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plugin.c
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/*
* nProbe - a Netflow v5/v9/IPFIX probe for IPv4/v6
*
* Copyright (C) 2004-14 Luca Deri <deri@ntop.org>
*
* http://www.ntop.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; either version 2 of the License, or
* (at your option) any 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
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "nprobe.h"
#ifdef HAVE_PLUGIN_LICENSE
#include "private/license/license.h"
#endif
/* *********************************************** */
#ifdef MAKE_STATIC_PLUGINS
extern PluginEntryPoint* sipPluginEntryFctn(void);
extern PluginEntryPoint* rtpPluginEntryFctn(void);
extern PluginEntryPoint* dbPluginEntryFctn(void);
#ifdef WIN32
extern PluginEntryPoint* processPluginEntryFctn(void);
#endif
extern PluginEntryPoint* l7BridgePluginEntryFctn(void);
extern PluginEntryPoint* gtpv0PluginEntryFctn(void);
extern PluginEntryPoint* gtpv1PluginEntryFctn(void);
extern PluginEntryPoint* gtpv2PluginEntryFctn(void);
extern PluginEntryPoint* radiusPluginEntryFctn(void);
extern PluginEntryPoint* oraclePluginEntryFctn(void);
extern PluginEntryPoint* httpPluginEntryFctn(void);
extern PluginEntryPoint* smtpPluginEntryFctn(void);
extern PluginEntryPoint* mysqlPluginEntryFctn(void);
extern PluginEntryPoint* bgpPluginEntryFctn(void);
extern PluginEntryPoint* dnsPluginEntryFctn(void);
extern PluginEntryPoint* nflitePluginEntryFctn(void);
extern PluginEntryPoint* radiusPluginEntryFctn(void);
extern PluginEntryPoint* dhcpPluginEntryFctn(void);
#else
#define PLUGIN_DIR_LOCAL "./plugins"
#define PLUGIN_DIR_SYSTEM PREFIX "/lib/nprobe/plugins"
static char *pluginDirs[] = { PLUGIN_DIR_LOCAL,
PLUGIN_DIR_SYSTEM,
NULL };
#endif
/* *********************************************** */
static void loadPlugin(char *dirName, char *pluginName);
/* *********************************************** */
static int plugin_sanity_check(char *name, V9V10TemplateElementId *rc,
char *ref_name, V9V10TemplateElementId *ref_template) {
/* Sanity check */
if(rc != NULL) {
int j = 0;
while(rc[j].templateElementId != 0) {
/* Search the elementId among the standard fields */
int k =0;
while(ref_template[k].templateElementId != 0) {
if(ref_template[k].templateElementId == rc[j].templateElementId) {
traceEvent(TRACE_ERROR, "FATAL ERROR: elementId clash [%s][%d][%s] that conflicts with [%s][%d][%s]",
name, rc[j].templateElementId, rc[j].templateElementDescr,
ref_name, ref_template[k].templateElementId, ref_template[k].templateElementDescr);
return(-1);
} else
k++;
}
j++;
}
}
return(0);
}
/* *********************************************** */
void loadPlugins() {
static u_int8_t done = 0;
#ifndef MAKE_STATIC_PLUGINS
int idp = 0;
#ifndef WIN32
char dirPath[256];
struct dirent* dp;
DIR* directoryPointer=NULL;
#endif
#endif
if(done) return; else done++;
/* ******************************** */
/* Register plugins */
readOnlyGlobals.num_plugins = readOnlyGlobals.num_active_plugins = 0;
#ifdef MAKE_STATIC_PLUGINS
#ifdef ENABLE_PLUGINS
traceEvent(TRACE_INFO, "Initializing static plugins...");
#ifndef USE_SPARROW
loadPlugin(NULL, "sipPlugin");
loadPlugin(NULL, "rtpPlugin");
loadPlugin(NULL, "httpPlugin");
loadPlugin(NULL, "smtpPlugin");
loadPlugin(NULL, "bgpPlugin");
loadPlugin(NULL, "nflitePlugin");
loadPlugin(NULL, "dnsPlugin");
loadPlugin(NULL, "oraclePlugin");
loadPlugin(NULL, "gtpv0Plugin");
loadPlugin(NULL, "gtpv1Plugin");
loadPlugin(NULL, "gtpv2Plugin");
loadPlugin(NULL, "radiusPlugin");
loadPlugin(NULL, "dhcpPlugin");
#ifndef WIN32
/* Win32-only plugins */
loadPlugin(NULL, "processPlugin");
#endif
#endif
loadPlugin(NULL, "dbPlugin");
loadPlugin(NULL, "mysqlPlugin");
#ifdef HAVE_PF_RING
loadPlugin(NULL, "l7BridgePlugin");
#endif
#endif
#else /* MAKE_STATIC_PLUGINS */
traceEvent(TRACE_INFO, "Loading plugins...");
for(idp = 0; pluginDirs[idp] != NULL; idp++) {
snprintf(dirPath, sizeof(dirPath), "%s", pluginDirs[idp]);
directoryPointer = opendir(dirPath);
if(directoryPointer != NULL)
break;
else
traceEvent(TRACE_NORMAL, "No plugins found in %s", dirPath);
}
if(directoryPointer == NULL) {
traceEvent(TRACE_WARNING, "Unable to find plugins directory. nProbe will work without plugins!");
} else {
traceEvent(TRACE_NORMAL, "Loading plugins [%s] from %s", PLUGIN_EXTENSION, dirPath);
while((dp = readdir(directoryPointer)) != NULL) {
char buf[256];
struct stat st;
if(dp->d_name[0] == '.')
continue;
else if((strstr(dp->d_name, "Plugin") == NULL)
|| strcmp(&dp->d_name[strlen(dp->d_name)-strlen(PLUGIN_EXTENSION)], PLUGIN_EXTENSION))
continue;
/*
Check if a plugin with version name exists:
if so we ignore this plugin and load the other one
*/
snprintf(buf, sizeof(buf), "%s/%s", dirPath, dp->d_name);
buf[strlen(buf)-strlen(PLUGIN_EXTENSION)] = '\0';
snprintf(&buf[strlen(buf)], sizeof(buf)-strlen(buf), "-%s%s",
version, PLUGIN_EXTENSION);
if(stat(buf, &st) == 0) {
traceEvent(TRACE_INFO, "Plugin %s also exists: skipping %s/%s",
buf, dirPath, dp->d_name);
} else
loadPlugin(dirPath, dp->d_name);
}
closedir(directoryPointer);
}
#endif /* MAKE_STATIC_PLUGINS */
}
/* *********************************************** */
PluginEntryPoint* get_plugin_info(char *short_name) {
int i = 0;
while((i < MAX_NUM_PLUGINS) && (readOnlyGlobals.all_plugins[i] != NULL)) {
if(readOnlyGlobals.all_plugins[i]->enabled || readOnlyGlobals.all_plugins[i]->always_enabled) {
if(strcmp(readOnlyGlobals.all_plugins[i]->short_name, short_name) == 0) {
return(readOnlyGlobals.all_plugins[i]);
}
}
i++;
}
return(NULL);
}
/* *********************************************** */
void initPlugins() {
int i;
loadPlugins();
readOnlyGlobals.numDeleteFlowFctn = readOnlyGlobals.numPacketFlowFctn = 0;
i = 0;
while((i < MAX_NUM_PLUGINS) && (readOnlyGlobals.all_plugins[i] != NULL)) {
if(readOnlyGlobals.all_plugins[i]->enabled || readOnlyGlobals.all_plugins[i]->always_enabled) {
/* traceEvent(TRACE_INFO, "-> %s", readOnlyGlobals.all_plugins[i]->name); */
if(readOnlyGlobals.all_plugins[i]->initFctn != NULL) readOnlyGlobals.all_plugins[i]->initFctn(readOnlyGlobals.argc, readOnlyGlobals.argv);
if(readOnlyGlobals.all_plugins[i]->deleteFlowFctn != NULL) readOnlyGlobals.numDeleteFlowFctn++;
if(readOnlyGlobals.all_plugins[i]->packetFlowFctn != NULL) readOnlyGlobals.numPacketFlowFctn++;
}
i++;
}
traceEvent(TRACE_INFO, "%d plugin(s) loaded [%d delete][%d packet].",
i, readOnlyGlobals.numDeleteFlowFctn,
readOnlyGlobals.numPacketFlowFctn);
}
/* *********************************************** */
static void unloadPlugins() {
#ifndef WIN32
int i = 0;
while(readOnlyGlobals.pluginDlopenHandle[i] != NULL) {
dlclose(readOnlyGlobals.pluginDlopenHandle[i]);
i++;
}
#endif
}
/* *********************************************** */
const struct option* buildCLIOptions() {
return(NULL);
}
/* *********************************************** */
void termPlugins() {
int i;
traceEvent(TRACE_INFO, "Terminating plugins.");
i = 0;
while((i < MAX_NUM_PLUGINS) && (readOnlyGlobals.all_plugins[i] != NULL)) {
if(readOnlyGlobals.all_plugins[i]->enabled && readOnlyGlobals.all_plugins[i]->termFctn) {
traceEvent(TRACE_INFO, "Terminating %s", readOnlyGlobals.all_plugins[i]->name);
readOnlyGlobals.all_plugins[i]->termFctn();
}
i++;
}
unloadPlugins();
}
/* *********************************************** */
void dumpPluginStats(u_int timeDifference) {
int i = 0;
while((i < MAX_NUM_PLUGINS) && (readOnlyGlobals.all_plugins[i] != NULL)) {
if(readOnlyGlobals.all_plugins[i]->enabled && readOnlyGlobals.all_plugins[i]->pluginStatsFctn) {
readOnlyGlobals.all_plugins[i]->pluginStatsFctn();
}
i++;
}
}
/* *********************************************** */
void dumpPluginTemplates() {
int i = 0;
while(readOnlyGlobals.all_plugins[i] != NULL) {
V9V10TemplateElementId *templates = readOnlyGlobals.all_plugins[i]->pluginFlowConf();
if(templates && (templates[0].netflowElementName != NULL)) {
printf("\nPlugin %s templates:\n", readOnlyGlobals.all_plugins[i]->name);
printTemplateInfo(templates, 0);
}
i++;
}
}
/* *********************************************** */
void dumpPluginHelp() {
int i = 0;
while(readOnlyGlobals.all_plugins[i] != NULL) {
if(readOnlyGlobals.all_plugins[i]->helpFctn) {
printf("[%s]\n", readOnlyGlobals.all_plugins[i]->name);
readOnlyGlobals.all_plugins[i]->helpFctn();
printf("\n");
}
i++;
}
}
/* *********************************************** */
void dumpPluginFamilies() {
int i = 0;
while(readOnlyGlobals.all_plugins[i] != NULL) {
printf("%s\t%s\n",
readOnlyGlobals.all_plugins[i]->family ? readOnlyGlobals.all_plugins[i]->family : readOnlyGlobals.all_plugins[i]->short_name,
readOnlyGlobals.all_plugins[i]->name
);
i++;
}
}
/* *********************************************** */
void pluginCallback(u_char callbackType,
int packet_if_idx /* -1 = unknown */,
FlowHashBucket* bkt,
FlowDirection direction,
u_int16_t ip_offset, u_short proto, u_char isFragment,
u_short numPkts, u_char tos,
u_int8_t retransmitted_pkt,
u_short vlanId, struct eth_header *ehdr,
IpAddress *src, u_short sport,
IpAddress *dst, u_short dport,
u_int len, u_int8_t flags,
u_int32_t tcpSeqNum, u_int8_t icmpType,
u_short numMplsLabels,
u_char mplsLabels[MAX_NUM_MPLS_LABELS][MPLS_LABEL_LEN],
const struct pcap_pkthdr *h, const u_char *p,
u_char *payload, int payloadLen) {
int i = 0;
if(readOnlyGlobals.num_active_plugins == 0) return;
switch(callbackType) {
case CREATE_FLOW_CALLBACK:
while(readOnlyGlobals.all_active_plugins[i] != NULL) {
if((readOnlyGlobals.all_active_plugins[i]->enabled)
&& (readOnlyGlobals.all_active_plugins[i]->packetFlowFctn != NULL)) {
readOnlyGlobals.all_active_plugins[i]->packetFlowFctn(1 /* new flow */,
packet_if_idx,
NULL, bkt,
direction,
ip_offset, proto, isFragment,
numPkts, tos, retransmitted_pkt,
vlanId, ehdr,
src, sport,
dst, dport,
len, flags, tcpSeqNum, icmpType,
numMplsLabels,
mplsLabels,
h, p, payload, payloadLen);
}
i++;
}
break;
case DELETE_FLOW_CALLBACK:
if(bkt->ext && bkt->ext->plugin) {
PluginInformation *plugin = bkt->ext->plugin, *next;
while(plugin != NULL) {
if(plugin->pluginPtr == NULL)
break;
else if(plugin->pluginPtr->deleteFlowFctn != NULL) {
plugin->pluginPtr->deleteFlowFctn(bkt, plugin->pluginData);
next = plugin->next;
free(plugin);
bkt->ext->plugin = next;
plugin = next;
} else
plugin = plugin->next;
}
bkt->ext->plugin = NULL;
}
break;
case PACKET_CALLBACK:
if(bkt->ext && bkt->ext->plugin) {
PluginInformation *plugin = bkt->ext->plugin;
while(plugin != NULL) {
if(plugin->pluginPtr == NULL)
break;
else if((plugin->plugin_used == 1)
&& (plugin->pluginPtr->packetFlowFctn != NULL)
&& plugin->pluginPtr->call_packetFlowFctn_for_each_packet) {
plugin->pluginPtr->packetFlowFctn(0 /* existing flow */,
packet_if_idx,
plugin->pluginData,
bkt, direction,
ip_offset, proto, isFragment,
numPkts, tos, retransmitted_pkt,
vlanId, ehdr,
src, sport,
dst, dport,
len, flags, tcpSeqNum, icmpType,
numMplsLabels,
mplsLabels,
h, p, payload, payloadLen);
}
/*
We stop as soon as we have found a plugin that matches this flow
Remove the statement below for having multi-plugin matching
*/
if(bkt->ext->plugin != NULL)
break;
plugin = plugin->next;
}
}
break;
default:
return; /* Unknown callback */
}
}
/* *********************************************** */
V9V10TemplateElementId* getPluginTemplate(char* template_name, PluginEntryPoint **plugin) {
int i=0;
while(readOnlyGlobals.all_plugins[i] != NULL) {
if(readOnlyGlobals.all_plugins[i]->getTemplateFctn != NULL) {
V9V10TemplateElementId *rc = readOnlyGlobals.all_plugins[i]->getTemplateFctn(template_name);
if(rc != NULL) {
*plugin = readOnlyGlobals.all_plugins[i];
return(rc);
}
}
i++;
}
return(NULL); /* Unknown */
}
/* *********************************************** */
char* expandPluginTemplate(char** template_name) {
int i=0;
while(readOnlyGlobals.all_plugins[i] != NULL) {
if(readOnlyGlobals.all_plugins[i]->templateShortcut != NULL) {
char *rc = readOnlyGlobals.all_plugins[i]->templateShortcut(*template_name);
if(rc != NULL) {
*template_name = rc;
return(rc);
}
}
i++;
}
return(*template_name);
}
/* *********************************************** */
int checkPluginExport(V9V10TemplateElementId *theTemplate, /* Template being export */
FlowDirection direction, /* 0 = src->dst, 1 = dst->src */
FlowHashBucket *bkt, /* The flow bucket being export */
char *outBuffer, /* Buffer where data will be exported */
uint *outBufferBegin, /* Index of the slot (0..outBufferMax) where data will be insert */
uint *outBufferMax /* Length of outBuffer */) {
if(bkt->ext && bkt->ext->plugin) {
PluginInformation *plugin = bkt->ext->plugin;
while(plugin != NULL) {
if(plugin->pluginPtr == NULL)
break;
else if(plugin->pluginPtr->pluginExportFctn != NULL) {
int rc = plugin->pluginPtr->pluginExportFctn(plugin->pluginData, theTemplate, direction, bkt,
outBuffer, outBufferBegin, outBufferMax);
if(rc == 0) return(0);
}
plugin = plugin->next;
}
}
return(-1); /* Not handled */
}
/* *********************************************** */
int checkPluginPrint(V9V10TemplateElementId *theTemplate,
FlowDirection direction,
FlowHashBucket *bkt, char *line_buffer, uint line_buffer_len,
u_int8_t json_mode) {
if(bkt->ext->plugin != NULL) {
PluginInformation *plugin = bkt->ext->plugin;
while(plugin != NULL) {
if(plugin->pluginPtr == NULL)
break;
else if(plugin->pluginPtr->pluginPrintFctn != NULL) {
u_int8_t is_string = 0;
int rc = plugin->pluginPtr->pluginPrintFctn(plugin->pluginData, theTemplate,
direction, bkt,
line_buffer, line_buffer_len,
json_mode, &is_string);
if(rc >= 0) {
if(json_mode && is_string) {
/* We need to escape the value */
char out_buffer[1024];
int i, out = 0;
if(line_buffer[0] != '\"') out_buffer[out++] = '"';
for(i=0; i<rc; i++) {
if(line_buffer[i] == '"') {
out_buffer[out++] = '\\';
out_buffer[out++] = '"';
} else
out_buffer[out++] = line_buffer[i];
}
if(line_buffer[0] != '\"') out_buffer[out++] = '"';
out_buffer[out] = '\0';
rc = snprintf(line_buffer, line_buffer_len, "%s", out_buffer);
}
return(rc);
}
}
plugin = plugin->next;
}
}
return(-1); /* Not handled */
}
/* *********************************************** */
static void loadPlugin(char *dirName, char *pluginName) {
char pluginPath[256];
PluginEntryPoint* pluginInfo;
#ifndef MAKE_STATIC_PLUGINS
#ifndef WIN32
void *pluginPtr = NULL;
void *pluginEntryFctnPtr;
PluginEntryPoint* (*pluginJumpFunc)(void);
#endif
#endif
int i;
snprintf(pluginPath, sizeof(pluginPath), "%s/%s", dirName != NULL ? dirName : ".", pluginName);
#ifndef MAKE_STATIC_PLUGINS
pluginPtr = (void*)dlopen(pluginPath, RTLD_NOW /* RTLD_LAZY */); /* Load the library */
if(pluginPtr == NULL) {
traceEvent(TRACE_WARNING, "Unable to load plugin '%s'", pluginPath);
traceEvent(TRACE_WARNING, "Message is '%s'", dlerror());
return;
} else
traceEvent(TRACE_INFO, "Loaded '%s'", pluginPath);
pluginEntryFctnPtr = (void*)dlsym(pluginPtr, "PluginEntryFctn");
if(pluginEntryFctnPtr == NULL) {
#ifdef WIN32
traceEvent(TRACE_WARNING, "Unable to locate plugin '%s' entry function [%li]",
pluginPath, GetLastError());
#else
traceEvent(TRACE_WARNING, "Unable to locate plugin '%s' entry function [%s]",
pluginPath, dlerror());
#endif /* WIN32 */
return;
}
pluginJumpFunc = (PluginEntryPoint*(*)(void))pluginEntryFctnPtr;
pluginInfo = pluginJumpFunc();
#else /* MAKE_STATIC_PLUGINS */
if(strcmp(pluginName, "sipPlugin") == 0)
pluginInfo = sipPluginEntryFctn();
else if(strcmp(pluginName, "rtpPlugin") == 0)
pluginInfo = rtpPluginEntryFctn();
else if(strcmp(pluginName, "httpPlugin") == 0)
pluginInfo = httpPluginEntryFctn();
else if(strcmp(pluginName, "smtpPlugin") == 0)
pluginInfo = smtpPluginEntryFctn();
else if(strcmp(pluginName, "dbPlugin") == 0)
pluginInfo = dbPluginEntryFctn();
else if(strcmp(pluginName, "bgpPlugin") == 0)
pluginInfo = bgpPluginEntryFctn();
else if(strcmp(pluginName, "nflitePlugin") == 0)
pluginInfo = nflitePluginEntryFctn();
else if(strcmp(pluginName, "dnsPlugin") == 0)
pluginInfo = dnsPluginEntryFctn();
else if(strcmp(pluginName, "mysqlPlugin") == 0)
pluginInfo = mysqlPluginEntryFctn();
else if(strcmp(pluginName, "gtpv0Plugin") == 0)
pluginInfo = gtpv0PluginEntryFctn();
else if(strcmp(pluginName, "gtpv1Plugin") == 0)
pluginInfo = gtpv1PluginEntryFctn();
else if(strcmp(pluginName, "gtpv2Plugin") == 0)
pluginInfo = gtpv2PluginEntryFctn();
else if(strcmp(pluginName, "radiusPlugin") == 0)
pluginInfo = radiusPluginEntryFctn();
else if(strcmp(pluginName, "dhcpPlugin") == 0)
pluginInfo = dhcpPluginEntryFctn();
else if(strcmp(pluginName, "oraclePlugin") == 0)
pluginInfo = oraclePluginEntryFctn();
#ifdef HAVE_PF_RING
else if(strcmp(pluginName, "l7BridgePlugin") == 0)
pluginInfo = l7BridgePluginEntryFctn();
#endif
#ifndef WIN32
else if(strcmp(pluginName, "processPlugin") == 0)
pluginInfo = processPluginEntryFctn();
#endif
else {
pluginInfo = NULL;
traceEvent(TRACE_WARNING, "Missing entrypoint for plugin '%s'", pluginName);
}
#endif /* MAKE_STATIC_PLUGINS */
if(pluginInfo != NULL) {
if(strcmp(pluginInfo->nprobe_revision, nprobe_revision)) {
traceEvent(TRACE_WARNING, "Plugin %s (%s/%s) version mismatch [loaded=%s][expected=%s]: %s",
pluginInfo->name, dirName, pluginName,
pluginInfo->nprobe_revision, nprobe_revision,
readOnlyGlobals.ignore_plugin_revision_mismatch ? "ignored" : "discarded");
if(!readOnlyGlobals.ignore_plugin_revision_mismatch)
return;
}
if(plugin_sanity_check(pluginInfo->name, pluginInfo->pluginFlowConf(),
"standard templates", ver9_templates) == -1) {
traceEvent(TRACE_WARNING, "Plugin %s/%s will be ignored", dirName, pluginName);
} else {
int rc = 0;
for(i=0; i<readOnlyGlobals.num_plugins; i++) {
rc = plugin_sanity_check(pluginInfo->name, pluginInfo->pluginFlowConf(),
readOnlyGlobals.all_plugins[i]->name,
readOnlyGlobals.all_plugins[i]->pluginFlowConf());
if(rc != 0) break;
}
if(rc == 0) {
#if defined(HAVE_PLUGIN_LICENSE)
if((!readOnlyGlobals.demo_mode) && (!readOnlyGlobals.help_mode)) {
if(pluginInfo->need_license == PLUGIN_NEED_LICENSE) {
char out_buf[512], license_path[256], *sysId = getSystemId();
time_t until_then;
pluginInfo->pro_version = 0; /* Default */
snprintf(license_path, sizeof(license_path), "%s%s.%s",
#ifndef WIN32
"/etc/",
#else
"",
#endif
LICENSE_FILE_NAME,
pluginInfo->family ? pluginInfo->family : pluginInfo->short_name);
if(verify_license(version, pluginInfo->family ? pluginInfo->family : pluginInfo->short_name,
sysId, license_path, 5, out_buf, sizeof(out_buf), &until_then) != 0) {
/* Last resort: let's check the pro version */
if(pluginInfo->pro_family) {
snprintf(license_path, sizeof(license_path), "%s%s.%s",
#ifndef WIN32
"/etc/",
#else
"",
#endif
LICENSE_FILE_NAME, pluginInfo->pro_family);
if(verify_license(version, pluginInfo->pro_family,
sysId, license_path, 5, out_buf, sizeof(out_buf), &until_then) != 0) {
goto no_plugin_license;
} else
pluginInfo->pro_version = 1;
} else {
no_plugin_license:
traceEvent(TRACE_NORMAL, "Unable to enable plugin %s: missing license [%s]",
pluginInfo->name, license_path);
pluginInfo = NULL;
}
}
free(sysId);
}
}
#endif /* HAVE_PLUGIN_LICENSE */
if(pluginInfo != NULL) {
#if !defined(WIN32) && !defined(MAKE_STATIC_PLUGINS)
readOnlyGlobals.pluginDlopenHandle[readOnlyGlobals.num_plugins] = pluginPtr;
#endif
readOnlyGlobals.all_plugins[readOnlyGlobals.num_plugins] = pluginInfo; /* FIX : add PluginEntryPoint to the list */
readOnlyGlobals.num_plugins++;
}
} else {
traceEvent(TRACE_WARNING, "Plugin %s/%s will be ignored", dirName, pluginName);
}
}
}
}
/* *************************** */
void enablePlugins() {
int i = 0, found = 0;
while(readOnlyGlobals.all_plugins[i] != NULL) {
if((readOnlyGlobals.stringTemplateV4 == NULL)
&& (readOnlyGlobals.flowDumpFormat == NULL))
found = 0;
else {
if(readOnlyGlobals.all_plugins[i]->enabled && (!readOnlyGlobals.all_plugins[i]->always_enabled)) {
V9V10TemplateElementId *templates = readOnlyGlobals.all_plugins[i]->pluginFlowConf();
found = 0;
if(templates && (templates[0].netflowElementName != NULL)) {
int j = 0;
#if 0
if(unlikely(readOnlyGlobals.enable_debug)) {
for(j=0; templates[j].netflowElementName != NULL; j++)
traceEvent(TRACE_NORMAL, "%s", templates[j].netflowElementName);
j = 0;
}
#endif
while(templates[j].netflowElementName != NULL) {
if((!templates[j].isOptionTemplate)
&& (readOnlyGlobals.baseTemplateBufferV4
&& (((strstr(readOnlyGlobals.baseTemplateBufferV4, templates[j].netflowElementName) != NULL)
|| ((templates[j].ipfixElementName[0] != '\0') && strstr(readOnlyGlobals.baseTemplateBufferV4, templates[j].ipfixElementName)))
|| (readOnlyGlobals.flowDumpFormat && (strstr(readOnlyGlobals.flowDumpFormat, templates[j].netflowElementName)
|| ((templates[j].ipfixElementName[0] != '\0') && strstr(readOnlyGlobals.flowDumpFormat, templates[j].ipfixElementName))))))) {
found = 1;
break;
}
j++;
}
}
}
}
if((!found)
&& (!readOnlyGlobals.all_plugins[i]->always_enabled)) {
traceEvent(TRACE_INFO, "Disabling plugin %s (no template is using it)",
readOnlyGlobals.all_plugins[i]->name);
readOnlyGlobals.all_plugins[i]->enabled = 0;
} else {
traceEvent(TRACE_NORMAL, "Enabling plugin %s", readOnlyGlobals.all_plugins[i]->name);
readOnlyGlobals.all_plugins[i]->enabled = 1;
}
i++;
}
}
/* *************************** */
void setupPlugins() {
int i = 0;
while(readOnlyGlobals.all_plugins[i] != NULL) {
if(readOnlyGlobals.all_plugins[i]->enabled
&& (readOnlyGlobals.all_plugins[i]->setupFctn != NULL)) {
readOnlyGlobals.all_plugins[i]->setupFctn();
}
i++;
}
}
/* *************************** */
void buildActivePluginsList(V9V10TemplateElementId *template_element_list[]) {
int plugin_idx = 0;
readOnlyGlobals.num_active_plugins = 0;
while(readOnlyGlobals.all_plugins[plugin_idx] != NULL) {
u_int8_t is_http = 0, is_dns = 0, is_mysql = 0, is_sip = 0, is_oracle = 0,
is_gtp = 0, is_l7 = 0, is_radius = 0, is_imap = 0, is_smtp = 0, is_pop = 0,
is_diameter = 0, is_whois = 0, is_dhcp = 0, is_ftp = 0, is_process = 0;
traceEvent(TRACE_INFO, "Scanning plugin %s", readOnlyGlobals.all_plugins[plugin_idx]->name);
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "http")) {
is_http = 1;
if(readOnlyGlobals.enableHttpPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "dns")) {
is_dns = 1;
if(readOnlyGlobals.enableDnsPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "gtp")) {
is_gtp = 1;
if(readOnlyGlobals.enableGtpPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "radius")) {
is_radius = 1;
if(readOnlyGlobals.enableRadiusPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "diameter")) {
is_diameter = 1;
if(readOnlyGlobals.enableDiameterPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "smtp")) {
is_smtp = 1;
if(readOnlyGlobals.enableSmtpPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "pop")) {
is_pop = 1;
if(readOnlyGlobals.enablePopPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "imap")) {
is_imap = 1;
if(readOnlyGlobals.enableImapPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "mysql")) {
is_mysql = 1;
if(readOnlyGlobals.enableMySQLPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "oracle")) {
is_oracle = 1;
if(readOnlyGlobals.enableOraclePlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "dhcp")) {
is_dhcp = 1;
if(readOnlyGlobals.enableDhcpPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "ftp")) {
is_ftp = 1;
if(readOnlyGlobals.enableFtpPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "sip")) {
is_sip = 1;
if(readOnlyGlobals.enableSipPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "l7")) {
is_l7 = 1;
if(readOnlyGlobals.enableL7BridgePlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(strcasestr(readOnlyGlobals.all_plugins[plugin_idx]->name, "process")) {
is_process = 1;
if(readOnlyGlobals.enableProcessPlugin)
readOnlyGlobals.all_plugins[plugin_idx]->always_enabled = 1;
}
if(readOnlyGlobals.all_plugins[plugin_idx]->always_enabled) {
readOnlyGlobals.all_active_plugins[readOnlyGlobals.num_active_plugins++] = readOnlyGlobals.all_plugins[plugin_idx];
} else if(readOnlyGlobals.all_plugins[plugin_idx]->getTemplateFctn != NULL) {
int j;
j = 0;
while(template_element_list[j] != NULL) {
/* traceEvent(TRACE_INFO, "Searching for: %s", (char*)template_element_list[j]->netflowElementName); */
if(readOnlyGlobals.all_plugins[plugin_idx]->getTemplateFctn((char*)template_element_list[j]->netflowElementName)) {
readOnlyGlobals.all_active_plugins[readOnlyGlobals.num_active_plugins++] = readOnlyGlobals.all_plugins[plugin_idx];
if(is_dns) readOnlyGlobals.enableDnsPlugin = 1;
else if(is_gtp) readOnlyGlobals.enableGtpPlugin = 1;
else if(is_radius) readOnlyGlobals.enableRadiusPlugin = 1;
else if(is_diameter) readOnlyGlobals.enableDiameterPlugin = 1;
else if(is_http) readOnlyGlobals.enableHttpPlugin = 1;
else if(is_l7) readOnlyGlobals.enableL7BridgePlugin = 1;
else if(is_mysql) readOnlyGlobals.enableMySQLPlugin = 1;
else if(is_oracle) readOnlyGlobals.enableOraclePlugin = 1;
else if(is_whois) readOnlyGlobals.enableWhoisPlugin = 1;
else if(is_dhcp) readOnlyGlobals.enableDhcpPlugin = 1;
else if(is_ftp) readOnlyGlobals.enableFtpPlugin = 1;
else if(is_process) readOnlyGlobals.enableProcessPlugin = 1;
else if(is_sip) readOnlyGlobals.enableSipPlugin = 1;
else if(is_smtp) readOnlyGlobals.enableSmtpPlugin = 1;
else if(is_imap) readOnlyGlobals.enableImapPlugin = 1;
else if(is_pop) readOnlyGlobals.enablePopPlugin = 1;
traceEvent(TRACE_INFO, "Enabling plugin %s", readOnlyGlobals.all_plugins[plugin_idx]->name);
break;
}
j++;
}
}
plugin_idx++;
}
readOnlyGlobals.all_active_plugins[readOnlyGlobals.num_active_plugins] = NULL;
traceEvent(TRACE_NORMAL, "%d plugin(s) enabled", readOnlyGlobals.num_active_plugins);
}
/* ******************************************** */
char* dumpformat2ascii(ElementDumpFormat fileDumpFormat) {
switch(fileDumpFormat) {
case dump_as_uint: return("uint");
case dump_as_formatted_uint: return("formatted_uint");
case dump_as_ip_port: return("ip_port");
case dump_as_ip_proto: return("ip_proto");
case dump_as_ipv4_address: return("ipv4_address");
case dump_as_ipv6_address: return("ipv6_address");
case dump_as_mac_address: return("mac_address");
case dump_as_epoch: return("epoch");
case dump_as_bool: return("bool");
case dump_as_tcp_flags: return("tcp_flags");
case dump_as_hex: return("hex");
case dump_as_ascii: return("ascii");
default: return("hex"); /* It should not happen ! */
}
}
/* ******************************************** */
static void printTemplateMetadata(FILE *file, V9V10TemplateElementId *templates) {
int j = 0;
while(templates[j].netflowElementName != NULL) {
if((!templates[j].isOptionTemplate)
// && (templates[j].templateElementId < 0xA0)
)
fprintf(file, "%s\t%d\t%s\t%s\n",