[hackers] [quark] Adjust last-byte-pos greater than files || Quentin Rameau

[git]

commit 432898af71af69203f2fa33aa604f0461206e49a
Author:     Quentin Rameau <quinq@fifth.space>
AuthorDate: Sat Jul 22 00:07:23 2017 +0200
Commit:     Laslo Hunhold <d...@frign.de>
CommitDate: Sat Jul 22 13:32:06 2017 +0200

    Adjust last-byte-pos greater than files

diff --git a/quark.c b/quark.c
index 07cec1e..c7681e5 100644
--- a/quark.c
+++ b/quark.c
@@ -721,8 +721,7 @@ sendresponse(int fd, struct request *r)
                }
 
                /* check range */
-               if (lower < 0 || upper < 0 || lower > upper ||
-                   upper >= st.st_size) {
+               if (lower < 0 || upper < 0 || lower > upper) {
                        if (dprintf(fd,
                                    "HTTP/1.1 %d %s\r\n"
                                    "Date: %s\r\n"
@@ -737,6 +736,10 @@ sendresponse(int fd, struct request *r)
                        }
                        return S_RANGE_NOT_SATISFIABLE;
                }
+
+               /* adjust upper limit */
+               if (upper >= st.st_size)
+                       upper = st.st_size-1;
        }
 
        /* mime */