httpd: fix bug where we were trying to read more POSTDATA than content-length

1 files changed, 11 insertions, 0 deletions

diff --git a/networking/httpd.c b/networking/httpd.c
index 61185025c..82755a08a 100644
--- a/networking/httpd.c
+++ b/networking/httpd.c
@@ -1051,6 +1051,17 @@ static NOINLINE void cgi_io_loop_and_exit(int fromCgi_rd, int toCgi_wr, int post
          * and send it to the peer. So please no SIGPIPEs! */
         signal(SIGPIPE, SIG_IGN);
 
+        // We inconsistently handle a case when more POSTDATA from network
+        // is coming than we expected. We may give *some part* of that
+        // extra data to CGI.
+
+        //if (hdr_cnt > post_len) {
+        //      /* We got more POSTDATA from network than we expected */
+        //      hdr_cnt = post_len;
+        //}
+        post_len -= hdr_cnt;
+        /* post_len - number of POST bytes not yet read from network */
+
         /* NB: breaking out of this loop jumps to log_and_exit() */
         out_cnt = 0;
         while (1) {