X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Finitctl.c;h=10db2dda188e95eae7d6ae814a0ea8c35fb95381;hp=b6bcaf9fc6ecee159bd6818005167b67dfd0a766;hb=7f97f0fee46ae167c27c5be21ee0caddacbc6bf9;hpb=f5a3628cc7aa132bb0ee6be48f3cedc2d8838046 diff --git a/src/initctl.c b/src/initctl.c index b6bcaf9fc..10db2dda1 100644 --- a/src/initctl.c +++ b/src/initctl.c @@ -1,4 +1,4 @@ -/*-*- Mode: C; c-basic-offset: 8 -*-*/ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. @@ -41,6 +41,7 @@ #include "initreq.h" #include "special.h" #include "sd-daemon.h" +#include "dbus-common.h" #define SERVER_FD_MAX 16 #define TIMEOUT ((int) (10*MSEC_PER_SEC)) @@ -118,12 +119,12 @@ static void change_runlevel(Server *s, int runlevel) { DBUS_TYPE_STRING, &target, DBUS_TYPE_STRING, &replace, DBUS_TYPE_INVALID)) { - log_error("Could not attach target and flag information to signal message."); + log_error("Could not attach target and flag information to message."); goto finish; } if (!(reply = dbus_connection_send_with_reply_and_block(s->bus, m, -1, &error))) { - log_error("Failed to start unit: %s", error.message); + log_error("Failed to start unit: %s", bus_error_message(&error)); goto finish; } @@ -231,8 +232,9 @@ static void server_done(Server *s) { close_nointr_nofail(s->epoll_fd); if (s->bus) { - dbus_connection_set_exit_on_disconnect(s->bus, FALSE); - dbus_connection_unref(s->bus); + dbus_connection_flush(s->bus); + dbus_connection_close(s->bus); + dbus_connection_unref(s->bus); } } @@ -290,14 +292,14 @@ static int server_init(Server *s, unsigned n_sockets) { goto fail; } - f->fd = SD_LISTEN_FDS_START+i; + f->fd = fd; LIST_PREPEND(Fifo, fifo, s->fifos, f); f->server = s; s->n_fifos ++; } - if (!(s->bus = dbus_connection_open("unix:abstract=/org/freedesktop/systemd1/private", &error))) { - log_error("Failed to get D-Bus connection: %s", error.message); + if (bus_connect(DBUS_BUS_SYSTEM, &s->bus, NULL, &error) < 0) { + log_error("Failed to get D-Bus connection: %s", bus_error_message(&error)); goto fail; } @@ -334,25 +336,36 @@ static int process_event(Server *s, struct epoll_event *ev) { int main(int argc, char *argv[]) { Server server; - int r = 3, n; + int r = EXIT_FAILURE, n; + + if (getppid() != 1) { + log_error("This program should be invoked by init only."); + return EXIT_FAILURE; + } + + if (argc > 1) { + log_error("This program does not take arguments."); + return EXIT_FAILURE; + } log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); log_parse_environment(); - - log_info("systemd-initctl running as pid %lu", (unsigned long) getpid()); + log_open(); if ((n = sd_listen_fds(true)) < 0) { log_error("Failed to read listening file descriptors from environment: %s", strerror(-r)); - return 1; + return EXIT_FAILURE; } if (n <= 0 || n > SERVER_FD_MAX) { log_error("No or too many file descriptors passed."); - return 2; + return EXIT_FAILURE; } if (server_init(&server, (unsigned) n) < 0) - return 2; + return EXIT_FAILURE; + + log_debug("systemd-initctl running as pid %lu", (unsigned long) getpid()); sd_notify(false, "READY=1\n" @@ -376,10 +389,13 @@ int main(int argc, char *argv[]) { if (k <= 0) break; - if ((k = process_event(&server, &event)) < 0) + if (process_event(&server, &event) < 0) goto fail; } - r = 0; + + r = EXIT_SUCCESS; + + log_debug("systemd-initctl stopped as pid %lu", (unsigned long) getpid()); fail: sd_notify(false, @@ -387,8 +403,6 @@ fail: server_done(&server); - log_info("systemd-initctl stopped as pid %lu", (unsigned long) getpid()); - dbus_shutdown(); return r;