LCOV - code coverage report
Current view: top level - src/client - main.c (source / functions) Hit Total Coverage
Test: burp-coverage-clean.info Lines: 0 257 0.0 %
Date: 2019-11-30 11:33:35 Functions: 0 8 0.0 %

          Line data    Source code
       1             : #include "../burp.h"
       2             : #include "../conffile.h"
       3             : #include "../action.h"
       4             : #include "../asfd.h"
       5             : #include "../async.h"
       6             : #include "../cmd.h"
       7             : #include "../cntr.h"
       8             : #include "../fsops.h"
       9             : #include "../handy.h"
      10             : #include "../iobuf.h"
      11             : #include "../log.h"
      12             : #include "../run_script.h"
      13             : #include "auth.h"
      14             : #include "backup.h"
      15             : #include "ca.h"
      16             : #include "delete.h"
      17             : #include "extra_comms.h"
      18             : #include "list.h"
      19             : #include "monitor.h"
      20             : #include "find_logic.h"
      21             : #include "monitor/status_client_ncurses.h"
      22             : #include "protocol2/restore.h"
      23             : #include "restore.h"
      24             : #include "main.h"
      25             : 
      26             : #ifndef HAVE_WIN32
      27             : #include <sys/utsname.h>
      28             : #endif
      29             : 
      30             : // These will also be used as the exit codes of the program and are therefore
      31             : // unsigned integers.
      32             : // Remember to update the man page if you update these.
      33             : enum cliret
      34             : {
      35             :         CLIENT_OK=0,
      36             :         CLIENT_ERROR=1,
      37             :         CLIENT_RESTORE_WARNINGS=2,
      38             :         CLIENT_SERVER_TIMER_NOT_MET=3,
      39             :         CLIENT_COULD_NOT_CONNECT=4,
      40             :         // This one happens after a successful certificate signing request so
      41             :         // that it connects again straight away with the new key/certificate.
      42             :         CLIENT_RECONNECT=100
      43             : };
      44             : 
      45             : struct tchk
      46             : {
      47             :         int resume;
      48             :         enum cliret ret;
      49             : };
      50             : 
      51           0 : static enum asl_ret maybe_check_timer_func(struct asfd *asfd,
      52             :         struct conf **confs, void *param)
      53             : {
      54           0 :         int complen=0;
      55           0 :         struct tchk *tchk=(struct tchk *)param;
      56             : 
      57           0 :         if(!strcmp(asfd->rbuf->buf, "timer conditions not met"))
      58             :         {
      59           0 :                 logp("Timer conditions on the server were not met\n");
      60           0 :                 tchk->ret=CLIENT_SERVER_TIMER_NOT_MET;
      61           0 :                 return ASL_END_OK;
      62             :         }
      63           0 :         else if(!strcmp(asfd->rbuf->buf, "timer conditions met"))
      64             :         {
      65             :                 // Only happens on 'timer check only'.
      66           0 :                 logp("Timer conditions on the server were met\n");
      67           0 :                 tchk->ret=CLIENT_OK;
      68           0 :                 return ASL_END_OK;
      69             :         }
      70             : 
      71           0 :         if(!strncmp_w(asfd->rbuf->buf, "ok"))
      72             :                 complen=3;
      73           0 :         else if(!strncmp_w(asfd->rbuf->buf, "resume"))
      74             :         {
      75           0 :                 complen=7;
      76           0 :                 tchk->resume=1;
      77           0 :                 logp("server wants to resume previous backup.\n");
      78             :         }
      79             :         else
      80             :         {
      81           0 :                 iobuf_log_unexpected(asfd->rbuf, __func__);
      82           0 :                 return ASL_END_ERROR;
      83             :         }
      84             : 
      85             :         // The server now tells us the compression level in the OK response.
      86           0 :         if(strlen(asfd->rbuf->buf)>3)
      87           0 :                 set_int(confs[OPT_COMPRESSION], atoi(asfd->rbuf->buf+complen));
      88           0 :         logp("Compression level: %d\n",
      89             :                 get_int(confs[OPT_COMPRESSION]));
      90             : 
      91           0 :         return ASL_END_OK;
      92             : }
      93             : 
      94           0 : static enum cliret maybe_check_timer(struct asfd *asfd,
      95             :         const char *phase1str, struct conf **confs, int *resume)
      96             : {
      97             :         struct tchk tchk;
      98           0 :         memset(&tchk, 0, sizeof(tchk));
      99           0 :         if(asfd->write_str(asfd, CMD_GEN, phase1str))
     100             :                 return CLIENT_ERROR;
     101             : 
     102           0 :         if(asfd->simple_loop(asfd, confs, &tchk,
     103             :                 __func__, maybe_check_timer_func)) return CLIENT_ERROR;
     104           0 :         *resume=tchk.resume;
     105           0 :         return tchk.ret;
     106             : }
     107             : 
     108           0 : static enum cliret backup_wrapper(struct asfd *asfd,
     109             :         enum action action, const char *phase1str,
     110             :         const char *incexc, struct conf **confs)
     111             : {
     112           0 :         int resume=0;
     113           0 :         enum cliret ret=CLIENT_OK;
     114           0 :         const char *b_script_pre=get_string(confs[OPT_B_SCRIPT_PRE]);
     115           0 :         const char *b_script_post=get_string(confs[OPT_B_SCRIPT_POST]);
     116             : 
     117             :         // Set bulk packets quality of service flags on backup.
     118           0 :         if(incexc)
     119             :         {
     120           0 :                 logp("Server is overriding the configuration\n");
     121           0 :                 logp("with the following settings:\n");
     122           0 :                 if(log_incexcs_buf(incexc)) goto error;
     123             :         }
     124           0 :         if(!get_strlist(confs[OPT_STARTDIR]))
     125             :         {
     126           0 :                 logp("Found no include paths!\n");
     127           0 :                 goto error;
     128             :         }
     129             : 
     130           0 :         switch(maybe_check_timer(asfd, phase1str, confs, &resume))
     131             :         {
     132             :                 case CLIENT_OK:
     133           0 :                         if(action==ACTION_TIMER_CHECK) goto end;
     134             :                         break;
     135             :                 case CLIENT_SERVER_TIMER_NOT_MET:
     136             :                         goto timer_not_met;
     137             :                 default:
     138             :                         goto error;
     139             :         }
     140             : 
     141           0 :         if(b_script_pre)
     142             :         {
     143           0 :                 int a=0;
     144             :                 const char *args[12];
     145           0 :                 args[a++]=b_script_pre;
     146           0 :                 if(get_int(confs[OPT_B_SCRIPT_RESERVED_ARGS]))
     147             :                 {
     148           0 :                         args[a++]="pre";
     149           0 :                         args[a++]="reserved2";
     150           0 :                         args[a++]="reserved3";
     151           0 :                         args[a++]="reserved4";
     152           0 :                         args[a++]="reserved5";
     153             :                 }
     154           0 :                 args[a++]=NULL;
     155           0 :                 if(run_script(asfd,
     156             :                         args, get_strlist(confs[OPT_B_SCRIPT_PRE_ARG]),
     157             :                         confs, 1, 1, 1))
     158           0 :                                  ret=CLIENT_ERROR;
     159             : 
     160           0 :                 if(get_int(confs[OPT_GLOB_AFTER_SCRIPT_PRE]))
     161             :                 {
     162           0 :                         if(reeval_glob(confs))
     163           0 :                                 ret=CLIENT_ERROR;
     164             :                 }
     165             :         }
     166             : 
     167           0 :         if(ret==CLIENT_OK && do_backup_client(asfd,
     168           0 :                 confs, action, resume)) ret=CLIENT_ERROR;
     169             : 
     170           0 :         if((ret==CLIENT_OK || get_int(confs[OPT_B_SCRIPT_POST_RUN_ON_FAIL]))
     171           0 :           && b_script_post)
     172             :         {
     173           0 :                 int a=0;
     174             :                 const char *args[12];
     175           0 :                 args[a++]=b_script_post;
     176           0 :                 if(get_int(confs[OPT_B_SCRIPT_RESERVED_ARGS]))
     177             :                 {
     178           0 :                         args[a++]="post";
     179             :                         // Tell post script whether the restore failed.
     180           0 :                         args[a++]=ret?"1":"0";
     181           0 :                         args[a++]="reserved3";
     182           0 :                         args[a++]="reserved4";
     183           0 :                         args[a++]="reserved5";
     184             :                 }
     185           0 :                 args[a++]=NULL;
     186             :                 // At this point, the server may have closed the connection,
     187             :                 // so cannot log remotely.
     188           0 :                 if(run_script(asfd,
     189             :                         args, get_strlist(confs[OPT_B_SCRIPT_POST_ARG]),
     190             :                         confs, 1, 1, /*log_remote*/ 0))
     191           0 :                                 ret=CLIENT_ERROR;
     192             :         }
     193             : 
     194           0 :         if(ret==CLIENT_OK) logp("backup finished ok\n");
     195             : 
     196             : end:
     197             :         // The include_logic/exclude_logic cache may have been populated
     198             :         // during backup so we clean it here
     199           0 :         free_logic_cache();
     200           0 :         return ret;
     201             : error:
     202           0 :         logp("error in backup\n");
     203           0 :         return CLIENT_ERROR;
     204             : timer_not_met:
     205             :         return CLIENT_SERVER_TIMER_NOT_MET;
     206             : }
     207             : 
     208             : static int s_server_session_id_context=1;
     209             : 
     210           0 : static int ssl_setup(int *rfd, SSL **ssl, SSL_CTX **ctx,
     211             :         enum action action, struct conf **confs, const char *server,
     212             :         struct strlist *failover)
     213             : {
     214           0 :         int ret=-1;
     215           0 :         int port=0;
     216           0 :         char portstr[8]="";
     217           0 :         BIO *sbio=NULL;
     218           0 :         ssl_load_globals();
     219           0 :         char *cp=NULL;
     220           0 :         char *server_copy=NULL;
     221             : 
     222           0 :         if(!(server_copy=strdup_w(server, __func__)))
     223             :                 goto end;
     224             : 
     225           0 :         if(!(*ctx=ssl_initialise_ctx(confs)))
     226             :         {
     227           0 :                 logp("error initialising ssl ctx\n");
     228             :                 goto end;
     229             :         }
     230             : 
     231           0 :         if((cp=strrchr(server_copy, ':')))
     232             :         {
     233           0 :                 *cp='\0';
     234           0 :                 port=atoi(cp+1);
     235             :         }
     236             : 
     237           0 :         SSL_CTX_set_session_id_context(*ctx,
     238             :                 (const uint8_t *)&s_server_session_id_context,
     239             :                 sizeof(s_server_session_id_context));
     240             : 
     241           0 :         switch(action)
     242             :         {
     243             :                 case ACTION_BACKUP:
     244             :                 case ACTION_BACKUP_TIMED:
     245             :                 case ACTION_TIMER_CHECK:
     246           0 :                         if(get_int(confs[OPT_PORT_BACKUP]))
     247           0 :                                 port=get_int(confs[OPT_PORT_BACKUP]);
     248             :                         break;
     249             :                 case ACTION_RESTORE:
     250           0 :                         if(get_int(confs[OPT_PORT_RESTORE]))
     251           0 :                                 port=get_int(confs[OPT_PORT_RESTORE]);
     252             :                         break;
     253             :                 case ACTION_VERIFY:
     254           0 :                         if(get_int(confs[OPT_PORT_VERIFY]))
     255           0 :                                 port=get_int(confs[OPT_PORT_VERIFY]);
     256             :                         break;
     257             :                 case ACTION_LIST:
     258             :                 case ACTION_LIST_LONG:
     259             :                 case ACTION_LIST_PARSEABLE:
     260             :                 case ACTION_DIFF:
     261             :                 case ACTION_DIFF_LONG:
     262           0 :                         if(get_int(confs[OPT_PORT_LIST]))
     263           0 :                                 port=get_int(confs[OPT_PORT_LIST]);
     264             :                         break;
     265             :                 case ACTION_DELETE:
     266           0 :                         if(get_int(confs[OPT_PORT_DELETE]))
     267           0 :                                 port=get_int(confs[OPT_PORT_DELETE]);
     268             :                         break;
     269             :                 case ACTION_MONITOR:
     270             :                 {
     271             :                         struct strlist *s;
     272           0 :                         if(!(s=get_strlist(confs[OPT_STATUS_PORT])))
     273             :                         {
     274           0 :                                 logp("%s not set\n",
     275           0 :                                         confs[OPT_STATUS_PORT]->field);
     276             :                                 goto end;
     277             :                         }
     278           0 :                         port=atoi(s->path);
     279             :                         break;
     280             :                 }
     281             :                 case ACTION_CHAMP_CHOOSER:
     282             :                 case ACTION_ESTIMATE:
     283             :                 case ACTION_STATUS:
     284             :                 case ACTION_STATUS_SNAPSHOT:
     285           0 :                         logp("Unexpected action in %s: %d\n",
     286             :                                 __func__, action);
     287             :                         goto end;
     288             :         }
     289             : 
     290           0 :         snprintf(portstr, sizeof(portstr), "%d", port);
     291           0 :         if((*rfd=init_client_socket(server_copy, portstr))<0)
     292             :                 goto end;
     293             : 
     294           0 :         if(!(*ssl=SSL_new(*ctx))
     295           0 :           || !(sbio=BIO_new_socket(*rfd, BIO_NOCLOSE)))
     296             :         {
     297           0 :                 logp_ssl_err("Problem joining SSL to the socket\n");
     298             :                 goto end;
     299             :         }
     300           0 :         SSL_set_bio(*ssl, sbio, sbio);
     301           0 :         if(SSL_connect(*ssl)<=0)
     302             :         {
     303           0 :                 logp_ssl_err("SSL connect error\n");
     304             :                 goto end;
     305             :         }
     306             : 
     307             :         ret=0;
     308             : end:
     309           0 :         free_w(&server_copy);
     310           0 :         return ret;
     311             : }
     312             : 
     313           0 : static enum cliret initial_comms(struct async *as,
     314             :         enum action *action, char **incexc, struct conf **confs,
     315             :         struct strlist *failover)
     316             : {
     317             :         struct asfd *asfd;
     318           0 :         char *server_version=NULL;
     319           0 :         enum cliret ret=CLIENT_OK;
     320           0 :         asfd=as->asfd;
     321             : 
     322           0 :         if(authorise_client(asfd, &server_version,
     323           0 :           get_string(confs[OPT_CNAME]),
     324           0 :           get_string(confs[OPT_PASSWORD]),
     325             :           get_cntr(confs)))
     326             :                 goto error;
     327             : 
     328           0 :         if(server_version)
     329             :         {
     330           0 :                 logp("Server version: %s\n", server_version);
     331             :                 // Servers before 1.3.2 did not tell us their versions.
     332             :                 // 1.3.2 and above can do the automatic CA stuff that
     333             :                 // follows.
     334           0 :                 switch(ca_client_setup(asfd, confs))
     335             :                 {
     336             :                         case 0:
     337             :                                 break; // All OK.
     338             :                         case 1:
     339             :                                 // Certificate signed successfully.
     340             :                                 // Everything is OK, but we will reconnect now,
     341             :                                 // in order to use the new keys/certificates.
     342             :                                 goto reconnect;
     343             :                         default:
     344           0 :                                 logp("Error with cert signing request\n");
     345           0 :                                 goto error;
     346             :                 }
     347             :         }
     348             : 
     349           0 :         if(ssl_check_cert(asfd->ssl, NULL, confs))
     350             :         {
     351           0 :                 logp("check cert failed\n");
     352           0 :                 goto error;
     353             :         }
     354             : 
     355           0 :         if(extra_comms_client(as, confs, action, failover, incexc))
     356             :         {
     357           0 :                 logp("extra comms failed\n");
     358           0 :                 goto error;
     359             :         }
     360             : 
     361             :         ret=CLIENT_OK; goto end;
     362             : error:
     363             :         ret=CLIENT_ERROR; goto end;
     364             : reconnect:
     365             :         ret=CLIENT_RECONNECT; goto end;
     366             : end:
     367           0 :         free_w(&server_version);
     368           0 :         return ret;
     369             : }
     370             : 
     371           0 : static enum cliret restore_wrapper(struct asfd *asfd, enum action action,
     372             :         struct conf **confs)
     373             : {
     374           0 :         enum cliret ret=CLIENT_OK;
     375           0 :         const char *r_script_pre=get_string(confs[OPT_R_SCRIPT_PRE]);
     376           0 :         const char *r_script_post=get_string(confs[OPT_R_SCRIPT_POST]);
     377             : 
     378           0 :         if(r_script_pre)
     379             :         {
     380           0 :                 int a=0;
     381             :                 const char *args[12];
     382           0 :                 args[a++]=r_script_pre;
     383           0 :                 if(get_int(confs[OPT_R_SCRIPT_RESERVED_ARGS]))
     384             :                 {
     385           0 :                         args[a++]="pre";
     386           0 :                         args[a++]="reserved2";
     387           0 :                         args[a++]="reserved3";
     388           0 :                         args[a++]="reserved4";
     389           0 :                         args[a++]="reserved5";
     390             :                 }
     391           0 :                 args[a++]=NULL;
     392           0 :                 if(run_script(asfd,
     393             :                         args, get_strlist(confs[OPT_R_SCRIPT_PRE_ARG]),
     394             :                         confs, 1, 1, 1))
     395           0 :                                 ret=CLIENT_ERROR;
     396             :         }
     397           0 :         if(ret==CLIENT_OK)
     398             :         {
     399           0 :                 if(do_restore_client(asfd, confs,
     400           0 :                         action)) ret=CLIENT_ERROR;
     401             :         }
     402           0 :         if((ret==CLIENT_OK || get_int(confs[OPT_R_SCRIPT_POST_RUN_ON_FAIL]))
     403           0 :           && r_script_post)
     404             :         {
     405           0 :                 int a=0;
     406             :                 const char *args[12];
     407           0 :                 args[a++]=r_script_post;
     408           0 :                 if(get_int(confs[OPT_R_SCRIPT_RESERVED_ARGS]))
     409             :                 {
     410           0 :                         args[a++]="post";
     411             :                         // Tell post script whether the restore failed.
     412           0 :                         args[a++]=ret?"1":"0";
     413           0 :                         args[a++]="reserved3";
     414           0 :                         args[a++]="reserved4";
     415           0 :                         args[a++]="reserved5";
     416             :                 }
     417           0 :                 args[a++]=NULL;
     418           0 :                 if(run_script(asfd,
     419             :                         args, get_strlist(confs[OPT_R_SCRIPT_POST_ARG]),
     420             :                         confs, 1, 1, /*log_remote*/ 0))
     421           0 :                                 ret=CLIENT_ERROR;
     422             :         }
     423             : 
     424             :         // Return non-zero if there were warnings,
     425             :         // so that the test script can easily check.
     426           0 :         if(ret==CLIENT_OK && get_cntr(confs)->ent[CMD_WARNING]->count)
     427           0 :                 ret=CLIENT_RESTORE_WARNINGS;
     428             : 
     429           0 :         return ret;
     430             : }
     431             : 
     432           0 : static enum cliret do_client(struct conf **confs,
     433             :         enum action action, const char *server,
     434             :         struct strlist *failover)
     435             : {
     436           0 :         enum cliret ret=CLIENT_OK;
     437           0 :         int rfd=-1;
     438           0 :         SSL *ssl=NULL;
     439           0 :         SSL_CTX *ctx=NULL;
     440           0 :         struct cntr *cntr=NULL;
     441           0 :         char *incexc=NULL;
     442           0 :         enum action act=action;
     443           0 :         struct async *as=NULL;
     444           0 :         struct asfd *asfd=NULL;
     445             : 
     446             : //      as->settimers(0, 100);
     447             : 
     448             : //      logp("begin client\n");
     449             : //      logp("action %d\n", action);
     450             : 
     451             :         // Status monitor forks a child process instead of connecting to
     452             :         // the server directly.
     453           0 :         if(action==ACTION_STATUS
     454           0 :           || action==ACTION_STATUS_SNAPSHOT)
     455             :         {
     456             : #ifdef HAVE_WIN32
     457             :                 logp("Status mode not implemented on Windows.\n");
     458             :                 goto error;
     459             : #endif
     460           0 :                 if(status_client_ncurses_init(act)
     461           0 :                   || status_client_ncurses(confs)) ret=CLIENT_ERROR;
     462             :                 goto end;
     463             :         }
     464             : 
     465           0 :         if(!(cntr=cntr_alloc())
     466           0 :           || cntr_init(cntr, get_string(confs[OPT_CNAME]), getpid()))
     467             :                 goto error;
     468           0 :         set_cntr(confs[OPT_CNTR], cntr);
     469             : 
     470           0 :         if(act!=ACTION_ESTIMATE)
     471             :         {
     472           0 :                 if(ssl_setup(&rfd,
     473             :                         &ssl, &ctx, action, confs, server, failover))
     474             :                                 goto could_not_connect;
     475             : 
     476           0 :                 if(!(as=async_alloc())
     477           0 :                   || as->init(as, act==ACTION_ESTIMATE)
     478           0 :                   || !(asfd=setup_asfd_ssl(as, "main socket", &rfd, ssl)))
     479             :                         goto end;
     480           0 :                 asfd->set_timeout(asfd, get_int(confs[OPT_NETWORK_TIMEOUT]));
     481           0 :                 asfd->ratelimit=get_float(confs[OPT_RATELIMIT]);
     482             : 
     483             :                 // Set quality of service bits on backup packets.
     484           0 :                 if(act==ACTION_BACKUP
     485           0 :                                 || act==ACTION_BACKUP_TIMED
     486           0 :                                 || act==ACTION_TIMER_CHECK)
     487           0 :                         as->asfd->set_bulk_packets(as->asfd);
     488             : 
     489           0 :                 if((ret=initial_comms(as, &act, &incexc, confs, failover)))
     490             :                         goto end;
     491             :         }
     492             : 
     493           0 :         rfd=-1;
     494           0 :         switch(act)
     495             :         {
     496             :                 case ACTION_BACKUP:
     497           0 :                         ret=backup_wrapper(asfd, act, "backupphase1",
     498             :                           incexc, confs);
     499           0 :                         break;
     500             :                 case ACTION_BACKUP_TIMED:
     501           0 :                         ret=backup_wrapper(asfd, act, "backupphase1timed",
     502             :                           incexc, confs);
     503           0 :                         break;
     504             :                 case ACTION_TIMER_CHECK:
     505           0 :                         ret=backup_wrapper(asfd, act, "backupphase1timedcheck",
     506             :                           incexc, confs);
     507           0 :                         break;
     508             :                 case ACTION_RESTORE:
     509             :                 case ACTION_VERIFY:
     510           0 :                         ret=restore_wrapper(asfd, act, confs);
     511           0 :                         break;
     512             :                 case ACTION_ESTIMATE:
     513           0 :                         if(do_backup_client(asfd, confs, act, 0))
     514             :                                 goto error;
     515             :                         break;
     516             :                 case ACTION_DELETE:
     517           0 :                         if(do_delete_client(asfd, confs))
     518             :                                 goto error;
     519             :                         break;
     520             :                 case ACTION_MONITOR:
     521           0 :                         if(do_monitor_client(asfd))
     522             :                                 goto error;
     523             :                         break;
     524             :                 case ACTION_DIFF:
     525             :                 case ACTION_DIFF_LONG:
     526             : /*
     527             :                         if(!strcmp(get_string(confs[OPT_BACKUP2]), "n"))
     528             :                                 // Do a phase1 scan and diff that.
     529             :                                 ret=backup_wrapper(asfd, act,
     530             :                                         "backupphase1diff", incexc, confs);
     531             :                         else
     532             : */
     533             :                         // Diff two backups that already exist.
     534             :                         // Fall through, the list code is all we need
     535             :                         // for simple diffs on the client side.
     536             :                 case ACTION_LIST:
     537             :                 case ACTION_LIST_LONG:
     538             :                 case ACTION_LIST_PARSEABLE:
     539             :                 default:
     540           0 :                         if(do_list_client(asfd, act, confs)) goto error;
     541             :                         break;
     542             :         }
     543             : 
     544           0 :         if(asfd_flush_asio(asfd))
     545           0 :                 ret=CLIENT_ERROR;
     546             : 
     547             :         goto end;
     548             : error:
     549             :         ret=CLIENT_ERROR; goto end;
     550             : could_not_connect:
     551             :         ret=CLIENT_COULD_NOT_CONNECT;
     552             : end:
     553           0 :         close_fd(&rfd);
     554           0 :         async_free(&as);
     555           0 :         asfd_free(&asfd);
     556           0 :         if(ctx) ssl_destroy_ctx(ctx);
     557           0 :         free_w(&incexc);
     558           0 :         set_cntr(confs[OPT_CNTR], NULL);
     559           0 :         cntr_free(&cntr);
     560             : 
     561             :         //logp("end client\n");
     562           0 :         return ret;
     563             : }
     564             : 
     565           0 : int client(struct conf **confs,
     566             :         enum action action)
     567             : {
     568           0 :         int finished=0;
     569           0 :         enum cliret ret=CLIENT_OK;
     570           0 :         const char *server=NULL;
     571           0 :         struct strlist *failover=NULL;
     572             : 
     573           0 :         if(!get_int(confs[OPT_ENABLED]))
     574             :         {
     575           0 :                 logp("Client not enabled\n");
     576           0 :                 return ret;
     577             :         }
     578             : 
     579             : #ifdef HAVE_WIN32
     580             :         // prevent sleep when idle
     581             :         SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED);
     582             : #endif
     583           0 :         server=get_string(confs[OPT_SERVER]);
     584           0 :         failover=get_strlist(confs[OPT_SERVER_FAILOVER]);
     585             : 
     586           0 :         while(!finished)
     587             :         {
     588           0 :                 ret=do_client(confs,
     589             :                         action, server, failover);
     590           0 :                 if(ret==CLIENT_RECONNECT)
     591             :                 {
     592           0 :                         logp("Re-opening connection to %s\n", server);
     593           0 :                         sleep(5);
     594           0 :                         ret=do_client(confs,
     595             :                                 action, server, failover);
     596             :                 }
     597           0 :                 switch(ret)
     598             :                 {
     599             :                         case CLIENT_OK:
     600             :                         case CLIENT_SERVER_TIMER_NOT_MET:
     601             :                         case CLIENT_RESTORE_WARNINGS:
     602           0 :                                 finished=1;
     603           0 :                                 break;
     604             :                         case CLIENT_ERROR:
     605           0 :                                 if(action!=ACTION_BACKUP
     606           0 :                                   && action!=ACTION_BACKUP_TIMED)
     607             :                                 {
     608             :                                         finished=1;
     609             :                                         break;
     610             :                                 }
     611           0 :                                 if(!get_int(
     612             :                                         confs[OPT_FAILOVER_ON_BACKUP_ERROR]))
     613             :                                 {
     614             :                                         finished=1;
     615             :                                         break;
     616             :                                 }
     617             :                                 // Fall through to failover.
     618             :                         case CLIENT_COULD_NOT_CONNECT:
     619           0 :                                 if(!failover)
     620             :                                 {
     621             :                                         finished=1;
     622             :                                         break;
     623             :                                 }
     624           0 :                                 logp("Failing over\n");
     625             :                                 // Use a failover server.
     626           0 :                                 server=failover->path;
     627           0 :                                 failover=failover->next;
     628           0 :                                 break;
     629             :                         case CLIENT_RECONNECT:
     630           0 :                                 logp("Multiple reconnect requests to %s- this should not happen!", server);
     631           0 :                                 finished=1;
     632           0 :                                 break;
     633             :                 }
     634             :         }
     635             : 
     636             : #ifdef HAVE_WIN32
     637             :         // allow sleep when idle
     638             :         SetThreadExecutionState(ES_CONTINUOUS);
     639             : #endif
     640             : 
     641             :         // See enum cliret for return codes.
     642           0 :         return (int)ret;
     643             : }

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