srp.c revision 325337 
1/* apps/srp.c */
2/*
3 * Written by Peter Sylvester (peter.sylvester@edelweb.fr) for the EdelKey
4 * project and contributed to the OpenSSL project 2004.
5 */
6/* ====================================================================
7 * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com).  This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59#include <openssl/opensslconf.h>
60
61#ifndef OPENSSL_NO_SRP
62# include <stdio.h>
63# include <stdlib.h>
64# include <string.h>
65# include <openssl/conf.h>
66# include <openssl/bio.h>
67# include <openssl/err.h>
68# include <openssl/txt_db.h>
69# include <openssl/buffer.h>
70# include <openssl/srp.h>
71
72# include "apps.h"
73
74# undef PROG
75# define PROG srp_main
76
77# define BASE_SECTION    "srp"
78# define CONFIG_FILE "openssl.cnf"
79
80# define ENV_RANDFILE            "RANDFILE"
81
82# define ENV_DATABASE            "srpvfile"
83# define ENV_DEFAULT_SRP         "default_srp"
84
85static char *srp_usage[] = {
86    "usage: srp [args] [user] \n",
87    "\n",
88    " -verbose        Talk alot while doing things\n",
89    " -config file    A config file\n",
90    " -name arg       The particular srp definition to use\n",
91    " -srpvfile arg   The srp verifier file name\n",
92    " -add            add an user and srp verifier\n",
93    " -modify         modify the srp verifier of an existing user\n",
94    " -delete         delete user from verifier file\n",
95    " -list           list user\n",
96    " -gn arg         g and N values to be used for new verifier\n",
97    " -userinfo arg   additional info to be set for user\n",
98    " -passin arg     input file pass phrase source\n",
99    " -passout arg    output file pass phrase source\n",
100# ifndef OPENSSL_NO_ENGINE
101    " -engine e         - use engine e, possibly a hardware device.\n",
102# endif
103    NULL
104};
105
106# ifdef EFENCE
107extern int EF_PROTECT_FREE;
108extern int EF_PROTECT_BELOW;
109extern int EF_ALIGNMENT;
110# endif
111
112static CONF *conf = NULL;
113static char *section = NULL;
114
115# define VERBOSE if (verbose)
116# define VVERBOSE if (verbose>1)
117
118int MAIN(int, char **);
119
120static int get_index(CA_DB *db, char *id, char type)
121{
122    char **pp;
123    int i;
124    if (id == NULL)
125        return -1;
126    if (type == DB_SRP_INDEX) {
127        for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
128            pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
129            if (pp[DB_srptype][0] == DB_SRP_INDEX
130                && !strcmp(id, pp[DB_srpid]))
131                return i;
132        }
133    } else {
134        for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
135            pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
136
137            if (pp[DB_srptype][0] != DB_SRP_INDEX
138                && !strcmp(id, pp[DB_srpid]))
139                return i;
140        }
141    }
142
143    return -1;
144}
145
146static void print_entry(CA_DB *db, BIO *bio, int indx, int verbose, char *s)
147{
148    if (indx >= 0 && verbose) {
149        int j;
150        char **pp = sk_OPENSSL_PSTRING_value(db->db->data, indx);
151        BIO_printf(bio, "%s \"%s\"\n", s, pp[DB_srpid]);
152        for (j = 0; j < DB_NUMBER; j++) {
153            BIO_printf(bio_err, "  %d = \"%s\"\n", j, pp[j]);
154        }
155    }
156}
157
158static void print_index(CA_DB *db, BIO *bio, int indexindex, int verbose)
159{
160    print_entry(db, bio, indexindex, verbose, "g N entry");
161}
162
163static void print_user(CA_DB *db, BIO *bio, int userindex, int verbose)
164{
165    if (verbose > 0) {
166        char **pp = sk_OPENSSL_PSTRING_value(db->db->data, userindex);
167
168        if (pp[DB_srptype][0] != 'I') {
169            print_entry(db, bio, userindex, verbose, "User entry");
170            print_entry(db, bio, get_index(db, pp[DB_srpgN], 'I'), verbose,
171                        "g N entry");
172        }
173
174    }
175}
176
177static int update_index(CA_DB *db, BIO *bio, char **row)
178{
179    char **irow;
180    int i;
181
182    irow = (char **)OPENSSL_malloc(sizeof(char *) * (DB_NUMBER + 1));
183    if (irow == NULL) {
184        BIO_printf(bio_err, "Memory allocation failure\n");
185        return 0;
186    }
187
188    for (i = 0; i < DB_NUMBER; i++)
189        irow[i] = row[i];
190    irow[DB_NUMBER] = NULL;
191
192    if (!TXT_DB_insert(db->db, irow)) {
193        BIO_printf(bio, "failed to update srpvfile\n");
194        BIO_printf(bio, "TXT_DB error number %ld\n", db->db->error);
195        OPENSSL_free(irow);
196        return 0;
197    }
198    return 1;
199}
200
201static void lookup_fail(const char *name, char *tag)
202{
203    BIO_printf(bio_err, "variable lookup failed for %s::%s\n", name, tag);
204}
205
206static char *srp_verify_user(const char *user, const char *srp_verifier,
207                             char *srp_usersalt, const char *g, const char *N,
208                             const char *passin, BIO *bio, int verbose)
209{
210    char password[1025];
211    PW_CB_DATA cb_tmp;
212    char *verifier = NULL;
213    char *gNid = NULL;
214    int len;
215
216    cb_tmp.prompt_info = user;
217    cb_tmp.password = passin;
218
219    len = password_callback(password, sizeof(password)-1, 0, &cb_tmp);
220    if (len > 0) {
221        password[len] = 0;
222        VERBOSE BIO_printf(bio,
223                           "Validating\n   user=\"%s\"\n srp_verifier=\"%s\"\n srp_usersalt=\"%s\"\n g=\"%s\"\n N=\"%s\"\n",
224                           user, srp_verifier, srp_usersalt, g, N);
225        VVERBOSE BIO_printf(bio, "Pass %s\n", password);
226
227        if (!(gNid = SRP_create_verifier(user, password, &srp_usersalt,
228                                         &verifier, N, g))) {
229            BIO_printf(bio, "Internal error validating SRP verifier\n");
230        } else {
231            if (strcmp(verifier, srp_verifier))
232                gNid = NULL;
233            OPENSSL_free(verifier);
234        }
235        OPENSSL_cleanse(password, len);
236    }
237    return gNid;
238}
239
240static char *srp_create_user(char *user, char **srp_verifier,
241                             char **srp_usersalt, char *g, char *N,
242                             char *passout, BIO *bio, int verbose)
243{
244    char password[1025];
245    PW_CB_DATA cb_tmp;
246    char *gNid = NULL;
247    char *salt = NULL;
248    int len;
249    cb_tmp.prompt_info = user;
250    cb_tmp.password = passout;
251
252    len = password_callback(password, sizeof(password)-1, 1, &cb_tmp);
253    if (len > 0) {
254        password[len] = 0;
255        VERBOSE BIO_printf(bio,
256                           "Creating\n user=\"%s\"\n g=\"%s\"\n N=\"%s\"\n",
257                           user, g, N);
258        if (!(gNid = SRP_create_verifier(user, password, &salt,
259                                         srp_verifier, N, g))) {
260            BIO_printf(bio, "Internal error creating SRP verifier\n");
261        } else {
262            *srp_usersalt = salt;
263        }
264        OPENSSL_cleanse(password, len);
265        VVERBOSE BIO_printf(bio, "gNid=%s salt =\"%s\"\n verifier =\"%s\"\n",
266                            gNid, salt, *srp_verifier);
267
268    }
269    return gNid;
270}
271
272int MAIN(int argc, char **argv)
273{
274    int add_user = 0;
275    int list_user = 0;
276    int delete_user = 0;
277    int modify_user = 0;
278    char *user = NULL;
279
280    char *passargin = NULL, *passargout = NULL;
281    char *passin = NULL, *passout = NULL;
282    char *gN = NULL;
283    int gNindex = -1;
284    char **gNrow = NULL;
285    int maxgN = -1;
286
287    char *userinfo = NULL;
288
289    int badops = 0;
290    int ret = 1;
291    int errors = 0;
292    int verbose = 0;
293    int doupdatedb = 0;
294    char *configfile = NULL;
295    char *dbfile = NULL;
296    CA_DB *db = NULL;
297    char **pp;
298    int i;
299    long errorline = -1;
300    char *randfile = NULL;
301    ENGINE *e = NULL;
302    char *engine = NULL;
303    char *tofree = NULL;
304    DB_ATTR db_attr;
305
306# ifdef EFENCE
307    EF_PROTECT_FREE = 1;
308    EF_PROTECT_BELOW = 1;
309    EF_ALIGNMENT = 0;
310# endif
311
312    apps_startup();
313
314    conf = NULL;
315    section = NULL;
316
317    if (bio_err == NULL)
318        if ((bio_err = BIO_new(BIO_s_file())) != NULL)
319            BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
320
321    argc--;
322    argv++;
323    while (argc >= 1 && badops == 0) {
324        if (strcmp(*argv, "-verbose") == 0) {
325            verbose++;
326        } else if (strcmp(*argv, "-config") == 0) {
327            if (--argc < 1)
328                goto bad;
329            configfile = *(++argv);
330        } else if (strcmp(*argv, "-name") == 0) {
331            if (--argc < 1)
332                goto bad;
333            section = *(++argv);
334        } else if (strcmp(*argv, "-srpvfile") == 0) {
335            if (--argc < 1)
336                goto bad;
337            dbfile = *(++argv);
338        } else if (strcmp(*argv, "-add") == 0) {
339            add_user = 1;
340        } else if (strcmp(*argv, "-delete") == 0) {
341            delete_user = 1;
342        } else if (strcmp(*argv, "-modify") == 0) {
343            modify_user = 1;
344        } else if (strcmp(*argv, "-list") == 0) {
345            list_user = 1;
346        } else if (strcmp(*argv, "-gn") == 0) {
347            if (--argc < 1)
348                goto bad;
349            gN = *(++argv);
350        } else if (strcmp(*argv, "-userinfo") == 0) {
351            if (--argc < 1)
352                goto bad;
353            userinfo = *(++argv);
354        } else if (strcmp(*argv, "-passin") == 0) {
355            if (--argc < 1)
356                goto bad;
357            passargin = *(++argv);
358        } else if (strcmp(*argv, "-passout") == 0) {
359            if (--argc < 1)
360                goto bad;
361            passargout = *(++argv);
362        }
363# ifndef OPENSSL_NO_ENGINE
364        else if (strcmp(*argv, "-engine") == 0) {
365            if (--argc < 1)
366                goto bad;
367            engine = *(++argv);
368        }
369# endif
370
371        else if (**argv == '-') {
372 bad:
373            BIO_printf(bio_err, "unknown option %s\n", *argv);
374            badops = 1;
375            break;
376        } else {
377            break;
378        }
379
380        argc--;
381        argv++;
382    }
383
384    if (dbfile && configfile) {
385        BIO_printf(bio_err,
386                   "-dbfile and -configfile cannot be specified together.\n");
387        badops = 1;
388    }
389    if (add_user + delete_user + modify_user + list_user != 1) {
390        BIO_printf(bio_err,
391                   "Exactly one of the options -add, -delete, -modify -list must be specified.\n");
392        badops = 1;
393    }
394    if (delete_user + modify_user + delete_user == 1 && argc <= 0) {
395        BIO_printf(bio_err,
396                   "Need at least one user for options -add, -delete, -modify. \n");
397        badops = 1;
398    }
399    if ((passargin || passargout) && argc != 1) {
400        BIO_printf(bio_err,
401                   "-passin, -passout arguments only valid with one user.\n");
402        badops = 1;
403    }
404
405    if (badops) {
406        for (pp = srp_usage; (*pp != NULL); pp++)
407            BIO_printf(bio_err, "%s", *pp);
408
409        BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
410                   LIST_SEPARATOR_CHAR);
411        BIO_printf(bio_err,
412                   "                 load the file (or the files in the directory) into\n");
413        BIO_printf(bio_err, "                 the random number generator\n");
414        goto err;
415    }
416
417    ERR_load_crypto_strings();
418
419    e = setup_engine(bio_err, engine, 0);
420
421    if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
422        BIO_printf(bio_err, "Error getting passwords\n");
423        goto err;
424    }
425
426    if (!dbfile) {
427
428        /*****************************************************************/
429        tofree = NULL;
430        if (configfile == NULL)
431            configfile = getenv("OPENSSL_CONF");
432        if (configfile == NULL)
433            configfile = getenv("SSLEAY_CONF");
434        if (configfile == NULL) {
435            const char *s = X509_get_default_cert_area();
436            size_t len;
437
438# ifdef OPENSSL_SYS_VMS
439            len = strlen(s) + sizeof(CONFIG_FILE);
440            tofree = OPENSSL_malloc(len);
441            if (!tofree) {
442                BIO_printf(bio_err, "Out of memory\n");
443                goto err;
444            }
445            strcpy(tofree, s);
446# else
447            len = strlen(s) + sizeof(CONFIG_FILE) + 1;
448            tofree = OPENSSL_malloc(len);
449            if (!tofree) {
450                BIO_printf(bio_err, "Out of memory\n");
451                goto err;
452            }
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",
461                           configfile);
462        conf = NCONF_new(NULL);
463        if (NCONF_load(conf, configfile, &errorline) <= 0) {
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            OPENSSL_free(tofree);
474            tofree = NULL;
475        }
476
477        if (!load_config(bio_err, conf))
478            goto err;
479
480        /* Lets get the config section we are using */
481        if (section == NULL) {
482            VERBOSE BIO_printf(bio_err,
483                               "trying to read " ENV_DEFAULT_SRP
484                               " in \" BASE_SECTION \"\n");
485
486            section = NCONF_get_string(conf, BASE_SECTION, ENV_DEFAULT_SRP);
487            if (section == NULL) {
488                lookup_fail(BASE_SECTION, ENV_DEFAULT_SRP);
489                goto err;
490            }
491        }
492
493        if (randfile == NULL && conf)
494            randfile = NCONF_get_string(conf, BASE_SECTION, "RANDFILE");
495
496        VERBOSE BIO_printf(bio_err,
497                           "trying to read " ENV_DATABASE
498                           " in section \"%s\"\n", section);
499
500        if ((dbfile = NCONF_get_string(conf, section, ENV_DATABASE)) == NULL) {
501            lookup_fail(section, ENV_DATABASE);
502            goto err;
503        }
504
505    }
506    if (randfile == NULL)
507        ERR_clear_error();
508    else
509        app_RAND_load_file(randfile, bio_err, 0);
510
511    VERBOSE BIO_printf(bio_err, "Trying to read SRP verifier file \"%s\"\n",
512                       dbfile);
513
514    db = load_index(dbfile, &db_attr);
515    if (db == NULL)
516        goto err;
517
518    /* Lets check some fields */
519    for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
520        pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
521
522        if (pp[DB_srptype][0] == DB_SRP_INDEX) {
523            maxgN = i;
524            if (gNindex < 0 && gN != NULL && !strcmp(gN, pp[DB_srpid]))
525                gNindex = i;
526
527            print_index(db, bio_err, i, verbose > 1);
528        }
529    }
530
531    VERBOSE BIO_printf(bio_err, "Database initialised\n");
532
533    if (gNindex >= 0) {
534        gNrow = sk_OPENSSL_PSTRING_value(db->db->data, gNindex);
535        print_entry(db, bio_err, gNindex, verbose > 1, "Default g and N");
536    } else if (maxgN > 0 && !SRP_get_default_gN(gN)) {
537        BIO_printf(bio_err, "No g and N value for index \"%s\"\n", gN);
538        goto err;
539    } else {
540        VERBOSE BIO_printf(bio_err, "Database has no g N information.\n");
541        gNrow = NULL;
542    }
543
544    VVERBOSE BIO_printf(bio_err, "Starting user processing\n");
545
546    if (argc > 0)
547        user = *(argv++);
548
549    while (list_user || user) {
550        int userindex = -1;
551        if (user)
552            VVERBOSE BIO_printf(bio_err, "Processing user \"%s\"\n", user);
553        if ((userindex = get_index(db, user, 'U')) >= 0) {
554            print_user(db, bio_err, userindex, (verbose > 0) || list_user);
555        }
556
557        if (list_user) {
558            if (user == NULL) {
559                BIO_printf(bio_err, "List all users\n");
560
561                for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
562                    print_user(db, bio_err, i, 1);
563                }
564                list_user = 0;
565            } else if (userindex < 0) {
566                BIO_printf(bio_err,
567                           "user \"%s\" does not exist, ignored. t\n", user);
568                errors++;
569            }
570        } else if (add_user) {
571            if (userindex >= 0) {
572                /* reactivation of a new user */
573                char **row =
574                    sk_OPENSSL_PSTRING_value(db->db->data, userindex);
575                BIO_printf(bio_err, "user \"%s\" reactivated.\n", user);
576                row[DB_srptype][0] = 'V';
577
578                doupdatedb = 1;
579            } else {
580                char *row[DB_NUMBER];
581                char *gNid;
582                row[DB_srpverifier] = NULL;
583                row[DB_srpsalt] = NULL;
584                row[DB_srpinfo] = NULL;
585                if (!
586                    (gNid =
587                     srp_create_user(user, &(row[DB_srpverifier]),
588                                     &(row[DB_srpsalt]),
589                                     gNrow ? gNrow[DB_srpsalt] : gN,
590                                     gNrow ? gNrow[DB_srpverifier] : NULL,
591                                     passout, bio_err, verbose))) {
592                    BIO_printf(bio_err,
593                               "Cannot create srp verifier for user \"%s\", operation abandoned .\n",
594                               user);
595                    errors++;
596                    goto err;
597                }
598                row[DB_srpid] = BUF_strdup(user);
599                row[DB_srptype] = BUF_strdup("v");
600                row[DB_srpgN] = BUF_strdup(gNid);
601
602                if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype]
603                    || !row[DB_srpverifier] || !row[DB_srpsalt] || (userinfo
604                                                                    &&
605                                                                    (!(row
606                                                                       [DB_srpinfo]
607                                                                       =
608                                                                       BUF_strdup
609                                                                       (userinfo))))
610                    || !update_index(db, bio_err, row)) {
611                    if (row[DB_srpid])
612                        OPENSSL_free(row[DB_srpid]);
613                    if (row[DB_srpgN])
614                        OPENSSL_free(row[DB_srpgN]);
615                    if (row[DB_srpinfo])
616                        OPENSSL_free(row[DB_srpinfo]);
617                    if (row[DB_srptype])
618                        OPENSSL_free(row[DB_srptype]);
619                    if (row[DB_srpverifier])
620                        OPENSSL_free(row[DB_srpverifier]);
621                    if (row[DB_srpsalt])
622                        OPENSSL_free(row[DB_srpsalt]);
623                    goto err;
624                }
625                doupdatedb = 1;
626            }
627        } else if (modify_user) {
628            if (userindex < 0) {
629                BIO_printf(bio_err,
630                           "user \"%s\" does not exist, operation ignored.\n",
631                           user);
632                errors++;
633            } else {
634
635                char **row =
636                    sk_OPENSSL_PSTRING_value(db->db->data, userindex);
637                char type = row[DB_srptype][0];
638                if (type == 'v') {
639                    BIO_printf(bio_err,
640                               "user \"%s\" already updated, operation ignored.\n",
641                               user);
642                    errors++;
643                } else {
644                    char *gNid;
645
646                    if (row[DB_srptype][0] == 'V') {
647                        int user_gN;
648                        char **irow = NULL;
649                        VERBOSE BIO_printf(bio_err,
650                                           "Verifying password for user \"%s\"\n",
651                                           user);
652                        if ((user_gN =
653                             get_index(db, row[DB_srpgN], DB_SRP_INDEX)) >= 0)
654                            irow =
655                                (char **)sk_OPENSSL_PSTRING_value(db->
656                                                                  db->data,
657                                                                  userindex);
658
659                        if (!srp_verify_user
660                            (user, row[DB_srpverifier], row[DB_srpsalt],
661                             irow ? irow[DB_srpsalt] : row[DB_srpgN],
662                             irow ? irow[DB_srpverifier] : NULL, passin,
663                             bio_err, verbose)) {
664                            BIO_printf(bio_err,
665                                       "Invalid password for user \"%s\", operation abandoned.\n",
666                                       user);
667                            errors++;
668                            goto err;
669                        }
670                    }
671                    VERBOSE BIO_printf(bio_err,
672                                       "Password for user \"%s\" ok.\n",
673                                       user);
674
675                    if (!
676                        (gNid =
677                         srp_create_user(user, &(row[DB_srpverifier]),
678                                         &(row[DB_srpsalt]),
679                                         gNrow ? gNrow[DB_srpsalt] : NULL,
680                                         gNrow ? gNrow[DB_srpverifier] : NULL,
681                                         passout, bio_err, verbose))) {
682                        BIO_printf(bio_err,
683                                   "Cannot create srp verifier for user \"%s\", operation abandoned.\n",
684                                   user);
685                        errors++;
686                        goto err;
687                    }
688
689                    row[DB_srptype][0] = 'v';
690                    row[DB_srpgN] = BUF_strdup(gNid);
691
692                    if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype]
693                        || !row[DB_srpverifier] || !row[DB_srpsalt]
694                        || (userinfo
695                            && (!(row[DB_srpinfo] = BUF_strdup(userinfo)))))
696                        goto err;
697
698                    doupdatedb = 1;
699                }
700            }
701        } else if (delete_user) {
702            if (userindex < 0) {
703                BIO_printf(bio_err,
704                           "user \"%s\" does not exist, operation ignored. t\n",
705                           user);
706                errors++;
707            } else {
708                char **xpp =
709                    sk_OPENSSL_PSTRING_value(db->db->data, userindex);
710                BIO_printf(bio_err, "user \"%s\" revoked. t\n", user);
711
712                xpp[DB_srptype][0] = 'R';
713
714                doupdatedb = 1;
715            }
716        }
717        if (--argc > 0) {
718            user = *(argv++);
719        } else {
720            user = NULL;
721            list_user = 0;
722        }
723    }
724
725    VERBOSE BIO_printf(bio_err, "User procession done.\n");
726
727    if (doupdatedb) {
728        /* Lets check some fields */
729        for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
730            pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
731
732            if (pp[DB_srptype][0] == 'v') {
733                pp[DB_srptype][0] = 'V';
734                print_user(db, bio_err, i, verbose);
735            }
736        }
737
738        VERBOSE BIO_printf(bio_err, "Trying to update srpvfile.\n");
739        if (!save_index(dbfile, "new", db))
740            goto err;
741
742        VERBOSE BIO_printf(bio_err, "Temporary srpvfile created.\n");
743        if (!rotate_index(dbfile, "new", "old"))
744            goto err;
745
746        VERBOSE BIO_printf(bio_err, "srpvfile updated.\n");
747    }
748
749    ret = (errors != 0);
750 err:
751    if (errors != 0)
752        VERBOSE BIO_printf(bio_err, "User errors %d.\n", errors);
753
754    VERBOSE BIO_printf(bio_err, "SRP terminating with code %d.\n", ret);
755    if (tofree)
756        OPENSSL_free(tofree);
757    if (ret)
758        ERR_print_errors(bio_err);
759    if (randfile)
760        app_RAND_write_file(randfile, bio_err);
761    if (conf)
762        NCONF_free(conf);
763    if (db)
764        free_index(db);
765
766    release_engine(e);
767    OBJ_cleanup();
768    apps_shutdown();
769    OPENSSL_EXIT(ret);
770}
771
772#else
773static void *dummy = &dummy;
774#endif
775