mod_deflate:

Don't fail when asked to flush inflated data to the user-agent and that
coincides with the end of stream ("Zlib error flushing inflate buffer").
PR 56196.

Submitted By: [Christoph Fausak <christoph.fausak glueckkanja com>]
Committed By: ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1572896 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/modules/filters/mod_deflate.c b/modules/filters/mod_deflate.c
index 1d48ddfc977fd9a63a8febdef3d06a9cdc1c6e6b..b7d0d666c4d14b5e60565735d9f5eab54b9f8f4b 100644 (file)
--- a/modules/filters/mod_deflate.c
+++ b/modules/filters/mod_deflate.c
@@ -1521,7 +1521,11 @@ static apr_status_t inflate_out_filter(ap_filter_t *f,
             /* flush the remaining data from the zlib buffers */
             zRC = flush_libz_buffer(ctx, c, f->c->bucket_alloc, inflate,
                                     Z_SYNC_FLUSH, UPDATE_CRC);
-            if (zRC != Z_OK) {
+            if (zRC == Z_STREAM_END) {
+                ctx->validation_buffer = apr_pcalloc(f->r->pool,
+                                                     VALIDATION_SIZE);
+            }
+            else if (zRC != Z_OK) {
                 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(01402)
                               "Zlib error %d flushing inflate buffer (%s)",
                               zRC, ctx->stream.msg);