void
save_licence(unsigned char *data, int length)
{
uint8 ho[20], hi[16];
char *home, path[PATH_MAX], tmppath[PATH_MAX], hash[41];
int fd;
home = getenv("HOME");
if (home == NULL)
return;
snprintf(path, PATH_MAX, "%s" RDESKTOP_LICENSE_STORE, home);
path[sizeof(path) - 1] = '\0';
if (utils_mkdir_p(path, 0700) == -1)
{
perror(path);
return;
}
memset(hi, 0, sizeof(hi));
snprintf((char *) hi, 16, "%s", g_hostname);
sec_hash_sha1_16(ho, hi, g_static_rdesktop_salt_16);
sec_hash_to_string(hash, sizeof(hash), ho, sizeof(ho));
/* write licence to {sha1}.cal.new, then atomically
rename to {sha1}.cal */
snprintf(path, PATH_MAX, "%s" RDESKTOP_LICENSE_STORE "/%s.cal", home, hash);
path[sizeof(path) - 1] = '\0';
snprintf(tmppath, PATH_MAX, "%s.new", path);
path[sizeof(path) - 1] = '\0';
fd = open(tmppath, O_WRONLY | O_CREAT | O_TRUNC, 0600);
if (fd == -1)
{
perror(tmppath);
return;
}
if (write(fd, data, length) != length)
{
perror(tmppath);
unlink(tmppath);
}
else if (rename(tmppath, path) == -1)
{
perror(path);
unlink(tmppath);
}
close(fd);
}
/** Initialize ctrl
Ret values: <0 failure, 0 master, 1 client
*/
int
ctrl_init(const char *user, const char *domain, const char *host)
{
struct stat st;
struct sockaddr_un saun;
char hash[41], path[PATH_MAX];
char *home;
/* check if ctrl already initialized */
if (ctrlsock != 0 || _ctrl_is_slave)
return 0;
home = getenv("HOME");
if (home == NULL)
{
return -1;
}
/* get uniq hash for ctrlsock name */
_ctrl_create_hash(user, domain, host, hash, 41);
snprintf(ctrlsock_name, PATH_MAX, "%s" RDESKTOP_CTRLSOCK_STORE "/%s.ctl", home, hash);
ctrlsock_name[sizeof(ctrlsock_name) - 1] = '\0';
/* make sure that ctrlsock store path exists */
snprintf(path, PATH_MAX, "%s" RDESKTOP_CTRLSOCK_STORE, home);
path[sizeof(path) - 1] = '\0';
if (utils_mkdir_p(path, 0700) == -1)
{
perror(path);
return -1;
}
/* check if ctrl socket already exist then this process becomes a client */
if (stat(ctrlsock_name, &st) == 0)
{
/* verify that unix socket is not stale */
if (_ctrl_verify_unix_socket() == True)
{
_ctrl_is_slave = True;
return 1;
}
else
{
unlink(ctrlsock_name);
}
}
/* setup ctrl socket and start listening for connections */
if ((ctrlsock = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
{
perror("Error creating ctrl socket:");
exit(1);
}
/* bind and start listening on server socket */
memset(&saun, 0, sizeof(struct sockaddr_un));
saun.sun_family = AF_UNIX;
strncpy(saun.sun_path, ctrlsock_name, sizeof(saun.sun_path));
if (bind(ctrlsock, (struct sockaddr *) &saun, sizeof(struct sockaddr_un)) < 0)
{
perror("Error binding ctrl socket:");
exit(1);
}
if (listen(ctrlsock, 5) < 0)
{
perror("Error listening on socket:");
exit(1);
}
/* add ctrl cleanup func to exit hooks */
atexit(ctrl_cleanup);
return 0;
}
