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path: root/src/conf-mode/vyos-config-host-name.py
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-rw-r--r--src/conf-mode/vyos-config-host-name.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/conf-mode/vyos-config-host-name.py b/src/conf-mode/vyos-config-host-name.py
index a0e70b8ea..da053d9f6 100644
--- a/src/conf-mode/vyos-config-host-name.py
+++ b/src/conf-mode/vyos-config-host-name.py
@@ -25,6 +25,7 @@ from vyos.util import ConfigError
hostname_config = "/etc/hostname"
mailname_config = "/etc/mailname"
+hostname_regex = re.compile("^[A-Za-z0-9][-.A-Za-z0-9]*[A-Za-z0-9]$")
def get_config():
conf = Config()
@@ -42,7 +43,9 @@ def verify(config):
# check for invalid host
# pattern $VAR(@) "^[[:alnum:]][-.[:alnum:]]*[[:alnum:]]$" ; "invalid host name $VAR(@)"
- # TODO
+ valid = hostname_regex.match(config.hostname)
+ if (!valid):
+ raise ConfigError('invalid host name' + config.hostname)
# pattern $VAR(@) "^.{1,63}$" ; "invalid host-name length"
length = len(config.hostname)