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/* SPDX-License-Identifier: LGPL-2.1+ */
#include <errno.h>
#include <stdio.h>
#include "alloc-util.h"
#include "extract-word.h"
#include "securebits.h"
#include "securebits-util.h"
#include "string-util.h"
int secure_bits_to_string_alloc(int i, char **s) {
_cleanup_free_ char *str = NULL;
size_t len;
int r;
assert(s);
r = asprintf(&str, "%s%s%s%s%s%s",
(i & (1 << SECURE_KEEP_CAPS)) ? "keep-caps " : "",
(i & (1 << SECURE_KEEP_CAPS_LOCKED)) ? "keep-caps-locked " : "",
(i & (1 << SECURE_NO_SETUID_FIXUP)) ? "no-setuid-fixup " : "",
(i & (1 << SECURE_NO_SETUID_FIXUP_LOCKED)) ? "no-setuid-fixup-locked " : "",
(i & (1 << SECURE_NOROOT)) ? "noroot " : "",
(i & (1 << SECURE_NOROOT_LOCKED)) ? "noroot-locked " : "");
if (r < 0)
return -ENOMEM;
len = strlen(str);
if (len != 0)
str[len - 1] = '\0';
*s = TAKE_PTR(str);
return 0;
}
int secure_bits_from_string(const char *s) {
int secure_bits = 0;
const char *p;
int r;
for (p = s;;) {
_cleanup_free_ char *word = NULL;
r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
if (r == -ENOMEM)
return r;
if (r <= 0)
break;
if (streq(word, "keep-caps"))
secure_bits |= 1 << SECURE_KEEP_CAPS;
else if (streq(word, "keep-caps-locked"))
secure_bits |= 1 << SECURE_KEEP_CAPS_LOCKED;
else if (streq(word, "no-setuid-fixup"))
secure_bits |= 1 << SECURE_NO_SETUID_FIXUP;
else if (streq(word, "no-setuid-fixup-locked"))
secure_bits |= 1 << SECURE_NO_SETUID_FIXUP_LOCKED;
else if (streq(word, "noroot"))
secure_bits |= 1 << SECURE_NOROOT;
else if (streq(word, "noroot-locked"))
secure_bits |= 1 << SECURE_NOROOT_LOCKED;
}
return secure_bits;
}
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