397 lines
9.2 KiB
C
397 lines
9.2 KiB
C
#include <stdio.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/fcntl.h>
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#include <signal.h>
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#include "inih/ini.h"
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#include "bbs.h"
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int mynode;
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struct bbs_config conf;
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struct user_record *gUser;
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int gSocket;
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int usertimeout;
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void timer_handler(int signum) {
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if (signum == SIGALRM) {
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if (gUser != NULL) {
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gUser->timeleft--;
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if (gUser->timeleft <= 0) {
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s_putstring(gSocket, "\r\n\r\nSorry, you're out of time today..\r\n");
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disconnect(gSocket);
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}
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}
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usertimeout--;
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if (usertimeout <= 0) {
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s_putstring(gSocket, "\r\n\r\nTimeout waiting for input..\r\n");
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disconnect(gSocket);
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}
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}
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}
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static int mail_area_handler(void* user, const char* section, const char* name,
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const char* value)
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{
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struct mail_conference *mc = (struct mail_conference *)user;
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int i;
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if (strcasecmp(section, "main") == 0) {
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if (strcasecmp(name, "visible sec level")) {
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mc->sec_level = atoi(value);
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}
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} else {
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// check if it's partially filled in
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for (i=0;i<mc->mail_area_count;i++) {
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if (strcasecmp(mc->mail_areas[i]->name, section) == 0) {
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if (strcasecmp(name, "read sec level") == 0) {
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mc->mail_areas[i]->read_sec_level = atoi(value);
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} else if (strcasecmp(name, "write sec level") == 0) {
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mc->mail_areas[i]->write_sec_level = atoi(value);
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} else if (strcasecmp(name, "path") == 0) {
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mc->mail_areas[i]->path = strdup(value);
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}
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return 1;
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}
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}
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if (mc->mail_area_count == 0) {
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mc->mail_areas = (struct mail_area **)malloc(sizeof(struct mail_area *));
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} else {
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mc->mail_areas = (struct mail_area **)realloc(mc->mail_areas, sizeof(struct mail_area *) * (mc->mail_area_count + 1));
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}
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mc->mail_areas[mc->mail_area_count] = (struct mail_area *)malloc(sizeof(struct mail_area));
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mc->mail_areas[mc->mail_area_count]->name = strdup(section);
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if (strcasecmp(name, "read sec level") == 0) {
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mc->mail_areas[mc->mail_area_count]->read_sec_level = atoi(value);
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} else if (strcasecmp(name, "write sec level") == 0) {
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mc->mail_areas[mc->mail_area_count]->write_sec_level = atoi(value);
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} else if (strcasecmp(name, "path") == 0) {
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mc->mail_areas[mc->mail_area_count]->path = strdup(value);
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}
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mc->mail_area_count++;
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}
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return 1;
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}
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static int handler(void* user, const char* section, const char* name,
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const char* value)
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{
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struct bbs_config *conf = (struct bbs_config *)user;
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if (strcasecmp(section, "main") == 0) {
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if (strcasecmp(name, "bbs name") == 0) {
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conf->bbs_name = strdup(value);
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} else if (strcasecmp(name, "sysop name") == 0) {
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conf->sysop_name = strdup(value);
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} else if (strcasecmp(name, "nodes") == 0) {
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conf->nodes = atoi(value);
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} else if (strcasecmp(name, "new user level") == 0) {
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conf->newuserlvl = atoi(value);
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}
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} else if (strcasecmp(section, "paths") == 0){
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if (strcasecmp(name, "ansi path") == 0) {
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conf->ansi_path = strdup(value);
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} else if (strcasecmp(name, "bbs path") == 0) {
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conf->bbs_path = strdup(value);
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}
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} else if (strcasecmp(section, "mail conferences") == 0) {
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if (conf->mail_conference_count == 0) {
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conf->mail_conferences = (struct mail_conference **)malloc(sizeof(struct mail_conference *));
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} else {
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conf->mail_conferences = (struct mail_conference **)realloc(conf->mail_conferences, sizeof(struct mail_conference *) * (conf->mail_conference_count + 1));
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}
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conf->mail_conferences[conf->mail_conference_count] = (struct mail_conference *)malloc(sizeof(struct mail_conference));
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conf->mail_conferences[conf->mail_conference_count]->name = strdup(name);
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conf->mail_conferences[conf->mail_conference_count]->path = strdup(value);
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conf->mail_conferences[conf->mail_conference_count]->mail_area_count = 0;
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conf->mail_conference_count++;
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}
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return 1;
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}
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void s_putchar(int socket, char c) {
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write(socket, &c, 1);
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}
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void s_putstring(int socket, char *c) {
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write(socket, c, strlen(c));
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}
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void s_displayansi(int socket, char *file) {
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FILE *fptr;
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char c;
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char buffer[256];
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sprintf(buffer, "%s/%s.ans", conf.ansi_path, file);
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fptr = fopen(buffer, "r");
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if (!fptr) {
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return;
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}
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c = fgetc(fptr);
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while (!feof(fptr)) {
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s_putchar(socket, c);
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c = fgetc(fptr);
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}
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fclose(fptr);
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}
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char s_getchar(int socket) {
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unsigned char c;
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int len;
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len = read(socket, &c, 1);
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if (len == 0) {
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disconnect(socket);
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}
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while (c == 255) {
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len = read(socket, &c, 1);
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if (len == 0) {
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disconnect(socket);
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}
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len = read(socket, &c, 1);
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if (len == 0) {
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disconnect(socket);
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}
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len = read(socket, &c, 1);
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if (len == 0) {
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disconnect(socket);
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}
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}
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usertimeout = 10;
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return (char)c;
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}
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char s_getc(int socket) {
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char c = s_getchar(socket);
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s_putchar(socket, c);
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return (char)c;
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}
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void s_readstring(int socket, char *buffer, int max) {
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int i;
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char c;
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for (i=0;i<max;i++) {
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c = s_getchar(socket);
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if ((c == '\b' || c == 127) && i > 0) {
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buffer[i-1] = '\0';
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i -= 2;
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s_putstring(socket, "\e[D \e[D");
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continue;
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}
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if (c == '\n' || c == '\r') {
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c = s_getchar(socket);
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return;
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}
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s_putchar(socket, c);
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buffer[i] = c;
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buffer[i+1] = '\0';
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}
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}
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void s_readpass(int socket, char *buffer, int max) {
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int i;
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char c;
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for (i=0;i<max;i++) {
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c = s_getchar(socket);
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if ((c == '\b' || c == 127) && i > 0) {
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buffer[i-1] = '\0';
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i-=2;
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s_putstring(socket, "\e[D \e[D");
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continue;
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}
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if (c == '\n' || c == '\r') {
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c = s_getchar(socket);
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return;
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}
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s_putchar(socket, '*');
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buffer[i] = c;
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buffer[i+1] = '\0';
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}
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}
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void disconnect(int socket) {
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char buffer[256];
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if (gUser != NULL) {
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save_user(gUser);
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}
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sprintf(buffer, "%s/nodeinuse.%d", conf.bbs_path, mynode);
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remove(buffer);
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close(socket);
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exit(0);
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}
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void runbbs(int socket, char *config_path) {
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char buffer[256];
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char password[17];
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struct stat s;
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FILE *nodefile;
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int i;
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char iac_echo[] = {255, 251, 1, '\0'};
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char iac_sga[] = {255, 251, 3, '\0'};
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struct user_record *user;
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struct tm thetime;
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struct tm oldtime;
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time_t now;
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struct itimerval itime;
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struct sigaction sa;
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write(socket, iac_echo, 3);
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write(socket, iac_sga, 3);
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sprintf(buffer, "Magicka BBS v%d.%d (%s) Loading...\r\n", VERSION_MAJOR, VERSION_MINOR, VERSION_STR);
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s_putstring(socket, buffer);
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conf.mail_conference_count = 0;
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// Load BBS data
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if (ini_parse(config_path, handler, &conf) <0) {
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printf("Unable to load configuration ini (%s)!\n", config_path);
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exit(-1);
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}
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// Load mail Areas
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for (i=0;i<conf.mail_conference_count;i++) {
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if (ini_parse(conf.mail_conferences[i]->path, mail_area_handler, conf.mail_conferences[i]) <0) {
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printf("Unable to load configuration ini (%s)!\n", conf.mail_conferences[i]->path);
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exit(-1);
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}
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}
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// find out which node we are
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mynode = 0;
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for (i=1;i<=conf.nodes;i++) {
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sprintf(buffer, "%s/nodeinuse.%d", conf.bbs_path, i);
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if (stat(buffer, &s) != 0) {
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mynode = i;
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nodefile = fopen(buffer, "w");
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if (!nodefile) {
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printf("Error opening nodefile!\n");
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close(socket);
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exit(1);
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}
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fputs("UNKNOWN", nodefile);
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fclose(nodefile);
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break;
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}
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}
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if (mynode == 0) {
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s_putstring(socket, "Sorry, all nodes are in use. Please try later\r\n");
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close(socket);
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exit(1);
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}
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gUser = NULL;
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gSocket = socket;
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usertimeout = 10;
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memset (&sa, 0, sizeof (sa));
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sa.sa_handler = &timer_handler;
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sa.sa_flags = SA_RESTART;
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sigaction (SIGALRM, &sa, 0);
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itime.it_interval.tv_sec = 60;
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itime.it_interval.tv_usec = 0;
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itime.it_value.tv_sec = 60;
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itime.it_value.tv_usec = 0;
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setitimer (ITIMER_REAL, &itime, 0);
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s_displayansi(socket, "issue");
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s_putstring(socket, "Enter your Login Name or NEW to create an account\r\n");
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s_putstring(socket, "Login:> ");
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s_readstring(socket, buffer, 25);
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if (strcasecmp(buffer, "new") == 0) {
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user = new_user(socket);
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} else {
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s_putstring(socket, "\r\nPassword:> ");
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s_readpass(socket, password, 16);
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user = check_user_pass(socket, buffer, password);
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if (user == NULL) {
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s_putstring(socket, "\r\nIncorrect Login.\r\n");
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disconnect(socket);
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}
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for (i=1;i<=conf.nodes;i++) {
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sprintf(buffer, "%s/nodeinuse.%d", conf.bbs_path, i);
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if (stat(buffer, &s) == 0) {
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nodefile = fopen(buffer, "r");
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if (!nodefile) {
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printf("Error opening nodefile!\n");
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disconnect(socket);
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}
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fgets(buffer, 256, nodefile);
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buffer[strlen(buffer) - 1] = '\0';
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if (strcasecmp(user->loginname, buffer) == 0) {
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fclose(nodefile);
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s_putstring(socket, "You are already logged in.\r\n");
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disconnect(socket);
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}
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fclose(nodefile);
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}
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}
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}
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sprintf(buffer, "%s/nodeinuse.%d", conf.bbs_path, mynode);
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nodefile = fopen(buffer, "w");
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if (!nodefile) {
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printf("Error opening nodefile!\n");
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close(socket);
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exit(1);
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}
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fputs(user->loginname, nodefile);
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fclose(nodefile);
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// do post-login
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// check time left
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now = time(NULL);
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localtime_r(&now, &thetime);
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localtime_r(&user->laston, &oldtime);
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if (thetime.tm_mday != oldtime.tm_mday || thetime.tm_mon != oldtime.tm_mon || thetime.tm_year != oldtime.tm_year) {
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user->timeleft = user->sec_info->timeperday;
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user->laston = now;
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save_user(user);
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}
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gUser = user;
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// main menu
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main_menu(socket, user);
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disconnect(socket);
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}
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