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/*
* Copyright (c) 2017, 2018, 2019 Reyk Floeter <reyk@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/queue.h>
#include <sys/stat.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <err.h>
#include "main.h"
#include "http.h"
#include "xml.h"
static int cloudinit_fetch(struct system_config *);
int
ec2(struct system_config *sc)
{
if (sc->sc_state == STATE_INIT) {
free(sc->sc_username);
if ((sc->sc_username = strdup("ec2-user")) == NULL) {
log_warnx("failed to set default user");
return (-1);
}
sc->sc_state = STATE_169;
return (-1);
}
return cloudinit_fetch(sc);
}
int
cloudinit(struct system_config *sc)
{
if (sc->sc_state == STATE_INIT) {
sc->sc_state = STATE_DHCP;
return (-1);
}
return cloudinit_fetch(sc);
}
static int
cloudinit_fetch(struct system_config *sc)
{
int ret = -1;
char *str = NULL;
sc->sc_addr.ip = sc->sc_endpoint;
sc->sc_addr.family = 4;
/* instance-id */
if ((sc->sc_instance = metadata(sc,
"/latest/meta-data/instance-id", WORD)) == NULL)
goto fail;
/* hostname */
if ((sc->sc_hostname = metadata(sc,
"/latest/meta-data/local-hostname", WORD)) == NULL)
goto fail;
/* optional pubkey */
if ((str = metadata(sc,
"/latest/meta-data/public-keys/0/openssh-key", LINE)) == NULL &&
(str = metadata(sc,
"/latest/meta-data/public-keys", LINE)) == NULL)
log_warnx("failed to get public key");
else if (agent_addpubkey(sc, str, NULL) != 0)
goto fail;
/* optional username - this is an extension by meta-data(8) */
if ((str = metadata(sc, "/latest/meta-data/username", WORD)) != NULL) {
free(sc->sc_username);
sc->sc_username = str;
str = NULL;
}
/* userdata (optional) */
sc->sc_userdata = metadata(sc, "/latest/user-data", TEXT);
ret = 0;
fail:
free(str);
return (ret);
}