[SSSD] [sssd PR#198][comment] secrets: support https in proxy provider

[lslebodn]

URL: https://github.com/SSSD/sssd/pull/198
Title: #198: secrets: support https in proxy provider

lslebodn commented:
"""
There is still the same problem on rhel7 even with the latest version

```
(gdb) l 563
558             return;
559         }
560
561         len = http_parser_execute(&prctx->parser, &prctx->callbacks,
562                                   data.data, data.length);
563         if (len != data.length) {
564             DEBUG(SSSDBG_FATAL_FAILURE,
565                   "Failed to parse request, aborting client!\n");
566             talloc_free(cctx);
567             return;
(gdb) p len != data.length
$4 = 1
(gdb) p len
$5 = 116
(gdb) p data
$6 = {data = 0x7ffc8fec2190 "POST /secrets/cont/ HTTP/1.1\r\nHost: localhost\r\nAccept: */*\r\nContent-type: application/octet-stream\r\nContent-Length: -1\r\n\r\n", length = 122}

```

"""

See the full comment at https://github.com/SSSD/sssd/pull/198#issuecomment-290092914