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Hash function for plugin features added.

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This commit is contained in:
Tobias Brunner
2012-05-23 17:50:05 +02:00
parent 31c83b973e
commit a9cfd29c10
2 changed files with 68 additions and 0 deletions
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src/libstrongswan/plugins/plugin_feature.c
+53
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@@ -1,4 +1,7 @@
/*
* Copyright (C) 2012 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* Copyright (C) 2011 Martin Willi
* Copyright (C) 2011 revosec AG
*
@@ -48,6 +51,56 @@ ENUM(plugin_feature_names, FEATURE_NONE, FEATURE_CUSTOM,
"CUSTOM",
);
/**
* See header.
*/
u_int32_t plugin_feature_hash(plugin_feature_t *feature)
{
chunk_t data;
switch (feature->type)
{
case FEATURE_NONE:
case FEATURE_RNG:
case FEATURE_NONCE_GEN:
case FEATURE_DATABASE:
case FEATURE_FETCHER:
/* put these special cases in their (type-specific) buckets */
data = chunk_empty;
break;
case FEATURE_CRYPTER:
case FEATURE_AEAD:
case FEATURE_SIGNER:
case FEATURE_HASHER:
case FEATURE_PRF:
case FEATURE_DH:
case FEATURE_PRIVKEY:
case FEATURE_PRIVKEY_GEN:
case FEATURE_PUBKEY:
case FEATURE_PRIVKEY_SIGN:
case FEATURE_PUBKEY_VERIFY:
case FEATURE_PRIVKEY_DECRYPT:
case FEATURE_PUBKEY_ENCRYPT:
case FEATURE_CERT_DECODE:
case FEATURE_CERT_ENCODE:
case FEATURE_EAP_SERVER:
case FEATURE_EAP_PEER:
data = chunk_from_thing(feature->arg);
break;
case FEATURE_CUSTOM:
data = chunk_create(feature->arg.custom,
strlen(feature->arg.custom));
break;
case FEATURE_XAUTH_SERVER:
case FEATURE_XAUTH_PEER:
data = chunk_create(feature->arg.xauth,
strlen(feature->arg.xauth));
break;
}
return chunk_hash_inc(chunk_from_thing(feature->type),
chunk_hash(data));
}
/**
* See header.
*/