| /******************************************************************************* |
| * Copyright (c) 2012, 2018 IBM Corp. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * 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://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * Contributors: |
| * Ian Craggs - initial contribution |
| *******************************************************************************/ |
| |
| #include "pubsub_opts.h" |
| |
| #include <string.h> |
| #include <stdlib.h> |
| |
| |
| int printVersionInfo(pubsub_opts_nameValue* info) |
| { |
| int rc = 0; |
| |
| printf("\nLibrary information:\n"); |
| while (info->name) |
| { |
| printf("%s: %s\n", info->name, info->value); |
| info++; |
| rc = 1; /* at least one value printed */ |
| } |
| if (rc == 1) |
| printf("\n"); |
| return rc; |
| } |
| |
| |
| void usage(struct pubsub_opts* opts, pubsub_opts_nameValue* name_values, const char* program_name) |
| { |
| printf("Eclipse Paho MQTT C %s\n", opts->publisher ? "publisher" : "subscriber"); |
| printVersionInfo(name_values); |
| |
| printf("Usage: %s [topicname] [-t topic] [-c connection] [-h host] [-p port]\n" |
| " [-q qos] [-i clientid] [-u username] [-P password] [-k keepalive_timeout]\n" |
| , program_name); |
| printf(" [-V MQTT-version] [--quiet] [--trace trace-level]\n"); |
| if (opts->publisher) |
| { |
| printf(" [-r] [-n] [-m message] [-f filename]\n"); |
| printf(" [--maxdatalen len] [--message-expiry seconds] [--user-property name value]\n"); |
| } |
| else |
| printf(" [-R] [--no-delimiter]\n"); |
| printf(" [--will-topic topic] [--will-payload message] [--will-qos qos] [--will-retain]\n"); |
| printf(" [--cafile filename] [--capath dirname] [--cert filename] [--key filename]\n" |
| " [--keypass string] [--ciphers string] [--insecure]"); |
| |
| printf( |
| "\n\n -t (--topic) : MQTT topic to %s to\n" |
| " -c (--connection) : connection string, overrides host/port e.g wss://hostname:port/ws. Use this option\n" |
| " rather than host/port to connect with TLS and/or web sockets. No default.\n" |
| " -h (--host) : host to connect to. Default is %s.\n" |
| " -p (--port) : network port to connect to. Default is %s.\n" |
| " -q (--qos) : MQTT QoS to %s with (0, 1 or 2). Default is %d.\n" |
| " -V (--MQTTversion) : MQTT version (31, 311, or 5). Default is 311.\n" |
| " --quiet : do not print error messages.\n" |
| " --trace : print internal trace (\"error\", \"min\", \"max\" or \"protocol\").\n", |
| opts->publisher ? "publish" : "subscribe", opts->host, opts->port, |
| opts->publisher ? "publish" : "subscribe", opts->qos); |
| |
| if (opts->publisher) |
| { |
| printf(" -r (--retained) : use MQTT retain option. Default is off.\n"); |
| printf(" -n (--null-message) : send 0-length message.\n"); |
| printf(" -m (--message) : the payload to send.\n"); |
| printf(" -f (--filename) : use the contents of the named file as the payload.\n"); |
| } |
| |
| printf( |
| " -i (--clientid) : MQTT client id. Default is %s.\n" |
| " -u (--username) : MQTT username. No default.\n" |
| " -P (--password) : MQTT password. No default.\n" |
| " -k (--keepalive) : MQTT keepalive timeout value. Default is %d seconds.\n" |
| " --delimiter : delimiter string. Default is \\n.\n", |
| opts->clientid, opts->keepalive); |
| |
| if (opts->publisher) |
| { |
| printf(" --maxdatalen : maximum length of data to read when publishing strings (default is %d)\n", |
| opts->maxdatalen); |
| printf(" --message-expiry : MQTT 5 only. Sets the message expiry property in seconds.\n"); |
| printf(" --user-property : MQTT 5 only. Sets a user property.\n"); |
| } |
| else |
| { |
| printf(" --no-delimiter : do not use a delimiter string between messages.\n"); |
| printf(" -R (--no-retained) : do not print retained messages.\n"); |
| } |
| |
| printf( |
| " --will-topic : will topic on connect. No default.\n" |
| " --will-payload : will message. If the will topic is set, but not payload, a null message will be set.\n" |
| " --will-retain : set the retained flag on the will message. The default is off.\n" |
| " --will-qos : the will message QoS. The default is 0.\n" |
| ); |
| |
| printf( |
| " --cafile : a filename for the TLS truststore.\n" |
| " --capath : a directory name containing TLS trusted server certificates.\n" |
| " --cert : a filename for the TLS keystore containing client certificates.\n" |
| " --key : client private key file.\n" |
| " --keypass : password for the client private key file.\n" |
| " --ciphers : the list of cipher suites that the client will present to the server during\n" |
| " the TLS handshake.\n" |
| " --insecure : don't check that the server certificate common name matches the hostname.\n" |
| " --psk : pre-shared-key in hexadecimal (no leading 0x) \n" |
| " --psk-identity : client identity string for TLS-PSK mode.\n" |
| ); |
| |
| printf("\nSee http://eclipse.org/paho for more information about the Eclipse Paho project.\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| |
| |
| int getopts(int argc, char** argv, struct pubsub_opts* opts) |
| { |
| int count = 1; |
| |
| if (argv[1][0] != '-') |
| { |
| opts->topic = argv[1]; |
| count = 2; |
| } |
| |
| while (count < argc) |
| { |
| if (strcmp(argv[count], "--verbose") == 0 || strcmp(argv[count], "-v") == 0) |
| opts->verbose = 1; |
| else if (strcmp(argv[count], "--quiet") == 0) |
| opts->quiet = 1; |
| else if (strcmp(argv[count], "--qos") == 0 || strcmp(argv[count], "-q") == 0) |
| { |
| if (++count < argc) |
| { |
| if (strcmp(argv[count], "0") == 0) |
| opts->qos = 0; |
| else if (strcmp(argv[count], "1") == 0) |
| opts->qos = 1; |
| else if (strcmp(argv[count], "2") == 0) |
| opts->qos = 2; |
| else |
| return 1; |
| } |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--connection") == 0 || strcmp(argv[count], "-c") == 0) |
| { |
| if (++count < argc) |
| opts->connection = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--host") == 0 || strcmp(argv[count], "-h") == 0) |
| { |
| if (++count < argc) |
| opts->host = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--port") == 0 || strcmp(argv[count], "-p") == 0) |
| { |
| if (++count < argc) |
| opts->port = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--clientid") == 0 || strcmp(argv[count], "-i") == 0) |
| { |
| if (++count < argc) |
| opts->clientid = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--username") == 0 || strcmp(argv[count], "-u") == 0) |
| { |
| if (++count < argc) |
| opts->username = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--password") == 0 || strcmp(argv[count], "-P") == 0) |
| { |
| if (++count < argc) |
| opts->password = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--maxdatalen") == 0) |
| { |
| if (++count < argc) |
| opts->maxdatalen = atoi(argv[count]); |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--delimiter") == 0) |
| { |
| if (++count < argc) |
| opts->delimiter = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--no-delimiter") == 0) |
| opts->delimiter = NULL; |
| else if (strcmp(argv[count], "--keepalive") == 0 || strcmp(argv[count], "-k") == 0) |
| { |
| if (++count < argc) |
| opts->keepalive = atoi(argv[count]); |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--topic") == 0 || strcmp(argv[count], "-t") == 0) |
| { |
| if (++count < argc) |
| opts->topic = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--will-topic") == 0) |
| { |
| if (++count < argc) |
| opts->will_topic = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--will-payload") == 0) |
| { |
| if (++count < argc) |
| opts->will_payload = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--will-qos") == 0) |
| { |
| if (++count < argc) |
| opts->will_qos = atoi(argv[count]); |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--will-retain") == 0) |
| { |
| if (++count < argc) |
| opts->will_retain = 1; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--insecure") == 0) |
| opts->insecure = 1; |
| else if (strcmp(argv[count], "--capath") == 0) |
| { |
| if (++count < argc) |
| opts->capath = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--cafile") == 0) |
| { |
| if (++count < argc) |
| opts->cafile = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--cert") == 0) |
| { |
| if (++count < argc) |
| opts->cert = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--key") == 0) |
| { |
| if (++count < argc) |
| opts->key = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--keypass") == 0) |
| { |
| if (++count < argc) |
| opts->keypass = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--ciphers") == 0) |
| { |
| if (++count < argc) |
| opts->ciphers = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--psk") == 0) |
| { |
| if (++count < argc) |
| opts->psk = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--psk-identity") == 0) |
| { |
| if (++count < argc) |
| opts->psk_identity = argv[count]; |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "-V") == 0) |
| { |
| if (++count < argc) |
| { |
| if (strcmp(argv[count], "mqttv31") == 0 || strcmp(argv[count], "31") == 0) |
| opts->MQTTVersion = MQTTVERSION_3_1; |
| else if (strcmp(argv[count], "mqttv311") == 0 || strcmp(argv[count], "311") == 0) |
| opts->MQTTVersion = MQTTVERSION_3_1_1; |
| else if (strcmp(argv[count], "mqttv5") == 0 || strcmp(argv[count], "5") == 0) |
| opts->MQTTVersion = MQTTVERSION_5; |
| else |
| return 1; |
| } |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--trace") == 0) |
| { |
| if (++count < argc) |
| { |
| if (strcmp(argv[count], "error") == 0) |
| opts->tracelevel = MQTTASYNC_TRACE_ERROR; |
| else if (strcmp(argv[count], "protocol") == 0) |
| opts->tracelevel = MQTTASYNC_TRACE_PROTOCOL; |
| else if (strcmp(argv[count], "min") == 0 || strcmp(argv[count], "on") == 0) |
| opts->tracelevel = MQTTASYNC_TRACE_MINIMUM; |
| else if (strcmp(argv[count], "max") == 0) |
| opts->tracelevel = MQTTASYNC_TRACE_MAXIMUM; |
| else |
| return 1; |
| } |
| else |
| return 1; |
| } |
| else if (opts->publisher == 0) |
| { |
| if (strcmp(argv[count], "--no-retained") == 0 || strcmp(argv[count], "-R") == 0) |
| opts->retained = 1; |
| else |
| { |
| fprintf(stderr, "Unknown option %s\n", argv[count]); |
| return 1; |
| } |
| } |
| else if (opts->publisher == 1) |
| { |
| if (strcmp(argv[count], "--retained") == 0 || strcmp(argv[count], "-r") == 0) |
| opts->retained = 1; |
| else if (strcmp(argv[count], "--user-property") == 0) |
| { |
| if (count + 2 < argc) |
| { |
| opts->user_property.name = argv[++count]; |
| opts->user_property.value = argv[++count]; |
| } |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "--message-expiry") == 0) |
| { |
| if (++count < argc) |
| opts->message_expiry = atoi(argv[count]); |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "-m") == 0 || strcmp(argv[count], "--message") == 0) |
| { |
| if (++count < argc) |
| { |
| opts->stdin_lines = 0; |
| opts->message = argv[count]; |
| } |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "-f") == 0 || strcmp(argv[count], "--filename") == 0) |
| { |
| if (++count < argc) |
| { |
| opts->stdin_lines = 0; |
| opts->filename = argv[count]; |
| } |
| else |
| return 1; |
| } |
| else if (strcmp(argv[count], "-n") == 0 || strcmp(argv[count], "--null-message") == 0) |
| { |
| opts->stdin_lines = 0; |
| opts->null_message = 1; |
| } |
| else |
| { |
| fprintf(stderr, "Unknown option %s\n", argv[count]); |
| return 1; |
| } |
| } |
| else |
| { |
| fprintf(stderr, "Unknown option %s\n", argv[count]); |
| return 1; |
| } |
| |
| count++; |
| } |
| |
| if (opts->topic == NULL) |
| return 1; |
| |
| return 0; |
| } |
| |
| |
| char* readfile(int* data_len, struct pubsub_opts* opts) |
| { |
| char* buffer = NULL; |
| long filesize = 0L; |
| FILE* infile = fopen(opts->filename, "rb"); |
| |
| if (infile == NULL) |
| { |
| fprintf(stderr, "Can't open file %s\n", opts->filename); |
| return NULL; |
| } |
| fseek(infile, 0, SEEK_END); |
| filesize = ftell(infile); |
| rewind(infile); |
| |
| buffer = malloc(sizeof(char)*filesize); |
| if (buffer == NULL) |
| { |
| fprintf(stderr, "Can't allocate buffer to read file %s\n", opts->filename); |
| fclose(infile); |
| return NULL; |
| } |
| *data_len = (int)fread(buffer, 1, filesize, infile); |
| if (*data_len != filesize) |
| { |
| fprintf(stderr, "%d bytes read of %ld expected for file %s\n", *data_len, filesize, opts->filename); |
| fclose(infile); |
| free(buffer); |
| return NULL; |
| } |
| |
| fclose(infile); |
| return buffer; |
| } |
| |
| |
| void logProperties(MQTTProperties *props) |
| { |
| int i = 0; |
| |
| for (i = 0; i < props->count; ++i) |
| { |
| int id = props->array[i].identifier; |
| const char* name = MQTTPropertyName(id); |
| char* intformat = "Property name %s value %d\n"; |
| |
| switch (MQTTProperty_getType(id)) |
| { |
| case MQTTPROPERTY_TYPE_BYTE: |
| printf(intformat, name, props->array[i].value.byte); |
| break; |
| case MQTTPROPERTY_TYPE_TWO_BYTE_INTEGER: |
| printf(intformat, name, props->array[i].value.integer2); |
| break; |
| case MQTTPROPERTY_TYPE_FOUR_BYTE_INTEGER: |
| printf(intformat, name, props->array[i].value.integer4); |
| break; |
| case MQTTPROPERTY_TYPE_VARIABLE_BYTE_INTEGER: |
| printf(intformat, name, props->array[i].value.integer4); |
| break; |
| case MQTTPROPERTY_TYPE_BINARY_DATA: |
| case MQTTPROPERTY_TYPE_UTF_8_ENCODED_STRING: |
| printf("Property name %s value len %.*s\n", name, |
| props->array[i].value.data.len, props->array[i].value.data.data); |
| break; |
| case MQTTPROPERTY_TYPE_UTF_8_STRING_PAIR: |
| printf("Property name %s key %.*s value %.*s\n", name, |
| props->array[i].value.data.len, props->array[i].value.data.data, |
| props->array[i].value.value.len, props->array[i].value.value.data); |
| break; |
| } |
| } |
| } |