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generated.go
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generated.go
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// Code generated by gen.go from executor/*.h. DO NOT EDIT.
package csource
var commonHeader = `
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#if GOOS_freebsd || GOOS_test && HOSTGOOS_freebsd
#include <sys/endian.h>
#elif GOOS_darwin
#include <libkern/OSByteOrder.h>
#define htobe16(x) OSSwapHostToBigInt16(x)
#define htobe32(x) OSSwapHostToBigInt32(x)
#define htobe64(x) OSSwapHostToBigInt64(x)
#define le16toh(x) OSSwapLittleToHostInt16(x)
#define htole16(x) OSSwapHostToLittleInt16(x)
#elif GOOS_windows
#define htobe16 _byteswap_ushort
#define htobe32 _byteswap_ulong
#define htobe64 _byteswap_uint64
#define le16toh(x) x
#define htole16(x) x
typedef signed int ssize_t;
#else
#include <endian.h>
#endif
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if SYZ_TRACE
#include <errno.h>
#endif
#if !SYZ_EXECUTOR
/*{{{SYSCALL_DEFINES}}}*/
#endif
#if SYZ_EXECUTOR && !GOOS_linux
#if !GOOS_windows
#include <unistd.h>
#endif
NORETURN void doexit(int status)
{
_exit(status);
for (;;) {
}
}
#if !GOOS_fuchsia
NORETURN void doexit_thread(int status)
{
doexit(status);
}
#endif
#endif
#if SYZ_EXECUTOR || SYZ_MULTI_PROC || SYZ_REPEAT && SYZ_CGROUPS || \
SYZ_NET_DEVICES || __NR_syz_mount_image || __NR_syz_read_part_table || \
__NR_syz_usb_connect || __NR_syz_usb_connect_ath9k || \
(GOOS_freebsd || GOOS_darwin || GOOS_openbsd || GOOS_netbsd) && SYZ_NET_INJECTION
static unsigned long long procid;
#endif
#if !GOOS_fuchsia && !GOOS_windows
#if SYZ_EXECUTOR || SYZ_HANDLE_SEGV
#include <setjmp.h>
#include <signal.h>
#include <string.h>
#if GOOS_linux
#include <sys/syscall.h>
#endif
static __thread int clone_ongoing;
static __thread int skip_segv;
static __thread jmp_buf segv_env;
#if GOOS_akaros
#include <parlib/parlib.h>
static void recover(void)
{
_longjmp(segv_env, 1);
}
#endif
static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) {
doexit_thread(sig);
}
uintptr_t addr = (uintptr_t)info->si_addr;
const uintptr_t prog_start = 1 << 20;
const uintptr_t prog_end = 100 << 20;
int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
int valid = addr < prog_start || addr > prog_end;
#if GOOS_freebsd || (GOOS_test && HOSTGOOS_freebsd)
if (sig == SIGBUS)
valid = 1;
#endif
if (skip && valid) {
debug("SIGSEGV on %p, skipping\n", (void*)addr);
#if GOOS_akaros
struct user_context* uctx = (struct user_context*)ctx;
uctx->tf.hw_tf.tf_rip = (long)(void*)recover;
return;
#else
_longjmp(segv_env, 1);
#endif
}
debug("SIGSEGV on %p, exiting\n", (void*)addr);
doexit(sig);
}
static void install_segv_handler(void)
{
struct sigaction sa;
#if GOOS_linux
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_IGN;
syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
#endif
memset(&sa, 0, sizeof(sa));
sa.sa_sigaction = segv_handler;
sa.sa_flags = SA_NODEFER | SA_SIGINFO;
sigaction(SIGSEGV, &sa, NULL);
sigaction(SIGBUS, &sa, NULL);
}
#define NONFAILING(...) \
({ \
int ok = 1; \
__atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \
if (_setjmp(segv_env) == 0) { \
__VA_ARGS__; \
} else \
ok = 0; \
__atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \
ok; \
})
#endif
#endif
#if !GOOS_linux
#if (SYZ_EXECUTOR || SYZ_REPEAT) && SYZ_EXECUTOR_USES_FORK_SERVER
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
static void kill_and_wait(int pid, int* status)
{
kill(pid, SIGKILL);
while (waitpid(-1, status, 0) != pid) {
}
}
#endif
#endif
#if !GOOS_windows
#if SYZ_EXECUTOR || SYZ_THREADED || SYZ_REPEAT && SYZ_EXECUTOR_USES_FORK_SERVER || \
__NR_syz_usb_connect || __NR_syz_usb_connect_ath9k || __NR_syz_sleep_ms
static void sleep_ms(uint64 ms)
{
usleep(ms * 1000);
}
#endif
#if SYZ_EXECUTOR || SYZ_THREADED || SYZ_REPEAT && SYZ_EXECUTOR_USES_FORK_SERVER || \
SYZ_LEAK
#include <time.h>
static uint64 current_time_ms(void)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
fail("clock_gettime failed");
return (uint64)ts.tv_sec * 1000 + (uint64)ts.tv_nsec / 1000000;
}
#endif
#if SYZ_EXECUTOR || SYZ_SANDBOX_ANDROID || SYZ_USE_TMP_DIR
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
static void use_temporary_dir(void)
{
#if SYZ_SANDBOX_ANDROID
char tmpdir_template[] = "/data/data/syzkaller/syzkaller.XXXXXX";
#elif GOOS_fuchsia
char tmpdir_template[] = "/tmp/syzkaller.XXXXXX";
#else
char tmpdir_template[] = "./syzkaller.XXXXXX";
#endif
char* tmpdir = mkdtemp(tmpdir_template);
if (!tmpdir)
fail("failed to mkdtemp");
if (chmod(tmpdir, 0777))
fail("failed to chmod");
if (chdir(tmpdir))
fail("failed to chdir");
}
#endif
#endif
#if GOOS_akaros || GOOS_netbsd || GOOS_freebsd || GOOS_darwin || GOOS_openbsd || GOOS_test
#if (SYZ_EXECUTOR || SYZ_REPEAT) && SYZ_EXECUTOR_USES_FORK_SERVER && (SYZ_EXECUTOR || SYZ_USE_TMP_DIR)
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#if GOOS_freebsd
static void reset_flags(const char* filename)
{
struct stat st;
if (lstat(filename, &st))
exitf("lstat(%s) failed", filename);
st.st_flags &= ~(SF_NOUNLINK | UF_NOUNLINK | SF_IMMUTABLE | UF_IMMUTABLE | SF_APPEND | UF_APPEND);
if (lchflags(filename, st.st_flags))
exitf("lchflags(%s) failed", filename);
}
#endif
static void __attribute__((noinline)) remove_dir(const char* dir)
{
DIR* dp = opendir(dir);
if (dp == NULL) {
if (errno == EACCES) {
if (rmdir(dir))
exitf("rmdir(%s) failed", dir);
return;
}
exitf("opendir(%s) failed", dir);
}
struct dirent* ep = 0;
while ((ep = readdir(dp))) {
if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
continue;
char filename[FILENAME_MAX];
snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
struct stat st;
if (lstat(filename, &st))
exitf("lstat(%s) failed", filename);
if (S_ISDIR(st.st_mode)) {
remove_dir(filename);
continue;
}
if (unlink(filename)) {
#if GOOS_freebsd
if (errno == EPERM) {
reset_flags(filename);
reset_flags(dir);
if (unlink(filename) == 0)
continue;
}
#endif
exitf("unlink(%s) failed", filename);
}
}
closedir(dp);
while (rmdir(dir)) {
#if GOOS_freebsd
if (errno == EPERM) {
reset_flags(dir);
if (rmdir(dir) == 0)
break;
}
#endif
exitf("rmdir(%s) failed", dir);
}
}
#endif
#endif
#if !GOOS_linux && !GOOS_netbsd
#if SYZ_EXECUTOR || SYZ_FAULT
static int inject_fault(int nth)
{
return 0;
}
#endif
#if SYZ_FAULT
static void setup_fault()
{
}
#endif
#if SYZ_EXECUTOR
static int fault_injected(int fail_fd)
{
return 0;
}
#endif
#endif
#if !GOOS_windows
#if SYZ_EXECUTOR || SYZ_THREADED
#include <errno.h>
#include <pthread.h>
static void thread_start(void* (*fn)(void*), void* arg)
{
pthread_t th;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 128 << 10);
int i = 0;
for (; i < 100; i++) {
if (pthread_create(&th, &attr, fn, arg) == 0) {
pthread_attr_destroy(&attr);
return;
}
if (errno == EAGAIN) {
usleep(50);
continue;
}
break;
}
exitf("pthread_create failed");
}
#endif
#endif
#if GOOS_freebsd || GOOS_darwin || GOOS_netbsd || GOOS_openbsd || GOOS_akaros || GOOS_test
#if SYZ_EXECUTOR || SYZ_THREADED
#include <pthread.h>
#include <time.h>
typedef struct {
pthread_mutex_t mu;
pthread_cond_t cv;
int state;
} event_t;
static void event_init(event_t* ev)
{
if (pthread_mutex_init(&ev->mu, 0))
exitf("pthread_mutex_init failed");
if (pthread_cond_init(&ev->cv, 0))
exitf("pthread_cond_init failed");
ev->state = 0;
}
static void event_reset(event_t* ev)
{
ev->state = 0;
}
static void event_set(event_t* ev)
{
pthread_mutex_lock(&ev->mu);
if (ev->state)
fail("event already set");
ev->state = 1;
pthread_mutex_unlock(&ev->mu);
pthread_cond_broadcast(&ev->cv);
}
static void event_wait(event_t* ev)
{
pthread_mutex_lock(&ev->mu);
while (!ev->state)
pthread_cond_wait(&ev->cv, &ev->mu);
pthread_mutex_unlock(&ev->mu);
}
static int event_isset(event_t* ev)
{
pthread_mutex_lock(&ev->mu);
int res = ev->state;
pthread_mutex_unlock(&ev->mu);
return res;
}
static int event_timedwait(event_t* ev, uint64 timeout)
{
uint64 start = current_time_ms();
uint64 now = start;
pthread_mutex_lock(&ev->mu);
for (;;) {
if (ev->state)
break;
uint64 remain = timeout - (now - start);
struct timespec ts;
ts.tv_sec = remain / 1000;
ts.tv_nsec = (remain % 1000) * 1000 * 1000;
pthread_cond_timedwait(&ev->cv, &ev->mu, &ts);
now = current_time_ms();
if (now - start > timeout)
break;
}
int res = ev->state;
pthread_mutex_unlock(&ev->mu);
return res;
}
#endif
#endif
#if SYZ_EXECUTOR || SYZ_USE_BITMASKS
#define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off))
#define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len) \
*(type*)(addr) = htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) | \
(((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len))))
#endif
#if SYZ_EXECUTOR || SYZ_USE_CHECKSUMS
struct csum_inet {
uint32 acc;
};
static void csum_inet_init(struct csum_inet* csum)
{
csum->acc = 0;
}
static void csum_inet_update(struct csum_inet* csum, const uint8* data, size_t length)
{
if (length == 0)
return;
size_t i = 0;
for (; i < length - 1; i += 2)
csum->acc += *(uint16*)&data[i];
if (length & 1)
csum->acc += le16toh((uint16)data[length - 1]);
while (csum->acc > 0xffff)
csum->acc = (csum->acc & 0xffff) + (csum->acc >> 16);
}
static uint16 csum_inet_digest(struct csum_inet* csum)
{
return ~csum->acc;
}
#endif
#if GOOS_akaros
#include <ros/syscall.h>
#include <stdlib.h>
#include <unistd.h>
#if SYZ_EXECUTOR || SYZ_SANDBOX_NONE
static void loop();
static int do_sandbox_none(void)
{
loop();
return 0;
}
#endif
#if SYZ_EXECUTOR || SYZ_REPEAT
static void execute_one();
const char* program_name;
void child()
{
#if SYZ_EXECUTOR || SYZ_HANDLE_SEGV
install_segv_handler();
#endif
#if SYZ_EXECUTOR
receive_execute();
close(kInPipeFd);
#endif
execute_one();
doexit(0);
}
#endif
#elif GOOS_freebsd || GOOS_darwin || GOOS_netbsd || GOOS_openbsd
#include <unistd.h>
#include <pwd.h>
#include <stdarg.h>
#include <stdbool.h>
#include <string.h>
#include <sys/syscall.h>
#if GOOS_netbsd
#if SYZ_EXECUTOR || __NR_syz_usb_connect
#include <dev/usb/usb.h>
#include <dev/usb/usbhid.h>
#include <dev/usb/vhci.h>
#include <fcntl.h>
#include <sys/ioctl.h>
struct usb_endpoint_descriptor {
uint8 bLength;
uint8 bDescriptorType;
uint8 bEndpointAddress;
uint8 bmAttributes;
uint16 wMaxPacketSize;
uint8 bInterval;
uint8 bRefresh;
uint8 bSynchAddress;
} __attribute__((packed));
struct usb_device_descriptor {
uint8 bLength;
uint8 bDescriptorType;
uint16 bcdUSB;
uint8 bDeviceClass;
uint8 bDeviceSubClass;
uint8 bDeviceProtocol;
uint8 bMaxPacketSize0;
uint16 idVendor;
uint16 idProduct;
uint16 bcdDevice;
uint8 iManufacturer;
uint8 iProduct;
uint8 iSerialNumber;
uint8 bNumConfigurations;
} __attribute__((packed));
struct usb_config_descriptor {
uint8 bLength;
uint8 bDescriptorType;
uint16 wTotalLength;
uint8 bNumInterfaces;
uint8 bConfigurationValue;
uint8 iConfiguration;
uint8 bmAttributes;
uint8 bMaxPower;
} __attribute__((packed));
struct usb_interface_descriptor {
uint8 bLength;
uint8 bDescriptorType;
uint8 bInterfaceNumber;
uint8 bAlternateSetting;
uint8 bNumEndpoints;
uint8 bInterfaceClass;
uint8 bInterfaceSubClass;
uint8 bInterfaceProtocol;
uint8 iInterface;
} __attribute__((packed));
struct usb_ctrlrequest {
uint8 bRequestType;
uint8 bRequest;
uint16 wValue;
uint16 wIndex;
uint16 wLength;
} __attribute__((packed));
struct usb_qualifier_descriptor {
uint8 bLength;
uint8 bDescriptorType;
uint16 bcdUSB;
uint8 bDeviceClass;
uint8 bDeviceSubClass;
uint8 bDeviceProtocol;
uint8 bMaxPacketSize0;
uint8 bNumConfigurations;
uint8 bRESERVED;
} __attribute__((packed));
#define USB_TYPE_MASK (0x03 << 5)
#define USB_TYPE_STANDARD (0x00 << 5)
#define USB_TYPE_CLASS (0x01 << 5)
#define USB_TYPE_VENDOR (0x02 << 5)
#define USB_TYPE_RESERVED (0x03 << 5)
#define USB_DT_DEVICE 0x01
#define USB_DT_CONFIG 0x02
#define USB_DT_STRING 0x03
#define USB_DT_INTERFACE 0x04
#define USB_DT_ENDPOINT 0x05
#define USB_DT_DEVICE_QUALIFIER 0x06
#define USB_DT_OTHER_SPEED_CONFIG 0x07
#define USB_DT_INTERFACE_POWER 0x08
#define USB_DT_OTG 0x09
#define USB_DT_DEBUG 0x0a
#define USB_DT_INTERFACE_ASSOCIATION 0x0b
#define USB_DT_SECURITY 0x0c
#define USB_DT_KEY 0x0d
#define USB_DT_ENCRYPTION_TYPE 0x0e
#define USB_DT_BOS 0x0f
#define USB_DT_DEVICE_CAPABILITY 0x10
#define USB_DT_WIRELESS_ENDPOINT_COMP 0x11
#define USB_DT_WIRE_ADAPTER 0x21
#define USB_DT_RPIPE 0x22
#define USB_DT_CS_RADIO_CONTROL 0x23
#define USB_DT_PIPE_USAGE 0x24
#define USB_DT_SS_ENDPOINT_COMP 0x30
#define USB_DT_SSP_ISOC_ENDPOINT_COMP 0x31
#define USB_REQ_GET_STATUS 0x00
#define USB_REQ_CLEAR_FEATURE 0x01
#define USB_REQ_SET_FEATURE 0x03
#define USB_REQ_SET_ADDRESS 0x05
#define USB_REQ_GET_DESCRIPTOR 0x06
#define USB_REQ_SET_DESCRIPTOR 0x07
#define USB_REQ_GET_CONFIGURATION 0x08
#define USB_REQ_SET_CONFIGURATION 0x09
#define USB_REQ_GET_INTERFACE 0x0A
#define USB_REQ_SET_INTERFACE 0x0B
#define USB_REQ_SYNCH_FRAME 0x0C
#define USB_REQ_SET_SEL 0x30
#define USB_REQ_SET_ISOCH_DELAY 0x31
#define USB_REQ_SET_ENCRYPTION 0x0D
#define USB_REQ_GET_ENCRYPTION 0x0E
#define USB_REQ_RPIPE_ABORT 0x0E
#define USB_REQ_SET_HANDSHAKE 0x0F
#define USB_REQ_RPIPE_RESET 0x0F
#define USB_REQ_GET_HANDSHAKE 0x10
#define USB_REQ_SET_CONNECTION 0x11
#define USB_REQ_SET_SECURITY_DATA 0x12
#define USB_REQ_GET_SECURITY_DATA 0x13
#define USB_REQ_SET_WUSB_DATA 0x14
#define USB_REQ_LOOPBACK_DATA_WRITE 0x15
#define USB_REQ_LOOPBACK_DATA_READ 0x16
#define USB_REQ_SET_INTERFACE_DS 0x17
#define USB_REQ_GET_PARTNER_PDO 20
#define USB_REQ_GET_BATTERY_STATUS 21
#define USB_REQ_SET_PDO 22
#define USB_REQ_GET_VDM 23
#define USB_REQ_SEND_VDM 24
#define USB_MAX_IFACE_NUM 4
#define USB_MAX_EP_NUM 32
#define USB_MAX_FDS 6
struct usb_endpoint_index {
struct usb_endpoint_descriptor desc;
int handle;
};
struct usb_iface_index {
struct usb_interface_descriptor* iface;
uint8 bInterfaceNumber;
uint8 bAlternateSetting;
uint8 bInterfaceClass;
struct usb_endpoint_index eps[USB_MAX_EP_NUM];
int eps_num;
};
struct usb_device_index {
struct usb_device_descriptor* dev;
struct usb_config_descriptor* config;
uint8 bDeviceClass;
uint8 bMaxPower;
int config_length;
struct usb_iface_index ifaces[USB_MAX_IFACE_NUM];
int ifaces_num;
int iface_cur;
};
struct usb_info {
int fd;
struct usb_device_index index;
};
static struct usb_info usb_devices[USB_MAX_FDS];
static int usb_devices_num;
static bool parse_usb_descriptor(const char* buffer, size_t length, struct usb_device_index* index)
{
if (length < sizeof(*index->dev) + sizeof(*index->config))
return false;
memset(index, 0, sizeof(*index));
index->dev = (struct usb_device_descriptor*)buffer;
index->config = (struct usb_config_descriptor*)(buffer + sizeof(*index->dev));
index->bDeviceClass = index->dev->bDeviceClass;
index->bMaxPower = index->config->bMaxPower;
index->config_length = length - sizeof(*index->dev);
index->iface_cur = -1;
size_t offset = 0;
while (true) {
if (offset + 1 >= length)
break;
uint8 desc_length = buffer[offset];
uint8 desc_type = buffer[offset + 1];
if (desc_length <= 2)
break;
if (offset + desc_length > length)
break;
if (desc_type == USB_DT_INTERFACE && index->ifaces_num < USB_MAX_IFACE_NUM) {
struct usb_interface_descriptor* iface = (struct usb_interface_descriptor*)(buffer + offset);
debug("parse_usb_descriptor: found interface #%u (%d, %d) at %p\n",
index->ifaces_num, iface->bInterfaceNumber, iface->bAlternateSetting, iface);
index->ifaces[index->ifaces_num].iface = iface;
index->ifaces[index->ifaces_num].bInterfaceNumber = iface->bInterfaceNumber;
index->ifaces[index->ifaces_num].bAlternateSetting = iface->bAlternateSetting;
index->ifaces[index->ifaces_num].bInterfaceClass = iface->bInterfaceClass;
index->ifaces_num++;
}
if (desc_type == USB_DT_ENDPOINT && index->ifaces_num > 0) {
struct usb_iface_index* iface = &index->ifaces[index->ifaces_num - 1];
debug("parse_usb_descriptor: found endpoint #%u at %p\n", iface->eps_num, buffer + offset);
if (iface->eps_num < USB_MAX_EP_NUM) {
memcpy(&iface->eps[iface->eps_num].desc, buffer + offset, sizeof(iface->eps[iface->eps_num].desc));
iface->eps_num++;
}
}
offset += desc_length;
}
return true;
}
static struct usb_device_index* add_usb_index(int fd, const char* dev, size_t dev_len)
{
int i = __atomic_fetch_add(&usb_devices_num, 1, __ATOMIC_RELAXED);
if (i >= USB_MAX_FDS)
return NULL;
if (!parse_usb_descriptor(dev, dev_len, &usb_devices[i].index))
return NULL;
__atomic_store_n(&usb_devices[i].fd, fd, __ATOMIC_RELEASE);
return &usb_devices[i].index;
}
static struct usb_device_index* lookup_usb_index(int fd)
{
for (int i = 0; i < USB_MAX_FDS; i++) {
if (__atomic_load_n(&usb_devices[i].fd, __ATOMIC_ACQUIRE) == fd)
return &usb_devices[i].index;
}
return NULL;
}
#if USB_DEBUG
#include <linux/hid.h>
#include <linux/usb/audio.h>
#include <linux/usb/cdc.h>
#include <linux/usb/ch11.h>
#include <linux/usb/ch9.h>
#define USBLP_REQ_GET_ID 0x00
#define USBLP_REQ_GET_STATUS 0x01
#define USBLP_REQ_RESET 0x02
const char* usb_class_to_string(unsigned value)
{
switch (value) {
case USB_CLASS_PER_INTERFACE:
return "USB_CLASS_PER_INTERFACE";
case USB_CLASS_AUDIO:
return "USB_CLASS_AUDIO";
case USB_CLASS_COMM:
return "USB_CLASS_COMM";
case USB_CLASS_HID:
return "USB_CLASS_HID";
case USB_CLASS_PHYSICAL:
return "USB_CLASS_PHYSICAL";
case USB_CLASS_STILL_IMAGE:
return "USB_CLASS_STILL_IMAGE";
case USB_CLASS_PRINTER:
return "USB_CLASS_PRINTER";
case USB_CLASS_MASS_STORAGE:
return "USB_CLASS_MASS_STORAGE";
case USB_CLASS_HUB:
return "USB_CLASS_HUB";
case USB_CLASS_CDC_DATA:
return "USB_CLASS_CDC_DATA";
case USB_CLASS_CSCID:
return "USB_CLASS_CSCID";
case USB_CLASS_CONTENT_SEC:
return "USB_CLASS_CONTENT_SEC";
case USB_CLASS_VIDEO:
return "USB_CLASS_VIDEO";
case USB_CLASS_WIRELESS_CONTROLLER:
return "USB_CLASS_WIRELESS_CONTROLLER";
case USB_CLASS_MISC:
return "USB_CLASS_MISC";
case USB_CLASS_APP_SPEC:
return "USB_CLASS_APP_SPEC";
case USB_CLASS_VENDOR_SPEC:
return "USB_CLASS_VENDOR_SPEC";
}
return "unknown";
}
static void analyze_usb_device(struct usb_device_index* index)
{
debug("analyze_usb_device: idVendor = %04x\n", (unsigned)index->dev->idVendor);
debug("analyze_usb_device: idProduct = %04x\n", (unsigned)index->dev->idProduct);
debug("analyze_usb_device: bDeviceClass = %x (%s)\n", (unsigned)index->dev->bDeviceClass,
usb_class_to_string(index->dev->bDeviceClass));
debug("analyze_usb_device: bDeviceSubClass = %x\n", (unsigned)index->dev->bDeviceSubClass);
debug("analyze_usb_device: bDeviceProtocol = %x\n", (unsigned)index->dev->bDeviceProtocol);
for (int i = 0; i < index->ifaces_num; i++) {
struct usb_interface_descriptor* iface = index->ifaces[i].iface;
debug("analyze_usb_device: interface #%d:\n", i);
debug("analyze_usb_device: bInterfaceClass = %x (%s)\n", (unsigned)iface->bInterfaceClass,
usb_class_to_string(iface->bInterfaceClass));
debug("analyze_usb_device: bInterfaceSubClass = %x\n", (unsigned)iface->bInterfaceSubClass);
debug("analyze_usb_device: bInterfaceProtocol = %x\n", (unsigned)iface->bInterfaceProtocol);
}
}
static bool analyze_control_request_standard(struct usb_device_index* index, struct usb_ctrlrequest* ctrl)
{
uint8 bDeviceClass = index->bDeviceClass;
uint8 bInterfaceClass = index->ifaces[index->iface_cur].bInterfaceClass;
if (bDeviceClass == USB_CLASS_HID || bInterfaceClass == USB_CLASS_HID) {
switch (ctrl->bRequest) {
case USB_REQ_GET_DESCRIPTOR:
debug("analyze_control_request: req = USB_REQ_GET_DESCRIPTOR\n");
switch (ctrl->wValue >> 8) {
case HID_DT_HID:
debug("analyze_control_request: desc = HID_DT_HID\n");
return true;
case HID_DT_REPORT:
debug("analyze_control_request: desc = HID_DT_REPORT\n");
return true;
case HID_DT_PHYSICAL:
debug("analyze_control_request: desc = HID_DT_PHYSICAL\n");
return false;
}
}
}
switch (ctrl->bRequest) {
case USB_REQ_GET_DESCRIPTOR:
debug("analyze_control_request: req = USB_REQ_GET_DESCRIPTOR\n");
switch (ctrl->wValue >> 8) {
case USB_DT_DEVICE:
debug("analyze_control_request: desc = USB_DT_DEVICE\n");
return true;
case USB_DT_CONFIG:
debug("analyze_control_request: desc = USB_DT_CONFIG, index = %d\n", (int)(ctrl->wValue & 0xff));
return true;
case USB_DT_STRING:
debug("analyze_control_request: desc = USB_DT_STRING\n");
return true;
case USB_DT_INTERFACE:
debug("analyze_control_request: desc = USB_DT_INTERFACE\n");
break;
case USB_DT_ENDPOINT:
debug("analyze_control_request: desc = USB_DT_ENDPOINT\n");
break;
case USB_DT_DEVICE_QUALIFIER:
debug("analyze_control_request: desc = USB_DT_DEVICE_QUALIFIER\n");
return true;
case USB_DT_OTHER_SPEED_CONFIG:
debug("analyze_control_request: desc = USB_DT_OTHER_SPEED_CONFIG\n");
break;
case USB_DT_INTERFACE_POWER:
debug("analyze_control_request: desc = USB_DT_INTERFACE_POWER\n");
break;
case USB_DT_OTG:
debug("analyze_control_request: desc = USB_DT_OTG\n");
break;
case USB_DT_DEBUG:
debug("analyze_control_request: desc = USB_DT_DEBUG\n");
break;
case USB_DT_INTERFACE_ASSOCIATION:
debug("analyze_control_request: desc = USB_DT_INTERFACE_ASSOCIATION\n");
break;
case USB_DT_SECURITY:
debug("analyze_control_request: desc = USB_DT_SECURITY\n");
break;
case USB_DT_KEY:
debug("analyze_control_request: desc = USB_DT_KEY\n");
break;
case USB_DT_ENCRYPTION_TYPE:
debug("analyze_control_request: desc = USB_DT_ENCRYPTION_TYPE\n");
break;
case USB_DT_BOS:
debug("analyze_control_request: desc = USB_DT_BOS\n");
return true;
case USB_DT_DEVICE_CAPABILITY:
debug("analyze_control_request: desc = USB_DT_DEVICE_CAPABILITY\n");
break;
case USB_DT_WIRELESS_ENDPOINT_COMP:
debug("analyze_control_request: desc = USB_DT_WIRELESS_ENDPOINT_COMP\n");
break;
case USB_DT_WIRE_ADAPTER:
debug("analyze_control_request: desc = USB_DT_WIRE_ADAPTER\n");
break;
case USB_DT_RPIPE:
debug("analyze_control_request: desc = USB_DT_RPIPE\n");
break;
case USB_DT_CS_RADIO_CONTROL:
debug("analyze_control_request: desc = USB_DT_CS_RADIO_CONTROL\n");
break;
case USB_DT_PIPE_USAGE:
debug("analyze_control_request: desc = USB_DT_PIPE_USAGE\n");
break;
case USB_DT_SS_ENDPOINT_COMP:
debug("analyze_control_request: desc = USB_DT_SS_ENDPOINT_COMP\n");
break;
case USB_DT_SSP_ISOC_ENDPOINT_COMP:
debug("analyze_control_request: desc = USB_DT_SSP_ISOC_ENDPOINT_COMP\n");
break;
default:
debug("analyze_control_request: desc = unknown = 0x%x\n", (int)(ctrl->wValue >> 8));
break;
}
break;
case USB_REQ_GET_STATUS:
debug("analyze_control_request: req = USB_REQ_GET_STATUS\n");
break;
case USB_REQ_CLEAR_FEATURE:
debug("analyze_control_request: req = USB_REQ_CLEAR_FEATURE\n");
break;
case USB_REQ_SET_FEATURE:
debug("analyze_control_request: req = USB_REQ_SET_FEATURE\n");
break;
case USB_REQ_GET_CONFIGURATION:
debug("analyze_control_request: req = USB_REQ_GET_CONFIGURATION\n");
return true;
case USB_REQ_SET_CONFIGURATION:
debug("analyze_control_request: req = USB_REQ_SET_CONFIGURATION\n");
break;
case USB_REQ_GET_INTERFACE:
debug("analyze_control_request: req = USB_REQ_GET_INTERFACE\n");
return true;
case USB_REQ_SET_INTERFACE:
debug("analyze_control_request: req = USB_REQ_SET_INTERFACE\n");
break;
default:
debug("analyze_control_request: req = unknown = 0x%x\n", (int)ctrl->bRequest);
break;
}
return false;
}
static bool analyze_control_request_class(struct usb_device_index* index, struct usb_ctrlrequest* ctrl)
{
uint8 bDeviceClass = index->bDeviceClass;
uint8 bInterfaceClass = index->ifaces[index->iface_cur].bInterfaceClass;
if (bDeviceClass == USB_CLASS_HID || bInterfaceClass == USB_CLASS_HID) {
switch (ctrl->bRequest) {
case HID_REQ_GET_REPORT:
debug("analyze_control_request: req = HID_REQ_GET_REPORT\n");
return true;
case HID_REQ_GET_IDLE:
debug("analyze_control_request: req = HID_REQ_GET_IDLE\n");
break;
case HID_REQ_GET_PROTOCOL:
debug("analyze_control_request: req = HID_REQ_GET_PROTOCOL\n");
return true;
case HID_REQ_SET_REPORT:
debug("analyze_control_request: req = HID_REQ_SET_REPORT\n");
break;
case HID_REQ_SET_IDLE:
debug("analyze_control_request: req = HID_REQ_SET_IDLE\n");
break;
case HID_REQ_SET_PROTOCOL:
debug("analyze_control_request: req = HID_REQ_SET_PROTOCOL\n");
break;
}
}
if (bDeviceClass == USB_CLASS_AUDIO || bInterfaceClass == USB_CLASS_AUDIO) {
switch (ctrl->bRequest) {
case UAC_SET_CUR:
debug("analyze_control_request: req = UAC_SET_CUR\n");
break;
case UAC_GET_CUR:
debug("analyze_control_request: req = UAC_GET_CUR\n");
return true;
case UAC_SET_MIN:
debug("analyze_control_request: req = UAC_SET_MIN\n");
break;
case UAC_GET_MIN:
debug("analyze_control_request: req = UAC_GET_MIN\n");
return true;
case UAC_SET_MAX:
debug("analyze_control_request: req = UAC_SET_MAX\n");
break;
case UAC_GET_MAX:
debug("analyze_control_request: req = UAC_GET_MAX\n");
return true;
case UAC_SET_RES:
debug("analyze_control_request: req = UAC_SET_RES\n");
break;
case UAC_GET_RES:
debug("analyze_control_request: req = UAC_GET_RES\n");
return true;
case UAC_SET_MEM: