| 3 |
nishi |
1 |
/* $Id: bot.c 8 2024-09-11 00:41:52Z nishi $ */
|
|
|
2 |
|
|
|
3 |
#include "ok_bot.h"
|
|
|
4 |
|
|
|
5 |
#include "ok_util.h"
|
|
|
6 |
#include "ok_news.h"
|
|
|
7 |
|
|
|
8 |
#include "ircfw.h"
|
|
|
9 |
|
|
|
10 |
#include <stdint.h>
|
|
|
11 |
#include <stdlib.h>
|
|
|
12 |
#include <stdio.h>
|
|
|
13 |
#include <strings.h>
|
|
|
14 |
#include <unistd.h>
|
|
|
15 |
#include <signal.h>
|
|
|
16 |
#include <stdbool.h>
|
|
|
17 |
#include <dirent.h>
|
|
|
18 |
#include <poll.h>
|
|
|
19 |
|
|
|
20 |
#include <sys/socket.h>
|
|
|
21 |
#include <netinet/tcp.h>
|
|
|
22 |
#include <arpa/inet.h>
|
|
|
23 |
|
|
|
24 |
#ifdef __FreeBSD__
|
|
|
25 |
#include <netinet/in.h>
|
|
|
26 |
#endif
|
|
|
27 |
|
|
|
28 |
#define OKUU_VERSION "1.00"
|
|
|
29 |
|
|
|
30 |
extern char* nntppath;
|
|
|
31 |
extern char* nntpcount;
|
| 6 |
nishi |
32 |
extern char* nntpfrom;
|
| 3 |
nishi |
33 |
|
|
|
34 |
extern char* ircserver;
|
|
|
35 |
extern char* ircchan;
|
|
|
36 |
extern char* ircpass;
|
|
|
37 |
extern char* ircuser;
|
|
|
38 |
extern char* ircnick;
|
|
|
39 |
extern char* ircreal;
|
|
|
40 |
extern int ircport;
|
|
|
41 |
|
|
|
42 |
int ok_sock;
|
|
|
43 |
struct sockaddr_in ok_addr;
|
|
|
44 |
|
|
|
45 |
void ok_close(int sock){
|
|
|
46 |
close(sock);
|
|
|
47 |
}
|
|
|
48 |
|
|
|
49 |
void ok_bot_kill(int sig){
|
|
|
50 |
fprintf(stderr, "Shutdown\n");
|
|
|
51 |
ircfw_socket_send_cmd(ok_sock, NULL, "QUIT :Shutdown (Signal)");
|
|
|
52 |
exit(1);
|
|
|
53 |
}
|
|
|
54 |
|
|
|
55 |
bool ok_is_number(const char* str) {
|
|
|
56 |
int i;
|
|
|
57 |
for(i = 0; str[i] != 0; i++) {
|
|
|
58 |
if(!('0' <= str[i] && str[i] <= '9')) return false;
|
|
|
59 |
}
|
|
|
60 |
return true;
|
|
|
61 |
}
|
|
|
62 |
|
|
|
63 |
char* ok_null(const char* str){
|
|
|
64 |
return str == NULL ? "(null)" : (char*)str;
|
|
|
65 |
}
|
|
|
66 |
|
|
|
67 |
int namesort(const struct dirent** a_, const struct dirent** b_){
|
|
|
68 |
const struct dirent* a = *a_;
|
|
|
69 |
const struct dirent* b = *b_;
|
|
|
70 |
return atoi(a->d_name) - atoi(b->d_name);
|
|
|
71 |
}
|
|
|
72 |
|
|
|
73 |
int nodots(const struct dirent* d){
|
|
|
74 |
return (strcmp(d->d_name, "..") == 0 || strcmp(d->d_name, ".") == 0) ? 0 : 1;
|
|
|
75 |
}
|
|
|
76 |
|
|
|
77 |
void ok_bot(void){
|
|
|
78 |
if((ok_sock = socket(PF_INET, SOCK_STREAM, 0)) < 0){
|
|
|
79 |
fprintf(stderr, "Socket creation failure\n");
|
|
|
80 |
return;
|
|
|
81 |
}
|
|
|
82 |
|
|
|
83 |
bzero((char*)&ok_addr, sizeof(ok_addr));
|
|
|
84 |
ok_addr.sin_family = PF_INET;
|
|
|
85 |
ok_addr.sin_addr.s_addr = inet_addr(ircserver);
|
|
|
86 |
ok_addr.sin_port = htons(ircport);
|
| 5 |
nishi |
87 |
|
|
|
88 |
int yes = 1;
|
|
|
89 |
|
|
|
90 |
if(setsockopt(ok_sock, IPPROTO_TCP, TCP_NODELAY, (char*)&yes, sizeof(yes)) < 0) {
|
|
|
91 |
fprintf(stderr, "setsockopt failure");
|
|
|
92 |
ok_close(ok_sock);
|
|
|
93 |
return;
|
|
|
94 |
}
|
| 3 |
nishi |
95 |
|
|
|
96 |
if(connect(ok_sock, (struct sockaddr*)&ok_addr, sizeof(ok_addr)) < 0){
|
|
|
97 |
fprintf(stderr, "Connection failure\n");
|
|
|
98 |
ok_close(ok_sock);
|
|
|
99 |
return;
|
|
|
100 |
}
|
|
|
101 |
|
|
|
102 |
signal(SIGINT, ok_bot_kill);
|
|
|
103 |
signal(SIGTERM, ok_bot_kill);
|
|
|
104 |
|
|
|
105 |
char* construct = malloc(1025);
|
|
|
106 |
|
|
|
107 |
if(ircpass != NULL && strlen(ircpass) > 0){
|
|
|
108 |
sprintf(construct, "PASS :%s", ircpass);
|
|
|
109 |
ircfw_socket_send_cmd(ok_sock, NULL, construct);
|
|
|
110 |
}
|
|
|
111 |
|
|
|
112 |
sprintf(construct, "USER %s %s %s :%s", ircuser, ircuser, ircuser, ircreal);
|
|
|
113 |
ircfw_socket_send_cmd(ok_sock, NULL, construct);
|
|
|
114 |
|
|
|
115 |
sprintf(construct, "NICK :%s", ircnick);
|
|
|
116 |
ircfw_socket_send_cmd(ok_sock, NULL, construct);
|
|
|
117 |
|
|
|
118 |
bool is_in = false;
|
| 4 |
nishi |
119 |
bool sendable = false;
|
| 3 |
nishi |
120 |
|
|
|
121 |
struct pollfd pollfds[1];
|
|
|
122 |
pollfds[0].fd = ok_sock;
|
|
|
123 |
pollfds[0].events = POLLIN | POLLPRI;
|
|
|
124 |
|
|
|
125 |
while(1){
|
|
|
126 |
int r = poll(pollfds, 1, 100);
|
|
|
127 |
if(!(r > 0 && pollfds[0].revents & POLLIN)){
|
|
|
128 |
/* 100ms sleep, technically */
|
|
|
129 |
uint64_t count = 0;
|
|
|
130 |
FILE* f = fopen(nntpcount, "rb");
|
|
|
131 |
if(f != NULL){
|
|
|
132 |
fread(&count, sizeof(count), 1, f);
|
|
|
133 |
fclose(f);
|
|
|
134 |
}
|
|
|
135 |
struct dirent** list;
|
|
|
136 |
int n = scandir(nntppath, &list, nodots, namesort);
|
|
|
137 |
if(n >= 0){
|
|
|
138 |
int i;
|
|
|
139 |
for(i = 0; i < n; i++){
|
| 4 |
nishi |
140 |
if(!sendable){
|
|
|
141 |
free(list[i]);
|
|
|
142 |
continue;
|
|
|
143 |
}
|
| 3 |
nishi |
144 |
if(count <= atoi(list[i]->d_name)){
|
|
|
145 |
sprintf(construct, "%s/%s", nntppath, list[i]->d_name);
|
| 8 |
nishi |
146 |
if(ok_news_read(construct) == 0){
|
|
|
147 |
if(strcmp(news_entry.from, nntpfrom) != 0){
|
|
|
148 |
char* tmp = ok_strcat3("PRIVMSG ", ircchan, " :\x03" "07[USENET] ~ ");
|
|
|
149 |
char* temp = ok_strcat3(tmp, news_entry.from, "\x03 ");
|
|
|
150 |
free(tmp);
|
|
|
151 |
int j;
|
|
|
152 |
int incr = 0;
|
|
|
153 |
for(j = 0;; j++){
|
|
|
154 |
if(news_entry.content[j] == 0 || news_entry.content[j] == '\n'){
|
|
|
155 |
char* line = malloc(j - incr + 1);
|
|
|
156 |
line[j - incr] = 0;
|
|
|
157 |
memcpy(line, news_entry.content + incr, j - incr);
|
|
|
158 |
|
|
|
159 |
if(strlen(line) > 0){
|
|
|
160 |
char* msg = ok_strcat(temp, line);
|
|
|
161 |
ircfw_socket_send_cmd(ok_sock, NULL, msg);
|
|
|
162 |
free(msg);
|
|
|
163 |
usleep(1000 * 100); /* Sleep for 100ms */
|
|
|
164 |
}
|
|
|
165 |
|
|
|
166 |
free(line);
|
|
|
167 |
incr = j + 1;
|
|
|
168 |
if(news_entry.content[j] == 0) break;
|
| 3 |
nishi |
169 |
}
|
|
|
170 |
}
|
| 8 |
nishi |
171 |
free(temp);
|
| 3 |
nishi |
172 |
}
|
|
|
173 |
}else{
|
|
|
174 |
fprintf(stderr, "Could not read %s\n", construct);
|
|
|
175 |
}
|
|
|
176 |
}
|
|
|
177 |
free(list[i]);
|
|
|
178 |
}
|
|
|
179 |
count = atoi(list[i - 1]->d_name) + 1;
|
|
|
180 |
free(list);
|
|
|
181 |
}
|
| 7 |
nishi |
182 |
if(sendable){
|
|
|
183 |
f = fopen(nntpcount, "wb");
|
|
|
184 |
if(f != NULL){
|
|
|
185 |
fwrite(&count, sizeof(count), 1, f);
|
|
|
186 |
fclose(f);
|
|
|
187 |
}
|
| 3 |
nishi |
188 |
}
|
|
|
189 |
continue;
|
|
|
190 |
}
|
|
|
191 |
int st = ircfw_socket_read_cmd(ok_sock);
|
|
|
192 |
if(st != 0){
|
|
|
193 |
fprintf(stderr, "Bad response\n");
|
|
|
194 |
return;
|
|
|
195 |
}
|
|
|
196 |
if(strlen(ircfw_message.command) == 3 && ok_is_number(ircfw_message.command)){
|
|
|
197 |
int res = atoi(ircfw_message.command);
|
|
|
198 |
if(!is_in && 400 <= res && res <= 599){
|
|
|
199 |
fprintf(stderr, "Bad response\n");
|
|
|
200 |
return;
|
|
|
201 |
}else if(400 <= res && res <= 599){
|
|
|
202 |
fprintf(stderr, "Ignored error: %d\n", res);
|
|
|
203 |
continue;
|
|
|
204 |
}
|
|
|
205 |
if(res == 376){
|
|
|
206 |
is_in = true;
|
|
|
207 |
fprintf(stderr, "Login successful\n");
|
|
|
208 |
sprintf(construct, "JOIN :%s", ircchan);
|
|
|
209 |
ircfw_socket_send_cmd(ok_sock, NULL, construct);
|
| 4 |
nishi |
210 |
}else if(res == 331 || res == 332){
|
|
|
211 |
sendable = true;
|
| 3 |
nishi |
212 |
}
|
|
|
213 |
}else{
|
|
|
214 |
if(strcasecmp(ircfw_message.command, "PING") == 0){
|
|
|
215 |
fprintf(stderr, "Ping request\n");
|
|
|
216 |
sprintf(construct, "PONG :%s", ok_null(ircfw_message.prefix));
|
|
|
217 |
ircfw_socket_send_cmd(ok_sock, NULL, construct);
|
|
|
218 |
}else if(strcasecmp(ircfw_message.command, "PRIVMSG") == 0){
|
|
|
219 |
char* prefix = ircfw_message.prefix;
|
|
|
220 |
char** params = ircfw_message.params;
|
|
|
221 |
|
|
|
222 |
int len = 0;
|
|
|
223 |
if(params != NULL) {
|
|
|
224 |
int i;
|
|
|
225 |
for(i = 0; params[i] != NULL; i++);
|
|
|
226 |
len = i;
|
|
|
227 |
}
|
|
|
228 |
if(prefix != NULL && len == 2) {
|
|
|
229 |
char* sentin = params[0];
|
|
|
230 |
char* msg = params[1];
|
|
|
231 |
char* nick = ok_strdup(prefix);
|
|
|
232 |
int i;
|
|
|
233 |
for(i = 0; nick[i] != 0; i++) {
|
|
|
234 |
if(nick[i] == '!') {
|
|
|
235 |
nick[i] = 0;
|
|
|
236 |
break;
|
|
|
237 |
}
|
|
|
238 |
}
|
|
|
239 |
if(msg[0] == 1 && msg[strlen(msg) - 1] == 1){
|
|
|
240 |
/* CTCP */
|
|
|
241 |
if(strcasecmp(msg, "\x01VERSION\x01") == 0){
|
|
|
242 |
sprintf(construct, "NOTICE %s :\x01VERSION Okuu %s / IRC Frameworks %s: http://nishi.boats/okuu\x01", nick, OKUU_VERSION, IRCFW_VERSION);
|
|
|
243 |
ircfw_socket_send_cmd(ok_sock, NULL, construct);
|
|
|
244 |
}
|
|
|
245 |
}else if(sentin[0] == '#'){
|
|
|
246 |
/* This was sent in channel */
|
| 5 |
nishi |
247 |
if(ok_news_write(nick, msg) != 0){
|
|
|
248 |
sprintf(construct, "PRIVMSG %s :Could not send the message to the USENET", sentin);
|
|
|
249 |
ircfw_socket_send_cmd(ok_sock, NULL, construct);
|
|
|
250 |
}
|
| 3 |
nishi |
251 |
}
|
|
|
252 |
|
|
|
253 |
free(nick);
|
|
|
254 |
}
|
|
|
255 |
}else if(strcasecmp(ircfw_message.command, "ERROR") == 0){
|
|
|
256 |
if(ircfw_message.params != NULL){
|
|
|
257 |
int i;
|
|
|
258 |
for(i = 0; ircfw_message.params[i] != NULL; i++) fprintf(stderr, "ERROR: %s\n", ircfw_message.params[i]);
|
|
|
259 |
}
|
|
|
260 |
}
|
|
|
261 |
}
|
|
|
262 |
}
|
|
|
263 |
|
|
|
264 |
ircfw_socket_send_cmd(ok_sock, NULL, "QUIT :Shutdown");
|
|
|
265 |
|
|
|
266 |
free(construct);
|
|
|
267 |
}
|