Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.106
1.106 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.105 2018/10/28 15:34:27 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 *);
49: static int tty_keys_mouse(struct tty *, const char *, size_t, size_t *);
1.104 nicm 50: static int tty_keys_clipboard(struct tty *, const char *, size_t,
51: size_t *);
1.91 nicm 52: static int tty_keys_device_attributes(struct tty *, const char *, size_t,
53: size_t *);
1.1 nicm 54:
1.48 nicm 55: /* Default raw keys. */
56: struct tty_default_key_raw {
1.1 nicm 57: const char *string;
1.76 nicm 58: key_code key;
1.1 nicm 59: };
1.90 nicm 60: static const struct tty_default_key_raw tty_default_raw_keys[] = {
1.1 nicm 61: /*
1.8 nicm 62: * Numeric keypad. Just use the vt100 escape sequences here and always
63: * put the terminal into keypad_xmit mode. Translation of numbers
64: * mode/applications mode is done in input-keys.c.
1.1 nicm 65: */
1.48 nicm 66: { "\033Oo", KEYC_KP_SLASH },
67: { "\033Oj", KEYC_KP_STAR },
68: { "\033Om", KEYC_KP_MINUS },
69: { "\033Ow", KEYC_KP_SEVEN },
70: { "\033Ox", KEYC_KP_EIGHT },
71: { "\033Oy", KEYC_KP_NINE },
72: { "\033Ok", KEYC_KP_PLUS },
73: { "\033Ot", KEYC_KP_FOUR },
74: { "\033Ou", KEYC_KP_FIVE },
75: { "\033Ov", KEYC_KP_SIX },
76: { "\033Oq", KEYC_KP_ONE },
77: { "\033Or", KEYC_KP_TWO },
78: { "\033Os", KEYC_KP_THREE },
79: { "\033OM", KEYC_KP_ENTER },
80: { "\033Op", KEYC_KP_ZERO },
81: { "\033On", KEYC_KP_PERIOD },
1.10 nicm 82:
1.29 nicm 83: /* Arrow keys. */
1.48 nicm 84: { "\033OA", KEYC_UP },
85: { "\033OB", KEYC_DOWN },
86: { "\033OC", KEYC_RIGHT },
87: { "\033OD", KEYC_LEFT },
88:
89: { "\033[A", KEYC_UP },
90: { "\033[B", KEYC_DOWN },
91: { "\033[C", KEYC_RIGHT },
92: { "\033[D", KEYC_LEFT },
1.57 nicm 93:
94: /* Other (xterm) "cursor" keys. */
95: { "\033OH", KEYC_HOME },
96: { "\033OF", KEYC_END },
97:
98: { "\033[H", KEYC_HOME },
99: { "\033[F", KEYC_END },
1.21 nicm 100:
101: /* rxvt-style arrow + modifier keys. */
1.48 nicm 102: { "\033Oa", KEYC_UP|KEYC_CTRL },
103: { "\033Ob", KEYC_DOWN|KEYC_CTRL },
104: { "\033Oc", KEYC_RIGHT|KEYC_CTRL },
105: { "\033Od", KEYC_LEFT|KEYC_CTRL },
106:
107: { "\033[a", KEYC_UP|KEYC_SHIFT },
108: { "\033[b", KEYC_DOWN|KEYC_SHIFT },
109: { "\033[c", KEYC_RIGHT|KEYC_SHIFT },
110: { "\033[d", KEYC_LEFT|KEYC_SHIFT },
111:
112: /* rxvt-style function + modifier keys (C = ^, S = $, C-S = @). */
113: { "\033[11^", KEYC_F1|KEYC_CTRL },
114: { "\033[12^", KEYC_F2|KEYC_CTRL },
115: { "\033[13^", KEYC_F3|KEYC_CTRL },
116: { "\033[14^", KEYC_F4|KEYC_CTRL },
117: { "\033[15^", KEYC_F5|KEYC_CTRL },
118: { "\033[17^", KEYC_F6|KEYC_CTRL },
119: { "\033[18^", KEYC_F7|KEYC_CTRL },
120: { "\033[19^", KEYC_F8|KEYC_CTRL },
121: { "\033[20^", KEYC_F9|KEYC_CTRL },
122: { "\033[21^", KEYC_F10|KEYC_CTRL },
123: { "\033[23^", KEYC_F11|KEYC_CTRL },
124: { "\033[24^", KEYC_F12|KEYC_CTRL },
125: { "\033[2^", KEYC_IC|KEYC_CTRL },
126: { "\033[3^", KEYC_DC|KEYC_CTRL },
127: { "\033[7^", KEYC_HOME|KEYC_CTRL },
128: { "\033[8^", KEYC_END|KEYC_CTRL },
129: { "\033[6^", KEYC_NPAGE|KEYC_CTRL },
130: { "\033[5^", KEYC_PPAGE|KEYC_CTRL },
131:
132: { "\033[11$", KEYC_F1|KEYC_SHIFT },
133: { "\033[12$", KEYC_F2|KEYC_SHIFT },
134: { "\033[13$", KEYC_F3|KEYC_SHIFT },
135: { "\033[14$", KEYC_F4|KEYC_SHIFT },
136: { "\033[15$", KEYC_F5|KEYC_SHIFT },
137: { "\033[17$", KEYC_F6|KEYC_SHIFT },
138: { "\033[18$", KEYC_F7|KEYC_SHIFT },
139: { "\033[19$", KEYC_F8|KEYC_SHIFT },
140: { "\033[20$", KEYC_F9|KEYC_SHIFT },
141: { "\033[21$", KEYC_F10|KEYC_SHIFT },
142: { "\033[23$", KEYC_F11|KEYC_SHIFT },
143: { "\033[24$", KEYC_F12|KEYC_SHIFT },
144: { "\033[2$", KEYC_IC|KEYC_SHIFT },
145: { "\033[3$", KEYC_DC|KEYC_SHIFT },
146: { "\033[7$", KEYC_HOME|KEYC_SHIFT },
147: { "\033[8$", KEYC_END|KEYC_SHIFT },
148: { "\033[6$", KEYC_NPAGE|KEYC_SHIFT },
149: { "\033[5$", KEYC_PPAGE|KEYC_SHIFT },
150:
151: { "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT },
152: { "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT },
153: { "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT },
154: { "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT },
155: { "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT },
156: { "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT },
157: { "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT },
158: { "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT },
159: { "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT },
160: { "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT },
161: { "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT },
162: { "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT },
163: { "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT },
164: { "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT },
165: { "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT },
166: { "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT },
167: { "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT },
168: { "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT },
1.56 nicm 169:
170: /* Focus tracking. */
171: { "\033[I", KEYC_FOCUS_IN },
172: { "\033[O", KEYC_FOCUS_OUT },
1.98 nicm 173:
174: /* Paste keys. */
175: { "\033[200~", KEYC_PASTE_START },
176: { "\033[201~", KEYC_PASTE_END },
1.48 nicm 177: };
1.29 nicm 178:
1.103 nicm 179: /*
180: * Default terminfo(5) keys. Any keys that have builtin modifiers
181: * (that is, where the key itself contains the modifiers) has the
182: * KEYC_XTERM flag set so a leading escape is not treated as meta (and
183: * probably removed).
184: */
1.48 nicm 185: struct tty_default_key_code {
186: enum tty_code_code code;
1.76 nicm 187: key_code key;
1.48 nicm 188: };
1.90 nicm 189: static const struct tty_default_key_code tty_default_code_keys[] = {
1.29 nicm 190: /* Function keys. */
1.48 nicm 191: { TTYC_KF1, KEYC_F1 },
192: { TTYC_KF2, KEYC_F2 },
193: { TTYC_KF3, KEYC_F3 },
194: { TTYC_KF4, KEYC_F4 },
195: { TTYC_KF5, KEYC_F5 },
196: { TTYC_KF6, KEYC_F6 },
197: { TTYC_KF7, KEYC_F7 },
198: { TTYC_KF8, KEYC_F8 },
199: { TTYC_KF9, KEYC_F9 },
200: { TTYC_KF10, KEYC_F10 },
201: { TTYC_KF11, KEYC_F11 },
202: { TTYC_KF12, KEYC_F12 },
1.70 nicm 203:
1.103 nicm 204: { TTYC_KF13, KEYC_F1|KEYC_SHIFT|KEYC_XTERM },
205: { TTYC_KF14, KEYC_F2|KEYC_SHIFT|KEYC_XTERM },
206: { TTYC_KF15, KEYC_F3|KEYC_SHIFT|KEYC_XTERM },
207: { TTYC_KF16, KEYC_F4|KEYC_SHIFT|KEYC_XTERM },
208: { TTYC_KF17, KEYC_F5|KEYC_SHIFT|KEYC_XTERM },
209: { TTYC_KF18, KEYC_F6|KEYC_SHIFT|KEYC_XTERM },
210: { TTYC_KF19, KEYC_F7|KEYC_SHIFT|KEYC_XTERM },
211: { TTYC_KF20, KEYC_F8|KEYC_SHIFT|KEYC_XTERM },
212: { TTYC_KF21, KEYC_F9|KEYC_SHIFT|KEYC_XTERM },
213: { TTYC_KF22, KEYC_F10|KEYC_SHIFT|KEYC_XTERM },
214: { TTYC_KF23, KEYC_F11|KEYC_SHIFT|KEYC_XTERM },
215: { TTYC_KF24, KEYC_F12|KEYC_SHIFT|KEYC_XTERM },
216:
217: { TTYC_KF25, KEYC_F1|KEYC_CTRL|KEYC_XTERM },
218: { TTYC_KF26, KEYC_F2|KEYC_CTRL|KEYC_XTERM },
219: { TTYC_KF27, KEYC_F3|KEYC_CTRL|KEYC_XTERM },
220: { TTYC_KF28, KEYC_F4|KEYC_CTRL|KEYC_XTERM },
221: { TTYC_KF29, KEYC_F5|KEYC_CTRL|KEYC_XTERM },
222: { TTYC_KF30, KEYC_F6|KEYC_CTRL|KEYC_XTERM },
223: { TTYC_KF31, KEYC_F7|KEYC_CTRL|KEYC_XTERM },
224: { TTYC_KF32, KEYC_F8|KEYC_CTRL|KEYC_XTERM },
225: { TTYC_KF33, KEYC_F9|KEYC_CTRL|KEYC_XTERM },
226: { TTYC_KF34, KEYC_F10|KEYC_CTRL|KEYC_XTERM },
227: { TTYC_KF35, KEYC_F11|KEYC_CTRL|KEYC_XTERM },
228: { TTYC_KF36, KEYC_F12|KEYC_CTRL|KEYC_XTERM },
229:
230: { TTYC_KF37, KEYC_F1|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
231: { TTYC_KF38, KEYC_F2|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
232: { TTYC_KF39, KEYC_F3|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
233: { TTYC_KF40, KEYC_F4|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
234: { TTYC_KF41, KEYC_F5|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
235: { TTYC_KF42, KEYC_F6|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
236: { TTYC_KF43, KEYC_F7|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
237: { TTYC_KF44, KEYC_F8|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
238: { TTYC_KF45, KEYC_F9|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
239: { TTYC_KF46, KEYC_F10|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
240: { TTYC_KF47, KEYC_F11|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
241: { TTYC_KF48, KEYC_F12|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
242:
243: { TTYC_KF49, KEYC_F1|KEYC_ESCAPE|KEYC_XTERM },
244: { TTYC_KF50, KEYC_F2|KEYC_ESCAPE|KEYC_XTERM },
245: { TTYC_KF51, KEYC_F3|KEYC_ESCAPE|KEYC_XTERM },
246: { TTYC_KF52, KEYC_F4|KEYC_ESCAPE|KEYC_XTERM },
247: { TTYC_KF53, KEYC_F5|KEYC_ESCAPE|KEYC_XTERM },
248: { TTYC_KF54, KEYC_F6|KEYC_ESCAPE|KEYC_XTERM },
249: { TTYC_KF55, KEYC_F7|KEYC_ESCAPE|KEYC_XTERM },
250: { TTYC_KF56, KEYC_F8|KEYC_ESCAPE|KEYC_XTERM },
251: { TTYC_KF57, KEYC_F9|KEYC_ESCAPE|KEYC_XTERM },
252: { TTYC_KF58, KEYC_F10|KEYC_ESCAPE|KEYC_XTERM },
253: { TTYC_KF59, KEYC_F11|KEYC_ESCAPE|KEYC_XTERM },
254: { TTYC_KF60, KEYC_F12|KEYC_ESCAPE|KEYC_XTERM },
255:
256: { TTYC_KF61, KEYC_F1|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
257: { TTYC_KF62, KEYC_F2|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
258: { TTYC_KF63, KEYC_F3|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
1.70 nicm 259:
1.48 nicm 260: { TTYC_KICH1, KEYC_IC },
261: { TTYC_KDCH1, KEYC_DC },
262: { TTYC_KHOME, KEYC_HOME },
263: { TTYC_KEND, KEYC_END },
264: { TTYC_KNP, KEYC_NPAGE },
265: { TTYC_KPP, KEYC_PPAGE },
266: { TTYC_KCBT, KEYC_BTAB },
1.29 nicm 267:
268: /* Arrow keys from terminfo. */
1.48 nicm 269: { TTYC_KCUU1, KEYC_UP },
270: { TTYC_KCUD1, KEYC_DOWN },
271: { TTYC_KCUB1, KEYC_LEFT },
272: { TTYC_KCUF1, KEYC_RIGHT },
1.29 nicm 273:
1.103 nicm 274: /* Key and modifier capabilities. */
1.97 nicm 275: { TTYC_KDC2, KEYC_DC|KEYC_SHIFT|KEYC_XTERM },
276: { TTYC_KDC3, KEYC_DC|KEYC_ESCAPE|KEYC_XTERM },
277: { TTYC_KDC4, KEYC_DC|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
278: { TTYC_KDC5, KEYC_DC|KEYC_CTRL|KEYC_XTERM },
279: { TTYC_KDC6, KEYC_DC|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
280: { TTYC_KDC7, KEYC_DC|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.102 nicm 281: { TTYC_KIND, KEYC_DOWN|KEYC_SHIFT|KEYC_XTERM },
1.97 nicm 282: { TTYC_KDN2, KEYC_DOWN|KEYC_SHIFT|KEYC_XTERM },
283: { TTYC_KDN3, KEYC_DOWN|KEYC_ESCAPE|KEYC_XTERM },
284: { TTYC_KDN4, KEYC_DOWN|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
285: { TTYC_KDN5, KEYC_DOWN|KEYC_CTRL|KEYC_XTERM },
286: { TTYC_KDN6, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
287: { TTYC_KDN7, KEYC_DOWN|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
288: { TTYC_KEND2, KEYC_END|KEYC_SHIFT|KEYC_XTERM },
289: { TTYC_KEND3, KEYC_END|KEYC_ESCAPE|KEYC_XTERM },
290: { TTYC_KEND4, KEYC_END|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
291: { TTYC_KEND5, KEYC_END|KEYC_CTRL|KEYC_XTERM },
292: { TTYC_KEND6, KEYC_END|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
293: { TTYC_KEND7, KEYC_END|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
294: { TTYC_KHOM2, KEYC_HOME|KEYC_SHIFT|KEYC_XTERM },
295: { TTYC_KHOM3, KEYC_HOME|KEYC_ESCAPE|KEYC_XTERM },
296: { TTYC_KHOM4, KEYC_HOME|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
297: { TTYC_KHOM5, KEYC_HOME|KEYC_CTRL|KEYC_XTERM },
298: { TTYC_KHOM6, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
299: { TTYC_KHOM7, KEYC_HOME|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
300: { TTYC_KIC2, KEYC_IC|KEYC_SHIFT|KEYC_XTERM },
301: { TTYC_KIC3, KEYC_IC|KEYC_ESCAPE|KEYC_XTERM },
302: { TTYC_KIC4, KEYC_IC|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
303: { TTYC_KIC5, KEYC_IC|KEYC_CTRL|KEYC_XTERM },
304: { TTYC_KIC6, KEYC_IC|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
305: { TTYC_KIC7, KEYC_IC|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
306: { TTYC_KLFT2, KEYC_LEFT|KEYC_SHIFT|KEYC_XTERM },
307: { TTYC_KLFT3, KEYC_LEFT|KEYC_ESCAPE|KEYC_XTERM },
308: { TTYC_KLFT4, KEYC_LEFT|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
309: { TTYC_KLFT5, KEYC_LEFT|KEYC_CTRL|KEYC_XTERM },
310: { TTYC_KLFT6, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
311: { TTYC_KLFT7, KEYC_LEFT|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
312: { TTYC_KNXT2, KEYC_NPAGE|KEYC_SHIFT|KEYC_XTERM },
313: { TTYC_KNXT3, KEYC_NPAGE|KEYC_ESCAPE|KEYC_XTERM },
314: { TTYC_KNXT4, KEYC_NPAGE|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
315: { TTYC_KNXT5, KEYC_NPAGE|KEYC_CTRL|KEYC_XTERM },
316: { TTYC_KNXT6, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
317: { TTYC_KNXT7, KEYC_NPAGE|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
318: { TTYC_KPRV2, KEYC_PPAGE|KEYC_SHIFT|KEYC_XTERM },
319: { TTYC_KPRV3, KEYC_PPAGE|KEYC_ESCAPE|KEYC_XTERM },
320: { TTYC_KPRV4, KEYC_PPAGE|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
321: { TTYC_KPRV5, KEYC_PPAGE|KEYC_CTRL|KEYC_XTERM },
322: { TTYC_KPRV6, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
323: { TTYC_KPRV7, KEYC_PPAGE|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
324: { TTYC_KRIT2, KEYC_RIGHT|KEYC_SHIFT|KEYC_XTERM },
325: { TTYC_KRIT3, KEYC_RIGHT|KEYC_ESCAPE|KEYC_XTERM },
326: { TTYC_KRIT4, KEYC_RIGHT|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
327: { TTYC_KRIT5, KEYC_RIGHT|KEYC_CTRL|KEYC_XTERM },
328: { TTYC_KRIT6, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
329: { TTYC_KRIT7, KEYC_RIGHT|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.100 nicm 330: { TTYC_KRI, KEYC_UP|KEYC_SHIFT|KEYC_XTERM },
1.97 nicm 331: { TTYC_KUP2, KEYC_UP|KEYC_SHIFT|KEYC_XTERM },
332: { TTYC_KUP3, KEYC_UP|KEYC_ESCAPE|KEYC_XTERM },
333: { TTYC_KUP4, KEYC_UP|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
334: { TTYC_KUP5, KEYC_UP|KEYC_CTRL|KEYC_XTERM },
335: { TTYC_KUP6, KEYC_UP|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
336: { TTYC_KUP7, KEYC_UP|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.1 nicm 337: };
338:
1.48 nicm 339: /* Add key to tree. */
1.86 nicm 340: static void
1.76 nicm 341: tty_keys_add(struct tty *tty, const char *s, key_code key)
1.16 nicm 342: {
1.29 nicm 343: struct tty_key *tk;
344: size_t size;
345: const char *keystr;
1.1 nicm 346:
1.29 nicm 347: keystr = key_string_lookup_key(key);
348: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
1.76 nicm 349: log_debug("new key %s: 0x%llx (%s)", s, key, keystr);
1.16 nicm 350: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 351: } else {
1.76 nicm 352: log_debug("replacing key %s: 0x%llx (%s)", s, key, keystr);
1.29 nicm 353: tk->key = key;
1.16 nicm 354: }
1.1 nicm 355: }
356:
1.16 nicm 357: /* Add next node to the tree. */
1.86 nicm 358: static void
1.76 nicm 359: tty_keys_add1(struct tty_key **tkp, const char *s, key_code key)
1.1 nicm 360: {
1.16 nicm 361: struct tty_key *tk;
1.1 nicm 362:
1.16 nicm 363: /* Allocate a tree entry if there isn't one already. */
364: tk = *tkp;
365: if (tk == NULL) {
366: tk = *tkp = xcalloc(1, sizeof *tk);
367: tk->ch = *s;
1.83 nicm 368: tk->key = KEYC_UNKNOWN;
1.16 nicm 369: }
370:
371: /* Find the next entry. */
372: if (*s == tk->ch) {
373: /* Move forward in string. */
374: s++;
375:
376: /* If this is the end of the string, no more is necessary. */
377: if (*s == '\0') {
378: tk->key = key;
379: return;
380: }
381:
382: /* Use the child tree for the next character. */
383: tkp = &tk->next;
1.27 nicm 384: } else {
1.16 nicm 385: if (*s < tk->ch)
386: tkp = &tk->left;
387: else if (*s > tk->ch)
388: tkp = &tk->right;
389: }
390:
391: /* And recurse to add it. */
392: tty_keys_add1(tkp, s, key);
1.1 nicm 393: }
394:
1.16 nicm 395: /* Initialise a key tree from the table. */
1.1 nicm 396: void
1.48 nicm 397: tty_keys_build(struct tty *tty)
1.1 nicm 398: {
1.48 nicm 399: const struct tty_default_key_raw *tdkr;
400: const struct tty_default_key_code *tdkc;
1.99 nicm 401: u_int i, size;
402: const char *s, *value;
403: struct options_entry *o;
1.1 nicm 404:
1.48 nicm 405: if (tty->key_tree != NULL)
1.71 nicm 406: tty_keys_free(tty);
1.16 nicm 407: tty->key_tree = NULL;
1.1 nicm 408:
1.48 nicm 409: for (i = 0; i < nitems(tty_default_raw_keys); i++) {
410: tdkr = &tty_default_raw_keys[i];
411:
412: s = tdkr->string;
1.51 nicm 413: if (*s != '\0')
414: tty_keys_add(tty, s, tdkr->key);
1.48 nicm 415: }
416: for (i = 0; i < nitems(tty_default_code_keys); i++) {
417: tdkc = &tty_default_code_keys[i];
418:
419: s = tty_term_string(tty->term, tdkc->code);
1.51 nicm 420: if (*s != '\0')
421: tty_keys_add(tty, s, tdkc->key);
1.1 nicm 422:
1.99 nicm 423: }
424:
425: o = options_get(global_options, "user-keys");
426: if (o != NULL && options_array_size(o, &size) != -1) {
427: for (i = 0; i < size; i++) {
428: value = options_array_get(o, i);
429: if (value != NULL)
430: tty_keys_add(tty, value, KEYC_USER + i);
431: }
1.1 nicm 432: }
433: }
434:
1.16 nicm 435: /* Free the entire key tree. */
1.1 nicm 436: void
437: tty_keys_free(struct tty *tty)
438: {
1.16 nicm 439: tty_keys_free1(tty->key_tree);
440: }
1.1 nicm 441:
1.16 nicm 442: /* Free a single key. */
1.86 nicm 443: static void
1.16 nicm 444: tty_keys_free1(struct tty_key *tk)
445: {
446: if (tk->next != NULL)
447: tty_keys_free1(tk->next);
448: if (tk->left != NULL)
449: tty_keys_free1(tk->left);
450: if (tk->right != NULL)
451: tty_keys_free1(tk->right);
1.42 nicm 452: free(tk);
1.1 nicm 453: }
454:
1.16 nicm 455: /* Lookup a key in the tree. */
1.86 nicm 456: static struct tty_key *
1.16 nicm 457: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 458: {
1.16 nicm 459: *size = 0;
460: return (tty_keys_find1(tty->key_tree, buf, len, size));
461: }
1.1 nicm 462:
1.16 nicm 463: /* Find the next node. */
1.86 nicm 464: static struct tty_key *
1.16 nicm 465: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
466: {
1.106 ! nicm 467: /* If no data, no match. */
! 468: if (len == 0)
! 469: return (NULL);
! 470:
1.16 nicm 471: /* If the node is NULL, this is the end of the tree. No match. */
472: if (tk == NULL)
1.1 nicm 473: return (NULL);
474:
1.16 nicm 475: /* Pick the next in the sequence. */
476: if (tk->ch == *buf) {
477: /* Move forward in the string. */
478: buf++; len--;
479: (*size)++;
1.1 nicm 480:
1.16 nicm 481: /* At the end of the string, return the current node. */
1.83 nicm 482: if (len == 0 || (tk->next == NULL && tk->key != KEYC_UNKNOWN))
1.16 nicm 483: return (tk);
1.1 nicm 484:
1.16 nicm 485: /* Move into the next tree for the following character. */
486: tk = tk->next;
487: } else {
488: if (*buf < tk->ch)
489: tk = tk->left;
490: else if (*buf > tk->ch)
491: tk = tk->right;
1.1 nicm 492: }
493:
1.16 nicm 494: /* Move to the next in the tree. */
495: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 496: }
497:
1.86 nicm 498: /* Look up part of the next key. */
499: static int
500: tty_keys_next1(struct tty *tty, const char *buf, size_t len, key_code *key,
1.87 nicm 501: size_t *size, int expired)
1.86 nicm 502: {
1.94 nicm 503: struct client *c = tty->client;
1.86 nicm 504: struct tty_key *tk, *tk1;
505: struct utf8_data ud;
506: enum utf8_state more;
507: u_int i;
508: wchar_t wc;
1.97 nicm 509: int n;
1.86 nicm 510:
1.94 nicm 511: log_debug("%s: next key is %zu (%.*s) (expired=%d)", c->name, len,
512: (int)len, buf, expired);
1.86 nicm 513:
514: /* Is this a known key? */
515: tk = tty_keys_find(tty, buf, len, size);
1.87 nicm 516: if (tk != NULL && tk->key != KEYC_UNKNOWN) {
1.86 nicm 517: tk1 = tk;
518: do
1.94 nicm 519: log_debug("%s: keys in list: %#llx", c->name, tk1->key);
1.86 nicm 520: while ((tk1 = tk1->next) != NULL);
1.87 nicm 521: if (tk->next != NULL && !expired)
522: return (1);
1.86 nicm 523: *key = tk->key;
1.87 nicm 524: return (0);
1.86 nicm 525: }
526:
1.97 nicm 527: /* Is this an an xterm(1) key? */
528: n = xterm_keys_find(buf, len, size, key);
529: if (n == 0)
530: return (0);
531: if (n == 1 && !expired)
532: return (1);
533:
1.86 nicm 534: /* Is this valid UTF-8? */
535: more = utf8_open(&ud, (u_char)*buf);
536: if (more == UTF8_MORE) {
537: *size = ud.size;
1.87 nicm 538: if (len < ud.size) {
539: if (!expired)
540: return (1);
541: return (-1);
542: }
1.86 nicm 543: for (i = 1; i < ud.size; i++)
544: more = utf8_append(&ud, (u_char)buf[i]);
545: if (more != UTF8_DONE)
1.87 nicm 546: return (-1);
1.86 nicm 547:
548: if (utf8_combine(&ud, &wc) != UTF8_DONE)
1.87 nicm 549: return (-1);
1.86 nicm 550: *key = wc;
551:
1.94 nicm 552: log_debug("%s: UTF-8 key %.*s %#llx", c->name, (int)ud.size,
553: buf, *key);
1.86 nicm 554: return (0);
555: }
556:
557: return (-1);
558: }
559:
1.16 nicm 560: /*
561: * Process at least one key in the buffer and invoke tty->key_callback. Return
1.22 nicm 562: * 0 if there are no further keys, or 1 if there could be more in the buffer.
1.16 nicm 563: */
1.76 nicm 564: key_code
1.14 nicm 565: tty_keys_next(struct tty *tty)
1.1 nicm 566: {
1.94 nicm 567: struct client *c = tty->client;
1.86 nicm 568: struct timeval tv;
569: const char *buf;
570: size_t len, size;
571: cc_t bspace;
1.87 nicm 572: int delay, expired = 0, n;
1.86 nicm 573: key_code key;
1.1 nicm 574:
1.51 nicm 575: /* Get key buffer. */
1.93 nicm 576: buf = EVBUFFER_DATA(tty->in);
577: len = EVBUFFER_LENGTH(tty->in);
1.82 nicm 578:
1.1 nicm 579: if (len == 0)
1.14 nicm 580: return (0);
1.94 nicm 581: log_debug("%s: keys are %zu (%.*s)", c->name, len, (int)len, buf);
1.1 nicm 582:
1.104 nicm 583: /* Is this a clipboard response? */
584: switch (tty_keys_clipboard(tty, buf, len, &size)) {
585: case 0: /* yes */
586: key = KEYC_UNKNOWN;
587: goto complete_key;
588: case -1: /* no, or not valid */
589: break;
590: case 1: /* partial */
591: goto partial_key;
592: }
593:
1.91 nicm 594: /* Is this a device attributes response? */
595: switch (tty_keys_device_attributes(tty, buf, len, &size)) {
596: case 0: /* yes */
597: key = KEYC_UNKNOWN;
598: goto complete_key;
599: case -1: /* no, or not valid */
600: break;
601: case 1: /* partial */
602: goto partial_key;
603: }
604:
1.26 nicm 605: /* Is this a mouse key press? */
1.40 nicm 606: switch (tty_keys_mouse(tty, buf, len, &size)) {
1.22 nicm 607: case 0: /* yes */
608: key = KEYC_MOUSE;
1.51 nicm 609: goto complete_key;
1.22 nicm 610: case -1: /* no, or not valid */
1.24 nicm 611: break;
1.67 nicm 612: case -2: /* yes, but we don't care. */
1.73 nicm 613: key = KEYC_MOUSE;
1.67 nicm 614: goto discard_key;
1.22 nicm 615: case 1: /* partial */
616: goto partial_key;
1.11 nicm 617: }
618:
1.86 nicm 619: first_key:
1.101 nicm 620: /* Try to lookup complete key. */
621: n = tty_keys_next1(tty, buf, len, &key, &size, expired);
622: if (n == 0) /* found */
623: goto complete_key;
624: if (n == 1)
625: goto partial_key;
626:
627: /*
628: * If not a complete key, look for key with an escape prefix (meta
629: * modifier).
630: */
1.105 nicm 631: if (*buf == '\033' && len > 1) {
1.87 nicm 632: /* Look for a key without the escape. */
633: n = tty_keys_next1(tty, buf + 1, len - 1, &key, &size, expired);
634: if (n == 0) { /* found */
1.97 nicm 635: if (key & KEYC_XTERM) {
636: /*
637: * We want the escape key as well as the xterm
638: * key, because the xterm sequence implicitly
639: * includes the escape (so if we see
640: * \033\033[1;3D we know it is an Escape
641: * followed by M-Left, not just M-Left).
642: */
643: key = '\033';
644: size = 1;
645: goto complete_key;
646: }
1.87 nicm 647: key |= KEYC_ESCAPE;
648: size++;
649: goto complete_key;
650: }
651: if (n == 1) /* partial */
1.62 nicm 652: goto partial_key;
1.89 nicm 653: }
1.1 nicm 654:
1.89 nicm 655: /*
656: * At this point, we know the key is not partial (with or without
657: * escape). So pass it through even if the timer has not expired.
658: */
659: if (*buf == '\033' && len >= 2) {
660: key = (u_char)buf[1] | KEYC_ESCAPE;
661: size = 2;
662: } else {
663: key = (u_char)buf[0];
664: size = 1;
1.76 nicm 665: }
1.51 nicm 666: goto complete_key;
667:
668: partial_key:
1.94 nicm 669: log_debug("%s: partial key %.*s", c->name, (int)len, buf);
1.14 nicm 670:
1.51 nicm 671: /* If timer is going, check for expiration. */
672: if (tty->flags & TTY_TIMER) {
673: if (evtimer_initialized(&tty->key_timer) &&
1.59 nicm 674: !evtimer_pending(&tty->key_timer, NULL)) {
675: expired = 1;
1.51 nicm 676: goto first_key;
1.59 nicm 677: }
1.39 nicm 678: return (0);
1.51 nicm 679: }
1.39 nicm 680:
1.51 nicm 681: /* Get the time period. */
1.75 nicm 682: delay = options_get_number(global_options, "escape-time");
1.28 nicm 683: tv.tv_sec = delay / 1000;
684: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 685:
1.51 nicm 686: /* Start the timer. */
1.36 nicm 687: if (event_initialized(&tty->key_timer))
688: evtimer_del(&tty->key_timer);
1.14 nicm 689: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
690: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 691:
1.51 nicm 692: tty->flags |= TTY_TIMER;
1.14 nicm 693: return (0);
1.1 nicm 694:
1.51 nicm 695: complete_key:
1.94 nicm 696: log_debug("%s: complete key %.*s %#llx", c->name, (int)size, buf, key);
1.88 nicm 697:
698: /*
699: * Check for backspace key using termios VERASE - the terminfo
700: * kbs entry is extremely unreliable, so cannot be safely
701: * used. termios should have a better idea.
702: */
703: bspace = tty->tio.c_cc[VERASE];
704: if (bspace != _POSIX_VDISABLE && (key & KEYC_MASK_KEY) == bspace)
705: key = (key & KEYC_MASK_MOD) | KEYC_BSPACE;
1.16 nicm 706:
1.51 nicm 707: /* Remove data from buffer. */
1.93 nicm 708: evbuffer_drain(tty->in, size);
1.16 nicm 709:
1.51 nicm 710: /* Remove key timer. */
1.36 nicm 711: if (event_initialized(&tty->key_timer))
712: evtimer_del(&tty->key_timer);
1.51 nicm 713: tty->flags &= ~TTY_TIMER;
1.56 nicm 714:
715: /* Check for focus events. */
716: if (key == KEYC_FOCUS_OUT) {
717: tty->client->flags &= ~CLIENT_FOCUSED;
718: return (1);
719: } else if (key == KEYC_FOCUS_IN) {
720: tty->client->flags |= CLIENT_FOCUSED;
721: return (1);
722: }
1.16 nicm 723:
1.51 nicm 724: /* Fire the key. */
1.83 nicm 725: if (key != KEYC_UNKNOWN)
1.41 nicm 726: server_client_handle_key(tty->client, key);
1.16 nicm 727:
1.14 nicm 728: return (1);
1.67 nicm 729:
730: discard_key:
1.94 nicm 731: log_debug("%s: discard key %.*s %#llx", c->name, (int)size, buf, key);
1.67 nicm 732:
733: /* Remove data from buffer. */
1.93 nicm 734: evbuffer_drain(tty->in, size);
1.67 nicm 735:
736: return (1);
1.14 nicm 737: }
738:
1.16 nicm 739: /* Key timer callback. */
1.86 nicm 740: static void
1.81 nicm 741: tty_keys_callback(__unused int fd, __unused short events, void *data)
1.14 nicm 742: {
743: struct tty *tty = data;
744:
1.51 nicm 745: if (tty->flags & TTY_TIMER) {
746: while (tty_keys_next(tty))
747: ;
748: }
1.1 nicm 749: }
750:
1.27 nicm 751: /*
1.22 nicm 752: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
753: * (probably a mouse sequence but need more data).
754: */
1.86 nicm 755: static int
1.40 nicm 756: tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 757: {
1.94 nicm 758: struct client *c = tty->client;
1.41 nicm 759: struct mouse_event *m = &tty->mouse;
1.82 nicm 760: u_int i, x, y, b, sgr_b;
1.94 nicm 761: u_char sgr_type, ch;
1.33 nicm 762:
1.1 nicm 763: /*
1.33 nicm 764: * Standard mouse sequences are \033[M followed by three characters
1.55 nicm 765: * indicating button, X and Y, all based at 32 with 1,1 top-left.
1.33 nicm 766: *
767: * UTF-8 mouse sequences are similar but the three are expressed as
768: * UTF-8 characters.
1.55 nicm 769: *
770: * SGR extended mouse sequences are \033[< followed by three numbers in
771: * decimal and separated by semicolons indicating button, X and Y. A
772: * trailing 'M' is click or scroll and trailing 'm' release. All are
773: * based at 0 with 1,1 top-left.
1.1 nicm 774: */
775:
1.22 nicm 776: *size = 0;
1.72 nicm 777: x = y = b = sgr_b = 0;
778: sgr_type = ' ';
1.22 nicm 779:
1.55 nicm 780: /* First two bytes are always \033[. */
1.22 nicm 781: if (buf[0] != '\033')
782: return (-1);
783: if (len == 1)
784: return (1);
785: if (buf[1] != '[')
786: return (-1);
787: if (len == 2)
788: return (1);
789:
1.55 nicm 790: /*
1.82 nicm 791: * Third byte is M in old standard (and UTF-8 extension which we do not
792: * support), < in SGR extension.
1.55 nicm 793: */
794: if (buf[2] == 'M') {
795: /* Read the three inputs. */
796: *size = 3;
797: for (i = 0; i < 3; i++) {
798: if (len <= *size)
799: return (1);
1.94 nicm 800: ch = (u_char)buf[(*size)++];
1.55 nicm 801: if (i == 0)
1.94 nicm 802: b = ch;
1.55 nicm 803: else if (i == 1)
1.94 nicm 804: x = ch;
1.55 nicm 805: else
1.94 nicm 806: y = ch;
1.33 nicm 807: }
1.94 nicm 808: log_debug("%s: mouse input: %.*s", c->name, (int)*size, buf);
1.16 nicm 809:
1.55 nicm 810: /* Check and return the mouse input. */
1.60 nicm 811: if (b < 32)
1.55 nicm 812: return (-1);
813: b -= 32;
1.60 nicm 814: if (x >= 33)
815: x -= 33;
816: else
817: x = 256 - x;
818: if (y >= 33)
819: y -= 33;
820: else
821: y = 256 - y;
1.55 nicm 822: } else if (buf[2] == '<') {
823: /* Read the three inputs. */
824: *size = 3;
825: while (1) {
826: if (len <= *size)
827: return (1);
1.94 nicm 828: ch = (u_char)buf[(*size)++];
829: if (ch == ';')
1.55 nicm 830: break;
1.94 nicm 831: if (ch < '0' || ch > '9')
1.55 nicm 832: return (-1);
1.94 nicm 833: sgr_b = 10 * sgr_b + (ch - '0');
1.55 nicm 834: }
835: while (1) {
836: if (len <= *size)
837: return (1);
1.94 nicm 838: ch = (u_char)buf[(*size)++];
839: if (ch == ';')
1.55 nicm 840: break;
1.94 nicm 841: if (ch < '0' || ch > '9')
1.55 nicm 842: return (-1);
1.94 nicm 843: x = 10 * x + (ch - '0');
1.55 nicm 844: }
845: while (1) {
846: if (len <= *size)
847: return (1);
1.94 nicm 848: ch = (u_char)buf[(*size)++];
849: if (ch == 'M' || ch == 'm')
1.55 nicm 850: break;
1.94 nicm 851: if (ch < '0' || ch > '9')
1.55 nicm 852: return (-1);
1.94 nicm 853: y = 10 * y + (ch - '0');
1.55 nicm 854: }
1.94 nicm 855: log_debug("%s: mouse input (SGR): %.*s", c->name, (int)*size,
856: buf);
1.1 nicm 857:
1.55 nicm 858: /* Check and return the mouse input. */
859: if (x < 1 || y < 1)
860: return (-1);
861: x--;
862: y--;
1.72 nicm 863: b = sgr_b;
864:
865: /* Type is M for press, m for release. */
1.94 nicm 866: sgr_type = ch;
1.72 nicm 867: if (sgr_type == 'm')
868: b |= 3;
1.67 nicm 869:
870: /*
871: * Some terminals (like PuTTY 0.63) mistakenly send
872: * button-release events for scroll-wheel button-press event.
873: * Discard it before it reaches any program running inside
874: * tmux.
875: */
1.72 nicm 876: if (sgr_type == 'm' && (sgr_b & 64))
1.67 nicm 877: return (-2);
1.55 nicm 878: } else
1.22 nicm 879: return (-1);
1.45 nicm 880:
1.72 nicm 881: /* Fill mouse event. */
882: m->lx = m->x;
1.61 nicm 883: m->x = x;
1.72 nicm 884: m->ly = m->y;
1.61 nicm 885: m->y = y;
1.72 nicm 886: m->lb = m->b;
887: m->b = b;
888: m->sgr_type = sgr_type;
889: m->sgr_b = sgr_b;
1.104 nicm 890:
891: return (0);
892: }
893:
894: /*
895: * Handle OSC 52 clipboard input. Returns 0 for success, -1 for failure, 1 for
896: * partial.
897: */
898: static int
899: tty_keys_clipboard(__unused struct tty *tty, const char *buf, size_t len,
900: size_t *size)
901: {
902: size_t end, terminator, needed;
903: char *copy, *out;
904: int outlen;
905:
906: *size = 0;
907:
908: /* First three bytes are always \033]52;. */
909: if (buf[0] != '\033')
910: return (-1);
911: if (len == 1)
912: return (1);
913: if (buf[1] != ']')
914: return (-1);
915: if (len == 2)
916: return (1);
917: if (buf[2] != '5')
918: return (-1);
919: if (len == 3)
920: return (1);
921: if (buf[3] != '2')
922: return (-1);
923: if (len == 4)
924: return (1);
925: if (buf[4] != ';')
926: return (-1);
927: if (len == 5)
928: return (1);
929:
930: /* Find the terminator if any. */
931: for (end = 5; end < len; end++) {
932: if (buf[end] == '\007') {
933: terminator = 1;
934: break;
935: }
936: if (end > 5 && buf[end - 1] == '\033' && buf[end] == '\\') {
937: terminator = 2;
938: break;
939: }
940: }
941: if (end == len)
942: return (1);
943: *size = end + terminator;
944:
945: /* Skip the initial part. */
946: buf += 5;
947: end -= 5;
948:
949: /* Get the second argument. */
950: while (end != 0 && *buf != ';') {
951: buf++;
952: end--;
953: }
954: if (end == 0 || end == 1)
955: return (0);
956: buf++;
957: end--;
958:
959: /* It has to be a string so copy it. */
960: copy = xmalloc(end + 1);
961: memcpy(copy, buf, end);
962: copy[end] = '\0';
963:
964: /* Convert from base64. */
965: needed = (end / 4) * 3;
966: out = xmalloc(needed);
967: if ((outlen = b64_pton(copy, out, len)) == -1) {
968: free(out);
969: free(copy);
970: return (0);
971: }
972: free(copy);
973:
974: /* Create a new paste buffer. */
975: log_debug("%s: %.*s", __func__, outlen, out);
976: paste_add(out, outlen);
1.91 nicm 977:
978: return (0);
979: }
980:
981: /*
982: * Handle device attributes input. Returns 0 for success, -1 for failure, 1 for
983: * partial.
984: */
985: static int
986: tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
987: size_t *size)
988: {
1.94 nicm 989: struct client *c = tty->client;
1.92 nicm 990: u_int i, a, b;
991: char tmp[64], *endptr;
992: static const char *types[] = TTY_TYPES;
993: int type;
1.91 nicm 994:
995: *size = 0;
996:
997: /* First three bytes are always \033[?. */
998: if (buf[0] != '\033')
999: return (-1);
1000: if (len == 1)
1001: return (1);
1002: if (buf[1] != '[')
1003: return (-1);
1004: if (len == 2)
1005: return (1);
1006: if (buf[2] != '?')
1007: return (-1);
1008: if (len == 3)
1009: return (1);
1010:
1011: /* Copy the rest up to a 'c'. */
1012: for (i = 0; i < (sizeof tmp) - 1 && buf[3 + i] != 'c'; i++) {
1013: if (3 + i == len)
1014: return (1);
1015: tmp[i] = buf[3 + i];
1016: }
1017: if (i == (sizeof tmp) - 1)
1018: return (-1);
1019: tmp[i] = '\0';
1020: *size = 4 + i;
1021:
1022: /* Convert version numbers. */
1023: a = strtoul(tmp, &endptr, 10);
1024: if (*endptr == ';') {
1025: b = strtoul(endptr + 1, &endptr, 10);
1026: if (*endptr != '\0' && *endptr != ';')
1027: b = 0;
1028: } else
1029: a = b = 0;
1030:
1.94 nicm 1031: /* Store terminal type. */
1.92 nicm 1032: type = TTY_UNKNOWN;
1.91 nicm 1033: switch (a) {
1034: case 1:
1.92 nicm 1035: if (b == 2)
1036: type = TTY_VT100;
1037: else if (b == 0)
1038: type = TTY_VT101;
1.91 nicm 1039: break;
1040: case 6:
1.92 nicm 1041: type = TTY_VT102;
1.91 nicm 1042: break;
1043: case 62:
1.92 nicm 1044: type = TTY_VT220;
1.91 nicm 1045: break;
1046: case 63:
1.92 nicm 1047: type = TTY_VT320;
1.91 nicm 1048: break;
1049: case 64:
1.92 nicm 1050: type = TTY_VT420;
1.91 nicm 1051: break;
1052: }
1.92 nicm 1053: tty_set_type(tty, type);
1.35 nicm 1054:
1.94 nicm 1055: log_debug("%s: received DA %.*s (%s)", c->name, (int)*size, buf,
1056: types[type]);
1.22 nicm 1057: return (0);
1.1 nicm 1058: }
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