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From 8c14927162cf3b4f810683e1c5505e9ef9e1f123 Mon Sep 17 00:00:00 2001
From: Eric Covener <covener@apache.org>
Date: Wed, 1 Jun 2022 12:34:16 +0000
Subject: [PATCH] Merge r1901500 from trunk:
handle large writes in ap_rputs
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1901501 13f79535-47bb-0310-9956-ffa450edef68
Origin: https://github.com/apache/httpd/commit/8c14927162cf3b4f810683e1c5505e9ef9e1f123
---
include/http_protocol.h | 22 +++++++++++++++++++++-
server/protocol.c | 3 +++
2 files changed, 24 insertions(+), 1 deletion(-)
diff --git a/include/http_protocol.h b/include/http_protocol.h
index 20bd202226..94c481e5f4 100644
--- a/include/http_protocol.h
+++ b/include/http_protocol.h
@@ -475,7 +475,27 @@ AP_DECLARE(int) ap_rwrite(const void *buf, int nbyte, request_rec *r);
*/
static APR_INLINE int ap_rputs(const char *str, request_rec *r)
{
- return ap_rwrite(str, (int)strlen(str), r);
+ apr_size_t len;
+
+ len = strlen(str);
+
+ for (;;) {
+ if (len <= INT_MAX) {
+ return ap_rwrite(str, (int)len, r);
+ }
+ else {
+ int rc;
+
+ rc = ap_rwrite(str, INT_MAX, r);
+ if (rc < 0) {
+ return rc;
+ }
+ else {
+ str += INT_MAX;
+ len -= INT_MAX;
+ }
+ }
+ }
}
/**
diff --git a/server/protocol.c b/server/protocol.c
index 298f61e1fb..7adc7f75c1 100644
--- a/server/protocol.c
+++ b/server/protocol.c
@@ -2128,6 +2128,9 @@ AP_DECLARE(int) ap_rputc(int c, request_rec *r)
AP_DECLARE(int) ap_rwrite(const void *buf, int nbyte, request_rec *r)
{
+ if (nbyte < 0)
+ return -1;
+
if (r->connection->aborted)
return -1;
--
2.30.2
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