X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/afdcb8c159a73aba95a017f1cfec98e8fa2b93c1..d2ca5dbfe8def88a3d03493524854a79a2b462a1:/client/flash.c diff --git a/client/flash.c b/client/flash.c index bf01b911..f3d2f420 100644 --- a/client/flash.c +++ b/client/flash.c @@ -13,7 +13,6 @@ #include #include #include - #include "proxmark3.h" #include "util.h" #include "util_posix.h" @@ -23,9 +22,6 @@ #include "usb_cmd.h" #include "comms.h" -// FIXME: what the fuckity fuck -unsigned int current_command = CMD_UNKNOWN; - #define FLASH_START 0x100000 #define FLASH_SIZE (256*1024) #define FLASH_END (FLASH_START + FLASH_SIZE) @@ -41,35 +37,10 @@ static const uint8_t elf_ident[] = { EV_CURRENT }; -void CloseProxmark(receiver_arg* conn, char* serial_port_name) { - pthread_mutex_lock(&conn->recv_lock); - - // Block the port from being used by anything - serial_port* my_port = GetSerialPort(); - SetSerialPort(NULL); - - // Then close the port. - uart_close(my_port); - pthread_mutex_unlock(&conn->recv_lock); - - // Fix for linux, it seems that it is extremely slow to release the serial port file descriptor /dev/* - unlink(serial_port_name); -} - -bool OpenProxmark(char* serial_port_name) { - serial_port *new_port = uart_open(serial_port_name); - if (new_port == INVALID_SERIAL_PORT || new_port == CLAIMED_SERIAL_PORT) { - //poll once a second - return false; - } - - SetSerialPort(new_port); - return true; -} // Turn PHDRs into flasher segments, checking for PHDR sanity and merging adjacent // unaligned segments if needed -static int build_segs_from_phdrs(flash_file_t *ctx, FILE *fd, Elf32_Phdr *phdrs, int num_phdrs) +static int build_segs_from_phdrs(flash_file_t *ctx, FILE *fd, Elf32_Phdr *phdrs, uint16_t num_phdrs) { Elf32_Phdr *phdr = phdrs; flash_seg_t *seg; @@ -214,13 +185,13 @@ static int check_segs(flash_file_t *ctx, int can_write_bl) { return 0; } + // Load an ELF file and prepare it for flashing -int flash_load(flash_file_t *ctx, const char *name, int can_write_bl) -{ +int flash_load(flash_file_t *ctx, const char *name, bool can_write_bl) { FILE *fd = NULL; Elf32_Ehdr ehdr; Elf32_Phdr *phdrs = NULL; - int num_phdrs; + uint16_t num_phdrs; int res; fd = fopen(name, "rb"); @@ -296,17 +267,14 @@ fail: return -1; } + // Get the state of the proxmark, backwards compatible -static int get_proxmark_state(uint32_t *state) -{ - UsbCommand c; +static int get_proxmark_state(uint32_t *state) { + UsbCommand c = {0}; c.cmd = CMD_DEVICE_INFO; SendCommand(&c); UsbCommand resp; - while (!WaitForResponse(CMD_ANY, &resp)) { - // Keep waiting for a response - msleep(100); - } + WaitForResponse(CMD_UNKNOWN, &resp); // wait for any response. No timeout. // Three outcomes: // 1. The old bootrom code will ignore CMD_DEVICE_INFO, but respond with an ACK @@ -332,9 +300,9 @@ static int get_proxmark_state(uint32_t *state) return 0; } + // Enter the bootloader to be able to start flashing -static int enter_bootloader(receiver_arg* conn, char *serial_port_name) -{ +static int enter_bootloader(char *serial_port_name) { uint32_t state; if (get_proxmark_state(&state) < 0) @@ -346,7 +314,7 @@ static int enter_bootloader(receiver_arg* conn, char *serial_port_name) } if (state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) { - fprintf(stderr,"Entering bootloader...\n"); + fprintf(stderr, "Entering bootloader...\n"); UsbCommand c; memset(&c, 0, sizeof (c)); @@ -364,43 +332,44 @@ static int enter_bootloader(receiver_arg* conn, char *serial_port_name) SendCommand(&c); fprintf(stderr,"Press and hold down button NOW if your bootloader requires it.\n"); } - + msleep(100); - CloseProxmark(conn, serial_port_name); + CloseProxmark(); - fprintf(stderr,"Waiting for Proxmark to reappear on %s",serial_port_name); - do { - sleep(1); - fprintf(stderr, "."); - } while (!OpenProxmark(serial_port_name)); - - fprintf(stderr," Found.\n"); - return 0; + msleep(1000); // wait for OS to detect device disconnect. + + bool opened = OpenProxmark(serial_port_name, true, 120); // wait for 2 minutes + if (opened) { + fprintf(stderr," Found.\n"); + return 0; + } else { + fprintf(stderr,"Error: Proxmark not found.\n"); + return -1; + } } fprintf(stderr, "Error: Unknown Proxmark mode\n"); return -1; } -static int wait_for_ack() + +static int wait_for_ack(void) { - UsbCommand resp; - while (!WaitForResponse(CMD_ANY, &resp)) { - msleep(100); - } - if (resp.cmd != CMD_ACK) { - printf("Error: Unexpected reply 0x%04" PRIx64 " (expected ACK)\n", resp.cmd); + UsbCommand ack; + WaitForResponse(CMD_UNKNOWN, &ack); + if (ack.cmd != CMD_ACK) { + printf("Error: Unexpected reply 0x%04" PRIx64 " (expected ACK)\n", ack.cmd); return -1; } return 0; } + // Go into flashing mode -int flash_start_flashing(receiver_arg* conn, int enable_bl_writes,char *serial_port_name) +int flash_start_flashing(int enable_bl_writes,char *serial_port_name) { uint32_t state; - - if (enter_bootloader(conn, serial_port_name) < 0) + if (enter_bootloader(serial_port_name) < 0) return -1; if (get_proxmark_state(&state) < 0) @@ -436,12 +405,12 @@ static int write_block(uint32_t address, uint8_t *data, uint32_t length) memset(block_buf, 0xFF, BLOCK_SIZE); memcpy(block_buf, data, length); - UsbCommand c; + UsbCommand c; c.cmd = CMD_FINISH_WRITE; c.arg[0] = address; memcpy(c.d.asBytes, block_buf, length); - SendCommand(&c); - return wait_for_ack(); + SendCommand(&c); + return wait_for_ack(); } // Write a file's segments to Flash @@ -499,7 +468,7 @@ void flash_free(flash_file_t *ctx) } // just reset the unit -int flash_stop_flashing() { +int flash_stop_flashing(void) { UsbCommand c = {CMD_HARDWARE_RESET}; SendCommand(&c); msleep(100);