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/*
** doit.c for zssh
**
** Made by Matthieu Lucotte
** Login <gounter@users.sourceforge.net>
**
** Started on Thu Jun 29 19:09:23 2000 Matthieu Lucotte
** Last update Tue Oct 2 22:00:18 2001 Matthieu Lucotte
*/
#include "zssh.h"
/* copy input to the pty, test for escape key and
* switch to local shell mode if it found
*/
void doinput()
{
int cc;
unsigned char ibuf[BUFSIZ];
signal(SIGINT, sigint_handler);
signal(SIGWINCH, sigwinch_handler);
while (1)
{
read_input(&cc, ibuf);
if (escape_input(&cc, ibuf))
rz_mode();
else
write(gl_master, ibuf, cc);
}
error("Should not be reached",""); /* not reached */
}
/* copy output from the pty */
void dooutput()
{
int cc;
char obuf[BUFSIZ];
#ifdef DEBUG
printf("child_output: %i\n", (int) getpid());
#endif
signal(SIGTSTP, SIG_IGN);
signal(SIGINT, SIG_IGN);
close(0);
close(gl_slave);
while (1)
{
cc = read(gl_master,obuf,sizeof(obuf));
if (cc <= 0)
continue;
write(1,obuf,cc);
}
error("Should not be reached",""); /* not reached */
}
/* Launch the remote shell.
* shav defaults to [ "ssh" "-e" "none" ] (zssh)
* or [ "telnet" "-8" "-E" ] (ztelnet)
*/
void doshell(ac,av,shav)
int ac;
char **av;
char **shav;
{
char **argv;
int i,j;
#ifdef DEBUG
printf("child_shell: %i\n", (int) getpid());
#endif
initslave();
printf("\n");
for (i = 0; shav[i]; i++)
;
i += ac + 1;
argv = smalloc(i * sizeof(char *));
for (i = 0; shav[i]; i++)
argv[i] = shav[i];
for (j = 1; j < ac; j++)
argv[i++] = av[j];
argv[i] = 0;
#ifdef DEBUG
printf("launching shell: ");
for (i = 0; argv[i]; i++)
printf("[%s] ", argv[i]);
printf("\n");
#endif
execvp(shav[0],argv);
error("execvp %s\n",shav[0]);
fail();
}
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