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list-mechanisms: initial implementation
Resolves: #563 Signed-off-by: Alexander Sosedkin <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,281 @@ | ||
| /* | ||
| * Copyright (c) 2023, Red Hat Inc. | ||
| * | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * | ||
| * * Redistributions of source code must retain the above | ||
| * copyright notice, this list of conditions and the | ||
| * following disclaimer. | ||
| * * 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. | ||
| * * The names of contributors to this software may not be | ||
| * used to endorse or promote products derived from this | ||
| * software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS 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 | ||
| * COPYRIGHT OWNER OR 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. | ||
| * | ||
| * Author: Alexander Sosedkin <[email protected]> | ||
| */ | ||
|
|
||
| #include "config.h" | ||
|
|
||
| #include "constants.h" | ||
| #define P11_DEBUG_FLAG P11_DEBUG_TOOL | ||
| #include "debug.h" | ||
| #include "iter.h" | ||
| #include "message.h" | ||
| #include "pkcs11.h" | ||
| #include "print.h" | ||
| #include "tool.h" | ||
| #include "uri.h" | ||
|
|
||
| #include <assert.h> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
|
|
||
| #ifdef ENABLE_NLS | ||
| #include <libintl.h> | ||
| #define _(x) dgettext(PACKAGE_NAME, x) | ||
| #else | ||
| #define _(x) (x) | ||
| #endif | ||
|
|
||
| int | ||
| p11_kit_list_mechanisms (int argc, | ||
| char *argv[]); | ||
|
|
||
| static void | ||
| print_mechanism_with_info (CK_MECHANISM_TYPE mechanism, | ||
| CK_MECHANISM_INFO info) | ||
| { | ||
| const char *mechanism_nick = NULL; | ||
|
|
||
| mechanism_nick = p11_constant_nick (p11_constant_mechanisms, mechanism); | ||
| if (mechanism_nick == NULL) | ||
| printf ("0x%lX (unknown):", mechanism); | ||
| else | ||
| printf ("%s:", mechanism_nick); | ||
|
|
||
| if (info.flags & CKF_HW) | ||
| printf (" hw"); | ||
| if (info.flags & CKF_MESSAGE_ENCRYPT) | ||
| printf (" message-encrypt"); | ||
| if (info.flags & CKF_MESSAGE_DECRYPT) | ||
| printf (" message-decrypt"); | ||
| if (info.flags & CKF_MESSAGE_SIGN) | ||
| printf (" message-sign"); | ||
| if (info.flags & CKF_MESSAGE_VERIFY) | ||
| printf (" message-verify"); | ||
| if (info.flags & CKF_MULTI_MESSAGE) | ||
| printf (" multi-message"); | ||
| if (info.flags & CKF_FIND_OBJECTS) | ||
| printf (" find-objects"); | ||
| if (info.flags & CKF_ENCRYPT) | ||
| printf (" encrypt"); | ||
| if (info.flags & CKF_DECRYPT) | ||
| printf (" decrypt"); | ||
| if (info.flags & CKF_DIGEST) | ||
| printf (" digest"); | ||
| if (info.flags & CKF_SIGN) | ||
| printf (" sign"); | ||
| if (info.flags & CKF_SIGN_RECOVER) | ||
| printf (" sign-recover"); | ||
| if (info.flags & CKF_VERIFY) | ||
| printf (" verify"); | ||
| if (info.flags & CKF_SIGN_RECOVER) | ||
| printf (" verify-recover"); | ||
| if (info.flags & CKF_GENERATE) | ||
| printf (" generate"); | ||
| if (info.flags & CKF_GENERATE_KEY_PAIR) | ||
| printf (" generate-key-pair"); | ||
| if (info.flags & CKF_WRAP) | ||
| printf (" wrap"); | ||
| if (info.flags & CKF_UNWRAP) | ||
| printf (" unwrap"); | ||
| if (info.flags & CKF_DERIVE) | ||
| printf (" derive"); | ||
| if (info.flags & CKF_EXTENSION) | ||
| printf (" extension"); | ||
|
|
||
| if (info.ulMaxKeySize) | ||
| printf (" key-size=%lu-%lu", info.ulMinKeySize, info.ulMaxKeySize); | ||
| printf ("\n"); | ||
| } | ||
|
|
||
| static int | ||
| list_mechanisms (const char *token_str) | ||
|
Check warning Code scanning / CodeQL Poorly documented large function Warning
Poorly documented function: fewer than 2% comments for a function of 108 lines.
|
||
| { | ||
| int ret = 1; | ||
| CK_FUNCTION_LIST **modules = NULL; | ||
| CK_FUNCTION_LIST *module = NULL; | ||
| P11KitUri *uri = NULL; | ||
| P11KitIter *iter = NULL; | ||
| CK_SESSION_HANDLE session = 0; | ||
| CK_SLOT_ID slot = 0; | ||
| CK_TOKEN_INFO token_info; | ||
| CK_MECHANISM_INFO mechanism_info; | ||
| CK_MECHANISM_TYPE_PTR mechanisms = NULL; | ||
| CK_MECHANISM_TYPE_PTR mechanisms_new = NULL; | ||
| unsigned long mechanisms_count = 0; | ||
| unsigned long i; | ||
| p11_list_printer printer; | ||
| CK_RV rv; | ||
|
|
||
| uri = p11_kit_uri_new (); | ||
| if (uri == NULL) { | ||
| p11_message (_("failed to allocate memory")); | ||
| goto cleanup; | ||
| } | ||
|
|
||
| if (p11_kit_uri_parse (token_str, P11_KIT_URI_FOR_TOKEN, uri) != P11_KIT_URI_OK) { | ||
| p11_message (_("failed to parse URI")); | ||
| goto cleanup; | ||
| } | ||
|
|
||
| modules = p11_kit_modules_load_and_initialize (0); | ||
| if (modules == NULL) { | ||
| p11_message (_("failed to load and initialize modules")); | ||
| goto cleanup; | ||
| } | ||
|
|
||
| iter = p11_kit_iter_new (uri, P11_KIT_ITER_WITH_LOGIN | P11_KIT_ITER_WITH_TOKENS | P11_KIT_ITER_WITHOUT_OBJECTS); | ||
| if (iter == NULL) { | ||
| p11_debug ("failed to initialize iterator"); | ||
| goto cleanup; | ||
| } | ||
|
|
||
| p11_list_printer_init (&printer, stdout, 0); | ||
| p11_kit_iter_begin (iter, modules); | ||
| rv = p11_kit_iter_next (iter); // we will stop at the first token | ||
| if (rv == CKR_OK) { | ||
| module = p11_kit_iter_get_module (iter); | ||
| if (module == NULL) { | ||
| p11_message (_("failed to obtain module")); | ||
| goto cleanup; | ||
| } | ||
|
|
||
| slot = p11_kit_iter_get_slot (iter); | ||
|
|
||
| rv = module->C_GetTokenInfo (slot, &token_info); | ||
| if (rv != CKR_OK) { | ||
| p11_message (_("couldn't load token info: %s"), p11_kit_strerror (rv)); | ||
| goto cleanup; | ||
| } | ||
|
|
||
| rv = module->C_GetMechanismList (slot, NULL, &mechanisms_count); | ||
| if (rv != CKR_OK) { | ||
| p11_message (_("querying amount of mechanisms failed: %s"), p11_kit_strerror (rv)); | ||
| goto cleanup; | ||
| } | ||
|
|
||
| mechanisms_new = reallocarray (mechanisms, mechanisms_count, sizeof (CK_MECHANISM_TYPE)); | ||
| if (mechanisms_new == NULL) { | ||
| p11_message (_("failed to allocate memory")); | ||
| goto cleanup; | ||
| } | ||
| mechanisms = mechanisms_new; | ||
|
|
||
| rv = module->C_GetMechanismList (slot, mechanisms, &mechanisms_count); | ||
| if (rv != CKR_OK) { | ||
| p11_message (_("querying mechanisms failed: %s"), p11_kit_strerror (rv)); | ||
| goto cleanup; | ||
| } | ||
|
|
||
| for (i = 0; i < mechanisms_count; i++) { | ||
| rv = module->C_GetMechanismInfo (slot, mechanisms[i], &mechanism_info); | ||
| if (rv != CKR_OK) { | ||
| p11_message (_("querying mechanism info failed: %s"), p11_kit_strerror (rv)); | ||
| goto cleanup; | ||
| } | ||
|
|
||
| print_mechanism_with_info (mechanisms[i], mechanism_info); | ||
| } | ||
| ret = 0; | ||
| } else { | ||
| assert (rv == CKR_CANCEL); | ||
| p11_message (_("no matching token")); | ||
| } | ||
|
|
||
| cleanup: | ||
| if (session) | ||
| module->C_CloseSession (session); | ||
| if (mechanisms) | ||
| free (mechanisms); | ||
| p11_kit_iter_free (iter); | ||
| p11_kit_uri_free (uri); | ||
| if (modules != NULL) | ||
| p11_kit_modules_finalize_and_release (modules); | ||
|
|
||
| return ret; | ||
| } | ||
|
|
||
| int | ||
| p11_kit_list_mechanisms (int argc, | ||
| char *argv[]) | ||
| { | ||
| int opt; | ||
|
|
||
| enum { | ||
| opt_verbose = 'v', | ||
| opt_quiet = 'q', | ||
| opt_help = 'h', | ||
| }; | ||
|
|
||
| struct option options[] = { | ||
| { "verbose", no_argument, NULL, opt_verbose }, | ||
| { "quiet", no_argument, NULL, opt_quiet }, | ||
| { "help", no_argument, NULL, opt_help }, | ||
| { 0 }, | ||
| }; | ||
|
|
||
| p11_tool_desc usages[] = { | ||
| { 0, "usage: p11-kit list-mechanisms pkcs11:token" }, | ||
| { 0 }, | ||
| }; | ||
|
|
||
| while ((opt = p11_tool_getopt (argc, argv, options)) != -1) { | ||
| switch (opt) { | ||
| case opt_verbose: | ||
| p11_kit_be_loud (); | ||
| break; | ||
| case opt_quiet: | ||
| p11_kit_be_quiet (); | ||
| break; | ||
| case opt_help: | ||
| p11_tool_usage (usages, options); | ||
| return 0; | ||
| case '?': | ||
| return 2; | ||
| default: | ||
| assert_not_reached (); | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| argc -= optind; | ||
| argv += optind; | ||
|
|
||
| if (argc != 1) { | ||
| p11_tool_usage (usages, options); | ||
| return 2; | ||
| } | ||
|
|
||
| return list_mechanisms (*argv); | ||
| } | ||
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