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Refactor main() into more functions and convert #ifdef hell into plugins.

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2012-09-21 03:32:07 +02:00
1 parent 239772d667
commit 5dda9051ac
14 files changed
+690 -263
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finit.c
+108 -175
View File
@@ -27,18 +27,39 @@
#include <sys/mount.h>
#include <dirent.h>
#include <linux/fs.h>
#include <utmp.h>
#include "finit.h"
#include "helpers.h"
#include "plugin.h"
#include "service.h"
#include "signal.h"
int debug = 0;
int verbose = 1;
char *sdown = NULL;
char *network = NULL;
char *startx = NULL;
int debug = 0;
int verbose = 1;
char *sdown = NULL;
char *network = NULL;
char *startx = NULL;
char *username = NULL;
char *hostname = NULL;
static void parse_kernel_cmdline(void)
{
FILE *fp;
char line[LINE_SIZE];
if ((fp = fopen("/proc/cmdline", "r")) != NULL) {
fgets(line, sizeof(line), fp);
if (strstr(line, "finit_debug") || strstr(line, "--debug"))
debug = 1;
if (!debug && strstr(line, "quiet"))
verbose = 0;
fclose(fp);
}
}
static char *build_cmd(char *cmd, char *line, int len)
{
@@ -66,77 +87,20 @@ static char *build_cmd(char *cmd, char *line, int len)
return cmd;
}
int main(int UNUSED(args), char *argv[])
static void parse_finit_conf(char *file)
{
FILE *fp;
char line[LINE_SIZE];
char username[USERNAME_SIZE] = DEFUSER;
char hostname[HOSTNAME_SIZE] = DEFHOST;
char cmd[CMD_SIZE];
#ifdef USE_ETC_RESOLVCONF_RUN
DIR *dir;
struct dirent *d;
#endif
#ifdef RUNLEVEL
struct utmp entry;
#endif
#ifdef PAM_CONSOLE
int fd;
#endif
/*
* Initial setup of signals, ignore all until we're up.
*/
sig_init();
/* Default username and hostname */
username = strdup(DEFUSER);
hostname = strdup(DEFHOST);
/*
* Mount base file system, kernel is assumed to run devtmpfs for /dev
*/
chdir("/");
umask(0);
mount("none", "/proc", "proc", 0, NULL);
mount("none", "/proc/bus/usb", "usbfs", 0, NULL);
mount("none", "/sys", "sysfs", 0, NULL);
mkdir("/dev/pts", 0755);
mkdir("/dev/shm", 0755);
mount("none", "/dev/pts", "devpts", 0, "gid=5,mode=620");
mount("none", "/dev/shm", "tmpfs", 0, NULL);
umask(022);
/*
* Populate /dev and prepare for runtime events from kernel.
*/
#if defined(USE_UDEV)
run_interactive("udevd --daemon", "Populating device tree");
#elif defined (MDEV)
run_interactive(MDEV "-s", "Populating device tree");
#endif
/*
* Parse kernel parameters
*/
if ((fp = fopen("/proc/cmdline", "r")) != NULL) {
fgets(line, sizeof(line), fp);
if (strstr(line, "finit_debug") || strstr(line, "--debug"))
debug = 1;
if (!debug && strstr(line, "quiet"))
verbose = 0;
fclose(fp);
}
cls();
echo("finit " VERSION " (built " __DATE__ " " __TIME__ " by " WHOAMI ")");
/*
* Parse configuration file
*/
if ((fp = fopen(FINIT_CONF, "r")) != NULL) {
if ((fp = fopen(file, "r")) != NULL) {
char *x;
_d("Parse %s ...", FINIT_CONF);
_d("Parse %s ...", file);
while (!feof(fp)) {
if (!fgets(line, sizeof(line), fp))
continue;
@@ -156,13 +120,13 @@ int main(int UNUSED(args), char *argv[])
continue;
}
if (MATCH_CMD(line, "user ", x)) {
*username = 0;
build_cmd(username, x, USERNAME_SIZE);
if (username) free(username);
username = build_cmd(NULL, x, USERNAME_SIZE);
continue;
}
if (MATCH_CMD(line, "host ", x)) {
*hostname = 0;
build_cmd(hostname, x, HOSTNAME_SIZE);
if (hostname) free(hostname);
hostname = build_cmd(NULL, x, HOSTNAME_SIZE);
continue;
}
if (MATCH_CMD(line, "shutdown ", x)) {
@@ -200,6 +164,53 @@ int main(int UNUSED(args), char *argv[])
}
fclose(fp);
}
}
int main(int UNUSED(args), char *argv[])
{
/*
* Initial setup of signals, ignore all until we're up.
*/
sig_init();
/*
* Mount base file system, kernel is assumed to run devtmpfs for /dev
*/
chdir("/");
umask(0);
mount("none", "/proc", "proc", 0, NULL);
mount("none", "/proc/bus/usb", "usbfs", 0, NULL);
mount("none", "/sys", "sysfs", 0, NULL);
mkdir("/dev/pts", 0755);
mkdir("/dev/shm", 0755);
mount("none", "/dev/pts", "devpts", 0, "gid=5,mode=620");
mount("none", "/dev/shm", "tmpfs", 0, NULL);
umask(022);
/*
* Populate /dev and prepare for runtime events from kernel.
*/
#if defined(USE_UDEV)
run_interactive("udevd --daemon", "Populating device tree");
#elif defined (MDEV)
run_interactive(MDEV "-s", "Populating device tree");
#endif
/*
* Parse kernel parameters
*/
parse_kernel_cmdline();
cls();
echo("finit " VERSION " (built " __DATE__ " " __TIME__ " by " WHOAMI ")");
_d("Loading plugins ...");
load_plugins(PLUGIN_PATH);
/*
* Parse configuration file
*/
parse_finit_conf(FINIT_CONF);
/*
* Mount filesystems
@@ -213,8 +224,8 @@ int main(int UNUSED(args), char *argv[])
run(SYSROOT, "/", NULL, MS_MOVE, NULL);
#endif
umask(0);
run("mount -na");
run("swapon -ea");
run("/bin/mount -na");
run("/sbin/swapon -ea");
umask(0022);
/* Cleanup stale files, if any still linger on. */
@@ -226,66 +237,14 @@ int main(int UNUSED(args), char *argv[])
sig_setup();
/*
* Time adjustments
* Most user-level hooks run here, unless they are service hooks
*/
#ifndef NO_HCTOSYS
_d("Adjust system clock ...");
run_interactive("/sbin/hwclock --hctosys", "Restoring system clock (UTC) from RTC");
#endif
run_hooks(HOOK_POST_SIGSETUP);
/*
* Network stuff
*/
#ifdef USE_ETC_RESOLVCONF_RUN
makepath("/dev/shm/network");
makepath("/dev/shm/resolvconf/interface");
if ((dir = opendir("/etc/resolvconf/run/interface")) != NULL) {
while ((d = readdir(dir)) != NULL) {
if (isalnum(d->d_name[0]))
continue;
snprintf(line, sizeof(line),
"/etc/resolvconf/run/interface/%s", d->d_name);
unlink(line);
}
closedir(dir);
}
#endif
#ifdef USE_VAR_RUN_RESOLVCONF
makepath("/var/run/resolvconf/interface");
symlink("../../../etc/resolv.conf", "/var/run/resolvconf/resolv.conf");
#endif
#ifdef RUNLEVEL
touch("/var/run/utmp");
chown("/var/run/utmp", 0, getgroup("utmp"));
chmod("/var/run/utmp", 0664);
memset(&entry, 0, sizeof(struct utmp));
entry.ut_type = RUN_LVL;
entry.ut_pid = '0' + RUNLEVEL;
setutent();
pututline(&entry);
endutent();
#endif
#ifdef USE_ETC_RESOLVCONF_RUN
touch("/etc/resolvconf/run/enable-updates");
chdir("/etc/resolvconf/run/interface");
run_parts("/etc/resolvconf/update.d", "-i", NULL);
chdir("/");
#endif /* USE_ETC_RESOLVCONF_RUN */
#ifdef TOUCH_ETC_NETWORK_RUN_IFSTATE
touch("/etc/network/run/ifstate");
#else
remove("/etc/network/run/ifstate");
#endif
/* Setup kernel specific settings, e.g. allow broadcast ping, etc. */
run("/sbin/sysctl -e -p /etc/sysctl.conf >/dev/null");
@@ -295,55 +254,22 @@ int main(int UNUSED(args), char *argv[])
ifconfig("lo", "127.0.0.1", "255.0.0.0", 1);
if (network)
run_interactive(network, "Starting networking: %s", network);
/*
* Set random seed
*/
#ifdef RANDOMSEED
copyfile(RANDOMSEED, "/dev/urandom", 0);
unlink(RANDOMSEED);
umask(077);
copyfile("/dev/urandom", RANDOMSEED, 4096);
umask(0);
#endif
/*
* Console setup (for X)
*/
makepath("/var/run/console");
snprintf(line, sizeof(line), "/var/run/console/%s", username);
touch(line);
#ifdef PAM_CONSOLE
if ((fd = open("/var/run/console/console.lock", O_CREAT|O_WRONLY|O_TRUNC, 0644)) >= 0) {
write(fd, username, strlen(username));
close(fd);
run("/sbin/pam_console_apply");
}
#endif
/*
* Misc setup
*/
mkdir("/tmp/.X11-unix", 01777);
mkdir("/tmp/.ICE-unix", 01777);
mkdir("/var/run/sshd", 01755); /* OpenSSH */
mkfifo("/dev/xconsole", 0640); /* sysklogd */
chown("/dev/xconsole", 0, getgroup("tty"));
umask(022);
#ifdef USE_MESSAGE_BUS
_d("Starting D-Bus ...");
mkdir("/var/run/dbus", 0755);
mkdir("/var/lock/subsys/messagebus", 0755);
run("dbus-uuidgen --ensure");
remove("/var/run/dbus/pid");
run_interactive("dbus-daemon --system", "Starting D-Bus");
#endif
/*
* Hooks that rely on loopback, or basic networking being up.
*/
run_hooks(HOOK_POST_NETWORK);
/*
* Start service monitor framework
*/
_d("Starting services from %s", FINIT_CONF);
service_startup();
/* Run startup scripts in /etc/finit.d/, if any. */
run_parts(FINIT_RCSD);
#ifdef LISTEN_INITCTL
listen_initctl();
#endif
@@ -383,10 +309,9 @@ int main(int UNUSED(args), char *argv[])
/* ConsoleKit needs this */
setenv("DISPLAY", ":0", 1);
/* Run startup scripts in /etc/finit.d/, if any. */
run_parts(FINIT_RCSD);
while (!fexist(SYNC_SHUTDOWN)) {
char line[LINE_SIZE];
if (fexist(SYNC_STOPPED)) {
sleep(1);
continue;
@@ -413,6 +338,14 @@ int main(int UNUSED(args), char *argv[])
exit(0);
}
/*
* Hooks that should run at the very end
*/
run_hooks(HOOK_PRE_RUNLOOP);
/*
* Enter main service monitor loop -- restarts services that dies.
*/
service_monitor();
return 0;
finit.h
+4
View File
@@ -137,6 +137,10 @@
extern int debug;
extern int verbose;
extern char *sdown;
extern char *network;
extern char *startx;
extern char *hostname;
extern char *username;
/* initctl.c */
void listen_initctl (void);
plugin.c
+21 -15
View File
@@ -1,18 +1,24 @@
/* Test of dlopen() for a plugin based services architecture for finit
/* Plugin based services architecture for finit
*
* Copyright (c) 2012 Joachim Nilsson <troglobit@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <errno.h>
@@ -77,14 +83,14 @@ void run_services(void)
}
}
int load_plugins(void)
int load_plugins(char *path)
{
DIR *dp = opendir(PLUGIN_PATH);
DIR *dp = opendir(path);
struct dirent *entry;
if (!dp) {
fprintf(stderr, "Failed, cannot open plugin directory %s: %s\n",
PLUGIN_PATH, strerror(errno));
path, strerror(errno));
return 1;
}
@@ -95,7 +101,7 @@ int load_plugins(void)
void *handle;
char filename[1024];
snprintf(filename, sizeof(filename), "%s/%s", PLUGIN_PATH, entry->d_name);
snprintf(filename, sizeof(filename), "%s/%s", path, entry->d_name);
printf("Loading plugin %s ...\n", filename);
handle = dlopen(filename, RTLD_LAZY);
if (!handle) {
plugin.h
+21 -14
View File
@@ -1,18 +1,24 @@
/* Plugin framework
/* Plugin based services architecture for finit
*
* Copyright (c) 2012 Joachim Nilsson <troglobit@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef PLUGIN_H_
@@ -20,7 +26,6 @@
#include <sys/queue.h> /* BSD sys/queue.h API */
#define __unused __attribute__ ((unused))
#define PLUGIN_INIT(x) void x(void) __attribute__ ((constructor));
#define PLUGIN_EXIT(x) void x(void) __attribute__ ((destructor));
@@ -32,8 +37,10 @@
typedef enum {
HOOK_POST_LOAD = 0,
HOOK_PRE_SETUP,
HOOK_POST_SIGSETUP,
HOOK_POST_NETWORK,
HOOK_PRE_RUNLOOP,
HOOK_EXIT_CLEANUP,
HOOK_SHUTDOWN,
HOOK_MAX_NUM
} hook_point_t;
@@ -64,7 +71,7 @@ int plugin_unregister (plugin_t *plugin);
/* Private daemon API */
void run_hooks (hook_point_t no);
void run_services (void);
int load_plugins (void);
int load_plugins (char *path);
#endif /* PLUGIN_H_ */
plugins/Makefile
+2 -1
View File
@@ -2,7 +2,8 @@
CFLAGS = -fPIC -g -Os -I..
CPPFLAGS = -W -Wall
LDFLAGS = -shared
PLUGINS = foo.so
PLUGINS = alsa-utils.so bootmisc.so dbus.so hwclock.so resolvconf.so \
urandom.so x11-common.so
DEPS = $(addprefix .,$(PLUGINS:.so=.d))
include ../common.mk
plugins/alsa-utils.c
+68
View File
@@ -0,0 +1,68 @@
/* Save and restore ALSA sound settings using alsactl
*
* Copyright (c) 2012 Joachim Nilsson <troglobit@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "finit.h"
#include "helpers.h"
#include "plugin.h"
static void save(void *UNUSED(arg))
{
_d("Saving system clock to RTC ...");
run_interactive("/usr/sbin/alsactl store > /dev/null 2>&1", "Saving sound settings");
}
static void restore(void *UNUSED(arg))
{
_d("Restoring system clock from RTC ...");
run_interactive("/usr/sbin/alsactl restore > /dev/null 2>&1", "Restoring sound settings");
}
static plugin_t plugin = {
.hook[HOOK_POST_SIGSETUP] = {
.cb = restore
},
.hook[HOOK_SHUTDOWN] = {
.cb = save
}
};
static void init_plugin(void)
{
plugin_register(&plugin);
}
static void exit_plugin(void)
{
plugin_unregister(&plugin);
}
PLUGIN_INIT(init_plugin)
PLUGIN_EXIT(exit_plugin)
/**
* Local Variables:
* version-control: t
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/
plugins/bootmisc.c
+83
View File
@@ -0,0 +1,83 @@
/* Setup necessary files for UTMP, tracking logins
*
* Copyright (c) 2012 Joachim Nilsson <troglobit@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <string.h>
#include <utmp.h>
#include "finit.h"
#include "helpers.h"
#include "plugin.h"
static void setup(void *UNUSED(arg))
{
#ifdef RUNLEVEL
struct utmp entry;
#endif
_d("Setting up necessary UTMP files ...");
touch("/var/run/utmp");
chown("/var/run/utmp", 0, getgroup("utmp"));
chmod("/var/run/utmp", 0664);
#ifdef RUNLEVEL
memset(&entry, 0, sizeof(struct utmp));
entry.ut_type = RUN_LVL;
entry.ut_pid = '0' + RUNLEVEL;
setutent();
pututline(&entry);
endutent();
#endif
#ifdef TOUCH_ETC_NETWORK_RUN_IFSTATE
touch("/etc/network/run/ifstate");
#else
remove("/etc/network/run/ifstate");
#endif
}
static plugin_t plugin = {
.hook[HOOK_POST_SIGSETUP] = {
.cb = setup
},
};
static void init_plugin(void)
{
plugin_register(&plugin);
}
static void exit_plugin(void)
{
plugin_unregister(&plugin);
}
PLUGIN_INIT(init_plugin)
PLUGIN_EXIT(exit_plugin)
/**
* Local Variables:
* version-control: t
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/
plugins/dbus.c
+65
View File
@@ -0,0 +1,65 @@
/* Setup and start system message bus, D-Bus
*
* Copyright (c) 2012 Joachim Nilsson <troglobit@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "finit.h"
#include "helpers.h"
#include "plugin.h"
static void setup(void *UNUSED(arg))
{
#ifdef USE_MESSAGE_BUS
_d("Starting D-Bus ...");
mkdir("/var/run/dbus", 0755);
mkdir("/var/lock/subsys/messagebus", 0755);
run("dbus-uuidgen --ensure");
remove("/var/run/dbus/pid");
run_interactive("dbus-daemon --system", "Starting D-Bus");
#endif
}
static plugin_t plugin = {
.hook[HOOK_POST_NETWORK] = {
.cb = setup
},
};
static void init_plugin(void)
{
plugin_register(&plugin);
}
static void exit_plugin(void)
{
plugin_unregister(&plugin);
}
PLUGIN_INIT(init_plugin)
PLUGIN_EXIT(exit_plugin)
/**
* Local Variables:
* version-control: t
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/
plugins/foo.c
-54
View File
@@ -1,54 +0,0 @@
/* Test of plugin to dynamic-linking daemon.
*
* Copyright (c) 2012 Joachim Nilsson <troglobit@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include "plugin.h"
#define PLUGIN_NAME "foo"
static void service(void *arg __unused)
{
printf("Service %s\n", PLUGIN_NAME);
}
static plugin_t plugin = {
.name = PLUGIN_NAME,
.svc = {
.cb = service,
},
};
static void init_plugin(void)
{
plugin_register(&plugin);
}
static void exit_plugin(void)
{
plugin_unregister(&plugin);
}
PLUGIN_INIT(init_plugin)
PLUGIN_EXIT(exit_plugin)
/**
* Local Variables:
* version-control: t
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/
plugins/hwclock.c
+68
View File
@@ -0,0 +1,68 @@
/* Save and restore RTC using hwclock
*
* Copyright (c) 2012 Joachim Nilsson <troglobit@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "finit.h"
#include "helpers.h"
#include "plugin.h"
static void save(void *UNUSED(arg))
{
_d("Saving system clock to RTC ...");
run_interactive("/sbin/hwclock --systohc --utc", "Saving system time (UTC) to RTC");
}
static void restore(void *UNUSED(arg))
{
_d("Restoring system clock from RTC ...");
run_interactive("/sbin/hwclock --hctosys --utc", "Restoring system clock (UTC) from RTC");
}
static plugin_t plugin = {
.hook[HOOK_POST_SIGSETUP] = {
.cb = restore
},
.hook[HOOK_SHUTDOWN] = {
.cb = save
}
};
static void init_plugin(void)
{
plugin_register(&plugin);
}
static void exit_plugin(void)
{
plugin_unregister(&plugin);
}
PLUGIN_INIT(init_plugin)
PLUGIN_EXIT(exit_plugin)
/**
* Local Variables:
* version-control: t
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/
plugins/resolvconf.c
+92
View File
@@ -0,0 +1,92 @@
/* Setup necessary files for resolvconf
*
* Copyright (c) 2012 Joachim Nilsson <troglobit@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "finit.h"
#include "helpers.h"
#include "plugin.h"
static void setup(void *UNUSED(arg))
{
#ifdef USE_ETC_RESOLVCONF_RUN
DIR *dir;
struct dirent *d;
#endif
_d("Setting up the resolver ...");
#ifdef USE_ETC_RESOLVCONF_RUN
makepath("/dev/shm/network");
makepath("/dev/shm/resolvconf/interface");
if ((dir = opendir("/etc/resolvconf/run/interface")) != NULL) {
while ((d = readdir(dir)) != NULL) {
if (isalnum(d->d_name[0]))
continue;
snprintf(line, sizeof(line),
"/etc/resolvconf/run/interface/%s", d->d_name);
unlink(line);
}
closedir(dir);
}
#endif
#ifdef USE_VAR_RUN_RESOLVCONF
makepath("/var/run/resolvconf/interface");
symlink("../../../etc/resolv.conf", "/var/run/resolvconf/resolv.conf");
#endif
#ifdef USE_ETC_RESOLVCONF_RUN
touch("/etc/resolvconf/run/enable-updates");
chdir("/etc/resolvconf/run/interface");
run_parts("/etc/resolvconf/update.d", "-i", NULL);
chdir("/");
#endif /* USE_ETC_RESOLVCONF_RUN */
}
static plugin_t plugin = {
.hook[HOOK_POST_SIGSETUP] = {
.cb = setup
},
};
static void init_plugin(void)
{
plugin_register(&plugin);
}
static void exit_plugin(void)
{
plugin_unregister(&plugin);
}
PLUGIN_INIT(init_plugin)
PLUGIN_EXIT(exit_plugin)
/**
* Local Variables:
* version-control: t
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/
plugins/urandom.c
+68
View File
@@ -0,0 +1,68 @@
/* Setup random seed
*
* Copyright (c) 2012 Joachim Nilsson <troglobit@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "finit.h"
#include "helpers.h"
#include "plugin.h"
static void setup(void *UNUSED(arg))
{
#ifdef RANDOMSEED
copyfile(RANDOMSEED, "/dev/urandom", 0);
unlink(RANDOMSEED);
umask(077);
copyfile("/dev/urandom", RANDOMSEED, 4096);
umask(0);
#endif
}
static plugin_t plugin = {
.hook[HOOK_POST_SIGSETUP] = {
.cb = setup
},
};
static void init_plugin(void)
{
plugin_register(&plugin);
}
static void exit_plugin(void)
{
plugin_unregister(&plugin);
}
PLUGIN_INIT(init_plugin)
PLUGIN_EXIT(exit_plugin)
/**
* Local Variables:
* version-control: t
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/
plugins/x11-common.c
+83
View File
@@ -0,0 +1,83 @@
/* Console setup (for X)
*
* Copyright (c) 2012 Joachim Nilsson <troglobit@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "finit.h"
#include "helpers.h"
#include "plugin.h"
static void setup(void *UNUSED(arg))
{
#ifdef PAM_CONSOLE
int fd;
#endif
char line[LINE_SIZE];
makepath("/var/run/console");
snprintf(line, sizeof(line), "/var/run/console/%s", username);
touch(line);
#ifdef PAM_CONSOLE
if ((fd = open("/var/run/console/console.lock", O_CREAT|O_WRONLY|O_TRUNC, 0644)) >= 0) {
write(fd, username, strlen(username));
close(fd);
run("/sbin/pam_console_apply");
}
#endif
mkdir("/tmp/.X11-unix", 01777);
mkdir("/tmp/.ICE-unix", 01777);
mkdir("/var/run/sshd", 01755); /* OpenSSH */
mkfifo("/dev/xconsole", 0640); /* sysklogd */
chown("/dev/xconsole", 0, getgroup("tty"));
}
static plugin_t plugin = {
.hook[HOOK_POST_NETWORK] = {
.cb = setup
},
};
static void init_plugin(void)
{
plugin_register(&plugin);
}
static void exit_plugin(void)
{
plugin_unregister(&plugin);
}
PLUGIN_INIT(init_plugin)
PLUGIN_EXIT(exit_plugin)
/**
* Local Variables:
* version-control: t
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/
signal.c
+7 -4
View File
@@ -43,6 +43,7 @@
#include "finit.h"
#include "helpers.h"
#include "plugin.h"
#include "signal.h"
static int stopped = 0;
@@ -57,10 +58,11 @@ void do_shutdown (int sig)
_d("Sending SIGTERM to all processes.");
kill(-1, SIGTERM);
sleep(2);
run_interactive("/usr/sbin/alsactl store > /dev/null 2>&1", "Saving sound settings");
_d("Saving the system clock.");
run_interactive("/sbin/hwclock --utc --systohc", "Saving system time (UTC) to RTC");
sleep(1);
/* Call all shutdown hooks, this is the last call before rebooting... */
run_hooks(HOOK_SHUTDOWN);
_d("Sending SIGKILL to remaining processes.");
kill(-1, SIGKILL);
@@ -69,6 +71,7 @@ void do_shutdown (int sig)
_d("Unmounting file systems, remounting / read-only.");
run("/bin/umount -fa 2>/dev/null");
run("/bin/mount -n -o remount,ro / 2>/dev/null");
run("/sbin/swapoff -ea");
_d("%s.", sig == SIGINT || sig == SIGUSR1 ? "Rebooting" : "Halting");
if (sig == SIGINT || sig == SIGUSR1)