mirror of
https://github.com/matrix-construct/construct
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61b517ca3c
* To benefit from the precompiled-header (PCH) it MUST provide "the first C token." Advantages: Never worry about the include stack again. Remember, this means one less thing for random module developers, community people learning C++, and new developers to deal with. It should reduce the learning curve and barrier for participation. Disadvantages: Makes overall compilation a bit slower, especially without any additional work to improve it again. There are several opportunities, places where the PCH is probably being ignored, etc that can be addressed.
66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
/*
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* Hostmask extban type: bans all users matching a given hostmask, used for stacked extbans
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* -- kaniini
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*/
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using namespace ircd;
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static const char extb_desc[] = "Hostmask ($m) extban type";
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static int _modinit(void);
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static void _moddeinit(void);
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static int eb_hostmask(const char *data, struct Client *client_p, struct Channel *chptr, long mode_type);
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DECLARE_MODULE_AV2(extb_hostmask, _modinit, _moddeinit, NULL, NULL, NULL, NULL, NULL, extb_desc);
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static int
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_modinit(void)
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{
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extban_table['m'] = eb_hostmask;
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return 0;
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}
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static void
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_moddeinit(void)
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{
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extban_table['m'] = NULL;
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}
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static int
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eb_hostmask(const char *banstr, struct Client *client_p, struct Channel *chptr, long mode_type)
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{
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char src_host[NICKLEN + USERLEN + HOSTLEN + 6];
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char src_iphost[NICKLEN + USERLEN + HOSTLEN + 6];
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char src_althost[NICKLEN + USERLEN + HOSTLEN + 6];
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char src_ip4host[NICKLEN + USERLEN + HOSTLEN + 6];
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struct sockaddr_in ip4;
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char *s = src_host, *s2 = src_iphost, *s3 = NULL, *s4 = NULL;
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sprintf(src_host, "%s!%s@%s", client_p->name, client_p->username, client_p->host);
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sprintf(src_iphost, "%s!%s@%s", client_p->name, client_p->username, client_p->sockhost);
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/* handle hostmangling if necessary */
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if (client_p->localClient->mangledhost != NULL)
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{
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if (!strcmp(client_p->host, client_p->localClient->mangledhost))
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sprintf(src_althost, "%s!%s@%s", client_p->name, client_p->username, client_p->orighost);
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else if (!IsDynSpoof(client_p))
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sprintf(src_althost, "%s!%s@%s", client_p->name, client_p->username, client_p->localClient->mangledhost);
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s3 = src_althost;
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}
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#ifdef RB_IPV6
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/* handle Teredo if necessary */
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if (GET_SS_FAMILY(&client_p->localClient->ip) == AF_INET6 && rb_ipv4_from_ipv6((const struct sockaddr_in6 *) &client_p->localClient->ip, &ip4))
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{
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sprintf(src_ip4host, "%s!%s@", client_p->name, client_p->username);
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s4 = src_ip4host + strlen(src_ip4host);
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rb_inet_ntop_sock((struct sockaddr *)&ip4,
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s4, src_ip4host + sizeof src_ip4host - s4);
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s4 = src_ip4host;
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}
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#endif
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return match(banstr, s) || match(banstr, s2) || (s3 != NULL && match(banstr, s3)) || (s4 != NULL && match(banstr, s4)) ? EXTBAN_MATCH : EXTBAN_NOMATCH;
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}
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