r00t2/go_subnetter
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v0.2.1

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FIXED:
* host splitter wasn't working quite correctly; this has been fixed.
This commit is contained in:
brent saner
2025-04-06 18:26:18 -04:00
parent fd344f3b8e
commit 3c1bc832c0
7 changed files with 221 additions and 90 deletions
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18
cmd/subnetter/args.go
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@@ -2,8 +2,8 @@ package main
type Args struct {
Version verArgs `command:"version" alias:"v" description:"Show version information." validate:"omitempty"`
SplitCIDR SplitCIDRArgs `command:"split-cidr" alias:"se" description:"Split a network into as many equal subnets of prefix size N as possible." validate:"omitempty"`
SplitHost SplitHostArgs `command:"split-hosts" alias:"sh" description:"Split a network into N total number of hosts *per subnet* as cleanly/evenly as possible. (VERY easy to run out of memory for IPv6 prefixes; be sure to specify very small network!)" validate:"omitempty"`
SplitCIDR SplitCIDRArgs `command:"split-cidr" alias:"sc" description:"Split a network into as many equal subnets of prefix size N as possible." validate:"omitempty"`
SplitHost SplitHostArgs `command:"split-hosts" alias:"sh" description:"Split a network into N total number of hosts *per subnet* as cleanly/evenly as possible." validate:"omitempty"`
SplitSubnets SplitSubnetArgs `command:"split-nets" alias:"sn" description:"Split a network into N number of subnets as cleanly as possible." validate:"omitempty"`
VLSM VLSMArgs `command:"split-vlsm" alias:"sv" alias:"vlsm" description:"Use VLSM (Variable-Length Subnet Masks) to split a network into differently sized subnets." validate:"omitempty"`
ExplicitNetwork XNetArgs `command:"net" alias:"xn" alias:"net" description:"Print information about an explicit network address." validate:"omitempty"`
@@ -36,8 +36,8 @@ type common struct {
type reservedArgs struct {
NoRecursive bool `short:"u" long:"no-recursive" description:"Don't show reservations that are children subnets of the subnet(s). Only if -f/--format=pretty, always false for other formats."`
NoRevRecursive bool `short:"U" long:"no-rev-recursive" description:"Don't show reservations that are parents of the subnet(s). Only if -f/--format=pretty, always false for other formats."`
NoPrivate bool `short:"e" long:"no-private" description:"Consider private subnets of the subnet(s) to be reserved. If you are subnetting private address space, you probably want to leave this disabled. Only if -f/--format=pretty, always true otherwise."`
NoRevRecursive bool `short:"U" long:"no-rev-recursive" description:"Don't show reservations that are parents of the subnet(s) -- you almost definitely don't want to suppress this. Only if -f/--format=pretty, always false for other formats."`
NoPrivate bool `short:"e" long:"no-private" description:"Consider private subnets to be reserved. If you are subnetting private address space, you probably want to leave this disabled. Only if -f/--format=pretty, always true otherwise."`
}
type splitArgs struct {
@@ -53,8 +53,8 @@ type NNetArgs struct {
Verbose bool `short:"v" long:"verbose" description:"Be verbose (more ideal for logging)."`
NoV6Check bool `short:"6" long:"no-v6" description:"If specified, do not indicate if the subnetting is IPv6 only (true) or not (false; dual-stack/IPv4 supported)."`
Sizes struct {
SubnetSize uint8 `required:"1" validate:"required,le=128,gtefield=NetworkSize"`
NetworkSize uint8 `required:"1" validate:"required,le=128,ltefield=SubnetSize"`
SubnetSize uint8 `positional-arg-name:"<subnet prefix>" required:"1" validate:"lte=128,gtefield=NetworkSize"`
NetworkSize uint8 `positional-arg-name:"<parent prefix>" required:"1" validate:"lte=128,ltefield=SubnetSize"`
} `positional-args:"yes" required:"2" validate:"required"`
}
@@ -69,8 +69,10 @@ type SplitCIDRArgs struct {
}
type SplitHostArgs struct {
Strict bool `short:"t" long:"strict" description:"If specified, an error will occur if the number of hosts/assignable addresses in a subnet is not exactly -n/--num-hosts."`
Hosts uint `short:"n" long:"num-hosts" required:"true" description:"Number of hosts (usable addresses) per subnet." validate:"required"`
InclNetAddr bool `short:"N" long:"incl-net" description:"If specified, -n/--num-hosts is interpreted to include the network address in the count."`
InclBcastAddr bool `short:"B" long:"incl-bcast" description:"If specified, -n/--num-hosts is interpreted to include the broadcast/reserved broadcast address in the count."`
Strict bool `short:"t" long:"strict" description:"If specified, an error will occur if the number of hosts/assignable addresses in a subnet is not exactly -n/--num-hosts."`
Hosts uint `short:"n" long:"num-hosts" required:"true" description:"Number of hosts (usable addresses) per subnet." validate:"required"`
splitArgs
}