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lifecycle: implement support for IF_ env vars based on triples

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Ariadne Conill 2020-07-23 11:56:20 -06:00
parent a19a8e2ccc
commit 1824d05bd5
1 changed files with 44 additions and 0 deletions
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44
libifupdown/lifecycle.c
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@ -13,6 +13,7 @@
* from the use of this software.
*/
#include <ctype.h>
#include <string.h>
#include "libifupdown/environment.h"
@ -183,6 +184,49 @@ lif_lifecycle_run_phase(const struct lif_execute_opts *opts, struct lif_interfac
else
lif_environment_push(&envp, "MODE", "stop");
struct lif_node *iter;
bool did_address = false, did_gateway = false;
LIF_DICT_FOREACH(iter, &iface->vars)
{
struct lif_dict_entry *entry = iter->data;
if (!strcmp(entry->key, "address"))
{
if (did_address)
continue;
struct lif_address *addr = entry->data;
char addrbuf[4096];
if (!lif_address_unparse(addr, addrbuf, sizeof addrbuf, true))
continue;
lif_environment_push(&envp, "IF_ADDRESS", addrbuf);
did_address = true;
continue;
}
else if (!strcmp(entry->key, "gateway"))
{
if (did_gateway)
continue;
did_gateway = true;
}
char envkey[4096] = "IF_";
strlcat(envkey, entry->key, sizeof envkey);
char *ep = envkey + 2;
while (*ep++)
{
*ep = toupper(*ep);
}
lif_environment_push(&envp, envkey, (const char *) entry->data);
}
if (!strcmp(phase, "pre-up"))
{
if (!handle_pre_up(opts, iface, lifname))