Fedora: Fix cross-compilation with mingw-wpcap

Fix various issues preventing compilation with Fedora's
MinGW WinPcap package.

capture/capture-pcap-util.c

@@ -75,6 +75,8 @@
 
 #ifndef _WIN32
 #include <netinet/in.h>
+#else
+#include <ws2tcpip.h>
 #endif
 
 #ifdef _WIN32
@@ -1402,11 +1404,13 @@ open_capture_device_pcap_create(
 			    sizeof *open_status_str);
 			break;
 
+#ifdef HAVE_PCAP_ERROR_PROMISC_PERM_DENIED
 		case PCAP_ERROR_PROMISC_PERM_DENIED:
 			*open_status = CAP_DEVICE_OPEN_ERROR_PROMISC_PERM_DENIED;
 			(void) g_strlcpy(*open_status_str, pcap_geterr(pcap_h),
 			    sizeof *open_status_str);
 			break;
+#endif
 
 		case PCAP_ERROR_RFMON_NOTSUP:
 			*open_status = CAP_DEVICE_OPEN_ERROR_RFMON_NOTSUP;
@@ -1448,11 +1452,13 @@ open_capture_device_pcap_create(
 			    sizeof *open_status_str);
 			break;
 
+#ifdef HAVE_PCAP_WARNING_TSTAMP_TYPE_NOTSUP
 		case PCAP_WARNING_TSTAMP_TYPE_NOTSUP:
 			*open_status = CAP_DEVICE_OPEN_WARNING_TSTAMP_TYPE_NOTSUP;
 			(void) g_strlcpy(*open_status_str, pcap_geterr(pcap_h),
 			    sizeof *open_status_str);
 			break;
+#endif
 
 		case PCAP_WARNING:
 			*open_status = CAP_DEVICE_OPEN_WARNING_OTHER;

cmake/modules/FindPCAP.cmake

@@ -105,6 +105,8 @@ find_path(PCAP_INCLUDE_DIR
   NAMES
     pcap/pcap.h
     pcap.h
+  PATH_SUFFIXES
+    wpcap
   HINTS
     ${PC_PCAP_INCLUDE_DIRS}
     ${PCAP_CONFIG_INCLUDE_DIRS}
@@ -115,12 +117,13 @@ find_path(PCAP_INCLUDE_DIR
 # capture\capture-wpcap.c. We don't want to link with pcap.lib since
 # that would bring in the non-capturing (null) pcap.dll from the vcpkg
 # library.
-if(WIN32)
+if(WIN32 AND NOT CMAKE_CROSSCOMPILING)
   set(_pkg_required_vars PCAP_INCLUDE_DIR)
 else()
   find_library(PCAP_LIBRARY
     NAMES
       pcap
+      wpcap
     HINTS
       ${PC_PCAP_LIBRARY_DIRS}
       ${PCAP_CONFIG_LIBRARY_DIRS}
@@ -185,7 +188,7 @@ if(PCAP_FOUND)
 
   include(CheckSymbolExists)
 
-  if(WIN32)
+  if(WIN32 AND NOT CMAKE_CROSSCOMPILING)
     #
     # Prepopulate some values. WinPcap 3.1 and later, and Npcap, have these
     # in their SDK, and compilation checks on Windows can be slow.  We check
@@ -238,7 +241,7 @@ if(PCAP_FOUND)
       #
       check_function_exists( "pcap_setsampling" HAVE_PCAP_SETSAMPLING )
     endif( HAVE_PCAP_OPEN )
-  endif(WIN32)
+  endif()
 
   if( HAVE_PCAP_CREATE )
     #
@@ -257,6 +260,9 @@ if(PCAP_FOUND)
     set( HAVE_PCAP_REMOTE 1 )
   endif()
 
+  check_symbol_exists(PCAP_ERROR_PROMISC_PERM_DENIED ${PCAP_INCLUDE_DIR}/pcap.h HAVE_PCAP_ERROR_PROMISC_PERM_DENIED)
+  check_symbol_exists(PCAP_WARNING_TSTAMP_TYPE_NOTSUP ${PCAP_INCLUDE_DIR}/pcap.h HAVE_PCAP_WARNING_TSTAMP_TYPE_NOTSUP)
+
   cmake_pop_check_state()
 endif()
 

ui/qt/capture_filter_syntax_worker.cpp

@@ -12,6 +12,9 @@
 #ifdef HAVE_LIBPCAP
 #include <glib.h>
 
+#ifdef __MINGW32__
+#include <_bsd_types.h>
+#endif
 #include <pcap.h>
 
 #include "capture_opts.h"

ui/qt/compiled_filter_output.cpp

@@ -13,6 +13,9 @@
 #include "compiled_filter_output.h"
 
 #ifdef HAVE_LIBPCAP
+#ifdef __MINGW32__
+#include <_bsd_types.h>
+#endif
 #include <pcap.h>
 #endif