#80 added git hash to version

Author: robertdavidgraham

Makefile

@@ -1,6 +1,11 @@
 PREFIX ?= /usr
 BINDIR ?= $(PREFIX)/bin
 SYS := $(shell gcc -dumpmachine)
+GITVER := $(shell git describe --tags)
+
+ifeq ($(GITVER),)
+GITVER = "unknown"
+endif
 
 # LINUX
 # The automated regression tests run on Linux, so this is the one
@@ -67,16 +72,23 @@ CFLAGS = -g -ggdb $(FLAGS2) $(INCLUDES) $(DEFINES) -Wall -O3
 
 all: bin/masscan 
 
+
+tmp/main-conf.o: src/main-conf.c src/*.h
+	$(CC) $(CFLAGS) -c $< -o $@ -DGIT=\"$(GITVER)\"
+
+
 # just compile everything in the 'src' directory. Using this technique
 # means that include file dependencies are broken, so sometimes when
 # the program crashes unexpectedly, 'make clean' then 'make' fixes the
 # problem that a .h file was out of date
 tmp/%.o: src/%.c src/*.h
 	$(CC) $(CFLAGS) -c $< -o $@
 
+
 SRC = $(wildcard src/*.c)
 OBJ = $(addprefix tmp/, $(notdir $(addsuffix .o, $(basename $(SRC))))) 
 
+
 bin/masscan: $(OBJ)
 	$(CC) $(CFLAGS) -o $@ $(OBJ) $(LDFLAGS) $(LIBS)
 

src/main-conf.c

@@ -12,6 +12,7 @@
 
 */
 #include "masscan.h"
+#include "masscan-version.h"
 #include "ranges.h"
 #include "string_s.h"
 #include "logger.h"
@@ -55,6 +56,88 @@ masscan_usage(void)
     exit(1);
 }
 
+/***************************************************************************
+ ***************************************************************************/
+static void
+print_version()
+{
+    const char *cpu = "unknown";
+    const char *compiler = "unknown";
+    const char *compiler_version = "unknown";
+    const char *os = "unknown";
+    printf("\n");
+    printf("Masscan version %s ( %s )\n", 
+        MASSCAN_VERSION,
+        "https://github.com/robertdavidgraham/masscan"
+        );
+    printf("Compiled on: %s %s\n", __DATE__, __TIME__);
+
+#if defined(_MSC_VER)
+    #if defined(_M_AMD64) || defined(_M_X64)
+        cpu = "x86";
+    #elif defined(_M_IX86)
+        cpu = "x86";
+    #elif defined (_M_ARM_FP)
+        cpu = "arm";
+    #endif
+
+    {
+        int msc_ver = _MSC_VER;
+
+        compiler = "VisualStudio";
+
+        if (msc_ver < 1500)
+            compiler_version = "pre2008";
+        else if (msc_ver == 1500)
+            compiler_version = "2008";
+        else if (msc_ver == 1600)
+            compiler_version = "2010";
+        else if (msc_ver == 1700)
+            compiler_version = "2012";
+        else if (msc_ver == 1800)
+            compiler_version = "2013";
+        else
+            compiler_version = "post-2013";
+    }
+
+
+#elif defined(__GNUC__)
+    compiler = "gcc";
+    compiler_version = __VERSION__;
+
+#if defined(i386) || defined(__i386) || defined(__i386__)
+    cpu = "x86";
+#endif
+
+#if defined(__corei7) || defined(__corei7__)
+    cpu = "x86-Corei7";
+#endif
+
+#endif
+
+#if defined(WIN32)
+    os = "Windows";
+#elif defined(__linux__)
+    os = "Linux";
+#elif defined(__APPLE__)
+    os = "Apple";
+#elif defined(__MACH__)
+    os = "MACH";
+#elif defined(__FreeBSD__)
+    os = "FreeBSD";
+#elif defined(unix) || defined(__unix) || defined(__unix__)
+    os = "Unix";
+#endif
+
+    printf("Compiler: %s %s\n", compiler, compiler_version);
+    printf("OS: %s\n", os);
+    printf("CPU: %s (%u bits)\n", cpu, (unsigned)(sizeof(void*))*8);
+
+#if defined(GIT)
+    printf("GIT version: %s\n", GIT);
+#endif
+}
+
 /***************************************************************************
  ***************************************************************************/
 static void
@@ -1452,6 +1535,9 @@ masscan_set_parameter(struct Masscan *masscan,
         } else {
             masscan->nmap.ttl = x;
         }
+    } else if (EQUALS("version", name)) {
+        print_version();
+        exit(1);
     } else if (EQUALS("version-intensity", name)) {
         fprintf(stderr, "nmap(%s): unsupported\n", name);
         exit(1);
@@ -1485,7 +1571,8 @@ is_singleton(const char *name)
 {
     static const char *singletons[] = {
         "echo", "selftest", "self-test", "regress",
-        "system-dns", "traceroute", "version-light",
+        "system-dns", "traceroute", "version",
+        "version-light",
         "version-all", "version-trace",
         "osscan-limit", "osscan-guess",
         "badsum", "reason", "open", "open-only",
@@ -1856,7 +1943,7 @@ masscan_command_line(struct Masscan *masscan, int argc, char *argv[])
                 }
                 break;
             case 'V': /* print version and exit */
-                exit(1);
+                masscan_set_parameter(masscan, "version", "");
                 break;
             case 'W':
                 masscan->op = Operation_List_Adapters;

src/masscan-version.h

@@ -1,5 +1,5 @@
 #ifndef MASSCAN_VERSION
 
-#define MASSCAN_VERSION "1.0.2"
+#define MASSCAN_VERSION "1.0.3"
 
 #endif