merge
This commit is contained in:
commit
1984f6813c
5 changed files with 90 additions and 99 deletions
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@ -49,7 +49,7 @@ query, ipquery, mkhash, mkdb, mkhosts, cs, csquery, dns, dnstcp, dnsquery, dnsde
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.B -s
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]
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[
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.I server
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.I /net/cs
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[
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.I addr...
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]
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@ -91,6 +91,8 @@ query, ipquery, mkhash, mkdb, mkhosts, cs, csquery, dns, dnstcp, dnsquery, dnsde
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.B ndb/dnsquery
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[
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.B -x
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] [
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.I /net/dns
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]
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.br
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.B ndb/dnsdebug
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@ -535,7 +535,7 @@ mathemu(Ureg *ureg, void*)
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case FPinit:
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fpinit();
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index = up->fpstate >> FPindexs;
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if(index < 0 || index > FPindexm)
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if(index < 0 || index > (FPindexm>>FPindexs))
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panic("fpslot index overflow: %d", index);
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if(userureg(ureg)){
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if(index != 0)
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@ -684,7 +684,7 @@ procsave(Proc *p)
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* emulation fault to activate the FPU.
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*/
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fpsave(p->fpsave);
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p->fpstate = FPinactive | (p->fpstate & (FPpush|FPnouser|FPkernel|FPindexm));
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p->fpstate = FPinactive | (p->fpstate & ~FPactive);
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break;
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}
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@ -729,7 +729,8 @@ fpurestore(int ostate)
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if((astate & ~(FPnouser|FPkernel|FPindexm)) == FPactive)
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_stts();
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up->fpsave = up->fpslot[ostate>>FPindexs];
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ostate = FPinactive | (ostate & (FPillegal|FPpush|FPnouser|FPkernel|FPindexm));
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if(ostate & FPactive)
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ostate = FPinactive | (ostate & ~FPactive);
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}
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up->fpstate = ostate;
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}
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@ -542,9 +542,9 @@ awaitack(int fd, int block)
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if (Debug)
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syslog(dbg, flog, "tftpd %d read ack of %d bytes "
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"for block %d", pid, al, ackblock);
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if(ackblock == block)
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if(ackblock == (block & 0xffff))
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return Ackok; /* for block just sent */
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else if(ackblock == block + 1) /* intel pxe eof bug */
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else if(ackblock == (block + 1 & 0xffff)) /* intel pxe eof bug */
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return Ackok;
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else if(ackblock == 0xffff)
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return Ackrexmit;
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@ -121,6 +121,32 @@ longtime(long t)
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return x;
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}
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/*
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* convert address into a reverse lookup address
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*/
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static void
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mkptrname(char *ip, char *rip, int rlen)
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{
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uchar a[IPaddrlen];
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char *p, *e;
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int i;
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if(cistrstr(ip, "in-addr.arpa") || cistrstr(ip, "ip6.arpa") || parseip(a, ip) == -1)
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snprint(rip, rlen, "%s", ip);
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else if(isv4(a))
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snprint(rip, rlen, "%ud.%ud.%ud.%ud.in-addr.arpa",
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a[15], a[14], a[13], a[12]);
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else{
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p = rip;
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e = rip + rlen;
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for(i = 15; i >= 0; i--){
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p = seprint(p, e, "%ux.", a[i]&0xf);
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p = seprint(p, e, "%ux.", a[i]>>4);
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}
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seprint(p, e, "ip6.arpa");
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}
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}
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int
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prettyrrfmt(Fmt *f)
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{
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@ -372,7 +398,6 @@ void
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doquery(char *name, char *tstr)
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{
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int len, type, rooted;
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char *p, *np;
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char buf[1024];
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RR *rr, *rp;
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Request req;
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@ -387,6 +412,13 @@ doquery(char *name, char *tstr)
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else
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tstr = "ip";
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/* look it up */
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type = rrtype(tstr);
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if(type < 0){
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print("!unknown type %s\n", tstr);
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return;
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}
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/* if name end in '.', remove it */
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len = strlen(name);
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if(len > 0 && name[len-1] == '.'){
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@ -396,34 +428,10 @@ doquery(char *name, char *tstr)
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rooted = 0;
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/* inverse queries may need to be permuted */
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strncpy(buf, name, sizeof buf);
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if(strcmp("ptr", tstr) == 0 && cistrstr(name, ".arpa") == nil){
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/* TODO: reversing v6 addrs is harder */
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for(p = name; *p; p++)
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;
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*p = '.';
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np = buf;
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len = 0;
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while(p >= name){
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len++;
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p--;
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if(*p == '.'){
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memmove(np, p+1, len);
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np += len;
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len = 0;
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}
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}
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memmove(np, p+1, len);
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np += len;
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strcpy(np, "in-addr.arpa"); /* TODO: ip6.arpa for v6 */
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}
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/* look it up */
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type = rrtype(tstr);
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if(type < 0){
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print("!unknown type %s\n", tstr);
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return;
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}
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if(type == Tptr)
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mkptrname(name, buf, sizeof buf);
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else
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strncpy(buf, name, sizeof buf);
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memset(&req, 0, sizeof req);
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getactivity(&req, 0);
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@ -6,35 +6,6 @@
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#include "dns.h"
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#include "ip.h"
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static int domount;
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static char *mtpt, *dns, *srv;
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static int
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setup(int argc, char **argv)
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{
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int fd;
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if(argc == 1){
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domount = 0;
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mtpt = argv[0];
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}
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fd = open(dns, ORDWR);
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if(fd < 0){
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if(domount == 0)
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sysfatal("can't open %s: %r", dns);
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fd = open(srv, ORDWR);
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if(fd < 0)
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sysfatal("can't open %s: %r", srv);
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if(mount(fd, -1, mtpt, MBEFORE, "") < 0)
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sysfatal("can't mount(%s, %s): %r", srv, mtpt);
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fd = open(dns, ORDWR);
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if(fd < 0)
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sysfatal("can't open %s: %r", dns);
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}
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return fd;
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}
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static void
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querydns(int fd, char *line, int n)
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{
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@ -52,11 +23,37 @@ querydns(int fd, char *line, int n)
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}
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}
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/*
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* convert address into a reverse lookup address
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*/
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static void
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mkptrname(char *ip, char *rip, int rlen)
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{
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uchar a[IPaddrlen];
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char *p, *e;
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int i;
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if(cistrstr(ip, "in-addr.arpa") || cistrstr(ip, "ip6.arpa") || parseip(a, ip) == -1)
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snprint(rip, rlen, "%s", ip);
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else if(isv4(a))
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snprint(rip, rlen, "%ud.%ud.%ud.%ud.in-addr.arpa",
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a[15], a[14], a[13], a[12]);
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else{
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p = rip;
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e = rip + rlen;
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for(i = 15; i >= 0; i--){
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p = seprint(p, e, "%ux.", a[i]&0xf);
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p = seprint(p, e, "%ux.", a[i]>>4);
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}
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seprint(p, e, "ip6.arpa");
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}
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}
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static void
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query(int fd)
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{
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int n, len;
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char *lp, *p, *np;
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int n;
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char *lp;
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char buf[1024], line[1024];
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Biobuf in;
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@ -84,31 +81,10 @@ query(int fd)
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n += 3;
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}
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/* inverse queries may need to be permuted */
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if(n > 4 && strcmp(" ptr", &line[n-4]) == 0 &&
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cistrstr(line, ".arpa") == nil){
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/* TODO: reversing v6 addrs is harder */
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for(p = line; *p; p++)
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if(*p == ' '){
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*p = '.';
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break;
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}
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np = buf;
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len = 0;
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while(p >= line){
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len++;
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p--;
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if(*p == '.'){
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memmove(np, p+1, len);
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np += len;
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len = 0;
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}
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}
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memmove(np, p+1, len);
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np += len;
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strcpy(np, "in-addr.arpa ptr"); /* TODO: ip6.arpa for v6 */
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strcpy(line, buf);
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n = strlen(line);
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if(n > 4 && strcmp(" ptr", &line[n-4]) == 0){
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line[n-4] = 0;
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mkptrname(line, buf, sizeof buf);
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n = snprint(line, sizeof line, "%s ptr", buf);
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}
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querydns(fd, line, n);
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@ -119,21 +95,25 @@ query(int fd)
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void
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main(int argc, char *argv[])
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{
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mtpt = "/net";
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dns = "/net/dns";
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srv = "/srv/dns";
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domount = 1;
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char *dns = "/net/dns";
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int fd;
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ARGBEGIN {
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case 'x':
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mtpt = "/net.alt";
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dns = "/net.alt/dns";
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srv = "/srv/dns_net.alt";
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break;
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default:
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fprint(2, "usage: %s [-x] [dns-mount-point]\n", argv0);
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fprint(2, "usage: %s [-x] [/net/dns]\n", argv0);
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exits("usage");
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} ARGEND;
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query(setup(argc, argv));
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if(argc > 0)
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dns = argv[0];
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fd = open(dns, ORDWR);
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if(fd < 0)
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sysfatal("can't open %s: %r", dns);
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query(fd);
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exits(0);
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}
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