104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/* source: sysutils.h */
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/* Copyright Gerhard Rieger */
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/* Published under the GNU General Public License V.2, see file COPYING */
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#ifndef __sysutils_h_included
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#define __sysutils_h_included 1
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#if WITH_IP6
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/* not all OSes provide in6_addr that allows splitting to 16 or 32 bit junks of
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the host address part of sockaddr_in6; here we help ourselves */
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union xioin6_u {
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uint8_t u6_addr8[16];
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uint16_t u6_addr16[8];
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uint32_t u6_addr32[4];
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} ;
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#endif /* WITH_IP6 */
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#if _WITH_SOCKET
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union sockaddr_union {
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struct sockaddr soa;
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#if WITH_UNIX
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struct sockaddr_un un;
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#endif /* WITH_UNIX */
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#if _WITH_IP4
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struct sockaddr_in ip4;
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#endif /* _WITH_IP4 */
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#if WITH_IP6
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struct sockaddr_in6 ip6;
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#endif /* WITH_IP6 */
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#if WITH_INTERFACE
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struct sockaddr_ll ll;
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#endif
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} ;
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#endif /* _WITH_SOCKET */
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#if _WITH_SOCKET
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struct xiorange {
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union sockaddr_union netaddr;
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union sockaddr_union netmask;
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} ;
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#endif /* _WITH_SOCKET */
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extern ssize_t writefull(int fd, const void *buff, size_t bytes);
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#if _WITH_SOCKET
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extern socklen_t socket_init(int af, union sockaddr_union *sa);
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#endif
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#if WITH_UNIX
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extern void socket_un_init(struct sockaddr_un *sa);
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#endif /* WITH_UNIX */
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#if _WITH_IP4
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extern void socket_in_init(struct sockaddr_in *sa);
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#endif /* _WITH_IP4 */
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#if _WITH_IP6
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extern void socket_in6_init(struct sockaddr_in6 *sa);
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#endif /* _WITH_IP4 */
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#if _WITH_SOCKET
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extern char *sockaddr_info(const struct sockaddr *sa, socklen_t salen, char *buff, size_t blen);
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#endif
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#if WITH_UNIX
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extern char *sockaddr_unix_info(const struct sockaddr_un *sa, socklen_t salen, char *buff, size_t blen);
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#endif /* WITH_UNIX */
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#if WITH_IP4
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extern char *inet4addr_info(uint32_t addr, char *buff, size_t blen);
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extern char *sockaddr_inet4_info(const struct sockaddr_in *sa, char *buff, size_t blen);
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#endif /* WITH_IP4 */
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#if WITH_IP6
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extern char *sockaddr_inet6_info(const struct sockaddr_in6 *sa, char *buff, size_t blen);
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#endif /* WITH_IP6 */
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#if !HAVE_INET_NTOP
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extern const char *inet_ntop(int pf, const void *binaddr,
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char *addrtext, socklen_t textlen);
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#endif
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#if defined(HAVE_SETGRENT) && defined(HAVE_GETGRENT) && defined(HAVE_ENDGRENT)
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extern int getusergroups(const char *user, gid_t *list, int *ngroups);
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#endif
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#if !HAVE_HSTRERROR
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extern const char *hstrerror(int err);
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#endif
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extern int xiopoll(struct pollfd fds[], unsigned long nfds, struct timeval *timeout);
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extern int parseport(const char *portname, int proto);
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extern int ifindexbyname(const char *ifname, int anysock);
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extern int ifindex(const char *ifname, unsigned int *ifindex, int anysock);
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extern int xiosetenv(const char *varname, const char *value, int overwrite, const char *sep);
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extern int
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xiosetenv2(const char *varname, const char *varname2, const char *value,
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int overwrite, const char *sep);
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extern int
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xiosetenv3(const char *varname, const char *varname2, const char *varname3,
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const char *value, int overwrite, const char *sep);
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extern int xiosetenvulong(const char *varname, unsigned long value,
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int overwrite);
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extern int xiosetenvushort(const char *varname, unsigned short value,
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int overwrite);
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#endif /* !defined(__sysutils_h_included) */
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