diff options
Diffstat (limited to 'src/resolve/resolved-dns-scope.c')
| -rw-r--r-- | src/resolve/resolved-dns-scope.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-scope.c b/src/resolve/resolved-dns-scope.c index 91e23531f5..11c3294ff3 100644 --- a/src/resolve/resolved-dns-scope.c +++ b/src/resolve/resolved-dns-scope.c @@ -161,7 +161,7 @@ void dns_scope_packet_lost(DnsScope *s, usec_t usec) { s->resend_timeout = MIN(s->resend_timeout * 2, MULTICAST_RESEND_TIMEOUT_MAX_USEC); } -int dns_scope_emit(DnsScope *s, int fd, DnsServer *server, DnsPacket *p) { +static int dns_scope_emit_one(DnsScope *s, int fd, DnsServer *server, DnsPacket *p) { union in_addr_union addr; int ifindex = 0, r; int family; @@ -278,6 +278,31 @@ int dns_scope_emit(DnsScope *s, int fd, DnsServer *server, DnsPacket *p) { return 1; } +int dns_scope_emit(DnsScope *s, int fd, DnsServer *server, DnsPacket *p) { + int r; + + assert(s); + assert(p); + assert(p->protocol == s->protocol); + assert((s->protocol == DNS_PROTOCOL_DNS) != (fd < 0)); + + do { + /* If there are multiple linked packets, set the TC bit in all but the last of them */ + if (p->more) { + assert(p->protocol == DNS_PROTOCOL_MDNS); + dns_packet_set_truncated_flag(p, true); + } + + r = dns_scope_emit_one(s, fd, server, p); + if (r < 0) + return r; + + p = p->more; + } while(p); + + return 0; +} + static int dns_scope_socket(DnsScope *s, int type, int family, const union in_addr_union *address, uint16_t port, DnsServer **server) { DnsServer *srv = NULL; _cleanup_close_ int fd = -1; |