crtxcr/exile.h
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Introduce exile_create_policy(): Creates an clean/empty policy.

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exile_create_policy() Creates an empty policy that can be
used by the exile.h API.

exile_init_policy() sets opinionated default values.
This commit is contained in:
Albert S. 2021-12-27 10:41:51 +01:00
rodzic 029762e894
commit 9abbc7510c
1 zmienionych plików z 28 dodań i 22 usunięć
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exile.h
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@ -848,31 +848,40 @@ int exile_append_pledge_promises(struct exile_policy *policy, uint64_t pledge_pr
return exile_append_syscall_default_policy(policy, pledge_policy);
}
/* Creates the default policy
* Must be freed using exile_free_policy
* @returns: default policy */
struct exile_policy *exile_init_policy()
/* Creates an empty policy struct without opinionated defaults.
*
* Must be freed using exile_free_policy()
* @returns: empty policy
*/
struct exile_policy *exile_create_policy()
{
struct exile_policy *result = (struct exile_policy *) calloc(1, sizeof(struct exile_policy));
if(result == NULL)
{
EXILE_LOG_ERROR("Failed to allocate memory for policy\n");
return NULL;
}
result->path_policies_tail = &(result->path_policies);
result->syscall_policies_tail = &(result->syscall_policies);
return result;
}
/* Creates the default policy
* Must be freed using exile_free_policy()
*
* @returns: default policy
*/
struct exile_policy *exile_init_policy()
{
struct exile_policy *result = exile_create_policy();
if(result == NULL)
{
return NULL;
}
result->drop_caps = 1;
result->not_dumpable = 1;
result->no_new_privs = 1;
result->no_fs = 0;
result->no_new_fds = 0;
result->namespace_options = EXILE_UNSHARE_MOUNT | EXILE_UNSHARE_USER;
result->disable_syscall_filter = 0;
result->chdir_path = NULL;
result->mount_path_policies_to_chroot = 0;
result->chroot_target_path[0] = '\0';
result->path_policies = NULL;
result->path_policies_tail = &(result->path_policies);
result->pledge_promises = 0;
result->syscall_policies = NULL;
result->syscall_policies_tail = &(result->syscall_policies);
return result;
}
@ -1757,6 +1766,3 @@ int exile_enable_policy(struct exile_policy *policy)
return 0;
}
#endif