1 files changed, 92 insertions, 0 deletions
diff --git a/libcli/smb/smb2_negotiate_context.h b/libcli/smb/smb2_negotiate_context.h
new file mode 100644
index 0000000..645fb64
--- /dev/null
+++ b/libcli/smb/smb2_negotiate_context.h
@@ -0,0 +1,92 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Copyright (C) Stefan Metzmacher 2014
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _LIBCLI_SMB_SMB2_NEGOTIATE_BLOB_H_
+#define _LIBCLI_SMB_SMB2_NEGOTIATE_BLOB_H_
+
+struct smb2_negotiate_context {
+	uint16_t type;
+	DATA_BLOB data;
+};
+
+struct smb2_negotiate_contexts {
+	uint16_t num_contexts;
+	struct smb2_negotiate_context *contexts;
+};
+
+/*
+  parse a set of SMB2 negotiate contexts
+*/
+NTSTATUS smb2_negotiate_context_parse(TALLOC_CTX *mem_ctx, const DATA_BLOB buffer,
+				      uint16_t expected_count,
+				      struct smb2_negotiate_contexts *contexts);
+
+/*
+  negotiate a buffer of a set of negotiate contexts
+*/
+NTSTATUS smb2_negotiate_context_push(TALLOC_CTX *mem_ctx, DATA_BLOB *buffer,
+			       const struct smb2_negotiate_contexts contexts);
+
+NTSTATUS smb2_negotiate_context_add(TALLOC_CTX *mem_ctx,
+				    struct smb2_negotiate_contexts *c,
+				    uint16_t type,
+				    const uint8_t *buf,
+				    size_t buflen);
+
+/*
+ * return the first context with the given tag
+ */
+struct smb2_negotiate_context *smb2_negotiate_context_find(const struct smb2_negotiate_contexts *b,
+							   uint16_t type);
+#define WINDOWS_CLIENT_PURE_SMB2_NEGPROT_INITIAL_CREDIT_ASK	31
+
+struct smb3_signing_capabilities {
+#define SMB3_SIGNING_CAPABILITIES_MAX_ALGOS 3
+	uint16_t num_algos;
+	uint16_t algos[SMB3_SIGNING_CAPABILITIES_MAX_ALGOS];
+};
+
+struct smb3_encryption_capabilities {
+#define SMB3_ENCRYTION_CAPABILITIES_MAX_ALGOS 4
+	uint16_t num_algos;
+	uint16_t algos[SMB3_ENCRYTION_CAPABILITIES_MAX_ALGOS];
+};
+
+struct smb311_capabilities {
+	struct smb3_signing_capabilities signing;
+	struct smb3_encryption_capabilities encryption;
+};
+
+const char *smb3_signing_algorithm_name(uint16_t algo);
+const char *smb3_encryption_algorithm_name(uint16_t algo);
+
+struct smb311_capabilities smb311_capabilities_parse(const char *role,
+				const char * const *signing_algos,
+				const char * const *encryption_algos);
+
+NTSTATUS smb311_capabilities_check(const struct smb311_capabilities *c,
+				   const char *debug_prefix,
+				   int debug_lvl,
+				   NTSTATUS error_status,
+				   const char *role,
+				   enum protocol_types protocol,
+				   uint16_t sign_algo,
+				   uint16_t cipher_algo);
+
+#endif /* _LIBCLI_SMB_SMB2_NEGOTIATE_BLOB_H_ */