From c26ac4f834374d4590cf93275d74c644319bec79 Mon Sep 17 00:00:00 2001
From: Mohit Mehta <mohit@vyatta.com>
Date: Fri, 10 Sep 2010 16:45:55 -0700
Subject: Fix Bug 5309 Allow modifyining TCP MSS option * add the ability to
 modify TCP MSS value using modify|ipv6-modify rulesets

---
 .../node.tag/rule/node.tag/modify/tcp-mss/node.def  | 21 +++++++++++++++++++++
 .../node.tag/rule/node.tag/modify/tcp-mss/node.def  | 21 +++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 templates/firewall/ipv6-modify/node.tag/rule/node.tag/modify/tcp-mss/node.def
 create mode 100644 templates/firewall/modify/node.tag/rule/node.tag/modify/tcp-mss/node.def

(limited to 'templates')

diff --git a/templates/firewall/ipv6-modify/node.tag/rule/node.tag/modify/tcp-mss/node.def b/templates/firewall/ipv6-modify/node.tag/rule/node.tag/modify/tcp-mss/node.def
new file mode 100644
index 0000000..8d2248e
--- /dev/null
+++ b/templates/firewall/ipv6-modify/node.tag/rule/node.tag/modify/tcp-mss/node.def
@@ -0,0 +1,21 @@
+type: txt
+help: TCP Maximum Segment Size
+
+syntax:expression:
+exec "
+if [[ $VAR(@) =~ ^[[:alpha:]]*$ ]]; then                        \
+        if [ $VAR(@) == \"pmtu\" ]; then                        \
+                exit 0;                                         \
+        fi;                                                     \
+else                                                            \
+        if [[   ( $VAR(@) =~ ^[[:digit:]]*$ ) &&                \
+                ( $VAR(@) -ge \"500\" ) &&                      \
+                ( $VAR(@) -le \"1460\" ) ]]; then               \
+                exit 0;                                         \
+        fi;                                                     \
+fi;                                                             \
+echo Value must be \\'pmtu\\' or a number between 500 and 1460; \
+exit 1"
+
+val_help: pmtu; Automatically set to Path Maximum Transfer Unit minus 60 bytes
+val_help: 500-1460; Explicitly set TCP MSS value
diff --git a/templates/firewall/modify/node.tag/rule/node.tag/modify/tcp-mss/node.def b/templates/firewall/modify/node.tag/rule/node.tag/modify/tcp-mss/node.def
new file mode 100644
index 0000000..7a61966
--- /dev/null
+++ b/templates/firewall/modify/node.tag/rule/node.tag/modify/tcp-mss/node.def
@@ -0,0 +1,21 @@
+type: txt
+help: TCP Maximum Segment Size
+
+syntax:expression:
+exec "
+if [[ $VAR(@) =~ ^[[:alpha:]]*$ ]]; then                        \
+        if [ $VAR(@) == \"pmtu\" ]; then                        \
+                exit 0;                                         \
+        fi;                                                     \
+else                                                            \
+        if [[   ( $VAR(@) =~ ^[[:digit:]]*$ ) &&                \
+                ( $VAR(@) -ge \"500\" ) &&                      \
+                ( $VAR(@) -le \"1460\" ) ]]; then               \
+                exit 0;                                         \
+        fi;                                                     \
+fi;                                                             \
+echo Value must be \\'pmtu\\' or a number between 500 and 1460; \
+exit 1"
+
+val_help: pmtu; Automatically set to Path Maximum Transfer Unit minus 40 bytes
+val_help: 500-1460; Explicitly set TCP MSS value
-- 
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