[patch] Patch (review-friendly with WS changes stripped)

httpd-2.2.17-proxy_ajp_error_override-stripped.patch (text/plain), 5.85 KB, created by Peter Pramberger on 2011-03-18 12:41:54 UTC

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Description: Patch (review-friendly with WS changes stripped)

Filename:

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Creator: Peter Pramberger

Created: 2011-03-18 12:41:54 UTC

Size: 5.85 KB

patch

obsolete

>--- httpd-2.2.17/modules/proxy/mod_proxy_ajp.c.orig 2010-08-25 16:16:25.000000000 +0200 >+++ httpd-2.2.17/modules/proxy/mod_proxy_ajp.c 2011-03-18 13:47:52.000000000 +0100 >@@ -188,10 +188,12 @@ static int ap_proxy_ajp_request(apr_pool > proxy_server_conf *psf = > ap_get_module_config(r->server->module_config, &proxy_module); > apr_size_t maxsize = AJP_MSG_BUFFER_SZ; > int send_body = 0; > apr_off_t content_length = 0; >+ int original_status = r->status; >+ const char *original_status_line = r->status_line; > > if (psf->io_buffer_size_set) > maxsize = psf->io_buffer_size; > if (maxsize > AJP_MAX_BUFFER_SZ) > maxsize = AJP_MAX_BUFFER_SZ; >@@ -428,16 +430,31 @@ static int ap_proxy_ajp_request(apr_pool > /* AJP13_SEND_HEADERS: process them */ > status = ajp_parse_header(r, conf, conn->data); > if (status != APR_SUCCESS) { > backend_failed = 1; > } >+ else if ((r->status == 401) && psf->error_override) { >+ const char *buf; >+ const char *wa = "WWW-Authenticate"; >+ if ((buf = apr_table_get(r->headers_out, wa))) { >+ apr_table_set(r->err_headers_out, wa, buf); >+ } else { >+ ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server, >+ "ap_proxy_ajp_request: origin server " >+ "sent 401 without WWW-Authenticate header"); >+ } >+ } > headers_sent = 1; > break; > case CMD_AJP13_SEND_BODY_CHUNK: > /* AJP13_SEND_BODY_CHUNK: piece of data */ > status = ajp_parse_data(r, conn->data, &size, &send_body_chunk_buff); > if (status == APR_SUCCESS) { >+ /* If we are overriding the errors, we can't put the content >+ * of the page into the brigade. >+ */ >+ if (!psf->error_override || !ap_is_HTTP_ERROR(r->status)) { > /* AJP13_SEND_BODY_CHUNK with zero length > * is explicit flush message > */ > if (size == 0) { > if (headers_sent) { >@@ -450,10 +467,21 @@ static int ap_proxy_ajp_request(apr_pool > } > } > else { > apr_status_t rv; > >+ /* Handle the case where the error document is itself reverse >+ * proxied and was successful. We must maintain any previous >+ * error status so that an underlying error (eg HTTP_NOT_FOUND) >+ * doesn't become an HTTP_OK. >+ */ >+ if (psf->error_override && !ap_is_HTTP_ERROR(r->status) >+ && ap_is_HTTP_ERROR(original_status)) { >+ r->status = original_status; >+ r->status_line = original_status_line; >+ } >+ > e = apr_bucket_transient_create(send_body_chunk_buff, size, > r->connection->bucket_alloc); > APR_BRIGADE_INSERT_TAIL(output_brigade, e); > > if ((conn->worker->flush_packets == flush_on) || >@@ -478,25 +506,32 @@ static int ap_proxy_ajp_request(apr_pool > output_failed = 1; > } > data_sent = 1; > apr_brigade_cleanup(output_brigade); > } >+ } > else { > backend_failed = 1; > } > break; > case CMD_AJP13_END_RESPONSE: >+ /* If we are overriding the errors, we must not send anything to >+ * the client, especially as the brigade already contains headers. >+ * So do nothing here, and it will be cleaned up below. >+ */ >+ if (!psf->error_override || !ap_is_HTTP_ERROR(r->status)) { > e = apr_bucket_eos_create(r->connection->bucket_alloc); > APR_BRIGADE_INSERT_TAIL(output_brigade, e); > if (ap_pass_brigade(r->output_filters, > output_brigade) != APR_SUCCESS) { > ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, > "proxy: error processing end"); > output_failed = 1; > } > /* XXX: what about flush here? See mod_jk */ > data_sent = 1; >+ } > request_ended = 1; > break; > default: > backend_failed = 1; > break; >@@ -567,12 +602,22 @@ static int ap_proxy_ajp_request(apr_pool > else { > ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server, > "proxy: got response from %pI (%s)", > conn->worker->cp->addr, > conn->worker->hostname); >+ >+ if (psf->error_override && ap_is_HTTP_ERROR(r->status)) { >+ /* clear r->status for override error, otherwise ErrorDocument >+ * thinks that this is a recursive error, and doesn't find the >+ * custom error page >+ */ >+ rv = r->status; >+ r->status = HTTP_OK; >+ } else { > rv = OK; > } >+ } > > if (backend_failed) { > ap_log_error(APLOG_MARK, APLOG_ERR, status, r->server, > "proxy: dialog to %pI (%s) failed", > conn->worker->cp->addr, View Attachment As Diff View Attachment As Raw

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