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Avoid SOCK_CLOEXEC on Darwin

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Signed-off-by: Torrekie Gen <me@torrekie.dev>
This commit is contained in:
Torrekie 2024-04-20 18:27:23 +08:00 • committed by Liang Qi
parent 495e700289
commit 796018a68f
8 changed files with 155 additions and 8 deletions
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23
src/wayland-os.c
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@ -74,18 +74,20 @@ int
wl_os_socket_cloexec(int domain, int type, int protocol)
{
int fd;
#if !defined(__APPLE__)
/* It is ok to bypass this logic on Darwin,
FD_CLOEXEC will be set by set_cloexec_or_close() */
fd = wl_socket(domain, type | SOCK_CLOEXEC, protocol);
if (fd >= 0)
return fd;
if (errno != EINVAL)
return -1;
#endif
fd = wl_socket(domain, type, protocol);
return set_cloexec_or_close(fd);
}
#if defined(__FreeBSD__)
#if defined(LOCAL_PEERCRED)
int
wl_os_socket_peercred(int sockfd, uid_t *uid, gid_t *gid, pid_t *pid)
{
@ -101,6 +103,14 @@ wl_os_socket_peercred(int sockfd, uid_t *uid, gid_t *gid, pid_t *pid)
#if HAVE_XUCRED_CR_PID
/* Since https://cgit.freebsd.org/src/commit/?id=c5afec6e895a */
*pid = ucred.cr_pid;
#elif defined(LOCAL_PEERPID)
/* Try LOCAL_PEERPID if no cr_pid in xucred */
size_t pid_size;
pid_t peerpid;
if (getsockopt(sockfd, SOL_LOCAL, LOCAL_PEERPID, &peerpid, &pid_size))
*pid = peerpid;
else
*pid = 0;
#else
*pid = 0;
#endif
@ -178,13 +188,16 @@ recvmsg_cloexec_fallback(int sockfd, struct msghdr *msg, int flags)
ssize_t
wl_os_recvmsg_cloexec(int sockfd, struct msghdr *msg, int flags)
{
#if HAVE_BROKEN_MSG_CMSG_CLOEXEC
#if HAVE_BROKEN_MSG_CMSG_CLOEXEC || defined(__APPLE__)
/*
* FreeBSD had a broken implementation of MSG_CMSG_CLOEXEC between 2015
* and 2021, so we have to use the non-MSG_CMSG_CLOEXEC fallback
* directly when compiling against a version that does not include the
* fix (https://cgit.freebsd.org/src/commit/?id=6ceacebdf52211).
*/
/*
* Darwin has no MSG_CMSG_CLOEXEC, so use fallback too.
*/
#pragma message("Using fallback directly since MSG_CMSG_CLOEXEC is broken.")
#else
ssize_t len;
@ -220,7 +233,7 @@ wl_os_accept_cloexec(int sockfd, struct sockaddr *addr, socklen_t *addrlen)
{
int fd;
#ifdef HAVE_ACCEPT4
#if defined(HAVE_ACCEPT4) && !defined(__APPLE__)
fd = accept4(sockfd, addr, addrlen, SOCK_CLOEXEC);
if (fd >= 0)
return fd;