1 /*
2 * Copyright (C) 2012 by Darren Reed.
3 *
4 * See the IPFILTER.LICENCE file for details on licencing.
5 *
6 * $Id: load_dstlistnode.c,v 1.1.2.5 2012/07/22 08:04:24 darren_r Exp $
7 */
8
9 #include <fcntl.h>
10 #include <sys/ioctl.h>
11 #include "ipf.h"
12 #include "netinet/ip_lookup.h"
13 #include "netinet/ip_pool.h"
14
15
16 int
load_dstlistnode(int role,char * name,ipf_dstnode_t * node,ioctlfunc_t iocfunc)17 load_dstlistnode(int role, char *name, ipf_dstnode_t *node,
18 ioctlfunc_t iocfunc)
19 {
20 iplookupop_t op;
21 frdest_t *dst;
22 char *what;
23 int err;
24
25 if (pool_open() == -1)
26 return (-1);
27
28 dst = calloc(1, sizeof(*dst) + node->ipfd_dest.fd_name);
29 if (dst == NULL)
30 return (-1);
31
32 op.iplo_unit = role;
33 op.iplo_type = IPLT_DSTLIST;
34 op.iplo_arg = 0;
35 op.iplo_struct = dst;
36 op.iplo_size = sizeof(*dst);
37 if (node->ipfd_dest.fd_name >= 0)
38 op.iplo_size += node->ipfd_dest.fd_name;
39 (void) strncpy(op.iplo_name, name, sizeof(op.iplo_name));
40
41 dst->fd_addr = node->ipfd_dest.fd_addr;
42 dst->fd_type = node->ipfd_dest.fd_type;
43 dst->fd_name = node->ipfd_dest.fd_name;
44 if (node->ipfd_dest.fd_name >= 0)
45 bcopy(node->ipfd_names, (char *)dst + sizeof(*dst),
46 node->ipfd_dest.fd_name);
47
48 if ((opts & OPT_REMOVE) == 0) {
49 what = "add";
50 err = pool_ioctl(iocfunc, SIOCLOOKUPADDNODE, &op);
51 } else {
52 what = "delete";
53 err = pool_ioctl(iocfunc, SIOCLOOKUPDELNODE, &op);
54 }
55 free(dst);
56
57 if (err != 0) {
58 if ((opts & OPT_DONOTHING) == 0) {
59 char msg[80];
60
61 (void) snprintf(msg, sizeof(msg), "%s lookup node", what);
62 return (ipf_perror_fd(pool_fd(), iocfunc, msg));
63 }
64 }
65
66 return (0);
67 }
68