static void http_upload_position(struct evhttp_request *r, const char *remote_host)
{
struct evbuffer *bufin, *bufout;
struct evkeyvalq *req_headers;
const char *ctype, *clength;
int clength_i;
char post[MAX_HTTP_POST_DATA+1];
ev_ssize_t l;
char *login_string = NULL;
char *packet = NULL;
char *username = NULL;
char validated;
int e;
int packet_len;
req_headers = evhttp_request_get_input_headers(r);
ctype = evhttp_find_header(req_headers, "Content-Type");
if (!ctype || strcasecmp(ctype, "application/octet-stream") != 0) {
evhttp_send_error(r, HTTP_BADREQUEST, "Bad request, wrong or missing content-type");
return;
}
clength = evhttp_find_header(req_headers, "Content-Length");
if (!clength) {
evhttp_send_error(r, HTTP_BADREQUEST, "Bad request, missing content-length");
return;
}
clength_i = atoi(clength);
if (clength_i > MAX_HTTP_POST_DATA) {
evhttp_send_error(r, HTTP_BADREQUEST, "Bad request, too large body");
return;
}
/* get the HTTP POST body */
bufin = evhttp_request_get_input_buffer(r);
l = evbuffer_copyout(bufin, post, MAX_HTTP_POST_DATA);
/* Just for convenience and safety, null-terminate. Easier to log. */
post[MAX_HTTP_POST_DATA] = 0;
if (l <= MAX_HTTP_POST_DATA)
post[l] = 0;
if (l != clength_i) {
evhttp_send_error(r, HTTP_BADREQUEST, "Body size does not match content-length");
return;
}
hlog(LOG_DEBUG, "got post data: %s", post);
packet_len = loginpost_split(post, l, &login_string, &packet);
if (packet_len == -1) {
evhttp_send_error(r, HTTP_BADREQUEST, "No newline (LF) found in data");
return;
}
if (!login_string) {
evhttp_send_error(r, HTTP_BADREQUEST, "No login string in data");
return;
}
if (!packet) {
evhttp_send_error(r, HTTP_BADREQUEST, "No packet data found in data");
return;
}
hlog(LOG_DEBUG, "login string: %s", login_string);
hlog(LOG_DEBUG, "packet: %s", packet);
/* process the login string */
validated = http_udp_upload_login(remote_host, login_string, &username, "HTTP POST");
if (validated < 0) {
evhttp_send_error(r, HTTP_BADREQUEST, "Invalid login string");
return;
}
if (validated != 1) {
evhttp_send_error(r, 403, "Invalid passcode");
return;
}
/* packet size limits */
if (packet_len < PACKETLEN_MIN) {
evhttp_send_error(r, HTTP_BADREQUEST, "Packet too short");
return;
}
if (packet_len > PACKETLEN_MAX-2) {
evhttp_send_error(r, HTTP_BADREQUEST, "Packet too long");
return;
}
e = pseudoclient_push_packet(http_worker, http_pseudoclient, username, packet, packet_len);
if (e < 0) {
hlog(LOG_DEBUG, "http incoming packet parse failure code %d: %s", e, packet);
evhttp_send_error(r, HTTP_BADREQUEST, "Packet parsing failure");
return;
}
bufout = evbuffer_new();
evbuffer_add(bufout, "ok\n", 3);
struct evkeyvalq *headers = evhttp_request_get_output_headers(r);
http_header_base(headers, 0);
evhttp_add_header(headers, "Content-Type", "text/plain; charset=UTF-8");
evhttp_send_reply(r, HTTP_OK, "OK", bufout);
evbuffer_free(bufout);
}
static void accept_process_udpsubmit(struct listen_t *l, char *buf, int len, char *remote_host)
{
int packet_len;
char *login_string = NULL;
char *packet = NULL;
char *username = NULL;
char validated;
int e;
//hlog(LOG_DEBUG, "got udp submit: %.*s", len, buf);
packet_len = loginpost_split(buf, len, &login_string, &packet);
if (packet_len == -1) {
hlog(LOG_DEBUG, "UDP submit [%s]: No newline (LF) found in data", remote_host);
return;
}
if (!login_string) {
hlog(LOG_DEBUG, "UDP submit [%s]: No login string in data", remote_host);
return;
}
if (!packet) {
hlog(LOG_DEBUG, "UDP submit [%s]: No packet data found in data", remote_host);
return;
}
hlog(LOG_DEBUG, "UDP submit [%s]: login string: %s", remote_host, login_string);
hlog(LOG_DEBUG, "UDP submit [%s]: packet: %s", remote_host, packet);
/* process the login string */
validated = http_udp_upload_login(remote_host, login_string, &username, "UDP submit");
if (validated < 0) {
hlog(LOG_DEBUG, "UDP submit [%s]: Invalid login string", remote_host);
return;
}
if (validated != 1) {
hlog(LOG_DEBUG, "UDP submit [%s]: Invalid passcode for user %s", remote_host, username);
return;
}
/* packet size limits */
if (packet_len < PACKETLEN_MIN) {
hlog(LOG_DEBUG, "UDP submit [%s]: Packet too short: %d bytes", remote_host, packet_len);
return;
}
if (packet_len > PACKETLEN_MAX-2) {
hlog(LOG_DEBUG, "UDP submit [%s]: Packet too long: %d bytes", remote_host, packet_len);
return;
}
udp_pseudoclient->portaccount = l->portaccount;
e = pseudoclient_push_packet(udp_worker, udp_pseudoclient, username, packet, packet_len);
clientaccount_add(udp_pseudoclient, IPPROTO_UDP, len, 1, 0, 0, (e < 0) ? e : 0, 0);
udp_pseudoclient->portaccount = NULL;
if (e < 0)
hlog(LOG_DEBUG, "UDP submit [%s]: Incoming packet parse failure code %d: %s", remote_host, e, packet);
else
hlog(LOG_DEBUG, "UDP submit [%s]: Incoming packet parsed, code %d: %s", remote_host, e, packet);
}
