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Cleanup command list, automatically generate help list depending on user credentials.

This commit is contained in:
Jan Vidar Krey 2009-03-20 18:37:38 +01:00
parent cf2994b570
commit f8d5b72a89
1 changed files with 57 additions and 21 deletions
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76
src/commands.c
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@ -19,6 +19,19 @@
#include "uhub.h"
typedef int (*command_handler)(struct user* user, const char* message);
struct commands_handler
{
const char* prefix;
size_t length;
enum user_credentials cred;
command_handler handler;
const char* description;
};
static struct commands_handler command_handlers[];
static void send_message(struct user* user, const char* message)
{
char* buffer = adc_msg_escape(message);
@ -57,16 +70,23 @@ static int command_stats(struct user* user, const char* message)
static int command_help(struct user* user, const char* message)
{
send_message(user, "\n"
"*** Available commands:\n"
"!help - Show this help message\n"
"!stats - Show hub stats (super)\n"
"!version - Show hub version info\n"
"!uptime - Display hub uptime\n"
"!kick <user> - Kick user (operator)\n"
"!reload - Reload configuration (admin)\n"
"!shutdown - Shutdown hub (admin)\n"
);
#define MAX_HELP_MSG 1024
size_t n;
char msg[MAX_HELP_MSG];
msg[0] = 0;
strcat(msg, "\n*** Available commands:\n");
for (n = 0; command_handlers[n].prefix; n++)
{
if (command_handlers[n].cred <= user->credentials)
{
strcat(msg, command_handlers[n].prefix);
strcat(msg, " - ");
strcat(msg, command_handlers[n].description);
strcat(msg, "\n");
}
}
send_message(user, msg);
return 0;
}
@ -153,19 +173,35 @@ static int command_myip(struct user* user, const char* message)
return 0;
}
int command_dipatcher(struct user* user, const char* message)
{
if (!strncmp(message, "!stats", 6)) command_stats(user, message);
else if (!strncmp(message, "!help", 5)) command_help(user, message);
else if (!strncmp(message, "!kick", 5)) command_kick(user, message);
else if (!strncmp(message, "!version", 8)) command_version(user, message);
else if (!strncmp(message, "!uptime", 7)) command_uptime(user, message);
else if (!strncmp(message, "+myip", 5)) command_myip(user, message);
else if (!strncmp(message, "!reload", 7)) command_reload(user, message);
else if (!strncmp(message, "!shutdown",9)) command_shutdown(user, message);
size_t n = 0;
for (n = 0; command_handlers[n].prefix; n++)
{
if (!strncmp(message, command_handlers[n].prefix, command_handlers[n].length))
{
if (command_handlers[n].cred <= user->credentials)
{
return command_handlers[n].handler(user, message);
}
else
{
return command_access_denied(user);
}
}
}
return 1;
return 0;
}
static struct commands_handler command_handlers[] = {
{ "!help", 5, cred_guest, command_help, "Show this help message." },
{ "!stats", 6, cred_super, command_stats, "Show hub statistics." },
{ "!version", 8, cred_guest, command_version, "Show hub version info." },
{ "!uptime", 7, cred_guest, command_uptime, "Display hub uptime info." },
{ "!kick", 5, cred_operator, command_kick, "Kick a user" },
{ "!reload", 7, cred_admin, command_reload, "Reload configuration files." },
{ "!shutdown", 9, cred_admin, command_shutdown, "Shutdown hub." },
{ "+myip", 5, cred_guest, command_myip, "Show your own IP." },
{ 0, 0, cred_none, command_help, "{ Last dummy option }" }
};