/* vi: set sw=4 ts=4: */
/*
- * Copyright (C) 2003 Glenn L. McGrath
- * Copyright (C) 2003-2004 Erik Andersen
+ * Copyright (C) 2003 Glenn L. McGrath
+ * Copyright (C) 2003-2004 Erik Andersen
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+//config:config MD5SUM
+//config: bool "md5sum (6.8 kb)"
+//config: default y
+//config: help
+//config: Compute and check MD5 message digest
+//config:
+//config:config SHA1SUM
+//config: bool "sha1sum (6 kb)"
+//config: default y
+//config: help
+//config: Compute and check SHA1 message digest
+//config:
+//config:config SHA256SUM
+//config: bool "sha256sum (7.1 kb)"
+//config: default y
+//config: help
+//config: Compute and check SHA256 message digest
+//config:
+//config:config SHA512SUM
+//config: bool "sha512sum (7.6 kb)"
+//config: default y
+//config: help
+//config: Compute and check SHA512 message digest
+//config:
+//config:config SHA3SUM
+//config: bool "sha3sum (6.3 kb)"
+//config: default y
+//config: help
+//config: Compute and check SHA3 message digest
+//config:
+//config:comment "Common options for md5sum, sha1sum, sha256sum, sha512sum, sha3sum"
+//config: depends on MD5SUM || SHA1SUM || SHA256SUM || SHA512SUM || SHA3SUM
+//config:
+//config:config FEATURE_MD5_SHA1_SUM_CHECK
+//config: bool "Enable -c, -s and -w options"
+//config: default y
+//config: depends on MD5SUM || SHA1SUM || SHA256SUM || SHA512SUM || SHA3SUM
+//config: help
+//config: Enabling the -c options allows files to be checked
+//config: against pre-calculated hash values.
+//config: -s and -w are useful options when verifying checksums.
+
+//applet:IF_MD5SUM(APPLET_NOEXEC(md5sum, md5_sha1_sum, BB_DIR_USR_BIN, BB_SUID_DROP, md5sum))
+//applet:IF_SHA1SUM(APPLET_NOEXEC(sha1sum, md5_sha1_sum, BB_DIR_USR_BIN, BB_SUID_DROP, sha1sum))
+//applet:IF_SHA3SUM(APPLET_NOEXEC(sha3sum, md5_sha1_sum, BB_DIR_USR_BIN, BB_SUID_DROP, sha3sum))
+//applet:IF_SHA256SUM(APPLET_NOEXEC(sha256sum, md5_sha1_sum, BB_DIR_USR_BIN, BB_SUID_DROP, sha256sum))
+//applet:IF_SHA512SUM(APPLET_NOEXEC(sha512sum, md5_sha1_sum, BB_DIR_USR_BIN, BB_SUID_DROP, sha512sum))
+
+//kbuild:lib-$(CONFIG_MD5SUM) += md5_sha1_sum.o
+//kbuild:lib-$(CONFIG_SHA1SUM) += md5_sha1_sum.o
+//kbuild:lib-$(CONFIG_SHA256SUM) += md5_sha1_sum.o
+//kbuild:lib-$(CONFIG_SHA512SUM) += md5_sha1_sum.o
+//kbuild:lib-$(CONFIG_SHA3SUM) += md5_sha1_sum.o
//usage:#define md5sum_trivial_usage
//usage: IF_FEATURE_MD5_SHA1_SUM_CHECK("[-c[sw]] ")"[FILE]..."
//usage: "\n -s Don't output anything, status code shows success"
//usage: "\n -w Warn about improperly formatted checksum lines"
//usage: )
+//usage:
+//usage:#define sha3sum_trivial_usage
+//usage: IF_FEATURE_MD5_SHA1_SUM_CHECK("[-c[sw]] ")"[-a BITS] [FILE]..."
+//usage:#define sha3sum_full_usage "\n\n"
+//usage: "Print" IF_FEATURE_MD5_SHA1_SUM_CHECK(" or check") " SHA3 checksums"
+//usage: IF_FEATURE_MD5_SHA1_SUM_CHECK( "\n"
+//usage: "\n -c Check sums against list in FILEs"
+//usage: "\n -s Don't output anything, status code shows success"
+//usage: "\n -w Warn about improperly formatted checksum lines"
+//usage: "\n -a BITS 224 (default), 256, 384, 512"
+//usage: )
+
+//FIXME: GNU coreutils 8.25 has no -s option, it has only these two long opts:
+// --quiet don't print OK for each successfully verified file
+// --status don't output anything, status code shows success
#include "libbb.h"
HASH_MD5 = 's', /* "md5>s<um" */
HASH_SHA1 = '1',
HASH_SHA256 = '2',
+ HASH_SHA3 = '3',
HASH_SHA512 = '5',
};
return (unsigned char *)hex_value;
}
-static uint8_t *hash_file(const char *filename)
+#if !ENABLE_SHA3SUM
+# define hash_file(f,w) hash_file(f)
+#endif
+static uint8_t *hash_file(const char *filename, unsigned sha3_width)
{
int src_fd, hash_len, count;
union _ctx_ {
+ sha3_ctx_t sha3;
sha512_ctx_t sha512;
sha256_ctx_t sha256;
sha1_ctx_t sha1;
} context;
uint8_t *hash_value;
void FAST_FUNC (*update)(void*, const void*, size_t);
- void FAST_FUNC (*final)(void*, void*);
+ unsigned FAST_FUNC (*final)(void*, void*);
char hash_algo;
src_fd = open_or_warn_stdin(filename);
update = (void*)md5_hash;
final = (void*)md5_end;
hash_len = 16;
- } else if (ENABLE_SHA1SUM && hash_algo == HASH_SHA1) {
+ }
+ else if (ENABLE_SHA1SUM && hash_algo == HASH_SHA1) {
sha1_begin(&context.sha1);
update = (void*)sha1_hash;
final = (void*)sha1_end;
hash_len = 20;
- } else if (ENABLE_SHA256SUM && hash_algo == HASH_SHA256) {
+ }
+ else if (ENABLE_SHA256SUM && hash_algo == HASH_SHA256) {
sha256_begin(&context.sha256);
update = (void*)sha256_hash;
final = (void*)sha256_end;
hash_len = 32;
- } else if (ENABLE_SHA512SUM && hash_algo == HASH_SHA512) {
+ }
+ else if (ENABLE_SHA512SUM && hash_algo == HASH_SHA512) {
sha512_begin(&context.sha512);
update = (void*)sha512_hash;
final = (void*)sha512_end;
hash_len = 64;
- } else {
+ }
+#if ENABLE_SHA3SUM
+ else if (ENABLE_SHA3SUM && hash_algo == HASH_SHA3) {
+ sha3_begin(&context.sha3);
+ update = (void*)sha3_hash;
+ final = (void*)sha3_end;
+ /*
+ * Should support 224, 256, 384, 512.
+ * We allow any value which does not blow the algorithm up.
+ */
+ if (sha3_width >= 1600/2 /* input block can't be <= 0 */
+ || sha3_width == 0 /* hash len can't be 0 */
+ || (sha3_width & 0x1f) /* should be multiple of 32 */
+ /* (because input uses up to 8 byte wide word XORs. 32/4=8) */
+ ) {
+ bb_error_msg_and_die("bad -a%u", sha3_width);
+ }
+ sha3_width /= 4;
+ context.sha3.input_block_bytes = 1600/8 - sha3_width;
+ hash_len = sha3_width/2;
+ }
+#endif
+ else {
xfunc_die(); /* can't reach this */
}
update(&context, in_buf, count);
}
hash_value = NULL;
- if (count == 0) {
+ if (count < 0)
+ bb_perror_msg("can't read '%s'", filename);
+ else /* count == 0 */ {
final(&context, in_buf);
hash_value = hash_bin_to_hex(in_buf, hash_len);
}
{
int return_value = EXIT_SUCCESS;
unsigned flags;
+#if ENABLE_SHA3SUM
+ unsigned sha3_width = 224;
+#endif
if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK) {
/* -b "binary", -t "text" are ignored (shaNNNsum compat) */
- flags = getopt32(argv, "scwbt");
- argv += optind;
- //argc -= optind;
+ /* -s and -w require -c */
+#if ENABLE_SHA3SUM
+ if (applet_name[3] == HASH_SHA3)
+ flags = getopt32(argv, "^" "scwbta:+" "\0" "s?c:w?c", &sha3_width);
+ else
+#endif
+ flags = getopt32(argv, "^" "scwbt" "\0" "s?c:w?c");
} else {
- argv += 1;
- //argc -= 1;
+#if ENABLE_SHA3SUM
+ if (applet_name[3] == HASH_SHA3)
+ getopt32(argv, "a:+", &sha3_width);
+ else
+#endif
+ getopt32(argv, "");
}
+ argv += optind;
+ //argc -= optind;
if (!*argv)
*--argv = (char*)"-";
- if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK && !(flags & FLAG_CHECK)) {
- if (flags & FLAG_SILENT) {
- bb_error_msg_and_die("-%c is meaningful only with -c", 's');
- }
- if (flags & FLAG_WARN) {
- bb_error_msg_and_die("-%c is meaningful only with -c", 'w');
- }
- }
-
do {
if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK && (flags & FLAG_CHECK)) {
FILE *pre_computed_stream;
*filename_ptr = '\0';
filename_ptr += 2;
- hash_value = hash_file(filename_ptr);
+ hash_value = hash_file(filename_ptr, sha3_width);
if (hash_value && (strcmp((char*)hash_value, line) == 0)) {
if (!(flags & FLAG_SILENT))
}
if (count_failed && !(flags & FLAG_SILENT)) {
bb_error_msg("WARNING: %d of %d computed checksums did NOT match",
- count_failed, count_total);
+ count_failed, count_total);
+ }
+ if (count_total == 0) {
+ return_value = EXIT_FAILURE;
+ /*
+ * md5sum from GNU coreutils 8.25 says:
+ * md5sum: <FILE>: no properly formatted MD5 checksum lines found
+ */
+ bb_error_msg("%s: no checksum lines found", *argv);
}
fclose_if_not_stdin(pre_computed_stream);
} else {
- uint8_t *hash_value = hash_file(*argv);
+ uint8_t *hash_value = hash_file(*argv, sha3_width);
if (hash_value == NULL) {
return_value = EXIT_FAILURE;
} else {
projects / oweals / busybox.git / blobdiff