1 | /* $OpenBSD$ */ |
2 | |
3 | /* |
4 | * Copyright (c) 2008 Nicholas Marriott <[email protected]> |
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 | |
21 | #if defined(HAVE_CURSES_H) |
22 | #include <curses.h> |
23 | #elif defined(HAVE_NCURSES_H) |
24 | #include <ncurses.h> |
25 | #endif |
26 | #include <fnmatch.h> |
27 | #include <stdlib.h> |
28 | #include <string.h> |
29 | #include <term.h> |
30 | |
31 | #include "tmux.h" |
32 | |
33 | static void tty_term_override(struct tty_term *, const char *); |
34 | static char *tty_term_strip(const char *); |
35 | |
36 | struct tty_terms tty_terms = LIST_HEAD_INITIALIZER(tty_terms); |
37 | |
38 | enum tty_code_type { |
39 | TTYCODE_NONE = 0, |
40 | TTYCODE_STRING, |
41 | TTYCODE_NUMBER, |
42 | TTYCODE_FLAG, |
43 | }; |
44 | |
45 | struct tty_code { |
46 | enum tty_code_type type; |
47 | union { |
48 | char *string; |
49 | int number; |
50 | int flag; |
51 | } value; |
52 | }; |
53 | |
54 | struct tty_term_code_entry { |
55 | enum tty_code_type type; |
56 | const char *name; |
57 | }; |
58 | |
59 | static const struct tty_term_code_entry tty_term_codes[] = { |
60 | [TTYC_ACSC] = { TTYCODE_STRING, "acsc" }, |
61 | [TTYC_AX] = { TTYCODE_FLAG, "AX" }, |
62 | [TTYC_BCE] = { TTYCODE_FLAG, "bce" }, |
63 | [TTYC_BEL] = { TTYCODE_STRING, "bel" }, |
64 | [TTYC_BLINK] = { TTYCODE_STRING, "blink" }, |
65 | [TTYC_BOLD] = { TTYCODE_STRING, "bold" }, |
66 | [TTYC_CIVIS] = { TTYCODE_STRING, "civis" }, |
67 | [TTYC_CLEAR] = { TTYCODE_STRING, "clear" }, |
68 | [TTYC_CNORM] = { TTYCODE_STRING, "cnorm" }, |
69 | [TTYC_COLORS] = { TTYCODE_NUMBER, "colors" }, |
70 | [TTYC_CR] = { TTYCODE_STRING, "Cr" }, |
71 | [TTYC_CSR] = { TTYCODE_STRING, "csr" }, |
72 | [TTYC_CS] = { TTYCODE_STRING, "Cs" }, |
73 | [TTYC_CUB1] = { TTYCODE_STRING, "cub1" }, |
74 | [TTYC_CUB] = { TTYCODE_STRING, "cub" }, |
75 | [TTYC_CUD1] = { TTYCODE_STRING, "cud1" }, |
76 | [TTYC_CUD] = { TTYCODE_STRING, "cud" }, |
77 | [TTYC_CUF1] = { TTYCODE_STRING, "cuf1" }, |
78 | [TTYC_CUF] = { TTYCODE_STRING, "cuf" }, |
79 | [TTYC_CUP] = { TTYCODE_STRING, "cup" }, |
80 | [TTYC_CUU1] = { TTYCODE_STRING, "cuu1" }, |
81 | [TTYC_CUU] = { TTYCODE_STRING, "cuu" }, |
82 | [TTYC_CVVIS] = { TTYCODE_STRING, "cvvis" }, |
83 | [TTYC_DCH1] = { TTYCODE_STRING, "dch1" }, |
84 | [TTYC_DCH] = { TTYCODE_STRING, "dch" }, |
85 | [TTYC_DIM] = { TTYCODE_STRING, "dim" }, |
86 | [TTYC_DL1] = { TTYCODE_STRING, "dl1" }, |
87 | [TTYC_DL] = { TTYCODE_STRING, "dl" }, |
88 | [TTYC_E3] = { TTYCODE_STRING, "E3" }, |
89 | [TTYC_ECH] = { TTYCODE_STRING, "ech" }, |
90 | [TTYC_ED] = { TTYCODE_STRING, "ed" }, |
91 | [TTYC_EL1] = { TTYCODE_STRING, "el1" }, |
92 | [TTYC_EL] = { TTYCODE_STRING, "el" }, |
93 | [TTYC_ENACS] = { TTYCODE_STRING, "enacs" }, |
94 | [TTYC_FSL] = { TTYCODE_STRING, "fsl" }, |
95 | [TTYC_HOME] = { TTYCODE_STRING, "home" }, |
96 | [TTYC_HPA] = { TTYCODE_STRING, "hpa" }, |
97 | [TTYC_ICH1] = { TTYCODE_STRING, "ich1" }, |
98 | [TTYC_ICH] = { TTYCODE_STRING, "ich" }, |
99 | [TTYC_IL1] = { TTYCODE_STRING, "il1" }, |
100 | [TTYC_IL] = { TTYCODE_STRING, "il" }, |
101 | [TTYC_INDN] = { TTYCODE_STRING, "indn" }, |
102 | [TTYC_INVIS] = { TTYCODE_STRING, "invis" }, |
103 | [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" }, |
104 | [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" }, |
105 | [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" }, |
106 | [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" }, |
107 | [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" }, |
108 | [TTYC_KDC2] = { TTYCODE_STRING, "kDC" }, |
109 | [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" }, |
110 | [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" }, |
111 | [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" }, |
112 | [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" }, |
113 | [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" }, |
114 | [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" }, |
115 | [TTYC_KDN2] = { TTYCODE_STRING, "kDN" }, /* not kDN2 */ |
116 | [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" }, |
117 | [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" }, |
118 | [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" }, |
119 | [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" }, |
120 | [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" }, |
121 | [TTYC_KEND2] = { TTYCODE_STRING, "kEND" }, |
122 | [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" }, |
123 | [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" }, |
124 | [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" }, |
125 | [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" }, |
126 | [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" }, |
127 | [TTYC_KEND] = { TTYCODE_STRING, "kend" }, |
128 | [TTYC_KF10] = { TTYCODE_STRING, "kf10" }, |
129 | [TTYC_KF11] = { TTYCODE_STRING, "kf11" }, |
130 | [TTYC_KF12] = { TTYCODE_STRING, "kf12" }, |
131 | [TTYC_KF13] = { TTYCODE_STRING, "kf13" }, |
132 | [TTYC_KF14] = { TTYCODE_STRING, "kf14" }, |
133 | [TTYC_KF15] = { TTYCODE_STRING, "kf15" }, |
134 | [TTYC_KF16] = { TTYCODE_STRING, "kf16" }, |
135 | [TTYC_KF17] = { TTYCODE_STRING, "kf17" }, |
136 | [TTYC_KF18] = { TTYCODE_STRING, "kf18" }, |
137 | [TTYC_KF19] = { TTYCODE_STRING, "kf19" }, |
138 | [TTYC_KF1] = { TTYCODE_STRING, "kf1" }, |
139 | [TTYC_KF20] = { TTYCODE_STRING, "kf20" }, |
140 | [TTYC_KF21] = { TTYCODE_STRING, "kf21" }, |
141 | [TTYC_KF22] = { TTYCODE_STRING, "kf22" }, |
142 | [TTYC_KF23] = { TTYCODE_STRING, "kf23" }, |
143 | [TTYC_KF24] = { TTYCODE_STRING, "kf24" }, |
144 | [TTYC_KF25] = { TTYCODE_STRING, "kf25" }, |
145 | [TTYC_KF26] = { TTYCODE_STRING, "kf26" }, |
146 | [TTYC_KF27] = { TTYCODE_STRING, "kf27" }, |
147 | [TTYC_KF28] = { TTYCODE_STRING, "kf28" }, |
148 | [TTYC_KF29] = { TTYCODE_STRING, "kf29" }, |
149 | [TTYC_KF2] = { TTYCODE_STRING, "kf2" }, |
150 | [TTYC_KF30] = { TTYCODE_STRING, "kf30" }, |
151 | [TTYC_KF31] = { TTYCODE_STRING, "kf31" }, |
152 | [TTYC_KF32] = { TTYCODE_STRING, "kf32" }, |
153 | [TTYC_KF33] = { TTYCODE_STRING, "kf33" }, |
154 | [TTYC_KF34] = { TTYCODE_STRING, "kf34" }, |
155 | [TTYC_KF35] = { TTYCODE_STRING, "kf35" }, |
156 | [TTYC_KF36] = { TTYCODE_STRING, "kf36" }, |
157 | [TTYC_KF37] = { TTYCODE_STRING, "kf37" }, |
158 | [TTYC_KF38] = { TTYCODE_STRING, "kf38" }, |
159 | [TTYC_KF39] = { TTYCODE_STRING, "kf39" }, |
160 | [TTYC_KF3] = { TTYCODE_STRING, "kf3" }, |
161 | [TTYC_KF40] = { TTYCODE_STRING, "kf40" }, |
162 | [TTYC_KF41] = { TTYCODE_STRING, "kf41" }, |
163 | [TTYC_KF42] = { TTYCODE_STRING, "kf42" }, |
164 | [TTYC_KF43] = { TTYCODE_STRING, "kf43" }, |
165 | [TTYC_KF44] = { TTYCODE_STRING, "kf44" }, |
166 | [TTYC_KF45] = { TTYCODE_STRING, "kf45" }, |
167 | [TTYC_KF46] = { TTYCODE_STRING, "kf46" }, |
168 | [TTYC_KF47] = { TTYCODE_STRING, "kf47" }, |
169 | [TTYC_KF48] = { TTYCODE_STRING, "kf48" }, |
170 | [TTYC_KF49] = { TTYCODE_STRING, "kf49" }, |
171 | [TTYC_KF4] = { TTYCODE_STRING, "kf4" }, |
172 | [TTYC_KF50] = { TTYCODE_STRING, "kf50" }, |
173 | [TTYC_KF51] = { TTYCODE_STRING, "kf51" }, |
174 | [TTYC_KF52] = { TTYCODE_STRING, "kf52" }, |
175 | [TTYC_KF53] = { TTYCODE_STRING, "kf53" }, |
176 | [TTYC_KF54] = { TTYCODE_STRING, "kf54" }, |
177 | [TTYC_KF55] = { TTYCODE_STRING, "kf55" }, |
178 | [TTYC_KF56] = { TTYCODE_STRING, "kf56" }, |
179 | [TTYC_KF57] = { TTYCODE_STRING, "kf57" }, |
180 | [TTYC_KF58] = { TTYCODE_STRING, "kf58" }, |
181 | [TTYC_KF59] = { TTYCODE_STRING, "kf59" }, |
182 | [TTYC_KF5] = { TTYCODE_STRING, "kf5" }, |
183 | [TTYC_KF60] = { TTYCODE_STRING, "kf60" }, |
184 | [TTYC_KF61] = { TTYCODE_STRING, "kf61" }, |
185 | [TTYC_KF62] = { TTYCODE_STRING, "kf62" }, |
186 | [TTYC_KF63] = { TTYCODE_STRING, "kf63" }, |
187 | [TTYC_KF6] = { TTYCODE_STRING, "kf6" }, |
188 | [TTYC_KF7] = { TTYCODE_STRING, "kf7" }, |
189 | [TTYC_KF8] = { TTYCODE_STRING, "kf8" }, |
190 | [TTYC_KF9] = { TTYCODE_STRING, "kf9" }, |
191 | [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" }, |
192 | [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" }, |
193 | [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" }, |
194 | [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" }, |
195 | [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" }, |
196 | [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" }, |
197 | [TTYC_KHOME] = { TTYCODE_STRING, "khome" }, |
198 | [TTYC_KIC2] = { TTYCODE_STRING, "kIC" }, |
199 | [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" }, |
200 | [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" }, |
201 | [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" }, |
202 | [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" }, |
203 | [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" }, |
204 | [TTYC_KICH1] = { TTYCODE_STRING, "kich1" }, |
205 | [TTYC_KIND] = { TTYCODE_STRING, "kind" }, |
206 | [TTYC_KLFT2] = { TTYCODE_STRING, "kLFT" }, |
207 | [TTYC_KLFT3] = { TTYCODE_STRING, "kLFT3" }, |
208 | [TTYC_KLFT4] = { TTYCODE_STRING, "kLFT4" }, |
209 | [TTYC_KLFT5] = { TTYCODE_STRING, "kLFT5" }, |
210 | [TTYC_KLFT6] = { TTYCODE_STRING, "kLFT6" }, |
211 | [TTYC_KLFT7] = { TTYCODE_STRING, "kLFT7" }, |
212 | [TTYC_KMOUS] = { TTYCODE_STRING, "kmous" }, |
213 | [TTYC_KNP] = { TTYCODE_STRING, "knp" }, |
214 | [TTYC_KNXT2] = { TTYCODE_STRING, "kNXT" }, |
215 | [TTYC_KNXT3] = { TTYCODE_STRING, "kNXT3" }, |
216 | [TTYC_KNXT4] = { TTYCODE_STRING, "kNXT4" }, |
217 | [TTYC_KNXT5] = { TTYCODE_STRING, "kNXT5" }, |
218 | [TTYC_KNXT6] = { TTYCODE_STRING, "kNXT6" }, |
219 | [TTYC_KNXT7] = { TTYCODE_STRING, "kNXT7" }, |
220 | [TTYC_KPP] = { TTYCODE_STRING, "kpp" }, |
221 | [TTYC_KPRV2] = { TTYCODE_STRING, "kPRV" }, |
222 | [TTYC_KPRV3] = { TTYCODE_STRING, "kPRV3" }, |
223 | [TTYC_KPRV4] = { TTYCODE_STRING, "kPRV4" }, |
224 | [TTYC_KPRV5] = { TTYCODE_STRING, "kPRV5" }, |
225 | [TTYC_KPRV6] = { TTYCODE_STRING, "kPRV6" }, |
226 | [TTYC_KPRV7] = { TTYCODE_STRING, "kPRV7" }, |
227 | [TTYC_KRIT2] = { TTYCODE_STRING, "kRIT" }, |
228 | [TTYC_KRIT3] = { TTYCODE_STRING, "kRIT3" }, |
229 | [TTYC_KRIT4] = { TTYCODE_STRING, "kRIT4" }, |
230 | [TTYC_KRIT5] = { TTYCODE_STRING, "kRIT5" }, |
231 | [TTYC_KRIT6] = { TTYCODE_STRING, "kRIT6" }, |
232 | [TTYC_KRIT7] = { TTYCODE_STRING, "kRIT7" }, |
233 | [TTYC_KRI] = { TTYCODE_STRING, "kri" }, |
234 | [TTYC_KUP2] = { TTYCODE_STRING, "kUP" }, /* not kUP2 */ |
235 | [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" }, |
236 | [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" }, |
237 | [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" }, |
238 | [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" }, |
239 | [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" }, |
240 | [TTYC_MS] = { TTYCODE_STRING, "Ms" }, |
241 | [TTYC_OP] = { TTYCODE_STRING, "op" }, |
242 | [TTYC_REV] = { TTYCODE_STRING, "rev" }, |
243 | [TTYC_RGB] = { TTYCODE_FLAG, "RGB" }, |
244 | [TTYC_RI] = { TTYCODE_STRING, "ri" }, |
245 | [TTYC_RIN] = { TTYCODE_STRING, "rin" }, |
246 | [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" }, |
247 | [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" }, |
248 | [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" }, |
249 | [TTYC_SETAB] = { TTYCODE_STRING, "setab" }, |
250 | [TTYC_SETAF] = { TTYCODE_STRING, "setaf" }, |
251 | [TTYC_SETRGBB] = { TTYCODE_STRING, "setrgbb" }, |
252 | [TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" }, |
253 | [TTYC_SETULC] = { TTYCODE_STRING, "Setulc" }, |
254 | [TTYC_SE] = { TTYCODE_STRING, "Se" }, |
255 | [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" }, |
256 | [TTYC_SITM] = { TTYCODE_STRING, "sitm" }, |
257 | [TTYC_SMACS] = { TTYCODE_STRING, "smacs" }, |
258 | [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" }, |
259 | [TTYC_SMKX] = { TTYCODE_STRING, "smkx" }, |
260 | [TTYC_SMOL] = { TTYCODE_STRING, "Smol" }, |
261 | [TTYC_SMSO] = { TTYCODE_STRING, "smso" }, |
262 | [TTYC_SMULX] = { TTYCODE_STRING, "Smulx" }, |
263 | [TTYC_SMUL] = { TTYCODE_STRING, "smul" }, |
264 | [TTYC_SMXX] = { TTYCODE_STRING, "smxx" }, |
265 | [TTYC_SS] = { TTYCODE_STRING, "Ss" }, |
266 | [TTYC_TC] = { TTYCODE_FLAG, "Tc" }, |
267 | [TTYC_TSL] = { TTYCODE_STRING, "tsl" }, |
268 | [TTYC_U8] = { TTYCODE_NUMBER, "U8" }, |
269 | [TTYC_VPA] = { TTYCODE_STRING, "vpa" }, |
270 | [TTYC_XENL] = { TTYCODE_FLAG, "xenl" }, |
271 | [TTYC_XT] = { TTYCODE_FLAG, "XT" }, |
272 | }; |
273 | |
274 | u_int |
275 | tty_term_ncodes(void) |
276 | { |
277 | return (nitems(tty_term_codes)); |
278 | } |
279 | |
280 | static char * |
281 | tty_term_strip(const char *s) |
282 | { |
283 | const char *ptr; |
284 | static char buf[8192]; |
285 | size_t len; |
286 | |
287 | /* Ignore strings with no padding. */ |
288 | if (strchr(s, '$') == NULL) |
289 | return (xstrdup(s)); |
290 | |
291 | len = 0; |
292 | for (ptr = s; *ptr != '\0'; ptr++) { |
293 | if (*ptr == '$' && *(ptr + 1) == '<') { |
294 | while (*ptr != '\0' && *ptr != '>') |
295 | ptr++; |
296 | if (*ptr == '>') |
297 | ptr++; |
298 | } |
299 | |
300 | buf[len++] = *ptr; |
301 | if (len == (sizeof buf) - 1) |
302 | break; |
303 | } |
304 | buf[len] = '\0'; |
305 | |
306 | return (xstrdup(buf)); |
307 | } |
308 | |
309 | static char * |
310 | tty_term_override_next(const char *s, size_t *offset) |
311 | { |
312 | static char value[8192]; |
313 | size_t n = 0, at = *offset; |
314 | |
315 | if (s[at] == '\0') |
316 | return (NULL); |
317 | |
318 | while (s[at] != '\0') { |
319 | if (s[at] == ':') { |
320 | if (s[at + 1] == ':') { |
321 | value[n++] = ':'; |
322 | at += 2; |
323 | } else |
324 | break; |
325 | } else { |
326 | value[n++] = s[at]; |
327 | at++; |
328 | } |
329 | if (n == (sizeof value) - 1) |
330 | return (NULL); |
331 | } |
332 | if (s[at] != '\0') |
333 | *offset = at + 1; |
334 | else |
335 | *offset = at; |
336 | value[n] = '\0'; |
337 | return (value); |
338 | } |
339 | |
340 | static void |
341 | tty_term_override(struct tty_term *term, const char *override) |
342 | { |
343 | const struct tty_term_code_entry *ent; |
344 | struct tty_code *code; |
345 | size_t offset = 0; |
346 | char *cp, *value, *s; |
347 | const char *errstr; |
348 | u_int i; |
349 | int n, remove; |
350 | |
351 | s = tty_term_override_next(override, &offset); |
352 | if (s == NULL || fnmatch(s, term->name, 0) != 0) |
353 | return; |
354 | |
355 | while ((s = tty_term_override_next(override, &offset)) != NULL) { |
356 | if (*s == '\0') |
357 | continue; |
358 | value = NULL; |
359 | |
360 | remove = 0; |
361 | if ((cp = strchr(s, '=')) != NULL) { |
362 | *cp++ = '\0'; |
363 | value = xstrdup(cp); |
364 | if (strunvis(value, cp) == -1) { |
365 | free(value); |
366 | value = xstrdup(cp); |
367 | } |
368 | } else if (s[strlen(s) - 1] == '@') { |
369 | s[strlen(s) - 1] = '\0'; |
370 | remove = 1; |
371 | } else |
372 | value = xstrdup("" ); |
373 | |
374 | if (remove) |
375 | log_debug("%s override: %s@" , term->name, s); |
376 | else if (*value == '\0') |
377 | log_debug("%s override: %s" , term->name, s); |
378 | else |
379 | log_debug("%s override: %s=%s" , term->name, s, value); |
380 | |
381 | for (i = 0; i < tty_term_ncodes(); i++) { |
382 | ent = &tty_term_codes[i]; |
383 | if (strcmp(s, ent->name) != 0) |
384 | continue; |
385 | code = &term->codes[i]; |
386 | |
387 | if (remove) { |
388 | code->type = TTYCODE_NONE; |
389 | continue; |
390 | } |
391 | switch (ent->type) { |
392 | case TTYCODE_NONE: |
393 | break; |
394 | case TTYCODE_STRING: |
395 | if (code->type == TTYCODE_STRING) |
396 | free(code->value.string); |
397 | code->value.string = xstrdup(value); |
398 | code->type = ent->type; |
399 | break; |
400 | case TTYCODE_NUMBER: |
401 | n = strtonum(value, 0, INT_MAX, &errstr); |
402 | if (errstr != NULL) |
403 | break; |
404 | code->value.number = n; |
405 | code->type = ent->type; |
406 | break; |
407 | case TTYCODE_FLAG: |
408 | code->value.flag = 1; |
409 | code->type = ent->type; |
410 | break; |
411 | } |
412 | } |
413 | |
414 | free(value); |
415 | } |
416 | } |
417 | |
418 | struct tty_term * |
419 | tty_term_find(char *name, int fd, char **cause) |
420 | { |
421 | struct tty_term *term; |
422 | const struct tty_term_code_entry *ent; |
423 | struct tty_code *code; |
424 | struct options_entry *o; |
425 | struct options_array_item *a; |
426 | union options_value *ov; |
427 | u_int i; |
428 | int n, error; |
429 | const char *s, *acs; |
430 | |
431 | LIST_FOREACH(term, &tty_terms, entry) { |
432 | if (strcmp(term->name, name) == 0) { |
433 | term->references++; |
434 | return (term); |
435 | } |
436 | } |
437 | log_debug("new term: %s" , name); |
438 | |
439 | term = xmalloc(sizeof *term); |
440 | term->name = xstrdup(name); |
441 | term->references = 1; |
442 | term->flags = 0; |
443 | term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes); |
444 | LIST_INSERT_HEAD(&tty_terms, term, entry); |
445 | |
446 | /* Set up curses terminal. */ |
447 | if (setupterm(name, fd, &error) != OK) { |
448 | switch (error) { |
449 | case 1: |
450 | xasprintf(cause, "can't use hardcopy terminal: %s" , |
451 | name); |
452 | break; |
453 | case 0: |
454 | xasprintf(cause, "missing or unsuitable terminal: %s" , |
455 | name); |
456 | break; |
457 | case -1: |
458 | xasprintf(cause, "can't find terminfo database" ); |
459 | break; |
460 | default: |
461 | xasprintf(cause, "unknown error" ); |
462 | break; |
463 | } |
464 | goto error; |
465 | } |
466 | |
467 | /* Fill in codes. */ |
468 | for (i = 0; i < tty_term_ncodes(); i++) { |
469 | ent = &tty_term_codes[i]; |
470 | |
471 | code = &term->codes[i]; |
472 | code->type = TTYCODE_NONE; |
473 | switch (ent->type) { |
474 | case TTYCODE_NONE: |
475 | break; |
476 | case TTYCODE_STRING: |
477 | s = tigetstr((char *) ent->name); |
478 | if (s == NULL || s == (char *) -1) |
479 | break; |
480 | code->type = TTYCODE_STRING; |
481 | code->value.string = tty_term_strip(s); |
482 | break; |
483 | case TTYCODE_NUMBER: |
484 | n = tigetnum((char *) ent->name); |
485 | if (n == -1 || n == -2) |
486 | break; |
487 | code->type = TTYCODE_NUMBER; |
488 | code->value.number = n; |
489 | break; |
490 | case TTYCODE_FLAG: |
491 | n = tigetflag((char *) ent->name); |
492 | if (n == -1) |
493 | break; |
494 | code->type = TTYCODE_FLAG; |
495 | code->value.flag = n; |
496 | break; |
497 | } |
498 | } |
499 | |
500 | /* Apply terminal overrides. */ |
501 | o = options_get_only(global_options, "terminal-overrides" ); |
502 | a = options_array_first(o); |
503 | while (a != NULL) { |
504 | ov = options_array_item_value(a); |
505 | tty_term_override(term, ov->string); |
506 | a = options_array_next(a); |
507 | } |
508 | |
509 | /* Delete curses data. */ |
510 | #if !defined(NCURSES_VERSION_MAJOR) || NCURSES_VERSION_MAJOR > 5 || \ |
511 | (NCURSES_VERSION_MAJOR == 5 && NCURSES_VERSION_MINOR > 6) |
512 | del_curterm(cur_term); |
513 | #endif |
514 | |
515 | /* These are always required. */ |
516 | if (!tty_term_has(term, TTYC_CLEAR)) { |
517 | xasprintf(cause, "terminal does not support clear" ); |
518 | goto error; |
519 | } |
520 | if (!tty_term_has(term, TTYC_CUP)) { |
521 | xasprintf(cause, "terminal does not support cup" ); |
522 | goto error; |
523 | } |
524 | |
525 | /* These can be emulated so one of the two is required. */ |
526 | if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) { |
527 | xasprintf(cause, "terminal does not support cud1 or cud" ); |
528 | goto error; |
529 | } |
530 | |
531 | /* Set flag if terminal has 256 colours. */ |
532 | if (tty_term_number(term, TTYC_COLORS) >= 256) |
533 | term->flags |= TERM_256COLOURS; |
534 | |
535 | /* Set flag if terminal has RGB colours. */ |
536 | if ((tty_term_flag(term, TTYC_TC) || tty_term_has(term, TTYC_RGB)) || |
537 | (tty_term_has(term, TTYC_SETRGBF) && |
538 | tty_term_has(term, TTYC_SETRGBB))) |
539 | term->flags |= TERM_RGBCOLOURS; |
540 | |
541 | /* |
542 | * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1 |
543 | * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1). |
544 | * |
545 | * This is irritating, most notably because it is impossible to write |
546 | * to the very bottom-right of the screen without scrolling. |
547 | * |
548 | * Flag the terminal here and apply some workarounds in other places to |
549 | * do the best possible. |
550 | */ |
551 | if (!tty_term_flag(term, TTYC_XENL)) |
552 | term->flags |= TERM_NOXENL; |
553 | |
554 | /* Generate ACS table. If none is present, use nearest ASCII. */ |
555 | memset(term->acs, 0, sizeof term->acs); |
556 | if (tty_term_has(term, TTYC_ACSC)) |
557 | acs = tty_term_string(term, TTYC_ACSC); |
558 | else |
559 | acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~." ; |
560 | for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2) |
561 | term->acs[(u_char) acs[0]][0] = acs[1]; |
562 | |
563 | /* On terminals with xterm titles (XT), fill in tsl and fsl. */ |
564 | if (tty_term_flag(term, TTYC_XT) && |
565 | !tty_term_has(term, TTYC_TSL) && |
566 | !tty_term_has(term, TTYC_FSL)) { |
567 | code = &term->codes[TTYC_TSL]; |
568 | code->value.string = xstrdup("\033]0;" ); |
569 | code->type = TTYCODE_STRING; |
570 | code = &term->codes[TTYC_FSL]; |
571 | code->value.string = xstrdup("\007" ); |
572 | code->type = TTYCODE_STRING; |
573 | } |
574 | |
575 | /* Log the capabilities. */ |
576 | for (i = 0; i < tty_term_ncodes(); i++) |
577 | log_debug("%s%s" , name, tty_term_describe(term, i)); |
578 | |
579 | return (term); |
580 | |
581 | error: |
582 | tty_term_free(term); |
583 | return (NULL); |
584 | } |
585 | |
586 | void |
587 | tty_term_free(struct tty_term *term) |
588 | { |
589 | u_int i; |
590 | |
591 | if (--term->references != 0) |
592 | return; |
593 | |
594 | LIST_REMOVE(term, entry); |
595 | |
596 | for (i = 0; i < tty_term_ncodes(); i++) { |
597 | if (term->codes[i].type == TTYCODE_STRING) |
598 | free(term->codes[i].value.string); |
599 | } |
600 | free(term->codes); |
601 | |
602 | free(term->name); |
603 | free(term); |
604 | } |
605 | |
606 | int |
607 | tty_term_has(struct tty_term *term, enum tty_code_code code) |
608 | { |
609 | return (term->codes[code].type != TTYCODE_NONE); |
610 | } |
611 | |
612 | const char * |
613 | tty_term_string(struct tty_term *term, enum tty_code_code code) |
614 | { |
615 | if (!tty_term_has(term, code)) |
616 | return ("" ); |
617 | if (term->codes[code].type != TTYCODE_STRING) |
618 | fatalx("not a string: %d" , code); |
619 | return (term->codes[code].value.string); |
620 | } |
621 | |
622 | const char * |
623 | tty_term_string1(struct tty_term *term, enum tty_code_code code, int a) |
624 | { |
625 | return (tparm((char *) tty_term_string(term, code), a, 0, 0, 0, 0, 0, 0, 0, 0)); |
626 | } |
627 | |
628 | const char * |
629 | tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b) |
630 | { |
631 | return (tparm((char *) tty_term_string(term, code), a, b, 0, 0, 0, 0, 0, 0, 0)); |
632 | } |
633 | |
634 | const char * |
635 | tty_term_string3(struct tty_term *term, enum tty_code_code code, int a, int b, |
636 | int c) |
637 | { |
638 | return (tparm((char *) tty_term_string(term, code), a, b, c, 0, 0, 0, 0, 0, 0)); |
639 | } |
640 | |
641 | const char * |
642 | tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a) |
643 | { |
644 | return (tparm((char *) tty_term_string(term, code), (long)a, 0, 0, 0, 0, 0, 0, 0, 0)); |
645 | } |
646 | |
647 | const char * |
648 | tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a, |
649 | const void *b) |
650 | { |
651 | return (tparm((char *) tty_term_string(term, code), (long)a, (long)b, 0, 0, 0, 0, 0, 0, 0)); |
652 | } |
653 | |
654 | int |
655 | tty_term_number(struct tty_term *term, enum tty_code_code code) |
656 | { |
657 | if (!tty_term_has(term, code)) |
658 | return (0); |
659 | if (term->codes[code].type != TTYCODE_NUMBER) |
660 | fatalx("not a number: %d" , code); |
661 | return (term->codes[code].value.number); |
662 | } |
663 | |
664 | int |
665 | tty_term_flag(struct tty_term *term, enum tty_code_code code) |
666 | { |
667 | if (!tty_term_has(term, code)) |
668 | return (0); |
669 | if (term->codes[code].type != TTYCODE_FLAG) |
670 | fatalx("not a flag: %d" , code); |
671 | return (term->codes[code].value.flag); |
672 | } |
673 | |
674 | const char * |
675 | tty_term_describe(struct tty_term *term, enum tty_code_code code) |
676 | { |
677 | static char s[256]; |
678 | char out[128]; |
679 | |
680 | switch (term->codes[code].type) { |
681 | case TTYCODE_NONE: |
682 | xsnprintf(s, sizeof s, "%4u: %s: [missing]" , |
683 | code, tty_term_codes[code].name); |
684 | break; |
685 | case TTYCODE_STRING: |
686 | strnvis(out, term->codes[code].value.string, sizeof out, |
687 | VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL); |
688 | xsnprintf(s, sizeof s, "%4u: %s: (string) %s" , |
689 | code, tty_term_codes[code].name, |
690 | out); |
691 | break; |
692 | case TTYCODE_NUMBER: |
693 | xsnprintf(s, sizeof s, "%4u: %s: (number) %d" , |
694 | code, tty_term_codes[code].name, |
695 | term->codes[code].value.number); |
696 | break; |
697 | case TTYCODE_FLAG: |
698 | xsnprintf(s, sizeof s, "%4u: %s: (flag) %s" , |
699 | code, tty_term_codes[code].name, |
700 | term->codes[code].value.flag ? "true" : "false" ); |
701 | break; |
702 | } |
703 | return (s); |
704 | } |
705 | |