crypto/conf/conf.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 #include <stdio.h>
  60 #include <errno.h>
  61 #include "cryptlib.h"
  62 #include <openssl/stack.h>
  63 #include <openssl/lhash.h>
  64 #include <openssl/conf.h>
  65 #include <openssl/buffer.h>
  66 #include <openssl/err.h>
  67
  68 #include "conf_lcl.h"
  69
  70 static void value_free_hash(CONF_VALUE *a, LHASH *conf);
  71 static void value_free_stack(CONF_VALUE *a,LHASH *conf);
  72 static unsigned long hash(CONF_VALUE *v);
  73 static int cmp_conf(CONF_VALUE *a,CONF_VALUE *b);
  74 static char *eat_ws(char *p);
  75 static char *eat_alpha_numeric(char *p);
  76 static void clear_comments(char *p);
  77 static int str_copy(LHASH *conf,char *section,char **to, char *from);
  78 static char *scan_quote(char *p);
  79 static CONF_VALUE *new_section(LHASH *conf,char *section);
  80 static CONF_VALUE *get_section(LHASH *conf,char *section);
  81 #define scan_esc(p)     ((((p)[1] == '\0')?(p++):(p+=2)),p)
  82
  83 const char *CONF_version="CONF" OPENSSL_VERSION_PTEXT;
  84
  85
  86 LHASH *CONF_load(LHASH *h, const char *file, long *line)
  87         {
  88         LHASH *ltmp;
  89         BIO *in=NULL;
  90
  91 #ifdef VMS
  92         in=BIO_new_file(file, "r");
  93 #else
  94         in=BIO_new_file(file, "rb");
  95 #endif
  96         if (in == NULL)
  97                 {
  98                 CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
  99                 return NULL;
 100                 }
 101
 102         ltmp = CONF_load_bio(h, in, line);
 103         BIO_free(in);
 104
 105         return ltmp;
 106 }
 107 #ifndef NO_FP_API
 108 LHASH *CONF_load_fp(LHASH *h, FILE *in, long *line)
 109 {
 110         BIO *btmp;
 111         LHASH *ltmp;
 112         if(!(btmp = BIO_new_fp(in, BIO_NOCLOSE))) {
 113                 CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
 114                 return NULL;
 115         }
 116         ltmp = CONF_load_bio(h, btmp, line);
 117         BIO_free(btmp);
 118         return ltmp;
 119 }
 120 #endif
 121
 122 LHASH *CONF_load_bio(LHASH *h, BIO *in, long *line)
 123         {
 124         LHASH *ret=NULL;
 125 #define BUFSIZE 512
 126         char btmp[16];
 127         int bufnum=0,i,ii;
 128         BUF_MEM *buff=NULL;
 129         char *s,*p,*end;
 130         int again,n;
 131         long eline=0;
 132         CONF_VALUE *v=NULL,*vv,*tv;
 133         CONF_VALUE *sv=NULL;
 134         char *section=NULL,*buf;
 135         STACK_OF(CONF_VALUE) *section_sk=NULL,*ts;
 136         char *start,*psection,*pname;
 137
 138         if ((buff=BUF_MEM_new()) == NULL)
 139                 {
 140                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
 141                 goto err;
 142                 }
 143
 144         section=(char *)Malloc(10);
 145         if (section == NULL)
 146                 {
 147                 CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
 148                 goto err;
 149                 }
 150         strcpy(section,"default");
 151
 152         if (h == NULL)
 153                 {
 154                 if ((ret=lh_new(hash,cmp_conf)) == NULL)
 155                         {
 156                         CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
 157                         goto err;
 158                         }
 159                 }
 160         else
 161                 ret=h;
 162
 163         sv=new_section(ret,section);
 164         if (sv == NULL)
 165                 {
 166                 CONFerr(CONF_F_CONF_LOAD_BIO,
 167                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 168                 goto err;
 169                 }
 170         section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
 171
 172         bufnum=0;
 173         for (;;)
 174                 {
 175                 again=0;
 176                 if (!BUF_MEM_grow(buff,bufnum+BUFSIZE))
 177                         {
 178                         CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
 179                         goto err;
 180                         }
 181                 p= &(buff->data[bufnum]);
 182                 *p='\0';
 183                 BIO_gets(in, p, BUFSIZE-1);
 184                 p[BUFSIZE-1]='\0';
 185                 ii=i=strlen(p);
 186                 if (i == 0) break;
 187                 while (i > 0)
 188                         {
 189                         if ((p[i-1] != '\r') && (p[i-1] != '\n'))
 190                                 break;
 191                         else
 192                                 i--;
 193                         }
 194                 /* we removed some trailing stuff so there is a new
 195                  * line on the end. */
 196                 if (i == ii)
 197                         again=1; /* long line */
 198                 else
 199                         {
 200                         p[i]='\0';
 201                         eline++; /* another input line */
 202                         }
 203
 204                 /* we now have a line with trailing \r\n removed */
 205
 206                 /* i is the number of bytes */
 207                 bufnum+=i;
 208
 209                 v=NULL;
 210                 /* check for line continuation */
 211                 if (bufnum >= 1)
 212                         {
 213                         /* If we have bytes and the last char '\\' and
 214                          * second last char is not '\\' */
 215                         p= &(buff->data[bufnum-1]);
 216                         if (    IS_ESC(p[0]) &&
 217                                 ((bufnum <= 1) || !IS_ESC(p[-1])))
 218                                 {
 219                                 bufnum--;
 220                                 again=1;
 221                                 }
 222                         }
 223                 if (again) continue;
 224                 bufnum=0;
 225                 buf=buff->data;
 226
 227                 clear_comments(buf);
 228                 n=strlen(buf);
 229                 s=eat_ws(buf);
 230                 if (IS_EOF(*s)) continue; /* blank line */
 231                 if (*s == '[')
 232                         {
 233                         char *ss;
 234
 235                         s++;
 236                         start=eat_ws(s);
 237                         ss=start;
 238 again:
 239                         end=eat_alpha_numeric(ss);
 240                         p=eat_ws(end);
 241                         if (*p != ']')
 242                                 {
 243                                 if (*p != '\0')
 244                                         {
 245                                         ss=p;
 246                                         goto again;
 247                                         }
 248                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 249                                         CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
 250                                 goto err;
 251                                 }
 252                         *end='\0';
 253                         if (!str_copy(ret,NULL,&section,start)) goto err;
 254                         if ((sv=get_section(ret,section)) == NULL)
 255                                 sv=new_section(ret,section);
 256                         if (sv == NULL)
 257                                 {
 258                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 259                                         CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 260                                 goto err;
 261                                 }
 262                         section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
 263                         continue;
 264                         }
 265                 else
 266                         {
 267                         pname=s;
 268                         psection=NULL;
 269                         end=eat_alpha_numeric(s);
 270                         if ((end[0] == ':') && (end[1] == ':'))
 271                                 {
 272                                 *end='\0';
 273                                 end+=2;
 274                                 psection=pname;
 275                                 pname=end;
 276                                 end=eat_alpha_numeric(end);
 277                                 }
 278                         p=eat_ws(end);
 279                         if (*p != '=')
 280                                 {
 281                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 282                                                 CONF_R_MISSING_EQUAL_SIGN);
 283                                 goto err;
 284                                 }
 285                         *end='\0';
 286                         p++;
 287                         start=eat_ws(p);
 288                         while (!IS_EOF(*p))
 289                                 p++;
 290                         p--;
 291                         while ((p != start) && (IS_WS(*p)))
 292                                 p--;
 293                         p++;
 294                         *p='\0';
 295
 296                         if (!(v=(CONF_VALUE *)Malloc(sizeof(CONF_VALUE))))
 297                                 {
 298                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 299                                                         ERR_R_MALLOC_FAILURE);
 300                                 goto err;
 301                                 }
 302                         if (psection == NULL) psection=section;
 303                         v->name=(char *)Malloc(strlen(pname)+1);
 304                         v->value=NULL;
 305                         if (v->name == NULL)
 306                                 {
 307                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 308                                                         ERR_R_MALLOC_FAILURE);
 309                                 goto err;
 310                                 }
 311                         strcpy(v->name,pname);
 312                         if (!str_copy(ret,psection,&(v->value),start)) goto err;
 313
 314                         if (strcmp(psection,section) != 0)
 315                                 {
 316                                 if ((tv=get_section(ret,psection))
 317                                         == NULL)
 318                                         tv=new_section(ret,psection);
 319                                 if (tv == NULL)
 320                                         {
 321                                         CONFerr(CONF_F_CONF_LOAD_BIO,
 322                                            CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 323                                         goto err;
 324                                         }
 325                                 ts=(STACK_OF(CONF_VALUE) *)tv->value;
 326                                 }
 327                         else
 328                                 {
 329                                 tv=sv;
 330                                 ts=section_sk;
 331                                 }
 332                         v->section=tv->section;
 333                         if (!sk_CONF_VALUE_push(ts,v))
 334                                 {
 335                                 CONFerr(CONF_F_CONF_LOAD_BIO,
 336                                                         ERR_R_MALLOC_FAILURE);
 337                                 goto err;
 338                                 }
 339                         vv=(CONF_VALUE *)lh_insert(ret,v);
 340                         if (vv != NULL)
 341                                 {
 342                                 sk_CONF_VALUE_delete_ptr(ts,vv);
 343                                 Free(vv->name);
 344                                 Free(vv->value);
 345                                 Free(vv);
 346                                 }
 347                         v=NULL;
 348                         }
 349                 }
 350         if (buff != NULL) BUF_MEM_free(buff);
 351         if (section != NULL) Free(section);
 352         return(ret);
 353 err:
 354         if (buff != NULL) BUF_MEM_free(buff);
 355         if (section != NULL) Free(section);
 356         if (line != NULL) *line=eline;
 357         sprintf(btmp,"%ld",eline);
 358         ERR_add_error_data(2,"line ",btmp);
 359         if ((h != ret) && (ret != NULL)) CONF_free(ret);
 360         if (v != NULL)
 361                 {
 362                 if (v->name != NULL) Free(v->name);
 363                 if (v->value != NULL) Free(v->value);
 364                 if (v != NULL) Free(v);
 365                 }
 366         return(NULL);
 367         }
 368
 369 char *CONF_get_string(LHASH *conf, char *section, char *name)
 370         {
 371         CONF_VALUE *v,vv;
 372         char *p;
 373
 374         if (name == NULL) return(NULL);
 375         if (conf != NULL)
 376                 {
 377                 if (section != NULL)
 378                         {
 379                         vv.name=name;
 380                         vv.section=section;
 381                         v=(CONF_VALUE *)lh_retrieve(conf,&vv);
 382                         if (v != NULL) return(v->value);
 383                         if (strcmp(section,"ENV") == 0)
 384                                 {
 385                                 p=Getenv(name);
 386                                 if (p != NULL) return(p);
 387                                 }
 388                         }
 389                 vv.section="default";
 390                 vv.name=name;
 391                 v=(CONF_VALUE *)lh_retrieve(conf,&vv);
 392                 if (v != NULL)
 393                         return(v->value);
 394                 else
 395                         return(NULL);
 396                 }
 397         else
 398                 return(Getenv(name));
 399         }
 400
 401 static CONF_VALUE *get_section(LHASH *conf, char *section)
 402         {
 403         CONF_VALUE *v,vv;
 404
 405         if ((conf == NULL) || (section == NULL)) return(NULL);
 406         vv.name=NULL;
 407         vv.section=section;
 408         v=(CONF_VALUE *)lh_retrieve(conf,&vv);
 409         return(v);
 410         }
 411
 412 STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf, char *section)
 413         {
 414         CONF_VALUE *v;
 415
 416         v=get_section(conf,section);
 417         if (v != NULL)
 418                 return((STACK_OF(CONF_VALUE) *)v->value);
 419         else
 420                 return(NULL);
 421         }
 422
 423 long CONF_get_number(LHASH *conf, char *section, char *name)
 424         {
 425         char *str;
 426         long ret=0;
 427
 428         str=CONF_get_string(conf,section,name);
 429         if (str == NULL) return(0);
 430         for (;;)
 431                 {
 432                 if (IS_NUMER(*str))
 433                         ret=ret*10+(*str -'0');
 434                 else
 435                         return(ret);
 436                 str++;
 437                 }
 438         }
 439
 440 void CONF_free(LHASH *conf)
 441         {
 442         if (conf == NULL) return;
 443
 444         conf->down_load=0;      /* evil thing to make sure the 'Free()'
 445                                  * works as expected */
 446         lh_doall_arg(conf,(void (*)())value_free_hash,conf);
 447
 448         /* We now have only 'section' entries in the hash table.
 449          * Due to problems with */
 450
 451         lh_doall_arg(conf,(void (*)())value_free_stack,conf);
 452         lh_free(conf);
 453         }
 454
 455 static void value_free_hash(CONF_VALUE *a, LHASH *conf)
 456         {
 457         if (a->name != NULL)
 458                 {
 459                 a=(CONF_VALUE *)lh_delete(conf,a);
 460                 }
 461         }
 462
 463 static void value_free_stack(CONF_VALUE *a, LHASH *conf)
 464         {
 465         CONF_VALUE *vv;
 466         STACK *sk;
 467         int i;
 468
 469         if (a->name != NULL) return;
 470
 471         sk=(STACK *)a->value;
 472         for (i=sk_num(sk)-1; i>=0; i--)
 473                 {
 474                 vv=(CONF_VALUE *)sk_value(sk,i);
 475                 Free(vv->value);
 476                 Free(vv->name);
 477                 Free(vv);
 478                 }
 479         if (sk != NULL) sk_free(sk);
 480         Free(a->section);
 481         Free(a);
 482         }
 483
 484 static void clear_comments(char *p)
 485         {
 486         char *to;
 487
 488         to=p;
 489         for (;;)
 490                 {
 491                 if (IS_COMMENT(*p))
 492                         {
 493                         *p='\0';
 494                         return;
 495                         }
 496                 if (IS_QUOTE(*p))
 497                         {
 498                         p=scan_quote(p);
 499                         continue;
 500                         }
 501                 if (IS_ESC(*p))
 502                         {
 503                         p=scan_esc(p);
 504                         continue;
 505                         }
 506                 if (IS_EOF(*p))
 507                         return;
 508                 else
 509                         p++;
 510                 }
 511         }
 512
 513 static int str_copy(LHASH *conf, char *section, char **pto, char *from)
 514         {
 515         int q,r,rr=0,to=0,len=0;
 516         char *s,*e,*rp,*p,*rrp,*np,*cp,v;
 517         BUF_MEM *buf;
 518
 519         if ((buf=BUF_MEM_new()) == NULL) return(0);
 520
 521         len=strlen(from)+1;
 522         if (!BUF_MEM_grow(buf,len)) goto err;
 523
 524         for (;;)
 525                 {
 526                 if (IS_QUOTE(*from))
 527                         {
 528                         q= *from;
 529                         from++;
 530                         while ((*from != '\0') && (*from != q))
 531                                 {
 532                                 if (*from == '\\')
 533                                         {
 534                                         from++;
 535                                         if (*from == '\0') break;
 536                                         }
 537                                 buf->data[to++]= *(from++);
 538                                 }
 539                         }
 540                 else if (*from == '\\')
 541                         {
 542                         from++;
 543                         v= *(from++);
 544                         if (v == '\0') break;
 545                         else if (v == 'r') v='\r';
 546                         else if (v == 'n') v='\n';
 547                         else if (v == 'b') v='\b';
 548                         else if (v == 't') v='\t';
 549                         buf->data[to++]= v;
 550                         }
 551                 else if (*from == '\0')
 552                         break;
 553                 else if (*from == '$')
 554                         {
 555                         /* try to expand it */
 556                         rrp=NULL;
 557                         s= &(from[1]);
 558                         if (*s == '{')
 559                                 q='}';
 560                         else if (*s == '(')
 561                                 q=')';
 562                         else q=0;
 563
 564                         if (q) s++;
 565                         cp=section;
 566                         e=np=s;
 567                         while (IS_ALPHA_NUMERIC(*e))
 568                                 e++;
 569                         if ((e[0] == ':') && (e[1] == ':'))
 570                                 {
 571                                 cp=np;
 572                                 rrp=e;
 573                                 rr= *e;
 574                                 *rrp='\0';
 575                                 e+=2;
 576                                 np=e;
 577                                 while (IS_ALPHA_NUMERIC(*e))
 578                                         e++;
 579                                 }
 580                         r= *e;
 581                         *e='\0';
 582                         rp=e;
 583                         if (q)
 584                                 {
 585                                 if (r != q)
 586                                         {
 587                                         CONFerr(CONF_F_STR_COPY,CONF_R_NO_CLOSE_BRACE);
 588                                         goto err;
 589                                         }
 590                                 e++;
 591                                 }
 592                         /* So at this point we have
 593                          * ns which is the start of the name string which is
 594                          *   '\0' terminated.
 595                          * cs which is the start of the section string which is
 596                          *   '\0' terminated.
 597                          * e is the 'next point after'.
 598                          * r and s are the chars replaced by the '\0'
 599                          * rp and sp is where 'r' and 's' came from.
 600                          */
 601                         p=CONF_get_string(conf,cp,np);
 602                         if (rrp != NULL) *rrp=rr;
 603                         *rp=r;
 604                         if (p == NULL)
 605                                 {
 606                                 CONFerr(CONF_F_STR_COPY,CONF_R_VARIABLE_HAS_NO_VALUE);
 607                                 goto err;
 608                                 }
 609                         BUF_MEM_grow(buf,(strlen(p)+len-(e-from)));
 610                         while (*p)
 611                                 buf->data[to++]= *(p++);
 612                         from=e;
 613                         }
 614                 else
 615                         buf->data[to++]= *(from++);
 616                 }
 617         buf->data[to]='\0';
 618         if (*pto != NULL) Free(*pto);
 619         *pto=buf->data;
 620         Free(buf);
 621         return(1);
 622 err:
 623         if (buf != NULL) BUF_MEM_free(buf);
 624         return(0);
 625         }
 626
 627 static char *eat_ws(char *p)
 628         {
 629         while (IS_WS(*p) && (!IS_EOF(*p)))
 630                 p++;
 631         return(p);
 632         }
 633
 634 static char *eat_alpha_numeric(char *p)
 635         {
 636         for (;;)
 637                 {
 638                 if (IS_ESC(*p))
 639                         {
 640                         p=scan_esc(p);
 641                         continue;
 642                         }
 643                 if (!IS_ALPHA_NUMERIC_PUNCT(*p))
 644                         return(p);
 645                 p++;
 646                 }
 647         }
 648
 649 static unsigned long hash(CONF_VALUE *v)
 650         {
 651         return((lh_strhash(v->section)<<2)^lh_strhash(v->name));
 652         }
 653
 654 static int cmp_conf(CONF_VALUE *a, CONF_VALUE *b)
 655         {
 656         int i;
 657
 658         if (a->section != b->section)
 659                 {
 660                 i=strcmp(a->section,b->section);
 661                 if (i) return(i);
 662                 }
 663
 664         if ((a->name != NULL) && (b->name != NULL))
 665                 {
 666                 i=strcmp(a->name,b->name);
 667                 return(i);
 668                 }
 669         else if (a->name == b->name)
 670                 return(0);
 671         else
 672                 return((a->name == NULL)?-1:1);
 673         }
 674
 675 static char *scan_quote(char *p)
 676         {
 677         int q= *p;
 678
 679         p++;
 680         while (!(IS_EOF(*p)) && (*p != q))
 681                 {
 682                 if (IS_ESC(*p))
 683                         {
 684                         p++;
 685                         if (IS_EOF(*p)) return(p);
 686                         }
 687                 p++;
 688                 }
 689         if (*p == q) p++;
 690         return(p);
 691         }
 692
 693 static CONF_VALUE *new_section(LHASH *conf, char *section)
 694         {
 695         STACK *sk=NULL;
 696         int ok=0,i;
 697         CONF_VALUE *v=NULL,*vv;
 698
 699         if ((sk=sk_new_null()) == NULL)
 700                 goto err;
 701         if ((v=(CONF_VALUE *)Malloc(sizeof(CONF_VALUE))) == NULL)
 702                 goto err;
 703         i=strlen(section)+1;
 704         if ((v->section=(char *)Malloc(i)) == NULL)
 705                 goto err;
 706
 707         memcpy(v->section,section,i);
 708         v->name=NULL;
 709         v->value=(char *)sk;
 710
 711         vv=(CONF_VALUE *)lh_insert(conf,v);
 712         if (vv != NULL)
 713                 {
 714 #if !defined(NO_STDIO) && !defined(WIN16)
 715                 fprintf(stderr,"internal fault\n");
 716 #endif
 717                 abort();
 718                 }
 719         ok=1;
 720 err:
 721         if (!ok)
 722                 {
 723                 if (sk != NULL) sk_free(sk);
 724                 if (v != NULL) Free(v);
 725                 v=NULL;
 726                 }
 727         return(v);
 728         }
 729
 730 IMPLEMENT_STACK_OF(CONF_VALUE)