From: Oliver Kurth Date: Fri, 9 Nov 2018 22:59:39 +0000 (-0800) Subject: Adding the libappmonitor source to the open-vm-tools distribution. X-Git-Tag: stable-11.0.0~306 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e5f3527f43a847401a3715792eb73f56a759e895;p=thirdparty%2Fopen-vm-tools.git Adding the libappmonitor source to the open-vm-tools distribution. In response to customer requests that the libappmonitor library from the VMwares Guest SDK be opensourced, the libappmonitor code has been bundled in open-vm-tools. --- diff --git a/open-vm-tools/Makefile.am b/open-vm-tools/Makefile.am index 893b224de..5922981b8 100644 --- a/open-vm-tools/Makefile.am +++ b/open-vm-tools/Makefile.am @@ -1,5 +1,5 @@ ################################################################################ -### Copyright (C) 2007-2016 VMware, Inc. All rights reserved. +### Copyright (C) 2007-2016,2018 VMware, Inc. All rights reserved. ### ### Top-level Makefile for building the VMware OSS Tools. ### @@ -64,7 +64,9 @@ if WITH_KERNEL_MODULES SUBDIRS += modules endif SUBDIRS += docs - +if ENABLE_LIBAPPMONITOR + SUBDIRS += libappmonitor +endif if HAVE_UDEV SUBDIRS += udev diff --git a/open-vm-tools/configure.ac b/open-vm-tools/configure.ac index 6b13e578a..eb250eaa5 100644 --- a/open-vm-tools/configure.ac +++ b/open-vm-tools/configure.ac @@ -406,6 +406,14 @@ if test "$enable_deploypkg" = "yes"; then [AC_MSG_ERROR([mspack >= 0.0.20040308alpha is required.])]) fi +AC_ARG_ENABLE([libappmonitor], + [AS_HELP_STRING([--enable-libappmonitor], + [Build the libappmonitor library.])], + [], + [ + enable_libappmonitor=no + ]) + AC_ARG_ENABLE([grabbitmqproxy], [AS_HELP_STRING([--disable-grabbitmqproxy], [do not build grabbitmqproxy plugin.])], @@ -1431,6 +1439,7 @@ AM_CONDITIONAL(HAVE_MKDTEMP, test "$have_mkdtemp" = "yes") AM_CONDITIONAL(HAVE_UDEV, test "$have_udev" = "yes") AM_CONDITIONAL(ENABLE_RESOLUTIONKMS, test "x$enable_resolutionkms" = "xyes") AM_CONDITIONAL(VGAUTH_USE_CXX, test "$with_icu" = "yes" -o "$use_xmlsec1" != "yes") +AM_CONDITIONAL(ENABLE_LIBAPPMONITOR, test "$enable_libappmonitor" = "yes") if test "$have_xsm" != "yes"; then AC_DEFINE([NO_XSM], 1, []) @@ -1636,6 +1645,8 @@ AC_CONFIG_FILES([ \ scripts/Makefile \ scripts/build/rpcgen_wrapper.sh \ udev/Makefile \ + libappmonitor/Makefile \ + libappmonitor/appmonitor.pc \ ]) ### diff --git a/open-vm-tools/lib/include/vmGuestAppMonitorLib.h b/open-vm-tools/lib/include/vmGuestAppMonitorLib.h new file mode 100644 index 000000000..26f813b58 --- /dev/null +++ b/open-vm-tools/lib/include/vmGuestAppMonitorLib.h @@ -0,0 +1,187 @@ +/********************************************************* + * Copyright (C) 2009-2016 VMware, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation version 2.1 and no later version. + * + * 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 Lesser GNU General Public + * License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + *********************************************************/ + +/** + * @file vmGuestAppMonitorLib.h + * + * This is the VMware Guest Application Monitor Lib, + * an API used to communicate the health of one or more applications + * running in a virtual machine to VMware infrastructure. + * + * @defgroup VMGuestAppMonitor + * + * @brief VMGuestAppMonitorLib A collection of routines used in the guest + * by an application monitoring agent to + * indicate the liveness of a monitored set of + * applications. + * + * @code + * VMGuestAppMonitor_Enable(); + * + * -- Call at least every 30 seconds + * VMGuestAppMonitor_MarkActive(); + * + * -- When finished monitoring + * VMGuestAppMonitor_Disable(); + * @endcode + * + * To signal an application failure, simply do not call + * VMGuestAppMonitor_MarkActive(). + * + * @endcode + * + * @addtogroup VMGuestAppMonitor + * @{ + */ + +#ifndef _VM_GUEST_APP_MONITOR_LIB_H_ +#define _VM_GUEST_APP_MONITOR_LIB_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * VMGuestAppMonitorLib error codes. + */ + +typedef enum { + VMGUESTAPPMONITORLIB_ERROR_SUCCESS = 0, /**< No error. */ + VMGUESTAPPMONITORLIB_ERROR_OTHER, /**< Other error */ + VMGUESTAPPMONITORLIB_ERROR_NOT_RUNNING_IN_VM, /**< Not running in a VM */ + VMGUESTAPPMONITORLIB_ERROR_NOT_ENABLED, /**< Monitoring is not enabled */ + VMGUESTAPPMONITORLIB_ERROR_NOT_SUPPORTED, /**< Monitoring is not supported */ +} VMGuestAppMonitorLibError; + + +/* + ****************************************************************************** + * VMGuestAppMonitor_Enable -- */ /** + * + * Enable application monitoring. After this call, the agent must + * call VMGuestAppMonitor_MarkActive() at least once every 30 + * seconds or the application will be viewed as having failed. + * + * @return VMGUESTAPPMONITORLIB_ERROR_SUCCESS if monitoring has been enabled. + * + ****************************************************************************** + */ + +VMGuestAppMonitorLibError +VMGuestAppMonitor_Enable(void); + + +/* + ****************************************************************************** + * VMGuestAppMonitor_Disable -- */ /** + * + * Disable application monitoring. + * + * @return TRUE if monitoring has been disabled. + * + ****************************************************************************** + */ + +VMGuestAppMonitorLibError +VMGuestAppMonitor_Disable(void); + + +/* + ****************************************************************************** + * VMGuestAppMonitor_IsEnabled -- */ /** + * + * Return the current state of application monitoring. + * + * @return 1 (TRUE) if monitoring is enabled. + * + ****************************************************************************** + */ + +int +VMGuestAppMonitor_IsEnabled(void); + + +/* + ****************************************************************************** + * VMGuestAppMonitor_MarkActive -- */ /** + * + * Marks the application as active. This function needs to be called + * at least once every 30 seconds while application monitoring is + * enabled or HA will determine that the application has failed. + * + * @return VMGUESTAPPMONITORLIB_ERROR_SUCCESS if successful and + * VMGUESTAPPMONITORLIB_ERROR_NOT_ENABLED if monitoring is not enabled. + * + ****************************************************************************** + */ + +VMGuestAppMonitorLibError +VMGuestAppMonitor_MarkActive(void); + + +/* + ****************************************************************************** + * VMGuestAppMonitor_GetAppStatus -- */ /** + * + * Return the current status recorded for the application. + * + * @return the application status. The caller must free the result. + * + ****************************************************************************** + */ + +char * +VMGuestAppMonitor_GetAppStatus(void); + +/* + ****************************************************************************** + * VMGuestAppMonitor_PostAppState -- */ /** + * + * Post application state. + * + * @return VMGUESTAPPMONITORLIB_ERROR_SUCCESS if successful + * + ****************************************************************************** + */ + + +VMGuestAppMonitorLibError +VMGuestAppMonitor_PostAppState(const char *state); + + +/* + ****************************************************************************** + * VMGuestAppMonitor_Free -- */ /** + * + * Free the result of VMGuestAppMonitor_GetAppStatus. + * + * @param[in] str Pointer to the memory to be freed. + * + ****************************************************************************** + */ + +void +VMGuestAppMonitor_Free(char *str); + +#ifdef __cplusplus +} +#endif + +#endif /* _VM_GUEST_APP_MONITOR_LIB_H_ */ + +/** @} */ diff --git a/open-vm-tools/lib/rpcChannel/glib_stubs.c b/open-vm-tools/lib/rpcChannel/glib_stubs.c new file mode 100644 index 000000000..5a7db561e --- /dev/null +++ b/open-vm-tools/lib/rpcChannel/glib_stubs.c @@ -0,0 +1,45 @@ +/********************************************************* + * Copyright (C) 2018 VMware, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation version 2.1 and no later version. + * + * 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 Lesser GNU General Public + * License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + *********************************************************/ + +/** + * @file glib_stubs.c + * + * rpcChannel uses glib. If anyone wants to build rpcChannel without + * having any dependency on glib, we need to use this stubs file. + */ + +#include +#include +#include + +#include "util.h" + +#if !defined(USE_RPCI_ONLY) +#error "This file should be compiled for RPCI-only channel!" +#endif + +void *g_malloc0(size_t s) { return Util_SafeCalloc(1, s); } +void *g_malloc0_n(size_t n, size_t s) { return Util_SafeCalloc(n, s); } +void g_free(void *p) { free(p); } + +GMutex* g_static_mutex_get_mutex_impl(GStaticMutex *mutex) { return NULL; } + +void g_static_mutex_free(GStaticMutex *mutex) { } +void g_static_mutex_init(GStaticMutex *mutex) { } +void g_mutex_lock(GMutex *mutex) { } +void g_mutex_unlock(GMutex *mutex) { } diff --git a/open-vm-tools/libappmonitor/COPYING b/open-vm-tools/libappmonitor/COPYING new file mode 100644 index 000000000..09f465ab7 --- /dev/null +++ b/open-vm-tools/libappmonitor/COPYING @@ -0,0 +1,502 @@ + GNU LESSER GENERAL PUBLIC LICENSE + Version 2.1, February 1999 + + Copyright (C) 1991, 1999 Free Software Foundation, Inc. + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +[This is the first released version of the Lesser GPL. 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You can do so by permitting +redistribution under these terms (or, alternatively, under the terms of the +ordinary General Public License). + + To apply these terms, attach the following notices to the library. It is +safest to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least the +"copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +Also add information on how to contact you by electronic and paper mail. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the library, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James Random Hacker. + + , 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! diff --git a/open-vm-tools/libappmonitor/Makefile.am b/open-vm-tools/libappmonitor/Makefile.am new file mode 100644 index 000000000..2681eb793 --- /dev/null +++ b/open-vm-tools/libappmonitor/Makefile.am @@ -0,0 +1,74 @@ +################################################################################ +### Copyright (C) 2018 VMware, Inc. All rights reserved. +### +### This program is free software; you can redistribute it and/or modify +### it under the terms of version 2 of the GNU General Public License as +### published by the Free Software Foundation. +### +### 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, write to the Free Software +### Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +################################################################################ + +lib_LTLIBRARIES = libappmonitor.la + +AM_CFLAGS = +AM_CFLAGS += -I$(top_srcdir)/lib/include + +libappmonitor_la_LIBADD = +libappmonitor_la_LIBADD += ../lib/backdoor/libBackdoor.la +libappmonitor_la_LIBADD += ../lib/dataMap/libDataMap.la +libappmonitor_la_LIBADD += ../lib/err/libErr.la +libappmonitor_la_LIBADD += ../lib/hashMap/libHashMap.la +libappmonitor_la_LIBADD += ../lib/message/libMessage.la +libappmonitor_la_LIBADD += ../lib/misc/libMisc.la +libappmonitor_la_LIBADD += ../lib/rpcOut/libRpcOut.la +libappmonitor_la_LIBADD += ../lib/string/libString.la +libappmonitor_la_LIBADD += ../lib/unicode/libUnicode.la +libappmonitor_la_LIBADD += ../lib/vmCheck/libVmCheck.la +libappmonitor_la_LIBADD += ../lib/vmSignal/libVmSignal.la +libappmonitor_la_LIBADD += @ICU_LIBS@ + +libappmonitor_rpcchanneldir = $(top_srcdir)/lib/rpcChannel + +libappmonitor_la_SOURCES = +libappmonitor_la_SOURCES += vmGuestAppMonitorLib.c +libappmonitor_la_SOURCES += stub-debug.c +libappmonitor_la_SOURCES += $(top_srcdir)/lib/stubs/stub-panic.c +libappmonitor_la_SOURCES += $(libappmonitor_rpcchanneldir)/bdoorChannel.c +libappmonitor_la_SOURCES += $(libappmonitor_rpcchanneldir)/rpcChannel.c +libappmonitor_la_SOURCES += $(libappmonitor_rpcchanneldir)/glib_stubs.c +if HAVE_VSOCK +libappmonitor_la_SOURCES += $(libappmonitor_rpcchanneldir)/vsockChannel.c +libappmonitor_la_SOURCES += $(libappmonitor_rpcchanneldir)/simpleSocket.c +endif + +libappmonitor_la_LDFLAGS = +libappmonitor_la_LDFLAGS += -Wl,-ldl +libappmonitor_la_LDFLAGS += -Wl,-lrt +# We require GCC, so we're fine passing compiler-specific flags. +# Needed for OS's that don't link shared libraries against libc by default, e.g. FreeBSD +libappmonitor_la_LDFLAGS += -Wl,-lc + +libappmonitor_includedir = $(includedir)/libappmonitor + +libappmonitor_include_HEADERS = +libappmonitor_include_HEADERS += $(top_srcdir)/lib/include/vmGuestAppMonitorLib.h + +libappmonitor_la_CPPFLAGS = +libappmonitor_la_CPPFLAGS += -DVMTOOLS_USE_GLIB +libappmonitor_la_CPPFLAGS += -DUSE_RPCI_ONLY +libappmonitor_la_CPPFLAGS += @GLIB2_CPPFLAGS@ + +EXTRA_DIST = appmonitor.pc.in + +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = appmonitor.pc + +$(pkgconfig_DATA): $(top_builddir)/config.status + diff --git a/open-vm-tools/libappmonitor/appmonitor.pc.in b/open-vm-tools/libappmonitor/appmonitor.pc.in new file mode 100644 index 000000000..dc217f9be --- /dev/null +++ b/open-vm-tools/libappmonitor/appmonitor.pc.in @@ -0,0 +1,13 @@ +# VMware AppMonitorLib pkgconfig data. + +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: VMware AppMonitorLib +Description: Library for guest app agents to communicate with vSphere HA about the guest app's liveness +Version: @VERSION@ +Libs: -L${libdir} -lappmonitor +Cflags: -I${includedir}/libappmonitor + diff --git a/open-vm-tools/libappmonitor/stub-debug.c b/open-vm-tools/libappmonitor/stub-debug.c new file mode 100644 index 000000000..27c232e75 --- /dev/null +++ b/open-vm-tools/libappmonitor/stub-debug.c @@ -0,0 +1,67 @@ +/********************************************************* + * Copyright (C) 2013 VMware, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation version 2.1 and no later version. + * + * 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 Lesser GNU General Public + * License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + *********************************************************/ + +/* + * stub-debug.c -- + * + * Stub for Debug(). + * + */ + +#include +#include "str.h" + + +void +Debug(const char *fmt, ...) +{ +#ifdef VMX86_LOG /* only do logging on OBJ builds */ + va_list args; + + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); +#endif +} + + +void +Log(const char *fmt, ...) +{ +#ifdef VMX86_LOG /* only do logging on OBJ builds */ + va_list args; + + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); +#endif +} + + +void +Warning(const char *fmt, ...) +{ +#ifdef VMX86_LOG /* only do logging on OBJ builds */ + va_list args; + + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); +#endif +} + diff --git a/open-vm-tools/libappmonitor/vmGuestAppMonitorLib.c b/open-vm-tools/libappmonitor/vmGuestAppMonitorLib.c new file mode 100644 index 000000000..74a050698 --- /dev/null +++ b/open-vm-tools/libappmonitor/vmGuestAppMonitorLib.c @@ -0,0 +1,462 @@ +/********************************************************* + * Copyright (C) 2009-2018 VMware, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation version 2.1 and no later version. + * + * 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 Lesser GNU General Public + * License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + *********************************************************/ + +/** + * @file vmGuestAppMonitorLib.c + * + * @brief This file contains the functions used by an application monitoring + * agent to communicate to HA via VMX that the application(s) that it + * is monitoring is alive. The general flow is as follows: + * + * @code + * VMGuestAppMonitor_Enable(); + * + * -- Call at least every 30 seconds + * VMGuestAppMonitor_MarkActive(); + * + * -- When finished monitoring + * VMGuestAppMonitor_Disable(); + * @endcode + * + * To signal an application failure, simply do not call + * VMGuestAppMonitor_MarkActive(). + * + * @endcode + * + * @addtogroup VMGuestAppMonitor + * @{ + * + */ + +#include +#include +#include + +#include "vmware.h" +#include "str.h" +#include "util.h" +#include "vmGuestAppMonitorLib.h" +#include "vmGuestAppMonitorLibInt.h" +#include "rpcout.h" +#include "vmcheck.h" +#include "debug.h" +#include "vmguestappmonitorlib_version.h" +#include "vm_version.h" +#include "embed_version.h" +#include "vmware/tools/guestrpc.h" + +VM_EMBED_VERSION(VMGUESTAPPMONITORLIB_VERSION_STRING); + +/** + * @cond INTERNAL + * @{ + */ + +static VMGuestAppMonitorLibError +RunGuestAppMonitorCmd(const char *cmd); + +static VMGuestAppMonitorLibError +RunGuestAppMonitorCmdWithResult(const char *cmd, + char **result); + +static Bool +CreateSecRpcChannel(); + +static void +DestroySecRpcChannel(); + +static void +DestroyChannel(); + +#if defined(VMX86_DEBUG) && defined(linux) +static void +LogChannelType(const char *filePath, const char *chanType); +#endif + +static RpcChannel *gChan = NULL; + +static Bool isHeartbeatingOnly = FALSE; + +/** + * @} + * @endcond + */ + +/* + ****************************************************************************** + * VMGuestAppMonitor_Enable -- + ****************************************************************************** + */ + +VMGuestAppMonitorLibError +VMGuestAppMonitor_Enable(void) +{ + VMGuestAppMonitorLibError rc; + isHeartbeatingOnly = TRUE; + rc = RunGuestAppMonitorCmd(VMGUESTAPPMONITOR_BD_CMD_ENABLE); + return rc; +} + + +/* + ****************************************************************************** + * VMGuestAppMonitor_Disable -- + ****************************************************************************** + */ + +VMGuestAppMonitorLibError +VMGuestAppMonitor_Disable(void) +{ + VMGuestAppMonitorLibError rc; + rc = RunGuestAppMonitorCmd(VMGUESTAPPMONITOR_BD_CMD_DISABLE); + if (rc == VMGUESTAPPMONITORLIB_ERROR_SUCCESS) { + DestroySecRpcChannel(); + gChan = NULL; + Debug("Destroyed the secure rpc channel.\n"); + isHeartbeatingOnly = FALSE; + } + return rc; +} + + +/* + ****************************************************************************** + * VMGuestAppMonitor_IsEnabled -- + ****************************************************************************** + */ + +int +VMGuestAppMonitor_IsEnabled(void) +{ + VMGuestAppMonitorLibError rc; + char *status = NULL; + + rc = RunGuestAppMonitorCmdWithResult(VMGUESTAPPMONITOR_BD_CMD_IS_ENABLED, + &status); + + if (rc == VMGUESTAPPMONITORLIB_ERROR_SUCCESS && status != NULL) { + Bool isEnabled = Str_Strncmp(status, "true", sizeof("true")) == 0; + + free(status); + return isEnabled; + } else { + return FALSE; + } +} + + +/* + ****************************************************************************** + * VMGuestAppMonitor_MarkActive -- + ****************************************************************************** + */ + +VMGuestAppMonitorLibError +VMGuestAppMonitor_MarkActive(void) +{ + return RunGuestAppMonitorCmd(VMGUESTAPPMONITOR_BD_CMD_MARK_ACTIVE); +} + + +/* + ****************************************************************************** + * VMGuestAppMonitor_GetAppStatus -- + ****************************************************************************** + */ + +char * +VMGuestAppMonitor_GetAppStatus(void) +{ + VMGuestAppMonitorLibError rc; + char *status = NULL; + + rc = RunGuestAppMonitorCmdWithResult(VMGUESTAPPMONITOR_BD_CMD_GET_APP_STATUS, + &status); + + return status; +} + +/* + ****************************************************************************** + * VMGuestAppMonitor_PostAppState -- + ****************************************************************************** + */ +VMGuestAppMonitorLibError +VMGuestAppMonitor_PostAppState(const char *state) +{ + char *cmd = Str_Asprintf(NULL, "%s %s", + VMGUESTAPPMONITOR_BD_CMD_POST_APP_STATE, + state); + VMGuestAppMonitorLibError rc; + + rc = RunGuestAppMonitorCmd(cmd); + free(cmd); + + return rc; +} + +/* + ****************************************************************************** + * VMGuestAppMonitor_Free -- */ /** + ****************************************************************************** + */ + +void +VMGuestAppMonitor_Free(char *str) +{ + if (str != NULL) { + free(str); + } +} + +/* + ****************************************************************************** + * DestroyChannel -- */ /** + * + * Destroy the channel if conditions are met. + * Do not destroy the channel otherwise. + * + ****************************************************************************** + */ +static void +DestroyChannel() +{ + Bool isBackdoorChannel; + /* + * Destroying the channel here if a client is using anything other + * than markActive. Channels using markActive need to be persisted + * since we want to prevent any false VM resets triggered by a client + * not being able to post heartbeats because it was not able to + * acquire a channel. We also close and destroy all backdoor channels + * irrespective of whether they are being used for markActive or not. + */ + isBackdoorChannel = (RpcChannel_GetType(gChan) == RPCCHANNEL_TYPE_BKDOOR); + Debug("isBackdoorChannel is set to %d.\n", isBackdoorChannel); + Debug("isHeartbeatingOnly is set to %d.\n", isHeartbeatingOnly); + if(!isHeartbeatingOnly || isBackdoorChannel) { + DestroySecRpcChannel(); + gChan = NULL; + Debug("Destroyed the secure rpc channel.\n"); + } +} + +/* + ****************************************************************************** + * CreateSecRpcChannel -- */ /** + * + * Create a new secure RpcChannel if not already created. + * + * @return TRUE if successful or FALSE otherwise. + * + ****************************************************************************** + */ +static Bool +CreateSecRpcChannel() +{ + Bool start; + if(gChan == NULL) { + Debug("VMGuestAppMonitor: Creating a new Secure Rpc channel.\n"); + gChan = RpcChannel_New(); + start = RpcChannel_Start(gChan); + /* + * Logging the channel type so we can verify the same via the + * VMAppmon unit tests. Changing this log message/file path + * will break the unit tests. + */ + #if defined(VMX86_DEBUG) && defined(linux) + LogChannelType("/tmp/chanType.txt", (RpcChannel_GetType(gChan) == RPCCHANNEL_TYPE_BKDOOR ? "BACKDOOR" : "VSOCK")); + #endif + return start; + } + else { + Debug("VMGuestAppMonitor: Secure Rpc channel already present.\n"); + return TRUE; + } +} + +/* + ****************************************************************************** + * DestroySecRpcChannel -- */ /** + * + * Destroy a secure RpcChannel only if it has been created. + * + ****************************************************************************** + */ +static void +DestroySecRpcChannel() +{ + if(gChan != NULL) { + RpcChannel_Destroy(gChan); + } +} + +#if defined(VMX86_DEBUG) && defined(linux) +/* + ****************************************************************************** + * LogChannelType -- */ /** + * + * Open a file on linux and log the channel type. + * + ****************************************************************************** + */ +static void +LogChannelType(const char *filePath, const char *chanType) +{ + FILE *fp = fopen(filePath, "wb"); + if (fp != NULL) + { + fputs(chanType, fp); + fclose(fp); + } +} +#endif + +/* + ****************************************************************************** + * RunGuestAppMonitorCmd -- */ /** + * + * Execute a Guest App Monitoring RPC. + * + * @param[in] cmd The RPC command. + * + * @return VMGUESTAPPMONITORLIB_ERROR_SUCCESS if successful or + * the error code otherwise. + * + ****************************************************************************** + */ +static VMGuestAppMonitorLibError +RunGuestAppMonitorCmd(const char *cmd) +{ + char *reply = NULL; + size_t replyLen; + VMGuestAppMonitorLibError rc; + + ASSERT(cmd != NULL); + + if (!VmCheck_IsVirtualWorld()) { + Debug("VMGuestAppMonitor: Not running in a VM.\n"); + return VMGUESTAPPMONITORLIB_ERROR_NOT_RUNNING_IN_VM; + } + + //Init channel here if not already init + if (!CreateSecRpcChannel()) { + Debug("Error starting the Rpc Channel\n"); + return VMGUESTAPPMONITORLIB_ERROR_NOT_ENABLED; + } + Debug("VMGuestAppMonitor: Sending via secure Rpc channel.\n"); + if (!RpcChannel_Send(gChan, cmd, strlen(cmd), &reply, &replyLen)) { + Debug("Failed to run %s command: %s\n", cmd, reply ? reply : "NULL"); + + if (Str_Strncmp(reply, "Unknown command", + sizeof "Unknown command") == 0) { + /* Host does not support application monitoring */ + rc = VMGUESTAPPMONITORLIB_ERROR_NOT_SUPPORTED; + } else { + rc = VMGUESTAPPMONITORLIB_ERROR_OTHER; + } + } else { + if (Str_Strncmp(reply, VMGUESTAPPMONITOR_BD_RC_OK, + sizeof VMGUESTAPPMONITOR_BD_RC_OK) == 0) { + rc = VMGUESTAPPMONITORLIB_ERROR_SUCCESS; + } else { + rc = VMGUESTAPPMONITORLIB_ERROR_OTHER; + } + } + + if (reply) { + free(reply); + } + + DestroyChannel(); + + return rc; +} + + +/* + ****************************************************************************** + * RunGuestAppMonitorCmdWithResult -- */ /** + * + * Execute a Guest App Monitoring RPC and return the command's result. + * + * @param[in] cmd The RPC command. + * @param[out] result The result returned by the command or NULL if an + * error occurred.. + * + * @return VMGUESTAPPMONITORLIB_ERROR_SUCCESS if successful or + * the error code otherwise. + * + ****************************************************************************** + */ + +static VMGuestAppMonitorLibError +RunGuestAppMonitorCmdWithResult(const char *cmd, + char **result) +{ + char *reply = NULL; + size_t replyLen; + VMGuestAppMonitorLibError rc; + + ASSERT(cmd != NULL); + ASSERT(result != NULL); + + if (!VmCheck_IsVirtualWorld()) { + Debug("VMGuestAppMonitor: Not running in a VM.\n"); + return VMGUESTAPPMONITORLIB_ERROR_NOT_RUNNING_IN_VM; + } + + //Init channel here if not already init + if (!CreateSecRpcChannel()) { + Debug("Error starting the Rpc Channel\n"); + return VMGUESTAPPMONITORLIB_ERROR_NOT_ENABLED; + } + Debug("VMGuestAppMonitor: Sending via secure Rpc channel.\n"); + if (!RpcChannel_Send(gChan, cmd, strlen(cmd), &reply, &replyLen)) { + Debug("Failed to run %s command: %s\n", cmd, reply ? reply : "NULL"); + + if (Str_Strncmp(reply, "Unknown command", + sizeof "Unknown command") == 0) { + /* Host does not support application monitoring */ + rc = VMGUESTAPPMONITORLIB_ERROR_NOT_SUPPORTED; + } else { + rc = VMGUESTAPPMONITORLIB_ERROR_OTHER; + } + } else { + Debug("Ran %s command, Reply is %s\n", cmd, reply ? reply : "NULL"); + rc = VMGUESTAPPMONITORLIB_ERROR_SUCCESS; + if (replyLen > 0) { + *result = Util_SafeMalloc(replyLen + 1); + Str_Strcpy(*result, reply, replyLen + 1); + } else { + *result = NULL; + } + } + + if (reply) { + free(reply); + } + + DestroyChannel(); + + return rc; +} + + +/** + * @} + */ diff --git a/open-vm-tools/libappmonitor/vmGuestAppMonitorLibInt.h b/open-vm-tools/libappmonitor/vmGuestAppMonitorLibInt.h new file mode 100644 index 000000000..044100860 --- /dev/null +++ b/open-vm-tools/libappmonitor/vmGuestAppMonitorLibInt.h @@ -0,0 +1,56 @@ +/********************************************************* + * Copyright (C) 2009-2016,2018 VMware, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation version 2.1 and no later version. + * + * 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 Lesser GNU General Public + * License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + *********************************************************/ + +#ifndef _VM_GUEST_APP_MONITOR_LIB_INT_H_ +#define _VM_GUEST_APP_MONITOR_LIB_INT_H_ + +#define INCLUDE_ALLOW_USERLEVEL +#include "includeCheck.h" + +#include "vmware.h" + +#if defined(__cplusplus) +extern "C" { +#endif + +/* + * Backdoor command + */ + +#define VMGUESTAPPMONITOR_BD_CMD_ENABLE "GuestAppMonitor.Cmd.Enable" +#define VMGUESTAPPMONITOR_BD_CMD_DISABLE "GuestAppMonitor.Cmd.Disable" +#define VMGUESTAPPMONITOR_BD_CMD_IS_ENABLED "GuestAppMonitor.Cmd.IsEnabled" +#define VMGUESTAPPMONITOR_BD_CMD_MARK_ACTIVE "GuestAppMonitor.Cmd.MarkActive" +#define VMGUESTAPPMONITOR_BD_CMD_GET_APP_STATUS \ + "GuestAppMonitor.Cmd.GetAppStatus" +#define VMGUESTAPPMONITOR_BD_CMD_POST_APP_STATE \ + "GuestAppMonitor.Cmd.PostAppState" + + +#define VMGUESTAPPMONITOR_BD_RC_OK "0" +#define VMGUESTAPPMONITOR_BD_RC_INTERNAL_ERROR "1" +#define VMGUESTAPPMONITOR_BD_RC_NOT_ENABLED "2" +#define VMGUESTAPPMONITOR_BD_RC_ARGUMENT_EXPECTED "3" +#define VMGUESTAPPMONITOR_BD_RC_NULL_ARGUMENT "4" +#define VMGUESTAPPMONITOR_BD_RC_BAD_ARGUMENT "5" + +#if defined(__cplusplus) +} // extern "C" +#endif + +#endif /* _VM_GUEST_APP_MONITOR_LIB_INT_H_ */ diff --git a/open-vm-tools/libappmonitor/vmguestappmonitorlib_version.h b/open-vm-tools/libappmonitor/vmguestappmonitorlib_version.h new file mode 100644 index 000000000..14d4044ea --- /dev/null +++ b/open-vm-tools/libappmonitor/vmguestappmonitorlib_version.h @@ -0,0 +1,35 @@ +/********************************************************* + * Copyright (C) 2009 VMware, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation version 2.1 and no later version. + * + * 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 Lesser GNU General Public + * License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + *********************************************************/ + +/* + * vmguestappmonitorlib_version.h -- + * + * Version definitions for VMGuestAppMonitorLib. + */ + +#ifndef _VMGUESTAPPMONITORLIB_VERSION_H_ +#define _VMGUESTAPPMONITORLIB_VERSION_H_ + +/* + * This component's version is manually versioned. + */ + +#define VMGUESTAPPMONITORLIB_VERSION_COMMAS 2,0,0 +#define VMGUESTAPPMONITORLIB_VERSION_STRING "2.0.0" + +#endif /* _VMGUESTAPPMONITORLIB_VERSION_H_ */