| 1 | /* |
| 2 | * A single utility routine. |
| 3 | * |
| 4 | * Copyright (C) 1996 Andrew Tridgell |
| 5 | * Copyright (C) 1996 Paul Mackerras |
| 6 | * Copyright (C) 2001 Martin Pool <mbp@samba.org> |
| 7 | * Copyright (C) 2003, 2006 Wayne Davison |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License along |
| 20 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 21 | * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. |
| 22 | */ |
| 23 | |
| 24 | #include "rsync.h" |
| 25 | |
| 26 | /* Produce a string representation of Unix mode bits like that used by ls(1). |
| 27 | * The "buf" buffer must be at least 11 characters. */ |
| 28 | void permstring(char *perms, mode_t mode) |
| 29 | { |
| 30 | static const char *perm_map = "rwxrwxrwx"; |
| 31 | int i; |
| 32 | |
| 33 | strcpy(perms, "----------"); |
| 34 | |
| 35 | for (i = 0; i < 9; i++) { |
| 36 | if (mode & (1 << i)) |
| 37 | perms[9-i] = perm_map[8-i]; |
| 38 | } |
| 39 | |
| 40 | /* Handle setuid/sticky bits. You might think the indices are |
| 41 | * off by one, but remember there's a type char at the |
| 42 | * start. */ |
| 43 | if (mode & S_ISUID) |
| 44 | perms[3] = (mode & S_IXUSR) ? 's' : 'S'; |
| 45 | |
| 46 | if (mode & S_ISGID) |
| 47 | perms[6] = (mode & S_IXGRP) ? 's' : 'S'; |
| 48 | |
| 49 | #ifdef S_ISVTX |
| 50 | if (mode & S_ISVTX) |
| 51 | perms[9] = (mode & S_IXOTH) ? 't' : 'T'; |
| 52 | #endif |
| 53 | |
| 54 | if (S_ISDIR(mode)) |
| 55 | perms[0] = 'd'; |
| 56 | else if (S_ISLNK(mode)) |
| 57 | perms[0] = 'l'; |
| 58 | else if (S_ISBLK(mode)) |
| 59 | perms[0] = 'b'; |
| 60 | else if (S_ISCHR(mode)) |
| 61 | perms[0] = 'c'; |
| 62 | else if (S_ISSOCK(mode)) |
| 63 | perms[0] = 's'; |
| 64 | else if (S_ISFIFO(mode)) |
| 65 | perms[0] = 'p'; |
| 66 | } |