v16i009: Modem communications package, Part04/08
Rich Salz
rsalz at uunet.uu.net
Wed Sep 14 02:42:42 AEST 1988
Submitted-by: Emmet P Gray <fthood!egray>
Posting-number: Volume 16, Issue 9
Archive-name: pcomm2/part04
#! /bin/sh
# This is a shell archive, meaning:
# 1. Remove everything above the #! /bin/sh line.
# 2. Save the resulting text in a file.
# 3. Execute the file with /bin/sh (not csh) to create:
# di_win.c
# dial.c
# expand.c
# getcwd.c
# getopt.c
# help.c
# info.c
# init.c
# input.c
# line_set.c
# list_dir.c
# ls_menu.c
export PATH; PATH=/bin:/usr/bin:$PATH
echo shar: "extracting 'di_win.c'" '(9165 characters)'
if test -f 'di_win.c'
then
echo shar: "will not over-write existing file 'di_win.c'"
else
sed 's/^X//' << \SHAR_EOF > 'di_win.c'
X/*
X * The dialing window routines.
X */
X
X#define MAX_PASS 25
X
X#include <stdio.h>
X#include <curses.h>
X#include "config.h"
X#include "dial_dir.h"
X#include "misc.h"
X#include "modem.h"
X#include "param.h"
X
X/*
X * The dialing window. Its job is to kill the input routine, get a port,
X * cycle thru the entries in the queue, while interpreting both the
X * user's requests and the modem's responses. A return code of 1 means
X * we're ready to fire up the input routine.
X */
X
Xint
Xdial_win()
X{
X extern int rc_index, fd;
X WINDOW *di_win, *newwin();
X int i, j, key, want_out, pass, tic, baud;
X long now, time();
X char *tbuf, *ctime(), *str, cr=13, *read_codes();
X void disp_queue(), send_str(), dial_it(), delay_times(), input_off();
X void error_win(), line_set(), hang_up(), zap_vs(), log_calls();
X void st_line();
X unsigned int sleep();
X /* are we already talking? */
X input_off();
X hang_up(1);
X
X touchwin(stdscr);
X refresh();
X
X if (get_port())
X return(0);
X /*
X * If the phone number is a NULL, then either we are on a
X * direct line, or you want to do the dialing yourself.
X */
X if (*dir->number[dir->q_num[0]] == NULL) {
X /* check LD permission */
X if (limit_ld(0))
X return(0);
X /* can't talk directly to OBM */
X if (!strcmp(modem->mname[modem->m_cur], "OBM")) {
X error_win(0, "Can't access the On Board Modem directly",
X "You must use the automatic dialing feature");
X return(0);
X }
X
X zap_vs();
X touchwin(stdscr);
X clear();
X printw("Connected to /dev/%s at %d baud...\n", modem->tty[modem->t_cur], dir->baud[dir->d_cur]);
X refresh();
X return(1);
X }
X
X di_win = newwin(17, 70, 3, 5);
X /* the basic window */
X mvwattrstr(di_win, 1, 20, A_BOLD, "D I A L I N G W I N D O W");
X horizontal(di_win, 2, 0, 70);
X mvwaddstr(di_win, 4, 23, "System name:");
X mvwaddstr(di_win, 5, 23, "Pass number:");
X mvwaddstr(di_win, 6, 14, "Elapse time this try:");
X mvwaddstr(di_win, 7, 13, "Time at start of dial:");
X mvwaddstr(di_win, 8, 9, "Time at start of this try:");
X mvwaddstr(di_win, 9, 16, "Connect delay time:");
X mvwaddstr(di_win, 10, 17, "Redial delay time:");
X mvwaddstr(di_win, 11, 25, "Index/TTY:");
X mvwaddstr(di_win, 12, 16, "Result of last try:");
X
X mvwaddstr(di_win, 14, 3, "<SPACE>: Recycle");
X mvwaddstr(di_win, 14, 22, "<DEL>: Remove from queue");
X mvwaddstr(di_win, 14, 49, "E: Change delays");
X
X /* the start time */
X time(&now);
X tbuf = ctime(&now);
X tbuf[19] = NULL;
X mvwaddstr(di_win, 7, 36, &tbuf[11]);
X
X mvwprintw(di_win, 9, 36, "%-4d", param->c_delay);
X mvwprintw(di_win, 10, 36, "%-4d", param->r_delay);
X
X box(di_win, VERT, HORZ);
X mvwaddstr(di_win, 16, 24, " Press <ESC> to abort ");
X
X pass = 0;
X i = 0;
X want_out = 0;
X while (!want_out && pass <= MAX_PASS) {
X key = -1;
X pass++;
X /* update the d_cur variable */
X dir->d_cur = dir->q_num[i];
X /* check LD permission */
X if (limit_ld(i)) {
X want_out++;
X break;
X }
X /* get a port */
X if (get_port()) {
X want_out++;
X break;
X }
X /* fill in the window */
X disp_queue(di_win, dir->d_cur, pass);
X
X /*
X * The actual dial routine. The "i" is the index into the
X * queue, not the entry number. Returns immediately without
X * waiting for a carrier.
X */
X dial_it(i);
X ioctl(fd, TCFLSH, 0);
X
X /*
X * Here we do a time-slice between reading the result codes
X * from the modem and reading the keyboard. The one second
X * granularity won't be too accurate, but who cares?
X */
X tic = 0;
X rc_index = 0;
X while (tic < param->c_delay) {
X if ((str = read_codes()) == NULL) {
X mvwprintw(di_win, 6, 36, "%-4d", ++tic);
X wrefresh(di_win);
X }
X else {
X /*
X * A return code that converts to an number
X * that is less than 300 is probably an error
X * message.
X */
X baud = atoi(str);
X if (baud < 300) {
X mvwprintw(di_win, 12, 36, "%-20.20s", str);
X wmove(di_win, 12, 36);
X wrefresh(di_win);
X break;
X }
X /* we're connected */
X beep();
X clear_line(di_win, 12, 36, 1);
X wattrstr(di_win, A_BLINK, "CONNECTED");
X wmove(di_win, 12, 36);
X wrefresh(di_win);
X wait_key(di_win, 2);
X delwin(di_win);
X
X /*
X * Did the modem sync at a different baud
X * rate than what we expected?
X */
X if (dir->baud[dir->d_cur] != baud) {
X if (can_sync(baud)) {
X dir->baud[dir->d_cur] = baud;
X line_set();
X }
X }
X
X zap_vs();
X touchwin(stdscr);
X clear();
X printw("Connected to %s at %d baud...\n",
X dir->name[dir->d_cur], dir->baud[dir->d_cur]);
X refresh();
X
X /* log the call */
X log_calls(i);
X return(1);
X }
X if (tic == param->c_delay)
X break;
X /* ok... try the keyboard */
X if ((key = wait_key(di_win, 1)) != -1)
X break;
X
X mvwprintw(di_win, 6, 36, "%-4d", ++tic);
X wrefresh(di_win);
X }
X /*
X * If the modem did not return a code, then we need to
X * stop it. Sending a CR will stop most modems cold,
X * except of course for the OBM...
X */
X if (str == NULL) {
X if (!strcmp(modem->mname[modem->m_cur], "OBM"))
X hang_up(0);
X else
X write(fd, &cr, 1);
X sleep(1);
X }
X /* if we get here, no key was pressed */
X if (key == -1) {
X clear_line(di_win, 6, 14, 1);
X mvwaddstr(di_win, 6, 27, "Pausing:");
X /* no return code? */
X if (str == NULL) {
X clear_line(di_win, 12, 36, 1);
X waddstr(di_win, "TIMED OUT");
X wmove(di_win, 12, 36);
X }
X /* do the pause */
X tic = 0;
X while (tic < param->r_delay) {
X if ((key = wait_key(di_win, 1)) != -1)
X break;
X mvwprintw(di_win, 6, 36, "%-4d", ++tic);
X wrefresh(di_win);
X }
X clear_line(di_win, 6, 14, 1);
X waddstr(di_win, "Elapse time this try:");
X }
X mvwaddstr(di_win, 6, 36, "0 ");
X /* Process the keystroke */
X switch (key) {
X case ' ': /* next in the queue */
X clear_line(di_win, 12, 36, 1);
X waddstr(di_win, "RECYCLED");
X wmove(di_win, 12, 36);
X wrefresh(di_win);
X /* fall thru... */
X case -1: /* no key was pressed */
X i++;
X if (i > NUM_QUEUE)
X i = 0;
X if (dir->q_num[i] == -1)
X i = 0;
X break;
X case DEL: /* <DEL> key, remove from queue */
X if (dir->q_num[1] == -1) {
X beep();
X clear_line(di_win, 12, 36, 1);
X waddstr(di_win, "NO MORE ENTRIES");
X wmove(di_win, 12, 36);
X wrefresh(di_win);
X wait_key(di_win, 3);
X break;
X }
X clear_line(di_win, 12, 36, 1);
X waddstr(di_win, "ENTRY DELETED");
X wmove(di_win, 12, 36);
X wrefresh(di_win);
X wait_key(di_win, 3);
X
X /* compact the queue */
X for (j=i; j<NUM_QUEUE-1; j++)
X dir->q_num[j] = dir->q_num[j+1];
X dir->q_num[NUM_QUEUE-1] = -1;
X break;
X case 'e':
X case 'E': /* change delay time */
X delay_times();
X touchwin(di_win);
X mvwprintw(di_win, 9, 36, "%-4d", param->c_delay);
X mvwprintw(di_win, 10, 36, "%-4d", param->r_delay);
X break;
X case ESC: /* <ESC> key */
X beep();
X clear_line(di_win, 12, 36, 1);
X wattrstr(di_win, A_BLINK, "DIAL ABORTED");
X wmove(di_win, 12, 36);
X wrefresh(di_win);
X wait_key(di_win, 3);
X want_out++;
X break;
X default:
X beep();
X break;
X }
X }
X /* clean up and go home */
X werase(di_win);
X wrefresh(di_win);
X delwin(di_win);
X if (!want_out)
X error_win(0, "Exceeded the maximum number number of dialing attempts", "");
X return(0);
X}
X
X/*
X * Display what info we know at this time.
X */
X
Xstatic void
Xdisp_queue(win, entry, pass)
XWINDOW *win;
Xint entry, pass;
X{
X long now, time();
X char *tbuf, *ctime();
X void st_line();
X /* redo the status line */
X st_line("");
X /* system name */
X clear_line(win, 4, 36, 1);
X waddstr(win, dir->name[entry]);
X /* pass number */
X mvwprintw(win, 5, 36, "%-4d", pass);
X /* time of this call */
X time(&now);
X tbuf = ctime(&now);
X tbuf[19] = NULL;
X mvwaddstr(win, 8, 36, &tbuf[11]);
X /* the index field */
X clear_line(win, 11, 36, 1);
X waddstr(win, dir->index[entry]);
X
X wmove(win, 12, 36);
X wrefresh(win);
X return;
X}
X
X/*
X * Determine if the modem can detect the synchronization of the connected
X * baud rate. We check the modem database and see if the connect string
X * is unique. A return code of 1 means the modem can sync.
X */
X
Xstatic int
Xcan_sync(baud)
Xint baud;
X{
X int i;
X char *str;
X /* feature disabled? */
X if (modem->auto_baud[modem->m_cur] != 'Y')
X return(0);
X /* re-construct the string */
X switch (baud) {
X case 300:
X str = modem->con_3[modem->m_cur];
X break;
X case 1200:
X str = modem->con_12[modem->m_cur];
X break;
X case 2400:
X str = modem->con_24[modem->m_cur];
X break;
X case 4800:
X str = modem->con_48[modem->m_cur];
X break;
X case 9600:
X str = modem->con_96[modem->m_cur];
X break;
X case 19200:
X str = modem->con_192[modem->m_cur];
X break;
X default:
X return(0);
X }
X
X if (*str == NULL)
X return(0);
X /* test "str" against all others */
X i = 0;
X if (!strcmp(str, modem->con_3[modem->m_cur]))
X i++;
X if (!strcmp(str, modem->con_12[modem->m_cur]))
X i++;
X if (!strcmp(str, modem->con_24[modem->m_cur]))
X i++;
X if (!strcmp(str, modem->con_48[modem->m_cur]))
X i++;
X if (!strcmp(str, modem->con_96[modem->m_cur]))
X i++;
X if (!strcmp(str, modem->con_192[modem->m_cur]))
X i++;
X /* should match only itself */
X if (i == 1)
X return(1);
X return(0);
X}
SHAR_EOF
if test 9165 -ne "`wc -c < 'di_win.c'`"
then
echo shar: "error transmitting 'di_win.c'" '(should have been 9165 characters)'
fi
fi
echo shar: "extracting 'dial.c'" '(7336 characters)'
if test -f 'dial.c'
then
echo shar: "will not over-write existing file 'dial.c'"
else
sed 's/^X//' << \SHAR_EOF > 'dial.c'
X/*
X * The routines that dial the modem and listen for the return codes.
X */
X
X#include <stdio.h>
X#include <termio.h>
X#include "config.h"
X#ifdef UNIXPC
X#include <sys/phone.h>
X#endif /* UNIXPC */
X#include "dial_dir.h"
X#include "misc.h"
X#include "modem.h"
X#include "param.h"
X
X/*
X * Get the dial string ready, send it to the modem. The parameter is not
X * the actual entry number, it is an index into the queue.
X */
X
Xvoid
Xdial_it(num)
Xint num;
X{
X extern int fd;
X int i, skip;
X char s[100], number[40], *strcpy(), *strcat(), *n, *strchr();
X void send_str();
X#ifdef UNIXPC
X struct updata pbuf;
X unsigned int sleep();
X#endif /* UNIXPC */
X
X /*
X * Create the string to be sent to the modem. The long distance
X * codes are added if they are requested.
X */
X s[0] = NULL;
X strcpy(s, modem->dial[modem->m_cur]);
X
X switch (dir->q_ld[num]) {
X case 0: /* no ld code requested */
X break;
X case '+':
X strcat(s, param->ld_plus);
X break;
X case '-':
X strcat(s, param->ld_minus);
X break;
X case '@':
X strcat(s, param->ld_at);
X break;
X case '#':
X strcat(s, param->ld_pound);
X break;
X }
X /*
X * Purify the phone number by removing all the pretty characters
X * that don't need to be sent to the modem. Typically the "-",
X * "(", ")", and space characters are just for looks. To prevent
X * this action, prepend a "\" to the character.
X */
X i = 0;
X skip = 0;
X n = dir->number[dir->q_num[num]];
X while (*n) {
X if (*n == '\\' && !skip) {
X skip++;
X n++;
X continue;
X }
X if (!strchr("-() ", *n) || skip)
X number[i++] = *n;
X n++;
X skip = 0;
X }
X number[i] = NULL;
X /* add it to the string */
X strcat(s, number);
X strcat(s, modem->suffix[modem->m_cur]);
X#ifdef DEBUG
X fprintf(stderr, "raw dial string: '%s'\n", s);
X#endif /* DEBUG */
X
X#ifdef UNIXPC
X /* special case for OBM */
X if (!strcmp(modem->mname[modem->m_cur], "OBM")) {
X /* prepare the modem */
X pbuf.c_lineparam = DATA|DTMF;
X pbuf.c_waitdialtone = 5;
X pbuf.c_linestatus = 0;
X pbuf.c_feedback = SPEAKERON|NORMSPK;
X pbuf.c_waitflash = 500;
X ioctl(fd, PIOCSETP, &pbuf);
X sleep(1);
X /* connect the dialer */
X ioctl(fd, PIOCRECONN);
X sleep(1);
X /* dial each digit */
X n = s;
X while (*n) {
X /* switch tone/pulse dialing? */
X switch (*n) {
X case '^':
X pbuf.c_lineparam = DATA|PULSE;
X ioctl(fd, PIOCSETP, &pbuf);
X break;
X case '%':
X pbuf.c_lineparam = DATA|DTMF;
X ioctl(fd, PIOCSETP, &pbuf);
X break;
X default:
X ioctl(fd, PIOCDIAL, n);
X break;
X }
X n++;
X }
X return;
X }
X#endif /* UNIXPC */
X
X send_str(s);
X return;
X}
X
X/*
X * Send a string to the modem. Performs all the character synonym
X * translations. No sanity checking on the "m_cur" value.
X */
X
Xvoid
Xsend_str(s)
Xchar *s;
X{
X extern int fd;
X int skip;
X unsigned int sleep();
X /* empty string? */
X if (s == NULL || *s == NULL)
X return;
X
X ioctl(fd, TCFLSH, 1);
X /*
X * Change the character synonyms to their real values. Writes
X * the characters to the modem. To remove the special meaning
X * of one of the characters, prepend a "\" to it.
X */
X skip = 0;
X while (*s) {
X /* send the literal character */
X if (skip) {
X skip = 0;
X write(fd, s, 1);
X ioctl(fd, TCSBRK, 1);
X#ifdef DEBUG
X fprintf(stderr, "send_str: '%c', %02x, %03o, %d\n", *s, *s, *s, *s);
X#endif /* DEBUG */
X s++;
X continue;
X }
X /* turn off the special meaning */
X if (*s == '\\') {
X skip++;
X s++;
X continue;
X }
X /* pause synonym */
X if (*s == param->pause_char) {
X sleep(1);
X s++;
X continue;
X }
X /* carriage return synonym */
X if (*s == param->cr_char)
X *s = '\r';
X /* 2 character control sequence */
X if (*s == param->ctrl_char) {
X s++;
X /* premature EOF? */
X if (*s == NULL)
X break;
X /* upper and lower case */
X if (*s > '_')
X *s -= 96;
X else
X *s -= 64;
X }
X /* escape synonym */
X if (*s == param->esc_char)
X *s = ESC;
X /* modem break synonym */
X if (*s == param->brk_char) {
X ioctl(fd, TCSBRK, 0);
X sleep(1);
X s++;
X continue;
X }
X
X write(fd, s, 1);
X#ifdef DEBUG
X fprintf(stderr, "send_str: '%c', %02x, %03o, %d\n", *s, *s, *s, *s);
X#endif /* DEBUG */
X /*
X * Because the pause char makes the timing critical, we
X * wait until the buffer is clear before we continue.
X */
X ioctl(fd, TCSBRK, 1);
X s++;
X }
X return;
X}
X
X/*
X * Read the result codes coming back from the modem. Test for the 6
X * "connect" strings and the 4 "no connect" strings. Return the connected
X * baud rate (as a string) or the error message.
X */
X
Xchar rc_buf[512];
Xint rc_index;
X
Xchar *
Xread_codes()
X{
X extern int fd;
X char c;
X#ifdef UNIXPC
X unsigned int sleep();
X struct updata pbuf;
X /* special case for OBM */
X if (!strcmp(modem->mname[modem->m_cur], "OBM")) {
X ioctl(fd, PIOCGETP, &pbuf);
X
X /*
X * The OBM doesn't use a return message to announce the
X * connection to a remote, so we fake one. The 1200
X * is quite arbitrary... it is not an indicator of the
X * connected baud rate.
X */
X if (pbuf.c_linestatus & MODEMCONNECTED)
X return("1200");
X
X sleep(1);
X return(NULL);
X }
X#endif /* UNIXPC */
X /* search for key words */
X for (; rc_index<511; rc_index++) {
X if ((int) (c = getc_line(1)) <= 0)
X return(NULL);
X#ifdef DEBUG
X fprintf(stderr, "read_codes: '%c', %02x, %03o, %d\n", c, c, c, c);
X#endif /* DEBUG */
X
X rc_buf[rc_index] = c;
X rc_buf[rc_index+1] = NULL;
X /* the connect strings */
X if (match(rc_buf, modem->con_3[modem->m_cur]))
X return("300");
X
X if (match(rc_buf, modem->con_12[modem->m_cur]))
X return("1200");
X
X if (match(rc_buf, modem->con_24[modem->m_cur]))
X return("2400");
X
X if (match(rc_buf, modem->con_48[modem->m_cur]))
X return("4800");
X
X if (match(rc_buf, modem->con_96[modem->m_cur]))
X return("9600");
X
X if (match(rc_buf, modem->con_192[modem->m_cur]))
X return("19200");
X
X /* the no connect strings */
X if (match(rc_buf, modem->no_con1[modem->m_cur]))
X return(modem->no_con1[modem->m_cur]);
X
X if (match(rc_buf, modem->no_con2[modem->m_cur]))
X return(modem->no_con2[modem->m_cur]);
X
X if (match(rc_buf, modem->no_con3[modem->m_cur]))
X return(modem->no_con3[modem->m_cur]);
X
X if (match(rc_buf, modem->no_con4[modem->m_cur]))
X return(modem->no_con4[modem->m_cur]);
X }
X /* ran out of buffer? */
X return("ERROR");
X}
X
X/*
X * Test for a match between two character strings. A return code of 1
X * means that s2 was found at the end of s1.
X */
X
Xstatic int
Xmatch(s1, s2)
Xchar *s1, *s2;
X{
X register int i;
X int skip, diff;
X char new[40];
X /* if no string to match */
X if (*s2 == NULL)
X return(0);
X /* translate synonyms */
X i = 0;
X skip = 0;
X while (*s2) {
X /* literal character */
X if (skip) {
X skip = 0;
X new[i++] = *s2;
X s2++;
X continue;
X }
X /* turn off the special meaning */
X if (*s2 == '\\') {
X skip++;
X s2++;
X continue;
X }
X /* carriage return synonym */
X if (*s2 == param->cr_char)
X *s2 = '\r';
X
X /* 2 character control sequence */
X if (*s2 == param->ctrl_char) {
X s2++;
X if (*s2 == NULL)
X break;
X if (*s2 > '_')
X *s2 -= 96;
X else
X *s2 -= 64;
X }
X /* escape synonym */
X if (*s2 == param->esc_char)
X *s2 = ESC;
X
X new[i++] = *s2;
X s2++;
X }
X new[i] = NULL;
X
X diff = strlen(s1) - strlen(new);
X /* is it possible? */
X if (diff < 0)
X return(0);
X /* test it out */
X if (!strcmp(&s1[diff], new))
X return(1);
X return(0);
X}
SHAR_EOF
if test 7336 -ne "`wc -c < 'dial.c'`"
then
echo shar: "error transmitting 'dial.c'" '(should have been 7336 characters)'
fi
fi
echo shar: "extracting 'expand.c'" '(2683 characters)'
if test -f 'expand.c'
then
echo shar: "will not over-write existing file 'expand.c'"
else
sed 's/^X//' << \SHAR_EOF > 'expand.c'
X/*
X * Do file name expansion with "native" shell. Using the native shell
X * (as described in the SHELL environmental variable) allows for csh or
X * ksh abbreviations that sh doesn't recognize.
X */
X
X#include <stdio.h>
X#include <signal.h>
X#include <fcntl.h>
X#include "config.h"
X
Xchar *
Xexpand(input)
Xchar *input;
X{
X extern char *null_ptr;
X FILE *pfp, *n_popen();
X int last;
X char *ans, buf[1024], *strpbrk(), *strdup();
X void free_ptr();
X
X /* same rules as strdup() */
X if (input == NULL)
X return(NULL);
X if (*input == NULL)
X return(null_ptr);
X /* any thing to expand? */
X ans = strdup(input);
X if (!strpbrk(input, "$*{}[]\\?~"))
X return(ans);
X /* popen an echo */
X sprintf(buf, "echo %s", input);
X
X pfp = n_popen(buf, "r");
X fgets(buf, 1024, pfp);
X n_pclose(pfp);
X
X if (!strlen(buf))
X return(ans);
X /*
X * A horrible kludge... if the last character is not a line
X * feed, then the csh has returned an error message. Otherwise
X * zap the line feed.
X */
X last = strlen(buf) -1;
X if (buf[last] != '\n')
X return(ans);
X else
X buf[last] = NULL;
X
X free_ptr(ans);
X ans = strdup(buf);
X return(ans);
X}
X
X#define tst(a,b) (*mode == 'r'? (b) : (a))
X#define RDR 0
X#define WTR 1
Xstatic int popen_pid[20];
X
XFILE *
Xn_popen(cmd, mode)
Xchar *cmd, *mode;
X{
X int myside, hisside, ppid, p[2];
X char *shellpath, *shell, *flags, *getenv(), *strrchr();
X void _exit();
X
X if (pipe(p) < 0)
X return NULL;
X
X myside = tst(p[WTR], p[RDR]);
X hisside = tst(p[RDR], p[WTR]);
X /* get the environmental variable */
X shellpath = getenv("SHELL");
X if (shellpath == NULL || *shellpath == NULL)
X shellpath = "/bin/sh";
X
X shell = strrchr(shellpath, '/') + 1;
X /* fix up the flags */
X if (!strcmp(shell, "csh"))
X flags = "-fc";
X else
X flags = "-c"; /* Korn shell too */
X
X if (!(ppid = fork())) {
X int stdio;
X /* no error messages please */
X close(2);
X open("/dev/null", O_WRONLY);
X#ifdef SETUGID
X setgid(getgid());
X setuid(getuid());
X#endif /* SETUGID */
X stdio = tst(0, 1);
X close(myside);
X close(stdio);
X fcntl(hisside, F_DUPFD, stdio);
X close(hisside);
X execl(shellpath, shell, flags, cmd, (char *) 0);
X _exit(1);
X }
X if (ppid == -1) {
X close(myside);
X close(hisside);
X return NULL;
X }
X
X popen_pid[myside] = ppid;
X
X close(hisside);
X return(fdopen(myside, mode));
X}
X
Xn_pclose(ptr)
XFILE *ptr;
X{
X int f, r, (*hstat)(), (*istat)(), (*qstat)(), status;
X
X f = fileno(ptr);
X fclose(ptr);
X istat = signal(SIGINT, SIG_IGN);
X qstat = signal(SIGQUIT, SIG_IGN);
X hstat = signal(SIGHUP, SIG_IGN);
X
X while ((r = wait(&status)) != popen_pid[f] && r != -1)
X ;
X
X if (r == -1)
X status = -1;
X
X signal(SIGINT, istat);
X signal(SIGQUIT, qstat);
X signal(SIGHUP, hstat);
X return(status);
X}
SHAR_EOF
if test 2683 -ne "`wc -c < 'expand.c'`"
then
echo shar: "error transmitting 'expand.c'" '(should have been 2683 characters)'
fi
fi
echo shar: "extracting 'getcwd.c'" '(387 characters)'
if test -f 'getcwd.c'
then
echo shar: "will not over-write existing file 'getcwd.c'"
else
sed 's/^X//' << \SHAR_EOF > 'getcwd.c'
X/*
X * Can you believe it??? Masscomps don't have a function to return the
X * current working directory while in the AT&T universe!
X */
X
X#include <stdio.h>
X
Xchar *
Xgetcwd(buf, size)
Xchar *buf;
Xint size;
X{
X FILE *pfp, *popen();
X
X if (!(pfp = popen("pwd", "r")))
X return(".");
X
X fgets(buf, size, pfp);
X pclose(pfp);
X /* zap the new line */
X buf[strlen(buf)-1] = NULL;
X return(buf);
X}
SHAR_EOF
if test 387 -ne "`wc -c < 'getcwd.c'`"
then
echo shar: "error transmitting 'getcwd.c'" '(should have been 387 characters)'
fi
fi
echo shar: "extracting 'getopt.c'" '(1034 characters)'
if test -f 'getopt.c'
then
echo shar: "will not over-write existing file 'getopt.c'"
else
sed 's/^X//' << \SHAR_EOF > 'getopt.c'
X/*
X * Parse the command line and return option flags and arguments
X */
X
X#include <stdio.h>
X
Xint optind = 1;
Xchar *optarg;
X
Xint
Xgetopt(argc, argv, opts)
Xint argc;
Xchar *argv[];
Xchar *opts;
X{
X static int sp = 1;
X int c, strcmp();
X char *cp, *strchr();
X
X if (sp == 1) {
X if (optind >= argc || argv[optind][0] != '-' || argv[optind][1] == '\0')
X return(EOF);
X else if (strcmp(argv[optind], "--") == NULL) {
X optind++;
X return(EOF);
X }
X }
X c = argv[optind][sp];
X if (c == ':' || (cp=strchr(opts, c)) == NULL) {
X fprintf(stderr, "%s: illegal option '%c'\n", argv[0], c);
X if (argv[optind][++sp] == '\0') {
X optind++;
X sp = 1;
X }
X return('?');
X }
X if (*++cp == ':') {
X if (argv[optind][sp+1] != '\0')
X optarg = &argv[optind++][sp+1];
X else if (++optind >= argc) {
X fprintf(stderr, "%s: option '%c' requires an argument\n", argv[0], c);
X sp = 1;
X return('?');
X } else
X optarg = argv[optind++];
X sp = 1;
X } else {
X if (argv[optind][++sp] == '\0') {
X sp = 1;
X optind++;
X }
X optarg = NULL;
X }
X return(c);
X}
SHAR_EOF
if test 1034 -ne "`wc -c < 'getopt.c'`"
then
echo shar: "error transmitting 'getopt.c'" '(should have been 1034 characters)'
fi
fi
echo shar: "extracting 'help.c'" '(1802 characters)'
if test -f 'help.c'
then
echo shar: "will not over-write existing file 'help.c'"
else
sed 's/^X//' << \SHAR_EOF > 'help.c'
X/*
X * Display the help screen. Press any key to continue. If the ascii_hot
X * string is more than 4 characters wide, this screen will look silly.
X * Maybe one day, this will also contain page-full descriptions of each
X * command.
X */
X
X#include <stdio.h>
X#include <curses.h>
X#include "config.h"
X#include "misc.h"
X
Xvoid
Xhelp_screen(hot)
Xchar *hot;
X{
X extern int fd;
X WINDOW *h_win, *newwin();
X
X h_win = newwin(17, 80, 0, 0);
X
X mvwattrstr(h_win, 1, 29, A_BOLD, "P C O M M H E L P\n");
X horizontal(h_win, 2, 0, 80);
X mvwattrstr(h_win, 4, 0, A_BOLD, " Major Functions Utility Functions File Functions\n\n");
X mvwprintw(h_win, 6, 2, "Dialing Directory.%4.4s-D Program Info ....%4.4s-I Send Files ....%4.4s-<up>", hot, hot, hot);
X mvwprintw(h_win, 7, 2, "Auto Redial ......%4.4s-R Setup Screen ....%4.4s-S Receive Files .%4.4s-<down>", hot, hot, hot);
X mvwprintw(h_win, 8, 2, "Keyboard Macros ..%4.4s-M Change Directory.%4.4s-B Pass Thru Mode.%4.4s-T", hot, hot, hot);
X mvwprintw(h_win, 9, 2, "Line Settings ....%4.4s-P Clear Screen ....%4.4s-C Directory .....%4.4s-F", hot, hot, hot);
X mvwprintw(h_win, 10, 2, "Exit Pcomm .......%4.4s-X Toggle Duplex ...%4.4s-E Screen Dump ...%4.4s-G", hot, hot, hot);
X mvwprintw(h_win, 11, 2, "Unix Gateway .....%4.4s-4 Hang Up Phone ...%4.4s-H Start Data Log.%4.4s-1", hot, hot, hot);
X mvwprintw(h_win, 12, 28, "Printer On/Off ..%4.4s-L Toggle Log ....%4.4s-2", hot, hot);
X mvwprintw(h_win, 13, 28, "Toggle CR-CR/LF .%4.4s-3", hot);
X mvwprintw(h_win, 14, 28, "Break Key .......%4.4s-7", hot);
X
X box(h_win, VERT, HORZ);
X mvwaddstr(h_win, 16, 26, " Press any key to continue ");
X wmove(h_win, 16, 79);
X wrefresh(h_win);
X
X wgetch(h_win);
X if (fd == -1) {
X werase(h_win);
X wrefresh(h_win);
X }
X delwin(h_win);
X return;
X}
SHAR_EOF
if test 1802 -ne "`wc -c < 'help.c'`"
then
echo shar: "error transmitting 'help.c'" '(should have been 1802 characters)'
fi
fi
echo shar: "extracting 'info.c'" '(1532 characters)'
if test -f 'info.c'
then
echo shar: "will not over-write existing file 'info.c'"
else
sed 's/^X//' << \SHAR_EOF > 'info.c'
X/*
X * Display the initial welcome screen (to include all of the proper
X * acknowledgements). Press any key to continue.
X */
X
X#define VERSION "1.1"
X#define DATE "21 Aug 88"
X
X#include <stdio.h>
X#include <curses.h>
X
Xvoid
Xinfo(delay)
Xint delay;
X{
X extern int fd;
X WINDOW *w_win, *newwin();
X char buf[80];
X /* display the welcome screen */
X w_win = newwin(23, 80, 0, 0);
X mvwaddstr(w_win, 3, 18, "PPPPPP CCCC OOOO MM MM MM MM");
X mvwaddstr(w_win, 4, 18, "P P C O O M M M M M M M M");
X mvwaddstr(w_win, 5, 18, "PPPPPP C O O M M M M M M");
X mvwaddstr(w_win, 6, 18, "P C O O M M M M");
X mvwaddstr(w_win, 7, 18, "P CCCC OOOO M M M M");
X
X sprintf(buf, ">>> Pcomm Version %s <<<", VERSION);
X mvwaddstr(w_win, 10, (80-strlen(buf))/2, buf);
X sprintf(buf, "Release date: %s", DATE);
X mvwaddstr(w_win, 11, (80-strlen(buf))/2, buf);
X
X mvwaddstr(w_win, 13, 8, "Pcomm is a public domain telecommunication program for Unix that");
X mvwaddstr(w_win, 14, 8, "is designed to operate similar to the MSDOS program, ProComm.");
X mvwaddstr(w_win, 15, 8, "ProComm (TM) is copyrighted by Datastorm Technologies, Inc.");
X mvwaddstr(w_win, 19, 45, "Emmet P. Gray");
X mvwaddstr(w_win, 20, 45, "...!uunet!uiucuxc!fthood!egray");
X wmove(w_win, 22, 79);
X wrefresh(w_win);
X /* Delay so you can read the herald */
X if (delay)
X wait_key(w_win, 5);
X else
X wgetch(w_win);
X
X if (fd == -1) {
X werase(w_win);
X wrefresh(w_win);
X }
X delwin(w_win);
X return;
X}
SHAR_EOF
if test 1532 -ne "`wc -c < 'info.c'`"
then
echo shar: "error transmitting 'info.c'" '(should have been 1532 characters)'
fi
fi
echo shar: "extracting 'init.c'" '(2944 characters)'
if test -f 'init.c'
then
echo shar: "will not over-write existing file 'init.c'"
else
sed 's/^X//' << \SHAR_EOF > 'init.c'
X/*
X * Display the welcome screen and find the Pcomm support files. Returns a
X * pointer to the STATUS structure. All errors are fatal.
X */
X
X#include <stdio.h>
X#include <curses.h>
X#include "config.h"
X#ifdef SHAREDMEM
X#include <sys/types.h>
X#include <sys/ipc.h>
X#include <sys/shm.h>
X#endif /* SHAREDMEM */
X#include "misc.h"
X#include "status.h"
X
Xstruct STATUS *
Xinit(short_cut)
Xchar *short_cut;
X{
X char *mktemp(), *strcpy();
X struct STATUS *s_ptr;
X void info();
X#ifdef SHAREDMEM
X int i, j, mode;
X extern int shm_id;
X char *shmat();
X void exit();
X
X /*
X * Since the "pcomm_input" program does not run set-user/group-id
X * the mode must be set so the effective ID can read/write to the
X * shared memory segment. Kinda strange... real ID's aren't used.
X */
X#ifdef SETUGID
X mode = 0666;
X#else /* SETUGID */
X mode = 0600;
X#endif /* SETUGID */
X /* create a shared memory segment */
X shm_id = shmget(IPC_PRIVATE, sizeof (struct STATUS), mode|IPC_CREAT|IPC_EXCL|IPC_NOWAIT);
X if (shm_id < 0) {
X endwin();
X perror("shmget");
X exit(1);
X }
X s_ptr = (struct STATUS *) shmat(shm_id, (char *) 0, 0);
X if ((int) s_ptr == -1) {
X endwin();
X perror("shmat");
X exit(1);
X }
X#else /* SHAREDMEM */
X static struct STATUS s;
X s_ptr = &s;
X#endif /* SHAREDMEM */
X /* some defaults */
X s_ptr->fd = -1;
X s_ptr->add_lf = 0;
X s_ptr->log = 0;
X s_ptr->print = 0;
X strcpy(s_ptr->log_path, "NOT_DEFINED");
X#ifdef SHAREDMEM
X s_ptr->clr = 0;
X s_ptr->row = 0;
X s_ptr->col = 0;
X for (i=0; i<LINES; i++) {
X for (j=0; j<COLS; j++)
X s_ptr->vs[i][j] = ' ';
X s_ptr->vs[i][COLS] = NULL;
X }
X#else /* SHAREDMEM */
X strcpy(s_ptr->vs_path, mktemp("/tmp/pcommXXXXXX"));
X#endif /* SHAREDMEM */
X /* display herald if no short-cut */
X if (short_cut == NULL)
X info(1);
X
X erase();
X refresh();
X return(s_ptr);
X}
X
X/*
X * Search the extra directory (supplied on the command line), then the
X * directory in the PCOMM environmental variable, then the current working
X * directory, and lastly, the default directory.
X */
X
Xchar *
Xfindfile(extra, name)
Xchar *extra, *name;
X{
X int i;
X char *pcomm, *getenv(), *path, pbuf[200], *getcwd(), *strdup();
X char temp[200];
X
X /* see if PCOMM variable is set */
X pcomm = getenv("PCOMM");
X if (pcomm == NULL || *pcomm == NULL)
X pcomm = NULL;
X else {
X /* zap the trailing separator */
X if (pcomm[strlen(pcomm)-1] == '/')
X pcomm[strlen(pcomm)-1] = NULL;
X }
X
X for (i=0; i<4; i++) {
X /* directory search order */
X switch (i) {
X case 0: /* extra directory from command line */
X path = extra;
X break;
X case 1: /* PCOMM environmental variable */
X path = pcomm;
X break;
X case 2: /* current working directory */
X path = getcwd(pbuf, 200);
X break;
X case 3: /* Pcomm's default directory */
X path = DEFAULT_DIR;
X break;
X }
X if (path == NULL)
X continue;
X
X sprintf(temp, "%s/%s", path, name);
X /* read permission checked */
X if (!access(temp, 4))
X return(strdup(temp));
X }
X return(NULL);
X}
SHAR_EOF
if test 2944 -ne "`wc -c < 'init.c'`"
then
echo shar: "error transmitting 'init.c'" '(should have been 2944 characters)'
fi
fi
echo shar: "extracting 'input.c'" '(10147 characters)'
if test -f 'input.c'
then
echo shar: "will not over-write existing file 'input.c'"
else
sed 's/^X//' << \SHAR_EOF > 'input.c'
X/*
X * The input routines. This program runs as a child process to the
X * Pcomm program.
X */
X
X#define CLIST 64
X
X#include <stdio.h>
X#include <signal.h>
X#include <setjmp.h>
X#include "config.h"
X#ifdef SHAREDMEM
X#include <sys/types.h>
X#include <sys/ipc.h>
X#include <sys/shm.h>
X#endif /* SHAREDMEM */
X#define MAIN
X#include "misc.h"
X#include "status.h"
X#include "vcs.h"
X
Xjmp_buf i_jmp;
Xint vcs_param[NUM_VCS][5]; /* positional parameters */
Xint vcs_opt[NUM_VCS][10]; /* options unique to each vcs */
Xint vcs_codes[NUM_VCS][VCS_SIZE]; /* the vcs codes */
Xint vcs_leadin[NUM_VCS]; /* unique list of lead-in characters */
Xint num_leadin; /* length of lead-in list */
Xint hold, max_row, max_col, skip_row;
XFILE *logfp, *lprfp;
Xstruct STATUS *status;
X
X#ifdef SHAREDMEM
X#define VROW status->row
X#define VCOL status->col
X#define VS status->vs
X#else /* SHAREDMEM */
Xint VROW, VCOL;
Xchar VS[MAX_ROW][MAX_COL+2];
Xstruct STATUS s;
X#endif /* SHAREDMEM */
X
X/*
X * Read the serial port and write the characters to the screen. Watch
X * for signals from the parent process to toggle the fancy options.
X * Writes the characters received to a virtual screen buffer.
X */
X
Xmain(argc, argv)
Xint argc;
Xchar *argv[];
X{
X FILE *popen();
X int got_sig();
X char c, *strcpy();
X void _exit(), exit(), vcs_table();
X#ifdef SHAREDMEM
X int shm_id;
X char *shmat();
X#endif /* SHAREDMEM */
X /* set the trap for the signals */
X signal(SIGALRM, SIG_IGN);
X signal(SIGHUP, SIG_IGN);
X signal(SIGQUIT, SIG_IGN);
X signal(SIGUSR1, got_sig);
X signal(SIGUSR2, got_sig);
X signal(SIGINT, got_sig);
X signal(SIGTERM, got_sig);
X /* unbuffered output */
X setbuf(stdout, (char *) NULL);
X /* for the curious... */
X if (argc == 1) {
X fprintf(stderr, "This is the input routine for the Pcomm program\n");
X fprintf(stderr, "It is not designed to be run as a separate program\n");
X exit(1);
X }
X#ifdef SHAREDMEM
X shm_id = atoi(argv[1]);
X status = (struct STATUS *) shmat(shm_id, (char *) 0, 0);
X if ((int) status == -1) {
X perror("shmat");
X _exit(1);
X }
X#else /* SHAREDMEM */
X status = &s;
X#endif /* SHAREDMEM */
X /* load the VCS table */
X vcs_table();
X if (max_row > MAX_ROW)
X max_row = MAX_ROW;
X if (max_col > MAX_COL)
X max_col = MAX_COL;
X /* parse the command line */
X#ifndef SHAREDMEM
X status->fd = atoi(argv[1]);
X status->add_lf = atoi(argv[2]);
X status->log = atoi(argv[3]);
X status->print = atoi(argv[4]);
X strcpy(status->log_path, argv[5]);
X strcpy(status->vs_path, argv[6]);
X#endif /* SHAREDMEM */
X
X skip_row = 0;
X#ifdef SHAREDMEM
X if (status->clr)
X skip_row = 1;
X#else /* SHAREDMEM */
X /* read previous screen */
X if (!access(status->vs_path, 0))
X read_vs();
X else
X skip_row = 1;
X#endif /* SHAREDMEM */
X
X hold = 0;
X /* start up file pointers */
X lprfp = (FILE *) NULL;
X logfp = (FILE *) NULL;
X
X switch (setjmp(i_jmp)) {
X case 0: /* no signal */
X break;
X case 1: /* toggle the data logging */
X status->log = status->log ? 0 : 1;
X break;
X case 2: /* toggle the printer */
X status->print = status->print ? 0 : 1;
X break;
X case 3: /* suspend the input */
X hold = hold ? 0 : 1;
X#ifndef SHAREDMEM
X if (hold)
X write_vs();
X#endif /* SHAREDMEM */
X break;
X case 4: /* clean up and go home */
X if (status->log)
X fclose(logfp);
X if (status->print) {
X putc('\f', lprfp);
X pclose(lprfp);
X }
X#ifdef SHAREDMEM
X /* detach shared memory */
X shmdt((char *) status);
X#endif /* SHAREDMEM */
X _exit(0);
X break;
X }
X /* any signal will awaken pause() */
X if (hold)
X pause();
X /* open or close the printer */
X if (status->print && lprfp == NULL)
X lprfp = popen(LPR, "w");
X
X if (!status->print && lprfp != NULL) {
X putc('\f', lprfp);
X pclose(lprfp);
X lprfp = (FILE *) NULL;
X }
X /* open or close the log file */
X if (status->log && logfp == NULL) {
X if (strcmp(status->log_path, "NOT_DEFINED")) {
X if (!(logfp = fopen(status->log_path, "a")))
X status->log = 0;
X }
X else
X status->log = 0;
X }
X if (!status->log && logfp != NULL) {
X fclose(logfp);
X logfp = (FILE *) NULL;
X }
X
X#ifdef SHAREDMEM
X if (status->clr) {
X status->clr = 0;
X vs_clear();
X }
X#else /* SHAREDMEM */
X /* clear if vs_path doesn't exist */
X if (access(status->vs_path, 0))
X vs_clear();
X#endif /* SHAREDMEM */
X /*
X * The very first screen we see after dialing has the "Connected to..."
X * message at row 0, therefore we start our virtual screen at row 1.
X */
X if (skip_row) {
X skip_row = 0;
X VROW = 1;
X }
X
X while (1) {
X if ((int) (c = readbyte()) <= 0)
X continue;
X /* send to logfile */
X if (status->log) {
X if (c == '\r' && status->add_lf)
X putc('\n', logfp);
X /* no carriage returns in logfile */
X if (c != '\r')
X putc(c, logfp);
X }
X /* send to printer too? */
X if (status->print)
X putc(c, lprfp);
X
X /* put a char in virtual screen */
X vs_putchar(c);
X
X putchar(c);
X /* add LF to CR? */
X if (c == '\r' && status->add_lf)
X putchar('\n');
X }
X}
X
X/*
X * Figure out which signal we just received, and fix the return code of
X * the setjmp function above to the proper value.
X */
X
Xint
Xgot_sig(sig)
Xint sig;
X{
X void longjmp();
X switch (sig) {
X case SIGUSR1:
X signal(SIGUSR1, got_sig);
X longjmp(i_jmp, 1);
X case SIGUSR2:
X signal(SIGUSR2, got_sig);
X longjmp(i_jmp, 2);
X case SIGINT:
X signal(SIGINT, got_sig);
X longjmp(i_jmp, 3);
X case SIGTERM:
X signal(SIGTERM, got_sig);
X longjmp(i_jmp, 4);
X }
X}
X
X/*
X * Put a character in the virtual screen. This routine saves incoming
X * characters in a two dimensional buffer designed to mimic the real
X * screen.
X */
X
Xint
Xvs_putchar(c)
Xchar c;
X{
X register int j, i;
X int tab_stop;
X
X switch (vcs_filter(c)) {
X case MAYBE: /* wait and see... */
X break;
X case 256+HOME: /* home virtual screen "cursor" */
X VROW = 0;
X VCOL = 0;
X break;
X case 256+CLR_EOL: /* clear to end of line */
X for (i=VCOL; i<max_col; i++)
X VS[VROW][i] = ' ';
X break;
X case 256+CLR_EOS: /* clear to end of screen */
X for (j=VCOL; j<max_col; j++)
X VS[VROW][j] = ' ';
X for (i=VROW+1; i<max_row; i++) {
X for (j=0; j<max_col; j++)
X VS[i][j] = ' ';
X }
X break;
X case 256+CLEAR: /* clear all and home "cursor" */
X for (i=0; i<max_row; i++) {
X for (j=0; j<max_col; j++)
X VS[i][j] = ' ';
X }
X VROW = 0;
X VCOL = 0;
X break;
X case 256+MV_UP: /* move "cursor" up */
X VROW--;
X if (VROW < 0)
X VROW = 0;
X break;
X case 256+MV_DOWN: /* move "cursor" down */
X VROW++;
X if (VROW >= max_row)
X VROW = max_row -1;
X break;
X case 256+MV_RIGHT: /* move "cursor" right */
X VCOL++;
X if (VCOL >= max_col)
X VCOL = max_col -1;
X break;
X case 256+MV_LEFT: /* move "cursor" left */
X case BS: /* non destructive back space */
X VCOL--;
X if (VCOL < 0)
X VCOL = 0;
X break;
X case 256+MV_DIRECT: /* direct cursor movement */
X VROW = vcs_param[MV_DIRECT][0];
X VCOL = vcs_param[MV_DIRECT][1];
X
X /* if "add one" and "decimal" */
X if (vcs_opt[MV_DIRECT][0] && vcs_opt[MV_DIRECT][1]) {
X VROW--;
X VCOL--;
X }
X /* if "character" */
X if (vcs_opt[MV_DIRECT][2]) {
X /* if "add offset" */
X if (vcs_opt[MV_DIRECT][3]) {
X VROW -= vcs_opt[MV_DIRECT][5];
X VCOL -= vcs_opt[MV_DIRECT][5];
X }
X /* if "subtract offset" */
X if (vcs_opt[MV_DIRECT][4]) {
X VROW += vcs_opt[MV_DIRECT][5];
X VCOL += vcs_opt[MV_DIRECT][5];
X }
X VROW--;
X VCOL--;
X }
X break;
X case '\t': /* tab character */
X tab_stop = VCOL + 8 - (VCOL % 8);
X /* if wrap around */
X if (tab_stop >= max_col) {
X /* spaces up to eol */
X for (; VCOL<max_col; VCOL++)
X VS[VROW][VCOL] = ' ';
X VROW++;
X if (VROW >= max_row)
X vs_scroll();
X
X /* the remainder of the tab */
X VCOL = tab_stop - max_col;
X }
X else {
X for (; VCOL<tab_stop; VCOL++)
X VS[VROW][VCOL] = ' ';
X }
X break;
X case '\r': /* carriage return */
X VCOL = 0;
X if (!status->add_lf)
X break;
X /* fall thru...*/
X case '\n': /* line feed */
X VROW++;
X if (VROW >= max_row)
X vs_scroll();
X break;
X default: /* a normal character */
X VS[VROW][VCOL] = c;
X VCOL++;
X /* wrap around */
X if (VCOL >= max_col) {
X VCOL = 0;
X VROW++;
X if (VROW >= max_row)
X vs_scroll();
X }
X break;
X }
X return(0);
X}
X
X#ifndef SHAREDMEM
X/*
X * Save the virtual screen to a file.
X */
X
Xint
Xwrite_vs()
X{
X FILE *fp;
X register int i;
X
X if (!(fp = fopen(status->vs_path, "w")))
X return(1);
X /* current x y coordinates */
X fprintf(fp, "%d,%d\n", VROW, VCOL);
X
X for (i=0; i<max_row; i++) {
X VS[i][max_col] = NULL;
X fprintf(fp, "%s\n", VS[i]);
X }
X fclose(fp);
X return(0);
X}
X
X/*
X * Get the virtual screen image from the file. Since input() gets
X * killed from time to time, the vs_path file is the only way to retain
X * the screen image.
X */
X
Xint
Xread_vs()
X{
X FILE *fp;
X register int i;
X char buf[10];
X /* in case the fopen fails... */
X VROW = 0;
X VCOL = 0;
X /* not guaranteed to exist yet */
X if (!(fp = fopen(status->vs_path, "r")))
X return(1);
X /* get the x, y coordinates */
X fgets(buf, 10, fp);
X scanf(buf, "%d,%d\n", VROW, VCOL);
X
X /* read the file into the vs array */
X for (i=0; i<max_row; i++) {
X fgets(VS[i], MAX_COL+2, fp);
X VS[i][max_col] = NULL;
X }
X fclose(fp);
X return(0);
X}
X#endif /* SHAREDMEM */
X
X/*
X * If the user clears the screen with the ^A-C command, the input
X * has to be in sync.
X */
X
Xint
Xvs_clear()
X{
X register int j, i;
X
X for (i=0; i<max_row; i++) {
X VS[i][max_col] = NULL;
X for (j=0; j<max_col; j++)
X VS[i][j] = ' ';
X }
X /* home the "cursor" */
X VROW = 0;
X VCOL = 0;
X return(0);
X}
X
X/*
X * Do a software scroll on the virtual screen. Does not alter the
X * "col" variable.
X */
X
Xint
Xvs_scroll()
X{
X register int i;
X char *strcpy();
X /* move 'em up 1 line */
X for (i=0; i<max_row-1; i++)
X strcpy(VS[i], VS[i+1]);
X /* clear the bottom line */
X for (i=0; i<max_col; i++)
X VS[max_row-1][i] = ' ';
X
X VROW = max_row -1;
X return(0);
X}
X
X/*
X * Do a buffered read from the serial port.
X */
X
Xint
Xreadbyte()
X{
X static char buf[CLIST];
X static char *bufp = buf;
X static int n = 0;
X
X if (n <= 0) {
X if ((n = read(status->fd, buf, CLIST)) <= 0)
X return(-1);
X bufp = buf;
X }
X while (--n >= 0)
X return(*bufp++ & 0xff);
X return(-1);
X}
SHAR_EOF
if test 10147 -ne "`wc -c < 'input.c'`"
then
echo shar: "error transmitting 'input.c'" '(should have been 10147 characters)'
fi
fi
echo shar: "extracting 'line_set.c'" '(1944 characters)'
if test -f 'line_set.c'
then
echo shar: "will not over-write existing file 'line_set.c'"
else
sed 's/^X//' << \SHAR_EOF > 'line_set.c'
X/*
X * Change the communication line settings to the new values.
X */
X
X#include <stdio.h>
X#include <termio.h>
X#include "dial_dir.h"
X#include "param.h"
X
Xvoid
Xline_set()
X{
X extern int fd;
X struct termio tbuf;
X
X /*
X * The manual dial entry also serves to store the previous
X * line settings. How else would the manual dial entry
X * know what line setting to use?
X */
X if (dir->d_cur != 0) {
X dir->baud[0] = dir->baud[dir->d_cur];
X dir->parity[0] = dir->parity[dir->d_cur];
X dir->dbits[0] = dir->dbits[dir->d_cur];
X dir->sbits[0] = dir->sbits[dir->d_cur];
X }
X /* nothing to do! */
X if (fd == -1)
X return;
X /* get the current settings */
X ioctl(fd, TCGETA, &tbuf);
X /* set some beginning values */
X tbuf.c_cc[4] = 1; /* VMIN */
X tbuf.c_cc[5] = 0; /* VTIME */
X tbuf.c_oflag = 0;
X tbuf.c_iflag = 0;
X tbuf.c_cflag = (CREAD|HUPCL|CLOCAL);
X tbuf.c_lflag = 0;
X
X if (*param->flow == 'X')
X tbuf.c_iflag |= IXON|IXOFF;
X /* strip high bit? */
X if (*param->strip == 'Y')
X tbuf.c_iflag |= ISTRIP;
X /* the baud rate */
X switch (dir->baud[dir->d_cur]) {
X case 300:
X tbuf.c_cflag |= B300;
X break;
X case 1200:
X tbuf.c_cflag |= B1200;
X break;
X case 2400:
X tbuf.c_cflag |= B2400;
X break;
X case 4800:
X tbuf.c_cflag |= B4800;
X break;
X case 9600:
X tbuf.c_cflag |= B9600;
X break;
X case 19200:
X#ifdef B19200
X tbuf.c_cflag |= B19200;
X#else /* B19200 */
X#ifdef EXTA
X tbuf.c_cflag |= EXTA;
X#endif /* EXTA */
X#endif /* B19200 */
X break;
X }
X /* the parity */
X switch (dir->parity[dir->d_cur]) {
X case 'N':
X break;
X case 'O':
X tbuf.c_cflag |= (PARENB|PARODD);
X break;
X case 'E':
X tbuf.c_cflag |= PARENB;
X break;
X }
X /* the data bits */
X if (dir->dbits[dir->d_cur] == 8)
X tbuf.c_cflag |= CS8;
X else
X tbuf.c_cflag |= CS7;
X /* the stop bits */
X if (dir->sbits[dir->d_cur] == 2)
X tbuf.c_cflag |= CSTOPB;
X
X /* now set 'em! */
X ioctl(fd, TCSETA, &tbuf);
X ioctl(fd, TCFLSH, 2);
X return;
X}
SHAR_EOF
if test 1944 -ne "`wc -c < 'line_set.c'`"
then
echo shar: "error transmitting 'line_set.c'" '(should have been 1944 characters)'
fi
fi
echo shar: "extracting 'list_dir.c'" '(1508 characters)'
if test -f 'list_dir.c'
then
echo shar: "will not over-write existing file 'list_dir.c'"
else
sed 's/^X//' << \SHAR_EOF > 'list_dir.c'
X/*
X * Do a shell escape with an "ls" command
X */
X
X#include <stdio.h>
X#include <curses.h>
X#include "config.h"
X#include "misc.h"
X
Xvoid
Xlist_dir()
X{
X extern int fd;
X WINDOW *ls_win, *newwin();
X FILE *pfp, *n_popen();
X int lines, oops;
X char *ans, *cwd, *getcwd(), buf[200], *get_str();
X
X ls_win = newwin(6, 70, 8, 5);
X
X cwd = getcwd(buf, 200);
X
X mvwprintw(ls_win, 2, 4, "Current directory: %s", cwd);
X mvwaddstr(ls_win, 3, 4, "File spec (wildcards allowed): ");
X box(ls_win, VERT, HORZ);
X
X mvwattrstr(ls_win, 0, 3, A_BOLD, " List Directory ");
X wmove(ls_win, 3, 35);
X wrefresh(ls_win);
X
X if ((ans = get_str(ls_win, 60, "", "")) == NULL) {
X if (fd == -1) {
X werase(ls_win);
X wrefresh(ls_win);
X }
X delwin(ls_win);
X return;
X }
X /* popen() an ls */
X sprintf(buf, "ls -aC %s", ans);
X pfp = n_popen(buf, "r");
X /* make a bigger window */
X werase(ls_win);
X wrefresh(ls_win);
X delwin(ls_win);
X ls_win = newwin(LINES-1, COLS, 0, 0);
X touchwin(ls_win);
X
X oops = 0;
X lines = 0;
X while (fgets(buf, BUFSIZ, pfp) != NULL) {
X waddstr(ls_win, buf);
X lines++;
X if (lines == LINES-2) {
X lines = 0;
X mvwaddstr(ls_win, LINES-2, 28, "Press any key for more");
X wrefresh(ls_win);
X if (wgetch(ls_win) == ESC) {
X oops++;
X break;
X }
X werase(ls_win);
X wrefresh(ls_win);
X }
X }
X n_pclose(pfp);
X
X if (!oops) {
X mvwaddstr(ls_win, LINES-2, 25, "Press any key to continue");
X wrefresh(ls_win);
X wgetch(ls_win);
X }
X if (fd == -1) {
X werase(ls_win);
X wrefresh(ls_win);
X }
X delwin(ls_win);
X return;
X}
SHAR_EOF
if test 1508 -ne "`wc -c < 'list_dir.c'`"
then
echo shar: "error transmitting 'list_dir.c'" '(should have been 1508 characters)'
fi
fi
echo shar: "extracting 'ls_menu.c'" '(4809 characters)'
if test -f 'ls_menu.c'
then
echo shar: "will not over-write existing file 'ls_menu.c'"
else
sed 's/^X//' << \SHAR_EOF > 'ls_menu.c'
X/*
X * Routines for displaying current line settings and prompting for changes.
X */
X
X#include <stdio.h>
X#include <curses.h>
X#include "config.h"
X#include "dial_dir.h"
X#include "misc.h"
X#include "param.h"
X
X/*
X * Display the current line settings and prompt for changes. A return
X * code of 1 means settings were changed.
X */
X
Xint
Xls_menu()
X{
X extern int fd;
X WINDOW *l_win, *newwin();
X int num, ret_code;
X void disp_settings();
X
X l_win = newwin(20, 47, 0, 16);
X
X mvwattrstr(l_win, 1, 16, A_BOLD, "Line Settings");
X horizontal(l_win, 2, 0, 47);
X mvwaddstr(l_win, 6, 5, "1) 300,E,7,1 7) 300,N,8,1");
X mvwaddstr(l_win, 7, 5, "2) 1200,E,7,1 8) 1200,N,8,1");
X mvwaddstr(l_win, 8, 5, "3) 2400,E,7,1 9) 2400,N,8,1");
X mvwaddstr(l_win, 9, 5, "4) 4800,E,7,1 10) 4800,N,8,1");
X mvwaddstr(l_win, 10, 5, "5) 9600,E,7,1 11) 9600,N,8,1");
X mvwaddstr(l_win, 11, 5, "6) 19200,E,7,1 12) 19200,N,8,1");
X mvwaddstr(l_win, 13, 4, "Parity Data Bits Stop Bits");
X mvwaddstr(l_win, 14, 4, "13) Odd 14) 7 bits 16) 1 bit");
X mvwaddstr(l_win, 15, 18, "15) 8 bits 17) 2 bits");
X mvwaddstr(l_win, 17, 4, "18) Save Changes");
X mvwattrstr(l_win, 17, 28, A_BOLD, "YOUR CHOICE:");
X wmove(l_win, 17, 41);
X box(l_win, VERT, HORZ);
X
X mvwaddstr(l_win, 19, 13, " Press <ESC> to return ");
X /* display current settings */
X disp_settings(l_win);
X wmove(l_win, 17, 41);
X wrefresh(l_win);
X /* get the options */
X ret_code = 0;
X while ((num = get_num(l_win, 2)) != -1) {
X switch (num) {
X case 1:
X dir->baud[dir->d_cur] = 300;
X dir->parity[dir->d_cur] = 'E';
X dir->dbits[dir->d_cur] = 7;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 2:
X dir->baud[dir->d_cur] = 1200;
X dir->parity[dir->d_cur] = 'E';
X dir->dbits[dir->d_cur] = 7;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 3:
X dir->baud[dir->d_cur] = 2400;
X dir->parity[dir->d_cur] = 'E';
X dir->dbits[dir->d_cur] = 7;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 4:
X dir->baud[dir->d_cur] = 4800;
X dir->parity[dir->d_cur] = 'E';
X dir->dbits[dir->d_cur] = 7;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 5:
X dir->baud[dir->d_cur] = 9600;
X dir->parity[dir->d_cur] = 'E';
X dir->dbits[dir->d_cur] = 7;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 6:
X dir->baud[dir->d_cur] = 19200;
X dir->parity[dir->d_cur] = 'E';
X dir->dbits[dir->d_cur] = 7;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 7:
X dir->baud[dir->d_cur] = 300;
X dir->parity[dir->d_cur] = 'N';
X dir->dbits[dir->d_cur] = 8;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 8:
X dir->baud[dir->d_cur] = 1200;
X dir->parity[dir->d_cur] = 'N';
X dir->dbits[dir->d_cur] = 8;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 9:
X dir->baud[dir->d_cur] = 2400;
X dir->parity[dir->d_cur] = 'N';
X dir->dbits[dir->d_cur] = 8;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 10:
X dir->baud[dir->d_cur] = 4800;
X dir->parity[dir->d_cur] = 'N';
X dir->dbits[dir->d_cur] = 8;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 11:
X dir->baud[dir->d_cur] = 9600;
X dir->parity[dir->d_cur] = 'N';
X dir->dbits[dir->d_cur] = 8;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 12:
X dir->baud[dir->d_cur] = 19200;
X dir->parity[dir->d_cur] = 'N';
X dir->dbits[dir->d_cur] = 8;
X dir->sbits[dir->d_cur] = 1;
X break;
X case 13:
X dir->parity[dir->d_cur] = 'O';
X break;
X case 14:
X dir->dbits[dir->d_cur] = 7;
X break;
X case 15:
X dir->dbits[dir->d_cur] = 8;
X break;
X case 16:
X dir->sbits[dir->d_cur] = 1;
X break;
X case 17:
X dir->sbits[dir->d_cur] = 2;
X break;
X case 18:
X /* copy the current settings */
X param->d_baud = dir->baud[dir->d_cur];
X param->d_parity = dir->parity[dir->d_cur];
X param->d_dbits = dir->dbits[dir->d_cur];
X param->d_sbits = dir->sbits[dir->d_cur];
X /*
X * We've changed the values in memory even
X * if the update fails.
X */
X if (up_param()) {
X touchwin(l_win);
X wrefresh(l_win);
X }
X break;
X default:
X beep();
X }
X ret_code++;
X disp_settings(l_win);
X mvwaddstr(l_win, 17, 41, " ");
X wmove(l_win, 17, 41);
X wrefresh(l_win);
X }
X if (fd == -1) {
X werase(l_win);
X wrefresh(l_win);
X }
X delwin(l_win);
X return(ret_code);
X}
X
X/*
X * Display the current settings. Formats the entire string at one
X * time, in case you've got a magic cookie terminal.
X */
X
Xstatic void
Xdisp_settings(win)
XWINDOW *win;
X{
X extern int xmc;
X char buf[40];
X
X sprintf(buf, "Current Settings: %5d,%c,%d,%d", dir->baud[dir->d_cur],
X dir->parity[dir->d_cur], dir->dbits[dir->d_cur],
X dir->sbits[dir->d_cur]);
X
X if (xmc > 0) {
X touchwin(win);
X clear_line(win, 4, 8, 1);
X wrefresh(win);
X }
X mvwattrstr(win, 4, 8, A_BOLD, buf);
X return;
X}
SHAR_EOF
if test 4809 -ne "`wc -c < 'ls_menu.c'`"
then
echo shar: "error transmitting 'ls_menu.c'" '(should have been 4809 characters)'
fi
fi
exit 0
# End of shell archive
--
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