htparser: Enforce no more than Content-Length bytes are passed to the client.

diff --git a/src/htparser.c b/src/htparser.c
index 33ceb49..d1b0a1c 100644 (file)
--- a/src/htparser.c
+++ b/src/htparser.c
@@ -283,8 +283,8 @@ void serve(FILE *in, struct conn *conn)
                if(!hasheader(req, "connection", "keep-alive"))
                    break;
            } else if((hd = getheader(resp, "content-length")) != NULL) {
-               dlen = passdata(out, in, -1);
-               if(dlen != atoo(hd))
+               dlen = atoo(hd);
+               if(passdata(out, in, dlen) != dlen)
                    break;
                if(!hasheader(req, "connection", "keep-alive"))
                    break;
@@ -301,8 +301,8 @@ void serve(FILE *in, struct conn *conn)
            } else if((hd = getheader(resp, "content-length")) != NULL) {
                writeresp(in, resp);
                fprintf(in, "\r\n");
-               dlen = passdata(out, in, -1);
-               if(dlen != atoo(hd))
+               dlen = atoo(hd);
+               if(passdata(out, in, dlen) != dlen)
                    break;
            } else if(!getheader(resp, "transfer-encoding")) {
                headappheader(resp, "Transfer-Encoding", "chunked");