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Remote d:lines implementation (based on ircd-seven's r230 by spb, Stephen Bennett <spb@attenuate.org>)

This commit is contained in:
Valery Yatsko 2008-04-20 11:26:37 +04:00
parent 443acdf4e0
commit 45be325cd2
4 changed files with 187 additions and 96 deletions
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6
include/s_newconf.h
View File

@ -95,10 +95,14 @@ struct remote_conf
#define SHARED_PRESV 0x0100
#define SHARED_UNRESV 0x0200
#define SHARED_REHASH 0x0400
#define SHARED_TDLINE 0x0800
#define SHARED_PDLINE 0x1000
#define SHARED_UNDLINE 0x2000
#define SHARED_ALL (SHARED_TKLINE | SHARED_PKLINE | SHARED_UNKLINE |\
SHARED_PXLINE | SHARED_TXLINE | SHARED_UNXLINE |\
SHARED_TRESV | SHARED_PRESV | SHARED_UNRESV)
SHARED_TRESV | SHARED_PRESV | SHARED_UNRESV |\
SHARED_TDLINE | SHARED_PDLINE | SHARED_UNDLINE)
#define CLUSTER_ALL (SHARED_ALL | SHARED_LOCOPS)
/* flags used in hub/leaf */

270
modules/m_dline.c
View File

@ -44,15 +44,17 @@
#include "modules.h"
static int mo_dline(struct Client *, struct Client *, int, const char **);
static int me_dline(struct Client *, struct Client *, int, const char **);
static int mo_undline(struct Client *, struct Client *, int, const char **);
static int me_undline(struct Client *, struct Client *, int, const char **);
struct Message dline_msgtab = {
"DLINE", 0, 0, 0, MFLG_SLOW,
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_dline, 2}}
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_dline, 3}, {mo_dline, 2}}
};
struct Message undline_msgtab = {
"UNDLINE", 0, 0, 0, MFLG_SLOW,
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_undline, 2}}
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_undline, 1}, {mo_undline, 2}}
};
mapi_clist_av1 dline_clist[] = { &dline_msgtab, &undline_msgtab, NULL };
@ -61,6 +63,8 @@ DECLARE_MODULE_AV1(dline, NULL, NULL, dline_clist, NULL, NULL, "$Revision: 3225
static int valid_comment(char *comment);
static int flush_write(struct Client *, FILE *, char *, char *);
static int remove_temp_dline(struct ConfItem *);
static int apply_dline(struct Client *, const char *, int, char *);
static int apply_undline(struct Client *, const char *);
/* mo_dline()
*
@ -73,15 +77,10 @@ mo_dline(struct Client *client_p, struct Client *source_p,
{
char def[] = "No Reason";
const char *dlhost;
char *oper_reason;
char *reason = def;
struct rb_sockaddr_storage daddr;
char cidr_form_host[HOSTLEN + 1];
struct ConfItem *aconf;
int bits;
char dlbuffer[IRCD_BUFSIZE];
const char *current_date;
int tdline_time = 0;
const char *target_server = NULL;
int loc = 1;
if(!IsOperK(source_p))
@ -94,29 +93,157 @@ mo_dline(struct Client *client_p, struct Client *source_p,
if((tdline_time = valid_temp_time(parv[loc])) >= 0)
loc++;
if(parc < loc + 1)
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
me.name, source_p->name, "DLINE");
return 0;
}
dlhost = parv[loc];
rb_strlcpy(cidr_form_host, dlhost, sizeof(cidr_form_host));
if(!parse_netmask(dlhost, NULL, &bits))
loc++;
if(parc >= loc+2 && !irccmp(parv[loc], "ON"))
{
target_server = parv[loc+1];
loc += 2;
}
if(parc >= loc + 1 && !EmptyString(parv[loc]))
reason = LOCAL_COPY(parv[loc]);
if(target_server != NULL)
{
sendto_match_servs(source_p, target_server,
CAP_ENCAP, NOCAPS,
"ENCAP %s DLINE %d %s :%s",
target_server, tdline_time, dlhost, reason);
if(!match(target_server, me.name))
return 0;
}
apply_dline(source_p, dlhost, tdline_time, reason);
check_dlines();
return 0;
}
/* mo_undline()
*
* parv[1] = dline to remove
*/
static int
mo_undline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
const char *cidr;
const char *target_server = NULL;
if(!IsOperK(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "unkline");
return 0;
}
cidr = parv[1];
if(parc >= 4 && !irccmp(parv[2], "ON"))
{
target_server = parv[3];
sendto_match_servs(source_p, target_server,
CAP_ENCAP, NOCAPS,
"ENCAP %s UNDLINE %s",
target_server, cidr);
if(!match(target_server, me.name))
return 0;
}
apply_undline(source_p, cidr);
return 0;
}
static int
me_dline(struct Client *client_p, struct Client *source_p, int parc, const char **parv)
{
int tdline_time = atoi(parv[1]);
/* Since this is coming over a server link, assume that the originating
* server did the relevant permission/sanity checks...
*/
if(!IsPerson(source_p))
return 0;
if(!find_shared_conf(source_p->username, source_p->host,
source_p->servptr->name, tdline_time > 0 ? SHARED_TDLINE : SHARED_PDLINE))
{
sendto_realops_snomask(SNO_DEBUG, L_NETWIDE, "undline failed %s %s %s",
source_p->name, parv[1], parv[2]);
return 0;
}
apply_dline(source_p, parv[2], tdline_time, LOCAL_COPY(parv[3]));
check_dlines();
return 0;
}
static int
me_undline(struct Client *client_p, struct Client *source_p, int parc, const char **parv)
{
if(!IsPerson(source_p))
return 0;
if(!find_shared_conf(source_p->username, source_p->host,
source_p->servptr->name, SHARED_UNDLINE))
return 0;
apply_undline(source_p, parv[1]);
return 0;
}
static int
apply_dline(struct Client *source_p, const char *dlhost, int tdline_time, char *reason)
{
struct ConfItem *aconf;
char *oper_reason;
char dlbuffer[IRCD_BUFSIZE];
const char *current_date;
struct rb_sockaddr_storage daddr;
int t = AF_INET, ty, b;
const char *creason;
ty = parse_netmask(dlhost, (struct sockaddr *)&daddr, &b);
if(ty == HM_HOST)
{
sendto_one(source_p, ":%s NOTICE %s :Invalid D-Line",
me.name, source_p->name);
return 0;
}
#ifdef RB_IPV6
if(ty == HM_IPV6)
t = AF_INET6;
else
#endif
t = AF_INET;
loc++;
if(parc >= loc + 1) /* host :reason */
/* This means dlines wider than /16 cannot be set remotely */
if(IsOperAdmin(source_p))
{
if(!EmptyString(parv[loc]))
reason = LOCAL_COPY(parv[loc]);
if(b < 8)
{
sendto_one_notice(source_p,
":For safety, bitmasks less than 8 require conf access.");
return 0;
}
}
else
{
if(b < 16)
{
sendto_one_notice(source_p,
":Dline bitmasks less than 16 are for admins only.");
return 0;
}
}
if(!valid_comment(reason))
{
@ -125,41 +252,19 @@ mo_dline(struct Client *client_p, struct Client *source_p,
me.name, source_p->name);
return 0;
}
}
if(IsOperAdmin(source_p))
/* Look for an oper reason */
if((oper_reason = strchr(reason, '|')) != NULL)
{
if(bits < 8)
{
sendto_one(source_p,
":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
me.name, parv[0]);
return 0;
}
}
else
{
if(bits < 16)
{
sendto_one(source_p,
":%s NOTICE %s :Dline bitmasks less than 16 are for admins only.",
me.name, parv[0]);
return 0;
}
*oper_reason = '\0';
oper_reason++;
if(!EmptyString(oper_reason))
aconf->spasswd = rb_strdup(oper_reason);
}
if(ConfigFileEntry.non_redundant_klines)
{
const char *creason;
int t = AF_INET, ty, b;
ty = parse_netmask(dlhost, (struct sockaddr *)&daddr, &b);
#ifdef RB_IPV6
if(ty == HM_IPV6)
t = AF_INET6;
else
#endif
t = AF_INET;
if((aconf = find_dline((struct sockaddr *)&daddr, t)) != NULL)
{
int bx;
@ -170,11 +275,11 @@ mo_dline(struct Client *client_p, struct Client *source_p,
if(IsConfExemptKline(aconf))
sendto_one(source_p,
":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
me.name, parv[0], dlhost, aconf->host, creason);
me.name, source_p->name, dlhost, aconf->host, creason);
else
sendto_one(source_p,
":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
me.name, parv[0], dlhost, aconf->host, creason);
me.name, source_p->name, dlhost, aconf->host, creason);
return 0;
}
}
@ -187,16 +292,6 @@ mo_dline(struct Client *client_p, struct Client *source_p,
aconf->status = CONF_DLINE;
aconf->host = rb_strdup(dlhost);
/* Look for an oper reason */
if((oper_reason = strchr(reason, '|')) != NULL)
{
*oper_reason = '\0';
oper_reason++;
if(!EmptyString(oper_reason))
aconf->spasswd = rb_strdup(oper_reason);
}
if(tdline_time > 0)
{
rb_snprintf(dlbuffer, sizeof(dlbuffer),
@ -208,7 +303,7 @@ mo_dline(struct Client *client_p, struct Client *source_p,
if(EmptyString(oper_reason))
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
"%s added temporary %d min. D-Line for [%s] [%s]",
get_oper_name(source_p), tdline_time / 60,
aconf->host, reason);
@ -218,7 +313,7 @@ mo_dline(struct Client *client_p, struct Client *source_p,
}
else
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
"%s added temporary %d min. D-Line for [%s] [%s|%s]",
get_oper_name(source_p), tdline_time / 60,
aconf->host, reason, oper_reason);
@ -239,36 +334,19 @@ mo_dline(struct Client *client_p, struct Client *source_p,
oper_reason, current_date, 0);
}
check_dlines();
return 0;
}
/* mo_undline()
*
* parv[1] = dline to remove
*/
static int
mo_undline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
apply_undline(struct Client *source_p, const char *cidr)
{
FILE *in;
FILE *out;
char buf[BUFSIZE], buff[BUFSIZE], temppath[BUFSIZE], *p;
const char *filename, *found_cidr;
const char *cidr;
struct ConfItem *aconf;
int pairme = NO, error_on_write = NO;
mode_t oldumask;
rb_snprintf(temppath, sizeof(temppath), "%s.tmp", ConfigFileEntry.dlinefile);
if(!IsOperUnkline(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "unkline");
return 0;
}
cidr = parv[1];
struct ConfItem *aconf;
if(parse_netmask(cidr, NULL, NULL) == HM_HOST)
{
@ -276,6 +354,8 @@ mo_undline(struct Client *client_p, struct Client *source_p, int parc, const cha
return 0;
}
rb_snprintf(temppath, sizeof(temppath), "%s.tmp", ConfigFileEntry.dlinefile);
aconf = find_exact_conf_by_address(cidr, CONF_DLINE, NULL);
if(aconf == NULL)
{
@ -288,7 +368,7 @@ mo_undline(struct Client *client_p, struct Client *source_p, int parc, const cha
{
sendto_one(source_p,
":%s NOTICE %s :Un-dlined [%s] from temporary D-lines",
me.name, parv[0], buf);
me.name, source_p->name, buf);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s has removed the temporary D-Line for: [%s]",
get_oper_name(source_p), buf);
@ -300,14 +380,14 @@ mo_undline(struct Client *client_p, struct Client *source_p, int parc, const cha
if((in = fopen(filename, "r")) == 0)
{
sendto_one(source_p, ":%s NOTICE %s :Cannot open %s", me.name, parv[0], filename);
sendto_one(source_p, ":%s NOTICE %s :Cannot open %s", me.name, source_p->name, filename);
return 0;
}
oldumask = umask(0);
if((out = fopen(temppath, "w")) == 0)
{
sendto_one(source_p, ":%s NOTICE %s :Cannot open %s", me.name, parv[0], temppath);
sendto_one(source_p, ":%s NOTICE %s :Cannot open %s", me.name, source_p->name, temppath);
fclose(in);
umask(oldumask);
return 0;
@ -336,7 +416,7 @@ mo_undline(struct Client *client_p, struct Client *source_p, int parc, const cha
continue;
}
if(irccmp(found_cidr, aconf->host) == 0)
if(irccmp(found_cidr, cidr) == 0)
{
pairme++;
}
@ -356,13 +436,13 @@ mo_undline(struct Client *client_p, struct Client *source_p, int parc, const cha
{
sendto_one(source_p,
":%s NOTICE %s :Couldn't write D-line file, aborted",
me.name, parv[0]);
me.name, source_p->name);
return 0;
}
else if(!pairme)
{
sendto_one_notice(source_p, ":Cannot find D-Line for %s in file",
aconf->host);
sendto_one(source_p, ":%s NOTICE %s :No D-Line for %s",
me.name, source_p->name, cidr);
if(temppath != NULL)
(void) unlink(temppath);
@ -375,13 +455,13 @@ mo_undline(struct Client *client_p, struct Client *source_p, int parc, const cha
sendto_one_notice(source_p, ":Couldn't rename temp file, aborted");
return 0;
}
rehash_bans(0);
sendto_one(source_p, ":%s NOTICE %s :D-Line for [%s] is removed", me.name, parv[0], aconf->host);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s has removed the D-Line for: [%s]", get_oper_name(source_p), aconf->host);
ilog(L_KLINE, "UD %s %s", get_oper_name(source_p), aconf->host);
delete_one_address_conf(aconf->host, aconf);
sendto_one(source_p, ":%s NOTICE %s :D-Line for [%s] is removed", me.name, source_p->name, cidr);
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
"%s has removed the D-Line for: [%s]", get_oper_name(source_p), cidr);
ilog(L_KLINE, "UD %s %s", get_oper_name(source_p), cidr);
return 0;
}

3
modules/m_stats.c
View File

@ -951,6 +951,9 @@ static struct shared_flags shared_flagtable[] =
{ SHARED_UNRESV, 'R' },
{ SHARED_LOCOPS, 'L' },
{ SHARED_REHASH, 'H' },
{ SHARED_TDLINE, 'd' },
{ SHARED_PDLINE, 'D' },
{ SHARED_UNDLINE, 'E' },
{ 0, '\0'}
};

4
src/newconf.c
View File

@ -373,6 +373,10 @@ static struct mode_table shared_table[] =
{ "kline", SHARED_PKLINE|SHARED_TKLINE },
{ "xline", SHARED_PXLINE|SHARED_TXLINE },
{ "resv", SHARED_PRESV|SHARED_TRESV },
{ "dline", SHARED_PDLINE|SHARED_TDLINE },
{ "tdline", SHARED_TDLINE },
{ "pdline", SHARED_PDLINE },
{ "undline", SHARED_UNDLINE },
{ "tkline", SHARED_TKLINE },
{ "unkline", SHARED_UNKLINE },
{ "txline", SHARED_TXLINE },