#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
-#include <string.h>
#include <fcntl.h>
-#include <ctype.h>
#include <stdbool.h>
-#include <stdarg.h>
#include <limits.h>
#include <sys/ioctl.h>
-#include <sys/wait.h>
#include <linux/tiocl.h>
#include <linux/kd.h>
#include <linux/vt.h>
#include "util.h"
#include "log.h"
-#include "macro.h"
#include "virt.h"
+#include "fileio.h"
static bool is_vconsole(int fd) {
unsigned char data[1];
if (ioctl(fd, KDSKBMODE, K_XLATE) < 0)
r = -errno;
- if (loop_write(fd, "\033%@", 3, false) < 0)
- r = -errno;
+ k = loop_write(fd, "\033%@", 3, false);
+ if (k < 0)
+ r = k;
- k = write_one_line_file("/sys/module/vt/parameters/default_utf8", "0");
+ k = write_string_file("/sys/module/vt/parameters/default_utf8", "0");
if (k < 0)
r = k;
if (r < 0)
- log_warning("Failed to disable UTF-8: %s", strerror(-r));
+ log_warning_errno(r, "Failed to disable UTF-8: %m");
return r;
}
static int enable_utf8(int fd) {
int r = 0, k;
+ long current = 0;
+
+ if (ioctl(fd, KDGKBMODE, ¤t) < 0 || current == K_XLATE) {
+ /*
+ * Change the current keyboard to unicode, unless it
+ * is currently in raw or off mode anyway. We
+ * shouldn't interfere with X11's processing of the
+ * key events.
+ *
+ * http://lists.freedesktop.org/archives/systemd-devel/2013-February/008573.html
+ *
+ */
+
+ if (ioctl(fd, KDSKBMODE, K_UNICODE) < 0)
+ r = -errno;
+ }
- if (ioctl(fd, KDSKBMODE, K_UNICODE) < 0)
- r = -errno;
-
- if (loop_write(fd, "\033%G", 3, false) < 0)
- r = -errno;
+ k = loop_write(fd, "\033%G", 3, false);
+ if (k < 0)
+ r = k;
- k = write_one_line_file("/sys/module/vt/parameters/default_utf8", "1");
+ k = write_string_file("/sys/module/vt/parameters/default_utf8", "1");
if (k < 0)
r = k;
if (r < 0)
- log_warning("Failed to enable UTF-8: %s", strerror(-r));
+ log_warning_errno(r, "Failed to enable UTF-8: %m");
return r;
}
-static int keymap_load(const char *vc, const char *map, const char *map_toggle, bool utf8, pid_t *_pid) {
+static bool keyboard_load_and_wait(const char *vc, const char *map, const char *map_toggle, bool utf8) {
const char *args[8];
int i = 0;
pid_t pid;
- if (isempty(map)) {
- /* An empty map means kernel map */
- *_pid = 0;
- return 0;
- }
+ /* An empty map means kernel map */
+ if (isempty(map))
+ return true;
args[i++] = KBD_LOADKEYS;
args[i++] = "-q";
pid = fork();
if (pid < 0) {
- log_error("Failed to fork: %m");
- return -errno;
+ log_error_errno(errno, "Failed to fork: %m");
+ return false;
} else if (pid == 0) {
execv(args[0], (char **) args);
_exit(EXIT_FAILURE);
}
- *_pid = pid;
- return 0;
+ return wait_for_terminate_and_warn(KBD_LOADKEYS, pid, true) == 0;
}
-static int font_load(const char *vc, const char *font, const char *map, const char *unimap, pid_t *_pid) {
+static bool font_load_and_wait(const char *vc, const char *font, const char *map, const char *unimap) {
const char *args[9];
int i = 0;
pid_t pid;
- if (isempty(font)) {
- /* An empty font means kernel font */
- *_pid = 0;
- return 0;
- }
+ /* An empty font means kernel font */
+ if (isempty(font))
+ return true;
args[i++] = KBD_SETFONT;
args[i++] = "-C";
pid = fork();
if (pid < 0) {
- log_error("Failed to fork: %m");
- return -errno;
+ log_error_errno(errno, "Failed to fork: %m");
+ return false;
} else if (pid == 0) {
execv(args[0], (char **) args);
_exit(EXIT_FAILURE);
}
- *_pid = pid;
- return 0;
+ return wait_for_terminate_and_warn(KBD_SETFONT, pid, true) == 0;
}
-static void font_copy_to_all_vts(int fd, int from_vt) {
- struct vt_stat vts;
- unsigned short bits;
- int i;
- int r;
-
- /* get 16 bit mask of used VT numbers */
- zero(vts);
- r = ioctl(fd, VT_GETSTATE, &vts);
+/*
+ * A newly allocated VT uses the font from the active VT. Here
+ * we update all possibly already allocated VTs with the configured
+ * font. It also allows to restart systemd-vconsole-setup.service,
+ * to apply a new font to all VTs.
+ */
+static void font_copy_to_all_vcs(int fd) {
+ struct vt_stat vcs = {};
+ unsigned char map8[E_TABSZ];
+ unsigned short map16[E_TABSZ];
+ struct unimapdesc unimapd;
+ struct unipair unipairs[USHRT_MAX];
+ int i, r;
+
+ /* get active, and 16 bit mask of used VT numbers */
+ r = ioctl(fd, VT_GETSTATE, &vcs);
if (r < 0)
return;
- bits = vts.v_state;
- for (i = 1; i <= 16; i++) {
- char vtname[16];
- int vtfd;
- struct console_font_op cfo;
- bool used;
-
- /* skip unused VTs */
- used = bits & 1;
- bits >>= 1;
- if (!used)
+ for (i = 1; i <= 15; i++) {
+ char vcname[16];
+ _cleanup_close_ int vcfd = -1;
+ struct console_font_op cfo = {};
+
+ if (i == vcs.v_active)
continue;
- if (i == from_vt)
+ /* skip non-allocated ttys */
+ snprintf(vcname, sizeof(vcname), "/dev/vcs%i", i);
+ if (access(vcname, F_OK) < 0)
continue;
- snprintf(vtname , sizeof(vtname), "/dev/tty%i", i);
- vtfd = open_terminal(vtname, O_RDWR|O_CLOEXEC);
- if (vtfd < 0)
+ snprintf(vcname, sizeof(vcname), "/dev/tty%i", i);
+ vcfd = open_terminal(vcname, O_RDWR|O_CLOEXEC);
+ if (vcfd < 0)
continue;
- /* copy font from from_vt to this VT */
- zero(cfo);
+ /* copy font from active VT, where the font was uploaded to */
cfo.op = KD_FONT_OP_COPY;
- /* the index numbers seem to start at 0 for tty1 */
- cfo.height = from_vt - 1;
- ioctl(vtfd, KDFONTOP, &cfo);
-
- close_nointr_nofail(vtfd);
+ cfo.height = vcs.v_active-1; /* tty1 == index 0 */
+ (void) ioctl(vcfd, KDFONTOP, &cfo);
+
+ /* copy map of 8bit chars */
+ if (ioctl(fd, GIO_SCRNMAP, map8) >= 0)
+ (void) ioctl(vcfd, PIO_SCRNMAP, map8);
+
+ /* copy map of 8bit chars -> 16bit Unicode values */
+ if (ioctl(fd, GIO_UNISCRNMAP, map16) >= 0)
+ (void) ioctl(vcfd, PIO_UNISCRNMAP, map16);
+
+ /* copy unicode translation table */
+ /* unimapd is a ushort count and a pointer to an
+ array of struct unipair { ushort, ushort } */
+ unimapd.entries = unipairs;
+ unimapd.entry_ct = USHRT_MAX;
+ if (ioctl(fd, GIO_UNIMAP, &unimapd) >= 0) {
+ struct unimapinit adv = { 0, 0, 0 };
+
+ (void) ioctl(vcfd, PIO_UNIMAPCLR, &adv);
+ (void) ioctl(vcfd, PIO_UNIMAP, &unimapd);
+ }
}
}
int main(int argc, char **argv) {
const char *vc;
- char *vc_keymap = NULL;
- char *vc_keymap_toggle = NULL;
- char *vc_font = NULL;
- char *vc_font_map = NULL;
- char *vc_font_unimap = NULL;
- int fd = -1;
+ _cleanup_free_ char
+ *vc_keymap = NULL, *vc_keymap_toggle = NULL,
+ *vc_font = NULL, *vc_font_map = NULL, *vc_font_unimap = NULL;
+ _cleanup_close_ int fd = -1;
bool utf8;
- pid_t font_pid = 0, keymap_pid = 0;
- int font_copy_from_vt = 0;
+ bool font_copy = false, font_ok, keyboard_ok;
int r = EXIT_FAILURE;
log_set_target(LOG_TARGET_AUTO);
if (argv[1])
vc = argv[1];
else {
- vc = "/dev/tty1";
- font_copy_from_vt = 1;
+ vc = "/dev/tty0";
+ font_copy = true;
}
fd = open_terminal(vc, O_RDWR|O_CLOEXEC);
if (fd < 0) {
- log_error("Failed to open %s: %m", vc);
- goto finish;
+ log_error_errno(errno, "Failed to open %s: %m", vc);
+ return EXIT_FAILURE;
}
if (!is_vconsole(fd)) {
log_error("Device %s is not a virtual console.", vc);
- goto finish;
+ return EXIT_FAILURE;
}
utf8 = is_locale_utf8();
- r = 0;
+ r = parse_env_file("/etc/vconsole.conf", NEWLINE,
+ "KEYMAP", &vc_keymap,
+ "KEYMAP_TOGGLE", &vc_keymap_toggle,
+ "FONT", &vc_font,
+ "FONT_MAP", &vc_font_map,
+ "FONT_UNIMAP", &vc_font_unimap,
+ NULL);
+
+ if (r < 0 && r != -ENOENT)
+ log_warning_errno(r, "Failed to read /etc/vconsole.conf: %m");
+ /* Let the kernel command line override /etc/vconsole.conf */
if (detect_container(NULL) <= 0) {
r = parse_env_file("/proc/cmdline", WHITESPACE,
"vconsole.keymap", &vc_keymap,
NULL);
if (r < 0 && r != -ENOENT)
- log_warning("Failed to read /proc/cmdline: %s", strerror(-r));
- }
-
- /* Hmm, nothing set on the kernel cmd line? Then let's
- * try /etc/vconsole.conf */
- if (r <= 0) {
- r = parse_env_file("/etc/vconsole.conf", NEWLINE,
- "KEYMAP", &vc_keymap,
- "KEYMAP_TOGGLE", &vc_keymap_toggle,
- "FONT", &vc_font,
- "FONT_MAP", &vc_font_map,
- "FONT_UNIMAP", &vc_font_unimap,
- NULL);
-
- if (r < 0 && r != -ENOENT)
- log_warning("Failed to read /etc/vconsole.conf: %s", strerror(-r));
+ log_warning_errno(r, "Failed to read /proc/cmdline: %m");
}
if (utf8)
else
disable_utf8(fd);
- r = EXIT_FAILURE;
- if (keymap_load(vc, vc_keymap, vc_keymap_toggle, utf8, &keymap_pid) >= 0 &&
- font_load(vc, vc_font, vc_font_map, vc_font_unimap, &font_pid) >= 0)
- r = EXIT_SUCCESS;
-
-finish:
- if (keymap_pid > 0)
- wait_for_terminate_and_warn(KBD_LOADKEYS, keymap_pid);
-
- if (font_pid > 0) {
- wait_for_terminate_and_warn(KBD_SETFONT, font_pid);
- if (font_copy_from_vt > 0)
- font_copy_to_all_vts(fd, font_copy_from_vt);
- }
-
- free(vc_keymap);
- free(vc_font);
- free(vc_font_map);
- free(vc_font_unimap);
+ font_ok = font_load_and_wait(vc, vc_font, vc_font_map, vc_font_unimap);
+ keyboard_ok = keyboard_load_and_wait(vc, vc_keymap, vc_keymap_toggle, utf8);
- if (fd >= 0)
- close_nointr_nofail(fd);
+ /* Only copy the font when we executed setfont successfully */
+ if (font_copy && font_ok)
+ font_copy_to_all_vcs(fd);
- return r;
+ return font_ok && keyboard_ok ? EXIT_SUCCESS : EXIT_FAILURE;
}
~ianmdlvl / elogind.git / blobdiff