2 Unix SMB/CIFS implementation.
3 SMB parameters and setup
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Luke Kenneth Casson Leighton 1996-1998
6 Copyright (C) Jeremy Allison 1998
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 /* the client asks for a smaller buffer to save ram and also to get more
26 overlap on the wire. This size gives us a nice read/write size, which
27 will be a multiple of the page size on almost any system */
28 #define CLI_BUFFER_SIZE (0xFFFF)
29 #define CLI_SAMBA_MAX_LARGE_READX_SIZE (127*1024) /* Works for Samba servers */
30 #define CLI_SAMBA_MAX_LARGE_WRITEX_SIZE (127*1024) /* Works for Samba servers */
31 #define CLI_WINDOWS_MAX_LARGE_READX_SIZE ((64*1024)-2) /* Windows servers are broken.... */
32 #define CLI_WINDOWS_MAX_LARGE_WRITEX_SIZE ((64*1024)-2) /* Windows servers are broken.... */
33 #define CLI_SAMBA_MAX_POSIX_LARGE_READX_SIZE (0xFFFF00) /* 24-bit len. */
34 #define CLI_SAMBA_MAX_POSIX_LARGE_WRITEX_SIZE (0xFFFF00) /* 24-bit len. */
37 * These definitions depend on smb.h
40 struct print_job_info {
49 struct cli_pipe_auth_data {
50 enum pipe_auth_type auth_type; /* switch for the union below. Defined in ntdomain.h */
51 enum pipe_auth_level auth_level; /* defined in ntdomain.h */
55 DATA_BLOB user_session_key;
58 struct schannel_auth_struct *schannel_auth;
59 NTLMSSP_STATE *ntlmssp_state;
60 struct kerberos_auth_struct *kerberos_auth;
64 struct rpc_pipe_client {
65 struct rpc_pipe_client *prev, *next;
67 enum dcerpc_transport_t transport_type;
71 struct cli_state *cli;
72 const char *pipe_name;
80 struct ndr_syntax_id abstract_syntax;
81 struct ndr_syntax_id transfer_syntax;
83 NTSTATUS (*dispatch) (struct rpc_pipe_client *cli,
85 const struct ndr_interface_table *table,
86 uint32_t opnum, void *r);
94 struct cli_pipe_auth_data *auth;
96 /* The following is only non-null on a netlogon pipe. */
99 /* Used by internal rpc_pipe_client */
100 pipes_struct *pipes_struct;
103 /* Transport encryption state. */
104 enum smb_trans_enc_type {
106 #if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
111 #if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
112 struct smb_tran_enc_state_gss {
113 gss_ctx_id_t gss_ctx;
118 struct smb_trans_enc_state {
119 enum smb_trans_enc_type smb_enc_type;
123 NTLMSSP_STATE *ntlmssp_state;
124 #if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
125 struct smb_tran_enc_state_gss *gss_state;
133 /* Last read or write error. */
134 enum smb_read_errors smb_rw_error;
146 /* The credentials used to open the cli_state connection. */
152 * The following strings are the
153 * ones returned by the server if
154 * the protocol > NT1.
158 fstring server_domain;
162 struct nmb_name called;
163 struct nmb_name calling;
164 fstring full_dest_host_name;
165 struct sockaddr_storage dest_ss;
167 DATA_BLOB secblob; /* cryptkey or negTokenInit */
171 int readbraw_supported;
172 int writebraw_supported;
173 int timeout; /* in milliseconds. */
178 unsigned int bufsize;
183 uint32 posix_capabilities;
187 TALLOC_CTX *longterm_mem_ctx;
188 TALLOC_CTX *call_mem_ctx;
191 smb_sign_info sign_info;
193 struct smb_trans_enc_state *trans_enc_state; /* Setup if we're encrypting SMB's. */
195 /* the session key for this CLI, outside
196 any per-pipe authenticaion */
197 DATA_BLOB user_session_key;
199 /* The list of pipes currently open on this connection. */
200 struct rpc_pipe_client *pipe_list;
203 bool fallback_after_kerberos;
205 bool got_kerberos_mechanism; /* Server supports krb5 in SPNEGO. */
207 bool use_oplocks; /* should we use oplocks? */
208 bool use_level_II_oplocks; /* should we use level II oplocks? */
210 /* a oplock break request handler */
211 bool (*oplock_handler)(struct cli_state *cli, int fnum, unsigned char level);
213 bool force_dos_errors;
214 bool case_sensitive; /* False by default. */
217 * fd_event is around while we have async requests outstanding or are
218 * building a chained request.
220 * (fd_event!=NULL) &&
221 * ((outstanding_request!=NULL)||(chain_accumulator!=NULL))
223 * should always be true, as well as the reverse: If both cli_request
224 * pointers are NULL, no fd_event is around.
226 struct fd_event *fd_event;
230 * A linked list of requests that are waiting for a reply
232 struct cli_request *outstanding_requests;
235 * The place to build up the list of chained requests. In CIFS, a
236 * single cli_request corresponds to a MID and can serve more than one
239 struct cli_request *chain_accumulator;
242 typedef struct file_info {
243 struct cli_state *cli;
248 /* these times are normally kept in GMT */
249 struct timespec mtime_ts;
250 struct timespec atime_ts;
251 struct timespec ctime_ts;
253 char short_name[13*3]; /* the *3 is to cope with multi-byte */
256 #define CLI_FULL_CONNECTION_DONT_SPNEGO 0x0001
257 #define CLI_FULL_CONNECTION_USE_KERBEROS 0x0002
258 #define CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK 0x0004
259 #define CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS 0x0008
261 #endif /* _CLIENT_H */