xref: /freebsd/lib/libc/tests/nss/getusershell_test.c (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
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 <assert.h>
29 #include <errno.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <unistd.h>
34 
35 #include <atf-c.h>
36 
37 #include "testutil.h"
38 
39 enum test_methods {
40 	TEST_GETUSERSHELL,
41 	TEST_BUILD_SNAPSHOT
42 };
43 
44 struct usershell {
45 	char *path;
46 };
47 
48 DECLARE_TEST_DATA(usershell)
49 DECLARE_TEST_FILE_SNAPSHOT(usershell)
50 DECLARE_2PASS_TEST(usershell)
51 
52 static void clone_usershell(struct usershell *, struct usershell const *);
53 static int compare_usershell(struct usershell *, struct usershell *, void *);
54 static void free_usershell(struct usershell *);
55 
56 static void sdump_usershell(struct usershell *, char *, size_t);
57 static void dump_usershell(struct usershell *);
58 
59 IMPLEMENT_TEST_DATA(usershell)
60 IMPLEMENT_TEST_FILE_SNAPSHOT(usershell)
61 IMPLEMENT_2PASS_TEST(usershell)
62 
63 static void
64 clone_usershell(struct usershell *dest, struct usershell const *src)
65 {
66 	assert(dest != NULL);
67 	assert(src != NULL);
68 
69 	if (src->path != NULL) {
70 		dest->path = strdup(src->path);
71 		assert(dest->path != NULL);
72 	}
73 }
74 
75 static int
76 compare_usershell(struct usershell *us1, struct usershell *us2,
77     void *mdata __unused)
78 {
79 	int rv;
80 
81 	assert(us1 != NULL);
82 	assert(us2 != NULL);
83 
84 	dump_usershell(us1);
85 	dump_usershell(us2);
86 
87 	if (us1 == us2)
88 		return (0);
89 
90 	rv = strcmp(us1->path, us2->path);
91 	if (rv != 0) {
92 		printf("following structures are not equal:\n");
93 		dump_usershell(us1);
94 		dump_usershell(us2);
95 	}
96 
97 	return (rv);
98 }
99 
100 static void
101 free_usershell(struct usershell *us)
102 {
103 	free(us->path);
104 }
105 
106 static void
107 sdump_usershell(struct usershell *us, char *buffer, size_t buflen)
108 {
109 	snprintf(buffer, buflen, "%s", us->path);
110 }
111 
112 static void
113 dump_usershell(struct usershell *us)
114 {
115 	if (us != NULL) {
116 		char buffer[2048];
117 		sdump_usershell(us, buffer, sizeof(buffer));
118 		printf("%s\n", buffer);
119 	} else
120 		printf("(null)\n");
121 }
122 
123 static int
124 usershell_read_snapshot_func(struct usershell *us, char *line)
125 {
126 
127 	us->path = strdup(line);
128 	ATF_REQUIRE(us->path != NULL);
129 
130 	return (0);
131 }
132 
133 static int
134 run_tests(const char *snapshot_file, enum test_methods method)
135 {
136 	struct usershell_test_data td, td_snap;
137 	struct usershell ushell;
138 	int rv;
139 
140 	rv = 0;
141 
142 	TEST_DATA_INIT(usershell, &td, clone_usershell, free_usershell);
143 	TEST_DATA_INIT(usershell, &td_snap, clone_usershell, free_usershell);
144 
145 	setusershell();
146 	while ((ushell.path = getusershell()) != NULL) {
147 		printf("usershell found:\n");
148 		dump_usershell(&ushell);
149 		TEST_DATA_APPEND(usershell, &td, &ushell);
150 	}
151 	endusershell();
152 
153 	if (snapshot_file != NULL) {
154 		if (access(snapshot_file, W_OK | R_OK) != 0) {
155 			if (errno == ENOENT)
156 				method = TEST_BUILD_SNAPSHOT;
157 			else {
158 				printf("can't access the snapshot file %s\n",
159 				    snapshot_file);
160 
161 				rv = -1;
162 				goto fin;
163 			}
164 		} else {
165 			rv = TEST_SNAPSHOT_FILE_READ(usershell, snapshot_file,
166 				&td_snap, usershell_read_snapshot_func);
167 			if (rv != 0) {
168 				printf("error reading snapshot file\n");
169 				goto fin;
170 			}
171 		}
172 	}
173 
174 	switch (method) {
175 	case TEST_GETUSERSHELL:
176 		rv = DO_2PASS_TEST(usershell, &td, &td_snap,
177 			compare_usershell, NULL);
178 		break;
179 	case TEST_BUILD_SNAPSHOT:
180 		if (snapshot_file != NULL) {
181 			rv = TEST_SNAPSHOT_FILE_WRITE(usershell, snapshot_file,
182 			    &td, sdump_usershell);
183 		}
184 		break;
185 	default:
186 		rv = 0;
187 		break;
188 	}
189 
190 fin:
191 	TEST_DATA_DESTROY(usershell, &td_snap);
192 	TEST_DATA_DESTROY(usershell, &td);
193 
194 	return (rv);
195 }
196 
197 #define	SNAPSHOT_FILE	"snapshot_usershell"
198 
199 ATF_TC_WITHOUT_HEAD(getusershell_with_snapshot);
200 ATF_TC_BODY(getusershell_with_snapshot, tc)
201 {
202 
203 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
204 }
205 
206 ATF_TC_WITHOUT_HEAD(getusershell_with_two_pass);
207 ATF_TC_BODY(getusershell_with_two_pass, tc)
208 {
209 
210 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
211 	ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETUSERSHELL) == 0);
212 }
213 
214 ATF_TP_ADD_TCS(tp)
215 {
216 
217 	ATF_TP_ADD_TC(tp, getusershell_with_snapshot);
218 	ATF_TP_ADD_TC(tp, getusershell_with_two_pass);
219 
220 	return (atf_no_error());
221 }
222