323 lines
6.6 KiB
C
323 lines
6.6 KiB
C
#include <stdio.h>
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#include <sys/stat.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <libgen.h>
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#include <signal.h>
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#include <sys/wait.h>
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#include <sys/ioctl.h>
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#if defined(linux)
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# include <pty.h>
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#elif defined(__OpenBSD__) || defined(__NetBSD__)
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# include <util.h>
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#else
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# include <libutil.h>
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#endif
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#include "bbs.h"
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#include "lua/lua.h"
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#include "lua/lualib.h"
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#include "lua/lauxlib.h"
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extern struct bbs_config conf;
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extern int mynode;
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int running_door_pid = 0;
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int running_door = 0;
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extern int timeoutpaused;
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void doorchld_handler(int s)
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{
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// waitpid() might overwrite errno, so we save and restore it:
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while(waitpid(-1, NULL, WNOHANG) > 0);
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running_door = 0;
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}
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int write_door32sys(int socket, struct user_record *user) {
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struct stat s;
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char buffer[256];
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FILE *fptr;
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char *ptr;
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int i;
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sprintf(buffer, "%s/node%d", conf.bbs_path, mynode);
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if (stat(buffer, &s) != 0) {
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mkdir(buffer, 0755);
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}
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sprintf(buffer, "%s/node%d/door32.sys", conf.bbs_path, mynode);
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fptr = fopen(buffer, "w");
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if (!fptr) {
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printf("Unable to open %s for writing!\n", buffer);
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return 1;
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}
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fprintf(fptr, "2\n"); // telnet type
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fprintf(fptr, "%d\n", socket); // socket
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fprintf(fptr, "38400\n"); // baudrate
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fprintf(fptr, "Magicka %d.%d\n", VERSION_MAJOR, VERSION_MINOR);
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fprintf(fptr, "%d\n", user->id);
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fprintf(fptr, "%s %s\n", user->firstname, user->lastname);
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fprintf(fptr, "%s\n", user->loginname);
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fprintf(fptr, "%d\n", user->sec_level);
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fprintf(fptr, "%d\n", user->timeleft);
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fprintf(fptr, "1\n"); // ansi emulation = 1
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fprintf(fptr, "%d\n", mynode);
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fclose(fptr);
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// create dorinfo1.def
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sprintf(buffer, "%s/node%d", conf.bbs_path, mynode);
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if (stat(buffer, &s) != 0) {
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mkdir(buffer, 0755);
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}
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sprintf(buffer, "%s/node%d/dorinfo1.def", conf.bbs_path, mynode);
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fptr = fopen(buffer, "w");
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if (!fptr) {
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printf("Unable to open %s for writing!\n", buffer);
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return 1;
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}
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strcpy(buffer, conf.sysop_name);
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ptr = NULL;
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for (i=0;i<strlen(buffer);i++) {
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if (buffer[i] == ' ') {
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ptr = &buffer[i+1];
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buffer[i] = '\0';
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break;
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}
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}
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fprintf(fptr, "%s\n", conf.bbs_name); // telnet type
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fprintf(fptr, "%s\n", buffer);
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if (ptr != NULL) {
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fprintf(fptr, "%s\n", ptr);
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} else {
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fprintf(fptr, "\n");
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}
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fprintf(fptr, "COM1\n"); // com port
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fprintf(fptr, "38400 BAUD,N,8,1\n");
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fprintf(fptr, "0\n");
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fprintf(fptr, "%s\n", user->firstname);
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fprintf(fptr, "%s\n", user->lastname);
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fprintf(fptr, "%s\n", user->location);
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fprintf(fptr, "1\n");
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fprintf(fptr, "30\n");
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fprintf(fptr, "%d\n", user->timeleft);
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fprintf(fptr, "-1\n");
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fclose(fptr);
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return 0;
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}
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void rundoor(int socket, struct user_record *user, char *cmd, int stdio) {
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char buffer[256];
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int pid;
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char *arguments[4];
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int ret;
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char c;
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int len;
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int status;
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int master;
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int slave;
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fd_set fdset;
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int t;
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struct winsize ws;
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struct sigaction sa;
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timeoutpaused = 1;
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if (write_door32sys(socket, user) != 0) {
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return;
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}
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if (stdio) {
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arguments[0] = strdup(cmd);
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sprintf(buffer, "%d", mynode);
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arguments[1] = strdup(buffer);
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sprintf(buffer, "%d", socket);
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arguments[2] = strdup(buffer);
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arguments[3] = NULL;
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ws.ws_row = 24;
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ws.ws_col = 80;
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running_door = 1;
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if (openpty(&master, &slave, NULL, NULL, &ws) == 0) {
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sa.sa_handler = doorchld_handler;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = SA_RESTART;
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if (sigaction(SIGCHLD, &sa, NULL) == -1) {
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perror("sigaction");
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exit(1);
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}
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pid = fork();
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if (pid < 0) {
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return;
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} else if (pid == 0) {
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close(master);
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dup2(slave, 0);
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dup2(slave, 1);
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close(slave);
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setsid();
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ioctl(0, TIOCSCTTY, 1);
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execvp(cmd, arguments);
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} else {
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running_door_pid = pid;
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while(running_door != 0) {
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FD_ZERO(&fdset);
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FD_SET(master, &fdset);
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FD_SET(socket, &fdset);
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if (master > socket) {
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t = master + 1;
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} else {
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t = socket + 1;
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}
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ret = select(t, &fdset, NULL, NULL, NULL);
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if (ret > 0) {
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if (FD_ISSET(socket, &fdset)) {
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len = read(socket, &c, 1);
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if (len == 0) {
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close(master);
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disconnect(socket);
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return;
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}
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if (c == '\n' || c == '\0') {
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continue;
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}
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write(master, &c, 1);
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} else if (FD_ISSET(master, &fdset)) {
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len = read(master, &c, 1);
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if (len == 0) {
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close(master);
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break;
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}
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write(socket, &c, 1);
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}
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}
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}
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}
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}
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free(arguments[0]);
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free(arguments[1]);
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free(arguments[2]);
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} else {
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sprintf(buffer, "%s %d %d", cmd, mynode, socket);
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system(buffer);
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}
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timeoutpaused = 0;
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}
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int door_menu(int socket, struct user_record *user) {
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int doquit = 0;
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int dodoors = 0;
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char prompt[128];
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char buffer[256];
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int i;
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char c;
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struct stat s;
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int do_internal_menu = 0;
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char *lRet;
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lua_State *L;
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int result;
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if (conf.script_path != NULL) {
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sprintf(buffer, "%s/doors.lua", conf.script_path);
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if (stat(buffer, &s) == 0) {
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L = luaL_newstate();
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luaL_openlibs(L);
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lua_push_cfunctions(L);
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luaL_loadfile(L, buffer);
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do_internal_menu = 0;
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result = lua_pcall(L, 0, 1, 0);
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if (result) {
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fprintf(stderr, "Failed to run script: %s\n", lua_tostring(L, -1));
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do_internal_menu = 1;
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}
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} else {
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do_internal_menu = 1;
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}
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} else {
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do_internal_menu = 1;
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}
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while (!dodoors) {
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if (do_internal_menu == 1) {
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s_displayansi(socket, "doors");
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sprintf(prompt, "\e[0m\r\nTL: %dm :> ", user->timeleft);
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s_putstring(socket, prompt);
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c = s_getc(socket);
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} else {
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lua_getglobal(L, "menu");
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result = lua_pcall(L, 0, 1, 0);
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if (result) {
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fprintf(stderr, "Failed to run script: %s\n", lua_tostring(L, -1));
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do_internal_menu = 1;
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lua_close(L);
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continue;
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}
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lRet = (char *)lua_tostring(L, -1);
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lua_pop(L, 1);
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c = lRet[0];
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}
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switch(tolower(c)) {
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case 'q':
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dodoors = 1;
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break;
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case 'g':
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{
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s_putstring(socket, "\r\nAre you sure you want to log off? (Y/N)");
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c = s_getc(socket);
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if (tolower(c) == 'y') {
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doquit = 1;
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dodoors = 1;
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}
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}
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break;
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default:
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{
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for (i=0;i<conf.door_count;i++) {
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if (tolower(c) == tolower(conf.doors[i]->key)) {
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dolog("%s is launched door %s, on node %d", user->loginname, conf.doors[i]->name, mynode);
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rundoor(socket, user, conf.doors[i]->command, conf.doors[i]->stdio);
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dolog("%s is returned from door %s, on node %d", user->loginname, conf.doors[i]->name, mynode);
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break;
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}
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}
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}
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break;
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}
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}
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if (do_internal_menu == 0) {
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lua_close(L);
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}
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return doquit;
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}
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