int init_shm()
{
int fd = 0;
if(access(KEYFILE, F_OK) < 0){
if(errno == ENOENT){
create_keyfile("111111");
}
}
if((fd=open(KEYFILE, O_RDWR, 0666)) < 0){
return -1;
}
key_t key=SYSKEY;
int shmid;
char *shm = NULL;
/*
* * Create the segment.
*/
if ((shmid=shmget(key, sizeof(struct sys_key), IPC_CREAT | 0666)) < 0){
exit(1);
}
/*
* * Now we attach the segment to our data space.
*/
if ((shm = shmat(shmid, NULL, 0)) == (char *) -1) {
exit(1);
}
read(fd, shm, sizeof(struct sys_key));
close(fd);
return 0;
}
static void create_file_from_key(char *filename)
{
size_t size;
char *akey = (char *) secrets_fetch("smb_traffic_analyzer_key", &size);
if (akey == NULL) {
printf("No key is installed! Can't create file.\n");
exit(1);
}
create_keyfile(filename, akey);
free(akey);
}
