X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/1e1b3030933e49358d49a0d10a8792d95e672f11..7fe9b0b742d7dae9c5af1d292d11840b5c3cbfae:/client/prox.c diff --git a/client/prox.c b/client/prox.c index 94343ff0..7add1976 100644 --- a/client/prox.c +++ b/client/prox.c @@ -10,6 +10,7 @@ //} #include "prox.h" +#include "flash.h" #define OUR_VID 0x9ac4 #define OUR_PID 0x4b8f @@ -18,6 +19,7 @@ int offline = 0; HANDLE UsbHandle; extern unsigned int current_command; +extern struct partition partitions[]; static void ShowError(void) { @@ -27,7 +29,7 @@ static void ShowError(void) printf("ERROR: %s", buf); } -static BOOL UsbConnect(void) +BOOL UsbConnect(void) { typedef void (__stdcall *GetGuidProc)(GUID *); typedef BOOLEAN (__stdcall *GetAttrProc)(HANDLE, HIDD_ATTRIBUTES *); @@ -216,293 +218,20 @@ void SendCommand(UsbCommand *c) current_command = c->cmd; } -void WaitForAck(void) { - UsbCommand ack; - ReceiveCommand(&ack); - if(ack.cmd != CMD_ACK) { - printf("bad ACK\n"); - exit(-1); - } -} - -static unsigned int 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.arg[0] = (i/4); - SendCommand(&c); - WaitForAck(); - } - - c.cmd = CMD_FINISH_WRITE; - c.arg[0] = (ExpectedAddr-1) & (~255); - if(translate) { - c.arg[0] -= PHYSICAL_FLASH_START; - } - printf("Flashing address: %08x\r", c.arg[0]); - memcpy(c.d.asBytes, QueuedToSend+240, 16); - SendCommand(&c); - WaitForAck(); - - 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'; - unsigned int 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.arg[0] = p->start; - c.arg[1] = p->end; - - /* Only send magic when flashing bootrom */ - if(p->precious) { - c.arg[2] = START_FLASH_MAGIC; - } else { - c.arg[2] = 0; - } - SendCommand(&c); - WaitForAck(); - 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); - - 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.arg[0]; - 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); - 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); - 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(" %s areas file.elf\n", argv[0]); printf(" Known areas are:"); - for(i=0; i<(sizeof(partitions)/sizeof(partitions[0])); i++) { + for(i=0; partitions[i].name != NULL; 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; @@ -547,40 +276,6 @@ int main(int argc, char **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++; - } - + do_flash(argv); return 0; }