From bd22e529919837eea47ead9163eac2b253a668d5 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sat, 2 Nov 2013 10:02:31 +0100 Subject: add login libexec MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/got-diminished-login.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 src/got-diminished-login.c (limited to 'src') diff --git a/src/got-diminished-login.c b/src/got-diminished-login.c new file mode 100644 index 0000000..52eecd5 --- /dev/null +++ b/src/got-diminished-login.c @@ -0,0 +1,62 @@ +/** + * got-diminished – Extension for gates-of-tartaros to minimise memory usage after loggin 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 . + */ +#include +#include +#include +#include + + +int main(int argc, char** argv) +{ + pid_t pid = vfork(); + if (pid == -1) + { + perror("fork"); + 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; +} + -- cgit v1.2.3-70-g09d2