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webInterface.c
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/*
* Copyright (C) 1998-2012 Luca Deri <[email protected]>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "ntop.h"
#include "globals-report.h"
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
#ifndef WIN32
#include <pwd.h>
#endif
#ifdef PARM_USE_COLOR
static short alternateColor=0;
#endif
/* Forward */
static void handleSingleWebConnection(fd_set *fdmask);
/* **************************************** */
#if(defined(HAVE_DIRENT_H) && defined(HAVE_DLFCN_H)) || defined(WIN32) || defined(DARWIN)
void showPluginsList(char* pluginName) {
FlowFilterList *flows = myGlobals.flowsList;
short doPrintHeader = 0, status_found = 0;
char tmpBuf[LEN_GENERAL_WORK_BUFFER], *thePlugin, tmpBuf1[LEN_GENERAL_WORK_BUFFER];
int newPluginStatus = 0, rc=0;
if(pluginName[0] != '\0') {
int i;
thePlugin = pluginName;
for(i=0; pluginName[i] != '\0'; i++)
if(pluginName[i] == '=') {
pluginName[i] = '\0';
newPluginStatus = atoi(&pluginName[i+1]);
status_found = 1;
break;
}
} else
thePlugin = NULL;
while(flows != NULL) {
if((flows->pluginStatus.pluginPtr != NULL)
&& (flows->pluginStatus.pluginPtr->pluginURLname != NULL)) {
if(thePlugin
&& (strcmp(flows->pluginStatus.pluginPtr->pluginURLname, thePlugin) == 0)
&& (flows->pluginStatus.activePlugin != newPluginStatus)) {
char key[64];
if(status_found) {
if(newPluginStatus == 0 /* disabled */) {
if(flows->pluginStatus.pluginPtr->termFunct != NULL)
flows->pluginStatus.pluginPtr->termFunct(0 /* term plugin */);
} else {
if(flows->pluginStatus.pluginPtr->startFunct != NULL)
rc = flows->pluginStatus.pluginPtr->startFunct();
if(rc || (flows->pluginStatus.pluginPtr->pluginStatusMessage != NULL))
newPluginStatus = 0 /* Disabled */;
}
flows->pluginStatus.activePlugin = newPluginStatus;
safe_snprintf(__FILE__, __LINE__, key, sizeof(key), "pluginStatus.%s",
flows->pluginStatus.pluginPtr->pluginName);
storePrefsValue(key, newPluginStatus ? "1" : "0");
}
}
}
if(!thePlugin || (strcmp(flows->pluginStatus.pluginPtr->pluginURLname, thePlugin) == 0)) {
if(doPrintHeader == 0) {
printHTMLheader(thePlugin == NULL ? "Available Plugins" : thePlugin, NULL, 0);
sendString("<CENTER>\n"
""TABLE_ON"<TABLE BORDER=1 "TABLE_DEFAULTS">\n"
"<TR "DARK_BG"><TH "TH_BG">View</TH><TH "TH_BG">Configure</TH>\n"
"<TH "TH_BG">Description</TH>\n"
"<TH "TH_BG">Version</TH><TH "TH_BG">Author</TH>\n"
"<TH "TH_BG">Active<br>[click to toggle]</TH>"
"</TR>\n");
doPrintHeader = 1;
}
safe_snprintf(__FILE__, __LINE__, tmpBuf1, sizeof(tmpBuf1),
"<A HREF=\"/plugins/%s\" class=tooltip title=\"Invoke plugin\">%s</A>",
flows->pluginStatus.pluginPtr->pluginURLname, flows->pluginStatus.pluginPtr->pluginURLname);
safe_snprintf(__FILE__, __LINE__, tmpBuf, sizeof(tmpBuf), "<TR "TR_ON" %s><TH "TH_BG" align=\"left\" %s>",
getRowColor(),
flows->pluginStatus.pluginPtr->pluginStatusMessage != NULL ?
"rowspan=\"2\"" :
"");
sendString(tmpBuf);
if(flows->pluginStatus.pluginPtr->inactiveSetup) {
sendString(" </TH>\n");
} else {
safe_snprintf(__FILE__, __LINE__, tmpBuf, sizeof(tmpBuf), "%s</TH>\n",
flows->pluginStatus.activePlugin ?
tmpBuf1 : flows->pluginStatus.pluginPtr->pluginURLname);
sendString(tmpBuf);
}
safe_snprintf(__FILE__, __LINE__, tmpBuf, sizeof(tmpBuf), "<TH "TH_BG" align=\"left\" %s>",
flows->pluginStatus.pluginPtr->pluginStatusMessage != NULL ?
"rowspan=\"2\"" :
"");
sendString(tmpBuf);
if(flows->pluginStatus.pluginPtr->inactiveSetup) {
safe_snprintf(__FILE__, __LINE__, tmpBuf, sizeof(tmpBuf), "%s</TH>\n", tmpBuf1);
sendString(tmpBuf);
} else {
sendString(" </TH>\n");
}
if(flows->pluginStatus.pluginPtr->pluginStatusMessage != NULL) {
safe_snprintf(__FILE__, __LINE__, tmpBuf, sizeof(tmpBuf),
"<TD colspan=\"4\"><font COLOR=\"#FF0000\">%s</font></TD></TR>\n<TR "TR_ON" %s>\n",
flows->pluginStatus.pluginPtr->pluginStatusMessage,
getRowColor());
sendString(tmpBuf);
}
safe_snprintf(__FILE__, __LINE__, tmpBuf, sizeof(tmpBuf), "<TD "TD_BG" align=\"left\">%s</TD>\n"
"<TD "TD_BG" ALIGN=CENTER>%s</TD>\n"
"<TD "TD_BG" align=\"left\">%s</TD>\n"
"<TD "TD_BG" ALIGN=CENTER><A HREF=\"" CONST_SHOW_PLUGINS_HTML "?%s=%d\">%s</A></TD>"
"</TR>\n",
flows->pluginStatus.pluginPtr->pluginDescr,
flows->pluginStatus.pluginPtr->pluginVersion,
flows->pluginStatus.pluginPtr->pluginAuthor,
flows->pluginStatus.pluginPtr->pluginURLname,
flows->pluginStatus.activePlugin ? 0: 1,
flows->pluginStatus.activePlugin ?
"Yes" : "<FONT COLOR=\"#FF0000\">No</FONT>");
sendString(tmpBuf);
}
flows = flows->next;
} /* while */
if(!doPrintHeader) {
printHTMLheader("No Plugins available", NULL, 0);
} else {
sendString("</TABLE>"TABLE_OFF"<p>\n");
sendString("</CENTER>\n");
}
}
#else /* defined(HAVE_DIRENT_H) && defined(HAVE_DLFCN_H) */
void showPluginsList(char* pluginName) {
;
}
void loadPlugins(void) {
;
}
void unloadPlugins(void) {
;
}
#endif /* defined(HAVE_DIRENT_H) && defined(HAVE_DLFCN_H) */
/* ******************************* */
char* makeHostAgeStyleSpec(HostTraffic *el, char *buf, int bufSize) {
int age;
/* return(""); */
if(myGlobals.actTime - el->firstSeen > 60*60)
age = 60;
else if(myGlobals.actTime - el->firstSeen > 30*60)
age = 30;
else if(myGlobals.actTime - el->firstSeen > 15*60)
age = 15;
else if(myGlobals.actTime - el->firstSeen > 5*60)
age = 5;
else
age = 0;
safe_snprintf(__FILE__, __LINE__, buf, bufSize, "class=\"age%dmin\"", age);
return(buf);
}
/* ******************************* */
static void copyShortHostName(char* buf, u_int buf_len, char *name) {
u_int max_len = 20, len = strlen(name);
if(len > (max_len+4)) {
safe_snprintf(__FILE__, __LINE__,
buf, buf_len, "%c%c%c%c...%s",
name[0], name[1], name[2], name[3],
&name[len-max_len]);
} else
safe_snprintf(__FILE__, __LINE__, buf, buf_len, "%s", name);
/* traceEvent(CONST_TRACE_WARNING, "--> [%s][%s]\n", name, buf); */
}
/* ******************************* */
char* makeHostLink(HostTraffic *el, short mode,
short cutName, short addCountryFlag, char *buf, int bufLen) {
char symIp[256], linkName[256], flag[256], colorSpec[64], vlanStr[8], mapStr[1024];
char osBuf[128], titleBuf[256], noteBuf[256], noteBufAppend[64], tooltip[256], httpFavico[256];
char *dhcpBootpStr, *p2pStr, *multihomedStr, *multivlanedStr, *gwStr, *brStr, *dnsStr, *printStr,
*smtpStr, *healthStr, *userStr, *httpStr, *ntpStr, *voipHostStr, custom_host_name[128];
short usedEthAddress=0;
int i;
if(el == NULL)
return(" ");
/* Read custom host name from cache */
safe_snprintf(__FILE__, __LINE__, symIp, sizeof(symIp), "hostname.%s",
(el->hostNumIpAddress[0] != '\0') ? el->hostNumIpAddress : el->ethAddressString);
if(fetchPrefsValue(symIp, custom_host_name, sizeof(custom_host_name)) == -1)
custom_host_name[0] = '\0';
memset(&symIp, 0, sizeof(symIp));
memset(&linkName, 0, sizeof(linkName));
memset(&flag, 0, sizeof(flag));
memset(&colorSpec, 0, sizeof(colorSpec));
memset(&osBuf, 0, sizeof(osBuf));
memset(&titleBuf, 0, sizeof(titleBuf));
memset(¬eBuf, 0, sizeof(noteBuf));
memset(¬eBufAppend, 0, sizeof(noteBufAppend));
/* Critical - for sorting order - that this routine respect hostResolvedName
*
* Remember - if this is being referenced in a fork()ed child, i.e as part of
* most reports on most systems, then setting flags in here is a waste.
*
* Further, the more of that you do, the more likely that ntop will
* function differently if -K | --debug is set, or in single threaded
* mode or under gdb (debugger)!
*/
if(el->hostResolvedNameType < FLAG_HOST_SYM_ADDR_TYPE_NONE) {
/* <NONE is FAKE and (maybe) others we probably should NOT really be reporting on */
char *fmt;
char commentBuf[64];
memset(&commentBuf, 0, sizeof(commentBuf));
if(mode == FLAG_HOSTLINK_HTML_FORMAT)
fmt = "<TH "TH_BG" ALIGN=LEFT>%s%s</TH>";
else
fmt = "%s%s";
if(broadcastHost(el)) {
safe_snprintf(__FILE__, __LINE__, buf, bufLen, fmt, "", "broadcast");
} else if(el == myGlobals.otherHostEntry) {
safe_snprintf(__FILE__, __LINE__, buf, bufLen, fmt, "", el->hostResolvedName);
} else {
safe_snprintf(__FILE__, __LINE__, commentBuf, sizeof(commentBuf),
"<!-- unknown %d lt NONE -->", el->hostResolvedNameType);
safe_snprintf(__FILE__, __LINE__, buf, bufLen, fmt, commentBuf, el->hostResolvedName);
}
return(buf);
}
if((el->hostResolvedNameType == FLAG_HOST_SYM_ADDR_TYPE_NONE)
|| (el->hostResolvedName[0] == '\0') /* Safety check */
) {
/* Let's search name in cache */
if(getHostNameFromCache(&el->hostIpAddress, el->hostResolvedName, sizeof(el->hostResolvedName)) != NULL) {
el->hostResolvedNameType = FLAG_HOST_SYM_ADDR_TYPE_NAME;
}
}
if((el->hostResolvedNameType == FLAG_HOST_SYM_ADDR_TYPE_NONE)
|| (el->hostResolvedName[0] == '\0') /* Safety check */
) {
/* It's not officially known, so let's do what we can
*/
if(addrnull(&el->hostIpAddress) && (el->ethAddressString[0] == '\0')) {
FD_SET(FLAG_BROADCAST_HOST, &el->flags); /* Just to be safe */
if(mode == FLAG_HOSTLINK_HTML_FORMAT)
return("<TH "TH_BG" ALIGN=LEFT><broadcast></TH>");
else
return("<broadcast>");
}
if(cmpSerial(&el->serialHostIndex, &myGlobals.otherHostEntry->serialHostIndex)) {
if(mode == FLAG_HOSTLINK_HTML_FORMAT)
return("<TH "TH_BG" ALIGN=LEFT><other><!-- cmpSerial() match --></TH>");
else
return("<other><!-- cmpSerial() match -->");
}
/* User other names if we have them, but follow (High->Low) the numerical
* sequence of FLAG_HOST_SYM_ADDR_TYPE_xxx so it still sorts right
*/
if((el->hostNumIpAddress[0] != '\0')
&& (!((el->ethAddressString[0] == '\0') && subnetPseudoLocalHost(el)))) {
/* We have the IP, so the DNS is probably still getting the entry name */
strncpy(symIp, el->hostNumIpAddress, sizeof(symIp));
#ifndef CMPFCTN_DEBUG
if(myGlobals.runningPref.debugMode == 1)
#endif
safe_snprintf(__FILE__, __LINE__, noteBufAppend, sizeof(noteBufAppend), "<!-- NONE:NumIpAddr(%s) -->",
el->hostNumIpAddress);
strncat(noteBuf, noteBufAppend, (sizeof(noteBuf) - strlen(noteBuf) - 1));
} else if(el->ethAddressString[0] != '\0') {
/* Use the MAC address */
strncpy(symIp, el->ethAddressString, sizeof(symIp));
usedEthAddress = 1;
#ifndef CMPFCTN_DEBUG
if(myGlobals.runningPref.debugMode == 1)
#endif
safe_snprintf(__FILE__, __LINE__, noteBufAppend, sizeof(noteBufAppend), "<!-- NONE:MAC(%s) -->",
el->ethAddressString);
strncat(noteBuf, noteBufAppend, (sizeof(noteBuf) - strlen(noteBuf) - 1));
#ifdef ENABLE_FC
} else if(el->fcCounters->hostNumFcAddress[0] != '\0') {
strncpy(symIp, el->fcCounters->hostNumFcAddress, sizeof(symIp));
#ifndef CMPFCTN_DEBUG
if(myGlobals.runningPref.debugMode == 1)
#endif
safe_snprintf(__FILE__, __LINE__, noteBufAppend, sizeof(noteBufAppend), "<!-- NONE:FC(%s) -->",
el->fcCounters->hostNumFcAddress);
strncat(noteBuf, noteBufAppend, (sizeof(noteBuf) - strlen(noteBuf) - 1));
#endif
} else if(el->nonIPTraffic) {
if(el->nonIPTraffic->nbHostName != NULL) {
strncpy(symIp, el->nonIPTraffic->nbHostName, sizeof(symIp));
strncat(noteBuf, " [NetBios]", (sizeof(noteBuf) - strlen(noteBuf) - 1));
}
} else {
if(mode == FLAG_HOSTLINK_HTML_FORMAT)
return("<TH "TH_BG" ALIGN=LEFT><unknown></TH>");
else
return("<unknown>");
}
} else {
/* Got it? Use it! */
strncpy(symIp, el->hostResolvedName, sizeof(symIp));
copyShortHostName(symIp, sizeof(symIp), el->hostResolvedName);
if((el->ethAddressString[0] != '\0')
&& subnetPseudoLocalHost(el)
&& hasWrongNetmask(el)
) {
strncpy(linkName, el->ethAddressString, sizeof(linkName));
usedEthAddress = 1;
} else
strncpy(linkName, el->hostNumIpAddress, sizeof(linkName));
if(el->hostResolvedNameType == FLAG_HOST_SYM_ADDR_TYPE_NETBIOS) {
strncat(noteBuf, " [NetBIOS]", (sizeof(noteBuf) - strlen(noteBuf) - 1));
}
#ifndef CMPFCTN_DEBUG
if(myGlobals.runningPref.debugMode == 1)
#endif
switch (el->hostResolvedNameType) {
case FLAG_HOST_SYM_ADDR_TYPE_MAC:
strncat(noteBuf, " [MAC]", (sizeof(noteBuf) - strlen(noteBuf) - 1));
break;
case FLAG_HOST_SYM_ADDR_TYPE_IP:
strncat(noteBuf, " [IP]", (sizeof(noteBuf) - strlen(noteBuf) - 1));
break;
case FLAG_HOST_SYM_ADDR_TYPE_NETBIOS:
/* Do nothing - handled in open code above */
break;
case FLAG_HOST_SYM_ADDR_TYPE_NAME:
break;
}
if((el->hostResolvedNameType == FLAG_HOST_SYM_ADDR_TYPE_NAME) && (el->ethAddressString[0] != '\0')) {
strncpy(linkName, addrtostr(&(el->hostIpAddress)), sizeof(linkName));
} else if((el->hostResolvedNameType == FLAG_HOST_SYM_ADDR_TYPE_MAC) &&
(symIp[2] != ':') && (el->ethAddressString[0] != '\0')) {
/* MAC address, one which has already been fixed up with the vendor string -
set the alt tag */
if(el->hostResolvedName[0] != '\0')
safe_snprintf(__FILE__, __LINE__, titleBuf, sizeof(titleBuf), "%s %s",
titleBuf, el->hostResolvedName);
else
safe_snprintf(__FILE__, __LINE__, titleBuf, sizeof(titleBuf), "%s Actual MAC address is %s",
titleBuf, el->ethAddressString);
/* Un 'fix' the linkName so it goes back to the native page */
strncpy(linkName, el->ethAddressString, sizeof(linkName));
}
}
/* We know this is wasted effort if this is a fork()ed child,
* so that routine will not do the update */
setHostFingerprint(el);
/* From here on, we focus on setting a bunch of flags and add-ons to the
* output (graphics, etc.) for the ultimate building of buf.
*
* These are:
*
* linkName - what do we link to
* usedEthAddress - meaning it's a MAC address, show the NIC icon
* symIp - what do we call it
* dhcpBootpStr, multihomedStr, multivlanedStr, gwStr, brStr, dnsStr, printStr,
* smtpStr, httpStr, ntpStr, healthStr, userStr, p2pStr -- these are all the addons
*/
if(symIp[strlen(symIp)-1] == ']') /* "... [MAC]" */ {
usedEthAddress = 1;
strncpy(symIp, el->ethAddressString, sizeof(symIp));
safe_snprintf(__FILE__, __LINE__, noteBuf, sizeof(noteBuf), "%s<!-- [MAC] -->", noteBuf);
}
/* Do we add a 2nd column for the flag??? */
if(addCountryFlag == 0)
flag[0] = '\0';
else {
safe_snprintf(__FILE__, __LINE__, flag, sizeof(flag), "<td "TD_BG" align=\"center\">%s</td>",
getHostCountryIconURL(el));
}
/* Set all the addon Str's */
if(isDHCPClient(el))
dhcpBootpStr = " " CONST_IMG_DHCP_CLIENT " ";
else {
if(isDHCPServer(el))
dhcpBootpStr = " " CONST_IMG_DHCP_SERVER " ";
else
dhcpBootpStr = "";
}
if(isMultihomed(el)) multihomedStr = " " CONST_IMG_MULTIHOMED ; else multihomedStr = "";
if(isMultivlaned(el)) multivlanedStr = " " CONST_IMG_MULTIVLANED ; else multivlanedStr = "";
if(isBridgeHost(el)) brStr = " " CONST_IMG_BRIDGE ; else brStr = "";
if(gatewayHost(el)) gwStr = " " CONST_IMG_ROUTER ; else gwStr = "";
if(isVoIPHost(el)) voipHostStr = " " CONST_IMG_VOIP_HOST ; else voipHostStr = "";
if(nameServerHost(el)) dnsStr = " " CONST_IMG_DNS_SERVER ; else dnsStr = "";
if(isPrinter(el)) printStr = " " CONST_IMG_PRINTER ; else printStr = "";
if(isSMTPhost(el)) smtpStr = " " CONST_IMG_SMTP_SERVER ; else smtpStr = "";
if(isHTTPhost(el)) {
httpStr = " " CONST_IMG_HTTP_SERVER ;
httpSiteIcon(symIp, httpFavico, sizeof(httpFavico), 0);
} else
httpStr = "", httpFavico[0] = '\0';
if(isNtpServer(el)) ntpStr = " " CONST_IMG_NTP_SERVER ; else ntpStr = "";
if(el->protocolInfo != NULL) {
if(el->protocolInfo->userList != NULL) userStr = " " CONST_IMG_HAS_USERS ; else userStr = "";
if(isP2P(el)) p2pStr = " " CONST_IMG_HAS_P2P ; else p2pStr = "";
} else {
userStr = "";
p2pStr = "";
}
switch(isHostHealthy(el)) {
case 1: /* Minor */
healthStr = CONST_IMG_LOW_RISK;
break;
case 2: /* Warning */
healthStr = CONST_IMG_MEDIUM_RISK;
break;
case 3: /* Error */
healthStr = CONST_IMG_HIGH_RISK;
break;
default: /* OK, bad call */
healthStr = "";
break;
}
/* Flag set? Cutoff name at 1st . */
if(cutName &&
(symIp[0] != '*') &&
strcmp(symIp, el->hostNumIpAddress)) {
for(i=0; symIp[i] != '\0'; i++)
if(symIp[i] == '.') {
symIp[i] = '\0';
break;
}
}
/* If we haven't previously set linkName as part of an un-fixup, save off
* symIP - before the remaining 'fixups' as the linkname */
if(linkName[0] == '\0') {
strncpy(linkName, symIp, sizeof(linkName));
}
if(linkName[0] == '\0') {
safe_snprintf(__FILE__, __LINE__, noteBuf, sizeof(noteBuf), "%s<!-- EmptyLink -->", noteBuf);
}
/* Fixup ethernet addresses for RFC1945 compliance (: is bad, _ is good) */
for(i=0; linkName[i] != '\0'; i++)
if(linkName[i] == ':')
linkName[i] = '_';
/* Fixup display MAC address for vendor */
if(usedEthAddress) {
char *vendorInfo;
vendorInfo = getVendorInfo(el->ethAddress, 0);
if(vendorInfo[0] != '\0') {
safe_snprintf(__FILE__, __LINE__, symIp, sizeof(symIp), "%s%s", vendorInfo, &el->ethAddressString[8]);
safe_snprintf(__FILE__, __LINE__, titleBuf, sizeof(titleBuf),
"%s Actual MAC address is %s",
titleBuf, el->ethAddressString);
}
}
/* An Ethernet address is used - is it Special? */
if(symIp[2] == ':') {
char *symEthName = getSpecialMacInfo(el, (short)(!myGlobals.separator[0]));
if((symEthName != NULL) && (symEthName[0] != '\0'))
safe_snprintf(__FILE__, __LINE__, symIp, sizeof(symIp), "%s%s", symEthName, &el->ethAddressString[8]);
usedEthAddress = 1;
}
vlanStr[0] = '\0';
if(el->vlanId != NO_VLAN) {
if(!isMultivlaned(el)) {
char tmp[256], tmpBuf[64];
safe_snprintf(__FILE__, __LINE__, vlanStr, sizeof(vlanStr), "-%d", el->vlanId);
safe_snprintf(__FILE__, __LINE__, tmp, sizeof(tmp), "%s (vlan %s)",
symIp, vlan2name(el->vlanId, tmpBuf, sizeof(tmpBuf)));
safe_snprintf(__FILE__, __LINE__, symIp, sizeof(symIp), "%s", tmp);
}
}
if((el->hostNumIpAddress[0] != '\0')
&& (!subnetPseudoLocalHost(el))
&& (!multicastHost(el))
&& (!privateIPAddress(el))
&& myGlobals.runningPref.mapperURL) {
buildMapLink(el, mapStr, sizeof(mapStr));
} else
mapStr[0] = '\0';
if(el->hwModel)
snprintf(tooltip, sizeof(tooltip), "title=\"%s\" class=tooltip", el->hwModel);
else if(el->description)
snprintf(tooltip, sizeof(tooltip), "title=\"%s\" class=tooltip", el->description);
else if(el->fingerprint)
snprintf(tooltip, sizeof(tooltip), "title=\"%s\" class=tooltip", &el->fingerprint[1]);
else
snprintf(tooltip, sizeof(tooltip), " class=tooltip");
/* Make the hostlink */
if(mode == FLAG_HOSTLINK_HTML_FORMAT) {
safe_snprintf(__FILE__, __LINE__, buf, bufLen, "<th "TH_BG" align=\"left\" nowrap width=\"250\">\n"
"<a %s href=\"/%s%s.html\" %s%s%s>%s%s%s</a>\n"
"%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s </th>%s\n",
tooltip, linkName, vlanStr,
titleBuf[0] != '\0' ? "title=\"" : "", titleBuf, titleBuf[0] != '\0' ? "\"" : "",
httpFavico, (custom_host_name[0] != '\0') ? custom_host_name : symIp,
noteBuf,
getOSFlag(el, NULL, 0, osBuf, sizeof(osBuf)),
dhcpBootpStr, multihomedStr, multivlanedStr,
usedEthAddress ? CONST_IMG_NIC_CARD : "",
gwStr, voipHostStr, brStr, dnsStr,
printStr, smtpStr, httpStr, ntpStr,
healthStr, userStr, p2pStr, mapStr, flag);
} else if(mode == FLAG_HOSTLINK_TEXT_LITE_FORMAT) {
safe_snprintf(__FILE__, __LINE__, buf, bufLen, "/%s%s.html", linkName, vlanStr);
} else {
safe_snprintf(__FILE__, __LINE__, buf, bufLen, "<a %s href=\"/%s%s.html\" %s nowrap width=\"250\" %s%s%s>%s%s%s</a>\n"
"%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
tooltip, linkName, vlanStr,
makeHostAgeStyleSpec(el, colorSpec, sizeof(colorSpec)),
titleBuf[0] != '\0' ? "title=\"" : "",
titleBuf, titleBuf[0] != '\0' ? "\"" : "",
httpFavico, (custom_host_name[0] != '\0') ? custom_host_name : symIp,
noteBuf,
dhcpBootpStr, multihomedStr, multivlanedStr,
usedEthAddress ? CONST_IMG_NIC_CARD : "",
gwStr, voipHostStr, brStr, dnsStr,
printStr, smtpStr, httpStr, ntpStr, healthStr,
userStr, p2pStr, mapStr, flag);
}
return(buf);
}
/* ******************************* */
char* getHostName(HostTraffic *el, short cutName, char *buf, int bufLen) {
char *tmpStr;
if(broadcastHost(el))
return("broadcast");
tmpStr = el->hostResolvedName;
if(broadcastHost(el)) {
strcpy (buf, "broadcast");
} else {
tmpStr = el->hostResolvedName;
if((tmpStr == NULL) || (tmpStr[0] == '\0')) {
/* The DNS is still getting the entry name */
if(el->hostNumIpAddress[0] != '\0')
strncpy(buf, el->hostNumIpAddress, 80);
else
strncpy(buf, el->ethAddressString, 80);
} else if(tmpStr[0] != '\0') {
strncpy(buf, tmpStr, 80);
if(cutName) {
int i;
for(i=0; buf[i] != '\0'; i++)
if((buf[i] == '.')
&& (!(isdigit(buf[i-1])
&& isdigit(buf[i+1]))
)) {
buf[i] = '\0';
break;
}
}
} else
strncpy(buf, el->ethAddressString, 80);
}
return(buf);
}
/* ********************************** */
char* calculateCellColor(Counter actualValue,
Counter avgTrafficLow, Counter avgTrafficHigh) {
if(actualValue < avgTrafficLow)
return("BGCOLOR=#AAAAAAFF"); /* light blue */
else if(actualValue < avgTrafficHigh)
return("BGCOLOR=#00FF75"); /* light green */
else
return("BGCOLOR=#FF7777"); /* light red */
}
/* ************************ */
char* getHostCountryIconURL(HostTraffic *el) {
char path[256], *img = NULL;
static char flagBuf[384];
struct stat buf;
int rc;
fillDomainName(el);
if(el->geo_ip == NULL) {
#if 0
safe_snprintf(__FILE__, __LINE__, flagBuf, sizeof(flagBuf),
"<img class=tooltip alt=\"Local Host\" title=\"Local Host\" "
"align=\"middle\" src=\"/statsicons/flags/local.gif\" border=\"0\">");
#endif
return(" ");
}
if(el->geo_ip->country_code[0] == '\0') {
safe_snprintf(__FILE__, __LINE__, flagBuf, sizeof(flagBuf),
"<img class=tooltip alt=\"Local Host\" title=\"Local Host\" "
"align=\"middle\" src=\"/statsicons/flags/local.gif\" border=\"0\">");
} else {
char c_buf[16] = { '\0'};
int i;
safe_snprintf(__FILE__, __LINE__, c_buf, sizeof(c_buf)-1, "%s", el->geo_ip->country_code);
for(i=0; c_buf[i] != '\0'; i++) c_buf[i] = tolower(c_buf[i]);
safe_snprintf(__FILE__, __LINE__, path, sizeof(path), "./html/statsicons/flags/%s.gif", c_buf);
revertSlashIfWIN32(path, 0);
rc = stat(path, &buf);
if(rc != 0) {
safe_snprintf(__FILE__, __LINE__, path, sizeof(path), "%s/html/statsicons/flags/%s.gif",
CFG_DATAFILE_DIR, c_buf);
revertSlashIfWIN32(path, 0);
rc = stat(path, &buf);
}
if(rc == 0)
img = c_buf;
/* traceEvent(CONST_TRACE_WARNING, "%s", path); */
}
if(img == NULL) {
/* Nothing worked... */
safe_snprintf(__FILE__, __LINE__, flagBuf, sizeof(flagBuf),
" <!-- No flag for %s (%s) -->",
el->geo_ip->country_name, el->geo_ip->country_code);
} else {
safe_snprintf(__FILE__, __LINE__, flagBuf, sizeof(flagBuf),
"<img class=tooltip alt=\"Flag for %s (%s)\" title=\"Flag for %s (%s)\" align=\"middle\" "
"src=\"/statsicons/flags/%s.gif\" border=\"0\">",
el->geo_ip->country_name, el->geo_ip->country_code,
el->geo_ip->country_name, el->geo_ip->country_code,
img);
}
return(flagBuf);
}
/* ******************************* */
char* getRowColor(void) {
#ifdef PARM_USE_COLOR
if(alternateColor == 0) {
alternateColor = 1;
return("BGCOLOR=#C3C9D9"); /* EFEFEF */
} else {
alternateColor = 0;
return("");
}
#else
return("");
#endif
}
/* ******************************* */
char* getActualRowColor(void) {
#ifdef PARM_USE_COLOR
if(alternateColor == 1) {
return("BGCOLOR=#EFEFEF");
} else
return("");
#else
return("");
#endif
}
/* ******************************* */
void printSwitchNwInterfaceHeader(void) {
char buf[LEN_GENERAL_WORK_BUFFER];
printHTMLheader("Network Interface Switch", NULL, BITFLAG_HTML_NO_REFRESH);
sendString("<HR>\n");
safe_snprintf(__FILE__, __LINE__, buf, sizeof(buf), "<p><font face=\"Helvetica, Arial, Sans Serif\">Note that "
"the NetFlow and sFlow plugins - if enabled - force -M to be set (i.e. "
"they disable interface merging).</font></p>\n");
sendString(buf);
sendString("<P>\n<FONT FACE=\"Helvetica, Arial, Sans Serif\"><B>\n");
}
/* ******************************* */
void switchNwInterface(int _interface) {
int i, mwInterface=_interface-1, found = 0;
char buf[LEN_GENERAL_WORK_BUFFER], *selected;
for(i=0; i<myGlobals.numDevices; i++)
if(myGlobals.device[i].activeDevice) {
found = 1;
break;
}
if(myGlobals.runningPref.mergeInterfaces) {
printSwitchNwInterfaceHeader();
safe_snprintf(__FILE__, __LINE__, buf, sizeof(buf), "Sorry, but you cannot switch among different interfaces "
"unless the -M command line switch is specified at run time.");
sendString(buf);
} else if((mwInterface != -1) &&
((mwInterface >= myGlobals.numDevices) || myGlobals.device[mwInterface].virtualDevice)) {
printSwitchNwInterfaceHeader();
safe_snprintf(__FILE__, __LINE__, buf, sizeof(buf), "Sorry, invalid interface selected.");
sendString(buf);
} else if((myGlobals.numDevices == 1) || (!found)) {
printSwitchNwInterfaceHeader();
safe_snprintf(__FILE__, __LINE__, buf, sizeof(buf), "Sorry, you are currently capturing traffic from only a "
"single/dummy interface [%s].<br><br>"
"</b> This interface switch feature is meaningful only when your ntop "
"instance captures traffic from multiple interfaces. <br>You must specify "
"additional interfaces via the -i command line switch at run time.<b>",
myGlobals.device[myGlobals.actualReportDeviceId].name);
sendString(buf);
} else if(mwInterface >= 0) {
char value[8];
myGlobals.actualReportDeviceId = (mwInterface)%myGlobals.numDevices;
storePrefsValue("actualReportDeviceId", value);
printSwitchNwInterfaceHeader();
safe_snprintf(__FILE__, __LINE__, buf, sizeof(buf), "The current interface is now [%s].",
myGlobals.device[myGlobals.actualReportDeviceId].name);
sendString(buf);
safe_snprintf(__FILE__, __LINE__, value, sizeof(value), "%d", myGlobals.actualReportDeviceId);
} else {
u_short do_enable;
printSwitchNwInterfaceHeader();
sendString("Available Network Interfaces:</B><P>\n<FORM ACTION=" CONST_SWITCH_NIC_HTML ">\n");
if(((!myGlobals.device[myGlobals.actualReportDeviceId].virtualDevice)
|| (myGlobals.device[myGlobals.actualReportDeviceId].sflowGlobals)
|| (myGlobals.device[myGlobals.actualReportDeviceId].netflowGlobals))
&& myGlobals.device[myGlobals.actualReportDeviceId].activeDevice) {
do_enable = 0;
} else
do_enable = 1;
for(i=0; i<myGlobals.numDevices; i++)
if(((!myGlobals.device[i].virtualDevice) || (myGlobals.device[i].sflowGlobals)|| (myGlobals.device[i].netflowGlobals))
&& myGlobals.device[i].activeDevice) {
if((myGlobals.actualReportDeviceId == i) || do_enable)
selected = "CHECKED", do_enable = 0;
else
selected = "";
safe_snprintf(__FILE__, __LINE__, buf, sizeof(buf),
"<INPUT TYPE=radio NAME=interface VALUE=%d %s> %s [id=%d]<br>\n",
i+1, selected, myGlobals.device[i].humanFriendlyName, i);
sendString(buf);
}
sendString("<p><INPUT TYPE=submit VALUE=\"Switch NIC\"> <INPUT TYPE=reset VALUE=Reset>\n</FORM>\n");
sendString("<B>");
}
sendString("</B>");
sendString("</font><p><hr>\n");
}
/* **************************************** */
void shutdownNtop(void) {
char buf[LEN_GENERAL_WORK_BUFFER];
time_t theTime = time(NULL);
memset(&buf, 0, sizeof(buf));
traceEvent(CONST_TRACE_ALWAYSDISPLAY, "WEB: shutdown.html - request has been received - processing");
sendHTTPHeader(FLAG_HTTP_TYPE_HTML, 0, 1);
printHTMLheader("ntop is shutting down...", NULL, BITFLAG_HTML_NO_REFRESH);
safe_snprintf(__FILE__, __LINE__, buf, sizeof(buf),
"<p>Shutdown request received %s is being processed, and the "
"<b>ntop</b> web server is closing down.</p>\n",
ctime(&theTime));
sendString(buf);
theTime = time(NULL) + 2*PARM_SLEEP_LIMIT + 5;
safe_snprintf(__FILE__, __LINE__, buf, sizeof(buf),
"<p>Please allow up to %d seconds (until approximately %s) for all threads to terminate "
"and the shutdown request to complete.</p>\n"
"<p>You will not receive further messages.</p>\n",
2*PARM_SLEEP_LIMIT + 5,
ctime(&theTime));
sendString(buf);
sendString("<!-- trigger actual shutdown after rest of page is retrieved -->\n"
"<img src=\"/" CONST_SHUTDOWNNOW_NTOP_IMG "\" width=\"0\" height=\"0\">");
/* Return and let the web page finish up */
}
/* ******************************** */
/* WARNING WARNING WARNING
*
* Be very careful with closing tags in this section. The slightest screw-up will cause
* browsers other than IE to handle these tables in ways you don't expect (usually making
* each cell as wide as the widest, vs. respecting the WIDTH tags.
*
*/
static void printInfoSectionTitle(int textPrintFlag, char* section) {
sendString(texthtml("\n\n", "<tr><th "DARK_BG" "TH_BG" colspan=\"3\" width=\"" xstr(CONST_INFOHTML_WIDTH) "\">"));
sendString(section);
sendString(texthtml("\n\n", "</th></tr>\n"));
}
static void printInfoSectionNote(int textPrintFlag, char* note) {
if(textPrintFlag != TRUE) {
sendString("<tr><td "TD_BG" colspan=\"3\" width=\"" xstr(CONST_INFOHTML_WIDTH) "\">\n"
"<table "TABLE_DEFAULTS" border=\"0\" width=\"85%\" align=\"right\"><tr><td "TD_BG" valign=\"top\">NOTE:</td>\n"
"<td class=\"wrap\" align=\"left\"><i>");
sendString(note);
sendString("</i></td></tr>\n</table>\n</td></tr>\n");
}
}
static void printFeatureConfigNum(int textPrintFlag, char* feature, int value) {
char tmpBuf[32];
sendString(texthtml("", "<tr><th "DARK_BG" "TH_BG" align=\"left\" width=\"" xstr(CONST_INFOHTML_COL1_WIDTH) "\">"));
sendString(feature);
sendString(texthtml(".....", "</th>\n<td "TD_BG" align=\"right\" colspan=\"2\" width=\"" xstr(CONST_INFOHTML_COL23_WIDTH) "\">"));
safe_snprintf(__FILE__, __LINE__, tmpBuf, sizeof(tmpBuf), "%d", value);
sendString(tmpBuf);
sendString(texthtml("\n", "</td></tr>\n"));
}
static void printFeatureConfigInfoHeader(int textPrintFlag, char *feature) {
sendString(texthtml("", "<tr><th "DARK_BG" "TH_BG" ALIGN=\"left\" width=\"" xstr(CONST_INFOHTML_COL1_WIDTH) "\">"));
sendString(feature);
sendString(texthtml(".....", "</th>\n<td class=\"wrap\" "TD_BG" ALIGN=\"right\" colspan=\"2\" width=\"" xstr(CONST_INFOHTML_COL23_WIDTH) "\">"));
}
static void printFeatureConfigInfoFooter(int textPrintFlag) {
sendString(texthtml("\n", "</td></tr>\n"));
}
static void printFeatureConfigInfo(int textPrintFlag, char* feature, char* status) {
char *tmpStr, tmpBuf[LEN_GENERAL_WORK_BUFFER];
char *strtokState;
printFeatureConfigInfoHeader(textPrintFlag, feature);
if((status == NULL) || (status[0] == '\0')) {
sendString("(nil)");
} else {
safe_snprintf(__FILE__, __LINE__, tmpBuf, sizeof(tmpBuf), "%s", status);
tmpStr = strtok_r(tmpBuf, "\n", &strtokState);
while(tmpStr != NULL) {
sendString(tmpStr);
tmpStr = strtok_r(NULL, "\n", &strtokState);
if(tmpStr != NULL) {
sendString(texthtml("\n ", "<br>"));
}
}
}
printFeatureConfigInfoFooter(textPrintFlag);
}
static void printFeatureConfigTitle3Col(int textPrintFlag,
char *textTitle,
char *c1, char *c2, char *c3) {
if(textPrintFlag == TRUE) {
sendString(textTitle);
} else {
sendString("<tr><th "DARK_BG" "TH_BG" align=\"center\" width=\"" xstr(CONST_INFOHTML_COL1_WIDTH) "\">");
sendString(c1);
sendString("</th>\n<th "DARK_BG" "TH_BG" align=\"center\" width=\"" xstr(CONST_INFOHTML_COL2_WIDTH) "\">");
sendString(c2);
sendString("</th>\n<th "DARK_BG" "TH_BG" align=\"center\" width=\"" xstr(CONST_INFOHTML_COL3_WIDTH) "\">");
sendString(c3);
sendString("</th>\n</tr>\n");
}
}
static void printFeatureConfigInfo3ColInt(int textPrintFlag,
char* feature,
int flag1, int count1,
int flag2, int count2,
int mustShow) {
char tmpBuf[LEN_GENERAL_WORK_BUFFER];
if((mustShow == FALSE) && (count1+count2 == 0)) { return; }
sendString(texthtml("", "<tr><th "DARK_BG" "TH_BG" align=\"left\" width=\"" xstr(CONST_INFOHTML_COL1_WIDTH) "\">"));
sendString(feature);
sendString(texthtml(".....", "</th>\n<td "TD_BG" align=\"right\" width=\"" xstr(CONST_INFOHTML_COL2_WIDTH) "\">"));
if (flag1) {
safe_snprintf(__FILE__, __LINE__, tmpBuf, sizeof(tmpBuf), "%d", count1);
sendString(tmpBuf);
} else {
sendString("-");
}
sendString(texthtml(".....", "</td>\n<td "TD_BG" align=\"right\" width=\"" xstr(CONST_INFOHTML_COL3_WIDTH) "\">"));
if (flag2) {
safe_snprintf(__FILE__, __LINE__, tmpBuf, sizeof(tmpBuf), "%d", count2);