1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2019-2020, 2023 Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This is an open source non-commercial project. Dear PVS-Studio, please check it.
* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pwd.h>
#include <sudoers.h>
/*
* Check whether specified runchroot matches def_runchroot.
* Returns true if matched, false if not matched and -1 on error.
*/
int
check_user_runchroot(const char *runchroot)
{
debug_decl(check_user_runchroot, SUDOERS_DEBUG_AUTH);
if (runchroot == NULL)
debug_return_bool(true);
sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO,
"def_runchroot %s, runchroot %s",
def_runchroot ? def_runchroot : "none", runchroot ? runchroot : "none");
/* User may only specify a root dir if runchroot is "*" */
if (def_runchroot == NULL || strcmp(def_runchroot, "*") != 0)
debug_return_bool(false);
free(def_runchroot);
if ((def_runchroot = strdup(runchroot)) == NULL) {
sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
debug_return_int(-1);
}
debug_return_bool(true);
}
/*
* Check whether specified runcwd matches def_runcwd.
* Returns true if matched, false if not matched and -1 on error.
*/
int
check_user_runcwd(const char *runcwd)
{
debug_decl(check_user_runcwd, SUDOERS_DEBUG_AUTH);
if (runcwd == NULL)
debug_return_bool(true);
sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO,
"def_runcwd %s, runcwd %s", def_runcwd ? def_runcwd : "none",
runcwd ? runcwd : "none");
/* User may only specify a cwd if runcwd is "*" */
if (def_runcwd == NULL || strcmp(def_runcwd, "*") != 0)
debug_return_bool(false);
free(def_runcwd);
if ((def_runcwd = strdup(runcwd)) == NULL) {
sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
debug_return_int(-1);
}
debug_return_bool(true);
}
|
