mirror of
https://github.com/Velocidex/velociraptor.git
synced 2026-10-12 02:09:59 +00:00
Mike Cohen
30114b1879
It is possible that logging fails and this caused errors on startup, causing the service manager to disable the service.
29 lines
513 B
Go
29 lines
513 B
Go
package utils
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import (
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"os"
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"regexp"
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)
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var (
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expand_regex = regexp.MustCompile("%([a-zA-Z_0-9]+)%")
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)
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func ExpandEnv(v string) string {
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// Support windows style % % expansions by converting %VAR%
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// pattern to ${VAR}
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v = expand_regex.ReplaceAllString(v, "$${$1}")
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// Custom getenv function to allow bare $ to be used anywhere.
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return os.Expand(v, getenv)
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}
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func getenv(v string) string {
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// Allow $ to be escaped (#850) by doubling up $
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switch v {
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case "$":
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return "$"
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}
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return os.Getenv(v)
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}
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