1 /*
2 * Copyright (c) 2006, 2023 Proofpoint, Inc. and its suppliers.
3 * All rights reserved.
4 *
5 * By using this file, you agree to the terms and conditions set
6 * forth in the LICENSE file which can be found at the top level of
7 * the sendmail distribution.
8 */
9
10 #include <sm/gen.h>
11 SM_IDSTR(id, "@(#)$Id: t-qic.c,v 1.10 2013-11-22 20:51:43 ca Exp $")
12
13 #include <stdio.h>
14 #include <sm/sendmail.h>
15 #include <sm/assert.h>
16 #include <sm/heap.h>
17 #include <sm/string.h>
18 #include <sm/test.h>
19
20 extern bool SmTestVerbose;
21
22 void
show_diff(s1,s2)23 show_diff(s1, s2)
24 const char *s1;
25 const char *s2;
26 {
27 int i;
28
29 for (i = 0; s1[i] != '\0' && s2[i] != '\0'; i++)
30 {
31 if (s1[i] != s2[i])
32 {
33 fprintf(stderr, "i=%d, s1[]=%u, s2[]=%u\n",
34 i, (unsigned char) s1[i],
35 (unsigned char) s2[i]);
36 return;
37 }
38 }
39 if (s1[i] != s2[i])
40 {
41 fprintf(stderr, "i=%d, s1[]=%u, s2[]=%u\n",
42 i, (unsigned char) s1[i], (unsigned char) s2[i]);
43 }
44 }
45
46 char *quote_unquote __P((char *, char *, int, int, int));
47
48 char *
quote_unquote(in,out,outlen,exp,mode)49 quote_unquote(in, out, outlen, exp, mode)
50 char *in;
51 char *out;
52 int outlen;
53 int exp;
54 int mode;
55 {
56 char *obp, *bp;
57 char line_back[1024];
58 char line_in[1024];
59 int cmp;
60
61 sm_strlcpy(line_in, in, sizeof(line_in));
62 obp = quote_internal_chars(in, out, &outlen, NULL);
63 bp = str2prt(line_in);
64 if (0 == mode)
65 dequote_internal_chars(obp, line_back, sizeof(line_back));
66 else if (1 == mode)
67 dequote_internal_chars(obp, line_back, strlen(obp));
68 else if (2 == mode)
69 dequote_internal_chars(obp, line_back, strlen(obp) + 1);
70 cmp = strcmp(line_in, line_back);
71 SM_TEST(exp == cmp);
72 if (cmp != exp && !SmTestVerbose)
73 {
74 fprintf(stderr, "in: %s\n", bp);
75 bp = str2prt(line_back);
76 fprintf(stderr, "out:%s\n", bp);
77 fprintf(stderr, "cmp=%d\n", cmp);
78 show_diff(in, line_back);
79 }
80 if (SmTestVerbose)
81 {
82 fprintf(stderr, "%s -> ", bp);
83 bp = str2prt(obp);
84 fprintf(stderr, "%s\n", bp);
85 fprintf(stderr, "cmp=%d\n", cmp);
86 }
87 return obp;
88 }
89
90 struct sm_qic_S
91 {
92 char *qic_in;
93 char *qic_out;
94 int qic_exp;
95 };
96
97 typedef struct sm_qic_S sm_qic_T;
98
99
100 int
main(argc,argv)101 main(argc, argv)
102 int argc;
103 char *argv[];
104 {
105 char line_in[1024], line[256], line_out[32], *obp;
106 int i, los, cmp, mode;
107 sm_qic_T inout[] = {
108 { "", "", 0 }
109 , { "\t", "\t", 0 }
110 , { "\tuser", "\tuser", 0 }
111 , { "abcdef", "abcdef", 0 }
112 , { "01234567890123456789", "01234567890123456789", 0 }
113 , { "\\", "\\", 0 }
114 , { "\\A", "\\A", 0 }
115 , { "01234567890123456789\001", "01234567890123456789\001",
116 0 }
117 , { "012345\2067890123456789", "012345\377\2067890123456789",
118 0 }
119 , { "\377", "\377\377", 0 }
120 , { "\240", "\240", 0 }
121 , { "\220", "\377\220", 0 }
122 , { "\240\220", "\240\377\220", 0 }
123 , { "\377\377", "\377\377\377\377", 0 }
124 , { "\377a\377b", "\377\377a\377\377b", 0 }
125 , { "\376a\377b", "\376a\377\377b", 0 }
126 , { "\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240",
127 "\377\200\377\201\377\202\377\203\377\204\377\205\377\206\377\207\377\210\377\211\377\212\377\213\377\214\377\215\377\216\377\217\377\220\377\221\377\222\377\223\377\224\377\225\377\226\377\227\377\230\377\231\377\232\377\233\377\234\377\235\377\236\377\237\240",
128 0 }
129 , { NULL, NULL, 0 }
130 };
131
132 sm_test_begin(argc, argv, "test meta quoting");
133 mode = 0;
134 if (argc > 1)
135 mode = atoi(argv[1]);
136 for (i = 0; i < sizeof(line_out); i++)
137 line_out[i] = '\0';
138 for (i = 0; i < sizeof(line_in); i++)
139 line_in[i] = '\0';
140 for (i = 0; i < sizeof(line_in) / 2; i++)
141 {
142 char ch;
143
144 ch = 0200 + i;
145 if ('\0' == ch)
146 ch = '0';
147 line_in[i] = ch;
148 }
149 los = sizeof(line_out) / 2;
150 obp = quote_unquote(line_in, line_out, los, 0, mode);
151 if (obp != line_out)
152 SM_FREE(obp);
153
154 for (i = 0; i < sizeof(line_in); i++)
155 line_in[i] = '\0';
156 for (i = 0; i < sizeof(line_in) / 2; i++)
157 {
158 char ch;
159
160 ch = 0200 + i;
161 if ('\0' == ch)
162 ch = '0';
163 line_in[i] = ch;
164 }
165 los = sizeof(line_in);
166 obp = quote_unquote(line_in, line_in, los, 0, mode);
167 if (obp != line_in)
168 SM_FREE(obp);
169
170 for (i = 0; inout[i].qic_in != NULL; i++)
171 {
172 los = sizeof(line_out) / 2;
173 obp = quote_unquote(inout[i].qic_in, line_out, los,
174 inout[i].qic_exp, mode);
175 cmp = strcmp(inout[i].qic_out, obp);
176 SM_TEST(inout[i].qic_exp == cmp);
177 if (inout[i].qic_exp != cmp && !SmTestVerbose)
178 {
179 char *bp;
180
181 bp = str2prt(obp);
182 fprintf(stderr, "got: %s\n", bp);
183 bp = str2prt(inout[i].qic_out);
184 fprintf(stderr, "exp:%s\n", bp);
185 fprintf(stderr, "cmp=%d\n", cmp);
186 show_diff(inout[i].qic_in, inout[i].qic_out);
187 }
188 if (obp != line_out)
189 SM_FREE(obp);
190 }
191
192 /* use same buffer for in and out */
193 for (i = 0; inout[i].qic_in != NULL; i++)
194 {
195 bool same;
196
197 same = strcmp(inout[i].qic_in, inout[i].qic_out) == 0;
198 los = sm_strlcpy(line, inout[i].qic_in, sizeof(line));
199 SM_TEST(los + 1 < sizeof(line));
200 ++los;
201 obp = quote_unquote(line, line, los, inout[i].qic_exp, mode);
202 cmp = strcmp(inout[i].qic_out, obp);
203 SM_TEST(inout[i].qic_exp == cmp);
204 if (inout[i].qic_exp != cmp && !SmTestVerbose)
205 {
206 char *bp;
207
208 bp = str2prt(obp);
209 fprintf(stderr, "got: %s\n", bp);
210 bp = str2prt(inout[i].qic_out);
211 fprintf(stderr, "exp:%s\n", bp);
212 fprintf(stderr, "cmp=%d\n", cmp);
213 show_diff(inout[i].qic_in, inout[i].qic_out);
214 }
215 if (obp != line)
216 {
217 SM_TEST(!same);
218 if (same)
219 show_diff(obp, inout[i].qic_out);
220 SM_FREE(obp);
221 }
222 }
223
224 /* use NULL buffer for out */
225 for (i = 0; inout[i].qic_in != NULL; i++)
226 {
227 los = 0;
228 obp = quote_unquote(inout[i].qic_in, NULL, los,
229 inout[i].qic_exp, mode);
230 SM_TEST(obp != NULL);
231 cmp = strcmp(inout[i].qic_out, obp);
232 SM_TEST(inout[i].qic_exp == cmp);
233 if (inout[i].qic_exp != cmp && !SmTestVerbose)
234 {
235 char *bp;
236
237 bp = str2prt(obp);
238 fprintf(stderr, "got: %s\n", bp);
239 bp = str2prt(inout[i].qic_out);
240 fprintf(stderr, "exp:%s\n", bp);
241 fprintf(stderr, "cmp=%d\n", cmp);
242 show_diff(inout[i].qic_in, inout[i].qic_out);
243 }
244 }
245
246 los = -1;
247 obp = quote_internal_chars(NULL, NULL, &los, NULL);
248 SM_TEST(NULL == obp);
249 SM_TEST(-1 == los);
250
251 sm_strlcpy(line_in, "nothing", sizeof(line_in));
252 los = -123;
253 obp = quote_internal_chars(line_in, NULL, &los, NULL);
254 SM_TEST(NULL != obp);
255 SM_TEST(los > 0);
256
257 return sm_test_end();
258 }
259