diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/w32-io.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/w32-io.c b/src/w32-io.c index 8e7abd32..9aaaeeb8 100644 --- a/src/w32-io.c +++ b/src/w32-io.c @@ -50,6 +50,7 @@ #include "sema.h" #include "priv-io.h" #include "debug.h" +#include "sys-util.h" /* FIXME: Optimize. */ @@ -1605,6 +1606,31 @@ _gpgme_io_spawn (const char *path, char *const argv[], unsigned int flags, cr_flags |= DETACHED_PROCESS; cr_flags |= GetPriorityClass (GetCurrentProcess ()); spawnhelper = _gpgme_get_w32spawn_path (); + if (!spawnhelper) + { + /* This is a common mistake for new users of gpgme not to include + gpgme-w32spawn.exe with their binary. So we want to make + this transparent to developers. If users have somehow messed + up their installation this should also be properly communicated + as otherwise calls to gnupg will result in unsupported protocol + errors that do not explain a lot. */ + char *msg; + gpgrt_asprintf (&msg, "gpgme-w32spawn.exe was not found in the " + "detected installation directory of GpgME" + "\n\t\"%s\"\n\n" + "Crypto operations will not work.\n\n" + "If you see this it indicates a problem " + "with your installation.\n" + "Please report the problem to your " + "distributor of GpgME.\n\n" + "Developers Note: The install dir can be " + "manually set with: gpgme_set_global_flag", + _gpgme_get_inst_dir ()); + MessageBoxA (NULL, msg, "GpgME not installed correctly", MB_OK); + free (msg); + gpg_err_set_errno (EIO); + return TRACE_SYSRES (-1); + } if (!CreateProcessA (spawnhelper, arg_string, &sec_attr, /* process security attributes */ |