int asr_receive(asr_client_t asr, plist_t* data) {
uint32_t size = 0;
char* buffer = NULL;
plist_t request = NULL;
idevice_error_t device_error = IDEVICE_E_SUCCESS;
*data = NULL;
buffer = (char*) malloc(ASR_BUFFER_SIZE);
if (buffer == NULL) {
error("ERROR: Unable to allocate memory for ASR receive buffer\n");
return -1;
}
memset(buffer, '\0', ASR_BUFFER_SIZE);
device_error = idevice_connection_receive(asr->connection, buffer, ASR_BUFFER_SIZE, &size);
if (device_error != IDEVICE_E_SUCCESS) {
error("ERROR: Unable to receive data from ASR\n");
free(buffer);
return -1;
}
plist_from_xml(buffer, size, &request);
*data = request;
debug("Received %d bytes:\n", size);
if (idevicerestore_debug)
debug_plist(request);
free(buffer);
return 0;
}
/**
* Receives a plist using the given property list service client.
* Internally used generic plist receive function.
*
* @param client The property list service client to use for receiving
* @param plist pointer to a plist_t that will point to the received plist
* upon successful return
* @param timeout Maximum time in milliseconds to wait for data.
*
* @return PROPERTY_LIST_SERVICE_E_SUCCESS on success,
* PROPERTY_LIST_SERVICE_E_INVALID_ARG when client or *plist is NULL,
* PROPERTY_LIST_SERVICE_E_PLIST_ERROR when the received data cannot be
* converted to a plist, PROPERTY_LIST_SERVICE_E_MUX_ERROR when a
* communication error occurs, or PROPERTY_LIST_SERVICE_E_UNKNOWN_ERROR
* when an unspecified error occurs.
*/
static property_list_service_error_t internal_plist_receive_timeout(property_list_service_client_t client, plist_t *plist, unsigned int timeout)
{
property_list_service_error_t res = PROPERTY_LIST_SERVICE_E_UNKNOWN_ERROR;
uint32_t pktlen = 0;
uint32_t bytes = 0;
if (!client || (client && !client->connection) || !plist) {
return PROPERTY_LIST_SERVICE_E_INVALID_ARG;
}
idevice_connection_receive_timeout(client->connection, (char*)&pktlen, sizeof(pktlen), &bytes, timeout);
debug_info("initial read=%i", bytes);
if (bytes < 4) {
debug_info("initial read failed!");
return PROPERTY_LIST_SERVICE_E_MUX_ERROR;
} else {
pktlen = be32toh(pktlen);
if (pktlen < (1 << 24)) { /* prevent huge buffers */
uint32_t curlen = 0;
char *content = NULL;
debug_info("%d bytes following", pktlen);
content = (char*)malloc(pktlen);
while (curlen < pktlen) {
idevice_connection_receive(client->connection, content+curlen, pktlen-curlen, &bytes);
if (bytes <= 0) {
res = PROPERTY_LIST_SERVICE_E_MUX_ERROR;
break;
}
debug_info("received %d bytes", bytes);
curlen += bytes;
}
if (!memcmp(content, "bplist00", 8)) {
plist_from_bin(content, pktlen, plist);
} else {
/* iOS 4.3+ hack: plist data might contain invalid characters, thus we convert those to spaces */
for (bytes = 0; bytes < pktlen-1; bytes++) {
if ((content[bytes] >= 0) && (content[bytes] < 0x20) && (content[bytes] != 0x09) && (content[bytes] != 0x0a) && (content[bytes] != 0x0d))
content[bytes] = 0x20;
}
plist_from_xml(content, pktlen, plist);
}
if (*plist) {
debug_plist(*plist);
res = PROPERTY_LIST_SERVICE_E_SUCCESS;
} else {
res = PROPERTY_LIST_SERVICE_E_PLIST_ERROR;
}
free(content);
content = NULL;
} else {
res = PROPERTY_LIST_SERVICE_E_UNKNOWN_ERROR;
}
}
return res;
}
SWIGEXPORT jshort JNICALL Java_org_robovm_libimobiledevice_binding_libimobiledeviceJNI_idevice_1connection_1receive(JNIEnv *jenv, jclass jcls, jlong jarg1, jstring jarg2, jint jarg3, jlong jarg4, jobject jarg4_) {
jshort jresult = 0 ;
idevice_connection_t arg1 = (idevice_connection_t) 0 ;
char *arg2 = (char *) 0 ;
uint32_t arg3 ;
uint32_t *arg4 = (uint32_t *) 0 ;
idevice_error_t result;
(void)jenv;
(void)jcls;
(void)jarg4_;
arg1 = *(idevice_connection_t *)&jarg1;
arg2 = 0;
if (jarg2) {
arg2 = (char *)(*jenv)->GetStringUTFChars(jenv, jarg2, 0);
if (!arg2) return 0;
}
arg3 = (uint32_t)jarg3;
arg4 = *(uint32_t **)&jarg4;
result = (idevice_error_t)idevice_connection_receive(arg1,arg2,arg3,arg4);
jresult = (jshort)result;
if (arg2) (*jenv)->ReleaseStringUTFChars(jenv, jarg2, (const char *)arg2);
return jresult;
}
int main(int argc, char **argv) {
idevice_t phone = NULL;
lockdownd_client_t client = NULL;
uint16_t port = 0;
char* crashLogFile;
if(argc != 2) {
print_usage(argc, argv);
return -1;
}
crashLogFile = argv[1];
if (idevice_new(&phone, NULL) != IDEVICE_E_SUCCESS) {
printf("No device found, is it plugged in?\n");
return -1;
}
if (lockdownd_client_new_with_handshake(phone, &client, "idevicecrashlog") != LOCKDOWN_E_SUCCESS) {
fprintf(stderr, "Could not connect to lockdownd. Exiting.\n");
return -1;
}
if ((lockdownd_start_service(client, "com.apple.mobile.file_relay", &port) !=
LOCKDOWN_E_SUCCESS) || !port) {
fprintf(stderr, "Could not start com.apple.mobile.file_relay!\n");
return -1;
}
const char *sources[] = {"CrashReporter", NULL};
idevice_connection_t dump = NULL;
file_relay_client_t frc = NULL;
if (file_relay_client_new(phone, port, &frc) != FILE_RELAY_E_SUCCESS) {
printf("could not connect to file_relay service!\n");
return -1;
}
if (file_relay_request_sources(frc, sources, &dump) != FILE_RELAY_E_SUCCESS) {
printf("could not get sources\n");
return -1;
}
if (!dump) {
printf("did not get connection!\n");
return -1;
}
uint32_t cnt = 0;
uint32_t len = 0;
char buf[4096];
char* dumpTmpFile = tmpnam(NULL);
FILE *f = fopen(dumpTmpFile, "w");
//receiving file
while (idevice_connection_receive(dump, buf, 4096, &len) == IDEVICE_E_SUCCESS) {
fwrite(buf, 1, len, f);
cnt += len;
len = 0;
}
fclose(f);
extract_file(dumpTmpFile, crashLogFile);
lockdownd_client_free(client);
}
/**
* Receives data through an AFC client and sets a variable to the received data.
*
* @param client The client to receive data on.
* @param dump_here The char* to point to the newly-received data.
* @param bytes_recv How much data was received.
*
* @return AFC_E_SUCCESS on success or an AFC_E_* error value.
*/
static afc_error_t afc_receive_data(afc_client_t client, char **dump_here, uint32_t *bytes_recv)
{
AFCPacket header;
uint32_t entire_len = 0;
uint32_t this_len = 0;
uint32_t current_count = 0;
uint64_t param1 = -1;
*bytes_recv = 0;
/* first, read the AFC header */
idevice_connection_receive(client->connection, (char*)&header, sizeof(AFCPacket), bytes_recv);
AFCPacket_from_LE(&header);
if (*bytes_recv == 0) {
debug_info("Just didn't get enough.");
*dump_here = NULL;
return AFC_E_MUX_ERROR;
} else if (*bytes_recv < sizeof(AFCPacket)) {
debug_info("Did not even get the AFCPacket header");
*dump_here = NULL;
return AFC_E_MUX_ERROR;
}
/* check if it's a valid AFC header */
if (strncmp(header.magic, AFC_MAGIC, AFC_MAGIC_LEN)) {
debug_info("Invalid AFC packet received (magic != " AFC_MAGIC ")!");
}
/* check if it has the correct packet number */
if (header.packet_num != client->afc_packet->packet_num) {
/* otherwise print a warning but do not abort */
debug_info("ERROR: Unexpected packet number (%lld != %lld) aborting.", header.packet_num, client->afc_packet->packet_num);
*dump_here = NULL;
return AFC_E_OP_HEADER_INVALID;
}
/* then, read the attached packet */
if (header.this_length < sizeof(AFCPacket)) {
debug_info("Invalid AFCPacket header received!");
*dump_here = NULL;
return AFC_E_OP_HEADER_INVALID;
} else if ((header.this_length == header.entire_length)
&& header.entire_length == sizeof(AFCPacket)) {
debug_info("Empty AFCPacket received!");
*dump_here = NULL;
*bytes_recv = 0;
if (header.operation == AFC_OP_DATA) {
return AFC_E_SUCCESS;
} else {
return AFC_E_IO_ERROR;
}
}
debug_info("received AFC packet, full len=%lld, this len=%lld, operation=0x%llx", header.entire_length, header.this_length, header.operation);
entire_len = (uint32_t)header.entire_length - sizeof(AFCPacket);
this_len = (uint32_t)header.this_length - sizeof(AFCPacket);
/* this is here as a check (perhaps a different upper limit is good?) */
if (entire_len > (uint32_t)MAXIMUM_PACKET_SIZE) {
fprintf(stderr, "%s: entire_len is larger than MAXIMUM_PACKET_SIZE, (%d > %d)!", __func__, entire_len, MAXIMUM_PACKET_SIZE);
}
*dump_here = (char*)malloc(entire_len);
if (this_len > 0) {
idevice_connection_receive(client->connection, *dump_here, this_len, bytes_recv);
if (*bytes_recv <= 0) {
free(*dump_here);
*dump_here = NULL;
debug_info("Did not get packet contents!");
return AFC_E_NOT_ENOUGH_DATA;
} else if (*bytes_recv < this_len) {
free(*dump_here);
*dump_here = NULL;
debug_info("Could not receive this_len=%d bytes", this_len);
return AFC_E_NOT_ENOUGH_DATA;
}
}
current_count = this_len;
if (entire_len > this_len) {
while (current_count < entire_len) {
idevice_connection_receive(client->connection, (*dump_here)+current_count, entire_len - current_count, bytes_recv);
if (*bytes_recv <= 0) {
debug_info("Error receiving data (recv returned %d)", *bytes_recv);
break;
}
current_count += *bytes_recv;
}
if (current_count < entire_len) {
debug_info("WARNING: could not receive full packet (read %s, size %d)", current_count, entire_len);
}
}
if (current_count >= sizeof(uint64_t)) {
param1 = le64toh(*(uint64_t*)(*dump_here));
}
debug_info("packet data size = %i", current_count);
debug_info("packet data follows");
debug_buffer(*dump_here, current_count);
/* check operation types */
if (header.operation == AFC_OP_STATUS) {
/* status response */
debug_info("got a status response, code=%lld", param1);
if (param1 != AFC_E_SUCCESS) {
/* error status */
/* free buffer */
free(*dump_here);
*dump_here = NULL;
return (afc_error_t)param1;
}
} else if (header.operation == AFC_OP_DATA) {
/* data response */
debug_info("got a data response");
} else if (header.operation == AFC_OP_FILE_OPEN_RES) {
/* file handle response */
debug_info("got a file handle response, handle=%lld", param1);
} else if (header.operation == AFC_OP_FILE_TELL_RES) {
/* tell response */
debug_info("got a tell response, position=%lld", param1);
} else {
/* unknown operation code received */
free(*dump_here);
*dump_here = NULL;
*bytes_recv = 0;
debug_info("WARNING: Unknown operation code received 0x%llx param1=%lld", header.operation, param1);
#ifndef WIN32
fprintf(stderr, "%s: WARNING: Unknown operation code received 0x%llx param1=%lld", __func__, (long long)header.operation, (long long)param1);
#endif
return AFC_E_OP_NOT_SUPPORTED;
}
*bytes_recv = current_count;
return AFC_E_SUCCESS;
}
