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 "cryptlib.h"
  64 #include <openssl/stack.h>
  65 #include <openssl/lhash.h>
  66 #include <openssl/conf.h>
  67 #include <openssl/conf_api.h>
  68 #include "conf_def.h"
  69 #include <openssl/buffer.h>
  70 #include <openssl/err.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 = 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_DEF_LOAD,CONF_R_NO_SUCH_FILE);
 198                 else
 199                         CONFerr(CONF_F_DEF_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;
 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         char *start,*psection,*pname;
 223         void *h = (void *)(conf->data);
 224
 225         if ((buff=BUF_MEM_new()) == NULL)
 226                 {
 227                 CONFerr(CONF_F_DEF_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_DEF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
 235                 goto err;
 236                 }
 237         BUF_strlcpy(section,"default",10);
 238
 239         if (_CONF_new_data(conf) == 0)
 240                 {
 241                 CONFerr(CONF_F_DEF_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_DEF_LOAD_BIO,
 249                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 250                 goto err;
 251                 }
 252
 253         bufnum=0;
 254         again=0;
 255         for (;;)
 256                 {
 257                 if (!BUF_MEM_grow(buff,bufnum+CONFBUFSIZE))
 258                         {
 259                         CONFerr(CONF_F_DEF_LOAD_BIO,ERR_R_BUF_LIB);
 260                         goto err;
 261                         }
 262                 p= &(buff->data[bufnum]);
 263                 *p='\0';
 264                 BIO_gets(in, p, CONFBUFSIZE-1);
 265                 p[CONFBUFSIZE-1]='\0';
 266                 ii=i=strlen(p);
 267                 if (i == 0 && !again) break;
 268                 again=0;
 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 (ii && 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                 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' && ss != p)
 325                                         {
 326                                         ss=p;
 327                                         goto again;
 328                                         }
 329                                 CONFerr(CONF_F_DEF_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_DEF_LOAD_BIO,
 340                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 341                                 goto err;
 342                                 }
 343                         continue;
 344                         }
 345                 else
 346                         {
 347                         pname=s;
 348                         psection=NULL;
 349                         end=eat_alpha_numeric(conf, s);
 350                         if ((end[0] == ':') && (end[1] == ':'))
 351                                 {
 352                                 *end='\0';
 353                                 end+=2;
 354                                 psection=pname;
 355                                 pname=end;
 356                                 end=eat_alpha_numeric(conf, end);
 357                                 }
 358                         p=eat_ws(conf, end);
 359                         if (*p != '=')
 360                                 {
 361                                 CONFerr(CONF_F_DEF_LOAD_BIO,
 362                                                 CONF_R_MISSING_EQUAL_SIGN);
 363                                 goto err;
 364                                 }
 365                         *end='\0';
 366                         p++;
 367                         start=eat_ws(conf, p);
 368                         while (!IS_EOF(conf,*p))
 369                                 p++;
 370                         p--;
 371                         while ((p != start) && (IS_WS(conf,*p)))
 372                                 p--;
 373                         p++;
 374                         *p='\0';
 375
 376                         if (!(v=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))))
 377                                 {
 378                                 CONFerr(CONF_F_DEF_LOAD_BIO,
 379                                                         ERR_R_MALLOC_FAILURE);
 380                                 goto err;
 381                                 }
 382                         if (psection == NULL) psection=section;
 383                         v->name=(char *)OPENSSL_malloc(strlen(pname)+1);
 384                         v->value=NULL;
 385                         if (v->name == NULL)
 386                                 {
 387                                 CONFerr(CONF_F_DEF_LOAD_BIO,
 388                                                         ERR_R_MALLOC_FAILURE);
 389                                 goto err;
 390                                 }
 391                         BUF_strlcpy(v->name,pname,strlen(pname)+1);
 392                         if (!str_copy(conf,psection,&(v->value),start)) goto err;
 393
 394                         if (strcmp(psection,section) != 0)
 395                                 {
 396                                 if ((tv=_CONF_get_section(conf,psection))
 397                                         == NULL)
 398                                         tv=_CONF_new_section(conf,psection);
 399                                 if (tv == NULL)
 400                                         {
 401                                         CONFerr(CONF_F_DEF_LOAD_BIO,
 402                                            CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 403                                         goto err;
 404                                         }
 405                                 }
 406                         else
 407                                 tv=sv;
 408 #if 1
 409                         if (_CONF_add_string(conf, tv, v) == 0)
 410                                 {
 411                                 CONFerr(CONF_F_DEF_LOAD_BIO,
 412                                                         ERR_R_MALLOC_FAILURE);
 413                                 goto err;
 414                                 }
 415 #else
 416                         v->section=tv->section;
 417                         if (!sk_CONF_VALUE_push(ts,v))
 418                                 {
 419                                 CONFerr(CONF_F_DEF_LOAD_BIO,
 420                                                         ERR_R_MALLOC_FAILURE);
 421                                 goto err;
 422                                 }
 423                         vv=(CONF_VALUE *)lh_insert(conf->data,v);
 424                         if (vv != NULL)
 425                                 {
 426                                 sk_CONF_VALUE_delete_ptr(ts,vv);
 427                                 OPENSSL_free(vv->name);
 428                                 OPENSSL_free(vv->value);
 429                                 OPENSSL_free(vv);
 430                                 }
 431 #endif
 432                         v=NULL;
 433                         }
 434                 }
 435         if (buff != NULL) BUF_MEM_free(buff);
 436         if (section != NULL) OPENSSL_free(section);
 437         return(1);
 438 err:
 439         if (buff != NULL) BUF_MEM_free(buff);
 440         if (section != NULL) OPENSSL_free(section);
 441         if (line != NULL) *line=eline;
 442         BIO_snprintf(btmp,sizeof btmp,"%ld",eline);
 443         ERR_add_error_data(2,"line ",btmp);
 444         if ((h != conf->data) && (conf->data != NULL))
 445                 {
 446                 CONF_free(conf->data);
 447                 conf->data=NULL;
 448                 }
 449         if (v != NULL)
 450                 {
 451                 if (v->name != NULL) OPENSSL_free(v->name);
 452                 if (v->value != NULL) OPENSSL_free(v->value);
 453                 if (v != NULL) OPENSSL_free(v);
 454                 }
 455         return(0);
 456         }
 457
 458 static void clear_comments(CONF *conf, char *p)
 459         {
 460         for (;;)
 461                 {
 462                 if (IS_FCOMMENT(conf,*p))
 463                         {
 464                         *p='\0';
 465                         return;
 466                         }
 467                 if (!IS_WS(conf,*p))
 468                         {
 469                         break;
 470                         }
 471                 p++;
 472                 }
 473
 474         for (;;)
 475                 {
 476                 if (IS_COMMENT(conf,*p))
 477                         {
 478                         *p='\0';
 479                         return;
 480                         }
 481                 if (IS_DQUOTE(conf,*p))
 482                         {
 483                         p=scan_dquote(conf, p);
 484                         continue;
 485                         }
 486                 if (IS_QUOTE(conf,*p))
 487                         {
 488                         p=scan_quote(conf, p);
 489                         continue;
 490                         }
 491                 if (IS_ESC(conf,*p))
 492                         {
 493                         p=scan_esc(conf,p);
 494                         continue;
 495                         }
 496                 if (IS_EOF(conf,*p))
 497                         return;
 498                 else
 499                         p++;
 500                 }
 501         }
 502
 503 static int str_copy(CONF *conf, char *section, char **pto, char *from)
 504         {
 505         int q,r,rr=0,to=0,len=0;
 506         char *s,*e,*rp,*p,*rrp,*np,*cp,v;
 507         BUF_MEM *buf;
 508
 509         if ((buf=BUF_MEM_new()) == NULL) return(0);
 510
 511         len=strlen(from)+1;
 512         if (!BUF_MEM_grow(buf,len)) goto err;
 513
 514         for (;;)
 515                 {
 516                 if (IS_QUOTE(conf,*from))
 517                         {
 518                         q= *from;
 519                         from++;
 520                         while (!IS_EOF(conf,*from) && (*from != q))
 521                                 {
 522                                 if (IS_ESC(conf,*from))
 523                                         {
 524                                         from++;
 525                                         if (IS_EOF(conf,*from)) break;
 526                                         }
 527                                 buf->data[to++]= *(from++);
 528                                 }
 529                         if (*from == q) from++;
 530                         }
 531                 else if (IS_DQUOTE(conf,*from))
 532                         {
 533                         q= *from;
 534                         from++;
 535                         while (!IS_EOF(conf,*from))
 536                                 {
 537                                 if (*from == q)
 538                                         {
 539                                         if (*(from+1) == q)
 540                                                 {
 541                                                 from++;
 542                                                 }
 543                                         else
 544                                                 {
 545                                                 break;
 546                                                 }
 547                                         }
 548                                 buf->data[to++]= *(from++);
 549                                 }
 550                         if (*from == q) from++;
 551                         }
 552                 else if (IS_ESC(conf,*from))
 553                         {
 554                         from++;
 555                         v= *(from++);
 556                         if (IS_EOF(conf,v)) break;
 557                         else if (v == 'r') v='\r';
 558                         else if (v == 'n') v='\n';
 559                         else if (v == 'b') v='\b';
 560                         else if (v == 't') v='\t';
 561                         buf->data[to++]= v;
 562                         }
 563                 else if (IS_EOF(conf,*from))
 564                         break;
 565                 else if (*from == '$')
 566                         {
 567                         /* try to expand it */
 568                         rrp=NULL;
 569                         s= &(from[1]);
 570                         if (*s == '{')
 571                                 q='}';
 572                         else if (*s == '(')
 573                                 q=')';
 574                         else q=0;
 575
 576                         if (q) s++;
 577                         cp=section;
 578                         e=np=s;
 579                         while (IS_ALPHA_NUMERIC(conf,*e))
 580                                 e++;
 581                         if ((e[0] == ':') && (e[1] == ':'))
 582                                 {
 583                                 cp=np;
 584                                 rrp=e;
 585                                 rr= *e;
 586                                 *rrp='\0';
 587                                 e+=2;
 588                                 np=e;
 589                                 while (IS_ALPHA_NUMERIC(conf,*e))
 590                                         e++;
 591                                 }
 592                         r= *e;
 593                         *e='\0';
 594                         rp=e;
 595                         if (q)
 596                                 {
 597                                 if (r != q)
 598                                         {
 599                                         CONFerr(CONF_F_STR_COPY,CONF_R_NO_CLOSE_BRACE);
 600                                         goto err;
 601                                         }
 602                                 e++;
 603                                 }
 604                         /*-
 605                          * So at this point we have
 606                          * np which is the start of the name string which is
 607                          *   '\0' terminated.
 608                          * cp which is the start of the section string which is
 609                          *   '\0' terminated.
 610                          * e is the 'next point after'.
 611                          * r and rr are the chars replaced by the '\0'
 612                          * rp and rrp is where 'r' and 'rr' 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_clean(buf,(strlen(p)+buf->length-(e-from)));
 623                         while (*p)
 624                                 buf->data[to++]= *(p++);
 625
 626                         /* Since we change the pointer 'from', we also have
 627                            to change the perceived length of the string it
 628                            points at.  /RL */
 629                         len -= e-from;
 630                         from=e;
 631
 632                         /* In case there were no braces or parenthesis around
 633                            the variable reference, we have to put back the
 634                            character that was replaced with a '\0'.  /RL */
 635                         *rp = r;
 636                         }
 637                 else
 638                         buf->data[to++]= *(from++);
 639                 }
 640         buf->data[to]='\0';
 641         if (*pto != NULL) OPENSSL_free(*pto);
 642         *pto=buf->data;
 643         OPENSSL_free(buf);
 644         return(1);
 645 err:
 646         if (buf != NULL) BUF_MEM_free(buf);
 647         return(0);
 648         }
 649
 650 static char *eat_ws(CONF *conf, char *p)
 651         {
 652         while (IS_WS(conf,*p) && (!IS_EOF(conf,*p)))
 653                 p++;
 654         return(p);
 655         }
 656
 657 static char *eat_alpha_numeric(CONF *conf, char *p)
 658         {
 659         for (;;)
 660                 {
 661                 if (IS_ESC(conf,*p))
 662                         {
 663                         p=scan_esc(conf,p);
 664                         continue;
 665                         }
 666                 if (!IS_ALPHA_NUMERIC_PUNCT(conf,*p))
 667                         return(p);
 668                 p++;
 669                 }
 670         }
 671
 672 static char *scan_quote(CONF *conf, char *p)
 673         {
 674         int q= *p;
 675
 676         p++;
 677         while (!(IS_EOF(conf,*p)) && (*p != q))
 678                 {
 679                 if (IS_ESC(conf,*p))
 680                         {
 681                         p++;
 682                         if (IS_EOF(conf,*p)) return(p);
 683                         }
 684                 p++;
 685                 }
 686         if (*p == q) p++;
 687         return(p);
 688         }
 689
 690
 691 static char *scan_dquote(CONF *conf, char *p)
 692         {
 693         int q= *p;
 694
 695         p++;
 696         while (!(IS_EOF(conf,*p)))
 697                 {
 698                 if (*p == q)
 699                         {
 700                         if (*(p+1) == q)
 701                                 {
 702                                 p++;
 703                                 }
 704                         else
 705                                 {
 706                                 break;
 707                                 }
 708                         }
 709                 p++;
 710                 }
 711         if (*p == q) p++;
 712         return(p);
 713         }
 714
 715 static void dump_value_doall_arg(CONF_VALUE *a, BIO *out)
 716         {
 717         if (a->name)
 718                 BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value);
 719         else
 720                 BIO_printf(out, "[[%s]]\n", a->section);
 721         }
 722
 723 static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_value, CONF_VALUE, BIO)
 724
 725 static int def_dump(const CONF *conf, BIO *out)
 726         {
 727         lh_CONF_VALUE_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_value),
 728                                 BIO, out);
 729         return 1;
 730         }
 731
 732 static int def_is_number(const CONF *conf, char c)
 733         {
 734         return IS_NUMBER(conf,c);
 735         }
 736
 737 static int def_to_int(const CONF *conf, char c)
 738         {
 739         return c - '0';
 740         }
 741