[stunnel-users] "Socket operation on non-socket" when trying to pass the configuration file as a file descriptor on OSX

[Guylhem]

Hello

I'm trying to pass the configuration file with option fd.
However, I get the following errors when I do :

echo my configuration | stunnel -fd 0

This is not related to echo since I get the same errors with:

cat conf | stunnel -fd 0

stunnel is just filling my logs with :

 2014-07-13 6:48:46.675 PM stunnel[1959]: LOG3[140735238959888]: local
socket: Socket operation on non-socket (38)
2014-07-13 6:48:46.676 PM stunnel[1959]: LOG3[140735238959888]: local
socket: Socket operation on non-socket (38)
(...)

stunnel ./conf works fine

I found a reference to a bug that caused this same error message on OSX
when run in inetd mode, but nothing else. Any help is appreciated

I'm using stunnel 5.02 on x86_64-apple-darwin13.2.0 platform with the
following in -sockets:

Socket option defaults:

    Option Name     |  Accept  |   Local  |  Remote  |OS default

    ----------------+----------+----------+----------+----------

    SO_DEBUG        |    --    |    --    |    --    |        no

    SO_DONTROUTE    |    --    |    --    |    --    |        no

    SO_KEEPALIVE    |    --    |    --    |    --    |        no

    SO_LINGER       |    --    |    --    |    --    |       0:0

    SO_OOBINLINE    |    --    |    --    |    --    |        no

    SO_RCVBUF       |    --    |    --    |    --    |    131072

    SO_SNDBUF       |    --    |    --    |    --    |    131072

    SO_RCVLOWAT     |    --    |    --    |    --    |         1

    SO_SNDLOWAT     |    --    |    --    |    --    |      2048

    SO_RCVTIMEO     |    --    |    --    |    --    |       0:0

    SO_SNDTIMEO     |    --    |    --    |    --    |       0:0

    SO_REUSEADDR    |       yes|    --    |    --    |        no

    TCP_KEEPCNT     |    --    |    --    |    --    |write-only

    TCP_KEEPINTVL   |    --    |    --    |    --    |write-only

    IP_TOS          |    --    |    --    |    --    |         0

    IP_TTL          |    --    |    --    |    --    |        64

    TCP_NODELAY     |    --    |       yes|       yes|        no


My configuration is quite simple : I just echo

CAfile=/path/to/file.pem

verify = 3

fips = no

options = NO_SSLv2

debug = 7

[test]

client = yes

accept = 127.0.0.1:4443

connect = remoteip:443
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