/*
* Authenticate Director
*/
static int authenticate_director(JCR *jcr)
{
const MONITORRES *monitor = MonitorItemThread::instance()->getMonitor();
BSOCK *dir = jcr->dir_bsock;
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
bool compatible = true;
char bashed_name[MAX_NAME_LENGTH];
char *password;
bstrncpy(bashed_name, monitor->hdr.name, sizeof(bashed_name));
bash_spaces(bashed_name);
password = monitor->password;
/* Timeout Hello after 5 mins */
btimer_t *tid = start_bsock_timer(dir, 60 * 5);
dir->fsend(DIRhello, bashed_name);
if (!cram_md5_respond(dir, password, &tls_remote_need, &compatible) ||
!cram_md5_challenge(dir, password, tls_local_need, compatible)) {
stop_bsock_timer(tid);
Jmsg1(jcr, M_FATAL, 0, _("Director authorization problem.\n"
"Most likely the passwords do not agree.\n"
"Please see %s for help.\n"), MANUAL_AUTH_URL);
return 0;
}
Dmsg1(6, ">dird: %s", dir->msg);
if (dir->recv() <= 0) {
stop_bsock_timer(tid);
Jmsg1(jcr, M_FATAL, 0, _("Bad response to Hello command: ERR=%s\n"),
dir->bstrerror());
return 0;
}
Dmsg1(10, "<dird: %s", dir->msg);
stop_bsock_timer(tid);
if (strncmp(dir->msg, DIROKhello, sizeof(DIROKhello)-1) != 0) {
Jmsg0(jcr, M_FATAL, 0, _("Director rejected Hello command\n"));
return 0;
} else {
Jmsg0(jcr, M_INFO, 0, dir->msg);
}
return 1;
}
/*
* Authenticate File daemon connection
*/
static int authenticate_file_daemon(JCR *jcr, CLIENTRES* client)
{
const MONITORRES *monitor = MonitorItemThread::instance()->getMonitor();
BSOCK *fd = jcr->file_bsock;
char dirname[MAX_NAME_LENGTH];
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
bool compatible = true;
/*
* Send my name to the File daemon then do authentication
*/
bstrncpy(dirname, monitor->hdr.name, sizeof(dirname));
bash_spaces(dirname);
/* Timeout Hello after 5 mins */
btimer_t *tid = start_bsock_timer(fd, 60 * 5);
if (!fd->fsend(SDFDhello, dirname)) {
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to File daemon. ERR=%s\n"), bnet_strerror(fd));
return 0;
}
if (!cram_md5_respond(fd, client->password, &tls_remote_need, &compatible) ||
!cram_md5_challenge(fd, client->password, tls_local_need, compatible)) {
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("Director and File daemon passwords or names not the same.\n"
"Please see " MANUAL_AUTH_URL " for help.\n"));
return 0;
}
Dmsg1(116, ">filed: %s", fd->msg);
if (fd->recv() <= 0) {
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("Bad response from File daemon to Hello command: ERR=%s\n"),
fd->bstrerror());
return 0;
}
Dmsg1(110, "<stored: %s", fd->msg);
stop_bsock_timer(tid);
if (strncmp(fd->msg, FDOKhello, sizeof(FDOKhello)-1) != 0) {
Jmsg(jcr, M_FATAL, 0, _("File daemon rejected Hello command\n"));
return 0;
}
return 1;
}
/*
* Authenticate Storage daemon connection
*/
int authenticate_storage_daemon(JCR *jcr, MONITOR *monitor, STORE* store)
{
BSOCK *sd = jcr->store_bsock;
char dirname[MAX_NAME_LENGTH];
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
int compatible = true;
/*
* Send my name to the Storage daemon then do authentication
*/
bstrncpy(dirname, monitor->hdr.name, sizeof(dirname));
bash_spaces(dirname);
/* Timeout Hello after 5 mins */
btimer_t *tid = start_bsock_timer(sd, 60 * 5);
if (!sd->fsend(SDFDhello, dirname)) {
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to Storage daemon. ERR=%s\n"), sd->bstrerror());
return 0;
}
if (!cram_md5_respond(sd, store->password, &tls_remote_need, &compatible) ||
!cram_md5_challenge(sd, store->password, tls_local_need, compatible)) {
stop_bsock_timer(tid);
Jmsg0(jcr, M_FATAL, 0, _("Director and Storage daemon passwords or names not the same.\n"
"Please see " MANUAL_AUTH_URL " for help.\n"));
return 0;
}
Dmsg1(116, ">stored: %s", sd->msg);
if (sd->recv() <= 0) {
stop_bsock_timer(tid);
Jmsg1(jcr, M_FATAL, 0, _("bdird<stored: bad response to Hello command: ERR=%s\n"),
sd->bstrerror());
return 0;
}
Dmsg1(110, "<stored: %s", sd->msg);
stop_bsock_timer(tid);
if (strncmp(sd->msg, SDOKhello, sizeof(SDOKhello)) != 0) {
Jmsg0(jcr, M_FATAL, 0, _("Storage daemon rejected Hello command\n"));
return 0;
}
return 1;
}
/*
* See who is connecting and lookup the authentication information.
* First make him prove his identity and then prove our identity to the Remote daemon.
*/
static inline bool two_way_authenticate(int rcode, BSOCK *bs, JCR* jcr)
{
POOLMEM *dirname = get_pool_memory(PM_MESSAGE);
DIRRES *director = NULL;
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
bool compatible = true; /* Want md5 compatible DIR */
bool auth_success = false;
alist *verify_list = NULL;
btimer_t *tid = NULL;
if (rcode != R_DIRECTOR) {
Dmsg1(dbglvl, "I only authenticate directors, not %d\n", rcode);
Jmsg1(jcr, M_FATAL, 0, _("I only authenticate directors, not %d\n"), rcode);
goto auth_fatal;
}
if (bs->msglen < 25 || bs->msglen > 500) {
Dmsg2(dbglvl, "Bad Hello command from Director at %s. Len=%d.\n",
bs->who(), bs->msglen);
char addr[64];
char *who = bnet_get_peer(bs, addr, sizeof(addr)) ? bs->who() : addr;
Jmsg2(jcr, M_FATAL, 0, _("Bad Hello command from Director at %s. Len=%d.\n"),
who, bs->msglen);
goto auth_fatal;
}
dirname = check_pool_memory_size(dirname, bs->msglen);
if (sscanf(bs->msg, "Hello Director %s calling", dirname) != 1) {
char addr[64];
char *who = bnet_get_peer(bs, addr, sizeof(addr)) ? bs->who() : addr;
bs->msg[100] = 0;
Dmsg2(dbglvl, "Bad Hello command from Director at %s: %s\n",
bs->who(), bs->msg);
Jmsg2(jcr, M_FATAL, 0, _("Bad Hello command from Director at %s: %s\n"),
who, bs->msg);
goto auth_fatal;
}
unbash_spaces(dirname);
foreach_res(director, R_DIRECTOR) {
if (bstrcmp(director->hdr.name, dirname))
break;
}
if (!director) {
char addr[64];
char *who = bnet_get_peer(bs, addr, sizeof(addr)) ? bs->who() : addr;
Jmsg2(jcr, M_FATAL, 0, _("Connection from unknown Director %s at %s rejected.\n"),
dirname, who);
goto auth_fatal;
}
if (have_tls) {
/*
* TLS Requirement
*/
if (director->tls_enable) {
if (director->tls_require) {
tls_local_need = BNET_TLS_REQUIRED;
} else {
tls_local_need = BNET_TLS_OK;
}
}
if (director->tls_authenticate) {
tls_local_need = BNET_TLS_REQUIRED;
}
if (director->tls_verify_peer) {
verify_list = director->tls_allowed_cns;
}
}
/*
* Timeout Hello after 10 min
*/
tid = start_bsock_timer(bs, AUTH_TIMEOUT);
/*
* Sanity check.
*/
ASSERT(director->password.encoding == p_encoding_md5);
/*
* Challenge the director
*/
auth_success = cram_md5_challenge(bs, director->password.value, tls_local_need, compatible);
if (job_canceled(jcr)) {
auth_success = false;
goto auth_fatal; /* quick exit */
}
if (auth_success) {
auth_success = cram_md5_respond(bs, director->password.value, &tls_remote_need, &compatible);
if (!auth_success) {
char addr[64];
char *who = bnet_get_peer(bs, addr, sizeof(addr)) ? bs->who() : addr;
Dmsg1(dbglvl, "cram_get_auth failed for %s\n", who);
}
} else {
char addr[64];
char *who = bnet_get_peer(bs, addr, sizeof(addr)) ? bs->who() : addr;
Dmsg1(dbglvl, "cram_auth failed for %s\n", who);
}
if (!auth_success) {
Emsg1(M_FATAL, 0, _("Incorrect password given by Director at %s.\n"),
bs->who());
goto auth_fatal;
}
/*
* Verify that the remote host is willing to meet our TLS requirements
*/
if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg0(jcr, M_FATAL, 0, _("Authorization problem: Remote server did not"
" advertize required TLS support.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
/*
* Verify that we are willing to meet the remote host's requirements
*/
if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg0(jcr, M_FATAL, 0, _("Authorization problem: Remote server requires TLS.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
/*
* Engage TLS! Full Speed Ahead!
*/
if (!bnet_tls_server(director->tls_ctx, bs, verify_list)) {
Jmsg0(jcr, M_FATAL, 0, _("TLS negotiation failed.\n"));
auth_success = false;
goto auth_fatal;
}
if (director->tls_authenticate) { /* authentication only? */
bs->free_tls(); /* shutodown tls */
}
}
auth_fatal:
if (tid) {
stop_bsock_timer(tid);
tid = NULL;
}
free_pool_memory(dirname);
jcr->director = director;
/*
* Single thread all failures to avoid DOS
*/
if (!auth_success) {
P(mutex);
bmicrosleep(6, 0);
V(mutex);
}
return auth_success;
}
/*
* First prove our identity to the Remote daemon and then make him prove his identity.
*/
static inline bool two_way_authenticate(BSOCK *bs, JCR *jcr, bool initiate, const char *what)
{
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
bool compatible = true;
bool auth_success = false;
alist *verify_list = NULL;
btimer_t *tid = NULL;
/*
* TLS Requirement
*/
if (have_tls && me->tls_enable) {
if (me->tls_require) {
tls_local_need = BNET_TLS_REQUIRED;
} else {
tls_local_need = BNET_TLS_OK;
}
}
if (me->tls_authenticate) {
tls_local_need = BNET_TLS_REQUIRED;
}
if (job_canceled(jcr)) {
auth_success = false; /* force quick exit */
goto auth_fatal;
}
/*
* Timeout Hello after 10 min
*/
tid = start_bsock_timer(bs, AUTH_TIMEOUT);
/*
* See if we initiate the challenge or respond to a challenge.
*/
if (initiate) {
/*
* Challenge SD
*/
auth_success = cram_md5_challenge(bs, jcr->sd_auth_key, tls_local_need, compatible);
if (auth_success) {
/*
* Respond to his challenge
*/
auth_success = cram_md5_respond(bs, jcr->sd_auth_key, &tls_remote_need, &compatible);
if (!auth_success) {
Dmsg1(dbglvl, "Respond cram-get-auth failed with %s\n", bs->who());
}
} else {
Dmsg1(dbglvl, "Challenge cram-auth failed with %s\n", bs->who());
}
} else {
/*
* Respond to challenge
*/
auth_success = cram_md5_respond(bs, jcr->sd_auth_key, &tls_remote_need, &compatible);
if (job_canceled(jcr)) {
auth_success = false; /* force quick exit */
goto auth_fatal;
}
if (!auth_success) {
Dmsg1(dbglvl, "cram_respond failed for %s\n", bs->who());
} else {
/*
* Challenge SD.
*/
auth_success = cram_md5_challenge(bs, jcr->sd_auth_key, tls_local_need, compatible);
if (!auth_success) {
Dmsg1(dbglvl, "cram_challenge failed for %s\n", bs->who());
}
}
}
if (!auth_success) {
Jmsg(jcr, M_FATAL, 0, _("Authorization key rejected by %s daemon.\n"
"Please see %s for help.\n"), what, MANUAL_AUTH_URL);
goto auth_fatal;
}
/*
* Verify that the remote host is willing to meet our TLS requirements
*/
if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server did not"
" advertize required TLS support.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
/*
* Verify that we are willing to meet the remote host's requirements
*/
if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server requires TLS.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
/*
* See if we are handshaking a passive client connection.
*/
if (initiate) {
verify_list = me->tls_allowed_cns;
}
/*
* Engage TLS! Full Speed Ahead!
*/
if (!bnet_tls_client(me->tls_ctx, bs, verify_list)) {
Jmsg(jcr, M_FATAL, 0, _("TLS negotiation failed.\n"));
auth_success = false;
goto auth_fatal;
}
if (me->tls_authenticate) { /* tls authentication only? */
bs->free_tls(); /* yes, shutdown tls */
}
}
auth_fatal:
/*
* Destroy session key
*/
memset(jcr->sd_auth_key, 0, strlen(jcr->sd_auth_key));
stop_bsock_timer(tid);
/*
* Single thread all failures to avoid DOS
*/
if (!auth_success) {
P(mutex);
bmicrosleep(6, 0);
V(mutex);
}
return auth_success;
}
/*
* Authenticate Storage daemon connection
*/
bool authenticate_storage_daemon(JCR *jcr, STORERES *store)
{
BSOCK *sd = jcr->store_bsock;
char dirname[MAX_NAME_LENGTH];
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
int compatible = true;
bool auth_success = false;
/*
* Send my name to the Storage daemon then do authentication
*/
bstrncpy(dirname, director->hdr.name, sizeof(dirname));
bash_spaces(dirname);
/* Timeout Hello after 1 min */
btimer_t *tid = start_bsock_timer(sd, AUTH_TIMEOUT);
if (!sd->fsend(hello, dirname)) {
stop_bsock_timer(tid);
Dmsg1(dbglvl, _("Error sending Hello to Storage daemon. ERR=%s\n"), bnet_strerror(sd));
Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to Storage daemon. ERR=%s\n"), bnet_strerror(sd));
return 0;
}
/* TLS Requirement */
if (store->tls_enable) {
if (store->tls_require) {
tls_local_need = BNET_TLS_REQUIRED;
} else {
tls_local_need = BNET_TLS_OK;
}
}
if (store->tls_authenticate) {
tls_local_need = BNET_TLS_REQUIRED;
}
auth_success = cram_md5_respond(sd, store->password, &tls_remote_need, &compatible);
if (auth_success) {
auth_success = cram_md5_challenge(sd, store->password, tls_local_need, compatible);
if (!auth_success) {
Dmsg1(dbglvl, "cram_challenge failed for %s\n", sd->who());
}
} else {
Dmsg1(dbglvl, "cram_respond failed for %s\n", sd->who());
}
if (!auth_success) {
stop_bsock_timer(tid);
Dmsg0(dbglvl, _("Director and Storage daemon passwords or names not the same.\n"));
Jmsg2(jcr, M_FATAL, 0,
_("Director unable to authenticate with Storage daemon at \"%s:%d\". Possible causes:\n"
"Passwords or names not the same or\n"
"Maximum Concurrent Jobs exceeded on the SD or\n"
"SD networking messed up (restart daemon).\n"
"Please see " MANUAL_AUTH_URL " for help.\n"),
sd->host(), sd->port());
return 0;
}
/* Verify that the remote host is willing to meet our TLS requirements */
if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server did not advertise required TLS support.\n"));
return 0;
}
/* Verify that we are willing to meet the remote host's requirements */
if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server requires TLS.\n"));
return 0;
}
/* Is TLS Enabled? */
if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
/* Engage TLS! Full Speed Ahead! */
if (!bnet_tls_client(store->tls_ctx, sd, NULL)) {
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("TLS negotiation failed with SD at \"%s:%d\"\n"),
sd->host(), sd->port());
return 0;
}
if (store->tls_authenticate) { /* authentication only? */
sd->free_tls(); /* yes, stop tls */
}
}
Dmsg1(116, ">stored: %s", sd->msg);
if (sd->recv() <= 0) {
stop_bsock_timer(tid);
Jmsg3(jcr, M_FATAL, 0, _("bdird<stored: \"%s:%s\" bad response to Hello command: ERR=%s\n"),
sd->who(), sd->host(), sd->bstrerror());
return 0;
}
Dmsg1(110, "<stored: %s", sd->msg);
stop_bsock_timer(tid);
if (!bstrncmp(sd->msg, OKhello, sizeof(OKhello))) {
Dmsg0(dbglvl, _("Storage daemon rejected Hello command\n"));
Jmsg2(jcr, M_FATAL, 0, _("Storage daemon at \"%s:%d\" rejected Hello command\n"),
sd->host(), sd->port());
return 0;
}
return 1;
}
/*
* Authenticate File daemon connection
*/
int authenticate_file_daemon(JCR *jcr)
{
BSOCK *fd = jcr->file_bsock;
CLIENTRES *client = jcr->res.client;
char dirname[MAX_NAME_LENGTH];
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
int compatible = true;
bool auth_success = false;
/*
* Send my name to the File daemon then do authentication
*/
bstrncpy(dirname, director->name(), sizeof(dirname));
bash_spaces(dirname);
/* Timeout Hello after 1 min */
btimer_t *tid = start_bsock_timer(fd, AUTH_TIMEOUT);
if (!fd->fsend(hello, dirname)) {
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to File daemon at \"%s:%d\". ERR=%s\n"),
fd->host(), fd->port(), fd->bstrerror());
return 0;
}
Dmsg1(dbglvl, "Sent: %s", fd->msg);
/* TLS Requirement */
if (client->tls_enable) {
if (client->tls_require) {
tls_local_need = BNET_TLS_REQUIRED;
} else {
tls_local_need = BNET_TLS_OK;
}
}
if (client->tls_authenticate) {
tls_local_need = BNET_TLS_REQUIRED;
}
auth_success = cram_md5_respond(fd, client->password, &tls_remote_need, &compatible);
if (auth_success) {
auth_success = cram_md5_challenge(fd, client->password, tls_local_need, compatible);
if (!auth_success) {
Dmsg1(dbglvl, "cram_auth failed for %s\n", fd->who());
}
} else {
Dmsg1(dbglvl, "cram_get_auth failed for %s\n", fd->who());
}
if (!auth_success) {
stop_bsock_timer(tid);
Dmsg0(dbglvl, _("Director and File daemon passwords or names not the same.\n"));
Jmsg(jcr, M_FATAL, 0,
_("Unable to authenticate with File daemon at \"%s:%d\". Possible causes:\n"
"Passwords or names not the same or\n"
"Maximum Concurrent Jobs exceeded on the FD or\n"
"FD networking messed up (restart daemon).\n"
"Please see " MANUAL_AUTH_URL " for help.\n"),
fd->host(), fd->port());
return 0;
}
/* Verify that the remote host is willing to meet our TLS requirements */
if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: FD \"%s:%s\" did not advertise required TLS support.\n"),
fd->who(), fd->host());
return 0;
}
/* Verify that we are willing to meet the remote host's requirements */
if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: FD at \"%s:%d\" requires TLS.\n"),
fd->host(), fd->port());
return 0;
}
/* Is TLS Enabled? */
if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
/* Engage TLS! Full Speed Ahead! */
if (!bnet_tls_client(client->tls_ctx, fd, client->tls_allowed_cns)) {
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("TLS negotiation failed with FD at \"%s:%d\".\n"),
fd->host(), fd->port());
return 0;
}
if (client->tls_authenticate) { /* tls authentication only? */
fd->free_tls(); /* yes, shutdown tls */
}
}
Dmsg1(116, ">filed: %s", fd->msg);
if (fd->recv() <= 0) {
stop_bsock_timer(tid);
Dmsg1(dbglvl, _("Bad response from File daemon to Hello command: ERR=%s\n"),
bnet_strerror(fd));
Jmsg(jcr, M_FATAL, 0, _("Bad response from File daemon at \"%s:%d\" to Hello command: ERR=%s\n"),
fd->host(), fd->port(), fd->bstrerror());
return 0;
}
Dmsg1(110, "<filed: %s", fd->msg);
stop_bsock_timer(tid);
jcr->FDVersion = 0;
if (!bstrncmp(fd->msg, FDOKhello, sizeof(FDOKhello)) &&
sscanf(fd->msg, FDOKnewHello, &jcr->FDVersion) != 1) {
Dmsg0(dbglvl, _("File daemon rejected Hello command\n"));
Jmsg(jcr, M_FATAL, 0, _("File daemon at \"%s:%d\" rejected Hello command\n"),
fd->host(), fd->port());
return 0;
}
return 1;
}
/*
* First prove our identity to the Storage daemon, then
* make him prove his identity.
*/
int authenticate_storagedaemon(JCR *jcr)
{
BSOCK *sd = jcr->store_bsock;
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
int compatible = true;
bool auth_success = false;
btimer_t *tid = start_bsock_timer(sd, AUTH_TIMEOUT);
/* TLS Requirement */
if (have_tls && me->tls_enable) {
if (me->tls_require) {
tls_local_need = BNET_TLS_REQUIRED;
} else {
tls_local_need = BNET_TLS_OK;
}
}
if (me->tls_authenticate) {
tls_local_need = BNET_TLS_REQUIRED;
}
if (job_canceled(jcr)) {
auth_success = false; /* force quick exit */
goto auth_fatal;
}
/* Respond to SD challenge */
auth_success = cram_md5_respond(sd, jcr->sd_auth_key, &tls_remote_need, &compatible);
if (job_canceled(jcr)) {
auth_success = false; /* force quick exit */
goto auth_fatal;
}
if (!auth_success) {
Dmsg1(dbglvl, "cram_respond failed for %s\n", sd->who());
} else {
/* Now challenge him */
auth_success = cram_md5_challenge(sd, jcr->sd_auth_key, tls_local_need, compatible);
if (!auth_success) {
Dmsg1(dbglvl, "cram_challenge failed for %s\n", sd->who());
}
}
if (!auth_success) {
Jmsg(jcr, M_FATAL, 0, _("Authorization key rejected by Storage daemon.\n"
"Please see " MANUAL_AUTH_URL " for help.\n"));
goto auth_fatal;
}
/* Verify that the remote host is willing to meet our TLS requirements */
if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server did not"
" advertize required TLS support.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
/* Verify that we are willing to meet the remote host's requirements */
if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server requires TLS.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
/* Engage TLS! Full Speed Ahead! */
if (!bnet_tls_client(me->tls_ctx, sd, NULL)) {
Jmsg(jcr, M_FATAL, 0, _("TLS negotiation failed.\n"));
auth_success = false;
goto auth_fatal;
}
if (me->tls_authenticate) { /* tls authentication only? */
sd->free_tls(); /* yes, shutdown tls */
}
}
auth_fatal:
/* Destroy session key */
memset(jcr->sd_auth_key, 0, strlen(jcr->sd_auth_key));
stop_bsock_timer(tid);
/* Single thread all failures to avoid DOS */
if (!auth_success) {
P(mutex);
bmicrosleep(6, 0);
V(mutex);
}
return auth_success;
}
/*
* See who is connecting and lookup the authentication information.
* First make him prove his identity and then prove our identity to the Remote daemon.
*/
static inline bool two_way_authenticate(int rcode, BSOCK *bs, JCR* jcr)
{
POOLMEM *dirname;
DIRRES *director = NULL;
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
bool compatible = true; /* require md5 compatible DIR */
bool auth_success = false;
alist *verify_list = NULL;
if (rcode != R_DIRECTOR) {
Dmsg1(dbglvl, "I only authenticate Directors, not %d\n", rcode);
Jmsg1(jcr, M_FATAL, 0, _("I only authenticate Directors, not %d\n"), rcode);
return 0;
}
/*
* Sanity check.
*/
if (bs->msglen < 25 || bs->msglen > 500) {
Dmsg2(dbglvl, "Bad Hello command from Director at %s. Len=%d.\n",
bs->who(), bs->msglen);
Jmsg2(jcr, M_FATAL, 0, _("Bad Hello command from Director at %s. Len=%d.\n"),
bs->who(), bs->msglen);
return 0;
}
dirname = get_pool_memory(PM_MESSAGE);
dirname = check_pool_memory_size(dirname, bs->msglen);
if (sscanf(bs->msg, "Hello Director %127s calling", dirname) != 1) {
bs->msg[100] = 0;
Dmsg2(dbglvl, "Bad Hello command from Director at %s: %s\n",
bs->who(), bs->msg);
Jmsg2(jcr, M_FATAL, 0, _("Bad Hello command from Director at %s: %s\n"),
bs->who(), bs->msg);
return 0;
}
director = NULL;
unbash_spaces(dirname);
foreach_res(director, rcode) {
if (bstrcmp(director->hdr.name, dirname)) {
break;
}
}
if (!director) {
Dmsg2(dbglvl, "Connection from unknown Director %s at %s rejected.\n",
dirname, bs->who());
Jmsg(jcr, M_FATAL, 0, _("Connection from unknown Director %s at %s rejected.\n"
"Please see %s for help.\n"),
dirname, bs->who(), MANUAL_AUTH_URL);
free_pool_memory(dirname);
return 0;
}
/*
* TLS Requirement
*/
if (director->tls_enable) {
if (director->tls_require) {
tls_local_need = BNET_TLS_REQUIRED;
} else {
tls_local_need = BNET_TLS_OK;
}
}
if (director->tls_authenticate) {
tls_local_need = BNET_TLS_REQUIRED;
}
if (director->tls_verify_peer) {
verify_list = director->tls_allowed_cns;
}
ASSERT(director->password.encoding == p_encoding_md5);
/*
* Timeout Hello after 10 mins
*/
btimer_t *tid = start_bsock_timer(bs, AUTH_TIMEOUT);
auth_success = cram_md5_challenge(bs, director->password.value, tls_local_need, compatible);
if (auth_success) {
auth_success = cram_md5_respond(bs, director->password.value, &tls_remote_need, &compatible);
if (!auth_success) {
Dmsg1(dbglvl, "cram_get_auth failed with %s\n", bs->who());
}
} else {
Dmsg1(dbglvl, "cram_auth failed with %s\n", bs->who());
}
if (!auth_success) {
Jmsg(jcr, M_FATAL, 0, _("Incorrect password given by Director.\n"
"Please see %s for help.\n"), MANUAL_AUTH_URL);
auth_success = false;
goto auth_fatal;
}
/*
* Verify that the remote host is willing to meet our TLS requirements
*/
if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg0(jcr, M_FATAL, 0, _("Authorization problem: Remote server did not"
" advertize required TLS support.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
/*
* Verify that we are willing to meet the remote host's requirements
*/
if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg0(jcr, M_FATAL, 0, _("Authorization problem: Remote server requires TLS.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
/*
* Engage TLS! Full Speed Ahead!
*/
if (!bnet_tls_server(director->tls_ctx, bs, verify_list)) {
Jmsg(jcr, M_FATAL, 0, _("TLS negotiation failed with DIR at \"%s:%d\"\n"),
bs->host(), bs->port());
auth_success = false;
goto auth_fatal;
}
if (director->tls_authenticate) { /* authenticate with tls only? */
bs->free_tls(); /* yes, shut it down */
}
}
auth_fatal:
stop_bsock_timer(tid);
free_pool_memory(dirname);
jcr->director = director;
return auth_success;
}
/*
* Depending on the initiate parameter perform one of the following:
*
* - First make him prove his identity and then prove our identity to the Remote daemon.
* - First prove our identity to the Remote daemon and then make him prove his identity.
*/
static inline bool two_way_authenticate(BSOCK *bs, JCR *jcr, bool initiate, const char *what)
{
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
bool compatible = true; /* require md5 compatible FD/SD */
bool auth_success = false;
alist *verify_list = NULL;
btimer_t *tid = NULL;
/*
* TLS Requirement
*/
if (me->tls_enable) {
if (me->tls_require) {
tls_local_need = BNET_TLS_REQUIRED;
} else {
tls_local_need = BNET_TLS_OK;
}
}
if (me->tls_authenticate) {
tls_local_need = BNET_TLS_REQUIRED;
}
if (me->tls_verify_peer) {
verify_list = me->tls_allowed_cns;
}
/*
* Timeout Hello after 5 mins
*/
tid = start_bsock_timer(bs, AUTH_TIMEOUT);
/*
* See if we initiate the challenge or respond to a challenge.
*/
if (initiate) {
/*
* Challenge FD/SD
*/
auth_success = cram_md5_challenge(bs, jcr->sd_auth_key, tls_local_need, compatible);
if (auth_success) {
/*
* Respond to his challenge
*/
auth_success = cram_md5_respond(bs, jcr->sd_auth_key, &tls_remote_need, &compatible);
if (!auth_success) {
Dmsg1(dbglvl, "Respond cram-get-auth failed with %s\n", bs->who());
}
} else {
Dmsg1(dbglvl, "Challenge cram-auth failed with %s\n", bs->who());
}
} else {
/*
* Respond to his challenge
*/
auth_success = cram_md5_respond(bs, jcr->sd_auth_key, &tls_remote_need, &compatible);
if (auth_success) {
/*
* Challenge FD/SD
*/
auth_success = cram_md5_challenge(bs, jcr->sd_auth_key, tls_local_need, compatible);
if (!auth_success) {
Dmsg1(dbglvl, "Challenge cram-auth failed with %s\n", bs->who());
}
} else {
Dmsg1(dbglvl, "Respond cram-get-auth failed with %s\n", bs->who());
}
}
if (!auth_success) {
Jmsg(jcr, M_FATAL, 0, _("Incorrect authorization key from %s daemon at %s rejected.\n"
"Please see %s for help.\n"), what, bs->who(), MANUAL_AUTH_URL);
auth_success = false;
goto auth_fatal;
}
/*
* Verify that the remote host is willing to meet our TLS requirements
*/
if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server did not"
" advertize required TLS support.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
/*
* Verify that we are willing to meet the remote host's requirements
*/
if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server requires TLS.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
/*
* Engage TLS! Full Speed Ahead!
*/
if (!bnet_tls_server(me->tls_ctx, bs, verify_list)) {
Jmsg(jcr, M_FATAL, 0, _("TLS negotiation failed with %s daemon at \"%s:%d\"\n"),
what, bs->host(), bs->port());
auth_success = false;
goto auth_fatal;
}
if (me->tls_authenticate) { /* tls authenticate only? */
bs->free_tls(); /* yes, shut it down */
}
}
auth_fatal:
stop_bsock_timer(tid);
jcr->authenticated = auth_success;
return auth_success;
}
/*
* Authenticate Director
*/
int authenticate_director(JCR *jcr, DIRRES *director, CONRES *cons)
{
BSOCK *dir = jcr->dir_bsock;
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
bool tls_authenticate;
int compatible = true;
char bashed_name[MAX_NAME_LENGTH];
char *password;
TLS_CONTEXT *tls_ctx = NULL;
/*
* Send my name to the Director then do authentication
*/
if (cons) {
bstrncpy(bashed_name, cons->hdr.name, sizeof(bashed_name));
bash_spaces(bashed_name);
password = cons->password;
/* TLS Requirement */
if (cons->tls_enable) {
if (cons->tls_require) {
tls_local_need = BNET_TLS_REQUIRED;
} else {
tls_local_need = BNET_TLS_OK;
}
}
if (cons->tls_authenticate) {
tls_local_need = BNET_TLS_REQUIRED;
}
tls_authenticate = cons->tls_authenticate;
tls_ctx = cons->tls_ctx;
} else {
bstrncpy(bashed_name, "*UserAgent*", sizeof(bashed_name));
password = director->password;
/* TLS Requirement */
if (director->tls_enable) {
if (director->tls_require) {
tls_local_need = BNET_TLS_REQUIRED;
} else {
tls_local_need = BNET_TLS_OK;
}
}
if (director->tls_authenticate) {
tls_local_need = BNET_TLS_REQUIRED;
}
tls_authenticate = director->tls_authenticate;
tls_ctx = director->tls_ctx;
}
/* Timeout Hello after 5 mins */
btimer_t *tid = start_bsock_timer(dir, 60 * 5);
dir->fsend(hello, bashed_name);
if (!cram_md5_respond(dir, password, &tls_remote_need, &compatible) ||
!cram_md5_challenge(dir, password, tls_local_need, compatible)) {
goto bail_out;
}
/* Verify that the remote host is willing to meet our TLS requirements */
if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
sendit(_("Authorization problem:"
" Remote server did not advertise required TLS support.\n"));
goto bail_out;
}
/* Verify that we are willing to meet the remote host's requirements */
if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
sendit(_("Authorization problem:"
" Remote server requires TLS.\n"));
goto bail_out;
}
/* Is TLS Enabled? */
if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
/* Engage TLS! Full Speed Ahead! */
if (!bnet_tls_client(tls_ctx, dir, NULL)) {
sendit(_("TLS negotiation failed\n"));
goto bail_out;
}
if (tls_authenticate) { /* Authenticate only? */
dir->free_tls(); /* yes, shutdown tls */
}
}
/*
* It's possible that the TLS connection will
* be dropped here if an invalid client certificate was presented
*/
Dmsg1(6, ">dird: %s", dir->msg);
if (dir->recv() <= 0) {
senditf(_("Bad response to Hello command: ERR=%s\n"),
dir->bstrerror());
goto bail_out;
}
Dmsg1(10, "<dird: %s", dir->msg);
if (strncmp(dir->msg, OKhello, sizeof(OKhello)-1) != 0) {
sendit(_("Director rejected Hello command\n"));
goto bail_out;
} else {
sendit(dir->msg);
}
stop_bsock_timer(tid);
return 1;
bail_out:
stop_bsock_timer(tid);
sendit( _("Director authorization problem.\n"
"Most likely the passwords do not agree.\n"
"If you are using TLS, there may have been a certificate validation error during the TLS handshake.\n"
"Please see " MANUAL_AUTH_URL " for help.\n"));
return 0;
}
int authenticate_filed(JCR *jcr)
{
BSOCK *fd = jcr->file_bsock;
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
int compatible = true; /* require md5 compatible FD */
bool auth_success = false;
alist *verify_list = NULL;
/* TLS Requirement */
if (me->tls_enable) {
if (me->tls_require) {
tls_local_need = BNET_TLS_REQUIRED;
} else {
tls_local_need = BNET_TLS_OK;
}
}
if (me->tls_authenticate) {
tls_local_need = BNET_TLS_REQUIRED;
}
if (me->tls_verify_peer) {
verify_list = me->tls_allowed_cns;
}
/* Timeout Hello after 5 mins */
btimer_t *tid = start_bsock_timer(fd, AUTH_TIMEOUT);
/* Challenge FD */
auth_success = cram_md5_challenge(fd, jcr->sd_auth_key, tls_local_need, compatible);
if (auth_success) {
/* Respond to his challenge */
auth_success = cram_md5_respond(fd, jcr->sd_auth_key, &tls_remote_need, &compatible);
if (!auth_success) {
Dmsg1(dbglvl, "cram-get-auth failed with %s\n", fd->who());
}
} else {
Dmsg1(dbglvl, "cram-auth failed with %s\n", fd->who());
}
if (!auth_success) {
Jmsg(jcr, M_FATAL, 0, _("Incorrect authorization key from File daemon at %s rejected.\n"
"Please see http://www.bacula.org/en/rel-manual/Bacula_Freque_Asked_Questi.html#SECTION003760000000000000000 for help.\n"),
fd->who());
auth_success = false;
goto auth_fatal;
}
/* Verify that the remote host is willing to meet our TLS requirements */
if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server did not"
" advertize required TLS support.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
/* Verify that we are willing to meet the remote host's requirements */
if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server requires TLS.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
/* Engage TLS! Full Speed Ahead! */
if (!bnet_tls_server(me->tls_ctx, fd, verify_list)) {
Jmsg(jcr, M_FATAL, 0, _("TLS negotiation failed with FD at \"%s:%d\"\n"),
fd->host(), fd->port());
auth_success = false;
goto auth_fatal;
}
if (me->tls_authenticate) { /* tls authenticate only? */
fd->free_tls(); /* yes, shut it down */
}
}
auth_fatal:
stop_bsock_timer(tid);
if (!auth_success) {
Jmsg(jcr, M_FATAL, 0, _("Incorrect authorization key from File daemon at %s rejected.\n"
"Please see http://www.bacula.org/en/rel-manual/Bacula_Freque_Asked_Questi.html#SECTION003760000000000000000 for help.\n"),
fd->who());
}
jcr->authenticated = auth_success;
return auth_success;
}
/*
* Here we wait for the File daemon to signal termination,
* then we wait for the Storage daemon. When both
* are done, we return the job status.
* Also used by restore.c
*/
int wait_for_job_termination(JCR *jcr, int timeout)
{
int32_t n = 0;
BSOCK *fd = jcr->file_bsock;
bool fd_ok = false;
uint32_t JobFiles, JobErrors;
uint32_t JobWarnings = 0;
uint64_t ReadBytes = 0;
uint64_t JobBytes = 0;
int VSS = 0;
int Encrypt = 0;
btimer_t *tid=NULL;
set_jcr_job_status(jcr, JS_Running);
if (fd) {
if (timeout) {
tid = start_bsock_timer(fd, timeout); /* TODO: New timeout directive??? */
}
/* Wait for Client to terminate */
while ((n = bget_dirmsg(fd)) >= 0) {
if (!fd_ok &&
(sscanf(fd->msg, EndJob, &jcr->FDJobStatus, &JobFiles,
&ReadBytes, &JobBytes, &JobErrors, &VSS, &Encrypt) == 7 ||
sscanf(fd->msg, OldEndJob, &jcr->FDJobStatus, &JobFiles,
&ReadBytes, &JobBytes, &JobErrors) == 5)) {
fd_ok = true;
set_jcr_job_status(jcr, jcr->FDJobStatus);
Dmsg1(100, "FDStatus=%c\n", (char)jcr->JobStatus);
} else {
Jmsg(jcr, M_WARNING, 0, _("Unexpected Client Job message: %s\n"),
fd->msg);
}
if (job_canceled(jcr)) {
break;
}
}
if (tid) {
stop_bsock_timer(tid);
}
if (is_bnet_error(fd)) {
Jmsg(jcr, M_FATAL, 0, _("Network error with FD during %s: ERR=%s\n"),
job_type_to_str(jcr->get_JobType()), fd->bstrerror());
}
fd->signal(BNET_TERMINATE); /* tell Client we are terminating */
}
/* Force cancel in SD if failing */
if (job_canceled(jcr) || !fd_ok) {
cancel_storage_daemon_job(jcr);
}
/* Note, the SD stores in jcr->JobFiles/ReadBytes/JobBytes/JobErrors */
wait_for_storage_daemon_termination(jcr);
/* Return values from FD */
if (fd_ok) {
jcr->JobFiles = JobFiles;
jcr->JobErrors += JobErrors; /* Keep total errors */
jcr->ReadBytes = ReadBytes;
jcr->JobBytes = JobBytes;
jcr->JobWarnings = JobWarnings;
jcr->VSS = VSS;
jcr->Encrypt = Encrypt;
} else {
Jmsg(jcr, M_FATAL, 0, _("No Job status returned from FD.\n"));
}
// Dmsg4(100, "fd_ok=%d FDJS=%d JS=%d SDJS=%d\n", fd_ok, jcr->FDJobStatus,
// jcr->JobStatus, jcr->SDJobStatus);
/* Return the first error status we find Dir, FD, or SD */
if (!fd_ok || is_bnet_error(fd)) { /* if fd not set, that use !fd_ok */
jcr->FDJobStatus = JS_ErrorTerminated;
}
if (jcr->JobStatus != JS_Terminated) {
return jcr->JobStatus;
}
if (jcr->FDJobStatus != JS_Terminated) {
return jcr->FDJobStatus;
}
return jcr->SDJobStatus;
}
static void read_and_process_input(FILE *input, BSOCK *UA_sock)
{
const char *prompt = "*";
bool at_prompt = false;
int tty_input = isatty(fileno(input));
int status;
btimer_t *tid = NULL;
while (1) {
if (at_prompt) { /* don't prompt multiple times */
prompt = "";
} else {
prompt = "*";
at_prompt = true;
}
if (tty_input) {
status = get_cmd(input, prompt, UA_sock, 30);
if (usrbrk() == 1) {
clrbrk();
}
if (usrbrk()) {
break;
}
} else {
/*
* Reading input from a file
*/
int len = sizeof_pool_memory(UA_sock->msg) - 1;
if (usrbrk()) {
break;
}
if (fgets(UA_sock->msg, len, input) == NULL) {
status = -1;
} else {
sendit(UA_sock->msg); /* echo to terminal */
strip_trailing_junk(UA_sock->msg);
UA_sock->msglen = strlen(UA_sock->msg);
status = 1;
}
}
if (status < 0) {
break; /* error or interrupt */
} else if (status == 0) { /* timeout */
if (bstrcmp(prompt, "*")) {
tid = start_bsock_timer(UA_sock, timeout);
UA_sock->fsend(".messages");
stop_bsock_timer(tid);
} else {
continue;
}
} else {
at_prompt = false;
/*
* @ => internal command for us
*/
if (UA_sock->msg[0] == '@') {
parse_args(UA_sock->msg, &args, &argc, argk, argv, MAX_CMD_ARGS);
if (!do_a_command(input, UA_sock)) {
break;
}
continue;
}
tid = start_bsock_timer(UA_sock, timeout);
if (!UA_sock->send()) { /* send command */
stop_bsock_timer(tid);
break; /* error */
}
stop_bsock_timer(tid);
}
if (bstrcmp(UA_sock->msg, ".quit") || bstrcmp(UA_sock->msg, ".exit")) {
break;
}
tid = start_bsock_timer(UA_sock, timeout);
while ((status = UA_sock->recv()) >= 0 ||
((status == BNET_SIGNAL) && (
(UA_sock->msglen != BNET_EOD) &&
(UA_sock->msglen != BNET_MAIN_PROMPT) &&
(UA_sock->msglen != BNET_SUB_PROMPT)))) {
if (status == BNET_SIGNAL) {
if (UA_sock->msglen == BNET_START_RTREE) {
file_selection = true;
} else if (UA_sock->msglen == BNET_END_RTREE) {
file_selection = false;
}
continue;
}
if (at_prompt) {
if (!stop) {
sendit("\n");
}
at_prompt = false;
}
/*
* Suppress output if running in background or user hit ctl-c
*/
if (!stop && !usrbrk()) {
if (UA_sock->msg) {
sendit(UA_sock->msg);
}
}
}
stop_bsock_timer(tid);
if (usrbrk() > 1) {
break;
} else {
clrbrk();
}
if (!stop) {
fflush(stdout);
}
if (is_bnet_stop(UA_sock)) {
break; /* error or term */
} else if (status == BNET_SIGNAL) {
if (UA_sock->msglen == BNET_SUB_PROMPT) {
at_prompt = true;
}
Dmsg1(100, "Got poll %s\n", bnet_sig_to_ascii(UA_sock));
}
}
}
/*
* Depending on the initiate parameter perform one of the following:
*
* - First make him prove his identity and then prove our identity to the Remote.
* - First prove our identity to the Remote and then make him prove his identity.
*/
bool BSOCK::two_way_authenticate(JCR *jcr, const char *what,
const char *name, s_password &password,
tls_t &tls, bool initiated_by_remote)
{
btimer_t *tid = NULL;
const int dbglvl = 50;
bool compatible = true;
bool auth_success = false;
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
ASSERT(password.encoding == p_encoding_md5);
/*
* TLS Requirement
*/
if (get_tls_enable(tls.ctx)) {
tls_local_need = get_tls_require(tls.ctx) ? BNET_TLS_REQUIRED : BNET_TLS_OK;
}
if (jcr && job_canceled(jcr)) {
Dmsg0(dbglvl, "Failed, because job is canceled.\n");
auth_success = false; /* force quick exit */
goto auth_fatal;
}
/*
* Timeout Hello after 10 min
*/
tid = start_bsock_timer(this, AUTH_TIMEOUT);
/*
* See if we initiate the challenge or respond to a challenge.
*/
if (initiated_by_remote) {
/*
* Challenge Remote.
*/
auth_success = cram_md5_challenge(this, password.value, tls_local_need, compatible);
if (auth_success) {
/*
* Respond to remote challenge
*/
auth_success = cram_md5_respond(this, password.value, &tls_remote_need, &compatible);
if (!auth_success) {
Dmsg1(dbglvl, "Respond cram-get-auth failed with %s\n", who());
}
} else {
Dmsg1(dbglvl, "Challenge cram-auth failed with %s\n", who());
}
} else {
/*
* Respond to remote challenge
*/
auth_success = cram_md5_respond(this, password.value, &tls_remote_need, &compatible);
if (!auth_success) {
Dmsg1(dbglvl, "cram_respond failed for %s\n", who());
} else {
/*
* Challenge Remote.
*/
auth_success = cram_md5_challenge(this, password.value, tls_local_need, compatible);
if (!auth_success) {
Dmsg1(dbglvl, "cram_challenge failed for %s\n", who());
}
}
}
if (!auth_success) {
Jmsg(jcr, M_FATAL, 0, _("Authorization key rejected by %s %s.\n"
"Please see %s for help.\n"),
what, name, MANUAL_AUTH_URL);
goto auth_fatal;
}
if (jcr && job_canceled(jcr)) {
Dmsg0(dbglvl, "Failed, because job is canceled.\n");
auth_success = false; /* force quick exit */
goto auth_fatal;
}
/*
* Verify that the remote host is willing to meet our TLS requirements
*/
if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server did not"
" advertize required TLS support.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
/*
* Verify that we are willing to meet the remote host's requirements
*/
if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server requires TLS.\n"));
Dmsg2(dbglvl, "remote_need=%d local_need=%d\n", tls_remote_need, tls_local_need);
auth_success = false;
goto auth_fatal;
}
if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
alist *verify_list = NULL;
if (tls.verify_peer) {
verify_list = tls.allowed_cns;
}
/*
* See if we are handshaking a passive client connection.
*/
if (initiated_by_remote) {
if (!bnet_tls_server(tls.ctx, this, verify_list)) {
Jmsg(jcr, M_FATAL, 0, _("TLS negotiation failed.\n"));
Dmsg0(dbglvl, "TLS negotiation failed.\n");
auth_success = false;
goto auth_fatal;
}
} else {
if (!bnet_tls_client(tls.ctx, this, tls.verify_peer, verify_list)) {
Jmsg(jcr, M_FATAL, 0, _("TLS negotiation failed.\n"));
Dmsg0(dbglvl, "TLS negotiation failed.\n");
auth_success = false;
goto auth_fatal;
}
}
if (tls.authenticate) { /* tls authentication only? */
free_tls(); /* yes, shutdown tls */
}
}
auth_fatal:
if (tid) {
stop_bsock_timer(tid);
tid = NULL;
}
if (jcr) {
jcr->authenticated = auth_success;
}
return auth_success;
}
