source: branches/samba-3.3.x/source/include/client.h@ 248

Last change on this file since 248 was 206, checked in by Herwig Bauernfeind, 16 years ago

Import Samba 3.3 branch at 3.0.0 level (psmedley's port)
File size: 6.1 KB
Line 
1/*
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
7
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.
12
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.
17
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/>.
20*/
21
22#ifndef _CLIENT_H
23#define _CLIENT_H
24
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. */
35
36/*
37 * These definitions depend on smb.h
38 */
39
40struct print_job_info {
41 uint16 id;
42 uint16 priority;
43 size_t size;
44 fstring user;
45 fstring name;
46 time_t t;
47};
48
49struct 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 */
52
53 char *domain;
54 char *user_name;
55
56 union {
57 struct schannel_auth_struct *schannel_auth;
58 NTLMSSP_STATE *ntlmssp_state;
59 struct kerberos_auth_struct *kerberos_auth;
60 } a_u;
61};
62
63struct rpc_pipe_client {
64 struct rpc_pipe_client *prev, *next;
65
66 enum dcerpc_transport_t transport_type;
67
68 union {
69 struct {
70 struct cli_state *cli;
71 const char *pipe_name;
72 uint16 fnum;
73 } np;
74 struct {
75 int fd;
76 } sock;
77 } trans ;
78
79 struct ndr_syntax_id abstract_syntax;
80 struct ndr_syntax_id transfer_syntax;
81
82 char *desthost;
83 char *srv_name_slash;
84
85 uint16 max_xmit_frag;
86 uint16 max_recv_frag;
87
88 struct cli_pipe_auth_data *auth;
89
90 /* The following is only non-null on a netlogon pipe. */
91 struct dcinfo *dc;
92};
93
94/* Transport encryption state. */
95enum smb_trans_enc_type {
96 SMB_TRANS_ENC_NTLM
97#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
98 , SMB_TRANS_ENC_GSS
99#endif
100};
101
102#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
103struct smb_tran_enc_state_gss {
104 gss_ctx_id_t gss_ctx;
105 gss_cred_id_t creds;
106};
107#endif
108
109struct smb_trans_enc_state {
110 enum smb_trans_enc_type smb_enc_type;
111 uint16 enc_ctx_num;
112 bool enc_on;
113 union {
114 NTLMSSP_STATE *ntlmssp_state;
115#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
116 struct smb_tran_enc_state_gss *gss_state;
117#endif
118 } s;
119};
120
121struct cli_state {
122 int port;
123 int fd;
124 /* Last read or write error. */
125 enum smb_read_errors smb_rw_error;
126 uint16 cnum;
127 uint16 pid;
128 uint16 mid;
129 uint16 vuid;
130 int protocol;
131 int sec_mode;
132 int rap_error;
133 int privileges;
134
135 fstring desthost;
136
137 /* The credentials used to open the cli_state connection. */
138 fstring domain;
139 fstring user_name;
140 struct pwd_info pwd;
141
142 /*
143 * The following strings are the
144 * ones returned by the server if
145 * the protocol > NT1.
146 */
147 fstring server_type;
148 fstring server_os;
149 fstring server_domain;
150
151 fstring share;
152 fstring dev;
153 struct nmb_name called;
154 struct nmb_name calling;
155 fstring full_dest_host_name;
156 struct sockaddr_storage dest_ss;
157
158 DATA_BLOB secblob; /* cryptkey or negTokenInit */
159 uint32 sesskey;
160 int serverzone;
161 uint32 servertime;
162 int readbraw_supported;
163 int writebraw_supported;
164 int timeout; /* in milliseconds. */
165 size_t max_xmit;
166 size_t max_mux;
167 char *outbuf;
168 char *inbuf;
169 unsigned int bufsize;
170 int initialised;
171 int win95;
172 bool is_samba;
173 uint32 capabilities;
174 uint32 posix_capabilities;
175 bool dfsroot;
176
177#if 0
178 TALLOC_CTX *longterm_mem_ctx;
179 TALLOC_CTX *call_mem_ctx;
180#endif
181
182 smb_sign_info sign_info;
183
184 struct smb_trans_enc_state *trans_enc_state; /* Setup if we're encrypting SMB's. */
185
186 /* the session key for this CLI, outside
187 any per-pipe authenticaion */
188 DATA_BLOB user_session_key;
189
190 /* The list of pipes currently open on this connection. */
191 struct rpc_pipe_client *pipe_list;
192
193 bool use_kerberos;
194 bool fallback_after_kerberos;
195 bool use_spnego;
196 bool got_kerberos_mechanism; /* Server supports krb5 in SPNEGO. */
197
198 bool use_oplocks; /* should we use oplocks? */
199 bool use_level_II_oplocks; /* should we use level II oplocks? */
200
201 /* a oplock break request handler */
202 bool (*oplock_handler)(struct cli_state *cli, int fnum, unsigned char level);
203
204 bool force_dos_errors;
205 bool case_sensitive; /* False by default. */
206
207 struct event_context *event_ctx;
208 struct fd_event *fd_event;
209 char *evt_inbuf;
210
211 struct cli_request *outstanding_requests;
212};
213
214struct cli_request {
215 struct cli_request *prev, *next;
216 struct async_req *async;
217
218 struct cli_state *cli;
219
220 struct smb_trans_enc_state *enc_state;
221
222 uint16_t mid;
223
224 char *outbuf;
225 size_t sent;
226 char *inbuf;
227
228 union {
229 struct {
230 off_t ofs;
231 size_t size;
232 ssize_t received;
233 uint8_t *rcvbuf;
234 } read;
235 } data;
236};
237
238typedef struct file_info {
239 struct cli_state *cli;
240 SMB_BIG_UINT size;
241 uint16 mode;
242 uid_t uid;
243 gid_t gid;
244 /* these times are normally kept in GMT */
245 struct timespec mtime_ts;
246 struct timespec atime_ts;
247 struct timespec ctime_ts;
248 char *name;
249 char short_name[13*3]; /* the *3 is to cope with multi-byte */
250} file_info;
251
252#define CLI_FULL_CONNECTION_DONT_SPNEGO 0x0001
253#define CLI_FULL_CONNECTION_USE_KERBEROS 0x0002
254#define CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK 0x0004
255#define CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS 0x0008
256
257#endif /* _CLIENT_H */
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