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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* ALTERNATIVELY, this product may be distributed under the terms of
* the GNU Public License, in which case the provisions of the GPL are
* required INSTEAD OF the above restrictions. (This clause is
* necessary due to a potential bad interaction between the GPL and
* the restrictions contained in a BSD-style copyright.)
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
test case:
Check the following line in limits.conf:
* soft nice 19
* hard nice -20
getrlimit should return soft=1 and hard=40.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <security/pam_appl.h>
/* A conversation function which uses an internally-stored value for
the responses. */
static int
fake_conv (int num_msg, const struct pam_message **msgm UNUSED,
struct pam_response **response, void *appdata_ptr UNUSED)
{
struct pam_response *reply;
int count;
/* Sanity test. */
if (num_msg <= 0)
return PAM_CONV_ERR;
/* Allocate memory for the responses. */
reply = calloc (num_msg, sizeof (struct pam_response));
if (reply == NULL)
return PAM_CONV_ERR;
/* Each prompt elicits the same response. */
for (count = 0; count < num_msg; ++count)
{
reply[count].resp_retcode = 0;
reply[count].resp = strdup ("!!");
}
/* Set the pointers in the response structure and return. */
*response = reply;
return PAM_SUCCESS;
}
static struct pam_conv conv = {
fake_conv,
NULL
};
int
main(int argc, char *argv[])
{
pam_handle_t *pamh = NULL;
const char *user="tstpamlimits";
int retval;
int debug = 0;
if (argc > 1 && strcmp (argv[1], "-d") == 0)
debug = 1;
#ifdef RLIMIT_NICE
retval = pam_start("tst-pam_limits1", user, &conv, &pamh);
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr, "pam_limits1: pam_start returned %d\n", retval);
return 1;
}
retval = pam_set_item (pamh, PAM_TTY, "/dev/tty1");
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr,
"pam_limits1: pam_set_item(PAM_TTY) returned %d\n",
retval);
return 1;
}
retval = pam_open_session (pamh, 0);
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr, "pam_limits1: pam_open_session returned %d\n",
retval);
return 1;
}
struct rlimit rlim;
getrlimit (RLIMIT_NICE, &rlim);
if (rlim.rlim_cur != 1 && rlim.rlim_max != 40)
{
if (debug)
fprintf (stderr, "pam_limits1: getrlimit failed, soft=%u, hard=%u\n",
(unsigned int) rlim.rlim_cur, (unsigned int) rlim.rlim_max);
return 1;
}
retval = pam_end (pamh,retval);
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr, "pam_limits1: pam_end returned %d\n", retval);
return 1;
}
return 0;
#else
if (debug)
fprintf (stderr, "pam_limits1: RLIMIT_NICE does not exist)\n");
return 77;
#endif
}
|