xref: /freebsd/lib/libc/tests/nss/getusershell_test.c (revision d6b92ffa)
1 /*-
2  * Copyright (c) 2006 Michael Bushkov <bushman@freebsd.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  */
27 
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30 
31 #include <assert.h>
32 #include <errno.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <unistd.h>
37 
38 #include <atf-c.h>
39 
40 #include "testutil.h"
41 
42 enum test_methods {
43 	TEST_GETUSERSHELL,
44 	TEST_BUILD_SNAPSHOT
45 };
46 
47 struct usershell {
48 	char *path;
49 };
50 
51 DECLARE_TEST_DATA(usershell)
52 DECLARE_TEST_FILE_SNAPSHOT(usershell)
53 DECLARE_2PASS_TEST(usershell)
54 
55 static void clone_usershell(struct usershell *, struct usershell const *);
56 static int compare_usershell(struct usershell *, struct usershell *, void *);
57 static void free_usershell(struct usershell *);
58 
59 static void sdump_usershell(struct usershell *, char *, size_t);
60 static void dump_usershell(struct usershell *);
61 
62 IMPLEMENT_TEST_DATA(usershell)
63 IMPLEMENT_TEST_FILE_SNAPSHOT(usershell)
64 IMPLEMENT_2PASS_TEST(usershell)
65 
66 static void
67 clone_usershell(struct usershell *dest, struct usershell const *src)
68 {
69 	assert(dest != NULL);
70 	assert(src != NULL);
71 
72 	if (src->path != NULL) {
73 		dest->path = strdup(src->path);
74 		assert(dest->path != NULL);
75 	}
76 }
77 
78 static int
79 compare_usershell(struct usershell *us1, struct usershell *us2,
80     void *mdata __unused)
81 {
82 	int rv;
83 
84 	assert(us1 != NULL);
85 	assert(us2 != NULL);
86 
87 	dump_usershell(us1);
88 	dump_usershell(us2);
89 
90 	if (us1 == us2)
91 		return (0);
92 
93 	rv = strcmp(us1->path, us2->path);
94 	if (rv != 0) {
95 		printf("following structures are not equal:\n");
96 		dump_usershell(us1);
97 		dump_usershell(us2);
98 	}
99 
100 	return (rv);
101 }
102 
103 static void
104 free_usershell(struct usershell *us)
105 {
106 	free(us->path);
107 }
108 
109 static void
110 sdump_usershell(struct usershell *us, char *buffer, size_t buflen)
111 {
112 	snprintf(buffer, buflen, "%s", us->path);
113 }
114 
115 static void
116 dump_usershell(struct usershell *us)
117 {
118 	if (us != NULL) {
119 		char buffer[2048];
120 		sdump_usershell(us, buffer, sizeof(buffer));
121 		printf("%s\n", buffer);
122 	} else
123 		printf("(null)\n");
124 }
125 
126 static int
127 usershell_read_snapshot_func(struct usershell *us, char *line)
128 {
129 
130 	us->path = strdup(line);
131 	ATF_REQUIRE(us->path != NULL);
132 
133 	return (0);
134 }
135 
136 static int
137 run_tests(const char *snapshot_file, enum test_methods method)
138 {
139 	struct usershell_test_data td, td_snap;
140 	struct usershell ushell;
141 	int rv;
142 
143 	rv = 0;
144 
145 	TEST_DATA_INIT(usershell, &td, clone_usershell, free_usershell);
146 	TEST_DATA_INIT(usershell, &td_snap, clone_usershell, free_usershell);
147 
148 	setusershell();
149 	while ((ushell.path = getusershell()) != NULL) {
150 		printf("usershell found:\n");
151 		dump_usershell(&ushell);
152 		TEST_DATA_APPEND(usershell, &td, &ushell);
153 	}
154 	endusershell();
155 
156 	if (snapshot_file != NULL) {
157 		if (access(snapshot_file, W_OK | R_OK) != 0) {
158 			if (errno == ENOENT)
159 				method = TEST_BUILD_SNAPSHOT;
160 			else {
161 				printf("can't access the snapshot file %s\n",
162 				    snapshot_file);
163 
164 				rv = -1;
165 				goto fin;
166 			}
167 		} else {
168 			rv = TEST_SNAPSHOT_FILE_READ(usershell, snapshot_file,
169 				&td_snap, usershell_read_snapshot_func);
170 			if (rv != 0) {
171 				printf("error reading snapshot file\n");
172 				goto fin;
173 			}
174 		}
175 	}
176 
177 	switch (method) {
178 	case TEST_GETUSERSHELL:
179 		rv = DO_2PASS_TEST(usershell, &td, &td_snap,
180 			compare_usershell, NULL);
181 		break;
182 	case TEST_BUILD_SNAPSHOT:
183 		if (snapshot_file != NULL) {
184 			rv = TEST_SNAPSHOT_FILE_WRITE(usershell, snapshot_file,
185 			    &td, sdump_usershell);
186 		}
187 		break;
188 	default:
189 		rv = 0;
190 		break;
191 	}
192 
193 fin:
194 	TEST_DATA_DESTROY(usershell, &td_snap);
195 	TEST_DATA_DESTROY(usershell, &td);
196 
197 	return (rv);
198 }
199 
200 #define	SNAPSHOT_FILE	"snapshot_usershell"
201 
202 ATF_TC_WITHOUT_HEAD(getusershell_with_snapshot);
203 ATF_TC_BODY(getusershell_with_snapshot, tc)
204 {
205 
206 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
207 }
208 
209 ATF_TC_WITHOUT_HEAD(getusershell_with_two_pass);
210 ATF_TC_BODY(getusershell_with_two_pass, tc)
211 {
212 
213 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
214 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETUSERSHELL) == 0);
215 }
216 
217 ATF_TP_ADD_TCS(tp)
218 {
219 
220 	ATF_TP_ADD_TC(tp, getusershell_with_snapshot);
221 	ATF_TP_ADD_TC(tp, getusershell_with_two_pass);
222 
223 	return (atf_no_error());
224 }
225