cli

.gitignore

@@ -2,4 +2,5 @@
 Cargo.lock
 *~
 node_modules/
-test/build/test
+cli/build/test
+cli/build/kana-hash

Cargo.toml

@@ -13,7 +13,7 @@ crate-type = ["cdylib"]
 opt-level = 3
 lto = "fat"
 codegen-units = 1
-panic = "abort"
+panic = "unwind"
 
 [dependencies]
 sha2 = "0.9"

Makefile

@@ -1,15 +1,20 @@
 INSTALL:= /usr/local/lib
+INSTALL-BIN:= /usr/local/bin
+CLI:= cli
 
 khash:
 	RUSTFLAGS="-C target-cpu=native" cargo build --release
 	strip ./target/release/libkhash.so
+	cd $(CLI) && $(MAKE) kana-hash
 
 test:
 	cargo test
-	cd test && $(MAKE)
+	cd $(CLI) && $(MAKE)
 
 install:
 	cp -f ./target/release/libkhash.so $(INSTALL)/libkhash.so
+	cp -f $(CLI)/build/kana-hash $(INSTALL-BIN)/kana-hash
 
 uninstall:
 	rm -f $(INSTALL)/libkana_hash.so
+	rm -f $(INSTALL-BIN)/kana-hash

cli/Makefile

@@ -1,15 +1,22 @@
 SRC:= src/*.c
 INCLUDE:=include/
-LIB:=../target/release
+LIB:=lib
-BUILD:=build/
+BUILD:=build
 CFLAGS:= -g -Wall -pedantic
 LFLAGS:= -L$(LIB) -lkhash
 
 
-all: clean test
+all: clean test kana-hash
 
 clean:
+	rm -f $(BUILD)/*
 
-test:
+kana-hash:
 	gcc $(SRC) -I$(INCLUDE) $(CFLAGS) -o $(BUILD)/$@ $(LFLAGS)
+	$(BUILD)/$@ test
+
+test:
+	gcc $(SRC) -I$(INCLUDE) -DTEST $(CFLAGS) -o $(BUILD)/$@ $(LFLAGS)
 	$(BUILD)/$@
+
+

cli/src/main.c

@@ -0,0 +1,133 @@
+#include <stdio.h>
+#include <assert.h>
+#include <locale.h>
+#include <alloca.h>
+#include <string.h>
+
+#include <khash.h>
+
+#ifdef TEST
+int main(void)
+{
+  setlocale(LC_ALL, "");
+  const char* string = "hello world!";
+
+  printf("input: %s\n", string);
+  khash_salt salt;
+  assert(khash_new_salt(KHASH_SALT_TYPE_RANDOM, NULL, 0, &salt) == KHASH_SUCCESS);
+  printf("salt: %d\n", (int)salt.size);
+  size_t length;
+  assert(khash_length(string, strlen(string), &salt, &length) == KHASH_SUCCESS);
+  printf("length: %d\n", (int)length);
+  char* output = alloca(length+1);
+  assert(khash_do(string, strlen(string), &salt, output,length) == KHASH_SUCCESS);
+
+  printf("output: %s\n", output);
+  return 0;
+}
+#else
+
+#define KTRY(expr, msg) (assert(((expr) && (msg))== KHASH_SUCCESS))
+
+void k_do(const char* input, const khash_salt* salt)
+{
+  khash_salt clone;
+  KTRY(khash_clone_salt(salt, &clone), "khash: saltclone failed");
+
+  size_t length;
+  KTRY(khash_length(input, strlen(input), &clone, &length), "khash: hashlength failed");
+
+  char* output =alloca(length+1);
+  KTRY(khash_do(input,strlen(input), &clone, output, length), "khash: hashstring failed");
+  output[length] = 0; //ensure no overflow.
+  printf("%s\n", output);
+}
+
+void reseed_salt(khash_salt* salt, uint8_t type, const void* in_ptr, size_t ptr_sz)
+{
+  KTRY(khash_free_salt(salt), "khash: saltrefree failed");
+  KTRY(khash_new_salt(type, in_ptr, ptr_sz, salt), "khash: saltreseed failed");
+}
+
+static int _main(int argc, char** argv, khash_salt salt)
+{
+  int look = 1;
+  if (argc <= 1)
+    {
+      printf("try `%s --help`\n", argv[0]);
+      return 1;
+    }
+  
+  for(argv++;*argv;argv++)
+    {
+      if (!look) goto work;
+      if (strcmp(*argv, "--help") == 0)
+	{
+	  printf("kana-hash cli\n");
+	  printf("Usage: khash [--salt SALT-TYPE [<salt>]] [--] <input strings...>\n");
+	  printf("  --salt: Specify the salt.\n");
+	  printf("    SALT_TYPE: D: default embedded.\n");
+	  printf("             : N: no salt.\n");
+	  printf("             : S <salt>: specific salt.\n");
+	  printf("  --: Stop reading args here.\n");
+	  return 1;
+	}
+      else if (strcmp(*argv, "--") == 0)
+	look = 0;
+      else if (strcmp(*argv, "--salt")==0)
+	{
+	  if (argv[1])
+	    {
+	      switch (argv[1][0])
+		{
+		case 'd':
+		case 'D':
+		  reseed_salt(&salt, KHASH_SALT_TYPE_DEFAULT, NULL, 0);
+		  break;
+		case 'N':
+		case 'n':
+		  reseed_salt(&salt, KHASH_SALT_TYPE_NONE, NULL, 0);
+		  break;
+		case 'S':
+		case 's':
+		  if(argv[2])
+		    reseed_salt(&salt, KHASH_SALT_TYPE_SPECIFIC, argv[2], strlen(argv[2]));
+		  else {
+		    fprintf(stderr, "SALT_TYPE `%c' expects a value.\n", *argv[1]);
+		    return 1;
+		  }
+		  argv++;
+		  break;
+		default:
+		  fprintf(stderr, "Unknown SALT_TYPE `%c'\n", *argv[1]);
+		  return 1;
+		}
+	      argv++;
+	    }
+	  else {
+	    fprintf(stderr, "--salt expects at least SALT_TYPE.\n");
+	    return 1;
+	  }
+	}
+      else {
+      work:
+	k_do(*argv, &salt);
+      }
+    }
+  
+  return 0;
+}
+
+int main(int argc, char** argv)
+{
+  
+  khash_salt salt;
+  KTRY(khash_new_salt(KHASH_SALT_TYPE_DEFAULT, NULL, 0, &salt), "khash: saltgen failed");
+
+  int res = _main(argc, argv, salt);
+
+  KTRY(khash_free_salt(&salt), "khash: saltfree failed");
+
+  return res;
+}
+#endif

include/khash.h

@@ -42,6 +42,8 @@ extern "C" {
   extern int32_t khash_new_salt(uint8_t salt_type, const void* data, size_t size, khash_salt* output);
   /// Free a salt allocated with `khash_new_salt`. It is okay to call this multiple times.
   extern int32_t khash_free_salt(khash_salt* salt);
+  /// Clone a salt allocated with `khash_new_salt`.
+  extern int32_t khash_clone_salt(const khash_salt* src, khash_salt* dst);
   /// Compute the length of hash required for the specified input.
   extern int32_t khash_length(const void* data, size_t size, const khash_salt* salt, size_t* length);
   /// Compute the hash and store it in `string`. Will write no more than `strlen` bytes into `string`.

src/ctx.rs

@@ -0,0 +1,30 @@
+use crate::*;
+
+pub const ALGO_CRC32: u8 = 0;
+pub const ALGO_CRC64: u8 = 1;
+pub const ALGO_SHA256: u8 = 2;
+
+#[derive(Debug,PartialEq,Eq,Hash)]
+pub enum Algorithm
+{
+    Crc32,
+    Crc64,
+    Sha256,
+}
+
+pub struct Context
+{
+    algo: Algorithm,
+    salt: salt::Salt,
+    
+}
+
+/// FFI context
+#[derive(Debug)]
+#[repr(C)]
+pub struct CContext
+{
+    algo: u8,
+    salt: *mut salt::FFI,
+    
+}

src/lib.rs

@@ -161,3 +161,24 @@ pub unsafe extern "C" fn khash_new_salt(salt_type: u8, bin: *const c_void, sz: s
 	GENERIC_SUCCESS
     }
 }
+
+#[no_mangle]
+pub unsafe extern "C" fn khash_clone_salt(salt: *const salt::FFI, out: *mut salt::FFI) -> i32
+{
+    no_unwind!{
+	*out = salt::into_raw(salt::clone_from_raw(salt));
+	GENERIC_SUCCESS
+    }   
+}
+
+
+//TODO:
+/*
+mod ctx;
+
+#[no_mangle]
+pub unsafe extern "C" fn khash_new_context(salt: *mut salt::FFI, ctx: *mut ctx::CContext) -> i32
+{
+
+}
+*/

test/src/main.c

@@ -1,25 +0,0 @@
-#include <stdio.h>
-#include <khash.h>
-#include <assert.h>
-#include <locale.h>
-#include <alloca.h>
-#include <string.h>
-
-int main(void)
-{
-  setlocale(LC_ALL, "");
-  const char* string = "hello world!";
-
-  printf("input: %s\n", string);
-  khash_salt salt;
-  assert(khash_new_salt(KHASH_SALT_TYPE_RANDOM, NULL, 0, &salt) == KHASH_SUCCESS);
-  printf("salt: %d\n", (int)salt.size);
-  size_t length;
-  assert(khash_length(string, strlen(string), &salt, &length) == KHASH_SUCCESS);
-  printf("length: %d\n", (int)length);
-  char* output = alloca(length+1);
-  assert(khash_do(string, strlen(string), &salt, output,length) == KHASH_SUCCESS);
-
-  printf("output: %s\n", output);
-  return 0;
-}