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Project website docs.freebsd.org/en
Translation license BSD 2-Clause "Simplified" License
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  • Translations can be made directly.
  • Translation suggestions can be made.
  • Only chosen users can contribute.
  • The translation uses bilingual files.
File mask documentation/content/*/books/arch-handbook/jail/_index.po
Translation file Download documentation/content/es/books/arch-handbook/jail/_index.po
Last change Nov. 18, 2024, 6:45 p.m.
Last author Fernando Apesteguía

String statistics

Strings percent Hosted strings Words percent Hosted words Characters percent Hosted characters
Total 92 2,702 20,132
Translated 100% 92 100% 2,702 100% 20,132
Needs editing 0% 0 0% 0 0% 0
Read-only 0% 0 0% 0 0% 0
Failing checks 0% 0 0% 0 0% 0
Strings with suggestions 0% 0 0% 0 0% 0
Untranslated strings 0% 0 0% 0 0% 0
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Committed changes

Documentation / books/arch-handbook/jail/_index — Spanish

Committed changes 5 months ago
User avatar fernape

Translation changed

Documentation / books/arch-handbook/jail/_index — Spanish

Filesystem
Sistema de archivos
5 months ago
User avatar None

Committed changes

Documentation / books/arch-handbook/jail/_index — Spanish

Committed changes a year ago
User avatar fernape

Translation changed

Documentation / books/arch-handbook/jail/_index — Spanish

/usr/include/sys/jail.h:
struct prison {
LIST_ENTRY(prison) pr_list; /* (a) all prisons */
int pr_id; /* (c) prison id */
int pr_ref; /* (p) refcount */
char pr_path[MAXPATHLEN]; /* (c) chroot path */
struct vnode *pr_root; /* (c) vnode to rdir */
char pr_host[MAXHOSTNAMELEN]; /* (p) jail hostname */
u_int32_t pr_ip; /* (c) ip addr host */
void *pr_linux; /* (p) linux abi */
int pr_securelevel; /* (p) securelevel */
struct task pr_task; /* (d) destroy task */
struct mtx pr_mtx;
void **pr_slots; /* (p) additional data */
};
/usr/include/sys/jail.h:
struct prison {
LIST_ENTRY(prison) pr_list; /* (a) all prisons */
int pr_id; /* (c) prison id */
int pr_ref; /* (p) refcount */
char pr_path[MAXPATHLEN]; /* (c) chroot path */
struct vnode *pr_root; /* (c) vnode to rdir */
char pr_host[MAXHOSTNAMELEN]; /* (p) jail hostname */
u_int32_t pr_ip; /* (c) ip addr host */
void *pr_linux; /* (p) linux abi */
int pr_securelevel; /* (p) securelevel */
struct task pr_task; /* (d) destroy task */
struct mtx pr_mtx;
void **pr_slots; /* (p) additional data */
};
a year ago
User avatar fernape

New translation

Documentation / books/arch-handbook/jail/_index — Spanish

/usr/src/sys/ufs/ufs/ufs_vnops.c:
static int
ufs_setattr(ap)
...
{
...
if (!priv_check_cred(cred, PRIV_VFS_SYSFLAGS, 0)) {
if (ip->i_flags
& (SF_NOUNLINK | SF_IMMUTABLE | SF_APPEND)) {
error = securelevel_gt(cred, 0);
if (error)
return (error);
}
...
}
}
/usr/src/sys/kern/kern_priv.c
int
priv_check_cred(struct ucred *cred, int priv, int flags)
{
...
error = prison_priv_check(cred, priv);
if (error)
return (error);
...
}
/usr/src/sys/kern/kern_jail.c
int
prison_priv_check(struct ucred *cred, int priv)
{
...
switch (priv) {
...
case PRIV_VFS_SYSFLAGS:
if (jail_chflags_allowed)
return (0);
else
return (EPERM);
...
}
...
}
/usr/src/sys/ufs/ufs/ufs_vnops.c:
static int
ufs_setattr(ap)
...
{
...
if (!priv_check_cred(cred, PRIV_VFS_SYSFLAGS, 0)) {
if (ip->i_flags
& (SF_NOUNLINK | SF_IMMUTABLE | SF_APPEND)) {
error = securelevel_gt(cred, 0);
if (error)
return (error);
}
...
}
}
/usr/src/sys/kern/kern_priv.c
int
priv_check_cred(struct ucred *cred, int priv, int flags)
{
...
error = prison_priv_check(cred, priv);
if (error)
return (error);
...
}
/usr/src/sys/kern/kern_jail.c
int
prison_priv_check(struct ucred *cred, int priv)
{
...
switch (priv) {
...
case PRIV_VFS_SYSFLAGS:
if (jail_chflags_allowed)
return (0);
else
return (EPERM);
...
}
...
}
a year ago
User avatar fernape

New translation

Documentation / books/arch-handbook/jail/_index — Spanish

Even `root` users within the jail are not allowed to unset or modify any file flags, such as immutable, append-only, and undeleteable flags, if the securelevel is greater than 0.
Ni siquiera a los usuarios `root` de un jail se les permite cambiar ningún flag de fichero, como el flag de sólo lectura, sólo añadir, y flags de no borrado, si el securelevel es mayor que 0.
a year ago
User avatar fernape

New translation

Documentation / books/arch-handbook/jail/_index — Spanish

if (!jailed(cred))
return (0);
if (flag)
tmp = *ip;
else
tmp = ntohl(*ip);
if (tmp == INADDR_ANY) {
if (flag)
*ip = cred->cr_prison->pr_ip;
else
*ip = htonl(cred->cr_prison->pr_ip);
return (0);
}
if (tmp == INADDR_LOOPBACK) {
if (flag)
*ip = cred->cr_prison->pr_ip;
else
*ip = htonl(cred->cr_prison->pr_ip);
return (0);
}
if (cred->cr_prison->pr_ip != tmp)
return (1);
return (0);
}
if (!jailed(cred))
return (0);
if (flag)
tmp = *ip;
else
tmp = ntohl(*ip);
if (tmp == INADDR_ANY) {
if (flag)
*ip = cred->cr_prison->pr_ip;
else
*ip = htonl(cred->cr_prison->pr_ip);
return (0);
}
if (tmp == INADDR_LOOPBACK) {
if (flag)
*ip = cred->cr_prison->pr_ip;
else
*ip = htonl(cred->cr_prison->pr_ip);
return (0);
}
if (cred->cr_prison->pr_ip != tmp)
return (1);
return (0);
}
a year ago
User avatar fernape

New translation

Documentation / books/arch-handbook/jail/_index — Spanish

/usr/src/sys/kern/kern_jail.c:
int
prison_ip(struct ucred *cred, int flag, u_int32_t *ip)
{
u_int32_t tmp;
/usr/src/sys/kern/kern_jail.c:
int
prison_ip(struct ucred *cred, int flag, u_int32_t *ip)
{
u_int32_t tmp;
a year ago
User avatar fernape

New translation

Documentation / books/arch-handbook/jail/_index — Spanish

You might be wondering what function `prison_ip()` does. `prison_ip()` is given three arguments, a pointer to the credential(represented by `cred`), any flags, and an IP address. It returns 1 if the IP address does NOT belong to the jail or 0 otherwise. As you can see from the code, if it is indeed an IP address not belonging to the jail, the protocol is not allowed to bind to that address.
Puedes estar preguntándonte qué es lo que hace la función `prison_ip()`. `prison_ip()` recibe tres argumentos, un puntero a la credencial (representado por `cred`), unos flags, y una dirección IP. Devuelve 1 si la dirección IP NO pertenece al jail o 0 en caso contrario. Como puedes ver en el código, si la dirección IP no pertenece al jail, no se permite al protocolo enlazarse a esa dirección.
a year ago
User avatar fernape

New translation

Documentation / books/arch-handbook/jail/_index — Spanish

/usr/src/sys/netinet/in_pcb.c:
int
in_pcbbind_setup(struct inpcb *inp, struct sockaddr *nam, in_addr_t *laddrp,
u_short *lportp, struct ucred *cred)
{
...
struct sockaddr_in *sin;
...
if (nam) {
sin = (struct sockaddr_in *)nam;
...
if (sin->sin_addr.s_addr != INADDR_ANY)
if (prison_ip(cred, 0, &sin->sin_addr.s_addr))
return(EINVAL);
...
if (lport) {
...
if (prison && prison_ip(cred, 0, &sin->sin_addr.s_addr))
return (EADDRNOTAVAIL);
...
}
}
if (lport == 0) {
...
if (laddr.s_addr != INADDR_ANY)
if (prison_ip(cred, 0, &laddr.s_addr))
return (EINVAL);
...
}
...
if (prison_ip(cred, 0, &laddr.s_addr))
return (EINVAL);
...
}
/usr/src/sys/netinet/in_pcb.c:
int
in_pcbbind_setup(struct inpcb *inp, struct sockaddr *nam, in_addr_t *laddrp,
u_short *lportp, struct ucred *cred)
{
...
struct sockaddr_in *sin;
...
if (nam) {
sin = (struct sockaddr_in *)nam;
...
if (sin->sin_addr.s_addr != INADDR_ANY)
if (prison_ip(cred, 0, &sin->sin_addr.s_addr))
return(EINVAL);
...
if (lport) {
...
if (prison && prison_ip(cred, 0, &sin->sin_addr.s_addr))
return (EADDRNOTAVAIL);
...
}
}
if (lport == 0) {
...
if (laddr.s_addr != INADDR_ANY)
if (prison_ip(cred, 0, &laddr.s_addr))
return (EINVAL);
...
}
...
if (prison_ip(cred, 0, &laddr.s_addr))
return (EINVAL);
...
}
a year ago
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