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cmd: md5sum: use hash_command
Drop old implementation and use hash_command() instead, as how it's currently done for crc32 and sha1sum cmds. Test: => md5sum 0x60000000 0x200 md5 for 60000000 ... 600001ff ==> e6bbbe95f5b41996f4a9b9af7bbd4050 Signed-off-by: Igor Opaniuk <igor.opaniuk@gmail.com>
This commit is contained in:
Igor Opaniuk
Tom Rini
parent
606867c849
commit
6ec3f92089
3 changed files with 16 additions and 143 deletions
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@ -826,6 +826,7 @@ config LOOPW
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config CMD_MD5SUM
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bool "md5sum"
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select MD5
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select HASH
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help
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Compute MD5 checksum.
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150
cmd/md5sum.c
150
cmd/md5sum.c
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@ -7,166 +7,36 @@
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#include <common.h>
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#include <command.h>
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#include <env.h>
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#include <image.h>
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#include <hash.h>
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#include <mapmem.h>
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#include <u-boot/md5.h>
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#include <asm/io.h>
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/*
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* Store the resulting sum to an address or variable
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*/
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static void store_result(const u8 *sum, const char *dest)
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static int do_md5sum(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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unsigned int i;
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if (*dest == '*') {
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u8 *ptr;
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ptr = (u8 *)hextoul(dest + 1, NULL);
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for (i = 0; i < 16; i++)
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*ptr++ = sum[i];
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} else {
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char str_output[33];
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char *str_ptr = str_output;
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for (i = 0; i < 16; i++) {
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sprintf(str_ptr, "%02x", sum[i]);
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str_ptr += 2;
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}
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env_set(dest, str_output);
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}
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}
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#ifdef CONFIG_MD5SUM_VERIFY
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static int parse_verify_sum(char *verify_str, u8 *vsum)
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{
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if (*verify_str == '*') {
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u8 *ptr;
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ptr = (u8 *)hextoul(verify_str + 1, NULL);
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memcpy(vsum, ptr, 16);
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} else {
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unsigned int i;
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char *vsum_str;
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if (strlen(verify_str) == 32)
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vsum_str = verify_str;
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else {
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vsum_str = env_get(verify_str);
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if (vsum_str == NULL || strlen(vsum_str) != 32)
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return 1;
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}
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for (i = 0; i < 16; i++) {
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char *nullp = vsum_str + (i + 1) * 2;
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char end = *nullp;
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*nullp = '\0';
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*(u8 *)(vsum + i) =
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hextoul(vsum_str + (i * 2), NULL);
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*nullp = end;
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}
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}
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return 0;
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}
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int do_md5sum(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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ulong addr, len;
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unsigned int i;
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u8 output[16];
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u8 vsum[16];
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int verify = 0;
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int flags = HASH_FLAG_ENV;
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int ac;
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char * const *av;
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void *buf;
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char *const *av;
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if (argc < 3)
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return CMD_RET_USAGE;
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av = argv + 1;
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ac = argc - 1;
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if (strcmp(*av, "-v") == 0) {
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verify = 1;
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if (IS_ENABLED(CONFIG_MD5SUM_VERIFY) && strcmp(*av, "-v") == 0) {
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flags |= HASH_FLAG_VERIFY;
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av++;
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ac--;
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if (ac < 3)
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return CMD_RET_USAGE;
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}
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addr = hextoul(*av++, NULL);
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len = hextoul(*av++, NULL);
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buf = map_sysmem(addr, len);
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md5_wd(buf, len, output, CHUNKSZ_MD5);
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unmap_sysmem(buf);
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if (!verify) {
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printf("md5 for %08lx ... %08lx ==> ", addr, addr + len - 1);
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for (i = 0; i < 16; i++)
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printf("%02x", output[i]);
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printf("\n");
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if (ac > 2)
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store_result(output, *av);
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} else {
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char *verify_str = *av++;
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if (parse_verify_sum(verify_str, vsum)) {
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printf("ERROR: %s does not contain a valid md5 sum\n",
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verify_str);
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return 1;
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}
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if (memcmp(output, vsum, 16) != 0) {
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printf("md5 for %08lx ... %08lx ==> ", addr,
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addr + len - 1);
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for (i = 0; i < 16; i++)
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printf("%02x", output[i]);
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printf(" != ");
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for (i = 0; i < 16; i++)
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printf("%02x", vsum[i]);
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printf(" ** ERROR **\n");
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return 1;
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}
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}
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return 0;
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return hash_command("md5", flags, cmdtp, flag, ac, av);
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}
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#else
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static int do_md5sum(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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unsigned long addr, len;
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unsigned int i;
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u8 output[16];
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void *buf;
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if (argc < 3)
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return CMD_RET_USAGE;
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addr = hextoul(argv[1], NULL);
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len = hextoul(argv[2], NULL);
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buf = map_sysmem(addr, len);
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md5_wd(buf, len, output, CHUNKSZ_MD5);
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unmap_sysmem(buf);
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printf("md5 for %08lx ... %08lx ==> ", addr, addr + len - 1);
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for (i = 0; i < 16; i++)
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printf("%02x", output[i]);
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printf("\n");
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if (argc > 3)
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store_result(output, argv[3]);
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return 0;
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}
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#endif
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#ifdef CONFIG_MD5SUM_VERIFY
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#if IS_ENABLED(CONFIG_MD5SUM_VERIFY)
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U_BOOT_CMD(
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md5sum, 5, 1, do_md5sum,
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"compute MD5 message digest",
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@ -182,4 +52,4 @@ U_BOOT_CMD(
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"address count [[*]sum]\n"
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" - compute MD5 message digest [save to sum]"
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);
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#endif
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#endif /* IS_ENABLED(CONFIG_MD5SUM_VERIFY) */
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@ -321,7 +321,8 @@ static struct hash_algo hash_algo[] = {
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/* Try to minimize code size for boards that don't want much hashing */
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#if CONFIG_IS_ENABLED(SHA256) || IS_ENABLED(CONFIG_CMD_SHA1SUM) || \
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CONFIG_IS_ENABLED(CRC32_VERIFY) || IS_ENABLED(CONFIG_CMD_HASH) || \
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CONFIG_IS_ENABLED(SHA384) || CONFIG_IS_ENABLED(SHA512)
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CONFIG_IS_ENABLED(SHA384) || CONFIG_IS_ENABLED(SHA512) || \
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IS_ENABLED(CONFIG_CMD_MD5SUM)
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#define multi_hash() 1
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#else
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#define multi_hash() 0
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@ -404,7 +405,8 @@ int hash_block(const char *algo_name, const void *data, unsigned int len,
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}
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#if !defined(CONFIG_SPL_BUILD) && (defined(CONFIG_CMD_HASH) || \
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defined(CONFIG_CMD_SHA1SUM) || defined(CONFIG_CMD_CRC32))
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defined(CONFIG_CMD_SHA1SUM) || defined(CONFIG_CMD_CRC32)) || \
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defined(CONFIG_CMD_MD5SUM)
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/**
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* store_result: Store the resulting sum to an address or variable
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*
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@ -565,7 +567,7 @@ int hash_command(const char *algo_name, int flags, struct cmd_tbl *cmdtp,
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/* Try to avoid code bloat when verify is not needed */
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#if defined(CONFIG_CRC32_VERIFY) || defined(CONFIG_SHA1SUM_VERIFY) || \
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defined(CONFIG_HASH_VERIFY)
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defined(CONFIG_MD5SUM_VERIFY) || defined(CONFIG_HASH_VERIFY)
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if (flags & HASH_FLAG_VERIFY) {
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#else
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if (0) {
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