diff options
Diffstat (limited to 'vendor/github.com')
7 files changed, 50 insertions, 41 deletions
diff --git a/vendor/github.com/containernetworking/cni/libcni/api.go b/vendor/github.com/containernetworking/cni/libcni/api.go index 22b111742..7e52bd838 100644 --- a/vendor/github.com/containernetworking/cni/libcni/api.go +++ b/vendor/github.com/containernetworking/cni/libcni/api.go @@ -409,6 +409,9 @@ func (c *CNIConfig) addNetwork(ctx context.Context, name, cniVersion string, net if err := utils.ValidateNetworkName(name); err != nil { return nil, err } + if err := utils.ValidateInterfaceName(rt.IfName); err != nil { + return nil, err + } newConf, err := buildOneConfig(name, cniVersion, net, prevResult, rt) if err != nil { @@ -629,6 +632,9 @@ func (c *CNIConfig) validatePlugin(ctx context.Context, pluginName, expectedVers if err != nil { return err } + if expectedVersion == "" { + expectedVersion = "0.1.0" + } vi, err := invoke.GetVersionInfo(ctx, pluginPath, c.exec) if err != nil { diff --git a/vendor/github.com/containernetworking/cni/pkg/invoke/args.go b/vendor/github.com/containernetworking/cni/pkg/invoke/args.go index d31a44e87..3cdb4bc8d 100644 --- a/vendor/github.com/containernetworking/cni/pkg/invoke/args.go +++ b/vendor/github.com/containernetworking/cni/pkg/invoke/args.go @@ -60,8 +60,8 @@ func (args *Args) AsEnv() []string { pluginArgsStr = stringify(args.PluginArgs) } - // Duplicated values which come first will be overrided, so we must put the - // custom values in the end to avoid being overrided by the process environments. + // Duplicated values which come first will be overridden, so we must put the + // custom values in the end to avoid being overridden by the process environments. env = append(env, "CNI_COMMAND="+args.Command, "CNI_CONTAINERID="+args.ContainerID, diff --git a/vendor/github.com/containernetworking/cni/pkg/invoke/raw_exec.go b/vendor/github.com/containernetworking/cni/pkg/invoke/raw_exec.go index ad8498ba2..4f89a5dda 100644 --- a/vendor/github.com/containernetworking/cni/pkg/invoke/raw_exec.go +++ b/vendor/github.com/containernetworking/cni/pkg/invoke/raw_exec.go @@ -44,10 +44,14 @@ func (e *RawExec) ExecPlugin(ctx context.Context, pluginPath string, stdinData [ } func pluginErr(err error, output []byte) error { - if _, ok := err.(*exec.ExitError); ok { + if exitError, ok := err.(*exec.ExitError); ok { emsg := types.Error{} if len(output) == 0 { - emsg.Msg = "netplugin failed with no error message" + if len(exitError.Stderr) == 0 { + emsg.Msg = "netplugin failed with no error message" + } else { + emsg.Msg = fmt.Sprintf("netplugin failed: %q", string(exitError.Stderr)) + } } else if perr := json.Unmarshal(output, &emsg); perr != nil { emsg.Msg = fmt.Sprintf("netplugin failed but error parsing its diagnostic message %q: %v", string(output), perr) } diff --git a/vendor/github.com/containernetworking/cni/pkg/types/020/types.go b/vendor/github.com/containernetworking/cni/pkg/types/020/types.go index 53256167f..36f31678a 100644 --- a/vendor/github.com/containernetworking/cni/pkg/types/020/types.go +++ b/vendor/github.com/containernetworking/cni/pkg/types/020/types.go @@ -86,20 +86,6 @@ func (r *Result) PrintTo(writer io.Writer) error { return err } -// String returns a formatted string in the form of "[IP4: $1,][ IP6: $2,] DNS: $3" where -// $1 represents the receiver's IPv4, $2 represents the receiver's IPv6 and $3 the -// receiver's DNS. If $1 or $2 are nil, they won't be present in the returned string. -func (r *Result) String() string { - var str string - if r.IP4 != nil { - str = fmt.Sprintf("IP4:%+v, ", *r.IP4) - } - if r.IP6 != nil { - str += fmt.Sprintf("IP6:%+v, ", *r.IP6) - } - return fmt.Sprintf("%sDNS:%+v", str, r.DNS) -} - // IPConfig contains values necessary to configure an interface type IPConfig struct { IP net.IPNet diff --git a/vendor/github.com/containernetworking/cni/pkg/types/current/types.go b/vendor/github.com/containernetworking/cni/pkg/types/current/types.go index 7267a2e6d..754cc6e72 100644 --- a/vendor/github.com/containernetworking/cni/pkg/types/current/types.go +++ b/vendor/github.com/containernetworking/cni/pkg/types/current/types.go @@ -207,23 +207,6 @@ func (r *Result) PrintTo(writer io.Writer) error { return err } -// String returns a formatted string in the form of "[Interfaces: $1,][ IP: $2,] DNS: $3" where -// $1 represents the receiver's Interfaces, $2 represents the receiver's IP addresses and $3 the -// receiver's DNS. If $1 or $2 are nil, they won't be present in the returned string. -func (r *Result) String() string { - var str string - if len(r.Interfaces) > 0 { - str += fmt.Sprintf("Interfaces:%+v, ", r.Interfaces) - } - if len(r.IPs) > 0 { - str += fmt.Sprintf("IP:%+v, ", r.IPs) - } - if len(r.Routes) > 0 { - str += fmt.Sprintf("Routes:%+v, ", r.Routes) - } - return fmt.Sprintf("%sDNS:%+v", str, r.DNS) -} - // Convert this old version result to the current CNI version result func (r *Result) Convert() (*Result, error) { return r, nil diff --git a/vendor/github.com/containernetworking/cni/pkg/types/types.go b/vendor/github.com/containernetworking/cni/pkg/types/types.go index 3e185c1ce..3fa757a5d 100644 --- a/vendor/github.com/containernetworking/cni/pkg/types/types.go +++ b/vendor/github.com/containernetworking/cni/pkg/types/types.go @@ -100,9 +100,6 @@ type Result interface { // Prints the result in JSON format to provided writer PrintTo(writer io.Writer) error - - // Returns a JSON string representation of the result - String() string } func PrintResult(result Result, version string) error { diff --git a/vendor/github.com/containernetworking/cni/pkg/utils/utils.go b/vendor/github.com/containernetworking/cni/pkg/utils/utils.go index 324c40dea..b8ec38874 100644 --- a/vendor/github.com/containernetworking/cni/pkg/utils/utils.go +++ b/vendor/github.com/containernetworking/cni/pkg/utils/utils.go @@ -15,14 +15,22 @@ package utils import ( + "bytes" + "fmt" "regexp" + "unicode" "github.com/containernetworking/cni/pkg/types" ) -// cniValidNameChars is the regexp used to validate valid characters in -// containerID and networkName -const cniValidNameChars = `[a-zA-Z0-9][a-zA-Z0-9_.\-]` +const ( + // cniValidNameChars is the regexp used to validate valid characters in + // containerID and networkName + cniValidNameChars = `[a-zA-Z0-9][a-zA-Z0-9_.\-]` + + // maxInterfaceNameLength is the length max of a valid interface name + maxInterfaceNameLength = 15 +) var cniReg = regexp.MustCompile(`^` + cniValidNameChars + `*$`) @@ -49,3 +57,28 @@ func ValidateNetworkName(networkName string) *types.Error { } return nil } + +// ValidateInterfaceName will validate the interface name based on the three rules below +// 1. The name must not be empty +// 2. The name must be less than 16 characters +// 3. The name must not be "." or ".." +// 3. The name must not contain / or : or any whitespace characters +// ref to https://github.com/torvalds/linux/blob/master/net/core/dev.c#L1024 +func ValidateInterfaceName(ifName string) *types.Error { + if len(ifName) == 0 { + return types.NewError(types.ErrInvalidEnvironmentVariables, "interface name is empty", "") + } + if len(ifName) > maxInterfaceNameLength { + return types.NewError(types.ErrInvalidEnvironmentVariables, "interface name is too long", fmt.Sprintf("interface name should be less than %d characters", maxInterfaceNameLength+1)) + } + if ifName == "." || ifName == ".." { + return types.NewError(types.ErrInvalidEnvironmentVariables, "interface name is . or ..", "") + } + for _, r := range bytes.Runes([]byte(ifName)) { + if r == '/' || r == ':' || unicode.IsSpace(r) { + return types.NewError(types.ErrInvalidEnvironmentVariables, "interface name contains / or : or whitespace characters", "") + } + } + + return nil +} |