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This commit is contained in:
mike 2003-04-28 18:32:19 +00:00
parent 647f79f459
commit 3e80873bba
1 changed files with 20 additions and 25 deletions
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45
sys/kern/kern_jail.c
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@ -75,13 +75,13 @@ SYSINIT(prison, SI_SUB_INTRINSIC, SI_ORDER_ANY, init_prison, NULL);
/*
* MPSAFE
*
* struct jail_args {
* struct jail *jail;
* };
*/
int
jail(td, uap)
struct thread *td;
struct jail_args /* {
struct jail *jail;
} */ *uap;
jail(struct thread *td, struct jail_args *uap)
{
struct nameidata nd;
struct prison *pr, *tpr;
@ -89,16 +89,16 @@ jail(td, uap)
struct jail_attach_args jaa;
int error, tryprid;
error = copyin(uap->jail, &j, sizeof j);
error = copyin(uap->jail, &j, sizeof(j));
if (error)
return (error);
if (j.version != 0)
return (EINVAL);
MALLOC(pr, struct prison *, sizeof *pr , M_PRISON, M_WAITOK | M_ZERO);
MALLOC(pr, struct prison *, sizeof(*pr), M_PRISON, M_WAITOK | M_ZERO);
mtx_init(&pr->pr_mtx, "jail mutex", NULL, MTX_DEF);
pr->pr_ref = 1;
error = copyinstr(j.path, &pr->pr_path, sizeof pr->pr_path, 0);
error = copyinstr(j.path, &pr->pr_path, sizeof(pr->pr_path), 0);
if (error)
goto e_killmtx;
mtx_lock(&Giant);
@ -112,7 +112,7 @@ jail(td, uap)
VOP_UNLOCK(nd.ni_vp, 0, td);
NDFREE(&nd, NDF_ONLY_PNBUF);
mtx_unlock(&Giant);
error = copyinstr(j.hostname, &pr->pr_host, sizeof pr->pr_host, 0);
error = copyinstr(j.hostname, &pr->pr_host, sizeof(pr->pr_host), 0);
if (error)
goto e_dropvnref;
pr->pr_ip = j.ip_number;
@ -166,13 +166,13 @@ jail(td, uap)
/*
* MPSAFE
*
* struct jail_attach_args {
* int jid;
* };
*/
int
jail_attach(td, uap)
struct thread *td;
struct jail_attach_args /* {
int jid;
} */ *uap;
jail_attach(struct thread *td, struct jail_attach_args *uap)
{
struct proc *p;
struct ucred *newcred, *oldcred;
@ -345,9 +345,10 @@ prison_remote_ip(struct ucred *cred, int flag, u_int32_t *ip)
int
prison_if(struct ucred *cred, struct sockaddr *sa)
{
struct sockaddr_in *sai = (struct sockaddr_in*) sa;
struct sockaddr_in *sai;
int ok;
sai = (struct sockaddr_in *)sa;
if ((sai->sin_family != AF_INET) && jail_socket_unixiproute_only)
ok = 1;
else if (sai->sin_family != AF_INET)
@ -363,8 +364,7 @@ prison_if(struct ucred *cred, struct sockaddr *sa)
* Return 0 if jails permit p1 to frob p2, otherwise ESRCH.
*/
int
prison_check(cred1, cred2)
struct ucred *cred1, *cred2;
prison_check(struct ucred *cred1, struct ucred *cred2)
{
if (jailed(cred1)) {
@ -381,8 +381,7 @@ prison_check(cred1, cred2)
* Return 1 if the passed credential is in a jail, otherwise 0.
*/
int
jailed(cred)
struct ucred *cred;
jailed(struct ucred *cred)
{
return (cred->cr_prison != NULL);
@ -392,18 +391,14 @@ jailed(cred)
* Return the correct hostname for the passed credential.
*/
void
getcredhostname(cred, buf, size)
struct ucred *cred;
char *buf;
size_t size;
getcredhostname(struct ucred *cred, char *buf, size_t size)
{
if (jailed(cred)) {
mtx_lock(&cred->cr_prison->pr_mtx);
strlcpy(buf, cred->cr_prison->pr_host, size);
mtx_unlock(&cred->cr_prison->pr_mtx);
}
else
} else
strlcpy(buf, hostname, size);
}