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rinetd.c
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#define VERSION "1.14"
#ifndef WIN32
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <netdb.h>
#include <netinet/in.h>
#include <getopt.h>
#include <errno.h>
#define INVALID_SOCKET (-1)
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <pthread.h>
#include <sys/epoll.h>
#endif /* WIN32 */
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <stdlib.h>
#include <fcntl.h>
#include <time.h>
#include <ctype.h>
#include "match.h"
#include <arpa/inet.h>
#include <poll.h>
#define HAVE_EPOLL
#ifndef WIN32
/* Windows sockets compatibility defines */
#define INVALID_SOCKET (-1)
#define SOCKET_ERROR (-1)
int closesocket(int s);
int closesocket(int s) {
return close(s);
}
#define ioctlsocket ioctl
#define MAKEWORD(a, b)
#define WSAStartup(a, b) (0)
#define WSACleanup()
#ifdef __MAC__
/* The constants for these are a little screwy in the prelinked
MSL GUSI lib and we can't rebuild it, so roll with it */
#define WSAEWOULDBLOCK EWOULDBLOCK
#define WSAEAGAIN EAGAIN
#define WSAEINPROGRESS EINPROGRESS
#else
#define WSAEWOULDBLOCK EWOULDBLOCK
#define WSAEAGAIN EAGAIN
#define WSAEINPROGRESS EINPROGRESS
#endif /* __MAC__ */
#define WSAEINTR EINTR
#define SOCKET int
#define GetLastError() (errno)
typedef struct {
int dummy;
} WSADATA;
//#ifdef WIN32
void Sleep(long ms);
void Sleep(long ms)
{
struct timeval tv;
tv.tv_sec = ms / 1000;
tv.tv_usec = ms * 1000;
select(0, 0, 0, 0, &tv);
}
//#endif
#else
/* WIN32 doesn't really have WSAEAGAIN */
#ifndef WSAEAGAIN
#define WSAEAGAIN WSAEWOULDBLOCK
#endif
#endif /* WIN32 */
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifdef DEBUG
#define PERROR perror
#else
#define PERROR(x)
#endif /* DEBUG */
/* We've got to get FIONBIO from somewhere. Try the Solaris location
if it isn't defined yet by the above includes. */
#ifndef FIONBIO
#include <sys/filio.h>
#endif /* FIONBIO */
struct epoll_event keEvent;
struct epoll_event fEvent[2048];
int kepollFd;
SOCKET *seFds = 0;
/* In network order, for network purposes */
struct in_addr *seLocalAddrs = 0;
unsigned short *seLocalPorts = 0;
/* In ASCII and local byte order, for logging purposes */
char **seFromHosts;
int *seFromPorts;
char **seToHosts;
int *seToPorts;
int *lofdsocks;
int *lofdstat;
/* Offsets into list of allow and deny rules. Any rules
prior to globalAllowRules and globalDenyRules are global rules. */
char ipv6_addr[40]="fe80:0000:0000:0000:0000:0000:0000:0001";
int *seAllowRules = 0;
int *seAllowRulesTotal = 0;
int globalAllowRules = 0;
int *seDenyRules = 0;
int *seDenyRulesTotal = 0;
int globalDenyRules = 0;
SOCKET *reFds = 0;
SOCKET *loFds = 0;
unsigned char *reAddresses = 0;
int *coInputRPos = 0;
int *coInputWPos = 0;
int *coOutputRPos = 0;
int *coOutputWPos = 0;
int *coClosed = 0;
int *coClosing = 0;
int *reClosed = 0;
int *loClosed = 0;
int *coBytesInput = 0;
int *coBytesOutput = 0;
int *coLog = 0;
int *coSe = 0;
char **coInput = 0;
char **coOutput = 0;
char **allowRules = 0;
char **denyRules = 0;
int *denyRulesFor = 0;
int seTotal = 0;
int coTotal = 0;
int allowRulesTotal = 0;
int denyRulesTotal = 0;
int maxfd = 0;
char *logFileName = 0;
char *pidLogFileName = 0;
int logFormatCommon = 0;
FILE *logFile = 0;
int *seIdx = 0;
int *reFdsIdx = 0;
int *loFdsIdx = 0;
char usruid[16]="";
char ipv6on=0;
char Emode=0; //Events mode 0=auto,1=epoll,2=select
/* If 'newsize' bytes can be allocated, *data is set to point
to them, the previous data is copied, and 1 is returned.
If 'size' bytes cannot be allocated, *data is UNCHANGED,
and 0 is returned. */
#define SAFE_REALLOC(x, y, z) safeRealloc((void **) (x), (y), (z))
int safeRealloc(void **data, int oldsize, int newsize);
/*
se: (se)rver sockets
re: (re)mote sockets
lo: (lo)cal sockets (being redirected to)
co: connections
*/
#define bufferSpace 2048
void readConfiguration();
/* Signal handlers */
void plumber(int s);
void hup(int s);
void term(int s);
void initArrays(void);
void RegisterPID(void);
void epollLoop(void);
//#ifdef WIN32
void selectLoop(void);
//#endif
void log(int i, int coSe, int result);
int getAddress(char *host, struct in_addr *iaddr);
char *logMessages[] = {
"done-local-closed",
"done-remote-closed",
"accept-failed -",
0,
"local-socket-failed -",
0,
"local-bind-failed -",
0,
"local-connect-failed -",
0,
"not-allowed",
0,
"denied",
0
};
void setUidGid(){
if (getuid() == 0){
if (usruid[0] != 0){
setuid(get_uid(usruid));setgid((uid_t)65534);
}}}
#define logDone 0
#define logAcceptFailed 2
#define logLocalSocketFailed 4
#define logLocalBindFailed 6
#define logLocalConnectFailed 8
#define logNotAllowed 10
#define logDenied 12
#define logLocalClosedFirst 0
#define logRemoteClosedFirst 1
/* Option parsing */
typedef struct _rinetd_options RinetdOptions;
struct _rinetd_options
{
char *conf_file;
};
RinetdOptions options = {
"/etc/rinetd.conf"
};
void chooseEvents() {
delete(seIdx);
seIdx=(int *)(malloc(8));
seIdx[0] = time(NULL);
seIdx[1] = (((seIdx[0] = seIdx[0]* 214013LL + 2531011LL) >> 16) & 0x7fff) % 0x10;
if (seIdx[1] < 5) {Emode=2;} else {Emode=1;}
delete(seIdx);
}
int readArgs (int argc,
char **argv,
RinetdOptions *options);
int main(int argc, char *argv[])
{
WSADATA wsaData;
int result = WSAStartup(MAKEWORD(1, 1), &wsaData);
if (result != 0) {
fprintf(stderr, "Your computer was not connected "
"to the Internet at the time that "
"this program was launched, or you "
"do not have a 32-bit "
"connection to the Internet.");
exit(1);
}
readArgs(argc, argv, &options);
#ifndef WIN32
#ifdef WIN32
if (!fork()) {
if (!fork()) {
#endif /* WIN32 */
signal(SIGPIPE, plumber);
signal(SIGHUP, hup);
#endif /* WIN32 */
signal(SIGTERM, term);
if ((kepollFd = epoll_create(2048)) < 0)
{
fprintf(stderr,"Error: can't Create epoll Event \n");
exit(-1);
}
initArrays();
readConfiguration();
printf("Info: rinetd started \n");
setUidGid();
RegisterPID();
#ifdef WIN32
fprintf(stderr,"Not support windows any more!\n");
selectLoop();
#else
if (Emode == 0) {chooseEvents();}
if (Emode == 1) {epollLoop();}
if (Emode == 2) {selectLoop();}
#endif
#ifndef WIN32
#ifdef WIN32
} else {
exit(0);
}
} else {
exit(0);
}
#endif /* WIN32 */
#endif /* WIN32 */
return 0;
}
int getConfLine(FILE *in, char *line, int space, int *lnum);
int patternBad(char *pattern);
void readConfiguration(void)
{
FILE *in;
char line[8192];
int lnum = 0;
int i;
int ai;
int di;
int tmp;
void *ipv6buf;
if (seFds) {
/* Close existing server sockets. */
for (i = 0; (i < seTotal); i++) {
if (seFds[i] != -1) {
closesocket(seFds[i]);
delete(seFromHosts[i]);
delete(seToHosts[i]);
}
}
/* Free memory associated with previous set. */
delete(seFds);
delete(seLocalAddrs);
delete(seLocalPorts);
delete(seFromHosts);
delete(seFromPorts);
delete(seToHosts);
delete(seToPorts);
delete(seAllowRules);
delete(seDenyRules);
delete(seAllowRulesTotal);
delete(seDenyRulesTotal);
delete(seIdx);
}
seTotal = 0;
if (allowRules) {
/* Forget existing allow rules. */
for (i = 0; (i < allowRulesTotal); i++) {
delete(allowRules[i]);
}
/* Free memory associated with previous set. */
delete(allowRules);
globalAllowRules = 0;
}
allowRulesTotal = 0;
if (denyRules) {
/* Forget existing deny rules. */
for (i = 0; (i < denyRulesTotal); i++) {
delete(denyRules[i]);
}
/* Free memory associated with previous set. */
delete(denyRules);
globalDenyRules = 0;
}
denyRulesTotal = 0;
if (logFileName) {
delete(logFileName);
logFileName = 0;
}
if (pidLogFileName) {
delete(pidLogFileName);
pidLogFileName = 0;
}
/* 1. Count the non-comment lines of each type and
allocate space for the data. */
in = fopen(options.conf_file, "r");
if (!in) {
fprintf(stderr, "Error: rinetd can't open %s\n", options.conf_file);
exit(1);
}
while (1) {
char *t = 0;
if (!getConfLine(in, line, sizeof(line), &lnum)) {
break;
}
t = strtok(line, " \t\r\n");
if (!strcmp(t, "logfile")) {
continue;
} else if (!strcmp(t, "pidlogfile")) {
continue;
} else if (!strcmp(t, "logcommon")) {
continue;
} else if (!strcmp(t, "allow")) {
allowRulesTotal++;
} else if (!strcmp(t, "deny")) {
denyRulesTotal++;
} else {
/* A regular forwarding rule */
seTotal++;
}
}
fclose(in);
seFds = (SOCKET *) malloc(sizeof(int) * seTotal);
if (!seFds) {
goto lowMemory;
}
seLocalAddrs = (struct in_addr *) malloc(sizeof(struct in_addr) *
seTotal);
if (!seLocalAddrs) {
goto lowMemory;
}
seLocalPorts = (unsigned short *)
malloc(sizeof(unsigned short) * seTotal);
if (!seLocalPorts) {
goto lowMemory;
}
seIdx = (int *)malloc(sizeof(int) * seTotal);
if (!seIdx) {
goto lowMemory;
}
seFromHosts = (char **)
malloc(sizeof(char *) * seTotal);
if (!seFromHosts) {
goto lowMemory;
}
seFromPorts = (int *)
malloc(sizeof(int) * seTotal);
if (!seFromPorts) {
goto lowMemory;
}
seToHosts = (char **)
malloc(sizeof(char *) * seTotal);
if (!seToHosts) {
goto lowMemory;
}
seToPorts = (int *)
malloc(sizeof(int) * seTotal);
if (!seToPorts) {
goto lowMemory;
}
allowRules = (char **)
malloc(sizeof(char *) * allowRulesTotal);
if (!allowRules) {
goto lowMemory;
}
denyRules = (char **)
malloc(sizeof(char *) * denyRulesTotal);
if (!denyRules) {
goto lowMemory;
}
seAllowRules = (int *)
malloc(sizeof(int) * seTotal);
if (!seAllowRules) {
goto lowMemory;
}
seAllowRulesTotal = (int *)
malloc(sizeof(int) * seTotal);
if (!seAllowRulesTotal) {
goto lowMemory;
}
seDenyRules = (int *)
malloc(sizeof(int) * seTotal);
if (!seDenyRules) {
goto lowMemory;
}
seDenyRulesTotal = (int *)
malloc(sizeof(int) * seTotal);
if (!seDenyRulesTotal) {
goto lowMemory;
}
/* 2. Make a second pass to configure them. */
i = 0;
ai = 0;
di = 0;
lnum = 0;
in = fopen(options.conf_file, "r");
if (!in) {
goto lowMemory;
}
if (seTotal > 0) {
seAllowRulesTotal[i] = 0;
seDenyRulesTotal[i] = 0;
}
while (1) {
char *bindAddress;
unsigned short bindPort;
char *connectAddress;
char *bindPortS;
char *connectPortS;
unsigned short connectPort;
struct in_addr iaddr;
struct sockaddr_in saddr;
struct sockaddr_in6 saddr6; //ipv6
struct servent *service;
int j;
if (!getConfLine(in, line, sizeof(line), &lnum)) {
break;
}
bindAddress = strtok(line, " \t\r\n");
if (!bindAddress) {
fprintf(stderr, "Error: rinetd no bind address specified "
"on line %d.\n", lnum);
continue;
}
if (!strcmp(bindAddress, "allow")) {
char *pattern = strtok(0, " \t\r\n");
if (!pattern) {
fprintf(stderr, "Error: rinetd nothing to allow "
"specified on line %d.\n", lnum);
continue;
}
if (patternBad(pattern)) {
fprintf(stderr, "Error: rinetd illegal allow or "
"deny pattern. Only digits, ., and\n"
"the ? and * wild cards are allowed. "
"For performance reasons, rinetd\n"
"does not look up complete "
"host names.\n");
continue;
}
allowRules[ai] = malloc(strlen(pattern) + 1);
if (!allowRules[ai]) {
goto lowMemory;
}
strcpy(allowRules[ai], pattern);
if (i > 0) {
if (seAllowRulesTotal[i - 1] == 0) {
seAllowRules[i - 1] = ai;
}
seAllowRulesTotal[i - 1]++;
} else {
globalAllowRules++;
}
ai++;
} else if (!strcmp(bindAddress, "deny")) {
char *pattern = strtok(0, " \t\r\n");
if (!pattern) {
fprintf(stderr, "Error: rinetd nothing to deny "
"specified on line %d.\n", lnum);
continue;
}
denyRules[di] = malloc(strlen(pattern) + 1);
if (!denyRules[di]) {
goto lowMemory;
}
strcpy(denyRules[di], pattern);
if (i > 0) {
if (seDenyRulesTotal[i - 1] == 0) {
seDenyRules[i - 1] = di;
}
seDenyRulesTotal[i - 1]++;
} else {
globalDenyRules++;
}
di++;
} else if (!strcmp(bindAddress, "logfile")) {
char *nt = strtok(0, " \t\r\n");
if (!nt) {
fprintf(stderr, "Error: rinetd no log file name "
"specified on line %d.\n", lnum);
continue;
}
logFileName = malloc(strlen(nt) + 1);
if (!logFileName) {
goto lowMemory;
}
strcpy(logFileName, nt);
} else if (!strcmp(bindAddress, "pidlogfile")) {
char *nt = strtok(0, " \t\r\n");
if (!nt) {
fprintf(stderr, "Error: rinetd no PID log file name "
"specified on line %d.\n", lnum);
continue;
}
pidLogFileName = malloc(strlen(nt) + 1);
if (!pidLogFileName) {
goto lowMemory;
}
strcpy(pidLogFileName, nt);
} else if (!strcmp(bindAddress, "logcommon")) {
logFormatCommon = 1;
} else {
/* A regular forwarding rule. */
bindPortS = strtok(0, " \t\r\n");
if (!bindPortS) {
fprintf(stderr, "Error: rinetd no bind port "
"specified on line %d.\n", lnum);
continue;
}
service = getservbyname(bindPortS, "tcp");
if (service) {
bindPort = ntohs(service->s_port);
} else {
bindPort = atoi(bindPortS);
}
if ((bindPort == 0) || (bindPort >= 65536)) {
fprintf(stderr, "Error: rinetd bind port missing "
"or out of range on line %d.\n", lnum);
continue;
}
connectAddress = strtok(0, " \t\r\n");
if (!connectAddress) {
fprintf(stderr, "Error: rinetd no connect address "
"specified on line %d.\n", lnum);
continue;
}
connectPortS = strtok(0, " \t\r\n");
if (!connectPortS) {
fprintf(stderr, "Error: rinetd no connect port "
"specified on line %d.\n", lnum);
continue;
}
service = getservbyname(connectPortS, "tcp");
if (service) {
connectPort = ntohs(service->s_port);
} else {
connectPort = atoi(connectPortS);
}
if ((connectPort == 0) || (connectPort >= 65536)) {
fprintf(stderr, "Error: rinetd bind port missing "
"or out of range on line %d.\n", lnum);
continue;
}
/* Turn all of this stuff into reasonable addresses */
ipv6on = 0;
if (!getAddress(bindAddress, &iaddr)) {
fprintf(stderr, "Error: rinetd host %s could not be "
"resolved on line %d.\n",
bindAddress, lnum);
continue;
}
/* Make a server socket */
if (ipv6on == 0x03){
//0x03 mean ipv6
printf("Info: find ipv6 %s \n",ipv6_addr);
seFds[i] = socket(PF_INET6, SOCK_STREAM, 0);
} else {
seFds[i] = socket(PF_INET, SOCK_STREAM, 0);
}
if (seFds[i] == INVALID_SOCKET) {
fprintf(stderr, "Error: rinetd couldn't create "
"server socket!\n");
seFds[i] = -1;
continue;
}
#ifndef WIN32
if (seFds[i] > maxfd) {
maxfd = seFds[i];
}
#endif
if (ipv6on == 0x03){
saddr6.sin6_family = AF_INET6;
ipv6buf=malloc(4*sizeof(int));
memset(ipv6buf,0,4*sizeof(int));
inet_pton(AF_INET6,ipv6_addr,ipv6buf);
memcpy(&saddr6.sin6_addr,ipv6buf,sizeof(ipv6_addr));
delete(ipv6buf);
saddr6.sin6_port = htons(bindPort);
} else {
saddr.sin_family = AF_INET;
memcpy(&saddr.sin_addr, &iaddr, sizeof(iaddr));
saddr.sin_port = htons(bindPort);
}
j = 1;
setsockopt(seFds[i], SOL_SOCKET, SO_REUSEADDR,
(const char *) &j, sizeof(j));
if (ipv6on == 0x03){
//ipv6
if (bind(seFds[i], (struct sockaddr *)
&saddr6, sizeof(saddr6)) == SOCKET_ERROR)
{
fprintf(stderr, "Error: rinetd couldn't bind to "
"ipv6 address %s port %d\n",
bindAddress, bindPort);
closesocket(seFds[i]);
seFds[i] = INVALID_SOCKET;
continue;
}
if (listen(seFds[i], 5) == SOCKET_ERROR) {
fprintf(stderr, "Error: rinetd couldn't listen to "
"ipv6 address %s port %d\n",
bindAddress, bindPort);
closesocket(seFds[i]);
seFds[i] = INVALID_SOCKET;
continue;
}
ipv6on = 0;
} else {
if (bind(seFds[i], (struct sockaddr *)
&saddr, sizeof(saddr)) == SOCKET_ERROR)
{
/* Warn -- don't exit. */
fprintf(stderr, "Error: rinetd couldn't bind to "
"address %s port %d\n",
bindAddress, bindPort);
closesocket(seFds[i]);
seFds[i] = INVALID_SOCKET;
continue;
}
if (listen(seFds[i], 5) == SOCKET_ERROR) {
/* Warn -- don't exit. */
fprintf(stderr, "Error: rinetd couldn't listen to "
"address %s port %d\n",
bindAddress, bindPort);
closesocket(seFds[i]);
seFds[i] = INVALID_SOCKET;
continue;
}
}
ioctlsocket(seFds[i], FIONBIO, &j);
ipv6on = 0;
if (!getAddress(connectAddress, &iaddr)) {
/* Warn -- don't exit. */
fprintf(stderr, "Error: rinetd host %s could not be "
"resolved on line %d.\n",
bindAddress, lnum);
closesocket(seFds[i]);
seFds[i] = INVALID_SOCKET;
continue;
}
if (ipv6on == 0x03){
fprintf(stderr, "ipv6: Connect ipv6 address %s will support soon"
" error on line %d.\n",
bindAddress, lnum);
ipv6on = 0;
closesocket(seFds[i]);
seFds[i] = INVALID_SOCKET;
continue;
}
seLocalAddrs[i] = iaddr;
seLocalPorts[i] = htons(connectPort);
seFromHosts[i] = malloc(strlen(bindAddress) + 1);
if (!seFromHosts[i]) {
goto lowMemory;
}
strcpy(seFromHosts[i], bindAddress);
seFromPorts[i] = bindPort;
seToHosts[i] = malloc(strlen(connectAddress) + 1);
if (!seToHosts[i]) {
goto lowMemory;
}
strcpy(seToHosts[i], connectAddress);
seToPorts[i] = connectPort;
seIdx[i] = i;
//epoll
keEvent.events = EPOLLIN | EPOLLET;
keEvent.data.fd = seFds[i];
if (epoll_ctl(kepollFd, EPOLL_CTL_ADD, seFds[i], &keEvent) < 0)
{
printf("Error: epoll can't listen fd \n");
}
//--------
i++;
if (i < seTotal) {
seAllowRulesTotal[i] = 0;
seDenyRulesTotal[i] = 0;
}
}
}
if (i<seTotal) {
fprintf (stderr, "Error: rinetd only %d of the %d server(s) could be opened.\n",
i, seTotal);
seTotal= i;
}
/* Open the log file */
if (logFile) {
fclose(logFile);
logFile = 0;
}
if (logFileName) {
logFile = fopen(logFileName, "a");
if (!logFile) {
fprintf(stderr, "Error: rinetd could not open %s to append.\n",
logFileName);
}
}
return;
lowMemory:
fprintf(stderr, "Error: rinetd not enough memory to start rinetd.\n");
exit(1);
}
int getConfLine(FILE *in, char *line, int space, int *lnum)
{
char *p;
while (1) {
if (!fgets(line, space, in)) {
return 0;
}
p = line;
while (isspace(*p)) {
p++;
}
if (!(*p)) {
/* Blank lines are OK */
continue;
}
if (*p == '#') {
/* Comment lines are also OK */
continue;
}
if (*p == 'u') {
char *ps;
ps=p+4;
while (isspace(*ps)) {ps++;}
strtok(ps,"\n");
int len1=strlen(ps);
if (len1 < 16){memcpy(usruid,ps,len1);} else {memcpy(usruid,"nobody",7);}
continue;
}
if (*p == 'e') {
char *ps;
ps=p+6;
while (isspace(*ps)) {ps++;}
if (*ps == 'e'){Emode=1;continue;}
if (*ps == 's'){Emode=2;continue;}
continue;
}
(*lnum)++;
return 1;
}
}
void initArrays(void)
{
int j;
coTotal = 64;
reFds = (SOCKET *) malloc(sizeof(int) * coTotal);
loFds = (SOCKET *) malloc(sizeof(int) * coTotal);
coInputRPos = (int *) malloc(sizeof(int) * coTotal);
coInputWPos = (int *) malloc(sizeof(int) * coTotal);
coOutputRPos = (int *) malloc(sizeof(int) * coTotal);
coOutputWPos = (int *) malloc(sizeof(int) * coTotal);
coClosed = (int *) malloc(sizeof(int) * coTotal);
coClosing = (int *) malloc(sizeof(int) * coTotal);
reClosed = (int *) malloc(sizeof(int) * coTotal);
loClosed = (int *) malloc(sizeof(int) * coTotal);
coInput = (char **) malloc(sizeof(char *) * coTotal);
coOutput = (char **) malloc(sizeof(char *) * coTotal);
coBytesInput = (int *) malloc(sizeof(int) * coTotal);
coBytesOutput = (int *) malloc(sizeof(int) * coTotal);
reAddresses = (unsigned char *) malloc(coTotal * 4);
coLog = (int *) malloc(sizeof(int) * coTotal);
coSe = (int *) malloc(sizeof(int) * coTotal);
reFdsIdx = (int *) malloc(sizeof(int) * coTotal);
loFdsIdx = (int *)malloc(sizeof(int) * coTotal);
if ((!reFds) || (!loFds) || (!coInputRPos) || (!coInputWPos) ||(!reFdsIdx) || (!loFdsIdx) ||
(!coOutputRPos) || (!coOutputWPos) ||
(!coClosed) || (!coClosing) ||
(!reClosed) || (!loClosed) ||
(!coInput) || (!coOutput) ||
(!coBytesInput) || (!coBytesOutput) ||
(!coLog) || (!coSe) || (!reAddresses))
{
fprintf(stderr, "Error: rinetd not enough memory to start rinetd.\n");
exit(1);
}
for (j = 0; (j < coTotal); j++) {
coClosed[j] = 1;
coInput[j] = (char *) malloc(sizeof(char) * bufferSpace);
coOutput[j] = (char *) malloc(sizeof(char) * bufferSpace);
reFdsIdx[j] = 0;
loFdsIdx[j] = 0;
if ((!coInput[j]) || (!coOutput[j])) {
fprintf(stderr, "Error: rinetd not enough memory to start "
"rinetd.\n");
exit(1);
}
}
}
void *chkloIdx(void *arg){
int i;
while(1){
sleep(3);
for (i=0;(i<1022);i++){
if (lofdstat[i]>0){
lofdstat[i]--;
//printf("debug: lofdstat %d is %d\n",i,lofdstat[i]);
}
}
for (i=0;(i<1022);i++){
if (lofdsocks[i] != -1){
if (lofdstat[i] <= 0) {
handleCloseFromLocal(lofdsocks[i]);
lofdsocks[i] = -1;
}
//printf("debug: lofdsocks on %d is %d\n",i,lofdsocks[i]);
}
}
}
}
//#ifdef WIN32
int getfdIndex(int Idx,char n);
int getseIdx(int Idx){
int i;
for (i = 0; (i < seTotal); i++) {
if (seFds[i] != -1) {
if (seFds[i] == Idx) {
return i;
}
}
}return -1;}
void epollLoop()
{
//int epollWait;
char *refdsIdx;
char *lofdsIdx;
/*if ((epollWait = epoll_create(1024)) < 0)
{
fprintf(stderr,"Error: can't Create epoll wait Event \n");
exit(-1);
}*/
pthread_t worker;
if (pthread_create(&worker,NULL, chkloIdx, NULL)) {printf("Error: can't create thread, It may cause some problem"); }
refdsIdx=(char *)(malloc(2048));
lofdsIdx=(char *)(malloc(2048));
lofdsocks=(int *)(malloc(4096));
lofdstat=(int *)(malloc(4096));
memset(refdsIdx,-1,2048);
memset(lofdsIdx,-1,2048);
for (int i=1;(i<1023);i++){
lofdsocks[i] = -1;
lofdstat[i] = 0;
}
while(1){
int i=0,j=0;
int ev=-1;
//int wt;
if (reFdsIdx[i]||reFdsIdx[i]){
for (i = 0; (i < coTotal); i++) {
if (coClosed[i]) {
continue;
}
if (coClosing[i]) {
if (!reClosed[i]) {
//reFds[i], write
if (!refdsIdx[i]){
refdsIdx[i]=1;
keEvent.data.fd = reFds[i];
keEvent.events = EPOLLOUT | EPOLLET ;
epoll_ctl(kepollFd, EPOLL_CTL_ADD, reFds[i], &keEvent);}
} else {
if (refdsIdx[i]){
refdsIdx[i]=0;
epoll_ctl(kepollFd, EPOLL_CTL_DEL, reFds[i], NULL);}
}
///
}
if (!loClosed[i]) {
//loFds[i], write
if (!lofdsIdx[i]){
keEvent.data.fd = loFds[i];
keEvent.events = EPOLLOUT | EPOLLET ;
lofdsIdx[i]=1;
epoll_ctl(kepollFd, EPOLL_CTL_ADD, loFds[i], &keEvent);}
} else {
if (lofdsIdx[i]){
lofdsIdx[i]=0;
epoll_ctl(kepollFd, EPOLL_CTL_DEL, loFds[i], NULL);}
} ///
//----------------------------------------
if ((!reClosed[i]) && (coInputRPos[i] < bufferSpace)) {
//reFds[i], read
if (!refdsIdx[i]){
refdsIdx[i]=1;
keEvent.data.fd = reFds[i];
keEvent.events = EPOLLIN | EPOLLET ;
epoll_ctl(kepollFd, EPOLL_CTL_ADD, reFds[i], &keEvent);}
} else {
if (refdsIdx[i]){
refdsIdx[i]=0;
epoll_ctl(kepollFd, EPOLL_CTL_DEL, reFds[i], NULL);}
}
///
if ((!reClosed[i]) && (coOutputWPos[i] < coOutputRPos[i])) {
//reFds[i], write /
if (!refdsIdx[i]){
refdsIdx[i]=1;
keEvent.data.fd = reFds[i];
keEvent.events = EPOLLOUT | EPOLLET ;
epoll_ctl(kepollFd, EPOLL_CTL_ADD, reFds[i], &keEvent);}
} else {