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auth: initial implementation + some filesystem checks

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Matheus
2024-08-24 20:00:46 -03:00
parent dd70116695
commit 4d51507953
19 changed files with 251 additions and 34 deletions
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kernel-src/sys/syscalls/chmod.c
+8 -2
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@@ -3,15 +3,21 @@
#include <kernel/file.h>
#include <kernel/vfs.h>
#include <arch/cpu.h>
#include <kernel/auth.h>
static int dochmod(vnode_t *node, mode_t mode) {
vattr_t attr;
cred_t *cred = &_cpu()->thread->proc->cred;
int e = VOP_GETATTR(node, &attr, cred);
int e = auth_filesystem_check(cred, AUTH_ACTIONS_FILESYSTEM_SETATTR, node);
if (e)
return e;
attr.mode = UMASK(mode);
e = VOP_GETATTR(node, &attr, cred);
if (e)
return e;
attr.mode = mode;
return VOP_SETATTR(node, &attr, V_ATTR_MODE, cred);
}