1 #include "../control/control.h"
2 #include "../localuser/localuser.h"
3 #include "../core/schedule.h"
4 #include "../lib/splitline.h"
5 #include "../lib/flags.h"
6 #include "../lib/irc_string.h"
7 #include "../lib/strlfunc.h"
10 #include "noperserv_db.h"
11 #include "noperserv_hooks.h"
12 #include "noperserv_policy.h"
23 struct storedhook
*next
;
26 struct storedhook
*storedhooks
= NULL
;
29 nick
*replynick
= NULL
;
31 UserMessageHandler oldhandler
;
35 void noperserv_trap_registration(int hooknum
, void *arg
);
36 int noperserv_showcommands(void *sender
, int cargc
, char **cargv
);
37 int noperserv_rmmod(void *sender
, int cargc
, char **cargv
);
38 int noperserv_reload(void *sender
, int cargc
, char **cargv
);
39 int noperserv_whois(void *sender
, int cargc
, char **cargv
);
40 int noperserv_help(void *sender
, int cargc
, char **cargv
);
41 void noperserv_whois_handler(int hooknum
, void *arg
);
42 void noperserv_whois_account_handler(int hooknum
, void *arg
);
43 void noperserv_handle_messages(nick
*target
, int messagetype
, void **args
);
44 void noperserv_reply(nick
*np
, char *format
, ...);
45 void noperserv_wall(flag_t permissionlevel
, flag_t noticelevel
, char *format
, ...);
47 struct specialsched special
;
49 #define HOOK_CONTROL_WHOISREQUEST_AUTHNAME -1
50 #define HOOK_CONTROL_WHOISREQUEST_AUTHEDUSER -2
52 void noperserv_setup_hooks(void) {
53 oldreply
= controlreply
;
54 controlreply
= &noperserv_reply
;
56 oldwall
= controlwall
;
57 controlwall
= &noperserv_wall
;
59 memset(&special
, 0, sizeof(specialsched
));
62 registerhook(HOOK_CONTROL_REGISTERED
, &noperserv_trap_registration
);
64 noperserv_trap_registration(0, (void *)mynick
);
67 registerhook(HOOK_CONTROL_WHOISREQUEST
, &noperserv_whois_handler
);
70 int noperserv_hook_command(char *command
, CommandHandler newcommand
, char *newhelp
) {
71 struct storedhook
*newhook
;
72 Command
*fetchcommand
= findcommandintree(controlcmds
, command
, 1);
77 newhook
= (struct storedhook
*)malloc(sizeof(struct storedhook
));
81 newhook
->name
= getsstring(command
, strlen(command
));
87 newhook
->old
= fetchcommand
->handler
;
89 int len
= strlen(newhelp
) + 1;
90 newhook
->newhelp
= (char *)malloc(len
);
91 if(!newhook
->newhelp
) {
92 freesstring(newhook
->name
);
95 strlcpy(newhook
->newhelp
, newhelp
, len
);
96 newhook
->oldhelp
= fetchcommand
->help
;
97 fetchcommand
->help
= newhook
->newhelp
;
99 newhook
->newhelp
= NULL
;
102 newhook
->next
= storedhooks
;
103 storedhooks
= newhook
;
105 fetchcommand
->handler
= newcommand
;
110 void noperserv_unhook_all_commands(void) {
111 struct storedhook
*nh
, *ch
= storedhooks
;
112 Command
*fetchcommand
;
115 if(ch
->old
&& (fetchcommand
= findcommandintree(controlcmds
, ch
->name
->content
, 1))) {
116 fetchcommand
->handler
= ch
->old
;
118 fetchcommand
->help
= ch
->oldhelp
;
123 freesstring(ch
->name
);
129 void noperserv_cleanup_hooks(void) {
130 deregisterhook(HOOK_CONTROL_WHOISREQUEST
, &noperserv_whois_handler
);
131 deregisterhook(HOOK_CONTROL_REGISTERED
, &noperserv_trap_registration
);
134 noperserv_unhook_all_commands();
139 hooklocaluserhandler(mynick
, oldhandler
);
141 controlwall
= oldwall
;
142 controlreply
= oldreply
;
145 void noperserv_trap_registration(int hooknum
, void *arg
) {
146 oldhandler
= hooklocaluserhandler((nick
*)arg
, &noperserv_handle_messages
);
152 noperserv_hook_command("rmmod", &noperserv_rmmod
, NULL
);
153 noperserv_hook_command("reload", &noperserv_reload
, NULL
);
154 noperserv_hook_command("showcommands", &noperserv_showcommands
, NULL
);
155 noperserv_hook_command("whois", &noperserv_whois
, "Usage: whois <nickname|#authname|*numeric>\nDisplays lots of information about the specified nickname, auth name or numeric.");
156 noperserv_hook_command("help", &noperserv_help
, NULL
);
160 CommandHandler
noperserv_find_hook(char *command
) {
161 struct storedhook
*hh
= storedhooks
;
163 if(!ircd_strcmp(hh
->name
->content
, command
))
169 int noperserv_specialmod(nick
*np
, char *command
, ScheduleCallback reloadhandler
, int cargc
, char **cargv
) {
170 CommandHandler oldcommand
= noperserv_find_hook(command
);
173 return oldcommand(np
, cargc
, cargv
);
177 if(!strcmp(cargv
[0], "noperserv")) {
178 if(special
.schedule
) {
179 controlreply(np
, "Previous attempt at un/reload still in progress.");
182 special
.modulename
= getsstring(cargv
[0], strlen(cargv
[0]));
183 if(!special
.modulename
) {
184 controlreply(np
, "Unable to copy module name. Seek cow herd to trample on server.");
187 special
.schedule
= scheduleoneshot(time(NULL
) + 1, reloadhandler
, &special
);
188 if(!special
.schedule
) {
189 freesstring(special
.modulename
);
190 special
.modulename
= NULL
;
191 controlreply(np
, "Unable to allocate schedule. Seek cow herd to trample on server.");
194 controlreply(np
, "Special case un/reload in <1 second, no response will be sent, standby. . .");
200 return oldcommand(np
, cargc
, cargv
);
205 int noperserv_rmmod(void *sender
, int cargc
, char **cargv
) {
206 return noperserv_specialmod(sender
, "rmmod", &controlspecialrmmod
, cargc
, cargv
);
209 int noperserv_reload(void *sender
, int cargc
, char **cargv
) {
210 return noperserv_specialmod(sender
, "reload", &controlspecialreloadmod
, cargc
, cargv
);
213 void noperserv_whois_hook(int hooknum
, void *arg
) {
214 controlreply(replynick
, "%s", (char *)arg
);
217 int noperserv_whois(void *sender
, int cargc
, char **cargv
) {
219 nick
*np
= (nick
*)sender
;
220 CommandHandler oldwhois
= noperserv_find_hook("whois");
224 return oldwhois(sender
, cargc
, cargv
);
228 if(cargv
[0][0] != '#') {
229 if(cargv
[0][0] == '*')
232 return oldwhois(sender
, cargc
, cargv
);
236 au
= noperserv_get_autheduser(cargv
[0] + 1);
238 controlreply(np
, "Account not registered.");
242 controlreply(np
, "Account : %s", au
->authname
->content
);
246 registerhook(HOOK_CONTROL_WHOISREPLY
, &noperserv_whois_hook
);
247 noperserv_whois_account_handler(HOOK_CONTROL_WHOISREQUEST_AUTHEDUSER
, (void *)au
);
248 deregisterhook(HOOK_CONTROL_WHOISREPLY
, &noperserv_whois_hook
);
250 controlreply(np
, "Flags : %s", printflags(NOGetAuthLevel(au
), no_userflags
));
255 int noperserv_showcommands(void *sender
, int cargc
, char **cargv
) {
256 nick
*np
= (nick
*)sender
;
257 Command
*cmdlist
[100];
260 n
= getcommandlist(controlcmds
, cmdlist
, 100);
262 controlreply(np
, "The following commands are registered at present:");
265 controlreply(np
, "%s (%s)", cmdlist
[i
]->command
->content
, printflags(cmdlist
[i
]->level
, no_commandflags
));
267 controlreply(np
, "End of list.");
271 void noperserv_whois_handler(int hooknum
, void *arg
) {
273 nick
*np
= (nick
*)arg
;
279 au
= NOGetAuthedUser(np
);
281 snprintf(message
, sizeof(message
), "Flags : %s", printflags(NOGetAuthLevel(au
), no_userflags
));
282 noperserv_whois_account_handler(HOOK_CONTROL_WHOISREQUEST_AUTHEDUSER
, (void *)au
);
284 snprintf(message
, sizeof(message
), "Flags : (user not known)");
285 noperserv_whois_account_handler(HOOK_CONTROL_WHOISREQUEST_AUTHNAME
, (void *)np
->authname
);
287 triggerhook(HOOK_CONTROL_WHOISREPLY
, message
);
292 void noperserv_whois_account_handler(int hooknum
, void *arg
) {
293 int count
= 0, found
= 0;
294 char nickbuffer
[(NICKLEN
+ 2) * NO_NICKS_PER_WHOIS_LINE
- 1]; /* since we don't need space or comma for the first item we're fine NULL wise */
295 char accountspace
[NICKLEN
+ 3]; /* space, comma, null */
298 nickbuffer
[0] = '\0';
299 if(hooknum
== HOOK_CONTROL_WHOISREQUEST_AUTHEDUSER
) {
300 /* we can just read out the authed user linked list */
301 no_autheduser
*au
= (void *)arg
;
302 no_nicklist
*nl
= au
->nick
;
307 for(;nl
;nl
=nl
->next
) {
308 snprintf(accountspace
, sizeof(accountspace
), "%s%s", count
++?", ":"", nl
->nick
->nick
);
309 strlcat(nickbuffer
, accountspace
, sizeof(nickbuffer
));
311 if(count
>= NO_NICKS_PER_WHOIS_LINE
) {
312 snprintf(message
, sizeof(message
), "Authed : %s", nickbuffer
);
313 triggerhook(HOOK_CONTROL_WHOISREPLY
, message
);
314 nickbuffer
[0] = '\0';
319 /* inefficient way */
320 char *authname
= (char *)arg
;
324 for(;i
<NICKHASHSIZE
;i
++)
325 for(sp
=nicktable
[i
];sp
;sp
=sp
->next
)
326 if(IsAccount(sp
) && !ircd_strcmp(sp
->authname
, authname
)) {
329 snprintf(accountspace
, sizeof(accountspace
), "%s%s", count
++?", ":"", sp
->nick
);
330 strlcat(nickbuffer
, accountspace
, sizeof(nickbuffer
));
332 if(count
>= NO_NICKS_PER_WHOIS_LINE
) {
333 snprintf(message
, sizeof(message
), "Authed : %s", nickbuffer
);
334 triggerhook(HOOK_CONTROL_WHOISREPLY
, message
);
335 nickbuffer
[0] = '\0';
342 snprintf(message
, sizeof(message
), "Authed : (no nicks authed)");
343 triggerhook(HOOK_CONTROL_WHOISREPLY
, message
);
344 } else if(nickbuffer
[0]) {
345 snprintf(message
, sizeof(message
), "Authed : %s", nickbuffer
);
346 triggerhook(HOOK_CONTROL_WHOISREPLY
, message
);
350 /* Obviously pinched from control.c */
351 void noperserv_handle_messages(nick
*target
, int messagetype
, void **args
) {
357 switch(messagetype
) {
358 case LU_PRIVMSG
: /* override these two commands only */
360 /* If it's a message, first arg is nick and second is message */
361 sender
= (nick
*)args
[0];
363 controlwall(NO_DEVELOPER
, NL_ALL_COMMANDS
, "From: %s!%s@%s%s%s: %s", sender
->nick
, sender
->ident
, sender
->host
->name
->content
, IsAccount(sender
)?"/":"", IsAccount(sender
)?sender
->authname
:"", (char *)args
[1]);
365 /* Split the line into params */
366 cargc
= splitline((char *)args
[1], cargv
, 50, 0);
368 if(!cargc
) /* Blank line */
371 cmd
= findcommandintree(controlcmds
,cargv
[0],1);
373 controlreply(sender
, "Unknown command.");
377 /* If we were doing "authed user tracking" here we'd put a check in for authlevel */
379 if (!noperserv_policy_command_permitted(cmd
->level
, sender
)) {
380 controlreply(sender
, "Access denied.");
384 /* Check the maxargs */
385 if(cmd
->maxparams
< (cargc
- 1)) {
386 /* We need to do some rejoining */
387 rejoinline(cargv
[cmd
->maxparams
], cargc
- (cmd
->maxparams
));
388 cargc
= (cmd
->maxparams
) + 1;
391 if((cmd
->handler
)((void *)sender
,cargc
-1,&(cargv
[1])) == CMD_USAGE
)
392 controlhelp(sender
, cmd
);
397 oldhandler(target
, messagetype
, args
);
402 void noperserv_reply(nick
*np
, char *format
, ...) {
405 no_autheduser
*au
= NOGetAuthedUser(np
);
407 va_start(va
, format
);
408 vsnprintf(buf
, sizeof(buf
), format
, va
);
411 if(au
&& !(NOGetNoticeLevel(au
) & NL_NOTICES
)) {
412 controlmessage(np
, "%s", buf
);
414 controlnotice(np
, "%s", buf
);
418 int noperserv_help(void *sender
, int cargc
, char **cargv
) {
420 nick
*np
= (nick
*)sender
;
425 cmd
= findcommandintree(controlcmds
, cargv
[0], 1);
427 controlreply(np
, "Unknown command.");
431 if(!noperserv_policy_command_permitted(cmd
->level
, np
)) {
432 controlreply(np
, "Access denied.");
436 controlhelp(np
, cmd
);
440 void noperserv_wall(flag_t permissionlevel
, flag_t noticelevel
, char *format
, ...) {
443 no_autheduser
*au
= authedusers
;
445 char *flags
= printflags(noticelevel
, no_noticeflags
) + 1;
447 va_start(va
, format
);
448 vsnprintf(buf
, sizeof(buf
), format
, va
);
451 Error("noperserv", ERR_INFO
, "$%s$ %s", flags
, buf
);
453 for(;au
;au
=au
->next
) {
454 if(NOGetNoticeLevel(au
) & noticelevel
) {
455 for(nl
=au
->nick
;nl
;nl
=nl
->next
)
456 if(noperserv_policy_command_permitted(permissionlevel
, nl
->nick
))
457 controlreply(nl
->nick
, "$%s$ %s", flags
, buf
);