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proc
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3023066
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task
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3023066
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root
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proc
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thread-self
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root
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proc
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self
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root
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usr
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include
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bind9
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ns
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Filename :
server.h
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/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #ifndef NS_SERVER_H #define NS_SERVER_H 1 /*! \file */ #include <inttypes.h> #include <stdbool.h> #include <isc/fuzz.h> #include <isc/log.h> #include <isc/magic.h> #include <isc/quota.h> #include <isc/random.h> #include <isc/sockaddr.h> #include <isc/types.h> #include <dns/acl.h> #include <dns/types.h> #include <ns/types.h> #define NS_EVENT_CLIENTCONTROL (ISC_EVENTCLASS_NS + 0) #define NS_SERVER_LOGQUERIES 0x00000001U /*%< log queries */ #define NS_SERVER_NOAA 0x00000002U /*%< -T noaa */ #define NS_SERVER_NOSOA 0x00000004U /*%< -T nosoa */ #define NS_SERVER_NONEAREST 0x00000008U /*%< -T nonearest */ #define NS_SERVER_NOEDNS 0x00000020U /*%< -T noedns */ #define NS_SERVER_DROPEDNS 0x00000040U /*%< -T dropedns */ #define NS_SERVER_NOTCP 0x00000080U /*%< -T notcp */ #define NS_SERVER_DISABLE4 0x00000100U /*%< -6 */ #define NS_SERVER_DISABLE6 0x00000200U /*%< -4 */ #define NS_SERVER_FIXEDLOCAL 0x00000400U /*%< -T fixedlocal */ #define NS_SERVER_SIGVALINSECS 0x00000800U /*%< -T sigvalinsecs */ #define NS_SERVER_EDNSFORMERR 0x00001000U /*%< -T ednsformerr (STD13) */ #define NS_SERVER_EDNSNOTIMP 0x00002000U /*%< -T ednsnotimp */ #define NS_SERVER_EDNSREFUSED 0x00004000U /*%< -T ednsrefused */ /*% * Type for callback function to get hostname. */ typedef isc_result_t (*ns_hostnamecb_t)(char *buf, size_t len); /*% * Type for callback function to signal the fuzzer thread * when built with AFL. */ typedef void (*ns_fuzzcb_t)(void); /*% * Type for callback function to get the view that can answer a query. */ typedef isc_result_t (*ns_matchview_t)( isc_netaddr_t *srcaddr, isc_netaddr_t *destaddr, dns_message_t *message, dns_aclenv_t *env, isc_result_t *sigresultp, dns_view_t **viewp); /*% * Server context. */ struct ns_server { unsigned int magic; isc_mem_t *mctx; isc_refcount_t references; /*% Server cookie secret and algorithm */ unsigned char secret[32]; ns_cookiealg_t cookiealg; ns_altsecretlist_t altsecrets; bool answercookie; /*% Quotas */ isc_quota_t recursionquota; isc_quota_t tcpquota; isc_quota_t xfroutquota; isc_quota_t updquota; /*% Test options and other configurables */ uint32_t options; dns_acl_t *blackholeacl; dns_acl_t *keepresporder; uint16_t udpsize; uint16_t transfer_tcp_message_size; bool interface_auto; dns_tkeyctx_t *tkeyctx; /*% Server id for NSID */ char *server_id; ns_hostnamecb_t gethostname; /*% Fuzzer callback */ isc_fuzztype_t fuzztype; ns_fuzzcb_t fuzznotify; /*% Callback to find a matching view for a query */ ns_matchview_t matchingview; /*% Stats counters */ ns_stats_t *nsstats; dns_stats_t *rcvquerystats; dns_stats_t *opcodestats; dns_stats_t *rcodestats; isc_stats_t *udpinstats4; isc_stats_t *udpoutstats4; isc_stats_t *udpinstats6; isc_stats_t *udpoutstats6; isc_stats_t *tcpinstats4; isc_stats_t *tcpoutstats4; isc_stats_t *tcpinstats6; isc_stats_t *tcpoutstats6; unsigned int max_additional_records; }; struct ns_altsecret { ISC_LINK(ns_altsecret_t) link; unsigned char secret[32]; }; isc_result_t ns_server_create(isc_mem_t *mctx, ns_matchview_t matchingview, ns_server_t **sctxp); /*%< * Create a server context object with default settings. */ void ns_server_attach(ns_server_t *src, ns_server_t **dest); /*%< * Attach a server context. * * Requires: *\li 'src' is valid. */ void ns_server_detach(ns_server_t **sctxp); /*%< * Detach from a server context. If its reference count drops to zero, destroy * it, freeing its memory. * * Requires: *\li '*sctxp' is valid. * Ensures: *\li '*sctxp' is NULL on return. */ isc_result_t ns_server_setserverid(ns_server_t *sctx, const char *serverid); /*%< * Set sctx->server_id to 'serverid'. If it was set previously, free the memory. * * Requires: *\li 'sctx' is valid. */ unsigned int ns_server_getmaxadditionalrecords(ns_server_t *sctx); /*%< * Returns the maximal number of records with additional addresses * provided. * * Requires: *\li 'sctx' is valid. */ void ns_server_setoption(ns_server_t *sctx, unsigned int option, bool value); /*%< * Set the given options on (if 'value' == #true) * or off (if 'value' == #false). * * Requires: *\li 'sctx' is valid */ bool ns_server_getoption(ns_server_t *sctx, unsigned int option); /*%< * Returns the current value of the specified server option. * * Requires: *\li 'sctx' is valid. */ #endif /* NS_SERVER_H */