src/include/common/file_perm.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * File and directory permission definitions
   4  *
   5  *
   6  * Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
   7  * Portions Copyright (c) 1994, Regents of the University of California
   8  *
   9  * src/include/common/file_perm.h
  10  *
  11  *-------------------------------------------------------------------------
  12  */
  13 #ifndef FILE_PERM_H
  14 #define FILE_PERM_H
  15
  16 #include <sys/stat.h>
  17
  18 /*
  19  * Mode mask for data directory permissions that only allows the owner to
  20  * read/write directories and files.
  21  *
  22  * This is the default.
  23  */
  24 #define PG_MODE_MASK_OWNER                  (S_IRWXG | S_IRWXO)
  25
  26 /*
  27  * Mode mask for data directory permissions that also allows group read/execute.
  28  */
  29 #define PG_MODE_MASK_GROUP                      (S_IWGRP | S_IRWXO)
  30
  31 /* Default mode for creating directories */
  32 #define PG_DIR_MODE_OWNER                       S_IRWXU
  33
  34 /* Mode for creating directories that allows group read/execute */
  35 #define PG_DIR_MODE_GROUP                       (S_IRWXU | S_IRGRP | S_IXGRP)
  36
  37 /* Default mode for creating files */
  38 #define PG_FILE_MODE_OWNER                  (S_IRUSR | S_IWUSR)
  39
  40 /* Mode for creating files that allows group read */
  41 #define PG_FILE_MODE_GROUP                      (S_IRUSR | S_IWUSR | S_IRGRP)
  42
  43 /* Modes for creating directories and files in the data directory */
  44 extern PGDLLIMPORT int pg_dir_create_mode;
  45 extern PGDLLIMPORT int pg_file_create_mode;
  46
  47 /* Mode mask to pass to umask() */
  48 extern PGDLLIMPORT int pg_mode_mask;
  49
  50 /* Set permissions and mask based on the provided mode */
  51 extern void SetDataDirectoryCreatePerm(int dataDirMode);
  52
  53 /* Set permissions and mask based on the mode of the data directory */
  54 extern bool GetDataDirectoryCreatePerm(const char *dataDir);
  55
  56 #endif                                                  /* FILE_PERM_H */