examples/libsmbclient/smbwrapper/wrapper.h

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 2.0
   4    SMB wrapper functions
   5    Copyright (C) Derrell Lipman 2003-2005
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #ifndef __WRAPPER_H__
  22 #define __WRAPPER_H__
  23
  24 #include <sys/stat.h>
  25 #include <sys/select.h>
  26 #include <sys/time.h>
  27 #include <sys/types.h>
  28 #include <unistd.h>
  29 #include <dirent.h>
  30 #include <utime.h>
  31 #include <signal.h>
  32 #include <stdio.h>
  33
  34 #ifndef __FD_SETSIZE
  35 #  define __FD_SETSIZE  256
  36 #endif
  37
  38 extern int smbw_fd_map[__FD_SETSIZE];
  39 extern int smbw_ref_count[__FD_SETSIZE];
  40 extern char smbw_cwd[PATH_MAX];
  41 extern char smbw_prefix[];
  42
  43 typedef struct SMBW_stat {
  44         unsigned long           s_dev;     /* device */
  45         unsigned long           s_ino;     /* inode */
  46         unsigned long           s_mode;    /* protection */
  47         unsigned long           s_nlink;   /* number of hard links */
  48         unsigned long           s_uid;     /* user ID of owner */
  49         unsigned long           s_gid;     /* group ID of owner */
  50         unsigned long           s_rdev;    /* device type (if inode device) */
  51         unsigned long long      s_size;    /* total size, in bytes */
  52         unsigned long           s_blksize; /* blocksize for filesystem I/O */
  53         unsigned long           s_blocks;  /* number of blocks allocated */
  54         unsigned long           s_atime;   /* time of last access */
  55         unsigned long           s_mtime;   /* time of last modification */
  56         unsigned long           s_ctime;   /* time of last change */
  57 } SMBW_stat;
  58
  59 typedef struct SMBW_dirent {
  60         unsigned long           d_ino;      /* inode number */
  61         unsigned long long      d_off;      /* offset to the next dirent */
  62         unsigned long           d_reclen;   /* length of this record */
  63         unsigned long           d_type;     /* type of file */
  64         char                    d_name[256]; /* filename */
  65         char                    d_comment[256]; /* comment */
  66 } SMBW_dirent;
  67
  68 struct kernel_sigaction {
  69         __sighandler_t k_sa_handler;
  70         unsigned long sa_flags;
  71         sigset_t sa_mask;
  72 };
  73
  74 typedef struct SMBW_libc
  75 {
  76         /* write() is first, to allow debugging */
  77         ssize_t (* write)(int fd, void *buf, size_t count);
  78         int (* open)(char *name, int flags, mode_t mode);
  79         int (* _open)(char *name, int flags, mode_t mode) ;
  80         int (* __open)(char *name, int flags, mode_t mode) ;
  81         int (* open64)(char *name, int flags, mode_t mode);
  82         int (* _open64)(char *name, int flags, mode_t mode) ;
  83         int (* __open64)(char *name, int flags, mode_t mode) ;
  84         ssize_t (* pread)(int fd, void *buf, size_t size, off_t ofs);
  85         ssize_t (* pread64)(int fd, void *buf, size_t size, off64_t ofs);
  86         ssize_t (* pwrite)(int fd, void *buf, size_t size, off_t ofs);
  87         ssize_t (* pwrite64)(int fd, void *buf, size_t size, off64_t ofs);
  88         int (* close)(int fd);
  89         int (* __close)(int fd);
  90         int (* _close)(int fd);
  91         int (* fcntl)(int fd, int cmd, long arg);
  92         int (* __fcntl)(int fd, int cmd, long arg);
  93         int (* _fcntl)(int fd, int cmd, long arg);
  94         int (* getdents)(int fd, struct dirent *dirp, unsigned int count);
  95         int (* __getdents)(int fd, struct dirent *dirp, unsigned int count);
  96         int (* _getdents)(int fd, struct dirent *dirp, unsigned int count);
  97         int (* getdents64)(int fd, struct dirent64 *dirp, unsigned int count);
  98         off_t (* lseek)(int fd, off_t offset, int whence);
  99         off_t (* __lseek)(int fd, off_t offset, int whence);
 100         off_t (* _lseek)(int fd, off_t offset, int whence);
 101         off64_t (* lseek64)(int fd, off64_t offset, int whence);
 102         off64_t (* __lseek64)(int fd, off64_t offset, int whence);
 103         off64_t (* _lseek64)(int fd, off64_t offset, int whence);
 104         ssize_t (* read)(int fd, void *buf, size_t count);
 105         ssize_t (* __read)(int fd, void *buf, size_t count);
 106         ssize_t (* _read)(int fd, void *buf, size_t count);
 107         ssize_t (* __write)(int fd, void *buf, size_t count);
 108         ssize_t (* _write)(int fd, void *buf, size_t count);
 109         int (* access)(char *name, int mode);
 110         int (* chmod)(char *name, mode_t mode);
 111         int (* fchmod)(int fd, mode_t mode);
 112         int (* chown)(char *name, uid_t owner, gid_t group);
 113         int (* fchown)(int fd, uid_t owner, gid_t group);
 114         int (* __xstat)(int vers, char *name, struct stat *st);
 115         char * ( *getcwd)(char *buf, size_t size);
 116         int (* mkdir)(char *name, mode_t mode);
 117         int (* __fxstat)(int vers, int fd, struct stat *st);
 118         int (* __lxstat)(int vers, char *name, struct stat *st);
 119         int (* stat)(char *name, struct stat *st);
 120         int (* lstat)(char *name, struct stat *st);
 121         int (* fstat)(int fd, struct stat *st);
 122         int (* unlink)(char *name);
 123         int (* utime)(char *name, struct utimbuf *tvp);
 124         int (* utimes)(char *name, struct timeval *tvp);
 125         int (* readlink)(char *path, char *buf, size_t bufsize);
 126         int (* rename)(char *oldname, char *newname);
 127         int (* rmdir)(char *name);
 128         int (* symlink)(char *topath, char *frompath);
 129         int (* dup)(int fd);
 130         int (* dup2)(int oldfd, int newfd);
 131         DIR * (* opendir)(char *name);
 132         struct dirent * (* readdir)(DIR *dir);
 133         int (* closedir)(DIR *dir);
 134         off_t (* telldir)(DIR *dir);
 135         void (* seekdir)(DIR *dir, off_t offset);
 136         int (* creat)(char *path, mode_t mode);
 137         int (* creat64)(char *path, mode_t mode);
 138         int (* __xstat64)(int ver, char *name, struct stat64 *st64);
 139         int (* stat64)(char *name, struct stat64 *st64);
 140         int (* __fxstat64)(int ver, int fd, struct stat64 *st64);
 141         int (* fstat64)(int fd, struct stat64 *st64);
 142         int (* __lxstat64)(int ver, char *name, struct stat64 *st64);
 143         int (* lstat64)(char *name, struct stat64 *st64);
 144         int (* _llseek)(unsigned int fd,  unsigned  long  offset_high, unsigned  long  offset_low,  loff_t  *result, unsigned int whence);
 145         struct dirent64 * (* readdir64)(DIR *dir);
 146         int (* readdir_r)(DIR *dir, struct dirent *entry, struct dirent **result);
 147         int (* readdir64_r)(DIR *dir, struct dirent64 *entry, struct dirent64 **result);
 148         int (* setxattr)(const char *fname,
 149                          const char *name,
 150                          const void *value,
 151                          size_t size,
 152                          int flags);
 153         int (* lsetxattr)(const char *fname,
 154                           const char *name,
 155                           const void *value,
 156                           size_t size,
 157                           int flags);
 158         int (* fsetxattr)(int smbw_fd,
 159                           const char *name,
 160                           const void *value,
 161                           size_t size,
 162                           int flags);
 163         int (* getxattr)(const char *fname,
 164                          const char *name,
 165                          const void *value,
 166                          size_t size);
 167         int (* lgetxattr)(const char *fname,
 168                           const char *name,
 169                           const void *value,
 170                           size_t size);
 171         int (* fgetxattr)(int smbw_fd,
 172                           const char *name,
 173                           const void *value,
 174                           size_t size);
 175         int (* removexattr)(const char *fname,
 176                             const char *name);
 177         int (* lremovexattr)(const char *fname,
 178                              const char *name);
 179         int (* fremovexattr)(int smbw_fd,
 180                              const char *name);
 181         int (* listxattr)(const char *fname,
 182                           char *list,
 183                           size_t size);
 184         int (* llistxattr)(const char *fname,
 185                            char *list,
 186                            size_t size);
 187         int (* flistxattr)(int smbw_fd,
 188                            char *list,
 189                            size_t size);
 190         int (* chdir)(const char *path);
 191         int (* fchdir)(int fd);
 192         pid_t (* fork)(void);
 193         int (* select)(int n,
 194                        fd_set *readfds,
 195                        fd_set *writefds,
 196                        fd_set *exceptfds,
 197                        struct timeval *timeout);
 198         int (* _select)(int n,
 199                         fd_set *readfds,
 200                         fd_set *writefds,
 201                         fd_set *exceptfds,
 202                         struct timeval *timeout);
 203         int (* __select)(int n,
 204                          fd_set *readfds,
 205                          fd_set *writefds,
 206                          fd_set *exceptfds,
 207                          struct timeval *timeout);
 208 } SMBW_libc_pointers;
 209
 210 extern SMBW_libc_pointers smbw_libc;
 211
 212 #endif /* __WRAPPER_H__ */