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From 8c14927162cf3b4f810683e1c5505e9ef9e1f123 Mon Sep 17 00:00:00 2001
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From: Eric Covener <covener@apache.org>
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Date: Wed, 1 Jun 2022 12:34:16 +0000
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Subject: [PATCH] Merge r1901500 from trunk:
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handle large writes in ap_rputs
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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1901501 13f79535-47bb-0310-9956-ffa450edef68
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---
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include/http_protocol.h | 22 +++++++++++++++++++++-
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server/protocol.c | 3 +++
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2 files changed, 24 insertions(+), 1 deletion(-)
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diff --git a/include/http_protocol.h b/include/http_protocol.h
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index 20bd2022266..94c481e5f43 100644
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--- a/include/http_protocol.h
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+++ b/include/http_protocol.h
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@@ -475,7 +475,27 @@ AP_DECLARE(int) ap_rwrite(const void *buf, int nbyte, request_rec *r);
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*/
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static APR_INLINE int ap_rputs(const char *str, request_rec *r)
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{
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- return ap_rwrite(str, (int)strlen(str), r);
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+ apr_size_t len;
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+
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+ len = strlen(str);
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+
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+ for (;;) {
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+ if (len <= INT_MAX) {
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+ return ap_rwrite(str, (int)len, r);
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+ }
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+ else {
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+ int rc;
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+
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+ rc = ap_rwrite(str, INT_MAX, r);
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+ if (rc < 0) {
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+ return rc;
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+ }
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+ else {
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+ str += INT_MAX;
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+ len -= INT_MAX;
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+ }
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+ }
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+ }
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}
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/**
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diff --git a/server/protocol.c b/server/protocol.c
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index 298f61e1fb8..7adc7f75c10 100644
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--- a/server/protocol.c
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+++ b/server/protocol.c
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@@ -2128,6 +2128,9 @@ AP_DECLARE(int) ap_rputc(int c, request_rec *r)
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AP_DECLARE(int) ap_rwrite(const void *buf, int nbyte, request_rec *r)
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{
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+ if (nbyte < 0)
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+ return -1;
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+
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if (r->connection->aborted)
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return -1;
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