1993/0428/port/auth.c (diff list | history)

1993/0427/sys/src/9/port/auth.c:150,156 – 1993/0428/sys/src/9/port/auth.c:150,155 (short | long | prev | next)
1993/0407		poperror(); if(convM2S(buf, &f, n) == 0){
1993/0411		unlock(&s->send);
1993/0427		print("error converting %d bytes %ux %ux %ux\n", n, buf[0], buf[1], buf[2]);
1993/0407		error(Emountrpc); } switch(f.type){
1993/0427/sys/src/9/port/auth.c:164,170 – 1993/0428/sys/src/9/port/auth.c:163,168
1993/0407		error(f.ename); default:
1993/0411		unlock(&s->send);
1993/0427		print("error using %d bytes %ux %ux %ux\n", n, buf[0], buf[1], buf[2]);
1993/0407		error(Emountrpc); }
1993/0330		}
1993/0427/sys/src/9/port/auth.c:363,370 – 1993/0428/sys/src/9/port/auth.c:361,368
1993/0330		* * The protocol is * 1) read ticket request from #c/authenticate * 2) write ticket to #c/authenticate. if it matchs the challenge the * user is changed to the suid field of the ticket
1993/0428		* 2) write ticket+authenticator to #c/authenticate. if it matches * the challenge the user is changed to the suid field of the ticket
1993/0330		* 3) read authenticator (to confirm this is the server advertised) */ long
1993/0427/sys/src/9/port/auth.c:382,387 – 1993/0428/sys/src/9/port/auth.c:380,386
1993/0330		error(Ebadarg); c->aux = newcrypt(); cp = c->aux;
1993/0428
1993/0330		memset(&tr, 0, sizeof(tr)); tr.type = AuthTreq; strcpy(tr.hostid, eve);
1993/0427/sys/src/9/port/auth.c:399,408 – 1993/0428/sys/src/9/port/auth.c:398,410
1993/0330		if(n != AUTHENTLEN) error(Ebadarg); cp = c->aux;
1993/0428
1993/0330		cp->a.num = AuthAs; memmove(cp->a.chal, cp->t.chal, CHALLEN); cp->a.id = 0; convA2M(&cp->a, a, cp->t.key);
1993/0428		convA2M(&cp->a, cp->tbuf, cp->t.key); memmove(a, cp->tbuf, AUTHENTLEN);
1993/0330		freecrypt(cp); c->aux = 0; }
1993/0427/sys/src/9/port/auth.c:414,427 – 1993/0428/sys/src/9/port/auth.c:416,437
1993/0330		{ Crypt *cp; if(n != TICKETLEN)
1993/0428		if(n != TICKETLEN+AUTHENTLEN)
1993/0330		error(Ebadarg); if(c->aux == 0) error(Ebadarg); cp = c->aux; convM2T(a, &cp->t, evekey);
1993/0428		memmove(cp->tbuf, a, TICKETLEN); convM2T(cp->tbuf, &cp->t, evekey);
1993/0330		if(cp->t.num != AuthTs || memcmp(cp->a.chal, cp->t.chal, CHALLEN)) error(Eperm);
1993/0428		memmove(cp->tbuf, a+TICKETLEN, AUTHENTLEN); convM2A(cp->tbuf, &cp->a, cp->t.key); if(cp->a.num != AuthAc || memcmp(cp->a.chal, cp->t.chal, CHALLEN)) error(Eperm);
1993/0330		memmove(u->p->user, cp->t.suid, NAMELEN); return n; }
1993/0427/sys/src/9/port/auth.c:441,454 – 1993/0428/sys/src/9/port/auth.c:451,514
1993/0330		if(c->aux == 0) c->aux = newcrypt(); cp = c->aux; convM2T(a, &cp->t, evekey);
1993/0428		memmove(cp->tbuf, a, TICKETLEN); convM2T(cp->tbuf, &cp->t, evekey);
1993/0402		if(cp->t.num != AuthTc)
1993/0330		error(Ebadarg);
1993/0402		if(strcmp(u->p->user, cp->t.cuid)) error(cp->t.cuid);
1993/0330		convM2A(a+TICKETLEN, &cp->a, cp->t.key);
1993/0428		memmove(cp->tbuf, a+TICKETLEN, AUTHENTLEN); convM2A(cp->tbuf, &cp->a, cp->t.key);
1993/0330		if(cp->a.num != AuthAs || memcmp(cp->t.chal, cp->a.chal, CHALLEN)) error(Eperm);
1993/0428		return n; } /* * called by devcons() for #c/authenticator * * a read after a write of a ticket returns an authenticator * for that ticket. */ long authentwrite(Chan *c, char *a, int n) { Crypt *cp; if(n != TICKETLEN) error(Ebadarg); if(c->aux == 0) c->aux = newcrypt(); cp = c->aux; memmove(cp->tbuf, a, TICKETLEN); convM2T(cp->tbuf, &cp->t, evekey); if(cp->t.num != AuthTc || strcmp(cp->t.cuid, u->p->user)){ freecrypt(cp); c->aux = 0; error(Ebadarg); } return n; } long authentread(Chan *c, char *a, int n) { Crypt *cp; cp = c->aux; if(cp == 0) error("authenticator read must follow a write"); cp->a.num = AuthAc; memmove(cp->a.chal, cp->t.chal, CHALLEN); cp->a.id = 0; convA2M(&cp->a, cp->tbuf, cp->t.key); memmove(a, cp->tbuf, AUTHENTLEN);
1993/0330		return n; }