diff options
| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2018-07-10 19:57:55 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2018-07-10 19:57:55 +0200 |
| commit | 24611cf5ed0f34edc6b843a621b63b710f51570a (patch) | |
| tree | 96235cd57cd90694fa583caf5fecd1b3e528579e | |
| parent | a8a642920444ec6689ccfae81a1b1e148f75190e (diff) | |
ndb/cs: add -6 flag for v6 only lookups and "ipv4" control message to toggle v4 lookups.
| -rw-r--r-- | sys/man/8/ndb | 12 | ||||
| -rw-r--r-- | sys/src/cmd/ndb/cs.c | 14 |
2 files changed, 23 insertions, 3 deletions
diff --git a/sys/man/8/ndb b/sys/man/8/ndb index 52fa8a009..6cf2405ba 100644 --- a/sys/man/8/ndb +++ b/sys/man/8/ndb @@ -35,7 +35,7 @@ query, ipquery, mkhash, mkdb, mkhosts, cs, csquery, dns, dnstcp, dnsquery, dnsde .br .B ndb/cs [ -.B -4n +.B -46n ] [ .B -f .I dbfile @@ -257,10 +257,18 @@ The options are: Only look up IPv4 addresses (A records) when consulting DNS. The default is to also look up v6 addresses (AAAA records). Writing +.L ipv4 +to +.B /net/cs +will toggle IP v4 look-ups. +.TP +.B -6 +Only look up IPv6 addresses in DNS. +Writing .L ipv6 to .B /net/cs -will toggle IP v6 look-ups. +toggles v6 lookups. .TP .B -f supplies the name of the data base file to use, diff --git a/sys/src/cmd/ndb/cs.c b/sys/src/cmd/ndb/cs.c index ba3d5e622..3fc9d0b3e 100644 --- a/sys/src/cmd/ndb/cs.c +++ b/sys/src/cmd/ndb/cs.c @@ -196,7 +196,7 @@ nstrcpy(char *to, char *from, int len) void usage(void) { - fprint(2, "usage: %s [-dn] [-f ndb-file] [-x netmtpt]\n", argv0); + fprint(2, "usage: %s [-46dn] [-f ndb-file] [-x netmtpt]\n", argv0); exits("usage"); } @@ -238,6 +238,9 @@ main(int argc, char *argv[]) case '4': lookipvers = V4; break; + case '6': + lookipvers = V6; + break; case 'd': debug = 1; break; @@ -800,6 +803,15 @@ rwrite(Job *job, Mfile *mf) } /* + * toggle ipv4 lookups + */ + if(strncmp(job->request.data, "ipv4", 4)==0){ + lookipvers ^= V4; + syslog(1, logfile, "ipv4lookups %d", (lookipvers & V4) != 0); + goto send; + } + + /* * toggle ipv6 lookups */ if(strncmp(job->request.data, "ipv6", 4)==0){ |