diff options
| -rw-r--r-- | src/cmd/9pserve.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/cmd/9pserve.c b/src/cmd/9pserve.c index 8e03843a..264b34b6 100644 --- a/src/cmd/9pserve.c +++ b/src/cmd/9pserve.c @@ -132,6 +132,8 @@ int timefmt(Fmt*); void dorootstat(void); int stripudirread(Msg*); int cvtustat(Fcall*, uchar**, int); +void cvtuauthattach(Fcall*, uchar**); +void cvtucreate(Fcall*, uchar**); void usage(void) @@ -439,6 +441,8 @@ connthread(void *arg) m->tx.uname = getuser(); /* what srv.c used */ repack(&m->tx, &m->tpkt, c->dotu); } + if(dotu && !c->dotu) + cvtuauthattach(&m->tx, &m->tpkt); break; case Twalk: if((m->fid = gethash(c->fid, m->tx.fid)) == nil){ @@ -473,12 +477,16 @@ connthread(void *arg) continue; } m->afid->ref++; + if(dotu && !c->dotu) + cvtuauthattach(&m->tx, &m->tpkt); break; case Tcreate: if(dotu && !c->dotu && (m->tx.perm&(DMSYMLINK|DMDEVICE|DMNAMEDPIPE|DMSOCKET))){ err(m, "unsupported file type"); continue; } + if(dotu && !c->dotu) + cvtucreate(&m->tx, &m->tpkt); goto caseTopen; case Topenfd: if(m->tx.mode&~(OTRUNC|3)){ @@ -1532,3 +1540,48 @@ stripudirread(Msg* msg) return 0; } +void* +updateptr(uchar *p0, uchar *p0old, void *p) +{ + return p0 + ((uchar*)p - p0old); +} + +uchar* +growpkt(uchar **ppkt, int sz) +{ + int n; + uchar *ap, *pkt; + + pkt = *ppkt; + n = GBIT32(pkt); + pkt = erealloc(pkt, n+sz); + PBIT32(pkt, n+sz); + ap = &pkt[n]; + memset(ap, 0, sz); + *ppkt = pkt; + return ap; +} +void +cvtuauthattach(Fcall *f, uchar **ppkt) +{ + uchar *opkt, *ap; + + opkt = *ppkt; + ap = growpkt(ppkt, BIT32SZ); + PBIT32(ap, NOUID); + + if(*ppkt != opkt){ + f->uname = updateptr(*ppkt, opkt, f->uname); + f->aname = updateptr(*ppkt, opkt, f->aname); + } +} +void +cvtucreate(Fcall *f, uchar **ppkt) +{ + uchar *opkt; + + opkt = *ppkt; + growpkt(ppkt, BIT16SZ); /* add an empty `extension' */ + if(*ppkt != opkt) + f->name = updateptr(*ppkt, opkt, f->name); +} |