| /* filemode.c -- make a string describing file modes |
| Copyright (C) 1985-2016 Free Software Foundation, Inc. |
| |
| 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, 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., 51 Franklin Street - Fifth Floor, Boston, MA |
| 02110-1301, USA. */ |
| |
| #include "sysdep.h" |
| #include "bfd.h" |
| #include "bucomm.h" |
| |
| static char ftypelet (unsigned long); |
| static void setst (unsigned long, char *); |
| |
| /* filemodestring - fill in string STR with an ls-style ASCII |
| representation of the st_mode field of file stats block STATP. |
| 10 characters are stored in STR; no terminating null is added. |
| The characters stored in STR are: |
| |
| 0 File type. 'd' for directory, 'c' for character |
| special, 'b' for block special, 'm' for multiplex, |
| 'l' for symbolic link, 's' for socket, 'p' for fifo, |
| '-' for any other file type |
| |
| 1 'r' if the owner may read, '-' otherwise. |
| |
| 2 'w' if the owner may write, '-' otherwise. |
| |
| 3 'x' if the owner may execute, 's' if the file is |
| set-user-id, '-' otherwise. |
| 'S' if the file is set-user-id, but the execute |
| bit isn't set. |
| |
| 4 'r' if group members may read, '-' otherwise. |
| |
| 5 'w' if group members may write, '-' otherwise. |
| |
| 6 'x' if group members may execute, 's' if the file is |
| set-group-id, '-' otherwise. |
| 'S' if it is set-group-id but not executable. |
| |
| 7 'r' if any user may read, '-' otherwise. |
| |
| 8 'w' if any user may write, '-' otherwise. |
| |
| 9 'x' if any user may execute, 't' if the file is "sticky" |
| (will be retained in swap space after execution), '-' |
| otherwise. |
| 'T' if the file is sticky but not executable. */ |
| |
| /* Get definitions for the file permission bits. */ |
| |
| #ifndef S_IRWXU |
| #define S_IRWXU 0700 |
| #endif |
| #ifndef S_IRUSR |
| #define S_IRUSR 0400 |
| #endif |
| #ifndef S_IWUSR |
| #define S_IWUSR 0200 |
| #endif |
| #ifndef S_IXUSR |
| #define S_IXUSR 0100 |
| #endif |
| |
| #ifndef S_IRWXG |
| #define S_IRWXG 0070 |
| #endif |
| #ifndef S_IRGRP |
| #define S_IRGRP 0040 |
| #endif |
| #ifndef S_IWGRP |
| #define S_IWGRP 0020 |
| #endif |
| #ifndef S_IXGRP |
| #define S_IXGRP 0010 |
| #endif |
| |
| #ifndef S_IRWXO |
| #define S_IRWXO 0007 |
| #endif |
| #ifndef S_IROTH |
| #define S_IROTH 0004 |
| #endif |
| #ifndef S_IWOTH |
| #define S_IWOTH 0002 |
| #endif |
| #ifndef S_IXOTH |
| #define S_IXOTH 0001 |
| #endif |
| |
| /* Like filemodestring, but only the relevant part of the `struct stat' |
| is given as an argument. */ |
| |
| void |
| mode_string (unsigned long mode, char *str) |
| { |
| str[0] = ftypelet ((unsigned long) mode); |
| str[1] = (mode & S_IRUSR) != 0 ? 'r' : '-'; |
| str[2] = (mode & S_IWUSR) != 0 ? 'w' : '-'; |
| str[3] = (mode & S_IXUSR) != 0 ? 'x' : '-'; |
| str[4] = (mode & S_IRGRP) != 0 ? 'r' : '-'; |
| str[5] = (mode & S_IWGRP) != 0 ? 'w' : '-'; |
| str[6] = (mode & S_IXGRP) != 0 ? 'x' : '-'; |
| str[7] = (mode & S_IROTH) != 0 ? 'r' : '-'; |
| str[8] = (mode & S_IWOTH) != 0 ? 'w' : '-'; |
| str[9] = (mode & S_IXOTH) != 0 ? 'x' : '-'; |
| setst ((unsigned long) mode, str); |
| } |
| |
| /* Return a character indicating the type of file described by |
| file mode BITS: |
| 'd' for directories |
| 'b' for block special files |
| 'c' for character special files |
| 'm' for multiplexer files |
| 'l' for symbolic links |
| 's' for sockets |
| 'p' for fifos |
| '-' for any other file type. */ |
| |
| #ifndef S_ISDIR |
| #ifdef S_IFDIR |
| #define S_ISDIR(i) (((i) & S_IFMT) == S_IFDIR) |
| #else /* ! defined (S_IFDIR) */ |
| #define S_ISDIR(i) (((i) & 0170000) == 040000) |
| #endif /* ! defined (S_IFDIR) */ |
| #endif /* ! defined (S_ISDIR) */ |
| |
| #ifndef S_ISBLK |
| #ifdef S_IFBLK |
| #define S_ISBLK(i) (((i) & S_IFMT) == S_IFBLK) |
| #else /* ! defined (S_IFBLK) */ |
| #define S_ISBLK(i) 0 |
| #endif /* ! defined (S_IFBLK) */ |
| #endif /* ! defined (S_ISBLK) */ |
| |
| #ifndef S_ISCHR |
| #ifdef S_IFCHR |
| #define S_ISCHR(i) (((i) & S_IFMT) == S_IFCHR) |
| #else /* ! defined (S_IFCHR) */ |
| #define S_ISCHR(i) 0 |
| #endif /* ! defined (S_IFCHR) */ |
| #endif /* ! defined (S_ISCHR) */ |
| |
| #ifndef S_ISFIFO |
| #ifdef S_IFIFO |
| #define S_ISFIFO(i) (((i) & S_IFMT) == S_IFIFO) |
| #else /* ! defined (S_IFIFO) */ |
| #define S_ISFIFO(i) 0 |
| #endif /* ! defined (S_IFIFO) */ |
| #endif /* ! defined (S_ISFIFO) */ |
| |
| #ifndef S_ISSOCK |
| #ifdef S_IFSOCK |
| #define S_ISSOCK(i) (((i) & S_IFMT) == S_IFSOCK) |
| #else /* ! defined (S_IFSOCK) */ |
| #define S_ISSOCK(i) 0 |
| #endif /* ! defined (S_IFSOCK) */ |
| #endif /* ! defined (S_ISSOCK) */ |
| |
| #ifndef S_ISLNK |
| #ifdef S_IFLNK |
| #define S_ISLNK(i) (((i) & S_IFMT) == S_IFLNK) |
| #else /* ! defined (S_IFLNK) */ |
| #define S_ISLNK(i) 0 |
| #endif /* ! defined (S_IFLNK) */ |
| #endif /* ! defined (S_ISLNK) */ |
| |
| static char |
| ftypelet (unsigned long bits) |
| { |
| if (S_ISDIR (bits)) |
| return 'd'; |
| if (S_ISLNK (bits)) |
| return 'l'; |
| if (S_ISBLK (bits)) |
| return 'b'; |
| if (S_ISCHR (bits)) |
| return 'c'; |
| if (S_ISSOCK (bits)) |
| return 's'; |
| if (S_ISFIFO (bits)) |
| return 'p'; |
| |
| #ifdef S_IFMT |
| #ifdef S_IFMPC |
| if ((bits & S_IFMT) == S_IFMPC |
| || (bits & S_IFMT) == S_IFMPB) |
| return 'm'; |
| #endif |
| #ifdef S_IFNWK |
| if ((bits & S_IFMT) == S_IFNWK) |
| return 'n'; |
| #endif |
| #endif |
| |
| return '-'; |
| } |
| |
| /* Set the 's' and 't' flags in file attributes string CHARS, |
| according to the file mode BITS. */ |
| |
| static void |
| setst (unsigned long bits ATTRIBUTE_UNUSED, char *chars ATTRIBUTE_UNUSED) |
| { |
| #ifdef S_ISUID |
| if (bits & S_ISUID) |
| { |
| if (chars[3] != 'x') |
| /* Set-uid, but not executable by owner. */ |
| chars[3] = 'S'; |
| else |
| chars[3] = 's'; |
| } |
| #endif |
| #ifdef S_ISGID |
| if (bits & S_ISGID) |
| { |
| if (chars[6] != 'x') |
| /* Set-gid, but not executable by group. */ |
| chars[6] = 'S'; |
| else |
| chars[6] = 's'; |
| } |
| #endif |
| #ifdef S_ISVTX |
| if (bits & S_ISVTX) |
| { |
| if (chars[9] != 'x') |
| /* Sticky, but not executable by others. */ |
| chars[9] = 'T'; |
| else |
| chars[9] = 't'; |
| } |
| #endif |
| } |