int mkdir_with_parents(const char *dir, int mode)
{
if (!dir) return -1;
if (__mkdir(dir, mode) == 0) {
return 0;
} else {
if (errno == EEXIST) {
return 0;
} else if (errno == ENOENT) {
// ignore
} else {
return -1;
}
}
int res;
char *parent = strdup(dir);
char *parentdir = dirname(parent);
if (parentdir && (strcmp(parentdir, ".") != 0) && (strcmp(parentdir, dir) != 0)) {
res = mkdir_with_parents(parentdir, mode);
} else {
res = -1;
}
free(parent);
if (res == 0) {
mkdir_with_parents(dir, mode);
}
return res;
}
/* Trap attempts to create directories outside the sandbox.
*/
int mkdir(const char* path, mode_t mode) {
#define __mkdir(x,y) syscall(SYS_mkdir, (x), (y))
int result = 0;
int isInSandbox = __darwintrace_is_in_sandbox(path, 0);
if (isInSandbox == 1) {
debug_printf("darwintrace: mkdir was allowed at %s\n", path);
} else if (isInSandbox == 0) {
/* outside sandbox, but sandbox is defined: forbid */
/* only consider directories that do not exist. */
struct stat theInfo;
int err;
err = lstat(path, &theInfo);
if ((err == -1) && (errno == ENOENT))
{
debug_printf("darwintrace: mkdir was forbidden at %s\n", path);
errno = EACCES;
result = -1;
} /* otherwise, mkdir will do nothing (directory exists) or fail
(another error) */
}
if (result == 0) {
result = __mkdir(path, mode);
}
return result;
}
static uint8_t __mkbasedir(const char *file_name)
{
char *dir_name;
uint8_t ret;
dir_name = strdup(file_name);
dir_name = dirname(dir_name);
ret = __mkdir(dir_name);
free(dir_name);
return ret;
}
static int load_version_data(struct idevicerestore_client_t* client)
{
if (!client) {
return -1;
}
struct stat fst;
int cached = 0;
if ((stat(VERSION_XML, &fst) < 0) || ((time(NULL)-86400) > fst.st_mtime)) {
char tmpf[256];
tmpf[0] = '\0';
if (!tmpnam(tmpf) || (tmpf[0] == '\0')) {
error("ERROR: Could not get temporary filename\n");
return -1;
}
if (download_to_file("http://ax.itunes.apple.com/check/version", tmpf) == 0) {
__mkdir("cache", 0755);
remove(VERSION_XML);
if (rename(tmpf, VERSION_XML) < 0) {
error("ERROR: Could not update '" VERSION_XML "'\n");
} else {
info("NOTE: Updated version data.\n");
}
}
} else {
cached = 1;
}
char *verbuf = NULL;
size_t verlen = 0;
read_file(VERSION_XML, (void**)&verbuf, &verlen);
if (!verbuf) {
error("ERROR: Could not load '" VERSION_XML "'.\n");
return -1;
}
client->version_data = NULL;
plist_from_xml(verbuf, verlen, &client->version_data);
if (!client->version_data) {
error("ERROR: Cannot parse plist data from '" VERSION_XML "'.\n");
return -1;
}
if (cached) {
info("NOTE: using cached version data\n");
}
return 0;
}
MKDIR_CODE MakeDir(const char *Name,const wchar *NameW,bool SetAttr,uint Attr)
{
#ifdef _WIN_ALL
BOOL RetCode;
if (WinNT() && NameW!=NULL && *NameW!=0)
RetCode=CreateDirectoryW(NameW,NULL);
else
if (Name!=NULL)
RetCode=CreateDirectoryA(Name,NULL);
else
return(MKDIR_BADPATH);
if (RetCode!=0) // Non-zero return code means success for CreateDirectory.
{
if (SetAttr)
SetFileAttr(Name,NameW,Attr);
return(MKDIR_SUCCESS);
}
int ErrCode=GetLastError();
if (ErrCode==ERROR_FILE_NOT_FOUND || ErrCode==ERROR_PATH_NOT_FOUND)
return(MKDIR_BADPATH);
return(MKDIR_ERROR);
#else
// No Unicode in the rest of function, so Name must be not NULL.
if (Name==NULL)
return(MKDIR_BADPATH);
#endif
#ifdef _EMX
#ifdef _DJGPP
if (mkdir(Name,(Attr & FA_RDONLY) ? 0:S_IWUSR)==0)
#else
if (__mkdir(Name)==0)
#endif
{
if (SetAttr)
SetFileAttr(Name,NameW,Attr);
return(MKDIR_SUCCESS);
}
return(errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR);
#endif
#ifdef _UNIX
mode_t uattr=SetAttr ? (mode_t)Attr:0777;
int ErrCode=mkdir(Name,uattr);
if (ErrCode==-1)
return(errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR);
return(MKDIR_SUCCESS);
#endif
}
/* We need to use both the URL and the client_addr for checking, if two
clients retrieve the same file, it would clash. However, this is pretty
inefficent - FIXME (i.e. make me deal with multiple downloads of the same
URL). */
const char * const update_file(hash_table *hash, const char *modname,const char * const tempdir,const char * const url,const char * const client_addr,const char * const buf,int len,long int **lastscannedsize) {
FILE* f;
char *key, *tmpfile;
tmpfile_hash_link* lp;
int keylen;
// first create the key
keylen=strnlen(url, 1024) + strnlen(client_addr, 1024);
if((key=(char*) xmalloc (sizeof(char) * (keylen + 1)))==NULL) return NULL;
strncpy(key, url, keylen);
strncat(key, client_addr, keylen);
// do we already know that combination?
if((lp=hash_lookup(hash, key))==NULL) {
// nope, create a new temp file
if(__is_dir(tempdir)==0) __mkdir(tempdir);
tmpfile=tempnam(tempdir, "file");
if(tmpfile==NULL) {
debug(93,3) ("%s: error: could not create temporary file name\n", modname);
xfree(key);
return NULL;
}
// insert into the hash
lp=xmalloc(sizeof(tmpfile_hash_link));
lp->hash.key=xstrdup(key);
lp->filename=xstrdup(tmpfile);
lp->lastscannedsize=0;
xfree(tmpfile);
hash_join(hash, &lp->hash);
}
xfree(key);
// here we are sure that the file name has been set (in lp->filename)
// care about file permissions!
umask(0077);
f=fopen(lp->filename, "ab");
if(f==NULL) return NULL;
if(buf[0]!=' ') fwrite(buf, 1, len, f);
fclose(f);
if(lastscannedsize !=NULL) *lastscannedsize=&lp->lastscannedsize;
return lp->filename;
}
MKDIR_CODE MakeDir(const char *Name,const wchar *NameW,uint Attr)
{
#ifdef _WIN_32
int Success;
#if !defined(_XBOX) && !defined(_LINUX)
if (WinNT() && NameW!=NULL && *NameW!=0)
Success=CreateDirectoryW(NameW,NULL);
else
#endif
Success=CreateDirectory(Name,NULL);
if (Success)
{
SetFileAttr(Name,NameW,Attr);
return(MKDIR_SUCCESS);
}
int ErrCode=GetLastError();
if (ErrCode==ERROR_FILE_NOT_FOUND || ErrCode==ERROR_PATH_NOT_FOUND)
return(MKDIR_BADPATH);
return(MKDIR_ERROR);
#endif
#ifdef _EMX
#ifdef _DJGPP
if (mkdir(Name,(Attr & FA_RDONLY) ? 0:S_IWUSR)==0)
#else
if (__mkdir(Name)==0)
#endif
{
SetFileAttr(Name,NameW,Attr);
return(MKDIR_SUCCESS);
}
return(errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR);
#endif
#ifdef _UNIX
int prevmask=umask(0);
int ErrCode=Name==NULL ? -1:mkdir(Name,(mode_t)Attr);
umask(prevmask);
if (ErrCode==-1)
return(errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR);
return(MKDIR_SUCCESS);
#endif
}
MKDIR_CODE MakeDir(const char *Name,const wchar *NameW,bool SetAttr,uint Attr)
{
#ifdef _WIN_32
int Success;
if (WinNT() && NameW!=NULL && *NameW!=0)
Success=CreateDirectoryW(NameW,NULL);
else
Success=CreateDirectory(Name,NULL);
if (Success)
{
if (SetAttr)
SetFileAttr(Name,NameW,Attr);
return(MKDIR_SUCCESS);
}
int ErrCode=GetLastError();
if (ErrCode==ERROR_FILE_NOT_FOUND || ErrCode==ERROR_PATH_NOT_FOUND)
return(MKDIR_BADPATH);
return(MKDIR_ERROR);
#endif
#ifdef _EMX
#ifdef _DJGPP
if (mkdir(Name,(Attr & FA_RDONLY) ? 0:S_IWUSR)==0)
#else
if (__mkdir(Name)==0)
#endif
{
if (SetAttr)
SetFileAttr(Name,NameW,Attr);
return(MKDIR_SUCCESS);
}
return(errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR);
#endif
#ifdef _UNIX
mode_t uattr=SetAttr ? (mode_t)Attr:0777;
int ErrCode=Name==NULL ? -1:mkdir(Name,uattr);
if (ErrCode==-1)
return(errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR);
return(MKDIR_SUCCESS);
#endif
}
int mkdir_with_parents(const char *dir, int mode)
{
if (!dir) return -1;
if (__mkdir(dir, mode) == 0) {
return 0;
} else {
if (errno == EEXIST) return 0;
}
int res;
char *parent = strdup(dir);
parent = dirname(parent);
if (parent) {
res = mkdir_with_parents(parent, mode);
} else {
res = -1;
}
free(parent);
if (res == 0) {
mkdir_with_parents(dir, mode);
}
return res;
}
/* Generate a temporary file name based on TMPL. TMPL must match the
rules for mk[s]temp (i.e. end in at least X_SUFFIX_LEN "X"s,
possibly with a suffix).
The name constructed does not exist at the time of the call to
this function. TMPL is overwritten with the result.
KIND may be one of:
__GT_NOCREATE: simply verify that the name does not exist
at the time of the call.
__GT_FILE: create the file using open(O_CREAT|O_EXCL)
and return a read-write fd. The file is mode 0600.
__GT_DIR: create a directory, which will be mode 0700.
We use a clever algorithm to get hard-to-predict names. */
int
gen_tempname_len (char *tmpl, int suffixlen, int flags, int kind,
size_t x_suffix_len)
{
size_t len;
char *XXXXXX;
unsigned int count;
int fd = -1;
int save_errno = errno;
struct_stat64 st;
struct randint_source *rand_src;
/* A lower bound on the number of temporary files to attempt to
generate. The maximum total number of temporary file names that
can exist for a given template is 62**6. It should never be
necessary to try all these combinations. Instead if a reasonable
number of names is tried (we define reasonable as 62**3) fail to
give the system administrator the chance to remove the problems.
This value requires that X_SUFFIX_LEN be at least 3. */
#define ATTEMPTS_MIN (62 * 62 * 62)
/* The number of times to attempt to generate a temporary file. To
conform to POSIX, this must be no smaller than TMP_MAX. */
#if ATTEMPTS_MIN < TMP_MAX
unsigned int attempts = TMP_MAX;
#else
unsigned int attempts = ATTEMPTS_MIN;
#endif
len = strlen (tmpl);
if (len < x_suffix_len + suffixlen
|| ! check_x_suffix (&tmpl[len - x_suffix_len - suffixlen],
x_suffix_len))
{
__set_errno (EINVAL);
return -1;
}
/* This is where the Xs start. */
XXXXXX = &tmpl[len - x_suffix_len - suffixlen];
/* Get some more or less random data. */
rand_src = randint_all_new (NULL, x_suffix_len);
if (! rand_src)
return -1;
for (count = 0; count < attempts; ++count)
{
size_t i;
for (i = 0; i < x_suffix_len; i++)
XXXXXX[i] = letters[randint_genmax (rand_src, sizeof letters - 2)];
switch (kind)
{
case __GT_FILE:
fd = __open (tmpl,
(flags & ~O_ACCMODE)
| O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
break;
case __GT_DIR:
fd = __mkdir (tmpl, S_IRUSR | S_IWUSR | S_IXUSR);
break;
case __GT_NOCREATE:
/* This case is backward from the other three. This function
succeeds if __xstat fails because the name does not exist.
Note the continue to bypass the common logic at the bottom
of the loop. */
if (__lxstat64 (_STAT_VER, tmpl, &st) < 0)
{
if (errno == ENOENT)
{
__set_errno (save_errno);
fd = 0;
goto done;
}
else
{
/* Give up now. */
fd = -1;
goto done;
}
}
continue;
default:
assert (! "invalid KIND in __gen_tempname");
abort ();
}
if (fd >= 0)
{
__set_errno (save_errno);
goto done;
}
else if (errno != EEXIST)
{
fd = -1;
goto done;
}
}
randint_all_free (rand_src);
/* We got out of the loop because we ran out of combinations to try. */
__set_errno (EEXIST);
return -1;
done:
{
int saved_errno = errno;
randint_all_free (rand_src);
__set_errno (saved_errno);
}
return fd;
}
/* Generate a temporary file name based on TMPL. TMPL must match the
rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed
does not exist at the time of the call to __gen_tempname. TMPL is
overwritten with the result.
KIND may be one of:
__GT_NOCREATE: simply verify that the name does not exist
at the time of the call.
__GT_FILE: create the file using open(O_CREAT|O_EXCL)
and return a read-write fd. The file is mode 0600.
__GT_BIGFILE: same as __GT_FILE but use open64().
__GT_DIR: create a directory, which will be mode 0700.
We use a clever algorithm to get hard-to-predict names. */
int
__gen_tempname (char *tmpl, int kind)
{
int len;
char *XXXXXX;
static uint64_t value;
uint64_t random_time_bits;
unsigned int count;
int fd = -1;
int save_errno = errno;
struct_stat64 st;
/* A lower bound on the number of temporary files to attempt to
generate. The maximum total number of temporary file names that
can exist for a given template is 62**6. It should never be
necessary to try all these combinations. Instead if a reasonable
number of names is tried (we define reasonable as 62**3) fail to
give the system administrator the chance to remove the problems. */
unsigned int attempts_min = 62 * 62 * 62;
/* The number of times to attempt to generate a temporary file. To
conform to POSIX, this must be no smaller than TMP_MAX. */
unsigned int attempts = attempts_min < TMP_MAX ? TMP_MAX : attempts_min;
len = strlen (tmpl);
if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
{
__set_errno (EINVAL);
return -1;
}
/* This is where the Xs start. */
XXXXXX = &tmpl[len - 6];
/* Get some more or less random data. */
#ifdef RANDOM_BITS
RANDOM_BITS (random_time_bits);
#else
# if HAVE_GETTIMEOFDAY || _LIBC
{
struct timeval tv;
__gettimeofday (&tv, NULL);
random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
}
# else
random_time_bits = time (NULL);
# endif
#endif
value += random_time_bits ^ __getpid ();
for (count = 0; count < attempts; value += 7777, ++count)
{
uint64_t v = value;
/* Fill in the random bits. */
XXXXXX[0] = letters[v % 62];
v /= 62;
XXXXXX[1] = letters[v % 62];
v /= 62;
XXXXXX[2] = letters[v % 62];
v /= 62;
XXXXXX[3] = letters[v % 62];
v /= 62;
XXXXXX[4] = letters[v % 62];
v /= 62;
XXXXXX[5] = letters[v % 62];
switch (kind)
{
case __GT_FILE:
fd = __open (tmpl, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
break;
case __GT_BIGFILE:
fd = __open64 (tmpl, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
break;
case __GT_DIR:
fd = __mkdir (tmpl, S_IRUSR | S_IWUSR | S_IXUSR);
break;
case __GT_NOCREATE:
/* This case is backward from the other three. __gen_tempname
succeeds if __xstat fails because the name does not exist.
Note the continue to bypass the common logic at the bottom
of the loop. */
if (__lxstat64 (_STAT_VER, tmpl, &st) < 0)
{
if (errno == ENOENT)
{
__set_errno (save_errno);
return 0;
}
else
/* Give up now. */
return -1;
}
continue;
default:
assert (! "invalid KIND in __gen_tempname");
}
if (fd >= 0)
{
__set_errno (save_errno);
return fd;
}
else if (errno != EEXIST)
return -1;
}
/* We got out of the loop because we ran out of combinations to try. */
__set_errno (EEXIST);
return -1;
}
/* Generate a temporary file name based on TMPL. TMPL must match the
rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed
does not exist at the time of the call to __gen_tempname. TMPL is
overwritten with the result.
KIND may be one of:
__GT_NOCREATE: simply verify that the name does not exist
at the time of the call.
__GT_FILE: create the file using open(O_CREAT|O_EXCL)
and return a read-write fd. The file is mode 0600.
__GT_BIGFILE: same as __GT_FILE but use open64().
__GT_DIR: create a directory, which will be mode 0700.
We use a clever algorithm to get hard-to-predict names. */
int
__gen_tempname (char *tmpl, int kind)
{
int len;
char *XXXXXX;
static uint64_t value;
uint64_t random_time_bits;
int count, fd = -1;
int save_errno = errno;
struct_stat64 st;
len = strlen (tmpl);
if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
{
__set_errno (EINVAL);
return -1;
}
/* This is where the Xs start. */
XXXXXX = &tmpl[len - 6];
/* Get some more or less random data. */
#ifdef RANDOM_BITS
RANDOM_BITS (random_time_bits);
#else
# if HAVE_GETTIMEOFDAY || _LIBC
{
struct timeval tv;
__gettimeofday (&tv, NULL);
random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
}
# else
random_time_bits = time (NULL);
# endif
#endif
value += random_time_bits ^ __getpid ();
for (count = 0; count < TMP_MAX; value += 7777, ++count)
{
uint64_t v = value;
/* Fill in the random bits. */
XXXXXX[0] = letters[v % 62];
v /= 62;
XXXXXX[1] = letters[v % 62];
v /= 62;
XXXXXX[2] = letters[v % 62];
v /= 62;
XXXXXX[3] = letters[v % 62];
v /= 62;
XXXXXX[4] = letters[v % 62];
v /= 62;
XXXXXX[5] = letters[v % 62];
switch (kind)
{
case __GT_FILE:
fd = __open (tmpl, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
break;
case __GT_BIGFILE:
fd = __open64 (tmpl, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
break;
case __GT_DIR:
fd = __mkdir (tmpl, S_IRUSR | S_IWUSR | S_IXUSR);
break;
case __GT_NOCREATE:
/* This case is backward from the other three. __gen_tempname
succeeds if __xstat fails because the name does not exist.
Note the continue to bypass the common logic at the bottom
of the loop. */
if (__lxstat64 (_STAT_VER, tmpl, &st) < 0)
{
if (errno == ENOENT)
{
__set_errno (save_errno);
return 0;
}
else
/* Give up now. */
return -1;
}
continue;
default:
assert (! "invalid KIND in __gen_tempname");
}
if (fd >= 0)
{
__set_errno (save_errno);
return fd;
}
else if (errno != EEXIST)
return -1;
}
/* We got out of the loop because we ran out of combinations to try. */
__set_errno (EEXIST);
return -1;
}
static int
try_dir (char *tmpl, void *flags)
{
return __mkdir (tmpl, S_IRUSR | S_IWUSR | S_IXUSR);
}
/* Generate a temporary file name based on TMPL. TMPL must match the
rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed
does not exist at the time of the call to __gen_tempname. TMPL is
overwritten with the result.
KIND is:
__GT_DIR: create a directory, which will be mode 0700.
We use a clever algorithm to get hard-to-predict names. */
static int
gen_tempname (char *tmpl)
{
int len;
char *XXXXXX;
static uint64_t value;
uint64_t random_time_bits;
unsigned int count;
int fd = -1;
int save_errno = errno;
/* A lower bound on the number of temporary files to attempt to
generate. The maximum total number of temporary file names that
can exist for a given template is 62**6. It should never be
necessary to try all these combinations. Instead if a reasonable
number of names is tried (we define reasonable as 62**3) fail to
give the system administrator the chance to remove the problems. */
#define ATTEMPTS_MIN (62 * 62 * 62)
/* The number of times to attempt to generate a temporary file. To
conform to POSIX, this must be no smaller than TMP_MAX. */
#if ATTEMPTS_MIN < TMP_MAX
unsigned int attempts = TMP_MAX;
#else
unsigned int attempts = ATTEMPTS_MIN;
#endif
len = strlen (tmpl);
if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
{
__set_errno (EINVAL);
return -1;
}
/* This is where the Xs start. */
XXXXXX = &tmpl[len - 6];
/* Get some more or less random data. */
#ifdef RANDOM_BITS
RANDOM_BITS (random_time_bits);
#else
# if HAVE_GETTIMEOFDAY || _LIBC
{
struct timeval tv;
__gettimeofday (&tv, NULL);
random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
}
# else
random_time_bits = time (NULL);
# endif
#endif
value += random_time_bits ^ __getpid ();
for (count = 0; count < attempts; value += 7777, ++count)
{
uint64_t v = value;
/* Fill in the random bits. */
XXXXXX[0] = letters[v % 62];
v /= 62;
XXXXXX[1] = letters[v % 62];
v /= 62;
XXXXXX[2] = letters[v % 62];
v /= 62;
XXXXXX[3] = letters[v % 62];
v /= 62;
XXXXXX[4] = letters[v % 62];
v /= 62;
XXXXXX[5] = letters[v % 62];
fd = __mkdir (tmpl, S_IRUSR | S_IWUSR | S_IXUSR);
if (fd >= 0)
{
__set_errno (save_errno);
return fd;
}
else if (errno != EEXIST)
return -1;
}
/* We got out of the loop because we ran out of combinations to try. */
__set_errno (EEXIST);
return -1;
}
int main(int argc, char* argv[]) {
int opt = 0;
int optindex = 0;
char* ipsw = NULL;
char* uuid = NULL;
int tss_enabled = 0;
int shsh_only = 0;
char* shsh_dir = NULL;
use_apple_server=1;
// create an instance of our context
struct idevicerestore_client_t* client = (struct idevicerestore_client_t*) malloc(sizeof(struct idevicerestore_client_t));
if (client == NULL) {
error("ERROR: Out of memory\n");
return -1;
}
memset(client, '\0', sizeof(struct idevicerestore_client_t));
while ((opt = getopt_long(argc, argv, "dhcesxtpi:u:", longopts, &optindex)) > 0) {
switch (opt) {
case 'h':
usage(argc, argv);
return 0;
case 'd':
client->flags |= FLAG_DEBUG;
idevicerestore_debug = 1;
break;
case 'e':
client->flags |= FLAG_ERASE;
break;
case 'c':
client->flags |= FLAG_CUSTOM;
break;
case 's':
use_apple_server=0;
break;
case 'x':
client->flags |= FLAG_EXCLUDE;
break;
case 'i':
if (optarg) {
char* tail = NULL;
client->ecid = strtoull(optarg, &tail, 16);
if (tail && (tail[0] != '\0')) {
client->ecid = 0;
}
if (client->ecid == 0) {
error("ERROR: Could not parse ECID from '%s'\n", optarg);
return -1;
}
}
break;
case 'u':
uuid = optarg;
break;
case 't':
shsh_only = 1;
break;
case 'p':
client->flags |= FLAG_PWN;
break;
default:
usage(argc, argv);
return -1;
}
}
if (((argc-optind) == 1) || (client->flags & FLAG_PWN)) {
argc -= optind;
argv += optind;
ipsw = argv[0];
} else {
usage(argc, argv);
return -1;
}
if (client->flags & FLAG_DEBUG) {
idevice_set_debug_level(1);
irecv_set_debug_level(1);
}
client->uuid = uuid;
client->ipsw = ipsw;
// update version data (from cache, or apple if too old)
load_version_data(client);
// check which mode the device is currently in so we know where to start
if (check_mode(client) < 0 || client->mode->index == MODE_UNKNOWN) {
error("ERROR: Unable to discover device mode. Please make sure a device is attached.\n");
return -1;
}
info("Found device in %s mode\n", client->mode->string);
if (client->mode->index == MODE_WTF) {
int cpid = 0;
if (dfu_client_new(client) != 0) {
error("ERROR: Could not open device in WTF mode\n");
return -1;
}
if ((dfu_get_cpid(client, &cpid) < 0) || (cpid == 0)) {
error("ERROR: Could not get CPID for WTF mode device\n");
dfu_client_free(client);
return -1;
}
char* s_wtfurl = NULL;
plist_t wtfurl = plist_access_path(client->version_data, 7, "MobileDeviceSoftwareVersionsByVersion", "5", "RecoverySoftwareVersions", "WTF", "304218112", "5", "FirmwareURL");
if (wtfurl && (plist_get_node_type(wtfurl) == PLIST_STRING)) {
plist_get_string_val(wtfurl, &s_wtfurl);
}
if (!s_wtfurl) {
info("Using hardcoded x12220000_5_Recovery.ipsw URL\n");
s_wtfurl = strdup("http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPhone/061-6618.20090617.Xse7Y/x12220000_5_Recovery.ipsw");
}
// make a local file name
char* fnpart = strrchr(s_wtfurl, '/');
if (!fnpart) {
fnpart = "x12220000_5_Recovery.ipsw";
} else {
fnpart++;
}
struct stat fst;
char wtfipsw[256];
sprintf(wtfipsw, "cache/%s", fnpart);
if (stat(wtfipsw, &fst) != 0) {
__mkdir("cache", 0755);
download_to_file(s_wtfurl, wtfipsw);
}
char wtfname[256];
sprintf(wtfname, "Firmware/dfu/WTF.s5l%04xxall.RELEASE.dfu", cpid);
char* wtftmp = NULL;
uint32_t wtfsize = 0;
ipsw_extract_to_memory(wtfipsw, wtfname, &wtftmp, &wtfsize);
if (!wtftmp) {
error("ERROR: Could not extract WTF\n");
} else {
if (dfu_send_buffer(client, wtftmp, wtfsize) != 0) {
error("ERROR: Could not send WTF...\n");
}
}
dfu_client_free(client);
sleep(1);
free(wtftmp);
client->mode = &idevicerestore_modes[MODE_DFU];
}
// discover the device type
if (check_device(client) < 0 || client->device->index == DEVICE_UNKNOWN) {
error("ERROR: Unable to discover device type\n");
return -1;
}
info("Identified device as %s\n", client->device->product);
if ((client->flags & FLAG_PWN) && (client->mode->index != MODE_DFU)) {
error("ERROR: you need to put your device into DFU mode to pwn it.\n");
return -1;
}
if (client->flags & FLAG_PWN) {
recovery_client_free(client);
info("connecting to DFU\n");
if (dfu_client_new(client) < 0) {
return -1;
}
info("exploiting with limera1n...\n");
// TODO: check for non-limera1n device and fail
if (limera1n_exploit(client->device, client->dfu->client) != 0) {
error("ERROR: limera1n exploit failed\n");
dfu_client_free(client);
return -1;
}
dfu_client_free(client);
info("Device should be in pwned DFU state now.\n");
return 0;
}
if (client->mode->index == MODE_RESTORE) {
if (restore_reboot(client) < 0) {
error("ERROR: Unable to exit restore mode\n");
return -1;
}
}
// extract buildmanifest
plist_t buildmanifest = NULL;
if (client->flags & FLAG_CUSTOM) {
info("Extracting Restore.plist from IPSW\n");
if (ipsw_extract_restore_plist(ipsw, &buildmanifest) < 0) {
error("ERROR: Unable to extract Restore.plist from %s\n", ipsw);
return -1;
}
} else {
info("Extracting BuildManifest from IPSW\n");
if (ipsw_extract_build_manifest(ipsw, &buildmanifest, &tss_enabled) < 0) {
error("ERROR: Unable to extract BuildManifest from %s\n", ipsw);
return -1;
}
}
/* check if device type is supported by the given build manifest */
if (build_manifest_check_compatibility(buildmanifest, client->device->product) < 0) {
error("ERROR: could not make sure this firmware is suitable for the current device. refusing to continue.\n");
return -1;
}
/* print iOS information from the manifest */
build_manifest_get_version_information(buildmanifest, &client->version, &client->build);
info("Product Version: %s\n", client->version);
info("Product Build: %s\n", client->build);
if (client->flags & FLAG_CUSTOM) {
/* prevent signing custom firmware */
tss_enabled = 0;
info("Custom firmware requested. Disabled TSS request.\n");
}
// choose whether this is an upgrade or a restore (default to upgrade)
client->tss = NULL;
plist_t build_identity = NULL;
if (client->flags & FLAG_CUSTOM) {
build_identity = plist_new_dict();
{
plist_t node;
plist_t comp;
plist_t info;
plist_t manifest;
info = plist_new_dict();
plist_dict_insert_item(info, "RestoreBehavior", plist_new_string((client->flags & FLAG_ERASE) ? "Erase" : "Update"));
plist_dict_insert_item(info, "Variant", plist_new_string((client->flags & FLAG_ERASE) ? "Customer Erase Install (IPSW)" : "Customer Upgrade Install (IPSW)"));
plist_dict_insert_item(build_identity, "Info", info);
manifest = plist_new_dict();
char tmpstr[256];
char p_all_flash[128];
char lcmodel[8];
strcpy(lcmodel, client->device->model);
int x = 0;
while (lcmodel[x]) {
lcmodel[x] = tolower(lcmodel[x]);
x++;
}
sprintf(p_all_flash, "Firmware/all_flash/all_flash.%s.%s", lcmodel, "production");
strcpy(tmpstr, p_all_flash);
strcat(tmpstr, "/manifest");
// get all_flash file manifest
char *files[16];
char *fmanifest = NULL;
uint32_t msize = 0;
if (ipsw_extract_to_memory(ipsw, tmpstr, &fmanifest, &msize) < 0) {
error("ERROR: could not extract %s from IPSW\n", tmpstr);
return -1;
}
char *tok = strtok(fmanifest, "\r\n");
int fc = 0;
while (tok) {
files[fc++] = strdup(tok);
if (fc >= 16) {
break;
}
tok = strtok(NULL, "\r\n");
}
free(fmanifest);
for (x = 0; x < fc; x++) {
info = plist_new_dict();
strcpy(tmpstr, p_all_flash);
strcat(tmpstr, "/");
strcat(tmpstr, files[x]);
plist_dict_insert_item(info, "Path", plist_new_string(tmpstr));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", info);
const char* compname = get_component_name(files[x]);
if (compname) {
plist_dict_insert_item(manifest, compname, comp);
if (!strncmp(files[x], "DeviceTree", 10)) {
plist_dict_insert_item(manifest, "RestoreDeviceTree", plist_copy(comp));
}
} else {
error("WARNING: unhandled component %s\n", files[x]);
plist_free(comp);
}
free(files[x]);
files[x] = NULL;
}
// add iBSS
sprintf(tmpstr, "Firmware/dfu/iBSS.%s.%s.dfu", lcmodel, "RELEASE");
info = plist_new_dict();
plist_dict_insert_item(info, "Path", plist_new_string(tmpstr));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", info);
plist_dict_insert_item(manifest, "iBSS", comp);
// add iBEC
sprintf(tmpstr, "Firmware/dfu/iBEC.%s.%s.dfu", lcmodel, "RELEASE");
info = plist_new_dict();
plist_dict_insert_item(info, "Path", plist_new_string(tmpstr));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", info);
plist_dict_insert_item(manifest, "iBEC", comp);
// add kernel cache
node = plist_dict_get_item(buildmanifest, "KernelCachesByTarget");
if (node && (plist_get_node_type(node) == PLIST_DICT)) {
char tt[4];
strncpy(tt, lcmodel, 3);
tt[3] = 0;
plist_t kdict = plist_dict_get_item(node, tt);
if (kdict && (plist_get_node_type(kdict) == PLIST_DICT)) {
plist_t kc = plist_dict_get_item(kdict, "Release");
if (kc && (plist_get_node_type(kc) == PLIST_STRING)) {
info = plist_new_dict();
plist_dict_insert_item(info, "Path", plist_copy(kc));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", info);
plist_dict_insert_item(manifest, "KernelCache", comp);
plist_dict_insert_item(manifest, "RestoreKernelCache", plist_copy(comp));
}
}
}
// add ramdisk
node = plist_dict_get_item(buildmanifest, "RestoreRamDisks");
if (node && (plist_get_node_type(node) == PLIST_DICT)) {
plist_t rd = plist_dict_get_item(node, (client->flags & FLAG_ERASE) ? "User" : "Update");
if (rd && (plist_get_node_type(rd) == PLIST_STRING)) {
info = plist_new_dict();
plist_dict_insert_item(info, "Path", plist_copy(rd));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", info);
plist_dict_insert_item(manifest, "RestoreRamDisk", comp);
}
}
// add OS filesystem
node = plist_dict_get_item(buildmanifest, "SystemRestoreImages");
if (!node) {
error("ERROR: missing SystemRestoreImages in Restore.plist\n");
}
plist_t os = plist_dict_get_item(node, "User");
if (!os) {
error("ERROR: missing filesystem in Restore.plist\n");
} else {
info = plist_new_dict();
plist_dict_insert_item(info, "Path", plist_copy(os));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", info);
plist_dict_insert_item(manifest, "OS", comp);
}
// finally add manifest
plist_dict_insert_item(build_identity, "Manifest", manifest);
}
} else if (client->flags & FLAG_ERASE) {
build_identity = build_manifest_get_build_identity(buildmanifest, 0);
if (build_identity == NULL) {
error("ERROR: Unable to find any build identities\n");
plist_free(buildmanifest);
return -1;
}
} else {
// loop through all build identities in the build manifest
// and list the valid ones
int i = 0;
int valid_builds = 0;
int build_count = build_manifest_get_identity_count(buildmanifest);
for (i = 0; i < build_count; i++) {
build_identity = build_manifest_get_build_identity(buildmanifest, i);
valid_builds++;
}
}
/* print information about current build identity */
build_identity_print_information(build_identity);
/* retrieve shsh blobs if required */
if (tss_enabled) {
debug("Getting device's ECID for TSS request\n");
/* fetch the device's ECID for the TSS request */
if (get_ecid(client, &client->ecid) < 0) {
error("ERROR: Unable to find device ECID\n");
return -1;
}
info("Found ECID " FMT_qu "\n", (long long unsigned int)client->ecid);
if (get_shsh_blobs(client, client->ecid, NULL, 0, build_identity, &client->tss) < 0) {
error("ERROR: Unable to get SHSH blobs for this device\n");
return -1;
}
}
if (shsh_only) {
if (!tss_enabled) {
info("This device does not require a TSS record");
return 0;
}
if (!client->tss) {
error("ERROR: could not fetch TSS record");
plist_free(buildmanifest);
return -1;
} else {
char *bin = NULL;
uint32_t blen = 0;
plist_to_bin(client->tss, &bin, &blen);
if (bin) {
char zfn[512];
sprintf(zfn, "shsh/" FMT_qu "-%s-%s.shsh", (long long int)client->ecid, client->device->product, client->version);
__mkdir("shsh", 0755);
struct stat fst;
if (stat(zfn, &fst) != 0) {
gzFile zf = gzopen(zfn, "wb");
gzwrite(zf, bin, blen);
gzclose(zf);
info("SHSH saved to '%s'\n", zfn);
} else {
info("SHSH '%s' already present.\n", zfn);
}
free(bin);
} else {
error("ERROR: could not get TSS record data\n");
}
plist_free(client->tss);
plist_free(buildmanifest);
return 0;
}
}
/* verify if we have tss records if required */
if ((tss_enabled) && (client->tss == NULL)) {
error("ERROR: Unable to proceed without a TSS record.\n");
plist_free(buildmanifest);
return -1;
}
if ((tss_enabled) && client->tss) {
/* fix empty dicts */
fixup_tss(client->tss);
}
// Extract filesystem from IPSW and return its name
char* filesystem = NULL;
if (ipsw_extract_filesystem(client->ipsw, build_identity, &filesystem) < 0) {
error("ERROR: Unable to extract filesystem from IPSW\n");
if (client->tss)
plist_free(client->tss);
plist_free(buildmanifest);
return -1;
}
// if the device is in normal mode, place device into recovery mode
if (client->mode->index == MODE_NORMAL) {
info("Entering recovery mode...\n");
if (normal_enter_recovery(client) < 0) {
error("ERROR: Unable to place device into recovery mode\n");
if (client->tss)
plist_free(client->tss);
plist_free(buildmanifest);
return -1;
}
}
// if the device is in DFU mode, place device into recovery mode
if (client->mode->index == MODE_DFU) {
recovery_client_free(client);
if (client->flags & FLAG_CUSTOM) {
info("connecting to DFU\n");
if (dfu_client_new(client) < 0) {
return -1;
}
info("exploiting with limera1n\n");
// TODO: check for non-limera1n device and fail
if (limera1n_exploit(client->device, client->dfu->client) != 0) {
error("ERROR: limera1n exploit failed\n");
dfu_client_free(client);
return -1;
}
dfu_client_free(client);
info("exploited\n");
}
if (dfu_enter_recovery(client, build_identity) < 0) {
error("ERROR: Unable to place device into recovery mode\n");
plist_free(buildmanifest);
if (client->tss)
plist_free(client->tss);
return -1;
}
}
if (client->mode->index == MODE_DFU) {
client->mode = &idevicerestore_modes[MODE_RECOVERY];
} else {
/* now we load the iBEC */
if (recovery_send_ibec(client, build_identity) < 0) {
error("ERROR: Unable to send iBEC\n");
return -1;
}
recovery_client_free(client);
/* this must be long enough to allow the device to run the iBEC */
/* FIXME: Probably better to detect if the device is back then */
sleep(7);
}
if (client->build[0] > '8') {
// we need another tss request with nonce.
unsigned char* nonce = NULL;
int nonce_size = 0;
int nonce_changed = 0;
if (get_nonce(client, &nonce, &nonce_size) < 0) {
error("ERROR: Unable to get nonce from device!\n");
recovery_send_reset(client);
return -1;
}
if (!client->nonce || (nonce_size != client->nonce_size) || (memcmp(nonce, client->nonce, nonce_size) != 0)) {
nonce_changed = 1;
if (client->nonce) {
free(client->nonce);
}
client->nonce = nonce;
client->nonce_size = nonce_size;
} else {
free(nonce);
}
info("Nonce: ");
int i;
for (i = 0; i < client->nonce_size; i++) {
info("%02x ", client->nonce[i]);
}
info("\n");
if (nonce_changed && !(client->flags & FLAG_CUSTOM)) {
// Welcome iOS5. We have to re-request the TSS with our nonce.
plist_free(client->tss);
if (get_shsh_blobs(client, client->ecid, client->nonce, client->nonce_size, build_identity, &client->tss) < 0) {
error("ERROR: Unable to get SHSH blobs for this device\n");
return -1;
}
if (!client->tss) {
error("ERROR: can't continue without TSS\n");
return -1;
}
fixup_tss(client->tss);
}
}
// now finally do the magic to put the device into restore mode
if (client->mode->index == MODE_RECOVERY) {
if (client->srnm == NULL) {
error("ERROR: could not retrieve device serial number. Can't continue.\n");
return -1;
}
if (recovery_enter_restore(client, build_identity) < 0) {
error("ERROR: Unable to place device into restore mode\n");
plist_free(buildmanifest);
if (client->tss)
plist_free(client->tss);
return -1;
}
}
// device is finally in restore mode, let's do this
if (client->mode->index == MODE_RESTORE) {
info("About to restore device... \n");
if (restore_device(client, build_identity, filesystem) < 0) {
error("ERROR: Unable to restore device\n");
return -1;
}
}
info("Cleaning up...\n");
if (filesystem)
unlink(filesystem);
info("DONE\n");
return 0;
}
int
mkdir(const char *path, mode_t mode)
{
_gfs_hook_debug_v(fputs("Hooking mkdir\n", stderr));
return (__mkdir(path, mode));
}
int idevicerestore_start(struct idevicerestore_client_t* client)
{
int tss_enabled = 0;
int result = 0;
if (!client) {
return -1;
}
if ((client->flags & FLAG_LATEST) && (client->flags & FLAG_CUSTOM)) {
error("ERROR: FLAG_LATEST cannot be used with FLAG_CUSTOM.\n");
return -1;
}
if (!client->ipsw && !(client->flags & FLAG_PWN) && !(client->flags & FLAG_LATEST)) {
error("ERROR: no ipsw file given\n");
return -1;
}
if (client->flags & FLAG_DEBUG) {
idevice_set_debug_level(1);
irecv_set_debug_level(1);
idevicerestore_debug = 1;
}
idevicerestore_progress(client, RESTORE_STEP_DETECT, 0.0);
// update version data (from cache, or apple if too old)
load_version_data(client);
// check which mode the device is currently in so we know where to start
if (check_mode(client) < 0 || client->mode->index == MODE_UNKNOWN) {
error("ERROR: Unable to discover device mode. Please make sure a device is attached.\n");
return -1;
}
idevicerestore_progress(client, RESTORE_STEP_DETECT, 0.1);
info("Found device in %s mode\n", client->mode->string);
if (client->mode->index == MODE_WTF) {
unsigned int cpid = 0;
if (dfu_client_new(client) != 0) {
error("ERROR: Could not open device in WTF mode\n");
return -1;
}
if ((dfu_get_cpid(client, &cpid) < 0) || (cpid == 0)) {
error("ERROR: Could not get CPID for WTF mode device\n");
dfu_client_free(client);
return -1;
}
char wtfname[256];
sprintf(wtfname, "Firmware/dfu/WTF.s5l%04xxall.RELEASE.dfu", cpid);
unsigned char* wtftmp = NULL;
unsigned int wtfsize = 0;
// Prefer to get WTF file from the restore IPSW
ipsw_extract_to_memory(client->ipsw, wtfname, &wtftmp, &wtfsize);
if (!wtftmp) {
// Download WTF IPSW
char* s_wtfurl = NULL;
plist_t wtfurl = plist_access_path(client->version_data, 7, "MobileDeviceSoftwareVersionsByVersion", "5", "RecoverySoftwareVersions", "WTF", "304218112", "5", "FirmwareURL");
if (wtfurl && (plist_get_node_type(wtfurl) == PLIST_STRING)) {
plist_get_string_val(wtfurl, &s_wtfurl);
}
if (!s_wtfurl) {
info("Using hardcoded x12220000_5_Recovery.ipsw URL\n");
s_wtfurl = strdup("http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPhone/061-6618.20090617.Xse7Y/x12220000_5_Recovery.ipsw");
}
// make a local file name
char* fnpart = strrchr(s_wtfurl, '/');
if (!fnpart) {
fnpart = "x12220000_5_Recovery.ipsw";
} else {
fnpart++;
}
struct stat fst;
char wtfipsw[1024];
if (client->cache_dir) {
if (stat(client->cache_dir, &fst) < 0) {
mkdir_with_parents(client->cache_dir, 0755);
}
strcpy(wtfipsw, client->cache_dir);
strcat(wtfipsw, "/");
strcat(wtfipsw, fnpart);
} else {
strcpy(wtfipsw, fnpart);
}
if (stat(wtfipsw, &fst) != 0) {
download_to_file(s_wtfurl, wtfipsw, 0);
}
ipsw_extract_to_memory(wtfipsw, wtfname, &wtftmp, &wtfsize);
if (!wtftmp) {
error("ERROR: Could not extract WTF\n");
}
}
if (wtftmp) {
if (dfu_send_buffer(client, wtftmp, wtfsize) != 0) {
error("ERROR: Could not send WTF...\n");
}
}
dfu_client_free(client);
sleep(1);
free(wtftmp);
client->mode = &idevicerestore_modes[MODE_DFU];
}
// discover the device type
if (check_product_type(client) == NULL || client->device == NULL) {
error("ERROR: Unable to discover device type\n");
return -1;
}
idevicerestore_progress(client, RESTORE_STEP_DETECT, 0.2);
info("Identified device as %s\n", client->device->product_type);
if ((client->flags & FLAG_PWN) && (client->mode->index != MODE_DFU)) {
error("ERROR: you need to put your device into DFU mode to pwn it.\n");
return -1;
}
if (client->flags & FLAG_PWN) {
recovery_client_free(client);
info("connecting to DFU\n");
if (dfu_client_new(client) < 0) {
return -1;
}
info("exploiting with limera1n...\n");
// TODO: check for non-limera1n device and fail
if (limera1n_exploit(client->device, &client->dfu->client) != 0) {
error("ERROR: limera1n exploit failed\n");
dfu_client_free(client);
return -1;
}
dfu_client_free(client);
info("Device should be in pwned DFU state now.\n");
return 0;
}
if (client->flags & FLAG_LATEST) {
char* ipsw = NULL;
int res = ipsw_download_latest_fw(client->version_data, client->device->product_type, "cache", &ipsw);
if (res != 0) {
if (ipsw) {
free(ipsw);
}
return res;
} else {
client->ipsw = ipsw;
}
}
idevicerestore_progress(client, RESTORE_STEP_DETECT, 0.6);
if (client->flags & FLAG_NOACTION) {
return 0;
}
if (client->mode->index == MODE_RESTORE) {
if (restore_reboot(client) < 0) {
error("ERROR: Unable to exit restore mode\n");
return -2;
}
// we need to refresh the current mode again
check_mode(client);
info("Found device in %s mode\n", client->mode->string);
}
// verify if ipsw file exists
if (access(client->ipsw, F_OK) < 0) {
error("ERROR: Firmware file %s does not exist.\n", client->ipsw);
return -1;
}
// extract buildmanifest
plist_t buildmanifest = NULL;
if (client->flags & FLAG_CUSTOM) {
info("Extracting Restore.plist from IPSW\n");
if (ipsw_extract_restore_plist(client->ipsw, &buildmanifest) < 0) {
error("ERROR: Unable to extract Restore.plist from %s. Firmware file might be corrupt.\n", client->ipsw);
return -1;
}
} else {
info("Extracting BuildManifest from IPSW\n");
if (ipsw_extract_build_manifest(client->ipsw, &buildmanifest, &tss_enabled) < 0) {
error("ERROR: Unable to extract BuildManifest from %s. Firmware file might be corrupt.\n", client->ipsw);
return -1;
}
}
idevicerestore_progress(client, RESTORE_STEP_DETECT, 0.8);
/* check if device type is supported by the given build manifest */
if (build_manifest_check_compatibility(buildmanifest, client->device->product_type) < 0) {
error("ERROR: Could not make sure this firmware is suitable for the current device. Refusing to continue.\n");
return -1;
}
/* print iOS information from the manifest */
build_manifest_get_version_information(buildmanifest, client);
info("Product Version: %s\n", client->version);
info("Product Build: %s Major: %d\n", client->build, client->build_major);
if (client->flags & FLAG_CUSTOM) {
/* prevent signing custom firmware */
tss_enabled = 0;
info("Custom firmware requested. Disabled TSS request.\n");
}
// choose whether this is an upgrade or a restore (default to upgrade)
client->tss = NULL;
plist_t build_identity = NULL;
if (client->flags & FLAG_CUSTOM) {
build_identity = plist_new_dict();
{
plist_t node;
plist_t comp;
plist_t inf;
plist_t manifest;
char tmpstr[256];
char p_all_flash[128];
char lcmodel[8];
strcpy(lcmodel, client->device->hardware_model);
int x = 0;
while (lcmodel[x]) {
lcmodel[x] = tolower(lcmodel[x]);
x++;
}
sprintf(p_all_flash, "Firmware/all_flash/all_flash.%s.%s", lcmodel, "production");
strcpy(tmpstr, p_all_flash);
strcat(tmpstr, "/manifest");
// get all_flash file manifest
char *files[16];
char *fmanifest = NULL;
uint32_t msize = 0;
if (ipsw_extract_to_memory(client->ipsw, tmpstr, (unsigned char**)&fmanifest, &msize) < 0) {
error("ERROR: could not extract %s from IPSW\n", tmpstr);
return -1;
}
char *tok = strtok(fmanifest, "\r\n");
int fc = 0;
while (tok) {
files[fc++] = strdup(tok);
if (fc >= 16) {
break;
}
tok = strtok(NULL, "\r\n");
}
free(fmanifest);
manifest = plist_new_dict();
for (x = 0; x < fc; x++) {
inf = plist_new_dict();
strcpy(tmpstr, p_all_flash);
strcat(tmpstr, "/");
strcat(tmpstr, files[x]);
plist_dict_insert_item(inf, "Path", plist_new_string(tmpstr));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", inf);
const char* compname = get_component_name(files[x]);
if (compname) {
plist_dict_insert_item(manifest, compname, comp);
if (!strncmp(files[x], "DeviceTree", 10)) {
plist_dict_insert_item(manifest, "RestoreDeviceTree", plist_copy(comp));
}
} else {
error("WARNING: unhandled component %s\n", files[x]);
plist_free(comp);
}
free(files[x]);
files[x] = NULL;
}
// add iBSS
sprintf(tmpstr, "Firmware/dfu/iBSS.%s.%s.dfu", lcmodel, "RELEASE");
inf = plist_new_dict();
plist_dict_insert_item(inf, "Path", plist_new_string(tmpstr));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", inf);
plist_dict_insert_item(manifest, "iBSS", comp);
// add iBEC
sprintf(tmpstr, "Firmware/dfu/iBEC.%s.%s.dfu", lcmodel, "RELEASE");
inf = plist_new_dict();
plist_dict_insert_item(inf, "Path", plist_new_string(tmpstr));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", inf);
plist_dict_insert_item(manifest, "iBEC", comp);
// add kernel cache
plist_t kdict = NULL;
node = plist_dict_get_item(buildmanifest, "KernelCachesByTarget");
if (node && (plist_get_node_type(node) == PLIST_DICT)) {
char tt[4];
strncpy(tt, lcmodel, 3);
tt[3] = 0;
kdict = plist_dict_get_item(node, tt);
} else {
// Populated in older iOS IPSWs
kdict = plist_dict_get_item(buildmanifest, "RestoreKernelCaches");
}
if (kdict && (plist_get_node_type(kdict) == PLIST_DICT)) {
plist_t kc = plist_dict_get_item(kdict, "Release");
if (kc && (plist_get_node_type(kc) == PLIST_STRING)) {
inf = plist_new_dict();
plist_dict_insert_item(inf, "Path", plist_copy(kc));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", inf);
plist_dict_insert_item(manifest, "KernelCache", comp);
plist_dict_insert_item(manifest, "RestoreKernelCache", plist_copy(comp));
}
}
// add ramdisk
node = plist_dict_get_item(buildmanifest, "RestoreRamDisks");
if (node && (plist_get_node_type(node) == PLIST_DICT)) {
plist_t rd = plist_dict_get_item(node, (client->flags & FLAG_ERASE) ? "User" : "Update");
// if no "Update" ram disk entry is found try "User" ram disk instead
if (!rd && !(client->flags & FLAG_ERASE)) {
rd = plist_dict_get_item(node, "User");
// also, set the ERASE flag since we actually change the restore variant
client->flags |= FLAG_ERASE;
}
if (rd && (plist_get_node_type(rd) == PLIST_STRING)) {
inf = plist_new_dict();
plist_dict_insert_item(inf, "Path", plist_copy(rd));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", inf);
plist_dict_insert_item(manifest, "RestoreRamDisk", comp);
}
}
// add OS filesystem
node = plist_dict_get_item(buildmanifest, "SystemRestoreImages");
if (!node) {
error("ERROR: missing SystemRestoreImages in Restore.plist\n");
}
plist_t os = plist_dict_get_item(node, "User");
if (!os) {
error("ERROR: missing filesystem in Restore.plist\n");
} else {
inf = plist_new_dict();
plist_dict_insert_item(inf, "Path", plist_copy(os));
comp = plist_new_dict();
plist_dict_insert_item(comp, "Info", inf);
plist_dict_insert_item(manifest, "OS", comp);
}
// add info
inf = plist_new_dict();
plist_dict_insert_item(inf, "RestoreBehavior", plist_new_string((client->flags & FLAG_ERASE) ? "Erase" : "Update"));
plist_dict_insert_item(inf, "Variant", plist_new_string((client->flags & FLAG_ERASE) ? "Customer Erase Install (IPSW)" : "Customer Upgrade Install (IPSW)"));
plist_dict_insert_item(build_identity, "Info", inf);
// finally add manifest
plist_dict_insert_item(build_identity, "Manifest", manifest);
}
} else if (client->flags & FLAG_ERASE) {
build_identity = build_manifest_get_build_identity(buildmanifest, 0);
if (build_identity == NULL) {
error("ERROR: Unable to find any build identities\n");
plist_free(buildmanifest);
return -1;
}
} else {
// loop through all build identities in the build manifest
// and list the valid ones
int i = 0;
int valid_builds = 0;
int build_count = build_manifest_get_identity_count(buildmanifest);
for (i = 0; i < build_count; i++) {
build_identity = build_manifest_get_build_identity(buildmanifest, i);
valid_builds++;
}
}
/* print information about current build identity */
build_identity_print_information(build_identity);
idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.0);
/* retrieve shsh blobs if required */
if (tss_enabled) {
debug("Getting device's ECID for TSS request\n");
/* fetch the device's ECID for the TSS request */
if (get_ecid(client, &client->ecid) < 0) {
error("ERROR: Unable to find device ECID\n");
return -1;
}
info("Found ECID " FMT_qu "\n", (long long unsigned int)client->ecid);
if (client->build_major > 8) {
unsigned char* nonce = NULL;
int nonce_size = 0;
int nonce_changed = 0;
if (get_nonce(client, &nonce, &nonce_size) < 0) {
/* the first nonce request with older firmware releases can fail and it's OK */
info("NOTE: Unable to get nonce from device\n");
}
if (!client->nonce || (nonce_size != client->nonce_size) || (memcmp(nonce, client->nonce, nonce_size) != 0)) {
nonce_changed = 1;
if (client->nonce) {
free(client->nonce);
}
client->nonce = nonce;
client->nonce_size = nonce_size;
} else {
free(nonce);
}
}
if (get_shsh_blobs(client, client->ecid, client->nonce, client->nonce_size, build_identity, &client->tss) < 0) {
error("ERROR: Unable to get SHSH blobs for this device\n");
return -1;
}
}
if (client->flags & FLAG_SHSHONLY) {
if (!tss_enabled) {
info("This device does not require a TSS record");
return 0;
}
if (!client->tss) {
error("ERROR: could not fetch TSS record");
plist_free(buildmanifest);
return -1;
} else {
char *bin = NULL;
uint32_t blen = 0;
plist_to_bin(client->tss, &bin, &blen);
if (bin) {
char zfn[1024];
if (client->cache_dir) {
strcpy(zfn, client->cache_dir);
strcat(zfn, "/shsh");
} else {
strcpy(zfn, "shsh");
}
mkdir_with_parents(zfn, 0755);
sprintf(zfn+strlen(zfn), "/" FMT_qu "-%s-%s.shsh", (long long int)client->ecid, client->device->product_type, client->version);
struct stat fst;
if (stat(zfn, &fst) != 0) {
gzFile zf = gzopen(zfn, "wb");
gzwrite(zf, bin, blen);
gzclose(zf);
info("SHSH saved to '%s'\n", zfn);
} else {
info("SHSH '%s' already present.\n", zfn);
}
free(bin);
} else {
error("ERROR: could not get TSS record data\n");
}
plist_free(client->tss);
plist_free(buildmanifest);
return 0;
}
}
/* verify if we have tss records if required */
if ((tss_enabled) && (client->tss == NULL)) {
error("ERROR: Unable to proceed without a TSS record.\n");
plist_free(buildmanifest);
return -1;
}
if ((tss_enabled) && client->tss) {
/* fix empty dicts */
fixup_tss(client->tss);
}
idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.1);
// if the device is in normal mode, place device into recovery mode
if (client->mode->index == MODE_NORMAL) {
info("Entering recovery mode...\n");
if (normal_enter_recovery(client) < 0) {
error("ERROR: Unable to place device into recovery mode from %s mode\n", client->mode->string);
if (client->tss)
plist_free(client->tss);
plist_free(buildmanifest);
return -5;
}
}
// Get filesystem name from build identity
char* fsname = NULL;
if (build_identity_get_component_path(build_identity, "OS", &fsname) < 0) {
error("ERROR: Unable get path for filesystem component\n");
return -1;
}
// check if we already have an extracted filesystem
int delete_fs = 0;
char* filesystem = NULL;
struct stat st;
memset(&st, '\0', sizeof(struct stat));
char tmpf[1024];
if (client->cache_dir) {
if (stat(client->cache_dir, &st) < 0) {
mkdir_with_parents(client->cache_dir, 0755);
}
strcpy(tmpf, client->cache_dir);
strcat(tmpf, "/");
char *ipswtmp = strdup(client->ipsw);
strcat(tmpf, basename(ipswtmp));
free(ipswtmp);
} else {
strcpy(tmpf, client->ipsw);
}
char* p = strrchr((const char*)tmpf, '.');
if (p) {
*p = '\0';
}
if (stat(tmpf, &st) < 0) {
__mkdir(tmpf, 0755);
}
strcat(tmpf, "/");
strcat(tmpf, fsname);
memset(&st, '\0', sizeof(struct stat));
if (stat(tmpf, &st) == 0) {
off_t fssize = 0;
ipsw_get_file_size(client->ipsw, fsname, &fssize);
if ((fssize > 0) && (st.st_size == fssize)) {
info("Using cached filesystem from '%s'\n", tmpf);
filesystem = strdup(tmpf);
}
}
if (!filesystem) {
char extfn[1024];
strcpy(extfn, tmpf);
strcat(extfn, ".extract");
char lockfn[1024];
strcpy(lockfn, tmpf);
strcat(lockfn, ".lock");
lock_info_t li;
lock_file(lockfn, &li);
FILE* extf = NULL;
if (access(extfn, F_OK) != 0) {
extf = fopen(extfn, "w");
}
unlock_file(&li);
if (!extf) {
// use temp filename
filesystem = tempnam(NULL, "ipsw_");
if (!filesystem) {
error("WARNING: Could not get temporary filename, using '%s' in current directory\n", fsname);
filesystem = strdup(fsname);
}
delete_fs = 1;
} else {
// use <fsname>.extract as filename
filesystem = strdup(extfn);
fclose(extf);
}
remove(lockfn);
// Extract filesystem from IPSW
info("Extracting filesystem from IPSW\n");
if (ipsw_extract_to_file(client->ipsw, fsname, filesystem) < 0) {
error("ERROR: Unable to extract filesystem from IPSW\n");
if (client->tss)
plist_free(client->tss);
plist_free(buildmanifest);
return -1;
}
if (strstr(filesystem, ".extract")) {
// rename <fsname>.extract to <fsname>
rename(filesystem, tmpf);
free(filesystem);
filesystem = strdup(tmpf);
}
}
idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.3);
// if the device is in DFU mode, place device into recovery mode
if (client->mode->index == MODE_DFU) {
recovery_client_free(client);
if ((client->flags & FLAG_CUSTOM) && limera1n_is_supported(client->device)) {
info("connecting to DFU\n");
if (dfu_client_new(client) < 0) {
if (delete_fs && filesystem)
unlink(filesystem);
return -1;
}
info("exploiting with limera1n\n");
// TODO: check for non-limera1n device and fail
if (limera1n_exploit(client->device, &client->dfu->client) != 0) {
error("ERROR: limera1n exploit failed\n");
dfu_client_free(client);
if (delete_fs && filesystem)
unlink(filesystem);
return -1;
}
dfu_client_free(client);
info("exploited\n");
}
if (dfu_enter_recovery(client, build_identity) < 0) {
error("ERROR: Unable to place device into recovery mode from %s mode\n", client->mode->string);
plist_free(buildmanifest);
if (client->tss)
plist_free(client->tss);
if (delete_fs && filesystem)
unlink(filesystem);
return -2;
}
}
if (client->mode->index == MODE_DFU) {
client->mode = &idevicerestore_modes[MODE_RECOVERY];
} else {
if ((client->build_major > 8) && !(client->flags & FLAG_CUSTOM)) {
/* send ApTicket */
if (recovery_send_ticket(client) < 0) {
error("WARNING: Unable to send APTicket\n");
}
}
/* now we load the iBEC */
if (recovery_send_ibec(client, build_identity) < 0) {
error("ERROR: Unable to send iBEC\n");
if (delete_fs && filesystem)
unlink(filesystem);
return -2;
}
recovery_client_free(client);
/* this must be long enough to allow the device to run the iBEC */
/* FIXME: Probably better to detect if the device is back then */
sleep(7);
}
idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.5);
if (client->build_major > 8) {
// we need another tss request with nonce.
unsigned char* nonce = NULL;
int nonce_size = 0;
int nonce_changed = 0;
if (get_nonce(client, &nonce, &nonce_size) < 0) {
error("ERROR: Unable to get nonce from device!\n");
recovery_send_reset(client);
if (delete_fs && filesystem)
unlink(filesystem);
return -2;
}
if (!client->nonce || (nonce_size != client->nonce_size) || (memcmp(nonce, client->nonce, nonce_size) != 0)) {
nonce_changed = 1;
if (client->nonce) {
free(client->nonce);
}
client->nonce = nonce;
client->nonce_size = nonce_size;
} else {
free(nonce);
}
if (nonce_changed && !(client->flags & FLAG_CUSTOM)) {
// Welcome iOS5. We have to re-request the TSS with our nonce.
plist_free(client->tss);
if (get_shsh_blobs(client, client->ecid, client->nonce, client->nonce_size, build_identity, &client->tss) < 0) {
error("ERROR: Unable to get SHSH blobs for this device\n");
if (delete_fs && filesystem)
unlink(filesystem);
return -1;
}
if (!client->tss) {
error("ERROR: can't continue without TSS\n");
if (delete_fs && filesystem)
unlink(filesystem);
return -1;
}
fixup_tss(client->tss);
}
}
idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.7);
// now finally do the magic to put the device into restore mode
if (client->mode->index == MODE_RECOVERY) {
if (client->srnm == NULL) {
error("ERROR: could not retrieve device serial number. Can't continue.\n");
if (delete_fs && filesystem)
unlink(filesystem);
return -1;
}
if (recovery_enter_restore(client, build_identity) < 0) {
error("ERROR: Unable to place device into restore mode\n");
plist_free(buildmanifest);
if (client->tss)
plist_free(client->tss);
if (delete_fs && filesystem)
unlink(filesystem);
return -2;
}
recovery_client_free(client);
}
idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.9);
// device is finally in restore mode, let's do this
if (client->mode->index == MODE_RESTORE) {
info("About to restore device... \n");
result = restore_device(client, build_identity, filesystem);
if (result < 0) {
error("ERROR: Unable to restore device\n");
if (delete_fs && filesystem)
unlink(filesystem);
return result;
}
}
info("Cleaning up...\n");
if (delete_fs && filesystem)
unlink(filesystem);
/* special handling of AppleTVs */
if (strncmp(client->device->product_type, "AppleTV", 7) == 0) {
if (recovery_client_new(client) == 0) {
if (recovery_set_autoboot(client, 1) == 0) {
recovery_send_reset(client);
} else {
error("Setting auto-boot failed?!\n");
}
} else {
error("Could not connect to device in recovery mode.\n");
}
}
info("DONE\n");
if (result == 0) {
idevicerestore_progress(client, RESTORE_NUM_STEPS-1, 1.0);
}
return result;
}
int
__gen_tempname (char *tmpl, int kind)
{
int len;
char *XXXXXX;
static uint64_t value;
uint64_t random_time_bits;
unsigned long count;
int fd = -1;
int save_errno = __libc_errno;
struct stat64 st;
unsigned long attempts_min = 62L * 62L * 62L;
unsigned long attempts = attempts_min < 238328 ? 238328 : attempts_min;
len = strlen (tmpl);
if (len < 6 || strcmp(&tmpl[len - 6], "XXXXXX"))
{
(__libc_errno = (22));
return -1;
}
XXXXXX = &tmpl[len - 6];
for (count = 0; count < attempts; value += 7777, ++count)
{
uint64_t v = value;
XXXXXX[0] = letters[v % 62];
v /= 62;
XXXXXX[1] = letters[v % 62];
v /= 62;
XXXXXX[2] = letters[v % 62];
v /= 62;
XXXXXX[3] = letters[v % 62];
v /= 62;
XXXXXX[4] = letters[v % 62];
v /= 62;
XXXXXX[5] = letters[v % 62];
switch (kind)
{
case 0:
fd = __open (tmpl, 02 | 01000 | 04000, 0400 | 0200);
break;
case 1:
fd = __open64 (tmpl, 02 | 01000 | 04000, 0400 | 0200);
break;
case 2:
fd = __mkdir (tmpl, 0400 | 0200 | 0100);
break;
case 3:
if (__lxstat64 (2, tmpl, &st) < 0)
{
if (__libc_errno == 2)
{
(__libc_errno = (save_errno));
return 0;
}
else
return -1;
}
continue;
}
if (fd >= 0)
{
(__libc_errno = (save_errno));
return fd;
}
else if (__libc_errno != 17)
return -1;
}
(__libc_errno = (17));
return -1;
}