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client_shared.c
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client_shared.c
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/*
Copyright (c) 2014-2020 Roger Light <[email protected]>
All rights reserved. This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
and Eclipse Distribution License v1.0 which accompany this distribution.
The Eclipse Public License is available at
https://www.eclipse.org/legal/epl-2.0/
and the Eclipse Distribution License is available at
http:https://www.eclipse.org/org/documents/edl-v10.php.
Contributors:
Roger Light - initial implementation and documentation.
*/
#include "config.h"
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef WIN32
#include <unistd.h>
#include <strings.h>
#else
#include <process.h>
#include <winsock2.h>
#define snprintf sprintf_s
#define strncasecmp _strnicmp
#endif
#include <mosquitto.h>
#include <mqtt_protocol.h>
#include "client_shared.h"
#ifdef WITH_SOCKS
static int mosquitto__parse_socks_url(struct mosq_config *cfg, char *url);
#endif
static int client_config_line_proc(struct mosq_config *cfg, int pub_or_sub, int argc, char *argv[]);
static int check_format(const char *str)
{
int i;
size_t len;
len = strlen(str);
for(i=0; i<len; i++){
if(str[i] == '%'){
if(i == len-1){
// error
fprintf(stderr, "Error: Incomplete format specifier.\n");
return 1;
}else{
if(str[i+1] == '0' || str[i+1] == '-'){
/* Flag characters */
i++;
if(i == len-1){
// error
fprintf(stderr, "Error: Incomplete format specifier.\n");
return 1;
}
}
/* Field width */
while(str[i+1] >= '0' && str[i+1] <= '9'){
i++;
if(i == len-1){
// error
fprintf(stderr, "Error: Incomplete format specifier.\n");
return 1;
}
}
if(str[i+1] == '.'){
/* Precision specifier */
i++;
if(i == len-1){
// error
fprintf(stderr, "Error: Incomplete format specifier.\n");
return 1;
}
/* Precision */
while(str[i+1] >= '0' && str[i+1] <= '9'){
i++;
if(i == len-1){
// error
fprintf(stderr, "Error: Incomplete format specifier.\n");
return 1;
}
}
}
if(str[i+1] == '%'){
// Print %, ignore
}else if(str[i+1] == 'A'){
// MQTT v5 property topic-alias
}else if(str[i+1] == 'C'){
// MQTT v5 property content-type
}else if(str[i+1] == 'D'){
// MQTT v5 property correlation-data
}else if(str[i+1] == 'E'){
// MQTT v5 property message-expiry-interval
}else if(str[i+1] == 'F'){
// MQTT v5 property payload-format-indicator
}else if(str[i+1] == 'I'){
// ISO 8601 date+time
}else if(str[i+1] == 'l'){
// payload length
}else if(str[i+1] == 'm'){
// mid
}else if(str[i+1] == 'P'){
// MQTT v5 property user-property
}else if(str[i+1] == 'p'){
// payload
}else if(str[i+1] == 'q'){
// qos
}else if(str[i+1] == 'R'){
// MQTT v5 property response-topic
}else if(str[i+1] == 'S'){
// MQTT v5 property subscription-identifier
}else if(str[i+1] == 'r'){
// retain
}else if(str[i+1] == 't'){
// topic
}else if(str[i+1] == 'j'){
// JSON output, escaped payload
}else if(str[i+1] == 'J'){
// JSON output, assuming JSON payload
}else if(str[i+1] == 'U'){
// Unix time+nanoseconds
#ifdef WIN32
fprintf(stderr, "Error: The %%U format option is not supported on Windows.\n");
return 1;
#endif
}else if(str[i+1] == 'x' || str[i+1] == 'X'){
// payload in hex
}else{
fprintf(stderr, "Error: Invalid format specifier '%c'.\n", str[i+1]);
return 1;
}
i++;
}
}else if(str[i] == '@'){
if(i == len-1){
// error
fprintf(stderr, "Error: Incomplete format specifier.\n");
return 1;
}
i++;
}else if(str[i] == '\\'){
if(i == len-1){
// error
fprintf(stderr, "Error: Incomplete escape specifier.\n");
return 1;
}else{
switch(str[i+1]){
case '\\': // '\'
case '0': // 0 (NULL)
case 'a': // alert
case 'e': // escape
case 'n': // new line
case 'r': // carriage return
case 't': // horizontal tab
case 'v': // vertical tab
break;
default:
fprintf(stderr, "Error: Invalid escape specifier '%c'.\n", str[i+1]);
return 1;
}
i++;
}
}
}
return 0;
}
void init_config(struct mosq_config *cfg, int pub_or_sub)
{
memset(cfg, 0, sizeof(*cfg));
cfg->port = PORT_UNDEFINED;
cfg->max_inflight = 20;
cfg->keepalive = 60;
cfg->clean_session = true;
cfg->eol = true;
cfg->repeat_count = 1;
cfg->repeat_delay.tv_sec = 0;
cfg->repeat_delay.tv_usec = 0;
cfg->random_filter = 10000;
if(pub_or_sub == CLIENT_RR){
cfg->protocol_version = MQTT_PROTOCOL_V5;
cfg->msg_count = 1;
}else{
cfg->protocol_version = MQTT_PROTOCOL_V311;
}
cfg->session_expiry_interval = -1; /* -1 means unset here, the user can't set it to -1. */
}
void client_config_cleanup(struct mosq_config *cfg)
{
int i;
free(cfg->id);
free(cfg->id_prefix);
free(cfg->host);
free(cfg->file_input);
free(cfg->message);
free(cfg->topic);
free(cfg->bind_address);
free(cfg->username);
free(cfg->password);
free(cfg->will_topic);
free(cfg->will_payload);
free(cfg->format);
free(cfg->response_topic);
#ifdef WITH_TLS
free(cfg->cafile);
free(cfg->capath);
free(cfg->certfile);
free(cfg->keyfile);
free(cfg->ciphers);
free(cfg->tls_alpn);
free(cfg->tls_version);
free(cfg->tls_engine);
free(cfg->tls_engine_kpass_sha1);
free(cfg->keyform);
# ifdef FINAL_WITH_TLS_PSK
free(cfg->psk);
free(cfg->psk_identity);
# endif
#endif
if(cfg->topics){
for(i=0; i<cfg->topic_count; i++){
free(cfg->topics[i]);
}
free(cfg->topics);
}
if(cfg->filter_outs){
for(i=0; i<cfg->filter_out_count; i++){
free(cfg->filter_outs[i]);
}
free(cfg->filter_outs);
}
if(cfg->unsub_topics){
for(i=0; i<cfg->unsub_topic_count; i++){
free(cfg->unsub_topics[i]);
}
free(cfg->unsub_topics);
}
#ifdef WITH_SOCKS
free(cfg->socks5_host);
free(cfg->socks5_username);
free(cfg->socks5_password);
#endif
mosquitto_property_free_all(&cfg->connect_props);
mosquitto_property_free_all(&cfg->publish_props);
mosquitto_property_free_all(&cfg->subscribe_props);
mosquitto_property_free_all(&cfg->unsubscribe_props);
mosquitto_property_free_all(&cfg->disconnect_props);
mosquitto_property_free_all(&cfg->will_props);
}
int client_config_load(struct mosq_config *cfg, int pub_or_sub, int argc, char *argv[])
{
int rc;
FILE *fptr;
char line[1024];
int count;
char *loc = NULL;
size_t len;
char *args[3];
#ifndef WIN32
char *env;
#else
char env[1024];
#endif
args[0] = NULL;
init_config(cfg, pub_or_sub);
/* Default config file */
#ifndef WIN32
env = getenv("XDG_CONFIG_HOME");
if(env){
len = strlen(env) + strlen("/mosquitto_pub") + 1;
loc = malloc(len);
if(!loc){
err_printf(cfg, "Error: Out of memory.\n");
return 1;
}
if(pub_or_sub == CLIENT_PUB){
snprintf(loc, len, "%s/mosquitto_pub", env);
}else if(pub_or_sub == CLIENT_SUB){
snprintf(loc, len, "%s/mosquitto_sub", env);
}else{
snprintf(loc, len, "%s/mosquitto_rr", env);
}
loc[len-1] = '\0';
}else{
env = getenv("HOME");
if(env){
len = strlen(env) + strlen("/.config/mosquitto_pub") + 1;
loc = malloc(len);
if(!loc){
err_printf(cfg, "Error: Out of memory.\n");
return 1;
}
if(pub_or_sub == CLIENT_PUB){
snprintf(loc, len, "%s/.config/mosquitto_pub", env);
}else if(pub_or_sub == CLIENT_SUB){
snprintf(loc, len, "%s/.config/mosquitto_sub", env);
}else{
snprintf(loc, len, "%s/.config/mosquitto_rr", env);
}
loc[len-1] = '\0';
}
}
#else
rc = GetEnvironmentVariable("USERPROFILE", env, 1024);
if(rc > 0 && rc < 1024){
len = strlen(env) + strlen("\\mosquitto_pub.conf") + 1;
loc = malloc(len);
if(!loc){
err_printf(cfg, "Error: Out of memory.\n");
return 1;
}
if(pub_or_sub == CLIENT_PUB){
snprintf(loc, len, "%s\\mosquitto_pub.conf", env);
}else if(pub_or_sub == CLIENT_SUB){
snprintf(loc, len, "%s\\mosquitto_sub.conf", env);
}else{
snprintf(loc, len, "%s\\mosquitto_rr.conf", env);
}
loc[len-1] = '\0';
}
#endif
if(loc){
fptr = fopen(loc, "rt");
if(fptr){
while(fgets(line, 1024, fptr)){
if(line[0] == '#') continue; /* Comments */
while(line[strlen(line)-1] == 10 || line[strlen(line)-1] == 13){
line[strlen(line)-1] = 0;
}
/* All offset by one "args" here, because real argc/argv has
* program name as the first entry. */
args[1] = strtok(line, " ");
if(args[1]){
args[2] = strtok(NULL, " ");
if(args[2]){
count = 3;
}else{
count = 2;
}
rc = client_config_line_proc(cfg, pub_or_sub, count, args);
if(rc){
fclose(fptr);
free(loc);
return rc;
}
}
}
fclose(fptr);
}
free(loc);
}
/* Deal with real argc/argv */
rc = client_config_line_proc(cfg, pub_or_sub, argc, argv);
if(rc) return rc;
if(cfg->will_payload && !cfg->will_topic){
fprintf(stderr, "Error: Will payload given, but no will topic given.\n");
return 1;
}
if(cfg->will_retain && !cfg->will_topic){
fprintf(stderr, "Error: Will retain given, but no will topic given.\n");
return 1;
}
#ifdef WITH_TLS
if((cfg->certfile && !cfg->keyfile) || (cfg->keyfile && !cfg->certfile)){
fprintf(stderr, "Error: Both certfile and keyfile must be provided if one of them is set.\n");
return 1;
}
if((cfg->keyform && !cfg->keyfile)){
fprintf(stderr, "Error: If keyform is set, keyfile must be also specified.\n");
return 1;
}
if((cfg->tls_engine_kpass_sha1 && (!cfg->keyform || !cfg->tls_engine))){
fprintf(stderr, "Error: when using tls-engine-kpass-sha1, both tls-engine and keyform must also be provided.\n");
return 1;
}
#endif
#ifdef FINAL_WITH_TLS_PSK
if((cfg->cafile || cfg->capath) && cfg->psk){
fprintf(stderr, "Error: Only one of --psk or --cafile/--capath may be used at once.\n");
return 1;
}
if(cfg->psk && !cfg->psk_identity){
fprintf(stderr, "Error: --psk-identity required if --psk used.\n");
return 1;
}
#endif
if(cfg->protocol_version == 5){
if(cfg->clean_session == false && cfg->session_expiry_interval == -1){
/* User hasn't set session-expiry-interval, but has cleared clean
* session so default to persistent session. */
cfg->session_expiry_interval = UINT32_MAX;
}
if(cfg->session_expiry_interval > 0){
if(cfg->session_expiry_interval == UINT32_MAX && (cfg->id_prefix || !cfg->id)){
fprintf(stderr, "Error: You must provide a client id if you are using an infinite session expiry interval.\n");
return 1;
}
rc = mosquitto_property_add_int32(&cfg->connect_props, MQTT_PROP_SESSION_EXPIRY_INTERVAL, (uint32_t )cfg->session_expiry_interval);
if(rc){
fprintf(stderr, "Error adding property session-expiry-interval\n");
}
}
}else{
if(cfg->clean_session == false && (cfg->id_prefix || !cfg->id)){
fprintf(stderr, "Error: You must provide a client id if you are using the -c option.\n");
return 1;
}
}
if(pub_or_sub == CLIENT_SUB){
if(cfg->topic_count == 0){
fprintf(stderr, "Error: You must specify a topic to subscribe to.\n");
return 1;
}
}
if(!cfg->host){
cfg->host = strdup("localhost");
if(!cfg->host){
err_printf(cfg, "Error: Out of memory.\n");
return 1;
}
}
rc = mosquitto_property_check_all(CMD_CONNECT, cfg->connect_props);
if(rc){
err_printf(cfg, "Error in CONNECT properties: %s\n", mosquitto_strerror(rc));
return 1;
}
rc = mosquitto_property_check_all(CMD_PUBLISH, cfg->publish_props);
if(rc){
err_printf(cfg, "Error in PUBLISH properties: %s\n", mosquitto_strerror(rc));
return 1;
}
rc = mosquitto_property_check_all(CMD_SUBSCRIBE, cfg->subscribe_props);
if(rc){
err_printf(cfg, "Error in SUBSCRIBE properties: %s\n", mosquitto_strerror(rc));
return 1;
}
rc = mosquitto_property_check_all(CMD_UNSUBSCRIBE, cfg->unsubscribe_props);
if(rc){
err_printf(cfg, "Error in UNSUBSCRIBE properties: %s\n", mosquitto_strerror(rc));
return 1;
}
rc = mosquitto_property_check_all(CMD_DISCONNECT, cfg->disconnect_props);
if(rc){
err_printf(cfg, "Error in DISCONNECT properties: %s\n", mosquitto_strerror(rc));
return 1;
}
rc = mosquitto_property_check_all(CMD_WILL, cfg->will_props);
if(rc){
err_printf(cfg, "Error in Will properties: %s\n", mosquitto_strerror(rc));
return 1;
}
return MOSQ_ERR_SUCCESS;
}
int cfg_add_topic(struct mosq_config *cfg, int type, char *topic, const char *arg)
{
if(mosquitto_validate_utf8(topic, (int )strlen(topic))){
fprintf(stderr, "Error: Malformed UTF-8 in %s argument.\n\n", arg);
return 1;
}
if(type == CLIENT_PUB || type == CLIENT_RR){
if(mosquitto_pub_topic_check(topic) == MOSQ_ERR_INVAL){
fprintf(stderr, "Error: Invalid publish topic '%s', does it contain '+' or '#'?\n", topic);
return 1;
}
cfg->topic = strdup(topic);
}else if(type == CLIENT_RESPONSE_TOPIC){
if(mosquitto_pub_topic_check(topic) == MOSQ_ERR_INVAL){
fprintf(stderr, "Error: Invalid response topic '%s', does it contain '+' or '#'?\n", topic);
return 1;
}
cfg->response_topic = strdup(topic);
}else{
if(mosquitto_sub_topic_check(topic) == MOSQ_ERR_INVAL){
fprintf(stderr, "Error: Invalid subscription topic '%s', are all '+' and '#' wildcards correct?\n", topic);
return 1;
}
cfg->topic_count++;
cfg->topics = realloc(cfg->topics, (size_t )cfg->topic_count*sizeof(char *));
if(!cfg->topics){
err_printf(cfg, "Error: Out of memory.\n");
return 1;
}
cfg->topics[cfg->topic_count-1] = strdup(topic);
}
return 0;
}
/* Process a tokenised single line from a file or set of real argc/argv */
int client_config_line_proc(struct mosq_config *cfg, int pub_or_sub, int argc, char *argv[])
{
int i;
int tmpi;
float f;
size_t szt;
for(i=1; i<argc; i++){
if(!strcmp(argv[i], "-A")){
if(i==argc-1){
fprintf(stderr, "Error: -A argument given but no address specified.\n\n");
return 1;
}else{
cfg->bind_address = strdup(argv[i+1]);
}
i++;
#ifdef WITH_TLS
}else if(!strcmp(argv[i], "--cafile")){
if(i==argc-1){
fprintf(stderr, "Error: --cafile argument given but no file specified.\n\n");
return 1;
}else{
cfg->cafile = strdup(argv[i+1]);
}
i++;
}else if(!strcmp(argv[i], "--capath")){
if(i==argc-1){
fprintf(stderr, "Error: --capath argument given but no directory specified.\n\n");
return 1;
}else{
cfg->capath = strdup(argv[i+1]);
}
i++;
}else if(!strcmp(argv[i], "--cert")){
if(i==argc-1){
fprintf(stderr, "Error: --cert argument given but no file specified.\n\n");
return 1;
}else{
cfg->certfile = strdup(argv[i+1]);
}
i++;
}else if(!strcmp(argv[i], "--ciphers")){
if(i==argc-1){
fprintf(stderr, "Error: --ciphers argument given but no ciphers specified.\n\n");
return 1;
}else{
cfg->ciphers = strdup(argv[i+1]);
}
i++;
#endif
}else if(!strcmp(argv[i], "-C")){
if(pub_or_sub != CLIENT_SUB){
goto unknown_option;
}else{
if(i==argc-1){
fprintf(stderr, "Error: -C argument given but no count specified.\n\n");
return 1;
}else{
cfg->msg_count = atoi(argv[i+1]);
if(cfg->msg_count < 1){
fprintf(stderr, "Error: Invalid message count \"%d\".\n\n", cfg->msg_count);
return 1;
}
}
i++;
}
}else if(!strcmp(argv[i], "-c") || !strcmp(argv[i], "--disable-clean-session")){
cfg->clean_session = false;
}else if(!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug")){
cfg->debug = true;
}else if(!strcmp(argv[i], "-D") || !strcmp(argv[i], "--property")){
i++;
if(cfg_parse_property(cfg, argc, argv, &i)){
return 1;
}
cfg->protocol_version = MQTT_PROTOCOL_V5;
}else if(!strcmp(argv[i], "-e")){
if(pub_or_sub != CLIENT_RR){
goto unknown_option;
}
if(i==argc-1){
fprintf(stderr, "Error: -e argument given but no response topic specified.\n\n");
return 1;
}else{
if(cfg_add_topic(cfg, CLIENT_RESPONSE_TOPIC, argv[i+1], "-e")){
return 1;
}
}
i++;
}else if(!strcmp(argv[i], "-E")){
if(pub_or_sub != CLIENT_SUB){
goto unknown_option;
}
cfg->exit_after_sub = true;
}else if(!strcmp(argv[i], "-f") || !strcmp(argv[i], "--file")){
if(pub_or_sub == CLIENT_SUB){
goto unknown_option;
}
if(cfg->pub_mode != MSGMODE_NONE){
fprintf(stderr, "Error: Only one type of message can be sent at once.\n\n");
return 1;
}else if(i==argc-1){
fprintf(stderr, "Error: -f argument given but no file specified.\n\n");
return 1;
}else{
cfg->pub_mode = MSGMODE_FILE;
cfg->file_input = strdup(argv[i+1]);
if(!cfg->file_input){
err_printf(cfg, "Error: Out of memory.\n");
return 1;
}
}
i++;
}else if(!strcmp(argv[i], "-F")){
if(pub_or_sub == CLIENT_PUB){
goto unknown_option;
}
if(i==argc-1){
fprintf(stderr, "Error: -F argument given but no format specified.\n\n");
return 1;
}else{
cfg->format = strdup(argv[i+1]);
if(!cfg->format){
fprintf(stderr, "Error: Out of memory.\n");
return 1;
}
if(check_format(cfg->format)){
return 1;
}
}
i++;
}else if(!strcmp(argv[i], "--help")){
return 2;
}else if(!strcmp(argv[i], "-h") || !strcmp(argv[i], "--host")){
if(i==argc-1){
fprintf(stderr, "Error: -h argument given but no host specified.\n\n");
return 1;
}else{
cfg->host = strdup(argv[i+1]);
}
i++;
#ifdef WITH_TLS
}else if(!strcmp(argv[i], "--insecure")){
cfg->insecure = true;
#endif
}else if(!strcmp(argv[i], "-i") || !strcmp(argv[i], "--id")){
if(cfg->id_prefix){
fprintf(stderr, "Error: -i and -I argument cannot be used together.\n\n");
return 1;
}
if(i==argc-1){
fprintf(stderr, "Error: -i argument given but no id specified.\n\n");
return 1;
}else{
cfg->id = strdup(argv[i+1]);
}
i++;
}else if(!strcmp(argv[i], "-I") || !strcmp(argv[i], "--id-prefix")){
if(cfg->id){
fprintf(stderr, "Error: -i and -I argument cannot be used together.\n\n");
return 1;
}
if(i==argc-1){
fprintf(stderr, "Error: -I argument given but no id prefix specified.\n\n");
return 1;
}else{
cfg->id_prefix = strdup(argv[i+1]);
}
i++;
}else if(!strcmp(argv[i], "-k") || !strcmp(argv[i], "--keepalive")){
if(i==argc-1){
fprintf(stderr, "Error: -k argument given but no keepalive specified.\n\n");
return 1;
}else{
cfg->keepalive = atoi(argv[i+1]);
if(cfg->keepalive<5 || cfg->keepalive>UINT16_MAX){
fprintf(stderr, "Error: Invalid keepalive given, it must be between 5 and 65535 inclusive.\n\n");
return 1;
}
}
i++;
#ifdef WITH_TLS
}else if(!strcmp(argv[i], "--key")){
if(i==argc-1){
fprintf(stderr, "Error: --key argument given but no file specified.\n\n");
return 1;
}else{
cfg->keyfile = strdup(argv[i+1]);
}
i++;
}else if(!strcmp(argv[i], "--keyform")){
if(i==argc-1){
fprintf(stderr, "Error: --keyform argument given but no keyform specified.\n\n");
return 1;
}else{
cfg->keyform = strdup(argv[i+1]);
}
i++;
#endif
}else if(!strcmp(argv[i], "-L") || !strcmp(argv[i], "--url")){
if(i==argc-1){
fprintf(stderr, "Error: -L argument given but no URL specified.\n\n");
return 1;
} else {
char *url = argv[i+1];
char *topic;
char *tmp;
if(!strncasecmp(url, "mqtt:https://", 7)) {
url += 7;
cfg->port = 1883;
} else if(!strncasecmp(url, "mqtts:https://", 8)) {
url += 8;
cfg->port = 8883;
cfg->tls_use_os_certs = true;
} else {
fprintf(stderr, "Error: unsupported URL scheme.\n\n");
return 1;
}
topic = strchr(url, '/');
if(!topic){
fprintf(stderr, "Error: Invalid URL for -L argument specified - topic missing.\n");
return 1;
}
*topic++ = 0;
if(cfg_add_topic(cfg, pub_or_sub, topic, "-L topic"))
return 1;
tmp = strchr(url, '@');
if(tmp) {
*tmp++ = 0;
char *colon = strchr(url, ':');
if(colon) {
*colon = 0;
cfg->password = strdup(colon + 1);
}
cfg->username = strdup(url);
url = tmp;
}
cfg->host = url;
tmp = strchr(url, ':');
if(tmp) {
*tmp++ = 0;
cfg->port = atoi(tmp);
}
/* Now we've removed the port, time to get the host on the heap */
cfg->host = strdup(cfg->host);
}
i++;
}else if(!strcmp(argv[i], "-l") || !strcmp(argv[i], "--stdin-line")){
if(pub_or_sub != CLIENT_PUB){
goto unknown_option;
}
if(cfg->pub_mode != MSGMODE_NONE){
fprintf(stderr, "Error: Only one type of message can be sent at once.\n\n");
return 1;
}else{
cfg->pub_mode = MSGMODE_STDIN_LINE;
}
}else if(!strcmp(argv[i], "-m") || !strcmp(argv[i], "--message")){
if(pub_or_sub == CLIENT_SUB){
goto unknown_option;
}
if(cfg->pub_mode != MSGMODE_NONE){
fprintf(stderr, "Error: Only one type of message can be sent at once.\n\n");
return 1;
}else if(i==argc-1){
fprintf(stderr, "Error: -m argument given but no message specified.\n\n");
return 1;
}else{
cfg->message = strdup(argv[i+1]);
if(cfg->message == NULL){
fprintf(stderr, "Error: Out of memory.\n\n");
return 1;
}
szt = strlen(cfg->message);
if(szt > MQTT_MAX_PAYLOAD){
fprintf(stderr, "Error: Message length must be less than %u bytes.\n\n", MQTT_MAX_PAYLOAD);
return 1;
}
cfg->msglen = (int )szt;
cfg->pub_mode = MSGMODE_CMD;
}
i++;
}else if(!strcmp(argv[i], "-M")){
if(i==argc-1){
fprintf(stderr, "Error: -M argument given but max_inflight not specified.\n\n");
return 1;
}else{
tmpi = atoi(argv[i+1]);
if(tmpi < 1){
fprintf(stderr, "Error: Maximum inflight messages must be greater than 0.\n\n");
return 1;
}
cfg->max_inflight = (unsigned int )tmpi;
}
i++;
}else if(!strcmp(argv[i], "--nodelay")){
cfg->tcp_nodelay = true;
}else if(!strcmp(argv[i], "-n") || !strcmp(argv[i], "--null-message")){
if(pub_or_sub == CLIENT_SUB){
goto unknown_option;
}
if(cfg->pub_mode != MSGMODE_NONE){
fprintf(stderr, "Error: Only one type of message can be sent at once.\n\n");
return 1;
}else{
cfg->pub_mode = MSGMODE_NULL;
}
}else if(!strcmp(argv[i], "-N")){
if(pub_or_sub == CLIENT_PUB){
goto unknown_option;
}
cfg->eol = false;
}else if(!strcmp(argv[i], "-p") || !strcmp(argv[i], "--port")){
if(i==argc-1){
fprintf(stderr, "Error: -p argument given but no port specified.\n\n");
return 1;
}else{
cfg->port = atoi(argv[i+1]);
if(cfg->port<0 || cfg->port>65535){
fprintf(stderr, "Error: Invalid port given: %d\n", cfg->port);
return 1;
}
}
i++;
}else if(!strcmp(argv[i], "--pretty")){
if(pub_or_sub == CLIENT_PUB){
goto unknown_option;
}
cfg->pretty = true;
}else if(!strcmp(argv[i], "-P") || !strcmp(argv[i], "--pw")){
if(i==argc-1){
fprintf(stderr, "Error: -P argument given but no password specified.\n\n");
return 1;
}else{
cfg->password = strdup(argv[i+1]);
}
i++;
#ifdef WITH_SOCKS
}else if(!strcmp(argv[i], "--proxy")){
if(i==argc-1){
fprintf(stderr, "Error: --proxy argument given but no proxy url specified.\n\n");
return 1;
}else{
if(mosquitto__parse_socks_url(cfg, argv[i+1])){
return 1;
}
i++;
}
#endif
#ifdef FINAL_WITH_TLS_PSK
}else if(!strcmp(argv[i], "--psk")){
if(i==argc-1){
fprintf(stderr, "Error: --psk argument given but no key specified.\n\n");
return 1;
}else{
cfg->psk = strdup(argv[i+1]);
}
i++;
}else if(!strcmp(argv[i], "--psk-identity")){
if(i==argc-1){
fprintf(stderr, "Error: --psk-identity argument given but no identity specified.\n\n");
return 1;
}else{
cfg->psk_identity = strdup(argv[i+1]);
}
i++;
#endif
}else if(!strcmp(argv[i], "-q") || !strcmp(argv[i], "--qos")){
if(i==argc-1){
fprintf(stderr, "Error: -q argument given but no QoS specified.\n\n");
return 1;
}else{
cfg->qos = atoi(argv[i+1]);
if(cfg->qos<0 || cfg->qos>2){
fprintf(stderr, "Error: Invalid QoS given: %d\n", cfg->qos);
return 1;
}
}
i++;
}else if(!strcmp(argv[i], "--quiet")){
cfg->quiet = true;
}else if(!strcmp(argv[i], "-r") || !strcmp(argv[i], "--retain")){
if(pub_or_sub != CLIENT_PUB){
goto unknown_option;
}
cfg->retain = 1;
}else if(!strcmp(argv[i], "-R")){
if(pub_or_sub == CLIENT_PUB){
goto unknown_option;
}
cfg->no_retain = true;
cfg->sub_opts |= MQTT_SUB_OPT_SEND_RETAIN_NEVER;
}else if(!strcmp(argv[i], "--random-filter")){
if(pub_or_sub != CLIENT_SUB){
goto unknown_option;
}
if(i==argc-1){
fprintf(stderr, "Error: --random-filter argument given but no chance specified.\n\n");
return 1;
}else{
cfg->random_filter = (int)(10.0*atof(argv[i+1]));
if(cfg->random_filter > 10000 || cfg->random_filter < 1){
fprintf(stderr, "Error: --random-filter chance must be between 0.1-100.0\n\n");
return 1;
}
}
i++;
}else if(!strcmp(argv[i], "--remove-retained")){
if(pub_or_sub != CLIENT_SUB){
goto unknown_option;
}
cfg->remove_retained = true;
}else if(!strcmp(argv[i], "--repeat")){
if(pub_or_sub != CLIENT_PUB){
goto unknown_option;
}
if(i==argc-1){
fprintf(stderr, "Error: --repeat argument given but no count specified.\n\n");
return 1;
}else{
cfg->repeat_count = atoi(argv[i+1]);
if(cfg->repeat_count < 1){
fprintf(stderr, "Error: --repeat argument must be >0.\n\n");
return 1;
}
}
i++;
}else if(!strcmp(argv[i], "--repeat-delay")){
if(pub_or_sub != CLIENT_PUB){
goto unknown_option;
}
if(i==argc-1){
fprintf(stderr, "Error: --repeat-delay argument given but no time specified.\n\n");
return 1;
}else{
f = (float )atof(argv[i+1]);
if(f < 0.0f){
fprintf(stderr, "Error: --repeat-delay argument must be >=0.0.\n\n");
return 1;
}
f *= 1.0e6f;
cfg->repeat_delay.tv_sec = (int)f/1000000;
cfg->repeat_delay.tv_usec = (int)f%1000000;
}
i++;
}else if(!strcmp(argv[i], "--retain-as-published")){
if(pub_or_sub == CLIENT_PUB){
goto unknown_option;
}
cfg->sub_opts |= MQTT_SUB_OPT_RETAIN_AS_PUBLISHED;
}else if(!strcmp(argv[i], "--retained-only")){
if(pub_or_sub != CLIENT_SUB){
goto unknown_option;
}
cfg->retained_only = true;
}else if(!strcmp(argv[i], "-s") || !strcmp(argv[i], "--stdin-file")){
if(pub_or_sub == CLIENT_SUB){
goto unknown_option;
}
if(cfg->pub_mode != MSGMODE_NONE){
fprintf(stderr, "Error: Only one type of message can be sent at once.\n\n");
return 1;
}else{
cfg->pub_mode = MSGMODE_STDIN_FILE;
}
#ifdef WITH_SRV
}else if(!strcmp(argv[i], "-S")){
cfg->use_srv = true;
#endif
}else if(!strcmp(argv[i], "-t") || !strcmp(argv[i], "--topic")){
if(i==argc-1){
fprintf(stderr, "Error: -t argument given but no topic specified.\n\n");
return 1;
}else{
if(cfg_add_topic(cfg, pub_or_sub, argv[i + 1], "-t"))
return 1;