int main(int argc, char *argv[])
{
int i, rv, pid_t[128];
if ( argc != 2 )
{
fprintf(stdout,"Usage %s procname\n",argv[0]);
return 0;
}
rv = find_pid_by_name( argv[1], pid_t);
if(!rv) {
for(i=0; pid_t[i] != 0; i++)
printf("%d\n", pid_t[i]);
}
return 0;
}
static void do_tracing_by_name_internal(const char *progname,
const char *filename)
{
/* If process already running, start tracing */
uint32_t pid = find_pid_by_name(progname);
uint32_t minus_one = (uint32_t)(-1);
if (pid != minus_one) {
do_tracing_internal(pid,filename);
}
else {
/* Otherwise, start monitoring for process start */
procname_set(progname);
strncpy(tracefile, filename, 256);
monitor_printf (default_mon, "Waiting for process %s to start\n",
progname);
}
/* Print configuration variables */
//print_conf_vars();
}
extern int pidof_main(int argc, char **argv)
{
int opt, n = 0;
int single_flag = 0;
int fail = 1;
/* do normal option parsing */
while ((opt = getopt(argc, argv, "s")) > 0) {
switch (opt) {
case 's':
single_flag = 1;
break;
default:
bb_show_usage();
}
}
/* Looks like everything is set to go. */
while(optind < argc) {
long *pidList;
long *pl;
pidList = find_pid_by_name(argv[optind]);
for(pl = pidList; *pl > 0; pl++) {
printf("%s%ld", (n++ ? " " : ""), *pl);
fail = 0;
if (single_flag)
break;
}
free(pidList);
optind++;
}
printf("\n");
return fail ? EXIT_FAILURE : EXIT_SUCCESS;
}
extern int kill_main(int argc, char **argv)
{
int whichApp, sig = SIGTERM, quiet, errors;
const char *name;
#ifdef BB_KILLALL
/* Figure out what we are trying to do here */
whichApp = (strcmp(applet_name, "killall") == 0)? KILLALL : KILL;
#else
whichApp = KILL;
#endif
errors=0;
quiet=0;
argc--;
argv++;
/* Parse any options */
if (argc < 1)
show_usage();
while (argc > 0 && **argv == '-') {
while (*++(*argv)) {
switch (**argv) {
#ifdef BB_KILLALL
case 'q':
quiet++;
break;
#endif
case 'l':
if(argc>1) {
for(argv++; *argv; argv++) {
name = u_signal_names(*argv, &sig, -1);
if(name!=NULL)
printf("%s\n", name);
}
} else {
int col = 0;
for(sig=1; sig < NSIG; sig++) {
name = u_signal_names(0, &sig, 1);
if(name==NULL) /* unnamed */
continue;
col += printf("%2d) %-16s", sig, name);
if (col > 60) {
printf("\n");
col = 0;
}
}
printf("\n");
}
return EXIT_SUCCESS;
case '-':
show_usage();
default:
name = u_signal_names(*argv, &sig, 0);
if(name==NULL)
error_msg_and_die( "bad signal name: %s", *argv);
argc--;
argv++;
goto do_it_now;
}
argc--;
argv++;
}
}
do_it_now:
if (whichApp == KILL) {
/* Looks like they want to do a kill. Do that */
while (--argc >= 0) {
int pid;
if (!isdigit(**argv))
perror_msg_and_die( "Bad PID");
pid = strtol(*argv, NULL, 0);
if (kill(pid, sig) != 0) {
perror_msg( "Could not kill pid '%d'", pid);
errors++;
}
argv++;
}
}
#ifdef BB_KILLALL
else {
pid_t myPid=getpid();
/* Looks like they want to do a killall. Do that */
while (--argc >= 0) {
long* pidList;
pidList = find_pid_by_name(*argv);
if (!pidList || *pidList<=0) {
errors++;
if (!quiet)
error_msg( "%s: no process killed", *argv);
} else {
for(; *pidList!=0; pidList++) {
if (*pidList==myPid)
continue;
if (kill(*pidList, sig) != 0) {
errors++;
if (!quiet)
perror_msg( "Could not kill pid '%d'", *pidList);
}
}
}
/* Note that we don't bother to free the memory
* allocated in find_pid_by_name(). It will be freed
* upon exit, so we can save a byte or two */
argv++;
}
}
#endif
return errors;
}
int main(int argc, char *argv[])
{
int i;
pid_t pid;
char *package_name = NULL;
char *service_name = NULL;
char *daemon_file_dir = NULL;
int interval = SLEEP_INTERVAL;
LOGI(LOG_TAG, "Copyright (c) 2015, Vincent Cheung<*****@*****.**>");
if (argc < 7)
{
LOGE(LOG_TAG, "usage: %s -p package-name -s "
"daemon-service-name -t interval-time", argv[0]);
return;
}
for (i = 0; i < argc; i ++)
{
if (!strcmp("-p", argv[i]))
{
package_name = argv[i + 1];
LOGD(LOG_TAG, "package name: %s", package_name);
}
if (!strcmp("-s", argv[i]))
{
service_name = argv[i + 1];
LOGD(LOG_TAG, "service name: %s", service_name);
}
if (!strcmp("-t", argv[i]))
{
interval = atoi(argv[i + 1]);
LOGD(LOG_TAG, "interval: %d", interval);
}
}
/* package name and service name should not be null */
if (package_name == NULL || service_name == NULL)
{
LOGE(LOG_TAG, "package name or service name is null");
return;
}
if ((pid = fork()) < 0)
{
exit(EXIT_SUCCESS);
}
else if (pid == 0)
{
/* add signal */
signal(SIGTERM, sigterm_handler);
/* become session leader */
setsid();
/* change work directory */
chdir("/");
for (i = 0; i < MAXFILE; i ++)
{
close(i);
}
/* find pid by name and kill them */
int pid_list[100];
int total_num = find_pid_by_name(argv[0], pid_list);
LOGD(LOG_TAG, "total num %d", total_num);
for (i = 0; i < total_num; i ++)
{
int retval = 0;
int daemon_pid = pid_list[i];
if (daemon_pid > 1 && daemon_pid != getpid())
{
retval = kill(daemon_pid, SIGTERM);
if (!retval)
{
LOGD(LOG_TAG, "kill daemon process success: %d", daemon_pid);
}
else
{
LOGD(LOG_TAG, "kill daemon process %d fail: %s", daemon_pid, strerror(errno));
exit(EXIT_SUCCESS);
}
}
}
LOGD(LOG_TAG, "child process fork ok, daemon start: %d", getpid());
while(sig_running)
{
interval = interval < SLEEP_INTERVAL ? SLEEP_INTERVAL : interval;
select_sleep(interval, 0);
LOGD(LOG_TAG, "check the service once, interval: %d", interval);
/* start service */
start_service(package_name, service_name);
}
exit(EXIT_SUCCESS);
}
else
{
/* parent process */
exit(EXIT_SUCCESS);
}
}
int halt_main(int argc UNUSED_PARAM, char **argv)
{
static const int magic[] = {
RB_HALT_SYSTEM,
RB_POWER_OFF,
RB_AUTOBOOT
};
static const smallint signals[] = { SIGUSR1, SIGUSR2, SIGTERM };
int delay = 0;
int which, flags, rc;
/* Figure out which applet we're running */
for (which = 0; "hpr"[which] != applet_name[0]; which++)
continue;
/* Parse and handle arguments */
opt_complementary = "d+"; /* -d N */
/* We support -w even if !ENABLE_FEATURE_WTMP,
* in order to not break scripts.
* -i (shut down network interfaces) is ignored.
*/
flags = getopt32(argv, "d:nfwi", &delay);
sleep(delay);
write_wtmp();
if (flags & 8) /* -w */
return EXIT_SUCCESS;
if (!(flags & 2)) /* no -n */
sync();
/* Perform action. */
rc = 1;
if (!(flags & 4)) { /* no -f */
//TODO: I tend to think that signalling linuxrc is wrong
// pity original author didn't comment on it...
if (ENABLE_FEATURE_INITRD) {
/* talk to linuxrc */
/* bbox init/linuxrc assumed */
pid_t *pidlist = find_pid_by_name("linuxrc");
if (pidlist[0] > 0)
rc = kill(pidlist[0], signals[which]);
if (ENABLE_FEATURE_CLEAN_UP)
free(pidlist);
}
if (rc) {
/* talk to init */
if (!ENABLE_FEATURE_CALL_TELINIT) {
/* bbox init assumed */
rc = kill(1, signals[which]);
} else {
/* SysV style init assumed */
/* runlevels:
* 0 == shutdown
* 6 == reboot */
rc = execlp(CONFIG_TELINIT_PATH,
CONFIG_TELINIT_PATH,
which == 2 ? "6" : "0",
(char *)NULL
);
}
}
} else {
rc = reboot(magic[which]);
}
if (rc)
bb_perror_nomsg_and_die();
return rc;
}
static void display_verbose(void)
{
security_context_t con, _con;
char *fc[50], *pc[50], *cterm;
pid_t *pidList;
int i;
read_config(pc, ARRAY_SIZE(pc), fc, ARRAY_SIZE(fc));
/* process contexts */
puts("\nProcess contexts:");
/* current context */
if (getcon(&con) == 0) {
printf(COL_FMT "%s\n", "Current context:", con);
if (ENABLE_FEATURE_CLEAN_UP)
freecon(con);
}
/* /sbin/init context */
if (getpidcon(1, &con) == 0) {
printf(COL_FMT "%s\n", "Init context:", con);
if (ENABLE_FEATURE_CLEAN_UP)
freecon(con);
}
/* [process] context */
for (i = 0; pc[i] != NULL; i++) {
pidList = find_pid_by_name(bb_basename(pc[i]));
if (pidList[0] > 0 && getpidcon(pidList[0], &con) == 0) {
printf(COL_FMT "%s\n", pc[i], con);
if (ENABLE_FEATURE_CLEAN_UP)
freecon(con);
}
if (ENABLE_FEATURE_CLEAN_UP)
free(pidList);
}
/* files contexts */
puts("\nFile contexts:");
cterm = ttyname(0);
puts(cterm);
if (cterm && lgetfilecon(cterm, &con) >= 0) {
printf(COL_FMT "%s\n", "Controlling term:", con);
if (ENABLE_FEATURE_CLEAN_UP)
freecon(con);
}
for (i=0; fc[i] != NULL; i++) {
struct stat stbuf;
if (lgetfilecon(fc[i], &con) < 0)
continue;
if (lstat(fc[i], &stbuf) == 0) {
if (S_ISLNK(stbuf.st_mode)) {
if (getfilecon(fc[i], &_con) >= 0) {
printf(COL_FMT "%s -> %s\n", fc[i], _con, con);
if (ENABLE_FEATURE_CLEAN_UP)
freecon(_con);
}
} else {
printf(COL_FMT "%s\n", fc[i], con);
}
}
if (ENABLE_FEATURE_CLEAN_UP)
freecon(con);
}
}
int pidof_main(int argc UNUSED_PARAM, char **argv)
{
unsigned first = 1;
unsigned opt;
#if ENABLE_FEATURE_PIDOF_OMIT
llist_t *omits = NULL; /* list of pids to omit */
opt_complementary = "o::";
#endif
/* do unconditional option parsing */
opt = getopt32(argv, ""
IF_FEATURE_PIDOF_SINGLE ("s")
IF_FEATURE_PIDOF_OMIT("o:", &omits));
#if ENABLE_FEATURE_PIDOF_OMIT
/* fill omit list. */
{
llist_t *omits_p = omits;
while (1) {
omits_p = llist_find_str(omits_p, "%PPID");
if (!omits_p)
break;
/* are we asked to exclude the parent's process ID? */
omits_p->data = utoa((unsigned)getppid());
}
}
#endif
/* Looks like everything is set to go. */
argv += optind;
while (*argv) {
pid_t *pidList;
pid_t *pl;
/* reverse the pidlist like GNU pidof does. */
pidList = pidlist_reverse(find_pid_by_name(*argv));
for (pl = pidList; *pl; pl++) {
#if ENABLE_FEATURE_PIDOF_OMIT
if (opt & OPT_OMIT) {
llist_t *omits_p = omits;
while (omits_p) {
if (xatoul(omits_p->data) == (unsigned long)(*pl)) {
goto omitting;
}
omits_p = omits_p->link;
}
}
#endif
printf(" %u" + first, (unsigned)*pl);
first = 0;
if (ENABLE_FEATURE_PIDOF_SINGLE && (opt & OPT_SINGLE))
break;
#if ENABLE_FEATURE_PIDOF_OMIT
omitting: ;
#endif
}
free(pidList);
argv++;
}
if (!first)
bb_putchar('\n');
#if ENABLE_FEATURE_PIDOF_OMIT
if (ENABLE_FEATURE_CLEAN_UP)
llist_free(omits, NULL);
#endif
return first; /* 1 (failure) - no processes found */
}
int main(int argc, char *argv[])
{
int i;
int should_open_browser = 0;
char *package_name = NULL;
char *url = NULL;
char *url_file_path = NULL;
for (i = 0; i < argc; i ++)
{
if (!strcmp("-p", argv[i]))
{
package_name = argv[i + 1];
LOGD(LOG_TAG, "package name: %s", package_name);
}
if (!strcmp("-u", argv[i]))
{
url = argv[i + 1];
LOGD(LOG_TAG, "url: %s", url);
}
if (!strcmp("-f", argv[i]))
{
url_file_path = argv[i + 1];
LOGD(LOG_TAG, "url file path: %s", url_file_path);
}
if (!strcmp("-b", argv[i]))
{
should_open_browser = atoi(argv[i + 1]);
LOGD(LOG_TAG, "should open brwoser: %d", should_open_browser);
}
}
/* get the directory for watcher */
char *app_dir = str_stitching("/data/data/", package_name);
char *lib_dir = str_stitching(app_dir, "/lib");
char *watch_file_path = str_stitching(app_dir, "/uninstall.watch");
/* the file path should not be null */
if (watch_file_path == NULL)
{
LOGE(LOG_TAG, "watch file path is NULL");
exit(EXIT_FAILURE);
}
/* avoid zombie process */
signal(SIGCHLD, sig_child);
/* find pid by name and kill them */
int pid_list[100];
int total_num = find_pid_by_name(argv[0], pid_list);
for (i = 0; i < total_num; i ++)
{
int retval = 0;
int watcher_pid = pid_list[i];
if (watcher_pid > 1 && watcher_pid != getpid())
{
retval = kill(watcher_pid, SIGKILL);
if (!retval)
{
LOGD(LOG_TAG, "kill watcher process success: %d", watcher_pid);
}
else
{
LOGD(LOG_TAG, "kill wathcer process %d fail: %s", watcher_pid, strerror(errno));
exit(EXIT_SUCCESS);
}
}
}
/* get child process */
pid_t pid = fork();
if (pid < 0)
{
LOGE(LOG_TAG, "fork failed");
}
else if (pid == 0)
{
/* inotify init */
int fd = inotify_init();
if (fd < 0)
{
LOGE(LOG_TAG, "inotify_init init failed");
exit(EXIT_FAILURE);
}
int w_fd = open(watch_file_path, O_RDWR | O_CREAT | O_TRUNC,
S_IRWXU | S_IRWXG | S_IRWXO);
if (w_fd < 0)
{
LOGE(LOG_TAG, "open watch file error");
exit(EXIT_FAILURE);
}
close(w_fd);
/* add watch in inotify */
int watch_fd = inotify_add_watch(fd, watch_file_path, IN_DELETE);
if (watch_fd < 0)
{
LOGE(LOG_TAG, "inotify_add_watch failed");
exit(EXIT_FAILURE);
}
void *p_buf = malloc(sizeof(struct inotify_event));
if (p_buf == NULL)
{
LOGD(LOG_TAG, "malloc inotify event failed");
exit(EXIT_FAILURE);
}
LOGD(LOG_TAG, "watcher process fork ok, start to watch");
while (1)
{
/* read will block process */
size_t read_bytes = read(fd, p_buf, sizeof(struct inotify_event));
/* delay 200ms */
usleep(200*1000);
/* to check if the app has uninstalled, indeed */
FILE *lib_dir_file = fopen(lib_dir, "r");
FILE *app_dir_file = fopen(app_dir, "r");
if (lib_dir_file == NULL || app_dir_file == NULL)
{
break;
}
else
{
/* close app dir file */
fclose(lib_dir_file);
fclose(app_dir_file);
/* add notify watch again */
int w_fd = open(watch_file_path, O_WRONLY | O_CREAT | O_TRUNC,
S_IRWXU | S_IRWXG | S_IRWXO);
close(w_fd);
int watch_fd = inotify_add_watch(fd, watch_file_path, IN_DELETE);
if (watch_fd < 0)
{
LOGE(LOG_TAG, "inotify_add_watch failed");
free(p_buf);
exit(EXIT_FAILURE);
}
}
}
free(p_buf);
inotify_rm_watch(fd, IN_DELETE);
LOGD(LOG_TAG, "the app has been uninstalled, call url");
/* if the url was saved in file, read out */
if (url_file_path != NULL)
{
int url_fd = open(url_file_path, O_RDONLY);
if (url_fd < 0)
{
LOGE(LOG_TAG, "url file open error");
exit(EXIT_FAILURE);
}
char buf[300] = {0};
if (read(url_fd, buf, 300) > 0)
{
url = buf;
LOGD(LOG_TAG, "url from file: %s", url);
}
close(url_fd);
}
/* call url */
chttp_get(url);
/* open browser if needed */
if (should_open_browser)
{
open_browser(url);
}
exit(EXIT_SUCCESS);
}
else
{
/* parent process */
exit(EXIT_SUCCESS);
}
}
int halt_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
static const int magic[] = {
#ifdef RB_HALT_SYSTEM
RB_HALT_SYSTEM,
#elif defined RB_HALT
RB_HALT,
#endif
#ifdef RB_POWER_OFF
RB_POWER_OFF,
#elif defined RB_POWERDOWN
RB_POWERDOWN,
#endif
RB_AUTOBOOT
};
static const smallint signals[] = { SIGUSR1, SIGUSR2, SIGTERM };
int delay = 0;
int which, flags, rc = 1;
#if ENABLE_FEATURE_WTMP
struct utmp utmp;
struct utsname uts;
#endif
/* Figure out which applet we're running */
for (which = 0; "hpr"[which] != *applet_name; which++)
continue;
/* Parse and handle arguments */
opt_complementary = "d+"; /* -d N */
flags = getopt32(argv, "d:nfw", &delay);
sleep(delay);
#if ENABLE_FEATURE_WTMP
if (access(bb_path_wtmp_file, R_OK|W_OK) == -1) {
close(creat(bb_path_wtmp_file, 0664));
}
memset(&utmp, 0, sizeof(utmp));
utmp.ut_tv.tv_sec = time(NULL);
safe_strncpy(utmp.ut_user, "shutdown", UT_NAMESIZE);
utmp.ut_type = RUN_LVL;
safe_strncpy(utmp.ut_id, "~~", sizeof(utmp.ut_id));
safe_strncpy(utmp.ut_line, "~~", UT_LINESIZE);
if (uname(&uts) == 0)
safe_strncpy(utmp.ut_host, uts.release, sizeof(utmp.ut_host));
updwtmp(bb_path_wtmp_file, &utmp);
#endif /* !ENABLE_FEATURE_WTMP */
if (flags & 8) /* -w */
return 0;
if (!(flags & 2)) /* no -n */
sync();
/* Perform action. */
if (ENABLE_INIT && !(flags & 4)) {
if (ENABLE_FEATURE_INITRD) {
pid_t *pidlist = find_pid_by_name("linuxrc");
if (pidlist[0] > 0)
rc = kill(pidlist[0], signals[which]);
if (ENABLE_FEATURE_CLEAN_UP)
free(pidlist);
}
if (rc)
rc = kill(1, signals[which]);
} else
rc = reboot(magic[which]);
if (rc)
bb_error_msg("no");
return rc;
}
extern int kill_main(int argc, char **argv)
{
int whichApp, signo = SIGTERM, quiet = 0;
const char *name;
int errors = 0;
#ifdef CONFIG_KILLALL
/* Figure out what we are trying to do here */
whichApp = (strcmp(bb_applet_name, "killall") == 0)? KILLALL : KILL;
#else
whichApp = KILL;
#endif
/* Parse any options */
if (argc < 2)
bb_show_usage();
if(argv[1][0] != '-'){
argv++;
argc--;
goto do_it_now;
}
/* The -l option, which prints out signal names. */
if(argv[1][1]=='l' && argv[1][2]=='\0'){
if(argc==2) {
/* Print the whole signal list */
int col = 0;
for(signo=1; signo < NSIG; signo++) {
name = u_signal_names(0, &signo, 1);
if(name==NULL) /* unnamed */
continue;
col += printf("%2d) %-16s", signo, name);
if (col > 60) {
printf("\n");
col = 0;
}
}
printf("\n");
} else {
for(argv++; *argv; argv++) {
name = u_signal_names(*argv, &signo, -1);
if(name!=NULL)
printf("%s\n", name);
}
}
/* If they specified -l, were all done */
return EXIT_SUCCESS;
}
/* The -q quiet option */
if(argv[1][1]=='q' && argv[1][2]=='\0'){
quiet++;
argv++;
argc--;
if(argc<2 || argv[1][0] != '-'){
goto do_it_now;
}
}
if(!u_signal_names(argv[1]+1, &signo, 0))
bb_error_msg_and_die( "bad signal name '%s'", argv[1]+1);
argv+=2;
argc-=2;
do_it_now:
if (whichApp == KILL) {
/* Looks like they want to do a kill. Do that */
while (--argc >= 0) {
int pid;
if (!isdigit(**argv))
bb_error_msg_and_die( "Bad PID '%s'", *argv);
pid = strtol(*argv, NULL, 0);
if (kill(pid, signo) != 0) {
bb_perror_msg( "Could not kill pid '%d'", pid);
errors++;
}
argv++;
}
}
#ifdef CONFIG_KILLALL
else {
pid_t myPid=getpid();
/* Looks like they want to do a killall. Do that */
while (--argc >= 0) {
long* pidList;
pidList = find_pid_by_name(*argv);
if (!pidList || *pidList<=0) {
errors++;
if (quiet==0)
bb_error_msg( "%s: no process killed", *argv);
} else {
long *pl;
for(pl = pidList; *pl !=0 ; pl++) {
if (*pl==myPid)
continue;
if (kill(*pl, signo) != 0) {
errors++;
if (quiet==0)
bb_perror_msg( "Could not kill pid '%ld'", *pl);
}
}
}
free(pidList);
argv++;
}
}
#endif
return errors;
}
int kill_main(int argc, char **argv)
{
char *arg;
pid_t pid;
int signo = SIGTERM, errors = 0, quiet = 0;
#if !ENABLE_KILLALL && !ENABLE_KILLALL5
#define killall 0
#define killall5 0
#else
/* How to determine who we are? find 3rd char from the end:
* kill, killall, killall5
* ^i ^a ^l - it's unique
* (checking from the start is complicated by /bin/kill... case) */
const char char3 = argv[0][strlen(argv[0]) - 3];
#define killall (ENABLE_KILLALL && char3 == 'a')
#define killall5 (ENABLE_KILLALL5 && char3 == 'l')
#endif
/* Parse any options */
argc--;
arg = *++argv;
if (argc < 1 || arg[0] != '-') {
goto do_it_now;
}
/* The -l option, which prints out signal names.
* Intended usage in shell:
* echo "Died of SIG`kill -l $?`"
* We try to mimic what kill from coreutils-6.8 does */
if (arg[1] == 'l' && arg[2] == '\0') {
if (argc == 1) {
/* Print the whole signal list */
print_signames();
return 0;
}
/* -l <sig list> */
while ((arg = *++argv)) {
if (isdigit(arg[0])) {
signo = bb_strtou(arg, NULL, 10);
if (errno) {
bb_error_msg("unknown signal '%s'", arg);
return EXIT_FAILURE;
}
/* Exitcodes >= 0x80 are to be treated
* as "killed by signal (exitcode & 0x7f)" */
puts(get_signame(signo & 0x7f));
/* TODO: 'bad' signal# - coreutils says:
* kill: 127: invalid signal
* we just print "127" instead */
} else {
signo = get_signum(arg);
if (signo < 0) {
bb_error_msg("unknown signal '%s'", arg);
return EXIT_FAILURE;
}
printf("%d\n", signo);
}
}
/* If they specified -l, we are all done */
return EXIT_SUCCESS;
}
/* The -q quiet option */
if (killall && arg[1] == 'q' && arg[2] == '\0') {
quiet = 1;
arg = *++argv;
argc--;
if (argc < 1)
bb_show_usage();
if (arg[0] != '-')
goto do_it_now;
}
arg++; /* skip '-' */
/* -o PID? (if present, it always is at the end of command line) */
if (killall5 && arg[0] == 'o')
goto do_it_now;
if (argc > 1 && arg[0] == 's' && arg[1] == '\0') { /* -s SIG? */
argc--;
arg = *++argv;
} /* else it must be -SIG */
signo = get_signum(arg);
if (signo < 0) { /* || signo > MAX_SIGNUM ? */
bb_error_msg("bad signal name '%s'", arg);
return EXIT_FAILURE;
}
arg = *++argv;
argc--;
do_it_now:
pid = getpid();
if (killall5) {
pid_t sid;
procps_status_t* p = NULL;
int ret = 0;
/* Find out our session id */
sid = getsid(pid);
/* Stop all processes */
if (signo != SIGSTOP && signo != SIGCONT)
kill(-1, SIGSTOP);
/* Signal all processes except those in our session */
while ((p = procps_scan(p, PSSCAN_PID|PSSCAN_SID)) != NULL) {
int i;
if (p->sid == (unsigned)sid
|| p->pid == (unsigned)pid
|| p->pid == 1
) {
continue;
}
/* All remaining args must be -o PID options.
* Check p->pid against them. */
for (i = 0; i < argc; i++) {
pid_t omit;
arg = argv[i];
if (arg[0] != '-' || arg[1] != 'o') {
bb_error_msg("bad option '%s'", arg);
ret = 1;
goto resume;
}
arg += 2;
if (!arg[0] && argv[++i])
arg = argv[i];
omit = bb_strtoi(arg, NULL, 10);
if (errno) {
bb_error_msg("invalid number '%s'", arg);
ret = 1;
goto resume;
}
if (p->pid == omit)
goto dont_kill;
}
kill(p->pid, signo);
dont_kill: ;
}
resume:
/* And let them continue */
if (signo != SIGSTOP && signo != SIGCONT)
kill(-1, SIGCONT);
return ret;
}
/* Pid or name is required for kill/killall */
if (argc < 1) {
bb_error_msg("you need to specify whom to kill");
return EXIT_FAILURE;
}
if (killall) {
/* Looks like they want to do a killall. Do that */
while (arg) {
pid_t* pidList;
pidList = find_pid_by_name(arg);
if (*pidList == 0) {
errors++;
if (!quiet)
bb_error_msg("%s: no process killed", arg);
} else {
pid_t *pl;
for (pl = pidList; *pl; pl++) {
if (*pl == pid)
continue;
if (kill(*pl, signo) == 0)
continue;
errors++;
if (!quiet)
bb_perror_msg("can't kill pid %d", (int)*pl);
}
}
free(pidList);
arg = *++argv;
}
return errors;
}
/* Looks like they want to do a kill. Do that */
while (arg) {
#if ENABLE_ASH || ENABLE_HUSH
/*
* We need to support shell's "hack formats" of
* " -PRGP_ID" (yes, with a leading space)
* and " PID1 PID2 PID3" (with degenerate case "")
*/
while (*arg != '\0') {
char *end;
if (*arg == ' ')
arg++;
pid = bb_strtoi(arg, &end, 10);
if (errno && (errno != EINVAL || *end != ' ')) {
bb_error_msg("invalid number '%s'", arg);
errors++;
break;
}
if (kill(pid, signo) != 0) {
bb_perror_msg("can't kill pid %d", (int)pid);
errors++;
}
arg = end; /* can only point to ' ' or '\0' now */
}
#else
pid = bb_strtoi(arg, NULL, 10);
if (errno) {
bb_error_msg("invalid number '%s'", arg);
errors++;
} else if (kill(pid, signo) != 0) {
bb_perror_msg("can't kill pid %d", (int)pid);
errors++;
}
#endif
arg = *++argv;
}
return errors;
}
extern int reboot_main(int argc, char **argv)
{
int delay = 0; /* delay in seconds before rebooting */
int rc;
while ((rc = getopt(argc, argv, "d:")) > 0) {
switch (rc) {
case 'd':
delay = atoi(optarg);
break;
default:
show_usage();
break;
}
}
if(delay > 0)
sleep(delay);
#ifdef CONFIG_USER_INIT_INIT
/* Don't kill ourself */
signal(SIGTERM,SIG_IGN);
signal(SIGHUP,SIG_IGN);
setpgrp();
/* Allow Ctrl-Alt-Del to reboot system. */
init_reboot(RB_ENABLE_CAD);
message("\n\rThe system is going down NOW !!\n");
sync();
/* Send signals to every process _except_ pid 1 */
message("\rSending SIGTERM to all processes.\n");
kill(-1, SIGTERM);
sleep(1);
sync();
message("\rSending SIGKILL to all processes.\n");
kill(-1, SIGKILL);
sleep(1);
sync();
if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,2,11)) {
/* bdflush, kupdate not needed for kernels >2.2.11 */
bdflush(1, 0);
sync();
}
init_reboot(RB_AUTOBOOT);
exit(0); /* Shrug */
#else
#ifdef BB_FEATURE_LINUXRC
{
/* don't assume init's pid == 1 */
long *pid = find_pid_by_name("init");
if (!pid || *pid<=0)
pid = find_pid_by_name("linuxrc");
if (!pid || *pid<=0)
error_msg_and_die("no process killed");
fflush(stdout);
return(kill(*pid, SIGTERM));
}
#else
// yachen
*(unsigned int volatile *)(0xfff8101c) = 0x82;
return(kill(1, SIGTERM));
#endif
#endif
}
int kill_main(int argc, char **argv)
{
char *arg;
pid_t pid;
int signo = SIGTERM, errors = 0, quiet = 0;
#if !ENABLE_KILLALL && !ENABLE_KILLALL5
#define killall 0
#define killall5 0
#else
/* How to determine who we are? find 3rd char from the end:
* kill, killall, killall5
* ^i ^a ^l - it's unique
* (checking from the start is complicated by /bin/kill... case) */
const char char3 = argv[0][strlen(argv[0]) - 3];
#define killall (ENABLE_KILLALL && char3 == 'a')
#define killall5 (ENABLE_KILLALL5 && char3 == 'l')
#endif
/* Parse any options */
argc--;
arg = *++argv;
if (argc < 1 || arg[0] != '-') {
goto do_it_now;
}
/* The -l option, which prints out signal names.
* Intended usage in shell:
* echo "Died of SIG`kill -l $?`"
* We try to mimic what kill from coreutils-6.8 does */
if (arg[1] == 'l' && arg[2] == '\0') {
if (argc == 1) {
/* Print the whole signal list */
print_signames();
return 0;
}
/* -l <sig list> */
while ((arg = *++argv)) {
if (isdigit(arg[0])) {
signo = bb_strtou(arg, NULL, 10);
if (errno) {
bb_error_msg("unknown signal '%s'", arg);
return EXIT_FAILURE;
}
/* Exitcodes >= 0x80 are to be treated
* as "killed by signal (exitcode & 0x7f)" */
puts(get_signame(signo & 0x7f));
/* TODO: 'bad' signal# - coreutils says:
* kill: 127: invalid signal
* we just print "127" instead */
} else {
signo = get_signum(arg);
if (signo < 0) {
bb_error_msg("unknown signal '%s'", arg);
return EXIT_FAILURE;
}
printf("%d\n", signo);
}
}
/* If they specified -l, we are all done */
return EXIT_SUCCESS;
}
/* The -q quiet option */
if (killall && arg[1] == 'q' && arg[2] == '\0') {
quiet = 1;
arg = *++argv;
argc--;
if (argc < 1) bb_show_usage();
if (arg[0] != '-') goto do_it_now;
}
/* -SIG */
signo = get_signum(&arg[1]);
if (signo < 0) { /* || signo > MAX_SIGNUM ? */
bb_error_msg("bad signal name '%s'", &arg[1]);
return EXIT_FAILURE;
}
arg = *++argv;
argc--;
do_it_now:
pid = getpid();
if (killall5) {
pid_t sid;
procps_status_t* p = NULL;
/* Find out our own session id */
sid = getsid(pid);
/* Now stop all processes */
kill(-1, SIGSTOP);
/* Now kill all processes except our session */
while ((p = procps_scan(p, PSSCAN_PID|PSSCAN_SID))) {
if (p->sid != (unsigned)sid && p->pid != (unsigned)pid && p->pid != 1)
kill(p->pid, signo);
}
/* And let them continue */
kill(-1, SIGCONT);
return 0;
}
/* Pid or name is required for kill/killall */
if (argc < 1) {
bb_error_msg("you need to specify whom to kill");
return EXIT_FAILURE;
}
if (killall) {
/* Looks like they want to do a killall. Do that */
while (arg) {
pid_t* pidList;
pidList = find_pid_by_name(arg);
if (*pidList == 0) {
errors++;
if (!quiet)
bb_error_msg("%s: no process killed", arg);
} else {
pid_t *pl;
for (pl = pidList; *pl; pl++) {
if (*pl == pid)
continue;
if (kill(*pl, signo) == 0)
continue;
errors++;
if (!quiet)
bb_perror_msg("cannot kill pid %u", (unsigned)*pl);
}
}
free(pidList);
arg = *++argv;
}
return errors;
}
/* Looks like they want to do a kill. Do that */
while (arg) {
/* Support shell 'space' trick */
if (arg[0] == ' ')
arg++;
pid = bb_strtoi(arg, NULL, 10);
if (errno) {
bb_error_msg("bad pid '%s'", arg);
errors++;
} else if (kill(pid, signo) != 0) {
bb_perror_msg("cannot kill pid %d", (int)pid);
errors++;
}
arg = *++argv;
}
return errors;
}
