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interface: learn hostname from uname(2) only if an interface requests the dhcp executor

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Closes #74.
This commit is contained in:
Ariadne Conill 2020-11-04 11:46:06 -07:00
parent 20d9e3fe91
commit 632af7b716
1 changed files with 10 additions and 10 deletions
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20
libifupdown/interface.c
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@ -122,16 +122,6 @@ lif_interface_init(struct lif_interface *interface, const char *ifname)
/* keep the 'vlan' executor as a config hint for backwards compatibility */
if (strchr(ifname, '.') != NULL)
lif_interface_use_executor(interface, "vlan");
if (!lif_config.use_hostname_for_dhcp)
return;
/* learn a reasonable default hostname */
struct utsname un;
if (uname(&un) < 0)
return;
lif_dict_add(&interface->vars, "hostname", strdup(un.nodename));
}
bool
@ -211,6 +201,16 @@ lif_interface_use_executor(struct lif_interface *interface, const char *executor
interface->is_bridge = true;
else if (!strcmp(executor, "bond"))
interface->is_bond = true;
if (strcmp(executor, "dhcp") || !lif_config.use_hostname_for_dhcp)
return;
/* learn a reasonable default hostname */
struct utsname un;
if (uname(&un) < 0)
return;
lif_dict_add(&interface->vars, "hostname", strdup(un.nodename));
}
void