diff options
Diffstat (limited to 'src/auto-serial-getty.c')
-rw-r--r-- | src/auto-serial-getty.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/src/auto-serial-getty.c b/src/auto-serial-getty.c deleted file mode 100644 index 355cdfd6a6..0000000000 --- a/src/auto-serial-getty.c +++ /dev/null @@ -1,189 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - 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 <errno.h> -#include <string.h> -#include <stdlib.h> - -#include <dbus/dbus.h> - -#include "util.h" -#include "log.h" -#include "dbus-common.h" - -static int spawn_getty(DBusConnection *bus, const char *console) { - DBusMessage *m = NULL, *reply = NULL; - DBusError error; - const char *fail = "fail"; - char *name; - int r = -EIO; - - dbus_error_init(&error); - - assert(bus); - assert(console); - - /* FIXME: we probably should escape the tty name properly here */ - if (asprintf(&name, "serial-getty@%s.service", console) < 0) - return -ENOMEM; - - if (!(m = dbus_message_new_method_call("org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StartUnit"))) { - log_error("Could not allocate message."); - goto finish; - } - - if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_STRING, &fail, - DBUS_TYPE_INVALID)) { - log_error("Could not attach target and flag information to message."); - goto finish; - } - - if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to start unit: %s", bus_error_message(&error)); - goto finish; - } - - r = 0; - -finish: - if (m) - dbus_message_unref(m); - - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - - free(name); - - return r; -} - -static int parse_proc_cmdline_word(const char *word, char **console) { - assert(word); - - if (startswith(word, "console=")) { - const char *k; - size_t l; - char *w = NULL; - - k = word + 8; - l = strcspn(k, ","); - - if (l < 4 || - !startswith(k, "tty") || - k[3+strspn(k+3, "0123456789")] != 0) { - - if (!(w = strndup(k, l))) - return -ENOMEM; - - } - - free(*console); - *console = w; - } - - return 0; -} - -static int parse_proc_cmdline(char **console) { - char *line; - int r; - char *w; - size_t l; - char *state; - - assert(console); - - if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) { - log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); - return 0; - } - - FOREACH_WORD_QUOTED(w, l, line, state) { - char *word; - - if (!(word = strndup(w, l))) { - r = -ENOMEM; - goto finish; - } - - r = parse_proc_cmdline_word(word, console); - free(word); - - if (r < 0) - goto finish; - } - - r = 0; - -finish: - free(line); - return r; -} - -int main(int argc, char *argv[]) { - DBusError error; - int r = 1; - char *console = NULL; - DBusConnection *bus = NULL; - - dbus_error_init(&error); - - if (argc > 1) { - log_error("This program does not take arguments."); - return 1; - } - - log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); - log_parse_environment(); - log_open(); - - if (bus_connect(DBUS_BUS_SYSTEM, &bus, NULL, &error) < 0) { - log_error("Failed to get D-Bus connection: %s", bus_error_message(&error)); - goto finish; - } - - if (parse_proc_cmdline(&console) < 0) - goto finish; - - if (console) - if (spawn_getty(bus, console) < 0) - goto finish; - - r = 0; - -finish: - free(console); - - if (bus) { - dbus_connection_close(bus); - dbus_connection_unref(bus); - } - - dbus_error_free(&error); - - dbus_shutdown(); - - return r; -} |