const struct tsocket_address *remote_address,
struct auth_session_info **session_info);
+NTSTATUS gensec_magic_check_krb5_oid(struct gensec_security *unused,
+ const DATA_BLOB *blob);
#endif /* __GENSEC_H__ */
#include "includes.h"
#include "auth/gensec/gensec.h"
#include "auth/common_auth.h"
+#include "../lib/util/asn1.h"
NTSTATUS gensec_generate_session_info_pac(TALLOC_CTX *mem_ctx,
struct gensec_security *gensec_security,
}
return NT_STATUS_OK;
}
+
+/*
+ magic check a GSS-API wrapper packet for an Kerberos OID
+*/
+static bool gensec_gssapi_check_oid(const DATA_BLOB *blob, const char *oid)
+{
+ bool ret;
+ struct asn1_data *data = asn1_init(NULL);
+
+ if (!data) return false;
+
+ asn1_load(data, *blob);
+ asn1_start_tag(data, ASN1_APPLICATION(0));
+ asn1_check_OID(data, oid);
+
+ ret = !data->has_error;
+
+ asn1_free(data);
+
+ return ret;
+}
+
+/**
+ * Check if the packet is one for the KRB5 mechansim
+ *
+ * NOTE: This is a helper that can be employed by multiple mechanisms, do
+ * not make assumptions about the private_data
+ *
+ * @param gensec_security GENSEC state, unused
+ * @param in The request, as a DATA_BLOB
+ * @return Error, INVALID_PARAMETER if it's not a packet for us
+ * or NT_STATUS_OK if the packet is ok.
+ */
+
+NTSTATUS gensec_magic_check_krb5_oid(struct gensec_security *unused,
+ const DATA_BLOB *blob)
+{
+ if (gensec_gssapi_check_oid(blob, GENSEC_OID_KERBEROS5)) {
+ return NT_STATUS_OK;
+ } else {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+}
source='gensec.c gensec_start.c gensec_util.c',
pc_files='gensec.pc',
autoproto='gensec_toplevel_proto.h',
- public_deps='tevent-util samba-util errors LIBPACKET auth_system_session samba-modules gensec_util',
+ public_deps='tevent-util samba-util errors LIBPACKET auth_system_session samba-modules gensec_util asn1util',
public_headers='gensec.h',
deps='com_err',
vnum='0.0.1'
}
-/*
- check a GSS-API wrapper packet givin an expected OID
-*/
-bool gensec_gssapi_check_oid(const DATA_BLOB *blob, const char *oid)
-{
- bool ret;
- struct asn1_data *data = asn1_init(NULL);
-
- if (!data) return false;
-
- asn1_load(data, *blob);
- asn1_start_tag(data, ASN1_APPLICATION(0));
- asn1_check_OID(data, oid);
-
- ret = !data->has_error;
-
- asn1_free(data);
-
- return ret;
-}
DATA_BLOB gensec_gssapi_gen_krb5_wrap(TALLOC_CTX *mem_ctx, const DATA_BLOB *ticket, const uint8_t tok_id[2]);
bool gensec_gssapi_parse_krb5_wrap(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, DATA_BLOB *ticket, uint8_t tok_id[2]);
-bool gensec_gssapi_check_oid(const DATA_BLOB *blob, const char *oid);
return NT_STATUS_OK;
}
-/**
- * Check if the packet is one for this mechansim
- *
- * @param gensec_security GENSEC state
- * @param in The request, as a DATA_BLOB
- * @return Error, INVALID_PARAMETER if it's not a packet for us
- * or NT_STATUS_OK if the packet is ok.
- */
-
-static NTSTATUS gensec_gse_magic(struct gensec_security *gensec_security,
- const DATA_BLOB *in)
-{
- if (gensec_gssapi_check_oid(in, GENSEC_OID_KERBEROS5)) {
- return NT_STATUS_OK;
- } else {
- return NT_STATUS_INVALID_PARAMETER;
- }
-}
-
-
/**
* Next state function for the GSE GENSEC mechanism
*
.oid = gensec_gse_krb5_oids,
.client_start = gensec_gse_client_start,
.server_start = gensec_gse_server_start,
- .magic = gensec_gse_magic,
+ .magic = gensec_magic_check_krb5_oid,
.update = gensec_gse_update,
.session_key = gensec_gse_session_key,
.session_info = gensec_gse_session_info,
}
-/**
- * Check if the packet is one for this mechansim
- *
- * @param gensec_security GENSEC state
- * @param in The request, as a DATA_BLOB
- * @return Error, INVALID_PARAMETER if it's not a packet for us
- * or NT_STATUS_OK if the packet is ok.
- */
-
-static NTSTATUS gensec_gssapi_magic(struct gensec_security *gensec_security,
- const DATA_BLOB *in)
-{
- if (gensec_gssapi_check_oid(in, GENSEC_OID_KERBEROS5)) {
- return NT_STATUS_OK;
- } else {
- return NT_STATUS_INVALID_PARAMETER;
- }
-}
-
-
/**
* Next state function for the GSSAPI GENSEC mechanism
*
.oid = gensec_gssapi_spnego_oids,
.client_start = gensec_gssapi_client_start,
.server_start = gensec_gssapi_server_start,
- .magic = gensec_gssapi_magic,
+ .magic = gensec_magic_check_krb5_oid,
.update = gensec_gssapi_update,
.session_key = gensec_gssapi_session_key,
.session_info = gensec_gssapi_session_info,
.oid = gensec_gssapi_krb5_oids,
.client_start = gensec_gssapi_client_start,
.server_start = gensec_gssapi_server_start,
- .magic = gensec_gssapi_magic,
+ .magic = gensec_magic_check_krb5_oid,
.update = gensec_gssapi_update,
.session_key = gensec_gssapi_session_key,
.session_info = gensec_gssapi_session_info,
return gensec_krb5_common_client_start(gensec_security, true);
}
-/**
- * Check if the packet is one for this mechansim
- *
- * @param gensec_security GENSEC state
- * @param in The request, as a DATA_BLOB
- * @return Error, INVALID_PARAMETER if it's not a packet for us
- * or NT_STATUS_OK if the packet is ok.
- */
-
-static NTSTATUS gensec_fake_gssapi_krb5_magic(struct gensec_security *gensec_security,
- const DATA_BLOB *in)
-{
- if (gensec_gssapi_check_oid(in, GENSEC_OID_KERBEROS5)) {
- return NT_STATUS_OK;
- } else {
- return NT_STATUS_INVALID_PARAMETER;
- }
-}
-
-
/**
* Next state function for the Krb5 GENSEC mechanism
*
.client_start = gensec_fake_gssapi_krb5_client_start,
.server_start = gensec_fake_gssapi_krb5_server_start,
.update = gensec_krb5_update,
- .magic = gensec_fake_gssapi_krb5_magic,
+ .magic = gensec_magic_check_krb5_oid,
.session_key = gensec_krb5_session_key,
.session_info = gensec_krb5_session_info,
.have_feature = gensec_krb5_have_feature,