void
bridge_rules(const char *ifname, int d)
{
char *inbuf = NULL, *inb;
struct ifbrlconf ifc;
struct ifbrlreq *ifrp;
int len = 8192, i;
while (1) {
ifc.ifbrl_len = len;
inb = realloc(inbuf, len);
if (inb == NULL)
err(1, "malloc");
ifc.ifbrl_buf = inbuf = inb;
strlcpy(ifc.ifbrl_name, name, sizeof(ifc.ifbrl_name));
strlcpy(ifc.ifbrl_ifsname, ifname, sizeof(ifc.ifbrl_ifsname));
if (ioctl(s, SIOCBRDGGRL, &ifc) < 0)
err(1, "ioctl(SIOCBRDGGRL)");
if (ifc.ifbrl_len + sizeof(*ifrp) < len)
break;
len *= 2;
}
ifrp = ifc.ifbrl_req;
for (i = 0; i < ifc.ifbrl_len; i += sizeof(*ifrp)) {
ifrp = (struct ifbrlreq *)((caddr_t)ifc.ifbrl_req + i);
bridge_showrule(ifrp);
}
}
int
bridge_rules(int s, char *brdg, char *ifname, char *delim, FILE *output)
{
char *inbuf = NULL, *inb;
struct ifbrlconf ifc;
struct ifbrlreq *ifrp, ifreq;
u_int i, len = 8192;
while (1) {
ifc.ifbrl_len = len;
inb = realloc(inbuf, len);
if (inb == NULL) {
free(inbuf);
printf("%% bridge_rules: malloc: %s\n",
strerror(errno));
return(0);
}
ifc.ifbrl_buf = inbuf = inb;
strlcpy(ifc.ifbrl_name, brdg, sizeof(ifc.ifbrl_name));
strlcpy(ifc.ifbrl_ifsname, ifname, sizeof(ifc.ifbrl_ifsname));
errno = 0;
if (ioctl(s, SIOCBRDGGRL, &ifc) < 0) {
if (errno != ESRCH) /* invalid interface name spec'd */
printf("%% bridge_rules: SIOCBRDGGRL: %s\n",
strerror(errno));
free(inbuf);
return(0);
}
if (ifc.ifbrl_len + sizeof(ifreq) < len)
break;
len *= 2;
}
for (i = 0; i < ifc.ifbrl_len; i += sizeof(ifreq)) {
ifrp = (struct ifbrlreq *)((caddr_t)ifc.ifbrl_req + i);
bridge_showrule(ifrp, delim, output);
}
free(inbuf);
return (0);
}
