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Cygwin: improve storage and handling of AF_UNIX socket path

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Define new struct sun_name_t and use throughout internally.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2018-02-28 19:06:41 +01:00
parent 892efccb25
commit a27a7752ec
2 changed files with 77 additions and 29 deletions
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29
winsup/cygwin/fhandler.h
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@ -12,6 +12,7 @@ details. */
#include "tty.h"
#include <cygwin/_socketflags.h>
#include <cygwin/_ucred.h>
#include <sys/un.h>
/* fcntl flags used only internaly. */
#define O_NOSYMLINK 0x080000
@ -816,15 +817,31 @@ class fhandler_socket_local: public fhandler_socket_wsock
}
};
struct sun_name_t
{
__socklen_t un_len;
union
{
struct sockaddr_un un;
/* Allows 108 bytes sun_path plus trailing NUL */
char _nul[sizeof (struct sockaddr_un) + 1];
};
};
class fhandler_socket_unix : public fhandler_socket
{
protected:
char *sun_path;
char *peer_sun_path;
void set_sun_path (const char *path);
char *get_sun_path () {return sun_path;}
void set_peer_sun_path (const char *path);
char *get_peer_sun_path () {return peer_sun_path;}
sun_name_t *sun_path;
sun_name_t *peer_sun_path;
sun_name_t *get_sun_path () {return sun_path;}
sun_name_t *get_peer_sun_path () {return peer_sun_path;}
void set_sun_path (struct sockaddr_un *un, __socklen_t unlen);
void set_sun_path (sun_name_t *snt)
{ snt ? set_sun_path (&snt->un, snt->un_len) : set_sun_path (NULL, 0); }
void set_peer_sun_path (struct sockaddr_un *un, __socklen_t unlen);
void set_peer_sun_path (sun_name_t *snt)
{ snt ? set_peer_sun_path (&snt->un, snt->un_len)
: set_peer_sun_path (NULL, 0); }
protected:
struct ucred peer_cred;