diff options
Diffstat (limited to 'win32/win32.c')
| -rw-r--r-- | win32/win32.c | 92 |
1 files changed, 50 insertions, 42 deletions
diff --git a/win32/win32.c b/win32/win32.c index 52692d797f..3f56f600f3 100644 --- a/win32/win32.c +++ b/win32/win32.c @@ -16,18 +16,6 @@ #endif #include <windows.h> -#ifndef __MINGW32__ -#include <lmcons.h> -#include <lmerr.h> -/* ugliness to work around a buggy struct definition in lmwksta.h */ -#undef LPTSTR -#define LPTSTR LPWSTR -#include <lmwksta.h> -#undef LPTSTR -#define LPTSTR LPSTR -#include <lmapibuf.h> -#endif /* __MINGW32__ */ - /* #include "config.h" */ #define PERLIO_NOT_STDIO 0 @@ -3014,43 +3002,63 @@ static XS(w32_DomainName) { dXSARGS; -#ifndef HAS_NETWKSTAGETINFO - /* mingw32 (and Win95) don't have NetWksta*(), so do it the old way */ - char name[256]; - DWORD size = sizeof(name); + HINSTANCE hNetApi32 = LoadLibrary("netapi32.dll"); + DWORD (__stdcall *pfnNetApiBufferFree)(LPVOID Buffer); + DWORD (__stdcall *pfnNetWkstaGetInfo)(LPWSTR servername, DWORD level, + void *bufptr); + + if (hNetApi32) { + pfnNetApiBufferFree = (DWORD (__stdcall *)(void *)) + GetProcAddress(hNetApi32, "NetApiBufferFree"); + pfnNetWkstaGetInfo = (DWORD (__stdcall *)(LPWSTR, DWORD, void *)) + GetProcAddress(hNetApi32, "NetWkstaGetInfo"); + } EXTEND(SP,1); - if (GetUserName(name,&size)) { - char sid[1024]; - DWORD sidlen = sizeof(sid); + if (hNetApi32 && pfnNetWkstaGetInfo && pfnNetApiBufferFree) { + /* this way is more reliable, in case user has a local account. */ char dname[256]; DWORD dnamelen = sizeof(dname); - SID_NAME_USE snu; - if (LookupAccountName(NULL, name, (PSID)&sid, &sidlen, - dname, &dnamelen, &snu)) { - XSRETURN_PV(dname); /* all that for this */ + struct { + DWORD wki100_platform_id; + LPWSTR wki100_computername; + LPWSTR wki100_langroup; + DWORD wki100_ver_major; + DWORD wki100_ver_minor; + } *pwi; + /* NERR_Success *is* 0*/ + if (0 == pfnNetWkstaGetInfo(NULL, 100, &pwi)) { + if (pwi->wki100_langroup && *(pwi->wki100_langroup)) { + WideCharToMultiByte(CP_ACP, NULL, pwi->wki100_langroup, + -1, (LPSTR)dname, dnamelen, NULL, NULL); + } + else { + WideCharToMultiByte(CP_ACP, NULL, pwi->wki100_computername, + -1, (LPSTR)dname, dnamelen, NULL, NULL); + } + pfnNetApiBufferFree(pwi); + FreeLibrary(hNetApi32); + XSRETURN_PV(dname); } + FreeLibrary(hNetApi32); } -#else - /* this way is more reliable, in case user has a local account. - * XXX need dynamic binding of netapi32.dll symbols or this will fail on - * Win95. Probably makes more sense to move it into libwin32. */ - char dname[256]; - DWORD dnamelen = sizeof(dname); - PWKSTA_INFO_100 pwi; - EXTEND(SP,1); - if (NERR_Success == NetWkstaGetInfo(NULL, 100, (LPBYTE*)&pwi)) { - if (pwi->wki100_langroup && *(pwi->wki100_langroup)) { - WideCharToMultiByte(CP_ACP, NULL, pwi->wki100_langroup, - -1, (LPSTR)dname, dnamelen, NULL, NULL); - } - else { - WideCharToMultiByte(CP_ACP, NULL, pwi->wki100_computername, - -1, (LPSTR)dname, dnamelen, NULL, NULL); + else { + /* Win95 doesn't have NetWksta*(), so do it the old way */ + char name[256]; + DWORD size = sizeof(name); + if (hNetApi32) + FreeLibrary(hNetApi32); + if (GetUserName(name,&size)) { + char sid[1024]; + DWORD sidlen = sizeof(sid); + char dname[256]; + DWORD dnamelen = sizeof(dname); + SID_NAME_USE snu; + if (LookupAccountName(NULL, name, (PSID)&sid, &sidlen, + dname, &dnamelen, &snu)) { + XSRETURN_PV(dname); /* all that for this */ + } } - NetApiBufferFree(pwi); - XSRETURN_PV(dname); } -#endif XSRETURN_UNDEF; } |