diff options
| -rw-r--r-- | package/system/mtd/Makefile | 1 | ||||
| -rw-r--r-- | package/system/mtd/src/Makefile | 3 | ||||
| -rw-r--r-- | package/system/mtd/src/mtd.c | 70 |
3 files changed, 72 insertions, 2 deletions
diff --git a/package/system/mtd/Makefile b/package/system/mtd/Makefile index f429128..97c61f0 100644 --- a/package/system/mtd/Makefile +++ b/package/system/mtd/Makefile @@ -22,6 +22,7 @@ include $(INCLUDE_DIR)/package.mk define Package/mtd SECTION:=utils CATEGORY:=Base system + DEPENDS:=+libubox TITLE:=Update utility for trx firmware images endef diff --git a/package/system/mtd/src/Makefile b/package/system/mtd/src/Makefile index 3f59c91..6450646 100644 --- a/package/system/mtd/src/Makefile +++ b/package/system/mtd/src/Makefile @@ -1,7 +1,8 @@ CC = gcc CFLAGS += -Wall +LDFLAGS += -lubox -obj = mtd.o jffs2.o crc32.o +obj = mtd.o jffs2.o crc32.o md5.o obj.seama = seama.o md5.o obj.ar71xx = trx.o $(obj.seama) obj.brcm = trx.o diff --git a/package/system/mtd/src/mtd.c b/package/system/mtd/src/mtd.c index 2ec02a8..73335f3 100644 --- a/package/system/mtd/src/mtd.c +++ b/package/system/mtd/src/mtd.c @@ -44,6 +44,8 @@ #include "fis.h" #include "mtd.h" +#include <libubox/md5.h> + #define MAX_ARGS 8 #define JFFS2_DEFAULT_DIR "" /* directory name without /, empty means root dir */ @@ -245,6 +247,63 @@ mtd_erase(const char *mtd) } +static int +mtd_verify(const char *mtd, char *file) +{ + uint32_t f_md5[4], m_md5[4]; + struct stat s; + md5_ctx_t ctx; + int ret = 0; + int fd; + + if (quiet < 2) + fprintf(stderr, "Verifying %s against %s ...\n", mtd, file); + + if (stat(file, &s) || md5sum(file, f_md5)) { + fprintf(stderr, "Failed to hash %s\n", file); + return -1; + } + + fd = mtd_check_open(mtd); + if(fd < 0) { + fprintf(stderr, "Could not open mtd device: %s\n", mtd); + return -1; + } + + md5_begin(&ctx); + do { + char buf[256]; + int len = (s.st_size > sizeof(buf)) ? (sizeof(buf)) : (s.st_size); + int rlen = read(fd, buf, len); + + if (rlen < 0) { + if (errno == EINTR) + continue; + ret = -1; + goto out; + } + if (!rlen) + break; + md5_hash(buf, rlen, &ctx); + s.st_size -= rlen; + } while (s.st_size > 0); + + md5_end(m_md5, &ctx); + + fprintf(stderr, "%08x%08x%08x%08x - %s\n", m_md5[0], m_md5[1], m_md5[2], m_md5[3], mtd); + fprintf(stderr, "%08x%08x%08x%08x - %s\n", f_md5[0], f_md5[1], f_md5[2], f_md5[3], file); + + ret = memcmp(f_md5, m_md5, sizeof(m_md5)); + if (!ret) + fprintf(stderr, "Success\n"); + else + fprintf(stderr, "Failed\n"); + +out: + close(fd); + return ret; +} + static void indicate_writing(const char *mtd) { @@ -341,7 +400,7 @@ resume: exit(1); } if (part_offset > 0) { - fprintf(stderr, "Seeking on mtd device '%s' to: %u\n", mtd, part_offset); + fprintf(stderr, "Seeking on mtd device '%s' to: %zu\n", mtd, part_offset); lseek(fd, part_offset, SEEK_SET); } @@ -483,6 +542,7 @@ static void usage(void) " unlock unlock the device\n" " refresh refresh mtd partition\n" " erase erase all data on device\n" + " verify <imagefile>|- verify <imagefile> (use - for stdin) to device\n" " write <imagefile>|- write <imagefile> (use - for stdin) to device\n" " jffs2write <file> append <file> to the jffs2 partition on the device\n"); if (mtd_fixtrx) { @@ -548,6 +608,7 @@ int main (int argc, char **argv) CMD_JFFS2WRITE, CMD_FIXTRX, CMD_FIXSEAMA, + CMD_VERIFY, } cmd = -1; erase[0] = NULL; @@ -644,6 +705,10 @@ int main (int argc, char **argv) } else if (((strcmp(argv[0], "fixseama") == 0) && (argc == 2)) && mtd_fixseama) { cmd = CMD_FIXSEAMA; device = argv[1]; + } else if ((strcmp(argv[0], "verify") == 0) && (argc == 3)) { + cmd = CMD_VERIFY; + imagefile = argv[1]; + device = argv[2]; } else if ((strcmp(argv[0], "write") == 0) && (argc == 3)) { cmd = CMD_WRITE; device = argv[2]; @@ -698,6 +763,9 @@ int main (int argc, char **argv) if (!unlocked) mtd_unlock(device); break; + case CMD_VERIFY: + mtd_verify(device, imagefile); + break; case CMD_ERASE: if (!unlocked) mtd_unlock(device); |