github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-21 22:03:42 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

Flasher: display and check bootloader elf as well

Browse source
This commit is contained in:
Philippe Teuwen 2022-02-16 02:51:29 +01:00
commit 3cbf64c894
1 changed files with 26 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

27
client/src/flash.c
View file

@ -316,10 +316,35 @@ int flash_load(flash_file_t *ctx) {
shdrs = (Elf32_Shdr_t *)(ctx->elf + le32(ehdr->e_shoff)); shdrs = (Elf32_Shdr_t *)(ctx->elf + le32(ehdr->e_shoff));
shstr = ctx->elf + le32(shdrs[ehdr->e_shstrndx].sh_offset); shstr = ctx->elf + le32(shdrs[ehdr->e_shstrndx].sh_offset);
char temp[PM3_CMD_DATA_SIZE - 12]; // same limit as for ARM image
for (uint16_t i = 0; i < le16(ehdr->e_shnum); i++) { for (uint16_t i = 0; i < le16(ehdr->e_shnum); i++) {
if (strcmp(((char *)shstr) + shdrs[i].sh_name, ".version_information") == 0) { if (strcmp(((char *)shstr) + shdrs[i].sh_name, ".version_information") == 0) {
vi = (struct version_information_t *)(ctx->elf + le32(shdrs[i].sh_offset)); vi = (struct version_information_t *)(ctx->elf + le32(shdrs[i].sh_offset));
char temp[PM3_CMD_DATA_SIZE - 12]; // same limit as for ARM image 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"));
PrintAndLogEx(INFO, "Make sure to flash a correct and up-to-date version");
PrintAndLogEx(NORMAL, "Do you want to flash the current image? (yes/no)");
char answer[10];
if ((fgets (answer, sizeof(answer), stdin) == NULL) || (strncmp(answer, "yes", 3) != 0)) {
res = PM3_EOPABORTED;
goto fail;
}
}
}
}
if (strcmp(((char *)shstr) + shdrs[i].sh_name, ".bootphase1") == 0) {
uint32_t offset = *(uint32_t*)(ctx->elf + le32(shdrs[i].sh_offset) + le32(shdrs[i].sh_size) - 4);
if (offset < le32(shdrs[i].sh_addr))
continue;
offset -= le32(shdrs[i].sh_addr);
if (offset >= le32(shdrs[i].sh_size))
continue;
vi = (struct version_information_t *)(ctx->elf + le32(shdrs[i].sh_offset) + offset);
if (vi->magic != VERSION_INFORMATION_MAGIC)
continue;
FormatVersionInformation(temp, sizeof(temp), "", vi); FormatVersionInformation(temp, sizeof(temp), "", vi);
PrintAndLogEx(SUCCESS, _CYAN_("ELF file version") _YELLOW_(" %s"), temp); PrintAndLogEx(SUCCESS, _CYAN_("ELF file version") _YELLOW_(" %s"), temp);
if (strlen(g_version_information.armsrc) == 9) { if (strlen(g_version_information.armsrc) == 9) {