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/* Copyright (C) 2020 C. McEnroe <june@causal.agency>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <err.h>
#include <getopt.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <sysexits.h>
#include <time.h>
#include <wchar.h>
#define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
#define BIT(x) x##Bit, x = 1 << x##Bit, x##Bit_ = x##Bit
typedef unsigned char byte;
int procPipe[2];
enum Color {
White, Black, Blue, Green, Red, Brown, Magenta, Orange,
Yellow, LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray,
Default = 99,
ColorCap,
};
enum { None, Debug, Network, IDCap = 256 };
extern char *idNames[IDCap];
extern enum Color idColors[IDCap];
extern size_t idNext;
static inline size_t idFind(const char *name) {
for (size_t id = 0; id < idNext; ++id) {
if (!strcmp(idNames[id], name)) return id;
}
return None;
}
static inline size_t idFor(const char *name) {
size_t id = idFind(name);
if (id) return id;
if (idNext == IDCap) return Network;
idNames[idNext] = strdup(name);
if (!idNames[idNext]) err(EX_OSERR, "strdup");
idColors[idNext] = Default;
return idNext++;
}
extern uint32_t hashInit;
static inline enum Color hash(const char *str) {
if (*str == '~') str++;
uint32_t hash = hashInit;
for (; *str; ++str) {
hash = (hash << 5) | (hash >> 27);
hash ^= *str;
hash *= 0x27220A95;
}
return 2 + hash % 74;
}
#define ENUM_CAP \
X("extended-join", CapExtendedJoin) \
X("sasl", CapSASL) \
X("server-time", CapServerTime) \
X("userhost-in-names", CapUserhostInNames)
enum Cap {
#define X(name, id) BIT(id),
ENUM_CAP
#undef X
};
extern struct Self {
bool debug;
bool restricted;
char *plain;
const char *join;
enum Cap caps;
char *network;
char *chanTypes;
char *prefixes;
char *nick;
char *user;
enum Color color;
char *quit;
} self;
static inline void set(char **field, const char *value) {
free(*field);
*field = strdup(value);
if (!*field) err(EX_OSERR, "strdup");
}
#define ENUM_TAG \
X("time", TagTime)
enum Tag {
#define X(name, id) id,
ENUM_TAG
#undef X
TagCap,
};
enum { ParamCap = 15 };
struct Message {
char *tags[TagCap];
char *nick;
char *user;
char *host;
char *cmd;
char *params[ParamCap];
};
void ircConfig(bool insecure, FILE *cert, FILE *priv);
int ircConnect(const char *host, const char *port);
void ircRecv(void);
void ircSend(const char *ptr, size_t len);
void ircFormat(const char *format, ...)
__attribute__((format(printf, 1, 2)));
extern struct Replies {
size_t join;
size_t topic;
size_t names;
size_t whois;
} replies;
void handle(struct Message msg);
void command(size_t id, char *input);
const char *commandIsPrivmsg(size_t id, const char *input);
const char *commandIsNotice(size_t id, const char *input);
const char *commandIsAction(size_t id, const char *input);
void commandComplete(void);
enum Heat { Cold, Warm, Hot };
void uiInit(void);
void uiShow(void);
void uiHide(void);
void uiDraw(void);
void uiShowID(size_t id);
void uiShowNum(size_t num);
void uiCloseID(size_t id);
void uiCloseNum(size_t id);
void uiRead(void);
void uiWrite(size_t id, enum Heat heat, const time_t *time, const char *str);
void uiFormat(
size_t id, enum Heat heat, const time_t *time, const char *format, ...
) __attribute__((format(printf, 4, 5)));
void uiLoad(const char *name);
int uiSave(const char *name);
enum Edit {
EditHead,
EditTail,
EditPrev,
EditNext,
EditPrevWord,
EditNextWord,
EditDeleteHead,
EditDeleteTail,
EditDeletePrev,
EditDeleteNext,
EditDeletePrevWord,
EditDeleteNextWord,
EditPaste,
EditInsert,
EditComplete,
EditEnter,
};
void edit(size_t id, enum Edit op, wchar_t ch);
char *editBuffer(size_t *pos);
const char *complete(size_t id, const char *prefix);
void completeAccept(void);
void completeReject(void);
void completeAdd(size_t id, const char *str, enum Color color);
void completeTouch(size_t id, const char *str, enum Color color);
void completeReplace(size_t id, const char *old, const char *new);
void completeRemove(size_t id, const char *str);
void completeClear(size_t id);
size_t completeID(const char *str);
enum Color completeColor(size_t id, const char *str);
extern const char *urlOpenUtil;
extern const char *urlCopyUtil;
void urlScan(size_t id, const char *nick, const char *mesg);
void urlOpenCount(size_t id, size_t count);
void urlOpenMatch(size_t id, const char *str);
void urlCopyMatch(size_t id, const char *str);
FILE *configOpen(const char *path, const char *mode);
FILE *dataOpen(const char *path, const char *mode);
int getopt_config(
int argc, char *const *argv,
const char *optstring, const struct option *longopts, int *longindex
);
// Defined in libcrypto if missing from libc:
void explicit_bzero(void *b, size_t len);
#ifndef strlcat
size_t strlcat(char *restrict dst, const char *restrict src, size_t dstsize);
#endif
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