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util.c revision 1.32
      1 /*	$NetBSD: util.c,v 1.32 2018/11/23 06:31:57 mlelstv Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998, 2006, 2012 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Juergen Hannken-Illjes and Julio M. Merino Vidal.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/time.h>
     33 
     34 #include <dev/wscons/wsconsio.h>
     35 #include <dev/wscons/wsksymdef.h>
     36 
     37 #include <err.h>
     38 #include <errno.h>
     39 #include <limits.h>
     40 #include <stdio.h>
     41 #include <stdlib.h>
     42 #include <string.h>
     43 #include <unistd.h>
     44 
     45 #include "wsconsctl.h"
     46 
     47 #define TABLEN(t)		(sizeof(t)/sizeof(t[0]))
     48 
     49 extern struct wskbd_map_data kbmap;	/* from keyboard.c */
     50 extern struct wskbd_map_data newkbmap;	/* from map_parse.y */
     51 
     52 struct nameint {
     53 	int value;
     54 	const char *name;
     55 };
     56 
     57 static struct nameint kbtype_tab[] = {
     58 	{ WSKBD_TYPE_LK201,		"lk201" },
     59 	{ WSKBD_TYPE_LK401,		"lk401" },
     60 	{ WSKBD_TYPE_PC_XT,		"pc-xt" },
     61 	{ WSKBD_TYPE_PC_AT,		"pc-at" },
     62 	{ WSKBD_TYPE_USB,		"usb" },
     63 	{ WSKBD_TYPE_HPC_KBD,		"hpc-kbd" },
     64 	{ WSKBD_TYPE_HPC_BTN,		"hpc-btn" },
     65 	{ WSKBD_TYPE_ARCHIMEDES,	"archimedes" },
     66 	{ WSKBD_TYPE_RISCPC,		"riscpc" },
     67 	{ WSKBD_TYPE_ADB,		"adb" },
     68 	{ WSKBD_TYPE_HIL,		"hil" },
     69 	{ WSKBD_TYPE_AMIGA,		"amiga" },
     70 	{ WSKBD_TYPE_MAPLE,		"maple" },
     71 	{ WSKBD_TYPE_ATARI,		"atari" },
     72 	{ WSKBD_TYPE_SUN,		"sun" },
     73 	{ WSKBD_TYPE_SUN5,		"sun-type5" },
     74 	{ WSKBD_TYPE_SGI,		"sgi" },
     75 	{ WSKBD_TYPE_MATRIXKP,		"matrix-keypad" },
     76 	{ WSKBD_TYPE_BLUETOOTH,		"bluetooth" },
     77 };
     78 
     79 static struct nameint mstype_tab[] = {
     80 	{ WSMOUSE_TYPE_VSXXX,		"dec-tc" },
     81 	{ WSMOUSE_TYPE_PS2,		"ps2" },
     82 	{ WSMOUSE_TYPE_USB,		"usb" },
     83 	{ WSMOUSE_TYPE_LMS,		"logitech-bus" },
     84 	{ WSMOUSE_TYPE_MMS,		"ms-inport" },
     85 	{ WSMOUSE_TYPE_TPANEL,		"touch-panel" },
     86 	{ WSMOUSE_TYPE_NEXT,		"next" },
     87 	{ WSMOUSE_TYPE_ARCHIMEDES,	"archimedes" },
     88 	{ WSMOUSE_TYPE_HIL,		"hil" },
     89 	{ WSMOUSE_TYPE_AMIGA,		"amiga" },
     90 	{ WSMOUSE_TYPE_MAXINE,		"dec-maxine" },
     91 	{ WSMOUSE_TYPE_MAPLE,		"maple" },
     92 	{ WSMOUSE_TYPE_BLUETOOTH,	"bluetooth" },
     93 };
     94 
     95 static struct nameint dpytype_tab[] = {
     96 	{ WSDISPLAY_TYPE_UNKNOWN,	"unknown" },
     97 	{ WSDISPLAY_TYPE_PM_MONO,	"dec-pm-mono" },
     98 	{ WSDISPLAY_TYPE_PM_COLOR,	"dec-pm-color" },
     99 	{ WSDISPLAY_TYPE_CFB,		"dec-cfb" },
    100 	{ WSDISPLAY_TYPE_XCFB,		"dec-xcfb" },
    101 	{ WSDISPLAY_TYPE_MFB,		"dec-mfb" },
    102 	{ WSDISPLAY_TYPE_SFB,		"dec-sfb" },
    103 	{ WSDISPLAY_TYPE_ISAVGA,	"vga-isa" },
    104 	{ WSDISPLAY_TYPE_PCIVGA,	"vga-pci" },
    105 	{ WSDISPLAY_TYPE_TGA,		"dec-tga-pci" },
    106 	{ WSDISPLAY_TYPE_SFBP,		"dec-sfb+" },
    107 	{ WSDISPLAY_TYPE_PCIMISC,	"generic-pci" },
    108 	{ WSDISPLAY_TYPE_NEXTMONO,	"next-mono" },
    109 	{ WSDISPLAY_TYPE_PX,		"dec-px" },
    110 	{ WSDISPLAY_TYPE_PXG,		"dec-pxg" },
    111 	{ WSDISPLAY_TYPE_TX,		"dec-tx" },
    112 	{ WSDISPLAY_TYPE_HPCFB,		"generic-hpc" },
    113 	{ WSDISPLAY_TYPE_VIDC,		"arm-vidc" },
    114 	{ WSDISPLAY_TYPE_SPX,		"dec-spx" },
    115 	{ WSDISPLAY_TYPE_GPX,		"dec-gpx" },
    116 	{ WSDISPLAY_TYPE_LCG,		"dec-lcg" },
    117 	{ WSDISPLAY_TYPE_VAX_MONO,	"dec-vax-mono" },
    118 	{ WSDISPLAY_TYPE_SB_P9100,	"sparcbook-p9100" },
    119 	{ WSDISPLAY_TYPE_EGA,		"ega" },
    120 	{ WSDISPLAY_TYPE_DCPVR,		"dreamcast-pvr" },
    121 	{ WSDISPLAY_TYPE_GBOX,		"hp-gator" },
    122 	{ WSDISPLAY_TYPE_TOPCAT,	"hp-topcat" },
    123 	{ WSDISPLAY_TYPE_RBOX,		"hp-renaissance" },
    124 	{ WSDISPLAY_TYPE_CATSEYE,	"hp-catseye" },
    125 	{ WSDISPLAY_TYPE_DVBOX,		"hp-davinci" },
    126 	{ WSDISPLAY_TYPE_TVRX,		"hp-tiger" },
    127 	{ WSDISPLAY_TYPE_HYPERION,	"hp-hyperion" },
    128 	{ WSDISPLAY_TYPE_AMIGACC,	"amiga-cc" },
    129 	{ WSDISPLAY_TYPE_GRF,		"grf" },
    130 	{ WSDISPLAY_TYPE_SUN24,		"sun24" },
    131 	{ WSDISPLAY_TYPE_NEWPORT,	"sgi-newport" },
    132 	{ WSDISPLAY_TYPE_GR2,		"sgi-gr2" },
    133 	{ WSDISPLAY_TYPE_SUNCG12,	"suncg12" },
    134 	{ WSDISPLAY_TYPE_SUNCG14,	"suncg14" },
    135 	{ WSDISPLAY_TYPE_SUNTCX,	"suntcx" },
    136 	{ WSDISPLAY_TYPE_SUNFFB,	"sunffb" },
    137 };
    138 
    139 static struct nameint kbdenc_tab[] = {
    140 	KB_ENCTAB
    141 };
    142 
    143 static struct nameint kbdvar_tab[] = {
    144 	KB_VARTAB
    145 };
    146 
    147 static struct nameint color_tab[] = {
    148 	{ WSCOL_UNSUPPORTED,		"unsupported" },
    149 	{ WSCOL_BLACK,			"black" },
    150 	{ WSCOL_RED,			"red" },
    151 	{ WSCOL_GREEN,			"green" },
    152 	{ WSCOL_BROWN,			"brown" },
    153 	{ WSCOL_BLUE,			"blue" },
    154 	{ WSCOL_MAGENTA,		"magenta" },
    155 	{ WSCOL_CYAN,			"cyan" },
    156 	{ WSCOL_WHITE,			"white" },
    157 };
    158 
    159 static struct nameint attr_tab[] = {
    160 	{ WSATTR_NONE,			"none" },
    161 	{ WSATTR_REVERSE,		"reverse" },
    162 	{ WSATTR_HILIT,			"hilit" },
    163 	{ WSATTR_BLINK,			"blink" },
    164 	{ WSATTR_UNDERLINE,		"underline" },
    165 	{ WSATTR_WSCOLORS,		"color" },
    166 };
    167 
    168 static struct field *field_tab;
    169 static int field_tab_len;
    170 
    171 static const char *int2name(int, int, struct nameint *, int);
    172 static int name2int(char *, struct nameint *, int);
    173 static void print_kmap(struct wskbd_map_data *);
    174 static unsigned int rd_bitfield(const char *);
    175 static void pr_bitfield(unsigned int);
    176 
    177 void
    178 field_setup(struct field *ftab, int len)
    179 {
    180 
    181 	field_tab = ftab;
    182 	field_tab_len = len;
    183 }
    184 
    185 struct field *
    186 field_by_name(char *name)
    187 {
    188 	int i;
    189 
    190 	for (i = 0; i < field_tab_len; i++)
    191 		if (strcmp(field_tab[i].name, name) == 0)
    192 			return field_tab + i;
    193 
    194 	errx(EXIT_FAILURE, "%s: not found", name);
    195 }
    196 
    197 struct field *
    198 field_by_value(void *addr)
    199 {
    200 	int i;
    201 
    202 	for (i = 0; i < field_tab_len; i++)
    203 		if (field_tab[i].valp == addr)
    204 			return field_tab + i;
    205 
    206 	errx(EXIT_FAILURE, "internal error: field_by_value: not found");
    207 }
    208 
    209 void
    210 field_disable_by_value(void *addr)
    211 {
    212 	struct field *f;
    213 
    214 	f = field_by_value(addr);
    215 	f->flags |= FLG_DISABLED;
    216 }
    217 
    218 static const char *
    219 int2name(int val, int uflag, struct nameint *tab, int len)
    220 {
    221 	static char tmp[20];
    222 	int i;
    223 
    224 	for (i = 0; i < len; i++)
    225 		if (tab[i].value == val)
    226 			return tab[i].name;
    227 
    228 	if (uflag) {
    229 		(void)snprintf(tmp, sizeof(tmp), "unknown_%d", val);
    230 		return tmp;
    231 	} else
    232 		return NULL;
    233 }
    234 
    235 static int
    236 name2int(char *val, struct nameint *tab, int len)
    237 {
    238 	int i;
    239 
    240 	for (i = 0; i < len; i++)
    241 		if (strcmp(tab[i].name, val) == 0)
    242 			return tab[i].value;
    243 	return -1;
    244 }
    245 
    246 void
    247 pr_field(struct field *f, const char *sep)
    248 {
    249 	const char *p;
    250 	unsigned int flags;
    251 	int first, i, mask;
    252 
    253 	if (sep)
    254 		(void)printf("%s%s", f->name, sep);
    255 
    256 	switch (f->format) {
    257 	case FMT_UINT:
    258 		(void)printf("%u", *((unsigned int *) f->valp));
    259 		break;
    260 	case FMT_INT:
    261 		(void)printf("%d", *((int *) f->valp));
    262 		break;
    263 	case FMT_STRING:
    264 		(void)printf("\"%s\"", *((char **) f->valp));
    265 		break;
    266 	case FMT_BITFIELD:
    267 		pr_bitfield(*((unsigned int *) f->valp));
    268 		break;
    269 	case FMT_KBDTYPE:
    270 		p = int2name(*((unsigned int *) f->valp), 1,
    271 		    kbtype_tab, TABLEN(kbtype_tab));
    272 		(void)printf("%s", p);
    273 		break;
    274 	case FMT_MSTYPE:
    275 		p = int2name(*((unsigned int *) f->valp), 1,
    276 		    mstype_tab, TABLEN(mstype_tab));
    277 		(void)printf("%s", p);
    278 		break;
    279 	case FMT_DPYTYPE:
    280 		p = int2name(*((unsigned int *) f->valp), 1,
    281 		    dpytype_tab, TABLEN(dpytype_tab));
    282 		(void)printf("%s", p);
    283 		break;
    284 	case FMT_KBDENC:
    285 		p = int2name(KB_ENCODING(*((unsigned int *) f->valp)), 1,
    286 		    kbdenc_tab, TABLEN(kbdenc_tab));
    287 		(void)printf("%s", p);
    288 
    289 		flags = KB_VARIANT(*((unsigned int *) f->valp));
    290 		for (i = 0; i < 32; i++) {
    291 			if (!(flags & (1 << i)))
    292 				continue;
    293 			p = int2name(flags & (1 << i), 1,
    294 			    kbdvar_tab, TABLEN(kbdvar_tab));
    295 			(void)printf(".%s", p);
    296 		}
    297 		break;
    298 	case FMT_KBMAP:
    299 		print_kmap((struct wskbd_map_data *) f->valp);
    300 		break;
    301 	case FMT_COLOR:
    302 		p = int2name(*((unsigned int *) f->valp), 1,
    303 		    color_tab, TABLEN(color_tab));
    304 		(void)printf("%s", p);
    305 		break;
    306 	case FMT_ATTRS:
    307 		mask = 0x10;
    308 		first = 1;
    309 		while (mask > 0) {
    310 			if (*((unsigned int *) f->valp) & mask) {
    311 				p = int2name(*((unsigned int *) f->valp) & mask,
    312 				    1, attr_tab, TABLEN(attr_tab));
    313 				(void)printf("%s%s", first ? "" : ",", p);
    314 				first = 0;
    315 			}
    316 			mask >>= 1;
    317 		}
    318 		if (first)
    319 			(void)printf("none");
    320 		break;
    321 	default:
    322 		errx(EXIT_FAILURE, "internal error: pr_field: no format %d",
    323 		    f->format);
    324 		break;
    325 	}
    326 
    327 	(void)printf("\n");
    328 }
    329 
    330 static void
    331 pr_bitfield(unsigned int f)
    332 {
    333 
    334 	if (f == 0)
    335 		(void)printf("none");
    336 	else {
    337 		unsigned int i;
    338 		int first, mask;
    339 
    340 		for (i = 0, first = 1, mask = 1; i < sizeof(f) * 8; i++) {
    341 			if (f & mask) {
    342 				(void)printf("%s%u", first ? "" : " ", i);
    343 				first = 0;
    344 			}
    345 			mask = mask << 1;
    346 		}
    347 	}
    348 }
    349 
    350 void
    351 rd_field(struct field *f, char *val, int merge)
    352 {
    353 	int i;
    354 	unsigned int u;
    355 	char *p;
    356 	struct wscons_keymap *mp;
    357 
    358 	switch (f->format) {
    359 	case FMT_UINT:
    360 		if (sscanf(val, "%u", &u) != 1)
    361 			errx(EXIT_FAILURE, "%s: not a number", val);
    362 		if (merge)
    363 			*((unsigned int *) f->valp) += u;
    364 		else
    365 			*((unsigned int *) f->valp) = u;
    366 		break;
    367 	case FMT_INT:
    368 		if (sscanf(val, "%d", &i) != 1)
    369 			errx(EXIT_FAILURE, "%s: not a number", val);
    370 		if (merge)
    371 			*((int *) f->valp) += i;
    372 		else
    373 			*((int *) f->valp) = i;
    374 		break;
    375 	case FMT_STRING:
    376 		if ((*((char **) f->valp) = strdup(val)) == NULL)
    377 			err(EXIT_FAILURE, "strdup");
    378 		break;
    379 	case FMT_BITFIELD:
    380 		*((unsigned int *) f->valp) = rd_bitfield(val);
    381 		break;
    382 	case FMT_KBDENC:
    383 		p = strchr(val, '.');
    384 		if (p != NULL)
    385 			*p++ = '\0';
    386 
    387 		i = name2int(val, kbdenc_tab, TABLEN(kbdenc_tab));
    388 		if (i == -1)
    389 			errx(EXIT_FAILURE, "%s: not a valid encoding", val);
    390 		*((unsigned int *) f->valp) = i;
    391 
    392 		while (p) {
    393 			val = p;
    394 			p = strchr(p, '.');
    395 			if (p != NULL)
    396 				*p++ = '\0';
    397 			i = name2int(val, kbdvar_tab, TABLEN(kbdvar_tab));
    398 			if (i == -1)
    399 				errx(EXIT_FAILURE, "%s: not a valid variant",
    400 				    val);
    401 			*((unsigned int *) f->valp) |= i;
    402 		}
    403 		break;
    404 	case FMT_KBMAP:
    405 		if (! merge)
    406 			kbmap.maplen = 0;
    407 		map_scan_setinput(val);
    408 		yyparse();
    409 		if (merge) {
    410 			if (newkbmap.maplen < kbmap.maplen)
    411 				newkbmap.maplen = kbmap.maplen;
    412 			for (u = 0; u < kbmap.maplen; u++) {
    413 				mp = newkbmap.map + u;
    414 				if (mp->command == KS_voidSymbol &&
    415 				    mp->group1[0] == KS_voidSymbol &&
    416 				    mp->group1[1] == KS_voidSymbol &&
    417 				    mp->group2[0] == KS_voidSymbol &&
    418 				    mp->group2[1] == KS_voidSymbol)
    419 					*mp = kbmap.map[u];
    420 			}
    421 		}
    422 		kbmap.maplen = newkbmap.maplen;
    423 		memcpy(kbmap.map, newkbmap.map,
    424 		    kbmap.maplen * sizeof(struct wscons_keymap));
    425 		break;
    426 	case FMT_COLOR:
    427 		i = name2int(val, color_tab, TABLEN(color_tab));
    428 		if (i == -1)
    429 			errx(EXIT_FAILURE, "%s: not a valid color", val);
    430 		*((unsigned int *) f->valp) = i;
    431 		break;
    432 	case FMT_ATTRS:
    433 		p = val;
    434 		while (p) {
    435 			val = p;
    436 			p = strchr(p, ',');
    437 			if (p != NULL)
    438 				*p++ = '\0';
    439 			i = name2int(val, attr_tab, TABLEN(attr_tab));
    440 			if (i == -1)
    441 				errx(EXIT_FAILURE, "%s: not a valid attribute",
    442 				    val);
    443 			*((unsigned int *) f->valp) |= i;
    444 		}
    445 		break;
    446 	default:
    447 		errx(EXIT_FAILURE, "internal error: rd_field: no format %d",
    448 		    f->format);
    449 		break;
    450 	}
    451 }
    452 
    453 static unsigned int
    454 rd_bitfield(const char *str)
    455 {
    456 	const char *ptr;
    457 	char *ep;
    458 	long lval;
    459 	unsigned int result;
    460 
    461 	ep = NULL;
    462 	ptr = str;
    463 	result = 0;
    464 	while (*ptr != '\0') {
    465 		errno = 0;
    466 		lval = strtol(ptr, &ep, 10);
    467 		if (*ep != '\0' && *ep != ' ')
    468 			errx(EXIT_FAILURE, "%s: not a valid number list", str);
    469 		if (errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN))
    470 			errx(EXIT_FAILURE, "%s: not a valid number list", str);
    471 		if (lval >= (long)sizeof(result) * 8)
    472 			errx(EXIT_FAILURE, "%ld: number out of range", lval);
    473 		result |= (1 << lval);
    474 
    475 		ptr = ep;
    476 		while (*ptr == ' ')
    477 			ptr++;
    478 	}
    479 
    480 	return result;
    481 }
    482 
    483 static void
    484 print_kmap(struct wskbd_map_data *map)
    485 {
    486 	unsigned int i;
    487 	struct wscons_keymap *mp;
    488 
    489 	for (i = 0; i < map->maplen; i++) {
    490 		mp = map->map + i;
    491 
    492 		if (mp->command == KS_voidSymbol &&
    493 		    mp->group1[0] == KS_voidSymbol &&
    494 		    mp->group1[1] == KS_voidSymbol &&
    495 		    mp->group2[0] == KS_voidSymbol &&
    496 		    mp->group2[1] == KS_voidSymbol)
    497 			continue;
    498 		(void)printf("\n");
    499 		(void)printf("keycode %u =", i);
    500 		if (mp->command != KS_voidSymbol)
    501 			(void)printf(" %s", ksym2name(mp->command));
    502 		(void)printf(" %s", ksym2name(mp->group1[0]));
    503 		if (mp->group1[0] != mp->group1[1] ||
    504 		    mp->group1[0] != mp->group2[0] ||
    505 		    mp->group1[0] != mp->group2[1]) {
    506 			(void)printf(" %s", ksym2name(mp->group1[1]));
    507 			if (mp->group1[0] != mp->group2[0] ||
    508 			    mp->group1[1] != mp->group2[1]) {
    509 				(void)printf(" %s", ksym2name(mp->group2[0]));
    510 				(void)printf(" %s", ksym2name(mp->group2[1]));
    511 			}
    512 		}
    513 	}
    514 }
    515