[strongSwan] Failed to load plugins.

[Krishna G, Suhas (Nokia - IN/Bangalore)]

Hi,

I recently upgraded my strongswan version to 5.2.2 from 4.4.0. When I start the charon, I am finding that some plugins are not being loaded. Logs as below:


Apr 16 16:43:06.917122 info CLA-0 charon: 00[DMN] Starting IKE charon daemon (strongSwan 5.2.2, Linux 2.6.34.15-WR4.3.x86_64_fbsa_standard-00155-g7d9184e, x86_64)
Apr 16 16:43:06.920995 info CLA-0 charon: 00[CFG] loading ca certificates from '/etc/ipsec.d/cacerts'
Apr 16 16:43:06.921052 info CLA-0 charon: 00[CFG] loading aa certificates from '/etc/ipsec.d/aacerts'
Apr 16 16:43:06.921052 info CLA-0 charon: 00[CFG] loading ocsp signer certificates from '/etc/ipsec.d/ocspcerts'
Apr 16 16:43:06.921052 info CLA-0 charon: 00[CFG] loading attribute certificates from '/etc/ipsec.d/acerts'
Apr 16 16:43:06.921088 info CLA-0 charon: 00[CFG] loading crls from '/etc/ipsec.d/crls'
Apr 16 16:43:06.921088 info CLA-0 charon: 00[CFG] loading secrets from '/etc/ipsec.secrets'
Apr 16 16:43:06.921128 info CLA-0 charon: 00[CFG]   loaded IKE secret for %vr-0 40.0.0.1 40.0.0.2
Apr 16 16:43:06.921159 info CLA-0 charon: 00[CFG]   loaded IKE secret for %vr-0 50.0.0.1 50.0.0.2
Apr 16 16:43:06.921185 info CLA-0 charon: 00[CFG]   loaded IKE secret for %vr-0 20.0.0.1 20.0.0.2
Apr 16 16:43:06.921311 info CLA-0 charon: 00[LIB] loaded plugins: charon aes des rc2 sha1 sha2 md5 random nonce x509 revocation constraints pubkey pkcs1 pkcs7 pkcs8 pkcs12 pgp dnskey sshkey pem fips-prf gmp xcbc cmac hmac attr kernel-netlink resolve socket-default stroke updown xauth-generic
Apr 16 16:43:06.921346 info CLA-0 charon: 00[LIB] unable to load 7 plugin features (7 due to unmet dependencies)
Apr 16 16:43:06.921379 info CLA-0 charon: 00[JOB] spawning 16 worker threads


However I did not face much issues while creating my vpn and rules. The log shows which plugins are successfully loaded but I want to find out which 7 plugins are failing to load and what features are affected by them. Is there any command to check the same?

PS: I also tried to get more logs by increasing lib log level in ipsec.conf, but I could not find the specific plugins.


Regards
Suhas

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