MarcoBuster/Magisk
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Fix mount rules dir

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close #4006
This commit is contained in:
vvb2060 2021-03-13 22:13:39 +08:00 committed by John Wu
parent afe3c2bc1b
commit 0783f3d5b6
4 changed files with 19 additions and 6 deletions
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12
native/jni/init/mount.cpp
View File

@ -234,16 +234,20 @@ void MagiskInit::mount_rules_dir(const char *dev_base, const char *mnt_base) {
goto cache;
strcpy(p, "/data/unencrypted");
if (access(path, F_OK) == 0) {
if (xaccess(path, F_OK) == 0) {
// FBE, need to use an unencrypted path
custom_rules_dir = path + "/magisk"s;
} else {
// Skip if /data/adb does not exist
strcpy(p, "/data/adb");
if (access(path, F_OK) != 0)
strcpy(p, SECURE_DIR);
if (xaccess(path, F_OK) != 0)
return;
strcpy(p, MODULEROOT);
if (xaccess(path, F_OK) != 0) {
goto cache;
}
// Unencrypted, directly use module paths
custom_rules_dir = string(mnt_base) + MODULEROOT;
custom_rules_dir = string(path);
}
goto success;

4
native/jni/init/rootdir.cpp
View File

@ -100,10 +100,10 @@ bool MagiskInit::patch_sepolicy(const char *file) {
// Custom rules
if (!custom_rules_dir.empty()) {
if (auto dir = open_dir(custom_rules_dir.data())) {
if (auto dir = xopen_dir(custom_rules_dir.data())) {
for (dirent *entry; (entry = xreaddir(dir.get()));) {
auto rule = custom_rules_dir + "/" + entry->d_name + "/sepolicy.rule";
if (access(rule.data(), R_OK) == 0) {
if (xaccess(rule.data(), R_OK) == 0) {
LOGD("Loading custom sepolicy patch: [%s]\n", rule.data());
sepol->load_rule_file(rule.data());
}

8
native/jni/utils/xwrap.cpp
View File

@ -272,6 +272,14 @@ int xpthread_create(pthread_t *thread, const pthread_attr_t *attr,
return errno;
}
int xaccess(const char *path, int mode) {
int ret = access(path, mode);
if (ret < 0) {
PLOGE("access %s", path);
}
return ret;
}
int xstat(const char *pathname, struct stat *buf) {
int ret = stat(pathname, buf);
if (ret < 0) {

1
native/jni/utils/xwrap.hpp
View File

@ -33,6 +33,7 @@ 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,
void *(*start_routine) (void *), void *arg);
int xaccess(const char *path, int mode);
int xstat(const char *pathname, struct stat *buf);
int xlstat(const char *pathname, struct stat *buf);
int xfstat(int fd, struct stat *buf);