X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=apps%2Fsrp.c;h=689574a4854c846866805d174369a96e8c499d7e;hp=b14530fce34574b31bc827cda3295740f04e2ffc;hb=69b15002913c1b85b0a9d03e11a6608fb153d6bd;hpb=5ec3210fc106ecc6badb48db6cfb1493a7607763

diff --git a/apps/srp.c b/apps/srp.c
index b14530fce3..689574a485 100644
--- a/apps/srp.c
+++ b/apps/srp.c
@@ -1,10 +1,14 @@
 /*
- * Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright (c) 2004, EdelKey Project. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (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>
@@ -22,11 +26,11 @@ NON_EMPTY_TRANSLATION_UNIT
 # 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_RANDFILE            "RANDFILE"
 
 # define ENV_DATABASE            "srpvfile"
 # define ENV_DEFAULT_SRP         "default_srp"
@@ -119,32 +123,35 @@ 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[1024];
+    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;
 
-    if (password_callback(password, sizeof(password), 0, &cb_tmp) > 0) {
+    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);
-        BIO_printf(bio_err, "Pass %s\n", password);
+        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))) {
+        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;
 }
@@ -153,27 +160,30 @@ static char *srp_create_user(char *user, char **srp_verifier,
                              char **srp_usersalt, char *g, char *N,
                              char *passout, int verbose)
 {
-    char password[1024];
+    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;
 
-    if (password_callback(password, sizeof(password), 1, &cb_tmp) > 0) {
+    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))) {
+        if ((gNid = SRP_create_verifier(user, password, &salt,
+                                        srp_verifier, N, g)) == NULL) {
             BIO_printf(bio_err, "Internal error creating SRP verifier\n");
-        } else
+        } 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);
+            BIO_printf(bio_err, "gNid=%s salt =\"%s\"\n verifier =\"%s\"\n",
+                       gNid, salt, *srp_verifier);
 
     }
     return gNid;
@@ -183,7 +193,7 @@ 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_PASSIN, OPT_PASSOUT, OPT_ENGINE, OPT_R_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS srp_options[] = {
@@ -201,6 +211,7 @@ const OPTIONS srp_options[] = {
     {"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
@@ -216,7 +227,7 @@ int srp_main(int argc, char **argv)
     int doupdatedb = 0, mode = OPT_ERR;
     char *user = NULL, *passinarg = NULL, *passoutarg = NULL;
     char *passin = NULL, *passout = NULL, *gN = NULL, *userinfo = NULL;
-    char *randfile = NULL, *section = NULL;
+    char *section = NULL;
     char **gNrow = NULL, *configfile = NULL;
     char *srpvfile = NULL, **pp, *prog;
     OPTION_CHOICE o;
@@ -251,7 +262,7 @@ int srp_main(int argc, char **argv)
         case OPT_LIST:
             if (mode != OPT_ERR) {
                 BIO_printf(bio_err,
-                           "%s: Only one of -add/delete-modify/-list\n",
+                           "%s: Only one of -add/-delete/-modify/-list\n",
                            prog);
                 goto opthelp;
             }
@@ -272,12 +283,16 @@ int srp_main(int argc, char **argv)
         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 && configfile) {
+    if (srpvfile != NULL && configfile != NULL) {
         BIO_printf(bio_err,
                    "-srpvfile and -configfile cannot be specified together.\n");
         goto end;
@@ -287,13 +302,14 @@ int srp_main(int argc, char **argv)
                    "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)
-        && argc < 1) {
-        BIO_printf(bio_err,
-                   "Need at least one user for options -add, -delete, -modify. \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 ((passin || passout) && argc != 1) {
+    if ((passinarg != NULL || passoutarg != NULL) && argc != 1) {
         BIO_printf(bio_err,
                    "-passin, -passout arguments only valid with one user.\n");
         goto opthelp;
@@ -304,8 +320,8 @@ int srp_main(int argc, char **argv)
         goto end;
     }
 
-    if (!srpvfile) {
-        if (!configfile)
+    if (srpvfile == NULL) {
+        if (configfile == NULL)
             configfile = default_config_file;
 
         if (verbose)
@@ -329,8 +345,7 @@ int srp_main(int argc, char **argv)
                 goto end;
         }
 
-        if (randfile == NULL)
-            randfile = NCONF_get_string(conf, BASE_SECTION, "RANDFILE");
+        app_RAND_load_conf(conf, BASE_SECTION);
 
         if (verbose)
             BIO_printf(bio_err,
@@ -341,10 +356,6 @@ int srp_main(int argc, char **argv)
         if (srpvfile == NULL)
             goto end;
     }
-    if (randfile == NULL)
-        ERR_clear_error();
-    else
-        app_RAND_load_file(randfile, 0);
 
     if (verbose)
         BIO_printf(bio_err, "Trying to read SRP verifier file \"%s\"\n",
@@ -385,25 +396,20 @@ int srp_main(int argc, char **argv)
     if (verbose > 1)
         BIO_printf(bio_err, "Starting user processing\n");
 
-    if (argc > 0)
-        user = *(argv++);
-
-    while (mode == OPT_LIST || user) {
+    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) {
+        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++) {
+                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);
@@ -551,9 +557,8 @@ int srp_main(int argc, char **argv)
                 doupdatedb = 1;
             }
         }
-        if (--argc > 0) {
-            user = *(argv++);
-        } else {
+        user = *argv++;
+        if (user == NULL) {
             /* no more processing in any mode if no users left */
             break;
         }
@@ -600,11 +605,9 @@ int srp_main(int argc, char **argv)
     OPENSSL_free(passout);
     if (ret)
         ERR_print_errors(bio_err);
-    if (randfile)
-        app_RAND_write_file(randfile);
     NCONF_free(conf);
     free_index(db);
     release_engine(e);
-    return (ret);
+    return ret;
 }
 #endif