diff options
Diffstat (limited to 'src/core/dhcp/nm-dhcp-dhclient.c')
| -rw-r--r-- | src/core/dhcp/nm-dhcp-dhclient.c | 741 |
1 files changed, 0 insertions, 741 deletions
diff --git a/src/core/dhcp/nm-dhcp-dhclient.c b/src/core/dhcp/nm-dhcp-dhclient.c deleted file mode 100644 index 7e00599c..00000000 --- a/src/core/dhcp/nm-dhcp-dhclient.c +++ /dev/null @@ -1,741 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2005 - 2012 Red Hat, Inc. - */ - -#include <config.h> -#define __CONFIG_H__ - -#define _XOPEN_SOURCE -#include <time.h> -#undef _XOPEN_SOURCE - -#include "src/core/nm-default-daemon.h" - -#if WITH_DHCLIENT - -#include <stdlib.h> -#include <unistd.h> -#include <stdio.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <ctype.h> - -#include "libnm-glib-aux/nm-dedup-multi.h" - -#include "nm-utils.h" -#include "nm-dhcp-dhclient-utils.h" -#include "nm-dhcp-manager.h" -#include "NetworkManagerUtils.h" -#include "nm-dhcp-listener.h" -#include "nm-dhcp-client-logging.h" - -/*****************************************************************************/ - -static const char * -_addr_family_to_path_part(int addr_family) -{ - nm_assert(NM_IN_SET(addr_family, AF_INET, AF_INET6)); - return (addr_family == AF_INET6) ? "6" : ""; -} - -/*****************************************************************************/ - -#define NM_TYPE_DHCP_DHCLIENT (nm_dhcp_dhclient_get_type()) -#define NM_DHCP_DHCLIENT(obj) \ - (_NM_G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_DHCP_DHCLIENT, NMDhcpDhclient)) -#define NM_DHCP_DHCLIENT_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass), NM_TYPE_DHCP_DHCLIENT, NMDhcpDhclientClass)) -#define NM_IS_DHCP_DHCLIENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), NM_TYPE_DHCP_DHCLIENT)) -#define NM_IS_DHCP_DHCLIENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), NM_TYPE_DHCP_DHCLIENT)) -#define NM_DHCP_DHCLIENT_GET_CLASS(obj) \ - (G_TYPE_INSTANCE_GET_CLASS((obj), NM_TYPE_DHCP_DHCLIENT, NMDhcpDhclientClass)) - -typedef struct _NMDhcpDhclient NMDhcpDhclient; -typedef struct _NMDhcpDhclientClass NMDhcpDhclientClass; - -static GType nm_dhcp_dhclient_get_type(void); - -/*****************************************************************************/ - -typedef struct { - char *conf_file; - const char *def_leasefile; - char *lease_file; - char *pid_file; - NMDhcpListener *dhcp_listener; -} NMDhcpDhclientPrivate; - -struct _NMDhcpDhclient { - NMDhcpClient parent; - NMDhcpDhclientPrivate _priv; -}; - -struct _NMDhcpDhclientClass { - NMDhcpClientClass parent; -}; - -G_DEFINE_TYPE(NMDhcpDhclient, nm_dhcp_dhclient, NM_TYPE_DHCP_CLIENT) - -#define NM_DHCP_DHCLIENT_GET_PRIVATE(self) \ - _NM_GET_PRIVATE(self, NMDhcpDhclient, NM_IS_DHCP_DHCLIENT) - -/*****************************************************************************/ - -static GBytes *read_duid_from_lease(NMDhcpDhclient *self); - -/*****************************************************************************/ - -static const char * -nm_dhcp_dhclient_get_path(void) -{ - return nm_utils_find_helper("dhclient", DHCLIENT_PATH, NULL); -} - -/** - * get_dhclient_leasefile(): - * @addr_family: AF_INET or AF_INET6 - * @iface: the interface name of the device on which DHCP will be done - * @uuid: the connection UUID to which the returned lease should belong - * @out_preferred_path: on return, the "most preferred" leasefile path - * - * Returns the path of an existing leasefile (if any) for this interface and - * connection UUID. Also returns the "most preferred" leasefile path, which - * may be different than any found leasefile. - * - * Returns: an existing leasefile, or %NULL if no matching leasefile could be found - */ -static char * -get_dhclient_leasefile(int addr_family, - const char *iface, - const char *uuid, - char **out_preferred_path) -{ - gs_free char *path = NULL; - - if (nm_dhcp_utils_get_leasefile_path(addr_family, "dhclient", iface, uuid, &path)) { - NM_SET_OUT(out_preferred_path, g_strdup(path)); - return g_steal_pointer(&path); - } - - NM_SET_OUT(out_preferred_path, g_steal_pointer(&path)); - - /* If the leasefile we're looking for doesn't exist yet in the new location - * (eg, /var/lib/NetworkManager) then look in old locations to maintain - * backwards compatibility with external tools (like dracut) that put - * leasefiles there. - */ - - /* Old Debian, SUSE, and Mandriva location */ - g_free(path); - path = g_strdup_printf(LOCALSTATEDIR "/lib/dhcp/dhclient%s-%s-%s.lease", - _addr_family_to_path_part(addr_family), - uuid, - iface); - if (g_file_test(path, G_FILE_TEST_EXISTS)) - return g_steal_pointer(&path); - - /* Old Red Hat and Fedora location */ - g_free(path); - path = g_strdup_printf(LOCALSTATEDIR "/lib/dhclient/dhclient%s-%s-%s.lease", - _addr_family_to_path_part(addr_family), - uuid, - iface); - if (g_file_test(path, G_FILE_TEST_EXISTS)) - return g_steal_pointer(&path); - - /* Fail */ - return NULL; -} - -static char * -find_existing_config(NMDhcpDhclient *self, int addr_family, const char *iface, const char *uuid) -{ - char *path; - - /* NetworkManager-overridden configuration can be used to ship DHCP config - * with NetworkManager itself. It can be uuid-specific, device-specific - * or generic. - */ - if (uuid) { - path = g_strdup_printf(NMCONFDIR "/dhclient%s-%s.conf", - _addr_family_to_path_part(addr_family), - uuid); - _LOGD("looking for existing config %s", path); - if (g_file_test(path, G_FILE_TEST_EXISTS)) - return path; - g_free(path); - } - - path = g_strdup_printf(NMCONFDIR "/dhclient%s-%s.conf", - _addr_family_to_path_part(addr_family), - iface); - _LOGD("looking for existing config %s", path); - if (g_file_test(path, G_FILE_TEST_EXISTS)) - return path; - g_free(path); - - path = g_strdup_printf(NMCONFDIR "/dhclient%s.conf", _addr_family_to_path_part(addr_family)); - _LOGD("looking for existing config %s", path); - if (g_file_test(path, G_FILE_TEST_EXISTS)) - return path; - g_free(path); - - /* Distribution's dhclient configuration is used so that we can use - * configuration shipped with dhclient (if any). - * - * This replaces conditional compilation based on distribution name. Fedora - * and Debian store the configs in /etc/dhcp while upstream defaults to /etc - * which is then used by many other distributions. Some distributions - * (including Fedora) don't even provide a default configuration file. - */ - path = g_strdup_printf(SYSCONFDIR "/dhcp/dhclient%s-%s.conf", - _addr_family_to_path_part(addr_family), - iface); - _LOGD("looking for existing config %s", path); - if (g_file_test(path, G_FILE_TEST_EXISTS)) - return path; - g_free(path); - - path = g_strdup_printf(SYSCONFDIR "/dhclient%s-%s.conf", - _addr_family_to_path_part(addr_family), - iface); - _LOGD("looking for existing config %s", path); - if (g_file_test(path, G_FILE_TEST_EXISTS)) - return path; - g_free(path); - - path = - g_strdup_printf(SYSCONFDIR "/dhcp/dhclient%s.conf", _addr_family_to_path_part(addr_family)); - _LOGD("looking for existing config %s", path); - if (g_file_test(path, G_FILE_TEST_EXISTS)) - return path; - g_free(path); - - path = g_strdup_printf(SYSCONFDIR "/dhclient%s.conf", _addr_family_to_path_part(addr_family)); - _LOGD("looking for existing config %s", path); - if (g_file_test(path, G_FILE_TEST_EXISTS)) - return path; - g_free(path); - - return NULL; -} - -/* NM provides interface-specific options; thus the same dhclient config - * file cannot be used since DHCP transactions can happen in parallel. - * Since some distros don't have default per-interface dhclient config files, - * read their single config file and merge that into a custom per-interface - * config file along with the NM options. - */ -static char * -create_dhclient_config(NMDhcpDhclient *self, - int addr_family, - const char *iface, - const char *uuid, - GBytes *client_id, - gboolean send_client_id, - const char *anycast_address, - const char *hostname, - guint32 timeout, - gboolean use_fqdn, - NMDhcpHostnameFlags hostname_flags, - const char *mud_url, - const char *const *reject_servers, - GBytes **out_new_client_id) -{ - gs_free char *orig_path = NULL; - gs_free char *orig_content = NULL; - char *new_path = NULL; - gs_free char *new_content = NULL; - GError *error = NULL; - - g_return_val_if_fail(iface != NULL, NULL); - - new_path = g_strdup_printf(NMSTATEDIR "/dhclient%s-%s.conf", - _addr_family_to_path_part(addr_family), - iface); - _LOGD("creating composite dhclient config %s", new_path); - - orig_path = find_existing_config(self, addr_family, iface, uuid); - if (orig_path) - _LOGD("merging existing dhclient config %s", orig_path); - else - _LOGD("no existing dhclient configuration to merge"); - - if (orig_path && g_file_test(orig_path, G_FILE_TEST_EXISTS)) { - if (!g_file_get_contents(orig_path, &orig_content, NULL, &error)) { - _LOGW("error reading dhclient configuration %s: %s", orig_path, error->message); - g_error_free(error); - } - } - - new_content = nm_dhcp_dhclient_create_config(iface, - addr_family, - client_id, - send_client_id, - anycast_address, - hostname, - timeout, - use_fqdn, - hostname_flags, - mud_url, - reject_servers, - orig_path, - orig_content, - out_new_client_id); - nm_assert(new_content); - - if (!g_file_set_contents(new_path, new_content, -1, &error)) { - _LOGW("error creating dhclient configuration: %s", error->message); - g_error_free(error); - g_free(new_path); - return NULL; - } - - return new_path; -} - -static gboolean -dhclient_start(NMDhcpClient *client, - gboolean set_mode, - gboolean release, - gboolean set_duid, - pid_t *out_pid, - GError **error) -{ - NMDhcpDhclient *self = NM_DHCP_DHCLIENT(client); - NMDhcpDhclientPrivate *priv = NM_DHCP_DHCLIENT_GET_PRIVATE(self); - gs_unref_ptrarray GPtrArray *argv = NULL; - pid_t pid; - gs_free_error GError *local = NULL; - const char *iface; - const char *uuid; - const char *system_bus_address; - const char *dhclient_path; - char *binary_name; - gs_free char *cmd_str = NULL; - gs_free char *pid_file = NULL; - gs_free char *system_bus_address_env = NULL; - gs_free char *preferred_leasefile_path = NULL; - int addr_family; - const NMDhcpClientConfig *client_config; - char pd_length_str[16]; - - g_return_val_if_fail(!priv->pid_file, FALSE); - client_config = nm_dhcp_client_get_config(client); - addr_family = client_config->addr_family; - - NM_SET_OUT(out_pid, 0); - - dhclient_path = nm_dhcp_dhclient_get_path(); - if (!dhclient_path) { - nm_utils_error_set_literal(error, NM_UTILS_ERROR_UNKNOWN, "dhclient binary not found"); - return FALSE; - } - - iface = client_config->iface; - uuid = client_config->uuid; - - pid_file = g_strdup_printf(NMRUNDIR "/dhclient%s-%s.pid", - _addr_family_to_path_part(addr_family), - iface); - - /* Kill any existing dhclient from the pidfile */ - binary_name = g_path_get_basename(dhclient_path); - nm_dhcp_client_stop_existing(pid_file, binary_name); - g_free(binary_name); - - if (release) { - /* release doesn't use the pidfile after killing an old client */ - nm_clear_g_free(&pid_file); - } - - g_free(priv->lease_file); - priv->lease_file = get_dhclient_leasefile(addr_family, iface, uuid, &preferred_leasefile_path); - nm_assert(preferred_leasefile_path); - if (!priv->lease_file) { - /* No existing leasefile, dhclient will create one at the preferred path */ - priv->lease_file = g_steal_pointer(&preferred_leasefile_path); - } else if (!nm_streq0(priv->lease_file, preferred_leasefile_path)) { - gs_unref_object GFile *src = g_file_new_for_path(priv->lease_file); - gs_unref_object GFile *dst = g_file_new_for_path(preferred_leasefile_path); - - /* Try to copy the existing leasefile to the preferred location */ - if (!g_file_copy(src, dst, G_FILE_COPY_OVERWRITE, NULL, NULL, NULL, &local)) { - gs_free char *s_path = NULL; - gs_free char *d_path = NULL; - - /* Failure; just use the existing leasefile */ - _LOGW("failed to copy leasefile %s to %s: %s", - (s_path = g_file_get_path(src)), - (d_path = g_file_get_path(dst)), - local->message); - g_clear_error(&local); - } else { - /* Success; use the preferred leasefile path */ - g_free(priv->lease_file); - priv->lease_file = g_file_get_path(dst); - } - } - - /* Save the DUID to the leasefile dhclient will actually use */ - if (set_duid && addr_family == AF_INET6) { - if (!nm_dhcp_dhclient_save_duid(priv->lease_file, - nm_dhcp_client_get_effective_client_id(client), - client_config->v6.enforce_duid, - &local)) { - nm_utils_error_set(error, - NM_UTILS_ERROR_UNKNOWN, - "failed to save DUID to '%s': %s", - priv->lease_file, - local->message); - return FALSE; - } - } - - argv = g_ptr_array_new(); - g_ptr_array_add(argv, (gpointer) dhclient_path); - - g_ptr_array_add(argv, (gpointer) "-d"); - - /* Be quiet. dhclient logs to syslog anyway. And we duplicate the syslog - * to stderr in case of NM running with --debug. - */ - g_ptr_array_add(argv, (gpointer) "-q"); - - if (release) - g_ptr_array_add(argv, (gpointer) "-r"); - - if (!release && client_config->addr_family == AF_INET && client_config->v4.request_broadcast) { - g_ptr_array_add(argv, (gpointer) "-B"); - } - - if (addr_family == AF_INET6) { - guint prefixes = client_config->v6.needed_prefixes; - const char *mode_opt; - - g_ptr_array_add(argv, (gpointer) "-6"); - - if (!set_mode) - mode_opt = NULL; - else if (!client_config->v6.info_only) - mode_opt = "-N"; - else if (prefixes == 0) - mode_opt = "-S"; - else - mode_opt = NULL; - - if (mode_opt) - g_ptr_array_add(argv, (gpointer) mode_opt); - - if (prefixes > 0 && client_config->v6.pd_hint_length > 0) { - if (!IN6_IS_ADDR_UNSPECIFIED(&client_config->v6.pd_hint_addr)) { - _LOGW("dhclient only supports a length as prefix delegation hint, not a prefix"); - } - - nm_sprintf_buf(pd_length_str, "%u", client_config->v6.pd_hint_length); - g_ptr_array_add(argv, "--prefix-len-hint"); - g_ptr_array_add(argv, pd_length_str); - } - - while (prefixes--) - g_ptr_array_add(argv, (gpointer) "-P"); - } - g_ptr_array_add(argv, (gpointer) "-sf"); /* Set script file */ - g_ptr_array_add(argv, (gpointer) nm_dhcp_helper_path); - - if (pid_file) { - g_ptr_array_add(argv, (gpointer) "-pf"); /* Set pid file */ - g_ptr_array_add(argv, (gpointer) pid_file); - } - - g_ptr_array_add(argv, (gpointer) "-lf"); /* Set lease file */ - g_ptr_array_add(argv, (gpointer) priv->lease_file); - - if (priv->conf_file) { - g_ptr_array_add(argv, (gpointer) "-cf"); /* Set interface config file */ - g_ptr_array_add(argv, (gpointer) priv->conf_file); - } - - if (client_config->v4.dscp_explicit) { - _LOGW("dhclient does not support specifying a custom DSCP value; the TOS field will be set " - "to LOWDELAY (0x10)."); - } - - if (client_config->v4.ipv6_only_preferred) { - _LOGW("the dhclient backend does not support the \"IPv6-Only Preferred\" option; ignoring " - "it"); - } - - /* Usually the system bus address is well-known; but if it's supposed - * to be something else, we need to push it to dhclient, since dhclient - * sanitizes the environment it gives the action scripts. - */ - system_bus_address = getenv("DBUS_SYSTEM_BUS_ADDRESS"); - if (system_bus_address) { - system_bus_address_env = g_strdup_printf("DBUS_SYSTEM_BUS_ADDRESS=%s", system_bus_address); - g_ptr_array_add(argv, (gpointer) "-e"); - g_ptr_array_add(argv, (gpointer) system_bus_address_env); - } - - g_ptr_array_add(argv, (gpointer) iface); - g_ptr_array_add(argv, NULL); - - _LOGD("running: %s", (cmd_str = g_strjoinv(" ", (char **) argv->pdata))); - - if (!g_spawn_async(NULL, - (char **) argv->pdata, - NULL, - G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_STDOUT_TO_DEV_NULL - | G_SPAWN_STDERR_TO_DEV_NULL, - nm_utils_setpgid, - NULL, - &pid, - &local)) { - nm_utils_error_set(error, - NM_UTILS_ERROR_UNKNOWN, - "dhclient failed to start: %s", - local->message); - return FALSE; - } - - _LOGI("dhclient started with pid %lld", (long long int) pid); - - if (!release) - nm_dhcp_client_watch_child(client, pid); - - priv->pid_file = g_steal_pointer(&pid_file); - - NM_SET_OUT(out_pid, pid); - return TRUE; -} - -static gboolean -ip4_start(NMDhcpClient *client, GError **error) -{ - NMDhcpDhclient *self = NM_DHCP_DHCLIENT(client); - NMDhcpDhclientPrivate *priv = NM_DHCP_DHCLIENT_GET_PRIVATE(self); - gs_unref_bytes GBytes *new_client_id = NULL; - const NMDhcpClientConfig *client_config; - - client_config = nm_dhcp_client_get_config(client); - - nm_assert(client_config->addr_family == AF_INET); - - priv->conf_file = create_dhclient_config(self, - AF_INET, - client_config->iface, - client_config->uuid, - client_config->client_id, - client_config->v4.send_client_id, - client_config->anycast_address, - client_config->hostname, - client_config->timeout, - client_config->use_fqdn, - client_config->hostname_flags, - client_config->mud_url, - client_config->reject_servers, - &new_client_id); - if (!priv->conf_file) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_UNKNOWN, - "error creating dhclient configuration file"); - return FALSE; - } - - /* Note that the effective-client-id for IPv4 here might be unknown/NULL. */ - nm_assert(!new_client_id || !client_config->client_id); - nm_dhcp_client_set_effective_client_id(client, client_config->client_id ?: new_client_id); - - return dhclient_start(client, FALSE, FALSE, FALSE, NULL, error); -} - -static gboolean -ip6_start(NMDhcpClient *client, const struct in6_addr *ll_addr, GError **error) -{ - NMDhcpDhclient *self = NM_DHCP_DHCLIENT(client); - NMDhcpDhclientPrivate *priv = NM_DHCP_DHCLIENT_GET_PRIVATE(self); - const NMDhcpClientConfig *config; - gs_unref_bytes GBytes *effective_client_id = NULL; - - config = nm_dhcp_client_get_config(client); - - nm_assert(config->addr_family == AF_INET6); - - if (config->v6.iaid_explicit) - _LOGW("dhclient does not support specifying an IAID for DHCPv6, it will be ignored"); - - priv->conf_file = create_dhclient_config(self, - AF_INET6, - config->iface, - config->uuid, - NULL, - TRUE, - config->anycast_address, - config->hostname, - config->timeout, - TRUE, - config->hostname_flags, - config->mud_url, - NULL, - NULL); - if (!priv->conf_file) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_UNKNOWN, - "error creating dhclient configuration file"); - return FALSE; - } - - nm_assert(config->client_id); - if (!config->v6.enforce_duid) - effective_client_id = read_duid_from_lease(self); - nm_dhcp_client_set_effective_client_id(client, effective_client_id ?: config->client_id); - - return dhclient_start(client, TRUE, FALSE, TRUE, NULL, error); -} - -static void -stop(NMDhcpClient *client, gboolean release) -{ - NMDhcpDhclient *self = NM_DHCP_DHCLIENT(client); - NMDhcpDhclientPrivate *priv = NM_DHCP_DHCLIENT_GET_PRIVATE(self); - int errsv; - - NM_DHCP_CLIENT_CLASS(nm_dhcp_dhclient_parent_class)->stop(client, release); - - if (priv->conf_file) - if (remove(priv->conf_file) == -1) { - errsv = errno; - _LOGD("could not remove dhcp config file \"%s\": %d (%s)", - priv->conf_file, - errsv, - nm_strerror_native(errsv)); - } - if (priv->pid_file) { - if (remove(priv->pid_file) == -1) { - errsv = errno; - _LOGD("could not remove dhcp pid file \"%s\": %s (%d)", - priv->pid_file, - nm_strerror_native(errsv), - errsv); - } - nm_clear_g_free(&priv->pid_file); - } - - if (release) { - pid_t rpid = -1; - - if (dhclient_start(client, FALSE, TRUE, FALSE, &rpid, NULL)) { - /* Wait a few seconds for the release to happen */ - nm_dhcp_client_stop_pid(rpid, nm_dhcp_client_get_iface(client)); - } - } -} - -static GBytes * -read_duid_from_lease(NMDhcpDhclient *self) -{ - NMDhcpClient *client = NM_DHCP_CLIENT(self); - NMDhcpDhclientPrivate *priv = NM_DHCP_DHCLIENT_GET_PRIVATE(self); - const NMDhcpClientConfig *client_config; - GBytes *duid = NULL; - gs_free char *leasefile = NULL; - GError *error = NULL; - - client_config = nm_dhcp_client_get_config(client); - - /* Look in interface-specific leasefile first for backwards compat */ - leasefile = get_dhclient_leasefile(AF_INET6, - nm_dhcp_client_get_iface(client), - client_config->uuid, - NULL); - if (leasefile) { - _LOGD("looking for DUID in '%s'", leasefile); - duid = nm_dhcp_dhclient_read_duid(leasefile, &error); - if (error) { - _LOGW("failed to read leasefile '%s': %s", leasefile, error->message); - g_clear_error(&error); - } - if (duid) - return duid; - } - - /* Otherwise, read the default machine-wide DUID */ - _LOGD("looking for default DUID in '%s'", priv->def_leasefile); - duid = nm_dhcp_dhclient_read_duid(priv->def_leasefile, &error); - if (error) { - _LOGW("failed to read leasefile '%s': %s", priv->def_leasefile, error->message); - g_clear_error(&error); - } - - return duid; -} - -/*****************************************************************************/ - -static void -nm_dhcp_dhclient_init(NMDhcpDhclient *self) -{ - static const char *const FILES[] = { - SYSCONFDIR "/dhclient6.leases", /* default */ - LOCALSTATEDIR "/lib/dhcp/dhclient6.leases", - LOCALSTATEDIR "/lib/dhclient/dhclient6.leases", - }; - NMDhcpDhclientPrivate *priv = NM_DHCP_DHCLIENT_GET_PRIVATE(self); - int i; - - priv->def_leasefile = FILES[0]; - for (i = 0; i < G_N_ELEMENTS(FILES); i++) { - if (g_file_test(FILES[i], G_FILE_TEST_EXISTS)) { - priv->def_leasefile = FILES[i]; - break; - } - } - - priv->dhcp_listener = g_object_ref(nm_dhcp_listener_get()); - g_signal_connect(priv->dhcp_listener, - NM_DHCP_LISTENER_EVENT, - G_CALLBACK(nm_dhcp_client_handle_event), - self); -} - -static void -dispose(GObject *object) -{ - NMDhcpDhclientPrivate *priv = NM_DHCP_DHCLIENT_GET_PRIVATE(object); - - if (priv->dhcp_listener) { - g_signal_handlers_disconnect_by_func(priv->dhcp_listener, - G_CALLBACK(nm_dhcp_client_handle_event), - NM_DHCP_DHCLIENT(object)); - g_clear_object(&priv->dhcp_listener); - } - - nm_clear_g_free(&priv->pid_file); - nm_clear_g_free(&priv->conf_file); - nm_clear_g_free(&priv->lease_file); - - G_OBJECT_CLASS(nm_dhcp_dhclient_parent_class)->dispose(object); -} - -static void -nm_dhcp_dhclient_class_init(NMDhcpDhclientClass *dhclient_class) -{ - NMDhcpClientClass *client_class = NM_DHCP_CLIENT_CLASS(dhclient_class); - GObjectClass *object_class = G_OBJECT_CLASS(dhclient_class); - - object_class->dispose = dispose; - - client_class->ip4_start = ip4_start; - client_class->ip6_start = ip6_start; - client_class->stop = stop; -} - -const NMDhcpClientFactory _nm_dhcp_client_factory_dhclient = { - .name = "dhclient", - .get_type_4 = nm_dhcp_dhclient_get_type, - .get_type_6 = nm_dhcp_dhclient_get_type, - .get_path = nm_dhcp_dhclient_get_path, -}; - -#endif /* WITH_DHCLIENT */ |