/*-*- 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 #ifdef TARGET_MANDRIVA 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, #if defined(TARGET_FEDORA) || defined(TARGET_MEEGO) "SYSFONT", &vc_font, "KEYTABLE", &vc_keymap, #endif "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) 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; }