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When the input filter finishes, check whether we returned data during the last read and if not, delegate to the remaining filter chain.

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Without that, ProcessPartial for the request body breaks forwarding
of uploaded files using mod_proxy_ajp and mod_wl.

See issue #2091.
This commit is contained in:
Rainer Jung 2019-05-15 01:31:43 +02:00 committed by Felipe Zimmerle
parent 0d663616f7
commit 32e185c2ca
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GPG Key ID: E6DFB08CE8B11277
1 changed files with 8 additions and 0 deletions
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8
apache2/apache2_io.c
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@ -36,6 +36,7 @@ apr_status_t input_filter(ap_filter_t *f, apr_bucket_brigade *bb_out,
msc_data_chunk *chunk = NULL;
apr_bucket *bucket;
apr_status_t rc;
int no_data = 1;
char *my_error_msg = NULL;
if (msr == NULL) {
@ -110,6 +111,7 @@ apr_status_t input_filter(ap_filter_t *f, apr_bucket_brigade *bb_out,
if (bucket == NULL) return APR_EGENERAL;
APR_BRIGADE_INSERT_TAIL(bb_out, bucket);
no_data = 0;
if (msr->txcfg->debuglog_level >= 4) {
msr_log(msr, 4, "Input filter: Forwarded %" APR_SIZE_T_FMT " bytes.", chunk->length);
@ -130,6 +132,7 @@ apr_status_t input_filter(ap_filter_t *f, apr_bucket_brigade *bb_out,
if (bucket == NULL) return APR_EGENERAL;
APR_BRIGADE_INSERT_TAIL(bb_out, bucket);
no_data = 0;
if (msr->txcfg->debuglog_level >= 4) {
msr_log(msr, 4, "Input stream filter: Forwarded %" APR_SIZE_T_FMT " bytes.", msr->stream_input_length);
@ -145,6 +148,7 @@ apr_status_t input_filter(ap_filter_t *f, apr_bucket_brigade *bb_out,
bucket = apr_bucket_eos_create(f->r->connection->bucket_alloc);
if (bucket == NULL) return APR_EGENERAL;
APR_BRIGADE_INSERT_TAIL(bb_out, bucket);
no_data = 0;
if (msr->txcfg->debuglog_level >= 4) {
msr_log(msr, 4, "Input filter: Sent EOS.");
@ -158,6 +162,10 @@ apr_status_t input_filter(ap_filter_t *f, apr_bucket_brigade *bb_out,
if (msr->txcfg->debuglog_level >= 4) {
msr_log(msr, 4, "Input filter: Input forwarding complete.");
}
if (no_data) {
return ap_get_brigade(f->next, bb_out, mode, block, nbytes);
}
}
return APR_SUCCESS;