1991/1114/port/net.c (diff list | history)

1991/1114/sys/src/9/port/net.c:25,30 – 1991/1115/sys/src/9/port/net.c:25,35 (short | long | prev | next)
1991/1107		Qid q; char buf[32]; Network *np = vp;
1991/1115		int t; int id; Netprot *p; int perm; char *o;
1991/1107		q.vers = 0;
1991/1114/sys/src/9/port/net.c:34,40 – 1991/1115/sys/src/9/port/net.c:39,45
1991/1107		case 0: q.path = CHDIR | Q2nd; strcpy(buf, np->name);
1991/1109		devdir(c, q, buf, 0, eve, 0666, dp);
1991/1115		devdir(c, q, buf, 0, eve, 0555, dp);
1991/1107		break; default: return -1;
1991/1114/sys/src/9/port/net.c:43,49 – 1991/1115/sys/src/9/port/net.c:48,55
1991/1107		} /* second level contains clone plus all the conversations */
1991/1114		if(STREAMTYPE(c->qid.path) == Q2nd){
1991/1115		t = STREAMTYPE(c->qid.path); if(t == Q2nd || t == Qclone){
1991/1107		if(i == 0){ q.path = Qclone;
1991/1109		devdir(c, q, "clone", 0, eve, 0666, dp);
1991/1114/sys/src/9/port/net.c:50,56 – 1991/1115/sys/src/9/port/net.c:56,62
1991/1114		}else if(i <= np->nconv){ q.path = CHDIR|STREAMQID(i-1, Q3rd); sprint(buf, "%d", i-1);
1991/1109		devdir(c, q, buf, 0, eve, 0666, dp);
1991/1115		devdir(c, q, buf, 0, eve, 0555, dp);
1991/1107		}else return -1; return 1;
1991/1114/sys/src/9/port/net.c:57,76 – 1991/1115/sys/src/9/port/net.c:63,91
1991/1107		} /* third level depends on the number of info files */
1991/1115		id = STREAMID(c->qid.path); p = &np->prot[id]; if(*p->owner){ o = p->owner; perm = p->mode; } else { o = eve; perm = 0666; }
1991/1107		switch(i){ case 0: q.path = STREAMQID(STREAMID(c->qid.path), Sdataqid);
1991/1109		devdir(c, q, "data", 0, eve, 0666, dp);
1991/1115		devdir(c, q, "data", 0, o, perm, dp);
1991/1107		break; case 1: q.path = STREAMQID(STREAMID(c->qid.path), Sctlqid);
1991/1109		devdir(c, q, "ctl", 0, eve, 0666, dp);
1991/1115		devdir(c, q, "ctl", 0, o, perm, dp);
1991/1107		break; case 2: if(np->listen == 0) return 0; q.path = STREAMQID(STREAMID(c->qid.path), Qlisten);
1991/1109		devdir(c, q, "listen", 0, eve, 0666, dp);
1991/1115		devdir(c, q, "listen", 0, o, perm, dp);
1991/1107		break; default: i -= 3;
1991/1114/sys/src/9/port/net.c:77,83 – 1991/1115/sys/src/9/port/net.c:92,98
1991/1108		if(i >= np->ninfo) return -1; q.path = STREAMQID(STREAMID(c->qid.path), Qinf+i);
1991/1109		devdir(c, q, np->info[i].name, 0, eve, 0666, dp);
1991/1115		devdir(c, q, np->info[i].name, 0, eve, 0444, dp);
1991/1108		break;
1991/1107		} return 1;
1991/1114/sys/src/9/port/net.c:117,123 – 1991/1115/sys/src/9/port/net.c:132,138
1991/1108		* here, which is good because we've lost the name by now. */ if(c->qid.path & CHDIR){
1991/1109		devdir(c, c->qid, ".", 0L, eve, CHDIR|0700, &dir);
1991/1115		devdir(c, c->qid, ".", 0L, eve, CHDIR|0555, &dir);
1991/1108		convD2M(&dir, db); return; }
1991/1114/sys/src/9/port/net.c:134,143 – 1991/1115/sys/src/9/port/net.c:149,176
1991/1108		} }
1991/1115		void netwstat(Chan *c, char *db, Network *np) { Dir dir; Netprot *p; p = &np->prot[STREAMID(c->qid.path)]; lock(np); if(strncmp(p->owner, u->p->user, NAMELEN)){ unlock(np); error(Eperm); } convM2D(db, &dir); strncpy(p->owner, dir.uid, NAMELEN); p->mode = dir.mode; unlock(np); }
1991/1107		Chan * netopen(Chan *c, int omode, Network *np) { int conv;
1991/1115		int id;
1991/1107		if(c->qid.path & CHDIR){ if(omode != OREAD)
1991/1114/sys/src/9/port/net.c:146,159 – 1991/1115/sys/src/9/port/net.c:179,197
1991/1107		switch(STREAMTYPE(c->qid.path)){ case Sdataqid: case Sctlqid:
1991/1115		id = STREAMID(c->qid.path); if(netown(np, id, u->p->user, omode&7) < 0) error(Eperm);
1991/1107		break; case Qlisten: conv = (*np->listen)(c); c->qid.path = STREAMQID(conv, Sctlqid);
1991/1115		streamopen(c, np->devp); id = (*np->listen)(c); streamclose(c); c->qid.path = STREAMQID(id, Sctlqid);
1991/1107		break; case Qclone: conv = (*np->clone)(c); c->qid.path = STREAMQID(conv, Sctlqid);
1991/1115		id = (*np->clone)(c); c->qid.path = STREAMQID(id, Sctlqid);
1991/1107		break; default: if(omode != OREAD)
1991/1114/sys/src/9/port/net.c:191,195 – 1991/1115/sys/src/9/port/net.c:229,272
1991/1107		error(Ebadusefd);
1991/1108		(*np->info[t-Qinf].fill)(c, buf, sizeof(buf));
1991/1107		return stringread(c, a, n, buf, offset);
1991/1115		return stringread(a, n, buf, offset); } int netown(Network *np, int id, char *o, int omode) { static int access[] = { 0400, 0200, 0600, 0100 }; Netprot *p; int mode; int t; p = &np->prot[id]; lock(np); if(*p->owner){ if(strncmp(o, p->owner, NAMELEN) == 0) /* User */ mode = p->mode; else if(strncmp(o, eve, NAMELEN) == 0) /* Bootes is group */ mode = p->mode<<3; else mode = p->mode<<6; /* Other */ t = access[omode&3]; if((t & mode) == t){ unlock(np); return 0; } else { unlock(np); return -1; } } strncpy(p->owner, o, NAMELEN); np->prot[id].mode = 0660; unlock(np); return 0; } void netdisown(Network *np, int id) { *np->prot[id].owner = 0;
1991/1107		}