* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
- * $Id: chmode.c 3213 2007-02-21 19:52:51Z jilles $
+ * $Id: chmode.c 3580 2007-11-07 23:45:14Z jilles $
*/
#include "stdinc.h"
-#include "tools.h"
#include "channel.h"
#include "client.h"
#include "common.h"
#include "hash.h"
#include "hook.h"
-#include "irc_string.h"
-#include "sprintf_irc.h"
+#include "match.h"
#include "ircd.h"
#include "numeric.h"
#include "s_serv.h" /* captab */
#include "whowas.h"
#include "s_conf.h" /* ConfigFileEntry, ConfigChannel */
#include "s_newconf.h"
-#include "event.h"
-#include "memory.h"
-#include "balloc.h"
-#include "s_log.h"
+#include "logger.h"
+#include "chmode.h"
/* bitmasks for error returns, so we send once per call */
#define SM_ERR_NOTS 0x00000001 /* No TS on channel */
#define SM_ERR_NOPRIVS 0x00000400
#define SM_ERR_RPL_Q 0x00000800
#define SM_ERR_RPL_F 0x00001000
+#define SM_ERR_MLOCK 0x00002000
-void set_channel_mode(struct Client *, struct Client *,
- struct Channel *, struct membership *, int, const char **);
-
-int add_id(struct Client *source_p, struct Channel *chptr,
- const char *banid, dlink_list * list, long mode_type);
+#define MAXMODES_SIMPLE 46 /* a-zA-Z except bqeIov */
static struct ChModeChange mode_changes[BUFSIZE];
static int mode_count;
static int mode_limit;
+static int mode_limit_simple;
static int mask_pos;
+char cflagsbuf[256];
+char cflagsmyinfo[256];
+
+int chmode_flags[256];
+
+extern int h_get_channel_access;
+
+/* OPTIMIZE ME! -- dwr */
+void
+construct_cflags_strings(void)
+{
+ int i;
+ char *ptr = cflagsbuf;
+ char *ptr2 = cflagsmyinfo;
+
+ *ptr = '\0';
+ *ptr2 = '\0';
+
+ for(i = 0; i < 256; i++)
+ {
+ if( !(chmode_table[i].set_func == chm_ban) &&
+ !(chmode_table[i].set_func == chm_forward) &&
+ !(chmode_table[i].set_func == chm_throttle) &&
+ !(chmode_table[i].set_func == chm_key) &&
+ !(chmode_table[i].set_func == chm_limit) &&
+ !(chmode_table[i].set_func == chm_op) &&
+ !(chmode_table[i].set_func == chm_voice))
+ {
+ chmode_flags[i] = chmode_table[i].mode_type;
+ }
+ else
+ {
+ chmode_flags[i] = 0;
+ }
+
+ switch (chmode_flags[i])
+ {
+ case MODE_EXLIMIT:
+ case MODE_DISFORWARD:
+ if(ConfigChannel.use_forward)
+ {
+ *ptr++ = (char) i;
+ }
+
+ break;
+ case MODE_REGONLY:
+ if(rb_dlink_list_length(&service_list))
+ {
+ *ptr++ = (char) i;
+ }
+
+ break;
+ default:
+ if(chmode_flags[i] != 0)
+ {
+ *ptr++ = (char) i;
+ }
+ }
+
+ /* Should we leave orphaned check here? -- dwr */
+ if(!(chmode_table[i].set_func == chm_nosuch) && !(chmode_table[i].set_func == chm_orphaned))
+ {
+ *ptr2++ = (char) i;
+ }
+ }
+
+ *ptr++ = '\0';
+ *ptr2++ = '\0';
+}
+
+/*
+ * find_umode_slot
+ *
+ * inputs - NONE
+ * outputs - an available cflag bitmask or
+ * 0 if no cflags are available
+ * side effects - NONE
+ */
+static unsigned int
+find_cflag_slot(void)
+{
+ unsigned int all_cflags = 0, my_cflag = 0, i;
+
+ for (i = 0; i < 256; i++)
+ all_cflags |= chmode_flags[i];
+
+ for (my_cflag = 1; my_cflag && (all_cflags & my_cflag);
+ my_cflag <<= 1);
+
+ return my_cflag;
+}
+
+unsigned int
+cflag_add(char c_, ChannelModeFunc function)
+{
+ int c = (unsigned char)c_;
+
+ if (chmode_table[c].set_func != chm_nosuch &&
+ chmode_table[c].set_func != chm_orphaned)
+ return 0;
+
+ if (chmode_table[c].set_func == chm_nosuch)
+ chmode_table[c].mode_type = find_cflag_slot();
+ if (chmode_table[c].mode_type == 0)
+ return 0;
+ chmode_table[c].set_func = function;
+ construct_cflags_strings();
+ return chmode_table[c].mode_type;
+}
+
+void
+cflag_orphan(char c_)
+{
+ int c = (unsigned char)c_;
+
+ s_assert(chmode_flags[c] != 0);
+ chmode_table[c].set_func = chm_orphaned;
+ construct_cflags_strings();
+}
+
int
get_channel_access(struct Client *source_p, struct membership *msptr)
{
- if(!MyClient(source_p) || is_chanop(msptr))
+ hook_data_channel_approval moduledata;
+
+ if(!MyClient(source_p))
return CHFL_CHANOP;
- return CHFL_PEON;
+ if (msptr == NULL)
+ return CHFL_PEON;
+
+ moduledata.client = source_p;
+ moduledata.chptr = msptr->chptr;
+ moduledata.msptr = msptr;
+ moduledata.target = NULL;
+ moduledata.approved = is_chanop(msptr) ? CHFL_CHANOP : CHFL_PEON;
+
+ call_hook(h_get_channel_access, &moduledata);
+
+ return moduledata.approved;
}
/* add_id()
*/
int
add_id(struct Client *source_p, struct Channel *chptr, const char *banid,
- dlink_list * list, long mode_type)
+ rb_dlink_list * list, long mode_type)
{
struct Ban *actualBan;
- static char who[BANLEN];
+ static char who[USERHOST_REPLYLEN];
char *realban = LOCAL_COPY(banid);
- dlink_node *ptr;
+ rb_dlink_node *ptr;
/* dont let local clients overflow the banlist, or set redundant
* bans
*/
if(MyClient(source_p))
{
- if((dlink_list_length(&chptr->banlist) + dlink_list_length(&chptr->exceptlist) + dlink_list_length(&chptr->invexlist) + dlink_list_length(&chptr->quietlist)) >= (chptr->mode.mode & MODE_EXLIMIT ? ConfigChannel.max_bans_large : ConfigChannel.max_bans))
+ if((rb_dlink_list_length(&chptr->banlist) + rb_dlink_list_length(&chptr->exceptlist) + rb_dlink_list_length(&chptr->invexlist) + rb_dlink_list_length(&chptr->quietlist)) >= (chptr->mode.mode & MODE_EXLIMIT ? ConfigChannel.max_bans_large : ConfigChannel.max_bans))
{
sendto_one(source_p, form_str(ERR_BANLISTFULL),
me.name, source_p->name, chptr->chname, realban);
return 0;
}
- collapse(realban);
-
- DLINK_FOREACH(ptr, list->head)
+ RB_DLINK_FOREACH(ptr, list->head)
{
actualBan = ptr->data;
- if(match(actualBan->banstr, realban))
+ if(mask_match(actualBan->banstr, realban))
return 0;
}
}
/* dont let remotes set duplicates */
else
{
- DLINK_FOREACH(ptr, list->head)
+ RB_DLINK_FOREACH(ptr, list->head)
{
actualBan = ptr->data;
if(!irccmp(actualBan->banstr, realban))
if(IsPerson(source_p))
- ircsprintf(who, "%s!%s@%s", source_p->name, source_p->username, source_p->host);
+ rb_sprintf(who, "%s!%s@%s", source_p->name, source_p->username, source_p->host);
else
- strlcpy(who, source_p->name, sizeof(who));
+ rb_strlcpy(who, source_p->name, sizeof(who));
actualBan = allocate_ban(realban, who);
- actualBan->when = CurrentTime;
+ actualBan->when = rb_current_time();
- dlinkAdd(actualBan, &actualBan->node, list);
+ rb_dlinkAdd(actualBan, &actualBan->node, list);
/* invalidate the can_send() cache */
if(mode_type == CHFL_BAN || mode_type == CHFL_QUIET || mode_type == CHFL_EXCEPTION)
* side effects - given id is removed from the appropriate list
*/
int
-del_id(struct Channel *chptr, const char *banid, dlink_list * list, long mode_type)
+del_id(struct Channel *chptr, const char *banid, rb_dlink_list * list, long mode_type)
{
- dlink_node *ptr;
+ rb_dlink_node *ptr;
struct Ban *banptr;
if(EmptyString(banid))
return 0;
- DLINK_FOREACH(ptr, list->head)
+ RB_DLINK_FOREACH(ptr, list->head)
{
banptr = ptr->data;
if(irccmp(banid, banptr->banstr) == 0)
{
- dlinkDelete(&banptr->node, list);
+ rb_dlinkDelete(&banptr->node, list);
free_ban(banptr);
/* invalidate the can_send() cache */
if (*mask == '$')
{
- mask_pos += ircsprintf(mask_buf + mask_pos, "%s", mask) + 1;
+ mask_pos += rb_sprintf(mask_buf + mask_pos, "%s", mask) + 1;
t = mask_buf + old_mask_pos + 1;
if (*t == '!')
*t = '~';
if(*t != '\0')
user = t;
}
- else if(strchr(mask, '.') != NULL || strchr(mask, ':') != NULL)
+ else if(strchr(mask, '.') != NULL || strchr(mask, ':') != NULL || strchr(mask, '/') != NULL)
{
if(*mask != '\0')
host = mask;
host[HOSTLEN] = '\0';
}
- mask_pos += ircsprintf(mask_buf + mask_pos, "%s!%s@%s", nick, user, host) + 1;
+ mask_pos += rb_sprintf(mask_buf + mask_pos, "%s!%s@%s", nick, user, host) + 1;
/* restore mask, since we may need to use it again later */
if(at)
return;
}
- /* +ntspmaikl == 9 + MAXMODEPARAMS (4 * +o) */
- if(MyClient(source_p) && (++mode_limit > (9 + MAXMODEPARAMS)))
+ if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
return;
/* setting + */
}
}
+void
+chm_orphaned(struct Client *source_p, struct Channel *chptr,
+ int alevel, int parc, int *parn,
+ const char **parv, int *errors, int dir, char c, long mode_type)
+{
+ if(MyClient(source_p))
+ return;
+
+ if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
+ {
+ chptr->mode.mode |= mode_type;
+
+ mode_changes[mode_count].letter = c;
+ mode_changes[mode_count].dir = MODE_ADD;
+ mode_changes[mode_count].caps = 0;
+ mode_changes[mode_count].nocaps = 0;
+ mode_changes[mode_count].id = NULL;
+ mode_changes[mode_count].mems = ALL_MEMBERS;
+ mode_changes[mode_count++].arg = NULL;
+ }
+ else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
+ {
+ chptr->mode.mode &= ~mode_type;
+
+ mode_changes[mode_count].letter = c;
+ mode_changes[mode_count].dir = MODE_DEL;
+ mode_changes[mode_count].caps = 0;
+ mode_changes[mode_count].nocaps = 0;
+ mode_changes[mode_count].mems = ALL_MEMBERS;
+ mode_changes[mode_count].id = NULL;
+ mode_changes[mode_count++].arg = NULL;
+ }
+}
+
void
chm_staff(struct Client *source_p, struct Channel *chptr,
int alevel, int parc, int *parn,
*errors |= SM_ERR_NOPRIVS;
return;
}
+ if(MyClient(source_p) && !IsOperResv(source_p))
+ {
+ if(!(*errors & SM_ERR_NOPRIVS))
+ sendto_one(source_p, form_str(ERR_NOPRIVS), me.name,
+ source_p->name, "resv");
+ *errors |= SM_ERR_NOPRIVS;
+ return;
+ }
+
+ if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
+ return;
/* setting + */
if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
{
const char *mask;
const char *raw_mask;
- dlink_list *list;
- dlink_node *ptr;
+ rb_dlink_list *list;
+ rb_dlink_node *ptr;
struct Ban *banptr;
int errorval;
int rpl_list;
case CHFL_QUIET:
list = &chptr->quietlist;
errorval = SM_ERR_RPL_Q;
- rpl_list = RPL_BANLIST;
- rpl_endlist = RPL_ENDOFBANLIST;
+ rpl_list = RPL_QUIETLIST;
+ rpl_endlist = RPL_ENDOFQUIETLIST;
mems = ALL_MEMBERS;
caps = 0;
break;
return;
}
- DLINK_FOREACH(ptr, list->head)
+ RB_DLINK_FOREACH(ptr, list->head)
{
banptr = ptr->data;
sendto_one(source_p, form_str(rpl_list),
me.name, source_p->name, chptr->chname,
banptr->banstr, banptr->who, banptr->when);
}
- if (mode_type == CHFL_QUIET)
- sendto_one(source_p, ":%s %d %s %s :End of Channel Quiet List", me.name, rpl_endlist, source_p->name, chptr->chname);
- else
- sendto_one(source_p, form_str(rpl_endlist), me.name, source_p->name, chptr->chname);
+ sendto_one(source_p, form_str(rpl_endlist), me.name, source_p->name, chptr->chname);
return;
}
else
mask = pretty_mask(raw_mask);
- /* we'd have problems parsing this, hyb6 does it too */
- if(strlen(mask) > (MODEBUFLEN - 2))
+ /* we'd have problems parsing this, hyb6 does it too
+ * also make sure it will always fit on a line with channel
+ * name etc.
+ */
+ if(strlen(mask) > IRCD_MIN(BANLEN, MODEBUFLEN - 5))
return;
/* if we're adding a NEW id */
if(dir == MODE_ADD)
{
- if(targ_p == source_p)
+ if(targ_p == source_p && mstptr->flags & CHFL_CHANOP)
return;
mode_changes[mode_count].letter = c;
mode_changes[mode_count++].client = targ_p;
mstptr->flags |= CHFL_CHANOP;
- mstptr->flags &= ~CHFL_DEOPPED;
}
else
{
if(dir == MODE_QUERY)
return;
+ if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
+ return;
+
if((dir == MODE_ADD) && parc > *parn)
{
lstr = parv[(*parn)];
if(EmptyString(lstr) || (limit = atoi(lstr)) <= 0)
return;
- ircsprintf(limitstr, "%d", limit);
+ rb_sprintf(limitstr, "%d", limit);
mode_changes[mode_count].letter = c;
mode_changes[mode_count].dir = MODE_ADD;
if(dir == MODE_QUERY)
return;
+ if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
+ return;
+
if((dir == MODE_ADD) && parc > *parn)
{
sscanf(parv[(*parn)], "%d:%d", &joins, ×lice);
}
#endif
+ if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
+ return;
+
if(dir == MODE_ADD && parc > *parn)
{
forward = parv[(*parn)];
}
}
- strlcpy(chptr->mode.forward, forward, sizeof(chptr->mode.forward));
+ rb_strlcpy(chptr->mode.forward, forward, sizeof(chptr->mode.forward));
mode_changes[mode_count].letter = c;
mode_changes[mode_count].dir = MODE_ADD;
if(dir == MODE_QUERY)
return;
+ if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
+ return;
+
if((dir == MODE_ADD) && parc > *parn)
{
key = LOCAL_COPY(parv[(*parn)]);
return;
s_assert(key[0] != ' ');
- strlcpy(chptr->mode.key, key, sizeof(chptr->mode.key));
+ rb_strlcpy(chptr->mode.key, key, sizeof(chptr->mode.key));
mode_changes[mode_count].letter = c;
mode_changes[mode_count].dir = MODE_ADD;
}
}
-void
-chm_regonly(struct Client *source_p, struct Channel *chptr,
- int alevel, int parc, int *parn,
- const char **parv, int *errors, int dir, char c, long mode_type)
-{
- if(alevel != CHFL_CHANOP)
- {
- if(!(*errors & SM_ERR_NOOPS))
- sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
- me.name, source_p->name, chptr->chname);
- *errors |= SM_ERR_NOOPS;
- return;
- }
-
- if(dir == MODE_QUERY)
- return;
-
- if(((dir == MODE_ADD) && (chptr->mode.mode & MODE_REGONLY)) ||
- ((dir == MODE_DEL) && !(chptr->mode.mode & MODE_REGONLY)))
- return;
-
- if(dir == MODE_ADD)
- chptr->mode.mode |= MODE_REGONLY;
- else
- chptr->mode.mode &= ~MODE_REGONLY;
-
- mode_changes[mode_count].letter = c;
- mode_changes[mode_count].dir = dir;
- mode_changes[mode_count].caps = CAP_SERVICE;
- mode_changes[mode_count].nocaps = 0;
- mode_changes[mode_count].mems = ALL_MEMBERS;
- mode_changes[mode_count].id = NULL;
- mode_changes[mode_count++].arg = NULL;
-}
-
/* *INDENT-OFF* */
struct ChannelMode chmode_table[256] =
{
{chm_nosuch, 0 }, /* @ */
{chm_nosuch, 0 }, /* A */
{chm_nosuch, 0 }, /* B */
- {chm_nosuch, 0 }, /* C */
+ {chm_simple, MODE_NOCTCP }, /* C */
{chm_nosuch, 0 }, /* D */
{chm_nosuch, 0 }, /* E */
{chm_simple, MODE_FREETARGET }, /* F */
{chm_op, 0 }, /* o */
{chm_simple, MODE_PRIVATE }, /* p */
{chm_ban, CHFL_QUIET }, /* q */
- {chm_regonly, 0 }, /* r */
+ {chm_simple, MODE_REGONLY }, /* r */
{chm_simple, MODE_SECRET }, /* s */
{chm_simple, MODE_TOPICLIMIT }, /* t */
{chm_nosuch, 0 }, /* u */
mask_pos = 0;
mode_count = 0;
mode_limit = 0;
+ mode_limit_simple = 0;
alevel = get_channel_access(source_p, msptr);
dir = MODE_QUERY;
break;
default:
+ /* If this mode char is locked, don't allow local users to change it. */
+ if (MyClient(source_p) && chptr->mode_lock && strchr(chptr->mode_lock, c))
+ {
+ if (!(errors & SM_ERR_MLOCK))
+ sendto_one_numeric(source_p,
+ ERR_MLOCKRESTRICTED,
+ form_str(ERR_MLOCKRESTRICTED),
+ chptr->chname,
+ c,
+ chptr->mode_lock);
+ errors |= SM_ERR_MLOCK;
+ continue;
+ }
chmode_table[(unsigned char) c].set_func(fakesource_p, chptr, alevel,
parc, &parn, parv,
&errors, dir, c,
return;
if(IsServer(source_p))
- mlen = ircsprintf(modebuf, ":%s MODE %s ", fakesource_p->name, chptr->chname);
+ mlen = rb_sprintf(modebuf, ":%s MODE %s ", fakesource_p->name, chptr->chname);
else
- mlen = ircsprintf(modebuf, ":%s!%s@%s MODE %s ",
+ mlen = rb_sprintf(modebuf, ":%s!%s@%s MODE %s ",
source_p->name, source_p->username,
source_p->host, chptr->chname);
if(mode_changes[i].arg != NULL)
{
paracount++;
- len = ircsprintf(pbuf, "%s ", mode_changes[i].arg);
+ len = rb_sprintf(pbuf, "%s ", mode_changes[i].arg);
pbuf += len;
paralen += len;
}
}
/* only propagate modes originating locally, or if we're hubbing */
- if(MyClient(source_p) || dlink_list_length(&serv_list) > 1)
+ if(MyClient(source_p) || rb_dlink_list_length(&serv_list) > 1)
send_cap_mode_changes(client_p, source_p, chptr, mode_changes, mode_count);
}
+
+/* set_channel_mlock()
+ *
+ * inputs - client, source, channel, params
+ * output -
+ * side effects - channel mlock is changed / MLOCK is propagated
+ */
+void
+set_channel_mlock(struct Client *client_p, struct Client *source_p,
+ struct Channel *chptr, const char *newmlock, int propagate)
+{
+ rb_free(chptr->mode_lock);
+ chptr->mode_lock = newmlock ? rb_strdup(newmlock) : NULL;
+
+ if (propagate)
+ {
+ sendto_server(client_p, NULL, CAP_TS6 | CAP_MLOCK, NOCAPS, ":%s MLOCK %ld %s :%s",
+ source_p->id, (long) chptr->channelts, chptr->chname,
+ chptr->mode_lock ? chptr->mode_lock : "");
+ }
+}
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