diff options
author | Luke Shumaker <lukeshu@lukeshu.com> | 2017-05-10 17:35:20 -0400 |
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committer | Luke Shumaker <lukeshu@lukeshu.com> | 2017-05-10 17:35:20 -0400 |
commit | 0f84dd566f9a09ff2bf9c421c57f92c0940720f3 (patch) | |
tree | ad55de626764ceb7056299d6f54048af2bc60e9e /src/vconsole | |
parent | 113d1861d5730e1e61e6583317f1c6baa9deb333 (diff) |
./tools/notsd-move
Diffstat (limited to 'src/vconsole')
-rw-r--r-- | src/vconsole/.gitignore | 1 | ||||
-rw-r--r-- | src/vconsole/90-vconsole.rules.in | 10 | ||||
l--------- | src/vconsole/Makefile | 1 | ||||
-rw-r--r-- | src/vconsole/vconsole-setup.c | 411 |
4 files changed, 0 insertions, 423 deletions
diff --git a/src/vconsole/.gitignore b/src/vconsole/.gitignore deleted file mode 100644 index 82741b2fb3..0000000000 --- a/src/vconsole/.gitignore +++ /dev/null @@ -1 +0,0 @@ -/90-vconsole.rules diff --git a/src/vconsole/90-vconsole.rules.in b/src/vconsole/90-vconsole.rules.in deleted file mode 100644 index 84b4d575bd..0000000000 --- a/src/vconsole/90-vconsole.rules.in +++ /dev/null @@ -1,10 +0,0 @@ -# This file is part of systemd. -# -# systemd is free software; you can redistribute it and/or modify it -# under the terms of the GNU Lesser General Public License as published by -# the Free Software Foundation; either version 2.1 of the License, or -# (at your option) any later version. - -# Each vtcon keeps its own state of fonts. -# -ACTION=="add", SUBSYSTEM=="vtconsole", KERNEL=="vtcon*", ATTR{name}!="*dummy device", RUN+="@rootlibexecdir@/systemd-vconsole-setup" diff --git a/src/vconsole/Makefile b/src/vconsole/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/vconsole/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile
\ No newline at end of file diff --git a/src/vconsole/vconsole-setup.c b/src/vconsole/vconsole-setup.c deleted file mode 100644 index a0ab5990fc..0000000000 --- a/src/vconsole/vconsole-setup.c +++ /dev/null @@ -1,411 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2010 Kay Sievers - Copyright 2016 Michal Soltys <soltys@ziu.info> - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <fcntl.h> -#include <limits.h> -#include <linux/kd.h> -#include <linux/tiocl.h> -#include <linux/vt.h> -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <sys/ioctl.h> -#include <termios.h> -#include <unistd.h> - -#include "alloc-util.h" -#include "fd-util.h" -#include "fileio.h" -#include "io-util.h" -#include "locale-util.h" -#include "log.h" -#include "process-util.h" -#include "signal-util.h" -#include "stdio-util.h" -#include "string-util.h" -#include "terminal-util.h" -#include "util.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_allocated(unsigned int idx) { - char vcname[strlen("/dev/vcs") + DECIMAL_STR_MAX(int)]; - - xsprintf(vcname, "/dev/vcs%i", idx); - return access(vcname, F_OK) == 0; -} - -static bool is_allocated_byfd(int fd) { - struct vt_stat vcs = {}; - - if (ioctl(fd, VT_GETSTATE, &vcs) < 0) { - log_warning_errno(errno, "VT_GETSTATE failed: %m"); - return false; - } - return is_allocated(vcs.v_active); -} - -static bool is_settable(int fd) { - int r, curr_mode; - - r = ioctl(fd, KDGKBMODE, &curr_mode); - /* - * Make sure we only adjust consoles in K_XLATE or K_UNICODE mode. - * Otherwise we would (likely) interfere with X11's processing of the - * key events. - * - * http://lists.freedesktop.org/archives/systemd-devel/2013-February/008573.html - */ - return r == 0 && IN_SET(curr_mode, K_XLATE, K_UNICODE); -} - -static int toggle_utf8(const char *name, int fd, bool utf8) { - int r; - struct termios tc = {}; - - assert(name); - - r = ioctl(fd, KDSKBMODE, utf8 ? K_UNICODE : K_XLATE); - if (r < 0) - return log_warning_errno(errno, "Failed to %s UTF-8 kbdmode on %s: %m", enable_disable(utf8), name); - - r = loop_write(fd, utf8 ? "\033%G" : "\033%@", 3, false); - if (r < 0) - return log_warning_errno(r, "Failed to %s UTF-8 term processing on %s: %m", enable_disable(utf8), name); - - r = tcgetattr(fd, &tc); - if (r >= 0) { - if (utf8) - tc.c_iflag |= IUTF8; - else - tc.c_iflag &= ~IUTF8; - r = tcsetattr(fd, TCSANOW, &tc); - } - if (r < 0) - return log_warning_errno(errno, "Failed to %s iutf8 flag on %s: %m", enable_disable(utf8), name); - - log_debug("UTF-8 kbdmode %sd on %s", enable_disable(utf8), name); - return 0; -} - -static int toggle_utf8_sysfs(bool utf8) { - int r; - - r = write_string_file("/sys/module/vt/parameters/default_utf8", one_zero(utf8), 0); - if (r < 0) - return log_warning_errno(r, "Failed to %s sysfs UTF-8 flag: %m", enable_disable(utf8)); - - log_debug("Sysfs UTF-8 flag %sd", enable_disable(utf8)); - return 0; -} - -static int 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; - - /* An empty map means kernel map */ - if (isempty(map)) - 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; - - pid = fork(); - if (pid < 0) - return log_error_errno(errno, "Failed to fork: %m"); - else if (pid == 0) { - - (void) reset_all_signal_handlers(); - (void) reset_signal_mask(); - - execv(args[0], (char **) args); - _exit(EXIT_FAILURE); - } - - return wait_for_terminate_and_warn(KBD_LOADKEYS, pid, true); -} - -static int 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; - - /* Any part can be set independently */ - if (isempty(font) && isempty(map) && isempty(unimap)) - return 0; - - args[i++] = KBD_SETFONT; - args[i++] = "-C"; - args[i++] = vc; - if (!isempty(map)) { - args[i++] = "-m"; - args[i++] = map; - } - if (!isempty(unimap)) { - args[i++] = "-u"; - args[i++] = unimap; - } - if (!isempty(font)) - args[i++] = font; - args[i++] = NULL; - - pid = fork(); - if (pid < 0) - return log_error_errno(errno, "Failed to fork: %m"); - else if (pid == 0) { - - (void) reset_all_signal_handlers(); - (void) reset_signal_mask(); - - execv(args[0], (char **) args); - _exit(EXIT_FAILURE); - } - - return wait_for_terminate_and_warn(KBD_SETFONT, pid, true); -} - -/* - * 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. - * - * We also setup per-console utf8 related stuff: kbdmode, term - * processing, stty iutf8. - */ -static void setup_remaining_vcs(int fd, bool utf8) { - struct console_font_op cfo = { - .op = KD_FONT_OP_GET, - .width = UINT_MAX, .height = UINT_MAX, - .charcount = UINT_MAX, - }; - struct vt_stat vcs = {}; - struct unimapinit adv = {}; - struct unimapdesc unimapd; - _cleanup_free_ struct unipair* unipairs = NULL; - _cleanup_free_ void *fontbuf = NULL; - int i, r; - - unipairs = new(struct unipair, USHRT_MAX); - if (!unipairs) { - log_oom(); - return; - } - - /* get active, and 16 bit mask of used VT numbers */ - r = ioctl(fd, VT_GETSTATE, &vcs); - if (r < 0) { - log_warning_errno(errno, "VT_GETSTATE failed, ignoring remaining consoles: %m"); - return; - } - - /* get metadata of the current font (width, height, count) */ - r = ioctl(fd, KDFONTOP, &cfo); - if (r < 0) - log_warning_errno(errno, "KD_FONT_OP_GET failed while trying to get the font metadata: %m"); - else { - /* verify parameter sanity first */ - if (cfo.width > 32 || cfo.height > 32 || cfo.charcount > 512) - log_warning("Invalid font metadata - width: %u (max 32), height: %u (max 32), count: %u (max 512)", - cfo.width, cfo.height, cfo.charcount); - else { - /* - * Console fonts supported by the kernel are limited in size to 32 x 32 and maximum 512 - * characters. Thus with 1 bit per pixel it requires up to 65536 bytes. The height always - * requries 32 per glyph, regardless of the actual height - see the comment above #define - * max_font_size 65536 in drivers/tty/vt/vt.c for more details. - */ - fontbuf = malloc((cfo.width + 7) / 8 * 32 * cfo.charcount); - if (!fontbuf) { - log_oom(); - return; - } - /* get fonts from source console */ - cfo.data = fontbuf; - r = ioctl(fd, KDFONTOP, &cfo); - if (r < 0) - log_warning_errno(errno, "KD_FONT_OP_GET failed while trying to read the font data: %m"); - else { - unimapd.entries = unipairs; - unimapd.entry_ct = USHRT_MAX; - r = ioctl(fd, GIO_UNIMAP, &unimapd); - if (r < 0) - log_warning_errno(errno, "GIO_UNIMAP failed while trying to read unicode mappings: %m"); - else - cfo.op = KD_FONT_OP_SET; - } - } - } - - if (cfo.op != KD_FONT_OP_SET) - log_warning("Fonts will not be copied to remaining consoles"); - - for (i = 1; i <= 63; i++) { - char ttyname[strlen("/dev/tty") + DECIMAL_STR_MAX(int)]; - _cleanup_close_ int fd_d = -1; - - if (i == vcs.v_active || !is_allocated(i)) - continue; - - /* try to open terminal */ - xsprintf(ttyname, "/dev/tty%i", i); - fd_d = open_terminal(ttyname, O_RDWR|O_CLOEXEC); - if (fd_d < 0) { - log_warning_errno(fd_d, "Unable to open tty%i, fonts will not be copied: %m", i); - continue; - } - - if (!is_settable(fd_d)) - continue; - - toggle_utf8(ttyname, fd_d, utf8); - - if (cfo.op != KD_FONT_OP_SET) - continue; - - r = ioctl(fd_d, KDFONTOP, &cfo); - if (r < 0) { - log_warning_errno(errno, "KD_FONT_OP_SET failed, fonts will not be copied to tty%i: %m", i); - continue; - } - - /* copy unicode translation table */ - /* unimapd is a ushort count and a pointer to an - array of struct unipair { ushort, ushort } */ - r = ioctl(fd_d, PIO_UNIMAPCLR, &adv); - if (r < 0) { - log_warning_errno(errno, "PIO_UNIMAPCLR failed, unimaps might be incorrect for tty%i: %m", i); - continue; - } - - r = ioctl(fd_d, PIO_UNIMAP, &unimapd); - if (r < 0) { - log_warning_errno(errno, "PIO_UNIMAP failed, unimaps might be incorrect for tty%i: %m", i); - continue; - } - - log_debug("Font and unimap successfully copied to %s", ttyname); - } -} - -int main(int argc, char **argv) { - const char *vc; - _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, font_copy = false, font_ok, keyboard_ok; - int r = EXIT_FAILURE; - - log_set_target(LOG_TARGET_AUTO); - log_parse_environment(); - log_open(); - - umask(0022); - - if (argv[1]) - vc = argv[1]; - else { - vc = "/dev/tty0"; - font_copy = true; - } - - fd = open_terminal(vc, O_RDWR|O_CLOEXEC); - if (fd < 0) { - log_error_errno(fd, "Failed to open %s: %m", vc); - return EXIT_FAILURE; - } - - if (!is_vconsole(fd)) { - log_error("Device %s is not a virtual console.", vc); - return EXIT_FAILURE; - } - - if (!is_allocated_byfd(fd)) { - log_error("Virtual console %s is not allocated.", vc); - return EXIT_FAILURE; - } - - if (!is_settable(fd)) { - log_error("Virtual console %s is not in K_XLATE or K_UNICODE.", vc); - return EXIT_FAILURE; - } - - utf8 = is_locale_utf8(); - - 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() <= 0) { - 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, - /* compatibility with obsolete multiple-dot scheme */ - "vconsole.keymap.toggle", &vc_keymap_toggle, - "vconsole.font.map", &vc_font_map, - "vconsole.font.unimap", &vc_font_unimap, - NULL); - - if (r < 0 && r != -ENOENT) - log_warning_errno(r, "Failed to read /proc/cmdline: %m"); - } - - toggle_utf8_sysfs(utf8); - toggle_utf8(vc, fd, utf8); - font_ok = font_load_and_wait(vc, vc_font, vc_font_map, vc_font_unimap) == 0; - keyboard_ok = keyboard_load_and_wait(vc, vc_keymap, vc_keymap_toggle, utf8) == 0; - - if (font_copy) { - if (font_ok) - setup_remaining_vcs(fd, utf8); - else - log_warning("Setting source virtual console failed, ignoring remaining ones"); - } - - return font_ok && keyboard_ok ? EXIT_SUCCESS : EXIT_FAILURE; -} |