#include <string.h>
#include <sys/stat.h>
+static char *IsVhost(char *hostmask, int oper);
+static char *IsVhostPass(char *hostmask);
+
/** Count of allocated User structures. */
static int userCount = 0;
Count_unknownbecomesclient(sptr, UserStats);
+ if (MyConnect(sptr) && feature_bool(FEAT_AUTOINVISIBLE))
+ SetInvisible(sptr);
+
+ if(MyConnect(sptr) && feature_bool(FEAT_SETHOST_AUTO)) {
+ if (conf_check_slines(sptr)) {
+ send_reply(sptr, RPL_USINGSLINE);
+ SetSetHost(sptr);
+ }
+ }
+
SetUser(sptr);
cli_handler(sptr) = CLIENT_HANDLER;
SetLocalNumNick(sptr);
sptr, cli_name(&me));
return exit_client(cptr, sptr, &me,"Too many connections from your host -- throttled");
}
+
+ if(MyConnect(sptr) && feature_bool(FEAT_SETHOST_AUTO)) {
+ if (conf_check_slines(sptr)) {
+ send_reply(sptr, RPL_USINGSLINE);
+ SetSetHost(sptr);
+ }
+ }
+
SetUser(sptr);
}
"%s %d %Tu %s %s %s%s%s%s %s%s :%s",
cli_name(sptr), cli_hopcount(sptr) + 1,
cli_lastnick(sptr),
- user->username, user->realhost,
+ user->realusername, user->realhost,
*tmpstr ? "+" : "", tmpstr, *tmpstr ? " " : "",
iptobase64(ip_base64, &cli_ip(sptr), sizeof(ip_base64), 1),
NumNick(sptr), cli_info(sptr));
"%s %d %Tu %s %s %s%s%s%s %s%s :%s",
cli_name(sptr), cli_hopcount(sptr) + 1,
cli_lastnick(sptr),
- user->username, user->realhost,
+ user->realusername, user->realhost,
*tmpstr ? "+" : "", tmpstr, *tmpstr ? " " : "",
iptobase64(ip_base64, &cli_ip(sptr), sizeof(ip_base64), 0),
NumNick(sptr), cli_info(sptr));
{ FLAG_CHSERV, 'k' },
{ FLAG_DEBUG, 'g' },
{ FLAG_ACCOUNT, 'r' },
- { FLAG_HIDDENHOST, 'x' }
+ { FLAG_HIDDENHOST, 'x' },
+ { FLAG_ACCOUNTONLY, 'R' },
+ { FLAG_XTRAOP, 'X' },
+ { FLAG_NOCHAN, 'n' },
+ { FLAG_NOIDLE, 'I' },
+ { FLAG_SETHOST, 'h' },
+ { FLAG_PARANOID, 'P' }
};
/** Length of #userModeList. */
if (IsServer(sptr)) {
int i;
const char* account = 0;
+ char* hostmask = 0;
+ char* host = 0;
const char* p;
/*
SetFlag(new_client, userModeList[i].flag);
if (userModeList[i].flag == FLAG_ACCOUNT)
account = parv[7];
+ if (userModeList[i].flag == FLAG_SETHOST)
+ hostmask = parv[parc - 4];
break;
}
}
cli_serv(sptr)->ghost = 0; /* :server NICK means end of net.burst */
ircd_strncpy(cli_username(new_client), parv[4], USERLEN);
- ircd_strncpy(cli_user(new_client)->username, parv[4], USERLEN);
+ ircd_strncpy(cli_user(new_client)->realusername, parv[4], USERLEN);
ircd_strncpy(cli_user(new_client)->host, parv[5], HOSTLEN);
ircd_strncpy(cli_user(new_client)->realhost, parv[5], HOSTLEN);
ircd_strncpy(cli_info(new_client), parv[parc - 1], REALLEN);
if (HasHiddenHost(new_client))
ircd_snprintf(0, cli_user(new_client)->host, HOSTLEN, "%s.%s",
account, feature_str(FEAT_HIDDEN_HOST));
+ if (HasSetHost(new_client)) {
+ if ((host = strrchr(hostmask, '@')) != NULL) {
+ *host++ = '\0';
+ ircd_strncpy(cli_username(new_client), hostmask, USERLEN);
+ ircd_strncpy(cli_user(new_client)->host, host, HOSTLEN);
+ }
+ }
return register_user(cptr, new_client);
}
if (MyUser(sptr)) {
const char* channel_name;
struct Membership *member;
- if ((channel_name = find_no_nickchange_channel(sptr))) {
+ if ((channel_name = find_no_nickchange_channel(sptr)) && !IsXtraOp(sptr)) {
return send_reply(cptr, ERR_BANNICKCHANGE, channel_name);
}
/*
if (IsChannelName(name) && IsInvited(sptr, target))
return 0;
+ /* opers always have a free target */
+ if (IsAnOper(sptr))
+ return 0;
+
/*
* Same target as last time?
*/
{
if ((acptr = LocalClientArray[i]) && IsServer(acptr) &&
(acptr != cptr) && (acptr != sptr) && *umodeBuf)
- sendcmdto_one(sptr, CMD_MODE, acptr, "%s :%s", cli_name(sptr), umodeBuf);
+ sendcmdto_one(sptr, CMD_MODE, acptr, "%s %s", cli_name(sptr), umodeBuf);
}
if (cptr && MyUser(cptr))
send_umode(cptr, sptr, old, ALL_UMODES);
/* Local users cannot set +x unless FEAT_HOST_HIDING is true. */
if (MyConnect(cptr) && !feature_bool(FEAT_HOST_HIDING))
return 0;
+ /* If the user is +h, we don't hide the hostmask. Set the flag to keep sync though */
+ if (HasSetHost(cptr)) {
+ SetFlag(cptr, flag);
+ return 0;
+ }
break;
case FLAG_ACCOUNT:
/* Invalidate all bans against the user so we check them again */
return 0;
}
+/*
+ * set_hostmask() - derived from hide_hostmask()
+ *
+ */
+int set_hostmask(struct Client *cptr, char *hostmask, char *password)
+{
+ int restore = 0;
+ int freeform = 0;
+ char *host, *new_vhost, *vhost_pass;
+ char hiddenhost[USERLEN + HOSTLEN + 2];
+ struct Membership *chan;
+
+ Debug((DEBUG_INFO, "set_hostmask() %C, %s, %s", cptr, hostmask, password));
+
+ /* sethost enabled? */
+ if (MyConnect(cptr) && !feature_bool(FEAT_SETHOST)) {
+ send_reply(cptr, ERR_DISABLED, "SETHOST");
+ return 0;
+ }
+
+ /* sethost enabled for users? */
+ if (MyConnect(cptr) && !IsAnOper(cptr) && !feature_bool(FEAT_SETHOST_USER)) {
+ send_reply(cptr, ERR_NOPRIVILEGES);
+ return 0;
+ }
+
+ /* MODE_DEL: restore original hostmask */
+ if (EmptyString(hostmask)) {
+ /* is already sethost'ed? */
+ if (IsSetHost(cptr)) {
+ restore = 1;
+ sendcmdto_common_channels_butone(cptr, CMD_QUIT, cptr, ":Host change");
+ /* If they are +rx, we need to return to their +x host, not their "real" host */
+ if (HasHiddenHost(cptr))
+ ircd_snprintf(0, cli_user(cptr)->host, HOSTLEN, "%s.%s",
+ cli_user(cptr)->account, feature_str(FEAT_HIDDEN_HOST));
+ else
+ strncpy(cli_user(cptr)->host, cli_user(cptr)->realhost, HOSTLEN);
+ strncpy(cli_user(cptr)->username, cli_user(cptr)->realusername, USERLEN);
+ /* log it */
+ if (MyConnect(cptr))
+ log_write(LS_SETHOST, L_INFO, LOG_NOSNOTICE,
+ "SETHOST (%s@%s) by (%#R): restoring real hostmask",
+ cli_user(cptr)->username, cli_user(cptr)->host, cptr);
+ } else
+ return 0;
+ /* MODE_ADD: set a new hostmask */
+ } else {
+ /* chop up ident and host.cc */
+ if ((host = strrchr(hostmask, '@'))) /* oper can specifiy ident@host.cc */
+ *host++ = '\0';
+ else /* user can only specifiy host.cc [password] */
+ host = hostmask;
+ /*
+ * Oper sethost
+ */
+ if (MyConnect(cptr)) {
+ if (IsAnOper(cptr)) {
+ if ((new_vhost = IsVhost(host, 1)) == NULL) {
+ if (!feature_bool(FEAT_SETHOST_FREEFORM)) {
+ send_reply(cptr, ERR_HOSTUNAVAIL, hostmask);
+ log_write(LS_SETHOST, L_INFO, LOG_NOSNOTICE,
+ "SETHOST (%s@%s) by (%#R): no such s-line",
+ (host != hostmask) ? hostmask : cli_user(cptr)->username, host, cptr);
+ return 0;
+ } else /* freeform active, log and go */
+ freeform = 1;
+ }
+ sendcmdto_common_channels_butone(cptr, CMD_QUIT, cptr, ":Host change");
+ /* set the new ident and host */
+ if (host != hostmask) /* oper only specified host.cc */
+ strncpy(cli_user(cptr)->username, hostmask, USERLEN);
+ strncpy(cli_user(cptr)->host, host, HOSTLEN);
+ /* log it */
+ log_write(LS_SETHOST, (freeform) ? L_NOTICE : L_INFO,
+ (freeform) ? 0 : LOG_NOSNOTICE, "SETHOST (%s@%s) by (%#R)%s",
+ cli_user(cptr)->username, cli_user(cptr)->host, cptr,
+ (freeform) ? ": using freeform" : "");
+ /*
+ * plain user sethost, handled here
+ */
+ } else {
+ /* empty password? */
+ if (EmptyString(password)) {
+ send_reply(cptr, ERR_NEEDMOREPARAMS, "MODE");
+ return 0;
+ }
+ /* no such s-line */
+ if ((new_vhost = IsVhost(host, 0)) == NULL) {
+ send_reply(cptr, ERR_HOSTUNAVAIL, hostmask);
+ log_write(LS_SETHOST, L_INFO, LOG_NOSNOTICE, "SETHOST (%s@%s %s) by (%#R): no such s-line",
+ cli_user(cptr)->username, host, password, cptr);
+ return 0;
+ }
+ /* no password */
+ if ((vhost_pass = IsVhostPass(new_vhost)) == NULL) {
+ send_reply(cptr, ERR_PASSWDMISMATCH);
+ log_write(LS_SETHOST, L_INFO, 0, "SETHOST (%s@%s %s) by (%#R): trying to use an oper s-line",
+ cli_user(cptr)->username, host, password, cptr);
+ return 0;
+ }
+ /* incorrect password */
+ if (strCasediff(vhost_pass, password)) {
+ send_reply(cptr, ERR_PASSWDMISMATCH);
+ log_write(LS_SETHOST, L_NOTICE, 0, "SETHOST (%s@%s %s) by (%#R): incorrect password",
+ cli_user(cptr)->username, host, password, cptr);
+ return 0;
+ }
+ sendcmdto_common_channels_butone(cptr, CMD_QUIT, cptr, ":Host change");
+ /* set the new host */
+ strncpy(cli_user(cptr)->host, new_vhost, HOSTLEN);
+ /* log it */
+ log_write(LS_SETHOST, L_INFO, LOG_NOSNOTICE, "SETHOST (%s@%s) by (%#R)",
+ cli_user(cptr)->username, cli_user(cptr)->host, cptr);
+ }
+ } else { /* remote user */
+ sendcmdto_common_channels_butone(cptr, CMD_QUIT, cptr, ":Host change");
+ if (host != hostmask) /* oper only specified host.cc */
+ strncpy(cli_user(cptr)->username, hostmask, USERLEN);
+ strncpy(cli_user(cptr)->host, host, HOSTLEN);
+ }
+ }
+
+ if (restore)
+ ClearSetHost(cptr);
+ else
+ SetSetHost(cptr);
+
+ if (MyConnect(cptr)) {
+ ircd_snprintf(0, hiddenhost, HOSTLEN + USERLEN + 2, "%s@%s",
+ cli_user(cptr)->username, cli_user(cptr)->host);
+ send_reply(cptr, RPL_HOSTHIDDEN, hiddenhost);
+ }
+
+#if 0
+ /* Code copied from hide_hostmask(). This is the old (pre-delayedjoin)
+ * version. Switch this in if you're not using the delayed join patch. */
+ /*
+ * Go through all channels the client was on, rejoin him
+ * and set the modes, if any
+ */
+ for (chan = cli_user(cptr)->channel; chan; chan = chan->next_channel) {
+ if (IsZombie(chan))
+ continue;
+ sendcmdto_channel_butserv_butone(cptr, CMD_JOIN, chan->channel, cptr,
+ "%H", chan->channel);
+ if (IsChanOp(chan) && HasVoice(chan)) {
+ sendcmdto_channel_butserv_butone(&me, CMD_MODE, chan->channel, cptr,
+ "%H +ov %C %C", chan->channel, cptr, cptr);
+ } else if (IsChanOp(chan) || HasVoice(chan)) {
+ sendcmdto_channel_butserv_butone(&me, CMD_MODE, chan->channel, cptr,
+ "%H +%c %C", chan->channel, IsChanOp(chan) ? 'o' : 'v', cptr);
+ }
+ }
+#endif
+
+ /*
+ * Go through all channels the client was on, rejoin him
+ * and set the modes, if any
+ */
+ for (chan = cli_user(cptr)->channel; chan; chan = chan->next_channel) {
+ if (IsZombie(chan))
+ continue;
+ /* If this channel has delayed joins and the user has no modes, just set
+ * the delayed join flag rather than showing the join, even if the user
+ * was visible before */
+ if (!IsChanOp(chan) && !HasVoice(chan)
+ && (chan->channel->mode.mode & MODE_DELJOINS)) {
+ SetDelayedJoin(chan);
+ } else {
+ sendcmdto_channel_butserv_butone(cptr, CMD_JOIN, chan->channel, cptr, 0,
+ "%H", chan->channel);
+ }
+ if (IsChanOp(chan) && HasVoice(chan)) {
+ sendcmdto_channel_butserv_butone(&me, CMD_MODE, chan->channel, cptr, 0,
+ "%H +ov %C %C", chan->channel, cptr, cptr);
+ } else if (IsChanOp(chan) || HasVoice(chan)) {
+ sendcmdto_channel_butserv_butone(&me, CMD_MODE, chan->channel, cptr, 0,
+ "%H +%c %C", chan->channel, IsChanOp(chan) ? 'o' : 'v', cptr);
+ }
+ }
+ return 1;
+}
+
/** Set a user's mode. This function checks that \a cptr is trying to
* set his own mode, prevents local users from setting inappropriate
* modes through this function, and applies any other side effects of
unsigned int tmpmask = 0;
int snomask_given = 0;
char buf[BUFSIZE];
+ char *hostmask, *password;
int prop = 0;
int do_host_hiding = 0;
+ int do_set_host = 0;
+ hostmask = password = NULL;
what = MODE_ADD;
if (parc < 2)
for (i = 0; i < USERMODELIST_SIZE; i++)
{
if (HasFlag(sptr, userModeList[i].flag) &&
- userModeList[i].flag != FLAG_ACCOUNT)
+ ((userModeList[i].flag != FLAG_ACCOUNT) &&
+ (userModeList[i].flag != FLAG_SETHOST)))
*m++ = userModeList[i].c;
}
*m = '\0';
if (what == MODE_ADD)
SetInvisible(sptr);
else
- ClearInvisible(sptr);
+ if (!feature_bool(FEAT_AUTOINVISIBLE) || IsOper(sptr)) /* Don't allow non-opers to -i if FEAT_AUTOINVISIBLE is set */
+ ClearInvisible(sptr);
break;
case 'd':
if (what == MODE_ADD)
else
ClearChannelService(sptr);
break;
+ case 'X':
+ if (what == MODE_ADD)
+ SetXtraOp(sptr);
+ else
+ ClearXtraOp(sptr);
+ break;
+ case 'n':
+ if (what == MODE_ADD)
+ SetNoChan(sptr);
+ else
+ ClearNoChan(sptr);
+ break;
+ case 'I':
+ if (what == MODE_ADD)
+ SetNoIdle(sptr);
+ else
+ ClearNoIdle(sptr);
+ break;
case 'g':
if (what == MODE_ADD)
SetDebug(sptr);
break;
case 'x':
if (what == MODE_ADD)
- do_host_hiding = 1;
+ do_host_hiding = 1;
+ break;
+ case 'h':
+ if (what == MODE_ADD) {
+ if (*(p + 1) && is_hostmask(*(p + 1))) {
+ do_set_host = 1;
+ hostmask = *++p;
+ /* DON'T step p onto the trailing NULL in the parameter array! - splidge */
+ if (*(p+1))
+ password = *++p;
+ else
+ password = NULL;
+ } else {
+ if (!*(p+1))
+ send_reply(sptr, ERR_NEEDMOREPARAMS, "SETHOST");
+ else {
+ send_reply(sptr, ERR_BADHOSTMASK, *(p+1));
+ p++; /* Swallow the arg anyway */
+ }
+ }
+ } else { /* MODE_DEL */
+ do_set_host = 1;
+ hostmask = NULL;
+ password = NULL;
+ }
+ break;
+ case 'R':
+ if (what == MODE_ADD)
+ SetAccountOnly(sptr);
+ else
+ ClearAccountOnly(sptr);
+ break;
+ case 'P':
+ if (what == MODE_ADD)
+ SetParanoid(sptr);
+ else
+ ClearParanoid(sptr);
break;
default:
send_reply(sptr, ERR_UMODEUNKNOWNFLAG, *m);
* new umode; servers can set it, local users cannot;
* prevents users from /kick'ing or /mode -o'ing
*/
- if (!FlagHas(&setflags, FLAG_CHSERV))
+ if (!FlagHas(&setflags, FLAG_CHSERV) && !IsOper(sptr))
ClearChannelService(sptr);
+ if (!FlagHas(&setflags, FLAG_XTRAOP) && !IsOper(sptr))
+ ClearXtraOp(sptr);
+ if (!FlagHas(&setflags, FLAG_NOCHAN) && !(IsOper(sptr) || feature_bool(FEAT_USER_HIDECHANS)))
+ ClearNoChan(sptr);
+ if (!FlagHas(&setflags, FLAG_NOIDLE) && !IsOper(sptr))
+ ClearNoIdle(sptr);
+ if (!FlagHas(&setflags, FLAG_PARANOID) && !IsOper(sptr))
+ ClearParanoid(sptr);
+
/*
* only send wallops to opers
*/
++UserStats.inv_clients;
if (!FlagHas(&setflags, FLAG_HIDDENHOST) && do_host_hiding)
hide_hostmask(sptr, FLAG_HIDDENHOST);
+ if (do_set_host) {
+ /* We clear the flag in the old mask, so that the +h will be sent */
+ /* Only do this if we're SETTING +h and it succeeded */
+ if (set_hostmask(sptr, hostmask, password) && hostmask)
+ FlagClr(&setflags, FLAG_SETHOST);
+ }
send_umode_out(cptr, sptr, &setflags, prop);
return 0;
while ((*m++ = *t++))
; /* Empty loop */
}
+ m--; /* Step back over the '\0' */
}
- *m = '\0';
-
+ if (IsSetHost(cptr)) {
+ *m++ = ' ';
+ ircd_snprintf(0, m, USERLEN + HOSTLEN + 2, "%s@%s", cli_user(cptr)->username,
+ cli_user(cptr)->host);
+ } else
+ *m = '\0';
return umodeBuf; /* Note: static buffer, gets
overwritten by send_umode() */
}
{
int i;
int flag;
+ int needhost = 0;
char *m;
int what = MODE_NULL;
continue;
break;
}
+ /* Special case for SETHOST.. */
+ if (flag == FLAG_SETHOST) {
+ /* Don't send to users */
+ if (cptr && MyUser(cptr))
+ continue;
+
+ /* If we're setting +h, add the parameter later */
+ if (!FlagHas(old, flag))
+ needhost++;
+ }
if (FlagHas(old, flag))
{
if (what == MODE_DEL)
}
}
}
- *m = '\0';
+ if (needhost) {
+ *m++ = ' ';
+ ircd_snprintf(0, m, USERLEN + HOSTLEN + 1, "%s@%s", cli_user(sptr)->username,
+ cli_user(sptr)->host);
+ } else
+ *m = '\0';
if (*umodeBuf && cptr)
- sendcmdto_one(sptr, CMD_MODE, cptr, "%s :%s", cli_name(sptr), umodeBuf);
+ sendcmdto_one(sptr, CMD_MODE, cptr, "%s %s", cli_name(sptr), umodeBuf);
}
/**
return 0;
}
+ /*
+ * Check to see if it resembles a valid hostmask.
+ */
+int is_hostmask(char *word)
+{
+ int i = 0;
+ char *host;
+
+ Debug((DEBUG_INFO, "is_hostmask() %s", word));
+
+ if (strlen(word) > (HOSTLEN + USERLEN + 1) || strlen(word) <= 0)
+ return 0;
+
+ /* if a host is specified, make sure it's valid */
+ host = strrchr(word, '@');
+ if (host) {
+ if (strlen(++host) < 1)
+ return 0;
+ if (strlen(host) > HOSTLEN)
+ return 0;
+ }
+
+ if (word) {
+ if ('@' == *word) /* no leading @'s */
+ return 0;
+
+ if ('#' == *word) { /* numeric index given? */
+ for (word++; *word; word++) {
+ if (!IsDigit(*word))
+ return 0;
+ }
+ return 1;
+ }
+
+ /* normal hostmask, account for at most one '@' */
+ for (; *word; word++) {
+ if ('@' == *word) {
+ i++;
+ continue;
+ }
+ if (!IsHostChar(*word))
+ return 0;
+ }
+ return (1 < i) ? 0 : 1; /* no more than on '@' */
+ }
+ return 0;
+}
+
+ /*
+ * IsVhost() - Check if given host is a valid spoofhost
+ * (ie: configured thru a S:line)
+ */
+static char *IsVhost(char *hostmask, int oper)
+{
+ unsigned int i = 0, y = 0;
+ struct sline *sconf;
+
+ Debug((DEBUG_INFO, "IsVhost() %s", hostmask));
+
+ if (EmptyString(hostmask))
+ return NULL;
+
+ /* spoofhost specified as index, ie: #27 */
+ if ('#' == hostmask[0]) {
+ y = atoi(hostmask + 1);
+ for (i = 0, sconf = GlobalSList; sconf; sconf = sconf->next) {
+ if (!oper && EmptyString(sconf->passwd))
+ continue;
+ if (y == ++i)
+ return sconf->spoofhost;
+ }
+ return NULL;
+ }
+
+ /* spoofhost specified as host, ie: host.cc */
+ for (sconf = GlobalSList; sconf; sconf = sconf->next)
+ if (strCasediff(hostmask, sconf->spoofhost) == 0)
+ return sconf->spoofhost;
+
+ return NULL;
+}
+
+ /*
+ * IsVhostPass() - Check if given spoofhost has a password
+ * associated with it, and if, return the password (cleartext)
+ */
+static char *IsVhostPass(char *hostmask)
+{
+ struct sline *sconf;
+
+ Debug((DEBUG_INFO, "IsVhostPass() %s", hostmask));
+
+ if (EmptyString(hostmask))
+ return NULL;
+
+ for (sconf = GlobalSList; sconf; sconf = sconf->next)
+ if (strCasediff(hostmask, sconf->spoofhost) == 0) {
+ Debug((DEBUG_INFO, "sconf->passwd %s", sconf->passwd));
+ return EmptyString(sconf->passwd) ? NULL : sconf->passwd;
+ }
+
+ return NULL;
+}
+
/** Update snomask \a oldmask according to \a arg and \a what.
* @param[in] oldmask Original user mask.
* @param[in] arg Update string (either a number or '+'/'-' followed by a number).
projects / irc / quakenet / snircd.git / blobdiff