diff --git a/mountinfo/mountinfo_linux.go b/mountinfo/mountinfo_linux.go index 59332b07..ee6e8bc1 100644 --- a/mountinfo/mountinfo_linux.go +++ b/mountinfo/mountinfo_linux.go @@ -57,18 +57,8 @@ func GetMountsFromReader(r io.Reader, filter FilterFunc) ([]*Info, error) { // separator field sepIdx := numFields - 4 - // In Linux <= 3.9 mounting a cifs with spaces in a share - // name (like "//srv/My Docs") _may_ end up having a space - // in the last field of mountinfo (like "unc=//serv/My Docs"). - // Since kernel 3.10-rc1, cifs option "unc=" is ignored, - // so spaces should not appear. - // - // Check for a separator, and work around the spaces bug - for fields[sepIdx] != "-" { - sepIdx-- - if sepIdx == 5 { - return nil, fmt.Errorf("parsing '%s' failed: missing - separator", text) - } + if fields[sepIdx] != "-" { + return nil, fmt.Errorf("parsing '%s' failed: missing - separator", text) } p := &Info{} diff --git a/mountinfo/mountinfo_linux_test.go b/mountinfo/mountinfo_linux_test.go index 7e50bcd7..aff48784 100644 --- a/mountinfo/mountinfo_linux_test.go +++ b/mountinfo/mountinfo_linux_test.go @@ -62,8 +62,7 @@ const ( 235 35 253:32 / /var/lib/docker/devicemapper/mnt/1a28059f29eda821578b1bb27a60cc71f76f846a551abefabce6efd0146dce9f rw,relatime shared:217 - ext4 /dev/mapper/docker-253:2-425882-1a28059f29eda821578b1bb27a60cc71f76f846a551abefabce6efd0146dce9f rw,seclabel,discard,stripe=16,data=ordered 239 35 253:33 / /var/lib/docker/devicemapper/mnt/e9aa60c60128cad1 rw,relatime shared:221 - ext4 /dev/mapper/docker-253:2-425882-e9aa60c60128cad1 rw,seclabel,discard,stripe=16,data=ordered 243 35 253:34 / /var/lib/docker/devicemapper/mnt/5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d-init rw,relatime shared:225 - ext4 /dev/mapper/docker-253:2-425882-5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d-init rw,seclabel,discard,stripe=16,data=ordered -247 35 253:35 / /var/lib/docker/devicemapper/mnt/5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d rw,relatime shared:229 - ext4 /dev/mapper/docker-253:2-425882-5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d rw,seclabel,discard,stripe=16,data=ordered -31 21 0:23 / /DATA/foo_bla_bla rw,relatime - cifs //foo/BLA\040BLA\040BLA/ rw,sec=ntlm,cache=loose,unc=\\foo\BLA BLA BLA,username=my_login,domain=mydomain.com,uid=12345678,forceuid,gid=12345678,forcegid,addr=10.1.30.10,file_mode=0755,dir_mode=0755,nounix,rsize=61440,wsize=65536,actimeo=1` +247 35 253:35 / /var/lib/docker/devicemapper/mnt/5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d rw,relatime shared:229 - ext4 /dev/mapper/docker-253:2-425882-5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d rw,seclabel,discard,stripe=16,data=ordered` ubuntuMountinfo = `15 20 0:14 / /sys rw,nosuid,nodev,noexec,relatime - sysfs sysfs rw 16 20 0:3 / /proc rw,nosuid,nodev,noexec,relatime - proc proc rw @@ -418,10 +417,6 @@ const ( 286 15 0:3631 / /var/lib/docker/aufs/mnt/ff28c27d5f894363993622de26d5dd352dba072f219e4691d6498c19bbbc15a9 rw,relatime - aufs none rw,si=9b4a7642265b339c 289 15 0:3634 / /var/lib/docker/aufs/mnt/aa128fe0e64fdede333aa48fd9de39530c91a9244a0f0649a3c411c61e372daa rw,relatime - aufs none rw,si=9b4a764012ada39c 99 15 8:33 / /media/REMOVE\040ME rw,nosuid,nodev,relatime - fuseblk /dev/sdc1 rw,user_id=0,group_id=0,allow_other,blksize=4096` - - mountInfoWithSpaces = `486 28 252:1 / /mnt/foo\040bar rw,relatime shared:243 - ext4 /dev/vda1 rw,data=ordered -31 21 0:23 / /DATA/foo_bla_bla rw,relatime - cifs //foo/BLA\040BLA\040BLA/ rw,sec=ntlm,cache=loose,unc=\\foo\BLA BLA BLA,username=my_login,domain=mydomain.com,uid=12345678,forceuid,gid=12345678,forcegid,addr=10.1.30.10,file_mode=0755,dir_mode=0755,nounix,rsize=61440,wsize=65536,actimeo=1 -649 94 259:5 /tmp/newline\012tab\011space\040backslash\134quote1'quote2" /tmp/newline\012tab\011space\040backslash\134quote1'quote2" rw,relatime shared:47 - ext4 /dev/nvme0n1p5 rw,seclabel` ) func TestParseMountInfo(t *testing.T) { @@ -531,66 +526,6 @@ func TestParseFedoraMountinfoFilterFields(t *testing.T) { } } -func TestParseMountinfoWithSpaces(t *testing.T) { - r := bytes.NewBuffer([]byte(mountInfoWithSpaces)) - infos, err := GetMountsFromReader(r, nil) - if err != nil { - t.Fatal(err) - } - expected := []Info{ - { - ID: 486, - Parent: 28, - Major: 252, - Minor: 1, - Root: "/", - Mountpoint: "/mnt/foo bar", - Options: "rw,relatime", - Optional: "shared:243", - FSType: "ext4", - Source: "/dev/vda1", - VFSOptions: "rw,data=ordered", - }, - { - ID: 31, - Parent: 21, - Major: 0, - Minor: 23, - Root: "/", - Mountpoint: "/DATA/foo_bla_bla", - Options: "rw,relatime", - Optional: "", - FSType: "cifs", - Source: `//foo/BLA BLA BLA/`, - VFSOptions: `rw,sec=ntlm,cache=loose,unc=\\foo\BLA`, - }, - { - ID: 649, - Parent: 94, - Major: 259, - Minor: 5, - Root: `/tmp/newline -tab space backslash\quote1'quote2"`, - Mountpoint: `/tmp/newline -tab space backslash\quote1'quote2"`, - Options: "rw,relatime", - Optional: "shared:47", - FSType: "ext4", - Source: `/dev/nvme0n1p5`, - VFSOptions: `rw,seclabel`, - }, - } - - if len(infos) != len(expected) { - t.Fatalf("expected %d entries, got %d", len(expected), len(infos)) - } - for i, mi := range expected { - if *infos[i] != mi { - t.Fatalf("expected %#v, got %#v", mi, infos[i]) - } - } -} - func TestParseMountinfoFilters(t *testing.T) { cases := []struct { filter FilterFunc @@ -667,10 +602,9 @@ func TestParseMountinfoExtraCases(t *testing.T) { valid: false, }, { - name: "extra fields at the end", // which we currently discard - entry: `251 15 0:3573 / /mnt/point rw,relatime - aufs none rw,unc=buggy but we cope`, - valid: true, - exp: &Info{Mountpoint: "/mnt/point", FSType: "aufs", Source: "none"}, + name: "extra fields at the end (kernel < 3.10 bug)", + entry: `251 15 0:3573 / /mnt/point rw,relatime - aufs none rw,unc=buggy pre-kernel 3.10 data`, + valid: false, }, { name: "one optional field",