/* * Copyright (c) 2016 Gilles Chehade . All rights reserved. * Copyright (c) 1999-2003 Damien Miller. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _DEFINES_H #define _DEFINES_H /* $Id: defines.h,v 1.181 2014/06/11 19:22:50 dtucker Exp $ */ /* Constants */ #ifndef HOST_NAME_MAX # ifdef _POSIX_HOST_NAME_MAX # define HOST_NAME_MAX _POSIX_HOST_NAME_MAX # endif #endif #ifndef PATH_MAX # ifdef _POSIX_PATH_MAX # define PATH_MAX _POSIX_PATH_MAX # endif #endif #ifndef MAXPATHLEN # ifdef PATH_MAX # define MAXPATHLEN PATH_MAX # else /* PATH_MAX */ # define MAXPATHLEN 64 # define PATH_MAX 64 /* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */ # ifndef BROKEN_REALPATH # define BROKEN_REALPATH 1 # endif /* BROKEN_REALPATH */ # endif /* PATH_MAX */ #endif /* MAXPATHLEN */ #ifndef MAXHOSTNAMELEN # define MAXHOSTNAMELEN 64 #endif #ifndef LOGIN_NAME_MAX # define LOGIN_NAME_MAX 9 #endif #ifndef MAXLOGNAME #define MAXLOGNAME LOGIN_NAME_MAX #endif #ifndef UID_MAX #define UID_MAX UINT_MAX #endif #ifndef GID_MAX #define GID_MAX UINT_MAX #endif #ifndef STDIN_FILENO # define STDIN_FILENO 0 #endif #ifndef STDOUT_FILENO # define STDOUT_FILENO 1 #endif #ifndef STDERR_FILENO # define STDERR_FILENO 2 #endif #if !HAVE_DECL_O_NONBLOCK # define O_NONBLOCK 00004 /* Non Blocking Open */ #endif #ifndef S_ISDIR # define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) #endif /* S_ISDIR */ #ifndef S_ISREG # define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) #endif /* S_ISREG */ #ifndef S_ISLNK # define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK) #endif /* S_ISLNK */ #ifndef S_IXUSR # define S_ISUID 0004000 /* set-uid */ # define S_ISGID 0002000 /* set-gid */ # define S_ISVTX 0001000 /* sticky */ # define S_IXUSR 0000100 /* execute/search permission, */ # define S_IXGRP 0000010 /* execute/search permission, */ # define S_IXOTH 0000001 /* execute/search permission, */ # define _S_IWUSR 0000200 /* write permission, */ # define S_IWUSR _S_IWUSR /* write permission, owner */ # define S_IWGRP 0000020 /* write permission, group */ # define S_IWOTH 0000002 /* write permission, other */ # define S_IRUSR 0000400 /* read permission, owner */ # define S_IRGRP 0000040 /* read permission, group */ # define S_IROTH 0000004 /* read permission, other */ # define S_IRWXU 0000700 /* read, write, execute */ # define S_IRWXG 0000070 /* read, write, execute */ # define S_IRWXO 0000007 /* read, write, execute */ #endif /* S_IXUSR */ #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS) #define MAP_ANON MAP_ANONYMOUS #endif #ifndef MAP_FAILED # define MAP_FAILED ((void *)-1) #endif /* SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but including rpc/rpc.h breaks Solaris 6 */ #ifndef INADDR_LOOPBACK #define INADDR_LOOPBACK ((u_long)0x7f000001) #endif /* Types */ #ifndef HAVE_U_CHAR typedef unsigned char u_char; # define HAVE_U_CHAR #endif /* HAVE_U_CHAR */ #ifndef HAVE_U_INT typedef unsigned int u_int; # define HAVE_U_INT #endif #ifndef HAVE_INTMAX_T typedef long long intmax_t; # define HAVE_INTMAX_T #endif #ifndef HAVE_UINTMAX_T typedef unsigned long long uintmax_t; # define HAVE_UINTMAX_T #endif #ifndef HAVE_SA_FAMILY_T typedef int sa_family_t; # define HAVE_SA_FAMILY_T #endif /* HAVE_SA_FAMILY_T */ #ifndef HAVE_SIG_ATOMIC_T typedef int sig_atomic_t; # define HAVE_SIG_ATOMIC_T #endif /* HAVE_SIG_ATOMIC_T */ #ifndef ULLONG_MAX # define ULLONG_MAX ((unsigned long long)-1) #endif #ifndef SIZE_T_MAX #define SIZE_T_MAX ULONG_MAX #endif /* SIZE_T_MAX */ #ifndef SIZE_MAX #define SIZE_MAX SIZE_T_MAX #endif #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS) # define ss_family __ss_family #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */ #ifndef HAVE_SYS_UN_H struct sockaddr_un { short sun_family; /* AF_UNIX */ char sun_path[108]; /* path name (gag) */ }; #endif /* HAVE_SYS_UN_H */ #ifndef HAVE_IN_ADDR_T typedef uint32_t in_addr_t; #endif #ifndef HAVE_IN_PORT_T typedef uint16_t in_port_t; #endif /* Paths */ /* needed by compat/daemon.c */ #ifndef _PATH_DEVNULL # define _PATH_DEVNULL "/dev/null" #endif /* user may have set a different path */ #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) # undef _PATH_MAILDIR #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */ #ifdef MAIL_DIRECTORY # define _PATH_MAILDIR MAIL_DIRECTORY #endif #ifdef MAILDIR # undef MAILDIR #endif /* Macros */ /* needed by compat */ #ifndef MAX # define MAX(a,b) (((a)>(b))?(a):(b)) #endif #ifndef MIN # define MIN(a,b) (((a)<(b))?(a):(b)) #endif /* needed by smtpd */ #ifndef timespeccmp #define timespeccmp(a, b, cmp) \ (((a)->tv_sec == (b)->tv_sec) ? \ ((a)->tv_nsec cmp (b)->tv_nsec) : \ ((a)->tv_sec cmp (b)->tv_sec)) #endif /* needed by smtpd */ #ifndef timespecsub #define timespecsub(a, b, result) \ do { \ (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ (result)->tv_nsec = (a)->tv_nsec - (b)->tv_nsec; \ if ((result)->tv_nsec < 0) { \ --(result)->tv_sec; \ (result)->tv_nsec += 1000000000L; \ } \ } while (0) #endif /* needed by smtpd */ #ifndef TIMEVAL_TO_TIMESPEC #define TIMEVAL_TO_TIMESPEC(tv, ts) { \ (ts)->tv_sec = (tv)->tv_sec; \ (ts)->tv_nsec = (tv)->tv_usec * 1000; \ } #endif /* needed by compat */ #ifndef TIMESPEC_TO_TIMEVAL #define TIMESPEC_TO_TIMEVAL(tv, ts) { \ (tv)->tv_sec = (ts)->tv_sec; \ (tv)->tv_usec = (ts)->tv_nsec / 1000; \ } #endif #ifndef __P # define __P(x) x #endif #if !defined(IN6_IS_ADDR_V4MAPPED) # define IN6_IS_ADDR_V4MAPPED(a) \ ((((uint32_t *) (a))[0] == 0) && (((uint32_t *) (a))[1] == 0) && \ (((uint32_t *) (a))[2] == htonl (0xffff))) #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */ #if !defined(__GNUC__) || (__GNUC__ < 2) # define __attribute__(x) #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */ #ifndef __dead # define __dead __attribute__((noreturn)) #endif #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__) # define __sentinel__ #endif #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__) # define __bounded__(x, y, z) #endif #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__) # define __nonnull__(x) #endif #ifndef OSSH_ALIGNBYTES #define OSSH_ALIGNBYTES (sizeof(int) - 1) #endif #ifndef __CMSG_ALIGN #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES) #endif /* Length of the contents of a control message of length len */ #ifndef CMSG_LEN #define CMSG_LEN(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) #endif /* Length of the space taken up by a padded control message of length len */ #ifndef CMSG_SPACE #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len)) #endif /* given pointer to struct cmsghdr, return pointer to data */ #ifndef CMSG_DATA #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr))) #endif /* CMSG_DATA */ /* * RFC 2292 requires to check msg_controllen, in case that the kernel returns * an empty list for some reasons. */ #ifndef CMSG_FIRSTHDR #define CMSG_FIRSTHDR(mhdr) \ ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \ (struct cmsghdr *)(mhdr)->msg_control : \ (struct cmsghdr *)NULL) #endif /* CMSG_FIRSTHDR */ /* Set up BSD-style BYTE_ORDER definition if it isn't there already */ /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */ #ifndef BYTE_ORDER # ifndef LITTLE_ENDIAN # define LITTLE_ENDIAN 1234 # endif /* LITTLE_ENDIAN */ # ifndef BIG_ENDIAN # define BIG_ENDIAN 4321 # endif /* BIG_ENDIAN */ # ifdef WORDS_BIGENDIAN # define BYTE_ORDER BIG_ENDIAN # else /* WORDS_BIGENDIAN */ # define BYTE_ORDER LITTLE_ENDIAN # endif /* WORDS_BIGENDIAN */ #endif /* BYTE_ORDER */ /* Function replacement / compatibility hacks */ #ifndef HAVE_GETOPT_OPTRESET # undef getopt # undef opterr # undef optind # undef optopt # undef optreset # undef optarg # define getopt(ac, av, o) BSDgetopt(ac, av, o) # define opterr BSDopterr # define optind BSDoptind # define optopt BSDoptopt # define optreset BSDoptreset # define optarg BSDoptarg #endif #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO) # undef HAVE_GETADDRINFO #endif #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO) # undef HAVE_FREEADDRINFO #endif #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR) # undef HAVE_GAI_STRERROR #endif #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) # define memmove(s1, s2, n) bcopy((s2), (s1), (n)) #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */ #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__) # define __func__ __FUNCTION__ #elif !defined(HAVE___func__) # define __func__ "" #endif /* Maximum number of file descriptors available */ /* needed by compat/bsd-closefrom.c */ #ifndef OPEN_MAX # ifdef HAVE_SYSCONF # define OPEN_MAX sysconf(_SC_OPEN_MAX) # else # define OPEN_MAX 256 # endif #endif /** end of login recorder definitions */ #ifndef IOV_MAX # if defined(_XOPEN_IOV_MAX) # define IOV_MAX _XOPEN_IOV_MAX # elif defined(DEF_IOV_MAX) # define IOV_MAX DEF_IOV_MAX # else # define IOV_MAX 16 # endif #endif #ifndef EWOULDBLOCK # define EWOULDBLOCK EAGAIN #endif #ifndef INET6_ADDRSTRLEN /* for non IPv6 machines */ #define INET6_ADDRSTRLEN 46 #endif #ifndef HAVE_VA_COPY # ifdef HAVE___VA_COPY # define va_copy(dest, src) __va_copy(dest, src) # else # define va_copy(dest, src) (dest) = (src) # endif #endif /* OpenSMTPD-portable specific entries */ /* From OpenNTPD portable */ #if !defined(SA_LEN) # if defined(HAVE_STRUCT_SOCKADDR_SA_LEN) # define SA_LEN(x) ((x)->sa_len) # else # define SA_LEN(x) ((x)->sa_family == AF_INET6 ? \ sizeof(struct sockaddr_in6) : \ sizeof(struct sockaddr_in)) # endif #endif /* From OpenBGPD portable */ #if !defined(SS_LEN) # if defined(HAVE_STRUCT_SOCKADDR_STORAGE_SS_LEN) # define SS_LEN(x) ((x)->ss_len) # else # define SS_LEN(x) SA_LEN((struct sockaddr *)(x)) # endif #endif #ifdef HAVE_SS_LEN # define STORAGE_LEN(X) ((X).ss_len) # define SET_STORAGE_LEN(X, Y) do { STORAGE_LEN(X) = (Y); } while(0) #elif defined(HAVE___SS_LEN) # define STORAGE_LEN(X) ((X).__ss_len) # define SET_STORAGE_LEN(X, Y) do { STORAGE_LEN(X) = (Y); } while(0) #else # define STORAGE_LEN(X) (STORAGE_FAMILY(X) == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6)) # define SET_STORAGE_LEN(X, Y) (void) 0 #endif /* chl parts */ #ifndef EAI_NODATA # ifdef EAI_NONAME # define EAI_NODATA EAI_NONAME # else # error "Neither EAI_NODATA and EAI_NONAME are defined! :(" # endif #endif /* end of chl */ #ifndef HAVE_FPARSELN /* * fparseln() specific operation flags. */ #define FPARSELN_UNESCESC 0x01 #define FPARSELN_UNESCCONT 0x02 #define FPARSELN_UNESCCOMM 0x04 #define FPARSELN_UNESCREST 0x08 #define FPARSELN_UNESCALL 0x0f #endif #ifdef HAVE_M_DATA #undef M_DATA #endif #ifndef SCOPE_DELIMITER #define SCOPE_DELIMITER '%' #endif #ifndef HAVE_FLOCK #define LOCK_SH 0x01 /* shared file lock */ #define LOCK_EX 0x02 /* exclusive file lock */ #define LOCK_NB 0x04 /* don't block when locking */ #define LOCK_UN 0x08 /* unlock file */ #endif #if !HAVE_DECL_LOG_PERROR #define LOG_PERROR 0 #endif #endif /* _DEFINES_H */