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Tue, 20 Oct 2020 08:13:59 +0000 (UTC) Received: from localhost (unknown [10.36.110.28]) by smtp.corp.redhat.com (Postfix) with ESMTP id 198B31992D; Tue, 20 Oct 2020 08:13:57 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Subject: [PATCH v3 7/7] qga: add ssh-get-authorized-keys Date: Tue, 20 Oct 2020 12:12:57 +0400 Message-Id: <20201020081257.2054548-8-marcandre.lureau@redhat.com> In-Reply-To: <20201020081257.2054548-1-marcandre.lureau@redhat.com> References: <20201020081257.2054548-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=marcandre.lureau@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/20 01:15:43 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: berrange@redhat.com, Michael Roth , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Marc-André Lureau Signed-off-by: Marc-André Lureau --- qga/commands-posix-ssh.c | 66 ++++++++++++++++++++++++++++++++++++++++ qga/meson.build | 11 +++++-- qga/qapi-schema.json | 31 +++++++++++++++++++ 3 files changed, 106 insertions(+), 2 deletions(-) diff --git a/qga/commands-posix-ssh.c b/qga/commands-posix-ssh.c index f974bc4b64..4d75cb0113 100644 --- a/qga/commands-posix-ssh.c +++ b/qga/commands-posix-ssh.c @@ -268,6 +268,46 @@ qmp_guest_ssh_remove_authorized_keys(const char *username, strList *keys, write_authkeys(authkeys_path, new_keys, p, errp); } +GuestAuthorizedKeys * +qmp_guest_ssh_get_authorized_keys(const char *username, Error **errp) +{ + g_autofree struct passwd *p = NULL; + g_autofree char *authkeys_path = NULL; + g_auto(GStrv) authkeys = NULL; + g_autoptr(GuestAuthorizedKeys) ret = NULL; + int i; + + ERRP_GUARD(); + + p = get_passwd_entry(username, errp); + if (p == NULL) { + return NULL; + } + + authkeys_path = g_build_filename(p->pw_dir, ".ssh", + "authorized_keys", NULL); + authkeys = read_authkeys(authkeys_path, errp); + if (authkeys == NULL) { + return NULL; + } + + ret = g_new0(GuestAuthorizedKeys, 1); + for (i = 0; authkeys[i] != NULL; i++) { + strList *new; + + g_strstrip(authkeys[i]); + if (!authkeys[i][0] || authkeys[i][0] == '#') { + continue; + } + + new = g_new0(strList, 1); + new->value = g_strdup(authkeys[i]); + new->next = ret->keys; + ret->keys = new; + } + + return g_steal_pointer (&ret); +} #ifdef QGA_BUILD_UNIT_TEST #if GLIB_CHECK_VERSION(2, 60, 0) @@ -426,6 +466,31 @@ test_remove_keys(void) "algo some-key another\n"); } +static void +test_get_keys(void) +{ + Error *err = NULL; + static const char *authkeys = + "algo key1 comments\n" + "# a commented line\n" + "algo some-key another\n"; + g_autoptr(GuestAuthorizedKeys) ret = NULL; + strList *k; + size_t len = 0; + + test_authorized_keys_set(authkeys); + + ret = qmp_guest_ssh_get_authorized_keys(g_get_user_name(), &err); + g_assert_null(err); + + for (len = 0, k = ret->keys; k != NULL; k = k->next) { + g_assert(g_str_has_prefix(k->value, "algo ")); + len++; + } + + g_assert_cmpint(len, ==, 2); +} + int main(int argc, char *argv[]) { setlocale(LC_ALL, ""); @@ -437,6 +502,7 @@ int main(int argc, char *argv[]) g_test_add_func("/qga/ssh/add_keys", test_add_keys); g_test_add_func("/qga/ssh/add_reset_keys", test_add_reset_keys); g_test_add_func("/qga/ssh/remove_keys", test_remove_keys); + g_test_add_func("/qga/ssh/get_keys", test_get_keys); return g_test_run(); } diff --git a/qga/meson.build b/qga/meson.build index 8340892139..80e7487f32 100644 --- a/qga/meson.build +++ b/qga/meson.build @@ -90,8 +90,15 @@ test_env.set('G_TEST_SRCDIR', meson.current_source_dir()) test_env.set('G_TEST_BUILDDIR', meson.current_build_dir()) if 'CONFIG_POSIX' in config_host - qga_ssh_test = executable('qga-ssh-test', - files('commands-posix-ssh.c'), + srcs = [files('commands-posix-ssh.c')] + i = 0 + foreach output: qga_qapi_outputs + if output.startswith('qga-qapi-types') or output.startswith('qga-qapi-visit') + srcs += qga_qapi_files[i] + endif + i = i + 1 + endforeach + qga_ssh_test = executable('qga-ssh-test', srcs, dependencies: [qemuutil], c_args: ['-DQGA_BUILD_UNIT_TEST']) diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json index 6b7cb86dee..4702bc7d72 100644 --- a/qga/qapi-schema.json +++ b/qga/qapi-schema.json @@ -1307,6 +1307,37 @@ { 'command': 'guest-get-devices', 'returns': ['GuestDeviceInfo'] } +## +# @GuestAuthorizedKeys: +# +# @keys: public keys (in OpenSSH/sshd(8) authorized_keys format) +# +# Since: 5.2 +## +{ 'struct': 'GuestAuthorizedKeys', + 'data': { + 'keys': ['str'] + }, + 'if': 'defined(CONFIG_POSIX)' } + + +## +# @guest-ssh-get-authorized-keys: +# +# @username: the user account to add the authorized keys +# +# Return the public keys from user .ssh/authorized_keys on Unix systems (not +# implemented for other systems). +# +# Returns: @GuestAuthorizedKeys +# +# Since: 5.2 +## +{ 'command': 'guest-ssh-get-authorized-keys', + 'data': { 'username': 'str' }, + 'returns': 'GuestAuthorizedKeys', + 'if': 'defined(CONFIG_POSIX)' } + ## # @guest-ssh-add-authorized-keys: #