186 lines
5.8 KiB
C
186 lines
5.8 KiB
C
#ifndef KSU_SUSFS_H
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#define KSU_SUSFS_H
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#include <linux/version.h>
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#include <linux/types.h>
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#include <linux/utsname.h>
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#include <linux/hashtable.h>
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#include <linux/path.h>
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#include <linux/susfs_def.h>
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#define SUSFS_VERSION "v1.5.3"
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#if LINUX_VERSION_CODE < KERNEL_VERSION(5,0,0)
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#define SUSFS_VARIANT "NON-GKI"
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#else
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#define SUSFS_VARIANT "GKI"
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#endif
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/*********/
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/* MACRO */
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/*********/
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#define getname_safe(name) (name == NULL ? ERR_PTR(-EINVAL) : getname(name))
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#define putname_safe(name) (IS_ERR(name) ? NULL : putname(name))
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/**********/
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/* STRUCT */
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/**********/
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/* sus_path */
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#ifdef CONFIG_KSU_SUSFS_SUS_PATH
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struct st_susfs_sus_path {
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unsigned long target_ino;
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char target_pathname[SUSFS_MAX_LEN_PATHNAME];
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};
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struct st_susfs_sus_path_hlist {
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unsigned long target_ino;
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char target_pathname[SUSFS_MAX_LEN_PATHNAME];
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struct hlist_node node;
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};
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#endif
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/* sus_mount */
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#ifdef CONFIG_KSU_SUSFS_SUS_MOUNT
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struct st_susfs_sus_mount {
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char target_pathname[SUSFS_MAX_LEN_PATHNAME];
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unsigned long target_dev;
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};
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struct st_susfs_sus_mount_list {
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struct list_head list;
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struct st_susfs_sus_mount info;
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};
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#endif
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/* sus_kstat */
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#ifdef CONFIG_KSU_SUSFS_SUS_KSTAT
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struct st_susfs_sus_kstat {
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int is_statically;
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unsigned long target_ino; // the ino after bind mounted or overlayed
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char target_pathname[SUSFS_MAX_LEN_PATHNAME];
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unsigned long spoofed_ino;
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unsigned long spoofed_dev;
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unsigned int spoofed_nlink;
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long long spoofed_size;
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long spoofed_atime_tv_sec;
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long spoofed_mtime_tv_sec;
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long spoofed_ctime_tv_sec;
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long spoofed_atime_tv_nsec;
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long spoofed_mtime_tv_nsec;
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long spoofed_ctime_tv_nsec;
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unsigned long spoofed_blksize;
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unsigned long long spoofed_blocks;
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};
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struct st_susfs_sus_kstat_hlist {
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unsigned long target_ino;
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struct st_susfs_sus_kstat info;
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struct hlist_node node;
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};
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#endif
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/* try_umount */
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#ifdef CONFIG_KSU_SUSFS_TRY_UMOUNT
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struct st_susfs_try_umount {
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char target_pathname[SUSFS_MAX_LEN_PATHNAME];
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int mnt_mode;
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};
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struct st_susfs_try_umount_list {
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struct list_head list;
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struct st_susfs_try_umount info;
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};
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#endif
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/* spoof_uname */
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#ifdef CONFIG_KSU_SUSFS_SPOOF_UNAME
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struct st_susfs_uname {
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char release[__NEW_UTS_LEN+1];
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char version[__NEW_UTS_LEN+1];
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};
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#endif
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/* open_redirect */
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#ifdef CONFIG_KSU_SUSFS_OPEN_REDIRECT
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struct st_susfs_open_redirect {
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unsigned long target_ino;
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char target_pathname[SUSFS_MAX_LEN_PATHNAME];
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char redirected_pathname[SUSFS_MAX_LEN_PATHNAME];
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};
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struct st_susfs_open_redirect_hlist {
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unsigned long target_ino;
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char target_pathname[SUSFS_MAX_LEN_PATHNAME];
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char redirected_pathname[SUSFS_MAX_LEN_PATHNAME];
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struct hlist_node node;
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};
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#endif
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/* sus_su */
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#ifdef CONFIG_KSU_SUSFS_SUS_SU
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struct st_sus_su {
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int mode;
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};
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#endif
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/***********************/
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/* FORWARD DECLARATION */
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/***********************/
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/* sus_path */
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#ifdef CONFIG_KSU_SUSFS_SUS_PATH
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int susfs_add_sus_path(struct st_susfs_sus_path* __user user_info);
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int susfs_sus_ino_for_filldir64(unsigned long ino);
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#endif
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/* sus_mount */
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#ifdef CONFIG_KSU_SUSFS_SUS_MOUNT
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int susfs_add_sus_mount(struct st_susfs_sus_mount* __user user_info);
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#ifdef CONFIG_KSU_SUSFS_AUTO_ADD_SUS_BIND_MOUNT
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int susfs_auto_add_sus_bind_mount(const char *pathname, struct path *path_target);
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#endif // #ifdef CONFIG_KSU_SUSFS_AUTO_ADD_SUS_BIND_MOUNT
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#ifdef CONFIG_KSU_SUSFS_AUTO_ADD_SUS_KSU_DEFAULT_MOUNT
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void susfs_auto_add_sus_ksu_default_mount(const char __user *to_pathname);
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#endif // #ifdef CONFIG_KSU_SUSFS_AUTO_ADD_SUS_KSU_DEFAULT_MOUNT
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#endif // #ifdef CONFIG_KSU_SUSFS_SUS_MOUNT
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/* sus_kstat */
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#ifdef CONFIG_KSU_SUSFS_SUS_KSTAT
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int susfs_add_sus_kstat(struct st_susfs_sus_kstat* __user user_info);
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int susfs_update_sus_kstat(struct st_susfs_sus_kstat* __user user_info);
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void susfs_sus_ino_for_generic_fillattr(unsigned long ino, struct kstat *stat);
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void susfs_sus_ino_for_show_map_vma(unsigned long ino, dev_t *out_dev, unsigned long *out_ino);
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#endif
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/* try_umount */
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#ifdef CONFIG_KSU_SUSFS_TRY_UMOUNT
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int susfs_add_try_umount(struct st_susfs_try_umount* __user user_info);
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void susfs_try_umount(uid_t target_uid);
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#ifdef CONFIG_KSU_SUSFS_AUTO_ADD_TRY_UMOUNT_FOR_BIND_MOUNT
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void susfs_auto_add_try_umount_for_bind_mount(struct path *path);
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#endif // #ifdef CONFIG_KSU_SUSFS_AUTO_ADD_TRY_UMOUNT_FOR_BIND_MOUNT
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#endif // #ifdef CONFIG_KSU_SUSFS_TRY_UMOUNT
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/* spoof_uname */
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#ifdef CONFIG_KSU_SUSFS_SPOOF_UNAME
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int susfs_set_uname(struct st_susfs_uname* __user user_info);
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void susfs_spoof_uname(struct new_utsname* tmp);
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#endif
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/* set_log */
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#ifdef CONFIG_KSU_SUSFS_ENABLE_LOG
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void susfs_set_log(bool enabled);
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#endif
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/* spoof_cmdline_or_bootconfig */
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#ifdef CONFIG_KSU_SUSFS_SPOOF_CMDLINE_OR_BOOTCONFIG
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int susfs_set_cmdline_or_bootconfig(char* __user user_fake_boot_config);
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int susfs_spoof_cmdline_or_bootconfig(struct seq_file *m);
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#endif
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/* open_redirect */
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#ifdef CONFIG_KSU_SUSFS_OPEN_REDIRECT
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int susfs_add_open_redirect(struct st_susfs_open_redirect* __user user_info);
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struct filename* susfs_get_redirected_path(unsigned long ino);
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#endif
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/* sus_su */
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#ifdef CONFIG_KSU_SUSFS_SUS_SU
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int susfs_get_sus_su_working_mode(void);
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int susfs_sus_su(struct st_sus_su* __user user_info);
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#endif
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/* susfs_init */
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void susfs_init(void);
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#endif
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