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/**
* got-diminished – Extension for gates-of-tartaros to minimise memory usage after logging in
*
* Copyright © 2013 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sys/wait.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
int main(int argc, char** argv)
{
pid_t pid = vfork();
if (pid == -1)
{
perror("vfork");
return 1;
}
if (pid)
{
waitpid(pid, &pid, 0);
{
int n = 0, i;
char* stty = *(argv + 2);
char* stty_cmd;
while (*(stty + n++))
;
stty_cmd = malloc(5 + n);
for (i = 0; i < 5; i++)
*(stty_cmd + i) = *("stty " + i);
stty_cmd += 5;
for (i = 0; i < n; i++)
*(stty_cmd + i) = *(stty + i);
stty_cmd -= 5;
system(stty_cmd);
free(stty_cmd);
}
}
else
execlp("setsid", "setsid", "-c", "login", "--", *(argv + 1), NULL);
return 0;
}
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