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From f3408f83b462d0e24739485e93ea8f8d98909ac5 Mon Sep 17 00:00:00 2001
From: Cathy Avery <cavery@redhat.com>
Date: Tue, 21 Apr 2020 10:38:54 +0200
Subject: [PATCH 3/3] add appinfo plugin
RH-Author: Cathy Avery <cavery@redhat.com>
Message-id: <20200327120950.5402-1-cavery@redhat.com>
Patchwork-id: 94452
O-Subject: [RHEL-8.2.1 open-vm-tools PATCH] add appinfo plugin
Bugzilla: 1809751
RH-Acked-by: Eduardo Otubo <otubo@redhat.com>
RH-Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
commit f1f0b812e7fb9ccf405fcfd48ddb4d65e8532eef
Author: Oliver Kurth <okurth@vmware.com>
Date: Wed Feb 5 17:21:52 2020 -0800
add appinfo plugin
Signed-off-by: Cathy Avery <cavery@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
open-vm-tools/configure.ac | 3 +-
open-vm-tools/lib/include/appInfo.h | 41 ++
open-vm-tools/services/plugins/Makefile.am | 5 +-
open-vm-tools/services/plugins/appInfo/COPYING | 502 ++++++++++++++++++
open-vm-tools/services/plugins/appInfo/Makefile.am | 37 ++
open-vm-tools/services/plugins/appInfo/appInfo.c | 572 +++++++++++++++++++++
.../services/plugins/appInfo/appInfoInt.h | 64 +++
.../services/plugins/appInfo/appInfoPosix.c | 124 +++++
.../services/plugins/appInfo/appInfoUtil.c | 143 ++++++
9 files changed, 1489 insertions(+), 2 deletions(-)
create mode 100644 open-vm-tools/lib/include/appInfo.h
create mode 100644 open-vm-tools/services/plugins/appInfo/COPYING
create mode 100644 open-vm-tools/services/plugins/appInfo/Makefile.am
create mode 100644 open-vm-tools/services/plugins/appInfo/appInfo.c
create mode 100644 open-vm-tools/services/plugins/appInfo/appInfoInt.h
create mode 100644 open-vm-tools/services/plugins/appInfo/appInfoPosix.c
create mode 100644 open-vm-tools/services/plugins/appInfo/appInfoUtil.c
diff --git a/open-vm-tools/configure.ac b/open-vm-tools/configure.ac
index 9aa95ab..40f8bdc 100644
--- a/open-vm-tools/configure.ac
+++ b/open-vm-tools/configure.ac
@@ -1,5 +1,5 @@
################################################################################
-### Copyright (C) 2007-2019 VMware, Inc. All rights reserved.
+### Copyright (C) 2007-2020 VMware, Inc. All rights reserved.
###
### Configure script for building the VMware OSS Tools.
###
@@ -1579,6 +1579,7 @@ AC_CONFIG_FILES([ \
services/Makefile \
services/vmtoolsd/Makefile \
services/plugins/Makefile \
+ services/plugins/appInfo/Makefile \
services/plugins/desktopEvents/Makefile \
services/plugins/dndcp/Makefile \
services/plugins/guestInfo/Makefile \
diff --git a/open-vm-tools/lib/include/appInfo.h b/open-vm-tools/lib/include/appInfo.h
new file mode 100644
index 0000000..122d08e
--- /dev/null
+++ b/open-vm-tools/lib/include/appInfo.h
@@ -0,0 +1,41 @@
+/*********************************************************
+ * Copyright (C) 2020 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 _APPINFO_H_
+#define _APPINFO_H_
+
+/**
+ * @file appInfo.h
+ *
+ * Declares few constants for the appInfo plugin.
+ */
+
+/**
+ * The guest Variable name for the application information.
+ */
+#define APP_INFO_GUESTVAR_KEY "appInfo"
+
+#define APP_INFO_VERSION_1 1
+#define APP_INFO_KEY_VERSION "version"
+#define APP_INFO_KEY_UPDATE_COUNTER "updateCounter"
+#define APP_INFO_KEY_PUBLISHTIME "publishTime"
+#define APP_INFO_KEY_APPS "applications"
+#define APP_INFO_KEY_APP_NAME "a"
+#define APP_INFO_KEY_APP_VERSION "v"
+
+#endif /* _APPINFO_H_ */
diff --git a/open-vm-tools/services/plugins/Makefile.am b/open-vm-tools/services/plugins/Makefile.am
index 7ab22ee..e010ab1 100644
--- a/open-vm-tools/services/plugins/Makefile.am
+++ b/open-vm-tools/services/plugins/Makefile.am
@@ -1,5 +1,5 @@
################################################################################
-### Copyright (C) 2009-2019 VMware, Inc. All rights reserved.
+### Copyright (C) 2009-2020 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
@@ -16,6 +16,9 @@
################################################################################
SUBDIRS =
+if LINUX
+SUBDIRS += appInfo
+endif
if HAVE_X11
SUBDIRS += desktopEvents
endif
diff --git a/open-vm-tools/services/plugins/appInfo/COPYING b/open-vm-tools/services/plugins/appInfo/COPYING
new file mode 100644
index 0000000..9c6a6cc
--- /dev/null
+++ b/open-vm-tools/services/plugins/appInfo/COPYING
@@ -0,0 +1,502 @@
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+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.
+
+ <one line to give the library's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ 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.
+
+ <signature of Ty Coon>, 1 April 1990
+ Ty Coon, President of Vice
+
+That's all there is to it!
diff --git a/open-vm-tools/services/plugins/appInfo/Makefile.am b/open-vm-tools/services/plugins/appInfo/Makefile.am
new file mode 100644
index 0000000..fd1e466
--- /dev/null
+++ b/open-vm-tools/services/plugins/appInfo/Makefile.am
@@ -0,0 +1,37 @@
+################################################################################
+### Copyright (C) 2020 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
+################################################################################
+
+SUBDIRS =
+
+plugindir = @VMSVC_PLUGIN_INSTALLDIR@
+plugin_LTLIBRARIES = libappInfo.la
+
+libappInfo_la_CPPFLAGS =
+libappInfo_la_CPPFLAGS += @PLUGIN_CPPFLAGS@
+
+libappInfo_la_LDFLAGS =
+libappInfo_la_LDFLAGS += @PLUGIN_LDFLAGS@
+
+libappInfo_la_LIBADD =
+libappInfo_la_LIBADD += @VMTOOLS_LIBS@
+libappInfo_la_LIBADD += @GOBJECT_LIBS@
+
+libappInfo_la_SOURCES =
+libappInfo_la_SOURCES += appInfo.c
+libappInfo_la_SOURCES += appInfoInt.h
+libappInfo_la_SOURCES += appInfoUtil.c
+libappInfo_la_SOURCES += appInfoPosix.c
diff --git a/open-vm-tools/services/plugins/appInfo/appInfo.c b/open-vm-tools/services/plugins/appInfo/appInfo.c
new file mode 100644
index 0000000..b0db092
--- /dev/null
+++ b/open-vm-tools/services/plugins/appInfo/appInfo.c
@@ -0,0 +1,572 @@
+/*********************************************************
+ * Copyright (C) 2020 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.
+ *
+ *********************************************************/
+
+/*
+ * appInfo.c --
+ *
+ * Captures the information about running applications inside the guest
+ * and publishes it to a guest variable.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "appInfo.h"
+#include "appInfoInt.h"
+#include "vmware.h"
+#include "conf.h"
+#include "dynbuf.h"
+#include "escape.h"
+#include "str.h"
+#include "util.h"
+#include "vm_atomic.h"
+#include "vmcheck.h"
+#include "vmware/tools/log.h"
+#include "vmware/tools/threadPool.h"
+#include "vmware/tools/utils.h"
+
+#if !defined(__APPLE__)
+#include "vm_version.h"
+#include "embed_version.h"
+#include "vmtoolsd_version.h"
+VM_EMBED_VERSION(VMTOOLSD_VERSION_STRING);
+#endif
+
+#if defined(_WIN32)
+#include "codeset.h"
+#endif
+
+/**
+ * Maximum size of the packet size that appInfo plugin should send
+ * to the VMX. Currently, this is set to 62 KB.
+ */
+#define MAX_APP_INFO_SIZE (62 * 1024)
+
+/**
+ * Default poll interval for appInfo is 30m
+ */
+#define APP_INFO_POLL_INTERVAL (30 * 60)
+
+/**
+ * Default value for CONFNAME_APPINFO_DISABLED setting in
+ * tools configuration file.
+ *
+ * FALSE will enable the plugin. TRUE will disable the plugin.
+ */
+#define APP_INFO_CONF_DEFAULT_DISABLED_VALUE FALSE
+
+/**
+ * Defines the current poll interval (in seconds).
+ *
+ * This value is controlled by the appinfo.poll-interval config file option.
+ */
+int appInfoPollInterval = 0;
+
+/**
+ * AppInfo gather loop timeout source.
+ */
+static GSource *appInfoTimeoutSource = NULL;
+
+
+/*
+ *****************************************************************************
+ * EscapeJSONString --
+ *
+ * Escapes a string to be included in JSON content.
+ *
+ * @param[in] str The string to be escaped.
+ *
+ * @retval Pointer to a heap-allocated memory. This holds the escaped content
+ * of the string passed by the caller.
+ *
+ *****************************************************************************
+ */
+
+static char *
+EscapeJSONString(const char *str) // IN
+{
+ /*
+ * Escape '"' and '\' characters in the JSON string.
+ */
+
+ static const int bytesToEscape[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // "
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, // '\'
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ };
+
+ return Escape_DoString("\\u00", bytesToEscape, str, strlen(str),
+ NULL);
+}
+
+
+/*
+ *****************************************************************************
+ * SetGuestInfo --
+ *
+ * Sends a simple key-value update request to the VMX.
+ *
+ * @param[in] ctx Application context.
+ * @param[in] key Key sent to the VMX
+ * @param[in] value GuestInfo data sent to the VMX
+ *
+ * @retval TRUE RPCI succeeded.
+ * @retval FALSE RPCI failed.
+ *
+ *****************************************************************************
+ */
+
+static Bool
+SetGuestInfo(ToolsAppCtx *ctx, // IN:
+ const char *guestVariableName, // IN:
+ const char *value) // IN:
+{
+ Bool status;
+ char *reply = NULL;
+ gchar *msg;
+ size_t replyLen;
+
+ ASSERT(guestVariableName);
+ ASSERT(value);
+
+ msg = g_strdup_printf("info-set guestinfo.%s %s",
+ guestVariableName,
+ value);
+
+ status = RpcChannel_Send(ctx->rpc,
+ msg,
+ strlen(msg) + 1,
+ &reply,
+ &replyLen);
+ g_free(msg);
+
+ if (!status) {
+ g_warning("Error sending RPC message: %s\n", reply ? reply : "NULL");
+ vm_free(reply);
+ return FALSE;
+ } else {
+ g_info("Successfully sent the app information.\n");
+ }
+
+ status = (*reply == '\0');
+ vm_free(reply);
+ return status;
+}
+
+
+/*
+ *****************************************************************************
+ * AppInfoGatherTask --
+ *
+ * Collects all the desired application related information and updates VMX.
+ *
+ * @param[in] data The application context.
+ *
+ *****************************************************************************
+ */
+
+static void
+AppInfoGatherTask(ToolsAppCtx *ctx,
+ void *data)
+{
+ DynBuf dynBuffer;
+ char tmpBuf[1024];
+ int len;
+ gchar *tstamp = NULL;
+ char *escapedCmd = NULL;
+ char *escapedVersion = NULL;
+ GSList *appList = NULL;
+ GSList *appNode;
+ static Atomic_uint64 updateCounter = {0};
+ uint64 counter = (uint64) Atomic_ReadInc64(&updateCounter) + 1;
+
+ static char headerFmt[] = "{\n"
+ "\"" APP_INFO_KEY_VERSION "\":\"%d\", \n"
+ "\"" APP_INFO_KEY_UPDATE_COUNTER "\":\"%"FMT64"d\", \n"
+ "\"" APP_INFO_KEY_PUBLISHTIME "\":\"%s\", \n"
+ "\"" APP_INFO_KEY_APPS "\":[";
+ static char jsonPerAppFmt[] =
+ "%s\n" // , for all the elements after the first one
+ "{"
+ "\"" APP_INFO_KEY_APP_NAME "\":\"%s\""
+ ","
+ "\"" APP_INFO_KEY_APP_VERSION "\":\"%s\""
+ "}";
+ static char jsonSuffix[] = "]}";
+
+ DynBuf_Init(&dynBuffer);
+
+ tstamp = VMTools_GetTimeAsString();
+
+ len = Str_Snprintf(tmpBuf, sizeof tmpBuf, headerFmt,
+ APP_INFO_VERSION_1,
+ counter,
+ tstamp != NULL ? tstamp : "");
+
+ if (len < 0) {
+ g_warning("Insufficient space for the header.\n");
+ goto abort;
+ }
+
+ DynBuf_Append(&dynBuffer, tmpBuf, len);
+
+ appList = AppInfo_SortAppList(AppInfo_GetAppList());
+
+ for (appNode = appList; appNode != NULL; appNode = appNode->next) {
+ size_t currentBufferSize = DynBuf_GetSize(&dynBuffer);
+ AppInfo *appInfo = (AppInfo *) appNode->data;
+
+ if (appInfo->appName == NULL ||
+ appInfo->version == NULL) {
+ goto next_entry;
+ }
+
+ escapedCmd = EscapeJSONString(appInfo->appName);
+
+ if (NULL == escapedCmd) {
+ g_warning("Failed to escape the content of cmdName\n");
+ goto abort;
+ }
+
+ escapedVersion = EscapeJSONString(appInfo->version);
+ if (NULL == escapedVersion) {
+ g_warning("Failed to escape the content of version information.\n");
+ goto abort;
+ }
+
+ if (appNode == appList) {
+ len = Str_Snprintf(tmpBuf, sizeof tmpBuf, jsonPerAppFmt,
+ "", escapedCmd, escapedVersion);
+ } else {
+ /*
+ * If this is not the first element, then add ',' at the beginning.
+ */
+ len = Str_Snprintf(tmpBuf, sizeof tmpBuf, jsonPerAppFmt,
+ ",", escapedCmd, escapedVersion);
+ }
+
+ if (len < 0) {
+ g_warning("Insufficient space for the application information.\n");
+ goto next_entry;
+ }
+
+ if (currentBufferSize + len + sizeof jsonSuffix > MAX_APP_INFO_SIZE) {
+ g_warning("Exceeded the max info packet size."
+ " Truncating the rest of the applications.\n");
+ break;
+ }
+
+ DynBuf_Append(&dynBuffer, tmpBuf, len);
+
+next_entry:
+ free(escapedCmd);
+ escapedCmd = NULL;
+ free(escapedVersion);
+ escapedVersion = NULL;
+ }
+
+ DynBuf_Append(&dynBuffer, jsonSuffix, sizeof jsonSuffix - 1);
+ SetGuestInfo(ctx, APP_INFO_GUESTVAR_KEY, DynBuf_GetString(&dynBuffer));
+
+abort:
+ free(escapedCmd);
+ free(escapedVersion);
+ AppInfo_DestroyAppList(appList);
+ g_free(tstamp);
+ DynBuf_Destroy(&dynBuffer);
+}
+
+
+/*
+ *****************************************************************************
+ * AppInfoGather --
+ *
+ * Creates a new thread that collects all the desired application related
+ * information and udates the VMX.
+ *
+ * @param[in] data The application context.
+ *
+ * @return TRUE to indicate that the timer should be rescheduled.
+ *
+ *****************************************************************************
+ */
+
+static gboolean
+AppInfoGather(gpointer data)
+{
+ ToolsAppCtx *ctx = data;
+ if (!ToolsCorePool_SubmitTask(ctx, AppInfoGatherTask, NULL, NULL)) {
+ g_warning("%s: failed to start information gather thread\n",
+ __FUNCTION__);
+ }
+
+ return TRUE;
+}
+
+
+/*
+ *****************************************************************************
+ * TweakGatherLoop --
+ *
+ * @brief Start, stop, reconfigure a GuestInfoGather poll loop.
+ *
+ * This function is responsible for creating, manipulating, and resetting a
+ * AppDiscoveryGather loop timeout source.
+ *
+ * @param[in] ctx The app context.
+ * @param[in] enable Whether to enable the gather loop.
+ *
+ *****************************************************************************
+ */
+
+static void
+TweakGatherLoop(ToolsAppCtx *ctx,
+ gboolean enable)
+{
+ gint pollInterval = 0;
+
+ if (enable) {
+ pollInterval = APP_INFO_POLL_INTERVAL * 1000;
+
+ /*
+ * Check the config registry for custom poll interval,
+ * converting from seconds to milliseconds.
+ */
+ if (g_key_file_has_key(ctx->config, CONFGROUPNAME_APPINFO,
+ CONFNAME_APPINFO_POLLINTERVAL, NULL)) {
+ GError *gError = NULL;
+
+ pollInterval = g_key_file_get_integer(ctx->config,
+ CONFGROUPNAME_APPINFO,
+ CONFNAME_APPINFO_POLLINTERVAL,
+ &gError);
+ pollInterval *= 1000;
+
+ if (pollInterval < 0 || gError) {
+ g_warning("Invalid %s.%s value. Using default %us.\n",
+ CONFGROUPNAME_APPINFO,
+ CONFNAME_APPINFO_POLLINTERVAL,
+ APP_INFO_POLL_INTERVAL);
+ pollInterval = APP_INFO_POLL_INTERVAL * 1000;
+ }
+
+ g_clear_error(&gError);
+ }
+ }
+
+ if (appInfoTimeoutSource != NULL) {
+ /*
+ * If the interval hasn't changed, let's not interfere with the existing
+ * timeout source.
+ */
+ if (pollInterval == appInfoPollInterval) {
+ ASSERT(pollInterval);
+ return;
+ }
+
+ /*
+ * Destroy the existing timeout source since the interval has changed.
+ */
+
+ g_source_destroy(appInfoTimeoutSource);
+ appInfoTimeoutSource = NULL;
+ }
+
+ /*
+ * All checks have passed. Create a new timeout source and attach it.
+ */
+ appInfoPollInterval = pollInterval;
+
+ if (appInfoPollInterval) {
+ g_info("New value for %s is %us.\n",
+ CONFNAME_APPINFO_POLLINTERVAL,
+ appInfoPollInterval / 1000);
+
+ appInfoTimeoutSource = g_timeout_source_new(appInfoPollInterval);
+ VMTOOLSAPP_ATTACH_SOURCE(ctx, appInfoTimeoutSource,
+ AppInfoGather, ctx, NULL);
+ g_source_unref(appInfoTimeoutSource);
+ } else {
+ g_info("Poll loop for %s disabled.\n", CONFNAME_APPINFO_POLLINTERVAL);
+ SetGuestInfo(ctx, APP_INFO_GUESTVAR_KEY, "");
+ }
+}
+
+
+/*
+ *****************************************************************************
+ * AppInfoServerConfReload --
+ *
+ * @brief Reconfigures the poll loop interval upon config file reload.
+ *
+ * @param[in] src The source object.
+ * @param[in] ctx The application context.
+ * @param[in] data Unused.
+ *
+ *****************************************************************************
+ */
+
+static void
+AppInfoServerConfReload(gpointer src,
+ ToolsAppCtx *ctx,
+ gpointer data)
+{
+ gboolean disabled =
+ VMTools_ConfigGetBoolean(ctx->config,
+ CONFGROUPNAME_APPINFO,
+ CONFNAME_APPINFO_DISABLED,
+ APP_INFO_CONF_DEFAULT_DISABLED_VALUE);
+ TweakGatherLoop(ctx, !disabled);
+}
+
+
+/*
+ *****************************************************************************
+ * AppInfoServerShutdown --
+ *
+ * Cleanup internal data on shutdown.
+ *
+ * @param[in] src The source object.
+ * @param[in] ctx Unused.
+ * @param[in] data Unused.
+ *
+ *****************************************************************************
+ */
+
+static void
+AppInfoServerShutdown(gpointer src,
+ ToolsAppCtx *ctx,
+ gpointer data)
+{
+ if (appInfoTimeoutSource != NULL) {
+ g_source_destroy(appInfoTimeoutSource);
+ appInfoTimeoutSource = NULL;
+ }
+
+ SetGuestInfo(ctx, APP_INFO_GUESTVAR_KEY, "");
+}
+
+
+/*
+ *****************************************************************************
+ * ToolsOnLoad --
+ *
+ * Plugin entry point. Initializes internal plugin state.
+ *
+ * @param[in] ctx The app context.
+ *
+ * @return The registration data.
+ *
+ *****************************************************************************
+ */
+
+TOOLS_MODULE_EXPORT ToolsPluginData *
+ToolsOnLoad(ToolsAppCtx *ctx)
+{
+ static ToolsPluginData regData = {
+ "appInfo",
+ NULL,
+ NULL
+ };
+
+ uint32 vmxVersion = 0;
+ uint32 vmxType = VMX_TYPE_UNSET;
+
+ /*
+ * Return NULL to disable the plugin if not running in a VMware VM.
+ */
+ if (!ctx->isVMware) {
+ g_info("Not running in a VMware VM.\n");
+ return NULL;
+ }
+
+ /*
+ * Return NULL to disable the plugin if VM is not running on ESX host.
+ */
+ if (!VmCheck_GetVersion(&vmxVersion, &vmxType) ||
+ vmxType != VMX_TYPE_SCALABLE_SERVER) {
+ g_info("VM is not running on ESX host.\n");
+ return NULL;
+ }
+
+ /*
+ * Return NULL to disable the plugin if not running in vmsvc daemon.
+ */
+ if (!TOOLS_IS_MAIN_SERVICE(ctx)) {
+ g_info("Not running in vmsvc daemon: container name='%s'.\n",
+ ctx->name);
+ return NULL;
+ }
+
+ /*
+ * This plugin is useless without an RpcChannel. If we don't have one,
+ * just bail.
+ */
+ if (ctx->rpc != NULL) {
+ ToolsPluginSignalCb sigs[] = {
+ { TOOLS_CORE_SIG_CONF_RELOAD, AppInfoServerConfReload, NULL },
+ { TOOLS_CORE_SIG_SHUTDOWN, AppInfoServerShutdown, NULL }
+ };
+ ToolsAppReg regs[] = {
+ { TOOLS_APP_SIGNALS,
+ VMTools_WrapArray(sigs, sizeof *sigs, ARRAYSIZE(sigs))
+ }
+ };
+
+ gboolean disabled = FALSE;
+
+ regData.regs = VMTools_WrapArray(regs,
+ sizeof *regs,
+ ARRAYSIZE(regs));
+
+ /*
+ * Set up the AppInfo gather loop.
+ */
+ disabled =
+ VMTools_ConfigGetBoolean(ctx->config,
+ CONFGROUPNAME_APPINFO,
+ CONFNAME_APPINFO_DISABLED,
+ APP_INFO_CONF_DEFAULT_DISABLED_VALUE);
+ TweakGatherLoop(ctx, !disabled);
+
+ return &regData;
+ }
+
+ return NULL;
+}
+
+
+/*
+ * END Tools Core Services goodies.
+ *****************************************************************************
+ */
diff --git a/open-vm-tools/services/plugins/appInfo/appInfoInt.h b/open-vm-tools/services/plugins/appInfo/appInfoInt.h
new file mode 100644
index 0000000..1897926
--- /dev/null
+++ b/open-vm-tools/services/plugins/appInfo/appInfoInt.h
@@ -0,0 +1,64 @@
+/*********************************************************
+ * Copyright (C) 2020 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 _APPINFOINT_H_
+#define _APPINFOINT_H_
+
+/**
+ * @file appInfoInt.h
+ *
+ * Header file with few functions that are internal to appInfo plugin.
+ */
+
+#define G_LOG_DOMAIN "appInfo"
+#include "vm_basic_types.h"
+#include <glib.h>
+#include "vmware/tools/plugin.h"
+
+#if defined(_WIN32)
+
+#include <windows.h>
+typedef DWORD AppInfo_Pid;
+
+#else /* POSIX */
+
+#include <sys/types.h>
+typedef pid_t AppInfo_Pid;
+
+#endif
+
+/*
+ * Application information structure.
+ * This holds basic information we return per process
+ * when listing process information inside the guest.
+ */
+
+typedef struct AppInfo {
+ AppInfo_Pid procId;
+ char *appName; // UTF-8
+ char *version;
+#if defined(_WIN32)
+ size_t memoryUsed;
+#endif
+} AppInfo;
+
+GSList *AppInfo_GetAppList(void);
+GSList *AppInfo_SortAppList(GSList *appList);
+
+void AppInfo_DestroyAppList(GSList *appList);
+#endif /* _APPINFOINT_H_ */
diff --git a/open-vm-tools/services/plugins/appInfo/appInfoPosix.c b/open-vm-tools/services/plugins/appInfo/appInfoPosix.c
new file mode 100644
index 0000000..d7b05be
--- /dev/null
+++ b/open-vm-tools/services/plugins/appInfo/appInfoPosix.c
@@ -0,0 +1,124 @@
+/*********************************************************
+ * Copyright (C) 2020 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.
+ *
+ *********************************************************/
+
+/*
+ * appInfoPosix.c --
+ *
+ * Functions to capture the information about running applications inside
+ * a Linux guest.
+ *
+ */
+
+#ifndef __linux__
+# error This file should not be compiled.
+#endif
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "appInfoInt.h"
+#include "procMgr.h"
+#include "vmware.h"
+#include "str.h"
+#include "util.h"
+
+
+/*
+ *----------------------------------------------------------------------
+ * AppInfoGetAppInfo --
+ *
+ * Retrieves the application information for a specified process.
+ *
+ * @param[in] procInfo Information about a process.
+ *
+ * @retval The application information. The caller must free the memory
+ * allocated for the application information.
+ * NULL if any error happens.
+ *
+ *----------------------------------------------------------------------
+ */
+
+AppInfo *
+AppInfoGetAppInfo(ProcMgrProcInfo *procInfo) // IN
+{
+ AppInfo *appInfo = NULL;
+
+ if (procInfo == NULL) {
+ return appInfo;
+ }
+
+ if (procInfo->procCmdName == NULL) {
+ return appInfo;
+ }
+
+ appInfo = Util_SafeMalloc(sizeof (*appInfo) * 1);
+ appInfo->procId = procInfo->procId;
+ appInfo->appName = Util_SafeStrdup(procInfo->procCmdName);
+ appInfo->version = Util_SafeStrdup("");
+
+ return appInfo;
+}
+
+
+/*
+ *----------------------------------------------------------------------
+ * AppInfo_GetAppList --
+ *
+ * Generates the application information list.
+ *
+ * @retval Pointer to the newly allocated application list. The caller must
+ * free the memory using AppInfoDestroyAppList function.
+ * NULL if any error occurs.
+ *
+ *----------------------------------------------------------------------
+ */
+
+GSList *
+AppInfo_GetAppList(void) {
+ GSList *appList = NULL;
+ int i;
+ ProcMgrProcInfoArray *procList = NULL;
+ size_t procCount;
+
+#if defined(_WIN32)
+ procList = ProcMgr_ListProcessesEx();
+#else
+ procList = ProcMgr_ListProcesses();
+#endif
+
+ if (procList == NULL) {
+ g_warning("Failed to get the list of processes.\n");
+ return appList;
+ }
+
+ procCount = ProcMgrProcInfoArray_Count(procList);
+ for (i = 0; i < procCount; i++) {
+ AppInfo *appInfo;
+ ProcMgrProcInfo *procInfo = ProcMgrProcInfoArray_AddressOf(procList, i);
+ appInfo = AppInfoGetAppInfo(procInfo);
+ if (NULL != appInfo) {
+ appList = g_slist_prepend(appList, appInfo);
+ }
+ }
+
+ ProcMgr_FreeProcList(procList);
+
+ return appList;
+}
diff --git a/open-vm-tools/services/plugins/appInfo/appInfoUtil.c b/open-vm-tools/services/plugins/appInfo/appInfoUtil.c
new file mode 100644
index 0000000..f0327ec
--- /dev/null
+++ b/open-vm-tools/services/plugins/appInfo/appInfoUtil.c
@@ -0,0 +1,143 @@
+/*********************************************************
+ * Copyright (C) 2020 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.
+ *
+ *********************************************************/
+
+/*
+ * appInfoUtil.c --
+ *
+ * Utility functions for the application list information.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "appInfoInt.h"
+
+
+/*
+ ******************************************************************************
+ * AppInfoDestroyAppData --
+ *
+ * Free function for application data. This function is called by the glib
+ * for each element in the application list while freeing.
+ *
+ * @param[in] data Pointer to the application data.
+ *
+ * @retval NONE
+ *
+ ******************************************************************************
+ */
+
+void
+AppInfoDestroyAppData(gpointer data) {
+ AppInfo *appInfo = (AppInfo *) data;
+
+ if (appInfo == NULL) {
+ return;
+ }
+
+ free(appInfo->appName);
+ free(appInfo->version);
+ free(appInfo);
+}
+
+
+/*
+ ******************************************************************************
+ * AppInfoDestroyAppList --
+ *
+ * Frees the entire memory allocated for the application list.
+ *
+ * @param[in] appList Pointer to the application list.
+ *
+ * @retval NONE
+ *
+ ******************************************************************************
+ */
+
+void
+AppInfo_DestroyAppList(GSList *appList) {
+ if (appList == NULL) {
+ return;
+ }
+
+ g_slist_free_full(appList, AppInfoDestroyAppData);
+}
+
+
+/*
+ ******************************************************************************
+ * AppInfoCompareApps --
+ *
+ * Compare function used by glib while sorting the application list.
+ * For windows guests, the memory used by the application is used for comparing.
+ * For linux guests, no comparison is done and hence 0 is returned.
+ *
+ * @param[in] a Pointer to the first application that should be compared.
+ * @param[in] b Pointer to the second application that should be compared.
+ *
+ * @retval -1 if a should be kept before b in the sorted list.
+ * 0 if both the elements are same.
+ * 1 if b should be kept before a in the sorted list.
+ *
+ ******************************************************************************
+ */
+
+static gint
+AppInfoCompareApps(gconstpointer a,
+ gconstpointer b) {
+#if defined(_WIN32)
+ if (a != NULL && b != NULL) {
+ size_t aMemory = ((AppInfo *) a)->memoryUsed;
+ size_t bMemory = ((AppInfo *) b)->memoryUsed;
+ if (aMemory < bMemory) {
+ return 1;
+ } else if (aMemory == bMemory) {
+ return 0;
+ } else {
+ return -1;
+ }
+ }
+ return 0;
+#else
+ return 0;
+#endif
+}
+
+
+/*
+ ******************************************************************************
+ * AppInfo_SortAppList --
+ *
+ * Sorts the provided list of applications.
+ *
+ * @param[in] appList List of applications that need to be sorted.
+ *
+ * @retval The sorted list of applications.
+ *
+ ******************************************************************************
+ */
+
+GSList *
+AppInfo_SortAppList(GSList *appList) // IN/OUT
+{
+ if (appList == NULL) {
+ return appList;
+ }
+
+ return g_slist_sort(appList, AppInfoCompareApps);
+}
--
1.8.3.1
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