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Limit amount of bytes read for one read-event (fixes #1070) 

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2480 152afb58-edef-0310-8abb-c4023f1b3aa9
This commit is contained in:
Stefan Bühler 2009-04-26 18:29:09 +00:00
parent 0226d4bf36
commit 966ba442dc
3 changed files with 6 additions and 2 deletions
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1
NEWS
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@ -28,6 +28,7 @@ NEWS
* Fix bug with FastCGI request id overflow under high load; just use always id 1 as we don't use multiplexing. (thx jgray)
* Add some dirlisting enhancements (fixes #1458)
* Add option to enable TCP_DEFER_ACCEPT (fixes #1447)
* Limit amount of bytes read for one read-event (fixes #1070)
- 1.4.22 - 2009-03-07
* Fix wrong lua type for CACHE_MISS/CACHE_HIT in mod_cml (fixes #533)

6
src/connections.c
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@ -192,7 +192,7 @@ static void dump_packet(const unsigned char *data, size_t len) {
static int connection_handle_read_ssl(server *srv, connection *con) {
#ifdef USE_OPENSSL
int r, ssl_err, len;
int r, ssl_err, len, count = 0;
buffer *b = NULL;
if (!con->conf.is_ssl) return -1;
@ -221,10 +221,11 @@ static int connection_handle_read_ssl(server *srv, connection *con) {
/* we move the buffer to the chunk-queue, no need to free it */
chunkqueue_append_buffer_weak(con->read_queue, b);
count += len;
con->bytes_read += len;
b = NULL;
}
} while (len > 0);
} while (len > 0 && count < MAX_READ_LIMIT);
if (len < 0) {
@ -334,6 +335,7 @@ static int connection_handle_read(server *srv, connection *con) {
b = chunkqueue_get_append_buffer(con->read_queue);
buffer_prepare_copy(b, 4 * 1024);
} else {
if (toread > MAX_READ_LIMIT) toread = MAX_READ_LIMIT;
b = chunkqueue_get_append_buffer(con->read_queue);
buffer_prepare_copy(b, toread + 1);
}

1
src/settings.h
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@ -13,6 +13,7 @@
* 64kB (no real reason, just a guess)
*/
#define BUFFER_MAX_REUSE_SIZE (4 * 1024)
#define MAX_READ_LIMIT (4*1024*1024)
/**
* max size of the HTTP request header