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
|
/* 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 <stdbool.h>
#include <string.h>
#include <sysexits.h>
#include <time.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 { None, Debug, Network, IDCap = 256 };
extern char *idNames[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");
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;
const char *join;
enum Cap caps;
char *plain;
char *nick;
} self;
#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, const char *cert, const char *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);
enum TermMode {
TermFocus,
TermPaste,
};
enum TermEvent {
TermNone,
TermFocusIn,
TermFocusOut,
TermPasteStart,
TermPasteEnd,
};
void termInit(void);
void termNoFlow(void);
void termTitle(const char *title);
void termMode(enum TermMode mode, bool set);
enum TermEvent termEvent(char ch);
#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);
|