1065 lines
28 KiB
C
1065 lines
28 KiB
C
/* Copyright (C) 2020 C. McEnroe <june@causal.agency>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <assert.h>
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#include <ctype.h>
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#include <err.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include "chat.h"
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struct Replies replies;
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static const char *CapNames[] = {
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#define X(name, id) [id##Bit] = name,
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ENUM_CAP
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#undef X
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};
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static enum Cap capParse(const char *list) {
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enum Cap caps = 0;
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while (*list) {
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enum Cap cap = 0;
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size_t len = strcspn(list, " ");
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for (size_t i = 0; i < ARRAY_LEN(CapNames); ++i) {
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if (len != strlen(CapNames[i])) continue;
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if (strncmp(list, CapNames[i], len)) continue;
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cap = 1 << i;
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break;
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}
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caps |= cap;
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list += len;
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if (*list) list++;
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}
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return caps;
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}
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static const char *capList(enum Cap caps) {
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static char buf[1024];
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buf[0] = '\0';
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for (size_t i = 0; i < ARRAY_LEN(CapNames); ++i) {
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if (caps & (1 << i)) {
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if (buf[0]) strlcat(buf, " ", sizeof(buf));
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strlcat(buf, CapNames[i], sizeof(buf));
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}
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}
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return buf;
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}
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static void require(struct Message *msg, bool origin, uint len) {
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if (origin) {
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if (!msg->nick) errx(EX_PROTOCOL, "%s missing origin", msg->cmd);
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if (!msg->user) msg->user = msg->nick;
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if (!msg->host) msg->host = msg->user;
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}
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for (uint i = 0; i < len; ++i) {
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if (msg->params[i]) continue;
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errx(EX_PROTOCOL, "%s missing parameter %u", msg->cmd, 1 + i);
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}
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}
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static const time_t *tagTime(const struct Message *msg) {
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static time_t time;
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struct tm tm;
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if (!msg->tags[TagTime]) return NULL;
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if (!strptime(msg->tags[TagTime], "%FT%T", &tm)) return NULL;
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time = timegm(&tm);
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return &time;
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}
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typedef void Handler(struct Message *msg);
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static void handleErrorGeneric(struct Message *msg) {
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require(msg, false, 2);
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if (msg->params[2]) {
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size_t len = strlen(msg->params[2]);
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if (msg->params[2][len - 1] == '.') msg->params[2][len - 1] = '\0';
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uiFormat(
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Network, Warm, tagTime(msg),
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"%s: %s", msg->params[2], msg->params[1]
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);
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} else {
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uiFormat(
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Network, Warm, tagTime(msg),
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"%s", msg->params[1]
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);
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}
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}
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static void handleErrorNicknameInUse(struct Message *msg) {
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require(msg, false, 2);
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if (!strcmp(self.nick, "*")) {
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ircFormat("NICK :%s_\r\n", msg->params[1]);
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} else {
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handleErrorGeneric(msg);
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}
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}
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static void handleErrorErroneousNickname(struct Message *msg) {
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require(msg, false, 3);
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if (!strcmp(self.nick, "*")) {
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errx(EX_CONFIG, "%s: %s", msg->params[1], msg->params[2]);
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} else {
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handleErrorGeneric(msg);
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}
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}
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static void handleCap(struct Message *msg) {
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require(msg, false, 3);
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enum Cap caps = capParse(msg->params[2]);
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if (!strcmp(msg->params[1], "LS")) {
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caps &= ~CapSASL;
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if (caps & CapConsumer && self.pos) {
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ircFormat("CAP REQ %s=%zu\r\n", CapNames[CapConsumerBit], self.pos);
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caps &= ~CapConsumer;
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}
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if (caps) {
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ircFormat("CAP REQ :%s\r\n", capList(caps));
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} else {
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if (!(self.caps & CapSASL)) ircFormat("CAP END\r\n");
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}
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} else if (!strcmp(msg->params[1], "ACK")) {
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self.caps |= caps;
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if (caps & CapSASL) {
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ircFormat("AUTHENTICATE %s\r\n", (self.plain ? "PLAIN" : "EXTERNAL"));
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}
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if (!(self.caps & CapSASL)) ircFormat("CAP END\r\n");
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} else if (!strcmp(msg->params[1], "NAK")) {
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errx(EX_CONFIG, "server does not support %s", msg->params[2]);
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}
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}
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#define BASE64_SIZE(len) (1 + ((len) + 2) / 3 * 4)
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static void base64(char *dst, const byte *src, size_t len) {
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static const char Base64[64] = {
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
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};
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size_t i = 0;
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while (len > 2) {
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dst[i++] = Base64[0x3F & (src[0] >> 2)];
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dst[i++] = Base64[0x3F & (src[0] << 4 | src[1] >> 4)];
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dst[i++] = Base64[0x3F & (src[1] << 2 | src[2] >> 6)];
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dst[i++] = Base64[0x3F & src[2]];
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src += 3;
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len -= 3;
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}
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if (len) {
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dst[i++] = Base64[0x3F & (src[0] >> 2)];
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if (len > 1) {
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dst[i++] = Base64[0x3F & (src[0] << 4 | src[1] >> 4)];
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dst[i++] = Base64[0x3F & (src[1] << 2)];
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} else {
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dst[i++] = Base64[0x3F & (src[0] << 4)];
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dst[i++] = '=';
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}
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dst[i++] = '=';
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}
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dst[i] = '\0';
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}
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static void handleAuthenticate(struct Message *msg) {
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(void)msg;
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if (!self.plain) {
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ircFormat("AUTHENTICATE +\r\n");
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return;
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}
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byte buf[299];
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size_t len = 1 + strlen(self.plain);
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if (sizeof(buf) < len) errx(EX_CONFIG, "SASL PLAIN is too long");
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buf[0] = 0;
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for (size_t i = 0; self.plain[i]; ++i) {
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buf[1 + i] = (self.plain[i] == ':' ? 0 : self.plain[i]);
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}
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char b64[BASE64_SIZE(sizeof(buf))];
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base64(b64, buf, len);
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ircFormat("AUTHENTICATE ");
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ircSend(b64, BASE64_SIZE(len));
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ircFormat("\r\n");
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explicit_bzero(b64, sizeof(b64));
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explicit_bzero(buf, sizeof(buf));
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explicit_bzero(self.plain, strlen(self.plain));
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}
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static void handleReplyLoggedIn(struct Message *msg) {
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(void)msg;
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ircFormat("CAP END\r\n");
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}
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static void handleErrorSASLFail(struct Message *msg) {
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require(msg, false, 2);
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errx(EX_CONFIG, "%s", msg->params[1]);
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}
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static void handleReplyWelcome(struct Message *msg) {
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require(msg, false, 1);
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set(&self.nick, msg->params[0]);
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completeTouch(Network, self.nick, Default);
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if (self.join) {
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uint count = 1;
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for (const char *ch = self.join; *ch && *ch != ' '; ++ch) {
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if (*ch == ',') count++;
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}
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ircFormat("JOIN %s\r\n", self.join);
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replies.join += count;
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replies.topic += count;
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replies.names += count;
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}
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}
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static void handleReplyISupport(struct Message *msg) {
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for (uint i = 1; i < ParamCap; ++i) {
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if (!msg->params[i]) break;
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char *key = strsep(&msg->params[i], "=");
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if (!strcmp(key, "NETWORK")) {
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if (!msg->params[i]) continue;
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set(&network.name, msg->params[i]);
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uiFormat(
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Network, Cold, tagTime(msg),
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"You arrive in %s", msg->params[i]
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);
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} else if (!strcmp(key, "CHANTYPES")) {
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if (!msg->params[i]) continue;
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set(&network.chanTypes, msg->params[i]);
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} else if (!strcmp(key, "PREFIX")) {
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if (!msg->params[i]) continue;
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strsep(&msg->params[i], "(");
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set(&network.prefixModes, strsep(&msg->params[i], ")"));
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set(&network.prefixes, msg->params[i]);
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assert(strlen(network.prefixes) == strlen(network.prefixModes));
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} else if (!strcmp(key, "CHANMODES")) {
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if (!msg->params[i]) continue;
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set(&network.listModes, strsep(&msg->params[i], ","));
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set(&network.paramModes, strsep(&msg->params[i], ","));
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set(&network.setParamModes, strsep(&msg->params[i], ","));
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set(&network.channelModes, strsep(&msg->params[i], ","));
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} else if (!strcmp(key, "EXCEPTS")) {
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network.excepts = (msg->params[i] ? msg->params[i][0] : 'e');
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} else if (!strcmp(key, "INVEX")) {
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network.invex = (msg->params[i] ? msg->params[i][0] : 'I');
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}
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}
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}
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static void handleReplyMOTD(struct Message *msg) {
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require(msg, false, 2);
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char *line = msg->params[1];
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urlScan(Network, msg->nick, line);
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if (!strncmp(line, "- ", 2)) {
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uiFormat(Network, Cold, tagTime(msg), "\3%d-\3\t%s", Gray, &line[2]);
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} else {
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uiFormat(Network, Cold, tagTime(msg), "%s", line);
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}
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}
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static void handleErrorNoMOTD(struct Message *msg) {
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(void)msg;
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}
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static void handleJoin(struct Message *msg) {
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require(msg, true, 1);
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uint id = idFor(msg->params[0]);
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if (!strcmp(msg->nick, self.nick)) {
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if (!self.user) {
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set(&self.user, msg->user);
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self.color = hash(msg->user);
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}
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idColors[id] = hash(msg->params[0]);
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completeTouch(None, msg->params[0], idColors[id]);
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if (replies.join) {
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uiShowID(id);
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replies.join--;
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}
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}
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completeTouch(id, msg->nick, hash(msg->user));
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if (msg->params[2] && !strcasecmp(msg->params[2], msg->nick)) {
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msg->params[2] = NULL;
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}
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uiFormat(
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id, Cold, tagTime(msg),
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"\3%02d%s\3\t%s%s%sarrives in \3%02d%s\3",
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hash(msg->user), msg->nick,
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(msg->params[2] ? "(" : ""),
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(msg->params[2] ? msg->params[2] : ""),
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(msg->params[2] ? ") " : ""),
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hash(msg->params[0]), msg->params[0]
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);
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}
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static void handlePart(struct Message *msg) {
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require(msg, true, 1);
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uint id = idFor(msg->params[0]);
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if (!strcmp(msg->nick, self.nick)) {
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completeClear(id);
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}
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completeRemove(id, msg->nick);
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urlScan(id, msg->nick, msg->params[1]);
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uiFormat(
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id, Cold, tagTime(msg),
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"\3%02d%s\3\tleaves \3%02d%s\3%s%s",
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hash(msg->user), msg->nick, hash(msg->params[0]), msg->params[0],
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(msg->params[1] ? ": " : ""),
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(msg->params[1] ? msg->params[1] : "")
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);
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}
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static void handleKick(struct Message *msg) {
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require(msg, true, 2);
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uint id = idFor(msg->params[0]);
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bool kicked = !strcmp(msg->params[1], self.nick);
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completeTouch(id, msg->nick, hash(msg->user));
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urlScan(id, msg->nick, msg->params[2]);
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uiFormat(
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id, (kicked ? Hot : Cold), tagTime(msg),
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"%s\3%02d%s\17\tkicks \3%02d%s\3 out of \3%02d%s\3%s%s",
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(kicked ? "\26" : ""),
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hash(msg->user), msg->nick,
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completeColor(id, msg->params[1]), msg->params[1],
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hash(msg->params[0]), msg->params[0],
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(msg->params[2] ? ": " : ""),
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(msg->params[2] ? msg->params[2] : "")
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);
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completeRemove(id, msg->params[1]);
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if (kicked) completeClear(id);
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}
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static void handleNick(struct Message *msg) {
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require(msg, true, 1);
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if (!strcmp(msg->nick, self.nick)) {
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set(&self.nick, msg->params[0]);
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uiRead(); // Update prompt.
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}
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uint id;
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while (None != (id = completeID(msg->nick))) {
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if (!strcmp(idNames[id], msg->nick)) {
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set(&idNames[id], msg->params[0]);
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}
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uiFormat(
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id, Cold, tagTime(msg),
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"\3%02d%s\3\tis now known as \3%02d%s\3",
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hash(msg->user), msg->nick, hash(msg->user), msg->params[0]
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);
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}
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completeReplace(None, msg->nick, msg->params[0]);
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}
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static void handleQuit(struct Message *msg) {
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require(msg, true, 0);
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uint id;
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while (None != (id = completeID(msg->nick))) {
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urlScan(id, msg->nick, msg->params[0]);
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uiFormat(
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id, Cold, tagTime(msg),
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"\3%02d%s\3\tleaves%s%s",
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hash(msg->user), msg->nick,
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(msg->params[0] ? ": " : ""),
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(msg->params[0] ? msg->params[0] : "")
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);
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}
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completeRemove(None, msg->nick);
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}
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static void handleInvite(struct Message *msg) {
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require(msg, true, 2);
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if (!strcmp(msg->params[0], self.nick)) {
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uiFormat(
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Network, Hot, tagTime(msg),
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"\3%02d%s\3\tinvites you to \3%02d%s\3",
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hash(msg->user), msg->nick, hash(msg->params[1]), msg->params[1]
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);
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} else {
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uiFormat(
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idFor(msg->params[1]), Cold, tagTime(msg),
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"\3%02d%s\3\tinvites %s to \3%02d%s\3",
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hash(msg->user), msg->nick,
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msg->params[0],
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hash(msg->params[1]), msg->params[1]
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);
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}
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}
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static void handleReplyInviting(struct Message *msg) {
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require(msg, false, 3);
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if (self.caps & CapInviteNotify) return;
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struct Message invite = {
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.nick = self.nick,
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.user = self.user,
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.cmd = "INVITE",
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.params[0] = msg->params[1],
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.params[1] = msg->params[2],
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};
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handleInvite(&invite);
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}
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static void handleErrorUserOnChannel(struct Message *msg) {
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require(msg, false, 4);
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uint id = idFor(msg->params[2]);
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uiFormat(
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id, Cold, tagTime(msg),
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"\3%02d%s\3 is already in \3%02d%s\3",
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completeColor(id, msg->params[1]), msg->params[1],
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hash(msg->params[2]), msg->params[2]
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);
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}
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static void handleReplyNames(struct Message *msg) {
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require(msg, false, 4);
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uint id = idFor(msg->params[2]);
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char buf[1024] = "";
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while (msg->params[3]) {
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char *name = strsep(&msg->params[3], " ");
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char *prefixes = strsep(&name, "!");
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char *nick = &prefixes[strspn(prefixes, network.prefixes)];
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char *user = strsep(&name, "@");
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enum Color color = (user ? hash(user) : Default);
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completeAdd(id, nick, color);
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if (!replies.names) continue;
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catf(
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buf, sizeof(buf), "%s\3%02d%s\3",
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(buf[0] ? ", " : ""), color, prefixes
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);
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}
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if (!replies.names) return;
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uiFormat(
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id, Cold, tagTime(msg),
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"In \3%02d%s\3 are %s",
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hash(msg->params[2]), msg->params[2], buf
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);
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}
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static void handleReplyEndOfNames(struct Message *msg) {
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(void)msg;
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if (replies.names) replies.names--;
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}
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static void handleReplyNoTopic(struct Message *msg) {
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require(msg, false, 2);
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if (!replies.topic) return;
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replies.topic--;
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uiFormat(
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idFor(msg->params[1]), Cold, tagTime(msg),
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"There is no sign in \3%02d%s\3",
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hash(msg->params[1]), msg->params[1]
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);
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}
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|
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static void handleReplyTopic(struct Message *msg) {
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require(msg, false, 3);
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if (!replies.topic) return;
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replies.topic--;
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uint id = idFor(msg->params[1]);
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urlScan(id, NULL, msg->params[2]);
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uiFormat(
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id, Cold, tagTime(msg),
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"The sign in \3%02d%s\3 reads: %s",
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hash(msg->params[1]), msg->params[1], msg->params[2]
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);
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}
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|
|
static void handleTopic(struct Message *msg) {
|
|
require(msg, true, 2);
|
|
uint id = idFor(msg->params[0]);
|
|
if (msg->params[1][0]) {
|
|
urlScan(id, msg->nick, msg->params[1]);
|
|
uiFormat(
|
|
id, Warm, tagTime(msg),
|
|
"\3%02d%s\3\tplaces a new sign in \3%02d%s\3: %s",
|
|
hash(msg->user), msg->nick, hash(msg->params[0]), msg->params[0],
|
|
msg->params[1]
|
|
);
|
|
} else {
|
|
uiFormat(
|
|
id, Warm, tagTime(msg),
|
|
"\3%02d%s\3\tremoves the sign in \3%02d%s\3",
|
|
hash(msg->user), msg->nick, hash(msg->params[0]), msg->params[0]
|
|
);
|
|
}
|
|
}
|
|
|
|
static const char *UserModes[256] = {
|
|
['O'] = "local oper",
|
|
['i'] = "invisible",
|
|
['o'] = "oper",
|
|
['r'] = "registered",
|
|
['w'] = "wallops",
|
|
};
|
|
|
|
static void handleReplyUserModeIs(struct Message *msg) {
|
|
require(msg, false, 2);
|
|
char buf[1024] = "";
|
|
for (char *ch = msg->params[1]; *ch; ++ch) {
|
|
if (*ch == '+') continue;
|
|
if (UserModes[(byte)*ch]) {
|
|
catf(buf, sizeof(buf), ", %s", UserModes[(byte)*ch]);
|
|
} else {
|
|
catf(buf, sizeof(buf), ", mode %c", *ch);
|
|
}
|
|
}
|
|
uiFormat(
|
|
Network, Warm, tagTime(msg),
|
|
"\3%02d%s\3\tis%s",
|
|
self.color, self.nick, (buf[0] ? &buf[1] : buf)
|
|
);
|
|
}
|
|
|
|
static const char *ModeNames[256] = {
|
|
['i'] = "invite-only",
|
|
['k'] = "key",
|
|
['l'] = "client limit",
|
|
['m'] = "moderated",
|
|
['n'] = "no external messages",
|
|
['o'] = "operator",
|
|
['s'] = "secret",
|
|
['t'] = "protected topic",
|
|
['v'] = "voice",
|
|
};
|
|
|
|
static void handleMode(struct Message *msg) {
|
|
require(msg, true, 2);
|
|
if (!strchr(network.chanTypes, msg->params[0][0])) {
|
|
// TODO: User mode changes.
|
|
return;
|
|
}
|
|
|
|
uint id = idFor(msg->params[0]);
|
|
bool set = false;
|
|
uint param = 2;
|
|
char buf[1024] = "";
|
|
for (char *ch = msg->params[1]; *ch; ++ch) {
|
|
const char *name = ModeNames[(byte)*ch];
|
|
if (!name) name = (const char[]) { *ch, '\0' };
|
|
if (*ch == '+') {
|
|
set = true;
|
|
} else if (*ch == '-') {
|
|
set = false;
|
|
|
|
} else if (strchr(network.prefixModes, *ch)) {
|
|
assert(param < ParamCap);
|
|
char *nick = msg->params[param++];
|
|
char *mode = strchr(network.prefixModes, *ch);
|
|
char prefix = network.prefixes[mode - network.prefixModes];
|
|
catf(
|
|
buf, sizeof(buf), ", %s \3%02d%c%s\3",
|
|
(set ? "grants" : "revokes"),
|
|
completeColor(id, nick), prefix, nick
|
|
);
|
|
|
|
} else if (strchr(network.listModes, *ch)) {
|
|
assert(param < ParamCap);
|
|
char *mask = msg->params[param++];
|
|
if (*ch == 'b') {
|
|
catf(
|
|
buf, sizeof(buf), ", %s %s from \3%02d%s\3",
|
|
(set ? "bans" : "unbans"),
|
|
mask,
|
|
hash(msg->params[0]), msg->params[0]
|
|
);
|
|
continue;
|
|
}
|
|
const char *list = (const char[]) { *ch, '\0' };
|
|
if (*ch == network.excepts) list = "except";
|
|
if (*ch == network.invex) list = "invite";
|
|
catf(
|
|
buf, sizeof(buf), ", %s %s %s the \3%02d%s\3 %s list",
|
|
(set ? "adds" : "removes"),
|
|
mask,
|
|
(set ? "to" : "from"),
|
|
hash(msg->params[0]), msg->params[0],
|
|
list
|
|
);
|
|
|
|
} else if (strchr(network.paramModes, *ch)) {
|
|
assert(param < ParamCap);
|
|
catf(
|
|
buf, sizeof(buf), ", %ssets \3%02d%s\3 %s %s %s",
|
|
(set ? "" : "un"), hash(msg->params[0]), msg->params[0], name,
|
|
(set ? "to" : "from"), msg->params[param++]
|
|
);
|
|
|
|
} else if (strchr(network.setParamModes, *ch)) {
|
|
if (set) {
|
|
assert(param < ParamCap);
|
|
catf(
|
|
buf, sizeof(buf), ", sets \3%02d%s\3 %s to %s",
|
|
hash(msg->params[0]), msg->params[0], name,
|
|
msg->params[param++]
|
|
);
|
|
} else {
|
|
catf(
|
|
buf, sizeof(buf), ", unsets \3%02d%s\3 %s",
|
|
hash(msg->params[0]), msg->params[0], name
|
|
);
|
|
}
|
|
|
|
} else {
|
|
catf(
|
|
buf, sizeof(buf), ", %ssets \3%02d%s\3 %s",
|
|
(set ? "" : "un"), hash(msg->params[0]), msg->params[0], name
|
|
);
|
|
}
|
|
}
|
|
|
|
catf(buf, sizeof(buf), " (%s", msg->params[1]);
|
|
for (uint i = 2; i < ParamCap; ++i) {
|
|
if (!msg->params[i]) break;
|
|
catf(buf, sizeof(buf), " %s", msg->params[i]);
|
|
}
|
|
uiFormat(
|
|
id, Cold, tagTime(msg),
|
|
"\3%02d%s\3\t%s)", hash(msg->user), msg->nick, &buf[2]
|
|
);
|
|
}
|
|
|
|
static void handleErrorChanopPrivsNeeded(struct Message *msg) {
|
|
require(msg, false, 3);
|
|
uiFormat(
|
|
idFor(msg->params[1]), Cold, tagTime(msg),
|
|
"%s", msg->params[2]
|
|
);
|
|
}
|
|
|
|
static void handleErrorUserNotInChannel(struct Message *msg) {
|
|
require(msg, false, 4);
|
|
uiFormat(
|
|
idFor(msg->params[2]), Cold, tagTime(msg),
|
|
"%s\tis not in \3%02d%s\3",
|
|
msg->params[1], hash(msg->params[2]), msg->params[2]
|
|
);
|
|
}
|
|
|
|
static void handleErrorBanListFull(struct Message *msg) {
|
|
require(msg, false, 4);
|
|
uiFormat(
|
|
idFor(msg->params[1]), Cold, tagTime(msg),
|
|
"%s", (msg->params[4] ? msg->params[4] : msg->params[3])
|
|
);
|
|
}
|
|
|
|
static void handleReplyBanList(struct Message *msg) {
|
|
require(msg, false, 3);
|
|
if (!replies.ban) return;
|
|
uint id = idFor(msg->params[1]);
|
|
if (msg->params[3] && msg->params[4]) {
|
|
char since[sizeof("0000-00-00 00:00:00")];
|
|
time_t time = strtol(msg->params[4], NULL, 10);
|
|
strftime(since, sizeof(since), "%F %T", localtime(&time));
|
|
uiFormat(
|
|
id, Cold, tagTime(msg),
|
|
"Banned from \3%02d%s\3 since %s by \3%02d%s\3: %s",
|
|
hash(msg->params[1]), msg->params[1],
|
|
since, completeColor(id, msg->params[3]), msg->params[3],
|
|
msg->params[2]
|
|
);
|
|
} else {
|
|
uiFormat(
|
|
id, Cold, tagTime(msg),
|
|
"Banned from \3%02d%s\3: %s",
|
|
hash(msg->params[1]), msg->params[1], msg->params[2]
|
|
);
|
|
}
|
|
}
|
|
|
|
static void handleReplyEndOfBanList(struct Message *msg) {
|
|
(void)msg;
|
|
if (replies.ban) replies.ban--;
|
|
}
|
|
|
|
static void onList(const char *list, struct Message *msg) {
|
|
uint id = idFor(msg->params[1]);
|
|
if (msg->params[3] && msg->params[4]) {
|
|
char since[sizeof("0000-00-00 00:00:00")];
|
|
time_t time = strtol(msg->params[4], NULL, 10);
|
|
strftime(since, sizeof(since), "%F %T", localtime(&time));
|
|
uiFormat(
|
|
id, Cold, tagTime(msg),
|
|
"On the \3%02d%s\3 %s list since %s by \3%02d%s\3: %s",
|
|
hash(msg->params[1]), msg->params[1], list,
|
|
since, completeColor(id, msg->params[3]), msg->params[3],
|
|
msg->params[2]
|
|
);
|
|
} else {
|
|
uiFormat(
|
|
id, Cold, tagTime(msg),
|
|
"On the \3%02d%s\3 %s list: %s",
|
|
hash(msg->params[1]), msg->params[1], list, msg->params[2]
|
|
);
|
|
}
|
|
}
|
|
|
|
static void handleReplyExceptList(struct Message *msg) {
|
|
require(msg, false, 3);
|
|
if (!replies.excepts) return;
|
|
onList("except", msg);
|
|
}
|
|
|
|
static void handleReplyEndOfExceptList(struct Message *msg) {
|
|
(void)msg;
|
|
if (replies.excepts) replies.excepts--;
|
|
}
|
|
|
|
static void handleReplyInviteList(struct Message *msg) {
|
|
require(msg, false, 3);
|
|
if (!replies.invex) return;
|
|
onList("invite", msg);
|
|
}
|
|
|
|
static void handleReplyEndOfInviteList(struct Message *msg) {
|
|
(void)msg;
|
|
if (replies.invex) replies.invex--;
|
|
}
|
|
|
|
static void handleReplyList(struct Message *msg) {
|
|
require(msg, false, 4);
|
|
if (!replies.list) return;
|
|
uiFormat(
|
|
Network, Warm, tagTime(msg),
|
|
"In \3%02d%s\3 are %ld under the banner: %s",
|
|
hash(msg->params[1]), msg->params[1],
|
|
strtol(msg->params[2], NULL, 10),
|
|
msg->params[3]
|
|
);
|
|
}
|
|
|
|
static void handleReplyListEnd(struct Message *msg) {
|
|
(void)msg;
|
|
if (!replies.list) return;
|
|
replies.list--;
|
|
}
|
|
|
|
static void handleReplyWhoisUser(struct Message *msg) {
|
|
require(msg, false, 6);
|
|
if (!replies.whois) return;
|
|
completeTouch(Network, msg->params[1], hash(msg->params[2]));
|
|
uiFormat(
|
|
Network, Warm, tagTime(msg),
|
|
"\3%02d%s\3\tis %s!%s@%s (%s)",
|
|
hash(msg->params[2]), msg->params[1],
|
|
msg->params[1], msg->params[2], msg->params[3], msg->params[5]
|
|
);
|
|
}
|
|
|
|
static void handleReplyWhoisServer(struct Message *msg) {
|
|
require(msg, false, 4);
|
|
if (!replies.whois) return;
|
|
uiFormat(
|
|
Network, Warm, tagTime(msg),
|
|
"\3%02d%s\3\tis connected to %s (%s)",
|
|
completeColor(Network, msg->params[1]), msg->params[1],
|
|
msg->params[2], msg->params[3]
|
|
);
|
|
}
|
|
|
|
static void handleReplyWhoisIdle(struct Message *msg) {
|
|
require(msg, false, 3);
|
|
if (!replies.whois) return;
|
|
unsigned long idle = strtoul(msg->params[2], NULL, 10);
|
|
const char *unit = "second";
|
|
if (idle / 60) {
|
|
idle /= 60; unit = "minute";
|
|
if (idle / 60) {
|
|
idle /= 60; unit = "hour";
|
|
if (idle / 24) {
|
|
idle /= 24; unit = "day";
|
|
}
|
|
}
|
|
}
|
|
char signon[sizeof("0000-00-00 00:00:00")];
|
|
time_t time = (msg->params[3] ? strtol(msg->params[3], NULL, 10) : 0);
|
|
strftime(signon, sizeof(signon), "%F %T", localtime(&time));
|
|
uiFormat(
|
|
Network, Warm, tagTime(msg),
|
|
"\3%02d%s\3\tis idle for %lu %s%s%s%s",
|
|
completeColor(Network, msg->params[1]), msg->params[1],
|
|
idle, unit, (idle != 1 ? "s" : ""),
|
|
(msg->params[3] ? ", signed on " : ""),
|
|
(msg->params[3] ? signon : "")
|
|
);
|
|
}
|
|
|
|
static void handleReplyWhoisChannels(struct Message *msg) {
|
|
require(msg, false, 3);
|
|
if (!replies.whois) return;
|
|
char buf[1024] = "";
|
|
while (msg->params[2]) {
|
|
char *channel = strsep(&msg->params[2], " ");
|
|
char *name = &channel[strspn(channel, network.prefixes)];
|
|
catf(
|
|
buf, sizeof(buf), "%s\3%02d%s\3",
|
|
(buf[0] ? ", " : ""), hash(name), channel
|
|
);
|
|
}
|
|
uiFormat(
|
|
Network, Warm, tagTime(msg),
|
|
"\3%02d%s\3\tis in %s",
|
|
completeColor(Network, msg->params[1]), msg->params[1], buf
|
|
);
|
|
}
|
|
|
|
static void handleReplyWhoisGeneric(struct Message *msg) {
|
|
require(msg, false, 3);
|
|
if (!replies.whois) return;
|
|
if (msg->params[3]) {
|
|
msg->params[0] = msg->params[2];
|
|
msg->params[2] = msg->params[3];
|
|
msg->params[3] = msg->params[0];
|
|
}
|
|
uiFormat(
|
|
Network, Warm, tagTime(msg),
|
|
"\3%02d%s\3\t%s%s%s",
|
|
completeColor(Network, msg->params[1]), msg->params[1],
|
|
msg->params[2],
|
|
(msg->params[3] ? " " : ""),
|
|
(msg->params[3] ? msg->params[3] : "")
|
|
);
|
|
}
|
|
|
|
static void handleReplyEndOfWhois(struct Message *msg) {
|
|
require(msg, false, 2);
|
|
if (!replies.whois) return;
|
|
if (strcmp(msg->params[1], self.nick)) {
|
|
completeRemove(Network, msg->params[1]);
|
|
}
|
|
replies.whois--;
|
|
}
|
|
|
|
static void handleReplyAway(struct Message *msg) {
|
|
require(msg, false, 3);
|
|
// Might be part of a WHOIS response.
|
|
uint id;
|
|
if (completeColor(Network, msg->params[1]) != Default) {
|
|
id = Network;
|
|
} else {
|
|
id = idFor(msg->params[1]);
|
|
}
|
|
uiFormat(
|
|
id, Warm, tagTime(msg),
|
|
"\3%02d%s\3\tis away: %s",
|
|
completeColor(id, msg->params[1]), msg->params[1], msg->params[2]
|
|
);
|
|
}
|
|
|
|
static void handleReplyNowAway(struct Message *msg) {
|
|
require(msg, false, 2);
|
|
if (!replies.away) return;
|
|
uiFormat(Network, Warm, tagTime(msg), "%s", msg->params[1]);
|
|
replies.away--;
|
|
}
|
|
|
|
static bool isAction(struct Message *msg) {
|
|
if (strncmp(msg->params[1], "\1ACTION ", 8)) return false;
|
|
msg->params[1] += 8;
|
|
size_t len = strlen(msg->params[1]);
|
|
if (msg->params[1][len - 1] == '\1') msg->params[1][len - 1] = '\0';
|
|
return true;
|
|
}
|
|
|
|
static bool isMention(const struct Message *msg) {
|
|
size_t len = strlen(self.nick);
|
|
const char *match = msg->params[1];
|
|
while (NULL != (match = strcasestr(match, self.nick))) {
|
|
char a = (match > msg->params[1] ? match[-1] : ' ');
|
|
char b = (match[len] ? match[len] : ' ');
|
|
if ((isspace(a) || ispunct(a)) && (isspace(b) || ispunct(b))) {
|
|
return true;
|
|
}
|
|
match = &match[len];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static const char *colorMentions(uint id, struct Message *msg) {
|
|
char *split = strchr(msg->params[1], ':');
|
|
if (!split) {
|
|
split = strchr(msg->params[1], ' ');
|
|
if (split) split = strchr(&split[1], ' ');
|
|
}
|
|
if (!split) split = &msg->params[1][strlen(msg->params[1])];
|
|
for (char *ch = msg->params[1]; ch < split; ++ch) {
|
|
if (iscntrl(*ch)) return "";
|
|
}
|
|
char delimit = *split;
|
|
char *mention = msg->params[1];
|
|
msg->params[1] = (delimit ? &split[1] : split);
|
|
*split = '\0';
|
|
|
|
static char buf[1024];
|
|
buf[0] = '\0';
|
|
while (*mention) {
|
|
size_t skip = strspn(mention, ",<> ");
|
|
catf(buf, sizeof(buf), "%.*s", (int)skip, mention);
|
|
mention += skip;
|
|
|
|
size_t len = strcspn(mention, ",<> ");
|
|
char punct = mention[len];
|
|
mention[len] = '\0';
|
|
enum Color color = completeColor(id, mention);
|
|
if (color != Default) {
|
|
catf(buf, sizeof(buf), "\3%02d%s\3", color, mention);
|
|
} else {
|
|
catf(buf, sizeof(buf), "%s", mention);
|
|
}
|
|
mention[len] = punct;
|
|
mention += len;
|
|
}
|
|
catf(buf, sizeof(buf), "%c", delimit);
|
|
return buf;
|
|
}
|
|
|
|
static void handlePrivmsg(struct Message *msg) {
|
|
require(msg, true, 2);
|
|
bool query = !strchr(network.chanTypes, msg->params[0][0]);
|
|
bool server = strchr(msg->nick, '.');
|
|
bool mine = !strcmp(msg->nick, self.nick);
|
|
uint id;
|
|
if (query && server) {
|
|
id = Network;
|
|
} else if (query && !mine) {
|
|
id = idFor(msg->nick);
|
|
idColors[id] = hash(msg->user);
|
|
} else {
|
|
id = idFor(msg->params[0]);
|
|
}
|
|
|
|
bool notice = (msg->cmd[0] == 'N');
|
|
bool action = isAction(msg);
|
|
bool mention = !mine && isMention(msg);
|
|
if (!notice && !mine) completeTouch(id, msg->nick, hash(msg->user));
|
|
urlScan(id, msg->nick, msg->params[1]);
|
|
if (notice) {
|
|
uiFormat(
|
|
id, Warm, tagTime(msg),
|
|
"\3%d-%s-\3%d\t%s",
|
|
hash(msg->user), msg->nick, LightGray, msg->params[1]
|
|
);
|
|
} else if (action) {
|
|
const char *mentions = colorMentions(id, msg);
|
|
uiFormat(
|
|
id, (mention || query ? Hot : Warm), tagTime(msg),
|
|
"%s\35\3%d* %s\17\35\t%s%s",
|
|
(mention ? "\26" : ""), hash(msg->user), msg->nick,
|
|
mentions, msg->params[1]
|
|
);
|
|
} else {
|
|
const char *mentions = colorMentions(id, msg);
|
|
uiFormat(
|
|
id, (mention || query ? Hot : Warm), tagTime(msg),
|
|
"%s\3%d<%s>\17\t%s%s",
|
|
(mention ? "\26" : ""), hash(msg->user), msg->nick,
|
|
mentions, msg->params[1]
|
|
);
|
|
}
|
|
}
|
|
|
|
static void handlePing(struct Message *msg) {
|
|
require(msg, false, 1);
|
|
ircFormat("PONG :%s\r\n", msg->params[0]);
|
|
}
|
|
|
|
static void handleError(struct Message *msg) {
|
|
require(msg, false, 1);
|
|
errx(EX_UNAVAILABLE, "%s", msg->params[0]);
|
|
}
|
|
|
|
static const struct Handler {
|
|
const char *cmd;
|
|
Handler *fn;
|
|
} Handlers[] = {
|
|
{ "001", handleReplyWelcome },
|
|
{ "005", handleReplyISupport },
|
|
{ "221", handleReplyUserModeIs },
|
|
{ "276", handleReplyWhoisGeneric },
|
|
{ "301", handleReplyAway },
|
|
{ "305", handleReplyNowAway },
|
|
{ "306", handleReplyNowAway },
|
|
{ "307", handleReplyWhoisGeneric },
|
|
{ "311", handleReplyWhoisUser },
|
|
{ "312", handleReplyWhoisServer },
|
|
{ "313", handleReplyWhoisGeneric },
|
|
{ "317", handleReplyWhoisIdle },
|
|
{ "318", handleReplyEndOfWhois },
|
|
{ "319", handleReplyWhoisChannels },
|
|
{ "322", handleReplyList },
|
|
{ "323", handleReplyListEnd },
|
|
{ "330", handleReplyWhoisGeneric },
|
|
{ "331", handleReplyNoTopic },
|
|
{ "332", handleReplyTopic },
|
|
{ "341", handleReplyInviting },
|
|
{ "346", handleReplyInviteList },
|
|
{ "347", handleReplyEndOfInviteList },
|
|
{ "348", handleReplyExceptList },
|
|
{ "349", handleReplyEndOfExceptList },
|
|
{ "353", handleReplyNames },
|
|
{ "366", handleReplyEndOfNames },
|
|
{ "367", handleReplyBanList },
|
|
{ "368", handleReplyEndOfBanList },
|
|
{ "372", handleReplyMOTD },
|
|
{ "378", handleReplyWhoisGeneric },
|
|
{ "379", handleReplyWhoisGeneric },
|
|
{ "422", handleErrorNoMOTD },
|
|
{ "432", handleErrorErroneousNickname },
|
|
{ "433", handleErrorNicknameInUse },
|
|
{ "441", handleErrorUserNotInChannel },
|
|
{ "443", handleErrorUserOnChannel },
|
|
{ "478", handleErrorBanListFull },
|
|
{ "482", handleErrorChanopPrivsNeeded },
|
|
{ "671", handleReplyWhoisGeneric },
|
|
{ "900", handleReplyLoggedIn },
|
|
{ "904", handleErrorSASLFail },
|
|
{ "905", handleErrorSASLFail },
|
|
{ "906", handleErrorSASLFail },
|
|
{ "AUTHENTICATE", handleAuthenticate },
|
|
{ "CAP", handleCap },
|
|
{ "ERROR", handleError },
|
|
{ "INVITE", handleInvite },
|
|
{ "JOIN", handleJoin },
|
|
{ "KICK", handleKick },
|
|
{ "MODE", handleMode },
|
|
{ "NICK", handleNick },
|
|
{ "NOTICE", handlePrivmsg },
|
|
{ "PART", handlePart },
|
|
{ "PING", handlePing },
|
|
{ "PRIVMSG", handlePrivmsg },
|
|
{ "QUIT", handleQuit },
|
|
{ "TOPIC", handleTopic },
|
|
};
|
|
|
|
static int compar(const void *cmd, const void *_handler) {
|
|
const struct Handler *handler = _handler;
|
|
return strcmp(cmd, handler->cmd);
|
|
}
|
|
|
|
void handle(struct Message msg) {
|
|
if (!msg.cmd) return;
|
|
if (msg.tags[TagPos]) {
|
|
self.pos = strtoull(msg.tags[TagPos], NULL, 10);
|
|
}
|
|
const struct Handler *handler = bsearch(
|
|
msg.cmd, Handlers, ARRAY_LEN(Handlers), sizeof(*handler), compar
|
|
);
|
|
if (handler) {
|
|
handler->fn(&msg);
|
|
} else if (strcmp(msg.cmd, "400") >= 0 && strcmp(msg.cmd, "599") <= 0) {
|
|
handleErrorGeneric(&msg);
|
|
}
|
|
}
|