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comparison src/http/modules/ngx_http_fastcgi_module.c @ 6512:b5734248d5e7

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FastCGI: skip special bufs in buffered request body chain. This prevents forming empty records out of such buffers. Particularly it fixes double end-of-stream records with chunked transfer encoding, or when HTTP/2 is used and the END_STREAM flag has been sent without data. In both cases there is an empty buffer at the end of the request body chain with the "last_buf" flag set. The canonical libfcgi, as well as php implementation, tolerates such records, while the HHVM parser is more strict and drops the connection (ticket #950).
author Valentin Bartenev <vbart@nginx.com>
date Mon, 11 Apr 2016 18:42:34 +0300
parents f01ab2dbcfdc
children 1d0e03db9f8e
comparison
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6511:640288d0e1bc 6512:b5734248d5e7
1175 pos = NULL; 1175 pos = NULL;
1176 #endif 1176 #endif
1177 1177
1178 while (body) { 1178 while (body) {
1179 1179
1180 if (ngx_buf_special(body->buf)) {
1181 body = body->next;
1182 continue;
1183 }
1184
1180 if (body->buf->in_file) { 1185 if (body->buf->in_file) {
1181 file_pos = body->buf->file_pos; 1186 file_pos = body->buf->file_pos;
1182 1187
1183 } else { 1188 } else {
1184 pos = body->buf->pos; 1189 pos = body->buf->pos;