/
ebox-cmd.c
1957 lines (1760 loc) · 43.2 KB
/
ebox-cmd.c
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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright (c) 2019, Joyent Inc
* Author: Alex Wilson <alex.wilson@joyent.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include <stdint.h>
#include <stddef.h>
#include <errno.h>
#include <strings.h>
#include <limits.h>
#include <err.h>
#include <dirent.h>
#include "debug.h"
#if defined(__APPLE__)
#include <PCSC/wintypes.h>
#include <PCSC/winscard.h>
#else
#include <wintypes.h>
#include <winscard.h>
#endif
#include <sys/types.h>
#include <sys/errno.h>
#include "debug.h"
#if defined(__sun)
#include <sys/fork.h>
#endif
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include "openssh/config.h"
#include "openssh/sshkey.h"
#include "openssh/sshbuf.h"
#include "openssh/digest.h"
#include "openssh/ssherr.h"
#include "openssh/authfd.h"
#include "sss/hazmat.h"
#include <openssl/err.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include "tlv.h"
#include "errf.h"
#include "ebox.h"
#include "piv.h"
#include "bunyan.h"
#include "ebox-cmd.h"
#include "words.h"
#if !defined(EBOX_USER_TPL_PATH)
#define EBOX_USER_TPL_PATH "$HOME/.pivy/tpl/$TPL"
#endif
#if !defined(EBOX_SYSTEM_TPL_PATH)
#define EBOX_SYSTEM_TPL_PATH "/etc/pivy/tpl/$TPL"
#endif
int ebox_authfd = -1;
struct piv_ctx *ebox_ctx = NULL;
char *ebox_pin;
uint ebox_min_retries = 1;
boolean_t ebox_batch = B_FALSE;
struct piv_token *ebox_enum_tokens = NULL;
#if defined(__sun)
static GetLine *sungl = NULL;
static FILE *devterm = NULL;
char *
readline(const char *prompt)
{
char *line;
size_t len;
if (sungl == NULL)
qa_term_setup();
line = gl_get_line(sungl, prompt, NULL, -1);
if (line != NULL) {
line = strdup(line);
len = strlen(line);
while (line[len - 1] == '\n' || line[len - 1] == '\r')
line[--len] = '\0';
}
return (line);
}
#endif
void
qa_term_setup(void)
{
#if defined(RL_READLINE_VERSION)
rl_instream = fopen("/dev/tty", "w+");
rl_outstream = rl_instream;
#endif
#if defined(__sun)
sungl = new_GetLine(1024, 2048);
devterm = fopen("/dev/tty", "w+");
gl_change_terminal(sungl, devterm, devterm, getenv("TERM"));
#endif
}
void
printwrap(FILE *stream, const char *data, size_t col)
{
size_t offset = 0;
size_t len = strlen(data);
char *buf = malloc(col + 1);
while (offset < len) {
size_t rem = len - offset;
if (rem > col)
rem = col;
bcopy(&data[offset], buf, rem);
buf[rem] = 0;
fprintf(stream, "%s\n", buf);
offset += rem;
}
free(buf);
}
char *
piv_token_shortid(struct piv_token *pk)
{
char *guid;
guid = strdup(piv_token_guid_hex(pk));
guid[8] = '\0';
return (guid);
}
const char *
pin_type_to_name(enum piv_pin type)
{
switch (type) {
case PIV_PIN:
return ("PIV PIN");
case PIV_GLOBAL_PIN:
return ("Global PIN");
case PIV_PUK:
return ("PUK");
default:
VERIFY(0);
return (NULL);
}
}
void
assert_pin(struct piv_token *pk, struct piv_slot *slot, const char *partname,
boolean_t prompt)
{
errf_t *er;
uint retries;
enum piv_pin auth = piv_token_default_auth(pk);
boolean_t touch = B_FALSE;
const char *fmt = "Enter %s for token %s (%s): ";
if (partname == NULL)
fmt = "Enter %s for token %s: ";
if (slot != NULL) {
enum piv_slot_auth rauth = piv_slot_get_auth(pk, slot);
if (rauth & PIV_SLOT_AUTH_PIN)
prompt = B_TRUE;
if (rauth & PIV_SLOT_AUTH_TOUCH)
touch = B_TRUE;
}
again:
if (ebox_pin == NULL && !prompt)
return;
if (ebox_pin == NULL && prompt) {
char prompt[64];
char pinbuf[16];
char *guid = piv_token_shortid(pk);
snprintf(prompt, 64, fmt,
pin_type_to_name(auth), guid, partname);
do {
ebox_pin = readpassphrase(prompt, pinbuf,
sizeof (pinbuf), RPP_ECHO_OFF);
} while (ebox_pin == NULL && errno == EINTR);
if ((ebox_pin == NULL && errno == ENOTTY) ||
strlen(ebox_pin) < 1) {
piv_txn_end(pk);
errx(EXIT_PIN, "a PIN is required to unlock "
"token %s", guid);
} else if (ebox_pin == NULL) {
piv_txn_end(pk);
err(EXIT_PIN, "failed to read PIN");
} else if (strlen(ebox_pin) < 4 || strlen(ebox_pin) > 8) {
const char *charType = "digits";
if (piv_token_is_ykpiv(pk))
charType = "characters";
warnx("a valid PIN must be 4-8 %s in length",
charType);
free(ebox_pin);
free(guid);
ebox_pin = NULL;
goto again;
}
ebox_pin = strdup(ebox_pin);
free(guid);
}
retries = ebox_min_retries;
er = piv_verify_pin(pk, auth, ebox_pin, &retries, B_FALSE);
if (errf_caused_by(er, "PermissionError")) {
if (retries == 0) {
piv_txn_end(pk);
errx(EXIT_PIN_LOCKED, "token is locked due to too "
"many invalid PIN attempts");
}
warnx("invalid PIN (%d attempts remaining)", retries);
free(ebox_pin);
ebox_pin = NULL;
errf_free(er);
goto again;
} else if (errf_caused_by(er, "MinRetriesError")) {
piv_txn_end(pk);
if (retries == 0) {
errx(EXIT_PIN_LOCKED, "token is locked due to too "
"many invalid PIN attempts");
}
errx(EXIT_PIN, "refusing to attempt PIN: only %d PIN retries "
"remaining. use pivy-tool with -f to clear counter.",
retries);
} else if (er) {
piv_txn_end(pk);
errfx(EXIT_PIN, er, "failed to verify PIN");
}
if (touch) {
fprintf(stderr, "Touch button confirmation may be required.\n");
}
}
errf_t *
local_unlock_agent(struct piv_ecdh_box *box)
{
struct sshkey *pubkey;
errf_t *err;
int rc;
uint i;
struct ssh_identitylist *idl = NULL;
boolean_t found = B_FALSE;
if (ebox_authfd == -1 &&
(rc = ssh_get_authentication_socket(&ebox_authfd)) == -1) {
err = ssherrf("ssh_get_authentication_socket", rc);
goto out;
}
pubkey = piv_box_pubkey(box);
rc = ssh_fetch_identitylist(ebox_authfd, &idl);
if (rc) {
err = ssherrf("ssh_fetch_identitylist", rc);
goto out;
}
for (i = 0; i < idl->nkeys; ++i) {
if (sshkey_equal_public(idl->keys[i], pubkey)) {
found = B_TRUE;
break;
}
}
if (!found) {
err = errf("KeyNotFound", NULL, "No matching key found in "
"ssh agent");
goto out;
}
if (!ebox_batch) {
fprintf(stderr, "Using key '%s' in ssh-agent...\n",
idl->comments[i]);
}
err = piv_box_open_agent(ebox_authfd, box);
if (err)
warnfx(err, "Failed to use key from ssh-agent");
out:
ssh_free_identitylist(idl);
return (err);
}
void
release_context(void)
{
if (ebox_enum_tokens != NULL)
piv_release(ebox_enum_tokens);
ebox_enum_tokens = NULL;
if (ebox_ctx != NULL)
piv_close(ebox_ctx);
ebox_ctx = NULL;
}
boolean_t
can_local_unlock(struct piv_ecdh_box *box)
{
errf_t *err;
int rc;
uint i;
struct piv_slot *slot;
struct piv_token *tokens = NULL, *token;
struct ssh_identitylist *idl = NULL;
struct sshkey *pubkey;
boolean_t found = B_FALSE;
if (ebox_authfd != -1 ||
ssh_get_authentication_socket(&ebox_authfd) != -1) {
pubkey = piv_box_pubkey(box);
rc = ssh_fetch_identitylist(ebox_authfd, &idl);
if (rc)
goto out;
for (i = 0; i < idl->nkeys; ++i) {
if (sshkey_equal_public(idl->keys[i], pubkey)) {
found = B_TRUE;
break;
}
}
if (found)
goto out;
}
if (!piv_box_has_guidslot(box))
goto out;
if (ebox_ctx == NULL) {
ebox_ctx = piv_open();
VERIFY(ebox_ctx != NULL);
err = piv_establish_context(ebox_ctx, SCARD_SCOPE_SYSTEM);
if (err && errf_caused_by(err, "ServiceError")) {
errf_free(err);
} else if (err) {
goto out;
}
}
/*
* We might try to call local_unlock on a whole lot of configs in a
* row (looking for one that works). If we resort to enumerating all
* the tokens on the system at any point, cache them in
* ebox_enum_tokens so that things are a bit faster.
*/
if (ebox_enum_tokens != NULL) {
tokens = ebox_enum_tokens;
} else {
err = piv_find(ebox_ctx, piv_box_guid(box), GUID_LEN, &tokens);
if (err == ERRF_OK) {
found = B_TRUE;
} else if (errf_caused_by(err, "NotFoundError")) {
errf_free(err);
err = piv_enumerate(ebox_ctx, &tokens);
if (err) {
errf_free(err);
} else {
ebox_enum_tokens = tokens;
}
} else {
errf_free(err);
}
}
if (found)
goto out;
err = piv_box_find_token(tokens, box, &token, &slot);
if (err) {
errf_free(err);
goto out;
}
found = B_TRUE;
out:
if (tokens != ebox_enum_tokens)
piv_release(tokens);
ssh_free_identitylist(idl);
return (found);
}
errf_t *
local_unlock(struct piv_ecdh_box *box, struct sshkey *cak, const char *name)
{
errf_t *err, *agerr = NULL;
struct piv_slot *slot, *cakslot;
struct piv_token *tokens = NULL, *token;
if (ebox_authfd != -1 ||
ssh_get_authentication_socket(&ebox_authfd) != -1) {
agerr = local_unlock_agent(box);
if (agerr == ERRF_OK)
return (ERRF_OK);
}
if (!piv_box_has_guidslot(box)) {
if (agerr) {
return (errf("AgentError", agerr, "ssh-agent unlock "
"failed, and box does not have GUID/slot info"));
}
return (errf("NoGUIDSlot", NULL, "box does not have GUID "
"and slot information, can't unlock with local hardware"));
}
if (ebox_ctx == NULL) {
ebox_ctx = piv_open();
VERIFY(ebox_ctx != NULL);
err = piv_establish_context(ebox_ctx, SCARD_SCOPE_SYSTEM);
if (err && errf_caused_by(err, "ServiceError")) {
errf_free(err);
} else if (err) {
errfx(EXIT_ERROR, err, "failed to initialise libpcsc");
}
}
/*
* We might try to call local_unlock on a whole lot of configs in a
* row (looking for one that works). If we resort to enumerating all
* the tokens on the system at any point, cache them in
* ebox_enum_tokens so that things are a bit faster.
*/
if (ebox_enum_tokens != NULL) {
tokens = ebox_enum_tokens;
err = NULL;
} else {
err = piv_find(ebox_ctx, piv_box_guid(box), GUID_LEN, &tokens);
if (errf_caused_by(err, "NotFoundError")) {
errf_free(err);
err = piv_enumerate(ebox_ctx, &tokens);
if (err && agerr) {
err = errf("AgentError", agerr, "ssh-agent "
"unlock failed, and no PIV tokens were "
"detected on the local system");
} else {
ebox_enum_tokens = tokens;
}
}
}
errf_free(agerr);
if (err)
goto out;
err = piv_box_find_token(tokens, box, &token, &slot);
if (err) {
err = errf("LocalUnlockError", err, "failed to find token "
"with GUID %s and key for box",
piv_box_guid_hex(box));
goto out;
}
if ((err = piv_txn_begin(token)))
goto out;
if ((err = piv_select(token))) {
piv_txn_end(token);
goto out;
}
if (cak != NULL) {
cakslot = piv_get_slot(token, PIV_SLOT_CARD_AUTH);
if (cakslot == NULL) {
err = piv_read_cert(token, PIV_SLOT_CARD_AUTH);
if (err) {
err = errf("CardAuthenticationError", err,
"Failed to validate CAK");
piv_txn_end(token);
goto out;
}
cakslot = piv_get_slot(token, PIV_SLOT_CARD_AUTH);
}
if (cakslot == NULL) {
err = errf("CardAuthenticationError", NULL,
"Failed to validate CAK");
piv_txn_end(token);
goto out;
}
err = piv_auth_key(token, cakslot, cak);
if (err) {
err = errf("CardAuthenticationError", err,
"Failed to validate CAK");
piv_txn_end(token);
goto out;
}
}
boolean_t prompt = B_FALSE;
pin:
assert_pin(token, slot, name, prompt);
err = piv_box_open(token, slot, box);
if (errf_caused_by(err, "PermissionError") && !prompt && !ebox_batch) {
errf_free(err);
prompt = B_TRUE;
goto pin;
} else if (err) {
piv_txn_end(token);
err = errf("LocalUnlockError", err, "failed to unlock box");
goto out;
}
piv_txn_end(token);
err = ERRF_OK;
out:
if (tokens != ebox_enum_tokens)
piv_release(tokens);
return (err);
}
void
add_answer(struct question *q, struct answer *a)
{
if (a->a_prev != NULL || a->a_next != NULL || q->q_lastans == a)
return;
if (q->q_lastans == NULL) {
q->q_ans = a;
} else {
q->q_lastans->a_next = a;
a->a_prev = q->q_lastans;
}
q->q_lastans = a;
}
void
add_spacer(struct question *q)
{
struct answer *a;
a = calloc(1, sizeof (struct answer));
add_answer(q, a);
}
void
remove_answer(struct question *q, struct answer *a)
{
if (a->a_prev != NULL) {
a->a_prev->a_next = a->a_next;
} else {
if (q->q_ans != a && a->a_next == NULL)
return;
VERIFY(q->q_ans == a);
q->q_ans = a->a_next;
}
if (a->a_next != NULL) {
a->a_next->a_prev = a->a_prev;
} else {
if (q->q_lastans != a && a->a_prev == NULL)
return;
VERIFY(q->q_lastans == a);
q->q_lastans = a->a_prev;
}
a->a_next = NULL;
a->a_prev = NULL;
}
void
remove_command(struct question *q, struct answer *a)
{
if (a->a_prev != NULL) {
a->a_prev->a_next = a->a_next;
} else {
if (q->q_coms != a && a->a_next == NULL)
return;
VERIFY(q->q_coms == a);
q->q_coms = a->a_next;
}
if (a->a_next != NULL) {
a->a_next->a_prev = a->a_prev;
} else {
if (q->q_lastcom != a && a->a_prev == NULL)
return;
VERIFY(q->q_lastcom == a);
q->q_lastcom = a->a_prev;
}
a->a_next = NULL;
a->a_prev = NULL;
}
void
answer_printf(struct answer *ans, const char *fmt, ...)
{
va_list ap;
int wrote;
va_start(ap, fmt);
wrote = vsnprintf(&ans->a_text[ans->a_used],
sizeof (ans->a_text) - ans->a_used, fmt, ap);
VERIFY(wrote >= 0);
va_end(ap);
ans->a_used += wrote;
if (ans->a_used >= sizeof (ans->a_text))
ans->a_text[sizeof (ans->a_text) - 1] = '\0';
}
struct answer *
make_answer(char key, const char *fmt, ...)
{
va_list ap;
int wrote;
struct answer *ans;
ans = calloc(1, sizeof (struct answer));
if (ans == NULL)
err(EXIT_ERROR, "failed to allocate memory");
ans->a_key = key;
va_start(ap, fmt);
wrote = vsnprintf(&ans->a_text[ans->a_used],
sizeof (ans->a_text) - ans->a_used, fmt, ap);
VERIFY(wrote >= 0);
va_end(ap);
ans->a_used += wrote;
if (ans->a_used >= sizeof (ans->a_text))
ans->a_text[sizeof (ans->a_text) - 1] = '\0';
return (ans);
}
void
add_command(struct question *q, struct answer *a)
{
if (q->q_lastcom == NULL) {
q->q_coms = a;
} else {
q->q_lastcom->a_next = a;
a->a_prev = q->q_lastcom;
}
q->q_lastcom = a;
}
void
question_printf(struct question *q, const char *fmt, ...)
{
va_list ap;
int wrote;
va_start(ap, fmt);
wrote = vsnprintf(&q->q_prompt[q->q_used],
sizeof (q->q_prompt) - q->q_used, fmt, ap);
VERIFY(wrote >= 0);
va_end(ap);
q->q_used += wrote;
if (q->q_used >= sizeof (q->q_prompt))
q->q_prompt[sizeof (q->q_prompt) - 1] = '\0';
}
void
question_free(struct question *q)
{
struct answer *a, *na;
if (q == NULL)
return;
for (a = q->q_ans; a != NULL; a = na) {
na = a->a_next;
if (a->a_priv == NULL)
free(a);
}
for (a = q->q_coms; a != NULL; a = na) {
na = a->a_next;
if (a->a_priv == NULL)
free(a);
}
free(q);
}
void
question_prompt(struct question *q, struct answer **ansp)
{
struct answer *ans;
char *line = NULL;
again:
fprintf(stderr, "%s\n", q->q_prompt);
for (ans = q->q_ans; ans != NULL; ans = ans->a_next) {
if (ans->a_key == '\0') {
fprintf(stderr, "\n");
continue;
}
fprintf(stderr, " [%c] %s\n", ans->a_key, ans->a_text);
}
fprintf(stderr, "\nCommands:\n");
for (ans = q->q_coms; ans != NULL; ans = ans->a_next) {
if (ans->a_key == '\0') {
fprintf(stderr, "\n");
continue;
}
fprintf(stderr, " [%c] %s\n", ans->a_key, ans->a_text);
}
free(line);
line = readline("Choice? ");
if (line == NULL)
exit(EXIT_ERROR);
for (ans = q->q_ans; ans != NULL; ans = ans->a_next) {
if (ans->a_key != '\0' &&
line[0] == ans->a_key && line[1] == '\0') {
free(line);
*ansp = ans;
return;
}
}
for (ans = q->q_coms; ans != NULL; ans = ans->a_next) {
if (ans->a_key != '\0' &&
line[0] == ans->a_key && line[1] == '\0') {
free(line);
*ansp = ans;
return;
}
}
fprintf(stderr, "Invalid choice.\n");
goto again;
}
enum part_intent {
INTENT_NONE,
INTENT_LOCAL,
INTENT_CHAL_RESP
};
struct part_state {
struct ebox_part *ps_part;
struct answer *ps_ans;
enum part_intent ps_intent;
};
static void
make_answer_text_for_pstate(struct part_state *state)
{
struct ebox_tpl_part *tpart;
struct answer *a;
const char *name;
char *guidhex = NULL;
a = state->ps_ans;
a->a_text[0] = '\0';
a->a_used = 0;
tpart = ebox_part_tpl(state->ps_part);
guidhex = buf_to_hex(ebox_tpl_part_guid(tpart), 4, B_FALSE);
answer_printf(a, "%s", guidhex);
free(guidhex);
name = ebox_tpl_part_name(tpart);
if (name != NULL)
answer_printf(a, " (%s)", name);
switch (state->ps_intent) {
case INTENT_NONE:
break;
case INTENT_LOCAL:
answer_printf(a, "* [local]");
break;
case INTENT_CHAL_RESP:
answer_printf(a, "* [remote/challenge-response]");
break;
}
}
static errf_t *
interactive_part_state(struct part_state *state)
{
struct ebox_tpl_part *tpart;
struct question *q = NULL;
struct answer *a;
char *guidhex = NULL;
struct sshbuf *buf = NULL;
int rc;
tpart = ebox_part_tpl(state->ps_part);
buf = sshbuf_new();
if (buf == NULL)
err(EXIT_ERROR, "memory allocation failed");
q = calloc(1, sizeof (struct question));
if (q == NULL)
err(EXIT_ERROR, "memory allocation failed");
question_printf(q, "-- Select recovery method for part %c --\n",
state->ps_ans->a_key);
guidhex = buf_to_hex(ebox_tpl_part_guid(tpart), GUID_LEN, B_FALSE);
question_printf(q, "GUID: %s\n", guidhex);
free(guidhex);
guidhex = NULL;
question_printf(q, "Name: %s\n", ebox_tpl_part_name(tpart));
if ((rc = sshkey_format_text(ebox_tpl_part_pubkey(tpart), buf))) {
errfx(EXIT_ERROR, ssherrf("sshkey_format_text", rc),
"failed to write part public key");
}
if ((rc = sshbuf_put_u8(buf, '\0'))) {
errfx(EXIT_ERROR, ssherrf("sshbuf_put_u8", rc),
"failed to write part public key (null)");
}
question_printf(q, "Public key (9d): %s", (char *)sshbuf_ptr(buf));
sshbuf_reset(buf);
a = make_answer('x', "Do not use%s",
(state->ps_intent == INTENT_NONE) ? "*" : "");
add_answer(q, a);
a = make_answer('l',
"Use locally (directly attached to this machine)%s",
(state->ps_intent == INTENT_LOCAL) ? "*" : "");
add_answer(q, a);
a = make_answer('r', "Use remotely (via challenge-response)%s",
(state->ps_intent == INTENT_CHAL_RESP) ? "*" : "");
add_answer(q, a);
question_prompt(q, &a);
switch (a->a_key) {
case 'x':
state->ps_intent = INTENT_NONE;
break;
case 'l':
state->ps_intent = INTENT_LOCAL;
break;
case 'r':
state->ps_intent = INTENT_CHAL_RESP;
break;
}
free(guidhex);
sshbuf_free(buf);
question_free(q);
return (NULL);
}
static void
read_b64_box(struct piv_ecdh_box **outbox)
{
char *linebuf, *p, *line;
size_t len = 1024, pos = 0, llen;
struct piv_ecdh_box *box = NULL;
struct sshbuf *buf;
linebuf = malloc(len);
buf = sshbuf_new();
VERIFY(linebuf != NULL);
VERIFY(buf != NULL);
do {
if (len - pos < 128) {
len *= 2;
p = malloc(len);
VERIFY(p != NULL);
bcopy(linebuf, p, pos + 1);
free(linebuf);
linebuf = p;
}
line = readline("> ");
if (line == NULL)
exit(EXIT_ERROR);
llen = strlen(line);
if (llen >= 2 && line[0] == '-' && line[1] == '-')
continue;
while (pos + llen > len) {
char *nlinebuf;
len *= 2;
nlinebuf = malloc(len);
nlinebuf[0] = 0;
strcpy(nlinebuf, linebuf);
free(linebuf);
linebuf = nlinebuf;
}
strcpy(&linebuf[pos], line);
pos += llen;
if (sshbuf_b64tod(buf, linebuf) == 0) {
struct sshbuf *pbuf = sshbuf_fromb(buf);
pos = 0;
linebuf[0] = 0;
if (sshbuf_get_piv_box(pbuf, &box) == 0)
sshbuf_free(buf);
sshbuf_free(pbuf);
}
} while (box == NULL);
*outbox = box;
}
errf_t *
interactive_recovery(struct ebox_config *config, const char *what)
{
struct ebox_part *part;
struct ebox_tpl_config *tconfig;
struct ebox_tpl_part *tpart;
struct part_state *state;
struct question *q;
struct answer *a, *adone;
struct sshbuf *buf = NULL, *b64buf;
struct piv_ecdh_box *box;
const struct ebox_challenge *chal;
struct ans_config *ac;
char k = '0';
uint n, ncur;
uint i;
char *line;
char *b64;
errf_t *error;
const uint8_t *words;
size_t wordlen;
int rc;
boolean_t adone_in = B_FALSE;
tconfig = ebox_config_tpl(config);
n = ebox_tpl_config_n(tconfig);
if (ebox_batch) {
error = errf("InteractiveError", NULL,
"interactive recovery is required but the -b batch option "
"was provided");
return (error);
}
q = calloc(1, sizeof (struct question));
ac = (struct ans_config *)ebox_config_private(config);
a = ac->ac_ans;
question_printf(q, "-- Recovery config %c --\n", a->a_key);
question_printf(q, "Select %u parts to use for recovery", n);
part = NULL;
ncur = 0;
while ((part = ebox_config_next_part(config, part)) != NULL) {
tpart = ebox_part_tpl(part);
state = ebox_part_alloc_private(part,
sizeof (struct part_state));
VERIFY(state != NULL);
state->ps_part = part;
state->ps_ans = (a = calloc(1, sizeof (struct answer)));
a->a_key = ++k;
a->a_priv = state;
VERIFY(state->ps_ans != NULL);
state->ps_intent = INTENT_NONE;
if (can_local_unlock(ebox_part_box(part))) {
state->ps_intent = INTENT_LOCAL;
++ncur;
}
make_answer_text_for_pstate(state);
add_answer(q, a);
}
adone = make_answer('r', "begin recovery");
if (ncur >= n) {
add_command(q, adone);
adone_in = B_TRUE;
}
again:
question_prompt(q, &a);
if (a->a_key == 'r') {
goto recover;
}
state = (struct part_state *)a->a_priv;
interactive_part_state(state);
make_answer_text_for_pstate(state);
ncur = 0;
part = NULL;
while ((part = ebox_config_next_part(config, part)) != NULL) {
state = (struct part_state *)ebox_part_private(part);
if (state->ps_intent != INTENT_NONE)
++ncur;
}
if (ncur >= n) {
if (!adone_in) {
add_command(q, adone);
adone_in = B_TRUE;
}
} else {
if (adone_in) {
remove_command(q, adone);
adone_in = B_FALSE;
}
}
goto again;
recover:
fprintf(stderr,
"-- Beginning recovery --\n"
"Local devices will be attempted in order before remote "
"challenge-responses are processed.\n\n");
ncur = 0;