workspace/cmake/modules/UnixAuth.cmake

   1 find_package(PAM)
   2
   3 include(CheckFunctionExists)
   4 include(CheckLibraryExists)
   5 include(CheckIncludeFiles)
   6
   7 set(UNIXAUTH_LIBRARIES)
   8 set(UNIXAUTH_INCLUDE_DIRS)
   9
  10 set(SHADOW_LIBRARIES)
  11 check_function_exists(getspnam found_getspnam)
  12 if (found_getspnam)
  13     set(HAVE_GETSPNAM 1)
  14 else (found_getspnam)
  15     macro_push_required_vars()
  16     set(CMAKE_REQUIRED_LIBRARIES -lshadow)
  17     check_function_exists(getspnam found_getspnam_shadow)
  18     if (found_getspnam_shadow)
  19         set(HAVE_GETSPNAM 1)
  20         set(SHADOW_LIBRARIES shadow)
  21         check_function_exists(pw_encrypt HAVE_PW_ENCRYPT) # ancient Linux shadow
  22     else (found_getspnam_shadow)
  23         set(CMAKE_REQUIRED_LIBRARIES -lgen) # UnixWare
  24         check_function_exists(getspnam found_getspnam_gen)
  25         if (found_getspnam_gen)
  26             set(HAVE_GETSPNAM 1)
  27             set(SHADOW_LIBRARIES gen)
  28         endif (found_getspnam_gen)
  29     endif (found_getspnam_shadow)
  30     macro_pop_required_vars()
  31 endif (found_getspnam)
  32
  33 set(CRYPT_LIBRARIES)
  34 check_library_exists(crypt crypt "" HAVE_CRYPT)
  35 if (HAVE_CRYPT)
  36     set(CRYPT_LIBRARIES crypt)
  37     check_include_files(crypt.h HAVE_CRYPT_H)
  38 endif (HAVE_CRYPT)
  39
  40 if (PAM_FOUND)
  41
  42     set(HAVE_PAM 1)
  43     set(UNIXAUTH_LIBRARIES ${PAM_LIBRARIES})
  44     set(UNIXAUTH_INCLUDE_DIRS ${PAM_INCLUDE_DIR})
  45
  46 else (PAM_FOUND)
  47
  48     if (HAVE_GETSPNAM)
  49         set(UNIXAUTH_LIBRARIES ${SHADOW_LIBRARIES})
  50     endif (HAVE_GETSPNAM)
  51     if (NOT HAVE_PW_ENCRYPT)
  52         set(UNIXAUTH_LIBRARIES ${UNIXAUTH_LIBRARIES} ${CRYPT_LIBRARIES})
  53     endif (NOT HAVE_PW_ENCRYPT)
  54
  55 endif (PAM_FOUND)