1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/* 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;
enum Color {
White, Black, Blue, Green, Red, Brown, Magenta, Orange,
Yellow, LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray,
Default = 99,
};
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;
idNames[idNext] = strdup(name);
if (!idNames[idNext]) err(EX_OSERR, "strdup");
idColors[idNext] = Default;
return idNext++;
}
#define ENUM_CAP \
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;
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)));
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 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)));
enum Edit {
EditHome,
EditEnd,
EditLeft,
EditRight,
EditKill,
EditErase,
EditInsert,
EditComplete,
EditEnter,
};
void edit(size_t id, enum Edit op, wchar_t ch);
char *editHead(void);
char *editTail(void);
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 completeRemove(size_t id, const char *str);
FILE *configOpen(const char *path, const char *mode);
int getopt_config(
int argc, char *const *argv,
const char *optstring, const struct option *longopts, int *longindex
);
static inline enum Color hash(const char *str) {
if (*str == '~') str++;
uint32_t hash = 0;
for (; *str; ++str) {
hash = (hash << 5) | (hash >> 27);
hash ^= *str;
hash *= 0x27220A95;
}
return 2 + hash % 14;
}
#define BASE64_SIZE(len) (1 + ((len) + 2) / 3 * 4)
static const char Base64[64] = {
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
};
static inline void base64(char *dst, const byte *src, size_t len) {
size_t i = 0;
while (len > 2) {
dst[i++] = Base64[0x3F & (src[0] >> 2)];
dst[i++] = Base64[0x3F & (src[0] << 4 | src[1] >> 4)];
dst[i++] = Base64[0x3F & (src[1] << 2 | src[2] >> 6)];
dst[i++] = Base64[0x3F & src[2]];
src += 3;
len -= 3;
}
if (len) {
dst[i++] = Base64[0x3F & (src[0] >> 2)];
if (len > 1) {
dst[i++] = Base64[0x3F & (src[0] << 4 | src[1] >> 4)];
dst[i++] = Base64[0x3F & (src[1] << 2)];
} else {
dst[i++] = Base64[0x3F & (src[0] << 4)];
dst[i++] = '=';
}
dst[i++] = '=';
}
dst[i] = '\0';
}
// Defined in libcrypto if missing from libc:
void explicit_bzero(void *b, size_t len);
|