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
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*
Unix SMB/CIFS implementation.
Stress test for parallel NSS & libwbclient calls.
Copyright (C) Ralph Wuerthner 2018
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <pthread.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include <stdlib.h>
#include <sys/types.h>
#include <pwd.h>
#include <wbclient.h>
#define RUNTIME 10
struct thread_state {
const char *username;
time_t timeout;
pthread_mutex_t lock;
bool fail;
int nss_loop_count;
int wbc_loop_count;
};
static void *query_nss_thread(void *ptr)
{
struct thread_state *state = ptr;
char buf[1024];
int rc;
struct passwd pwd, *result;
while (time(NULL) < state->timeout) {
rc = getpwnam_r(state->username,
&pwd,
buf,
sizeof(buf),
&result);
if (rc != 0 || result == NULL) {
pthread_mutex_lock(&state->lock);
state->fail = true;
pthread_mutex_unlock(&state->lock);
fprintf(stderr,
"getpwnam_r failed with rc='%s' result=%p\n",
strerror(rc),
result);
break;
}
state->nss_loop_count++;
pthread_mutex_lock(&state->lock);
if (state->fail) {
pthread_mutex_unlock(&state->lock);
break;
}
pthread_mutex_unlock(&state->lock);
}
return NULL;
}
static void *query_wbc_thread(void *ptr)
{
struct thread_state *state = ptr;
struct passwd *ppwd;
wbcErr wbc_status;
while (time(NULL) < state->timeout) {
wbc_status = wbcGetpwnam(state->username, &ppwd);
if (!WBC_ERROR_IS_OK(wbc_status)) {
pthread_mutex_lock(&state->lock);
state->fail = true;
pthread_mutex_unlock(&state->lock);
fprintf(stderr,
"wbcGetpwnam failed with %s\n",
wbcErrorString(wbc_status));
break;
}
wbcFreeMemory(ppwd);
state->wbc_loop_count++;
pthread_mutex_lock(&state->lock);
if (state->fail) {
pthread_mutex_unlock(&state->lock);
break;
}
pthread_mutex_unlock(&state->lock);
}
return NULL;
}
int main(int argc, char *argv[])
{
int rc, n;
struct thread_state state;
pthread_t threads[2];
if (argc < 2 ) {
fprintf(stderr,"%s: missing domain user\n", argv[0]);
return 1;
}
state.username = argv[1];
state.timeout = time(NULL) + RUNTIME;
rc = pthread_mutex_init(&state.lock, NULL);
if (rc != 0) {
fprintf(stderr,
"pthread_mutex_init failed: %s\n",
strerror(rc));
exit(1);
}
state.fail = false;
state.nss_loop_count = 0;
state.wbc_loop_count = 0;
printf("query domain user '%s'\n", state.username);
/* create query threads */
rc = pthread_create(&threads[0], NULL, query_nss_thread, &state);
if (rc != 0) {
fprintf(stderr,
"creating NSS thread failed: %s\n",
strerror(rc));
exit(1);
}
rc = pthread_create(&threads[1], NULL, query_wbc_thread, &state);
if (rc != 0) {
fprintf(stderr,
"creating libwbclient thread failed: %s\n",
strerror(rc));
exit(1);
}
/* wait for query threads to terminate */
for (n = 0; n < 2; n++) {
rc = pthread_join(threads[n], NULL);
if (rc != 0) {
fprintf(stderr,
"joining query thread %i failed: %s\n",
n,
strerror(rc));
exit(1);
}
}
fprintf(state.fail ? stderr: stdout,
"test %s with %i NSS and %i libwbclient calls\n",
state.fail ? "failed" : "passed",
state.nss_loop_count,
state.wbc_loop_count);
return state.fail;
}
|
