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- flag = {
- name = tcpedit;
- documentation;
- descrip = "tcpedit - library to edit packets";
- lib-name = tcpedit;
- };
- #ifndef TCPEDIT_MAC_DISABLE
- flag = {
- name = dmac;
- value = D;
- arg-type = string;
- max = 1;
- descrip = "Rewrite destination MAC addresses";
- doc = <<- EOText
- Takes a pair of comma deliminated ethernet MAC addresses which
- will replace the destination MAC address of outbound packets.
- The first MAC address will be used for the server traffic
- and the optional second MAC address will be used for the client
- traffic.
- Example:
- @example
- --dmac 00:12:13:14:15:16,00:22:33:44:55:66
- @end example
- EOText;
- };
- flag = {
- name = smac;
- value = S;
- arg-type = string;
- max = 1;
- descrip = "Rewrite source MAC addresses";
- doc = <<- EOText
- Takes a pair of comma deliminated ethernet MAC addresses which
- will replace the source MAC address of outbound packets.
- The first MAC address will be used for the server traffic
- and the optional second MAC address will be used for the client traffic.
- Example:
- @example
- --smac 00:12:13:14:15:16,00:22:33:44:55:66
- @end example
- EOText;
- };
- #endif
- #ifndef TCPEDIT_PROTO_DISABLE
- flag = {
- name = proto;
- value = P;
- arg-type = number;
- max = 1;
- descrip = "Override L2 protocol type for DLT_RAW";
- arg-range = "0->65535";
- doc = <<- EOText
- By default, pcap files encapsulated using DLT_RAW will have their protocol
- set to ETHERTYPE_IP (0x0800).
- EOText;
- };
- #endif
- #ifndef TCPEDIT_DLINK_DISABLE
- flag = {
- name = dlink;
- value = l;
- arg-type = string;
- max = 2;
- stack-arg;
- descrip = "Rewrite Data-Link layer with specified data";
- doc = <<- EOText
- Provide a series of comma deliminated hex values which will be
- used to rewrite or create the Layer 2 header of the packets.
- The first instance of this argument will rewrite both server
- and client traffic, but if this argument is specified a second
- time, it will be used for the client traffic.
- Example:
- @example
- --dlink=01,02,03,04,05,06,00,1A,2B,3C,4D,5E,6F,08,00
- @end example
- EOText;
- };
- #endif
- #ifndef TCPEDIT_PORTMAP_DISABLE
- flag = {
- name = portmap;
- value = r;
- arg-type = string;
- max = 1;
- descrip = "Rewrite TCP/UDP ports";
- doc = <<- EOText
- Specify a list of comma delimited port mappingings consisting of
- colon delimited port number pairs. Each colon delimited port pair
- consists of the port to match followed by the port number to rewrite.
- Example:
- @example
- --portmap=80:8000,8080:80
- @end example
- EOText;
- };
- #endif
- #ifndef TCPEDIT_SEED_DISABLE
- flag = {
- name = seed;
- value = s;
- arg-type = number;
- descrip = "Randomize src/dst IP addresses w/ given seed";
- max = 1;
- doc = <<- EOText
- Causes the source and destination IP addresses to be pseudo
- randomized but still maintain client/server relationships.
- Since the randomization is deterministic based on the seed,
- you can reuse the same seed value to recreate the traffic.
- EOText;
- };
- #endif
- #ifndef TCPEDIT_PNAT_DISABLE
- flag = {
- name = pnat;
- value = N;
- arg-type = string;
- max = 2;
- stack-arg;
- descrip = "Rewrite IP addresses using pseudo-NAT";
- doc = <<- EOText
- Takes a comma delimited series of colon delimited CIDR
- netblock pairs. Each netblock pair is evaluated in order against
- the IP addresses. If the IP address in the packet matches the
- first netblock, it is rewriten using the second netblock as a
- mask against the high order bits.
- Example:
- @example
- --pnat=192.168.0.0/16:10.77.0.0/16,172.16.0.0/12:10.1.0.0/24
- @end example
- EOText;
- };
- #endif
- #ifndef TCPEDIT_ENDPOINTS_DISABLE
- flag = {
- name = endpoints;
- value = e;
- arg-type = string;
- max = 1;
- descrip = "Rewrite IP addresses to be between two endpoints";
- doc = <<- EOText
- Takes a pair of colon delimited IP addresses which will be used to rewrite
- all traffic to appear to be between the two IP's.
- Example:
- @example
- --endpoints=172.16.0.1:172.16.0.2
- @end example
- EOText;
- };
- #endif
- #ifndef TCPEDIT_FIXCSUM_DISABLE
- flag = {
- name = fixcsum;
- value = C;
- descrip = "Force recalculation of IP/TCP/UDP checksums";
- doc = <<- EOText
- Causes each IP packet to have it's checksums recalcualted and
- fixed. Automatically enabled for packets modified with @samp{--seed},
- @samp{--pnat}, @samp{--endpoints} or @samp{--fixlen}.
- EOText;
- };
- #endif
- #ifndef TCPEDIT_MTU_DISABLE
- flag = {
- name = mtu;
- value = m;
- arg-type = number;
- max = 1;
- arg-range = "1->MAXPACKET";
- default = DEFAULT_MTU;
- descrip = "Override default MTU length (1500 bytes)";
- doc = <<- EOText
- Override the default 1500 byte MTU size for determining the maximum padding length.
- EOText;
- };
- #endif
- #ifndef TCPEDIT_EFCS_DISABLE
- flag = {
- name = efcs;
- value = E;
- descrip = "Remove Ethernet checksums (FCS) from end of frames";
- doc = <<- EOText
- EOText;
- };
- #endif
- #ifndef TCPEDIT_FIXLEN_DISABLE
- flag = {
- name = fixlen;
- value = F;
- descrip = "Pad or truncate packet data to match header length";
- max = 1;
- arg-type = string;
- doc = <<- EOText
- Packets may be truncated during capture if the snaplen is smaller then the
- packet. This option allows you to modify the packet to pad the packet back
- out to the size stored in the IPv4 header or rewrite the IP header total length
- to reflect the stored packet length.
- @table @bullet
- @item
- @var{pad}
- Truncated packets will be padded out so that the packet length matches the
- IPv4 total length
- @item
- @var{trunc}
- Truncated packets will have their IPv4 total length field rewritten to match
- the actual packet length
- @item
- @var{del}
- Delete the packet
- EOText;
- };
- #endif
- #ifndef TCPEDIT_VLAN_DISABLE
- /* rewrite 802.1q vlan tags */
- flag = {
- name = vlan;
- value = T;
- max = 1;
- descrip = "Specify 802.1q VLAN tag mode";
- arg-type = string;
- doc = <<- EOText
- Allows you to rewrite ethernet frames to add a 802.1q header to standard 802.3
- ethernet headers or remove the 802.1q VLAN tag information.
- @table @bullet
- @item
- @var{add}
- Rewrites the existing 802.3 ethernet header as an 802.1q VLAN header
- @item
- @var{del}
- Rewrites the existing 802.1q VLAN header as an 802.3 ethernet header
- EOText;
- };
- flag = {
- name = vlan_tag;
- value = t;
- max = 1;
- descrip = "Specify the new 802.1q VLAN tag value";
- arg-type = number;
- flags-must = vlan;
- arg-range = "0->4095"; /* VID's are 12bit unsigned int's */
- doc = "";
- };
- flag = {
- name = vlan_cfi;
- value = f;
- max = 1;
- descrip = "Specify the 802.1q VLAN CFI value";
- arg-type = number;
- flags-must = vlan;
- arg-range = "0->1"; /* one bit */
- doc = "";
- };
- flag = {
- name = vlan_pri;
- value = p;
- max = 1;
- descrip = "Specify the 802.1q VLAN priority";
- flags-must = vlan;
- arg-type = number;
- arg-range = "0->7"; /* one byte */
- doc = "";
- };
- #endif
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