1 /* $OpenBSD: test_expand.c,v 1.3 2021/12/14 21:25:27 deraadt Exp $ */
2 /*
3 * Regress test for misc string expansion functions.
4 *
5 * Placed in the public domain.
6 */
7
8 #include "includes.h"
9
10 #include <sys/types.h>
11 #include <stdio.h>
12 #ifdef HAVE_STDINT_H
13 #include <stdint.h>
14 #endif
15 #include <stdlib.h>
16 #include <string.h>
17
18 #include "../test_helper/test_helper.h"
19
20 #include "log.h"
21 #include "misc.h"
22
23 void test_expand(void);
24
25 void
test_expand(void)26 test_expand(void)
27 {
28 int parseerr;
29 char *ret;
30
31 TEST_START("dollar_expand");
32 ASSERT_INT_EQ(setenv("FOO", "bar", 1), 0);
33 ASSERT_INT_EQ(setenv("BAR", "baz", 1), 0);
34 (void)unsetenv("BAZ");
35 #define ASSERT_DOLLAR_EQ(x, y) do { \
36 char *str = dollar_expand(NULL, (x)); \
37 ASSERT_STRING_EQ(str, (y)); \
38 free(str); \
39 } while(0)
40 ASSERT_DOLLAR_EQ("${FOO}", "bar");
41 ASSERT_DOLLAR_EQ(" ${FOO}", " bar");
42 ASSERT_DOLLAR_EQ("${FOO} ", "bar ");
43 ASSERT_DOLLAR_EQ(" ${FOO} ", " bar ");
44 ASSERT_DOLLAR_EQ("${FOO}${BAR}", "barbaz");
45 ASSERT_DOLLAR_EQ(" ${FOO} ${BAR}", " bar baz");
46 ASSERT_DOLLAR_EQ("${FOO}${BAR} ", "barbaz ");
47 ASSERT_DOLLAR_EQ(" ${FOO} ${BAR} ", " bar baz ");
48 ASSERT_DOLLAR_EQ("$", "$");
49 ASSERT_DOLLAR_EQ(" $", " $");
50 ASSERT_DOLLAR_EQ("$ ", "$ ");
51
52 /* suppress error messages for error handing tests */
53 log_init("test_misc", SYSLOG_LEVEL_QUIET, SYSLOG_FACILITY_AUTH, 1);
54 /* error checking, non existent variable */
55 ret = dollar_expand(&parseerr, "a${BAZ}");
56 ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 0);
57 ret = dollar_expand(&parseerr, "${BAZ}b");
58 ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 0);
59 ret = dollar_expand(&parseerr, "a${BAZ}b");
60 ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 0);
61 /* invalid format */
62 ret = dollar_expand(&parseerr, "${");
63 ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 1);
64 ret = dollar_expand(&parseerr, "${F");
65 ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 1);
66 ret = dollar_expand(&parseerr, "${FO");
67 ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 1);
68 /* empty variable name */
69 ret = dollar_expand(&parseerr, "${}");
70 ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 1);
71 /* restore loglevel to default */
72 log_init("test_misc", SYSLOG_LEVEL_INFO, SYSLOG_FACILITY_AUTH, 1);
73 TEST_DONE();
74
75 TEST_START("percent_expand");
76 ASSERT_STRING_EQ(percent_expand("%%", "%h", "foo", NULL), "%");
77 ASSERT_STRING_EQ(percent_expand("%h", "h", "foo", NULL), "foo");
78 ASSERT_STRING_EQ(percent_expand("%h ", "h", "foo", NULL), "foo ");
79 ASSERT_STRING_EQ(percent_expand(" %h", "h", "foo", NULL), " foo");
80 ASSERT_STRING_EQ(percent_expand(" %h ", "h", "foo", NULL), " foo ");
81 ASSERT_STRING_EQ(percent_expand(" %a%b ", "a", "foo", "b", "bar", NULL),
82 " foobar ");
83 TEST_DONE();
84
85 TEST_START("percent_dollar_expand");
86 ASSERT_STRING_EQ(percent_dollar_expand("%h${FOO}", "h", "foo", NULL),
87 "foobar");
88 TEST_DONE();
89 }
90