-/* apps/srp.c */
-/* Written by Peter Sylvester (peter.sylvester@edelweb.fr)
- * for the EdelKey project and contributed to the OpenSSL project 2004.
- */
-/* ====================================================================
- * Copyright (c) 2004 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+/*
+ * Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright (c) 2004, EdelKey Project. All Rights Reserved.
*
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*
+ * Originally written by Christophe Renou and Peter Sylvester,
+ * for the EdelKey project.
*/
-#include <openssl/opensslconf.h>
-
-#ifndef OPENSSL_NO_SRP
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <openssl/conf.h>
-#include <openssl/bio.h>
-#include <openssl/err.h>
-#include <openssl/txt_db.h>
-#include <openssl/buffer.h>
-#include <openssl/srp.h>
-
-#include "apps.h"
-
-#undef PROG
-#define PROG srp_main
-
-#define BASE_SECTION "srp"
-#define CONFIG_FILE "openssl.cnf"
-
-#define ENV_RANDFILE "RANDFILE"
-
-#define ENV_DATABASE "srpvfile"
-#define ENV_DEFAULT_SRP "default_srp"
-
-static char *srp_usage[]={
-"usage: srp [args] [user] \n",
-"\n",
-" -verbose Talk alot while doing things\n",
-" -config file A config file\n",
-" -name arg The particular srp definition to use\n",
-" -srpvfile arg The srp verifier file name\n",
-" -add add an user and srp verifier\n",
-" -modify modify the srp verifier of an existing user\n",
-" -delete delete user from verifier file\n",
-" -list list user\n",
-" -gn arg g and N values to be used for new verifier\n",
-" -userinfo arg additional info to be set for user\n",
-" -passin arg input file pass phrase source\n",
-" -passout arg output file pass phrase source\n",
-#ifndef OPENSSL_NO_ENGINE
-" -engine e - use engine e, possibly a hardware device.\n",
-#endif
-NULL
-};
-
-#ifdef EFENCE
-extern int EF_PROTECT_FREE;
-extern int EF_PROTECT_BELOW;
-extern int EF_ALIGNMENT;
-#endif
-
-static CONF *conf=NULL;
-static char *section=NULL;
-
-#define VERBOSE if (verbose)
-#define VVERBOSE if (verbose>1)
-
-
-int MAIN(int, char **);
-
-static int get_index(CA_DB *db, char* id, char type)
- {
- char ** pp;
- int i;
- if (id == NULL) return -1;
- if (type == DB_SRP_INDEX)
- for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
- {
- pp=sk_OPENSSL_PSTRING_value(db->db->data,i);
- if (pp[DB_srptype][0] == DB_SRP_INDEX && !strcmp(id,pp[DB_srpid]))
- return i;
- }
- else for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
- {
- pp=sk_OPENSSL_PSTRING_value(db->db->data,i);
-
- if (pp[DB_srptype][0] != DB_SRP_INDEX && !strcmp(id,pp[DB_srpid]))
- return i;
- }
-
- return -1 ;
- }
-
-static void print_entry(CA_DB *db, BIO * bio, int index, int verbose, char * s)
- {
- if (index >= 0 && verbose)
- {
- int j;
- char **pp=sk_OPENSSL_PSTRING_value(db->db->data,index);
- BIO_printf(bio,"%s \"%s\"\n",s,pp[DB_srpid]);
- for (j = 0; j < DB_NUMBER; j++)
- {
- BIO_printf(bio_err," %d = \"%s\"\n",j,pp[j]);
- }
- }
- }
-
-static void print_index(CA_DB *db, BIO * bio, int indexindex, int verbose)
- {
- print_entry(db,bio,indexindex, verbose, "g N entry") ;
- }
-
-static void print_user(CA_DB *db, BIO * bio, int userindex, int verbose)
- {
- if (verbose > 0)
- {
- char **pp= sk_OPENSSL_PSTRING_value(db->db->data,userindex);
-
- if (pp[DB_srptype][0] != 'I')
- {
- print_entry(db,bio,userindex, verbose, "User entry");
- print_entry(db,bio,get_index(db, pp[DB_srpgN],'I'),verbose,"g N entry") ;
- }
-
- }
- }
-
-static int update_index(CA_DB *db, BIO * bio, char ** row)
- {
- char ** irow;
- int i;
-
- if ((irow=(char **)OPENSSL_malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
- {
- BIO_printf(bio_err,"Memory allocation failure\n");
- return 0;
- }
-
- for (i=0; i<DB_NUMBER; i++)
- {
- irow[i]=row[i];
- row[i]=NULL;
- }
- irow[DB_NUMBER]=NULL;
-
- if (!TXT_DB_insert(db->db,irow))
- {
- BIO_printf(bio,"failed to update srpvfile\n");
- BIO_printf(bio,"TXT_DB error number %ld\n",db->db->error);
- OPENSSL_free(irow);
- return 0;
- }
- return 1;
- }
-
-static void lookup_fail(const char *name, const char *tag)
- {
- BIO_printf(bio_err,"variable lookup failed for %s::%s\n",name,tag);
- }
-
-static char *srp_verify_user(const char *user, const char *srp_verifier,
- char *srp_usersalt, const char *g,
- const char * N, const char *passin, BIO *bio,
- int verbose)
- {
- char password[1024];
- PW_CB_DATA cb_tmp;
- char *verifier = NULL;
- char *gNid = NULL;
-
- cb_tmp.prompt_info = user;
- cb_tmp.password = passin;
-
- if (password_callback(password, 1024, 0, &cb_tmp) >0)
- {
- 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);
- BIO_printf(bio,"Pass %s\n",password);
-
- OPENSSL_assert(srp_usersalt != NULL);
- if (!(gNid=SRP_create_verifier(user, password, &srp_usersalt, &verifier,
- N, g)))
- {
- BIO_printf(bio,"Internal error validating SRP verifier\n");
- }
- else
- {
- if (strcmp(verifier, srp_verifier))
- gNid = NULL;
- OPENSSL_free(verifier);
- }
- }
- return gNid;
- }
-
-static char *srp_create_user(char * user, char **srp_verifier,
- char **srp_usersalt,char *g, char *N,
- char *passout, BIO *bio, int verbose)
- {
- char password[1024];
- PW_CB_DATA cb_tmp;
- char *gNid = NULL;
- char *salt = NULL;
- cb_tmp.prompt_info = user;
- cb_tmp.password = passout;
-
- if (password_callback(password,1024,1,&cb_tmp) >0)
- {
- VERBOSE BIO_printf(bio,"Creating\n user=\"%s\"\n g=\"%s\"\n N=\"%s\"\n",user,g,N);
- if (!(gNid =SRP_create_verifier(user, password, &salt, srp_verifier, N, g)))
- {
- BIO_printf(bio,"Internal error creating SRP verifier\n");
- }
- else
- *srp_usersalt = salt;
- VVERBOSE BIO_printf(bio,"gNid=%s salt =\"%s\"\n verifier =\"%s\"\n", gNid,salt, *srp_verifier);
-
- }
- return gNid;
- }
-
-int MAIN(int argc, char **argv)
- {
- int add_user = 0;
- int list_user= 0;
- int delete_user= 0;
- int modify_user= 0;
- char * user = NULL;
-
- char *passargin = NULL, *passargout = NULL;
- char *passin = NULL, *passout = NULL;
- char * gN = NULL;
- int gNindex = -1;
- char ** gNrow = NULL;
- int maxgN = -1;
-
- char * userinfo = NULL;
-
- int badops=0;
- int ret=1;
- int errors=0;
- int verbose=0;
- int doupdatedb=0;
- char *configfile=NULL;
- char *dbfile=NULL;
- CA_DB *db=NULL;
- char **pp ;
- int i;
- long errorline = -1;
- char *randfile=NULL;
-#ifndef OPENSSL_NO_ENGINE
- char *engine = NULL;
-#endif
- char *tofree=NULL;
- DB_ATTR db_attr;
-
-#ifdef EFENCE
-EF_PROTECT_FREE=1;
-EF_PROTECT_BELOW=1;
-EF_ALIGNMENT=0;
-#endif
-
- apps_startup();
-
- conf = NULL;
- section = NULL;
-
- if (bio_err == NULL)
- if ((bio_err=BIO_new(BIO_s_file())) != NULL)
- BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
-
- argc--;
- argv++;
- while (argc >= 1 && badops == 0)
- {
- if (strcmp(*argv,"-verbose") == 0)
- verbose++;
- else if (strcmp(*argv,"-config") == 0)
- {
- if (--argc < 1) goto bad;
- configfile= *(++argv);
- }
- else if (strcmp(*argv,"-name") == 0)
- {
- if (--argc < 1) goto bad;
- section= *(++argv);
- }
- else if (strcmp(*argv,"-srpvfile") == 0)
- {
- if (--argc < 1) goto bad;
- dbfile= *(++argv);
- }
- else if (strcmp(*argv,"-add") == 0)
- add_user=1;
- else if (strcmp(*argv,"-delete") == 0)
- delete_user=1;
- else if (strcmp(*argv,"-modify") == 0)
- modify_user=1;
- else if (strcmp(*argv,"-list") == 0)
- list_user=1;
- else if (strcmp(*argv,"-gn") == 0)
- {
- if (--argc < 1) goto bad;
- gN= *(++argv);
- }
- else if (strcmp(*argv,"-userinfo") == 0)
- {
- if (--argc < 1) goto bad;
- userinfo= *(++argv);
- }
- else if (strcmp(*argv,"-passin") == 0)
- {
- if (--argc < 1) goto bad;
- passargin= *(++argv);
- }
- else if (strcmp(*argv,"-passout") == 0)
- {
- if (--argc < 1) goto bad;
- passargout= *(++argv);
- }
-#ifndef OPENSSL_NO_ENGINE
- else if (strcmp(*argv,"-engine") == 0)
- {
- if (--argc < 1) goto bad;
- engine= *(++argv);
- }
-#endif
-
- else if (**argv == '-')
- {
-bad:
- BIO_printf(bio_err,"unknown option %s\n",*argv);
- badops=1;
- break;
- }
- else
- break;
-
- argc--;
- argv++;
- }
-
- if (dbfile && configfile)
- {
- BIO_printf(bio_err,"-dbfile and -configfile cannot be specified together.\n");
- badops = 1;
- }
- if (add_user+delete_user+modify_user+list_user != 1)
- {
- BIO_printf(bio_err,"Exactly one of the options -add, -delete, -modify -list must be specified.\n");
- badops = 1;
- }
- if (delete_user+modify_user+delete_user== 1 && argc <= 0)
- {
- BIO_printf(bio_err,"Need at least one user for options -add, -delete, -modify. \n");
- badops = 1;
- }
- if ((passin || passout) && argc != 1 )
- {
- BIO_printf(bio_err,"-passin, -passout arguments only valid with one user.\n");
- badops = 1;
- }
-
- if (badops)
- {
- for (pp=srp_usage; (*pp != NULL); pp++)
- BIO_printf(bio_err,"%s",*pp);
-
- BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
- BIO_printf(bio_err," load the file (or the files in the directory) into\n");
- BIO_printf(bio_err," the random number generator\n");
- goto err;
- }
-
- ERR_load_crypto_strings();
-
-#ifndef OPENSSL_NO_ENGINE
- setup_engine(bio_err, engine, 0);
-#endif
-
- if(!app_passwd(bio_err, passargin, passargout, &passin, &passout))
- {
- BIO_printf(bio_err, "Error getting passwords\n");
- goto err;
- }
-
- if (!dbfile)
- {
-
-
- /*****************************************************************/
- tofree=NULL;
- if (configfile == NULL) configfile = getenv("OPENSSL_CONF");
- if (configfile == NULL) configfile = getenv("SSLEAY_CONF");
- if (configfile == NULL)
- {
- const char *s=X509_get_default_cert_area();
- size_t len;
-
-#ifdef OPENSSL_SYS_VMS
- len = strlen(s)+sizeof(CONFIG_FILE);
- tofree=OPENSSL_malloc(len);
- strcpy(tofree,s);
+#include <openssl/opensslconf.h>
+#ifdef OPENSSL_NO_SRP
+NON_EMPTY_TRANSLATION_UNIT
#else
- len = strlen(s)+sizeof(CONFIG_FILE)+1;
- tofree=OPENSSL_malloc(len);
- BUF_strlcpy(tofree,s,len);
- BUF_strlcat(tofree,"/",len);
-#endif
- BUF_strlcat(tofree,CONFIG_FILE,len);
- configfile=tofree;
- }
-
- VERBOSE BIO_printf(bio_err,"Using configuration from %s\n",configfile);
- conf = NCONF_new(NULL);
- if (NCONF_load(conf,configfile,&errorline) <= 0)
- {
- if (errorline <= 0)
- BIO_printf(bio_err,"error loading the config file '%s'\n",
- configfile);
- else
- BIO_printf(bio_err,"error on line %ld of config file '%s'\n"
- ,errorline,configfile);
- goto err;
- }
- if(tofree)
- {
- OPENSSL_free(tofree);
- tofree = NULL;
- }
-
- if (!load_config(bio_err, conf))
- goto err;
-
- /* Lets get the config section we are using */
- if (section == NULL)
- {
- VERBOSE BIO_printf(bio_err,"trying to read " ENV_DEFAULT_SRP " in \" BASE_SECTION \"\n");
-
- section=NCONF_get_string(conf,BASE_SECTION,ENV_DEFAULT_SRP);
- if (section == NULL)
- {
- lookup_fail(BASE_SECTION,ENV_DEFAULT_SRP);
- goto err;
- }
- }
-
- if (randfile == NULL && conf)
- randfile = NCONF_get_string(conf, BASE_SECTION, "RANDFILE");
-
-
- VERBOSE BIO_printf(bio_err,"trying to read " ENV_DATABASE " in section \"%s\"\n",section);
-
- if ((dbfile=NCONF_get_string(conf,section,ENV_DATABASE)) == NULL)
- {
- lookup_fail(section,ENV_DATABASE);
- goto err;
- }
-
- }
- if (randfile == NULL)
- ERR_clear_error();
- else
- app_RAND_load_file(randfile, bio_err, 0);
-
- VERBOSE BIO_printf(bio_err,"Trying to read SRP verifier file \"%s\"\n",dbfile);
-
- db = load_index(dbfile, &db_attr);
- if (db == NULL) goto err;
-
- /* Lets check some fields */
- for (i=0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
- {
- pp=sk_OPENSSL_PSTRING_value(db->db->data, i);
-
- if (pp[DB_srptype][0] == DB_SRP_INDEX)
- {
- maxgN = i;
- if (gNindex < 0 && gN != NULL && !strcmp(gN, pp[DB_srpid]))
- gNindex = i;
-
- print_index(db, bio_err, i, verbose > 1) ;
- }
- }
-
- VERBOSE BIO_printf(bio_err,"Database initialised\n");
-
- if (gNindex >= 0)
- {
- gNrow=sk_OPENSSL_PSTRING_value(db->db->data,gNindex);
- print_entry(db,bio_err,gNindex,verbose>1,"Default g and N") ;
- }
- else if (maxgN > 0 && !SRP_get_default_gN(gN))
- {
- BIO_printf(bio_err,"No g and N value for index \"%s\"\n",gN);
- goto err;
- }
- else
- {
- VERBOSE BIO_printf(bio_err,"Database has no g N information.\n");
- gNrow = NULL;
- }
-
-
- VVERBOSE BIO_printf(bio_err,"Starting user processing\n");
-
- if (argc > 0)
- user = *(argv++) ;
-
- while (list_user || user)
- {
- int userindex = -1;
- if (user)
- VVERBOSE BIO_printf(bio_err, "Processing user \"%s\"\n",user);
- if ((userindex = get_index(db, user, 'U')) >= 0)
- {
- print_user(db,bio_err,userindex,(verbose > 0) || list_user) ;
- }
-
- if (list_user)
- {
- if (user == NULL)
- {
- BIO_printf(bio_err,"List all users\n");
-
- for (i=0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
- {
- print_user(db,bio_err,i,1) ;
- }
- list_user = 0;
- }
- else if (userindex < 0)
- {
- BIO_printf(bio_err, "user \"%s\" does not exist, ignored. t\n",
- user);
- errors++;
- }
- }
- else if (add_user)
- {
- if (userindex >= 0)
- {
- /* reactivation of a new user */
- char **row = sk_OPENSSL_PSTRING_value(db->db->data, userindex);
- BIO_printf(bio_err,"user \"%s\" reactivated.\n", user);
- row[DB_srptype][0] = 'V' ;
-
- doupdatedb = 1;
- }
- else
- {
- char *row[DB_NUMBER] ; char * gNid;
- row[DB_srpverifier] = NULL;
- row[DB_srpsalt] = NULL;
- row[DB_srpinfo] = NULL;
- 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)))
- {
- BIO_printf(bio_err,"Cannot create srp verifier for user \"%s\", operation abandoned .\n",user);
- errors++ ;
- goto err;
- }
- row[DB_srpid] = BUF_strdup(user);
- row[DB_srptype] = BUF_strdup("v");
- row[DB_srpgN] = BUF_strdup(gNid);
-
- if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype] || !row[DB_srpverifier] || !row[DB_srpsalt] ||
- (userinfo && (!(row[DB_srpinfo] = BUF_strdup(userinfo)))) ||
- !update_index(db, bio_err, row))
- {
- if (row[DB_srpid]) OPENSSL_free(row[DB_srpid]);
- if (row[DB_srpgN]) OPENSSL_free(row[DB_srpgN]);
- if (row[DB_srpinfo]) OPENSSL_free(row[DB_srpinfo]);
- if (row[DB_srptype]) OPENSSL_free(row[DB_srptype]);
- if (row[DB_srpverifier]) OPENSSL_free(row[DB_srpverifier]);
- if (row[DB_srpsalt]) OPENSSL_free(row[DB_srpsalt]);
- goto err;
- }
- doupdatedb = 1;
- }
- }
- else if (modify_user)
- {
- if (userindex<0)
- {
- BIO_printf(bio_err,"user \"%s\" does not exist, operation ignored.\n",user);
- errors++ ;
- }
- else
- {
-
- char **row=sk_OPENSSL_PSTRING_value(db->db->data, userindex);
- char type = row[DB_srptype][0] ;
- if (type == 'v')
- {
- BIO_printf(bio_err,"user \"%s\" already updated, operation ignored.\n",user);
- errors++ ;
- }
- else
- {
- char * gNid ;
-
- if (row[DB_srptype][0] == 'V')
- {
- int user_gN ;
- char ** irow = NULL;
- VERBOSE BIO_printf(bio_err,"Verifying password for user \"%s\"\n",user);
- if ( (user_gN = get_index(db, row[DB_srpgN],DB_SRP_INDEX)) >= 0)
- irow = sk_OPENSSL_PSTRING_value(db->db->data,
- userindex);
-
- 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))
- {
- BIO_printf(bio_err,"Invalid password for user \"%s\", operation abandoned.\n",user);
- errors++ ;
- goto err;
- }
- }
- VERBOSE BIO_printf(bio_err,"Password for user \"%s\" ok.\n",user);
-
- 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)))
- {
- BIO_printf(bio_err,
- "Cannot create srp verifier for user "
- "\"%s\", operation abandonned .\n",
- user);
- errors++;
- goto err;
- }
-
- row[DB_srptype][0] = 'v';
- row[DB_srpgN] = BUF_strdup(gNid);
-
- if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype] || !row[DB_srpverifier] || !row[DB_srpsalt] ||
- (userinfo && (!(row[DB_srpinfo] = BUF_strdup(userinfo)))))
- goto err;
-
- doupdatedb = 1;
- }
- }
- }
- else if (delete_user)
- {
- if (userindex < 0)
- {
- BIO_printf(bio_err, "user \"%s\" does not exist, operation ignored. t\n", user);
- errors++;
- }
- else
- {
- char ** pp = sk_OPENSSL_PSTRING_value(db->db->data,userindex);
- BIO_printf(bio_err,"user \"%s\" revoked. t\n",user);
-
- pp[DB_srptype][0] = 'R' ;
-
- doupdatedb = 1;
- }
- }
- if (--argc > 0)
- user = *(argv++) ;
- else
- {
- user = NULL;
- list_user = 0;
- }
- }
-
- VERBOSE BIO_printf(bio_err,"User procession done.\n");
-
-
- if (doupdatedb)
- {
- /* Lets check some fields */
- for (i=0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
- {
- pp=sk_OPENSSL_PSTRING_value(db->db->data,i);
-
- if (pp[DB_srptype][0] == 'v')
- {
- pp[DB_srptype][0] = 'V';
- print_user(db,bio_err,i,verbose) ;
- }
- }
-
- VERBOSE BIO_printf(bio_err,"Trying to update srpvfile.\n");
- if (!save_index(dbfile,"new",db)) goto err;
-
- VERBOSE BIO_printf(bio_err,"Temporary srpvfile created.\n");
- if (!rotate_index(dbfile,"new","old")) goto err;
-
- VERBOSE BIO_printf(bio_err,"srpvfile updated.\n");
- }
-
- ret = (errors != 0);
-err:
- if (errors != 0)
- VERBOSE BIO_printf(bio_err,"User errors %d.\n",errors);
-
- VERBOSE BIO_printf(bio_err,"SRP terminating with code %d.\n",ret);
- if(tofree)
- OPENSSL_free(tofree);
- if (ret) ERR_print_errors(bio_err);
- if (randfile) app_RAND_write_file(randfile, bio_err);
- if (conf) NCONF_free(conf);
- if (db) free_index(db);
-
- OBJ_cleanup();
- apps_shutdown();
- OPENSSL_EXIT(ret);
- }
+# include <stdio.h>
+# include <stdlib.h>
+# include <string.h>
+# include <openssl/conf.h>
+# include <openssl/bio.h>
+# include <openssl/err.h>
+# include <openssl/txt_db.h>
+# include <openssl/buffer.h>
+# include <openssl/srp.h>
+# include "apps.h"
+# include "progs.h"
+
+# define BASE_SECTION "srp"
+# define CONFIG_FILE "openssl.cnf"
+
+
+# define ENV_DATABASE "srpvfile"
+# define ENV_DEFAULT_SRP "default_srp"
+
+static int get_index(CA_DB *db, char *id, char type)
+{
+ char **pp;
+ int i;
+ if (id == NULL)
+ return -1;
+ if (type == DB_SRP_INDEX) {
+ for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
+ pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
+ if (pp[DB_srptype][0] == DB_SRP_INDEX
+ && strcmp(id, pp[DB_srpid]) == 0)
+ return i;
+ }
+ } else {
+ for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
+ pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
+
+ if (pp[DB_srptype][0] != DB_SRP_INDEX
+ && strcmp(id, pp[DB_srpid]) == 0)
+ return i;
+ }
+ }
+
+ return -1;
+}
+
+static void print_entry(CA_DB *db, int indx, int verbose, char *s)
+{
+ if (indx >= 0 && verbose) {
+ int j;
+ char **pp = sk_OPENSSL_PSTRING_value(db->db->data, indx);
+ BIO_printf(bio_err, "%s \"%s\"\n", s, pp[DB_srpid]);
+ for (j = 0; j < DB_NUMBER; j++) {
+ BIO_printf(bio_err, " %d = \"%s\"\n", j, pp[j]);
+ }
+ }
+}
+
+static void print_index(CA_DB *db, int indexindex, int verbose)
+{
+ print_entry(db, indexindex, verbose, "g N entry");
+}
+
+static void print_user(CA_DB *db, int userindex, int verbose)
+{
+ if (verbose > 0) {
+ char **pp = sk_OPENSSL_PSTRING_value(db->db->data, userindex);
+
+ if (pp[DB_srptype][0] != 'I') {
+ print_entry(db, userindex, verbose, "User entry");
+ print_entry(db, get_index(db, pp[DB_srpgN], 'I'), verbose,
+ "g N entry");
+ }
+
+ }
+}
+
+static int update_index(CA_DB *db, char **row)
+{
+ char **irow;
+ int i;
+
+ irow = app_malloc(sizeof(*irow) * (DB_NUMBER + 1), "row pointers");
+ for (i = 0; i < DB_NUMBER; i++)
+ irow[i] = row[i];
+ irow[DB_NUMBER] = NULL;
+
+ if (!TXT_DB_insert(db->db, irow)) {
+ BIO_printf(bio_err, "failed to update srpvfile\n");
+ BIO_printf(bio_err, "TXT_DB error number %ld\n", db->db->error);
+ OPENSSL_free(irow);
+ return 0;
+ }
+ return 1;
+}
+
+static char *lookup_conf(const CONF *conf, const char *section, const char *tag)
+{
+ char *entry = NCONF_get_string(conf, section, tag);
+ if (entry == NULL)
+ BIO_printf(bio_err, "variable lookup failed for %s::%s\n", section, tag);
+ return entry;
+}
+static char *srp_verify_user(const char *user, const char *srp_verifier,
+ char *srp_usersalt, const char *g, const char *N,
+ const char *passin, int verbose)
+{
+ char password[1025];
+ PW_CB_DATA cb_tmp;
+ char *verifier = NULL;
+ char *gNid = NULL;
+ int len;
+
+ cb_tmp.prompt_info = user;
+ cb_tmp.password = passin;
+
+ len = password_callback(password, sizeof(password)-1, 0, &cb_tmp);
+ if (len > 0) {
+ password[len] = 0;
+ if (verbose)
+ BIO_printf(bio_err,
+ "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);
+ if (verbose > 1)
+ BIO_printf(bio_err, "Pass %s\n", password);
+
+ OPENSSL_assert(srp_usersalt != NULL);
+ if ((gNid = SRP_create_verifier(user, password, &srp_usersalt,
+ &verifier, N, g)) == NULL) {
+ BIO_printf(bio_err, "Internal error validating SRP verifier\n");
+ } else {
+ if (strcmp(verifier, srp_verifier))
+ gNid = NULL;
+ OPENSSL_free(verifier);
+ }
+ OPENSSL_cleanse(password, len);
+ }
+ return gNid;
+}
+
+static char *srp_create_user(char *user, char **srp_verifier,
+ char **srp_usersalt, char *g, char *N,
+ char *passout, int verbose)
+{
+ char password[1025];
+ PW_CB_DATA cb_tmp;
+ char *gNid = NULL;
+ char *salt = NULL;
+ int len;
+ cb_tmp.prompt_info = user;
+ cb_tmp.password = passout;
+
+ len = password_callback(password, sizeof(password)-1, 1, &cb_tmp);
+ if (len > 0) {
+ password[len] = 0;
+ if (verbose)
+ BIO_printf(bio_err, "Creating\n user=\"%s\"\n g=\"%s\"\n N=\"%s\"\n",
+ user, g, N);
+ if ((gNid = SRP_create_verifier(user, password, &salt,
+ srp_verifier, N, g)) == NULL) {
+ BIO_printf(bio_err, "Internal error creating SRP verifier\n");
+ } else {
+ *srp_usersalt = salt;
+ }
+ OPENSSL_cleanse(password, len);
+ if (verbose > 1)
+ BIO_printf(bio_err, "gNid=%s salt =\"%s\"\n verifier =\"%s\"\n",
+ gNid, salt, *srp_verifier);
+
+ }
+ return gNid;
+}
+
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_VERBOSE, OPT_CONFIG, OPT_NAME, OPT_SRPVFILE, OPT_ADD,
+ OPT_DELETE, OPT_MODIFY, OPT_LIST, OPT_GN, OPT_USERINFO,
+ OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE, OPT_R_ENUM
+} OPTION_CHOICE;
+
+const OPTIONS srp_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"verbose", OPT_VERBOSE, '-', "Talk a lot while doing things"},
+ {"config", OPT_CONFIG, '<', "A config file"},
+ {"name", OPT_NAME, 's', "The particular srp definition to use"},
+ {"srpvfile", OPT_SRPVFILE, '<', "The srp verifier file name"},
+ {"add", OPT_ADD, '-', "Add a user and srp verifier"},
+ {"modify", OPT_MODIFY, '-',
+ "Modify the srp verifier of an existing user"},
+ {"delete", OPT_DELETE, '-', "Delete user from verifier file"},
+ {"list", OPT_LIST, '-', "List users"},
+ {"gn", OPT_GN, 's', "Set g and N values to be used for new verifier"},
+ {"userinfo", OPT_USERINFO, 's', "Additional info to be set for user"},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
+ {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
+ OPT_R_OPTIONS,
+# ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+# endif
+ {NULL}
+};
+int srp_main(int argc, char **argv)
+{
+ ENGINE *e = NULL;
+ CA_DB *db = NULL;
+ CONF *conf = NULL;
+ int gNindex = -1, maxgN = -1, ret = 1, errors = 0, verbose = 0, i;
+ int doupdatedb = 0, mode = OPT_ERR;
+ char *user = NULL, *passinarg = NULL, *passoutarg = NULL;
+ char *passin = NULL, *passout = NULL, *gN = NULL, *userinfo = NULL;
+ char *section = NULL;
+ char **gNrow = NULL, *configfile = NULL;
+ char *srpvfile = NULL, **pp, *prog;
+ OPTION_CHOICE o;
+
+ prog = opt_init(argc, argv, srp_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ opthelp:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ opt_help(srp_options);
+ ret = 0;
+ goto end;
+ case OPT_VERBOSE:
+ verbose++;
+ break;
+ case OPT_CONFIG:
+ configfile = opt_arg();
+ break;
+ case OPT_NAME:
+ section = opt_arg();
+ break;
+ case OPT_SRPVFILE:
+ srpvfile = opt_arg();
+ break;
+ case OPT_ADD:
+ case OPT_DELETE:
+ case OPT_MODIFY:
+ case OPT_LIST:
+ if (mode != OPT_ERR) {
+ BIO_printf(bio_err,
+ "%s: Only one of -add/-delete/-modify/-list\n",
+ prog);
+ goto opthelp;
+ }
+ mode = o;
+ break;
+ case OPT_GN:
+ gN = opt_arg();
+ break;
+ case OPT_USERINFO:
+ userinfo = opt_arg();
+ break;
+ case OPT_PASSIN:
+ passinarg = opt_arg();
+ break;
+ case OPT_PASSOUT:
+ passoutarg = opt_arg();
+ break;
+ case OPT_ENGINE:
+ e = setup_engine(opt_arg(), 0);
+ break;
+ case OPT_R_CASES:
+ if (!opt_rand(o))
+ goto end;
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ argv = opt_rest();
+
+ if (srpvfile != NULL && configfile != NULL) {
+ BIO_printf(bio_err,
+ "-srpvfile and -configfile cannot be specified together.\n");
+ goto end;
+ }
+ if (mode == OPT_ERR) {
+ BIO_printf(bio_err,
+ "Exactly one of the options -add, -delete, -modify -list must be specified.\n");
+ goto opthelp;
+ }
+ if (mode == OPT_DELETE || mode == OPT_MODIFY || mode == OPT_ADD) {
+ if (argc == 0) {
+ BIO_printf(bio_err, "Need at least one user.\n");
+ goto opthelp;
+ }
+ user = *argv++;
+ }
+ if ((passinarg != NULL || passoutarg != NULL) && argc != 1) {
+ BIO_printf(bio_err,
+ "-passin, -passout arguments only valid with one user.\n");
+ goto opthelp;
+ }
+
+ if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
+ BIO_printf(bio_err, "Error getting passwords\n");
+ goto end;
+ }
+
+ if (srpvfile == NULL) {
+ if (configfile == NULL)
+ configfile = default_config_file;
+
+ if (verbose)
+ BIO_printf(bio_err, "Using configuration from %s\n",
+ configfile);
+ conf = app_load_config(configfile);
+ if (conf == NULL)
+ goto end;
+ if (configfile != default_config_file && !app_load_modules(conf))
+ goto end;
+
+ /* Lets get the config section we are using */
+ if (section == NULL) {
+ if (verbose)
+ BIO_printf(bio_err,
+ "trying to read " ENV_DEFAULT_SRP
+ " in " BASE_SECTION "\n");
+
+ section = lookup_conf(conf, BASE_SECTION, ENV_DEFAULT_SRP);
+ if (section == NULL)
+ goto end;
+ }
+
+ app_RAND_load_conf(conf, BASE_SECTION);
+
+ if (verbose)
+ BIO_printf(bio_err,
+ "trying to read " ENV_DATABASE " in section \"%s\"\n",
+ section);
+
+ srpvfile = lookup_conf(conf, section, ENV_DATABASE);
+ if (srpvfile == NULL)
+ goto end;
+ }
+
+ if (verbose)
+ BIO_printf(bio_err, "Trying to read SRP verifier file \"%s\"\n",
+ srpvfile);
+
+ db = load_index(srpvfile, NULL);
+ if (db == NULL)
+ goto end;
+
+ /* Lets check some fields */
+ for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
+ pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
+
+ if (pp[DB_srptype][0] == DB_SRP_INDEX) {
+ maxgN = i;
+ if ((gNindex < 0) && (gN != NULL) && strcmp(gN, pp[DB_srpid]) == 0)
+ gNindex = i;
+
+ print_index(db, i, verbose > 1);
+ }
+ }
+
+ if (verbose)
+ BIO_printf(bio_err, "Database initialised\n");
+
+ if (gNindex >= 0) {
+ gNrow = sk_OPENSSL_PSTRING_value(db->db->data, gNindex);
+ print_entry(db, gNindex, verbose > 1, "Default g and N");
+ } else if (maxgN > 0 && !SRP_get_default_gN(gN)) {
+ BIO_printf(bio_err, "No g and N value for index \"%s\"\n", gN);
+ goto end;
+ } else {
+ if (verbose)
+ BIO_printf(bio_err, "Database has no g N information.\n");
+ gNrow = NULL;
+ }
+
+ if (verbose > 1)
+ BIO_printf(bio_err, "Starting user processing\n");
+
+ while (mode == OPT_LIST || user != NULL) {
+ int userindex = -1;
+
+ if (user != NULL && verbose > 1)
+ BIO_printf(bio_err, "Processing user \"%s\"\n", user);
+ if ((userindex = get_index(db, user, 'U')) >= 0)
+ print_user(db, userindex, (verbose > 0) || mode == OPT_LIST);
+
+ if (mode == OPT_LIST) {
+ if (user == NULL) {
+ BIO_printf(bio_err, "List all users\n");
+
+ for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
+ print_user(db, i, 1);
+ } else if (userindex < 0) {
+ BIO_printf(bio_err,
+ "user \"%s\" does not exist, ignored. t\n", user);
+ errors++;
+ }
+ } else if (mode == OPT_ADD) {
+ if (userindex >= 0) {
+ /* reactivation of a new user */
+ char **row =
+ sk_OPENSSL_PSTRING_value(db->db->data, userindex);
+ BIO_printf(bio_err, "user \"%s\" reactivated.\n", user);
+ row[DB_srptype][0] = 'V';
+
+ doupdatedb = 1;
+ } else {
+ char *row[DB_NUMBER];
+ char *gNid;
+ row[DB_srpverifier] = NULL;
+ row[DB_srpsalt] = NULL;
+ row[DB_srpinfo] = NULL;
+ if (!
+ (gNid =
+ srp_create_user(user, &(row[DB_srpverifier]),
+ &(row[DB_srpsalt]),
+ gNrow ? gNrow[DB_srpsalt] : gN,
+ gNrow ? gNrow[DB_srpverifier] : NULL,
+ passout, verbose))) {
+ BIO_printf(bio_err,
+ "Cannot create srp verifier for user \"%s\", operation abandoned .\n",
+ user);
+ errors++;
+ goto end;
+ }
+ row[DB_srpid] = OPENSSL_strdup(user);
+ row[DB_srptype] = OPENSSL_strdup("v");
+ row[DB_srpgN] = OPENSSL_strdup(gNid);
+
+ if ((row[DB_srpid] == NULL)
+ || (row[DB_srpgN] == NULL)
+ || (row[DB_srptype] == NULL)
+ || (row[DB_srpverifier] == NULL)
+ || (row[DB_srpsalt] == NULL)
+ || (userinfo
+ && ((row[DB_srpinfo] = OPENSSL_strdup(userinfo)) == NULL))
+ || !update_index(db, row)) {
+ OPENSSL_free(row[DB_srpid]);
+ OPENSSL_free(row[DB_srpgN]);
+ OPENSSL_free(row[DB_srpinfo]);
+ OPENSSL_free(row[DB_srptype]);
+ OPENSSL_free(row[DB_srpverifier]);
+ OPENSSL_free(row[DB_srpsalt]);
+ goto end;
+ }
+ doupdatedb = 1;
+ }
+ } else if (mode == OPT_MODIFY) {
+ if (userindex < 0) {
+ BIO_printf(bio_err,
+ "user \"%s\" does not exist, operation ignored.\n",
+ user);
+ errors++;
+ } else {
+
+ char **row =
+ sk_OPENSSL_PSTRING_value(db->db->data, userindex);
+ char type = row[DB_srptype][0];
+ if (type == 'v') {
+ BIO_printf(bio_err,
+ "user \"%s\" already updated, operation ignored.\n",
+ user);
+ errors++;
+ } else {
+ char *gNid;
+
+ if (row[DB_srptype][0] == 'V') {
+ int user_gN;
+ char **irow = NULL;
+ if (verbose)
+ BIO_printf(bio_err,
+ "Verifying password for user \"%s\"\n",
+ user);
+ if ((user_gN =
+ get_index(db, row[DB_srpgN], DB_SRP_INDEX)) >= 0)
+ irow =
+ sk_OPENSSL_PSTRING_value(db->db->data,
+ userindex);
+
+ if (!srp_verify_user
+ (user, row[DB_srpverifier], row[DB_srpsalt],
+ irow ? irow[DB_srpsalt] : row[DB_srpgN],
+ irow ? irow[DB_srpverifier] : NULL, passin,
+ verbose)) {
+ BIO_printf(bio_err,
+ "Invalid password for user \"%s\", operation abandoned.\n",
+ user);
+ errors++;
+ goto end;
+ }
+ }
+ if (verbose)
+ BIO_printf(bio_err, "Password for user \"%s\" ok.\n",
+ user);
+
+ if (!
+ (gNid =
+ srp_create_user(user, &(row[DB_srpverifier]),
+ &(row[DB_srpsalt]),
+ gNrow ? gNrow[DB_srpsalt] : NULL,
+ gNrow ? gNrow[DB_srpverifier] : NULL,
+ passout, verbose))) {
+ BIO_printf(bio_err,
+ "Cannot create srp verifier for user \"%s\", operation abandoned.\n",
+ user);
+ errors++;
+ goto end;
+ }
+
+ row[DB_srptype][0] = 'v';
+ row[DB_srpgN] = OPENSSL_strdup(gNid);
+
+ if (row[DB_srpid] == NULL
+ || row[DB_srpgN] == NULL
+ || row[DB_srptype] == NULL
+ || row[DB_srpverifier] == NULL
+ || row[DB_srpsalt] == NULL
+ || (userinfo
+ && ((row[DB_srpinfo] = OPENSSL_strdup(userinfo))
+ == NULL)))
+ goto end;
+
+ doupdatedb = 1;
+ }
+ }
+ } else if (mode == OPT_DELETE) {
+ if (userindex < 0) {
+ BIO_printf(bio_err,
+ "user \"%s\" does not exist, operation ignored. t\n",
+ user);
+ errors++;
+ } else {
+ char **xpp = sk_OPENSSL_PSTRING_value(db->db->data, userindex);
+
+ BIO_printf(bio_err, "user \"%s\" revoked. t\n", user);
+ xpp[DB_srptype][0] = 'R';
+ doupdatedb = 1;
+ }
+ }
+ user = *argv++;
+ if (user == NULL) {
+ /* no more processing in any mode if no users left */
+ break;
+ }
+ }
+
+ if (verbose)
+ BIO_printf(bio_err, "User procession done.\n");
+
+ if (doupdatedb) {
+ /* Lets check some fields */
+ for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
+ pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
+
+ if (pp[DB_srptype][0] == 'v') {
+ pp[DB_srptype][0] = 'V';
+ print_user(db, i, verbose);
+ }
+ }
+
+ if (verbose)
+ BIO_printf(bio_err, "Trying to update srpvfile.\n");
+ if (!save_index(srpvfile, "new", db))
+ goto end;
+
+ if (verbose)
+ BIO_printf(bio_err, "Temporary srpvfile created.\n");
+ if (!rotate_index(srpvfile, "new", "old"))
+ goto end;
+
+ if (verbose)
+ BIO_printf(bio_err, "srpvfile updated.\n");
+ }
+
+ ret = (errors != 0);
+ end:
+ if (errors != 0)
+ if (verbose)
+ BIO_printf(bio_err, "User errors %d.\n", errors);
+
+ if (verbose)
+ BIO_printf(bio_err, "SRP terminating with code %d.\n", ret);
+
+ OPENSSL_free(passin);
+ OPENSSL_free(passout);
+ if (ret)
+ ERR_print_errors(bio_err);
+ NCONF_free(conf);
+ free_index(db);
+ release_engine(e);
+ return ret;
+}
#endif
-
projects / openssl.git / blobdiff