static void devgroup_parse(struct xt_option_call *cb)
{
struct xt_devgroup_info *info = cb->data;
unsigned int id;
char *end;
xtables_option_parse(cb);
switch (cb->entry->id) {
case O_SRC_GROUP:
info->src_group = strtoul(cb->arg, &end, 0);
if (end != cb->arg && (*end == '/' || *end == '\0')) {
if (*end == '/')
info->src_mask = strtoul(end+1, &end, 0);
else
info->src_mask = 0xffffffff;
if (*end != '\0' || end == cb->arg)
xtables_error(PARAMETER_PROBLEM,
"Bad src-group value `%s'",
cb->arg);
} else {
id = xtables_lmap_name2id(devgroups, cb->arg);
if (id == -1)
xtables_error(PARAMETER_PROBLEM,
"Device group `%s' not found",
cb->arg);
info->src_group = id;
info->src_mask = 0xffffffff;
}
info->flags |= XT_DEVGROUP_MATCH_SRC;
if (cb->invert)
info->flags |= XT_DEVGROUP_INVERT_SRC;
break;
case O_DST_GROUP:
info->dst_group = strtoul(cb->arg, &end, 0);
if (end != cb->arg && (*end == '/' || *end == '\0')) {
if (*end == '/')
info->dst_mask = strtoul(end+1, &end, 0);
else
info->dst_mask = 0xffffffff;
if (*end != '\0' || end == cb->arg)
xtables_error(PARAMETER_PROBLEM,
"Bad dst-group value `%s'",
cb->arg);
} else {
id = xtables_lmap_name2id(devgroups, cb->arg);
if (id == -1)
xtables_error(PARAMETER_PROBLEM,
"Device group `%s' not found",
cb->arg);
info->dst_group = id;
info->dst_mask = 0xffffffff;
}
info->flags |= XT_DEVGROUP_MATCH_DST;
if (cb->invert)
info->flags |= XT_DEVGROUP_INVERT_DST;
break;
}
}
static void realm_parse(struct xt_option_call *cb)
{
struct xt_realm_info *realminfo = cb->data;
int id;
char *end;
xtables_option_parse(cb);
realminfo->id = strtoul(cb->arg, &end, 0);
if (end != cb->arg && (*end == '/' || *end == '\0')) {
if (*end == '/')
realminfo->mask = strtoul(end+1, &end, 0);
else
realminfo->mask = 0xffffffff;
if (*end != '\0' || end == cb->arg)
xtables_error(PARAMETER_PROBLEM,
"Bad realm value \"%s\"", cb->arg);
} else {
id = xtables_lmap_name2id(realms, cb->arg);
if (id == -1)
xtables_error(PARAMETER_PROBLEM,
"Realm \"%s\" not found", cb->arg);
realminfo->id = id;
realminfo->mask = 0xffffffff;
}
if (cb->invert)
realminfo->invert = 1;
}
static void devgroup_parse_groupspec(const char *arg, unsigned int *group,
unsigned int *mask)
{
char *end;
bool ok;
ok = xtables_strtoui(arg, &end, group, 0, UINT32_MAX);
if (ok && (*end == '/' || *end == '\0')) {
if (*end == '/')
ok = xtables_strtoui(end + 1, NULL, mask,
0, UINT32_MAX);
else
*mask = ~0U;
if (!ok)
xtables_error(PARAMETER_PROBLEM,
"Bad group value \"%s\"", arg);
} else {
*group = xtables_lmap_name2id(devgroups, arg);
if (*group == -1)
xtables_error(PARAMETER_PROBLEM,
"Device group \"%s\" not found", arg);
*mask = ~0U;
}
}
