311 lines
7.0 KiB
C
311 lines
7.0 KiB
C
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <netdb.h>
|
|
#include <arpa/inet.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include "deps/jsmn/jsmn.h"
|
|
#include "bbs.h"
|
|
|
|
extern struct bbs_config conf;
|
|
extern int mynode;
|
|
extern int gSocket;
|
|
extern int sshBBS;
|
|
|
|
static char **screenbuffer;
|
|
static int chat_socket;
|
|
static int line_at;
|
|
static int row_at;
|
|
static char sbuf[512];
|
|
extern struct user_record gUser;
|
|
|
|
struct chat_msg {
|
|
char nick[16];
|
|
char bbstag[16];
|
|
char msg[256];
|
|
};
|
|
|
|
static int jsoneq(const char *json, jsmntok_t *tok, const char *s) {
|
|
if (tok->type == JSMN_STRING && (int) strlen(s) == tok->end - tok->start &&
|
|
strncmp(json + tok->start, s, tok->end - tok->start) == 0) {
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static char *encapsulate_quote(char *in) {
|
|
char out[160];
|
|
int i;
|
|
int j = 0;
|
|
for (i=0;i<strlen(in);i++) {
|
|
if (in[j] == '\"') {
|
|
out[i++] = '\\';
|
|
}
|
|
out[i] = in[j];
|
|
j++;
|
|
}
|
|
return strdup(out);
|
|
}
|
|
|
|
void scroll_up() {
|
|
int y;
|
|
|
|
for (y=1;y<23;y++) {
|
|
strcpy(screenbuffer[y-1], screenbuffer[y]);
|
|
|
|
}
|
|
memset(screenbuffer[22], 0, 81);
|
|
row_at = 0;
|
|
}
|
|
|
|
void raw(char *fmt, ...) {
|
|
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vsnprintf(sbuf, 512, fmt, ap);
|
|
va_end(ap);
|
|
write(chat_socket, sbuf, strlen(sbuf));
|
|
}
|
|
|
|
int hostname_to_ip(char * hostname , char* ip) {
|
|
struct hostent *he;
|
|
struct in_addr **addr_list;
|
|
int i;
|
|
|
|
if ( (he = gethostbyname( hostname ) ) == NULL)
|
|
{
|
|
// get the host info
|
|
return 1;
|
|
}
|
|
|
|
addr_list = (struct in_addr **) he->h_addr_list;
|
|
|
|
for(i = 0; addr_list[i] != NULL; i++) {
|
|
strcpy(ip , inet_ntoa(*addr_list[i]) );
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
void append_screenbuffer(char *buffer) {
|
|
int z;
|
|
|
|
for (z=0;z<strlen(buffer);z++) {
|
|
if (row_at == 80) {
|
|
if (line_at == 22) {
|
|
scroll_up();
|
|
row_at = 0;
|
|
} else {
|
|
row_at = 0;
|
|
line_at++;
|
|
}
|
|
}
|
|
|
|
screenbuffer[line_at][row_at] = buffer[z];
|
|
row_at++;
|
|
screenbuffer[line_at][row_at] = '\0';
|
|
}
|
|
if (line_at == 22) {
|
|
scroll_up();
|
|
}
|
|
if (line_at < 22) {
|
|
line_at++;
|
|
}
|
|
|
|
row_at = 0;
|
|
}
|
|
|
|
void chat_system(struct user_record *user) {
|
|
struct sockaddr_in servaddr;
|
|
fd_set fds;
|
|
int t;
|
|
int ret;
|
|
char inputbuffer[80];
|
|
int inputbuffer_at = 0;
|
|
int len;
|
|
char c;
|
|
char buffer2[256];
|
|
char buffer[513];
|
|
char outputbuffer[513];
|
|
char readbuffer[1024];
|
|
int buffer_at = 0;
|
|
int do_update = 1;
|
|
int i;
|
|
int j;
|
|
int chat_in;
|
|
jsmn_parser parser;
|
|
jsmntok_t tokens[6];
|
|
int r;
|
|
struct chat_msg msg;
|
|
char *input_b;
|
|
|
|
if (sshBBS) {
|
|
chat_in = STDIN_FILENO;
|
|
} else {
|
|
chat_in = gSocket;
|
|
}
|
|
|
|
memset(inputbuffer, 0, 80);
|
|
if (conf.mgchat_server == NULL && conf.mgchat_bbstag != NULL) {
|
|
s_putstring(get_string(49));
|
|
return;
|
|
}
|
|
|
|
jsmn_init(&parser);
|
|
|
|
row_at = 0;
|
|
line_at = 0;
|
|
s_putstring("\e[2J\e[1;1H");
|
|
|
|
memset(&servaddr, 0, sizeof(struct sockaddr_in));
|
|
servaddr.sin_family = AF_INET;
|
|
servaddr.sin_port = htons(conf.mgchat_port);
|
|
|
|
|
|
if ( (chat_socket = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
|
|
return;
|
|
}
|
|
if (inet_pton(AF_INET, conf.mgchat_server, &servaddr.sin_addr) != 0) {
|
|
hostname_to_ip(conf.mgchat_server, buffer);
|
|
if (!inet_pton(AF_INET, buffer, &servaddr.sin_addr)) {
|
|
return;
|
|
}
|
|
}
|
|
if (connect(chat_socket, (struct sockaddr*)&servaddr, sizeof(servaddr)) < 0 ) {
|
|
return;
|
|
}
|
|
|
|
memset(buffer, 0, 513);
|
|
|
|
screenbuffer = (char **)malloc(sizeof(char *) * 23);
|
|
for (i=0;i<23;i++) {
|
|
screenbuffer[i] = (char *)malloc(81);
|
|
memset(screenbuffer[i], 0, 81);
|
|
}
|
|
|
|
raw("{ \"bbs\": \"%s\", \"nick\": \"%s\", \"msg\": \"LOGIN\" }", conf.mgchat_bbstag, user->loginname);
|
|
|
|
while (1) {
|
|
FD_ZERO(&fds);
|
|
FD_SET(chat_in, &fds);
|
|
FD_SET(chat_socket, &fds);
|
|
|
|
if (chat_socket > chat_in) {
|
|
t = chat_socket + 1;
|
|
} else {
|
|
t = chat_in + 1;
|
|
}
|
|
|
|
ret = select(t, &fds, NULL, NULL, NULL);
|
|
|
|
if (ret > 0) {
|
|
if (FD_ISSET(chat_in, &fds)) {
|
|
len = read(chat_in, &c, 1);
|
|
if (len == 0) {
|
|
close(chat_socket);
|
|
disconnect("Socket closed");
|
|
}
|
|
|
|
if (c == '\r') {
|
|
if (inputbuffer[0] == '/') {
|
|
if (strcasecmp(&inputbuffer[1], "quit") == 0) {
|
|
close(chat_socket);
|
|
for (i=0;i<22;i++) {
|
|
free(screenbuffer[i]);
|
|
}
|
|
free(screenbuffer);
|
|
return;
|
|
}
|
|
} else {
|
|
input_b = encapsulate_quote(inputbuffer);
|
|
raw("{ \"bbs\": \"%s\", \"nick\": \"%s\", \"msg\": \"%s\" }", conf.mgchat_bbstag, user->loginname, input_b);
|
|
free(input_b);
|
|
sprintf(buffer2, "%s: %s", user->loginname, inputbuffer);
|
|
append_screenbuffer(buffer2);
|
|
do_update = 1;
|
|
}
|
|
memset(inputbuffer, 0, 80);
|
|
inputbuffer_at = 0;
|
|
} else if (c != '\n') {
|
|
if (c == '\b' || c == 127) {
|
|
if (inputbuffer_at > 0) {
|
|
inputbuffer_at--;
|
|
inputbuffer[inputbuffer_at] = '\0';
|
|
do_update = 2;
|
|
}
|
|
} else if (inputbuffer_at < 79) {
|
|
inputbuffer[inputbuffer_at++] = c;
|
|
do_update = 2;
|
|
}
|
|
}
|
|
}
|
|
if (FD_ISSET(chat_socket, &fds)) {
|
|
len = read(chat_socket, readbuffer, 1024);
|
|
if (len == 0) {
|
|
s_putstring("\r\n\r\n\r\nLost connection to chat server!\r\n");
|
|
for (i=0;i<22;i++) {
|
|
free(screenbuffer[i]);
|
|
}
|
|
free(screenbuffer);
|
|
return;
|
|
}
|
|
|
|
// json parse
|
|
// we got some data from a client
|
|
r = jsmn_parse(&parser, readbuffer, len, tokens, sizeof(tokens)/sizeof(tokens[0]));
|
|
|
|
if ((r < 0) || (r < 1 || tokens[0].type != JSMN_OBJECT)) {
|
|
// invalid json
|
|
} else {
|
|
for (j = 1; j < r; j++) {
|
|
if (jsoneq(readbuffer, &tokens[j], "bbs") == 0) {
|
|
sprintf(msg.bbstag, "%.*s", tokens[j+1].end-tokens[j+1].start, readbuffer + tokens[j+1].start);
|
|
j++;
|
|
}
|
|
if (jsoneq(readbuffer, &tokens[j], "nick") == 0) {
|
|
sprintf(msg.nick, "%.*s", tokens[j+1].end-tokens[j+1].start, readbuffer + tokens[j+1].start);
|
|
j++;
|
|
}
|
|
if (jsoneq(readbuffer, &tokens[j], "msg") == 0) {
|
|
sprintf(msg.msg, "%.*s", tokens[j+1].end-tokens[j+1].start, readbuffer + tokens[j+1].start);
|
|
j++;
|
|
}
|
|
}
|
|
}
|
|
// set outputbuffer
|
|
if (strcmp(msg.bbstag, "SYSTEM") == 0 && strcmp(msg.nick, "SYSTEM") == 0) {
|
|
snprintf(outputbuffer, 512, ">> %s", msg.msg);
|
|
} else {
|
|
snprintf(outputbuffer, 512, "(%s)[%s]: %s", msg.bbstag, msg.nick, msg.msg);
|
|
}
|
|
// screen_append output buffer
|
|
append_screenbuffer(outputbuffer);
|
|
do_update = 1;
|
|
|
|
|
|
memset(buffer, 0, 513);
|
|
buffer_at = 0;
|
|
}
|
|
}
|
|
if (do_update == 1) {
|
|
s_putstring("\e[2J");
|
|
for (i=0;i<=line_at;i++) {
|
|
s_printf("%s\r\n", screenbuffer[i]);
|
|
}
|
|
for (i=line_at+1;i<22;i++) {
|
|
s_putstring("\r\n");
|
|
}
|
|
s_putstring(get_string(50));
|
|
if (inputbuffer_at > 0) {
|
|
s_putstring(inputbuffer);
|
|
}
|
|
do_update = 0;
|
|
} else if (do_update == 2) {
|
|
s_printf("\e[24;1f%s\e[K", inputbuffer);
|
|
}
|
|
}
|
|
}
|