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-rw-r--r--src/vconsole/vconsole-setup.c459
1 files changed, 459 insertions, 0 deletions
diff --git a/src/vconsole/vconsole-setup.c b/src/vconsole/vconsole-setup.c
new file mode 100644
index 0000000000..91967891f1
--- /dev/null
+++ b/src/vconsole/vconsole-setup.c
@@ -0,0 +1,459 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Kay Sievers
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdio.h>
+#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 <locale.h>
+#include <langinfo.h>
+#include <sys/ioctl.h>
+#include <sys/wait.h>
+#include <linux/tiocl.h>
+#include <linux/kd.h>
+
+#include "util.h"
+#include "log.h"
+#include "macro.h"
+#include "virt.h"
+
+static bool is_vconsole(int fd) {
+ unsigned char data[1];
+
+ data[0] = TIOCL_GETFGCONSOLE;
+ return ioctl(fd, TIOCLINUX, data) >= 0;
+}
+
+static bool is_locale_utf8(void) {
+ const char *set;
+
+ if (!setlocale(LC_ALL, ""))
+ return true;
+
+ set = nl_langinfo(CODESET);
+ if (!set)
+ return true;
+
+ return streq(set, "UTF-8");
+}
+
+static int disable_utf8(int fd) {
+ int r = 0, k;
+
+ if (ioctl(fd, KDSKBMODE, K_XLATE) < 0)
+ r = -errno;
+
+ if (loop_write(fd, "\033%@", 3, false) < 0)
+ r = -errno;
+
+ if ((k = write_one_line_file("/sys/module/vt/parameters/default_utf8", "0")) < 0)
+ r = k;
+
+ if (r < 0)
+ log_warning("Failed to disable UTF-8: %s", strerror(errno));
+
+ return r;
+}
+
+static int load_keymap(const char *vc, const char *map, const char *map_toggle, bool utf8, pid_t *_pid) {
+ const char *args[8];
+ int i = 0;
+ pid_t pid;
+
+ if (isempty(map)) {
+ /* An empty map means kernel map */
+ *_pid = 0;
+ return 0;
+ }
+
+ args[i++] = KBD_LOADKEYS;
+ args[i++] = "-q";
+ args[i++] = "-C";
+ args[i++] = vc;
+ if (utf8)
+ args[i++] = "-u";
+ args[i++] = map;
+ if (map_toggle)
+ args[i++] = map_toggle;
+ args[i++] = NULL;
+
+ if ((pid = fork()) < 0) {
+ log_error("Failed to fork: %m");
+ return -errno;
+ } else if (pid == 0) {
+ execv(args[0], (char **) args);
+ _exit(EXIT_FAILURE);
+ }
+
+ *_pid = pid;
+ return 0;
+}
+
+static int load_font(const char *vc, const char *font, const char *map, const char *unimap, pid_t *_pid) {
+ const char *args[9];
+ int i = 0;
+ pid_t pid;
+
+ if (isempty(font)) {
+ /* An empty font means kernel font */
+ *_pid = 0;
+ return 0;
+ }
+
+ args[i++] = KBD_SETFONT;
+ args[i++] = "-C";
+ args[i++] = vc;
+ args[i++] = font;
+ if (map) {
+ args[i++] = "-m";
+ args[i++] = map;
+ }
+ if (unimap) {
+ args[i++] = "-u";
+ args[i++] = unimap;
+ }
+ args[i++] = NULL;
+
+ if ((pid = fork()) < 0) {
+ log_error("Failed to fork: %m");
+ return -errno;
+ } else if (pid == 0) {
+ execv(args[0], (char **) args);
+ _exit(EXIT_FAILURE);
+ }
+
+ *_pid = pid;
+ return 0;
+}
+
+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;
+#ifdef TARGET_GENTOO
+ char *vc_unicode = NULL;
+#endif
+#if defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA)
+ char *vc_keytable = NULL;
+#endif
+ int fd = -1;
+ bool utf8;
+ int r = EXIT_FAILURE;
+ pid_t font_pid = 0, keymap_pid = 0;
+
+ log_set_target(LOG_TARGET_AUTO);
+ log_parse_environment();
+ log_open();
+
+ umask(0022);
+
+ if (argv[1])
+ vc = argv[1];
+ else
+ vc = "/dev/tty0";
+
+ if ((fd = open_terminal(vc, O_RDWR|O_CLOEXEC)) < 0) {
+ log_error("Failed to open %s: %m", vc);
+ goto finish;
+ }
+
+ if (!is_vconsole(fd)) {
+ log_error("Device %s is not a virtual console.", vc);
+ goto finish;
+ }
+
+ utf8 = is_locale_utf8();
+
+ vc_keymap = strdup("us");
+ vc_font = strdup(DEFAULT_FONT);
+
+ if (!vc_keymap || !vc_font) {
+ log_error("Failed to allocate strings.");
+ goto finish;
+ }
+
+ r = 0;
+
+ if (detect_container(NULL) <= 0)
+ if ((r = parse_env_file("/proc/cmdline", WHITESPACE,
+ "vconsole.keymap", &vc_keymap,
+ "vconsole.keymap.toggle", &vc_keymap_toggle,
+ "vconsole.font", &vc_font,
+ "vconsole.font.map", &vc_font_map,
+ "vconsole.font.unimap", &vc_font_unimap,
+ NULL)) < 0) {
+
+ if (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)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/vconsole.conf: %s", strerror(-r));
+ }
+
+ if (r <= 0) {
+#if defined(TARGET_FEDORA) || defined(TARGET_MEEGO)
+ if ((r = parse_env_file("/etc/sysconfig/i18n", NEWLINE,
+ "SYSFONT", &vc_font,
+ "SYSFONTACM", &vc_font_map,
+ "UNIMAP", &vc_font_unimap,
+ NULL)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
+ }
+
+ if ((r = parse_env_file("/etc/sysconfig/keyboard", NEWLINE,
+ "KEYTABLE", &vc_keymap,
+ "KEYMAP", &vc_keymap,
+ NULL)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
+ }
+
+ if (access("/etc/sysconfig/console/default.kmap", F_OK) >= 0) {
+ char *t;
+
+ if (!(t = strdup("/etc/sysconfig/console/default.kmap"))) {
+ log_error("Out of memory.");
+ goto finish;
+ }
+
+ free(vc_keymap);
+ vc_keymap = t;
+ }
+
+#elif defined(TARGET_SUSE)
+ if ((r = parse_env_file("/etc/sysconfig/keyboard", NEWLINE,
+ "KEYTABLE", &vc_keymap,
+ NULL)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/sysconfig/keyboard: %s", strerror(-r));
+ }
+
+ if ((r = parse_env_file("/etc/sysconfig/console", NEWLINE,
+ "CONSOLE_FONT", &vc_font,
+ "CONSOLE_SCREENMAP", &vc_font_map,
+ "CONSOLE_UNICODEMAP", &vc_font_unimap,
+ NULL)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/sysconfig/console: %s", strerror(-r));
+ }
+
+#elif defined(TARGET_ARCH)
+ if ((r = parse_env_file("/etc/rc.conf", NEWLINE,
+ "KEYMAP", &vc_keymap,
+ "CONSOLEFONT", &vc_font,
+ "CONSOLEMAP", &vc_font_map,
+ NULL)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
+ }
+
+#elif defined(TARGET_FRUGALWARE)
+ if ((r = parse_env_file("/etc/sysconfig/keymap", NEWLINE,
+ "keymap", &vc_keymap,
+ NULL)) < 0) {
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/sysconfig/keymap: %s", strerror(-r));
+ }
+ if ((r = parse_env_file("/etc/sysconfig/font", NEWLINE,
+ "font", &vc_font,
+ NULL)) < 0) {
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/sysconfig/font: %s", strerror(-r));
+ }
+
+#elif defined(TARGET_ALTLINUX)
+ if ((r = parse_env_file("/etc/sysconfig/keyboard", NEWLINE,
+ "KEYTABLE", &vc_keymap,
+ NULL)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/sysconfig/keyboard: %s", strerror(-r));
+ }
+
+ if ((r = parse_env_file("/etc/sysconfig/consolefont", NEWLINE,
+ "SYSFONT", &vc_font,
+ NULL)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/sysconfig/console: %s", strerror(-r));
+ }
+
+#elif defined(TARGET_GENTOO)
+ if ((r = parse_env_file("/etc/rc.conf", NEWLINE,
+ "unicode", &vc_unicode,
+ NULL)) < 0) {
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
+ }
+
+ if (vc_unicode) {
+ int rc_unicode;
+
+ if ((rc_unicode = parse_boolean(vc_unicode)) < 0)
+ log_error("Unknown value for /etc/rc.conf unicode=%s", vc_unicode);
+ else {
+ if (rc_unicode && !utf8)
+ log_warning("/etc/rc.conf wants unicode, but current locale is not UTF-8 capable!");
+ else if (!rc_unicode && utf8) {
+ log_debug("/etc/rc.conf does not want unicode, leave it on in kernel but does not apply to vconsole.");
+ utf8 = false;
+ }
+ }
+ }
+
+ /* /etc/conf.d/consolefont comments and gentoo
+ * documentation mention uppercase, but the actual
+ * contents are lowercase. the existing
+ * /etc/init.d/consolefont tries both
+ */
+ if ((r = parse_env_file("/etc/conf.d/consolefont", NEWLINE,
+ "CONSOLEFONT", &vc_font,
+ "consolefont", &vc_font,
+ "consoletranslation", &vc_font_map,
+ "CONSOLETRANSLATION", &vc_font_map,
+ "unicodemap", &vc_font_unimap,
+ "UNICODEMAP", &vc_font_unimap,
+ NULL)) < 0) {
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/conf.d/consolefont: %s", strerror(-r));
+ }
+
+ if ((r = parse_env_file("/etc/conf.d/keymaps", NEWLINE,
+ "keymap", &vc_keymap,
+ "KEYMAP", &vc_keymap,
+ NULL)) < 0) {
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/conf.d/keymaps: %s", strerror(-r));
+ }
+
+#elif defined(TARGET_MANDRIVA) || defined (TARGET_MAGEIA)
+
+ if ((r = parse_env_file("/etc/sysconfig/i18n", NEWLINE,
+ "SYSFONT", &vc_font,
+ "SYSFONTACM", &vc_font_map,
+ "UNIMAP", &vc_font_unimap,
+ NULL)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
+ }
+
+ if ((r = parse_env_file("/etc/sysconfig/keyboard", NEWLINE,
+ "KEYTABLE", &vc_keytable,
+ "KEYMAP", &vc_keymap,
+ "UNIKEYTABLE", &vc_keymap,
+ "GRP_TOGGLE", &vc_keymap_toggle,
+ NULL)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
+ }
+
+ if (vc_keytable) {
+ if (vc_keymap)
+ free(vc_keymap);
+ if (utf8) {
+ if (endswith(vc_keytable, ".uni") || strstr(vc_keytable, ".uni."))
+ vc_keymap = strdup(vc_keytable);
+ else {
+ char *s;
+ if ((s = strstr(vc_keytable, ".map")))
+ vc_keytable[s-vc_keytable+1] = '\0';
+ vc_keymap = strappend(vc_keytable, ".uni");
+ }
+ } else
+ vc_keymap = strdup(vc_keytable);
+
+ free(vc_keytable);
+
+ if (!vc_keymap) {
+ log_error("Out of memory.");
+ goto finish;
+ }
+ }
+
+ if (access("/etc/sysconfig/console/default.kmap", F_OK) >= 0) {
+ char *t;
+
+ if (!(t = strdup("/etc/sysconfig/console/default.kmap"))) {
+ log_error("Out of memory.");
+ goto finish;
+ }
+
+ free(vc_keymap);
+ vc_keymap = t;
+ }
+#endif
+ }
+
+ r = EXIT_FAILURE;
+
+ if (!utf8)
+ disable_utf8(fd);
+
+ if (load_keymap(vc, vc_keymap, vc_keymap_toggle, utf8, &keymap_pid) >= 0 &&
+ load_font(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);
+
+ free(vc_keymap);
+ free(vc_font);
+ free(vc_font_map);
+ free(vc_font_unimap);
+
+ if (fd >= 0)
+ close_nointr_nofail(fd);
+
+ return r;
+}
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