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Cygwin: fhandler_socket_unix: store peer credentials in ucred member 

* Split out cygwin/_ucred.h file
* drop local credentials

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2018-02-28 19:01:29 +01:00
parent 25ea6af172
commit 892efccb25
4 changed files with 30 additions and 22 deletions
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10
winsup/cygwin/fhandler.h
View File

@ -11,6 +11,7 @@ details. */
#include "tty.h"
#include <cygwin/_socketflags.h>
#include <cygwin/_ucred.h>
/* fcntl flags used only internaly. */
#define O_NOSYMLINK 0x080000
@ -824,15 +825,10 @@ class fhandler_socket_unix : public fhandler_socket
char *get_sun_path () {return sun_path;}
void set_peer_sun_path (const char *path);
char *get_peer_sun_path () {return peer_sun_path;}
void set_cred ();
protected:
pid_t sec_pid;
uid_t sec_uid;
gid_t sec_gid;
pid_t sec_peer_pid;
uid_t sec_peer_uid;
gid_t sec_peer_gid;
struct ucred peer_cred;
void set_cred ();
public:
fhandler_socket_unix ();

15
winsup/cygwin/fhandler_socket_unix.cc
View File

@ -178,12 +178,9 @@ fhandler_socket_unix::set_peer_sun_path (const char *path)
void
fhandler_socket_unix::set_cred ()
{
sec_pid = getpid ();
sec_uid = geteuid32 ();
sec_gid = getegid32 ();
sec_peer_pid = (pid_t) 0;
sec_peer_uid = (uid_t) -1;
sec_peer_gid = (gid_t) -1;
peer_cred.pid = (pid_t) 0;
peer_cred.uid = (uid_t) -1;
peer_cred.gid = (gid_t) -1;
}
int
@ -317,11 +314,11 @@ fhandler_socket_unix::getpeereid (pid_t *pid, uid_t *euid, gid_t *egid)
__try
{
if (pid)
*pid = sec_peer_pid;
*pid = peer_cred.pid;
if (euid)
*euid = sec_peer_uid;
*euid = peer_cred.uid;
if (egid)
*egid = sec_peer_gid;
*egid = peer_cred.gid;
return 0;
}
__except (EFAULT) {}

20
winsup/cygwin/include/cygwin/_ucred.h Normal file
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@ -0,0 +1,20 @@
/* cygwin/_ucred.h
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _CYGWIN__UCRED_H
#define _CYGWIN__UCRED_H
#include <sys/types.h>
struct ucred {
pid_t pid;
uid_t uid;
gid_t gid;
};
#endif /* _CYGWIN__UCRED_H */

7
winsup/cygwin/include/cygwin/socket.h
View File

@ -47,12 +47,7 @@ struct sockaddr_storage {
#include <asm/socket.h> /* arch-dependent defines */
#include <cygwin/sockios.h> /* the SIOCxxx I/O controls */
#include <sys/uio.h> /* iovec support */
struct ucred {
pid_t pid;
uid_t uid;
gid_t gid;
};
#include <cygwin/_ucred.h> /* struct ucred */
struct linger {
unsigned short l_onoff; /* Linger active */