diff options
| -rw-r--r-- | source4/dns_server/dlz_bind9.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/source4/dns_server/dlz_bind9.c b/source4/dns_server/dlz_bind9.c index 3c8107a3f2..1b522632aa 100644 --- a/source4/dns_server/dlz_bind9.c +++ b/source4/dns_server/dlz_bind9.c @@ -1085,6 +1085,21 @@ static isc_result_t b9_add_record(struct dlz_bind9_data *state, const char *name return ISC_R_SUCCESS; } +/* + see if two DNS names are the same + */ +static bool dns_name_equal(const char *name1, const char *name2) +{ + size_t len1 = strlen(name1); + size_t len2 = strlen(name2); + if (name1[len1-1] == '.') len1--; + if (name2[len2-1] == '.') len2--; + if (len1 != len2) { + return false; + } + return strncasecmp_m(name1, name2, len1) == 0; +} + /* see if two dns records match @@ -1107,31 +1122,31 @@ static bool b9_record_match(struct dlz_bind9_data *state, case DNS_TYPE_AAAA: return strcmp(rec1->data.ipv6, rec2->data.ipv6) == 0; case DNS_TYPE_CNAME: - return strcmp(rec1->data.cname, rec2->data.cname) == 0; + return dns_name_equal(rec1->data.cname, rec2->data.cname); case DNS_TYPE_TXT: return strcmp(rec1->data.txt, rec2->data.txt) == 0; case DNS_TYPE_PTR: return strcmp(rec1->data.ptr, rec2->data.ptr) == 0; case DNS_TYPE_NS: - return strcmp(rec1->data.ns, rec2->data.ns) == 0; + return dns_name_equal(rec1->data.ns, rec2->data.ns); case DNS_TYPE_SRV: return rec1->data.srv.wPriority == rec2->data.srv.wPriority && rec1->data.srv.wWeight == rec2->data.srv.wWeight && rec1->data.srv.wPort == rec2->data.srv.wPort && - strcmp(rec1->data.srv.nameTarget, rec2->data.srv.nameTarget) == 0; + dns_name_equal(rec1->data.srv.nameTarget, rec2->data.srv.nameTarget); case DNS_TYPE_MX: return rec1->data.mx.wPriority == rec2->data.mx.wPriority && - strcmp(rec1->data.mx.nameTarget, rec2->data.mx.nameTarget) == 0; + dns_name_equal(rec1->data.mx.nameTarget, rec2->data.mx.nameTarget); case DNS_TYPE_HINFO: return strcmp(rec1->data.hinfo.cpu, rec2->data.hinfo.cpu) == 0 && strcmp(rec1->data.hinfo.os, rec2->data.hinfo.os) == 0; case DNS_TYPE_SOA: - return strcmp(rec1->data.soa.mname, rec2->data.soa.mname) == 0 && - strcmp(rec1->data.soa.rname, rec2->data.soa.rname) == 0 && + return dns_name_equal(rec1->data.soa.mname, rec2->data.soa.mname) && + dns_name_equal(rec1->data.soa.rname, rec2->data.soa.rname) && rec1->data.soa.serial == rec2->data.soa.serial && rec1->data.soa.refresh == rec2->data.soa.refresh && rec1->data.soa.retry == rec2->data.soa.retry && |