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-rw-r--r--data.cpp139
1 files changed, 130 insertions, 9 deletions
diff --git a/data.cpp b/data.cpp
index 296843546..8b717f517 100644
--- a/data.cpp
+++ b/data.cpp
@@ -51,9 +51,6 @@ extern "C"
void gui_notifyVarChange(const char *name, const char* value);
int get_battery_level(void);
- void get_device_id(void);
-
- extern char device_id[15];
int __system(const char *command);
}
@@ -67,6 +64,122 @@ map<string, string> DataManager::mConstValues;
string DataManager::mBackingFile;
int DataManager::mInitialized = 0;
+// Device ID functions
+void DataManager::sanitize_device_id(char* device_id) {
+ const char* whitelist ="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890-._";
+ char str[50];
+ char* c = str;
+
+ strcpy(str, device_id);
+ memset(device_id, 0, sizeof(device_id));
+ while (*c) {
+ if (strchr(whitelist, *c))
+ strncat(device_id, c, 1);
+ c++;
+ }
+ return;
+}
+
+#define CMDLINE_SERIALNO "androidboot.serialno="
+#define CMDLINE_SERIALNO_LEN (strlen(CMDLINE_SERIALNO))
+#define CPUINFO_SERIALNO "Serial"
+#define CPUINFO_SERIALNO_LEN (strlen(CPUINFO_SERIALNO))
+#define CPUINFO_HARDWARE "Hardware"
+#define CPUINFO_HARDWARE_LEN (strlen(CPUINFO_HARDWARE))
+
+void DataManager::get_device_id(void) {
+ FILE *fp;
+ char line[2048];
+ char hardware_id[32], device_id[64];
+ char* token;
+
+ // Assign a blank device_id to start with
+ device_id[0] = 0;
+#ifndef TW_FORCE_CPUINFO_FOR_DEVICE_ID
+ // First, try the cmdline to see if the serial number was supplied
+ fp = fopen("/proc/cmdline", "rt");
+ if (fp != NULL)
+ {
+ // First step, read the line. For cmdline, it's one long line
+ fgets(line, sizeof(line), fp);
+ fclose(fp);
+
+ // Now, let's tokenize the string
+ token = strtok(line, " ");
+
+ // Let's walk through the line, looking for the CMDLINE_SERIALNO token
+ while (token)
+ {
+ // We don't need to verify the length of token, because if it's too short, it will mismatch CMDLINE_SERIALNO at the NULL
+ if (memcmp(token, CMDLINE_SERIALNO, CMDLINE_SERIALNO_LEN) == 0)
+ {
+ // We found the serial number!
+ strcpy(device_id, token + CMDLINE_SERIALNO_LEN);
+ sanitize_device_id((char *)device_id);
+ mConstValues.insert(make_pair("device_id", device_id));
+ return;
+ }
+ token = strtok(NULL, " ");
+ }
+ }
+#endif
+ // Now we'll try cpuinfo for a serial number
+ fp = fopen("/proc/cpuinfo", "rt");
+ if (fp != NULL)
+ {
+ while (fgets(line, sizeof(line), fp) != NULL) { // First step, read the line.
+ if (memcmp(line, CPUINFO_SERIALNO, CPUINFO_SERIALNO_LEN) == 0) // check the beginning of the line for "Serial"
+ {
+ // We found the serial number!
+ token = line + CPUINFO_SERIALNO_LEN; // skip past "Serial"
+ while ((*token > 0 && *token <= 32 ) || *token == ':') token++; // skip over all spaces and the colon
+ if (*token != 0) {
+ token[30] = 0;
+ if (token[strlen(token)-1] == 10) { // checking for endline chars and dropping them from the end of the string if needed
+ memset(device_id, 0, sizeof(device_id));
+ strncpy(device_id, token, strlen(token) - 1);
+ } else {
+ strcpy(device_id, token);
+ }
+ LOGI("=> serial from cpuinfo: '%s'\n", device_id);
+ fclose(fp);
+ sanitize_device_id((char *)device_id);
+ mConstValues.insert(make_pair("device_id", device_id));
+ return;
+ }
+ } else if (memcmp(line, CPUINFO_HARDWARE, CPUINFO_HARDWARE_LEN) == 0) {// We're also going to look for the hardware line in cpuinfo and save it for later in case we don't find the device ID
+ // We found the hardware ID
+ token = line + CPUINFO_HARDWARE_LEN; // skip past "Hardware"
+ while ((*token > 0 && *token <= 32 ) || *token == ':') token++; // skip over all spaces and the colon
+ if (*token != 0) {
+ token[30] = 0;
+ if (token[strlen(token)-1] == 10) { // checking for endline chars and dropping them from the end of the string if needed
+ memset(hardware_id, 0, sizeof(hardware_id));
+ strncpy(hardware_id, token, strlen(token) - 1);
+ } else {
+ strcpy(hardware_id, token);
+ }
+ LOGI("=> hardware id from cpuinfo: '%s'\n", hardware_id);
+ }
+ }
+ }
+ fclose(fp);
+ }
+
+ if (hardware_id[0] != 0) {
+ LOGW("\nusing hardware id for device id: '%s'\n", hardware_id);
+ strcpy(device_id, hardware_id);
+ sanitize_device_id((char *)device_id);
+ mConstValues.insert(make_pair("device_id", device_id));
+ return;
+ }
+
+ strcpy(device_id, "serialno");
+ LOGE("=> device id not found, using '%s'.", device_id);
+ mConstValues.insert(make_pair("device_id", device_id));
+ return;
+}
+
int DataManager::ResetDefaults()
{
mValues.clear();
@@ -77,12 +190,13 @@ int DataManager::ResetDefaults()
int DataManager::LoadValues(const string filename)
{
- string str;
+ string str, dev_id;
if (!mInitialized)
SetDefaultValues();
- // Save off the backing file for set operations
+ GetValue("device_id", dev_id);
+ // Save off the backing file for set operations
mBackingFile = filename;
// Read in the file, if possible
@@ -125,7 +239,7 @@ int DataManager::LoadValues(const string filename)
str = GetCurrentStoragePath();
str += "/TWRP/BACKUPS/";
- str += device_id;
+ str += dev_id;
SetValue(TW_BACKUPS_FOLDER_VAR, str, 0);
return 0;
@@ -135,7 +249,7 @@ error:
fclose(in);
str = GetCurrentStoragePath();
str += "/TWRP/BACKUPS/";
- str += device_id;
+ str += dev_id;
SetValue(TW_BACKUPS_FOLDER_VAR, str, 0);
return -1;
}
@@ -304,8 +418,11 @@ int DataManager::SetValue(const string varName, int value, int persist /* = 0 */
else
str = GetStrValue(TW_EXTERNAL_PATH);
+ string dev_id;
+
+ GetValue("device_id", dev_id);
str += "/TWRP/BACKUPS/";
- str += device_id;
+ str += dev_id;
SetValue(TW_BACKUPS_FOLDER_VAR, str);
}
@@ -478,7 +595,11 @@ void DataManager::SetDefaultValues()
SetValue(TW_ZIP_LOCATION_VAR, str.c_str(), 1);
#endif
str += "/TWRP/BACKUPS/";
- str += device_id;
+
+ string dev_id;
+ GetValue("device_id", dev_id);
+
+ str += dev_id;
SetValue(TW_BACKUPS_FOLDER_VAR, str, 0);
if (strlen(EXPAND(SP1_DISPLAY_NAME))) mConstValues.insert(make_pair(TW_SP1_PARTITION_NAME_VAR, EXPAND(SP1_DISPLAY_NAME)));