int
userlist_clnt_control(struct userlist_clnt *clnt, int cmd)
{
struct userlist_packet *out = 0;
struct userlist_packet *in = 0;
size_t out_size = 0, in_size = 0;
void *void_in = 0;
int r;
out_size = sizeof(*out);
out = alloca(out_size);
memset(out, 0, out_size);
out->id = cmd;
if ((r = userlist_clnt_send_packet(clnt, out_size, out)) < 0) return r;
r = silent_recv_packet(clnt, &in_size, &void_in);
if (r == -ULS_ERR_UNEXPECTED_EOF) return 0;
if (r < 0) return r;
if (in_size != sizeof(*in)) {
r = -ULS_ERR_PROTOCOL;
} else {
in = (struct userlist_packet*) void_in;
r = in->id;
}
xfree(void_in);
return r;
}
int
super_clnt_control(int sock_fd, int cmd)
{
struct prot_super_packet *out = 0;
struct prot_super_packet *in = 0;
size_t out_size;
int r;
if (sock_fd < 0) return -SSERV_ERR_NOT_CONNECTED;
out_size = sizeof(*out);
out = alloca(out_size);
memset(out, 0, out_size);
out->id = cmd;
out->magic = PROT_SUPER_PACKET_MAGIC;
in = (struct prot_super_packet*) alloca(sizeof(*in));
memset(in, 0, sizeof(*in));
if ((r = super_clnt_send_packet(sock_fd, out_size, out)) < 0) return r;
r = silent_recv_packet(sock_fd, in);
if (r == -SSERV_ERR_EOF_FROM_SERVER) return 0;
if (r < 0) return r;
if (in->id >= 0) {
return -SSERV_ERR_PROTOCOL_ERROR;
}
return in->id;
}
