freebsd-dev/sbin/ipf/libipf/load_dstlistnode.c
Cy Schubert 2582ae5740 ipfilter: Adjust userland returns to conform to style(9)
Adjust ipfilter's userland return statements to conform to style(9).

MFC after:	1 month
2022-01-03 18:06:43 -08:00

68 lines
1.5 KiB
C

/*
* Copyright (C) 2012 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: load_dstlistnode.c,v 1.1.2.5 2012/07/22 08:04:24 darren_r Exp $
*/
#include <fcntl.h>
#include <sys/ioctl.h>
#include "ipf.h"
#include "netinet/ip_lookup.h"
#include "netinet/ip_pool.h"
int
load_dstlistnode(int role, char *name, ipf_dstnode_t *node,
ioctlfunc_t iocfunc)
{
iplookupop_t op;
frdest_t *dst;
char *what;
int err;
if (pool_open() == -1)
return(-1);
dst = calloc(1, sizeof(*dst) + node->ipfd_dest.fd_name);
if (dst == NULL)
return(-1);
op.iplo_unit = role;
op.iplo_type = IPLT_DSTLIST;
op.iplo_arg = 0;
op.iplo_struct = dst;
op.iplo_size = sizeof(*dst);
if (node->ipfd_dest.fd_name >= 0)
op.iplo_size += node->ipfd_dest.fd_name;
(void) strncpy(op.iplo_name, name, sizeof(op.iplo_name));
dst->fd_addr = node->ipfd_dest.fd_addr;
dst->fd_type = node->ipfd_dest.fd_type;
dst->fd_name = node->ipfd_dest.fd_name;
if (node->ipfd_dest.fd_name >= 0)
bcopy(node->ipfd_names, (char *)dst + sizeof(*dst),
node->ipfd_dest.fd_name);
if ((opts & OPT_REMOVE) == 0) {
what = "add";
err = pool_ioctl(iocfunc, SIOCLOOKUPADDNODE, &op);
} else {
what = "delete";
err = pool_ioctl(iocfunc, SIOCLOOKUPDELNODE, &op);
}
free(dst);
if (err != 0) {
if ((opts & OPT_DONOTHING) == 0) {
char msg[80];
(void) snprintf(msg, sizeof(msg), "%s lookup node", what);
return(ipf_perror_fd(pool_fd(), iocfunc, msg));
}
}
return(0);
}