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- /* Copyright (c) 2003-2004, Roger Dingledine
- * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2018, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- #ifndef TOR_RESOLVE_H
- #define TOR_RESOLVE_H
- #include "orconfig.h"
- #include "lib/cc/torint.h"
- #include "lib/testsupport/testsupport.h"
- #ifdef _WIN32
- #include <winsock2.h>
- #endif
- #if defined(HAVE_SECCOMP_H) && defined(__linux__)
- #define USE_SANDBOX_GETADDRINFO
- #endif
- MOCK_DECL(int,tor_lookup_hostname,(const char *name, uint32_t *addr));
- struct addrinfo;
- #ifdef USE_SANDBOX_GETADDRINFO
- /** Pre-calls getaddrinfo in order to pre-record result. */
- int sandbox_add_addrinfo(const char *addr);
- // XXXX rename these. They are named as though they were sandbox-only,
- // XXXX but in fact they're the only allowed entry point to getaddrinfo.
- // XXXX They don't invoke the sandbox code; they only have an internal cache.
- struct addrinfo;
- /** Replacement for getaddrinfo(), using pre-recorded results. */
- int sandbox_getaddrinfo(const char *name, const char *servname,
- const struct addrinfo *hints,
- struct addrinfo **res);
- void sandbox_freeaddrinfo(struct addrinfo *addrinfo);
- void sandbox_free_getaddrinfo_cache(void);
- void sandbox_make_getaddrinfo_cache_active(void);
- #else /* !(defined(USE_SANDBOX_GETADDRINFO)) */
- #define sandbox_getaddrinfo(name, servname, hints, res) \
- getaddrinfo((name),(servname), (hints),(res))
- #define sandbox_add_addrinfo(name) \
- ((void)(name))
- #define sandbox_freeaddrinfo(addrinfo) \
- freeaddrinfo((addrinfo))
- #define sandbox_free_getaddrinfo_cache()
- #endif /* defined(USE_SANDBOX_GETADDRINFO) */
- void sandbox_disable_getaddrinfo_cache(void);
- #endif
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