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Diffstat (limited to 'gui/gui-functions.c')
| -rw-r--r-- | gui/gui-functions.c | 860 |
1 files changed, 860 insertions, 0 deletions
diff --git a/gui/gui-functions.c b/gui/gui-functions.c new file mode 100644 index 000000000..53b78f973 --- /dev/null +++ b/gui/gui-functions.c @@ -0,0 +1,860 @@ +/* + * 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 "gui-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)) + +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; +} |