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dhcp4: Fix handling of the boot filename.

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This commit is contained in:
David Anderson 2016-08-08 20:45:57 -07:00
parent 551e4aee91
commit d0f6cb0348
1 changed files with 3 additions and 3 deletions
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6
dhcp4/packet.go
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@ -148,7 +148,7 @@ func (p *Packet) Marshal() ([]byte, error) {
optsInFile, optsInSname := false, false
v, err := p.Options.Byte(OptOverload)
if err == nil {
optsInFile, optsInFile = v&1 != 0, v&2 != 0
optsInFile, optsInSname = v&1 != 0, v&2 != 0
}
if optsInFile && p.BootFilename != "" {
return nil, errors.New("DHCP option 52 says to use the 'file' field for options, but BootFilename is not empty")
@ -217,8 +217,8 @@ func (p *Packet) Marshal() ([]byte, error) {
return nil, err
}
} else {
ret.WriteString(p.BootServerName)
for i := len(p.BootServerName); i < 128; i++ {
ret.WriteString(p.BootFilename)
for i := len(p.BootFilename); i < 128; i++ {
ret.WriteByte(0)
}
}