crypto/conf/conf_def.c

   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 /* Part of the code in here was originally in conf.c, which is now removed */
  60
  61 #include <stdio.h>
  62 #include <string.h>
  63 #include <openssl/stack.h>
  64 #include <openssl/lhash.h>
  65 #include <openssl/conf.h>
  66 #include <openssl/conf_api.h>
  67 #include "conf_def.h"
  68 #include <openssl/buffer.h>
  69 #include <openssl/err.h>
  70
  71 static char *eat_ws(CONF *conf, char *p);
  72 static char *eat_alpha_numeric(CONF *conf, char *p);
  73 static void clear_comments(CONF *conf, char *p);
  74 static int str_copy(CONF *conf,char *section,char **to, char *from);
  75 static char *scan_quote(CONF *conf, char *p);
  76 static char *scan_dquote(CONF *conf, char *p);
  77 #define scan_esc(conf,p)        (((IS_EOF((conf),(p)[1]))?((p)+1):((p)+2)))
  78
  79 static CONF *def_create(CONF_METHOD *meth);
  80 static int def_init_default(CONF *conf);
  81 static int def_init_WIN32(CONF *conf);
  82 static int def_destroy(CONF *conf);
  83 static int def_destroy_data(CONF *conf);
  84 static int def_load(CONF *conf, const char *name, long *eline);
  85 static int def_load_bio(CONF *conf, BIO *bp, long *eline);
  86 static int def_dump(CONF *conf, BIO *bp);
  87 static int def_is_number(CONF *conf, char c);
  88 static int def_to_int(CONF *conf, char c);
  89
  90 const char *CONF_def_version="CONF_def" OPENSSL_VERSION_PTEXT;
  91
  92 static CONF_METHOD default_method = {
  93         "OpenSSL default",
  94         def_create,
  95         def_init_default,
  96         def_destroy,
  97         def_destroy_data,
  98         def_load_bio,
  99         def_dump,
 100         def_is_number,
 101         def_to_int,
 102         def_load
 103         };
 104
 105 static CONF_METHOD WIN32_method = {
 106         "WIN32",
 107         def_create,
 108         def_init_WIN32,
 109         def_destroy,
 110         def_destroy_data,
 111         def_load_bio,
 112         def_dump,
 113         def_is_number,
 114         def_to_int,
 115         def_load
 116         };
 117
 118 CONF_METHOD *NCONF_default()
 119         {
 120         return &default_method;
 121         }
 122 CONF_METHOD *NCONF_WIN32()
 123         {
 124         return &WIN32_method;
 125         }
 126
 127 static CONF *def_create(CONF_METHOD *meth)
 128         {
 129         CONF *ret;
 130
 131         ret = (CONF *)OPENSSL_malloc(sizeof(CONF) + sizeof(unsigned short *));
 132         if (ret)
 133                 if (meth->init(ret) == 0)
 134                         {
 135                         OPENSSL_free(ret);
 136                         ret = NULL;
 137                         }
 138         return ret;
 139         }
 140
 141 static int def_init_default(CONF *conf)
 142         {
 143         if (conf == NULL)
 144                 return 0;
 145
 146         conf->meth = &default_method;
 147         conf->meth_data = (void *)CONF_type_default;
 148         conf->data = NULL;
 149
 150         return 1;
 151         }
 152
 153 static int def_init_WIN32(CONF *conf)
 154         {
 155         if (conf == NULL)
 156                 return 0;
 157
 158         conf->meth = &WIN32_method;
 159         conf->meth_data = (void *)CONF_type_win32;
 160         conf->data = NULL;
 161
 162         return 1;
 163         }
 164
 165 static int def_destroy(CONF *conf)
 166         {
 167         if (def_destroy_data(conf))
 168                 {
 169                 OPENSSL_free(conf);
 170                 return 1;
 171                 }
 172         return 0;
 173         }
 174
 175 static int def_destroy_data(CONF *conf)
 176         {
 177         if (conf == NULL)
 178                 return 0;
 179         _CONF_free_data(conf);
 180         return 1;
 181         }
 182
 183 static int def_load(CONF *conf, const char *name, long *line)
 184         {
 185         int ret;
 186         BIO *in=NULL;
 187
 188 #ifdef VMS
 189         in=BIO_new_file(name, "r");
 190 #else
 191         in=BIO_new_file(name, "rb");
 192 #endif
 193         if (in == NULL)
 194                 {
 195                 CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
 196                 return 0;
 197                 }
 198
 199         ret = def_load_bio(conf, in, line);
 200         BIO_free(in);
 201
 202         return ret;
 203         }
 204
 205 static int def_load_bio(CONF *conf, BIO *in, long *line)
 206         {
 207 #define BUFSIZE 512
 208         char btmp[16];
 209         int bufnum=0,i,ii;
 210         BUF_MEM *buff=NULL;
 211         char *s,*p,*end;
 212         int again,n;
 213         long eline=0;
 214         CONF_VALUE *v=NULL,*tv;
 215         CONF_VALUE *sv=NULL;
 216         char *section=NULL,*buf;
 217         STACK_OF(CONF_VALUE) *section_sk=NULL,*ts;
 218         char *start,*psection,*pname;
 219         void *h = (void *)(conf->data);
 220
 221         if ((buff=BUF_MEM_new()) == NULL)
 222                 {
 223                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
 224                 goto err;
 225                 }
 226
 227         section=(char *)OPENSSL_malloc(10);
 228         if (section == NULL)
 229                 {
 230                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
 231                 goto err;
 232                 }
 233         strcpy(section,"default");
 234
 235         if (_CONF_new_data(conf) == 0)
 236                 {
 237                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
 238                 goto err;
 239                 }
 240
 241         sv=_CONF_new_section(conf,section);
 242         if (sv == NULL)
 243                 {
 244                 CONFerr(CONF_F_CONF_LOAD_BIO,
 245                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 246                 goto err;
 247                 }
 248         section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
 249
 250         bufnum=0;
 251         for (;;)
 252                 {
 253                 again=0;
 254                 if (!BUF_MEM_grow(buff,bufnum+BUFSIZE))
 255                         {
 256                         CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
 257                         goto err;
 258                         }
 259                 p= &(buff->data[bufnum]);
 260                 *p='\0';
 261                 BIO_gets(in, p, BUFSIZE-1);
 262                 p[BUFSIZE-1]='\0';
 263                 ii=i=strlen(p);
 264                 if (i == 0) break;
 265                 while (i > 0)
 266                         {
 267                         if ((p[i-1] != '\r') && (p[i-1] != '\n'))
 268                                 break;
 269                         else
 270                                 i--;
 271                         }
 272                 /* we removed some trailing stuff so there is a new
 273                  * line on the end. */
 274                 if (i == ii)
 275                         again=1; /* long line */
 276                 else
 277                         {
 278                         p[i]='\0';
 279                         eline++; /* another input line */
 280                         }
 281
 282                 /* we now have a line with trailing \r\n removed */
 283
 284                 /* i is the number of bytes */
 285                 bufnum+=i;
 286
 287                 v=NULL;
 288                 /* check for line continuation */
 289                 if (bufnum >= 1)
 290                         {
 291                         /* If we have bytes and the last char '\\' and
 292                          * second last char is not '\\' */
 293                         p= &(buff->data[bufnum-1]);
 294                         if (IS_ESC(conf,p[0]) &&
 295                                 ((bufnum <= 1) || !IS_ESC(conf,p[-1])))
 296                                 {
 297                                 bufnum--;
 298                                 again=1;
 299                                 }
 300                         }
 301                 if (again) continue;
 302                 bufnum=0;
 303                 buf=buff->data;
 304
 305                 clear_comments(conf, buf);
 306                 n=strlen(buf);
 307                 s=eat_ws(conf, buf);
 308                 if (IS_EOF(conf,*s)) continue; /* blank line */
 309                 if (*s == '[')
 310                         {
 311                         char *ss;
 312
 313                         s++;
 314                         start=eat_ws(conf, s);
 315                         ss=start;
 316 again:
 317                         end=eat_alpha_numeric(conf, ss);
 318                         p=eat_ws(conf, end);
 319                         if (*p != ']')
 320                                 {
 321                                 if (*p != '\0')
 322                                         {
 323                                         ss=p;
 324                                         goto again;
 325                                         }
 326                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 327                                         CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
 328                                 goto err;
 329                                 }
 330                         *end='\0';
 331                         if (!str_copy(conf,NULL,&section,start)) goto err;
 332                         if ((sv=_CONF_get_section(conf,section)) == NULL)
 333                                 sv=_CONF_new_section(conf,section);
 334                         if (sv == NULL)
 335                                 {
 336                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 337                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 338                                 goto err;
 339                                 }
 340                         section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
 341                         continue;
 342                         }
 343                 else
 344                         {
 345                         pname=s;
 346                         psection=NULL;
 347                         end=eat_alpha_numeric(conf, s);
 348                         if ((end[0] == ':') && (end[1] == ':'))
 349                                 {
 350                                 *end='\0';
 351                                 end+=2;
 352                                 psection=pname;
 353                                 pname=end;
 354                                 end=eat_alpha_numeric(conf, end);
 355                                 }
 356                         p=eat_ws(conf, end);
 357                         if (*p != '=')
 358                                 {
 359                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 360                                                 CONF_R_MISSING_EQUAL_SIGN);
 361                                 goto err;
 362                                 }
 363                         *end='\0';
 364                         p++;
 365                         start=eat_ws(conf, p);
 366                         while (!IS_EOF(conf,*p))
 367                                 p++;
 368                         p--;
 369                         while ((p != start) && (IS_WS(conf,*p)))
 370                                 p--;
 371                         p++;
 372                         *p='\0';
 373
 374                         if (!(v=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))))
 375                                 {
 376                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 377                                                         ERR_R_MALLOC_FAILURE);
 378                                 goto err;
 379                                 }
 380                         if (psection == NULL) psection=section;
 381                         v->name=(char *)OPENSSL_malloc(strlen(pname)+1);
 382                         v->value=NULL;
 383                         if (v->name == NULL)
 384                                 {
 385                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 386                                                         ERR_R_MALLOC_FAILURE);
 387                                 goto err;
 388                                 }
 389                         strcpy(v->name,pname);
 390                         if (!str_copy(conf,psection,&(v->value),start)) goto err;
 391
 392                         if (strcmp(psection,section) != 0)
 393                                 {
 394                                 if ((tv=_CONF_get_section(conf,psection))
 395                                         == NULL)
 396                                         tv=_CONF_new_section(conf,psection);
 397                                 if (tv == NULL)
 398                                         {
 399                                         CONFerr(CONF_F_CONF_LOAD_BIO,
 400                                            CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 401                                         goto err;
 402                                         }
 403                                 ts=(STACK_OF(CONF_VALUE) *)tv->value;
 404                                 }
 405                         else
 406                                 {
 407                                 tv=sv;
 408                                 ts=section_sk;
 409                                 }
 410 #if 1
 411                         if (_CONF_add_string(conf, tv, v) == 0)
 412                                 {
 413                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 414                                                         ERR_R_MALLOC_FAILURE);
 415                                 goto err;
 416                                 }
 417 #else
 418                         v->section=tv->section;
 419                         if (!sk_CONF_VALUE_push(ts,v))
 420                                 {
 421                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 422                                                         ERR_R_MALLOC_FAILURE);
 423                                 goto err;
 424                                 }
 425                         vv=(CONF_VALUE *)lh_insert(conf->data,v);
 426                         if (vv != NULL)
 427                                 {
 428                                 sk_CONF_VALUE_delete_ptr(ts,vv);
 429                                 OPENSSL_free(vv->name);
 430                                 OPENSSL_free(vv->value);
 431                                 OPENSSL_free(vv);
 432                                 }
 433 #endif
 434                         v=NULL;
 435                         }
 436                 }
 437         if (buff != NULL) BUF_MEM_free(buff);
 438         if (section != NULL) OPENSSL_free(section);
 439         return(1);
 440 err:
 441         if (buff != NULL) BUF_MEM_free(buff);
 442         if (section != NULL) OPENSSL_free(section);
 443         if (line != NULL) *line=eline;
 444         sprintf(btmp,"%ld",eline);
 445         ERR_add_error_data(2,"line ",btmp);
 446         if ((h != conf->data) && (conf->data != NULL)) CONF_free(conf->data);
 447         if (v != NULL)
 448                 {
 449                 if (v->name != NULL) OPENSSL_free(v->name);
 450                 if (v->value != NULL) OPENSSL_free(v->value);
 451                 if (v != NULL) OPENSSL_free(v);
 452                 }
 453         return(0);
 454         }
 455
 456 static void clear_comments(CONF *conf, char *p)
 457         {
 458         char *to;
 459
 460         to=p;
 461         for (;;)
 462                 {
 463                 if (IS_FCOMMENT(conf,*p))
 464                         {
 465                         *p='\0';
 466                         return;
 467                         }
 468                 if (!IS_WS(conf,*p))
 469                         {
 470                         break;
 471                         }
 472                 p++;
 473                 }
 474
 475         for (;;)
 476                 {
 477                 if (IS_COMMENT(conf,*p))
 478                         {
 479                         *p='\0';
 480                         return;
 481                         }
 482                 if (IS_DQUOTE(conf,*p))
 483                         {
 484                         p=scan_dquote(conf, p);
 485                         continue;
 486                         }
 487                 if (IS_QUOTE(conf,*p))
 488                         {
 489                         p=scan_quote(conf, p);
 490                         continue;
 491                         }
 492                 if (IS_ESC(conf,*p))
 493                         {
 494                         p=scan_esc(conf,p);
 495                         continue;
 496                         }
 497                 if (IS_EOF(conf,*p))
 498                         return;
 499                 else
 500                         p++;
 501                 }
 502         }
 503
 504 static int str_copy(CONF *conf, char *section, char **pto, char *from)
 505         {
 506         int q,r,rr=0,to=0,len=0;
 507         char *s,*e,*rp,*p,*rrp,*np,*cp,v;
 508         BUF_MEM *buf;
 509
 510         if ((buf=BUF_MEM_new()) == NULL) return(0);
 511
 512         len=strlen(from)+1;
 513         if (!BUF_MEM_grow(buf,len)) goto err;
 514
 515         for (;;)
 516                 {
 517                 if (IS_QUOTE(conf,*from))
 518                         {
 519                         q= *from;
 520                         from++;
 521                         while (!IS_EOF(conf,*from) && (*from != q))
 522                                 {
 523                                 if (IS_ESC(conf,*from))
 524                                         {
 525                                         from++;
 526                                         if (IS_EOF(conf,*from)) break;
 527                                         }
 528                                 buf->data[to++]= *(from++);
 529                                 }
 530                         if (*from == q) from++;
 531                         }
 532                 else if (IS_DQUOTE(conf,*from))
 533                         {
 534                         q= *from;
 535                         from++;
 536                         while (!IS_EOF(conf,*from))
 537                                 {
 538                                 if (*from == q)
 539                                         {
 540                                         if (*(from+1) == q)
 541                                                 {
 542                                                 from++;
 543                                                 }
 544                                         else
 545                                                 {
 546                                                 break;
 547                                                 }
 548                                         }
 549                                 buf->data[to++]= *(from++);
 550                                 }
 551                         if (*from == q) from++;
 552                         }
 553                 else if (IS_ESC(conf,*from))
 554                         {
 555                         from++;
 556                         v= *(from++);
 557                         if (IS_EOF(conf,v)) break;
 558                         else if (v == 'r') v='\r';
 559                         else if (v == 'n') v='\n';
 560                         else if (v == 'b') v='\b';
 561                         else if (v == 't') v='\t';
 562                         buf->data[to++]= v;
 563                         }
 564                 else if (IS_EOF(conf,*from))
 565                         break;
 566                 else if (*from == '$')
 567                         {
 568                         /* try to expand it */
 569                         rrp=NULL;
 570                         s= &(from[1]);
 571                         if (*s == '{')
 572                                 q='}';
 573                         else if (*s == '(')
 574                                 q=')';
 575                         else q=0;
 576
 577                         if (q) s++;
 578                         cp=section;
 579                         e=np=s;
 580                         while (IS_ALPHA_NUMERIC(conf,*e))
 581                                 e++;
 582                         if ((e[0] == ':') && (e[1] == ':'))
 583                                 {
 584                                 cp=np;
 585                                 rrp=e;
 586                                 rr= *e;
 587                                 *rrp='\0';
 588                                 e+=2;
 589                                 np=e;
 590                                 while (IS_ALPHA_NUMERIC(conf,*e))
 591                                         e++;
 592                                 }
 593                         r= *e;
 594                         *e='\0';
 595                         rp=e;
 596                         if (q)
 597                                 {
 598                                 if (r != q)
 599                                         {
 600                                         CONFerr(CONF_F_STR_COPY,CONF_R_NO_CLOSE_BRACE);
 601                                         goto err;
 602                                         }
 603                                 e++;
 604                                 }
 605                         /* So at this point we have
 606                          * ns which is the start of the name string which is
 607                          *   '\0' terminated.
 608                          * cs which is the start of the section string which is
 609                          *   '\0' terminated.
 610                          * e is the 'next point after'.
 611                          * r and s are the chars replaced by the '\0'
 612                          * rp and sp is where 'r' and 's' came from.
 613                          */
 614                         p=_CONF_get_string(conf,cp,np);
 615                         if (rrp != NULL) *rrp=rr;
 616                         *rp=r;
 617                         if (p == NULL)
 618                                 {
 619                                 CONFerr(CONF_F_STR_COPY,CONF_R_VARIABLE_HAS_NO_VALUE);
 620                                 goto err;
 621                                 }
 622                         BUF_MEM_grow(buf,(strlen(p)+len-(e-from)));
 623                         while (*p)
 624                                 buf->data[to++]= *(p++);
 625                         from=e;
 626                         }
 627                 else
 628                         buf->data[to++]= *(from++);
 629                 }
 630         buf->data[to]='\0';
 631         if (*pto != NULL) OPENSSL_free(*pto);
 632         *pto=buf->data;
 633         OPENSSL_free(buf);
 634         return(1);
 635 err:
 636         if (buf != NULL) BUF_MEM_free(buf);
 637         return(0);
 638         }
 639
 640 static char *eat_ws(CONF *conf, char *p)
 641         {
 642         while (IS_WS(conf,*p) && (!IS_EOF(conf,*p)))
 643                 p++;
 644         return(p);
 645         }
 646
 647 static char *eat_alpha_numeric(CONF *conf, char *p)
 648         {
 649         for (;;)
 650                 {
 651                 if (IS_ESC(conf,*p))
 652                         {
 653                         p=scan_esc(conf,p);
 654                         continue;
 655                         }
 656                 if (!IS_ALPHA_NUMERIC_PUNCT(conf,*p))
 657                         return(p);
 658                 p++;
 659                 }
 660         }
 661
 662 static char *scan_quote(CONF *conf, char *p)
 663         {
 664         int q= *p;
 665
 666         p++;
 667         while (!(IS_EOF(conf,*p)) && (*p != q))
 668                 {
 669                 if (IS_ESC(conf,*p))
 670                         {
 671                         p++;
 672                         if (IS_EOF(conf,*p)) return(p);
 673                         }
 674                 p++;
 675                 }
 676         if (*p == q) p++;
 677         return(p);
 678         }
 679
 680
 681 static char *scan_dquote(CONF *conf, char *p)
 682         {
 683         int q= *p;
 684
 685         p++;
 686         while (!(IS_EOF(conf,*p)))
 687                 {
 688                 if (*p == q)
 689                         {
 690                         if (*(p+1) == q)
 691                                 {
 692                                 p++;
 693                                 }
 694                         else
 695                                 {
 696                                 break;
 697                                 }
 698                         }
 699                 p++;
 700                 }
 701         if (*p == q) p++;
 702         return(p);
 703         }
 704
 705 static void dump_value(CONF_VALUE *a, BIO *out)
 706         {
 707         if (a->name)
 708                 BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value);
 709         else
 710                 BIO_printf(out, "[[%s]]\n", a->section);
 711         }
 712
 713 static int def_dump(CONF *conf, BIO *out)
 714         {
 715         lh_doall_arg(conf->data, (void (*)())dump_value, out);
 716         return 1;
 717         }
 718
 719 static int def_is_number(CONF *conf, char c)
 720         {
 721         return IS_NUMBER(conf,c);
 722         }
 723
 724 static int def_to_int(CONF *conf, char c)
 725         {
 726         return c - '0';
 727         }
 728