X-Git-Url: http://www.privoxy.org/gitweb/?a=blobdiff_plain;f=parsers.c;h=1cb46dfeb5d928087c27599f3057b6294843a40d;hb=97dd9156ef66ce0685c2d6c2723a684f548aa3d6;hp=999c715e3d041adbe27c19b0d51ea9d22270dc0c;hpb=ebf8e996becaa6488e2d1e6073db0d3da5971beb;p=privoxy.git

diff --git a/parsers.c b/parsers.c
index 999c715e..1cb46dfe 100644
--- a/parsers.c
+++ b/parsers.c
@@ -608,6 +608,14 @@ jb_err decompress_iob(struct client_state *csp)
              * XXX: this code is untested and should probably be removed.
              */
             int skip_bytes;
+
+            if (cur + 2 >= csp->iob->eod)
+            {
+               log_error(LOG_LEVEL_ERROR,
+                  "gzip extra field flag set but insufficient data available.");
+               return JB_ERR_COMPRESS;
+            }
+
             skip_bytes = *cur++;
             skip_bytes += (unsigned char)*cur++ << 8;
 
@@ -1293,6 +1301,17 @@ jb_err sed(struct client_state *csp, int filter_server_headers)
       v++;
    }
 
+   if (filter_server_headers &&
+      (csp->flags & CSP_FLAG_SERVER_CONTENT_LENGTH_SET) &&
+      (csp->flags & CSP_FLAG_CHUNKED))
+   {
+      /* RFC 2616 4.4 3 */
+      log_error(LOG_LEVEL_HEADER, "Ignoring the Content-Length header "
+         "sent by the server as the response is chunk-encoded.");
+      csp->flags &= ~CSP_FLAG_CONTENT_LENGTH_SET;
+      csp->expected_content_length = 0;
+   }
+
    /* place additional headers on the csp->headers list */
    while ((err == JB_ERR_OK) && (*f))
    {
@@ -4609,7 +4628,10 @@ static jb_err parse_time_header(const char *header, time_t *result)
     * through sed() which requires a header name followed by
     * a colon.
     */
-   assert(header_time != NULL);
+   if (header_time == NULL)
+   {
+      return JB_ERR_PARSE;
+   }
 
    header_time++;
    if (*header_time == ' ')