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/*
* SPDX-License-Identifier: MIT
* Copyright (C) 2023 Michael Czigler
*/
#ifndef __KIRC_H
#define __KIRC_H
#define _POSIX_C_SOURCE 200809L
#define CTCP_CMDS "ACTION VERSION TIME CLIENTINFO PING DCC"
#define VERSION "0.3.2"
#define TESTCHARS "\xe1\xbb\xa4"
#define MSG_MAX 512
#define CHA_MAX 200
#define WRAP_LEN 26
#define HIS_MAX 100
#define FNM_MAX 255
#define CON_MAX 20
#define CBUF_SIZ 1024
#define DCC_FLAGS (O_WRONLY | O_APPEND)
#define DCC_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)
#define STR_(a) #a
#define STR(a) STR_(a)
#if defined(__FreeBSD__) || defined(__OpenBSD__)
#include <sys/types.h>
#include <sys/socket.h>
#endif
#include <stdarg.h>
#include <netdb.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <fcntl.h>
#include <poll.h>
#include <errno.h>
#include <termios.h>
#include <limits.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <arpa/inet.h>
static int conn; /* connection socket */
static int verb = 0; /* verbose output */
static int sasl = 0; /* SASL method */
static int isu8 = 0; /* UTF-8 flag */
static const char *host = "irc.libera.chat"; /* host address */
static const char *port = "6667"; /* port */
static char chan[MSG_MAX]; /* channel and prompt */
static char *nick = NULL; /* nickname */
static char *pass = NULL; /* password */
static char *user = NULL; /* user name */
static char *auth = NULL; /* PLAIN SASL token */
static char *real = NULL; /* real name */
static char *olog = NULL; /* chat log path */
static char *inic = NULL; /* additional server command */
static int cmds = 0; /* indicates additional server commands */
static char cbuf[CBUF_SIZ]; /* additional stdin server commands */
static short ipv6 = 0;
/* define function macros */
#define htonll(x) ((1==htonl(1)) ? (x) : (((uint64_t)htonl((x) & 0xFFFFFFFFUL)) << 32) | htonl((uint32_t)((x) >> 32)))
#define buffer_position_move(l, dest, src, size) memmove(l->buf + l->posb + dest, l->buf + l->posb + src, size)
#define buffer_position_move_end(l, dest, src) buffer_position_move(l, dest, src, l->lenb - (l->posb + src) + 1)
#define u8_character_start(c) (isu8 ? (c & 0x80) == 0x00 || (c & 0xC0) == 0xC0 : 1)
static int ttyinfd = STDIN_FILENO;
static struct termios orig;
static int rawmode = 0;
static int atexit_registered = 0;
static int history_len = 0;
static char **history = NULL;
static short small_screen;
typedef struct PARAMETERS {
char *prefix;
char *suffix;
char *message;
char *nickname;
char *command;
char *channel;
char *params;
size_t offset;
size_t maxcols;
int nicklen;
} param_t, *param;
typedef struct STATE {
char buf[MSG_MAX]; /* Edited line buffer. */
size_t buflen; /* Edited line buffer size. */
size_t plenb; /* Prompt length. */
size_t plenu8; /* Prompt length. */
size_t posb; /* Current cursor position. */
size_t posu8; /* Current cursor position. */
size_t oldposb; /* Previous refresh cursor position. */
size_t oldposu8; /* Previous refresh cursor position. */
size_t lenb; /* Current edited line length. */
size_t lenu8; /* Current edited line length. */
size_t cols; /* Number of columns in terminal. */
int history_index; /* Current line in the edit history */
char nick_privmsg; /* whether or not we are sending messages to a chan or nick */
} state_t, *state;
struct abuf {
char *b;
int len;
};
struct dcc_connection {
char filename[FNM_MAX + 1];
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
size_t bytes_read;
size_t file_size;
int file_fd;
};
static struct {
struct pollfd sock_fds[CON_MAX + 2];
struct dcc_connection slots[CON_MAX];
} dcc_sessions = {0};
#endif
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