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119 lines
4.2 KiB
C
119 lines
4.2 KiB
C
/*
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* Copyright (C) 2021 Red Hat, Inc.
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*
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* SPDX-License-Identifier: LGPL-2.0+
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "libglnx.h"
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#include <ostree.h>
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static void
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assert_error_contains (GError **error, const char *msg)
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{
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g_assert (error != NULL);
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GError *actual = *error;
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g_assert (actual != NULL);
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if (strstr (actual->message, msg) == NULL)
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g_error ("%s does not contain %s", actual->message, msg);
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g_clear_error (error);
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}
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// Perhaps in the future we hook this up to a fuzzer
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static GBytes *
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corrupt (GBytes *input)
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{
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gsize len = 0;
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const guint8 *buf = g_bytes_get_data (input, &len);
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g_assert_cmpint (len, >, 0);
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g_assert_cmpint (len, <, G_MAXINT);
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g_autofree char *newbuf = g_memdup2 (buf, len);
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g_assert (newbuf != NULL);
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int o = g_random_int_range (0, len);
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newbuf[o] = (newbuf[0] + 1);
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return g_bytes_new_take (g_steal_pointer (&newbuf), len);
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}
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static gboolean
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run (GError **error)
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{
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g_autoptr (OstreeRepo) repo = ostree_repo_open_at (AT_FDCWD, "repo", NULL, error);
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if (!repo)
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return FALSE;
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g_autofree char *rev = NULL;
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if (!ostree_repo_resolve_rev (repo, "origin:main", FALSE, &rev, error))
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return FALSE;
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g_assert (rev);
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g_autoptr (GVariant) commit = NULL;
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if (!ostree_repo_load_variant (repo, OSTREE_OBJECT_TYPE_COMMIT, rev, &commit, error))
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return FALSE;
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g_assert (commit);
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g_autoptr (GVariant) detached_meta = NULL;
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if (!ostree_repo_read_commit_detached_metadata (repo, rev, &detached_meta, NULL, error))
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return FALSE;
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g_assert (detached_meta);
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g_autoptr (GBytes) commit_bytes = g_variant_get_data_as_bytes (commit);
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g_autoptr (GBytes) detached_meta_bytes = g_variant_get_data_as_bytes (detached_meta);
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g_autofree char *verify_report = NULL;
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if (!ostree_repo_signature_verify_commit_data (repo, "origin", commit_bytes, detached_meta_bytes,
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0, &verify_report, error))
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return FALSE;
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if (ostree_repo_signature_verify_commit_data (repo, "origin", commit_bytes, detached_meta_bytes,
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OSTREE_REPO_VERIFY_FLAGS_NO_GPG
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| OSTREE_REPO_VERIFY_FLAGS_NO_SIGNAPI,
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&verify_report, error))
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return glnx_throw (error, "Should not have validated");
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assert_error_contains (error, "No commit verification types enabled");
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// No signatures
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g_autoptr (GBytes) empty = g_bytes_new_static ("", 0);
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if (ostree_repo_signature_verify_commit_data (repo, "origin", commit_bytes, empty, 0,
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&verify_report, error))
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return glnx_throw (error, "Should not have validated");
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assert_error_contains (error, "no signatures found");
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// No such remote
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if (ostree_repo_signature_verify_commit_data (repo, "nosuchremote", commit_bytes,
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detached_meta_bytes, 0, &verify_report, error))
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return glnx_throw (error, "Should not have validated");
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assert_error_contains (error, "Remote \"nosuchremote\" not found");
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// Corrupted commit
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g_autoptr (GBytes) corrupted_commit = corrupt (commit_bytes);
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if (ostree_repo_signature_verify_commit_data (repo, "origin", corrupted_commit,
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detached_meta_bytes, 0, &verify_report, error))
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return glnx_throw (error, "Should not have validated");
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assert_error_contains (error, "BAD signature");
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return TRUE;
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}
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int
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main (int argc, char **argv)
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{
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g_autoptr (GError) error = NULL;
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if (!run (&error))
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{
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g_printerr ("error: %s\n", error->message);
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exit (1);
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}
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}
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