hPipe, RTPIPE_C_INHERIT_WRITE); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTPipeCreate/%s/%s", pszStdWhat, pszHowTo); + ph->enmType = RTHANDLETYPE_PIPE; + *pph = ph; + } + else if (!strcmp(pszHowTo, "/dev/null")) + { + /* + * Redirect to/from /dev/null. + */ + RTFILE hFile; + rc = RTFileOpenBitBucket(&hFile, fd == 0 ? RTFILE_O_READ : RTFILE_O_WRITE); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTFileOpenBitBucket/%s/%s", pszStdWhat, pszHowTo); + + ph->enmType = RTHANDLETYPE_FILE; + ph->u.hFile = hFile; + *pph = ph; + } + else if (*pszHowTo) + { + /* + * Redirect to/from file. + */ + uint32_t fFlags; + if (fd == 0) + fFlags = RTFILE_O_READ | RTFILE_O_DENY_WRITE | RTFILE_O_OPEN; + else + { + if (pszHowTo[0] != '>' || pszHowTo[1] != '>') + fFlags = RTFILE_O_WRITE | RTFILE_O_DENY_WRITE | RTFILE_O_CREATE_REPLACE; + else + { + /* append */ + pszHowTo += 2; + fFlags = RTFILE_O_WRITE | RTFILE_O_DENY_NONE | RTFILE_O_OPEN_CREATE | RTFILE_O_APPEND; + } + } + + RTFILE hFile; + rc = RTFileOpen(&hFile, pszHowTo, fFlags); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTFileOpen/%s/%s", pszStdWhat, pszHowTo); + + ph->enmType = RTHANDLETYPE_FILE; + ph->u.hFile = hFile; + *pph = ph; + } + else + /* same as parent (us) */ + rc = VINF_SUCCESS; + return rc; +} + +/** + * Create the environment. + * + * @returns IPRT status code, reply to client made on error. + * @param pTxsExec The TXSEXEC instance. + * @param cEnvVars The number of environment variables. + * @param papszEnv The environment variables (var=value). + */ +static int txsExecSetupEnv(PTXSEXEC pTxsExec, uint32_t cEnvVars, const char * const *papszEnv) +{ + /* + * Create the environment. + */ + int rc = RTEnvClone(&pTxsExec->hEnv, RTENV_DEFAULT); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTEnvClone"); + + for (size_t i = 0; i < cEnvVars; i++) + { + rc = RTEnvPutEx(pTxsExec->hEnv, papszEnv[i]); + if (RT_FAILURE(rc)) + return txsExecReplyRC(pTxsExec, rc, "RTEnvPutEx(,'%s')", papszEnv[i]); + } + return VINF_SUCCESS; +} + +/** + * Deletes the TXSEXEC structure and frees the memory backing it. + * + * @param pTxsExec The structure to destroy. + */ +static void txsExecDestroy(PTXSEXEC pTxsExec) +{ + int rc2; + + rc2 = RTEnvDestroy(pTxsExec->hEnv); AssertRC(rc2); + pTxsExec->hEnv = NIL_RTENV; + rc2 = RTPipeClose(pTxsExec->hTestPipeW); AssertRC(rc2); + pTxsExec->hTestPipeW = NIL_RTPIPE; + rc2 = RTHandleClose(pTxsExec->StdErr.phChild); AssertRC(rc2); + pTxsExec->StdErr.phChild = NULL; + rc2 = RTHandleClose(pTxsExec->StdOut.phChild); AssertRC(rc2); + pTxsExec->StdOut.phChild = NULL; + rc2 = RTHandleClose(pTxsExec->StdIn.phChild); AssertRC(rc2); + pTxsExec->StdIn.phChild = NULL; + + rc2 = RTPipeClose(pTxsExec->hTestPipeR); AssertRC(rc2); + pTxsExec->hTestPipeR = NIL_RTPIPE; + rc2 = RTPipeClose(pTxsExec->hStdErrR); AssertRC(rc2); + pTxsExec->hStdErrR = NIL_RTPIPE; + rc2 = RTPipeClose(pTxsExec->hStdOutR); AssertRC(rc2); + pTxsExec->hStdOutR = NIL_RTPIPE; + rc2 = RTPipeClose(pTxsExec->hStdInW); AssertRC(rc2); + pTxsExec->hStdInW = NIL_RTPIPE; + + RTPollSetDestroy(pTxsExec->hPollSet); + pTxsExec->hPollSet = NIL_RTPOLLSET; + + /* + * If the process is still running we're in a bit of a fix... Try kill it, + * although that's potentially racing process termination and reusage of + * the pid. + */ + RTCritSectEnter(&pTxsExec->CritSect); + + RTPipeClose(pTxsExec->hWakeUpPipeW); + pTxsExec->hWakeUpPipeW = NIL_RTPIPE; + RTPipeClose(pTxsExec->hWakeUpPipeR); + pTxsExec->hWakeUpPipeR = NIL_RTPIPE; + + if ( pTxsExec->hProcess != NIL_RTPROCESS + && pTxsExec->fProcessAlive) + RTProcTerminate(pTxsExec->hProcess); + + RTCritSectLeave(&pTxsExec->CritSect); + + int rcThread = VINF_SUCCESS; + if (pTxsExec->hThreadWaiter != NIL_RTTHREAD) + rcThread = RTThreadWait(pTxsExec->hThreadWaiter, 5000, NULL); + if (RT_SUCCESS(rcThread)) + { + pTxsExec->hThreadWaiter = NIL_RTTHREAD; + RTCritSectDelete(&pTxsExec->CritSect); + RTMemFree(pTxsExec); + } + /* else: leak it or RTThreadWait may cause heap corruption later. */ +} + +/** + * Initializes the TXSEXEC structure. + * + * @returns VINF_SUCCESS and non-NULL *ppTxsExec on success, reply send status + * and *ppTxsExec set to NULL on failure. + * @param pPktHdr The exec packet. + * @param cMsTimeout The time parameter. + * @param ppTxsExec Where to return the structure. + */ +static int txsExecCreate(PCTXSPKTHDR pPktHdr, RTMSINTERVAL cMsTimeout, PTXSEXEC *ppTxsExec) +{ + *ppTxsExec = NULL; + + /* + * Allocate the basic resources. + */ + PTXSEXEC pTxsExec = (PTXSEXEC)RTMemAlloc(sizeof(*pTxsExec)); + if (!pTxsExec) + return txsReplyRC(pPktHdr, VERR_NO_MEMORY, "RTMemAlloc(%zu)", sizeof(*pTxsExec)); + int rc = RTCritSectInit(&pTxsExec->CritSect); + if (RT_FAILURE(rc)) + { + RTMemFree(pTxsExec); + return txsReplyRC(pPktHdr, rc, "RTCritSectInit"); + } + + /* + * Initialize the member to NIL values. + */ + pTxsExec->pPktHdr = pPktHdr; + pTxsExec->cMsTimeout = cMsTimeout; + pTxsExec->rcReplySend = VINF_SUCCESS; + + pTxsExec->hPollSet = NIL_RTPOLLSET; + pTxsExec->hStdInW = NIL_RTPIPE; + pTxsExec->hStdOutR = NIL_RTPIPE; + pTxsExec->hStdErrR = NIL_RTPIPE; + pTxsExec->hTestPipeR = NIL_RTPIPE; + pTxsExec->hWakeUpPipeR = NIL_RTPIPE; + pTxsExec->hThreadWaiter = NIL_RTTHREAD; + + pTxsExec->StdIn.phChild = NULL; + pTxsExec->StdOut.phChild = NULL; + pTxsExec->StdErr.phChild = NULL; + pTxsExec->hTestPipeW = NIL_RTPIPE; + pTxsExec->hEnv = NIL_RTENV; + + pTxsExec->hProcess = NIL_RTPROCESS; + pTxsExec->ProcessStatus.iStatus = 254; + pTxsExec->ProcessStatus.enmReason = RTPROCEXITREASON_ABEND; + pTxsExec->fProcessAlive = false; + pTxsExec->hWakeUpPipeW = NIL_RTPIPE; + + *ppTxsExec = pTxsExec; + return VINF_SUCCESS; +} + +/** + * txsDoExec helper that takes over when txsDoExec has expanded the packet. + * + * @returns IPRT status code from send. + * @param pPktHdr The exec packet. + * @param fFlags Flags, reserved for future use. + * @param pszExecName The executable name. + * @param cArgs The argument count. + * @param papszArgs The arguments. + * @param cEnvVars The environment variable count. + * @param papszEnv The environment variables. + * @param pszStdIn How to deal with standard in. + * @param pszStdOut How to deal with standard out. + * @param pszStdErr How to deal with standard err. + * @param pszTestPipe How to deal with the test pipe. + * @param pszUsername The user to run the program as. + * @param cMillies The process time limit in milliseconds. + */ +static int txsDoExecHlp(PCTXSPKTHDR pPktHdr, uint32_t fFlags, const char *pszExecName, + uint32_t cArgs, const char * const *papszArgs, + uint32_t cEnvVars, const char * const *papszEnv, + const char *pszStdIn, const char *pszStdOut, const char *pszStdErr, const char *pszTestPipe, + const char *pszUsername, RTMSINTERVAL cMillies) +{ + int rc2; + RT_NOREF_PV(fFlags); + + /* + * Input validation, filter out things we don't yet support.. + */ + Assert(!fFlags); + if (!*pszExecName) + return txsReplyFailure(pPktHdr, "STR ZERO", "Executable name is empty"); + if (!*pszStdIn) + return txsReplyFailure(pPktHdr, "STR ZERO", "The stdin howto is empty"); + if (!*pszStdOut) + return txsReplyFailure(pPktHdr, "STR ZERO", "The stdout howto is empty"); + if (!*pszStdErr) + return txsReplyFailure(pPktHdr, "STR ZERO", "The stderr howto is empty"); + if (!*pszTestPipe) + return txsReplyFailure(pPktHdr, "STR ZERO", "The testpipe howto is empty"); + if (strcmp(pszTestPipe, "|") && strcmp(pszTestPipe, "/dev/null")) + return txsReplyFailure(pPktHdr, "BAD TSTP", "Only \"|\" and \"/dev/null\" are allowed as testpipe howtos ('%s')", + pszTestPipe); + if (*pszUsername) + return txsReplyFailure(pPktHdr, "NOT IMPL", "Executing as a specific user is not implemented ('%s')", pszUsername); + + /* + * Prepare for process launch. + */ + PTXSEXEC pTxsExec; + int rc = txsExecCreate(pPktHdr, cMillies, &pTxsExec); + if (pTxsExec == NULL) + return rc; + rc = txsExecSetupEnv(pTxsExec, cEnvVars, papszEnv); + if (RT_SUCCESS(rc)) + rc = txsExecSetupRedir(pTxsExec, pszStdIn, "StdIn", 0, &pTxsExec->StdIn.hChild, &pTxsExec->StdIn.phChild, &pTxsExec->hStdInW); + if (RT_SUCCESS(rc)) + rc = txsExecSetupRedir(pTxsExec, pszStdOut, "StdOut", 1, &pTxsExec->StdOut.hChild, &pTxsExec->StdOut.phChild, &pTxsExec->hStdOutR); + if (RT_SUCCESS(rc)) + rc = txsExecSetupRedir(pTxsExec, pszStdErr, "StdErr", 2, &pTxsExec->StdErr.hChild, &pTxsExec->StdErr.phChild, &pTxsExec->hStdErrR); + if (RT_SUCCESS(rc)) + rc = txsExecSetupTestPipe(pTxsExec, pszTestPipe); + if (RT_SUCCESS(rc)) + rc = txsExecSetupThread(pTxsExec); + if (RT_SUCCESS(rc)) + rc = txsExecSetupPollSet(pTxsExec); + if (RT_SUCCESS(rc)) + { + char szPathResolved[RTPATH_MAX + 1]; + rc = RTPathReal(pszExecName, szPathResolved, sizeof(szPathResolved)); + if (RT_SUCCESS(rc)) + { + /* + * Create the process. + */ + if (g_fDisplayOutput) + { + RTPrintf("txs: Executing \"%s\" -> \"%s\": ", pszExecName, szPathResolved); + for (uint32_t i = 0; i < cArgs; i++) + RTPrintf(" \"%s\"", papszArgs[i]); + RTPrintf("\n"); + } + + rc = RTProcCreateEx(szPathResolved, papszArgs, pTxsExec->hEnv, 0 /*fFlags*/, + pTxsExec->StdIn.phChild, pTxsExec->StdOut.phChild, pTxsExec->StdErr.phChild, + *pszUsername ? pszUsername : NULL, NULL, NULL, + &pTxsExec->hProcess); + if (RT_SUCCESS(rc)) + { + ASMAtomicWriteBool(&pTxsExec->fProcessAlive, true); + rc2 = RTThreadUserSignal(pTxsExec->hThreadWaiter); AssertRC(rc2); + + /* + * Close the child ends of any pipes and redirected files. + */ + rc2 = RTHandleClose(pTxsExec->StdIn.phChild); AssertRC(rc2); + pTxsExec->StdIn.phChild = NULL; + rc2 = RTHandleClose(pTxsExec->StdOut.phChild); AssertRC(rc2); + pTxsExec->StdOut.phChild = NULL; + rc2 = RTHandleClose(pTxsExec->StdErr.phChild); AssertRC(rc2); + pTxsExec->StdErr.phChild = NULL; + rc2 = RTPipeClose(pTxsExec->hTestPipeW); AssertRC(rc2); + pTxsExec->hTestPipeW = NIL_RTPIPE; + + /* + * Let another worker function funnel output and input to the + * client as well as the process exit code. + */ + rc = txsDoExecHlp2(pTxsExec); + } + } + + if (RT_FAILURE(rc)) + rc = txsReplyFailure(pPktHdr, "FAILED ", "Executing process \"%s\" failed with %Rrc", + pszExecName, rc); + } + else + rc = pTxsExec->rcReplySend; + txsExecDestroy(pTxsExec); + return rc; +} + +/** + * Execute a program. + * + * @returns IPRT status code from send. + * @param pPktHdr The exec packet. + */ +static int txsDoExec(PCTXSPKTHDR pPktHdr) +{ + /* + * This packet has a lot of parameters, most of which are zero terminated + * strings. The strings used in items 7 thru 10 are either file names, + * "/dev/null" or a pipe char (|). + * + * Packet content: + * 1. Flags reserved for future use (32-bit unsigned). + * 2. The executable name (string). + * 3. The argument count given as a 32-bit unsigned integer. + * 4. The arguments strings. + * 5. The number of environment strings (32-bit unsigned). + * 6. The environment strings (var=val) to apply the environment. + * 7. What to do about standard in (string). + * 8. What to do about standard out (string). + * 9. What to do about standard err (string). + * 10. What to do about the test pipe (string). + * 11. The name of the user to run the program as (string). Empty string + * means running it as the current user. + * 12. Process time limit in milliseconds (32-bit unsigned). Max == no limit. + */ + size_t const cbMin = sizeof(TXSPKTHDR) + + sizeof(uint32_t) /* flags */ + 2 + + sizeof(uint32_t) /* argc */ + 2 /* argv */ + + sizeof(uint32_t) + 0 /* environ */ + + 4 * 1 + + sizeof(uint32_t) /* timeout */; + if (pPktHdr->cb < cbMin) + return txsReplyBadMinSize(pPktHdr, cbMin); + + /* unpack the packet */ + char const *pchEnd = (char const *)pPktHdr + pPktHdr->cb; + char const *pch = (char const *)(pPktHdr + 1); /* cursor */ + + /* 1. flags */ + uint32_t const fFlags = *(uint32_t const *)pch; + pch += sizeof(uint32_t); + if (fFlags != 0) + return txsReplyFailure(pPktHdr, "BAD FLAG", "Invalid EXEC flags %#x, expected 0", fFlags); + + /* 2. exec name */ + int rc; + char *pszExecName = NULL; + if (!txsIsStringValid(pPktHdr, "execname", pch, &pszExecName, &pch, &rc)) + return rc; + + /* 3. argc */ + uint32_t const cArgs = (size_t)(pchEnd - pch) > sizeof(uint32_t) ? *(uint32_t const *)pch : 0xff; + pch += sizeof(uint32_t); + if (cArgs * 1 >= (size_t)(pchEnd - pch)) + rc = txsReplyFailure(pPktHdr, "BAD ARGC", "Bad or missing argument count (%#x)", cArgs); + else if (cArgs > 128) + rc = txsReplyFailure(pPktHdr, "BAD ARGC", "Too many arguments (%#x)", cArgs); + else + { + char **papszArgs = (char **)RTMemTmpAllocZ(sizeof(char *) * (cArgs + 1)); + if (papszArgs) + { + /* 4. argv */ + bool fOk = true; + for (size_t i = 0; i < cArgs && fOk; i++) + { + fOk = txsIsStringValid(pPktHdr, "argvN", pch, &papszArgs[i], &pch, &rc); + if (!fOk) + break; + } + if (fOk) + { + /* 5. cEnvVars */ + uint32_t const cEnvVars = (size_t)(pchEnd - pch) > sizeof(uint32_t) ? *(uint32_t const *)pch : 0xfff; + pch += sizeof(uint32_t); + if (cEnvVars * 1 >= (size_t)(pchEnd - pch)) + rc = txsReplyFailure(pPktHdr, "BAD ENVC", "Bad or missing environment variable count (%#x)", cEnvVars); + else if (cEnvVars > 256) + rc = txsReplyFailure(pPktHdr, "BAD ENVC", "Too many environment variables (%#x)", cEnvVars); + else + { + char **papszEnv = (char **)RTMemTmpAllocZ(sizeof(char *) * (cEnvVars + 1)); + if (papszEnv) + { + /* 6. environ */ + for (size_t i = 0; i < cEnvVars && fOk; i++) + { + fOk = txsIsStringValid(pPktHdr, "envN", pch, &papszEnv[i], &pch, &rc); + if (!fOk) /* Bail out on error. */ + break; + } + if (fOk) + { + /* 7. stdout */ + char *pszStdIn; + if (txsIsStringValid(pPktHdr, "stdin", pch, &pszStdIn, &pch, &rc)) + { + /* 8. stdout */ + char *pszStdOut; + if (txsIsStringValid(pPktHdr, "stdout", pch, &pszStdOut, &pch, &rc)) + { + /* 9. stderr */ + char *pszStdErr; + if (txsIsStringValid(pPktHdr, "stderr", pch, &pszStdErr, &pch, &rc)) + { + /* 10. testpipe */ + char *pszTestPipe; + if (txsIsStringValid(pPktHdr, "testpipe", pch, &pszTestPipe, &pch, &rc)) + { + /* 11. username */ + char *pszUsername; + if (txsIsStringValid(pPktHdr, "username", pch, &pszUsername, &pch, &rc)) + { + /** @todo No password value? */ + + /* 12. time limit */ + uint32_t const cMillies = (size_t)(pchEnd - pch) >= sizeof(uint32_t) + ? *(uint32_t const *)pch + : 0; + if ((size_t)(pchEnd - pch) > sizeof(uint32_t)) + rc = txsReplyFailure(pPktHdr, "BAD END ", "Timeout argument not at end of packet (%#x)", (size_t)(pchEnd - pch)); + else if ((size_t)(pchEnd - pch) < sizeof(uint32_t)) + rc = txsReplyFailure(pPktHdr, "BAD NOTO", "No timeout argument"); + else if (cMillies < 1000) + rc = txsReplyFailure(pPktHdr, "BAD TO ", "Timeout is less than a second (%#x)", cMillies); + else + { + pch += sizeof(uint32_t); + + /* + * Time to employ a helper here before we go way beyond + * the right margin... + */ + rc = txsDoExecHlp(pPktHdr, fFlags, pszExecName, + cArgs, papszArgs, + cEnvVars, papszEnv, + pszStdIn, pszStdOut, pszStdErr, pszTestPipe, + pszUsername, + cMillies == UINT32_MAX ? RT_INDEFINITE_WAIT : cMillies); + } + RTStrFree(pszUsername); + } + RTStrFree(pszTestPipe); + } + RTStrFree(pszStdErr); + } + RTStrFree(pszStdOut); + } + RTStrFree(pszStdIn); + } + } + for (size_t i = 0; i < cEnvVars; i++) + RTStrFree(papszEnv[i]); + RTMemTmpFree(papszEnv); + } + else + rc = txsReplyFailure(pPktHdr, "NO MEM ", "Failed to allocate %zu bytes environ", sizeof(char *) * (cEnvVars + 1)); + } + } + for (size_t i = 0; i < cArgs; i++) + RTStrFree(papszArgs[i]); + RTMemTmpFree(papszArgs); + } + else + rc = txsReplyFailure(pPktHdr, "NO MEM ", "Failed to allocate %zu bytes for argv", sizeof(char *) * (cArgs + 1)); + } + RTStrFree(pszExecName); + + return rc; +} + +/** + * The main loop. + * + * @returns exit code. + */ +static RTEXITCODE txsMainLoop(void) +{ + if (g_cVerbose > 0) + RTMsgInfo("txsMainLoop: start...\n"); + RTEXITCODE enmExitCode = RTEXITCODE_SUCCESS; + while (!g_fTerminate) + { + /* + * Read client command packet and process it. + */ + PTXSPKTHDR pPktHdr; + int rc = txsRecvPkt(&pPktHdr, true /*fAutoRetryOnFailure*/); + if (RT_FAILURE(rc)) + continue; + if (g_cVerbose > 0) + RTMsgInfo("txsMainLoop: CMD: %.8s...", pPktHdr->achOpcode); + + /* + * Do a string switch on the opcode bit. + */ + /* Connection: */ + if ( txsIsSameOpcode(pPktHdr, "HOWDY ")) + rc = txsDoHowdy(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "BYE ")) + rc = txsDoBye(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "VER ")) + rc = txsDoVer(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "UUID ")) + rc = txsDoUuid(pPktHdr); + /* Process: */ + else if (txsIsSameOpcode(pPktHdr, "EXEC ")) + rc = txsDoExec(pPktHdr); + /* Admin: */ + else if (txsIsSameOpcode(pPktHdr, "REBOOT ")) + rc = txsDoReboot(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "SHUTDOWN")) + rc = txsDoShutdown(pPktHdr); + /* CD/DVD control: */ + else if (txsIsSameOpcode(pPktHdr, "CD EJECT")) + rc = txsDoCdEject(pPktHdr); + /* File system: */ + else if (txsIsSameOpcode(pPktHdr, "CLEANUP ")) + rc = txsDoCleanup(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "MKDIR ")) + rc = txsDoMkDir(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "MKDRPATH")) + rc = txsDoMkDrPath(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "MKSYMLNK")) + rc = txsDoMkSymlnk(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "RMDIR ")) + rc = txsDoRmDir(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "RMFILE ")) + rc = txsDoRmFile(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "RMSYMLNK")) + rc = txsDoRmSymlnk(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "RMTREE ")) + rc = txsDoRmTree(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "CHMOD ")) + rc = txsDoChMod(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "CHOWN ")) + rc = txsDoChOwn(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "ISDIR ")) + rc = txsDoIsDir(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "ISFILE ")) + rc = txsDoIsFile(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "ISSYMLNK")) + rc = txsDoIsSymlnk(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "STAT ")) + rc = txsDoStat(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "LSTAT ")) + rc = txsDoLStat(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "LIST ")) + rc = txsDoList(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "CPFILE ")) + rc = txsDoCopyFile(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "PUT FILE")) + rc = txsDoPutFile(pPktHdr, false /*fHasMode*/); + else if (txsIsSameOpcode(pPktHdr, "PUT2FILE")) + rc = txsDoPutFile(pPktHdr, true /*fHasMode*/); + else if (txsIsSameOpcode(pPktHdr, "GET FILE")) + rc = txsDoGetFile(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "PKFILE ")) + rc = txsDoPackFile(pPktHdr); + else if (txsIsSameOpcode(pPktHdr, "UNPKFILE")) + rc = txsDoUnpackFile(pPktHdr); + /* Misc: */ + else if (txsIsSameOpcode(pPktHdr, "EXP STR ")) + rc = txsDoExpandString(pPktHdr); + else + rc = txsReplyUnknown(pPktHdr); + + if (g_cVerbose > 0) + RTMsgInfo("txsMainLoop: CMD: %.8s -> %Rrc", pPktHdr->achOpcode, rc); + RTMemFree(pPktHdr); + } + + if (g_cVerbose > 0) + RTMsgInfo("txsMainLoop: end\n"); + return enmExitCode; +} + + +/** + * Finalizes the scratch directory, making sure it exists. + * + * @returns exit code. + */ +static RTEXITCODE txsFinalizeScratch(void) +{ + RTPathStripTrailingSlash(g_szScratchPath); + char *pszFilename = RTPathFilename(g_szScratchPath); + if (!pszFilename) + return RTMsgErrorExit(RTEXITCODE_FAILURE, "cannot use root for scratch (%s)\n", g_szScratchPath); + + int rc; + if (strchr(pszFilename, 'X')) + { + char ch = *pszFilename; + rc = RTDirCreateFullPath(g_szScratchPath, 0700); + *pszFilename = ch; + if (RT_SUCCESS(rc)) + rc = RTDirCreateTemp(g_szScratchPath, 0700); + } + else + { + if (RTDirExists(g_szScratchPath)) + rc = VINF_SUCCESS; + else + rc = RTDirCreateFullPath(g_szScratchPath, 0700); + } + if (RT_FAILURE(rc)) + return RTMsgErrorExit(RTEXITCODE_FAILURE, "failed to create scratch directory: %Rrc (%s)\n", rc, g_szScratchPath); + return RTEXITCODE_SUCCESS; +} + +/** + * Attempts to complete an upgrade by updating the original and relaunching + * ourselves from there again. + * + * On failure, we'll continue running as the temporary copy. + * + * @returns Exit code. Exit if this is non-zero or @a *pfExit is set. + * @param argc The number of arguments. + * @param argv The argument vector. + * @param pfExit For indicating exit when the exit code is zero. + * @param pszUpgrading The upgraded image path. + */ +static RTEXITCODE txsAutoUpdateStage2(int argc, char **argv, bool *pfExit, const char *pszUpgrading) +{ + if (g_cVerbose > 0) + RTMsgInfo("Auto update stage 2..."); + + /* + * Copy the current executable onto the original. + * Note that we're racing the original program on some platforms, thus the + * 60 sec sleep mess. + */ + char szUpgradePath[RTPATH_MAX]; + if (!RTProcGetExecutablePath(szUpgradePath, sizeof(szUpgradePath))) + { + RTMsgError("RTProcGetExecutablePath failed (step 2)\n"); + return RTEXITCODE_SUCCESS; + } + void *pvUpgrade; + size_t cbUpgrade; + int rc = RTFileReadAll(szUpgradePath, &pvUpgrade, &cbUpgrade); + if (RT_FAILURE(rc)) + { + RTMsgError("RTFileReadAllEx(\"%s\"): %Rrc (step 2)\n", szUpgradePath, rc); + return RTEXITCODE_SUCCESS; + } + + uint64_t StartMilliTS = RTTimeMilliTS(); + RTFILE hFile; + rc = RTFileOpen(&hFile, pszUpgrading, + RTFILE_O_WRITE | RTFILE_O_DENY_WRITE | RTFILE_O_OPEN_CREATE | RTFILE_O_TRUNCATE + | (0755 << RTFILE_O_CREATE_MODE_SHIFT)); + while ( RT_FAILURE(rc) + && RTTimeMilliTS() - StartMilliTS < 60000) + { + RTThreadSleep(1000); + rc = RTFileOpen(&hFile, pszUpgrading, + RTFILE_O_WRITE | RTFILE_O_DENY_WRITE | RTFILE_O_OPEN_CREATE | RTFILE_O_TRUNCATE + | (0755 << RTFILE_O_CREATE_MODE_SHIFT)); + } + if (RT_SUCCESS(rc)) + { + rc = RTFileWrite(hFile, pvUpgrade, cbUpgrade, NULL); + RTFileClose(hFile); + if (RT_SUCCESS(rc)) + { + /* + * Relaunch the service with the original name, foricbly barring + * further upgrade cycles in case of bugs (and simplifying the code). + */ + const char **papszArgs = (const char **)RTMemAlloc((argc + 1 + 1) * sizeof(char **)); + if (papszArgs) + { + papszArgs[0] = pszUpgrading; + for (int i = 1; i < argc; i++) + papszArgs[i] = argv[i]; + papszArgs[argc] = "--no-auto-upgrade"; + papszArgs[argc + 1] = NULL; + + RTMsgInfo("Launching upgraded image: \"%s\"\n", pszUpgrading); + RTPROCESS hProc; + rc = RTProcCreate(pszUpgrading, papszArgs, RTENV_DEFAULT, 0 /*fFlags*/, &hProc); + if (RT_SUCCESS(rc)) + *pfExit = true; + else + RTMsgError("RTProcCreate(\"%s\"): %Rrc (upgrade stage 2)\n", pszUpgrading, rc); + RTMemFree(papszArgs); + } + else + RTMsgError("RTMemAlloc failed during upgrade attempt (stage 2)\n"); + } + else + RTMsgError("RTFileWrite(%s,,%zu): %Rrc (step 2) - BAD\n", pszUpgrading, cbUpgrade, rc); + } + else + RTMsgError("RTFileOpen(,%s,): %Rrc\n", pszUpgrading, rc); + RTFileReadAllFree(pvUpgrade, cbUpgrade); + return RTEXITCODE_SUCCESS; +} + +/** + * Checks for an upgrade and respawns if there is. + * + * @returns Exit code. Exit if this is non-zero or @a *pfExit is set. + * @param argc The number of arguments. + * @param argv The argument vector. + * @param cSecsCdWait Number of seconds to wait on the CD. + * @param pfExit For indicating exit when the exit code is zero. + */ +static RTEXITCODE txsAutoUpdateStage1(int argc, char **argv, uint32_t cSecsCdWait, bool *pfExit) +{ + if (g_cVerbose > 1) + RTMsgInfo("Auto update stage 1..."); + + /* + * Figure names of the current service image and the potential upgrade. + */ + char szOrgPath[RTPATH_MAX]; + if (!RTProcGetExecutablePath(szOrgPath, sizeof(szOrgPath))) + { + RTMsgError("RTProcGetExecutablePath failed\n"); + return RTEXITCODE_SUCCESS; + } + + char szUpgradePath[RTPATH_MAX]; + int rc = RTPathJoin(szUpgradePath, sizeof(szUpgradePath), g_szCdRomPath, g_szOsSlashArchShortName); + if (RT_SUCCESS(rc)) + rc = RTPathAppend(szUpgradePath, sizeof(szUpgradePath), RTPathFilename(szOrgPath)); + if (RT_FAILURE(rc)) + { + RTMsgError("Failed to construct path to potential service upgrade: %Rrc\n", rc); + return RTEXITCODE_SUCCESS; + } + + /* + * Query information about the two images and read the entire potential source file. + * Because the CD may take a little time to be mounted when the system boots, we + * need to do some fudging here. + */ + uint64_t nsStart = RTTimeNanoTS(); + RTFSOBJINFO UpgradeInfo; + for (;;) + { + rc = RTPathQueryInfo(szUpgradePath, &UpgradeInfo, RTFSOBJATTRADD_NOTHING); + if (RT_SUCCESS(rc)) + break; + if ( rc != VERR_FILE_NOT_FOUND + && rc != VERR_PATH_NOT_FOUND + && rc != VERR_MEDIA_NOT_PRESENT + && rc != VERR_MEDIA_NOT_RECOGNIZED) + { + RTMsgError("RTPathQueryInfo(\"%s\"): %Rrc (upgrade)\n", szUpgradePath, rc); + return RTEXITCODE_SUCCESS; + } + uint64_t cNsElapsed = RTTimeNanoTS() - nsStart; + if (cNsElapsed >= cSecsCdWait * RT_NS_1SEC_64) + { + if (g_cVerbose > 0) + RTMsgInfo("Auto update: Giving up waiting for media."); + return RTEXITCODE_SUCCESS; + } + RTThreadSleep(500); + } + + RTFSOBJINFO OrgInfo; + rc = RTPathQueryInfo(szOrgPath, &OrgInfo, RTFSOBJATTRADD_NOTHING); + if (RT_FAILURE(rc)) + { + RTMsgError("RTPathQueryInfo(\"%s\"): %Rrc (old)\n", szOrgPath, rc); + return RTEXITCODE_SUCCESS; + } + + void *pvUpgrade; + size_t cbUpgrade; + rc = RTFileReadAllEx(szUpgradePath, 0, UpgradeInfo.cbObject, RTFILE_RDALL_O_DENY_NONE, &pvUpgrade, &cbUpgrade); + if (RT_FAILURE(rc)) + { + RTMsgError("RTPathQueryInfo(\"%s\"): %Rrc (old)\n", szOrgPath, rc); + return RTEXITCODE_SUCCESS; + } + + /* + * Compare and see if we've got a different service image or not. + */ + if (OrgInfo.cbObject == UpgradeInfo.cbObject) + { + /* must compare bytes. */ + void *pvOrg; + size_t cbOrg; + rc = RTFileReadAllEx(szOrgPath, 0, OrgInfo.cbObject, RTFILE_RDALL_O_DENY_NONE, &pvOrg, &cbOrg); + if (RT_FAILURE(rc)) + { + RTMsgError("RTFileReadAllEx(\"%s\"): %Rrc\n", szOrgPath, rc); + RTFileReadAllFree(pvUpgrade, cbUpgrade); + return RTEXITCODE_SUCCESS; + } + bool fSame = !memcmp(pvUpgrade, pvOrg, OrgInfo.cbObject); + RTFileReadAllFree(pvOrg, cbOrg); + if (fSame) + { + RTFileReadAllFree(pvUpgrade, cbUpgrade); + if (g_cVerbose > 0) + RTMsgInfo("Auto update: Not necessary."); + return RTEXITCODE_SUCCESS; + } + } + + /* + * Should upgrade. Start by creating an executable copy of the update + * image in the scratch area. + */ + RTEXITCODE rcExit = txsFinalizeScratch(); + if (rcExit == RTEXITCODE_SUCCESS) + { + char szTmpPath[RTPATH_MAX]; + rc = RTPathJoin(szTmpPath, sizeof(szTmpPath), g_szScratchPath, RTPathFilename(szOrgPath)); + if (RT_SUCCESS(rc)) + { + RTFileDelete(szTmpPath); /* shouldn't hurt. */ + + RTFILE hFile; + rc = RTFileOpen(&hFile, szTmpPath, + RTFILE_O_WRITE | RTFILE_O_DENY_WRITE | RTFILE_O_CREATE_REPLACE + | (0755 << RTFILE_O_CREATE_MODE_SHIFT)); + if (RT_SUCCESS(rc)) + { + rc = RTFileWrite(hFile, pvUpgrade, UpgradeInfo.cbObject, NULL); + RTFileClose(hFile); + if (RT_SUCCESS(rc)) + { + /* + * Try execute the new image and quit if it works. + */ + const char **papszArgs = (const char **)RTMemAlloc((argc + 2 + 1) * sizeof(char **)); + if (papszArgs) + { + papszArgs[0] = szTmpPath; + for (int i = 1; i < argc; i++) + papszArgs[i] = argv[i]; + papszArgs[argc] = "--upgrading"; + papszArgs[argc + 1] = szOrgPath; + papszArgs[argc + 2] = NULL; + + RTMsgInfo("Launching intermediate automatic upgrade stage: \"%s\"\n", szTmpPath); + RTPROCESS hProc; + rc = RTProcCreate(szTmpPath, papszArgs, RTENV_DEFAULT, 0 /*fFlags*/, &hProc); + if (RT_SUCCESS(rc)) + *pfExit = true; + else + RTMsgError("RTProcCreate(\"%s\"): %Rrc (upgrade stage 1)\n", szTmpPath, rc); + RTMemFree(papszArgs); + } + else + RTMsgError("RTMemAlloc failed during upgrade attempt (stage)\n"); + } + else + RTMsgError("RTFileWrite(%s,,%zu): %Rrc\n", szTmpPath, UpgradeInfo.cbObject, rc); + } + else + RTMsgError("RTFileOpen(,%s,): %Rrc\n", szTmpPath, rc); + } + else + RTMsgError("Failed to construct path to temporary upgrade image: %Rrc\n", rc); + } + + RTFileReadAllFree(pvUpgrade, cbUpgrade); + return rcExit; +} + +/** + * Determines the default configuration. + */ +static void txsSetDefaults(void) +{ + /* + * OS and ARCH. + */ + AssertCompile(sizeof(KBUILD_TARGET) <= sizeof(g_szOsShortName)); + strcpy(g_szOsShortName, KBUILD_TARGET); + + AssertCompile(sizeof(KBUILD_TARGET_ARCH) <= sizeof(g_szArchShortName)); + strcpy(g_szArchShortName, KBUILD_TARGET_ARCH); + + AssertCompile(sizeof(KBUILD_TARGET) + sizeof(KBUILD_TARGET_ARCH) <= sizeof(g_szOsDotArchShortName)); + strcpy(g_szOsDotArchShortName, KBUILD_TARGET); + g_szOsDotArchShortName[sizeof(KBUILD_TARGET) - 1] = '.'; + strcpy(&g_szOsDotArchShortName[sizeof(KBUILD_TARGET)], KBUILD_TARGET_ARCH); + + AssertCompile(sizeof(KBUILD_TARGET) + sizeof(KBUILD_TARGET_ARCH) <= sizeof(g_szOsSlashArchShortName)); + strcpy(g_szOsSlashArchShortName, KBUILD_TARGET); + g_szOsSlashArchShortName[sizeof(KBUILD_TARGET) - 1] = '/'; + strcpy(&g_szOsSlashArchShortName[sizeof(KBUILD_TARGET)], KBUILD_TARGET_ARCH); + +#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2) + strcpy(g_szExeSuff, ".exe"); + strcpy(g_szScriptSuff, ".cmd"); +#else + strcpy(g_szExeSuff, ""); + strcpy(g_szScriptSuff, ".sh"); +#endif + + int rc = RTPathGetCurrent(g_szCwd, sizeof(g_szCwd)); + if (RT_FAILURE(rc)) + RTMsgError("RTPathGetCurrent failed: %Rrc\n", rc); + g_szCwd[sizeof(g_szCwd) - 1] = '\0'; + + if (!RTProcGetExecutablePath(g_szTxsDir, sizeof(g_szTxsDir))) + RTMsgError("RTProcGetExecutablePath failed!\n"); + g_szTxsDir[sizeof(g_szTxsDir) - 1] = '\0'; + RTPathStripFilename(g_szTxsDir); + RTPathStripTrailingSlash(g_szTxsDir); + + /* + * The CD/DVD-ROM location. + */ + /** @todo do a better job here :-) */ +#ifdef RT_OS_WINDOWS + strcpy(g_szDefCdRomPath, "D:/"); +#elif defined(RT_OS_OS2) + strcpy(g_szDefCdRomPath, "D:/"); +#else + if (RTDirExists("/media")) + strcpy(g_szDefCdRomPath, "/media/cdrom"); + else + strcpy(g_szDefCdRomPath, "/mnt/cdrom"); +#endif + strcpy(g_szCdRomPath, g_szDefCdRomPath); + + /* + * Temporary directory. + */ + rc = RTPathTemp(g_szDefScratchPath, sizeof(g_szDefScratchPath)); + if (RT_SUCCESS(rc)) +#if defined(RT_OS_OS2) || defined(RT_OS_WINDOWS) || defined(RT_OS_DOS) + rc = RTPathAppend(g_szDefScratchPath, sizeof(g_szDefScratchPath), "txs-XXXX.tmp"); +#else + rc = RTPathAppend(g_szDefScratchPath, sizeof(g_szDefScratchPath), "txs-XXXXXXXXX.tmp"); +#endif + if (RT_FAILURE(rc)) + { + RTMsgError("RTPathTemp/Append failed when constructing scratch path: %Rrc\n", rc); + strcpy(g_szDefScratchPath, "/tmp/txs-XXXX.tmp"); + } + strcpy(g_szScratchPath, g_szDefScratchPath); + + /* + * The default transporter is the first one. + */ + g_pTransport = g_apTransports[0]; +} + +/** + * Prints the usage. + * + * @param pStrm Where to print it. + * @param pszArgv0 The program name (argv[0]). + */ +static void txsUsage(PRTSTREAM pStrm, const char *pszArgv0) +{ + RTStrmPrintf(pStrm, + "Usage: %Rbn [options]\n" + "\n" + "Options:\n" + " --cdrom <path>\n" + " Where the CD/DVD-ROM will be mounted.\n" + " Default: %s\n" + " --scratch <path>\n" + " Where to put scratch files.\n" + " Default: %s \n" + , + pszArgv0, + g_szDefCdRomPath, + g_szDefScratchPath); + RTStrmPrintf(pStrm, + " --transport <name>\n" + " Use the specified transport layer, one of the following:\n"); + for (size_t i = 0; i < RT_ELEMENTS(g_apTransports); i++) + RTStrmPrintf(pStrm, " %s - %s\n", g_apTransports[i]->szName, g_apTransports[i]->pszDesc); + RTStrmPrintf(pStrm, " Default: %s\n", g_pTransport->szName); + RTStrmPrintf(pStrm, + " --auto-upgrade, --no-auto-upgrade\n" + " To enable or disable the automatic upgrade mechanism where any different\n" + " version found on the CD-ROM on startup will replace the initial copy.\n" + " Default: --auto-upgrade\n" + " --wait-cdrom <secs>\n" + " Number of seconds to wait for the CD-ROM to be mounted before giving up\n" + " on automatic upgrading.\n" + " Default: --wait-cdrom 1; solaris: --wait-cdrom 8\n" + " --upgrading <org-path>\n" + " Internal use only.\n"); + RTStrmPrintf(pStrm, + " --display-output, --no-display-output\n" + " Display the output and the result of all child processes.\n"); + RTStrmPrintf(pStrm, + " --foreground\n" + " Don't daemonize, run in the foreground.\n"); + RTStrmPrintf(pStrm, + " --verbose, -v\n" + " Increases the verbosity level. Can be specified multiple times.\n"); + RTStrmPrintf(pStrm, + " --quiet, -q\n" + " Mutes any logging output.\n"); + RTStrmPrintf(pStrm, + " --help, -h, -?\n" + " Display this message and exit.\n" + " --version, -V\n" + " Display the version and exit.\n"); + + for (size_t i = 0; i < RT_ELEMENTS(g_apTransports); i++) + if (g_apTransports[i]->cOpts) + { + RTStrmPrintf(pStrm, + "\n" + "Options for %s:\n", g_apTransports[i]->szName); + g_apTransports[i]->pfnUsage(g_pStdOut); + } +} + +/** + * Parses the arguments. + * + * @returns Exit code. Exit if this is non-zero or @a *pfExit is set. + * @param argc The number of arguments. + * @param argv The argument vector. + * @param pfExit For indicating exit when the exit code is zero. + */ +static RTEXITCODE txsParseArgv(int argc, char **argv, bool *pfExit) +{ + *pfExit = false; + + /* + * Storage for locally handled options. + */ + bool fAutoUpgrade = true; + bool fDaemonize = true; + bool fDaemonized = false; + const char *pszUpgrading = NULL; +#ifdef RT_OS_SOLARIS + uint32_t cSecsCdWait = 8; +#else + uint32_t cSecsCdWait = 1; +#endif + + /* + * Combine the base and transport layer option arrays. + */ + static const RTGETOPTDEF s_aBaseOptions[] = + { + { "--transport", 't', RTGETOPT_REQ_STRING }, + { "--cdrom", 'c', RTGETOPT_REQ_STRING }, + { "--wait-cdrom", 'w', RTGETOPT_REQ_UINT32 }, + { "--scratch", 's', RTGETOPT_REQ_STRING }, + { "--auto-upgrade", 'a', RTGETOPT_REQ_NOTHING }, + { "--no-auto-upgrade", 'A', RTGETOPT_REQ_NOTHING }, + { "--upgrading", 'U', RTGETOPT_REQ_STRING }, + { "--display-output", 'd', RTGETOPT_REQ_NOTHING }, + { "--no-display-output",'D', RTGETOPT_REQ_NOTHING }, + { "--foreground", 'f', RTGETOPT_REQ_NOTHING }, + { "--daemonized", 'Z', RTGETOPT_REQ_NOTHING }, + { "--quiet", 'q', RTGETOPT_REQ_NOTHING }, + { "--verbose", 'v', RTGETOPT_REQ_NOTHING }, + }; + + size_t cOptions = RT_ELEMENTS(s_aBaseOptions); + for (size_t i = 0; i < RT_ELEMENTS(g_apTransports); i++) + cOptions += g_apTransports[i]->cOpts; + + PRTGETOPTDEF paOptions = (PRTGETOPTDEF)alloca(cOptions * sizeof(RTGETOPTDEF)); + if (!paOptions) + return RTMsgErrorExit(RTEXITCODE_FAILURE, "alloca failed\n"); + + memcpy(paOptions, s_aBaseOptions, sizeof(s_aBaseOptions)); + cOptions = RT_ELEMENTS(s_aBaseOptions); + for (size_t i = 0; i < RT_ELEMENTS(g_apTransports); i++) + { + memcpy(&paOptions[cOptions], g_apTransports[i]->paOpts, g_apTransports[i]->cOpts * sizeof(RTGETOPTDEF)); + cOptions += g_apTransports[i]->cOpts; + } + + /* + * Parse the arguments. + */ + RTGETOPTSTATE GetState; + int rc = RTGetOptInit(&GetState, argc, argv, paOptions, cOptions, 1, 0 /* fFlags */); + AssertRC(rc); + + int ch; + RTGETOPTUNION Val; + while ((ch = RTGetOpt(&GetState, &Val))) + { + switch (ch) + { + case 'a': + fAutoUpgrade = true; + break; + + case 'A': + fAutoUpgrade = false; + break; + + case 'c': + rc = RTStrCopy(g_szCdRomPath, sizeof(g_szCdRomPath), Val.psz); + if (RT_FAILURE(rc)) + return RTMsgErrorExit(RTEXITCODE_FAILURE, "CD/DVD-ROM is path too long (%Rrc)\n", rc); + break; + + case 'd': + g_fDisplayOutput = true; + break; + + case 'D': + g_fDisplayOutput = false; + break; + + case 'f': + fDaemonize = false; + break; + + case 'h': + txsUsage(g_pStdOut, argv[0]); + *pfExit = true; + return RTEXITCODE_SUCCESS; + + case 's': + rc = RTStrCopy(g_szScratchPath, sizeof(g_szScratchPath), Val.psz); + if (RT_FAILURE(rc)) + return RTMsgErrorExit(RTEXITCODE_FAILURE, "scratch path is too long (%Rrc)\n", rc); + break; + + case 't': + { + PCTXSTRANSPORT pTransport = NULL; + for (size_t i = 0; i < RT_ELEMENTS(g_apTransports); i++) + if (!strcmp(g_apTransports[i]->szName, Val.psz)) + { + pTransport = g_apTransports[i]; + break; + } + if (!pTransport) + return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Unknown transport layer name '%s'\n", Val.psz); + g_pTransport = pTransport; + break; + } + + case 'U': + pszUpgrading = Val.psz; + break; + + case 'w': + cSecsCdWait = Val.u32; + break; + + case 'q': + g_cVerbose = 0; + break; + + case 'v': + g_cVerbose++; + break; + + case 'V': + RTPrintf("$Revision: 155244 $\n"); + *pfExit = true; + return RTEXITCODE_SUCCESS; + + case 'Z': + fDaemonized = true; + fDaemonize = false; + break; + + default: + { + rc = VERR_TRY_AGAIN; + for (size_t i = 0; i < RT_ELEMENTS(g_apTransports); i++) + if (g_apTransports[i]->cOpts) + { + rc = g_apTransports[i]->pfnOption(ch, &Val); + if (RT_SUCCESS(rc)) + break; + if (rc != VERR_TRY_AGAIN) + { + *pfExit = true; + return RTEXITCODE_SYNTAX; + } + } + if (rc == VERR_TRY_AGAIN) + { + *pfExit = true; + return RTGetOptPrintError(ch, &Val); + } + break; + } + } + } + + /* + * Handle automatic upgrading of the service. + */ + if (fAutoUpgrade && !*pfExit) + { + RTEXITCODE rcExit; + if (pszUpgrading) + rcExit = txsAutoUpdateStage2(argc, argv, pfExit, pszUpgrading); + else + rcExit = txsAutoUpdateStage1(argc, argv, cSecsCdWait, pfExit); + if ( *pfExit + || rcExit != RTEXITCODE_SUCCESS) + return rcExit; + } + + /* + * Daemonize ourselves if asked to. + */ + if (fDaemonize && !*pfExit) + { + if (g_cVerbose > 0) + RTMsgInfo("Daemonizing..."); + rc = RTProcDaemonize(argv, "--daemonized"); + if (RT_FAILURE(rc)) + return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTProcDaemonize: %Rrc\n", rc); + *pfExit = true; + } + + return RTEXITCODE_SUCCESS; +} + +/** + * @callback_method_impl{FNRTLOGPHASE, Release logger callback} + */ +static DECLCALLBACK(void) logHeaderFooter(PRTLOGGER pLoggerRelease, RTLOGPHASE enmPhase, PFNRTLOGPHASEMSG pfnLog) +{ + /* Some introductory information. */ + static RTTIMESPEC s_TimeSpec; + char szTmp[256]; + if (enmPhase == RTLOGPHASE_BEGIN) + RTTimeNow(&s_TimeSpec); + RTTimeSpecToString(&s_TimeSpec, szTmp, sizeof(szTmp)); + + switch (enmPhase) + { + case RTLOGPHASE_BEGIN: + { + pfnLog(pLoggerRelease, + "TestExecService (Validation Kit TxS) %s r%s (verbosity: %u) %s %s (%s %s) release log\n" + "Copyright (C) " VBOX_C_YEAR " " VBOX_VENDOR "\n\n" + "Log opened %s\n", + RTBldCfgVersion(), RTBldCfgRevisionStr(), g_cVerbose, + KBUILD_TARGET, KBUILD_TARGET_ARCH, + __DATE__, __TIME__, szTmp); + + int vrc = RTSystemQueryOSInfo(RTSYSOSINFO_PRODUCT, szTmp, sizeof(szTmp)); + if (RT_SUCCESS(vrc) || vrc == VERR_BUFFER_OVERFLOW) + pfnLog(pLoggerRelease, "OS Product: %s\n", szTmp); + vrc = RTSystemQueryOSInfo(RTSYSOSINFO_RELEASE, szTmp, sizeof(szTmp)); + if (RT_SUCCESS(vrc) || vrc == VERR_BUFFER_OVERFLOW) + pfnLog(pLoggerRelease, "OS Release: %s\n", szTmp); + vrc = RTSystemQueryOSInfo(RTSYSOSINFO_VERSION, szTmp, sizeof(szTmp)); + if (RT_SUCCESS(vrc) || vrc == VERR_BUFFER_OVERFLOW) + pfnLog(pLoggerRelease, "OS Version: %s\n", szTmp); + vrc = RTSystemQueryOSInfo(RTSYSOSINFO_SERVICE_PACK, szTmp, sizeof(szTmp)); + if (RT_SUCCESS(vrc) || vrc == VERR_BUFFER_OVERFLOW) + pfnLog(pLoggerRelease, "OS Service Pack: %s\n", szTmp); + + /* the package type is interesting for Linux distributions */ + char szExecName[RTPATH_MAX]; + char *pszExecName = RTProcGetExecutablePath(szExecName, sizeof(szExecName)); + pfnLog(pLoggerRelease, + "Executable: %s\n" + "Process ID: %u\n" + "Package type: %s" +#ifdef VBOX_OSE + " (OSE)" +#endif + "\n", + pszExecName ? pszExecName : "unknown", + RTProcSelf(), + VBOX_PACKAGE_STRING); + break; + } + + case RTLOGPHASE_PREROTATE: + pfnLog(pLoggerRelease, "Log rotated - Log started %s\n", szTmp); + break; + + case RTLOGPHASE_POSTROTATE: + pfnLog(pLoggerRelease, "Log continuation - Log started %s\n", szTmp); + break; + + case RTLOGPHASE_END: + pfnLog(pLoggerRelease, "End of log file - Log started %s\n", szTmp); + break; + + default: + /* nothing */ + break; + } +} + +int main(int argc, char **argv) +{ + /* + * Initialize the runtime. + */ + int rc = RTR3InitExe(argc, &argv, 0); + if (RT_FAILURE(rc)) + return RTMsgInitFailure(rc); + + /* + * Determine defaults and parse the arguments. + */ + txsSetDefaults(); + bool fExit; + RTEXITCODE rcExit = txsParseArgv(argc, argv, &fExit); + if (rcExit != RTEXITCODE_SUCCESS || fExit) + return rcExit; + + /* + * Enable (release) TxS logging to stdout + file. This is independent from the actual test cases being run. + * + * Keep the log file path + naming predictable (the OS' temp dir) so that we later can retrieve it + * from the host side without guessing much. + * + * If enabling logging fails for some reason, just tell but don't bail out to not make tests fail. + */ + char szLogFile[RTPATH_MAX]; + rc = RTPathTemp(szLogFile, sizeof(szLogFile)); + if (RT_SUCCESS(rc)) + { + rc = RTPathAppend(szLogFile, sizeof(szLogFile), "vbox-txs-release.log"); + if (RT_FAILURE(rc)) + RTMsgError("RTPathAppend failed when constructing log file path: %Rrc\n", rc); + } + else + RTMsgError("RTPathTemp failed when constructing log file path: %Rrc\n", rc); + + if (RT_SUCCESS(rc)) + { + RTUINT fFlags = RTLOGFLAGS_PREFIX_THREAD | RTLOGFLAGS_PREFIX_TIME_PROG; +#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2) + fFlags |= RTLOGFLAGS_USECRLF; +#endif + static const char * const s_apszLogGroups[] = VBOX_LOGGROUP_NAMES; + rc = RTLogCreateEx(&g_pRelLogger, "VBOX_TXS_RELEASE_LOG", fFlags, "all", + RT_ELEMENTS(s_apszLogGroups), s_apszLogGroups, UINT32_MAX /* cMaxEntriesPerGroup */, + 0 /*cBufDescs*/, NULL /* paBufDescs */, RTLOGDEST_STDOUT | RTLOGDEST_FILE, + logHeaderFooter /* pfnPhase */ , + 10 /* cHistory */, 100 * _1M /* cbHistoryFileMax */, RT_SEC_1DAY /* cSecsHistoryTimeSlot */, + NULL /*pOutputIf*/, NULL /*pvOutputIfUser*/, + NULL /* pErrInfo */, "%s", szLogFile); + if (RT_SUCCESS(rc)) + { + RTLogRelSetDefaultInstance(g_pRelLogger); + if (g_cVerbose) + { + RTMsgInfo("Setting verbosity logging to level %u\n", g_cVerbose); + switch (g_cVerbose) /* Not very elegant, but has to do it for now. */ + { + case 1: + rc = RTLogGroupSettings(g_pRelLogger, "all.e.l.l2"); + break; + + case 2: + rc = RTLogGroupSettings(g_pRelLogger, "all.e.l.l2.l3"); + break; + + case 3: + rc = RTLogGroupSettings(g_pRelLogger, "all.e.l.l2.l3.l4"); + break; + + case 4: + RT_FALL_THROUGH(); + default: + rc = RTLogGroupSettings(g_pRelLogger, "all.e.l.l2.l3.l4.f"); + break; + } + if (RT_FAILURE(rc)) + RTMsgError("Setting logging groups failed, rc=%Rrc\n", rc); + } + } + else + RTMsgError("Failed to create release logger: %Rrc", rc); + + if (RT_SUCCESS(rc)) + RTMsgInfo("Log file written to '%s'\n", szLogFile); + } + + /* + * Generate a UUID for this TXS instance. + */ + rc = RTUuidCreate(&g_InstanceUuid); + if (RT_FAILURE(rc)) + return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTUuidCreate failed: %Rrc", rc); + if (g_cVerbose > 0) + RTMsgInfo("Instance UUID: %RTuuid", &g_InstanceUuid); + + /* + * Finalize the scratch directory and initialize the transport layer. + */ + rcExit = txsFinalizeScratch(); + if (rcExit != RTEXITCODE_SUCCESS) + return rcExit; + + rc = g_pTransport->pfnInit(); + if (RT_FAILURE(rc)) + return RTEXITCODE_FAILURE; + + /* + * Ok, start working + */ + rcExit = txsMainLoop(); + + /* + * Cleanup. + */ + g_pTransport->pfnTerm(); + + return rcExit; +} |