| 1 | /* | 
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| 2 | Unix SMB/CIFS implementation. | 
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| 3 | SMB parameters and setup | 
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| 4 | Copyright (C) Andrew Tridgell 1992-1998 | 
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| 5 | Copyright (C) Luke Kenneth Casson Leighton 1996-1998 | 
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| 6 | Copyright (C) Jeremy Allison 1998 | 
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| 7 |  | 
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| 8 | This program is free software; you can redistribute it and/or modify | 
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| 9 | it under the terms of the GNU General Public License as published by | 
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| 10 | the Free Software Foundation; either version 3 of the License, or | 
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| 11 | (at your option) any later version. | 
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| 12 |  | 
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| 13 | This program is distributed in the hope that it will be useful, | 
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 16 | GNU General Public License for more details. | 
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| 17 |  | 
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| 18 | You should have received a copy of the GNU General Public License | 
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| 19 | along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
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| 20 | */ | 
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| 21 |  | 
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| 22 | #ifndef _CLIENT_H | 
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| 23 | #define _CLIENT_H | 
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| 24 |  | 
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| 25 | /* the client asks for a smaller buffer to save ram and also to get more | 
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| 26 | overlap on the wire. This size gives us a nice read/write size, which | 
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| 27 | will be a multiple of the page size on almost any system */ | 
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| 28 | #define CLI_BUFFER_SIZE (0xFFFF) | 
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| 29 | #define CLI_SAMBA_MAX_LARGE_READX_SIZE (127*1024) /* Works for Samba servers */ | 
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| 30 | #define CLI_SAMBA_MAX_LARGE_WRITEX_SIZE (127*1024) /* Works for Samba servers */ | 
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| 31 | #define CLI_WINDOWS_MAX_LARGE_READX_SIZE ((64*1024)-2) /* Windows servers are broken.... */ | 
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| 32 | #define CLI_WINDOWS_MAX_LARGE_WRITEX_SIZE ((64*1024)-2) /* Windows servers are broken.... */ | 
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| 33 | #define CLI_SAMBA_MAX_POSIX_LARGE_READX_SIZE (0xFFFF00) /* 24-bit len. */ | 
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| 34 | #define CLI_SAMBA_MAX_POSIX_LARGE_WRITEX_SIZE (0xFFFF00) /* 24-bit len. */ | 
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| 35 |  | 
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| 36 | /* | 
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| 37 | * These definitions depend on smb.h | 
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| 38 | */ | 
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| 39 |  | 
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| 40 | struct print_job_info { | 
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| 41 | uint16 id; | 
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| 42 | uint16 priority; | 
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| 43 | size_t size; | 
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| 44 | fstring user; | 
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| 45 | fstring name; | 
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| 46 | time_t t; | 
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| 47 | }; | 
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| 48 |  | 
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| 49 | struct cli_pipe_auth_data { | 
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| 50 | enum pipe_auth_type auth_type; /* switch for the union below. Defined in ntdomain.h */ | 
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| 51 | enum pipe_auth_level auth_level; /* defined in ntdomain.h */ | 
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| 52 |  | 
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| 53 | char *domain; | 
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| 54 | char *user_name; | 
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| 55 |  | 
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| 56 | union { | 
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| 57 | struct schannel_auth_struct *schannel_auth; | 
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| 58 | NTLMSSP_STATE *ntlmssp_state; | 
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| 59 | struct kerberos_auth_struct *kerberos_auth; | 
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| 60 | } a_u; | 
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| 61 | }; | 
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| 62 |  | 
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| 63 | struct rpc_pipe_client { | 
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| 64 | struct rpc_pipe_client *prev, *next; | 
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| 65 |  | 
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| 66 | enum dcerpc_transport_t transport_type; | 
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| 67 |  | 
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| 68 | union { | 
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| 69 | struct { | 
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| 70 | struct cli_state *cli; | 
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| 71 | const char *pipe_name; | 
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| 72 | uint16 fnum; | 
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| 73 | } np; | 
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| 74 | struct { | 
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| 75 | int fd; | 
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| 76 | } sock; | 
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| 77 | } trans ; | 
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| 78 |  | 
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| 79 | struct ndr_syntax_id abstract_syntax; | 
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| 80 | struct ndr_syntax_id transfer_syntax; | 
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| 81 |  | 
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| 82 | char *desthost; | 
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| 83 | char *srv_name_slash; | 
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| 84 |  | 
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| 85 | uint16 max_xmit_frag; | 
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| 86 | uint16 max_recv_frag; | 
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| 87 |  | 
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| 88 | struct cli_pipe_auth_data *auth; | 
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| 89 |  | 
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| 90 | /* The following is only non-null on a netlogon pipe. */ | 
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| 91 | struct dcinfo *dc; | 
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| 92 | }; | 
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| 93 |  | 
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| 94 | /* Transport encryption state. */ | 
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| 95 | enum smb_trans_enc_type { | 
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| 96 | SMB_TRANS_ENC_NTLM | 
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| 97 | #if defined(HAVE_GSSAPI) && defined(HAVE_KRB5) | 
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| 98 | , SMB_TRANS_ENC_GSS | 
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| 99 | #endif | 
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| 100 | }; | 
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| 101 |  | 
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| 102 | #if defined(HAVE_GSSAPI) && defined(HAVE_KRB5) | 
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| 103 | struct smb_tran_enc_state_gss { | 
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| 104 | gss_ctx_id_t gss_ctx; | 
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| 105 | gss_cred_id_t creds; | 
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| 106 | }; | 
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| 107 | #endif | 
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| 108 |  | 
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| 109 | struct smb_trans_enc_state { | 
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| 110 | enum smb_trans_enc_type smb_enc_type; | 
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| 111 | uint16 enc_ctx_num; | 
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| 112 | bool enc_on; | 
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| 113 | union { | 
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| 114 | NTLMSSP_STATE *ntlmssp_state; | 
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| 115 | #if defined(HAVE_GSSAPI) && defined(HAVE_KRB5) | 
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| 116 | struct smb_tran_enc_state_gss *gss_state; | 
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| 117 | #endif | 
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| 118 | } s; | 
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| 119 | }; | 
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| 120 |  | 
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| 121 | struct cli_state { | 
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| 122 | int port; | 
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| 123 | int fd; | 
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| 124 | /* Last read or write error. */ | 
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| 125 | enum smb_read_errors smb_rw_error; | 
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| 126 | uint16 cnum; | 
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| 127 | uint16 pid; | 
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| 128 | uint16 mid; | 
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| 129 | uint16 vuid; | 
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| 130 | int protocol; | 
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| 131 | int sec_mode; | 
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| 132 | int rap_error; | 
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| 133 | int privileges; | 
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| 134 |  | 
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| 135 | fstring desthost; | 
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| 136 |  | 
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| 137 | /* The credentials used to open the cli_state connection. */ | 
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| 138 | fstring domain; | 
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| 139 | fstring user_name; | 
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| 140 | struct pwd_info pwd; | 
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| 141 |  | 
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| 142 | /* | 
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| 143 | * The following strings are the | 
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| 144 | * ones returned by the server if | 
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| 145 | * the protocol > NT1. | 
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| 146 | */ | 
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| 147 | fstring server_type; | 
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| 148 | fstring server_os; | 
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| 149 | fstring server_domain; | 
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| 150 |  | 
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| 151 | fstring share; | 
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| 152 | fstring dev; | 
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| 153 | struct nmb_name called; | 
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| 154 | struct nmb_name calling; | 
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| 155 | fstring full_dest_host_name; | 
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| 156 | struct sockaddr_storage dest_ss; | 
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| 157 |  | 
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| 158 | DATA_BLOB secblob; /* cryptkey or negTokenInit */ | 
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| 159 | uint32 sesskey; | 
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| 160 | int serverzone; | 
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| 161 | uint32 servertime; | 
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| 162 | int readbraw_supported; | 
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| 163 | int writebraw_supported; | 
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| 164 | int timeout; /* in milliseconds. */ | 
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| 165 | size_t max_xmit; | 
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| 166 | size_t max_mux; | 
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| 167 | char *outbuf; | 
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| 168 | char *inbuf; | 
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| 169 | unsigned int bufsize; | 
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| 170 | int initialised; | 
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| 171 | int win95; | 
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| 172 | bool is_samba; | 
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| 173 | uint32 capabilities; | 
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| 174 | uint32 posix_capabilities; | 
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| 175 | bool dfsroot; | 
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| 176 |  | 
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| 177 | #if 0 | 
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| 178 | TALLOC_CTX *longterm_mem_ctx; | 
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| 179 | TALLOC_CTX *call_mem_ctx; | 
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| 180 | #endif | 
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| 181 |  | 
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| 182 | smb_sign_info sign_info; | 
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| 183 |  | 
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| 184 | struct smb_trans_enc_state *trans_enc_state; /* Setup if we're encrypting SMB's. */ | 
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| 185 |  | 
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| 186 | /* the session key for this CLI, outside | 
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| 187 | any per-pipe authenticaion */ | 
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| 188 | DATA_BLOB user_session_key; | 
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| 189 |  | 
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| 190 | /* The list of pipes currently open on this connection. */ | 
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| 191 | struct rpc_pipe_client *pipe_list; | 
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| 192 |  | 
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| 193 | bool use_kerberos; | 
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| 194 | bool fallback_after_kerberos; | 
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| 195 | bool use_spnego; | 
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| 196 | bool got_kerberos_mechanism; /* Server supports krb5 in SPNEGO. */ | 
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| 197 |  | 
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| 198 | bool use_oplocks; /* should we use oplocks? */ | 
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| 199 | bool use_level_II_oplocks; /* should we use level II oplocks? */ | 
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| 200 |  | 
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| 201 | /* a oplock break request handler */ | 
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| 202 | bool (*oplock_handler)(struct cli_state *cli, int fnum, unsigned char level); | 
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| 203 |  | 
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| 204 | bool force_dos_errors; | 
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| 205 | bool case_sensitive; /* False by default. */ | 
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| 206 |  | 
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| 207 | struct event_context *event_ctx; | 
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| 208 | struct fd_event *fd_event; | 
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| 209 | char *evt_inbuf; | 
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| 210 |  | 
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| 211 | struct cli_request *outstanding_requests; | 
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| 212 | }; | 
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| 213 |  | 
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| 214 | struct cli_request { | 
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| 215 | struct cli_request *prev, *next; | 
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| 216 | struct async_req *async; | 
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| 217 |  | 
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| 218 | struct cli_state *cli; | 
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| 219 |  | 
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| 220 | struct smb_trans_enc_state *enc_state; | 
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| 221 |  | 
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| 222 | uint16_t mid; | 
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| 223 |  | 
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| 224 | char *outbuf; | 
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| 225 | size_t sent; | 
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| 226 | char *inbuf; | 
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| 227 |  | 
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| 228 | union { | 
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| 229 | struct { | 
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| 230 | off_t ofs; | 
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| 231 | size_t size; | 
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| 232 | ssize_t received; | 
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| 233 | uint8_t *rcvbuf; | 
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| 234 | } read; | 
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| 235 | } data; | 
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| 236 | }; | 
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| 237 |  | 
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| 238 | typedef struct file_info { | 
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| 239 | struct cli_state *cli; | 
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| 240 | SMB_BIG_UINT size; | 
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| 241 | uint16 mode; | 
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| 242 | uid_t uid; | 
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| 243 | gid_t gid; | 
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| 244 | /* these times are normally kept in GMT */ | 
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| 245 | struct timespec mtime_ts; | 
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| 246 | struct timespec atime_ts; | 
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| 247 | struct timespec ctime_ts; | 
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| 248 | char *name; | 
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| 249 | char short_name[13*3]; /* the *3 is to cope with multi-byte */ | 
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| 250 | } file_info; | 
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| 251 |  | 
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| 252 | #define CLI_FULL_CONNECTION_DONT_SPNEGO 0x0001 | 
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| 253 | #define CLI_FULL_CONNECTION_USE_KERBEROS 0x0002 | 
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| 254 | #define CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK 0x0004 | 
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| 255 | #define CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS 0x0008 | 
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| 256 |  | 
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| 257 | #endif /* _CLIENT_H */ | 
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