xref: /aosp_15_r20/external/e2fsprogs/contrib/android/perms.h (revision 6a54128f25917bfc36a8a6e9d722c04a0b4641b6)
1 #ifndef ANDROID_PERMS_H
2 # define ANDROID_PERMS_H
3 
4 # include <ext2fs/ext2fs.h>
5 
6 typedef void (*fs_config_f)(const char *path, int dir,
7 			    const char *target_out_path,
8 			    unsigned *uid, unsigned *gid,
9 			    unsigned *mode, uint64_t *capabilities);
10 
11 /*
12  * Represents a range of UID/GID mapping.
13  * This maps the id in [|parent_id|, |parent_id| + |length|) into
14  * [|child_id|, |child_id| + |length|)
15  */
16 struct ugid_map_entry {
17 	unsigned int child_id;
18 	unsigned int parent_id;
19 	unsigned int length;
20 };
21 
22 struct ugid_map {
23 	/* The number of elements in |entries|. */
24 	size_t size;
25 
26 	/* An array of entries. If |size| is 0, this is a null pointer. */
27 	struct ugid_map_entry* entries;
28 };
29 
30 # ifdef _WIN32
31 struct selabel_handle;
android_configure_fs(ext2_filsys fs,char * src_dir,char * target_out,char * mountpoint,void * seopts,unsigned int nopt,char * fs_config_file,time_t fixed_time,const struct ugid_map * uid_map,const struct ugdi_map * gid_map)32 static inline errcode_t android_configure_fs(ext2_filsys fs,
33 					     char *src_dir,
34 					     char *target_out,
35 					     char *mountpoint,
36 					     void *seopts,
37 					     unsigned int nopt,
38 					     char *fs_config_file,
39 					     time_t fixed_time,
40 					     const struct ugid_map* uid_map,
41 					     const struct ugdi_map* gid_map)
42 {
43 	return 0;
44 }
45 # else
46 #  include <selinux/selinux.h>
47 #  include <selinux/label.h>
48 #  if defined(__ANDROID__)
49 #   include <selinux/android.h>
50 #  endif
51 #  include <private/android_filesystem_config.h>
52 #  include <private/canned_fs_config.h>
53 #  include <private/fs_config.h>
54 
55 errcode_t android_configure_fs(ext2_filsys fs, char *src_dir,
56 			       char *target_out,
57 			       char *mountpoint,
58 			       struct selinux_opt *seopts,
59 			       unsigned int nopt,
60 			       char *fs_config_file, time_t fixed_time,
61 			       const struct ugid_map* uid_map,
62 			       const struct ugid_map* gid_map);
63 
64 # endif
65 #endif /* !ANDROID_PERMS_H */
66