1 /*
2 * Copyright 2007-2023 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright Siemens AG 2015-2022
4 *
5 * Licensed under the Apache License 2.0 (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
9 */
10
11 /*
12 * A collection of test cases where check-format.pl should not report issues.
13 * There are some known false positives, though, which are marked below.
14 */
15
16 #include <errno.h> /* should not report whitespace nits within <...> */
17 #define F \
18 void f() \
19 { \
20 int i; \
21 int j; \
22 \
23 return; \
24 }
25
26 /* allow extra SPC in single-line comment */
27 /*
28 * allow extra SPC in regular multi-line comment
29 */
30 /*-
31 * allow extra SPC in format-tagged multi-line comment
32 */
33 /** allow extra '*' in comment opening */
34 /*! allow extra '!' in comment opening */
35 /*
36 ** allow "**" as first non-space chars of a line within multi-line comment
37 */
38
f(void)39 int f(void) /*
40 * trailing multi-line comment
41 */
42 {
43 typedef int INT;
44 void v;
45 short b;
46 char c;
47 signed s;
48 unsigned u;
49 int i;
50 long l;
51 float f;
52 double d;
53 enum {} enu;
54 struct {} stru;
55 union {} un;
56 auto a;
57 extern e;
58 static int stat;
59 const int con;
60 volatile int vola;
61 register int reg;
62 OSSL_x y, *p = params;
63 int params[];
64 OSSL_PARAM * (* params []) [MAX + 1];
65 XY *(* fn)(int a, char b);
66 /*
67 * multi-line comment should not disturb detection of local decls
68 */
69 BIO1 ***b;
70 /* intra-line comment should not disturb detection of local decls */
71 unsigned k;
72
73 /* intra-line comment should not disturb detection of end of local decls */
74
75 {
76 int x; /* just decls in block */
77 }
78 if (p != (unsigned char *)
79 &(ctx->tmp[0])) {
80 i -= (p - (unsigned char *) /* do not confuse with var decl */
81 &(ctx->tmp[0]));
82 }
83 {
84 ctx->buf_off = 0; /* do not confuse with var decl */
85 return 0;
86 }
87 {
88 ctx->buf_len = EVP_EncodeBlock((unsigned char *)ctx->buf,
89 (unsigned char *)ctx->tmp, /* no decl */
90 ctx->tmp_len);
91 }
92 {
93 EVP_EncodeFinal(ctx->base64,
94 (unsigned char *)ctx->buf, &(ctx->len)); /* no decl */
95 /* push out the bytes */
96 goto again;
97 }
98 {
99 f(1, (unsigned long)2); /* no decl */
100 x;
101 }
102 {
103 char *pass_str = get_passwd(opt_srv_secret, "x");
104
105 if (pass_str != NULL) {
106 cleanse(opt_srv_secret);
107 res = OSSL_CMP_CTX_set1_secretValue(ctx, (unsigned char *)pass_str,
108 strlen(pass_str));
109 clear_free(pass_str);
110 }
111 }
112 }
113
g(void)114 int g(void)
115 {
116 if (ctx == NULL) { /* non-leading end-of-line comment */
117 if (/* comment after '(' */ pem_name != NULL /* comment before ')' */)
118 /* entire-line comment indent usually like for the following line */
119 return NULL; /* hanging indent also for this line after comment */
120 /* leading comment has same indentation as normal code */ stmt;
121 /* entire-line comment may have same indent as normal code */
122 }
123 for (i = 0; i < n; i++)
124 for (; i < n; i++)
125 for (i = 0; ; i++)
126 for (i = 0;; i++)
127 for (i = 0; i < n; )
128 for (i = 0; i < n;)
129 ;
130 for (i = 0; ; )
131 for (i = 0; ;)
132 for (i = 0;; )
133 for (i = 0;;)
134 for (; i < n; )
135 for (; j < n;)
136 for (; ; i++)
137 for (;; i++)
138 ;
139 for (;;) /* the only variant allowed in case of "empty" for (...) */
140 ;
141 for (;;) ; /* should not trigger: space before ';' */
142 lab: ; /* should not trigger: space before ';' */
143
144 #if X
145 if (1) /* bad style: just part of control structure depends on #if */
146 #else
147 if (2) /*@ resulting false positive */
148 #endif
149 c; /*@ resulting false positive */
150
151 if (1)
152 if (2)
153 c;
154 else
155 e;
156 else
157 f;
158 do
159 do
160 2;
161 while (1);
162 while (2);
163
164 if (1)
165 f(a, b);
166 do
167 1; while (2); /*@ more than one stmt just to construct case */
168 if (1)
169 f(a, b);
170 else
171 do
172 1;
173 while (2);
174 if (1)
175 f(a, b);
176 else do /*@ (non-brace) code before 'do' just to construct case */
177 1;
178 while (2);
179 f1234(a,
180 b); do /*@ (non-brace) code before 'do' just to construct case */
181 1;
182 while (2);
183 if (1)
184 f(a,
185 b); do /*@ (non-brace) code before 'do' just to construct case */
186 1;
187 while (2);
188 if (1)
189 f(a, b);
190 else
191 do f(c, c); /*@ (non-brace) code after 'do' just to construct case */
192 while (2);
193
194 if (1)
195 f(a, b);
196 else
197 return;
198 if (1)
199 f(a,
200 b); else /*@ (non-brace) code before 'else' just to construct case */
201 do
202 1;
203 while (2);
204
205 if (1)
206 { /*@ brace after 'if' not on same line just to construct case */
207 c;
208 d;
209 }
210 /* this comment is correctly indented if it refers to the following line */
211 d;
212
213 if (1) {
214 2;
215 } else /*@ no brace after 'else' just to construct case */
216 3;
217 do {
218 } while (x);
219 if (1) {
220 2;
221 } else {
222 3;
223 }
224 if (4)
225 5;
226 else
227 6;
228
229 if (1) {
230 if (2) {
231 case MAC_TYPE_MAC:
232 {
233 EVP_MAC_CTX *new_mac_ctx;
234
235 if (ctx->pkey == NULL)
236 return 0;
237 }
238 break;
239 default:
240 /* This should be dead code */
241 return 0;
242 }
243 }
244 if (expr_line1
245 == expr_line2
246 && expr_line3) {
247 c1;
248 } else {
249 c;
250 d;
251 }
252 if (expr_line1
253 == expr_line2
254 && expr_line3)
255 hanging_stmt;
256 }
257 #define m \
258 do { /* should not be confused with function header followed by '{' */ \
259 } while (0)
260
261 /* should not trigger: constant on LHS of comparison or assignment operator */
262 X509 *x509 = NULL;
263 int y = a + 1 < b;
264 int ret, was_NULL = *certs == NULL;
265
266 /* should not trigger: missing space before ... */
267 float z = 1e-6 * (-1) * b[+6] * 1e+1 * (a)->f * (long)+1
268 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9);
269 struct st = {-1, 0};
270 int x = (y <<= 1) + (z <= 5.0);
271
272 const OPTIONS passwd_options[] = {
273 {"aixmd5", OPT_AIXMD5, '-', "AIX MD5-based password algorithm"},
274 #if !defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_DEPRECATED_3_0)
275 {"crypt", OPT_CRYPT, '-', "Standard Unix password algorithm (default)"},
276 #endif
277 OPT_R_OPTIONS,
278
279 {NULL}
280 };
281
282 typedef * d(int)
283 x;
284 typedef (int)
285 x;
286 typedef (int)*()
287 x;
288 typedef *int *
289 x;
290 typedef OSSL_CMP_MSG *(*cmp_srv_process_cb_t)
291 (OSSL_CMP_SRV_CTX *ctx, OSSL_CMP_MSG *msg)
292 xx;
293
294 #define IF(cond) if (cond)
295
296 _Pragma("GCC diagnostic push")
297 _Pragma("GCC diagnostic pop")
298
299 #define CB_ERR_IF(cond, ctx, cert, depth, err) \
300 if ((cond) && ((depth) < 0 || verify_cb_cert(ctx, cert, depth, err) == 0)) \
301 return err
verify_cb_crl(X509_STORE_CTX * ctx,int err)302 static int verify_cb_crl(X509_STORE_CTX *ctx, int err)
303 {
304 ctx->error = err;
305 return ctx->verify_cb(0, ctx);
306 }
307
308 #ifdef CMP_FALLBACK_EST
309 # define CMP_FALLBACK_CERT_FILE "cert.pem"
310 #endif
311
312 #define X509_OBJECT_get0_X509(obj) \
313 ((obj) == NULL || (obj)->type != X509_LU_X509 ? NULL : (obj)->data.x509)
314 #define X509_STORE_CTX_set_current_cert(ctx, x) { (ctx)->current_cert = (x); }
315 #define X509_STORE_set_ex_data(ctx, idx, data) \
316 CRYPTO_set_ex_data(&(ctx)->ex_data, (idx), (data))
317
318 typedef int (*X509_STORE_CTX_check_revocation_fn)(X509_STORE_CTX *ctx);
319 #define X509_STORE_CTX_set_error_depth(ctx, depth) \
320 { (ctx)->error_depth = (depth); }
321 #define EVP_PKEY_up_ref(x) ((x)->references++)
322 /* should not report missing blank line: */
323 DECLARE_STACK_OF(OPENSSL_CSTRING)
324 bool UTIL_iterate_dir(int (*fn)(const char *file, void *arg), void *arg,
325 const char *path, bool recursive);
326 size_t UTIL_url_encode(
327 size_t *size_needed
328 );
329 size_t UTIL_url_encode(const char *source,
330 char *destination,
331 size_t destination_len,
332 size_t *size_needed);
333 #error well. oops.
334
f()335 int f()
336 {
337 c;
338 if (1) {
339 c;
340 }
341 c;
342 if (1)
343 if (2)
344 { /*@ brace after 'if' not on same line just to construct case */
345 c;
346 }
347 e;
348 const usign = {
349 0xDF,
350 {
351 dd
352 },
353 dd
354 };
355 const unsign = {
356 0xDF, {
357 dd
358 },
359 dd
360 };
361 }
362 const unsigned char trans_id[OSSL_CMP_TRANSACTIONID_LENGTH] = {
363 0xDF,
364 };
365 const unsigned char trans_id[OSSL_CMP_TRANSACTIONID_LENGTH] =
366 {
367 0xDF,
368 };
369 typedef
370 int
371 a;
372
373 typedef
374 struct
375 {
376 int a;
377 } b;
378 typedef enum {
379 w = 0
380 } e_type;
381 typedef struct {
382 enum {
383 w = 0
384 } e_type;
385 enum {
386 w = 0
387 } e_type;
388 } e;
389 struct s_type {
390 enum e_type {
391 w = 0
392 };
393 };
394 struct s_type
395 {
396 enum e_type {
397 w = 0
398 };
399 enum e2_type {
400 w = 0
401 };
402 };
403
404 #define X 1 + 1
405 #define Y /* .. */ 2 + 2
406 #define Z 3 + 3 * (*a++)
407
408 static varref cmp_vars[] = { /* comment. comment? comment! */
409 {&opt_config}, {&opt_section},
410
411 {&opt_server}, {&opt_proxy}, {&opt_path},
412 };
413
414 #define SWITCH(x) \
415 switch (x) { \
416 case 0: \
417 break; \
418 default: \
419 break; \
420 }
421
422 #define DEFINE_SET_GET_BASE_TEST(PREFIX, SETN, GETN, DUP, FIELD, TYPE, ERR, \
423 DEFAULT, NEW, FREE) \
424 static int execute_CTX_##SETN##_##GETN##_##FIELD( \
425 TEST_FIXTURE *fixture) \
426 { \
427 CTX *ctx = fixture->ctx; \
428 int (*set_fn)(CTX *ctx, TYPE) = \
429 (int (*)(CTX *ctx, TYPE))PREFIX##_##SETN##_##FIELD; \
430 /* comment */ \
431 }
432
433 union un var; /* struct/union/enum in variable type */
f()434 struct provider_store_st *f() /* struct/union/enum in function return type */
435 {
436 }
f(struct pem_pass_data * data)437 static void f(struct pem_pass_data *data) /* struct/union/enum in arg list */
438 {
439 }
440
fun(void)441 static void *fun(void)
442 {
443 if (pem_name != NULL)
444 /* comment */
445 return NULL;
446
447 label0:
448 label1: /* allow special indent 1 for label at outermost level in body */
449 do {
450 label2:
451 size_t available_len, data_len;
452 const char *curr = txt, *next = txt;
453 char *tmp;
454
455 {
456 label3:
457 }
458 } while (1);
459
460 char *intraline_string_with_comment_delimiters_and_dbl_space = "1 /*1";
461 char *multiline_string_with_comment_delimiters_and_dbl_space = "1 /*1\
462 2222222\'22222222222222222\"222222222" "33333 /*3333333333" "44 /*44444444444\
463 55555555555555\
464 6666";
465 }
466
467 ASN1_CHOICE(OSSL_CRMF_POPO) = {
468 ASN1_IMP(OSSL_CRMF_POPO, value.raVerified, ASN1_NULL, 0),
469 ASN1_EXP(OSSL_CRMF_POPO, value.keyAgreement, OSSL_CRMF_POPOPRIVKEY, 3)
470 } ASN1_CHOICE_END(OSSL_CRMF_POPO)
471 IMPLEMENT_ASN1_FUNCTIONS(OSSL_CRMF_POPO)
472
473 ASN1_ADB(OSSL_CRMF_ATTRIBUTETYPEANDVALUE) = {
474 ADB_ENTRY(NID_id_regCtrl_regToken,
475 ASN1_SIMPLE(OSSL_CRMF_ATTRIBUTETYPEANDVALUE,
476 value.regToken, ASN1_UTF8STRING)),
477 } ASN1_ADB_END(OSSL_CRMF_ATTRIBUTETYPEANDVALUE, 0, type, 0,
478 &attributetypeandvalue_default_tt, NULL);
479
ASN1_ITEM_TEMPLATE(OSSL_CRMF_MSGS)480 ASN1_ITEM_TEMPLATE(OSSL_CRMF_MSGS) =
481 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0,
482 OSSL_CRMF_MSGS, OSSL_CRMF_MSG)
483 ASN1_ITEM_TEMPLATE_END(OSSL_CRMF_MSGS)
484
485 void f_looong_body_200()
486 { /* function body length up to 200 lines accepted */
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687 }
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f_looong_body_201()689 void f_looong_body_201()
690 { /* function body length > 200 lines, but LONG BODY marker present */
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893 }
894