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=effa93c81e918cd5f97d74708cb6dd24269007cc;hb=091a364c802e34a58f3260c9cb5db9b75c62215c;hpb=2e9f08eaf11fdb9c702058524f634eb13298a966 diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c index effa93c81..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" @@ -117,6 +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; @@ -143,6 +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); @@ -217,97 +225,6 @@ static int manager_udev_process_link(Manager *m, struct udev_device *device) { return 0; } -static int manager_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata) { - Manager *m = userdata; - Link *link = NULL; - uint16_t type; - _cleanup_address_free_ Address *address = NULL; - char buf[INET6_ADDRSTRLEN]; - int r, ifindex; - - assert(rtnl); - assert(message); - assert(m); - - r = sd_rtnl_message_get_type(message, &type); - if (r < 0) { - log_warning("rtnl: could not get message type"); - return 0; - } - - r = sd_rtnl_message_addr_get_ifindex(message, &ifindex); - if (r < 0 || ifindex <= 0) { - log_warning("rtnl: received address message without valid ifindix, ignoring"); - return 0; - } else { - r = link_get(m, ifindex, &link); - if (r < 0 || !link) { - log_warning("rtnl: received address for non-existing link, ignoring"); - return 0; - } - } - - r = address_new_dynamic(&address); - if (r < 0) - return 0; - - r = sd_rtnl_message_addr_get_family(message, &address->family); - if (r < 0 || !IN_SET(address->family, AF_INET, AF_INET6)) { - log_warning("rtnl: received address with invalid family, ignoring"); - return 0; - } - - r = sd_rtnl_message_addr_get_prefixlen(message, &address->prefixlen); - if (r < 0) { - log_warning("rtnl: recevied address with invalid prefixlen, ignoring"); - return 0; - } - - switch (address->family) { - case AF_INET: - r = sd_rtnl_message_read_in_addr(message, IFA_LOCAL, &address->in_addr.in); - if (r < 0) { - log_warning("rtnl: received address without valid address, ignoring"); - return 0; - } - - break; - - case AF_INET6: - r = sd_rtnl_message_read_in6_addr(message, IFA_ADDRESS, &address->in_addr.in6); - if (r < 0) { - log_warning("rtnl: received address without valid address, ignoring"); - return 0; - } - - break; - - default: - assert_not_reached("invalid address family"); - } - - if (!inet_ntop(address->family, &address->in_addr, buf, INET6_ADDRSTRLEN)) { - log_warning("could not print address"); - return 0; - } - - switch (type) { - case RTM_NEWADDR: - log_info("added address: %s/%u to ifindex %d", buf, - address->prefixlen, ifindex); - break; - - case RTM_DELADDR: - log_info("removed address: %s/%u from ifindex %d", buf, - address->prefixlen, ifindex); - break; - default: - assert_not_reached("Received invalid RTNL message type"); - } - - return 1; -} - static int manager_rtnl_process_link(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata) { Manager *m = userdata; Link *link = NULL; @@ -476,11 +393,11 @@ int manager_rtnl_listen(Manager *m) { if (r < 0) return r; - r = sd_rtnl_add_match(m->rtnl, RTM_NEWADDR, &manager_rtnl_process_address, m); + 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, &manager_rtnl_process_address, m); + r = sd_rtnl_add_match(m->rtnl, RTM_DELADDR, &link_rtnl_process_address, m); if (r < 0) return r; @@ -502,95 +419,6 @@ 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;