chiark / gitweb /
build-sys: make readahead and vconsole optional
[elogind.git] / src / vconsole-setup.c
diff --git a/src/vconsole-setup.c b/src/vconsole-setup.c
deleted file mode 100644 (file)
index 9196789..0000000
+++ /dev/null
@@ -1,459 +0,0 @@
-/*-*- 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;
-}