Show which libraries are the ones included with Nmap and which are from

the system by prefixing "nmap-" to the former in -V output. Patch by
Ambarisha B.

Hard-code the included/non-included libraries in nmap_winconfig.h:

CHANGELOG

@@ -34,8 +34,10 @@ o [Zenmap] Worked around a pycairo bug that prevented saving the
   (like StringIO)". The problem was reported by Alex Kah. [David]
 
 o The -V and --version options now show the platform Nmap was compiled
-  on, which features are compiled in, and the version numbers of
+  on, which features are compiled in, the version numbers of
-  libraries it is linked against. [Ambarisha B., David]
+  libraries it is linked against, and whether the libraries are the
+  ones that come with Nmap or are from the operating system.
+  [Ambarisha B., David]
 
 o Fixed some inconsistencies in nmap-os-db reported by Xavier Sudre
   from netVigilance.

configure.ac

@@ -416,6 +416,7 @@ if test $have_libpcap != yes; then
   PCAP_BUILD="pcap_build"
   PCAP_CLEAN="pcap_clean"
   PCAP_DIST_CLEAN="pcap_dist_clean"
+  AC_DEFINE(PCAP_INCLUDED)
 else
   AC_DEFINE(HAVE_LIBPCAP)
   LIBPCAP_LIBS="-lpcap"
@@ -472,6 +473,7 @@ if test $have_pcre != yes ; then
   PCRE_BUILD="pcre_build"
   PCRE_CLEAN="pcre_clean"
   PCRE_DIST_CLEAN="pcre_dist_clean"
+  AC_DEFINE(PCRE_INCLUDED)
 else
 # We only need to check for and use this if we are NOT using included pcre
   AC_CHECK_HEADERS(pcre/pcre.h)
@@ -524,6 +526,7 @@ if test $have_dnet != yes ; then
   DNET_BUILD="dnet_build"
   DNET_CLEAN="dnet_clean"
   DNET_DIST_CLEAN="dnet_dist_clean"
+  AC_DEFINE(DNET_INCLUDED)
 else
   LIBDNET_LIBS="-ldnet"
   DNET_DEPENDS=""
@@ -621,6 +624,7 @@ else
     LUA_BUILD="lua_build"
     LUA_CLEAN="lua_clean"
     LUA_DIST_CLEAN="lua_dist_clean"
+    AC_DEFINE(LUA_INCLUDED)
   else
     AC_MSG_RESULT(yes) 
   fi

nmap.cc

@@ -2854,7 +2854,11 @@ static void display_nmap_version() {
   unsigned int i;
 
 #ifndef NOLUA
+#ifdef LUA_INCLUDED
+  with.push_back(std::string("nmap-liblua-") + get_word_or_quote(LUA_RELEASE, 1));
+#else
   with.push_back(std::string("liblua-") + get_word_or_quote(LUA_RELEASE, 1));
+#endif
 #else
   without.push_back("liblua");
 #endif
@@ -2865,11 +2869,23 @@ static void display_nmap_version() {
   without.push_back("openssl");
 #endif
 
+#ifdef PCRE_INCLUDED
+  with.push_back(std::string("nmap-libpcre-") + get_word_or_quote(pcre_version(), 0));
+#else
   with.push_back(std::string("libpcre-") + get_word_or_quote(pcre_version(), 0));
+#endif
 
+#ifdef PCAP_INCLUDED
+  with.push_back(std::string("nmap-libpcap-") + get_word_or_quote(pcap_lib_version(), 2));
+#else
   with.push_back(std::string("libpcap-") + get_word_or_quote(pcap_lib_version(), 2));
+#endif
 
+#ifdef DNET_INCLUDED
+  with.push_back(std::string("nmap-libdnet-") + DNET_VERSION);
+#else
   with.push_back(std::string("libdnet-") + DNET_VERSION);
+#endif
 
 #if HAVE_IPV6
   with.push_back("ipv6");

nmap_config.h.in

@@ -178,6 +178,12 @@ extern "C" int gethostname (char *, unsigned int);
 #endif
 #endif
 
+/* Used for -V. */
+#undef LUA_INCLUDED
+#undef PCAP_INCLUDED
+#undef DNET_INCLUDED
+#undef PCRE_INCLUDED
+
 #undef DEC
 #undef LINUX
 #undef FREEBSD

nmap_winconfig.h

@@ -104,4 +104,9 @@
 
 #define HAVE_OPENSSL 1
 
+#define LUA_INCLUDED 1
+#undef PCAP_INCLUDED
+#define DNET_INCLUDED 1
+#define PCRE_INCLUDED 1
+
 #endif /* NMAP_WINCONFIG_H */