diff --git a/modules/lua/lua_request.c b/modules/lua/lua_request.c
index ba63584..c1ba74a 100644
--- a/modules/lua/lua_request.c
+++ b/modules/lua/lua_request.c
@@ -2193,23 +2193,20 @@ static int lua_websocket_greet(lua_State *L)
return 0;
}
-static apr_status_t lua_websocket_readbytes(conn_rec* c, char* buffer,
- apr_off_t len)
+static apr_status_t lua_websocket_readbytes(conn_rec* c,
+ apr_bucket_brigade *brigade,
+ char* buffer, apr_off_t len)
{
- apr_bucket_brigade *brigade = apr_brigade_create(c->pool, c->bucket_alloc);
+ apr_size_t delivered;
apr_status_t rv;
+
rv = ap_get_brigade(c->input_filters, brigade, AP_MODE_READBYTES,
APR_BLOCK_READ, len);
if (rv == APR_SUCCESS) {
- if (!APR_BRIGADE_EMPTY(brigade)) {
- apr_bucket* bucket = APR_BRIGADE_FIRST(brigade);
- const char* data = NULL;
- apr_size_t data_length = 0;
- rv = apr_bucket_read(bucket, &data, &data_length, APR_BLOCK_READ);
- if (rv == APR_SUCCESS) {
- memcpy(buffer, data, len);
- }
- apr_bucket_delete(bucket);
+ delivered = len;
+ rv = apr_brigade_flatten(brigade, buffer, &delivered);
+ if ((rv == APR_SUCCESS) && (delivered < len)) {
+ rv = APR_INCOMPLETE;
}
}
apr_brigade_cleanup(brigade);
@@ -2239,35 +2236,28 @@ static int lua_websocket_peek(lua_State *L)
static int lua_websocket_read(lua_State *L)
{
- apr_socket_t *sock;
apr_status_t rv;
int do_read = 1;
int n = 0;
- apr_size_t len = 1;
apr_size_t plen = 0;
unsigned short payload_short = 0;
apr_uint64_t payload_long = 0;
unsigned char *mask_bytes;
char byte;
- int plaintext;
-
-
+ apr_bucket_brigade *brigade;
+ conn_rec* c;
+
request_rec *r = ap_lua_check_request_rec(L, 1);
- plaintext = ap_lua_ssl_is_https(r->connection) ? 0 : 1;
+ c = r->connection;
-
mask_bytes = apr_pcalloc(r->pool, 4);
- sock = ap_get_conn_socket(r->connection);
+
+ brigade = apr_brigade_create(r->pool, c->bucket_alloc);
while (do_read) {
do_read = 0;
/* Get opcode and FIN bit */
- if (plaintext) {
- rv = apr_socket_recv(sock, &byte, &len);
- }
- else {
- rv = lua_websocket_readbytes(r->connection, &byte, 1);
- }
+ rv = lua_websocket_readbytes(c, brigade, &byte, 1);
if (rv == APR_SUCCESS) {
unsigned char ubyte, fin, opcode, mask, payload;
ubyte = (unsigned char)byte;
@@ -2277,12 +2267,7 @@ static int lua_websocket_read(lua_State *L)
opcode = ubyte & 0xf;
/* Get the payload length and mask bit */
- if (plaintext) {
- rv = apr_socket_recv(sock, &byte, &len);
- }
- else {
- rv = lua_websocket_readbytes(r->connection, &byte, 1);
- }
+ rv = lua_websocket_readbytes(c, brigade, &byte, 1);
if (rv == APR_SUCCESS) {
ubyte = (unsigned char)byte;
/* Mask is the first bit */
@@ -2293,40 +2278,25 @@ static int lua_websocket_read(lua_State *L)
/* Extended payload? */
if (payload == 126) {
- len = 2;
- if (plaintext) {
- /* XXX: apr_socket_recv does not receive len bits, only up to len bits! */
- rv = apr_socket_recv(sock, (char*) &payload_short, &len);
- }
- else {
- rv = lua_websocket_readbytes(r->connection,
- (char*) &payload_short, 2);
- }
- payload_short = ntohs(payload_short);
+ rv = lua_websocket_readbytes(c, brigade,
+ (char*) &payload_short, 2);
- if (rv == APR_SUCCESS) {
- plen = payload_short;
- }
- else {
+ if (rv != APR_SUCCESS) {
return 0;
}
+
+ plen = ntohs(payload_short);
}
/* Super duper extended payload? */
if (payload == 127) {
- len = 8;
- if (plaintext) {
- rv = apr_socket_recv(sock, (char*) &payload_long, &len);
- }
- else {
- rv = lua_websocket_readbytes(r->connection,
- (char*) &payload_long, 8);
- }
- if (rv == APR_SUCCESS) {
- plen = ap_ntoh64(&payload_long);
- }
- else {
+ rv = lua_websocket_readbytes(c, brigade,
+ (char*) &payload_long, 8);
+
+ if (rv != APR_SUCCESS) {
return 0;
}
+
+ plen = ap_ntoh64(&payload_long);
}
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03210)
"Websocket: Reading %" APR_SIZE_T_FMT " (%s) bytes, masking is %s. %s",
@@ -2335,46 +2305,27 @@ static int lua_websocket_read(lua_State *L)
mask ? "on" : "off",
fin ? "This is a final frame" : "more to follow");
if (mask) {
- len = 4;
- if (plaintext) {
- rv = apr_socket_recv(sock, (char*) mask_bytes, &len);
- }
- else {
- rv = lua_websocket_readbytes(r->connection,
- (char*) mask_bytes, 4);
- }
+ rv = lua_websocket_readbytes(c, brigade,
+ (char*) mask_bytes, 4);
+
if (rv != APR_SUCCESS) {
return 0;
}
}
if (plen < (HUGE_STRING_LEN*1024) && plen > 0) {
apr_size_t remaining = plen;
- apr_size_t received;
- apr_off_t at = 0;
char *buffer = apr_palloc(r->pool, plen+1);
buffer[plen] = 0;
- if (plaintext) {
- while (remaining > 0) {
- received = remaining;
- rv = apr_socket_recv(sock, buffer+at, &received);
- if (received > 0 ) {
- remaining -= received;
- at += received;
- }
- }
- ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
- "Websocket: Frame contained %" APR_OFF_T_FMT " bytes, pushed to Lua stack",
- at);
- }
- else {
- rv = lua_websocket_readbytes(r->connection, buffer,
- remaining);
- ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
- "Websocket: SSL Frame contained %" APR_SIZE_T_FMT " bytes, "\
- "pushed to Lua stack",
- remaining);
+ rv = lua_websocket_readbytes(c, brigade, buffer, remaining);
+
+ if (rv != APR_SUCCESS) {
+ return 0;
}
+
+ ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
+ "Websocket: Frame contained %" APR_SIZE_T_FMT \
+ " bytes, pushed to Lua stack", remaining);
if (mask) {
for (n = 0; n < plen; n++) {
buffer[n] ^= mask_bytes[n%4];
@@ -2386,14 +2337,25 @@ static int lua_websocket_read(lua_State *L)
return 2;
}
-
/* Decide if we need to react to the opcode or not */
if (opcode == 0x09) { /* ping */
char frame[2];
- plen = 2;
+ apr_bucket *b;
+
frame[0] = 0x8A;
frame[1] = 0;
- apr_socket_send(sock, frame, &plen); /* Pong! */
+
+ /* Pong! */
+ b = apr_bucket_transient_create(frame, 2, c->bucket_alloc);
+ APR_BRIGADE_INSERT_TAIL(brigade, b);
+
+ rv = ap_pass_brigade(c->output_filters, brigade);
+ apr_brigade_cleanup(brigade);
+
+ if (rv != APR_SUCCESS) {
+ return 0;
+ }
+
do_read = 1;
}
}