diff options
Diffstat (limited to 'hst/config.go')
| -rw-r--r-- | hst/config.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/hst/config.go b/hst/config.go index 1b07755c..8a966059 100644 --- a/hst/config.go +++ b/hst/config.go @@ -3,6 +3,7 @@ package hst import ( "errors" "strconv" + "strings" "hakurei.app/container/check" ) @@ -45,6 +46,9 @@ var ( // ErrIdentityBounds is returned by [Config.Validate] for an out of bounds [Config.Identity] value. ErrIdentityBounds = errors.New("identity out of bounds") + + // ErrEnviron is returned by [Config.Validate] if an environment variable name contains '=' or NUL. + ErrEnviron = errors.New("invalid environment variable name") ) // Validate checks [Config] and returns [AppError] if an invalid value is encountered. @@ -83,6 +87,14 @@ func (config *Config) Validate() error { return &AppError{Step: "validate configuration", Err: ErrConfigNull, Msg: "container configuration missing path to initial program"} } + + for key := range config.Container.Env { + if strings.IndexByte(key, '=') != -1 || strings.IndexByte(key, 0) != -1 { + return &AppError{Step: "validate configuration", Err: ErrEnviron, + Msg: "invalid environment variable " + strconv.Quote(key)} + } + } + return nil } |