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Matheus
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
#ifndef _AUTH_H
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#define _AUTH_H
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#include <kernel/cred.h>
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#include <kernel/vfs.h>
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#define AUTH_SCOPE_COUNT 2
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#define AUTH_SCOPE_SYSTEM 0
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#define AUTH_SCOPE_FILESYSTEM 1
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#define AUTH_LISTENER_LIMIT 8
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#define AUTH_DECISION_ALLOW 1
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#define AUTH_DECISION_DEFER 0
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#define AUTH_DECISION_DENY -1000
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#define AUTH_ACTIONS_SYSTEM_CHROOT 1
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#define AUTH_ACTIONS_FILESYSTEM_EXECUTE 1
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#define AUTH_ACTIONS_FILESYSTEM_WRITE 2
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#define AUTH_ACTIONS_FILESYSTEM_READ 4
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#define AUTH_ACTIONS_FILESYSTEM_SETATTR 8
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typedef int (*authlistener_t)(cred_t *cred, int actions, void *arg0, void *arg1, void *arg2);
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typedef struct {
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authlistener_t listeners[AUTH_LISTENER_LIMIT];
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} authscope_t;
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void auth_registerlistener(int scope, authlistener_t listener);
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int auth_check(int scope, cred_t *cred, int actions, void *arg0, void *arg1, void *arg2);
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static inline int auth_filesystem_check(cred_t *cred, int actions, vnode_t *vnode) {
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return auth_check(AUTH_SCOPE_FILESYSTEM, cred, actions, vnode, NULL, NULL);
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}
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static inline int auth_system_check(cred_t *cred, int actions) {
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return auth_check(AUTH_SCOPE_SYSTEM, cred, actions, NULL, NULL, NULL);
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}
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static inline int auth_filesystem_convertaccess(int access) {
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int r = 0;
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if (access & V_ACCESS_EXECUTE)
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r |= AUTH_ACTIONS_FILESYSTEM_EXECUTE;
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if (access & V_ACCESS_WRITE)
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r |= AUTH_ACTIONS_FILESYSTEM_WRITE;
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if (access & V_ACCESS_READ)
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r |= AUTH_ACTIONS_FILESYSTEM_READ;
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return r;
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}
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#endif
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