Magisk/jni/include/utils.h

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/* util.h - Header for all utility functions
*/
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#ifndef _UTILS_H_
#define _UTILS_H_
#include <stdio.h>
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#include <dirent.h>
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#include <pthread.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include "vector.h"
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#define UID_SHELL (get_shell_uid())
#define UID_ROOT 0
#define UID_SYSTEM (get_system_uid())
#define UID_RADIO (get_radio_uid())
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// xwrap.c
FILE *xfopen(const char *pathname, const char *mode);
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FILE *xfdopen(int fd, const char *mode);
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#define GET_MACRO(_1, _2, _3, NAME, ...) NAME
#define xopen(...) GET_MACRO(__VA_ARGS__, xopen3, xopen2)(__VA_ARGS__)
int xopen2(const char *pathname, int flags);
int xopen3(const char *pathname, int flags, mode_t mode);
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int xopenat(int dirfd, const char *pathname, int flags);
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ssize_t xwrite(int fd, const void *buf, size_t count);
ssize_t xread(int fd, void *buf, size_t count);
ssize_t xxread(int fd, void *buf, size_t count);
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int xpipe2(int pipefd[2], int flags);
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int xsetns(int fd, int nstype);
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DIR *xopendir(const char *name);
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DIR *xfdopendir(int fd);
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struct dirent *xreaddir(DIR *dirp);
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pid_t xsetsid();
int xsocket(int domain, int type, int protocol);
int xbind(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
int xconnect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
int xlisten(int sockfd, int backlog);
int xaccept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags);
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void *xmalloc(size_t size);
void *xcalloc(size_t nmemb, size_t size);
void *xrealloc(void *ptr, size_t size);
ssize_t xsendmsg(int sockfd, const struct msghdr *msg, int flags);
ssize_t xrecvmsg(int sockfd, struct msghdr *msg, int flags);
int xpthread_create(pthread_t *thread, const pthread_attr_t *attr,
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void *(*start_routine) (void *), void *arg);
int xsocketpair(int domain, int type, int protocol, int sv[2]);
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int xstat(const char *pathname, struct stat *buf);
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int xlstat(const char *pathname, struct stat *buf);
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int xdup2(int oldfd, int newfd);
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ssize_t xreadlink(const char *pathname, char *buf, size_t bufsiz);
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ssize_t xreadlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz);
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int xsymlink(const char *target, const char *linkpath);
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int xmount(const char *source, const char *target,
const char *filesystemtype, unsigned long mountflags,
const void *data);
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int xumount(const char *target);
int xumount2(const char *target, int flags);
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int xrename(const char *oldpath, const char *newpath);
int xmkdir(const char *pathname, mode_t mode);
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int xmkdir_p(const char *pathname, mode_t mode);
int xmkdirat(int dirfd, const char *pathname, mode_t mode);
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void *xmmap(void *addr, size_t length, int prot, int flags,
int fd, off_t offset);
ssize_t xsendfile(int out_fd, int in_fd, off_t *offset, size_t count);
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pid_t xfork();
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// misc.c
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extern int quit_signals[];
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unsigned get_shell_uid();
unsigned get_system_uid();
unsigned get_radio_uid();
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int check_data();
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int file_to_vector(const char* filename, struct vector *v);
int vector_to_file(const char* filename, struct vector *v);
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ssize_t fdgets(char *buf, size_t size, int fd);
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void ps(void (*func)(int));
void ps_filter_proc_name(const char *filter, void (*func)(int));
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void unlock_blocks();
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void setup_sighandlers(void (*handler)(int));
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int exec_command(int err, int *fd, void (*setupenv)(struct vector*), const char *argv0, ...);
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int exec_command_sync(char *const argv0, ...);
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int bind_mount(const char *from, const char *to);
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void get_client_cred(int fd, struct ucred *cred);
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int switch_mnt_ns(int pid);
int fork_dont_care();
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// file.c
extern char **excl_list;
struct file_attr {
struct stat st;
char con[128];
};
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int fd_getpath(int fd, char *path, size_t size);
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int mkdir_p(const char *pathname, mode_t mode);
void rm_rf(const char *path);
void frm_rf(int dirfd);
void mv_f(const char *source, const char *destination);
void mv_dir(int src, int dest);
void cp_afc(const char *source, const char *destination);
void clone_dir(int src, int dest);
int getattr(const char *path, struct file_attr *a);
int getattrat(int dirfd, const char *pathname, struct file_attr *a);
int fgetattr(int fd, struct file_attr *a);
int setattr(const char *path, struct file_attr *a);
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);
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void restorecon(int dirfd, int force);
void mmap_ro(const char *filename, void **buf, size_t *size);
void mmap_rw(const char *filename, void **buf, size_t *size);
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void full_read(int fd, void **buf, size_t *size);
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void write_zero(int fd, size_t size);
void mem_align(size_t *pos, size_t align);
void file_align(int fd, size_t align, int out);
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// img.c
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#define round_size(a) ((((a) / 32) + 2) * 32)
#define SOURCE_TMP "/dev/source"
#define TARGET_TMP "/dev/target"
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int create_img(const char *img, int size);
int get_img_size(const char *img, int *used, int *total);
int resize_img(const char *img, int size);
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char *mount_image(const char *img, const char *target);
void umount_image(const char *target, const char *device);
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int merge_img(const char *source, const char *target);
void trim_img(const char *img);
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#endif