MOBJ2=encodeh.o decodeh.o encoded.o decoded.o lengthd.o encodeq.o \
decodeq.o lengthq.o encodea.o decodea.o encodep.o decodep.o \
formquery.o dnslookup.o resolveaddress.o resolvemailbox.o \
- opennameservers.o closenameservers.o resolvename.o gethostbyname.o \
- gethostbyaddr.o res_init.o res_query.o getnetbyname.o \
- read_etc_hosts.o get_hosts_byname.o get_hosts_byaddr.o
+ opennameservers.o closenameservers.o resolvename.o gethostbyname.o\
+ gethostbyaddr.o get_hosts_byname.o get_hosts_byaddr.o read_etc_hosts.o
MSRC3=socketcalls.c
MOBJ3= accept.o bind.o connect.o getpeername.o getsockname.o getsockopt.o \
listen.o recv.o recvfrom.o recvmsg.o send.o sendmsg.o sendto.o \
setsockopt.o shutdown.o socket.o socketpair.o
-CSRC =getservice.c getproto.c hostid.c
+CSRC =getservice.c getproto.c hostid.c getnetent.c getnetbynm.c getnetbyad.c \
+ herror.c inet_net.c
+
COBJS=$(patsubst %.c,%.o, $(CSRC))
OBJS=$(MOBJ) $(MOBJ2) $(MOBJ3) $(COBJS)
--- /dev/null
+/*
+ * Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include <netdb.h>
+
+extern int _net_stayopen;
+
+struct netent *
+getnetbyaddr(net, type)
+ register long net;
+ register int type;
+{
+ register struct netent *p;
+
+ setnetent(_net_stayopen);
+ while ((p = getnetent()))
+ if (p->n_addrtype == type && p->n_net == net)
+ break;
+ if (!_net_stayopen)
+ endnetent();
+ return (p);
+}
--- /dev/null
+/*
+ * Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include <netdb.h>
+#include <string.h>
+
+extern int _net_stayopen;
+
+struct netent *
+getnetbyname(const char *name)
+{
+ register struct netent *p;
+ register char **cp;
+
+ setnetent(_net_stayopen);
+ while ((p = getnetent())) {
+ if (strcmp(p->n_name, name) == 0)
+ break;
+ for (cp = p->n_aliases; *cp != 0; cp++)
+ if (strcmp(*cp, name) == 0)
+ goto found;
+ }
+found:
+ if (!_net_stayopen)
+ endnetent();
+ return (p);
+}
--- /dev/null
+/*
+ * Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include <stdio.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+
+#define MAXALIASES 35
+
+static const char NETDB[] = _PATH_NETWORKS;
+static FILE *netf = NULL;
+static char line[BUFSIZ+1];
+static struct netent net;
+static char *net_aliases[MAXALIASES];
+static char *any(char *, char *);
+
+int _net_stayopen;
+
+void
+setnetent(f)
+ int f;
+{
+ if (netf == NULL)
+ netf = fopen(NETDB, "r" );
+ else
+ rewind(netf);
+ _net_stayopen |= f;
+}
+
+void
+endnetent()
+{
+ if (netf) {
+ fclose(netf);
+ netf = NULL;
+ }
+ _net_stayopen = 0;
+}
+
+struct netent *
+getnetent()
+{
+ char *p;
+ register char *cp, **q;
+
+ if (netf == NULL && (netf = fopen(NETDB, "r" )) == NULL)
+ return (NULL);
+again:
+ p = fgets(line, BUFSIZ, netf);
+ if (p == NULL)
+ return (NULL);
+ if (*p == '#')
+ goto again;
+ cp = any(p, "#\n");
+ if (cp == NULL)
+ goto again;
+ *cp = '\0';
+ net.n_name = p;
+ cp = any(p, " \t");
+ if (cp == NULL)
+ goto again;
+ *cp++ = '\0';
+ while (*cp == ' ' || *cp == '\t')
+ cp++;
+ p = any(cp, " \t");
+ if (p != NULL)
+ *p++ = '\0';
+ net.n_net = inet_network(cp);
+ net.n_addrtype = AF_INET;
+ q = net.n_aliases = net_aliases;
+ if (p != NULL)
+ cp = p;
+ while (cp && *cp) {
+ if (*cp == ' ' || *cp == '\t') {
+ cp++;
+ continue;
+ }
+ if (q < &net_aliases[MAXALIASES - 1])
+ *q++ = cp;
+ cp = any(cp, " \t");
+ if (cp != NULL)
+ *cp++ = '\0';
+ }
+ *q = NULL;
+ return (&net);
+}
+
+static char *
+any(cp, match)
+ register char *cp;
+ char *match;
+{
+ register char *mp, c;
+
+ while ((c = *cp)) {
+ for (mp = match; *mp; mp++)
+ if (*mp == c)
+ return (cp);
+ cp++;
+ }
+ return ((char *)0);
+}
--- /dev/null
+/*
+ * Copyright (c) 1987 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that: (1) source distributions retain this entire copyright
+ * notice and comment, and (2) distributions including binaries display
+ * the following acknowledgement: ``This product includes software
+ * developed by the University of California, Berkeley and its contributors''
+ * in the documentation or other materials provided with the distribution
+ * and in all advertising materials mentioning features or use of this
+ * software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <netdb.h>
+
+static const char *const h_errlist[] = {
+ "Error 0",
+ "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 const 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)
+{
+ static const char colon_space[] = ": ";
+ const char *p;
+ const char *c;
+
+ c = colon_space;
+ if (!s || !*s) {
+ c += 2;
+ }
+ p = "Unknown error";
+ if ((h_errno >= 0) && (h_errno < h_nerr)) {
+ p = h_errlist[h_errno];
+ }
+ fprintf(stderr, "%s%s%s\n", s, c, p);
+}
--- /dev/null
+/*
+ * Copyright (c) 1983, 1993
+ * The Regents of the University of California. All rights reserved.
+ * 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.
+ */
+
+#include <ctype.h>
+#include <netinet/in.h>
+
+/*
+ * Internet network address interpretation routine.
+ * The library routines call this routine to interpret
+ * network numbers.
+ */
+u_int32_t
+inet_network(const char *cp)
+{
+ register u_long val, base, n;
+ register char c;
+ u_long parts[4], *pp = parts;
+ register int i;
+
+again:
+ /*
+ * Collect number up to ``.''.
+ * Values are specified as for C:
+ * 0x=hex, 0=octal, other=decimal.
+ */
+ val = 0; base = 10;
+ /*
+ * The 4.4BSD version of this file also accepts 'x__' as a hexa
+ * number. I don't think this is correct. -- Uli
+ */
+ if (*cp == '0') {
+ if (*++cp == 'x' || *cp == 'X')
+ base = 16, cp++;
+ else
+ base = 8;
+ }
+ while ((c = *cp)) {
+ if (isdigit(c)) {
+ val = (val * base) + (c - '0');
+ cp++;
+ continue;
+ }
+ if (base == 16 && isxdigit(c)) {
+ val = (val << 4) + (c + 10 - (islower(c) ? 'a' : 'A'));
+ cp++;
+ continue;
+ }
+ break;
+ }
+ if (*cp == '.') {
+ if (pp >= parts + 4)
+ return (INADDR_NONE);
+ *pp++ = val, cp++;
+ goto again;
+ }
+ if (*cp && !isspace(*cp))
+ return (INADDR_NONE);
+ *pp++ = val;
+ n = pp - parts;
+ if (n > 4)
+ return (INADDR_NONE);
+ for (val = 0, i = 0; i < n; i++) {
+ val <<= 8;
+ val |= parts[i] & 0xff;
+ }
+ return (val);
+}
OSDN Git Service
