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mirror_corosync/exec/coroparse.c
Fabio M. Di Nitto 86dd11b28e qdevice: implement master_wins partition 
in previous incarnation of qdisk + cman, master_wins was restricted
to 2 node only.

In this new version it is possible to use master_wins for any cluster
size.

Let's assume a 4 node cluster. Each node votes 1, qdevice votes 3.

node 1 becomes qdevice master
node 2/3/4 no

In case of a split (let's assume 2/2):

partition 1: {4, 1}
partition 2: {1, 1}

node 2 in partition 1 would normally be unquorate, leaving effectively
only node 1 active.

master_wins allows node 2 to recognize to be part of a quorate partition
(since node1 is broadcasting that qdevice is voting) and retain
quorum.

node1 has never lost quorate status since qdevice is voting there.

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>
Reviewed-by: Christine Caulfield <ccaulfie@redhat.com>
Reviewed-by: Jan Friesse <jfriesse@redhat.com>
2012-08-07 11:07:17 +02:00

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/*
* Copyright (c) 2006-2012 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Patrick Caulfield (pcaulfie@redhat.com)
* Jan Friesse (jfriesse@redhat.com)
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the MontaVista Software, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <config.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <dirent.h>
#include <limits.h>
#include <stddef.h>
#include <grp.h>
#include <pwd.h>
#include <corosync/list.h>
#include <qb/qbutil.h>
#define LOGSYS_UTILS_ONLY 1
#include <corosync/logsys.h>
#include <corosync/icmap.h>
#include "main.h"
#include "util.h"
enum parser_cb_type {
PARSER_CB_START,
PARSER_CB_END,
PARSER_CB_SECTION_START,
PARSER_CB_SECTION_END,
PARSER_CB_ITEM,
};
typedef int (*parser_cb_f)(const char *path,
char *key,
char *value,
enum parser_cb_type type,
const char **error_string,
void *user_data);
enum main_cp_cb_data_state {
MAIN_CP_CB_DATA_STATE_NORMAL,
MAIN_CP_CB_DATA_STATE_TOTEM,
MAIN_CP_CB_DATA_STATE_INTERFACE,
MAIN_CP_CB_DATA_STATE_LOGGER_SUBSYS,
MAIN_CP_CB_DATA_STATE_UIDGID,
MAIN_CP_CB_DATA_STATE_LOGGING_DAEMON,
MAIN_CP_CB_DATA_STATE_MEMBER,
MAIN_CP_CB_DATA_STATE_QUORUM,
MAIN_CP_CB_DATA_STATE_QDEVICE,
MAIN_CP_CB_DATA_STATE_NODELIST,
MAIN_CP_CB_DATA_STATE_NODELIST_NODE,
MAIN_CP_CB_DATA_STATE_PLOAD
};
struct key_value_list_item {
char *key;
char *value;
struct list_head list;
};
struct main_cp_cb_data {
enum main_cp_cb_data_state state;
int ringnumber;
char *bindnetaddr;
char *mcastaddr;
char *broadcast;
int mcastport;
int ttl;
struct list_head logger_subsys_items_head;
char *subsys;
char *logging_daemon_name;
struct list_head member_items_head;
int node_number;
int ring0_addr_added;
};
static int read_config_file_into_icmap(
const char **error_string);
static char error_string_response[512];
static int uid_determine (const char *req_user)
{
int pw_uid = 0;
struct passwd passwd;
struct passwd* pwdptr = &passwd;
struct passwd* temp_pwd_pt;
char *pwdbuffer;
int pwdlinelen;
pwdlinelen = sysconf (_SC_GETPW_R_SIZE_MAX);
if (pwdlinelen == -1) {
pwdlinelen = 256;
}
pwdbuffer = malloc (pwdlinelen);
if ((getpwnam_r (req_user, pwdptr, pwdbuffer, pwdlinelen, &temp_pwd_pt)) != 0) {
sprintf (error_string_response,
"The '%s' user is not found in /etc/passwd, please read the documentation.",
req_user);
return (-1);
}
pw_uid = passwd.pw_uid;
free (pwdbuffer);
return pw_uid;
}
static int gid_determine (const char *req_group)
{
int corosync_gid = 0;
struct group group;
struct group * grpptr = &group;
struct group * temp_grp_pt;
char *grpbuffer;
int grplinelen;
grplinelen = sysconf (_SC_GETGR_R_SIZE_MAX);
if (grplinelen == -1) {
grplinelen = 256;
}
grpbuffer = malloc (grplinelen);
if ((getgrnam_r (req_group, grpptr, grpbuffer, grplinelen, &temp_grp_pt)) != 0) {
sprintf (error_string_response,
"The '%s' group is not found in /etc/group, please read the documentation.",
req_group);
return (-1);
}
corosync_gid = group.gr_gid;
free (grpbuffer);
return corosync_gid;
}
static char *strchr_rs (const char *haystack, int byte)
{
const char *end_address = strchr (haystack, byte);
if (end_address) {
end_address += 1; /* skip past { or = */
while (*end_address == ' ' || *end_address == '\t')
end_address++;
}
return ((char *) end_address);
}
int coroparse_configparse (const char **error_string)
{
if (read_config_file_into_icmap(error_string)) {
return -1;
}
return 0;
}
static char *remove_whitespace(char *string)
{
char *start;
char *end;
start = string;
while (*start == ' ' || *start == '\t')
start++;
end = start+(strlen(start))-1;
while ((*end == ' ' || *end == '\t' || *end == ':' || *end == '{') && end > start)
end--;
if (end != start)
*(end+1) = '\0';
return start;
}
static int parse_section(FILE *fp,
char *path,
const char **error_string,
parser_cb_f parser_cb,
void *user_data)
{
char line[512];
int i;
char *loc;
int ignore_line;
char new_keyname[ICMAP_KEYNAME_MAXLEN];
if (strcmp(path, "") == 0) {
parser_cb("", NULL, NULL, PARSER_CB_START, error_string, user_data);
}
while (fgets (line, sizeof (line), fp)) {
if (strlen(line) > 0) {
if (line[strlen(line) - 1] == '\n')
line[strlen(line) - 1] = '\0';
if (strlen (line) > 0 && line[strlen(line) - 1] == '\r')
line[strlen(line) - 1] = '\0';
}
/*
* Clear out white space and tabs
*/
for (i = strlen (line) - 1; i > -1; i--) {
if (line[i] == '\t' || line[i] == ' ') {
line[i] = '\0';
} else {
break;
}
}
ignore_line = 1;
for (i = 0; i < strlen (line); i++) {
if (line[i] != '\t' && line[i] != ' ') {
if (line[i] != '#')
ignore_line = 0;
break;
}
}
/*
* Clear out comments and empty lines
*/
if (ignore_line) {
continue;
}
/* New section ? */
if ((loc = strchr_rs (line, '{'))) {
char *section = remove_whitespace(line);
loc--;
*loc = '\0';
strcpy(new_keyname, path);
if (strcmp(path, "") != 0) {
strcat(new_keyname, ".");
}
strcat(new_keyname, section);
if (!parser_cb(new_keyname, NULL, NULL, PARSER_CB_SECTION_START, error_string, user_data)) {
return -1;
}
if (parse_section(fp, new_keyname, error_string, parser_cb, user_data))
return -1;
}
/* New key/value */
if ((loc = strchr_rs (line, ':'))) {
char *key;
char *value;
*(loc-1) = '\0';
key = remove_whitespace(line);
value = remove_whitespace(loc);
strcpy(new_keyname, path);
if (strcmp(path, "") != 0) {
strcat(new_keyname, ".");
}
strcat(new_keyname, key);
if (!parser_cb(new_keyname, key, value, PARSER_CB_ITEM, error_string, user_data)) {
return -1;
}
}
if (strchr_rs (line, '}')) {
if (!parser_cb(path, NULL, NULL, PARSER_CB_SECTION_END, error_string, user_data)) {
return -1;
}
return 0;
}
}
if (strcmp(path, "") != 0) {
*error_string = "Missing closing brace";
return -1;
}
if (strcmp(path, "") == 0) {
parser_cb("", NULL, NULL, PARSER_CB_END, error_string, user_data);
}
return 0;
}
static int safe_atoi(const char *str, int *res)
{
int val;
char *endptr;
errno = 0;
val = strtol(str, &endptr, 10);
if (errno == ERANGE) {
return (-1);
}
if (endptr == str) {
return (-1);
}
if (*endptr != '\0') {
return (-1);
}
*res = val;
return (0);
}
static int main_config_parser_cb(const char *path,
char *key,
char *value,
enum parser_cb_type type,
const char **error_string,
void *user_data)
{
int i;
int add_as_string;
char key_name[ICMAP_KEYNAME_MAXLEN];
static char formated_err[256];
struct main_cp_cb_data *data = (struct main_cp_cb_data *)user_data;
struct key_value_list_item *kv_item;
struct list_head *iter, *iter_next;
int uid, gid;
switch (type) {
case PARSER_CB_START:
memset(data, 0, sizeof(struct main_cp_cb_data));
data->state = MAIN_CP_CB_DATA_STATE_NORMAL;
break;
case PARSER_CB_END:
break;
case PARSER_CB_ITEM:
add_as_string = 1;
switch (data->state) {
case MAIN_CP_CB_DATA_STATE_NORMAL:
break;
case MAIN_CP_CB_DATA_STATE_PLOAD:
if ((strcmp(path, "pload.count") == 0) ||
(strcmp(path, "pload.size") == 0)) {
if (safe_atoi(value, &i) != 0) {
goto atoi_error;
}
icmap_set_uint32(path, i);
add_as_string = 0;
}
break;
case MAIN_CP_CB_DATA_STATE_QUORUM:
if ((strcmp(path, "quorum.expected_votes") == 0) ||
(strcmp(path, "quorum.votes") == 0) ||
(strcmp(path, "quorum.last_man_standing_window") == 0) ||
(strcmp(path, "quorum.leaving_timeout") == 0)) {
if (safe_atoi(value, &i) != 0) {
goto atoi_error;
}
icmap_set_uint32(path, i);
add_as_string = 0;
}
if ((strcmp(path, "quorum.two_node") == 0) ||
(strcmp(path, "quorum.allow_downscale") == 0) ||
(strcmp(path, "quorum.wait_for_all") == 0) ||
(strcmp(path, "quorum.auto_tie_breaker") == 0) ||
(strcmp(path, "quorum.last_man_standing") == 0)) {
if (safe_atoi(value, &i) != 0) {
goto atoi_error;
}
icmap_set_uint8(path, i);
add_as_string = 0;
}
break;
case MAIN_CP_CB_DATA_STATE_QDEVICE:
if ((strcmp(path, "quorum.device.timeout") == 0) ||
(strcmp(path, "quorum.device.votes") == 0)) {
if (safe_atoi(value, &i) != 0) {
goto atoi_error;
}
icmap_set_uint32(path, i);
add_as_string = 0;
}
if ((strcmp(path, "quorum.device.master_wins") == 0)) {
if (safe_atoi(value, &i) != 0) {
goto atoi_error;
}
icmap_set_uint8(path, i);
add_as_string = 0;
}
case MAIN_CP_CB_DATA_STATE_TOTEM:
if ((strcmp(path, "totem.version") == 0) ||
(strcmp(path, "totem.nodeid") == 0) ||
(strcmp(path, "totem.threads") == 0) ||
(strcmp(path, "totem.token") == 0) ||
(strcmp(path, "totem.token_retransmit") == 0) ||
(strcmp(path, "totem.hold") == 0) ||
(strcmp(path, "totem.token_retransmits_before_loss_const") == 0) ||
(strcmp(path, "totem.join") == 0) ||
(strcmp(path, "totem.send_join") == 0) ||
(strcmp(path, "totem.consensus") == 0) ||
(strcmp(path, "totem.merge") == 0) ||
(strcmp(path, "totem.downcheck") == 0) ||
(strcmp(path, "totem.fail_recv_const") == 0) ||
(strcmp(path, "totem.seqno_unchanged_const") == 0) ||
(strcmp(path, "totem.rrp_token_expired_timeout") == 0) ||
(strcmp(path, "totem.rrp_problem_count_timeout") == 0) ||
(strcmp(path, "totem.rrp_problem_count_threshold") == 0) ||
(strcmp(path, "totem.rrp_problem_count_mcast_threshold") == 0) ||
(strcmp(path, "totem.rrp_autorecovery_check_timeout") == 0) ||
(strcmp(path, "totem.heartbeat_failures_allowed") == 0) ||
(strcmp(path, "totem.max_network_delay") == 0) ||
(strcmp(path, "totem.window_size") == 0) ||
(strcmp(path, "totem.max_messages") == 0) ||
(strcmp(path, "totem.miss_count_const") == 0) ||
(strcmp(path, "totem.netmtu") == 0)) {
if (safe_atoi(value, &i) != 0) {
goto atoi_error;
}
icmap_set_uint32(path, i);
add_as_string = 0;
}
if (strcmp(path, "totem.crypto_type") == 0) {
if ((strcmp(value, "nss") != 0) &&
(strcmp(value, "aes256") != 0)) {
*error_string = "Invalid crypto type";
return (0);
}
}
if (strcmp(path, "totem.crypto_cipher") == 0) {
if ((strcmp(value, "none") != 0) &&
(strcmp(value, "aes256") != 0)) {
*error_string = "Invalid cipher type";
return (0);
}
}
if (strcmp(path, "totem.crypto_hash") == 0) {
if ((strcmp(value, "none") != 0) &&
(strcmp(value, "md5") != 0) &&
(strcmp(value, "sha1") != 0) &&
(strcmp(value, "sha256") != 0) &&
(strcmp(value, "sha384") != 0) &&
(strcmp(value, "sha512") != 0)) {
*error_string = "Invalid hash type";
return (0);
}
}
break;
case MAIN_CP_CB_DATA_STATE_INTERFACE:
if (strcmp(path, "totem.interface.ringnumber") == 0) {
if (safe_atoi(value, &i) != 0) {
goto atoi_error;
}
data->ringnumber = i;
add_as_string = 0;
}
if (strcmp(path, "totem.interface.bindnetaddr") == 0) {
data->bindnetaddr = strdup(value);
add_as_string = 0;
}
if (strcmp(path, "totem.interface.mcastaddr") == 0) {
data->mcastaddr = strdup(value);
add_as_string = 0;
}
if (strcmp(path, "totem.interface.broadcast") == 0) {
data->broadcast = strdup(value);
add_as_string = 0;
}
if (strcmp(path, "totem.interface.mcastport") == 0) {
if (safe_atoi(value, &i) != 0) {
goto atoi_error;
}
data->mcastport = i;
if (data->mcastport < 0 || data->mcastport > 65535) {
*error_string = "Invalid multicast port (should be 0..65535)";
return (0);
};
add_as_string = 0;
}
if (strcmp(path, "totem.interface.ttl") == 0) {
if (safe_atoi(value, &i) != 0) {
goto atoi_error;
}
data->ttl = i;
if (data->ttl < 0 || data->ttl > 255) {
*error_string = "Invalid TTL (should be 0..255)";
return (0);
};
add_as_string = 0;
}
break;
case MAIN_CP_CB_DATA_STATE_LOGGER_SUBSYS:
if (strcmp(key, "subsys") == 0) {
data->subsys = strdup(value);
if (data->subsys == NULL) {
*error_string = "Can't alloc memory";
return (0);
}
} else {
kv_item = malloc(sizeof(*kv_item));
if (kv_item == NULL) {
*error_string = "Can't alloc memory";
return (0);
}
memset(kv_item, 0, sizeof(*kv_item));
kv_item->key = strdup(key);
kv_item->value = strdup(value);
if (kv_item->key == NULL || kv_item->value == NULL) {
free(kv_item);
*error_string = "Can't alloc memory";
return (0);
}
list_init(&kv_item->list);
list_add(&kv_item->list, &data->logger_subsys_items_head);
}
add_as_string = 0;
break;
case MAIN_CP_CB_DATA_STATE_LOGGING_DAEMON:
if (strcmp(key, "subsys") == 0) {
data->subsys = strdup(value);
if (data->subsys == NULL) {
*error_string = "Can't alloc memory";
return (0);
}
} else if (strcmp(key, "name") == 0) {
data->logging_daemon_name = strdup(value);
if (data->logging_daemon_name == NULL) {
*error_string = "Can't alloc memory";
return (0);
}
} else {
kv_item = malloc(sizeof(*kv_item));
if (kv_item == NULL) {
*error_string = "Can't alloc memory";
return (0);
}
memset(kv_item, 0, sizeof(*kv_item));
kv_item->key = strdup(key);
kv_item->value = strdup(value);
if (kv_item->key == NULL || kv_item->value == NULL) {
free(kv_item);
*error_string = "Can't alloc memory";
return (0);
}
list_init(&kv_item->list);
list_add(&kv_item->list, &data->logger_subsys_items_head);
}
add_as_string = 0;
break;
case MAIN_CP_CB_DATA_STATE_UIDGID:
if (strcmp(key, "uid") == 0) {
uid = uid_determine(value);
if (uid == -1) {
*error_string = error_string_response;
return (0);
}
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "uidgid.uid.%u",
uid);
icmap_set_uint8(key_name, 1);
add_as_string = 0;
} else if (strcmp(key, "gid") == 0) {
gid = gid_determine(value);
if (gid == -1) {
*error_string = error_string_response;
return (0);
}
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "uidgid.gid.%u",
gid);
icmap_set_uint8(key_name, 1);
add_as_string = 0;
} else {
*error_string = "uidgid: Only uid and gid are allowed items";
return (0);
}
break;
case MAIN_CP_CB_DATA_STATE_MEMBER:
if (strcmp(key, "memberaddr") != 0) {
*error_string = "Only memberaddr is allowed in member section";
return (0);
}
kv_item = malloc(sizeof(*kv_item));
if (kv_item == NULL) {
*error_string = "Can't alloc memory";
return (0);
}
memset(kv_item, 0, sizeof(*kv_item));
kv_item->key = strdup(key);
kv_item->value = strdup(value);
if (kv_item->key == NULL || kv_item->value == NULL) {
free(kv_item);
*error_string = "Can't alloc memory";
return (0);
}
list_init(&kv_item->list);
list_add(&kv_item->list, &data->member_items_head);
add_as_string = 0;
break;
case MAIN_CP_CB_DATA_STATE_NODELIST:
break;
case MAIN_CP_CB_DATA_STATE_NODELIST_NODE:
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.%s", data->node_number, key);
if ((strcmp(key, "nodeid") == 0) ||
(strcmp(key, "quorum_votes") == 0)) {
if (safe_atoi(value, &i) != 0) {
goto atoi_error;
}
icmap_set_uint32(key_name, i);
add_as_string = 0;
}
if (strcmp(key, "ring0_addr") == 0) {
data->ring0_addr_added = 1;
}
if (add_as_string) {
icmap_set_string(key_name, value);
add_as_string = 0;
}
break;
}
if (add_as_string) {
icmap_set_string(path, value);
}
break;
case PARSER_CB_SECTION_START:
if (strcmp(path, "totem.interface") == 0) {
data->state = MAIN_CP_CB_DATA_STATE_INTERFACE;
data->ringnumber = 0;
data->mcastport = -1;
data->ttl = -1;
list_init(&data->member_items_head);
};
if (strcmp(path, "totem") == 0) {
data->state = MAIN_CP_CB_DATA_STATE_TOTEM;
};
if (strcmp(path, "logging.logger_subsys") == 0) {
data->state = MAIN_CP_CB_DATA_STATE_LOGGER_SUBSYS;
list_init(&data->logger_subsys_items_head);
data->subsys = NULL;
}
if (strcmp(path, "logging.logging_daemon") == 0) {
data->state = MAIN_CP_CB_DATA_STATE_LOGGING_DAEMON;
list_init(&data->logger_subsys_items_head);
data->subsys = NULL;
data->logging_daemon_name = NULL;
}
if (strcmp(path, "uidgid") == 0) {
data->state = MAIN_CP_CB_DATA_STATE_UIDGID;
}
if (strcmp(path, "totem.interface.member") == 0) {
data->state = MAIN_CP_CB_DATA_STATE_MEMBER;
}
if (strcmp(path, "quorum") == 0) {
data->state = MAIN_CP_CB_DATA_STATE_QUORUM;
}
if (strcmp(path, "quorum.device") == 0) {
data->state = MAIN_CP_CB_DATA_STATE_QDEVICE;
}
if (strcmp(path, "nodelist") == 0) {
data->state = MAIN_CP_CB_DATA_STATE_NODELIST;
data->node_number = 0;
}
if (strcmp(path, "nodelist.node") == 0) {
data->state = MAIN_CP_CB_DATA_STATE_NODELIST_NODE;
data->ring0_addr_added = 0;
}
break;
case PARSER_CB_SECTION_END:
switch (data->state) {
case MAIN_CP_CB_DATA_STATE_NORMAL:
break;
case MAIN_CP_CB_DATA_STATE_PLOAD:
data->state = MAIN_CP_CB_DATA_STATE_NORMAL;
break;
case MAIN_CP_CB_DATA_STATE_INTERFACE:
/*
* Create new interface section
*/
if (data->bindnetaddr != NULL) {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.bindnetaddr",
data->ringnumber);
icmap_set_string(key_name, data->bindnetaddr);
free(data->bindnetaddr);
data->bindnetaddr = NULL;
}
if (data->mcastaddr != NULL) {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr",
data->ringnumber);
icmap_set_string(key_name, data->mcastaddr);
free(data->mcastaddr);
data->mcastaddr = NULL;
}
if (data->broadcast != NULL) {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.broadcast",
data->ringnumber);
icmap_set_string(key_name, data->broadcast);
free(data->broadcast);
data->broadcast = NULL;
}
if (data->mcastport > -1) {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport",
data->ringnumber);
icmap_set_uint16(key_name, data->mcastport);
}
if (data->ttl > -1) {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.ttl",
data->ringnumber);
icmap_set_uint8(key_name, data->ttl);
}
i = 0;
for (iter = data->member_items_head.next;
iter != &data->member_items_head; iter = iter_next) {
kv_item = list_entry(iter, struct key_value_list_item, list);
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.member.%u",
data->ringnumber, i);
icmap_set_string(key_name, kv_item->value);
iter_next = iter->next;
free(kv_item->value);
free(kv_item->key);
free(kv_item);
i++;
}
data->state = MAIN_CP_CB_DATA_STATE_TOTEM;
break;
case MAIN_CP_CB_DATA_STATE_TOTEM:
data->state = MAIN_CP_CB_DATA_STATE_NORMAL;
break;
case MAIN_CP_CB_DATA_STATE_LOGGER_SUBSYS:
if (data->subsys == NULL) {
*error_string = "No subsys key in logger_subsys directive";
return (0);
}
for (iter = data->logger_subsys_items_head.next;
iter != &data->logger_subsys_items_head; iter = iter_next) {
kv_item = list_entry(iter, struct key_value_list_item, list);
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "logging.logger_subsys.%s.%s",
data->subsys, kv_item->key);
icmap_set_string(key_name, kv_item->value);
iter_next = iter->next;
free(kv_item->value);
free(kv_item->key);
free(kv_item);
}
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "logging.logger_subsys.%s.subsys",
data->subsys);
icmap_set_string(key_name, data->subsys);
free(data->subsys);
data->state = MAIN_CP_CB_DATA_STATE_NORMAL;
break;
case MAIN_CP_CB_DATA_STATE_LOGGING_DAEMON:
if (data->logging_daemon_name == NULL) {
*error_string = "No name key in logging_daemon directive";
return (0);
}
for (iter = data->logger_subsys_items_head.next;
iter != &data->logger_subsys_items_head; iter = iter_next) {
kv_item = list_entry(iter, struct key_value_list_item, list);
if (data->subsys == NULL) {
if (strcmp(data->logging_daemon_name, "corosync") == 0) {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN,
"logging.%s",
kv_item->key);
} else {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN,
"logging.logging_daemon.%s.%s",
data->logging_daemon_name, kv_item->key);
}
} else {
if (strcmp(data->logging_daemon_name, "corosync") == 0) {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN,
"logging.logger_subsys.%s.%s",
data->subsys,
kv_item->key);
} else {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN,
"logging.logging_daemon.%s.%s.%s",
data->logging_daemon_name, data->subsys,
kv_item->key);
}
}
icmap_set_string(key_name, kv_item->value);
iter_next = iter->next;
free(kv_item->value);
free(kv_item->key);
free(kv_item);
}
if (data->subsys == NULL) {
if (strcmp(data->logging_daemon_name, "corosync") != 0) {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "logging.logging_daemon.%s.name",
data->logging_daemon_name);
icmap_set_string(key_name, data->logging_daemon_name);
}
} else {
if (strcmp(data->logging_daemon_name, "corosync") == 0) {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "logging.logger_subsys.%s.subsys",
data->subsys);
icmap_set_string(key_name, data->subsys);
} else {
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "logging.logging_daemon.%s.%s.subsys",
data->logging_daemon_name, data->subsys);
icmap_set_string(key_name, data->subsys);
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "logging.logging_daemon.%s.%s.name",
data->logging_daemon_name, data->subsys);
icmap_set_string(key_name, data->logging_daemon_name);
}
}
free(data->subsys);
free(data->logging_daemon_name);
data->state = MAIN_CP_CB_DATA_STATE_NORMAL;
break;
case MAIN_CP_CB_DATA_STATE_UIDGID:
data->state = MAIN_CP_CB_DATA_STATE_UIDGID;
break;
case MAIN_CP_CB_DATA_STATE_MEMBER:
data->state = MAIN_CP_CB_DATA_STATE_INTERFACE;
break;
case MAIN_CP_CB_DATA_STATE_QUORUM:
data->state = MAIN_CP_CB_DATA_STATE_NORMAL;
break;
case MAIN_CP_CB_DATA_STATE_QDEVICE:
data->state = MAIN_CP_CB_DATA_STATE_QUORUM;
break;
case MAIN_CP_CB_DATA_STATE_NODELIST:
data->state = MAIN_CP_CB_DATA_STATE_NORMAL;
break;
case MAIN_CP_CB_DATA_STATE_NODELIST_NODE:
if (!data->ring0_addr_added) {
*error_string = "No ring0_addr specified for node";
return (0);
}
data->node_number++;
data->state = MAIN_CP_CB_DATA_STATE_NODELIST;
break;
}
break;
}
return (1);
atoi_error:
snprintf(formated_err, sizeof(formated_err),
"Value of key \"%s\" must be integer, but \"%s\" was given", key, value);
*error_string = formated_err;
return (0);
}
static int uidgid_config_parser_cb(const char *path,
char *key,
char *value,
enum parser_cb_type type,
const char **error_string,
void *user_data)
{
char key_name[ICMAP_KEYNAME_MAXLEN];
int uid, gid;
switch (type) {
case PARSER_CB_START:
break;
case PARSER_CB_END:
break;
case PARSER_CB_ITEM:
if (strcmp(path, "uidgid.uid") == 0) {
uid = uid_determine(value);
if (uid == -1) {
*error_string = error_string_response;
return (0);
}
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "uidgid.uid.%u",
uid);
icmap_set_uint8(key_name, 1);
} else if (strcmp(path, "uidgid.gid") == 0) {
gid = gid_determine(value);
if (gid == -1) {
*error_string = error_string_response;
return (0);
}
snprintf(key_name, ICMAP_KEYNAME_MAXLEN, "uidgid.gid.%u",
gid);
icmap_set_uint8(key_name, 1);
} else {
*error_string = "uidgid: Only uid and gid are allowed items";
return (0);
}
break;
case PARSER_CB_SECTION_START:
if (strcmp(path, "uidgid") != 0) {
*error_string = "uidgid: Can't add subsection different then uidgid";
return (0);
};
break;
case PARSER_CB_SECTION_END:
break;
}
return (1);
}
static int read_uidgid_files_into_icmap(
const char **error_string)
{
FILE *fp;
const char *dirname;
DIR *dp;
struct dirent *dirent;
struct dirent *entry;
char filename[PATH_MAX + FILENAME_MAX + 1];
int res = 0;
size_t len;
int return_code;
struct stat stat_buf;
char key_name[ICMAP_KEYNAME_MAXLEN];
dirname = COROSYSCONFDIR "/uidgid.d";
dp = opendir (dirname);
if (dp == NULL)
return 0;
len = offsetof(struct dirent, d_name) + NAME_MAX + 1;
entry = malloc(len);
if (entry == NULL) {
res = 0;
goto error_exit;
}
for (return_code = readdir_r(dp, entry, &dirent);
dirent != NULL && return_code == 0;
return_code = readdir_r(dp, entry, &dirent)) {
snprintf(filename, sizeof (filename), "%s/%s", dirname, dirent->d_name);
stat (filename, &stat_buf);
if (S_ISREG(stat_buf.st_mode)) {
fp = fopen (filename, "r");
if (fp == NULL) continue;
key_name[0] = 0;
res = parse_section(fp, key_name, error_string, uidgid_config_parser_cb, NULL);
fclose (fp);
if (res != 0) {
goto error_exit;
}
}
}
error_exit:
free (entry);
closedir(dp);
return res;
}
/* Read config file and load into icmap */
static int read_config_file_into_icmap(
const char **error_string)
{
FILE *fp;
const char *filename;
char *error_reason = error_string_response;
int res;
char key_name[ICMAP_KEYNAME_MAXLEN];
struct main_cp_cb_data data;
filename = getenv ("COROSYNC_MAIN_CONFIG_FILE");
if (!filename)
filename = COROSYSCONFDIR "/corosync.conf";
fp = fopen (filename, "r");
if (fp == NULL) {
char error_str[100];
const char *error_ptr = qb_strerror_r(errno, error_str, sizeof(error_str));
snprintf (error_reason, sizeof(error_string_response),
"Can't read file %s reason = (%s)",
filename, error_ptr);
*error_string = error_reason;
return -1;
}
key_name[0] = 0;
res = parse_section(fp, key_name, error_string, main_config_parser_cb, &data);
fclose(fp);
if (res == 0) {
res = read_uidgid_files_into_icmap(error_string);
}
if (res == 0) {
snprintf (error_reason, sizeof(error_string_response),
"Successfully read main configuration file '%s'.", filename);
*error_string = error_reason;
}
return res;
}
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