功能：可以自由输入ip:port，实现自由穿梭。
应用的bbs:PSEBBS、zixiaBBS
在bbsnet.ini中加入一行
自定义站点 自定义站点 127.0.0.1
其实，只判断第二个,站名是"自定义站点"，其它两个只是占位，并无作用。
新加功能：
1.跳光标
2.支持166.111.34.155:2300形式
3.支持backspace(不过不能跨:)
/*bbsnet.c*/
// NJU bbsnet, preview version, zhch@dii.nju.edu.cn, 2000.3.23 //
// HIT bbsnet, Changed by Sunner, sun@bbs.hit.edu.cn, 2000.6.11
// PSE bbsnet, Changed by zdh, dh_zheng@hotmail.com,2001.12.04
#include <stdio.h>
#include <termios.h>
#include <string.h>
#include <time.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <signal.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/telnet.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/time.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <math.h>
#include <sys/file.h>
#include "bbs.h" //这个应该是有的吧。
char host1[100][40], host2[100][40], ip[100][40];
char ip_zdh[40];//用来接受用户的ip
static char buf[100]; // output buffer
int port[100], counts= 0;
char str[]= "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!
@#$%^&*()";
char datafile[80]= BBSHOME "/etc/bbsnet.ini";
char userid[80]= "unknown";
init_data() {
FILE *fp;
char t[256], *t1, *t2, *t3, *t4;
fp= fopen(datafile, "r");
if(fp== NULL) return;
while(fgets(t, 255, fp)&& counts <= 72) {
t1= strtok(t, " \t");
t2= strtok(NULL, " \t\n");
t3= strtok(NULL, " \t\n");
t4= strtok(NULL, " \t\n");
if(t1[0]== '#'|| t1== NULL|| t2== NULL|| t3== NULL) continue;
strncpy(host1[counts], t1, 16);
strncpy(host2[counts], t2, 36);
strncpy(ip[counts], t3, 36);
port[counts]= t4? atoi(t4): 23;
counts++;
}
fclose(fp);
}
sh(int n) {
static oldn= -1;
if(n>= counts) return;
if(oldn >=0) {
locate(oldn);
printf("*[1;32m %c.*[m%s", str[oldn], host2[oldn]);
}
oldn= n;
if (strcmp(host2[n],"自定义站点")==0){ //判断自定义站点
printf("*[22;3H*[1;37m使用方法: 按回车后输入ip。*[1;33m*[22;32H*[1;37m 站
名: *[1;33m自定义站点 \r\n");
printf("*[1;37m*[23;3H连往: *[1;33m__________ *[21;1H"
);
}
else{
printf("*[22;3H*[1;37m单位: *[1;33m%s *[22;32H*[1;37m
站名: *[1;33m%s \r\n", host1[n], host2[n]);
printf("*[1;37m*[23;3H连往: *[1;33m%s *[21;1H", ip[n])
;
}
locate(n);
printf("[%c]*[1;42m%s*[m", str[n], host2[n]);
}
show_all() {
int n;
printf("*[H*[2J*[m");
printf("┏━━━━━━━━━━━━━━━*[1;35m 月 光 宝 盒 *[m━━━
━━━━━━━━━━━━┓\r\n");
for(n= 1; n< 22; n++)
printf("┃
┃\r\n");
printf("┃
*[1;36m按*[1;33mCtrl+C*[1;36m退出*[m ┃\r\n");
printf("┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
━━━━━━━┛");
printf("*[21;3H───*[1;36m般若波羅密*[m───────*[1;36m般-若-波-羅
-蜜~~*[m───────*[1;36m般若波羅密*[m───");
//printf("*[21;3H*[1;36m般若波羅密般若波羅密般若波羅密般若波羅密般若波羅
密般若波羅密般若波羅密般若波*[m");
for(n= 0; n< counts; n++) {
locate(n);
printf("*[1;32m %c.*[m%s", str[n], host2[n]);
}
}
locate(int n) {
int x, y;
char buf[20];
if(n>= counts) return;
y= n%19 + 2;
x= n /19 * 24+ 4;
sprintf(buf, "*[%d;%dH", y, x);
printf(buf);
}
int getch()
{
int c, d, e;
static lastc= 0;
c= getchar();
if(c== 10&& lastc== 13) c=getchar();
lastc= c;
if(c!= 27) return c;
d= getchar();
e= getchar();
if(d== 27) return 27;
if(e== 'A') return 257;
if(e== 'B') return 258;
if(e== 'C') return 259;
if(e== 'D') return 260;
return 0;
}
void QuitTime()
{
reset_tty();
exit(0);
}
void SetQuitTime()
{
signal(SIGALRM, QuitTime);
alarm(60);
}
main_loop() {
int p= 0;
int c, n;
L:
show_all();
sh(p);
fflush(stdout);
while(1) {
c= getch();
if(c== 3|| c== 4|| c== 27|| c< 0) break;
if(c== 257&& p> 0) p--;
if(c== 258&& p< counts- 1) p++;
if(c== 259&& p< counts- 19) p+=19;
if(c== 260&& p>= 19) p-=19;
if(c== 13|| c== 10) {
bbsnet(p);
goto L;
}
for(n=0; n< counts; n++) if(str[n]== c) p= n;
sh(p);
fflush(stdout);
}
}
bbsnet(int n) {
char buf1[40],buf2[39],c,buf3[2];//增加的变量
int i;//
int l;//判断是不是port
int j,m;
if(n>= counts) return;
if (strcmp(host2[n],"自定义站点")==0){//如果是自定义站点，等待输入ip或域
名
for (i=0;i<25;i++) {buf1[i]='\0';buf2[i]='\0';}
prints("*[1;32m*[23;3H连往: ");
refresh();
j=0;
l=0;
for (i=0;i<15;i++){
c= getch();
if (c==' '||c=='\015'||c=='\0'||c=='\n') break;
if (c==':'){
l=1;
sprintf(buf3,"%c",c);
prints("*[0;1m");
prints(buf3);
prints("*[1;33m");
refresh();
strcpy(ip_zdh,buf1);
strcpy(ip[n],ip_zdh);
for (m=0;m<20;m++) {buf1[m]='\0';buf2[m]='\0';}
j=0;
}
if ((c>='0'&&c<='9')||(c=='.')||(c>='A'&&c<='Z')||(c>='a'&&c<='z'))
{
sprintf(buf3,"%c",c);
sprintf(buf2,"%s%c",buf1,c);
sprintf(buf1,"%s",buf2);
prints(buf3);
refresh();
j=j+1;
}
if ((c==8)&&(j>=1)){
for(m=j-1;m<20;m++) {buf1[m]='\0';buf2[m]='\0';}
sprintf(buf3,"%c",c);
prints(buf3);
refresh();
j--;
}
refresh();
i--;
}
if(l==0){
strcpy(ip_zdh,buf1);
strcpy(ip[n],ip_zdh);
}
else{port[n]=atoi(buf1);}
}
printf("*[H*[2J*[1;32mo 连往: %s (%s)\r\n", host2[n], ip[n]);
printf("%s\r\n\r\n*[m", "o 连不上时请稍候，30 秒后将自动退出");
fflush(stdout);
proc(host2[n],ip[n], port[n]);
}
main(int n, char* cmd[]) {
SetQuitTime();
get_tty();
init_tty();
if(n>= 2) strcpy(datafile, cmd[1]);
if(n>= 3) strcpy(userid, cmd[2]);
init_data();
main_loop();
printf("*[m");
reset_tty();
}
syslog(char* s) {
char buf[512], timestr[16], *thetime, ip[16];
time_t dtime;
int fd;
struct sockaddr_in tmpsin;
int tmplen = sizeof(struct sockaddr_in);
getpeername(0, &tmpsin,(int *) &tmplen);
strncpy( ip, inet_ntoa(tmpsin.sin_addr), 16 );
time(&dtime);
thetime = (char*) ctime(&dtime);
strncpy(timestr, &(thetime[4]), 15);
timestr[15] = '\0';
//sprintf(buf,"%s %s@%s %s\n", timestr, userid, ip, s) ;
snprintf(buf, 512, "%s %-15s %-5d %s\n", timestr, ip, (int)getpid(),
s) ;
fd=open(BBSHOME "/reclog/bbsnet.log", O_CREAT | O_APPEND | O_WRONLY
);
flock( fd, LOCK_EX );
write( fd, buf, strlen(buf) );
flock( fd, LOCK_UN );
close(fd);
}
#define stty(fd, data) tcsetattr( fd, TCSANOW, data )
#define gtty(fd, data) tcgetattr( fd, data )
struct termios tty_state, tty_new ;
get_tty()
{
if(gtty(1,&tty_state) < 0)
return 0;
return 1 ;
}
init_tty()
{
long vdisable;
memcpy( &tty_new, &tty_state, sizeof(tty_new)) ;
tty_new.c_lflag &= ~(ICANON|ECHO|ECHOE|ECHOK|ISIG);
tty_new.c_cflag &= ~CSIZE;
tty_new.c_cflag |= CS8;
tty_new.c_cc[ VMIN ] = 1;
tty_new.c_cc[ VTIME ] = 0;
if ((vdisable = fpathconf(STDIN_FILENO, _PC_VDISABLE)) >= 0)
{
tty_new.c_cc[VSTART] = vdisable;
tty_new.c_cc[VSTOP] = vdisable;
tty_new.c_cc[VLNEXT] = vdisable;
}
tcsetattr(1, TCSANOW, &tty_new);
}
reset_tty()
{
stty(1,&tty_state) ;
}
proc(char *hostname, char *server,int port)
{
int fd;
struct sockaddr_in blah;
struct hostent *he;
int result;
unsigned char buf[2048];
fd_set readfds;
struct timeval tv;
signal(SIGALRM, QuitTime);
alarm(30);
bzero((char *)&blah,sizeof(blah));
blah.sin_family=AF_INET;
blah.sin_addr.s_addr=inet_addr(server);
blah.sin_port=htons(port);
fflush(stdout);
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if ((he = gethostbyname(server)) != NULL)
bcopy(he->h_addr, (char *)&blah.sin_addr, he->h_length);
else
if ((blah.sin_addr.s_addr = inet_addr(server)) < 0) return;
if(connect(fd,(struct sockaddr *)&blah,16)<0) return;
signal(SIGALRM, SIG_IGN);
printf("已经连接上主机，按'ctrl+]'快速退出。\n");
sprintf(buf, "Login %s (%s)", hostname, server);
syslog(buf);
while(1)
{
tv.tv_sec = 2400;
tv.tv_usec = 0;
FD_ZERO(&readfds) ;
FD_SET(fd,&readfds);
FD_SET(0,&readfds);
result = select(fd + 1,&readfds,NULL,NULL,&tv);
if (result <= 0) break;
if (FD_ISSET(0,&readfds))
{
result = read(0,buf,2048);
if (result<=0) break;
if(result==1&&(buf[0]==10||buf[0]==13)){
buf[0]=13;
buf[1]=10;
result=2;
}
//if(buf[0]==29){close(fd);return;}
if(buf[0]==29){close(fd);break;}
write(fd,buf,result);
}else{
result=read(fd,buf,2048);
if (result<=0) break;
if(strchr(buf, 255))
telnetopt(fd, buf,result);
else
write(0,buf,result);
}
}
sprintf(buf, "Logout %s (%s)", hostname, server);
syslog(buf);
}
int telnetopt(int fd, char* buf, int max)
{
unsigned char c,d,e;
int pp=0;
unsigned char tmp[30];
while(pp<max)
{
c=buf[pp++];
if(c==255)
{
d=buf[pp++];
e=buf[pp++];
fflush(stdout);
if((d==253)&&(e==3||e==24)) {
tmp[0]=255;tmp[1]=251;tmp[2]=e;write(fd,tmp,3);contin
ue;}
if((d==251||d==252)&&(e==1||e==3||e==24)) {
tmp[0]=255;tmp[1]=253;tmp[2]=e;write(fd,tmp,3);contin
ue;}
if(d==251||d==252) {
tmp[0]=255;tmp[1]=254;tmp[2]=e;write(fd,tmp,3);contin
ue;}
if(d==253||d==254) {
tmp[0]=255;tmp[1]=252;tmp[2]=e;write(fd,tmp,3);contin
ue;}
if(d==250) {
while(e!=240&&pp<max)e=buf[pp++];
tmp[0]=255;tmp[1]=250;tmp[2]=24;tmp[3]=0;tmp[4]=65;
tmp[5]=78;tmp[6]=83;tmp[7]=73;tmp[8]=255;tmp[9]=240
;
write(fd,tmp,10);
}
}
else
write(0,&c,1);
}
}
int refresh() {
write(0, buf, strlen(buf));
buf[0]= 0;
}
int prints(char* b) {
strcat(buf, b);
}
--
FROM 166.111.34.163