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Add MS_SILENT to xmount and cleanup function wraps

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This commit is contained in:
topjohnwu 2018-01-11 03:06:20 +08:00
parent bcae9dec41
commit 1c743839ea
8 changed files with 26 additions and 44 deletions
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10
core/jni/core/daemon.c
View File

@ -186,7 +186,7 @@ void daemon_init() {
// Check whether skip_initramfs device
vec_for_each(&mounts, line) {
if (strstr(line, " /system_root ")) {
xmkdir_p(MIRRDIR "/system", 0755);
xmkdirs(MIRRDIR "/system", 0755);
bind_mount("/system_root/system", MIRRDIR "/system");
skip_initramfs = 1;
break;
@ -195,7 +195,7 @@ void daemon_init() {
vec_for_each(&mounts, line) {
if (!skip_initramfs && strstr(line, " /system ")) {
sscanf(line, "%s", buf);
xmkdir_p(MIRRDIR "/system", 0755);
xmkdirs(MIRRDIR "/system", 0755);
xmount(buf, MIRRDIR "/system", "ext4", MS_RDONLY, NULL);
#ifdef MAGISK_DEBUG
LOGI("mount: %s -> %s\n", buf, MIRRDIR "/system");
@ -205,7 +205,7 @@ void daemon_init() {
} else if (strstr(line, " /vendor ")) {
seperate_vendor = 1;
sscanf(line, "%s", buf);
xmkdir_p(MIRRDIR "/vendor", 0755);
xmkdirs(MIRRDIR "/vendor", 0755);
xmount(buf, MIRRDIR "/vendor", "ext4", MS_RDONLY, NULL);
#ifdef MAGISK_DEBUG
LOGI("mount: %s -> %s\n", buf, MIRRDIR "/vendor");
@ -224,11 +224,11 @@ void daemon_init() {
LOGI("link: %s\n", MIRRDIR "/vendor");
#endif
}
xmkdir_p(MIRRDIR "/bin", 0755);
xmkdirs(MIRRDIR "/bin", 0755);
bind_mount(DATABIN, MIRRDIR "/bin");
LOGI("* Setting up internal busybox");
xmkdir_p(BBPATH, 0755);
xmkdirs(BBPATH, 0755);
exec_command_sync(MIRRDIR "/bin/busybox", "--install", "-s", BBPATH, NULL);
xsymlink(MIRRDIR "/bin/busybox", BBPATH "/busybox");
}

16
core/jni/core/magiskinit.c
View File

@ -77,7 +77,7 @@ static void parse_cmdline(struct cmdline *cmd) {
char cmdline[4096];
mkdir("/proc", 0555);
mount("proc", "/proc", "proc", 0, NULL);
xmount("proc", "/proc", "proc", 0, NULL);
int fd = open("/proc/cmdline", O_RDONLY | O_CLOEXEC);
cmdline[read(fd, cmdline, sizeof(cmdline))] = '\0';
close(fd);
@ -455,7 +455,7 @@ int main(int argc, char *argv[]) {
frm_rf(root);
mkdir("/sys", 0755);
mount("sysfs", "/sys", "sysfs", 0, NULL);
xmount("sysfs", "/sys", "sysfs", 0, NULL);
char partname[32];
snprintf(partname, sizeof(partname), "system%s", cmd.slot);
@ -464,20 +464,20 @@ int main(int argc, char *argv[]) {
setup_block(&dev, partname);
mkdir("/system_root", 0755);
mount(dev.path, "/system_root", "ext4", MS_RDONLY, NULL);
xmount(dev.path, "/system_root", "ext4", MS_RDONLY, NULL);
int system_root = open("/system_root", O_RDONLY | O_CLOEXEC);
// Exclude system folder
excl_list = (char *[]) { "system", NULL };
clone_dir(system_root, root);
mkdir("/system", 0755);
mount("/system_root/system", "/system", NULL, MS_BIND, NULL);
xmount("/system_root/system", "/system", NULL, MS_BIND, NULL);
snprintf(partname, sizeof(partname), "vendor%s", cmd.slot);
// We need to mount independent vendor partition
if (setup_block(&dev, partname) == 0)
mount(dev.path, "/vendor", "ext4", MS_RDONLY, NULL);
xmount(dev.path, "/vendor", "ext4", MS_RDONLY, NULL);
close(system_root);
} else {
@ -515,13 +515,13 @@ int main(int argc, char *argv[]) {
if (patch_sepolicy()) {
/* Non skip_initramfs devices using separate sepolicy
* Mount /system and try to load again */
mount("sysfs", "/sys", "sysfs", 0, NULL);
xmount("sysfs", "/sys", "sysfs", 0, NULL);
struct device dev;
setup_block(&dev, "system");
mount(dev.path, "/system", "ext4", MS_RDONLY, NULL);
xmount(dev.path, "/system", "ext4", MS_RDONLY, NULL);
// We need to mount independent vendor partition
if (setup_block(&dev, "vendor") == 0)
mount(dev.path, "/vendor", "ext4", MS_RDONLY, NULL);
xmount(dev.path, "/vendor", "ext4", MS_RDONLY, NULL);
patch_sepolicy();

4
core/jni/include/utils.h
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@ -61,7 +61,7 @@ int xumount(const char *target);
int xumount2(const char *target, int flags);
int xrename(const char *oldpath, const char *newpath);
int xmkdir(const char *pathname, mode_t mode);
int xmkdir_p(const char *pathname, mode_t mode);
int xmkdirs(const char *pathname, mode_t mode);
int xmkdirat(int dirfd, const char *pathname, mode_t mode);
void *xmmap(void *addr, size_t length, int prot, int flags,
int fd, off_t offset);
@ -101,7 +101,7 @@ struct file_attr {
};
int fd_getpath(int fd, char *path, size_t size);
int mkdir_p(const char *pathname, mode_t mode);
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);
void frm_rf(int dirfd);

4
core/jni/magiskhide/proc_monitor.c
View File

@ -68,10 +68,8 @@ static void store_zygote_ns(int pid) {
}
static void lazy_unmount(const char* mountpoint) {
if (umount2(mountpoint, MNT_DETACH) != -1)
if (xumount2(mountpoint, MNT_DETACH) != -1)
LOGD("hide_daemon: Unmounted (%s)\n", mountpoint);
else
LOGD("hide_daemon: Unmount Failed (%s)\n", mountpoint);
}
static void hide_daemon(int pid, int ppid) {

6
core/jni/utils/file.c
View File

@ -34,7 +34,7 @@ int fd_getpath(int fd, char *path, size_t size) {
return 0;
}
int mkdir_p(const char *pathname, mode_t mode) {
int mkdirs(const char *pathname, mode_t mode) {
char *path = strdup(pathname), *p;
errno = 0;
for (p = path + 1; *p; ++p) {
@ -107,7 +107,7 @@ void mv_f(const char *source, const char *destination) {
struct file_attr a;
if (S_ISDIR(st.st_mode)) {
xmkdir_p(destination, st.st_mode & 0777);
xmkdirs(destination, st.st_mode & 0777);
src = xopen(source, O_RDONLY | O_CLOEXEC);
dest = xopen(destination, O_RDONLY | O_CLOEXEC);
fclone_attr(src, dest);
@ -162,7 +162,7 @@ void cp_afc(const char *source, const char *destination) {
getattr(source, &a);
if (S_ISDIR(a.st.st_mode)) {
xmkdir_p(destination, a.st.st_mode & 0777);
xmkdirs(destination, a.st.st_mode & 0777);
src = xopen(source, O_RDONLY | O_CLOEXEC);
dest = xopen(destination, O_RDONLY | O_CLOEXEC);
fsetattr(dest, &a);

4
core/jni/utils/img.c
View File

@ -139,9 +139,9 @@ char *mount_image(const char *img, const char *target) {
if (access(img, F_OK) == -1)
return NULL;
if (access(target, F_OK) == -1) {
if (xmkdir_p(target, 0755) == -1) {
if (xmkdirs(target, 0755) == -1) {
xmount(NULL, "/", NULL, MS_REMOUNT, NULL);
xmkdir_p(target, 0755);
xmkdirs(target, 0755);
xmount(NULL, "/", NULL, MS_REMOUNT | MS_RDONLY, NULL);
}
}

2
core/jni/utils/misc.c
View File

@ -304,7 +304,7 @@ int switch_mnt_ns(int pid) {
fd = xopen(mnt, O_RDONLY);
if (fd < 0) return 1;
// Switch to its namespace
ret = setns(fd, 0);
ret = xsetns(fd, 0);
close(fd);
return ret;
}

24
core/jni/utils/xwrap.c
View File

@ -156,14 +156,6 @@ int xbind(int sockfd, const struct sockaddr *addr, socklen_t addrlen) {
return ret;
}
int xconnect(int sockfd, const struct sockaddr *addr, socklen_t addrlen) {
int ret = connect(sockfd, addr, addrlen);
if (ret == -1) {
PLOGE("connect");
}
return ret;
}
int xlisten(int sockfd, int backlog) {
int ret = listen(sockfd, backlog);
if (ret == -1) {
@ -229,14 +221,6 @@ int xpthread_create(pthread_t *thread, const pthread_attr_t *attr,
return errno;
}
int xsocketpair(int domain, int type, int protocol, int sv[2]) {
int ret = socketpair(domain, type, protocol, sv);
if (ret == -1) {
PLOGE("socketpair");
}
return ret;
}
int xstat(const char *pathname, struct stat *buf) {
int ret = stat(pathname, buf);
if (ret == -1) {
@ -292,7 +276,7 @@ int xsymlink(const char *target, const char *linkpath) {
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);
int ret = mount(source, target, filesystemtype, MS_SILENT | mountflags, data);
if (ret == -1) {
PLOGE("mount %s->%s", source, target);
}
@ -331,10 +315,10 @@ int xmkdir(const char *pathname, mode_t mode) {
return ret;
}
int xmkdir_p(const char *pathname, mode_t mode) {
int ret = mkdir_p(pathname, mode);
int xmkdirs(const char *pathname, mode_t mode) {
int ret = mkdirs(pathname, mode);
if (ret == -1) {
PLOGE("mkdir_p %s", pathname);
PLOGE("mkdirs %s", pathname);
}
return ret;
}