diff options
Diffstat (limited to 'src/sysutils.c')
| -rw-r--r-- | src/sysutils.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/src/sysutils.c b/src/sysutils.c index 132f1d3..7bebd4b 100644 --- a/src/sysutils.c +++ b/src/sysutils.c @@ -263,15 +263,27 @@ _gpgrt_setenv (const char *name, const char *value, int overwrite) wchar_t * _gpgrt_fname_to_wchar (const char *fname) { + static int no_extlenpath; wchar_t *wname; wchar_t *wfullpath = NULL; int success = 0; + if (!no_extlenpath) + { + const char *s = getenv ("GPGRT_DISABLE_EXTLENPATH"); + if (s && atoi (s)) + no_extlenpath = 1; + else + no_extlenpath = -1; + } + wname = _gpgrt_utf8_to_wchar (fname); if (!wname) return NULL; - if (!strncmp (fname, "\\\\?\\", 4)) + if (no_extlenpath > 0) + success = 1; /* Extended length path support has been disabled. */ + else if (!strncmp (fname, "\\\\?\\", 4) || !strncmp (fname, "//?/", 4)) success = 1; /* Already translated. */ else if (strpbrk (fname, "/\\") || wcslen (wname) > 60) { @@ -285,10 +297,16 @@ _gpgrt_fname_to_wchar (const char *fname) if (!wfullpath) goto leave; - if (*fname == '\\' && fname[1] == '\\' && fname[2]) + if (((*fname == '\\' && fname[1] == '\\') + ||(*fname == '/' && fname[1] == '/')) && fname[2]) { - wcscpy (wfullpath, L"\\\\?\\UNC\\"); - extralen = 8; + /* Note that the GFPN call below will append the UNC name + * and thus two leading backslashes. However, for an + * extended length path only one backslash is expected after + * the prefix. We handle this by replacing the first + * backslash with the C from UNC after the GFPN call. */ + wcscpy (wfullpath, L"\\\\?\\UN"); + extralen = 6; } else { @@ -319,6 +337,10 @@ _gpgrt_fname_to_wchar (const char *fname) _gpgrt_free_wchar (wname); wname = wfullpath; wfullpath = NULL; + + if (extralen == 6) + wname[6] = 'C'; /* Replace first backslash - see above. */ + /* Need to make sure that all slashes are mapped. */ for (w = wname; *w; w++) if (*w == L'/') |