void handle_usb_unplugged(char* device){
must_exit = 1;
pid_t pid = fork();
if (pid ==0){ /*child process*/
execl("/bin/umount", "umount", "-l", device, (char *)0);
}else{
waitpid(pid,0,0);
MacRec *head = (MacRec *) ht_lookup(macaddrs, device);
char* signal = (char*) malloc(32);
if (head != NULL){
sprintf(signal, head->addr, 0, 17);
strcat(signal, " deny");
sendsignal(signal);
MacRec *current = head;
while ( (current = current->next) != NULL){
printf("deny --> %s\n", current->addr);
sprintf(signal, current->addr, 0, 17);
strcat(signal, " deny");
sendsignal(signal);
}
ht_remove(macaddrs, device);
free_macrec(head);
free(signal);
}
}
}
void handle_usb_plugged(char* device){
pid_t pid = fork();
pthread_t thr;
//char device[128];
char mountpoint[128];
must_exit = 0;
//sprintf(device, "/dev/%s", data);
sprintf(mountpoint, "/mnt");
if (pid ==0){ /*child process*/
printf("mounting...%s\n", device);
mkdir(mountpoint, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
execl("/bin/mount", "mount", "-o", "sync", device, mountpoint, (char *)0);
}else{ /*pid !=0 parent process*/
waitpid(pid,0,0);
DIR *dp;
struct dirent *ep;
printf("mounted!!, opening %s..\n", mountpoint);
dp = opendir(mountpoint);
printf("opened dir\n");
if (dp != NULL){
MacRec* previous = NULL;
MacRec* head = NULL;
char* signal = (char*) malloc(32);
while (ep = readdir(dp)){
if (match(ep->d_name, "^([[:xdigit:]]{1,2}\\-){5}[[:xdigit:]]{1,2}")){
replace_char(ep->d_name, '-', ':');
MacRec* m = (MacRec *)malloc(sizeof(MacRec));
m->next = NULL;
sprintf(m->addr, "%s", ep->d_name);
if (previous != NULL){
previous->next = m;
}else{
head = m;
}
previous = m;
//signal = "";
sprintf(signal, ep->d_name, 0, 17);
strcat(signal, " permit");
printf("signal is %s\n", signal);
sendsignal(signal);
printf("would permit %s\n", ep->d_name);
}
}
if (head){ //if any matches found
printf("adding %s to macrec!\n", head->addr);
ht_insert(macaddrs, device, head);
}
free(signal);
(void) closedir(dp);
}else{
perror("couldn't open the directory!");
}
}
}
int main(int argc, char** argv)
{
if (2 > argc) {
printf ("Syntax: dbus-example [send|receive|listen|query] [<param>]\n");
return 1;
}
char* param = "no param";
int repeatmode = 0;
if (3 <= argc && NULL != argv[2]) param = argv[2];
if (4 <= argc && NULL != argv[3]) {
if ( strncmp(argv[3],"1",2) == 0 ) {
repeatmode = 1;
} else if ( strncmp(argv[3],"2",2) == 0 ) {
repeatmode = 2;
}
}
if (5 <= argc && NULL != argv[4]) {
long t = atol(argv[4]);
if ( t > 0 && t < TMNMAX ) {
tmnmax = (unsigned int)t;
printf(" repeat max new value %u\n", tmnmax);
} else {
printf(" repeat max out of range %ld\n", t);
}
}
if (0 == strcmp(argv[1], "send"))
sendsignal(param);
else if (0 == strcmp(argv[1], "receive"))
receive();
else if (0 == strcmp(argv[1], "listen"))
listen();
else if (0 == strcmp(argv[1], "query"))
{
printf(" repeatmode %d \n", repeatmode);
if ( repeatmode == 0 ) {
query(param, 0, 0);
} else if ( repeatmode == 1 ) {
int i=0;
query(param, 0, 1);
for (i=0; i<tmnmax; i++) {
query(param, 0, 1);
}
} else if ( repeatmode == 2 ) {
query(param, 0, 2);
}
}
else if (0 == strcmp(argv[1], "selector"))
dbus_selector(param, 0);
else if (0 == strcmp(argv[1], "seltest"))
query(param, 1, 0);
else if (0 == strcmp(argv[1], "selpost"))
dbus_selector(param, 1);
else {
printf ("Syntax: dbus-select [[send|receive|listen|query]|"
"[selector|seltest|selpost]] [<param>]\n");
return 1;
}
return 0;
}
int main(int argc, char** argv)
{
if (2 > argc) {
fprintf(stdout, "Syntax: %s [send|receive] [<param>]\n", argv[0] );
return 1;
}
char* param = "no param";
if (3 >= argc && NULL != argv[2]) param = argv[2];
if (0 == strcmp(argv[1], "send"))
sendsignal(param);
else if (0 == strcmp(argv[1], "receive"))
receive();
else {
fprintf (stdout, "Syntax: dbus-example [send|receive|listen|query] [<param>]\n");
return 1;
}
return 0;
}
//产生信号的按钮
pb2::pb2(QWidget *parent) :
QPushButton(parent)
{
connect(this, SIGNAL(clicked()), this, SLOT(sendsignal()));
}
int main(int argc, char *argv[])
{
const char *prog = xbasename(argv[0]);
int i, cmd = 0, checking_flag = 0;
printf("Network UPS Tools %s %s\n", prog, UPS_VERSION);
/* if no configuration file is specified on the command line, use default */
configfile = xmalloc(SMALLBUF);
snprintf(configfile, SMALLBUF, "%s/upsmon.conf", confpath());
configfile = xrealloc(configfile, strlen(configfile) + 1);
run_as_user = xstrdup(RUN_AS_USER);
while ((i = getopt(argc, argv, "+Dhic:f:pu:VK46")) != -1) {
switch (i) {
case 'c':
if (!strncmp(optarg, "fsd", strlen(optarg)))
cmd = SIGCMD_FSD;
if (!strncmp(optarg, "stop", strlen(optarg)))
cmd = SIGCMD_STOP;
if (!strncmp(optarg, "reload", strlen(optarg)))
cmd = SIGCMD_RELOAD;
/* bad command name given */
if (cmd == 0)
help(argv[0]);
break;
case 'D':
nut_debug_level++;
break;
case 'f':
free(configfile);
configfile = xstrdup(optarg);
break;
case 'h':
help(argv[0]);
break;
case 'K':
checking_flag = 1;
break;
case 'p':
use_pipe = 0;
break;
case 'u':
free(run_as_user);
run_as_user = xstrdup(optarg);
break;
case 'V':
/* just show the banner */
exit(EXIT_SUCCESS);
case '4':
opt_af = AF_INET;
break;
case '6':
opt_af = AF_INET6;
break;
default:
help(argv[0]);
break;
}
}
if (cmd) {
sendsignal(prog, cmd);
exit(EXIT_SUCCESS);
}
/* otherwise, we are being asked to start.
* so check if a previous instance is running by sending signal '0'
* (Ie 'kill <pid> 0') */
if (sendsignal(prog, 0) == 0) {
printf("Fatal error: A previous upsmon instance is already running!\n");
printf("Either stop the previous instance first, or use the 'reload' command.\n");
exit(EXIT_FAILURE);
}
argc -= optind;
argv += optind;
open_syslog(prog);
loadconfig();
if (checking_flag)
exit(check_pdflag());
if (shutdowncmd == NULL)
printf("Warning: no shutdown command defined!\n");
/* we may need to get rid of a flag from a previous shutdown */
if (powerdownflag != NULL)
clear_pdflag();
/* FIXME (else): POWERDOWNFLAG is not defined!!
* => fallback to a default value */
if (totalpv < minsupplies) {
printf("\nFatal error: insufficient power configured!\n\n");
printf("Sum of power values........: %d\n", totalpv);
printf("Minimum value (MINSUPPLIES): %d\n", minsupplies);
printf("\nEdit your upsmon.conf and change the values.\n");
exit(EXIT_FAILURE);
}
if (nut_debug_level < 1) {
background();
} else {
upsdebugx(1, "debug level is '%d'", nut_debug_level);
}
/* only do the pipe stuff if the user hasn't disabled it */
if (use_pipe) {
struct passwd *new_uid = get_user_pwent(run_as_user);
/* === root parent and unprivileged child split here === */
start_pipe();
/* write the pid file now, as we will soon lose root */
writepid(prog);
become_user(new_uid);
} else {
upslogx(LOG_INFO, "Warning: running as one big root process by request (upsmon -p)");
writepid(prog);
}
/* prep our signal handlers */
setup_signals();
/* reopen the log for the child process */
closelog();
open_syslog(prog);
while (exit_flag == 0) {
utype_t *ups;
/* check flags from signal handlers */
if (userfsd)
forceshutdown();
if (reload_flag)
reload_conf();
for (ups = firstups; ups != NULL; ups = ups->next)
pollups(ups);
recalc();
/* make sure the parent hasn't died */
if (use_pipe)
check_parent();
/* reap children that have exited */
waitpid(-1, NULL, WNOHANG);
sleep(sleepval);
}
upslogx(LOG_INFO, "Signal %d: exiting", exit_flag);
upsmon_cleanup();
exit(EXIT_SUCCESS);
}
