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 #include "cryptlib.h"
  71
  72 static char *eat_ws(CONF *conf, char *p);
  73 static char *eat_alpha_numeric(CONF *conf, char *p);
  74 static void clear_comments(CONF *conf, char *p);
  75 static int str_copy(CONF *conf,char *section,char **to, char *from);
  76 static char *scan_quote(CONF *conf, char *p);
  77 static char *scan_dquote(CONF *conf, char *p);
  78 #define scan_esc(conf,p)        (((IS_EOF((conf),(p)[1]))?((p)+1):((p)+2)))
  79
  80 static CONF *def_create(CONF_METHOD *meth);
  81 static int def_init_default(CONF *conf);
  82 static int def_init_WIN32(CONF *conf);
  83 static int def_destroy(CONF *conf);
  84 static int def_destroy_data(CONF *conf);
  85 static int def_load(CONF *conf, const char *name, long *eline);
  86 static int def_load_bio(CONF *conf, BIO *bp, long *eline);
  87 static int def_dump(const CONF *conf, BIO *bp);
  88 static int def_is_number(const CONF *conf, char c);
  89 static int def_to_int(const CONF *conf, char c);
  90
  91 const char *CONF_def_version="CONF_def" OPENSSL_VERSION_PTEXT;
  92
  93 static CONF_METHOD default_method = {
  94         "OpenSSL default",
  95         def_create,
  96         def_init_default,
  97         def_destroy,
  98         def_destroy_data,
  99         def_load_bio,
 100         def_dump,
 101         def_is_number,
 102         def_to_int,
 103         def_load
 104         };
 105
 106 static CONF_METHOD WIN32_method = {
 107         "WIN32",
 108         def_create,
 109         def_init_WIN32,
 110         def_destroy,
 111         def_destroy_data,
 112         def_load_bio,
 113         def_dump,
 114         def_is_number,
 115         def_to_int,
 116         def_load
 117         };
 118
 119 CONF_METHOD *NCONF_default()
 120         {
 121         return &default_method;
 122         }
 123 CONF_METHOD *NCONF_WIN32()
 124         {
 125         return &WIN32_method;
 126         }
 127
 128 static CONF *def_create(CONF_METHOD *meth)
 129         {
 130         CONF *ret;
 131
 132         ret = (CONF *)OPENSSL_malloc(sizeof(CONF) + sizeof(unsigned short *));
 133         if (ret)
 134                 if (meth->init(ret) == 0)
 135                         {
 136                         OPENSSL_free(ret);
 137                         ret = NULL;
 138                         }
 139         return ret;
 140         }
 141
 142 static int def_init_default(CONF *conf)
 143         {
 144         if (conf == NULL)
 145                 return 0;
 146
 147         conf->meth = &default_method;
 148         conf->meth_data = (void *)CONF_type_default;
 149         conf->data = NULL;
 150
 151         return 1;
 152         }
 153
 154 static int def_init_WIN32(CONF *conf)
 155         {
 156         if (conf == NULL)
 157                 return 0;
 158
 159         conf->meth = &WIN32_method;
 160         conf->meth_data = (void *)CONF_type_win32;
 161         conf->data = NULL;
 162
 163         return 1;
 164         }
 165
 166 static int def_destroy(CONF *conf)
 167         {
 168         if (def_destroy_data(conf))
 169                 {
 170                 OPENSSL_free(conf);
 171                 return 1;
 172                 }
 173         return 0;
 174         }
 175
 176 static int def_destroy_data(CONF *conf)
 177         {
 178         if (conf == NULL)
 179                 return 0;
 180         _CONF_free_data(conf);
 181         return 1;
 182         }
 183
 184 static int def_load(CONF *conf, const char *name, long *line)
 185         {
 186         int ret;
 187         BIO *in=NULL;
 188
 189 #ifdef OPENSSL_SYS_VMS
 190         in=BIO_new_file(name, "r");
 191 #else
 192         in=BIO_new_file(name, "rb");
 193 #endif
 194         if (in == NULL)
 195                 {
 196                 if (ERR_GET_REASON(ERR_peek_last_error()) == BIO_R_NO_SUCH_FILE)
 197                         CONFerr(CONF_F_CONF_LOAD,CONF_R_NO_SUCH_FILE);
 198                 else
 199                         CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
 200                 return 0;
 201                 }
 202
 203         ret = def_load_bio(conf, in, line);
 204         BIO_free(in);
 205
 206         return ret;
 207         }
 208
 209 static int def_load_bio(CONF *conf, BIO *in, long *line)
 210         {
 211 /* The macro BUFSIZE conflicts with a system macro in VxWorks */
 212 #define CONFBUFSIZE     512
 213         int bufnum=0,i,ii;
 214         BUF_MEM *buff=NULL;
 215         char *s,*p,*end;
 216         int again,n;
 217         long eline=0;
 218         char btmp[DECIMAL_SIZE(eline)+1];
 219         CONF_VALUE *v=NULL,*tv;
 220         CONF_VALUE *sv=NULL;
 221         char *section=NULL,*buf;
 222         STACK_OF(CONF_VALUE) *section_sk=NULL,*ts;
 223         char *start,*psection,*pname;
 224         void *h = (void *)(conf->data);
 225
 226         if ((buff=BUF_MEM_new()) == NULL)
 227                 {
 228                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
 229                 goto err;
 230                 }
 231
 232         section=(char *)OPENSSL_malloc(10);
 233         if (section == NULL)
 234                 {
 235                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
 236                 goto err;
 237                 }
 238         strcpy(section,"default");
 239
 240         if (_CONF_new_data(conf) == 0)
 241                 {
 242                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
 243                 goto err;
 244                 }
 245
 246         sv=_CONF_new_section(conf,section);
 247         if (sv == NULL)
 248                 {
 249                 CONFerr(CONF_F_CONF_LOAD_BIO,
 250                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 251                 goto err;
 252                 }
 253         section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
 254
 255         bufnum=0;
 256         for (;;)
 257                 {
 258                 again=0;
 259                 if (!BUF_MEM_grow(buff,bufnum+CONFBUFSIZE))
 260                         {
 261                         CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
 262                         goto err;
 263                         }
 264                 p= &(buff->data[bufnum]);
 265                 *p='\0';
 266                 BIO_gets(in, p, CONFBUFSIZE-1);
 267                 p[CONFBUFSIZE-1]='\0';
 268                 ii=i=strlen(p);
 269                 if (i == 0) break;
 270                 while (i > 0)
 271                         {
 272                         if ((p[i-1] != '\r') && (p[i-1] != '\n'))
 273                                 break;
 274                         else
 275                                 i--;
 276                         }
 277                 /* we removed some trailing stuff so there is a new
 278                  * line on the end. */
 279                 if (i == ii)
 280                         again=1; /* long line */
 281                 else
 282                         {
 283                         p[i]='\0';
 284                         eline++; /* another input line */
 285                         }
 286
 287                 /* we now have a line with trailing \r\n removed */
 288
 289                 /* i is the number of bytes */
 290                 bufnum+=i;
 291
 292                 v=NULL;
 293                 /* check for line continuation */
 294                 if (bufnum >= 1)
 295                         {
 296                         /* If we have bytes and the last char '\\' and
 297                          * second last char is not '\\' */
 298                         p= &(buff->data[bufnum-1]);
 299                         if (IS_ESC(conf,p[0]) &&
 300                                 ((bufnum <= 1) || !IS_ESC(conf,p[-1])))
 301                                 {
 302                                 bufnum--;
 303                                 again=1;
 304                                 }
 305                         }
 306                 if (again) continue;
 307                 bufnum=0;
 308                 buf=buff->data;
 309
 310                 clear_comments(conf, buf);
 311                 n=strlen(buf);
 312                 s=eat_ws(conf, buf);
 313                 if (IS_EOF(conf,*s)) continue; /* blank line */
 314                 if (*s == '[')
 315                         {
 316                         char *ss;
 317
 318                         s++;
 319                         start=eat_ws(conf, s);
 320                         ss=start;
 321 again:
 322                         end=eat_alpha_numeric(conf, ss);
 323                         p=eat_ws(conf, end);
 324                         if (*p != ']')
 325                                 {
 326                                 if (*p != '\0')
 327                                         {
 328                                         ss=p;
 329                                         goto again;
 330                                         }
 331                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 332                                         CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
 333                                 goto err;
 334                                 }
 335                         *end='\0';
 336                         if (!str_copy(conf,NULL,&section,start)) goto err;
 337                         if ((sv=_CONF_get_section(conf,section)) == NULL)
 338                                 sv=_CONF_new_section(conf,section);
 339                         if (sv == NULL)
 340                                 {
 341                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 342                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 343                                 goto err;
 344                                 }
 345                         section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
 346                         continue;
 347                         }
 348                 else
 349                         {
 350                         pname=s;
 351                         psection=NULL;
 352                         end=eat_alpha_numeric(conf, s);
 353                         if ((end[0] == ':') && (end[1] == ':'))
 354                                 {
 355                                 *end='\0';
 356                                 end+=2;
 357                                 psection=pname;
 358                                 pname=end;
 359                                 end=eat_alpha_numeric(conf, end);
 360                                 }
 361                         p=eat_ws(conf, end);
 362                         if (*p != '=')
 363                                 {
 364                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 365                                                 CONF_R_MISSING_EQUAL_SIGN);
 366                                 goto err;
 367                                 }
 368                         *end='\0';
 369                         p++;
 370                         start=eat_ws(conf, p);
 371                         while (!IS_EOF(conf,*p))
 372                                 p++;
 373                         p--;
 374                         while ((p != start) && (IS_WS(conf,*p)))
 375                                 p--;
 376                         p++;
 377                         *p='\0';
 378
 379                         if (!(v=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))))
 380                                 {
 381                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 382                                                         ERR_R_MALLOC_FAILURE);
 383                                 goto err;
 384                                 }
 385                         if (psection == NULL) psection=section;
 386                         v->name=(char *)OPENSSL_malloc(strlen(pname)+1);
 387                         v->value=NULL;
 388                         if (v->name == NULL)
 389                                 {
 390                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 391                                                         ERR_R_MALLOC_FAILURE);
 392                                 goto err;
 393                                 }
 394                         strcpy(v->name,pname);
 395                         if (!str_copy(conf,psection,&(v->value),start)) goto err;
 396
 397                         if (strcmp(psection,section) != 0)
 398                                 {
 399                                 if ((tv=_CONF_get_section(conf,psection))
 400                                         == NULL)
 401                                         tv=_CONF_new_section(conf,psection);
 402                                 if (tv == NULL)
 403                                         {
 404                                         CONFerr(CONF_F_CONF_LOAD_BIO,
 405                                            CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 406                                         goto err;
 407                                         }
 408                                 ts=(STACK_OF(CONF_VALUE) *)tv->value;
 409                                 }
 410                         else
 411                                 {
 412                                 tv=sv;
 413                                 ts=section_sk;
 414                                 }
 415 #if 1
 416                         if (_CONF_add_string(conf, tv, v) == 0)
 417                                 {
 418                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 419                                                         ERR_R_MALLOC_FAILURE);
 420                                 goto err;
 421                                 }
 422 #else
 423                         v->section=tv->section;
 424                         if (!sk_CONF_VALUE_push(ts,v))
 425                                 {
 426                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 427                                                         ERR_R_MALLOC_FAILURE);
 428                                 goto err;
 429                                 }
 430                         vv=(CONF_VALUE *)lh_insert(conf->data,v);
 431                         if (vv != NULL)
 432                                 {
 433                                 sk_CONF_VALUE_delete_ptr(ts,vv);
 434                                 OPENSSL_free(vv->name);
 435                                 OPENSSL_free(vv->value);
 436                                 OPENSSL_free(vv);
 437                                 }
 438 #endif
 439                         v=NULL;
 440                         }
 441                 }
 442         if (buff != NULL) BUF_MEM_free(buff);
 443         if (section != NULL) OPENSSL_free(section);
 444         return(1);
 445 err:
 446         if (buff != NULL) BUF_MEM_free(buff);
 447         if (section != NULL) OPENSSL_free(section);
 448         if (line != NULL) *line=eline;
 449         sprintf(btmp,"%ld",eline);
 450         ERR_add_error_data(2,"line ",btmp);
 451         if ((h != conf->data) && (conf->data != NULL))
 452                 {
 453                 CONF_free(conf->data);
 454                 conf->data=NULL;
 455                 }
 456         if (v != NULL)
 457                 {
 458                 if (v->name != NULL) OPENSSL_free(v->name);
 459                 if (v->value != NULL) OPENSSL_free(v->value);
 460                 if (v != NULL) OPENSSL_free(v);
 461                 }
 462         return(0);
 463         }
 464
 465 static void clear_comments(CONF *conf, char *p)
 466         {
 467         char *to;
 468
 469         to=p;
 470         for (;;)
 471                 {
 472                 if (IS_FCOMMENT(conf,*p))
 473                         {
 474                         *p='\0';
 475                         return;
 476                         }
 477                 if (!IS_WS(conf,*p))
 478                         {
 479                         break;
 480                         }
 481                 p++;
 482                 }
 483
 484         for (;;)
 485                 {
 486                 if (IS_COMMENT(conf,*p))
 487                         {
 488                         *p='\0';
 489                         return;
 490                         }
 491                 if (IS_DQUOTE(conf,*p))
 492                         {
 493                         p=scan_dquote(conf, p);
 494                         continue;
 495                         }
 496                 if (IS_QUOTE(conf,*p))
 497                         {
 498                         p=scan_quote(conf, p);
 499                         continue;
 500                         }
 501                 if (IS_ESC(conf,*p))
 502                         {
 503                         p=scan_esc(conf,p);
 504                         continue;
 505                         }
 506                 if (IS_EOF(conf,*p))
 507                         return;
 508                 else
 509                         p++;
 510                 }
 511         }
 512
 513 static int str_copy(CONF *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(conf,*from))
 527                         {
 528                         q= *from;
 529                         from++;
 530                         while (!IS_EOF(conf,*from) && (*from != q))
 531                                 {
 532                                 if (IS_ESC(conf,*from))
 533                                         {
 534                                         from++;
 535                                         if (IS_EOF(conf,*from)) break;
 536                                         }
 537                                 buf->data[to++]= *(from++);
 538                                 }
 539                         if (*from == q) from++;
 540                         }
 541                 else if (IS_DQUOTE(conf,*from))
 542                         {
 543                         q= *from;
 544                         from++;
 545                         while (!IS_EOF(conf,*from))
 546                                 {
 547                                 if (*from == q)
 548                                         {
 549                                         if (*(from+1) == q)
 550                                                 {
 551                                                 from++;
 552                                                 }
 553                                         else
 554                                                 {
 555                                                 break;
 556                                                 }
 557                                         }
 558                                 buf->data[to++]= *(from++);
 559                                 }
 560                         if (*from == q) from++;
 561                         }
 562                 else if (IS_ESC(conf,*from))
 563                         {
 564                         from++;
 565                         v= *(from++);
 566                         if (IS_EOF(conf,v)) break;
 567                         else if (v == 'r') v='\r';
 568                         else if (v == 'n') v='\n';
 569                         else if (v == 'b') v='\b';
 570                         else if (v == 't') v='\t';
 571                         buf->data[to++]= v;
 572                         }
 573                 else if (IS_EOF(conf,*from))
 574                         break;
 575                 else if (*from == '$')
 576                         {
 577                         /* try to expand it */
 578                         rrp=NULL;
 579                         s= &(from[1]);
 580                         if (*s == '{')
 581                                 q='}';
 582                         else if (*s == '(')
 583                                 q=')';
 584                         else q=0;
 585
 586                         if (q) s++;
 587                         cp=section;
 588                         e=np=s;
 589                         while (IS_ALPHA_NUMERIC(conf,*e))
 590                                 e++;
 591                         if ((e[0] == ':') && (e[1] == ':'))
 592                                 {
 593                                 cp=np;
 594                                 rrp=e;
 595                                 rr= *e;
 596                                 *rrp='\0';
 597                                 e+=2;
 598                                 np=e;
 599                                 while (IS_ALPHA_NUMERIC(conf,*e))
 600                                         e++;
 601                                 }
 602                         r= *e;
 603                         *e='\0';
 604                         rp=e;
 605                         if (q)
 606                                 {
 607                                 if (r != q)
 608                                         {
 609                                         CONFerr(CONF_F_STR_COPY,CONF_R_NO_CLOSE_BRACE);
 610                                         goto err;
 611                                         }
 612                                 e++;
 613                                 }
 614                         /* So at this point we have
 615                          * ns which is the start of the name string which is
 616                          *   '\0' terminated.
 617                          * cs which is the start of the section string which is
 618                          *   '\0' terminated.
 619                          * e is the 'next point after'.
 620                          * r and s are the chars replaced by the '\0'
 621                          * rp and sp is where 'r' and 's' came from.
 622                          */
 623                         p=_CONF_get_string(conf,cp,np);
 624                         if (rrp != NULL) *rrp=rr;
 625                         *rp=r;
 626                         if (p == NULL)
 627                                 {
 628                                 CONFerr(CONF_F_STR_COPY,CONF_R_VARIABLE_HAS_NO_VALUE);
 629                                 goto err;
 630                                 }
 631                         BUF_MEM_grow_clean(buf,(strlen(p)+len-(e-from)));
 632                         while (*p)
 633                                 buf->data[to++]= *(p++);
 634                         from=e;
 635                         }
 636                 else
 637                         buf->data[to++]= *(from++);
 638                 }
 639         buf->data[to]='\0';
 640         if (*pto != NULL) OPENSSL_free(*pto);
 641         *pto=buf->data;
 642         OPENSSL_free(buf);
 643         return(1);
 644 err:
 645         if (buf != NULL) BUF_MEM_free(buf);
 646         return(0);
 647         }
 648
 649 static char *eat_ws(CONF *conf, char *p)
 650         {
 651         while (IS_WS(conf,*p) && (!IS_EOF(conf,*p)))
 652                 p++;
 653         return(p);
 654         }
 655
 656 static char *eat_alpha_numeric(CONF *conf, char *p)
 657         {
 658         for (;;)
 659                 {
 660                 if (IS_ESC(conf,*p))
 661                         {
 662                         p=scan_esc(conf,p);
 663                         continue;
 664                         }
 665                 if (!IS_ALPHA_NUMERIC_PUNCT(conf,*p))
 666                         return(p);
 667                 p++;
 668                 }
 669         }
 670
 671 static char *scan_quote(CONF *conf, char *p)
 672         {
 673         int q= *p;
 674
 675         p++;
 676         while (!(IS_EOF(conf,*p)) && (*p != q))
 677                 {
 678                 if (IS_ESC(conf,*p))
 679                         {
 680                         p++;
 681                         if (IS_EOF(conf,*p)) return(p);
 682                         }
 683                 p++;
 684                 }
 685         if (*p == q) p++;
 686         return(p);
 687         }
 688
 689
 690 static char *scan_dquote(CONF *conf, char *p)
 691         {
 692         int q= *p;
 693
 694         p++;
 695         while (!(IS_EOF(conf,*p)))
 696                 {
 697                 if (*p == q)
 698                         {
 699                         if (*(p+1) == q)
 700                                 {
 701                                 p++;
 702                                 }
 703                         else
 704                                 {
 705                                 break;
 706                                 }
 707                         }
 708                 p++;
 709                 }
 710         if (*p == q) p++;
 711         return(p);
 712         }
 713
 714 static void dump_value(CONF_VALUE *a, BIO *out)
 715         {
 716         if (a->name)
 717                 BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value);
 718         else
 719                 BIO_printf(out, "[[%s]]\n", a->section);
 720         }
 721
 722 static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_value, CONF_VALUE *, BIO *)
 723
 724 static int def_dump(const CONF *conf, BIO *out)
 725         {
 726         lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_value), out);
 727         return 1;
 728         }
 729
 730 static int def_is_number(const CONF *conf, char c)
 731         {
 732         return IS_NUMBER(conf,c);
 733         }
 734
 735 static int def_to_int(const CONF *conf, char c)
 736         {
 737         return c - '0';
 738         }
 739