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response headers: do not add automatic "Content-Length" header if response already has it

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If application used MHD_RF_INSANITY_HEADER_CONTENT_LENGTH response flag
and added manual "Content-Length" header, MHD will not add the correct
header.
This commit is contained in:
Evgeny Grin (Karlson2k) committed 2022-03-07 21:29:41 +03:00
1 parent edf32d5108
commit 406c434c72
1 file changed
+19 -15
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src/microhttpd/connection.c
+19 -15
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@@ -2175,6 +2175,7 @@ build_header_response (struct MHD_Connection *connection)
if (c->rp_props.use_reply_body_headers)
{
/* Body-specific headers */
if (c->rp_props.chunked)
{ /* Chunked encoding is used */
if (0 == (r->flags_auto & MHD_RAF_HAS_TRANS_ENC_CHUNKED))
@@ -2185,23 +2186,26 @@ build_header_response (struct MHD_Connection *connection)
return MHD_NO;
}
}
else
{ /* Chunked encoding is not used */
else /* Chunked encoding is not used */
{
if (MHD_SIZE_UNKNOWN != r->total_size)
{
if (! buffer_append_s (buf, &pos, buf_size,
MHD_HTTP_HEADER_CONTENT_LENGTH ": "))
return MHD_NO;
el_size = MHD_uint64_to_str (r->total_size, buf + pos,
buf_size - pos);
if (0 == el_size)
return MHD_NO;
pos += el_size;
{ /* The size is known */
if (0 == (r->flags_auto & MHD_RAF_HAS_CONTENT_LENGTH))
{ /* The response does not have "Content-Length" header */
if (! buffer_append_s (buf, &pos, buf_size,
MHD_HTTP_HEADER_CONTENT_LENGTH ": "))
return MHD_NO;
el_size = MHD_uint64_to_str (r->total_size, buf + pos,
buf_size - pos);
if (0 == el_size)
return MHD_NO;
pos += el_size;
if (buf_size < pos + 2)
return MHD_NO;
buf[pos++] = '\r';
buf[pos++] = '\n';
if (buf_size < pos + 2)
return MHD_NO;
buf[pos++] = '\r';
buf[pos++] = '\n';
}
}
}
}