#include "channel.h"
#include "class.h"
#include "client.h"
-#include "common.h"
#include "hash.h"
#include "match.h"
#include "ircd.h"
#include "hook.h"
#include "monitor.h"
#include "snomask.h"
-#include "blacklist.h"
#include "substitution.h"
#include "chmode.h"
#include "s_assert.h"
* output -
* side effects - display to client user counts etc.
*/
-int
+void
show_lusers(struct Client *source_p)
{
if(rb_dlink_list_length(&lclient_list) > (unsigned long)MaxClientCount)
form_str(RPL_STATSCONN),
MaxConnectionCount, MaxClientCount,
Count.totalrestartcount);
+}
- return 0;
+/* check if we should exit a client due to authd decision
+ * inputs - client server, client connecting
+ * outputs - true if exited, false if not
+ * side effects - messages/exits client if authd rejected and not exempt
+ */
+static bool
+authd_check(struct Client *client_p, struct Client *source_p)
+{
+ struct ConfItem *aconf = source_p->localClient->att_conf;
+ rb_dlink_list varlist = { NULL, NULL, 0 };
+ bool reject = false;
+ char *reason;
+
+ if(source_p->preClient->auth.accepted == true)
+ return reject;
+
+ substitution_append_var(&varlist, "nick", source_p->name);
+ substitution_append_var(&varlist, "ip", source_p->sockhost);
+ substitution_append_var(&varlist, "host", source_p->host);
+ substitution_append_var(&varlist, "dnsbl-host", source_p->preClient->auth.data);
+ substitution_append_var(&varlist, "network-name", ServerInfo.network_name);
+ reason = substitution_parse(source_p->preClient->auth.reason, &varlist);
+
+ switch(source_p->preClient->auth.cause)
+ {
+ case 'B': /* Blacklists */
+ {
+ struct BlacklistStats *stats;
+ char *blacklist = source_p->preClient->auth.data;
+
+ if(bl_stats != NULL)
+ if((stats = rb_dictionary_retrieve(bl_stats, blacklist)) != NULL)
+ stats->hits++;
+
+ if(IsExemptKline(source_p) || IsConfExemptDNSBL(aconf))
+ {
+ sendto_one_notice(source_p, ":*** Your IP address %s is listed in %s, but you are exempt",
+ source_p->sockhost, blacklist);
+ break;
+ }
+
+ sendto_realops_snomask(SNO_REJ, L_NETWIDE,
+ "Listed on DNSBL %s: %s (%s@%s) [%s] [%s]",
+ blacklist, source_p->name, source_p->username, source_p->host,
+ IsIPSpoof(source_p) ? "255.255.255.255" : source_p->sockhost,
+ source_p->info);
+
+ sendto_one(source_p, form_str(ERR_YOUREBANNEDCREEP),
+ me.name, source_p->name, reason);
+
+ sendto_one_notice(source_p, ":*** Your IP address %s is listed in %s",
+ source_p->sockhost, blacklist);
+ add_reject(source_p, NULL, NULL);
+ exit_client(client_p, source_p, &me, "Banned (DNS blacklist)");
+ reject = true;
+ }
+ break;
+ case 'O': /* OPM */
+ {
+ char *proxy = source_p->preClient->auth.data;
+ char *port = strrchr(proxy, ':');
+
+ if(port == NULL)
+ {
+ /* This shouldn't happen, better tell the ops... */
+ ierror("authd sent us a malformed OPM string %s", proxy);
+ sendto_realops_snomask(SNO_GENERAL, L_ALL,
+ "authd sent us a malformed OPM string %s", proxy);
+ break;
+ }
+
+ /* Terminate the proxy type */
+ *(port++) = '\0';
+
+ if(IsExemptKline(source_p) || IsConfExemptProxy(aconf))
+ {
+ sendto_one_notice(source_p,
+ ":*** Your IP address %s has been detected as an open proxy (type %s, port %s), but you are exempt",
+ source_p->sockhost, proxy, port);
+ break;
+ }
+ sendto_realops_snomask(SNO_REJ, L_NETWIDE,
+ "Open proxy %s/%s: %s (%s@%s) [%s] [%s]",
+ proxy, port,
+ source_p->name,
+ source_p->username, source_p->host,
+ IsIPSpoof(source_p) ? "255.255.255.255" : source_p->sockhost,
+ source_p->info);
+
+ sendto_one(source_p, form_str(ERR_YOUREBANNEDCREEP),
+ me.name, source_p->name, reason);
+
+ sendto_one_notice(source_p,
+ ":*** Your IP address %s has been detected as an open proxy (type %s, port %s)",
+ source_p->sockhost, proxy, port);
+ add_reject(source_p, NULL, NULL);
+ exit_client(client_p, source_p, &me, "Banned (Open proxy)");
+ reject = true;
+ }
+ break;
+ default: /* Unknown, but handle the case properly */
+ if(IsExemptKline(source_p))
+ {
+ sendto_one_notice(source_p,
+ ":*** You were rejected, but you are exempt (reason: %s)",
+ reason);
+ break;
+ }
+ sendto_realops_snomask(SNO_REJ, L_NETWIDE,
+ "Rejected by authentication system (reason %s): %s (%s@%s) [%s] [%s]",
+ reason, source_p->name, source_p->username, source_p->host,
+ IsIPSpoof(source_p) ? "255.255.255.255" : source_p->sockhost,
+ source_p->info);
+
+ sendto_one(source_p, form_str(ERR_YOUREBANNEDCREEP),
+ me.name, source_p->name, reason);
+
+ sendto_one_notice(source_p, ":*** Rejected by authentication system: %s",
+ reason);
+ add_reject(source_p, NULL, NULL);
+ exit_client(client_p, source_p, &me, "Banned (authentication system)");
+ reject = true;
+ break;
+ }
+
+ if(reject)
+ ServerStats.is_ref++;
+
+ substitution_free(&varlist);
+
+ return reject;
}
/*
** this is not fair. It should actually request another
** nick from local user or kill him/her...
*/
-
int
register_local_user(struct Client *client_p, struct Client *source_p)
{
struct ConfItem *aconf, *xconf;
struct User *user = source_p->user;
- char tmpstr2[IRCD_BUFSIZE];
+ char tmpstr2[BUFSIZE];
char ipaddr[HOSTIPLEN];
char myusername[USERLEN+1];
int status;
{
if(!(source_p->flags & FLAGS_PINGSENT) && source_p->localClient->random_ping == 0)
{
- source_p->localClient->random_ping = (unsigned long) (rand() * rand()) << 1;
- sendto_one(source_p, "PING :%08lX",
- (unsigned long) source_p->localClient->random_ping);
+ source_p->localClient->random_ping = (uint32_t)(((rand() * rand()) << 1) | 1);
+ sendto_one(source_p, "PING :%08X",
+ (unsigned int) source_p->localClient->random_ping);
source_p->flags |= FLAGS_PINGSENT;
return -1;
}
if(source_p->flags & FLAGS_CLICAP)
return -1;
- /* still has DNSbls to validate against */
- if(rb_dlink_list_length(&source_p->preClient->dnsbl_queries) > 0)
+ /* Waiting on authd */
+ if(source_p->preClient->auth.cid)
return -1;
client_p->localClient->last = rb_current_time();
rb_strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
}
-
aconf = source_p->localClient->att_conf;
if(aconf == NULL)
}
}
- /* report if user has &^>= etc. and set flags as needed in source_p */
+ /* report and set flags (kline exempt etc.) as needed in source_p */
report_and_set_user_flags(source_p, aconf);
/* Limit clients */
return CLIENT_EXITED;
}
- /* dnsbl check */
- if (source_p->preClient->dnsbl_listed != NULL)
- {
- if (IsExemptKline(source_p) || IsConfExemptDNSBL(aconf))
- sendto_one_notice(source_p, ":*** Your IP address %s is listed in %s, but you are exempt",
- source_p->sockhost, source_p->preClient->dnsbl_listed->host);
- else
- {
- sendto_realops_snomask(SNO_REJ, L_NETWIDE,
- "Listed on DNSBL %s: %s (%s@%s) [%s] [%s]",
- source_p->preClient->dnsbl_listed->host,
- source_p->name,
- source_p->username, source_p->host,
- IsIPSpoof(source_p) ? "255.255.255.255" : source_p->sockhost,
- source_p->info);
-
- rb_dlink_list varlist = { NULL, NULL, 0 };
-
- substitution_append_var(&varlist, "nick", source_p->name);
- substitution_append_var(&varlist, "ip", source_p->sockhost);
- substitution_append_var(&varlist, "host", source_p->host);
- substitution_append_var(&varlist, "dnsbl-host", source_p->preClient->dnsbl_listed->host);
- substitution_append_var(&varlist, "network-name", ServerInfo.network_name);
-
- ServerStats.is_ref++;
-
- sendto_one(source_p, form_str(ERR_YOUREBANNEDCREEP),
- me.name, source_p->name,
- substitution_parse(source_p->preClient->dnsbl_listed->reject_reason, &varlist));
-
- substitution_free(&varlist);
-
- sendto_one_notice(source_p, ":*** Your IP address %s is listed in %s",
- source_p->sockhost, source_p->preClient->dnsbl_listed->host);
- source_p->preClient->dnsbl_listed->hits++;
- add_reject(source_p, NULL, NULL);
- exit_client(client_p, source_p, &me, "*** Banned (DNS blacklist)");
- return CLIENT_EXITED;
- }
- }
+ /* authd rejection check */
+ if(authd_check(client_p, source_p))
+ return CLIENT_EXITED;
/* valid user name check */
*/
if(!*source_p->id)
{
- strcpy(source_p->id, generate_uid());
+ rb_strlcpy(source_p->id, generate_uid(), sizeof(source_p->id));
add_to_id_hash(source_p->id, source_p);
}
free_pre_client(source_p);
- return (introduce_client(client_p, source_p, user, source_p->name, 1));
+ introduce_client(client_p, source_p, user, source_p->name, 1);
+ return 0;
}
/*
* of the net, either from a local client connect or
* from a remote connect.
*/
-int
+void
introduce_client(struct Client *client_p, struct Client *source_p, struct User *user, const char *nick, int use_euid)
{
char ubuf[BUFSIZE];
hdata2.client = client_p;
hdata2.target = source_p;
call_hook(h_introduce_client, &hdata2);
-
- return 0;
}
/*
* valid_hostname - check hostname for validity
*
* Inputs - pointer to user
- * Output - YES if valid, NO if not
+ * Output - true if valid, false if not
* Side effects - NONE
*
* NOTE: this doesn't allow a hostname to begin with a dot and
* will not allow more dots than chars.
*/
-int
+bool
valid_hostname(const char *hostname)
{
const char *p = hostname, *last_slash = 0;
s_assert(NULL != p);
if(hostname == NULL)
- return NO;
+ return false;
if(!strcmp(hostname, "localhost"))
- return YES;
+ return true;
if('.' == *p || ':' == *p || '/' == *p)
- return NO;
+ return false;
while (*p)
{
if(!IsHostChar(*p))
- return NO;
+ return false;
if(*p == '.' || *p == ':')
found_sep++;
else if(*p == '/')
}
if(found_sep == 0)
- return NO;
+ return false;
if(last_slash && IsDigit(last_slash[1]))
- return NO;
+ return false;
- return YES;
+ return true;
}
/*
* valid_username - check username for validity
*
* Inputs - pointer to user
- * Output - YES if valid, NO if not
+ * Output - true if valid, false if not
* Side effects - NONE
*
* Absolutely always reject any '*' '!' '?' '@' in an user name
* Allow '.' in username to allow for "first.last"
* style of username
*/
-int
+bool
valid_username(const char *username)
{
int dots = 0;
s_assert(NULL != p);
if(username == NULL)
- return NO;
+ return false;
if('~' == *p)
++p;
* or "-hi-@somehost", "h-----@somehost" would still be accepted.
*/
if(!IsAlNum(*p))
- return NO;
+ return false;
while (*++p)
{
{
dots++;
if(dots > ConfigFileEntry.dots_in_ident)
- return NO;
+ return false;
if(!IsUserChar(p[1]))
- return NO;
+ return false;
}
else if(!IsUserChar(*p))
- return NO;
+ return false;
}
- return YES;
+ return true;
}
/* report_and_set_user_flags
const char *pm;
struct Client *target_p;
int what, setflags;
- int badflag = NO; /* Only send one bad flag notice */
- int showsnomask = NO;
+ bool badflag = false; /* Only send one bad flag notice */
+ bool showsnomask = false;
unsigned int setsnomask;
char buf[BUFSIZE];
hook_data_umode_changed hdata;
if (!(source_p->umodes & UMODE_SERVNOTICE) && source_p->snomask != 0)
{
source_p->snomask = 0;
- showsnomask = YES;
+ showsnomask = true;
}
- source_p->flags2 &= ~OPER_FLAGS;
+ source_p->flags &= ~OPER_FLAGS;
rb_free(source_p->localClient->opername);
source_p->localClient->opername = NULL;
&& (ConfigFileEntry.oper_only_umodes & UMODE_SERVNOTICE))
{
if (what == MODE_ADD || source_p->umodes & UMODE_SERVNOTICE)
- badflag = YES;
+ badflag = true;
continue;
}
- showsnomask = YES;
+ showsnomask = true;
if(what == MODE_ADD)
{
if (parc > 3)
default:
if (MyConnect(source_p) && *pm == 'Q' && !ConfigChannel.use_forward)
{
- badflag = YES;
+ badflag = true;
break;
}
|| (orphaned_umodes & flag)))
{
if (what == MODE_ADD || source_p->umodes & flag)
- badflag = YES;
+ badflag = true;
}
else
{
else
{
if(MyConnect(source_p))
- badflag = YES;
+ badflag = true;
}
break;
}
* output - none
* side effects - opers up source_p using aconf for reference
*/
-int
+void
oper_up(struct Client *source_p, struct oper_conf *oper_p)
{
unsigned int old = source_p->umodes, oldsnomask = source_p->snomask;
SetExtendChans(source_p);
SetExemptKline(source_p);
- source_p->flags2 |= oper_p->flags;
+ source_p->flags |= oper_p->flags;
source_p->localClient->opername = rb_strdup(oper_p->name);
source_p->localClient->privset = privilegeset_ref(oper_p->privset);
sendto_one_notice(source_p, ":*** Oper privilege set is %s", oper_p->privset->name);
sendto_one_notice(source_p, ":*** Oper privs are %s", oper_p->privset->privs);
send_oper_motd(source_p);
-
- return (1);
}
/*
target_p->info);
if(*mode)
- sendto_channel_local_butone(target_p, ALL_MEMBERS, chptr,
- ":%s MODE %s +%s %s",
- target_p->servptr->name,
- chptr->chname, mode, modeval);
+ sendto_channel_local_with_capability_butone(target_p, ALL_MEMBERS, NOCAPS, CLICAP_CHGHOST, chptr,
+ ":%s MODE %s +%s %s", target_p->servptr->name, chptr->chname, mode, modeval);
*modeval = '\0';
}
projects / solanum.git / blobdiff