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-rw-r--r--cmd/podman/user.go121
1 files changed, 0 insertions, 121 deletions
diff --git a/cmd/podman/user.go b/cmd/podman/user.go
deleted file mode 100644
index 3e2e308c5..000000000
--- a/cmd/podman/user.go
+++ /dev/null
@@ -1,121 +0,0 @@
-package main
-
-// #include <sys/types.h>
-// #include <grp.h>
-// #include <pwd.h>
-// #include <stdlib.h>
-// #include <stdio.h>
-// #include <string.h>
-// typedef FILE * pFILE;
-import "C"
-
-import (
- "fmt"
- "os/user"
- "path/filepath"
- "sync"
- "syscall"
- "unsafe"
-
- "github.com/pkg/errors"
-)
-
-func fopenContainerFile(rootdir, filename string) (C.pFILE, error) {
- var st, lst syscall.Stat_t
-
- ctrfile := filepath.Join(rootdir, filename)
- cctrfile := C.CString(ctrfile)
- defer C.free(unsafe.Pointer(cctrfile))
- mode := C.CString("r")
- defer C.free(unsafe.Pointer(mode))
- f, err := C.fopen(cctrfile, mode)
- if f == nil || err != nil {
- return nil, errors.Wrapf(err, "error opening %q", ctrfile)
- }
- if err = syscall.Fstat(int(C.fileno(f)), &st); err != nil {
- return nil, errors.Wrapf(err, "fstat(%q)", ctrfile)
- }
- if err = syscall.Lstat(ctrfile, &lst); err != nil {
- return nil, errors.Wrapf(err, "lstat(%q)", ctrfile)
- }
- if st.Dev != lst.Dev || st.Ino != lst.Ino {
- return nil, errors.Errorf("%q is not a regular file", ctrfile)
- }
- return f, nil
-}
-
-var (
- lookupUser, lookupGroup sync.Mutex
-)
-
-func lookupUserInContainer(rootdir, username string) (uint64, uint64, error) {
- name := C.CString(username)
- defer C.free(unsafe.Pointer(name))
-
- f, err := fopenContainerFile(rootdir, "/etc/passwd")
- if err != nil {
- return 0, 0, err
- }
- defer C.fclose(f)
-
- lookupUser.Lock()
- defer lookupUser.Unlock()
-
- pwd := C.fgetpwent(f)
- for pwd != nil {
- if C.strcmp(pwd.pw_name, name) != 0 {
- pwd = C.fgetpwent(f)
- continue
- }
- return uint64(pwd.pw_uid), uint64(pwd.pw_gid), nil
- }
-
- return 0, 0, user.UnknownUserError(fmt.Sprintf("error looking up user %q", username))
-}
-
-func lookupGroupForUIDInContainer(rootdir string, userid uint64) (string, uint64, error) {
- f, err := fopenContainerFile(rootdir, "/etc/passwd")
- if err != nil {
- return "", 0, err
- }
- defer C.fclose(f)
-
- lookupUser.Lock()
- defer lookupUser.Unlock()
-
- pwd := C.fgetpwent(f)
- for pwd != nil {
- if uint64(pwd.pw_uid) != userid {
- pwd = C.fgetpwent(f)
- continue
- }
- return C.GoString(pwd.pw_name), uint64(pwd.pw_gid), nil
- }
-
- return "", 0, user.UnknownUserError(fmt.Sprintf("error looking up user with UID %d", userid))
-}
-
-func lookupGroupInContainer(rootdir, groupname string) (uint64, error) {
- name := C.CString(groupname)
- defer C.free(unsafe.Pointer(name))
-
- f, err := fopenContainerFile(rootdir, "/etc/group")
- if err != nil {
- return 0, err
- }
- defer C.fclose(f)
-
- lookupGroup.Lock()
- defer lookupGroup.Unlock()
-
- grp := C.fgetgrent(f)
- for grp != nil {
- if C.strcmp(grp.gr_name, name) != 0 {
- grp = C.fgetgrent(f)
- continue
- }
- return uint64(grp.gr_gid), nil
- }
-
- return 0, user.UnknownGroupError(fmt.Sprintf("error looking up group %q", groupname))
-}