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authorJoel Sherrill <joel.sherrill@OARcorp.com>1999-11-30 22:12:50 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1999-11-30 22:12:50 +0000
commitd0950adfd65d0510424b43c31f19d2f1d8d277a4 (patch)
tree6d0c8ee17d77495c851099f1ffa751f84b857857 /c/src/libnetworking/pppd/options.c
parentRenamed shm.h to shm_driver.h to avoid conflicts with POSIX shm.h. (diff)
downloadrtems-d0950adfd65d0510424b43c31f19d2f1d8d277a4.tar.bz2
Added port of ppp-2.3.5 from Tomasz Domin <dot@comarch.pl> of ComArch SA.
Tomasz only tested this on the mpc823. The official site for the original source for this PPP implementation is: ftp://cs.anu.edu.au/pub/software/ppp NOTE: As of 11/30/1999, the current version of this source is 2.3.10.
Diffstat (limited to 'c/src/libnetworking/pppd/options.c')
-rw-r--r--c/src/libnetworking/pppd/options.c393
1 files changed, 393 insertions, 0 deletions
diff --git a/c/src/libnetworking/pppd/options.c b/c/src/libnetworking/pppd/options.c
new file mode 100644
index 0000000000..6eafb89eca
--- /dev/null
+++ b/c/src/libnetworking/pppd/options.c
@@ -0,0 +1,393 @@
+/*
+ * options.c - handles option processing for PPP.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef lint
+/* static char rcsid[] = "$Id$"; */
+#endif
+
+#include <ctype.h>
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <limits.h>
+/* #include <stdlib.h> */
+#include <termios.h>
+#include <syslog.h>
+#include <string.h>
+#include <netdb.h>
+#include <pwd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#ifdef PPP_FILTER
+#include <pcap.h>
+#include <pcap-int.h> /* XXX: To get struct pcap */
+#endif
+
+#include "pppd.h"
+#include "pathnames.h"
+#include "patchlevel.h"
+#include "fsm.h"
+#include "lcp.h"
+#include "ipcp.h"
+#include "upap.h"
+#include "chap.h"
+#include "ccp.h"
+#ifdef CBCP_SUPPORT
+#include "cbcp.h"
+#endif
+
+#ifdef IPX_CHANGE
+#include "ipxcp.h"
+#endif /* IPX_CHANGE */
+
+#include <net/ppp-comp.h>
+
+#define FALSE 0
+#define TRUE 1
+
+
+#ifndef GIDSET_TYPE
+#define GIDSET_TYPE gid_t
+#endif
+#if 0
+static int privileged_option; /* set iff the current option came from root */
+static char *option_source; /* string saying where the option came from */
+#endif
+
+/*
+ * Option variables and default values.
+ */
+#ifdef PPP_FILTER
+int dflag = 0; /* Tell libpcap we want debugging */
+#endif
+int debug = 1; /* Debug flag */
+int kdebugflag = 1; /* Tell kernel to print debug messages */
+int default_device = 1; /* Using /dev/tty or equivalent */
+char devnam[MAXPATHLEN] = "/dev/sccppp"; /* Device name */
+int crtscts = 0; /* Use hardware flow control */
+int modem = 0; /* Use modem control lines */
+int inspeed = B115200; /* Input/Output speed requested */
+u_int32_t netmask = 0; /* IP netmask to set on interface */
+int lockflag = 0; /* Create lock file to lock the serial dev */
+int nodetach = 0; /* Don't detach from controlling tty */
+char *connector[]={"TIMEOUT","3","ABORT","\nBUSY\r","ABORT","\nNO DIALTONE\r","ABORT","\nNO CARRIER\r","ABORT","\nNO ANSWER\r","ABORT","\nRINGING\r\n\r\nRINGING\r",
+ "","\rAT","OK-+++\\c-OK","ATH0","TIMEOUT","30","OK","ATDT13","CONNECT",""};
+/*char *connector[]={"TIMEOUT","3","ABORT","\nBUSY\r","ABORT","\nNO DIALTONE\r","ABORT","\nNO CARRIER\r","ABORT","\nNO ANSWER\r","ABORT","\nRINGING\r\n\r\nRINGING\r",
+ "","\rAT","OK-+++\\c-OK","ATH0","TIMEOUT","30","OK","ATDT0202122","CONNECT","","ppp","","Username:","ppp","Password:","ppp"};
+*/
+char *disconnector []; /* Script to disestablish physical link */
+char *welcomer []; /* Script to run after phys link estab. */
+int maxconnect = 0; /* Maximum connect time */
+char user[MAXNAMELEN]="stb"; /* Username for PAP */
+char passwd[MAXSECRETLEN]="stb"; /* Password for PAP */
+int auth_required = 0; /* Peer is required to authenticate */
+int defaultroute = 1; /* assign default route through interface */
+int proxyarp = 0; /* Set up proxy ARP entry for peer */
+int persist = 1; /* Reopen link after it goes down */
+int uselogin = 0; /* Use /etc/passwd for checking PAP */
+int lcp_echo_interval = 0; /* Interval between LCP echo-requests */
+int lcp_echo_fails = 0; /* Tolerance to unanswered echo-requests */
+char our_name[MAXNAMELEN]="infotel"; /* Our name for authentication purposes */
+char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
+int explicit_remote = 0; /* User specified explicit remote name */
+int usehostname = 0; /* Use hostname for our_name */
+int disable_defaultip = 1; /* Don't use hostname for default IP adrs */
+int demand = 0; /* do dial-on-demand */
+char *ipparam = NULL; /* Extra parameter for ip up/down scripts */
+int cryptpap; /* Passwords in pap-secrets are encrypted */
+int idle_time_limit = 0; /* Disconnect if idle for this many seconds */
+int holdoff = 30; /* # seconds to pause before reconnecting */
+int refuse_pap = 0; /* Set to say we won't do PAP */
+int refuse_chap = 1; /* Set to say we won't do CHAP */
+
+#ifdef MSLANMAN
+int ms_lanman = 0; /* Nonzero if use LanMan password instead of NT */
+ /* Has meaning only with MS-CHAP challenges */
+#endif
+
+struct option_info auth_req_info;
+struct option_info connector_info;
+struct option_info disconnector_info;
+struct option_info welcomer_info;
+struct option_info devnam_info;
+#ifdef PPP_FILTER
+struct bpf_program pass_filter;/* Filter program for packets to pass */
+struct bpf_program active_filter; /* Filter program for link-active pkts */
+pcap_t pc; /* Fake struct pcap so we can compile expr */
+#endif
+
+/*
+ * Prototypes
+ */
+#if 0
+static int setdevname __P((char *, int));
+static int setipaddr __P((char *));
+static int setspeed __P((char *));
+static int setdebug __P((char **));
+static int setkdebug __P((char **));
+static int setpassive __P((char **));
+static int setsilent __P((char **));
+static int noopt __P((char **));
+static int setnovj __P((char **));
+static int setnovjccomp __P((char **));
+static int setvjslots __P((char **));
+static int reqpap __P((char **));
+static int nopap __P((char **));
+#ifdef OLD_OPTIONS
+static int setupapfile __P((char **));
+#endif
+static int nochap __P((char **));
+static int reqchap __P((char **));
+static int noaccomp __P((char **));
+static int noasyncmap __P((char **));
+static int noip __P((char **));
+static int nomagicnumber __P((char **));
+static int setasyncmap __P((char **));
+static int setescape __P((char **));
+static int setmru __P((char **));
+static int setmtu __P((char **));
+#ifdef CBCP_SUPPORT
+static int setcbcp __P((char **));
+#endif
+static int nomru __P((char **));
+static int nopcomp __P((char **));
+static int setconnector __P((char **));
+static int setdisconnector __P((char **));
+static int setwelcomer __P((char **));
+static int setmaxconnect __P((char **));
+static int setdomain __P((char **));
+static int setnetmask __P((char **));
+static int setcrtscts __P((char **));
+static int setnocrtscts __P((char **));
+static int setxonxoff __P((char **));
+static int setnodetach __P((char **));
+static int setupdetach __P((char **));
+static int setmodem __P((char **));
+static int setlocal __P((char **));
+static int setlock __P((char **));
+static int setname __P((char **));
+static int setuser __P((char **));
+static int setremote __P((char **));
+static int setauth __P((char **));
+static int setnoauth __P((char **));
+static int readfile __P((char **));
+static int callfile __P((char **));
+static int setdefaultroute __P((char **));
+static int setnodefaultroute __P((char **));
+static int setproxyarp __P((char **));
+static int setnoproxyarp __P((char **));
+static int setpersist __P((char **));
+static int setnopersist __P((char **));
+static int setdologin __P((char **));
+static int setusehostname __P((char **));
+static int setnoipdflt __P((char **));
+static int setlcptimeout __P((char **));
+static int setlcpterm __P((char **));
+static int setlcpconf __P((char **));
+static int setlcpfails __P((char **));
+static int setipcptimeout __P((char **));
+static int setipcpterm __P((char **));
+static int setipcpconf __P((char **));
+static int setipcpfails __P((char **));
+static int setpaptimeout __P((char **));
+static int setpapreqs __P((char **));
+static int setpapreqtime __P((char **));
+static int setchaptimeout __P((char **));
+static int setchapchal __P((char **));
+static int setchapintv __P((char **));
+static int setipcpaccl __P((char **));
+static int setipcpaccr __P((char **));
+static int setlcpechointv __P((char **));
+static int setlcpechofails __P((char **));
+static int noccp __P((char **));
+static int setbsdcomp __P((char **));
+static int setnobsdcomp __P((char **));
+static int setdeflate __P((char **));
+static int setnodeflate __P((char **));
+static int setnodeflatedraft __P((char **));
+static int setdemand __P((char **));
+static int setpred1comp __P((char **));
+static int setnopred1comp __P((char **));
+static int setipparam __P((char **));
+static int setpapcrypt __P((char **));
+static int setidle __P((char **));
+static int setholdoff __P((char **));
+static int setdnsaddr __P((char **));
+static int resetipxproto __P((char **));
+static int setwinsaddr __P((char **));
+static int showversion __P((char **));
+static int showhelp __P((char **));
+
+#ifdef PPP_FILTER
+static int setpdebug __P((char **));
+static int setpassfilter __P((char **));
+static int setactivefilter __P((char **));
+#endif
+
+#ifdef IPX_CHANGE
+static int setipxproto __P((char **));
+static int setipxanet __P((char **));
+static int setipxalcl __P((char **));
+static int setipxarmt __P((char **));
+static int setipxnetwork __P((char **));
+static int setipxnode __P((char **));
+static int setipxrouter __P((char **));
+static int setipxname __P((char **));
+static int setipxcptimeout __P((char **));
+static int setipxcpterm __P((char **));
+static int setipxcpconf __P((char **));
+static int setipxcpfails __P((char **));
+#endif /* IPX_CHANGE */
+
+#ifdef MSLANMAN
+static int setmslanman __P((char **));
+#endif
+
+static int number_option __P((char *, u_int32_t *, int));
+static int int_option __P((char *, int *));
+static int readable __P((int fd));
+#endif
+
+/*
+ * Valid arguments.
+ */
+
+/*
+ * parse_args - parse a string of arguments from the command line.
+ */
+int
+parse_args(argc, argv)
+ int argc;
+ char **argv;
+{
+
+
+return 0;
+}
+
+/*
+ * scan_args - scan the command line arguments to get the tty name,
+ * if specified.
+ */
+
+/*
+ * usage - print out a message telling how to use the program.
+ */
+void
+usage()
+{
+ }
+
+/*
+ * showhelp - print out usage message and exit.
+ */
+static int
+showhelp(argv)
+ char **argv;
+{
+ return 0;
+}
+
+/*
+ * showversion - print out the version number and exit.
+ */
+static int
+showversion(argv)
+ char **argv;
+{
+ return 0;
+}
+
+void
+option_error __V((char *fmt, ...))
+{
+}
+/*
+ * readable - check if a file is readable by the real user.
+ */
+/*static int
+readable(fd)
+ int fd;
+{
+ uid_t uid;
+ int ngroups, i;
+ struct stat sbuf;
+ GIDSET_TYPE groups[NGROUPS_MAX];
+
+ uid = getuid();
+ if (uid == 0)
+ return 1;
+ if (fstat(fd, &sbuf) != 0)
+ return 0;
+ if (sbuf.st_uid == uid)
+ return sbuf.st_mode & S_IRUSR;
+ if (sbuf.st_gid == getgid())
+ return sbuf.st_mode & S_IRGRP;
+ ngroups = getgroups(NGROUPS_MAX, groups);
+ for (i = 0; i < ngroups; ++i)
+ if (sbuf.st_gid == groups[i])
+ return sbuf.st_mode & S_IRGRP;
+ return sbuf.st_mode & S_IROTH;
+}
+*/
+/*
+ * Read a word from a file.
+ * Words are delimited by white-space or by quotes (" or ').
+ * Quotes, white-space and \ may be escaped with \.
+ * \<newline> is ignored.
+ */
+
+ /*
+ * The following procedures parse options.
+ */
+
+/*
+ * readfile - take commands from a file.
+ */
+
+/*
+ * callfile - take commands from /etc/ppp/peers/<name>.
+ * Name may not contain /../, start with / or ../, or end in /..
+ */
+ /*
+ * setdebug - Set debug (command line argument).
+ */
+
+
+/*
+ * noopt - Disable all options.
+ */
+static int
+noopt(argv)
+ char **argv;
+{
+ BZERO((char *) &lcp_wantoptions[0], sizeof (struct lcp_options));
+ BZERO((char *) &lcp_allowoptions[0], sizeof (struct lcp_options));
+ BZERO((char *) &ipcp_wantoptions[0], sizeof (struct ipcp_options));
+ BZERO((char *) &ipcp_allowoptions[0], sizeof (struct ipcp_options));
+
+#ifdef IPX_CHANGE
+ BZERO((char *) &ipxcp_wantoptions[0], sizeof (struct ipxcp_options));
+ BZERO((char *) &ipxcp_allowoptions[0], sizeof (struct ipxcp_options));
+#endif /* IPX_CHANGE */
+
+ return (1);
+}