X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/e3dfa4277219c1cb72b906860faf537336bf866c..cd00aa3043b507ed10bf79a37b83b88741d176d7:/client/prox.cpp diff --git a/client/prox.cpp b/client/prox.cpp new file mode 100644 index 00000000..4b80e3cc --- /dev/null +++ b/client/prox.cpp @@ -0,0 +1,580 @@ +#include +#include +#include +#include +#include +extern "C" { +#include "include/hidsdi.h" +#include "include/hidpi.h" +} + +#include "prox.h" + +#define OUR_VID 0x9ac4 +#define OUR_PID 0x4b8f +#define bzero(b,len) (memset((b), '\0', (len)), (void) 0) + +int offline = 0; +HANDLE UsbHandle; + +static void ShowError(void) +{ + char buf[1024]; + FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 0, + buf, sizeof(buf), NULL); + printf("ERROR: %s", buf); +} + +static BOOL UsbConnect(void) +{ + typedef void (__stdcall *GetGuidProc)(GUID *); + typedef BOOLEAN (__stdcall *GetAttrProc)(HANDLE, HIDD_ATTRIBUTES *); + typedef BOOLEAN (__stdcall *GetPreparsedProc)(HANDLE, + PHIDP_PREPARSED_DATA *); + typedef NTSTATUS (__stdcall *GetCapsProc)(PHIDP_PREPARSED_DATA, PHIDP_CAPS); + GetGuidProc getGuid; + GetAttrProc getAttr; + GetPreparsedProc getPreparsed; + GetCapsProc getCaps; + + HMODULE h = LoadLibrary("hid.dll"); + getGuid = (GetGuidProc)GetProcAddress(h, "HidD_GetHidGuid"); + getAttr = (GetAttrProc)GetProcAddress(h, "HidD_GetAttributes"); + getPreparsed = (GetPreparsedProc)GetProcAddress(h, "HidD_GetPreparsedData"); + getCaps = (GetCapsProc)GetProcAddress(h, "HidP_GetCaps"); + + GUID hidGuid; + getGuid(&hidGuid); + + HDEVINFO devInfo; + devInfo = SetupDiGetClassDevs(&hidGuid, NULL, NULL, + DIGCF_PRESENT | DIGCF_INTERFACEDEVICE); + + SP_DEVICE_INTERFACE_DATA devInfoData; + devInfoData.cbSize = sizeof(devInfoData); + + int i; + for(i = 0;; i++) { + if(!SetupDiEnumDeviceInterfaces(devInfo, 0, &hidGuid, i, &devInfoData)) + { + if(GetLastError() != ERROR_NO_MORE_ITEMS) { +// printf("SetupDiEnumDeviceInterfaces failed\n"); + } +// printf("done list\n"); + SetupDiDestroyDeviceInfoList(devInfo); + return FALSE; + } + +// printf("item %d:\n", i); + + DWORD sizeReqd = 0; + if(!SetupDiGetDeviceInterfaceDetail(devInfo, &devInfoData, + NULL, 0, &sizeReqd, NULL)) + { + if(GetLastError() != ERROR_INSUFFICIENT_BUFFER) { +// printf("SetupDiGetDeviceInterfaceDetail (0) failed\n"); + continue; + } + } + + SP_DEVICE_INTERFACE_DETAIL_DATA *devInfoDetailData = + (SP_DEVICE_INTERFACE_DETAIL_DATA *)malloc(sizeReqd); + devInfoDetailData->cbSize = sizeof(*devInfoDetailData); + + if(!SetupDiGetDeviceInterfaceDetail(devInfo, &devInfoData, + devInfoDetailData, 87, NULL, NULL)) + { +// printf("SetupDiGetDeviceInterfaceDetail (1) failed\n"); + continue; + } + + char *path = devInfoDetailData->DevicePath; + + UsbHandle = CreateFile(path, /*GENERIC_READ |*/ GENERIC_WRITE, + FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, + FILE_FLAG_OVERLAPPED, NULL); + + if(UsbHandle == INVALID_HANDLE_VALUE) { + ShowError(); +// printf("CreateFile failed: for '%s'\n", path); + continue; + } + + HIDD_ATTRIBUTES attr; + attr.Size = sizeof(attr); + if(!getAttr(UsbHandle, &attr)) { + ShowError(); +// printf("HidD_GetAttributes failed\n"); + continue; + } + +// printf("VID: %04x PID %04x\n", attr.VendorID, attr.ProductID); + + if(attr.VendorID != OUR_VID || attr.ProductID != OUR_PID) { + CloseHandle(UsbHandle); +// printf(" nope, not us\n"); + continue; + } + +// printf ("got it!\n"); + CloseHandle(UsbHandle); + + UsbHandle = CreateFile(path, GENERIC_READ | GENERIC_WRITE, + FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, + FILE_FLAG_OVERLAPPED, NULL); + + if(UsbHandle == INVALID_HANDLE_VALUE) { + ShowError(); +// printf("Error, couldn't open our own handle as desired.\n"); + return FALSE; + } + + PHIDP_PREPARSED_DATA pp; + getPreparsed(UsbHandle, &pp); + HIDP_CAPS caps; + + if(getCaps(pp, &caps) != HIDP_STATUS_SUCCESS) { +// printf("getcaps failed\n"); + return FALSE; + } + +// printf("input/out report %d/%d\n", caps.InputReportByteLength, +// caps.OutputReportByteLength); + + + return TRUE; + } + return FALSE; +} + +BOOL ReceiveCommandPoll(UsbCommand *c) +{ + static BOOL ReadInProgress = FALSE; + static OVERLAPPED Ov; + static BYTE Buf[65]; + static DWORD HaveRead; + + if(!ReadInProgress) { + memset(&Ov, 0, sizeof(Ov)); + ReadFile(UsbHandle, Buf, 65, &HaveRead, &Ov); + if(GetLastError() != ERROR_IO_PENDING) { + ShowError(); + exit(-1); + } + ReadInProgress = TRUE; + } + + if(HasOverlappedIoCompleted(&Ov)) { + ReadInProgress = FALSE; + + if(!GetOverlappedResult(UsbHandle, &Ov, &HaveRead, FALSE)) { + ShowError(); + exit(-1); + } + + memcpy(c, Buf+1, 64); + + return TRUE; + } else { + return FALSE; + } +} + +void ReceiveCommand(UsbCommand *c) +{ + while(!ReceiveCommandPoll(c)) { + Sleep(0); + } +} + +void SendCommand(UsbCommand *c, BOOL wantAck) +{ + BYTE buf[65]; + buf[0] = 0; + memcpy(buf+1, c, 64); + + DWORD written; + OVERLAPPED ov; + + memset(&ov, 0, sizeof(ov)); + WriteFile(UsbHandle, buf, 65, &written, &ov); + if(GetLastError() != ERROR_IO_PENDING) { + ShowError(); + exit(-1); + } + + while(!HasOverlappedIoCompleted(&ov)) { + Sleep(0); + } + + if(!GetOverlappedResult(UsbHandle, &ov, &written, FALSE)) { + ShowError(); + exit(-1); + } + + if(wantAck) { + UsbCommand ack; + ReceiveCommand(&ack); + if(ack.cmd != CMD_ACK) { + printf("bad ACK\n"); + exit(-1); + } + } +} + +static DWORD ExpectedAddr; +static BYTE QueuedToSend[256]; +static BOOL AllWritten; +#define PHYSICAL_FLASH_START 0x100000 + +struct partition { + int start; + int end; + int precious; + const char *name; +}; +struct partition partitions[] = { + {0x100000, 0x102000, 1, "bootrom"}, + {0x102000, 0x110000, 0, "fpga"}, + {0x110000, 0x140000, 0, "os"}, +}; + +/* If translate is set, subtract PHYSICAL_FLASH_START to translate for old + * bootroms. + */ +static void FlushPrevious(int translate) +{ + UsbCommand c; + memset(&c, 0, sizeof(c)); + +// printf("expected = %08x flush, ", ExpectedAddr); + + int i; + for(i = 0; i < 240; i += 48) { + c.cmd = CMD_SETUP_WRITE; + memcpy(c.d.asBytes, QueuedToSend+i, 48); + c.ext1 = (i/4); + SendCommand(&c, TRUE); + } + + c.cmd = CMD_FINISH_WRITE; + c.ext1 = (ExpectedAddr-1) & (~255); + if(translate) { + c.ext1 -= PHYSICAL_FLASH_START; + } + printf("Flashing address: %08x\r", c.ext1); + memcpy(c.d.asBytes, QueuedToSend+240, 16); + SendCommand(&c, TRUE); + + AllWritten = TRUE; +} + +/* Where must be between start_addr (inclusive) and end_addr (exclusive). + */ +static void GotByte(int where, BYTE which, int start_addr, int end_addr, int translate) +{ + AllWritten = FALSE; + + if(where < start_addr || where >= end_addr) { + printf("bad: got byte at %08x, outside of range %08x-%08x\n", where, start_addr, end_addr); + exit(-1); + } + + if(where != ExpectedAddr) { + printf("bad: got at %08x, expected at %08x\n", where, ExpectedAddr); + exit(-1); + } + QueuedToSend[where & 255] = which; + ExpectedAddr++; + + if((where & 255) == 255) { + // we have completed a full page + FlushPrevious(translate); + } +} + +static int HexVal(int c) +{ + c = tolower(c); + if(c >= '0' && c <= '9') { + return c - '0'; + } else if(c >= 'a' && c <= 'f') { + return (c - 'a') + 10; + } else { + printf("bad hex digit '%c'\n", c); + exit(-1); + } +} + +static BYTE HexByte(char *s) +{ + return (HexVal(s[0]) << 4) | HexVal(s[1]); +} + +static void LoadFlashFromSRecords(const char *file, int start_addr, int end_addr, int translate) +{ + ExpectedAddr = start_addr; + + FILE *f = fopen(file, "r"); + if(!f) { + printf("couldn't open file\n"); + exit(-1); + } + + char line[512]; + while(fgets(line, sizeof(line), f)) { + if(memcmp(line, "S3", 2)==0) { + char *s = line + 2; + int len = HexByte(s) - 5; + s += 2; + + char addrStr[9]; + memcpy(addrStr, s, 8); + addrStr[8] = '\0'; + DWORD addr; + sscanf(addrStr, "%x", &addr); + s += 8; + + /* Accept files that are located at PHYSICAL_FLASH_START, and files that are located at 0 */ + if(addr < PHYSICAL_FLASH_START) + addr += PHYSICAL_FLASH_START; + + int i; + for(i = 0; i < len; i++) { + while((addr+i) > ExpectedAddr) { + GotByte(ExpectedAddr, 0xff, start_addr, end_addr, translate); + } + GotByte(addr+i, HexByte(s), start_addr, end_addr, translate); + s += 2; + } + } + } + + if(!AllWritten) FlushPrevious(translate); + + fclose(f); + printf("\ndone.\n"); +} + +static int PrepareFlash(struct partition *p, const char *filename, unsigned int state) +{ + int translate = 0; + if(state & DEVICE_INFO_FLAG_UNDERSTANDS_START_FLASH) { + UsbCommand c; + c.cmd = CMD_START_FLASH; + c.ext1 = p->start; + c.ext2 = p->end; + + /* Only send magic when flashing bootrom */ + if(p->precious) { + c.ext3 = START_FLASH_MAGIC; + } else { + c.ext3 = 0; + } + SendCommand(&c, TRUE); + translate = 0; + } else { + fprintf(stderr, "Warning: Your bootloader does not understand the new START_FLASH command\n"); + fprintf(stderr, " It is recommended that you update your bootloader\n\n"); + translate = 1; + } + + LoadFlashFromSRecords(filename, p->start, p->end, translate); + return 1; +} + +static unsigned int GetProxmarkState(void) +{ + unsigned int state = 0; + + UsbCommand c; + c.cmd = CMD_DEVICE_INFO; + SendCommand(&c, FALSE); + + UsbCommand resp; + ReceiveCommand(&resp); + /* Three cases: + * 1. The old bootrom code will ignore CMD_DEVICE_INFO, but respond with an ACK + * 2. The old os code will respond with CMD_DEBUG_PRINT_STRING and "unknown command" + * 3. The new bootrom and os codes will respond with CMD_DEVICE_INFO and flags + */ + + switch(resp.cmd) { + case CMD_ACK: + state = DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM; + break; + case CMD_DEBUG_PRINT_STRING: + state = DEVICE_INFO_FLAG_CURRENT_MODE_OS; + break; + case CMD_DEVICE_INFO: + state = resp.ext1; + break; + default: + fprintf(stderr, "Couldn't get proxmark state, bad response type: 0x%04X\n", resp.cmd); + exit(-1); + break; + } + +#if 0 + if(state & DEVICE_INFO_FLAG_BOOTROM_PRESENT) printf("New bootrom present\n"); + if(state & DEVICE_INFO_FLAG_OSIMAGE_PRESENT) printf("New osimage present\n"); + if(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) printf("Currently in bootrom\n"); + if(state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) printf("Currently in OS\n"); +#endif + + return state; +} + +static unsigned int EnterFlashState(void) +{ + unsigned int state = GetProxmarkState(); + + if(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) { + /* Already in flash state, we're done. */ + return state; + } + + if(state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) { + fprintf(stderr,"Entering flash-mode...\n"); + UsbCommand c; + bzero(&c, sizeof(c)); + + if( (state & DEVICE_INFO_FLAG_BOOTROM_PRESENT) && (state & DEVICE_INFO_FLAG_OSIMAGE_PRESENT) ) { + /* New style handover: Send CMD_START_FLASH, which will reset the board and + * enter the bootrom on the next boot. + */ + c.cmd = CMD_START_FLASH; + SendCommand(&c, FALSE); + fprintf(stderr,"(You don't have to do anything. Press and release the button only if you want to abort)\n"); + fprintf(stderr,"Waiting for Proxmark to reappear on USB... "); + } else { + /* Old style handover: Ask the user to press the button, then reset the board */ + c.cmd = CMD_HARDWARE_RESET; + SendCommand(&c, FALSE); + fprintf(stderr,"(Press and hold down button NOW if your bootloader requires it)\n"); + fprintf(stderr,"Waiting for Proxmark to reappear on USB... "); + } + + + Sleep(1000); + + while(!UsbConnect()) { Sleep(1000); } + fprintf(stderr,"Found.\n"); + + return GetProxmarkState(); + } + + return 0; +} + +static void usage(char **argv) +{ + int i; + printf("Usage: %s gui\n", argv[0]); + printf(" %s offline\n", argv[0]); + printf(" %s areas file.s19\n", argv[0]); + printf(" Known areas are:"); + for(i=0; i<(sizeof(partitions)/sizeof(partitions[0])); i++) { + fprintf(stderr, " %s", partitions[i].name); + } + + printf("\n"); +} + +/* On first call, have *offset = -1, *length = 0; */ +static int find_next_area(char *str, int *offset, int *length) +{ + if(*str == '\0') return 0; + if((*offset >= 0) && str[*offset + *length] == '\0') return 0; + *offset += 1 + *length; + + char *next_comma = strchr(str + *offset, ','); + if(next_comma == NULL) { + *length = strlen(str) - *offset; + } else { + *length = next_comma-(str+*offset); + } + return 1; +} + +int main(int argc, char **argv) +{ + int i = 0; + + if(argc < 2) { + usage(argv); + exit(-1); + } + + // Only do this if NOT in offline mode + if (strcmp(argv[1], "offline")) + { + for(;;) { + if(UsbConnect()) { + break; + } + if(i == 0) { + printf("...no device connected, polling for it now\n"); + } + if(i > 50000) { + printf("Could not connect to USB device; exiting.\n"); + return -1; + } + i++; + Sleep(5); + } + } + + if(strcmp(argv[1], "gui")==0) { + ShowGui(); + } else if(strcmp(argv[1], "offline")==0) { + offline = 1; + ShowGui(); + } + + /* Count area arguments */ + int areas = 0, offset=-1, length=0; + while(find_next_area(argv[1], &offset, &length)) areas++; + + if(areas != argc - 2) { + usage(argv); + exit(-1); + } + + unsigned int state = EnterFlashState(); + + if( !(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) ) { + fprintf(stderr, "Proxmark would not enter flash state, abort\n"); + exit(-1); + } + + offset=-1; length=0; + int current_area = 0; + while(find_next_area(argv[1], &offset, &length)) { + int i; + struct partition *p = NULL; + for(i=0; iname, argv[2+current_area]); + PrepareFlash(p, argv[2+current_area], state); + } + current_area++; + } + + return 0; +}