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#include <alloca.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/kd.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <zlib.h>
#include <linux/keyboard.h>
#include <linux/kd.h>
#include "cpio.h"
int isysLoadFont(char * fontFile) {
char font[8192];
unsigned short map[E_TABSZ];
struct unimapdesc d;
struct unimapinit u;
struct unipair desc[2048];
int fd;
gzFile stream;
int rc;
stream = gzopen("/etc/fonts.cgz", "r");
if (!stream)
return -EACCES;
rc = installCpioFile(stream, fontFile, "/tmp/font", 1);
gzclose(stream);
if (rc || access("/tmp/font", R_OK))
return -EACCES;
fd = open("/tmp/font", O_RDONLY);
read(fd, font, sizeof(font));
read(fd, map, sizeof(map));
read(fd, &d.entry_ct, sizeof(d.entry_ct));
d.entries = desc;
read(fd, desc, d.entry_ct * sizeof(desc[0]));
close(fd);
rc = ioctl(1, PIO_FONT, font);
if (rc) return rc;
rc = ioctl(1, PIO_UNIMAPCLR, &u);
if (rc) return rc;
rc = ioctl(1, PIO_UNIMAP, &d);
if (rc) return rc;
rc = ioctl(1, PIO_UNISCRNMAP, map);
if (rc) return rc;
fprintf(stderr, "\033(K");
return 0;
}
/* define ask johnsonm@redhat.com where this came from */
#define KMAP_MAGIC 0x8B39C07F
#define KMAP_NAMELEN 40 /* including '\0' */
struct kmapHeader {
int magic;
int numEntries;
};
struct kmapInfo {
int size;
char name[KMAP_NAMELEN];
};
/* the file pointer must be at the beginning of the section already! */
static int loadKeymap(gzFile stream) {
int console;
int kmap, key;
struct kbentry entry;
int keymaps[MAX_NR_KEYMAPS];
int count = 0;
int magic;
short keymap[NR_KEYS];
if (gzread(stream, &magic, sizeof(magic)) != sizeof(magic))
return -EIO;
if (magic != KMAP_MAGIC) return -EINVAL;
if (gzread(stream, keymaps, sizeof(keymaps)) != sizeof(keymaps))
return -EINVAL;
console = open("/dev/console", O_RDWR);
if (console < 0)
return -EACCES;
for (kmap = 0; kmap < MAX_NR_KEYMAPS; kmap++) {
if (!keymaps[kmap]) continue;
if (gzread(stream, keymap, sizeof(keymap)) != sizeof(keymap)) {
close(console);
return -EIO;
}
count++;
for (key = 0; key < NR_KEYS; key++) {
entry.kb_index = key;
entry.kb_table = kmap;
entry.kb_value = keymap[key];
if (KTYP(entry.kb_value) != KT_SPEC) {
if (ioctl(console, KDSKBENT, &entry)) {
int ret = errno;
close(console);
return ret;
}
}
}
}
close(console);
return 0;
}
int isysLoadKeymap(char * keymap) {
int num = -1;
int rc;
gzFile f;
struct kmapHeader hdr;
struct kmapInfo * infoTable;
char buf[16384]; /* I hope this is big enough */
int i;
f = gzopen("/etc/keymaps.gz", "r");
if (!f) return -EACCES;
if (gzread(f, &hdr, sizeof(hdr)) != sizeof(hdr)) {
gzclose(f);
return -EINVAL;
}
i = hdr.numEntries * sizeof(*infoTable);
infoTable = alloca(i);
if (gzread(f, infoTable, i) != i) {
gzclose(f);
return -EIO;
}
for (i = 0; i < hdr.numEntries; i++)
if (!strcmp(infoTable[i].name, keymap)) {
num = i;
break;
}
if (num == -1) {
gzclose(f);
return -ENOENT;
}
for (i = 0; i < num; i++) {
if (gzread(f, buf, infoTable[i].size) != infoTable[i].size) {
gzclose(f);
return -EIO;
}
}
rc = loadKeymap(f);
gzclose(f);
return rc;
}
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