static int handle_reg_set(struct nl80211_state *state,
struct nl_msg *msg,
int argc, char **argv,
enum id_input id)
{
char alpha2[3];
if (argc < 1)
return 1;
if (!is_alpha2(argv[0]) && !is_world_regdom(argv[0])) {
fprintf(stderr, "not a valid ISO/IEC 3166-1 alpha2\n");
fprintf(stderr, "Special non-alpha2 usable entries:\n");
fprintf(stderr, "\t00\tWorld Regulatory domain\n");
return 2;
}
alpha2[0] = argv[0][0];
alpha2[1] = argv[0][1];
alpha2[2] = '\0';
argc--;
argv++;
if (argc)
return 1;
NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2);
return 0;
nla_put_failure:
return -ENOBUFS;
}
int main(int argc, char **argv)
{
int r = 0;
struct ieee80211_regdomain *prev_world = NULL, *rd = NULL, *world = NULL;
int intersected = 0;
unsigned int idx = 0;
if (argc != 2) {
fprintf(stderr, "You must specify a file\n");
return -EINVAL;
}
/* We intersect only when we have to rd structures ready */
reglib_for_each_country(rd, idx, argv[1]) {
if (is_world_regdom((const char *) rd->alpha2))
continue;
if (!prev_world) {
prev_world = rd;
continue;
}
if (world) {
free(prev_world);
prev_world = world;
}
world = regdom_intersect(prev_world, rd);
if (!world) {
/* Could be something else but we'll live with this */
r = -ENOMEM;
if (intersected)
fprintf(stderr, "Could not intersect world "
"with country (%.2s)\n",
rd->alpha2);
else
fprintf(stderr, "Could not intersect country (%.2s) "
"with country (%.2s)\n",
prev_world->alpha2,
rd->alpha2);
goto out;
}
if (intersected)
/* Use UTF-8 Intersection symbol ? (0xE2,0x88,0xA9) :) */
printf("WW (%d) intersect %c%c (%d) ==> %d rules\n",
prev_world->n_reg_rules,
rd->alpha2[0],
rd->alpha2[1],
rd->n_reg_rules,
world->n_reg_rules);
else
printf("%c%c (%d) intersect %c%c (%d) ==> %d rules\n",
prev_world->alpha2[0],
prev_world->alpha2[1],
prev_world->n_reg_rules,
rd->alpha2[0],
rd->alpha2[1],
rd->n_reg_rules,
world->n_reg_rules);
intersected++;
}
if (idx == 1) {
world = rd;
rd = NULL;
}
if (intersected > 1)
printf("%d regulatory domains intersected\n", intersected);
else
printf("Only one intersection completed\n");
/* Tada! */
printf("== World regulatory domain: ==\n");
print_regdom(world);
out:
if (!intersected) {
free(world);
return r;
}
if (intersected > 1) {
free(rd);
free(prev_world);
}
free(world);
return r;
}
