tools: add convenience hash computing tool
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16
Makefile.am
16
Makefile.am
@ -183,20 +183,10 @@ libutil_la_LIBADD = $(BOOST_SYSTEM_LIB)
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###############################################################################
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## Utility programs
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LDADD = $(top_builddir)/.libs/libutil.a
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AM_DEFAULT_SOURCE_EXT = .cpp
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LDADD = $(top_builddir)/libutil.la
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bin_PROGRAMS = \
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tools/hash \
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tools/json-clean \
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tools/json-validate \
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tools/json-schema
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tools_json_clean_SOURCES = tools/json-clean.cpp
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tools_json_clean_DEPENDENCIES = $(top_builddir)/libutil.la
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tools_json_clean_LDFLAGS = $(AM_LDFLAGS)
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tools_json_schema_SOURCES = tools/json-schema.cpp
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tools_json_schema_DEPENDENCIES = $(top_builddir)/libutil.la
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tools_json_schema_LDFLAGS = $(AM_LDFLAGS)
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tools_json_validate_SOURCES = tools/json-validate.cpp
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tools_json_validate_DEPENDENCIES = $(top_builddir)/libutil.la
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tools_json_validate_LDFLAGS = $(AM_LDFLAGS)
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7
tools/.gitignore
vendored
7
tools/.gitignore
vendored
@ -1,3 +1,4 @@
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json-clean
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json-schema
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json-validate
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/hash
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/json-clean
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/json-schema
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/json-validate
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110
tools/hash.cpp
Normal file
110
tools/hash.cpp
Normal file
@ -0,0 +1,110 @@
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#include <iostream>
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#include <fstream>
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#include <vector>
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#include <iterator>
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#include <cstdlib>
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#include <cstring>
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#include "hash/adler.hpp"
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#include "hash/bsdsum.cpp"
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#include "hash/crc.hpp"
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#include "hash/fletcher.hpp"
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#include "hash/md2.hpp"
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#include "hash/md4.hpp"
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#include "hash/md5.hpp"
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#include "hash/ripemd.hpp"
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#include "hash/sha1.hpp"
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#include "hash/sha2.hpp"
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static const char* NAMES[] = {
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"adler32",
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"bsdsum",
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"crc32",
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"fletcher"
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"MD2",
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"MD4",
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"MD5",
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"RIPEMD",
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"SHA1",
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"SHA256",
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};
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static void
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compute (std::istream &is, const char *name) {
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std::vector<uint8_t> data {
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std::istream_iterator<uint8_t> (is),
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std::istream_iterator<uint8_t> ( )
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};
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std::cerr << "got: ";
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std::copy (data.begin (), data.end (), std::ostream_iterator<uint8_t> (std::cerr));
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std::cerr << "\n";
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#define simple(FUNC) do { \
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if (std::strcmp (name, #FUNC)) \
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break; \
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\
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std::cout << std::hex << FUNC (data.data (), data.size ()) << "\n"; \
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} while (0)
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simple (adler32);
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simple (bsdsum);
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simple (crc32);
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#undef simple
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#define stream(TYPE) do { \
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if (std::strcmp (name, #TYPE)) \
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break; \
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\
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util::hash::TYPE accum; \
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accum.update (data.data (), data.size ()); \
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accum.finish (); \
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\
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std::cout << std::hex; \
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for (auto c: accum.digest ()) \
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std::cout << unsigned (c >> 4) << unsigned(c & 0x0F); \
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std::cout << std::dec << "\n"; \
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return; \
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} while (0);
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stream (MD2);
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stream (MD4);
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stream (MD5);
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stream (RIPEMD);
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stream (SHA1);
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stream (SHA256);
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#undef stream
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}
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enum {
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ARG_CMD,
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ARG_HASH,
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ARG_INPUT,
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};
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int
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main (int argc, char **argv) {
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if (argc < ARG_INPUT) {
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std::cerr << argv[ARG_CMD] << " [";
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for (auto name: NAMES)
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std::cerr << name << "|";
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std::cerr << "] <input>\n";
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return EXIT_FAILURE;
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}
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if (strcmp (argv[ARG_INPUT], "-")) {
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std::cerr << "stdin only currently\n";
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return EXIT_FAILURE;
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}
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compute (std::cin, argv[ARG_HASH]);
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return EXIT_SUCCESS;
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}
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