mirror of
git://git.acid.vegas/unrealircd.git
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112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
/*
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* IRC - Internet Relay Chat, src/modules/sts.c
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* (C) 2017 Syzop & The UnrealIRCd Team
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*
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* See file AUTHORS in IRC package for additional names of
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* the programmers.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "unrealircd.h"
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ModuleHeader MOD_HEADER
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= {
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"sts",
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"5.0",
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"Strict Transport Security CAP",
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"UnrealIRCd Team",
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"unrealircd-5",
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};
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MOD_INIT()
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{
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MARK_AS_OFFICIAL_MODULE(modinfo);
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return MOD_SUCCESS;
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}
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void init_sts(ModuleInfo *modinfo);
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MOD_LOAD()
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{
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/* init_sts is delayed to MOD_LOAD due to configuration dependency */
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init_sts(modinfo);
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return MOD_SUCCESS;
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}
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MOD_UNLOAD()
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{
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return MOD_SUCCESS;
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}
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/** Check if this capability should be visible.
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* Note that 'client' may be NULL.
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*/
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int sts_capability_visible(Client *client)
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{
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TLSOptions *ssl;
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/* This is possible if queried from the CAP NEW/DEL code */
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if (client == NULL)
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return (iConf.tls_options && iConf.tls_options->sts_port) ? 1 : 0;
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if (!IsSecure(client))
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{
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if (iConf.tls_options && iConf.tls_options->sts_port)
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return 1; /* YES, non-SSL user and set::tls::sts-policy configured */
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return 0; /* NO, there is no sts-policy */
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}
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ssl = FindTLSOptionsForUser(client);
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if (ssl && ssl->sts_port)
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return 1;
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return 0;
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}
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char *sts_capability_parameter(Client *client)
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{
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TLSOptions *ssl;
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static char buf[256];
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if (IsSecure(client))
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ssl = FindTLSOptionsForUser(client);
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else
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ssl = iConf.tls_options;
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if (!ssl)
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return ""; /* This would be odd. */
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snprintf(buf, sizeof(buf), "port=%d,duration=%ld", ssl->sts_port, ssl->sts_duration);
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if (ssl->sts_preload)
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strlcat(buf, ",preload", sizeof(buf));
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return buf;
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}
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void init_sts(ModuleInfo *modinfo)
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{
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ClientCapabilityInfo cap;
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memset(&cap, 0, sizeof(cap));
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cap.name = "sts";
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cap.flags = CLICAP_FLAGS_ADVERTISE_ONLY;
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cap.visible = sts_capability_visible;
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cap.parameter = sts_capability_parameter;
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ClientCapabilityAdd(modinfo->handle, &cap, NULL);
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}
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