make pcre an NSE C module

2025-12-22 07:29:01 +00:00 · 2007-08-11 06:05:48 +00:00
parent 0dc44d08b0
commit 78f15a7f65
10 changed files with 181 additions and 55 deletions
--- a/Makefile.in
+++ b/Makefile.in
@@ -56,9 +56,9 @@ INSTALLNSE=@INSTALLNSE@
 INSTALLUMIT=@INSTALLUMIT@

 ifneq (@LIBLUA_LIBS@,)
-NSE_SRC=nse_main.cc nse_auxiliar.cc nse_nsock.cc nse_init.cc nse_nmaplib.cc nse_debug.cc nse_pcrelib.cc nse_string.cc 
-NSE_HDRS=nse_main.h nse_auxiliar.h nse_nsock.h nse_init.h nse_nmaplib.h nse_debug.h nse_macros.h nse_pcrelib.h nse_string.h
-NSE_OBJS=nse_main.o nse_auxiliar.o nse_nsock.o nse_init.o nse_nmaplib.o nse_debug.o nse_pcrelib.o nse_string.o
+NSE_SRC=nse_main.cc nse_auxiliar.cc nse_nsock.cc nse_init.cc nse_nmaplib.cc nse_debug.cc nse_string.cc 
+NSE_HDRS=nse_main.h nse_auxiliar.h nse_nsock.h nse_init.h nse_nmaplib.h nse_debug.h nse_macros.h nse_string.h
+NSE_OBJS=nse_main.o nse_auxiliar.o nse_nsock.o nse_init.o nse_nmaplib.o nse_debug.o nse_string.o
 NSESTDLIB=nsestdlib
 endif

--- a/mswin32/nmap.vcproj
+++ b/mswin32/nmap.vcproj
@@ -285,10 +285,6 @@
 				RelativePath="..\nse_nsock.cc"
 				>
 			</File>
-			<File
-				RelativePath="..\nse_pcrelib.cc"
-				>
-			</File>
 			<File
 				RelativePath="..\nse_string.cc"
 				>
@@ -474,10 +470,6 @@
 				RelativePath="..\nse_nsock.h"
 				>
 			</File>
-			<File
-				RelativePath="..\nse_pcrelib.h"
-				>
-			</File>
 			<File
 				RelativePath="..\nse_string.h"
 				>
--- a/nse_init.cc
+++ b/nse_init.cc
@@ -4,7 +4,6 @@
 #include "nse_debug.h"

 // 3rd Party libs
-#include "nse_pcrelib.h"

 #include "nbase.h"

@@ -44,7 +43,6 @@ int init_lua(lua_State* l) {
 		{LUA_STRLIBNAME, luaopen_string},
 		{LUA_MATHLIBNAME, luaopen_math},
 		{LUA_DBLIBNAME, luaopen_debug},
-		{NSE_PCRELIBNAME, luaopen_pcrelib},
 		{NULL, NULL}
 	}; 

--- a/nse_pcrelib.h
+++ b/nse_pcrelib.h
@@ -1,9 +0,0 @@
-#ifndef NSE_PCRELIB
-#define NSE_PCRELIB
-
-#define NSE_PCRELIBNAME "pcre"
-
-LUALIB_API int luaopen_pcrelib (lua_State *L);
-
-#endif
-
--- a/nselib/Makefile.in
+++ b/nselib/Makefile.in
@@ -12,15 +12,21 @@ INSTALL = $(SHTOOL) install
 LIBTOOL= ./libtool
 LTFLAGS = --tag=CC --silent

-all: bit.so
+all: bit.so pcre.so

 bit.so: bit.c @LIBTOOL_DEPS@
 	$(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) @LUAINCLUDE@ $(CFLAGS) -c bit.c
 	$(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -avoid-version -module -rpath /usr/local/lib -o bit.la bit.lo
 	mv .libs/bit.so bit.so

+pcre.so: pcre.c @LIBTOOL_DEPS@
+	$(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) @NBASE_INCLUDE@ @PCRE_INCLUDE@ @LUAINCLUDE@ $(CFLAGS) -c pcre.c
+	$(LIBTOOL) $(LTFLAGS) --mode=link $(CC) @NBASE_LD@ @PCRE_LD@ @NBASE_LIBS@ @PCRE_LIBS@ -avoid-version -module -rpath /usr/local/lib -o pcre.la pcre.lo
+	mv .libs/pcre.so pcre.so
+
+
 clean: 
-	rm -f bit.so *.la *.lo
+	rm -f bit.so pcre.so *.la *.lo
 	rm -rf .libs

 distclean: clean
--- a/nselib/configure
+++ b/nselib/configure
@@ -837,6 +837,12 @@ ac_ct_F77
 LIBTOOL
 LIBTOOL_DEPS
 LUAINCLUDE
+NBASE_LIBS
+NBASE_LD
+NBASE_INCLUDE
+PCRE_INCLUDE
+PCRE_LD
+PCRE_LIBS
 LIBOBJS
 LTLIBOBJS'
 ac_subst_files=''
@@ -1440,6 +1446,10 @@ Optional Packages:
  --with-pic              try to use only PIC/non-PIC objects [default=use
                          both]
  --with-tags[=TAGS]      include additional configurations [automatic]
+  --with-libnbase=DIR     Look for nbase include/libs in DIR
+  --with-libpcre=DIR      Use an existing (compiled) pcre lib from DIR/include
+                          and DIR/lib.
+  --with-libpcre=included Always use the version included with Nmap

 Some influential environment variables:
  CC          C compiler command
@@ -3631,7 +3641,7 @@ ia64-*-hpux*)
  ;;
 *-*-irix6*)
  # Find out which ABI we are using.
-  echo '#line 3634 "configure"' > conftest.$ac_ext
+  echo '#line 3644 "configure"' > conftest.$ac_ext
  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>&5
  ac_status=$?
@@ -6253,11 +6263,11 @@ else
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:6256: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:6266: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
-   echo "$as_me:6260: \$? = $ac_status" >&5
+   echo "$as_me:6270: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
@@ -6521,11 +6531,11 @@ else
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:6524: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:6534: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
-   echo "$as_me:6528: \$? = $ac_status" >&5
+   echo "$as_me:6538: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
@@ -6625,11 +6635,11 @@ else
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:6628: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:6638: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>out/conftest.err)
   ac_status=$?
   cat out/conftest.err >&5
-   echo "$as_me:6632: \$? = $ac_status" >&5
+   echo "$as_me:6642: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s out/conftest2.$ac_objext
   then
     # The compiler can only warn and ignore the option if not recognized
@@ -8922,7 +8932,7 @@ else
  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
  lt_status=$lt_dlunknown
  cat > conftest.$ac_ext <<EOF
-#line 8925 "configure"
+#line 8935 "configure"
 #include "confdefs.h"

 #if HAVE_DLFCN_H
@@ -9022,7 +9032,7 @@ else
  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
  lt_status=$lt_dlunknown
  cat > conftest.$ac_ext <<EOF
-#line 9025 "configure"
+#line 9035 "configure"
 #include "confdefs.h"

 #if HAVE_DLFCN_H
@@ -11362,11 +11372,11 @@ else
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:11365: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:11375: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
-   echo "$as_me:11369: \$? = $ac_status" >&5
+   echo "$as_me:11379: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
@@ -11466,11 +11476,11 @@ else
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:11469: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:11479: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>out/conftest.err)
   ac_status=$?
   cat out/conftest.err >&5
-   echo "$as_me:11473: \$? = $ac_status" >&5
+   echo "$as_me:11483: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s out/conftest2.$ac_objext
   then
     # The compiler can only warn and ignore the option if not recognized
@@ -13027,11 +13037,11 @@ else
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13030: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13040: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
-   echo "$as_me:13034: \$? = $ac_status" >&5
+   echo "$as_me:13044: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
@@ -13131,11 +13141,11 @@ else
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13134: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13144: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>out/conftest.err)
   ac_status=$?
   cat out/conftest.err >&5
-   echo "$as_me:13138: \$? = $ac_status" >&5
+   echo "$as_me:13148: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s out/conftest2.$ac_objext
   then
     # The compiler can only warn and ignore the option if not recognized
@@ -15322,11 +15332,11 @@ else
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:15325: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:15335: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
-   echo "$as_me:15329: \$? = $ac_status" >&5
+   echo "$as_me:15339: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
@@ -15590,11 +15600,11 @@ else
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:15593: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:15603: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
-   echo "$as_me:15597: \$? = $ac_status" >&5
+   echo "$as_me:15607: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
@@ -15694,11 +15704,11 @@ else
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:15697: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:15707: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>out/conftest.err)
   ac_status=$?
   cat out/conftest.err >&5
-   echo "$as_me:15701: \$? = $ac_status" >&5
+   echo "$as_me:15711: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s out/conftest2.$ac_objext
   then
     # The compiler can only warn and ignore the option if not recognized
@@ -18523,6 +18533,61 @@ fi



+#needed for pcre - libpcre and nbase
+
+# Check whether --with-libnbase was given.
+if test "${with_libnbase+set}" = set; then
+  withval=$with_libnbase;   case "$with_libnbase" in
+  yes)
+    ;;
+  *)
+    NBASEDIR="$with_libnbase"
+    ;;
+  esac
+else
+  NBASEDIR="../nbase"
+
+fi
+
+
+
+NBASE_INCLUDE="-I$NBASEDIR"
+NBASE_LD="-L$NBASEDIR"
+NBASE_LIBS="-lnbase"
+
+
+
+
+
+# First we test whether they specified libpcre explicitly
+
+# Check whether --with-libpcre was given.
+if test "${with_libpcre+set}" = set; then
+  withval=$with_libpcre;   case "$with_libpcre" in
+  yes)
+    ;;
+  included)
+	PCREDIR="../libpcre"
+    ;;
+  *)
+    PCREDIR="$with_libpcre"
+    ;;
+  esac
+else
+  PCREDIR="../libpcre"
+
+fi
+
+PCRE_INCLUDE="-I$PCREDIR"
+PCRE_LD="-L$PCREDIR"
+PCRE_LIBS="-lpcre"
+
+# AC_SUBST(PCREDIR)
+
+
+
+
+
 ac_config_files="$ac_config_files Makefile"

 cat >confcache <<\_ACEOF
@@ -19223,11 +19288,17 @@ ac_ct_F77!$ac_ct_F77$ac_delim
 LIBTOOL!$LIBTOOL$ac_delim
 LIBTOOL_DEPS!$LIBTOOL_DEPS$ac_delim
 LUAINCLUDE!$LUAINCLUDE$ac_delim
+NBASE_LIBS!$NBASE_LIBS$ac_delim
+NBASE_LD!$NBASE_LD$ac_delim
+NBASE_INCLUDE!$NBASE_INCLUDE$ac_delim
+PCRE_INCLUDE!$PCRE_INCLUDE$ac_delim
+PCRE_LD!$PCRE_LD$ac_delim
+PCRE_LIBS!$PCRE_LIBS$ac_delim
 LIBOBJS!$LIBOBJS$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF

-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 72; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 78; then
    break
  elif $ac_last_try; then
    { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
--- a/nselib/configure.ac
+++ b/nselib/configure.ac
@@ -19,6 +19,54 @@ AC_CANONICAL_HOST
 AC_CHECK_HEADER([lua.h],,[AC_MSG_NOTICE(using lua-includefiles provided with nmap);[LUAINCLUDE=-I../liblua/]],)
 AC_SUBST(LUAINCLUDE)

+#needed for pcre - libpcre and nbase
+AC_ARG_WITH(libnbase,
+AC_HELP_STRING([--with-libnbase=DIR], [Look for nbase include/libs in DIR]),
+[  case "$with_libnbase" in
+  yes)
+    ;;
+  *)
+    NBASEDIR="$with_libnbase"
+    ;;
+  esac],
+NBASEDIR="../nbase"
+)
+
+
+NBASE_INCLUDE="-I$NBASEDIR"
+NBASE_LD="-L$NBASEDIR"
+NBASE_LIBS="-lnbase"
+
+AC_SUBST(NBASE_LIBS)
+AC_SUBST(NBASE_LD)
+AC_SUBST(NBASE_INCLUDE)
+
+# First we test whether they specified libpcre explicitly
+AC_ARG_WITH(libpcre,
+AC_HELP_STRING([--with-libpcre=DIR], [Use an existing (compiled) pcre lib from DIR/include and DIR/lib.])
+AC_HELP_STRING([--with-libpcre=included], [Always use the version included with Nmap]),
+[  case "$with_libpcre" in
+  yes)
+    ;;
+  included)
+	PCREDIR="../libpcre"
+    ;;
+  *)
+    PCREDIR="$with_libpcre"
+    ;;
+  esac], 
+PCREDIR="../libpcre"
+)
+PCRE_INCLUDE="-I$PCREDIR"
+PCRE_LD="-L$PCREDIR"
+PCRE_LIBS="-lpcre"
+
+# AC_SUBST(PCREDIR)
+AC_SUBST(PCRE_INCLUDE)
+AC_SUBST(PCRE_LD)
+AC_SUBST(PCRE_LIBS)
+
+
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT

--- a/nse_pcrelib.cc
+++ b/nse_pcrelib.cc
@@ -7,18 +7,20 @@
 #include <stdlib.h>
 #include <string.h>

+#ifdef __cplusplus
 extern "C" {
+#endif
 #include "lua.h"
 #include "lauxlib.h"
+
+#ifdef __cplusplus
 }
+#endif

 #include <locale.h>
 #include <pcre.h>

-#include "nbase.h"
-#include "nmap_error.h"
-
-#include "nse_pcrelib.h"
+#include "pcre.h"

 static void L_lua_error(lua_State *L, const char *message)
 {
@@ -147,9 +149,17 @@ static int Lpcre_comp(lua_State *L)
 	if(error) L_lua_error(L, error);

 	pcre_fullinfo(ud->pr, ud->extra, PCRE_INFO_CAPTURECOUNT, &ud->ncapt);
+	/* since some platforms have problems with nbase and exporting symbols we
+	 * emulate it 
+	 */
+	if(((ud->ncapt + 1) * 3 * sizeof(int))<0){
+		L_lua_error(L, "PCRE: negative argument to malloc");
+	}
 	/* need (2 ints per capture, plus one for substring match) * 3/2 */
-	ud->match = (int *) safe_malloc((ud->ncapt + 1) * 3 * sizeof(int));
-
+	ud->match = (int *) malloc((ud->ncapt + 1) * 3 * sizeof(int));
+	if(ud->match==NULL){
+		L_lua_error(L, "PCRE: malloc failed!");
+	}
 	return 1;
 }

@@ -362,7 +372,7 @@ static const luaL_reg pcrelib[] = {
 	{NULL, NULL}
 };

-LUALIB_API int luaopen_pcrelib(lua_State *L)
+LUALIB_API int luaopen_pcre(lua_State *L)
 {
 	createmeta(L, pcre_handle);
 	luaL_openlib(L, NULL, pcremeta, 0);
--- a/nselib/pcre.h
+++ b/nselib/pcre.h
@@ -0,0 +1,9 @@
+#ifndef PCRE_H
+#define PCRE_H
+
+#define NSE_PCRELIBNAME "pcre"
+
+LUALIB_API int luaopen_pcre(lua_State *L);
+
+#endif
+
--- a/scripts/ircServerInfo.nse
+++ b/scripts/ircServerInfo.nse
@@ -10,6 +10,7 @@ categories = {"discovery"}

 require("stdnse")
 require "shortport"
+require "pcre"

 portrule = shortport.port_or_service(6667, "irc")