From 6073b6f26ab9fc6bf335faa7073ec443eef093fd Mon Sep 17 00:00:00 2001 From: Tom Gundersen Date: Wed, 23 Jul 2014 23:10:00 +0200 Subject: resolved: don't read DHCP leases networkd will expose both statically configured DNS servers and servers receieved over DHCP in sd_network_get_dns(), so no need to keep the distinction in resolved. --- src/resolve/resolved-link.c | 57 +++++++++++++++------------------------------ 1 file changed, 19 insertions(+), 38 deletions(-) (limited to 'src/resolve/resolved-link.c') diff --git a/src/resolve/resolved-link.c b/src/resolve/resolved-link.c index 43f60d8bb6..16f41a2604 100644 --- a/src/resolve/resolved-link.c +++ b/src/resolve/resolved-link.c @@ -22,7 +22,6 @@ #include #include "sd-network.h" -#include "dhcp-lease-internal.h" #include "strv.h" #include "resolved-link.h" @@ -71,11 +70,8 @@ Link *link_free(Link *l) { dns_scope_free(l->llmnr_ipv4_scope); dns_scope_free(l->llmnr_ipv6_scope); - while (l->dhcp_dns_servers) - dns_server_free(l->dhcp_dns_servers); - - while (l->link_dns_servers) - dns_server_free(l->link_dns_servers); + while (l->dns_servers) + dns_server_free(l->dns_servers); free(l); return NULL; @@ -86,7 +82,7 @@ static void link_allocate_scopes(Link *l) { assert(l); - if (l->link_dns_servers || l->dhcp_dns_servers) { + if (l->dns_servers) { if (!l->unicast_scope) { r = dns_scope_new(l->manager, &l->unicast_scope, l, DNS_PROTOCOL_DNS, AF_UNSPEC); if (r < 0) @@ -136,7 +132,7 @@ int link_update_rtnl(Link *l, sd_rtnl_message *m) { return 0; } -static int link_update_link_dns_servers(Link *l) { +static int link_update_dns_servers(Link *l) { _cleanup_free_ struct in_addr *nameservers = NULL; _cleanup_free_ struct in6_addr *nameservers6 = NULL; DnsServer *s, *nx; @@ -144,7 +140,7 @@ static int link_update_link_dns_servers(Link *l) { assert(l); - LIST_FOREACH(servers, s, l->link_dns_servers) + LIST_FOREACH(servers, s, l->dns_servers) s->marked = true; n = sd_network_get_dns(l->ifindex, &nameservers); @@ -156,11 +152,11 @@ static int link_update_link_dns_servers(Link *l) { for (i = 0; i < n; i++) { union in_addr_union a = { .in = nameservers[i] }; - s = link_find_dns_server(l, DNS_SERVER_LINK, AF_INET, &a); + s = link_find_dns_server(l, AF_INET, &a); if (s) s->marked = false; else { - r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, AF_INET, &a); + r = dns_server_new(l->manager, NULL, l, AF_INET, &a); if (r < 0) goto clear; } @@ -175,25 +171,25 @@ static int link_update_link_dns_servers(Link *l) { for (i = 0; i < n; i++) { union in_addr_union a = { .in6 = nameservers6[i] }; - s = link_find_dns_server(l, DNS_SERVER_LINK, AF_INET6, &a); + s = link_find_dns_server(l, AF_INET6, &a); if (s) s->marked = false; else { - r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, AF_INET6, &a); + r = dns_server_new(l->manager, NULL, l, AF_INET6, &a); if (r < 0) goto clear; } } - LIST_FOREACH_SAFE(servers, s, nx, l->link_dns_servers) + LIST_FOREACH_SAFE(servers, s, nx, l->dns_servers) if (s->marked) dns_server_free(s); return 0; clear: - while (l->link_dns_servers) - dns_server_free(l->link_dns_servers); + while (l->dns_servers) + dns_server_free(l->dns_servers); return r; } @@ -201,7 +197,7 @@ clear: int link_update_monitor(Link *l) { assert(l); - link_update_link_dns_servers(l); + link_update_dns_servers(l); link_allocate_scopes(l); return 0; @@ -242,14 +238,12 @@ LinkAddress *link_find_address(Link *l, int family, union in_addr_union *in_addr return NULL; } -DnsServer* link_find_dns_server(Link *l, DnsServerSource source, int family, union in_addr_union *in_addr) { - DnsServer *first, *s; +DnsServer* link_find_dns_server(Link *l, int family, union in_addr_union *in_addr) { + DnsServer *s; assert(l); - first = source == DNS_SERVER_DHCP ? l->dhcp_dns_servers : l->link_dns_servers; - - LIST_FOREACH(servers, s, first) + LIST_FOREACH(servers, s, l->dns_servers) if (s->family == family && in_addr_equal(family, &s->address, in_addr)) return s; @@ -260,9 +254,7 @@ DnsServer *link_get_dns_server(Link *l) { assert(l); if (!l->current_dns_server) - l->current_dns_server = l->link_dns_servers; - if (!l->current_dns_server) - l->current_dns_server = l->dhcp_dns_servers; + l->current_dns_server = l->dns_servers; return l->current_dns_server; } @@ -273,13 +265,7 @@ void link_next_dns_server(Link *l) { /* Switch to the next DNS server */ if (!l->current_dns_server) { - l->current_dns_server = l->link_dns_servers; - if (l->current_dns_server) - return; - } - - if (!l->current_dns_server) { - l->current_dns_server = l->dhcp_dns_servers; + l->current_dns_server = l->dns_servers; if (l->current_dns_server) return; } @@ -292,12 +278,7 @@ void link_next_dns_server(Link *l) { return; } - if (l->current_dns_server->source == DNS_SERVER_LINK) - l->current_dns_server = l->dhcp_dns_servers; - else { - assert(l->current_dns_server->source == DNS_SERVER_DHCP); - l->current_dns_server = l->link_dns_servers; - } + l->current_dns_server = l->dns_servers; } int link_address_new(Link *l, LinkAddress **ret, int family, union in_addr_union *in_addr) { -- cgit v1.2.3-54-g00ecf