Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.120
1.120 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.119 2020/01/12 22:00:20 nicm Exp $ */
1.1 nicm 2:
3: /*
1.84 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/time.h>
21:
1.104 nicm 22: #include <netinet/in.h>
23:
1.35 nicm 24: #include <limits.h>
1.104 nicm 25: #include <resolv.h>
1.35 nicm 26: #include <stdlib.h>
1.1 nicm 27: #include <string.h>
1.3 nicm 28: #include <termios.h>
29: #include <unistd.h>
1.1 nicm 30:
31: #include "tmux.h"
32:
1.9 nicm 33: /*
1.50 nicm 34: * Handle keys input from the outside terminal. tty_default_*_keys[] are a base
35: * table of supported keys which are looked up in terminfo(5) and translated
36: * into a ternary tree.
1.9 nicm 37: */
38:
1.86 nicm 39: static void tty_keys_add1(struct tty_key **, const char *, key_code);
40: static void tty_keys_add(struct tty *, const char *, key_code);
41: static void tty_keys_free1(struct tty_key *);
42: static struct tty_key *tty_keys_find1(struct tty_key *, const char *, size_t,
1.76 nicm 43: size_t *);
1.86 nicm 44: static struct tty_key *tty_keys_find(struct tty *, const char *, size_t,
45: size_t *);
46: static int tty_keys_next1(struct tty *, const char *, size_t, key_code *,
1.87 nicm 47: size_t *, int);
1.86 nicm 48: static void tty_keys_callback(int, short, void *);
1.111 nicm 49: static int tty_keys_mouse(struct tty *, const char *, size_t, size_t *,
50: struct mouse_event *);
1.104 nicm 51: static int tty_keys_clipboard(struct tty *, const char *, size_t,
52: size_t *);
1.91 nicm 53: static int tty_keys_device_attributes(struct tty *, const char *, size_t,
54: size_t *);
1.119 nicm 55: static int tty_keys_device_status_report(struct tty *, const char *,
56: size_t, size_t *);
1.1 nicm 57:
1.48 nicm 58: /* Default raw keys. */
59: struct tty_default_key_raw {
1.1 nicm 60: const char *string;
1.76 nicm 61: key_code key;
1.1 nicm 62: };
1.90 nicm 63: static const struct tty_default_key_raw tty_default_raw_keys[] = {
1.1 nicm 64: /*
1.8 nicm 65: * Numeric keypad. Just use the vt100 escape sequences here and always
66: * put the terminal into keypad_xmit mode. Translation of numbers
67: * mode/applications mode is done in input-keys.c.
1.1 nicm 68: */
1.48 nicm 69: { "\033Oo", KEYC_KP_SLASH },
70: { "\033Oj", KEYC_KP_STAR },
71: { "\033Om", KEYC_KP_MINUS },
72: { "\033Ow", KEYC_KP_SEVEN },
73: { "\033Ox", KEYC_KP_EIGHT },
74: { "\033Oy", KEYC_KP_NINE },
75: { "\033Ok", KEYC_KP_PLUS },
76: { "\033Ot", KEYC_KP_FOUR },
77: { "\033Ou", KEYC_KP_FIVE },
78: { "\033Ov", KEYC_KP_SIX },
79: { "\033Oq", KEYC_KP_ONE },
80: { "\033Or", KEYC_KP_TWO },
81: { "\033Os", KEYC_KP_THREE },
82: { "\033OM", KEYC_KP_ENTER },
83: { "\033Op", KEYC_KP_ZERO },
84: { "\033On", KEYC_KP_PERIOD },
1.10 nicm 85:
1.29 nicm 86: /* Arrow keys. */
1.48 nicm 87: { "\033OA", KEYC_UP },
88: { "\033OB", KEYC_DOWN },
89: { "\033OC", KEYC_RIGHT },
90: { "\033OD", KEYC_LEFT },
91:
92: { "\033[A", KEYC_UP },
93: { "\033[B", KEYC_DOWN },
94: { "\033[C", KEYC_RIGHT },
95: { "\033[D", KEYC_LEFT },
1.57 nicm 96:
97: /* Other (xterm) "cursor" keys. */
98: { "\033OH", KEYC_HOME },
99: { "\033OF", KEYC_END },
100:
101: { "\033[H", KEYC_HOME },
102: { "\033[F", KEYC_END },
1.21 nicm 103:
104: /* rxvt-style arrow + modifier keys. */
1.48 nicm 105: { "\033Oa", KEYC_UP|KEYC_CTRL },
106: { "\033Ob", KEYC_DOWN|KEYC_CTRL },
107: { "\033Oc", KEYC_RIGHT|KEYC_CTRL },
108: { "\033Od", KEYC_LEFT|KEYC_CTRL },
109:
110: { "\033[a", KEYC_UP|KEYC_SHIFT },
111: { "\033[b", KEYC_DOWN|KEYC_SHIFT },
112: { "\033[c", KEYC_RIGHT|KEYC_SHIFT },
113: { "\033[d", KEYC_LEFT|KEYC_SHIFT },
114:
115: /* rxvt-style function + modifier keys (C = ^, S = $, C-S = @). */
116: { "\033[11^", KEYC_F1|KEYC_CTRL },
117: { "\033[12^", KEYC_F2|KEYC_CTRL },
118: { "\033[13^", KEYC_F3|KEYC_CTRL },
119: { "\033[14^", KEYC_F4|KEYC_CTRL },
120: { "\033[15^", KEYC_F5|KEYC_CTRL },
121: { "\033[17^", KEYC_F6|KEYC_CTRL },
122: { "\033[18^", KEYC_F7|KEYC_CTRL },
123: { "\033[19^", KEYC_F8|KEYC_CTRL },
124: { "\033[20^", KEYC_F9|KEYC_CTRL },
125: { "\033[21^", KEYC_F10|KEYC_CTRL },
126: { "\033[23^", KEYC_F11|KEYC_CTRL },
127: { "\033[24^", KEYC_F12|KEYC_CTRL },
128: { "\033[2^", KEYC_IC|KEYC_CTRL },
129: { "\033[3^", KEYC_DC|KEYC_CTRL },
130: { "\033[7^", KEYC_HOME|KEYC_CTRL },
131: { "\033[8^", KEYC_END|KEYC_CTRL },
132: { "\033[6^", KEYC_NPAGE|KEYC_CTRL },
133: { "\033[5^", KEYC_PPAGE|KEYC_CTRL },
134:
135: { "\033[11$", KEYC_F1|KEYC_SHIFT },
136: { "\033[12$", KEYC_F2|KEYC_SHIFT },
137: { "\033[13$", KEYC_F3|KEYC_SHIFT },
138: { "\033[14$", KEYC_F4|KEYC_SHIFT },
139: { "\033[15$", KEYC_F5|KEYC_SHIFT },
140: { "\033[17$", KEYC_F6|KEYC_SHIFT },
141: { "\033[18$", KEYC_F7|KEYC_SHIFT },
142: { "\033[19$", KEYC_F8|KEYC_SHIFT },
143: { "\033[20$", KEYC_F9|KEYC_SHIFT },
144: { "\033[21$", KEYC_F10|KEYC_SHIFT },
145: { "\033[23$", KEYC_F11|KEYC_SHIFT },
146: { "\033[24$", KEYC_F12|KEYC_SHIFT },
147: { "\033[2$", KEYC_IC|KEYC_SHIFT },
148: { "\033[3$", KEYC_DC|KEYC_SHIFT },
149: { "\033[7$", KEYC_HOME|KEYC_SHIFT },
150: { "\033[8$", KEYC_END|KEYC_SHIFT },
151: { "\033[6$", KEYC_NPAGE|KEYC_SHIFT },
152: { "\033[5$", KEYC_PPAGE|KEYC_SHIFT },
153:
154: { "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT },
155: { "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT },
156: { "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT },
157: { "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT },
158: { "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT },
159: { "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT },
160: { "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT },
161: { "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT },
162: { "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT },
163: { "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT },
164: { "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT },
165: { "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT },
166: { "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT },
167: { "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT },
168: { "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT },
169: { "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT },
170: { "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT },
171: { "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT },
1.56 nicm 172:
173: /* Focus tracking. */
174: { "\033[I", KEYC_FOCUS_IN },
175: { "\033[O", KEYC_FOCUS_OUT },
1.98 nicm 176:
177: /* Paste keys. */
178: { "\033[200~", KEYC_PASTE_START },
179: { "\033[201~", KEYC_PASTE_END },
1.48 nicm 180: };
1.29 nicm 181:
1.103 nicm 182: /*
183: * Default terminfo(5) keys. Any keys that have builtin modifiers
184: * (that is, where the key itself contains the modifiers) has the
185: * KEYC_XTERM flag set so a leading escape is not treated as meta (and
186: * probably removed).
187: */
1.48 nicm 188: struct tty_default_key_code {
189: enum tty_code_code code;
1.76 nicm 190: key_code key;
1.48 nicm 191: };
1.90 nicm 192: static const struct tty_default_key_code tty_default_code_keys[] = {
1.29 nicm 193: /* Function keys. */
1.48 nicm 194: { TTYC_KF1, KEYC_F1 },
195: { TTYC_KF2, KEYC_F2 },
196: { TTYC_KF3, KEYC_F3 },
197: { TTYC_KF4, KEYC_F4 },
198: { TTYC_KF5, KEYC_F5 },
199: { TTYC_KF6, KEYC_F6 },
200: { TTYC_KF7, KEYC_F7 },
201: { TTYC_KF8, KEYC_F8 },
202: { TTYC_KF9, KEYC_F9 },
203: { TTYC_KF10, KEYC_F10 },
204: { TTYC_KF11, KEYC_F11 },
205: { TTYC_KF12, KEYC_F12 },
1.70 nicm 206:
1.103 nicm 207: { TTYC_KF13, KEYC_F1|KEYC_SHIFT|KEYC_XTERM },
208: { TTYC_KF14, KEYC_F2|KEYC_SHIFT|KEYC_XTERM },
209: { TTYC_KF15, KEYC_F3|KEYC_SHIFT|KEYC_XTERM },
210: { TTYC_KF16, KEYC_F4|KEYC_SHIFT|KEYC_XTERM },
211: { TTYC_KF17, KEYC_F5|KEYC_SHIFT|KEYC_XTERM },
212: { TTYC_KF18, KEYC_F6|KEYC_SHIFT|KEYC_XTERM },
213: { TTYC_KF19, KEYC_F7|KEYC_SHIFT|KEYC_XTERM },
214: { TTYC_KF20, KEYC_F8|KEYC_SHIFT|KEYC_XTERM },
215: { TTYC_KF21, KEYC_F9|KEYC_SHIFT|KEYC_XTERM },
216: { TTYC_KF22, KEYC_F10|KEYC_SHIFT|KEYC_XTERM },
217: { TTYC_KF23, KEYC_F11|KEYC_SHIFT|KEYC_XTERM },
218: { TTYC_KF24, KEYC_F12|KEYC_SHIFT|KEYC_XTERM },
219:
220: { TTYC_KF25, KEYC_F1|KEYC_CTRL|KEYC_XTERM },
221: { TTYC_KF26, KEYC_F2|KEYC_CTRL|KEYC_XTERM },
222: { TTYC_KF27, KEYC_F3|KEYC_CTRL|KEYC_XTERM },
223: { TTYC_KF28, KEYC_F4|KEYC_CTRL|KEYC_XTERM },
224: { TTYC_KF29, KEYC_F5|KEYC_CTRL|KEYC_XTERM },
225: { TTYC_KF30, KEYC_F6|KEYC_CTRL|KEYC_XTERM },
226: { TTYC_KF31, KEYC_F7|KEYC_CTRL|KEYC_XTERM },
227: { TTYC_KF32, KEYC_F8|KEYC_CTRL|KEYC_XTERM },
228: { TTYC_KF33, KEYC_F9|KEYC_CTRL|KEYC_XTERM },
229: { TTYC_KF34, KEYC_F10|KEYC_CTRL|KEYC_XTERM },
230: { TTYC_KF35, KEYC_F11|KEYC_CTRL|KEYC_XTERM },
231: { TTYC_KF36, KEYC_F12|KEYC_CTRL|KEYC_XTERM },
232:
233: { TTYC_KF37, KEYC_F1|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
234: { TTYC_KF38, KEYC_F2|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
235: { TTYC_KF39, KEYC_F3|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
236: { TTYC_KF40, KEYC_F4|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
237: { TTYC_KF41, KEYC_F5|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
238: { TTYC_KF42, KEYC_F6|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
239: { TTYC_KF43, KEYC_F7|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
240: { TTYC_KF44, KEYC_F8|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
241: { TTYC_KF45, KEYC_F9|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
242: { TTYC_KF46, KEYC_F10|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
243: { TTYC_KF47, KEYC_F11|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
244: { TTYC_KF48, KEYC_F12|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
245:
246: { TTYC_KF49, KEYC_F1|KEYC_ESCAPE|KEYC_XTERM },
247: { TTYC_KF50, KEYC_F2|KEYC_ESCAPE|KEYC_XTERM },
248: { TTYC_KF51, KEYC_F3|KEYC_ESCAPE|KEYC_XTERM },
249: { TTYC_KF52, KEYC_F4|KEYC_ESCAPE|KEYC_XTERM },
250: { TTYC_KF53, KEYC_F5|KEYC_ESCAPE|KEYC_XTERM },
251: { TTYC_KF54, KEYC_F6|KEYC_ESCAPE|KEYC_XTERM },
252: { TTYC_KF55, KEYC_F7|KEYC_ESCAPE|KEYC_XTERM },
253: { TTYC_KF56, KEYC_F8|KEYC_ESCAPE|KEYC_XTERM },
254: { TTYC_KF57, KEYC_F9|KEYC_ESCAPE|KEYC_XTERM },
255: { TTYC_KF58, KEYC_F10|KEYC_ESCAPE|KEYC_XTERM },
256: { TTYC_KF59, KEYC_F11|KEYC_ESCAPE|KEYC_XTERM },
257: { TTYC_KF60, KEYC_F12|KEYC_ESCAPE|KEYC_XTERM },
258:
259: { TTYC_KF61, KEYC_F1|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
260: { TTYC_KF62, KEYC_F2|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
261: { TTYC_KF63, KEYC_F3|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
1.70 nicm 262:
1.48 nicm 263: { TTYC_KICH1, KEYC_IC },
264: { TTYC_KDCH1, KEYC_DC },
265: { TTYC_KHOME, KEYC_HOME },
266: { TTYC_KEND, KEYC_END },
267: { TTYC_KNP, KEYC_NPAGE },
268: { TTYC_KPP, KEYC_PPAGE },
269: { TTYC_KCBT, KEYC_BTAB },
1.29 nicm 270:
271: /* Arrow keys from terminfo. */
1.48 nicm 272: { TTYC_KCUU1, KEYC_UP },
273: { TTYC_KCUD1, KEYC_DOWN },
274: { TTYC_KCUB1, KEYC_LEFT },
275: { TTYC_KCUF1, KEYC_RIGHT },
1.29 nicm 276:
1.103 nicm 277: /* Key and modifier capabilities. */
1.97 nicm 278: { TTYC_KDC2, KEYC_DC|KEYC_SHIFT|KEYC_XTERM },
279: { TTYC_KDC3, KEYC_DC|KEYC_ESCAPE|KEYC_XTERM },
280: { TTYC_KDC4, KEYC_DC|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
281: { TTYC_KDC5, KEYC_DC|KEYC_CTRL|KEYC_XTERM },
282: { TTYC_KDC6, KEYC_DC|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
283: { TTYC_KDC7, KEYC_DC|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.102 nicm 284: { TTYC_KIND, KEYC_DOWN|KEYC_SHIFT|KEYC_XTERM },
1.97 nicm 285: { TTYC_KDN2, KEYC_DOWN|KEYC_SHIFT|KEYC_XTERM },
286: { TTYC_KDN3, KEYC_DOWN|KEYC_ESCAPE|KEYC_XTERM },
287: { TTYC_KDN4, KEYC_DOWN|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
288: { TTYC_KDN5, KEYC_DOWN|KEYC_CTRL|KEYC_XTERM },
289: { TTYC_KDN6, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
290: { TTYC_KDN7, KEYC_DOWN|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
291: { TTYC_KEND2, KEYC_END|KEYC_SHIFT|KEYC_XTERM },
292: { TTYC_KEND3, KEYC_END|KEYC_ESCAPE|KEYC_XTERM },
293: { TTYC_KEND4, KEYC_END|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
294: { TTYC_KEND5, KEYC_END|KEYC_CTRL|KEYC_XTERM },
295: { TTYC_KEND6, KEYC_END|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
296: { TTYC_KEND7, KEYC_END|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
297: { TTYC_KHOM2, KEYC_HOME|KEYC_SHIFT|KEYC_XTERM },
298: { TTYC_KHOM3, KEYC_HOME|KEYC_ESCAPE|KEYC_XTERM },
299: { TTYC_KHOM4, KEYC_HOME|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
300: { TTYC_KHOM5, KEYC_HOME|KEYC_CTRL|KEYC_XTERM },
301: { TTYC_KHOM6, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
302: { TTYC_KHOM7, KEYC_HOME|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
303: { TTYC_KIC2, KEYC_IC|KEYC_SHIFT|KEYC_XTERM },
304: { TTYC_KIC3, KEYC_IC|KEYC_ESCAPE|KEYC_XTERM },
305: { TTYC_KIC4, KEYC_IC|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
306: { TTYC_KIC5, KEYC_IC|KEYC_CTRL|KEYC_XTERM },
307: { TTYC_KIC6, KEYC_IC|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
308: { TTYC_KIC7, KEYC_IC|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
309: { TTYC_KLFT2, KEYC_LEFT|KEYC_SHIFT|KEYC_XTERM },
310: { TTYC_KLFT3, KEYC_LEFT|KEYC_ESCAPE|KEYC_XTERM },
311: { TTYC_KLFT4, KEYC_LEFT|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
312: { TTYC_KLFT5, KEYC_LEFT|KEYC_CTRL|KEYC_XTERM },
313: { TTYC_KLFT6, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
314: { TTYC_KLFT7, KEYC_LEFT|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
315: { TTYC_KNXT2, KEYC_NPAGE|KEYC_SHIFT|KEYC_XTERM },
316: { TTYC_KNXT3, KEYC_NPAGE|KEYC_ESCAPE|KEYC_XTERM },
317: { TTYC_KNXT4, KEYC_NPAGE|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
318: { TTYC_KNXT5, KEYC_NPAGE|KEYC_CTRL|KEYC_XTERM },
319: { TTYC_KNXT6, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
320: { TTYC_KNXT7, KEYC_NPAGE|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
321: { TTYC_KPRV2, KEYC_PPAGE|KEYC_SHIFT|KEYC_XTERM },
322: { TTYC_KPRV3, KEYC_PPAGE|KEYC_ESCAPE|KEYC_XTERM },
323: { TTYC_KPRV4, KEYC_PPAGE|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
324: { TTYC_KPRV5, KEYC_PPAGE|KEYC_CTRL|KEYC_XTERM },
325: { TTYC_KPRV6, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
326: { TTYC_KPRV7, KEYC_PPAGE|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
327: { TTYC_KRIT2, KEYC_RIGHT|KEYC_SHIFT|KEYC_XTERM },
328: { TTYC_KRIT3, KEYC_RIGHT|KEYC_ESCAPE|KEYC_XTERM },
329: { TTYC_KRIT4, KEYC_RIGHT|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
330: { TTYC_KRIT5, KEYC_RIGHT|KEYC_CTRL|KEYC_XTERM },
331: { TTYC_KRIT6, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
332: { TTYC_KRIT7, KEYC_RIGHT|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.100 nicm 333: { TTYC_KRI, KEYC_UP|KEYC_SHIFT|KEYC_XTERM },
1.97 nicm 334: { TTYC_KUP2, KEYC_UP|KEYC_SHIFT|KEYC_XTERM },
335: { TTYC_KUP3, KEYC_UP|KEYC_ESCAPE|KEYC_XTERM },
336: { TTYC_KUP4, KEYC_UP|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
337: { TTYC_KUP5, KEYC_UP|KEYC_CTRL|KEYC_XTERM },
338: { TTYC_KUP6, KEYC_UP|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
339: { TTYC_KUP7, KEYC_UP|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.1 nicm 340: };
341:
1.48 nicm 342: /* Add key to tree. */
1.86 nicm 343: static void
1.76 nicm 344: tty_keys_add(struct tty *tty, const char *s, key_code key)
1.16 nicm 345: {
1.29 nicm 346: struct tty_key *tk;
347: size_t size;
348: const char *keystr;
1.1 nicm 349:
1.29 nicm 350: keystr = key_string_lookup_key(key);
351: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
1.76 nicm 352: log_debug("new key %s: 0x%llx (%s)", s, key, keystr);
1.16 nicm 353: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 354: } else {
1.76 nicm 355: log_debug("replacing key %s: 0x%llx (%s)", s, key, keystr);
1.29 nicm 356: tk->key = key;
1.16 nicm 357: }
1.1 nicm 358: }
359:
1.16 nicm 360: /* Add next node to the tree. */
1.86 nicm 361: static void
1.76 nicm 362: tty_keys_add1(struct tty_key **tkp, const char *s, key_code key)
1.1 nicm 363: {
1.16 nicm 364: struct tty_key *tk;
1.1 nicm 365:
1.16 nicm 366: /* Allocate a tree entry if there isn't one already. */
367: tk = *tkp;
368: if (tk == NULL) {
369: tk = *tkp = xcalloc(1, sizeof *tk);
370: tk->ch = *s;
1.83 nicm 371: tk->key = KEYC_UNKNOWN;
1.16 nicm 372: }
373:
374: /* Find the next entry. */
375: if (*s == tk->ch) {
376: /* Move forward in string. */
377: s++;
378:
379: /* If this is the end of the string, no more is necessary. */
380: if (*s == '\0') {
381: tk->key = key;
382: return;
383: }
384:
385: /* Use the child tree for the next character. */
386: tkp = &tk->next;
1.27 nicm 387: } else {
1.16 nicm 388: if (*s < tk->ch)
389: tkp = &tk->left;
390: else if (*s > tk->ch)
391: tkp = &tk->right;
392: }
393:
394: /* And recurse to add it. */
395: tty_keys_add1(tkp, s, key);
1.1 nicm 396: }
397:
1.16 nicm 398: /* Initialise a key tree from the table. */
1.1 nicm 399: void
1.48 nicm 400: tty_keys_build(struct tty *tty)
1.1 nicm 401: {
1.48 nicm 402: const struct tty_default_key_raw *tdkr;
403: const struct tty_default_key_code *tdkc;
1.107 nicm 404: u_int i;
1.109 nicm 405: const char *s;
1.99 nicm 406: struct options_entry *o;
1.107 nicm 407: struct options_array_item *a;
1.109 nicm 408: union options_value *ov;
1.1 nicm 409:
1.48 nicm 410: if (tty->key_tree != NULL)
1.71 nicm 411: tty_keys_free(tty);
1.16 nicm 412: tty->key_tree = NULL;
1.1 nicm 413:
1.48 nicm 414: for (i = 0; i < nitems(tty_default_raw_keys); i++) {
415: tdkr = &tty_default_raw_keys[i];
416:
417: s = tdkr->string;
1.51 nicm 418: if (*s != '\0')
419: tty_keys_add(tty, s, tdkr->key);
1.48 nicm 420: }
421: for (i = 0; i < nitems(tty_default_code_keys); i++) {
422: tdkc = &tty_default_code_keys[i];
423:
424: s = tty_term_string(tty->term, tdkc->code);
1.51 nicm 425: if (*s != '\0')
426: tty_keys_add(tty, s, tdkc->key);
1.1 nicm 427:
1.99 nicm 428: }
429:
430: o = options_get(global_options, "user-keys");
1.107 nicm 431: if (o != NULL) {
432: a = options_array_first(o);
433: while (a != NULL) {
1.112 nicm 434: i = options_array_item_index(a);
1.109 nicm 435: ov = options_array_item_value(a);
1.110 nicm 436: tty_keys_add(tty, ov->string, KEYC_USER + i);
1.107 nicm 437: a = options_array_next(a);
1.99 nicm 438: }
1.1 nicm 439: }
440: }
441:
1.16 nicm 442: /* Free the entire key tree. */
1.1 nicm 443: void
444: tty_keys_free(struct tty *tty)
445: {
1.16 nicm 446: tty_keys_free1(tty->key_tree);
447: }
1.1 nicm 448:
1.16 nicm 449: /* Free a single key. */
1.86 nicm 450: static void
1.16 nicm 451: tty_keys_free1(struct tty_key *tk)
452: {
453: if (tk->next != NULL)
454: tty_keys_free1(tk->next);
455: if (tk->left != NULL)
456: tty_keys_free1(tk->left);
457: if (tk->right != NULL)
458: tty_keys_free1(tk->right);
1.42 nicm 459: free(tk);
1.1 nicm 460: }
461:
1.16 nicm 462: /* Lookup a key in the tree. */
1.86 nicm 463: static struct tty_key *
1.16 nicm 464: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 465: {
1.16 nicm 466: *size = 0;
467: return (tty_keys_find1(tty->key_tree, buf, len, size));
468: }
1.1 nicm 469:
1.16 nicm 470: /* Find the next node. */
1.86 nicm 471: static struct tty_key *
1.16 nicm 472: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
473: {
1.106 nicm 474: /* If no data, no match. */
475: if (len == 0)
476: return (NULL);
477:
1.16 nicm 478: /* If the node is NULL, this is the end of the tree. No match. */
479: if (tk == NULL)
1.1 nicm 480: return (NULL);
481:
1.16 nicm 482: /* Pick the next in the sequence. */
483: if (tk->ch == *buf) {
484: /* Move forward in the string. */
485: buf++; len--;
486: (*size)++;
1.1 nicm 487:
1.16 nicm 488: /* At the end of the string, return the current node. */
1.83 nicm 489: if (len == 0 || (tk->next == NULL && tk->key != KEYC_UNKNOWN))
1.16 nicm 490: return (tk);
1.1 nicm 491:
1.16 nicm 492: /* Move into the next tree for the following character. */
493: tk = tk->next;
494: } else {
495: if (*buf < tk->ch)
496: tk = tk->left;
497: else if (*buf > tk->ch)
498: tk = tk->right;
1.1 nicm 499: }
500:
1.16 nicm 501: /* Move to the next in the tree. */
502: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 503: }
504:
1.86 nicm 505: /* Look up part of the next key. */
506: static int
507: tty_keys_next1(struct tty *tty, const char *buf, size_t len, key_code *key,
1.87 nicm 508: size_t *size, int expired)
1.86 nicm 509: {
1.94 nicm 510: struct client *c = tty->client;
1.86 nicm 511: struct tty_key *tk, *tk1;
512: struct utf8_data ud;
513: enum utf8_state more;
514: u_int i;
515: wchar_t wc;
1.97 nicm 516: int n;
1.86 nicm 517:
1.94 nicm 518: log_debug("%s: next key is %zu (%.*s) (expired=%d)", c->name, len,
519: (int)len, buf, expired);
1.86 nicm 520:
521: /* Is this a known key? */
522: tk = tty_keys_find(tty, buf, len, size);
1.87 nicm 523: if (tk != NULL && tk->key != KEYC_UNKNOWN) {
1.86 nicm 524: tk1 = tk;
525: do
1.94 nicm 526: log_debug("%s: keys in list: %#llx", c->name, tk1->key);
1.86 nicm 527: while ((tk1 = tk1->next) != NULL);
1.87 nicm 528: if (tk->next != NULL && !expired)
529: return (1);
1.86 nicm 530: *key = tk->key;
1.87 nicm 531: return (0);
1.86 nicm 532: }
533:
1.97 nicm 534: /* Is this an an xterm(1) key? */
535: n = xterm_keys_find(buf, len, size, key);
536: if (n == 0)
537: return (0);
538: if (n == 1 && !expired)
539: return (1);
540:
1.86 nicm 541: /* Is this valid UTF-8? */
542: more = utf8_open(&ud, (u_char)*buf);
543: if (more == UTF8_MORE) {
544: *size = ud.size;
1.87 nicm 545: if (len < ud.size) {
546: if (!expired)
547: return (1);
548: return (-1);
549: }
1.86 nicm 550: for (i = 1; i < ud.size; i++)
551: more = utf8_append(&ud, (u_char)buf[i]);
552: if (more != UTF8_DONE)
1.87 nicm 553: return (-1);
1.86 nicm 554:
555: if (utf8_combine(&ud, &wc) != UTF8_DONE)
1.87 nicm 556: return (-1);
1.86 nicm 557: *key = wc;
558:
1.94 nicm 559: log_debug("%s: UTF-8 key %.*s %#llx", c->name, (int)ud.size,
560: buf, *key);
1.86 nicm 561: return (0);
562: }
563:
564: return (-1);
565: }
566:
1.111 nicm 567: /* Process at least one key in the buffer. Return 0 if no keys present. */
568: int
1.14 nicm 569: tty_keys_next(struct tty *tty)
1.1 nicm 570: {
1.111 nicm 571: struct client *c = tty->client;
572: struct timeval tv;
573: const char *buf;
574: size_t len, size;
575: cc_t bspace;
576: int delay, expired = 0, n;
577: key_code key;
578: struct mouse_event m = { 0 };
579: struct key_event *event;
580:
581: gettimeofday(&tv, NULL);
1.1 nicm 582:
1.51 nicm 583: /* Get key buffer. */
1.93 nicm 584: buf = EVBUFFER_DATA(tty->in);
585: len = EVBUFFER_LENGTH(tty->in);
1.1 nicm 586: if (len == 0)
1.14 nicm 587: return (0);
1.94 nicm 588: log_debug("%s: keys are %zu (%.*s)", c->name, len, (int)len, buf);
1.1 nicm 589:
1.104 nicm 590: /* Is this a clipboard response? */
591: switch (tty_keys_clipboard(tty, buf, len, &size)) {
592: case 0: /* yes */
593: key = KEYC_UNKNOWN;
594: goto complete_key;
595: case -1: /* no, or not valid */
596: break;
597: case 1: /* partial */
598: goto partial_key;
599: }
600:
1.91 nicm 601: /* Is this a device attributes response? */
602: switch (tty_keys_device_attributes(tty, buf, len, &size)) {
603: case 0: /* yes */
604: key = KEYC_UNKNOWN;
605: goto complete_key;
606: case -1: /* no, or not valid */
607: break;
608: case 1: /* partial */
609: goto partial_key;
610: }
611:
1.119 nicm 612: /* Is this a device status report response? */
613: switch (tty_keys_device_status_report(tty, buf, len, &size)) {
614: case 0: /* yes */
615: key = KEYC_UNKNOWN;
616: goto complete_key;
617: case -1: /* no, or not valid */
618: break;
619: case 1: /* partial */
620: goto partial_key;
621: }
622:
1.26 nicm 623: /* Is this a mouse key press? */
1.111 nicm 624: switch (tty_keys_mouse(tty, buf, len, &size, &m)) {
1.22 nicm 625: case 0: /* yes */
626: key = KEYC_MOUSE;
1.51 nicm 627: goto complete_key;
1.22 nicm 628: case -1: /* no, or not valid */
1.24 nicm 629: break;
1.67 nicm 630: case -2: /* yes, but we don't care. */
1.73 nicm 631: key = KEYC_MOUSE;
1.67 nicm 632: goto discard_key;
1.22 nicm 633: case 1: /* partial */
634: goto partial_key;
1.11 nicm 635: }
636:
1.86 nicm 637: first_key:
1.101 nicm 638: /* Try to lookup complete key. */
639: n = tty_keys_next1(tty, buf, len, &key, &size, expired);
640: if (n == 0) /* found */
641: goto complete_key;
642: if (n == 1)
643: goto partial_key;
644:
645: /*
646: * If not a complete key, look for key with an escape prefix (meta
647: * modifier).
648: */
1.105 nicm 649: if (*buf == '\033' && len > 1) {
1.87 nicm 650: /* Look for a key without the escape. */
651: n = tty_keys_next1(tty, buf + 1, len - 1, &key, &size, expired);
652: if (n == 0) { /* found */
1.97 nicm 653: if (key & KEYC_XTERM) {
654: /*
655: * We want the escape key as well as the xterm
656: * key, because the xterm sequence implicitly
657: * includes the escape (so if we see
658: * \033\033[1;3D we know it is an Escape
659: * followed by M-Left, not just M-Left).
660: */
661: key = '\033';
662: size = 1;
663: goto complete_key;
664: }
1.87 nicm 665: key |= KEYC_ESCAPE;
666: size++;
667: goto complete_key;
668: }
669: if (n == 1) /* partial */
1.62 nicm 670: goto partial_key;
1.89 nicm 671: }
1.1 nicm 672:
1.89 nicm 673: /*
674: * At this point, we know the key is not partial (with or without
675: * escape). So pass it through even if the timer has not expired.
676: */
677: if (*buf == '\033' && len >= 2) {
678: key = (u_char)buf[1] | KEYC_ESCAPE;
679: size = 2;
680: } else {
681: key = (u_char)buf[0];
682: size = 1;
1.76 nicm 683: }
1.51 nicm 684: goto complete_key;
685:
686: partial_key:
1.94 nicm 687: log_debug("%s: partial key %.*s", c->name, (int)len, buf);
1.14 nicm 688:
1.51 nicm 689: /* If timer is going, check for expiration. */
690: if (tty->flags & TTY_TIMER) {
691: if (evtimer_initialized(&tty->key_timer) &&
1.59 nicm 692: !evtimer_pending(&tty->key_timer, NULL)) {
693: expired = 1;
1.51 nicm 694: goto first_key;
1.59 nicm 695: }
1.39 nicm 696: return (0);
1.51 nicm 697: }
1.39 nicm 698:
1.51 nicm 699: /* Get the time period. */
1.75 nicm 700: delay = options_get_number(global_options, "escape-time");
1.28 nicm 701: tv.tv_sec = delay / 1000;
702: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 703:
1.51 nicm 704: /* Start the timer. */
1.36 nicm 705: if (event_initialized(&tty->key_timer))
706: evtimer_del(&tty->key_timer);
1.14 nicm 707: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
708: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 709:
1.51 nicm 710: tty->flags |= TTY_TIMER;
1.14 nicm 711: return (0);
1.1 nicm 712:
1.51 nicm 713: complete_key:
1.94 nicm 714: log_debug("%s: complete key %.*s %#llx", c->name, (int)size, buf, key);
1.88 nicm 715:
716: /*
717: * Check for backspace key using termios VERASE - the terminfo
718: * kbs entry is extremely unreliable, so cannot be safely
719: * used. termios should have a better idea.
720: */
721: bspace = tty->tio.c_cc[VERASE];
722: if (bspace != _POSIX_VDISABLE && (key & KEYC_MASK_KEY) == bspace)
723: key = (key & KEYC_MASK_MOD) | KEYC_BSPACE;
1.16 nicm 724:
1.51 nicm 725: /* Remove data from buffer. */
1.93 nicm 726: evbuffer_drain(tty->in, size);
1.16 nicm 727:
1.51 nicm 728: /* Remove key timer. */
1.36 nicm 729: if (event_initialized(&tty->key_timer))
730: evtimer_del(&tty->key_timer);
1.51 nicm 731: tty->flags &= ~TTY_TIMER;
1.56 nicm 732:
733: /* Check for focus events. */
734: if (key == KEYC_FOCUS_OUT) {
735: tty->client->flags &= ~CLIENT_FOCUSED;
736: return (1);
737: } else if (key == KEYC_FOCUS_IN) {
738: tty->client->flags |= CLIENT_FOCUSED;
739: return (1);
740: }
1.16 nicm 741:
1.51 nicm 742: /* Fire the key. */
1.111 nicm 743: if (key != KEYC_UNKNOWN) {
744: event = xmalloc(sizeof *event);
745: event->key = key;
746: memcpy(&event->m, &m, sizeof event->m);
1.113 nicm 747: if (!server_client_handle_key(c, event))
748: free(event);
1.111 nicm 749: }
1.16 nicm 750:
1.14 nicm 751: return (1);
1.67 nicm 752:
753: discard_key:
1.94 nicm 754: log_debug("%s: discard key %.*s %#llx", c->name, (int)size, buf, key);
1.67 nicm 755:
756: /* Remove data from buffer. */
1.93 nicm 757: evbuffer_drain(tty->in, size);
1.67 nicm 758:
759: return (1);
1.14 nicm 760: }
761:
1.16 nicm 762: /* Key timer callback. */
1.86 nicm 763: static void
1.81 nicm 764: tty_keys_callback(__unused int fd, __unused short events, void *data)
1.14 nicm 765: {
766: struct tty *tty = data;
767:
1.51 nicm 768: if (tty->flags & TTY_TIMER) {
769: while (tty_keys_next(tty))
770: ;
771: }
1.1 nicm 772: }
773:
1.27 nicm 774: /*
1.22 nicm 775: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
776: * (probably a mouse sequence but need more data).
777: */
1.86 nicm 778: static int
1.111 nicm 779: tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
780: struct mouse_event *m)
1.1 nicm 781: {
1.111 nicm 782: struct client *c = tty->client;
783: u_int i, x, y, b, sgr_b;
784: u_char sgr_type, ch;
1.33 nicm 785:
1.1 nicm 786: /*
1.33 nicm 787: * Standard mouse sequences are \033[M followed by three characters
1.55 nicm 788: * indicating button, X and Y, all based at 32 with 1,1 top-left.
1.33 nicm 789: *
790: * UTF-8 mouse sequences are similar but the three are expressed as
791: * UTF-8 characters.
1.55 nicm 792: *
793: * SGR extended mouse sequences are \033[< followed by three numbers in
794: * decimal and separated by semicolons indicating button, X and Y. A
795: * trailing 'M' is click or scroll and trailing 'm' release. All are
796: * based at 0 with 1,1 top-left.
1.1 nicm 797: */
798:
1.22 nicm 799: *size = 0;
1.72 nicm 800: x = y = b = sgr_b = 0;
801: sgr_type = ' ';
1.22 nicm 802:
1.55 nicm 803: /* First two bytes are always \033[. */
1.22 nicm 804: if (buf[0] != '\033')
805: return (-1);
806: if (len == 1)
807: return (1);
808: if (buf[1] != '[')
809: return (-1);
810: if (len == 2)
811: return (1);
812:
1.55 nicm 813: /*
1.82 nicm 814: * Third byte is M in old standard (and UTF-8 extension which we do not
815: * support), < in SGR extension.
1.55 nicm 816: */
817: if (buf[2] == 'M') {
818: /* Read the three inputs. */
819: *size = 3;
820: for (i = 0; i < 3; i++) {
821: if (len <= *size)
822: return (1);
1.94 nicm 823: ch = (u_char)buf[(*size)++];
1.55 nicm 824: if (i == 0)
1.94 nicm 825: b = ch;
1.55 nicm 826: else if (i == 1)
1.94 nicm 827: x = ch;
1.55 nicm 828: else
1.94 nicm 829: y = ch;
1.33 nicm 830: }
1.94 nicm 831: log_debug("%s: mouse input: %.*s", c->name, (int)*size, buf);
1.16 nicm 832:
1.55 nicm 833: /* Check and return the mouse input. */
1.60 nicm 834: if (b < 32)
1.55 nicm 835: return (-1);
836: b -= 32;
1.60 nicm 837: if (x >= 33)
838: x -= 33;
839: else
840: x = 256 - x;
841: if (y >= 33)
842: y -= 33;
843: else
844: y = 256 - y;
1.55 nicm 845: } else if (buf[2] == '<') {
846: /* Read the three inputs. */
847: *size = 3;
848: while (1) {
849: if (len <= *size)
850: return (1);
1.94 nicm 851: ch = (u_char)buf[(*size)++];
852: if (ch == ';')
1.55 nicm 853: break;
1.94 nicm 854: if (ch < '0' || ch > '9')
1.55 nicm 855: return (-1);
1.94 nicm 856: sgr_b = 10 * sgr_b + (ch - '0');
1.55 nicm 857: }
858: while (1) {
859: if (len <= *size)
860: return (1);
1.94 nicm 861: ch = (u_char)buf[(*size)++];
862: if (ch == ';')
1.55 nicm 863: break;
1.94 nicm 864: if (ch < '0' || ch > '9')
1.55 nicm 865: return (-1);
1.94 nicm 866: x = 10 * x + (ch - '0');
1.55 nicm 867: }
868: while (1) {
869: if (len <= *size)
870: return (1);
1.94 nicm 871: ch = (u_char)buf[(*size)++];
872: if (ch == 'M' || ch == 'm')
1.55 nicm 873: break;
1.94 nicm 874: if (ch < '0' || ch > '9')
1.55 nicm 875: return (-1);
1.94 nicm 876: y = 10 * y + (ch - '0');
1.55 nicm 877: }
1.94 nicm 878: log_debug("%s: mouse input (SGR): %.*s", c->name, (int)*size,
879: buf);
1.1 nicm 880:
1.55 nicm 881: /* Check and return the mouse input. */
882: if (x < 1 || y < 1)
883: return (-1);
884: x--;
885: y--;
1.72 nicm 886: b = sgr_b;
887:
888: /* Type is M for press, m for release. */
1.94 nicm 889: sgr_type = ch;
1.72 nicm 890: if (sgr_type == 'm')
891: b |= 3;
1.67 nicm 892:
893: /*
894: * Some terminals (like PuTTY 0.63) mistakenly send
895: * button-release events for scroll-wheel button-press event.
896: * Discard it before it reaches any program running inside
897: * tmux.
898: */
1.72 nicm 899: if (sgr_type == 'm' && (sgr_b & 64))
1.67 nicm 900: return (-2);
1.55 nicm 901: } else
1.22 nicm 902: return (-1);
1.45 nicm 903:
1.72 nicm 904: /* Fill mouse event. */
1.111 nicm 905: m->lx = tty->mouse_last_x;
1.61 nicm 906: m->x = x;
1.111 nicm 907: m->ly = tty->mouse_last_y;
1.61 nicm 908: m->y = y;
1.114 nicm 909: m->lb = tty->mouse_last_b;
1.72 nicm 910: m->b = b;
911: m->sgr_type = sgr_type;
912: m->sgr_b = sgr_b;
1.111 nicm 913:
914: /* Update last mouse state. */
915: tty->mouse_last_x = x;
916: tty->mouse_last_y = y;
1.114 nicm 917: tty->mouse_last_b = b;
1.104 nicm 918:
919: return (0);
920: }
921:
922: /*
923: * Handle OSC 52 clipboard input. Returns 0 for success, -1 for failure, 1 for
924: * partial.
925: */
926: static int
927: tty_keys_clipboard(__unused struct tty *tty, const char *buf, size_t len,
928: size_t *size)
929: {
930: size_t end, terminator, needed;
931: char *copy, *out;
932: int outlen;
933:
934: *size = 0;
935:
936: /* First three bytes are always \033]52;. */
937: if (buf[0] != '\033')
938: return (-1);
939: if (len == 1)
940: return (1);
941: if (buf[1] != ']')
942: return (-1);
943: if (len == 2)
944: return (1);
945: if (buf[2] != '5')
946: return (-1);
947: if (len == 3)
948: return (1);
949: if (buf[3] != '2')
950: return (-1);
951: if (len == 4)
952: return (1);
953: if (buf[4] != ';')
954: return (-1);
955: if (len == 5)
956: return (1);
957:
958: /* Find the terminator if any. */
959: for (end = 5; end < len; end++) {
960: if (buf[end] == '\007') {
961: terminator = 1;
962: break;
963: }
964: if (end > 5 && buf[end - 1] == '\033' && buf[end] == '\\') {
965: terminator = 2;
966: break;
967: }
968: }
969: if (end == len)
970: return (1);
971: *size = end + terminator;
972:
973: /* Skip the initial part. */
974: buf += 5;
975: end -= 5;
976:
977: /* Get the second argument. */
978: while (end != 0 && *buf != ';') {
979: buf++;
980: end--;
981: }
982: if (end == 0 || end == 1)
983: return (0);
984: buf++;
985: end--;
986:
987: /* It has to be a string so copy it. */
988: copy = xmalloc(end + 1);
989: memcpy(copy, buf, end);
990: copy[end] = '\0';
991:
992: /* Convert from base64. */
993: needed = (end / 4) * 3;
994: out = xmalloc(needed);
995: if ((outlen = b64_pton(copy, out, len)) == -1) {
996: free(out);
997: free(copy);
998: return (0);
999: }
1000: free(copy);
1001:
1002: /* Create a new paste buffer. */
1003: log_debug("%s: %.*s", __func__, outlen, out);
1.108 nicm 1004: paste_add(NULL, out, outlen);
1.91 nicm 1005:
1006: return (0);
1007: }
1008:
1009: /*
1010: * Handle device attributes input. Returns 0 for success, -1 for failure, 1 for
1011: * partial.
1012: */
1013: static int
1014: tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
1015: size_t *size)
1016: {
1.118 nicm 1017: struct client *c = tty->client;
1018: u_int i, n = 0;
1019: char tmp[64], *endptr, p[32] = { 0 }, *cp, *next;
1020: int flags = 0;
1.91 nicm 1021:
1022: *size = 0;
1.120 ! nicm 1023: if (tty->flags & TTY_HAVEDA)
! 1024: return (-1);
1.91 nicm 1025:
1026: /* First three bytes are always \033[?. */
1027: if (buf[0] != '\033')
1028: return (-1);
1029: if (len == 1)
1030: return (1);
1031: if (buf[1] != '[')
1032: return (-1);
1033: if (len == 2)
1034: return (1);
1035: if (buf[2] != '?')
1036: return (-1);
1037: if (len == 3)
1038: return (1);
1039:
1040: /* Copy the rest up to a 'c'. */
1041: for (i = 0; i < (sizeof tmp) - 1 && buf[3 + i] != 'c'; i++) {
1042: if (3 + i == len)
1043: return (1);
1044: tmp[i] = buf[3 + i];
1045: }
1046: if (i == (sizeof tmp) - 1)
1047: return (-1);
1048: tmp[i] = '\0';
1049: *size = 4 + i;
1050:
1051: /* Convert version numbers. */
1.116 nicm 1052: cp = tmp;
1053: while ((next = strsep(&cp, ";")) != NULL) {
1054: p[n] = strtoul(next, &endptr, 10);
1.117 nicm 1055: if (*endptr != '\0')
1.116 nicm 1056: p[n] = 0;
1057: n++;
1058: }
1.91 nicm 1059:
1.118 nicm 1060: /* Set terminal flags. */
1.116 nicm 1061: switch (p[0]) {
1.118 nicm 1062: case 64: /* VT420 */
1063: flags |= (TERM_DECFRA|TERM_DECSLRM);
1.91 nicm 1064: break;
1065: }
1.117 nicm 1066: for (i = 1; i < n; i++)
1.116 nicm 1067: log_debug("%s: DA feature: %d", c->name, p[i]);
1.118 nicm 1068: log_debug("%s: received DA %.*s", c->name, (int)*size, buf);
1.120 ! nicm 1069:
1.119 nicm 1070: tty_set_flags(tty, flags);
1.120 ! nicm 1071: tty->flags |= TTY_HAVEDA;
! 1072:
1.119 nicm 1073: return (0);
1074: }
1075:
1076: /*
1077: * Handle device status report input. Returns 0 for success, -1 for failure, 1
1078: * for partial.
1079: */
1080: static int
1081: tty_keys_device_status_report(struct tty *tty, const char *buf, size_t len,
1082: size_t *size)
1083: {
1084: struct client *c = tty->client;
1085: u_int i;
1086: char tmp[64];
1087: int flags = 0;
1088:
1089: *size = 0;
1.120 ! nicm 1090: if (tty->flags & TTY_HAVEDSR)
! 1091: return (-1);
1.119 nicm 1092:
1093: /* First three bytes are always \033[. */
1094: if (buf[0] != '\033')
1095: return (-1);
1096: if (len == 1)
1097: return (1);
1098: if (buf[1] != '[')
1099: return (-1);
1100: if (len == 2)
1101: return (1);
1.120 ! nicm 1102: if (buf[2] != 'I')
! 1103: return (-1);
! 1104: if (len == 3)
! 1105: return (1);
1.119 nicm 1106:
1107: /* Copy the rest up to a 'n'. */
1108: for (i = 0; i < (sizeof tmp) - 1 && buf[2 + i] != 'n'; i++) {
1109: if (2 + i == len)
1110: return (1);
1111: tmp[i] = buf[2 + i];
1112: }
1113: if (i == (sizeof tmp) - 1)
1114: return (-1);
1115: tmp[i] = '\0';
1116: *size = 3 + i;
1117:
1118: /* Set terminal flags. */
1119: if (strncmp(tmp, "ITERM2 ", 7) == 0)
1120: flags |= TERM_DECSLRM;
1121: log_debug("%s: received DSR %.*s", c->name, (int)*size, buf);
1.120 ! nicm 1122:
1.118 nicm 1123: tty_set_flags(tty, flags);
1.120 ! nicm 1124: tty->flags |= TTY_HAVEDSR;
! 1125:
1.22 nicm 1126: return (0);
1.1 nicm 1127: }
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