X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fresolve%2Fresolved-dns-packet.c;h=32c4876a54a2e8e80494c1b0cb0cf13e343d93df;hb=cbd67a86fbb0452bb4a341783b15eb504a432fc0;hp=f22582971e6fefb1062445cc6014eccf54683d05;hpb=9de3e3294065e8697ff10130b53f274319cdcf6f;p=elogind.git diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c index f22582971..32c4876a5 100644 --- a/src/resolve/resolved-dns-packet.c +++ b/src/resolve/resolved-dns-packet.c @@ -497,7 +497,7 @@ int dns_packet_append_rr(DnsPacket *p, const DnsResourceRecord *rr, size_t *star if (r < 0) goto fail; - switch (rr->key->type) { + switch (rr->unparseable ? _DNS_TYPE_INVALID : rr->key->type) { case DNS_TYPE_PTR: case DNS_TYPE_NS: @@ -570,10 +570,40 @@ int dns_packet_append_rr(DnsPacket *p, const DnsResourceRecord *rr, size_t *star r = dns_packet_append_name(p, rr->mx.exchange, NULL); break; + case DNS_TYPE_LOC: + r = dns_packet_append_uint8(p, rr->loc.version, NULL); + if (r < 0) + goto fail; + + r = dns_packet_append_uint8(p, rr->loc.size, NULL); + if (r < 0) + goto fail; + + r = dns_packet_append_uint8(p, rr->loc.horiz_pre, NULL); + if (r < 0) + goto fail; + + r = dns_packet_append_uint8(p, rr->loc.vert_pre, NULL); + if (r < 0) + goto fail; + + r = dns_packet_append_uint16(p, rr->loc.latitude, NULL); + if (r < 0) + goto fail; + + r = dns_packet_append_uint16(p, rr->loc.longitude, NULL); + if (r < 0) + goto fail; + + r = dns_packet_append_uint16(p, rr->loc.altitude, NULL); + break; + case DNS_TYPE_SRV: case DNS_TYPE_DNAME: case DNS_TYPE_SSHFP: + case _DNS_TYPE_INVALID: /* unparseable */ default: + r = dns_packet_append_blob(p, rr->generic.data, rr->generic.size, NULL); break; } @@ -938,7 +968,7 @@ int dns_packet_read_rr(DnsPacket *p, DnsResourceRecord **ret, size_t *start) { case DNS_TYPE_TXT: { char *s; - while (p->rindex < p->size) { + while (p->rindex < offset + rdlength) { r = dns_packet_read_string(p, &s, NULL); if (r < 0) goto fail; @@ -994,6 +1024,49 @@ int dns_packet_read_rr(DnsPacket *p, DnsResourceRecord **ret, size_t *start) { r = dns_packet_read_name(p, &rr->mx.exchange, NULL); break; + case DNS_TYPE_LOC: { + uint8_t t; + size_t pos; + + r = dns_packet_read_uint8(p, &t, &pos); + if (r < 0) + goto fail; + + if (t == 0) { + rr->loc.version = t; + + r = dns_packet_read_uint8(p, &rr->loc.size, NULL); + if (r < 0) + goto fail; + + r = dns_packet_read_uint8(p, &rr->loc.horiz_pre, NULL); + if (r < 0) + goto fail; + + r = dns_packet_read_uint8(p, &rr->loc.vert_pre, NULL); + if (r < 0) + goto fail; + + r = dns_packet_read_uint32(p, &rr->loc.latitude, NULL); + if (r < 0) + goto fail; + + r = dns_packet_read_uint32(p, &rr->loc.longitude, NULL); + if (r < 0) + goto fail; + + r = dns_packet_read_uint32(p, &rr->loc.altitude, NULL); + if (r < 0) + goto fail; + + break; + } else { + dns_packet_rewind(p, pos); + rr->unparseable = true; + /* fall through */ + } + } + case DNS_TYPE_SRV: case DNS_TYPE_DNAME: case DNS_TYPE_SSHFP: