mirror of
https://github.com/matrix-construct/construct
synced 2024-12-29 08:54:02 +01:00
77cb59b319
This allows for some further hardening against synflooding and connection flooding where no data is actually sent, as the kernel will simply ignore those connections (well, as far as the ircd is concerned anyway).
225 lines
4.9 KiB
C
225 lines
4.9 KiB
C
/*
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* $Id: ratbox_lib.h 26256 2008-12-10 04:05:26Z androsyn $
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*/
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#ifndef RB_LIB_H
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#define RB_LIB_H 1
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#include <librb-config.h>
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#include <stdio.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <ctype.h>
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#ifdef HAVE_LINUX_TCP_H
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# include <linux/tcp.h>
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#endif
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#ifdef __GNUC__
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#undef alloca
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#define alloca __builtin_alloca
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#else
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# ifdef _MSC_VER
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# include <malloc.h>
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# define alloca _alloca
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# else
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# if RB_HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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# ifdef _AIX
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#pragma alloca
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# else
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# ifndef alloca /* predefined by HP cc +Olibcalls */
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char *alloca();
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# endif
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# endif
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# endif
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# endif
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#endif /* __GNUC__ */
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#ifdef __GNUC__
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#ifdef rb_likely
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#undef rb_likely
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#endif
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#ifdef rb_unlikely
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#undef rb_unlikely
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#endif
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#if __GNUC__ == 2 && __GNUC_MINOR__ < 96
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# define __builtin_expect(x, expected_value) (x)
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#endif
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#define rb_likely(x) __builtin_expect(!!(x), 1)
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#define rb_unlikely(x) __builtin_expect(!!(x), 0)
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#else /* !__GNUC__ */
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#define UNUSED(x) x
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#ifdef rb_likely
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#undef rb_likely
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#endif
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#ifdef rb_unlikely
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#undef rb_unlikely
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#endif
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#define rb_likely(x) (x)
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#define rb_unlikely(x) (x)
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#endif
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#ifdef _WIN32
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#include <process.h>
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#ifndef PATH_MAX
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#define PATH_MAX 128
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#endif
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#ifdef strerror
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#undef strerror
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#endif
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#define strerror(x) rb_strerror(x)
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char *rb_strerror(int error);
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#define ENOBUFS WSAENOBUFS
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#define EINPROGRESS WSAEINPROGRESS
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#define EWOULDBLOCK WSAEWOULDBLOCK
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#define EMSGSIZE WSAEMSGSIZE
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#define EALREADY WSAEALREADY
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#define EISCONN WSAEISCONN
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#define EADDRINUSE WSAEADDRINUSE
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#define EAFNOSUPPORT WSAEAFNOSUPPORT
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#define pipe(x) _pipe(x, 1024, O_BINARY)
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#define ioctl(x,y,z) ioctlsocket(x,y, (u_long *)z)
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#define WNOHANG 1
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#ifndef SIGKILL
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#define SIGKILL SIGTERM
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#endif
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#endif /* _WIN32 */
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#ifndef HOSTIPLEN
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#define HOSTIPLEN 53
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#endif
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#ifdef __GNUC__
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#define slrb_assert(expr) do \
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if(rb_unlikely(!(expr))) { \
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rb_lib_log( \
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"file: %s line: %d (%s): Assertion failed: (%s)", \
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__FILE__, __LINE__, __PRETTY_FUNCTION__, #expr); \
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} \
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while(0)
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#else
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#define slrb_assert(expr) do \
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if(rb_unlikely(!(expr))) { \
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rb_lib_log(L_MAIN, \
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"file: %s line: %d: Assertion failed: (%s)", \
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__FILE__, __LINE__, #expr); \
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} \
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while(0)
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#endif
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#ifdef SOFT_ASSERT
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#define lrb_assert(expr) slrb_assert(expr)
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#else
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#define lrb_assert(expr) do { slrb_assert(expr); assert(expr); } while(0)
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#endif
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#ifdef RB_SOCKADDR_HAS_SA_LEN
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#define ss_len sa_len
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#endif
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#define GET_SS_FAMILY(x) (((const struct sockaddr *)(x))->sa_family)
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#define SET_SS_FAMILY(x, y) ((((struct sockaddr *)(x))->sa_family) = y)
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#ifdef RB_SOCKADDR_HAS_SA_LEN
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#define SET_SS_LEN(x, y) do { \
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struct sockaddr *storage; \
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storage = ((struct sockaddr *)(x));\
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storage->sa_len = (y); \
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} while (0)
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#define GET_SS_LEN(x) (((struct sockaddr *)(x))->sa_len)
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#else /* !RB_SOCKADDR_HAS_SA_LEN */
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#define SET_SS_LEN(x, y) (((struct sockaddr *)(x))->sa_family = ((struct sockaddr *)(x))->sa_family)
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#ifdef RB_IPV6
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#define GET_SS_LEN(x) (((struct sockaddr *)(x))->sa_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6))
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#else
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#define GET_SS_LEN(x) (((struct sockaddr *)(x))->sa_family == AF_INET ? sizeof(struct sockaddr_in) : 0)
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#endif
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#endif
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#ifndef INADDRSZ
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#define INADDRSZ 4
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#endif
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#ifndef IN6ADDRSZ
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#define IN6ADDRSZ 16
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#endif
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#ifndef INT16SZ
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#define INT16SZ 2
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#endif
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typedef void log_cb(const char *buffer);
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typedef void restart_cb(const char *buffer);
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typedef void die_cb(const char *buffer);
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char *rb_ctime(const time_t, char *, size_t);
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char *rb_date(const time_t, char *, size_t);
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void rb_lib_log(const char *, ...);
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void rb_lib_restart(const char *, ...);
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void rb_lib_die(const char *, ...);
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void rb_set_time(void);
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const char *rb_lib_version(void);
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void rb_lib_init(log_cb * xilog, restart_cb * irestart, die_cb * idie, int closeall, int maxfds,
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size_t dh_size, size_t fd_heap_size);
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void rb_lib_loop(long delay);
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time_t rb_current_time(void);
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const struct timeval *rb_current_time_tv(void);
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pid_t rb_spawn_process(const char *, const char **);
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char *rb_strtok_r(char *, const char *, char **);
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int rb_gettimeofday(struct timeval *, void *);
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void rb_sleep(unsigned int seconds, unsigned int useconds);
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char *rb_crypt(const char *, const char *);
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unsigned char *rb_base64_encode(const unsigned char *str, int length);
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unsigned char *rb_base64_decode(const unsigned char *str, int length, int *ret);
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int rb_kill(pid_t, int);
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char *rb_strerror(int);
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int rb_setenv(const char *, const char *, int);
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pid_t rb_waitpid(pid_t pid, int *status, int options);
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pid_t rb_getpid(void);
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//unsigned int rb_geteuid(void);
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#include <rb_tools.h>
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#include <rb_memory.h>
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#include <rb_commio.h>
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#include <rb_balloc.h>
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#include <rb_linebuf.h>
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#include <rb_snprintf.h>
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#include <rb_event.h>
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#include <rb_helper.h>
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#include <rb_rawbuf.h>
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#include <rb_patricia.h>
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#endif
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