/* * Catia VFS module * * Implement a fixed mapping of forbidden NT characters in filenames that are * used a lot by the CAD package Catia. * * Yes, this a BAD BAD UGLY INCOMPLETE hack, but it helps quite some people * out there. Catia V4 on AIX uses characters like "<*$ a *lot*, all forbidden * under Windows... * * Copyright (C) Volker Lendecke, 2005 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" static char *catia_string_replace(TALLOC_CTX *ctx, const char *s, unsigned char oldc, unsigned char newc) { smb_ucs2_t *tmpbuf = NULL; smb_ucs2_t *ptr = NULL; smb_ucs2_t old = oldc; char *ret = NULL; size_t converted_size; if (!s) { return NULL; } if (!push_ucs2_talloc(ctx, &tmpbuf, s, &converted_size)) { return NULL; } ptr = tmpbuf; for (;*ptr;ptr++) { if (*ptr==old) { *ptr=newc; } } if (!pull_ucs2_talloc(ctx, &ret, tmpbuf, &converted_size)) { TALLOC_FREE(tmpbuf); return NULL; } TALLOC_FREE(tmpbuf); return ret; } static char *from_unix(TALLOC_CTX *ctx, const char *s) { char *ret = catia_string_replace(ctx, s, '\x22', '\xa8'); ret = catia_string_replace(ctx, ret, '\x2a', '\xa4'); ret = catia_string_replace(ctx, ret, '\x2f', '\xf8'); ret = catia_string_replace(ctx, ret, '\x3a', '\xf7'); ret = catia_string_replace(ctx, ret, '\x3c', '\xab'); ret = catia_string_replace(ctx, ret, '\x3e', '\xbb'); ret = catia_string_replace(ctx, ret, '\x3f', '\xbf'); ret = catia_string_replace(ctx, ret, '\x5c', '\xff'); ret = catia_string_replace(ctx, ret, '\x7c', '\xa6'); return catia_string_replace(ctx, ret, ' ', '\xb1'); } static char *to_unix(TALLOC_CTX *ctx, const char *s) { char *ret = catia_string_replace(ctx, s, '\xa8', '\x22'); ret = catia_string_replace(ctx, ret, '\xa4', '\x2a'); ret = catia_string_replace(ctx, ret, '\xf8', '\x2f'); ret = catia_string_replace(ctx, ret, '\xf7', '\x3a'); ret = catia_string_replace(ctx, ret, '\xab', '\x3c'); ret = catia_string_replace(ctx, ret, '\xbb', '\x3e'); ret = catia_string_replace(ctx, ret, '\xbf', '\x3f'); ret = catia_string_replace(ctx, ret, '\xff', '\x5c'); ret = catia_string_replace(ctx, ret, '\xa6', '\x7c'); return catia_string_replace(ctx, ret, '\xb1', ' '); } static SMB_STRUCT_DIR *catia_opendir(vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attr) { char *name = to_unix(talloc_tos(), fname); if (!name) { errno = ENOMEM; return NULL; } return SMB_VFS_NEXT_OPENDIR(handle, name, mask, attr); } static SMB_STRUCT_DIRENT *catia_readdir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp) { SMB_STRUCT_DIRENT *result = SMB_VFS_NEXT_READDIR(handle, dirp); SMB_STRUCT_DIRENT *newdirent; char *newname; size_t newnamelen; if (result == NULL) { return result; } newname = from_unix(talloc_tos(), result->d_name); if (!newname) { return NULL; } newnamelen = strlen(newname)+1; newdirent = (SMB_STRUCT_DIRENT *)TALLOC_ARRAY(talloc_tos(), char, sizeof(SMB_STRUCT_DIRENT)+ newnamelen); if (!newdirent) { return NULL; } memcpy(newdirent, result, sizeof(SMB_STRUCT_DIRENT)); memcpy(&newdirent->d_name, newname, newnamelen); return newdirent; } static int catia_open(vfs_handle_struct *handle, const char *fname, files_struct *fsp, int flags, mode_t mode) { char *name = to_unix(talloc_tos(), fname); if (!name) { errno = ENOMEM; return -1; } return SMB_VFS_NEXT_OPEN(handle, name, fsp, flags, mode); } static int catia_rename(vfs_handle_struct *handle, const char *oldname, const char *newname) { TALLOC_CTX *ctx = talloc_tos(); char *oname = to_unix(ctx, oldname); char *nname = to_unix(ctx, newname); if (!oname || !nname) { errno = ENOMEM; return -1; } DEBUG(10, ("converted old name: %s\n", oname)); DEBUG(10, ("converted new name: %s\n", nname)); return SMB_VFS_NEXT_RENAME(handle, oname, nname); } static int catia_stat(vfs_handle_struct *handle, const char *fname, SMB_STRUCT_STAT *sbuf) { char *name = to_unix(talloc_tos(), fname); if (!name) { errno = ENOMEM; return -1; } return SMB_VFS_NEXT_STAT(handle, name, sbuf); } static int catia_lstat(vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf) { char *name = to_unix(talloc_tos(), path); if (!name) { errno = ENOMEM; return -1; } return SMB_VFS_NEXT_LSTAT(handle, name, sbuf); } static int catia_unlink(vfs_handle_struct *handle, const char *path) { char *name = to_unix(talloc_tos(), path); if (!name) { errno = ENOMEM; return -1; } return SMB_VFS_NEXT_UNLINK(handle, name); } static int catia_chmod(vfs_handle_struct *handle, const char *path, mode_t mode) { char *name = to_unix(talloc_tos(), path); if (!name) { errno = ENOMEM; return -1; } return SMB_VFS_NEXT_CHMOD(handle, name, mode); } static int catia_chown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid) { char *name = to_unix(talloc_tos(), path); if (!name) { errno = ENOMEM; return -1; } return SMB_VFS_NEXT_CHOWN(handle, name, uid, gid); } static int catia_lchown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid) { char *name = to_unix(talloc_tos(), path); if (!name) { errno = ENOMEM; return -1; } return SMB_VFS_NEXT_LCHOWN(handle, name, uid, gid); } static int catia_chdir(vfs_handle_struct *handle, const char *path) { char *name = to_unix(talloc_tos(), path); if (!name) { errno = ENOMEM; return -1; } return SMB_VFS_NEXT_CHDIR(handle, name); } static char *catia_getwd(vfs_handle_struct *handle, char *buf) { return SMB_VFS_NEXT_GETWD(handle, buf); } static int catia_ntimes(vfs_handle_struct *handle, const char *path, const struct timespec ts[2]) { return SMB_VFS_NEXT_NTIMES(handle, path, ts); } static bool catia_symlink(vfs_handle_struct *handle, const char *oldpath, const char *newpath) { return SMB_VFS_NEXT_SYMLINK(handle, oldpath, newpath); } static bool catia_readlink(vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz) { return SMB_VFS_NEXT_READLINK(handle, path, buf, bufsiz); } static int catia_link(vfs_handle_struct *handle, const char *oldpath, const char *newpath) { return SMB_VFS_NEXT_LINK(handle, oldpath, newpath); } static int catia_mknod(vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev) { return SMB_VFS_NEXT_MKNOD(handle, path, mode, dev); } static char *catia_realpath(vfs_handle_struct *handle, const char *path, char *resolved_path) { return SMB_VFS_NEXT_REALPATH(handle, path, resolved_path); } static NTSTATUS catia_get_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info, struct security_descriptor **ppdesc) { return SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info, ppdesc); } static int catia_chmod_acl(vfs_handle_struct *handle, const char *name, mode_t mode) { /* If the underlying VFS doesn't have ACL support... */ if (!handle->vfs_next.ops.chmod_acl) { errno = ENOSYS; return -1; } return SMB_VFS_NEXT_CHMOD_ACL(handle, name, mode); } /* VFS operations structure */ static vfs_op_tuple catia_op_tuples[] = { /* Directory operations */ {SMB_VFS_OP(catia_opendir), SMB_VFS_OP_OPENDIR, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_readdir), SMB_VFS_OP_READDIR, SMB_VFS_LAYER_TRANSPARENT}, /* File operations */ {SMB_VFS_OP(catia_open), SMB_VFS_OP_OPEN, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_rename), SMB_VFS_OP_RENAME, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_stat), SMB_VFS_OP_STAT, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_lstat), SMB_VFS_OP_LSTAT, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_unlink), SMB_VFS_OP_UNLINK, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_chmod), SMB_VFS_OP_CHMOD, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_chown), SMB_VFS_OP_CHOWN, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_lchown), SMB_VFS_OP_LCHOWN, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_chdir), SMB_VFS_OP_CHDIR, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_getwd), SMB_VFS_OP_GETWD, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_ntimes), SMB_VFS_OP_NTIMES, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_symlink), SMB_VFS_OP_SYMLINK, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_readlink), SMB_VFS_OP_READLINK, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_link), SMB_VFS_OP_LINK, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_mknod), SMB_VFS_OP_MKNOD, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(catia_realpath), SMB_VFS_OP_REALPATH, SMB_VFS_LAYER_TRANSPARENT}, /* NT File ACL operations */ {SMB_VFS_OP(catia_get_nt_acl), SMB_VFS_OP_GET_NT_ACL, SMB_VFS_LAYER_TRANSPARENT}, /* POSIX ACL operations */ {SMB_VFS_OP(catia_chmod_acl), SMB_VFS_OP_CHMOD_ACL, SMB_VFS_LAYER_TRANSPARENT}, {NULL, SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP} }; NTSTATUS vfs_catia_init(void); NTSTATUS vfs_catia_init(void) { return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "catia", catia_op_tuples); }