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https://github.com/isc-projects/bind9.git
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checkpoint
This commit is contained in:
Mark Andrews
parent
f40036cbd6
commit
76942b0fed
6 changed files with 616 additions and 178 deletions
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@ -16,7 +16,11 @@
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <isc/net.h>
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#include <lwres/netdb.h>
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static void
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@ -46,21 +50,23 @@ print_he(struct hostent *he, int error, const char *fun, const char *name) {
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i++;
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}
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} else {
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printf("%s(%s): error = %d\n", fun, name, error);
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printf("%s(%s): error = %d (%s)\n", fun, name, error,
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hstrerror(error));
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}
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}
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int
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main(int argc, char **argv) {
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struct hostent *he;
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char **c;
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int error;
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(void)argc;
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while (argv[1] != NULL) {
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he = gethostbyname(argv[1]);
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print_he(he, 0 /* XXX h_errno */, "gethostbyname", argv[1]);
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print_he(he, h_errno, "gethostbyname", argv[1]);
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he = getipnodebyname(argv[1], AF_INET, AI_DEFAULT|AI_ALL,
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he = getipnodebyname(argv[1], AF_INET6, AI_DEFAULT|AI_ALL,
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&error);
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print_he(he, error, "getipnodebyname", argv[1]);
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if (he != NULL)
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@ -27,12 +27,13 @@ CWARNINGS =
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# Alphabetically
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OBJS = context.@O@ getaddrinfo.@O@ gethost.@O@ getipnode.@O@ \
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getnameinfo.@O@ getnet.@O@ lwbuffer.@O@ lwpacket.@O@ \
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lwresutil.@O@ lwres_gabn.@O@ lwres_gnba.@O@ lwres_noop.@O@
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getnameinfo.@O@ getnet.@O@ herror.@O@ lwbuffer.@O@ \
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lwpacket.@O@ lwresutil.@O@ lwres_gabn.@O@ lwres_gnba.@O@ \
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lwres_noop.@O@
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# Alphabetically
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SRCS = context.c getaddrinfo.c gethost.c getipnode.c \
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getnameinfo.c getnet.c lwbuffer.c lwpacket.c \
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getnameinfo.c getnet.c herror.c lwbuffer.c lwpacket.c \
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lwresutil.c lwres_gabn.c lwres_gnba.c lwres_noop.c
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LIBS = @LIBS@
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@ -1,8 +1,10 @@
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#include <isc/net.h>
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#include <lwres/netdb.h>
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#include <stdio.h>
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#include <sys/errno.h>
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static struct hostent *he = NULL;
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static int copytobuf(struct hostent *, struct hostent *, char *, int);
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struct hostent *
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gethostbyname(const char *name) {
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@ -16,19 +18,18 @@ gethostbyname(const char *name) {
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return (he);
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}
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#ifdef ISC_LWRES_GETHOSTBYADDRVOID
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struct hostent *
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gethostbyaddr(const void *addr, size_t len, int type) {
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gethostbyname2(const char *name, int af) {
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int error;
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if (he != NULL)
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if (he != NULL)
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freehostent(he);
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he = getipnodebyaddr(addr, len, type, &error);
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he = getipnodebyname(name, af, 0, &error);
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h_errno = error;
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return (he);
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}
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#else
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struct hostent *
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gethostbyaddr(const char *addr, int len, int type) {
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int error;
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@ -40,7 +41,6 @@ gethostbyaddr(const char *addr, int len, int type) {
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h_errno = error;
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return (he);
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}
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#endif
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struct hostent *
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gethostent(void) {
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@ -51,28 +51,131 @@ gethostent(void) {
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return (NULL);
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}
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#ifdef ISC_LWRES_SETHOSTENTINT
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int
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sethostent(int stayopen) {
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(void)stayopen;
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return (0);
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}
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#else
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void
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sethostent(int stayopen) {
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/* empty */
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(void)stayopen;
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}
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#endif
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#ifdef ISC_LWRES_ENDHOSTENTINT
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int
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endhostent(void) {
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return(0);
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}
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#else
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void
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endhostent(void) {
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/* empty */
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}
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#endif
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struct hostent *
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gethostbyname_r(const char *name, struct hostent *resbuf,
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char *buf, int buflen, int *error) {
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struct hostent *he;
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int res;
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he = getipnodebyname(name, AF_INET, 0, error);
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if (he == NULL)
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return (NULL);
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res = copytobuf(he, resbuf, buf, buflen);
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if (he != NULL)
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freehostent(he);
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if (res != 0) {
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errno = ERANGE;
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return (NULL);
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}
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return (resbuf);
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}
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struct hostent *
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gethostbyaddr_r(const char *addr, int len, int type, struct hostent *resbuf,
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char *buf, int buflen, int *error) {
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struct hostent *he;
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int res;
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he = getipnodebyaddr(addr, len, type, error);
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if (he == NULL)
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return (NULL);
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res = copytobuf(he, resbuf, buf, buflen);
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if (he != NULL)
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freehostent(he);
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if (res != 0) {
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errno = ERANGE;
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return (NULL);
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}
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return (resbuf);
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}
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struct hostent *
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gethostent_r(struct hostent *resbuf, char *buf, int buflen, int *error) {
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(void)resbuf;
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(void)buf;
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(void)buflen;
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*error = 0;
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return (NULL);
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}
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void
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sethostent_r(int stayopen) {
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(void)stayopen;
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/* empty */
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}
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void
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endhostent_r(void) {
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/* empty */
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}
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static int
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copytobuf(struct hostent *he, struct hostent *hptr, char *buf, int buflen) {
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char *cp;
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char **ptr;
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int i, n;
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int nptr, len;
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/* Find out the amount of space required to store the answer. */
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nptr = 2; /* NULL ptrs */
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len = (char *)ALIGN(buf) - buf;
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for (i = 0; he->h_addr_list[i]; i++, nptr++) {
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len += he->h_length;
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}
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for (i = 0; he->h_aliases[i]; i++, nptr++) {
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len += strlen(he->h_aliases[i]) + 1;
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}
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len += strlen(he->h_name) + 1;
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len += nptr * sizeof(char*);
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if (len > buflen) {
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return (-1);
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}
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/* copy address size and type */
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hptr->h_addrtype = he->h_addrtype;
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n = hptr->h_length = he->h_length;
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ptr = (char **)ALIGN(buf);
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cp = (char *)ALIGN(buf) + nptr * sizeof(char *);
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/* copy address list */
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hptr->h_addr_list = ptr;
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for (i = 0; he->h_addr_list[i]; i++ , ptr++) {
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memcpy(cp, he->h_addr_list[i], n);
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hptr->h_addr_list[i] = cp;
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cp += n;
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i++;
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}
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hptr->h_addr_list[i] = NULL;
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ptr++;
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/* copy official name */
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n = strlen(he->h_name) + 1;
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strcpy(cp, he->h_name);
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hptr->h_name = cp;
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cp += n;
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/* copy aliases */
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hptr->h_aliases = ptr;
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for (i = 0 ; he->h_aliases[i]; i++) {
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n = strlen(he->h_aliases[i]) + 1;
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strcpy(cp, he->h_aliases[i]);
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hptr->h_aliases[i] = cp;
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cp += n;
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}
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hptr->h_aliases[i] = NULL;
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return (0);
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}
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@ -12,18 +12,6 @@ getnetbyname(const char *name) {
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return (NULL);
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}
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#ifdef ISC_LWRES_GETNETBYADDRINADDR
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struct netent *
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getnetbyaddr(in_addr_t net, int type) {
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if (type == AF_INET)
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return (NULL);
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/* XXX */
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UNUSED(net);
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return (NULL);
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}
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#else
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struct netent *
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getnetbyaddr(unsigned long net, int type) {
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@ -34,7 +22,6 @@ getnetbyaddr(unsigned long net, int type) {
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UNUSED(net);
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return (NULL);
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}
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#endif
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struct netent *
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getnetent() {
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@ -42,32 +29,43 @@ getnetent() {
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return (NULL);
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}
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#ifdef ISC_LWRES_SETNETENTINT
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int
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setnetent(int stayopen) {
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UNUSED(stayopen);
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/* empty */
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return (1); /* success */
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}
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#else
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void
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setnetent(int stayopen) {
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UNUSED(stayopen);
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/* empty */
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}
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#endif
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#ifdef ISC_LWRES_ENDNETENTINT
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int
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endnetent() {
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return (0);
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}
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#else
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void
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endnetent() {
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/* empty */
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}
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#endif
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struct netent *
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getnetbyname_r(const char *name, struct netent *resbuf, char *buf,
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int buflen)
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{
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return (NULL);
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}
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struct netent *
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getnetbyaddr_r(long addr, int type, struct netent *resbuf, char *buf,
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int buflen)
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{
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return (NULL);
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}
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struct netent *
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getnetent_r(struct netent *resbuf, char *buf, int buflen) {
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return (NULL);
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}
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void
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setnetent_r(int stayopen) {
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(void)stayopen;
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}
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void
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endnetent_r(void) {
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/* empty */
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}
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|
|
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96
lib/lwres/herror.c
Normal file
96
lib/lwres/herror.c
Normal file
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@ -0,0 +1,96 @@
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/*
|
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* Copyright (c) 1987, 1993
|
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* The Regents of the University of California. 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.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Portions Copyright (c) 1996-1999 by Internet Software Consortium.
|
||||
*
|
||||
* Permission to use, copy, modify, and distribute this software for any
|
||||
* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice appear in all copies.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
|
||||
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
|
||||
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
|
||||
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
|
||||
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
||||
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
||||
* SOFTWARE.
|
||||
*/
|
||||
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
static const char sccsid[] = "@(#)herror.c 8.1 (Berkeley) 6/4/93";
|
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static const char rcsid[] = "$Id: herror.c,v 1.1 2000/01/27 08:08:02 marka Exp $";
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include <stdio.h>
|
||||
#include <lwres/netdb.h>
|
||||
|
||||
int h_errno;
|
||||
|
||||
/*
|
||||
* these have never been declared in any header file so make them static
|
||||
*/
|
||||
|
||||
static const char *h_errlist[] = {
|
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"Resolver Error 0 (no error)",
|
||||
"Unknown host", /* 1 HOST_NOT_FOUND */
|
||||
"Host name lookup failure", /* 2 TRY_AGAIN */
|
||||
"Unknown server error", /* 3 NO_RECOVERY */
|
||||
"No address associated with name", /* 4 NO_ADDRESS */
|
||||
};
|
||||
|
||||
static int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };
|
||||
|
||||
|
||||
/*
|
||||
* herror --
|
||||
* print the error indicated by the h_errno value.
|
||||
*/
|
||||
void
|
||||
herror(const char *s) {
|
||||
fprintf(stderr, "%s: %s\n", s, hstrerror(h_errno));
|
||||
}
|
||||
|
||||
/*
|
||||
* hstrerror --
|
||||
* return the string associated with a given "host" errno value.
|
||||
*/
|
||||
const char *
|
||||
hstrerror(int err) {
|
||||
if (err < 0)
|
||||
return ("Resolver internal error");
|
||||
else if (err < h_nerr)
|
||||
return (h_errlist[err]);
|
||||
return ("Unknown resolver error");
|
||||
}
|
||||
|
|
@ -18,157 +18,391 @@
|
|||
#ifndef lwres_netdb_h
|
||||
#define lwres_netdb_h 1
|
||||
|
||||
#include <netdb.h>
|
||||
/*
|
||||
* ++Copyright++ 1980, 1983, 1988, 1993
|
||||
* -
|
||||
* Copyright (c) 1980, 1983, 1988, 1993
|
||||
* The Regents of the University of California. 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.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
||||
* -
|
||||
* Portions Copyright (c) 1993 by Digital Equipment Corporation.
|
||||
*
|
||||
* Permission to use, copy, modify, and distribute this software for any
|
||||
* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice appear in all copies, and that
|
||||
* the name of Digital Equipment Corporation not be used in advertising or
|
||||
* publicity pertaining to distribution of the document or software without
|
||||
* specific, written prior permission.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
|
||||
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
|
||||
* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
|
||||
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
|
||||
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
||||
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
||||
* SOFTWARE.
|
||||
* -
|
||||
* Portions Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
||||
* 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.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by WIDE Project and
|
||||
* its contributors.
|
||||
* 4. Neither the name of the project nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``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 PROJECT OR CONTRIBUTORS 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.
|
||||
* -
|
||||
* --Copyright--
|
||||
*/
|
||||
|
||||
/*
|
||||
* Define if we need to define struct addrinfo.
|
||||
* @(#)netdb.h 8.1 (Berkeley) 6/2/93
|
||||
* $Id: netdb.h.in,v 1.8 2000/01/27 08:08:00 marka Exp $
|
||||
*/
|
||||
@ISC_LWRES_NEEDADDRINFO@
|
||||
|
||||
/*
|
||||
* Define if we need to prototype getipnodeby{name,addr}
|
||||
* and freehostent.
|
||||
*/
|
||||
@ISC_LWRES_GETIPNODEPROTO@
|
||||
|
||||
/*
|
||||
* Define if we need to prototype getaddrinfo and freeaddrinfo.
|
||||
*/
|
||||
@ISC_LWRES_GETADDRINFOPROTO@
|
||||
|
||||
/*
|
||||
* Define if we need to prototype getnameinfo.
|
||||
*/
|
||||
@ISC_LWRES_GETNAMEINFOPROTO@
|
||||
|
||||
/*
|
||||
* Define if sethostent returns int.
|
||||
*/
|
||||
@ISC_LWRES_SETNETENTINT@
|
||||
|
||||
/*
|
||||
* Define if endhostent returns int.
|
||||
*/
|
||||
@ISC_LWRES_ENDNETENTINT@
|
||||
|
||||
/*
|
||||
* Define if gethostbyaddr takes a void * as first arguement.
|
||||
*/
|
||||
@ISC_LWRES_GETHOSTBYADDRVOID@
|
||||
|
||||
/*
|
||||
* Define if sethostent returns an int.
|
||||
*/
|
||||
@ISC_LWRES_SETHOSTENTINT@
|
||||
|
||||
/*
|
||||
* Define if endhostent returns an int.
|
||||
*/
|
||||
@ISC_LWRES_ENDHOSTENTINT@
|
||||
|
||||
/*
|
||||
* Define if h_errno if not defined by netdb.h.
|
||||
*/
|
||||
@ISC_LWRES_NEEDHERRNO@
|
||||
|
||||
#ifdef ISC_LWRES_NEEDADDRINFO
|
||||
struct addrinfo {
|
||||
int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
|
||||
int ai_family; /* PF_xxx */
|
||||
int ai_socktype; /* SOCK_xxx */
|
||||
int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
|
||||
size_t ai_addrlen; /* length of ai_addr */
|
||||
char *ai_canonname; /* canonical name for hostname */
|
||||
struct sockaddr *ai_addr; /* binary address */
|
||||
struct addrinfo *ai_next; /* next structure in linked list */
|
||||
};
|
||||
#include <sys/param.h>
|
||||
#if (!defined(BSD)) || (BSD < 199306)
|
||||
# include <sys/bitypes.h>
|
||||
#endif
|
||||
#include <sys/cdefs.h>
|
||||
#include <netinet/in.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#ifndef _PATH_HEQUIV
|
||||
#define _PATH_HEQUIV "/etc/hosts.equiv"
|
||||
#endif
|
||||
#ifndef _PATH_HOSTS
|
||||
#define _PATH_HOSTS "/etc/hosts"
|
||||
#endif
|
||||
#ifndef _PATH_NETWORKS
|
||||
#define _PATH_NETWORKS "/etc/networks"
|
||||
#endif
|
||||
#ifndef _PATH_PROTOCOLS
|
||||
#define _PATH_PROTOCOLS "/etc/protocols"
|
||||
#endif
|
||||
#ifndef _PATH_SERVICES
|
||||
#define _PATH_SERVICES "/etc/services"
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Structures returned by network data base library. All addresses are
|
||||
* supplied in host order, and returned in network order (suitable for
|
||||
* use in system calls).
|
||||
*/
|
||||
struct hostent {
|
||||
char *h_name; /* official name of host */
|
||||
char **h_aliases; /* alias list */
|
||||
int h_addrtype; /* host address type */
|
||||
int h_length; /* length of address */
|
||||
char **h_addr_list; /* list of addresses from name server */
|
||||
#define h_addr h_addr_list[0] /* address, for backward compatiblity */
|
||||
};
|
||||
|
||||
/*
|
||||
* Assumption here is that a network number
|
||||
* fits in an unsigned long -- probably a poor one.
|
||||
*/
|
||||
struct netent {
|
||||
char *n_name; /* official name of net */
|
||||
char **n_aliases; /* alias list */
|
||||
int n_addrtype; /* net address type */
|
||||
unsigned long n_net; /* network # */
|
||||
};
|
||||
|
||||
struct servent {
|
||||
char *s_name; /* official service name */
|
||||
char **s_aliases; /* alias list */
|
||||
int s_port; /* port # */
|
||||
char *s_proto; /* protocol to use */
|
||||
};
|
||||
|
||||
struct protoent {
|
||||
char *p_name; /* official protocol name */
|
||||
char **p_aliases; /* alias list */
|
||||
int p_proto; /* protocol # */
|
||||
};
|
||||
|
||||
struct addrinfo {
|
||||
int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
|
||||
int ai_family; /* PF_xxx */
|
||||
int ai_socktype; /* SOCK_xxx */
|
||||
int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
|
||||
size_t ai_addrlen; /* length of ai_addr */
|
||||
char *ai_canonname; /* canonical name for hostname */
|
||||
struct sockaddr *ai_addr; /* binary address */
|
||||
struct addrinfo *ai_next; /* next structure in linked list */
|
||||
};
|
||||
|
||||
/*
|
||||
* Error return codes from gethostbyname() and gethostbyaddr()
|
||||
* (left in extern int h_errno).
|
||||
*/
|
||||
|
||||
#define NETDB_INTERNAL -1 /* see errno */
|
||||
#define NETDB_SUCCESS 0 /* no problem */
|
||||
#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
|
||||
#define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
|
||||
#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
|
||||
#define NO_DATA 4 /* Valid name, no data record of requested type */
|
||||
#define NO_ADDRESS NO_DATA /* no address, look for MX record */
|
||||
|
||||
/*
|
||||
* Error return codes from getaddrinfo()
|
||||
*/
|
||||
|
||||
#ifndef EAI_ADDRFAMILY
|
||||
#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
|
||||
#define EAI_AGAIN 2 /* temporary failure in name resolution */
|
||||
#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
|
||||
#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
|
||||
#define EAI_FAMILY 5 /* ai_family not supported */
|
||||
#define EAI_MEMORY 6 /* memory allocation failure */
|
||||
#define EAI_NODATA 7 /* no address associated with hostname */
|
||||
#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
|
||||
#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
|
||||
#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
|
||||
#define EAI_SYSTEM 11 /* system error returned in errno */
|
||||
#define EAI_BADHINTS 12
|
||||
#define EAI_PROTOCOL 13
|
||||
#define EAI_MAX 14
|
||||
#endif
|
||||
#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
|
||||
#define EAI_AGAIN 2 /* temporary failure in name resolution */
|
||||
#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
|
||||
#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
|
||||
#define EAI_FAMILY 5 /* ai_family not supported */
|
||||
#define EAI_MEMORY 6 /* memory allocation failure */
|
||||
#define EAI_NODATA 7 /* no address associated with hostname */
|
||||
#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
|
||||
#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
|
||||
#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
|
||||
#define EAI_SYSTEM 11 /* system error returned in errno */
|
||||
#define EAI_BADHINTS 12
|
||||
#define EAI_PROTOCOL 13
|
||||
#define EAI_MAX 14
|
||||
|
||||
/*
|
||||
* Flag values for getaddrinfo()
|
||||
*/
|
||||
#ifndef AI_PASSIVE
|
||||
#define AI_PASSIVE 0x00000001
|
||||
#define AI_CANONNAME 0x00000002
|
||||
#endif
|
||||
#ifndef AI_NUMERICHOST
|
||||
#define AI_NUMERICHOST 0x00000004
|
||||
#endif
|
||||
#define AI_PASSIVE 0x00000001
|
||||
#define AI_CANONNAME 0x00000002
|
||||
#define AI_NUMERICHOST 0x00000004
|
||||
#define AI_MASK 0x00000007
|
||||
|
||||
/*
|
||||
* Flag values for getipnodebyname()
|
||||
*/
|
||||
#ifndef AI_V4MAPPED
|
||||
#define AI_V4MAPPED 0x00000008
|
||||
#define AI_ALL 0x00000010
|
||||
#define AI_ADDRCONFIG 0x00000020
|
||||
#define AI_DEFAULT (AI_V4MAPPED|AI_ADDRCONFIG)
|
||||
#endif
|
||||
#define AI_V4MAPPED 0x00000008
|
||||
#define AI_ALL 0x00000010
|
||||
#define AI_ADDRCONFIG 0x00000020
|
||||
#define AI_DEFAULT (AI_V4MAPPED|AI_ADDRCONFIG)
|
||||
|
||||
/*
|
||||
* Constants for getnameinfo()
|
||||
*/
|
||||
#ifndef NI_MAXHOST
|
||||
#define NI_MAXHOST 1025
|
||||
#define NI_MAXSERV 32
|
||||
#endif
|
||||
#define NI_MAXHOST 1025
|
||||
#define NI_MAXSERV 32
|
||||
|
||||
/*
|
||||
* Flag values for getnameinfo()
|
||||
*/
|
||||
#ifndef NI_NOFQDN
|
||||
#define NI_NOFQDN 0x00000001
|
||||
#define NI_NUMERICHOST 0x00000002
|
||||
#define NI_NAMEREQD 0x00000004
|
||||
#define NI_NUMERICSERV 0x00000008
|
||||
#define NI_DGRAM 0x00000010
|
||||
#endif
|
||||
#define NI_NOFQDN 0x00000001
|
||||
#define NI_NUMERICHOST 0x00000002
|
||||
#define NI_NAMEREQD 0x00000004
|
||||
#define NI_NUMERICSERV 0x00000008
|
||||
#define NI_DGRAM 0x00000010
|
||||
|
||||
#ifdef ISC_LWRES_GETADDRINFOPROTO
|
||||
int
|
||||
getaddrinfo(const char *hostname, const char *servname,
|
||||
const struct addrinfo *hints, struct addrinfo **res);
|
||||
/*
|
||||
* Define to map into lwres_ namespace.
|
||||
*/
|
||||
|
||||
void
|
||||
freeaddrinfo(struct addrinfo *ai);
|
||||
#endif
|
||||
#define LWRES_NAMESPACE
|
||||
|
||||
#ifdef ISC_LWRES_GETNAMEINFOPROTO
|
||||
int
|
||||
getnameinfo(const struct sockaddr *sa, size_t salen, char *host,
|
||||
size_t hostlen, char *serv, size_t servlen, int flags);
|
||||
#endif
|
||||
#ifdef LWRES_NAMESPACE
|
||||
|
||||
#ifdef ISC_LWRES_GETIPNODEPROTO
|
||||
struct hostent *
|
||||
getipnodebyname(const char *name, int af, int flags, int *error_num);
|
||||
#define getnameinfo lwres_getnameinfo
|
||||
#define getaddrinfo lwres_getaddrinfo
|
||||
#define freeaddrinfo lwres_freeaddrinfo
|
||||
#define gai_strerror lwres_gai_strerror
|
||||
|
||||
struct hostent *
|
||||
getipnodebyaddr(const void *src, size_t len, int af, int *error_num);
|
||||
#define herror lwres_herror
|
||||
#define hstrerror lwres_hstrerror
|
||||
|
||||
void
|
||||
freehostent(struct hostent *);
|
||||
#endif
|
||||
#define getipnodebyname lwres_getipnodebyname
|
||||
#define getipnodebyaddr lwres_getipnodebyaddr
|
||||
#define freehostent lwres_freehostent
|
||||
|
||||
#define gethostbyname lwres_gethostbyname
|
||||
#define gethostbyname2 lwres_gethostbyname2
|
||||
#define gethostbyaddr lwres_gethostbyaddr
|
||||
#define gethostent lwres_gethostent
|
||||
#define sethostent lwres_sethostent
|
||||
#define endhostent lwres_endhostent
|
||||
/* #define sethostfile lwres_sethostfile */
|
||||
|
||||
#define gethostbyname_r lwres_gethostbyname_r
|
||||
#define gethostbyaddr_r lwres_gethostbyaddr_r
|
||||
#define gethostent_r lwres_gethostent_r
|
||||
#define sethostent_r lwres_sethostent_r
|
||||
#define endhostent_r lwres_endhostent_r
|
||||
|
||||
#define getservbyname lwres_getservbyname
|
||||
#define getservbyport lwres_getservbyport
|
||||
#define getservent lwres_getservent
|
||||
#define setservent lwres_setservent
|
||||
#define endservent lwres_endservent
|
||||
|
||||
#define getservbyname_r lwres_getservbyname_r
|
||||
#define getservbyport_r lwres_getservbyport_r
|
||||
#define getservent_r lwres_getservent_r
|
||||
#define setservent_r lwres_setservent_r
|
||||
#define endservent_r lwres_endservent_r
|
||||
|
||||
#define getprotobyname lwres_getprotobyname
|
||||
#define getprotobynumber lwres_getprotobynumber
|
||||
#define getprotoent lwres_getprotoent
|
||||
#define setprotoent lwres_setprotoent
|
||||
#define endprotoent lwres_endprotoent
|
||||
|
||||
#define getprotobyname_r lwres_getprotobyname_r
|
||||
#define getprotobynumber_r lwres_getprotobynumber_r
|
||||
#define getprotoent_r lwres_getprotoent_r
|
||||
#define setprotoent_r lwres_setprotoent_r
|
||||
#define endprotoent_r lwres_endprotoent_r
|
||||
|
||||
#define getnetbyname lwres_getnetbyname
|
||||
#define getnetbyaddr lwres_getnetbyaddr
|
||||
#define getnetent lwres_getnetent
|
||||
#define setnetent lwres_setnetent
|
||||
#define endnetent lwres_endnetent
|
||||
|
||||
#define getnetbyname_r lwres_getnetbyname_r
|
||||
#define getnetbyaddr_r lwres_getnetbyaddr_r
|
||||
#define getnetent_r lwres_getnetent_r
|
||||
#define setnetent_r lwres_setnetent_r
|
||||
#define endnetent_r lwres_endnetent_r
|
||||
|
||||
#define h_errno lwres_h_errno
|
||||
|
||||
#endif
|
||||
|
||||
extern int h_errno;
|
||||
|
||||
__BEGIN_DECLS
|
||||
void endhostent __P((void));
|
||||
void endnetent __P((void));
|
||||
void endprotoent __P((void));
|
||||
void endservent __P((void));
|
||||
struct hostent *gethostbyaddr __P((const char *, int, int));
|
||||
struct hostent *gethostbyname __P((const char *));
|
||||
struct hostent *gethostbyname2 __P((const char *, int));
|
||||
struct hostent *gethostent __P((void));
|
||||
struct netent *getnetbyaddr __P((unsigned long, int));
|
||||
struct netent *getnetbyname __P((const char *));
|
||||
struct netent *getnetent __P((void));
|
||||
struct protoent *getprotobyname __P((const char *));
|
||||
struct protoent *getprotobynumber __P((int));
|
||||
struct protoent *getprotoent __P((void));
|
||||
struct servent *getservbyname __P((const char *, const char *));
|
||||
struct servent *getservbyport __P((int, const char *));
|
||||
struct servent *getservent __P((void));
|
||||
void herror __P((const char *));
|
||||
const char *hstrerror __P((int));
|
||||
void sethostent __P((int));
|
||||
/* void sethostfile __P((const char *)); */
|
||||
void setnetent __P((int));
|
||||
void setprotoent __P((int));
|
||||
void setservent __P((int));
|
||||
int getaddrinfo __P((const char *, const char *,
|
||||
const struct addrinfo *, struct addrinfo **));
|
||||
int getnameinfo __P((const struct sockaddr *, size_t, char *,
|
||||
size_t, char *, size_t, int));
|
||||
void freeaddrinfo __P((struct addrinfo *));
|
||||
char *gai_strerror __P((int));
|
||||
struct hostent *getipnodebyname __P((const char *, int, int, int *));
|
||||
struct hostent *getipnodebyaddr __P((const void *, size_t, int, int *));
|
||||
void freehostent __P((struct hostent *));
|
||||
|
||||
|
||||
#ifdef _REENTRANT
|
||||
struct hostent *gethostbyaddr_r __P((const char *, int, int, struct hostent *,
|
||||
char *, int, int *));
|
||||
struct hostent *gethostbyname_r __P((const char *, struct hostent *,
|
||||
char *, int, int *));
|
||||
struct hostent *gethostent_r __P((struct hostent *, char *, int, int *));
|
||||
void sethostent_r __P((int));
|
||||
void endhostent_r __P((void));
|
||||
|
||||
struct netent *getnetbyname_r __P((const char *, struct netent *,
|
||||
char *, int));
|
||||
struct netent *getnetbyaddr_r __P((long, int, struct netent *,
|
||||
char *, int));
|
||||
struct netent *getnetent_r __P((struct netent *, char *, int));
|
||||
void setnetent_r __P((int));
|
||||
void endnetent_r __P((void));
|
||||
|
||||
struct protoent *getprotobyname_r __P((const char *,
|
||||
struct protoent *, char *, int));
|
||||
struct protoent *getprotobynumber_r __P((int,
|
||||
struct protoent *, char *, int));
|
||||
struct protoent *getprotoent_r __P((struct protoent *, char *, int));
|
||||
void setprotoent_r __P((int));
|
||||
void endprotoent_r __P((void));
|
||||
|
||||
struct servent *getservbyname_r __P((const char *name, const char *,
|
||||
struct servent *, char *, int));
|
||||
struct servent *getservbyport_r __P((int port, const char *,
|
||||
struct servent *, char *, int));
|
||||
struct servent *getservent_r __P((struct servent *, char *, int));
|
||||
void setservent_r __P((int));
|
||||
void endservent_r __P((void));
|
||||
#endif
|
||||
__END_DECLS
|
||||
|
||||
/* This is nec'y to make this include file properly replace the sun version. */
|
||||
#ifdef sun
|
||||
#ifdef __GNU_LIBRARY__
|
||||
#include <rpc/netdb.h>
|
||||
#else
|
||||
struct rpcent {
|
||||
char *r_name; /* name of server for this rpc program */
|
||||
char **r_aliases; /* alias list */
|
||||
int r_number; /* rpc program number */
|
||||
};
|
||||
struct rpcent *getrpcbyname(), *getrpcbynumber(), *getrpcent();
|
||||
#endif /* __GNU_LIBRARY__ */
|
||||
#endif /* sun */
|
||||
#endif
|
||||
|
|
|
|||
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Reference in a new issue