示例#1
0
/*
 * TODO
 * XXX Cleverly get the number of successors for desired_
 */
route_recchord::route_recchord (ptr<vnode> vi, chordID xi) : 
  route_iterator (vi, xi),
  desired_ (vi->succs ().size ()),
  routeid_ (get_nonce ())
{
  start_time_.tv_sec = 0;
}
struct randread_source *
randread_new (char const *name, size_t bytes_bound)
{
  if (bytes_bound == 0)
    return simple_new (NULL, NULL);
  else
    {
      FILE *source = NULL;
      struct randread_source *s;

      if (name)
        if (! (source = fopen_safer (name, "rb")))
          return NULL;

      s = simple_new (source, name);

      if (source)
        setvbuf (source, s->buf.c, _IOFBF, MIN (sizeof s->buf.c, bytes_bound));
      else
        {
          s->buf.isaac.buffered = 0;
          get_nonce (s->buf.isaac.state.m, sizeof s->buf.isaac.state.m,
                     bytes_bound);
          isaac_seed (&s->buf.isaac.state);
        }

      return s;
    }
}
示例#3
0
UsernameToken::UsernameToken(SOAPEnvelope& soap, const std::string& username, const std::string& password,const std::string& uid, PasswordType pwdtype) {
  header_=soap.Header();
  uid_ = uid;
  iteration_ = 0;
  
  //Get the username
  username_=username;
  if(username_.empty()) get_username(username_);

  //Get the password  
  password_=password;
  if(password_.empty()) get_password(password_,false);

  // Apply predefined namespace prefix
  NS ns;
  ns["wsse"]=WSSE_NAMESPACE;
  ns["wsse11"]=WSSE11_NAMESPACE;
  ns["wsu"]=WSU_NAMESPACE;
  header_.Namespaces(ns);

  //Check the arguments
  if(username_.empty() || password_.empty()) {
    std::cerr<<"Username and Password should not be empty"<<std::endl;
    header_=XMLNode();
    return;
  }

  // Insert the related elements
  XMLNode wsse = get_node(header_,"wsse:Security");
  XMLNode ut = get_node(wsse, "wsse:UsernameToken");
  if(!uid_.empty()) {
    ut.NewAttribute("wsu:Id") = uid_;
  }
  get_node(ut, "wsse:Username") = username_;
  XMLNode passwd_node = get_node(ut, "wsse:Password");

  if(pwdtype == PasswordText) {
    passwd_node.NewAttribute("Type") = passwdtype_ = PASSWORD_TEXT;
    passwd_node = password_;
  }
  else if(pwdtype == PasswordDigest) {
    passwd_node.NewAttribute("Type") = passwdtype_ = PASSWORD_DIGEST; 
    nonce_ = get_nonce();
    get_node(ut, "wsse:Nonce") = nonce_;
    created_ = Time().str(UTCTime);
    get_node(ut, "wsu:Created") = created_;

    //std::cout<<"nonce: "<<nonce_<<"createdtime: "<<created_<<"password: "******"Unsupported password type requested"<<std::endl;
    header_=XMLNode();
    return;
  }
}
示例#4
0
std::string api::get_auth()
{
	std::stringstream oss;
	std::string nonce = get_nonce();
	std::string msg = nonce + userid_ + key_;
	oss << "key=" << key_ << "&";
	oss << "nonce=" << nonce << "&";
	oss << "signature=" << hmac_hex(secret_, msg);
	return oss.str();
}
示例#5
0
route_recchord::route_recchord (ptr<vnode> vi, chordID xi,
				rpc_program uc_prog,
				int uc_procno,
				ptr<void> uc_args) : 
  route_iterator (vi, xi, uc_prog, uc_procno, uc_args),
  desired_ (vi->succs ().size ()),
  routeid_ (get_nonce ())
{
  start_time_.tv_sec = 0;
}
示例#6
0
static gchar *
get_videos_search_params (GVimeo *vimeo, const gchar *text, gint page) {
  gchar *encoded_text = encode_uri (text);
  gchar *timestamp = get_timestamp ();
  gchar *nonce = get_nonce ();
  gchar *params = g_strdup_printf (VIMEO_VIDEO_SEARCH,
				   VIMEO_VIDEO_SEARCH_METHOD,
				   vimeo->priv->api_key,
				   nonce,
				   timestamp,
				   page,
				   vimeo->priv->per_page,
				   encoded_text);
  g_free (timestamp);
  g_free (nonce);
  g_free (encoded_text);

  return params;
}
示例#7
0
int
_assuan_sock_bind (assuan_context_t ctx, assuan_fd_t sockfd,
		   struct sockaddr *addr, int addrlen)
{
#ifdef HAVE_W32_SYSTEM
  if (addr->sa_family == AF_LOCAL || addr->sa_family == AF_UNIX)
    {
      struct sockaddr_in myaddr;
      struct sockaddr_un *unaddr;
      HANDLE filehd;
      int len = sizeof myaddr;
      int rc;
      char nonce[16];
      char tmpbuf[33+16];
      DWORD nwritten;

      if (get_nonce (nonce, 16))
        return -1;

      unaddr = (struct sockaddr_un *)addr;

      myaddr.sin_port = 0;
      myaddr.sin_family = AF_INET;
      myaddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);

      filehd = MyCreateFile (unaddr->sun_path, 
                             GENERIC_WRITE,
                             FILE_SHARE_READ,
                             NULL,
                             CREATE_NEW,
                             FILE_ATTRIBUTE_NORMAL,
                             NULL);
      if (filehd == INVALID_HANDLE_VALUE)
        {
          if (GetLastError () == ERROR_FILE_EXISTS)
            gpg_err_set_errno (WSAEADDRINUSE);
          return -1;
        }

      rc = bind (HANDLE2SOCKET (sockfd), (struct sockaddr *)&myaddr, len);
      if (!rc)
        rc = getsockname (HANDLE2SOCKET (sockfd), 
                          (struct sockaddr *)&myaddr, &len);
      if (rc)
        {
          int save_e = errno;
          CloseHandle (filehd);
          MyDeleteFile (unaddr->sun_path);
          gpg_err_set_errno (save_e);
          return rc;
        }
      snprintf (tmpbuf, sizeof tmpbuf, "%d\n", ntohs (myaddr.sin_port));
      len = strlen (tmpbuf);
      memcpy (tmpbuf+len, nonce,16);
      len += 16;
      
      if (!WriteFile (filehd, tmpbuf, len, &nwritten, NULL))
        {
          CloseHandle (filehd);
          MyDeleteFile (unaddr->sun_path);
          gpg_err_set_errno (EIO);
          return -1;
        }
      CloseHandle (filehd);
      return 0;
    }
  else
    {
      int res = bind (HANDLE2SOCKET(sockfd), addr, addrlen);
      if (res < 0)
	gpg_err_set_errno ( _assuan_sock_wsa2errno (WSAGetLastError ()));
      return res;
    }
#else
  return bind (sockfd, addr, addrlen);
#endif
}
示例#8
0
int
_assuan_sock_bind (assuan_fd_t sockfd, struct sockaddr *addr, int addrlen)
{
#ifdef HAVE_W32_SYSTEM
  if (addr->sa_family == AF_LOCAL || addr->sa_family == AF_UNIX)
    {
      struct sockaddr_in myaddr;
      struct sockaddr_un *unaddr;
      int filefd;
      FILE *fp;
      int len = sizeof myaddr;
      int rc;
      char nonce[16];

      if (get_nonce (nonce, 16))
        return -1;

      unaddr = (struct sockaddr_un *)addr;

      myaddr.sin_port = 0;
      myaddr.sin_family = AF_INET;
      myaddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);

      filefd = open (unaddr->sun_path, 
                     (O_WRONLY|O_CREAT|O_EXCL|O_BINARY), 
                     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP));
      if (filefd == -1)
        {
          if (errno == EEXIST)
            errno = WSAEADDRINUSE;
          return -1;
        }
      fp = fdopen (filefd, "wb");
      if (!fp)
        { 
          int save_e = errno;
          close (filefd);
          errno = save_e;
          return -1;
        }

      rc = bind (HANDLE2SOCKET (sockfd), (struct sockaddr *)&myaddr, len);
      if (!rc)
        rc = getsockname (HANDLE2SOCKET (sockfd), 
                          (struct sockaddr *)&myaddr, &len);
      if (rc)
        {
          int save_e = errno;
          fclose (fp);
          remove (unaddr->sun_path);
          errno = save_e;
          return rc;
        }
      fprintf (fp, "%d\n", ntohs (myaddr.sin_port));
      fwrite (nonce, 16, 1, fp);
      fclose (fp);

      return 0;
    }
  else
    {
      int res = bind (HANDLE2SOCKET(sockfd), addr, addrlen);
      if (res < 0)
	errno = _assuan_sock_wsa2errno (WSAGetLastError ());
      return res;
    }
#else
  return bind (sockfd, addr, addrlen);
#endif
}
示例#9
0
文件: memfile.c 项目: nicolas314/mefs
/*
 * Save all files in rootdir to a container
 */
int memfile_savefiles(char * filename, char * password, memfile * root)
{
    FILE *  f ;
    int     i ;

    uint8_t nonce[NONCE_SZ];
    uint8_t key[KEY_SZ];
    uint8_t canari[CANARI_SZ];
    char    enc_name[MAXNAMESZ];
    uint64_t    u1, u2, u3 ;

    size_t  offset=0 ;

    /* Generate nonce */
    memcpy(nonce, get_nonce(), NONCE_SZ);
    /* Derive key from password */
    derive_key(password,
               strlen(password),
               nonce,
               NONCE_SZ,
               key,
               KEY_SZ,
               20000);
    /*
     * A container header is composed of:
     * A magic number of MAGIC_SZ bytes
     * A version number on 2 bytes: major.minor
     * A nonce of size NONCE_SZ bytes
     * A canari of size CANARI_SZ bytes
     */
    if ((f=fopen(filename, "w"))==NULL) {
        return 0 ;
    }
    /* Write magic number */
    fwrite(mefs_magic, 1, MAGIC_SZ, f);
    /* Write version */
    fwrite(mefs_version, 1, 2, f);
    /* Write nonce */
    fwrite(nonce, 1, NONCE_SZ, f);
    /* Generate and encrypt canari */
    for (i=0 ; i<CANARI_SZ ; i++) {
        canari[i] = 0xaa ;
    }
    stream_cipher(canari, CANARI_SZ, 0, key, nonce);
    fwrite(canari, 1, CANARI_SZ, f);
    offset += CANARI_SZ ;

    /* Write files one by one */
    /*
     * filename is a zero-padded string of size MAXNAMESZ
     * filesize on a 64 big-endian unsigned int
     * ctime    on a 64-big-endian unsigned int
     * mtime    on a 64-big-endian unsigned int
     */
    for (i=0 ; i<MAXFILES ; i++) {
        if (root[i].name==NULL) {
            continue ;
        }
        memset(enc_name, 0, MAXNAMESZ);
        strncpy(enc_name, root[i].name, MAXNAMESZ);
        stream_cipher(enc_name, MAXNAMESZ, offset, key, nonce);
        offset += MAXNAMESZ ;
        fwrite(enc_name, 1, MAXNAMESZ,  f);

        u1 = root[i].sta.st_size ;
        u2 = root[i].sta.st_ctime ;
        u3 = root[i].sta.st_mtime ;

        stream_cipher((uint8_t*)&u1, sizeof(uint64_t), offset, key, nonce);
        offset += sizeof(uint64_t);
        fwrite(&u1, sizeof(uint64_t), 1, f);

        stream_cipher((uint8_t*)&u2, sizeof(uint64_t), offset, key, nonce);
        offset += sizeof(uint64_t);
        fwrite(&u2, sizeof(uint64_t), 1, f);

        stream_cipher((uint8_t*)&u3, sizeof(uint64_t), offset, key, nonce);
        offset += sizeof(uint64_t);
        fwrite(&u3, sizeof(uint64_t), 1, f);

        stream_cipher(root[i].data,
                      root[i].sta.st_size, 
                      offset,
                      key,
                      nonce);
        offset += root[i].sta.st_size ;
        fwrite(root[i].data, 1, root[i].sta.st_size, f);
    }
    fclose(f);
    return 0 ;
}
示例#10
0
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;
}
示例#11
0
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;
}