Add app for fips installation

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9634)

7 files changed, 489 insertions, 38 deletions

diff --git a/apps/apps.c b/apps/apps.c
index 274a387a3d..5038817750 100644
--- a/apps/apps.c
+++ b/apps/apps.c
@@ -2566,3 +2566,53 @@ int opt_printf_stderr(const char *fmt, ...)
     va_end(ap);
     return ret;
 }
+
+OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
+                                     const OSSL_PARAM *paramdefs)
+{
+    OSSL_PARAM *params = NULL;
+    size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
+    size_t params_n;
+    char *opt = "", *stmp, *vtmp = NULL;
+
+    if (opts == NULL)
+        return NULL;
+
+    params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
+    if (params == NULL)
+        return NULL;
+
+    for (params_n = 0; params_n < sz; params_n++) {
+        opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
+        if ((stmp = OPENSSL_strdup(opt)) == NULL
+            || (vtmp = strchr(stmp, ':')) == NULL)
+            goto err;
+        /* Replace ':' with 0 to terminate the string pointed to by stmp */
+        *vtmp = 0;
+        /* Skip over the separator so that vmtp points to the value */
+        vtmp++;
+        if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
+                                           stmp, vtmp, strlen(vtmp)))
+            goto err;
+        OPENSSL_free(stmp);
+    }
+    params[params_n] = OSSL_PARAM_construct_end();
+    return params;
+err:
+    OPENSSL_free(stmp);
+    BIO_printf(bio_err, "Parameter error '%s'\n", opt);
+    ERR_print_errors(bio_err);
+    app_params_free(params);
+    return NULL;
+}
+
+void app_params_free(OSSL_PARAM *params)
+{
+    int i;
+
+    if (params != NULL) {
+        for (i = 0; params[i].key != NULL; ++i)
+            OPENSSL_free(params[i].data);
+        OPENSSL_free(params);
+    }
+}
diff --git a/apps/build.info b/apps/build.info
index 2a7317a4ab..ef6fa220d3 100644
--- a/apps/build.info
+++ b/apps/build.info
@@ -27,7 +27,7 @@ $OPENSSLSRC={-
           pkcs8.c pkey.c pkeyparam.c pkeyutl.c prime.c rand.c req.c rsa.c
           rsautl.c s_client.c s_server.c s_time.c sess_id.c smime.c speed.c
           spkac.c srp.c ts.c verify.c version.c x509.c rehash.c storeutl.c
-          list.c info.c);
+          list.c info.c fipsinstall.c);
    join(' ', @opensslsrc); -}
 # Source for libapps
 $LIBAPPSSRC=apps.c apps_ui.c opt.c fmt.c s_cb.c s_socket.c app_rand.c \
diff --git a/apps/fipsinstall.c b/apps/fipsinstall.c
new file mode 100644
index 0000000000..2aedcbaa6c
--- /dev/null
+++ b/apps/fipsinstall.c
@@ -0,0 +1,419 @@
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * 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
+ */
+
+#include <string.h>
+#include <openssl/evp.h>
+#include <openssl/err.h>
+#include <openssl/provider.h>
+#include <openssl/params.h>
+#include <openssl/fips_names.h>
+#include "apps.h"
+#include "progs.h"
+
+#define BUFSIZE 4096
+#define DEFAULT_MAC_NAME "HMAC"
+#define DEFAULT_FIPS_SECTION "fips_check_section"
+
+/* Configuration file values */
+#define VERSION_KEY  "version"
+#define VERSION_VAL  "1"
+#define INSTALL_STATUS_VAL "INSTALL_SELF_TEST_KATS_RUN"
+
+typedef enum OPTION_choice {
+    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+    OPT_IN, OPT_OUT, OPT_MODULE,
+    OPT_PROV_NAME, OPT_SECTION_NAME, OPT_MAC_NAME, OPT_MACOPT, OPT_VERIFY
+} OPTION_CHOICE;
+
+const OPTIONS fipsinstall_options[] = {
+    {"help", OPT_HELP, '-', "Display this summary"},
+    {OPT_MORE_STR, 0, 0, "e.g: openssl fipsinstall -provider_name fips"
+     "-section_name fipsinstall -out fips.conf -module ./fips.so"
+     "-mac_name HMAC -macopt digest:SHA256 -macopt hexkey:00"},
+    {"verify", OPT_VERIFY, '-', "Verification mode, i.e verify a config file "
+     "instead of generating one"},
+    {"in", OPT_IN, '<', "Input config file, used when verifying"},
+    {"out", OPT_OUT, '>', "Output config file, used when generating"},
+    {"module", OPT_MODULE, '<', "File name of the provider module"},
+    {"provider_name", OPT_PROV_NAME, 's', "FIPS provider name"},
+    {"section_name", OPT_SECTION_NAME, 's',
+     "FIPS Provider config section name (optional)"},
+    {"mac_name", OPT_MAC_NAME, 's', "MAC name"},
+    {"macopt", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form. "
+                                "See 'PARAMETER NAMES' in the EVP_MAC_ docs"},
+    {NULL}
+};
+
+static int do_mac(EVP_MAC_CTX *ctx, unsigned char *tmp, BIO *in,
+                  unsigned char *out, size_t *out_len)
+{
+    int ret = 0;
+    int i;
+    size_t outsz = *out_len;
+
+    if (!EVP_MAC_init(ctx))
+        goto err;
+    if (EVP_MAC_size(ctx) > outsz)
+        goto end;
+    while ((i = BIO_read(in, (char *)tmp, BUFSIZE)) != 0) {
+        if (i < 0 || !EVP_MAC_update(ctx, tmp, i))
+            goto err;
+    }
+end:
+    if (!EVP_MAC_final(ctx, out, out_len, outsz))
+        goto err;
+    ret = 1;
+err:
+    return ret;
+}
+
+static int load_fips_prov_and_run_self_test(const char *prov_name)
+{
+    int ret = 0;
+    OSSL_PROVIDER *prov = NULL;
+
+    prov = OSSL_PROVIDER_load(NULL, prov_name);
+    if (prov == NULL) {
+        BIO_printf(bio_err, "Failed to load FIPS module\n");
+        goto end;
+    }
+    ret = 1;
+end:
+    OSSL_PROVIDER_unload(prov);
+    return ret;
+}
+
+static int print_mac(BIO *bio, const char *label, const unsigned char *mac,
+                     size_t len)
+{
+    int ret;
+    char *hexstr = NULL;
+
+    hexstr = OPENSSL_buf2hexstr(mac, (long)len);
+    if (hexstr == NULL)
+        return 0;
+    ret = BIO_printf(bio, "%s = %s\n", label, hexstr);
+    OPENSSL_free(hexstr);
+    return ret;
+}
+
+static int write_config_header(BIO *out, const char *prov_name,
+                               const char *section)
+{
+    return BIO_printf(out, "openssl_conf = openssl_init\n\n")
+           && BIO_printf(out, "[openssl_init]\n")
+           && BIO_printf(out, "providers = provider_section\n\n")
+           && BIO_printf(out, "[provider_section]\n")
+           && BIO_printf(out, "%s = %s\n\n", prov_name, section);
+}
+
+/*
+ * Outputs a fips related config file that contains entries for the fips
+ * module checksum and the installation indicator checksum.
+ *
+ * Returns 1 if the config file is written otherwise it returns 0 on error.
+ */
+static int write_config_fips_section(BIO *out, const char *section,
+                                     unsigned char *module_mac,
+                                     size_t module_mac_len,
+                                     unsigned char *install_mac,
+                                     size_t install_mac_len)
+{
+    int ret = 0;
+
+    if (!(BIO_printf(out, "[%s]\n", section) > 0
+          && BIO_printf(out, "%s = %s\n", OSSL_PROV_FIPS_PARAM_INSTALL_VERSION,
+                        VERSION_VAL) > 0
+          && print_mac(out, OSSL_PROV_FIPS_PARAM_MODULE_MAC, module_mac,
+                       module_mac_len)))
+        goto end;
+
+    if (install_mac != NULL) {
+        if (!(print_mac(out, OSSL_PROV_FIPS_PARAM_INSTALL_MAC, install_mac,
+                      install_mac_len)
+              && BIO_printf(out, "%s = %s\n",
+                            OSSL_PROV_FIPS_PARAM_INSTALL_STATUS,
+                            INSTALL_STATUS_VAL) > 0))
+        goto end;
+    }
+    ret = 1;
+end:
+    return ret;
+}
+
+static CONF *generate_config_and_load(const char *prov_name,
+                                      const char *section,
+                                      unsigned char *module_mac,
+                                      size_t module_mac_len)
+{
+    BIO *mem_bio = NULL;
+    CONF *conf = NULL;
+
+    mem_bio = BIO_new(BIO_s_mem());
+    if (mem_bio  == NULL)
+        return 0;
+    if (!write_config_header(mem_bio, prov_name, section)
+         || !write_config_fips_section(mem_bio, section, module_mac,
+                                       module_mac_len, NULL, 0))
+        goto end;
+
+    conf = app_load_config_bio(mem_bio, NULL);
+    if (conf == NULL)
+        goto end;
+
+    if (!CONF_modules_load(conf, NULL, 0))
+        goto end;
+    BIO_free(mem_bio);
+    return conf;
+end:
+    NCONF_free(conf);
+    BIO_free(mem_bio);
+    return NULL;
+}
+
+static void free_config_and_unload(CONF *conf)
+{
+    if (conf != NULL) {
+        NCONF_free(conf);
+        CONF_modules_unload(1);
+    }
+}
+
+/*
+ * Returns 1 if the config file entries match the passed in module_mac and
+ * install_mac values, otherwise it returns 0.
+ */
+static int verify_config(const char *infile, const char *section,
+                         unsigned char *module_mac, size_t module_mac_len,
+                         unsigned char *install_mac, size_t install_mac_len)
+{
+    int ret = 0;
+    char *s = NULL;
+    unsigned char *buf1 = NULL, *buf2 = NULL;
+    long len;
+    CONF *conf = NULL;
+
+    /* read in the existing values and check they match the saved values */
+    conf = app_load_config(infile);
+    if (conf == NULL)
+        goto end;
+
+    s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_INSTALL_VERSION);
+    if (s == NULL || strcmp(s, VERSION_VAL) != 0) {
+        BIO_printf(bio_err, "version not found\n");
+        goto end;
+    }
+    s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_INSTALL_STATUS);
+    if (s == NULL || strcmp(s, INSTALL_STATUS_VAL) != 0) {
+        BIO_printf(bio_err, "install status not found\n");
+        goto end;
+    }
+    s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_MODULE_MAC);
+    if (s == NULL) {
+        BIO_printf(bio_err, "Module integrity MAC not found\n");
+        goto end;
+    }
+    buf1 = OPENSSL_hexstr2buf(s, &len);
+    if (buf1 == NULL
+            || (size_t)len != module_mac_len
+            || memcmp(module_mac, buf1, module_mac_len) != 0) {
+        BIO_printf(bio_err, "Module integrity mismatch\n");
+        goto end;
+    }
+    s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_INSTALL_MAC);
+    if (s == NULL) {
+        BIO_printf(bio_err, "Install indicator MAC not found\n");
+        goto end;
+    }
+    buf2 = OPENSSL_hexstr2buf(s, &len);
+    if (buf2 == NULL
+            || (size_t)len != install_mac_len
+            || memcmp(install_mac, buf2, install_mac_len) != 0) {
+        BIO_printf(bio_err, "Install indicator status mismatch\n");
+        goto end;
+    }
+    ret = 1;
+end:
+    OPENSSL_free(buf1);
+    OPENSSL_free(buf2);
+    NCONF_free(conf);
+    return ret;
+}
+
+int fipsinstall_main(int argc, char **argv)
+{
+    int ret = 1, verify = 0;
+    BIO *module_bio = NULL, *mem_bio = NULL, *fout = NULL;
+    char *in_fname = NULL, *out_fname = NULL, *prog, *section_name = NULL;
+    char *prov_name = NULL, *module_fname = NULL;
+    static const char *mac_name = DEFAULT_MAC_NAME;
+    EVP_MAC_CTX *ctx = NULL, *ctx2 = NULL;
+    STACK_OF(OPENSSL_STRING) *opts = NULL;
+    OPTION_CHOICE o;
+    unsigned char *read_buffer = NULL;
+    unsigned char module_mac[EVP_MAX_MD_SIZE];
+    size_t module_mac_len = EVP_MAX_MD_SIZE;
+    unsigned char install_mac[EVP_MAX_MD_SIZE];
+    size_t install_mac_len = EVP_MAX_MD_SIZE;
+    EVP_MAC *mac = NULL;
+    CONF *conf = NULL;
+
+    section_name = DEFAULT_FIPS_SECTION;
+
+    prog = opt_init(argc, argv, fipsinstall_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(fipsinstall_options);
+            ret = 0;
+            goto end;
+        case OPT_IN:
+            in_fname = opt_arg();
+            break;
+        case OPT_OUT:
+            out_fname = opt_arg();
+            break;
+        case OPT_PROV_NAME:
+            prov_name = opt_arg();
+            break;
+        case OPT_MODULE:
+            module_fname = opt_arg();
+            break;
+        case OPT_SECTION_NAME:
+            section_name = opt_arg();
+            break;
+        case OPT_MAC_NAME:
+            mac_name = opt_arg();
+            break;
+        case OPT_MACOPT:
+            if (opts == NULL)
+                opts = sk_OPENSSL_STRING_new_null();
+            if (opts == NULL || !sk_OPENSSL_STRING_push(opts, opt_arg()))
+                goto opthelp;
+            break;
+        case OPT_VERIFY:
+            verify = 1;
+            break;
+        }
+    }
+    argc = opt_num_rest();
+    if (module_fname == NULL
+        || (verify && in_fname == NULL)
+        || (!verify && (out_fname == NULL || prov_name == NULL))
+        || opts == NULL
+        || argc != 0)
+        goto opthelp;
+
+    module_bio = bio_open_default(module_fname, 'r', FORMAT_BINARY);
+    if (module_bio == NULL) {
+        BIO_printf(bio_err, "Failed to open module file\n");
+        goto end;
+    }
+
+    read_buffer = app_malloc(BUFSIZE, "I/O buffer");
+    if (read_buffer == NULL)
+        goto end;
+
+    mac = EVP_MAC_fetch(NULL, mac_name, NULL);
+    if (mac == NULL) {
+        BIO_printf(bio_err, "Unable to get MAC of type %s\n", mac_name);
+        goto end;
+    }
+
+    ctx = EVP_MAC_CTX_new(mac);
+    if (ctx == NULL) {
+        BIO_printf(bio_err, "Unable to create MAC CTX for module check\n");
+        goto end;
+    }
+
+    if (opts != NULL) {
+        int ok = 1;
+        OSSL_PARAM *params =
+            app_params_new_from_opts(opts, EVP_MAC_CTX_settable_params(mac));
+
+        if (params == NULL)
+            goto end;
+
+        if (!EVP_MAC_CTX_set_params(ctx, params)) {
+            BIO_printf(bio_err, "MAC parameter error\n");
+            ERR_print_errors(bio_err);
+            ok = 0;
+        }
+        app_params_free(params);
+        if (!ok)
+            goto end;
+    }
+
+    ctx2 = EVP_MAC_CTX_dup(ctx);
+    if (ctx2 == NULL) {
+        BIO_printf(bio_err, "Unable to create MAC CTX for install indicator\n");
+        goto end;
+    }
+
+    if (!do_mac(ctx, read_buffer, module_bio, module_mac, &module_mac_len))
+        goto end;
+
+    mem_bio = BIO_new_mem_buf((const void *)INSTALL_STATUS_VAL,
+                              strlen(INSTALL_STATUS_VAL));
+    if (mem_bio == NULL) {
+        BIO_printf(bio_err, "Unable to create memory BIO\n");
+        goto end;
+    }
+    if (!do_mac(ctx2, read_buffer, mem_bio, install_mac, &install_mac_len))
+        goto end;
+
+    if (verify) {
+        if (!verify_config(in_fname, section_name, module_mac, module_mac_len,
+                           install_mac, install_mac_len))
+            goto end;
+        BIO_printf(bio_out, "VERIFY PASSED\n");
+    } else {
+
+        conf = generate_config_and_load(prov_name, section_name, module_mac,
+                                        module_mac_len);
+        if (conf == NULL)
+            goto end;
+        if (!load_fips_prov_and_run_self_test(prov_name))
+            goto end;
+
+        fout = bio_open_default(out_fname, 'w', FORMAT_TEXT);
+        if (fout == NULL) {
+            BIO_printf(bio_err, "Failed to open file\n");
+            goto end;
+        }
+        if (!write_config_fips_section(fout, section_name, module_mac,
+                                       module_mac_len, install_mac,
+                                       install_mac_len))
+            goto end;
+        BIO_printf(bio_out, "INSTALL PASSED\n");
+    }
+
+    ret = 0;
+end:
+    if (ret == 1) {
+        BIO_printf(bio_err, "%s FAILED\n", verify ? "VERIFY" : "INSTALL");
+        ERR_print_errors(bio_err);
+    }
+
+    BIO_free(fout);
+    BIO_free(mem_bio);
+    BIO_free(module_bio);
+    sk_OPENSSL_STRING_free(opts);
+    EVP_MAC_free(mac);
+    EVP_MAC_CTX_free(ctx2);
+    EVP_MAC_CTX_free(ctx);
+    OPENSSL_free(read_buffer);
+    free_config_and_unload(conf);
+    return ret;
+}
diff --git a/apps/include/apps.h b/apps/include/apps.h
index a0fd3c3787..8b28d749e9 100644
--- a/apps/include/apps.h
+++ b/apps/include/apps.h
@@ -264,4 +264,8 @@ typedef struct verify_options_st {
 
 extern VERIFY_CB_ARGS verify_args;
 
+OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
+                                     const OSSL_PARAM *paramdefs);
+void app_params_free(OSSL_PARAM *params);
+
 #endif
diff --git a/apps/mac.c b/apps/mac.c
index 8220356e42..205d82f779 100644
--- a/apps/mac.c
+++ b/apps/mac.c
@@ -29,8 +29,8 @@ const OPTIONS mac_options[] = {
     {OPT_HELP_STR, 1, '-', "mac_name\t\t MAC algorithm (See list "
                            "-mac-algorithms)"},
     {"help", OPT_HELP, '-', "Display this summary"},
-    {"macopt", OPT_MACOPT, 's', "MAC algorithm control parameters in n:v form. "
-                                "See 'Supported Controls' in the EVP_MAC_ docs"},
+    {"macopt", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form. "
+                                "See 'PARAMETER NAMES' in the EVP_MAC_ docs"},
     {"in", OPT_IN, '<', "Input file to MAC (default is stdin)"},
     {"out", OPT_OUT, '>', "Output to filename rather than stdout"},
     {"binary", OPT_BIN, '-', "Output in binary format (Default is hexadecimal "
@@ -103,43 +103,19 @@ opthelp:
         goto err;
 
     if (opts != NULL) {
-        OSSL_PARAM *params =
-            OPENSSL_zalloc(sizeof(OSSL_PARAM)
-                           * (sk_OPENSSL_STRING_num(opts) + 1));
-        const OSSL_PARAM *paramdefs = EVP_MAC_CTX_settable_params(mac);
-        size_t params_n;
         int ok = 1;
+        OSSL_PARAM *params =
+            app_params_new_from_opts(opts, EVP_MAC_CTX_settable_params(mac));
 
-        for (params_n = 0; params_n < (size_t)sk_OPENSSL_STRING_num(opts);
-             params_n++) {
-            char *opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
-            char *stmp, *vtmp = NULL;
-
-            if ((stmp = OPENSSL_strdup(opt)) == NULL
-                || (vtmp = strchr(stmp, ':')) == NULL
-                || (*vtmp++ = 0) /* Always zero */
-                || !OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
-                                                  stmp, vtmp, strlen(vtmp))) {
-                BIO_printf(bio_err, "MAC parameter error '%s'\n", opt);
-                ERR_print_errors(bio_err);
-                ok = 0;
-            }
-            OPENSSL_free(stmp);
-            if (!ok)
-                break;
-        }
-        if (ok) {
-            params[params_n] = OSSL_PARAM_construct_end();
-            if (!EVP_MAC_CTX_set_params(ctx, params)) {
-                BIO_printf(bio_err, "MAC parameter error\n");
-                ERR_print_errors(bio_err);
-                goto err;
-            }
-        }
-        for (; params_n-- > 0;) {
-            OPENSSL_free(params[params_n].data);
+        if (params == NULL)
+            goto err;
+
+        if (!EVP_MAC_CTX_set_params(ctx, params)) {
+            BIO_printf(bio_err, "MAC parameter error\n");
+            ERR_print_errors(bio_err);
+            ok = 0;
         }
-        OPENSSL_free(params);
+        app_params_free(params);
         if (!ok)
             goto err;
     }
@@ -160,7 +136,6 @@ opthelp:
         goto err;
     }
 
-
     for (;;) {
         i = BIO_read(in, (char *)buf, BUFSIZE);
         if (i < 0) {
diff --git a/apps/progs.c b/apps/progs.c
index e7a06b9f16..879e6298bb 100644
--- a/apps/progs.c
+++ b/apps/progs.c
@@ -44,6 +44,7 @@ FUNCTION functions[] = {
     {FT_general, "engine", engine_main, engine_options},
 #endif
     {FT_general, "errstr", errstr_main, errstr_options},
+    {FT_general, "fipsinstall", fipsinstall_main, fipsinstall_options},
 #ifndef OPENSSL_NO_DSA
     {FT_general, "gendsa", gendsa_main, gendsa_options},
 #endif
diff --git a/apps/progs.h b/apps/progs.h
index 664c71467d..675a66ca04 100644
--- a/apps/progs.h
+++ b/apps/progs.h
@@ -27,6 +27,7 @@ extern int ecparam_main(int argc, char *argv[]);
 extern int enc_main(int argc, char *argv[]);
 extern int engine_main(int argc, char *argv[]);
 extern int errstr_main(int argc, char *argv[]);
+extern int fipsinstall_main(int argc, char *argv[]);
 extern int gendsa_main(int argc, char *argv[]);
 extern int genpkey_main(int argc, char *argv[]);
 extern int genrsa_main(int argc, char *argv[]);
@@ -79,6 +80,7 @@ extern const OPTIONS ecparam_options[];
 extern const OPTIONS enc_options[];
 extern const OPTIONS engine_options[];
 extern const OPTIONS errstr_options[];
+extern const OPTIONS fipsinstall_options[];
 extern const OPTIONS gendsa_options[];
 extern const OPTIONS genpkey_options[];
 extern const OPTIONS genrsa_options[];