Added the +rules command.

Also added the +motd command to see the message of the day, which is sent while connecting.

src/core/commands.c

@@ -518,6 +518,20 @@ static int command_log(struct hub_info* hub, struct hub_user* user, struct hub_c
 	return 0;
 }
 
+static int command_rules(struct hub_info* hub, struct hub_user* user, struct hub_command* cmd)
+{
+	if (!hub_send_rules(hub, user))
+		return command_status(hub, user, cmd, "no rules defined.");
+	return 0;
+}
+
+static int command_motd(struct hub_info* hub, struct hub_user* user, struct hub_command* cmd)
+{
+	if (!hub_send_motd(hub, user))
+		return command_status(hub, user, cmd, "no motd defined.");
+	return 0;
+}
+
 #ifdef CRASH_DEBUG
 static int command_crash(struct hub_info* hub, struct hub_user* user, struct hub_command* cmd)
 {
@@ -589,6 +603,8 @@ static struct commands_handler command_handlers[] = {
 	{ "log",        3, 0,   cred_operator,  command_log,      "Display log"                  },
 	{ "mute",       4, "n", cred_operator,  command_mute,     "Mute user"                    },
 	{ "unmute",     6, "n", cred_operator,  command_mute,     "Unmute user"                  },
+	{ "rules",      5, 0,   cred_guest,     command_rules,    "Show the hub rules"           },
+	{ "motd",       4, 0,   cred_guest,     command_motd,     "Show the message of the day"  },
 #ifdef CRASH_DEBUG
 	{ "crash",      5, 0,   cred_admin,     command_crash,    "Crash the hub (DEBUG)."       },
 #endif

src/core/config.c

@@ -116,6 +116,7 @@
 #define DEF_HUB_ENABLED                     1
 #define DEF_FILE_ACL                        ""
 #define DEF_FILE_MOTD                       ""
+#define DEF_FILE_RULES                      ""
 #define DEF_MAX_USERS                       500
 #define DEF_MAX_CHAT_HISTORY                20
 #define DEF_MAX_LOGOUT_LOG                  100
@@ -180,6 +181,7 @@ void config_defaults(struct hub_config* config)
 	DEFAULT_BOOLEAN(hub_enabled,           DEF_HUB_ENABLED);
 	DEFAULT_STRING (file_acl,              DEF_FILE_ACL);
 	DEFAULT_STRING (file_motd,             DEF_FILE_MOTD);
+	DEFAULT_STRING (file_rules,            DEF_FILE_RULES);
 	DEFAULT_INTEGER(server_port,           DEF_SERVER_PORT);
 	DEFAULT_INTEGER(server_listen_backlog, DEF_SERVER_BACKLOG);
 	DEFAULT_INTEGER(max_users,             DEF_MAX_USERS);
@@ -249,6 +251,7 @@ static int apply_config(struct hub_config* config, char* key, char* data, int li
 {
 	GET_STR (file_acl);
 	GET_STR (file_motd);
+	GET_STR (file_rules);
 	GET_STR (server_bind_addr);
 	GET_INT (server_port);
 	GET_INT (server_listen_backlog);
@@ -327,6 +330,7 @@ void free_config(struct hub_config* config)
 	hub_free(config->server_bind_addr);
 	hub_free(config->file_motd);
 	hub_free(config->file_acl);
+	hub_free(config->file_rules);
 	hub_free(config->hub_name);
 	hub_free(config->hub_description);
 	
@@ -398,6 +402,7 @@ void dump_config(struct hub_config* config, int ignore_defaults)
 {
 	DUMP_STR (file_acl, DEF_FILE_ACL);
 	DUMP_STR (file_motd, DEF_FILE_MOTD);
+	DUMP_STR (file_rules, DEF_FILE_RULES);
 	DUMP_STR (server_bind_addr, DEF_SERVER_BIND_ADDR);
 	DUMP_INT (server_port, DEF_SERVER_PORT);
 	DUMP_INT (server_listen_backlog, DEF_SERVER_BACKLOG);

src/core/config.h

@@ -33,6 +33,7 @@ struct hub_config
 	int chat_is_privileged;      /**<<< "Allow chat for operators and above only (default: 0) */
 	char* file_motd;             /**<<< "File containing the 'message of the day' (default: '' - no motd)" */
 	char* file_acl;              /**<<< "File containing user database (default: '' - no known users)" */
+	char* file_rules;            /**<<< "File containing the rules (default: '' - no rules)" */
 	char* hub_name;              /**<<< "Name of hub (default: 'My uhub hub')" */
 	char* hub_description;       /**<<< "Name of hub (default: 'no description')" */
 	int max_recv_buffer;         /**<<< "Max read buffer before parse, per user (default: 4096)" */

src/core/hub.c

@@ -361,14 +361,27 @@ void hub_send_handshake(struct hub_info* hub, struct hub_user* u)
 	}
 }
 
-void hub_send_motd(struct hub_info* hub, struct hub_user* u)
+int hub_send_motd(struct hub_info* hub, struct hub_user* u)
 {
 	if (hub->command_motd)
 	{
 		route_to_user(hub, u, hub->command_motd);
+		return 1;
 	}
+	return 0;
 }
 
+int hub_send_rules(struct hub_info* hub, struct hub_user* u)
+{
+	if (hub->command_rules)
+	{
+		route_to_user(hub, u, hub->command_rules);
+		return 1;
+	}
+	return 0;
+}
+
+
 void hub_send_password_challenge(struct hub_info* hub, struct hub_user* u)
 {
 	struct adc_message* igpa;
@@ -669,6 +682,22 @@ void hub_set_variables(struct hub_info* hub, struct acl_handle* acl)
 		close(fd);
 	}
 
+	hub->command_rules = 0;
+	fd = (hub->config->file_rules && *hub->config->file_rules) ? open(hub->config->file_rules, 0) : -1;
+	if (fd != -1)
+	{
+		ret = read(fd, buf, MAX_RECV_BUF);
+		if (ret > 0)
+		{
+			buf[ret] = 0;
+			tmp = adc_msg_escape(buf);
+			hub->command_rules = adc_msg_construct(ADC_CMD_IMSG, 6 + strlen(tmp));
+			adc_msg_add_argument(hub->command_rules, tmp);
+			hub_free(tmp);
+		}
+		close(fd);
+	}
+
 	hub->command_support = adc_msg_construct(ADC_CMD_ISUP, 6 + strlen(ADC_PROTO_SUPPORT));
 	if (hub->command_support)
 	{
@@ -697,6 +726,9 @@ void hub_free_variables(struct hub_info* hub)
 	if (hub->command_motd)
 		adc_msg_free(hub->command_motd);
 
+	if (hub->command_rules)
+		adc_msg_free(hub->command_rules);
+
 	adc_msg_free(hub->command_support);
 }
 

src/core/hub.h

@@ -103,6 +103,7 @@ struct hub_info
 	struct adc_message* command_info;    /* The hub's INF command */
 	struct adc_message* command_support; /* The hub's SUP command */
 	struct adc_message* command_motd;    /* The message of the day */
+	struct adc_message* command_rules;   /* The hub rules */
 	struct adc_message* command_banner;  /* The default welcome message */
 	time_t tm_started;
 	int status;
@@ -203,8 +204,15 @@ extern void hub_send_handshake(struct hub_info* hub, struct hub_user* u);
 /**
  * Send a welcome message containing the message of the day to 
  * one particular user. This can be sent in any point in time.
+ * @return 1 if the motd were sent.
  */
-extern void hub_send_motd(struct hub_info* hub, struct hub_user* u);
+extern int hub_send_motd(struct hub_info* hub, struct hub_user* u);
+
+/**
+ * Send the rules if configured.
+ * @return 1 if the rules were sent.
+ */
+extern int hub_send_rules(struct hub_info* hub, struct hub_user* u);
 
 /**
  * Send a password challenge to a user.

src/core/hubevent.c

@@ -68,6 +68,10 @@ void on_login_success(struct hub_info* hub, struct hub_user* u)
 	if (user_is_logged_in(u)) /* Previous send() can fail! */
 		hub_send_motd(hub, u);
 
+	/* Send message of the day (if any) */
+	if (user_is_logged_in(u)) /* Previous send() can fail! */
+		hub_send_rules(hub, u);
+
 	/* reset timeout */
 	net_con_clear_timeout(u->connection);
 }