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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
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2 | |
3 | #include <errno.h> | |
dccca82b | 4 | #include <stdio.h> |
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5 | |
6 | #include "alloc-util.h" | |
7 | #include "extract-word.h" | |
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8 | #include "securebits-util.h" |
9 | #include "string-util.h" | |
10 | ||
11 | int secure_bits_to_string_alloc(int i, char **s) { | |
12 | _cleanup_free_ char *str = NULL; | |
13 | size_t len; | |
14 | int r; | |
15 | ||
16 | assert(s); | |
17 | ||
18 | r = asprintf(&str, "%s%s%s%s%s%s", | |
19 | (i & (1 << SECURE_KEEP_CAPS)) ? "keep-caps " : "", | |
20 | (i & (1 << SECURE_KEEP_CAPS_LOCKED)) ? "keep-caps-locked " : "", | |
21 | (i & (1 << SECURE_NO_SETUID_FIXUP)) ? "no-setuid-fixup " : "", | |
22 | (i & (1 << SECURE_NO_SETUID_FIXUP_LOCKED)) ? "no-setuid-fixup-locked " : "", | |
23 | (i & (1 << SECURE_NOROOT)) ? "noroot " : "", | |
24 | (i & (1 << SECURE_NOROOT_LOCKED)) ? "noroot-locked " : ""); | |
25 | if (r < 0) | |
26 | return -ENOMEM; | |
27 | ||
28 | len = strlen(str); | |
29 | if (len != 0) | |
30 | str[len - 1] = '\0'; | |
31 | ||
ae2a15bc | 32 | *s = TAKE_PTR(str); |
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33 | |
34 | return 0; | |
35 | } | |
36 | ||
37 | int secure_bits_from_string(const char *s) { | |
38 | int secure_bits = 0; | |
39 | const char *p; | |
40 | int r; | |
41 | ||
42 | for (p = s;;) { | |
43 | _cleanup_free_ char *word = NULL; | |
44 | ||
45 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
46 | if (r == -ENOMEM) | |
47 | return r; | |
48 | if (r <= 0) | |
49 | break; | |
50 | ||
51 | if (streq(word, "keep-caps")) | |
52 | secure_bits |= 1 << SECURE_KEEP_CAPS; | |
53 | else if (streq(word, "keep-caps-locked")) | |
54 | secure_bits |= 1 << SECURE_KEEP_CAPS_LOCKED; | |
55 | else if (streq(word, "no-setuid-fixup")) | |
56 | secure_bits |= 1 << SECURE_NO_SETUID_FIXUP; | |
57 | else if (streq(word, "no-setuid-fixup-locked")) | |
58 | secure_bits |= 1 << SECURE_NO_SETUID_FIXUP_LOCKED; | |
59 | else if (streq(word, "noroot")) | |
60 | secure_bits |= 1 << SECURE_NOROOT; | |
61 | else if (streq(word, "noroot-locked")) | |
62 | secure_bits |= 1 << SECURE_NOROOT_LOCKED; | |
63 | } | |
64 | ||
65 | return secure_bits; | |
66 | } |