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path_role.go
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path_role.go
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package approle
import (
"context"
"errors"
"fmt"
"net/http"
"strings"
"time"
"github.com/hashicorp/go-secure-stdlib/parseutil"
"github.com/hashicorp/go-secure-stdlib/strutil"
uuid "github.com/hashicorp/go-uuid"
"github.com/hashicorp/vault/sdk/framework"
"github.com/hashicorp/vault/sdk/helper/cidrutil"
"github.com/hashicorp/vault/sdk/helper/consts"
"github.com/hashicorp/vault/sdk/helper/locksutil"
"github.com/hashicorp/vault/sdk/helper/policyutil"
"github.com/hashicorp/vault/sdk/helper/tokenutil"
"github.com/hashicorp/vault/sdk/logical"
k8snet "k8s.io/utils/net"
)
// roleStorageEntry stores all the options that are set on an role
type roleStorageEntry struct {
tokenutil.TokenParams
// Name of the role. This field is not persisted on disk. After the role is
// read out of disk, the sanitized version of name is set in this field for
// subsequent use of role name elsewhere.
name string
// UUID that uniquely represents this role. This serves as a credential
// to perform login using this role.
RoleID string `json:"role_id" mapstructure:"role_id"`
// UUID that serves as the HMAC key for the hashing the 'secret_id's
// of the role
HMACKey string `json:"hmac_key" mapstructure:"hmac_key"`
// Policies that are to be required by the token to access this role. Deprecated.
Policies []string `json:"policies" mapstructure:"policies"`
// Number of times the SecretID generated against this role can be
// used to perform login operation
SecretIDNumUses int `json:"secret_id_num_uses" mapstructure:"secret_id_num_uses"`
// Duration (less than the backend mount's max TTL) after which a
// SecretID generated against the role will expire
SecretIDTTL time.Duration `json:"secret_id_ttl" mapstructure:"secret_id_ttl"`
// A constraint, if set, requires 'secret_id' credential to be presented during login
BindSecretID bool `json:"bind_secret_id" mapstructure:"bind_secret_id"`
// Deprecated: A constraint, if set, specifies the CIDR blocks from which logins should be allowed,
// please use SecretIDBoundCIDRs instead.
BoundCIDRListOld string `json:"bound_cidr_list,omitempty"`
// Deprecated: A constraint, if set, specifies the CIDR blocks from which logins should be allowed,
// please use SecretIDBoundCIDRs instead.
BoundCIDRList []string `json:"bound_cidr_list_list" mapstructure:"bound_cidr_list"`
// A constraint, if set, specifies the CIDR blocks from which logins should be allowed
SecretIDBoundCIDRs []string `json:"secret_id_bound_cidrs" mapstructure:"secret_id_bound_cidrs"`
// Period, if set, indicates that the token generated using this role
// should never expire. The token should be renewed within the duration
// specified by this value. The renewal duration will be fixed if the value
// is not modified on the role. If the `Period` in the role is modified, a
// token will pick up the new value during its next renewal. Deprecated.
Period time.Duration `json:"period" mapstructure:"period"`
// LowerCaseRoleName enforces the lower casing of role names for all the
// roles that get created since this field was introduced.
LowerCaseRoleName bool `json:"lower_case_role_name" mapstructure:"lower_case_role_name"`
// SecretIDPrefix is the storage prefix for persisting secret IDs. This
// differs based on whether the secret IDs are cluster local or not.
SecretIDPrefix string `json:"secret_id_prefix" mapstructure:"secret_id_prefix"`
}
// roleIDStorageEntry represents the reverse mapping from RoleID to Role
type roleIDStorageEntry struct {
Name string `json:"name" mapstructure:"name"`
}
// rolePaths creates all the paths that are used to register and manage an role.
//
// Paths returned:
// role/ - For listing all the registered roles
// role/<role_name> - For registering an role
// role/<role_name>/policies - For updating the param
// role/<role_name>/secret-id-num-uses - For updating the param
// role/<role_name>/secret-id-ttl - For updating the param
// role/<role_name>/token-ttl - For updating the param
// role/<role_name>/token-max-ttl - For updating the param
// role/<role_name>/token-num-uses - For updating the param
// role/<role_name>/bind-secret-id - For updating the param
// role/<role_name>/bound-cidr-list - For updating the param
// role/<role_name>/period - For updating the param
// role/<role_name>/role-id - For fetching the role_id of an role
// role/<role_name>/secret-id - For issuing a secret_id against an role, also to list the secret_id_accessors
// role/<role_name>/custom-secret-id - For assigning a custom SecretID against an role
// role/<role_name>/secret-id/lookup - For reading the properties of a secret_id
// role/<role_name>/secret-id/destroy - For deleting a secret_id
// role/<role_name>/secret-id-accessor/lookup - For reading secret_id using accessor
// role/<role_name>/secret-id-accessor/destroy - For deleting secret_id using accessor
func rolePaths(b *backend) []*framework.Path {
defTokenFields := tokenutil.TokenFields()
p := &framework.Path{
Pattern: "role/" + framework.GenericNameRegex("role_name"),
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"bind_secret_id": {
Type: framework.TypeBool,
Default: true,
Description: "Impose secret_id to be presented when logging in using this role. Defaults to 'true'.",
},
"bound_cidr_list": {
Type: framework.TypeCommaStringSlice,
Description: `Use "secret_id_bound_cidrs" instead.`,
Deprecated: true,
},
"secret_id_bound_cidrs": {
Type: framework.TypeCommaStringSlice,
Description: `Comma separated string or list of CIDR blocks. If set, specifies the blocks of
IP addresses which can perform the login operation.`,
},
"policies": {
Type: framework.TypeCommaStringSlice,
Description: tokenutil.DeprecationText("token_policies"),
Deprecated: true,
},
"secret_id_num_uses": {
Type: framework.TypeInt,
Description: `Number of times a SecretID can access the role, after which the SecretID
will expire. Defaults to 0 meaning that the the secret_id is of unlimited use.`,
},
"secret_id_ttl": {
Type: framework.TypeDurationSecond,
Description: `Duration in seconds after which the issued SecretID should expire. Defaults
to 0, meaning no expiration.`,
},
"period": {
Type: framework.TypeDurationSecond,
Description: tokenutil.DeprecationText("token_period"),
Deprecated: true,
},
"role_id": {
Type: framework.TypeString,
Description: "Identifier of the role. Defaults to a UUID.",
},
"local_secret_ids": {
Type: framework.TypeBool,
Description: `If set, the secret IDs generated using this role will be cluster local. This
can only be set during role creation and once set, it can't be reset later.`,
},
},
ExistenceCheck: b.pathRoleExistenceCheck,
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.CreateOperation: b.pathRoleCreateUpdate,
logical.UpdateOperation: b.pathRoleCreateUpdate,
logical.ReadOperation: b.pathRoleRead,
logical.DeleteOperation: b.pathRoleDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role"][1]),
}
tokenutil.AddTokenFields(p.Fields)
return []*framework.Path{
p,
{
Pattern: "role/?",
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.ListOperation: b.pathRoleList,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-list"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-list"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/local-secret-ids$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.ReadOperation: b.pathRoleLocalSecretIDsRead,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-local-secret-ids"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-local-secret-ids"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/policies$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"policies": {
Type: framework.TypeCommaStringSlice,
Description: tokenutil.DeprecationText("token_policies"),
Deprecated: true,
},
"token_policies": {
Type: framework.TypeCommaStringSlice,
Description: defTokenFields["token_policies"].Description,
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRolePoliciesUpdate,
logical.ReadOperation: b.pathRolePoliciesRead,
logical.DeleteOperation: b.pathRolePoliciesDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-policies"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-policies"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/bound-cidr-list$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"bound_cidr_list": {
Type: framework.TypeCommaStringSlice,
Description: `Deprecated: Please use "secret_id_bound_cidrs" instead. Comma separated string or list
of CIDR blocks. If set, specifies the blocks of IP addresses which can perform the login operation.`,
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleBoundCIDRUpdate,
logical.ReadOperation: b.pathRoleBoundCIDRListRead,
logical.DeleteOperation: b.pathRoleBoundCIDRListDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-bound-cidr-list"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-bound-cidr-list"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/secret-id-bound-cidrs$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"secret_id_bound_cidrs": {
Type: framework.TypeCommaStringSlice,
Description: `Comma separated string or list of CIDR blocks. If set, specifies the blocks of
IP addresses which can perform the login operation.`,
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleSecretIDBoundCIDRUpdate,
logical.ReadOperation: b.pathRoleSecretIDBoundCIDRRead,
logical.DeleteOperation: b.pathRoleSecretIDBoundCIDRDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["secret-id-bound-cidrs"][0]),
HelpDescription: strings.TrimSpace(roleHelp["secret-id-bound-cidrs"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/token-bound-cidrs$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"token_bound_cidrs": {
Type: framework.TypeCommaStringSlice,
Description: defTokenFields["token_bound_cidrs"].Description,
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleTokenBoundCIDRUpdate,
logical.ReadOperation: b.pathRoleTokenBoundCIDRRead,
logical.DeleteOperation: b.pathRoleTokenBoundCIDRDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["token-bound-cidrs"][0]),
HelpDescription: strings.TrimSpace(roleHelp["token-bound-cidrs"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/bind-secret-id$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"bind_secret_id": {
Type: framework.TypeBool,
Default: true,
Description: "Impose secret_id to be presented when logging in using this role.",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleBindSecretIDUpdate,
logical.ReadOperation: b.pathRoleBindSecretIDRead,
logical.DeleteOperation: b.pathRoleBindSecretIDDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-bind-secret-id"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-bind-secret-id"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/secret-id-num-uses$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"secret_id_num_uses": {
Type: framework.TypeInt,
Description: "Number of times a SecretID can access the role, after which the SecretID will expire.",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleSecretIDNumUsesUpdate,
logical.ReadOperation: b.pathRoleSecretIDNumUsesRead,
logical.DeleteOperation: b.pathRoleSecretIDNumUsesDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-secret-id-num-uses"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-secret-id-num-uses"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/secret-id-ttl$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"secret_id_ttl": {
Type: framework.TypeDurationSecond,
Description: `Duration in seconds after which the issued SecretID should expire. Defaults
to 0, meaning no expiration.`,
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleSecretIDTTLUpdate,
logical.ReadOperation: b.pathRoleSecretIDTTLRead,
logical.DeleteOperation: b.pathRoleSecretIDTTLDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-secret-id-ttl"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-secret-id-ttl"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/period$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"period": {
Type: framework.TypeDurationSecond,
Description: tokenutil.DeprecationText("token_period"),
Deprecated: true,
},
"token_period": {
Type: framework.TypeDurationSecond,
Description: defTokenFields["token_period"].Description,
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRolePeriodUpdate,
logical.ReadOperation: b.pathRolePeriodRead,
logical.DeleteOperation: b.pathRolePeriodDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-period"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-period"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/token-num-uses$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"token_num_uses": {
Type: framework.TypeInt,
Description: defTokenFields["token_num_uses"].Description,
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleTokenNumUsesUpdate,
logical.ReadOperation: b.pathRoleTokenNumUsesRead,
logical.DeleteOperation: b.pathRoleTokenNumUsesDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-token-num-uses"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-token-num-uses"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/token-ttl$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"token_ttl": {
Type: framework.TypeDurationSecond,
Description: defTokenFields["token_ttl"].Description,
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleTokenTTLUpdate,
logical.ReadOperation: b.pathRoleTokenTTLRead,
logical.DeleteOperation: b.pathRoleTokenTTLDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-token-ttl"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-token-ttl"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/token-max-ttl$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"token_max_ttl": {
Type: framework.TypeDurationSecond,
Description: defTokenFields["token_max_ttl"].Description,
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleTokenMaxTTLUpdate,
logical.ReadOperation: b.pathRoleTokenMaxTTLRead,
logical.DeleteOperation: b.pathRoleTokenMaxTTLDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-token-max-ttl"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-token-max-ttl"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/role-id$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"role_id": {
Type: framework.TypeString,
Description: "Identifier of the role. Defaults to a UUID.",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.ReadOperation: b.pathRoleRoleIDRead,
logical.UpdateOperation: b.pathRoleRoleIDUpdate,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-id"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-id"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/secret-id/?$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"metadata": {
Type: framework.TypeString,
Description: `Metadata to be tied to the SecretID. This should be a JSON
formatted string containing the metadata in key value pairs.`,
},
"cidr_list": {
Type: framework.TypeCommaStringSlice,
Description: `Comma separated string or list of CIDR blocks enforcing secret IDs to be used from
specific set of IP addresses. If 'bound_cidr_list' is set on the role, then the
list of CIDR blocks listed here should be a subset of the CIDR blocks listed on
the role.`,
},
"token_bound_cidrs": {
Type: framework.TypeCommaStringSlice,
Description: defTokenFields["token_bound_cidrs"].Description,
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleSecretIDUpdate,
logical.ListOperation: b.pathRoleSecretIDList,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-secret-id"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-secret-id"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/secret-id/lookup/?$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"secret_id": {
Type: framework.TypeString,
Description: "SecretID attached to the role.",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleSecretIDLookupUpdate,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-secret-id-lookup"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-secret-id-lookup"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/secret-id/destroy/?$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"secret_id": {
Type: framework.TypeString,
Description: "SecretID attached to the role.",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleSecretIDDestroyUpdateDelete,
logical.DeleteOperation: b.pathRoleSecretIDDestroyUpdateDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-secret-id-destroy"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-secret-id-destroy"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/secret-id-accessor/lookup/?$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"secret_id_accessor": {
Type: framework.TypeString,
Description: "Accessor of the SecretID",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleSecretIDAccessorLookupUpdate,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-secret-id-accessor"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-secret-id-accessor"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/secret-id-accessor/destroy/?$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"secret_id_accessor": {
Type: framework.TypeString,
Description: "Accessor of the SecretID",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleSecretIDAccessorDestroyUpdateDelete,
logical.DeleteOperation: b.pathRoleSecretIDAccessorDestroyUpdateDelete,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-secret-id-accessor"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-secret-id-accessor"][1]),
},
{
Pattern: "role/" + framework.GenericNameRegex("role_name") + "/custom-secret-id$",
Fields: map[string]*framework.FieldSchema{
"role_name": {
Type: framework.TypeString,
Description: "Name of the role.",
},
"secret_id": {
Type: framework.TypeString,
Description: "SecretID to be attached to the role.",
},
"metadata": {
Type: framework.TypeString,
Description: `Metadata to be tied to the SecretID. This should be a JSON
formatted string containing metadata in key value pairs.`,
},
"cidr_list": {
Type: framework.TypeCommaStringSlice,
Description: `Comma separated string or list of CIDR blocks enforcing secret IDs to be used from
specific set of IP addresses. If 'bound_cidr_list' is set on the role, then the
list of CIDR blocks listed here should be a subset of the CIDR blocks listed on
the role.`,
},
"token_bound_cidrs": {
Type: framework.TypeCommaStringSlice,
Description: `Comma separated string or list of CIDR blocks. If set, specifies the blocks of
IP addresses which can use the returned token. Should be a subset of the token CIDR blocks listed on the role, if any.`,
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: b.pathRoleCustomSecretIDUpdate,
},
HelpSynopsis: strings.TrimSpace(roleHelp["role-custom-secret-id"][0]),
HelpDescription: strings.TrimSpace(roleHelp["role-custom-secret-id"][1]),
},
}
}
// pathRoleExistenceCheck returns whether the role with the given name exists or not.
func (b *backend) pathRoleExistenceCheck(ctx context.Context, req *logical.Request, data *framework.FieldData) (bool, error) {
roleName := data.Get("role_name").(string)
if roleName == "" {
return false, fmt.Errorf("missing role_name")
}
lock := b.roleLock(roleName)
lock.RLock()
defer lock.RUnlock()
role, err := b.roleEntry(ctx, req.Storage, roleName)
if err != nil {
return false, err
}
return role != nil, nil
}
// pathRoleList is used to list all the Roles registered with the backend.
func (b *backend) pathRoleList(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
roles, err := req.Storage.List(ctx, "role/")
if err != nil {
return nil, err
}
return logical.ListResponse(roles), nil
}
// pathRoleSecretIDList is used to list all the 'secret_id_accessor's issued against the role.
func (b *backend) pathRoleSecretIDList(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
roleName := data.Get("role_name").(string)
if roleName == "" {
return logical.ErrorResponse("missing role_name"), nil
}
lock := b.roleLock(roleName)
lock.RLock()
defer lock.RUnlock()
// Get the role entry
role, err := b.roleEntry(ctx, req.Storage, roleName)
if err != nil {
return nil, err
}
if role == nil {
return logical.ErrorResponse(fmt.Sprintf("role %q does not exist", roleName)), nil
}
// Guard the list operation with an outer lock
b.secretIDListingLock.RLock()
defer b.secretIDListingLock.RUnlock()
roleNameHMAC, err := createHMAC(role.HMACKey, role.name)
if err != nil {
return nil, fmt.Errorf("failed to create HMAC of role_name: %w", err)
}
// Listing works one level at a time. Get the first level of data
// which could then be used to get the actual SecretID storage entries.
secretIDHMACs, err := req.Storage.List(ctx, fmt.Sprintf("%s%s/", role.SecretIDPrefix, roleNameHMAC))
if err != nil {
return nil, err
}
var listItems []string
for _, secretIDHMAC := range secretIDHMACs {
// For sanity
if secretIDHMAC == "" {
continue
}
// Prepare the full index of the SecretIDs.
entryIndex := fmt.Sprintf("%s%s/%s", role.SecretIDPrefix, roleNameHMAC, secretIDHMAC)
// SecretID locks are not indexed by SecretIDs itself.
// This is because SecretIDs are not stored in plaintext
// form anywhere in the backend, and hence accessing its
// corresponding lock many times using SecretIDs is not
// possible. Also, indexing it everywhere using secretIDHMACs
// makes listing operation easier.
secretIDLock := b.secretIDLock(secretIDHMAC)
secretIDLock.RLock()
result := secretIDStorageEntry{}
if entry, err := req.Storage.Get(ctx, entryIndex); err != nil {
secretIDLock.RUnlock()
return nil, err
} else if entry == nil {
secretIDLock.RUnlock()
return nil, fmt.Errorf("storage entry for SecretID is present but no content found at the index")
} else if err := entry.DecodeJSON(&result); err != nil {
secretIDLock.RUnlock()
return nil, err
}
listItems = append(listItems, result.SecretIDAccessor)
secretIDLock.RUnlock()
}
return logical.ListResponse(listItems), nil
}
// validateRoleConstraints checks if the role has at least one constraint
// enabled.
func validateRoleConstraints(role *roleStorageEntry) error {
if role == nil {
return fmt.Errorf("nil role")
}
// At least one constraint should be enabled on the role
switch {
case role.BindSecretID:
case len(role.BoundCIDRList) != 0:
case len(role.SecretIDBoundCIDRs) != 0:
case len(role.TokenBoundCIDRs) != 0:
default:
return fmt.Errorf("at least one constraint should be enabled on the role")
}
return nil
}
// setRoleEntry persists the role and creates an index from roleID to role
// name.
func (b *backend) setRoleEntry(ctx context.Context, s logical.Storage, roleName string, role *roleStorageEntry, previousRoleID string) error {
if roleName == "" {
return fmt.Errorf("missing role name")
}
if role == nil {
return fmt.Errorf("nil role")
}
// Check if role constraints are properly set
if err := validateRoleConstraints(role); err != nil {
return err
}
// Create a storage entry for the role
entry, err := logical.StorageEntryJSON("role/"+strings.ToLower(roleName), role)
if err != nil {
return err
}
if entry == nil {
return fmt.Errorf("failed to create storage entry for role %q", roleName)
}
// Check if the index from the role_id to role already exists
roleIDIndex, err := b.roleIDEntry(ctx, s, role.RoleID)
if err != nil {
return fmt.Errorf("failed to read role_id index: %w", err)
}
// If the entry exists, make sure that it belongs to the current role
if roleIDIndex != nil && roleIDIndex.Name != roleName {
return fmt.Errorf("role_id already in use")
}
// When role_id is getting updated, delete the old index before
// a new one is created
if previousRoleID != "" && previousRoleID != role.RoleID {
if err = b.roleIDEntryDelete(ctx, s, previousRoleID); err != nil {
return fmt.Errorf("failed to delete previous role ID index: %w", err)
}
}
// Save the role entry only after all the validations
if err = s.Put(ctx, entry); err != nil {
return err
}
// If previousRoleID is still intact, don't create another one
if previousRoleID != "" && previousRoleID == role.RoleID {
return nil
}
// Create a storage entry for reverse mapping of RoleID to role.
// Note that secondary index is created when the roleLock is held.
return b.setRoleIDEntry(ctx, s, role.RoleID, &roleIDStorageEntry{
Name: roleName,
})
}
// roleEntry reads the role from storage
func (b *backend) roleEntry(ctx context.Context, s logical.Storage, roleName string) (*roleStorageEntry, error) {
if roleName == "" {
return nil, fmt.Errorf("missing role_name")
}
var role roleStorageEntry
if entry, err := s.Get(ctx, "role/"+strings.ToLower(roleName)); err != nil {
return nil, err
} else if entry == nil {
return nil, nil
} else if err := entry.DecodeJSON(&role); err != nil {
return nil, err
}
needsUpgrade := false
if role.BoundCIDRListOld != "" {
role.SecretIDBoundCIDRs = strutil.ParseDedupAndSortStrings(role.BoundCIDRListOld, ",")
role.BoundCIDRListOld = ""
needsUpgrade = true
}
if len(role.BoundCIDRList) != 0 {
role.SecretIDBoundCIDRs = role.BoundCIDRList
role.BoundCIDRList = nil
needsUpgrade = true
}
if role.SecretIDPrefix == "" {
role.SecretIDPrefix = secretIDPrefix
needsUpgrade = true
}
for i, cidr := range role.SecretIDBoundCIDRs {
_, ipn, err := k8snet.ParseCIDRSloppy(cidr)
if err != nil {
return nil, fmt.Errorf("error decoding SecretIDBoundCIDRs field of role storage entry: %w", err)
}
role.SecretIDBoundCIDRs[i] = ipn.String()
}
if role.TokenPeriod == 0 && role.Period > 0 {
role.TokenPeriod = role.Period
}
if len(role.TokenPolicies) == 0 && len(role.Policies) > 0 {
role.TokenPolicies = role.Policies
}
if needsUpgrade && (b.System().LocalMount() || !b.System().ReplicationState().HasState(consts.ReplicationPerformanceSecondary|consts.ReplicationPerformanceStandby)) {
entry, err := logical.StorageEntryJSON("role/"+strings.ToLower(roleName), &role)
if err != nil {
return nil, err
}
if err := s.Put(ctx, entry); err != nil {
// Only perform upgrades on replication primary
if !strings.Contains(err.Error(), logical.ErrReadOnly.Error()) {
return nil, err
}
}
}
role.name = roleName
if role.LowerCaseRoleName {
role.name = strings.ToLower(roleName)
}
return &role, nil
}
// pathRoleCreateUpdate registers a new role with the backend or updates the options
// of an existing role
func (b *backend) pathRoleCreateUpdate(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
roleName := data.Get("role_name").(string)
if roleName == "" {
return logical.ErrorResponse("missing role_name"), nil
}
lock := b.roleLock(roleName)
lock.Lock()
defer lock.Unlock()
// Check if the role already exists
role, err := b.roleEntry(ctx, req.Storage, roleName)
if err != nil {
return nil, err
}
// Create a new entry object if this is a CreateOperation
switch {
case role == nil && req.Operation == logical.CreateOperation:
hmacKey, err := uuid.GenerateUUID()
if err != nil {
return nil, fmt.Errorf("failed to create role_id: %w", err)
}
role = &roleStorageEntry{
name: strings.ToLower(roleName),
HMACKey: hmacKey,
LowerCaseRoleName: true,
}
case role == nil:
return logical.ErrorResponse(fmt.Sprintf("role name %q doesn't exist", roleName)), logical.ErrUnsupportedPath
}
var resp *logical.Response
// Handle a backwards compat case
if tokenTypeRaw, ok := data.Raw["token_type"]; ok {
switch tokenTypeRaw.(string) {
case "default-service":
data.Raw["token_type"] = "service"
resp = &logical.Response{}
resp.AddWarning("default-service has no useful meaning; adjusting to service")
case "default-batch":
data.Raw["token_type"] = "batch"
resp = &logical.Response{}
resp.AddWarning("default-batch has no useful meaning; adjusting to batch")
}
}
if err := role.ParseTokenFields(req, data); err != nil {
return logical.ErrorResponse(err.Error()), logical.ErrInvalidRequest
}
localSecretIDsRaw, ok := data.GetOk("local_secret_ids")
if ok {
switch {
case req.Operation == logical.CreateOperation:
localSecretIDs := localSecretIDsRaw.(bool)
if localSecretIDs {
role.SecretIDPrefix = secretIDLocalPrefix
}
default:
return logical.ErrorResponse("local_secret_ids can only be modified during role creation"), nil
}
}
previousRoleID := role.RoleID
if roleIDRaw, ok := data.GetOk("role_id"); ok {
role.RoleID = roleIDRaw.(string)
} else if req.Operation == logical.CreateOperation {
roleID, err := uuid.GenerateUUID()
if err != nil {
return nil, fmt.Errorf("failed to generate role_id: %w", err)
}
role.RoleID = roleID
}
if role.RoleID == "" {
return logical.ErrorResponse("invalid role_id supplied, or failed to generate a role_id"), nil
}
if bindSecretIDRaw, ok := data.GetOk("bind_secret_id"); ok {
role.BindSecretID = bindSecretIDRaw.(bool)
} else if req.Operation == logical.CreateOperation {
role.BindSecretID = data.Get("bind_secret_id").(bool)
}
if boundCIDRListRaw, ok := data.GetFirst("secret_id_bound_cidrs", "bound_cidr_list"); ok {
role.SecretIDBoundCIDRs = boundCIDRListRaw.([]string)
}
if len(role.SecretIDBoundCIDRs) != 0 {
valid, err := cidrutil.ValidateCIDRListSlice(role.SecretIDBoundCIDRs)
if err != nil {
return nil, fmt.Errorf("failed to validate CIDR blocks: %w", err)
}
if !valid {
return logical.ErrorResponse("invalid CIDR blocks"), nil
}
}
if secretIDNumUsesRaw, ok := data.GetOk("secret_id_num_uses"); ok {
role.SecretIDNumUses = secretIDNumUsesRaw.(int)
} else if req.Operation == logical.CreateOperation {
role.SecretIDNumUses = data.Get("secret_id_num_uses").(int)
}
if role.SecretIDNumUses < 0 {
return logical.ErrorResponse("secret_id_num_uses cannot be negative"), nil
}
if secretIDTTLRaw, ok := data.GetOk("secret_id_ttl"); ok {
role.SecretIDTTL = time.Second * time.Duration(secretIDTTLRaw.(int))
} else if req.Operation == logical.CreateOperation {
role.SecretIDTTL = time.Second * time.Duration(data.Get("secret_id_ttl").(int))
}
// handle upgrade cases
{
if err := tokenutil.UpgradeValue(data, "policies", "token_policies", &role.Policies, &role.TokenPolicies); err != nil {
return logical.ErrorResponse(err.Error()), nil
}
if err := tokenutil.UpgradeValue(data, "period", "token_period", &role.Period, &role.TokenPeriod); err != nil {
return logical.ErrorResponse(err.Error()), nil
}
}
if role.Period > b.System().MaxLeaseTTL() {
return logical.ErrorResponse(fmt.Sprintf("period of %q is greater than the backend's maximum lease TTL of %q", role.Period.String(), b.System().MaxLeaseTTL().String())), nil
}
if role.TokenMaxTTL > b.System().MaxLeaseTTL() {
if resp == nil {
resp = &logical.Response{}
}
resp.AddWarning("token_max_ttl is greater than the backend mount's maximum TTL value; issued tokens' max TTL value will be truncated")
}
// Store the entry.
return resp, b.setRoleEntry(ctx, req.Storage, role.name, role, previousRoleID)
}