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