| 2189 | } |
| 2190 | |
| 2191 | static int lua_websocket_greet(lua_State *L) |
| 2192 | { |
| 2193 | const char *key = NULL; |
| 2194 | unsigned char digest[APR_SHA1_DIGESTSIZE]; |
| 2195 | apr_sha1_ctx_t sha1; |
| 2196 | char *encoded; |
| 2197 | int encoded_len; |
| 2198 | request_rec *r = ap_lua_check_request_rec(L, 1); |
| 2199 | key = apr_table_get(r->headers_in, "Sec-WebSocket-Key"); |
| 2200 | if (key != NULL) { |
| 2201 | ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03011) |
| 2202 | "Websocket: Got websocket key: %s", key); |
| 2203 | key = apr_pstrcat(r->pool, key, "258EAFA5-E914-47DA-95CA-C5AB0DC85B11", |
| 2204 | NULL); |
| 2205 | apr_sha1_init(&sha1); |
| 2206 | apr_sha1_update(&sha1, key, strlen(key)); |
| 2207 | apr_sha1_final(digest, &sha1); |
| 2208 | encoded_len = apr_base64_encode_len(APR_SHA1_DIGESTSIZE); |
| 2209 | if (encoded_len) { |
| 2210 | encoded = apr_palloc(r->pool, encoded_len); |
| 2211 | encoded_len = apr_base64_encode(encoded, (char*) digest, APR_SHA1_DIGESTSIZE); |
| 2212 | r->status = 101; |
| 2213 | apr_table_setn(r->headers_out, "Upgrade", "websocket"); |
| 2214 | apr_table_setn(r->headers_out, "Connection", "Upgrade"); |
| 2215 | apr_table_setn(r->headers_out, "Sec-WebSocket-Accept", encoded); |
| 2216 | |
| 2217 | /* Trick httpd into NOT using the chunked filter, IMPORTANT!!!111*/ |
| 2218 | apr_table_setn(r->headers_out, "Transfer-Encoding", "chunked"); |
| 2219 | |
| 2220 | r->clength = 0; |
| 2221 | r->bytes_sent = 0; |
| 2222 | r->read_chunked = 0; |
| 2223 | ap_rflush(r); |
| 2224 | ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03012) |
| 2225 | "Websocket: Upgraded from HTTP to Websocket"); |
| 2226 | lua_pushboolean(L, 1); |
| 2227 | return 1; |
| 2228 | } |
| 2229 | } |
| 2230 | ap_log_rerror(APLOG_MARK, APLOG_NOTICE, 0, r, APLOGNO(02666) |
| 2231 | "Websocket: Upgrade from HTTP to Websocket failed"); |
| 2232 | return 0; |
| 2233 | } |
| 2234 | |
| 2235 | static apr_status_t lua_websocket_readbytes(conn_rec* c, |
| 2236 | apr_bucket_brigade *brigade, |
nothing calls this directly
no test coverage detected