apps/apps.c

   1 /* apps/apps.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 <stdlib.h>
  61 #include <string.h>
  62 #include <sys/types.h>
  63 #include <sys/stat.h>
  64 #define NON_MAIN
  65 #include "apps.h"
  66 #undef NON_MAIN
  67 #include <openssl/err.h>
  68 #include <openssl/x509.h>
  69 #include <openssl/pem.h>
  70 #include <openssl/pkcs12.h>
  71 #include <openssl/safestack.h>
  72
  73 #ifdef WINDOWS
  74 #  include "bss_file.c"
  75 #endif
  76
  77 typedef struct {
  78         char *name;
  79         unsigned long flag;
  80         unsigned long mask;
  81 } NAME_EX_TBL;
  82
  83 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
  84
  85 int app_init(long mesgwin);
  86 #ifdef undef /* never finished - probably never will be :-) */
  87 int args_from_file(char *file, int *argc, char **argv[])
  88         {
  89         FILE *fp;
  90         int num,i;
  91         unsigned int len;
  92         static char *buf=NULL;
  93         static char **arg=NULL;
  94         char *p;
  95         struct stat stbuf;
  96
  97         if (stat(file,&stbuf) < 0) return(0);
  98
  99         fp=fopen(file,"r");
 100         if (fp == NULL)
 101                 return(0);
 102
 103         *argc=0;
 104         *argv=NULL;
 105
 106         len=(unsigned int)stbuf.st_size;
 107         if (buf != NULL) OPENSSL_free(buf);
 108         buf=(char *)OPENSSL_malloc(len+1);
 109         if (buf == NULL) return(0);
 110
 111         len=fread(buf,1,len,fp);
 112         if (len <= 1) return(0);
 113         buf[len]='\0';
 114
 115         i=0;
 116         for (p=buf; *p; p++)
 117                 if (*p == '\n') i++;
 118         if (arg != NULL) OPENSSL_free(arg);
 119         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 120
 121         *argv=arg;
 122         num=0;
 123         p=buf;
 124         for (;;)
 125                 {
 126                 if (!*p) break;
 127                 if (*p == '#') /* comment line */
 128                         {
 129                         while (*p && (*p != '\n')) p++;
 130                         continue;
 131                         }
 132                 /* else we have a line */
 133                 *(arg++)=p;
 134                 num++;
 135                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 136                         p++;
 137                 if (!*p) break;
 138                 if (*p == '\n')
 139                         {
 140                         *(p++)='\0';
 141                         continue;
 142                         }
 143                 /* else it is a tab or space */
 144                 p++;
 145                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 146                         p++;
 147                 if (!*p) break;
 148                 if (*p == '\n')
 149                         {
 150                         p++;
 151                         continue;
 152                         }
 153                 *(arg++)=p++;
 154                 num++;
 155                 while (*p && (*p != '\n')) p++;
 156                 if (!*p) break;
 157                 /* else *p == '\n' */
 158                 *(p++)='\0';
 159                 }
 160         *argc=num;
 161         return(1);
 162         }
 163 #endif
 164
 165 int str2fmt(char *s)
 166         {
 167         if      ((*s == 'D') || (*s == 'd'))
 168                 return(FORMAT_ASN1);
 169         else if ((*s == 'T') || (*s == 't'))
 170                 return(FORMAT_TEXT);
 171         else if ((*s == 'P') || (*s == 'p'))
 172                 return(FORMAT_PEM);
 173         else if ((*s == 'N') || (*s == 'n'))
 174                 return(FORMAT_NETSCAPE);
 175         else if ((*s == 'S') || (*s == 's'))
 176                 return(FORMAT_SMIME);
 177         else if ((*s == '1')
 178                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 179                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 180                 return(FORMAT_PKCS12);
 181         else if ((*s == 'E') || (*s == 'e'))
 182                 return(FORMAT_ENGINE);
 183         else
 184                 return(FORMAT_UNDEF);
 185         }
 186
 187 #if defined(MSDOS) || defined(WIN32) || defined(WIN16)
 188 void program_name(char *in, char *out, int size)
 189         {
 190         int i,n;
 191         char *p=NULL;
 192
 193         n=strlen(in);
 194         /* find the last '/', '\' or ':' */
 195         for (i=n-1; i>0; i--)
 196                 {
 197                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 198                         {
 199                         p= &(in[i+1]);
 200                         break;
 201                         }
 202                 }
 203         if (p == NULL)
 204                 p=in;
 205         n=strlen(p);
 206         /* strip off trailing .exe if present. */
 207         if ((n > 4) && (p[n-4] == '.') &&
 208                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 209                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 210                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 211                 n-=4;
 212         if (n > size-1)
 213                 n=size-1;
 214
 215         for (i=0; i<n; i++)
 216                 {
 217                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 218                         out[i]=p[i]-'A'+'a';
 219                 else
 220                         out[i]=p[i];
 221                 }
 222         out[n]='\0';
 223         }
 224 #else
 225 #ifdef VMS
 226 void program_name(char *in, char *out, int size)
 227         {
 228         char *p=in, *q;
 229         char *chars=":]>";
 230
 231         while(*chars != '\0')
 232                 {
 233                 q=strrchr(p,*chars);
 234                 if (q > p)
 235                         p = q + 1;
 236                 chars++;
 237                 }
 238
 239         q=strrchr(p,'.');
 240         if (q == NULL)
 241                 q = in+size;
 242         strncpy(out,p,q-p);
 243         out[q-p]='\0';
 244         }
 245 #else
 246 void program_name(char *in, char *out, int size)
 247         {
 248         char *p;
 249
 250         p=strrchr(in,'/');
 251         if (p != NULL)
 252                 p++;
 253         else
 254                 p=in;
 255         strncpy(out,p,size-1);
 256         out[size-1]='\0';
 257         }
 258 #endif
 259 #endif
 260
 261 #ifdef WIN32
 262 int WIN32_rename(char *from, char *to)
 263         {
 264 #ifdef WINNT
 265         int ret;
 266 /* Note: MoveFileEx() doesn't work under Win95, Win98 */
 267
 268         ret=MoveFileEx(from,to,MOVEFILE_REPLACE_EXISTING|MOVEFILE_COPY_ALLOWED);
 269         return(ret?0:-1);
 270 #else
 271         unlink(to);
 272         return MoveFile(from, to);
 273 #endif
 274         }
 275 #endif
 276
 277 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 278         {
 279         int num,len,i;
 280         char *p;
 281
 282         *argc=0;
 283         *argv=NULL;
 284
 285         len=strlen(buf);
 286         i=0;
 287         if (arg->count == 0)
 288                 {
 289                 arg->count=20;
 290                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 291                 }
 292         for (i=0; i<arg->count; i++)
 293                 arg->data[i]=NULL;
 294
 295         num=0;
 296         p=buf;
 297         for (;;)
 298                 {
 299                 /* first scan over white space */
 300                 if (!*p) break;
 301                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 302                         p++;
 303                 if (!*p) break;
 304
 305                 /* The start of something good :-) */
 306                 if (num >= arg->count)
 307                         {
 308                         arg->count+=20;
 309                         arg->data=(char **)OPENSSL_realloc(arg->data,
 310                                 sizeof(char *)*arg->count);
 311                         if (argc == 0) return(0);
 312                         }
 313                 arg->data[num++]=p;
 314
 315                 /* now look for the end of this */
 316                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 317                         {
 318                         i= *(p++);
 319                         arg->data[num-1]++; /* jump over quote */
 320                         while (*p && (*p != i))
 321                                 p++;
 322                         *p='\0';
 323                         }
 324                 else
 325                         {
 326                         while (*p && ((*p != ' ') &&
 327                                 (*p != '\t') && (*p != '\n')))
 328                                 p++;
 329
 330                         if (*p == '\0')
 331                                 p--;
 332                         else
 333                                 *p='\0';
 334                         }
 335                 p++;
 336                 }
 337         *argc=num;
 338         *argv=arg->data;
 339         return(1);
 340         }
 341
 342 #ifndef APP_INIT
 343 int app_init(long mesgwin)
 344         {
 345         return(1);
 346         }
 347 #endif
 348
 349
 350 int dump_cert_text (BIO *out, X509 *x)
 351 {
 352         char buf[256];
 353         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
 354         BIO_puts(out,"subject=");
 355         BIO_puts(out,buf);
 356
 357         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
 358         BIO_puts(out,"\nissuer= ");
 359         BIO_puts(out,buf);
 360         BIO_puts(out,"\n");
 361         return 0;
 362 }
 363
 364 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 365
 366 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 367 {
 368         int same;
 369         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 370         else same = 1;
 371         if(arg1) {
 372                 *pass1 = app_get_pass(err, arg1, same);
 373                 if(!*pass1) return 0;
 374         } else if(pass1) *pass1 = NULL;
 375         if(arg2) {
 376                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 377                 if(!*pass2) return 0;
 378         } else if(pass2) *pass2 = NULL;
 379         return 1;
 380 }
 381
 382 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 383 {
 384         char *tmp, tpass[APP_PASS_LEN];
 385         static BIO *pwdbio = NULL;
 386         int i;
 387         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 388         if(!strncmp(arg, "env:", 4)) {
 389                 tmp = getenv(arg + 4);
 390                 if(!tmp) {
 391                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 392                         return NULL;
 393                 }
 394                 return BUF_strdup(tmp);
 395         }
 396         if(!keepbio || !pwdbio) {
 397                 if(!strncmp(arg, "file:", 5)) {
 398                         pwdbio = BIO_new_file(arg + 5, "r");
 399                         if(!pwdbio) {
 400                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 401                                 return NULL;
 402                         }
 403                 } else if(!strncmp(arg, "fd:", 3)) {
 404                         BIO *btmp;
 405                         i = atoi(arg + 3);
 406                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 407                         if((i < 0) || !pwdbio) {
 408                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 409                                 return NULL;
 410                         }
 411                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 412                         btmp = BIO_new(BIO_f_buffer());
 413                         pwdbio = BIO_push(btmp, pwdbio);
 414                 } else if(!strcmp(arg, "stdin")) {
 415                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 416                         if(!pwdbio) {
 417                                 BIO_printf(err, "Can't open BIO for stdin\n");
 418                                 return NULL;
 419                         }
 420                 } else {
 421                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 422                         return NULL;
 423                 }
 424         }
 425         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 426         if(keepbio != 1) {
 427                 BIO_free_all(pwdbio);
 428                 pwdbio = NULL;
 429         }
 430         if(i <= 0) {
 431                 BIO_printf(err, "Error reading password from BIO\n");
 432                 return NULL;
 433         }
 434         tmp = strchr(tpass, '\n');
 435         if(tmp) *tmp = 0;
 436         return BUF_strdup(tpass);
 437 }
 438
 439 int add_oid_section(BIO *err, LHASH *conf)
 440 {
 441         char *p;
 442         STACK_OF(CONF_VALUE) *sktmp;
 443         CONF_VALUE *cnf;
 444         int i;
 445         if(!(p=CONF_get_string(conf,NULL,"oid_section")))
 446                 {
 447                 ERR_clear_error();
 448                 return 1;
 449                 }
 450         if(!(sktmp = CONF_get_section(conf, p))) {
 451                 BIO_printf(err, "problem loading oid section %s\n", p);
 452                 return 0;
 453         }
 454         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 455                 cnf = sk_CONF_VALUE_value(sktmp, i);
 456                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 457                         BIO_printf(err, "problem creating object %s=%s\n",
 458                                                          cnf->name, cnf->value);
 459                         return 0;
 460                 }
 461         }
 462         return 1;
 463 }
 464
 465 X509 *load_cert(BIO *err, char *file, int format)
 466         {
 467         ASN1_HEADER *ah=NULL;
 468         BUF_MEM *buf=NULL;
 469         X509 *x=NULL;
 470         BIO *cert;
 471
 472         if ((cert=BIO_new(BIO_s_file())) == NULL)
 473                 {
 474                 ERR_print_errors(err);
 475                 goto end;
 476                 }
 477
 478         if (file == NULL)
 479                 {
 480                 setvbuf(stdin, NULL, _IONBF, 0);
 481                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 482                 }
 483         else
 484                 {
 485                 if (BIO_read_filename(cert,file) <= 0)
 486                         {
 487                         perror(file);
 488                         goto end;
 489                         }
 490                 }
 491
 492         if      (format == FORMAT_ASN1)
 493                 x=d2i_X509_bio(cert,NULL);
 494         else if (format == FORMAT_NETSCAPE)
 495                 {
 496                 unsigned char *p,*op;
 497                 int size=0,i;
 498
 499                 /* We sort of have to do it this way because it is sort of nice
 500                  * to read the header first and check it, then
 501                  * try to read the certificate */
 502                 buf=BUF_MEM_new();
 503                 for (;;)
 504                         {
 505                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 506                                 goto end;
 507                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 508                         size+=i;
 509                         if (i == 0) break;
 510                         if (i < 0)
 511                                 {
 512                                 perror("reading certificate");
 513                                 goto end;
 514                                 }
 515                         }
 516                 p=(unsigned char *)buf->data;
 517                 op=p;
 518
 519                 /* First load the header */
 520                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 521                         goto end;
 522                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 523                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 524                         ah->header->length) != 0))
 525                         {
 526                         BIO_printf(err,"Error reading header on certificate\n");
 527                         goto end;
 528                         }
 529                 /* header is ok, so now read the object */
 530                 p=op;
 531                 ah->meth=X509_asn1_meth();
 532                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 533                         goto end;
 534                 x=(X509 *)ah->data;
 535                 ah->data=NULL;
 536                 }
 537         else if (format == FORMAT_PEM)
 538                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
 539         else if (format == FORMAT_PKCS12)
 540                 {
 541                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 542
 543                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 544                 PKCS12_free(p12);
 545                 p12 = NULL;
 546                 }
 547         else    {
 548                 BIO_printf(err,"bad input format specified for input cert\n");
 549                 goto end;
 550                 }
 551 end:
 552         if (x == NULL)
 553                 {
 554                 BIO_printf(err,"unable to load certificate\n");
 555                 ERR_print_errors(err);
 556                 }
 557         if (ah != NULL) ASN1_HEADER_free(ah);
 558         if (cert != NULL) BIO_free(cert);
 559         if (buf != NULL) BUF_MEM_free(buf);
 560         return(x);
 561         }
 562
 563 EVP_PKEY *load_key(BIO *err, char *file, int format, char *pass, ENGINE *e)
 564         {
 565         BIO *key=NULL;
 566         EVP_PKEY *pkey=NULL;
 567
 568         if (file == NULL)
 569                 {
 570                 BIO_printf(err,"no keyfile specified\n");
 571                 goto end;
 572                 }
 573         if (format == FORMAT_ENGINE)
 574                 {
 575                 if (!e)
 576                         BIO_printf(bio_err,"no engine specified\n");
 577                 else
 578                         pkey = ENGINE_load_private_key(e, file, pass);
 579                 goto end;
 580                 }
 581         key=BIO_new(BIO_s_file());
 582         if (key == NULL)
 583                 {
 584                 ERR_print_errors(err);
 585                 goto end;
 586                 }
 587         if (BIO_read_filename(key,file) <= 0)
 588                 {
 589                 perror(file);
 590                 goto end;
 591                 }
 592         if (format == FORMAT_ASN1)
 593                 {
 594                 pkey=d2i_PrivateKey_bio(key, NULL);
 595                 }
 596         else if (format == FORMAT_PEM)
 597                 {
 598                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,pass);
 599                 }
 600         else if (format == FORMAT_PKCS12)
 601                 {
 602                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 603
 604                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 605                 PKCS12_free(p12);
 606                 p12 = NULL;
 607                 }
 608         else
 609                 {
 610                 BIO_printf(err,"bad input format specified for key\n");
 611                 goto end;
 612                 }
 613  end:
 614         if (key != NULL) BIO_free(key);
 615         if (pkey == NULL)
 616                 BIO_printf(err,"unable to load Private Key\n");
 617         return(pkey);
 618         }
 619
 620 EVP_PKEY *load_pubkey(BIO *err, char *file, int format, ENGINE *e)
 621         {
 622         BIO *key=NULL;
 623         EVP_PKEY *pkey=NULL;
 624
 625         if (file == NULL)
 626                 {
 627                 BIO_printf(err,"no keyfile specified\n");
 628                 goto end;
 629                 }
 630         if (format == FORMAT_ENGINE)
 631                 {
 632                 if (!e)
 633                         BIO_printf(bio_err,"no engine specified\n");
 634                 else
 635                         pkey = ENGINE_load_public_key(e, file, NULL);
 636                 goto end;
 637                 }
 638         key=BIO_new(BIO_s_file());
 639         if (key == NULL)
 640                 {
 641                 ERR_print_errors(err);
 642                 goto end;
 643                 }
 644         if (BIO_read_filename(key,file) <= 0)
 645                 {
 646                 perror(file);
 647                 goto end;
 648                 }
 649         if (format == FORMAT_ASN1)
 650                 {
 651                 pkey=d2i_PUBKEY_bio(key, NULL);
 652                 }
 653         else if (format == FORMAT_PEM)
 654                 {
 655                 pkey=PEM_read_bio_PUBKEY(key,NULL,NULL,NULL);
 656                 }
 657         else
 658                 {
 659                 BIO_printf(err,"bad input format specified for key\n");
 660                 goto end;
 661                 }
 662  end:
 663         if (key != NULL) BIO_free(key);
 664         if (pkey == NULL)
 665                 BIO_printf(err,"unable to load Public Key\n");
 666         return(pkey);
 667         }
 668
 669 STACK_OF(X509) *load_certs(BIO *err, char *file, int format)
 670         {
 671         BIO *certs;
 672         int i;
 673         STACK_OF(X509) *othercerts = NULL;
 674         STACK_OF(X509_INFO) *allcerts = NULL;
 675         X509_INFO *xi;
 676
 677         if((certs = BIO_new(BIO_s_file())) == NULL)
 678                 {
 679                 ERR_print_errors(err);
 680                 goto end;
 681                 }
 682
 683         if (file == NULL)
 684                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
 685         else
 686                 {
 687                 if (BIO_read_filename(certs,file) <= 0)
 688                         {
 689                         perror(file);
 690                         goto end;
 691                         }
 692                 }
 693
 694         if      (format == FORMAT_PEM)
 695                 {
 696                 othercerts = sk_X509_new_null();
 697                 if(!othercerts)
 698                         {
 699                         sk_X509_free(othercerts);
 700                         othercerts = NULL;
 701                         goto end;
 702                         }
 703                 allcerts = PEM_X509_INFO_read_bio(certs, NULL, NULL, NULL);
 704                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
 705                         {
 706                         xi = sk_X509_INFO_value (allcerts, i);
 707                         if (xi->x509)
 708                                 {
 709                                 sk_X509_push(othercerts, xi->x509);
 710                                 xi->x509 = NULL;
 711                                 }
 712                         }
 713                 goto end;
 714                 }
 715         else    {
 716                 BIO_printf(err,"bad input format specified for input cert\n");
 717                 goto end;
 718                 }
 719 end:
 720         if (othercerts == NULL)
 721                 {
 722                 BIO_printf(err,"unable to load certificates\n");
 723                 ERR_print_errors(err);
 724                 }
 725         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
 726         if (certs != NULL) BIO_free(certs);
 727         return(othercerts);
 728         }
 729
 730
 731 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
 732 /* Return error for unknown extensions */
 733 #define X509V3_EXT_DEFAULT              0
 734 /* Print error for unknown extensions */
 735 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
 736 /* ASN1 parse unknown extensions */
 737 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
 738 /* BIO_dump unknown extensions */
 739 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
 740
 741 int set_cert_ex(unsigned long *flags, const char *arg)
 742 {
 743         static const NAME_EX_TBL cert_tbl[] = {
 744                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
 745                 { "no_header", X509_FLAG_NO_HEADER, 0},
 746                 { "no_version", X509_FLAG_NO_VERSION, 0},
 747                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
 748                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
 749                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
 750                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
 751                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
 752                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
 753                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
 754                 { "no_aux", X509_FLAG_NO_AUX, 0},
 755                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
 756                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
 757                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
 758                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
 759                 { NULL, 0, 0}
 760         };
 761         return set_table_opts(flags, arg, cert_tbl);
 762 }
 763
 764 int set_name_ex(unsigned long *flags, const char *arg)
 765 {
 766         static const NAME_EX_TBL ex_tbl[] = {
 767                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
 768                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
 769                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
 770                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
 771                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
 772                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
 773                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
 774                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
 775                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
 776                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
 777                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
 778                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
 779                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
 780                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
 781                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
 782                 { "dn_rev", XN_FLAG_DN_REV, 0},
 783                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
 784                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
 785                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
 786                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
 787                 { "space_eq", XN_FLAG_SPC_EQ, 0},
 788                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
 789                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
 790                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
 791                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
 792                 { NULL, 0, 0}
 793         };
 794         return set_table_opts(flags, arg, ex_tbl);
 795 }
 796
 797 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
 798 {
 799         char c;
 800         const NAME_EX_TBL *ptbl;
 801         c = arg[0];
 802
 803         if(c == '-') {
 804                 c = 0;
 805                 arg++;
 806         } else if (c == '+') {
 807                 c = 1;
 808                 arg++;
 809         } else c = 1;
 810
 811         for(ptbl = in_tbl; ptbl->name; ptbl++) {
 812                 if(!strcasecmp(arg, ptbl->name)) {
 813                         *flags &= ~ptbl->mask;
 814                         if(c) *flags |= ptbl->flag;
 815                         else *flags &= ~ptbl->flag;
 816                         return 1;
 817                 }
 818         }
 819         return 0;
 820 }
 821
 822 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
 823 {
 824         char buf[256];
 825         char mline = 0;
 826         int indent = 0;
 827         if(title) BIO_puts(out, title);
 828         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
 829                 mline = 1;
 830                 indent = 4;
 831         }
 832         if(lflags == XN_FLAG_COMPAT) {
 833                 X509_NAME_oneline(nm,buf,256);
 834                 BIO_puts(out,buf);
 835                 BIO_puts(out, "\n");
 836         } else {
 837                 if(mline) BIO_puts(out, "\n");
 838                 X509_NAME_print_ex(out, nm, indent, lflags);
 839                 BIO_puts(out, "\n");
 840         }
 841 }
 842
 843 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
 844 {
 845         X509_STORE *store;
 846         X509_LOOKUP *lookup;
 847         if(!(store = X509_STORE_new())) goto end;
 848         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
 849         if (lookup == NULL) goto end;
 850         if (CAfile) {
 851                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
 852                         BIO_printf(bp, "Error loading file %s\n", CAfile);
 853                         goto end;
 854                 }
 855         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
 856
 857         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
 858         if (lookup == NULL) goto end;
 859         if (CApath) {
 860                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
 861                         BIO_printf(bp, "Error loading directory %s\n", CApath);
 862                         goto end;
 863                 }
 864         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
 865
 866         ERR_clear_error();
 867         return store;
 868         end:
 869         X509_STORE_free(store);
 870         return NULL;
 871 }