xref: /freebsd/lib/libc/tests/nss/getusershell_test.c (revision 1f4bcc459a76b7aa664f3fd557684cd0ba6da352)
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 static enum test_methods method = TEST_GETUSERSHELL;
52 
53 DECLARE_TEST_DATA(usershell)
54 DECLARE_TEST_FILE_SNAPSHOT(usershell)
55 DECLARE_2PASS_TEST(usershell)
56 
57 static void clone_usershell(struct usershell *, struct usershell const *);
58 static int compare_usershell(struct usershell *, struct usershell *, void *);
59 static void free_usershell(struct usershell *);
60 
61 static void sdump_usershell(struct usershell *, char *, size_t);
62 static void dump_usershell(struct usershell *);
63 
64 IMPLEMENT_TEST_DATA(usershell)
65 IMPLEMENT_TEST_FILE_SNAPSHOT(usershell)
66 IMPLEMENT_2PASS_TEST(usershell)
67 
68 static void
69 clone_usershell(struct usershell *dest, struct usershell const *src)
70 {
71 	assert(dest != NULL);
72 	assert(src != NULL);
73 
74 	if (src->path != NULL) {
75 		dest->path = strdup(src->path);
76 		assert(dest->path != NULL);
77 	}
78 }
79 
80 static int
81 compare_usershell(struct usershell *us1, struct usershell *us2, void *mdata)
82 {
83 	int rv;
84 
85 	assert(us1 != NULL);
86 	assert(us2 != NULL);
87 
88 	dump_usershell(us1);
89 	dump_usershell(us2);
90 
91 	if (us1 == us2)
92 		return (0);
93 
94 	rv = strcmp(us1->path, us2->path);
95 	if (rv != 0) {
96 		printf("following structures are not equal:\n");
97 		dump_usershell(us1);
98 		dump_usershell(us2);
99 	}
100 
101 	return (rv);
102 }
103 
104 static void
105 free_usershell(struct usershell *us)
106 {
107 	free(us->path);
108 }
109 
110 static void
111 sdump_usershell(struct usershell *us, char *buffer, size_t buflen)
112 {
113 	snprintf(buffer, buflen, "%s", us->path);
114 }
115 
116 static void
117 dump_usershell(struct usershell *us)
118 {
119 	if (us != NULL) {
120 		char buffer[2048];
121 		sdump_usershell(us, buffer, sizeof(buffer));
122 		printf("%s\n", buffer);
123 	} else
124 		printf("(null)\n");
125 }
126 
127 static int
128 usershell_read_snapshot_func(struct usershell *us, char *line)
129 {
130 
131 	us->path = strdup(line);
132 	ATF_REQUIRE(us->path != NULL);
133 
134 	return (0);
135 }
136 
137 int
138 run_tests(const char *snapshot_file, enum test_methods method)
139 {
140 	struct usershell_test_data td, td_snap;
141 	struct usershell ushell;
142 	int rv;
143 
144 	rv = 0;
145 
146 	TEST_DATA_INIT(usershell, &td, clone_usershell, free_usershell);
147 	TEST_DATA_INIT(usershell, &td_snap, clone_usershell, free_usershell);
148 
149 	setusershell();
150 	while ((ushell.path = getusershell()) != NULL) {
151 		printf("usershell found:\n");
152 		dump_usershell(&ushell);
153 		TEST_DATA_APPEND(usershell, &td, &ushell);
154 	}
155 	endusershell();
156 
157 	if (snapshot_file != NULL) {
158 		if (access(snapshot_file, W_OK | R_OK) != 0) {
159 			if (errno == ENOENT)
160 				method = TEST_BUILD_SNAPSHOT;
161 			else {
162 				printf("can't access the snapshot file %s\n",
163 				    snapshot_file);
164 
165 				rv = -1;
166 				goto fin;
167 			}
168 		} else {
169 			rv = TEST_SNAPSHOT_FILE_READ(usershell, snapshot_file,
170 				&td_snap, usershell_read_snapshot_func);
171 			if (rv != 0) {
172 				printf("error reading snapshot file\n");
173 				goto fin;
174 			}
175 		}
176 	}
177 
178 	switch (method) {
179 	case TEST_GETUSERSHELL:
180 		rv = DO_2PASS_TEST(usershell, &td, &td_snap,
181 			compare_usershell, NULL);
182 		break;
183 	case TEST_BUILD_SNAPSHOT:
184 		if (snapshot_file != NULL) {
185 			rv = TEST_SNAPSHOT_FILE_WRITE(usershell, snapshot_file,
186 			    &td, sdump_usershell);
187 		}
188 		break;
189 	default:
190 		rv = 0;
191 		break;
192 	}
193 
194 fin:
195 	TEST_DATA_DESTROY(usershell, &td_snap);
196 	TEST_DATA_DESTROY(usershell, &td);
197 
198 	return (rv);
199 }
200 
201 #define	SNAPSHOT_FILE	"snapshot_usershell"
202 
203 ATF_TC_WITHOUT_HEAD(getusershell_with_snapshot);
204 ATF_TC_BODY(getusershell_with_snapshot, tc)
205 {
206 
207 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
208 }
209 
210 ATF_TC_WITHOUT_HEAD(getusershell_with_two_pass);
211 ATF_TC_BODY(getusershell_with_two_pass, tc)
212 {
213 
214 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
215 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETUSERSHELL) == 0);
216 }
217 
218 ATF_TP_ADD_TCS(tp)
219 {
220 
221 	ATF_TP_ADD_TC(tp, getusershell_with_snapshot);
222 	ATF_TP_ADD_TC(tp, getusershell_with_two_pass);
223 
224 	return (atf_no_error());
225 }
226