1 files changed, 956 insertions, 0 deletions

diff --git a/extra-functions.c b/extra-functions.c
new file mode 100644
index 000000000..cf93052f1
--- /dev/null
+++ b/extra-functions.c
@@ -0,0 +1,956 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <paths.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include <ctype.h>
+#include "cutils/misc.h"
+#include "cutils/properties.h"
+#include <dirent.h>
+#include <getopt.h>
+#include <linux/input.h>
+#include <signal.h>
+#include <sys/limits.h>
+#include <termios.h>
+#include <time.h>
+#include <sys/vfs.h>
+
+#include "tw_reboot.h"
+#include "bootloader.h"
+#include "common.h"
+#include "extra-functions.h"
+#include "cutils/properties.h"
+#include "install.h"
+#include "minuitwrp/minui.h"
+#include "minzip/DirUtil.h"
+#include "minzip/Zip.h"
+#include "recovery_ui.h"
+#include "roots.h"
+#include "data.h"
+#include "variables.h"
+
+//kang system() from bionic/libc/unistd and rename it __system() so we can be even more hackish :)
+#undef _PATH_BSHELL
+#define _PATH_BSHELL "/sbin/sh"
+
+static const char *SIDELOAD_TEMP_DIR = "/tmp/sideload";
+extern char **environ;
+
+int __system(const char *command) {
+  pid_t pid;
+	sig_t intsave, quitsave;
+	sigset_t mask, omask;
+	int pstat;
+	char *argp[] = {"sh", "-c", NULL, NULL};
+
+	if (!command)		/* just checking... */
+		return(1);
+
+	argp[2] = (char *)command;
+
+	sigemptyset(&mask);
+	sigaddset(&mask, SIGCHLD);
+	sigprocmask(SIG_BLOCK, &mask, &omask);
+	switch (pid = vfork()) {
+	case -1:			/* error */
+		sigprocmask(SIG_SETMASK, &omask, NULL);
+		return(-1);
+	case 0:				/* child */
+		sigprocmask(SIG_SETMASK, &omask, NULL);
+		execve(_PATH_BSHELL, argp, environ);
+    _exit(127);
+  }
+
+	intsave = (sig_t)  bsd_signal(SIGINT, SIG_IGN);
+	quitsave = (sig_t) bsd_signal(SIGQUIT, SIG_IGN);
+	pid = waitpid(pid, (int *)&pstat, 0);
+	sigprocmask(SIG_SETMASK, &omask, NULL);
+	(void)bsd_signal(SIGINT, intsave);
+	(void)bsd_signal(SIGQUIT, quitsave);
+	return (pid == -1 ? -1 : pstat);
+}
+
+static struct pid {
+	struct pid *next;
+	FILE *fp;
+	pid_t pid;
+} *pidlist;
+
+FILE *__popen(const char *program, const char *type) {
+	struct pid * volatile cur;
+	FILE *iop;
+	int pdes[2];
+	pid_t pid;
+
+	if ((*type != 'r' && *type != 'w') || type[1] != '\0') {
+		errno = EINVAL;
+		return (NULL);
+	}
+
+	if ((cur = malloc(sizeof(struct pid))) == NULL)
+		return (NULL);
+
+	if (pipe(pdes) < 0) {
+		free(cur);
+		return (NULL);
+	}
+
+	switch (pid = vfork()) {
+	case -1:			/* Error. */
+		(void)close(pdes[0]);
+		(void)close(pdes[1]);
+		free(cur);
+		return (NULL);
+		/* NOTREACHED */
+	case 0:				/* Child. */
+	    {
+		struct pid *pcur;
+		/*
+		 * because vfork() instead of fork(), must leak FILE *,
+		 * but luckily we are terminally headed for an execl()
+		 */
+		for (pcur = pidlist; pcur; pcur = pcur->next)
+			close(fileno(pcur->fp));
+
+		if (*type == 'r') {
+			int tpdes1 = pdes[1];
+
+			(void) close(pdes[0]);
+			/*
+			 * We must NOT modify pdes, due to the
+			 * semantics of vfork.
+			 */
+			if (tpdes1 != STDOUT_FILENO) {
+				(void)dup2(tpdes1, STDOUT_FILENO);
+				(void)close(tpdes1);
+				tpdes1 = STDOUT_FILENO;
+			}
+		} else {
+			(void)close(pdes[1]);
+			if (pdes[0] != STDIN_FILENO) {
+				(void)dup2(pdes[0], STDIN_FILENO);
+				(void)close(pdes[0]);
+			}
+		}
+		execl(_PATH_BSHELL, "sh", "-c", program, (char *)NULL);
+		_exit(127);
+		/* NOTREACHED */
+	    }
+	}
+
+	/* Parent; assume fdopen can't fail. */
+	if (*type == 'r') {
+		iop = fdopen(pdes[0], type);
+		(void)close(pdes[1]);
+	} else {
+		iop = fdopen(pdes[1], type);
+		(void)close(pdes[0]);
+	}
+
+	/* Link into list of file descriptors. */
+	cur->fp = iop;
+	cur->pid =  pid;
+	cur->next = pidlist;
+	pidlist = cur;
+
+	return (iop);
+}
+
+/*
+ * pclose --
+ *	Pclose returns -1 if stream is not associated with a `popened' command,
+ *	if already `pclosed', or waitpid returns an error.
+ */
+int __pclose(FILE *iop) {
+	struct pid *cur, *last;
+	int pstat;
+	pid_t pid;
+
+	/* Find the appropriate file pointer. */
+	for (last = NULL, cur = pidlist; cur; last = cur, cur = cur->next)
+		if (cur->fp == iop)
+			break;
+
+	if (cur == NULL)
+		return (-1);
+
+	(void)fclose(iop);
+
+	do {
+		pid = waitpid(cur->pid, &pstat, 0);
+	} while (pid == -1 && errno == EINTR);
+
+	/* Remove the entry from the linked list. */
+	if (last == NULL)
+		pidlist = cur->next;
+	else
+		last->next = cur->next;
+	free(cur);
+
+	return (pid == -1 ? -1 : pstat);
+}
+
+char* sanitize_device_id(char* id) {
+        const char* whitelist ="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890-._";
+        char* c = id;
+        char* str = (int*) calloc(50, sizeof *id);
+        while (*c)
+        {
+                if (strchr(whitelist, *c))
+                {
+                        strncat(str, c, 1);
+                }
+                c++;
+        }
+        return str;
+}
+
+#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 get_device_id() {
+	FILE *fp;
+	char line[2048];
+	char hardware_id[32];
+	char* token;
+	char* new_device_id;
+
+    // Assign a blank device_id to start with
+    device_id[0] = 0;
+
+    // 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);
+		new_device_id = sanitize_device_id(device_id);
+		strcpy(device_id, new_device_id);
+		free(new_device_id);
+                return;
+            }
+            token = strtok(NULL, " ");
+        }
+    }
+
+	// 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);
+					new_device_id = sanitize_device_id(device_id);
+					strcpy(device_id, new_device_id);
+					free(new_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);
+		new_device_id = sanitize_device_id(device_id);
+		strcpy(device_id, new_device_id);
+		free(new_device_id);
+		return;
+	}
+
+    strcpy(device_id, "serialno");
+	LOGE("=> device id not found, using '%s'.", device_id);
+    return;
+}
+
+char* get_path (char* path) {
+        char *s;
+
+        /* Go to the end of the string.  */
+        s = path + strlen(path) - 1;
+
+        /* Strip off trailing /s (unless it is also the leading /).  */
+        while (path < s && s[0] == '/')
+                s--;
+
+        /* Strip the last component.  */
+        while (path <= s && s[0] != '/')
+                s--;
+
+        while (path < s && s[0] == '/')
+                s--;
+
+        if (s < path)
+                return ".";
+
+        s[1] = '\0';
+	return path;
+}
+
+char* basename(char* name) {
+	const char* base;	
+	for (base = name; *name; name++)
+	{
+		if(*name == '/')
+		{
+			base = name + 1;
+		}		
+	}
+	return (char *) base;
+}
+
+/*
+    Checks md5 for a path
+    Return values:
+        -1 : MD5 does not exist
+        0 : Failed
+        1 : Success
+*/
+int check_md5(char* path) {
+    int o; 
+    char cmd[PATH_MAX + 30];
+    char md5file[PATH_MAX + 40];
+    strcpy(md5file, path);
+    strcat(md5file, ".md5");
+    char dirpath[PATH_MAX];
+    char* file;
+    if (access(md5file, F_OK ) != -1) {
+	strcpy(dirpath, md5file);
+	get_path(dirpath);
+	chdir(dirpath);
+	file = basename(md5file);
+	sprintf(cmd, "/sbin/busybox md5sum -c '%s'", file);
+	FILE * cs = __popen(cmd, "r");
+	char cs_s[PATH_MAX + 50];
+	fgets(cs_s, PATH_MAX + 50, cs);
+	char* OK = strstr(cs_s, "OK");
+	if (OK != NULL) {
+		printf("MD5 is good. returning 1\n");
+		o = 1;
+	}
+	else {
+		printf("MD5 is bad. return -2\n");
+		o = -2;
+	}
+
+	__pclose(cs);
+    } 
+    else {
+	//No md5 file
+	printf("setting o to -1\n");
+	o = -1;
+    }
+
+    return o;
+}
+
+static void set_sdcard_update_bootloader_message() {
+    struct bootloader_message boot;
+    memset(&boot, 0, sizeof(boot));
+    strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
+    strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
+    set_bootloader_message(&boot);
+}
+
+static char* copy_sideloaded_package(const char* original_path) {
+  if (ensure_path_mounted(original_path) != 0) {
+    LOGE("Can't mount %s\n", original_path);
+    return NULL;
+  }
+
+  if (ensure_path_mounted(SIDELOAD_TEMP_DIR) != 0) {
+    LOGE("Can't mount %s\n", SIDELOAD_TEMP_DIR);
+    return NULL;
+  }
+
+  if (mkdir(SIDELOAD_TEMP_DIR, 0700) != 0) {
+    if (errno != EEXIST) {
+      LOGE("Can't mkdir %s (%s)\n", SIDELOAD_TEMP_DIR, strerror(errno));
+      return NULL;
+    }
+  }
+
+  // verify that SIDELOAD_TEMP_DIR is exactly what we expect: a
+  // directory, owned by root, readable and writable only by root.
+  struct stat st;
+  if (stat(SIDELOAD_TEMP_DIR, &st) != 0) {
+    LOGE("failed to stat %s (%s)\n", SIDELOAD_TEMP_DIR, strerror(errno));
+    return NULL;
+  }
+  if (!S_ISDIR(st.st_mode)) {
+    LOGE("%s isn't a directory\n", SIDELOAD_TEMP_DIR);
+    return NULL;
+  }
+  if ((st.st_mode & 0777) != 0700) {
+    LOGE("%s has perms %o\n", SIDELOAD_TEMP_DIR, st.st_mode);
+    return NULL;
+  }
+  if (st.st_uid != 0) {
+    LOGE("%s owned by %lu; not root\n", SIDELOAD_TEMP_DIR, st.st_uid);
+    return NULL;
+  }
+
+  char copy_path[PATH_MAX];
+  strcpy(copy_path, SIDELOAD_TEMP_DIR);
+  strcat(copy_path, "/package.zip");
+
+  char* buffer = malloc(BUFSIZ);
+  if (buffer == NULL) {
+    LOGE("Failed to allocate buffer\n");
+    return NULL;
+  }
+
+  size_t read;
+  FILE* fin = fopen(original_path, "rb");
+  if (fin == NULL) {
+    LOGE("Failed to open %s (%s)\n", original_path, strerror(errno));
+    return NULL;
+  }
+  FILE* fout = fopen(copy_path, "wb");
+  if (fout == NULL) {
+    LOGE("Failed to open %s (%s)\n", copy_path, strerror(errno));
+    return NULL;
+  }
+
+  while ((read = fread(buffer, 1, BUFSIZ, fin)) > 0) {
+    if (fwrite(buffer, 1, read, fout) != read) {
+      LOGE("Short write of %s (%s)\n", copy_path, strerror(errno));
+      return NULL;
+    }
+  }
+
+  free(buffer);
+
+  if (fclose(fout) != 0) {
+    LOGE("Failed to close %s (%s)\n", copy_path, strerror(errno));
+    return NULL;
+  }
+
+  if (fclose(fin) != 0) {
+    LOGE("Failed to close %s (%s)\n", original_path, strerror(errno));
+    return NULL;
+  }
+
+  // "adb push" is happy to overwrite read-only files when it's
+  // running as root, but we'll try anyway.
+  if (chmod(copy_path, 0400) != 0) {
+    LOGE("Failed to chmod %s (%s)\n", copy_path, strerror(errno));
+    return NULL;
+  }
+
+  return strdup(copy_path);
+}
+
+int install_zip_package(const char* zip_path_filename) {
+	int result = 0;
+
+    //mount_current_storage();
+	int md5_req = DataManager_GetIntValue(TW_FORCE_MD5_CHECK_VAR);
+	if (md5_req == 1) {
+		ui_print("\n-- Verify md5 for %s", zip_path_filename);
+		int md5chk = check_md5((char*) zip_path_filename);
+		if (md5chk == 1) {
+			ui_print("\n-- Md5 verified, continue");
+			result = 0;
+		}
+		else if (md5chk == -1) {
+			if (md5_req == 1) {
+				ui_print("\n-- No md5 file found!");
+				ui_print("\n-- Aborting install");
+				result = INSTALL_ERROR;
+			}
+			else {
+				ui_print("\n-- No md5 file found, ignoring");
+			}
+		}
+		else if (md5chk == -2) {
+			ui_print("\n-- md5 file doesn't match!");
+			ui_print("\n-- Aborting install");
+			result = INSTALL_ERROR;
+		}
+		printf("%d\n", result);
+	}
+	if (result != INSTALL_ERROR) {
+		ui_print("\n-- Install %s ...\n", zip_path_filename);
+		set_sdcard_update_bootloader_message();
+		char* copy;
+		if (DataManager_GetIntValue(TW_FLASH_ZIP_IN_PLACE) == 1 && strlen(zip_path_filename) > 6 && strncmp(zip_path_filename, "/cache", 6) != 0) {
+			copy = strdup(zip_path_filename);
+		} else {
+			copy = copy_sideloaded_package(zip_path_filename);
+			//unmount_current_storage();
+		}
+		if (copy) {
+			result = really_install_package(copy, 0);
+			free(copy);
+			//update_system_details();
+		} else {
+			result = INSTALL_ERROR;
+		}
+	}
+    //mount_current_storage();
+    //finish_recovery(NULL);
+	return result;
+}
+
+//partial kangbang from system/vold
+#ifndef CUSTOM_LUN_FILE
+#define CUSTOM_LUN_FILE "/sys/devices/platform/usb_mass_storage/lun%d/file"
+#endif
+
+int usb_storage_enable(void)
+{
+    int fd;
+	char lun_file[255];
+
+	if (DataManager_GetIntValue(TW_HAS_DUAL_STORAGE) == 1 && DataManager_GetIntValue(TW_HAS_DATA_MEDIA) == 0) {
+		Volume *vol = volume_for_path(DataManager_GetSettingsStoragePath());
+		if (!vol)
+		{
+			LOGE("Unable to locate volume information.");
+			return -1;
+		}
+
+		sprintf(lun_file, CUSTOM_LUN_FILE, 0);
+
+		if ((fd = open(lun_file, O_WRONLY)) < 0)
+		{
+			LOGE("Unable to open ums lunfile '%s': (%s)\n", lun_file, strerror(errno));
+			return -1;
+		}
+
+		if ((write(fd, vol->device, strlen(vol->device)) < 0) &&
+			(!vol->device2 || (write(fd, vol->device, strlen(vol->device2)) < 0))) {
+			LOGE("Unable to write to ums lunfile '%s': (%s)\n", lun_file, strerror(errno));
+			close(fd);
+			return -1;
+		}
+		close(fd);
+
+		Volume *vol2 = volume_for_path(DataManager_GetStrValue(TW_EXTERNAL_PATH));
+		if (!vol)
+		{
+			LOGE("Unable to locate volume information.\n");
+			return -1;
+		}
+
+		sprintf(lun_file, CUSTOM_LUN_FILE, 1);
+
+		if ((fd = open(lun_file, O_WRONLY)) < 0)
+		{
+			LOGE("Unable to open ums lunfile '%s': (%s)\n", lun_file, strerror(errno));
+			return -1;
+		}
+
+		if ((write(fd, vol2->device, strlen(vol2->device)) < 0) &&
+			(!vol2->device2 || (write(fd, vol2->device, strlen(vol2->device2)) < 0))) {
+			LOGE("Unable to write to ums lunfile '%s': (%s)\n", lun_file, strerror(errno));
+			close(fd);
+			return -1;
+		}
+		close(fd);
+	} else {
+		if (DataManager_GetIntValue(TW_HAS_DATA_MEDIA) == 0)
+			strcpy(lun_file, DataManager_GetCurrentStoragePath());
+		else
+			strcpy(lun_file, DataManager_GetStrValue(TW_EXTERNAL_PATH));
+
+		Volume *vol = volume_for_path(lun_file);
+		if (!vol)
+		{
+			LOGE("Unable to locate volume information.\n");
+			return -1;
+		}
+
+		sprintf(lun_file, CUSTOM_LUN_FILE, 0);
+
+		if ((fd = open(lun_file, O_WRONLY)) < 0)
+		{
+			LOGE("Unable to open ums lunfile '%s': (%s)\n", lun_file, strerror(errno));
+			return -1;
+		}
+
+		if ((write(fd, vol->device, strlen(vol->device)) < 0) &&
+			(!vol->device2 || (write(fd, vol->device, strlen(vol->device2)) < 0))) {
+			LOGE("Unable to write to ums lunfile '%s': (%s)\n", lun_file, strerror(errno));
+			close(fd);
+			return -1;
+		}
+		close(fd);
+	}
+	return 0;
+}
+
+int usb_storage_disable(void)
+{
+    int fd, index;
+	char lun_file[255];
+
+	for (index=0; index<2; index++) {
+		sprintf(lun_file, CUSTOM_LUN_FILE, index);
+
+		if ((fd = open(lun_file, O_WRONLY)) < 0)
+		{
+			if (index == 0)
+				LOGE("Unable to open ums lunfile '%s': (%s)", lun_file, strerror(errno));
+			return -1;
+		}
+
+		char ch = 0;
+		if (write(fd, &ch, 1) < 0)
+		{
+			if (index == 0)
+				LOGE("Unable to write to ums lunfile '%s': (%s)", lun_file, strerror(errno));
+			close(fd);
+			return -1;
+		}
+
+		close(fd);
+	}
+    return 0;
+}
+
+void wipe_dalvik_cache()
+{
+        //ui_set_background(BACKGROUND_ICON_WIPE);
+        ensure_path_mounted("/data");
+        ensure_path_mounted("/cache");
+        ui_print("\n-- Wiping Dalvik Cache Directories...\n");
+        __system("rm -rf /data/dalvik-cache");
+        ui_print("Cleaned: /data/dalvik-cache...\n");
+        __system("rm -rf /cache/dalvik-cache");
+        ui_print("Cleaned: /cache/dalvik-cache...\n");
+        __system("rm -rf /cache/dc");
+        ui_print("Cleaned: /cache/dc\n");
+
+        struct stat st;
+		LOGE("TODO: Re-implement wipe dalvik into Partition Manager!\n");
+        if (1) //if (0 != stat(sde.blk, &st))
+        {
+            ui_print("/sd-ext not present, skipping\n");
+        } else {
+        	__system("mount /sd-ext");
+    	    LOGI("Mounting /sd-ext\n");
+    	    if (stat("/sd-ext/dalvik-cache",&st) == 0)
+    	    {
+                __system("rm -rf /sd-ext/dalvik-cache");
+        	    ui_print("Cleaned: /sd-ext/dalvik-cache...\n");
+    	    }
+        }
+        ensure_path_unmounted("/data");
+        ui_print("-- Dalvik Cache Directories Wipe Complete!\n\n");
+        //ui_set_background(BACKGROUND_ICON_MAIN);
+        //if (!ui_text_visible()) return;
+}
+
+// BATTERY STATS
+void wipe_battery_stats()
+{
+    ensure_path_mounted("/data");
+    struct stat st;
+    if (0 != stat("/data/system/batterystats.bin", &st))
+    {
+        ui_print("No Battery Stats Found. No Need To Wipe.\n");
+    } else {
+        //ui_set_background(BACKGROUND_ICON_WIPE);
+        remove("/data/system/batterystats.bin");
+        ui_print("Cleared: Battery Stats...\n");
+        ensure_path_unmounted("/data");
+    }
+}
+
+// ROTATION SETTINGS
+void wipe_rotate_data()
+{
+    //ui_set_background(BACKGROUND_ICON_WIPE);
+    ensure_path_mounted("/data");
+    __system("rm -r /data/misc/akmd*");
+    __system("rm -r /data/misc/rild*");
+    ui_print("Cleared: Rotatation Data...\n");
+    ensure_path_unmounted("/data");
+}   
+
+void fix_perms()
+{
+	ensure_path_mounted("/data");
+	ensure_path_mounted("/system");
+	//ui_show_progress(1,30);
+    ui_print("\n-- Fixing Permissions\n");
+	ui_print("This may take a few minutes.\n");
+	__system("./sbin/fix_permissions.sh");
+	ui_print("-- Done.\n\n");
+	//ui_reset_progress();
+}
+
+int get_battery_level(void)
+{
+    static int lastVal = -1;
+    static time_t nextSecCheck = 0;
+
+    struct timeval curTime;
+    gettimeofday(&curTime, NULL);
+    if (curTime.tv_sec > nextSecCheck)
+    {
+        char cap_s[4];
+        FILE * cap = fopen("/sys/class/power_supply/battery/capacity","rt");
+        if (cap)
+        {
+            fgets(cap_s, 4, cap);
+            fclose(cap);
+            lastVal = atoi(cap_s);
+            if (lastVal > 100)  lastVal = 101;
+            if (lastVal < 0)    lastVal = 0;
+        }
+        nextSecCheck = curTime.tv_sec + 60;
+    }
+    return lastVal;
+}
+
+char* 
+print_batt_cap()  {
+	char* full_cap_s = (char*)malloc(30);
+	char full_cap_a[30];
+	
+	int cap_i = get_battery_level();
+    
+    //int len = strlen(cap_s);
+	//if (cap_s[len-1] == '\n') {
+	//	cap_s[len-1] = 0;
+	//}
+	
+	// Get a usable time
+	struct tm *current;
+	time_t now;
+	now = time(0);
+	current = localtime(&now);
+	
+	sprintf(full_cap_a, "Battery Level: %i%% @ %02D:%02D", cap_i, current->tm_hour, current->tm_min);
+	strcpy(full_cap_s, full_cap_a);
+	
+	return full_cap_s;
+}
+
+void update_tz_environment_variables() {
+    setenv("TZ", DataManager_GetStrValue(TW_TIME_ZONE_VAR), 1);
+    tzset();
+}
+
+void run_script(const char *str1, const char *str2, const char *str3, const char *str4, const char *str5, const char *str6, const char *str7, int request_confirm)
+{
+	ui_print("%s", str1);
+        //ui_clear_key_queue();
+	ui_print("\nPress Power to confirm,");
+       	ui_print("\nany other key to abort.\n");
+	int confirm;
+	/*if (request_confirm) // this option is used to skip the confirmation when the gui is in use
+		confirm = ui_wait_key();
+	else*/
+		confirm = KEY_POWER;
+	
+		if (confirm == BTN_MOUSE || confirm == KEY_POWER || confirm == SELECT_ITEM) {
+                	ui_print("%s", str2);
+		        pid_t pid = fork();
+                	if (pid == 0) {
+                		char *args[] = { "/sbin/sh", "-c", (char*)str3, "1>&2", NULL };
+                	        execv("/sbin/sh", args);
+                	        fprintf(stderr, str4, strerror(errno));
+                	        _exit(-1);
+                	}
+			int status;
+			while (waitpid(pid, &status, WNOHANG) == 0) {
+				ui_print(".");
+               		        sleep(1);
+			}
+                	ui_print("\n");
+			if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0)) {
+                		ui_print("%s", str5);
+                	} else {
+                		ui_print("%s", str6);
+                	}
+		} else {
+	       		ui_print("%s", str7);
+       	        }
+		//if (!ui_text_visible()) return;
+}
+
+void install_htc_dumlock(void)
+{
+	struct statfs fs1, fs2;
+	int need_libs = 0;
+
+	ui_print("Installing HTC Dumlock to system...\n");
+	ensure_path_mounted("/system");
+	__system("cp /res/htcd/htcdumlocksys /system/bin/htcdumlock && chmod 755 /system/bin/htcdumlock");
+	if (statfs("/system/bin/flash_image", &fs1) != 0) {
+		ui_print("Installing flash_image...\n");
+		__system("cp /res/htcd/flash_imagesys /system/bin/flash_image && chmod 755 /system/bin/flash_image");
+		need_libs = 1;
+	} else
+		ui_print("flash_image is already installed, skipping...\n");
+	if (statfs("/system/bin/dump_image", &fs2) != 0) {
+		ui_print("Installing dump_image...\n");
+		__system("cp /res/htcd/dump_imagesys /system/bin/dump_image && chmod 755 /system/bin/dump_image");
+		need_libs = 1;
+	} else
+		ui_print("dump_image is already installed, skipping...\n");
+	if (need_libs) {
+		ui_print("Installing libs needed for flash_image and dump_image...\n");
+		__system("cp /res/htcd/libbmlutils.so /system/lib && chmod 755 /system/lib/libbmlutils.so");
+		__system("cp /res/htcd/libflashutils.so /system/lib && chmod 755 /system/lib/libflashutils.so");
+		__system("cp /res/htcd/libmmcutils.so /system/lib && chmod 755 /system/lib/libmmcutils.so");
+		__system("cp /res/htcd/libmtdutils.so /system/lib && chmod 755 /system/lib/libmtdutils.so");
+	}
+	ui_print("Installing HTC Dumlock app...\n");
+	ensure_path_mounted("/data");
+	mkdir("/data/app", 0777);
+	__system("rm /data/app/com.teamwin.htcdumlock*");
+	__system("cp /res/htcd/HTCDumlock.apk /data/app/com.teamwin.htcdumlock.apk");
+	sync();
+	ui_print("HTC Dumlock is installed.\n");
+}
+
+void htc_dumlock_restore_original_boot(void)
+{
+	ui_print("Restoring original boot...\n");
+	__system("htcdumlock restore");
+	ui_print("Original boot restored.\n");
+}
+
+void htc_dumlock_reflash_recovery_to_boot(void)
+{
+	ui_print("Reflashing recovery to boot...\n");
+	__system("htcdumlock recovery noreboot");
+	ui_print("Recovery is flashed to boot.\n");
+}
+
+void check_and_run_script(const char* script_file, const char* display_name)
+{
+	// Check for and run startup script if script exists
+	struct statfs st;
+	if (statfs(script_file, &st) == 0) {
+		ui_print("Running %s script...\n", display_name);
+		char command[255];
+		strcpy(command, "chmod 755 ");
+		strcat(command, script_file);
+		__system(command);
+		__system(script_file);
+		ui_print("\nFinished running %s script.\n", display_name);
+	}
+}
+
+int check_backup_name(int show_error) {
+	// Check the backup name to ensure that it is the correct size and contains only valid characters
+	// and that a backup with that name doesn't already exist
+	char backup_name[MAX_BACKUP_NAME_LEN];
+	char backup_loc[255], tw_image_dir[255];
+	int copy_size = strlen(DataManager_GetStrValue(TW_BACKUP_NAME));
+	int index, cur_char;
+	struct statfs st;
+
+	// Check size
+	if (copy_size > MAX_BACKUP_NAME_LEN) {
+		if (show_error)
+			LOGE("Backup name is too long.\n");
+		return -2;
+	}
+
+	// Check characters
+	strncpy(backup_name, DataManager_GetStrValue(TW_BACKUP_NAME), copy_size);
+	if (strcmp(backup_name, "0") == 0)
+		return 0; // A "0" (zero) means to use the current timestamp for the backup name
+	for (index=0; index<copy_size; index++) {
+		cur_char = (int)backup_name[index];
+		if ((cur_char >= 48  && cur_char <= 57) || (cur_char >= 65 && cur_char <= 91) || cur_char == 93 || cur_char == 95 || (cur_char >= 97 && cur_char <= 123) || cur_char == 125 || cur_char == 45 || cur_char == 46) {
+			// These are valid characters
+			// Numbers
+			// Upper case letters
+			// Lower case letters
+			// and -_.{}[]
+		} else {
+			if (show_error)
+				LOGE("Backup name '%s' contains invalid character: '%c'\n", backup_name, (char)cur_char);
+			return -3;
+		}
+	}
+
+	// Check to make sure that a backup with this name doesn't already exist
+	strcpy(backup_loc, DataManager_GetStrValue(TW_BACKUPS_FOLDER_VAR));
+	sprintf(tw_image_dir,"%s/%s/.", backup_loc, backup_name);
+    if (statfs(tw_image_dir, &st) == 0) {
+		if (show_error)
+			LOGE("A backup with this name already exists.\n");
+		return -4;
+	}
+
+	// No problems found, return 0
+	return 0;
+}