void remount_service(int fd, void* cookie) {
if (getuid() != 0) {
WriteFdExactly(fd, "Not running as root. Try \"adb root\" first.\n");
adb_close(fd);
return;
}
char prop_buf[PROPERTY_VALUE_MAX];
property_get("partition.system.verified", prop_buf, "");
bool system_verified = (strlen(prop_buf) > 0);
property_get("partition.vendor.verified", prop_buf, "");
bool vendor_verified = (strlen(prop_buf) > 0);
if (system_verified || vendor_verified) {
// Allow remount but warn of likely bad effects
bool both = system_verified && vendor_verified;
WriteFdFmt(fd,
"dm_verity is enabled on the %s%s%s partition%s.\n",
system_verified ? "system" : "",
both ? " and " : "",
vendor_verified ? "vendor" : "",
both ? "s" : "");
WriteFdExactly(fd,
"Use \"adb disable-verity\" to disable verity.\n"
"If you do not, remount may succeed, however, you will still "
"not be able to write to these volumes.\n");
}
bool success = true;
property_get("ro.build.system_root_image", prop_buf, "");
bool system_root = !strcmp(prop_buf, "true");
if (system_root) {
success &= remount_partition(fd, "/");
} else {
success &= remount_partition(fd, "/system");
}
success &= remount_partition(fd, "/vendor");
success &= remount_partition(fd, "/oem");
WriteFdExactly(fd, success ? "remount succeeded\n" : "remount failed\n");
adb_close(fd);
}
void remount_service(int fd, void* cookie) {
if (getuid() != 0) {
WriteFdExactly(fd, "Not running as root. Try \"adb root\" first.\n");
adb_close(fd);
return;
}
bool system_verified = !(android::base::GetProperty("partition.system.verified", "").empty());
bool vendor_verified = !(android::base::GetProperty("partition.vendor.verified", "").empty());
if (system_verified || vendor_verified) {
// Allow remount but warn of likely bad effects
bool both = system_verified && vendor_verified;
WriteFdFmt(fd,
"dm_verity is enabled on the %s%s%s partition%s.\n",
system_verified ? "system" : "",
both ? " and " : "",
vendor_verified ? "vendor" : "",
both ? "s" : "");
WriteFdExactly(fd,
"Use \"adb disable-verity\" to disable verity.\n"
"If you do not, remount may succeed, however, you will still "
"not be able to write to these volumes.\n");
}
bool success = true;
if (android::base::GetBoolProperty("ro.build.system_root_image", false)) {
success &= remount_partition(fd, "/");
} else {
success &= remount_partition(fd, "/system");
}
success &= remount_partition(fd, "/vendor");
success &= remount_partition(fd, "/oem");
WriteFdExactly(fd, success ? "remount succeeded\n" : "remount failed\n");
adb_close(fd);
}
