chiark / gitweb /
bus: fix typo in systemd-bus-proxyd
[elogind.git] / src / vconsole / vconsole-setup.c
index d8cdb7c609bf810fd2974511b0d15525b7073893..1bbf737c36f9dde13d968ae07ea28babd5f21dba 100644 (file)
@@ -39,6 +39,7 @@
 #include "log.h"
 #include "macro.h"
 #include "virt.h"
+#include "fileio.h"
 
 static bool is_vconsole(int fd) {
         unsigned char data[1];
@@ -56,7 +57,7 @@ static int disable_utf8(int fd) {
         if (loop_write(fd, "\033%@", 3, false) < 0)
                 r = -errno;
 
-        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;
 
@@ -68,14 +69,27 @@ static int disable_utf8(int fd) {
 
 static int enable_utf8(int fd) {
         int r = 0, k;
-
-        if (ioctl(fd, KDSKBMODE, K_UNICODE) < 0)
-                r = -errno;
+        long current = 0;
+
+        if (ioctl(fd, KDGKBMODE, &current) < 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 (loop_write(fd, "\033%G", 3, false) < 0)
                 r = -errno;
 
-        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;
 
@@ -158,47 +172,43 @@ static int font_load(const char *vc, const char *font, const char *map, const ch
         return 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 = {};
+        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 */
+                ioctl(vcfd, KDFONTOP, &cfo);
         }
 }
 
@@ -212,7 +222,7 @@ int main(int argc, char **argv) {
         int fd = -1;
         bool utf8;
         pid_t font_pid = 0, keymap_pid = 0;
-        int font_copy_from_vt = 0;
+        bool font_copy = false;
         int r = EXIT_FAILURE;
 
         log_set_target(LOG_TARGET_AUTO);
@@ -224,8 +234,8 @@ int main(int argc, char **argv) {
         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);
@@ -241,8 +251,18 @@ int main(int argc, char **argv) {
 
         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("Failed to read /etc/vconsole.conf: %s", strerror(-r));
+
+        /* 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,
@@ -256,21 +276,6 @@ int main(int argc, char **argv) {
                         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));
-        }
-
         if (utf8)
                 enable_utf8(fd);
         else
@@ -287,8 +292,8 @@ finish:
 
         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);
+                if (font_copy)
+                        font_copy_to_all_vcs(fd);
         }
 
         free(vc_keymap);