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-rw-r--r--src/lib/libcrypto/conf/conf.c730
1 files changed, 0 insertions, 730 deletions
diff --git a/src/lib/libcrypto/conf/conf.c b/src/lib/libcrypto/conf/conf.c
index 3031fa3b44..e69de29bb2 100644
--- a/src/lib/libcrypto/conf/conf.c
+++ b/src/lib/libcrypto/conf/conf.c
@@ -1,730 +0,0 @@
1/* crypto/conf/conf.c */
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 <errno.h>
61#include "cryptlib.h"
62#include <openssl/stack.h>
63#include <openssl/lhash.h>
64#include <openssl/conf.h>
65#include <openssl/buffer.h>
66#include <openssl/err.h>
67
68#include "conf_lcl.h"
69
70static void value_free_hash(CONF_VALUE *a, LHASH *conf);
71static void value_free_stack(CONF_VALUE *a,LHASH *conf);
72static unsigned long hash(CONF_VALUE *v);
73static int cmp_conf(CONF_VALUE *a,CONF_VALUE *b);
74static char *eat_ws(char *p);
75static char *eat_alpha_numeric(char *p);
76static void clear_comments(char *p);
77static int str_copy(LHASH *conf,char *section,char **to, char *from);
78static char *scan_quote(char *p);
79static CONF_VALUE *new_section(LHASH *conf,char *section);
80static CONF_VALUE *get_section(LHASH *conf,char *section);
81#define scan_esc(p) ((((p)[1] == '\0')?(p++):(p+=2)),p)
82
83const char *CONF_version="CONF" OPENSSL_VERSION_PTEXT;
84
85
86LHASH *CONF_load(LHASH *h, const char *file, long *line)
87 {
88 LHASH *ltmp;
89 BIO *in=NULL;
90
91#ifdef VMS
92 in=BIO_new_file(file, "r");
93#else
94 in=BIO_new_file(file, "rb");
95#endif
96 if (in == NULL)
97 {
98 CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
99 return NULL;
100 }
101
102 ltmp = CONF_load_bio(h, in, line);
103 BIO_free(in);
104
105 return ltmp;
106}
107#ifndef NO_FP_API
108LHASH *CONF_load_fp(LHASH *h, FILE *in, long *line)
109{
110 BIO *btmp;
111 LHASH *ltmp;
112 if(!(btmp = BIO_new_fp(in, BIO_NOCLOSE))) {
113 CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
114 return NULL;
115 }
116 ltmp = CONF_load_bio(h, btmp, line);
117 BIO_free(btmp);
118 return ltmp;
119}
120#endif
121
122LHASH *CONF_load_bio(LHASH *h, BIO *in, long *line)
123 {
124 LHASH *ret=NULL;
125#define BUFSIZE 512
126 char btmp[16];
127 int bufnum=0,i,ii;
128 BUF_MEM *buff=NULL;
129 char *s,*p,*end;
130 int again,n;
131 long eline=0;
132 CONF_VALUE *v=NULL,*vv,*tv;
133 CONF_VALUE *sv=NULL;
134 char *section=NULL,*buf;
135 STACK_OF(CONF_VALUE) *section_sk=NULL,*ts;
136 char *start,*psection,*pname;
137
138 if ((buff=BUF_MEM_new()) == NULL)
139 {
140 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
141 goto err;
142 }
143
144 section=(char *)Malloc(10);
145 if (section == NULL)
146 {
147 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
148 goto err;
149 }
150 strcpy(section,"default");
151
152 if (h == NULL)
153 {
154 if ((ret=lh_new(hash,cmp_conf)) == NULL)
155 {
156 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
157 goto err;
158 }
159 }
160 else
161 ret=h;
162
163 sv=new_section(ret,section);
164 if (sv == NULL)
165 {
166 CONFerr(CONF_F_CONF_LOAD_BIO,
167 CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
168 goto err;
169 }
170 section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
171
172 bufnum=0;
173 for (;;)
174 {
175 again=0;
176 if (!BUF_MEM_grow(buff,bufnum+BUFSIZE))
177 {
178 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
179 goto err;
180 }
181 p= &(buff->data[bufnum]);
182 *p='\0';
183 BIO_gets(in, p, BUFSIZE-1);
184 p[BUFSIZE-1]='\0';
185 ii=i=strlen(p);
186 if (i == 0) break;
187 while (i > 0)
188 {
189 if ((p[i-1] != '\r') && (p[i-1] != '\n'))
190 break;
191 else
192 i--;
193 }
194 /* we removed some trailing stuff so there is a new
195 * line on the end. */
196 if (i == ii)
197 again=1; /* long line */
198 else
199 {
200 p[i]='\0';
201 eline++; /* another input line */
202 }
203
204 /* we now have a line with trailing \r\n removed */
205
206 /* i is the number of bytes */
207 bufnum+=i;
208
209 v=NULL;
210 /* check for line continuation */
211 if (bufnum >= 1)
212 {
213 /* If we have bytes and the last char '\\' and
214 * second last char is not '\\' */
215 p= &(buff->data[bufnum-1]);
216 if ( IS_ESC(p[0]) &&
217 ((bufnum <= 1) || !IS_ESC(p[-1])))
218 {
219 bufnum--;
220 again=1;
221 }
222 }
223 if (again) continue;
224 bufnum=0;
225 buf=buff->data;
226
227 clear_comments(buf);
228 n=strlen(buf);
229 s=eat_ws(buf);
230 if (IS_EOF(*s)) continue; /* blank line */
231 if (*s == '[')
232 {
233 char *ss;
234
235 s++;
236 start=eat_ws(s);
237 ss=start;
238again:
239 end=eat_alpha_numeric(ss);
240 p=eat_ws(end);
241 if (*p != ']')
242 {
243 if (*p != '\0')
244 {
245 ss=p;
246 goto again;
247 }
248 CONFerr(CONF_F_CONF_LOAD_BIO,
249 CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
250 goto err;
251 }
252 *end='\0';
253 if (!str_copy(ret,NULL,&section,start)) goto err;
254 if ((sv=get_section(ret,section)) == NULL)
255 sv=new_section(ret,section);
256 if (sv == NULL)
257 {
258 CONFerr(CONF_F_CONF_LOAD_BIO,
259 CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
260 goto err;
261 }
262 section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
263 continue;
264 }
265 else
266 {
267 pname=s;
268 psection=NULL;
269 end=eat_alpha_numeric(s);
270 if ((end[0] == ':') && (end[1] == ':'))
271 {
272 *end='\0';
273 end+=2;
274 psection=pname;
275 pname=end;
276 end=eat_alpha_numeric(end);
277 }
278 p=eat_ws(end);
279 if (*p != '=')
280 {
281 CONFerr(CONF_F_CONF_LOAD_BIO,
282 CONF_R_MISSING_EQUAL_SIGN);
283 goto err;
284 }
285 *end='\0';
286 p++;
287 start=eat_ws(p);
288 while (!IS_EOF(*p))
289 p++;
290 p--;
291 while ((p != start) && (IS_WS(*p)))
292 p--;
293 p++;
294 *p='\0';
295
296 if (!(v=(CONF_VALUE *)Malloc(sizeof(CONF_VALUE))))
297 {
298 CONFerr(CONF_F_CONF_LOAD_BIO,
299 ERR_R_MALLOC_FAILURE);
300 goto err;
301 }
302 if (psection == NULL) psection=section;
303 v->name=(char *)Malloc(strlen(pname)+1);
304 v->value=NULL;
305 if (v->name == NULL)
306 {
307 CONFerr(CONF_F_CONF_LOAD_BIO,
308 ERR_R_MALLOC_FAILURE);
309 goto err;
310 }
311 strcpy(v->name,pname);
312 if (!str_copy(ret,psection,&(v->value),start)) goto err;
313
314 if (strcmp(psection,section) != 0)
315 {
316 if ((tv=get_section(ret,psection))
317 == NULL)
318 tv=new_section(ret,psection);
319 if (tv == NULL)
320 {
321 CONFerr(CONF_F_CONF_LOAD_BIO,
322 CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
323 goto err;
324 }
325 ts=(STACK_OF(CONF_VALUE) *)tv->value;
326 }
327 else
328 {
329 tv=sv;
330 ts=section_sk;
331 }
332 v->section=tv->section;
333 if (!sk_CONF_VALUE_push(ts,v))
334 {
335 CONFerr(CONF_F_CONF_LOAD_BIO,
336 ERR_R_MALLOC_FAILURE);
337 goto err;
338 }
339 vv=(CONF_VALUE *)lh_insert(ret,v);
340 if (vv != NULL)
341 {
342 sk_CONF_VALUE_delete_ptr(ts,vv);
343 Free(vv->name);
344 Free(vv->value);
345 Free(vv);
346 }
347 v=NULL;
348 }
349 }
350 if (buff != NULL) BUF_MEM_free(buff);
351 if (section != NULL) Free(section);
352 return(ret);
353err:
354 if (buff != NULL) BUF_MEM_free(buff);
355 if (section != NULL) Free(section);
356 if (line != NULL) *line=eline;
357 sprintf(btmp,"%ld",eline);
358 ERR_add_error_data(2,"line ",btmp);
359 if ((h != ret) && (ret != NULL)) CONF_free(ret);
360 if (v != NULL)
361 {
362 if (v->name != NULL) Free(v->name);
363 if (v->value != NULL) Free(v->value);
364 if (v != NULL) Free(v);
365 }
366 return(NULL);
367 }
368
369char *CONF_get_string(LHASH *conf, char *section, char *name)
370 {
371 CONF_VALUE *v,vv;
372 char *p;
373
374 if (name == NULL) return(NULL);
375 if (conf != NULL)
376 {
377 if (section != NULL)
378 {
379 vv.name=name;
380 vv.section=section;
381 v=(CONF_VALUE *)lh_retrieve(conf,&vv);
382 if (v != NULL) return(v->value);
383 if (strcmp(section,"ENV") == 0)
384 {
385 p=Getenv(name);
386 if (p != NULL) return(p);
387 }
388 }
389 vv.section="default";
390 vv.name=name;
391 v=(CONF_VALUE *)lh_retrieve(conf,&vv);
392 if (v != NULL)
393 return(v->value);
394 else
395 return(NULL);
396 }
397 else
398 return(Getenv(name));
399 }
400
401static CONF_VALUE *get_section(LHASH *conf, char *section)
402 {
403 CONF_VALUE *v,vv;
404
405 if ((conf == NULL) || (section == NULL)) return(NULL);
406 vv.name=NULL;
407 vv.section=section;
408 v=(CONF_VALUE *)lh_retrieve(conf,&vv);
409 return(v);
410 }
411
412STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf, char *section)
413 {
414 CONF_VALUE *v;
415
416 v=get_section(conf,section);
417 if (v != NULL)
418 return((STACK_OF(CONF_VALUE) *)v->value);
419 else
420 return(NULL);
421 }
422
423long CONF_get_number(LHASH *conf, char *section, char *name)
424 {
425 char *str;
426 long ret=0;
427
428 str=CONF_get_string(conf,section,name);
429 if (str == NULL) return(0);
430 for (;;)
431 {
432 if (IS_NUMER(*str))
433 ret=ret*10+(*str -'0');
434 else
435 return(ret);
436 str++;
437 }
438 }
439
440void CONF_free(LHASH *conf)
441 {
442 if (conf == NULL) return;
443
444 conf->down_load=0; /* evil thing to make sure the 'Free()'
445 * works as expected */
446 lh_doall_arg(conf,(void (*)())value_free_hash,conf);
447
448 /* We now have only 'section' entries in the hash table.
449 * Due to problems with */
450
451 lh_doall_arg(conf,(void (*)())value_free_stack,conf);
452 lh_free(conf);
453 }
454
455static void value_free_hash(CONF_VALUE *a, LHASH *conf)
456 {
457 if (a->name != NULL)
458 {
459 a=(CONF_VALUE *)lh_delete(conf,a);
460 }
461 }
462
463static void value_free_stack(CONF_VALUE *a, LHASH *conf)
464 {
465 CONF_VALUE *vv;
466 STACK *sk;
467 int i;
468
469 if (a->name != NULL) return;
470
471 sk=(STACK *)a->value;
472 for (i=sk_num(sk)-1; i>=0; i--)
473 {
474 vv=(CONF_VALUE *)sk_value(sk,i);
475 Free(vv->value);
476 Free(vv->name);
477 Free(vv);
478 }
479 if (sk != NULL) sk_free(sk);
480 Free(a->section);
481 Free(a);
482 }
483
484static void clear_comments(char *p)
485 {
486 char *to;
487
488 to=p;
489 for (;;)
490 {
491 if (IS_COMMENT(*p))
492 {
493 *p='\0';
494 return;
495 }
496 if (IS_QUOTE(*p))
497 {
498 p=scan_quote(p);
499 continue;
500 }
501 if (IS_ESC(*p))
502 {
503 p=scan_esc(p);
504 continue;
505 }
506 if (IS_EOF(*p))
507 return;
508 else
509 p++;
510 }
511 }
512
513static int str_copy(LHASH *conf, char *section, char **pto, char *from)
514 {
515 int q,r,rr=0,to=0,len=0;
516 char *s,*e,*rp,*p,*rrp,*np,*cp,v;
517 BUF_MEM *buf;
518
519 if ((buf=BUF_MEM_new()) == NULL) return(0);
520
521 len=strlen(from)+1;
522 if (!BUF_MEM_grow(buf,len)) goto err;
523
524 for (;;)
525 {
526 if (IS_QUOTE(*from))
527 {
528 q= *from;
529 from++;
530 while ((*from != '\0') && (*from != q))
531 {
532 if (*from == '\\')
533 {
534 from++;
535 if (*from == '\0') break;
536 }
537 buf->data[to++]= *(from++);
538 }
539 }
540 else if (*from == '\\')
541 {
542 from++;
543 v= *(from++);
544 if (v == '\0') break;
545 else if (v == 'r') v='\r';
546 else if (v == 'n') v='\n';
547 else if (v == 'b') v='\b';
548 else if (v == 't') v='\t';
549 buf->data[to++]= v;
550 }
551 else if (*from == '\0')
552 break;
553 else if (*from == '$')
554 {
555 /* try to expand it */
556 rrp=NULL;
557 s= &(from[1]);
558 if (*s == '{')
559 q='}';
560 else if (*s == '(')
561 q=')';
562 else q=0;
563
564 if (q) s++;
565 cp=section;
566 e=np=s;
567 while (IS_ALPHA_NUMERIC(*e))
568 e++;
569 if ((e[0] == ':') && (e[1] == ':'))
570 {
571 cp=np;
572 rrp=e;
573 rr= *e;
574 *rrp='\0';
575 e+=2;
576 np=e;
577 while (IS_ALPHA_NUMERIC(*e))
578 e++;
579 }
580 r= *e;
581 *e='\0';
582 rp=e;
583 if (q)
584 {
585 if (r != q)
586 {
587 CONFerr(CONF_F_STR_COPY,CONF_R_NO_CLOSE_BRACE);
588 goto err;
589 }
590 e++;
591 }
592 /* So at this point we have
593 * ns which is the start of the name string which is
594 * '\0' terminated.
595 * cs which is the start of the section string which is
596 * '\0' terminated.
597 * e is the 'next point after'.
598 * r and s are the chars replaced by the '\0'
599 * rp and sp is where 'r' and 's' came from.
600 */
601 p=CONF_get_string(conf,cp,np);
602 if (rrp != NULL) *rrp=rr;
603 *rp=r;
604 if (p == NULL)
605 {
606 CONFerr(CONF_F_STR_COPY,CONF_R_VARIABLE_HAS_NO_VALUE);
607 goto err;
608 }
609 BUF_MEM_grow(buf,(strlen(p)+len-(e-from)));
610 while (*p)
611 buf->data[to++]= *(p++);
612 from=e;
613 }
614 else
615 buf->data[to++]= *(from++);
616 }
617 buf->data[to]='\0';
618 if (*pto != NULL) Free(*pto);
619 *pto=buf->data;
620 Free(buf);
621 return(1);
622err:
623 if (buf != NULL) BUF_MEM_free(buf);
624 return(0);
625 }
626
627static char *eat_ws(char *p)
628 {
629 while (IS_WS(*p) && (!IS_EOF(*p)))
630 p++;
631 return(p);
632 }
633
634static char *eat_alpha_numeric(char *p)
635 {
636 for (;;)
637 {
638 if (IS_ESC(*p))
639 {
640 p=scan_esc(p);
641 continue;
642 }
643 if (!IS_ALPHA_NUMERIC_PUNCT(*p))
644 return(p);
645 p++;
646 }
647 }
648
649static unsigned long hash(CONF_VALUE *v)
650 {
651 return((lh_strhash(v->section)<<2)^lh_strhash(v->name));
652 }
653
654static int cmp_conf(CONF_VALUE *a, CONF_VALUE *b)
655 {
656 int i;
657
658 if (a->section != b->section)
659 {
660 i=strcmp(a->section,b->section);
661 if (i) return(i);
662 }
663
664 if ((a->name != NULL) && (b->name != NULL))
665 {
666 i=strcmp(a->name,b->name);
667 return(i);
668 }
669 else if (a->name == b->name)
670 return(0);
671 else
672 return((a->name == NULL)?-1:1);
673 }
674
675static char *scan_quote(char *p)
676 {
677 int q= *p;
678
679 p++;
680 while (!(IS_EOF(*p)) && (*p != q))
681 {
682 if (IS_ESC(*p))
683 {
684 p++;
685 if (IS_EOF(*p)) return(p);
686 }
687 p++;
688 }
689 if (*p == q) p++;
690 return(p);
691 }
692
693static CONF_VALUE *new_section(LHASH *conf, char *section)
694 {
695 STACK *sk=NULL;
696 int ok=0,i;
697 CONF_VALUE *v=NULL,*vv;
698
699 if ((sk=sk_new_null()) == NULL)
700 goto err;
701 if ((v=(CONF_VALUE *)Malloc(sizeof(CONF_VALUE))) == NULL)
702 goto err;
703 i=strlen(section)+1;
704 if ((v->section=(char *)Malloc(i)) == NULL)
705 goto err;
706
707 memcpy(v->section,section,i);
708 v->name=NULL;
709 v->value=(char *)sk;
710
711 vv=(CONF_VALUE *)lh_insert(conf,v);
712 if (vv != NULL)
713 {
714#if !defined(NO_STDIO) && !defined(WIN16)
715 fprintf(stderr,"internal fault\n");
716#endif
717 abort();
718 }
719 ok=1;
720err:
721 if (!ok)
722 {
723 if (sk != NULL) sk_free(sk);
724 if (v != NULL) Free(v);
725 v=NULL;
726 }
727 return(v);
728 }
729
730IMPLEMENT_STACK_OF(CONF_VALUE)
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-10-24 19:14:00 +0000