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Add a function to winfix.cc that checks if the NPF service is running and tries

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to start it (with elevated privileges) if not.
This commit is contained in:
david
2010-01-15 03:54:26 +00:00
parent c73b250615
commit ecca7974a9
2 changed files with 63 additions and 2 deletions
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4
mswin32/nmap.vcproj
View File

@@ -72,7 +72,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="liblua.lib nsock.lib libpcre.lib nbase.lib libdnet-stripped.lib ws2_32.lib IPHlpAPI.Lib wpcap.lib packet.lib advapi32.lib libeay32.lib ssleay32.lib $(NOINHERIT)"
AdditionalDependencies="liblua.lib nsock.lib libpcre.lib nbase.lib libdnet-stripped.lib ws2_32.lib IPHlpAPI.Lib wpcap.lib packet.lib advapi32.lib libeay32.lib ssleay32.lib shell32.lib $(NOINHERIT)"
OutputFile=".\Debug\nmap.exe"
LinkIncremental="2"
SuppressStartupBanner="true"
@@ -165,7 +165,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="liblua.lib nsock.lib libpcre.lib nbase.lib libdnet-stripped.lib ws2_32.lib IPHlpAPI.Lib wpcap.lib packet.lib advapi32.lib libeay32.lib ssleay32.lib $(NOINHERIT)"
AdditionalDependencies="liblua.lib nsock.lib libpcre.lib nbase.lib libdnet-stripped.lib ws2_32.lib IPHlpAPI.Lib wpcap.lib packet.lib advapi32.lib libeay32.lib ssleay32.lib shell32.lib $(NOINHERIT)"
OutputFile=".\Release/nmap.exe"
LinkIncremental="2"
SuppressStartupBanner="true"

61
mswin32/winfix.cc
View File

@@ -93,6 +93,7 @@
#include <winclude.h>
#include <sys/timeb.h>
#include <shellapi.h>
#include "..\nmap.h"
@@ -129,6 +130,64 @@ void win_pre_init() {
fatal("failed to start winsock.\n");
}
/* Check if the NPF service is running on Windows, and try to start it if it's
not. Return true if it was running or we were able to start it, false
otherwise. */
static bool start_npf() {
SC_HANDLE scm, npf;
SERVICE_STATUS service;
bool npf_running;
int ret;
scm = NULL;
npf = NULL;
scm = OpenSCManager(NULL, NULL, 0);
if (scm == NULL) {
error("Error in OpenSCManager");
goto quit_error;
}
npf = OpenService(scm, "npf", SC_MANAGER_CONNECT | SERVICE_QUERY_STATUS);
if (npf == NULL) {
error("Error in OpenService");
goto quit_error;
}
if (!QueryServiceStatus(npf, &service)) {
goto quit_error;
error("Error in QueryServiceStatus");
}
npf_running = (service.dwCurrentState & SERVICE_RUNNING) != 0;
CloseServiceHandle(scm);
CloseServiceHandle(npf);
if (npf_running) {
if (o.debugging > 1)
log_write(LOG_PLAIN, "NPF service is already running.\n");
return true;
}
/* NPF is not running. Try to start it. */
if (o.debugging > 1)
log_write(LOG_PLAIN, "NPF service is not running.\n");
ret = (int) ShellExecute(0, "runas", "net.exe", "start npf", 0, SW_HIDE);
if (ret <= 32) {
error("Unable to start npf service: error code %d.", ret);
return false;
}
return true;
quit_error:
if (scm != NULL)
CloseHandle(scm);
if (npf != NULL)
CloseHandle(npf);
return false;
}
/* Requires that win_pre_init() has already been called, also that
options processing has been done so that o.debugging is
available */
@@ -175,6 +234,8 @@ void win_init()
#endif
if(o.debugging)
printf("Winpcap present, dynamic linked to: %s\n", pcap_lib_version());
o.have_pcap = o.have_pcap && start_npf();
}
#ifdef _MSC_VER
__except (1) {