Shared config parsing for client utils.
Roger A. Light
12 years ago
parent
e5cc63a89b
commit
94ec27911b
@ -0,0 +1,503 @@
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/*
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Copyright (c) 2014 Roger Light <roger@atchoo.org>
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All rights reserved. This program and the accompanying materials
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are made available under the terms of the Eclipse Public License v1.0
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and Eclipse Distribution License v1.0 which accompany this distribution.
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The Eclipse Public License is available at
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http://www.eclipse.org/legal/epl-v10.html
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and the Eclipse Distribution License is available at
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http://www.eclipse.org/org/documents/edl-v10.php.
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Contributors:
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Roger Light - initial implementation and documentation.
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef WIN32
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#include <unistd.h>
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#else
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#include <process.h>
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#include <winsock2.h>
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#define snprintf sprintf_s
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#endif
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#include <mosquitto.h>
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#include "client_shared.h"
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void init_config(struct mosq_config *cfg)
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{
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memset(cfg, 0, sizeof(*cfg));
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cfg->port = 1883;
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cfg->max_inflight = 20;
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cfg->keepalive = 60;
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cfg->clean_session = true;
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cfg->eol = true;
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}
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int client_config_load(struct mosq_config *cfg, int pub_or_sub, int argc, char *argv[])
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{
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int i;
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init_config(cfg);
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for(i=1; i<argc; i++){
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if(!strcmp(argv[i], "-p") || !strcmp(argv[i], "--port")){
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if(i==argc-1){
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fprintf(stderr, "Error: -p argument given but no port specified.\n\n");
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return 1;
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}else{
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cfg->port = atoi(argv[i+1]);
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if(cfg->port<1 || cfg->port>65535){
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fprintf(stderr, "Error: Invalid port given: %d\n", cfg->port);
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return 1;
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}
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}
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i++;
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}else if(!strcmp(argv[i], "-A")){
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if(i==argc-1){
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fprintf(stderr, "Error: -A argument given but no address specified.\n\n");
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return 1;
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}else{
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cfg->bind_address = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "--cafile")){
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if(i==argc-1){
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fprintf(stderr, "Error: --cafile argument given but no file specified.\n\n");
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return 1;
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}else{
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cfg->cafile = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "--capath")){
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if(i==argc-1){
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fprintf(stderr, "Error: --capath argument given but no directory specified.\n\n");
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return 1;
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}else{
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cfg->capath = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "--cert")){
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if(i==argc-1){
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fprintf(stderr, "Error: --cert argument given but no file specified.\n\n");
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return 1;
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}else{
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cfg->certfile = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "--ciphers")){
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if(i==argc-1){
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fprintf(stderr, "Error: --ciphers argument given but no ciphers specified.\n\n");
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return 1;
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}else{
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cfg->ciphers = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug")){
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cfg->debug = true;
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}else if(!strcmp(argv[i], "-f") || !strcmp(argv[i], "--file")){
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if(cfg->pub_mode != MSGMODE_NONE){
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fprintf(stderr, "Error: Only one type of message can be sent at once.\n\n");
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return 1;
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}else if(i==argc-1){
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fprintf(stderr, "Error: -f argument given but no file specified.\n\n");
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return 1;
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}else{
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cfg->pub_mode = MSGMODE_FILE;
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cfg->file_input = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "--help")){
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return 1;
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}else if(!strcmp(argv[i], "-h") || !strcmp(argv[i], "--host")){
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if(i==argc-1){
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fprintf(stderr, "Error: -h argument given but no host specified.\n\n");
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return 1;
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}else{
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cfg->host = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "--insecure")){
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cfg->insecure = true;
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}else if(!strcmp(argv[i], "-i") || !strcmp(argv[i], "--id")){
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if(cfg->id_prefix){
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fprintf(stderr, "Error: -i and -I argument cannot be used together.\n\n");
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return 1;
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}
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if(i==argc-1){
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fprintf(stderr, "Error: -i argument given but no id specified.\n\n");
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return 1;
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}else{
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cfg->id = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "-I") || !strcmp(argv[i], "--id-prefix")){
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if(cfg->id){
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fprintf(stderr, "Error: -i and -I argument cannot be used together.\n\n");
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return 1;
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}
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if(i==argc-1){
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fprintf(stderr, "Error: -I argument given but no id prefix specified.\n\n");
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return 1;
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}else{
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cfg->id_prefix = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "-k") || !strcmp(argv[i], "--keepalive")){
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if(i==argc-1){
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fprintf(stderr, "Error: -k argument given but no keepalive specified.\n\n");
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return 1;
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}else{
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cfg->keepalive = atoi(argv[i+1]);
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if(cfg->keepalive>65535){
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fprintf(stderr, "Error: Invalid keepalive given: %d\n", cfg->keepalive);
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return 1;
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}
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}
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i++;
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}else if(!strcmp(argv[i], "--key")){
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if(i==argc-1){
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fprintf(stderr, "Error: --key argument given but no file specified.\n\n");
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return 1;
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}else{
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cfg->keyfile = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "-l") || !strcmp(argv[i], "--stdin-line")){
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if(cfg->pub_mode != MSGMODE_NONE){
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fprintf(stderr, "Error: Only one type of message can be sent at once.\n\n");
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return 1;
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}else{
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cfg->pub_mode = MSGMODE_STDIN_LINE;
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}
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}else if(!strcmp(argv[i], "-m") || !strcmp(argv[i], "--message")){
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if(cfg->pub_mode != MSGMODE_NONE){
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fprintf(stderr, "Error: Only one type of message can be sent at once.\n\n");
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return 1;
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}else if(i==argc-1){
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fprintf(stderr, "Error: -m argument given but no message specified.\n\n");
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return 1;
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}else{
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cfg->message = argv[i+1];
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cfg->msglen = strlen(cfg->message);
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cfg->pub_mode = MSGMODE_CMD;
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}
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i++;
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}else if(!strcmp(argv[i], "-M")){
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if(i==argc-1){
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fprintf(stderr, "Error: -M argument given but max_inflight not specified.\n\n");
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return 1;
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}else{
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cfg->max_inflight = atoi(argv[i+1]);
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}
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i++;
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}else if(!strcmp(argv[i], "-n") || !strcmp(argv[i], "--null-message")){
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if(cfg->pub_mode != MSGMODE_NONE){
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fprintf(stderr, "Error: Only one type of message can be sent at once.\n\n");
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return 1;
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}else{
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cfg->pub_mode = MSGMODE_NULL;
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}
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}else if(!strcmp(argv[i], "--psk")){
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if(i==argc-1){
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fprintf(stderr, "Error: --psk argument given but no key specified.\n\n");
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return 1;
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}else{
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cfg->psk = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "--psk-identity")){
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if(i==argc-1){
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fprintf(stderr, "Error: --psk-identity argument given but no identity specified.\n\n");
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return 1;
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}else{
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cfg->psk_identity = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "-q") || !strcmp(argv[i], "--qos")){
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if(i==argc-1){
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fprintf(stderr, "Error: -q argument given but no QoS specified.\n\n");
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return 1;
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}else{
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cfg->qos = atoi(argv[i+1]);
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if(cfg->qos<0 || cfg->qos>2){
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fprintf(stderr, "Error: Invalid QoS given: %d\n", cfg->qos);
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return 1;
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}
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}
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i++;
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}else if(!strcmp(argv[i], "--quiet")){
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cfg->quiet = true;
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}else if(!strcmp(argv[i], "-r") || !strcmp(argv[i], "--retain")){
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cfg->retain = 1;
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}else if(!strcmp(argv[i], "-s") || !strcmp(argv[i], "--stdin-file")){
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if(cfg->pub_mode != MSGMODE_NONE){
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fprintf(stderr, "Error: Only one type of message can be sent at once.\n\n");
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return 1;
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}else{
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cfg->pub_mode = MSGMODE_STDIN_FILE;
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}
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}else if(!strcmp(argv[i], "-S")){
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cfg->use_srv = true;
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}else if(!strcmp(argv[i], "-t") || !strcmp(argv[i], "--topic")){
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if(i==argc-1){
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fprintf(stderr, "Error: -t argument given but no topic specified.\n\n");
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return 1;
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}else{
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if(pub_or_sub == CLIENT_PUB){
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cfg->topic = argv[i+1];
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}else{
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cfg->topic_count++;
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cfg->topics = realloc(cfg->topics, cfg->topic_count*sizeof(char *));
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cfg->topics[cfg->topic_count-1] = argv[i+1];
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}
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i++;
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}
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}else if(!strcmp(argv[i], "-T") || !strcmp(argv[i], "--filter-out")){
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if(pub_or_sub == CLIENT_PUB){
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goto unknown_option;
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}
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if(i==argc-1){
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fprintf(stderr, "Error: -T argument given but no topic filter specified.\n\n");
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return 1;
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}else{
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cfg->filter_out_count++;
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cfg->filter_outs = realloc(cfg->filter_outs, cfg->filter_out_count*sizeof(char *));
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cfg->filter_outs[cfg->filter_out_count-1] = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "--tls-version")){
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if(i==argc-1){
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fprintf(stderr, "Error: --tls-version argument given but no version specified.\n\n");
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return 1;
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}else{
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cfg->tls_version = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "-u") || !strcmp(argv[i], "--username")){
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if(i==argc-1){
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fprintf(stderr, "Error: -u argument given but no username specified.\n\n");
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return 1;
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}else{
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cfg->username = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "-P") || !strcmp(argv[i], "--pw")){
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if(i==argc-1){
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fprintf(stderr, "Error: -P argument given but no password specified.\n\n");
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return 1;
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}else{
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cfg->password = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "--will-payload")){
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if(i==argc-1){
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fprintf(stderr, "Error: --will-payload argument given but no will payload specified.\n\n");
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return 1;
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}else{
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cfg->will_payload = argv[i+1];
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cfg->will_payloadlen = strlen(cfg->will_payload);
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}
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i++;
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}else if(!strcmp(argv[i], "--will-qos")){
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if(i==argc-1){
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fprintf(stderr, "Error: --will-qos argument given but no will QoS specified.\n\n");
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return 1;
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}else{
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cfg->will_qos = atoi(argv[i+1]);
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if(cfg->will_qos < 0 || cfg->will_qos > 2){
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fprintf(stderr, "Error: Invalid will QoS %d.\n\n", cfg->will_qos);
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return 1;
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}
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}
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i++;
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}else if(!strcmp(argv[i], "--will-retain")){
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cfg->will_retain = true;
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}else if(!strcmp(argv[i], "--will-topic")){
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if(i==argc-1){
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fprintf(stderr, "Error: --will-topic argument given but no will topic specified.\n\n");
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return 1;
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}else{
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cfg->will_topic = argv[i+1];
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}
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i++;
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}else if(!strcmp(argv[i], "-c") || !strcmp(argv[i], "--disable-clean-session")){
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if(pub_or_sub == CLIENT_PUB){
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goto unknown_option;
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}
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cfg->clean_session = false;
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}else if(!strcmp(argv[i], "-N")){
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if(pub_or_sub == CLIENT_PUB){
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goto unknown_option;
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}
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cfg->eol = false;
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}else if(!strcmp(argv[i], "-R")){
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if(pub_or_sub == CLIENT_PUB){
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goto unknown_option;
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}
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cfg->no_retain = true;
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}else if(!strcmp(argv[i], "-v") || !strcmp(argv[i], "--verbose")){
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if(pub_or_sub == CLIENT_PUB){
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goto unknown_option;
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}
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cfg->verbose = 1;
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}else{
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goto unknown_option;
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}
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}
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if(cfg->will_payload && !cfg->will_topic){
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fprintf(stderr, "Error: Will payload given, but no will topic given.\n");
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return 1;
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}
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if(cfg->will_retain && !cfg->will_topic){
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fprintf(stderr, "Error: Will retain given, but no will topic given.\n");
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return 1;
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}
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if(cfg->password && !cfg->username){
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if(!cfg->quiet) fprintf(stderr, "Warning: Not using password since username not set.\n");
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}
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if((cfg->certfile && !cfg->keyfile) || (cfg->keyfile && !cfg->certfile)){
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fprintf(stderr, "Error: Both certfile and keyfile must be provided if one of them is.\n");
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return 1;
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}
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if((cfg->cafile || cfg->capath) && cfg->psk){
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if(!cfg->quiet) fprintf(stderr, "Error: Only one of --psk or --cafile/--capath may be used at once.\n");
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return 1;
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}
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if(cfg->psk && !cfg->psk_identity){
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if(!cfg->quiet) fprintf(stderr, "Error: --psk-identity required if --psk used.\n");
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return 1;
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}
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if(pub_or_sub == CLIENT_SUB){
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if(cfg->clean_session == false && (cfg->id_prefix || !cfg->id)){
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if(!cfg->quiet) fprintf(stderr, "Error: You must provide a client id if you are using the -c option.\n");
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return 1;
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}
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if(cfg->topic_count == 0){
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if(!cfg->quiet) fprintf(stderr, "Error: You must specify a topic to subscribe to.\n");
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return 1;
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}
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}
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if(!cfg->host){
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cfg->host = "localhost";
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}
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return MOSQ_ERR_SUCCESS;
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unknown_option:
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fprintf(stderr, "Error: Unknown option '%s'.\n",argv[i]);
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return 1;
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}
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int client_opts_set(struct mosquitto *mosq, struct mosq_config *cfg)
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{
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if(cfg->will_topic && mosquitto_will_set(mosq, cfg->will_topic,
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cfg->will_payloadlen, cfg->will_payload, cfg->will_qos,
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cfg->will_retain)){
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if(!cfg->quiet) fprintf(stderr, "Error: Problem setting will.\n");
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mosquitto_lib_cleanup();
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return 1;
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}
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if(cfg->username && mosquitto_username_pw_set(mosq, cfg->username, cfg->password)){
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if(!cfg->quiet) fprintf(stderr, "Error: Problem setting username and password.\n");
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mosquitto_lib_cleanup();
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return 1;
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}
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if((cfg->cafile || cfg->capath)
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&& mosquitto_tls_set(mosq, cfg->cafile, cfg->capath, cfg->certfile, cfg->keyfile, NULL)){
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if(!cfg->quiet) fprintf(stderr, "Error: Problem setting TLS options.\n");
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mosquitto_lib_cleanup();
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return 1;
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}
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if(cfg->insecure && mosquitto_tls_insecure_set(mosq, true)){
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if(!cfg->quiet) fprintf(stderr, "Error: Problem setting TLS insecure option.\n");
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mosquitto_lib_cleanup();
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return 1;
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}
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if(cfg->psk && mosquitto_tls_psk_set(mosq, cfg->psk, cfg->psk_identity, NULL)){
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if(!cfg->quiet) fprintf(stderr, "Error: Problem setting TLS-PSK options.\n");
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mosquitto_lib_cleanup();
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return 1;
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}
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if(cfg->tls_version && mosquitto_tls_opts_set(mosq, 1, cfg->tls_version, cfg->ciphers)){
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if(!cfg->quiet) fprintf(stderr, "Error: Problem setting TLS options.\n");
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mosquitto_lib_cleanup();
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return 1;
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}
|
||||
mosquitto_max_inflight_messages_set(mosq, cfg->max_inflight);
|
||||
return MOSQ_ERR_SUCCESS;
|
||||
}
|
||||
|
||||
int client_id_generate(struct mosq_config *cfg, const char *id_base)
|
||||
{
|
||||
int len;
|
||||
char hostname[256];
|
||||
|
||||
if(cfg->id_prefix){
|
||||
cfg->id = malloc(strlen(cfg->id_prefix)+10);
|
||||
if(!cfg->id){
|
||||
if(!cfg->quiet) fprintf(stderr, "Error: Out of memory.\n");
|
||||
mosquitto_lib_cleanup();
|
||||
return 1;
|
||||
}
|
||||
snprintf(cfg->id, strlen(cfg->id_prefix)+10, "%s%d", cfg->id_prefix, getpid());
|
||||
}else if(!cfg->id){
|
||||
hostname[0] = '\0';
|
||||
gethostname(hostname, 256);
|
||||
hostname[255] = '\0';
|
||||
len = strlen(id_base) + strlen("/-") + 6 + strlen(hostname);
|
||||
cfg->id = malloc(len);
|
||||
if(!cfg->id){
|
||||
if(!cfg->quiet) fprintf(stderr, "Error: Out of memory.\n");
|
||||
mosquitto_lib_cleanup();
|
||||
return 1;
|
||||
}
|
||||
snprintf(cfg->id, len, "%s/%d-%s", id_base, getpid(), hostname);
|
||||
if(strlen(cfg->id) > MOSQ_MQTT_ID_MAX_LENGTH){
|
||||
/* Enforce maximum client id length of 23 characters */
|
||||
cfg->id[MOSQ_MQTT_ID_MAX_LENGTH] = '\0';
|
||||
}
|
||||
}
|
||||
return MOSQ_ERR_SUCCESS;
|
||||
}
|
||||
|
||||
int client_connect(struct mosquitto *mosq, struct mosq_config *cfg)
|
||||
{
|
||||
char err[1024];
|
||||
int rc;
|
||||
|
||||
if(cfg->use_srv){
|
||||
rc = mosquitto_connect_srv(mosq, cfg->host, cfg->keepalive, cfg->bind_address);
|
||||
}else{
|
||||
rc = mosquitto_connect_bind(mosq, cfg->host, cfg->port, cfg->keepalive, cfg->bind_address);
|
||||
}
|
||||
if(rc){
|
||||
if(!cfg->quiet){
|
||||
if(rc == MOSQ_ERR_ERRNO){
|
||||
#ifndef WIN32
|
||||
strerror_r(errno, err, 1024);
|
||||
#else
|
||||
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, errno, 0, (LPTSTR)&err, 1024, NULL);
|
||||
#endif
|
||||
fprintf(stderr, "Error: %s\n", err);
|
||||
}else{
|
||||
fprintf(stderr, "Unable to connect (%d).\n", rc);
|
||||
}
|
||||
}
|
||||
mosquitto_lib_cleanup();
|
||||
return rc;
|
||||
}
|
||||
return MOSQ_ERR_SUCCESS;
|
||||
}
|
||||
@ -0,0 +1,87 @@
|
||||
/*
|
||||
Copyright (c) 2014 Roger Light <roger@atchoo.org>
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Roger Light - initial implementation and documentation.
|
||||
*/
|
||||
|
||||
#ifndef _CLIENT_CONFIG_H
|
||||
#define _CLIENT_CONFIG_H
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
/* pub_client.c modes */
|
||||
#define MSGMODE_NONE 0
|
||||
#define MSGMODE_CMD 1
|
||||
#define MSGMODE_STDIN_LINE 2
|
||||
#define MSGMODE_STDIN_FILE 3
|
||||
#define MSGMODE_FILE 4
|
||||
#define MSGMODE_NULL 5
|
||||
|
||||
#define CLIENT_PUB 1
|
||||
#define CLIENT_SUB 2
|
||||
|
||||
struct mosq_config {
|
||||
char *id;
|
||||
char *id_prefix;
|
||||
int keepalive;
|
||||
char *host;
|
||||
int port;
|
||||
int qos;
|
||||
bool retain;
|
||||
int pub_mode; /* pub */
|
||||
char *file_input; /* pub */
|
||||
char *message; /* pub */
|
||||
long msglen; /* pub */
|
||||
char *topic; /* pub */
|
||||
char *bind_address;
|
||||
bool use_srv;
|
||||
bool debug;
|
||||
bool quiet;
|
||||
unsigned int max_inflight;
|
||||
char *username;
|
||||
char *password;
|
||||
char *will_topic;
|
||||
char *will_payload;
|
||||
long will_payloadlen;
|
||||
int will_qos;
|
||||
bool will_retain;
|
||||
#ifdef WITH_TLS
|
||||
char *cafile;
|
||||
char *capath;
|
||||
char *certfile;
|
||||
char *keyfile;
|
||||
char *ciphers;
|
||||
bool insecure;
|
||||
char *tls_version;
|
||||
# ifdef WITH_TLS_PSK
|
||||
char *psk;
|
||||
char *psk_identity;
|
||||
# endif
|
||||
bool clean_session; /* sub */
|
||||
char **topics; /* sub */
|
||||
int topic_count; /* sub */
|
||||
int topic_qos; /* sub */
|
||||
bool no_retain; /* sub */
|
||||
char **filter_outs; /* sub */
|
||||
int filter_out_count; /* sub */
|
||||
bool verbose; /* sub */
|
||||
bool eol; /* sub */
|
||||
#endif
|
||||
};
|
||||
|
||||
int client_config_load(struct mosq_config *config, int pub_or_sub, int argc, char *argv[]);
|
||||
int client_opts_set(struct mosquitto *mosq, struct mosq_config *cfg);
|
||||
int client_id_generate(struct mosq_config *cfg, const char *id_base);
|
||||
int client_connect(struct mosquitto *mosq, struct mosq_config *cfg);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue