1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/* Copyright (c) 2009-2018 Dovecot authors, see the included COPYING file */
#include "test-lib.h"
#include "str.h"
#include "strescape.h"
struct strinput {
const char *input;
const char *output;
};
static const char tabescaped_input[] = "\0011\001t\001r\001nplip\001n";
static const char tabescaped_input_with_nul[] = "\0011\001t\001r\001nplip\001n\0010";
static const char tabunescaped_input[] = "\001\t\r\nplip\n";
static const char *wrong_tabescaped_input = "a\001\001b\001\nc\0011\001t\001r\001nplip\001n";
static const char *wrong_tabescaped_output = "a\001b\nc\001\t\r\nplip\n";
static struct {
const char *input;
const char *const *output;
} strsplit_tests[] = {
{ /*tabescaped_input3*/NULL, (const char *const []) {
tabunescaped_input,
tabunescaped_input,
tabunescaped_input,
"",
NULL
} },
{ "", (const char *const []) { NULL } },
{ "\t", (const char *const []) { "", "", NULL } },
{ tabescaped_input, (const char *const []) {
tabunescaped_input,
NULL
} },
};
static void test_str_escape(void)
{
static const struct strinput unesc[] = {
{ "foo", "foo" },
{ "\\\\\\\\\\\"\\\"\\\'\\\'", "\\\\\"\"\'\'" },
{ "\\a\\n\\r\\", "anr" }
};
static const struct strinput tabesc[] = {
{ "foo", "foo" },
{ "\001", "\0011" },
{ "\t", "\001t" },
{ "\r", "\001r" },
{ "\n", "\001n" },
{ "\001\001\t\t\r\r\n\n", "\0011\0011\001t\001t\001r\001r\001n\001n" }
};
unsigned char buf[1 << CHAR_BIT];
const char *escaped, *tabstr, *unesc_str;
string_t *str;
unsigned int i;
test_begin("str_escape");
for (i = 1; i < sizeof(buf); i++)
buf[i-1] = i;
buf[i-1] = '\0';
escaped = str_escape((char *)buf);
test_assert(strlen(escaped) == (1 << CHAR_BIT) - 1 + 3);
test_assert(escaped['\"'-1] == '\\'); /* 34 */
test_assert(escaped['\"'] == '\"');
test_assert(escaped['\''+1-1] == '\\'); /* 39 */
test_assert(escaped['\''+1] == '\'');
test_assert(escaped['\\'+2-1] == '\\'); /* 92 */
test_assert(escaped['\\'+2] == '\\');
test_assert(strcmp(str_escape("\\\\\"\"\'\'"),
"\\\\\\\\\\\"\\\"\\\'\\\'") == 0);
test_end();
test_begin("str_nescape");
escaped = str_nescape("\"escape only first but not 'this'", 10);
test_assert(strcmp(escaped, "\\\"escape on") == 0);
escaped = str_nescape("\"hello\"\0\"world\"", 15);
test_assert(memcmp(escaped, "\\\"hello\\\"\0\\\"world\\\"", 19) == 0);
test_end();
str = t_str_new(256);
test_begin("str_unescape");
for (i = 0; i < N_ELEMENTS(unesc); i++) {
test_assert(strcmp(str_unescape(t_strdup_noconst(unesc[i].input)),
unesc[i].output) == 0);
str_truncate(str, 0);
str_append_unescaped(str, unesc[i].input, strlen(unesc[i].input));
test_assert(strcmp(str_c(str), unesc[i].output) == 0);
}
test_end();
test_begin("str_unescape_next");
escaped = "foo\"bar\\\"b\\\\az\"plop";
test_assert(str_unescape_next(&escaped, &unesc_str) == 0);
test_assert(strcmp(unesc_str, "foo") == 0);
test_assert(str_unescape_next(&escaped, &unesc_str) == 0);
test_assert(strcmp(unesc_str, "bar\"b\\az") == 0);
test_assert(str_unescape_next(&escaped, &unesc_str) == -1);
escaped = "foo\\";
test_assert(str_unescape_next(&escaped, &unesc_str) == -1);
test_end();
test_begin("str_tabescape");
for (i = 0; i < N_ELEMENTS(tabesc); i++) {
test_assert(strcmp(t_str_tabunescape(tabesc[i].output),
tabesc[i].input) == 0);
test_assert(strcmp(str_tabunescape(t_strdup_noconst(tabesc[i].output)),
tabesc[i].input) == 0);
test_assert(strcmp(str_tabescape(tabesc[i].input),
tabesc[i].output) == 0);
str_truncate(str, 0);
str_append_tabunescaped(str, tabesc[i].output, strlen(tabesc[i].output));
test_assert(strcmp(str_c(str), tabesc[i].input) == 0);
}
str_truncate(str, 0);
tabstr = "\0012\001l\001";
str_append_tabunescaped(str, tabstr, strlen(tabstr));
test_assert(strcmp(str_c(str), "2l") == 0);
test_assert(strcmp(str_c(str), str_tabunescape(t_strdup_noconst(tabstr))) == 0);
test_end();
}
static void test_tabescape(void)
{
string_t *str = t_str_new(128);
test_begin("string tabescaping");
test_assert(strcmp(str_tabescape(tabunescaped_input), tabescaped_input) == 0);
str_append_tabescaped(str, tabunescaped_input);
test_assert(strcmp(str_c(str), tabescaped_input) == 0);
/* test escaping the trailing NUL as well */
str_truncate(str, 0);
str_append_tabescaped_n(str, (const unsigned char *)tabunescaped_input,
strlen(tabunescaped_input)+1);
test_assert_strcmp(str_c(str), tabescaped_input_with_nul);
/* unescaping */
str_truncate(str, 0);
str_append_tabunescaped(str, tabescaped_input, strlen(tabescaped_input));
test_assert(strcmp(str_c(str), tabunescaped_input) == 0);
test_assert(strcmp(str_tabunescape(t_strdup_noconst(tabescaped_input)), tabunescaped_input) == 0);
test_assert(strcmp(t_str_tabunescape(tabescaped_input), tabunescaped_input) == 0);
/* unescaping with wrongly written tabescape-input */
str_truncate(str, 0);
str_append_tabunescaped(str, wrong_tabescaped_input, strlen(wrong_tabescaped_input));
test_assert(strcmp(str_c(str), wrong_tabescaped_output) == 0);
test_assert(strcmp(str_tabunescape(t_strdup_noconst(wrong_tabescaped_input)), wrong_tabescaped_output) == 0);
test_assert(strcmp(t_str_tabunescape(wrong_tabescaped_input), wrong_tabescaped_output) == 0);
test_end();
}
static void test_strsplit_tabescaped(void)
{
const char *const *args;
test_begin("*_strsplit_tabescaped()");
for (unsigned int i = 0; i < N_ELEMENTS(strsplit_tests); i++) {
args = t_strsplit_tabescaped(strsplit_tests[i].input);
for (unsigned int j = 0; strsplit_tests[i].output[j] != NULL; j++)
test_assert_idx(null_strcmp(strsplit_tests[i].output[j], args[j]) == 0, i);
}
test_end();
}
static void test_strsplit_tabescaped_inplace(void)
{
const char *const *args;
test_begin("*_strsplit_tabescaped_inplace()");
for (unsigned int i = 0; i < N_ELEMENTS(strsplit_tests); i++) {
char *input = t_strdup_noconst(strsplit_tests[i].input);
args = t_strsplit_tabescaped_inplace(input);
for (unsigned int j = 0; strsplit_tests[i].output[j] != NULL; j++)
test_assert_idx(null_strcmp(strsplit_tests[i].output[j], args[j]) == 0, i);
}
test_end();
}
void test_strescape(void)
{
strsplit_tests[0].input = t_strdup_printf("%s\t%s\t%s\t",
tabescaped_input, tabescaped_input, tabescaped_input);
test_str_escape();
test_tabescape();
test_strsplit_tabescaped();
test_strsplit_tabescaped_inplace();
}
|
