diff options
| -rw-r--r-- | cmd/Kconfig | 1 | ||||
| -rw-r--r-- | cmd/md5sum.c | 150 | ||||
| -rw-r--r-- | common/hash.c | 8 |
3 files changed, 16 insertions, 143 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index 3d204edfa3f..102f62ac89d 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -826,6 +826,7 @@ config LOOPW config CMD_MD5SUM bool "md5sum" select MD5 + select HASH help Compute MD5 checksum. diff --git a/cmd/md5sum.c b/cmd/md5sum.c index 0f0e1d3dd68..ded3f9e1831 100644 --- a/cmd/md5sum.c +++ b/cmd/md5sum.c @@ -7,166 +7,36 @@ * Wolfgang Denk, DENX Software Engineering, wd@denx.de. */ -#include <common.h> #include <command.h> #include <env.h> #include <image.h> +#include <hash.h> #include <mapmem.h> #include <u-boot/md5.h> #include <asm/io.h> -/* - * Store the resulting sum to an address or variable - */ -static void store_result(const u8 *sum, const char *dest) -{ - unsigned int i; - - if (*dest == '*') { - u8 *ptr; - - ptr = (u8 *)hextoul(dest + 1, NULL); - for (i = 0; i < 16; i++) - *ptr++ = sum[i]; - } else { - char str_output[33]; - char *str_ptr = str_output; - - for (i = 0; i < 16; i++) { - sprintf(str_ptr, "%02x", sum[i]); - str_ptr += 2; - } - env_set(dest, str_output); - } -} - -#ifdef CONFIG_MD5SUM_VERIFY -static int parse_verify_sum(char *verify_str, u8 *vsum) -{ - if (*verify_str == '*') { - u8 *ptr; - - ptr = (u8 *)hextoul(verify_str + 1, NULL); - memcpy(vsum, ptr, 16); - } else { - unsigned int i; - char *vsum_str; - - if (strlen(verify_str) == 32) - vsum_str = verify_str; - else { - vsum_str = env_get(verify_str); - if (vsum_str == NULL || strlen(vsum_str) != 32) - return 1; - } - - for (i = 0; i < 16; i++) { - char *nullp = vsum_str + (i + 1) * 2; - char end = *nullp; - - *nullp = '\0'; - *(u8 *)(vsum + i) = - hextoul(vsum_str + (i * 2), NULL); - *nullp = end; - } - } - return 0; -} - -int do_md5sum(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +static int do_md5sum(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) { - ulong addr, len; - unsigned int i; - u8 output[16]; - u8 vsum[16]; - int verify = 0; + int flags = HASH_FLAG_ENV; int ac; - char * const *av; - void *buf; + char *const *av; if (argc < 3) return CMD_RET_USAGE; av = argv + 1; ac = argc - 1; - if (strcmp(*av, "-v") == 0) { - verify = 1; + if (IS_ENABLED(CONFIG_MD5SUM_VERIFY) && strcmp(*av, "-v") == 0) { + flags |= HASH_FLAG_VERIFY; av++; ac--; - if (ac < 3) - return CMD_RET_USAGE; } - addr = hextoul(*av++, NULL); - len = hextoul(*av++, NULL); - - buf = map_sysmem(addr, len); - md5_wd(buf, len, output, CHUNKSZ_MD5); - unmap_sysmem(buf); - - if (!verify) { - printf("md5 for %08lx ... %08lx ==> ", addr, addr + len - 1); - for (i = 0; i < 16; i++) - printf("%02x", output[i]); - printf("\n"); - - if (ac > 2) - store_result(output, *av); - } else { - char *verify_str = *av++; - - if (parse_verify_sum(verify_str, vsum)) { - printf("ERROR: %s does not contain a valid md5 sum\n", - verify_str); - return 1; - } - if (memcmp(output, vsum, 16) != 0) { - printf("md5 for %08lx ... %08lx ==> ", addr, - addr + len - 1); - for (i = 0; i < 16; i++) - printf("%02x", output[i]); - printf(" != "); - for (i = 0; i < 16; i++) - printf("%02x", vsum[i]); - printf(" ** ERROR **\n"); - return 1; - } - } - - return 0; -} -#else -static int do_md5sum(struct cmd_tbl *cmdtp, int flag, int argc, - char *const argv[]) -{ - unsigned long addr, len; - unsigned int i; - u8 output[16]; - void *buf; - - if (argc < 3) - return CMD_RET_USAGE; - - addr = hextoul(argv[1], NULL); - len = hextoul(argv[2], NULL); - - buf = map_sysmem(addr, len); - md5_wd(buf, len, output, CHUNKSZ_MD5); - unmap_sysmem(buf); - - printf("md5 for %08lx ... %08lx ==> ", addr, addr + len - 1); - for (i = 0; i < 16; i++) - printf("%02x", output[i]); - printf("\n"); - - if (argc > 3) - store_result(output, argv[3]); - - return 0; + return hash_command("md5", flags, cmdtp, flag, ac, av); } -#endif -#ifdef CONFIG_MD5SUM_VERIFY +#if IS_ENABLED(CONFIG_MD5SUM_VERIFY) U_BOOT_CMD( md5sum, 5, 1, do_md5sum, "compute MD5 message digest", @@ -182,4 +52,4 @@ U_BOOT_CMD( "address count [[*]sum]\n" " - compute MD5 message digest [save to sum]" ); -#endif +#endif /* IS_ENABLED(CONFIG_MD5SUM_VERIFY) */ diff --git a/common/hash.c b/common/hash.c index e837c56d443..3d6b84de473 100644 --- a/common/hash.c +++ b/common/hash.c @@ -321,7 +321,8 @@ static struct hash_algo hash_algo[] = { /* Try to minimize code size for boards that don't want much hashing */ #if CONFIG_IS_ENABLED(SHA256) || IS_ENABLED(CONFIG_CMD_SHA1SUM) || \ CONFIG_IS_ENABLED(CRC32_VERIFY) || IS_ENABLED(CONFIG_CMD_HASH) || \ - CONFIG_IS_ENABLED(SHA384) || CONFIG_IS_ENABLED(SHA512) + CONFIG_IS_ENABLED(SHA384) || CONFIG_IS_ENABLED(SHA512) || \ + IS_ENABLED(CONFIG_CMD_MD5SUM) #define multi_hash() 1 #else #define multi_hash() 0 @@ -404,7 +405,8 @@ int hash_block(const char *algo_name, const void *data, unsigned int len, } #if !defined(CONFIG_SPL_BUILD) && (defined(CONFIG_CMD_HASH) || \ - defined(CONFIG_CMD_SHA1SUM) || defined(CONFIG_CMD_CRC32)) + defined(CONFIG_CMD_SHA1SUM) || defined(CONFIG_CMD_CRC32)) || \ + defined(CONFIG_CMD_MD5SUM) /** * store_result: Store the resulting sum to an address or variable * @@ -565,7 +567,7 @@ int hash_command(const char *algo_name, int flags, struct cmd_tbl *cmdtp, /* Try to avoid code bloat when verify is not needed */ #if defined(CONFIG_CRC32_VERIFY) || defined(CONFIG_SHA1SUM_VERIFY) || \ - defined(CONFIG_HASH_VERIFY) + defined(CONFIG_MD5SUM_VERIFY) || defined(CONFIG_HASH_VERIFY) if (flags & HASH_FLAG_VERIFY) { #else if (0) { |