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Dynamic load libselinux

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This commit is contained in:
topjohnwu
2018-09-27 00:09:59 -04:00
parent 971a50d290
commit 1d53335ae5
17 changed files with 169 additions and 147 deletions
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11
native/jni/include/magisk.h
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@@ -10,14 +10,8 @@
#define MAIN_SOCKET "d30138f2310a9fb9c54a3e0c21f58591"
#define LOG_SOCKET "5864cd77f2f8c59b3882e2d35dbf51e4"
#define JAVA_PACKAGE_NAME "com.topjohnwu.magisk"
#ifndef ARG_MAX
#define ARG_MAX 4096
#endif
#define LOGFILE "/cache/magisk.log"
#define UNBLOCKFILE "/dev/.magisk.unblock"
#define TMPSEPOLICY "/dev/.tmp_sepolicy"
#define DISABLEFILE "/cache/.disable_magisk"
#define MAGISKTMP "/sbin/.core"
#define BLOCKDIR MAGISKTMP "/block"
@@ -36,13 +30,14 @@
#define MANAGERAPK DATABIN "/magisk.apk"
#define MAGISKRC "/init.magisk.rc"
// selinuxfs paths
// selinux consts
#define SELINUX_PATH "/sys/fs/selinux"
#define SELINUX_ENFORCE SELINUX_PATH "/enforce"
#define SELINUX_POLICY SELINUX_PATH "/policy"
#define SELINUX_LOAD SELINUX_PATH "/load"
#define SELINUX_CONTEXT SELINUX_PATH "/context"
#define SEPOL_PROC_DOMAIN "magisk"
#define SEPOL_FILE_DOMAIN "magisk_file"
#define MAGISKHIDE_PROP "persist.magisk.hide"

12
native/jni/include/selinux.h Normal file
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@@ -0,0 +1,12 @@
#pragma once
extern void (*freecon)(char * con);
extern int (*setcon)(const char * con);
extern int (*getfilecon)(const char *path, char ** con);
extern int (*lgetfilecon)(const char *path, char ** con);
extern int (*setfilecon)(const char *path, const char * con);
extern int (*lsetfilecon)(const char *path, const char * con);
void setup_selinux();
void restorecon();

4
native/jni/include/utils.h
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@@ -125,6 +125,8 @@ struct file_attr {
char con[128];
};
int fd_getpath(int fd, char *path, size_t size);
int fd_getpathat(int dirfd, const char *name, char *path, size_t size);
int mkdirs(const char *pathname, mode_t mode);
void in_order_walk(int dirfd, void (*callback)(int, struct dirent*));
void rm_rf(const char *path);
@@ -142,7 +144,7 @@ int setattrat(int dirfd, const char *pathname, struct file_attr *a);
int fsetattr(int fd, struct file_attr *a);
void fclone_attr(const int sourcefd, const int targetfd);
void clone_attr(const char *source, const char *target);
void restorecon();
void mmap_ro(const char *filename, void **buf, size_t *size);
void mmap_rw(const char *filename, void **buf, size_t *size);
void fd_full_read(int fd, void **buf, size_t *size);