accept A/C & proto compression and asyncmap from the start;
[ppp.git] / chat / chat.c
index 498736952df06658a434258ed104f386e5398e2a..f7aaabf1a30050d66130078c018a6d469b0b265c 100644 (file)
@@ -2,45 +2,53 @@
  *     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 condtion.
+ *  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.
  *
  *     Please send all bug reports, requests for information, etc. to:
  *
+ *             Al Longyear (longyear@netcom.com)
+ *             (I was the last person to change this code.)
+ *
+ *      Added -r "report file" switch & REPORT keyword.
+ *              Robert Geer <bgeer@xmission.com>
+ *
+ *     The original author is:
+ *
  *             Karl Fox <karl@MorningStar.Com>
  *             Morning Star Technologies, Inc.
  *             1760 Zollinger Road
  *             Columbus, OH  43221
  *             (614)451-1883
+ *
  */
 
-/*static char sccs_id[] = "@(#)chat.c  1.7";*/
-static char rcsid[] = "$Id: chat.c,v 1.1 1994/05/20 05:32:16 paulus Exp $";
+static char rcsid[] = "$Id: chat.c,v 1.9 1995/06/12 11:24:15 paulus Exp $";
 
 #include <stdio.h>
+#include <time.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <errno.h>
+#include <string.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <varargs.h>
 #include <syslog.h>
 
 #ifndef TERMIO
+#undef TERMIOS
 #define TERMIOS
 #endif
 
-#ifdef sun
-# if defined(SUNOS) && SUNOS >= 41
-# ifndef HDB
-#  define      HDB
-# endif
-# endif
-#endif
-
-#ifdef ultrix
-#define SIGHAND_TYPE    int (*)()
-#endif
-
 #ifdef TERMIO
 #include <termio.h>
 #endif
@@ -54,6 +62,18 @@ static char rcsid[] = "$Id: chat.c,v 1.1 1994/05/20 05:32:16 paulus Exp $";
 #define SIGTYPE void
 #endif
 
+#ifdef __STDC__
+#undef __P
+#define __P(x) x
+#else
+#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=='-'\
@@ -68,37 +88,32 @@ static int _O = 0;          /* Internal state */
 
 char *program_name;
 
-extern char *strcpy(), *strcat(), *malloc();
-extern int strlen();
-#define        copyof(s)       ((s) ? strcpy(malloc(strlen(s) + 1), s) : (s))
-
-#ifndef LOCK_DIR
-# ifdef __NetBSD__
-# define       PIDSTRING
-# define       LOCK_DIR        "/var/spool/lock"
-# else
-#  ifdef HDB
-#   define     PIDSTRING
-#   define     LOCK_DIR        "/usr/spool/locks"
-#  else /* HDB */
-#   define     LOCK_DIR        "/usr/spool/uucp"
-#  endif /* HDB */
-# endif
-#endif /* LOCK_DIR */
-
 #define        MAX_ABORTS              50
+#define        MAX_REPORTS             50
 #define        DEFAULT_CHAT_TIMEOUT    45
 
-int verbose = 0;
-int quiet = 0;
-char *lock_file = (char *)0;
-int timeout = DEFAULT_CHAT_TIMEOUT;
+int verbose       = 0;
+int quiet         = 0;
+int report        = 0;
+int exit_code     = 0;
+FILE* report_fp   = (FILE *) 0;
+char *report_file = (char *) 0;
+char *chat_file   = (char *) 0;
+int timeout       = DEFAULT_CHAT_TIMEOUT;
 
 int have_tty_parameters = 0;
+
 #ifdef TERMIO
+#define term_parms struct termio
+#define get_term_param(param) ioctl(0, TCGETA, param)
+#define set_term_param(param) ioctl(0, TCSETA, param)
 struct termio saved_tty_parameters;
 #endif
+
 #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
 
@@ -106,291 +121,480 @@ char *abort_string[MAX_ABORTS], *fail_reason = (char *)0,
        fail_buffer[50];
 int n_aborts = 0, abort_next = 0, timeout_next = 0;
 
+char *report_string[MAX_REPORTS] ;
+char  report_buffer[50] ;
+int n_reports = 0, report_next = 0, report_gathering = 0 ; 
+
+void *dup_mem __P((void *b, size_t c));
+void *copy_of __P((char *s));
+void usage __P((void));
+void logf __P((const char *str));
+void logflush __P((void));
+void fatal __P((const char *msg));
+void sysfatal __P((const char *msg));
+SIGTYPE sigalrm __P((int signo));
+SIGTYPE sigint __P((int signo));
+SIGTYPE sigterm __P((int signo));
+SIGTYPE sighup __P((int signo));
+void unalarm __P((void));
+void init __P((void));
+void set_tty_parameters __P((void));
+void break_sequence __P((void));
+void terminate __P((int status));
+void do_file __P((char *chat_file));
+int  get_string __P((register char *string));
+int  put_string __P((register char *s));
+int  write_char __P((int c));
+int  put_char __P((int c));
+int  get_char __P((void));
+void chat_send __P((register char *s));
+char *character __P((int c));
+void chat_expect __P((register char *s));
+char *clean __P((register char *s, int sending));
+void break_sequence __P((void));
+void terminate __P((int status));
+void die __P((void));
+
+void *dup_mem(b, c)
+void *b;
+size_t c;
+    {
+    void *ans = malloc (c);
+    if (!ans)
+        {
+       fatal ("memory error!\n");
+        }
+    memcpy (ans, b, c);
+    return ans;
+    }
+
+void *copy_of (s)
+char *s;
+    {
+    return dup_mem (s, strlen (s) + 1);
+    }
+
 /*
- *     chat [ -v ] [ -t timeout ] [ -l lock-file ] \
+ *     chat [ -v ] [ -t timeout ] [ -f chat-file ] [ -r report-file ] \
  *             [...[[expect[-say[-expect...]] say expect[-say[-expect]] ...]]]
  *
  *     Perform a UUCP-dialer-like chat script on stdin and stdout.
  */
+int
 main(argc, argv)
 int argc;
 char **argv;
     {
-    int option, n;
+    int option;
     char *arg;
 
     program_name = *argv;
+    tzset();
 
     while (option = OPTION(argc, argv))
+        {
        switch (option)
            {
            case 'v':
                ++verbose;
                break;
 
-           case 'l':
+           case 'f':
                if (arg = OPTARG(argc, argv))
-                   lock_file = copyof(arg);
+                   {
+                   chat_file = copy_of(arg);
+                   }
                else
+                   {
                    usage();
-
+                   }
                break;
 
            case 't':
                if (arg = OPTARG(argc, argv))
+                   {
                    timeout = atoi(arg);
+                   }
                else
+                   {
                    usage();
+                   }
+               break;
 
+           case 'r':
+               arg = OPTARG (argc, argv);
+               if (arg)
+                   {
+                   if (report_fp != NULL)
+                       {
+                       fclose (report_fp);
+                       }
+                   report_file = copy_of (arg);
+                   report_fp   = fopen (report_file, "a");
+                   if (report_fp != NULL)
+                       {
+                       if (verbose)
+                           {
+                           fprintf (report_fp, "Opening \"%s\"...\n",
+                                    report_file);
+                           }
+                       report = 1;
+                       }
+                   }
                break;
 
            default:
                usage();
+               break;
            }
+      }
+/*
+ * Default the report file to the stderr location
+ */
+    if (report_fp == NULL)
+        {
+       report_fp = stderr;
+        }
 
 #ifdef ultrix
     openlog("chat", LOG_PID);
 #else
     openlog("chat", LOG_PID | LOG_NDELAY, LOG_LOCAL2);
 
-    if (verbose) {
-        setlogmask(LOG_UPTO(LOG_INFO));
-    } else {
-        setlogmask(LOG_UPTO(LOG_WARNING));
-    }
+    if (verbose)
+        {
+       setlogmask(LOG_UPTO(LOG_INFO));
+        }
+    else
+        {
+       setlogmask(LOG_UPTO(LOG_WARNING));
+        }
 #endif
 
-
     init();
     
-    while (arg = ARG(argc, argv))
+    if (chat_file != NULL)
        {
-       chat_expect(arg);
+       arg = ARG(argc, argv);
+       if (arg != NULL)
+           {
+           usage();
+           }
+       else
+           {
+           do_file (chat_file);
+           }
+       }
+    else
+       {
+       while (arg = ARG(argc, argv))
+           {
+           chat_expect(arg);
 
-       if (arg = ARG(argc, argv))
-           chat_send(arg);
+           if (arg = ARG(argc, argv))
+               {
+               chat_send(arg);
+               }
+           }
        }
 
     terminate(0);
     }
 
+/*
+ *  Process a chat script when read from a file.
+ */
+
+void do_file (chat_file)
+char *chat_file;
+    {
+    int linect, len, sendflg;
+    char *sp, *arg, quote;
+    char buf [STR_LEN];
+    FILE *cfp;
+
+    cfp = fopen (chat_file, "r");
+    if (cfp == NULL)
+       {
+       syslog (LOG_ERR, "%s -- open failed: %m", chat_file);
+       terminate (1);
+       }
+
+    linect = 0;
+    sendflg = 0;
+
+    while (fgets(buf, STR_LEN, cfp) != NULL)
+       {
+       sp = strchr (buf, '\n');
+       if (sp)
+           {
+           *sp = '\0';
+           }
+
+       linect++;
+       sp = buf;
+       while (*sp != '\0')
+           {
+           if (*sp == ' ' || *sp == '\t')
+               {
+               ++sp;
+               continue;
+               }
+
+           if (*sp == '"' || *sp == '\'')
+               {
+               quote = *sp++;
+               arg = sp;
+               while (*sp != quote)
+                   {
+                   if (*sp == '\0')
+                       {
+                       syslog (LOG_ERR, "unterminated quote (line %d)",
+                               linect);
+                       terminate (1);
+                       }
+                   
+                   if (*sp++ == '\\')
+                       {
+                       if (*sp != '\0')
+                           {
+                           ++sp;
+                           }
+                       }
+                   }
+               }
+           else
+               {
+               arg = sp;
+               while (*sp != '\0' && *sp != ' ' && *sp != '\t')
+                   {
+                   ++sp;
+                   }
+               }
+
+           if (*sp != '\0')
+               {
+               *sp++ = '\0';
+               }
+
+           if (sendflg)
+               {
+               chat_send (arg);
+               }
+           else
+               {
+               chat_expect (arg);
+               }
+           sendflg = !sendflg;
+           }
+       }
+    fclose (cfp);
+    }
+
 /*
  *     We got an error parsing the command line.
  */
-usage()
+void usage()
     {
-    fprintf(stderr,
-           "Usage: %s [ -v ] [ -l lock-file ] [ -t timeout ] chat-script\n",
+    fprintf(stderr, "\
+Usage: %s [-v] [-t timeout] [-r report-file] {-f chat-file | chat-script}\n",
            program_name);
     exit(1);
     }
 
+char line[256];
+char *p;
+
+void logf (str)
+const char *str;
+    {
+    p = line + strlen(line);
+    strcat (p, str);
+
+    if (str[strlen(str)-1] == '\n')
+       {
+       syslog (LOG_INFO, "%s", line);
+       line[0] = 0;
+       }
+    }
+
+void logflush()
+    {
+    if (line[0] != 0)
+       {
+       syslog(LOG_INFO, "%s", line);
+       line[0] = 0;
+        }
+    }
+
 /*
- *     Print a warning message.
+ *     Terminate with an error.
  */
-/*VARARGS1*/
-warn(format, arg1, arg2, arg3, arg4)
-char *format;
-int arg1, arg2, arg3, arg4;
+void die()
     {
-    logf("%s: Warning: ", program_name);
-    logf(format, arg1, arg2, arg3, arg4);
-    logf("\n");
+    terminate(1);
     }
 
 /*
  *     Print an error message and terminate.
  */
-/*VARARGS1*/
-fatal(format, arg1, arg2, arg3, arg4)
-char *format;
-int arg1, arg2, arg3, arg4;
+
+void fatal (msg)
+const char *msg;
     {
-    logf("%s: ", program_name);
-    logf(format, arg1, arg2, arg3, arg4);
-    logf("\n");
-    unlock();
-    terminate(1);
+    syslog(LOG_ERR, "%s", msg);
+    terminate(2);
     }
 
 /*
  *     Print an error message along with the system error message and
  *     terminate.
  */
-/*VARARGS1*/
-sysfatal(format, arg1, arg2, arg3, arg4)
-char *format;
-int arg1, arg2, arg3, arg4;
-    {
-    char message[STR_LEN];
 
-    sprintf(message, "%s: ", program_name);
-    sprintf(message + strlen(message), format, arg1, arg2, arg3, arg4);
-    perror(message);
-    unlock();
-    terminate(1);
+void sysfatal (msg)
+const char *msg;
+    {
+    syslog(LOG_ERR, "%s: %m", msg);
+    terminate(2);
     }
 
 int alarmed = 0;
 
-SIGTYPE
-  sigalrm()
-{
+SIGTYPE sigalrm(signo)
+int signo;
+    {
     int flags;
 
-    alarm(1); alarmed = 1;     /* Reset alarm to avoid race window */
+    alarm(1);
+    alarmed = 1;               /* Reset alarm to avoid race window */
     signal(SIGALRM, sigalrm);  /* that can cause hanging in read() */
 
+    logflush();
     if ((flags = fcntl(0, F_GETFL, 0)) == -1)
+        {
        sysfatal("Can't get file mode flags on stdin");
+        }
     else
-       if (fcntl(0, F_SETFL, flags | FNDELAY) == -1)
+        {
+       if (fcntl(0, F_SETFL, flags | O_NONBLOCK) == -1)
+           {
            sysfatal("Can't set file mode flags on stdin");
+           }
+        }
 
     if (verbose)
        {
-       logf("alarm\n");
+       syslog(LOG_INFO, "alarm");
        }
     }
 
-unalarm()
+void unalarm()
     {
     int flags;
 
     if ((flags = fcntl(0, F_GETFL, 0)) == -1)
+        {
        sysfatal("Can't get file mode flags on stdin");
+        }
     else
-       if (fcntl(0, F_SETFL, flags & ~FNDELAY) == -1)
+        {
+       if (fcntl(0, F_SETFL, flags & ~O_NONBLOCK) == -1)
+           {
            sysfatal("Can't set file mode flags on stdin");
+           }
+        }
     }
 
-SIGTYPE
-  sigint()
-{
-  fatal("SIGINT");
-}
+SIGTYPE sigint(signo)
+int signo;
+    {
+    fatal("SIGINT");
+    }
 
-SIGTYPE
-  sigterm()
-{
-  fatal("SIGTERM");
-}
+SIGTYPE sigterm(signo)
+int signo;
+    {
+    fatal("SIGTERM");
+    }
 
-SIGTYPE
-  sighup()
-{
-  fatal("SIGHUP");
-}
+SIGTYPE sighup(signo)
+int signo;
+    {
+    fatal("SIGHUP");
+    }
 
-init()
+void init()
     {
     signal(SIGINT, sigint);
     signal(SIGTERM, sigterm);
     signal(SIGHUP, sighup);
 
-    if (lock_file)
-       lock();
-
     set_tty_parameters();
     signal(SIGALRM, sigalrm);
-    alarm(0); alarmed = 0;
+    alarm(0);
+    alarmed = 0;
     }
 
-
-set_tty_parameters()
+void set_tty_parameters()
     {
-#ifdef TERMIO
-    struct termio t;
+#if defined(get_term_param)
+    term_parms t;
 
-    if (ioctl(0, TCGETA, &t) < 0)
+    if (get_term_param (&t) < 0)
+        {
        sysfatal("Can't get terminal parameters");
-#endif
-#ifdef TERMIOS
-    struct termios t;
-
-    if (tcgetattr(0, &t) < 0)
-       sysfatal("Can't get terminal parameters");
-#endif
+        }
 
     saved_tty_parameters = t;
-    have_tty_parameters = 1;
-
-    t.c_iflag = IGNBRK | ISTRIP | IGNPAR;
-    t.c_oflag = 0;
-    t.c_lflag = 0;
-    t.c_cc[VERASE] = t.c_cc[VKILL] = 0;
-    t.c_cc[VMIN] = 1;
-    t.c_cc[VTIME] = 0;
-
-#ifdef TERMIO
-    if (ioctl(0, TCSETA, &t) < 0)
-       sysfatal("Can't set terminal parameters");
-#endif
-#ifdef TERMIOS
-    if (tcsetattr(0, TCSANOW, &t) < 0)
+    have_tty_parameters  = 1;
+
+    t.c_iflag     |= IGNBRK | ISTRIP | IGNPAR;
+    t.c_oflag      = 0;
+    t.c_lflag      = 0;
+    t.c_cc[VERASE] =
+    t.c_cc[VKILL]  = 0;
+    t.c_cc[VMIN]   = 1;
+    t.c_cc[VTIME]  = 0;
+
+    if (set_term_param (&t) < 0)
+        {
        sysfatal("Can't set terminal parameters");
+        }
 #endif
     }
 
-
-terminate(status)
-{
-  if (have_tty_parameters &&
-#ifdef TERMIO
-      ioctl(0, TCSETA, &saved_tty_parameters) < 0
-#endif
+void break_sequence()
+    {
 #ifdef TERMIOS
-      tcsetattr(0, TCSANOW, &saved_tty_parameters) < 0
+    tcsendbreak (0, 0);
 #endif
-      ) {
-    perror("Can't restore terminal parameters");
-    unlock();
-    exit(1);
-  }
-  exit(status);
-}
-
-/*
- *     Create a lock file for the named lock device
- */
-lock()
-    {
-    char hdb_lock_buffer[12];
-    int fd, pid;
-
-    lock_file = strcat(strcat(strcpy(malloc(strlen(LOCK_DIR)
-                                      + 1 + strlen(lock_file) + 1),
-                               LOCK_DIR), "/"), lock_file);
-
-    if ((fd = open(lock_file, O_EXCL | O_CREAT | O_RDWR, 0644)) < 0)
-       {
-       char *s = lock_file;
-
-       lock_file = (char *)0;  /* Don't remove someone else's lock file! */
-       sysfatal("Can't get lock file '%s'", s);
-       }
-
-# ifdef PIDSTRING
-    sprintf(hdb_lock_buffer, "%10d\n", getpid());
-    write(fd, hdb_lock_buffer, 11);
-# else
-    pid = getpid();
-    write(fd, &pid, sizeof pid);
-# endif
-
-    close(fd);
     }
 
-/*
- *     Remove our lockfile
- */
-unlock()
+void terminate(status)
+int status;
     {
-    if (lock_file)
-       {
-       unlink(lock_file);
-       lock_file = (char *)0;
-       }
+    if (report_file != (char *) 0 && report_fp != (FILE *) NULL)
+        {
+       if (verbose)
+           {
+           fprintf (report_fp, "Closing \"%s\".\n", report_file);
+           }
+       fclose (report_fp);
+       report_fp = (FILE*) NULL;
+        }
+
+#if defined(get_term_param)
+    if (have_tty_parameters)
+        {
+       if (set_term_param (&saved_tty_parameters) < 0)
+           {
+           syslog(LOG_ERR, "Can't restore terminal parameters: %m");
+           exit(1);
+           }
+        }
+#endif
+
+    exit(status);
     }
 
 /*
@@ -400,59 +604,158 @@ char *clean(s, sending)
 register char *s;
 int sending;
     {
-    char temp[STR_LEN];
+    char temp[STR_LEN], cur_chr;
     register char *s1;
     int add_return = sending;
+#define isoctal(chr) (((chr) >= '0') && ((chr) <= '7'))
 
-    for (s1 = temp; *s; ++s)
-        switch (*s)
-            {
-            case '\\':
-                switch (*++s)
-                    {
-                    case '\\':
-                    case 'd':  if (sending)
-                                   *s1++ = '\\';
-
-                               *s1++ = *s;
-                               break;
-
-                    case 'q':  quiet = ! quiet; break;
-                    case 'r':  *s1++ = '\r'; break;
-                    case 'n':  *s1++ = '\n'; break;
-                    case 's':  *s1++ = ' '; break;
+    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;
+           }
 
-                    case 'c':  if (sending && s[1] == '\0')
-                                   add_return = 0;
-                               else
-                                   *s1++ = *s;
+       if (cur_chr != '\\')
+           {
+           *s1++ = cur_chr;
+           continue;
+           }
 
-                               break;
+       cur_chr = *s++;
+       if (cur_chr == '\0')
+           {
+           if (sending)
+               {
+               *s1++ = '\\';
+               *s1++ = '\\';
+               }
+           break;
+           }
 
-                    default:   *s1++ = *s;
-                    }
+       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 'q':
+           quiet = ! quiet;
+           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;
+           
+       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';
+                       }
+                   }
 
-                break;
+               if (cur_chr != 0 || sending)
+                   {
+                   if (sending && (cur_chr == '\\' || cur_chr == 0))
+                       {
+                       *s1++ = '\\';
+                       }
+                   *s1++ = cur_chr;
+                   }
+               break;
+               }
 
-            case '^':
-                *s1++ = (int)(*++s) & 0x1F;
-                break;
+           if (sending)
+               {
+               *s1++ = '\\';
+               }
+           *s1++ = cur_chr;
+           break;
+           }
+       }
 
-            default:
-                *s1++ = *s;
-            }
-    
     if (add_return)
+        {
        *s1++ = '\r';
+        }
 
-    *s1 = '\0';
-    return (copyof(temp));
+    *s1++ = '\0'; /* guarantee closure */
+    *s1++ = '\0'; /* terminate the string */
+    return dup_mem (temp, (size_t) (s1 - temp)); /* may have embedded nuls */
     }
 
 /*
- *
+ * Process the expect string
  */
-chat_expect(s)
+void chat_expect(s)
 register char *s;
     {
     if (strcmp(s, "ABORT") == 0)
@@ -461,6 +764,12 @@ register char *s;
        return;
        }
 
+    if (strcmp(s, "REPORT") == 0)
+       {
+       ++report_next;
+       return;
+       }
+
     if (strcmp(s, "TIMEOUT") == 0)
        {
        ++timeout_next;
@@ -472,24 +781,38 @@ register char *s;
        register char *hyphen;
 
        for (hyphen = s; *hyphen; ++hyphen)
+           {
            if (*hyphen == '-')
+               {
                if (hyphen == s || hyphen[-1] != '\\')
+                   {
                    break;
+                   }
+               }
+           }
        
        if (*hyphen == '-')
            {
            *hyphen = '\0';
 
            if (get_string(s))
+               {
                return;
+               }
            else
                {
                s = hyphen + 1;
 
                for (hyphen = s; *hyphen; ++hyphen)
+                   {
                    if (*hyphen == '-')
+                       {
                        if (hyphen == s || hyphen[-1] != '\\')
+                           {
                            break;
+                           }
+                       }
+                   }
 
                if (*hyphen == '-')
                    {
@@ -506,23 +829,30 @@ register char *s;
                }
            }
        else
+           {
            if (get_string(s))
+               {
                return;
+               }
            else
                {
                if (fail_reason)
-                   logf("Failed(%s)\n", fail_reason);
+                   {
+                   syslog(LOG_INFO, "Failed (%s)", fail_reason);
+                   }
                else
-                   logf("Failed\n");
+                   {
+                   syslog(LOG_INFO, "Failed");
+                   }
 
-               unlock();
-               terminate(1);
+               terminate(exit_code);
                }
+           }
        }
     }
 
 char *character(c)
-char c;
+int c;
     {
     static char string[10];
     char *meta;
@@ -531,75 +861,134 @@ char c;
     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);
     }
 
 /*
- *
+ *  process the reply string
  */
-chat_send(s)
+void chat_send (s)
 register char *s;
     {
     if (abort_next)
-       {
+        {
        char *s1;
-
+       
        abort_next = 0;
-
+       
        if (n_aborts >= MAX_ABORTS)
+           {
            fatal("Too many ABORT strings");
-
+           }
+       
        s1 = clean(s, 0);
+       
+       if (strlen(s1) > strlen(s)
+           || strlen(s1) + 1 > sizeof(fail_buffer))
+           {
+           syslog(LOG_WARNING, "Illegal or too-long ABORT string ('%s')", s);
+           die();
+           }
 
-       if (strlen(s1) > strlen(s))
-           fatal("Illegal ABORT string ('%s')\n", s);
-
-       if (strlen(s1) > sizeof fail_buffer - 1)
-           fatal("Too long ABORT string ('%s')\n", s);
-
-       strcpy(s, s1);
-       abort_string[n_aborts++] = s;
+       abort_string[n_aborts++] = s1;
 
        if (verbose)
            {
-           register char *s1 = s;
-
            logf("abort on (");
 
            for (s1 = s; *s1; ++s1)
-               logf("%s", character(*s1));
+               {
+               logf(character(*s1));
+               }
 
            logf(")\n");
            }
+       return;
        }
-    else
-       if (timeout_next)
+
+    if (report_next)
+        {
+       char *s1;
+       
+       report_next = 0;
+       if (n_reports >= MAX_REPORTS)
+           {
+           fatal("Too many REPORT strings");
+           }
+       
+       s1 = clean(s, 0);
+       
+       if (strlen(s1) > strlen(s) || strlen(s1) > sizeof fail_buffer - 1)
            {
-           timeout_next = 0;
-           timeout = atoi(s);
+           syslog(LOG_WARNING, "Illegal or too-long REPORT string ('%s')", s);
+           die();
+           }
+       
+       report_string[n_reports++] = s1;
+       
+       if (verbose)
+           {
+           logf("report (");
+           s1 = s;
+           while (*s1)
+               {
+               logf(character(*s1));
+               ++s1;
+               }
+           logf(")\n");
+           }
+       return;
+        }
 
-           if (timeout <= 0)
-               timeout = DEFAULT_CHAT_TIMEOUT;
+    if (timeout_next)
+        {
+       timeout_next = 0;
+       timeout = atoi(s);
+       
+       if (timeout <= 0)
+           {
+           timeout = DEFAULT_CHAT_TIMEOUT;
+           }
 
-           if (verbose)
-               {
-               logf("timeout set to %d seconds\n", timeout);
-               }
+       if (verbose)
+           {
+           syslog(LOG_INFO, "timeout set to %d seconds", timeout);
            }
-       else
-           if ( ! put_string(s))
-               {
-               logf("Failed\n");
-               unlock();
-               terminate(1);
-               }
+       return;
+        }
+
+    if (strcmp(s, "EOT") == 0)
+        {
+       s = "^D\\c";
+        }
+    else
+        {
+       if (strcmp(s, "BREAK") == 0)
+           {
+           s = "\\K\\c";
+           }
+        }
+
+    if (!put_string(s))
+        {
+       syslog(LOG_INFO, "Failed");
+       terminate(1);
+        }
     }
 
 int get_char()
@@ -610,53 +999,94 @@ int get_char()
     status = read(0, &c, 1);
 
     switch (status)
-       {
-       case 1:
-           return ((int)c & 0x7F);
+        {
+    case 1:
+       return ((int)c & 0x7F);
 
-       default:
-           warn("read() on stdin returned %d", status);
-
-       case -1:
-           if ((status = fcntl(0, F_GETFL, 0)) == -1)
-               sysfatal("Can't get file mode flags on stdin");
-           else
-               if (fcntl(0, F_SETFL, status & ~FNDELAY) == -1)
-                   sysfatal("Can't set file mode flags on stdin");
+    default:
+       syslog(LOG_WARNING, "warning: read() on stdin returned %d",
+              status);
 
-           return (-1);
-       }
+    case -1:
+       if ((status = fcntl(0, F_GETFL, 0)) == -1)
+           {
+           sysfatal("Can't get file mode flags on stdin");
+           }
+       else
+           {
+           if (fcntl(0, F_SETFL, status & ~O_NONBLOCK) == -1)
+               {
+               sysfatal("Can't set file mode flags on stdin");
+               }
+           }
+       
+       return (-1);
+        }
     }
 
 int put_char(c)
-char c;
+int c;
     {
     int status;
+    char ch = c;
 
-    delay();
+    usleep(10000);             /* inter-character typing delay (?) */
 
-    status = write(1, &c, 1);
+    status = write(1, &ch, 1);
 
     switch (status)
+        {
+    case 1:
+       return (0);
+       
+    default:
+       syslog(LOG_WARNING, "warning: write() on stdout returned %d",
+              status);
+       
+    case -1:
+       if ((status = fcntl(0, F_GETFL, 0)) == -1)
+           {
+           sysfatal("Can't get file mode flags on stdin");
+           }
+       else
+           {
+           if (fcntl(0, F_SETFL, status & ~O_NONBLOCK) == -1)
+               {
+               sysfatal("Can't set file mode flags on stdin");
+               }
+           }
+       
+       return (-1);
+        }
+    }
+
+int write_char (c)
+int c;
+    {
+    if (alarmed || put_char(c) < 0)
        {
-       case 1:
-           return (0);
+       extern int errno;
 
-       default:
-           warn("write() on stdout returned %d", status);
+       alarm(0);
+       alarmed = 0;
 
-       case -1:
-           if ((status = fcntl(0, F_GETFL, 0)) == -1)
-               sysfatal("Can't get file mode flags on stdin");
+       if (verbose)
+           {
+           if (errno == EINTR || errno == EWOULDBLOCK)
+               {
+               syslog(LOG_INFO, " -- write timed out");
+               }
            else
-               if (fcntl(0, F_SETFL, status & ~FNDELAY) == -1)
-                   sysfatal("Can't set file mode flags on stdin");
-
-           return (-1);
+               {
+               syslog(LOG_INFO, " -- write failed: %m");
+               }
+           }
+       return (0);
        }
+    return (1);
     }
 
-int put_string(s)
+int put_string (s)
 register char *s;
     {
     s = clean(s, 1);
@@ -666,13 +1096,17 @@ register char *s;
        logf("send (");
 
        if (quiet)
+           {
            logf("??????");
+           }
        else
            {
            register char *s1 = s;
 
            for (s1 = s; *s1; ++s1)
-               logf("%s", character(*s1));
+               {
+               logf(character(*s1));
+               }
            }
 
        logf(")\n");
@@ -680,39 +1114,43 @@ register char *s;
 
     alarm(timeout); alarmed = 0;
 
-    for ( ; *s; ++s)
+    while (*s)
        {
-       register char c = *s;
+       register char c = *s++;
 
-       if (c == '\\')
-           if ((c = *++s) == '\0')
-               break;
-           else
-               if (c == 'd')           /* \d -- Delay */
-                   {
-                   sleep(2);
-                   continue;
-                   }
+       if (c != '\\')
+           {
+           if (!write_char (c))
+               {
+               return 0;
+               }
+           continue;
+           }
 
-       if (alarmed || put_char(*s) < 0)
+       c = *s++;
+       switch (c)
            {
-           extern int errno;
+       case 'd':
+           sleep(1);
+           break;
 
-           alarm(0); alarmed = 0;
+       case 'K':
+           break_sequence();
+           break;
 
-           if (verbose)
-               {
-               if (errno == EINTR || errno == EWOULDBLOCK)
-                   logf(" -- write timed out\n");
-               else
-                   syslog(LOG_INFO, " -- write failed: %m");
-               }
+       case 'p':
+           usleep(10000);      /* 1/100th of a second (arg is microseconds) */
+           break;
 
-           return (0);
+       default:
+           if (!write_char (c))
+               return 0;
+           break;
            }
        }
 
-    alarm(0); alarmed = 0;
+    alarm(0);
+    alarmed = 0;
     return (1);
     }
 
@@ -738,39 +1176,47 @@ register char *string;
        logf("expect (");
 
        for (s1 = string; *s1; ++s1)
-           logf("%s", character(*s1));
+           {
+           logf(character(*s1));
+           }
 
        logf(")\n");
        }
 
     if (len > STR_LEN)
        {
-       logf("expect string is too long\n");
-       return;
+       syslog(LOG_INFO, "expect string is too long");
+       exit_code = 1;
+       return 0;
        }
 
     if (len == 0)
        {
        if (verbose)
            {
-           logf("got it\n");
+           syslog(LOG_INFO, "got it");
            }
 
        return (1);
        }
 
-    alarm(timeout); alarmed = 0;
+    alarm(timeout);
+    alarmed = 0;
 
     while ( ! alarmed && (c = get_char()) >= 0)
        {
-       int n, abort_len;
+       int n, abort_len, report_len;
 
        if (verbose)
            {
            if (c == '\n')
+               {
                logf("\n");
+               }
            else
-               logf("%s", character(c));
+               {
+               logf(character(c));
+               }
            }
 
        *s++ = c;
@@ -781,91 +1227,100 @@ register char *string;
            {
            if (verbose)
                {
-               logf("got it\n");
+               logf(" -- got it\n");
                }
 
-           alarm(0); alarmed = 0;
+           alarm(0);
+           alarmed = 0;
            return (1);
            }
 
        for (n = 0; n < n_aborts; ++n)
+           {
            if (s - temp >= (abort_len = strlen(abort_string[n])) &&
                strncmp(s - abort_len, abort_string[n], abort_len) == 0)
-               {
+               {
                if (verbose)
                    {
                    logf(" -- failed\n");
                    }
-
-               alarm(0); alarmed = 0;
+               
+               alarm(0);
+               alarmed = 0;
+               exit_code = n + 4;
                strcpy(fail_reason = fail_buffer, abort_string[n]);
                return (0);
-               }
+               }
+           }
+
+       if (!report_gathering)
+           {
+           for (n = 0; n < n_reports; ++n)
+               {
+               if ((report_string[n] != (char*) NULL) &&
+                   s - temp >= (report_len = strlen(report_string[n])) &&
+                   strncmp(s - report_len, report_string[n], report_len) == 0)
+                   {
+                   time_t time_now   = time ((time_t*) NULL);
+                   struct tm* tm_now = localtime (&time_now);
+
+                   strftime (report_buffer, 20, "%b %d %H:%M:%S ", tm_now);
+                   strcat (report_buffer, report_string[n]);
+
+                   report_string[n] = (char *) NULL;
+                   report_gathering = 1;
+                   break;
+                   }
+               }
+           }
+       else
+           {
+           if (!iscntrl (c))
+               {
+               int rep_len = strlen (report_buffer);
+               report_buffer[rep_len]     = c;
+               report_buffer[rep_len + 1] = '\0';
+               }
+           else
+               {
+               report_gathering = 0;
+               fprintf (report_fp, "chat:  %s\n", report_buffer);
+               }
+           }
 
        if (s >= end)
            {
-           strncpy(temp, s - minlen, minlen);
+           strncpy (temp, s - minlen, minlen);
            s = temp + minlen;
            }
 
        if (alarmed && verbose)
-           warn("Alarm synchronization problem");
+           {
+           syslog(LOG_WARNING, "warning: alarm synchronization problem");
+           }
        }
 
     alarm(0);
     
     if (verbose && printed)
        {
-       extern int errno;
-
        if (alarmed)
+           {
            logf(" -- read timed out\n");
+           }
        else
+           {
+           logflush();
            syslog(LOG_INFO, " -- read failed: %m");
+           }
        }
 
-    alarmed = 0;
+    exit_code = 3;
+    alarmed   = 0;
     return (0);
     }
 
-/*
- *     Delay an amount appropriate for between typed characters.
- */
-delay()
-    {
-    register int i;
-
-# ifdef NO_USLEEP
-    for (i = 0; i < 30000; ++i)                /* ... did we just say appropriate? */
-       ;
-# else /* NO_USLEEP */
-    usleep(100);
-# endif /* NO_USLEEP */
-    }
-
-char line[256];
-char *p;
-
-logf(fmt, va_alist)
-char *fmt;
-va_dcl
-{
-    va_list pvar;
-    char buf[256];
-
-    va_start(pvar);
-    vsprintf(buf, fmt, pvar);
-    va_end(pvar);
-
-    p = line + strlen(line);
-    strcat(p, buf);
-
-    if (buf[strlen(buf)-1] == '\n') {
-       syslog(LOG_INFO, "%s", line);
-       line[0] = 0;
-    }
-}
-#ifdef ultrix
+#ifdef NO_USLEEP
 #include <sys/types.h>
 #include <sys/time.h>
 
@@ -874,19 +1329,19 @@ va_dcl
   last edit:  29-Oct-1984     D A Gwyn
   */
 
-extern int        select();
+extern int       select();
 
 int
-usleep( usec )                            /* returns 0 if ok, else -1 */
-    long                usec;           /* delay in microseconds */
+usleep( usec )                           /* returns 0 if ok, else -1 */
+    long               usec;           /* delay in microseconds */
 {
-    static struct                       /* `timeval' */
-       {
-           long        tv_sec;         /* seconds */
-           long        tv_usec;        /* microsecs */
-       }   delay;          /* _select() timeout */
+    static struct                      /* `timeval' */
+        {
+       long    tv_sec;         /* seconds */
+       long    tv_usec;        /* microsecs */
+        } delay;           /* _select() timeout */
 
-    delay.tv_sec = usec / 1000000L;
+    delay.tv_sec  = usec / 1000000L;
     delay.tv_usec = usec % 1000000L;
 
     return select( 0, (long *)0, (long *)0, (long *)0, &delay );