diff options
Diffstat (limited to 'vendor/github.com/fsouza/go-dockerclient/external/github.com/opencontainers/runc/libcontainer/user/lookup.go')
-rw-r--r-- | vendor/github.com/fsouza/go-dockerclient/external/github.com/opencontainers/runc/libcontainer/user/lookup.go | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/vendor/github.com/fsouza/go-dockerclient/external/github.com/opencontainers/runc/libcontainer/user/lookup.go b/vendor/github.com/fsouza/go-dockerclient/external/github.com/opencontainers/runc/libcontainer/user/lookup.go deleted file mode 100644 index 6f8a982..0000000 --- a/vendor/github.com/fsouza/go-dockerclient/external/github.com/opencontainers/runc/libcontainer/user/lookup.go +++ /dev/null | |||
@@ -1,108 +0,0 @@ | |||
1 | package user | ||
2 | |||
3 | import ( | ||
4 | "errors" | ||
5 | "fmt" | ||
6 | "syscall" | ||
7 | ) | ||
8 | |||
9 | var ( | ||
10 | // The current operating system does not provide the required data for user lookups. | ||
11 | ErrUnsupported = errors.New("user lookup: operating system does not provide passwd-formatted data") | ||
12 | ) | ||
13 | |||
14 | func lookupUser(filter func(u User) bool) (User, error) { | ||
15 | // Get operating system-specific passwd reader-closer. | ||
16 | passwd, err := GetPasswd() | ||
17 | if err != nil { | ||
18 | return User{}, err | ||
19 | } | ||
20 | defer passwd.Close() | ||
21 | |||
22 | // Get the users. | ||
23 | users, err := ParsePasswdFilter(passwd, filter) | ||
24 | if err != nil { | ||
25 | return User{}, err | ||
26 | } | ||
27 | |||
28 | // No user entries found. | ||
29 | if len(users) == 0 { | ||
30 | return User{}, fmt.Errorf("no matching entries in passwd file") | ||
31 | } | ||
32 | |||
33 | // Assume the first entry is the "correct" one. | ||
34 | return users[0], nil | ||
35 | } | ||
36 | |||
37 | // CurrentUser looks up the current user by their user id in /etc/passwd. If the | ||
38 | // user cannot be found (or there is no /etc/passwd file on the filesystem), | ||
39 | // then CurrentUser returns an error. | ||
40 | func CurrentUser() (User, error) { | ||
41 | return LookupUid(syscall.Getuid()) | ||
42 | } | ||
43 | |||
44 | // LookupUser looks up a user by their username in /etc/passwd. If the user | ||
45 | // cannot be found (or there is no /etc/passwd file on the filesystem), then | ||
46 | // LookupUser returns an error. | ||
47 | func LookupUser(username string) (User, error) { | ||
48 | return lookupUser(func(u User) bool { | ||
49 | return u.Name == username | ||
50 | }) | ||
51 | } | ||
52 | |||
53 | // LookupUid looks up a user by their user id in /etc/passwd. If the user cannot | ||
54 | // be found (or there is no /etc/passwd file on the filesystem), then LookupId | ||
55 | // returns an error. | ||
56 | func LookupUid(uid int) (User, error) { | ||
57 | return lookupUser(func(u User) bool { | ||
58 | return u.Uid == uid | ||
59 | }) | ||
60 | } | ||
61 | |||
62 | func lookupGroup(filter func(g Group) bool) (Group, error) { | ||
63 | // Get operating system-specific group reader-closer. | ||
64 | group, err := GetGroup() | ||
65 | if err != nil { | ||
66 | return Group{}, err | ||
67 | } | ||
68 | defer group.Close() | ||
69 | |||
70 | // Get the users. | ||
71 | groups, err := ParseGroupFilter(group, filter) | ||
72 | if err != nil { | ||
73 | return Group{}, err | ||
74 | } | ||
75 | |||
76 | // No user entries found. | ||
77 | if len(groups) == 0 { | ||
78 | return Group{}, fmt.Errorf("no matching entries in group file") | ||
79 | } | ||
80 | |||
81 | // Assume the first entry is the "correct" one. | ||
82 | return groups[0], nil | ||
83 | } | ||
84 | |||
85 | // CurrentGroup looks up the current user's group by their primary group id's | ||
86 | // entry in /etc/passwd. If the group cannot be found (or there is no | ||
87 | // /etc/group file on the filesystem), then CurrentGroup returns an error. | ||
88 | func CurrentGroup() (Group, error) { | ||
89 | return LookupGid(syscall.Getgid()) | ||
90 | } | ||
91 | |||
92 | // LookupGroup looks up a group by its name in /etc/group. If the group cannot | ||
93 | // be found (or there is no /etc/group file on the filesystem), then LookupGroup | ||
94 | // returns an error. | ||
95 | func LookupGroup(groupname string) (Group, error) { | ||
96 | return lookupGroup(func(g Group) bool { | ||
97 | return g.Name == groupname | ||
98 | }) | ||
99 | } | ||
100 | |||
101 | // LookupGid looks up a group by its group id in /etc/group. If the group cannot | ||
102 | // be found (or there is no /etc/group file on the filesystem), then LookupGid | ||
103 | // returns an error. | ||
104 | func LookupGid(gid int) (Group, error) { | ||
105 | return lookupGroup(func(g Group) bool { | ||
106 | return g.Gid == gid | ||
107 | }) | ||
108 | } | ||