diff options
Diffstat (limited to 'cmd/podman/shared/parse/parse.go')
-rw-r--r-- | cmd/podman/shared/parse/parse.go | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/cmd/podman/shared/parse/parse.go b/cmd/podman/shared/parse/parse.go deleted file mode 100644 index 03cda268c..000000000 --- a/cmd/podman/shared/parse/parse.go +++ /dev/null @@ -1,188 +0,0 @@ -//nolint -// most of these validate and parse functions have been taken from projectatomic/docker -// and modified for cri-o -package parse - -import ( - "bufio" - "fmt" - "net" - "net/url" - "os" - "regexp" - "strings" - - "github.com/pkg/errors" -) - -const ( - Protocol_TCP Protocol = 0 - Protocol_UDP Protocol = 1 -) - -type Protocol int32 - -// PortMapping specifies the port mapping configurations of a sandbox. -type PortMapping struct { - // Protocol of the port mapping. - Protocol Protocol `protobuf:"varint,1,opt,name=protocol,proto3,enum=runtime.Protocol" json:"protocol,omitempty"` - // Port number within the container. Default: 0 (not specified). - ContainerPort int32 `protobuf:"varint,2,opt,name=container_port,json=containerPort,proto3" json:"container_port,omitempty"` - // Port number on the host. Default: 0 (not specified). - HostPort int32 `protobuf:"varint,3,opt,name=host_port,json=hostPort,proto3" json:"host_port,omitempty"` - // Host IP. - HostIp string `protobuf:"bytes,4,opt,name=host_ip,json=hostIp,proto3" json:"host_ip,omitempty"` -} - -// Note: for flags that are in the form <number><unit>, use the RAMInBytes function -// from the units package in docker/go-units/size.go - -var ( - whiteSpaces = " \t" - alphaRegexp = regexp.MustCompile(`[a-zA-Z]`) - domainRegexp = regexp.MustCompile(`^(:?(:?[a-zA-Z0-9]|(:?[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9]))(:?\.(:?[a-zA-Z0-9]|(:?[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])))*)\.?\s*$`) -) - -// validateExtraHost validates that the specified string is a valid extrahost and returns it. -// ExtraHost is in the form of name:ip where the ip has to be a valid ip (ipv4 or ipv6). -// for add-host flag -func ValidateExtraHost(val string) (string, error) { //nolint - // allow for IPv6 addresses in extra hosts by only splitting on first ":" - arr := strings.SplitN(val, ":", 2) - if len(arr) != 2 || len(arr[0]) == 0 { - return "", fmt.Errorf("bad format for add-host: %q", val) - } - if _, err := validateIPAddress(arr[1]); err != nil { - return "", fmt.Errorf("invalid IP address in add-host: %q", arr[1]) - } - return val, nil -} - -// validateIPAddress validates an Ip address. -// for dns, ip, and ip6 flags also -func validateIPAddress(val string) (string, error) { - var ip = net.ParseIP(strings.TrimSpace(val)) - if ip != nil { - return ip.String(), nil - } - return "", fmt.Errorf("%s is not an ip address", val) -} - -func ValidateDomain(val string) (string, error) { - if alphaRegexp.FindString(val) == "" { - return "", fmt.Errorf("%s is not a valid domain", val) - } - ns := domainRegexp.FindSubmatch([]byte(val)) - if len(ns) > 0 && len(ns[1]) < 255 { - return string(ns[1]), nil - } - return "", fmt.Errorf("%s is not a valid domain", val) -} - -// GetAllLabels retrieves all labels given a potential label file and a number -// of labels provided from the command line. -func GetAllLabels(labelFile, inputLabels []string) (map[string]string, error) { - labels := make(map[string]string) - for _, file := range labelFile { - // Use of parseEnvFile still seems safe, as it's missing the - // extra parsing logic of parseEnv. - // There's an argument that we SHOULD be doing that parsing for - // all environment variables, even those sourced from files, but - // that would require a substantial rework. - if err := parseEnvFile(labels, file); err != nil { - // FIXME: parseEnvFile is using parseEnv, so we need to add extra - // logic for labels. - return nil, err - } - } - for _, label := range inputLabels { - split := strings.SplitN(label, "=", 2) - if split[0] == "" { - return nil, errors.Errorf("invalid label format: %q", label) - } - value := "" - if len(split) > 1 { - value = split[1] - } - labels[split[0]] = value - } - return labels, nil -} - -func parseEnv(env map[string]string, line string) error { - data := strings.SplitN(line, "=", 2) - - // catch invalid variables such as "=" or "=A" - if data[0] == "" { - return errors.Errorf("invalid environment variable: %q", line) - } - - // trim the front of a variable, but nothing else - name := strings.TrimLeft(data[0], whiteSpaces) - if strings.ContainsAny(name, whiteSpaces) { - return errors.Errorf("name %q has white spaces, poorly formatted name", name) - } - - if len(data) > 1 { - env[name] = data[1] - } else { - if strings.HasSuffix(name, "*") { - name = strings.TrimSuffix(name, "*") - for _, e := range os.Environ() { - part := strings.SplitN(e, "=", 2) - if len(part) < 2 { - continue - } - if strings.HasPrefix(part[0], name) { - env[part[0]] = part[1] - } - } - } else { - // if only a pass-through variable is given, clean it up. - if val, ok := os.LookupEnv(name); ok { - env[name] = val - } - } - } - return nil -} - -// parseEnvFile reads a file with environment variables enumerated by lines -func parseEnvFile(env map[string]string, filename string) error { - fh, err := os.Open(filename) - if err != nil { - return err - } - defer fh.Close() - - scanner := bufio.NewScanner(fh) - for scanner.Scan() { - // trim the line from all leading whitespace first - line := strings.TrimLeft(scanner.Text(), whiteSpaces) - // line is not empty, and not starting with '#' - if len(line) > 0 && !strings.HasPrefix(line, "#") { - if err := parseEnv(env, line); err != nil { - return err - } - } - } - return scanner.Err() -} - -// ValidateFileName returns an error if filename contains ":" -// as it is currently not supported -func ValidateFileName(filename string) error { - if strings.Contains(filename, ":") { - return errors.Errorf("invalid filename (should not contain ':') %q", filename) - } - return nil -} - -// ValidURL checks a string urlStr is a url or not -func ValidURL(urlStr string) error { - _, err := url.ParseRequestURI(urlStr) - if err != nil { - return errors.Wrapf(err, "invalid url path: %q", urlStr) - } - return nil -} |