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authorcvs2svn <admin@example.com>2025-04-14 17:32:06 +0000
committercvs2svn <admin@example.com>2025-04-14 17:32:06 +0000
commitb1ddde874c215cc8891531ed92876f091b7eb83e (patch)
treeedb6da6af7e865d488dc1a29309f1e1ec226e603 /src/lib/libcrypto/txt_db/txt_db.c
parentf0a36529837a161734c802ae4c42e84e42347be2 (diff)
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This commit was manufactured by cvs2git to create tag 'tb_20250414'.tb_20250414
Diffstat (limited to 'src/lib/libcrypto/txt_db/txt_db.c')
-rw-r--r--src/lib/libcrypto/txt_db/txt_db.c378
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diff --git a/src/lib/libcrypto/txt_db/txt_db.c b/src/lib/libcrypto/txt_db/txt_db.c
deleted file mode 100644
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--- a/src/lib/libcrypto/txt_db/txt_db.c
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1/* $OpenBSD: txt_db.c,v 1.19 2023/07/08 11:28:03 beck Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <stdlib.h>
61#include <string.h>
62
63#include <openssl/buffer.h>
64#include <openssl/txt_db.h>
65
66#undef BUFSIZE
67#define BUFSIZE 512
68
69TXT_DB *
70TXT_DB_read(BIO *in, int num)
71{
72 TXT_DB *ret = NULL;
73 int er = 1;
74 int esc = 0;
75 long ln = 0;
76 int i, add, n;
77 int size = BUFSIZE;
78 int offset = 0;
79 char *p, *f;
80 OPENSSL_STRING *pp;
81 BUF_MEM *buf = NULL;
82
83 if ((buf = BUF_MEM_new()) == NULL)
84 goto err;
85 if (!BUF_MEM_grow(buf, size))
86 goto err;
87
88 if ((ret = malloc(sizeof(TXT_DB))) == NULL)
89 goto err;
90 ret->num_fields = num;
91 ret->index = NULL;
92 ret->qual = NULL;
93 if ((ret->data = sk_OPENSSL_PSTRING_new_null()) == NULL)
94 goto err;
95 if ((ret->index = reallocarray(NULL, num, sizeof(*ret->index))) == NULL)
96 goto err;
97 if ((ret->qual = reallocarray(NULL, num, sizeof(*(ret->qual)))) == NULL)
98 goto err;
99 for (i = 0; i < num; i++) {
100 ret->index[i] = NULL;
101 ret->qual[i] = NULL;
102 }
103
104 add = (num + 1)*sizeof(char *);
105 buf->data[size-1] = '\0';
106 offset = 0;
107 for (;;) {
108 if (offset != 0) {
109 size += BUFSIZE;
110 if (!BUF_MEM_grow_clean(buf, size))
111 goto err;
112 }
113 buf->data[offset] = '\0';
114 BIO_gets(in, &(buf->data[offset]), size - offset);
115 ln++;
116 if (buf->data[offset] == '\0')
117 break;
118 if ((offset == 0) && (buf->data[0] == '#'))
119 continue;
120 i = strlen(&(buf->data[offset]));
121 offset += i;
122 if (buf->data[offset-1] != '\n')
123 continue;
124 else {
125 buf->data[offset-1] = '\0'; /* blat the '\n' */
126 if (!(p = malloc(add + offset)))
127 goto err;
128 offset = 0;
129 }
130 pp = (char **)p;
131 p += add;
132 n = 0;
133 pp[n++] = p;
134 i = 0;
135 f = buf->data;
136
137 esc = 0;
138 for (;;) {
139 if (*f == '\0')
140 break;
141 if (*f == '\t') {
142 if (esc)
143 p--;
144 else {
145 *(p++)='\0';
146 f++;
147 if (n >= num)
148 break;
149 pp[n++] = p;
150 continue;
151 }
152 }
153 esc=(*f == '\\');
154 *(p++)= *(f++);
155 }
156 *(p++)='\0';
157 if ((n != num) || (*f != '\0')) {
158 fprintf(stderr, "wrong number of fields on line %ld (looking for field %d, got %d, '%s' left)\n",ln,num,n,f);
159 er = 2;
160 goto err;
161 }
162 pp[n] = p;
163 if (!sk_OPENSSL_PSTRING_push(ret->data, pp)) {
164 fprintf(stderr, "failure in sk_push\n");
165 er = 2;
166 goto err;
167 }
168 }
169 er = 0;
170
171err:
172 BUF_MEM_free(buf);
173 if (er) {
174 if (er == 1)
175 fprintf(stderr, "malloc failure\n");
176 if (ret != NULL) {
177 if (ret->data != NULL)
178 sk_OPENSSL_PSTRING_free(ret->data);
179 free(ret->index);
180 free(ret->qual);
181 free(ret);
182 }
183 return (NULL);
184 } else
185 return (ret);
186}
187LCRYPTO_ALIAS(TXT_DB_read);
188
189OPENSSL_STRING *
190TXT_DB_get_by_index(TXT_DB *db, int idx, OPENSSL_STRING *value)
191{
192 OPENSSL_STRING *ret;
193 LHASH_OF(OPENSSL_STRING) *lh;
194
195 if (idx >= db->num_fields) {
196 db->error = DB_ERROR_INDEX_OUT_OF_RANGE;
197 return (NULL);
198 }
199 lh = db->index[idx];
200 if (lh == NULL) {
201 db->error = DB_ERROR_NO_INDEX;
202 return (NULL);
203 }
204 ret = lh_OPENSSL_STRING_retrieve(lh, value);
205 db->error = DB_ERROR_OK;
206 return (ret);
207}
208LCRYPTO_ALIAS(TXT_DB_get_by_index);
209
210int
211TXT_DB_create_index(TXT_DB *db, int field, int (*qual)(OPENSSL_STRING *),
212 LHASH_HASH_FN_TYPE hash, LHASH_COMP_FN_TYPE cmp)
213{
214 LHASH_OF(OPENSSL_STRING) *idx;
215 OPENSSL_STRING *r;
216 int i, n;
217
218 if (field >= db->num_fields) {
219 db->error = DB_ERROR_INDEX_OUT_OF_RANGE;
220 return (0);
221 }
222 /* FIXME: we lose type checking at this point */
223 if ((idx = (LHASH_OF(OPENSSL_STRING) *)lh_new(hash, cmp)) == NULL) {
224 db->error = DB_ERROR_MALLOC;
225 return (0);
226 }
227 n = sk_OPENSSL_PSTRING_num(db->data);
228 for (i = 0; i < n; i++) {
229 r = sk_OPENSSL_PSTRING_value(db->data, i);
230 if ((qual != NULL) && (qual(r) == 0))
231 continue;
232 if ((r = lh_OPENSSL_STRING_insert(idx, r)) != NULL) {
233 db->error = DB_ERROR_INDEX_CLASH;
234 db->arg1 = sk_OPENSSL_PSTRING_find(db->data, r);
235 db->arg2 = i;
236 lh_OPENSSL_STRING_free(idx);
237 return (0);
238 }
239 }
240 if (db->index[field] != NULL)
241 lh_OPENSSL_STRING_free(db->index[field]);
242 db->index[field] = idx;
243 db->qual[field] = qual;
244 return (1);
245}
246LCRYPTO_ALIAS(TXT_DB_create_index);
247
248long
249TXT_DB_write(BIO *out, TXT_DB *db)
250{
251 long i, j,n, nn, l, tot = 0;
252 char *p, **pp, *f;
253 BUF_MEM *buf = NULL;
254 long ret = -1;
255
256 if ((buf = BUF_MEM_new()) == NULL)
257 goto err;
258 n = sk_OPENSSL_PSTRING_num(db->data);
259 nn = db->num_fields;
260 for (i = 0; i < n; i++) {
261 pp = sk_OPENSSL_PSTRING_value(db->data, i);
262
263 l = 0;
264 for (j = 0; j < nn; j++) {
265 if (pp[j] != NULL)
266 l += strlen(pp[j]);
267 }
268 if (!BUF_MEM_grow_clean(buf, (int)(l*2 + nn)))
269 goto err;
270
271 p = buf->data;
272 for (j = 0; j < nn; j++) {
273 f = pp[j];
274 if (f != NULL)
275 for (;;) {
276 if (*f == '\0')
277 break;
278 if (*f == '\t')
279 *(p++) = '\\';
280 *(p++) = *(f++);
281 }
282 *(p++) = '\t';
283 }
284 p[-1] = '\n';
285 j = p - buf->data;
286 if (BIO_write(out, buf->data, (int)j) != j)
287 goto err;
288 tot += j;
289 }
290 ret = tot;
291
292err:
293 if (buf != NULL)
294 BUF_MEM_free(buf);
295 return (ret);
296}
297LCRYPTO_ALIAS(TXT_DB_write);
298
299int
300TXT_DB_insert(TXT_DB *db, OPENSSL_STRING *row)
301{
302 int i;
303 OPENSSL_STRING *r;
304
305 for (i = 0; i < db->num_fields; i++) {
306 if (db->index[i] != NULL) {
307 if ((db->qual[i] != NULL) && (db->qual[i](row) == 0))
308 continue;
309 r = lh_OPENSSL_STRING_retrieve(db->index[i], row);
310 if (r != NULL) {
311 db->error = DB_ERROR_INDEX_CLASH;
312 db->arg1 = i;
313 db->arg_row = r;
314 goto err;
315 }
316 }
317 }
318 /* We have passed the index checks, now just append and insert */
319 if (!sk_OPENSSL_PSTRING_push(db->data, row)) {
320 db->error = DB_ERROR_MALLOC;
321 goto err;
322 }
323
324 for (i = 0; i < db->num_fields; i++) {
325 if (db->index[i] != NULL) {
326 if ((db->qual[i] != NULL) && (db->qual[i](row) == 0))
327 continue;
328 (void)lh_OPENSSL_STRING_insert(db->index[i], row);
329 }
330 }
331 return (1);
332
333err:
334 return (0);
335}
336LCRYPTO_ALIAS(TXT_DB_insert);
337
338void
339TXT_DB_free(TXT_DB *db)
340{
341 int i, n;
342 char **p, *max;
343
344 if (db == NULL)
345 return;
346
347 if (db->index != NULL) {
348 for (i = db->num_fields - 1; i >= 0; i--)
349 if (db->index[i] != NULL)
350 lh_OPENSSL_STRING_free(db->index[i]);
351 free(db->index);
352 }
353 free(db->qual);
354 if (db->data != NULL) {
355 for (i = sk_OPENSSL_PSTRING_num(db->data) - 1; i >= 0; i--) {
356 /* check if any 'fields' have been allocated
357 * from outside of the initial block */
358 p = sk_OPENSSL_PSTRING_value(db->data, i);
359 max = p[db->num_fields]; /* last address */
360 if (max == NULL) /* new row */
361 {
362 for (n = 0; n < db->num_fields; n++)
363 free(p[n]);
364 } else {
365 for (n = 0; n < db->num_fields; n++) {
366 if (((p[n] < (char *)p) ||
367 (p[n] > max)) &&
368 (p[n] != NULL))
369 free(p[n]);
370 }
371 }
372 free(sk_OPENSSL_PSTRING_value(db->data, i));
373 }
374 sk_OPENSSL_PSTRING_free(db->data);
375 }
376 free(db);
377}
378LCRYPTO_ALIAS(TXT_DB_free);
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2026-01-01 05:40:18 +0000