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  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #include <stdio.h>
 113 #include <stdlib.h>
 114 #include <string.h>
 115 #include <sys/types.h>
 116 #include <sys/stat.h>
 117 #define NON_MAIN
 118 #include "apps.h"
 119 #undef NON_MAIN
 120 #include <openssl/err.h>
 121 #include <openssl/x509.h>
 122 #include <openssl/x509v3.h>
 123 #include <openssl/pem.h>
 124 #include <openssl/pkcs12.h>
 125 #include <openssl/ui.h>
 126 #include <openssl/safestack.h>
 127 #include <openssl/engine.h>
 128
 129 #ifdef OPENSSL_SYS_WINDOWS
 130 #define strcasecmp _stricmp
 131 #else
 132 #include <strings.h>
 133 #endif
 134
 135 #ifdef OPENSSL_SYS_WINDOWS
 136 #  include "bss_file.c"
 137 #endif
 138
 139 typedef struct {
 140         char *name;
 141         unsigned long flag;
 142         unsigned long mask;
 143 } NAME_EX_TBL;
 144
 145 static UI_METHOD *ui_method = NULL;
 146
 147 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 148 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 149
 150 int app_init(long mesgwin);
 151 #ifdef undef /* never finished - probably never will be :-) */
 152 int args_from_file(char *file, int *argc, char **argv[])
 153         {
 154         FILE *fp;
 155         int num,i;
 156         unsigned int len;
 157         static char *buf=NULL;
 158         static char **arg=NULL;
 159         char *p;
 160         struct stat stbuf;
 161
 162         if (stat(file,&stbuf) < 0) return(0);
 163
 164         fp=fopen(file,"r");
 165         if (fp == NULL)
 166                 return(0);
 167
 168         *argc=0;
 169         *argv=NULL;
 170
 171         len=(unsigned int)stbuf.st_size;
 172         if (buf != NULL) OPENSSL_free(buf);
 173         buf=(char *)OPENSSL_malloc(len+1);
 174         if (buf == NULL) return(0);
 175
 176         len=fread(buf,1,len,fp);
 177         if (len <= 1) return(0);
 178         buf[len]='\0';
 179
 180         i=0;
 181         for (p=buf; *p; p++)
 182                 if (*p == '\n') i++;
 183         if (arg != NULL) OPENSSL_free(arg);
 184         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 185
 186         *argv=arg;
 187         num=0;
 188         p=buf;
 189         for (;;)
 190                 {
 191                 if (!*p) break;
 192                 if (*p == '#') /* comment line */
 193                         {
 194                         while (*p && (*p != '\n')) p++;
 195                         continue;
 196                         }
 197                 /* else we have a line */
 198                 *(arg++)=p;
 199                 num++;
 200                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 201                         p++;
 202                 if (!*p) break;
 203                 if (*p == '\n')
 204                         {
 205                         *(p++)='\0';
 206                         continue;
 207                         }
 208                 /* else it is a tab or space */
 209                 p++;
 210                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 211                         p++;
 212                 if (!*p) break;
 213                 if (*p == '\n')
 214                         {
 215                         p++;
 216                         continue;
 217                         }
 218                 *(arg++)=p++;
 219                 num++;
 220                 while (*p && (*p != '\n')) p++;
 221                 if (!*p) break;
 222                 /* else *p == '\n' */
 223                 *(p++)='\0';
 224                 }
 225         *argc=num;
 226         return(1);
 227         }
 228 #endif
 229
 230 int str2fmt(char *s)
 231         {
 232         if      ((*s == 'D') || (*s == 'd'))
 233                 return(FORMAT_ASN1);
 234         else if ((*s == 'T') || (*s == 't'))
 235                 return(FORMAT_TEXT);
 236         else if ((*s == 'P') || (*s == 'p'))
 237                 return(FORMAT_PEM);
 238         else if ((*s == 'N') || (*s == 'n'))
 239                 return(FORMAT_NETSCAPE);
 240         else if ((*s == 'S') || (*s == 's'))
 241                 return(FORMAT_SMIME);
 242         else if ((*s == '1')
 243                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 244                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 245                 return(FORMAT_PKCS12);
 246         else if ((*s == 'E') || (*s == 'e'))
 247                 return(FORMAT_ENGINE);
 248         else
 249                 return(FORMAT_UNDEF);
 250         }
 251
 252 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 253 void program_name(char *in, char *out, int size)
 254         {
 255         int i,n;
 256         char *p=NULL;
 257
 258         n=strlen(in);
 259         /* find the last '/', '\' or ':' */
 260         for (i=n-1; i>0; i--)
 261                 {
 262                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 263                         {
 264                         p= &(in[i+1]);
 265                         break;
 266                         }
 267                 }
 268         if (p == NULL)
 269                 p=in;
 270         n=strlen(p);
 271         /* strip off trailing .exe if present. */
 272         if ((n > 4) && (p[n-4] == '.') &&
 273                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 274                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 275                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 276                 n-=4;
 277         if (n > size-1)
 278                 n=size-1;
 279
 280         for (i=0; i<n; i++)
 281                 {
 282                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 283                         out[i]=p[i]-'A'+'a';
 284                 else
 285                         out[i]=p[i];
 286                 }
 287         out[n]='\0';
 288         }
 289 #else
 290 #ifdef OPENSSL_SYS_VMS
 291 void program_name(char *in, char *out, int size)
 292         {
 293         char *p=in, *q;
 294         char *chars=":]>";
 295
 296         while(*chars != '\0')
 297                 {
 298                 q=strrchr(p,*chars);
 299                 if (q > p)
 300                         p = q + 1;
 301                 chars++;
 302                 }
 303
 304         q=strrchr(p,'.');
 305         if (q == NULL)
 306                 q = in+size;
 307         strncpy(out,p,q-p);
 308         out[q-p]='\0';
 309         }
 310 #else
 311 void program_name(char *in, char *out, int size)
 312         {
 313         char *p;
 314
 315         p=strrchr(in,'/');
 316         if (p != NULL)
 317                 p++;
 318         else
 319                 p=in;
 320         strncpy(out,p,size-1);
 321         out[size-1]='\0';
 322         }
 323 #endif
 324 #endif
 325
 326 #ifdef OPENSSL_SYS_WIN32
 327 int WIN32_rename(char *from, char *to)
 328         {
 329 #ifdef OPENSSL_SYS_WINNT
 330         int ret;
 331 /* Note: MoveFileEx() doesn't work under Win95, Win98 */
 332
 333         ret=MoveFileEx(from,to,MOVEFILE_REPLACE_EXISTING|MOVEFILE_COPY_ALLOWED);
 334         return(ret?0:-1);
 335 #else
 336         unlink(to);
 337         return MoveFile(from, to);
 338 #endif
 339         }
 340 #endif
 341
 342 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 343         {
 344         int num,len,i;
 345         char *p;
 346
 347         *argc=0;
 348         *argv=NULL;
 349
 350         len=strlen(buf);
 351         i=0;
 352         if (arg->count == 0)
 353                 {
 354                 arg->count=20;
 355                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 356                 }
 357         for (i=0; i<arg->count; i++)
 358                 arg->data[i]=NULL;
 359
 360         num=0;
 361         p=buf;
 362         for (;;)
 363                 {
 364                 /* first scan over white space */
 365                 if (!*p) break;
 366                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 367                         p++;
 368                 if (!*p) break;
 369
 370                 /* The start of something good :-) */
 371                 if (num >= arg->count)
 372                         {
 373                         arg->count+=20;
 374                         arg->data=(char **)OPENSSL_realloc(arg->data,
 375                                 sizeof(char *)*arg->count);
 376                         if (argc == 0) return(0);
 377                         }
 378                 arg->data[num++]=p;
 379
 380                 /* now look for the end of this */
 381                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 382                         {
 383                         i= *(p++);
 384                         arg->data[num-1]++; /* jump over quote */
 385                         while (*p && (*p != i))
 386                                 p++;
 387                         *p='\0';
 388                         }
 389                 else
 390                         {
 391                         while (*p && ((*p != ' ') &&
 392                                 (*p != '\t') && (*p != '\n')))
 393                                 p++;
 394
 395                         if (*p == '\0')
 396                                 p--;
 397                         else
 398                                 *p='\0';
 399                         }
 400                 p++;
 401                 }
 402         *argc=num;
 403         *argv=arg->data;
 404         return(1);
 405         }
 406
 407 #ifndef APP_INIT
 408 int app_init(long mesgwin)
 409         {
 410         return(1);
 411         }
 412 #endif
 413
 414
 415 int dump_cert_text (BIO *out, X509 *x)
 416 {
 417         char buf[256];
 418         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
 419         BIO_puts(out,"subject=");
 420         BIO_puts(out,buf);
 421
 422         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
 423         BIO_puts(out,"\nissuer= ");
 424         BIO_puts(out,buf);
 425         BIO_puts(out,"\n");
 426         return 0;
 427 }
 428
 429 static int ui_open(UI *ui)
 430         {
 431         return UI_method_get_opener(UI_OpenSSL())(ui);
 432         }
 433 static int ui_read(UI *ui, UI_STRING *uis)
 434         {
 435         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 436                 && UI_get0_user_data(ui))
 437                 {
 438                 switch(UI_get_string_type(uis))
 439                         {
 440                 case UIT_PROMPT:
 441                 case UIT_VERIFY:
 442                         {
 443                         const char *password =
 444                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 445                         if (password[0] != '\0')
 446                                 {
 447                                 UI_set_result(ui, uis, password);
 448                                 return 1;
 449                                 }
 450                         }
 451                 default:
 452                         break;
 453                         }
 454                 }
 455         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 456         }
 457 static int ui_write(UI *ui, UI_STRING *uis)
 458         {
 459         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 460                 && UI_get0_user_data(ui))
 461                 {
 462                 switch(UI_get_string_type(uis))
 463                         {
 464                 case UIT_PROMPT:
 465                 case UIT_VERIFY:
 466                         {
 467                         const char *password =
 468                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 469                         if (password[0] != '\0')
 470                                 return 1;
 471                         }
 472                 default:
 473                         break;
 474                         }
 475                 }
 476         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 477         }
 478 static int ui_close(UI *ui)
 479         {
 480         return UI_method_get_closer(UI_OpenSSL())(ui);
 481         }
 482 int setup_ui_method()
 483         {
 484         ui_method = UI_create_method("OpenSSL application user interface");
 485         UI_method_set_opener(ui_method, ui_open);
 486         UI_method_set_reader(ui_method, ui_read);
 487         UI_method_set_writer(ui_method, ui_write);
 488         UI_method_set_closer(ui_method, ui_close);
 489         return 0;
 490         }
 491 void destroy_ui_method()
 492         {
 493         if(ui_method)
 494                 {
 495                 UI_destroy_method(ui_method);
 496                 ui_method = NULL;
 497                 }
 498         }
 499 int password_callback(char *buf, int bufsiz, int verify,
 500         PW_CB_DATA *cb_tmp)
 501         {
 502         UI *ui = NULL;
 503         int res = 0;
 504         const char *prompt_info = NULL;
 505         const char *password = NULL;
 506         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 507
 508         if (cb_data)
 509                 {
 510                 if (cb_data->password)
 511                         password = cb_data->password;
 512                 if (cb_data->prompt_info)
 513                         prompt_info = cb_data->prompt_info;
 514                 }
 515
 516         if (password)
 517                 {
 518                 res = strlen(password);
 519                 if (res > bufsiz)
 520                         res = bufsiz;
 521                 memcpy(buf, password, res);
 522                 return res;
 523                 }
 524
 525         ui = UI_new_method(ui_method);
 526         if (ui)
 527                 {
 528                 int ok = 0;
 529                 char *buff = NULL;
 530                 int ui_flags = 0;
 531                 char *prompt = NULL;
 532
 533                 prompt = UI_construct_prompt(ui, "pass phrase",
 534                         cb_data->prompt_info);
 535
 536                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 537                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 538
 539                 if (ok >= 0)
 540                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 541                                 PW_MIN_LENGTH,BUFSIZ-1);
 542                 if (ok >= 0 && verify)
 543                         {
 544                         buff = (char *)OPENSSL_malloc(bufsiz);
 545                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 546                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 547                         }
 548                 if (ok >= 0)
 549                         do
 550                                 {
 551                                 ok = UI_process(ui);
 552                                 }
 553                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 554
 555                 if (buff)
 556                         {
 557                         memset(buff,0,(unsigned int)bufsiz);
 558                         OPENSSL_free(buff);
 559                         }
 560
 561                 if (ok >= 0)
 562                         res = strlen(buf);
 563                 if (ok == -1)
 564                         {
 565                         BIO_printf(bio_err, "User interface error\n");
 566                         ERR_print_errors(bio_err);
 567                         memset(buf,0,(unsigned int)bufsiz);
 568                         res = 0;
 569                         }
 570                 if (ok == -2)
 571                         {
 572                         BIO_printf(bio_err,"aborted!\n");
 573                         memset(buf,0,(unsigned int)bufsiz);
 574                         res = 0;
 575                         }
 576                 UI_free(ui);
 577                 OPENSSL_free(prompt);
 578                 }
 579         return res;
 580         }
 581
 582 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 583
 584 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 585 {
 586         int same;
 587         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 588         else same = 1;
 589         if(arg1) {
 590                 *pass1 = app_get_pass(err, arg1, same);
 591                 if(!*pass1) return 0;
 592         } else if(pass1) *pass1 = NULL;
 593         if(arg2) {
 594                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 595                 if(!*pass2) return 0;
 596         } else if(pass2) *pass2 = NULL;
 597         return 1;
 598 }
 599
 600 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 601 {
 602         char *tmp, tpass[APP_PASS_LEN];
 603         static BIO *pwdbio = NULL;
 604         int i;
 605         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 606         if(!strncmp(arg, "env:", 4)) {
 607                 tmp = getenv(arg + 4);
 608                 if(!tmp) {
 609                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 610                         return NULL;
 611                 }
 612                 return BUF_strdup(tmp);
 613         }
 614         if(!keepbio || !pwdbio) {
 615                 if(!strncmp(arg, "file:", 5)) {
 616                         pwdbio = BIO_new_file(arg + 5, "r");
 617                         if(!pwdbio) {
 618                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 619                                 return NULL;
 620                         }
 621                 } else if(!strncmp(arg, "fd:", 3)) {
 622                         BIO *btmp;
 623                         i = atoi(arg + 3);
 624                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 625                         if((i < 0) || !pwdbio) {
 626                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 627                                 return NULL;
 628                         }
 629                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 630                         btmp = BIO_new(BIO_f_buffer());
 631                         pwdbio = BIO_push(btmp, pwdbio);
 632                 } else if(!strcmp(arg, "stdin")) {
 633                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 634                         if(!pwdbio) {
 635                                 BIO_printf(err, "Can't open BIO for stdin\n");
 636                                 return NULL;
 637                         }
 638                 } else {
 639                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 640                         return NULL;
 641                 }
 642         }
 643         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 644         if(keepbio != 1) {
 645                 BIO_free_all(pwdbio);
 646                 pwdbio = NULL;
 647         }
 648         if(i <= 0) {
 649                 BIO_printf(err, "Error reading password from BIO\n");
 650                 return NULL;
 651         }
 652         tmp = strchr(tpass, '\n');
 653         if(tmp) *tmp = 0;
 654         return BUF_strdup(tpass);
 655 }
 656
 657 int add_oid_section(BIO *err, CONF *conf)
 658 {
 659         char *p;
 660         STACK_OF(CONF_VALUE) *sktmp;
 661         CONF_VALUE *cnf;
 662         int i;
 663         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 664                 {
 665                 ERR_clear_error();
 666                 return 1;
 667                 }
 668         if(!(sktmp = NCONF_get_section(conf, p))) {
 669                 BIO_printf(err, "problem loading oid section %s\n", p);
 670                 return 0;
 671         }
 672         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 673                 cnf = sk_CONF_VALUE_value(sktmp, i);
 674                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 675                         BIO_printf(err, "problem creating object %s=%s\n",
 676                                                          cnf->name, cnf->value);
 677                         return 0;
 678                 }
 679         }
 680         return 1;
 681 }
 682
 683 X509 *load_cert(BIO *err, const char *file, int format,
 684         const char *pass, ENGINE *e, const char *cert_descrip)
 685         {
 686         ASN1_HEADER *ah=NULL;
 687         BUF_MEM *buf=NULL;
 688         X509 *x=NULL;
 689         BIO *cert;
 690
 691         if ((cert=BIO_new(BIO_s_file())) == NULL)
 692                 {
 693                 ERR_print_errors(err);
 694                 goto end;
 695                 }
 696
 697         if (file == NULL)
 698                 {
 699                 setvbuf(stdin, NULL, _IONBF, 0);
 700                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 701                 }
 702         else
 703                 {
 704                 if (BIO_read_filename(cert,file) <= 0)
 705                         {
 706                         BIO_printf(err, "Error opening %s %s\n",
 707                                 cert_descrip, file);
 708                         ERR_print_errors(err);
 709                         goto end;
 710                         }
 711                 }
 712
 713         if      (format == FORMAT_ASN1)
 714                 x=d2i_X509_bio(cert,NULL);
 715         else if (format == FORMAT_NETSCAPE)
 716                 {
 717                 unsigned char *p,*op;
 718                 int size=0,i;
 719
 720                 /* We sort of have to do it this way because it is sort of nice
 721                  * to read the header first and check it, then
 722                  * try to read the certificate */
 723                 buf=BUF_MEM_new();
 724                 for (;;)
 725                         {
 726                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 727                                 goto end;
 728                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 729                         size+=i;
 730                         if (i == 0) break;
 731                         if (i < 0)
 732                                 {
 733                                 perror("reading certificate");
 734                                 goto end;
 735                                 }
 736                         }
 737                 p=(unsigned char *)buf->data;
 738                 op=p;
 739
 740                 /* First load the header */
 741                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 742                         goto end;
 743                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 744                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 745                         ah->header->length) != 0))
 746                         {
 747                         BIO_printf(err,"Error reading header on certificate\n");
 748                         goto end;
 749                         }
 750                 /* header is ok, so now read the object */
 751                 p=op;
 752                 ah->meth=X509_asn1_meth();
 753                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 754                         goto end;
 755                 x=(X509 *)ah->data;
 756                 ah->data=NULL;
 757                 }
 758         else if (format == FORMAT_PEM)
 759                 x=PEM_read_bio_X509_AUX(cert,NULL,
 760                         (pem_password_cb *)password_callback, NULL);
 761         else if (format == FORMAT_PKCS12)
 762                 {
 763                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 764
 765                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 766                 PKCS12_free(p12);
 767                 p12 = NULL;
 768                 }
 769         else    {
 770                 BIO_printf(err,"bad input format specified for %s\n",
 771                         cert_descrip);
 772                 goto end;
 773                 }
 774 end:
 775         if (x == NULL)
 776                 {
 777                 BIO_printf(err,"unable to load certificate\n");
 778                 ERR_print_errors(err);
 779                 }
 780         if (ah != NULL) ASN1_HEADER_free(ah);
 781         if (cert != NULL) BIO_free(cert);
 782         if (buf != NULL) BUF_MEM_free(buf);
 783         return(x);
 784         }
 785
 786 EVP_PKEY *load_key(BIO *err, const char *file, int format,
 787         const char *pass, ENGINE *e, const char *key_descrip)
 788         {
 789         BIO *key=NULL;
 790         EVP_PKEY *pkey=NULL;
 791         PW_CB_DATA cb_data;
 792
 793         cb_data.password = pass;
 794         cb_data.prompt_info = file;
 795
 796         if (file == NULL)
 797                 {
 798                 BIO_printf(err,"no keyfile specified\n");
 799                 goto end;
 800                 }
 801         if (format == FORMAT_ENGINE)
 802                 {
 803                 if (!e)
 804                         BIO_printf(bio_err,"no engine specified\n");
 805                 else
 806                         pkey = ENGINE_load_private_key(e, file,
 807                                 ui_method, &cb_data);
 808                 goto end;
 809                 }
 810         key=BIO_new(BIO_s_file());
 811         if (key == NULL)
 812                 {
 813                 ERR_print_errors(err);
 814                 goto end;
 815                 }
 816         if (BIO_read_filename(key,file) <= 0)
 817                 {
 818                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
 819                 ERR_print_errors(err);
 820                 goto end;
 821                 }
 822         if (format == FORMAT_ASN1)
 823                 {
 824                 pkey=d2i_PrivateKey_bio(key, NULL);
 825                 }
 826         else if (format == FORMAT_PEM)
 827                 {
 828                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 829                         (pem_password_cb *)password_callback, &cb_data);
 830                 }
 831         else if (format == FORMAT_PKCS12)
 832                 {
 833                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 834
 835                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 836                 PKCS12_free(p12);
 837                 p12 = NULL;
 838                 }
 839         else
 840                 {
 841                 BIO_printf(err,"bad input format specified for key file\n");
 842                 goto end;
 843                 }
 844  end:
 845         if (key != NULL) BIO_free(key);
 846         if (pkey == NULL)
 847                 BIO_printf(err,"unable to load %s\n", key_descrip);
 848         return(pkey);
 849         }
 850
 851 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format,
 852         const char *pass, ENGINE *e, const char *key_descrip)
 853         {
 854         BIO *key=NULL;
 855         EVP_PKEY *pkey=NULL;
 856         PW_CB_DATA cb_data;
 857
 858         cb_data.password = pass;
 859         cb_data.prompt_info = file;
 860
 861         if (file == NULL)
 862                 {
 863                 BIO_printf(err,"no keyfile specified\n");
 864                 goto end;
 865                 }
 866         if (format == FORMAT_ENGINE)
 867                 {
 868                 if (!e)
 869                         BIO_printf(bio_err,"no engine specified\n");
 870                 else
 871                         pkey = ENGINE_load_public_key(e, file,
 872                                 ui_method, &cb_data);
 873                 goto end;
 874                 }
 875         key=BIO_new(BIO_s_file());
 876         if (key == NULL)
 877                 {
 878                 ERR_print_errors(err);
 879                 goto end;
 880                 }
 881         if (BIO_read_filename(key,file) <= 0)
 882                 {
 883                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
 884                 ERR_print_errors(err);
 885                 goto end;
 886                 }
 887         if (format == FORMAT_ASN1)
 888                 {
 889                 pkey=d2i_PUBKEY_bio(key, NULL);
 890                 }
 891         else if (format == FORMAT_PEM)
 892                 {
 893                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 894                         (pem_password_cb *)password_callback, &cb_data);
 895                 }
 896         else
 897                 {
 898                 BIO_printf(err,"bad input format specified for key file\n");
 899                 goto end;
 900                 }
 901  end:
 902         if (key != NULL) BIO_free(key);
 903         if (pkey == NULL)
 904                 BIO_printf(err,"unable to load %s\n", key_descrip);
 905         return(pkey);
 906         }
 907
 908 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
 909         const char *pass, ENGINE *e, const char *cert_descrip)
 910         {
 911         BIO *certs;
 912         int i;
 913         STACK_OF(X509) *othercerts = NULL;
 914         STACK_OF(X509_INFO) *allcerts = NULL;
 915         X509_INFO *xi;
 916         PW_CB_DATA cb_data;
 917
 918         cb_data.password = pass;
 919         cb_data.prompt_info = file;
 920
 921         if((certs = BIO_new(BIO_s_file())) == NULL)
 922                 {
 923                 ERR_print_errors(err);
 924                 goto end;
 925                 }
 926
 927         if (file == NULL)
 928                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
 929         else
 930                 {
 931                 if (BIO_read_filename(certs,file) <= 0)
 932                         {
 933                         BIO_printf(err, "Error opening %s %s\n",
 934                                 cert_descrip, file);
 935                         ERR_print_errors(err);
 936                         goto end;
 937                         }
 938                 }
 939
 940         if      (format == FORMAT_PEM)
 941                 {
 942                 othercerts = sk_X509_new_null();
 943                 if(!othercerts)
 944                         {
 945                         sk_X509_free(othercerts);
 946                         othercerts = NULL;
 947                         goto end;
 948                         }
 949                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
 950                                 (pem_password_cb *)password_callback, &cb_data);
 951                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
 952                         {
 953                         xi = sk_X509_INFO_value (allcerts, i);
 954                         if (xi->x509)
 955                                 {
 956                                 sk_X509_push(othercerts, xi->x509);
 957                                 xi->x509 = NULL;
 958                                 }
 959                         }
 960                 goto end;
 961                 }
 962         else    {
 963                 BIO_printf(err,"bad input format specified for %s\n",
 964                         cert_descrip);
 965                 goto end;
 966                 }
 967 end:
 968         if (othercerts == NULL)
 969                 {
 970                 BIO_printf(err,"unable to load certificates\n");
 971                 ERR_print_errors(err);
 972                 }
 973         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
 974         if (certs != NULL) BIO_free(certs);
 975         return(othercerts);
 976         }
 977
 978
 979 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
 980 /* Return error for unknown extensions */
 981 #define X509V3_EXT_DEFAULT              0
 982 /* Print error for unknown extensions */
 983 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
 984 /* ASN1 parse unknown extensions */
 985 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
 986 /* BIO_dump unknown extensions */
 987 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
 988
 989 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
 990                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
 991
 992 int set_cert_ex(unsigned long *flags, const char *arg)
 993 {
 994         static const NAME_EX_TBL cert_tbl[] = {
 995                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
 996                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
 997                 { "no_header", X509_FLAG_NO_HEADER, 0},
 998                 { "no_version", X509_FLAG_NO_VERSION, 0},
 999                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1000                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1001                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1002                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1003                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1004                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1005                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1006                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1007                 { "no_aux", X509_FLAG_NO_AUX, 0},
1008                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1009                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1010                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1011                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1012                 { NULL, 0, 0}
1013         };
1014         return set_multi_opts(flags, arg, cert_tbl);
1015 }
1016
1017 int set_name_ex(unsigned long *flags, const char *arg)
1018 {
1019         static const NAME_EX_TBL ex_tbl[] = {
1020                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1021                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1022                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1023                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1024                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1025                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1026                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1027                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1028                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1029                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1030                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1031                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1032                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1033                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1034                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1035                 { "dn_rev", XN_FLAG_DN_REV, 0},
1036                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1037                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1038                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1039                 { "align", XN_FLAG_FN_ALIGN, 0},
1040                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1041                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1042                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1043                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1044                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1045                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1046                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1047                 { NULL, 0, 0}
1048         };
1049         return set_multi_opts(flags, arg, ex_tbl);
1050 }
1051
1052 int set_ext_copy(int *copy_type, const char *arg)
1053 {
1054         if (!strcasecmp(arg, "none"))
1055                 *copy_type = EXT_COPY_NONE;
1056         else if (!strcasecmp(arg, "copy"))
1057                 *copy_type = EXT_COPY_ADD;
1058         else if (!strcasecmp(arg, "copyall"))
1059                 *copy_type = EXT_COPY_ALL;
1060         else
1061                 return 0;
1062         return 1;
1063 }
1064
1065 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1066 {
1067         STACK_OF(X509_EXTENSION) *exts = NULL;
1068         X509_EXTENSION *ext, *tmpext;
1069         ASN1_OBJECT *obj;
1070         int i, idx, ret = 0;
1071         if (!x || !req || (copy_type == EXT_COPY_NONE))
1072                 return 1;
1073         exts = X509_REQ_get_extensions(req);
1074
1075         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1076                 ext = sk_X509_EXTENSION_value(exts, i);
1077                 obj = X509_EXTENSION_get_object(ext);
1078                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1079                 /* Does extension exist? */
1080                 if (idx != -1) {
1081                         /* If normal copy don't override existing extension */
1082                         if (copy_type == EXT_COPY_ADD)
1083                                 continue;
1084                         /* Delete all extensions of same type */
1085                         do {
1086                                 tmpext = X509_get_ext(x, idx);
1087                                 X509_delete_ext(x, idx);
1088                                 X509_EXTENSION_free(tmpext);
1089                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1090                         } while (idx != -1);
1091                 }
1092                 if (!X509_add_ext(x, ext, -1))
1093                         goto end;
1094         }
1095
1096         ret = 1;
1097
1098         end:
1099
1100         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1101
1102         return ret;
1103 }
1104
1105
1106
1107
1108 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1109 {
1110         STACK_OF(CONF_VALUE) *vals;
1111         CONF_VALUE *val;
1112         int i, ret = 1;
1113         if(!arg) return 0;
1114         vals = X509V3_parse_list(arg);
1115         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1116                 val = sk_CONF_VALUE_value(vals, i);
1117                 if (!set_table_opts(flags, val->name, in_tbl))
1118                         ret = 0;
1119         }
1120         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1121         return ret;
1122 }
1123
1124 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1125 {
1126         char c;
1127         const NAME_EX_TBL *ptbl;
1128         c = arg[0];
1129
1130         if(c == '-') {
1131                 c = 0;
1132                 arg++;
1133         } else if (c == '+') {
1134                 c = 1;
1135                 arg++;
1136         } else c = 1;
1137
1138         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1139                 if(!strcasecmp(arg, ptbl->name)) {
1140                         *flags &= ~ptbl->mask;
1141                         if(c) *flags |= ptbl->flag;
1142                         else *flags &= ~ptbl->flag;
1143                         return 1;
1144                 }
1145         }
1146         return 0;
1147 }
1148
1149 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1150 {
1151         char buf[256];
1152         char mline = 0;
1153         int indent = 0;
1154         if(title) BIO_puts(out, title);
1155         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1156                 mline = 1;
1157                 indent = 4;
1158         }
1159         if(lflags == XN_FLAG_COMPAT) {
1160                 X509_NAME_oneline(nm,buf,256);
1161                 BIO_puts(out,buf);
1162                 BIO_puts(out, "\n");
1163         } else {
1164                 if(mline) BIO_puts(out, "\n");
1165                 X509_NAME_print_ex(out, nm, indent, lflags);
1166                 BIO_puts(out, "\n");
1167         }
1168 }
1169
1170 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1171 {
1172         X509_STORE *store;
1173         X509_LOOKUP *lookup;
1174         if(!(store = X509_STORE_new())) goto end;
1175         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1176         if (lookup == NULL) goto end;
1177         if (CAfile) {
1178                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1179                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1180                         goto end;
1181                 }
1182         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1183
1184         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1185         if (lookup == NULL) goto end;
1186         if (CApath) {
1187                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1188                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1189                         goto end;
1190                 }
1191         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1192
1193         ERR_clear_error();
1194         return store;
1195         end:
1196         X509_STORE_free(store);
1197         return NULL;
1198 }
1199
1200 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1201         {
1202         ENGINE *e = NULL;
1203
1204         if (engine)
1205                 {
1206                 if(strcmp(engine, "auto") == 0)
1207                         {
1208                         BIO_printf(err,"enabling auto ENGINE support\n");
1209                         ENGINE_register_all_complete();
1210                         return NULL;
1211                         }
1212                 if((e = ENGINE_by_id(engine)) == NULL)
1213                         {
1214                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1215                         return NULL;
1216                         }
1217                 if (debug)
1218                         {
1219                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1220                                 0, err, 0);
1221                         }
1222                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1223                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1224                         {
1225                         BIO_printf(err,"can't use that engine\n");
1226                         return NULL;
1227                         }
1228
1229                 BIO_printf(err,"engine \"%s\" set.\n", engine);
1230
1231                 /* Free our "structural" reference. */
1232                 ENGINE_free(e);
1233                 }
1234         return e;
1235         }