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apps.c
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1 /* apps/apps.c */
2 /* Copyright (C) 1995-1998 Eric Young ([email protected])
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young ([email protected]).
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 ([email protected]).
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 ([email protected])"
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 ([email protected])"
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  * [email protected].
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  * ([email protected]). This product includes software written by Tim
108  * Hudson ([email protected]).
109  *
110  */
111 
112 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
113 #define _POSIX_C_SOURCE 2 /* On VMS, you need to define this to get
114  the declaration of fileno(). The value
115  2 is to make sure no function defined
116  in POSIX-2 is left undefined. */
117 #endif
118 #include <stdio.h>
119 #include <stdlib.h>
120 #include <string.h>
121 #if !defined(OPENSSL_SYSNAME_WIN32) && !defined(NETWARE_CLIB)
122 #include <strings.h>
123 #endif
124 #include <sys/types.h>
125 #include <ctype.h>
126 #include <errno.h>
127 #include <assert.h>
128 #include <openssl/err.h>
129 #include <openssl/x509.h>
130 #include <openssl/x509v3.h>
131 #include <openssl/pem.h>
132 #include <openssl/pkcs12.h>
133 #include <openssl/ui.h>
134 #include <openssl/safestack.h>
135 #ifndef OPENSSL_NO_ENGINE
136 #include <openssl/engine.h>
137 #endif
138 #ifndef OPENSSL_NO_RSA
139 #include <openssl/rsa.h>
140 #endif
141 #include <openssl/bn.h>
142 #ifndef OPENSSL_NO_JPAKE
143 #include <openssl/jpake.h>
144 #endif
145 
146 #define NON_MAIN
147 #include "apps.h"
148 #undef NON_MAIN
149 
150 #ifdef _WIN32
151 static int WIN32_rename(const char *from, const char *to);
152 #define rename(from,to) WIN32_rename((from),(to))
153 #endif
154 
155 typedef struct {
156  const char *name;
157  unsigned long flag;
158  unsigned long mask;
159 } NAME_EX_TBL;
160 
161 static UI_METHOD *ui_method = NULL;
162 
163 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
164 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
165 
166 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
167 /* Looks like this stuff is worth moving into separate function */
168 static EVP_PKEY *
169 load_netscape_key(BIO *err, BIO *key, const char *file,
170  const char *key_descrip, int format);
171 #endif
172 
173 int app_init(long mesgwin);
174 #ifdef undef /* never finished - probably never will be :-) */
175 int args_from_file(char *file, int *argc, char **argv[])
176  {
177  FILE *fp;
178  int num,i;
179  unsigned int len;
180  static char *buf=NULL;
181  static char **arg=NULL;
182  char *p;
183 
184  fp=fopen(file,"r");
185  if (fp == NULL)
186  return(0);
187 
188  if (fseek(fp,0,SEEK_END)==0)
189  len=ftell(fp), rewind(fp);
190  else len=-1;
191  if (len<=0)
192  {
193  fclose(fp);
194  return(0);
195  }
196 
197  *argc=0;
198  *argv=NULL;
199 
200  if (buf != NULL) OPENSSL_free(buf);
201  buf=(char *)OPENSSL_malloc(len+1);
202  if (buf == NULL) return(0);
203 
204  len=fread(buf,1,len,fp);
205  if (len <= 1) return(0);
206  buf[len]='\0';
207 
208  i=0;
209  for (p=buf; *p; p++)
210  if (*p == '\n') i++;
211  if (arg != NULL) OPENSSL_free(arg);
212  arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
213 
214  *argv=arg;
215  num=0;
216  p=buf;
217  for (;;)
218  {
219  if (!*p) break;
220  if (*p == '#') /* comment line */
221  {
222  while (*p && (*p != '\n')) p++;
223  continue;
224  }
225  /* else we have a line */
226  *(arg++)=p;
227  num++;
228  while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
229  p++;
230  if (!*p) break;
231  if (*p == '\n')
232  {
233  *(p++)='\0';
234  continue;
235  }
236  /* else it is a tab or space */
237  p++;
238  while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
239  p++;
240  if (!*p) break;
241  if (*p == '\n')
242  {
243  p++;
244  continue;
245  }
246  *(arg++)=p++;
247  num++;
248  while (*p && (*p != '\n')) p++;
249  if (!*p) break;
250  /* else *p == '\n' */
251  *(p++)='\0';
252  }
253  *argc=num;
254  return(1);
255  }
256 #endif
257 
258 int str2fmt(char *s)
259  {
260  if (s == NULL)
261  return FORMAT_UNDEF;
262  if ((*s == 'D') || (*s == 'd'))
263  return(FORMAT_ASN1);
264  else if ((*s == 'T') || (*s == 't'))
265  return(FORMAT_TEXT);
266  else if ((*s == 'N') || (*s == 'n'))
267  return(FORMAT_NETSCAPE);
268  else if ((*s == 'S') || (*s == 's'))
269  return(FORMAT_SMIME);
270  else if ((*s == 'M') || (*s == 'm'))
271  return(FORMAT_MSBLOB);
272  else if ((*s == '1')
273  || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
274  || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
275  return(FORMAT_PKCS12);
276  else if ((*s == 'E') || (*s == 'e'))
277  return(FORMAT_ENGINE);
278  else if ((*s == 'P') || (*s == 'p'))
279  {
280  if (s[1] == 'V' || s[1] == 'v')
281  return FORMAT_PVK;
282  else
283  return(FORMAT_PEM);
284  }
285  else
286  return(FORMAT_UNDEF);
287  }
288 
289 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
290 void program_name(char *in, char *out, int size)
291  {
292  int i,n;
293  char *p=NULL;
294 
295  n=strlen(in);
296  /* find the last '/', '\' or ':' */
297  for (i=n-1; i>0; i--)
298  {
299  if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
300  {
301  p= &(in[i+1]);
302  break;
303  }
304  }
305  if (p == NULL)
306  p=in;
307  n=strlen(p);
308 
309 #if defined(OPENSSL_SYS_NETWARE)
310  /* strip off trailing .nlm if present. */
311  if ((n > 4) && (p[n-4] == '.') &&
312  ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
313  ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
314  ((p[n-1] == 'm') || (p[n-1] == 'M')))
315  n-=4;
316 #else
317  /* strip off trailing .exe if present. */
318  if ((n > 4) && (p[n-4] == '.') &&
319  ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
320  ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
321  ((p[n-1] == 'e') || (p[n-1] == 'E')))
322  n-=4;
323 #endif
324 
325  if (n > size-1)
326  n=size-1;
327 
328  for (i=0; i<n; i++)
329  {
330  if ((p[i] >= 'A') && (p[i] <= 'Z'))
331  out[i]=p[i]-'A'+'a';
332  else
333  out[i]=p[i];
334  }
335  out[n]='\0';
336  }
337 #else
338 #ifdef OPENSSL_SYS_VMS
339 void program_name(char *in, char *out, int size)
340  {
341  char *p=in, *q;
342  char *chars=":]>";
343 
344  while(*chars != '\0')
345  {
346  q=strrchr(p,*chars);
347  if (q > p)
348  p = q + 1;
349  chars++;
350  }
351 
352  q=strrchr(p,'.');
353  if (q == NULL)
354  q = p + strlen(p);
355  strncpy(out,p,size-1);
356  if (q-p >= size)
357  {
358  out[size-1]='\0';
359  }
360  else
361  {
362  out[q-p]='\0';
363  }
364  }
365 #else
366 void program_name(char *in, char *out, int size)
367  {
368  char *p;
369 
370  p=strrchr(in,'/');
371  if (p != NULL)
372  p++;
373  else
374  p=in;
375  BUF_strlcpy(out,p,size);
376  }
377 #endif
378 #endif
379 
380 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
381  {
382  int num,i;
383  char *p;
384 
385  *argc=0;
386  *argv=NULL;
387 
388  i=0;
389  if (arg->count == 0)
390  {
391  arg->count=20;
392  arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
393  }
394  for (i=0; i<arg->count; i++)
395  arg->data[i]=NULL;
396 
397  num=0;
398  p=buf;
399  for (;;)
400  {
401  /* first scan over white space */
402  if (!*p) break;
403  while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
404  p++;
405  if (!*p) break;
406 
407  /* The start of something good :-) */
408  if (num >= arg->count)
409  {
410  char **tmp_p;
411  int tlen = arg->count + 20;
412  tmp_p = (char **)OPENSSL_realloc(arg->data,
413  sizeof(char *)*tlen);
414  if (tmp_p == NULL)
415  return 0;
416  arg->data = tmp_p;
417  arg->count = tlen;
418  /* initialize newly allocated data */
419  for (i = num; i < arg->count; i++)
420  arg->data[i] = NULL;
421  }
422  arg->data[num++]=p;
423 
424  /* now look for the end of this */
425  if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
426  {
427  i= *(p++);
428  arg->data[num-1]++; /* jump over quote */
429  while (*p && (*p != i))
430  p++;
431  *p='\0';
432  }
433  else
434  {
435  while (*p && ((*p != ' ') &&
436  (*p != '\t') && (*p != '\n')))
437  p++;
438 
439  if (*p == '\0')
440  p--;
441  else
442  *p='\0';
443  }
444  p++;
445  }
446  *argc=num;
447  *argv=arg->data;
448  return(1);
449  }
450 
451 #ifndef APP_INIT
452 int app_init(long mesgwin)
453  {
454  return(1);
455  }
456 #endif
457 
458 
459 int dump_cert_text (BIO *out, X509 *x)
460 {
461  char *p;
462 
463  p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
464  BIO_puts(out,"subject=");
465  BIO_puts(out,p);
466  OPENSSL_free(p);
467 
468  p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
469  BIO_puts(out,"\nissuer=");
470  BIO_puts(out,p);
471  BIO_puts(out,"\n");
472  OPENSSL_free(p);
473 
474  return 0;
475 }
476 
477 static int ui_open(UI *ui)
478  {
479  return UI_method_get_opener(UI_OpenSSL())(ui);
480  }
481 static int ui_read(UI *ui, UI_STRING *uis)
482  {
483  if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
484  && UI_get0_user_data(ui))
485  {
486  switch(UI_get_string_type(uis))
487  {
488  case UIT_PROMPT:
489  case UIT_VERIFY:
490  {
491  const char *password =
492  ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
493  if (password && password[0] != '\0')
494  {
495  UI_set_result(ui, uis, password);
496  return 1;
497  }
498  }
499  default:
500  break;
501  }
502  }
503  return UI_method_get_reader(UI_OpenSSL())(ui, uis);
504  }
505 static int ui_write(UI *ui, UI_STRING *uis)
506  {
507  if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
508  && UI_get0_user_data(ui))
509  {
510  switch(UI_get_string_type(uis))
511  {
512  case UIT_PROMPT:
513  case UIT_VERIFY:
514  {
515  const char *password =
516  ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
517  if (password && password[0] != '\0')
518  return 1;
519  }
520  default:
521  break;
522  }
523  }
524  return UI_method_get_writer(UI_OpenSSL())(ui, uis);
525  }
526 static int ui_close(UI *ui)
527  {
528  return UI_method_get_closer(UI_OpenSSL())(ui);
529  }
530 int setup_ui_method(void)
531  {
532  ui_method = UI_create_method("OpenSSL application user interface");
533  UI_method_set_opener(ui_method, ui_open);
534  UI_method_set_reader(ui_method, ui_read);
535  UI_method_set_writer(ui_method, ui_write);
536  UI_method_set_closer(ui_method, ui_close);
537  return 0;
538  }
539 void destroy_ui_method(void)
540  {
541  if(ui_method)
542  {
543  UI_destroy_method(ui_method);
544  ui_method = NULL;
545  }
546  }
547 int password_callback(char *buf, int bufsiz, int verify,
548  PW_CB_DATA *cb_tmp)
549  {
550  UI *ui = NULL;
551  int res = 0;
552  const char *prompt_info = NULL;
553  const char *password = NULL;
554  PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
555 
556  if (cb_data)
557  {
558  if (cb_data->password)
559  password = cb_data->password;
560  if (cb_data->prompt_info)
561  prompt_info = cb_data->prompt_info;
562  }
563 
564  if (password)
565  {
566  res = strlen(password);
567  if (res > bufsiz)
568  res = bufsiz;
569  memcpy(buf, password, res);
570  return res;
571  }
572 
573  ui = UI_new_method(ui_method);
574  if (ui)
575  {
576  int ok = 0;
577  char *buff = NULL;
578  int ui_flags = 0;
579  char *prompt = NULL;
580 
581  prompt = UI_construct_prompt(ui, "pass phrase",
582  prompt_info);
583 
584  ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
585  UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
586 
587  if (ok >= 0)
588  ok = UI_add_input_string(ui,prompt,ui_flags,buf,
589  PW_MIN_LENGTH,BUFSIZ-1);
590  if (ok >= 0 && verify)
591  {
592  buff = (char *)OPENSSL_malloc(bufsiz);
593  ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
594  PW_MIN_LENGTH,BUFSIZ-1, buf);
595  }
596  if (ok >= 0)
597  do
598  {
599  ok = UI_process(ui);
600  }
601  while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
602 
603  if (buff)
604  {
605  OPENSSL_cleanse(buff,(unsigned int)bufsiz);
606  OPENSSL_free(buff);
607  }
608 
609  if (ok >= 0)
610  res = strlen(buf);
611  if (ok == -1)
612  {
613  BIO_printf(bio_err, "User interface error\n");
614  ERR_print_errors(bio_err);
615  OPENSSL_cleanse(buf,(unsigned int)bufsiz);
616  res = 0;
617  }
618  if (ok == -2)
619  {
620  BIO_printf(bio_err,"aborted!\n");
621  OPENSSL_cleanse(buf,(unsigned int)bufsiz);
622  res = 0;
623  }
624  UI_free(ui);
625  OPENSSL_free(prompt);
626  }
627  return res;
628  }
629 
630 static char *app_get_pass(BIO *err, char *arg, int keepbio);
631 
632 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
633 {
634  int same;
635  if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
636  else same = 1;
637  if(arg1) {
638  *pass1 = app_get_pass(err, arg1, same);
639  if(!*pass1) return 0;
640  } else if(pass1) *pass1 = NULL;
641  if(arg2) {
642  *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
643  if(!*pass2) return 0;
644  } else if(pass2) *pass2 = NULL;
645  return 1;
646 }
647 
648 static char *app_get_pass(BIO *err, char *arg, int keepbio)
649 {
650  char *tmp, tpass[APP_PASS_LEN];
651  static BIO *pwdbio = NULL;
652  int i;
653  if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
654  if(!strncmp(arg, "env:", 4)) {
655  tmp = getenv(arg + 4);
656  if(!tmp) {
657  BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
658  return NULL;
659  }
660  return BUF_strdup(tmp);
661  }
662  if(!keepbio || !pwdbio) {
663  if(!strncmp(arg, "file:", 5)) {
664  pwdbio = BIO_new_file(arg + 5, "r");
665  if(!pwdbio) {
666  BIO_printf(err, "Can't open file %s\n", arg + 5);
667  return NULL;
668  }
669 #if !defined(_WIN32)
670  /*
671  * Under _WIN32, which covers even Win64 and CE, file
672  * descriptors referenced by BIO_s_fd are not inherited
673  * by child process and therefore below is not an option.
674  * It could have been an option if bss_fd.c was operating
675  * on real Windows descriptors, such as those obtained
676  * with CreateFile.
677  */
678  } else if(!strncmp(arg, "fd:", 3)) {
679  BIO *btmp;
680  i = atoi(arg + 3);
681  if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
682  if((i < 0) || !pwdbio) {
683  BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
684  return NULL;
685  }
686  /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
687  btmp = BIO_new(BIO_f_buffer());
688  pwdbio = BIO_push(btmp, pwdbio);
689 #endif
690  } else if(!strcmp(arg, "stdin")) {
691  pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
692  if(!pwdbio) {
693  BIO_printf(err, "Can't open BIO for stdin\n");
694  return NULL;
695  }
696  } else {
697  BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
698  return NULL;
699  }
700  }
701  i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
702  if(keepbio != 1) {
703  BIO_free_all(pwdbio);
704  pwdbio = NULL;
705  }
706  if(i <= 0) {
707  BIO_printf(err, "Error reading password from BIO\n");
708  return NULL;
709  }
710  tmp = strchr(tpass, '\n');
711  if(tmp) *tmp = 0;
712  return BUF_strdup(tpass);
713 }
714 
715 int add_oid_section(BIO *err, CONF *conf)
716 {
717  char *p;
718  STACK_OF(CONF_VALUE) *sktmp;
719  CONF_VALUE *cnf;
720  int i;
721  if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
722  {
723  ERR_clear_error();
724  return 1;
725  }
726  if(!(sktmp = NCONF_get_section(conf, p))) {
727  BIO_printf(err, "problem loading oid section %s\n", p);
728  return 0;
729  }
730  for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
731  cnf = sk_CONF_VALUE_value(sktmp, i);
732  if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
733  BIO_printf(err, "problem creating object %s=%s\n",
734  cnf->name, cnf->value);
735  return 0;
736  }
737  }
738  return 1;
739 }
740 
741 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
742  pem_password_cb *pem_cb, void *cb_data,
743  EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
744  {
745  const char *pass;
746  char tpass[PEM_BUFSIZE];
747  int len, ret = 0;
748  PKCS12 *p12;
749  p12 = d2i_PKCS12_bio(in, NULL);
750  if (p12 == NULL)
751  {
752  BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
753  goto die;
754  }
755  /* See if an empty password will do */
756  if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
757  pass = "";
758  else
759  {
760  if (!pem_cb)
761  pem_cb = (pem_password_cb *)password_callback;
762  len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
763  if (len < 0)
764  {
765  BIO_printf(err, "Passpharse callback error for %s\n",
766  desc);
767  goto die;
768  }
769  if (len < PEM_BUFSIZE)
770  tpass[len] = 0;
771  if (!PKCS12_verify_mac(p12, tpass, len))
772  {
773  BIO_printf(err,
774  "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
775  goto die;
776  }
777  pass = tpass;
778  }
779  ret = PKCS12_parse(p12, pass, pkey, cert, ca);
780  die:
781  if (p12)
782  PKCS12_free(p12);
783  return ret;
784  }
785 
786 X509 *load_cert(BIO *err, const char *file, int format,
787  const char *pass, ENGINE *e, const char *cert_descrip)
788  {
789  X509 *x=NULL;
790  BIO *cert;
791 
792  if ((cert=BIO_new(BIO_s_file())) == NULL)
793  {
794  ERR_print_errors(err);
795  goto end;
796  }
797 
798  if (file == NULL)
799  {
800 #ifdef _IONBF
801 # ifndef OPENSSL_NO_SETVBUF_IONBF
802  setvbuf(stdin, NULL, _IONBF, 0);
803 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
804 #endif
805  BIO_set_fp(cert,stdin,BIO_NOCLOSE);
806  }
807  else
808  {
809  if (BIO_read_filename(cert,file) <= 0)
810  {
811  BIO_printf(err, "Error opening %s %s\n",
812  cert_descrip, file);
813  ERR_print_errors(err);
814  goto end;
815  }
816  }
817 
818  if (format == FORMAT_ASN1)
819  x=d2i_X509_bio(cert,NULL);
820  else if (format == FORMAT_NETSCAPE)
821  {
822  NETSCAPE_X509 *nx;
823  nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
824  if (nx == NULL)
825  goto end;
826 
827  if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
828  nx->header->length) != 0))
829  {
830  NETSCAPE_X509_free(nx);
831  BIO_printf(err,"Error reading header on certificate\n");
832  goto end;
833  }
834  x=nx->cert;
835  nx->cert = NULL;
836  NETSCAPE_X509_free(nx);
837  }
838  else if (format == FORMAT_PEM)
839  x=PEM_read_bio_X509_AUX(cert,NULL,
840  (pem_password_cb *)password_callback, NULL);
841  else if (format == FORMAT_PKCS12)
842  {
843  if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
844  NULL, &x, NULL))
845  goto end;
846  }
847  else {
848  BIO_printf(err,"bad input format specified for %s\n",
849  cert_descrip);
850  goto end;
851  }
852 end:
853  if (x == NULL)
854  {
855  BIO_printf(err,"unable to load certificate\n");
856  ERR_print_errors(err);
857  }
858  if (cert != NULL) BIO_free(cert);
859  return(x);
860  }
861 
862 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
863  const char *pass, ENGINE *e, const char *key_descrip)
864  {
865  BIO *key=NULL;
866  EVP_PKEY *pkey=NULL;
867  PW_CB_DATA cb_data;
868 
869  cb_data.password = pass;
870  cb_data.prompt_info = file;
871 
872  if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
873  {
874  BIO_printf(err,"no keyfile specified\n");
875  goto end;
876  }
877 #ifndef OPENSSL_NO_ENGINE
878  if (format == FORMAT_ENGINE)
879  {
880  if (!e)
881  BIO_printf(err,"no engine specified\n");
882  else
883  {
884  pkey = ENGINE_load_private_key(e, file,
885  ui_method, &cb_data);
886  if (!pkey)
887  {
888  BIO_printf(err,"cannot load %s from engine\n",key_descrip);
889  ERR_print_errors(err);
890  }
891  }
892  goto end;
893  }
894 #endif
895  key=BIO_new(BIO_s_file());
896  if (key == NULL)
897  {
898  ERR_print_errors(err);
899  goto end;
900  }
901  if (file == NULL && maybe_stdin)
902  {
903 #ifdef _IONBF
904 # ifndef OPENSSL_NO_SETVBUF_IONBF
905  setvbuf(stdin, NULL, _IONBF, 0);
906 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
907 #endif
908  BIO_set_fp(key,stdin,BIO_NOCLOSE);
909  }
910  else
911  if (BIO_read_filename(key,file) <= 0)
912  {
913  BIO_printf(err, "Error opening %s %s\n",
914  key_descrip, file);
915  ERR_print_errors(err);
916  goto end;
917  }
918  if (format == FORMAT_ASN1)
919  {
920  pkey=d2i_PrivateKey_bio(key, NULL);
921  }
922  else if (format == FORMAT_PEM)
923  {
924  pkey=PEM_read_bio_PrivateKey(key,NULL,
925  (pem_password_cb *)password_callback, &cb_data);
926  }
927 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
928  else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
929  pkey = load_netscape_key(err, key, file, key_descrip, format);
930 #endif
931  else if (format == FORMAT_PKCS12)
932  {
933  if (!load_pkcs12(err, key, key_descrip,
934  (pem_password_cb *)password_callback, &cb_data,
935  &pkey, NULL, NULL))
936  goto end;
937  }
938 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
939  else if (format == FORMAT_MSBLOB)
940  pkey = b2i_PrivateKey_bio(key);
941  else if (format == FORMAT_PVK)
942  pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
943  &cb_data);
944 #endif
945  else
946  {
947  BIO_printf(err,"bad input format specified for key file\n");
948  goto end;
949  }
950  end:
951  if (key != NULL) BIO_free(key);
952  if (pkey == NULL)
953  {
954  BIO_printf(err,"unable to load %s\n", key_descrip);
955  ERR_print_errors(err);
956  }
957  return(pkey);
958  }
959 
960 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
961  const char *pass, ENGINE *e, const char *key_descrip)
962  {
963  BIO *key=NULL;
964  EVP_PKEY *pkey=NULL;
965  PW_CB_DATA cb_data;
966 
967  cb_data.password = pass;
968  cb_data.prompt_info = file;
969 
970  if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
971  {
972  BIO_printf(err,"no keyfile specified\n");
973  goto end;
974  }
975 #ifndef OPENSSL_NO_ENGINE
976  if (format == FORMAT_ENGINE)
977  {
978  if (!e)
979  BIO_printf(bio_err,"no engine specified\n");
980  else
981  pkey = ENGINE_load_public_key(e, file,
982  ui_method, &cb_data);
983  goto end;
984  }
985 #endif
986  key=BIO_new(BIO_s_file());
987  if (key == NULL)
988  {
989  ERR_print_errors(err);
990  goto end;
991  }
992  if (file == NULL && maybe_stdin)
993  {
994 #ifdef _IONBF
995 # ifndef OPENSSL_NO_SETVBUF_IONBF
996  setvbuf(stdin, NULL, _IONBF, 0);
997 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
998 #endif
999  BIO_set_fp(key,stdin,BIO_NOCLOSE);
1000  }
1001  else
1002  if (BIO_read_filename(key,file) <= 0)
1003  {
1004  BIO_printf(err, "Error opening %s %s\n",
1005  key_descrip, file);
1006  ERR_print_errors(err);
1007  goto end;
1008  }
1009  if (format == FORMAT_ASN1)
1010  {
1011  pkey=d2i_PUBKEY_bio(key, NULL);
1012  }
1013 #ifndef OPENSSL_NO_RSA
1014  else if (format == FORMAT_ASN1RSA)
1015  {
1016  RSA *rsa;
1017  rsa = d2i_RSAPublicKey_bio(key, NULL);
1018  if (rsa)
1019  {
1020  pkey = EVP_PKEY_new();
1021  if (pkey)
1022  EVP_PKEY_set1_RSA(pkey, rsa);
1023  RSA_free(rsa);
1024  }
1025  else
1026  pkey = NULL;
1027  }
1028  else if (format == FORMAT_PEMRSA)
1029  {
1030  RSA *rsa;
1031  rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1032  (pem_password_cb *)password_callback, &cb_data);
1033  if (rsa)
1034  {
1035  pkey = EVP_PKEY_new();
1036  if (pkey)
1037  EVP_PKEY_set1_RSA(pkey, rsa);
1038  RSA_free(rsa);
1039  }
1040  else
1041  pkey = NULL;
1042  }
1043 #endif
1044  else if (format == FORMAT_PEM)
1045  {
1046  pkey=PEM_read_bio_PUBKEY(key,NULL,
1047  (pem_password_cb *)password_callback, &cb_data);
1048  }
1049 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1050  else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1051  pkey = load_netscape_key(err, key, file, key_descrip, format);
1052 #endif
1053 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1054  else if (format == FORMAT_MSBLOB)
1055  pkey = b2i_PublicKey_bio(key);
1056 #endif
1057  else
1058  {
1059  BIO_printf(err,"bad input format specified for key file\n");
1060  goto end;
1061  }
1062  end:
1063  if (key != NULL) BIO_free(key);
1064  if (pkey == NULL)
1065  BIO_printf(err,"unable to load %s\n", key_descrip);
1066  return(pkey);
1067  }
1068 
1069 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1070 static EVP_PKEY *
1071 load_netscape_key(BIO *err, BIO *key, const char *file,
1072  const char *key_descrip, int format)
1073  {
1074  EVP_PKEY *pkey;
1075  BUF_MEM *buf;
1076  RSA *rsa;
1077  const unsigned char *p;
1078  int size, i;
1079 
1080  buf=BUF_MEM_new();
1081  pkey = EVP_PKEY_new();
1082  size = 0;
1083  if (buf == NULL || pkey == NULL)
1084  goto error;
1085  for (;;)
1086  {
1087  if (!BUF_MEM_grow_clean(buf,size+1024*10))
1088  goto error;
1089  i = BIO_read(key, &(buf->data[size]), 1024*10);
1090  size += i;
1091  if (i == 0)
1092  break;
1093  if (i < 0)
1094  {
1095  BIO_printf(err, "Error reading %s %s",
1096  key_descrip, file);
1097  goto error;
1098  }
1099  }
1100  p=(unsigned char *)buf->data;
1101  rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1102  (format == FORMAT_IISSGC ? 1 : 0));
1103  if (rsa == NULL)
1104  goto error;
1105  BUF_MEM_free(buf);
1106  EVP_PKEY_set1_RSA(pkey, rsa);
1107  return pkey;
1108 error:
1109  BUF_MEM_free(buf);
1110  EVP_PKEY_free(pkey);
1111  return NULL;
1112  }
1113 #endif /* ndef OPENSSL_NO_RC4 */
1114 
1115 static int load_certs_crls(BIO *err, const char *file, int format,
1116  const char *pass, ENGINE *e, const char *desc,
1117  STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
1118  {
1119  int i;
1120  BIO *bio;
1121  STACK_OF(X509_INFO) *xis = NULL;
1122  X509_INFO *xi;
1123  PW_CB_DATA cb_data;
1124  int rv = 0;
1125 
1126  cb_data.password = pass;
1127  cb_data.prompt_info = file;
1128 
1129  if (format != FORMAT_PEM)
1130  {
1131  BIO_printf(err,"bad input format specified for %s\n", desc);
1132  return 0;
1133  }
1134 
1135  if (file == NULL)
1136  bio = BIO_new_fp(stdin,BIO_NOCLOSE);
1137  else
1138  bio = BIO_new_file(file, "r");
1139 
1140  if (bio == NULL)
1141  {
1142  BIO_printf(err, "Error opening %s %s\n",
1143  desc, file ? file : "stdin");
1144  ERR_print_errors(err);
1145  return 0;
1146  }
1147 
1148  xis = PEM_X509_INFO_read_bio(bio, NULL,
1149  (pem_password_cb *)password_callback, &cb_data);
1150 
1151  BIO_free(bio);
1152 
1153  if (pcerts)
1154  {
1155  *pcerts = sk_X509_new_null();
1156  if (!*pcerts)
1157  goto end;
1158  }
1159 
1160  if (pcrls)
1161  {
1162  *pcrls = sk_X509_CRL_new_null();
1163  if (!*pcrls)
1164  goto end;
1165  }
1166 
1167  for(i = 0; i < sk_X509_INFO_num(xis); i++)
1168  {
1169  xi = sk_X509_INFO_value (xis, i);
1170  if (xi->x509 && pcerts)
1171  {
1172  if (!sk_X509_push(*pcerts, xi->x509))
1173  goto end;
1174  xi->x509 = NULL;
1175  }
1176  if (xi->crl && pcrls)
1177  {
1178  if (!sk_X509_CRL_push(*pcrls, xi->crl))
1179  goto end;
1180  xi->crl = NULL;
1181  }
1182  }
1183 
1184  if (pcerts && sk_X509_num(*pcerts) > 0)
1185  rv = 1;
1186 
1187  if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1188  rv = 1;
1189 
1190  end:
1191 
1192  if (xis)
1193  sk_X509_INFO_pop_free(xis, X509_INFO_free);
1194 
1195  if (rv == 0)
1196  {
1197  if (pcerts)
1198  {
1199  sk_X509_pop_free(*pcerts, X509_free);
1200  *pcerts = NULL;
1201  }
1202  if (pcrls)
1203  {
1204  sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1205  *pcrls = NULL;
1206  }
1207  BIO_printf(err,"unable to load %s\n",
1208  pcerts ? "certificates" : "CRLs");
1209  ERR_print_errors(err);
1210  }
1211  return rv;
1212  }
1213 
1214 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1215  const char *pass, ENGINE *e, const char *desc)
1216  {
1217  STACK_OF(X509) *certs;
1218  if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
1219  return NULL;
1220  return certs;
1221  }
1222 
1223 STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1224  const char *pass, ENGINE *e, const char *desc)
1225  {
1226  STACK_OF(X509_CRL) *crls;
1227  if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
1228  return NULL;
1229  return crls;
1230  }
1231 
1232 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1233 /* Return error for unknown extensions */
1234 #define X509V3_EXT_DEFAULT 0
1235 /* Print error for unknown extensions */
1236 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1237 /* ASN1 parse unknown extensions */
1238 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1239 /* BIO_dump unknown extensions */
1240 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1241 
1242 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1243  X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1244 
1245 int set_cert_ex(unsigned long *flags, const char *arg)
1246 {
1247  static const NAME_EX_TBL cert_tbl[] = {
1248  { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1249  { "ca_default", X509_FLAG_CA, 0xffffffffl},
1250  { "no_header", X509_FLAG_NO_HEADER, 0},
1251  { "no_version", X509_FLAG_NO_VERSION, 0},
1252  { "no_serial", X509_FLAG_NO_SERIAL, 0},
1253  { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1254  { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1255  { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1256  { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1257  { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1258  { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1259  { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1260  { "no_aux", X509_FLAG_NO_AUX, 0},
1261  { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1262  { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1263  { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1264  { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1265  { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1266  { NULL, 0, 0}
1267  };
1268  return set_multi_opts(flags, arg, cert_tbl);
1269 }
1270 
1271 int set_name_ex(unsigned long *flags, const char *arg)
1272 {
1273  static const NAME_EX_TBL ex_tbl[] = {
1274  { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1275  { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1276  { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1277  { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1278  { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1279  { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1280  { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1281  { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1282  { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1283  { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1284  { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1285  { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1286  { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1287  { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1288  { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1289  { "dn_rev", XN_FLAG_DN_REV, 0},
1290  { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1291  { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1292  { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1293  { "align", XN_FLAG_FN_ALIGN, 0},
1294  { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1295  { "space_eq", XN_FLAG_SPC_EQ, 0},
1296  { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1297  { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1298  { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1299  { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1300  { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1301  { NULL, 0, 0}
1302  };
1303  return set_multi_opts(flags, arg, ex_tbl);
1304 }
1305 
1306 int set_ext_copy(int *copy_type, const char *arg)
1307 {
1308  if (!strcasecmp(arg, "none"))
1309  *copy_type = EXT_COPY_NONE;
1310  else if (!strcasecmp(arg, "copy"))
1311  *copy_type = EXT_COPY_ADD;
1312  else if (!strcasecmp(arg, "copyall"))
1313  *copy_type = EXT_COPY_ALL;
1314  else
1315  return 0;
1316  return 1;
1317 }
1318 
1319 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1320 {
1321  STACK_OF(X509_EXTENSION) *exts = NULL;
1322  X509_EXTENSION *ext, *tmpext;
1323  ASN1_OBJECT *obj;
1324  int i, idx, ret = 0;
1325  if (!x || !req || (copy_type == EXT_COPY_NONE))
1326  return 1;
1327  exts = X509_REQ_get_extensions(req);
1328 
1329  for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1330  ext = sk_X509_EXTENSION_value(exts, i);
1331  obj = X509_EXTENSION_get_object(ext);
1332  idx = X509_get_ext_by_OBJ(x, obj, -1);
1333  /* Does extension exist? */
1334  if (idx != -1) {
1335  /* If normal copy don't override existing extension */
1336  if (copy_type == EXT_COPY_ADD)
1337  continue;
1338  /* Delete all extensions of same type */
1339  do {
1340  tmpext = X509_get_ext(x, idx);
1341  X509_delete_ext(x, idx);
1342  X509_EXTENSION_free(tmpext);
1343  idx = X509_get_ext_by_OBJ(x, obj, -1);
1344  } while (idx != -1);
1345  }
1346  if (!X509_add_ext(x, ext, -1))
1347  goto end;
1348  }
1349 
1350  ret = 1;
1351 
1352  end:
1353 
1354  sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1355 
1356  return ret;
1357 }
1358 
1359 
1360 
1361 
1362 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1363 {
1364  STACK_OF(CONF_VALUE) *vals;
1365  CONF_VALUE *val;
1366  int i, ret = 1;
1367  if(!arg) return 0;
1368  vals = X509V3_parse_list(arg);
1369  for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1370  val = sk_CONF_VALUE_value(vals, i);
1371  if (!set_table_opts(flags, val->name, in_tbl))
1372  ret = 0;
1373  }
1374  sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1375  return ret;
1376 }
1377 
1378 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1379 {
1380  char c;
1381  const NAME_EX_TBL *ptbl;
1382  c = arg[0];
1383 
1384  if(c == '-') {
1385  c = 0;
1386  arg++;
1387  } else if (c == '+') {
1388  c = 1;
1389  arg++;
1390  } else c = 1;
1391 
1392  for(ptbl = in_tbl; ptbl->name; ptbl++) {
1393  if(!strcasecmp(arg, ptbl->name)) {
1394  *flags &= ~ptbl->mask;
1395  if(c) *flags |= ptbl->flag;
1396  else *flags &= ~ptbl->flag;
1397  return 1;
1398  }
1399  }
1400  return 0;
1401 }
1402 
1403 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1404 {
1405  char *buf;
1406  char mline = 0;
1407  int indent = 0;
1408 
1409  if(title) BIO_puts(out, title);
1410  if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1411  mline = 1;
1412  indent = 4;
1413  }
1414  if(lflags == XN_FLAG_COMPAT) {
1415  buf = X509_NAME_oneline(nm, 0, 0);
1416  BIO_puts(out, buf);
1417  BIO_puts(out, "\n");
1418  OPENSSL_free(buf);
1419  } else {
1420  if(mline) BIO_puts(out, "\n");
1421  X509_NAME_print_ex(out, nm, indent, lflags);
1422  BIO_puts(out, "\n");
1423  }
1424 }
1425 
1426 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1427 {
1428  X509_STORE *store;
1429  X509_LOOKUP *lookup;
1430  if(!(store = X509_STORE_new())) goto end;
1431  lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1432  if (lookup == NULL) goto end;
1433  if (CAfile) {
1434  if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1435  BIO_printf(bp, "Error loading file %s\n", CAfile);
1436  goto end;
1437  }
1438  } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1439 
1440  lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1441  if (lookup == NULL) goto end;
1442  if (CApath) {
1443  if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1444  BIO_printf(bp, "Error loading directory %s\n", CApath);
1445  goto end;
1446  }
1447  } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1448 
1449  ERR_clear_error();
1450  return store;
1451  end:
1452  X509_STORE_free(store);
1453  return NULL;
1454 }
1455 
1456 #ifndef OPENSSL_NO_ENGINE
1457 /* Try to load an engine in a shareable library */
1458 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1459  {
1460  ENGINE *e = ENGINE_by_id("dynamic");
1461  if (e)
1462  {
1463  if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1464  || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1465  {
1466  ENGINE_free(e);
1467  e = NULL;
1468  }
1469  }
1470  return e;
1471  }
1472 
1473 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1474  {
1475  ENGINE *e = NULL;
1476 
1477  if (engine)
1478  {
1479  if(strcmp(engine, "auto") == 0)
1480  {
1481  BIO_printf(err,"enabling auto ENGINE support\n");
1482  ENGINE_register_all_complete();
1483  return NULL;
1484  }
1485  if((e = ENGINE_by_id(engine)) == NULL
1486  && (e = try_load_engine(err, engine, debug)) == NULL)
1487  {
1488  BIO_printf(err,"invalid engine \"%s\"\n", engine);
1489  ERR_print_errors(err);
1490  return NULL;
1491  }
1492  if (debug)
1493  {
1494  ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1495  0, err, 0);
1496  }
1497  ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1498  if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1499  {
1500  BIO_printf(err,"can't use that engine\n");
1501  ERR_print_errors(err);
1502  ENGINE_free(e);
1503  return NULL;
1504  }
1505 
1506  BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1507 
1508  /* Free our "structural" reference. */
1509  ENGINE_free(e);
1510  }
1511  return e;
1512  }
1513 #endif
1514 
1515 int load_config(BIO *err, CONF *cnf)
1516  {
1517  static int load_config_called = 0;
1518  if (load_config_called)
1519  return 1;
1520  load_config_called = 1;
1521  if (!cnf)
1522  cnf = config;
1523  if (!cnf)
1524  return 1;
1525 
1526  OPENSSL_load_builtin_modules();
1527 
1528  if (CONF_modules_load(cnf, NULL, 0) <= 0)
1529  {
1530  BIO_printf(err, "Error configuring OpenSSL\n");
1531  ERR_print_errors(err);
1532  return 0;
1533  }
1534  return 1;
1535  }
1536 
1537 char *make_config_name()
1538  {
1539  const char *t=X509_get_default_cert_area();
1540  size_t len;
1541  char *p;
1542 
1543  len=strlen(t)+strlen(OPENSSL_CONF)+2;
1544  p=OPENSSL_malloc(len);
1545  BUF_strlcpy(p,t,len);
1546 #ifndef OPENSSL_SYS_VMS
1547  BUF_strlcat(p,"/",len);
1548 #endif
1549  BUF_strlcat(p,OPENSSL_CONF,len);
1550 
1551  return p;
1552  }
1553 
1554 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1555  {
1556  const char *n;
1557 
1558  n=a[DB_serial];
1559  while (*n == '0') n++;
1560  return(lh_strhash(n));
1561  }
1562 
1563 static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1564  {
1565  const char *aa,*bb;
1566 
1567  for (aa=a[DB_serial]; *aa == '0'; aa++);
1568  for (bb=b[DB_serial]; *bb == '0'; bb++);
1569  return(strcmp(aa,bb));
1570  }
1571 
1572 static int index_name_qual(char **a)
1573  { return(a[0][0] == 'V'); }
1574 
1575 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1576  { return(lh_strhash(a[DB_name])); }
1577 
1578 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1579  { return(strcmp(a[DB_name], b[DB_name])); }
1580 
1581 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1582 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1583 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1584 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1585 
1586 #undef BSIZE
1587 #define BSIZE 256
1588 
1589 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1590  {
1591  BIO *in=NULL;
1592  BIGNUM *ret=NULL;
1593  MS_STATIC char buf[1024];
1594  ASN1_INTEGER *ai=NULL;
1595 
1596  ai=ASN1_INTEGER_new();
1597  if (ai == NULL) goto err;
1598 
1599  if ((in=BIO_new(BIO_s_file())) == NULL)
1600  {
1601  ERR_print_errors(bio_err);
1602  goto err;
1603  }
1604 
1605  if (BIO_read_filename(in,serialfile) <= 0)
1606  {
1607  if (!create)
1608  {
1609  perror(serialfile);
1610  goto err;
1611  }
1612  else
1613  {
1614  ret=BN_new();
1615  if (ret == NULL || !rand_serial(ret, ai))
1616  BIO_printf(bio_err, "Out of memory\n");
1617  }
1618  }
1619  else
1620  {
1621  if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1622  {
1623  BIO_printf(bio_err,"unable to load number from %s\n",
1624  serialfile);
1625  goto err;
1626  }
1627  ret=ASN1_INTEGER_to_BN(ai,NULL);
1628  if (ret == NULL)
1629  {
1630  BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1631  goto err;
1632  }
1633  }
1634 
1635  if (ret && retai)
1636  {
1637  *retai = ai;
1638  ai = NULL;
1639  }
1640  err:
1641  if (in != NULL) BIO_free(in);
1642  if (ai != NULL) ASN1_INTEGER_free(ai);
1643  return(ret);
1644  }
1645 
1646 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1647  {
1648  char buf[1][BSIZE];
1649  BIO *out = NULL;
1650  int ret=0;
1651  ASN1_INTEGER *ai=NULL;
1652  int j;
1653 
1654  if (suffix == NULL)
1655  j = strlen(serialfile);
1656  else
1657  j = strlen(serialfile) + strlen(suffix) + 1;
1658  if (j >= BSIZE)
1659  {
1660  BIO_printf(bio_err,"file name too long\n");
1661  goto err;
1662  }
1663 
1664  if (suffix == NULL)
1665  BUF_strlcpy(buf[0], serialfile, BSIZE);
1666  else
1667  {
1668 #ifndef OPENSSL_SYS_VMS
1669  j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1670 #else
1671  j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1672 #endif
1673  }
1674 #ifdef RL_DEBUG
1675  BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1676 #endif
1677  out=BIO_new(BIO_s_file());
1678  if (out == NULL)
1679  {
1680  ERR_print_errors(bio_err);
1681  goto err;
1682  }
1683  if (BIO_write_filename(out,buf[0]) <= 0)
1684  {
1685  perror(serialfile);
1686  goto err;
1687  }
1688 
1689  if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1690  {
1691  BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1692  goto err;
1693  }
1694  i2a_ASN1_INTEGER(out,ai);
1695  BIO_puts(out,"\n");
1696  ret=1;
1697  if (retai)
1698  {
1699  *retai = ai;
1700  ai = NULL;
1701  }
1702 err:
1703  if (out != NULL) BIO_free_all(out);
1704  if (ai != NULL) ASN1_INTEGER_free(ai);
1705  return(ret);
1706  }
1707 
1708 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1709  {
1710  char buf[5][BSIZE];
1711  int i,j;
1712 
1713  i = strlen(serialfile) + strlen(old_suffix);
1714  j = strlen(serialfile) + strlen(new_suffix);
1715  if (i > j) j = i;
1716  if (j + 1 >= BSIZE)
1717  {
1718  BIO_printf(bio_err,"file name too long\n");
1719  goto err;
1720  }
1721 
1722 #ifndef OPENSSL_SYS_VMS
1723  j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1724  serialfile, new_suffix);
1725 #else
1726  j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1727  serialfile, new_suffix);
1728 #endif
1729 #ifndef OPENSSL_SYS_VMS
1730  j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1731  serialfile, old_suffix);
1732 #else
1733  j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1734  serialfile, old_suffix);
1735 #endif
1736 #ifdef RL_DEBUG
1737  BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1738  serialfile, buf[1]);
1739 #endif
1740  if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1741 #ifdef ENOTDIR
1742  && errno != ENOTDIR
1743 #endif
1744  ) {
1745  BIO_printf(bio_err,
1746  "unable to rename %s to %s\n",
1747  serialfile, buf[1]);
1748  perror("reason");
1749  goto err;
1750  }
1751 #ifdef RL_DEBUG
1752  BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1753  buf[0],serialfile);
1754 #endif
1755  if (rename(buf[0],serialfile) < 0)
1756  {
1757  BIO_printf(bio_err,
1758  "unable to rename %s to %s\n",
1759  buf[0],serialfile);
1760  perror("reason");
1761  rename(buf[1],serialfile);
1762  goto err;
1763  }
1764  return 1;
1765  err:
1766  return 0;
1767  }
1768 
1769 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1770  {
1771  BIGNUM *btmp;
1772  int ret = 0;
1773  if (b)
1774  btmp = b;
1775  else
1776  btmp = BN_new();
1777 
1778  if (!btmp)
1779  return 0;
1780 
1781  if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1782  goto error;
1783  if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1784  goto error;
1785 
1786  ret = 1;
1787 
1788  error:
1789 
1790  if (!b)
1791  BN_free(btmp);
1792 
1793  return ret;
1794  }
1795 
1796 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1797  {
1798  CA_DB *retdb = NULL;
1799  TXT_DB *tmpdb = NULL;
1800  BIO *in = BIO_new(BIO_s_file());
1801  CONF *dbattr_conf = NULL;
1802  char buf[1][BSIZE];
1803  long errorline= -1;
1804 
1805  if (in == NULL)
1806  {
1807  ERR_print_errors(bio_err);
1808  goto err;
1809  }
1810  if (BIO_read_filename(in,dbfile) <= 0)
1811  {
1812  perror(dbfile);
1813  BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1814  goto err;
1815  }
1816  if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1817  goto err;
1818 
1819 #ifndef OPENSSL_SYS_VMS
1820  BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1821 #else
1822  BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1823 #endif
1824  dbattr_conf = NCONF_new(NULL);
1825  if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1826  {
1827  if (errorline > 0)
1828  {
1829  BIO_printf(bio_err,
1830  "error on line %ld of db attribute file '%s'\n"
1831  ,errorline,buf[0]);
1832  goto err;
1833  }
1834  else
1835  {
1836  NCONF_free(dbattr_conf);
1837  dbattr_conf = NULL;
1838  }
1839  }
1840 
1841  if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1842  {
1843  fprintf(stderr, "Out of memory\n");
1844  goto err;
1845  }
1846 
1847  retdb->db = tmpdb;
1848  tmpdb = NULL;
1849  if (db_attr)
1850  retdb->attributes = *db_attr;
1851  else
1852  {
1853  retdb->attributes.unique_subject = 1;
1854  }
1855 
1856  if (dbattr_conf)
1857  {
1858  char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1859  if (p)
1860  {
1861 #ifdef RL_DEBUG
1862  BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1863 #endif
1864  retdb->attributes.unique_subject = parse_yesno(p,1);
1865  }
1866  }
1867 
1868  err:
1869  if (dbattr_conf) NCONF_free(dbattr_conf);
1870  if (tmpdb) TXT_DB_free(tmpdb);
1871  if (in) BIO_free_all(in);
1872  return retdb;
1873  }
1874 
1875 int index_index(CA_DB *db)
1876  {
1877  if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1878  LHASH_HASH_FN(index_serial),
1879  LHASH_COMP_FN(index_serial)))
1880  {
1881  BIO_printf(bio_err,
1882  "error creating serial number index:(%ld,%ld,%ld)\n",
1883  db->db->error,db->db->arg1,db->db->arg2);
1884  return 0;
1885  }
1886 
1887  if (db->attributes.unique_subject
1888  && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1889  LHASH_HASH_FN(index_name),
1890  LHASH_COMP_FN(index_name)))
1891  {
1892  BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1893  db->db->error,db->db->arg1,db->db->arg2);
1894  return 0;
1895  }
1896  return 1;
1897  }
1898 
1899 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1900  {
1901  char buf[3][BSIZE];
1902  BIO *out = BIO_new(BIO_s_file());
1903  int j;
1904 
1905  if (out == NULL)
1906  {
1907  ERR_print_errors(bio_err);
1908  goto err;
1909  }
1910 
1911  j = strlen(dbfile) + strlen(suffix);
1912  if (j + 6 >= BSIZE)
1913  {
1914  BIO_printf(bio_err,"file name too long\n");
1915  goto err;
1916  }
1917 
1918 #ifndef OPENSSL_SYS_VMS
1919  j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1920 #else
1921  j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1922 #endif
1923 #ifndef OPENSSL_SYS_VMS
1924  j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1925 #else
1926  j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1927 #endif
1928 #ifndef OPENSSL_SYS_VMS
1929  j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1930 #else
1931  j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1932 #endif
1933 #ifdef RL_DEBUG
1934  BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1935 #endif
1936  if (BIO_write_filename(out,buf[0]) <= 0)
1937  {
1938  perror(dbfile);
1939  BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1940  goto err;
1941  }
1942  j=TXT_DB_write(out,db->db);
1943  if (j <= 0) goto err;
1944 
1945  BIO_free(out);
1946 
1947  out = BIO_new(BIO_s_file());
1948 #ifdef RL_DEBUG
1949  BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1950 #endif
1951  if (BIO_write_filename(out,buf[1]) <= 0)
1952  {
1953  perror(buf[2]);
1954  BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1955  goto err;
1956  }
1957  BIO_printf(out,"unique_subject = %s\n",
1958  db->attributes.unique_subject ? "yes" : "no");
1959  BIO_free(out);
1960 
1961  return 1;
1962  err:
1963  return 0;
1964  }
1965 
1966 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1967  {
1968  char buf[5][BSIZE];
1969  int i,j;
1970 
1971  i = strlen(dbfile) + strlen(old_suffix);
1972  j = strlen(dbfile) + strlen(new_suffix);
1973  if (i > j) j = i;
1974  if (j + 6 >= BSIZE)
1975  {
1976  BIO_printf(bio_err,"file name too long\n");
1977  goto err;
1978  }
1979 
1980 #ifndef OPENSSL_SYS_VMS
1981  j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1982 #else
1983  j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1984 #endif
1985 #ifndef OPENSSL_SYS_VMS
1986  j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1987  dbfile, new_suffix);
1988 #else
1989  j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1990  dbfile, new_suffix);
1991 #endif
1992 #ifndef OPENSSL_SYS_VMS
1993  j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1994  dbfile, new_suffix);
1995 #else
1996  j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1997  dbfile, new_suffix);
1998 #endif
1999 #ifndef OPENSSL_SYS_VMS
2000  j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
2001  dbfile, old_suffix);
2002 #else
2003  j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
2004  dbfile, old_suffix);
2005 #endif
2006 #ifndef OPENSSL_SYS_VMS
2007  j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
2008  dbfile, old_suffix);
2009 #else
2010  j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
2011  dbfile, old_suffix);
2012 #endif
2013 #ifdef RL_DEBUG
2014  BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2015  dbfile, buf[1]);
2016 #endif
2017  if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
2018 #ifdef ENOTDIR
2019  && errno != ENOTDIR
2020 #endif
2021  ) {
2022  BIO_printf(bio_err,
2023  "unable to rename %s to %s\n",
2024  dbfile, buf[1]);
2025  perror("reason");
2026  goto err;
2027  }
2028 #ifdef RL_DEBUG
2029  BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2030  buf[0],dbfile);
2031 #endif
2032  if (rename(buf[0],dbfile) < 0)
2033  {
2034  BIO_printf(bio_err,
2035  "unable to rename %s to %s\n",
2036  buf[0],dbfile);
2037  perror("reason");
2038  rename(buf[1],dbfile);
2039  goto err;
2040  }
2041 #ifdef RL_DEBUG
2042  BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2043  buf[4],buf[3]);
2044 #endif
2045  if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
2046 #ifdef ENOTDIR
2047  && errno != ENOTDIR
2048 #endif
2049  ) {
2050  BIO_printf(bio_err,
2051  "unable to rename %s to %s\n",
2052  buf[4], buf[3]);
2053  perror("reason");
2054  rename(dbfile,buf[0]);
2055  rename(buf[1],dbfile);
2056  goto err;
2057  }
2058 #ifdef RL_DEBUG
2059  BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2060  buf[2],buf[4]);
2061 #endif
2062  if (rename(buf[2],buf[4]) < 0)
2063  {
2064  BIO_printf(bio_err,
2065  "unable to rename %s to %s\n",
2066  buf[2],buf[4]);
2067  perror("reason");
2068  rename(buf[3],buf[4]);
2069  rename(dbfile,buf[0]);
2070  rename(buf[1],dbfile);
2071  goto err;
2072  }
2073  return 1;
2074  err:
2075  return 0;
2076  }
2077 
2078 void free_index(CA_DB *db)
2079  {
2080  if (db)
2081  {
2082  if (db->db) TXT_DB_free(db->db);
2083  OPENSSL_free(db);
2084  }
2085  }
2086 
2087 int parse_yesno(const char *str, int def)
2088  {
2089  int ret = def;
2090  if (str)
2091  {
2092  switch (*str)
2093  {
2094  case 'f': /* false */
2095  case 'F': /* FALSE */
2096  case 'n': /* no */
2097  case 'N': /* NO */
2098  case '0': /* 0 */
2099  ret = 0;
2100  break;
2101  case 't': /* true */
2102  case 'T': /* TRUE */
2103  case 'y': /* yes */
2104  case 'Y': /* YES */
2105  case '1': /* 1 */
2106  ret = 1;
2107  break;
2108  default:
2109  ret = def;
2110  break;
2111  }
2112  }
2113  return ret;
2114  }
2115 
2116 /*
2117  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2118  * where characters may be escaped by \
2119  */
2120 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2121  {
2122  size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2123  char *buf = OPENSSL_malloc(buflen);
2124  size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2125  char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2126  char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2127  int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2128 
2129  char *sp = subject, *bp = buf;
2130  int i, ne_num = 0;
2131 
2132  X509_NAME *n = NULL;
2133  int nid;
2134 
2135  if (!buf || !ne_types || !ne_values)
2136  {
2137  BIO_printf(bio_err, "malloc error\n");
2138  goto error;
2139  }
2140 
2141  if (*subject != '/')
2142  {
2143  BIO_printf(bio_err, "Subject does not start with '/'.\n");
2144  goto error;
2145  }
2146  sp++; /* skip leading / */
2147 
2148  /* no multivalued RDN by default */
2149  mval[ne_num] = 0;
2150 
2151  while (*sp)
2152  {
2153  /* collect type */
2154  ne_types[ne_num] = bp;
2155  while (*sp)
2156  {
2157  if (*sp == '\\') /* is there anything to escape in the type...? */
2158  {
2159  if (*++sp)
2160  *bp++ = *sp++;
2161  else
2162  {
2163  BIO_printf(bio_err, "escape character at end of string\n");
2164  goto error;
2165  }
2166  }
2167  else if (*sp == '=')
2168  {
2169  sp++;
2170  *bp++ = '\0';
2171  break;
2172  }
2173  else
2174  *bp++ = *sp++;
2175  }
2176  if (!*sp)
2177  {
2178  BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2179  goto error;
2180  }
2181  ne_values[ne_num] = bp;
2182  while (*sp)
2183  {
2184  if (*sp == '\\')
2185  {
2186  if (*++sp)
2187  *bp++ = *sp++;
2188  else
2189  {
2190  BIO_printf(bio_err, "escape character at end of string\n");
2191  goto error;
2192  }
2193  }
2194  else if (*sp == '/')
2195  {
2196  sp++;
2197  /* no multivalued RDN by default */
2198  mval[ne_num+1] = 0;
2199  break;
2200  }
2201  else if (*sp == '+' && multirdn)
2202  {
2203  /* a not escaped + signals a mutlivalued RDN */
2204  sp++;
2205  mval[ne_num+1] = -1;
2206  break;
2207  }
2208  else
2209  *bp++ = *sp++;
2210  }
2211  *bp++ = '\0';
2212  ne_num++;
2213  }
2214 
2215  if (!(n = X509_NAME_new()))
2216  goto error;
2217 
2218  for (i = 0; i < ne_num; i++)
2219  {
2220  if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2221  {
2222  BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2223  continue;
2224  }
2225 
2226  if (!*ne_values[i])
2227  {
2228  BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2229  continue;
2230  }
2231 
2232  if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2233  goto error;
2234  }
2235 
2236  OPENSSL_free(ne_values);
2237  OPENSSL_free(ne_types);
2238  OPENSSL_free(buf);
2239  return n;
2240 
2241 error:
2242  X509_NAME_free(n);
2243  if (ne_values)
2244  OPENSSL_free(ne_values);
2245  if (ne_types)
2246  OPENSSL_free(ne_types);
2247  if (buf)
2248  OPENSSL_free(buf);
2249  return NULL;
2250 }
2251 
2252 int args_verify(char ***pargs, int *pargc,
2253  int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2254  {
2255  ASN1_OBJECT *otmp = NULL;
2256  unsigned long flags = 0;
2257  int i;
2258  int purpose = 0, depth = -1;
2259  char **oldargs = *pargs;
2260  char *arg = **pargs, *argn = (*pargs)[1];
2261  time_t at_time = 0;
2262  if (!strcmp(arg, "-policy"))
2263  {
2264  if (!argn)
2265  *badarg = 1;
2266  else
2267  {
2268  otmp = OBJ_txt2obj(argn, 0);
2269  if (!otmp)
2270  {
2271  BIO_printf(err, "Invalid Policy \"%s\"\n",
2272  argn);
2273  *badarg = 1;
2274  }
2275  }
2276  (*pargs)++;
2277  }
2278  else if (strcmp(arg,"-purpose") == 0)
2279  {
2280  X509_PURPOSE *xptmp;
2281  if (!argn)
2282  *badarg = 1;
2283  else
2284  {
2285  i = X509_PURPOSE_get_by_sname(argn);
2286  if(i < 0)
2287  {
2288  BIO_printf(err, "unrecognized purpose\n");
2289  *badarg = 1;
2290  }
2291  else
2292  {
2293  xptmp = X509_PURPOSE_get0(i);
2294  purpose = X509_PURPOSE_get_id(xptmp);
2295  }
2296  }
2297  (*pargs)++;
2298  }
2299  else if (strcmp(arg,"-verify_depth") == 0)
2300  {
2301  if (!argn)
2302  *badarg = 1;
2303  else
2304  {
2305  depth = atoi(argn);
2306  if(depth < 0)
2307  {
2308  BIO_printf(err, "invalid depth\n");
2309  *badarg = 1;
2310  }
2311  }
2312  (*pargs)++;
2313  }
2314  else if (strcmp(arg,"-attime") == 0)
2315  {
2316  if (!argn)
2317  *badarg = 1;
2318  else
2319  {
2320  long timestamp;
2321  /* interpret the -attime argument as seconds since
2322  * Epoch */
2323  if (sscanf(argn, "%li", &timestamp) != 1)
2324  {
2325  BIO_printf(bio_err,
2326  "Error parsing timestamp %s\n",
2327  argn);
2328  *badarg = 1;
2329  }
2330  /* on some platforms time_t may be a float */
2331  at_time = (time_t) timestamp;
2332  }
2333  (*pargs)++;
2334  }
2335  else if (!strcmp(arg, "-ignore_critical"))
2336  flags |= X509_V_FLAG_IGNORE_CRITICAL;
2337  else if (!strcmp(arg, "-issuer_checks"))
2338  flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2339  else if (!strcmp(arg, "-crl_check"))
2340  flags |= X509_V_FLAG_CRL_CHECK;
2341  else if (!strcmp(arg, "-crl_check_all"))
2342  flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2343  else if (!strcmp(arg, "-policy_check"))
2344  flags |= X509_V_FLAG_POLICY_CHECK;
2345  else if (!strcmp(arg, "-explicit_policy"))
2346  flags |= X509_V_FLAG_EXPLICIT_POLICY;
2347  else if (!strcmp(arg, "-inhibit_any"))
2348  flags |= X509_V_FLAG_INHIBIT_ANY;
2349  else if (!strcmp(arg, "-inhibit_map"))
2350  flags |= X509_V_FLAG_INHIBIT_MAP;
2351  else if (!strcmp(arg, "-x509_strict"))
2352  flags |= X509_V_FLAG_X509_STRICT;
2353  else if (!strcmp(arg, "-extended_crl"))
2354  flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2355  else if (!strcmp(arg, "-use_deltas"))
2356  flags |= X509_V_FLAG_USE_DELTAS;
2357  else if (!strcmp(arg, "-policy_print"))
2358  flags |= X509_V_FLAG_NOTIFY_POLICY;
2359  else if (!strcmp(arg, "-check_ss_sig"))
2360  flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2361  else
2362  return 0;
2363 
2364  if (*badarg)
2365  {
2366  if (*pm)
2367  X509_VERIFY_PARAM_free(*pm);
2368  *pm = NULL;
2369  goto end;
2370  }
2371 
2372  if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2373  {
2374  *badarg = 1;
2375  goto end;
2376  }
2377 
2378  if (otmp)
2379  X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2380  if (flags)
2381  X509_VERIFY_PARAM_set_flags(*pm, flags);
2382 
2383  if (purpose)
2384  X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2385 
2386  if (depth >= 0)
2387  X509_VERIFY_PARAM_set_depth(*pm, depth);
2388 
2389  if (at_time)
2390  X509_VERIFY_PARAM_set_time(*pm, at_time);
2391 
2392  end:
2393 
2394  (*pargs)++;
2395 
2396  if (pargc)
2397  *pargc -= *pargs - oldargs;
2398 
2399  return 1;
2400 
2401  }
2402 
2403 /* Read whole contents of a BIO into an allocated memory buffer and
2404  * return it.
2405  */
2406 
2407 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2408  {
2409  BIO *mem;
2410  int len, ret;
2411  unsigned char tbuf[1024];
2412  mem = BIO_new(BIO_s_mem());
2413  if (!mem)
2414  return -1;
2415  for(;;)
2416  {
2417  if ((maxlen != -1) && maxlen < 1024)
2418  len = maxlen;
2419  else
2420  len = 1024;
2421  len = BIO_read(in, tbuf, len);
2422  if (len <= 0)
2423  break;
2424  if (BIO_write(mem, tbuf, len) != len)
2425  {
2426  BIO_free(mem);
2427  return -1;
2428  }
2429  maxlen -= len;
2430 
2431  if (maxlen == 0)
2432  break;
2433  }
2434  ret = BIO_get_mem_data(mem, (char **)out);
2435  BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2436  BIO_free(mem);
2437  return ret;
2438  }
2439 
2440 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2441  {
2442  int rv;
2443  char *stmp, *vtmp = NULL;
2444  stmp = BUF_strdup(value);
2445  if (!stmp)
2446  return -1;
2447  vtmp = strchr(stmp, ':');
2448  if (vtmp)
2449  {
2450  *vtmp = 0;
2451  vtmp++;
2452  }
2453  rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2454  OPENSSL_free(stmp);
2455  return rv;
2456  }
2457 
2458 static void nodes_print(BIO *out, const char *name,
2459  STACK_OF(X509_POLICY_NODE) *nodes)
2460  {
2461  X509_POLICY_NODE *node;
2462  int i;
2463  BIO_printf(out, "%s Policies:", name);
2464  if (nodes)
2465  {
2466  BIO_puts(out, "\n");
2467  for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2468  {
2469  node = sk_X509_POLICY_NODE_value(nodes, i);
2470  X509_POLICY_NODE_print(out, node, 2);
2471  }
2472  }
2473  else
2474  BIO_puts(out, " <empty>\n");
2475  }
2476 
2477 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2478  {
2479  X509_POLICY_TREE *tree;
2480  int explicit_policy;
2481  int free_out = 0;
2482  if (out == NULL)
2483  {
2484  out = BIO_new_fp(stderr, BIO_NOCLOSE);
2485  free_out = 1;
2486  }
2487  tree = X509_STORE_CTX_get0_policy_tree(ctx);
2488  explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2489 
2490  BIO_printf(out, "Require explicit Policy: %s\n",
2491  explicit_policy ? "True" : "False");
2492 
2493  nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2494  nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2495  if (free_out)
2496  BIO_free(out);
2497  }
2498 
2499 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2500 
2501 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2502  const char *secret)
2503  {
2504  BIGNUM *p = NULL;
2505  BIGNUM *g = NULL;
2506  BIGNUM *q = NULL;
2507  BIGNUM *bnsecret = BN_new();
2508  JPAKE_CTX *ctx;
2509 
2510  /* Use a safe prime for p (that we found earlier) */
2511  BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2512  g = BN_new();
2513  BN_set_word(g, 2);
2514  q = BN_new();
2515  BN_rshift1(q, p);
2516 
2517  BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2518 
2519  ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2520  BN_free(bnsecret);
2521  BN_free(q);
2522  BN_free(g);
2523  BN_free(p);
2524 
2525  return ctx;
2526  }
2527 
2528 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2529  {
2530  BN_print(conn, p->gx);
2531  BIO_puts(conn, "\n");
2532  BN_print(conn, p->zkpx.gr);
2533  BIO_puts(conn, "\n");
2534  BN_print(conn, p->zkpx.b);
2535  BIO_puts(conn, "\n");
2536  }
2537 
2538 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2539  {
2540  JPAKE_STEP1 s1;
2541 
2542  JPAKE_STEP1_init(&s1);
2543  JPAKE_STEP1_generate(&s1, ctx);
2544  jpake_send_part(bconn, &s1.p1);
2545  jpake_send_part(bconn, &s1.p2);
2546  (void)BIO_flush(bconn);
2547  JPAKE_STEP1_release(&s1);
2548  }
2549 
2550 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2551  {
2552  JPAKE_STEP2 s2;
2553 
2554  JPAKE_STEP2_init(&s2);
2555  JPAKE_STEP2_generate(&s2, ctx);
2556  jpake_send_part(bconn, &s2);
2557  (void)BIO_flush(bconn);
2558  JPAKE_STEP2_release(&s2);
2559  }
2560 
2561 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2562  {
2563  JPAKE_STEP3A s3a;
2564 
2565  JPAKE_STEP3A_init(&s3a);
2566  JPAKE_STEP3A_generate(&s3a, ctx);
2567  BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2568  (void)BIO_flush(bconn);
2569  JPAKE_STEP3A_release(&s3a);
2570  }
2571 
2572 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2573  {
2574  JPAKE_STEP3B s3b;
2575 
2576  JPAKE_STEP3B_init(&s3b);
2577  JPAKE_STEP3B_generate(&s3b, ctx);
2578  BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2579  (void)BIO_flush(bconn);
2580  JPAKE_STEP3B_release(&s3b);
2581  }
2582 
2583 static void readbn(BIGNUM **bn, BIO *bconn)
2584  {
2585  char buf[10240];
2586  int l;
2587 
2588  l = BIO_gets(bconn, buf, sizeof buf);
2589  assert(l > 0);
2590  assert(buf[l-1] == '\n');
2591  buf[l-1] = '\0';
2592  BN_hex2bn(bn, buf);
2593  }
2594 
2595 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2596  {
2597  readbn(&p->gx, bconn);
2598  readbn(&p->zkpx.gr, bconn);
2599  readbn(&p->zkpx.b, bconn);
2600  }
2601 
2602 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2603  {
2604  JPAKE_STEP1 s1;
2605 
2606  JPAKE_STEP1_init(&s1);
2607  jpake_receive_part(&s1.p1, bconn);
2608  jpake_receive_part(&s1.p2, bconn);
2609  if(!JPAKE_STEP1_process(ctx, &s1))
2610  {
2611  ERR_print_errors(bio_err);
2612  exit(1);
2613  }
2614  JPAKE_STEP1_release(&s1);
2615  }
2616 
2617 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2618  {
2619  JPAKE_STEP2 s2;
2620 
2621  JPAKE_STEP2_init(&s2);
2622  jpake_receive_part(&s2, bconn);
2623  if(!JPAKE_STEP2_process(ctx, &s2))
2624  {
2625  ERR_print_errors(bio_err);
2626  exit(1);
2627  }
2628  JPAKE_STEP2_release(&s2);
2629  }
2630 
2631 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2632  {
2633  JPAKE_STEP3A s3a;
2634  int l;
2635 
2636  JPAKE_STEP3A_init(&s3a);
2637  l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2638  assert(l == sizeof s3a.hhk);
2639  if(!JPAKE_STEP3A_process(ctx, &s3a))
2640  {
2641  ERR_print_errors(bio_err);
2642  exit(1);
2643  }
2644  JPAKE_STEP3A_release(&s3a);
2645  }
2646 
2647 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2648  {
2649  JPAKE_STEP3B s3b;
2650  int l;
2651 
2652  JPAKE_STEP3B_init(&s3b);
2653  l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2654  assert(l == sizeof s3b.hk);
2655  if(!JPAKE_STEP3B_process(ctx, &s3b))
2656  {
2657  ERR_print_errors(bio_err);
2658  exit(1);
2659  }
2660  JPAKE_STEP3B_release(&s3b);
2661  }
2662 
2663 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2664  {
2665  JPAKE_CTX *ctx;
2666  BIO *bconn;
2667 
2668  BIO_puts(out, "Authenticating with JPAKE\n");
2669 
2670  ctx = jpake_init("client", "server", secret);
2671 
2672  bconn = BIO_new(BIO_f_buffer());
2673  BIO_push(bconn, conn);
2674 
2675  jpake_send_step1(bconn, ctx);
2676  jpake_receive_step1(ctx, bconn);
2677  jpake_send_step2(bconn, ctx);
2678  jpake_receive_step2(ctx, bconn);
2679  jpake_send_step3a(bconn, ctx);
2680  jpake_receive_step3b(ctx, bconn);
2681 
2682  BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2683 
2684  psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2685 
2686  BIO_pop(bconn);
2687  BIO_free(bconn);
2688 
2689  JPAKE_CTX_free(ctx);
2690  }
2691 
2692 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2693  {
2694  JPAKE_CTX *ctx;
2695  BIO *bconn;
2696 
2697  BIO_puts(out, "Authenticating with JPAKE\n");
2698 
2699  ctx = jpake_init("server", "client", secret);
2700 
2701  bconn = BIO_new(BIO_f_buffer());
2702  BIO_push(bconn, conn);
2703 
2704  jpake_receive_step1(ctx, bconn);
2705  jpake_send_step1(bconn, ctx);
2706  jpake_receive_step2(ctx, bconn);
2707  jpake_send_step2(bconn, ctx);
2708  jpake_receive_step3a(ctx, bconn);
2709  jpake_send_step3b(bconn, ctx);
2710 
2711  BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2712 
2713  psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2714 
2715  BIO_pop(bconn);
2716  BIO_free(bconn);
2717 
2718  JPAKE_CTX_free(ctx);
2719  }
2720 
2721 #endif
2722 
2723 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2724 /* next_protos_parse parses a comma separated list of strings into a string
2725  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2726  * outlen: (output) set to the length of the resulting buffer on success.
2727  * err: (maybe NULL) on failure, an error message line is written to this BIO.
2728  * in: a NUL termianted string like "abc,def,ghi"
2729  *
2730  * returns: a malloced buffer or NULL on failure.
2731  */
2732 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2733  {
2734  size_t len;
2735  unsigned char *out;
2736  size_t i, start = 0;
2737 
2738  len = strlen(in);
2739  if (len >= 65535)
2740  return NULL;
2741 
2742  out = OPENSSL_malloc(strlen(in) + 1);
2743  if (!out)
2744  return NULL;
2745 
2746  for (i = 0; i <= len; ++i)
2747  {
2748  if (i == len || in[i] == ',')
2749  {
2750  if (i - start > 255)
2751  {
2752  OPENSSL_free(out);
2753  return NULL;
2754  }
2755  out[start] = i - start;
2756  start = i + 1;
2757  }
2758  else
2759  out[i+1] = in[i];
2760  }
2761 
2762  *outlen = len + 1;
2763  return out;
2764  }
2765 #endif /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */
2766 
2767 /*
2768  * Platform-specific sections
2769  */
2770 #if defined(_WIN32)
2771 # ifdef fileno
2772 # undef fileno
2773 # define fileno(a) (int)_fileno(a)
2774 # endif
2775 
2776 # include <windows.h>
2777 # include <tchar.h>
2778 
2779 static int WIN32_rename(const char *from, const char *to)
2780  {
2781  TCHAR *tfrom=NULL,*tto;
2782  DWORD err;
2783  int ret=0;
2784 
2785  if (sizeof(TCHAR) == 1)
2786  {
2787  tfrom = (TCHAR *)from;
2788  tto = (TCHAR *)to;
2789  }
2790  else /* UNICODE path */
2791  {
2792  size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2793  tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2794  if (tfrom==NULL) goto err;
2795  tto=tfrom+flen;
2796 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2797  if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2798 #endif
2799  for (i=0;i<flen;i++) tfrom[i]=(TCHAR)from[i];
2800 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2801  if (!MultiByteToWideChar(CP_ACP,0,to, tlen,(WCHAR *)tto, tlen))
2802 #endif
2803  for (i=0;i<tlen;i++) tto[i] =(TCHAR)to[i];
2804  }
2805 
2806  if (MoveFile(tfrom,tto)) goto ok;
2807  err=GetLastError();
2808  if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2809  {
2810  if (DeleteFile(tto) && MoveFile(tfrom,tto))
2811  goto ok;
2812  err=GetLastError();
2813  }
2814  if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2815  errno = ENOENT;
2816  else if (err==ERROR_ACCESS_DENIED)
2817  errno = EACCES;
2818  else
2819  errno = EINVAL; /* we could map more codes... */
2820 err:
2821  ret=-1;
2822 ok:
2823  if (tfrom!=NULL && tfrom!=(TCHAR *)from) free(tfrom);
2824  return ret;
2825  }
2826 #endif
2827 
2828 /* app_tminterval section */
2829 #if defined(_WIN32)
2830 double app_tminterval(int stop,int usertime)
2831  {
2832  FILETIME now;
2833  double ret=0;
2834  static ULARGE_INTEGER tmstart;
2835  static int warning=1;
2836 #ifdef _WIN32_WINNT
2837  static HANDLE proc=NULL;
2838 
2839  if (proc==NULL)
2840  {
2841  if (GetVersion() < 0x80000000)
2842  proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2843  GetCurrentProcessId());
2844  if (proc==NULL) proc = (HANDLE)-1;
2845  }
2846 
2847  if (usertime && proc!=(HANDLE)-1)
2848  {
2849  FILETIME junk;
2850  GetProcessTimes(proc,&junk,&junk,&junk,&now);
2851  }
2852  else
2853 #endif
2854  {
2855  SYSTEMTIME systime;
2856 
2857  if (usertime && warning)
2858  {
2859  BIO_printf(bio_err,"To get meaningful results, run "
2860  "this program on idle system.\n");
2861  warning=0;
2862  }
2863  GetSystemTime(&systime);
2864  SystemTimeToFileTime(&systime,&now);
2865  }
2866 
2867  if (stop==TM_START)
2868  {
2869  tmstart.u.LowPart = now.dwLowDateTime;
2870  tmstart.u.HighPart = now.dwHighDateTime;
2871  }
2872  else {
2873  ULARGE_INTEGER tmstop;
2874 
2875  tmstop.u.LowPart = now.dwLowDateTime;
2876  tmstop.u.HighPart = now.dwHighDateTime;
2877 
2878  ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2879  }
2880 
2881  return (ret);
2882  }
2883 
2884 #elif defined(OPENSSL_SYS_NETWARE)
2885 #include <time.h>
2886 
2887 double app_tminterval(int stop,int usertime)
2888  {
2889  double ret=0;
2890  static clock_t tmstart;
2891  static int warning=1;
2892 
2893  if (usertime && warning)
2894  {
2895  BIO_printf(bio_err,"To get meaningful results, run "
2896  "this program on idle system.\n");
2897  warning=0;
2898  }
2899 
2900  if (stop==TM_START) tmstart = clock();
2901  else ret = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
2902 
2903  return (ret);
2904  }
2905 
2906 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2907 #include <time.h>
2908 
2909 double app_tminterval(int stop,int usertime)
2910  {
2911  double ret=0;
2912 #ifdef CLOCK_REALTIME
2913  static struct timespec tmstart;
2914  struct timespec now;
2915 #else
2916  static unsigned long tmstart;
2917  unsigned long now;
2918 #endif
2919  static int warning=1;
2920 
2921  if (usertime && warning)
2922  {
2923  BIO_printf(bio_err,"To get meaningful results, run "
2924  "this program on idle system.\n");
2925  warning=0;
2926  }
2927 
2928 #ifdef CLOCK_REALTIME
2929  clock_gettime(CLOCK_REALTIME,&now);
2930  if (stop==TM_START) tmstart = now;
2931  else ret = ( (now.tv_sec+now.tv_nsec*1e-9)
2932  - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
2933 #else
2934  now = tickGet();
2935  if (stop==TM_START) tmstart = now;
2936  else ret = (now - tmstart)/(double)sysClkRateGet();
2937 #endif
2938  return (ret);
2939  }
2940 
2941 #elif defined(OPENSSL_SYSTEM_VMS)
2942 #include <time.h>
2943 #include <times.h>
2944 
2945 double app_tminterval(int stop,int usertime)
2946  {
2947  static clock_t tmstart;
2948  double ret = 0;
2949  clock_t now;
2950 #ifdef __TMS
2951  struct tms rus;
2952 
2953  now = times(&rus);
2954  if (usertime) now = rus.tms_utime;
2955 #else
2956  if (usertime)
2957  now = clock(); /* sum of user and kernel times */
2958  else {
2959  struct timeval tv;
2960  gettimeofday(&tv,NULL);
2961  now = (clock_t)(
2962  (unsigned long long)tv.tv_sec*CLK_TCK +
2963  (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
2964  );
2965  }
2966 #endif
2967  if (stop==TM_START) tmstart = now;
2968  else ret = (now - tmstart)/(double)(CLK_TCK);
2969 
2970  return (ret);
2971  }
2972 
2973 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2974 #include <sys/times.h>
2975 
2976 double app_tminterval(int stop,int usertime)
2977  {
2978  double ret = 0;
2979  struct tms rus;
2980  clock_t now = times(&rus);
2981  static clock_t tmstart;
2982 
2983  if (usertime) now = rus.tms_utime;
2984 
2985  if (stop==TM_START) tmstart = now;
2986  else
2987  {
2988  long int tck = sysconf(_SC_CLK_TCK);
2989  ret = (now - tmstart)/(double)tck;
2990  }
2991 
2992  return (ret);
2993  }
2994 
2995 #else
2996 #include <sys/time.h>
2997 #include <sys/resource.h>
2998 
2999 double app_tminterval(int stop,int usertime)
3000  {
3001  double ret = 0;
3002  struct rusage rus;
3003  struct timeval now;
3004  static struct timeval tmstart;
3005 
3006  if (usertime) getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
3007  else gettimeofday(&now,NULL);
3008 
3009  if (stop==TM_START) tmstart = now;
3010  else ret = ( (now.tv_sec+now.tv_usec*1e-6)
3011  - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
3012 
3013  return ret;
3014  }
3015 #endif
3016 
3017 /* app_isdir section */
3018 #ifdef _WIN32
3019 int app_isdir(const char *name)
3020  {
3021  HANDLE hList;
3022  WIN32_FIND_DATA FileData;
3023 #if defined(UNICODE) || defined(_UNICODE)
3024  size_t i, len_0 = strlen(name)+1;
3025 
3026  if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
3027  return -1;
3028 
3029 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3030  if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
3031 #endif
3032  for (i=0;i<len_0;i++)
3033  FileData.cFileName[i] = (WCHAR)name[i];
3034 
3035  hList = FindFirstFile(FileData.cFileName,&FileData);
3036 #else
3037  hList = FindFirstFile(name,&FileData);
3038 #endif
3039  if (hList == INVALID_HANDLE_VALUE) return -1;
3040  FindClose(hList);
3041  return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
3042  }
3043 #else
3044 #include <sys/stat.h>
3045 #ifndef S_ISDIR
3046 # if defined(_S_IFMT) && defined(_S_IFDIR)
3047 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
3048 # else
3049 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
3050 # endif
3051 #endif
3052 
3053 int app_isdir(const char *name)
3054  {
3055 #if defined(S_ISDIR)
3056  struct stat st;
3057 
3058  if (stat(name,&st)==0) return S_ISDIR(st.st_mode);
3059  else return -1;
3060 #else
3061  return -1;
3062 #endif
3063  }
3064 #endif
3065 
3066 /* raw_read|write section */
3067 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3068 int raw_read_stdin(void *buf,int siz)
3069  {
3070  DWORD n;
3071  if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
3072  return (n);
3073  else return (-1);
3074  }
3075 #else
3076 int raw_read_stdin(void *buf,int siz)
3077  { return read(fileno(stdin),buf,siz); }
3078 #endif
3079 
3080 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3081 int raw_write_stdout(const void *buf,int siz)
3082  {
3083  DWORD n;
3084  if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
3085  return (n);
3086  else return (-1);
3087  }
3088 #else
3089 int raw_write_stdout(const void *buf,int siz)
3090  { return write(fileno(stdout),buf,siz); }
3091 #endif
Generated on Thu Jan 10 2013 09:53:32 for OpenSSL by   doxygen 1.8.2