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Added validation user actually exists on system

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This commit is contained in:
Russ Magee 2018-10-03 22:31:35 -07:00
parent 420e0319ca
commit cb7a79063e
1 changed files with 15 additions and 0 deletions
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15
hkexauth.go
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@ -22,6 +22,15 @@ import (
"github.com/jameskeane/bcrypt" "github.com/jameskeane/bcrypt"
) )
func userExistsOnSystem(who string) bool {
_, userErr := user.Lookup(who)
if userErr != nil {
return false
} else {
return true
}
}
func AuthUserByPasswd(username string, auth string, fname string) (valid bool, allowedCmds string) { func AuthUserByPasswd(username string, auth string, fname string) (valid bool, allowedCmds string) {
b, e := ioutil.ReadFile(fname) b, e := ioutil.ReadFile(fname)
if e != nil { if e != nil {
@ -66,6 +75,9 @@ func AuthUserByPasswd(username string, auth string, fname string) (valid bool, a
r = nil r = nil
runtime.GC() runtime.GC()
if !userExistsOnSystem(username) {
valid = false
}
return return
} }
@ -102,5 +114,8 @@ func AuthUserByToken(username string, connhostname string, auth string) (valid b
return true return true
} }
} }
if !userExistsOnSystem(username) {
valid = false
}
return return
} }