X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd-manager.c;h=2e3b4bb885e010249ca56c582a28e6b1c5415ca5;hp=d4b05bb98710e6ca06e50eabc27cdf9afadd0325;hb=091a364c802e34a58f3260c9cb5db9b75c62215c;hpb=4d473d5dded03d3b682dc389d610bb6b2db6e5f7 diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c index d4b05bb98..2e3b4bb88 100644 --- a/src/network/networkd-manager.c +++ b/src/network/networkd-manager.c @@ -19,11 +19,14 @@ along with systemd; If not, see . ***/ -#include +#include #include +#include +#include "conf-parser.h" #include "path-util.h" #include "networkd.h" +#include "network-internal.h" #include "libudev-private.h" #include "udev-util.h" #include "rtnl-util.h" @@ -91,7 +94,8 @@ int manager_new(Manager **ret) { sd_event_set_watchdog(m->event, true); - r = sd_rtnl_open(&m->rtnl, RTMGRP_LINK | RTMGRP_IPV4_IFADDR); + r = sd_rtnl_open(&m->rtnl, 3, RTNLGRP_LINK, RTNLGRP_IPV4_IFADDR, + RTNLGRP_IPV6_IFADDR); if (r < 0) return r; @@ -116,6 +120,10 @@ int manager_new(Manager **ret) { return -ENOMEM; } + m->kmod_ctx = kmod_new(NULL, NULL); + if (!m->kmod_ctx) + return -ENOMEM; + m->links = hashmap_new(uint64_hash_func, uint64_compare_func); if (!m->links) return -ENOMEM; @@ -142,6 +150,7 @@ void manager_free(Manager *m) { free(m->state_file); + kmod_unref(m->kmod_ctx); udev_monitor_unref(m->udev_monitor); udev_unref(m->udev); sd_bus_unref(m->bus); @@ -384,6 +393,14 @@ int manager_rtnl_listen(Manager *m) { if (r < 0) return r; + r = sd_rtnl_add_match(m->rtnl, RTM_NEWADDR, &link_rtnl_process_address, m); + if (r < 0) + return r; + + r = sd_rtnl_add_match(m->rtnl, RTM_DELADDR, &link_rtnl_process_address, m); + if (r < 0) + return r; + return 0; } @@ -402,102 +419,13 @@ int manager_bus_listen(Manager *m) { return 0; } -static void append_dns(FILE *f, struct in_addr *dns, unsigned char family, unsigned *count) { - char buf[INET6_ADDRSTRLEN]; - const char *address; - - address = inet_ntop(family, dns, buf, INET6_ADDRSTRLEN); - if (!address) { - log_warning("Invalid DNS address. Ignoring."); - return; - } - - if (*count == MAXNS) - fputs("# Too many DNS servers configured, the following entries " - "will be ignored\n", f); - - fprintf(f, "nameserver %s\n", address); - - (*count) ++; -} - -int manager_update_resolv_conf(Manager *m) { - _cleanup_free_ char *temp_path = NULL; - _cleanup_fclose_ FILE *f = NULL; - Link *link; - Iterator i; - unsigned count = 0; - const char *domainname = NULL; - int r; - - assert(m); - - r = fopen_temporary("/run/systemd/network/resolv.conf", &f, &temp_path); - if (r < 0) - return r; - - fchmod(fileno(f), 0644); - - fputs("# This file is managed by systemd-networkd(8). Do not edit.\n#\n" - "# Third party programs must not access this file directly, but\n" - "# only through the symlink at /etc/resolv.conf. To manage\n" - "# resolv.conf(5) in a different way, replace the symlink by a\n" - "# static file or a different symlink.\n\n", f); - - HASHMAP_FOREACH(link, m->links, i) { - if (link->dhcp_lease) { - struct in_addr *nameservers; - size_t nameservers_size; - - if (link->network->dhcp_dns) { - r = sd_dhcp_lease_get_dns(link->dhcp_lease, &nameservers, &nameservers_size); - if (r >= 0) { - unsigned j; - - for (j = 0; j < nameservers_size; j++) - append_dns(f, &nameservers[j], AF_INET, &count); - } - } - - if (link->network->dhcp_domainname && !domainname) { - r = sd_dhcp_lease_get_domainname(link->dhcp_lease, &domainname); - if (r >= 0) - fprintf(f, "domain %s\n", domainname); - } - } - } - - HASHMAP_FOREACH(link, m->links, i) { - if (link->network && link->network->dns) { - Address *address; - Iterator j; - - SET_FOREACH(address, link->network->dns, j) { - append_dns(f, &address->in_addr.in, - address->family, &count); - } - } - } - - fflush(f); - - if (ferror(f) || rename(temp_path, "/run/systemd/network/resolv.conf") < 0) { - r = -errno; - unlink("/run/systemd/network/resolv.conf"); - unlink(temp_path); - return r; - } - - return 0; -} - int manager_save(Manager *m) { Link *link; Iterator i; _cleanup_free_ char *temp_path = NULL; _cleanup_fclose_ FILE *f = NULL; const char *oper_state = "unknown"; - bool dormant, carrier; + bool dormant = false, carrier = false; int r; assert(m);