static void
set_acl(struct shttpd_ctx *ctx, void *ptr, const char *s)
{
struct llhead *head = ptr;
struct acl *acl;
char flag;
int len, a, b, c, d, n, mask;
ctx = NULL;
FOR_EACH_WORD_IN_LIST(s, len) {
mask = 32;
if (sscanf(s, "%c%d.%d.%d.%d%n",&flag,&a,&b,&c,&d,&n) != 5) {
elog(E_FATAL, NULL, "[%s]: subnet must be "
"[+|-]x.x.x.x[/x]", s);
} else if (flag != '+' && flag != '-') {
elog(E_FATAL, NULL, "flag must be + or -: [%s]", s);
} else if (!isbyte(a)||!isbyte(b)||!isbyte(c)||!isbyte(d)) {
elog(E_FATAL, NULL, "bad ip address: [%s]", s);
} else if ((acl = malloc(sizeof(*acl))) == NULL) {
elog(E_FATAL, NULL, "%s", "cannot malloc subnet");
} else if (sscanf(s + n, "/%d", &mask) == 0) {
/* Do nothing, no mask specified */
} else if (mask < 0 || mask > 32) {
elog(E_FATAL, NULL, "bad subnet mask: %d [%s]", n, s);
}
acl->ip = (a << 24) | (b << 16) | (c << 8) | d;
acl->mask = mask ? 0xffffffffU << (32 - mask) : 0;
acl->flag = flag;
LL_TAIL(head, &acl->link);
}
int collect_data(struct llhead *plist, const void* data, size_t len) {
struct data_chunk *chunk;
if ((chunk = malloc(sizeof(*chunk))) != NULL) {
if ((chunk->data = malloc(len)) != NULL) {
memcpy(chunk->data,data,len);
chunk->size = len;
LL_TAIL(plist, &chunk->link);
return len;
}
free(chunk);
}
return -1;
}