|
 |
ebde72 |
From 3a561759fcb37af179585adb8478922dc9bc6a85 Mon Sep 17 00:00:00 2001
|
|
|
ebde72 |
From: Eric Covener <covener@apache.org>
|
|
|
ebde72 |
Date: Wed, 1 Jun 2022 12:36:39 +0000
|
|
|
ebde72 |
Subject: [PATCH] Merge r1901502 from trunk:
|
|
|
ebde72 |
|
|
|
ebde72 |
use filters consistently
|
|
|
ebde72 |
|
|
|
ebde72 |
|
|
|
ebde72 |
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1901503 13f79535-47bb-0310-9956-ffa450edef68
|
|
|
ebde72 |
---
|
|
|
ebde72 |
modules/lua/lua_request.c | 144 ++++++++++++++------------------------
|
|
|
ebde72 |
1 file changed, 53 insertions(+), 91 deletions(-)
|
|
|
ebde72 |
|
|
|
ebde72 |
diff --git a/modules/lua/lua_request.c b/modules/lua/lua_request.c
|
|
|
ebde72 |
index a3e3b613bc9..2ec453e86b4 100644
|
|
|
ebde72 |
--- a/modules/lua/lua_request.c
|
|
|
ebde72 |
+++ b/modules/lua/lua_request.c
|
|
|
ebde72 |
@@ -2227,23 +2227,20 @@ static int lua_websocket_greet(lua_State *L)
|
|
|
ebde72 |
return 0;
|
|
|
ebde72 |
}
|
|
|
ebde72 |
|
|
|
ebde72 |
-static apr_status_t lua_websocket_readbytes(conn_rec* c, char* buffer,
|
|
|
ebde72 |
- apr_off_t len)
|
|
|
ebde72 |
+static apr_status_t lua_websocket_readbytes(conn_rec* c,
|
|
|
ebde72 |
+ apr_bucket_brigade *brigade,
|
|
|
ebde72 |
+ char* buffer, apr_off_t len)
|
|
|
ebde72 |
{
|
|
|
ebde72 |
- apr_bucket_brigade *brigade = apr_brigade_create(c->pool, c->bucket_alloc);
|
|
|
ebde72 |
+ apr_size_t delivered;
|
|
|
ebde72 |
apr_status_t rv;
|
|
|
ebde72 |
+
|
|
|
ebde72 |
rv = ap_get_brigade(c->input_filters, brigade, AP_MODE_READBYTES,
|
|
|
ebde72 |
APR_BLOCK_READ, len);
|
|
|
ebde72 |
if (rv == APR_SUCCESS) {
|
|
|
ebde72 |
- if (!APR_BRIGADE_EMPTY(brigade)) {
|
|
|
ebde72 |
- apr_bucket* bucket = APR_BRIGADE_FIRST(brigade);
|
|
|
ebde72 |
- const char* data = NULL;
|
|
|
ebde72 |
- apr_size_t data_length = 0;
|
|
|
ebde72 |
- rv = apr_bucket_read(bucket, &data, &data_length, APR_BLOCK_READ);
|
|
|
ebde72 |
- if (rv == APR_SUCCESS) {
|
|
|
ebde72 |
- memcpy(buffer, data, len);
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- apr_bucket_delete(bucket);
|
|
|
ebde72 |
+ delivered = len;
|
|
|
ebde72 |
+ rv = apr_brigade_flatten(brigade, buffer, &delivered);
|
|
|
ebde72 |
+ if ((rv == APR_SUCCESS) && (delivered < len)) {
|
|
|
ebde72 |
+ rv = APR_INCOMPLETE;
|
|
|
ebde72 |
}
|
|
|
ebde72 |
}
|
|
|
ebde72 |
apr_brigade_cleanup(brigade);
|
|
|
ebde72 |
@@ -2273,35 +2270,28 @@ static int lua_websocket_peek(lua_State *L)
|
|
|
ebde72 |
|
|
|
ebde72 |
static int lua_websocket_read(lua_State *L)
|
|
|
ebde72 |
{
|
|
|
ebde72 |
- apr_socket_t *sock;
|
|
|
ebde72 |
apr_status_t rv;
|
|
|
ebde72 |
int do_read = 1;
|
|
|
ebde72 |
int n = 0;
|
|
|
ebde72 |
- apr_size_t len = 1;
|
|
|
ebde72 |
apr_size_t plen = 0;
|
|
|
ebde72 |
unsigned short payload_short = 0;
|
|
|
ebde72 |
apr_uint64_t payload_long = 0;
|
|
|
ebde72 |
unsigned char *mask_bytes;
|
|
|
ebde72 |
char byte;
|
|
|
ebde72 |
- int plaintext;
|
|
|
ebde72 |
-
|
|
|
ebde72 |
-
|
|
|
ebde72 |
+ apr_bucket_brigade *brigade;
|
|
|
ebde72 |
+ conn_rec* c;
|
|
|
ebde72 |
+
|
|
|
ebde72 |
request_rec *r = ap_lua_check_request_rec(L, 1);
|
|
|
ebde72 |
- plaintext = ap_lua_ssl_is_https(r->connection) ? 0 : 1;
|
|
|
ebde72 |
+ c = r->connection;
|
|
|
ebde72 |
|
|
|
ebde72 |
-
|
|
|
ebde72 |
mask_bytes = apr_pcalloc(r->pool, 4);
|
|
|
ebde72 |
- sock = ap_get_conn_socket(r->connection);
|
|
|
ebde72 |
+
|
|
|
ebde72 |
+ brigade = apr_brigade_create(r->pool, c->bucket_alloc);
|
|
|
ebde72 |
|
|
|
ebde72 |
while (do_read) {
|
|
|
ebde72 |
do_read = 0;
|
|
|
ebde72 |
/* Get opcode and FIN bit */
|
|
|
ebde72 |
- if (plaintext) {
|
|
|
ebde72 |
- rv = apr_socket_recv(sock, &byte, &len;;
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- else {
|
|
|
ebde72 |
- rv = lua_websocket_readbytes(r->connection, &byte, 1);
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
+ rv = lua_websocket_readbytes(c, brigade, &byte, 1);
|
|
|
ebde72 |
if (rv == APR_SUCCESS) {
|
|
|
ebde72 |
unsigned char ubyte, fin, opcode, mask, payload;
|
|
|
ebde72 |
ubyte = (unsigned char)byte;
|
|
|
ebde72 |
@@ -2311,12 +2301,7 @@ static int lua_websocket_read(lua_State *L)
|
|
|
ebde72 |
opcode = ubyte & 0xf;
|
|
|
ebde72 |
|
|
|
ebde72 |
/* Get the payload length and mask bit */
|
|
|
ebde72 |
- if (plaintext) {
|
|
|
ebde72 |
- rv = apr_socket_recv(sock, &byte, &len;;
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- else {
|
|
|
ebde72 |
- rv = lua_websocket_readbytes(r->connection, &byte, 1);
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
+ rv = lua_websocket_readbytes(c, brigade, &byte, 1);
|
|
|
ebde72 |
if (rv == APR_SUCCESS) {
|
|
|
ebde72 |
ubyte = (unsigned char)byte;
|
|
|
ebde72 |
/* Mask is the first bit */
|
|
|
ebde72 |
@@ -2327,40 +2312,25 @@ static int lua_websocket_read(lua_State *L)
|
|
|
ebde72 |
|
|
|
ebde72 |
/* Extended payload? */
|
|
|
ebde72 |
if (payload == 126) {
|
|
|
ebde72 |
- len = 2;
|
|
|
ebde72 |
- if (plaintext) {
|
|
|
ebde72 |
- /* XXX: apr_socket_recv does not receive len bits, only up to len bits! */
|
|
|
ebde72 |
- rv = apr_socket_recv(sock, (char*) &payload_short, &len;;
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- else {
|
|
|
ebde72 |
- rv = lua_websocket_readbytes(r->connection,
|
|
|
ebde72 |
- (char*) &payload_short, 2);
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- payload_short = ntohs(payload_short);
|
|
|
ebde72 |
+ rv = lua_websocket_readbytes(c, brigade,
|
|
|
ebde72 |
+ (char*) &payload_short, 2);
|
|
|
ebde72 |
|
|
|
ebde72 |
- if (rv == APR_SUCCESS) {
|
|
|
ebde72 |
- plen = payload_short;
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- else {
|
|
|
ebde72 |
+ if (rv != APR_SUCCESS) {
|
|
|
ebde72 |
return 0;
|
|
|
ebde72 |
}
|
|
|
ebde72 |
+
|
|
|
ebde72 |
+ plen = ntohs(payload_short);
|
|
|
ebde72 |
}
|
|
|
ebde72 |
/* Super duper extended payload? */
|
|
|
ebde72 |
if (payload == 127) {
|
|
|
ebde72 |
- len = 8;
|
|
|
ebde72 |
- if (plaintext) {
|
|
|
ebde72 |
- rv = apr_socket_recv(sock, (char*) &payload_long, &len;;
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- else {
|
|
|
ebde72 |
- rv = lua_websocket_readbytes(r->connection,
|
|
|
ebde72 |
- (char*) &payload_long, 8);
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- if (rv == APR_SUCCESS) {
|
|
|
ebde72 |
- plen = ap_ntoh64(&payload_long);
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- else {
|
|
|
ebde72 |
+ rv = lua_websocket_readbytes(c, brigade,
|
|
|
ebde72 |
+ (char*) &payload_long, 8);
|
|
|
ebde72 |
+
|
|
|
ebde72 |
+ if (rv != APR_SUCCESS) {
|
|
|
ebde72 |
return 0;
|
|
|
ebde72 |
}
|
|
|
ebde72 |
+
|
|
|
ebde72 |
+ plen = ap_ntoh64(&payload_long);
|
|
|
ebde72 |
}
|
|
|
ebde72 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03210)
|
|
|
ebde72 |
"Websocket: Reading %" APR_SIZE_T_FMT " (%s) bytes, masking is %s. %s",
|
|
|
ebde72 |
@@ -2369,46 +2339,27 @@ static int lua_websocket_read(lua_State *L)
|
|
|
ebde72 |
mask ? "on" : "off",
|
|
|
ebde72 |
fin ? "This is a final frame" : "more to follow");
|
|
|
ebde72 |
if (mask) {
|
|
|
ebde72 |
- len = 4;
|
|
|
ebde72 |
- if (plaintext) {
|
|
|
ebde72 |
- rv = apr_socket_recv(sock, (char*) mask_bytes, &len;;
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- else {
|
|
|
ebde72 |
- rv = lua_websocket_readbytes(r->connection,
|
|
|
ebde72 |
- (char*) mask_bytes, 4);
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
+ rv = lua_websocket_readbytes(c, brigade,
|
|
|
ebde72 |
+ (char*) mask_bytes, 4);
|
|
|
ebde72 |
+
|
|
|
ebde72 |
if (rv != APR_SUCCESS) {
|
|
|
ebde72 |
return 0;
|
|
|
ebde72 |
}
|
|
|
ebde72 |
}
|
|
|
ebde72 |
if (plen < (HUGE_STRING_LEN*1024) && plen > 0) {
|
|
|
ebde72 |
apr_size_t remaining = plen;
|
|
|
ebde72 |
- apr_size_t received;
|
|
|
ebde72 |
- apr_off_t at = 0;
|
|
|
ebde72 |
char *buffer = apr_palloc(r->pool, plen+1);
|
|
|
ebde72 |
buffer[plen] = 0;
|
|
|
ebde72 |
|
|
|
ebde72 |
- if (plaintext) {
|
|
|
ebde72 |
- while (remaining > 0) {
|
|
|
ebde72 |
- received = remaining;
|
|
|
ebde72 |
- rv = apr_socket_recv(sock, buffer+at, &received);
|
|
|
ebde72 |
- if (received > 0 ) {
|
|
|
ebde72 |
- remaining -= received;
|
|
|
ebde72 |
- at += received;
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
|
|
|
ebde72 |
- "Websocket: Frame contained %" APR_OFF_T_FMT " bytes, pushed to Lua stack",
|
|
|
ebde72 |
- at);
|
|
|
ebde72 |
- }
|
|
|
ebde72 |
- else {
|
|
|
ebde72 |
- rv = lua_websocket_readbytes(r->connection, buffer,
|
|
|
ebde72 |
- remaining);
|
|
|
ebde72 |
- ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
|
|
|
ebde72 |
- "Websocket: SSL Frame contained %" APR_SIZE_T_FMT " bytes, "\
|
|
|
ebde72 |
- "pushed to Lua stack",
|
|
|
ebde72 |
- remaining);
|
|
|
ebde72 |
+ rv = lua_websocket_readbytes(c, brigade, buffer, remaining);
|
|
|
ebde72 |
+
|
|
|
ebde72 |
+ if (rv != APR_SUCCESS) {
|
|
|
ebde72 |
+ return 0;
|
|
|
ebde72 |
}
|
|
|
ebde72 |
+
|
|
|
ebde72 |
+ ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
|
|
|
ebde72 |
+ "Websocket: Frame contained %" APR_SIZE_T_FMT \
|
|
|
ebde72 |
+ " bytes, pushed to Lua stack", remaining);
|
|
|
ebde72 |
if (mask) {
|
|
|
ebde72 |
for (n = 0; n < plen; n++) {
|
|
|
ebde72 |
buffer[n] ^= mask_bytes[n%4];
|
|
|
ebde72 |
@@ -2420,14 +2371,25 @@ static int lua_websocket_read(lua_State *L)
|
|
|
ebde72 |
return 2;
|
|
|
ebde72 |
}
|
|
|
ebde72 |
|
|
|
ebde72 |
-
|
|
|
ebde72 |
/* Decide if we need to react to the opcode or not */
|
|
|
ebde72 |
if (opcode == 0x09) { /* ping */
|
|
|
ebde72 |
char frame[2];
|
|
|
ebde72 |
- plen = 2;
|
|
|
ebde72 |
+ apr_bucket *b;
|
|
|
ebde72 |
+
|
|
|
ebde72 |
frame[0] = 0x8A;
|
|
|
ebde72 |
frame[1] = 0;
|
|
|
ebde72 |
- apr_socket_send(sock, frame, &plen); /* Pong! */
|
|
|
ebde72 |
+
|
|
|
ebde72 |
+ /* Pong! */
|
|
|
ebde72 |
+ b = apr_bucket_transient_create(frame, 2, c->bucket_alloc);
|
|
|
ebde72 |
+ APR_BRIGADE_INSERT_TAIL(brigade, b);
|
|
|
ebde72 |
+
|
|
|
ebde72 |
+ rv = ap_pass_brigade(c->output_filters, brigade);
|
|
|
ebde72 |
+ apr_brigade_cleanup(brigade);
|
|
|
ebde72 |
+
|
|
|
ebde72 |
+ if (rv != APR_SUCCESS) {
|
|
|
ebde72 |
+ return 0;
|
|
|
ebde72 |
+ }
|
|
|
ebde72 |
+
|
|
|
ebde72 |
do_read = 1;
|
|
|
ebde72 |
}
|
|
|
ebde72 |
}
|