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/x509v3.h>
  70 #include <openssl/pem.h>
  71 #include <openssl/pkcs12.h>
  72 #include <openssl/safestack.h>
  73
  74 #ifdef OPENSSL_SYS_WINDOWS
  75 #define strcasecmp _stricmp
  76 #else
  77 #include <strings.h>
  78 #endif
  79
  80 #ifdef OPENSSL_SYS_WINDOWS
  81 #  include "bss_file.c"
  82 #endif
  83
  84 typedef struct {
  85         char *name;
  86         unsigned long flag;
  87         unsigned long mask;
  88 } NAME_EX_TBL;
  89
  90 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
  91 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
  92
  93 int app_init(long mesgwin);
  94 #ifdef undef /* never finished - probably never will be :-) */
  95 int args_from_file(char *file, int *argc, char **argv[])
  96         {
  97         FILE *fp;
  98         int num,i;
  99         unsigned int len;
 100         static char *buf=NULL;
 101         static char **arg=NULL;
 102         char *p;
 103         struct stat stbuf;
 104
 105         if (stat(file,&stbuf) < 0) return(0);
 106
 107         fp=fopen(file,"r");
 108         if (fp == NULL)
 109                 return(0);
 110
 111         *argc=0;
 112         *argv=NULL;
 113
 114         len=(unsigned int)stbuf.st_size;
 115         if (buf != NULL) OPENSSL_free(buf);
 116         buf=(char *)OPENSSL_malloc(len+1);
 117         if (buf == NULL) return(0);
 118
 119         len=fread(buf,1,len,fp);
 120         if (len <= 1) return(0);
 121         buf[len]='\0';
 122
 123         i=0;
 124         for (p=buf; *p; p++)
 125                 if (*p == '\n') i++;
 126         if (arg != NULL) OPENSSL_free(arg);
 127         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 128
 129         *argv=arg;
 130         num=0;
 131         p=buf;
 132         for (;;)
 133                 {
 134                 if (!*p) break;
 135                 if (*p == '#') /* comment line */
 136                         {
 137                         while (*p && (*p != '\n')) p++;
 138                         continue;
 139                         }
 140                 /* else we have a line */
 141                 *(arg++)=p;
 142                 num++;
 143                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 144                         p++;
 145                 if (!*p) break;
 146                 if (*p == '\n')
 147                         {
 148                         *(p++)='\0';
 149                         continue;
 150                         }
 151                 /* else it is a tab or space */
 152                 p++;
 153                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 154                         p++;
 155                 if (!*p) break;
 156                 if (*p == '\n')
 157                         {
 158                         p++;
 159                         continue;
 160                         }
 161                 *(arg++)=p++;
 162                 num++;
 163                 while (*p && (*p != '\n')) p++;
 164                 if (!*p) break;
 165                 /* else *p == '\n' */
 166                 *(p++)='\0';
 167                 }
 168         *argc=num;
 169         return(1);
 170         }
 171 #endif
 172
 173 int str2fmt(char *s)
 174         {
 175         if      ((*s == 'D') || (*s == 'd'))
 176                 return(FORMAT_ASN1);
 177         else if ((*s == 'T') || (*s == 't'))
 178                 return(FORMAT_TEXT);
 179         else if ((*s == 'P') || (*s == 'p'))
 180                 return(FORMAT_PEM);
 181         else if ((*s == 'N') || (*s == 'n'))
 182                 return(FORMAT_NETSCAPE);
 183         else if ((*s == 'S') || (*s == 's'))
 184                 return(FORMAT_SMIME);
 185         else if ((*s == '1')
 186                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 187                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 188                 return(FORMAT_PKCS12);
 189         else if ((*s == 'E') || (*s == 'e'))
 190                 return(FORMAT_ENGINE);
 191         else
 192                 return(FORMAT_UNDEF);
 193         }
 194
 195 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 196 void program_name(char *in, char *out, int size)
 197         {
 198         int i,n;
 199         char *p=NULL;
 200
 201         n=strlen(in);
 202         /* find the last '/', '\' or ':' */
 203         for (i=n-1; i>0; i--)
 204                 {
 205                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 206                         {
 207                         p= &(in[i+1]);
 208                         break;
 209                         }
 210                 }
 211         if (p == NULL)
 212                 p=in;
 213         n=strlen(p);
 214         /* strip off trailing .exe if present. */
 215         if ((n > 4) && (p[n-4] == '.') &&
 216                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 217                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 218                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 219                 n-=4;
 220         if (n > size-1)
 221                 n=size-1;
 222
 223         for (i=0; i<n; i++)
 224                 {
 225                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 226                         out[i]=p[i]-'A'+'a';
 227                 else
 228                         out[i]=p[i];
 229                 }
 230         out[n]='\0';
 231         }
 232 #else
 233 #ifdef OPENSSL_SYS_VMS
 234 void program_name(char *in, char *out, int size)
 235         {
 236         char *p=in, *q;
 237         char *chars=":]>";
 238
 239         while(*chars != '\0')
 240                 {
 241                 q=strrchr(p,*chars);
 242                 if (q > p)
 243                         p = q + 1;
 244                 chars++;
 245                 }
 246
 247         q=strrchr(p,'.');
 248         if (q == NULL)
 249                 q = in+size;
 250         strncpy(out,p,q-p);
 251         out[q-p]='\0';
 252         }
 253 #else
 254 void program_name(char *in, char *out, int size)
 255         {
 256         char *p;
 257
 258         p=strrchr(in,'/');
 259         if (p != NULL)
 260                 p++;
 261         else
 262                 p=in;
 263         strncpy(out,p,size-1);
 264         out[size-1]='\0';
 265         }
 266 #endif
 267 #endif
 268
 269 #ifdef OPENSSL_SYS_WIN32
 270 int WIN32_rename(char *from, char *to)
 271         {
 272 #ifdef OPENSSL_SYS_WINNT
 273         int ret;
 274 /* Note: MoveFileEx() doesn't work under Win95, Win98 */
 275
 276         ret=MoveFileEx(from,to,MOVEFILE_REPLACE_EXISTING|MOVEFILE_COPY_ALLOWED);
 277         return(ret?0:-1);
 278 #else
 279         unlink(to);
 280         return MoveFile(from, to);
 281 #endif
 282         }
 283 #endif
 284
 285 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 286         {
 287         int num,len,i;
 288         char *p;
 289
 290         *argc=0;
 291         *argv=NULL;
 292
 293         len=strlen(buf);
 294         i=0;
 295         if (arg->count == 0)
 296                 {
 297                 arg->count=20;
 298                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 299                 }
 300         for (i=0; i<arg->count; i++)
 301                 arg->data[i]=NULL;
 302
 303         num=0;
 304         p=buf;
 305         for (;;)
 306                 {
 307                 /* first scan over white space */
 308                 if (!*p) break;
 309                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 310                         p++;
 311                 if (!*p) break;
 312
 313                 /* The start of something good :-) */
 314                 if (num >= arg->count)
 315                         {
 316                         arg->count+=20;
 317                         arg->data=(char **)OPENSSL_realloc(arg->data,
 318                                 sizeof(char *)*arg->count);
 319                         if (argc == 0) return(0);
 320                         }
 321                 arg->data[num++]=p;
 322
 323                 /* now look for the end of this */
 324                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 325                         {
 326                         i= *(p++);
 327                         arg->data[num-1]++; /* jump over quote */
 328                         while (*p && (*p != i))
 329                                 p++;
 330                         *p='\0';
 331                         }
 332                 else
 333                         {
 334                         while (*p && ((*p != ' ') &&
 335                                 (*p != '\t') && (*p != '\n')))
 336                                 p++;
 337
 338                         if (*p == '\0')
 339                                 p--;
 340                         else
 341                                 *p='\0';
 342                         }
 343                 p++;
 344                 }
 345         *argc=num;
 346         *argv=arg->data;
 347         return(1);
 348         }
 349
 350 #ifndef APP_INIT
 351 int app_init(long mesgwin)
 352         {
 353         return(1);
 354         }
 355 #endif
 356
 357
 358 int dump_cert_text (BIO *out, X509 *x)
 359 {
 360         char buf[256];
 361         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
 362         BIO_puts(out,"subject=");
 363         BIO_puts(out,buf);
 364
 365         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
 366         BIO_puts(out,"\nissuer= ");
 367         BIO_puts(out,buf);
 368         BIO_puts(out,"\n");
 369         return 0;
 370 }
 371
 372 int password_callback(char *buf, int bufsiz, int verify,
 373         PW_CB_DATA *cb_data)
 374         {
 375         int i,j;
 376         char prompt[80];
 377         const char *prompt_info = NULL;
 378         const char *password = NULL;
 379
 380         if (cb_data)
 381                 {
 382                 if (cb_data->password)
 383                         password = cb_data->password;
 384                 if (cb_data->prompt_info)
 385                         prompt_info = cb_data->prompt_info;
 386                 }
 387
 388         if(password) {
 389                 i=strlen(password);
 390                 i=(i > bufsiz)?bufsiz:i;
 391                 memcpy(buf,password,i);
 392                 return(i);
 393         }
 394
 395         if (EVP_get_pw_prompt())
 396                 BIO_snprintf(prompt, sizeof(prompt)-1, EVP_get_pw_prompt(),
 397                         prompt_info ? prompt_info : "");
 398         else
 399                 BIO_snprintf(prompt, sizeof(prompt)-1,
 400                         "Enter pass phrase for %s:",
 401                         prompt_info ? prompt_info : "");
 402
 403         for (;;)
 404                 {
 405                 i=EVP_read_pw_string(buf,bufsiz,prompt,verify);
 406                 if (i != 0)
 407                         {
 408                         BIO_printf(bio_err,"aborted!\n");
 409                         memset(buf,0,(unsigned int)bufsiz);
 410                         return(-1);
 411                         }
 412                 j=strlen(buf);
 413                 if (j < PW_MIN_LENGTH)
 414                         {
 415                         BIO_printf(bio_err,"phrase is too short, needs to be at least %d chars\n",PW_MIN_LENGTH);
 416                         }
 417                 else
 418                         break;
 419                 }
 420         return(j);
 421         }
 422
 423 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 424
 425 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 426 {
 427         int same;
 428         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 429         else same = 1;
 430         if(arg1) {
 431                 *pass1 = app_get_pass(err, arg1, same);
 432                 if(!*pass1) return 0;
 433         } else if(pass1) *pass1 = NULL;
 434         if(arg2) {
 435                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 436                 if(!*pass2) return 0;
 437         } else if(pass2) *pass2 = NULL;
 438         return 1;
 439 }
 440
 441 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 442 {
 443         char *tmp, tpass[APP_PASS_LEN];
 444         static BIO *pwdbio = NULL;
 445         int i;
 446         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 447         if(!strncmp(arg, "env:", 4)) {
 448                 tmp = getenv(arg + 4);
 449                 if(!tmp) {
 450                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 451                         return NULL;
 452                 }
 453                 return BUF_strdup(tmp);
 454         }
 455         if(!keepbio || !pwdbio) {
 456                 if(!strncmp(arg, "file:", 5)) {
 457                         pwdbio = BIO_new_file(arg + 5, "r");
 458                         if(!pwdbio) {
 459                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 460                                 return NULL;
 461                         }
 462                 } else if(!strncmp(arg, "fd:", 3)) {
 463                         BIO *btmp;
 464                         i = atoi(arg + 3);
 465                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 466                         if((i < 0) || !pwdbio) {
 467                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 468                                 return NULL;
 469                         }
 470                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 471                         btmp = BIO_new(BIO_f_buffer());
 472                         pwdbio = BIO_push(btmp, pwdbio);
 473                 } else if(!strcmp(arg, "stdin")) {
 474                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 475                         if(!pwdbio) {
 476                                 BIO_printf(err, "Can't open BIO for stdin\n");
 477                                 return NULL;
 478                         }
 479                 } else {
 480                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 481                         return NULL;
 482                 }
 483         }
 484         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 485         if(keepbio != 1) {
 486                 BIO_free_all(pwdbio);
 487                 pwdbio = NULL;
 488         }
 489         if(i <= 0) {
 490                 BIO_printf(err, "Error reading password from BIO\n");
 491                 return NULL;
 492         }
 493         tmp = strchr(tpass, '\n');
 494         if(tmp) *tmp = 0;
 495         return BUF_strdup(tpass);
 496 }
 497
 498 int add_oid_section(BIO *err, LHASH *conf)
 499 {
 500         char *p;
 501         STACK_OF(CONF_VALUE) *sktmp;
 502         CONF_VALUE *cnf;
 503         int i;
 504         if(!(p=CONF_get_string(conf,NULL,"oid_section")))
 505                 {
 506                 ERR_clear_error();
 507                 return 1;
 508                 }
 509         if(!(sktmp = CONF_get_section(conf, p))) {
 510                 BIO_printf(err, "problem loading oid section %s\n", p);
 511                 return 0;
 512         }
 513         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 514                 cnf = sk_CONF_VALUE_value(sktmp, i);
 515                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 516                         BIO_printf(err, "problem creating object %s=%s\n",
 517                                                          cnf->name, cnf->value);
 518                         return 0;
 519                 }
 520         }
 521         return 1;
 522 }
 523
 524 X509 *load_cert(BIO *err, const char *file, int format,
 525         const char *pass, ENGINE *e, const char *cert_descrip)
 526         {
 527         ASN1_HEADER *ah=NULL;
 528         BUF_MEM *buf=NULL;
 529         X509 *x=NULL;
 530         BIO *cert;
 531
 532         if ((cert=BIO_new(BIO_s_file())) == NULL)
 533                 {
 534                 ERR_print_errors(err);
 535                 goto end;
 536                 }
 537
 538         if (file == NULL)
 539                 {
 540                 setvbuf(stdin, NULL, _IONBF, 0);
 541                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 542                 }
 543         else
 544                 {
 545                 if (BIO_read_filename(cert,file) <= 0)
 546                         {
 547                         BIO_printf(err, "Error opening %s %s\n",
 548                                 cert_descrip, file);
 549                         ERR_print_errors(err);
 550                         goto end;
 551                         }
 552                 }
 553
 554         if      (format == FORMAT_ASN1)
 555                 x=d2i_X509_bio(cert,NULL);
 556         else if (format == FORMAT_NETSCAPE)
 557                 {
 558                 unsigned char *p,*op;
 559                 int size=0,i;
 560
 561                 /* We sort of have to do it this way because it is sort of nice
 562                  * to read the header first and check it, then
 563                  * try to read the certificate */
 564                 buf=BUF_MEM_new();
 565                 for (;;)
 566                         {
 567                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 568                                 goto end;
 569                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 570                         size+=i;
 571                         if (i == 0) break;
 572                         if (i < 0)
 573                                 {
 574                                 perror("reading certificate");
 575                                 goto end;
 576                                 }
 577                         }
 578                 p=(unsigned char *)buf->data;
 579                 op=p;
 580
 581                 /* First load the header */
 582                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 583                         goto end;
 584                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 585                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 586                         ah->header->length) != 0))
 587                         {
 588                         BIO_printf(err,"Error reading header on certificate\n");
 589                         goto end;
 590                         }
 591                 /* header is ok, so now read the object */
 592                 p=op;
 593                 ah->meth=X509_asn1_meth();
 594                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 595                         goto end;
 596                 x=(X509 *)ah->data;
 597                 ah->data=NULL;
 598                 }
 599         else if (format == FORMAT_PEM)
 600                 x=PEM_read_bio_X509_AUX(cert,NULL,
 601                         (pem_password_cb *)password_callback, NULL);
 602         else if (format == FORMAT_PKCS12)
 603                 {
 604                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 605
 606                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 607                 PKCS12_free(p12);
 608                 p12 = NULL;
 609                 }
 610         else    {
 611                 BIO_printf(err,"bad input format specified for %s\n",
 612                         cert_descrip);
 613                 goto end;
 614                 }
 615 end:
 616         if (x == NULL)
 617                 {
 618                 BIO_printf(err,"unable to load certificate\n");
 619                 ERR_print_errors(err);
 620                 }
 621         if (ah != NULL) ASN1_HEADER_free(ah);
 622         if (cert != NULL) BIO_free(cert);
 623         if (buf != NULL) BUF_MEM_free(buf);
 624         return(x);
 625         }
 626
 627 EVP_PKEY *load_key(BIO *err, const char *file, int format,
 628         const char *pass, ENGINE *e, const char *key_descrip)
 629         {
 630         BIO *key=NULL;
 631         EVP_PKEY *pkey=NULL;
 632         PW_CB_DATA cb_data;
 633
 634         cb_data.password = pass;
 635         cb_data.prompt_info = file;
 636
 637         if (file == NULL)
 638                 {
 639                 BIO_printf(err,"no keyfile specified\n");
 640                 goto end;
 641                 }
 642         if (format == FORMAT_ENGINE)
 643                 {
 644                 if (!e)
 645                         BIO_printf(bio_err,"no engine specified\n");
 646                 else
 647                         pkey = ENGINE_load_private_key(e, file,
 648                                 (pem_password_cb *)password_callback, &cb_data);
 649                 goto end;
 650                 }
 651         key=BIO_new(BIO_s_file());
 652         if (key == NULL)
 653                 {
 654                 ERR_print_errors(err);
 655                 goto end;
 656                 }
 657         if (BIO_read_filename(key,file) <= 0)
 658                 {
 659                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
 660                 ERR_print_errors(err);
 661                 goto end;
 662                 }
 663         if (format == FORMAT_ASN1)
 664                 {
 665                 pkey=d2i_PrivateKey_bio(key, NULL);
 666                 }
 667         else if (format == FORMAT_PEM)
 668                 {
 669                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 670                         (pem_password_cb *)password_callback, &cb_data);
 671                 }
 672         else if (format == FORMAT_PKCS12)
 673                 {
 674                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 675
 676                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 677                 PKCS12_free(p12);
 678                 p12 = NULL;
 679                 }
 680         else
 681                 {
 682                 BIO_printf(err,"bad input format specified for key file\n");
 683                 goto end;
 684                 }
 685  end:
 686         if (key != NULL) BIO_free(key);
 687         if (pkey == NULL)
 688                 BIO_printf(err,"unable to load %s\n", key_descrip);
 689         return(pkey);
 690         }
 691
 692 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format,
 693         const char *pass, ENGINE *e, const char *key_descrip)
 694         {
 695         BIO *key=NULL;
 696         EVP_PKEY *pkey=NULL;
 697         PW_CB_DATA cb_data;
 698
 699         cb_data.password = pass;
 700         cb_data.prompt_info = file;
 701
 702         if (file == NULL)
 703                 {
 704                 BIO_printf(err,"no keyfile specified\n");
 705                 goto end;
 706                 }
 707         if (format == FORMAT_ENGINE)
 708                 {
 709                 if (!e)
 710                         BIO_printf(bio_err,"no engine specified\n");
 711                 else
 712                         pkey = ENGINE_load_public_key(e, file,
 713                                 (pem_password_cb *)password_callback, &cb_data);
 714                 goto end;
 715                 }
 716         key=BIO_new(BIO_s_file());
 717         if (key == NULL)
 718                 {
 719                 ERR_print_errors(err);
 720                 goto end;
 721                 }
 722         if (BIO_read_filename(key,file) <= 0)
 723                 {
 724                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
 725                 ERR_print_errors(err);
 726                 goto end;
 727                 }
 728         if (format == FORMAT_ASN1)
 729                 {
 730                 pkey=d2i_PUBKEY_bio(key, NULL);
 731                 }
 732         else if (format == FORMAT_PEM)
 733                 {
 734                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 735                         (pem_password_cb *)password_callback, &cb_data);
 736                 }
 737         else
 738                 {
 739                 BIO_printf(err,"bad input format specified for key file\n");
 740                 goto end;
 741                 }
 742  end:
 743         if (key != NULL) BIO_free(key);
 744         if (pkey == NULL)
 745                 BIO_printf(err,"unable to load %s\n", key_descrip);
 746         return(pkey);
 747         }
 748
 749 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
 750         const char *pass, ENGINE *e, const char *cert_descrip)
 751         {
 752         BIO *certs;
 753         int i;
 754         STACK_OF(X509) *othercerts = NULL;
 755         STACK_OF(X509_INFO) *allcerts = NULL;
 756         X509_INFO *xi;
 757         PW_CB_DATA cb_data;
 758
 759         cb_data.password = pass;
 760         cb_data.prompt_info = file;
 761
 762         if((certs = BIO_new(BIO_s_file())) == NULL)
 763                 {
 764                 ERR_print_errors(err);
 765                 goto end;
 766                 }
 767
 768         if (file == NULL)
 769                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
 770         else
 771                 {
 772                 if (BIO_read_filename(certs,file) <= 0)
 773                         {
 774                         BIO_printf(err, "Error opening %s %s\n",
 775                                 cert_descrip, file);
 776                         ERR_print_errors(err);
 777                         goto end;
 778                         }
 779                 }
 780
 781         if      (format == FORMAT_PEM)
 782                 {
 783                 othercerts = sk_X509_new_null();
 784                 if(!othercerts)
 785                         {
 786                         sk_X509_free(othercerts);
 787                         othercerts = NULL;
 788                         goto end;
 789                         }
 790                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
 791                                 (pem_password_cb *)password_callback, &cb_data);
 792                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
 793                         {
 794                         xi = sk_X509_INFO_value (allcerts, i);
 795                         if (xi->x509)
 796                                 {
 797                                 sk_X509_push(othercerts, xi->x509);
 798                                 xi->x509 = NULL;
 799                                 }
 800                         }
 801                 goto end;
 802                 }
 803         else    {
 804                 BIO_printf(err,"bad input format specified for %s\n",
 805                         cert_descrip);
 806                 goto end;
 807                 }
 808 end:
 809         if (othercerts == NULL)
 810                 {
 811                 BIO_printf(err,"unable to load certificates\n");
 812                 ERR_print_errors(err);
 813                 }
 814         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
 815         if (certs != NULL) BIO_free(certs);
 816         return(othercerts);
 817         }
 818
 819
 820 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
 821 /* Return error for unknown extensions */
 822 #define X509V3_EXT_DEFAULT              0
 823 /* Print error for unknown extensions */
 824 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
 825 /* ASN1 parse unknown extensions */
 826 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
 827 /* BIO_dump unknown extensions */
 828 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
 829
 830 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
 831                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
 832
 833 int set_cert_ex(unsigned long *flags, const char *arg)
 834 {
 835         static const NAME_EX_TBL cert_tbl[] = {
 836                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
 837                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
 838                 { "no_header", X509_FLAG_NO_HEADER, 0},
 839                 { "no_version", X509_FLAG_NO_VERSION, 0},
 840                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
 841                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
 842                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
 843                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
 844                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
 845                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
 846                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
 847                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
 848                 { "no_aux", X509_FLAG_NO_AUX, 0},
 849                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
 850                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
 851                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
 852                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
 853                 { NULL, 0, 0}
 854         };
 855         return set_multi_opts(flags, arg, cert_tbl);
 856 }
 857
 858 int set_name_ex(unsigned long *flags, const char *arg)
 859 {
 860         static const NAME_EX_TBL ex_tbl[] = {
 861                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
 862                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
 863                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
 864                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
 865                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
 866                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
 867                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
 868                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
 869                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
 870                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
 871                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
 872                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
 873                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
 874                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
 875                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
 876                 { "dn_rev", XN_FLAG_DN_REV, 0},
 877                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
 878                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
 879                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
 880                 { "align", XN_FLAG_FN_ALIGN, 0},
 881                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
 882                 { "space_eq", XN_FLAG_SPC_EQ, 0},
 883                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
 884                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
 885                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
 886                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
 887                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
 888                 { NULL, 0, 0}
 889         };
 890         return set_multi_opts(flags, arg, ex_tbl);
 891 }
 892
 893 int set_ext_copy(int *copy_type, const char *arg)
 894 {
 895         if (!strcasecmp(arg, "none"))
 896                 *copy_type = EXT_COPY_NONE;
 897         else if (!strcasecmp(arg, "copy"))
 898                 *copy_type = EXT_COPY_ADD;
 899         else if (!strcasecmp(arg, "copyall"))
 900                 *copy_type = EXT_COPY_ALL;
 901         else
 902                 return 0;
 903         return 1;
 904 }
 905
 906 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
 907 {
 908         STACK_OF(X509_EXTENSION) *exts = NULL;
 909         X509_EXTENSION *ext, *tmpext;
 910         ASN1_OBJECT *obj;
 911         int i, idx, ret = 0;
 912         if (!x || !req || (copy_type == EXT_COPY_NONE))
 913                 return 1;
 914         exts = X509_REQ_get_extensions(req);
 915
 916         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
 917                 ext = sk_X509_EXTENSION_value(exts, i);
 918                 obj = X509_EXTENSION_get_object(ext);
 919                 idx = X509_get_ext_by_OBJ(x, obj, -1);
 920                 /* Does extension exist? */
 921                 if (idx != -1) {
 922                         /* If normal copy don't override existing extension */
 923                         if (copy_type == EXT_COPY_ADD)
 924                                 continue;
 925                         /* Delete all extensions of same type */
 926                         do {
 927                                 tmpext = X509_get_ext(x, idx);
 928                                 X509_delete_ext(x, idx);
 929                                 X509_EXTENSION_free(tmpext);
 930                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
 931                         } while (idx != -1);
 932                 }
 933                 if (!X509_add_ext(x, ext, -1))
 934                         goto end;
 935         }
 936
 937         ret = 1;
 938
 939         end:
 940
 941         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
 942
 943         return ret;
 944 }
 945
 946
 947
 948
 949 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
 950 {
 951         STACK_OF(CONF_VALUE) *vals;
 952         CONF_VALUE *val;
 953         int i, ret = 1;
 954         if(!arg) return 0;
 955         vals = X509V3_parse_list(arg);
 956         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
 957                 val = sk_CONF_VALUE_value(vals, i);
 958                 if (!set_table_opts(flags, val->name, in_tbl))
 959                         ret = 0;
 960         }
 961         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
 962         return ret;
 963 }
 964
 965 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
 966 {
 967         char c;
 968         const NAME_EX_TBL *ptbl;
 969         c = arg[0];
 970
 971         if(c == '-') {
 972                 c = 0;
 973                 arg++;
 974         } else if (c == '+') {
 975                 c = 1;
 976                 arg++;
 977         } else c = 1;
 978
 979         for(ptbl = in_tbl; ptbl->name; ptbl++) {
 980                 if(!strcasecmp(arg, ptbl->name)) {
 981                         *flags &= ~ptbl->mask;
 982                         if(c) *flags |= ptbl->flag;
 983                         else *flags &= ~ptbl->flag;
 984                         return 1;
 985                 }
 986         }
 987         return 0;
 988 }
 989
 990 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
 991 {
 992         char buf[256];
 993         char mline = 0;
 994         int indent = 0;
 995         if(title) BIO_puts(out, title);
 996         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
 997                 mline = 1;
 998                 indent = 4;
 999         }
1000         if(lflags == XN_FLAG_COMPAT) {
1001                 X509_NAME_oneline(nm,buf,256);
1002                 BIO_puts(out,buf);
1003                 BIO_puts(out, "\n");
1004         } else {
1005                 if(mline) BIO_puts(out, "\n");
1006                 X509_NAME_print_ex(out, nm, indent, lflags);
1007                 BIO_puts(out, "\n");
1008         }
1009 }
1010
1011 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1012 {
1013         X509_STORE *store;
1014         X509_LOOKUP *lookup;
1015         if(!(store = X509_STORE_new())) goto end;
1016         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1017         if (lookup == NULL) goto end;
1018         if (CAfile) {
1019                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1020                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1021                         goto end;
1022                 }
1023         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1024
1025         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1026         if (lookup == NULL) goto end;
1027         if (CApath) {
1028                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1029                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1030                         goto end;
1031                 }
1032         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1033
1034         ERR_clear_error();
1035         return store;
1036         end:
1037         X509_STORE_free(store);
1038         return NULL;
1039 }
1040
1041 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1042         {
1043         ENGINE *e = NULL;
1044
1045         if (engine)
1046                 {
1047                 if((e = ENGINE_by_id(engine)) == NULL)
1048                         {
1049                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1050                         return NULL;
1051                         }
1052                 if (debug)
1053                         {
1054                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1055                                 0, err, 0);
1056                         }
1057                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, UI_OpenSSL(), 0, 1);
1058                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1059                         {
1060                         BIO_printf(err,"can't use that engine\n");
1061                         return NULL;
1062                         }
1063                 BIO_printf(err,"engine \"%s\" set.\n", engine);
1064                 /* Free our "structural" reference. */
1065                 ENGINE_free(e);
1066                 }
1067         return e;
1068         }