在 Windows 10 上使用草莓 perl 安装 Net::Pcap

Question

我正在尝试使用便携式草莓 Perl v5.28.1 版本安装 Net::Pcap (https://metacpan.org/pod/Net::Pcap)，以下是我的步骤：

1.我从https://nmap.org/npcap/#download安装了npcap（windows 10的winpcap）

2.我从https://nmap.org/npcap/#download下载了npcap sdk

3.我将 SDK zip 文件夹解压到 c:/WdpPack 并验证 Include 和 Lib 文件夹是否包含头文件和库

4.然后运行以下命令

perl Makefile.PL INC=-IC:/WpdPack/Include "LIBS=-LC:/WpdPack/Lib -lwpcap"

我收到以下错误消息：

socket.h patched... ok
looking for -lwpcap... yes
checking for pcap_lib_version() in -lwpcap... no
        - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
You appear to lack the WinPcap developer pack.

If it is installed in a non-standard location, please try setting the LIBS
and INC values on the command line.  For instance, if you have unzipped the
developer's pack in C:\WpdPack, you should execute:

    perl Makefile.PL INC=-IC:/WpdPack/Include "LIBS=-LC:/WpdPack/Lib -lwpcap"

Or get and install the WinPcap developer's pack from
  http://www.winpcap.org/install/
        - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

知道如何解决这个问题吗？

Answer 1

我可以通过将 SDK 文件夹从 C:\WdpPack 移动到我的 C:\User 文件夹来编译它。我对 Windows 不太熟悉，所以我不确定为什么会这样，也许与权限有关？

更新：

运行perl Makefile.PL后，运行gmake编译模块失败并报错：

[...]
stubs.inc:91:8: error: redefinition of 'struct pcap_if'
[...]
stubs.inc:267:5: error: conflicting types for 'pcap_compile_nopcap'
[...]
stubs.inc:357:8: error: redefinition of 'struct pcap_rmtauth'
[...]
stubs.inc:363:10: error: conflicting types for 'pcap_open'
[...]
stubs.inc:438:8: error: redefinition of 'struct pcap_send_queue'
[...]
stubs.inc:497:8: error: redefinition of 'struct pcap_samp'

要解决此问题，请编辑文件stubs.inc：

• 删除第 91-97 行

  struct pcap_if {
      struct pcap_if *next;
      char *name;     /* name to hand to "pcap_open_live()" */
      char *description;  /* textual description of interface, or NULL */
      struct pcap_addr *addresses;
      bpf_u_int32 flags;  /* PCAP_IF_ interface flags */
  };
  

• 删除行：267-271

  int pcap_compile_nopcap(int snaplen, int linktype, struct bpf_program *fp, char *str, int optimize, bpf_u_int32 netmask);
  int pcap_compile_nopcap(int snaplen, int linktype, struct bpf_program *fp, char *str, int optimize, bpf_u_int32 netmask) {
      FUNCTION_NOT_IMPLEMENTED_ERROR(pcap_compile_nopcap)
      return -1;
  

• 删除行：357-361

  struct pcap_rmtauth {
      int type;
      char *username;
      char *password;
  };
  

• 删除第 438-442 行：

  struct pcap_send_queue{
      u_int maxlen;
      u_int len;
      char *buffer;
  };
  

• 删除第 519-521 行：

  struct pcap_samp {
     int method;
     int value;
  };
  

现在gmake 编译文件，但链接器失败：

[...]
C:/Strawberry/c/bin/../lib/gcc/x86_64-w64-mingw32/8.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe: Pcap.o:Pcap.c:(.text+0x23be): undefined reference to `pcap_geterr'
C:/Strawberry/c/bin/../lib/gcc/x86_64-w64-mingw32/8.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe: Pcap.o:Pcap.c:(.text+0x2580): undefined reference to `pcap_geterr'
C:/Strawberry/c/bin/../lib/gcc/x86_64-w64-mingw32/8.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe: Pcap.o:Pcap.c:(.text+0x2590): undefined reference to `pcap_stats'
C:/Strawberry/c/bin/../lib/gcc/x86_64-w64-mingw32/8.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe: Pcap.o:Pcap.c:(.text+0x2820): undefined reference to `pcap_fileno'
C:/Strawberry/c/bin/../lib/gcc/x86_64-w64-mingw32/8.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe: Pcap.o:Pcap.c:(.text+0x29c4): undefined reference to `pcap_file'

[...]

这里的问题是我们链接到了 32 位库 wpcap.lib，请参阅 this 帖子。事实证明，在文件夹 Lib/x64 中的 SDK 中有一个 64 位版本的库。所以我们必须用正确的库路径重新运行Makefile.PL：

perl Makefile.PL INC=-IC:/Users/Me/Libraries/npcap/Include "LIBS=-LC:/Users/Me/Libraries/npcap/Lib/x64 -lwpcap"

（更改上述命令中的路径以符合您的SDK安装目录）然后重新运行gmake。