Re: [PATCH 3/3] Do a better job of validating IP and MAC addresses in network.rng

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On 11/11/2010 03:41 PM, Laine Stump wrote:
IP addresses and MAC addresses had been defined in the RNG simply as
<text/>  meaning that, according to the RNG, any string could go in
there. Of course the C parsing code does a much better job of
validating, but we may as well have this describing the contents
accurately (even though it's currently only used during "make check").
---
  docs/schemas/network.rng |   27 ++++++++++++++++++++-------
  1 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/docs/schemas/network.rng b/docs/schemas/network.rng
index ca100b7..aa98997 100644
--- a/docs/schemas/network.rng
+++ b/docs/schemas/network.rng
@@ -83,14 +83,12 @@
          <optional>
            <!-- The IP element sets up NAT'ing and an optional DHCP server
                 local to the host. -->
-<!-- FIXME: address, netmask and the start and end of the ranges
-               are IP addresses, and should be validated as such in the scheme -->
            <element name="ip">
              <optional>
-<attribute name="address"><text/></attribute>
+<attribute name="address"><ref name="ipv4-addr"/></attribute>
              </optional>
              <optional>
-<attribute name="netmask"><text/></attribute>
+<attribute name="netmask"><ref name="ipv4-addr"/></attribute>
              </optional>
              <optional>
                <element name="tftp">
@@ -102,13 +100,13 @@
              <element name="dhcp">
                <zeroOrMore>
                  <element name="range">
-<attribute name="start"><text/></attribute>
-<attribute name="end"><text/></attribute>
+<attribute name="start"><ref name="ipv4-addr"/></attribute>
+<attribute name="end"><ref name="ipv4-addr"/></attribute>
                  </element>
                </zeroOrMore>
                <zeroOrMore>
                  <element name="host">
-<attribute name="mac"><text/></attribute>
+<attribute name="mac"><ref name="mac-addr"/></attribute>
                    <attribute name="name"><text/></attribute>
                    <attribute name="ip"><text/></attribute>
                  </element>
@@ -127,4 +125,19 @@
        </interleave>
      </element>
    </define>
+
+<!-- An ipv4 "dotted quad" address -->
+<define name='ipv4-addr'>
+<data type='string'>
+<param name="pattern">(((25[0-5])|(1[0-9]{2})|(2[0-4][0-9])|([0-9]{1,2}))\.){3}((25[0-5])|(1[0-9]{2})|(2[0-4][0-9])|([0-9]{1,2}))</param>
+</data>
+</define>
+
+<!-- a 6 byte MAC address in ASCII-hex format, eg "12:34:56:78:9A:BC" -->
+<define name='mac-addr'>
+<data type='string'>
+<param name="pattern">([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}</param>
+</data>
+</define>
+
  </grammar>

ACK.

[would have put  (2[0-4][0-9]) before (1[0-9]{2})]

   Stefan

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