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Move device ID code to data manager

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This commit is contained in:
Dees_Troy
2012-09-11 10:27:01 -04:00
parent 657c309486
commit fdf5fcc344
5 changed files with 137 additions and 131 deletions
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139
data.cpp
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@@ -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)));