forked from MarcoBuster/Magisk
430 lines
8.3 KiB
C++
430 lines
8.3 KiB
C++
#include <sched.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <pthread.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/sendfile.h>
|
|
|
|
#include <logging.hpp>
|
|
#include <utils.hpp>
|
|
|
|
FILE *xfopen(const char *pathname, const char *mode) {
|
|
FILE *fp = fopen(pathname, mode);
|
|
if (fp == nullptr) {
|
|
PLOGE("fopen: %s", pathname);
|
|
}
|
|
return fp;
|
|
}
|
|
|
|
FILE *xfdopen(int fd, const char *mode) {
|
|
FILE *fp = fdopen(fd, mode);
|
|
if (fp == nullptr) {
|
|
PLOGE("fopen");
|
|
}
|
|
return fp;
|
|
}
|
|
|
|
int xopen(const char *pathname, int flags) {
|
|
int fd = open(pathname, flags);
|
|
if (fd < 0) {
|
|
PLOGE("open: %s", pathname);
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
int xopen(const char *pathname, int flags, mode_t mode) {
|
|
int fd = open(pathname, flags, mode);
|
|
if (fd < 0) {
|
|
PLOGE("open: %s", pathname);
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
int xopenat(int dirfd, const char *pathname, int flags) {
|
|
int fd = openat(dirfd, pathname, flags);
|
|
if (fd < 0) {
|
|
PLOGE("openat: %s", pathname);
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
ssize_t xwrite(int fd, const void *buf, size_t count) {
|
|
int ret = write(fd, buf, count);
|
|
if (count != ret) {
|
|
PLOGE("write");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
// Read error other than EOF
|
|
ssize_t xread(int fd, void *buf, size_t count) {
|
|
int ret = read(fd, buf, count);
|
|
if (ret < 0) {
|
|
PLOGE("read");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
// Read exact same size as count
|
|
ssize_t xxread(int fd, void *buf, size_t count) {
|
|
int ret = read(fd, buf, count);
|
|
if (count != ret) {
|
|
PLOGE("read (%d != %d)", count, ret);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xpipe2(int pipefd[2], int flags) {
|
|
int ret = pipe2(pipefd, flags);
|
|
if (ret == -1) {
|
|
PLOGE("pipe2");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xsetns(int fd, int nstype) {
|
|
int ret = setns(fd, nstype);
|
|
if (ret == -1) {
|
|
PLOGE("setns");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xunshare(int flags) {
|
|
int ret = unshare(flags);
|
|
if (ret == -1) {
|
|
PLOGE("unshare");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
DIR *xopendir(const char *name) {
|
|
DIR *d = opendir(name);
|
|
if (d == nullptr) {
|
|
PLOGE("opendir: %s", name);
|
|
}
|
|
return d;
|
|
}
|
|
|
|
DIR *xfdopendir(int fd) {
|
|
DIR *d = fdopendir(fd);
|
|
if (d == nullptr) {
|
|
PLOGE("fdopendir");
|
|
}
|
|
return d;
|
|
}
|
|
|
|
struct dirent *xreaddir(DIR *dirp) {
|
|
errno = 0;
|
|
struct dirent *e = readdir(dirp);
|
|
if (errno && e == nullptr) {
|
|
PLOGE("readdir");
|
|
}
|
|
return e;
|
|
}
|
|
|
|
pid_t xsetsid() {
|
|
pid_t pid = setsid();
|
|
if (pid == -1) {
|
|
PLOGE("setsid");
|
|
}
|
|
return pid;
|
|
}
|
|
|
|
int xsocket(int domain, int type, int protocol) {
|
|
int fd = socket(domain, type, protocol);
|
|
if (fd == -1) {
|
|
PLOGE("socket");
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
int xbind(int sockfd, const struct sockaddr *addr, socklen_t addrlen) {
|
|
int ret = bind(sockfd, addr, addrlen);
|
|
if (ret == -1) {
|
|
PLOGE("bind");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xlisten(int sockfd, int backlog) {
|
|
int ret = listen(sockfd, backlog);
|
|
if (ret == -1) {
|
|
PLOGE("listen");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int accept4_compat(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags) {
|
|
int fd = accept(sockfd, addr, addrlen);
|
|
if (fd == -1) {
|
|
PLOGE("accept");
|
|
} else {
|
|
if (flags & SOCK_CLOEXEC)
|
|
fcntl(fd, F_SETFD, FD_CLOEXEC);
|
|
if (flags & SOCK_NONBLOCK) {
|
|
int i = fcntl(fd, F_GETFL);
|
|
fcntl(fd, F_SETFL, i | O_NONBLOCK);
|
|
}
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
int xaccept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags) {
|
|
int fd = accept4(sockfd, addr, addrlen, flags);
|
|
if (fd == -1) {
|
|
if (errno == ENOSYS)
|
|
return accept4_compat(sockfd, addr, addrlen, flags);
|
|
PLOGE("accept4");
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
void *xmalloc(size_t size) {
|
|
void *p = malloc(size);
|
|
if (p == nullptr) {
|
|
PLOGE("malloc");
|
|
}
|
|
return p;
|
|
}
|
|
|
|
void *xcalloc(size_t nmemb, size_t size) {
|
|
void *p = calloc(nmemb, size);
|
|
if (p == nullptr) {
|
|
PLOGE("calloc");
|
|
}
|
|
return p;
|
|
}
|
|
|
|
void *xrealloc(void *ptr, size_t size) {
|
|
void *p = realloc(ptr, size);
|
|
if (p == nullptr) {
|
|
PLOGE("realloc");
|
|
}
|
|
return p;
|
|
}
|
|
|
|
ssize_t xsendmsg(int sockfd, const struct msghdr *msg, int flags) {
|
|
int sent = sendmsg(sockfd, msg, flags);
|
|
if (sent == -1) {
|
|
PLOGE("sendmsg");
|
|
}
|
|
return sent;
|
|
}
|
|
|
|
ssize_t xrecvmsg(int sockfd, struct msghdr *msg, int flags) {
|
|
int rec = recvmsg(sockfd, msg, flags);
|
|
if (rec == -1) {
|
|
PLOGE("recvmsg");
|
|
}
|
|
return rec;
|
|
}
|
|
|
|
int xpthread_create(pthread_t *thread, const pthread_attr_t *attr,
|
|
void *(*start_routine) (void *), void *arg) {
|
|
errno = pthread_create(thread, attr, start_routine, arg);
|
|
if (errno) {
|
|
PLOGE("pthread_create");
|
|
}
|
|
return errno;
|
|
}
|
|
|
|
int xstat(const char *pathname, struct stat *buf) {
|
|
int ret = stat(pathname, buf);
|
|
if (ret == -1) {
|
|
PLOGE("stat %s", pathname);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xlstat(const char *pathname, struct stat *buf) {
|
|
int ret = lstat(pathname, buf);
|
|
if (ret == -1) {
|
|
PLOGE("lstat %s", pathname);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xfstat(int fd, struct stat *buf) {
|
|
int ret = fstat(fd, buf);
|
|
if (ret == -1) {
|
|
PLOGE("fstat %d", fd);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xdup2(int oldfd, int newfd) {
|
|
int ret = dup2(oldfd, newfd);
|
|
if (ret == -1) {
|
|
PLOGE("dup2");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xdup3(int oldfd, int newfd, int flags) {
|
|
int ret = dup3(oldfd, newfd, flags);
|
|
if (ret == -1) {
|
|
PLOGE("dup3");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
ssize_t xreadlink(const char *pathname, char *buf, size_t bufsiz) {
|
|
ssize_t ret = readlink(pathname, buf, bufsiz);
|
|
if (ret == -1) {
|
|
PLOGE("readlink %s", pathname);
|
|
} else {
|
|
buf[ret] = '\0';
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
ssize_t xreadlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz) {
|
|
// readlinkat() may fail on x86 platform, returning random value
|
|
// instead of number of bytes placed in buf (length of link)
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
memset(buf, 0, bufsiz);
|
|
ssize_t ret = readlinkat(dirfd, pathname, buf, bufsiz);
|
|
if (ret == -1) {
|
|
PLOGE("readlinkat %s", pathname);
|
|
}
|
|
return ret;
|
|
#else
|
|
ssize_t ret = readlinkat(dirfd, pathname, buf, bufsiz);
|
|
if (ret < 0) {
|
|
PLOGE("readlinkat %s", pathname);
|
|
} else {
|
|
buf[ret] = '\0';
|
|
}
|
|
return ret;
|
|
#endif
|
|
}
|
|
|
|
int xsymlink(const char *target, const char *linkpath) {
|
|
int ret = symlink(target, linkpath);
|
|
if (ret == -1) {
|
|
PLOGE("symlink %s->%s", target, linkpath);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xsymlinkat(const char *target, int newdirfd, const char *linkpath) {
|
|
int ret = symlinkat(target, newdirfd, linkpath);
|
|
if (ret == -1) {
|
|
PLOGE("symlinkat %s->%s", target, linkpath);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xlinkat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath, int flags) {
|
|
int ret = linkat(olddirfd, oldpath, newdirfd, newpath, flags);
|
|
if (ret == -1) {
|
|
PLOGE("linkat %s->%s", oldpath, newpath);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xmount(const char *source, const char *target,
|
|
const char *filesystemtype, unsigned long mountflags,
|
|
const void *data) {
|
|
int ret = mount(source, target, filesystemtype, mountflags, data);
|
|
if (ret == -1) {
|
|
PLOGE("mount %s->%s", source, target);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xumount(const char *target) {
|
|
int ret = umount(target);
|
|
if (ret == -1) {
|
|
PLOGE("umount %s", target);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xumount2(const char *target, int flags) {
|
|
int ret = umount2(target, flags);
|
|
if (ret == -1) {
|
|
PLOGE("umount2 %s", target);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xrename(const char *oldpath, const char *newpath) {
|
|
int ret = rename(oldpath, newpath);
|
|
if (ret == -1) {
|
|
PLOGE("rename %s->%s", oldpath, newpath);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xmkdir(const char *pathname, mode_t mode) {
|
|
int ret = mkdir(pathname, mode);
|
|
if (ret == -1 && errno != EEXIST) {
|
|
PLOGE("mkdir %s %u", pathname, mode);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xmkdirs(const char *pathname, mode_t mode) {
|
|
int ret = mkdirs(pathname, mode);
|
|
if (ret == -1) {
|
|
PLOGE("mkdirs %s", pathname);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xmkdirat(int dirfd, const char *pathname, mode_t mode) {
|
|
int ret = mkdirat(dirfd, pathname, mode);
|
|
if (ret == -1 && errno != EEXIST) {
|
|
PLOGE("mkdirat %s %u", pathname, mode);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void *xmmap(void *addr, size_t length, int prot, int flags,
|
|
int fd, off_t offset) {
|
|
void *ret = mmap(addr, length, prot, flags, fd, offset);
|
|
if (ret == MAP_FAILED) {
|
|
PLOGE("mmap");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
ssize_t xsendfile(int out_fd, int in_fd, off_t *offset, size_t count) {
|
|
ssize_t ret = sendfile(out_fd, in_fd, offset, count);
|
|
if (count != ret) {
|
|
PLOGE("sendfile");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
pid_t xfork() {
|
|
int ret = fork();
|
|
if (ret == -1) {
|
|
PLOGE("fork");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xpoll(struct pollfd *fds, nfds_t nfds, int timeout) {
|
|
int ret = poll(fds, nfds, timeout);
|
|
if (ret == -1) {
|
|
PLOGE("poll");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int xinotify_init1(int flags) {
|
|
int ret = inotify_init1(flags);
|
|
if (ret == -1) {
|
|
PLOGE("inotify_init1");
|
|
}
|
|
return ret;
|
|
}
|