diff options
| author | Jeremy Bicha <jeremy.bicha@canonical.com> | 2022-02-08 12:07:45 -0500 |
|---|---|---|
| committer | Jeremy Bicha <jeremy.bicha@canonical.com> | 2022-02-08 12:07:45 -0500 |
| commit | 7d8baf4ac0480a542f000c1201df85427a22332c (patch) | |
| tree | 66284d67f52a1544900b7d7e2ba527be1bcbd02e /src/core/ndisc/nm-lndp-ndisc.c | |
| parent | 88c227d90a6b7b388c5c85d72802a0ca8f05ed5c (diff) | |
New upstream version 1.35.90
Diffstat (limited to 'src/core/ndisc/nm-lndp-ndisc.c')
| -rw-r--r-- | src/core/ndisc/nm-lndp-ndisc.c | 112 |
1 files changed, 40 insertions, 72 deletions
diff --git a/src/core/ndisc/nm-lndp-ndisc.c b/src/core/ndisc/nm-lndp-ndisc.c index 552b0e4b..313756a6 100644 --- a/src/core/ndisc/nm-lndp-ndisc.c +++ b/src/core/ndisc/nm-lndp-ndisc.c @@ -9,16 +9,16 @@ #include <arpa/inet.h> #include <netinet/icmp6.h> -/* stdarg.h included because of a bug in ndp.h */ #include <stdarg.h> #include <ndp.h> -#include "libnm-glib-aux/nm-str-buf.h" -#include "libnm-systemd-shared/nm-sd-utils-shared.h" -#include "nm-ndisc-private.h" #include "NetworkManagerUtils.h" +#include "libnm-glib-aux/nm-str-buf.h" #include "libnm-platform/nm-platform.h" #include "libnm-platform/nmp-netns.h" +#include "libnm-systemd-shared/nm-sd-utils-shared.h" +#include "nm-l3cfg.h" +#include "nm-ndisc-private.h" #define _NMLOG_PREFIX_NAME "ndisc-lndp" @@ -26,7 +26,7 @@ typedef struct { struct ndp *ndp; - GSource * event_source; + GSource *event_source; } NMLndpNDiscPrivate; /*****************************************************************************/ @@ -53,7 +53,7 @@ static gboolean send_rs(NMNDisc *ndisc, GError **error) { NMLndpNDiscPrivate *priv = NM_LNDP_NDISC_GET_PRIVATE(ndisc); - struct ndp_msg * msg; + struct ndp_msg *msg; int errsv; errsv = ndp_msg_new(&msg, NDP_MSG_RS); @@ -112,10 +112,10 @@ _route_preference_coerce(enum ndp_route_preference pref) static int receive_ra(struct ndp *ndp, struct ndp_msg *msg, gpointer user_data) { - NMNDisc * ndisc = (NMNDisc *) user_data; + NMNDisc *ndisc = (NMNDisc *) user_data; NMNDiscDataInternal *rdata = ndisc->rdata; NMNDiscConfigMap changed = 0; - struct ndp_msgra * msgra = ndp_msgra(msg); + struct ndp_msgra *msgra = ndp_msgra(msg); struct in6_addr gateway_addr; const gint64 now_msec = nm_utils_get_monotonic_timestamp_msec(); int offset; @@ -386,11 +386,11 @@ G_STATIC_ASSERT(sizeof(NMLndpDnsslOption) == 8u); static gboolean send_ra(NMNDisc *ndisc, GError **error) { - NMLndpNDiscPrivate * priv = NM_LNDP_NDISC_GET_PRIVATE(ndisc); - NMNDiscDataInternal * rdata = ndisc->rdata; + NMLndpNDiscPrivate *priv = NM_LNDP_NDISC_GET_PRIVATE(ndisc); + NMNDiscDataInternal *rdata = ndisc->rdata; int errsv; - struct in6_addr * addr; - struct ndp_msg * msg; + struct in6_addr *addr; + struct ndp_msg *msg; guint i; nm_auto_str_buf NMStrBuf sbuf = NM_STR_BUF_INIT(0, FALSE); @@ -417,7 +417,7 @@ send_ra(NMNDisc *ndisc, GError **error) /* The device let us know about all addresses that the device got * whose prefixes are suitable for delegating. Let's announce them. */ for (i = 0; i < rdata->addresses->len; i++) { - const NMNDiscAddress * address = &g_array_index(rdata->addresses, NMNDiscAddress, i); + const NMNDiscAddress *address = &g_array_index(rdata->addresses, NMNDiscAddress, i); struct nd_opt_prefix_info *prefix; prefix = _ndp_msg_add_option(msg, sizeof(*prefix)); @@ -573,9 +573,9 @@ receive_rs(struct ndp *ndp, struct ndp_msg *msg, gpointer user_data) static gboolean event_ready(int fd, GIOCondition condition, gpointer user_data) { - gs_unref_object NMNDisc *ndisc = g_object_ref(NM_NDISC(user_data)); + gs_unref_object NMNDisc *ndisc = g_object_ref(NM_NDISC(user_data)); nm_auto_pop_netns NMPNetns *netns = NULL; - NMLndpNDiscPrivate * priv = NM_LNDP_NDISC_GET_PRIVATE(ndisc); + NMLndpNDiscPrivate *priv = NM_LNDP_NDISC_GET_PRIVATE(ndisc); _LOGD("processing libndp events"); @@ -669,72 +669,39 @@ nm_lndp_ndisc_init(NMLndpNDisc *lndp_ndisc) {} NMNDisc * -nm_lndp_ndisc_new(NMPlatform * platform, - int ifindex, - const char * ifname, - NMUtilsStableType stable_type, - const char * network_id, - NMSettingIP6ConfigAddrGenMode addr_gen_mode, - NMNDiscNodeType node_type, - int max_addresses, - int router_solicitations, - int router_solicitation_interval, - guint32 ra_timeout, - GError ** error) +nm_lndp_ndisc_new(const NMNDiscConfig *config) { nm_auto_pop_netns NMPNetns *netns = NULL; - NMNDisc * ndisc; - NMLndpNDiscPrivate * priv; + gs_unref_object NMNDisc *ndisc = NULL; + NMLndpNDiscPrivate *priv; int errsv; - g_return_val_if_fail(NM_IS_PLATFORM(platform), NULL); - g_return_val_if_fail(!error || !*error, NULL); - g_return_val_if_fail(network_id, NULL); + g_return_val_if_fail(config, NULL); + g_return_val_if_fail(NM_IS_L3CFG(config->l3cfg), NULL); + g_return_val_if_fail(config->network_id, NULL); - if (!nm_platform_netns_push(platform, &netns)) - return NULL; + if (!nm_platform_netns_push(nm_l3cfg_get_platform(config->l3cfg), &netns)) { + /* The inability to change the name space is also considered + * a fatal error. We have a FD open to the file descriptor, and + * it's unclear how to handle (or recover from) a failure to setns(). */ + g_return_val_if_reached(NULL); + } - ndisc = g_object_new(NM_TYPE_LNDP_NDISC, - NM_NDISC_PLATFORM, - platform, - NM_NDISC_STABLE_TYPE, - (int) stable_type, - NM_NDISC_IFINDEX, - ifindex, - NM_NDISC_IFNAME, - ifname, - NM_NDISC_NETWORK_ID, - network_id, - NM_NDISC_ADDR_GEN_MODE, - (int) addr_gen_mode, - NM_NDISC_NODE_TYPE, - (int) node_type, - NM_NDISC_MAX_ADDRESSES, - max_addresses, - NM_NDISC_ROUTER_SOLICITATIONS, - router_solicitations, - NM_NDISC_ROUTER_SOLICITATION_INTERVAL, - router_solicitation_interval, - NM_NDISC_RA_TIMEOUT, - (guint) ra_timeout, - NULL); + ndisc = g_object_new(NM_TYPE_LNDP_NDISC, NM_NDISC_CONFIG, config, NULL); priv = NM_LNDP_NDISC_GET_PRIVATE(ndisc); errsv = ndp_open(&priv->ndp); if (errsv != 0) { - errsv = nm_errno_native(errsv); - g_set_error(error, - NM_UTILS_ERROR, - NM_UTILS_ERROR_UNKNOWN, - "failure creating libndp socket: %s (%d)", - nm_strerror_native(errsv), - errsv); - g_object_unref(ndisc); - return NULL; + /* This is serious. It might be ENOMEM or the inability to open (or modify) + * a file descriptor. In all cases there is not much reason trying to recover + * from that. File descriptors are a basic resource, that we just require (just + * like memory). */ + g_return_val_if_reached(NULL); } - return ndisc; + + return g_steal_pointer(&ndisc); } static void @@ -754,8 +721,9 @@ nm_lndp_ndisc_class_init(NMLndpNDiscClass *klass) NMNDiscClass *ndisc_class = NM_NDISC_CLASS(klass); object_class->dispose = dispose; - ndisc_class->start = start; - ndisc_class->stop = stop; - ndisc_class->send_rs = send_rs; - ndisc_class->send_ra = send_ra; + + ndisc_class->start = start; + ndisc_class->stop = stop; + ndisc_class->send_rs = send_rs; + ndisc_class->send_ra = send_ra; } |