diff options
Diffstat (limited to 'examples/VFS/skel.c')
| -rw-r--r-- | examples/VFS/skel.c | 520 |
1 files changed, 520 insertions, 0 deletions
diff --git a/examples/VFS/skel.c b/examples/VFS/skel.c new file mode 100644 index 0000000000..bb5486e690 --- /dev/null +++ b/examples/VFS/skel.c @@ -0,0 +1,520 @@ +/* + * Skeleton VFS module. Implements passthrough operation of all VFS + * calls to disk functions. + * + * Copyright (C) Tim Potter, 1999-2000 + * + * 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 2 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, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "config.h" + +#include <stdio.h> +#include <sys/stat.h> +#ifdef HAVE_UTIME_H +#include <utime.h> +#endif +#ifdef HAVE_DIRENT_H +#include <dirent.h> +#endif +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif +#include <errno.h> +#include <string.h> + +#include <includes.h> +#include <vfs.h> + +extern struct vfs_ops default_vfs_ops; /* For passthrough operation */ +extern struct vfs_ops skel_ops; + +static int skel_connect(struct connection_struct *conn, const char *service, const char *user) +{ + return default_vfs_ops.connect(conn, service, user); +} + +static void skel_disconnect(struct connection_struct *conn) +{ + default_vfs_ops.disconnect(conn); +} + +static SMB_BIG_UINT skel_disk_free(struct connection_struct *conn, const char *path, + BOOL small_query, SMB_BIG_UINT *bsize, + SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize) +{ + return default_vfs_ops.disk_free(conn, path, small_query, bsize, + dfree, dsize); +} + +static DIR *skel_opendir(struct connection_struct *conn, const char *fname) +{ + return default_vfs_ops.opendir(conn, fname); +} + +static struct dirent *skel_readdir(struct connection_struct *conn, DIR *dirp) +{ + return default_vfs_ops.readdir(conn, dirp); +} + +static int skel_mkdir(struct connection_struct *conn, const char *path, mode_t mode) +{ + return default_vfs_ops.mkdir(conn, path, mode); +} + +static int skel_rmdir(struct connection_struct *conn, const char *path) +{ + return default_vfs_ops.rmdir(conn, path); +} + +static int skel_closedir(struct connection_struct *conn, DIR *dir) +{ + return default_vfs_ops.closedir(conn, dir); +} + +static int skel_open(struct connection_struct *conn, const char *fname, int flags, mode_t mode) +{ + return default_vfs_ops.open(conn, fname, flags, mode); +} + +static int skel_close(struct files_struct *fsp, int fd) +{ + return default_vfs_ops.close(fsp, fd); +} + +static ssize_t skel_read(struct files_struct *fsp, int fd, void *data, size_t n) +{ + return default_vfs_ops.read(fsp, fd, data, n); +} + +static ssize_t skel_write(struct files_struct *fsp, int fd, const void *data, size_t n) +{ + return default_vfs_ops.write(fsp, fd, data, n); +} + +static SMB_OFF_T skel_lseek(struct files_struct *fsp, int filedes, SMB_OFF_T offset, int whence) +{ + return default_vfs_ops.lseek(fsp, filedes, offset, whence); +} + +static int skel_rename(struct connection_struct *conn, const char *old, const char *new) +{ + return default_vfs_ops.rename(conn, old, new); +} + +static int skel_fsync(struct files_struct *fsp, int fd) +{ + return default_vfs_ops.fsync(fsp, fd); +} + +static int skel_stat(struct connection_struct *conn, const char *fname, SMB_STRUCT_STAT *sbuf) +{ + return default_vfs_ops.stat(conn, fname, sbuf); +} + +static int skel_fstat(struct files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf) +{ + return default_vfs_ops.fstat(fsp, fd, sbuf); +} + +static int skel_lstat(struct connection_struct *conn, const char *path, SMB_STRUCT_STAT *sbuf) +{ + return default_vfs_ops.lstat(conn, path, sbuf); +} + +static int skel_unlink(struct connection_struct *conn, const char *path) +{ + return default_vfs_ops.unlink(conn, path); +} + +static int skel_chmod(struct connection_struct *conn, const char *path, mode_t mode) +{ + return default_vfs_ops.chmod(conn, path, mode); +} + +static int skel_fchmod(struct files_struct *fsp, int fd, mode_t mode) +{ + return default_vfs_ops.fchmod(fsp, fd, mode); +} + +static int skel_chown(struct connection_struct *conn, const char *path, uid_t uid, gid_t gid) +{ + return default_vfs_ops.chown(conn, path, uid, gid); +} + +static int skel_fchown(struct files_struct *fsp, int fd, uid_t uid, gid_t gid) +{ + return default_vfs_ops.fchown(fsp, fd, uid, gid); +} + +static int skel_chdir(struct connection_struct *conn, const char *path) +{ + return default_vfs_ops.chdir(conn, path); +} + +static char *skel_getwd(struct connection_struct *conn, char *buf) +{ + return default_vfs_ops.getwd(conn, buf); +} + +static int skel_utime(struct connection_struct *conn, const char *path, struct utimbuf *times) +{ + return default_vfs_ops.utime(conn, path, times); +} + +static int skel_ftruncate(struct files_struct *fsp, int fd, SMB_OFF_T offset) +{ + return default_vfs_ops.ftruncate(fsp, fd, offset); +} + +static BOOL skel_lock(struct files_struct *fsp, int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type) +{ + return default_vfs_ops.lock(fsp, fd, op, offset, count, type); +} + +static BOOL skel_symlink(struct connection_struct *conn, const char *oldpath, const char *newpath) +{ + return default_vfs_ops.symlink(conn, oldpath, newpath); +} + +static BOOL skel_readlink(struct connection_struct *conn, const char *path, char *buf, size_t bufsiz) +{ + return default_vfs_ops.readlink(conn, path, buf, bufsiz); +} + +static int skel_link(struct connection_struct *conn, const char *oldpath, const char *newpath) +{ + return default_vfs_ops.link(conn, oldpath, newpath); +} + +static int skel_mknod(struct connection_struct *conn, const char *path, mode_t mode, SMB_DEV_T dev) +{ + return default_vfs_ops.mknod(conn, path, mode, dev); +} + +static char *skel_realpath(struct connection_struct *conn, const char *path, char *resolved_path) +{ + return default_vfs_ops.realpath(conn, path, resolved_path); +} + +static size_t skel_fget_nt_acl(struct files_struct *fsp, int fd, struct security_descriptor_info **ppdesc) +{ + return default_vfs_ops.fget_nt_acl(fsp, fd, ppdesc); +} + +static size_t skel_get_nt_acl(struct files_struct *fsp, const char *name, struct security_descriptor_info **ppdesc) +{ + return default_vfs_ops.get_nt_acl(fsp, name, ppdesc); +} + +static BOOL skel_fset_nt_acl(struct files_struct *fsp, int fd, uint32 security_info_sent, struct security_descriptor_info *psd) +{ + return default_vfs_ops.fset_nt_acl(fsp, fd, security_info_sent, psd); +} + +static BOOL skel_set_nt_acl(struct files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor_info *psd) +{ + return default_vfs_ops.set_nt_acl(fsp, name, security_info_sent, psd); +} + +static BOOL skel_chmod_acl(struct connection_struct *conn, const char *name, mode_t mode) +{ + return default_vfs_ops.chmod_acl(conn, name, mode); +} + +static BOOL skel_fchmod_acl(struct files_struct *fsp, int fd, mode_t mode) +{ + return default_vfs_ops.fchmod_acl(fsp, fd, mode); +} + +static int skel_sys_acl_get_entry(struct connection_struct *conn, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p) +{ + return default_vfs_ops.sys_acl_get_entry(conn, theacl, entry_id, entry_p); +} + +static int skel_sys_acl_get_tag_type(struct connection_struct *conn, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) +{ + return default_vfs_ops.sys_acl_get_tag_type(conn, entry_d, tag_type_p); +} + +static int skel_sys_acl_get_permset(struct connection_struct *conn, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p) +{ + return default_vfs_ops.sys_acl_get_permset(conn, entry_d, permset_p); +} + +static void *skel_sys_acl_get_qualifier(struct connection_struct *conn, SMB_ACL_ENTRY_T entry_d) +{ + return default_vfs_ops.sys_acl_get_qualifier(conn, entry_d); +} + +static SMB_ACL_T skel_sys_acl_get_file(struct connection_struct *conn, const char *path_p, SMB_ACL_TYPE_T type) +{ + return default_vfs_ops.sys_acl_get_file(conn, path_p, type); +} + +static SMB_ACL_T skel_sys_acl_get_fd(struct files_struct *fsp, int fd) +{ + return default_vfs_ops.sys_acl_get_fd(fsp, fd); +} + +static int skel_sys_acl_clear_perms(struct connection_struct *conn, SMB_ACL_PERMSET_T permset) +{ + return default_vfs_ops.sys_acl_clear_perms(conn, permset); +} + +static int skel_sys_acl_add_perm(struct connection_struct *conn, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm) +{ + return default_vfs_ops.sys_acl_add_perm(conn, permset, perm); +} + +static char *skel_sys_acl_to_text(struct connection_struct *conn, SMB_ACL_T theacl, ssize_t *plen) +{ + return default_vfs_ops.sys_acl_to_text(conn, theacl, plen); +} + +static SMB_ACL_T skel_sys_acl_init(struct connection_struct *conn, int count) +{ + return default_vfs_ops.sys_acl_init(conn, count); +} + +static int skel_sys_acl_create_entry(struct connection_struct *conn, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) +{ + return default_vfs_ops.sys_acl_create_entry(conn, pacl, pentry); +} + +static int skel_sys_acl_set_tag_type(struct connection_struct *conn, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype) +{ + return default_vfs_ops.sys_acl_set_tag_type(conn, entry, tagtype); +} + +static int skel_sys_acl_set_qualifier(struct connection_struct *conn, SMB_ACL_ENTRY_T entry, void *qual) +{ + return default_vfs_ops.sys_acl_set_qualifier(conn, entry, qual); +} + +static int skel_sys_acl_set_permset(struct connection_struct *conn, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset) +{ + return default_vfs_ops.sys_acl_set_permset(conn, entry, permset); +} + +static int skel_sys_acl_valid(struct connection_struct *conn, SMB_ACL_T theacl ) +{ + return default_vfs_ops.sys_acl_valid(conn, theacl ); +} + +static int skel_sys_acl_set_file(struct connection_struct *conn, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) +{ + return default_vfs_ops.sys_acl_set_file(conn, name, acltype, theacl); +} + +static int skel_sys_acl_set_fd(struct files_struct *fsp, int fd, SMB_ACL_T theacl) +{ + return default_vfs_ops.sys_acl_set_fd(fsp, fd, theacl); +} + +static int skel_sys_acl_delete_def_file(struct connection_struct *conn, const char *path) +{ + return default_vfs_ops.sys_acl_delete_def_file(conn, path); +} + +static int skel_sys_acl_get_perm(struct connection_struct *conn, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm) +{ + return default_vfs_ops.sys_acl_get_perm(conn, permset, perm); +} + +static int skel_sys_acl_free_text(struct connection_struct *conn, char *text) +{ + return default_vfs_ops.sys_acl_free_text(conn, text); +} + +static int skel_sys_acl_free_acl(struct connection_struct *conn, SMB_ACL_T posix_acl) +{ + return default_vfs_ops.sys_acl_free_acl(conn, posix_acl); +} + +static int skel_sys_acl_free_qualifier(struct connection_struct *conn, void *qualifier, SMB_ACL_TAG_T tagtype) +{ + return default_vfs_ops.sys_acl_free_qualifier(conn, qualifier, tagtype); +} + +/* VFS initialisation - return vfs_ops function pointer structure */ + +struct vfs_ops *vfs_init(int *vfs_version, struct vfs_ops *def_vfs_ops) +{ + struct vfs_ops tmp_ops; + + DEBUG(3, ("Initialising default vfs hooks\n")); + + *vfs_version = SMB_VFS_INTERFACE_VERSION; + memcpy(&tmp_ops, def_vfs_ops, sizeof(struct vfs_ops)); + + tmp_ops.connect = skel_connect; + tmp_ops.disconnect = skel_disconnect; + tmp_ops.disk_free = skel_disk_free; + + /* Directory operations */ + + tmp_ops.opendir = skel_opendir; + tmp_ops.readdir = skel_readdir; + tmp_ops.mkdir = skel_mkdir; + tmp_ops.rmdir = skel_rmdir; + tmp_ops.closedir = skel_closedir; + + /* File operations */ + + tmp_ops.open = skel_open; + tmp_ops.close = skel_close; + tmp_ops.read = skel_read; + tmp_ops.write = skel_write; + tmp_ops.lseek = skel_lseek; + tmp_ops.rename = skel_rename; + tmp_ops.fsync = skel_fsync; + tmp_ops.stat = skel_stat; + tmp_ops.fstat = skel_fstat; + tmp_ops.lstat = skel_lstat; + tmp_ops.unlink = skel_unlink; + tmp_ops.chmod = skel_chmod; + tmp_ops.fchmod = skel_fchmod; + tmp_ops.chown = skel_chown; + tmp_ops.fchown = skel_fchown; + tmp_ops.chdir = skel_chdir; + tmp_ops.getwd = skel_getwd; + tmp_ops.utime = skel_utime; + tmp_ops.ftruncate = skel_ftruncate; + tmp_ops.lock = skel_lock; + tmp_ops.symlink = skel_symlink; + tmp_ops.readlink = skel_readlink; + tmp_ops.link = skel_link; + tmp_ops.mknod = skel_mknod; + tmp_ops.realpath = skel_realpath; + + tmp_ops.fget_nt_acl = skel_fget_nt_acl; + tmp_ops.get_nt_acl = skel_get_nt_acl; + tmp_ops.fset_nt_acl = skel_fset_nt_acl; + tmp_ops.set_nt_acl = skel_set_nt_acl; + + /* POSIX ACL operations. */ + + tmp_ops.chmod_acl = skel_chmod_acl; + tmp_ops.fchmod_acl = skel_fchmod_acl; + tmp_ops.sys_acl_get_entry = skel_sys_acl_get_entry; + tmp_ops.sys_acl_get_tag_type = skel_sys_acl_get_tag_type; + tmp_ops.sys_acl_get_permset = skel_sys_acl_get_permset; + tmp_ops.sys_acl_get_qualifier = skel_sys_acl_get_qualifier; + tmp_ops.sys_acl_get_file = skel_sys_acl_get_file; + tmp_ops.sys_acl_get_fd = skel_sys_acl_get_fd; + tmp_ops.sys_acl_clear_perms = skel_sys_acl_clear_perms; + tmp_ops.sys_acl_add_perm = skel_sys_acl_add_perm; + tmp_ops.sys_acl_to_text = skel_sys_acl_to_text; + tmp_ops.sys_acl_init = skel_sys_acl_init; + tmp_ops.sys_acl_create_entry = skel_sys_acl_create_entry; + tmp_ops.sys_acl_set_tag_type = skel_sys_acl_set_tag_type; + tmp_ops.sys_acl_set_qualifier = skel_sys_acl_set_qualifier; + tmp_ops.sys_acl_set_permset = skel_sys_acl_set_permset; + tmp_ops.sys_acl_valid = skel_sys_acl_valid; + tmp_ops.sys_acl_set_file = skel_sys_acl_set_file; + tmp_ops.sys_acl_set_fd = skel_sys_acl_set_fd; + tmp_ops.sys_acl_delete_def_file = skel_sys_acl_delete_def_file; + tmp_ops.sys_acl_get_perm = skel_sys_acl_get_perm; + tmp_ops.sys_acl_free_text = skel_sys_acl_free_text; + tmp_ops.sys_acl_free_acl = skel_sys_acl_free_acl; + tmp_ops.sys_acl_free_qualifier = skel_sys_acl_free_qualifier; + + memcpy(&skel_ops, &tmp_ops, sizeof(struct vfs_ops)); + + return &skel_ops; +} + +/* VFS operations structure */ + +struct vfs_ops skel_ops = { + + /* Disk operations */ + + skel_connect, + skel_disconnect, + skel_disk_free, + + /* Directory operations */ + + skel_opendir, + skel_readdir, + skel_mkdir, + skel_rmdir, + skel_closedir, + + /* File operations */ + + skel_open, + skel_close, + skel_read, + skel_write, + skel_lseek, + skel_rename, + skel_fsync, + skel_stat, + skel_fstat, + skel_lstat, + skel_unlink, + skel_chmod, + skel_fchmod, + skel_chown, + skel_fchown, + skel_chdir, + skel_getwd, + skel_utime, + skel_ftruncate, + skel_lock, + skel_symlink, + skel_readlink, + skel_link, + skel_mknod, + skel_realpath, + + /* NT File ACL operations */ + + skel_fget_nt_acl, + skel_get_nt_acl, + skel_fset_nt_acl, + skel_set_nt_acl, + + /* POSIX ACL operations */ + + skel_chmod_acl, + skel_fchmod_acl, + + skel_sys_acl_get_entry, + skel_sys_acl_get_tag_type, + skel_sys_acl_get_permset, + skel_sys_acl_get_qualifier, + skel_sys_acl_get_file, + skel_sys_acl_get_fd, + skel_sys_acl_clear_perms, + skel_sys_acl_add_perm, + skel_sys_acl_to_text, + skel_sys_acl_init, + skel_sys_acl_create_entry, + skel_sys_acl_set_tag_type, + skel_sys_acl_set_qualifier, + skel_sys_acl_set_permset, + skel_sys_acl_valid, + skel_sys_acl_set_file, + skel_sys_acl_set_fd, + skel_sys_acl_delete_def_file, + skel_sys_acl_get_perm, + skel_sys_acl_free_text, + skel_sys_acl_free_acl, + skel_sys_acl_free_qualifier +}; 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