116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/*
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JSONBot event generator
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Alarm Monitoring Service
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Copyright (C) Wilco Baan Hofman <wilco@baanhofman.nl> 2012
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include <nettle/aes.h>
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STATUS jsonbot_notify(TALLOC_CTX *mem_ctx, const char *prom, const char *code, const char *description)
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{
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int sockfd;
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struct sockaddr_in servaddr;
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const configuration *conf;
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char *outtext;
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struct aes_ctx aes;
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uint8_t *msgbuf, *msgbuf_crypted;
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uint16_t msglen;
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conf = get_conf();
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aes_set_encrypt_key(&aes, strlen(conf->jsonbot_aeskey), (uint8_t *) conf->jsonbot_aeskey);
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outtext = talloc_asprintf(mem_ctx, "%s %s Event at prom %s: %s: %s: %s -- %s\n",
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conf->jsonbot_password, conf->jsonbot_privmsg_to, prom, description, code,
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sia_code_str(code), sia_code_desc(code));
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NO_MEM_RETURN(outtext);
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msglen = (strlen(outtext) + 1) + (16 - ((strlen(outtext) + 1) % 16));
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msgbuf = talloc_zero_array(outtext, uint8_t, msglen + 1);
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NO_MEM_RETURN(msgbuf);
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msgbuf_crypted = talloc_array(outtext, uint8_t, msglen + 1);
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NO_MEM_RETURN(msgbuf_crypted);
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memcpy(msgbuf, outtext, strlen(outtext));
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aes_encrypt(&aes, msglen, msgbuf_crypted, msgbuf);
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/*
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* Set up the outgoing UDP socket
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*/
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sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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if (sockfd < 0) {
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DEBUG(0, "Failed to set up UDP socket for jsonbot");
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return ST_GENERAL_FAILURE;
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}
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memset(&servaddr, 0, sizeof(servaddr));
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servaddr.sin_family = AF_INET;
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servaddr.sin_port = htons(conf->jsonbot_port);
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servaddr.sin_addr.s_addr = inet_addr(conf->jsonbot_address);
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if (sendto(sockfd, msgbuf_crypted, msglen, 0,
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(struct sockaddr *)&servaddr, sizeof(servaddr)) == -1) {
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DEBUG(0, "Failed to send UDP packet to %s:%d", conf->jsonbot_address, conf->jsonbot_port);
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return ST_GENERAL_FAILURE;
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}
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talloc_free(outtext);
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return ST_OK;
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}
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STATUS jsonbot_init(void) {
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GError *error = NULL;
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configuration *conf = get_modifiable_conf();
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conf->jsonbot_address = g_key_file_get_string(conf->keyfile, "jsonbot", "address", &error);
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if (error) {
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fprintf(stderr, "No jsonbot address supplied in the configuration.\n");
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return ST_CONFIGURATION_ERROR;
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}
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conf->jsonbot_port = g_key_file_get_integer(conf->keyfile, "jsonbot", "port", &error);
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if (error) {
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fprintf(stderr, "No jsonbot port supplied in the configuration.\n");
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return ST_CONFIGURATION_ERROR;
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}
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conf->jsonbot_aeskey = g_key_file_get_string(conf->keyfile, "jsonbot", "aes key", &error);
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if (error) {
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fprintf(stderr, "No jsonbot aes key supplied in the configuration.\n");
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return ST_CONFIGURATION_ERROR;
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}
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conf->jsonbot_password = g_key_file_get_string(conf->keyfile, "jsonbot", "password", &error);
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if (error) {
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fprintf(stderr, "No jsonbot password supplied in the configuration.\n");
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return ST_CONFIGURATION_ERROR;
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}
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conf->jsonbot_privmsg_to = g_key_file_get_string(conf->keyfile, "jsonbot", "privmsg to", &error);
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if (error) {
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fprintf(stderr, "No jsonbot privsmg to supplied in the configuration.\n");
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return ST_CONFIGURATION_ERROR;
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}
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conf->event_handlers = talloc_realloc(conf, conf->event_handlers, event_function, conf->event_handler_cnt+1);
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conf->event_handlers[conf->event_handler_cnt] = jsonbot_notify;
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conf->event_handler_cnt++;
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return ST_OK;
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}
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