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 OPENSSL_SYS_WINDOWS
  74 #define strcasecmp _stricmp
  75 #else
  76 #include <strings.h>
  77 #endif
  78
  79 #ifdef OPENSSL_SYS_WINDOWS
  80 #  include "bss_file.c"
  81 #endif
  82
  83 typedef struct {
  84         char *name;
  85         unsigned long flag;
  86         unsigned long mask;
  87 } NAME_EX_TBL;
  88
  89 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
  90
  91 int app_init(long mesgwin);
  92 #ifdef undef /* never finished - probably never will be :-) */
  93 int args_from_file(char *file, int *argc, char **argv[])
  94         {
  95         FILE *fp;
  96         int num,i;
  97         unsigned int len;
  98         static char *buf=NULL;
  99         static char **arg=NULL;
 100         char *p;
 101         struct stat stbuf;
 102
 103         if (stat(file,&stbuf) < 0) return(0);
 104
 105         fp=fopen(file,"r");
 106         if (fp == NULL)
 107                 return(0);
 108
 109         *argc=0;
 110         *argv=NULL;
 111
 112         len=(unsigned int)stbuf.st_size;
 113         if (buf != NULL) OPENSSL_free(buf);
 114         buf=(char *)OPENSSL_malloc(len+1);
 115         if (buf == NULL) return(0);
 116
 117         len=fread(buf,1,len,fp);
 118         if (len <= 1) return(0);
 119         buf[len]='\0';
 120
 121         i=0;
 122         for (p=buf; *p; p++)
 123                 if (*p == '\n') i++;
 124         if (arg != NULL) OPENSSL_free(arg);
 125         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 126
 127         *argv=arg;
 128         num=0;
 129         p=buf;
 130         for (;;)
 131                 {
 132                 if (!*p) break;
 133                 if (*p == '#') /* comment line */
 134                         {
 135                         while (*p && (*p != '\n')) p++;
 136                         continue;
 137                         }
 138                 /* else we have a line */
 139                 *(arg++)=p;
 140                 num++;
 141                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 142                         p++;
 143                 if (!*p) break;
 144                 if (*p == '\n')
 145                         {
 146                         *(p++)='\0';
 147                         continue;
 148                         }
 149                 /* else it is a tab or space */
 150                 p++;
 151                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 152                         p++;
 153                 if (!*p) break;
 154                 if (*p == '\n')
 155                         {
 156                         p++;
 157                         continue;
 158                         }
 159                 *(arg++)=p++;
 160                 num++;
 161                 while (*p && (*p != '\n')) p++;
 162                 if (!*p) break;
 163                 /* else *p == '\n' */
 164                 *(p++)='\0';
 165                 }
 166         *argc=num;
 167         return(1);
 168         }
 169 #endif
 170
 171 int str2fmt(char *s)
 172         {
 173         if      ((*s == 'D') || (*s == 'd'))
 174                 return(FORMAT_ASN1);
 175         else if ((*s == 'T') || (*s == 't'))
 176                 return(FORMAT_TEXT);
 177         else if ((*s == 'P') || (*s == 'p'))
 178                 return(FORMAT_PEM);
 179         else if ((*s == 'N') || (*s == 'n'))
 180                 return(FORMAT_NETSCAPE);
 181         else if ((*s == 'S') || (*s == 's'))
 182                 return(FORMAT_SMIME);
 183         else if ((*s == '1')
 184                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 185                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 186                 return(FORMAT_PKCS12);
 187         else if ((*s == 'E') || (*s == 'e'))
 188                 return(FORMAT_ENGINE);
 189         else
 190                 return(FORMAT_UNDEF);
 191         }
 192
 193 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 194 void program_name(char *in, char *out, int size)
 195         {
 196         int i,n;
 197         char *p=NULL;
 198
 199         n=strlen(in);
 200         /* find the last '/', '\' or ':' */
 201         for (i=n-1; i>0; i--)
 202                 {
 203                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 204                         {
 205                         p= &(in[i+1]);
 206                         break;
 207                         }
 208                 }
 209         if (p == NULL)
 210                 p=in;
 211         n=strlen(p);
 212         /* strip off trailing .exe if present. */
 213         if ((n > 4) && (p[n-4] == '.') &&
 214                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 215                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 216                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 217                 n-=4;
 218         if (n > size-1)
 219                 n=size-1;
 220
 221         for (i=0; i<n; i++)
 222                 {
 223                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 224                         out[i]=p[i]-'A'+'a';
 225                 else
 226                         out[i]=p[i];
 227                 }
 228         out[n]='\0';
 229         }
 230 #else
 231 #ifdef OPENSSL_SYS_VMS
 232 void program_name(char *in, char *out, int size)
 233         {
 234         char *p=in, *q;
 235         char *chars=":]>";
 236
 237         while(*chars != '\0')
 238                 {
 239                 q=strrchr(p,*chars);
 240                 if (q > p)
 241                         p = q + 1;
 242                 chars++;
 243                 }
 244
 245         q=strrchr(p,'.');
 246         if (q == NULL)
 247                 q = in+size;
 248         strncpy(out,p,q-p);
 249         out[q-p]='\0';
 250         }
 251 #else
 252 void program_name(char *in, char *out, int size)
 253         {
 254         char *p;
 255
 256         p=strrchr(in,'/');
 257         if (p != NULL)
 258                 p++;
 259         else
 260                 p=in;
 261         strncpy(out,p,size-1);
 262         out[size-1]='\0';
 263         }
 264 #endif
 265 #endif
 266
 267 #ifdef OPENSSL_SYS_WIN32
 268 int WIN32_rename(char *from, char *to)
 269         {
 270 #ifdef OPENSSL_SYS_WINNT
 271         int ret;
 272 /* Note: MoveFileEx() doesn't work under Win95, Win98 */
 273
 274         ret=MoveFileEx(from,to,MOVEFILE_REPLACE_EXISTING|MOVEFILE_COPY_ALLOWED);
 275         return(ret?0:-1);
 276 #else
 277         unlink(to);
 278         return MoveFile(from, to);
 279 #endif
 280         }
 281 #endif
 282
 283 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 284         {
 285         int num,len,i;
 286         char *p;
 287
 288         *argc=0;
 289         *argv=NULL;
 290
 291         len=strlen(buf);
 292         i=0;
 293         if (arg->count == 0)
 294                 {
 295                 arg->count=20;
 296                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 297                 }
 298         for (i=0; i<arg->count; i++)
 299                 arg->data[i]=NULL;
 300
 301         num=0;
 302         p=buf;
 303         for (;;)
 304                 {
 305                 /* first scan over white space */
 306                 if (!*p) break;
 307                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 308                         p++;
 309                 if (!*p) break;
 310
 311                 /* The start of something good :-) */
 312                 if (num >= arg->count)
 313                         {
 314                         arg->count+=20;
 315                         arg->data=(char **)OPENSSL_realloc(arg->data,
 316                                 sizeof(char *)*arg->count);
 317                         if (argc == 0) return(0);
 318                         }
 319                 arg->data[num++]=p;
 320
 321                 /* now look for the end of this */
 322                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 323                         {
 324                         i= *(p++);
 325                         arg->data[num-1]++; /* jump over quote */
 326                         while (*p && (*p != i))
 327                                 p++;
 328                         *p='\0';
 329                         }
 330                 else
 331                         {
 332                         while (*p && ((*p != ' ') &&
 333                                 (*p != '\t') && (*p != '\n')))
 334                                 p++;
 335
 336                         if (*p == '\0')
 337                                 p--;
 338                         else
 339                                 *p='\0';
 340                         }
 341                 p++;
 342                 }
 343         *argc=num;
 344         *argv=arg->data;
 345         return(1);
 346         }
 347
 348 #ifndef APP_INIT
 349 int app_init(long mesgwin)
 350         {
 351         return(1);
 352         }
 353 #endif
 354
 355
 356 int dump_cert_text (BIO *out, X509 *x)
 357 {
 358         char buf[256];
 359         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
 360         BIO_puts(out,"subject=");
 361         BIO_puts(out,buf);
 362
 363         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
 364         BIO_puts(out,"\nissuer= ");
 365         BIO_puts(out,buf);
 366         BIO_puts(out,"\n");
 367         return 0;
 368 }
 369
 370 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 371
 372 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 373 {
 374         int same;
 375         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 376         else same = 1;
 377         if(arg1) {
 378                 *pass1 = app_get_pass(err, arg1, same);
 379                 if(!*pass1) return 0;
 380         } else if(pass1) *pass1 = NULL;
 381         if(arg2) {
 382                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 383                 if(!*pass2) return 0;
 384         } else if(pass2) *pass2 = NULL;
 385         return 1;
 386 }
 387
 388 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 389 {
 390         char *tmp, tpass[APP_PASS_LEN];
 391         static BIO *pwdbio = NULL;
 392         int i;
 393         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 394         if(!strncmp(arg, "env:", 4)) {
 395                 tmp = getenv(arg + 4);
 396                 if(!tmp) {
 397                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 398                         return NULL;
 399                 }
 400                 return BUF_strdup(tmp);
 401         }
 402         if(!keepbio || !pwdbio) {
 403                 if(!strncmp(arg, "file:", 5)) {
 404                         pwdbio = BIO_new_file(arg + 5, "r");
 405                         if(!pwdbio) {
 406                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 407                                 return NULL;
 408                         }
 409                 } else if(!strncmp(arg, "fd:", 3)) {
 410                         BIO *btmp;
 411                         i = atoi(arg + 3);
 412                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 413                         if((i < 0) || !pwdbio) {
 414                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 415                                 return NULL;
 416                         }
 417                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 418                         btmp = BIO_new(BIO_f_buffer());
 419                         pwdbio = BIO_push(btmp, pwdbio);
 420                 } else if(!strcmp(arg, "stdin")) {
 421                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 422                         if(!pwdbio) {
 423                                 BIO_printf(err, "Can't open BIO for stdin\n");
 424                                 return NULL;
 425                         }
 426                 } else {
 427                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 428                         return NULL;
 429                 }
 430         }
 431         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 432         if(keepbio != 1) {
 433                 BIO_free_all(pwdbio);
 434                 pwdbio = NULL;
 435         }
 436         if(i <= 0) {
 437                 BIO_printf(err, "Error reading password from BIO\n");
 438                 return NULL;
 439         }
 440         tmp = strchr(tpass, '\n');
 441         if(tmp) *tmp = 0;
 442         return BUF_strdup(tpass);
 443 }
 444
 445 int add_oid_section(BIO *err, LHASH *conf)
 446 {
 447         char *p;
 448         STACK_OF(CONF_VALUE) *sktmp;
 449         CONF_VALUE *cnf;
 450         int i;
 451         if(!(p=CONF_get_string(conf,NULL,"oid_section")))
 452                 {
 453                 ERR_clear_error();
 454                 return 1;
 455                 }
 456         if(!(sktmp = CONF_get_section(conf, p))) {
 457                 BIO_printf(err, "problem loading oid section %s\n", p);
 458                 return 0;
 459         }
 460         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 461                 cnf = sk_CONF_VALUE_value(sktmp, i);
 462                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 463                         BIO_printf(err, "problem creating object %s=%s\n",
 464                                                          cnf->name, cnf->value);
 465                         return 0;
 466                 }
 467         }
 468         return 1;
 469 }
 470
 471 X509 *load_cert(BIO *err, char *file, int format)
 472         {
 473         ASN1_HEADER *ah=NULL;
 474         BUF_MEM *buf=NULL;
 475         X509 *x=NULL;
 476         BIO *cert;
 477
 478         if ((cert=BIO_new(BIO_s_file())) == NULL)
 479                 {
 480                 ERR_print_errors(err);
 481                 goto end;
 482                 }
 483
 484         if (file == NULL)
 485                 {
 486                 setvbuf(stdin, NULL, _IONBF, 0);
 487                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 488                 }
 489         else
 490                 {
 491                 if (BIO_read_filename(cert,file) <= 0)
 492                         {
 493                         perror(file);
 494                         goto end;
 495                         }
 496                 }
 497
 498         if      (format == FORMAT_ASN1)
 499                 x=d2i_X509_bio(cert,NULL);
 500         else if (format == FORMAT_NETSCAPE)
 501                 {
 502                 unsigned char *p,*op;
 503                 int size=0,i;
 504
 505                 /* We sort of have to do it this way because it is sort of nice
 506                  * to read the header first and check it, then
 507                  * try to read the certificate */
 508                 buf=BUF_MEM_new();
 509                 for (;;)
 510                         {
 511                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 512                                 goto end;
 513                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 514                         size+=i;
 515                         if (i == 0) break;
 516                         if (i < 0)
 517                                 {
 518                                 perror("reading certificate");
 519                                 goto end;
 520                                 }
 521                         }
 522                 p=(unsigned char *)buf->data;
 523                 op=p;
 524
 525                 /* First load the header */
 526                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 527                         goto end;
 528                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 529                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 530                         ah->header->length) != 0))
 531                         {
 532                         BIO_printf(err,"Error reading header on certificate\n");
 533                         goto end;
 534                         }
 535                 /* header is ok, so now read the object */
 536                 p=op;
 537                 ah->meth=X509_asn1_meth();
 538                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 539                         goto end;
 540                 x=(X509 *)ah->data;
 541                 ah->data=NULL;
 542                 }
 543         else if (format == FORMAT_PEM)
 544                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
 545         else if (format == FORMAT_PKCS12)
 546                 {
 547                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 548
 549                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 550                 PKCS12_free(p12);
 551                 p12 = NULL;
 552                 }
 553         else    {
 554                 BIO_printf(err,"bad input format specified for input cert\n");
 555                 goto end;
 556                 }
 557 end:
 558         if (x == NULL)
 559                 {
 560                 BIO_printf(err,"unable to load certificate\n");
 561                 ERR_print_errors(err);
 562                 }
 563         if (ah != NULL) ASN1_HEADER_free(ah);
 564         if (cert != NULL) BIO_free(cert);
 565         if (buf != NULL) BUF_MEM_free(buf);
 566         return(x);
 567         }
 568
 569 EVP_PKEY *load_key(BIO *err, char *file, int format, char *pass, ENGINE *e)
 570         {
 571         BIO *key=NULL;
 572         EVP_PKEY *pkey=NULL;
 573
 574         if (file == NULL)
 575                 {
 576                 BIO_printf(err,"no keyfile specified\n");
 577                 goto end;
 578                 }
 579         if (format == FORMAT_ENGINE)
 580                 {
 581                 if (!e)
 582                         BIO_printf(bio_err,"no engine specified\n");
 583                 else
 584                         pkey = ENGINE_load_private_key(e, file, pass);
 585                 goto end;
 586                 }
 587         key=BIO_new(BIO_s_file());
 588         if (key == NULL)
 589                 {
 590                 ERR_print_errors(err);
 591                 goto end;
 592                 }
 593         if (BIO_read_filename(key,file) <= 0)
 594                 {
 595                 perror(file);
 596                 goto end;
 597                 }
 598         if (format == FORMAT_ASN1)
 599                 {
 600                 pkey=d2i_PrivateKey_bio(key, NULL);
 601                 }
 602         else if (format == FORMAT_PEM)
 603                 {
 604                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,pass);
 605                 }
 606         else if (format == FORMAT_PKCS12)
 607                 {
 608                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 609
 610                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 611                 PKCS12_free(p12);
 612                 p12 = NULL;
 613                 }
 614         else
 615                 {
 616                 BIO_printf(err,"bad input format specified for key\n");
 617                 goto end;
 618                 }
 619  end:
 620         if (key != NULL) BIO_free(key);
 621         if (pkey == NULL)
 622                 BIO_printf(err,"unable to load Private Key\n");
 623         return(pkey);
 624         }
 625
 626 EVP_PKEY *load_pubkey(BIO *err, char *file, int format, ENGINE *e)
 627         {
 628         BIO *key=NULL;
 629         EVP_PKEY *pkey=NULL;
 630
 631         if (file == NULL)
 632                 {
 633                 BIO_printf(err,"no keyfile specified\n");
 634                 goto end;
 635                 }
 636         if (format == FORMAT_ENGINE)
 637                 {
 638                 if (!e)
 639                         BIO_printf(bio_err,"no engine specified\n");
 640                 else
 641                         pkey = ENGINE_load_public_key(e, file, NULL);
 642                 goto end;
 643                 }
 644         key=BIO_new(BIO_s_file());
 645         if (key == NULL)
 646                 {
 647                 ERR_print_errors(err);
 648                 goto end;
 649                 }
 650         if (BIO_read_filename(key,file) <= 0)
 651                 {
 652                 perror(file);
 653                 goto end;
 654                 }
 655         if (format == FORMAT_ASN1)
 656                 {
 657                 pkey=d2i_PUBKEY_bio(key, NULL);
 658                 }
 659         else if (format == FORMAT_PEM)
 660                 {
 661                 pkey=PEM_read_bio_PUBKEY(key,NULL,NULL,NULL);
 662                 }
 663         else
 664                 {
 665                 BIO_printf(err,"bad input format specified for key\n");
 666                 goto end;
 667                 }
 668  end:
 669         if (key != NULL) BIO_free(key);
 670         if (pkey == NULL)
 671                 BIO_printf(err,"unable to load Public Key\n");
 672         return(pkey);
 673         }
 674
 675 STACK_OF(X509) *load_certs(BIO *err, char *file, int format)
 676         {
 677         BIO *certs;
 678         int i;
 679         STACK_OF(X509) *othercerts = NULL;
 680         STACK_OF(X509_INFO) *allcerts = NULL;
 681         X509_INFO *xi;
 682
 683         if((certs = BIO_new(BIO_s_file())) == NULL)
 684                 {
 685                 ERR_print_errors(err);
 686                 goto end;
 687                 }
 688
 689         if (file == NULL)
 690                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
 691         else
 692                 {
 693                 if (BIO_read_filename(certs,file) <= 0)
 694                         {
 695                         perror(file);
 696                         goto end;
 697                         }
 698                 }
 699
 700         if      (format == FORMAT_PEM)
 701                 {
 702                 othercerts = sk_X509_new_null();
 703                 if(!othercerts)
 704                         {
 705                         sk_X509_free(othercerts);
 706                         othercerts = NULL;
 707                         goto end;
 708                         }
 709                 allcerts = PEM_X509_INFO_read_bio(certs, NULL, NULL, NULL);
 710                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
 711                         {
 712                         xi = sk_X509_INFO_value (allcerts, i);
 713                         if (xi->x509)
 714                                 {
 715                                 sk_X509_push(othercerts, xi->x509);
 716                                 xi->x509 = NULL;
 717                                 }
 718                         }
 719                 goto end;
 720                 }
 721         else    {
 722                 BIO_printf(err,"bad input format specified for input cert\n");
 723                 goto end;
 724                 }
 725 end:
 726         if (othercerts == NULL)
 727                 {
 728                 BIO_printf(err,"unable to load certificates\n");
 729                 ERR_print_errors(err);
 730                 }
 731         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
 732         if (certs != NULL) BIO_free(certs);
 733         return(othercerts);
 734         }
 735
 736
 737 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
 738 /* Return error for unknown extensions */
 739 #define X509V3_EXT_DEFAULT              0
 740 /* Print error for unknown extensions */
 741 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
 742 /* ASN1 parse unknown extensions */
 743 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
 744 /* BIO_dump unknown extensions */
 745 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
 746
 747 int set_cert_ex(unsigned long *flags, const char *arg)
 748 {
 749         static const NAME_EX_TBL cert_tbl[] = {
 750                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
 751                 { "no_header", X509_FLAG_NO_HEADER, 0},
 752                 { "no_version", X509_FLAG_NO_VERSION, 0},
 753                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
 754                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
 755                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
 756                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
 757                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
 758                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
 759                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
 760                 { "no_aux", X509_FLAG_NO_AUX, 0},
 761                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
 762                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
 763                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
 764                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
 765                 { NULL, 0, 0}
 766         };
 767         return set_table_opts(flags, arg, cert_tbl);
 768 }
 769
 770 int set_name_ex(unsigned long *flags, const char *arg)
 771 {
 772         static const NAME_EX_TBL ex_tbl[] = {
 773                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
 774                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
 775                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
 776                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
 777                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
 778                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
 779                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
 780                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
 781                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
 782                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
 783                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
 784                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
 785                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
 786                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
 787                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
 788                 { "dn_rev", XN_FLAG_DN_REV, 0},
 789                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
 790                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
 791                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
 792                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
 793                 { "space_eq", XN_FLAG_SPC_EQ, 0},
 794                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
 795                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
 796                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
 797                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
 798                 { NULL, 0, 0}
 799         };
 800         return set_table_opts(flags, arg, ex_tbl);
 801 }
 802
 803 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
 804 {
 805         char c;
 806         const NAME_EX_TBL *ptbl;
 807         c = arg[0];
 808
 809         if(c == '-') {
 810                 c = 0;
 811                 arg++;
 812         } else if (c == '+') {
 813                 c = 1;
 814                 arg++;
 815         } else c = 1;
 816
 817         for(ptbl = in_tbl; ptbl->name; ptbl++) {
 818                 if(!strcasecmp(arg, ptbl->name)) {
 819                         *flags &= ~ptbl->mask;
 820                         if(c) *flags |= ptbl->flag;
 821                         else *flags &= ~ptbl->flag;
 822                         return 1;
 823                 }
 824         }
 825         return 0;
 826 }
 827
 828 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
 829 {
 830         char buf[256];
 831         char mline = 0;
 832         int indent = 0;
 833         if(title) BIO_puts(out, title);
 834         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
 835                 mline = 1;
 836                 indent = 4;
 837         }
 838         if(lflags == XN_FLAG_COMPAT) {
 839                 X509_NAME_oneline(nm,buf,256);
 840                 BIO_puts(out,buf);
 841                 BIO_puts(out, "\n");
 842         } else {
 843                 if(mline) BIO_puts(out, "\n");
 844                 X509_NAME_print_ex(out, nm, indent, lflags);
 845                 BIO_puts(out, "\n");
 846         }
 847 }
 848
 849 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
 850 {
 851         X509_STORE *store;
 852         X509_LOOKUP *lookup;
 853         if(!(store = X509_STORE_new())) goto end;
 854         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
 855         if (lookup == NULL) goto end;
 856         if (CAfile) {
 857                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
 858                         BIO_printf(bp, "Error loading file %s\n", CAfile);
 859                         goto end;
 860                 }
 861         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
 862
 863         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
 864         if (lookup == NULL) goto end;
 865         if (CApath) {
 866                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
 867                         BIO_printf(bp, "Error loading directory %s\n", CApath);
 868                         goto end;
 869                 }
 870         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
 871
 872         ERR_clear_error();
 873         return store;
 874         end:
 875         X509_STORE_free(store);
 876         return NULL;
 877 }