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author | Doug Rabson <dfr@rabson.org> | 2022-08-17 11:18:15 +0100 |
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committer | Doug Rabson <dfr@rabson.org> | 2022-08-18 08:05:42 +0100 |
commit | cb4158889e7a115b4d8bb77c76cc99032d5e8363 (patch) | |
tree | 497174468a41e25962341aa3c28ee6f37a582677 /libpod/oci_conmon_attach_linux.go | |
parent | d43fac20f3025096cdfe45ae32f41886b39e4659 (diff) | |
download | podman-cb4158889e7a115b4d8bb77c76cc99032d5e8363.tar.gz podman-cb4158889e7a115b4d8bb77c76cc99032d5e8363.tar.bz2 podman-cb4158889e7a115b4d8bb77c76cc99032d5e8363.zip |
libpod: Move openUnixSocket to oci_conmon_attach_linux.go
This function depends on linux-specific functionality in /proc/fd to
allow connecting to local domain sockets with pathnames too long for
sockaddr_un.
[NO NEW TESTS NEEDED]
Signed-off-by: Doug Rabson <dfr@rabson.org>
Diffstat (limited to 'libpod/oci_conmon_attach_linux.go')
-rw-r--r-- | libpod/oci_conmon_attach_linux.go | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libpod/oci_conmon_attach_linux.go b/libpod/oci_conmon_attach_linux.go new file mode 100644 index 000000000..f1aa89d3e --- /dev/null +++ b/libpod/oci_conmon_attach_linux.go @@ -0,0 +1,17 @@ +package libpod + +import ( + "fmt" + "net" + + "golang.org/x/sys/unix" +) + +func openUnixSocket(path string) (*net.UnixConn, error) { + fd, err := unix.Open(path, unix.O_PATH, 0) + if err != nil { + return nil, err + } + defer unix.Close(fd) + return net.DialUnix("unixpacket", nil, &net.UnixAddr{Name: fmt.Sprintf("/proc/self/fd/%d", fd), Net: "unixpacket"}) +} |