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 "stack.h"
  63 #include "lhash.h"
  64 #include "conf.h"
  65 #include "buffer.h"
  66 #include "err.h"
  67
  68 #include "conf_lcl.h"
  69
  70 #ifndef NOPROTO
  71 static void value_free_hash(CONF_VALUE *a, LHASH *conf);
  72 static void value_free_stack(CONF_VALUE *a,LHASH *conf);
  73 static unsigned long hash(CONF_VALUE *v);
  74 static int cmp(CONF_VALUE *a,CONF_VALUE *b);
  75 static char *eat_ws(char *p);
  76 static char *eat_alpha_numeric(char *p);
  77 static void clear_comments(char *p);
  78 static int str_copy(LHASH *conf,char *section,char **to, char *from);
  79 static char *scan_quote(char *p);
  80 static CONF_VALUE *new_section(LHASH *conf,char *section);
  81 static CONF_VALUE *get_section(LHASH *conf,char *section);
  82 #else
  83 static void value_free_hash();
  84 static void value_free_stack();
  85 static unsigned long hash();
  86 static int cmp();
  87 static char *eat_ws();
  88 static char *eat_alpha_numeric();
  89 static void clear_comments();
  90 static int str_copy();
  91 static char *scan_quote();
  92 static CONF_VALUE *new_section();
  93 static CONF_VALUE *get_section();
  94 #endif
  95
  96 #define scan_esc(p)     ((((p)[1] == '\0')?(p++):(p+=2)),p)
  97
  98 char *CONF_version="CONF part of SSLeay 0.9.1a 06-Jul-1998";
  99
 100 LHASH *CONF_load(h,file,line)
 101 LHASH *h;
 102 char *file;
 103 long *line;
 104         {
 105         LHASH *ret=NULL;
 106         FILE *in=NULL;
 107 #define BUFSIZE 512
 108         char btmp[16];
 109         int bufnum=0,i,ii;
 110         BUF_MEM *buff=NULL;
 111         char *s,*p,*end;
 112         int again,n;
 113         long eline=0;
 114         CONF_VALUE *v=NULL,*vv,*tv;
 115         CONF_VALUE *sv=NULL;
 116         char *section=NULL,*buf;
 117         STACK *section_sk=NULL,*ts;
 118         char *start,*psection,*pname;
 119
 120         if ((buff=BUF_MEM_new()) == NULL)
 121                 {
 122                 CONFerr(CONF_F_CONF_LOAD,ERR_R_BUF_LIB);
 123                 goto err;
 124                 }
 125
 126         in=fopen(file,"rb");
 127         if (in == NULL)
 128                 {
 129                 SYSerr(SYS_F_FOPEN,get_last_sys_error());
 130                 ERR_set_error_data(BUF_strdup(file),
 131                         ERR_TXT_MALLOCED|ERR_TXT_STRING);
 132                 CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
 133                 goto err;
 134                 }
 135
 136         section=(char *)Malloc(10);
 137         if (section == NULL)
 138                 {
 139                 CONFerr(CONF_F_CONF_LOAD,ERR_R_MALLOC_FAILURE);
 140                 goto err;
 141                 }
 142         strcpy(section,"default");
 143
 144         if (h == NULL)
 145                 {
 146                 if ((ret=lh_new(hash,cmp)) == NULL)
 147                         {
 148                         CONFerr(CONF_F_CONF_LOAD,ERR_R_MALLOC_FAILURE);
 149                         goto err;
 150                         }
 151                 }
 152         else
 153                 ret=h;
 154
 155         sv=new_section(ret,section);
 156         if (sv == NULL)
 157                 {
 158                 CONFerr(CONF_F_CONF_LOAD,CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 159                 goto err;
 160                 }
 161         section_sk=(STACK *)sv->value;
 162
 163         bufnum=0;
 164         for (;;)
 165                 {
 166                 again=0;
 167                 if (!BUF_MEM_grow(buff,bufnum+BUFSIZE))
 168                         {
 169                         CONFerr(CONF_F_CONF_LOAD,ERR_R_BUF_LIB);
 170                         goto err;
 171                         }
 172                 p= &(buff->data[bufnum]);
 173                 *p='\0';
 174                 fgets(p,BUFSIZE-1,in);
 175                 p[BUFSIZE-1]='\0';
 176                 ii=i=strlen(p);
 177                 if (i == 0) break;
 178                 while (i > 0)
 179                         {
 180                         if ((p[i-1] != '\r') && (p[i-1] != '\n'))
 181                                 break;
 182                         else
 183                                 i--;
 184                         }
 185                 /* we removed some trailing stuff so there is a new
 186                  * line on the end. */
 187                 if (i == ii)
 188                         again=1; /* long line */
 189                 else
 190                         {
 191                         p[i]='\0';
 192                         eline++; /* another input line */
 193                         }
 194
 195                 /* we now have a line with trailing \r\n removed */
 196
 197                 /* i is the number of bytes */
 198                 bufnum+=i;
 199
 200                 v=NULL;
 201                 /* check for line continuation */
 202                 if (bufnum >= 1)
 203                         {
 204                         /* If we have bytes and the last char '\\' and
 205                          * second last char is not '\\' */
 206                         p= &(buff->data[bufnum-1]);
 207                         if (    IS_ESC(p[0]) &&
 208                                 ((bufnum <= 1) || !IS_ESC(p[-1])))
 209                                 {
 210                                 bufnum--;
 211                                 again=1;
 212                                 }
 213                         }
 214                 if (again) continue;
 215                 bufnum=0;
 216                 buf=buff->data;
 217
 218                 clear_comments(buf);
 219                 n=strlen(buf);
 220                 s=eat_ws(buf);
 221                 if (IS_EOF(*s)) continue; /* blank line */
 222                 if (*s == '[')
 223                         {
 224                         char *ss;
 225
 226                         s++;
 227                         start=eat_ws(s);
 228                         ss=start;
 229 again:
 230                         end=eat_alpha_numeric(ss);
 231                         p=eat_ws(end);
 232                         if (*p != ']')
 233                                 {
 234                                 if (*p != '\0')
 235                                         {
 236                                         ss=p;
 237                                         goto again;
 238                                         }
 239                                 CONFerr(CONF_F_CONF_LOAD,CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
 240                                 goto err;
 241                                 }
 242                         *end='\0';
 243                         if (!str_copy(ret,NULL,&section,start)) goto err;
 244                         if ((sv=get_section(ret,section)) == NULL)
 245                                 sv=new_section(ret,section);
 246                         if (sv == NULL)
 247                                 {
 248                                 CONFerr(CONF_F_CONF_LOAD,CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 249                                 goto err;
 250                                 }
 251                         section_sk=(STACK *)sv->value;
 252                         continue;
 253                         }
 254                 else
 255                         {
 256                         pname=s;
 257                         psection=NULL;
 258                         end=eat_alpha_numeric(s);
 259                         if ((end[0] == ':') && (end[1] == ':'))
 260                                 {
 261                                 *end='\0';
 262                                 end+=2;
 263                                 psection=pname;
 264                                 pname=end;
 265                                 end=eat_alpha_numeric(end);
 266                                 }
 267                         p=eat_ws(end);
 268                         if (*p != '=')
 269                                 {
 270                                 CONFerr(CONF_F_CONF_LOAD,CONF_R_MISSING_EQUAL_SIGN);
 271                                 goto err;
 272                                 }
 273                         *end='\0';
 274                         p++;
 275                         start=eat_ws(p);
 276                         while (!IS_EOF(*p))
 277                                 p++;
 278                         p--;
 279                         while ((p != start) && (IS_WS(*p)))
 280                                 p--;
 281                         p++;
 282                         *p='\0';
 283
 284                         if ((v=(CONF_VALUE *)Malloc(sizeof(CONF_VALUE))) == NULL)
 285                                 {
 286                                 CONFerr(CONF_F_CONF_LOAD,ERR_R_MALLOC_FAILURE);
 287                                 goto err;
 288                                 }
 289                         if (psection == NULL) psection=section;
 290                         v->name=(char *)Malloc(strlen(pname)+1);
 291                         v->value=NULL;
 292                         if (v->name == NULL)
 293                                 {
 294                                 CONFerr(CONF_F_CONF_LOAD,ERR_R_MALLOC_FAILURE);
 295                                 goto err;
 296                                 }
 297                         strcpy(v->name,pname);
 298                         if (!str_copy(ret,psection,&(v->value),start)) goto err;
 299
 300                         if (strcmp(psection,section) != 0)
 301                                 {
 302                                 if ((tv=get_section(ret,psection))
 303                                         == NULL)
 304                                         tv=new_section(ret,psection);
 305                                 if (tv == NULL)
 306                                         {
 307                                         CONFerr(CONF_F_CONF_LOAD,CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
 308                                         goto err;
 309                                         }
 310                                 ts=(STACK *)tv->value;
 311                                 }
 312                         else
 313                                 {
 314                                 tv=sv;
 315                                 ts=section_sk;
 316                                 }
 317                         v->section=tv->section;
 318                         if (!sk_push(ts,(char *)v))
 319                                 {
 320                                 CONFerr(CONF_F_CONF_LOAD,ERR_R_MALLOC_FAILURE);
 321                                 goto err;
 322                                 }
 323                         vv=(CONF_VALUE *)lh_insert(ret,(char *)v);
 324                         if (vv != NULL)
 325                                 {
 326                                 sk_delete_ptr(ts,(char *)vv);
 327                                 Free(vv->name);
 328                                 Free(vv->value);
 329                                 Free(vv);
 330                                 }
 331                         v=NULL;
 332                         }
 333                 }
 334         if (buff != NULL) BUF_MEM_free(buff);
 335         if (section != NULL) Free(section);
 336         if (in != NULL) fclose(in);
 337         return(ret);
 338 err:
 339         if (buff != NULL) BUF_MEM_free(buff);
 340         if (section != NULL) Free(section);
 341         if (line != NULL) *line=eline;
 342         sprintf(btmp,"%ld",eline);
 343         ERR_add_error_data(2,"line ",btmp);
 344         if (in != NULL) fclose(in);
 345         if ((h != ret) && (ret != NULL)) CONF_free(ret);
 346         if (v != NULL)
 347                 {
 348                 if (v->name != NULL) Free(v->name);
 349                 if (v->value != NULL) Free(v->value);
 350                 if (v != NULL) Free(v);
 351                 }
 352         return(NULL);
 353         }
 354
 355 char *CONF_get_string(conf,section,name)
 356 LHASH *conf;
 357 char *section;
 358 char *name;
 359         {
 360         CONF_VALUE *v,vv;
 361         char *p;
 362
 363         if (name == NULL) return(NULL);
 364         if (conf != NULL)
 365                 {
 366                 if (section != NULL)
 367                         {
 368                         vv.name=name;
 369                         vv.section=section;
 370                         v=(CONF_VALUE *)lh_retrieve(conf,(char *)&vv);
 371                         if (v != NULL) return(v->value);
 372                         if (strcmp(section,"ENV") == 0)
 373                                 {
 374                                 p=Getenv(name);
 375                                 if (p != NULL) return(p);
 376                                 }
 377                         }
 378                 vv.section="default";
 379                 vv.name=name;
 380                 v=(CONF_VALUE *)lh_retrieve(conf,(char *)&vv);
 381                 if (v != NULL)
 382                         return(v->value);
 383                 else
 384                         return(NULL);
 385                 }
 386         else
 387                 return(Getenv(name));
 388         }
 389
 390 static CONF_VALUE *get_section(conf,section)
 391 LHASH *conf;
 392 char *section;
 393         {
 394         CONF_VALUE *v,vv;
 395
 396         if ((conf == NULL) || (section == NULL)) return(NULL);
 397         vv.name=NULL;
 398         vv.section=section;
 399         v=(CONF_VALUE *)lh_retrieve(conf,(char *)&vv);
 400         return(v);
 401         }
 402
 403 STACK *CONF_get_section(conf,section)
 404 LHASH *conf;
 405 char *section;
 406         {
 407         CONF_VALUE *v;
 408
 409         v=get_section(conf,section);
 410         if (v != NULL)
 411                 return((STACK *)v->value);
 412         else
 413                 return(NULL);
 414         }
 415
 416 long CONF_get_number(conf,section,name)
 417 LHASH *conf;
 418 char *section;
 419 char *name;
 420         {
 421         char *str;
 422         long ret=0;
 423
 424         str=CONF_get_string(conf,section,name);
 425         if (str == NULL) return(0);
 426         for (;;)
 427                 {
 428                 if (IS_NUMER(*str))
 429                         ret=ret*10+(*str -'0');
 430                 else
 431                         return(ret);
 432                 str++;
 433                 }
 434         }
 435
 436 void CONF_free(conf)
 437 LHASH *conf;
 438         {
 439         if (conf == NULL) return;
 440
 441         conf->down_load=0;      /* evil thing to make sure the 'Free()'
 442                                  * works as expected */
 443         lh_doall_arg(conf,(void (*)())value_free_hash,(char *)conf);
 444
 445         /* We now have only 'section' entries in the hash table.
 446          * Due to problems with */
 447
 448         lh_doall_arg(conf,(void (*)())value_free_stack,(char *)conf);
 449         lh_free(conf);
 450         }
 451
 452 static void value_free_hash(a,conf)
 453 CONF_VALUE *a;
 454 LHASH *conf;
 455         {
 456         if (a->name != NULL)
 457                 {
 458                 a=(CONF_VALUE *)lh_delete(conf,(char *)a);
 459                 }
 460         }
 461
 462 static void value_free_stack(a,conf)
 463 CONF_VALUE *a;
 464 LHASH *conf;
 465         {
 466         CONF_VALUE *vv;
 467         STACK *sk;
 468         int i;
 469
 470         if (a->name != NULL) return;
 471
 472         sk=(STACK *)a->value;
 473         for (i=sk_num(sk)-1; i>=0; i--)
 474                 {
 475                 vv=(CONF_VALUE *)sk_value(sk,i);
 476                 Free(vv->value);
 477                 Free(vv->name);
 478                 Free(vv);
 479                 }
 480         if (sk != NULL) sk_free(sk);
 481         Free(a->section);
 482         Free(a);
 483         }
 484
 485 static void clear_comments(p)
 486 char *p;
 487         {
 488         char *to;
 489
 490         to=p;
 491         for (;;)
 492                 {
 493                 if (IS_COMMENT(*p))
 494                         {
 495                         *p='\0';
 496                         return;
 497                         }
 498                 if (IS_QUOTE(*p))
 499                         {
 500                         p=scan_quote(p);
 501                         continue;
 502                         }
 503                 if (IS_ESC(*p))
 504                         {
 505                         p=scan_esc(p);
 506                         continue;
 507                         }
 508                 if (IS_EOF(*p))
 509                         return;
 510                 else
 511                         p++;
 512                 }
 513         }
 514
 515 static int str_copy(conf,section,pto,from)
 516 LHASH *conf;
 517 char *section;
 518 char **pto,*from;
 519         {
 520         int q,r,rr=0,to=0,len=0;
 521         char *s,*e,*rp,*p,*rrp,*np,*cp,v;
 522         BUF_MEM *buf;
 523
 524         if ((buf=BUF_MEM_new()) == NULL) return(0);
 525
 526         len=strlen(from)+1;
 527         if (!BUF_MEM_grow(buf,len)) goto err;
 528
 529         for (;;)
 530                 {
 531                 if (IS_QUOTE(*from))
 532                         {
 533                         q= *from;
 534                         from++;
 535                         while ((*from != '\0') && (*from != q))
 536                                 {
 537                                 if (*from == '\\')
 538                                         {
 539                                         from++;
 540                                         if (*from == '\0') break;
 541                                         }
 542                                 buf->data[to++]= *(from++);
 543                                 }
 544                         }
 545                 else if (*from == '\\')
 546                         {
 547                         from++;
 548                         v= *(from++);
 549                         if (v == '\0') break;
 550                         else if (v == 'r') v='\r';
 551                         else if (v == 'n') v='\n';
 552                         else if (v == 'b') v='\b';
 553                         else if (v == 't') v='\t';
 554                         buf->data[to++]= v;
 555                         }
 556                 else if (*from == '\0')
 557                         break;
 558                 else if (*from == '$')
 559                         {
 560                         /* try to expand it */
 561                         rrp=NULL;
 562                         s= &(from[1]);
 563                         if (*s == '{')
 564                                 q='}';
 565                         else if (*s == '(')
 566                                 q=')';
 567                         else q=0;
 568
 569                         if (q) s++;
 570                         cp=section;
 571                         e=np=s;
 572                         while (IS_ALPHA_NUMERIC(*e))
 573                                 e++;
 574                         if ((e[0] == ':') && (e[1] == ':'))
 575                                 {
 576                                 cp=np;
 577                                 rrp=e;
 578                                 rr= *e;
 579                                 *rrp='\0';
 580                                 e+=2;
 581                                 np=e;
 582                                 while (IS_ALPHA_NUMERIC(*e))
 583                                         e++;
 584                                 }
 585                         r= *e;
 586                         *e='\0';
 587                         rp=e;
 588                         if (q)
 589                                 {
 590                                 if (r != q)
 591                                         {
 592                                         CONFerr(CONF_F_STR_COPY,CONF_R_NO_CLOSE_BRACE);
 593                                         goto err;
 594                                         }
 595                                 e++;
 596                                 }
 597                         /* So at this point we have
 598                          * ns which is the start of the name string which is
 599                          *   '\0' terminated.
 600                          * cs which is the start of the section string which is
 601                          *   '\0' terminated.
 602                          * e is the 'next point after'.
 603                          * r and s are the chars replaced by the '\0'
 604                          * rp and sp is where 'r' and 's' came from.
 605                          */
 606                         p=CONF_get_string(conf,cp,np);
 607                         if (rrp != NULL) *rrp=rr;
 608                         *rp=r;
 609                         if (p == NULL)
 610                                 {
 611                                 CONFerr(CONF_F_STR_COPY,CONF_R_VARIABLE_HAS_NO_VALUE);
 612                                 goto err;
 613                                 }
 614                         BUF_MEM_grow(buf,(strlen(p)+len-(e-from)));
 615                         while (*p)
 616                                 buf->data[to++]= *(p++);
 617                         from=e;
 618                         }
 619                 else
 620                         buf->data[to++]= *(from++);
 621                 }
 622         buf->data[to]='\0';
 623         if (*pto != NULL) Free(*pto);
 624         *pto=buf->data;
 625         Free(buf);
 626         return(1);
 627 err:
 628         if (buf != NULL) BUF_MEM_free(buf);
 629         return(0);
 630         }
 631
 632 static char *eat_ws(p)
 633 char *p;
 634         {
 635         while (IS_WS(*p) && (!IS_EOF(*p)))
 636                 p++;
 637         return(p);
 638         }
 639
 640 static char *eat_alpha_numeric(p)
 641 char *p;
 642         {
 643         for (;;)
 644                 {
 645                 if (IS_ESC(*p))
 646                         {
 647                         p=scan_esc(p);
 648                         continue;
 649                         }
 650                 if (!IS_ALPHA_NUMERIC_PUNCT(*p))
 651                         return(p);
 652                 p++;
 653                 }
 654         }
 655
 656 static unsigned long hash(v)
 657 CONF_VALUE *v;
 658         {
 659         return((lh_strhash(v->section)<<2)^lh_strhash(v->name));
 660         }
 661
 662 static int cmp(a,b)
 663 CONF_VALUE *a,*b;
 664         {
 665         int i;
 666
 667         if (a->section != b->section)
 668                 {
 669                 i=strcmp(a->section,b->section);
 670                 if (i) return(i);
 671                 }
 672
 673         if ((a->name != NULL) && (b->name != NULL))
 674                 {
 675                 i=strcmp(a->name,b->name);
 676                 return(i);
 677                 }
 678         else if (a->name == b->name)
 679                 return(0);
 680         else
 681                 return((a->name == NULL)?-1:1);
 682         }
 683
 684 static char *scan_quote(p)
 685 char *p;
 686         {
 687         int q= *p;
 688
 689         p++;
 690         while (!(IS_EOF(*p)) && (*p != q))
 691                 {
 692                 if (IS_ESC(*p))
 693                         {
 694                         p++;
 695                         if (IS_EOF(*p)) return(p);
 696                         }
 697                 p++;
 698                 }
 699         if (*p == q) p++;
 700         return(p);
 701         }
 702
 703 static CONF_VALUE *new_section(conf,section)
 704 LHASH *conf;
 705 char *section;
 706         {
 707         STACK *sk=NULL;
 708         int ok=0,i;
 709         CONF_VALUE *v=NULL,*vv;
 710
 711         if ((sk=sk_new_null()) == NULL)
 712                 goto err;
 713         if ((v=(CONF_VALUE *)Malloc(sizeof(CONF_VALUE))) == NULL)
 714                 goto err;
 715         i=strlen(section)+1;
 716         if ((v->section=(char *)Malloc(i)) == NULL)
 717                 goto err;
 718
 719         memcpy(v->section,section,i);
 720         v->name=NULL;
 721         v->value=(char *)sk;
 722
 723         vv=(CONF_VALUE *)lh_insert(conf,(char *)v);
 724         if (vv != NULL)
 725                 {
 726 #if !defined(NO_STDIO) && !defined(WIN16)
 727                 fprintf(stderr,"internal fault\n");
 728 #endif
 729                 abort();
 730                 }
 731         ok=1;
 732 err:
 733         if (!ok)
 734                 {
 735                 if (sk != NULL) sk_free(sk);
 736                 if (v != NULL) Free(v);
 737                 v=NULL;
 738                 }
 739         return(v);
 740         }