diff options
Diffstat (limited to '')
| -rw-r--r-- | data.cpp | 139 |
1 files changed, 130 insertions, 9 deletions
@@ -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))); |