#ifdef HAVE_CYGWIN
-#include <fcntl.h>
-#include <stdlib.h>
-#include <sys/utsname.h>
-#include <sys/vfs.h>
-#include <windows.h>
-#include "xmalloc.h"
-#define is_winnt (GetVersion() < 0x80000000)
-
-#define ntsec_on(c) ((c) && strstr((c),"ntsec") && !strstr((c),"nontsec"))
-#define ntsec_off(c) ((c) && strstr((c),"nontsec"))
-#define ntea_on(c) ((c) && strstr((c),"ntea") && !strstr((c),"nontea"))
-
#if defined(open) && open == binary_open
# undef open
#endif
# undef pipe
#endif
+#include <sys/types.h>
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <windows.h>
+
+#include "xmalloc.h"
+
int
binary_open(const char *filename, int flags, ...)
{
return (ret);
}
-#define HAS_CREATE_TOKEN 1
-#define HAS_NTSEC_BY_DEFAULT 2
-#define HAS_CREATE_TOKEN_WO_NTSEC 3
-
-static int
-has_capability(int what)
-{
- static int inited;
- static int has_create_token;
- static int has_ntsec_by_default;
- static int has_create_token_wo_ntsec;
-
- /*
- * has_capability() basically calls uname() and checks if
- * specific capabilities of Cygwin can be evaluated from that.
- * This simplifies the calling functions which only have to ask
- * for a capability using has_capability() instead of having
- * to figure that out by themselves.
- */
- if (!inited) {
- struct utsname uts;
-
- if (!uname(&uts)) {
- int major_high = 0, major_low = 0, minor = 0;
- int api_major_version = 0, api_minor_version = 0;
- char *c;
-
- sscanf(uts.release, "%d.%d.%d", &major_high,
- &major_low, &minor);
- if ((c = strchr(uts.release, '(')) != NULL) {
- sscanf(c + 1, "%d.%d", &api_major_version,
- &api_minor_version);
- }
- if (major_high > 1 ||
- (major_high == 1 && (major_low > 3 ||
- (major_low == 3 && minor >= 2))))
- has_create_token = 1;
- if (api_major_version > 0 || api_minor_version >= 56)
- has_ntsec_by_default = 1;
- if (major_high > 1 ||
- (major_high == 1 && major_low >= 5))
- has_create_token_wo_ntsec = 1;
- inited = 1;
- }
- }
- switch (what) {
- case HAS_CREATE_TOKEN:
- return (has_create_token);
- case HAS_NTSEC_BY_DEFAULT:
- return (has_ntsec_by_default);
- case HAS_CREATE_TOKEN_WO_NTSEC:
- return (has_create_token_wo_ntsec);
- }
- return (0);
-}
-
-int
-check_nt_auth(int pwd_authenticated, struct passwd *pw)
-{
- /*
- * The only authentication which is able to change the user
- * context on NT systems is the password authentication. So
- * we deny all requsts for changing the user context if another
- * authentication method is used.
- *
- * This doesn't apply to Cygwin versions >= 1.3.2 anymore which
- * uses the undocumented NtCreateToken() call to create a user
- * token if the process has the appropriate privileges and if
- * CYGWIN ntsec setting is on.
- */
- static int has_create_token = -1;
-
- if (pw == NULL)
- return 0;
- if (is_winnt) {
- if (has_create_token < 0) {
- char *cygwin = getenv("CYGWIN");
-
- has_create_token = 0;
- if (has_capability(HAS_CREATE_TOKEN) &&
- (ntsec_on(cygwin) ||
- (has_capability(HAS_NTSEC_BY_DEFAULT) &&
- !ntsec_off(cygwin)) ||
- has_capability(HAS_CREATE_TOKEN_WO_NTSEC)))
- has_create_token = 1;
- }
- if (has_create_token < 1 &&
- !pwd_authenticated && geteuid() != pw->pw_uid)
- return (0);
- }
- return (1);
-}
-
int
check_ntsec(const char *filename)
{
- char *cygwin;
- int allow_ntea = 0, allow_ntsec = 0;
- struct statfs fsstat;
-
- /* Windows 95/98/ME don't support file system security at all. */
- if (!is_winnt)
- return (0);
-
- /* Evaluate current CYGWIN settings. */
- cygwin = getenv("CYGWIN");
- allow_ntea = ntea_on(cygwin);
- allow_ntsec = ntsec_on(cygwin) ||
- (has_capability(HAS_NTSEC_BY_DEFAULT) && !ntsec_off(cygwin));
-
- /*
- * `ntea' is an emulation of POSIX attributes. It doesn't support
- * real file level security as ntsec on NTFS file systems does
- * but it supports FAT filesystems. `ntea' is minimum requirement
- * for security checks.
- */
- if (allow_ntea)
- return (1);
-
- /*
- * Retrieve file system flags. In Cygwin, file system flags are
- * copied to f_type which has no meaning in Win32 itself.
- */
- if (statfs(filename, &fsstat))
- return (1);
-
- /*
- * Only file systems supporting ACLs are able to set permissions.
- * `ntsec' is the setting in Cygwin which switches using of NTFS
- * ACLs to support POSIX permissions on files.
- */
- if (fsstat.f_type & FS_PERSISTENT_ACLS)
- return (allow_ntsec);
-
- return (0);
-}
-
-void
-register_9x_service(void)
-{
- HINSTANCE kerneldll;
- DWORD (*RegisterServiceProcess)(DWORD, DWORD);
-
- /* The service register mechanism in 9x/Me is pretty different from
- * NT/2K/XP. In NT/2K/XP we're using a special service starter
- * application to register and control sshd as service. This method
- * doesn't play nicely with 9x/Me. For that reason we register here
- * as service when running under 9x/Me. This function is only called
- * by the child sshd when it's going to daemonize.
- */
- if (is_winnt)
- return;
- if (!(kerneldll = LoadLibrary("KERNEL32.DLL")))
- return;
- if (!(RegisterServiceProcess = (DWORD (*)(DWORD, DWORD))
- GetProcAddress(kerneldll, "RegisterServiceProcess")))
- return;
- RegisterServiceProcess(0, 1);
+ return (pathconf(filename, _PC_POSIX_PERMISSIONS));
}
#define NL(x) x, (sizeof (x) - 1)
andersk / openssh.git / blobdiff