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srp.c
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1 /* apps/srp.c */
2 /* Written by Peter Sylvester ([email protected])
3  * for the EdelKey project and contributed to the OpenSSL project 2004.
4  */
5 /* ====================================================================
6  * Copyright (c) 2004 The OpenSSL Project. All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * 3. All advertising materials mentioning features or use of this
21  * software must display the following acknowledgment:
22  * "This product includes software developed by the OpenSSL Project
23  * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24  *
25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26  * endorse or promote products derived from this software without
27  * prior written permission. For written permission, please contact
28  * [email protected].
29  *
30  * 5. Products derived from this software may not be called "OpenSSL"
31  * nor may "OpenSSL" appear in their names without prior written
32  * permission of the OpenSSL Project.
33  *
34  * 6. Redistributions of any form whatsoever must retain the following
35  * acknowledgment:
36  * "This product includes software developed by the OpenSSL Project
37  * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38  *
39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50  * OF THE POSSIBILITY OF SUCH DAMAGE.
51  * ====================================================================
52  *
53  * This product includes cryptographic software written by Eric Young
54  * ([email protected]). This product includes software written by Tim
55  * Hudson ([email protected]).
56  *
57  */
58 #include <openssl/opensslconf.h>
59 
60 #ifndef OPENSSL_NO_SRP
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <openssl/conf.h>
65 #include <openssl/bio.h>
66 #include <openssl/err.h>
67 #include <openssl/txt_db.h>
68 #include <openssl/buffer.h>
69 #include <openssl/srp.h>
70 
71 #include "apps.h"
72 
73 #undef PROG
74 #define PROG srp_main
75 
76 #define BASE_SECTION "srp"
77 #define CONFIG_FILE "openssl.cnf"
78 
79 #define ENV_RANDFILE "RANDFILE"
80 
81 #define ENV_DATABASE "srpvfile"
82 #define ENV_DEFAULT_SRP "default_srp"
83 
84 static char *srp_usage[]={
85 "usage: srp [args] [user] \n",
86 "\n",
87 " -verbose Talk alot while doing things\n",
88 " -config file A config file\n",
89 " -name arg The particular srp definition to use\n",
90 " -srpvfile arg The srp verifier file name\n",
91 " -add add an user and srp verifier\n",
92 " -modify modify the srp verifier of an existing user\n",
93 " -delete delete user from verifier file\n",
94 " -list list user\n",
95 " -gn arg g and N values to be used for new verifier\n",
96 " -userinfo arg additional info to be set for user\n",
97 " -passin arg input file pass phrase source\n",
98 " -passout arg output file pass phrase source\n",
99 #ifndef OPENSSL_NO_ENGINE
100 " -engine e - use engine e, possibly a hardware device.\n",
101 #endif
102 NULL
103 };
104 
105 #ifdef EFENCE
106 extern int EF_PROTECT_FREE;
107 extern int EF_PROTECT_BELOW;
108 extern int EF_ALIGNMENT;
109 #endif
110 
111 static CONF *conf=NULL;
112 static char *section=NULL;
113 
114 #define VERBOSE if (verbose)
115 #define VVERBOSE if (verbose>1)
116 
117 
118 int MAIN(int, char **);
119 
120 static int get_index(CA_DB *db, char* id, char type)
121  {
122  char ** pp;
123  int i;
124  if (id == NULL) return -1;
125  if (type == DB_SRP_INDEX)
126  for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
127  {
128  pp = (char **)sk_OPENSSL_PSTRING_value(db->db->data, i);
129  if (pp[DB_srptype][0] == DB_SRP_INDEX && !strcmp(id, pp[DB_srpid]))
130  return i;
131  }
132  else for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
133  {
134  pp = (char **)sk_OPENSSL_PSTRING_value(db->db->data, i);
135 
136  if (pp[DB_srptype][0] != DB_SRP_INDEX && !strcmp(id,pp[DB_srpid]))
137  return i;
138  }
139 
140  return -1 ;
141  }
142 
143 static void print_entry(CA_DB *db, BIO *bio, int indx, int verbose, char *s)
144  {
145  if (indx >= 0 && verbose)
146  {
147  int j;
148  char **pp = (char **)sk_OPENSSL_PSTRING_value(db->db->data, indx);
149  BIO_printf(bio, "%s \"%s\"\n", s, pp[DB_srpid]);
150  for (j = 0; j < DB_NUMBER; j++)
151  {
152  BIO_printf(bio_err," %d = \"%s\"\n", j, pp[j]);
153  }
154  }
155  }
156 
157 static void print_index(CA_DB *db, BIO *bio, int indexindex, int verbose)
158  {
159  print_entry(db, bio, indexindex, verbose, "g N entry") ;
160  }
161 
162 static void print_user(CA_DB *db, BIO *bio, int userindex, int verbose)
163  {
164  if (verbose > 0)
165  {
166  char **pp = (char **)sk_OPENSSL_PSTRING_value(db->db->data, userindex);
167 
168  if (pp[DB_srptype][0] != 'I')
169  {
170  print_entry(db, bio, userindex, verbose, "User entry");
171  print_entry(db, bio, get_index(db, pp[DB_srpgN], 'I'), verbose, "g N entry");
172  }
173 
174  }
175  }
176 
177 static int update_index(CA_DB *db, BIO *bio, char **row)
178  {
179  char ** irow;
180  int i;
181 
182  if ((irow=(char **)OPENSSL_malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
183  {
184  BIO_printf(bio_err,"Memory allocation failure\n");
185  return 0;
186  }
187 
188  for (i=0; i<DB_NUMBER; i++)
189  {
190  irow[i]=row[i];
191  row[i]=NULL;
192  }
193  irow[DB_NUMBER]=NULL;
194 
195  if (!TXT_DB_insert(db->db,irow))
196  {
197  BIO_printf(bio,"failed to update srpvfile\n");
198  BIO_printf(bio,"TXT_DB error number %ld\n",db->db->error);
199  OPENSSL_free(irow);
200  return 0;
201  }
202  return 1;
203  }
204 
205 static void lookup_fail(const char *name, char *tag)
206  {
207  BIO_printf(bio_err,"variable lookup failed for %s::%s\n",name,tag);
208  }
209 
210 
211 static char *srp_verify_user(const char *user, const char *srp_verifier,
212  char *srp_usersalt, const char *g, const char *N,
213  const char *passin, BIO *bio, int verbose)
214  {
215  char password[1024];
216  PW_CB_DATA cb_tmp;
217  char *verifier = NULL;
218  char *gNid = NULL;
219 
220  cb_tmp.prompt_info = user;
221  cb_tmp.password = passin;
222 
223  if (password_callback(password, 1024, 0, &cb_tmp) >0)
224  {
225  VERBOSE BIO_printf(bio,"Validating\n user=\"%s\"\n srp_verifier=\"%s\"\n srp_usersalt=\"%s\"\n g=\"%s\"\n N=\"%s\"\n",user,srp_verifier,srp_usersalt, g, N);
226  BIO_printf(bio, "Pass %s\n", password);
227 
228  if (!(gNid=SRP_create_verifier(user, password, &srp_usersalt, &verifier, N, g)))
229  {
230  BIO_printf(bio, "Internal error validating SRP verifier\n");
231  }
232  else
233  {
234  if (strcmp(verifier, srp_verifier))
235  gNid = NULL;
236  OPENSSL_free(verifier);
237  }
238  }
239  return gNid;
240  }
241 
242 static char *srp_create_user(char *user, char **srp_verifier,
243  char **srp_usersalt, char *g, char *N,
244  char *passout, BIO *bio, int verbose)
245  {
246  char password[1024];
247  PW_CB_DATA cb_tmp;
248  char *gNid = NULL;
249  char *salt = NULL;
250  cb_tmp.prompt_info = user;
251  cb_tmp.password = passout;
252 
253  if (password_callback(password,1024,1,&cb_tmp) >0)
254  {
255  VERBOSE BIO_printf(bio,"Creating\n user=\"%s\"\n g=\"%s\"\n N=\"%s\"\n",user,g,N);
256  if (!(gNid =SRP_create_verifier(user, password, &salt, srp_verifier, N, g)))
257  {
258  BIO_printf(bio,"Internal error creating SRP verifier\n");
259  }
260  else
261  *srp_usersalt = salt;
262  VVERBOSE BIO_printf(bio,"gNid=%s salt =\"%s\"\n verifier =\"%s\"\n", gNid,salt, *srp_verifier);
263 
264  }
265  return gNid;
266  }
267 
268 int MAIN(int argc, char **argv)
269  {
270  int add_user = 0;
271  int list_user= 0;
272  int delete_user= 0;
273  int modify_user= 0;
274  char * user = NULL;
275 
276  char *passargin = NULL, *passargout = NULL;
277  char *passin = NULL, *passout = NULL;
278  char * gN = NULL;
279  int gNindex = -1;
280  char ** gNrow = NULL;
281  int maxgN = -1;
282 
283  char * userinfo = NULL;
284 
285  int badops=0;
286  int ret=1;
287  int errors=0;
288  int verbose=0;
289  int doupdatedb=0;
290  char *configfile=NULL;
291  char *dbfile=NULL;
292  CA_DB *db=NULL;
293  char **pp ;
294  int i;
295  long errorline = -1;
296  char *randfile=NULL;
297 #ifndef OPENSSL_NO_ENGINE
298  char *engine = NULL;
299 #endif
300  char *tofree=NULL;
301  DB_ATTR db_attr;
302 
303 #ifdef EFENCE
304 EF_PROTECT_FREE=1;
305 EF_PROTECT_BELOW=1;
306 EF_ALIGNMENT=0;
307 #endif
308 
309  apps_startup();
310 
311  conf = NULL;
312  section = NULL;
313 
314  if (bio_err == NULL)
315  if ((bio_err=BIO_new(BIO_s_file())) != NULL)
316  BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
317 
318  argc--;
319  argv++;
320  while (argc >= 1 && badops == 0)
321  {
322  if (strcmp(*argv,"-verbose") == 0)
323  verbose++;
324  else if (strcmp(*argv,"-config") == 0)
325  {
326  if (--argc < 1) goto bad;
327  configfile= *(++argv);
328  }
329  else if (strcmp(*argv,"-name") == 0)
330  {
331  if (--argc < 1) goto bad;
332  section= *(++argv);
333  }
334  else if (strcmp(*argv,"-srpvfile") == 0)
335  {
336  if (--argc < 1) goto bad;
337  dbfile= *(++argv);
338  }
339  else if (strcmp(*argv,"-add") == 0)
340  add_user=1;
341  else if (strcmp(*argv,"-delete") == 0)
342  delete_user=1;
343  else if (strcmp(*argv,"-modify") == 0)
344  modify_user=1;
345  else if (strcmp(*argv,"-list") == 0)
346  list_user=1;
347  else if (strcmp(*argv,"-gn") == 0)
348  {
349  if (--argc < 1) goto bad;
350  gN= *(++argv);
351  }
352  else if (strcmp(*argv,"-userinfo") == 0)
353  {
354  if (--argc < 1) goto bad;
355  userinfo= *(++argv);
356  }
357  else if (strcmp(*argv,"-passin") == 0)
358  {
359  if (--argc < 1) goto bad;
360  passargin= *(++argv);
361  }
362  else if (strcmp(*argv,"-passout") == 0)
363  {
364  if (--argc < 1) goto bad;
365  passargout= *(++argv);
366  }
367 #ifndef OPENSSL_NO_ENGINE
368  else if (strcmp(*argv,"-engine") == 0)
369  {
370  if (--argc < 1) goto bad;
371  engine= *(++argv);
372  }
373 #endif
374 
375  else if (**argv == '-')
376  {
377 bad:
378  BIO_printf(bio_err,"unknown option %s\n",*argv);
379  badops=1;
380  break;
381  }
382  else
383  break;
384 
385  argc--;
386  argv++;
387  }
388 
389  if (dbfile && configfile)
390  {
391  BIO_printf(bio_err,"-dbfile and -configfile cannot be specified together.\n");
392  badops = 1;
393  }
394  if (add_user+delete_user+modify_user+list_user != 1)
395  {
396  BIO_printf(bio_err,"Exactly one of the options -add, -delete, -modify -list must be specified.\n");
397  badops = 1;
398  }
399  if (delete_user+modify_user+delete_user== 1 && argc <= 0)
400  {
401  BIO_printf(bio_err,"Need at least one user for options -add, -delete, -modify. \n");
402  badops = 1;
403  }
404  if ((passin || passout) && argc != 1 )
405  {
406  BIO_printf(bio_err,"-passin, -passout arguments only valid with one user.\n");
407  badops = 1;
408  }
409 
410  if (badops)
411  {
412  for (pp=srp_usage; (*pp != NULL); pp++)
413  BIO_printf(bio_err,"%s",*pp);
414 
415  BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
416  BIO_printf(bio_err," load the file (or the files in the directory) into\n");
417  BIO_printf(bio_err," the random number generator\n");
418  goto err;
419  }
420 
421  ERR_load_crypto_strings();
422 
423 #ifndef OPENSSL_NO_ENGINE
424  setup_engine(bio_err, engine, 0);
425 #endif
426 
427  if(!app_passwd(bio_err, passargin, passargout, &passin, &passout))
428  {
429  BIO_printf(bio_err, "Error getting passwords\n");
430  goto err;
431  }
432 
433  if (!dbfile)
434  {
435 
436 
437  /*****************************************************************/
438  tofree=NULL;
439  if (configfile == NULL) configfile = getenv("OPENSSL_CONF");
440  if (configfile == NULL) configfile = getenv("SSLEAY_CONF");
441  if (configfile == NULL)
442  {
443  const char *s=X509_get_default_cert_area();
444  size_t len;
445 
446 #ifdef OPENSSL_SYS_VMS
447  len = strlen(s)+sizeof(CONFIG_FILE);
448  tofree=OPENSSL_malloc(len);
449  strcpy(tofree,s);
450 #else
451  len = strlen(s)+sizeof(CONFIG_FILE)+1;
452  tofree=OPENSSL_malloc(len);
453  BUF_strlcpy(tofree,s,len);
454  BUF_strlcat(tofree,"/",len);
455 #endif
456  BUF_strlcat(tofree,CONFIG_FILE,len);
457  configfile=tofree;
458  }
459 
460  VERBOSE BIO_printf(bio_err,"Using configuration from %s\n",configfile);
461  conf = NCONF_new(NULL);
462  if (NCONF_load(conf,configfile,&errorline) <= 0)
463  {
464  if (errorline <= 0)
465  BIO_printf(bio_err,"error loading the config file '%s'\n",
466  configfile);
467  else
468  BIO_printf(bio_err,"error on line %ld of config file '%s'\n"
469  ,errorline,configfile);
470  goto err;
471  }
472  if(tofree)
473  {
474  OPENSSL_free(tofree);
475  tofree = NULL;
476  }
477 
478  if (!load_config(bio_err, conf))
479  goto err;
480 
481  /* Lets get the config section we are using */
482  if (section == NULL)
483  {
484  VERBOSE BIO_printf(bio_err,"trying to read " ENV_DEFAULT_SRP " in \" BASE_SECTION \"\n");
485 
486  section=NCONF_get_string(conf,BASE_SECTION,ENV_DEFAULT_SRP);
487  if (section == NULL)
488  {
489  lookup_fail(BASE_SECTION,ENV_DEFAULT_SRP);
490  goto err;
491  }
492  }
493 
494  if (randfile == NULL && conf)
495  randfile = NCONF_get_string(conf, BASE_SECTION, "RANDFILE");
496 
497 
498  VERBOSE BIO_printf(bio_err,"trying to read " ENV_DATABASE " in section \"%s\"\n",section);
499 
500  if ((dbfile=NCONF_get_string(conf,section,ENV_DATABASE)) == NULL)
501  {
502  lookup_fail(section,ENV_DATABASE);
503  goto err;
504  }
505 
506  }
507  if (randfile == NULL)
508  ERR_clear_error();
509  else
510  app_RAND_load_file(randfile, bio_err, 0);
511 
512  VERBOSE BIO_printf(bio_err,"Trying to read SRP verifier file \"%s\"\n",dbfile);
513 
514  db = load_index(dbfile, &db_attr);
515  if (db == NULL) goto err;
516 
517  /* Lets check some fields */
518  for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
519  {
520  pp = (char **)sk_OPENSSL_PSTRING_value(db->db->data, i);
521 
522  if (pp[DB_srptype][0] == DB_SRP_INDEX)
523  {
524  maxgN = i;
525  if (gNindex < 0 && gN != NULL && !strcmp(gN, pp[DB_srpid]))
526  gNindex = i;
527 
528  print_index(db, bio_err, i, verbose > 1);
529  }
530  }
531 
532  VERBOSE BIO_printf(bio_err, "Database initialised\n");
533 
534  if (gNindex >= 0)
535  {
536  gNrow = (char **)sk_OPENSSL_PSTRING_value(db->db->data, gNindex);
537  print_entry(db, bio_err, gNindex, verbose > 1, "Default g and N") ;
538  }
539  else if (maxgN > 0 && !SRP_get_default_gN(gN))
540  {
541  BIO_printf(bio_err, "No g and N value for index \"%s\"\n", gN);
542  goto err;
543  }
544  else
545  {
546  VERBOSE BIO_printf(bio_err, "Database has no g N information.\n");
547  gNrow = NULL;
548  }
549 
550 
551  VVERBOSE BIO_printf(bio_err,"Starting user processing\n");
552 
553  if (argc > 0)
554  user = *(argv++) ;
555 
556  while (list_user || user)
557  {
558  int userindex = -1;
559  if (user)
560  VVERBOSE BIO_printf(bio_err, "Processing user \"%s\"\n", user);
561  if ((userindex = get_index(db, user, 'U')) >= 0)
562  {
563  print_user(db, bio_err, userindex, (verbose > 0) || list_user);
564  }
565 
566  if (list_user)
567  {
568  if (user == NULL)
569  {
570  BIO_printf(bio_err,"List all users\n");
571 
572  for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
573  {
574  print_user(db,bio_err, i, 1);
575  }
576  list_user = 0;
577  }
578  else if (userindex < 0)
579  {
580  BIO_printf(bio_err, "user \"%s\" does not exist, ignored. t\n",
581  user);
582  errors++;
583  }
584  }
585  else if (add_user)
586  {
587  if (userindex >= 0)
588  {
589  /* reactivation of a new user */
590  char **row = (char **)sk_OPENSSL_PSTRING_value(db->db->data, userindex);
591  BIO_printf(bio_err, "user \"%s\" reactivated.\n", user);
592  row[DB_srptype][0] = 'V';
593 
594  doupdatedb = 1;
595  }
596  else
597  {
598  char *row[DB_NUMBER] ; char *gNid;
599  row[DB_srpverifier] = NULL;
600  row[DB_srpsalt] = NULL;
601  row[DB_srpinfo] = NULL;
602  if (!(gNid = srp_create_user(user,&(row[DB_srpverifier]), &(row[DB_srpsalt]),gNrow?gNrow[DB_srpsalt]:gN,gNrow?gNrow[DB_srpverifier]:NULL, passout, bio_err,verbose)))
603  {
604  BIO_printf(bio_err, "Cannot create srp verifier for user \"%s\", operation abandoned .\n", user);
605  errors++;
606  goto err;
607  }
608  row[DB_srpid] = BUF_strdup(user);
609  row[DB_srptype] = BUF_strdup("v");
610  row[DB_srpgN] = BUF_strdup(gNid);
611 
612  if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype] || !row[DB_srpverifier] || !row[DB_srpsalt] ||
613  (userinfo && (!(row[DB_srpinfo] = BUF_strdup(userinfo)))) ||
614  !update_index(db, bio_err, row))
615  {
616  if (row[DB_srpid]) OPENSSL_free(row[DB_srpid]);
617  if (row[DB_srpgN]) OPENSSL_free(row[DB_srpgN]);
618  if (row[DB_srpinfo]) OPENSSL_free(row[DB_srpinfo]);
619  if (row[DB_srptype]) OPENSSL_free(row[DB_srptype]);
620  if (row[DB_srpverifier]) OPENSSL_free(row[DB_srpverifier]);
621  if (row[DB_srpsalt]) OPENSSL_free(row[DB_srpsalt]);
622  goto err;
623  }
624  doupdatedb = 1;
625  }
626  }
627  else if (modify_user)
628  {
629  if (userindex < 0)
630  {
631  BIO_printf(bio_err,"user \"%s\" does not exist, operation ignored.\n",user);
632  errors++;
633  }
634  else
635  {
636 
637  char **row = (char **)sk_OPENSSL_PSTRING_value(db->db->data, userindex);
638  char type = row[DB_srptype][0];
639  if (type == 'v')
640  {
641  BIO_printf(bio_err,"user \"%s\" already updated, operation ignored.\n",user);
642  errors++;
643  }
644  else
645  {
646  char *gNid;
647 
648  if (row[DB_srptype][0] == 'V')
649  {
650  int user_gN;
651  char **irow = NULL;
652  VERBOSE BIO_printf(bio_err,"Verifying password for user \"%s\"\n",user);
653  if ( (user_gN = get_index(db, row[DB_srpgN], DB_SRP_INDEX)) >= 0)
654  irow = (char **)sk_OPENSSL_PSTRING_value(db->db->data, userindex);
655 
656  if (!srp_verify_user(user, row[DB_srpverifier], row[DB_srpsalt], irow ? irow[DB_srpsalt] : row[DB_srpgN], irow ? irow[DB_srpverifier] : NULL, passin, bio_err, verbose))
657  {
658  BIO_printf(bio_err, "Invalid password for user \"%s\", operation abandoned.\n", user);
659  errors++;
660  goto err;
661  }
662  }
663  VERBOSE BIO_printf(bio_err,"Password for user \"%s\" ok.\n",user);
664 
665  if (!(gNid=srp_create_user(user,&(row[DB_srpverifier]), &(row[DB_srpsalt]),gNrow?gNrow[DB_srpsalt]:NULL, gNrow?gNrow[DB_srpverifier]:NULL, passout, bio_err,verbose)))
666  {
667  BIO_printf(bio_err, "Cannot create srp verifier for user \"%s\", operation abandoned.\n", user);
668  errors++;
669  goto err;
670  }
671 
672  row[DB_srptype][0] = 'v';
673  row[DB_srpgN] = BUF_strdup(gNid);
674 
675  if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype] || !row[DB_srpverifier] || !row[DB_srpsalt] ||
676  (userinfo && (!(row[DB_srpinfo] = BUF_strdup(userinfo)))))
677  goto err;
678 
679  doupdatedb = 1;
680  }
681  }
682  }
683  else if (delete_user)
684  {
685  if (userindex < 0)
686  {
687  BIO_printf(bio_err, "user \"%s\" does not exist, operation ignored. t\n", user);
688  errors++;
689  }
690  else
691  {
692  char **xpp = (char **)sk_OPENSSL_PSTRING_value(db->db->data, userindex);
693  BIO_printf(bio_err, "user \"%s\" revoked. t\n", user);
694 
695  xpp[DB_srptype][0] = 'R';
696 
697  doupdatedb = 1;
698  }
699  }
700  if (--argc > 0)
701  user = *(argv++) ;
702  else
703  {
704  user = NULL;
705  list_user = 0;
706  }
707  }
708 
709  VERBOSE BIO_printf(bio_err,"User procession done.\n");
710 
711 
712  if (doupdatedb)
713  {
714  /* Lets check some fields */
715  for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
716  {
717  pp = (char **)sk_OPENSSL_PSTRING_value(db->db->data, i);
718 
719  if (pp[DB_srptype][0] == 'v')
720  {
721  pp[DB_srptype][0] = 'V';
722  print_user(db, bio_err, i, verbose);
723  }
724  }
725 
726  VERBOSE BIO_printf(bio_err, "Trying to update srpvfile.\n");
727  if (!save_index(dbfile, "new", db)) goto err;
728 
729  VERBOSE BIO_printf(bio_err, "Temporary srpvfile created.\n");
730  if (!rotate_index(dbfile, "new", "old")) goto err;
731 
732  VERBOSE BIO_printf(bio_err, "srpvfile updated.\n");
733  }
734 
735  ret = (errors != 0);
736 err:
737  if (errors != 0)
738  VERBOSE BIO_printf(bio_err,"User errors %d.\n",errors);
739 
740  VERBOSE BIO_printf(bio_err,"SRP terminating with code %d.\n",ret);
741  if(tofree)
742  OPENSSL_free(tofree);
743  if (ret) ERR_print_errors(bio_err);
744  if (randfile) app_RAND_write_file(randfile, bio_err);
745  if (conf) NCONF_free(conf);
746  if (db) free_index(db);
747 
748  OBJ_cleanup();
749  apps_shutdown();
750  OPENSSL_EXIT(ret);
751  }
752 
753 
754 
755 #endif
756 
Generated on Thu Jan 10 2013 09:53:33 for OpenSSL by   doxygen 1.8.2