/*
- * cygwin_util.c
- *
* Copyright (c) 2000, 2001, Corinna Vinschen <vinschen@cygnus.com>
*
* Redistribution and use in source and binary forms, with or without
#include "includes.h"
-RCSID("$Id$");
-
#ifdef HAVE_CYGWIN
#include <fcntl.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"))
# undef pipe
#endif
-int binary_open(const char *filename, int flags, ...)
+int
+binary_open(const char *filename, int flags, ...)
{
va_list ap;
mode_t mode;
va_start(ap, flags);
mode = va_arg(ap, mode_t);
va_end(ap);
- return open(filename, flags | O_BINARY, mode);
+ return (open(filename, flags | O_BINARY, mode));
}
-int binary_pipe(int fd[2])
+int
+binary_pipe(int fd[2])
{
int ret = pipe(fd);
if (!ret) {
- setmode (fd[0], O_BINARY);
- setmode (fd[1], O_BINARY);
+ setmode(fd[0], O_BINARY);
+ setmode(fd[1], O_BINARY);
}
- return ret;
+ 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
+has_capability(int what)
{
- /* 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. */
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;
- char *c;
if (!uname(&uts)) {
- int major_high = 0;
- int major_low = 0;
- int minor = 0;
- int api_major_version = 0;
- int api_minor_version = 0;
+ 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);
- c = strchr(uts.release, '(');
- if (c)
+ &major_low, &minor);
+ if ((c = strchr(uts.release, '(')) != NULL) {
sscanf(c + 1, "%d.%d", &api_major_version,
- &api_minor_version);
+ &api_minor_version);
+ }
if (major_high > 1 ||
(major_high == 1 && (major_low > 3 ||
- (major_low == 3 && minor >= 2))))
+ (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;
+ return (has_create_token);
case HAS_NTSEC_BY_DEFAULT:
- return has_ntsec_by_default;
+ return (has_ntsec_by_default);
+ case HAS_CREATE_TOKEN_WO_NTSEC:
+ return (has_create_token_wo_ntsec);
}
- return 0;
+ return (0);
}
-int check_nt_auth(int pwd_authenticated, struct passwd *pw)
+int
+check_nt_auth(int pwd_authenticated, struct passwd *pw)
{
/*
* The only authentication which is able to change the user
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_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 (0);
}
- return 1;
+ return (1);
}
-int check_ntsec(const char *filename)
+int
+check_ntsec(const char *filename)
{
char *cygwin;
- int allow_ntea = 0;
- int allow_ntsec = 0;
+ 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;
+ 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));
+ (has_capability(HAS_NTSEC_BY_DEFAULT) && !ntsec_off(cygwin));
/*
* `ntea' is an emulation of POSIX attributes. It doesn't support
* for security checks.
*/
if (allow_ntea)
- return 1;
+ 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;
+ return (1);
/*
* Only file systems supporting ACLs are able to set permissions.
* ACLs to support POSIX permissions on files.
*/
if (fsstat.f_type & FS_PERSISTENT_ACLS)
- return allow_ntsec;
+ return (allow_ntsec);
- return 0;
+ return (0);
}
-void register_9x_service(void)
+void
+register_9x_service(void)
{
HINSTANCE kerneldll;
DWORD (*RegisterServiceProcess)(DWORD, DWORD);
*/
if (is_winnt)
return;
- if (! (kerneldll = LoadLibrary("KERNEL32.DLL")))
+ if (!(kerneldll = LoadLibrary("KERNEL32.DLL")))
return;
- if (! (RegisterServiceProcess = (DWORD (*)(DWORD, DWORD))
- GetProcAddress(kerneldll, "RegisterServiceProcess")))
+ if (!(RegisterServiceProcess = (DWORD (*)(DWORD, DWORD))
+ GetProcAddress(kerneldll, "RegisterServiceProcess")))
return;
RegisterServiceProcess(0, 1);
}
+#define NL(x) x, (sizeof (x) - 1)
+#define WENV_SIZ (sizeof (wenv_arr) / sizeof (wenv_arr[0]))
+
+static struct wenv {
+ const char *name;
+ size_t namelen;
+} wenv_arr[] = {
+ { NL("ALLUSERSPROFILE=") },
+ { NL("COMMONPROGRAMFILES=") },
+ { NL("COMPUTERNAME=") },
+ { NL("COMSPEC=") },
+ { NL("CYGWIN=") },
+ { NL("NUMBER_OF_PROCESSORS=") },
+ { NL("OS=") },
+ { NL("PATH=") },
+ { NL("PATHEXT=") },
+ { NL("PROCESSOR_ARCHITECTURE=") },
+ { NL("PROCESSOR_IDENTIFIER=") },
+ { NL("PROCESSOR_LEVEL=") },
+ { NL("PROCESSOR_REVISION=") },
+ { NL("PROGRAMFILES=") },
+ { NL("SYSTEMDRIVE=") },
+ { NL("SYSTEMROOT=") },
+ { NL("TMP=") },
+ { NL("TEMP=") },
+ { NL("WINDIR=") }
+};
+
+char **
+fetch_windows_environment(void)
+{
+ char **e, **p;
+ unsigned int i, idx = 0;
+
+ p = xcalloc(WENV_SIZ + 1, sizeof(char *));
+ for (e = environ; *e != NULL; ++e) {
+ for (i = 0; i < WENV_SIZ; ++i) {
+ if (!strncmp(*e, wenv_arr[i].name, wenv_arr[i].namelen))
+ p[idx++] = *e;
+ }
+ }
+ p[idx] = NULL;
+ return p;
+}
+
+void
+free_windows_environment(char **p)
+{
+ xfree(p);
+}
+
#endif /* HAVE_CYGWIN */
andersk / openssh.git / blobdiff