mirrors/wayland
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/wayland/wayland.git synced 2025-11-04 13:29:51 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Support reading ucred from the socket on FreeBSD

Browse source 
On FreeBSD we have to use getsockopt(fd, SOL_LOCAL, LOCAL_PEERCRED)
instead. This change is based on a downstream patch in FreeBSD ports.

Co-authored-by: Greg V <greg@unrelenting.technology>
Co-authored-by: Koop Mast <kwm@rainbow-runner.nl>
Signed-off-by: Alex Richardson <Alexander.Richardson@cl.cam.ac.uk>
This commit is contained in:
Alex Richardson 2021-03-15 22:21:12 +00:00 • committed by Alexander Richardson
parent f1552700ce
commit 54b237a612
4 changed files with 63 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

47
src/wayland-os.c
View file

@ -25,14 +25,19 @@
#define _GNU_SOURCE
#include "../config.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/epoll.h>
#include <sys/un.h>
#ifdef HAVE_SYS_UCRED_H
#include <sys/ucred.h>
#endif
#include "../config.h"
#include "wayland-os.h"
static int
@ -72,6 +77,46 @@ wl_os_socket_cloexec(int domain, int type, int protocol)
return set_cloexec_or_close(fd);
}
#if defined(__FreeBSD__)
int
wl_os_socket_peercred(int sockfd, uid_t *uid, gid_t *gid, pid_t *pid)
{
socklen_t len;
struct xucred ucred;
len = sizeof(ucred);
if (getsockopt(sockfd, SOL_LOCAL, LOCAL_PEERCRED, &ucred, &len) < 0 ||
ucred.cr_version != XUCRED_VERSION)
return -1;
*uid = ucred.cr_uid;
*gid = ucred.cr_gid;
#if HAVE_XUCRED_CR_PID
/* Since https://cgit.freebsd.org/src/commit/?id=c5afec6e895a */
*pid = ucred.cr_pid;
#else
*pid = 0;
#endif
return 0;
}
#elif defined(SO_PEERCRED)
int
wl_os_socket_peercred(int sockfd, uid_t *uid, gid_t *gid, pid_t *pid)
{
socklen_t len;
struct ucred ucred;
len = sizeof(ucred);
if (getsockopt(sockfd, SOL_SOCKET, SO_PEERCRED, &ucred, &len) < 0)
return -1;
*uid = ucred.uid;
*gid = ucred.gid;
*pid = ucred.pid;
return 0;
}
#else
#error "Don't know how to read ucred on this platform"
#endif
int
wl_os_dupfd_cloexec(int fd, int minfd)
{