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/*
** zmodem.c for zssh
**
** Made by Matthieu Lucotte
** Login <gounter@users.sourceforge.net>
**
** Started on Thu Jun 29 19:11:24 2000 Matthieu Lucotte
** Last update Mon Sep 1 23:02:15 2003
*/
#include "zssh.h"
#include <readline/readline.h>
#include <readline/history.h>
/* prompt one line of input using readline */
char *zprompt()
{
static char *prompt = 0;
char *tmp;
char *line;
if (!prompt)
{
prompt = "zssh > ";
if ((tmp = getenv("HOSTNAME")))
{
tmp = str_cat("zssh@", tmp);
prompt = str_cat(tmp, " > ");
free(tmp);
}
}
tcdrain(1);
tcdrain(0);
line = readline(prompt);
if (!line)
line = strdup("exit\n");
else
if (line[0]) /* line != "" */
add_history(line);
#ifdef DEBUG
printf("read: >%s<\n",line);
#endif
return (line);
}
/* parse a line applying some shell expansions */
int zparse(str,av,ac)
char **str;
char ***av;
int *ac;
{
if (pc_test_escapes(*str) < 0)
return (-1);
if (pc_tilde_expansion(str) < 0)
return (-1);
pc_split_words(*str, ac, av);
if (*ac == 1)
return (-1);
pc_quote_removal(*av, ac);
glob_args(ac, av);
#ifdef DEBUG
{
int i;
for (i = 0; (*av)[i]; i++)
printf("arg %i >%s<\n", i, (*av)[i]);
}
#endif
return (0);
}
int zrun(char **av)
{
int i,j;
gl_repeat = 0;
j = 1;
do
{
i = zaction(av, gl_master, gl_slave);
if (i >= 100)
break;
if (gl_repeat && j)
{
free(av[0]);
av++;
}
j = 0;
}
while (gl_repeat);
return (i);
}
t_act_tab cmdtab[] =
{
{"?", C_HELP, zact_help},
{"cd", C_CD, zact_cd},
{"disconnect", C_DISCONNECT, zact_disconnect},
{"escape", C_ESCAPE, zact_escape},
{"exit", C_EXIT, zact_exit},
{"help", C_HELP, zact_help},
{"hook", C_HOOK, zact_hook},
{"quit", C_EXIT, zact_exit},
{"repeat", C_REPEAT, zact_repeat},
{"rz", C_RZ, zact_hook_sub},
{"suspend", C_SUSPEND, zact_suspend},
{"sz", C_SZ, zact_hook_sub},
{"version", C_VERSION, zact_version},
{0, C_SHELL, zact_shell}
};
int zaction(av,master,slave)
char **av;
int master;
int slave;
{
t_act_tab *pt;
char c = 24; /* "^X" */
int i = 1;
for (pt = cmdtab; pt->name && strcmp(pt->name, av[0]); pt++)
;
gl_child_rz = 0;
pt->f(av,master);
while (gl_child_rz)
sigsuspend(&gl_sig_mask);
gl_child_rz = 0;
if (gl_interrupt)
{
printf("\nInterrupted !\n");
gl_interrupt = 0;
tcflush(master, TCIOFLUSH);
tcflush(slave, TCIOFLUSH);
for (i = 0;i < 99;i++)
{
write(master, &c, 1);
tcdrain(master);
}
flush(master);
flush(slave);
flush(master);
}
/* tcflush(gl_slave, TCIOFLUSH); */
/* tcflush(gl_master, TCIOFLUSH); */
/* kill(gl_child_output, SIGCONT); */
tcsetattr(gl_slave, TCSANOW, &gl_tt2);
tcsetattr(0, TCSANOW, &gl_tt);
/* tcsetattr(gl_slave, TCSAFLUSH, &gl_tt2); */
/* tcsetattr(0, TCSAFLUSH, &gl_tt); */
return (pt->n);
}
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