[strongSwan] "no socket implementation registered" error with Strongswan VPN Client

[ip flow]

Hello All,

I'm using the StrongSwan VPN Client on Android for establishing an IPSec
tunnel in my solution.
However, I want to do some changes in the native code of libandroidbridge
and hence I need to rebuild the libraries (.sos) required for the VPN
Client.
When I built the Strongswan's native libraries with Android's ICS source
code, I'm getting some errors while running on Non-rooted and Samsung
Galaxy S3 devices.

 Following is an snippet of the error logs:

01-07 11:29:26.861: D/SM_SS_Integration(4539):
******************************
*******************
01-07 11:29:26.861: D/SM_SS_Integration(4539): ************** VPN Service
connecting !!
01-07 11:29:26.861: D/CharonVpnService(4539): creating a new default builder
01-07 11:29:26.871: I/charon(4539): 00[LIB] plugin 'pkcs8' failed to load:
Cannot load library: load_library[1092]: Library
'/ipsec/libstrongswan-pkcs8.so' not found
01-07 11:29:26.881: I/charon(4539): 00[NET] unable to bind socket:
Permission denied
01-07 11:29:26.881: I/charon(4539): 00[NET] could not open IPv6 socket,
IPv6 disabled
01-07 11:29:26.881: I/charon(4539): 00[NET] unable to bind socket:
Permission denied
01-07 11:29:26.881: I/charon(4539): 00[NET] could not open IPv4 socket,
IPv4 disabled
01-07 11:29:26.881: I/charon(4539): 00[NET] could not create any sockets
01-07 11:29:26.881: I/charon(4539): 00[CFG] failed to get Android control
socket
01-07 11:29:26.881: I/charon(4539): 00[CFG] could not bind stroke socket:
Permission denied
01-07 11:29:26.891: I/charon(4539): 00[DMN] loaded plugins: androidbridge
charon android-log openssl fips-prf random nonce pubkey pkcs1 pem xcbc hmac
kernel-netlink socket-default android stroke eap-identity eap-mschapv2
eap-md5 eap-gtc
01-07 11:29:26.891: I/charon(4539): 00[JOB] spawning 16 worker threads
01-07 11:29:26.891: I/CharonVpnService(4539): charon started
01-07 11:29:26.891: I/charon(4539): 11[NET] no socket implementation
registered, receiving failed
01-07 11:29:27.722: I/charon(4539): 11[IKE] initiating IKE_SA android[1] to
50.56.28.47
01-07 11:29:27.972: I/charon(4539): 11[ENC] generating IKE_SA_INIT request
0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) ]
01-07 11:29:27.972: I/charon(4539): 11[NET] sending packet: from
192.168.3.101[0] to 50.56.28.47[500]
01-07 11:29:27.972: I/charon(4539): 12[NET] no socket implementation
registered, sending failed


Is this some kind of known issue or I'm missing something while building
the libraries?
The same libraries works fine with Strongswan VPN Client on Galaxy Nexus(
Rooted) , but doesn't works on non-rooted devices and Samsung Galaxy S3.
I'm using strongswan-strongswan-014d007 src code to build the libraries.

Looking fwd for a reply on this.

Thanks
Deepika
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