1 /*
2 * SysDB - t/frontend/connection_test.c
3 * Copyright (C) 2014 Sebastian 'tokkee' Harl <sh@tokkee.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
28 #if HAVE_CONFIG_H
29 # include "config.h"
30 #endif /* HAVE_CONFIG_H */
32 #include "frontend/connection.h"
33 #include "frontend/connection-private.h"
34 #include "libsysdb_test.h"
36 #include "utils/strbuf.h"
38 #include <check.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <unistd.h>
44 #include <pthread.h>
46 #include <sys/types.h>
47 #include <sys/socket.h>
48 #include <sys/un.h>
50 /*
51 * private helper functions
52 */
54 static void
55 mock_conn_destroy(sdb_conn_t *conn)
56 {
57 if (SDB_OBJ(conn)->name)
58 free(SDB_OBJ(conn)->name);
59 sdb_strbuf_destroy(conn->buf);
60 sdb_strbuf_destroy(conn->errbuf);
61 if (conn->fd >= 0)
62 close(conn->fd);
63 free(conn);
64 } /* mock_conn_destroy */
66 static sdb_conn_t *
67 mock_conn_create(void)
68 {
69 sdb_conn_t *conn;
71 char tmp_file[] = "connection_test_socket.XXXXXX";
73 conn = calloc(1, sizeof(*conn));
74 if (! conn) {
75 fail("INTERNAL ERROR: failed to allocate connection object");
76 return NULL;
77 }
79 SDB_OBJ(conn)->name = strdup("mock_connection");
80 SDB_OBJ(conn)->ref_cnt = 1;
82 conn->buf = sdb_strbuf_create(0);
83 conn->errbuf = sdb_strbuf_create(0);
84 if ((! conn->buf) || (! conn->errbuf)) {
85 mock_conn_destroy(conn);
86 fail("INTERNAL ERROR: failed to allocate connection object");
87 return NULL;
88 }
90 conn->fd = mkstemp(tmp_file);
91 if (conn->fd < 0) {
92 mock_conn_destroy(conn);
93 fail("INTERNAL ERROR: failed to allocate connection object");
94 return NULL;
95 }
97 unlink(tmp_file);
99 conn->cmd = CONNECTION_IDLE;
100 conn->cmd_len = 0;
101 return conn;
102 } /* mock_conn_create */
104 static void
105 mock_conn_rewind(sdb_conn_t *conn)
106 {
107 lseek(conn->fd, 0, SEEK_SET);
108 } /* mock_conn_rewind */
110 static void
111 mock_conn_truncate(sdb_conn_t *conn)
112 {
113 lseek(conn->fd, 0, SEEK_SET);
114 ftruncate(conn->fd, 0);
115 } /* mock_conn_truncate */
117 static int
118 mock_unixsock_listener(char *sock_path)
119 {
120 struct sockaddr_un sa;
121 char *filename;
122 int fd, status;
124 filename = tmpnam(sock_path);
125 fail_unless(filename != NULL,
126 "INTERNAL ERROR: tmpnam() = NULL; expected: a string");
128 fd = socket(AF_UNIX, SOCK_STREAM, 0);
129 fail_unless(fd >= 0,
130 "INTERNAL ERROR: socket() = %d; expected: >=0", fd);
132 memset(&sa, 0, sizeof(sa));
133 sa.sun_family = AF_UNIX;
134 strncpy(sa.sun_path, filename, sizeof(sa.sun_path));
136 status = bind(fd, (struct sockaddr *)&sa, sizeof(sa));
137 fail_unless(status == 0,
138 "INTERNAL ERROR: bind() = %d; expected: 0", status);
139 status = listen(fd, 32);
140 fail_unless(status == 0,
141 "INTERNAL ERROR: listen() = %d; expected: 0", status);
143 return fd;
144 } /* mock_unixsock */
146 static void *
147 mock_client(void *arg)
148 {
149 char *socket_path = arg;
151 struct sockaddr_un sa;
152 int fd, check;
154 fd = socket(AF_UNIX, SOCK_STREAM, /* protocol = */ 0);
155 fail_unless(fd >= 0,
156 "INTERNAL ERROR: socket() = %d; expected: >= 0", fd);
158 memset(&sa, 0, sizeof(sa));
159 sa.sun_family = AF_UNIX;
160 strncpy(sa.sun_path, socket_path, sizeof(sa.sun_path));
162 check = connect(fd, (struct sockaddr *)&sa, sizeof(sa));
163 fail_unless(check == 0,
164 "INTERNAL ERROR: connect() = %d; expected: 0", check);
166 close(fd);
167 return NULL;
168 } /* mock_client */
170 /*
171 * tests
172 */
174 START_TEST(test_conn_accept)
175 {
176 char socket_path[L_tmpnam];
177 int fd, check;
179 sdb_conn_t *conn;
181 pthread_t thr;
183 conn = sdb_connection_accept(-1);
184 fail_unless(conn == NULL,
185 "sdb_connection_accept(-1) = %p; expected: NULL", conn);
187 memset(&socket_path, 0, sizeof(socket_path));
188 fd = mock_unixsock_listener(socket_path);
189 check = pthread_create(&thr, /* attr = */ NULL, mock_client, socket_path);
190 fail_unless(check == 0,
191 "INTERNAL ERROR: pthread_create() = %i; expected: 0", check);
193 conn = sdb_connection_accept(fd);
194 fail_unless(conn != NULL,
195 "sdb_connection_accept(%d) = %p; expected: <conn>", fd, conn);
197 unlink(socket_path);
198 sdb_connection_close(conn);
199 pthread_join(thr, NULL);
200 }
201 END_TEST
203 START_TEST(test_conn_setup)
204 {
205 sdb_conn_t *conn = mock_conn_create();
207 struct {
208 uint32_t code;
209 const char *msg;
210 const char *err;
211 } golden_data[] = {
212 { UINT32_MAX, NULL, NULL },
213 { CONNECTION_IDLE, "fakedata", NULL },
214 { CONNECTION_PING, NULL, "Authentication required" },
215 { CONNECTION_STARTUP, "fakeuser", NULL },
216 { CONNECTION_PING, NULL, NULL },
217 { CONNECTION_IDLE, NULL, NULL },
218 { CONNECTION_PING, "fakedata", NULL },
219 { CONNECTION_IDLE, NULL, NULL },
220 };
222 size_t i;
224 for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data); ++i) {
225 ssize_t check, expected = 0;
227 mock_conn_truncate(conn);
229 if (golden_data[i].code != UINT32_MAX) {
230 expected = 2 * sizeof(uint32_t)
231 + (golden_data[i].msg ? strlen(golden_data[i].msg) : 0);
233 check = sdb_connection_send(conn, golden_data[i].code,
234 (uint32_t)(golden_data[i].msg
235 ? strlen(golden_data[i].msg) : 0),
236 golden_data[i].msg);
237 fail_unless(check == expected,
238 "sdb_connection_send(%d, %s) = %zi; expected: %zi",
239 golden_data[i].code,
240 golden_data[i].msg ? golden_data[i].msg : "<null>",
241 check, expected);
242 }
244 mock_conn_rewind(conn);
245 check = sdb_connection_read(conn);
246 fail_unless(check == expected,
247 "sdb_connection_read() = %zi; expected: %zi",
248 check, expected);
250 fail_unless(sdb_strbuf_len(conn->buf) == 0,
251 "sdb_connection_read() left %zu bytes in the buffer; "
252 "expected: 0", sdb_strbuf_len(conn->buf));
254 if (golden_data[i].err) {
255 const char *err = sdb_strbuf_string(conn->errbuf);
256 fail_unless(strcmp(err, golden_data[i].err) == 0,
257 "sdb_connection_read(): got error '%s'; "
258 "expected: '%s'", err, golden_data[i].err);
259 }
260 else
261 fail_unless(sdb_strbuf_len(conn->errbuf) == 0,
262 "sdb_connection_read() left %zu bytes in the error "
263 "buffer; expected: 0", sdb_strbuf_len(conn->errbuf));
264 }
266 mock_conn_destroy(conn);
267 }
268 END_TEST
270 Suite *
271 fe_conn_suite(void)
272 {
273 Suite *s = suite_create("frontend::connection");
274 TCase *tc;
276 tc = tcase_create("core");
277 tcase_add_test(tc, test_conn_accept);
278 tcase_add_test(tc, test_conn_setup);
279 suite_add_tcase(s, tc);
281 return s;
282 } /* fe_conn_suite */
284 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */