Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.112
1.112 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.111 2019/05/03 14:51:31 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 *);
1.1 nicm 55:
1.48 nicm 56: /* Default raw keys. */
57: struct tty_default_key_raw {
1.1 nicm 58: const char *string;
1.76 nicm 59: key_code key;
1.1 nicm 60: };
1.90 nicm 61: static const struct tty_default_key_raw tty_default_raw_keys[] = {
1.1 nicm 62: /*
1.8 nicm 63: * Numeric keypad. Just use the vt100 escape sequences here and always
64: * put the terminal into keypad_xmit mode. Translation of numbers
65: * mode/applications mode is done in input-keys.c.
1.1 nicm 66: */
1.48 nicm 67: { "\033Oo", KEYC_KP_SLASH },
68: { "\033Oj", KEYC_KP_STAR },
69: { "\033Om", KEYC_KP_MINUS },
70: { "\033Ow", KEYC_KP_SEVEN },
71: { "\033Ox", KEYC_KP_EIGHT },
72: { "\033Oy", KEYC_KP_NINE },
73: { "\033Ok", KEYC_KP_PLUS },
74: { "\033Ot", KEYC_KP_FOUR },
75: { "\033Ou", KEYC_KP_FIVE },
76: { "\033Ov", KEYC_KP_SIX },
77: { "\033Oq", KEYC_KP_ONE },
78: { "\033Or", KEYC_KP_TWO },
79: { "\033Os", KEYC_KP_THREE },
80: { "\033OM", KEYC_KP_ENTER },
81: { "\033Op", KEYC_KP_ZERO },
82: { "\033On", KEYC_KP_PERIOD },
1.10 nicm 83:
1.29 nicm 84: /* Arrow keys. */
1.48 nicm 85: { "\033OA", KEYC_UP },
86: { "\033OB", KEYC_DOWN },
87: { "\033OC", KEYC_RIGHT },
88: { "\033OD", KEYC_LEFT },
89:
90: { "\033[A", KEYC_UP },
91: { "\033[B", KEYC_DOWN },
92: { "\033[C", KEYC_RIGHT },
93: { "\033[D", KEYC_LEFT },
1.57 nicm 94:
95: /* Other (xterm) "cursor" keys. */
96: { "\033OH", KEYC_HOME },
97: { "\033OF", KEYC_END },
98:
99: { "\033[H", KEYC_HOME },
100: { "\033[F", KEYC_END },
1.21 nicm 101:
102: /* rxvt-style arrow + modifier keys. */
1.48 nicm 103: { "\033Oa", KEYC_UP|KEYC_CTRL },
104: { "\033Ob", KEYC_DOWN|KEYC_CTRL },
105: { "\033Oc", KEYC_RIGHT|KEYC_CTRL },
106: { "\033Od", KEYC_LEFT|KEYC_CTRL },
107:
108: { "\033[a", KEYC_UP|KEYC_SHIFT },
109: { "\033[b", KEYC_DOWN|KEYC_SHIFT },
110: { "\033[c", KEYC_RIGHT|KEYC_SHIFT },
111: { "\033[d", KEYC_LEFT|KEYC_SHIFT },
112:
113: /* rxvt-style function + modifier keys (C = ^, S = $, C-S = @). */
114: { "\033[11^", KEYC_F1|KEYC_CTRL },
115: { "\033[12^", KEYC_F2|KEYC_CTRL },
116: { "\033[13^", KEYC_F3|KEYC_CTRL },
117: { "\033[14^", KEYC_F4|KEYC_CTRL },
118: { "\033[15^", KEYC_F5|KEYC_CTRL },
119: { "\033[17^", KEYC_F6|KEYC_CTRL },
120: { "\033[18^", KEYC_F7|KEYC_CTRL },
121: { "\033[19^", KEYC_F8|KEYC_CTRL },
122: { "\033[20^", KEYC_F9|KEYC_CTRL },
123: { "\033[21^", KEYC_F10|KEYC_CTRL },
124: { "\033[23^", KEYC_F11|KEYC_CTRL },
125: { "\033[24^", KEYC_F12|KEYC_CTRL },
126: { "\033[2^", KEYC_IC|KEYC_CTRL },
127: { "\033[3^", KEYC_DC|KEYC_CTRL },
128: { "\033[7^", KEYC_HOME|KEYC_CTRL },
129: { "\033[8^", KEYC_END|KEYC_CTRL },
130: { "\033[6^", KEYC_NPAGE|KEYC_CTRL },
131: { "\033[5^", KEYC_PPAGE|KEYC_CTRL },
132:
133: { "\033[11$", KEYC_F1|KEYC_SHIFT },
134: { "\033[12$", KEYC_F2|KEYC_SHIFT },
135: { "\033[13$", KEYC_F3|KEYC_SHIFT },
136: { "\033[14$", KEYC_F4|KEYC_SHIFT },
137: { "\033[15$", KEYC_F5|KEYC_SHIFT },
138: { "\033[17$", KEYC_F6|KEYC_SHIFT },
139: { "\033[18$", KEYC_F7|KEYC_SHIFT },
140: { "\033[19$", KEYC_F8|KEYC_SHIFT },
141: { "\033[20$", KEYC_F9|KEYC_SHIFT },
142: { "\033[21$", KEYC_F10|KEYC_SHIFT },
143: { "\033[23$", KEYC_F11|KEYC_SHIFT },
144: { "\033[24$", KEYC_F12|KEYC_SHIFT },
145: { "\033[2$", KEYC_IC|KEYC_SHIFT },
146: { "\033[3$", KEYC_DC|KEYC_SHIFT },
147: { "\033[7$", KEYC_HOME|KEYC_SHIFT },
148: { "\033[8$", KEYC_END|KEYC_SHIFT },
149: { "\033[6$", KEYC_NPAGE|KEYC_SHIFT },
150: { "\033[5$", KEYC_PPAGE|KEYC_SHIFT },
151:
152: { "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT },
153: { "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT },
154: { "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT },
155: { "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT },
156: { "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT },
157: { "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT },
158: { "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT },
159: { "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT },
160: { "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT },
161: { "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT },
162: { "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT },
163: { "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT },
164: { "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT },
165: { "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT },
166: { "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT },
167: { "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT },
168: { "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT },
169: { "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT },
1.56 nicm 170:
171: /* Focus tracking. */
172: { "\033[I", KEYC_FOCUS_IN },
173: { "\033[O", KEYC_FOCUS_OUT },
1.98 nicm 174:
175: /* Paste keys. */
176: { "\033[200~", KEYC_PASTE_START },
177: { "\033[201~", KEYC_PASTE_END },
1.48 nicm 178: };
1.29 nicm 179:
1.103 nicm 180: /*
181: * Default terminfo(5) keys. Any keys that have builtin modifiers
182: * (that is, where the key itself contains the modifiers) has the
183: * KEYC_XTERM flag set so a leading escape is not treated as meta (and
184: * probably removed).
185: */
1.48 nicm 186: struct tty_default_key_code {
187: enum tty_code_code code;
1.76 nicm 188: key_code key;
1.48 nicm 189: };
1.90 nicm 190: static const struct tty_default_key_code tty_default_code_keys[] = {
1.29 nicm 191: /* Function keys. */
1.48 nicm 192: { TTYC_KF1, KEYC_F1 },
193: { TTYC_KF2, KEYC_F2 },
194: { TTYC_KF3, KEYC_F3 },
195: { TTYC_KF4, KEYC_F4 },
196: { TTYC_KF5, KEYC_F5 },
197: { TTYC_KF6, KEYC_F6 },
198: { TTYC_KF7, KEYC_F7 },
199: { TTYC_KF8, KEYC_F8 },
200: { TTYC_KF9, KEYC_F9 },
201: { TTYC_KF10, KEYC_F10 },
202: { TTYC_KF11, KEYC_F11 },
203: { TTYC_KF12, KEYC_F12 },
1.70 nicm 204:
1.103 nicm 205: { TTYC_KF13, KEYC_F1|KEYC_SHIFT|KEYC_XTERM },
206: { TTYC_KF14, KEYC_F2|KEYC_SHIFT|KEYC_XTERM },
207: { TTYC_KF15, KEYC_F3|KEYC_SHIFT|KEYC_XTERM },
208: { TTYC_KF16, KEYC_F4|KEYC_SHIFT|KEYC_XTERM },
209: { TTYC_KF17, KEYC_F5|KEYC_SHIFT|KEYC_XTERM },
210: { TTYC_KF18, KEYC_F6|KEYC_SHIFT|KEYC_XTERM },
211: { TTYC_KF19, KEYC_F7|KEYC_SHIFT|KEYC_XTERM },
212: { TTYC_KF20, KEYC_F8|KEYC_SHIFT|KEYC_XTERM },
213: { TTYC_KF21, KEYC_F9|KEYC_SHIFT|KEYC_XTERM },
214: { TTYC_KF22, KEYC_F10|KEYC_SHIFT|KEYC_XTERM },
215: { TTYC_KF23, KEYC_F11|KEYC_SHIFT|KEYC_XTERM },
216: { TTYC_KF24, KEYC_F12|KEYC_SHIFT|KEYC_XTERM },
217:
218: { TTYC_KF25, KEYC_F1|KEYC_CTRL|KEYC_XTERM },
219: { TTYC_KF26, KEYC_F2|KEYC_CTRL|KEYC_XTERM },
220: { TTYC_KF27, KEYC_F3|KEYC_CTRL|KEYC_XTERM },
221: { TTYC_KF28, KEYC_F4|KEYC_CTRL|KEYC_XTERM },
222: { TTYC_KF29, KEYC_F5|KEYC_CTRL|KEYC_XTERM },
223: { TTYC_KF30, KEYC_F6|KEYC_CTRL|KEYC_XTERM },
224: { TTYC_KF31, KEYC_F7|KEYC_CTRL|KEYC_XTERM },
225: { TTYC_KF32, KEYC_F8|KEYC_CTRL|KEYC_XTERM },
226: { TTYC_KF33, KEYC_F9|KEYC_CTRL|KEYC_XTERM },
227: { TTYC_KF34, KEYC_F10|KEYC_CTRL|KEYC_XTERM },
228: { TTYC_KF35, KEYC_F11|KEYC_CTRL|KEYC_XTERM },
229: { TTYC_KF36, KEYC_F12|KEYC_CTRL|KEYC_XTERM },
230:
231: { TTYC_KF37, KEYC_F1|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
232: { TTYC_KF38, KEYC_F2|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
233: { TTYC_KF39, KEYC_F3|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
234: { TTYC_KF40, KEYC_F4|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
235: { TTYC_KF41, KEYC_F5|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
236: { TTYC_KF42, KEYC_F6|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
237: { TTYC_KF43, KEYC_F7|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
238: { TTYC_KF44, KEYC_F8|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
239: { TTYC_KF45, KEYC_F9|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
240: { TTYC_KF46, KEYC_F10|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
241: { TTYC_KF47, KEYC_F11|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
242: { TTYC_KF48, KEYC_F12|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
243:
244: { TTYC_KF49, KEYC_F1|KEYC_ESCAPE|KEYC_XTERM },
245: { TTYC_KF50, KEYC_F2|KEYC_ESCAPE|KEYC_XTERM },
246: { TTYC_KF51, KEYC_F3|KEYC_ESCAPE|KEYC_XTERM },
247: { TTYC_KF52, KEYC_F4|KEYC_ESCAPE|KEYC_XTERM },
248: { TTYC_KF53, KEYC_F5|KEYC_ESCAPE|KEYC_XTERM },
249: { TTYC_KF54, KEYC_F6|KEYC_ESCAPE|KEYC_XTERM },
250: { TTYC_KF55, KEYC_F7|KEYC_ESCAPE|KEYC_XTERM },
251: { TTYC_KF56, KEYC_F8|KEYC_ESCAPE|KEYC_XTERM },
252: { TTYC_KF57, KEYC_F9|KEYC_ESCAPE|KEYC_XTERM },
253: { TTYC_KF58, KEYC_F10|KEYC_ESCAPE|KEYC_XTERM },
254: { TTYC_KF59, KEYC_F11|KEYC_ESCAPE|KEYC_XTERM },
255: { TTYC_KF60, KEYC_F12|KEYC_ESCAPE|KEYC_XTERM },
256:
257: { TTYC_KF61, KEYC_F1|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
258: { TTYC_KF62, KEYC_F2|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
259: { TTYC_KF63, KEYC_F3|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
1.70 nicm 260:
1.48 nicm 261: { TTYC_KICH1, KEYC_IC },
262: { TTYC_KDCH1, KEYC_DC },
263: { TTYC_KHOME, KEYC_HOME },
264: { TTYC_KEND, KEYC_END },
265: { TTYC_KNP, KEYC_NPAGE },
266: { TTYC_KPP, KEYC_PPAGE },
267: { TTYC_KCBT, KEYC_BTAB },
1.29 nicm 268:
269: /* Arrow keys from terminfo. */
1.48 nicm 270: { TTYC_KCUU1, KEYC_UP },
271: { TTYC_KCUD1, KEYC_DOWN },
272: { TTYC_KCUB1, KEYC_LEFT },
273: { TTYC_KCUF1, KEYC_RIGHT },
1.29 nicm 274:
1.103 nicm 275: /* Key and modifier capabilities. */
1.97 nicm 276: { TTYC_KDC2, KEYC_DC|KEYC_SHIFT|KEYC_XTERM },
277: { TTYC_KDC3, KEYC_DC|KEYC_ESCAPE|KEYC_XTERM },
278: { TTYC_KDC4, KEYC_DC|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
279: { TTYC_KDC5, KEYC_DC|KEYC_CTRL|KEYC_XTERM },
280: { TTYC_KDC6, KEYC_DC|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
281: { TTYC_KDC7, KEYC_DC|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.102 nicm 282: { TTYC_KIND, KEYC_DOWN|KEYC_SHIFT|KEYC_XTERM },
1.97 nicm 283: { TTYC_KDN2, KEYC_DOWN|KEYC_SHIFT|KEYC_XTERM },
284: { TTYC_KDN3, KEYC_DOWN|KEYC_ESCAPE|KEYC_XTERM },
285: { TTYC_KDN4, KEYC_DOWN|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
286: { TTYC_KDN5, KEYC_DOWN|KEYC_CTRL|KEYC_XTERM },
287: { TTYC_KDN6, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
288: { TTYC_KDN7, KEYC_DOWN|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
289: { TTYC_KEND2, KEYC_END|KEYC_SHIFT|KEYC_XTERM },
290: { TTYC_KEND3, KEYC_END|KEYC_ESCAPE|KEYC_XTERM },
291: { TTYC_KEND4, KEYC_END|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
292: { TTYC_KEND5, KEYC_END|KEYC_CTRL|KEYC_XTERM },
293: { TTYC_KEND6, KEYC_END|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
294: { TTYC_KEND7, KEYC_END|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
295: { TTYC_KHOM2, KEYC_HOME|KEYC_SHIFT|KEYC_XTERM },
296: { TTYC_KHOM3, KEYC_HOME|KEYC_ESCAPE|KEYC_XTERM },
297: { TTYC_KHOM4, KEYC_HOME|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
298: { TTYC_KHOM5, KEYC_HOME|KEYC_CTRL|KEYC_XTERM },
299: { TTYC_KHOM6, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
300: { TTYC_KHOM7, KEYC_HOME|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
301: { TTYC_KIC2, KEYC_IC|KEYC_SHIFT|KEYC_XTERM },
302: { TTYC_KIC3, KEYC_IC|KEYC_ESCAPE|KEYC_XTERM },
303: { TTYC_KIC4, KEYC_IC|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
304: { TTYC_KIC5, KEYC_IC|KEYC_CTRL|KEYC_XTERM },
305: { TTYC_KIC6, KEYC_IC|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
306: { TTYC_KIC7, KEYC_IC|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
307: { TTYC_KLFT2, KEYC_LEFT|KEYC_SHIFT|KEYC_XTERM },
308: { TTYC_KLFT3, KEYC_LEFT|KEYC_ESCAPE|KEYC_XTERM },
309: { TTYC_KLFT4, KEYC_LEFT|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
310: { TTYC_KLFT5, KEYC_LEFT|KEYC_CTRL|KEYC_XTERM },
311: { TTYC_KLFT6, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
312: { TTYC_KLFT7, KEYC_LEFT|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
313: { TTYC_KNXT2, KEYC_NPAGE|KEYC_SHIFT|KEYC_XTERM },
314: { TTYC_KNXT3, KEYC_NPAGE|KEYC_ESCAPE|KEYC_XTERM },
315: { TTYC_KNXT4, KEYC_NPAGE|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
316: { TTYC_KNXT5, KEYC_NPAGE|KEYC_CTRL|KEYC_XTERM },
317: { TTYC_KNXT6, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
318: { TTYC_KNXT7, KEYC_NPAGE|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
319: { TTYC_KPRV2, KEYC_PPAGE|KEYC_SHIFT|KEYC_XTERM },
320: { TTYC_KPRV3, KEYC_PPAGE|KEYC_ESCAPE|KEYC_XTERM },
321: { TTYC_KPRV4, KEYC_PPAGE|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
322: { TTYC_KPRV5, KEYC_PPAGE|KEYC_CTRL|KEYC_XTERM },
323: { TTYC_KPRV6, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
324: { TTYC_KPRV7, KEYC_PPAGE|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
325: { TTYC_KRIT2, KEYC_RIGHT|KEYC_SHIFT|KEYC_XTERM },
326: { TTYC_KRIT3, KEYC_RIGHT|KEYC_ESCAPE|KEYC_XTERM },
327: { TTYC_KRIT4, KEYC_RIGHT|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
328: { TTYC_KRIT5, KEYC_RIGHT|KEYC_CTRL|KEYC_XTERM },
329: { TTYC_KRIT6, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
330: { TTYC_KRIT7, KEYC_RIGHT|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.100 nicm 331: { TTYC_KRI, KEYC_UP|KEYC_SHIFT|KEYC_XTERM },
1.97 nicm 332: { TTYC_KUP2, KEYC_UP|KEYC_SHIFT|KEYC_XTERM },
333: { TTYC_KUP3, KEYC_UP|KEYC_ESCAPE|KEYC_XTERM },
334: { TTYC_KUP4, KEYC_UP|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
335: { TTYC_KUP5, KEYC_UP|KEYC_CTRL|KEYC_XTERM },
336: { TTYC_KUP6, KEYC_UP|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
337: { TTYC_KUP7, KEYC_UP|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.1 nicm 338: };
339:
1.48 nicm 340: /* Add key to tree. */
1.86 nicm 341: static void
1.76 nicm 342: tty_keys_add(struct tty *tty, const char *s, key_code key)
1.16 nicm 343: {
1.29 nicm 344: struct tty_key *tk;
345: size_t size;
346: const char *keystr;
1.1 nicm 347:
1.29 nicm 348: keystr = key_string_lookup_key(key);
349: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
1.76 nicm 350: log_debug("new key %s: 0x%llx (%s)", s, key, keystr);
1.16 nicm 351: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 352: } else {
1.76 nicm 353: log_debug("replacing key %s: 0x%llx (%s)", s, key, keystr);
1.29 nicm 354: tk->key = key;
1.16 nicm 355: }
1.1 nicm 356: }
357:
1.16 nicm 358: /* Add next node to the tree. */
1.86 nicm 359: static void
1.76 nicm 360: tty_keys_add1(struct tty_key **tkp, const char *s, key_code key)
1.1 nicm 361: {
1.16 nicm 362: struct tty_key *tk;
1.1 nicm 363:
1.16 nicm 364: /* Allocate a tree entry if there isn't one already. */
365: tk = *tkp;
366: if (tk == NULL) {
367: tk = *tkp = xcalloc(1, sizeof *tk);
368: tk->ch = *s;
1.83 nicm 369: tk->key = KEYC_UNKNOWN;
1.16 nicm 370: }
371:
372: /* Find the next entry. */
373: if (*s == tk->ch) {
374: /* Move forward in string. */
375: s++;
376:
377: /* If this is the end of the string, no more is necessary. */
378: if (*s == '\0') {
379: tk->key = key;
380: return;
381: }
382:
383: /* Use the child tree for the next character. */
384: tkp = &tk->next;
1.27 nicm 385: } else {
1.16 nicm 386: if (*s < tk->ch)
387: tkp = &tk->left;
388: else if (*s > tk->ch)
389: tkp = &tk->right;
390: }
391:
392: /* And recurse to add it. */
393: tty_keys_add1(tkp, s, key);
1.1 nicm 394: }
395:
1.16 nicm 396: /* Initialise a key tree from the table. */
1.1 nicm 397: void
1.48 nicm 398: tty_keys_build(struct tty *tty)
1.1 nicm 399: {
1.48 nicm 400: const struct tty_default_key_raw *tdkr;
401: const struct tty_default_key_code *tdkc;
1.107 nicm 402: u_int i;
1.109 nicm 403: const char *s;
1.99 nicm 404: struct options_entry *o;
1.107 nicm 405: struct options_array_item *a;
1.109 nicm 406: union options_value *ov;
1.1 nicm 407:
1.48 nicm 408: if (tty->key_tree != NULL)
1.71 nicm 409: tty_keys_free(tty);
1.16 nicm 410: tty->key_tree = NULL;
1.1 nicm 411:
1.48 nicm 412: for (i = 0; i < nitems(tty_default_raw_keys); i++) {
413: tdkr = &tty_default_raw_keys[i];
414:
415: s = tdkr->string;
1.51 nicm 416: if (*s != '\0')
417: tty_keys_add(tty, s, tdkr->key);
1.48 nicm 418: }
419: for (i = 0; i < nitems(tty_default_code_keys); i++) {
420: tdkc = &tty_default_code_keys[i];
421:
422: s = tty_term_string(tty->term, tdkc->code);
1.51 nicm 423: if (*s != '\0')
424: tty_keys_add(tty, s, tdkc->key);
1.1 nicm 425:
1.99 nicm 426: }
427:
428: o = options_get(global_options, "user-keys");
1.107 nicm 429: if (o != NULL) {
430: a = options_array_first(o);
431: while (a != NULL) {
1.112 ! nicm 432: i = options_array_item_index(a);
1.109 nicm 433: ov = options_array_item_value(a);
1.110 nicm 434: tty_keys_add(tty, ov->string, KEYC_USER + i);
1.107 nicm 435: a = options_array_next(a);
1.99 nicm 436: }
1.1 nicm 437: }
438: }
439:
1.16 nicm 440: /* Free the entire key tree. */
1.1 nicm 441: void
442: tty_keys_free(struct tty *tty)
443: {
1.16 nicm 444: tty_keys_free1(tty->key_tree);
445: }
1.1 nicm 446:
1.16 nicm 447: /* Free a single key. */
1.86 nicm 448: static void
1.16 nicm 449: tty_keys_free1(struct tty_key *tk)
450: {
451: if (tk->next != NULL)
452: tty_keys_free1(tk->next);
453: if (tk->left != NULL)
454: tty_keys_free1(tk->left);
455: if (tk->right != NULL)
456: tty_keys_free1(tk->right);
1.42 nicm 457: free(tk);
1.1 nicm 458: }
459:
1.16 nicm 460: /* Lookup a key in the tree. */
1.86 nicm 461: static struct tty_key *
1.16 nicm 462: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 463: {
1.16 nicm 464: *size = 0;
465: return (tty_keys_find1(tty->key_tree, buf, len, size));
466: }
1.1 nicm 467:
1.16 nicm 468: /* Find the next node. */
1.86 nicm 469: static struct tty_key *
1.16 nicm 470: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
471: {
1.106 nicm 472: /* If no data, no match. */
473: if (len == 0)
474: return (NULL);
475:
1.16 nicm 476: /* If the node is NULL, this is the end of the tree. No match. */
477: if (tk == NULL)
1.1 nicm 478: return (NULL);
479:
1.16 nicm 480: /* Pick the next in the sequence. */
481: if (tk->ch == *buf) {
482: /* Move forward in the string. */
483: buf++; len--;
484: (*size)++;
1.1 nicm 485:
1.16 nicm 486: /* At the end of the string, return the current node. */
1.83 nicm 487: if (len == 0 || (tk->next == NULL && tk->key != KEYC_UNKNOWN))
1.16 nicm 488: return (tk);
1.1 nicm 489:
1.16 nicm 490: /* Move into the next tree for the following character. */
491: tk = tk->next;
492: } else {
493: if (*buf < tk->ch)
494: tk = tk->left;
495: else if (*buf > tk->ch)
496: tk = tk->right;
1.1 nicm 497: }
498:
1.16 nicm 499: /* Move to the next in the tree. */
500: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 501: }
502:
1.86 nicm 503: /* Look up part of the next key. */
504: static int
505: tty_keys_next1(struct tty *tty, const char *buf, size_t len, key_code *key,
1.87 nicm 506: size_t *size, int expired)
1.86 nicm 507: {
1.94 nicm 508: struct client *c = tty->client;
1.86 nicm 509: struct tty_key *tk, *tk1;
510: struct utf8_data ud;
511: enum utf8_state more;
512: u_int i;
513: wchar_t wc;
1.97 nicm 514: int n;
1.86 nicm 515:
1.94 nicm 516: log_debug("%s: next key is %zu (%.*s) (expired=%d)", c->name, len,
517: (int)len, buf, expired);
1.86 nicm 518:
519: /* Is this a known key? */
520: tk = tty_keys_find(tty, buf, len, size);
1.87 nicm 521: if (tk != NULL && tk->key != KEYC_UNKNOWN) {
1.86 nicm 522: tk1 = tk;
523: do
1.94 nicm 524: log_debug("%s: keys in list: %#llx", c->name, tk1->key);
1.86 nicm 525: while ((tk1 = tk1->next) != NULL);
1.87 nicm 526: if (tk->next != NULL && !expired)
527: return (1);
1.86 nicm 528: *key = tk->key;
1.87 nicm 529: return (0);
1.86 nicm 530: }
531:
1.97 nicm 532: /* Is this an an xterm(1) key? */
533: n = xterm_keys_find(buf, len, size, key);
534: if (n == 0)
535: return (0);
536: if (n == 1 && !expired)
537: return (1);
538:
1.86 nicm 539: /* Is this valid UTF-8? */
540: more = utf8_open(&ud, (u_char)*buf);
541: if (more == UTF8_MORE) {
542: *size = ud.size;
1.87 nicm 543: if (len < ud.size) {
544: if (!expired)
545: return (1);
546: return (-1);
547: }
1.86 nicm 548: for (i = 1; i < ud.size; i++)
549: more = utf8_append(&ud, (u_char)buf[i]);
550: if (more != UTF8_DONE)
1.87 nicm 551: return (-1);
1.86 nicm 552:
553: if (utf8_combine(&ud, &wc) != UTF8_DONE)
1.87 nicm 554: return (-1);
1.86 nicm 555: *key = wc;
556:
1.94 nicm 557: log_debug("%s: UTF-8 key %.*s %#llx", c->name, (int)ud.size,
558: buf, *key);
1.86 nicm 559: return (0);
560: }
561:
562: return (-1);
563: }
564:
1.111 nicm 565: /* Process at least one key in the buffer. Return 0 if no keys present. */
566: int
1.14 nicm 567: tty_keys_next(struct tty *tty)
1.1 nicm 568: {
1.111 nicm 569: struct client *c = tty->client;
570: struct timeval tv;
571: const char *buf;
572: size_t len, size;
573: cc_t bspace;
574: int delay, expired = 0, n;
575: key_code key;
576: struct cmdq_item *item;
577: struct mouse_event m = { 0 };
578: struct key_event *event;
579:
580: gettimeofday(&tv, NULL);
1.1 nicm 581:
1.51 nicm 582: /* Get key buffer. */
1.93 nicm 583: buf = EVBUFFER_DATA(tty->in);
584: len = EVBUFFER_LENGTH(tty->in);
1.1 nicm 585: if (len == 0)
1.14 nicm 586: return (0);
1.94 nicm 587: log_debug("%s: keys are %zu (%.*s)", c->name, len, (int)len, buf);
1.1 nicm 588:
1.104 nicm 589: /* Is this a clipboard response? */
590: switch (tty_keys_clipboard(tty, buf, len, &size)) {
591: case 0: /* yes */
592: key = KEYC_UNKNOWN;
593: goto complete_key;
594: case -1: /* no, or not valid */
595: break;
596: case 1: /* partial */
597: goto partial_key;
598: }
599:
1.91 nicm 600: /* Is this a device attributes response? */
601: switch (tty_keys_device_attributes(tty, buf, len, &size)) {
602: case 0: /* yes */
603: key = KEYC_UNKNOWN;
604: goto complete_key;
605: case -1: /* no, or not valid */
606: break;
607: case 1: /* partial */
608: goto partial_key;
609: }
610:
1.26 nicm 611: /* Is this a mouse key press? */
1.111 nicm 612: switch (tty_keys_mouse(tty, buf, len, &size, &m)) {
1.22 nicm 613: case 0: /* yes */
614: key = KEYC_MOUSE;
1.51 nicm 615: goto complete_key;
1.22 nicm 616: case -1: /* no, or not valid */
1.24 nicm 617: break;
1.67 nicm 618: case -2: /* yes, but we don't care. */
1.73 nicm 619: key = KEYC_MOUSE;
1.67 nicm 620: goto discard_key;
1.22 nicm 621: case 1: /* partial */
622: goto partial_key;
1.11 nicm 623: }
624:
1.86 nicm 625: first_key:
1.101 nicm 626: /* Try to lookup complete key. */
627: n = tty_keys_next1(tty, buf, len, &key, &size, expired);
628: if (n == 0) /* found */
629: goto complete_key;
630: if (n == 1)
631: goto partial_key;
632:
633: /*
634: * If not a complete key, look for key with an escape prefix (meta
635: * modifier).
636: */
1.105 nicm 637: if (*buf == '\033' && len > 1) {
1.87 nicm 638: /* Look for a key without the escape. */
639: n = tty_keys_next1(tty, buf + 1, len - 1, &key, &size, expired);
640: if (n == 0) { /* found */
1.97 nicm 641: if (key & KEYC_XTERM) {
642: /*
643: * We want the escape key as well as the xterm
644: * key, because the xterm sequence implicitly
645: * includes the escape (so if we see
646: * \033\033[1;3D we know it is an Escape
647: * followed by M-Left, not just M-Left).
648: */
649: key = '\033';
650: size = 1;
651: goto complete_key;
652: }
1.87 nicm 653: key |= KEYC_ESCAPE;
654: size++;
655: goto complete_key;
656: }
657: if (n == 1) /* partial */
1.62 nicm 658: goto partial_key;
1.89 nicm 659: }
1.1 nicm 660:
1.89 nicm 661: /*
662: * At this point, we know the key is not partial (with or without
663: * escape). So pass it through even if the timer has not expired.
664: */
665: if (*buf == '\033' && len >= 2) {
666: key = (u_char)buf[1] | KEYC_ESCAPE;
667: size = 2;
668: } else {
669: key = (u_char)buf[0];
670: size = 1;
1.76 nicm 671: }
1.51 nicm 672: goto complete_key;
673:
674: partial_key:
1.94 nicm 675: log_debug("%s: partial key %.*s", c->name, (int)len, buf);
1.14 nicm 676:
1.51 nicm 677: /* If timer is going, check for expiration. */
678: if (tty->flags & TTY_TIMER) {
679: if (evtimer_initialized(&tty->key_timer) &&
1.59 nicm 680: !evtimer_pending(&tty->key_timer, NULL)) {
681: expired = 1;
1.51 nicm 682: goto first_key;
1.59 nicm 683: }
1.39 nicm 684: return (0);
1.51 nicm 685: }
1.39 nicm 686:
1.51 nicm 687: /* Get the time period. */
1.75 nicm 688: delay = options_get_number(global_options, "escape-time");
1.28 nicm 689: tv.tv_sec = delay / 1000;
690: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 691:
1.51 nicm 692: /* Start the timer. */
1.36 nicm 693: if (event_initialized(&tty->key_timer))
694: evtimer_del(&tty->key_timer);
1.14 nicm 695: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
696: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 697:
1.51 nicm 698: tty->flags |= TTY_TIMER;
1.14 nicm 699: return (0);
1.1 nicm 700:
1.51 nicm 701: complete_key:
1.94 nicm 702: log_debug("%s: complete key %.*s %#llx", c->name, (int)size, buf, key);
1.88 nicm 703:
704: /*
705: * Check for backspace key using termios VERASE - the terminfo
706: * kbs entry is extremely unreliable, so cannot be safely
707: * used. termios should have a better idea.
708: */
709: bspace = tty->tio.c_cc[VERASE];
710: if (bspace != _POSIX_VDISABLE && (key & KEYC_MASK_KEY) == bspace)
711: key = (key & KEYC_MASK_MOD) | KEYC_BSPACE;
1.16 nicm 712:
1.51 nicm 713: /* Remove data from buffer. */
1.93 nicm 714: evbuffer_drain(tty->in, size);
1.16 nicm 715:
1.51 nicm 716: /* Remove key timer. */
1.36 nicm 717: if (event_initialized(&tty->key_timer))
718: evtimer_del(&tty->key_timer);
1.51 nicm 719: tty->flags &= ~TTY_TIMER;
1.56 nicm 720:
721: /* Check for focus events. */
722: if (key == KEYC_FOCUS_OUT) {
723: tty->client->flags &= ~CLIENT_FOCUSED;
724: return (1);
725: } else if (key == KEYC_FOCUS_IN) {
726: tty->client->flags |= CLIENT_FOCUSED;
727: return (1);
728: }
1.16 nicm 729:
1.51 nicm 730: /* Fire the key. */
1.111 nicm 731: if (key != KEYC_UNKNOWN) {
732: event = xmalloc(sizeof *event);
733: event->key = key;
734: memcpy(&event->m, &m, sizeof event->m);
735:
736: item = cmdq_get_callback(server_client_key_callback, event);
737: cmdq_append(c, item);
738: }
1.16 nicm 739:
1.14 nicm 740: return (1);
1.67 nicm 741:
742: discard_key:
1.94 nicm 743: log_debug("%s: discard key %.*s %#llx", c->name, (int)size, buf, key);
1.67 nicm 744:
745: /* Remove data from buffer. */
1.93 nicm 746: evbuffer_drain(tty->in, size);
1.67 nicm 747:
748: return (1);
1.14 nicm 749: }
750:
1.16 nicm 751: /* Key timer callback. */
1.86 nicm 752: static void
1.81 nicm 753: tty_keys_callback(__unused int fd, __unused short events, void *data)
1.14 nicm 754: {
755: struct tty *tty = data;
756:
1.51 nicm 757: if (tty->flags & TTY_TIMER) {
758: while (tty_keys_next(tty))
759: ;
760: }
1.1 nicm 761: }
762:
1.27 nicm 763: /*
1.22 nicm 764: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
765: * (probably a mouse sequence but need more data).
766: */
1.86 nicm 767: static int
1.111 nicm 768: tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
769: struct mouse_event *m)
1.1 nicm 770: {
1.111 nicm 771: struct client *c = tty->client;
772: u_int i, x, y, b, sgr_b;
773: u_char sgr_type, ch;
1.33 nicm 774:
1.1 nicm 775: /*
1.33 nicm 776: * Standard mouse sequences are \033[M followed by three characters
1.55 nicm 777: * indicating button, X and Y, all based at 32 with 1,1 top-left.
1.33 nicm 778: *
779: * UTF-8 mouse sequences are similar but the three are expressed as
780: * UTF-8 characters.
1.55 nicm 781: *
782: * SGR extended mouse sequences are \033[< followed by three numbers in
783: * decimal and separated by semicolons indicating button, X and Y. A
784: * trailing 'M' is click or scroll and trailing 'm' release. All are
785: * based at 0 with 1,1 top-left.
1.1 nicm 786: */
787:
1.22 nicm 788: *size = 0;
1.72 nicm 789: x = y = b = sgr_b = 0;
790: sgr_type = ' ';
1.22 nicm 791:
1.55 nicm 792: /* First two bytes are always \033[. */
1.22 nicm 793: if (buf[0] != '\033')
794: return (-1);
795: if (len == 1)
796: return (1);
797: if (buf[1] != '[')
798: return (-1);
799: if (len == 2)
800: return (1);
801:
1.55 nicm 802: /*
1.82 nicm 803: * Third byte is M in old standard (and UTF-8 extension which we do not
804: * support), < in SGR extension.
1.55 nicm 805: */
806: if (buf[2] == 'M') {
807: /* Read the three inputs. */
808: *size = 3;
809: for (i = 0; i < 3; i++) {
810: if (len <= *size)
811: return (1);
1.94 nicm 812: ch = (u_char)buf[(*size)++];
1.55 nicm 813: if (i == 0)
1.94 nicm 814: b = ch;
1.55 nicm 815: else if (i == 1)
1.94 nicm 816: x = ch;
1.55 nicm 817: else
1.94 nicm 818: y = ch;
1.33 nicm 819: }
1.94 nicm 820: log_debug("%s: mouse input: %.*s", c->name, (int)*size, buf);
1.16 nicm 821:
1.55 nicm 822: /* Check and return the mouse input. */
1.60 nicm 823: if (b < 32)
1.55 nicm 824: return (-1);
825: b -= 32;
1.60 nicm 826: if (x >= 33)
827: x -= 33;
828: else
829: x = 256 - x;
830: if (y >= 33)
831: y -= 33;
832: else
833: y = 256 - y;
1.55 nicm 834: } else if (buf[2] == '<') {
835: /* Read the three inputs. */
836: *size = 3;
837: while (1) {
838: if (len <= *size)
839: return (1);
1.94 nicm 840: ch = (u_char)buf[(*size)++];
841: if (ch == ';')
1.55 nicm 842: break;
1.94 nicm 843: if (ch < '0' || ch > '9')
1.55 nicm 844: return (-1);
1.94 nicm 845: sgr_b = 10 * sgr_b + (ch - '0');
1.55 nicm 846: }
847: while (1) {
848: if (len <= *size)
849: return (1);
1.94 nicm 850: ch = (u_char)buf[(*size)++];
851: if (ch == ';')
1.55 nicm 852: break;
1.94 nicm 853: if (ch < '0' || ch > '9')
1.55 nicm 854: return (-1);
1.94 nicm 855: x = 10 * x + (ch - '0');
1.55 nicm 856: }
857: while (1) {
858: if (len <= *size)
859: return (1);
1.94 nicm 860: ch = (u_char)buf[(*size)++];
861: if (ch == 'M' || ch == 'm')
1.55 nicm 862: break;
1.94 nicm 863: if (ch < '0' || ch > '9')
1.55 nicm 864: return (-1);
1.94 nicm 865: y = 10 * y + (ch - '0');
1.55 nicm 866: }
1.94 nicm 867: log_debug("%s: mouse input (SGR): %.*s", c->name, (int)*size,
868: buf);
1.1 nicm 869:
1.55 nicm 870: /* Check and return the mouse input. */
871: if (x < 1 || y < 1)
872: return (-1);
873: x--;
874: y--;
1.72 nicm 875: b = sgr_b;
876:
877: /* Type is M for press, m for release. */
1.94 nicm 878: sgr_type = ch;
1.72 nicm 879: if (sgr_type == 'm')
880: b |= 3;
1.67 nicm 881:
882: /*
883: * Some terminals (like PuTTY 0.63) mistakenly send
884: * button-release events for scroll-wheel button-press event.
885: * Discard it before it reaches any program running inside
886: * tmux.
887: */
1.72 nicm 888: if (sgr_type == 'm' && (sgr_b & 64))
1.67 nicm 889: return (-2);
1.55 nicm 890: } else
1.22 nicm 891: return (-1);
1.45 nicm 892:
1.72 nicm 893: /* Fill mouse event. */
1.111 nicm 894: m->lx = tty->mouse_last_x;
1.61 nicm 895: m->x = x;
1.111 nicm 896: m->ly = tty->mouse_last_y;
1.61 nicm 897: m->y = y;
1.72 nicm 898: m->lb = m->b;
899: m->b = b;
900: m->sgr_type = sgr_type;
901: m->sgr_b = sgr_b;
1.111 nicm 902:
903: /* Update last mouse state. */
904: tty->mouse_last_x = x;
905: tty->mouse_last_y = y;
1.104 nicm 906:
907: return (0);
908: }
909:
910: /*
911: * Handle OSC 52 clipboard input. Returns 0 for success, -1 for failure, 1 for
912: * partial.
913: */
914: static int
915: tty_keys_clipboard(__unused struct tty *tty, const char *buf, size_t len,
916: size_t *size)
917: {
918: size_t end, terminator, needed;
919: char *copy, *out;
920: int outlen;
921:
922: *size = 0;
923:
924: /* First three bytes are always \033]52;. */
925: if (buf[0] != '\033')
926: return (-1);
927: if (len == 1)
928: return (1);
929: if (buf[1] != ']')
930: return (-1);
931: if (len == 2)
932: return (1);
933: if (buf[2] != '5')
934: return (-1);
935: if (len == 3)
936: return (1);
937: if (buf[3] != '2')
938: return (-1);
939: if (len == 4)
940: return (1);
941: if (buf[4] != ';')
942: return (-1);
943: if (len == 5)
944: return (1);
945:
946: /* Find the terminator if any. */
947: for (end = 5; end < len; end++) {
948: if (buf[end] == '\007') {
949: terminator = 1;
950: break;
951: }
952: if (end > 5 && buf[end - 1] == '\033' && buf[end] == '\\') {
953: terminator = 2;
954: break;
955: }
956: }
957: if (end == len)
958: return (1);
959: *size = end + terminator;
960:
961: /* Skip the initial part. */
962: buf += 5;
963: end -= 5;
964:
965: /* Get the second argument. */
966: while (end != 0 && *buf != ';') {
967: buf++;
968: end--;
969: }
970: if (end == 0 || end == 1)
971: return (0);
972: buf++;
973: end--;
974:
975: /* It has to be a string so copy it. */
976: copy = xmalloc(end + 1);
977: memcpy(copy, buf, end);
978: copy[end] = '\0';
979:
980: /* Convert from base64. */
981: needed = (end / 4) * 3;
982: out = xmalloc(needed);
983: if ((outlen = b64_pton(copy, out, len)) == -1) {
984: free(out);
985: free(copy);
986: return (0);
987: }
988: free(copy);
989:
990: /* Create a new paste buffer. */
991: log_debug("%s: %.*s", __func__, outlen, out);
1.108 nicm 992: paste_add(NULL, out, outlen);
1.91 nicm 993:
994: return (0);
995: }
996:
997: /*
998: * Handle device attributes input. Returns 0 for success, -1 for failure, 1 for
999: * partial.
1000: */
1001: static int
1002: tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
1003: size_t *size)
1004: {
1.94 nicm 1005: struct client *c = tty->client;
1.92 nicm 1006: u_int i, a, b;
1007: char tmp[64], *endptr;
1008: static const char *types[] = TTY_TYPES;
1009: int type;
1.91 nicm 1010:
1011: *size = 0;
1012:
1013: /* First three bytes are always \033[?. */
1014: if (buf[0] != '\033')
1015: return (-1);
1016: if (len == 1)
1017: return (1);
1018: if (buf[1] != '[')
1019: return (-1);
1020: if (len == 2)
1021: return (1);
1022: if (buf[2] != '?')
1023: return (-1);
1024: if (len == 3)
1025: return (1);
1026:
1027: /* Copy the rest up to a 'c'. */
1028: for (i = 0; i < (sizeof tmp) - 1 && buf[3 + i] != 'c'; i++) {
1029: if (3 + i == len)
1030: return (1);
1031: tmp[i] = buf[3 + i];
1032: }
1033: if (i == (sizeof tmp) - 1)
1034: return (-1);
1035: tmp[i] = '\0';
1036: *size = 4 + i;
1037:
1038: /* Convert version numbers. */
1039: a = strtoul(tmp, &endptr, 10);
1040: if (*endptr == ';') {
1041: b = strtoul(endptr + 1, &endptr, 10);
1042: if (*endptr != '\0' && *endptr != ';')
1043: b = 0;
1044: } else
1045: a = b = 0;
1046:
1.94 nicm 1047: /* Store terminal type. */
1.92 nicm 1048: type = TTY_UNKNOWN;
1.91 nicm 1049: switch (a) {
1050: case 1:
1.92 nicm 1051: if (b == 2)
1052: type = TTY_VT100;
1053: else if (b == 0)
1054: type = TTY_VT101;
1.91 nicm 1055: break;
1056: case 6:
1.92 nicm 1057: type = TTY_VT102;
1.91 nicm 1058: break;
1059: case 62:
1.92 nicm 1060: type = TTY_VT220;
1.91 nicm 1061: break;
1062: case 63:
1.92 nicm 1063: type = TTY_VT320;
1.91 nicm 1064: break;
1065: case 64:
1.92 nicm 1066: type = TTY_VT420;
1.91 nicm 1067: break;
1068: }
1.92 nicm 1069: tty_set_type(tty, type);
1.35 nicm 1070:
1.94 nicm 1071: log_debug("%s: received DA %.*s (%s)", c->name, (int)*size, buf,
1072: types[type]);
1.22 nicm 1073: return (0);
1.1 nicm 1074: }
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