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(const CONF *conf, BIO *bp);
  87 static int def_is_number(const CONF *conf, char c);
  88 static int def_to_int(const 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 OPENSSL_SYS_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                 if (ERR_GET_REASON(ERR_peek_last_error()) == BIO_R_NO_SUCH_FILE)
 196                         CONFerr(CONF_F_CONF_LOAD,CONF_R_NO_SUCH_FILE);
 197                 else
 198                         CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
 199                 return 0;
 200                 }
 201
 202         ret = def_load_bio(conf, in, line);
 203         BIO_free(in);
 204
 205         return ret;
 206         }
 207
 208 static int def_load_bio(CONF *conf, BIO *in, long *line)
 209         {
 210 #define BUFSIZE 512
 211         char btmp[16];
 212         int bufnum=0,i,ii;
 213         BUF_MEM *buff=NULL;
 214         char *s,*p,*end;
 215         int again,n;
 216         long eline=0;
 217         CONF_VALUE *v=NULL,*tv;
 218         CONF_VALUE *sv=NULL;
 219         char *section=NULL,*buf;
 220         STACK_OF(CONF_VALUE) *section_sk=NULL,*ts;
 221         char *start,*psection,*pname;
 222         void *h = (void *)(conf->data);
 223
 224         if ((buff=BUF_MEM_new()) == NULL)
 225                 {
 226                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
 227                 goto err;
 228                 }
 229
 230         section=(char *)OPENSSL_malloc(10);
 231         if (section == NULL)
 232                 {
 233                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
 234                 goto err;
 235                 }
 236         strcpy(section,"default");
 237
 238         if (_CONF_new_data(conf) == 0)
 239                 {
 240                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
 241                 goto err;
 242                 }
 243
 244         sv=_CONF_new_section(conf,section);
 245         if (sv == NULL)
 246                 {
 247                 CONFerr(CONF_F_CONF_LOAD_BIO,
 248                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 249                 goto err;
 250                 }
 251         section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
 252
 253         bufnum=0;
 254         for (;;)
 255                 {
 256                 again=0;
 257                 if (!BUF_MEM_grow(buff,bufnum+BUFSIZE))
 258                         {
 259                         CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
 260                         goto err;
 261                         }
 262                 p= &(buff->data[bufnum]);
 263                 *p='\0';
 264                 BIO_gets(in, p, BUFSIZE-1);
 265                 p[BUFSIZE-1]='\0';
 266                 ii=i=strlen(p);
 267                 if (i == 0) break;
 268                 while (i > 0)
 269                         {
 270                         if ((p[i-1] != '\r') && (p[i-1] != '\n'))
 271                                 break;
 272                         else
 273                                 i--;
 274                         }
 275                 /* we removed some trailing stuff so there is a new
 276                  * line on the end. */
 277                 if (i == ii)
 278                         again=1; /* long line */
 279                 else
 280                         {
 281                         p[i]='\0';
 282                         eline++; /* another input line */
 283                         }
 284
 285                 /* we now have a line with trailing \r\n removed */
 286
 287                 /* i is the number of bytes */
 288                 bufnum+=i;
 289
 290                 v=NULL;
 291                 /* check for line continuation */
 292                 if (bufnum >= 1)
 293                         {
 294                         /* If we have bytes and the last char '\\' and
 295                          * second last char is not '\\' */
 296                         p= &(buff->data[bufnum-1]);
 297                         if (IS_ESC(conf,p[0]) &&
 298                                 ((bufnum <= 1) || !IS_ESC(conf,p[-1])))
 299                                 {
 300                                 bufnum--;
 301                                 again=1;
 302                                 }
 303                         }
 304                 if (again) continue;
 305                 bufnum=0;
 306                 buf=buff->data;
 307
 308                 clear_comments(conf, buf);
 309                 n=strlen(buf);
 310                 s=eat_ws(conf, buf);
 311                 if (IS_EOF(conf,*s)) continue; /* blank line */
 312                 if (*s == '[')
 313                         {
 314                         char *ss;
 315
 316                         s++;
 317                         start=eat_ws(conf, s);
 318                         ss=start;
 319 again:
 320                         end=eat_alpha_numeric(conf, ss);
 321                         p=eat_ws(conf, end);
 322                         if (*p != ']')
 323                                 {
 324                                 if (*p != '\0')
 325                                         {
 326                                         ss=p;
 327                                         goto again;
 328                                         }
 329                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 330                                         CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
 331                                 goto err;
 332                                 }
 333                         *end='\0';
 334                         if (!str_copy(conf,NULL,&section,start)) goto err;
 335                         if ((sv=_CONF_get_section(conf,section)) == NULL)
 336                                 sv=_CONF_new_section(conf,section);
 337                         if (sv == NULL)
 338                                 {
 339                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 340                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 341                                 goto err;
 342                                 }
 343                         section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
 344                         continue;
 345                         }
 346                 else
 347                         {
 348                         pname=s;
 349                         psection=NULL;
 350                         end=eat_alpha_numeric(conf, s);
 351                         if ((end[0] == ':') && (end[1] == ':'))
 352                                 {
 353                                 *end='\0';
 354                                 end+=2;
 355                                 psection=pname;
 356                                 pname=end;
 357                                 end=eat_alpha_numeric(conf, end);
 358                                 }
 359                         p=eat_ws(conf, end);
 360                         if (*p != '=')
 361                                 {
 362                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 363                                                 CONF_R_MISSING_EQUAL_SIGN);
 364                                 goto err;
 365                                 }
 366                         *end='\0';
 367                         p++;
 368                         start=eat_ws(conf, p);
 369                         while (!IS_EOF(conf,*p))
 370                                 p++;
 371                         p--;
 372                         while ((p != start) && (IS_WS(conf,*p)))
 373                                 p--;
 374                         p++;
 375                         *p='\0';
 376
 377                         if (!(v=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))))
 378                                 {
 379                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 380                                                         ERR_R_MALLOC_FAILURE);
 381                                 goto err;
 382                                 }
 383                         if (psection == NULL) psection=section;
 384                         v->name=(char *)OPENSSL_malloc(strlen(pname)+1);
 385                         v->value=NULL;
 386                         if (v->name == NULL)
 387                                 {
 388                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 389                                                         ERR_R_MALLOC_FAILURE);
 390                                 goto err;
 391                                 }
 392                         strcpy(v->name,pname);
 393                         if (!str_copy(conf,psection,&(v->value),start)) goto err;
 394
 395                         if (strcmp(psection,section) != 0)
 396                                 {
 397                                 if ((tv=_CONF_get_section(conf,psection))
 398                                         == NULL)
 399                                         tv=_CONF_new_section(conf,psection);
 400                                 if (tv == NULL)
 401                                         {
 402                                         CONFerr(CONF_F_CONF_LOAD_BIO,
 403                                            CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 404                                         goto err;
 405                                         }
 406                                 ts=(STACK_OF(CONF_VALUE) *)tv->value;
 407                                 }
 408                         else
 409                                 {
 410                                 tv=sv;
 411                                 ts=section_sk;
 412                                 }
 413 #if 1
 414                         if (_CONF_add_string(conf, tv, v) == 0)
 415                                 {
 416                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 417                                                         ERR_R_MALLOC_FAILURE);
 418                                 goto err;
 419                                 }
 420 #else
 421                         v->section=tv->section;
 422                         if (!sk_CONF_VALUE_push(ts,v))
 423                                 {
 424                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 425                                                         ERR_R_MALLOC_FAILURE);
 426                                 goto err;
 427                                 }
 428                         vv=(CONF_VALUE *)lh_insert(conf->data,v);
 429                         if (vv != NULL)
 430                                 {
 431                                 sk_CONF_VALUE_delete_ptr(ts,vv);
 432                                 OPENSSL_free(vv->name);
 433                                 OPENSSL_free(vv->value);
 434                                 OPENSSL_free(vv);
 435                                 }
 436 #endif
 437                         v=NULL;
 438                         }
 439                 }
 440         if (buff != NULL) BUF_MEM_free(buff);
 441         if (section != NULL) OPENSSL_free(section);
 442         return(1);
 443 err:
 444         if (buff != NULL) BUF_MEM_free(buff);
 445         if (section != NULL) OPENSSL_free(section);
 446         if (line != NULL) *line=eline;
 447         sprintf(btmp,"%ld",eline);
 448         ERR_add_error_data(2,"line ",btmp);
 449         if ((h != conf->data) && (conf->data != NULL))
 450                 {
 451                 CONF_free(conf->data);
 452                 conf->data=NULL;
 453                 }
 454         if (v != NULL)
 455                 {
 456                 if (v->name != NULL) OPENSSL_free(v->name);
 457                 if (v->value != NULL) OPENSSL_free(v->value);
 458                 if (v != NULL) OPENSSL_free(v);
 459                 }
 460         return(0);
 461         }
 462
 463 static void clear_comments(CONF *conf, char *p)
 464         {
 465         char *to;
 466
 467         to=p;
 468         for (;;)
 469                 {
 470                 if (IS_FCOMMENT(conf,*p))
 471                         {
 472                         *p='\0';
 473                         return;
 474                         }
 475                 if (!IS_WS(conf,*p))
 476                         {
 477                         break;
 478                         }
 479                 p++;
 480                 }
 481
 482         for (;;)
 483                 {
 484                 if (IS_COMMENT(conf,*p))
 485                         {
 486                         *p='\0';
 487                         return;
 488                         }
 489                 if (IS_DQUOTE(conf,*p))
 490                         {
 491                         p=scan_dquote(conf, p);
 492                         continue;
 493                         }
 494                 if (IS_QUOTE(conf,*p))
 495                         {
 496                         p=scan_quote(conf, p);
 497                         continue;
 498                         }
 499                 if (IS_ESC(conf,*p))
 500                         {
 501                         p=scan_esc(conf,p);
 502                         continue;
 503                         }
 504                 if (IS_EOF(conf,*p))
 505                         return;
 506                 else
 507                         p++;
 508                 }
 509         }
 510
 511 static int str_copy(CONF *conf, char *section, char **pto, char *from)
 512         {
 513         int q,r,rr=0,to=0,len=0;
 514         char *s,*e,*rp,*p,*rrp,*np,*cp,v;
 515         BUF_MEM *buf;
 516
 517         if ((buf=BUF_MEM_new()) == NULL) return(0);
 518
 519         len=strlen(from)+1;
 520         if (!BUF_MEM_grow(buf,len)) goto err;
 521
 522         for (;;)
 523                 {
 524                 if (IS_QUOTE(conf,*from))
 525                         {
 526                         q= *from;
 527                         from++;
 528                         while (!IS_EOF(conf,*from) && (*from != q))
 529                                 {
 530                                 if (IS_ESC(conf,*from))
 531                                         {
 532                                         from++;
 533                                         if (IS_EOF(conf,*from)) break;
 534                                         }
 535                                 buf->data[to++]= *(from++);
 536                                 }
 537                         if (*from == q) from++;
 538                         }
 539                 else if (IS_DQUOTE(conf,*from))
 540                         {
 541                         q= *from;
 542                         from++;
 543                         while (!IS_EOF(conf,*from))
 544                                 {
 545                                 if (*from == q)
 546                                         {
 547                                         if (*(from+1) == q)
 548                                                 {
 549                                                 from++;
 550                                                 }
 551                                         else
 552                                                 {
 553                                                 break;
 554                                                 }
 555                                         }
 556                                 buf->data[to++]= *(from++);
 557                                 }
 558                         if (*from == q) from++;
 559                         }
 560                 else if (IS_ESC(conf,*from))
 561                         {
 562                         from++;
 563                         v= *(from++);
 564                         if (IS_EOF(conf,v)) break;
 565                         else if (v == 'r') v='\r';
 566                         else if (v == 'n') v='\n';
 567                         else if (v == 'b') v='\b';
 568                         else if (v == 't') v='\t';
 569                         buf->data[to++]= v;
 570                         }
 571                 else if (IS_EOF(conf,*from))
 572                         break;
 573                 else if (*from == '$')
 574                         {
 575                         /* try to expand it */
 576                         rrp=NULL;
 577                         s= &(from[1]);
 578                         if (*s == '{')
 579                                 q='}';
 580                         else if (*s == '(')
 581                                 q=')';
 582                         else q=0;
 583
 584                         if (q) s++;
 585                         cp=section;
 586                         e=np=s;
 587                         while (IS_ALPHA_NUMERIC(conf,*e))
 588                                 e++;
 589                         if ((e[0] == ':') && (e[1] == ':'))
 590                                 {
 591                                 cp=np;
 592                                 rrp=e;
 593                                 rr= *e;
 594                                 *rrp='\0';
 595                                 e+=2;
 596                                 np=e;
 597                                 while (IS_ALPHA_NUMERIC(conf,*e))
 598                                         e++;
 599                                 }
 600                         r= *e;
 601                         *e='\0';
 602                         rp=e;
 603                         if (q)
 604                                 {
 605                                 if (r != q)
 606                                         {
 607                                         CONFerr(CONF_F_STR_COPY,CONF_R_NO_CLOSE_BRACE);
 608                                         goto err;
 609                                         }
 610                                 e++;
 611                                 }
 612                         /* So at this point we have
 613                          * ns which is the start of the name string which is
 614                          *   '\0' terminated.
 615                          * cs which is the start of the section string which is
 616                          *   '\0' terminated.
 617                          * e is the 'next point after'.
 618                          * r and s are the chars replaced by the '\0'
 619                          * rp and sp is where 'r' and 's' came from.
 620                          */
 621                         p=_CONF_get_string(conf,cp,np);
 622                         if (rrp != NULL) *rrp=rr;
 623                         *rp=r;
 624                         if (p == NULL)
 625                                 {
 626                                 CONFerr(CONF_F_STR_COPY,CONF_R_VARIABLE_HAS_NO_VALUE);
 627                                 goto err;
 628                                 }
 629                         BUF_MEM_grow(buf,(strlen(p)+len-(e-from)));
 630                         while (*p)
 631                                 buf->data[to++]= *(p++);
 632                         from=e;
 633                         }
 634                 else
 635                         buf->data[to++]= *(from++);
 636                 }
 637         buf->data[to]='\0';
 638         if (*pto != NULL) OPENSSL_free(*pto);
 639         *pto=buf->data;
 640         OPENSSL_free(buf);
 641         return(1);
 642 err:
 643         if (buf != NULL) BUF_MEM_free(buf);
 644         return(0);
 645         }
 646
 647 static char *eat_ws(CONF *conf, char *p)
 648         {
 649         while (IS_WS(conf,*p) && (!IS_EOF(conf,*p)))
 650                 p++;
 651         return(p);
 652         }
 653
 654 static char *eat_alpha_numeric(CONF *conf, char *p)
 655         {
 656         for (;;)
 657                 {
 658                 if (IS_ESC(conf,*p))
 659                         {
 660                         p=scan_esc(conf,p);
 661                         continue;
 662                         }
 663                 if (!IS_ALPHA_NUMERIC_PUNCT(conf,*p))
 664                         return(p);
 665                 p++;
 666                 }
 667         }
 668
 669 static char *scan_quote(CONF *conf, char *p)
 670         {
 671         int q= *p;
 672
 673         p++;
 674         while (!(IS_EOF(conf,*p)) && (*p != q))
 675                 {
 676                 if (IS_ESC(conf,*p))
 677                         {
 678                         p++;
 679                         if (IS_EOF(conf,*p)) return(p);
 680                         }
 681                 p++;
 682                 }
 683         if (*p == q) p++;
 684         return(p);
 685         }
 686
 687
 688 static char *scan_dquote(CONF *conf, char *p)
 689         {
 690         int q= *p;
 691
 692         p++;
 693         while (!(IS_EOF(conf,*p)))
 694                 {
 695                 if (*p == q)
 696                         {
 697                         if (*(p+1) == q)
 698                                 {
 699                                 p++;
 700                                 }
 701                         else
 702                                 {
 703                                 break;
 704                                 }
 705                         }
 706                 p++;
 707                 }
 708         if (*p == q) p++;
 709         return(p);
 710         }
 711
 712 static void dump_value(CONF_VALUE *a, BIO *out)
 713         {
 714         if (a->name)
 715                 BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value);
 716         else
 717                 BIO_printf(out, "[[%s]]\n", a->section);
 718         }
 719
 720 static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_value, CONF_VALUE *, BIO *)
 721
 722 static int def_dump(const CONF *conf, BIO *out)
 723         {
 724         lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_value), out);
 725         return 1;
 726         }
 727
 728 static int def_is_number(const CONF *conf, char c)
 729         {
 730         return IS_NUMBER(conf,c);
 731         }
 732
 733 static int def_to_int(const CONF *conf, char c)
 734         {
 735         return c - '0';
 736         }
 737