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open-vault/CHANGELOG.md
Jeff Mitchell efe29d2cb4 changelog++
2016-07-19 13:57:16 -04:00

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## 0.6.1 (Unreleased)
DEPRECATIONS/BREAKING CHANGES:
* Issued certificates from the `pki` backend against new roles created or
modified after upgrading will contain a set of default key usages.
* The `dynamodb` physical data store no longer supports HA by default. It has
some non-ideal behavior around failover that was causing confusion. See the
[documentation] for information on enabling HA mode. It is very important
that this configuration is added _before upgrading_.
FEATURES:
* **Convergent Encryption in `Transit`**: The `transit` backend now supports a
convergent encryption mode where the same plaintext will produce the same
ciphertext. Although very useful in some situations, this has security
implications, which are mostly mitigated by requiring the use of key
derivation when convergent encryption is enabled. See [the `transit`
documentation](https://www.vaultproject.io/docs/secrets/transit/index.html)
for more details. [GH-1537]
* **Key Usage Control in `PKI`**: Issued certificates from roles created or
modified after upgrading contain a set of default key usages for increased
compatibility with OpenVPN and some other software. This set can be changed
when writing a role definition. Existing roles are unaffected. [GH-1552]
* **Request Retrying in the CLI and Go API**: Requests that fail with a `5xx`
error code will now retry after a backoff. The maximum total number of
retries (including disabling this functionality) can be set with an
environment variable. See the [environment variable
documentation](https://www.vaultproject.io/docs/commands/environment.html)
for more details. [GH-1594]
* **MongoDB Secret Backend**: Generate dynamic unique MongoDB database
credentials based on configured roles. Sponsored by
[CommerceHub](http://www.commercehub.com/). [GH-1414]
IMPROVEMENTS:
* cli: Output formatting in the presence of warnings in the response object
[GH-1533]
* cli: `vault auth` command supports a `-path` option to take in the path at
which the auth backend is enabled, thereby allowing authenticating against
different paths using the command options [GH-1532]
* cli: `vault auth -methods` will now display the config settings of the mount
[GH-1531]
* cli: `vault read/write/unwrap -field` now allows selecting token response
fields [GH-1567]
* cli: `vault write -field` now allows selecting wrapped response fields
[GH-1567]
* core: Response wrapping is now enabled for login endpoints [GH-1588]
* core: The duration of leadership is now exported via events through
telemetry [GH-1625]
* credential/aws-ec2: Added a new constraint, 'bound_account_id' to the role
[GH-1523]
* physical/etcd: Support `ETCD_ADDR` env var for specifying addresses [GH-1576]
* secret/aws: Listing of roles is supported now [GH-1546]
* secret/cassandra: Add `connect_timeout` value for Cassandra connection
configuration [GH-1581]
* secret/mssql,mysql,postgresql: Reading of connection settings is supported
in all the sql backends [GH-1515]
* credential/ldap, secret/cassandra, physical/consul: Clients with `tls.Config`
will have `MinVersion` set to TLS 1.2 by default.
* logical/ssh: Added `allowed_roles` to vault-ssh-helper's config and returning
role name as part of response of `verify` API.
BUG FIXES:
* credential/aws-ec2: Added a nil check for stored whitelist identity object
during renewal [GH-1542]
* core: Fix regression causing status codes to be `400` in most non-5xx error
cases [GH-1553]
* core: Fix panic that could occur during a leadership transition [GH-1627]
* secret/postgresql: Handle revoking roles that have privileges on sequences
[GH-1573]
* secret/postgresql(,mysql,mssql): Fix incorrect use of database over
transaction object which could lead to connection exhaustion [GH-1572]
* physical/postgres: Remove use of prepared statements as this causes
connection multiplexing software to break [GH-1548]
## 0.6.0 (June 14th, 2016)
SECURITY:
* Although `sys/revoke-prefix` was intended to revoke prefixes of secrets (via
lease IDs, which incorporate path information) and
`auth/token/revoke-prefix` was intended to revoke prefixes of tokens (using
the tokens' paths and, since 0.5.2, role information), in implementation
they both behaved exactly the same way since a single component in Vault is
responsible for managing lifetimes of both, and the type of the tracked
lifetime was not being checked. The end result was that either endpoint
could revoke both secret leases and tokens. We consider this a very minor
security issue as there are a number of mitigating factors: both endpoints
require `sudo` capability in addition to write capability, preventing
blanket ACL path globs from providing access; both work by using the prefix
to revoke as a part of the endpoint path, allowing them to be properly
ACL'd; and both are intended for emergency scenarios and users should
already not generally have access to either one. In order to prevent
confusion, we have simply removed `auth/token/revoke-prefix` in 0.6, and
`sys/revoke-prefix` will be meant for both leases and tokens instead.
DEPRECATIONS/BREAKING CHANGES:
* `auth/token/revoke-prefix` has been removed. See the security notice for
details. [GH-1280]
* Vault will now automatically register itself as the `vault` service when
using the `consul` backend and will perform its own health checks. See
the Consul backend documentation for information on how to disable
auto-registration and service checks.
* List operations that do not find any keys now return a `404` status code
rather than an empty response object [GH-1365]
* CA certificates issued from the `pki` backend no longer have associated
leases, and any CA certs already issued will ignore revocation requests from
the lease manager. This is to prevent CA certificates from being revoked
when the token used to issue the certificate expires; it was not be obvious
to users that they need to ensure that the token lifetime needed to be at
least as long as a potentially very long-lived CA cert.
FEATURES:
* **AWS EC2 Auth Backend**: Provides a secure introduction mechanism for AWS
EC2 instances allowing automated retrieval of Vault tokens. Unlike most
Vault authentication backends, this backend does not require first deploying
or provisioning security-sensitive credentials (tokens, username/password,
client certificates, etc). Instead, it treats AWS as a Trusted Third Party
and uses the cryptographically signed dynamic metadata information that
uniquely represents each EC2 instance. [Vault
Enterprise](https://www.hashicorp.com/vault.html) customers have access to a
turnkey client that speaks the backend API and makes access to a Vault token
easy.
* **Response Wrapping**: Nearly any response within Vault can now be wrapped
inside a single-use, time-limited token's cubbyhole, taking the [Cubbyhole
Authentication
Principles](https://www.hashicorp.com/blog/vault-cubbyhole-principles.html)
mechanism to its logical conclusion. Retrieving the original response is as
simple as a single API command or the new `vault unwrap` command. This makes
secret distribution easier and more secure, including secure introduction.
* **Azure Physical Backend**: You can now use Azure blob object storage as
your Vault physical data store [GH-1266]
* **Swift Physical Backend**: You can now use Swift blob object storage as
your Vault physical data store [GH-1425]
* **Consul Backend Health Checks**: The Consul backend will automatically
register a `vault` service and perform its own health checking. By default
the active node can be found at `active.vault.service.consul` and all with
standby nodes are `standby.vault.service.consul`. Sealed vaults are marked
critical and are not listed by default in Consul's service discovery. See
the documentation for details. [GH-1349]
* **Explicit Maximum Token TTLs**: You can now set explicit maximum TTLs on
tokens that do not honor changes in the system- or mount-set values. This is
useful, for instance, when the max TTL of the system or the `auth/token`
mount must be set high to accommodate certain needs but you want more
granular restrictions on tokens being issued directly from the Token
authentication backend at `auth/token`. [GH-1399]
* **Non-Renewable Tokens**: When creating tokens directly through the token
authentication backend, you can now specify in both token store roles and
the API whether or not a token should be renewable, defaulting to `true`.
* **RabbitMQ Secret Backend**: Vault can now generate credentials for
RabbitMQ. Vhosts and tags can be defined within roles. [GH-788]
IMPROVEMENTS:
* audit: Add the DisplayName value to the copy of the Request object embedded
in the associated Response, to match the original Request object [GH-1387]
* audit: Enable auditing of the `seal` and `step-down` commands [GH-1435]
* backends: Remove most `root`/`sudo` paths in favor of normal ACL mechanisms.
A particular exception are any current MFA paths. A few paths in `token` and
`sys` also require `root` or `sudo`. [GH-1478]
* command/auth: Restore the previous authenticated token if the `auth` command
fails to authenticate the provided token [GH-1233]
* command/write: `-format` and `-field` can now be used with the `write`
command [GH-1228]
* core: Add `mlock` support for FreeBSD, OpenBSD, and Darwin [GH-1297]
* core: Don't keep lease timers around when tokens are revoked [GH-1277]
* core: If using the `disable_cache` option, caches for the policy store and
the `transit` backend are now disabled as well [GH-1346]
* credential/cert: Renewal requests are rejected if the set of policies has
changed since the token was issued [GH-477]
* credential/cert: Check CRLs for specific non-CA certs configured in the
backend [GH-1404]
* credential/ldap: If `groupdn` is not configured, skip searching LDAP and
only return policies for local groups, plus a warning [GH-1283]
* credential/ldap: `vault list` support for users and groups [GH-1270]
* credential/ldap: Support for the `memberOf` attribute for group membership
searching [GH-1245]
* credential/userpass: Add list support for users [GH-911]
* credential/userpass: Remove user configuration paths from requiring sudo, in
favor of normal ACL mechanisms [GH-1312]
* credential/token: Sanitize policies and add `default` policies in appropriate
places [GH-1235]
* credential/token: Setting the renewable status of a token is now possible
via `vault token-create` and the API. The default is true, but tokens can be
specified as non-renewable. [GH-1499]
* secret/aws: Use chain credentials to allow environment/EC2 instance/shared
providers [GH-307]
* secret/aws: Support for STS AssumeRole functionality [GH-1318]
* secret/consul: Reading consul access configuration supported. The response
will contain non-sensitive information only [GH-1445]
* secret/pki: Added `exclude_cn_from_sans` field to prevent adding the CN to
DNS or Email Subject Alternate Names [GH-1220]
* secret/pki: Added list support for certificates [GH-1466]
* sys/capabilities: Enforce ACL checks for requests that query the capabilities
of a token on a given path [GH-1221]
* sys/health: Status information can now be retrieved with `HEAD` [GH-1509]
BUG FIXES:
* command/read: Fix panic when using `-field` with a non-string value [GH-1308]
* command/token-lookup: Fix TTL showing as 0 depending on how a token was
created. This only affected the value shown at lookup, not the token
behavior itself. [GH-1306]
* command/various: Tell the JSON decoder to not convert all numbers to floats;
fixes some various places where numbers were showing up in scientific
notation
* command/server: Prioritized `devRootTokenID` and `devListenAddress` flags
over their respective env vars [GH-1480]
* command/ssh: Provided option to disable host key checking. The automated
variant of `vault ssh` command uses `sshpass` which was failing to handle
host key checking presented by the `ssh` binary. [GH-1473]
* core: Properly persist mount-tuned TTLs for auth backends [GH-1371]
* core: Don't accidentally crosswire SIGINT to the reload handler [GH-1372]
* credential/github: Make organization comparison case-insensitive during
login [GH-1359]
* credential/github: Fix panic when renewing a token created with some earlier
versions of Vault [GH-1510]
* credential/github: The token used to log in via `vault auth` can now be
specified in the `VAULT_AUTH_GITHUB_TOKEN` environment variable [GH-1511]
* credential/ldap: Fix problem where certain error conditions when configuring
or opening LDAP connections would cause a panic instead of return a useful
error message [GH-1262]
* credential/token: Fall back to normal parent-token semantics if
`allowed_policies` is empty for a role. Using `allowed_policies` of
`default` resulted in the same behavior anyways. [GH-1276]
* credential/token: Fix issues renewing tokens when using the "suffix"
capability of token roles [GH-1331]
* credential/token: Fix lookup via POST showing the request token instead of
the desired token [GH-1354]
* credential/various: Fix renewal conditions when `default` policy is not
contained in the backend config [GH-1256]
* physical/s3: Don't panic in certain error cases from bad S3 responses [GH-1353]
* secret/consul: Use non-pooled Consul API client to avoid leaving files open
[GH-1428]
* secret/pki: Don't check whether a certificate is destined to be a CA
certificate if sign-verbatim endpoint is used [GH-1250]
## 0.5.3 (May 27th, 2016)
SECURITY:
* Consul ACL Token Revocation: An issue was reported to us indicating that
generated Consul ACL tokens were not being properly revoked. Upon
investigation, we found that this behavior was reproducible in a specific
scenario: when a generated lease for a Consul ACL token had been renewed
prior to revocation. In this case, the generated token was not being
properly persisted internally through the renewal function, leading to an
error during revocation due to the missing token. Unfortunately, this was
coded as a user error rather than an internal error, and the revocation
logic was expecting internal errors if revocation failed. As a result, the
revocation logic believed the revocation to have succeeded when it in fact
failed, causing the lease to be dropped while the token was still valid
within Consul. In this release, the Consul backend properly persists the
token through renewals, and the revocation logic has been changed to
consider any error type to have been a failure to revoke, causing the lease
to persist and attempt to be revoked later.
We have written an example shell script that searches through Consul's ACL
tokens and looks for those generated by Vault, which can be used as a template
for a revocation script as deemed necessary for any particular security
response. The script is available at
https://gist.github.com/jefferai/6233c2963f9407a858d84f9c27d725c0
Please note that any outstanding leases for Consul tokens produced prior to
0.5.3 that have been renewed will continue to exhibit this behavior. As a
result, we recommend either revoking all tokens produced by the backend and
issuing new ones, or if needed, a more advanced variant of the provided example
could use the timestamp embedded in each generated token's name to decide which
tokens are too old and should be deleted. This could then be run periodically
up until the maximum lease time for any outstanding pre-0.5.3 tokens has
expired.
This is a security-only release. There are no other code changes since 0.5.2.
The binaries have one additional change: they are built against Go 1.6.1 rather
than Go 1.6, as Go 1.6.1 contains two security fixes to the Go programming
language itself.
## 0.5.2 (March 16th, 2016)
FEATURES:
* **MSSQL Backend**: Generate dynamic unique MSSQL database credentials based
on configured roles [GH-998]
* **Token Accessors**: Vault now provides an accessor with each issued token.
This accessor is an identifier that can be used for a limited set of
actions, notably for token revocation. This value can be logged in
plaintext to audit logs, and in combination with the plaintext metadata
logged to audit logs, provides a searchable and straightforward way to
revoke particular users' or services' tokens in many cases. To enable
plaintext audit logging of these accessors, set `hmac_accessor=false` when
enabling an audit backend.
* **Token Credential Backend Roles**: Roles can now be created in the `token`
credential backend that allow modifying token behavior in ways that are not
otherwise exposed or easily delegated. This allows creating tokens with a
fixed set (or subset) of policies (rather than a subset of the calling
token's), periodic tokens with a fixed TTL but no expiration, specified
prefixes, and orphans.
* **Listener Certificate Reloading**: Vault's configured listeners now reload
their TLS certificate and private key when the Vault process receives a
SIGHUP.
IMPROVEMENTS:
* auth/token: Endpoints optionally accept tokens from the HTTP body rather
than just from the URLs [GH-1211]
* auth/token,sys/capabilities: Added new endpoints
`auth/token/lookup-accessor`, `auth/token/revoke-accessor` and
`sys/capabilities-accessor`, which enables performing the respective actions
with just the accessor of the tokens, without having access to the actual
token [GH-1188]
* core: Ignore leading `/` in policy paths [GH-1170]
* core: Ignore leading `/` in mount paths [GH-1172]
* command/policy-write: Provided HCL is now validated for format violations
and provides helpful information around where the violation occurred
[GH-1200]
* command/server: The initial root token ID when running in `-dev` mode can
now be specified via `-dev-root-token-id` or the environment variable
`VAULT_DEV_ROOT_TOKEN_ID` [GH-1162]
* command/server: The listen address when running in `-dev` mode can now be
specified via `-dev-listen-address` or the environment variable
`VAULT_DEV_LISTEN_ADDRESS` [GH-1169]
* command/server: The configured listeners now reload their TLS
certificates/keys when Vault is SIGHUP'd [GH-1196]
* command/step-down: New `vault step-down` command and API endpoint to force
the targeted node to give up active status, but without sealing. The node
will wait ten seconds before attempting to grab the lock again. [GH-1146]
* command/token-renew: Allow no token to be passed in; use `renew-self` in
this case. Change the behavior for any token being passed in to use `renew`.
[GH-1150]
* credential/app-id: Allow `app-id` parameter to be given in the login path;
this causes the `app-id` to be part of the token path, making it easier to
use with `revoke-prefix` [GH-424]
* credential/cert: Non-CA certificates can be used for authentication. They
must be matched exactly (issuer and serial number) for authentication, and
the certificate must carry the client authentication or 'any' extended usage
attributes. [GH-1153]
* credential/cert: Subject and Authority key IDs are output in metadata; this
allows more flexible searching/revocation in the audit logs [GH-1183]
* credential/cert: Support listing configured certs [GH-1212]
* credential/userpass: Add support for `create`/`update` capability
distinction in user path, and add user-specific endpoints to allow changing
the password and policies [GH-1216]
* credential/token: Add roles [GH-1155]
* secret/mssql: Add MSSQL backend [GH-998]
* secret/pki: Add revocation time (zero or Unix epoch) to `pki/cert/SERIAL`
endpoint [GH-1180]
* secret/pki: Sanitize serial number in `pki/revoke` endpoint to allow some
other formats [GH-1187]
* secret/ssh: Added documentation for `ssh/config/zeroaddress` endpoint.
[GH-1154]
* sys: Added new endpoints `sys/capabilities` and `sys/capabilities-self` to
fetch the capabilities of a token on a given path [GH-1171]
* sys: Added `sys/revoke-force`, which enables a user to ignore backend errors
when revoking a lease, necessary in some emergency/failure scenarios
[GH-1168]
* sys: The return codes from `sys/health` can now be user-specified via query
parameters [GH-1199]
BUG FIXES:
* logical/cassandra: Apply hyphen/underscore replacement to the entire
generated username, not just the UUID, in order to handle token display name
hyphens [GH-1140]
* physical/etcd: Output actual error when cluster sync fails [GH-1141]
* vault/expiration: Not letting the error responses from the backends to skip
during renewals [GH-1176]
## 0.5.1 (February 25th, 2016)
DEPRECATIONS/BREAKING CHANGES:
* RSA keys less than 2048 bits are no longer supported in the PKI backend.
1024-bit keys are considered unsafe and are disallowed in the Internet PKI.
The `pki` backend has enforced SHA256 hashes in signatures from the
beginning, and software that can handle these hashes should be able to
handle larger key sizes. [GH-1095]
* The PKI backend now does not automatically delete expired certificates,
including from the CRL. Doing so could lead to a situation where a time
mismatch between the Vault server and clients could result in a certificate
that would not be considered expired by a client being removed from the CRL.
The new `pki/tidy` endpoint can be used to trigger expirations. [GH-1129]
* The `cert` backend now performs a variant of channel binding at renewal time
for increased security. In order to not overly burden clients, a notion of
identity is used. This functionality can be disabled. See the 0.5.1 upgrade
guide for more specific information [GH-1127]
FEATURES:
* **Codebase Audit**: Vault's 0.5 codebase was audited by iSEC. (The terms of
the audit contract do not allow us to make the results public.) [GH-220]
IMPROVEMENTS:
* api: The `VAULT_TLS_SERVER_NAME` environment variable can be used to control
the SNI header during TLS connections [GH-1131]
* api/health: Add the server's time in UTC to health responses [GH-1117]
* command/rekey and command/generate-root: These now return the status at
attempt initialization time, rather than requiring a separate fetch for the
nonce [GH-1054]
* credential/cert: Don't require root/sudo tokens for the `certs/` and `crls/`
paths; use normal ACL behavior instead [GH-468]
* credential/github: The validity of the token used for login will be checked
at renewal time [GH-1047]
* credential/github: The `config` endpoint no longer requires a root token;
normal ACL path matching applies
* deps: Use the standardized Go 1.6 vendoring system
* secret/aws: Inform users of AWS-imposed policy restrictions around STS
tokens if they attempt to use an invalid policy [GH-1113]
* secret/mysql: The MySQL backend now allows disabling verification of the
`connection_url` [GH-1096]
* secret/pki: Submitted CSRs are now verified to have the correct key type and
minimum number of bits according to the role. The exception is intermediate
CA signing and the `sign-verbatim` path [GH-1104]
* secret/pki: New `tidy` endpoint to allow expunging expired certificates.
[GH-1129]
* secret/postgresql: The PostgreSQL backend now allows disabling verification
of the `connection_url` [GH-1096]
* secret/ssh: When verifying an OTP, return 400 if it is not valid instead of
204 [GH-1086]
* credential/app-id: App ID backend will check the validity of app-id and user-id
during renewal time [GH-1039]
* credential/cert: TLS Certificates backend, during renewal, will now match the
client identity with the client identity used during login [GH-1127]
BUG FIXES:
* credential/ldap: Properly escape values being provided to search filters
[GH-1100]
* secret/aws: Capping on length of usernames for both IAM and STS types
[GH-1102]
* secret/pki: If a cert is not found during lookup of a serial number,
respond with a 400 rather than a 500 [GH-1085]
* secret/postgresql: Add extra revocation statements to better handle more
permission scenarios [GH-1053]
* secret/postgresql: Make connection_url work properly [GH-1112]
## 0.5.0 (February 10, 2016)
SECURITY:
* Previous versions of Vault could allow a malicious user to hijack the rekey
operation by canceling an operation in progress and starting a new one. The
practical application of this is very small. If the user was an unseal key
owner, they could attempt to do this in order to either receive unencrypted
reseal keys or to replace the PGP keys used for encryption with ones under
their control. However, since this would invalidate any rekey progress, they
would need other unseal key holders to resubmit, which would be rather
suspicious during this manual operation if they were not also the original
initiator of the rekey attempt. If the user was not an unseal key holder,
there is no benefit to be gained; the only outcome that could be attempted
would be a denial of service against a legitimate rekey operation by sending
cancel requests over and over. Thanks to Josh Snyder for the report!
DEPRECATIONS/BREAKING CHANGES:
* `s3` physical backend: Environment variables are now preferred over
configuration values. This makes it behave similar to the rest of Vault,
which, in increasing order of preference, uses values from the configuration
file, environment variables, and CLI flags. [GH-871]
* `etcd` physical backend: `sync` functionality is now supported and turned on
by default. This can be disabled. [GH-921]
* `transit`: If a client attempts to encrypt a value with a key that does not
yet exist, what happens now depends on the capabilities set in the client's
ACL policies. If the client has `create` (or `create` and `update`)
capability, the key will upsert as in the past. If the client has `update`
capability, they will receive an error. [GH-1012]
* `token-renew` CLI command: If the token given for renewal is the same as the
client token, the `renew-self` endpoint will be used in the API. Given that
the `default` policy (by default) allows all clients access to the
`renew-self` endpoint, this makes it much more likely that the intended
operation will be successful. [GH-894]
* Token `lookup`: the `ttl` value in the response now reflects the actual
remaining TTL rather than the original TTL specified when the token was
created; this value is now located in `creation_ttl` [GH-986]
* Vault no longer uses grace periods on leases or token TTLs. Uncertainty
about the length grace period for any given backend could cause confusion
and uncertainty. [GH-1002]
* `rekey`: Rekey now requires a nonce to be supplied with key shares. This
nonce is generated at the start of a rekey attempt and is unique for that
attempt.
* `status`: The exit code for the `status` CLI command is now `2` for an
uninitialized Vault instead of `1`. `1` is returned for errors. This better
matches the rest of the CLI.
FEATURES:
* **Split Data/High Availability Physical Backends**: You can now configure
two separate physical backends: one to be used for High Availability
coordination and another to be used for encrypted data storage. See the
[configuration
documentation](https://vaultproject.io/docs/config/index.html) for details.
[GH-395]
* **Fine-Grained Access Control**: Policies can now use the `capabilities` set
to specify fine-grained control over operations allowed on a path, including
separation of `sudo` privileges from other privileges. These can be mixed
and matched in any way desired. The `policy` value is kept for backwards
compatibility. See the [updated policy
documentation](https://vaultproject.io/docs/concepts/policies.html) for
details. [GH-914]
* **List Support**: Listing is now supported via the API and the new `vault
list` command. This currently supports listing keys in the `generic` and
`cubbyhole` backends and a few other places (noted in the IMPROVEMENTS
section below). Different parts of the API and backends will need to
implement list capabilities in ways that make sense to particular endpoints,
so further support will appear over time. [GH-617]
* **Root Token Generation via Unseal Keys**: You can now use the
`generate-root` CLI command to generate new orphaned, non-expiring root
tokens in case the original is lost or revoked (accidentally or
purposefully). This requires a quorum of unseal key holders. The output
value is protected via any PGP key of the initiator's choosing or a one-time
pad known only to the initiator (a suitable pad can be generated via the
`-genotp` flag to the command. [GH-915]
* **Unseal Key Archiving**: You can now optionally have Vault store your
unseal keys in your chosen physical store for disaster recovery purposes.
This option is only available when the keys are encrypted with PGP. [GH-907]
* **Keybase Support for PGP Encryption Keys**: You can now specify Keybase
users when passing in PGP keys to the `init`, `rekey`, and `generate-root`
CLI commands. Public keys for these users will be fetched automatically.
[GH-901]
* **DynamoDB HA Physical Backend**: There is now a new, community-supported
HA-enabled physical backend using Amazon DynamoDB. See the [configuration
documentation](https://vaultproject.io/docs/config/index.html) for details.
[GH-878]
* **PostgreSQL Physical Backend**: There is now a new, community-supported
physical backend using PostgreSQL. See the [configuration
documentation](https://vaultproject.io/docs/config/index.html) for details.
[GH-945]
* **STS Support in AWS Secret Backend**: You can now use the AWS secret
backend to fetch STS tokens rather than IAM users. [GH-927]
* **Speedups in the transit backend**: The `transit` backend has gained a
cache, and now loads only the working set of keys (e.g. from the
`min_decryption_version` to the current key version) into its working set.
This provides large speedups and potential memory savings when the `rotate`
feature of the backend is used heavily.
IMPROVEMENTS:
* cli: Output secrets sorted by key name [GH-830]
* cli: Support YAML as an output format [GH-832]
* cli: Show an error if the output format is incorrect, rather than falling
back to an empty table [GH-849]
* cli: Allow setting the `advertise_addr` for HA via the
`VAULT_ADVERTISE_ADDR` environment variable [GH-581]
* cli/generate-root: Add generate-root and associated functionality [GH-915]
* cli/init: Add `-check` flag that returns whether Vault is initialized
[GH-949]
* cli/server: Use internal functions for the token-helper rather than shelling
out, which fixes some problems with using a static binary in Docker or paths
with multiple spaces when launching in `-dev` mode [GH-850]
* cli/token-lookup: Add token-lookup command [GH-892]
* command/{init,rekey}: Allow ASCII-armored keychain files to be arguments for
`-pgp-keys` [GH-940]
* conf: Use normal bool values rather than empty/non-empty for the
`tls_disable` option [GH-802]
* credential/ldap: Add support for binding, both anonymously (to discover a
user DN) and via a username and password [GH-975]
* credential/token: Add `last_renewal_time` to token lookup calls [GH-896]
* credential/token: Change `ttl` to reflect the current remaining TTL; the
original value is in `creation_ttl` [GH-1007]
* helper/certutil: Add ability to parse PKCS#8 bundles [GH-829]
* logical/aws: You can now get STS tokens instead of IAM users [GH-927]
* logical/cassandra: Add `protocol_version` parameter to set the CQL proto
version [GH-1005]
* logical/cubbyhole: Add cubbyhole access to default policy [GH-936]
* logical/mysql: Add list support for roles path [GH-984]
* logical/pki: Fix up key usages being specified for CAs [GH-989]
* logical/pki: Add list support for roles path [GH-985]
* logical/pki: Allow `pem_bundle` to be specified as the format, which
provides a concatenated PEM bundle of returned values [GH-1008]
* logical/pki: Add 30 seconds of slack to the validity start period to
accommodate some clock skew in machines [GH-1036]
* logical/postgres: Add `max_idle_connections` parameter [GH-950]
* logical/postgres: Add list support for roles path
* logical/ssh: Add list support for roles path [GH-983]
* logical/transit: Keys are archived and only keys between the latest version
and `min_decryption_version` are loaded into the working set. This can
provide a very large speed increase when rotating keys very often. [GH-977]
* logical/transit: Keys are now cached, which should provide a large speedup
in most cases [GH-979]
* physical/cache: Use 2Q cache instead of straight LRU [GH-908]
* physical/etcd: Support basic auth [GH-859]
* physical/etcd: Support sync functionality and enable by default [GH-921]
BUG FIXES:
* api: Correct the HTTP verb used in the LookupSelf method [GH-887]
* api: Fix the output of `Sys().MountConfig(...)` to return proper values
[GH-1017]
* command/read: Fix panic when an empty argument was given [GH-923]
* command/ssh: Fix panic when username lookup fails [GH-886]
* core: When running in standalone mode, don't advertise that we are active
until post-unseal setup completes [GH-872]
* core: Update go-cleanhttp dependency to ensure idle connections aren't
leaked [GH-867]
* core: Don't allow tokens to have duplicate policies [GH-897]
* core: Fix regression in `sys/renew` that caused information stored in the
Secret part of the response to be lost [GH-912]
* physical: Use square brackets when setting an IPv6-based advertise address
as the auto-detected advertise address [GH-883]
* physical/s3: Use an initialized client when using IAM roles to fix a
regression introduced against newer versions of the AWS Go SDK [GH-836]
* secret/pki: Fix a condition where unmounting could fail if the CA
certificate was not properly loaded [GH-946]
* secret/ssh: Fix a problem where SSH connections were not always closed
properly [GH-942]
MISC:
* Clarified our stance on support for community-derived physical backends.
See the [configuration
documentation](https://vaultproject.io/docs/config/index.html) for details.
* Add `vault-java` to libraries [GH-851]
* Various minor documentation fixes and improvements [GH-839] [GH-854]
[GH-861] [GH-876] [GH-899] [GH-900] [GH-904] [GH-923] [GH-924] [GH-958]
[GH-959] [GH-981] [GH-990] [GH-1024] [GH-1025]
BUILD NOTE:
* The HashiCorp-provided binary release of Vault 0.5.0 is built against a
patched version of Go 1.5.3 containing two specific bug fixes affecting TLS
certificate handling. These fixes are in the Go 1.6 tree and were
cherry-picked on top of stock Go 1.5.3. If you want to examine the way in
which the releases were built, please look at our [cross-compilation
Dockerfile](https://github.com/hashicorp/vault/blob/v0.5.0/scripts/cross/Dockerfile-patched-1.5.3).
## 0.4.1 (January 13, 2016)
SECURITY:
* Build against Go 1.5.3 to mitigate a security vulnerability introduced in
Go 1.5. For more information, please see
https://groups.google.com/forum/#!topic/golang-dev/MEATuOi_ei4
This is a security-only release; other than the version number and building
against Go 1.5.3, there are no changes from 0.4.0.
## 0.4.0 (December 10, 2015)
DEPRECATIONS/BREAKING CHANGES:
* Policy Name Casing: Policy names are now normalized to lower-case on write,
helping prevent accidental case mismatches. For backwards compatibility,
policy names are not currently normalized when reading or deleting. [GH-676]
* Default etcd port number: the default connection string for the `etcd`
physical store uses port 2379 instead of port 4001, which is the port used
by the supported version 2.x of etcd. [GH-753]
* As noted below in the FEATURES section, if your Vault installation contains
a policy called `default`, new tokens created will inherit this policy
automatically.
* In the PKI backend there have been a few minor breaking changes:
* The token display name is no longer a valid option for providing a base
domain for issuance. Since this name is prepended with the name of the
authentication backend that issued it, it provided a faulty use-case at best
and a confusing experience at worst. We hope to figure out a better
per-token value in a future release.
* The `allowed_base_domain` parameter has been changed to `allowed_domains`,
which accepts a comma-separated list of domains. This allows issuing
certificates with DNS subjects across multiple domains. If you had a
configured `allowed_base_domain` parameter, it will be migrated
automatically when the role is read (either via a normal read, or via
issuing a certificate).
FEATURES:
* **Significantly Enhanced PKI Backend**: The `pki` backend can now generate
and sign root CA certificates and intermediate CA CSRs. It can also now sign
submitted client CSRs, as well as a significant number of other
enhancements. See the updated documentation for the full API. [GH-666]
* **CRL Checking for Certificate Authentication**: The `cert` backend now
supports pushing CRLs into the mount and using the contained serial numbers
for revocation checking. See the documentation for the `cert` backend for
more info. [GH-330]
* **Default Policy**: Vault now ensures that a policy named `default` is added
to every token. This policy cannot be deleted, but it can be modified
(including to an empty policy). There are three endpoints allowed in the
default `default` policy, related to token self-management: `lookup-self`,
which allows a token to retrieve its own information, and `revoke-self` and
`renew-self`, which are self-explanatory. If your existing Vault
installation contains a policy called `default`, it will not be overridden,
but it will be added to each new token created. You can override this
behavior when using manual token creation (i.e. not via an authentication
backend) by setting the "no_default_policy" flag to true. [GH-732]
IMPROVEMENTS:
* api: API client now uses a 60 second timeout instead of indefinite [GH-681]
* api: Implement LookupSelf, RenewSelf, and RevokeSelf functions for auth
tokens [GH-739]
* api: Standardize environment variable reading logic inside the API; the CLI
now uses this but can still override via command-line parameters [GH-618]
* audit: HMAC-SHA256'd client tokens are now stored with each request entry.
Previously they were only displayed at creation time; this allows much
better traceability of client actions. [GH-713]
* audit: There is now a `sys/audit-hash` endpoint that can be used to generate
an HMAC-SHA256'd value from provided data using the given audit backend's
salt [GH-784]
* core: The physical storage read cache can now be disabled via
"disable_cache" [GH-674]
* core: The unsealing process can now be reset midway through (this feature
was documented before, but not enabled) [GH-695]
* core: Tokens can now renew themselves [GH-455]
* core: Base64-encoded PGP keys can be used with the CLI for `init` and
`rekey` operations [GH-653]
* core: Print version on startup [GH-765]
* core: Access to `sys/policy` and `sys/mounts` now uses the normal ACL system
instead of requiring a root token [GH-769]
* credential/token: Display whether or not a token is an orphan in the output
of a lookup call [GH-766]
* logical: Allow `.` in path-based variables in many more locations [GH-244]
* logical: Responses now contain a "warnings" key containing a list of
warnings returned from the server. These are conditions that did not require
failing an operation, but of which the client should be aware. [GH-676]
* physical/(consul,etcd): Consul and etcd now use a connection pool to limit
the number of outstanding operations, improving behavior when a lot of
operations must happen at once [GH-677] [GH-780]
* physical/consul: The `datacenter` parameter was removed; It could not be
effective unless the Vault node (or the Consul node it was connecting to)
was in the datacenter specified, in which case it wasn't needed [GH-816]
* physical/etcd: Support TLS-encrypted connections and use a connection pool
to limit the number of outstanding operations [GH-780]
* physical/s3: The S3 endpoint can now be configured, allowing using
S3-API-compatible storage solutions [GH-750]
* physical/s3: The S3 bucket can now be configured with the `AWS_S3_BUCKET`
environment variable [GH-758]
* secret/consul: Management tokens can now be created [GH-714]
BUG FIXES:
* api: API client now checks for a 301 response for redirects. Vault doesn't
generate these, but in certain conditions Go's internal HTTP handler can
generate them, leading to client errors.
* cli: `token-create` now supports the `ttl` parameter in addition to the
deprecated `lease` parameter. [GH-688]
* core: Return data from `generic` backends on the last use of a limited-use
token [GH-615]
* core: Fix upgrade path for leases created in `generic` prior to 0.3 [GH-673]
* core: Stale leader entries will now be reaped [GH-679]
* core: Using `mount-tune` on the auth/token path did not take effect.
[GH-688]
* core: Fix a potential race condition when (un)sealing the vault with metrics
enabled [GH-694]
* core: Fix an error that could happen in some failure scenarios where Vault
could fail to revert to a clean state [GH-733]
* core: Ensure secondary indexes are removed when a lease is expired [GH-749]
* core: Ensure rollback manager uses an up-to-date mounts table [GH-771]
* everywhere: Don't use http.DefaultClient, as it shares state implicitly and
is a source of hard-to-track-down bugs [GH-700]
* credential/token: Allow creating orphan tokens via an API path [GH-748]
* secret/generic: Validate given duration at write time, not just read time;
if stored durations are not parseable, return a warning and the default
duration rather than an error [GH-718]
* secret/generic: Return 400 instead of 500 when `generic` backend is written
to with no data fields [GH-825]
* secret/postgresql: Revoke permissions before dropping a user or revocation
may fail [GH-699]
MISC:
* Various documentation fixes and improvements [GH-685] [GH-688] [GH-697]
[GH-710] [GH-715] [GH-831]
## 0.3.1 (October 6, 2015)
SECURITY:
* core: In certain failure scenarios, the full values of requests and
responses would be logged [GH-665]
FEATURES:
* **Settable Maximum Open Connections**: The `mysql` and `postgresql` backends
now allow setting the number of maximum open connections to the database,
which was previously capped to 2. [GH-661]
* **Renewable Tokens for GitHub**: The `github` backend now supports
specifying a TTL, enabling renewable tokens. [GH-664]
BUG FIXES:
* dist: linux-amd64 distribution was dynamically linked [GH-656]
* credential/github: Fix acceptance tests [GH-651]
MISC:
* Various minor documentation fixes and improvements [GH-649] [GH-650]
[GH-654] [GH-663]
## 0.3.0 (September 28, 2015)
DEPRECATIONS/BREAKING CHANGES:
Note: deprecations and breaking changes in upcoming releases are announced
ahead of time on the "vault-tool" mailing list.
* **Cookie Authentication Removed**: As of 0.3 the only way to authenticate is
via the X-Vault-Token header. Cookie authentication was hard to properly
test, could result in browsers/tools/applications saving tokens in plaintext
on disk, and other issues. [GH-564]
* **Terminology/Field Names**: Vault is transitioning from overloading the
term "lease" to mean both "a set of metadata" and "the amount of time the
metadata is valid". The latter is now being referred to as TTL (or
"lease_duration" for backwards-compatibility); some parts of Vault have
already switched to using "ttl" and others will follow in upcoming releases.
In particular, the "token", "generic", and "pki" backends accept both "ttl"
and "lease" but in 0.4 only "ttl" will be accepted. [GH-528]
* **Downgrade Not Supported**: Due to enhancements in the storage subsystem,
values written by Vault 0.3+ will not be able to be read by prior versions
of Vault. There are no expected upgrade issues, however, as with all
critical infrastructure it is recommended to back up Vault's physical
storage before upgrading.
FEATURES:
* **SSH Backend**: Vault can now be used to delegate SSH access to machines,
via a (recommended) One-Time Password approach or by issuing dynamic keys.
[GH-385]
* **Cubbyhole Backend**: This backend works similarly to the "generic" backend
but provides a per-token workspace. This enables some additional
authentication workflows (especially for containers) and can be useful to
applications to e.g. store local credentials while being restarted or
upgraded, rather than persisting to disk. [GH-612]
* **Transit Backend Improvements**: The transit backend now allows key
rotation and datakey generation. For rotation, data encrypted with previous
versions of the keys can still be decrypted, down to a (configurable)
minimum previous version; there is a rewrap function for manual upgrades of
ciphertext to newer versions. Additionally, the backend now allows
generating and returning high-entropy keys of a configurable bitsize
suitable for AES and other functions; this is returned wrapped by a named
key, or optionally both wrapped and plaintext for immediate use. [GH-626]
* **Global and Per-Mount Default/Max TTL Support**: You can now set the
default and maximum Time To Live for leases both globally and per-mount.
Per-mount settings override global settings. Not all backends honor these
settings yet, but the maximum is a hard limit enforced outside the backend.
See the documentation for "/sys/mounts/" for details on configuring
per-mount TTLs. [GH-469]
* **PGP Encryption for Unseal Keys**: When initializing or rotating Vault's
master key, PGP/GPG public keys can now be provided. The output keys will be
encrypted with the given keys, in order. [GH-570]
* **Duo Multifactor Authentication Support**: Backends that support MFA can
now use Duo as the mechanism. [GH-464]
* **Performance Improvements**: Users of the "generic" backend will see a
significant performance improvement as the backend no longer creates leases,
although it does return TTLs (global/mount default, or set per-item) as
before. [GH-631]
* **Codebase Audit**: Vault's codebase was audited by iSEC. (The terms of the
audit contract do not allow us to make the results public.) [GH-220]
IMPROVEMENTS:
* audit: Log entries now contain a time field [GH-495]
* audit: Obfuscated audit entries now use hmac-sha256 instead of sha1 [GH-627]
* backends: Add ability for a cleanup function to be called on backend unmount
[GH-608]
* config: Allow specifying minimum acceptable TLS version [GH-447]
* core: If trying to mount in a location that is already mounted, be more
helpful about the error [GH-510]
* core: Be more explicit on failure if the issue is invalid JSON [GH-553]
* core: Tokens can now revoke themselves [GH-620]
* credential/app-id: Give a more specific error when sending a duplicate POST
to sys/auth/app-id [GH-392]
* credential/github: Support custom API endpoints (e.g. for Github Enterprise)
[GH-572]
* credential/ldap: Add per-user policies and option to login with
userPrincipalName [GH-420]
* credential/token: Allow root tokens to specify the ID of a token being
created from CLI [GH-502]
* credential/userpass: Enable renewals for login tokens [GH-623]
* scripts: Use /usr/bin/env to find Bash instead of hardcoding [GH-446]
* scripts: Use godep for build scripts to use same environment as tests
[GH-404]
* secret/mysql: Allow reading configuration data [GH-529]
* secret/pki: Split "allow_any_name" logic to that and "enforce_hostnames", to
allow for non-hostname values (e.g. for client certificates) [GH-555]
* storage/consul: Allow specifying certificates used to talk to Consul
[GH-384]
* storage/mysql: Allow SSL encrypted connections [GH-439]
* storage/s3: Allow using temporary security credentials [GH-433]
* telemetry: Put telemetry object in configuration to allow more flexibility
[GH-419]
* testing: Disable mlock for testing of logical backends so as not to require
root [GH-479]
BUG FIXES:
* audit/file: Do not enable auditing if file permissions are invalid [GH-550]
* backends: Allow hyphens in endpoint patterns (fixes AWS and others) [GH-559]
* cli: Fixed missing setup of client TLS certificates if no custom CA was
provided
* cli/read: Do not include a carriage return when using raw field output
[GH-624]
* core: Bad input data could lead to a panic for that session, rather than
returning an error [GH-503]
* core: Allow SHA2-384/SHA2-512 hashed certificates [GH-448]
* core: Do not return a Secret if there are no uses left on a token (since it
will be unable to be used) [GH-615]
* core: Code paths that called lookup-self would decrement num_uses and
potentially immediately revoke a token [GH-552]
* core: Some /sys/ paths would not properly redirect from a standby to the
leader [GH-499] [GH-551]
* credential/aws: Translate spaces in a token's display name to avoid making
IAM unhappy [GH-567]
* credential/github: Integration failed if more than ten organizations or
teams [GH-489]
* credential/token: Tokens with sudo access to "auth/token/create" can now use
root-only options [GH-629]
* secret/cassandra: Work around backwards-incompatible change made in
Cassandra 2.2 preventing Vault from properly setting/revoking leases
[GH-549]
* secret/mysql: Use varbinary instead of varchar to avoid InnoDB/UTF-8 issues
[GH-522]
* secret/postgres: Explicitly set timezone in connections [GH-597]
* storage/etcd: Renew semaphore periodically to prevent leadership flapping
[GH-606]
* storage/zk: Fix collisions in storage that could lead to data unavailability
[GH-411]
MISC:
* Various documentation fixes and improvements [GH-412] [GH-474] [GH-476]
[GH-482] [GH-483] [GH-486] [GH-508] [GH-568] [GH-574] [GH-586] [GH-590]
[GH-591] [GH-592] [GH-595] [GH-613] [GH-637]
* Less "armon" in stack traces [GH-453]
* Sourcegraph integration [GH-456]
## 0.2.0 (July 13, 2015)
FEATURES:
* **Key Rotation Support**: The `rotate` command can be used to rotate the
master encryption key used to write data to the storage (physical) backend.
[GH-277]
* **Rekey Support**: Rekey can be used to rotate the master key and change the
configuration of the unseal keys (number of shares, threshold required).
[GH-277]
* **New secret backend: `pki`**: Enable Vault to be a certificate authority
and generate signed TLS certificates. [GH-310]
* **New secret backend: `cassandra`**: Generate dynamic credentials for
Cassandra [GH-363]
* **New storage backend: `etcd`**: store physical data in etcd [GH-259]
[GH-297]
* **New storage backend: `s3`**: store physical data in S3. Does not support
HA. [GH-242]
* **New storage backend: `MySQL`**: store physical data in MySQL. Does not
support HA. [GH-324]
* `transit` secret backend supports derived keys for per-transaction unique
keys [GH-399]
IMPROVEMENTS:
* cli/auth: Enable `cert` method [GH-380]
* cli/auth: read input from stdin [GH-250]
* cli/read: Ability to read a single field from a secret [GH-257]
* cli/write: Adding a force flag when no input required
* core: allow time duration format in place of seconds for some inputs
* core: audit log provides more useful information [GH-360]
* core: graceful shutdown for faster HA failover
* core: **change policy format** to use explicit globbing [GH-400] Any
existing policy in Vault is automatically upgraded to avoid issues. All
policy files must be updated for future writes. Adding the explicit glob
character `*` to the path specification is all that is required.
* core: policy merging to give deny highest precedence [GH-400]
* credential/app-id: Protect against timing attack on app-id
* credential/cert: Record the common name in the metadata [GH-342]
* credential/ldap: Allow TLS verification to be disabled [GH-372]
* credential/ldap: More flexible names allowed [GH-245] [GH-379] [GH-367]
* credential/userpass: Protect against timing attack on password
* credential/userpass: Use bcrypt for password matching
* http: response codes improved to reflect error [GH-366]
* http: the `sys/health` endpoint supports `?standbyok` to return 200 on
standby [GH-389]
* secret/app-id: Support deleting AppID and UserIDs [GH-200]
* secret/consul: Fine grained lease control [GH-261]
* secret/transit: Decouple raw key from key management endpoint [GH-355]
* secret/transit: Upsert named key when encrypt is used [GH-355]
* storage/zk: Support for HA configuration [GH-252]
* storage/zk: Changing node representation. **Backwards incompatible**.
[GH-416]
BUG FIXES:
* audit/file: file removing TLS connection state
* audit/syslog: fix removing TLS connection state
* command/*: commands accepting `k=v` allow blank values
* core: Allow building on FreeBSD [GH-365]
* core: Fixed various panics when audit logging enabled
* core: Lease renewal does not create redundant lease
* core: fixed leases with negative duration [GH-354]
* core: token renewal does not create child token
* core: fixing panic when lease increment is null [GH-408]
* credential/app-id: Salt the paths in storage backend to avoid information
leak
* credential/cert: Fixing client certificate not being requested
* credential/cert: Fixing panic when no certificate match found [GH-361]
* http: Accept PUT as POST for sys/auth
* http: Accept PUT as POST for sys/mounts [GH-349]
* http: Return 503 when sealed [GH-225]
* secret/postgres: Username length is capped to exceeding limit
* server: Do not panic if backend not configured [GH-222]
* server: Explicitly check value of tls_diable [GH-201]
* storage/zk: Fixed issues with version conflicts [GH-190]
MISC:
* cli/path-help: renamed from `help` to avoid confusion
## 0.1.2 (May 11, 2015)
FEATURES:
* **New physical backend: `zookeeper`**: store physical data in Zookeeper.
HA not supported yet.
* **New credential backend: `ldap`**: authenticate using LDAP credentials.
IMPROVEMENTS:
* core: Auth backends can store internal data about auth creds
* audit: display name for auth is shown in logs [GH-176]
* command/*: `-insecure` has been renamed to `-tls-skip-verify` [GH-130]
* command/*: `VAULT_TOKEN` overrides local stored auth [GH-162]
* command/server: environment variables are copy-pastable
* credential/app-id: hash of app and user ID are in metadata [GH-176]
* http: HTTP API accepts `X-Vault-Token` as auth header [GH-124]
* logical/*: Generate help output even if no synopsis specified
BUG FIXES:
* core: login endpoints should never return secrets
* core: Internal data should never be returned from core endpoints
* core: defer barrier initialization to as late as possible to avoid error
cases during init that corrupt data (no data loss)
* core: guard against invalid init config earlier
* audit/file: create file if it doesn't exist [GH-148]
* command/*: ignore directories when traversing CA paths [GH-181]
* credential/*: all policy mapping keys are case insensitive [GH-163]
* physical/consul: Fixing path for locking so HA works in every case
## 0.1.1 (May 2, 2015)
SECURITY CHANGES:
* physical/file: create the storge with 0600 permissions [GH-102]
* token/disk: write the token to disk with 0600 perms
IMPROVEMENTS:
* core: Very verbose error if mlock fails [GH-59]
* command/*: On error with TLS oversized record, show more human-friendly
error message. [GH-123]
* command/read: `lease_renewable` is now outputted along with the secret to
show whether it is renewable or not
* command/server: Add configuration option to disable mlock
* command/server: Disable mlock for dev mode so it works on more systems
BUG FIXES:
* core: if token helper isn't absolute, prepend with path to Vault
executable, not "vault" (which requires PATH) [GH-60]
* core: Any "mapping" routes allow hyphens in keys [GH-119]
* core: Validate `advertise_addr` is a valid URL with scheme [GH-106]
* command/auth: Using an invalid token won't crash [GH-75]
* credential/app-id: app and user IDs can have hyphens in keys [GH-119]
* helper/password: import proper DLL for Windows to ask password [GH-83]
## 0.1.0 (April 28, 2015)
* Initial release
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