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
 124 CONF_METHOD *NCONF_WIN32()
 125 {
 126     return &WIN32_method;
 127 }
 128
 129 static CONF *def_create(CONF_METHOD *meth)
 130 {
 131     CONF *ret;
 132
 133     ret = (CONF *)OPENSSL_malloc(sizeof(CONF) + sizeof(unsigned short *));
 134     if (ret)
 135         if (meth->init(ret) == 0) {
 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         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         if (ERR_GET_REASON(ERR_peek_last_error()) == BIO_R_NO_SUCH_FILE)
 195             CONFerr(CONF_F_DEF_LOAD, CONF_R_NO_SUCH_FILE);
 196         else
 197             CONFerr(CONF_F_DEF_LOAD, ERR_R_SYS_LIB);
 198         return 0;
 199     }
 200
 201     ret = def_load_bio(conf, in, line);
 202     BIO_free(in);
 203
 204     return ret;
 205 }
 206
 207 static int def_load_bio(CONF *conf, BIO *in, long *line)
 208 {
 209 /* The macro BUFSIZE conflicts with a system macro in VxWorks */
 210 #define CONFBUFSIZE     512
 211     int bufnum = 0, i, ii;
 212     BUF_MEM *buff = NULL;
 213     char *s, *p, *end;
 214     int again;
 215     long eline = 0;
 216     char btmp[DECIMAL_SIZE(eline) + 1];
 217     CONF_VALUE *v = NULL, *tv;
 218     CONF_VALUE *sv = NULL;
 219     char *section = NULL, *buf;
 220 /*      STACK_OF(CONF_VALUE) *section_sk=NULL;*/
 221 /*      STACK_OF(CONF_VALUE) *ts=NULL;*/
 222     char *start, *psection, *pname;
 223     void *h = (void *)(conf->data);
 224
 225     if ((buff = BUF_MEM_new()) == NULL) {
 226         CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB);
 227         goto err;
 228     }
 229
 230     section = (char *)OPENSSL_malloc(10);
 231     if (section == NULL) {
 232         CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
 233         goto err;
 234     }
 235     BUF_strlcpy(section, "default", 10);
 236
 237     if (_CONF_new_data(conf) == 0) {
 238         CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
 239         goto err;
 240     }
 241
 242     sv = _CONF_new_section(conf, section);
 243     if (sv == NULL) {
 244         CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 245         goto err;
 246     }
 247 /*      section_sk=(STACK_OF(CONF_VALUE) *)sv->value;*/
 248
 249     bufnum = 0;
 250     again = 0;
 251     for (;;) {
 252         if (!BUF_MEM_grow(buff, bufnum + CONFBUFSIZE)) {
 253             CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB);
 254             goto err;
 255         }
 256         p = &(buff->data[bufnum]);
 257         *p = '\0';
 258         BIO_gets(in, p, CONFBUFSIZE - 1);
 259         p[CONFBUFSIZE - 1] = '\0';
 260         ii = i = strlen(p);
 261         if (i == 0 && !again)
 262             break;
 263         again = 0;
 264         while (i > 0) {
 265             if ((p[i - 1] != '\r') && (p[i - 1] != '\n'))
 266                 break;
 267             else
 268                 i--;
 269         }
 270         /*
 271          * we removed some trailing stuff so there is a new line on the end.
 272          */
 273         if (ii && i == ii)
 274             again = 1;          /* long line */
 275         else {
 276             p[i] = '\0';
 277             eline++;            /* another input line */
 278         }
 279
 280         /* we now have a line with trailing \r\n removed */
 281
 282         /* i is the number of bytes */
 283         bufnum += i;
 284
 285         v = NULL;
 286         /* check for line continuation */
 287         if (bufnum >= 1) {
 288             /*
 289              * If we have bytes and the last char '\\' and second last char
 290              * is not '\\'
 291              */
 292             p = &(buff->data[bufnum - 1]);
 293             if (IS_ESC(conf, p[0]) && ((bufnum <= 1) || !IS_ESC(conf, p[-1]))) {
 294                 bufnum--;
 295                 again = 1;
 296             }
 297         }
 298         if (again)
 299             continue;
 300         bufnum = 0;
 301         buf = buff->data;
 302
 303         clear_comments(conf, buf);
 304         s = eat_ws(conf, buf);
 305         if (IS_EOF(conf, *s))
 306             continue;           /* blank line */
 307         if (*s == '[') {
 308             char *ss;
 309
 310             s++;
 311             start = eat_ws(conf, s);
 312             ss = start;
 313  again:
 314             end = eat_alpha_numeric(conf, ss);
 315             p = eat_ws(conf, end);
 316             if (*p != ']') {
 317                 if (*p != '\0' && ss != p) {
 318                     ss = p;
 319                     goto again;
 320                 }
 321                 CONFerr(CONF_F_DEF_LOAD_BIO,
 322                         CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
 323                 goto err;
 324             }
 325             *end = '\0';
 326             if (!str_copy(conf, NULL, &section, start))
 327                 goto err;
 328             if ((sv = _CONF_get_section(conf, section)) == NULL)
 329                 sv = _CONF_new_section(conf, section);
 330             if (sv == NULL) {
 331                 CONFerr(CONF_F_DEF_LOAD_BIO,
 332                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 333                 goto err;
 334             }
 335 /*                      section_sk=(STACK_OF(CONF_VALUE) *)sv->value;*/
 336             continue;
 337         } else {
 338             pname = s;
 339             psection = NULL;
 340             end = eat_alpha_numeric(conf, s);
 341             if ((end[0] == ':') && (end[1] == ':')) {
 342                 *end = '\0';
 343                 end += 2;
 344                 psection = pname;
 345                 pname = end;
 346                 end = eat_alpha_numeric(conf, end);
 347             }
 348             p = eat_ws(conf, end);
 349             if (*p != '=') {
 350                 CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_MISSING_EQUAL_SIGN);
 351                 goto err;
 352             }
 353             *end = '\0';
 354             p++;
 355             start = eat_ws(conf, p);
 356             while (!IS_EOF(conf, *p))
 357                 p++;
 358             p--;
 359             while ((p != start) && (IS_WS(conf, *p)))
 360                 p--;
 361             p++;
 362             *p = '\0';
 363
 364             if (!(v = (CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE)))) {
 365                 CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
 366                 goto err;
 367             }
 368             if (psection == NULL)
 369                 psection = section;
 370             v->name = (char *)OPENSSL_malloc(strlen(pname) + 1);
 371             v->value = NULL;
 372             if (v->name == NULL) {
 373                 CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
 374                 goto err;
 375             }
 376             BUF_strlcpy(v->name, pname, strlen(pname) + 1);
 377             if (!str_copy(conf, psection, &(v->value), start))
 378                 goto err;
 379
 380             if (strcmp(psection, section) != 0) {
 381                 if ((tv = _CONF_get_section(conf, psection))
 382                     == NULL)
 383                     tv = _CONF_new_section(conf, psection);
 384                 if (tv == NULL) {
 385                     CONFerr(CONF_F_DEF_LOAD_BIO,
 386                             CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 387                     goto err;
 388                 }
 389 /*                              ts=(STACK_OF(CONF_VALUE) *)tv->value;*/
 390             } else {
 391                 tv = sv;
 392 /*                              ts=section_sk;*/
 393             }
 394 #if 1
 395             if (_CONF_add_string(conf, tv, v) == 0) {
 396                 CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
 397                 goto err;
 398             }
 399 #else
 400             v->section = tv->section;
 401             if (!sk_CONF_VALUE_push(ts, v)) {
 402                 CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
 403                 goto err;
 404             }
 405             vv = (CONF_VALUE *)lh_insert(conf->data, v);
 406             if (vv != NULL) {
 407                 sk_CONF_VALUE_delete_ptr(ts, vv);
 408                 OPENSSL_free(vv->name);
 409                 OPENSSL_free(vv->value);
 410                 OPENSSL_free(vv);
 411             }
 412 #endif
 413             v = NULL;
 414         }
 415     }
 416     if (buff != NULL)
 417         BUF_MEM_free(buff);
 418     if (section != NULL)
 419         OPENSSL_free(section);
 420     return (1);
 421  err:
 422     if (buff != NULL)
 423         BUF_MEM_free(buff);
 424     if (section != NULL)
 425         OPENSSL_free(section);
 426     if (line != NULL)
 427         *line = eline;
 428     BIO_snprintf(btmp, sizeof btmp, "%ld", eline);
 429     ERR_add_error_data(2, "line ", btmp);
 430     if ((h != conf->data) && (conf->data != NULL)) {
 431         CONF_free(conf->data);
 432         conf->data = NULL;
 433     }
 434     if (v != NULL) {
 435         if (v->name != NULL)
 436             OPENSSL_free(v->name);
 437         if (v->value != NULL)
 438             OPENSSL_free(v->value);
 439         if (v != NULL)
 440             OPENSSL_free(v);
 441     }
 442     return (0);
 443 }
 444
 445 static void clear_comments(CONF *conf, char *p)
 446 {
 447     for (;;) {
 448         if (IS_FCOMMENT(conf, *p)) {
 449             *p = '\0';
 450             return;
 451         }
 452         if (!IS_WS(conf, *p)) {
 453             break;
 454         }
 455         p++;
 456     }
 457
 458     for (;;) {
 459         if (IS_COMMENT(conf, *p)) {
 460             *p = '\0';
 461             return;
 462         }
 463         if (IS_DQUOTE(conf, *p)) {
 464             p = scan_dquote(conf, p);
 465             continue;
 466         }
 467         if (IS_QUOTE(conf, *p)) {
 468             p = scan_quote(conf, p);
 469             continue;
 470         }
 471         if (IS_ESC(conf, *p)) {
 472             p = scan_esc(conf, p);
 473             continue;
 474         }
 475         if (IS_EOF(conf, *p))
 476             return;
 477         else
 478             p++;
 479     }
 480 }
 481
 482 static int str_copy(CONF *conf, char *section, char **pto, char *from)
 483 {
 484     int q, r, rr = 0, to = 0, len = 0;
 485     char *s, *e, *rp, *p, *rrp, *np, *cp, v;
 486     BUF_MEM *buf;
 487
 488     if ((buf = BUF_MEM_new()) == NULL)
 489         return (0);
 490
 491     len = strlen(from) + 1;
 492     if (!BUF_MEM_grow(buf, len))
 493         goto err;
 494
 495     for (;;) {
 496         if (IS_QUOTE(conf, *from)) {
 497             q = *from;
 498             from++;
 499             while (!IS_EOF(conf, *from) && (*from != q)) {
 500                 if (IS_ESC(conf, *from)) {
 501                     from++;
 502                     if (IS_EOF(conf, *from))
 503                         break;
 504                 }
 505                 buf->data[to++] = *(from++);
 506             }
 507             if (*from == q)
 508                 from++;
 509         } else if (IS_DQUOTE(conf, *from)) {
 510             q = *from;
 511             from++;
 512             while (!IS_EOF(conf, *from)) {
 513                 if (*from == q) {
 514                     if (*(from + 1) == q) {
 515                         from++;
 516                     } else {
 517                         break;
 518                     }
 519                 }
 520                 buf->data[to++] = *(from++);
 521             }
 522             if (*from == q)
 523                 from++;
 524         } else if (IS_ESC(conf, *from)) {
 525             from++;
 526             v = *(from++);
 527             if (IS_EOF(conf, v))
 528                 break;
 529             else if (v == 'r')
 530                 v = '\r';
 531             else if (v == 'n')
 532                 v = '\n';
 533             else if (v == 'b')
 534                 v = '\b';
 535             else if (v == 't')
 536                 v = '\t';
 537             buf->data[to++] = v;
 538         } else if (IS_EOF(conf, *from))
 539             break;
 540         else if (*from == '$') {
 541             /* try to expand it */
 542             rrp = NULL;
 543             s = &(from[1]);
 544             if (*s == '{')
 545                 q = '}';
 546             else if (*s == '(')
 547                 q = ')';
 548             else
 549                 q = 0;
 550
 551             if (q)
 552                 s++;
 553             cp = section;
 554             e = np = s;
 555             while (IS_ALPHA_NUMERIC(conf, *e))
 556                 e++;
 557             if ((e[0] == ':') && (e[1] == ':')) {
 558                 cp = np;
 559                 rrp = e;
 560                 rr = *e;
 561                 *rrp = '\0';
 562                 e += 2;
 563                 np = e;
 564                 while (IS_ALPHA_NUMERIC(conf, *e))
 565                     e++;
 566             }
 567             r = *e;
 568             *e = '\0';
 569             rp = e;
 570             if (q) {
 571                 if (r != q) {
 572                     CONFerr(CONF_F_STR_COPY, CONF_R_NO_CLOSE_BRACE);
 573                     goto err;
 574                 }
 575                 e++;
 576             }
 577                         /*-
 578                          * So at this point we have
 579                          * np which is the start of the name string which is
 580                          *   '\0' terminated.
 581                          * cp which is the start of the section string which is
 582                          *   '\0' terminated.
 583                          * e is the 'next point after'.
 584                          * r and rr are the chars replaced by the '\0'
 585                          * rp and rrp is where 'r' and 'rr' came from.
 586                          */
 587             p = _CONF_get_string(conf, cp, np);
 588             if (rrp != NULL)
 589                 *rrp = rr;
 590             *rp = r;
 591             if (p == NULL) {
 592                 CONFerr(CONF_F_STR_COPY, CONF_R_VARIABLE_HAS_NO_VALUE);
 593                 goto err;
 594             }
 595             BUF_MEM_grow_clean(buf, (strlen(p) + buf->length - (e - from)));
 596             while (*p)
 597                 buf->data[to++] = *(p++);
 598
 599             /*
 600              * Since we change the pointer 'from', we also have to change the
 601              * perceived length of the string it points at.  /RL
 602              */
 603             len -= e - from;
 604             from = e;
 605
 606             /*
 607              * In case there were no braces or parenthesis around the
 608              * variable reference, we have to put back the character that was
 609              * replaced with a '\0'.  /RL
 610              */
 611             *rp = r;
 612         } else
 613             buf->data[to++] = *(from++);
 614     }
 615     buf->data[to] = '\0';
 616     if (*pto != NULL)
 617         OPENSSL_free(*pto);
 618     *pto = buf->data;
 619     OPENSSL_free(buf);
 620     return (1);
 621  err:
 622     if (buf != NULL)
 623         BUF_MEM_free(buf);
 624     return (0);
 625 }
 626
 627 static char *eat_ws(CONF *conf, char *p)
 628 {
 629     while (IS_WS(conf, *p) && (!IS_EOF(conf, *p)))
 630         p++;
 631     return (p);
 632 }
 633
 634 static char *eat_alpha_numeric(CONF *conf, char *p)
 635 {
 636     for (;;) {
 637         if (IS_ESC(conf, *p)) {
 638             p = scan_esc(conf, p);
 639             continue;
 640         }
 641         if (!IS_ALPHA_NUMERIC_PUNCT(conf, *p))
 642             return (p);
 643         p++;
 644     }
 645 }
 646
 647 static char *scan_quote(CONF *conf, char *p)
 648 {
 649     int q = *p;
 650
 651     p++;
 652     while (!(IS_EOF(conf, *p)) && (*p != q)) {
 653         if (IS_ESC(conf, *p)) {
 654             p++;
 655             if (IS_EOF(conf, *p))
 656                 return (p);
 657         }
 658         p++;
 659     }
 660     if (*p == q)
 661         p++;
 662     return (p);
 663 }
 664
 665 static char *scan_dquote(CONF *conf, char *p)
 666 {
 667     int q = *p;
 668
 669     p++;
 670     while (!(IS_EOF(conf, *p))) {
 671         if (*p == q) {
 672             if (*(p + 1) == q) {
 673                 p++;
 674             } else {
 675                 break;
 676             }
 677         }
 678         p++;
 679     }
 680     if (*p == q)
 681         p++;
 682     return (p);
 683 }
 684
 685 static void dump_value(CONF_VALUE *a, BIO *out)
 686 {
 687     if (a->name)
 688         BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value);
 689     else
 690         BIO_printf(out, "[[%s]]\n", a->section);
 691 }
 692
 693 static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_value, CONF_VALUE *, BIO *)
 694
 695 static int def_dump(const CONF *conf, BIO *out)
 696 {
 697     lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_value), out);
 698     return 1;
 699 }
 700
 701 static int def_is_number(const CONF *conf, char c)
 702 {
 703     return IS_NUMBER(conf, c);
 704 }
 705
 706 static int def_to_int(const CONF *conf, char c)
 707 {
 708     return c - '0';
 709 }