ff6a68221f
1. Wrapper for creds:
* Some older kernel does not have {.val}, so, for nicer compatibility support and clean code,
make some wrapper for credential use.
* After this change, do not use current_uid().val, instead, use ksu_current_uid(). For more
info, check kernel/include/ksu_creds.h.
2. Refine disable_seccomp (need to add k6.11+ support)
https://github.com/tiann/KernelSU/pull/2708
https://github.com/tiann/KernelSU/issues/2706
3. Revert "Handle unmount for isolated process correctly"
Reason: https://github.com/tiann/KernelSU/pull/2696#issuecomment-3181866301
4. consolidate most of the gaps
Co-authored-by: Wang Han <416810799@qq.com>
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
#ifndef __KSU_H_KERNEL_COMPAT
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#define __KSU_H_KERNEL_COMPAT
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#include <linux/fs.h>
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#include <linux/version.h>
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#include <linux/cred.h>
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#include "ss/policydb.h"
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#include "linux/key.h"
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/*
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* Adapt to Huawei HISI kernel without affecting other kernels ,
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* Huawei Hisi Kernel EBITMAP Enable or Disable Flag ,
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* From ss/ebitmap.h
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*/
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0)) && \
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(LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)) || \
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(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)) && \
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(LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0))
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#ifdef HISI_SELINUX_EBITMAP_RO
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#define CONFIG_IS_HW_HISI
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#endif
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#endif
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// Checks for UH, KDP and RKP
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#ifdef SAMSUNG_UH_DRIVER_EXIST
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#if defined(CONFIG_UH) || defined(CONFIG_KDP) || defined(CONFIG_RKP)
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#error "CONFIG_UH, CONFIG_KDP and CONFIG_RKP is enabled! Please disable or remove it before compile a kernel with KernelSU!"
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#endif
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#endif
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extern long ksu_strncpy_from_user_nofault(char *dst,
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const void __user *unsafe_addr,
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long count);
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extern long ksu_strncpy_from_user_retry(char *dst,
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const void __user *unsafe_addr,
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long count);
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#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) || \
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defined(CONFIG_IS_HW_HISI) || \
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defined(CONFIG_KSU_ALLOWLIST_WORKAROUND)
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extern struct key *init_session_keyring;
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#endif
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extern void ksu_android_ns_fs_check();
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extern struct file *ksu_filp_open_compat(const char *filename, int flags,
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umode_t mode);
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extern ssize_t ksu_kernel_read_compat(struct file *p, void *buf, size_t count,
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loff_t *pos);
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extern ssize_t ksu_kernel_write_compat(struct file *p, const void *buf,
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size_t count, loff_t *pos);
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0)
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#define ksu_access_ok(addr, size) access_ok(addr, size)
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#else
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#define ksu_access_ok(addr, size) access_ok(VERIFY_READ, addr, size)
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#endif
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#endif
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