| 1 | /*
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| 2 | * Catia VFS module
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| 3 | *
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| 4 | * Implement a fixed mapping of forbidden NT characters in filenames that are
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| 5 | * used a lot by the CAD package Catia.
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| 6 | *
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| 7 | * Yes, this a BAD BAD UGLY INCOMPLETE hack, but it helps quite some people
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| 8 | * out there. Catia V4 on AIX uses characters like "<*$ a *lot*, all forbidden
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| 9 | * under Windows...
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| 10 | *
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| 11 | * Copyright (C) Volker Lendecke, 2005
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| 12 | *
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| 13 | * This program is free software; you can redistribute it and/or modify
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| 14 | * it under the terms of the GNU General Public License as published by
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| 15 | * the Free Software Foundation; either version 2 of the License, or
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| 16 | * (at your option) any later version.
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| 17 | *
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| 18 | * This program is distributed in the hope that it will be useful,
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| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 21 | * GNU General Public License for more details.
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| 22 | *
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| 23 | * You should have received a copy of the GNU General Public License
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| 24 | * along with this program; if not, write to the Free Software
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| 25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 26 | */
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| 27 |
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| 28 |
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| 29 | #include "includes.h"
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| 30 |
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| 31 | static void catia_string_replace(char *s, unsigned char oldc, unsigned
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| 32 | char newc)
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| 33 | {
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| 34 | static smb_ucs2_t tmpbuf[sizeof(pstring)];
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| 35 | smb_ucs2_t *ptr = tmpbuf;
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| 36 | smb_ucs2_t old = oldc;
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| 37 |
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| 38 | push_ucs2(NULL, tmpbuf, s, sizeof(tmpbuf), STR_TERMINATE);
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| 39 |
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| 40 | for (;*ptr;ptr++)
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| 41 | if (*ptr==old) *ptr=newc;
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| 42 |
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| 43 | pull_ucs2(NULL, s, tmpbuf, -1, sizeof(tmpbuf), STR_TERMINATE);
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| 44 | }
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| 45 |
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| 46 | static void from_unix(char *s)
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| 47 | {
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| 48 | catia_string_replace(s, '\x22', '\xa8');
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| 49 | catia_string_replace(s, '\x2a', '\xa4');
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| 50 | catia_string_replace(s, '\x2f', '\xf8');
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| 51 | catia_string_replace(s, '\x3a', '\xf7');
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| 52 | catia_string_replace(s, '\x3c', '\xab');
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| 53 | catia_string_replace(s, '\x3e', '\xbb');
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| 54 | catia_string_replace(s, '\x3f', '\xbf');
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| 55 | catia_string_replace(s, '\x5c', '\xff');
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| 56 | catia_string_replace(s, '\x7c', '\xa6');
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| 57 | catia_string_replace(s, ' ', '\xb1');
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| 58 | }
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| 59 |
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| 60 | static void to_unix(char *s)
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| 61 | {
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| 62 | catia_string_replace(s, '\xa8', '\x22');
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| 63 | catia_string_replace(s, '\xa4', '\x2a');
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| 64 | catia_string_replace(s, '\xf8', '\x2f');
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| 65 | catia_string_replace(s, '\xf7', '\x3a');
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| 66 | catia_string_replace(s, '\xab', '\x3c');
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| 67 | catia_string_replace(s, '\xbb', '\x3e');
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| 68 | catia_string_replace(s, '\xbf', '\x3f');
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| 69 | catia_string_replace(s, '\xff', '\x5c');
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| 70 | catia_string_replace(s, '\xa6', '\x7c');
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| 71 | catia_string_replace(s, '\xb1', ' ');
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| 72 | }
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| 73 |
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| 74 | static SMB_STRUCT_DIR *catia_opendir(vfs_handle_struct *handle,
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| 75 | const char *fname, const char *mask, uint32 attr)
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| 76 | {
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| 77 | pstring name;
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| 78 | pstrcpy(name, fname);
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| 79 | to_unix(name);
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| 80 |
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| 81 | return SMB_VFS_NEXT_OPENDIR(handle, name, mask, attr);
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| 82 | }
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| 83 |
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| 84 | static SMB_STRUCT_DIRENT *catia_readdir(vfs_handle_struct *handle,
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| 85 | SMB_STRUCT_DIR *dirp)
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| 86 | {
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| 87 | SMB_STRUCT_DIRENT *result = SMB_VFS_NEXT_READDIR(handle, dirp);
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| 88 |
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| 89 | if (result == NULL)
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| 90 | return result;
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| 91 |
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| 92 | from_unix(result->d_name);
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| 93 | return result;
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| 94 | }
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| 95 |
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| 96 | static int catia_open(vfs_handle_struct *handle,
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| 97 | const char *fname, files_struct *fsp, int flags, mode_t mode)
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| 98 | {
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| 99 | pstring name;
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| 100 |
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| 101 | pstrcpy(name, fname);
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| 102 | to_unix(name);
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| 103 |
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| 104 | return SMB_VFS_NEXT_OPEN(handle, name, fsp, flags, mode);
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| 105 | }
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| 106 |
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| 107 | static int catia_rename(vfs_handle_struct *handle,
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| 108 | const char *oldname, const char *newname)
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| 109 | {
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| 110 | pstring oname, nname;
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| 111 |
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| 112 | pstrcpy(oname, oldname);
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| 113 | to_unix(oname);
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| 114 | pstrcpy(nname, newname);
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| 115 | to_unix(nname);
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| 116 |
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| 117 | DEBUG(10, ("converted old name: %s\n", oname));
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| 118 | DEBUG(10, ("converted new name: %s\n", nname));
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| 119 |
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| 120 | return SMB_VFS_NEXT_RENAME(handle, oname, nname);
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| 121 | }
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| 122 |
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| 123 | static int catia_stat(vfs_handle_struct *handle,
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| 124 | const char *fname, SMB_STRUCT_STAT *sbuf)
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| 125 | {
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| 126 | pstring name;
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| 127 | pstrcpy(name, fname);
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| 128 | to_unix(name);
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| 129 |
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| 130 | return SMB_VFS_NEXT_STAT(handle, name, sbuf);
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| 131 | }
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| 132 |
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| 133 | static int catia_lstat(vfs_handle_struct *handle,
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| 134 | const char *path, SMB_STRUCT_STAT *sbuf)
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| 135 | {
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| 136 | pstring name;
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| 137 | pstrcpy(name, path);
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| 138 | to_unix(name);
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| 139 |
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| 140 | return SMB_VFS_NEXT_LSTAT(handle, name, sbuf);
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| 141 | }
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| 142 |
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| 143 | static int catia_unlink(vfs_handle_struct *handle, const char *path)
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| 144 | {
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| 145 | pstring name;
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| 146 | pstrcpy(name, path);
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| 147 | to_unix(name);
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| 148 |
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| 149 | return SMB_VFS_NEXT_UNLINK(handle, name);
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| 150 | }
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| 151 |
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| 152 | static int catia_chmod(vfs_handle_struct *handle,
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| 153 | const char *path, mode_t mode)
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| 154 | {
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| 155 | pstring name;
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| 156 | pstrcpy(name, path);
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| 157 | to_unix(name);
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| 158 |
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| 159 | return SMB_VFS_NEXT_CHMOD(handle, name, mode);
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| 160 | }
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| 161 |
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| 162 | static int catia_chown(vfs_handle_struct *handle,
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| 163 | const char *path, uid_t uid, gid_t gid)
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| 164 | {
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| 165 | pstring name;
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| 166 | pstrcpy(name, path);
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| 167 | to_unix(name);
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| 168 |
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| 169 | return SMB_VFS_NEXT_CHOWN(handle, name, uid, gid);
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| 170 | }
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| 171 |
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| 172 | static int catia_chdir(vfs_handle_struct *handle,
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| 173 | const char *path)
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| 174 | {
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| 175 | pstring name;
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| 176 | pstrcpy(name, path);
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| 177 | to_unix(name);
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| 178 |
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| 179 | return SMB_VFS_NEXT_CHDIR(handle, name);
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| 180 | }
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| 181 |
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| 182 | static char *catia_getwd(vfs_handle_struct *handle, char *buf)
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| 183 | {
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| 184 | return SMB_VFS_NEXT_GETWD(handle, buf);
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| 185 | }
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| 186 |
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| 187 | static int catia_ntimes(vfs_handle_struct *handle,
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| 188 | const char *path, const struct timespec ts[2])
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| 189 | {
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| 190 | return SMB_VFS_NEXT_NTIMES(handle, path, ts);
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| 191 | }
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| 192 |
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| 193 | static BOOL catia_symlink(vfs_handle_struct *handle,
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| 194 | const char *oldpath, const char *newpath)
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| 195 | {
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| 196 | return SMB_VFS_NEXT_SYMLINK(handle, oldpath, newpath);
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| 197 | }
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| 198 |
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| 199 | static BOOL catia_readlink(vfs_handle_struct *handle,
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| 200 | const char *path, char *buf, size_t bufsiz)
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| 201 | {
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| 202 | return SMB_VFS_NEXT_READLINK(handle, path, buf, bufsiz);
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| 203 | }
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| 204 |
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| 205 | static int catia_link(vfs_handle_struct *handle,
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| 206 | const char *oldpath, const char *newpath)
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| 207 | {
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| 208 | return SMB_VFS_NEXT_LINK(handle, oldpath, newpath);
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| 209 | }
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| 210 |
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| 211 | static int catia_mknod(vfs_handle_struct *handle,
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| 212 | const char *path, mode_t mode, SMB_DEV_T dev)
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| 213 | {
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| 214 | return SMB_VFS_NEXT_MKNOD(handle, path, mode, dev);
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| 215 | }
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| 216 |
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| 217 | static char *catia_realpath(vfs_handle_struct *handle,
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| 218 | const char *path, char *resolved_path)
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| 219 | {
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| 220 | return SMB_VFS_NEXT_REALPATH(handle, path, resolved_path);
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| 221 | }
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| 222 |
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| 223 | static size_t catia_get_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
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| 224 | const char *name, uint32 security_info,
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| 225 | struct security_descriptor_info **ppdesc)
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| 226 | {
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| 227 | return SMB_VFS_NEXT_GET_NT_ACL(handle, fsp, name, security_info,
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| 228 | ppdesc);
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| 229 | }
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| 230 |
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| 231 | static BOOL catia_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
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| 232 | const char *name, uint32 security_info_sent,
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| 233 | struct security_descriptor_info *psd)
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| 234 | {
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| 235 | return SMB_VFS_NEXT_SET_NT_ACL(handle, fsp, name, security_info_sent,
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| 236 | psd);
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| 237 | }
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| 238 |
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| 239 | static int catia_chmod_acl(vfs_handle_struct *handle,
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| 240 | const char *name, mode_t mode)
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| 241 | {
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| 242 | /* If the underlying VFS doesn't have ACL support... */
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| 243 | if (!handle->vfs_next.ops.chmod_acl) {
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| 244 | errno = ENOSYS;
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| 245 | return -1;
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| 246 | }
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| 247 | return SMB_VFS_NEXT_CHMOD_ACL(handle, name, mode);
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| 248 | }
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| 249 |
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| 250 | /* VFS operations structure */
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| 251 |
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| 252 | static vfs_op_tuple catia_op_tuples[] = {
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| 253 |
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| 254 | /* Directory operations */
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| 255 |
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| 256 | {SMB_VFS_OP(catia_opendir), SMB_VFS_OP_OPENDIR,
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| 257 | SMB_VFS_LAYER_TRANSPARENT},
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| 258 | {SMB_VFS_OP(catia_readdir), SMB_VFS_OP_READDIR,
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| 259 | SMB_VFS_LAYER_TRANSPARENT},
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| 260 |
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| 261 | /* File operations */
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| 262 |
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| 263 | {SMB_VFS_OP(catia_open), SMB_VFS_OP_OPEN,
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| 264 | SMB_VFS_LAYER_TRANSPARENT},
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| 265 | {SMB_VFS_OP(catia_rename), SMB_VFS_OP_RENAME,
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| 266 | SMB_VFS_LAYER_TRANSPARENT},
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| 267 | {SMB_VFS_OP(catia_stat), SMB_VFS_OP_STAT,
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| 268 | SMB_VFS_LAYER_TRANSPARENT},
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| 269 | {SMB_VFS_OP(catia_lstat), SMB_VFS_OP_LSTAT,
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| 270 | SMB_VFS_LAYER_TRANSPARENT},
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| 271 | {SMB_VFS_OP(catia_unlink), SMB_VFS_OP_UNLINK,
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| 272 | SMB_VFS_LAYER_TRANSPARENT},
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| 273 | {SMB_VFS_OP(catia_chmod), SMB_VFS_OP_CHMOD,
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| 274 | SMB_VFS_LAYER_TRANSPARENT},
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| 275 | {SMB_VFS_OP(catia_chown), SMB_VFS_OP_CHOWN,
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| 276 | SMB_VFS_LAYER_TRANSPARENT},
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| 277 | {SMB_VFS_OP(catia_chdir), SMB_VFS_OP_CHDIR,
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| 278 | SMB_VFS_LAYER_TRANSPARENT},
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| 279 | {SMB_VFS_OP(catia_getwd), SMB_VFS_OP_GETWD,
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| 280 | SMB_VFS_LAYER_TRANSPARENT},
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| 281 | {SMB_VFS_OP(catia_ntimes), SMB_VFS_OP_NTIMES,
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| 282 | SMB_VFS_LAYER_TRANSPARENT},
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| 283 | {SMB_VFS_OP(catia_symlink), SMB_VFS_OP_SYMLINK,
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| 284 | SMB_VFS_LAYER_TRANSPARENT},
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| 285 | {SMB_VFS_OP(catia_readlink), SMB_VFS_OP_READLINK,
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| 286 | SMB_VFS_LAYER_TRANSPARENT},
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| 287 | {SMB_VFS_OP(catia_link), SMB_VFS_OP_LINK,
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| 288 | SMB_VFS_LAYER_TRANSPARENT},
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| 289 | {SMB_VFS_OP(catia_mknod), SMB_VFS_OP_MKNOD,
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| 290 | SMB_VFS_LAYER_TRANSPARENT},
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| 291 | {SMB_VFS_OP(catia_realpath), SMB_VFS_OP_REALPATH,
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| 292 | SMB_VFS_LAYER_TRANSPARENT},
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| 293 |
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| 294 | /* NT File ACL operations */
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| 295 |
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| 296 | {SMB_VFS_OP(catia_get_nt_acl), SMB_VFS_OP_GET_NT_ACL,
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| 297 | SMB_VFS_LAYER_TRANSPARENT},
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| 298 | {SMB_VFS_OP(catia_set_nt_acl), SMB_VFS_OP_SET_NT_ACL,
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| 299 | SMB_VFS_LAYER_TRANSPARENT},
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| 300 |
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| 301 | /* POSIX ACL operations */
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| 302 |
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| 303 | {SMB_VFS_OP(catia_chmod_acl), SMB_VFS_OP_CHMOD_ACL,
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| 304 | SMB_VFS_LAYER_TRANSPARENT},
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| 305 |
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| 306 |
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| 307 | {NULL, SMB_VFS_OP_NOOP,
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| 308 | SMB_VFS_LAYER_NOOP}
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| 309 | };
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| 310 |
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| 311 | NTSTATUS vfs_catia_init(void);
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| 312 | NTSTATUS vfs_catia_init(void)
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| 313 | {
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| 314 | return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "catia",
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| 315 | catia_op_tuples);
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| 316 | }
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