Patch for https://issues.apache.org/bugzilla/show_bug.cgi?id=49382

ab-ssl-patch.diff

diff --git a/support/ab.c b/support/ab.c
index 2bb7eef..cbf6c55 100644
--- a/support/ab.c
+++ b/support/ab.c
@@ -1509,6 +1509,8 @@ static void read_connection(struct connection * c)
             }
         }
         else {
+            char *cl;
+
             /* have full header */
             if (!good) {
                 /*
@@ -1551,24 +1553,24 @@ static void read_connection(struct connection * c)
             }
             c->gotheader = 1;
             *s = 0;     /* terminate at end of header */
+            cl = strstr(c->cbuff, "Content-Length:");
+            /* handle NCSA, which sends Content-length: */
+            if (!cl)
+                cl = strstr(c->cbuff, "Content-length:");
+            if (cl) {
+                /* response to HEAD doesn't have entity body */
+                c->length = method != HEAD ? atoi(cl + 16) : 0;
+            }
+            /* The response may not have a Content-Length header */
+            if (!cl) {
+               c->keepalive = 1; 
+               c->length = 0;
+            }
+
             if (keepalive &&
             (strstr(c->cbuff, "Keep-Alive")
              || strstr(c->cbuff, "keep-alive"))) {  /* for benefit of MSIIS */
-                char *cl;
-                cl = strstr(c->cbuff, "Content-Length:");
-                /* handle NCSA, which sends Content-length: */
-                if (!cl)
-                    cl = strstr(c->cbuff, "Content-length:");
-                if (cl) {
-                    c->keepalive = 1;
-                    /* response to HEAD doesn't have entity body */
-                    c->length = method != HEAD ? atoi(cl + 16) : 0;
-                }
-                /* The response may not have a Content-Length header */
-                if (!cl) {
-                    c->keepalive = 1;
-                    c->length = 0;
-                }
+                c->keepalive = 1;
             }
             c->bread += c->cbx - (s + l - c->cbuff) + r - tocopy;
             totalbread += c->bread;
@@ -1614,6 +1616,13 @@ static void read_connection(struct connection * c)
         c->start = c->connect = lasttime = apr_time_now();
         write_request(c);
     }
+
+    if (c->length && (c->bread >= c->length)) {
+        /* finished a non keep-alive connection */
+        good++;
+        close_connection(c);
+        return;
+    }
 }
 
 /* --------------------------------------------------------- */