// The return code of this is the return code of the standalone process.
int champ_chooser_server_standalone(struct conf **globalcs)
{
int ret=1;
struct sdirs *sdirs=NULL;
struct conf **cconfs=NULL;
const char *orig_client=get_string(globalcs[OPT_ORIG_CLIENT]);
if(!(cconfs=confs_alloc()))
goto end;
confs_init(cconfs);
// We need to be given a client name and load the relevant server side
// clientconfdir file, because various settings may be overridden
// there.
if(set_string(cconfs[OPT_CNAME], orig_client)
|| conf_load_clientconfdir(globalcs, cconfs)
|| !(sdirs=sdirs_alloc())
|| sdirs_init_from_confs(sdirs, cconfs)
|| champ_chooser_server(sdirs, cconfs, 0 /* resume */))
goto end;
ret=0;
end:
confs_free(&cconfs);
sdirs_free(&sdirs);
return ret;
}
static int check_client_and_password(struct conf **globalcs,
const char *password, struct conf **cconfs)
{
const char *cname;
int password_check;
// Cannot load it until here, because we need to have the name of the
// client.
if(conf_load_clientconfdir(globalcs, cconfs)) return -1;
cname=get_string(cconfs[OPT_CNAME]);
password_check=get_int(cconfs[OPT_PASSWORD_CHECK]);
if(!get_string(cconfs[OPT_SSL_PEER_CN]))
{
logp("ssl_peer_cn unset");
if(cname)
{
logp("Falling back to using '%s'\n", cname);
if(set_string(cconfs[OPT_SSL_PEER_CN], cname))
return -1;
}
}
cname=get_string(cconfs[OPT_CNAME]);
if(password_check)
{
const char *conf_passwd=get_string(cconfs[OPT_PASSWD]);
const char *conf_password=get_string(cconfs[OPT_PASSWORD]);
if(!conf_password && !conf_passwd)
{
logp("password rejected for client %s\n", cname);
return -1;
}
// check against plain text
if(conf_password && strcmp(conf_password, password))
{
logp("password rejected for client %s\n", cname);
return -1;
}
// check against encypted passwd
if(conf_passwd && !check_passwd(conf_passwd, password))
{
logp("password rejected for client %s\n", cname);
return -1;
}
}
if(!get_strlist(cconfs[OPT_KEEP]))
{
logp("%s: you cannot set the keep value for a client to 0!\n",
cname);
return -1;
}
return 0;
}
// FIX THIS: need to unit test this.
static int do_conf_switch_to_orig_client(struct conf **globalcs,
struct conf **cconfs, const char *orig_client, const char *buf)
{
int ret=-1;
int loadrc;
struct conf **sconfs=NULL;
if(!(sconfs=confs_alloc())
|| confs_init(sconfs)) goto end;
if(set_string(sconfs[OPT_CNAME], orig_client))
goto end;
logp("Client wants to switch to client: %s\n",
get_string(sconfs[OPT_CNAME]));
// Allow unit testing using a buffer.
#ifdef UTEST
if(buf) loadrc=conf_load_overrides_buf(globalcs, sconfs, buf);
else
#endif
loadrc=conf_load_clientconfdir(globalcs, sconfs);
if(loadrc)
{
logp("Could not load alternate config: %s",
get_string(sconfs[OPT_CNAME]));
goto end;
}
set_int(sconfs[OPT_SEND_CLIENT_CNTR],
get_int(cconfs[OPT_SEND_CLIENT_CNTR]));
if(!restore_client_allowed(cconfs, sconfs))
goto end;
if(set_string(sconfs[OPT_RESTORE_PATH],
get_string(cconfs[OPT_RESTORE_PATH])))
goto end;
if(set_string(cconfs[OPT_RESTORE_PATH], NULL))
goto end;
set_cntr(sconfs[OPT_CNTR], get_cntr(cconfs[OPT_CNTR]));
set_cntr(cconfs[OPT_CNTR], NULL);
confs_free_content(cconfs);
confs_init(cconfs);
confs_memcpy(cconfs, sconfs);
confs_null(sconfs);
if(set_string(cconfs[OPT_RESTORE_CLIENT],
get_string(cconfs[OPT_CNAME]))) goto end;
if(set_string(cconfs[OPT_ORIG_CLIENT],
get_string(cconfs[OPT_CNAME]))) goto end;
logp("Switched to client %s\n", get_string(cconfs[OPT_CNAME]));
ret=0;
end:
confs_free(&sconfs);
return ret;
}
END_TEST
static void check_restore_clients(struct cstat *cstat,
struct conf **parentconf, const char *restore_clients, int permitted)
{
struct conf **cconfs=NULL;
fail_unless((cconfs=confs_alloc())!=NULL);
fail_unless(!confs_init(cconfs));
fail_unless(!set_string(cconfs[OPT_CNAME], "cli1"));
build_clientconfdir_file("cli1", restore_clients);
fail_unless(!conf_load_clientconfdir(parentconf, cconfs));
fail_unless(!set_string(parentconf[OPT_CNAME], "cli2"));
fail_unless(cstat_permitted(cstat, parentconf, cconfs)==permitted);
confs_free(&cconfs);
}
// FIX THIS: need to unit test this.
int conf_switch_to_orig_client(struct conf **globalcs,
struct conf **cconfs, const char *orig_client)
{
int ret=-1;
struct conf **sconfs=NULL;
if(!(sconfs=confs_alloc())
|| confs_init(sconfs)) goto end;
if(set_string(sconfs[OPT_CNAME], orig_client))
goto end;
logp("Client wants to switch to client: %s\n",
get_string(sconfs[OPT_CNAME]));
if(conf_load_clientconfdir(globalcs, sconfs))
{
logp("Could not load alternate config: %s",
get_string(sconfs[OPT_CNAME]));
goto end;
}
set_int(sconfs[OPT_SEND_CLIENT_CNTR],
get_int(cconfs[OPT_SEND_CLIENT_CNTR]));
if(!restore_client_allowed(cconfs, sconfs))
goto end;
if(set_string(sconfs[OPT_RESTORE_PATH],
get_string(cconfs[OPT_RESTORE_PATH])))
goto end;
if(set_string(cconfs[OPT_RESTORE_PATH], NULL))
goto end;
set_cntr(sconfs[OPT_CNTR], get_cntr(cconfs));
set_cntr(cconfs[OPT_CNTR], NULL);
confs_free_content(cconfs);
confs_init(cconfs);
confs_memcpy(cconfs, sconfs);
confs_null(sconfs);
if(set_string(cconfs[OPT_RESTORE_CLIENT],
get_string(cconfs[OPT_CNAME]))) goto end;
if(set_string(cconfs[OPT_ORIG_CLIENT],
get_string(cconfs[OPT_CNAME]))) goto end;
logp("Switched to client %s\n", get_string(cconfs[OPT_CNAME]));
ret=0;
end:
confs_free(&sconfs);
return ret;
}
static int run_test_confs(struct conf **confs, const char *client)
{
int ret=-1;
struct conf **cconfs=NULL;
if(!client)
{
confs_dump(confs, 0);
ret=0;
goto end;
}
if(!(cconfs=confs_alloc()))
goto end;
confs_init(cconfs);
if(set_string(cconfs[OPT_CNAME], client)
|| set_string(cconfs[OPT_PEER_VERSION], VERSION)
|| conf_load_clientconfdir(confs, cconfs))
goto end;
confs_dump(cconfs, CONF_FLAG_CC_OVERRIDE|CONF_FLAG_INCEXC);
end:
confs_free(&cconfs);
return ret;
}
static
#endif
int cstat_reload_from_client_confs(struct cstat **clist,
struct conf **globalcs, struct conf **cconfs)
{
struct cstat *c;
struct stat statp;
static time_t global_mtime=0;
time_t global_mtime_new=0;
const char *globalconffile;
int reloaded=0;
globalconffile=get_string(globalcs[OPT_CONFFILE]);
if(stat(globalconffile, &statp)
|| !S_ISREG(statp.st_mode))
{
logp("Could not stat main conf file %s: %s\n",
globalconffile, strerror(errno));
return -1;
}
global_mtime_new=statp.st_mtime;
// FIX THIS: If '. included' conf files have changed, this code will
// not detect them. I guess that conf.c should make a list of them.
while(1)
{
for(c=*clist; c; c=c->next)
{
// Look at the client conf files to see if they have
// changed, and reload bits and pieces if they have.
if(!c->conffile) continue;
if(stat(c->conffile, &statp)
|| !S_ISREG(statp.st_mode))
{
cstat_remove(clist, &c);
break; // Go to the beginning of the list.
}
if(statp.st_mtime==c->conf_mtime
&& global_mtime_new==global_mtime)
{
// The conf files have not changed - no need to
// do anything.
continue;
}
c->conf_mtime=statp.st_mtime;
confs_free_content(cconfs);
if(set_string(cconfs[OPT_CNAME], c->name))
return -1;
if(conf_load_clientconfdir(globalcs, cconfs))
{
// If the file has junk in it, we will keep
// trying to reload it after removal.
// So, just deny permission to view it.
c->permitted=0;
continue;
}
if(set_cstat_from_conf(c, globalcs, cconfs))
return -1;
reloaded++;
}
// Only stop if the end of the list was not reached.
if(!c) break;
}
if(global_mtime!=global_mtime_new)
global_mtime=global_mtime_new;
return reloaded;
}
static int iterate_over_clients(struct conf **globalcs,
struct strlist *grouplist, const char *ext, unsigned int maxlinks)
{
int ret=0;
DIR *dirp=NULL;
struct conf **cconfs=NULL;
struct dirent *dirinfo=NULL;
const char *globalclientconfdir=get_string(globalcs[OPT_CLIENTCONFDIR]);
signal(SIGABRT, &sighandler);
signal(SIGTERM, &sighandler);
signal(SIGINT, &sighandler);
if(!(cconfs=confs_alloc())) return -1;
if(confs_init(cconfs)) return -1;
if(!(dirp=opendir(globalclientconfdir)))
{
logp("Could not opendir '%s': %s\n",
globalclientconfdir, strerror(errno));
return 0;
}
while((dirinfo=readdir(dirp)))
{
char *lockfile=NULL;
char *lockfilebase=NULL;
char *client_lockdir=NULL;
struct lock *lock=NULL;
if(dirinfo->d_ino==0
// looks_like...() also avoids '.' and '..'.
|| looks_like_tmp_or_hidden_file(dirinfo->d_name)
|| !is_regular_file(globalclientconfdir, dirinfo->d_name))
continue;
confs_free_content(cconfs);
if(confs_init(cconfs)) return -1;
if(set_string(cconfs[OPT_CNAME], dirinfo->d_name))
return -1;
if(conf_load_clientconfdir(globalcs, cconfs))
{
logp("could not load config for client %s\n",
dirinfo->d_name);
return 0;
}
if(grouplist)
{
const char *dedup_group=
get_string(cconfs[OPT_DEDUP_GROUP]);
if(!dedup_group
|| !in_group(grouplist, dedup_group))
continue;
}
if(!(client_lockdir=get_string(cconfs[OPT_CLIENT_LOCKDIR])))
client_lockdir=get_string(cconfs[OPT_DIRECTORY]);
if(!(lockfilebase=prepend(client_lockdir,
dirinfo->d_name, "/"))
|| !(lockfile=prepend(lockfilebase,
BEDUP_LOCKFILE_NAME, "/")))
{
free_w(&lockfilebase);
free_w(&lockfile);
ret=-1;
break;
}
free_w(&lockfilebase);
if(!(lock=lock_alloc_and_init(lockfile)))
{
ret=-1;
break;
}
lock_get(lock);
free_w(&lockfile);
if(lock->status!=GET_LOCK_GOT)
{
logp("Could not get %s\n", lock->path);
continue;
}
logp("Got %s\n", lock->path);
// Remember that we got that lock.
lock_add_to_list(&locklist, lock);
if(process_dir(get_string(cconfs[OPT_DIRECTORY]),
dirinfo->d_name,
ext, maxlinks, 1 /* burp mode */, 0 /* level */))
{
ret=-1;
break;
}
ccount++;
}
closedir(dirp);
locks_release_and_free(&locklist);
confs_free(&cconfs);
return ret;
}