1 | /*
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2 | Unix SMB/Netbios implementation.
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3 | SMB client library implementation
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4 | Copyright (C) Andrew Tridgell 1998
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5 | Copyright (C) Richard Sharpe 2000, 2002
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6 | Copyright (C) John Terpstra 2000
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7 | Copyright (C) Tom Jansen (Ninja ISD) 2002
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8 | Copyright (C) Derrell Lipman 2003-2008
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9 | Copyright (C) Jeremy Allison 2007, 2008
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10 |
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11 | This program is free software; you can redistribute it and/or modify
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12 | it under the terms of the GNU General Public License as published by
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13 | the Free Software Foundation; either version 3 of the License, or
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14 | (at your option) any later version.
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15 |
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16 | This program is distributed in the hope that it will be useful,
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17 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | GNU General Public License for more details.
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20 |
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21 | You should have received a copy of the GNU General Public License
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22 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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23 | */
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24 |
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25 | #include "includes.h"
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26 |
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27 |
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28 | #ifndef _LIBSMB_INTERNAL_H_
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29 | #define _LIBSMB_INTERNAL_H_
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30 |
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31 | #include "../include/libsmbclient.h"
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32 | #include "libsmb/clirap.h"
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33 |
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34 | #define SMBC_MAX_NAME 1023
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35 | #define SMBC_FILE_MODE (S_IFREG | 0444)
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36 | #define SMBC_DIR_MODE (S_IFDIR | 0555)
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37 |
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38 | /*
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39 | * DOS Attribute values (used internally)
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40 | */
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41 | typedef struct DOS_ATTR_DESC {
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42 | int mode;
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43 | SMB_OFF_T size;
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44 | time_t create_time;
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45 | time_t access_time;
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46 | time_t write_time;
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47 | time_t change_time;
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48 | SMB_INO_T inode;
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49 | } DOS_ATTR_DESC;
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50 |
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51 |
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52 | /*
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53 | * Internal flags for extended attributes
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54 | */
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55 |
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56 | /* internal mode values */
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57 | #define SMBC_XATTR_MODE_ADD 1
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58 | #define SMBC_XATTR_MODE_REMOVE 2
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59 | #define SMBC_XATTR_MODE_REMOVE_ALL 3
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60 | #define SMBC_XATTR_MODE_SET 4
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61 | #define SMBC_XATTR_MODE_CHOWN 5
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62 | #define SMBC_XATTR_MODE_CHGRP 6
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63 |
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64 | #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
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65 |
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66 | /*We should test for this in configure ... */
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67 | #ifndef ENOTSUP
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68 | #define ENOTSUP EOPNOTSUPP
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69 | #endif
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70 |
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71 |
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72 | struct _SMBCSRV {
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73 | struct cli_state *cli;
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74 | dev_t dev;
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75 | bool no_pathinfo;
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76 | bool no_pathinfo2;
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77 | bool no_nt_session;
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78 | struct policy_handle pol;
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79 |
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80 | SMBCSRV *next, *prev;
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81 |
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82 | };
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83 |
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84 | /*
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85 | * Keep directory entries in a list
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86 | */
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87 | struct smbc_dir_list {
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88 | struct smbc_dir_list *next;
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89 | struct smbc_dirent *dirent;
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90 | };
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91 |
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92 |
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93 | /*
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94 | * Structure for open file management
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95 | */
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96 | struct _SMBCFILE {
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97 | int cli_fd;
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98 | char *fname;
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99 | SMB_OFF_T offset;
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100 | struct _SMBCSRV *srv;
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101 | bool file;
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102 | struct smbc_dir_list *dir_list, *dir_end, *dir_next;
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103 | int dir_type, dir_error;
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104 |
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105 | SMBCFILE *next, *prev;
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106 | };
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107 |
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108 |
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109 | /*
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110 | * Context structure
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111 | */
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112 | struct SMBC_internal_data {
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113 |
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114 | /* True when this handle is initialized */
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115 | bool initialized;
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116 |
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117 | /* dirent pointer location */
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118 | struct smbc_dirent dirent;
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119 | /*
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120 | * Leave room for any urlencoded filename and the comment field.
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121 | *
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122 | * We use (NAME_MAX * 3) plus whatever the max length of a comment is,
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123 | * plus a couple of null terminators (one after the filename,
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124 | * one after the comment).
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125 | *
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126 | * According to <linux/limits.h>, NAME_MAX is 255. Is it longer
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127 | * anyplace else?
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128 | */
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129 | char _dirent_name[1024];
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130 |
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131 | /*
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132 | * server connection list
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133 | */
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134 | SMBCSRV * servers;
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135 |
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136 | /*
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137 | * open file/dir list
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138 | */
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139 | SMBCFILE * files;
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140 |
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141 | /*
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142 | * Support "Create Time" in get/set with the *xattr() functions, if
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143 | * true. This replaces the dos attribute strings C_TIME, A_TIME and
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144 | * M_TIME with CHANGE_TIME, ACCESS_TIME and WRITE_TIME, and adds
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145 | * CREATE_TIME. Default is FALSE, i.e. to use the old-style shorter
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146 | * names and to not support CREATE time, for backward compatibility.
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147 | */
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148 | bool full_time_names;
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149 |
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150 | /*
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151 | * The share mode of a file being opened. To match POSIX semantics
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152 | * (and maintain backward compatibility), DENY_NONE is the default.
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153 | */
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154 | smbc_share_mode share_mode;
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155 |
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156 | /*
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157 | * Authentication function which includes the context. This will be
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158 | * used if set; otherwise context->callbacks.auth_fn() will be used.
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159 | */
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160 | smbc_get_auth_data_with_context_fn auth_fn_with_context;
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161 |
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162 | /*
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163 | * An opaque (to this library) user data handle which can be set
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164 | * and retrieved with smbc_option_set() and smbc_option_get().
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165 | */
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166 | void * user_data;
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167 |
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168 | /*
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169 | * Should we attempt UNIX smb encryption ?
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170 | * Set to 0 if we should never attempt, set to 1 if
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171 | * encryption requested, set to 2 if encryption required.
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172 | */
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173 | smbc_smb_encrypt_level smb_encryption_level;
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174 |
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175 | /*
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176 | * Should we request case sensitivity of file names?
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177 | */
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178 | bool case_sensitive;
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179 |
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180 | /*
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181 | * Auth info needed for DFS traversal.
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182 | */
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183 |
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184 | struct user_auth_info *auth_info;
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185 |
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186 | struct smbc_server_cache * server_cache;
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187 |
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188 | /* POSIX emulation functions */
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189 | struct
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190 | {
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191 | #if 0 /* Left in libsmbclient.h for backward compatibility */
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192 | smbc_open_fn open_fn;
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193 | smbc_creat_fn creat_fn;
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194 | smbc_read_fn read_fn;
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195 | smbc_write_fn write_fn;
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196 | smbc_unlink_fn unlink_fn;
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197 | smbc_rename_fn rename_fn;
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198 | smbc_lseek_fn lseek_fn;
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199 | smbc_stat_fn stat_fn;
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200 | smbc_fstat_fn fstat_fn;
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201 | #endif
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202 | smbc_statvfs_fn statvfs_fn;
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203 | smbc_fstatvfs_fn fstatvfs_fn;
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204 | smbc_ftruncate_fn ftruncate_fn;
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205 | #if 0 /* Left in libsmbclient.h for backward compatibility */
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206 | smbc_close_fn close_fn;
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207 | smbc_opendir_fn opendir_fn;
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208 | smbc_closedir_fn closedir_fn;
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209 | smbc_readdir_fn readdir_fn;
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210 | smbc_getdents_fn getdents_fn;
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211 | smbc_mkdir_fn mkdir_fn;
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212 | smbc_rmdir_fn rmdir_fn;
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213 | smbc_telldir_fn telldir_fn;
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214 | smbc_lseekdir_fn lseekdir_fn;
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215 | smbc_fstatdir_fn fstatdir_fn;
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216 | smbc_chmod_fn chmod_fn;
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217 | smbc_utimes_fn utimes_fn;
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218 | smbc_setxattr_fn setxattr_fn;
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219 | smbc_getxattr_fn getxattr_fn;
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220 | smbc_removexattr_fn removexattr_fn;
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221 | smbc_listxattr_fn listxattr_fn;
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222 | #endif
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223 | } posix_emu;
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224 |
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225 | #if 0 /* Left in libsmbclient.h for backward compatibility */
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226 | /* Printing-related functions */
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227 | struct
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228 | {
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229 | smbc_print_file_fn print_file_fn;
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230 | smbc_open_print_job_fn open_print_job_fn;
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231 | smbc_list_print_jobs_fn list_print_jobs_fn;
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232 | smbc_unlink_print_job_fn unlink_print_job_fn;
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233 | } printing;
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234 | #endif
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235 |
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236 | #if 0 /* None available yet */
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237 | /* SMB high-level functions */
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238 | struct
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239 | {
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240 | } smb;
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241 |
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242 | #endif
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243 | };
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244 |
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245 | /* Functions in libsmb_cache.c */
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246 | int
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247 | SMBC_add_cached_server(SMBCCTX * context,
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248 | SMBCSRV * newsrv,
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249 | const char * server,
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250 | const char * share,
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251 | const char * workgroup,
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252 | const char * username);
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253 |
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254 | SMBCSRV *
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255 | SMBC_get_cached_server(SMBCCTX * context,
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256 | const char * server,
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257 | const char * share,
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258 | const char * workgroup,
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259 | const char * user);
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260 |
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261 | int
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262 | SMBC_remove_cached_server(SMBCCTX * context,
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263 | SMBCSRV * server);
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264 |
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265 | int
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266 | SMBC_purge_cached_servers(SMBCCTX * context);
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267 |
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268 |
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269 | /* Functions in libsmb_dir.c */
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270 | int
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271 | SMBC_check_options(char *server,
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272 | char *share,
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273 | char *path,
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274 | char *options);
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275 |
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276 | SMBCFILE *
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277 | SMBC_opendir_ctx(SMBCCTX *context,
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278 | const char *fname);
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279 |
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280 | int
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281 | SMBC_closedir_ctx(SMBCCTX *context,
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282 | SMBCFILE *dir);
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283 |
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284 | struct smbc_dirent *
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285 | SMBC_readdir_ctx(SMBCCTX *context,
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286 | SMBCFILE *dir);
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287 |
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288 | int
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289 | SMBC_getdents_ctx(SMBCCTX *context,
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290 | SMBCFILE *dir,
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291 | struct smbc_dirent *dirp,
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292 | int count);
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293 |
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294 | int
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295 | SMBC_mkdir_ctx(SMBCCTX *context,
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296 | const char *fname,
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297 | mode_t mode);
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298 |
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299 | int
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300 | SMBC_rmdir_ctx(SMBCCTX *context,
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301 | const char *fname);
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302 |
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303 | off_t
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304 | SMBC_telldir_ctx(SMBCCTX *context,
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305 | SMBCFILE *dir);
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306 |
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307 | int
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308 | SMBC_lseekdir_ctx(SMBCCTX *context,
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309 | SMBCFILE *dir,
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310 | off_t offset);
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311 |
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312 | int
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313 | SMBC_fstatdir_ctx(SMBCCTX *context,
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314 | SMBCFILE *dir,
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315 | struct stat *st);
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316 |
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317 | int
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318 | SMBC_chmod_ctx(SMBCCTX *context,
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319 | const char *fname,
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320 | mode_t newmode);
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321 |
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322 | int
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323 | SMBC_utimes_ctx(SMBCCTX *context,
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324 | const char *fname,
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325 | struct timeval *tbuf);
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326 |
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327 | int
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328 | SMBC_unlink_ctx(SMBCCTX *context,
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329 | const char *fname);
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330 |
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331 | int
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332 | SMBC_rename_ctx(SMBCCTX *ocontext,
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333 | const char *oname,
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334 | SMBCCTX *ncontext,
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335 | const char *nname);
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336 |
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337 |
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338 | /* Functions in libsmb_file.c */
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339 | SMBCFILE *
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340 | SMBC_open_ctx(SMBCCTX *context,
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341 | const char *fname,
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342 | int flags,
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343 | mode_t mode);
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344 |
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345 | SMBCFILE *
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346 | SMBC_creat_ctx(SMBCCTX *context,
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347 | const char *path,
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348 | mode_t mode);
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349 |
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350 | ssize_t
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351 | SMBC_read_ctx(SMBCCTX *context,
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352 | SMBCFILE *file,
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353 | void *buf,
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354 | size_t count);
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355 |
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356 | ssize_t
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357 | SMBC_write_ctx(SMBCCTX *context,
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358 | SMBCFILE *file,
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359 | const void *buf,
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360 | size_t count);
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361 |
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362 | int
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363 | SMBC_close_ctx(SMBCCTX *context,
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364 | SMBCFILE *file);
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365 |
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366 | bool
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367 | SMBC_getatr(SMBCCTX * context,
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368 | SMBCSRV *srv,
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369 | char *path,
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370 | uint16 *mode,
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371 | SMB_OFF_T *size,
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372 | struct timespec *create_time_ts,
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373 | struct timespec *access_time_ts,
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374 | struct timespec *write_time_ts,
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375 | struct timespec *change_time_ts,
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376 | SMB_INO_T *ino);
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377 |
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378 | bool
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379 | SMBC_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
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380 | time_t create_time,
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381 | time_t access_time,
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382 | time_t write_time,
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383 | time_t change_time,
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384 | uint16 mode);
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385 |
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386 | off_t
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387 | SMBC_lseek_ctx(SMBCCTX *context,
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388 | SMBCFILE *file,
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389 | off_t offset,
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390 | int whence);
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391 |
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392 | int
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393 | SMBC_ftruncate_ctx(SMBCCTX *context,
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394 | SMBCFILE *file,
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395 | off_t length);
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396 |
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397 |
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398 | /* Functions in libsmb_misc.c */
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399 | int
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400 | SMBC_dlist_contains(SMBCFILE * list, SMBCFILE *p);
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401 |
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402 | int
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403 | SMBC_errno(SMBCCTX *context,
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404 | struct cli_state *c);
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405 |
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406 |
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407 | /* Functions in libsmb_path.c */
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408 | int
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409 | SMBC_parse_path(TALLOC_CTX *ctx,
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410 | SMBCCTX *context,
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411 | const char *fname,
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412 | char **pp_workgroup,
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413 | char **pp_server,
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414 | char **pp_share,
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415 | char **pp_path,
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416 | char **pp_user,
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417 | char **pp_password,
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418 | char **pp_options);
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419 |
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420 |
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421 | /* Functions in libsmb_printjob.c */
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422 | SMBCFILE *
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423 | SMBC_open_print_job_ctx(SMBCCTX *context,
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424 | const char *fname);
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425 |
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426 | int
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427 | SMBC_print_file_ctx(SMBCCTX *c_file,
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428 | const char *fname,
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429 | SMBCCTX *c_print,
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430 | const char *printq);
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431 |
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432 | int
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433 | SMBC_list_print_jobs_ctx(SMBCCTX *context,
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434 | const char *fname,
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435 | smbc_list_print_job_fn fn);
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436 |
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437 | int
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438 | SMBC_unlink_print_job_ctx(SMBCCTX *context,
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439 | const char *fname,
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440 | int id);
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441 |
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442 |
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443 | /* Functions in libsmb_server.c */
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444 | int
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445 | SMBC_check_server(SMBCCTX * context,
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446 | SMBCSRV * server);
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447 |
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448 | int
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449 | SMBC_remove_unused_server(SMBCCTX * context,
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450 | SMBCSRV * srv);
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451 |
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452 | void
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453 | SMBC_call_auth_fn(TALLOC_CTX *ctx,
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454 | SMBCCTX *context,
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455 | const char *server,
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456 | const char *share,
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457 | char **pp_workgroup,
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458 | char **pp_username,
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459 | char **pp_password);
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460 |
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461 | void
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462 | SMBC_get_auth_data(const char *server, const char *share,
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463 | char *workgroup_buf, int workgroup_buf_len,
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464 | char *username_buf, int username_buf_len,
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465 | char *password_buf, int password_buf_len);
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466 |
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467 | SMBCSRV *
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468 | SMBC_find_server(TALLOC_CTX *ctx,
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469 | SMBCCTX *context,
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470 | const char *server,
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471 | const char *share,
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472 | char **pp_workgroup,
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473 | char **pp_username,
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474 | char **pp_password);
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475 |
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476 | SMBCSRV *
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477 | SMBC_server(TALLOC_CTX *ctx,
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478 | SMBCCTX *context,
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479 | bool connect_if_not_found,
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480 | const char *server,
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481 | const char *share,
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482 | char **pp_workgroup,
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483 | char **pp_username,
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484 | char **pp_password);
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485 |
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486 | SMBCSRV *
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487 | SMBC_attr_server(TALLOC_CTX *ctx,
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488 | SMBCCTX *context,
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489 | const char *server,
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490 | const char *share,
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491 | char **pp_workgroup,
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492 | char **pp_username,
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493 | char **pp_password);
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494 |
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495 |
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496 | /* Functions in libsmb_stat.c */
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497 | int
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498 | SMBC_stat_ctx(SMBCCTX *context,
|
---|
499 | const char *fname,
|
---|
500 | struct stat *st);
|
---|
501 |
|
---|
502 | int
|
---|
503 | SMBC_fstat_ctx(SMBCCTX *context,
|
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504 | SMBCFILE *file,
|
---|
505 | struct stat *st);
|
---|
506 |
|
---|
507 |
|
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508 | int
|
---|
509 | SMBC_statvfs_ctx(SMBCCTX *context,
|
---|
510 | char *path,
|
---|
511 | struct statvfs *st);
|
---|
512 |
|
---|
513 |
|
---|
514 | int
|
---|
515 | SMBC_fstatvfs_ctx(SMBCCTX *context,
|
---|
516 | SMBCFILE *file,
|
---|
517 | struct statvfs *st);
|
---|
518 |
|
---|
519 |
|
---|
520 | /* Functions in libsmb_xattr.c */
|
---|
521 | int
|
---|
522 | SMBC_setxattr_ctx(SMBCCTX *context,
|
---|
523 | const char *fname,
|
---|
524 | const char *name,
|
---|
525 | const void *value,
|
---|
526 | size_t size,
|
---|
527 | int flags);
|
---|
528 |
|
---|
529 | int
|
---|
530 | SMBC_getxattr_ctx(SMBCCTX *context,
|
---|
531 | const char *fname,
|
---|
532 | const char *name,
|
---|
533 | const void *value,
|
---|
534 | size_t size);
|
---|
535 |
|
---|
536 | int
|
---|
537 | SMBC_removexattr_ctx(SMBCCTX *context,
|
---|
538 | const char *fname,
|
---|
539 | const char *name);
|
---|
540 |
|
---|
541 | int
|
---|
542 | SMBC_listxattr_ctx(SMBCCTX *context,
|
---|
543 | const char *fname,
|
---|
544 | char *list,
|
---|
545 | size_t size);
|
---|
546 |
|
---|
547 |
|
---|
548 | #endif
|
---|