added compatibility names (pluto) for sha2 algorithms (sha2_256, ...)

diff --git a/src/charon/config/proposal.c b/src/charon/config/proposal.c
index 98ba4d5..cff9859 100644 (file)
--- a/src/charon/config/proposal.c
+++ b/src/charon/config/proposal.c
@@ -410,6 +410,10 @@ static proposal_t *clone_(private_proposal_t *this)
        return &clone->public;
 }
 
+/**
+ * add a algorithm identified by a string to the proposal.
+ * TODO: we could use gperf here.
+ */
 static status_t add_string_algo(private_proposal_t *this, chunk_t alg)
 {
        if (strncmp(alg.ptr, "null", alg.len) == 0)
@@ -454,8 +458,9 @@ static status_t add_string_algo(private_proposal_t *this, chunk_t alg)
                {
                        add_algorithm(this, PSEUDO_RANDOM_FUNCTION, PRF_HMAC_SHA1, 0);
                }
-       }
-       else if (strncmp(alg.ptr, "sha256", alg.len) == 0)
+       }  
+       else if (strncmp(alg.ptr, "sha256", alg.len) == 0 ||
+                        strncmp(alg.ptr, "sha2_256", alg.len) == 0)
        {
                add_algorithm(this, INTEGRITY_ALGORITHM, AUTH_HMAC_SHA2_256_128, 0);
                if (this->protocol == PROTO_IKE)
@@ -463,7 +468,8 @@ static status_t add_string_algo(private_proposal_t *this, chunk_t alg)
                        add_algorithm(this, PSEUDO_RANDOM_FUNCTION, PRF_HMAC_SHA2_256, 0);
                }
        }
-       else if (strncmp(alg.ptr, "sha384", alg.len) == 0)
+       else if (strncmp(alg.ptr, "sha384", alg.len) == 0 ||
+                        strncmp(alg.ptr, "sha2_384", alg.len) == 0)
        {
                add_algorithm(this, INTEGRITY_ALGORITHM, AUTH_HMAC_SHA2_384_192, 0);
                if (this->protocol == PROTO_IKE)
@@ -471,7 +477,8 @@ static status_t add_string_algo(private_proposal_t *this, chunk_t alg)
                        add_algorithm(this, PSEUDO_RANDOM_FUNCTION, PRF_HMAC_SHA2_384, 0);
                }
        }
-       else if (strncmp(alg.ptr, "sha512", alg.len) == 0)
+       else if (strncmp(alg.ptr, "sha512", alg.len) == 0 ||
+                        strncmp(alg.ptr, "sha2_512", alg.len) == 0)
        {
                add_algorithm(this, INTEGRITY_ALGORITHM, AUTH_HMAC_SHA2_512_256, 0);
                if (this->protocol == PROTO_IKE)