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ab640472a5
This patch (against r950) makes it possible to change the directory where aisexec searches for configuration files. Pretty much in line with the possibility to specify user and group. Just do: make OPENAIS_CONFDIR=/tmp/ais git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@951 fd59a12c-fef9-0310-b244-a6a79926bd2f
333 lines
9.0 KiB
C
333 lines
9.0 KiB
C
/*
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* Copyright (c) 2002-2005 MontaVista Software, Inc.
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*
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* All rights reserved.
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*
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* Author: Steven Dake (sdake@mvista.com)
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*
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* This software licensed under BSD license, the text of which follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the MontaVista Software, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <assert.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "../include/saAis.h"
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#include "../include/list.h"
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#include "util.h"
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#include "mainconfig.h"
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#include "mempool.h"
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#include "print.h"
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#include "totem.h"
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DECLARE_LIST_INIT (saAmfGroupHead);
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static char error_string_response[512];
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typedef enum {
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MAIN_HEAD,
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MAIN_LOGGING,
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MAIN_EVENT,
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MAIN_AMF,
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MAIN_COMPONENTS
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} main_parse_t;
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char *strstr_rs (const char *haystack, const char *needle)
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{
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char *end_address;
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char *new_needle;
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new_needle = (char *)mempool_strdup (needle);
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new_needle[strlen(new_needle) - 1] = '\0';
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end_address = strstr (haystack, new_needle);
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if (end_address) {
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end_address += strlen (new_needle);
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end_address = strstr (end_address, needle + strlen (new_needle));
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}
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if (end_address) {
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end_address += 1; /* skip past { or = */
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do {
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if (*end_address == '\t' || *end_address == ' ') {
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end_address++;
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} else {
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break;
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}
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} while (*end_address != '\0');
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}
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mempool_free (new_needle);
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return (end_address);
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}
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static void set_default_services(struct openais_config *config)
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{
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config->dynamic_services[0].name = "openais_evs";
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config->dynamic_services[0].ver = 0;
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config->dynamic_services[1].name = "openais_clm";
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config->dynamic_services[1].ver = 0;
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config->dynamic_services[2].name = "openais_amf";
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config->dynamic_services[2].ver = 0;
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config->dynamic_services[3].name = "openais_ckpt";
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config->dynamic_services[3].ver = 0;
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config->dynamic_services[4].name = "openais_evt";
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config->dynamic_services[4].ver = 0;
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config->dynamic_services[5].name = "openais_lck";
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config->dynamic_services[5].ver = 0;
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config->dynamic_services[6].name = "openais_msg";
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config->dynamic_services[6].ver = 0;
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config->dynamic_services[7].name = "openais_cfg";
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config->dynamic_services[7].ver = 0;
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config->num_dynamic_services = 8;
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}
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/* Returns an allocated string */
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static char *get_component(const char *line, int *version)
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{
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char *start_address;
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char *end_address;
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char *newline;
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char *compname;
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newline = strdup(line);
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start_address = newline + strspn(newline, " \t");
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end_address = start_address + strcspn(start_address, " \t:");
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*end_address = '\0';
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compname = strdup(start_address);
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/* Now get version */
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start_address = end_address+1;
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start_address = start_address + strspn(start_address, " \t:");
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*version = atoi(start_address);
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free(newline);
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return compname;
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}
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extern int openais_main_config_read (char **error_string,
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struct openais_config *openais_config,
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int interface_max)
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{
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FILE *fp;
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int line_number = 0;
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main_parse_t parse = MAIN_HEAD;
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int logging_parsed = 0;
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int event_parsed = 0;
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int amf_parsed = 0;
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int components_parsed = 0;
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char *loc;
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int i;
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int parse_done = 0;
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char line[512];
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char *error_reason = error_string_response;
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memset (openais_config, 0, sizeof (struct openais_config));
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fp = fopen (OPENAIS_CONFDIR "/openais.conf", "r");
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if (fp == 0) {
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parse_done = 1;
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sprintf (error_reason, "Can't read file %s/openais.conf reason = (%s)\n",
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OPENAIS_CONFDIR, strerror (errno));
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*error_string = error_reason;
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return -1;
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}
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while (fgets (line, 255, fp)) {
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line_number += 1;
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line[strlen(line) - 1] = '\0';
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/*
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* Clear out white space and tabs
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*/
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for (i = strlen (line) - 1; i > -1; i--) {
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if (line[i] == '\t' || line[i] == ' ') {
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line[i] = '\0';
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} else {
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break;
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}
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}
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/*
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* Clear out comments and empty lines
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*/
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if (line[0] == '#' || line[0] == '\0') {
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continue;
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}
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line_number += 1;
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switch (parse) {
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case MAIN_HEAD:
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if (logging_parsed == 0 && strstr_rs (line, "logging{")) {
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logging_parsed = 1;
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parse = MAIN_LOGGING;
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} else
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if (event_parsed == 0 && strstr_rs (line, "event{")) {
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event_parsed = 1;
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parse = MAIN_EVENT;
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} else
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if (amf_parsed == 0 && strstr_rs (line, "amf{")) {
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amf_parsed = 1;
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parse = MAIN_AMF;
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} else
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if (components_parsed == 0 && strstr_rs (line, "components{")) {
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components_parsed = 1;
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parse = MAIN_COMPONENTS;
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} else {
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continue;
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}
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break;
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case MAIN_LOGGING:
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if ((loc = strstr_rs (line, "logoutput:"))) {
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if (strcmp (loc, "file") == 0) {
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openais_config->logmode |= LOG_MODE_FILE;
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} else
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if (strcmp (loc, "syslog") == 0) {
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openais_config->logmode |= LOG_MODE_SYSLOG;
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} else
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if (strcmp (loc, "stderr") == 0) {
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openais_config->logmode |= LOG_MODE_STDERR;
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} else {
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goto parse_error;
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}
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} else
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if ((loc = strstr_rs (line, "debug:"))) {
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if (strcmp (loc, "on") == 0) {
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openais_config->logmode |= LOG_MODE_DEBUG;
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} else
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if (strcmp (loc, "off") == 0) {
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openais_config->logmode &= ~LOG_MODE_DEBUG;
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} else {
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goto parse_error;
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}
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} else
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if ((loc = strstr_rs (line, "timestamp:"))) {
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if (strcmp (loc, "on") == 0) {
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openais_config->logmode |= LOG_MODE_TIMESTAMP;
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} else
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if (strcmp (loc, "off") == 0) {
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openais_config->logmode &= ~LOG_MODE_TIMESTAMP;
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} else {
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goto parse_error;
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}
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} else
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if ((loc = strstr_rs (line, "logfile:"))) {
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openais_config->logfile = strdup (loc);
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} else
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if ((loc = strstr_rs (line, "}"))) {
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parse = MAIN_HEAD;
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} else {
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goto parse_error;
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}
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break;
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case MAIN_EVENT:
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if ((loc = strstr_rs (line, "delivery_queue_size:"))) {
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openais_config->evt_delivery_queue_size = atoi(loc);
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} else if ((loc = strstr_rs (line, "delivery_queue_resume:"))) {
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openais_config->evt_delivery_queue_resume = atoi(loc);
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} else if ((loc = strstr_rs (line, "}"))) {
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parse = MAIN_HEAD;
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} else {
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goto parse_error;
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}
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break;
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case MAIN_AMF:
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if ((loc = strstr_rs (line, "mode:"))) {
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if (strcmp (loc, "enabled") == 0) {
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openais_config->amf_enabled = 1;
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} else
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if (strcmp (loc, "disabled") == 0) {
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openais_config->amf_enabled = 0;
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} else {
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goto parse_error;
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}
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} else
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if ((loc = strstr_rs (line, "}"))) {
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parse = MAIN_HEAD;
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} else {
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goto parse_error;
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}
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break;
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case MAIN_COMPONENTS:
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if ((loc = strstr_rs (line, "}"))) {
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parse = MAIN_HEAD;
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}
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else {
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int version;
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char *name = get_component(line, &version);
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if (name) {
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openais_config->dynamic_services[openais_config->num_dynamic_services].name = name;
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openais_config->dynamic_services[openais_config->num_dynamic_services].ver = version;
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openais_config->num_dynamic_services++;
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}
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}
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break;
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default:
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assert (0 == 1); /* SHOULDN'T HAPPEN */
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break;
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}
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}
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if ((openais_config->logmode & LOG_MODE_FILE) && openais_config->logfile == 0) {
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error_reason = "logmode set to 'file' but no logfile specified";
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goto parse_error;
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}
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/* Load default services if the config file doesn't specify */
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if (!openais_config->num_dynamic_services) {
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set_default_services(openais_config);
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}
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if (parse == MAIN_HEAD) {
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fclose (fp);
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return (0);
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} else {
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error_reason = "Missing closing brace";
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goto parse_error;
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}
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parse_error:
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if (parse_done) {
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sprintf (error_string_response,
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"parse error in %s/openais.conf: %s.\n",
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OPENAIS_CONFDIR, error_reason);
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} else {
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sprintf (error_string_response,
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"parse error in %s/openais.conf: %s (line %d).\n",
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OPENAIS_CONFDIR, error_reason, line_number);
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}
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*error_string = error_string_response;
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fclose (fp);
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return (-1);
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}
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