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review.evervolv.com / android_bootable_recovery / 657c30948694632e937da9a4e61219c5e4bf95a0 / . / extra-functions.c
blob: 4b03bc963db9075c600365dd925ff55269f0dac4 [file] [log] [blame]
/*
* 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 "minuitwrp/minui.h"
#include "minzip/DirUtil.h"
#include "minzip/Zip.h"
#include "recovery_ui.h"
#include "roots.h"
#include "data.h"
#include "variables.h"
#include "mincrypt/rsa.h"
#include "verifier.h"
#include "mincrypt/sha.h"
#ifndef PUBLIC_KEYS_FILE
#define PUBLIC_KEYS_FILE "/res/keys"
#endif
#ifndef ASSUMED_UPDATE_BINARY_NAME
#define ASSUMED_UPDATE_BINARY_NAME "META-INF/com/google/android/update-binary"
#endif
enum { INSTALL_SUCCESS, INSTALL_ERROR, INSTALL_CORRUPT };
//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"
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);
}
int TWtry_update_binary(const char *path, ZipArchive *zip, int* wipe_cache) {
const ZipEntry* binary_entry =
mzFindZipEntry(zip, ASSUMED_UPDATE_BINARY_NAME);
if (binary_entry == NULL) {
mzCloseZipArchive(zip);
return INSTALL_CORRUPT;
}
const char* binary = "/tmp/update_binary";
unlink(binary);
int fd = creat(binary, 0755);
if (fd < 0) {
mzCloseZipArchive(zip);
LOGE("Can't make %s\n", binary);
return INSTALL_ERROR;
}
bool ok = mzExtractZipEntryToFile(zip, binary_entry, fd);
close(fd);
mzCloseZipArchive(zip);
if (!ok) {
LOGE("Can't copy %s\n", ASSUMED_UPDATE_BINARY_NAME);
return INSTALL_ERROR;
}
int pipefd[2];
pipe(pipefd);
// When executing the update binary contained in the package, the
// arguments passed are:
//
// - the version number for this interface
//
// - an fd to which the program can write in order to update the
// progress bar. The program can write single-line commands:
//
// progress <frac> <secs>
// fill up the next <frac> part of of the progress bar
// over <secs> seconds. If <secs> is zero, use
// set_progress commands to manually control the
// progress of this segment of the bar
//
// set_progress <frac>
// <frac> should be between 0.0 and 1.0; sets the
// progress bar within the segment defined by the most
// recent progress command.
//
// firmware <"hboot"|"radio"> <filename>
// arrange to install the contents of <filename> in the
// given partition on reboot.
//
// (API v2: <filename> may start with "PACKAGE:" to
// indicate taking a file from the OTA package.)
//
// (API v3: this command no longer exists.)
//
// ui_print <string>
// display <string> on the screen.
//
// - the name of the package zip file.
//
const char** args = (const char**)malloc(sizeof(char*) * 5);
args[0] = binary;
args[1] = EXPAND(RECOVERY_API_VERSION); // defined in Android.mk
char* temp = (char*)malloc(10);
sprintf(temp, "%d", pipefd[1]);
args[2] = temp;
args[3] = (char*)path;
args[4] = NULL;
pid_t pid = fork();
if (pid == 0) {
close(pipefd[0]);
execv(binary, (char* const*)args);
fprintf(stdout, "E:Can't run %s (error)\n", binary);
_exit(-1);
}
close(pipefd[1]);
*wipe_cache = 0;
char buffer[1024];
FILE* from_child = fdopen(pipefd[0], "r");
LOGI("8\n");
while (fgets(buffer, sizeof(buffer), from_child) != NULL) {
char* command = strtok(buffer, " \n");
if (command == NULL) {
continue;
} else if (strcmp(command, "progress") == 0) {
char* fraction_s = strtok(NULL, " \n");
char* seconds_s = strtok(NULL, " \n");
float fraction = strtof(fraction_s, NULL);
int seconds = strtol(seconds_s, NULL, 10);
//ui->ShowProgress(fraction * (1-VERIFICATION_PROGRESS_FRACTION), seconds);
} else if (strcmp(command, "set_progress") == 0) {
char* fraction_s = strtok(NULL, " \n");
float fraction = strtof(fraction_s, NULL);
//ui->SetProgress(fraction);
} else if (strcmp(command, "ui_print") == 0) {
char* str = strtok(NULL, "\n");
if (str) {
//ui->Print("%s", str);
} else {
//ui->Print("\n");
}
} else if (strcmp(command, "wipe_cache") == 0) {
*wipe_cache = 1;
} else if (strcmp(command, "clear_display") == 0) {
//ui->SetBackground(RecoveryUI::NONE);
} else {
LOGE("unknown command [%s]\n", command);
}
}
fclose(from_child);
int status;
waitpid(pid, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
LOGE("Error in %s\n(Status %d)\n", path, WEXITSTATUS(status));
return INSTALL_ERROR;
}
return INSTALL_SUCCESS;
}
// Look for an RSA signature embedded in the .ZIP file comment given
// the path to the zip. Verify it matches one of the given public
// keys.
//
// Return VERIFY_SUCCESS, VERIFY_FAILURE (if any error is encountered
// or no key matches the signature).
int TWverify_file(const char* path, const RSAPublicKey *pKeys, unsigned int numKeys) {
//ui->SetProgress(0.0);
FILE* f = fopen(path, "rb");
if (f == NULL) {
LOGE("failed to open %s (%s)\n", path, strerror(errno));
return VERIFY_FAILURE;
}
// An archive with a whole-file signature will end in six bytes:
//
// (2-byte signature start) $ff $ff (2-byte comment size)
//
// (As far as the ZIP format is concerned, these are part of the
// archive comment.) We start by reading this footer, this tells
// us how far back from the end we have to start reading to find
// the whole comment.
#define FOOTER_SIZE 6
if (fseek(f, -FOOTER_SIZE, SEEK_END) != 0) {
LOGE("failed to seek in %s (%s)\n", path, strerror(errno));
fclose(f);
return VERIFY_FAILURE;
}
unsigned char footer[FOOTER_SIZE];
if (fread(footer, 1, FOOTER_SIZE, f) != FOOTER_SIZE) {
LOGE("failed to read footer from %s (%s)\n", path, strerror(errno));
fclose(f);
return VERIFY_FAILURE;
}
if (footer[2] != 0xff || footer[3] != 0xff) {
fclose(f);
return VERIFY_FAILURE;
}
size_t comment_size = footer[4] + (footer[5] << 8);
size_t signature_start = footer[0] + (footer[1] << 8);
LOGI("comment is %d bytes; signature %d bytes from end\n",
comment_size, signature_start);
if (signature_start - FOOTER_SIZE < RSANUMBYTES) {
// "signature" block isn't big enough to contain an RSA block.
LOGE("signature is too short\n");
fclose(f);
return VERIFY_FAILURE;
}
#define EOCD_HEADER_SIZE 22
// The end-of-central-directory record is 22 bytes plus any
// comment length.
size_t eocd_size = comment_size + EOCD_HEADER_SIZE;
if (fseek(f, -eocd_size, SEEK_END) != 0) {
LOGE("failed to seek in %s (%s)\n", path, strerror(errno));
fclose(f);
return VERIFY_FAILURE;
}
// Determine how much of the file is covered by the signature.
// This is everything except the signature data and length, which
// includes all of the EOCD except for the comment length field (2
// bytes) and the comment data.
size_t signed_len = ftell(f) + EOCD_HEADER_SIZE - 2;
unsigned char* eocd = (unsigned char*)malloc(eocd_size);
if (eocd == NULL) {
LOGE("malloc for EOCD record failed\n");
fclose(f);
return VERIFY_FAILURE;
}
if (fread(eocd, 1, eocd_size, f) != eocd_size) {
LOGE("failed to read eocd from %s (%s)\n", path, strerror(errno));
fclose(f);
return VERIFY_FAILURE;
}
// If this is really is the EOCD record, it will begin with the
// magic number $50 $4b $05 $06.
if (eocd[0] != 0x50 || eocd[1] != 0x4b ||
eocd[2] != 0x05 || eocd[3] != 0x06) {
LOGE("signature length doesn't match EOCD marker\n");
fclose(f);
return VERIFY_FAILURE;
}
size_t i;
for (i = 4; i < eocd_size-3; ++i) {
if (eocd[i ] == 0x50 && eocd[i+1] == 0x4b &&
eocd[i+2] == 0x05 && eocd[i+3] == 0x06) {
// if the sequence $50 $4b $05 $06 appears anywhere after
// the real one, minzip will find the later (wrong) one,
// which could be exploitable. Fail verification if
// this sequence occurs anywhere after the real one.
LOGE("EOCD marker occurs after start of EOCD\n");
fclose(f);
return VERIFY_FAILURE;
}
}
#define BUFFER_SIZE 4096
SHA_CTX ctx;
SHA_init(&ctx);
unsigned char* buffer = (unsigned char*)malloc(BUFFER_SIZE);
if (buffer == NULL) {
LOGE("failed to alloc memory for sha1 buffer\n");
fclose(f);
return VERIFY_FAILURE;
}
double frac = -1.0;
size_t so_far = 0;
fseek(f, 0, SEEK_SET);
while (so_far < signed_len) {
size_t size = BUFFER_SIZE;
if (signed_len - so_far < size) size = signed_len - so_far;
if (fread(buffer, 1, size, f) != size) {
LOGE("failed to read data from %s (%s)\n", path, strerror(errno));
fclose(f);
return VERIFY_FAILURE;
}
SHA_update(&ctx, buffer, size);
so_far += size;
double f = so_far / (double)signed_len;
if (f > frac + 0.02 || size == so_far) {
//ui->SetProgress(f);
frac = f;
}
}
fclose(f);
free(buffer);
const uint8_t* sha1 = SHA_final(&ctx);
for (i = 0; i < numKeys; ++i) {
// The 6 bytes is the "(signature_start) $ff $ff (comment_size)" that
// the signing tool appends after the signature itself.
if (RSA_verify(pKeys+i, eocd + eocd_size - 6 - RSANUMBYTES,
RSANUMBYTES, sha1)) {
LOGI("whole-file signature verified against key %d\n", i);
free(eocd);
return VERIFY_SUCCESS;
}
}
free(eocd);
LOGE("failed to verify whole-file signature\n");
return VERIFY_FAILURE;
}
// Reads a file containing one or more public keys as produced by
// DumpPublicKey: this is an RSAPublicKey struct as it would appear
// as a C source literal, eg:
//
// "{64,0xc926ad21,{1795090719,...,-695002876},{-857949815,...,1175080310}}"
//
// (Note that the braces and commas in this example are actual
// characters the parser expects to find in the file; the ellipses
// indicate more numbers omitted from this example.)
//
// The file may contain multiple keys in this format, separated by
// commas. The last key must not be followed by a comma.
//
// Returns NULL if the file failed to parse, or if it contain zero keys.
static RSAPublicKey*
TWload_keys(const char* filename, int* numKeys) {
RSAPublicKey* out = NULL;
*numKeys = 0;
FILE* f = fopen(filename, "r");
if (f == NULL) {
LOGE("opening %s: ERROR\n", filename);
goto exit;
}
{
int i;
bool done = false;
while (!done) {
++*numKeys;
out = (RSAPublicKey*)realloc(out, *numKeys * sizeof(RSAPublicKey));
RSAPublicKey* key = out + (*numKeys - 1);
if (fscanf(f, " { %i , 0x%x , { %u",
&(key->len), &(key->n0inv), &(key->n[0])) != 3) {
goto exit;
}
if (key->len != RSANUMWORDS) {
LOGE("key length (%d) does not match expected size\n", key->len);
goto exit;
}
for (i = 1; i < key->len; ++i) {
if (fscanf(f, " , %u", &(key->n[i])) != 1) goto exit;
}
if (fscanf(f, " } , { %u", &(key->rr[0])) != 1) goto exit;
for (i = 1; i < key->len; ++i) {
if (fscanf(f, " , %u", &(key->rr[i])) != 1) goto exit;
}
fscanf(f, " } } ");
// if the line ends in a comma, this file has more keys.
switch (fgetc(f)) {
case ',':
// more keys to come.
break;
case EOF:
done = true;
break;
default:
LOGE("unexpected character between keys\n");
goto exit;
}
}
}
fclose(f);
return out;
exit:
if (f) fclose(f);
free(out);
*numKeys = 0;
return NULL;
}
int TWinstall_zip(const char* path, int* wipe_cache) {
int err;
if (DataManager_GetIntValue(TW_SIGNED_ZIP_VERIFY_VAR)) {
int numKeys;
RSAPublicKey* loadedKeys = TWload_keys(PUBLIC_KEYS_FILE, &numKeys);
if (loadedKeys == NULL) {
LOGE("Failed to load keys\n");
return -1;
}
LOGI("%d key(s) loaded from %s\n", numKeys, PUBLIC_KEYS_FILE);
// Give verification half the progress bar...
//ui->Print("Verifying update package...\n");
//ui->SetProgressType(RecoveryUI::DETERMINATE);
//ui->ShowProgress(VERIFICATION_PROGRESS_FRACTION, VERIFICATION_PROGRESS_TIME);
err = TWverify_file(path, loadedKeys, numKeys);
free(loadedKeys);
LOGI("verify_file returned %d\n", err);
if (err != VERIFY_SUCCESS) {
LOGE("signature verification failed\n");
return -1;
}
}
/* Try to open the package.
*/
ZipArchive zip;
err = mzOpenZipArchive(path, &zip);
if (err != 0) {
LOGE("Can't open %s\n(%s)\n", path, err != -1 ? strerror(err) : "bad");
return INSTALL_CORRUPT;
}
/* Verify and install the contents of the package.
*/
//ui->Print("Installing update...\n");
return TWtry_update_binary(path, &zip, wipe_cache);
}
//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;
}
static const char *COMMAND_FILE = "/cache/recovery/command";
static const char *INTENT_FILE = "/cache/recovery/intent";
static const char *LOG_FILE = "/cache/recovery/log";
static const char *LAST_LOG_FILE = "/cache/recovery/last_log";
static const char *LAST_INSTALL_FILE = "/cache/recovery/last_install";
static const char *CACHE_ROOT = "/cache";
static const char *SDCARD_ROOT = "/sdcard";
static const char *TEMPORARY_LOG_FILE = "/tmp/recovery.log";
static const char *TEMPORARY_INSTALL_FILE = "/tmp/last_install";
// close a file, log an error if the error indicator is set
static void check_and_fclose(FILE *fp, const char *name) {
fflush(fp);
if (ferror(fp)) LOGE("Error in %s\n(%s)\n", name, strerror(errno));
fclose(fp);
}
static void copy_log_file(const char* source, const char* destination, int append) {
FILE *log = fopen_path(destination, append ? "a" : "w");
if (log == NULL) {
LOGE("Can't open %s\n", destination);
} else {
FILE *tmplog = fopen(source, "r");
if (tmplog != NULL) {
if (append) {
fseek(tmplog, tmplog_offset, SEEK_SET); // Since last write
}
char buf[4096];
while (fgets(buf, sizeof(buf), tmplog)) fputs(buf, log);
if (append) {
tmplog_offset = ftell(tmplog);
}
check_and_fclose(tmplog, source);
}
check_and_fclose(log, destination);
}
}
// clear the recovery command and prepare to boot a (hopefully working) system,
// copy our log file to cache as well (for the system to read), and
// record any intent we were asked to communicate back to the system.
// this function is idempotent: call it as many times as you like.
void twfinish_recovery(const char *send_intent) {
// By this point, we're ready to return to the main system...
if (send_intent != NULL) {
FILE *fp = fopen_path(INTENT_FILE, "w");
if (fp == NULL) {
LOGE("Can't open %s\n", INTENT_FILE);
} else {
fputs(send_intent, fp);
check_and_fclose(fp, INTENT_FILE);
}
}
// Copy logs to cache so the system can find out what happened.
copy_log_file(TEMPORARY_LOG_FILE, LOG_FILE, true);
copy_log_file(TEMPORARY_LOG_FILE, LAST_LOG_FILE, false);
copy_log_file(TEMPORARY_INSTALL_FILE, LAST_INSTALL_FILE, false);
chmod(LOG_FILE, 0600);
chown(LOG_FILE, 1000, 1000); // system user
chmod(LAST_LOG_FILE, 0640);
chmod(LAST_INSTALL_FILE, 0644);
// Reset to normal system boot so recovery won't cycle indefinitely.
struct bootloader_message boot;
memset(&boot, 0, sizeof(boot));
set_bootloader_message(&boot);
// Remove the command file, so recovery won't repeat indefinitely.
if (ensure_path_mounted(COMMAND_FILE) != 0 ||
(unlink(COMMAND_FILE) && errno != ENOENT)) {
LOGW("Can't unlink %s\n", COMMAND_FILE);
}
ensure_path_unmounted(CACHE_ROOT);
sync(); // For good measure.
}