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authorIngela Anderton Andin <[email protected]>2011-11-14 10:17:59 +0100
committerIngela Anderton Andin <[email protected]>2011-11-15 11:08:13 +0100
commita7b8bf5b8162e9c0473213c77d17c739bdffdc35 (patch)
tree6959a80d87e064f3c3a4e5f0d5b995bec7283a01 /lib
parent45305535f3348d8ea9a637b2236fd079e147971c (diff)
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Replaced ets:next traversal with ets:foldl and throw
ets:next needs an explicit safe_fixtable call to be safe, we rather use ets:foldl and throw to get out of it when we find the correct entry.
Diffstat (limited to 'lib')
-rw-r--r--lib/ssl/src/ssl_certificate.erl33
-rw-r--r--lib/ssl/src/ssl_certificate_db.erl48
-rw-r--r--lib/ssl/src/ssl_handshake.erl18
-rw-r--r--lib/ssl/src/ssl_manager.erl15
4 files changed, 42 insertions, 72 deletions
diff --git a/lib/ssl/src/ssl_certificate.erl b/lib/ssl/src/ssl_certificate.erl
index 422ea6404b..61876e1158 100644
--- a/lib/ssl/src/ssl_certificate.erl
+++ b/lib/ssl/src/ssl_certificate.erl
@@ -66,7 +66,7 @@ trusted_cert_and_path(CertChain, CertDbHandle, CertDbRef) ->
{ok, IssuerId} ->
{other, IssuerId};
{error, issuer_not_found} ->
- case find_issuer(OtpCert, no_candidate, CertDbHandle) of
+ case find_issuer(OtpCert, CertDbHandle) of
{ok, IssuerId} ->
{other, IssuerId};
Other ->
@@ -193,7 +193,7 @@ certificate_chain(OtpCert, _Cert, CertDbHandle, CertsDbRef, Chain) ->
{_, true = SelfSigned} ->
certificate_chain(CertDbHandle, CertsDbRef, Chain, ignore, ignore, SelfSigned);
{{error, issuer_not_found}, SelfSigned} ->
- case find_issuer(OtpCert, no_candidate, CertDbHandle) of
+ case find_issuer(OtpCert, CertDbHandle) of
{ok, {SerialNr, Issuer}} ->
certificate_chain(CertDbHandle, CertsDbRef, Chain,
SerialNr, Issuer, SelfSigned);
@@ -227,17 +227,24 @@ certificate_chain(CertDbHandle, CertsDbRef, Chain, SerialNr, Issuer, _SelfSigned
{ok, lists:reverse(Chain)}
end.
-find_issuer(OtpCert, PrevCandidateKey, CertDbHandle) ->
- case ssl_manager:issuer_candidate(PrevCandidateKey, CertDbHandle) of
- no_more_candidates ->
- {error, issuer_not_found};
- {Key, {_Cert, ErlCertCandidate}} ->
- case public_key:pkix_is_issuer(OtpCert, ErlCertCandidate) of
- true ->
- public_key:pkix_issuer_id(ErlCertCandidate, self);
- false ->
- find_issuer(OtpCert, Key, CertDbHandle)
- end
+find_issuer(OtpCert, CertDbHandle) ->
+ IsIssuerFun = fun({_Key, {_Der, #'OTPCertificate'{} = ErlCertCandidate}}, Acc) ->
+ case public_key:pkix_is_issuer(OtpCert, ErlCertCandidate) of
+ true ->
+ throw(public_key:pkix_issuer_id(ErlCertCandidate, self));
+ false ->
+ Acc
+ end;
+ (_, Acc) ->
+ Acc
+ end,
+
+ try ssl_certificate_db:foldl(IsIssuerFun, issuer_not_found, CertDbHandle) of
+ issuer_not_found ->
+ {error, issuer_not_found}
+ catch
+ {ok, _IssuerId} = Return ->
+ Return
end.
is_valid_extkey_usage(KeyUse, client) ->
diff --git a/lib/ssl/src/ssl_certificate_db.erl b/lib/ssl/src/ssl_certificate_db.erl
index 0560a02110..cb2473576a 100644
--- a/lib/ssl/src/ssl_certificate_db.erl
+++ b/lib/ssl/src/ssl_certificate_db.erl
@@ -26,7 +26,7 @@
-include_lib("public_key/include/public_key.hrl").
-export([create/0, remove/1, add_trusted_certs/3,
- remove_trusted_certs/2, lookup_trusted_cert/4, issuer_candidate/2,
+ remove_trusted_certs/2, lookup_trusted_cert/4, foldl/3,
lookup_cached_certs/2, cache_pem_file/4, uncache_pem_file/2, lookup/2]).
-type time() :: {non_neg_integer(), non_neg_integer(), non_neg_integer()}.
@@ -127,8 +127,6 @@ uncache_pem_file(File, [_CertsDb, _FileToRefDb, PidToFileDb]) ->
exit(Pid, shutdown)
end, Pids).
-
-
%%--------------------------------------------------------------------
-spec remove_trusted_certs(pid(), [db_handle()]) -> term().
@@ -161,37 +159,6 @@ remove_trusted_certs(Pid, [CertsDb, FileToRefDb, PidToFileDb]) ->
end.
%%--------------------------------------------------------------------
--spec issuer_candidate(no_candidate | cert_key() | {file, term()}, term()) ->
- {cert_key(),{der_cert(), #'OTPCertificate'{}}} | no_more_candidates.
-%%
-%% Description: If a certificat does not define its issuer through
-%% the extension 'ce-authorityKeyIdentifier' we can
-%% try to find the issuer in the database over known
-%% certificates.
-%%--------------------------------------------------------------------
-issuer_candidate(no_candidate, Db) ->
- case ets:first(Db) of
- '$end_of_table' ->
- no_more_candidates;
- {file, _} = Key ->
- issuer_candidate(Key, Db);
- Key ->
- [Cert] = lookup(Key, Db),
- {Key, Cert}
- end;
-
-issuer_candidate(PrevCandidateKey, Db) ->
- case ets:next(Db, PrevCandidateKey) of
- '$end_of_table' ->
- no_more_candidates;
- {file, _} = Key ->
- issuer_candidate(Key, Db);
- Key ->
- [Cert] = lookup(Key, Db),
- {Key, Cert}
- end.
-
-%%--------------------------------------------------------------------
-spec lookup(term(), db_handle()) -> term() | undefined.
%%
%% Description: Looks up an element in a certificat <Db>.
@@ -206,7 +173,18 @@ lookup(Key, Db) ->
end,
[Pick(Data) || Data <- Contents]
end.
-
+%%--------------------------------------------------------------------
+-spec foldl(fun(), term(), db_handle()) -> term().
+%%
+%% Description: Calls Fun(Elem, AccIn) on successive elements of the
+%% cache, starting with AccIn == Acc0. Fun/2 must return a new
+%% accumulator which is passed to the next call. The function returns
+%% the final value of the accumulator. Acc0 is returned if the certifate
+%% db is empty.
+%%--------------------------------------------------------------------
+foldl(Fun, Acc0, Cache) ->
+ ets:foldl(Fun, Acc0, Cache).
+
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index f873a6a913..7eb7f44df6 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -1092,18 +1092,12 @@ certificate_authorities(CertDbHandle, CertDbRef) ->
list_to_binary([Enc(Cert) || {_, Cert} <- Authorities]).
certificate_authorities_from_db(CertDbHandle, CertDbRef) ->
- certificate_authorities_from_db(CertDbHandle, CertDbRef, no_candidate, []).
-
-certificate_authorities_from_db(CertDbHandle,CertDbRef, PrevKey, Acc) ->
- case ssl_manager:issuer_candidate(PrevKey, CertDbHandle) of
- no_more_candidates ->
- lists:reverse(Acc);
- {{CertDbRef, _, _} = Key, Cert} ->
- certificate_authorities_from_db(CertDbHandle, CertDbRef, Key, [Cert|Acc]);
- {Key, _Cert} ->
- %% skip certs not from this ssl connection
- certificate_authorities_from_db(CertDbHandle, CertDbRef, Key, Acc)
- end.
+ ConnectionCerts = fun({{Ref, _, _}, Cert}, Acc) when Ref == CertDbRef ->
+ [Cert | Acc];
+ (_, Acc) ->
+ Acc
+ end,
+ ssl_certificate_db:foldl(ConnectionCerts, [], CertDbHandle).
digitally_signed(Hash, #'RSAPrivateKey'{} = Key) ->
public_key:encrypt_private(Hash, Key,
diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl
index dcf310c535..913ed6f3aa 100644
--- a/lib/ssl/src/ssl_manager.erl
+++ b/lib/ssl/src/ssl_manager.erl
@@ -29,8 +29,8 @@
%% Internal application API
-export([start_link/1, start_link_dist/1,
connection_init/2, cache_pem_file/2,
- lookup_trusted_cert/4, issuer_candidate/2, client_session_id/4,
- server_session_id/4,
+ lookup_trusted_cert/4,
+ client_session_id/4, server_session_id/4,
register_session/2, register_session/3, invalidate_session/2,
invalidate_session/3]).
@@ -112,16 +112,7 @@ cache_pem_file(File, DbHandle) ->
%% --------------------------------------------------------------------
lookup_trusted_cert(DbHandle, Ref, SerialNumber, Issuer) ->
ssl_certificate_db:lookup_trusted_cert(DbHandle, Ref, SerialNumber, Issuer).
-%%--------------------------------------------------------------------
--spec issuer_candidate(cert_key() | no_candidate, term()) ->
- {cert_key(),
- {der_cert(),
- #'OTPCertificate'{}}} | no_more_candidates.
-%%
-%% Description: Return next issuer candidate.
-%%--------------------------------------------------------------------
-issuer_candidate(PrevCandidateKey, DbHandle) ->
- ssl_certificate_db:issuer_candidate(PrevCandidateKey, DbHandle).
+
%%--------------------------------------------------------------------
-spec client_session_id(host(), inet:port_number(), #ssl_options{},
der_cert() | undefined) -> session_id().