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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #pragma once | |
4 | ||
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2010 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
11 | under the terms of the GNU Lesser General Public License as published by | |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | Lesser General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU Lesser General Public License | |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
22 | ***/ | |
23 | ||
4f5dd394 | 24 | #include <inttypes.h> |
71d35b6b | 25 | #include <sys/types.h> |
4f5dd394 LP |
26 | |
27 | /* What characters are special in the shell? */ | |
28 | /* must be escaped outside and inside double-quotes */ | |
29 | #define SHELL_NEED_ESCAPE "\"\\`$" | |
30 | /* can be escaped or double-quoted */ | |
31 | #define SHELL_NEED_QUOTES SHELL_NEED_ESCAPE GLOB_CHARS "'()<>|&;" | |
32 | ||
33 | typedef enum UnescapeFlags { | |
34 | UNESCAPE_RELAX = 1, | |
35 | } UnescapeFlags; | |
36 | ||
37 | char *cescape(const char *s); | |
38 | size_t cescape_char(char c, char *buf); | |
39 | ||
40 | int cunescape(const char *s, UnescapeFlags flags, char **ret); | |
41 | int cunescape_length(const char *s, size_t length, UnescapeFlags flags, char **ret); | |
42 | int cunescape_length_with_prefix(const char *s, size_t length, const char *prefix, UnescapeFlags flags, char **ret); | |
43 | int cunescape_one(const char *p, size_t length, char *ret, uint32_t *ret_unicode); | |
44 | ||
45 | char *xescape(const char *s, const char *bad); | |
46 | ||
47 | char *shell_escape(const char *s, const char *bad); | |
48 | char *shell_maybe_quote(const char *s); |