xref: /freebsd/crypto/openssh/regress/unittests/misc/test_expand.c (revision 3332f1b444d4a73238e9f59cca27bfc95fe936bd)
1 /* 	$OpenBSD: test_expand.c,v 1.2 2021/04/06 09:07:33 dtucker 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 <sys/param.h>
12 #include <stdio.h>
13 #ifdef HAVE_STDINT_H
14 #include <stdint.h>
15 #endif
16 #include <stdlib.h>
17 #include <string.h>
18 
19 #include "../test_helper/test_helper.h"
20 
21 #include "log.h"
22 #include "misc.h"
23 
24 void test_expand(void);
25 
26 void
27 test_expand(void)
28 {
29 	int parseerr;
30 	char *ret;
31 
32 	TEST_START("dollar_expand");
33 	ASSERT_INT_EQ(setenv("FOO", "bar", 1), 0);
34 	ASSERT_INT_EQ(setenv("BAR", "baz", 1), 0);
35 	(void)unsetenv("BAZ");
36 #define ASSERT_DOLLAR_EQ(x, y) do { \
37 	char *str = dollar_expand(NULL, (x)); \
38 	ASSERT_STRING_EQ(str, (y)); \
39 	free(str); \
40 } while(0)
41 	ASSERT_DOLLAR_EQ("${FOO}", "bar");
42 	ASSERT_DOLLAR_EQ(" ${FOO}", " bar");
43 	ASSERT_DOLLAR_EQ("${FOO} ", "bar ");
44 	ASSERT_DOLLAR_EQ(" ${FOO} ", " bar ");
45 	ASSERT_DOLLAR_EQ("${FOO}${BAR}", "barbaz");
46 	ASSERT_DOLLAR_EQ(" ${FOO} ${BAR}", " bar baz");
47 	ASSERT_DOLLAR_EQ("${FOO}${BAR} ", "barbaz ");
48 	ASSERT_DOLLAR_EQ(" ${FOO} ${BAR} ", " bar baz ");
49 	ASSERT_DOLLAR_EQ("$", "$");
50 	ASSERT_DOLLAR_EQ(" $", " $");
51 	ASSERT_DOLLAR_EQ("$ ", "$ ");
52 
53 	/* suppress error messages for error handing tests */
54 	log_init("test_misc", SYSLOG_LEVEL_QUIET, SYSLOG_FACILITY_AUTH, 1);
55 	/* error checking, non existent variable */
56 	ret = dollar_expand(&parseerr, "a${BAZ}");
57 	ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 0);
58 	ret = dollar_expand(&parseerr, "${BAZ}b");
59 	ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 0);
60 	ret = dollar_expand(&parseerr, "a${BAZ}b");
61 	ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 0);
62 	/* invalid format */
63 	ret = dollar_expand(&parseerr, "${");
64 	ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 1);
65 	ret = dollar_expand(&parseerr, "${F");
66 	ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 1);
67 	ret = dollar_expand(&parseerr, "${FO");
68 	ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 1);
69 	/* empty variable name */
70 	ret = dollar_expand(&parseerr, "${}");
71 	ASSERT_PTR_EQ(ret, NULL); ASSERT_INT_EQ(parseerr, 1);
72 	/* restore loglevel to default */
73 	log_init("test_misc", SYSLOG_LEVEL_INFO, SYSLOG_FACILITY_AUTH, 1);
74 	TEST_DONE();
75 
76 	TEST_START("percent_expand");
77 	ASSERT_STRING_EQ(percent_expand("%%", "%h", "foo", NULL), "%");
78 	ASSERT_STRING_EQ(percent_expand("%h", "h", "foo", NULL), "foo");
79 	ASSERT_STRING_EQ(percent_expand("%h ", "h", "foo", NULL), "foo ");
80 	ASSERT_STRING_EQ(percent_expand(" %h", "h", "foo", NULL), " foo");
81 	ASSERT_STRING_EQ(percent_expand(" %h ", "h", "foo", NULL), " foo ");
82 	ASSERT_STRING_EQ(percent_expand(" %a%b ", "a", "foo", "b", "bar", NULL),
83 	    " foobar ");
84 	TEST_DONE();
85 
86 	TEST_START("percent_dollar_expand");
87 	ASSERT_STRING_EQ(percent_dollar_expand("%h${FOO}", "h", "foo", NULL),
88 	    "foobar");
89 	TEST_DONE();
90 }
91