X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=bacula%2Fsrc%2Fconsole%2Fauthenticate.c;h=4eb781447754c4f871d6e2385e3971302a18b3ef;hb=735d035900d19889425fe083cc4a2227df0627c5;hp=fcbed7b946af4fd9f0a964513ef4492670fcd37d;hpb=043dfdbe5bb4cec577c9000959f051b83c270b08;p=bacula%2Fbacula diff --git a/bacula/src/console/authenticate.c b/bacula/src/console/authenticate.c index fcbed7b946..4eb7814477 100644 --- a/bacula/src/console/authenticate.c +++ b/bacula/src/console/authenticate.c @@ -1,3 +1,21 @@ +/* + Bacula(R) - The Network Backup Solution + + Copyright (C) 2000-2017 Kern Sibbald + + The original author of Bacula is Kern Sibbald, with contributions + from many others, a complete list can be found in the file AUTHORS. + + You may use this file and others of this release according to the + license defined in the LICENSE file, which includes the Affero General + Public License, v3.0 ("AGPLv3") and some additional permissions and + terms pursuant to its AGPLv3 Section 7. + + This notice must be preserved when any source code is + conveyed and/or propagated. + + Bacula(R) is a registered trademark of Kern Sibbald. +*/ /* * * Bacula UA authentication. Provides authentication with @@ -10,53 +28,45 @@ * Basic tasks done here: * */ -/* - Copyright (C) 2001-2004 Kern Sibbald and John Walker - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License - as published by the Free Software Foundation; either version 2 - of the License, or (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with this program; if not, write to the Free - Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, - MA 02111-1307, USA. - */ #include "bacula.h" #include "console_conf.h" -#include "jcr.h" +/* + * Version at end of Hello + * prior to 06Aug13 no version + * 100 14Feb17 - added comm line compression + */ +#define UA_VERSION 100 void senditf(const char *fmt, ...); void sendit(const char *buf); /* Commands sent to Director */ -static char hello[] = N_("Hello %s calling\n"); +static char hello[] = "Hello %s calling %d\n"; /* Response from Director */ -static char OKhello[] = N_("1000 OK:"); +static char oldOKhello[] = "1000 OK:"; +static char newOKhello[] = "1000 OK: %d"; +static char FDOKhello[] = "2000 OK Hello %d"; /* Forward referenced functions */ /* * Authenticate Director */ -int authenticate_director(JCR *jcr, DIRRES *director, CONRES *cons) +int authenticate_director(BSOCK *dir, 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; + int dir_version = 0; + int fd_version = 0; char bashed_name[MAX_NAME_LENGTH]; char *password; TLS_CONTEXT *tls_ctx = NULL; - + /* * Send my name to the Director then do authentication */ @@ -72,7 +82,10 @@ int authenticate_director(JCR *jcr, DIRRES *director, CONRES *cons) 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)); @@ -86,16 +99,20 @@ int authenticate_director(JCR *jcr, DIRRES *director, CONRES *cons) } } + 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); - bnet_fsend(dir, hello, bashed_name); - if (!cram_md5_get_auth(dir, password, &tls_remote_need) || - !cram_md5_auth(dir, password, tls_local_need)) { + /* Timeout Hello after 15 secs */ + btimer_t *tid = start_bsock_timer(dir, 15); + dir->fsend(hello, bashed_name, UA_VERSION); + + if (!cram_md5_respond(dir, password, &tls_remote_need, &compatible) || + !cram_md5_challenge(dir, password, tls_local_need, compatible)) { goto bail_out; } @@ -114,13 +131,14 @@ int authenticate_director(JCR *jcr, DIRRES *director, CONRES *cons) } /* Is TLS Enabled? */ - if (have_tls) { - 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)) { - sendit(_("TLS negotiation failed\n")); - goto bail_out; - } + 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 */ } } @@ -129,19 +147,31 @@ int authenticate_director(JCR *jcr, DIRRES *director, CONRES *cons) * be dropped here if an invalid client certificate was presented */ Dmsg1(6, ">dird: %s", dir->msg); - if (bnet_recv(dir) <= 0) { + if (dir->recv() <= 0) { senditf(_("Bad response to Hello command: ERR=%s\n"), - bnet_strerror(dir)); + dir->bstrerror()); goto bail_out; } Dmsg1(10, "msg); - if (strncmp(dir->msg, OKhello, sizeof(OKhello)-1) != 0) { + if (strncmp(dir->msg, oldOKhello, sizeof(oldOKhello)-1) == 0) { + /* If Dir version exists, get it */ + sscanf(dir->msg, newOKhello, &dir_version); + sendit(dir->msg); + /* Check for hello from FD */ + } else if (sscanf(dir->msg, FDOKhello, &fd_version) == 1) { + sendit(dir->msg); + } else { sendit(_("Director rejected Hello command\n")); goto bail_out; + } + /* Turn on compression for newer Directors */ + if (dir_version >= 103 && (!cons || cons->comm_compression)) { + dir->set_compress(); } else { - sendit(dir->msg); + dir->clear_compress(); } + /* ***FIXME*** should turn on compression for FD if possible */ stop_bsock_timer(tid); return 1; @@ -150,6 +180,6 @@ bail_out: 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 http://www.bacula.org/rel-manual/faq.html#AuthorizationErrors for help.\n")); + "For help, please see " MANUAL_AUTH_URL "\n")); return 0; }