diff options
Diffstat (limited to 'resolv')
| -rw-r--r-- | resolv/Makefile | 11 | ||||
| -rw-r--r-- | resolv/compat-gethnamaddr.c (renamed from resolv/gethnamaddr.c) | 99 |
2 files changed, 59 insertions, 51 deletions
diff --git a/resolv/Makefile b/resolv/Makefile index 06329e1f5c..bd086e0e7d 100644 --- a/resolv/Makefile +++ b/resolv/Makefile @@ -42,11 +42,12 @@ routines += gai_sigqueue tests += tst-res_hconf_reorder endif extra-libs-others = $(extra-libs) -libresolv-routines := gethnamaddr res_comp res_debug \ +libresolv-routines := res_comp res_debug \ res_data res_mkquery res_query res_send \ inet_net_ntop inet_net_pton inet_neta base64 \ ns_parse ns_name ns_netint ns_ttl ns_print \ - ns_samedomain ns_date compat-hooks + ns_samedomain ns_date \ + compat-hooks compat-gethnamaddr libanl-routines := gai_cancel gai_error gai_misc gai_notify gai_suspend \ getaddrinfo_a @@ -84,12 +85,6 @@ generated += mtrace-tst-leaks.out tst-leaks.mtrace \ include ../Rules -CPPFLAGS += -Dgethostbyname=res_gethostbyname \ - -Dgethostbyname2=res_gethostbyname2 \ - -Dgethostbyaddr=res_gethostbyaddr \ - -Dgetnetbyname=res_getnetbyname \ - -Dgetnetbyaddr=res_getnetbyaddr - CFLAGS-res_hconf.c = -fexceptions # The DNS NSS modules needs the resolver. diff --git a/resolv/gethnamaddr.c b/resolv/compat-gethnamaddr.c index 1b81ca840e..6d2292b4cd 100644 --- a/resolv/gethnamaddr.c +++ b/resolv/compat-gethnamaddr.c @@ -54,23 +54,26 @@ it exports symbols in the libresolv ABI. The file is not maintained any more, nor are these functions. */ -#include <sys/types.h> -#include <sys/param.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <arpa/nameser.h> - -#include <stdio.h> -#include <netdb.h> -#include <resolv.h> -#include <ctype.h> -#include <errno.h> -#include <stdlib.h> -#include <string.h> - -#define MAXALIASES 35 -#define MAXADDRS 35 +#include <shlib-compat.h> +#if SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_25) + +# include <sys/types.h> +# include <sys/param.h> +# include <sys/socket.h> +# include <netinet/in.h> +# include <arpa/inet.h> +# include <arpa/nameser.h> + +# include <stdio.h> +# include <netdb.h> +# include <resolv.h> +# include <ctype.h> +# include <errno.h> +# include <stdlib.h> +# include <string.h> + +# define MAXALIASES 35 +# define MAXADDRS 35 static char *h_addr_ptrs[MAXADDRS + 1]; @@ -86,17 +89,17 @@ static void map_v4v6_hostent (struct hostent *hp, char **bp, int *len) __THROW; extern void addrsort (char **, int) __THROW; -#if PACKETSZ > 65536 -#define MAXPACKET PACKETSZ -#else -#define MAXPACKET 65536 -#endif +# if PACKETSZ > 65536 +# define MAXPACKET PACKETSZ +# else +# define MAXPACKET 65536 +# endif /* As per RFC 1034 and 1035 a host name cannot exceed 255 octets in length. */ -#ifdef MAXHOSTNAMELEN -# undef MAXHOSTNAMELEN -#endif -#define MAXHOSTNAMELEN 256 +# ifdef MAXHOSTNAMELEN +# undef MAXHOSTNAMELEN +# endif +# define MAXHOSTNAMELEN 256 typedef union { HEADER hdr; @@ -108,11 +111,11 @@ typedef union { char ac; } align; -#ifndef h_errno +# ifndef h_errno extern int h_errno; -#endif +# endif -#ifdef DEBUG +# ifdef DEBUG static void Dprintf (char *msg, int num) { @@ -123,11 +126,11 @@ Dprintf (char *msg, int num) __set_errno (save); } } -#else -# define Dprintf(msg, num) /*nada*/ -#endif +# else +# define Dprintf(msg, num) /*nada*/ +# endif -#define BOUNDED_INCR(x) \ +# define BOUNDED_INCR(x) \ do { \ cp += x; \ if (cp > eom) { \ @@ -136,7 +139,7 @@ Dprintf (char *msg, int num) } \ } while (0) -#define BOUNDS_CHECK(ptr, count) \ +# define BOUNDS_CHECK(ptr, count) \ do { \ if ((ptr) + (count) > eom) { \ __set_h_errno (NO_RECOVERY); \ @@ -419,11 +422,11 @@ getanswer (const querybuf *answer, int anslen, const char *qname, int qtype) return (NULL); } -extern struct hostent *gethostbyname2(const char *name, int af); -libresolv_hidden_proto (gethostbyname2) +extern struct hostent *res_gethostbyname2(const char *name, int af); +libresolv_hidden_proto (res_gethostbyname2) struct hostent * -gethostbyname (const char *name) +res_gethostbyname (const char *name) { struct hostent *hp; @@ -432,15 +435,16 @@ gethostbyname (const char *name) return (NULL); } if (_res.options & RES_USE_INET6) { - hp = gethostbyname2(name, AF_INET6); + hp = res_gethostbyname2(name, AF_INET6); if (hp) return (hp); } - return (gethostbyname2(name, AF_INET)); + return (res_gethostbyname2(name, AF_INET)); } +compat_symbol (libresolv, res_gethostbyname, res_gethostbyname, GLIBC_2_0); struct hostent * -gethostbyname2 (const char *name, int af) +res_gethostbyname2 (const char *name, int af) { union { @@ -568,10 +572,11 @@ gethostbyname2 (const char *name, int af) free (buf.buf); return ret; } -libresolv_hidden_def (gethostbyname2) +libresolv_hidden_def (res_gethostbyname2) +compat_symbol (libresolv, res_gethostbyname2, res_gethostbyname2, GLIBC_2_0); struct hostent * -gethostbyaddr (const void *addr, socklen_t len, int af) +res_gethostbyaddr (const void *addr, socklen_t len, int af) { const u_char *uaddr = (const u_char *)addr; static const u_char mapped[] = { 0,0, 0,0, 0,0, 0,0, 0,0, 0xff,0xff }; @@ -668,6 +673,7 @@ gethostbyaddr (const void *addr, socklen_t len, int af) __set_h_errno (NETDB_SUCCESS); return (hp); } +compat_symbol (libresolv, res_gethostbyaddr, res_gethostbyaddr, GLIBC_2_0); void _sethtent (int f) @@ -679,8 +685,9 @@ _sethtent (int f) stayopen = f; } libresolv_hidden_def (_sethtent) +compat_symbol (libresolv, _sethtent, _sethtent, GLIBC_2_0); -void +static void _endhtent (void) { if (hostf && !stayopen) { @@ -754,6 +761,7 @@ _gethtent (void) return (&host); } libresolv_hidden_def (_gethtent) +compat_symbol (libresolv, _gethtent, _gethtent, GLIBC_2_0); struct hostent * _gethtbyname (const char *name) @@ -767,6 +775,7 @@ _gethtbyname (const char *name) } return (_gethtbyname2(name, AF_INET)); } +compat_symbol (libresolv, _gethtbyname, _gethtbyname, GLIBC_2_0); struct hostent * _gethtbyname2 (const char *name, int af) @@ -789,6 +798,7 @@ _gethtbyname2 (const char *name, int af) return (p); } libresolv_hidden_def (_gethtbyname2) +compat_symbol (libresolv, _gethtbyname2, _gethtbyname2, GLIBC_2_0); struct hostent * _gethtbyaddr (const char *addr, size_t len, int af) @@ -803,6 +813,7 @@ _gethtbyaddr (const char *addr, size_t len, int af) return (p); } libresolv_hidden_def (_gethtbyaddr) +compat_symbol (libresolv, _gethtbyaddr, _gethtbyaddr, GLIBC_2_0); static void map_v4v6_address (const char *src, char *dst) @@ -888,3 +899,5 @@ addrsort (char **ap, int num) needsort++; } } + +#endif /* SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_25) */ |