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- #ifndef _TOR_COMPAT_H
- #define _TOR_COMPAT_H
- #include "orconfig.h"
- #include "torint.h"
- #ifdef _WIN32
- #ifndef WIN32_WINNT
- #define WIN32_WINNT 0x400
- #endif
- #ifndef _WIN32_WINNT
- #define _WIN32_WINNT 0x400
- #endif
- #define WIN32_LEAN_AND_MEAN
- #if defined(_MSC_VER) && (_MSC_VER < 1300)
- #include <winsock.h>
- #else
- #include <winsock2.h>
- #include <ws2tcpip.h>
- #endif
- #endif
- #ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #ifdef HAVE_SYS_TIME_H
- #include <sys/time.h>
- #endif
- #ifdef HAVE_TIME_H
- #include <time.h>
- #endif
- #ifdef HAVE_STRING_H
- #include <string.h>
- #endif
- #if defined(HAVE_PTHREAD_H) && !defined(_WIN32)
- #include <pthread.h>
- #endif
- #include <stdarg.h>
- #ifdef HAVE_SYS_RESOURCE_H
- #include <sys/resource.h>
- #endif
- #ifdef HAVE_SYS_SOCKET_H
- #include <sys/socket.h>
- #endif
- #ifdef HAVE_NETINET_IN_H
- #include <netinet/in.h>
- #endif
- #ifdef HAVE_NETINET6_IN6_H
- #include <netinet6/in6.h>
- #endif
- #include <stdio.h>
- #if defined (WINCE)
- #include <fcntl.h>
- #include <io.h>
- #include <math.h>
- #include <projects.h>
- #define snprintf _snprintf
- #define SHGetPathFromIDListW SHGetPathFromIDList
- #define HAVE_VASPRINTF
- #ifdef NT_SERVICE
- #undef NT_SERVICE
- #endif
- #endif
- #ifndef NULL_REP_IS_ZERO_BYTES
- #error "It seems your platform does not represent NULL as zero. We can't cope."
- #endif
- #if 'a'!=97 || 'z'!=122 || 'A'!=65 || ' '!=32
- #error "It seems that you encode characters in something other than ASCII."
- #endif
- #ifdef __GNUC__
- #define CHECK_PRINTF(formatIdx, firstArg) \
- __attribute__ ((format(printf, formatIdx, firstArg)))
- #else
- #define CHECK_PRINTF(formatIdx, firstArg)
- #endif
- #ifdef _WIN32
- #define INLINE __inline
- #else
- #define INLINE inline
- #endif
- #if defined(_MSC_VER)
- #if _MSC_VER < 1300
- #define __func__ "???"
- #else
- #define __func__ __FUNCTION__
- #endif
- #else
- #ifndef HAVE_MACRO__func__
- #ifdef HAVE_MACRO__FUNCTION__
- #define __func__ __FUNCTION__
- #elif HAVE_MACRO__FUNC__
- #define __func__ __FUNC__
- #else
- #define __func__ "???"
- #endif
- #endif
- #endif
- #if defined(_MSC_VER) && (_MSC_VER < 1300)
- extern INLINE double U64_TO_DBL(uint64_t x) {
- int64_t i = (int64_t) x;
- return (i < 0) ? ((double) INT64_MAX) : (double) i;
- }
- #define DBL_TO_U64(x) ((uint64_t)(int64_t) (x))
- #else
- #define U64_TO_DBL(x) ((double) (x))
- #define DBL_TO_U64(x) ((uint64_t) (x))
- #endif
- #if defined(__GNUC__) && __GNUC__ >= 3
- #define ATTR_NORETURN __attribute__((noreturn))
- #define ATTR_CONST __attribute__((const))
- #define ATTR_MALLOC __attribute__((malloc))
- #define ATTR_NORETURN __attribute__((noreturn))
- #define ATTR_NONNULL(x)
- #define PREDICT_LIKELY(exp) __builtin_expect(!!(exp), 1)
- #define PREDICT_UNLIKELY(exp) __builtin_expect(!!(exp), 0)
- #else
- #define ATTR_NORETURN
- #define ATTR_CONST
- #define ATTR_MALLOC
- #define ATTR_NORETURN
- #define ATTR_NONNULL(x)
- #define PREDICT_LIKELY(exp) (exp)
- #define PREDICT_UNLIKELY(exp) (exp)
- #endif
- #define STMT_NIL (void)0
- #define STMT_VOID(a) while (0) { (void)(a); }
- #ifdef __GNUC__
- #define STMT_BEGIN (void) ({
- #define STMT_END })
- #elif defined(sun) || defined(__sun__)
- #define STMT_BEGIN if (1) {
- #define STMT_END } else STMT_NIL
- #else
- #define STMT_BEGIN do {
- #define STMT_END } while (0)
- #endif
- #ifdef _WIN32
- #define strncasecmp _strnicmp
- #define strcasecmp _stricmp
- #endif
- #ifndef HAVE_STRLCAT
- size_t strlcat(char *dst, const char *src, size_t siz) ATTR_NONNULL((1,2));
- #endif
- #ifndef HAVE_STRLCPY
- size_t strlcpy(char *dst, const char *src, size_t siz) ATTR_NONNULL((1,2));
- #endif
- #ifdef _MSC_VER
- #define U64_PRINTF_ARG(a) (a)
- #define U64_SCANF_ARG(a) (a)
- #define U64_LITERAL(n) (n ## ui64)
- #define I64_PRINTF_ARG(a) (a)
- #define I64_SCANF_ARG(a) (a)
- #define I64_LITERAL(n) (n ## i64)
- #else
- #define U64_PRINTF_ARG(a) ((long long unsigned int)(a))
- #define U64_SCANF_ARG(a) ((long long unsigned int*)(a))
- #define U64_LITERAL(n) (n ## llu)
- #define I64_PRINTF_ARG(a) ((long long signed int)(a))
- #define I64_SCANF_ARG(a) ((long long signed int*)(a))
- #define I64_LITERAL(n) (n ## ll)
- #endif
- #if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
- #define U64_FORMAT "%I64u"
- #define I64_FORMAT "%I64d"
- #else
- #define U64_FORMAT "%llu"
- #define I64_FORMAT "%lld"
- #endif
- typedef struct tor_mmap_t {
- const char *data;
- size_t size;
-
- #ifdef HAVE_SYS_MMAN_H
- size_t mapping_size;
- #elif defined _WIN32
- HANDLE file_handle;
- HANDLE mmap_handle;
- #endif
- } tor_mmap_t;
- tor_mmap_t *tor_mmap_file(const char *filename) ATTR_NONNULL((1));
- void tor_munmap_file(tor_mmap_t *handle) ATTR_NONNULL((1));
- int tor_snprintf(char *str, size_t size, const char *format, ...)
- CHECK_PRINTF(3,4) ATTR_NONNULL((1,3));
- int tor_vsnprintf(char *str, size_t size, const char *format, va_list args)
- ATTR_NONNULL((1,3));
- int tor_asprintf(char **strp, const char *fmt, ...)
- CHECK_PRINTF(2,3);
- int tor_vasprintf(char **strp, const char *fmt, va_list args);
- const void *tor_memmem(const void *haystack, size_t hlen, const void *needle,
- size_t nlen) ATTR_NONNULL((1,3));
- static const void *tor_memstr(const void *haystack, size_t hlen,
- const char *needle) ATTR_NONNULL((1,3));
- static INLINE const void *
- tor_memstr(const void *haystack, size_t hlen, const char *needle)
- {
- return tor_memmem(haystack, hlen, needle, strlen(needle));
- }
- #define DECLARE_CTYPE_FN(name) \
- static int TOR_##name(char c); \
- extern const uint32_t TOR_##name##_TABLE[]; \
- static INLINE int TOR_##name(char c) { \
- uint8_t u = c; \
- return !!(TOR_##name##_TABLE[(u >> 5) & 7] & (1 << (u & 31))); \
- }
- DECLARE_CTYPE_FN(ISALPHA)
- DECLARE_CTYPE_FN(ISALNUM)
- DECLARE_CTYPE_FN(ISSPACE)
- DECLARE_CTYPE_FN(ISDIGIT)
- DECLARE_CTYPE_FN(ISXDIGIT)
- DECLARE_CTYPE_FN(ISPRINT)
- DECLARE_CTYPE_FN(ISLOWER)
- DECLARE_CTYPE_FN(ISUPPER)
- extern const char TOR_TOUPPER_TABLE[];
- extern const char TOR_TOLOWER_TABLE[];
- #define TOR_TOLOWER(c) (TOR_TOLOWER_TABLE[(uint8_t)c])
- #define TOR_TOUPPER(c) (TOR_TOUPPER_TABLE[(uint8_t)c])
- char *tor_strtok_r_impl(char *str, const char *sep, char **lasts);
- #ifdef HAVE_STRTOK_R
- #define tor_strtok_r(str, sep, lasts) strtok_r(str, sep, lasts)
- #else
- #define tor_strtok_r(str, sep, lasts) tor_strtok_r_impl(str, sep, lasts)
- #endif
- #ifdef _WIN32
- #define _SHORT_FILE_ (tor_fix_source_file(__FILE__))
- const char *tor_fix_source_file(const char *fname);
- #else
- #define _SHORT_FILE_ (__FILE__)
- #define tor_fix_source_file(s) (s)
- #endif
- #if !defined(HAVE_GETTIMEOFDAY) && !defined(HAVE_STRUCT_TIMEVAL_TV_SEC)
- struct timeval {
- time_t tv_sec;
- unsigned int tv_usec;
- };
- #endif
- void tor_gettimeofday(struct timeval *timeval);
- struct tm *tor_localtime_r(const time_t *timep, struct tm *result);
- struct tm *tor_gmtime_r(const time_t *timep, struct tm *result);
- #ifndef timeradd
- #define timeradd(tv1,tv2,tvout) \
- do { \
- (tvout)->tv_sec = (tv1)->tv_sec + (tv2)->tv_sec; \
- (tvout)->tv_usec = (tv1)->tv_usec + (tv2)->tv_usec; \
- if ((tvout)->tv_usec >= 1000000) { \
- (tvout)->tv_usec -= 1000000; \
- (tvout)->tv_sec++; \
- } \
- } while (0)
- #endif
- #ifndef timersub
- #define timersub(tv1,tv2,tvout) \
- do { \
- (tvout)->tv_sec = (tv1)->tv_sec - (tv2)->tv_sec; \
- (tvout)->tv_usec = (tv1)->tv_usec - (tv2)->tv_usec; \
- if ((tvout)->tv_usec < 0) { \
- (tvout)->tv_usec += 1000000; \
- (tvout)->tv_sec--; \
- } \
- } while (0)
- #endif
- #ifndef timercmp
- #define timercmp(tv1,tv2,op) \
- (((tv1)->tv_sec == (tv2)->tv_sec) ? \
- ((tv1)->tv_usec op (tv2)->tv_usec) : \
- ((tv1)->tv_sec op (tv2)->tv_sec))
- #endif
- int tor_open_cloexec(const char *path, int flags, unsigned mode);
- FILE *tor_fopen_cloexec(const char *path, const char *mode);
- int replace_file(const char *from, const char *to);
- int touch_file(const char *fname);
- typedef struct tor_lockfile_t tor_lockfile_t;
- tor_lockfile_t *tor_lockfile_lock(const char *filename, int blocking,
- int *locked_out);
- void tor_lockfile_unlock(tor_lockfile_t *lockfile);
- off_t tor_fd_getpos(int fd);
- int tor_fd_seekend(int fd);
- #ifdef _WIN32
- #define PATH_SEPARATOR "\\"
- #else
- #define PATH_SEPARATOR "/"
- #endif
- #if (SIZEOF_SOCKLEN_T == 0)
- typedef int socklen_t;
- #endif
- #ifdef _WIN32
- #define tor_socket_t intptr_t
- #define SOCKET_OK(s) ((SOCKET)(s) != INVALID_SOCKET)
- #define TOR_INVALID_SOCKET INVALID_SOCKET
- #else
- #define tor_socket_t int
- #define SOCKET_OK(s) ((s) >= 0)
- #define TOR_INVALID_SOCKET (-1)
- #endif
- int tor_close_socket(tor_socket_t s);
- tor_socket_t tor_open_socket(int domain, int type, int protocol);
- tor_socket_t tor_accept_socket(tor_socket_t sockfd, struct sockaddr *addr,
- socklen_t *len);
- int get_n_open_sockets(void);
- #define tor_socket_send(s, buf, len, flags) send(s, buf, len, flags)
- #define tor_socket_recv(s, buf, len, flags) recv(s, buf, len, flags)
- #if !defined(HAVE_STRUCT_IN6_ADDR)
- struct in6_addr
- {
- union {
- uint8_t u6_addr8[16];
- uint16_t u6_addr16[8];
- uint32_t u6_addr32[4];
- } in6_u;
- #define s6_addr in6_u.u6_addr8
- #define s6_addr16 in6_u.u6_addr16
- #define s6_addr32 in6_u.u6_addr32
- };
- #endif
- #if defined(__APPLE__) || defined(__darwin__) || defined(__FreeBSD__) \
- || defined(__NetBSD__) || defined(__OpenBSD__)
- #ifndef s6_addr16
- #define s6_addr16 __u6_addr.__u6_addr16
- #endif
- #ifndef s6_addr32
- #define s6_addr32 __u6_addr.__u6_addr32
- #endif
- #endif
- #ifndef HAVE_SA_FAMILY_T
- typedef uint16_t sa_family_t;
- #endif
- #ifdef HAVE_STRUCT_IN6_ADDR_S6_ADDR32
- #define S6_ADDR32(x) ((uint32_t*)(x).s6_addr32)
- #else
- #define S6_ADDR32(x) ((uint32_t*)((char*)&(x).s6_addr))
- #endif
- #ifdef HAVE_STRUCT_IN6_ADDR_S6_ADDR16
- #define S6_ADDR16(x) ((uint16_t*)(x).s6_addr16)
- #else
- #define S6_ADDR16(x) ((uint16_t*)((char*)&(x).s6_addr))
- #endif
- #if !defined(HAVE_STRUCT_SOCKADDR_IN6)
- struct sockaddr_in6 {
- sa_family_t sin6_family;
- uint16_t sin6_port;
-
- struct in6_addr sin6_addr;
-
- };
- #endif
- int tor_inet_aton(const char *cp, struct in_addr *addr) ATTR_NONNULL((1,2));
- const char *tor_inet_ntop(int af, const void *src, char *dst, size_t len);
- int tor_inet_pton(int af, const char *src, void *dst);
- int tor_lookup_hostname(const char *name, uint32_t *addr) ATTR_NONNULL((1,2));
- void set_socket_nonblocking(tor_socket_t socket);
- int tor_socketpair(int family, int type, int protocol, tor_socket_t fd[2]);
- int network_init(void);
- #if defined(_WIN32)
- #define ERRNO_IS_EAGAIN(e) ((e) == EAGAIN || (e) == WSAEWOULDBLOCK)
- #define ERRNO_IS_EINPROGRESS(e) ((e) == WSAEINPROGRESS)
- #define ERRNO_IS_CONN_EINPROGRESS(e) \
- ((e) == WSAEINPROGRESS || (e)== WSAEINVAL || (e) == WSAEWOULDBLOCK)
- #define ERRNO_IS_ACCEPT_EAGAIN(e) ERRNO_IS_EAGAIN(e)
- #define ERRNO_IS_ACCEPT_RESOURCE_LIMIT(e) \
- ((e) == WSAEMFILE || (e) == WSAENOBUFS)
- #define ERRNO_IS_EADDRINUSE(e) ((e) == WSAEADDRINUSE)
- int tor_socket_errno(tor_socket_t sock);
- const char *tor_socket_strerror(int e);
- #else
- #define ERRNO_IS_EAGAIN(e) ((e) == EAGAIN)
- #define ERRNO_IS_EINPROGRESS(e) ((e) == EINPROGRESS)
- #define ERRNO_IS_CONN_EINPROGRESS(e) ((e) == EINPROGRESS)
- #define ERRNO_IS_ACCEPT_EAGAIN(e) ((e) == EAGAIN || (e) == ECONNABORTED)
- #define ERRNO_IS_ACCEPT_RESOURCE_LIMIT(e) \
- ((e) == EMFILE || (e) == ENFILE || (e) == ENOBUFS || (e) == ENOMEM)
- #define ERRNO_IS_EADDRINUSE(e) ((e) == EADDRINUSE)
- #define tor_socket_errno(sock) (errno)
- #define tor_socket_strerror(e) strerror(e)
- #endif
- typedef enum {
- SOCKS5_SUCCEEDED = 0x00,
- SOCKS5_GENERAL_ERROR = 0x01,
- SOCKS5_NOT_ALLOWED = 0x02,
- SOCKS5_NET_UNREACHABLE = 0x03,
- SOCKS5_HOST_UNREACHABLE = 0x04,
- SOCKS5_CONNECTION_REFUSED = 0x05,
- SOCKS5_TTL_EXPIRED = 0x06,
- SOCKS5_COMMAND_NOT_SUPPORTED = 0x07,
- SOCKS5_ADDRESS_TYPE_NOT_SUPPORTED = 0x08,
- } socks5_reply_status_t;
- void tor_init_weak_random(unsigned seed);
- long tor_weak_random(void);
- #define TOR_RAND_MAX (RAND_MAX)
- const char *get_uname(void);
- uint16_t get_uint16(const void *cp) ATTR_NONNULL((1));
- uint32_t get_uint32(const void *cp) ATTR_NONNULL((1));
- uint64_t get_uint64(const void *cp) ATTR_NONNULL((1));
- void set_uint16(void *cp, uint16_t v) ATTR_NONNULL((1));
- void set_uint32(void *cp, uint32_t v) ATTR_NONNULL((1));
- void set_uint64(void *cp, uint64_t v) ATTR_NONNULL((1));
- #define get_uint8(cp) (*(const uint8_t*)(cp))
- static void set_uint8(void *cp, uint8_t v);
- static INLINE void
- set_uint8(void *cp, uint8_t v)
- {
- *(uint8_t*)cp = v;
- }
- #if !defined(HAVE_RLIM_T)
- typedef unsigned long rlim_t;
- #endif
- int set_max_file_descriptors(rlim_t limit, int *max);
- int tor_disable_debugger_attach(void);
- int switch_id(const char *user);
- #ifdef HAVE_PWD_H
- char *get_user_homedir(const char *username);
- #endif
- int get_parent_directory(char *fname);
- char *make_path_absolute(char *fname);
- int spawn_func(void (*func)(void *), void *data);
- void spawn_exit(void) ATTR_NORETURN;
- #if defined(ENABLE_THREADS) && defined(_WIN32)
- #define USE_WIN32_THREADS
- #define TOR_IS_MULTITHREADED 1
- #elif (defined(ENABLE_THREADS) && defined(HAVE_PTHREAD_H) && \
- defined(HAVE_PTHREAD_CREATE))
- #define USE_PTHREADS
- #define TOR_IS_MULTITHREADED 1
- #else
- #undef TOR_IS_MULTITHREADED
- #endif
- int compute_num_cpus(void);
- typedef struct tor_mutex_t {
- #if defined(USE_WIN32_THREADS)
-
- CRITICAL_SECTION mutex;
- #elif defined(USE_PTHREADS)
-
- pthread_mutex_t mutex;
- #else
-
- int _unused;
- #endif
- } tor_mutex_t;
- int tor_mlockall(void);
- #ifdef TOR_IS_MULTITHREADED
- tor_mutex_t *tor_mutex_new(void);
- void tor_mutex_init(tor_mutex_t *m);
- void tor_mutex_acquire(tor_mutex_t *m);
- void tor_mutex_release(tor_mutex_t *m);
- void tor_mutex_free(tor_mutex_t *m);
- void tor_mutex_uninit(tor_mutex_t *m);
- unsigned long tor_get_thread_id(void);
- void tor_threads_init(void);
- #else
- #define tor_mutex_new() ((tor_mutex_t*)tor_malloc(sizeof(int)))
- #define tor_mutex_init(m) STMT_NIL
- #define tor_mutex_acquire(m) STMT_VOID(m)
- #define tor_mutex_release(m) STMT_NIL
- #define tor_mutex_free(m) STMT_BEGIN tor_free(m); STMT_END
- #define tor_mutex_uninit(m) STMT_NIL
- #define tor_get_thread_id() (1UL)
- #define tor_threads_init() STMT_NIL
- #endif
- void set_main_thread(void);
- int in_main_thread(void);
- #ifdef TOR_IS_MULTITHREADED
- #if 0
- typedef struct tor_cond_t tor_cond_t;
- tor_cond_t *tor_cond_new(void);
- void tor_cond_free(tor_cond_t *cond);
- int tor_cond_wait(tor_cond_t *cond, tor_mutex_t *mutex);
- void tor_cond_signal_one(tor_cond_t *cond);
- void tor_cond_signal_all(tor_cond_t *cond);
- #endif
- #endif
- #ifndef MAX
- #define MAX(a,b) ( ((a)<(b)) ? (b) : (a) )
- #endif
- #ifndef MIN
- #define MIN(a,b) ( ((a)>(b)) ? (b) : (a) )
- #endif
- #ifdef _WIN32
- char *format_win32_error(DWORD err);
- #endif
- #ifdef _WIN32
- #ifndef VER_SUITE_EMBEDDEDNT
- #define VER_SUITE_EMBEDDEDNT 0x00000040
- #endif
- #ifndef VER_SUITE_SINGLEUSERTS
- #define VER_SUITE_SINGLEUSERTS 0x00000100
- #endif
- #endif
- #endif
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