*/
#include "qemu/osdep.h"
+#include "qapi/error.h"
#include <wchar.h>
#include <dirent.h>
#include <sys/statvfs.h>
-#ifdef __linux__
+#ifdef CONFIG_INOTIFY1
#include <sys/inotify.h>
#include "qemu/main-loop.h"
#endif
#include "qemu/iov.h"
#include "trace.h"
#include "hw/usb.h"
-#include "hw/usb/desc.h"
+#include "desc.h"
/* ----------------------------------------------------------------------- */
CMD_GET_OBJECT_HANDLES = 0x1007,
CMD_GET_OBJECT_INFO = 0x1008,
CMD_GET_OBJECT = 0x1009,
+ CMD_DELETE_OBJECT = 0x100b,
+ CMD_SEND_OBJECT_INFO = 0x100c,
+ CMD_SEND_OBJECT = 0x100d,
CMD_GET_PARTIAL_OBJECT = 0x101b,
+ CMD_GET_OBJECT_PROPS_SUPPORTED = 0x9801,
+ CMD_GET_OBJECT_PROP_DESC = 0x9802,
+ CMD_GET_OBJECT_PROP_VALUE = 0x9803,
/* response codes */
RES_OK = 0x2001,
RES_INCOMPLETE_TRANSFER = 0x2007,
RES_INVALID_STORAGE_ID = 0x2008,
RES_INVALID_OBJECT_HANDLE = 0x2009,
+ RES_INVALID_OBJECT_FORMAT_CODE = 0x200b,
+ RES_STORE_FULL = 0x200c,
+ RES_STORE_READ_ONLY = 0x200e,
+ RES_PARTIAL_DELETE = 0x2012,
+ RES_STORE_NOT_AVAILABLE = 0x2013,
RES_SPEC_BY_FORMAT_UNSUPPORTED = 0x2014,
+ RES_INVALID_OBJECTINFO = 0x2015,
+ RES_DESTINATION_UNSUPPORTED = 0x2020,
RES_INVALID_PARENT_OBJECT = 0x201a,
RES_INVALID_PARAMETER = 0x201d,
RES_SESSION_ALREADY_OPEN = 0x201e,
+ RES_INVALID_OBJECT_PROP_CODE = 0xA801,
/* format codes */
FMT_UNDEFINED_OBJECT = 0x3000,
EVT_OBJ_ADDED = 0x4002,
EVT_OBJ_REMOVED = 0x4003,
EVT_OBJ_INFO_CHANGED = 0x4007,
+
+ /* object properties */
+ PROP_STORAGE_ID = 0xDC01,
+ PROP_OBJECT_FORMAT = 0xDC02,
+ PROP_OBJECT_COMPRESSED_SIZE = 0xDC04,
+ PROP_PARENT_OBJECT = 0xDC0B,
+ PROP_PERSISTENT_UNIQUE_OBJECT_IDENTIFIER = 0xDC41,
+ PROP_NAME = 0xDC44,
+};
+
+enum mtp_data_type {
+ DATA_TYPE_UINT16 = 0x0004,
+ DATA_TYPE_UINT32 = 0x0006,
+ DATA_TYPE_UINT64 = 0x0008,
+ DATA_TYPE_UINT128 = 0x000a,
+ DATA_TYPE_STRING = 0xffff,
};
typedef struct {
EP_EVENT,
};
-#ifdef __linux__
+#ifdef CONFIG_INOTIFY1
typedef struct MTPMonEntry MTPMonEntry;
struct MTPMonEntry {
struct MTPData {
uint16_t code;
uint32_t trans;
- uint32_t offset;
- uint32_t length;
+ uint64_t offset;
+ uint64_t length;
uint32_t alloc;
uint8_t *data;
bool first;
char *name;
char *path;
struct stat stat;
-#ifdef __linux__
+#ifdef CONFIG_INOTIFY1
/* inotify watch cookie */
int watchfd;
#endif
MTPControl *result;
uint32_t session;
uint32_t next_handle;
+ bool readonly;
QTAILQ_HEAD(, MTPObject) objects;
-#ifdef __linux__
+#ifdef CONFIG_INOTIFY1
/* inotify descriptor */
int inotifyfd;
QTAILQ_HEAD(events, MTPMonEntry) events;
#endif
+ /* Responder is expecting a write operation */
+ bool write_pending;
+ struct {
+ uint32_t parent_handle;
+ uint16_t format;
+ uint32_t size;
+ char *filename;
+ } dataset;
};
+/*
+ * ObjectInfo dataset received from initiator
+ * Fields we don't care about are ignored
+ */
+typedef struct {
+ uint32_t storage_id; /*unused*/
+ uint16_t format;
+ uint16_t protection_status; /*unused*/
+ uint32_t size;
+ uint16_t thumb_format; /*unused*/
+ uint32_t thumb_comp_sz; /*unused*/
+ uint32_t thumb_pix_width; /*unused*/
+ uint32_t thumb_pix_height; /*unused*/
+ uint32_t image_pix_width; /*unused*/
+ uint32_t image_pix_height; /*unused*/
+ uint32_t image_bit_depth; /*unused*/
+ uint32_t parent; /*unused*/
+ uint16_t assoc_type;
+ uint32_t assoc_desc;
+ uint32_t seq_no; /*unused*/
+ uint8_t length; /*part of filename field*/
+ uint16_t filename[0];
+ char date_created[0]; /*unused*/
+ char date_modified[0]; /*unused*/
+ char keywords[0]; /*unused*/
+ /* string and other data follows */
+} QEMU_PACKED ObjectInfo;
+
#define TYPE_USB_MTP "usb-mtp"
#define USB_MTP(obj) OBJECT_CHECK(MTPState, (obj), TYPE_USB_MTP)
return child;
}
-#ifdef __linux__
static MTPObject *usb_mtp_object_lookup_name(MTPObject *parent,
char *name, int len)
{
return NULL;
}
+#ifdef CONFIG_INOTIFY1
static MTPObject *usb_mtp_object_lookup_wd(MTPState *s, int wd)
{
MTPObject *iter;
break;
case IN_IGNORED:
- o = usb_mtp_object_lookup_name(parent, event->name, event->len);
- trace_usb_mtp_inotify_event(s->dev.addr, o->path,
- event->mask, "Obj ignored");
+ trace_usb_mtp_inotify_event(s->dev.addr, parent->path,
+ event->mask, "Obj parent dir ignored");
break;
default:
if (!dir) {
return;
}
-#ifdef __linux__
+#ifdef CONFIG_INOTIFY1
int watchfd = usb_mtp_add_watch(s->inotifyfd, o->path);
if (watchfd == -1) {
fprintf(stderr, "usb-mtp: failed to add watch for %s\n", o->path);
/* ----------------------------------------------------------------------- */
static void usb_mtp_queue_result(MTPState *s, uint16_t code, uint32_t trans,
- int argc, uint32_t arg0, uint32_t arg1)
+ int argc, uint32_t arg0, uint32_t arg1,
+ uint32_t arg2)
{
MTPControl *c = g_new0(MTPControl, 1);
if (argc > 1) {
c->argv[1] = arg1;
}
+ if (argc > 2) {
+ c->argv[2] = arg2;
+ }
assert(s->result == NULL);
s->result = c;
CMD_GET_NUM_OBJECTS,
CMD_GET_OBJECT_HANDLES,
CMD_GET_OBJECT_INFO,
+ CMD_DELETE_OBJECT,
+ CMD_SEND_OBJECT_INFO,
+ CMD_SEND_OBJECT,
CMD_GET_OBJECT,
CMD_GET_PARTIAL_OBJECT,
+ CMD_GET_OBJECT_PROPS_SUPPORTED,
+ CMD_GET_OBJECT_PROP_DESC,
+ CMD_GET_OBJECT_PROP_VALUE,
};
static const uint16_t fmt[] = {
FMT_UNDEFINED_OBJECT,
trace_usb_mtp_op_get_device_info(s->dev.addr);
usb_mtp_add_u16(d, 100);
- usb_mtp_add_u32(d, 0xffffffff);
- usb_mtp_add_u16(d, 0x0101);
+ usb_mtp_add_u32(d, 0x00000006);
+ usb_mtp_add_u16(d, 0x0064);
usb_mtp_add_wstr(d, L"");
usb_mtp_add_u16(d, 0x0000);
usb_mtp_add_u32(d, QEMU_STORAGE_ID);
usb_mtp_add_u16(d, o->format);
usb_mtp_add_u16(d, 0);
- usb_mtp_add_u32(d, o->stat.st_size);
+
+ if (o->stat.st_size > 0xFFFFFFFF) {
+ usb_mtp_add_u32(d, 0xFFFFFFFF);
+ } else {
+ usb_mtp_add_u32(d, o->stat.st_size);
+ }
usb_mtp_add_u16(d, 0);
usb_mtp_add_u32(d, 0);
static MTPData *usb_mtp_get_partial_object(MTPState *s, MTPControl *c,
MTPObject *o)
{
- MTPData *d = usb_mtp_data_alloc(c);
+ MTPData *d;
off_t offset;
+ if (c->argc <= 2) {
+ return NULL;
+ }
trace_usb_mtp_op_get_partial_object(s->dev.addr, o->handle, o->path,
c->argv[1], c->argv[2]);
+ d = usb_mtp_data_alloc(c);
d->fd = open(o->path, O_RDONLY);
if (d->fd == -1) {
usb_mtp_data_free(d);
return d;
}
+static MTPData *usb_mtp_get_object_props_supported(MTPState *s, MTPControl *c)
+{
+ static const uint16_t props[] = {
+ PROP_STORAGE_ID,
+ PROP_OBJECT_FORMAT,
+ PROP_OBJECT_COMPRESSED_SIZE,
+ PROP_PARENT_OBJECT,
+ PROP_PERSISTENT_UNIQUE_OBJECT_IDENTIFIER,
+ PROP_NAME,
+ };
+ MTPData *d = usb_mtp_data_alloc(c);
+ usb_mtp_add_u16_array(d, ARRAY_SIZE(props), props);
+
+ return d;
+}
+
+static MTPData *usb_mtp_get_object_prop_desc(MTPState *s, MTPControl *c)
+{
+ MTPData *d = usb_mtp_data_alloc(c);
+ switch (c->argv[0]) {
+ case PROP_STORAGE_ID:
+ usb_mtp_add_u16(d, PROP_STORAGE_ID);
+ usb_mtp_add_u16(d, DATA_TYPE_UINT32);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ case PROP_OBJECT_FORMAT:
+ usb_mtp_add_u16(d, PROP_OBJECT_FORMAT);
+ usb_mtp_add_u16(d, DATA_TYPE_UINT16);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u16(d, 0x0000);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ case PROP_OBJECT_COMPRESSED_SIZE:
+ usb_mtp_add_u16(d, PROP_OBJECT_COMPRESSED_SIZE);
+ usb_mtp_add_u16(d, DATA_TYPE_UINT64);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u64(d, 0x0000000000000000);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ case PROP_PARENT_OBJECT:
+ usb_mtp_add_u16(d, PROP_PARENT_OBJECT);
+ usb_mtp_add_u16(d, DATA_TYPE_UINT32);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ case PROP_PERSISTENT_UNIQUE_OBJECT_IDENTIFIER:
+ usb_mtp_add_u16(d, PROP_PERSISTENT_UNIQUE_OBJECT_IDENTIFIER);
+ usb_mtp_add_u16(d, DATA_TYPE_UINT128);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u64(d, 0x0000000000000000);
+ usb_mtp_add_u64(d, 0x0000000000000000);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ case PROP_NAME:
+ usb_mtp_add_u16(d, PROP_NAME);
+ usb_mtp_add_u16(d, DATA_TYPE_STRING);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ default:
+ usb_mtp_data_free(d);
+ return NULL;
+ }
+
+ return d;
+}
+
+static MTPData *usb_mtp_get_object_prop_value(MTPState *s, MTPControl *c,
+ MTPObject *o)
+{
+ MTPData *d = usb_mtp_data_alloc(c);
+ switch (c->argv[1]) {
+ case PROP_STORAGE_ID:
+ usb_mtp_add_u32(d, QEMU_STORAGE_ID);
+ break;
+ case PROP_OBJECT_FORMAT:
+ usb_mtp_add_u16(d, o->format);
+ break;
+ case PROP_OBJECT_COMPRESSED_SIZE:
+ usb_mtp_add_u64(d, o->stat.st_size);
+ break;
+ case PROP_PARENT_OBJECT:
+ if (o->parent == NULL) {
+ usb_mtp_add_u32(d, 0x00000000);
+ } else {
+ usb_mtp_add_u32(d, o->parent->handle);
+ }
+ break;
+ case PROP_PERSISTENT_UNIQUE_OBJECT_IDENTIFIER:
+ /* Should be persistent between sessions,
+ * but using our objedt ID is "good enough"
+ * for now */
+ usb_mtp_add_u64(d, 0x0000000000000000);
+ usb_mtp_add_u64(d, o->handle);
+ break;
+ case PROP_NAME:
+ usb_mtp_add_str(d, o->name);
+ break;
+ default:
+ usb_mtp_data_free(d);
+ return NULL;
+ }
+
+ return d;
+}
+
+/* Return correct return code for a delete event */
+enum {
+ ALL_DELETE,
+ PARTIAL_DELETE,
+ READ_ONLY,
+};
+
+/* Assumes that children, if any, have been already freed */
+static void usb_mtp_object_free_one(MTPState *s, MTPObject *o)
+{
+#ifndef CONFIG_INOTIFY1
+ assert(o->nchildren == 0);
+ QTAILQ_REMOVE(&s->objects, o, next);
+ g_free(o->name);
+ g_free(o->path);
+ g_free(o);
+#endif
+}
+
+static int usb_mtp_deletefn(MTPState *s, MTPObject *o, uint32_t trans)
+{
+ MTPObject *iter, *iter2;
+ bool partial_delete = false;
+ bool success = false;
+
+ /*
+ * TODO: Add support for Protection Status
+ */
+
+ QLIST_FOREACH(iter, &o->children, list) {
+ if (iter->format == FMT_ASSOCIATION) {
+ QLIST_FOREACH(iter2, &iter->children, list) {
+ usb_mtp_deletefn(s, iter2, trans);
+ }
+ }
+ }
+
+ if (o->format == FMT_UNDEFINED_OBJECT) {
+ if (remove(o->path)) {
+ partial_delete = true;
+ } else {
+ usb_mtp_object_free_one(s, o);
+ success = true;
+ }
+ }
+
+ if (o->format == FMT_ASSOCIATION) {
+ if (rmdir(o->path)) {
+ partial_delete = true;
+ } else {
+ usb_mtp_object_free_one(s, o);
+ success = true;
+ }
+ }
+
+ if (success && partial_delete) {
+ return PARTIAL_DELETE;
+ }
+ if (!success && partial_delete) {
+ return READ_ONLY;
+ }
+ return ALL_DELETE;
+}
+
+static void usb_mtp_object_delete(MTPState *s, uint32_t handle,
+ uint32_t format_code, uint32_t trans)
+{
+ MTPObject *o;
+ int ret;
+
+ /* Return error if store is read-only */
+ if (!FLAG_SET(s, MTP_FLAG_WRITABLE)) {
+ usb_mtp_queue_result(s, RES_STORE_READ_ONLY,
+ trans, 0, 0, 0, 0);
+ return;
+ }
+
+ if (format_code != 0) {
+ usb_mtp_queue_result(s, RES_SPEC_BY_FORMAT_UNSUPPORTED,
+ trans, 0, 0, 0, 0);
+ return;
+ }
+
+ if (handle == 0xFFFFFFF) {
+ o = QTAILQ_FIRST(&s->objects);
+ } else {
+ o = usb_mtp_object_lookup(s, handle);
+ }
+ if (o == NULL) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_HANDLE,
+ trans, 0, 0, 0, 0);
+ return;
+ }
+
+ ret = usb_mtp_deletefn(s, o, trans);
+ if (ret == PARTIAL_DELETE) {
+ usb_mtp_queue_result(s, RES_PARTIAL_DELETE,
+ trans, 0, 0, 0, 0);
+ return;
+ } else if (ret == READ_ONLY) {
+ usb_mtp_queue_result(s, RES_STORE_READ_ONLY, trans,
+ 0, 0, 0, 0);
+ return;
+ } else {
+ usb_mtp_queue_result(s, RES_OK, trans,
+ 0, 0, 0, 0);
+ return;
+ }
+}
+
static void usb_mtp_command(MTPState *s, MTPControl *c)
{
MTPData *data_in = NULL;
- MTPObject *o;
+ MTPObject *o = NULL;
uint32_t nres = 0, res0 = 0;
/* sanity checks */
if (c->code >= CMD_CLOSE_SESSION && s->session == 0) {
usb_mtp_queue_result(s, RES_SESSION_NOT_OPEN,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
case CMD_OPEN_SESSION:
if (s->session) {
usb_mtp_queue_result(s, RES_SESSION_ALREADY_OPEN,
- c->trans, 1, s->session, 0);
+ c->trans, 1, s->session, 0, 0);
return;
}
if (c->argv[0] == 0) {
usb_mtp_queue_result(s, RES_INVALID_PARAMETER,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
trace_usb_mtp_op_open_session(s->dev.addr);
s->session = c->argv[0];
usb_mtp_object_alloc(s, s->next_handle++, NULL, s->root);
-#ifdef __linux__
+#ifdef CONFIG_INOTIFY1
if (usb_mtp_inotify_init(s)) {
fprintf(stderr, "usb-mtp: file monitoring init failed\n");
}
trace_usb_mtp_op_close_session(s->dev.addr);
s->session = 0;
s->next_handle = 0;
-#ifdef __linux__
+#ifdef CONFIG_INOTIFY1
usb_mtp_inotify_cleanup(s);
#endif
usb_mtp_object_free(s, QTAILQ_FIRST(&s->objects));
if (c->argv[0] != QEMU_STORAGE_ID &&
c->argv[0] != 0xffffffff) {
usb_mtp_queue_result(s, RES_INVALID_STORAGE_ID,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
data_in = usb_mtp_get_storage_info(s, c);
if (c->argv[0] != QEMU_STORAGE_ID &&
c->argv[0] != 0xffffffff) {
usb_mtp_queue_result(s, RES_INVALID_STORAGE_ID,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
if (c->argv[1] != 0x00000000) {
usb_mtp_queue_result(s, RES_SPEC_BY_FORMAT_UNSUPPORTED,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
if (c->argv[2] == 0x00000000 ||
}
if (o == NULL) {
usb_mtp_queue_result(s, RES_INVALID_OBJECT_HANDLE,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
if (o->format != FMT_ASSOCIATION) {
usb_mtp_queue_result(s, RES_INVALID_PARENT_OBJECT,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
usb_mtp_object_readdir(s, o);
o = usb_mtp_object_lookup(s, c->argv[0]);
if (o == NULL) {
usb_mtp_queue_result(s, RES_INVALID_OBJECT_HANDLE,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
data_in = usb_mtp_get_object_info(s, c, o);
o = usb_mtp_object_lookup(s, c->argv[0]);
if (o == NULL) {
usb_mtp_queue_result(s, RES_INVALID_OBJECT_HANDLE,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
if (o->format == FMT_ASSOCIATION) {
usb_mtp_queue_result(s, RES_INVALID_OBJECT_HANDLE,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
data_in = usb_mtp_get_object(s, c, o);
if (data_in == NULL) {
usb_mtp_queue_result(s, RES_GENERAL_ERROR,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
break;
+ case CMD_DELETE_OBJECT:
+ usb_mtp_object_delete(s, c->argv[0], c->argv[1], c->trans);
+ return;
case CMD_GET_PARTIAL_OBJECT:
o = usb_mtp_object_lookup(s, c->argv[0]);
if (o == NULL) {
usb_mtp_queue_result(s, RES_INVALID_OBJECT_HANDLE,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
if (o->format == FMT_ASSOCIATION) {
usb_mtp_queue_result(s, RES_INVALID_OBJECT_HANDLE,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
data_in = usb_mtp_get_partial_object(s, c, o);
if (data_in == NULL) {
usb_mtp_queue_result(s, RES_GENERAL_ERROR,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
nres = 1;
res0 = data_in->length;
break;
+ case CMD_SEND_OBJECT_INFO:
+ /* Return error if store is read-only */
+ if (!FLAG_SET(s, MTP_FLAG_WRITABLE)) {
+ usb_mtp_queue_result(s, RES_STORE_READ_ONLY,
+ c->trans, 0, 0, 0, 0);
+ } else if (c->argv[0] && (c->argv[0] != QEMU_STORAGE_ID)) {
+ /* First parameter points to storage id or is 0 */
+ usb_mtp_queue_result(s, RES_STORE_NOT_AVAILABLE, c->trans,
+ 0, 0, 0, 0);
+ } else if (c->argv[1] && !c->argv[0]) {
+ /* If second parameter is specified, first must also be specified */
+ usb_mtp_queue_result(s, RES_DESTINATION_UNSUPPORTED, c->trans,
+ 0, 0, 0, 0);
+ } else {
+ uint32_t handle = c->argv[1];
+ if (handle == 0xFFFFFFFF || handle == 0) {
+ /* root object */
+ o = QTAILQ_FIRST(&s->objects);
+ } else {
+ o = usb_mtp_object_lookup(s, handle);
+ }
+ if (o == NULL) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_HANDLE, c->trans,
+ 0, 0, 0, 0);
+ } else if (o->format != FMT_ASSOCIATION) {
+ usb_mtp_queue_result(s, RES_INVALID_PARENT_OBJECT, c->trans,
+ 0, 0, 0, 0);
+ }
+ }
+ if (o) {
+ s->dataset.parent_handle = o->handle;
+ }
+ s->data_out = usb_mtp_data_alloc(c);
+ return;
+ case CMD_SEND_OBJECT:
+ if (!FLAG_SET(s, MTP_FLAG_WRITABLE)) {
+ usb_mtp_queue_result(s, RES_STORE_READ_ONLY,
+ c->trans, 0, 0, 0, 0);
+ return;
+ }
+ if (!s->write_pending) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECTINFO,
+ c->trans, 0, 0, 0, 0);
+ return;
+ }
+ s->data_out = usb_mtp_data_alloc(c);
+ return;
+ case CMD_GET_OBJECT_PROPS_SUPPORTED:
+ if (c->argv[0] != FMT_UNDEFINED_OBJECT &&
+ c->argv[0] != FMT_ASSOCIATION) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_FORMAT_CODE,
+ c->trans, 0, 0, 0, 0);
+ return;
+ }
+ data_in = usb_mtp_get_object_props_supported(s, c);
+ break;
+ case CMD_GET_OBJECT_PROP_DESC:
+ if (c->argv[1] != FMT_UNDEFINED_OBJECT &&
+ c->argv[1] != FMT_ASSOCIATION) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_FORMAT_CODE,
+ c->trans, 0, 0, 0, 0);
+ return;
+ }
+ data_in = usb_mtp_get_object_prop_desc(s, c);
+ if (data_in == NULL) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_PROP_CODE,
+ c->trans, 0, 0, 0, 0);
+ return;
+ }
+ break;
+ case CMD_GET_OBJECT_PROP_VALUE:
+ o = usb_mtp_object_lookup(s, c->argv[0]);
+ if (o == NULL) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_HANDLE,
+ c->trans, 0, 0, 0, 0);
+ return;
+ }
+ data_in = usb_mtp_get_object_prop_value(s, c, o);
+ if (data_in == NULL) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_PROP_CODE,
+ c->trans, 0, 0, 0, 0);
+ return;
+ }
+ break;
default:
trace_usb_mtp_op_unknown(s->dev.addr, c->code);
usb_mtp_queue_result(s, RES_OPERATION_NOT_SUPPORTED,
- c->trans, 0, 0, 0);
+ c->trans, 0, 0, 0, 0);
return;
}
assert(s->data_in == NULL);
s->data_in = data_in;
}
- usb_mtp_queue_result(s, RES_OK, c->trans, nres, res0, 0);
+ usb_mtp_queue_result(s, RES_OK, c->trans, nres, res0, 0, 0);
}
/* ----------------------------------------------------------------------- */
trace_usb_mtp_reset(s->dev.addr);
-#ifdef __linux__
+#ifdef CONFIG_INOTIFY1
usb_mtp_inotify_cleanup(s);
#endif
usb_mtp_object_free(s, QTAILQ_FIRST(&s->objects));
fprintf(stderr, "%s\n", __func__);
}
+static void utf16_to_str(uint8_t len, uint16_t *arr, char *name)
+{
+ int count;
+ wchar_t *wstr = g_new0(wchar_t, len);
+
+ for (count = 0; count < len; count++) {
+ wstr[count] = (wchar_t)arr[count];
+ }
+
+ wcstombs(name, wstr, len);
+ g_free(wstr);
+}
+
+static void usb_mtp_write_data(MTPState *s)
+{
+ MTPData *d = s->data_out;
+ MTPObject *parent =
+ usb_mtp_object_lookup(s, s->dataset.parent_handle);
+ char *path = NULL;
+ int rc = -1;
+ mode_t mask = 0644;
+
+ assert(d != NULL);
+
+ if (parent == NULL || !s->write_pending) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECTINFO, d->trans,
+ 0, 0, 0, 0);
+ return;
+ }
+
+ if (s->dataset.filename) {
+ path = g_strdup_printf("%s/%s", parent->path, s->dataset.filename);
+ if (s->dataset.format == FMT_ASSOCIATION) {
+ d->fd = mkdir(path, mask);
+ goto free;
+ }
+ if (s->dataset.size < d->length) {
+ usb_mtp_queue_result(s, RES_STORE_FULL, d->trans,
+ 0, 0, 0, 0);
+ goto done;
+ }
+ d->fd = open(path, O_CREAT | O_WRONLY, mask);
+ if (d->fd == -1) {
+ usb_mtp_queue_result(s, RES_STORE_FULL, d->trans,
+ 0, 0, 0, 0);
+ goto done;
+ }
+
+ /*
+ * Return success if initiator sent 0 sized data
+ */
+ if (!s->dataset.size) {
+ goto success;
+ }
+
+ rc = write(d->fd, d->data, s->dataset.size);
+ if (rc == -1) {
+ usb_mtp_queue_result(s, RES_STORE_FULL, d->trans,
+ 0, 0, 0, 0);
+ goto done;
+ }
+ if (rc != s->dataset.size) {
+ usb_mtp_queue_result(s, RES_INCOMPLETE_TRANSFER, d->trans,
+ 0, 0, 0, 0);
+ goto done;
+ }
+ }
+
+success:
+ usb_mtp_queue_result(s, RES_OK, d->trans,
+ 0, 0, 0, 0);
+
+done:
+ /*
+ * The write dataset is kept around and freed only
+ * on success or if another write request comes in
+ */
+ if (d->fd != -1) {
+ close(d->fd);
+ }
+free:
+ g_free(s->dataset.filename);
+ g_free(path);
+ s->write_pending = false;
+}
+
+static void usb_mtp_write_metadata(MTPState *s)
+{
+ MTPData *d = s->data_out;
+ ObjectInfo *dataset = (ObjectInfo *)d->data;
+ char *filename = g_new0(char, dataset->length);
+ MTPObject *o;
+ MTPObject *p = usb_mtp_object_lookup(s, s->dataset.parent_handle);
+ uint32_t next_handle = s->next_handle;
+
+ assert(!s->write_pending);
+ assert(p != NULL);
+
+ utf16_to_str(dataset->length, dataset->filename, filename);
+
+ o = usb_mtp_object_lookup_name(p, filename, dataset->length);
+ if (o != NULL) {
+ next_handle = o->handle;
+ }
+
+ s->dataset.filename = filename;
+ s->dataset.format = dataset->format;
+ s->dataset.size = dataset->size;
+ s->dataset.filename = filename;
+ s->write_pending = true;
+
+ if (s->dataset.format == FMT_ASSOCIATION) {
+ usb_mtp_write_data(s);
+ /* next_handle will be allocated to the newly created dir */
+ if (d->fd == -1) {
+ usb_mtp_queue_result(s, RES_STORE_FULL, d->trans,
+ 0, 0, 0, 0);
+ return;
+ }
+ d->fd = -1;
+ }
+
+ usb_mtp_queue_result(s, RES_OK, d->trans, 3, QEMU_STORAGE_ID,
+ s->dataset.parent_handle, next_handle);
+}
+
+static void usb_mtp_get_data(MTPState *s, mtp_container *container,
+ USBPacket *p)
+{
+ MTPData *d = s->data_out;
+ uint64_t dlen;
+ uint32_t data_len = p->iov.size;
+
+ if (d->first) {
+ /* Total length of incoming data */
+ d->length = cpu_to_le32(container->length) - sizeof(mtp_container);
+ /* Length of data in this packet */
+ data_len -= sizeof(mtp_container);
+ usb_mtp_realloc(d, d->length);
+ d->offset = 0;
+ d->first = false;
+ }
+
+ if (d->length - d->offset > data_len) {
+ dlen = data_len;
+ } else {
+ dlen = d->length - d->offset;
+ }
+
+ switch (d->code) {
+ case CMD_SEND_OBJECT_INFO:
+ usb_packet_copy(p, d->data + d->offset, dlen);
+ d->offset += dlen;
+ if (d->offset == d->length) {
+ /* The operation might have already failed */
+ if (!s->result) {
+ usb_mtp_write_metadata(s);
+ }
+ usb_mtp_data_free(s->data_out);
+ s->data_out = NULL;
+ return;
+ }
+ break;
+ case CMD_SEND_OBJECT:
+ usb_packet_copy(p, d->data + d->offset, dlen);
+ d->offset += dlen;
+ if (d->offset == d->length) {
+ usb_mtp_write_data(s);
+ usb_mtp_data_free(s->data_out);
+ s->data_out = NULL;
+ return;
+ }
+ break;
+ default:
+ p->status = USB_RET_STALL;
+ return;
+ }
+}
+
static void usb_mtp_handle_data(USBDevice *dev, USBPacket *p)
{
MTPState *s = USB_MTP(dev);
MTPControl cmd;
mtp_container container;
uint32_t params[5];
+ uint16_t container_type;
int i, rc;
switch (p->ep->nr) {
}
if (s->data_in != NULL) {
MTPData *d = s->data_in;
- int dlen = d->length - d->offset;
+ uint64_t dlen = d->length - d->offset;
if (d->first) {
trace_usb_mtp_data_in(s->dev.addr, d->trans, d->length);
- container.length = cpu_to_le32(d->length + sizeof(container));
+ if (d->length + sizeof(container) > 0xFFFFFFFF) {
+ container.length = cpu_to_le32(0xFFFFFFFF);
+ } else {
+ container.length =
+ cpu_to_le32(d->length + sizeof(container));
+ }
container.type = cpu_to_le16(TYPE_DATA);
container.code = cpu_to_le16(d->code);
container.trans = cpu_to_le32(d->trans);
p->status = USB_RET_STALL;
return;
}
- usb_packet_copy(p, &container, sizeof(container));
- switch (le16_to_cpu(container.type)) {
+ if ((s->data_out != NULL) && !s->data_out->first) {
+ container_type = TYPE_DATA;
+ } else {
+ usb_packet_copy(p, &container, sizeof(container));
+ container_type = le16_to_cpu(container.type);
+ }
+ switch (container_type) {
case TYPE_COMMAND:
if (s->data_in || s->data_out || s->result) {
trace_usb_mtp_stall(s->dev.addr, "transaction inflight");
(cmd.argc > 4) ? cmd.argv[4] : 0);
usb_mtp_command(s, &cmd);
break;
+ case TYPE_DATA:
+ /* One of the previous transfers has already errored but the
+ * responder is still sending data associated with it
+ */
+ if (s->result != NULL) {
+ return;
+ }
+ usb_mtp_get_data(s, &container, p);
+ break;
default:
/* not needed as long as the mtp device is read-only */
p->status = USB_RET_STALL;
}
break;
case EP_EVENT:
-#ifdef __linux__
+#ifdef CONFIG_INOTIFY1
if (!QTAILQ_EMPTY(&s->events)) {
struct MTPMonEntry *e = QTAILQ_LAST(&s->events, events);
uint32_t handle;
s->desc = g_strdup("none");
}
}
+ /* Mark store as RW */
+ if (!s->readonly) {
+ s->flags |= (1 << MTP_FLAG_WRITABLE);
+ }
+
}
static const VMStateDescription vmstate_usb_mtp = {
static Property mtp_properties[] = {
DEFINE_PROP_STRING("x-root", MTPState, root),
DEFINE_PROP_STRING("desc", MTPState, desc),
+ DEFINE_PROP_BOOL("readonly", MTPState, readonly, true),
DEFINE_PROP_END_OF_LIST(),
};
uc->handle_reset = usb_mtp_handle_reset;
uc->handle_control = usb_mtp_handle_control;
uc->handle_data = usb_mtp_handle_data;
+ set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
+ dc->desc = "USB Media Transfer Protocol device";
dc->fw_name = "mtp";
dc->vmsd = &vmstate_usb_mtp;
dc->props = mtp_properties;
projects / mirror_qemu.git / blobdiff