summaryrefslogtreecommitdiffstats
path: root/c/src/libnetworking/pppd/chat.c
diff options
context:
space:
mode:
authorRalf Corsepius <ralf.corsepius@rtems.org>2005-10-26 16:41:59 +0000
committerRalf Corsepius <ralf.corsepius@rtems.org>2005-10-26 16:41:59 +0000
commit1e34f3f20cab3d81a0b7bc263fbc580a0985893e (patch)
tree840b68c94ce5e0a7cabeb61126ce151b275fa53f /c/src/libnetworking/pppd/chat.c
parentRemove (diff)
downloadrtems-1e34f3f20cab3d81a0b7bc263fbc580a0985893e.tar.bz2
Remove (Moved to cpukit).
Diffstat (limited to '')
-rw-r--r--c/src/libnetworking/pppd/chat.c857
1 files changed, 0 insertions, 857 deletions
diff --git a/c/src/libnetworking/pppd/chat.c b/c/src/libnetworking/pppd/chat.c
deleted file mode 100644
index 4c1378be63..0000000000
--- a/c/src/libnetworking/pppd/chat.c
+++ /dev/null
@@ -1,857 +0,0 @@
-/*
- * Chat -- a program for automatic session establishment (i.e. dial
- * the phone and log in).
- *
- * Standard termination codes:
- * 0 - successful completion of the script
- * 1 - invalid argument, expect string too large, etc.
- * 2 - error on an I/O operation or fatal error condition.
- * 3 - timeout waiting for a simple string.
- * 4 - the first string declared as "ABORT"
- * 5 - the second string declared as "ABORT"
- * 6 - ... and so on for successive ABORT strings.
- *
- * This software is in the public domain.
- *
- * -----------------
- * 22-May-99 added environment substitutuion, enabled with -E switch.
- * Andreas Arens <andras@cityweb.de>.
- *
- * 12-May-99 added a feature to read data to be sent from a file,
- * if the send string starts with @. Idea from gpk <gpk@onramp.net>.
- *
- * added -T and -U option and \T and \U substitution to pass a phone
- * number into chat script. Two are needed for some ISDN TA applications.
- * Keith Dart <kdart@cisco.com>
- *
- *
- * Added SAY keyword to send output to stderr.
- * This allows to turn ECHO OFF and to output specific, user selected,
- * text to give progress messages. This best works when stderr
- * exists (i.e.: pppd in nodetach mode).
- *
- * Added HANGUP directives to allow for us to be called
- * back. When HANGUP is set to NO, chat will not hangup at HUP signal.
- * We rely on timeouts in that case.
- *
- * Added CLR_ABORT to clear previously set ABORT string. This has been
- * dictated by the HANGUP above as "NO CARRIER" (for example) must be
- * an ABORT condition until we know the other host is going to close
- * the connection for call back. As soon as we have completed the
- * first stage of the call back sequence, "NO CARRIER" is a valid, non
- * fatal string. As soon as we got called back (probably get "CONNECT"),
- * we should re-arm the ABORT "NO CARRIER". Hence the CLR_ABORT command.
- * Note that CLR_ABORT packs the abort_strings[] array so that we do not
- * have unused entries not being reclaimed.
- *
- * In the same vein as above, added CLR_REPORT keyword.
- *
- * Allow for comments. Line starting with '#' are comments and are
- * ignored. If a '#' is to be expected as the first character, the
- * expect string must be quoted.
- *
- *
- * Francis Demierre <Francis@SwissMail.Com>
- * Thu May 15 17:15:40 MET DST 1997
- *
- *
- * Added -r "report file" switch & REPORT keyword.
- * Robert Geer <bgeer@xmission.com>
- *
- * Added -s "use stderr" and -S "don't use syslog" switches.
- * June 18, 1997
- * Karl O. Pinc <kop@meme.com>
- *
- *
- * Added -e "echo" switch & ECHO keyword
- * Dick Streefland <dicks@tasking.nl>
- *
- *
- * Considerable updates and modifications by
- * Al Longyear <longyear@pobox.com>
- * Paul Mackerras <paulus@cs.anu.edu.au>
- *
- *
- * The original author is:
- *
- * Karl Fox <karl@MorningStar.Com>
- * Morning Star Technologies, Inc.
- * 1760 Zollinger Road
- * Columbus, OH 43221
- * (614)451-1883
- *
- */
-
-/* $Id$ */
-
-/*
- Fixes and some Changes by Wilfried Busalski Lancier-Monitoring GmbH Germany
- wilfried.busalski@muenster.de
-
- Fixes: put_string() Free memory allocated by clean()
- get_string() Free memory allocated by clean()
- chat_main() Will Distroy's no more the chat-script
- getnextcommand() sepatator changed to '@'
-*/
-
-#include <stdio.h>
-#include <ctype.h>
-#include <time.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <syslog.h>
-#include <termios.h>
-#include "pppd.h"
-
-#undef TERMIOS
-#define TERMIOS
-
-
-#define STR_LEN 1024
-char temp2[STR_LEN];
-
-#ifndef SIGTYPE
-#define SIGTYPE void
-#endif
-
-#undef __P
-#undef __V
-
-#ifdef __STDC__
-#include <stdarg.h>
-#define __V(x) x
-#define __P(x) x
-#else
-#include <varargs.h>
-#define __V(x) (va_alist) va_dcl
-#define __P(x) ()
-#define const
-#endif
-
-#ifndef O_NONBLOCK
-#define O_NONBLOCK O_NDELAY
-#endif
-
-
-/*************** Micro getopt() *********************************************/
-#define OPTION(c,v) (_O&2&&**v?*(*v)++:!c||_O&4?0:(!(_O&1)&& \
- (--c,++v),_O=4,c&&**v=='-'&&v[0][1]?*++*v=='-'\
- &&!v[0][1]?(--c,++v,0):(_O=2,*(*v)++):0))
-#define OPTARG(c,v) (_O&2?**v||(++v,--c)?(_O=1,--c,*v++): \
- (_O=4,(char*)0):(char*)0)
-#define OPTONLYARG(c,v) (_O&2&&**v?(_O=1,--c,*v++):(char*)0)
-#define ARG(c,v) (c?(--c,*v++):(char*)0)
-
-#if 0
-static int _O = 0; /* Internal state */
-#endif
-/*************** Micro getopt() *********************************************/
-
-#define MAX_ABORTS 16
-#define MAX_REPORTS 16
-#define DEFAULT_CHAT_TIMEOUT 45
-#define MAX_TIMEOUTS 10
-
-static int echo = 0;
-static int quiet = 0;
-static int use_env = 0;
-static int exit_code = 0;
-static char *phone_num = (char *) 0;
-static char *phone_num2 = (char *) 0;
-static int ttyfd;
-static int timeout = DEFAULT_CHAT_TIMEOUT;
-
-#ifdef TERMIOS
-#define term_parms struct termios
-#define get_term_param(param) tcgetattr(0, param)
-#define set_term_param(param) tcsetattr(0, TCSANOW, param)
-struct termios saved_tty_parameters;
-#endif
-
-char *fail_reason = (char *)0;
-char fail_buffer[50];
-char *abort_string[MAX_ABORTS]={"BUSY","NO DIALTONE","NO CARRIER","NO ANSWER","RING\r\nRING"};
-int n_aborts = 5;
-int abort_next = 0, timeout_next = 0, echo_next = 0;
-int clear_abort_next = 0;
-
-char *report_string[MAX_REPORTS] ;
-char report_buffer[50] ;
-int n_reports = 0, report_next = 0, report_gathering = 0 ;
-int clear_report_next = 0;
-
-int say_next = 0, hup_next = 0;
-
-void *dup_mem __P((void *b, size_t c));
-void *copy_of __P((char *s));
-void break_sequence __P((void));
-static int get_string __P((register char *string));
-static int put_string __P((register char *s));
-static int write_char __P((int c));
-static int put_char __P((int c));
-static int get_char __P((void));
-void chat_send __P((register char *s));
-/* static char *character __P((int c)); */
-void chat_expect __P((register char *s));
-static char *clean __P((register char *s, int sending));
-char *expect_strtok __P((char *, char *));
-int chatmain __P((int, int, char *));
-
-
-void *dup_mem(b, c)
-void *b;
-size_t c;
-{
- void *ans = malloc (c);
- if (!ans)
- return NULL;
-
- memcpy(ans, b, c);
- return ans;
-}
-
-void *copy_of (s)
-char *s;
-{
- return dup_mem(s, strlen (s) + 1);
-}
-
-char *getnextcommand(char *string,char *buff)
-{
- char *token;
- int len;
-
- token=strchr(string,'@');
- if (token==NULL){
- return NULL;
- }
- len=token-string;
- if(len > 78 ){
- len=78;
- }
- memcpy(buff,string,len);
- buff[len]=0;
- return(token+1);
-}
-
-int chatmain(int fd, int mode, char *pScript)
-{
- char arg[80];
- char *script;
-
- /* initialize exit code */
- exit_code = 0;
- ttyfd = fd;
-
- script=pScript;
-
- if ( debug ) {
- dbglog("chat_main: %s\n", script);
- }
-
- /* get first expect string */
- script = getnextcommand(script,arg);
- while (( script != NULL ) && ( exit_code == 0 )) {
- /* process the expect string */
- chat_expect(arg);
- if ( exit_code == 0 ) {
- /* get the next send string */
- script = getnextcommand(script,arg);
- if ( script != NULL ) {
- /* process the send string */
- chat_send(arg);
-
- /* get the next expect string */
- script = getnextcommand(script,arg);
- }
- }
- }
- ttyfd = (int)-1;
-
- return ( exit_code );
-}
-
-void break_sequence()
-{
- tcsendbreak(ttyfd, 0);
-}
-
-/*
- * 'Clean up' this string.
- */
-static char *clean(s, sending)
-register char *s;
-int sending; /* set to 1 when sending (putting) this string. */
-{
- char temp[STR_LEN], env_str[STR_LEN], cur_chr;
- register char *s1, *phchar;
- int add_return = sending;
-#define isoctal(chr) (((chr) >= '0') && ((chr) <= '7'))
-#define isalnumx(chr) ((((chr) >= '0') && ((chr) <= '9')) \
- || (((chr) >= 'a') && ((chr) <= 'z')) \
- || (((chr) >= 'A') && ((chr) <= 'Z')) \
- || (chr) == '_')
-
- s1 = temp;
- while (*s) {
- cur_chr = *s++;
- if (cur_chr == '^') {
- cur_chr = *s++;
- if (cur_chr == '\0') {
- *s1++ = '^';
- break;
- }
- cur_chr &= 0x1F;
- if (cur_chr != 0) {
- *s1++ = cur_chr;
- }
- continue;
- }
-
- if (use_env && cur_chr == '$') { /* ARI */
- phchar = env_str;
- while (isalnumx(*s))
- *phchar++ = *s++;
- *phchar = '\0';
- phchar = getenv(env_str);
- if (phchar)
- while (*phchar)
- *s1++ = *phchar++;
- continue;
- }
-
- if (cur_chr != '\\') {
- *s1++ = cur_chr;
- continue;
- }
-
- cur_chr = *s++;
- if (cur_chr == '\0') {
- if (sending) {
- *s1++ = '\\';
- *s1++ = '\\';
- }
- break;
- }
-
- switch (cur_chr) {
- case 'b':
- *s1++ = '\b';
- break;
-
- case 'c':
- if (sending && *s == '\0')
- add_return = 0;
- else
- *s1++ = cur_chr;
- break;
-
- case '\\':
- case 'K':
- case 'p':
- case 'd':
- if (sending)
- *s1++ = '\\';
- *s1++ = cur_chr;
- break;
-
- case 'T':
- if (sending && phone_num) {
- for (phchar = phone_num; *phchar != '\0'; phchar++)
- *s1++ = *phchar;
- }
- else {
- *s1++ = '\\';
- *s1++ = 'T';
- }
- break;
-
- case 'U':
- if (sending && phone_num2) {
- for (phchar = phone_num2; *phchar != '\0'; phchar++)
- *s1++ = *phchar;
- }
- else {
- *s1++ = '\\';
- *s1++ = 'U';
- }
- break;
-
- case 'q':
- quiet = 1;
- break;
-
- case 'r':
- *s1++ = '\r';
- break;
-
- case 'n':
- *s1++ = '\n';
- break;
-
- case 's':
- *s1++ = ' ';
- break;
-
- case 't':
- *s1++ = '\t';
- break;
-
- case 'N':
- if (sending) {
- *s1++ = '\\';
- *s1++ = '\0';
- }
- else
- *s1++ = 'N';
- break;
-
- case '$': /* ARI */
- if (use_env) {
- *s1++ = cur_chr;
- break;
- }
- /* FALL THROUGH */
-
- default:
- if (isoctal (cur_chr)) {
- cur_chr &= 0x07;
- if (isoctal (*s)) {
- cur_chr <<= 3;
- cur_chr |= *s++ - '0';
- if (isoctal (*s)) {
- cur_chr <<= 3;
- cur_chr |= *s++ - '0';
- }
- }
-
- if (cur_chr != 0 || sending) {
- if (sending && (cur_chr == '\\' || cur_chr == 0))
- *s1++ = '\\';
- *s1++ = cur_chr;
- }
- break;
- }
-
- if (sending)
- *s1++ = '\\';
- *s1++ = cur_chr;
- break;
- }
- }
-
- if (add_return)
- *s1++ = '\r';
-
- *s1++ = '\0'; /* guarantee closure */
- *s1++ = '\0'; /* terminate the string */
- return dup_mem (temp, (size_t) (s1 - temp)); /* may have embedded nuls */
-}
-
-/*
- * A modified version of 'strtok'. This version skips \ sequences.
- */
-char *expect_strtok (s, term)
- char *s, *term;
-{
- static char *str = "";
- int escape_flag = 0;
- char *result;
-
-/*
- * If a string was specified then do initial processing.
- */
- if (s)
- str = s;
-
-/*
- * If this is the escape flag then reset it and ignore the character.
- */
- if (*str)
- result = str;
- else
- result = (char *) 0;
-
- while (*str) {
- if (escape_flag) {
- escape_flag = 0;
- ++str;
- continue;
- }
-
- if (*str == '\\') {
- ++str;
- escape_flag = 1;
- continue;
- }
-
-/*
- * If this is not in the termination string, continue.
- */
- if (strchr (term, *str) == (char *) 0) {
- ++str;
- continue;
- }
-
-/*
- * This is the terminator. Mark the end of the string and stop.
- */
- *str++ = '\0';
- break;
- }
- return (result);
-}
-
-/*
- * Process the expect string
- */
-void chat_expect (s)
-char *s;
-{
- char *expect;
- char *reply;
-
- if (strcmp(s, "HANGUP") == 0) {
- ++hup_next;
- return;
- }
-
- if (strcmp(s, "ABORT") == 0) {
- ++abort_next;
- return;
- }
-
- if (strcmp(s, "CLR_ABORT") == 0) {
- ++clear_abort_next;
- return;
- }
-
- if (strcmp(s, "REPORT") == 0) {
- ++report_next;
- return;
- }
-
- if (strcmp(s, "CLR_REPORT") == 0) {
- ++clear_report_next;
- return;
- }
-
- if (strcmp(s, "TIMEOUT") == 0) {
- ++timeout_next;
- return;
- }
-
- if (strcmp(s, "ECHO") == 0) {
- ++echo_next;
- return;
- }
-
- if (strcmp(s, "SAY") == 0) {
- ++say_next;
- return;
- }
-
-/*
- * Fetch the expect and reply string.
- */
- for (;;) {
- expect = expect_strtok (s, "-");
- s = (char *) 0;
-
- if (expect == (char *) 0)
- return;
-
- reply = expect_strtok (s, "-");
-
-/*
- * Handle the expect string. If successful then exit.
- */
- if (get_string (expect))
- return;
-
-/*
- * If there is a sub-reply string then send it. Otherwise any condition
- * is terminal.
- */
- if (reply == (char *) 0 || exit_code != 3)
- break;
-
- chat_send (reply);
- }
-}
-
-#if 0
-/*
- * Translate the input character to the appropriate string for printing
- * the data.
- */
-
-static char *character(c)
-int c;
-{
- static char string[10];
- char *meta;
-
- meta = (c & 0x80) ? "M-" : "";
- c &= 0x7F;
-
- if (c < 32)
- sprintf(string, "%s^%c", meta, (int)c + '@');
- else if (c == 127)
- sprintf(string, "%s^?", meta);
- else
- sprintf(string, "%s%c", meta, c);
-
- return (string);
-}
-#endif
-
-/*
- * process the reply string
- */
-void chat_send (s)
-register char *s;
-{
-/* char file_data[STR_LEN]; */
-
- if (say_next) {
- say_next = 0;
- s = clean(s, 1);
- write(2, s, strlen(s));
- free(s);
- return;
- }
-
- if (hup_next) {
- hup_next = 0;
- return;
- }
-
- if (echo_next) {
- echo_next = 0;
- echo = (strcmp(s, "ON") == 0);
- return;
- }
-
- if (abort_next) {
- abort_next = 0;
- if ( n_aborts < MAX_ABORTS ) {
- char *s1;
- s1 = clean(s, 0);
- if (( strlen(s1) <= strlen(s) ) && ( strlen(s1) < sizeof(fail_buffer)))
- abort_string[n_aborts++] = s1;
- else
- free(s1);
- }
- return;
- }
-
- if (clear_abort_next) {
- clear_abort_next = 0;
- return;
- }
-
- if (report_next) {
- report_next = 0;
- return;
- }
-
- if (clear_report_next) {
- clear_report_next = 0;
- return;
- }
-
- if (timeout_next) {
- timeout_next = 0;
- timeout = atoi(s);
-
- if (timeout <= 0){
- timeout = DEFAULT_CHAT_TIMEOUT;
- }
- return;
- }
-
- if (strcmp(s, "EOT") == 0){
- s = "^D\\c";
- }
- else{
- if (strcmp(s, "BREAK") == 0){
- s = "\\K\\c";
- }
-
- if (!put_string(s)) {
- exit_code = 2;
- }
- }
-}
-
-static int get_char()
-{
- int status;
- char c;
- int tries=MAX_TIMEOUTS;
-
- while(tries)
- {
- status = read(ttyfd, &c, 1);
- switch (status) {
- case 1:
- return ((int)c & 0x7F);
- default:
- tries--;
- }
- }
- return -1;
-}
-
-static int put_char(c)
-int c;
-{
- char ch = c;
-
- return(write(ttyfd, &ch, 1));
-}
-
-static int write_char (c)
-int c;
-{
- if (put_char(c) < 1) {
- return (0);
- }
- return (1);
-}
-
-static int put_string (s)
-register char *s;
-{
- char *out,*free_ptr=0;
-
- quiet = 0;
- out = free_ptr = clean(s, 1);
- while (*out) {
- register char c = *out++;
-
- if (c != '\\') {
- if (!write_char (c)){
- free(free_ptr);
- return 0;
- }
- continue;
- }
-
- c = *out++;
-
- switch (c) {
- case 'd':
- sleep(1);
- break;
-
- case 'K':
- break_sequence();
- break;
-
- case 'p':
-#if 0 /* FIXME!!! */
- usleep(10000); /* 1/100th of a second (arg is microseconds) */
-#else
- sleep(1);
-#endif
- break;
-
- default:
- if (!write_char (c)){
- free(free_ptr);
- return 0;
- }
- break;
- }
- }
- free(free_ptr);
-
- return (1);
-}
-
-/*
- * 'Wait for' this string to appear on this file descriptor.
- */
-static int get_string(in_string)
-register char *in_string;
-{
- int c, len, minlen;
- register char *s = temp2, *end = s + STR_LEN;
- char *logged = temp2;
- char *string=0;
- struct termios tios;
-
- memset(temp2, 0, sizeof(temp2));
-
- tcgetattr(ttyfd, &tios);
- tios.c_cc[VMIN] = 0;
- tios.c_cc[VTIME] = timeout*10/MAX_TIMEOUTS;
- tcsetattr(ttyfd, TCSANOW, &tios);
-
- string = clean(in_string, 0);
- len = strlen(string);
- minlen = (len > sizeof(fail_buffer)? len: sizeof(fail_buffer)) - 1;
-
- if (len > STR_LEN) {
- exit_code = 1;
- free(string);
- return 0;
- }
-
- if (len == 0) {
- free(string);
- return (1);
- }
-
- while ( (c = get_char()) >= 0) {
- int n, abort_len;
-
- if(c == '\n' || c == '\r'){
- s = temp2;
- *s=0;
- }
- else{
- *s++ = c;
- *s=0;
- }
-
- if (s - temp2 >= len &&
- c == string[len - 1] &&
- strncmp(s - len, string, len) == 0) {
- free(string);
- return (1);
- }
-
- for (n = 0; n < n_aborts; ++n) {
- if (s - temp2 >= (abort_len = strlen(abort_string[n])) &&
- strncmp(s - abort_len, abort_string[n], abort_len) == 0) {
-
- exit_code = n + 4;
- strcpy(fail_reason = fail_buffer, abort_string[n]);
- free(string);
- return (0);
- }
- }
-
- if (s >= end) {
- if (logged < s - minlen) {
- logged = s;
- }
- s -= minlen;
- memmove(temp2, s, minlen);
- logged = temp2 + (logged - s);
- s = temp2 + minlen;
- }
- }
-
- exit_code = 3;
- free(string);
- return (0);
-}