//----------------------------------------------------------------------------- // Copyright (C) Proxmark3 contributors. See AUTHORS.md for details. // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // See LICENSE.txt for the text of the license. //----------------------------------------------------------------------------- // ELF file flasher //----------------------------------------------------------------------------- #include "flash.h" #include #include #include #include #include "ui.h" #include "elf.h" #include "proxendian.h" #include "at91sam7s512.h" #include "util_posix.h" #include "comms.h" #include "commonutil.h" #include "fileutils.h" #define FLASH_START 0x100000 #define BOOTLOADER_SIZE 0x2000 #define BOOTLOADER_END (FLASH_START + BOOTLOADER_SIZE) #define BLOCK_SIZE 0x200 #define FLASHER_VERSION BL_VERSION_1_0_0 static const uint8_t elf_ident[] = { 0x7f, 'E', 'L', 'F', ELFCLASS32, ELFDATA2LSB, EV_CURRENT }; static int chipid_to_mem_avail(uint32_t iChipID) { int mem_avail = 0; switch ((iChipID & 0xF00) >> 8) { case 0: mem_avail = 0; break; case 1: mem_avail = 8; break; case 2: mem_avail = 16; break; case 3: mem_avail = 32; break; case 5: mem_avail = 64; break; case 7: mem_avail = 128; break; case 9: mem_avail = 256; break; case 10: mem_avail = 512; break; case 12: mem_avail = 1024; break; case 14: mem_avail = 2048; } return mem_avail; } // 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, uint32_t flash_size) { uint32_t flash_end = FLASH_START + flash_size; Elf32_Phdr_t *phdr = ctx->phdrs; flash_seg_t *seg; uint32_t last_end = 0; ctx->segments = calloc(sizeof(flash_seg_t) * ctx->num_phdrs, sizeof(uint8_t)); if (!ctx->segments) { PrintAndLogEx(ERR, "Out of memory"); return PM3_EMALLOC; } ctx->num_segs = 0; seg = ctx->segments; PrintAndLogEx(SUCCESS, "Loading usable ELF segments:"); for (int i = 0; i < ctx->num_phdrs; i++) { if (le32(phdr->p_type) != PT_LOAD) { phdr++; continue; } uint32_t vaddr = le32(phdr->p_vaddr); uint32_t paddr = le32(phdr->p_paddr); uint32_t filesz = le32(phdr->p_filesz); uint32_t memsz = le32(phdr->p_memsz); uint32_t offset = le32(phdr->p_offset); uint32_t flags = le32(phdr->p_flags); if (!filesz) { phdr++; continue; } PrintAndLogEx(SUCCESS, " "_YELLOW_("%d")": V 0x%08x P 0x%08x (0x%08x->0x%08x) [%c%c%c] @0x%x", i, vaddr, paddr, filesz, memsz, (flags & PF_R) ? 'R' : ' ', (flags & PF_W) ? 'W' : ' ', (flags & PF_X) ? 'X' : ' ', offset); if (filesz != memsz) { PrintAndLogEx(ERR, "Error: PHDR file size does not equal memory size\n" "(DATA+BSS PHDRs do not make sense on ROM platforms!)"); return PM3_EFILE; } if (paddr < last_end) { PrintAndLogEx(ERR, "Error: PHDRs not sorted or overlap"); return PM3_EFILE; } if (paddr < FLASH_START || (paddr + filesz) > flash_end) { PrintAndLogEx(ERR, "Error: PHDR is not contained in Flash"); if ((paddr + filesz) > flash_end) { PrintAndLogEx(ERR, "Firmware is probably too big for your device"); PrintAndLogEx(ERR, "See README.md for information on compiling for platforms with 256KB of flash memory"); } return PM3_EFILE; } if (vaddr >= FLASH_START && vaddr < flash_end && (flags & PF_W)) { PrintAndLogEx(ERR, "Error: Flash VMA segment is writable"); return PM3_EFILE; } uint8_t *data; // make extra space if we need to move the data forward data = calloc(filesz + BLOCK_SIZE, sizeof(uint8_t)); if (!data) { PrintAndLogEx(ERR, "Error: Out of memory"); return PM3_EMALLOC; } memcpy(data, ctx->elf + offset, filesz); uint32_t block_offset = paddr & (BLOCK_SIZE - 1); if (block_offset) { if (ctx->num_segs) { flash_seg_t *prev_seg = seg - 1; uint32_t this_end = paddr + filesz; uint32_t this_firstblock = paddr & ~(BLOCK_SIZE - 1); uint32_t prev_lastblock = (last_end - 1) & ~(BLOCK_SIZE - 1); if (this_firstblock == prev_lastblock) { uint32_t new_length = this_end - prev_seg->start; uint32_t this_offset = paddr - prev_seg->start; uint32_t hole = this_offset - prev_seg->length; uint8_t *new_data = calloc(new_length, sizeof(uint8_t)); if (!new_data) { PrintAndLogEx(ERR, "Error: Out of memory"); free(data); return PM3_EMALLOC; } memset(new_data, 0xff, new_length); memcpy(new_data, prev_seg->data, prev_seg->length); memcpy(new_data + this_offset, data, filesz); PrintAndLogEx(INFO, "Note: Extending previous segment from 0x%x to 0x%x bytes", prev_seg->length, new_length); if (hole) PrintAndLogEx(INFO, "Note: 0x%x-byte hole created", hole); free(data); free(prev_seg->data); prev_seg->data = new_data; prev_seg->length = new_length; last_end = this_end; phdr++; continue; } } PrintAndLogEx(WARNING, "Warning: segment does not begin on a block boundary, will pad"); memmove(data + block_offset, data, filesz); memset(data, 0xFF, block_offset); filesz += block_offset; paddr -= block_offset; } seg->data = data; seg->start = paddr; seg->length = filesz; seg++; ctx->num_segs++; last_end = paddr + filesz; phdr++; } return PM3_SUCCESS; } // Sanity check segments and check for bootloader writes static int check_segs(flash_file_t *ctx, int can_write_bl, uint32_t flash_size) { uint32_t flash_end = FLASH_START + flash_size; for (int i = 0; i < ctx->num_segs; i++) { flash_seg_t *seg = &ctx->segments[i]; if (seg->start & (BLOCK_SIZE - 1)) { PrintAndLogEx(ERR, "Error: Segment is not aligned"); return PM3_EFILE; } if (seg->start < FLASH_START) { PrintAndLogEx(ERR, "Error: Segment is outside of flash bounds"); return PM3_EFILE; } if (seg->start + seg->length > flash_end) { PrintAndLogEx(ERR, "Error: Segment is outside of flash bounds"); return PM3_EFILE; } if (!can_write_bl && seg->start < BOOTLOADER_END) { PrintAndLogEx(ERR, "Attempted to write bootloader but bootloader writes are not enabled"); return PM3_EINVARG; } if (can_write_bl && seg->start < BOOTLOADER_END && (seg->start + seg->length > BOOTLOADER_END)) { PrintAndLogEx(ERR, "Error: Segment is outside of bootloader bounds"); return PM3_EFILE; } } return PM3_SUCCESS; } static int print_and_validate_version(struct version_information_t *vi) { if (vi->magic != VERSION_INFORMATION_MAGIC) { return PM3_EFILE; } // same limit as for ARM image char temp[PM3_CMD_DATA_SIZE - 12] = {0}; FormatVersionInformation(temp, sizeof(temp), "", vi); PrintAndLogEx(SUCCESS, _CYAN_("ELF file version") _YELLOW_(" %s"), temp); if (strlen(g_version_information.armsrc) == 9) { if (strncmp(vi->armsrc, g_version_information.armsrc, 9) != 0) { PrintAndLogEx(WARNING, _RED_("ARM firmware does not match the source at the time the client was compiled")); return PM3_EINVARG; } else { return PM3_SUCCESS; } } return PM3_EUNDEF; } // Load an ELF file for flashing int flash_load(flash_file_t *ctx, bool force) { FILE *fd; Elf32_Ehdr_t *ehdr; Elf32_Shdr_t *shdrs = NULL; uint8_t *shstr = NULL; struct version_information_t *vi = NULL; int res = PM3_EUNDEF; fd = fopen(ctx->filename, "rb"); if (fd == NULL) { PrintAndLogEx(ERR, _RED_("Could not open file") " %s >>> ", ctx->filename); res = PM3_EFILE; goto fail; } PrintAndLogEx(SUCCESS, _CYAN_("Loading ELF file") _YELLOW_(" %s"), ctx->filename); // get filesize in order to malloc memory fseek(fd, 0, SEEK_END); long fsize = ftell(fd); fseek(fd, 0, SEEK_SET); if (fsize <= 0) { PrintAndLogEx(ERR, "Error, when getting filesize"); res = PM3_EFILE; fclose(fd); goto fail; } ctx->elf = calloc(fsize + 1, sizeof(uint8_t)); if (ctx->elf == NULL) { PrintAndLogEx(WARNING, "Failed to allocate memory"); res = PM3_EMALLOC; fclose(fd); goto fail; } size_t bytes_read = fread(ctx->elf, 1, fsize, fd); fclose(fd); if (bytes_read != fsize) { PrintAndLogEx(ERR, "Error, bytes read mismatch file size"); res = PM3_EFILE; goto fail; } ehdr = (Elf32_Ehdr_t *)ctx->elf; if (memcmp(ehdr->e_ident, elf_ident, sizeof(elf_ident)) || le32(ehdr->e_version) != 1) { PrintAndLogEx(ERR, "Not an ELF file or wrong ELF type"); res = PM3_EFILE; goto fail; } if (le16(ehdr->e_type) != ET_EXEC) { PrintAndLogEx(ERR, "ELF is not executable"); res = PM3_EFILE; goto fail; } if (le16(ehdr->e_machine) != EM_ARM) { PrintAndLogEx(ERR, "Wrong ELF architecture"); res = PM3_EFILE; goto fail; } if (!ehdr->e_phnum || !ehdr->e_phoff) { PrintAndLogEx(ERR, "ELF has no PHDRs"); res = PM3_EFILE; goto fail; } if (le16(ehdr->e_phentsize) != sizeof(Elf32_Phdr_t)) { // could be a structure padding issue... PrintAndLogEx(ERR, "Either the ELF file or this code is made of fail"); res = PM3_EFILE; goto fail; } ctx->num_phdrs = le16(ehdr->e_phnum); ctx->phdrs = (Elf32_Phdr_t *)(ctx->elf + le32(ehdr->e_phoff)); shdrs = (Elf32_Shdr_t *)(ctx->elf + le32(ehdr->e_shoff)); shstr = ctx->elf + le32(shdrs[ehdr->e_shstrndx].sh_offset); for (uint16_t i = 0; i < le16(ehdr->e_shnum); i++) { if (strcmp(((char *)shstr) + shdrs[i].sh_name, ".version_information") == 0) { vi = (struct version_information_t *)(ctx->elf + le32(shdrs[i].sh_offset)); res = print_and_validate_version(vi); break; } if (strcmp(((char *)shstr) + shdrs[i].sh_name, ".bootphase1") == 0) { uint32_t offset; memcpy(&offset, ctx->elf + le32(shdrs[i].sh_offset) + le32(shdrs[i].sh_size) - 4, sizeof(uint32_t)); if (offset >= le32(shdrs[i].sh_addr)) { offset -= le32(shdrs[i].sh_addr); if (offset < le32(shdrs[i].sh_size)) { vi = (struct version_information_t *)(ctx->elf + le32(shdrs[i].sh_offset) + offset); res = print_and_validate_version(vi); } } break; } } if (res == PM3_SUCCESS) return res; // We could not find proper version_information if (res == PM3_EUNDEF) PrintAndLogEx(WARNING, "Unable to check version_information"); if (force) return PM3_SUCCESS; PrintAndLogEx(INFO, "Make sure to flash a correct and up-to-date version"); PrintAndLogEx(INFO, "You can force flashing this firmware by using the option '--force'"); fail: flash_free(ctx); return res; } // Prepare an ELF file for flashing int flash_prepare(flash_file_t *ctx, int can_write_bl, int flash_size) { int res = PM3_EUNDEF; res = build_segs_from_phdrs(ctx, flash_size); if (res != PM3_SUCCESS) goto fail; res = check_segs(ctx, can_write_bl, flash_size); if (res != PM3_SUCCESS) goto fail; return PM3_SUCCESS; fail: flash_free(ctx); return res; } // Get the state of the proxmark, backwards compatible static int get_proxmark_state(uint32_t *state) { SendCommandBL(CMD_DEVICE_INFO, 0, 0, 0, NULL, 0); PacketResponseNG resp; 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 // 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.oldarg[0]; break; default: PrintAndLogEx(ERR, _RED_("Error:") " Couldn't get Proxmark3 state, bad response type: 0x%04x", resp.cmd); return PM3_EFATAL; break; } return PM3_SUCCESS; } // Enter the bootloader to be able to start flashing static int enter_bootloader(char *serial_port_name, bool wait_appear) { uint32_t state = 0; int ret = get_proxmark_state(&state); if (ret != PM3_SUCCESS) { return ret; } /* Already in flash state, we're done. */ if ((state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) == DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) { return PM3_SUCCESS; } if ((state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) == DEVICE_INFO_FLAG_CURRENT_MODE_OS) { PrintAndLogEx(SUCCESS, _CYAN_("Entering bootloader...")); if ( ((state & DEVICE_INFO_FLAG_BOOTROM_PRESENT) == DEVICE_INFO_FLAG_BOOTROM_PRESENT) && ((state & DEVICE_INFO_FLAG_OSIMAGE_PRESENT) == 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. SendCommandBL(CMD_START_FLASH, 0, 0, 0, NULL, 0); PrintAndLogEx(SUCCESS, "(Press and release the button only to " _YELLOW_("abort") ")"); } else { // Old style handover: Ask the user to press the button, then reset the board SendCommandBL(CMD_HARDWARE_RESET, 0, 0, 0, NULL, 0); PrintAndLogEx(SUCCESS, "Press and hold down button NOW if your bootloader requires it."); } msleep(500); PrintAndLogEx(SUCCESS, _CYAN_("Trigger restart...")); CloseProxmark(g_session.current_device); // Let time to OS to make the port disappear msleep(1000); if (wait_appear == false) { return PM3_SUCCESS; } else if (OpenProxmark(&g_session.current_device, serial_port_name, true, 60, true, FLASHMODE_SPEED)) { PrintAndLogEx(NORMAL, _GREEN_(" found")); return PM3_SUCCESS; } else { PrintAndLogEx(ERR, _RED_("Error:") " Proxmark3 not found."); return PM3_ETIMEOUT; } } PrintAndLogEx(ERR, _RED_("Error:") " Unknown Proxmark3 mode"); return PM3_EFATAL; } static int wait_for_ack(PacketResponseNG *ack) { WaitForResponse(CMD_UNKNOWN, ack); if (ack->cmd != CMD_ACK) { PrintAndLogEx(ERR, "Error: Unexpected reply 0x%04x %s (expected ACK)", ack->cmd, (ack->cmd == CMD_NACK) ? "NACK" : "" ); return PM3_ESOFT; } return PM3_SUCCESS; } static bool gs_printed_msg = false; static void flash_suggest_update_bootloader(void) { if (gs_printed_msg) { return; } PrintAndLogEx(ERR, _RED_("It is recommended that you first" _YELLOW_(" update your bootloader") _RED_(" alone,"))); PrintAndLogEx(ERR, _RED_("reboot the Proxmark3 then only update the main firmware") "\n"); PrintAndLogEx(NORMAL, ""); PrintAndLogEx(ERR, "------------- " _CYAN_("Follow these steps") " -------------------"); PrintAndLogEx(NORMAL, ""); PrintAndLogEx(ERR, " 1) ./pm3-flash-bootrom"); PrintAndLogEx(ERR, " 2) ./pm3-flash-fullimage"); PrintAndLogEx(ERR, " 3) ./pm3"); PrintAndLogEx(NORMAL, ""); PrintAndLogEx(INFO, "---------------------------------------------------"); PrintAndLogEx(NORMAL, ""); gs_printed_msg = true; } static void flash_suggest_update_flasher(void) { PrintAndLogEx(ERR, _RED_("It is recommended that you first " _YELLOW_("update your flasher"))); } // Go into flashing mode int flash_start_flashing(int enable_bl_writes, char *serial_port_name, uint32_t *max_allowed) { int ret = enter_bootloader(serial_port_name, true); if (ret != PM3_SUCCESS) { return ret; } uint32_t state; ret = get_proxmark_state(&state); if (ret != PM3_SUCCESS) { return ret; } uint32_t chipinfo = 0; if ((state & DEVICE_INFO_FLAG_UNDERSTANDS_CHIP_INFO) == DEVICE_INFO_FLAG_UNDERSTANDS_CHIP_INFO) { SendCommandBL(CMD_CHIP_INFO, 0, 0, 0, NULL, 0); PacketResponseNG resp; WaitForResponse(CMD_CHIP_INFO, &resp); chipinfo = resp.oldarg[0]; } int version = BL_VERSION_INVALID; if ((state & DEVICE_INFO_FLAG_UNDERSTANDS_VERSION) == DEVICE_INFO_FLAG_UNDERSTANDS_VERSION) { SendCommandBL(CMD_BL_VERSION, 0, 0, 0, NULL, 0); PacketResponseNG resp; WaitForResponse(CMD_BL_VERSION, &resp); version = resp.oldarg[0]; if ((BL_VERSION_MAJOR(version) < BL_VERSION_FIRST_MAJOR) || (BL_VERSION_MAJOR(version) > BL_VERSION_LAST_MAJOR)) { // version info seems fishy version = BL_VERSION_INVALID; PrintAndLogEx(ERR, _RED_("====================== OBS ! ===========================")); PrintAndLogEx(ERR, _RED_("Note: Your bootloader reported an invalid version number")); flash_suggest_update_bootloader(); // } else if (BL_VERSION_MAJOR(version) < BL_VERSION_MAJOR(FLASHER_VERSION)) { PrintAndLogEx(ERR, _RED_("====================== OBS ! ===================================")); PrintAndLogEx(ERR, _RED_("Note: Your bootloader reported a version older than this flasher")); flash_suggest_update_bootloader(); } else if (BL_VERSION_MAJOR(version) > BL_VERSION_MAJOR(FLASHER_VERSION)) { PrintAndLogEx(ERR, _RED_("====================== OBS ! =========================")); PrintAndLogEx(ERR, _RED_("Note: Your bootloader is more recent than this flasher")); flash_suggest_update_flasher(); } } else { PrintAndLogEx(ERR, _RED_("====================== OBS ! ===========================================")); PrintAndLogEx(ERR, _RED_("Note: Your bootloader does not understand the new" _YELLOW_(" CMD_BL_VERSION") _RED_(" command"))); flash_suggest_update_bootloader(); } uint32_t flash_end = FLASH_START + AT91C_IFLASH_PAGE_SIZE * AT91C_IFLASH_NB_OF_PAGES / 2; *max_allowed = 256; int mem_avail = chipid_to_mem_avail(chipinfo); if (mem_avail != 0) { PrintAndLogEx(INFO, "Available memory on this board: "_YELLOW_("%uK") " bytes\n", mem_avail); if (mem_avail > 256) { if (BL_VERSION_MAJOR(version) < BL_VERSION_MAJOR(BL_VERSION_1_0_0)) { PrintAndLogEx(ERR, _RED_("====================== OBS ! ======================")); PrintAndLogEx(ERR, _RED_("Your bootloader does not support writing above 256k")); flash_suggest_update_bootloader(); } else { flash_end = FLASH_START + AT91C_IFLASH_PAGE_SIZE * AT91C_IFLASH_NB_OF_PAGES; *max_allowed = mem_avail; } } } else { PrintAndLogEx(INFO, "Available memory on this board: "_RED_("UNKNOWN")"\n"); PrintAndLogEx(ERR, _RED_("====================== OBS ! ======================================")); PrintAndLogEx(ERR, _RED_("Note: Your bootloader does not understand the new" _YELLOW_(" CHIP_INFO") _RED_(" command"))); flash_suggest_update_bootloader(); } if (enable_bl_writes) { PrintAndLogEx(INFO, "Permitted flash range: 0x%08x-0x%08x", FLASH_START, flash_end); } else { PrintAndLogEx(INFO, "Permitted flash range: 0x%08x-0x%08x", BOOTLOADER_END, flash_end); } if ((state & DEVICE_INFO_FLAG_UNDERSTANDS_START_FLASH) == DEVICE_INFO_FLAG_UNDERSTANDS_START_FLASH) { if (enable_bl_writes) { SendCommandBL(CMD_START_FLASH, FLASH_START, flash_end, START_FLASH_MAGIC, NULL, 0); } else { SendCommandBL(CMD_START_FLASH, BOOTLOADER_END, flash_end, 0, NULL, 0); } PacketResponseNG resp; return wait_for_ack(&resp); } else { PrintAndLogEx(ERR, _RED_("====================== OBS ! ========================================")); PrintAndLogEx(ERR, _RED_("Note: Your bootloader does not understand the new" _YELLOW_(" START_FLASH") _RED_(" command"))); flash_suggest_update_bootloader(); } return PM3_SUCCESS; } // Reboot into bootloader int flash_reboot_bootloader(char *serial_port_name, bool wait_appear) { return enter_bootloader(serial_port_name, wait_appear); } static int write_block(uint32_t address, uint8_t *data, uint32_t length) { uint8_t block_buf[BLOCK_SIZE]; memset(block_buf, 0xFF, BLOCK_SIZE); memcpy(block_buf, data, length); PacketResponseNG resp; #if defined ICOPYX SendCommandBL(CMD_FINISH_WRITE, address, 0xff, 0x1fd, block_buf, length); #else SendCommandBL(CMD_FINISH_WRITE, address, 0, 0, block_buf, length); #endif int ret = wait_for_ack(&resp); if (ret && resp.oldarg[0]) { uint32_t lock_bits = resp.oldarg[0] >> 16; bool lock_error = resp.oldarg[0] & AT91C_MC_LOCKE; bool prog_error = resp.oldarg[0] & AT91C_MC_PROGE; bool security_bit = resp.oldarg[0] & AT91C_MC_SECURITY; PrintAndLogEx(NORMAL, "%s", lock_error ? " Lock Error" : ""); PrintAndLogEx(NORMAL, "%s", prog_error ? " Invalid Command or bad Keyword" : ""); PrintAndLogEx(NORMAL, "%s", security_bit ? " Security Bit is set!" : ""); PrintAndLogEx(NORMAL, " Lock Bits: 0x%04x", lock_bits); } return ret; } static const char ice[] = "...................................................................\n @@@ @@@@@@@ @@@@@@@@ @@@@@@@@@@ @@@@@@ @@@ @@@\n" " @@! !@@ @@! @@! @@! @@! @@! @@@ @@!@!@@@\n !!@ !@! @!!!:! @!! !!@ @!@ @!@!@!@! @!@@!!@!\n" " !!: :!! !!: !!: !!: !!: !!! !!: !!!\n : :: :: : : :: ::: : : : : : :: : \n" _RED_(" . .. .. . . .. ... . . . . . .. . "); #define ICEMAN_LOGO_FN "iceman.txt" #define ICEMAN_LOGO_SIZE (5000) // Write a file's segments to Flash int flash_write(flash_file_t *ctx) { char ice2[ICEMAN_LOGO_SIZE] = {0}; char ice3[ICEMAN_LOGO_SIZE] = {0}; bool is_loaded = false; if (g_session.supports_colors) { uint8_t *iraw = NULL; size_t irawlen = 0; int res = loadFile_safeEx(ICEMAN_LOGO_FN, "", (void **)&iraw, &irawlen, false); if (res == PM3_SUCCESS && irawlen > ICEMAN_LOGO_SIZE) { irawlen = ICEMAN_LOGO_SIZE; } if (res == PM3_SUCCESS) { memcpy(ice3, iraw, irawlen); free(iraw); is_loaded = true; } } if (is_loaded == false) { memcpy_filter_ansi(ice2, ice, sizeof(ice), !g_session.supports_colors); memcpy_filter_emoji(ice3, ice2, sizeof(ice2), g_session.emoji_mode); } size_t ice3len = strlen(ice3); PrintAndLogEx(SUCCESS, "Writing segments for file: %s", ctx->filename); int len = 0; for (int i = 0; i < ctx->num_segs; i++) { flash_seg_t *seg = &ctx->segments[i]; uint32_t length = seg->length; uint32_t blocks = (length + BLOCK_SIZE - 1) / BLOCK_SIZE; uint32_t end = seg->start + length; PrintAndLogEx(SUCCESS, " 0x%08x..0x%08x [0x%x / %u blocks]", seg->start, end - 1, length, blocks); if (is_loaded) { if (blocks < 50) { PrintAndLogEx(SUCCESS, "" NOLF); } else { fprintf(stdout, "\n\n"); } } fflush(stdout); int block = 0; uint8_t *data = seg->data; uint32_t baddr = seg->start; while (length) { uint32_t block_size = length; if (block_size > BLOCK_SIZE) { block_size = BLOCK_SIZE; } if (write_block(baddr, data, block_size) < 0) { PrintAndLogEx(ERR, "Error writing block %d of %u", block, blocks); return PM3_EFATAL; } data += block_size; baddr += block_size; length -= block_size; block++; // small files, like bootrom if (blocks < 50) { fprintf(stdout, "."); len++; fflush(stdout); continue; } // large fullimage write if (is_loaded) { if (len < ice3len) { fprintf(stdout, "%c", ice3[len++]); fprintf(stdout, "%c", ice3[len++]); fprintf(stdout, "%c", ice3[len++]); fprintf(stdout, "%c", ice3[len++]); fprintf(stdout, "%c", ice3[len++]); fprintf(stdout, "%c", ice3[len++]); fprintf(stdout, "%c", ice3[len++]); fprintf(stdout, "%c", ice3[len++]); } else { if ((len - ice3len - 1) % 61 == 0) { fprintf(stdout, "\n"); } fprintf(stdout, "."); len++; } } else { if (len < ice3len) { fprintf(stdout, "%c", ice3[len++]); } else { if ((len - ice3len) % 67 == 0) { fprintf(stdout, "\n"); } fprintf(stdout, "."); len++; } } fflush(stdout); } PrintAndLogEx(NORMAL, " " _GREEN_("ok")); fflush(stdout); } return PM3_SUCCESS; } // free a file context void flash_free(flash_file_t *ctx) { if (!ctx) { return; } if (ctx->filename != NULL) { free(ctx->filename); ctx->filename = NULL; } if (ctx->elf) { free(ctx->elf); ctx->elf = NULL; ctx->phdrs = NULL; ctx->num_phdrs = 0; } if (ctx->segments) { for (int i = 0; i < ctx->num_segs; i++) { free(ctx->segments[i].data); } free(ctx->segments); ctx->segments = NULL; ctx->num_segs = 0; } } // just reset the unit int flash_stop_flashing(void) { SendCommandBL(CMD_HARDWARE_RESET, 0, 0, 0, NULL, 0); msleep(100); return PM3_SUCCESS; }