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diff --git a/src/attr.c b/src/attr.c
index 0e407b6..549aea2 100644
--- a/src/attr.c
+++ b/src/attr.c
@@ -1,473 +1,461 @@
/*
* Copyright (C) 2015 Dejan Muhamedagic <dejan@hello-penguin.com>
*
* 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 software 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include "attr.h"
#include "booth.h"
#include "ticket.h"
#include "pacemaker.h"
void print_geostore_usage(void)
{
printf(
"Usage:\n"
" geostore {list|set|get|delete} [-t ticket] [options] attr [value]\n"
"\n"
" list: List all attributes\n"
" set: Set attribute to a value\n"
" get: Get attribute's value\n"
" delete: Delete attribute\n"
"\n"
" -t <ticket> Ticket where attribute resides\n"
" (required, if more than one ticket is configured)\n"
"\n"
"Options:\n"
" -c FILE Specify config file [default " BOOTH_DEFAULT_CONF "]\n"
" Can be a path or just a name without \".conf\" suffix\n"
" -s <site> Connect to a different site\n"
" -h Print this help\n"
"\n"
"Examples:\n"
"\n"
" # geostore list -t ticket-A -s 10.121.8.183\n"
" # geostore set -s 10.121.8.183 sr_status ACTIVE\n"
" # geostore get -t ticket-A -s 10.121.8.183 sr_status\n"
" # geostore delete -s 10.121.8.183 sr_status\n"
"\n"
"See the geostore(8) man page for more details.\n"
);
}
/*
* the client side
*/
/* cl has all the input parameters:
* ticket, attr name, attr value
*/
int test_attr_reply(cmd_result_t reply_code, cmd_request_t cmd)
{
int rv = 0;
const char *op_str = "";
switch (cmd) {
case ATTR_SET: op_str = "set"; break;
case ATTR_GET: op_str = "get"; break;
case ATTR_LIST: op_str = "list"; break;
case ATTR_DEL: op_str = "delete"; break;
default:
log_error("internal error reading reply result!");
return -1;
}
switch (reply_code) {
case RLT_ASYNC:
log_info("%s command sent, result will be returned "
"asynchronously.", op_str);
rv = 0;
break;
case RLT_SYNC_SUCC:
case RLT_SUCCESS:
if (cmd == ATTR_SET)
log_info("%s succeeded!", op_str);
rv = 0;
break;
case RLT_SYNC_FAIL:
log_info("%s failed!", op_str);
rv = -1;
break;
case RLT_INVALID_ARG:
log_error("ticket \"%s\" does not exist",
cl.attr_msg.attr.tkt_id);
rv = 1;
break;
case RLT_NO_SUCH_ATTR:
log_error("attribute \"%s\" not set",
cl.attr_msg.attr.name);
rv = 1;
break;
case RLT_AUTH:
log_error("authentication error");
rv = -1;
break;
default:
log_error("got an error code: %x", rv);
rv = -1;
}
return rv;
}
/* read the server's reply
* need to first get the header which contains the length of the
* reply
* return codes:
* -2: header not received
* -1: header received, but message too short
* >=0: success
*/
static int read_server_reply(
struct booth_transport const *tpt, struct booth_site *site,
char *msg)
{
struct boothc_header *header;
int rv;
int len;
header = (struct boothc_header *)msg;
rv = tpt->recv(site, header, sizeof(*header));
if (rv < 0) {
return -2;
}
len = ntohl(header->length);
rv = tpt->recv(site, msg+len, len-sizeof(*header));
if (rv < 0) {
return -1;
}
return rv;
}
-int do_attr_command(cmd_request_t cmd)
+int do_attr_command(cmd_request_t cmd, struct booth_site *site)
{
- struct booth_site *site = NULL;
struct boothc_header *header;
struct booth_transport const *tpt;
int len, rv = -1;
char *msg = NULL;
- if (!*cl.site)
- site = local;
- else {
- if (!find_site_by_name(cl.site, &site, 1)) {
- log_error("Site \"%s\" not configured.", cl.site);
- rv = -ENOENT;
- goto out_close;
- }
- }
-
if (site->type == ARBITRATOR) {
if (site == local) {
log_error("We're just an arbitrator, no attributes here.");
} else {
log_error("%s is just an arbitrator, no attributes there.", cl.site);
}
goto out_close;
}
tpt = booth_transport + TCP;
init_header(&cl.attr_msg.header, cmd, 0, cl.options, 0, 0,
sizeof(cl.attr_msg));
rv = tpt->open(site);
if (rv < 0)
goto out_close;
rv = tpt->send(site, &cl.attr_msg, sendmsglen(&cl.attr_msg));
if (rv < 0)
goto out_close;
msg = malloc(MAX_MSG_LEN);
if (!msg) {
log_error("out of memory");
rv = -1;
goto out_close;
}
rv = read_server_reply(tpt, site, msg);
header = (struct boothc_header *)msg;
if (rv < 0) {
if (rv == -1)
(void)test_attr_reply(ntohl(header->result), cmd);
goto out_close;
}
len = ntohl(header->length);
if (check_boothc_header(header, len) < 0) {
log_error("message from %s receive error", site_string(site));
rv = -1;
goto out_close;
}
if (check_auth(site, msg, len)) {
log_error("%s failed to authenticate", site_string(site));
rv = -1;
goto out_close;
}
rv = test_attr_reply(ntohl(header->result), cmd);
out_close:
- if (site)
- tpt->close(site);
+ tpt->close(site);
if (msg)
free(msg);
return rv;
}
/*
* the server side
*/
/* need to invert gboolean, our success is 0
*/
#define gbool2rlt(i) (i ? RLT_SUCCESS : RLT_SYNC_FAIL)
static void free_geo_attr(gpointer data)
{
struct geo_attr *a = (struct geo_attr *)data;
if (!a)
return;
g_free(a->val);
g_free(a);
}
int store_geo_attr(struct ticket_config *tk, const char *name,
const char *val, int notime)
{
struct geo_attr *a;
GDestroyNotify free_geo_attr_notify = free_geo_attr;
if (!tk)
return -1;
/*
* allocate new, if attr doesn't already exist
* copy the attribute value
* send status
*/
if (!tk->attr)
tk->attr = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, free_geo_attr_notify);
if (!tk->attr) {
log_error("out of memory");
return -1;
}
if (strnlen(name, BOOTH_NAME_LEN) == BOOTH_NAME_LEN)
tk_log_warn("name of the attribute too long (%d+ bytes), skipped",
BOOTH_NAME_LEN);
else if (strnlen(val, BOOTH_ATTRVAL_LEN) == BOOTH_ATTRVAL_LEN)
tk_log_warn("value of the attribute too long (%d+ bytes), skipped",
BOOTH_ATTRVAL_LEN);
else {
a = (struct geo_attr *)calloc(1, sizeof(struct geo_attr));
if (!a) {
log_error("out of memory");
return -1;
}
a->val = g_strdup(val);
if (!notime)
get_time(&a->update_ts);
g_hash_table_insert(tk->attr,
g_strdup(name), a);
}
return 0;
}
static cmd_result_t attr_set(struct ticket_config *tk, struct boothc_attr_msg *msg)
{
int rc;
rc = store_geo_attr(tk, msg->attr.name, msg->attr.val, 0);
if (rc) {
return RLT_SYNC_FAIL;
}
(void)pcmk_handler.set_attr(tk, msg->attr.name, msg->attr.val);
return RLT_SUCCESS;
}
static cmd_result_t attr_del(struct ticket_config *tk, struct boothc_attr_msg *msg)
{
gboolean rv;
gpointer orig_key, value;
/*
* lookup attr
* deallocate, if found
* send status
*/
if (!tk->attr)
return RLT_NO_SUCH_ATTR;
rv = g_hash_table_lookup_extended(tk->attr, msg->attr.name,
&orig_key, &value);
if (!rv)
return RLT_NO_SUCH_ATTR;
rv = g_hash_table_remove(tk->attr, msg->attr.name);
(void)pcmk_handler.del_attr(tk, msg->attr.name);
return gbool2rlt(rv);
}
static void
append_attr(gpointer key, gpointer value, gpointer user_data)
{
char *attr_name = (char *)key;
struct geo_attr *a = (struct geo_attr *)value;
GString *data = (GString *)user_data;
char time_str[64];
time_t ts;
if (is_time_set(&a->update_ts)) {
ts = wall_ts(&a->update_ts);
strftime(time_str, sizeof(time_str), "%F %T",
localtime(&ts));
} else {
time_str[0] = '\0';
}
g_string_append_printf(data, "%s %s %s\n",
attr_name, a->val, time_str);
}
static cmd_result_t attr_get(struct ticket_config *tk, int fd, struct boothc_attr_msg *msg)
{
cmd_result_t rv = RLT_SUCCESS;
struct boothc_hdr_msg hdr;
struct geo_attr *a;
GString *attr_val;
/*
* lookup attr
* send value
*/
a = (struct geo_attr *)g_hash_table_lookup(tk->attr, msg->attr.name);
if (!a)
return RLT_NO_SUCH_ATTR;
attr_val = g_string_new(NULL);
if (!attr_val) {
log_error("out of memory");
return RLT_SYNC_FAIL;
}
g_string_printf(attr_val, "%s\n", a->val);
init_header(&hdr.header, ATTR_GET, 0, 0, RLT_SUCCESS, 0,
sizeof(hdr) + attr_val->len);
if (send_header_plus(fd, &hdr, attr_val->str, attr_val->len))
rv = RLT_SYNC_FAIL;
if (attr_val)
g_string_free(attr_val, FALSE);
return rv;
}
static cmd_result_t attr_list(struct ticket_config *tk, int fd, struct boothc_attr_msg *msg)
{
GString *data;
cmd_result_t rv;
struct boothc_hdr_msg hdr;
/*
* list all attributes for the ticket
* send the list
*/
data = g_string_sized_new(512);
if (!data) {
log_error("out of memory");
return RLT_SYNC_FAIL;
}
g_hash_table_foreach(tk->attr, append_attr, data);
init_header(&hdr.header, ATTR_LIST, 0, 0, RLT_SUCCESS, 0,
sizeof(hdr) + data->len);
rv = send_header_plus(fd, &hdr, data->str, data->len);
if (data)
g_string_free(data, FALSE);
return rv;
}
int process_attr_request(struct client *req_client, void *buf)
{
cmd_result_t rv = RLT_SYNC_FAIL;
struct ticket_config *tk;
int cmd;
struct boothc_attr_msg *msg;
struct boothc_hdr_msg hdr;
msg = (struct boothc_attr_msg *)buf;
cmd = ntohl(msg->header.cmd);
if (!check_ticket(msg->attr.tkt_id, &tk)) {
log_warn("client referenced unknown ticket %s",
msg->attr.tkt_id);
rv = RLT_INVALID_ARG;
goto reply_now;
}
switch (cmd) {
case ATTR_LIST:
rv = attr_list(tk, req_client->fd, msg);
if (rv)
goto reply_now;
return 1;
case ATTR_GET:
rv = attr_get(tk, req_client->fd, msg);
if (rv)
goto reply_now;
return 1;
case ATTR_SET:
rv = attr_set(tk, msg);
break;
case ATTR_DEL:
rv = attr_del(tk, msg);
break;
}
reply_now:
init_header(&hdr.header, CL_RESULT, 0, 0, rv, 0, sizeof(hdr));
send_header_plus(req_client->fd, &hdr, NULL, 0);
return 1;
}
/* read attr message from another site */
/* this is a NOOP and it should never be invoked
* only clients retrieve/manage attributes and they connect
* directly to the target site
*/
int attr_recv(void *buf, struct booth_site *source)
{
struct boothc_attr_msg *msg;
struct ticket_config *tk;
msg = (struct boothc_attr_msg *)buf;
log_warn("unexpected attribute message from %s",
site_string(source));
if (!check_ticket(msg->attr.tkt_id, &tk)) {
log_warn("got invalid ticket name %s from %s",
msg->attr.tkt_id, site_string(source));
source->invalid_cnt++;
return -1;
}
return 0;
}
diff --git a/src/attr.h b/src/attr.h
index 1c680bd..a94ac16 100644
--- a/src/attr.h
+++ b/src/attr.h
@@ -1,39 +1,39 @@
/*
* Copyright (C) 2015 Dejan Muhamedagic <dejan@hello-penguin.com>
*
* 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 software 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _ATTR_H
#define _ATTR_H
#define ATTR_PROG "geostore"
#include "b_config.h"
#include "log.h"
#include <stdlib.h>
#include <sys/types.h>
#include "booth.h"
#include "timer.h"
#include <glib.h>
void print_geostore_usage(void);
int test_attr_reply(cmd_result_t reply_code, cmd_request_t cmd);
-int do_attr_command(cmd_request_t cmd);
+int do_attr_command(cmd_request_t cmd, struct booth_site *site);
int process_attr_request(struct client *req_client, void *buf);
int attr_recv(void *buf, struct booth_site *source);
int store_geo_attr(struct ticket_config *tk, const char *name, const char *val, int notime);
#endif /* _ATTR_H */
diff --git a/src/main.c b/src/main.c
index 76e62c7..e09536a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,1612 +1,1605 @@
/*
* Copyright (C) 2011 Jiaju Zhang <jjzhang@suse.de>
* Copyright (C) 2013-2014 Philipp Marek <philipp.marek@linbit.com>
*
* 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 software 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sched.h>
#include <errno.h>
#include <limits.h>
#include <sys/file.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/poll.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <string.h>
#include <ctype.h>
#include <assert.h>
#include <signal.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <pacemaker/crm/services.h>
#include "b_config.h"
#if HAVE_LIBGCRYPT
#include <gcrypt.h>
#endif
#ifndef NAMETAG_LIBSYSTEMD
#include <clplumbing/setproctitle.h>
#else
#include "alt/nametag_libsystemd.h"
#endif
#ifdef COREDUMP_NURSING
#include <sys/prctl.h>
#include <clplumbing/coredumps.h>
#endif
#include "log.h"
#include "booth.h"
#include "config.h"
#include "transport.h"
#include "inline-fn.h"
#include "pacemaker.h"
#include "ticket.h"
#include "request.h"
#include "attr.h"
#include "handler.h"
#define RELEASE_VERSION "1.0"
#define RELEASE_STR RELEASE_VERSION " (build " BOOTH_BUILD_VERSION ")"
#define CLIENT_NALLOC 32
static int daemonize = 1;
int enable_stderr = 0;
timetype start_time;
/** Structure for "clients".
* Filehandles with incoming data get registered here (and in pollfds),
* along with their callbacks.
* Because these can be reallocated with every new fd, addressing
* happens _only_ by their numeric index. */
struct client *clients = NULL;
struct pollfd *pollfds = NULL;
static int client_maxi;
static int client_size = 0;
static const struct booth_site _no_leader = {
.addr_string = "none",
.site_id = NO_ONE,
};
struct booth_site *const no_leader = (struct booth_site*) &_no_leader;
typedef enum
{
BOOTHD_STARTED=0,
BOOTHD_STARTING
} BOOTH_DAEMON_STATE;
int poll_timeout;
struct booth_config *booth_conf;
struct command_line cl;
static void client_alloc(void)
{
int i;
if (!(clients = realloc(
clients, (client_size + CLIENT_NALLOC) * sizeof(*clients))
) || !(pollfds = realloc(
pollfds, (client_size + CLIENT_NALLOC) * sizeof(*pollfds))
)) {
log_error("can't alloc for client array");
exit(1);
}
for (i = client_size; i < client_size + CLIENT_NALLOC; i++) {
clients[i].workfn = NULL;
clients[i].deadfn = NULL;
clients[i].fd = -1;
pollfds[i].fd = -1;
pollfds[i].revents = 0;
}
client_size += CLIENT_NALLOC;
}
static void client_dead(int ci)
{
struct client *c = clients + ci;
if (c->fd != -1) {
log_debug("removing client %d", c->fd);
close(c->fd);
}
c->fd = -1;
c->workfn = NULL;
if (c->msg) {
free(c->msg);
c->msg = NULL;
c->offset = 0;
}
pollfds[ci].fd = -1;
}
int client_add(int fd, const struct booth_transport *tpt,
void (*workfn)(int ci),
void (*deadfn)(int ci))
{
int i;
struct client *c;
if (client_size - 1 <= client_maxi ) {
client_alloc();
}
for (i = 0; i < client_size; i++) {
c = clients + i;
if (c->fd != -1)
continue;
c->workfn = workfn;
if (deadfn)
c->deadfn = deadfn;
else
c->deadfn = client_dead;
c->transport = tpt;
c->fd = fd;
c->msg = NULL;
c->offset = 0;
pollfds[i].fd = fd;
pollfds[i].events = POLLIN;
if (i > client_maxi)
client_maxi = i;
return i;
}
assert(!"no client");
}
int find_client_by_fd(int fd)
{
int i;
if (fd < 0)
return -1;
for (i = 0; i <= client_maxi; i++) {
if (clients[i].fd == fd)
return i;
}
return -1;
}
static int format_peers(char **pdata, unsigned int *len)
{
struct booth_site *s;
char *data, *cp;
char time_str[64];
int i, alloc;
*pdata = NULL;
*len = 0;
alloc = booth_conf->site_count * (BOOTH_NAME_LEN + 256);
data = malloc(alloc);
if (!data)
return -ENOMEM;
cp = data;
foreach_node(i, s) {
if (s == local)
continue;
strftime(time_str, sizeof(time_str), "%F %T",
localtime(&s->last_recv));
cp += snprintf(cp,
alloc - (cp - data),
"%-12s %s, last recv: %s\n",
type_to_string(s->type),
s->addr_string,
time_str);
cp += snprintf(cp,
alloc - (cp - data),
"\tSent pkts:%u error:%u resends:%u\n",
s->sent_cnt,
s->sent_err_cnt,
s->resend_cnt);
cp += snprintf(cp,
alloc - (cp - data),
"\tRecv pkts:%u error:%u authfail:%u invalid:%u\n\n",
s->recv_cnt,
s->recv_err_cnt,
s->sec_cnt,
s->invalid_cnt);
if (alloc - (cp - data) <= 0) {
free(data);
return -ENOMEM;
}
}
*pdata = data;
*len = cp - data;
return 0;
}
void list_peers(int fd)
{
char *data;
unsigned int olen;
struct boothc_hdr_msg hdr;
if (format_peers(&data, &olen) < 0)
goto out;
init_header(&hdr.header, CL_LIST, 0, 0, RLT_SUCCESS, 0, sizeof(hdr) + olen);
(void)send_header_plus(fd, &hdr, data, olen);
out:
if (data)
free(data);
}
/* trim trailing spaces if the key is ascii
*/
static void trim_key()
{
char *p;
int i;
for (i=0, p=booth_conf->authkey; i < booth_conf->authkey_len; i++, p++)
if (!isascii(*p))
return;
p = booth_conf->authkey;
while (booth_conf->authkey_len > 0 && isspace(*p)) {
p++;
booth_conf->authkey_len--;
}
memmove(booth_conf->authkey, p, booth_conf->authkey_len);
p = booth_conf->authkey + booth_conf->authkey_len - 1;
while (booth_conf->authkey_len > 0 && isspace(*p)) {
booth_conf->authkey_len--;
p--;
}
}
static int read_authkey()
{
int fd;
booth_conf->authkey[0] = '\0';
if (stat(booth_conf->authfile, &booth_conf->authstat) < 0) {
log_error("cannot stat authentication file %s: %s",
booth_conf->authfile, strerror(errno));
return -1;
}
if (booth_conf->authstat.st_mode & (S_IRGRP | S_IROTH)) {
log_error("%s: file shall not be readable for anyone but the owner",
booth_conf->authfile);
return -1;
}
fd = open(booth_conf->authfile, O_RDONLY);
if (fd < 0) {
log_error("cannot open %s: %s",
booth_conf->authfile, strerror(errno));
return -1;
}
booth_conf->authkey_len = read(fd, booth_conf->authkey, BOOTH_MAX_KEY_LEN);
close(fd);
trim_key();
log_debug("read key of size %d in authfile %s",
booth_conf->authkey_len, booth_conf->authfile);
/* make sure that the key is of minimum length */
return (booth_conf->authkey_len >= BOOTH_MIN_KEY_LEN) ? 0 : -1;
}
int update_authkey()
{
struct stat statbuf;
if (stat(booth_conf->authfile, &statbuf) < 0) {
log_error("cannot stat authentication file %s: %s",
booth_conf->authfile, strerror(errno));
return -1;
}
if (statbuf.st_mtime > booth_conf->authstat.st_mtime) {
return read_authkey();
}
return 0;
}
-static int setup_config(int type)
+static int setup_config(int type, struct booth_site **site)
{
int rv;
rv = read_config(cl.configfile, type);
if (rv < 0)
goto out;
if (is_auth_req()) {
rv = read_authkey();
if (rv < 0)
goto out;
#if HAVE_LIBGCRYPT
if (!gcry_check_version(NULL)) {
log_error("gcry_check_version");
rv = -ENOENT;
goto out;
}
gcry_control(GCRYCTL_DISABLE_SECMEM, 0);
gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
#endif
}
- /* Set "local" pointer, ignoring errors. */
- if (cl.type == DAEMON && cl.site[0]) {
- if (!find_site_by_name(cl.site, &local, 1)) {
- log_error("Cannot find \"%s\" (myself) in the configuration.",
- cl.site);
- return -EINVAL;
+ /* Determine the target based on the provided address, ignore
+ errors with DAEMON (special debug/testing arrangement). */
+ if (*cl.site && (cl.type == DAEMON || (site && strcmp(cl.site, OTHER_SITE)))) {
+ if (!find_site_by_name(cl.site, cl.type == DAEMON ? &local : site, 1)) {
+ log_error("Cannot find \"%s\"%s in the configuration.",
+ cl.site, cl.type == DAEMON ? " (myself)" : "");
+ if (cl.type != DAEMON)
+ return -EINVAL;
}
- local->local = 1;
- } else if (!find_myself(NULL, type == CLIENT || type == GEOSTORE)) {
+ if (cl.type == DAEMON)
+ local->local = 1;
+ else
+ site = NULL; /* prevent from overwriting */
+ }
+ /* Self-determine us. */
+ if (!find_myself(site, type == CLIENT || type == GEOSTORE)) {
log_error("Cannot find myself in the configuration.");
return -EINVAL;
}
+ /* We can resolve "other" only after we've determined us. */
+ if (*cl.site && site && !strcmp(cl.site, OTHER_SITE)
+ && !find_site_by_name(cl.site, site, 1)) {
+ log_error("Cannot find %s node in the configuration.", cl.site);
+ return -EINVAL;
+ }
rv = check_config(type);
if (rv < 0)
goto out;
/* Per default the PID file name is derived from the
* configuration name. */
if (!cl.lockfile[0]) {
snprintf(cl.lockfile, sizeof(cl.lockfile)-1,
"%s/%s.pid", BOOTH_RUN_DIR, booth_conf->name);
}
out:
return rv;
}
static int setup_transport(void)
{
int rv;
rv = transport()->init(message_recv);
if (rv < 0) {
log_error("failed to init booth_transport %s", transport()->name);
goto out;
}
rv = booth_transport[TCP].init(NULL);
if (rv < 0) {
log_error("failed to init booth_transport[TCP]");
goto out;
}
out:
return rv;
}
static int write_daemon_state(int fd, int state)
{
char buffer[1024];
int rv, size;
size = sizeof(buffer) - 1;
rv = snprintf(buffer, size,
"booth_pid=%d "
"booth_state=%s "
"booth_type=%s "
"booth_cfg_name='%s' "
"booth_id=%d "
"booth_addr_string='%s' "
"booth_port=%d\n",
getpid(),
( state == BOOTHD_STARTED ? "started" :
state == BOOTHD_STARTING ? "starting" :
"invalid"),
type_to_string(local->type),
booth_conf->name,
local->site_id,
local->addr_string,
booth_conf->port);
if (rv < 0 || rv == size) {
log_error("Buffer filled up in write_daemon_state().");
return -1;
}
size = rv;
rv = ftruncate(fd, 0);
if (rv < 0) {
log_error("lockfile %s truncate error %d: %s",
cl.lockfile, errno, strerror(errno));
return rv;
}
rv = lseek(fd, 0, SEEK_SET);
if (rv < 0) {
log_error("lseek set fd(%d) offset to 0 error, return(%d), message(%s)",
fd, rv, strerror(errno));
rv = -1;
return rv;
}
rv = write(fd, buffer, size);
if (rv != size) {
log_error("write to fd(%d, %d) returned %d, errno %d, message(%s)",
fd, size,
rv, errno, strerror(errno));
return -1;
}
return 0;
}
static int loop(int fd)
{
void (*workfn) (int ci);
void (*deadfn) (int ci);
int rv, i;
rv = setup_transport();
if (rv < 0)
goto fail;
rv = setup_ticket();
if (rv < 0)
goto fail;
rv = write_daemon_state(fd, BOOTHD_STARTED);
if (rv != 0) {
log_error("write daemon state %d to lockfile error %s: %s",
BOOTHD_STARTED, cl.lockfile, strerror(errno));
goto fail;
}
log_info("BOOTH %s daemon started, node id is 0x%08X (%d).",
type_to_string(local->type),
local->site_id, local->site_id);
while (1) {
rv = poll(pollfds, client_maxi + 1, poll_timeout);
if (rv == -1 && errno == EINTR)
continue;
if (rv < 0) {
log_error("poll failed: %s (%d)", strerror(errno), errno);
goto fail;
}
for (i = 0; i <= client_maxi; i++) {
if (clients[i].fd < 0)
continue;
if (pollfds[i].revents & POLLIN) {
workfn = clients[i].workfn;
if (workfn)
workfn(i);
}
if (pollfds[i].revents &
(POLLERR | POLLHUP | POLLNVAL)) {
deadfn = clients[i].deadfn;
if (deadfn)
deadfn(i);
}
}
process_tickets();
}
return 0;
fail:
return -1;
}
static int test_reply(cmd_result_t reply_code, cmd_request_t cmd)
{
int rv = 0;
const char *op_str = "";
if (cmd == CMD_GRANT)
op_str = "grant";
else if (cmd == CMD_REVOKE)
op_str = "revoke";
else if (cmd == CMD_LIST)
op_str = "list";
else if (cmd == CMD_PEERS)
op_str = "peers";
else {
log_error("internal error reading reply result!");
return -1;
}
switch (reply_code) {
case RLT_OVERGRANT:
log_info("You're granting a granted ticket. "
"If you wanted to migrate a ticket, "
"use revoke first, then use grant.");
rv = -1;
break;
case RLT_TICKET_IDLE:
log_info("ticket is not owned");
rv = 0;
break;
case RLT_ASYNC:
log_info("%s command sent, result will be returned "
"asynchronously. Please use \"booth list\" to "
"see the outcome.", op_str);
rv = 0;
break;
case RLT_CIB_PENDING:
log_info("%s succeeded (CIB commit pending)", op_str);
/* wait for the CIB commit? */
rv = (cl.options & OPT_WAIT_COMMIT) ? 3 : 0;
break;
case RLT_MORE:
rv = 2;
break;
case RLT_SYNC_SUCC:
case RLT_SUCCESS:
if (cmd != CMD_LIST && cmd != CMD_PEERS)
log_info("%s succeeded!", op_str);
rv = 0;
break;
case RLT_SYNC_FAIL:
log_info("%s failed!", op_str);
rv = -1;
break;
case RLT_INVALID_ARG:
log_error("ticket \"%s\" does not exist",
cl.msg.ticket.id);
rv = -1;
break;
case RLT_AUTH:
log_error("authentication error");
rv = -1;
break;
case RLT_EXT_FAILED:
log_error("before-acquire-handler for ticket \"%s\" failed, grant denied",
cl.msg.ticket.id);
rv = -1;
break;
case RLT_ATTR_PREREQ:
log_error("attr-prereq for ticket \"%s\" failed, grant denied",
cl.msg.ticket.id);
rv = -1;
break;
case RLT_REDIRECT:
/* talk to another site */
rv = 1;
break;
default:
log_error("got an error code: %x", rv);
rv = -1;
}
return rv;
}
-static int query_get_string_answer(cmd_request_t cmd)
+static int query_get_string_answer(cmd_request_t cmd, struct booth_site *site)
{
- struct booth_site *site;
struct boothc_hdr_msg reply;
struct boothc_header *header;
char *data;
int data_len;
int rv;
struct booth_transport const *tpt;
int (*test_reply_f) (cmd_result_t reply_code, cmd_request_t cmd);
size_t msg_size;
void *request;
if (cl.type == GEOSTORE) {
test_reply_f = test_attr_reply;
msg_size = sizeof(cl.attr_msg);
request = &cl.attr_msg;
} else {
test_reply_f = test_reply;
msg_size = sizeof(cl.msg);
request = &cl.msg;
}
header = (struct boothc_header *)request;
data = NULL;
init_header(header, cmd, 0, cl.options, 0, 0, msg_size);
- if (!*cl.site)
- site = local;
- else if (!find_site_by_name(cl.site, &site, 1)) {
- log_error("cannot find site \"%s\"", cl.site);
- rv = -ENOENT;
- goto out;
- }
-
tpt = booth_transport + TCP;
rv = tpt->open(site);
if (rv < 0)
goto out_close;
rv = tpt->send(site, request, msg_size);
if (rv < 0)
goto out_close;
rv = tpt->recv_auth(site, &reply, sizeof(reply));
if (rv < 0)
goto out_close;
data_len = ntohl(reply.header.length) - rv;
/* no attribute, or no ticket found */
if (!data_len) {
goto out_test_reply;
}
data = malloc(data_len+1);
if (!data) {
rv = -ENOMEM;
goto out_close;
}
rv = tpt->recv(site, data, data_len);
if (rv < 0)
goto out_close;
*(data+data_len) = '\0';
*(data + data_len) = '\0';
(void)fputs(data, stdout);
fflush(stdout);
rv = 0;
out_test_reply:
rv = test_reply_f(ntohl(reply.header.result), cmd);
out_close:
tpt->close(site);
-out:
if (data)
free(data);
return rv;
}
-static int do_command(cmd_request_t cmd)
+static int do_command(cmd_request_t cmd, struct booth_site *site)
{
- struct booth_site *site;
struct boothc_ticket_msg reply;
struct booth_transport const *tpt;
uint32_t leader_id;
int rv;
int reply_cnt = 0, msg_logged = 0;
const char *op_str = "";
if (cmd == CMD_GRANT)
op_str = "grant";
else if (cmd == CMD_REVOKE)
op_str = "revoke";
rv = 0;
- site = NULL;
/* Always use TCP for client - at least for now. */
tpt = booth_transport + TCP;
- if (!*cl.site)
- site = local;
- else {
- if (!find_site_by_name(cl.site, &site, 1)) {
- log_error("Site \"%s\" not configured.", cl.site);
- rv = -ENOENT;
- goto out_close;
- }
- }
-
if (site->type == ARBITRATOR) {
if (site == local) {
log_error("We're just an arbitrator, cannot grant/revoke tickets here.");
} else {
log_error("%s is just an arbitrator, cannot grant/revoke tickets there.", cl.site);
}
goto out_close;
}
assert(site->type == SITE);
/* We don't check for existence of ticket, so that asking can be
* done without local configuration, too.
* Although, that means that the UDP port has to be specified, too. */
if (!cl.msg.ticket.id[0]) {
/* If the loaded configuration has only a single ticket defined, use that. */
if (booth_conf->ticket_count == 1) {
strncpy(cl.msg.ticket.id, booth_conf->ticket[0].name,
sizeof(cl.msg.ticket.id));
} else {
log_error("No ticket given.");
goto out_close;
}
}
redirect:
init_header(&cl.msg.header, cmd, 0, cl.options, 0, 0, sizeof(cl.msg));
rv = tpt->open(site);
if (rv < 0)
goto out_close;
rv = tpt->send(site, &cl.msg, sendmsglen(&cl.msg));
if (rv < 0)
goto out_close;
read_more:
rv = tpt->recv_auth(site, &reply, sizeof(reply));
if (rv < 0) {
/* print any errors depending on the code sent by the
* server */
(void)test_reply(ntohl(reply.header.result), cmd);
goto out_close;
}
rv = test_reply(ntohl(reply.header.result), cmd);
if (rv == 1) {
tpt->close(site);
leader_id = ntohl(reply.ticket.leader);
if (!find_site_by_id(leader_id, &site)) {
log_error("Message with unknown redirect site %x received", leader_id);
rv = -1;
goto out_close;
}
goto redirect;
} else if (rv == 2 || rv == 3) {
/* the server has more to say */
/* don't wait too long */
if (reply_cnt > 1 && !(cl.options & OPT_WAIT)) {
rv = 0;
log_info("Giving up on waiting for the definite result. "
"Please use \"booth list\" later to "
"see the outcome.");
goto out_close;
}
if (reply_cnt == 0) {
log_info("%s request sent, "
"waiting for the result ...", op_str);
msg_logged++;
} else if (rv == 3 && msg_logged < 2) {
log_info("waiting for the CIB commit ...");
msg_logged++;
}
reply_cnt++;
goto read_more;
}
out_close:
if (site)
tpt->close(site);
return rv;
}
static int _lockfile(int mode, int *fdp, pid_t *locked_by)
{
struct flock lock;
int fd, rv;
/* After reboot the directory may not yet exist.
* Try to create it, but ignore errors. */
if (strncmp(cl.lockfile, BOOTH_RUN_DIR,
strlen(BOOTH_RUN_DIR)) == 0)
mkdir(BOOTH_RUN_DIR, 0775);
if (locked_by)
*locked_by = 0;
*fdp = -1;
fd = open(cl.lockfile, mode, 0664);
if (fd < 0)
return errno;
*fdp = fd;
lock.l_type = F_WRLCK;
lock.l_start = 0;
lock.l_whence = SEEK_SET;
lock.l_len = 0;
lock.l_pid = 0;
if (fcntl(fd, F_SETLK, &lock) == 0)
return 0;
rv = errno;
if (locked_by)
if (fcntl(fd, F_GETLK, &lock) == 0)
*locked_by = lock.l_pid;
return rv;
}
static inline int is_root(void)
{
return geteuid() == 0;
}
static int create_lockfile(void)
{
int rv, fd;
fd = -1;
rv = _lockfile(O_CREAT | O_WRONLY, &fd, NULL);
if (fd == -1) {
log_error("lockfile %s open error %d: %s",
cl.lockfile, rv, strerror(rv));
return -1;
}
if (rv < 0) {
log_error("lockfile %s setlk error %d: %s",
cl.lockfile, rv, strerror(rv));
goto fail;
}
rv = write_daemon_state(fd, BOOTHD_STARTING);
if (rv != 0) {
log_error("write daemon state %d to lockfile error %s: %s",
BOOTHD_STARTING, cl.lockfile, strerror(errno));
goto fail;
}
if (is_root()) {
if (fchown(fd, booth_conf->uid, booth_conf->gid) < 0)
log_error("fchown() on lockfile said %d: %s",
errno, strerror(errno));
}
return fd;
fail:
close(fd);
return -1;
}
static void unlink_lockfile(int fd)
{
unlink(cl.lockfile);
close(fd);
}
static void print_usage(void)
{
printf(
"Usage:\n"
" booth list [options]\n"
" booth {grant|revoke} [options] <ticket>\n"
" booth status [options]\n"
"\n"
" list: List all tickets\n"
" grant: Grant ticket to site\n"
" revoke: Revoke ticket\n"
"\n"
"Options:\n"
" -c FILE Specify config file [default " BOOTH_DEFAULT_CONF "]\n"
" Can be a path or just a name without \".conf\" suffix\n"
" -s <site> Connect/grant to a different site\n"
" -F Try to grant the ticket immediately\n"
" even if not all sites are reachable\n"
" -w Wait forever for the outcome of the request\n"
" -C Wait until the ticket is committed to the CIB (grant only)\n"
" -h Print this help\n"
"\n"
"Examples:\n"
"\n"
" # booth list (list tickets)\n"
" # booth grant ticket-A (grant ticket here)\n"
" # booth grant -s 10.121.8.183 ticket-A (grant ticket to site 10.121.8.183)\n"
" # booth revoke ticket-A (revoke ticket)\n"
"\n"
"See the booth(8) man page for more details.\n"
);
}
#define OPTION_STRING "c:Dl:t:s:FhSwC"
#define ATTR_OPTION_STRING "c:Dt:s:h"
void safe_copy(char *dest, char *value, size_t buflen, const char *description) {
int content_len = buflen - 1;
if (strlen(value) >= content_len) {
fprintf(stderr, "'%s' exceeds maximum %s length of %d\n",
value, description, content_len);
exit(EXIT_FAILURE);
}
strncpy(dest, value, content_len);
dest[content_len] = 0;
}
static int host_convert(char *hostname, char *ip_str, size_t ip_size)
{
struct addrinfo *result = NULL, hints = {0};
int re = -1;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
re = getaddrinfo(hostname, NULL, &hints, &result);
if (re == 0) {
struct in_addr addr = ((struct sockaddr_in *)result->ai_addr)->sin_addr;
const char *re_ntop = inet_ntop(AF_INET, &addr, ip_str, ip_size);
if (re_ntop == NULL) {
re = -1;
}
}
freeaddrinfo(result);
return re;
}
#define cparg(dest, descr) do { \
if (optind >= argc) \
goto missingarg; \
safe_copy(dest, argv[optind], sizeof(dest), descr); \
optind++; \
} while(0)
static int read_arguments(int argc, char **argv)
{
int optchar;
char *arg1 = argv[1];
char *op = NULL;
char *cp;
const char *opt_string = OPTION_STRING;
char site_arg[INET_ADDRSTRLEN] = {0};
int left;
cl.type = 0;
if ((cp = strstr(argv[0], ATTR_PROG)) &&
!strcmp(cp, ATTR_PROG)) {
cl.type = GEOSTORE;
op = argv[1];
optind = 2;
opt_string = ATTR_OPTION_STRING;
} else if (argc > 1 && (strcmp(arg1, "arbitrator") == 0 ||
strcmp(arg1, "site") == 0 ||
strcmp(arg1, "start") == 0 ||
strcmp(arg1, "daemon") == 0)) {
cl.type = DAEMON;
optind = 2;
} else if (argc > 1 && (strcmp(arg1, "status") == 0)) {
cl.type = STATUS;
optind = 2;
} else if (argc > 1 && (strcmp(arg1, "client") == 0)) {
cl.type = CLIENT;
if (argc < 3) {
print_usage();
exit(EXIT_FAILURE);
}
op = argv[2];
optind = 3;
}
if (!cl.type) {
cl.type = CLIENT;
op = argv[1];
optind = 2;
}
if (argc < 2 || !strcmp(arg1, "help") || !strcmp(arg1, "--help") ||
!strcmp(arg1, "-h")) {
if (cl.type == GEOSTORE)
print_geostore_usage();
else
print_usage();
exit(EXIT_SUCCESS);
}
if (!strcmp(arg1, "version") || !strcmp(arg1, "--version") ||
!strcmp(arg1, "-V")) {
printf("%s %s\n", argv[0], RELEASE_STR);
exit(EXIT_SUCCESS);
}
if (cl.type == CLIENT) {
if (!strcmp(op, "list"))
cl.op = CMD_LIST;
else if (!strcmp(op, "grant"))
cl.op = CMD_GRANT;
else if (!strcmp(op, "revoke"))
cl.op = CMD_REVOKE;
else if (!strcmp(op, "peers"))
cl.op = CMD_PEERS;
else {
fprintf(stderr, "client operation \"%s\" is unknown\n",
op);
exit(EXIT_FAILURE);
}
} else if (cl.type == GEOSTORE) {
if (!strcmp(op, "list"))
cl.op = ATTR_LIST;
else if (!strcmp(op, "set"))
cl.op = ATTR_SET;
else if (!strcmp(op, "get"))
cl.op = ATTR_GET;
else if (!strcmp(op, "delete"))
cl.op = ATTR_DEL;
else {
fprintf(stderr, "attribute operation \"%s\" is unknown\n",
op);
exit(EXIT_FAILURE);
}
}
while (optind < argc) {
optchar = getopt(argc, argv, opt_string);
switch (optchar) {
case 'c':
if (strchr(optarg, '/')) {
safe_copy(cl.configfile, optarg,
sizeof(cl.configfile), "config file");
} else {
/* If no "/" in there, use with default directory. */
strcpy(cl.configfile, BOOTH_DEFAULT_CONF_DIR);
cp = cl.configfile + strlen(BOOTH_DEFAULT_CONF_DIR);
assert(cp > cl.configfile);
assert(*(cp-1) == '/');
/* Write at the \0, ie. after the "/" */
safe_copy(cp, optarg,
(sizeof(cl.configfile) -
(cp - cl.configfile) -
strlen(BOOTH_DEFAULT_CONF_EXT)),
"config name");
/* If no extension, append ".conf".
* Space is available, see -strlen() above. */
if (!strchr(cp, '.'))
strcat(cp, BOOTH_DEFAULT_CONF_EXT);
}
break;
case 'D':
debug_level++;
enable_stderr = 1;
/* Fall through */
case 'S':
daemonize = 0;
break;
case 'l':
safe_copy(cl.lockfile, optarg, sizeof(cl.lockfile), "lock file");
break;
case 't':
if (cl.op == CMD_GRANT || cl.op == CMD_REVOKE) {
safe_copy(cl.msg.ticket.id, optarg,
sizeof(cl.msg.ticket.id), "ticket name");
} else if (cl.type == GEOSTORE) {
safe_copy(cl.attr_msg.attr.tkt_id, optarg,
sizeof(cl.attr_msg.attr.tkt_id), "ticket name");
} else {
print_usage();
exit(EXIT_FAILURE);
}
break;
case 's':
/* For testing and debugging: allow "-s site" also for
* daemon start, so that the address that should be used
* can be set manually.
* This makes it easier to start multiple processes
* on one machine. */
if (cl.type == CLIENT || cl.type == GEOSTORE ||
(cl.type == DAEMON && debug_level)) {
if (strcmp(optarg, OTHER_SITE) &&
host_convert(optarg, site_arg, INET_ADDRSTRLEN) == 0) {
safe_copy(cl.site, site_arg, sizeof(cl.site), "site name");
} else {
safe_copy(cl.site, optarg, sizeof(cl.site), "site name");
}
} else {
log_error("\"-s\" not allowed in daemon mode.");
exit(EXIT_FAILURE);
}
break;
case 'F':
if (cl.type != CLIENT || cl.op != CMD_GRANT) {
log_error("use \"-F\" only for client grant");
exit(EXIT_FAILURE);
}
cl.options |= OPT_IMMEDIATE;
break;
case 'w':
if (cl.type != CLIENT ||
(cl.op != CMD_GRANT && cl.op != CMD_REVOKE)) {
log_error("use \"-w\" only for grant and revoke");
exit(EXIT_FAILURE);
}
cl.options |= OPT_WAIT;
break;
case 'C':
if (cl.type != CLIENT || cl.op != CMD_GRANT) {
log_error("use \"-C\" only for grant");
exit(EXIT_FAILURE);
}
cl.options |= OPT_WAIT | OPT_WAIT_COMMIT;
break;
case 'h':
if (cl.type == GEOSTORE)
print_geostore_usage();
else
print_usage();
exit(EXIT_SUCCESS);
break;
case ':':
case '?':
fprintf(stderr, "Please use '-h' for usage.\n");
exit(EXIT_FAILURE);
break;
case -1:
/* No more parameters on cmdline, only arguments. */
goto extra_args;
default:
goto unknown;
};
}
return 0;
extra_args:
if (cl.type == CLIENT && !cl.msg.ticket.id[0]) {
cparg(cl.msg.ticket.id, "ticket name");
} else if (cl.type == GEOSTORE) {
if (cl.op != ATTR_LIST) {
cparg(cl.attr_msg.attr.name, "attribute name");
}
if (cl.op == ATTR_SET) {
cparg(cl.attr_msg.attr.val, "attribute value");
}
}
if (optind == argc)
return 0;
left = argc - optind;
fprintf(stderr, "Superfluous argument%s: %s%s\n",
left == 1 ? "" : "s",
argv[optind],
left == 1 ? "" : "...");
exit(EXIT_FAILURE);
unknown:
fprintf(stderr, "unknown option: %s\n", argv[optind]);
exit(EXIT_FAILURE);
missingarg:
fprintf(stderr, "not enough arguments\n");
exit(EXIT_FAILURE);
}
static void set_scheduler(void)
{
struct sched_param sched_param;
struct rlimit rlimit;
int rv;
rlimit.rlim_cur = RLIM_INFINITY;
rlimit.rlim_max = RLIM_INFINITY;
setrlimit(RLIMIT_MEMLOCK, &rlimit);
rv = mlockall(MCL_CURRENT | MCL_FUTURE);
if (rv < 0) {
log_error("mlockall failed");
}
rv = sched_get_priority_max(SCHED_RR);
if (rv != -1) {
sched_param.sched_priority = rv;
rv = sched_setscheduler(0, SCHED_RR, &sched_param);
if (rv == -1)
log_error("could not set SCHED_RR priority %d: %s (%d)",
sched_param.sched_priority,
strerror(errno), errno);
} else {
log_error("could not get maximum scheduler priority err %d",
errno);
}
}
static int set_procfs_val(const char *path, const char *val)
{
int rc = -1;
FILE *fp = fopen(path, "w");
if (fp) {
if (fprintf(fp, "%s", val) > 0)
rc = 0;
fclose(fp);
}
return rc;
}
static int do_status(int type)
{
pid_t pid;
int rv, status_lock_fd, ret;
const char *reason = NULL;
char lockfile_data[1024], *cp;
ret = PCMK_OCF_NOT_RUNNING;
- rv = setup_config(type);
+ rv = setup_config(type, NULL);
if (rv) {
reason = "Error reading configuration.";
ret = PCMK_OCF_UNKNOWN_ERROR;
goto quit;
}
rv = _lockfile(O_RDWR, &status_lock_fd, &pid);
if (status_lock_fd == -1) {
reason = "No PID file.";
goto quit;
}
if (rv == 0) {
close(status_lock_fd);
reason = "PID file not locked.";
goto quit;
}
if (pid) {
fprintf(stdout, "booth_lockpid=%d ", pid);
fflush(stdout);
}
rv = read(status_lock_fd, lockfile_data, sizeof(lockfile_data) - 1);
if (rv < 4) {
close(status_lock_fd);
reason = "Cannot read lockfile data.";
ret = PCMK_LSB_UNKNOWN_ERROR;
goto quit;
}
lockfile_data[rv] = 0;
close(status_lock_fd);
/* Make sure it's only a single line */
cp = strchr(lockfile_data, '\r');
if (cp)
*cp = 0;
cp = strchr(lockfile_data, '\n');
if (cp)
*cp = 0;
rv = setup_tcp_listener(1);
if (rv == 0) {
reason = "TCP port not in use.";
goto quit;
}
fprintf(stdout, "booth_lockfile='%s' %s\n",
cl.lockfile, lockfile_data);
if (!daemonize)
fprintf(stderr, "Booth at %s port %d seems to be running.\n",
local->addr_string, booth_conf->port);
return 0;
quit:
log_debug("not running: %s", reason);
/* Ie. "DEBUG" */
if (!daemonize)
fprintf(stderr, "not running: %s\n", reason);
return ret;
}
static int limit_this_process(void)
{
int rv;
if (!is_root())
return 0;
if (setregid(booth_conf->gid, booth_conf->gid) < 0) {
rv = errno;
log_error("setregid() didn't work: %s", strerror(rv));
return rv;
}
if (setreuid(booth_conf->uid, booth_conf->uid) < 0) {
rv = errno;
log_error("setreuid() didn't work: %s", strerror(rv));
return rv;
}
return 0;
}
static int lock_fd = -1;
static void server_exit(void)
{
int rv;
if (lock_fd >= 0) {
/* We might not be able to delete it, but at least
* make it empty. */
rv = ftruncate(lock_fd, 0);
(void)rv;
unlink_lockfile(lock_fd);
}
log_info("exiting");
}
static void sig_exit_handler(int sig)
{
log_info("caught signal %d", sig);
exit(0);
}
static int do_server(int type)
{
int rv = -1;
static char log_ent[128] = DAEMON_NAME "-";
- rv = setup_config(type);
+ rv = setup_config(type, NULL);
if (rv < 0)
return rv;
if (daemonize) {
if (daemon(0, 0) < 0) {
perror("daemon error");
exit(EXIT_FAILURE);
}
}
/* The lockfile must be written to _after_ the call to daemon(), so
* that the lockfile contains the pid of the daemon, not the parent. */
lock_fd = create_lockfile();
if (lock_fd < 0)
return lock_fd;
atexit(server_exit);
strcat(log_ent, type_to_string(local->type));
cl_log_set_entity(log_ent);
cl_log_enable_stderr(enable_stderr ? TRUE : FALSE);
cl_log_set_facility(HA_LOG_FACILITY);
cl_inherit_logging_environment(0);
log_info("BOOTH %s %s daemon is starting",
type_to_string(local->type), RELEASE_STR);
signal(SIGUSR1, (__sighandler_t)tickets_log_info);
signal(SIGTERM, (__sighandler_t)sig_exit_handler);
signal(SIGINT, (__sighandler_t)sig_exit_handler);
/* we'll handle errors there and then */
signal(SIGPIPE, SIG_IGN);
set_scheduler();
/* we don't want to be killed by the OOM-killer */
if (set_procfs_val("/proc/self/oom_score_adj", "-999"))
(void)set_procfs_val("/proc/self/oom_adj", "-16");
set_proc_title("%s %s %s for [%s]:%d",
DAEMON_NAME,
cl.configfile,
type_to_string(local->type),
local->addr_string,
booth_conf->port);
rv = limit_this_process();
if (rv)
return rv;
#ifdef COREDUMP_NURSING
if (cl_enable_coredumps(TRUE) < 0){
log_error("enabling core dump failed");
}
cl_cdtocoredir();
prctl(PR_SET_DUMPABLE, (unsigned long)TRUE, 0UL, 0UL, 0UL);
#endif
signal(SIGCHLD, (__sighandler_t)wait_child);
rv = loop(lock_fd);
return rv;
}
static int do_client(void)
{
int rv;
+ struct booth_site *site;
- rv = setup_config(CLIENT);
+ rv = setup_config(CLIENT, &site);
if (rv < 0) {
log_error("cannot read config");
goto out;
}
switch (cl.op) {
case CMD_LIST:
case CMD_PEERS:
- rv = query_get_string_answer(cl.op);
+ rv = query_get_string_answer(cl.op, site);
break;
case CMD_GRANT:
case CMD_REVOKE:
- rv = do_command(cl.op);
+ rv = do_command(cl.op, site);
break;
}
out:
return rv;
}
static int do_attr(void)
{
int rv = -1;
+ struct booth_site *site;
- rv = setup_config(GEOSTORE);
+ rv = setup_config(GEOSTORE, &site);
if (rv < 0) {
log_error("cannot read config");
goto out;
}
/* We don't check for existence of ticket, so that asking can be
* done without local configuration, too.
* Although, that means that the UDP port has to be specified, too. */
if (!cl.attr_msg.attr.tkt_id[0]) {
/* If the loaded configuration has only a single ticket defined, use that. */
if (booth_conf->ticket_count == 1) {
strncpy(cl.attr_msg.attr.tkt_id, booth_conf->ticket[0].name,
sizeof(cl.attr_msg.attr.tkt_id));
} else {
rv = 1;
log_error("No ticket given.");
goto out;
}
}
switch (cl.op) {
case ATTR_LIST:
case ATTR_GET:
- rv = query_get_string_answer(cl.op);
+ rv = query_get_string_answer(cl.op, site);
break;
case ATTR_SET:
case ATTR_DEL:
- rv = do_attr_command(cl.op);
+ rv = do_attr_command(cl.op, site);
break;
}
out:
return rv;
}
int main(int argc, char *argv[], char *envp[])
{
int rv;
const char *cp;
#ifdef LOGGING_LIBQB
enum qb_log_target_slot i;
#endif
init_set_proc_title(argc, argv, envp);
get_time(&start_time);
memset(&cl, 0, sizeof(cl));
strncpy(cl.configfile,
BOOTH_DEFAULT_CONF, BOOTH_PATH_LEN - 1);
cl.lockfile[0] = 0;
debug_level = 0;
cp = ((cp = strstr(argv[0], ATTR_PROG)) && !strcmp(cp, ATTR_PROG)
? ATTR_PROG
: "booth");
#ifndef LOGGING_LIBQB
cl_log_set_entity(cp);
#else
qb_log_init(cp, LOG_USER, LOG_DEBUG); /* prio driven by debug_level */
for (i = QB_LOG_TARGET_START; i < QB_LOG_TARGET_MAX; i++) {
if (i == QB_LOG_SYSLOG || i == QB_LOG_BLACKBOX)
continue;
qb_log_format_set(i, "%t %H %N: [%P]: %p: %b");
}
(void) qb_log_filter_ctl(QB_LOG_STDERR, QB_LOG_FILTER_ADD,
QB_LOG_FILTER_FILE, "*", LOG_DEBUG);
#endif
cl_log_enable_stderr(TRUE);
cl_log_set_facility(0);
rv = read_arguments(argc, argv);
if (rv < 0)
goto out;
switch (cl.type) {
case STATUS:
rv = do_status(cl.type);
break;
case ARBITRATOR:
case DAEMON:
case SITE:
rv = do_server(cl.type);
break;
case CLIENT:
rv = do_client();
break;
case GEOSTORE:
rv = do_attr();
break;
}
out:
#ifdef LOGGING_LIBQB
qb_log_fini();
#endif
/* Normalize values. 0x100 would be seen as "OK" by waitpid(). */
return (rv >= 0 && rv < 0x70) ? rv : 1;
}
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