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https://github.com/Theldus/alertik.git
synced 2024-10-05 01:42:37 +02:00
Major rework on notifiers structure
This commit is contained in:
Davidson Francis
parent
34963499c3
commit
2fb5a9fa4e
15
env_events.c
15
env_events.c
@ -241,6 +241,7 @@ static int handle_regex(struct log_event *ev, int idx_env)
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char time_str[32] = {0};
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regmatch_t pmatch[MAX_MATCHES] = {0};
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struct str_ab notif_message;
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struct notifier *self;
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int ret;
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int notif_idx;
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@ -248,6 +249,7 @@ static int handle_regex(struct log_event *ev, int idx_env)
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env_ev = &env_events[idx_env];
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notif_idx = env_ev->ev_notifier_idx;
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self = ¬ifiers[notif_idx];
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if (regexec(&env_ev->regex, ev->msg, MAX_MATCHES, pmatch, 0) == REG_NOMATCH)
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return 0;
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@ -286,7 +288,7 @@ static int handle_regex(struct log_event *ev, int idx_env)
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return 0;
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}
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if (notifiers[notif_idx].send_notification(notif_message.buff) < 0) {
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if (self->send_notification(self, notif_message.buff) < 0) {
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log_msg("unable to send the notification through %s\n",
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notifiers_str[notif_idx]);
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}
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@ -307,11 +309,14 @@ static int handle_substr(struct log_event *ev, int idx_env)
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int ret;
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int notif_idx;
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char time_str[32] = {0};
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struct notifier *self;
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struct env_event *env_ev;
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struct str_ab notif_message;
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env_ev = &env_events[idx_env];
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env_ev = &env_events[idx_env];
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notif_idx = env_ev->ev_notifier_idx;
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self = ¬ifiers[notif_idx];
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if (!strstr(ev->msg, env_ev->ev_match_str))
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return 0;
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@ -332,7 +337,7 @@ static int handle_substr(struct log_event *ev, int idx_env)
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if (ret)
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return 0;
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if (notifiers[notif_idx].send_notification(notif_message.buff) < 0) {
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if (self->send_notification(self, notif_message.buff) < 0) {
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log_msg("unable to send the notification through %s\n",
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notifiers_str[notif_idx]);
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}
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@ -372,6 +377,7 @@ int process_environment_event(struct log_event *ev)
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*/
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int init_environment_events(void)
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{
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struct notifier *self;
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char *tmp;
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tmp = getenv("ENV_EVENTS");
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@ -412,7 +418,8 @@ int init_environment_events(void)
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);
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/* Try to setup notifier if not yet. */
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notifiers[env_events[i].ev_notifier_idx].setup();
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self = ¬ifiers[env_events[i].ev_notifier_idx];
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self->setup(self);
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/* If regex, compile it first. */
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if (env_events[i].ev_match_type == EVNT_REGEX) {
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9
events.c
9
events.c
@ -121,6 +121,7 @@ int process_static_event(struct log_event *ev)
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*/
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int init_static_events(void)
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{
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struct notifier *self;
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char *ptr, *end;
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long ev;
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@ -172,7 +173,8 @@ int init_static_events(void)
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);
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/* Try to setup notifier if not yet. */
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notifiers[static_events[i].ev_notifier_idx].setup();
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self = ¬ifiers[static_events[i].ev_notifier_idx];
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self->setup(self);
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/* If regex, compile it first. */
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if (static_events[i].ev_match_type == EVNT_REGEX) {
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@ -254,6 +256,7 @@ static void handle_wifi_login_attempts(struct log_event *ev, int idx_env)
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char mac_addr[32] = {0};
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char wifi_iface[32] = {0};
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struct str_ab notif_message;
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struct notifier *self;
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int notif_idx;
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int ret;
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@ -279,7 +282,9 @@ static void handle_wifi_login_attempts(struct log_event *ev, int idx_env)
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log_msg("> Retrieved info, MAC: (%s), Interface: (%s)\n", mac_addr, wifi_iface);
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notif_idx = static_events[idx_env].ev_notifier_idx;
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if (notifiers[notif_idx].send_notification(notif_message.buff) < 0) {
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self = ¬ifiers[notif_idx];
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if (self->send_notification(self, notif_message.buff) < 0) {
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log_msg("unable to send the notification!\n");
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return;
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}
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117
notifiers.c
117
notifiers.c
@ -17,6 +17,11 @@
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* Notification handling/notifiers
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*/
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struct webhook_data {
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char *webhook_url;
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const char *env_var;
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};
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/* EPOCH in secs of last sent notification. */
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static time_t time_last_sent_notify;
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@ -220,12 +225,14 @@ static int send_generic_webhook(const char *url, const char *text)
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static char *telegram_bot_token;
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static char *telegram_chat_id;
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void setup_telegram(void)
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void setup_telegram(struct notifier *self)
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{
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static int setup = 0;
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if (setup)
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return;
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((void)self);
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telegram_bot_token = getenv("TELEGRAM_BOT_TOKEN");
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telegram_chat_id = getenv("TELEGRAM_CHAT_ID");
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if (!telegram_bot_token || !telegram_chat_id) {
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@ -239,13 +246,15 @@ void setup_telegram(void)
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setup = 1;
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}
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static int send_telegram_notification(const char *msg)
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static int send_telegram_notification(const struct notifier *self, const char *msg)
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{
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struct str_ab full_request_url;
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char *escaped_msg = NULL;
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CURL *hnd = NULL;
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int ret;
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((void)self);
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if (!(hnd = curl_easy_init())) {
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log_msg("Failed to initialize libcurl!\n");
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return -1;
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@ -272,81 +281,42 @@ static int send_telegram_notification(const char *msg)
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}
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///////////////////////////////////////////////////////////////////////////////
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////////////////////////////////// SLACK //////////////////////////////////////
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///////////////////////////////// GENERIC /////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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/* Slack settings. */
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static char *slack_webhook_url;
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void setup_slack(void)
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void setup_generic_webhook(struct notifier *self)
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{
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static int setup = 0;
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if (setup)
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struct webhook_data *data = self->data;
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if (data->webhook_url)
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return;
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slack_webhook_url = getenv("SLACK_WEBHOOK_URL");
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if (!slack_webhook_url) {
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panic("Unable to find env vars for Slack, please check if you have set "
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"the SLACK_WEBHOOK_URL!!\n");
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data->webhook_url = getenv(data->env_var);
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if (!data->webhook_url) {
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panic("Unable to find env vars, please check if you have set the %s!!\n",
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data->env_var);
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}
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setup = 1;
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}
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static int send_slack_notification(const char *msg) {
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return send_generic_webhook(slack_webhook_url, msg);
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}
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///////////////////////////////////////////////////////////////////////////////
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////////////////////////////////// TEAMS //////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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/* Teams settings. */
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static char *teams_webhook_url;
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void setup_teams(void)
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static int send_generic_webhook_notification(
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const struct notifier *self, const char *msg)
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{
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static int setup = 0;
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if (setup)
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return;
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teams_webhook_url = getenv("TEAMS_WEBHOOK_URL");
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if (!teams_webhook_url) {
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panic("Unable to find env vars for Teams, please check if you have set "
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"the TEAMS_WEBHOOK_URL!!\n");
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}
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setup = 1;
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}
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static int send_teams_notification(const char *msg) {
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return send_generic_webhook(teams_webhook_url, msg);
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struct webhook_data *data = self->data;
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return send_generic_webhook(data->webhook_url, msg);
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}
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////// DISCORD /////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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/* Discord settings. */
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static char *discord_webhook_url;
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void setup_discord(void)
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{
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static int setup = 0;
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if (setup)
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return;
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discord_webhook_url = getenv("DISCORD_WEBHOOK_URL");
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if (!discord_webhook_url) {
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panic("Unable to find env vars for Discord, please check if you have set "
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"the DISCORD_WEBHOOK_URL!!\n");
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}
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setup = 1;
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}
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/* Discord in Slack-compatible mode. */
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static int send_discord_notification(const char *msg) {
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static int send_discord_notification(
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const struct notifier *self, const char *msg)
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{
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struct webhook_data *data = self->data;
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struct str_ab url;
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ab_init(&url);
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if (ab_append_fmt("%s/slack", discord_webhook_url) < 0)
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if (ab_append_fmt(&url, "%s/slack", data->webhook_url) < 0)
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return 1;
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return send_generic_webhook(url.buff, msg);
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}
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@ -362,22 +332,33 @@ const char *const notifiers_str[] = {
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struct notifier notifiers[] = {
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/* Telegram. */
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{
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.setup = setup_telegram,
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.send_notification = send_telegram_notification
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.setup = setup_telegram,
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.send_notification = send_telegram_notification,
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},
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/* Slack. */
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{
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.setup = setup_slack,
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.send_notification = send_slack_notification
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.setup = setup_generic_webhook,
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.send_notification = send_generic_webhook_notification,
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.data = &(struct webhook_data)
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{.env_var = "SLACK_WEBHOOK_URL"},
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},
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/* Teams. */
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{
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.setup = setup_teams,
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.send_notification = send_teams_notification
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.setup = setup_generic_webhook,
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.send_notification = send_generic_webhook_notification,
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.data = &(struct webhook_data)
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{.env_var = "TEAMS_WEBHOOK_URL"},
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},
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/* Discord. */
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/*
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* Discord:
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* Since Discord doesn't follow like the others, we need
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* to slightly change the URL before proceeding, so this
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* is why its function is not generic!.
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*/
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{
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.setup = setup_discord,
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.send_notification = send_discord_notification
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.setup = setup_generic_webhook,
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.send_notification = send_discord_notification,
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.data = &(struct webhook_data)
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{.env_var = "DISCORD_WEBHOOK_URL"},
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}
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};
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@ -17,8 +17,8 @@
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#define NUM_NOTIFIERS 8
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#define NOTIFY_IDX_TELE 0
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#define NOTIFY_IDX_SLACK 1
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#define NOTIFY_IDX_DISCORD 2
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#define NOTIFY_IDX_TEAMS 3
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#define NOTIFY_IDX_TEAMS 2
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#define NOTIFY_IDX_DISCORD 3
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#define NOTIFY_IDX_GENRC1 (NUM_NOTIFIERS-4)
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#define NOTIFY_IDX_GENRC2 (NUM_NOTIFIERS-3)
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#define NOTIFY_IDX_GENRC3 (NUM_NOTIFIERS-2)
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@ -40,8 +40,9 @@
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/* Notifier struct. */
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struct notifier {
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void(*setup)(void);
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int(*send_notification)(const char *msg);
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void *data;
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void(*setup)(struct notifier *self);
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int(*send_notification)(const struct notifier *self, const char *msg);
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};
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extern struct notifier notifiers[NUM_NOTIFIERS];
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