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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /inet
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initial import
Diffstat (limited to 'inet')
-rw-r--r--inet/Makefile36
-rw-r--r--inet/arpa/ftp.h109
-rw-r--r--inet/arpa/inet.h53
-rw-r--r--inet/arpa/telnet.h320
-rw-r--r--inet/arpa/tftp.h80
-rw-r--r--inet/getproto.c55
-rw-r--r--inet/getprtent.c119
-rw-r--r--inet/getprtname.c62
-rw-r--r--inet/getservent.c121
-rw-r--r--inet/getsrvbynm.c65
-rw-r--r--inet/getsrvbypt.c60
-rw-r--r--inet/inet_addr.c152
-rw-r--r--inet/inet_lnaof.c59
-rw-r--r--inet/inet_mkadr.c62
-rw-r--r--inet/inet_net.c93
-rw-r--r--inet/inet_netof.c58
-rw-r--r--inet/inet_ntoa.c59
-rw-r--r--inet/netdb.h147
-rw-r--r--inet/netinet/in.h198
-rw-r--r--inet/protocols/routed.h104
-rw-r--r--inet/protocols/rwhod.h68
-rw-r--r--inet/protocols/talkd.h114
-rw-r--r--inet/protocols/timed.h99
-rw-r--r--inet/rcmd.c414
-rw-r--r--inet/rexec.c146
25 files changed, 2853 insertions, 0 deletions
diff --git a/inet/Makefile b/inet/Makefile
new file mode 100644
index 0000000..aaa9880
--- /dev/null
+++ b/inet/Makefile
@@ -0,0 +1,36 @@
+# Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public License as
+# published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version.
+
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Library General Public License for more details.
+
+# You should have received a copy of the GNU Library General Public
+# License along with the GNU C Library; see the file COPYING.LIB. If
+# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+# Cambridge, MA 02139, USA.
+
+#
+# Sub-makefile for inet portion of the library.
+#
+subdir := inet
+
+headers := netinet/in.h $(wildcard arpa/*.h protocols/*.h) netdb.h
+
+routines := ntohl ntohs htonl htons \
+ inet_addr inet_lnaof inet_mkadr \
+ inet_netof inet_ntoa inet_net \
+ getproto getprtent getprtname \
+ getsrvbynm getsrvbypt getservent \
+ rcmd rexec
+
+# No warnings about losing BSD code.
+override +gccwarn := -w
+
+include ../Rules
diff --git a/inet/arpa/ftp.h b/inet/arpa/ftp.h
new file mode 100644
index 0000000..64532b9
--- /dev/null
+++ b/inet/arpa/ftp.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 1983, 1989, 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.
+ *
+ * @(#)ftp.h 8.1 (Berkeley) 6/2/93
+ */
+
+#ifndef _FTP_H_
+#define _FTP_H_
+
+/* Definitions for FTP; see RFC-765. */
+
+/*
+ * Reply codes.
+ */
+#define PRELIM 1 /* positive preliminary */
+#define COMPLETE 2 /* positive completion */
+#define CONTINUE 3 /* positive intermediate */
+#define TRANSIENT 4 /* transient negative completion */
+#define ERROR 5 /* permanent negative completion */
+
+/*
+ * Type codes
+ */
+#define TYPE_A 1 /* ASCII */
+#define TYPE_E 2 /* EBCDIC */
+#define TYPE_I 3 /* image */
+#define TYPE_L 4 /* local byte size */
+
+#ifdef FTP_NAMES
+char *typenames[] = {"0", "ASCII", "EBCDIC", "Image", "Local" };
+#endif
+
+/*
+ * Form codes
+ */
+#define FORM_N 1 /* non-print */
+#define FORM_T 2 /* telnet format effectors */
+#define FORM_C 3 /* carriage control (ASA) */
+#ifdef FTP_NAMES
+char *formnames[] = {"0", "Nonprint", "Telnet", "Carriage-control" };
+#endif
+
+/*
+ * Structure codes
+ */
+#define STRU_F 1 /* file (no record structure) */
+#define STRU_R 2 /* record structure */
+#define STRU_P 3 /* page structure */
+#ifdef FTP_NAMES
+char *strunames[] = {"0", "File", "Record", "Page" };
+#endif
+
+/*
+ * Mode types
+ */
+#define MODE_S 1 /* stream */
+#define MODE_B 2 /* block */
+#define MODE_C 3 /* compressed */
+#ifdef FTP_NAMES
+char *modenames[] = {"0", "Stream", "Block", "Compressed" };
+#endif
+
+/*
+ * Record Tokens
+ */
+#define REC_ESC '\377' /* Record-mode Escape */
+#define REC_EOR '\001' /* Record-mode End-of-Record */
+#define REC_EOF '\002' /* Record-mode End-of-File */
+
+/*
+ * Block Header
+ */
+#define BLK_EOR 0x80 /* Block is End-of-Record */
+#define BLK_EOF 0x40 /* Block is End-of-File */
+#define BLK_ERRORS 0x20 /* Block is suspected of containing errors */
+#define BLK_RESTART 0x10 /* Block is Restart Marker */
+
+#define BLK_BYTECOUNT 2 /* Bytes in this block */
+
+#endif /* !_FTP_H_ */
diff --git a/inet/arpa/inet.h b/inet/arpa/inet.h
new file mode 100644
index 0000000..a231484
--- /dev/null
+++ b/inet/arpa/inet.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 1983, 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.
+ *
+ * @(#)inet.h 8.1 (Berkeley) 6/2/93
+ */
+
+#ifndef _INET_H_
+#define _INET_H_
+
+/* External definitions for functions in inet(3) */
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+unsigned long inet_addr __P((const char *));
+int inet_aton __P((const char *, struct in_addr *));
+unsigned long inet_lnaof __P((struct in_addr));
+struct in_addr inet_makeaddr __P((u_long , u_long));
+unsigned long inet_netof __P((struct in_addr));
+unsigned long inet_network __P((const char *));
+char *inet_ntoa __P((struct in_addr));
+__END_DECLS
+
+#endif /* !_INET_H_ */
diff --git a/inet/arpa/telnet.h b/inet/arpa/telnet.h
new file mode 100644
index 0000000..10155a8
--- /dev/null
+++ b/inet/arpa/telnet.h
@@ -0,0 +1,320 @@
+/*
+ * Copyright (c) 1983, 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.
+ *
+ * @(#)telnet.h 8.2 (Berkeley) 12/15/93
+ */
+
+#ifndef _TELNET_H_
+#define _TELNET_H_
+
+/*
+ * Definitions for the TELNET protocol.
+ */
+#define IAC 255 /* interpret as command: */
+#define DONT 254 /* you are not to use option */
+#define DO 253 /* please, you use option */
+#define WONT 252 /* I won't use option */
+#define WILL 251 /* I will use option */
+#define SB 250 /* interpret as subnegotiation */
+#define GA 249 /* you may reverse the line */
+#define EL 248 /* erase the current line */
+#define EC 247 /* erase the current character */
+#define AYT 246 /* are you there */
+#define AO 245 /* abort output--but let prog finish */
+#define IP 244 /* interrupt process--permanently */
+#define BREAK 243 /* break */
+#define DM 242 /* data mark--for connect. cleaning */
+#define NOP 241 /* nop */
+#define SE 240 /* end sub negotiation */
+#define EOR 239 /* end of record (transparent mode) */
+#define ABORT 238 /* Abort process */
+#define SUSP 237 /* Suspend process */
+#define xEOF 236 /* End of file: EOF is already used... */
+
+#define SYNCH 242 /* for telfunc calls */
+
+#ifdef TELCMDS
+char *telcmds[] = {
+ "EOF", "SUSP", "ABORT", "EOR",
+ "SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC",
+ "EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC", 0,
+};
+#else
+extern char *telcmds[];
+#endif
+
+#define TELCMD_FIRST xEOF
+#define TELCMD_LAST IAC
+#define TELCMD_OK(x) ((unsigned int)(x) <= TELCMD_LAST && \
+ (unsigned int)(x) >= TELCMD_FIRST)
+#define TELCMD(x) telcmds[(x)-TELCMD_FIRST]
+
+/* telnet options */
+#define TELOPT_BINARY 0 /* 8-bit data path */
+#define TELOPT_ECHO 1 /* echo */
+#define TELOPT_RCP 2 /* prepare to reconnect */
+#define TELOPT_SGA 3 /* suppress go ahead */
+#define TELOPT_NAMS 4 /* approximate message size */
+#define TELOPT_STATUS 5 /* give status */
+#define TELOPT_TM 6 /* timing mark */
+#define TELOPT_RCTE 7 /* remote controlled transmission and echo */
+#define TELOPT_NAOL 8 /* negotiate about output line width */
+#define TELOPT_NAOP 9 /* negotiate about output page size */
+#define TELOPT_NAOCRD 10 /* negotiate about CR disposition */
+#define TELOPT_NAOHTS 11 /* negotiate about horizontal tabstops */
+#define TELOPT_NAOHTD 12 /* negotiate about horizontal tab disposition */
+#define TELOPT_NAOFFD 13 /* negotiate about formfeed disposition */
+#define TELOPT_NAOVTS 14 /* negotiate about vertical tab stops */
+#define TELOPT_NAOVTD 15 /* negotiate about vertical tab disposition */
+#define TELOPT_NAOLFD 16 /* negotiate about output LF disposition */
+#define TELOPT_XASCII 17 /* extended ascic character set */
+#define TELOPT_LOGOUT 18 /* force logout */
+#define TELOPT_BM 19 /* byte macro */
+#define TELOPT_DET 20 /* data entry terminal */
+#define TELOPT_SUPDUP 21 /* supdup protocol */
+#define TELOPT_SUPDUPOUTPUT 22 /* supdup output */
+#define TELOPT_SNDLOC 23 /* send location */
+#define TELOPT_TTYPE 24 /* terminal type */
+#define TELOPT_EOR 25 /* end or record */
+#define TELOPT_TUID 26 /* TACACS user identification */
+#define TELOPT_OUTMRK 27 /* output marking */
+#define TELOPT_TTYLOC 28 /* terminal location number */
+#define TELOPT_3270REGIME 29 /* 3270 regime */
+#define TELOPT_X3PAD 30 /* X.3 PAD */
+#define TELOPT_NAWS 31 /* window size */
+#define TELOPT_TSPEED 32 /* terminal speed */
+#define TELOPT_LFLOW 33 /* remote flow control */
+#define TELOPT_LINEMODE 34 /* Linemode option */
+#define TELOPT_XDISPLOC 35 /* X Display Location */
+#define TELOPT_OLD_ENVIRON 36 /* Old - Environment variables */
+#define TELOPT_AUTHENTICATION 37/* Authenticate */
+#define TELOPT_ENCRYPT 38 /* Encryption option */
+#define TELOPT_NEW_ENVIRON 39 /* New - Environment variables */
+#define TELOPT_EXOPL 255 /* extended-options-list */
+
+
+#define NTELOPTS (1+TELOPT_NEW_ENVIRON)
+#ifdef TELOPTS
+char *telopts[NTELOPTS+1] = {
+ "BINARY", "ECHO", "RCP", "SUPPRESS GO AHEAD", "NAME",
+ "STATUS", "TIMING MARK", "RCTE", "NAOL", "NAOP",
+ "NAOCRD", "NAOHTS", "NAOHTD", "NAOFFD", "NAOVTS",
+ "NAOVTD", "NAOLFD", "EXTEND ASCII", "LOGOUT", "BYTE MACRO",
+ "DATA ENTRY TERMINAL", "SUPDUP", "SUPDUP OUTPUT",
+ "SEND LOCATION", "TERMINAL TYPE", "END OF RECORD",
+ "TACACS UID", "OUTPUT MARKING", "TTYLOC",
+ "3270 REGIME", "X.3 PAD", "NAWS", "TSPEED", "LFLOW",
+ "LINEMODE", "XDISPLOC", "OLD-ENVIRON", "AUTHENTICATION",
+ "ENCRYPT", "NEW-ENVIRON",
+ 0,
+};
+#define TELOPT_FIRST TELOPT_BINARY
+#define TELOPT_LAST TELOPT_NEW_ENVIRON
+#define TELOPT_OK(x) ((unsigned int)(x) <= TELOPT_LAST)
+#define TELOPT(x) telopts[(x)-TELOPT_FIRST]
+#endif
+
+/* sub-option qualifiers */
+#define TELQUAL_IS 0 /* option is... */
+#define TELQUAL_SEND 1 /* send option */
+#define TELQUAL_INFO 2 /* ENVIRON: informational version of IS */
+#define TELQUAL_REPLY 2 /* AUTHENTICATION: client version of IS */
+#define TELQUAL_NAME 3 /* AUTHENTICATION: client version of IS */
+
+#define LFLOW_OFF 0 /* Disable remote flow control */
+#define LFLOW_ON 1 /* Enable remote flow control */
+#define LFLOW_RESTART_ANY 2 /* Restart output on any char */
+#define LFLOW_RESTART_XON 3 /* Restart output only on XON */
+
+/*
+ * LINEMODE suboptions
+ */
+
+#define LM_MODE 1
+#define LM_FORWARDMASK 2
+#define LM_SLC 3
+
+#define MODE_EDIT 0x01
+#define MODE_TRAPSIG 0x02
+#define MODE_ACK 0x04
+#define MODE_SOFT_TAB 0x08
+#define MODE_LIT_ECHO 0x10
+
+#define MODE_MASK 0x1f
+
+/* Not part of protocol, but needed to simplify things... */
+#define MODE_FLOW 0x0100
+#define MODE_ECHO 0x0200
+#define MODE_INBIN 0x0400
+#define MODE_OUTBIN 0x0800
+#define MODE_FORCE 0x1000
+
+#define SLC_SYNCH 1
+#define SLC_BRK 2
+#define SLC_IP 3
+#define SLC_AO 4
+#define SLC_AYT 5
+#define SLC_EOR 6
+#define SLC_ABORT 7
+#define SLC_EOF 8
+#define SLC_SUSP 9
+#define SLC_EC 10
+#define SLC_EL 11
+#define SLC_EW 12
+#define SLC_RP 13
+#define SLC_LNEXT 14
+#define SLC_XON 15
+#define SLC_XOFF 16
+#define SLC_FORW1 17
+#define SLC_FORW2 18
+
+#define NSLC 18
+
+/*
+ * For backwards compatability, we define SLC_NAMES to be the
+ * list of names if SLC_NAMES is not defined.
+ */
+#define SLC_NAMELIST "0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", \
+ "ABORT", "EOF", "SUSP", "EC", "EL", "EW", "RP", \
+ "LNEXT", "XON", "XOFF", "FORW1", "FORW2", 0,
+#ifdef SLC_NAMES
+char *slc_names[] = {
+ SLC_NAMELIST
+};
+#else
+extern char *slc_names[];
+#define SLC_NAMES SLC_NAMELIST
+#endif
+
+#define SLC_NAME_OK(x) ((unsigned int)(x) <= NSLC)
+#define SLC_NAME(x) slc_names[x]
+
+#define SLC_NOSUPPORT 0
+#define SLC_CANTCHANGE 1
+#define SLC_VARIABLE 2
+#define SLC_DEFAULT 3
+#define SLC_LEVELBITS 0x03
+
+#define SLC_FUNC 0
+#define SLC_FLAGS 1
+#define SLC_VALUE 2
+
+#define SLC_ACK 0x80
+#define SLC_FLUSHIN 0x40
+#define SLC_FLUSHOUT 0x20
+
+#define OLD_ENV_VAR 1
+#define OLD_ENV_VALUE 0
+#define NEW_ENV_VAR 0
+#define NEW_ENV_VALUE 1
+#define ENV_ESC 2
+#define ENV_USERVAR 3
+
+/*
+ * AUTHENTICATION suboptions
+ */
+
+/*
+ * Who is authenticating who ...
+ */
+#define AUTH_WHO_CLIENT 0 /* Client authenticating server */
+#define AUTH_WHO_SERVER 1 /* Server authenticating client */
+#define AUTH_WHO_MASK 1
+
+/*
+ * amount of authentication done
+ */
+#define AUTH_HOW_ONE_WAY 0
+#define AUTH_HOW_MUTUAL 2
+#define AUTH_HOW_MASK 2
+
+#define AUTHTYPE_NULL 0
+#define AUTHTYPE_KERBEROS_V4 1
+#define AUTHTYPE_KERBEROS_V5 2
+#define AUTHTYPE_SPX 3
+#define AUTHTYPE_MINK 4
+#define AUTHTYPE_CNT 5
+
+#define AUTHTYPE_TEST 99
+
+#ifdef AUTH_NAMES
+char *authtype_names[] = {
+ "NULL", "KERBEROS_V4", "KERBEROS_V5", "SPX", "MINK", 0,
+};
+#else
+extern char *authtype_names[];
+#endif
+
+#define AUTHTYPE_NAME_OK(x) ((unsigned int)(x) < AUTHTYPE_CNT)
+#define AUTHTYPE_NAME(x) authtype_names[x]
+
+/*
+ * ENCRYPTion suboptions
+ */
+#define ENCRYPT_IS 0 /* I pick encryption type ... */
+#define ENCRYPT_SUPPORT 1 /* I support encryption types ... */
+#define ENCRYPT_REPLY 2 /* Initial setup response */
+#define ENCRYPT_START 3 /* Am starting to send encrypted */
+#define ENCRYPT_END 4 /* Am ending encrypted */
+#define ENCRYPT_REQSTART 5 /* Request you start encrypting */
+#define ENCRYPT_REQEND 6 /* Request you send encrypting */
+#define ENCRYPT_ENC_KEYID 7
+#define ENCRYPT_DEC_KEYID 8
+#define ENCRYPT_CNT 9
+
+#define ENCTYPE_ANY 0
+#define ENCTYPE_DES_CFB64 1
+#define ENCTYPE_DES_OFB64 2
+#define ENCTYPE_CNT 3
+
+#ifdef ENCRYPT_NAMES
+char *encrypt_names[] = {
+ "IS", "SUPPORT", "REPLY", "START", "END",
+ "REQUEST-START", "REQUEST-END", "ENC-KEYID", "DEC-KEYID",
+ 0,
+};
+char *enctype_names[] = {
+ "ANY", "DES_CFB64", "DES_OFB64", 0,
+};
+#else
+extern char *encrypt_names[];
+extern char *enctype_names[];
+#endif
+
+
+#define ENCRYPT_NAME_OK(x) ((unsigned int)(x) < ENCRYPT_CNT)
+#define ENCRYPT_NAME(x) encrypt_names[x]
+
+#define ENCTYPE_NAME_OK(x) ((unsigned int)(x) < ENCTYPE_CNT)
+#define ENCTYPE_NAME(x) enctype_names[x]
+
+#endif /* !_TELNET_H_ */
diff --git a/inet/arpa/tftp.h b/inet/arpa/tftp.h
new file mode 100644
index 0000000..0367200
--- /dev/null
+++ b/inet/arpa/tftp.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 1983, 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.
+ *
+ * @(#)tftp.h 8.1 (Berkeley) 6/2/93
+ */
+
+#ifndef _TFTP_H_
+#define _TFTP_H_
+
+/*
+ * Trivial File Transfer Protocol (IEN-133)
+ */
+#define SEGSIZE 512 /* data segment size */
+
+/*
+ * Packet types.
+ */
+#define RRQ 01 /* read request */
+#define WRQ 02 /* write request */
+#define DATA 03 /* data packet */
+#define ACK 04 /* acknowledgement */
+#define ERROR 05 /* error code */
+
+struct tftphdr {
+ short th_opcode; /* packet type */
+ union {
+ short tu_block; /* block # */
+ short tu_code; /* error code */
+ char tu_stuff[1]; /* request packet stuff */
+ } th_u;
+ char th_data[1]; /* data or error string */
+};
+
+#define th_block th_u.tu_block
+#define th_code th_u.tu_code
+#define th_stuff th_u.tu_stuff
+#define th_msg th_data
+
+/*
+ * Error codes.
+ */
+#define EUNDEF 0 /* not defined */
+#define ENOTFOUND 1 /* file not found */
+#define EACCESS 2 /* access violation */
+#define ENOSPACE 3 /* disk full or allocation exceeded */
+#define EBADOP 4 /* illegal TFTP operation */
+#define EBADID 5 /* unknown transfer ID */
+#define EEXISTS 6 /* file already exists */
+#define ENOUSER 7 /* no such user */
+
+#endif /* !_TFTP_H_ */
diff --git a/inet/getproto.c b/inet/getproto.c
new file mode 100644
index 0000000..92f562b
--- /dev/null
+++ b/inet/getproto.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getproto.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <netdb.h>
+
+extern int _proto_stayopen;
+
+struct protoent *
+getprotobynumber(proto)
+ register int proto;
+{
+ register struct protoent *p;
+
+ setprotoent(_proto_stayopen);
+ while (p = getprotoent())
+ if (p->p_proto == proto)
+ break;
+ if (!_proto_stayopen)
+ endprotoent();
+ return (p);
+}
diff --git a/inet/getprtent.c b/inet/getprtent.c
new file mode 100644
index 0000000..c10ae33
--- /dev/null
+++ b/inet/getprtent.c
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getprotoent.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAXALIASES 35
+
+static FILE *protof = NULL;
+static char line[BUFSIZ+1];
+static struct protoent proto;
+static char *proto_aliases[MAXALIASES];
+int _proto_stayopen;
+
+void
+setprotoent(f)
+ int f;
+{
+ if (protof == NULL)
+ protof = fopen(_PATH_PROTOCOLS, "r" );
+ else
+ rewind(protof);
+ _proto_stayopen |= f;
+}
+
+void
+endprotoent()
+{
+ if (protof) {
+ fclose(protof);
+ protof = NULL;
+ }
+ _proto_stayopen = 0;
+}
+
+struct protoent *
+getprotoent()
+{
+ char *p;
+ register char *cp, **q;
+
+ if (protof == NULL && (protof = fopen(_PATH_PROTOCOLS, "r" )) == NULL)
+ return (NULL);
+again:
+ if ((p = fgets(line, BUFSIZ, protof)) == NULL)
+ return (NULL);
+ if (*p == '#')
+ goto again;
+ cp = strpbrk(p, "#\n");
+ if (cp == NULL)
+ goto again;
+ *cp = '\0';
+ proto.p_name = p;
+ cp = strpbrk(p, " \t");
+ if (cp == NULL)
+ goto again;
+ *cp++ = '\0';
+ while (*cp == ' ' || *cp == '\t')
+ cp++;
+ p = strpbrk(cp, " \t");
+ if (p != NULL)
+ *p++ = '\0';
+ proto.p_proto = atoi(cp);
+ q = proto.p_aliases = proto_aliases;
+ if (p != NULL) {
+ cp = p;
+ while (cp && *cp) {
+ if (*cp == ' ' || *cp == '\t') {
+ cp++;
+ continue;
+ }
+ if (q < &proto_aliases[MAXALIASES - 1])
+ *q++ = cp;
+ cp = strpbrk(cp, " \t");
+ if (cp != NULL)
+ *cp++ = '\0';
+ }
+ }
+ *q = NULL;
+ return (&proto);
+}
diff --git a/inet/getprtname.c b/inet/getprtname.c
new file mode 100644
index 0000000..3ee6754
--- /dev/null
+++ b/inet/getprtname.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getprotoname.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <netdb.h>
+#include <string.h>
+
+extern int _proto_stayopen;
+
+struct protoent *
+getprotobyname(name)
+ register const char *name;
+{
+ register struct protoent *p;
+ register char **cp;
+
+ setprotoent(_proto_stayopen);
+ while (p = getprotoent()) {
+ if (strcmp(p->p_name, name) == 0)
+ break;
+ for (cp = p->p_aliases; *cp != 0; cp++)
+ if (strcmp(*cp, name) == 0)
+ goto found;
+ }
+found:
+ if (!_proto_stayopen)
+ endprotoent();
+ return (p);
+}
diff --git a/inet/getservent.c b/inet/getservent.c
new file mode 100644
index 0000000..6bee5d3
--- /dev/null
+++ b/inet/getservent.c
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getservent.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#define MAXALIASES 35
+
+static FILE *servf = NULL;
+static char line[BUFSIZ+1];
+static struct servent serv;
+static char *serv_aliases[MAXALIASES];
+int _serv_stayopen;
+
+void
+setservent(f)
+ int f;
+{
+ if (servf == NULL)
+ servf = fopen(_PATH_SERVICES, "r" );
+ else
+ rewind(servf);
+ _serv_stayopen |= f;
+}
+
+void
+endservent()
+{
+ if (servf) {
+ fclose(servf);
+ servf = NULL;
+ }
+ _serv_stayopen = 0;
+}
+
+struct servent *
+getservent()
+{
+ char *p;
+ register char *cp, **q;
+
+ if (servf == NULL && (servf = fopen(_PATH_SERVICES, "r" )) == NULL)
+ return (NULL);
+again:
+ if ((p = fgets(line, BUFSIZ, servf)) == NULL)
+ return (NULL);
+ if (*p == '#')
+ goto again;
+ cp = strpbrk(p, "#\n");
+ if (cp == NULL)
+ goto again;
+ *cp = '\0';
+ serv.s_name = p;
+ p = strpbrk(p, " \t");
+ if (p == NULL)
+ goto again;
+ *p++ = '\0';
+ while (*p == ' ' || *p == '\t')
+ p++;
+ cp = strpbrk(p, ",/");
+ if (cp == NULL)
+ goto again;
+ *cp++ = '\0';
+ serv.s_port = htons((u_short)atoi(p));
+ serv.s_proto = cp;
+ q = serv.s_aliases = serv_aliases;
+ cp = strpbrk(cp, " \t");
+ if (cp != NULL)
+ *cp++ = '\0';
+ while (cp && *cp) {
+ if (*cp == ' ' || *cp == '\t') {
+ cp++;
+ continue;
+ }
+ if (q < &serv_aliases[MAXALIASES - 1])
+ *q++ = cp;
+ cp = strpbrk(cp, " \t");
+ if (cp != NULL)
+ *cp++ = '\0';
+ }
+ *q = NULL;
+ return (&serv);
+}
diff --git a/inet/getsrvbynm.c b/inet/getsrvbynm.c
new file mode 100644
index 0000000..77bf813
--- /dev/null
+++ b/inet/getsrvbynm.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getservbyname.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <netdb.h>
+#include <string.h>
+
+extern int _serv_stayopen;
+
+struct servent *
+getservbyname(name, proto)
+ const char *name, *proto;
+{
+ register struct servent *p;
+ register char **cp;
+
+ setservent(_serv_stayopen);
+ while (p = getservent()) {
+ if (strcmp(name, p->s_name) == 0)
+ goto gotname;
+ for (cp = p->s_aliases; *cp; cp++)
+ if (strcmp(name, *cp) == 0)
+ goto gotname;
+ continue;
+gotname:
+ if (proto == 0 || strcmp(p->s_proto, proto) == 0)
+ break;
+ }
+ if (!_serv_stayopen)
+ endservent();
+ return (p);
+}
diff --git a/inet/getsrvbypt.c b/inet/getsrvbypt.c
new file mode 100644
index 0000000..0acb31b
--- /dev/null
+++ b/inet/getsrvbypt.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getservbyport.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <netdb.h>
+#include <string.h>
+
+extern int _serv_stayopen;
+
+struct servent *
+getservbyport(port, proto)
+ int port;
+ const char *proto;
+{
+ register struct servent *p;
+
+ setservent(_serv_stayopen);
+ while (p = getservent()) {
+ if (p->s_port != port)
+ continue;
+ if (proto == 0 || strcmp(p->s_proto, proto) == 0)
+ break;
+ }
+ if (!_serv_stayopen)
+ endservent();
+ return (p);
+}
diff --git a/inet/inet_addr.c b/inet/inet_addr.c
new file mode 100644
index 0000000..246a418
--- /dev/null
+++ b/inet/inet_addr.c
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 1983, 1990, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)inet_addr.c 8.1 (Berkeley) 6/17/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <ctype.h>
+
+/*
+ * Ascii internet address interpretation routine.
+ * The value returned is in network order.
+ */
+u_long
+inet_addr(cp)
+ register const char *cp;
+{
+ struct in_addr val;
+
+ if (inet_aton(cp, &val))
+ return (val.s_addr);
+ return (INADDR_NONE);
+}
+
+/*
+ * Check whether "cp" is a valid ascii representation
+ * of an Internet address and convert to a binary address.
+ * Returns 1 if the address is valid, 0 if not.
+ * This replaces inet_addr, the return value from which
+ * cannot distinguish between failure and a local broadcast address.
+ */
+int
+inet_aton(cp, addr)
+ register const char *cp;
+ struct in_addr *addr;
+{
+ register u_long val;
+ register int base, n;
+ register char c;
+ u_int parts[4];
+ register u_int *pp = parts;
+
+ for (;;) {
+ /*
+ * Collect number up to ``.''.
+ * Values are specified as for C:
+ * 0x=hex, 0=octal, other=decimal.
+ */
+ val = 0; base = 10;
+ if (*cp == '0') {
+ if (*++cp == 'x' || *cp == 'X')
+ base = 16, cp++;
+ else
+ base = 8;
+ }
+ while ((c = *cp) != '\0') {
+ if (isascii(c) && isdigit(c)) {
+ val = (val * base) + (c - '0');
+ cp++;
+ continue;
+ }
+ if (base == 16 && isascii(c) && isxdigit(c)) {
+ val = (val << 4) +
+ (c + 10 - (islower(c) ? 'a' : 'A'));
+ cp++;
+ continue;
+ }
+ break;
+ }
+ if (*cp == '.') {
+ /*
+ * Internet format:
+ * a.b.c.d
+ * a.b.c (with c treated as 16-bits)
+ * a.b (with b treated as 24 bits)
+ */
+ if (pp >= parts + 3 || val > 0xff)
+ return (0);
+ *pp++ = val, cp++;
+ } else
+ break;
+ }
+ /*
+ * Check for trailing characters.
+ */
+ if (*cp && (!isascii(*cp) || !isspace(*cp)))
+ return (0);
+ /*
+ * Concoct the address according to
+ * the number of parts specified.
+ */
+ n = pp - parts + 1;
+ switch (n) {
+
+ case 1: /* a -- 32 bits */
+ break;
+
+ case 2: /* a.b -- 8.24 bits */
+ if (val > 0xffffff)
+ return (0);
+ val |= parts[0] << 24;
+ break;
+
+ case 3: /* a.b.c -- 8.8.16 bits */
+ if (val > 0xffff)
+ return (0);
+ val |= (parts[0] << 24) | (parts[1] << 16);
+ break;
+
+ case 4: /* a.b.c.d -- 8.8.8.8 bits */
+ if (val > 0xff)
+ return (0);
+ val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8);
+ break;
+ }
+ if (addr)
+ addr->s_addr = htonl(val);
+ return (1);
+}
diff --git a/inet/inet_lnaof.c b/inet/inet_lnaof.c
new file mode 100644
index 0000000..406be30
--- /dev/null
+++ b/inet/inet_lnaof.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)inet_lnaof.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+/*
+ * Return the local network address portion of an
+ * internet address; handles class a/b/c network
+ * number formats.
+ */
+u_long
+inet_lnaof(in)
+ struct in_addr in;
+{
+ register u_long i = ntohl(in.s_addr);
+
+ if (IN_CLASSA(i))
+ return ((i)&IN_CLASSA_HOST);
+ else if (IN_CLASSB(i))
+ return ((i)&IN_CLASSB_HOST);
+ else
+ return ((i)&IN_CLASSC_HOST);
+}
diff --git a/inet/inet_mkadr.c b/inet/inet_mkadr.c
new file mode 100644
index 0000000..7976188
--- /dev/null
+++ b/inet/inet_mkadr.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)inet_makeaddr.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+/*
+ * Formulate an Internet address from network + host. Used in
+ * building addresses stored in the ifnet structure.
+ */
+struct in_addr
+inet_makeaddr(net, host)
+ u_long net, host;
+{
+ u_long addr;
+
+ if (net < 128)
+ addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST);
+ else if (net < 65536)
+ addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST);
+ else if (net < 16777216L)
+ addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST);
+ else
+ addr = net | host;
+ addr = htonl(addr);
+ return (*(struct in_addr *)&addr);
+}
diff --git a/inet/inet_net.c b/inet/inet_net.c
new file mode 100644
index 0000000..fda53b6
--- /dev/null
+++ b/inet/inet_net.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)inet_network.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <ctype.h>
+
+/*
+ * Internet network address interpretation routine.
+ * The library routines call this routine to interpret
+ * network numbers.
+ */
+u_long
+inet_network(cp)
+ register const char *cp;
+{
+ register u_long val, base, n;
+ register char c;
+ u_long parts[4], *pp = parts;
+ register int i;
+
+again:
+ val = 0; base = 10;
+ if (*cp == '0')
+ base = 8, cp++;
+ if (*cp == 'x' || *cp == 'X')
+ base = 16, cp++;
+ 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);
+}
diff --git a/inet/inet_netof.c b/inet/inet_netof.c
new file mode 100644
index 0000000..d6de694
--- /dev/null
+++ b/inet/inet_netof.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)inet_netof.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+/*
+ * Return the network number from an internet
+ * address; handles class a/b/c network #'s.
+ */
+u_long
+inet_netof(in)
+ struct in_addr in;
+{
+ register u_long i = ntohl(in.s_addr);
+
+ if (IN_CLASSA(i))
+ return (((i)&IN_CLASSA_NET) >> IN_CLASSA_NSHIFT);
+ else if (IN_CLASSB(i))
+ return (((i)&IN_CLASSB_NET) >> IN_CLASSB_NSHIFT);
+ else
+ return (((i)&IN_CLASSC_NET) >> IN_CLASSC_NSHIFT);
+}
diff --git a/inet/inet_ntoa.c b/inet/inet_ntoa.c
new file mode 100644
index 0000000..a37b1db
--- /dev/null
+++ b/inet/inet_ntoa.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)inet_ntoa.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Convert network-format internet address
+ * to base 256 d.d.d.d representation.
+ */
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdio.h>
+
+char *
+inet_ntoa(in)
+ struct in_addr in;
+{
+ static char b[18];
+ register char *p;
+
+ p = (char *)&in;
+#define UC(b) (((int)b)&0xff)
+ (void)snprintf(b, sizeof(b),
+ "%d.%d.%d.%d", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3]));
+ return (b);
+}
diff --git a/inet/netdb.h b/inet/netdb.h
new file mode 100644
index 0000000..21caa89
--- /dev/null
+++ b/inet/netdb.h
@@ -0,0 +1,147 @@
+/*-
+ * 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.
+ *
+ * @(#)netdb.h 8.1 (Berkeley) 6/2/93
+ * $Id$
+ * -
+ * 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.
+ * -
+ * --Copyright--
+ */
+
+#ifndef _NETDB_H_
+#define _NETDB_H_
+
+#define _PATH_HEQUIV "/etc/hosts.equiv"
+#define _PATH_HOSTS "/etc/hosts"
+#define _PATH_NETWORKS "/etc/networks"
+#define _PATH_PROTOCOLS "/etc/protocols"
+#define _PATH_SERVICES "/etc/services"
+
+/*
+ * 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 # */
+};
+
+/*
+ * Error return codes from gethostbyname() and gethostbyaddr()
+ * (left in extern int h_errno).
+ */
+
+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 */
+
+#include <sys/cdefs.h>
+
+__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 *gethostent __P((void));
+struct netent *getnetbyaddr __P((long, int)); /* u_long? */
+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 *));
+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));
+__END_DECLS
+
+#endif /* !_NETDB_H_ */
diff --git a/inet/netinet/in.h b/inet/netinet/in.h
new file mode 100644
index 0000000..e8bc3b0
--- /dev/null
+++ b/inet/netinet/in.h
@@ -0,0 +1,198 @@
+/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the GNU C Library; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#ifndef _NETINET_IN_H
+
+#define _NETINET_IN_H 1
+#include <features.h>
+
+#include <sys/socket.h>
+
+
+/* Standard well-defined IP protocols. */
+enum
+ {
+ IPPROTO_IP = 0, /* Dummy protocol for TCP. */
+ IPPROTO_ICMP = 1, /* Internet Control Message Protocol. */
+ IPPROTO_GGP = 2, /* Gateway Protocol (deprecated). */
+ IPPROTO_TCP = 6, /* Transmission Control Protocol. */
+ IPPROTO_EGP = 8, /* Exterior Gateway Protocol. */
+ IPPROTO_PUP = 12, /* PUP protocol. */
+ IPPROTO_UDP = 17, /* User Datagram Protocol. */
+ IPPROTO_IDP = 22, /* XNS IDP protocol. */
+
+ IPPROTO_RAW = 255, /* Raw IP packets. */
+ IPPROTO_MAX,
+ };
+
+/* Standard well-known ports. */
+enum
+ {
+ IPPORT_ECHO = 7, /* Echo service. */
+ IPPORT_DISCARD = 9, /* Discard transmissions service. */
+ IPPORT_SYSTAT = 11, /* System status service. */
+ IPPORT_DAYTIME = 13, /* Time of day service. */
+ IPPORT_NETSTAT = 15, /* Network status service. */
+ IPPORT_FTP = 21, /* File Transfer Protocol. */
+ IPPORT_TELNET = 23, /* Telnet protocol. */
+ IPPORT_SMTP = 25, /* Simple Mail Transfer Protocol. */
+ IPPORT_TIMESERVER = 37, /* Timeserver service. */
+ IPPORT_NAMESERVER = 42, /* Domain Name Service. */
+ IPPROT_WHOIS = 43, /* Internet Whois service. */
+ IPPORT_MTP = 57,
+
+ IPPORT_TFTP = 69, /* Trivial File Transfer Protocol. */
+ IPPORT_RJE = 77,
+ IPPORT_FINGER = 79, /* Finger service. */
+ IPPORT_TTYLINK = 87,
+ IPPORT_SUPDUP = 95, /* SUPDUP protocol. */
+
+
+ IPPORT_EXECSERVER = 512, /* execd service. */
+ IPPORT_LOGINSERVER = 513, /* rlogind service. */
+ IPPORT_CMDSERVER = 514,
+ IPPORT_EFSSERVER = 520,
+
+ /* UDP ports. */
+ IPPORT_BIFFUDP = 512,
+ IPPORT_WHOSERVER = 513,
+ IPPORT_ROUTESERVER = 520,
+
+ /* Ports less than this value are reserved for privileged processes. */
+ IPPORT_RESERVED = 1024,
+
+ /* Ports greater this value are reserved for (non-privileged) servers. */
+ IPPORT_USERRESERVED = 5000,
+ };
+
+
+/* Link numbers. */
+#define IMPLINK_IP 155
+#define IMPLINK_LOWEXPER 156
+#define IMPLINK_HIGHEXPER 158
+
+
+/* Internet address. */
+struct in_addr
+ {
+ unsigned long int s_addr;
+ };
+
+
+/* Definitions of the bits in an Internet address integer.
+
+ On subnets, host and network parts are found according to
+ the subnet mask, not these masks. */
+
+#define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0)
+#define IN_CLASSA_NET 0xff000000
+#define IN_CLASSA_NSHIFT 24
+#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
+#define IN_CLASSA_MAX 128
+
+#define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000)
+#define IN_CLASSB_NET 0xffff0000
+#define IN_CLASSB_NSHIFT 16
+#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
+#define IN_CLASSB_MAX 65536
+
+#define IN_CLASSC(a) ((((long int) (a)) & 0xc0000000) == 0xc0000000)
+#define IN_CLASSC_NET 0xffffff00
+#define IN_CLASSC_NSHIFT 8
+#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
+
+#define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) = 0xe0000000)
+#define IN_MULTICAST(a) IN_CLASSD(a)
+
+#define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xe0000000) = 0xe0000000)
+#define IN_BADCLASS(a) ((((long int) (a)) & 0xf0000000) = 0xf0000000)
+
+/* Address to accept any incoming messages. */
+#define INADDR_ANY ((unsigned long int) 0x00000000)
+/* Address to send to all hosts. */
+#define INADDR_BROADCAST ((unsigned long int) 0xffffffff)
+/* Address indicating an error return. */
+#define INADDR_NONE 0xffffffff
+
+/* Network number for local host loopback. */
+#define IN_LOOPBACKNET 127
+/* Address to loopback in software to local host. */
+#ifndef INADDR_LOOPBACK
+#define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */
+#endif
+
+
+/* Get the definition of the macro to define the common sockaddr members. */
+#include <sockaddrcom.h>
+
+
+/* Structure describing an Internet socket address. */
+struct sockaddr_in
+ {
+ __SOCKADDR_COMMON (sin_);
+ unsigned short int sin_port; /* Port number. */
+ struct in_addr sin_addr; /* Internet address. */
+
+ /* Pad to size of `struct sockaddr'. */
+ unsigned char sin_zero[sizeof(struct sockaddr) -
+ __SOCKADDR_COMMON_SIZE -
+ sizeof(unsigned short int) -
+ sizeof(struct in_addr)];
+ };
+
+
+/* Options for use with `getsockopt' and `setsockopt' at the IP level.
+ The first word in the comment at the right is the data type used;
+ "bool" means a boolean value stored in an `int'. */
+#define IP_OPTIONS 1 /* ip_opts; IP per-packet options. */
+#define IP_HDRINCL 2 /* int; Header is included with data. */
+#define IP_TOS 3 /* int; IP type of service and precedence. */
+#define IP_TTL 4 /* int; IP time to live. */
+#define IP_RECVOPTS 5 /* bool; Receive all IP options w/datagram. */
+#define IP_RECVRETOPTS 6 /* bool; Receive IP options for response. */
+#define IP_RECVDSTADDR 7 /* bool; Receive IP dst addr w/datagram. */
+#define IP_RETOPTS 8 /* ip_opts; Set/get IP per-packet options. */
+
+/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
+ The `ip_dst' field is used for the first-hop gateway when using a
+ source route (this gets put into the header proper). */
+struct ip_opts
+ {
+ struct in_addr ip_dst; /* First hop; zero without source route. */
+ char ip_opts[40]; /* Actually variable in size. */
+ };
+
+
+/* Functions to convert between host and network byte order. */
+
+extern unsigned long int ntohl __P ((unsigned long int));
+extern unsigned short int ntohs __P ((unsigned short int));
+extern unsigned long int htonl __P ((unsigned long int));
+extern unsigned short int htons __P ((unsigned short int));
+
+#include <endian.h>
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+/* The host byte order is the same as network byte order,
+ so these functions are all just identity. */
+#define ntohl(x) (x)
+#define ntohs(x) (x)
+#define htonl(x) (x)
+#define htons(x) (x)
+#endif
+
+#endif /* netinet/in.h */
diff --git a/inet/protocols/routed.h b/inet/protocols/routed.h
new file mode 100644
index 0000000..f41fc21
--- /dev/null
+++ b/inet/protocols/routed.h
@@ -0,0 +1,104 @@
+/*-
+ * Copyright (c) 1983, 1989, 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.
+ *
+ * @(#)routed.h 8.1 (Berkeley) 6/2/93
+ */
+
+#ifndef _ROUTED_H_
+#define _ROUTED_H_
+
+/*
+ * Routing Information Protocol
+ *
+ * Derived from Xerox NS Routing Information Protocol
+ * by changing 32-bit net numbers to sockaddr's and
+ * padding stuff to 32-bit boundaries.
+ */
+#define RIPVERSION 1
+
+struct netinfo {
+ struct sockaddr rip_dst; /* destination net/host */
+ int rip_metric; /* cost of route */
+};
+
+struct rip {
+ u_char rip_cmd; /* request/response */
+ u_char rip_vers; /* protocol version # */
+ u_char rip_res1[2]; /* pad to 32-bit boundary */
+ union {
+ struct netinfo ru_nets[1]; /* variable length... */
+ char ru_tracefile[1]; /* ditto ... */
+ } ripun;
+#define rip_nets ripun.ru_nets
+#define rip_tracefile ripun.ru_tracefile
+};
+
+/*
+ * Packet types.
+ */
+#define RIPCMD_REQUEST 1 /* want info */
+#define RIPCMD_RESPONSE 2 /* responding to request */
+#define RIPCMD_TRACEON 3 /* turn tracing on */
+#define RIPCMD_TRACEOFF 4 /* turn it off */
+
+#define RIPCMD_MAX 5
+#ifdef RIPCMDS
+char *ripcmds[RIPCMD_MAX] =
+ { "#0", "REQUEST", "RESPONSE", "TRACEON", "TRACEOFF" };
+#endif
+
+#define HOPCNT_INFINITY 16 /* per Xerox NS */
+#define MAXPACKETSIZE 512 /* max broadcast size */
+
+/*
+ * Timer values used in managing the routing table.
+ * Complete tables are broadcast every SUPPLY_INTERVAL seconds.
+ * If changes occur between updates, dynamic updates containing only changes
+ * may be sent. When these are sent, a timer is set for a random value
+ * between MIN_WAITTIME and MAX_WAITTIME, and no additional dynamic updates
+ * are sent until the timer expires.
+ *
+ * Every update of a routing entry forces an entry's timer to be reset.
+ * After EXPIRE_TIME without updates, the entry is marked invalid,
+ * but held onto until GARBAGE_TIME so that others may
+ * see it "be deleted".
+ */
+#define TIMER_RATE 30 /* alarm clocks every 30 seconds */
+
+#define SUPPLY_INTERVAL 30 /* time to supply tables */
+#define MIN_WAITTIME 2 /* min. interval to broadcast changes */
+#define MAX_WAITTIME 5 /* max. time to delay changes */
+
+#define EXPIRE_TIME 180 /* time to mark entry invalid */
+#define GARBAGE_TIME 240 /* time to garbage collect */
+
+#endif /* !_ROUTED_H_ */
diff --git a/inet/protocols/rwhod.h b/inet/protocols/rwhod.h
new file mode 100644
index 0000000..93008a4
--- /dev/null
+++ b/inet/protocols/rwhod.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 1983, 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.
+ *
+ * @(#)rwhod.h 8.1 (Berkeley) 6/2/93
+ */
+
+#ifndef _RWHOD_H_
+#define _RWHOD_H_
+
+/*
+ * rwho protocol packet format.
+ */
+struct outmp {
+ char out_line[8]; /* tty name */
+ char out_name[8]; /* user id */
+ long out_time; /* time on */
+};
+
+struct whod {
+ char wd_vers; /* protocol version # */
+ char wd_type; /* packet type, see below */
+ char wd_pad[2];
+ int wd_sendtime; /* time stamp by sender */
+ int wd_recvtime; /* time stamp applied by receiver */
+ char wd_hostname[32]; /* hosts's name */
+ int wd_loadav[3]; /* load average as in uptime */
+ int wd_boottime; /* time system booted */
+ struct whoent {
+ struct outmp we_utmp; /* active tty info */
+ int we_idle; /* tty idle time */
+ } wd_we[1024 / sizeof (struct whoent)];
+};
+
+#define WHODVERSION 1
+#define WHODTYPE_STATUS 1 /* host status */
+
+#define _PATH_RWHODIR "/var/rwho"
+
+#endif /* !_RWHOD_H_ */
diff --git a/inet/protocols/talkd.h b/inet/protocols/talkd.h
new file mode 100644
index 0000000..0d30d5b
--- /dev/null
+++ b/inet/protocols/talkd.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 1983, 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.
+ *
+ * @(#)talkd.h 8.1 (Berkeley) 6/2/93
+ */
+
+#ifndef _TALKD_H_
+#define _TALKD_H_
+
+/*
+ * This describes the protocol used by the talk server and clients.
+ *
+ * The talk server acts a repository of invitations, responding to
+ * requests by clients wishing to rendezvous for the purpose of
+ * holding a conversation. In normal operation, a client, the caller,
+ * initiates a rendezvous by sending a CTL_MSG to the server of
+ * type LOOK_UP. This causes the server to search its invitation
+ * tables to check if an invitation currently exists for the caller
+ * (to speak to the callee specified in the message). If the lookup
+ * fails, the caller then sends an ANNOUNCE message causing the server
+ * to broadcast an announcement on the callee's login ports requesting
+ * contact. When the callee responds, the local server uses the
+ * recorded invitation to respond with the appropriate rendezvous
+ * address and the caller and callee client programs establish a
+ * stream connection through which the conversation takes place.
+ */
+
+/*
+ * Client->server request message format.
+ */
+typedef struct {
+ u_char vers; /* protocol version */
+ u_char type; /* request type, see below */
+ u_char answer; /* not used */
+ u_char pad;
+ u_long id_num; /* message id */
+ struct osockaddr addr; /* old (4.3) style */
+ struct osockaddr ctl_addr; /* old (4.3) style */
+ long pid; /* caller's process id */
+#define NAME_SIZE 12
+ char l_name[NAME_SIZE];/* caller's name */
+ char r_name[NAME_SIZE];/* callee's name */
+#define TTY_SIZE 16
+ char r_tty[TTY_SIZE];/* callee's tty name */
+} CTL_MSG;
+
+/*
+ * Server->client response message format.
+ */
+typedef struct {
+ u_char vers; /* protocol version */
+ u_char type; /* type of request message, see below */
+ u_char answer; /* respose to request message, see below */
+ u_char pad;
+ u_long id_num; /* message id */
+ struct osockaddr addr; /* address for establishing conversation */
+} CTL_RESPONSE;
+
+#define TALK_VERSION 1 /* protocol version */
+
+/* message type values */
+#define LEAVE_INVITE 0 /* leave invitation with server */
+#define LOOK_UP 1 /* check for invitation by callee */
+#define DELETE 2 /* delete invitation by caller */
+#define ANNOUNCE 3 /* announce invitation by caller */
+
+/* answer values */
+#define SUCCESS 0 /* operation completed properly */
+#define NOT_HERE 1 /* callee not logged in */
+#define FAILED 2 /* operation failed for unexplained reason */
+#define MACHINE_UNKNOWN 3 /* caller's machine name unknown */
+#define PERMISSION_DENIED 4 /* callee's tty doesn't permit announce */
+#define UNKNOWN_REQUEST 5 /* request has invalid type value */
+#define BADVERSION 6 /* request has invalid protocol version */
+#define BADADDR 7 /* request has invalid addr value */
+#define BADCTLADDR 8 /* request has invalid ctl_addr value */
+
+/*
+ * Operational parameters.
+ */
+#define MAX_LIFE 60 /* max time daemon saves invitations */
+/* RING_WAIT should be 10's of seconds less than MAX_LIFE */
+#define RING_WAIT 30 /* time to wait before resending invitation */
+
+#endif /* !_TALKD_H_ */
diff --git a/inet/protocols/timed.h b/inet/protocols/timed.h
new file mode 100644
index 0000000..1b569f5
--- /dev/null
+++ b/inet/protocols/timed.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 1983, 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.
+ *
+ * @(#)timed.h 8.1 (Berkeley) 6/2/93
+ */
+
+#ifndef _TIMED_H_
+#define _TIMED_H_
+
+/*
+ * Time Synchronization Protocol
+ */
+
+#define TSPVERSION 1
+#define ANYADDR NULL
+
+struct tsp {
+ u_char tsp_type;
+ u_char tsp_vers;
+ u_short tsp_seq;
+ union {
+ struct timeval tspu_time;
+ char tspu_hopcnt;
+ } tsp_u;
+ char tsp_name[MAXHOSTNAMELEN];
+};
+
+#define tsp_time tsp_u.tspu_time
+#define tsp_hopcnt tsp_u.tspu_hopcnt
+
+/*
+ * Command types.
+ */
+#define TSP_ANY 0 /* match any types */
+#define TSP_ADJTIME 1 /* send adjtime */
+#define TSP_ACK 2 /* generic acknowledgement */
+#define TSP_MASTERREQ 3 /* ask for master's name */
+#define TSP_MASTERACK 4 /* acknowledge master request */
+#define TSP_SETTIME 5 /* send network time */
+#define TSP_MASTERUP 6 /* inform slaves that master is up */
+#define TSP_SLAVEUP 7 /* slave is up but not polled */
+#define TSP_ELECTION 8 /* advance candidature for master */
+#define TSP_ACCEPT 9 /* support candidature of master */
+#define TSP_REFUSE 10 /* reject candidature of master */
+#define TSP_CONFLICT 11 /* two or more masters present */
+#define TSP_RESOLVE 12 /* masters' conflict resolution */
+#define TSP_QUIT 13 /* reject candidature if master is up */
+#define TSP_DATE 14 /* reset the time (date command) */
+#define TSP_DATEREQ 15 /* remote request to reset the time */
+#define TSP_DATEACK 16 /* acknowledge time setting */
+#define TSP_TRACEON 17 /* turn tracing on */
+#define TSP_TRACEOFF 18 /* turn tracing off */
+#define TSP_MSITE 19 /* find out master's site */
+#define TSP_MSITEREQ 20 /* remote master's site request */
+#define TSP_TEST 21 /* for testing election algo */
+#define TSP_SETDATE 22 /* New from date command */
+#define TSP_SETDATEREQ 23 /* New remote for above */
+#define TSP_LOOP 24 /* loop detection packet */
+
+#define TSPTYPENUMBER 25
+
+#ifdef TSPTYPES
+char *tsptype[TSPTYPENUMBER] =
+ { "ANY", "ADJTIME", "ACK", "MASTERREQ", "MASTERACK", "SETTIME", "MASTERUP",
+ "SLAVEUP", "ELECTION", "ACCEPT", "REFUSE", "CONFLICT", "RESOLVE", "QUIT",
+ "DATE", "DATEREQ", "DATEACK", "TRACEON", "TRACEOFF", "MSITE", "MSITEREQ",
+ "TEST", "SETDATE", "SETDATEREQ", "LOOP" };
+#endif
+
+#endif /* !_TIMED_H_ */
diff --git a/inet/rcmd.c b/inet/rcmd.c
new file mode 100644
index 0000000..e5b28c6
--- /dev/null
+++ b/inet/rcmd.c
@@ -0,0 +1,414 @@
+/*
+ * Copyright (c) 1983, 1993, 1994
+ * 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)rcmd.c 8.3 (Berkeley) 3/26/94";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <signal.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <unistd.h>
+#include <pwd.h>
+#include <errno.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+
+int __ivaliduser __P((FILE *, u_long, const char *, const char *));
+static int __icheckhost __P((u_long, char *));
+
+int
+rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
+ char **ahost;
+ u_short rport;
+ const char *locuser, *remuser, *cmd;
+ int *fd2p;
+{
+ struct hostent *hp;
+ struct sockaddr_in sin, from;
+ fd_set reads;
+ long oldmask;
+ pid_t pid;
+ int s, lport, timo;
+ char c;
+
+ pid = getpid();
+ hp = gethostbyname(*ahost);
+ if (hp == NULL) {
+ herror(*ahost);
+ return (-1);
+ }
+ *ahost = hp->h_name;
+ oldmask = sigblock(sigmask(SIGURG));
+ for (timo = 1, lport = IPPORT_RESERVED - 1;;) {
+ s = rresvport(&lport);
+ if (s < 0) {
+ if (errno == EAGAIN)
+ (void)fprintf(stderr,
+ "rcmd: socket: All ports in use\n");
+ else
+ (void)fprintf(stderr, "rcmd: socket: %s\n",
+ strerror(errno));
+ sigsetmask(oldmask);
+ return (-1);
+ }
+ fcntl(s, F_SETOWN, pid);
+ sin.sin_family = hp->h_addrtype;
+ bcopy(hp->h_addr_list[0], &sin.sin_addr, hp->h_length);
+ sin.sin_port = rport;
+ if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) >= 0)
+ break;
+ (void)close(s);
+ if (errno == EADDRINUSE) {
+ lport--;
+ continue;
+ }
+ if (errno == ECONNREFUSED && timo <= 16) {
+ (void)sleep(timo);
+ timo *= 2;
+ continue;
+ }
+ if (hp->h_addr_list[1] != NULL) {
+ int oerrno = errno;
+
+ (void)fprintf(stderr, "connect to address %s: ",
+ inet_ntoa(sin.sin_addr));
+ errno = oerrno;
+ perror(0);
+ hp->h_addr_list++;
+ bcopy(hp->h_addr_list[0], &sin.sin_addr, hp->h_length);
+ (void)fprintf(stderr, "Trying %s...\n",
+ inet_ntoa(sin.sin_addr));
+ continue;
+ }
+ (void)fprintf(stderr, "%s: %s\n", hp->h_name, strerror(errno));
+ sigsetmask(oldmask);
+ return (-1);
+ }
+ lport--;
+ if (fd2p == 0) {
+ write(s, "", 1);
+ lport = 0;
+ } else {
+ char num[8];
+ int s2 = rresvport(&lport), s3;
+ int len = sizeof(from);
+
+ if (s2 < 0)
+ goto bad;
+ listen(s2, 1);
+ (void)snprintf(num, sizeof(num), "%d", lport);
+ if (write(s, num, strlen(num)+1) != strlen(num)+1) {
+ (void)fprintf(stderr,
+ "rcmd: write (setting up stderr): %s\n",
+ strerror(errno));
+ (void)close(s2);
+ goto bad;
+ }
+ FD_ZERO(&reads);
+ FD_SET(s, &reads);
+ FD_SET(s2, &reads);
+ errno = 0;
+ if (select(1 + (s > s2 ? s : s2), &reads, 0, 0, 0) < 1 ||
+ !FD_ISSET(s2, &reads)) {
+ if (errno != 0)
+ (void)fprintf(stderr,
+ "rcmd: select (setting up stderr): %s\n",
+ strerror(errno));
+ else
+ (void)fprintf(stderr,
+ "select: protocol failure in circuit setup\n");
+ (void)close(s2);
+ goto bad;
+ }
+ s3 = accept(s2, (struct sockaddr *)&from, &len);
+ (void)close(s2);
+ if (s3 < 0) {
+ (void)fprintf(stderr,
+ "rcmd: accept: %s\n", strerror(errno));
+ lport = 0;
+ goto bad;
+ }
+ *fd2p = s3;
+ from.sin_port = ntohs((u_short)from.sin_port);
+ if (from.sin_family != AF_INET ||
+ from.sin_port >= IPPORT_RESERVED ||
+ from.sin_port < IPPORT_RESERVED / 2) {
+ (void)fprintf(stderr,
+ "socket: protocol failure in circuit setup.\n");
+ goto bad2;
+ }
+ }
+ (void)write(s, locuser, strlen(locuser)+1);
+ (void)write(s, remuser, strlen(remuser)+1);
+ (void)write(s, cmd, strlen(cmd)+1);
+ if (read(s, &c, 1) != 1) {
+ (void)fprintf(stderr,
+ "rcmd: %s: %s\n", *ahost, strerror(errno));
+ goto bad2;
+ }
+ if (c != 0) {
+ while (read(s, &c, 1) == 1) {
+ (void)write(STDERR_FILENO, &c, 1);
+ if (c == '\n')
+ break;
+ }
+ goto bad2;
+ }
+ sigsetmask(oldmask);
+ return (s);
+bad2:
+ if (lport)
+ (void)close(*fd2p);
+bad:
+ (void)close(s);
+ sigsetmask(oldmask);
+ return (-1);
+}
+
+int
+rresvport(alport)
+ int *alport;
+{
+ struct sockaddr_in sin;
+ int s;
+
+ sin.sin_family = AF_INET;
+ sin.sin_addr.s_addr = INADDR_ANY;
+ s = socket(AF_INET, SOCK_STREAM, 0);
+ if (s < 0)
+ return (-1);
+ for (;;) {
+ sin.sin_port = htons((u_short)*alport);
+ if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) >= 0)
+ return (s);
+ if (errno != EADDRINUSE) {
+ (void)close(s);
+ return (-1);
+ }
+ (*alport)--;
+ if (*alport == IPPORT_RESERVED/2) {
+ (void)close(s);
+ errno = EAGAIN; /* close */
+ return (-1);
+ }
+ }
+}
+
+int __check_rhosts_file = 1;
+char *__rcmd_errstr;
+
+int
+ruserok(rhost, superuser, ruser, luser)
+ const char *rhost, *ruser, *luser;
+ int superuser;
+{
+ struct hostent *hp;
+ u_long addr;
+ char **ap;
+
+ if ((hp = gethostbyname(rhost)) == NULL)
+ return (-1);
+ for (ap = hp->h_addr_list; *ap; ++ap) {
+ bcopy(*ap, &addr, sizeof(addr));
+ if (iruserok(addr, superuser, ruser, luser) == 0)
+ return (0);
+ }
+ return (-1);
+}
+
+/*
+ * New .rhosts strategy: We are passed an ip address. We spin through
+ * hosts.equiv and .rhosts looking for a match. When the .rhosts only
+ * has ip addresses, we don't have to trust a nameserver. When it
+ * contains hostnames, we spin through the list of addresses the nameserver
+ * gives us and look for a match.
+ *
+ * Returns 0 if ok, -1 if not ok.
+ */
+int
+iruserok(raddr, superuser, ruser, luser)
+ u_long raddr;
+ int superuser;
+ const char *ruser, *luser;
+{
+ register char *cp;
+ struct stat sbuf;
+ struct passwd *pwd;
+ FILE *hostf;
+ uid_t uid;
+ int first;
+
+ first = 1;
+ hostf = superuser ? NULL : fopen(_PATH_HEQUIV, "r");
+again:
+ if (hostf) {
+ if (__ivaliduser(hostf, raddr, luser, ruser) == 0) {
+ (void)fclose(hostf);
+ return (0);
+ }
+ (void)fclose(hostf);
+ }
+ if (first == 1 && (__check_rhosts_file || superuser)) {
+ char *pbuf;
+ size_t dirlen;
+
+ first = 0;
+ if ((pwd = getpwnam(luser)) == NULL)
+ return (-1);
+
+ dirlen = strlen (pwd->pw_dir);
+ pbuf = alloca (dirlen + sizeof "/.rhosts");
+ memcpy (pbuf, pwd->pw_dir, dirlen);
+ memcpy (pbuf + dirlen, "/.rhosts", sizeof "/.rhosts");
+
+ /*
+ * Change effective uid while opening .rhosts. If root and
+ * reading an NFS mounted file system, can't read files that
+ * are protected read/write owner only.
+ */
+ uid = geteuid();
+ (void)seteuid(pwd->pw_uid);
+ hostf = fopen(pbuf, "r");
+ (void)seteuid(uid);
+
+ if (hostf == NULL)
+ return (-1);
+ /*
+ * If not a regular file, or is owned by someone other than
+ * user or root or if writeable by anyone but the owner, quit.
+ */
+ cp = NULL;
+ if (lstat(pbuf, &sbuf) < 0)
+ cp = ".rhosts lstat failed";
+ else if (!S_ISREG(sbuf.st_mode))
+ cp = ".rhosts not regular file";
+ else if (fstat(fileno(hostf), &sbuf) < 0)
+ cp = ".rhosts fstat failed";
+ else if (sbuf.st_uid && sbuf.st_uid != pwd->pw_uid)
+ cp = "bad .rhosts owner";
+ else if (sbuf.st_mode & (S_IWGRP|S_IWOTH))
+ cp = ".rhosts writeable by other than owner";
+ /* If there were any problems, quit. */
+ if (cp) {
+ __rcmd_errstr = cp;
+ (void)fclose(hostf);
+ return (-1);
+ }
+ goto again;
+ }
+ return (-1);
+}
+
+/*
+ * XXX
+ * Don't make static, used by lpd(8).
+ *
+ * Returns 0 if ok, -1 if not ok.
+ */
+int
+__ivaliduser(hostf, raddr, luser, ruser)
+ FILE *hostf;
+ u_long raddr;
+ const char *luser, *ruser;
+{
+ register char *user, *p;
+ int ch;
+ char *buf = NULL;
+ size_t bufsize = 0;
+ ssize_t nread;
+
+ while ((nread = getline (&buf, &bufsize, hostf)) > 0) {
+ buf[bufsize - 1] = '\0'; /* Make sure it's terminated. */
+ p = buf;
+ while (*p != '\n' && *p != ' ' && *p != '\t' && *p != '\0') {
+ *p = isupper(*p) ? tolower(*p) : *p;
+ p++;
+ }
+ if (*p == ' ' || *p == '\t') {
+ *p++ = '\0';
+ while (*p == ' ' || *p == '\t')
+ p++;
+ user = p;
+ while (*p != '\n' && *p != ' ' &&
+ *p != '\t' && *p != '\0')
+ p++;
+ } else
+ user = p;
+ *p = '\0';
+ if (__icheckhost(raddr, buf) &&
+ strcmp(ruser, *user ? user : luser) == 0) {
+ free (buf);
+ return (0);
+ }
+ }
+ free (buf);
+ return (-1);
+}
+
+/*
+ * Returns "true" if match, 0 if no match.
+ */
+static int
+__icheckhost(raddr, lhost)
+ u_long raddr;
+ register char *lhost;
+{
+ register struct hostent *hp;
+ register u_long laddr;
+ register char **pp;
+
+ /* Try for raw ip address first. */
+ if (isdigit(*lhost) && (long)(laddr = inet_addr(lhost)) != -1)
+ return (raddr == laddr);
+
+ /* Better be a hostname. */
+ if ((hp = gethostbyname(lhost)) == NULL)
+ return (0);
+
+ /* Spin through ip addresses. */
+ for (pp = hp->h_addr_list; *pp; ++pp)
+ if (!bcmp(&raddr, *pp, sizeof(u_long)))
+ return (1);
+
+ /* No match. */
+ return (0);
+}
diff --git a/inet/rexec.c b/inet/rexec.c
new file mode 100644
index 0000000..297e444
--- /dev/null
+++ b/inet/rexec.c
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 1980, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)rexec.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+
+#include <stdio.h>
+#include <netdb.h>
+#include <errno.h>
+
+extern errno;
+char *index();
+int rexecoptions;
+char *getpass(), *getlogin();
+
+rexec(ahost, rport, name, pass, cmd, fd2p)
+ char **ahost;
+ int rport;
+ char *name, *pass, *cmd;
+ int *fd2p;
+{
+ struct sockaddr_in sin, sin2, from;
+ struct hostent *hp;
+ u_short port;
+ int s, timo = 1, s3;
+ char c;
+
+ hp = gethostbyname(*ahost);
+ if (hp == 0) {
+ herror(*ahost);
+ return (-1);
+ }
+ *ahost = hp->h_name;
+ ruserpass(hp->h_name, &name, &pass);
+retry:
+ s = socket(AF_INET, SOCK_STREAM, 0);
+ if (s < 0) {
+ perror("rexec: socket");
+ return (-1);
+ }
+ sin.sin_family = hp->h_addrtype;
+ sin.sin_port = rport;
+ bcopy(hp->h_addr, (caddr_t)&sin.sin_addr, hp->h_length);
+ if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
+ if (errno == ECONNREFUSED && timo <= 16) {
+ (void) close(s);
+ sleep(timo);
+ timo *= 2;
+ goto retry;
+ }
+ perror(hp->h_name);
+ return (-1);
+ }
+ if (fd2p == 0) {
+ (void) write(s, "", 1);
+ port = 0;
+ } else {
+ char num[8];
+ int s2, sin2len;
+
+ s2 = socket(AF_INET, SOCK_STREAM, 0);
+ if (s2 < 0) {
+ (void) close(s);
+ return (-1);
+ }
+ listen(s2, 1);
+ sin2len = sizeof (sin2);
+ if (getsockname(s2, (struct sockaddr *)&sin2, &sin2len) < 0 ||
+ sin2len != sizeof (sin2)) {
+ perror("getsockname");
+ (void) close(s2);
+ goto bad;
+ }
+ port = ntohs((u_short)sin2.sin_port);
+ (void) sprintf(num, "%u", port);
+ (void) write(s, num, strlen(num)+1);
+ { int len = sizeof (from);
+ s3 = accept(s2, (struct sockaddr *)&from, &len);
+ close(s2);
+ if (s3 < 0) {
+ perror("accept");
+ port = 0;
+ goto bad;
+ }
+ }
+ *fd2p = s3;
+ }
+ (void) write(s, name, strlen(name) + 1);
+ /* should public key encypt the password here */
+ (void) write(s, pass, strlen(pass) + 1);
+ (void) write(s, cmd, strlen(cmd) + 1);
+ if (read(s, &c, 1) != 1) {
+ perror(*ahost);
+ goto bad;
+ }
+ if (c != 0) {
+ while (read(s, &c, 1) == 1) {
+ (void) write(2, &c, 1);
+ if (c == '\n')
+ break;
+ }
+ goto bad;
+ }
+ return (s);
+bad:
+ if (port)
+ (void) close(*fd2p);
+ (void) close(s);
+ return (-1);
+}