int bbsnet(struct _select_def *conf, int n)
{
time_t now;
struct hostent *pHost = NULL;
struct sockaddr_in remote;
unsigned char buf[BUFSIZ];
int rc;
int rv;
int maxfdp1;
fd_set readset;
struct timeval tv;
int tos = 020; /* Low delay bit */
int i;
sig_t oldsig;
int ret;
int key;
char buf1[40], buf2[40], c, buf3[40]; //增加的变量
int l; //判断是不是port
int j;
if (strcmp(host2[n], "般若波羅密") == 0) { //如果是自定义站点，等待输入ip或域名
memset(buf1, 0, sizeof(buf1));
move(22,2);
prints("\033[1;32m连往: \033[m");
refresh();
j = 0;
l = 0;
for (i = 0; i < 30;) {
c = igetch();
if (c == ' ' || c == '\015' || c == '\0' || c == '\n')
break;
if (c == ':') {
l = 1;
sprintf(buf3, "%c", c);
prints("\033[0;1m");
prints(buf3);
prints("\033[1;33m");
refresh();
strncpy(ip_zdh, buf1, 40);
strncpy(ip[n], ip_zdh, 40);
memset(buf1, 0, sizeof(buf1));
j = 0;
i++;
}
if ((c >= '0' && c <= '9') || (((c == '.') || (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')) && !l)) {
sprintf(buf3, "%c", c);
sprintf(buf2, "%s%c", buf1, c);
sprintf(buf1, "%s", buf2);
prints(buf3);
refresh();
j++;
i++;
}
if ((c == 8) && (j >= 1)) {
buf1[j - 1] = '\0';
sprintf(buf3, "\033[D\033[1;33m_\033[%sm\033[D", l ? "1;33" : "0");
prints(buf3);
refresh();
i--;
j--;
}
}
if (l == 0) {
strncpy(ip_zdh, buf1, 40);
strcpy(ip[n], ip_zdh);
} else {
port[n] = atoi(buf1);
}
}
now = time(NULL);
clear();
prints("\033[1;32m正在测试往 %s (%s) 的连接，请稍候... \033[m\n",
host2[n], ip[n]);
prints("\033[1;32m如果在 %d 秒内无法连上，穿梭程序将放弃连接。\033[m\n",
TIME_OUT);
if (setjmp(jb) == 0) {
oldsig = signal(SIGALRM, bbsnet_timeout);
alarm(TIME_OUT);
pHost = gethostbyname(ip[n]);
alarm(0);
signal(SIGALRM, oldsig);
}
if (pHost == NULL) {
prints("\033[1;31m查找主机名失败！\033[m\n");
pressreturn();
return -1;
}
if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
prints("\033[1;31m无法创建socket！\033[m\n");
pressreturn();
return -1;
}
bzero(&remote, sizeof(remote));
remote.sin_family = AF_INET;
remote.sin_port = htons(port[n]);
remote.sin_addr = *(struct in_addr *)pHost->h_addr_list[0];
prints("\033[1;32m穿梭进度条提示您当前已使用的时间。\033[m\n");
process_bar(0, MAX_PROCESS_BAR_LEN);
for (i = 0; i < MAX_PROCESS_BAR_LEN; i++) {
if (i == 0)
rv = NonBlockConnectEx(sockfd, (struct sockaddr *)&remote,
sizeof(remote), 500, 1);
else
rv = NonBlockConnectEx(sockfd, (struct sockaddr *)&remote,
sizeof(remote), 500, 0);
if (rv == ERR_TCPLIB_TIMEOUT) {
process_bar(i+1, MAX_PROCESS_BAR_LEN);
continue;
} else if (rv == 0)
break;
else {
prints("\033[1;31m连接失败！\033[m\n");
pressreturn();
ret = -1;
goto on_error;
}
}
if (i == MAX_PROCESS_BAR_LEN) {
prints("\033[1;31m连接超时！\033[m\n");
pressreturn();
ret = -1;
goto on_error;
}
setsockopt(sockfd, IPPROTO_IP, IP_TOS, &tos, sizeof(int));
prints("\033[1;31m连接成功！\033[m\n");
bbsnet_report(host2[n], ip[n], now, 0);
clear();
refresh();
bbsnet_send_winsize(sockfd);
for (;;) {
FD_ZERO(&readset);
FD_SET(0, &readset);
FD_SET(sockfd, &readset);
maxfdp1 = sockfd + 1;
tv.tv_sec = 1200;
tv.tv_usec = 0;
/*if ((rv = SignalSafeSelect(maxfdp1, &readset, NULL, NULL, &tv)) == -1)*/
if ((rv = select(maxfdp1, &readset, NULL, NULL, &tv)) == -1) {
if (errno == EINTR) {
while (msg_count) {
msg_count--;
r_msg();
}
continue;
}
ret = -1;
goto on_error;
}
if (rv == 0) {
ret = -1;
goto on_error;
}
if (FD_ISSET(sockfd, &readset)) {
if ((rc = read(sockfd, buf, BUFSIZ)) < 0) {
ret = -1;
goto on_error;
} else if (rc == 0)
break;
else if (strchr((void*)buf, 255)) /* 查找是否含有TELNET命令IAC */
telnetopt(sockfd, (void*)buf, rc);
else {
output((void*)buf, rc);
oflush();
}
}
if (FD_ISSET(0, &readset)) {
if ((rc = bbsnet_read(0, (void*)buf, BUFSIZ)) < 0) {
ret = -1;
goto on_error;
}
if (rc == 0)
break;
if ((key = list_select_remove_key(conf)) != KEY_INVALID) {
if (key == KEY_ONSIZE) {
bbsnet_send_winsize(sockfd);
}
}
write(sockfd, buf, rc);
}
}
bbsnet_report(host2[n], ip[n], now, 1);
ret = 0;
on_error:
close(sockfd);
clear();
redoscr();
return ret;
}
int bbsnet(struct _select_def *conf, int n)
{
time_t now;
struct hostent *pHost = NULL;
struct sockaddr_in remote;
unsigned char buf[BUFSIZ];
int rc;
int rv;
int maxfdp1;
fd_set readset;
struct timeval tv;
int tos = 020; /* Low delay bit */
int i;
sig_t oldsig;
int ret;
int key;
now = time(NULL);
clear();
prints("\033[1;32m正在测试往 %s (%s) 的连接，请稍候... \033[m\n",
host1[n], ip[n]);
prints("\033[1;32m如果在 %d 秒内无法连上，穿梭程序将放弃连接。\033[m\n",
TIME_OUT);
if (setjmp(jb) == 0) {
oldsig = signal(SIGALRM, bbsnet_timeout);
alarm(TIME_OUT);
pHost = gethostbyname(ip[n]);
alarm(0);
signal(SIGALRM, oldsig);
}
if (pHost == NULL) {
prints("\033[1;31m查找主机名失败！\033[m\n");
pressreturn();
return -1;
}
if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
prints("\033[1;31m无法创建socket！\033[m\n");
pressreturn();
return -1;
}
bzero(&remote, sizeof(remote));
remote.sin_family = AF_INET;
remote.sin_port = htons(port[n]);
remote.sin_addr = *(struct in_addr *)pHost->h_addr_list[0];
prints("\033[1;32m穿梭进度条提示您当前已使用的时间。\033[m\n");
process_bar(0, MAX_PROCESS_BAR_LEN);
for (i = 0; i < MAX_PROCESS_BAR_LEN; i++) {
if (i == 0)
rv = NonBlockConnectEx(sockfd, (struct sockaddr *)&remote,
sizeof(remote), 500, 1);
else
rv = NonBlockConnectEx(sockfd, (struct sockaddr *)&remote,
sizeof(remote), 500, 0);
if (rv == ERR_TCPLIB_TIMEOUT) {
process_bar(i+1, MAX_PROCESS_BAR_LEN);
continue;
} else if (rv == 0)
break;
else {
prints("\033[1;31m连接失败！\033[m\n");
pressreturn();
ret = -1;
goto on_error;
}
}
if (i == MAX_PROCESS_BAR_LEN) {
prints("\033[1;31m连接超时！\033[m\n");
pressreturn();
ret = -1;
goto on_error;
}
setsockopt(sockfd, IPPROTO_IP, IP_TOS, &tos, sizeof(int));
prints("\033[1;31m连接成功！\033[m\n");
bbsnet_report(host1[n], ip[n], now, 0);
clear();
refresh();
bbsnet_send_winsize(sockfd);
for (;;) {
FD_ZERO(&readset);
FD_SET(0, &readset);
FD_SET(sockfd, &readset);
maxfdp1 = sockfd + 1;
tv.tv_sec = 1200;
tv.tv_usec = 0;
/*if ((rv = SignalSafeSelect(maxfdp1, &readset, NULL, NULL, &tv)) == -1)*/
if ((rv = select(maxfdp1, &readset, NULL, NULL, &tv)) == -1) {
if (errno == EINTR) {
while (msg_count) {
msg_count--;
r_msg();
}
continue;
}
ret = -1;
goto on_error;
}
if (rv == 0) {
ret = -1;
goto on_error;
}
if (FD_ISSET(sockfd, &readset)) {
if ((rc = read(sockfd, buf, BUFSIZ)) < 0) {
ret = -1;
goto on_error;
} else if (rc == 0)
break;
else if (strchr((void*)buf, 255)) /* 查找是否含有TELNET命令IAC */
telnetopt(sockfd, (void*)buf, rc);
else {
output((void*)buf, rc);
oflush();
}
}
if (FD_ISSET(0, &readset)) {
if ((rc = bbsnet_read(0, (void*)buf, BUFSIZ)) < 0) {
ret = -1;
goto on_error;
}
if (rc == 0)
break;
if ((key = list_select_remove_key(conf)) != KEY_INVALID)
if (key == KEY_ONSIZE)
bbsnet_send_winsize(sockfd);
write(sockfd, buf, rc);
}
}
bbsnet_report(host1[n], ip[n], now, 1);
ret = 0;
on_error:
close(sockfd);
clear();
redoscr();
return ret;
}
