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devssl, devtls: fix permission checks

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This commit is contained in:
cinap_lenrek 2016-05-11 02:10:05 +02:00
parent a630e17bd7
commit cb4b187f10
2 changed files with 3 additions and 39 deletions
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21
sys/src/9/port/devssl.c
View file

@ -263,23 +263,8 @@ static Chan*
sslopen(Chan *c, int omode)
{
Dstate *s, **pp;
int perm;
int ft;
perm = 0;
omode &= 3;
switch(omode) {
case OREAD:
perm = 4;
break;
case OWRITE:
perm = 2;
break;
case ORDWR:
perm = 6;
break;
}
ft = TYPE(c->qid);
switch(ft) {
default:
@ -309,11 +294,7 @@ sslopen(Chan *c, int omode)
if(s == 0)
dsnew(c, pp);
else {
if((perm & (s->perm>>6)) != perm
&& (strcmp(up->user, s->user) != 0
|| (perm & s->perm) != perm))
error(Eperm);
devpermcheck(s->user, s->perm, omode);
s->ref++;
}
unlock(&dslock);

21
sys/src/9/port/devtls.c
View file

@ -424,21 +424,7 @@ static Chan*
tlsopen(Chan *c, int omode)
{
TlsRec *tr, **pp;
int t, perm;
perm = 0;
omode &= 3;
switch(omode) {
case OREAD:
perm = 4;
break;
case OWRITE:
perm = 2;
break;
case ORDWR:
perm = 6;
break;
}
int t;
t = TYPE(c->qid);
switch(t) {
@ -471,10 +457,7 @@ tlsopen(Chan *c, int omode)
tr = *pp;
if(tr == nil)
error("must open connection using clone");
if((perm & (tr->perm>>6)) != perm
&& (strcmp(up->user, tr->user) != 0
|| (perm & tr->perm) != perm))
error(Eperm);
devpermcheck(tr->user, tr->perm, omode);
if(t == Qhand){
if(waserror()){
unlock(&tr->hqlock);