/* * 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 1.144 2007/09/17 15:32:33 tim Exp $ */ /* Constants */ #if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0 enum { SHUT_RD = 0, /* No more receptions. */ SHUT_WR, /* No more transmissions. */ SHUT_RDWR /* No more receptions or transmissions. */ }; # define SHUT_RD SHUT_RD # define SHUT_WR SHUT_WR # define SHUT_RDWR SHUT_RDWR #endif #ifndef IPTOS_LOWDELAY # define IPTOS_LOWDELAY 0x10 # define IPTOS_THROUGHPUT 0x08 # define IPTOS_RELIABILITY 0x04 # define IPTOS_LOWCOST 0x02 # define IPTOS_MINCOST IPTOS_LOWCOST #endif /* IPTOS_LOWDELAY */ #ifndef MAXPATHLEN # ifdef PATH_MAX # define MAXPATHLEN PATH_MAX # else /* PATH_MAX */ # define MAXPATHLEN 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 PATH_MAX # ifdef _POSIX_PATH_MAX # define PATH_MAX _POSIX_PATH_MAX # endif #endif #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0 # define MAXSYMLINKS 5 #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 #ifndef NGROUPS_MAX /* Disable groupaccess if NGROUP_MAX is not set */ #ifdef NGROUPS #define NGROUPS_MAX NGROUPS #else #define NGROUPS_MAX 0 #endif #endif #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0 # 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_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 /* *-*-nto-qnx doesn't define this constant in the system headers */ #ifdef MISSING_NFDBITS # define NFDBITS (8 * sizeof(unsigned long)) #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 */ /* If sys/types.h does not supply intXX_t, supply them ourselves */ /* (or die trying) */ #ifndef HAVE_U_INT typedef unsigned int u_int; #endif #ifndef HAVE_INTXX_T # if (SIZEOF_CHAR == 1) typedef char int8_t; # else # error "8 bit int type not found." # endif # if (SIZEOF_SHORT_INT == 2) typedef short int int16_t; # else # ifdef _UNICOS # if (SIZEOF_SHORT_INT == 4) typedef short int16_t; # else typedef long int16_t; # endif # else # error "16 bit int type not found." # endif /* _UNICOS */ # endif # if (SIZEOF_INT == 4) typedef int int32_t; # else # ifdef _UNICOS typedef long int32_t; # else # error "32 bit int type not found." # endif /* _UNICOS */ # endif #endif /* If sys/types.h does not supply u_intXX_t, supply them ourselves */ #ifndef HAVE_U_INTXX_T # ifdef HAVE_UINTXX_T typedef uint8_t u_int8_t; typedef uint16_t u_int16_t; typedef uint32_t u_int32_t; # define HAVE_U_INTXX_T 1 # else # if (SIZEOF_CHAR == 1) typedef unsigned char u_int8_t; # else # error "8 bit int type not found." # endif # if (SIZEOF_SHORT_INT == 2) typedef unsigned short int u_int16_t; # else # ifdef _UNICOS # if (SIZEOF_SHORT_INT == 4) typedef unsigned short u_int16_t; # else typedef unsigned long u_int16_t; # endif # else # error "16 bit int type not found." # endif # endif # if (SIZEOF_INT == 4) typedef unsigned int u_int32_t; # else # ifdef _UNICOS typedef unsigned long u_int32_t; # else # error "32 bit int type not found." # endif # endif # endif #define __BIT_TYPES_DEFINED__ #endif /* 64-bit types */ #ifndef HAVE_INT64_T # if (SIZEOF_LONG_INT == 8) typedef long int int64_t; # else # if (SIZEOF_LONG_LONG_INT == 8) typedef long long int int64_t; # endif # endif #endif #ifndef HAVE_U_INT64_T # if (SIZEOF_LONG_INT == 8) typedef unsigned long int u_int64_t; # else # if (SIZEOF_LONG_LONG_INT == 8) typedef unsigned long long int u_int64_t; # endif # endif #endif #ifndef HAVE_U_CHAR typedef unsigned char u_char; # define HAVE_U_CHAR #endif /* HAVE_U_CHAR */ #ifndef SIZE_T_MAX #define SIZE_T_MAX ULONG_MAX #endif /* SIZE_T_MAX */ #ifndef HAVE_SIZE_T typedef unsigned int size_t; # define HAVE_SIZE_T # define SIZE_T_MAX UINT_MAX #endif /* HAVE_SIZE_T */ #ifndef HAVE_SSIZE_T typedef int ssize_t; # define HAVE_SSIZE_T #endif /* HAVE_SSIZE_T */ #ifndef HAVE_CLOCK_T typedef long clock_t; # define HAVE_CLOCK_T #endif /* HAVE_CLOCK_T */ #ifndef HAVE_SA_FAMILY_T typedef int sa_family_t; # define HAVE_SA_FAMILY_T #endif /* HAVE_SA_FAMILY_T */ #ifndef HAVE_PID_T typedef int pid_t; # define HAVE_PID_T #endif /* HAVE_PID_T */ #ifndef HAVE_SIG_ATOMIC_T typedef int sig_atomic_t; # define HAVE_SIG_ATOMIC_T #endif /* HAVE_SIG_ATOMIC_T */ #ifndef HAVE_MODE_T typedef int mode_t; # define HAVE_MODE_T #endif /* HAVE_MODE_T */ #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 u_int32_t in_addr_t; #endif #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE) #define _STRUCT_WINSIZE struct winsize { unsigned short ws_row; /* rows, in characters */ unsigned short ws_col; /* columns, in character */ unsigned short ws_xpixel; /* horizontal size, pixels */ unsigned short ws_ypixel; /* vertical size, pixels */ }; #endif /* *-*-nto-qnx does not define this type in the system headers */ #ifdef MISSING_FD_MASK typedef unsigned long int fd_mask; #endif /* Paths */ #ifndef _PATH_BSHELL # define _PATH_BSHELL "/bin/sh" #endif #ifdef USER_PATH # ifdef _PATH_STDPATH # undef _PATH_STDPATH # endif # define _PATH_STDPATH USER_PATH #endif #ifndef _PATH_STDPATH # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin" #endif #ifndef SUPERUSER_PATH # define SUPERUSER_PATH _PATH_STDPATH #endif #ifndef _PATH_DEVNULL # define _PATH_DEVNULL "/dev/null" #endif #ifndef MAIL_DIRECTORY # define MAIL_DIRECTORY "/var/spool/mail" #endif #ifndef MAILDIR # define MAILDIR MAIL_DIRECTORY #endif #if !defined(_PATH_MAILDIR) && defined(MAILDIR) # define _PATH_MAILDIR MAILDIR #endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */ #ifndef _PATH_NOLOGIN # define _PATH_NOLOGIN "/etc/nologin" #endif /* Define this to be the path of the xauth program. */ #ifdef XAUTH_PATH #define _PATH_XAUTH XAUTH_PATH #endif /* XAUTH_PATH */ /* derived from XF4/xc/lib/dps/Xlibnet.h */ #ifndef X_UNIX_PATH # ifdef __hpux # define X_UNIX_PATH "/var/spool/sockets/X11/%u" # else # define X_UNIX_PATH "/tmp/.X11-unix/X%u" # endif #endif /* X_UNIX_PATH */ #define _PATH_UNIX_X X_UNIX_PATH #ifndef _PATH_TTY # define _PATH_TTY "/dev/tty" #endif /* Macros */ #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H) # define HAVE_LOGIN_CAP #endif #ifndef MAX # define MAX(a,b) (((a)>(b))?(a):(b)) # define MIN(a,b) (((a)<(b))?(a):(b)) #endif #ifndef roundup # define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) #endif #ifndef timersub #define timersub(a, b, result) \ do { \ (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ if ((result)->tv_usec < 0) { \ --(result)->tv_sec; \ (result)->tv_usec += 1000000; \ } \ } while (0) #endif #ifndef TIMEVAL_TO_TIMESPEC #define TIMEVAL_TO_TIMESPEC(tv, ts) { \ (ts)->tv_sec = (tv)->tv_sec; \ (ts)->tv_nsec = (tv)->tv_usec * 1000; \ } #endif #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) \ ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \ (((u_int32_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 /* *-*-nto-qnx doesn't define this macro in the system headers */ #ifdef MISSING_HOWMANY # define howmany(x,y) (((x)+((y)-1))/(y)) #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 */ #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0 # define offsetof(type, member) ((size_t) &((type *)0)->member) #endif /* 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 */ #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO)) # define HAVE_GETADDRINFO #endif #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(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX) # undef HAVE_UPDWTMPX #endif #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \ defined(SYSLOG_R_SAFE_IN_SIGHAND) # define DO_LOG_SAFE_IN_SIGHAND #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_VHANGUP) && !defined(HAVE_DEV_PTMX) # define USE_VHANGUP #endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */ #ifndef GETPGRP_VOID # include # define getpgrp() getpgrp(0) #endif #ifdef USE_BSM_AUDIT # define SSH_AUDIT_EVENTS # define CUSTOM_SSH_AUDIT_EVENTS #endif /* OPENSSL_free() is Free() in versions before OpenSSL 0.9.6 */ #if !defined(OPENSSL_VERSION_NUMBER) || (OPENSSL_VERSION_NUMBER < 0x0090600f) # define OPENSSL_free(x) Free(x) #endif #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__) # define __func__ __FUNCTION__ #elif !defined(HAVE___func__) # define __func__ "" #endif #if defined(KRB5) && !defined(HEIMDAL) # define krb5_get_err_text(context,code) error_message(code) #endif #if defined(SKEYCHALLENGE_4ARG) # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d) #else # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c) #endif /* Maximum number of file descriptors available */ #ifdef HAVE_SYSCONF # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX) #else # define SSH_SYSFDMAX 10000 #endif #if defined(__Lynx__) /* * LynxOS defines these in param.h which we do not want to include since * it will also pull in a bunch of kernel definitions. */ # define ALIGNBYTES (sizeof(int) - 1) # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES) /* Missing prototypes on LynxOS */ int snprintf (char *, size_t, const char *, ...); int mkstemp (char *); char *crypt (const char *, const char *); int seteuid (uid_t); int setegid (gid_t); char *mkdtemp (char *); int rresvport_af (int *, sa_family_t); int innetgr (const char *, const char *, const char *, const char *); #endif /* * Define this to use pipes instead of socketpairs for communicating with the * client program. Socketpairs do not seem to work on all systems. * * configure.ac sets this for a few OS's which are known to have problems * but you may need to set it yourself */ /* #define USE_PIPES 1 */ /** ** login recorder definitions **/ /* FIXME: put default paths back in */ #ifndef UTMP_FILE # ifdef _PATH_UTMP # define UTMP_FILE _PATH_UTMP # else # ifdef CONF_UTMP_FILE # define UTMP_FILE CONF_UTMP_FILE # endif # endif #endif #ifndef WTMP_FILE # ifdef _PATH_WTMP # define WTMP_FILE _PATH_WTMP # else # ifdef CONF_WTMP_FILE # define WTMP_FILE CONF_WTMP_FILE # endif # endif #endif /* pick up the user's location for lastlog if given */ #ifndef LASTLOG_FILE # ifdef _PATH_LASTLOG # define LASTLOG_FILE _PATH_LASTLOG # else # ifdef CONF_LASTLOG_FILE # define LASTLOG_FILE CONF_LASTLOG_FILE # endif # endif #endif #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) # define USE_SHADOW #endif /* The login() library function in libutil is first choice */ #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN) # define USE_LOGIN #else /* Simply select your favourite login types. */ /* Can't do if-else because some systems use several... */ # if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX) # define USE_UTMPX # endif # if defined(UTMP_FILE) && !defined(DISABLE_UTMP) # define USE_UTMP # endif # if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX) # define USE_WTMPX # endif # if defined(WTMP_FILE) && !defined(DISABLE_WTMP) # define USE_WTMP # endif #endif #ifndef UT_LINESIZE # define UT_LINESIZE 8 #endif /* I hope that the presence of LASTLOG_FILE is enough to detect this */ #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG) # define USE_LASTLOG #endif #ifdef HAVE_OSF_SIA # ifdef USE_SHADOW # undef USE_SHADOW # endif # define CUSTOM_SYS_AUTH_PASSWD 1 #endif #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) # define CUSTOM_SYS_AUTH_PASSWD 1 #endif #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF) # define USE_LIBIAF #endif /* HP-UX 11.11 */ #ifdef BTMP_FILE # define _PATH_BTMP BTMP_FILE #endif #if defined(USE_BTMP) && defined(_PATH_BTMP) # define CUSTOM_FAILED_LOGIN #endif /** end of login recorder definitions */ #ifdef BROKEN_GETGROUPS # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b))) #endif #if defined(HAVE_MMAP) && defined(BROKEN_MMAP) # undef HAVE_MMAP #endif #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 #endif /* _DEFINES_H */