diff options
Diffstat (limited to 'src/network/networkd-manager.c')
-rw-r--r-- | src/network/networkd-manager.c | 201 |
1 files changed, 1 insertions, 200 deletions
diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c index ad36553f2b..2e3b4bb885 100644 --- a/src/network/networkd-manager.c +++ b/src/network/networkd-manager.c @@ -19,7 +19,7 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ -#include <resolv.h> +#include <sys/socket.h> #include <linux/if.h> #include <libkmod.h> @@ -76,95 +76,6 @@ static int setup_signals(Manager *m) { return 0; } -static int set_fallback_dns(Manager *m, const char *string) { - char *word, *state; - size_t length; - int r; - - assert(m); - assert(string); - - FOREACH_WORD_QUOTED(word, length, string, state) { - _cleanup_address_free_ Address *address = NULL; - Address *tail; - _cleanup_free_ char *addrstr = NULL; - - r = address_new_dynamic(&address); - if (r < 0) - return r; - - addrstr = strndup(word, length); - if (!addrstr) - return -ENOMEM; - - r = net_parse_inaddr(addrstr, &address->family, &address->in_addr); - if (r < 0) { - log_debug("Ignoring invalid DNS address '%s'", addrstr); - continue; - } - - LIST_FIND_TAIL(addresses, m->fallback_dns, tail); - LIST_INSERT_AFTER(addresses, m->fallback_dns, tail, address); - address = NULL; - } - - return 0; -} - -int config_parse_dnsv( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - Manager *m = userdata; - Address *address; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(m); - - while ((address = m->fallback_dns)) { - LIST_REMOVE(addresses, m->fallback_dns, address); - address_free(address); - } - - set_fallback_dns(m, rvalue); - - return 0; -} - -static int manager_parse_config_file(Manager *m) { - static const char fn[] = "/etc/systemd/networkd.conf"; - _cleanup_fclose_ FILE *f = NULL; - int r; - - assert(m); - - f = fopen(fn, "re"); - if (!f) { - if (errno == ENOENT) - return 0; - - log_warning("Failed to open configuration file %s: %m", fn); - return -errno; - } - - r = config_parse(NULL, fn, f, "Network\0", config_item_perf_lookup, - (void*) networkd_gperf_lookup, false, false, m); - if (r < 0) - log_warning("Failed to parse configuration file: %s", strerror(-r)); - - return r; -} - int manager_new(Manager **ret) { _cleanup_manager_free_ Manager *m = NULL; int r; @@ -177,14 +88,6 @@ int manager_new(Manager **ret) { if (!m->state_file) return -ENOMEM; - r = set_fallback_dns(m, DNS_SERVERS); - if (r < 0) - return r; - - r = manager_parse_config_file(m); - if (r < 0) - return r; - r = sd_event_default(&m->event); if (r < 0) return r; @@ -241,7 +144,6 @@ void manager_free(Manager *m) { Network *network; NetDev *netdev; Link *link; - Address *address; if (!m) return; @@ -257,11 +159,6 @@ void manager_free(Manager *m) { sd_event_source_unref(m->sigint_event_source); sd_event_unref(m->event); - while ((address = m->fallback_dns)) { - LIST_REMOVE(addresses, m->fallback_dns, address); - address_free(address); - } - while ((link = hashmap_first(m->links))) link_unref(link); hashmap_free(m->links); @@ -522,102 +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; - - LIST_FOREACH(addresses, address, link->network->dns) { - append_dns(f, &address->in_addr.in, - address->family, &count); - } - } - } - - if (!count) { - Address *address; - - LIST_FOREACH(addresses, address, m->fallback_dns) - 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; |