#include "inspircd_config.h"
#include "inspircd.h"
-#include "inspircd_io.h"
+#include "configreader.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/errno.h>
#include <sys/utsname.h>
#include <time.h>
#include <string>
-#ifdef GCC3
#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
#include <map>
#include <sstream>
#include <vector>
extern ServerConfig* Config;
/* return 0 or 1 depending if users u and u2 share one or more common channels
- * (used by QUIT, NICK etc which arent channel specific notices) */
-
+ * (used by QUIT, NICK etc which arent channel specific notices)
+ *
+ * The old algorithm in 1.0 for this was relatively inefficient, iterating over
+ * the first users channels then the second users channels within the outer loop,
+ * therefore it was a maximum of x*y iterations (upon returning 0 and checking
+ * all possible iterations). However this new function instead checks against the
+ * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
+ * and saves us time as we already know what pointer value we are after.
+ * Don't quote me on the maths as i am not a mathematician or computer scientist,
+ * but i believe this algorithm is now x+(log y) maximum iterations instead.
+ */
int common_channels(userrec *u, userrec *u2)
{
- if ((!u) || (!u2))
- {
- log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
+ if ((!u) || (!u2) || (u->registered != REG_ALL) || (u2->registered != REG_ALL))
return 0;
- }
- for (unsigned int i = 0; i < u->chans.size(); i++)
- {
- for (unsigned int z = 0; z != u2->chans.size(); z++)
- {
- if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
- {
- if ((!strcasecmp(u->chans[i].channel->name,u2->chans[z].channel->name)) && (u->chans[i].channel) && (u2->chans[z].channel) && (u->registered == 7) && (u2->registered == 7))
- {
- if ((c_count(u)) && (c_count(u2)))
- {
- return 1;
- }
- }
- }
- }
- }
- return 0;
-}
-
-void tidystring(char* str)
-{
- // strips out double spaces before a : parameter
-
- char temp[MAXBUF];
- bool go_again = true;
- if (!str)
- return;
-
- // pointer voodoo++ --w00t
- while ((*str) && (*str == ' '))
- str++;
-
- while (go_again)
+ /* Outer loop */
+ for (std::vector<ucrec*>::const_iterator i = u->chans.begin(); i != u->chans.end(); i++)
{
- bool noparse = false;
- int t = 0, a = 0;
- go_again = false;
- const int lenofstr = strlen(str);
+ /* Fetch the channel from the user */
+ ucrec* user_channel = *i;
- /*
- * by caching strlen() of str, we theoretically avoid 3 expensive calls each time this loop
- * rolls around.. should speed things up a nanosecond or two. ;)
- */
-
- while (a < lenofstr)
+ if (user_channel->channel)
{
- if ((a < lenofstr - 1) && (noparse == false))
- {
- if ((str[a] == ' ') && (str[a+1] == ' '))
- {
- log(DEBUG,"Tidied extra space out of string: %s",str);
- go_again = true;
- a++;
- }
- }
-
- if (a < lenofstr - 1)
- {
- if ((str[a] == ' ') && (str[a+1] == ':'))
- {
- noparse = true;
- }
- }
-
- temp[t++] = str[a++];
+ /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
+ * by replacing it with a map::find which *should* be more efficient
+ */
+ if (user_channel->channel->HasUser(u2))
+ return 1;
}
-
- temp[t] = '\0';
- strlcpy(str,temp,MAXBUF);
- }
-}
-
-/* chop a string down to 512 characters and preserve linefeed (irc max
- * line length) */
-
-void chop(char* str)
-{
- if (!str)
- {
- log(DEBUG,"ERROR! Null string passed to chop()!");
- return;
- }
- if (strlen(str) >= 511)
- {
- str[510] = '\r';
- str[511] = '\n';
- str[512] = '\0';
- log(DEBUG,"Excess line chopped.");
}
+ return 0;
}
-
void Blocking(int s)
{
- int flags;
- log(DEBUG,"Blocking: %d",s);
- flags = fcntl(s, F_GETFL, 0);
+ int flags = fcntl(s, F_GETFL, 0);
fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
}
void NonBlocking(int s)
{
- int flags;
- log(DEBUG,"NonBlocking: %d",s);
- flags = fcntl(s, F_GETFL, 0);
+ int flags = fcntl(s, F_GETFL, 0);
fcntl(s, F_SETFL, flags | O_NONBLOCK);
}
-int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
-{
- DNS d(Config->DNSServer);
- int fd = d.ReverseLookup(unresolvedHost);
- if (fd < 0)
- return 0;
- time_t T = time(NULL)+1;
- while ((!d.HasResult()) && (time(NULL)<T));
- std::string ipaddr = d.GetResult();
- strlcpy(resolvedHost,ipaddr.c_str(),MAXBUF);
- return (ipaddr != "");
-}
-
int c_count(userrec* u)
{
int z = 0;
- for (unsigned int i =0; i < u->chans.size(); i++)
- if (u->chans[i].channel != NULL)
+ for (std::vector<ucrec*>::const_iterator i = u->chans.begin(); i != u->chans.end(); i++)
+ if ((*i)->channel)
z++;
return z;
}
-bool hasumode(userrec* user, char mode)
-{
- if (user)
- {
- return (strchr(user->modes,mode)>0);
- }
- else return false;
-}
-
-
void ChangeName(userrec* user, const char* gecos)
{
if (user->fd > -1)
void ChangeDisplayedHost(userrec* user, const char* host)
{
- if (user->fd > -1)
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(user,host));
- if (MOD_RESULT)
- return;
+ if (user->fd > -1)
+ {
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(user,host));
+ if (MOD_RESULT)
+ return;
FOREACH_MOD(I_OnChangeHost,OnChangeHost(user,host));
- }
- strlcpy(user->dhost,host,160);
+ }
+ strlcpy(user->dhost,host,63);
WriteServ(user->fd,"396 %s %s :is now your hidden host",user->nick,user->dhost);
}
int isident(const char* n)
{
- if (!n)
-
- {
- return 0;
- }
- if (!strcmp(n,""))
- {
- return 0;
- }
- for (char* i = (char*)n; *i; i++)
- {
- if ((*i >= 'A') && (*i <= '}'))
- {
- continue;
- }
- if (strchr(".-0123456789",*i))
- {
- continue;
- }
+ if (!n || !*n)
+ {
return 0;
- }
- return 1;
+ }
+ for (char* i = (char*)n; *i; i++)
+ {
+ if ((*i >= 'A') && (*i <= '}'))
+ {
+ continue;
+ }
+ if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.'))
+ {
+ continue;
+ }
+ return 0;
+ }
+ return 1;
}
{
return 0;
}
- if (strlen(n) > NICKMAX)
- {
- return 0;
- }
- for (char* i = (char*)n; *i; i++)
+ int p = 0;
+ for (char* i = (char*)n; *i; i++, p++)
{
- /* can occur anywhere in a nickname */
+ /* "A"-"}" can occur anywhere in a nickname */
if ((*i >= 'A') && (*i <= '}'))
{
continue;
}
- /* can occur anywhere BUT the first char of a nickname */
- if ((strchr("-0123456789",*i)) && (i > n))
+ /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */
+ if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n))
{
continue;
}
/* invalid character! abort */
return 0;
}
- return 1;
+ return (p < NICKMAX - 1);
}
/* returns the status character for a given user on a channel, e.g. @ for op,
* % for halfop etc. If the user has several modes set, the highest mode
* the user has must be returned. */
-char* cmode(userrec *user, chanrec *chan)
+const char* cmode(userrec *user, chanrec *chan)
{
if ((!user) || (!chan))
{
return "";
}
- for (unsigned int i = 0; i < user->chans.size(); i++)
+ for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
{
- if (user->chans[i].channel)
+ if ((*i)->channel == chan)
{
- if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
+ if (((*i)->uc_modes & UCMODE_OP) > 0)
+ {
+ return "@";
+ }
+ if (((*i)->uc_modes & UCMODE_HOP) > 0)
+ {
+ return "%";
+ }
+ if (((*i)->uc_modes & UCMODE_VOICE) > 0)
{
- if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
- {
- return "@";
- }
- if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
- {
- return "%";
- }
- if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
- {
- return "+";
- }
- return "";
+ return "+";
}
+ return "";
}
}
return "";
}
+int cflags(userrec *user, chanrec *chan)
+{
+ if ((!chan) || (!user))
+ return 0;
+
+ for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
+ {
+ if ((*i)->channel == chan)
+ {
+ return (*i)->uc_modes;
+ }
+ }
+ return 0;
+}
+
/* returns the status value for a given user on a channel, e.g. STATUS_OP for
* op, STATUS_VOICE for voice etc. If the user has several modes set, the
* highest mode the user has must be returned. */
if (is_uline(user->server))
return STATUS_OP;
- for (unsigned int i = 0; i < user->chans.size(); i++)
+ for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
{
- if (user->chans[i].channel)
+ if ((*i)->channel == chan)
{
- if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
+ if (((*i)->uc_modes & UCMODE_OP) > 0)
{
- if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
- {
- return STATUS_OP;
- }
- if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
- {
- return STATUS_HOP;
- }
- if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
- {
- return STATUS_VOICE;
- }
- return STATUS_NORMAL;
+ return STATUS_OP;
}
- }
- }
- return STATUS_NORMAL;
-}
-
-/* returns 1 if user u has channel c in their record, 0 if not */
-
-int has_channel(userrec *u, chanrec *c)
-{
- if ((!u) || (!c))
- {
- log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
- return 0;
- }
- for (unsigned int i =0; i < u->chans.size(); i++)
- {
- if (u->chans[i].channel)
- {
- if (!strcasecmp(u->chans[i].channel->name,c->name))
+ if (((*i)->uc_modes & UCMODE_HOP) > 0)
{
- return 1;
+ return STATUS_HOP;
}
+ if (((*i)->uc_modes & UCMODE_VOICE) > 0)
+ {
+ return STATUS_VOICE;
+ }
+ return STATUS_NORMAL;
}
}
- return 0;
-}
-
-
-void TidyBan(char *ban)
-{
- if (!ban) {
- log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
- return;
- }
-
- char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
-
- strlcpy(temp,ban,MAXBUF);
-
- char* pos_of_pling = strchr(temp,'!');
- char* pos_of_at = strchr(temp,'@');
-
- pos_of_pling[0] = '\0';
- pos_of_at[0] = '\0';
- pos_of_pling++;
- pos_of_at++;
-
- strlcpy(NICK,temp,NICKMAX);
- strlcpy(IDENT,pos_of_pling,IDENTMAX+1);
- strlcpy(HOST,pos_of_at,160);
-
- snprintf(ban,MAXBUF,"%s!%s@%s",NICK,IDENT,HOST);
+ return STATUS_NORMAL;
}
-char lst[MAXBUF];
-
std::string chlist(userrec *user,userrec* source)
{
- std::string cmp = "";
- std::string lst = "";
- log(DEBUG,"chlist: %s",user->nick);
- if (!user)
- {
- return lst;
- }
- bool userinvisible = (strchr(user->modes,'i'));
- for (unsigned int i = 0; i < user->chans.size(); i++)
+ std::string list;
+
+ if (!user || !source)
+ return "";
+
+ for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
{
- if (user->chans[i].channel != NULL)
- {
- if (user->chans[i].channel->name)
+ ucrec* rec = *i;
+
+ if(rec->channel && rec->channel->name)
+ {
+ /* If the target is the same as the sender, let them see all their channels.
+ * If the channel is NOT private/secret OR the user shares a common channel
+ * If the user is an oper, and the <options:operspywhois> option is set.
+ */
+ if ((source == user) || (*source->oper && Config->OperSpyWhois) || (((!rec->channel->modes[CM_PRIVATE]) && (!rec->channel->modes[CM_SECRET])) || (rec->channel->HasUser(source))))
{
- cmp = std::string(user->chans[i].channel->name) + " ";
- if (!strstr(lst.c_str(),cmp.c_str()))
- {
- // if the channel is NOT private/secret, OR the source user is on the channel, AND the user is not invisible.
- // if the user is the same as the source, shortcircuit the comparison.
- if ((source == user) || ((((!(user->chans[i].channel->binarymodes & CM_PRIVATE)) && (!(user->chans[i].channel->binarymodes & CM_SECRET)) && (!userinvisible)) || (has_channel(source,user->chans[i].channel)))))
- {
- lst = lst + std::string(cmode(user,user->chans[i].channel)) + std::string(user->chans[i].channel->name) + " ";
- }
- }
+ list.append(cmode(user, rec->channel)).append(rec->channel->name).append(" ");
}
}
}
- return lst;
+ return list;
}
-