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 #define BUFSIZE 512
 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         char btmp[DECIMAL_SIZE(eline)+1];
 218         CONF_VALUE *v=NULL,*tv;
 219         CONF_VALUE *sv=NULL;
 220         char *section=NULL,*buf;
 221         STACK_OF(CONF_VALUE) *section_sk=NULL,*ts;
 222         char *start,*psection,*pname;
 223         void *h = (void *)(conf->data);
 224
 225         if ((buff=BUF_MEM_new()) == NULL)
 226                 {
 227                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
 228                 goto err;
 229                 }
 230
 231         section=(char *)OPENSSL_malloc(10);
 232         if (section == NULL)
 233                 {
 234                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
 235                 goto err;
 236                 }
 237         strcpy(section,"default");
 238
 239         if (_CONF_new_data(conf) == 0)
 240                 {
 241                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
 242                 goto err;
 243                 }
 244
 245         sv=_CONF_new_section(conf,section);
 246         if (sv == NULL)
 247                 {
 248                 CONFerr(CONF_F_CONF_LOAD_BIO,
 249                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 250                 goto err;
 251                 }
 252         section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
 253
 254         bufnum=0;
 255         for (;;)
 256                 {
 257                 again=0;
 258                 if (!BUF_MEM_grow(buff,bufnum+BUFSIZE))
 259                         {
 260                         CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
 261                         goto err;
 262                         }
 263                 p= &(buff->data[bufnum]);
 264                 *p='\0';
 265                 BIO_gets(in, p, BUFSIZE-1);
 266                 p[BUFSIZE-1]='\0';
 267                 ii=i=strlen(p);
 268                 if (i == 0) break;
 269                 while (i > 0)
 270                         {
 271                         if ((p[i-1] != '\r') && (p[i-1] != '\n'))
 272                                 break;
 273                         else
 274                                 i--;
 275                         }
 276                 /* we removed some trailing stuff so there is a new
 277                  * line on the end. */
 278                 if (i == ii)
 279                         again=1; /* long line */
 280                 else
 281                         {
 282                         p[i]='\0';
 283                         eline++; /* another input line */
 284                         }
 285
 286                 /* we now have a line with trailing \r\n removed */
 287
 288                 /* i is the number of bytes */
 289                 bufnum+=i;
 290
 291                 v=NULL;
 292                 /* check for line continuation */
 293                 if (bufnum >= 1)
 294                         {
 295                         /* If we have bytes and the last char '\\' and
 296                          * second last char is not '\\' */
 297                         p= &(buff->data[bufnum-1]);
 298                         if (IS_ESC(conf,p[0]) &&
 299                                 ((bufnum <= 1) || !IS_ESC(conf,p[-1])))
 300                                 {
 301                                 bufnum--;
 302                                 again=1;
 303                                 }
 304                         }
 305                 if (again) continue;
 306                 bufnum=0;
 307                 buf=buff->data;
 308
 309                 clear_comments(conf, buf);
 310                 n=strlen(buf);
 311                 s=eat_ws(conf, buf);
 312                 if (IS_EOF(conf,*s)) continue; /* blank line */
 313                 if (*s == '[')
 314                         {
 315                         char *ss;
 316
 317                         s++;
 318                         start=eat_ws(conf, s);
 319                         ss=start;
 320 again:
 321                         end=eat_alpha_numeric(conf, ss);
 322                         p=eat_ws(conf, end);
 323                         if (*p != ']')
 324                                 {
 325                                 if (*p != '\0')
 326                                         {
 327                                         ss=p;
 328                                         goto again;
 329                                         }
 330                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 331                                         CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
 332                                 goto err;
 333                                 }
 334                         *end='\0';
 335                         if (!str_copy(conf,NULL,&section,start)) goto err;
 336                         if ((sv=_CONF_get_section(conf,section)) == NULL)
 337                                 sv=_CONF_new_section(conf,section);
 338                         if (sv == NULL)
 339                                 {
 340                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 341                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 342                                 goto err;
 343                                 }
 344                         section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
 345                         continue;
 346                         }
 347                 else
 348                         {
 349                         pname=s;
 350                         psection=NULL;
 351                         end=eat_alpha_numeric(conf, s);
 352                         if ((end[0] == ':') && (end[1] == ':'))
 353                                 {
 354                                 *end='\0';
 355                                 end+=2;
 356                                 psection=pname;
 357                                 pname=end;
 358                                 end=eat_alpha_numeric(conf, end);
 359                                 }
 360                         p=eat_ws(conf, end);
 361                         if (*p != '=')
 362                                 {
 363                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 364                                                 CONF_R_MISSING_EQUAL_SIGN);
 365                                 goto err;
 366                                 }
 367                         *end='\0';
 368                         p++;
 369                         start=eat_ws(conf, p);
 370                         while (!IS_EOF(conf,*p))
 371                                 p++;
 372                         p--;
 373                         while ((p != start) && (IS_WS(conf,*p)))
 374                                 p--;
 375                         p++;
 376                         *p='\0';
 377
 378                         if (!(v=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))))
 379                                 {
 380                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 381                                                         ERR_R_MALLOC_FAILURE);
 382                                 goto err;
 383                                 }
 384                         if (psection == NULL) psection=section;
 385                         v->name=(char *)OPENSSL_malloc(strlen(pname)+1);
 386                         v->value=NULL;
 387                         if (v->name == NULL)
 388                                 {
 389                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 390                                                         ERR_R_MALLOC_FAILURE);
 391                                 goto err;
 392                                 }
 393                         strcpy(v->name,pname);
 394                         if (!str_copy(conf,psection,&(v->value),start)) goto err;
 395
 396                         if (strcmp(psection,section) != 0)
 397                                 {
 398                                 if ((tv=_CONF_get_section(conf,psection))
 399                                         == NULL)
 400                                         tv=_CONF_new_section(conf,psection);
 401                                 if (tv == NULL)
 402                                         {
 403                                         CONFerr(CONF_F_CONF_LOAD_BIO,
 404                                            CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 405                                         goto err;
 406                                         }
 407                                 ts=(STACK_OF(CONF_VALUE) *)tv->value;
 408                                 }
 409                         else
 410                                 {
 411                                 tv=sv;
 412                                 ts=section_sk;
 413                                 }
 414 #if 1
 415                         if (_CONF_add_string(conf, tv, v) == 0)
 416                                 {
 417                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 418                                                         ERR_R_MALLOC_FAILURE);
 419                                 goto err;
 420                                 }
 421 #else
 422                         v->section=tv->section;
 423                         if (!sk_CONF_VALUE_push(ts,v))
 424                                 {
 425                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 426                                                         ERR_R_MALLOC_FAILURE);
 427                                 goto err;
 428                                 }
 429                         vv=(CONF_VALUE *)lh_insert(conf->data,v);
 430                         if (vv != NULL)
 431                                 {
 432                                 sk_CONF_VALUE_delete_ptr(ts,vv);
 433                                 OPENSSL_free(vv->name);
 434                                 OPENSSL_free(vv->value);
 435                                 OPENSSL_free(vv);
 436                                 }
 437 #endif
 438                         v=NULL;
 439                         }
 440                 }
 441         if (buff != NULL) BUF_MEM_free(buff);
 442         if (section != NULL) OPENSSL_free(section);
 443         return(1);
 444 err:
 445         if (buff != NULL) BUF_MEM_free(buff);
 446         if (section != NULL) OPENSSL_free(section);
 447         if (line != NULL) *line=eline;
 448         sprintf(btmp,"%ld",eline);
 449         ERR_add_error_data(2,"line ",btmp);
 450         if ((h != conf->data) && (conf->data != NULL))
 451                 {
 452                 CONF_free(conf->data);
 453                 conf->data=NULL;
 454                 }
 455         if (v != NULL)
 456                 {
 457                 if (v->name != NULL) OPENSSL_free(v->name);
 458                 if (v->value != NULL) OPENSSL_free(v->value);
 459                 if (v != NULL) OPENSSL_free(v);
 460                 }
 461         return(0);
 462         }
 463
 464 static void clear_comments(CONF *conf, char *p)
 465         {
 466         char *to;
 467
 468         to=p;
 469         for (;;)
 470                 {
 471                 if (IS_FCOMMENT(conf,*p))
 472                         {
 473                         *p='\0';
 474                         return;
 475                         }
 476                 if (!IS_WS(conf,*p))
 477                         {
 478                         break;
 479                         }
 480                 p++;
 481                 }
 482
 483         for (;;)
 484                 {
 485                 if (IS_COMMENT(conf,*p))
 486                         {
 487                         *p='\0';
 488                         return;
 489                         }
 490                 if (IS_DQUOTE(conf,*p))
 491                         {
 492                         p=scan_dquote(conf, p);
 493                         continue;
 494                         }
 495                 if (IS_QUOTE(conf,*p))
 496                         {
 497                         p=scan_quote(conf, p);
 498                         continue;
 499                         }
 500                 if (IS_ESC(conf,*p))
 501                         {
 502                         p=scan_esc(conf,p);
 503                         continue;
 504                         }
 505                 if (IS_EOF(conf,*p))
 506                         return;
 507                 else
 508                         p++;
 509                 }
 510         }
 511
 512 static int str_copy(CONF *conf, char *section, char **pto, char *from)
 513         {
 514         int q,r,rr=0,to=0,len=0;
 515         char *s,*e,*rp,*p,*rrp,*np,*cp,v;
 516         BUF_MEM *buf;
 517
 518         if ((buf=BUF_MEM_new()) == NULL) return(0);
 519
 520         len=strlen(from)+1;
 521         if (!BUF_MEM_grow(buf,len)) goto err;
 522
 523         for (;;)
 524                 {
 525                 if (IS_QUOTE(conf,*from))
 526                         {
 527                         q= *from;
 528                         from++;
 529                         while (!IS_EOF(conf,*from) && (*from != q))
 530                                 {
 531                                 if (IS_ESC(conf,*from))
 532                                         {
 533                                         from++;
 534                                         if (IS_EOF(conf,*from)) break;
 535                                         }
 536                                 buf->data[to++]= *(from++);
 537                                 }
 538                         if (*from == q) from++;
 539                         }
 540                 else if (IS_DQUOTE(conf,*from))
 541                         {
 542                         q= *from;
 543                         from++;
 544                         while (!IS_EOF(conf,*from))
 545                                 {
 546                                 if (*from == q)
 547                                         {
 548                                         if (*(from+1) == q)
 549                                                 {
 550                                                 from++;
 551                                                 }
 552                                         else
 553                                                 {
 554                                                 break;
 555                                                 }
 556                                         }
 557                                 buf->data[to++]= *(from++);
 558                                 }
 559                         if (*from == q) from++;
 560                         }
 561                 else if (IS_ESC(conf,*from))
 562                         {
 563                         from++;
 564                         v= *(from++);
 565                         if (IS_EOF(conf,v)) break;
 566                         else if (v == 'r') v='\r';
 567                         else if (v == 'n') v='\n';
 568                         else if (v == 'b') v='\b';
 569                         else if (v == 't') v='\t';
 570                         buf->data[to++]= v;
 571                         }
 572                 else if (IS_EOF(conf,*from))
 573                         break;
 574                 else if (*from == '$')
 575                         {
 576                         /* try to expand it */
 577                         rrp=NULL;
 578                         s= &(from[1]);
 579                         if (*s == '{')
 580                                 q='}';
 581                         else if (*s == '(')
 582                                 q=')';
 583                         else q=0;
 584
 585                         if (q) s++;
 586                         cp=section;
 587                         e=np=s;
 588                         while (IS_ALPHA_NUMERIC(conf,*e))
 589                                 e++;
 590                         if ((e[0] == ':') && (e[1] == ':'))
 591                                 {
 592                                 cp=np;
 593                                 rrp=e;
 594                                 rr= *e;
 595                                 *rrp='\0';
 596                                 e+=2;
 597                                 np=e;
 598                                 while (IS_ALPHA_NUMERIC(conf,*e))
 599                                         e++;
 600                                 }
 601                         r= *e;
 602                         *e='\0';
 603                         rp=e;
 604                         if (q)
 605                                 {
 606                                 if (r != q)
 607                                         {
 608                                         CONFerr(CONF_F_STR_COPY,CONF_R_NO_CLOSE_BRACE);
 609                                         goto err;
 610                                         }
 611                                 e++;
 612                                 }
 613                         /* So at this point we have
 614                          * ns which is the start of the name string which is
 615                          *   '\0' terminated.
 616                          * cs which is the start of the section string which is
 617                          *   '\0' terminated.
 618                          * e is the 'next point after'.
 619                          * r and s are the chars replaced by the '\0'
 620                          * rp and sp is where 'r' and 's' came from.
 621                          */
 622                         p=_CONF_get_string(conf,cp,np);
 623                         if (rrp != NULL) *rrp=rr;
 624                         *rp=r;
 625                         if (p == NULL)
 626                                 {
 627                                 CONFerr(CONF_F_STR_COPY,CONF_R_VARIABLE_HAS_NO_VALUE);
 628                                 goto err;
 629                                 }
 630                         BUF_MEM_grow(buf,(strlen(p)+len-(e-from)));
 631                         while (*p)
 632                                 buf->data[to++]= *(p++);
 633                         from=e;
 634                         }
 635                 else
 636                         buf->data[to++]= *(from++);
 637                 }
 638         buf->data[to]='\0';
 639         if (*pto != NULL) OPENSSL_free(*pto);
 640         *pto=buf->data;
 641         OPENSSL_free(buf);
 642         return(1);
 643 err:
 644         if (buf != NULL) BUF_MEM_free(buf);
 645         return(0);
 646         }
 647
 648 static char *eat_ws(CONF *conf, char *p)
 649         {
 650         while (IS_WS(conf,*p) && (!IS_EOF(conf,*p)))
 651                 p++;
 652         return(p);
 653         }
 654
 655 static char *eat_alpha_numeric(CONF *conf, char *p)
 656         {
 657         for (;;)
 658                 {
 659                 if (IS_ESC(conf,*p))
 660                         {
 661                         p=scan_esc(conf,p);
 662                         continue;
 663                         }
 664                 if (!IS_ALPHA_NUMERIC_PUNCT(conf,*p))
 665                         return(p);
 666                 p++;
 667                 }
 668         }
 669
 670 static char *scan_quote(CONF *conf, char *p)
 671         {
 672         int q= *p;
 673
 674         p++;
 675         while (!(IS_EOF(conf,*p)) && (*p != q))
 676                 {
 677                 if (IS_ESC(conf,*p))
 678                         {
 679                         p++;
 680                         if (IS_EOF(conf,*p)) return(p);
 681                         }
 682                 p++;
 683                 }
 684         if (*p == q) p++;
 685         return(p);
 686         }
 687
 688
 689 static char *scan_dquote(CONF *conf, char *p)
 690         {
 691         int q= *p;
 692
 693         p++;
 694         while (!(IS_EOF(conf,*p)))
 695                 {
 696                 if (*p == q)
 697                         {
 698                         if (*(p+1) == q)
 699                                 {
 700                                 p++;
 701                                 }
 702                         else
 703                                 {
 704                                 break;
 705                                 }
 706                         }
 707                 p++;
 708                 }
 709         if (*p == q) p++;
 710         return(p);
 711         }
 712
 713 static void dump_value(CONF_VALUE *a, BIO *out)
 714         {
 715         if (a->name)
 716                 BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value);
 717         else
 718                 BIO_printf(out, "[[%s]]\n", a->section);
 719         }
 720
 721 static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_value, CONF_VALUE *, BIO *)
 722
 723 static int def_dump(const CONF *conf, BIO *out)
 724         {
 725         lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_value), out);
 726         return 1;
 727         }
 728
 729 static int def_is_number(const CONF *conf, char c)
 730         {
 731         return IS_NUMBER(conf,c);
 732         }
 733
 734 static int def_to_int(const CONF *conf, char c)
 735         {
 736         return c - '0';
 737         }
 738